Constant velocity universal joint with long service life

Abstract

The utility model discloses a long-life constant velocity universal joint. The problem that scrap iron exists in an inner cavity of a conventional constant velocity universal joint and influences use is mainly solved. The mounting piece (4) is detachably connected with the outer wall of the shell, and a magnetic attraction part (41) is arranged on the mounting piece arranged in the inner cavity. The utility model provides a long-service-life constant velocity universal joint. The service life is prolonged by adsorbing scrap iron in a shell through a magnetic attraction part at one end of an installation piece.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts, specifically to a long-life constant velocity universal joint. Background Technology

[0002] During the operation of a constant velocity universal joint, the internal metal components, such as needle rollers, steel balls, and raceways, rub against each other, eventually causing wear. This wear produces fine iron filings. These filings become trapped in the grease and participate in the sliding and rolling processes. However, this has several adverse effects. First, the iron filings contaminate the grease, reducing its lubricating effect. Second, it increases the vibration and temperature of the universal joint, affecting normal use. Finally, it accelerates the wear of the workpiece surface, further increasing the amount of iron filings and ultimately leading to universal joint failure. Utility Model Content

[0003] In order to overcome the shortcomings of the prior art, this utility model provides a long-life constant velocity universal joint, which mainly solves the problem that iron filings in the inner cavity of conventional constant velocity universal joints affect their use.

[0004] The technical solution of this utility model is as follows:

[0005] A long-life constant velocity universal joint includes a housing, an inner cavity within the housing, a three-ball pin assembly within the inner cavity, and further includes...

[0006] The outer wall of the housing is equipped with a detachable mounting component, and the mounting component located in the inner cavity is provided with a magnetic suction part.

[0007] The housing is provided with a threaded hole, and the mounting part is provided with a threaded portion that mates with the threaded hole.

[0008] The magnetic attraction part is a magnet that is detachably connected to the mounting component.

[0009] The mounting component has a mounting groove on its bottom end face, and the magnet is installed in the mounting groove.

[0010] The housing is provided with a recessed groove, the diameter of which is larger than that of the threaded hole, and the recessed groove is connected to the threaded hole. The mounting component includes a cap, which is disposed within the recessed groove.

[0011] A sealing ring is provided between the bottom end face of the cap and the bottom end face of the sink trough.

[0012] The mounting components are provided in multiple quantities.

[0013] The beneficial effects of this utility model are: This utility model provides a long-life constant velocity universal joint, which extends the service life by adsorbing iron filings inside the housing through the magnetic attraction part at one end of the mounting part. Attached Figure Description

[0014] Figure 1 This is a cross-sectional schematic diagram of one embodiment of the present invention.

[0015] Figure 2 This is a cross-sectional schematic diagram of the mounting component according to one embodiment of the present invention.

[0016] Figure 3 This is a partial cross-sectional schematic diagram of the housing according to an embodiment of the present invention. Detailed Implementation

[0017] The present invention will be further described below with reference to the accompanying drawings. A long-life constant velocity universal joint includes a housing 1, an inner cavity 10, a three-ball pin assembly 3, and a detachable mounting component 4 installed on the outer wall of the housing. The mounting component located in the inner cavity has a magnetic suction part 41. The magnetic suction part can adsorb and filter iron filings generated inside the housing during operation, preventing further adverse reactions and extending the service life of the universal joint. Simultaneously, regular maintenance can be carried out to remove the adsorbed iron filings while observing the state of the lubricating grease inside the housing and the amount of iron filings to predict the lifespan of the universal joint. When the universal joint is nearing failure, it can be replaced in time to avoid accidents.

[0018] In this embodiment, as shown in the figure, the housing is provided with a threaded hole 11, and the mounting part is provided with a threaded portion 42 that mates with the threaded hole. The threaded connection makes assembly and disassembly more convenient.

[0019] In this embodiment, as shown in the figure, the magnetic attraction part is a magnet that is detachably connected to the mounting component. Manufacturing is relatively simple.

[0020] In this embodiment, as shown in the figure, the bottom end face of the mounting component is provided with a mounting groove 43, and the magnet is installed in the mounting groove. It can be connected by means of snap-fit ​​or similar methods.

[0021] In this embodiment, as shown in the figure, the housing is provided with a recessed groove 12, the diameter of the recessed groove is larger than the threaded hole, the recessed groove is connected to the threaded hole, and the mounting part includes a cap 44, which is disposed in the recessed groove.

[0022] In this embodiment, as shown in the figure, a sealing ring 13 is provided between the bottom end face of the cap and the bottom end face of the sink groove to prevent leakage.

[0023] In this embodiment, as shown in the figure, multiple mounting components are provided. This results in a better adsorption effect.

[0024] 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.

[0025] 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.

[0026] 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 long-life constant velocity universal joint, comprising a housing (1), wherein the housing has an inner cavity (10), and the inner cavity has a three-ball pin assembly (3), characterized in that: Also includes A detachable mounting component (4) is installed on the outer wall of the housing, and a magnetic suction part (41) is provided on the mounting component located in the inner cavity.

2. A long-life constant velocity universal joint according to claim 1, characterized in that: The housing is provided with a threaded hole (11), and the mounting part is provided with a threaded part (42) that mates with the threaded hole.

3. A long-life constant velocity universal joint according to claim 1, characterized in that: The magnetic attraction part is a magnet that is detachably connected to the mounting component.

4. A long-life constant velocity universal joint according to claim 3, characterized in that: The bottom end face of the mounting component is provided with a mounting groove (43), and the magnet is installed in the mounting groove.

5. A long-life constant velocity universal joint according to claim 2, characterized in that: The housing is provided with a recess (12), the diameter of which is larger than that of the threaded hole, and the recess is connected to the threaded hole. The mounting part includes a cap (44) which is located in the recess.

6. A long-life constant velocity universal joint according to claim 5, characterized in that: A sealing ring (13) is provided between the bottom end face of the cap and the bottom end face of the sink trough.

7. A long-life constant velocity universal joint according to any one of claims 1-6, characterized in that: The mounting components are provided in multiple quantities.

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