Integrated dustproof component high-performance assembly

Abstract

The utility model discloses an integrated dustproof component high-performance assembly. The problems that at least part of an intermediate shaft of an existing conventional driving shaft assembly is exposed out of a dust cover, the intermediate shaft cannot be effectively protected, and the intermediate shaft possibly gets rusty when making contact with muddy water are mainly solved. The motor is characterized by further comprising a dust cover (4) which is of a tubular structure, one end of the dust cover is installed on the circumferential outer wall of the first shell in a sleeved mode, the other end of the dust cover is installed on the circumferential outer wall of the second shell in a sleeved mode, and the middle shaft is arranged in the dust cover. According to the integrated dustproof component high-performance assembly, the middle shaft cannot be exposed and cannot rust due to the fact that the middle shaft touches muddy water.

Description

Technical Field

[0001] The utility model relates to the field of automobile parts, in particular to an integrated dustproof component high-performance assembly. Background Art

[0002] In recent years, automobile technology has been increasingly improved and the automobile industry has developed in a diversified manner. Faced with fierce competition in the automobile parts market, automobile parts are moving towards diversification to meet market demand. As an important component of the automobile power transmission system, the drive shaft assembly has become an important means of market competition to improve its comprehensive performance.

[0003] The intermediate shaft of the conventional drive shaft assembly is at least partially exposed outside the dust cover, and the intermediate shaft cannot be effectively protected and may be exposed to muddy water and rust. Utility Model Content

[0004] In order to overcome the shortcomings of the background technology, the utility model provides an integrated dustproof component high-performance assembly, which mainly solves the problem that the intermediate shaft of the current conventional drive shaft assembly is at least partially exposed outside the dust cover, the intermediate shaft cannot be effectively protected, and may be exposed to mud and water and rust.

[0005] The technical solution of the utility model is:

[0006] An integrated dustproof component high-performance assembly includes an intermediate shaft, one end of the intermediate shaft is provided with a first universal joint, and the other end is provided with a second universal joint, the first universal joint includes a first housing, the second universal joint includes a second housing, and further includes

[0007] The dust cover is a tubular structure, one end of which is sleeved and installed on the circumferential outer wall of the first shell, and the other end of which is sleeved on the circumferential outer wall of the second shell, and the intermediate shaft is arranged in the dust cover.

[0008] The dust cover comprises a joint and a cover body. The joint is detachably connected to the first shell body. The joint is provided with a mounting portion for connecting with one end of the cover body.

[0009] The joint is connected to the first shell through a fastener.

[0010] The mounting portion is an annular clamping groove provided on the joint, and the cover body at one end is fixedly connected to the clamping groove.

[0011] The first housing comprises a main housing and a secondary housing which are detachably connected. A channel is arranged in the main housing, and a half shaft is arranged on the secondary housing.

[0012] The intermediate shaft comprises a sleeve, a first half-shaft and a second half-shaft, wherein one end of the first half-shaft extends into the first housing and the other end is connected to the sleeve; one end of the second half-shaft extends into the second housing and the other end is slidably matched with the sleeve.

[0013] A retaining frame is arranged on the outer side of the second half shaft extending into the sleeve, and a rolling ball matched with the inner wall of the sleeve is arranged on the retaining frame.

[0014] Eight channels are arranged in the first shell.

[0015] The beneficial effects of the utility model are as follows: the utility model provides an integrated dustproof component high-performance assembly, the intermediate shaft will not be exposed, and will not rust due to contact with mud and water. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The figure is a three-dimensional schematic diagram of a power connection piece according to an embodiment of the utility model.

[0017] Figure 2 Based Figure 1 A magnified schematic diagram of center A.

[0018] Figure 3 Based Figure 1 A magnified schematic diagram of point B in the middle. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings: As shown in the figure, the integrated dustproof component high-performance assembly 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, the first universal joint includes a first shell 21, the second universal joint includes a second shell 31, and also includes a dust cover 4, which is a tubular structure, one end of which is sleeved and installed on the circumferential outer wall of the first shell, and the other end is sleeved on the circumferential outer wall of the second shell, and the intermediate shaft is arranged in the dust cover. The intermediate shaft part extends into the first shell and the second shell and is connected with a star-shaped sleeve for use with the universal joint. It is a prior art and will not be repeated. The two ends of the dust cover are connected to the two universal joints, and the middle end is sleeved outside the middle, so that the middle of the exposed universal joint is covered in the dust cover, which plays a role in preventing mud and water.

