CN212928455U

CN212928455U - Double-thread inner riveting shaft

Info

Publication number: CN212928455U
Application number: CN202021819493.9U
Authority: CN
Inventors: 钟荣焘; 杨肖
Original assignee: Jiafei Zhejiang Auto Parts Co ltd
Current assignee: Jiafei Ningbo Intelligent Manufacturing Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-04-09
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses a double-thread inner riveting shaft, which comprises an upper shaft body and a lower shaft body, wherein a first connecting cavity and a second connecting cavity are respectively arranged inside the upper shaft body and the lower shaft body, the inner walls of the first connecting cavity and the second connecting cavity are both provided with threads, inner pin heads are arranged in the first connecting cavity and the second connecting cavity, a first connecting groove is arranged at the bottom end of the inner wall of the upper shaft body, the upper end of the outer wall of the lower shaft body is provided with a second connecting groove, the upper shaft body and the lower shaft body are clamped and connected with the second connecting groove through the first connecting groove, one end of the upper shaft body is provided with a first ring edge, one end of the lower shaft body is provided with a second ring edge, an expansion pipe is arranged between the first ring edge and the second ring edge and is sleeved outside the upper shaft body and the lower peripheral body, the double-thread inner riveting shaft is simple in structure, convenient to install, wear-resistant, long in service life and wide in application range.

Description

Double-thread inner riveting shaft

Technical Field

The utility model relates to a bearing technical field specifically is a rivet axle in double thread.

Background

Rivet shafts are common parts for motor vehicles, which are used for the riveted connection of various components. The riveting shaft in the prior art is simple in structure, mostly is a whole alloy shaft piece, and the problem of loosening of riveting is easily caused due to abrasion of different parts after riveting due to long service life, so that the production quality of an automobile is influenced, and the requirement of people on the product at present can not be met far away.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rivet axle in two screw threads, simple structure, the installation of being convenient for, stand wear and tear, long service life, application scope is wider to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a double thread internal riveting axle, includes last axis body and lower axis body, it connects the chamber with the second to go up the inside first connection chamber and being equipped with respectively of axis body and lower axis body, first connection chamber is connected intracavity wall with the second and all is equipped with the screw thread, just first connection chamber is connected intracavity portion with the second and all is equipped with interior pin fin, it is equipped with first linking groove to go up axis body inner wall bottom, axis body outer wall upper end is equipped with the second linking groove down, go up the axis body and link up the inslot card with the second through first linking groove with lower axis body and be connected, it is equipped with first ring edge to go up axis body one end, axis body one end is equipped with the second and encircles the edge down, be equipped with the expansion pipe between first ring edge and the second ring edge, the expansion pipe cup joints at last axis body and the periphery external portion down.

Furthermore, the first ring edge and the upper shaft body are integrated, and the second ring edge and the lower shaft body are integrated.

Furthermore, first connection chamber and second connection chamber intercommunication, just first connection chamber and second connection chamber all establish to lead to the chamber.

Further, the diameter of the first connecting cavity is larger than that of the second connecting cavity.

Furthermore, a sealing gasket is arranged between the first connecting groove and the second connecting groove, and one side of the sealing gasket is fixedly connected with the first connecting groove.

Compared with the prior art, the beneficial effects of the utility model are that:

through setting up axis body and lower axis body, be convenient for installation and dismantlement, and can increase application scope, through setting up first linking groove and second linking groove, be convenient for connect the axis body and lower axis body, through setting up sealed the pad, increase the leakproofness between the axis body and the lower axis body, through setting up the expansion pipe, make the gap between axis body and the machined part reduce, prevent that long-term use back axis body is not hard up, produce great rocking, influence production quality.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a schematic view of the external structure of the present invention;

fig. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is an enlarged view of a of the present invention;

reference numbers in the figures: 1. an upper shaft body; 2. a lower shaft body; 3. a first connection chamber; 4. a second connection chamber; 5. a thread; 6. an inner nail head; 7. a first engagement slot; 8. a second engagement slot; 9. a first annular rim; 10. a second rim; 11. an expansion tube; 12. and a gasket.

Detailed Description

The present invention will be further described with reference to the following embodiments, wherein the drawings are for illustrative purposes only and are not intended to be limiting, and in order to better illustrate the embodiments of the present invention, some components of the drawings may be omitted, enlarged or reduced and do not represent the size of an actual product.

