JPH1061626A - Fixing member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To quickly and easily perform fixing work for materials to be fixed to each other without work of forming inserting holes in the materials to be fixed and welding nuts therein or forming lower holes in the materials or providing taps in the lower holes. SOLUTION: A fixing member A1 includes a screw member 1 having a head part 7 in the end part of a screw part 3, a nut member 4 engaged with the screw part 3 of the screw member 1 and screw-fed by the rotation of the screw member 1, the nut member 4 being prevented from being rotated, a caulking member 2 fitted on the screw member 1 and caulked by the screw-feeding of the nut member 4 for fixing two layer plate members B and C with the head part 7 of the screw member 1, a driving-in tip member 5 positioned in the tip part of the screw member 1 for penetrating the plate members B and C at the time of driving-in, and a sliding member 6 provided in the outer peripheral part of the caulking member 2 to be moved in the axial direction of the caulking member 2 for pressing a caulking part 11 to prevent its opening.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the fixing of a lightweight structural material made of metal such as steel and a building material requiring a bearing, and the fixing of a lightweight structural material requiring a torque. The present invention relates to a fastening member used for fixing, such as a driving nut / bolt.

[0002]

2. Description of the Related Art Generally, in order to integrally fasten (fix) a plurality of plate-shaped fastening members, which are lightweight structural members made of metal such as steel and lightweight structural members such as building materials, in a state where a plurality of such members are stacked. By forming an insertion hole in the material to be fastened with a drill etc., welding a nut to the innermost material to be fastened, inserting a bolt into the insertion hole, screwing this bolt to the nut and tightening the bolt Was being done.

When the nut cannot be welded to the material to be fastened, insertion holes are formed in the material to be fastened by a drill or the like, bolts are inserted into these insertion holes, and the nut is screwed into the bolt. Or by inserting a rivet into the insertion hole and caulking this rivet, or by tightening multiple pieces of material to be welded together by baking plug welding. A pilot hole is formed in the material with a drill or the like, a tap is made in the hole, a screw member is screwed into the tap, and a plurality of materials to be fastened are integrally fastened.

[0004]

However, according to the above-mentioned conventional method of fastening the members to be fastened, an insertion hole is formed in the member to be fastened, and the operation of welding the nut and the lowering of the member to be fastened are performed. There is a problem that an operation of forming a hole and tapping the prepared hole or the like is required, so that the operation of fastening the materials to be fastened cannot be performed quickly and easily.

The present invention has been made in view of the above-mentioned problems, and an object thereof is to form an insertion hole in a material to be fastened and weld a nut, Provided is a fastening member in which a pilot hole is formed in a material, and an operation of tapping the pilot hole can be eliminated, and the work of fastening the members to be fastened can be performed quickly and easily. It is in.

[0006]

According to a first aspect of the present invention, there is provided a fastening member comprising: a screw member having a head at an end of a screw portion; A nut member which is screwed to the portion and is screwed to prevent rotation, and which is screw-fed by rotation of the screw member; and a nut member which is fitted on the screw member and caulked by screw-feeding of the nut member and is superposed in a plurality. A caulking member for fastening the fastening material together with the head of the screw member, a driving member positioned at the tip end of the screw member and penetrating a plurality of materials to be fastened at the time of driving; A slide member is provided on the outer peripheral portion of the caulking member so as to be movable in the axial direction of the caulking member and presses the caulking portion so as not to open.

With this configuration, the fastening member is mounted on an air driving machine or the like, and the fastening member is driven into a plurality of stacked workpieces. By the driving of the fastening member, the driven member penetrates the material to be fastened, and the caulking member protrudes outward from the material to be fastened. In the process of driving the fastening member, the slide member pressing the caulking member so as not to open the caulking portion moves against the material to be fastened, and the head of the material to be fastened and the head of the screw member are moved. It acts as a washer between the clubs.

Next, when the screw member is rotated with a rotary tool such as a torque wrench instead of the air driving machine, the nut member is fed and moved toward the head of the screw member. By the screw feed of the nut member, the caulking member receives a force along the axial direction, and the caulked portion is caulked, and the material to be fastened is sandwiched between the caulked portion, the head of the screw member, and the slide member. The fastening materials are fastened together.

As described above, the fastening member of the present invention can be mounted on an air driving machine or the like, and can be driven into a plurality of stacked workpieces. After the driving, the fastening member is simply rotated by rotating the screw member. Fastening members can be fastened to each other.

For this purpose, an insertion hole is formed in the material to be fastened,
It is possible to eliminate the work of welding nuts and the work of forming a pilot hole in the material to be fastened and tapping this hole, making the work of fastening the materials to be fastened easily and easily. Can do it.

In order to achieve the above object, a fastening member according to a second aspect of the present invention is the fastening member according to the first aspect, wherein the caulking member is provided at an intermediate portion of a tubular member main body. A plurality of split grooves along the longitudinal direction were formed at predetermined intervals in the circumferential direction, a band-shaped caulked portion was formed between the split grooves, and hollow cylindrical portions were formed on both sides of the swaged portion. .

With this configuration, not only can the same effect as the above-described invention of claim 1 be achieved, but also the caulking member receives a compressive force along the axial direction by the screw feed of the nut member, and the caulking portion of Is crimped at its intermediate portion so as to bend into a U-shape in a side view. Then, at the final stage where the caulked portion is caulked, the caulked portion becomes plate-shaped and comes into contact with the material to be fastened. For this reason, the fastening of the material to be fastened can be strengthened.

According to a third aspect of the present invention, there is provided a fastening member according to the third aspect of the present invention, wherein the caulking member is moved from an end of a tubular member main body. A plurality of split grooves along the longitudinal direction are formed at predetermined intervals in the circumferential direction over the intermediate portion, a cantilevered caulked portion is formed between the split grooves, and a hollow cylindrical portion is formed on the tip side of the swaged portion. Was configured.

With this configuration, not only can the same effect as the above-described invention of claim 1 be obtained, but also the swaging member receives a pressing force along the axial direction by the screw feed of the nut member, and the swaging portion of the swaging member receives the pressing force. Is bent open at the base and crimped. Then, at the final time when the caulked portion is caulked, the caulked portion comes into contact with the material to be fastened. For this reason, the material to be fastened can be easily tightened.

Further, in order to achieve the above object, a fastening member according to a fourth aspect of the present invention provides a fastening member according to the first or second aspect.
4. The fastening member according to claim 3, wherein the driving destination member is connected to a straight cylindrical portion to form a sharp portion, and a screw hole into which a screw portion of the screw member is screwed is provided on an end surface of the straight cylindrical portion. did.

With this configuration, not only can the same operation as the above-described invention of claim 1 be achieved, but also, when the fastening member is driven, the sharp portion of the driven member penetrates a plurality of workpieces. Since the caulking member projects outward from the material to be fastened, the fastening member can be reliably and easily driven.

Further, in order to achieve the above object, the fastening member according to the invention of claim 5 is provided with a fastening member according to claim 1 or 2.
4. The screw according to claim 3, wherein the driving member has a cutting blade formed at a front end of a cylindrical member main body, and a screw portion of the screw member is screwed to an end surface of the member main body. 5. It was configured with holes.

With this configuration, not only can the same operation as the above-described invention of claim 1 be achieved, but also the cutting blade portion of the driving member can cut through the plurality of materials to be fastened by driving the fastening member. As a result, the caulking member protrudes outward from the material to be fastened, and the driving of the fastening member is reliably and easily performed.

In order to achieve the above object, a fastening member according to a sixth aspect of the present invention is the fastening member according to the fifth aspect, wherein the nut member and the driving destination member are integrated.

With this configuration, not only can the same effect as the above-described invention of claim 1 be achieved, but also the number of parts can be reduced by integrating the nut member and the driving destination member, and the manufacturing cost can be reduced. Can be reduced.

In order to achieve the above object, a fastening member according to a seventh aspect of the present invention is the fastening member according to the fourth or fifth aspect, wherein a hook portion for the nut member is provided.
The hook member is provided with a hook for hooking, the hook hook is hooked on the hook portion, and the hook member is detachably attached to the nut member.

