JP2021156133A - Hinge, door, and method of assembling door - Google Patents

Abstract

To provide a hinge, a door, and a method of assembling the door with improved assembly workability.SOLUTION: A door includes a frame body, a door body, and a hinge for connecting the door body to the frame body in a rotatable manner. The hinge has: a frame body side hinge 2, with a cylindrical frame body side shaft 21, fixed to the frame body; a door body side hinge 3, with a cylindrical door body side shaft 31, fixed to the door body; and a shaft body 5 inserted into the frame body side shaft 21 and the door body side shaft 31. The door body side shaft 31 is provided above the frame body side shaft 21, and further has a cylindrical positioning member 4 that is provided between the frame body side shaft 21 and the door body side shaft 31 to place them coaxially.SELECTED DRAWING: Figure 2

Description

The present invention relates to hinges, doors, and door assembly methods.

Conventionally, hinges have been used to connect the vertical frame of the frame body and the side edge of the door body to support the door body (see, for example, Patent Document 1). The hinge disclosed in Patent Document 1 has a frame-side hinge fixed to the vertical frame of the frame body, a door-side hinge fixed to the side end edge of the door body, and a shaft rod. It is configured. The frame-side hinge is configured to have a cylindrical frame-side rotation shaft and a frame-side blade portion for fixing the frame-side rotation shaft to the frame body. The door-side hinge is configured to have a cylindrical door-side rotation shaft and a door-side blade portion for fixing the door-side rotation shaft to the door body. The shaft rod is configured to be insertable into the frame-side rotating shaft and the door-side rotating shaft. The shaft dimension of this shaft rod is formed so as to be longer than the shaft dimension of the frame-side rotating shaft.

FIG. 20 is a diagram illustrating a state in which the door body is assembled to the frame body using a conventional hinge. When assembling the door body 30 to the frame body 20 using the conventional hinge 200, as shown in FIG. 20, the shaft rod 205 is inserted into the frame side rotating shaft 221 of the frame side hinge 202, and the frame. A part 205A of the shaft rod 205 is projected above the side rotation shaft 221 so that the frame side blade portion 222 is formed on the frame body 20 so that the shaft rod 205 is oblique to the vertical frame 20C of the frame body 20. Temporarily fix it to the vertical frame 20C. Then, the door-side blade portion 232 of the door-side hinge 203 is fixed to the side end edge 300 of the door body 30, and the door-side rotation shaft 231 is attached to the portion 205A protruding from the frame-side rotation shaft 221 of the shaft rod 205. Is inserted diagonally. After that, the side edge 300 of the door body 30 is brought close to the vertical frame 102C of the frame body 20, and the frame side rotating shaft 221 and the door side rotating shaft 231 and the shaft rod 205 are moved to the vertical frame 102C of the frame body 20. The frame side blade portion 222 is finally fixed to the vertical frame 102C of the frame body 20 at a position parallel to the frame body 20. In this way, the door body 30 is assembled to the frame body 20 by using the conventional hinge 200.

Japanese Unexamined Patent Publication No. 7-82947

However, when assembling the door body to the frame using the conventional hinge, the shaft rod is inserted into the frame side rotation shaft of the frame side hinge, and a part of the shaft rod is placed above the frame side rotation shaft. It was necessary to project the door-side rotating shaft diagonally into a portion of the shaft rod protruding from the frame-side rotating shaft (hereinafter referred to as a protruding portion), resulting in poor assembly workability.

An object of the present invention is to provide a hinge, a door, and a method for assembling a door with improved assembling workability.

The above object is solved by the following invention.
That is, the present invention is a door including a frame body, a door body, and a hinge for rotatably connecting the door body to the frame body, and the hinge is tubular. A frame side hinge having a frame side shaft portion and being fixed to the frame body, a door body side hinge having a tubular door body side shaft portion and being fixed to the door body, and the frame body side shaft portion. And a shaft body to be inserted into the door body side shaft portion, and the door body side shaft portion is provided above the frame body side shaft portion, and is between the frame body side shaft portion and the door body side shaft portion. It is characterized in that it further has a tubular positioning member provided in the door and arranges the two coaxially, and the shaft body is configured to be insertable into the positioning member.

