Transmission shaft of anti-deformation structure

Abstract

The utility model provides a transmission shaft of an anti-deformation structure, and relates to the field of automobile transmission shafts, the transmission shaft comprises a first connecting fork and a second connecting fork, one end of the first connecting fork is connected with the second connecting fork, the first connecting fork and the second connecting fork are connected through a universal joint assembly, the other end of a connecting rod is fixedly provided with a transmission shaft pipe body, and the transmission shaft pipe body is connected with the universal joint assembly. And a movable assembly is arranged at the other end of the transmission shaft tube body. When the transmission shaft operates, the limiting block moves on the inner wall of the movable groove, the spring is fixedly installed at the bottom of the limiting block, and the other end of the spring is fixedly installed at the bottom of the movable groove, so that the transmission shaft operates more stably, and the limiting rod moves on the inner wall of the circular groove, so that the gravity borne by the transmission shaft is shared; the transmission shaft pipe sleeve body can bear more gravity due to the fact that the transmission shaft pipe sleeve body is hexagonal, the transmission shaft is more stable and not prone to deformation, and dirt in air is better blocked by the fact that the sealing rubber ring is made of silicon rubber.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile transmission shafts, in particular to a transmission shaft with an anti-deformation structure. Background Art

[0002] The transmission shaft is a high-speed, less-supported rotating body, so its dynamic balance is crucial. Generally, the transmission shaft must undergo a dynamic balance test before leaving the factory and be adjusted on a balancing machine. For front-engine, rear-wheel-drive vehicles, it is the shaft that transmits the rotation of the transmission to the main reducer. It can have several sections, and the sections can be connected by universal joints.

[0003] In the prior art, the drive shaft will deform during long-term operation and extension due to the excessive force it bears, making it difficult for the drive shaft to continue to operate, thereby causing problems with the operation of the vehicle. Moreover, when the vehicle is driven in harsh environments for a long time, dirt will enter the inside of the drive shaft, thereby reducing the service life of the drive shaft. Utility Model Content

[0004] The purpose of the utility model is to solve the problems existing in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a transmission shaft with an anti-deformation structure, comprising: a connecting fork 1 and a connecting fork 2, one end of the connecting fork 1 is connected to the connecting fork 2, the connecting fork 1 and the connecting fork 2 are connected via a universal joint assembly, the other end of the connecting fork 2 is fixedly installed with a connecting rod, the other end of the connecting rod is fixedly installed with a transmission shaft tube body, and the other end of the transmission shaft tube body is provided with a movable component.

[0006] As a preferred implementation, the movable component comprises a transmission shaft sleeve body, and the transmission shaft sleeve body is hexagonal in shape.

[0007] As a preferred embodiment, circular grooves are equidistantly provided on one end of the transmission shaft sleeve body, a connecting fork three is fixedly mounted on the other end of the transmission shaft sleeve body, and a movable groove is provided on one end of the circular groove.

[0008] As a preferred implementation, a limiting block is fixedly mounted on the other end of the transmission shaft tube body, and the surface of the limiting block is movably embedded in the inner wall of the movable groove.

[0009] As a preferred implementation, a spring is fixedly mounted on the bottom of the inner wall of the movable groove, and the other end of the spring is fixedly mounted on the other end of the limiting block.

[0010] As a preferred embodiment, a limiting rod is fixedly mounted at an equal distance on the other end of the connecting rod, and the surface of the limiting rod is movably embedded in the circular groove.

[0011] As a preferred implementation, a sealing rubber ring is fixedly mounted on the surface of one end of the transmission shaft sleeve body, and the sealing rubber ring is made of silicone rubber.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, when the transmission shaft is running, the limiting block fixedly installed at one end of the connecting rod moves inside the movable groove, and the spring is fixedly installed at one end of the limiting block and the bottom of the movable groove, so that the movement of the transmission shaft tube body is more stable and quick, and the limiting rod fixedly installed at one end of the connecting rod is movably embedded in the circular groove, so that the movement of the limiting block in the movable groove is limited, so that the movement of the transmission shaft is more stable, and the gravity is shared by the limiting rod and the circular groove, and the shape of the transmission shaft tube sleeve body is hexagonal, which has better stability and can better withstand the gravity, so that the transmission shaft is more stable and not easy to deform, making the transmission shaft more perfect.

