CN215596096U - Multi-plate connecting rivet - Google Patents

Abstract

The application discloses a multi-plate connecting rivet, which comprises a first riveting body, wherein the first riveting body comprises a first riveting cap, a first riveting pipe and a rivet core, one end of the first riveting pipe is fixedly connected with the first riveting cap, the rivet core is inserted in the first riveting pipe, a large rivet head and a small rivet head are arranged on the rivet core along the length direction of the rivet core, the large rivet head is arranged at one end, far away from the first riveting cap, of the first riveting pipe in a protruding manner, the large rivet head is in butt fit with the first riveting pipe, the small rivet head is arranged in the first riveting pipe, the diameter, close to the first riveting cap, of the small rivet head of the first riveting pipe is smaller than that of the small rivet head, far away from the first riveting cap, the periphery of the rivet core, between the small rivet head and the first riveting cap, is provided with a first neck breaking groove, the first riveting pipe is deformed at two places successively, the first riveting plate, the second plate, the third plate and the second plate are riveted and fixed, and the effect of the rivet on three plates is improved, the riveting device has the characteristics of good riveting effect and good sealing performance.

Description

Multi-plate connecting rivet

Technical Field

The application relates to the field of rivet fasteners, in particular to a multi-plate connecting rivet.

Background

The rivet is a nail-shaped part for tightly connecting a plurality of components or objects, during the riveting process, the riveted objects are tightly connected through self deformation or interference fit, the rivet is of a plurality of types and mainly comprises a self-plugging rivet, a mate rivet, a countersunk head rivet and the like.

The rivet is generally used for connecting two members or articles, and more than two articles need to be riveted under special circumstances, in the related art, as shown in fig. 1, there is a working condition of three-plate connection, including a first plate 10, a second plate 20 and a third plate 30, the second plate 20 is arranged in a "u" shape structure and forms an abutting fit with the first plate 10, the third plate 30 is located between the first plate 10 and the second plate 20 and forms an abutting fit with the second plate 20, and the middle portions of the first plate, the second plate and the third plate are all provided with through holes 40.

When riveting three plates in the related art, the conventional rivet can only rivet the first plate and the second plate, but it is difficult to rivet and fix the third plate, and there is a room for improvement.

SUMMERY OF THE UTILITY MODEL

In order to improve the riveting effect when the rivet rivets the operation to three panel, this application provides a rivet is connected to many panels.

The application provides a many panels connect rivet adopts following technical scheme:

the utility model provides a many panels connect rivet, includes first riveting body, first riveting body includes first rivet cap, first rivet pipe and core, the one end and the first rivet cap fixed connection of first rivet pipe, the core is pegged graft and is set up in first rivet pipe, be provided with big pin fin and little pin fin along its length direction on the core, the big pin fin is the one end setting that first rivet cap was kept away from to outstanding first rivet pipe, just big pin fin and first rivet pipe form the butt cooperation, the little pin fin is located first rivet pipe, the diameter that first rivet pipe is located little pin fin and is close to first rivet cap one side is less than the diameter that first rivet cap one side was kept away from to the little pin fin, first disconnected neck groove has been seted up to the week side that the core is located between little pin fin and the first rivet cap.

Through adopting above-mentioned technical scheme, when needs rivet three panel, penetrate first riveting pipe in the through-hole of three parallel panel, and rivet the rivet core, big pin fin and little pin fin move along the side that is close to first rivet cap along the rivet core this moment, and make big pin fin extrusion first riveting pipe diameter great part, later little pin fin removes and extrudes first riveting pipe diameter less part, make first riveting pipe successively take place deformation in two places, the great part of first riveting pipe diameter takes place the deformation back, rivet first panel and second panel, the less part of first riveting pipe diameter takes place the deformation back, rivet third panel and second panel, because first panel and third panel all with the riveting of second panel, be favorable to improving the riveting effect when three panel is riveted.

Preferably, a second neck breaking groove is formed in the periphery of the nail core between the big nail head and the small nail head, and the depth of the second neck breaking groove is larger than that of the first neck breaking groove.

Through adopting above-mentioned technical scheme, after first panel and second panel have accomplished the riveting, continue to rivet, the core of a nail breaks off from the disconnected neck groove of second earlier this moment, make the pin fin continue to extrude the less part of first riveting pipe diameter, break off from the disconnected neck groove of first breaking until the core of a nail, the setting up of the disconnected neck groove of second has increased the rivet stroke of pin fin, be favorable to improving the extrusion effect of pin fin to first riveting pipe, thereby improve the riveting effect of third panel and second panel.

