Copper contact rivet connecting structure of automobile steering wheel

Abstract

The utility model discloses an automobile steering wheel copper contact rivet connecting structure which comprises a rivet body, the rivet body is composed of a rivet rod and a rod cap, the rod cap is arranged at one end of the rivet rod, a limiting mechanism is arranged on the outer edge face of the end, close to the rod cap, of the rivet rod, the rivet rod comprises a rod body, the rod body is of a hollow tubular structure, and the rod body is connected with the rivet body. A plurality of rod grooves are formed in the end, away from the rod cap, of the rod body, the limiting mechanism comprises two limiting pieces, the two limiting pieces form a columnar structure with the wide upper portion and the narrow lower portion, when the rod body is embedded into a prefabricated hole in a steering wheel, rotation limiting can be conducted on the rod body, the autorotation phenomenon of the rod body can be avoided, and copper contacts are prevented from being damaged; and when a riveting tool is used for fixing the rivet, the rod body expands uniformly, so that the rivet is fixed more stably.

Description

Technical Field

[0001] This utility model relates to the field of riveting connection structure technology, specifically a copper contact riveting connection structure for an automobile steering wheel. Background Technology

[0002] A riveted connection is a mechanical connection structure that uses rivets to join two or more components together. A rivet is a metal component with a shank and a head.

[0003] When rivets are fixed to a car steering wheel, the copper contacts need to be placed on the pre-drilled holes in the steering wheel before the rivets are inserted and then fixed with riveting tools. However, when existing rivets are fixed with riveting tools, the rivets will shift between themselves and the steering wheel. When the rivets shift, the rivet head will rub against the copper contacts, causing damage to the copper contacts. Utility Model Content

[0004] The purpose of this utility model is to provide a copper contact rivet connection structure for automotive steering wheels, which has the advantage of stable installation and solves the problem that the current rivets will rotate when fixed, and the friction between the rivets and the copper contacts during rotation will cause damage to the copper contacts.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a copper contact rivet connection structure for an automobile steering wheel, comprising a rivet body, the rivet body being composed of a rivet shank and a shank cap, the shank cap being disposed at one end of the rivet shank, and a limiting mechanism being provided on the outer edge of the end of the rivet shank near the shank cap, the rivet shank including a shank body, the shank body being an internally hollow tubular structure, and the end of the shank body away from the shank cap having several shank grooves, the limiting mechanism including two limiting members.

[0006] Preferably, each of the grooves is spirally formed at the end of the shaft away from the cap, and the spiral angle of each groove is between 160° and 170°.

[0007] Preferably, each of the grooves is spaced apart from the end of the rod cap and from the end of the rod body.

[0008] Preferably, the cap is a flat, round plate-like structure, with an arc edge on the outer ring and a bulge at the top.

[0009] Preferably, the two limiting members together form a hollow columnar structure that is wider at the top and narrower at the bottom. The upper end face of the columnar structure is elliptical, and the minor axis of the ellipse is equal to the diameter of the rod.

[0010] Preferably, each of the limiting members is fixed to the outer edge of the rod body by friction stir welding.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] 1. This utility model sets up a pole body, a pole cap, and two limiting members. The two limiting members are fixed to the outer edge of one end of the pole body by friction stir welding. Then, the pole cap is fixed to one end of the pole body. The two limiting members fit against the side of the pole cap. The two limiting members form a columnar structure that is wider at the top and narrower at the bottom. When the pole body is inserted into the pre-made hole on the steering wheel, the pole body can be rotated and limited, which can prevent the pole body from rotating on its own and prevent damage to the copper contacts.

[0013] 2. By setting a shaft and several grooves, and by opening several grooves on the end of the shaft away from the shaft cap, and by spirally setting several grooves on the shaft, the shaft can expand evenly when the rivet is fixed with a riveting tool, making the rivet fixing more stable. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0015] Figure 2 This is an exploded view of the present invention;

[0016] Figure 3 This is a vertical cross-sectional view of the present invention.