With this configuration, not only can the same operation as the above-described invention of claim 1 be achieved, but also the driving member can be driven after being driven into a plurality of materials to be fastened.
The hooking hook comes off the hooking portion and falls off the nut member. For this reason, the fastening member after fastening does not have a driving destination member, and the appearance is good.

In order to achieve the above object, a fastening member according to the invention of claim 8 is provided in claim 1 or claim 2 or claim 3 or claim 4 or claim 5 or claim 6 or claim 6. 7. The fastening member according to claim 7, wherein the head of the screw member includes:
An engaging portion is provided in which a rotating portion of the rotating tool is removably engaged.

With this configuration, not only can the same operation as the above-described invention of claim 1 be achieved, but also the rotating part of the rotary tool can be engaged with the engaging part of the head of the screw member. The transmission of the torque of the rotating portion to the screw member is ensured, and the efficiency of the fixing operation can be increased.

[0025]

Embodiments of the present invention will be described below with reference to the drawings.

Embodiment 1 FIGS. 1 to 3 show a fastening member according to Embodiment 1 of the present invention. FIG. 1 (1) is a perspective view of a fastening member according to Embodiment 1 of the present invention, and FIG.
FIG. 1 (3) is a perspective view of a fastening member in which an engaging portion of a head of the screw member is a hexagonal recess, and FIG. 2 (1) is a perspective view of the present invention. FIG. 2B is a longitudinal sectional view of the fastening member according to the first embodiment, and FIG. 3 is a longitudinal sectional view of the fastening member. FIG. It is explanatory drawing of a wearing state.

The fastening member A1 according to the first embodiment of the present invention is screwed to a screw member 1, a caulking member 2 fitted to the screw body 1, and a screw portion 3 of the screw member 1. A nut member 4, a driving member 5 located at the tip of the screw member 1, and a slide member 6 provided on the outer peripheral portion of the caulking member 2 so as to be movable in the axial direction of the caulking member 2. It is.

The screw member 1 has a bolt shape.
It has a head 7 and a screw portion 3. An engaging portion 8 with which a rotating portion (not shown) of the rotary tool is removably engaged is formed on an end surface portion 7A of the head 7.

The caulking member 2 is provided with a tubular member body 9, and in the middle part of the member body 9, four split grooves 10 are formed along the longitudinal direction at predetermined intervals in the circumferential direction. A band-shaped caulked portion 11 is formed between the split grooves 10, and the hollow cylindrical portion 1 is provided on both sides of the caulked portion 11.
2, 13 are formed. A reinforcing rib 14 is formed on the caulking portion 11 from the middle portion to the front side.

The outer periphery of the nut member 4 is formed in a circular shape, and the outer diameter thereof is substantially equal to the outer diameter of the hollow cylindrical portion 13 of the caulking member 2.

The driving member 5 is made of metal and has a conical sharp part 16 connected to the straight cylindrical part 15. A screw hole 17 is provided in the end face of the straight cylindrical part 15. It is.

The slide member 6 is disk-shaped and has a circular hole 18 at the center thereof.
Has a size that allows the caulking member 2 to pass therethrough. The slide member 6 has anti-slip irregularities (jagged).
(Not shown).

The caulking member 2 is fitted to the screw portion 3 of the screw member 1, and the slide member 6 is fitted in the caulking member 2 by inserting a circular hole 18 into the caulking member 2 in the axial direction. It is provided movably. A nut member 4 is screwed into the tip of the screw portion 3 of the screw member 1, and one end of the nut member 4 contacts the end of the hollow cylindrical portion 13 of the caulking member 2 to rotate. It is stopped. Also,
At the tip of the screw member 1, the tip of the screw portion 3 is inserted into a screw hole 17.
And a driving member 5 is attached.

Next, the fastening member A constructed as described above is used.
The fastening of the plate materials B and C, which are materials to be fastened, such as lightweight structural materials, will be described with reference to FIG.

The fastening member A is driven by an air driving machine (not shown)
, And the fastening member A is driven into the plate materials B and C in which two sheets are stacked. By the driving of the fastening member A, the sharp portion 16 of the driving destination member 5 penetrates the plate materials B and C, and the caulking member 2 projects outside the plate material C. In the process in which the fastening member A is driven, the caulking member 2
The slide member 6, which is pressed so as not to open, comes into contact with the plate member B and moves, and the plate member B and the head 7 of the screw member 1 are moved.
Between them and acts as a washer.

Next, instead of an air driving machine, a rotating part (not shown) of a rotary tool such as a torque wrench is removably engaged with the engaging part 8 of the head of the screw member 1 and tightened. When the screw member 1 of the member A is rotated, the nut member abuts on the end of the hollow cylindrical portion 13 of the caulking member 2 and is in a frictional engagement state with the caulking member 2 as shown in FIG. 4 is screwed and moved to the head 7 side of the screw member 1.

By the screw feed of the nut member 4, the caulking member 2 receives a compressive force along the axial direction, and the caulking portion 11 is caulked at an intermediate portion thereof so as to be bent into a V-shape in a side view. Then, at the final stage where the caulked portion 11 is caulked, the end of the caulked portion 11 abuts on the surface of the plate material C as shown in FIG.
1 and the plate members B and C are fastened by being sandwiched between the head member 7 of the screw member 1 and the slide member 6.

The fastening member A1 has a cross-shaped groove 8A as shown in (1) and (2) of FIG. 1, and the fastening member A1 has a cross-shaped groove 8A as shown in (3) of FIG. And the engaging portion 8 is a hexagonal concave portion 8B.

The nut member 4 is brought into frictional engagement with the caulking member 2 by bringing the end of the hollow cylindrical portion 13 of the caulking member 2 into contact with the nut member 4. A concave portion may be provided at the end of the nut member, and the protrusion may be detachably engaged with the concave portion to prevent the nut member 4 from rotating together when the screw member 1 is rotated.

According to the first embodiment described above, the fastening member A1 can be mounted on an air driving machine or the like and driven into two superposed plates B and C. The plate members B and C can be fastened to each other only by rotating the.

For this reason, it is possible not only to eliminate the work of forming an insertion hole in the plate material and welding the nut, and the work of forming a prepared hole in the material to be fastened and tapping the prepared hole. The work of fastening the plate materials B and C can be performed quickly and easily.

Further, as described above, the screwing of the nut member 4 causes the caulking member 2 to receive a compressive force along the axial direction, so that the caulking portion 11 is bent at an intermediate portion thereof into a V-shape in a side view. And crimped. When the caulked portion 11 is finally caulked, the caulked portion 11 is formed into a plate shape and abuts on the plate material C. For this purpose, plate materials B and C
Can be tightened firmly.

Further, by driving the fastening member A1, the sharp portion 7 of the driving destination member 6 penetrates the plates B and C, and the caulking member 2 projects outward of the plates B and C. B and C are reliably and easily driven.

Second Embodiment FIGS. 4 to 6 show a fastening member according to a second embodiment of the present invention. FIG. 4A is a perspective view of a fastening member according to Embodiment 2 of the present invention, and FIG. 4B is a perspective view of the fastening member after being driven by the fastening member.
FIG. 4 (3) is a perspective view of a fastening member in which an engagement portion of a head of the screw member is a hexagonal concave portion, and FIG. 5 (1) is a perspective view of the present invention. FIG. 5 (2) is a longitudinal sectional view of the fastening member according to the second embodiment, and FIG. 6 is a view illustrating the fastening of two plate members which are members to be fastened by the fastening member. It is explanatory drawing of a wearing state.

The fastening member A2 according to the second embodiment of the present invention is different from the above-described fastening member A1 according to the first embodiment of the present invention in that it is a member to which the fastening member A1 is driven. Is the same as the fastening member A1 according to the first embodiment, the same components as those of the fastening member A1 are denoted by the same reference numerals, and description thereof is omitted.