Preferably, an annular groove is formed in one side, close to the first riveting pipe, of the large nail head, and one end, far away from the first riveting cap, of the first riveting pipe is in inserting fit with the annular groove.

Through adopting above-mentioned technical scheme, the setting of annular groove can make the great part of first riveting pipe diameter change the emergence deformation under the extrusion of big pin fin at the rivet in-process, is favorable to improving the riveting effect of first panel and second panel.

Preferably, a first sealing rubber ring is arranged at the joint of the first riveting pipe and the first riveting cap.

Through adopting above-mentioned technical scheme, after accomplishing the riveting operation, first sealing rubber ring forms the butt cooperation with the inner wall of first riveting cap outer wall and second panel through-hole respectively, is favorable to improving the leakproofness that first riveting pipe is located second panel through-hole department.

Preferably, the riveting device further comprises a second riveting body, the second riveting body comprises a second riveting cap and a second riveting pipe, one end of the second riveting pipe is fixedly connected with the second riveting cap, and the first riveting pipe is inserted into the other end of the second riveting pipe and forms a splicing sliding fit with the second riveting pipe.

Through adopting above-mentioned technical scheme, through the setting of second riveting body, be favorable to cooperating first riveting body to carry out the centre gripping riveting to first panel and second panel, play the effect of spouse rivet, be favorable to further improving the riveting effect of first panel and second panel.

Preferably, the outer wall of the first riveting pipe and the inner wall of the second riveting pipe are provided with frosted layers.

Through adopting above-mentioned technical scheme, the frictional force between first riveting pipe and the second riveting pipe can be increased in setting up of dull polish layer, can make first riveting body and second riveting body be difficult for taking place relative slip and becoming flexible at the riveting in-process, is favorable to further improving riveting effect.

Preferably, the first rivet cap is provided with the antiskid nail near one side of the second rivet cap, the second rivet cap is provided with the antiskid nail near one side of the first rivet cap, just the first antiskid nail and the second antiskid nail on the rivet cap all are provided with a plurality ofly.

Through adopting above-mentioned technical scheme, when rivet the operation, first riveting cap will butt second panel, and the second rivets the cap and will butt first panel, sets up the antiskid ribbed tile and can rivet when first riveting cap butt second panel or second rivet the first panel of cap butt, makes the antiskid ribbed tile pierce second panel and first panel, is favorable to improving the fastening nature behind first panel and the riveting of second panel.

Preferably, a second sealing rubber ring is arranged at the joint of the second riveting pipe and the second riveting cap.

Through adopting above-mentioned technical scheme, after accomplishing the riveting operation, the second is sealed the rubber ring and is riveted the cap outer wall with the second respectively and form the butt cooperation with the inner wall of first panel through-hole, is favorable to improving the leakproofness that the second is riveted the pipe and is located first panel through-hole department.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the small nail head is used for extruding the side, with the smaller diameter, of the first riveting pipe in the riveting process, so that the part, with the smaller diameter, of the first riveting pipe is deformed, the abutting riveting of a third plate and a second plate can be realized, the large nail head is used for extruding the side, with the larger diameter, of the first riveting pipe, the abutting riveting of the first plate and the second plate can be realized, and the riveting effect of the third plate and the second plate when three plates are riveted can be improved as the first plate and the third plate are riveted and fixed with the second plate;

2. by means of the arrangement of the first neck breaking groove and the second neck breaking groove, the rivet core is disconnected from the second neck breaking groove after the first plate and the second plate are riveted, the small rivet head continuously extrudes the part with the smaller diameter of the first riveting pipe at the moment, the rivet pulling stroke of the rivet head is increased, and therefore the riveting effect of the third plate and the second plate is further improved;

3. through the arrangement of the first sealing rubber ring and the second sealing rubber ring, the sealing performance of the first plate and the second plate after the riveting operation is completed is improved.

Drawings

FIG. 1 is a schematic cross-sectional view of a spatial structure of three sheets under related art conditions;

FIG. 2 is a schematic axial view of a multi-plate connecting rivet according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of the rivet showing the inner structure of a multi-plate connecting rivet;

fig. 4 is a schematic cross-sectional view of a spatial structure of a multi-plate connecting rivet applied in a related art working condition according to an embodiment of the present application.

Reference numerals: 1. a first rivet body; 11. a first rivet cap; 12. a first rivet pipe; 121. a first sealing rubber ring; 13. a nail core; 131. a large nail head; 1311. an annular groove; 132. a small nail head; 133. a first neck breaking groove; 134. a second neck breaking groove; 2. a second rivet body; 21. a second rivet cap; 22. a second riveting tube; 221. a second sealing rubber ring; 3. sanding layer; 4. and (4) anti-skid nails.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses rivet is connected to many panels.

