CN210889598U

CN210889598U - Post-positioned member rivet connection structure of composite material part

Info

Publication number: CN210889598U
Application number: CN201921939365.5U
Authority: CN
Inventors: 朱凌峰; 钱冠杰; 王訾孝
Original assignee: Styx Plastics Co ltd
Current assignee: Styx Plastics Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-06-30
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses a rivet connecting structure for a rear part of a composite part, which comprises a plate body (1) and a rivet (2) matched and connected with the plate body (1), wherein the plate body (1) is provided with a through hole (11); the one end of rivet nail (2) is spacing end (21), spacing end (21) is greater than the diameter of through-hole (11), spacing end (21) is provided with deformation hole (24), the other end of rivet nail (2) is link (22), link (22) are provided with internal thread hole (25), internal thread hole (25) are linked together with deformation hole (24), rivet nail (2) are worn to locate in through-hole (11), spacing end (21) of rivet nail (2) and the backplate of panel body (1) are laminated mutually, for producing the deformation section of deformation arch (23) under the effect of rivet nail (4) between spacing end (21) and link (22), the flexible structural design of rearmounted rivet joint structure of above-mentioned composite material part, do not receive the restriction of sheet metal material.

Description

Post-positioned member rivet connection structure of composite material part

Technical Field

The utility model relates to a connection structure especially relates to a rearmounted rivet connection structure of combined material part.

Background

When one metal plate needs to be in threaded connection with other parts, only a nut or a bolt needs to be welded on the metal plate; under the tide designed by replacing steel with plastic and realizing light weight, the composite material molded plate replaces the original metal plate, but the composite material molded plate cannot provide an installation point by welding nuts or bolts, and does not have enough thickness to embed the nuts or bolts in advance.

Therefore, there is a need for an improved flat plate connection structure in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the defect that exists among the prior art, provide a rearmounted rivet connection structure of combined material part, nimble structural design does not receive the restriction of sheet metal material, realizes being connected of sheet metal and other spare parts.

In order to realize the technical effects, the utility model adopts the technical scheme that: the pull rivet connecting structure for the rear part of the composite material part is characterized by comprising a plate body (1) and a pull rivet (2) matched and connected with the plate body (1), wherein the plate body (1) is arranged in a thin wall manner, and the plate body (1) is provided with a through hole (11); the one end of rivet (2) is spacing end (21), spacing end (21) are greater than the diameter of through-hole (11), spacing end (21) are provided with deformation hole (24), the other end of rivet (2) is link (22), link (22) are provided with internal thread hole (25), internal thread hole (25) with deformation hole (24) are linked together, rivet (2) wear to locate in through-hole (11), spacing end (21) of rivet (2) with the backplate of panel body (1) is laminated mutually, spacing end (21) with for producing the deformation section of deformation arch (23) under the effect of rivet gun (4) between link (22), panel body (1) press from both sides and establish the locking and locate arch (23) with between spacing end (21). Through the design, the blind rivet is fixed on the thin plate, and the installation point can be provided on the thin plate made of the composite material.

Preferably, the diameter of the deformation hole (24) is larger than that of the internal thread hole (25). Through the design, the connecting end has enough wall thickness to bear the drawing force; the deformation section is easy to deform and cannot break.

The preferable technical scheme is that the limiting end (21) is arranged in an oval shape; the through hole (11) is a step hole, and the first layer of the step hole (12) adjacent to the back plate of the plate body (1) and the limiting end (21) are arranged along with each other. Through the design, the limiting end and the first layer of stepped holes are arranged in an oval shape, so that the pulling rivet is prevented from rotating when being assembled with parts, and the torsional strength is improved.

The optimized technical scheme is that a positioning protrusion (3) matched with a part is arranged on a front panel of the plate body (1). Through the design, the purpose of quickly positioning the parts can be achieved.

The utility model has the advantages and the beneficial effects that: the pull rivet connecting structure of the postposition part made of the composite material has reasonable design, and the pull rivet with the internal thread is fixed with the novel composite material part, so that the purpose of providing a mounting point on the novel composite material part is achieved; the limiting end of the blind rivet is made into an oval shape, and the first-layer step hole of the novel composite material part is made into an oval shape matched with the limiting end, so that the torsional strength of the blind rivet is improved.