The driving member 19 of the fastening member A2 according to the second embodiment of the present invention has a cylindrical member body 2
An annular cutting blade 21 is formed at the tip of the member main body 20, and a screw hole 22 is provided at an end face of the member main body 20.

The caulking member 2 is fitted to the screw portion 3 of the screw member 1. The caulking member 2 is fitted with a circular hole 18 in the caulking member 2 so that the slide member 6 extends in the axial direction. It is provided movably. A nut member 4 is screwed into a tip of the screw portion 3 of the screw member 1, and one end of the nut member 4 is in contact with an end of the hollow cylindrical portion 13 of the caulking member 12. . At the tip of the screw member 1, a driving tip member 19 is attached by screwing the tip of the screw portion 3 into the screw hole 22.

Next, the fastening member A constructed as described above is used.
The fastening of the plate materials B and C, which are materials to be fastened, such as a lightweight structural material, will be described with reference to FIG.

The fastening member A2 is mounted on an air driving machine (not shown), and the fastening member A2 is driven into two stacked plates B and C. By the driving of the fastening member A2, the cutting blade portion 20 penetrates while cutting the plate materials B and C, and the caulking member 2 projects outside the plate material C. In the process of driving the fastening member A2, the slide member 6 pressing the caulking member 11 so that the caulking portion 11 does not open comes into contact with the plate material B and moves, and the plate material B and the screw member 1 are moved. Between the head 7 and serves as a washer.

Next, instead of an air driving machine, a rotating part (not shown) of a rotary tool such as a torque wrench is removably engaged with the engaging part 8 of the head of the screw member 1 and tightened. When the screw member 1 of the member A2 is rotated, the nut member 4 which comes into contact with the end surface of the hollow cylindrical portion 13 of the caulking member 2 and is frictionally engaged with the caulking member 2 is screw-fed, and the head of the screw member 1 is moved. Move to the part 7 side.

By the screw feed of the nut member 4, the caulking member 2 receives a compressive force along the axial direction, and the caulking portion 11 is caulked so as to be bent into a V-shape in a middle portion thereof in a side view. Then, at the final stage where the caulked portion 11 is caulked, the end of the caulked portion 11 abuts on the surface of the plate material C as shown in FIG.
1 and the plate members B and C are fastened by being sandwiched between the head member 7 of the screw member 1 and the slide member 6.

As the fastening member A2, the engaging portion 8 is a cross-shaped groove 8A as shown in FIGS. 4A and 4B, and the fastening member A2 is as shown in FIG. And the engaging portion 8 is a hexagonal concave portion 8B.

The nut member 4 is brought into frictional engagement with the caulking member 2 by bringing the end of the hollow cylindrical portion 13 of the caulking member 2 into contact with the caulking member 2. A concave portion may be provided at the end of the nut member, and the protrusion may be detachably engaged with the concave portion to prevent the nut member 4 from rotating together when the screw member 1 is rotated.

According to the second embodiment described above, the fastening member A2 can be mounted on an air driving machine or the like and driven into two superposed plates B and C. The plate members B and C can be fastened to each other only by rotating the.

For this reason, it is possible not only to eliminate the work of forming an insertion hole in the plate material and welding the nut, and the work of forming a prepared hole in the material to be fastened and tapping the prepared hole. The work of fastening the plate materials B and C can be performed quickly and easily.

Further, by the driving of the fastening member A2, the plate member B in which the cutting blade portions 21 of the driving destination member 19 are overlapped with each other,
C is cut and penetrated, and the caulking member 2 projects outward of the plate material C, and the driving of the plate materials B and C is reliably and easily performed.

Third Embodiment FIGS. 7 to 9 show a fastening member according to a third embodiment of the present invention. (1) of FIG. 7 is a perspective view of a fastening member according to Embodiment 3 of the present invention, and (2) of FIG.
7 (3) is a perspective view of a fastening member having a hexagonal concave portion at the head of the screw member, and FIG. 8 (1) is a perspective view of the present invention. FIG. 8 (2) is a longitudinal sectional view of the fastening member according to the second embodiment, FIG. 9 is a longitudinal sectional view of the fastening member, and FIG. It is explanatory drawing of a wearing state.

The fastening member A3 according to the third embodiment of the present invention is different from the fastening member A1 according to the first embodiment in a nut member and a driving member.
Other configurations are the same as those of the fastening member A1 according to the first embodiment. Therefore, the same components as those of the fastening member A1 are denoted by the same reference numerals, and description thereof is omitted.

The nut member of the fastening member A3 according to the third embodiment of the present invention is integral with the member to be driven, and is mainly composed of the nut member 23.
Is formed with a cutting blade 24 as a driving tip.

The caulking member 2 is fitted on the screw portion 3 of the screw member 1, and the slide member 6 is fitted in the caulking member 2 by inserting a circular hole 18 in the caulking member 2 in the axial direction. It is provided movably. A nut member 23 is screwed into the tip of the screw portion 3 of the screw member 1.

Next, the fastening member A constructed as described above is used.
The fastening of the plate materials B and C, which are materials to be fastened, such as lightweight structural materials, will be described with reference to FIG.

The fastening member A3 is mounted on an air driving machine (not shown), and the fastening member A3 is driven into two stacked plates B and C. By the driving of the fastening member A3, the cutting blade portion 24 as a driving point penetrates through the tip of the nut member 23 while cutting the plate materials B and C, and the caulking member 2 projects outward of the plate material C. . In the process of driving the fastening member A3, the caulking member 2
The slide member 6 which holds down the plate member 1 so as not to open is
And the plate member B and the head 7 of the screw member 1 move.
Between them and acts as a washer.

Next, instead of an air driving machine, a rotating part (not shown) of a rotary tool such as a torque wrench is removably engaged with the engaging part 8 of the head of the screw member 1 and tightened. When the screw member 1 of the member A3 is rotated, the nut member 23 which comes into contact with the end of the hollow cylindrical portion 13 of the caulking member 2 and is in frictional engagement with the caulking member 2 is fed, and the screw member 1 is screwed.
To the side of the head 7.

By the screw feed of the nut member 23, the caulking member 2 receives a compressive force along the axial direction, and the caulking portion 11 is caulked at an intermediate portion thereof so as to be bent into a V-shape in a side view. Then, at the final stage where the caulked portion 11 is caulked, the end of the caulked portion 11 is
, The plate members B and C are sandwiched between the caulking portion 11 and the head 7 and the slide member 6 of the joint member 1, and the plate members B and C are fastened to each other.

The fastening member A3 has a cross-shaped groove 8A as shown in FIGS. 7 (1) and (2), and the fastening member A3 has a cross-shaped groove 8A as shown in FIG. 7 (3). And the engaging portion 8 is a hexagonal concave portion 8B.

The nut member 23 is fixed to the caulking member 2.
The end of the hollow cylindrical portion 13 is brought into contact with the caulking member 2 by friction, but a projection is provided on the nut member 23, and a concave portion is provided on the end of the hollow cylindrical portion 13. And the nut member 23 may be prevented from rotating together when the screw member 1 is rotated.

According to the third embodiment described above, the fastening member A3 can be mounted on an air driving machine or the like and driven into the two stacked plates B and C. The plate members B and C can be fastened to each other only by rotating the.

For this reason, it is possible not only to eliminate the work of forming an insertion hole in the plate material and welding the nut, and the work of forming a prepared hole in the material to be fastened and tapping the prepared hole. The work of fastening the plate materials B and C can be performed quickly and easily.

Since the nut member 23 is integrated with the driving member, the number of parts can be reduced, and the production cost can be reduced.

(Embodiment 4) FIGS. 10 to 12 show a fastening member according to Embodiment 4 of the present invention. FIG.
(1) is a perspective view of a fastening member according to Embodiment 4 of the present invention, and (2) of FIG. 10 is a perspective view of a state in which the screw member is rotated after driving in the fastening member. (3) is a perspective view of a fastening member in which an engagement portion of a head of a screw member is a hexagonal concave portion, and (1) of FIG. 11 is a front view of the fastening member according to Embodiment 4 of the present invention. FIG. 11 (2) is a longitudinal sectional view of the fastening member, and FIG. 11 (1) is an explanatory view of a state where the fastening member is driven into two plate members to be fastened.
FIG. 1 (2) is an explanatory view of a fastening state of two plate members which are members to be fastened by the fastening member.

