CN216111657U

CN216111657U - Matched rivet

Info

Publication number: CN216111657U
Application number: CN202122446170.0U
Authority: CN
Inventors: 陶展
Original assignee: Jiangsu Dilong Fastener Manufacturing Co ltd
Current assignee: Jiangsu Dilong Fastener Manufacturing Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-03-22
Anticipated expiration: 2031-10-09

Abstract

The application discloses cooperation formula rivet relates to rivet technical field, including the rivet cap, the fixed slot has been seted up in the rivet cap, the funnel groove has been seted up to fixed slot one side, movable sleeve has the rivet bar in the fixed slot, the fixed rivet head that is provided with of rivet bar one end, rivet head one end movable sleeve is in the fixed slot, first rupture groove, funnel face and second rupture groove have been seted up to the rivet bar outer wall. This application is through the continuous removal of rivet stem, the funnel groove that makes the rivet cap can be to the funnel face extrusion deformation of rivet stem, and make second rupture groove department produce the fracture, the rivet stem one end that has the funnel face after making the deformation can be stayed in the rivet cap, because the rivet cap both ends can be given the jam by rivet head and cracked rivet stem, make external aqueous vapor make the inside rust of rivet cap in can not entering into the rivet cap, improve the inside leakproofness of rivet cap, the life of rivet has also been prolonged indirectly, the overall structure is simple, suitable bulk production.

Description

Matched rivet

Technical Field

The application relates to the technical field of rivets, in particular to a matched rivet.

Background

Rivets are nail-shaped articles used to connect two parts (or members) with through holes and a cap at one end. In riveting, the riveted parts are connected by self-deformation or interference. Rivets are of many kinds and are not limited in form. R-shaped rivets, fan rivets, blind rivets (core-impacting rivets), tree rivets, half-round heads, flat heads, half-blind rivets, solid rivets, countersunk rivets, blind rivets and blind rivets are commonly used, and these are usually connected with the riveted part by self-deformation. Cold riveting, generally less than 8 mm, and hot riveting, generally greater than this size. There are exceptions, such as the name plate on some locks, which is riveted by the interference of the rivet and the lock body hole.

The inside cavity of current rivet cap, in the external aqueous vapor enters into the rivet cap through the opening of rivet cap easily after the riveting, makes the inside corrosion that takes place of rivet cap easily, rusts and can reduce the riveting intensity that influences the rivet, reduces the life of rivet, so can't satisfy prior art needs.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that external aqueous vapor makes the inside rust of rivet cap easily after the riveting, this application provides a cooperation formula rivet.

The application provides a cooperation formula rivet adopts following technical scheme:

the utility model provides a cooperation formula rivet, includes the rivet cap, the fixed slot has been seted up in the rivet cap, funnel groove has been seted up to fixed slot one side, movable sleeve has the rivet bar in the fixed slot, the fixed rivet head that is provided with of rivet bar one end, rivet head one end movable sleeve is in the fixed slot, first rupture groove, funnel face and second rupture groove have been seted up to the rivet bar outer wall, first rupture groove is located between rivet head and the funnel face, the funnel face is located between first rupture groove and the second rupture groove, the second rupture groove is located between funnel face and the funnel groove.

Optionally, the rivet head outer wall is provided with a first arc surface and a second arc surface, and the second arc surface is located between the first arc surface and the rivet rod.

Optionally, the diameter sizes of the second arc surface and the fixing groove are smaller than the diameter size of the first arc surface.

Optionally, a rivet cover is fixedly arranged on one side of the outer wall of the rivet cap.

Optionally, a fixing circular hole is formed in the center of the rivet cover, and the rivet rod is movably sleeved in the fixing circular hole.

Optionally, the middle of the outer wall of the rivet rod is sleeved with a limiting ring, and the limiting ring is in a ring shape.

Optionally, one side of the limit ring is in contact with the outer wall of the rivet cover.

Optionally, the rivet cap is located between the rivet head and the rivet cover, and the rivet cover is located between the rivet cap and the limiting ring.