According to the present invention as described above, the frame body side shaft portion and the door body side shaft portion are coaxially arranged by providing the cylindrical positioning member. According to this, unlike the prior art, the shaft rod is inserted into the frame side rotating shaft in advance, the lower end of the door body side shaft portion is lifted to the tip of the shaft rod, and the door body side shaft portion is not inserted into the shaft rod. In both cases, the frame body side shaft portion and the door body side shaft portion are coaxially arranged by the positioning member, and the shaft body can be inserted into the frame body side shaft portion, the positioning member, and the door body side shaft portion. Therefore, it is not necessary to lift the door body side shaft portion to the tip of the shaft body, and further, when assembling the door body to the frame body, the door body side shaft portion can be deposited in the positioning member, and the worker once has the door body. It may also be possible to take your hand off the door. According to this, it is possible to improve the assembling workability.

Further, by providing the cylindrical positioning member, the frame body side shaft portion and the door body side shaft portion are coaxially arranged. According to this, as in the prior art, the door body side is provided by the positioning member without temporarily fixing the frame side blade portion to the vertical frame of the frame body so that the shaft rod is slanted with respect to the vertical frame of the frame body. Since the shaft portion and the frame body side shaft portion can be arranged coaxially, assembly workability can be improved.

Further, in the present invention, it is preferable that the positioning member has an insertion receiving portion into which the lower end portion of the door body side shaft portion can be inserted. According to this, by inserting the lower end portion of the door body side shaft portion into the insertion receiving portion, it is possible to prevent the door body side shaft portion from falling off from the positioning member.

Further, in the present invention, the insertion receiving portion has an upright portion that is erected from the installation surface on which the lower end portion of the door body side shaft portion is installed and can support the lower end portion of the door body side shaft portion. Is preferable. According to this, it is possible to prevent the lower end portion of the door body side shaft portion from falling off. In addition, when assembling the door body to the frame body, the door body side shaft portion is deposited at the upper end of the standing portion, and in this state, the door body side shaft portion is slid to make the lower end portion of the door body side shaft portion standing portion. Since it can be inserted into the door, the assembly workability can be further improved.

The present invention is the method for assembling a chord according to claim 3, wherein the positioning member is installed on the frame side shaft portion, and the door body side is on the standing portion of the positioning member. The door body side shaft portion installation step of engaging the lower end portion of the shaft portion to install the door body side shaft portion on the positioning member, and the shaft body on the frame body side shaft portion, the positioning member, and the door body side shaft portion. It is characterized in that it is provided with a shaft body insertion step for inserting the door.

According to the present invention as described above, the shaft body insertion step of inserting the shaft body into the frame body side shaft portion, the positioning member and the door body side shaft portion is performed after the positioning member installation step and the door body side shaft portion installation step. As a result, it is not necessary to lift the door body side shaft part to the tip of the shaft body, and when the door body is assembled to the frame body, the door body side shaft part can be deposited in the positioning member. It may also be possible to take your hand off the door. According to this, it is possible to improve the assembling workability.

On the other hand, the present invention is a hinge for rotatably connecting the door body to the frame body, and has a tubular frame body side shaft portion and is fixed to the frame body side hinge. The door has a door hinge having a tubular door body side shaft portion and is fixed to the door body, and a shaft body inserted into the frame body side shaft portion and the door body side shaft portion. The body side shaft portion is provided above the frame body side shaft portion, and the frame body side shaft portion is erected from an installation surface on which the lower end portion of the door body side shaft portion is installed, and the lower end portion of the door body side shaft portion is installed. It is characterized by having an upright part that can support the part.

