Novel anti-abrasion universal joint

Abstract

The utility model provides a novel anti-abrasion universal joint, and belongs to the field of mechanical transmission devices. The universal joint solves the problems that in the using process of a traditional universal joint, due to the fact that parts such as a rotating rod and a universal joint fork in the universal joint are not fully lubricated during running fit, the contact position is seriously abraded after the universal joint is used for a long time, the service life is shortened, and the transmission efficiency and stability are affected. The novel anti-abrasion universal joint comprises a first steering knuckle and a second steering knuckle, a connecting part is arranged on the first steering knuckle, the connecting part is in a concave shape, a through hole is formed in the connecting part, a rotating rod used for being connected with the second steering knuckle is arranged in the through hole, and a fixing part is arranged on the second steering knuckle. The fixing part is provided with a through hole identical to the first steering knuckle, the rotating rod enables the first steering knuckle and the second steering knuckle to be connected through the through hole, a plurality of open grooves are formed in the inner wall of the connecting part, and ball assemblies are arranged in the open grooves. The utility model has the advantage of reducing friction.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical transmission device field, and particularly relates to a novel anti-abrasion universal joint. BACKGROUND

[0002] The universal joint is a joint that is used to change the direction of the drive shaft, and is a joint component of the universal transmission device of the automobile drive system.

[0003] The conventional universal joint lacks sufficient lubrication when the rotating rod and the universal joint fork are rotatingly matched, and the contact position is seriously abraded after long-time use, which shortens the service life and affects the transmission efficiency and stability. SUMMARY

[0004] The utility model discloses a novel anti-abrasion universal joint to solve the above problems in the prior art.

[0005] The utility model discloses a novel anti-abrasion universal joint, including the first knuckle and the second knuckle, characterized in that the first knuckle is provided with the connecting portion, the connecting portion is concave, the connecting portion is provided with the through hole, is provided with the rotating rod for connecting the second knuckle in the through hole, the second knuckle is provided with the fixed portion, and the fixed portion is provided with the same through hole with the first knuckle, the rotating rod is connected the first knuckle and the second knuckle through the through hole, a plurality of opening slots are seted up on the inner wall of the connecting portion, the ball assembly is seted up in the opening slot, the ball assembly is provided with the ball and the support frame, the support frame is provided with the limiting disc for the ball.

[0006] In the above-mentioned novel anti-abrasion universal joint, the opening slots are provided with symmetrical clamping grooves on the inner walls of both sides, the support frames are arranged in the clamping grooves, and the clamping grooves are provided with elastic components for clamping the support frames.

[0007] In the above-mentioned novel anti-abrasion universal joint, the elastic components are provided with elastic seats for fixing the support frames, the bottom of the elastic seat is provided with a limiting groove for limiting, and the limiting groove is provided with a return spring.

[0008] In the above-mentioned novel anti-abrasion universal joint, the first knuckle is provided with a connecting block for connecting the second knuckle, and the second knuckle is provided with a hole groove for fixing the connecting block.

[0009] Compared with the prior art, the application of the unique ball assembly effectively reduces the wear of the universal joint during use, prolongs the service life, and improves the transmission efficiency and stability of the universal joint due to the reduced wear and friction resistance. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 is a perspective view of the anti-wear universal joint.

[0011] Figure 2 is a sectional view of the anti-wear universal joint.

[0012] Figure 3 is a partial sectional view of the anti-wear universal joint.

[0013] In the figure, 1 is a first knuckle, 2 is a second knuckle, 3 is a connecting part, 4 is a through hole, 5 is a rotating rod, 6 is a fixing part, 7 is an open slot, 8 is a ball, 9 is a support frame, 10 is a clamping groove, 11 is an elastic assembly, 12 is an elastic seat, 13 is a limiting groove, 14 is a return spring, 15 is a connecting block, 16 is an open slot, and 17 is a limiting disc. DETAILED DESCRIPTION

[0014] The following is a specific embodiment of the application combined with the drawings, which further describes the technical scheme of the application, but the application is not limited to these embodiments.

