CN212407253U

CN212407253U - Novel rivet structure

Info

Publication number: CN212407253U
Application number: CN202021129317.2U
Authority: CN
Inventors: 顾书凤
Original assignee: Kunshan Pat Metal Products Co ltd
Current assignee: Kunshan Pat Metal Products Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-01-26
Anticipated expiration: 2030-06-17

Abstract

The utility model discloses a novel rivet structure, which comprises a rivet rod, a rivet cap and an end cap; the nail cap is connected to the lower end of the nail rod, and the upper end of the nail rod is divided into at least two petal bodies through a dividing groove extending along the axial direction; the inside of the nail rod is connected with a pull rod, and the pull rod extends along the center of the dividing groove and penetrates through the upper end of the dividing groove; the inside formation cavity of end cap, the center of the lower lateral wall of end cap is provided with the confession the lamella body of nail pole inserts the first through-hole of cavity, the downside of the last lateral wall of end cap just is provided with the arch that is used for with each lamella body expands, bellied center is equipped with and runs through the last lateral wall of end cap and confession the second through-hole that the pull rod passed. The utility model discloses the riveting is firm, and the appearance after the riveting is pleasing to the eye, and riveting convenient operation.

Description

Novel rivet structure

Technical Field

The utility model relates to a rivet technical field, concretely relates to novel rivet structure.

Background

The rivet is a fastener for connecting two workpieces with through holes, and fig. 1 shows a common rivet structure, the rivet comprises a shank 10 and a nut 20 connected to one end of the shank 10, the other end of the shank 10 is divided into two parts by a dividing groove 11, when riveting, the shank 10 passes through a hole on the workpiece 40, the nut 20 is pressed against one side of the workpiece 40, then the two parts at the end of the shank 10 are expanded, so that the two parts at the end of the shank 10 are folded outwards and pressed against the other side of the workpiece 40, thereby realizing riveting.

The rivet structure has the problems that the riveting is not firm, the appearance after riveting is not attractive, and when the end part of the nail rod 10 is expanded, the nail cap 20 at the other end of the nail rod needs to be propped, so that the operation is inconvenient in some cases.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a novel rivet structure to make its riveting firm, the appearance after the riveting is pleasing to the eye, and riveting convenient operation.

The utility model provides a novel rivet structure, which comprises a rivet rod and a rivet cap connected with the lower end of the rivet rod, wherein the upper end of the rivet rod is divided into at least two petal bodies by a dividing groove extending along the axial direction; the inside of the nail rod is connected with a pull rod, and the pull rod extends along the center of the dividing groove and penetrates through the upper end of the dividing groove; still include the end cap, the inside vacuole formation of end cap, the center of the lower lateral wall of end cap is provided with the confession the lamella body of nail pole inserts the first through-hole of cavity, the downside of the last lateral wall of end cap is just right first through-hole is provided with and is used for each the arch that the lamella body expands, bellied center is equipped with and runs through the last lateral wall of end cap and confession the second through-hole that the pull rod passed.

Furthermore, the bulge is wedge-shaped, and the upper end of the nail rod is broken and divided into two petal bodies through a dividing groove.

Furthermore, the bulge is conical, and the upper end of the nail rod is broken and divided into a plurality of petal bodies through the dividing groove.

Further, the pull rod comprises an annular groove clamping section and a smooth section which are connected up and down, wherein the annular groove clamping section penetrates out of the end cap during riveting.

Further, a breaking groove is arranged between the annular groove clamping section and the smooth section.

Further, the nail rod, the nail cap and the end cap are all metal pieces.

The beneficial effects of the utility model are embodied in: during riveting, a nail rod penetrates through a hole in a workpiece, then a second through hole in an end cap is sleeved in from the upper end of a pull rod, the end cap is moved downwards until a valve body of the nail rod penetrates into the end cap from a first through hole, a protrusion is aligned with a dividing groove, then a muzzle of a pneumatic ring groove rivet gun is sleeved on the pull rod, the muzzle is abutted against the end cap, a trigger on the gun is triggered, the rivet gun pulls the pull rod upwards and presses down the end cap at the same time, and the valve body is expanded by the protrusion and extends outwards and is pressed on the lower side wall of the end cap under the extrusion matching of the upper side wall of the end cap, so that riveting can be realized; after riveting is finished, the flap body is clamped and fixed in the end cap, so that riveting failure caused by the flap body being turned up can be prevented, and riveting is firmer compared with the prior art; after riveting, the part of the pull rod extending out of the end cap is cut off, so that the valve body is not exposed outside, and the appearance is attractive; in addition, riveting is carried out in a pulling riveting mode, a nail cap does not need to be propped, and riveting operation is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic diagram of a prior art structure;

fig. 2 is a schematic structural diagram of an embodiment of the present invention;

FIG. 3 is a schematic structural view of a nail rod and a nail head according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an end cap according to an embodiment of the present invention.

In the drawings: 10-a nail rod; 11-dividing the groove; 12-a flap body; 13-a pull rod; 131-ring groove clamping section; 132-smooth section; 133-a fracture groove; 20-nail cap; 30-an end cap; 31-a cavity; 32-a lower sidewall; 321-a first via; 33-upper side wall; 331-a bump; 332-second via hole; 40-workpiece.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

As shown in fig. 2-4, the present invention provides a novel rivet structure, which includes a shank 10, a nut 20 and an end cap 30.

