JP6342853B2 - Fastener - Google Patents

Description

  The present invention relates to a fastener for restraining attached members.

  2. Description of the Related Art Conventionally, for example, a grommet described in Patent Document 1 described below is used when a member to be attached such as a bumper or an under cover of an automobile is restrained to a vehicle body. The grommet includes a shaft body and a main body into which the shaft body is inserted. The shaft body has a plurality of grooves as hooking portions. On the other hand, the main body is formed with a hooked portion that protrudes from the edge of the hole into which the shaft is inserted toward the center of the hole, and a leg piece that protrudes downward from the edge of the hole. When the shaft body is inserted into the main body, the hooked portion and the leg piece are spread out in a direction intersecting the insertion direction by the shaft body, and the hooked portion and the leg piece of the main body are engaged with the shaft body. Part is engaged. That is, the grommet is engaged with the engaging portion of the shaft body at two locations, the upper portion and the lower portion, with the hooked portion and the leg piece.

  According to this grommet, when the attached member is constrained to the vehicle body, when the main body into which the tip of the shaft body is inserted is inserted into the attachment hole of the attached member overlaid on the vehicle body, the leg pieces of the main body are Arranged inside. In this state, when the shaft is further pushed into the main body, the legs of the main body of the grommet expand outward in the main body. In this way, the grommet restrains the attached member to the vehicle body by sandwiching the vehicle body and the attached member between the main body and the shaft body.

Japanese Patent No. 5627940

  However, since the above-mentioned grommet has a short engaged portion and a shallow engagement, the shaft body may be easily detached from the main body. If the hooked portion is long, when the shaft body is inserted into the main body, it is necessary to increase the degree of expanding the hooked portion, and the main body becomes larger in the direction of expanding the hooked portion.

  The present invention has been proposed in view of such circumstances. That is, an object of the present invention is to provide a fastener that can be firmly tightened by increasing the degree of engagement.

  In order to achieve the above object, the fastener according to the present invention has a male member having a shaft leg formed below the head and a flange formed at the edge of the opening into which the shaft leg is inserted. And a female member having a leg piece portion formed below the flange portion, and each of the head portion and the flange portion is engaged with each other. In the fastener in which the male member and the female member are united to restrain the attached member, the locking portion is connected to the head portion or the flange portion where the locked portion is formed. A locking piece portion projecting toward the locking piece portion, a locking claw portion formed at the tip of the locking piece portion, and a support shaft portion supporting both sides of the locking piece portion on the base side. The stop portion is elastically deformed in the direction intersecting the insertion direction of the shaft leg portion about the support shaft portion. The features.

  The fastener according to the present invention is characterized in that, on the base side of the locking portion, the support shaft portion is connected and the periphery is formed hollow.

  The fastener according to the present invention is characterized in that, of the shaft leg portion, a side surface facing the inside of the leg piece portion is formed flat.

  In the fastener according to the present invention, the locked portion is formed on the male member, the temporary locking locked portion formed on the lower side of the shaft leg portion, and the main fastener formed on the head side. It is comprised from the to-be-latched part.

  The fastener according to the present invention is characterized in that the temporary fastening latched portion and the final fastening latched portion are arranged so as to be shifted around the axis of the shaft leg portion.

  The fastener according to the present invention is characterized in that a storage portion in which the locking portion is disposed is formed on a head portion or the flange portion.

  The fastener according to the present invention has the above-described configuration. That is, when the shaft leg portion of the male member is inserted into the opening of the female member and the male member and the female member are united, the locking claw portion of the locking portion is expanded by the shaft leg portion. Here, the locking piece portion protrudes toward the head portion or the flange portion where the locked portion is formed, and the base side is supported by the support shaft portion, so that the position of the base side changes when elastically deforming. Without this, the locking claw at the tip is spread out in a direction intersecting with the insertion direction of the shaft leg. That is, it is possible to deepen the degree of engagement by the locking claw portion and firmly hold it without changing the size of the female member in the direction in which the female member is pushed and spread.

  Further, since the locking portion is pushed and expanded by twisting the support shaft portion, the locking portion is easily elastically deformed.