The fastening member A4 according to the fourth embodiment of the present invention is different from the fastening member A1 according to the first embodiment described above in that the caulking member and the nut member are different. Since the fastening member A1 is the same as the fastening member A1 according to the first embodiment, the same components as those of the fastening member A1 are denoted by the same reference numerals, and description thereof will be omitted.

The caulking member 25 of the fastening member A4 according to the fourth embodiment of the present invention has a tubular main body 26, and a vertical split from the end 26a to the middle of the main body 26. Four grooves 27 are formed at predetermined intervals in the circumferential direction, and a cantilevered caulking portion 28 is formed between the split grooves 27. The caulking member 25 includes a caulking portion 28 and a hollow cylindrical portion 28a. It consists of: An inclined guide surface portion 29 is formed inside the front side of the caulking portion 28.

The outer periphery of the nut member 30 is formed in a circular shape, and a guide surface portion 31 inclined at one end thereof is formed on the outer periphery, and a projection 31A is formed on the guide surface portion 31. It is provided.

A caulking member 25 is fitted on the screw portion 3 of the screw member 1, and the slide member 6 is fitted in the caulking member 25 by fitting the circular hole 18 into the caulking member 25 in the axial direction. It is provided movably. A nut member 30 is screwed into the tip of the screw portion 3 of the screw member 1. The guide surface portion 31 of the nut member 30 is a guide surface portion 29 inside the tip side of the caulking portion 28 of the caulking member 25. , And the protrusion 31 </ b> A of the nut member 30 is inserted into the split groove 27 between the swaged portions 28. At the tip of the screw member 1, the driving member 5 is attached by screwing the tip of the screw portion 3 into the screw hole 17.

Next, the fastening member A constructed as described above is used.
The fastening of the plate members B and C, which are members to be fastened, such as lightweight structural members, will be described with reference to FIG.

The fastening member A4 is mounted on an air driving machine (not shown), and the fastening member A4 is driven into two stacked plates B and C. By the driving of the fastening member A2, the sharp portion 16 of the driving destination member 5 penetrates the plate materials B and C, and the caulking member 25 projects outside the plate material C. In the process of driving the fastening member A4, the caulking member 25
The slide member 6, which holds the caulking portion 26 so as not to open, comes into contact with the plate material B and moves, and is sandwiched between the plate material B and the head 7 of the screw member 1 to serve as a washer. I do.

Next, when the screw member 1 of the fastening member A4 is rotated with a rotary tool such as a torque wrench instead of an air driving machine, the projection 31A of the nut member 30 is inserted into the split groove 27 between the caulked portions 28. The nut member 30 engaged with the caulking member 25 is screwed and moved to the head 7 side of the screw member 1.

By the screw feed of the nut member 30, the caulking member 25 receives a pressing force along the axial direction, and the caulking portion 28 is bent and opened at its base to caulk. Then, at the final stage where the caulked portion 28 is caulked, the caulked portion 28 comes into contact with the surface of the plate material C, and the plate materials B and C
The plate members B and C are fastened to each other by being sandwiched between the caulking portion 28, the head 7 of the screw member 1, and the slide member 6.

The fastening member A4 has a cross-shaped groove 8A as shown in (1) and (2) of FIG. 10, and a fastening member A4 as shown in (3) of FIG. And the engaging portion 8 is a hexagonal concave portion 8B.

According to the fourth embodiment described above, the fastening member A4 can be mounted on an air driving machine or the like and driven into the two superposed plate members B and C. The plate members B and C can be fastened to each other only by rotating the.

For this reason, it is possible not only to eliminate the work of forming an insertion hole in the plate material and welding the nut, and the work of forming a prepared hole in the material to be fastened and tapping the prepared hole. The work of fastening the plate materials B and C can be performed quickly and easily.

(Fifth Embodiment) FIGS. 13 to 15 show a fastening member according to a fifth embodiment of the present invention. FIG.
(1) is a perspective view of a fastening member according to Embodiment 5 of the present invention, (2) of FIG. 13 is a perspective view of the fastening member after driving, and (3) of FIG. FIG. 14 is a perspective view of a state where two screw members are fastened by rotating a screw member after driving of the fastening member, and FIG. 14 is a longitudinal sectional view of a fastening member according to Embodiment 5 of the present invention. FIG. 15 (1) is an explanatory view showing a state in which the fastening member is driven into two plate members which are members to be fastened, and FIG. 15 (2) is a member 2 to be fastened by the fastening member. It is explanatory drawing of the fastening state of two board | plate materials.

The fastening member A5 according to the fifth embodiment of the present invention is different from the fastening member A4 according to the fourth embodiment in that the nut member and the driving member are different.
Other configurations are the same as those of the fastening member A4 according to the fourth embodiment. Therefore, the same components as those of the fastening member A4 are denoted by the same reference numerals, and description thereof will be omitted.

The outer periphery of the nut member 32 is formed in a circular shape, and a guide surface portion 33 and a hook portion 34 which are inclined at one end are formed on the outer periphery portion. 32A is provided.

The driving member 35 is made of metal and has a conical sharp part 37 connected to the straight cylindrical part 36. A hooking claw 38 is formed on the end face of the straight cylindrical part 36.
Are provided at predetermined intervals in the circumferential direction.

Then, a caulking member 25 is fitted on the screw portion 3 of the screw member 1, and the slide member 6 is fitted in the caulking member 25 by fitting the circular hole 18 in the caulking member 25 in the axial direction. It is provided movably. A nut member 32 is screwed into the tip of the screw portion 3 of the screw member 1. The guide surface portion 33 of the nut member 32 is a guide surface portion inside the tip side of the swage portion 28 of the swaging member 25. 29
And the projection 32A of the nut member 32
It is inserted into the split groove 27 between them. The driving member 35 is disposed at the tip of the screw member 1, and the hook 38 of the driving member 35 is hooked on the hook 43 of the nut member 32.

Next, the fastening member A constructed as described above is used.
5, the fastening of the plate materials B and C, which are materials to be fastened, such as lightweight structural materials, will be described.

The fastening member A5 is mounted on an air driving machine (not shown), and is driven into plate members B and C in which two fastening members A5 are stacked as shown in FIG. The driving of the fastening member A5 causes the sharp portion 3
7 penetrates the plate materials B and C, and the caulking member 25 projects outward of the plate material C. In the process of driving the fastening member A5, the slide member 6 holding the caulking portion 28 so as not to open is brought into contact with the plate member B and moves to the caulking member 25, and the plate member B and the screw member 1 are moved. Between the head 7 and serves as a washer.

Next, when the screw member 1 of the fastening member A5 is rotated by a rotary tool such as a torque wrench instead of the air driving machine in the same manner as in the third embodiment described above, FIG. As shown, the projection 32A of the nut member 32 is inserted into the split groove 27 between the caulking portions 28, and the caulking member 25
The nut member 32 in the engaged state is screw-fed and moves to the head 7 side of the screw member 1. In this state, the hooking claw 38 of the driving destination member 35 is disengaged from the hooking inclined portion 43 of the nut member 32, and the driving destination member 35 is separated from the nut member 32 and falls.

By the screw feed of the nut member 32, the caulking member 32 receives a pressing force along the axial direction, and the caulked portion 28 is bent and opened at the base thereof. Then, at the final stage where the caulked portion 28 is caulked, the caulked portion 28 comes into contact with the surface of the plate material C, and the plate materials B and C
The plate members B and C are fastened to each other by being sandwiched between the caulking portion 28, the head 7 of the screw member 1, and the slide member 6.

The fastening member A5 has a cross-shaped groove 8A as in the case of the first embodiment, and the fastening member 8 has a hexagonal recess 8B as in the first embodiment. There are two types.