[0014] 2. In the utility model, the sealing rubber ring fixedly installed through one end of the transmission shaft sleeve body during the movement of the transmission shaft is made of silicone rubber, which has excellent high temperature resistance and good electrical insulation performance, and can maintain good elasticity and sealing performance in a wide temperature range, so that the transmission shaft can operate in harsh environments and can also effectively block dirt in the air, thereby increasing the service life of the transmission shaft and making the transmission shaft more perfect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A side view of a transmission shaft of an anti-deformation structure provided by the utility model;

[0016] Figure 2 A side view of a movable component of a transmission shaft of an anti-deformation structure provided by the utility model;

[0017] Figure 3 A side view of a transmission shaft tube body of a transmission shaft with an anti-deformation structure provided by the utility model;

[0018] Figure 4 A cutting diagram of a movable component of a transmission shaft of an anti-deformation structure provided by the utility model.

[0019] Legend:

[0020] 1. Connecting fork 1; 2. Universal joint assembly; 3. Connecting fork 2; 4. Connecting rod; 5. Drive shaft tube body; 6. Limiting rod; 7. Limiting block; 8. Movable component; 801. Drive shaft tube sleeve body; 802. Round groove; 803. Movable groove; 804. Spring; 9. Connecting fork 3; 10. Sealing rubber ring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model provides a technical solution: a transmission shaft with an anti-deformation structure, comprising: a connecting fork 1 and a connecting fork 2 3, one end of the connecting fork 1 is connected to the connecting fork 2 3, the connecting fork 1 and the connecting fork 2 3 are connected through a universal joint assembly 2, the other end of the connecting fork 2 3 is fixedly installed with a connecting rod 4, the other end of the connecting rod 4 is fixedly installed with a transmission shaft tube body 5, and the other end of the transmission shaft tube body 5 is provided with a movable component 8.

[0023] Specifically: the connecting fork 1 and the connecting fork 2 3 are connected through the universal joint assembly 2, so that the connecting fork 2 3 can be operated in multiple directions, making the device more perfect.

[0024] In one embodiment, the movable assembly 8 includes a transmission shaft sleeve body 801 , and the transmission shaft sleeve body 801 is in a hexagonal shape.

[0025] Specifically: the shape of the transmission shaft sleeve body 801 is hexagonal, which has better stability and can better withstand the gravity, so that the transmission shaft is more stable and not easy to deform.

[0026] In one embodiment, circular grooves 802 are equidistantly provided at one end of the transmission shaft sleeve body 801 , a connecting fork 3 9 is fixedly installed at the other end of the transmission shaft sleeve body 801 , and a movable groove 803 is provided at one end of the circular groove 802 .

[0027] Specifically: the transmission shaft and its connection position can be better connected through the connecting fork 3 9.

[0028] In one embodiment, a limiting block 7 is fixedly mounted on the other end of the transmission shaft tube body 5 , and the surface of the limiting block 7 is movably embedded in the inner wall of the movable groove 803 .

[0029] Specifically, the limiting block 7 fixedly installed at one end of the connecting rod 4 moves inside the movable groove 803, so that the operation of the transmission shaft is more stable.

[0030] In one embodiment, a spring 804 is fixedly installed at the bottom of the inner wall of the movable groove 803 , and the other end of the spring 804 is fixedly installed at the other end of the limiting block 7 .

[0031] Specifically: the spring 804 is fixedly installed at one end of the limiting block 7 and the bottom of the movable groove 803, so that the limiting block 7 is limited when moving inside the movable groove 803, making the transmission shaft more stable when moving.

[0032] In one embodiment, the other end of the connecting rod 4 is fixedly mounted with limiting rods 6 at equal distances around the circumference, and the surface of the limiting rods 6 is movably embedded in the circular groove 802 .

[0033] Specifically, the limiting rod 6 fixedly installed at one end of the connecting rod 4 is movably embedded in the circular groove 802, so that the transmission shaft is more stable when moving, and the gravity is shared by the limiting rod 6 and the circular groove 802, so that the transmission shaft is not easily deformed.