  According to the fastener of the present invention, the base side of the locking portion is formed such that the support shaft portion is connected and the periphery is hollow. That is, the latching | locking part is arrange | positioned hollowly by connecting with the support shaft part in hollow. When the latching portion is elastically deformed, the support shaft portion is twisted, and the latching portion is pushed and spread in the direction intersecting the insertion direction of the shaft leg portion with the support shaft portion as an axis, and engages with the latched portion. Therefore, the degree of engagement can be deepened and firmly held. Moreover, since the periphery of the base side is hollow and the base side is supported at two points on both sides, the base side is easy to move in the hollow portion. That is, even when the locking part is formed small and is difficult to bend and elastically deform, the base side is easy to move, and as a result, the locking part is easily elastically deformed. Therefore, even when the locking portion is formed small, the locking portion can be easily elastically deformed.

  Further, as described above, since the fastener has a deep degree of engagement, the male member engages with the female member at one upper position as compared with the conventional technique in which the fastener is engaged at two positions above and below. , Stay firm. Therefore, the fastener according to the present invention is as follows.

  As for the fastener which concerns on this invention, the side surface which faces the inner side of a leg piece part among shaft leg parts is formed flat. That is, since it is not necessary to engage the shaft leg portion of the male member and the leg piece portion of the female member, the side surface of the shaft leg portion facing the inside of the leg piece portion is flat and has no unevenness. With this configuration, even if a foreign object such as gravel is sandwiched between the shaft leg part and the leg piece part, the foreign object slides on the flat side surface, so that the foreign object is prevented from being caught.

  Further, even if the degree of elastic deformation of the leg piece portion is weakened by creep, the side surface of the shaft leg portion that faces the inside of the leg piece portion is flat, and the shaft leg portion and the leg piece portion are Do not engage with each other, and creep does not affect the degree of engagement. In other words, the leg pieces that are affected by creep are not engaged, but the locking member protruding toward the head or flange is engaged with the locked portion so that the male member and the female member are combined. Therefore, the influence of creep can be avoided.

  In the fastener according to the present invention, the locked portion is formed on the male member, the temporarily locked locked portion formed on the lower side of the shaft leg portion, and the permanently locked locked surface formed on the head side. It consists of a part. With this configuration, the engaging portion and the temporarily fixed engagement portion of the shaft leg portion are engaged with each other, so that the fastener is temporarily fixed. And the fastener is brought into a fully-fastened state. Therefore, the male member and the female member can be combined and handled in a temporarily fixed state, and the performance of the mounting operation can be improved.

  In the fastener according to the present invention, the temporarily fastened latched portion and the final fastened latched portion are arranged so as to be shifted around the axis of the shaft leg portion. With this configuration, it is possible to mold with a so-called two-surface mold.

  As for the fastener which concerns on this invention, the accommodating part by which a latching | locking part is arrange | positioned is formed in the head part or the flange part. That is, since the locking portion is disposed in the storage portion, it does not become bulky. Therefore, it can contribute to size reduction.

The fastener which concerns on 1st embodiment of this invention is shown, (a) The top view seen from the top, (b) The side surface fragmentary sectional view seen from the side, (c) The bottom view seen from the bottom (D) is a perspective view. The male member of the fastener which concerns on 1st embodiment of this invention is shown, (a) is a top view, (b) is a side view, (c) is a bottom view, (d) is AA side sectional drawing, (E) is a perspective view. The female member of the fastener which concerns on 1st embodiment of this invention is shown, (a) is a top view, (b) is a side view, (c) is a bottom view, (d) is BB side sectional drawing, (E) is a perspective view. The process in which the male member and female member of the fastener concerning 1st embodiment of this invention unite is shown, (a) is side sectional drawing of the state of temporary fixing, (b) is this fastener from the state of temporary fixing The side sectional view of the process which changes to the state of (2), (c) is a side sectional view of the state of the main fastening. The fastener which concerns on 2nd embodiment of this invention is shown, (a) is a top view, (b) is a side surface fragmentary sectional view. The male member of the fastener which concerns on 2nd embodiment of this invention is shown, (a) is a side view, (b) is a bottom view, (c) is side surface DD sectional drawing, (d) is a 2nd side surface. (E) is a perspective view, (f) is a C-C side sectional view. The female member of the fastener which concerns on 2nd embodiment of this invention is shown, (a) is a top view, (b) is a side surface fragmentary sectional view, (c) is a bottom view, (d) is EE side surface cross section. FIG. The fastener which concerns on 3rd embodiment of this invention is shown, (a) is a top view, (b) is side sectional drawing, (c) is a bottom view. The male member of the fastener which concerns on 3rd embodiment of this invention is shown, (a) is a top view, (b) is a side view, (c) is a bottom view, (d) is FF side sectional drawing. is there. The female member of the fastener which concerns on 3rd embodiment of this invention is shown, (a) is a top view, (b) is a side view, (c) is a bottom view, (d) is GG side sectional drawing. is there.