According to the fifth embodiment described above, the fastening member A5 can be mounted on an air driving machine or the like and driven into the two superposed plates B and C. The plate members B and C can be fastened to each other only by rotating the.

For this reason, it is possible not only to eliminate the work of forming an insertion hole in a plate material and welding a nut, and the work of forming a prepared hole in a material to be fastened and tapping the prepared hole. The work of fastening the plate materials B and C can be performed quickly and easily.

[0094] After the driving member 35 is driven into the plurality of plate members B and C, the hooking claw 38 comes off the hooking portion 34 and falls off from the nut member 32. For this reason, the fastening member after fastening does not have the driving destination member 35, and the appearance is good.

(Embodiment 6) FIGS. 16 to 18 show a fastening member according to Embodiment 6 of the present invention. FIG.
(1) is a perspective view of a fastening member according to Embodiment 6 of the present invention, and (2) of FIG. 16 is a perspective view of a state where a screw member is rotated after driving in the fastening member, and FIG. (3) is a perspective view of a fastening member in which the engaging portion of the head of the screw member is a hexagonal recess, and (1) of FIG. 17 is a front view of the fastening member according to Embodiment 6 of the present invention. FIG. 17 (2) is a longitudinal sectional view of the fastening member, and FIG. 18 (1) is an explanatory view of a state where the fastening member is driven into two plate members to be fastened.
FIG. 8 (2) is an explanatory view of a state in which two plate members, which are members to be fastened, are fastened by the fastening member.

The fastening member A6 according to the sixth embodiment of the present invention is different from the fastening member A4 according to the fourth embodiment described above in that the fastening member A6 is driven into. Since they are the same as the fastening member A4 according to the fourth embodiment, the same parts as those of the fastening member A4 are denoted by the same reference numerals, and description thereof will be omitted.

The driving member 39 of the fastening member A6 according to the sixth embodiment of the present invention has a cylindrical member body 4
An annular cutting blade portion 41 is formed at the tip of the member main body 40, and a screw hole 42 is provided at an end surface of the member main body 40.

Then, a caulking member 25 is fitted to the screw portion 3 of the screw member 1, and the slide member 6 is fitted in the caulking member 25 by fitting the circular hole 18 in the caulking member 25 in the axial direction. It is provided movably. A nut member 30 is screwed into the tip of the screw portion 3 of the screw member 1, and the protrusion 31 </ b> A of the nut member 30 is
The screw member 1 is provided with a driving member 39 by screwing the tip of the screw portion 3 into the screw hole 42.

Next, the fastening member A constructed as described above is used.
6, the fastening of the plate members B and C, which are members to be fastened, such as lightweight structural members, will be described.

The fastening member A6 is mounted on an air driving machine (not shown), and as shown in FIG. 18A, the fastening member A6 is driven into two stacked plates B and C. By the driving of the fastening member A6, the cutting blade portion 41 of the driving destination member 39 penetrates while cutting the plates B and C, and the caulking member 25 protrudes outward from the plate C. In the process of driving the fastening member A, the slide member 6 pressing the caulking member 28 so that the caulking portion 28 does not open comes into contact with the plate material B and moves to the caulking member 25, and the plate material B and the screw member 1 are moved. Between the head 7 and serves as a washer.

Next, when the screw member 1 of the fastening member A is rotated with a rotary tool such as a torque wrench instead of the air driving machine as shown in FIG. The nut member 30 inserted into the split groove 27 between the caulking portions 28 and engaged with the caulking member 25 is screwed and moved to the head 7 side of the screw member 1.

By the screw feed of the nut member 30, the caulking member 25 receives a pressing force along the axial direction, and the caulking portion 28 is bent and opened at its base to caulk. Then, at the final stage where the caulked portion 28 is caulked, the caulked portion 28 comes into contact with the surface of the plate material C, and the plate materials B and C
The plate members B and C are fastened to each other by being sandwiched between the caulking portion 28, the head 7 of the screw member 1, and the slide member 6.

The fastening member A5 has a cross-shaped groove 8A as shown in (1) and (2) of FIG. 16 and a fastening member A5 as shown in (3) of FIG. And the engaging portion 8 is a hexagonal concave portion 8B.

According to the sixth embodiment described above, the fastening member A6 can be mounted on an air driving machine or the like and driven into the two superposed plates B and C. The plate members B and C can be fastened to each other only by rotating the.

For this reason, it is possible not only to eliminate the work of forming an insertion hole in the plate material and welding the nut, and the work of forming a prepared hole in the material to be fastened and tapping the prepared hole. The work of fastening the plate materials B and C can be performed quickly and easily.

(Embodiment 7) FIGS. 19 to 21 show a fastening member according to Embodiment 7 of the present invention. FIG.
Is a front view of a fastening member according to Embodiment 7 of the present invention,
FIG. 20 (1) is a perspective view of the fastening member, and FIG. 20 (2).
FIG. 21 is a perspective view of a fastening member having a hexagonal concave portion as an engagement portion of a head of a screw member, FIG. 21A is a longitudinal sectional view of the fastening member, and FIG. FIG. 6 is a perspective view of a state in which two plate members are fastened with each other.

The fastening member A7 according to the seventh embodiment of the present invention is different from the fastening member A6 according to the sixth embodiment in a nut member and a driving member.
Other configurations are the same as those of the fastening member A6 according to the sixth embodiment, and therefore, the same components as those of the fastening member A6 are denoted by the same reference numerals and description thereof is omitted.

The nut member of the fastening member A7 according to the seventh embodiment of the present invention is integral with the driving member, and the main body is the nut member 43.
A cutting blade portion 44 is formed as a driving tip portion at the tip portion. A plurality of protrusions 43A are provided on the outer peripheral portion of the nut member 43 at predetermined intervals in the circumferential direction.

The caulking member 25 is fitted on the screw portion 3 of the screw member 1. The caulking member 25 is fitted with the circular hole 18 in the caulking member 25, and the slide member 6 is axially moved. It is provided movably. A nut member 43 is screwed into the leading end of the screw portion 3 of the screw member 1, and a protrusion 43 </ b> A on the outer peripheral portion of the nut member 43 is inserted into the split groove 27 between the swaged portions 28 of the swaged member 25. ing.

Next, the fastening member A constructed as described above is used.
7, the fastening of the plate members B and C, which are members to be fastened, such as lightweight structural members, will be described.

[0111] The fastening member A7 is mounted on an air driving machine (not shown), and the fastening member A7 is driven into the two plate materials B and C which are stacked. By the driving of the fastening member A7, the cutting blade portion 44 of the nut member 43 penetrates while cutting the plate materials B and C, and the caulking member 25 protrudes outward from the plate material C. In the process of driving the fastening member A, the slide member 6 pressing the caulking member 28 so that the caulking portion 28 does not open comes into contact with the plate material B and moves to the caulking member 25, and the plate material B and the screw member 1 are moved. Between the head 7 and serves as a washer.

Next, when the screw member 1 of the fastening member A is rotated with a rotary tool such as a torque wrench instead of an air driving machine, the protrusion 43A on the outer peripheral portion of the nut member 43 is fixed to the caulking portion 28 of the caulking member 25. The nut member 43 which is inserted into the inter-divided groove 27 and is engaged with the caulking member 25 is screwed and moved to the head 7 side of the screw member 1.

By the screw feed of the nut member 43, the caulking member 25 receives a pressing force along the axial direction, and the caulking portion 28 is bent and opened at its base to caulk. Then, at the final stage where the caulked portion 28 is caulked, the caulked portion 28 comes into contact with the surface of the plate material C, and the plate materials B and C
The plate members B and C are fastened to each other by being sandwiched between the caulking portion 28, the head 7 of the screw member 1, and the slide member 6.

The fastening member A7 has a cross-shaped groove 8A as shown in FIG. 20 (2), and the fastening member A7 has a cross-shaped groove 8A as shown in FIG. 20 (3). There are two types, one in which the portion 8 is a hexagonal concave portion 8B.

According to the seventh embodiment described above, the fastening member A7 can be mounted on an air driving machine or the like and driven into the two stacked sheets B and C. The plate members B and C can be fastened to each other only by rotating the.