According to the present invention as described above, by inserting the lower end portion of the door body side shaft portion into the erecting portion of the frame body side shaft portion, it is possible to prevent the door body side shaft portion from falling off from the frame body side shaft portion. In addition, when assembling the door body to the frame body, the door body side shaft portion is deposited at the upper end of the standing portion, and in this state, the door body side shaft portion is slid to make the lower end portion of the door body side shaft portion standing portion. Since it can be inserted into the door, the workability of assembly can be improved.

According to the present invention, it is possible to improve the assembling workability.

It is a top view which shows the entrance door to which the hinge which concerns on 1st Embodiment of this invention is applied. It is a perspective view which shows the said hinge. It is a figure which shows the said hinge, and is the top view which shows a partial cross section. It is a figure which shows the main part of the hinge. It is a perspective view which shows the frame body side shaft part which constitutes the hinge, the positioning member, and the door body side shaft part. It is a figure which shows by disassembling the shaft part which constitutes the hinge. (A) and (B) are diagrams for explaining the procedure of assembling the door body to the frame body using the hinge. It is a figure which shows the main part of the hinge which concerns on 2nd Embodiment of this invention. It is a perspective view which shows the frame body side shaft part and the door body side shaft shown in FIG. It is a figure which shows the hinge which concerns on the modification of this invention, and is the top view which shows a partial cross section. It is a figure which shows by disassembling the shaft part which constitutes the hinge. It is a figure which shows the hinge which concerns on the other modification of this invention, and is the top view which shows the partial cross section. It is a figure which shows by disassembling the shaft part which constitutes the hinge. It is a figure which shows the hinge concerning still another modification of this invention, and is the top view which shows the partial cross section. It is a figure which shows by disassembling the shaft part which constitutes the hinge. It is a figure which shows the hinge concerning still another modification of this invention, and is the top view which shows the partial cross section. It is a figure which shows by disassembling the shaft part which constitutes the hinge. It is a figure which shows the hinge concerning still another modification of this invention, and is the top view which shows the partial cross section. It is a figure which shows by disassembling the shaft part which constitutes the hinge. It is a figure for demonstrating the state of assembling a door body to a frame body using a conventional hinge.

(First Embodiment)
Hereinafter, the entrance door (door) according to the first embodiment of the present invention will be described with reference to FIGS. 1 to 7.

As shown in FIG. 1, the entrance door 10 includes a frame body 20, a door body 30, and a hinge 1 for rotatably connecting the door body 30 to the frame body 20. It is configured. The frame body 20 is fixed to the outer wall opening W, has an upper frame 20A, a lower frame 20B, and left and right vertical frames 20C and 20D, and is configured to have a four-circumferential framework. The door body 30 has a predetermined thickness and is formed in a plate shape. In the following, the direction in which the upper frame 20A and the lower frame 20B extend may be referred to as "horizontal direction", and the direction in which the vertical frames 20C and 20D extend may be referred to as "vertical direction". In this embodiment, three hinges (plurality) are provided. The three hinges 1 are provided at intervals in the vertical direction while connecting the vertical frame 21C of the frame body 20 and the side edge 300 of the door body 30.

As shown in FIGS. 2 and 3, each hinge 1 includes a frame side hinge 2, a door body side hinge 3 provided above the frame body side hinge 2, a frame body side hinge 2, and a door body side hinge. It is configured to include a positioning member 4 provided between the three and a shaft body 5. In the present embodiment, the configuration of the frame body side hinge 2 and the configuration of the door body side hinge 3 have substantially the same shape except for the notch portion 23 (shown in FIG. 2) of the frame body side hinge 2 (described later). It is configured to be.

As shown in FIGS. 2 and 3, the frame side hinge 2 has a cylindrical frame side shaft portion 21 extending in the vertical direction and a plate-shaped frame body side blade portion fixed to the vertical frame 20C of the frame body 20. 22 and. The frame body side blade portion 22 is configured to have a rectangular plate-shaped blade portion main body 6 and four screw holes 7 penetrating the blade portion main body 6. The long side of the blade portion main body 6 is formed to have a dimension substantially equal to the vertical dimension of the frame body side shaft portion 21, and is continuous with the outer peripheral surface of the frame body side shaft portion 21.