Referring to fig. 2, the multi-plate connecting rivet includes a first rivet body 1 and a second rivet body 2, the first rivet body 1 includes a first rivet cap 11, a first rivet tube 12 and a rivet core 13, the second rivet body 2 includes a second rivet cap 21 and a second rivet tube 22, one end of the first rivet tube 12 is fixedly connected with the first rivet cap 11, one end of the second rivet tube 22 is fixedly connected with the second rivet cap 21, the diameter of the first rivet tube 12 is smaller than that of the second rivet tube 22 and forms a plugging sliding fit with the second rivet tube 22, the rivet core 13 is plugged in the first rivet tube 12, a large rivet head 131 and a small rivet head 132 are arranged on the rivet core 13 along the length direction thereof, the large rivet head 131 is arranged to protrude out of one end of the first rivet tube 12 far from the first rivet cap 11, one side of the large rivet head 131 close to the first rivet cap 11 abuts against a pipe orifice 12, the small rivet head 132 is arranged in the first rivet tube 12, the first rivet tube 12 is arranged on one side of the first rivet tube 12 close to the small rivet head 132, the first rivet head is smaller than the diameter of the first rivet cap 11, the periphery of the mandrel 13 between the small head 132 and the first nut is provided with a first neck breaking groove 133, the periphery of the mandrel 13 between the large head 131 and the small head 132 is provided with a second neck breaking groove 134, and the depth of the second neck breaking groove 134 is greater than that of the first neck breaking groove 133.

In practical use, when three plates need to be riveted, as shown in fig. 1 and 4, the second rivet tube 22 of the second rivet body 2 sequentially passes through the through holes of the third plate and the second plate of the first plate, and the first rivet tube 12 of the first rivet body 1 passes through the second rivet tube 22 from the other side of the second plate, at this time, a rivet gun is used to connect the rivet core 13 and rivet, as the rivet gun pulls the rivet core 13, the large rivet head 131 and the small rivet head 132 move along one side close to the first rivet cap 11 along the rivet core 13, and the large rivet head 131 presses the part with the larger diameter of the first rivet tube 12, and then the small rivet head 132 moves and presses the part with the smaller diameter of the first rivet tube 12, so that two parts of the first rivet tube 12 are deformed, as shown in fig. 1 and 4, after the part with the larger diameter of the first rivet tube 12 is deformed, the second rivet tube 22 is driven to be successively deformed, and the first plate is riveted with the second plate under the action of the first riveting cap 11 and the second riveting cap 21, at the moment, the nail core 13 is broken from the second neck breaking groove 134, and the rest of the nail core 13 drives the small nail head 132 to continuously extrude the part with the smaller diameter of the first riveting tube 12, after the part with the smaller diameter of the first riveting tube 12 is deformed, the third plate is riveted with the second plate, at the moment, the nail core 13 is broken from the first neck breaking groove 133, and because the first plate and the third plate are riveted and fixed with the second plate, the riveting effect of the three plates in riveting is favorably improved.

Referring to fig. 3, an annular groove 1311 is formed in one side of the large nail head 131 close to the first rivet pipe 12, one end of the first rivet pipe 12, which is far away from the first rivet cap 11, is in insertion fit with the annular groove 1311, a first sealing rubber ring 121 is arranged at a fixed connection position of the first rivet pipe 12 and the first rivet cap 11, and a second sealing rubber ring 221 is arranged at a fixed connection position of the second rivet pipe 22 and the second rivet cap 21;

referring to fig. 4, the outer wall of the first riveting tube 12 and the inner wall of the second riveting tube 22 are both provided with a frosted layer 3, a plurality of anti-skid nails 4 are arranged on the first riveting cap 11 close to the second riveting cap 21 in a circumferential array, a plurality of anti-skid nails 4 are arranged on the second riveting cap 21 close to the first riveting cap 11 in a same circumferential array, and in this embodiment, four anti-skid nails 4 are arranged on the first riveting cap 11 and the second riveting cap 21.