For this reason, it is possible not only to eliminate the work of forming an insertion hole in the plate material and welding the nut, and the work of forming a prepared hole in the material to be fastened and tapping the prepared hole. The work of fastening the plate materials B and C can be performed quickly and easily.

Since the nut member 43 is integrated with the driving member, the number of parts can be reduced, and the production cost can be reduced.

(Eighth Embodiment) FIGS. 22 and 23 show a fastening member according to an eighth embodiment of the present invention. FIG.
(1) is a perspective view of a fastening member according to Embodiment 8 of the present invention, (2) of FIG. 22 is a perspective view of the fastening member in a driving state, and (3) of FIG. FIG. 23 (1) is a partially sectional front view of the fastening member, and FIG. 23 (2) is a driving state of the fastening member. FIG. 23 (3) is a perspective view of a state where two plate members are fastened by the fastening member.

The fastening member A8 according to the eighth embodiment of the present invention is different from the fastening member A6 according to the sixth embodiment in that the nut member and the driving destination member are different. Since the fastening member A6 is the same as the fastening member A6 according to the sixth embodiment, the same components as those of the fastening member A6 are denoted by the same reference numerals, and description thereof will be omitted.

The outer periphery of the nut member 51 of the fastening member A8 according to the eighth embodiment of the present invention is formed in a circular shape, and the outer peripheral portion is hooked to the guide surface portion 52 inclined to one end side. A portion 53 is formed. And
A plurality of projections 51A are provided on the outer peripheral portion of the nut member 51 at predetermined intervals in the circumferential direction.

The driving member 47 is provided with a cylindrical member main body 48, and an annular cutting blade 49 is formed at the tip of the member main body 48. Is provided with a plurality of hooking claws 50 at predetermined intervals in the circumferential direction.

Then, a caulking member 25 is fitted to the screw portion 3 of the screw member 1, and the slide member 6 is fitted in the caulking member 25 by fitting the circular hole 18 in the caulking member 25 in the axial direction. It is provided movably. A nut member 51 is screwed into the tip of the screw portion 3 of the screw member 1, and the guide surface portion 52 of the nut member 51 is provided inside the guide surface portion 29 on the front side of the caulked portion 28 of the caulking member 25. And the projection 51A of the nut member 51 has the split groove 27 between the caulking portions 28 of the caulking member 25 of the caulking member 25.
Has been inserted. The driving member 47 is disposed at the tip of the screw member 1.
7 is hooked on a hook 53 of the nut member 51.

Next, the fastening member A constructed as described above is used.
8, the fastening of the plate materials B and C, which are materials to be fastened, such as lightweight structural materials, will be described.

The fastening member A8 is mounted on an air driving machine (not shown), and as shown in FIG. 23 (2), the fastening member A8 is driven into two stacked plates B and C. Due to the driving of the fastening member A8, the cutting blade portion 49 of the driving destination member 47 penetrates while cutting the plate materials B and C, and the caulking member 25 projects outward of the plate material C. In the process of driving the fastening member A, the slide member 6 pressing the caulking member 28 so that the caulking portion 28 does not open comes into contact with the plate material B and moves to the caulking member 25, and the plate material B and the screw member 1 are moved. Between the head 7 and serves as a washer.

Next, when the screw member 1 of the fastening member A is rotated with a rotating tool such as a torque wrench instead of an air driving machine, the projection 51A of the nut member 51 is swaged by the swaged portion of the swaged member 25 of the swaged member 25. The nut member 51 inserted into the split groove 27 between the nuts 28 and engaged with the caulking member 25 is screw-fed and moved to the head 7 side of the screw member 1.

By the screw feed of the nut member 51, the caulking member 25 receives a pressing force along the axial direction, and the caulking portion 28 is bent and opened at its base to caulk. Then, at the final stage where the caulked portion 28 is caulked, the caulked portion 28 comes into contact with the surface of the plate material C, and the plate materials B and C
The plate members B and C are fastened to each other by being sandwiched between the caulking portion 28, the head 7 of the screw member 1, and the slide member 6. In this state, the hooking claw 38 of the driving destination member 35 is disengaged from the hooking inclined portion 43 of the nut member 32, and the driving destination member 35 is separated from the nut member 32 and falls.

The fastening member A7 has a cross-shaped groove 8A as in the case of the first embodiment, and the fastening member 8 has a hexagonal recess 8B as in the first embodiment. There are two types.

According to the eighth embodiment described above, the fastening member A8 can be mounted on an air driving machine or the like and driven into two superposed plates B and C. The plate members B and C can be fastened to each other only by rotating the.

For this reason, it is possible not only to eliminate the work of forming an insertion hole in a plate material and welding a nut, and the work of forming a prepared hole in a material to be fastened and tapping the prepared hole. The work of fastening the plate materials B and C can be performed quickly and easily.

[0130] After the driving member 47 is driven into the plurality of stacked plate members B and C, the hooking claw 50 comes off the hooking portion 53 and falls off the nut member 51. For this reason, the fastening member after fastening does not have the driving destination member 47, and the appearance is good.

[0131]

As described above, in the fastening member according to the first aspect of the present invention, the screw member having a head at the end of the screw portion and the screw member of the screw member are screwed. A nut member which is screwed and fed by the rotation of the screw member and is provided with a detent, and a plurality of fastening members which are fitted on the screw member and caulked by the screw feed of the nut member and are stacked in plurality. A caulking member to be fastened together with the head of the screw member, a driving member positioned at a tip end of the screw member and penetrating a plurality of materials to be tightened at the time of driving, and an outer periphery of the caulking member A sliding member that is provided movably in the axial direction of the caulking member and that presses the caulking portion so as not to open. With multiple sheets Driven into. By the driving of the fastening member, the driven member penetrates the material to be fastened, and the caulking member protrudes outward from the material to be fastened. In the process of driving the fastening member, the slide member pressing the caulking member so as not to open the caulking portion moves against the material to be fastened, and the head of the material to be fastened and the head of the screw member are moved. It acts as a washer between the clubs.

Next, when the screw member is rotated with a rotary tool such as a torque wrench instead of the air driving machine, the nut member is fed and moved toward the head of the screw member. By the screw feed of the nut member, the caulking member receives a force along the axial direction, and the caulked portion is caulked, and the material to be fastened is sandwiched between the caulked portion, the head of the screw member, and the slide member. The fastening materials are fastened together.

As described above, the fastening member of the present invention can be mounted on an air driving machine or the like and driven into a plurality of stacked workpieces. After the driving, the fastening member is simply rotated by rotating the screw member. Fastening members can be fastened to each other.

For this purpose, an insertion hole is formed in the material to be fastened,
It is possible to eliminate the work of welding nuts and the work of forming a pilot hole in the material to be fastened and tapping this hole, making the work of fastening the materials to be fastened easily and easily. Can do it.

According to the fastening member of the second aspect of the present invention, in the fastening member of the first aspect, the caulking member is formed by forming a split groove along a longitudinal direction at an intermediate portion of a tubular member main body. The above-mentioned claim is formed by forming a plurality at predetermined intervals in the circumferential direction, forming a band-shaped caulked portion between the split grooves, and forming hollow cylindrical portions on both sides sandwiching the caulked portion. In addition to providing the same effect as the effect of the first aspect of the present invention, the screwing of the nut member causes the caulking member to receive a compressive force along the axial direction, and the caulking portion has a V-shape in a middle portion thereof in a side view. It is crimped so that it is bent. Then, at the final stage where the caulked portion is caulked, the caulked portion is formed into a plate shape and abuts on the material to be fastened. For this,
The fastening of the material to be fastened can be strengthened.