Referring to fig. 2 and 3, the nut 20 is attached to the lower end of the shank 10, the upper end of the shank 10 is divided into at least two petals 12 by a dividing groove 11 extending in the axial direction, and generally, the end of the shank 10 is divided into two petals 12 by a planar dividing groove 11 or four petals 12 by a cruciform dividing groove 11. The nail rod 10 is internally connected with a pull rod 13, and the pull rod 13 extends along the center of the dividing groove 11 and penetrates through the upper end of the dividing groove 11.

Referring to fig. 2 and 4, the end cap 30 has a cavity 31 formed therein, the lower side wall 32 of the end cap 30 has a first through hole 321 at the center thereof for inserting the petals 12 of the nail shaft 10 into the cavity 31, the upper side wall 33 of the end cap 30 has a protrusion 331 opposite to the first through hole 321 for expanding the petals 12, and the protrusion 331 has a second through hole 332 at the center thereof for passing the pull rod 13 therethrough and passing through the upper side wall 33 of the end cap 30.

The shank 10, the nut 20 and the end cap 30 of the present embodiment may be specifically metal pieces having good ductility.

The protrusion 331 may be wedge-shaped or tapered, the wedge-shaped protrusion 331 is suitable for the case where the upper end of the nail shank 10 is divided into two petals 12 by the dividing groove 11, and the tapered protrusion 331 is suitable for the case where the upper end of the nail shank 10 is divided into two or more petals 12 by the dividing groove 11.

During riveting, the nail rod 10 penetrates through a hole on the workpiece 40, then the second through hole 332 on the end cap 30 is sleeved in from the upper end of the pull rod 13, then the end cap 30 is moved downwards until the flap body 12 of the nail rod 10 penetrates into the end cap 30 from the first through hole 321, the protrusion 331 is aligned with the dividing groove 11, then the muzzle of the pneumatic ring groove rivet gun is sleeved on the pull rod 13, the muzzle is abutted against the end cap 30, the trigger on the gun is buckled, the rivet gun pulls the pull rod 13 upwards, meanwhile, the end cap 30 is pressed downwards, at the moment, the flap body 12 is expanded by the protrusion 331, and extends outwards and is pressed on the lower side wall 32 of the end cap 30 under the extrusion fit of the upper side wall 33 of the end cap 30, and then riveting can be realized; after riveting, the petal body 12 is clamped and fixed in the end cap 30, so that riveting failure caused by the fact that the petal body 12 is turned over can be prevented, and riveting is firmer compared with the prior art; after riveting, the part of the pull rod 13 extending out of the end cap 30 is cut off, so that the flap body 12 is not exposed outside, and the appearance is attractive; in addition, riveting is carried out in a pulling riveting mode, the nail cap 20 does not need to be propped, and riveting operation is convenient.

As a preferred pull rod structure, referring to fig. 2 and 3, the pull rod 13 includes an annular groove clamping section 131 and a smooth section 132 connected up and down, wherein the annular groove clamping section 131 penetrates through the end cap 30 during riveting, the annular groove clamping section 131 of the pull rod 13 is clamped in the muzzle of the rivet gun during riveting, and is not easy to slide, and the smooth section 132 is located in the dividing groove 11, and has a good guiding function for the end cap 30, and does not cause jamming. Preferably, a breaking groove 133 is arranged between the annular groove clamping section 131 and the smooth section 132, after the end cap 30 is clamped, the pull rod 13 is continuously pulled, so that the pull rod 13 is broken at the breaking groove 133, and the part of the pull rod 13 extending out of the end cap 30 can be cut off after riveting is completed.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a novel rivet structure, including the nail pole and connect in the nail cap of nail pole lower extreme, the upper end of nail pole is cut apart into two at least lamella bodies, its characterized in that through the cut-off groove along axial extension:

the inside of the nail rod is connected with a pull rod, and the pull rod extends along the center of the dividing groove and penetrates through the upper end of the dividing groove;

still include the end cap, the inside vacuole formation of end cap, the center of the lower lateral wall of end cap is provided with the confession the lamella body of nail pole inserts the first through-hole of cavity, the downside of the last lateral wall of end cap is just right first through-hole is provided with and is used for each the arch that the lamella body expands, bellied center is equipped with and runs through the last lateral wall of end cap and confession the second through-hole that the pull rod passed.

2. A novel rivet structure according to claim 1, characterized in that: the bulge is wedge-shaped, and the upper end of the nail rod is broken and divided into two clack bodies through a dividing groove.

3. A novel rivet structure according to claim 1, characterized in that: the bulge is conical, and the upper end of the nail rod is broken and divided into a plurality of valve bodies through the dividing groove.

4. A novel rivet structure according to claim 1, characterized in that: the bulge is conical, and the upper end of the nail rod is broken and divided into a plurality of valve bodies through the dividing groove.

5. A novel rivet structure according to claim 1, characterized in that: the pull rod comprises an annular groove clamping section and a smooth section which are connected up and down, wherein the annular groove clamping section penetrates out of the end cap during riveting.

6. The novel rivet structure of claim 5, characterized in that: and a fracture groove is arranged between the annular groove clamping section and the smooth section.

7. A novel rivet structure according to claim 1, characterized in that: the nail rod, the nail cap and the end cap are all metal pieces.