Parallel and V-shaped 12-channel high-performance assembly

Abstract

A parallel and V-shaped 12-channel high-performance assembly comprises an intermediate shaft (1), a first universal joint (2) is arranged at one end of the intermediate shaft, a second universal joint (3) is arranged at the other end of the intermediate shaft, and the problems that a traditional VL joint product is large in channel contact stress, high in channel abrasion speed and large in later vibration sounding risk are mainly solved. The utility model provides a 12-channel high-performance assembly which is parallel to each other and is arranged in a V shape, the 12-channel design is adopted, the contact stress between the channels and steel balls can be effectively reduced, the contact stress of the channels of the product is reduced by 70% under the condition that loads with the same torque are transmitted, and the fatigue life of the assembly can be effectively prolonged; and meanwhile, the V-shaped structural design of 3-12 degrees is adopted, the jamming phenomenon caused when the swing angle of the driving shaft is close to the limit can be effectively avoided, the vibration and sounding phenomenon of the assembly is reduced, and the driving experience is effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts, specifically to a 12-channel high-performance assembly with parallel and V-shaped grooves. Background Technology

[0002] With the rapid development of the automotive industry, from the initial steam engines to fuel-powered vehicles and now the gradual popularization of electric vehicles, the requirements for automotive components are becoming increasingly stringent. Users have moved from simply needing a car for basic driving and riding to now seeking performance enhancements, which necessitates that the quality of automotive components keep pace. For example, with the increasing prevalence of high-performance and electric vehicles, the performance, strength, and other related indicators of drive shaft assemblies must meet corresponding demands.

[0003] Traditional VL joint products have high groove contact stress, fast groove wear rate, and a high risk of vibration and noise in the later stage. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, this utility model provides a high-performance 12-channel assembly with parallel and V-shaped channels, which mainly solves the problems of high channel contact stress, fast channel wear rate, and high risk of vibration and noise in traditional VL section products.

[0005] The technical solution of this utility model is as follows:

[0006] A high-performance 12-channel assembly with parallel and V-shaped joints, including an intermediate shaft, one end of which is provided with a first universal joint and the other end with a second universal joint, and further comprising...

[0007] Three sets of four-channel groups are provided on the inner wall of the first universal joint. Each set of four-channel groups includes a first channel, a second channel, a third channel, and a fourth channel. The first channel and the second channel are symmetrically arranged with the center line as the center. The third channel and the fourth channel are symmetrically arranged with the center line as the central axis. The first channel and the third channel are parallel to each other. The angle between the first channel and the second channel is 3° to 12°.

[0008] The angle between the first channel and the second channel is 12°.

[0009] The intermediate shaft is a hollow tubular structure.

[0010] The three sets of four groove groups are evenly distributed on the inner wall of the first universal joint.

[0011] It also includes a dust cover, one end of which is connected to the intermediate shaft, and the other end is located on the outer wall of the first universal joint.

[0012] The dust cover is connected to the intermediate shaft by a clamp.

[0013] It also includes a cage disposed within the first universal joint, and the intermediate shaft extending into the first universal joint is provided with a star-shaped sleeve. The cage is provided with a plurality of rolling elements, the rolling elements cooperating with the star-shaped sleeve and the rolling elements cooperating with the four-groove assembly.

[0014] The rolling element is a steel ball.

[0015] The beneficial effects of this utility model are as follows: This utility model provides a high-performance assembly with 12 parallel and V-shaped grooves. The 12-groove design can effectively reduce the contact stress between the grooves and the steel balls. Under the same torque load, the groove contact stress of this product is reduced by 70%, which can effectively extend the fatigue life of the assembly. At the same time, the 3~12° V-shaped structure design can effectively avoid the jamming phenomenon when the drive shaft swing angle approaches the limit, reduce the vibration and noise of the assembly, and effectively improve the driving experience. Attached Figure Description

[0016] Figure 1 This is a structural schematic diagram of one embodiment of the present invention.