  Below, the fastener concerning a first embodiment of the present invention is explained based on a drawing. FIG. 1 shows the appearance of a fastener 10 according to the first embodiment of the present invention. 2 shows the male member 20 of the fastener 10 according to the first embodiment of the present invention, and FIG. 3 shows the female member 40 of the fastener 10. In the following description, with reference to FIG. 1B, the full length direction is defined as upward and downward, and laterally from the center toward the outside.

<Fastening>
The fastener 10 according to the first embodiment shown in FIG. 1 includes a male member 20 (see FIG. 2) in which a shaft leg portion 22 is formed downward from the center of a disc-shaped head portion 21, and a shaft leg. A disc-shaped flange portion 42 is formed at the edge of the opening 41 into which the portion 22 is inserted, and a female member 40 having a leg piece portion 44 formed below the flange portion 42 (see FIG. 3). ). The shaft leg portion 22 is formed with a locked portion 26, while the flange portion 42 is formed with a locking portion 45. By engaging the locked portion 26 and the locking portion 45, as shown in FIG. 1, the male member 20 and the female member 40 are combined into the fastener 10 and the attached member (illustrated) is shown. (Omitted) is constrained to the vehicle body (not shown).

<Male member>
As shown in FIG. 2, the head portion 21 of the male member 20 is formed in a disc shape, and is cut out from the edge toward the center to form a storage portion 31. The storage portion 31 is a space in which the locking portion 45 of the female member 40 is disposed, and is formed at three locations along the edge of the head portion 21 at equal intervals.

  The shaft leg portion 22 of the male member 20 is formed in a substantially rod shape, and a groove extending in the vertical direction is formed on the side surface, so that when viewed from below (see FIG. 4C), the shaft leg portion 22 is substantially “V” toward the center. The three recessed side surfaces 23 that are recessed in a “L” shape and the three protruding side surfaces 25 that protrude in a substantially “Y” shape toward the side as viewed from below are alternately formed. Yes.

  The depressed side surface 23 is formed so that each surface of the “V” shape is flat, and faces the inside of the leg piece portion 44 of the female member 40. Further, the depressed side surface 23 is inclined at the lower end toward the center, and a shaft leg lower end portion 24 is formed.

  The upper side of the protruding side surface 25 is connected to the storage portion 31 of the head portion 21, and a locked portion 26 is formed. The locked portion 26 includes a temporary locking locked portion 27 formed on the lower side of the shaft leg portion 22 and a main locking locked portion 29 formed on the head 21 side. The temporary fastening engaged portion 27 is a step formed by the temporary fastening protrusion 28. That is, a part of the protruding side surface 25 protrudes laterally from the temporary fixing protrusion 28, and a step formed between the temporary fixing protrusion 28 and the protruding side surface 25 is a temporary fixing locked portion. 27. On the other hand, the main fastening engaged portion 29 is a step formed by the main fastening projection 30. That is, the main fastening protrusion 30 extends upward from the middle of the protruding side surface 25 and reaches the front of the storage portion 31 of the head 21, and the step formed at the upper end of the main fastening protrusion 30 is the main fastening protrusion. This is the locked portion 29. The main fastening projection 30 (main fastening latched portion 29) and the temporary fastening projection 28 (temporary fastening latched portion 27) are spaced apart from each other in the vertical direction, and the shaft leg portion 22 is rotated around the axis. It is shifted and arranged.

<Female member>
As shown in FIG. 3, the flange portion 42 of the female member 40 is formed in a disk shape, and an opening 41 is formed in the center. The diameter of the flange portion 42 is formed to be larger than the diameter of the head portion 21 of the male member 20, and the side wall portion 43 rising upward is formed at the edge so that the head portion 21 can be accommodated. .

  The leg piece 44 of the female member 40 is formed so as to protrude downward from the edge of the opening 41. The lower end of the leg piece 44 is formed to project in a “V” shape toward the inside. Further, the leg piece portions 44 are formed at three locations along the edge of the opening portion 41 at equal intervals.