In summary, the present application includes at least one of the following benefits:

1. through the removal of riveter to the rivet stem for the rivet head can extrude rivet cap one end, makes the rivet cap produce deformation and stops up this one end of rivet cap, cooperates the first rupture groove to the disconnection of rivet stem and rivet head, and the rivet cap cooperation rivet lid that makes deformation comes to clip article with the riveting, and the cooperation of rivet cap, rivet stem and rivet head makes the riveting process very fast, has high performance and high reliability.

2. Continuous removal through the rivet stem, the funnel groove that makes the rivet cap can be to the funnel face extrusion deformation of rivet stem, and make second rupture groove department produce the fracture, the rivet stem one end that has the funnel face after making the deformation can be stayed in the rivet cap, because the rivet cap both ends can be given stifled by rivet head and cracked rivet stem, make external aqueous vapor make the inside rust of rivet cap in can not entering into the rivet cap, improve the inside leakproofness of rivet cap, the life of rivet has also been prolonged indirectly, the integrated structure is simple, suitable mass production.

Drawings

FIG. 1 is a schematic overall structure of the present application;

FIG. 2 is a schematic view of the interior of the overall structure of the present application;

fig. 3 is a top view of the overall structure of the present application.

Description of reference numerals: 1. a rivet cap; 11. fixing grooves; 12. a funnel groove; 2. a rivet stem; 21. a first rupture groove; 22. a funnel surface; 23. a second rupture groove; 24. a limiting ring; 3. a rivet head; 31. a first arc surface; 32. a second arc surface; 4. a rivet cover; 41. and fixing the round hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses cooperation formula rivet, refer to fig. 1-2, cooperation formula rivet includes rivet cap 1, fixed slot 11 has been seted up in rivet cap 1, funnel groove 12 has been seted up to fixed slot 11 one side, movable sleeve has rivet stem 2 in the fixed slot 11, rivet cap 1 can support rivet stem 2 through fixed slot 11, the fixed rivet head 3 that is provided with of 2 one ends of rivet stem, rivet stem 2 can support and fix rivet head 3, the movable sleeve of 3 one ends of rivet head is in fixed slot 11, make rivet head 3 can enter into in fixed slot 11.

Referring to fig. 2, the outer wall of the rivet shaft 2 is provided with a first breaking groove 21, a funnel surface 22 and a second breaking groove 23, the first breaking groove 21 is located between the rivet head 3 and the funnel surface 22, the funnel surface 22 is located between the first breaking groove 21 and the second breaking groove 23, and the second breaking groove 23 is located between the funnel surface 22 and the funnel groove 12, so that the first breaking groove 21, the funnel surface 22 and the second breaking groove 23 are conveniently distributed on the rivet shaft 2, the first breaking groove 21 can be broken first during riveting, then the funnel surface 22 can be contacted and extruded with the funnel groove 12, and then the second breaking groove 23 can be broken.

Referring to fig. 2, 3 outer walls of rivet head are provided with first cambered surface 31 and second cambered surface 32, second cambered surface 32 is located between first cambered surface 31 and rivet bar 2, the setting of first cambered surface 31 and second cambered surface 32 can make 3 big one ends of rivet head little, it extrudees rivet cap 1 to be convenient for rivet head 3, second cambered surface 32, the diameter size of fixed slot 11 all is less than the diameter size of first cambered surface 31, make rivet head 3 can extrude rivet cap 1 and fixed slot 11, make rivet cap 1 produce deformation.