[0017] Figure 2 This is a flattened schematic diagram of the inner wall of the first universal joint according to an embodiment of the present invention. Detailed Implementation

[0018] The present invention will be further described below with reference to the accompanying drawings. The 12-channel high-performance assembly, which is parallel and V-shaped, includes an intermediate shaft 1. One end of the intermediate shaft is provided with a first universal joint 2, and the other end is provided with a second universal joint 3. It also includes three sets of four-channel groups 4, which are disposed on the inner wall of the first universal joint. Each set of four-channel groups includes a first channel 41, a second channel 42, a third channel 43, and a fourth channel 44. The first channel and the second channel are symmetrically arranged with the center line 40 as the center. The third channel and the fourth channel are symmetrically arranged with the center line 40 as the center axis. The first channel and the third channel are parallel to each other. The angle between the first channel and the second channel is 3°~12°. The 3x4 groove design effectively reduces the contact stress between the grooves and the steel balls. Under the same torque load, the groove contact stress is reduced by 70%, which can effectively extend the fatigue life of the assembly. The 12° V-shaped structure design can effectively avoid the jamming phenomenon when the drive shaft swing angle approaches the limit, reduce the vibration and noise of the assembly, and effectively improve the driving experience. Each group of four grooves has four grooves. The first and second grooves are set in a V-shape with an angle of 3°~12°. The third and fourth grooves are set in the same way. The first and third grooves are parallel, and the second and fourth grooves are parallel.

[0019] In this embodiment, as shown in the figure, the angle between the first channel and the second channel is 12°.

[0020] In this embodiment, as shown in the figure, the intermediate shaft is a hollow tubular structure. This reduces the assembly mass by 18%, improving transmission efficiency and power loss.

[0021] In this embodiment, as shown in the figure, the three sets of four-channel groups are evenly distributed on the inner wall of the first universal joint.

[0022] In this embodiment, as shown in the figure, a dust cover 5 is also included. One end of the dust cover is connected to the intermediate shaft, and the other end is connected to the outer wall of the first universal joint. This prevents foreign objects from entering.

[0023] In this embodiment, as shown in the figure, the dust cover is connected to the intermediate shaft via a clamp. Installation is convenient.

[0024] In this embodiment, as shown in the figure, a retainer 6 is also included, which is disposed inside the first universal joint. The intermediate shaft extending into the first universal joint is provided with a star-shaped sleeve 61. The retainer is provided with a plurality of rolling elements 62. The rolling elements cooperate with the star-shaped sleeve and the rolling elements cooperate with the four-groove assembly.

[0025] In this embodiment, as shown in the figure, the rolling element is a steel ball.

[0026] In the description of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and 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. Therefore, they should not be construed as limitations on this utility model.

[0027] 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 technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0028] The embodiments described with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention. The embodiments should not be considered as limitations on the present invention, but any improvements made based on the spirit of the present invention should be within the protection scope of the present invention.

Claims

1. A high-performance 12-channel assembly with parallel and V-shaped arrangement, comprising an intermediate shaft (1), wherein a first universal joint (2) is provided at one end of the intermediate shaft and a second universal joint (3) is provided at the other end, characterized in that: Also includes Three sets of four-channel groups (4) are provided on the inner wall of the first universal joint. Each set of four-channel groups includes a first channel (41), a second channel (42), a third channel (43) and a fourth channel (44). The first channel and the second channel are symmetrically arranged with the center line (40) as the center. The third channel and the fourth channel are symmetrically arranged with the center line (40) as the center axis. The first channel and the third channel are parallel to each other. The angle between the first channel and the second channel is 3°~12°.

2. The 12-channel high-performance assembly with parallel and V-shaped arrangements according to claim 1, characterized in that: The angle between the first channel and the second channel is 12°.

3. The 12-channel high-performance assembly with parallel and V-shaped arrangements according to claim 1, characterized in that: The intermediate shaft is a hollow tubular structure.

4. The 12-channel high-performance assembly with parallel and V-shaped arrangements according to claim 1, characterized in that: The three sets of four groove groups are evenly distributed on the inner wall of the first universal joint.

5. The 12-channel high-performance assembly with parallel and V-shaped arrangements according to any one of claims 1-4, characterized in that: It also includes a dust cover (5), one end of which is connected to the intermediate shaft, and the other end is connected to the outer wall of the first universal joint.

6. The 12-channel high-performance assembly with parallel and V-shaped arrangements according to claim 5, characterized in that: The dust cover is connected to the intermediate shaft by a clamp.

7. The 12-channel high-performance assembly with parallel and V-shaped arrangements according to claim 1, characterized in that: It also includes a retainer (6) disposed inside the first universal joint. The intermediate shaft extending into the first universal joint is provided with a star-shaped sleeve (61). The retainer is provided with a plurality of rolling elements (62). The rolling elements cooperate with the star-shaped sleeve and the rolling elements cooperate with the four-groove assembly.

8. The 12-channel high-performance assembly with parallel and V-shaped arrangements according to claim 7, characterized in that: The rolling element is a steel ball.

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