CN216895262U - Can increase pressure riveting bolt structure of locking force - Google Patents

Abstract

The utility model relates to the technical field of fasteners, in particular to a pressure riveting bolt structure capable of increasing locking force, which comprises a bolt body, wherein the bolt body is formed by integrally combining a bolt head and a bolt body, a locking structure is welded on the surface of the bolt head, and the locking structure consists of a locking sleeve and a hook thorn; the surface of screw rod portion is provided with the dismouting structure, the edge of screw rod portion bottom is provided with anti-rotating structure, and anti-rotating structure is located the outside of bolt head to anti-rotating structure is riveted the piece by the pressure, is riveted protrudingly and is prevented changeing protruding muscle and constitute. The utility model not only increases the locking force of the pressure riveting bolt when in use, avoids the phenomenon of loosening after the pressure riveting bolt is pressed in, but also improves the convenience of the pressure riveting bolt when in disassembly and assembly.

Description

Can increase pressure riveting bolt structure of locking force

Technical Field

The utility model relates to the technical field of fasteners, in particular to a riveting bolt structure capable of increasing locking force.

Background

The pressure riveting bolt is also called a pressure riveting screw and a pressure riveting screw, and is a fastener and a standard part for pressure riveting. The pressure riveting bolt is generally used for electronic mechanical equipment, products in metal plate industry, hardware stamping or copper-aluminum plastic and other materials, and when the pressure riveting bolt is used and installed, the head with threads of the pressure riveting bolt, namely the tail end of the pressure riveting bolt enters a material substrate of the product in a stamping or other extrusion mode.

The pressure riveting bolt on the market is various nowadays, can satisfy people's user demand basically, but still has certain problem, and specific problem has following several: firstly, the locking force of the pressure riveting bolt is poor when the pressure riveting bolt is used, so that the pressure riveting bolt is not fastened enough when being connected with an object to be fastened; secondly, when the pressure riveting bolt is used, the rotation prevention function is difficult to realize, so that the pressure riveting bolt is easy to loosen after being pressed; thirdly, the press riveting bolt is relatively complicated in disassembly and assembly, so that the convenience in disassembly and assembly of the press riveting bolt is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rivet pressing bolt structure capable of increasing locking force, so as to solve the problem of the rivet pressing bolt in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a pressure riveting bolt structure capable of increasing locking force comprises a bolt body, wherein the bolt body is formed by integrally combining a bolt head and a screw rod part, a locking structure is welded on the surface of the bolt head, and the locking structure is composed of a locking sleeve and a hook; the surface of screw rod portion is provided with the dismouting structure, the edge of screw rod portion bottom is provided with anti-rotating structure, and anti-rotating structure is located the outside of bolt head to anti-rotating structure is riveted the piece by the pressure, is riveted protrudingly and is prevented changeing the protruding muscle and constitute.

Preferably, the disassembly and assembly structure is composed of a circular counter bore, a cross groove, a disassembly and assembly hole and anti-skidding teeth, the circular counter bore is arranged at the center of the top of the screw rod portion, and the disassembly and assembly hole is formed in the circular counter bore.

Preferably, the edge position of the screw rod part is provided with two corresponding anti-skid teeth, and a cross groove is formed between every two adjacent anti-skid teeth.

Preferably, the locking sleeve is welded on the surface of the head of the bolt, and barbs at equal intervals are welded on the edge of the top of the locking sleeve.

Preferably, the rivet pressing sheet is welded on the surface of the screw rod part, and the edge position of the bottom of the rivet pressing sheet is provided with anti-rotation convex ribs at equal intervals.

Preferably, six groups of pressure riveting bulges are welded at the bottom of the pressure riveting sheet, and the included angle between every two adjacent pressure riveting bulges is sixty degrees.

