CN218913415U

CN218913415U - Rivet with screw

Info

Publication number: CN218913415U
Application number: CN202223318455.7U
Authority: CN
Inventors: 周易轩; 周海慧
Original assignee: Zhejiang Sanmen Changlong Automobile Parts Co ltd
Current assignee: Zhejiang Sanmen Changlong Automobile Parts Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-04-25
Anticipated expiration: 2032-12-09

Abstract

The utility model belongs to the technical field of rivets, and particularly relates to a rivet, which comprises a rivet cap and further comprises: the shaft body is integrally formed with the rivet cap, a deformation cavity with an opening is arranged in the shaft body, and a deformation groove is formed in the wall surface of the deformation cavity; the deformation generating block is conical, and the small end of the deformation generating block is connected to one side of the opening of the deformation cavity; when the rivet is matched with the rivet hole, one end provided with the deformation generation block is placed in the rivet hole, at the moment, the rivet is not fixed with the rivet hole, then the rivet cap is knocked by means of external force, the shaft body is pushed down under the stress of the rivet cap, the deformation generation block is propped against the bottom surface of the rivet hole, the deformation generation block is gradually sunk into the deformation cavity, the shaft body is deformed in the process that the deformation generation block is gradually sunk into the deformation cavity, and interference fit is generated between the shaft body and the rivet hole, so that the connection is stable.

Description

Rivet with screw

Technical Field

The utility model belongs to the technical field of rivets, and particularly relates to a rivet.

Background

The rivet is a mechanical fastener for connecting two or more workpieces, and is used for permanently fixing the workpieces, unlike fasteners such as nails and screws, the fixed workpieces can be separated by breaking the rivet or the workpieces after the workpieces are fixed, and the mode of fixing or joining the workpieces by the rivet is called as riveting.

The prior rivet is as shown in the CN202110923393.3 anti-rotation self-piercing rivet and the connecting device with the same, the rivet is not easy to loose due to rotation by changing the shape of the rivet into a hexagon, but the reason for the rivet loosening is not only caused by rotation, when the rivet connecting part is impacted for many times, the gap between the rivet hole and the rivet is enlarged to cause the rivet to mechanically loose, and the rivet is separated from the connecting part, so that the rivet is specially designed.

Disclosure of Invention

The utility model aims at solving the technical problems and provides a rivet which achieves the effect of locking and fastening.

In view of this, the present utility model provides a rivet, including a rivet cap, further comprising:

the shaft body is integrally formed with the rivet cap, a deformation cavity with an opening is arranged in the shaft body, and a deformation groove is formed in the wall surface of the deformation cavity;

the deformation generating block is conical, and the small end of the deformation generating block is connected to one side of the opening of the deformation cavity;

when the rivet is installed with the rivet hole, the shaft body presses the deformation generating block, the deformation generating block is sunk into the deformation cavity after being pressed by the shaft body, the deformation groove is deformed, and the shaft body is fixed with the rivet hole.

In this technical scheme, when the rivet lies in the rivet hole cooperation, place the rivet downthehole with the one end that is provided with deformation and take place the piece earlier, and at this moment the rivet is not fixed with the rivet hole, beats the rivet cap with the help of external force again, and the axis body moves down at the rivet cap atress, and the rivet hole bottom surface withstands deformation and takes place the piece and makes deformation take place the piece and sink into deformation intracavity portion gradually, and the axis body takes place to warp at deformation take place the piece and sink into deformation intracavity in-process gradually, and then produces interference fit with the rivet hole between to make the connection firm.

In the above technical solution, further, the method further includes:

the limiting bulge is integrally formed on the end face of the shaft body at the opening of the deformation cavity, and the limiting bulge is provided with a conical bulge;

the limiting bulge is outwards turned after the deformation generating block is sunk into the deformation cavity, so that the conical bulge props against the wall surface of the rivet hole.

In this technical scheme, through setting up spacing arch and cone arch, after the axis body warp, spacing arch turns up and makes cone arch hook on rivet pore wall face to make the connection between rivet and the rivet hole further firm.

In the above technical solution, further, the method further includes:

the fastening block penetrates through the wall surface of the deformation cavity and is vertical to the deformation groove in the radial direction, one side end surface of the fastening block is inclined and faces the deformation groove, and the surface of the other side end surface of the fastening block is uneven and faces the outer side of the shaft body.

In this technical scheme, the fastening piece offsets with deformation generating piece at deformation generating piece in-process that the deformation generating piece was absorbed into the deformation intracavity to by deformation generating piece push gradually to the axis body outside with rivet pore wall face support tightly, with the unsmooth frictional force that has increased of rivet pore wall face contact's one side simultaneously, further make the connection firm.

In the above technical scheme, further, the fastening block is made of rubber, and the shaft body is provided with a through hole corresponding to the fastening block.