As shown in FIGS. The notch portion 23 is formed by notching a part of the upper end edge of the frame body side shaft portion 21. Further, in the present embodiment, a pair of notch portions 23 are provided at positions facing each other with the center of the frame body side shaft portion 21 interposed therebetween. By engaging the protruding portion 43 of the positioning member 4 with such a notch portion 23, the rotation of the positioning member 4 with respect to the frame body side shaft portion 21 is suppressed.

As shown in FIGS. 2 and 3, the door body side hinge 3 has a cylindrical door body side shaft portion 31 extending in the vertical direction and a plate-shaped door body side blade fixed to the side end edge 300 of the door body 30. It is configured to have a part 32 and. The inner diameter dimension and the outer diameter dimension of the door body side shaft portion 31 are formed to be substantially the same as the inner diameter dimension and the outer diameter dimension of the frame body side shaft portion 21. The door body side blade portion 32 is configured to have a rectangular plate-shaped blade portion main body 6 and four screw holes 7 penetrating the blade portion main body 6. The long side of the blade portion main body 6 is formed to have a dimension substantially equal to the vertical dimension of the frame body side shaft portion 21, and is continuous with the outer peripheral surface of the door body side shaft portion 31.

As shown in FIG. 5, the positioning member 4 has an installation surface 40 on which the lower end portion 31b of the door body side shaft portion 31 is installed, and is installed on the plate-shaped and annular positioning portion main body 41 and the positioning portion main body 41. It is configured to have an upright portion 42 (insertion receiving portion) erected in a cylindrical shape from the surface 40, and a pair of projecting portions 43, 43 provided so as to project downward from the positioning portion main body 41. .. The inner diameter of the positioning portion main body 41 is formed to be substantially the same as the inner diameter of each of the frame body side shaft portion 21 and the door body side shaft portion 31. Further, the outer diameter dimension of the positioning portion main body 41 is formed so as to be larger than the outer diameter dimension of the door body side shaft portion 31 by the thickness of the peripheral wall of the upright portion 42.

The vertical portion 42 is formed so that the inner diameter dimension is substantially the same as the outer diameter dimension of the door body side shaft portion 31, and the lower end portion 31b of the door body side shaft portion 31 can be inserted. By inserting the lower end portion 31b of the door body side shaft portion 31 into such an upright portion 42, the door body side shaft portion 31 is prevented from falling off from the positioning member 4.

The pair of projecting portions 43, 43 are provided at positions facing each other with the center of the positioning portion main body 41 interposed therebetween.

As shown in FIGS. 3 and 6, the shaft body 5 is fixed to the shaft body 51, the lower cap portion 52 fixed to the lower end portion of the frame body side shaft portion 21 of the frame body side hinge 2, and the frame body side shaft portion 21. The upper cap portion 53 for suppressing the intrusion of dust into the door body side shaft portion 31 is provided. The shaft main body 51 is formed so that the outer diameter dimension is smaller than the inner diameter dimensions of the frame body side shaft portion 21, the positioning portion main body 41, and the door body side shaft portion 31, and the frame body side shaft portion 21 and the positioning portion main body 41 are formed. , And can be inserted into the door body side shaft portion 31. At the upper end of the shaft body 51, a tapered 510 that tapers upward is formed. At the lower end of the shaft body 51, a shaft side step portion 511 formed by cutting out a part thereof is formed.

The lower cap portion 52 has a lower cylindrical portion 520 that can be press-fitted into the frame body side shaft portion 21 and a lower end surface of the door body side shaft portion 31 that extends radially outward from the lower end of the lower tubular portion 520. It is configured to have a lower flange-shaped portion 521 that can come into contact with the door. The lower cylindrical portion 520 is provided with a cap side step portion 522 that can be fitted to the shaft side step portion 511 of the shaft body 51.