[0020] In this embodiment, as shown in the figure, the dust cover includes a joint 41 and a cover body 42, the joint is detachably connected to the first shell, and the joint is provided with a mounting portion 411 for connecting to one end of the cover body. The joint can be mounted on the first shell by screws, the joint can be made of metal, the cover body can be made of rubber, the joint can be provided with internal threads, and the shell can be provided with external threads to achieve connection, or the two can be connected together by means of snap connection or the like.

[0021] In this embodiment, as shown in the figure, the joint is connected to the first housing through a fastener 91. The fastener can be a screw, a bolt, etc., and the joint can be installed by providing a mounting hole.

[0022] In this embodiment, as shown in the figure, the mounting portion is an annular clamping groove provided on the joint, and the cover body at one end is fixedly connected to the clamping groove. The cover body part extends into the clamping groove, and the clamping groove is deformed and clamped to be installed in place.

[0023] In this embodiment, as shown in the figure, the first housing includes a main housing 211 and a secondary housing 212 that are detachably connected, a channel is provided in the main housing, and a half shaft 213 is provided on the secondary housing. The main housing and the secondary housing are also installed by fasteners 91 at the same time, and the structure is more compact. When the half shaft is damaged, there is no need to replace the entire housing.

[0024] In this embodiment, as shown in the figure, the intermediate shaft includes a sleeve 11, a first half shaft 12 and a second half shaft 13. One end of the first half shaft extends into the first housing, and the other end is connected to the sleeve; one end of the second half shaft extends into the second housing, and the other end is slidably matched with the sleeve. The slippage can be increased, and once the product fails, the other end of the intermediate shaft and the connecting ball cage can be replaced, which improves the maintenance economy and reduces the labor intensity of maintenance. The service life of the product is increased. The first half shaft can be fixed by a retaining ring 8.

[0025] In this embodiment, as shown in the figure, a retainer 14 is provided outside the second half shaft extending into the sleeve, and a rolling ball 141 is provided on the retainer to cooperate with the inner wall of the sleeve, which is more conducive to sliding. The rolling ball can be a steel ball.

[0026] In this embodiment, as shown in the figure, 8 channels are provided in the first housing. The total volume of the 8-ball cage universal joint is reduced by 12% and the total mass is reduced by 16% compared with the 6-ball cage universal joint. According to finite element analysis, the 8-ball cage universal joint is subjected to less stress and has a longer fatigue life than the 6-ball cage universal joint.

[0027] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0029] The embodiments described with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention. The embodiments should not be regarded as limiting the present invention, but any improvements based on the spirit of the present invention should be within the scope of protection of the present invention.

Claims

1. An integrated dustproof component high-performance assembly, comprising an intermediate shaft (1), one end of the intermediate shaft being provided with a first universal joint (2), and the other end being provided with a second universal joint (3), the first universal joint comprising a first housing (21), and the second universal joint comprising a second housing (31), characterized in that: Also includes The dust cover (4) is a tubular structure, one end of which is sleeved and mounted on the circumferential outer wall of the first shell, and the other end of which is sleeved on the circumferential outer wall of the second shell, and the intermediate shaft is arranged in the dust cover.

2. The integrated dustproof component high-performance assembly according to claim 1, characterized in that: The dust cover comprises a joint (41) and a cover body (42); the joint is detachably connected to the first shell; and a mounting portion (411) for connecting to one end of the cover body is provided on the joint.

3. The integrated dustproof component high-performance assembly according to claim 2, characterized in that: The joint is connected to the first shell via a fastener (91).

4. The integrated dustproof component high-performance assembly according to claim 3, characterized in that: The mounting portion is an annular clamping groove provided on the joint, and the cover body at one end is fixedly connected to the clamping groove.

5. The integrated dustproof component high-performance assembly according to claim 1, characterized in that: The first housing comprises a main housing (211) and a secondary housing (212) which are detachably connected, a channel is provided in the main housing, and a half shaft (213) is provided on the secondary housing.

6. The integrated dustproof component high-performance assembly according to claim 5, characterized in that: The intermediate shaft comprises a sleeve (11), a first half-shaft (12) and a second half-shaft (13); one end of the first half-shaft extends into the first housing and the other end is connected to the sleeve; one end of the second half-shaft extends into the second housing and the other end is slidably engaged with the sleeve.

7. The integrated dustproof component high-performance assembly according to claim 6, characterized in that: A retaining frame (14) is provided on the outside of the second half shaft extending into the sleeve, and a rolling ball (141) is provided on the retaining frame and matches the inner wall of the sleeve.

8. The integrated dustproof component high-performance assembly according to claim 5, characterized in that: Eight channels are arranged in the first shell.

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