In-service use, annular groove 1311's setting can make one side that first riveting cap 11 was kept away from to first riveting pipe 12 change under the extrusion of big nail head 131 and take place deformation, it takes place bulging deformation to drive second riveting pipe 22 simultaneously, be favorable to improving the riveting effect of first panel and second panel, after accomplishing the riveting operation, first sealing rubber ring 121 forms the butt cooperation with the outer wall of first riveting cap 11 and the inner wall of second panel through-hole respectively, second sealing rubber ring 221 forms the butt cooperation with the outer wall of second riveting cap 21 and the inner wall of first panel through-hole respectively, there is the two all to be favorable to improving the leakproofness between riveting back panel and the rivet.

Simultaneously, the frictional force between 12 and the second riveting pipes 22 of first riveting pipe can be increased in the setting of frosting layer 3, make first riveting body 1 and second riveting body 2 difficult not hard up in the riveting process after pegging graft, and during the setting of antiskid nail 4 can be in first riveting cap 11 butt second panel and the first panel of second riveting cap 21 butt, pierce second panel and first panel with antiskid nail 4, the two all is favorable to further improving the fastening nature after first panel and the riveting of second panel.

The implementation principle of the multi-plate connecting rivet is as follows: when three plates need to be riveted, as shown in fig. 1 and 4, the first riveting tube 12 and the second riveting tube 22 are inserted into through holes of the three plates and are inserted, at this time, a rivet gun is used for rivet pulling operation, the large nail head 131 and the small nail head 132 respectively extrude a part with a larger diameter and a part with a smaller diameter of the first riveting tube 12 along with rivet pulling, two parts of the first riveting tube 12 are sequentially deformed, the first riveting tube 12 after deformation respectively rivets the first plate, the second plate, the third plate and the second plate, in the rivet pulling process, the nail core 13 is sequentially disconnected at the second neck breaking groove 134 and the first neck breaking groove 133, at this moment, the riveting operation on the three plates is completed, and because the first plate and the third plate are both fixed with the second riveting plate, the riveting effect of the three plates during riveting is favorably improved.

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 (8)

1. The utility model provides a many panels connect rivet which characterized in that: including first riveting body (1), first riveting body (1) is including first rivet cap (11), first rivet pipe (12) and core (13), the one end and first rivet cap (11) fixed connection of first rivet pipe (12), peg core (13) are pegged graft and are set up in first rivet pipe (12), be provided with big pin fin (131) and little pin fin (132) along its length direction on core (13), big pin fin (131) are outstanding first rivet pipe (12) and keep away from the one end setting of first rivet cap (11), just big pin fin (131) form the butt cooperation with first rivet pipe (12), little pin fin (132) are located first rivet pipe (12), first rivet pipe (12) are located the diameter that little pin fin (132) are close to first rivet cap (11) one side and are less than the diameter that little pin fin (132) keep away from first rivet cap (11) one side, the week side of first rivet cap (13) is seted up between first rivet cap (11) and the neck groove (11) and little pin fin (132) break groove (11) 133).

2. A multi-panel attachment rivet according to claim 1, wherein: and a second neck breaking groove (134) is formed in the periphery of the nail core (13) between the large nail head (131) and the small nail head (132), and the depth of the second neck breaking groove (134) is greater than that of the first neck breaking groove (133).

3. A multi-panel attachment rivet according to claim 2, wherein: an annular groove (1311) is formed in one side, close to the first riveting pipe (12), of the large nail head (131), and one end, far away from the first riveting cap (11), of the first riveting pipe (12) is in plug-in fit with the annular groove (1311).

4. A multi-panel attachment rivet according to claim 3, wherein: the first riveting pipe (12) is provided with a first sealing rubber ring (121) at the joint of the first riveting pipe and the first riveting cap (11).

5. A multi-panel attachment rivet according to claim 1, wherein: still include the second riveting body (2), the second riveting body (2) is including second riveting cap (21) and second riveting pipe (22), the one end and the second riveting cap (21) fixed connection of second riveting pipe (22), first riveting pipe (12) insert the other end of second riveting pipe (22) and form the cooperation of pegging graft and sliding with second riveting pipe (22).

6. A multi-panel attachment rivet according to claim 5, wherein: and a frosted layer (3) is arranged on the outer wall of the first riveting pipe (12) and the inner wall of the second riveting pipe (22).

7. A multi-panel attachment rivet according to claim 6, wherein: one side that first riveting cap (11) is close to second riveting cap (21) is provided with antiskid nail (4), one side that second riveting cap (21) is close to first riveting cap (11) is provided with antiskid nail (4), just antiskid nail (4) on first riveting cap (11) and the second riveting cap (21) all are provided with a plurality ofly.

8. A multi-panel attachment rivet according to claim 7, wherein: and a second sealing rubber ring (221) is arranged at the joint of the second riveting pipe (22) and the second riveting cap (21).

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