In the technical scheme, the fastening block made of rubber is low in cost, and the fastening block can deform in the through hole in the matching process to avoid damaging the structure of the shaft body.

In the above technical solution, further, the method further includes:

the rubber ring is sleeved on the limiting protrusion and abuts against the lower side of the conical protrusion, and the limiting protrusion is tightly sleeved by the rubber ring to enable the shaft body to tightly hold the deformation generating block, so that falling is avoided.

In this technical scheme, the rubber circle is when deformation takes place the piece and connects deformation chamber opening, tightens up the opening and makes the opening to hug closely deformation and take place the piece and then at the rivet in-process of snatching, deformation takes place the piece and is difficult for droing, facilitates the use.

In the above technical solution, further, the deformation generating block is made of hard rubber.

In this technical scheme, deformation takes place the piece and is made by hard rubber, and then in the back of sinking into deformation chamber, outwards tightly support deformation chamber wall and then make the shaft body can tightly support on the wall of rivet hole under self elastic force effect.

In the above technical solution, further, the shaft body is hexagonal.

In this technical scheme, hexagonal axis body makes the rivet be difficult for taking place to rotate after the rivet cap is connected to avoid becoming flexible.

The beneficial effects of the utility model are as follows:

the deformation generation block is matched with the shaft body, and after the shaft body is connected with the rivet hole, mechanical deformation is generated in the rivet hole, so that the connection is stable.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a top view of the present utility model;

the label in the figure is: 1-rivet cap, 2-shaft body, 3-deformation cavity, 4-deformation groove, 5-deformation generating block, 6-spacing bump, 7-cone bump, 8-rubber ring.

Detailed Description

Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.

Example 1:

the present embodiment provides a rivet, including a rivet cap 1, further including:

the shaft body 2 is integrally formed with the rivet cap 1, a deformation cavity 3 with an opening is arranged in the shaft body 2, and a deformation groove 4 is formed in the wall surface of the deformation cavity 3;

the deformation generating block 5 is conical, and the small end of the deformation generating block 5 is connected to one side of the opening of the deformation cavity 3;

when the rivet is installed with the rivet hole, the shaft body 2 is pressed to the deformation generation block 5, the deformation generation block 5 is sunk into the deformation cavity 3 after being pressed by the shaft body 2, so that the deformation groove 4 is deformed, and the shaft body 2 is fixed with the rivet hole.

In this embodiment, it can be seen that a rivet is composed of a rivet cap 1 and a shaft body 2;

the rivet cap 1 is connected to one end of the shaft body 2, a deformation cavity 3 is formed in the end face of the other end of the shaft body 2, a deformation groove 4 is formed in the wall surface of the deformation cavity 3, a deformation generation block 5 is placed at the opening of the deformation cavity 3, the deformation groove 4 enables the shaft body 2 to be easily deformed, and then the deformation generation block 5 enables the shaft body 2 to be deformed in the process of gradually matching with the deformation cavity 3 when being connected with a rivet hole, so that connection is stable;

the deformation generating block 5 is cone-shaped, one end with smaller diameter is arranged at the opening of the deformation cavity 3, and the other end with larger diameter is arranged at the outer side;

the rivet is characterized in that when the rivet is matched with a rivet hole, one end provided with a deformation generation block 5 is placed in the rivet hole, the rivet is not fixed with the rivet hole, the rivet cap 1 is knocked by means of external force, the shaft body 2 moves downwards under the stress of the rivet cap 1, the bottom surface of the rivet hole props against the deformation generation block 5, the deformation generation block 5 is gradually sunk into the deformation cavity 3, the shaft body 2 is deformed in the process that the deformation generation block 5 is gradually sunk into the deformation cavity 3, and interference fit is generated between the shaft body 2 and the rivet hole, so that the connection is stable.

Example 2:

the present embodiment provides a rivet having the following technical features in addition to the technical scheme including the above embodiment.

The limiting bulge 6 is integrally formed on the end face of the shaft body 2 at the opening of the deformation cavity 3, and the limiting bulge 6 is provided with a conical bulge 7;

wherein, spacing protruding 6 in deformation take place piece 5 and sink into deformation chamber 3 back valgus for conical protruding 7 withstands rivet pore wall face.

In the embodiment, the limiting protrusion 6 is integrally formed on the end surface of the shaft body 2 at the opening of the deformation cavity 3, the conical protrusion 7 is integrally formed on the limiting protrusion 6, the conical protrusion 7 forms a barb after the limiting protrusion 6 is turned outwards, and the barb is hooked in the rivet hole, so that the rivet is not easy to fall off;

through setting up spacing protruding 6 and cone protruding 7, after the axis body 2 warp, spacing protruding 6 turns up and makes cone protruding 7 hook on rivet pore wall face to make the connection between rivet and the rivet hole further firm.

Example 3:

The fastening block 9, the fastening block 9 run through on deformation chamber 3 wall to radial perpendicular with deformation groove 4, the fastening block 9 one side terminal surface be the slope form and towards deformation groove 4, opposite side terminal surface roughness is towards the axis body 2 outside.

