CN218207409U - Fixed riveting bolt of work piece - Google Patents
Fixed riveting bolt of work piece Download PDFInfo
- Publication number
- CN218207409U CN218207409U CN202222895636.XU CN202222895636U CN218207409U CN 218207409 U CN218207409 U CN 218207409U CN 202222895636 U CN202222895636 U CN 202222895636U CN 218207409 U CN218207409 U CN 218207409U
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- bolt
- work piece
- base
- riveting
- shank
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Abstract
The utility model provides a fixed riveting bolt of work piece, including the bolt head, base and shank of bolt, the base upside is provided with the bolt head, the inside interior hexagonal counter bore of having seted up of bolt head, the base downside is provided with the shank of bolt, the base lower surface is provided with the cusp arch, shank of bolt annular side upside is provided with spacing arch, this design has solved fixed riveting bolt of original work piece and has only carried out the chucking through the boss to the work piece, be difficult to realize the stable riveting to the work piece, and can punch a hole to produce wearing and tearing to the riveting on the work piece, influence the steadiness of riveting department, make the work piece break away from rivet body, the practicality remains the problem that improves, the utility model discloses rational in infrastructure, can make riveting bolt and work piece tightly close with spacing arch through the cusp arch of addding be connected, can be with the assigned position of riveting bolt riveting on the work piece, the possibility of work piece and the riveting bolt pine take off has been stopped, the steadiness of riveting bolt and work piece junction has been improved.
Description
Technical Field
The utility model relates to a fixed riveting bolt of work piece belongs to fastener technical field.
Background
During the machining of mechanical devices, in particular of vehicles, riveted assemblies are often used, for example, plastic parts, workpieces and the like are assembled on rivets, the workpieces having mounting holes for mounting the rivets for the self-assembly of the parts before the vehicle is assembled.
Chinese patent No.: CN214118666U discloses a fixed riveting bolt of work piece, this technical scheme is when the assembly work piece of work piece assembly district, when stamping equipment is to the punching press groove punching press of rivet, the punching press groove can be pressed to extend towards the indent structure edge of member one side, the rivet boss structure locking work piece of the work piece of abundant contact and partial extension, avoid the work piece to break away from rivet body, can be with the work piece joint in the assigned position, improve whole piece positioning performance, reduce the abnormal sound that produces easily in the use, but this technical scheme only carries out the chucking through the boss to the work piece, be difficult to realize the stable riveting to the work piece, and can produce wearing and tearing to the riveting punching hole on the work piece, influence the steadiness of riveting department, make the work piece break away from rivet body, the practicality remains to be improved, a fixed riveting bolt of work piece is needed now to solve above-mentioned problem that appears.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fixed riveting bolt of work piece to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure can make riveting bolt and work piece close with spacing arch through the dentate arch of addding be connected, can rivet the assigned position of riveting bolt on the work piece, has stopped the possibility that work piece and riveting bolt pine take off, has improved the steadiness of riveting bolt and work piece junction.
In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a fixed riveting bolt of work piece, includes bolt head, base and shank of bolt, the base upside is provided with the bolt head, the inside hexagonal counter bore of having seted up of bolt head, the base downside is provided with the shank of bolt, the base lower surface is provided with the cusp arch, shank of bolt annular side upside is provided with spacing arch.
Furthermore, the bolt head is of a conical structure, the upper end face of the bolt head is a plane, and the diameter of the base is larger than that of the bottom face of the bolt head.
Further, the bolt head, the base and the bolt rod are of an integrally formed structure, and the surfaces of the bolt head, the base and the bolt rod are subjected to hot galvanizing corrosion prevention treatment.
Furthermore, the upper side of the annular side face of the bolt rod is provided with a plurality of groups of vertical limiting bulges which are arranged at equal angles, and the lower side of the annular side face of the bolt rod is provided with external threads.
Furthermore, a chamfer is arranged at the edge part of the lower end of the bolt rod, a fillet is formed at the joint of the upper end of the bolt rod and the base, and the height of the fillet is the same as that of the tooth-shaped bulge.
Furthermore, the tooth-shaped protrusions are provided with a plurality of groups, and the plurality of groups of tooth-shaped protrusions are in an equiangular radial arrangement structure along the circle of the base.
By adopting the technical scheme, the beneficial effects of the utility model are that: the utility model discloses a fixed riveting bolt of work piece, bolt head through setting up, a pedestal, the inner hexagonal counter bore, spacing arch, the shank of bolt, chamfer and cusp arch, this project organization is reasonable, can make riveting bolt and work piece close connection through the cusp arch of addding and spacing arch, can be with the assigned position of riveting bolt riveting on the work piece, the possibility that work piece and riveting bolt pine take off has been stopped, the steadiness of riveting bolt and work piece junction has been improved, it only carries out the chucking to the work piece through the boss to have solved fixed riveting bolt of original work piece, be difficult to realize the stable riveting to the work piece, and can punch a hole to the riveting on the work piece and produce wearing and tearing, influence the steadiness of riveting department, make the work piece break away from rivet body, the practicality remains the problem that improves, the utility model discloses a spraying effect is improved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of a fixed riveting bolt of the present invention;
fig. 2 is a front sectional view of a workpiece-fixed riveting bolt of the present invention;
fig. 3 is a schematic bottom view of the fixed riveting bolt of the present invention;
in the figure: 1-bolt head, 2-base, 3-inner hexagonal counter bore, 4-limit bulge, 5-bolt rod, 6-chamfer and 7-dentate bulge.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a fixed riveting bolt of work piece, including bolt head 1, base 2 and shank of bolt 5, 2 upsides of base are provided with bolt head 1, 1 inside hexagonal counter bore 3 of having seted up of bolt head, 2 downside of base are provided with shank of bolt 5, 2 lower surfaces of base are provided with dentate bulge 7, 5 annular side upsides of shank of bolt are provided with spacing arch 4, this design has solved the fixed riveting bolt of original work piece and has only carried out the chucking through the boss to the work piece, be difficult to realize the stable riveting to the work piece, and can punch a hole to produce wearing and tearing to the riveting on the work piece, influence the steadiness of riveting department, make the work piece break away from the rivet body, the practicality remains the problem that improves.