  The locking portion 45 of the female member 40 includes a locking piece portion 46 projecting upward on the head 21 side of the male member 20 where the locked portion 26 is formed, and the tip of the locking piece portion 46. The locking claw portion 47 is formed at the upper end and protrudes toward the center, and the support shaft portion 48 supports both sides of the base side 49 of the locking piece portion 46. The shaft support 48 will be described in detail. The shaft support 48 is substantially rod-shaped and is passed to the space. The shaft support portion 48 is disposed between the adjacent leg piece portions 44 and is aligned in a direction intersecting with the direction from the center of the flange portion 42 to the side on the same plane as the flange portion 42. Since the support shaft portion 48 is disposed in the space, the periphery of the base side 49 of the locking piece 45 is hollow by the opening 41 at the center side of the flange portion 42, and by the gap portion 50 formed on the side side. The side is also hollow. With this configuration, the locking portion 45 is elastically deformed in the direction intersecting the insertion direction of the shaft leg portion 22 of the male member 20 with the support shaft portion 48 as an axis.

  As described above, the fastener 10 according to the first embodiment is configured.

  Next, the usage method of the fastener 10 which concerns on 1st embodiment is demonstrated based on drawing. FIG. 4 shows a process in which the male member 20 and the female member 40 of the fastener 10 according to the first embodiment of the present invention are combined.

  In Fig.4 (a), the fastener 10 is a state of temporary attachment. In other words, the shaft leg portion 22 of the male member 20 is inserted partway into the opening 41 of the female member 40, and the engagement of the female member 40 is engaged with the temporarily locked portion 27 of the locked portion 26 of the male member 20. The locking claw portion 47 of the stop portion 45 is engaged.

  In order to place the fastener 10 in a temporarily secured state, first, the depressed side surface 23 of the shaft leg portion 22 of the male member 20 is aligned in the direction facing the leg piece portion 44 of the female member 40, and Of the shaft leg portion 22 of the member 20, the protruding side surface 25 (the locked portion 26) is aligned in the direction facing the locking portion 45 of the female member 40, and the shaft leg portion 22 of the male member 20 is aligned with the female member 40. Is inserted into the opening 41.

  When the shaft leg portion 22 is inserted, the temporary fixing protrusion 30 of the protruding side surface 25 contacts the locking claw portion 47 of the locking portion 45, and the locking portion 45 intersects the insertion direction of the shaft leg portion 22. It is expanded in the direction and elastically deforms. After the locking portion 45 is spread out, it returns to its original state and engages with the temporarily locked portion 27. The details of the elastic deformation of the locking portion 45 will be described in the change to the final fastening state.

  The fastener 10 in the temporarily fixed state is inserted into the hole of the mounted member overlaid on the vehicle body, and the fixed member is constrained to the vehicle body by setting the fastener 10 in the permanently fixed state.

  In FIG. 4B, when the male member 20 is further pushed in from the temporarily fastened state, the main fastening protrusion 30 on the protruding side surface 25 comes into contact with the locking claw portion 47 of the locking portion 45, and the locking portion 45. Is elastically deformed. Here, the elastic deformation of the locking portion 45 will be described in detail. In the locking portion 45, when the locking claw portion 47 is pushed, the support shaft portion 48 is twisted on the base side 49 of the locking portion 45, and the support shaft 45 is twisted. With the portion 48 as an axis, the locking portion 45 is pushed and expanded in a direction crossing the insertion direction of the shaft leg portion 22.

  When the male member 20 is pushed in until the head portion 21 of the male member 20 faces the flange portion 42 of the female member 40 and the head portion 21 is accommodated inside the side wall portion 43 of the flange portion 42, FIG. As shown, the fastener 10 is in a fully-fastened state. That is, when the main fastening protrusion 30 passes, the locking portion 45 that has been expanded in the direction intersecting the insertion direction of the shaft leg portion 22 and elastically deformed returns to the original state and is fixed to the main fastening portion 29. Engage. The engaged locking portion 45 is disposed and stored in the storage portion 31 of the head 21.

  As shown in FIG. 4 (c), when the fastener 10 is in a fully-fastened state, the leg piece portion 44 of the female member 40 is pushed and expanded in a direction crossing the insertion direction of the shaft leg portion 22. Elastically deforms. That is, the leg piece portion 44 contacts the shaft leg lower end portion 24 of the recessed side surface 23 of the shaft leg portion 22 of the male member 20, and the leg piece portion 44 is pushed in a direction intersecting the insertion direction of the shaft leg portion 22. It is spread and elastically deformed.