[0034] In one embodiment, a sealing rubber ring 10 is fixedly installed on the surface of one end of the transmission shaft sleeve body 801, and the material of the sealing rubber ring 10 is silicone rubber.

[0035] Specifically: the sealing rubber ring 10 fixedly installed at one end of the transmission shaft sleeve body 801 is made of silicone rubber, which has excellent high temperature resistance and good electrical insulation performance, and can maintain good elasticity and sealing performance in a wide temperature range, so that the transmission shaft can operate in harsh environments and can also effectively block dirt in the air, thereby increasing the service life of the transmission shaft and making the transmission shaft more perfect.

[0036] Working principle: the transmission shaft is composed of a universal joint, a transmission shaft tube and a transmission shaft tube sleeve. When the transmission shaft is running, the limiting block 7 fixedly installed at one end of the connecting rod 4 moves inside the movable groove 803, and the spring 804 is fixedly installed at one end of the limiting block 7 and the bottom of the movable groove 803, so that the movement of the transmission shaft tube body 5 is more stable and fast. The limiting rod 6 fixedly installed at one end of the connecting rod 4 is movably embedded in the circular groove 802, so that the limiting block 7 is limited when moving inside the movable groove 803, making the movement of the transmission shaft more stable. The gravity is shared by the limiting rod 6 and the circular groove 802, and according to the transmission shaft tube The shape of the sleeve body 801 is hexagonal, which has better stability and can better withstand the gravity, thereby making the transmission shaft more stable and not easy to deform, making the transmission shaft more perfect; and the sealing rubber ring 10 fixedly installed through one end of the transmission shaft sleeve body 801 during the movement of the transmission shaft is made of silicone rubber, which has excellent high temperature resistance and good electrical insulation performance, and can maintain good elasticity and sealing performance in a wider temperature range, so that the transmission shaft can operate in harsh environments and can also effectively block the dirt in the air, thereby increasing the service life of the transmission shaft and making the transmission shaft more perfect.

[0037] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A transmission shaft with an anti-deformation structure, characterized in that: include: A connecting fork 1 (1) and a connecting fork 2 (3), wherein one end of the connecting fork 1 (1) is connected to the connecting fork 2 (3), the connecting fork 1 (1) and the connecting fork 2 (3) are connected via a universal joint assembly (2), the other end of the connecting fork 2 (3) is fixedly mounted with a connecting rod (4), the other end of the connecting rod (4) is fixedly mounted with a transmission shaft tube body (5), and the other end of the transmission shaft tube body (5) is provided with a movable component (8).

2. The transmission shaft with an anti-deformation structure according to claim 1, characterized in that: The movable component (8) comprises a transmission shaft sleeve body (801), and the transmission shaft sleeve body (801) is in a hexagonal shape.

3. The transmission shaft with an anti-deformation structure according to claim 2, characterized in that: One end of the transmission shaft sleeve body (801) is provided with circular grooves (802) at equal distances from the circumference, the other end of the transmission shaft sleeve body (801) is fixedly mounted with a connecting fork three (9), and one end of the circular groove (802) is provided with a movable groove (803).

4. The transmission shaft with an anti-deformation structure according to claim 1, characterized in that: A limiting block (7) is fixedly mounted on the other end of the transmission shaft tube body (5), and the surface of the limiting block (7) is movably embedded in the inner wall of the movable groove (803).

5. The transmission shaft with an anti-deformation structure according to claim 3, characterized in that: A spring (804) is fixedly mounted on the bottom of the inner wall of the movable groove (803), and the other end of the spring (804) is fixedly mounted on the other end of the limiting block (7).

6. The transmission shaft with an anti-deformation structure according to claim 1, characterized in that: A limiting rod (6) is fixedly mounted at an equal distance around the other end of the connecting rod (4), and the surface of the limiting rod (6) is movably embedded in the inside of the circular groove (802).

7. The transmission shaft with an anti-deformation structure according to claim 2, characterized in that: A sealing rubber ring (10) is fixedly mounted on the surface of one end of the transmission shaft sleeve body (801), and the sealing rubber ring (10) is made of silicone rubber.

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