Drawings

Fig. 1 is a schematic structural view of an embodiment 1 of a pull rivet connection structure of a rear part of a composite material part of the present invention;

fig. 2 is a schematic structural view (another view) of an embodiment 1 of the pull-rivet connecting structure for the rear part of the composite material part of the present invention;

fig. 3 is a schematic view of a back plate of a sheet body 1 in embodiment 1 of a rivet connecting structure for a rear part of a composite part according to the present invention;

fig. 4 is a rear view of a blind rivet 2 in the embodiment 1 of the blind rivet connecting structure for the rear part of the composite material part of the present invention;

fig. 5 is a front view of a blind rivet 2 in the embodiment 1 of the blind rivet connecting structure for the rear part of the composite material part of the present invention;

fig. 6 is a cross-sectional view of a blind rivet 2 in the embodiment 1 of the blind rivet connecting structure of the rear part of the composite material part of the present invention;

fig. 7 is a front view of a rivet 2 deformed to form a protrusion 23 in the post-rivet connecting structure of the composite material part according to embodiment 1 of the present invention;

fig. 8 is a cross-sectional view of a rivet 2 deformed to produce a protrusion 23 in the post-rivet connecting structure of the composite material part of the present invention according to embodiment 1;

fig. 9 is a schematic structural view of the blind rivet gun 4 in embodiment 1 of the post-rivet connecting structure of the composite material part of the present invention.

In the figure: 1. a plate body; 11. a through hole; 12. a first layer of stepped holes; 2. pulling a rivet; 21. a limiting end; 22. a connecting end; 23. a protrusion; 24. a deformation hole; 25. an internally threaded bore; 3. a protrusion; 4. a rivet pulling gun; 41. a gun head; 42. a cavity.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

Example 1

As shown in fig. 1, the pull rivet connecting structure for the rear part of the composite material part in embodiment 1 includes a plate body 1 and a pull rivet 2 cooperatively connected with the plate body 1, wherein the plate body 1 is thin-walled, and the plate body 1 is provided with a through hole 11; the one end of rivet 2 is spacing end 21, spacing end 21 is greater than the diameter of through-hole 11, spacing end 21 is provided with deformation hole 24, the other end of rivet 2 is link 22, link 22 is provided with internal thread hole 25, internal thread hole 25 is linked together with deformation hole 24, link 22 of rivet 2 passes through-hole 11, spacing end 21 of rivet 2 laminates mutually with the backplate of panel body 1, for producing the deformation section of deformation arch 23 under the effect of rivet gun 4 between spacing end 21 and the link 22, panel body 1 presss from both sides and establishes locking between arch 23 and spacing end 21.

The diameter of the deformation hole 24 is larger than that of the internally threaded hole 25.

The limiting end 21 is arranged in an oval shape; the through hole 11 is a step hole, and the first-layer step hole 12 adjacent to the back plate of the plate body 1 is arranged along with the limiting end 21.

The front panel of the panel body 1 is provided with a positioning protrusion 3 matched with the parts.

The gun head 41 of the hand riveter 4 passes through the deformation hole 24 to be in threaded connection with the internal thread hole 25, the hand riveter 2 passes through the through hole 11 to pass from the back plate of the plate body 1 to the front plate, the limiting end 21 is positioned in the first-layer step hole 12, the trigger of the hand riveter 4 is buckled, the gun head 41 of the hand riveter 4 retracts in the cavity 42 of the hand riveter 4 to drive the connecting end 22 of the hand riveter 2 to retract, the deformation section is forcibly deformed to generate the protrusion 23, the protrusion 23 is attached to the front plate of the plate body 1, after the retracting stroke of the gun head 41 of the hand riveter 4 in the cavity 42 is finished, the gun head 41 of the hand riveter 4 reversely rotates to exit from the internal threaded hole 25, at the moment, the connection of the hand riveter 2 and the plate body 1 is finished, the hand riveter 2 is fixedly connected with the plate body 1 under the action of the protrusions 23 and the limiting end 21, and the elliptical limiting end 21 is matched with the elliptical first-layer stepped hole 12 to improve the torsional strength; the blind rivet 2 with internal thread provides the installation point for the plate body 1.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The pull rivet connecting structure for the rear part of the composite material part is characterized by comprising a plate body (1) and a pull rivet (2) matched and connected with the plate body (1), wherein the plate body (1) is arranged in a thin wall manner, and the plate body (1) is provided with a through hole (11); the one end of rivet (2) is spacing end (21), spacing end (21) are greater than the diameter of through-hole (11), spacing end (21) are provided with deformation hole (24), the other end of rivet (2) is link (22), link (22) are provided with internal thread hole (25), internal thread hole (25) with deformation hole (24) are linked together, rivet (2) wear to locate in through-hole (11), spacing end (21) of rivet (2) with the backplate of panel body (1) is laminated mutually, spacing end (21) with for producing the deformation section of deformation arch (23) under the effect of rivet gun (4) between link (22), panel body (1) press from both sides and establish the locking and locate arch (23) with between spacing end (21).

2. The composite part backset clinch connection of claim 1, wherein the diameter of the deformation hole (24) is greater than the diameter of the internally threaded hole (25).

3. The composite part post-rivet connection structure according to claim 1, wherein the limiting end (21) is oval; the through hole (11) is a step hole, and the first layer of the step hole (12) adjacent to the back plate of the plate body (1) and the limiting end (21) are arranged along with each other.

4. The composite material part post rivet connection structure according to claim 1, wherein the front panel of the panel body (1) is provided with a positioning protrusion (3) matched with a part.