  Next, the effect of the fastener 10 according to the first embodiment will be described.

  As described above, according to the first embodiment, the locking portion 45 of the female member 40 is formed on the locking piece portion 46 protruding upward and on the upper end of the locking piece portion 46 toward the center. And a support shaft portion 48 that supports both sides of the base side 49 of the locking piece portion 46. That is, the locking piece portion 46 protrudes upward, and both sides of the base side 49 are supported by the support shaft portion 48, so that the locking claw portion 47 is pushed and expanded by the shaft leg portion 22. When 45 is elastically deformed, the position of the base side 49 is not changed, and the locking claw portion 47 at the upper end is pushed and expanded in a direction intersecting with the insertion direction of the shaft leg portion 22. That is, the engagement claw 47 can deepen the degree of engagement and firmly retain the female member 40 without changing the size of the female member 40 in the direction in which the female member 40 is pushed and spread.

  According to the first embodiment, the shaft support portion 48 is substantially rod-shaped, and is aligned in a direction intersecting the direction from the center of the flange portion 42 to the side on the same plane as the flange portion 42. Has been passed. Since the support shaft portion 48 is disposed in the space, the periphery of the base side 49 of the locking portion 45 is hollow by the opening portion 41 at the center side of the flange portion 42, and by the gap portion 50 formed on the side side. The side is also hollow. In other words, the locking portion 45 is arranged in the hollow by being connected to the support shaft portion 48 in the hollow. When the locking portion 45 is elastically deformed, the support shaft portion 48 is twisted, and the locking portion 45 is pushed and spread in the direction intersecting the insertion direction of the shaft leg portion 22 with the support shaft portion 48 as an axis. Engage with. Therefore, the degree of engagement can be deepened and firmly held. Moreover, since the circumference | surroundings of the base side 49 are hollow and the both sides of the base side 49 are supported by two points, the base part 49 is easy to move in the latching | locking part 45 in a hollow. That is, even when the locking portion 45 is formed short and is difficult to bend and hardly elastically deforms, the base side 49 is easy to move. As a result, the locking portion 45 is easily elastically deformed. Therefore, even when the locking portion 45 is formed short, the locking portion 45 can be easily elastically deformed.

  Further, as described above, since the degree of engagement of the fastener 10 is deep, the fastening portion 26 of the male member 20 and the locking portion 45 of the female member 40 engage with each other, so that the fastener 10 stays firmly. That is, since it is not necessary to engage the shaft leg portion 22 of the male member 20 and the leg piece portion 44 of the female member 40, according to the first embodiment, the depressed side surface of the shaft leg portion 22 of the male member 20. No. 23 is formed so that each “V” -shaped surface is flat and has no irregularities. With this configuration, even if foreign matter such as gravel is sandwiched between the shaft leg portion 22 and the leg piece portion 44, the foreign matter is caught because the foreign matter slides on each flat surface of the depressed side surface 23. Is deterred.

  Further, even if the degree of elastic deformation of the leg piece portion 44 is weakened by creep, the surfaces of the recessed side surface 23 of the shaft leg portion 22 are flat, and the shaft leg portion 22 and the leg piece are flat. Since the portion 44 is not engaged, creep does not affect the degree of engagement. That is, the leg piece portion 44 affected by creep is not engaged, but the engaging portion 45 protruding upward is engaged with the engaged portion 26 so that the male member 20 and the female member 40 are engaged. Because they merge, the effects of creep can be avoided.

  According to the first embodiment, in the projecting side surface 25 of the shaft leg portion 22, as a step formed between the temporary fastening projection 28 and a projecting side surface 25 in which a part of the lower side projects toward the side, Temporary fastening portions 27 are formed. With this configuration, the shaft leg portion 22 of the male member 20 is inserted partway into the opening 41 of the female member 40, and the female member 40 is inserted into the temporarily-fastened locked portion 27 of the locked portion 26 of the male member 20. The locking claw portion 47 of the locking portions 45 is temporarily engaged. Therefore, the male member 20 and the female member 40 can be combined and handled in a temporarily fastened state, and the performance of the mounting operation can be improved.

  According to the first embodiment, the main fastening protrusion 30 (main fastening latched portion 29) and the temporary fastening projection 28 (temporary fastening latched portion 27) are arranged with a gap in the vertical direction, The shaft legs 22 are arranged so as to be shifted around the axis. With this configuration, it is possible to mold with a so-called two-surface mold.