The upper cap portion 53 is formed so as to extend radially outward from the upper end of the upper cylindrical portion 530 that can be press-fitted into the door body side shaft portion 31 and the upper end of the upper tubular portion 530 and hit the upper end surface of the door body side shaft portion 31. It is configured to have an upper flange-shaped portion 531 that can be contacted.

Next, the procedure for assembling the entrance door 10 including the hinge 1 will be described with reference to FIGS. 7A and 7B.

First, the blade main body 6 of each frame side hinge 2 is arranged in advance at three predetermined positions in the vertical frame 20C of the frame body 20, and bolts (not shown) are screwed into the four screw holes 7. Then, each frame body side blade portion 22 is fixed to the vertical frame 20C. Further, the blade body 6 of each door hinge 3 is arranged at three predetermined positions on the side edge 300 of the door body 30, and bolts (not shown) are screwed into the four screw holes 7. , The door body side blade portion 32 is fixed to the side end edge 300 of the door body 30.

Next, as shown in FIG. 7A, the pair of protruding portions 43, 43 of the positioning member 4 are brought close to the cutout portion 23 of the frame body side shaft portion 21, and each protruding portion 43 is engaged with each cutout portion 23. Together, the positioning member 4 is installed on the frame side shaft portion 21 (positioning member installation step).

After that, the lower end portion 31b of the door body side shaft portion 31 is placed close to the upper end of the standing portion 42 of the positioning member 4, and in this state, the door body side shaft portion 31 is slid to lower the lower end portion of the door body side shaft portion 31. The portion 31b is inserted into the upright portion 42. In this way, the lower end portion 31b of the door body side shaft portion 31 is installed on the installation surface 40 of the positioning member 4 (door body side shaft portion installation step). By providing the positioning member 4 in this way, the door body 30 to which the door body side hinge 3 is fixed can be deposited in the positioning member 4, and further, the worker once hands from the door body 3. It may also be possible to separate them. In this way, the frame body side shaft portion 21, the positioning member 4, and the door body side shaft portion 31 are coaxially arranged.

Then, the shaft side step portion 511 of the shaft body 51 of the shaft body 5 and the cap side step portion 522 of the lower cap portion 52 are fitted, and the tip detail 510 of the shaft body 51 is set to the lower end of the frame body side shaft portion 21. Bring it closer to the part and insert it upward (shaft body insertion step). Then, the lower cylindrical portion 520 of the lower cap portion 52 is press-fitted into the frame body side shaft portion 21 to bring the lower flange portion 521 into contact with the lower end surface of the frame body side shaft portion 21. As a result, the lower cap portion 52 is fixed to the frame body side shaft portion 21.

Finally, the upper cylindrical portion 530 of the upper cap portion 53 is press-fitted into the door body side shaft portion 31, and the upper flange portion 531 is brought into contact with the upper end surface of the door body side shaft portion 31. As a result, the upper cap portion 53 is fixed to the door body side shaft portion 31. The upper cap portion 53 closes the opening on the upper side of the door body side shaft portion 31. Then, as shown in FIG. 7B, hinge 1 is assembled. In the hinge 1, the frame body side shaft portion 21, the positioning member 4, and the shaft body 5 are provided so as not to be rotatable, and the door body side shaft portion 31 is provided so as to be rotatable with respect to the positioning member 4 and the shaft body 5. Be done. As a result, the door body 30 is rotatably connected to the frame body 20 fixed to the outer wall opening W to assemble the entrance door 10.

According to the above-described embodiment, the frame body side shaft portion 21 and the door body side shaft portion 31 are coaxially arranged by providing the positioning member 4. According to this, the frame body side shaft portion 21 and the door body side shaft portion 31 are arranged coaxially, and the shaft body 5 can be inserted into the frame body side shaft portion 21, the positioning member 4, and the door body side shaft portion 31. Therefore, it is not necessary to lift the door body side shaft portion 31 to the tip of the shaft body 5, and when the door body 30 is assembled to the frame body 20, the door body side shaft portion 31 can be deposited in the positioning member 4, and further, the work It may be possible for the member to temporarily take his / her hand off the door body 30. According to this, it is possible to improve the assembling workability.