According to a third aspect of the present invention, in the fastening member of the first aspect, the caulking member extends vertically from an end to an intermediate portion of the tubular member main body. By forming a plurality of split grooves at predetermined intervals in the circumferential direction, forming a cantilevered caulked portion between the split grooves, forming a hollow cylindrical portion on the leading side of the swaged portion, In addition to providing the same effect as the effect of the first aspect of the present invention, the screwing of the nut member causes the caulking member to receive a pressing force along the axial direction, and the caulking portion bends and opens at its base. Caulked. And
At the final time when the caulked portion is caulked, the caulked portion comes into contact with the material to be fastened. For this reason, the material to be fastened can be easily tightened.

According to a fourth aspect of the present invention, in the fastening member of the first, second, or third aspect, the driving member is connected to a straight cylindrical portion to have a sharp portion. By forming a screw hole on the end surface of the straight cylindrical portion with which the screw portion of the screw member is screwed, not only the same effect as the effect of the first aspect of the present invention but also the tightening effect can be obtained. By the driving of the fastening member, the sharp portion of the driving destination member penetrates the plurality of materials to be tightened, and the caulking member projects outside the material to be tightened, so that the driving of the fastening member is surely and It will be easier.

According to a fifth aspect of the present invention, in the fastening member according to the first or second or third aspect, the driving destination member is formed by a tip of a cylindrical member main body. A cutting blade portion is formed in the portion, and a screw hole into which the screw portion of the screw member is screwed is provided on the end surface of the member main body, so that the same effect as the effect of the invention of claim 1 described above is obtained. Not only can it be obtained, but by driving in the fastening member, the cutting blade portion of the driving destination member cuts and penetrates a plurality of workpieces,
The caulking member projects outside the material to be fastened, and the driving of the fastening member is reliably and easily performed.

Further, according to the fastening member of the sixth aspect of the present invention, in the fastening member of the fifth aspect, the nut member and the driving destination member are integrated with each other, whereby the above-mentioned first aspect is achieved. In addition to achieving the same effect as the effect of the invention, the number of parts can be reduced by integrating the nut member and the driving destination member, and the manufacturing cost can be reduced.

According to a seventh aspect of the present invention, there is provided the fastening member according to the fourth or fifth aspect, wherein a hook portion of the nut member is provided, and the hook member is hooked on the driving destination member. Providing a claw, hooking the hook claw on the hook portion, and detachably attaching the driving-destination member to the nut member provides the same effect as the effect of the invention of claim 1 described above. Not only is it possible to obtain, but after the driving member is driven into a plurality of materials to be fastened, the hooking claws are disengaged from the hook portions and fall off from the nut member. For this reason, the fastening member after fastening does not have a driving destination member, and the appearance is good.

According to the fastening member of the eighth aspect of the present invention, the fastening member according to the first, second, third, fourth, fifth, sixth, or seventh aspect is provided. In the member, the same effect as the effect of the invention of the above-described claim 1 can be obtained by providing the engaging portion with which the rotating portion of the rotating tool is removably engaged at the head of the screw member. Alternatively, the rotating portion of the rotary tool can be engaged with the engaging portion of the head of the screw member, and the torque of the rotating portion can be reliably transmitted to the screw member, thereby improving the efficiency of the fixing operation. it can.

[Brief description of the drawings]

FIG. 1A is a perspective view of a fastening member according to Embodiment 1 of the present invention. (2) is a perspective view of the state where the screw member was rotated after driving in the fastening member.
(3) is a perspective view of the fastening member in which the engaging portion of the head of the screw member is a hexagonal concave portion.

FIG. 2A is a front view of a fastening member according to the first embodiment of the present invention. (2) is a longitudinal sectional view of the fastening member.

FIG. 3 is an explanatory view of a state in which two plate members, which are members to be fastened, are fastened by the fastening member.

FIG. 4A is a perspective view of a fastening member according to a second embodiment of the present invention. (2) is a perspective view of the state where the screw member was rotated after driving in the fastening member.
(3) is a perspective view of the fastening member in which the engaging portion of the head of the screw member is a hexagonal concave portion.

FIG. 5 (1) is a front view of a fastening member according to Embodiment 2 of the present invention. (2) is a longitudinal sectional view of the fastening member.

FIG. 6 is an explanatory view of a state in which two plate members, which are members to be fastened, are fastened by the fastening member.

FIG. 7A is a perspective view of a fastening member according to Embodiment 3 of the present invention. (2) is a perspective view of the state where the screw member was rotated after driving in the fastening member.
(3) is a perspective view of the fastening member in which the engaging portion of the head of the screw member is a hexagonal concave portion.

FIG. 8 (1) is a front view of a fastening member according to Embodiment 3 of the present invention. (2) is a longitudinal sectional view of the fastening member.

FIG. 9 is an explanatory view of a state in which two plate members, which are members to be fastened, are fastened by the fastening member.

FIG. 10 (1) is a perspective view of a fastening member according to Embodiment 4 of the present invention. (2) is a perspective view of the state where the screw member was rotated after driving in the fastening member.
(3) is a perspective view of the fastening member in which the engaging portion of the head of the screw member is a hexagonal concave portion.

FIG. 11 (1) is a front view of a fastening member according to Embodiment 4 of the present invention. (2) is a longitudinal sectional view of the fastening member.

FIG. 12 (1) is an explanatory view of a state where the fastening member is driven into two plate members which are members to be fastened. (2) is explanatory drawing of the fastening state of two board | plate materials which are to-be-tightened materials by the same fastening member.

FIG. 13 (1) is a perspective view of a fastening member according to Embodiment 5 of the present invention. (2) is a perspective view of the state after driving of the fastening member. (3) is a perspective view of a state in which the screw member is rotated after the fastening member is driven and two plate members as the fastening members are fastened.

FIG. 14 is a longitudinal sectional view of a fastening member according to Embodiment 5 of the present invention.

FIG. 15 (1) is an explanatory view of a state where the fastening member is driven into two plate members which are members to be fastened. (2) is explanatory drawing of the fastening state of two board | plate materials which are to-be-tightened materials by the same fastening member.

FIG. 16 (1) is a perspective view of a fastening member according to Embodiment 6 of the present invention. (2) is a perspective view of the state where the screw member was rotated after driving in the fastening member.
(3) is a perspective view of the fastening member in which the engaging portion of the head of the screw member is a hexagonal concave portion.

FIG. 17 (1) is a front view of a fastening member according to Embodiment 6 of the present invention. (2) is a longitudinal sectional view of the fastening member.

FIG. 18 (1) is an explanatory view of a state where the fastening member is driven into two plate members which are members to be fastened. (2) is explanatory drawing of the fastening state of two board | plate materials which are to-be-tightened materials by the same fastening member.

FIG. 19 is a front view of a fastening member according to Embodiment 7 of the present invention.

FIG. 20 (1) is a perspective view of the fastening member. (2)
FIG. 5 is a perspective view of a fastening member having a hexagonal concave portion as an engaging portion of a head of a screw member.

FIG. 21 (1) is a longitudinal sectional view of the fastening member.
(2) is a perspective view of the fastening state of two board materials by the fastening member.

FIG. 22 (1) is a perspective view of a fastening member according to Embodiment 8 of the present invention. (2) is a perspective view of the fastening member in a driven state. (3) is a perspective view of a state in which the screw member is rotated and the caulking member is caulked in the fastening member.

FIG. 23 (1) is a partially sectional front view of the fastening member. (2) is an explanatory view of a driving state of the fastening member. FIG. 3C is a perspective view of a state where two plate materials are fastened by the fastening member.

[Explanation to the code]

 DESCRIPTION OF SYMBOLS 1 Screw member 2 Caulking member 3 Screw part 4 Nut member 5 Driving member 6 Slide member 7 Head 11 Caulking part

────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] December 2, 1996

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0106

[Correction method] Change

[Correction contents]

(Embodiment 7) FIGS. 19 to 21 show a fastening member according to Embodiment 7 of the present invention. FIG.
Is a front view of a fastening member according to Embodiment 7 of the present invention,
FIG. 20 (1) is a perspective view of the fastening member, and FIG. 20 (2).
FIG. 21 is a perspective view of a fastening member having a hexagonal concave portion as an engagement portion of a head of a screw member, FIG. 21A is a longitudinal sectional view of the fastening member, and FIG. FIG. 4 is an explanatory view of a state in which two plate members are fastened with each other.