The bolt head 1 is the taper structure, and 1 up end of bolt head is the plane, and 2 diameters of base are greater than 1 bottom surface diameters of bolt head, and this design is convenient for make base 2 and work piece close the laminating, reduces the internal stress that base 2 and 1 inside of bolt head received.
The bolt head 1, the base 2 and the bolt rod 5 are of an integrally formed structure, and the surfaces of the bolt head 1, the base 2 and the bolt rod 5 are subjected to hot galvanizing corrosion prevention treatment, so that the structural strength of the design is improved, and the corrosion prevention performance of the riveting bolt is improved.
The upper side of the 5 annular side faces of the bolt rods is provided with a plurality of groups of vertical limiting bulges 4 which are arranged at equal angles, the lower side of the 5 annular side faces of the bolt rods is provided with external threads, and the bolt rods 5 can be clamped inside workpieces through the plurality of groups of limiting bulges 4 when being riveted with the workpieces, so that the bolt rods 5 are conveniently positioned.
5 lower extreme edge part positions of shank of bolt are equipped with chamfer 6, and 5 upper ends of shank of bolt have the fillet with 2 junctions of base, and the fillet height is the same with dentate bulge 7 height, is convenient for insert shank of bolt 5 in the mounting hole of work piece inside when the installation through the chamfer 6 that sets up, and the fillet that sets up can less shank of bolt 5 and the internal stress of 2 junctions of base effectively prevents to connect the long time atress of punishment and take place the fracture.
The dentate projections 7 are provided with a plurality of groups, the dentate projections 7 are in an equiangular radial arrangement structure along the circle of the base 2, the workpiece can be clamped by the dentate projections 7 arranged in the installation process, the clamp fastened by the base 2 is attached to the surface of the workpiece, and the mode riveting bolt is twisted and loosened.
As an embodiment of the present invention: the bolt head 1, the base 2 and the bolt rod 5 are processed and manufactured through integrated forming, the hexagon socket head counterbore 3 is formed inside the bolt head 1 and used for being matched with an external tool to install a bolt, the limiting protrusion 4 is processed on the upper side of the annular side face of the bolt rod 5, the friction force between the bolt rod 5 and a workpiece can be increased through the limiting protrusion 4, the bolt can be conveniently and quickly positioned, external threads are formed on the lower side of the annular side face of the bolt rod 5, the chamfer 6 is formed in the edge position of the lower end of the bolt rod 5, the chamfer is formed at the joint of the bolt rod 5 and the base 2, when the bolt rod 5 is installed, the bolt rod 5 is inserted into an installation hole in the workpiece, the bolt rod 5 can be tightly attached to the inner wall of the installation hole through the limiting protrusion 4, the base 2 can be tightly attached to the surface of the workpiece through the toothed protrusion 7 on the lower side of the base 2, and therefore the bolt and the workpiece can be conveniently riveted and fixed.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (6)
1. The utility model provides a fixed riveting bolt of work piece, includes bolt head, base and shank of bolt, its characterized in that: the base upside is provided with the bolt head, the inside hexagonal counter bore of having seted up of bolt head, the base downside is provided with the shank of bolt, the base lower surface is provided with dentate arch, shank of bolt annular side upside is provided with spacing arch.
2. A workpiece fixed rivet bolt according to claim 1, characterised in that: the bolt head is a taper structure, the upper end face of the bolt head is a plane, and the diameter of the base is larger than that of the bottom face of the bolt head.
3. A workpiece fixed rivet bolt according to claim 1, characterised in that: the bolt head, the base and the bolt rod are of an integrally formed structure, and the surfaces of the bolt head, the base and the bolt rod are subjected to hot galvanizing corrosion prevention treatment.
4. A workpiece fixed rivet bolt according to claim 1, characterised in that: the upper side of the annular side face of the bolt rod is provided with a plurality of groups of vertical limiting bulges which are arranged at equal angles, and the lower side of the annular side face of the bolt rod is provided with external threads.
5. A workpiece fixed rivet bolt according to claim 1, characterised in that: the edge of the lower end of the bolt rod is provided with a chamfer, the joint of the upper end of the bolt rod and the base is provided with a fillet, and the height of the fillet is the same as that of the tooth-shaped bulge.
6. A workpiece fixed rivet bolt according to claim 1, characterised in that: the tooth-shaped bulges are provided with a plurality of groups, and the plurality of groups of tooth-shaped bulges are in an equiangular radial arrangement structure along the circle shape of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222895636.XU CN218207409U (en) | 2022-11-01 | 2022-11-01 | Fixed riveting bolt of work piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222895636.XU CN218207409U (en) | 2022-11-01 | 2022-11-01 | Fixed riveting bolt of work piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218207409U true CN218207409U (en) | 2023-01-03 |
Family
ID=84642967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222895636.XU Active CN218207409U (en) | 2022-11-01 | 2022-11-01 | Fixed riveting bolt of work piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218207409U (en) |
-
2022
- 2022-11-01 CN CN202222895636.XU patent/CN218207409U/en active Active
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| GR01 | Patent grant |