CN210565866U

CN210565866U - 38 degree single-double universal joint

Info

Publication number: CN210565866U
Application number: CN201921146785.8U
Authority: CN
Inventors: 王维澈
Original assignee: Xi'an Three Sound Auto Parts Co ltd
Current assignee: Xi'an Three Sound Auto Parts Co ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-05-19
Anticipated expiration: 2029-07-22

Abstract

The utility model discloses a 38 single double-unit universal joint, including shaft yoke, end face bearing, bearing housing, cross axle and fork type flange, the one end swing joint of shaft yoke has the cross axle, the fixed cover in both sides is equipped with end face bearing all around the cross axle, end face bearing's fixed surface cover is equipped with the bearing housing, the fixed surface cover of bearing housing is equipped with fork type flange, the top and the bottom of shaft yoke one end inner chamber respectively with the top and the bottom swing joint of cross axle, the surface of two bearing housings of front and back is located to fixed cover respectively in both sides around the inner chamber of fork type flange one side, and the pivot angle maximum value of activity is 38 between fork type flange and the shaft yoke. The utility model discloses a shaft yoke, end face bearing, bearing housing, cross axle and the cooperation of fork type flange are used, can make the single pair cross axle type rigidity universal joint pivot angle increase to 38, have solved the problem that current single pair cross axle type rigidity universal joint pivot angle is little on the left.

Description

38 degree single-double universal joint

Technical Field

The utility model relates to a single pair of cross axle universal joint technical field specifically is 38 single pair of universal joints.

Background

The single-duplex cross shaft type rigid universal joint comprises a universal joint fork, a cross shaft, a needle bearing, an oil seal, a spline housing, a spline shaft, a bearing cover and the like, and the working principle is as follows: one of the rotating forks drives the other fork to rotate through the cross shaft and can swing in any direction around the center of the cross shaft.

However, the swing angle of the existing single-duplex cross axle type rigid universal joint is only 28 degrees, and the problem of small swing angle exists, and the problem is mainly caused by the structural defect of the universal joint fork, so that the universal joint fork needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a 38 single pair universal joint possesses the big advantage of pivot angle, has solved the current single pair cross axle type rigidity universal joint pivot angle problem of being less than normal.

In order to achieve the above object, the utility model provides a following technical scheme: 38 single pair of universal joint, including shaft yoke, end face bearing, bearing housing, cross and forked type flange, the one end swing joint of shaft yoke has the cross, the fixed cover in both sides is equipped with the end face bearing around the cross, the fixed surface cover of end face bearing is equipped with the bearing housing, the fixed surface cover of bearing housing is equipped with forked type flange.

Preferably, the top and the bottom of the inner cavity at one end of the shaft fork are respectively movably connected with the top and the bottom of the cross shaft, and the front side and the rear side of the inner cavity at one side of the fork-shaped flange are respectively fixedly sleeved on the surfaces of the front bearing sleeve and the rear bearing sleeve.

Preferably, the maximum value of the swing angle of the movement between the fork-shaped flange and the shaft fork is 38 degrees, and the fork-shaped flange and the shaft fork are arranged in a normal vertical crossing manner.

Preferably, the fork-shaped flange 5 and the shaft fork 1 are both provided with mounting holes, and the diameter of each mounting hole is 1mm-2mm larger than the outer diameter of the bearing sleeve.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a shaft yoke, end face bearing, bearing housing, cross axle and the cooperation of fork type flange are used, can make the single pair cross axle type rigidity universal joint pivot angle increase to 38, have solved the problem that current single pair cross axle type rigidity universal joint pivot angle is little on the left.

2. The utility model discloses a design shaft yoke and fork type flange, and increase end face bearing, increase to 38 with single pair of shaft type rigidity universal joint pivot angle of cross, through the cooperation of shaft yoke and fork type flange, make between it do not have when forming 38 and interfere, it is nimble to rotate, and increase end face bearing between cross and bearing housing, frictional force between cross and the bearing housing when being used for reducing the wide-angle swing, reduce wearing and tearing, improve transmission efficiency, increase of service life, and can make the swing steady, it is smooth and easy.

Drawings

FIG. 1 is an exploded view of the present invention;

fig. 2 is a schematic structural diagram of the present invention.

