CN218325638U - Bolt installation component and steel plate connecting structure of security door - Google Patents
Bolt installation component and steel plate connecting structure of security door Download PDFInfo
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- CN218325638U CN218325638U CN202222474698.3U CN202222474698U CN218325638U CN 218325638 U CN218325638 U CN 218325638U CN 202222474698 U CN202222474698 U CN 202222474698U CN 218325638 U CN218325638 U CN 218325638U
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Abstract
The utility model discloses a bolt mounting assembly and a steel plate connecting structure of a security door, wherein the bolt mounting assembly comprises a mounting plate, N hexagon bolts and N limiting members; n first bolt through holes are formed in the mounting plate, and the N hexagon bolts respectively penetrate through the mounting plate from inside to outside and extend out of the N first bolt through holes; the bolt head of the hexagon bolt is provided with a first bottom surface far away from the screw rod, a second bottom surface close to the screw rod and six side surfaces; the N limiting components comprise limiting flanges and M anti-rotation bosses, and the limiting flanges comprise anti-rotation limiting edges and axial limiting edges; the bolt mounting assembly enables the position of the hex bolt to be locked; burglary-resisting door steel sheet connection structure includes interior steel sheet, outer steel sheet and a N nut, still includes above-mentioned bolt installation component, and this burglary-resisting door steel sheet connection structure can make interior steel sheet and outer steel sheet closely paste and link together, is difficult for appearing warping.
Description
Technical Field
The utility model relates to a burglary-resisting door, concretely relates to bolt installation component and burglary-resisting door steel sheet connection structure.
Background
In the production of the security door, after two steel plates are required to be tightly attached at a plurality of positions, the two steel plates are detachably connected together through threaded fasteners (namely bolts and nuts), but because a part of the steel plates are provided with installation surfaces for providing installation positions for the threaded fasteners and are positioned inside a cavity of the security door, and the cavity is closed, a preweld nut is usually arranged on the installation surface positioned inside the cavity, and the bolts sequentially penetrate through bolt through holes in the two steel plates and then are in threaded connection with the preweld nut, so that the two steel plates are tightly attached and connected. However, when the pre-welded nut is welded to the steel plate, the defects of nut thread deformation and steel plate thermal deformation are easy to occur, and subsequent assembly can be influenced.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a bolt mounting assembly, which can lock the position of a hexagon bolt; an object of the utility model is also to provide a burglary-resisting door steel sheet connection structure can make interior steel sheet and outer steel sheet closely paste and link together, and installation strength is high, can prevent to appear leading to the steel sheet atress to warp because of excessively screwing, need not weld hexagon bolt and nut simultaneously, can prevent that screw thread deformation and steel sheet heat altered shape from appearing.
The utility model provides a bolt mounting assembly, which comprises a mounting plate, N hexagon bolts and N limiting members;
n first bolt through holes are formed in the mounting plate, and the N hexagon bolts respectively penetrate through the mounting plate from inside to outside and extend out of the N first bolt through holes;
the bolt head of the hexagon bolt is provided with a first bottom surface far away from the screw rod, a second bottom surface close to the screw rod and six side surfaces;
the N limiting components comprise limiting flanges and M anti-rotating bosses, the limiting flanges comprise anti-rotating limiting edges and axial limiting edges, the inner sides and the outer sides of the anti-rotating limiting edges are respectively connected with the axial limiting edges and the mounting plate, the outer side surfaces of the axial limiting edges abut against the first bottom surface, the second bottom surface abuts against the inner side surface of the mounting plate, the anti-rotating limiting edges abut against one of the side surfaces of the hexagonal bolt, and the M anti-rotating bosses respectively abut against the other M side surfaces of the hexagonal bolt; wherein N is more than or equal to 1, and M is more than or equal to 3.
Further, prevent changeing spacing limit with between the spacing limit of axial and prevent changeing spacing limit with divide equally between the mounting panel and do not connect through two crooked arms.
Further, prevent changeing spacing limit with between the spacing limit of axial and prevent changeing spacing limit with all be provided with between the mounting panel and bend the breach of stepping down, and bend the breach of stepping down and be located two between the crooked arm.