  According to the first embodiment, the head portion 21 of the male member 20 is cut out from the edge toward the center to form the storage portion 31. The locking portion 45 engaged with the locked portion 26 is disposed and stored in the storage portion 31. That is, since the latching part 45 is arrange | positioned in the accommodating part 31, it does not become bulky. Therefore, it can contribute to size reduction.

  Next, the fastener which concerns on 2nd embodiment of this invention is demonstrated based on drawing. FIG. 5 shows the appearance of the fastener 110 according to the second embodiment of the present invention. FIG. 6 shows the male member 120 of the fastener 110 according to the second embodiment of the present invention, and FIG. 7 shows the female member 140 of the fastener 110. In the following description, only the configuration different from the first embodiment is described, and the description of the same configuration is omitted.

  In the fastener 110 according to the second embodiment shown in FIG. 5, the male member 120 (see FIG. 6) in which the shaft leg portion 122 is formed below the head 121 and the shaft leg portion 122 are inserted. It comprises a female member 140 (see FIG. 7) in which a flange 142 is formed at the edge of the opening 141 and a leg piece 144 is formed.

  As shown in FIG. 6, the head 121 of the male member 120 has a lower surface cut away to form a storage portion 131. The storage portion 131 is a space in which the locking portion 145 of the female member 140 is disposed, and is formed at two locations on the head 121 in the same straight line.

  The shaft leg portion 122 of the male member 120 has a locked portion 126 formed on the side surface. The locked portion 126 includes a temporary locking locked portion and a second locking portion 127 formed on the lower side of the shaft leg portion 122, and a main locking locked portion 129 formed on the head 121 side. It is composed of The main fastening latched portion 129 and the temporary fastening latched portion / second latching portion 127 are arranged with a gap in the vertical direction and arranged on the same line.

  As shown in FIG. 7, the locking portions 145 of the female member 140 are formed at two locations facing each other and aligned in the same straight line. The leg piece 144 of the female member 140 is formed so as to protrude downward from the edge of the opening 141. The lower end of the leg piece portion 144 is formed to protrude in a “V” shape toward the inside, and a second locking portion 128 is formed at the tip toward the inside. Further, the leg piece portions 144 are formed at four positions at equal intervals along the edge of the opening portion 141.

  As described above, the fastener 110 according to the second embodiment is configured. Other configurations are the same as those in the first embodiment.

  Next, the usage method of the fastener 110 which concerns on 2nd embodiment is demonstrated. In FIG. 5, the fastener 110 is in a temporarily secured state. When the shaft leg portion 122 is inserted, the provisionally locked portion to be locked and the second locking portion 127 come into contact with the locking claw portion 147 of the locking portion 145, and the locking portion 145 is connected to the shaft leg portion 122. It is expanded in the direction intersecting the insertion direction and elastically deformed. After the locking portion 145 is spread out, the locking portion 145 returns to its original state and engages with the temporarily fastened locked portion and the second locked portion 127.

  From this state, the male member 120 is further pushed in to change to the final fastening state. In the final fastening state, the locking portion 145 that has been pushed and expanded elastically in a direction intersecting the insertion direction of the shaft leg portion 122 returns to its original state and engages with the final locking portion 129. The engaged locking portion 145 is disposed and stored in the storage portion 131 of the head 121. Further, the leg piece portion 144 of the female member 140 is expanded and elastically deformed in a direction intersecting the insertion direction of the shaft leg portion 122, and the second locking portion 128 is included in the shaft leg portion 122 of the male member 120. Then, it engages with the temporarily fastened latched portion and the second latched portion 127.

  As described above, according to the second embodiment, the final locking portion 129 and the temporary locking locked portion / second locking portion 127 of the male member 120, the locking portion 145 of the female member 140, and the second locking portion 127. The male member 120 and the female member 140 are united by the engagement of the two locking portions 128. Therefore, it can be kept more firmly.

  Next, the fastener which concerns on 3rd embodiment of this invention is demonstrated based on drawing. 8 shows the appearance of the fastener 210 according to the third embodiment of the present invention, FIG. 9 shows the appearance of the male member 220 of the fastener 210, and FIG. 10 shows the female member 240 of the fastener 210. It is shown. In the following description, only the configuration different from the first embodiment is described, and the description of the same configuration is omitted.