[0015] As shown in Figure 1 , Figure 2 , Figure 3 , the anti-wear universal joint comprises a first knuckle 1 and a second knuckle 2, the first knuckle 1 is provided with a connecting part 3, the connecting part 3 is concave, a through hole 4 is formed in the connecting part 3, a rotating rod 5 for connecting the second knuckle 2 is arranged in the through hole 4, the second knuckle 2 is provided with a fixing part 6, and the fixing part 6 is provided with the same through hole 4 as the first knuckle 1, the rotating rod 5 connects the first knuckle 1 and the second knuckle 2 through the through hole 4, the fixing part 6 is placed into the inner cavity of the connecting part 3, and then the rotating rod 5 is inserted into the through hole 4 of the fixing part 6 and the connecting part 3 to fix them, a plurality of open slots 7 are formed in the inner wall of the connecting part 3, a ball assembly is arranged in the open slots 7, the ball assembly is provided with balls 8 and a support frame 9, the support frame 9 is provided with a limiting disc 17 for the balls 8, and during the rotation of the first knuckle 1 and the second knuckle 2, the balls 8 roll, and the limiting disc 17 limits the balls 8 to prevent the balls 8 from deviating and affecting the rotation of the knuckle.

[0016] Further, symmetrical clamping grooves 10 are formed in the inner walls on both sides of the open slots 7, the support frame 9 is arranged in the clamping grooves, and the clamping grooves 10 are provided with elastic assemblies 11 for clamping the support frame 9.

[0017] Further, the elastic assembly 11 is provided with an elastic seat 12 for fixing the support frame 9, the elastic seat 12 is used for fixing the support frame 9, and the bottom of the elastic seat 12 is provided with a limiting groove 13 for limiting, the limiting groove 13 is provided with a reset spring 14, when the fixing part 6 is not put into the connecting part 3, the whole elastic assembly 11 is in a relaxed state, the fixing part 6 is inserted into the connecting part 3, the reset spring 14 is compressed to make the ball 8 tightly adhere to the outer wall of the fixing part 6, and the gap between the connecting part 3 and the fixing part 6 is reduced to reduce the friction.

[0018] Further, the first knuckle 1 is provided with a connecting block 15 for connecting the second knuckle 2, and the second knuckle 2 is provided with a hole groove 16 for fixing the connecting block 15, and the first knuckle 1 can increase the number of knuckles through the connecting block 15.

[0019] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or use similar ways to replace, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

[0020] Although the terms such as the first knuckle 1, the second knuckle 2, the connecting part 3, the through hole 4, the rotating rod 5, the fixing part 6, the opening groove 7, the ball 8, the support frame 9, the clamping groove 10, the elastic assembly 11, the elastic seat 12, the limiting groove 13, the reset spring 14, the connecting block 15, the hole groove 16, the limiting disc 17 are used more in this paper, but the possibility of using other terms is not excluded. Using these terms is only to more conveniently describe and explain the essence of the present application; any kind of additional limitation is contrary to the spirit of the present application.

Claims

1. A new type of wear-proof universal joint comprising a first knuckle (1) and a second knuckle (2), characterized in that, The first knuckle (1) is provided with a connecting part (3), the connecting part (3) is concave, the connecting part (3) is provided with a through hole (4), the through hole (4) is provided with a rotating rod (5) for connecting the second knuckle (2), the second knuckle (2) is provided with a fixed part (6), the fixed part (6) is provided with the same through hole (4) as the first knuckle (1), the rotating rod (5) connects the first knuckle (1) and the second knuckle (2) through the through hole (4), the connecting part (3) is provided with a plurality of open grooves (7), the open grooves (7) are provided with a ball assembly, the ball assembly is provided with a ball (8) and a support frame (9), the support frame (9) is provided with a limiting disc (17) for the ball (8).

2. A new type of anti-wear universal joint as claimed in claim 1, wherein, The open grooves (7) are provided with symmetrical clamping grooves (10) on the inner walls of both sides, the support frame (9) is arranged in the clamping grooves, the clamping grooves (10) are provided with an elastic assembly (11) for clamping the support frame (9).

3. A new type of anti-wear universal joint as claimed in claim 2, wherein, The elastic assembly (11) is provided with an elastic seat (12) for fixing the support frame (9), the bottom of the elastic seat (12) is provided with a limiting groove (13) for limiting, and the limiting groove (13) is provided with a reset spring (14).

4. A new type of anti-wear universal joint as claimed in claim 1, wherein, The first knuckle (1) is provided with a connecting block (15) for connecting the second knuckle (2), and the second knuckle (2) is provided with an opening groove (16) for fixing the connecting block (15).

Images