Furthermore, the anti-rotation limiting edge is perpendicular to the mounting plate, and the anti-rotation limiting edge is perpendicular to the axial limiting edge.
Further, a through hole is formed in the axial limiting edge.
Further, N =3,m =5.
The utility model provides a burglary-resisting door steel sheet connection structure, including interior steel sheet, outer steel sheet and a N nut, still include above-mentioned bolt installation component, interior steel sheet and outer steel sheet correspond N the position of first bolt via hole is provided with second bolt via hole respectively, the outside surface of mounting panel with the inboard surface of interior steel sheet is laminated mutually, the outside surface of interior steel sheet with the inboard surface of outer steel sheet is laminated mutually, N the nut is respectively with N hexagon bolt threaded connection, and N the nut all supports and leans on the outside of outer steel sheet is on the surface.
Further, the edge of the mounting plate is connected with the inner steel plate through bonding.
The beneficial effects of the utility model are that:
1. the axial limiting edge of the bolt mounting assembly can prevent the hexagon bolt from moving along the axial direction, and meanwhile, the anti-rotation limiting edge and the anti-rotation boss can prevent the hexagon bolt from rotating, so that the position of the hexagon bolt is locked;
2. the utility model discloses a burglary-resisting door steel sheet connection structure can make interior steel sheet and outer steel sheet closely paste and link together, and installation strength is high, can prevent to appear leading to the steel sheet atress to warp because of excessively screwing, need not weld hexagon bolt and nut simultaneously, can prevent that screw thread deformation and steel sheet heat altered shape from appearing.
Drawings
In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:
fig. 1 is a schematic structural view of a bolt mounting assembly of the present invention;
fig. 2 is a schematic structural diagram of the mounting plate of the present invention (the structure is shown in this case, which is not bent after stamping);
fig. 3 is a schematic structural view of the bolt mounting assembly of the present invention.
The drawings are numbered as follows:
1-a bolt mounting component, 11-a mounting plate, 111-a first bolt through hole, 12-a hexagon bolt, 121-a first bottom surface, 122-a second bottom surface, 123-a side surface, 13-a limiting flanging, 131-an anti-rotation limiting edge, 132-an axial limiting edge, 133-a bending arm, 134-a through hole, 135-a bending abdicating notch and 14-an anti-rotation boss;
2-inner steel plate, 3-outer steel plate and 4-nut.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1, a bolt mounting assembly 1 in the present embodiment includes a mounting plate 11, N hexagon bolts 12, and N stopper members;
n first bolt through holes 111 are formed in the mounting plate 11, and N hexagon bolts 12 respectively penetrate through and extend out of the N first bolt through holes 111 from inside to outside;
the head of hex bolt 12 has a first bottom surface 121 distal from the shank, a second bottom surface 122 proximal to the shank, and six side surfaces 123;
the N limiting components comprise limiting flanges 13 and M anti-rotation bosses 14, the limiting flanges 13 comprise anti-rotation limiting edges 131 and axial limiting edges 132, the inner sides and the outer sides of the anti-rotation limiting edges 131 are respectively connected with the axial limiting edges 132 and the mounting plate 11, the outer side surfaces of the axial limiting edges 132 are abutted against the first bottom surface 121, the second bottom surface 122 is abutted against the inner side surface of the mounting plate 11, the anti-rotation limiting edges 131 are abutted against one side surface 123 of the hexagonal bolt 12, and the M anti-rotation bosses 14 are respectively abutted against the other M side surfaces 123 of the hexagonal bolt 12; wherein N is more than or equal to 1, and M is more than or equal to 3.
In this embodiment, the anti-rotation limiting edge 131 and the axial limiting edge 132 and the anti-rotation limiting edge 131 and the mounting plate 11 are connected by two bending arms 133 respectively.
In this embodiment, bending yielding notches 135 are respectively disposed between the anti-rotation limiting edge 131 and the axial limiting edge 132 and between the anti-rotation limiting edge 131 and the mounting plate 11, and the bending yielding notches 135 are located between the two bending arms 133.