Further, the positioning member 4 has an upright portion 42 that is erected from the installation surface 40 on which the lower end portion 31b of the door body side shaft portion 31 is installed and can support the lower end portion 31b of the door body side shaft portion 31. There is. According to this, by inserting the lower end portion 31b of the door body side shaft portion 31 into the upright portion 42 of the positioning member 4, it is possible to prevent the door body side shaft portion 31 from falling off from the positioning member 4.

Further, by performing the shaft body insertion step of inserting the shaft body 5 into the frame body side shaft portion 21, the positioning member 4 and the door body side shaft portion 31 after the positioning member installation step and the door body side shaft portion installation step, the door body side It is no longer necessary to lift the shaft portion 31 to the tip of the shaft body 5, and when the door body 30 is assembled to the frame body 20, the door body side shaft portion 31 can be deposited in the positioning member 4. According to this, it is possible to improve the assembling workability.

In the above-described embodiment, the positioning member 4 is configured to include an upright portion 42 (insertion receiving portion) erected in a cylindrical shape from the installation surface 40 of the positioning portion main body 41. Is not limited to this. The insertion receiving portion may be configured to have a concave groove-shaped portion formed on the upper surface of the positioning portion main body in a concave groove shape so that the lower end portion 31b of the door body side shaft portion 31 can be inserted. That is, it suffices that the lower end portion 31b of the door body side shaft portion 31 is inserted into the concave groove-shaped portion to prevent the door body side shaft portion 31 from falling off from the positioning member 4.

(Second Embodiment)
Hereinafter, hinge 11 according to the second embodiment of the present invention will be described with reference to FIGS. 8 and 9. As shown in FIGS. 8 and 9, the hinge 11 according to the second embodiment includes a frame side hinge 12, a door body side hinge 3 provided above the frame side hinge 12, and a shaft body 5 (FIG. 5). 6) and. The hinge 11 of the second embodiment and the hinge 1 of the first embodiment differ only in the configurations of the frame side hinges 2 and 12.

As shown in FIGS. 8 and 9, the frame body side hinge 12 includes a frame body side shaft portion 121 extending in the vertical direction, a plate-shaped frame body side blade portion 22 fixed to the vertical frame 20C of the frame body 20, and a plate-shaped frame body side blade portion 22. It is configured to have. The frame body side shaft portion 121 includes a cylindrical shaft portion main body 122 and a positioning portion 123 provided above the shaft portion main body 122. The positioning portion 123 has an installation surface 140 on which the lower end portion 31b of the door body side shaft portion 31 is installed, and stands in a cylindrical shape from the plate-shaped and annular positioning portion main body 141 and the installation surface 140 of the positioning portion main body 141. It is configured to have an upright portion 142 provided. That is, the frame body side shaft portion 121 includes an installation surface 140 on which the lower end portion 31b of the door body side shaft portion 31 is installed, and an upright portion 142. According to this, substantially the same effect as that of the first embodiment is achieved.

The present invention is not limited to the above-described embodiment, but includes other configurations and the like that can achieve the object of the present invention, and the following modifications and the like are also included in the present invention.

In the above embodiment, the lower cap 52 and the upper cap 53 are configured such that the cylindrical portions 520 and 530 are press-fitted into the shaft portions 21 and 31 and fixed to the same. It is not limited. The lower cap 52 and the upper cap 53 may be fixed to the shaft portions 21 and 31 by using a well-known fixing method such as welding or adhesion.

Further, in the above-described embodiment, the shaft body 5 has a shaft side step portion 511 formed at the lower end portion of the shaft body 51, and can be fitted to the shaft side step portion 511 of the shaft body 51 at the upper end portion of the lower cap portion 52. The cap side step portion 522 is formed, but the present invention is not limited thereto. The shaft side step portion 511 and the cap side step portion 522 that can be fitted to the shaft side step portion 511 may be omitted.