[0017] The reference numerals and names in the figure are as follows:

[0018] 1. Rivet body; 2. Rivet rod; 21. Rod body; 22. Rod groove; 3. Rod cap; 4. Limiting mechanism; 41. Limiting component. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] In the description of the embodiments of this utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing the embodiments of this utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of this utility model, "multiple" means two or more, unless otherwise explicitly specified.

[0021] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0022] Please see Figures 1 to 3 This utility model provides an embodiment of a copper contact rivet connection structure for an automotive steering wheel, comprising a rivet body 1, which is composed of a rivet shank 2 and a rivet cap 3. The rivet cap 3 is disposed at one end of the rivet shank 2. A limiting mechanism 4 is provided on the outer edge of the end of the rivet shank 2 near the rivet cap 3. The rivet shank 2 includes a shank body 21, which is a hollow tubular structure. Several grooves 22 are provided at the end of the shank body 21 away from the rivet cap 3. The limiting mechanism 4 includes two limiting members 41. Each groove 22 is spirally opened at the end of the shank body 21 away from the rivet cap 3. The helix angle values ​​are all between 160° and 170°. Each end of the rod groove 22 away from the rod cap 3 is spaced from the end of the rod body 21 away from the rod cap 3. The rod cap 3 is a flat circular plate structure with an arc edge on the outer ring and a bulge at the top. The two limiting members 41 together form a hollow columnar structure that is wider at the top and narrower at the bottom. The upper end face of the columnar structure is elliptical, and the short axis of the ellipse is equal to the diameter of the rod body 21. Each limiting member 41 is fixed to the outer edge of the rod body 21 by friction stir welding.

[0023] Working Principle: In this invention, two limiting members 41 are fixed to the end of the rod body 21 by friction stir welding. Then, the rod cap 3 is fixed to the end of the rod body 21 and abuts against the sides of the two limiting members 41. Multiple rod grooves 22 are then spirally opened at the end of the rod body 21 away from the rod cap 3. The copper contact is then placed at the desired connection location, such as a specific bracket inside the steering wheel or a circuit connection point. The rivet body 1 is then inserted into a pre-drilled hole, the diameter of which is slightly larger than the diameter of the rivet rod 2 to ensure smooth insertion. A specialized riveting tool, such as a pneumatic rivet gun or a manual riveting tool, is used. When pressure is applied, the rod body 21 begins to deform, and one end of the rod body 21 gradually expands under pressure, forming a uniformly shaped mushroom-head end through the multiple rod grooves 22, tightly clamping the copper contact in the middle.

[0024] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention.

Claims

1. A rivet connection structure of a copper contact of an automobile steering wheel, characterized by: The rivet body (1) is composed of a shank (2) and a shank cap (3), the shank cap (3) is arranged at one end of the shank (2), a limiting mechanism (4) is arranged on the outer edge surface of the end of the shank (2) close to the shank cap (3), the shank (2) comprises a shank body (21), the shank body (21) is a hollow tubular structure, a plurality of shank grooves (22) are arranged at the end of the shank body (21) away from the shank cap (3), and the limiting mechanism (4) comprises two limiting pieces (41).

2. The rivet connection structure of claim 1, wherein: Each shank groove (22) is helically arranged at the end of the shank body (21) away from the shank cap (3), and the helical angle of each shank groove (22) is between 160° and 170°.

3. The automotive steering wheel copper contact rivet connection structure according to claim 1, characterized in that: A space is arranged between the end of each shank groove (22) away from the shank cap (3) and the end of the shank body (21) away from the shank cap (3).

4. The automotive steering wheel copper contact rivet connection structure according to claim 1, characterized in that: The shank cap (3) is a flat circular plate structure, an arc edge is arranged on the outer circle of the shank cap (3), and the top end is protruded to form a bulge.

5. The automotive steering wheel copper contact rivet connection structure according to claim 1, characterized in that: The two limiting pieces (41) jointly form a hollow columnar structure with a wide upper end and a narrow lower end, and the upper end surface of the columnar structure is elliptical.

6. The automotive steering wheel copper contact rivet connection structure according to claim 1, characterized in that: Each limiting piece (41) is fixed to the outer edge surface of the shank body (21) by friction stir welding.

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