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name]

[Correction method] Change

[Correction contents]

(Eighth Embodiment) FIGS. 22 and 23 show a fastening member according to an eighth embodiment of the present invention. FIG.
(1) is a perspective view of a fastening member according to Embodiment 8 of the present invention, (2) of FIG. 22 is a perspective view of a state in which the fastening member is driven, and (3) of FIG. FIG. 23A is a perspective view showing a partially cross-sectional front view of the fastening member, and FIG. 23B is a driving state of the fastening member. (3) of FIG. 23 is an explanatory view of a state in which two plate members are fastened by the fastening member.

[Procedure amendment 3]

[Document name to be amended] Statement

[Correction target item name] Brief description of drawings

[Correction method] Change

[Correction contents]

[Brief description of the drawings]

FIG. 1A is a perspective view of a fastening member according to Embodiment 1 of the present invention. (2) is a perspective view of the state where the screw member was rotated after driving in the fastening member.
(3) is a perspective view of the fastening member in which the engaging portion of the head of the screw member is a hexagonal concave portion.

FIG. 2A is a front view of a fastening member according to the first embodiment of the present invention. (2) is a longitudinal sectional view of the fastening member.

FIG. 3 is an explanatory view of a state in which two plate members, which are members to be fastened, are fastened by the fastening member.

FIG. 4A is a perspective view of a fastening member according to a second embodiment of the present invention. (2) is a perspective view of the state where the screw member was rotated after driving in the fastening member.
(3) is a perspective view of the fastening member in which the engaging portion of the head of the screw member is a hexagonal concave portion.

FIG. 5 (1) is a front view of a fastening member according to Embodiment 2 of the present invention. (2) is a longitudinal sectional view of the fastening member.

FIG. 6 is an explanatory view of a state in which two plate members, which are members to be fastened, are fastened by the fastening member.

FIG. 7A is a perspective view of a fastening member according to Embodiment 3 of the present invention. (2) is a perspective view of the state where the screw member was rotated after driving in the fastening member.
(3) is a perspective view of the fastening member in which the engaging portion of the head of the screw member is a hexagonal concave portion.

FIG. 8 (1) is a front view of a fastening member according to Embodiment 3 of the present invention. (2) is a longitudinal sectional view of the fastening member.

FIG. 9 is an explanatory view of a state in which two plate members, which are members to be fastened, are fastened by the fastening member.

FIG. 10 (1) is a perspective view of a fastening member according to Embodiment 4 of the present invention. (2) is a perspective view of the state where the screw member was rotated after driving in the fastening member.
(3) is a perspective view of the fastening member in which the engaging portion of the head of the screw member is a hexagonal concave portion.

FIG. 11 (1) is a front view of a fastening member according to Embodiment 4 of the present invention. (2) is a longitudinal sectional view of the fastening member.

FIG. 12 (1) is an explanatory view of a state where the fastening member is driven into two plate members which are members to be fastened. (2) is explanatory drawing of the fastening state of two board | plate materials which are to-be-tightened materials by the same fastening member.

FIG. 13 (1) is a perspective view of a fastening member according to Embodiment 5 of the present invention. (2) is a perspective view of the state after driving of the fastening member. (3) is a perspective view of a state in which the screw member is rotated after the fastening member is driven and two plate members as the fastening members are fastened.

FIG. 14 is a longitudinal sectional view of a fastening member according to Embodiment 5 of the present invention.

FIG. 15 (1) is an explanatory view of a state where the fastening member is driven into two plate members which are members to be fastened. (2) is explanatory drawing of the fastening state of two board | plate materials which are to-be-tightened materials by the same fastening member.

FIG. 16 (1) is a perspective view of a fastening member according to Embodiment 6 of the present invention. (2) is a perspective view of the state where the screw member was rotated after driving in the fastening member.
(3) is a perspective view of the fastening member in which the engaging portion of the head of the screw member is a hexagonal concave portion.

FIG. 17 (1) is a front view of a fastening member according to Embodiment 6 of the present invention. (2) is a longitudinal sectional view of the fastening member.

FIG. 18 (1) is an explanatory view of a state where the fastening member is driven into two plate members which are members to be fastened. (2) is explanatory drawing of the fastening state of two board | plate materials which are to-be-tightened materials by the same fastening member.

FIG. 19 is a front view of a fastening member according to Embodiment 7 of the present invention.

FIG. 20 (1) is a perspective view of the fastening member. (2)
FIG. 5 is a perspective view of a fastening member having a hexagonal concave portion as an engaging portion of a head of a screw member.

FIG. 21 (1) is a longitudinal sectional view of the fastening member.
(2) is an explanatory view of a fastening state of two plate materials by the fastening member.

FIG. 22 (1) is a perspective view of a fastening member according to Embodiment 8 of the present invention. (2) is a perspective view of the fastening member in a driven state. (3) is a perspective view of a state in which the screw member is rotated and the caulking member is caulked in the fastening member.

FIG. 23 (1) is a partially sectional front view of the fastening member. (2) is an explanatory view of a driving state of the fastening member. (3) is an explanatory view of a fastening state of two plate materials by the fastening member.

[Description of Signs] 1 Screw member 2 Caulking member 3 Screw part 4 Nut member 5 Driving member 6 Slide member 7 Head 11 Caulking portion

[Procedure amendment 4]

[Document name to be amended] Drawing

[Correction target item name] All figures

[Correction method] Change

[Correction contents]

FIG.

FIG. 2

FIG. 3

FIG. 5

FIG. 4

FIG. 6

FIG. 7

FIG. 9

FIG. 10

FIG.

FIG. 8

FIG. 11

FIG.

FIG. 14

FIG. 13

FIG.

FIG.

FIG. 16

FIG.

FIG.

FIG. 21

FIG.

FIG. 23

Claims (8)

[Claims] A screw member having a head at an end of the screw member; a nut member screwed into the screw portion of the screw member, provided with a detent, and fed by the rotation of the screw member. A caulking member that is fitted to the screw member and caulked by the screw feed of the nut member and tightens together the plurality of tightened members together with the head of the screw member; and a tip of the screw member A driving member which is positioned at a portion and penetrates a plurality of materials to be fastened at the time of driving, and is provided on an outer peripheral portion of the caulking member so as to be movable in an axial direction of the caulking member, and the caulking portion is opened. And a slide member for holding the fastening member. 2. The caulking member is formed with a plurality of longitudinally extending dividing grooves at predetermined intervals in a circumferential direction at an intermediate portion of a tubular member main body, and a band-like caulking portion is formed between the dividing grooves. The fastening member according to claim 1, wherein a hollow cylindrical portion is formed on both sides of the caulking portion. 3. The caulking member is formed with a plurality of longitudinally extending grooves at predetermined intervals in a circumferential direction from an end portion to an intermediate portion of the tubular member main body, and is cantilevered between the dividing grooves. The fastening member according to claim 1, wherein a caulked portion is formed, and a hollow cylindrical portion is formed at a front side of the caulked portion. 4. The driving member according to claim 1, wherein a sharp portion is formed by connecting to the straight cylindrical portion, and a screw hole is formed in an end surface of the straight cylindrical portion, into which a screw portion of the screw member is screwed. The fastening member according to claim 2 or 3. 5. The driving member is formed by forming a cutting blade at a tip of a cylindrical member main body, and providing a screw hole at an end face of the member main body with which a screw portion of the screw member is screwed. The fastening member according to claim 1, claim 2, or claim 3. 6. The fastening member according to claim 5, wherein the nut member and the driving member are integrated. 7. A hook portion is provided on the nut member, a hooking claw is provided on the driving destination member, and the hooking claw is hooked on the hooking portion to attach / detach the driving tip member to / from the nut member. Claim 4 or Claim 5 attached as possible.
The fastening member according to claim 1. 8. The head of the screw member is provided with an engaging portion with which a rotating portion of a rotary tool engages in a detachable manner. The fastening member according to claim 5 or claim 6 or claim 7.