In this embodiment, it can be seen that the fastening block 9 penetrates through the wall surface of the deformation cavity 3, and is perpendicular to the radial direction between the deformation groove 4 with the axis of the shaft body 2 as a reference, the end surface of one end of the fastening block 9 is inclined, and the end surface of the other end is uneven;

the fastening block 9 offsets with the deformation generating block 5 in the process that the deformation generating block 5 is sunk into the deformation cavity 3, and is gradually pushed to the outer side of the shaft body 2 by the deformation generating block 5 to be abutted against the wall surface of the rivet hole, meanwhile, the surface of the fastening block, which is contacted with the wall surface of the rivet hole, is uneven, so that the friction force is increased, and the connection is further stable.

Example 4:

The fastening block 9 is made of rubber, and the shaft body 2 is provided with a through hole corresponding to the fastening block 9.

In this embodiment, it can be seen that the fastening block 9 is made of rubber material, the fastening block 9 is arc-shaped, the shaft body 2 is provided with a through hole corresponding to the fastening block 9, and the fastening block 9 is slidably connected with the through hole;

the fastening block 9 made of rubber is low in cost, and the fastening block 9 can deform in the through hole in the matching process to avoid damaging the structure of the shaft body 2.

Example 5:

The rubber ring 8, the rubber ring 8 cover establish on spacing arch 6 to support in the protruding 7 downside of taper, the tight spacing arch 6 of rubber ring 8 cover make the axis body 2 can hug closely deformation and take place piece 5, avoid droing.

This embodiment can see that rubber circle 8 cover is established on spacing arch 6 and is supported at the protruding 7 downside of cone, and rubber circle 8 is when deformation takes place piece 5 and connects deformation chamber 3 opening, tightens up the opening and makes the opening to hug closely deformation and take place piece 5 and then at the rivet in-process of snatching, deformation takes place piece 5 difficult come off, facilitates the use.

Example 6:

The deformation generating block 5 is made of hard rubber.

In this embodiment, it can be seen that the deformation generating block 5 is made of hard rubber, and further, after sinking into the deformation cavity 3, the deformation cavity 3 wall is tightly pressed outwards under the action of self elastic force, so that the shaft body 2 can tightly press against the wall of the rivet hole.

Example 7:

The shaft body 2 is hexagonal.

In this embodiment, it can be seen that the hexagonal shaft body 2 makes the rivet difficult to rotate after the rivet cap 1 is connected, so as to avoid loosening.

The embodiments of the present application and the features of the embodiments may be combined without conflict, and the present application is not limited to the specific embodiments described above, which are merely illustrative, not restrictive, and many forms may be made by those of ordinary skill in the art, without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.

Claims

1. A rivet comprising a rivet head (1), characterized in that it further comprises:

the shaft body (2), the shaft body (2) is integrally formed with the rivet cap (1), a deformation cavity (3) with an opening is arranged in the shaft body (2), and a deformation groove (4) is formed in the wall surface of the deformation cavity (3);

the deformation generating block (5), the deformation generating block (5) is cone-shaped, and the small end of the deformation generating block (5) is connected to one side of the opening of the deformation cavity (3);

when the rivet is installed with the rivet hole, the shaft body (2) is pressed to the deformation generation block (5), the deformation generation block (5) is sunk into the deformation cavity (3) after being pressed by the shaft body (2), so that the deformation groove (4) is deformed, and the shaft body (2) is fixed with the rivet hole.

2. A rivet according to claim 1, further comprising:

the limiting bulge (6) is integrally formed on the end face of the shaft body (2) at the opening of the deformation cavity (3), and the conical bulge (7) is arranged on the limiting bulge (6);

the limiting bulge (6) is outwards turned after the deformation generating block (5) is sunk into the deformation cavity (3), so that the conical bulge (7) props against the wall surface of the rivet hole.

3. A rivet according to claim 2, further comprising:

the fastening block (9), the fastening block (9) run through on deformation chamber (3) wall to radial perpendicular with deformation groove (4), fastening block (9) one side end face be the slope form and towards deformation groove (4), opposite side end face surface roughness is towards axis body (2) outside.

4. A rivet according to claim 3, characterized in that the fastening block (9) is made of rubber, and the shaft body (2) is provided with a through hole corresponding to the fastening block (9).

5. A rivet according to claim 4, further comprising:

the rubber ring (8), rubber ring (8) cover establish on spacing arch (6) to support in cone protruding (7) downside, rubber ring (8) cover tight spacing arch (6) make axis body (2) can hug closely deformation and take place piece (5), avoid droing.

6. A rivet according to claim 5, characterized in that the deformation-generating blocks (5) are made of hard rubber.

7. A rivet according to claim 6, characterized in that the shaft body (2) has a hexagonal shape.