Compared with the prior art, the utility model has the beneficial effects that: the press-riveting bolt structure capable of increasing the locking force not only increases the locking force of the press-riveting bolt during use, avoids the loosening phenomenon after the press-riveting bolt is pressed in, but also improves the convenience in dismounting the press-riveting bolt;

1. the locking structure is arranged, the bolt head is turned into the object to be fastened under the action of the dismounting structure, the locking sleeve can move along with the bolt head to be embedded into the object to be fastened when the bolt head is turned, and the locking sleeve are prevented from falling off through the barbs on the surfaces of the locking sleeve and the locking sleeve after the bolt head is embedded into the object to be fastened, so that the locking force of the pressure riveting bolt during use is increased;

2. through the anti-rotation structure, the press-riveting sheet can be pressed into an object to be fastened during fastening, and the press-riveting bulge on the surface of the press-riveting sheet is matched with the anti-rotation convex rib to prevent the press-riveting bolt from being reversed, so that the phenomenon of loosening after the press-riveting bolt is pressed in is avoided;

3. through being provided with the dismouting structure, carry out the dismouting with the inside dismouting hole of the rotatory circular counter bore of spanner, if when the dismouting hole takes place wearing and tearing, cross recess and the antiskid tooth through the screw section edge mutually support to prevent to press and rivet the bolt and take place the phenomenon of skidding when the dismouting, thereby the convenience when having improved the pressure and rivet the bolt dismouting.

Drawings

FIG. 1 is a schematic representation of the principal three-dimensional structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is an enlarged view of the screw portion of the present invention;

FIG. 4 is a schematic top view of the locking structure of the present invention;

FIG. 5 is a schematic top view of the anti-rotation structure of the present invention.

In the figure: 1. a bolt body; 11. a bolt head; 12. a screw section; 2. a disassembly and assembly structure; 21. a counter bore; 22. a cross groove; 23. disassembling and assembling holes; 24. anti-slip teeth; 3. a locking structure; 31. a locking sleeve; 32. hooking; 4. an anti-rotation structure; 41. pressing and riveting the sheet; 42. pressing and riveting the bulge; 43. the anti-rotation convex rib.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

The structure of the pressure riveting bolt structure capable of increasing the locking force is shown in fig. 1 and 4, and comprises a bolt body 1, wherein the bolt body 1 is formed by integrally combining a bolt head 11 and a screw rod 12, a locking structure 3 is welded on the surface of the bolt head 11, the locking structure 3 is composed of a locking sleeve 31 and barbs 32, the locking sleeve 31 is welded on the surface of the bolt head 11, and the barbs 32 at equal intervals are welded at the edge position of the top of the locking sleeve 31.

During implementation, the bolt head 11 is turned into the object to be fastened through the action of the dismounting structure 2, the locking sleeve 31 can move together with the bolt head 11 to be embedded into the object to be fastened when the bolt head 11 is turned into the object to be fastened, and the locking sleeve 31 and the barb 32 on the surface of the locking sleeve 31 are used for preventing the bolt head from being disengaged after the bolt head is embedded into the object to be fastened.

Further, as shown in fig. 1 and 3, a dismounting structure 2 is disposed on the surface of the screw portion 12, the dismounting structure 2 is composed of a circular counter bore 21, a cross groove 22, a dismounting hole 23 and anti-slip teeth 24, the circular counter bore 21 is disposed at the center of the top of the screw portion 12, the dismounting hole 23 is further disposed inside the circular counter bore 21, two corresponding anti-slip teeth 24 are disposed at the edge of the screw portion 12, and the cross groove 22 is disposed between adjacent anti-slip teeth 24.

In the implementation, the disassembly and assembly holes 23 in the circular counter bore 21 are disassembled and assembled by rotating the wrench, and if the disassembly and assembly holes 23 are worn, the cross grooves 22 at the edge of the screw rod part 12 and the anti-slip teeth 24 are matched with each other to prevent the pressure riveting bolt from slipping during disassembly and assembly.

Further, as shown in fig. 2 and 5, an anti-rotation structure 4 is disposed at an edge of the bottom of the screw portion 12, the anti-rotation structure 4 is located outside the bolt head 11, the anti-rotation structure 4 is composed of a rivet pressing sheet 41, rivet pressing protrusions 42 and anti-rotation ribs 43, the rivet pressing sheet 41 is welded on the surface of the screw portion 12, the anti-rotation ribs 43 are disposed at equal intervals at an edge of the bottom of the rivet pressing sheet 41, six sets of rivet pressing protrusions 42 are welded at the bottom of the rivet pressing sheet 41, and an included angle between adjacent rivet pressing protrusions 42 is sixty degrees.