As shown in figures 1-3, a double-thread 5 inner riveting shaft comprises an upper shaft body 1 and a lower shaft body 2, which are convenient to mount and dismount and can increase the application range, a first connecting cavity 3 and a second connecting cavity 4 are respectively arranged inside the upper shaft body 1 and the lower shaft body 2, the inner walls of the first connecting cavity 3 and the second connecting cavity 4 are respectively provided with a thread 5, inner pin heads 6 are respectively arranged inside the first connecting cavity 3 and the second connecting cavity 4, a first engaging groove 7 is arranged at the bottom end of the inner wall of the upper shaft body 1, a second engaging groove 8 is arranged at the upper end of the outer wall of the lower shaft body 2, the upper shaft body 1 and the lower shaft body 2 are clamped and connected with the second engaging groove 8 through the first engaging groove 7, which is convenient to connect the upper shaft body 1 and the lower shaft body 2, a first ring edge 9 is arranged at one end of the upper shaft body 1, a second ring edge 10 is arranged at one end of the lower shaft body 2, an expansion pipe 11 is arranged between the first ring edge 9 and the second ring edge, make the gap between axis body and the machined part reduce, prevent that the axis body is not hard up after long-term the use, produce great rocking, influence production quality, expansion pipe 11 cup joints at last axis body 1 and the external portion of week down.

More specifically, first ring is along 9 and upper shaft body 1 and is established as a body structure, second ring is along 10 and lower shaft body 2 and is established as a body structure, first connection chamber 3 is connected chamber 4 intercommunication with the second, just first connection chamber 3 is connected chamber 4 with the second and is all established to logical chamber, first connection chamber 3 diameter is greater than second connection chamber 4 diameter, be equipped with sealed pad 12 between first linking groove 7 and the second linking groove 8, increase the leakproofness between upper shaft body 1 and the lower shaft body 2, sealed pad 12 one side links to each other with first linking groove 7 is fixed.

The working principle is as follows: this kind of 5 interior riveting axles of double thread, through setting up axis body 1 and lower axis body 2, be convenient for install and dismantle, and can increase application scope, through setting up first linking groove 7 and second linking groove 8, be convenient for connect up axis body 1 and lower axis body 2, through setting up sealed pad 12, increase the leakproofness between axis body 1 and lower axis body 2, through setting up inflation pipe 11, make the gap between axis body and the machined part reduce, prevent that the long-term back axis body that uses is not hard up, produce great rocking, influence production quality.

Although particular embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rivet axle in double thread, includes axis body (1) and lower axis body (2), its characterized in that: a first connecting cavity (3) and a second connecting cavity (4) are respectively arranged in the upper shaft body (1) and the lower shaft body (2), the inner walls of the first connecting cavity (3) and the second connecting cavity (4) are both provided with threads (5), and the first connecting cavity (3) and the second connecting cavity (4) are internally provided with inner nail heads (6), a first connecting groove (7) is arranged at the bottom end of the inner wall of the upper shaft body (1), a second connecting groove (8) is arranged at the upper end of the outer wall of the lower shaft body (2), the upper shaft body (1) and the lower shaft body (2) are clamped and connected with a second connecting groove (8) through a first connecting groove (7), one end of the upper shaft body (1) is provided with a first ring edge (9), one end of the lower shaft body (2) is provided with a second ring edge (10), an expansion pipe (11) is arranged between the first ring edge (9) and the second ring edge (10), the expansion pipe (11) is sleeved outside the upper shaft body (1) and the lower peripheral body.

2. A double-threaded internally riveted shaft according to claim 1, characterized in that: the first ring edge (9) and the upper shaft body (1) are integrated, and the second ring edge (10) and the lower shaft body (2) are integrated.

3. A double-threaded internally riveted shaft according to claim 1, characterized in that: the first connecting cavity (3) is communicated with the second connecting cavity (4), and the first connecting cavity (3) and the second connecting cavity (4) are both arranged to be communicated.

4. A double-threaded internally riveted shaft according to claim 1, characterized in that: the diameter of the first connecting cavity (3) is larger than that of the second connecting cavity (4).

5. A double-threaded internally riveted shaft according to claim 1, characterized in that: and a sealing gasket (12) is arranged between the first connecting groove (7) and the second connecting groove (8), and one side of the sealing gasket (12) is fixedly connected with the first connecting groove (7).