Referring to fig. 2-3, a rivet cover 4 is fixedly arranged on one side of the outer wall of a rivet cap 1, the rivet cap 1 can support and fix the rivet cover 4, the rivet cover 4 can partially shield and limit one side of a riveted object, a fixing circular hole 41 is arranged at the center of the rivet cover 4, a rivet rod 2 is movably sleeved in the fixing circular hole 41, so that the rivet rod 2 can move in the rivet cover 4 through the fixing circular hole 41, a limit ring 24 is sleeved in the middle of the outer wall of the rivet rod 2, the limit ring 24 is in a circular ring shape, the limit ring 24 in the circular ring shape can limit the rivet rod 2 by matching with a rivet head 3, the rivet rod 2 is prevented from falling off the rivet cap 1 before riveting, one side of the limit ring 24 is contacted with the outer wall of the rivet cover 4, the rivet cover 4 can support the limit ring 24, the rivet cap 1 is positioned between the rivet head 3 and the rivet cover 4, so that the rivet head 3 can clamp the riveted two objects by matching with the rivet cover 4, the rivet cover 4 is located between the rivet cap 1 and the retainer ring 24.

The implementation principle of a fit type rivet of this application embodiment does:

when in use, the rivet cap 1 can be sleeved in the fixing holes of two objects, one side of the rivet cover 4 can be contacted with one object, then one end of the rivet rod 2 is fixedly installed in the rivet gun, after the rivet gun is opened, the rivet head 3 can be pulled to the rivet cap 1 through the rivet rod 2, the rivet head 3 extrudes the rivet cap 1 and enables the rivet cap 1 to deform, the first breaking groove 21 can be broken along with continuous pulling, the broken rivet head 3 can be left in the rivet cap 1 and plug one end of the rivet cap 1, then the funnel surface 22 of the rivet rod 2 can be pressed into the funnel groove 12 of the rivet cap 1 along with continuous pulling, the funnel surface 22 and the funnel groove 12 can be deformed, at the moment, the second breaking groove 23 can be broken, one end of the rivet rod 2 with the funnel surface 22 after deformation can be left in the rivet cap 1 to plug the other end of the rivet cap 1, prevent that aqueous vapor from getting into rivet cap 1 inside, rivet bar 2 after the secondary fracture this moment can be pulled from rivet cap 1, makes rivet cap 1 and rivet lid 4 after the deformation accomplish two article and rivet, and the riveting in-process only needs to fix rivet bar 2 in the riveter and open the riveter for the riveting process is quicker.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A fitted rivet comprising a rivet cap (1), characterized in that: seted up fixed slot (11) in rivet cap (1), funnel groove (12) have been seted up to fixed slot (11) one side, movable sleeve has rivet bar (2) in fixed slot (11), rivet bar (2) one end is fixed to be provided with rivet head (3), rivet head (3) one end movable sleeve is in fixed slot (11), first rupture groove (21), funnel face (22) and second rupture groove (23) have been seted up to rivet bar (2) outer wall, first rupture groove (21) are located between rivet head (3) and funnel face (22), funnel face (22) are located between first rupture groove (21) and second rupture groove (23), second rupture groove (23) are located between funnel face (22) and funnel groove (12).

2. A fitting rivet according to claim 1, wherein: the outer wall of the rivet head (3) is provided with a first arc surface (31) and a second arc surface (32), and the second arc surface (32) is located between the first arc surface (31) and the rivet rod (2).

3. A fitting rivet according to claim 2, characterized in that: the diameter sizes of the second cambered surface (32) and the fixing groove (11) are smaller than that of the first cambered surface (31).

4. A fitting rivet according to claim 1, wherein: and a rivet cover (4) is fixedly arranged on one side of the outer wall of the rivet cap (1).

5. A fitting rivet according to claim 4, characterized in that: a fixing circular hole (41) is formed in the center of the rivet cover (4), and the rivet rod (2) is movably sleeved in the fixing circular hole (41).

6. A fitting rivet according to claim 5, characterized in that: the middle part of the outer wall of the rivet rod (2) is sleeved with a limiting ring (24), and the limiting ring (24) is in a ring shape.

7. A fitting rivet according to claim 6, characterized in that: one side of the limiting ring (24) is in contact with the outer wall of the rivet cover (4).

8. A fitting rivet according to claim 6, characterized in that: the rivet cap (1) is located between the rivet head (3) and the rivet cover (4), and the rivet cover (4) is located between the rivet cap (1) and the limiting ring (24).