During implementation, the pressing rivet sheet 41 of the pressing rivet bolt can be pressed into the object to be fastened, the pressing rivet protrusion 42 and the anti-rotation convex rib 43 on the surface of the pressing rivet sheet 41 are matched with each other, the pressing rivet bolt is prevented from being reversed, and therefore the phenomenon that the pressing rivet bolt is loosened after being pressed is avoided.

The working principle is as follows: during the use, at first carry out the dismouting to the pressure bolt of riveting through the dismouting structure 2 on screw rod portion 12 surface, when dismouting structure 2 was implemented, at first carry out the dismouting with the dismouting hole 23 of the inside circular counter bore 21 of spanner rotation, if dismouting hole 23 takes place wearing and tearing, mutually support through cross recess 22 and the antiskid tooth 24 at screw rod portion 12 edge to prevent that the pressure bolt of riveting from taking place the phenomenon of skidding when the dismouting, thereby the convenience when having improved the pressure bolt of riveting dismouting.

The locking force of the pressure riveting bolt is increased through the locking structure 3, when the locking structure 3 is implemented, the bolt head 11 is turned into the object to be fastened through the effect of the dismounting structure 2, the locking sleeve 31 can move along with the bolt head 11 to be embedded into the object to be fastened when the bolt is turned into the object, and the locking sleeve 31 and the hook 32 on the surface of the locking sleeve 31 are prevented from being separated after the bolt is embedded into the object to be fastened, so that the locking force of the pressure riveting bolt during use is increased.

At last when the pressure riveting bolt uses, prevent through rotating-proof structure 4 that the commentaries on classics from taking off, when rotating-proof structure 4 implemented, the piece 41 can be impressed to waiting to fasten inside the object to rivet through the pressure on the piece 41 surface of riveting protruding 42 and prevent that the protruding muscle 43 of commentaries on classics mutually supports, prevents that the pressure riveting bolt from taking place to overturn to take place the pine after having avoided the pressure riveting bolt to impress and take off the phenomenon, the use work of finally accomplishing the pressure riveting bolt.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Claims (6)

1. The utility model provides a can increase pressure riveting bolt structure of locking force, includes the bolt body (1), this bolt body (1) is formed by bolt head (11) and screw rod portion (12) integral type combination, its characterized in that: the surface of the bolt head (11) is welded with a locking structure (3), and the locking structure (3) consists of a locking sleeve (31) and a barb (32); the surface of screw rod portion (12) is provided with dismouting structure (2), the edge of screw rod portion (12) bottom is provided with prevents that rotational structure (4), and prevents that rotational structure (4) are located the outside of bolt head (11) to prevent that rotational structure (4) comprise by pressing rivet piece (41), pressing rivet arch (42) and prevent changeing protruding muscle (43).

2. The clinch bolt structure capable of increasing a locking force according to claim 1, wherein: the disassembly and assembly structure (2) is composed of a circular counter bore (21), a cross groove (22), a disassembly and assembly hole (23) and anti-skidding teeth (24), the circular counter bore (21) is arranged at the center of the top of the screw rod portion (12), and the disassembly and assembly hole (23) is further formed in the circular counter bore (21).

3. The clinch bolt structure capable of increasing a locking force according to claim 2, wherein: two corresponding anti-skidding teeth (24) are arranged at the edge position of the screw rod part (12), and a cross groove (22) is arranged between every two adjacent anti-skidding teeth (24).

4. The clinch bolt structure capable of increasing a locking force according to claim 1, wherein: the locking sleeve (31) is welded on the surface of the bolt head (11), and barbs (32) with equal intervals are welded at the edge position of the top of the locking sleeve (31).

5. The clinch bolt structure capable of increasing a locking force according to claim 1, wherein: the rivet pressing sheet (41) is welded on the surface of the screw rod part (12), and the edge position of the bottom of the rivet pressing sheet (41) is provided with anti-rotation convex ribs (43) at equal intervals.

6. The clinch bolt structure capable of increasing a locking force according to claim 5, wherein: six groups of press riveting bulges (42) are welded at the bottom of each press riveting sheet (41), and the included angle between every two adjacent press riveting bulges (42) is sixty degrees.

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