Further, in the above embodiment, the lower cap portion 52 has a lower cylindrical portion 520 that can be press-fitted into the frame body side shaft portion 21, and the lower tubular portion 520 is press-fitted into the frame body side shaft portion 21 to lower the lower cap portion 52. The cap portion 52 is configured to be fixed to the frame body side shaft portion 21, but the present invention is not limited thereto. As shown in FIGS. 10 and 11, a male screw 523 is cut on the outer peripheral surface of the lower cylindrical portion 520, and a female screw 22 screwable to the male screw 523 is cut on the inner peripheral surface of the frame body side shaft portion 21 to cut the lower cap. The portion 52 may be fixed to the frame body side shaft portion 21. When the lower cap portion 52 is fixed to the frame body side shaft portion 21, the shaft side step portion 511 of the shaft body 51 of the shaft body 5 and the cap side step portion 522 of the lower cap portion 52 are fitted together. The tip detail 510 of the shaft body 51 is brought close to the lower end portion of the frame body side shaft portion 21 and inserted upward. After that, the male screw 523 of the lower cylindrical portion 520 and the female screw 22 of the frame body side shaft portion 21 may be screwed together so that the lower cap portion 52 is fixed to the frame body side shaft portion 21. At this time, in order to facilitate the rotation of the lower cap portion 52 with respect to the frame body side shaft portion 21, the lower collar-shaped portion 521A may be formed so as to be a hexagonal column (hexagonal in plan view). ..

Further, in the above embodiment, a male screw 523 is cut on the outer peripheral surface of the lower tubular portion 520 of the lower cap portion 52, and a female screw 22 screwable to the male screw 523 is cut on the inner peripheral surface of the frame body side shaft portion 21. The lower cap portion 52 is configured to be fixed to the frame body side shaft portion 21, but the present invention is not limited to this. As shown in FIGS. 12 and 13, the hesopin screw 8 is further provided, and the hesopin screw 8 is configured to penetrate the peripheral wall of the frame body side shaft portion 21 and abut on the shaft body 51 inserted into the frame body side shaft portion 21. It may have been. In this case, the shaft body 51 and the lower cap portion 52 may be integrally configured.

In this case, the tip detail 510 of the shaft main body 51 is inserted closer to the lower end portion of the frame body side shaft portion 21 and inserted upward. After that, the male screw 523 and the female screw 22 of the frame body side shaft portion 21 are screwed, and the hesopin screw 8 is screwed through the peripheral wall of the frame body side shaft portion 21 until it comes into contact with the shaft body 51, and the shaft is screwed. The main body 51 may be fixed to the frame body side shaft portion 21. In this way, by screwing the hinge screw 8 through the peripheral wall of the frame body side shaft portion 21 to a position where it comes into contact with the shaft body 51, it becomes difficult to release the screwing between the male screw 523 and the female screw 22, and the shaft When the main body 51 falls off, the frame body side hinge 2 and the door body side hinge 3 are difficult to be disassembled. Thereby, the crime prevention property can be improved.

Further, in the above embodiment, the male screw 523 and the female screw 22 are formed, and these are screwed together so that the shaft body 51 is fixed to the frame body side shaft portion 21, but the present invention is limited thereto. It is not something that is done. As shown in FIGS. 14 and 15, the male screw 523 and the female screw 22 are not formed, and as shown in FIGS. It is configured to abut on the inserted shaft body 51, the hesopin screw 9 penetrates the peripheral wall of the door body side shaft portion 31, and the tip of the hesopin screw 9 faces the small diameter portion 512 of the shaft body 51. You may. According to this, the shaft main body 51 is prevented from coming off, the shaft main body 51 falls off, and the frame body side hinge 2 and the door body side hinge 3 are hard to be disassembled. Thereby, the crime prevention property can be improved.