  In the fastener 210 according to the third embodiment shown in FIG. 8, a male member 220 (see FIG. 9) in which a shaft leg portion 222 is formed below the head 221 and the shaft leg portion 222 are inserted. It is comprised from the female member 240 (refer FIG. 10) in which the flange part 242 was formed in the edge of the opening part 241, and the leg piece part 244 was formed.

  As shown in FIG. 9, the head 221 of the male member 220 has a locking portion 245 formed at the edge. The locking portion 245 includes a locking piece portion 246 that protrudes downward on the flange portion 242 side of the female member 240 on which the locked portion 226 is formed, and a lower end that is the tip of the locking piece portion 246. And a support claw portion 247 that supports both sides of the base side 249 of the locking piece portion 246. The support shaft portion 248 is passed to the space by forming the head gap 251 formed in the vicinity of the edge of the head 221. The locking portions 245 are formed at three locations along the edge of the head 221 at equal intervals.

  As shown in FIG. 10, a locked portion 226 is formed on the flange portion 242 of the female member 240. The locked portion 226 is substantially rod-shaped and is passed to the space. Since the locked portion 226 is disposed in the space, the center side of the flange portion 242 is hollow by the opening 241 and the side is hollow by the gap portion 250 formed on the side. . With this configuration, the locked portion 226 is elastically deformed in a direction intersecting the insertion direction of the shaft leg portion 222 of the male member 220.

  As described above, the fastener 210 according to the third embodiment is configured.

  Next, the usage method of the fastener 210 which concerns on 3rd embodiment is demonstrated. In FIG. 8, the fastener 210 is in a fully-fastened state. In the main fastening state, when inserted into the gap 250, the locking portion 245 that has been pushed and expanded in a direction intersecting the insertion direction of the shaft leg portion 222 and elastically deformed returns to the original state and is locked. Engage with. Other configurations are the same as those of the first embodiment.

  As mentioned above, although embodiment of this invention was explained in full detail, this invention is not limited to the said embodiment. The present invention can be modified in various ways without departing from the scope of the claims.

10, 110, 210 Fastener 20, 120, 220 Male member 21, 121, 221 Head portion 22, 122, 222 Shaft leg portion 23 Sink side surface 24 Shaft leg lower end portion 25 Projecting side surface 26, 126, 226 Locked portion 27 Temporary fastening portion 28 Temporary fastening protrusion 29,129 Main fastening portion 30 This fastening protrusion 31,131 Storage portion 40,140,240 Female member 41,141 Opening portion 42,142,242 Flange portion 43 Side wall portion 44, 144 Leg piece portion 45, 145, 245 Locking portion 46, 246 Locking piece portion 47, 147, 247 Locking claw portion 48, 248 Support shaft portion 49, 249 Base side 50, 250 Gap portion 127 Temporary Fastening locked portion and second locking portion 128 Second locking portion 251 Head gap

Claims (5)

A male member having a shaft leg formed below the head;
A flange portion is formed at the edge of the opening into which the shaft leg portion is inserted, and a female member is formed with a leg piece portion formed below the flange portion.
Each of the head portion and the flange portion is formed with either a locking portion or a locked portion that engage with each other, and the male member and the female member are combined to restrain the mounted member. In
Of the shaft leg portion, the side surface facing the inside of the leg piece portion is formed flat,
The locking portion is
A locking piece portion protruding toward the head portion or the flange portion where the locked portion is formed;
A locking claw formed at the tip of the locking piece,
It is composed of support shafts that support both sides of the base side of the locking piece,
The locking portion is elastically deformed in a direction intersecting an insertion direction of the shaft leg portion with the support shaft portion as an axis;
A fastener characterized by that. On the base side of the locking portion, the support shaft portion is connected and the periphery is formed hollow.
The fastener according to claim 1, wherein: The locked portion is formed of the male member, and includes a temporary locking locked portion formed on the lower side of the shaft leg portion, and a main locking locked portion formed on the head side. Was
The fastener according to claim 1 or 2, characterized by the above-mentioned. The temporary fastening latched portion and the main fastening latched portion are arranged to be shifted around the axis of the shaft leg portion ,
Fasteners described in 請 Motomeko 3 you wherein a. A storage part in which the locking part is disposed is formed in the head part or the flange part .
The fastener according to claim 1 or 2 , characterized by the above-mentioned.