In this embodiment, the anti-rotation limiting edge 131 is perpendicular to the mounting plate 11, and the anti-rotation limiting edge 131 is perpendicular to the axial limiting edge 132.
In this embodiment, the axial limiting edge 132 is provided with a through hole 134.
N may be 1, 2, 3 or 4, m may be 3, 4 or 5, preferably N =3,m =5 in the present embodiment. During manufacturing, a first bolt through hole 111, an anti-rotation boss 14, a limiting flange 13 before bending, a bending arm 133 and a bending abdicating notch 135 are machined on the mounting plate 11 through stamping to form a shape shown in fig. 2, then each hexagon bolt 12 respectively penetrates through the corresponding first bolt through hole 111, meanwhile, each anti-rotation boss 14 is guaranteed to abut against a side face 123 on the corresponding hexagon bolt 12, the anti-rotation bosses 14 play a role in preliminary positioning of the hexagon bolt 12, then the limiting flange 13 before bending is bent through a pressing tool, a structure that the anti-rotation limiting edge 131 abuts against one side face 123 of the hexagon bolt 12 while the outer side surface of the axial limiting edge 132 abuts against the first bottom face 121 is formed, a through hole 134 on the axial limiting edge 132 can be conveniently matched with the pressing tool during bending, bending is carried out, two bending arms 133 between the anti-rotation limiting edge 131 and the axial limiting edge 132 are bent, two bending arms 133 between the anti-rotation limiting edge 131 and the mounting plate 11 are also bent, the anti-rotation limiting edge 135 can guarantee that the anti-rotation limiting edge 131 and the mounting plate 11 can be attached to the anti-rotation limiting edge 131, and the mounting plate 11, and the anti-rotation limiting edge 132, and the anti-rotation limiting bolt 12 can be prevented from being attached to the axial limiting edge by the axial limiting edge 131 or the anti-rotation limiting edge 135, and the anti-rotation limiting edge 132, and the anti-rotation limiting edge can be prevented from being attached to the axial limiting edge by the axial limiting chamfer 132, and the axial limiting edge 135. After the bending is completed, the axial limiting edge 132 can prevent the hexagon bolt 12 from moving in the axial direction, and the rotation-preventing limiting edge 131 and the rotation-preventing boss 14 can prevent the hexagon bolt 12 from rotating, so that the position of the hexagon bolt 12 is locked.
An anti-theft door steel sheet connection structure in this embodiment, including interior steel sheet 2, outer steel sheet 3 and a N nut 4, its characterized in that: still include bolt installation component, the position that interior steel sheet 2 and outer steel sheet 3 correspond a N first bolt via hole 111 is provided with the second bolt via hole respectively, the outside surface of mounting panel 11 is laminated with the inboard surface of interior steel sheet 2 mutually, the outside surface of interior steel sheet 2 is laminated with the inboard surface of outer steel sheet 3 mutually, a N nut 4 respectively with a 12 threaded connection of a N hexagon bolt to a N nut 4 all supports and leans on the outside surface of outer steel sheet 3. In this embodiment, the edge of the mounting plate 11 is connected to the inner steel plate 2 by bonding.
When the anti-theft door is assembled, firstly, the bolt mounting assembly 1 is connected with the inner steel plate 2, the bolt mounting assembly 1 is located in a cavity of the anti-theft door, but a screw rod of the hexagon bolt 12 extends out of a second bolt through hole in the inner steel plate 2, then the cavity of the anti-theft door is sealed, when the outer steel plate 3 is installed in a subsequent process, the outer steel plate 3 is attached to the inner steel plate 2, and then each nut 4 is screwed.