In the figure: the bearing comprises a shaft fork 1, an end face bearing 2, a bearing sleeve 3, a cross shaft 4 and a fork-shaped flange 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a shaft yoke 1, end face bearing 2, bearing housing 3, cross 4 and fork type flange 5 part are the parts that general standard component or field technical personnel know, and its structure and principle all are that this technical personnel all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-2, a 38 ° single-double universal joint comprises a shaft yoke 1, an end face bearing 2, a bearing sleeve 3, a cross shaft 4 and a fork flange 5, wherein one end of the shaft yoke 1 is movably connected with the cross shaft 4, the front side and the rear side of the cross shaft 4 are both fixedly sleeved with the end face bearing 2, the surface of the end face bearing 2 is fixedly sleeved with the bearing sleeve 3, the surface of the bearing sleeve 3 is fixedly sleeved with the fork flange 5, the top and the bottom of an inner cavity at one end of the shaft yoke 1 are respectively and movably connected with the top and the bottom of the cross shaft 4, the front side and the rear side of an inner cavity at one side of the fork flange 5 are respectively and fixedly sleeved on the surfaces of the front bearing sleeve 3 and the rear bearing sleeve 3, the maximum movable swing angle between the fork flange 5 and the shaft yoke 1 is 38 °, by designing the shaft yoke 1 and the fork flange 5 and adding the end face bearing 2, the swing angle of the single-double, the universal joint has the advantages that the universal joint does not have interference when 38 degrees are formed, the universal joint is flexible to rotate, the end face bearing 2 is additionally arranged between the cross shaft 4 and the bearing sleeve 3 to reduce the friction force between the cross shaft 4 and the bearing sleeve 3 when the cross shaft swings at a large angle, the abrasion is reduced, the transmission efficiency is improved, the service life is prolonged, the swinging is stable and smooth, the fork-shaped flange 5 and the shaft fork 1 are arranged in a normally vertical crossed mode, the fork-shaped flange 5 and the shaft fork 1 are respectively provided with the mounting hole, the diameter of the mounting hole is larger than the outer diameter of the bearing sleeve 3 by 1-2 mm, the swing angle of the single-double-connection cross-shaped rigid universal joint can be increased to 38 degrees through the matched use of the shaft fork 1, the end face bearing 2, the bearing sleeve 3, the cross shaft 4 and the fork-shaped flange 5, and the problem that the swing angle of the existing.

When the universal joint is used, the cross shaft 4 and the shaft fork 1 are assembled, the end face bearing 2 is assembled to the bearing sleeve 3, then the bearing sleeve 3 assembled with the end face bearing 2 is pressed to the shaft fork 1, the cross flange 5 is assembled to the cross shaft 4, the bearing sleeve 3 assembled with the end face bearing 2 is pressed to the shaft fork 1, and the structures of the shaft fork 1 and the cross flange 5 are designed, so that the single-double-coupling cross shaft type rigid universal joint flexibly rotates in a 38-degree mode, in the rotating process, the cross shaft 4 and the bearing sleeve 3 swing mutually, the friction force of the end face bearing 2 in the swinging process is increased, the abrasion is reduced, the transmission efficiency is improved, the service life is prolonged, and the swinging is stable and smooth.

In summary, the following steps: the 38-degree single-duplex universal joint solves the problem that the pivot angle of the single-duplex cross shaft type rigid universal joint is increased to 38 degrees through the matched use of the shaft yoke 1, the end face bearing 2, the bearing sleeve 3, the cross shaft 4 and the fork type flange 5, and solves the problem that the pivot angle of the existing single-duplex cross shaft type rigid universal joint is small.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1.38 single double universal joint, including shaft yoke (1), end face bearing (2), bearing housing (3), cross axle (4) and forked flange (5), its characterized in that: the one end swing joint of shaft yoke (1) has cross (4), both sides are all fixed the cover and are equipped with end face bearing (2) around cross (4), the fixed surface cover of end face bearing (2) is equipped with bearing housing (3), the fixed surface cover of bearing housing (3) is equipped with fork type flange (5).

2. The 38 ° single-double gimbal according to claim 1, wherein: the top and the bottom of an inner cavity at one end of the shaft fork (1) are respectively movably connected with the top and the bottom of the cross shaft (4), and the front side and the rear side of the inner cavity at one side of the fork-shaped flange (5) are respectively fixedly sleeved on the surfaces of the front bearing sleeve and the rear bearing sleeve (3).

3. The 38 ° single-double gimbal according to claim 1, wherein: the maximum value of the swing angle of the movement between the fork-shaped flange (5) and the shaft fork (1) is 38 degrees, and the fork-shaped flange (5) and the shaft fork (1) are arranged in a normal vertical crossing manner.

4. The 38 ° single-double gimbal according to claim 1, wherein: mounting holes are formed in the fork type flange (5) and the shaft fork (1), and the diameter of each mounting hole is 1-2 mm larger than the outer diameter of the bearing sleeve (3).