Further, in the above embodiment, the shaft body 5 is fixed to the shaft body 51, the lower cap portion 52 fixed to the lower end portion of the frame body side shaft portion 21 of the frame body side hinge 2, and the frame body side shaft portion 21. The present invention is not limited to this, although the upper cap portion 53 for suppressing the intrusion of dust into the door body side shaft portion 31 is provided. As shown in FIGS. 16 and 17, the shaft body 51 and the upper cap portion 53 may be integrally configured. Then, the shaft side step portion 511 of the shaft body 51 of the shaft body 5 is brought close to the upper end portion of the door body side shaft portion 31 and inserted downward, and the caps of the shaft side step portion 511 and the lower cap portion 52 of the shaft body 51 are inserted. The lower cap portion 52 may be fixed to the frame body side shaft portion 21 by fitting the side step portion 522.

Further, in the above embodiment, the shaft body 51 and the upper cap portion 53 are integrally configured, but as shown in FIGS. 18 and 19, the upper cap portion 53 is fixed to the shaft body 51 by using a bolt B. It may have been.

In addition, the best configuration, method, and the like for carrying out the present invention are disclosed in the above description, but the present invention is not limited thereto. That is, the present invention is mainly illustrated and described with respect to a specific embodiment, but with respect to the above-described embodiments without departing from the technical idea of the present invention and the scope of the object. Those skilled in the art can make various modifications in shape, material, quantity, and other detailed configurations. Therefore, the description that limits the shape, material, etc. disclosed above is merely an example for facilitating the understanding of the present invention, and does not limit the present invention. Therefore, those shapes, materials, etc. The description by the name of the member which removes a part or all of the limitation such as is included in the present invention.

10 Entrance door (door)
1, 11 Hinge 2, 12 Frame side hinge 3 Door body side hinge 4 Positioning member 5 Shaft body 20 Frame body 21 Frame body side shaft part 30 Door body 31 Door body side shaft part 31b Lower end of door body side shaft part 40 Installation surface 42 Standing section

Claims (5)

A door including a frame body, a door body, and a hinge for rotatably connecting the door body to the frame body.
The hinge has a frame body side hinge having a tubular frame body side shaft portion and being fixed to the frame body, and a door body side hinge having a tubular door body side shaft portion and being fixed to the door body. It has a number and a shaft body to be inserted into the frame body side shaft portion and the door body side shaft portion.
The door body side shaft portion is provided above the frame body side shaft portion.
Further having a cylindrical positioning member provided between the frame body side shaft portion and the door body side shaft portion and arranging both coaxially.
The door is characterized in that the shaft body is configured to be insertable into the positioning member. The door according to claim 1, wherein the positioning member has an insertion receiving portion into which the lower end portion of the door body side shaft portion can be inserted. The insertion receiving portion is configured to be erected from an installation surface on which the lower end portion of the door body side shaft portion is installed and has an upright portion capable of supporting the lower end portion of the door body side shaft portion. The door according to claim 2. The door assembly method according to claim 3.
A positioning member installation process for installing the positioning member on the frame side shaft portion, and
A door body side shaft portion installation step of inserting the lower end portion of the door body side shaft portion into the standing portion of the positioning member and installing the door body side shaft portion on the positioning member.
A method for assembling a door, comprising: a shaft body inserting step of inserting the shaft body into the frame body side shaft portion, the positioning member, and the door body side shaft portion. A hinge for rotatably connecting the door body to the frame body.
A frame side hinge having a tubular frame side shaft portion and being fixed to the frame body, a door body side hinge having a tubular door body side shaft portion and being fixed to the door body, and the frame. It has a body-side shaft portion and a shaft body to be inserted into the door body-side shaft portion.
The door body side shaft portion is provided above the frame body side shaft portion.
The frame body side shaft portion is erected from an installation surface on which the lower end portion of the door body side shaft portion is installed, and has a standing portion capable of supporting the lower end portion of the door body side shaft portion. The hinge.

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