Through passing interior steel sheet 2 and outer steel sheet 3 with hexagon bolt 12 on the bolt installation component 1 and with nut 4 threaded connection, can make interior steel sheet 2 and outer steel sheet 3 hug closely and link together, when screwing nut 4, the area of contact of mounting panel 11 and interior steel sheet 2 is big, mounting panel 11 can also increase the peripheral installation intensity of the bolt head of hexagon bolt 12, prevent to appear leading to the steel sheet atress to warp because of excessively screwing, need not weld hexagon bolt 12 and nut 4 simultaneously, can prevent that screw thread deformation and steel sheet heat altered shape.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (8)
1. A bolt mounting assembly characterized by: the mounting plate comprises a mounting plate (11), N hexagon bolts (12) and N limiting components;
n first bolt through holes (111) are formed in the mounting plate (11), and N hexagonal bolts (12) respectively penetrate through the N first bolt through holes (111) from inside to outside and extend out of the N first bolt through holes (111);
the bolt head of the hexagonal bolt (12) is provided with a first bottom surface (121) far away from the screw rod, a second bottom surface (122) close to the screw rod and six side surfaces (123);
the N limiting components comprise limiting flanges (13) and M anti-rotating bosses (14), the limiting flanges (13) comprise anti-rotating limiting edges (131) and axial limiting edges (132), the inner side and the outer side of each anti-rotating limiting edge (131) are respectively connected with the axial limiting edges (132) and the mounting plate (11), the outer side surface of each axial limiting edge (132) abuts against the first bottom surface (121), the second bottom surface (122) abuts against the inner side surface of the mounting plate (11), the anti-rotating limiting edges (131) abut against one of the side surfaces (123) of the hexagonal bolts (12), and the M anti-rotating bosses (14) abut against the other M side surfaces (123) of the hexagonal bolts (12); wherein N is more than or equal to 1, and M is more than or equal to 3.
2. The bolt mounting assembly of claim 1, wherein: prevent changeing spacing limit (131) with between the spacing limit of axial (132) and prevent changeing spacing limit (131) with it is connected respectively through two crooked arms (133) to divide between mounting panel (11).
3. The bolt mounting assembly of claim 2, wherein: prevent changeing spacing limit (131) with between the spacing limit of axial (132) and prevent changeing spacing limit (131) with all be provided with between mounting panel (11) and bend and let a gap (135), and bend and let a gap (135) be located two between crooked arm (133).
4. The bolt mounting assembly of claim 1, wherein: the rotation-proof limiting edge (131) is perpendicular to the mounting plate (11), and the rotation-proof limiting edge (131) is perpendicular to the axial limiting edge (132).
5. The bolt mounting assembly of claim 1, wherein: the axial limiting edge (132) is provided with a through hole (134).
6. The bolt mounting assembly of claim 1, wherein: n =3,m =5.
7. The utility model provides a burglary-resisting door steel sheet connection structure, includes interior steel sheet (2), outer steel sheet (3) and a N nut (4), its characterized in that: the bolt mounting assembly of any one of claims 1 to 6, wherein second bolt through holes are respectively formed in positions, corresponding to the N first bolt through holes (111), of the inner steel plate (2) and the outer steel plate (3), the outer side surface of the mounting plate (11) is attached to the inner side surface of the inner steel plate (2), the outer side surface of the inner steel plate (2) is attached to the inner side surface of the outer steel plate (3), the N nuts (4) are respectively in threaded connection with the N hexagonal bolts (12), and the N nuts (4) are abutted to the outer side surface of the outer steel plate (3).
8. The burglary-resisting door steel sheet connection structure of claim 7, characterized in that: the edge of the mounting plate (11) is connected with the inner steel plate (2) through bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222474698.3U CN218325638U (en) | 2022-09-19 | 2022-09-19 | Bolt installation component and steel plate connecting structure of security door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222474698.3U CN218325638U (en) | 2022-09-19 | 2022-09-19 | Bolt installation component and steel plate connecting structure of security door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218325638U true CN218325638U (en) | 2023-01-17 |
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ID=84836463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222474698.3U Active CN218325638U (en) | 2022-09-19 | 2022-09-19 | Bolt installation component and steel plate connecting structure of security door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218325638U (en) |
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2022
- 2022-09-19 CN CN202222474698.3U patent/CN218325638U/en active Active
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