CN217081168U

CN217081168U - Single-single-joint universal joint transmission shaft

Info

Publication number: CN217081168U
Application number: CN202220833091.7U
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: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-07-29
Anticipated expiration: 2032-04-12

Abstract

The utility model discloses a single ally oneself with universal joint transmission shaft, including first universal joint fork and second universal joint fork, the inner chamber of first universal joint fork is provided with first ten bytes, the inner chamber of second universal joint fork is provided with the twenty byte, the equal fixed cover in surface of twenty byte and first ten bytes is equipped with thrust bearing, both sides all run through with upper and lower both sides around the thrust bearing and are provided with the kingpin, the surface of first ten bytes is provided with the eccentric shaft of second and forks. The utility model discloses a first universal joint fork, second universal joint fork, the first cross section, first eccentric shaft fork, integral key shaft, second eccentric shaft fork, telescopic tube, thrust bearing, kingpin and the cooperation of twentieth section are used, have solved current universal joint transmission axle at the in-process that uses, can not adjust according to the demand that vehicle steering drive axle used and weight is heavier and the great problem of cross section department rotation space.

Description

Single-single-joint universal joint transmission shaft

Technical Field

The utility model relates to a universal joint transmission shaft technical field specifically is single antithetical couplet universal joint transmission shaft.

Background

The universal joint is a part for realizing variable angle power transmission, is used for changing the position of the transmission axis direction, and is a joint part of a universal transmission device of an automobile driving system.

At the in-process of oversize vehicle operation, often need the universal joint transmission axle to drive the vehicle and remove, current universal joint transmission axle is at the in-process of using, can not adjust according to the demand that the vehicle steering drive axle used usually, leads to unable satisfying vehicle operation requirement, and the weight of universal joint transmission shaft is heavier usually, and ten bytes department gyration space is great simultaneously for the angle that needs to use after the loading is great, leads to the moment of torsion of destruction too big when static easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a single antithetical couplet universal joint transmission shaft possesses the advantage that can adjust and light in weight cross joint rotation space is little according to the demand that vehicle steering drive axle used, has solved current universal joint transmission axle at the in-process that uses, can not adjust according to the demand that vehicle steering drive axle used and weight is heavier and the great problem of ten bytes department rotation space.

In order to achieve the above object, the utility model provides a following technical scheme: the single-unit universal joint transmission shaft comprises a first universal joint fork and a second universal joint fork, wherein a first cross joint is arranged in an inner cavity of the first universal joint fork, a second cross joint is arranged in an inner cavity of the second universal joint fork, thrust bearings are fixedly sleeved on the surfaces of the second cross joint fork and the first cross joint, rolling needles are arranged on the front side and the rear side and the upper side and the lower side of each thrust bearing in a penetrating mode, a second eccentric shaft fork is arranged on the surface of the first cross joint, a first eccentric shaft fork is arranged on the surface of the second cross joint, a spline shaft is fixedly connected to the right side of the first eccentric shaft fork, and a telescopic sleeve is fixedly connected to the left side of the second eccentric shaft fork.

Preferably, a first anti-slip groove is formed in the left side of the first universal joint fork, and a second anti-slip groove is formed in the right side of the second universal joint fork.

Preferably, the left side of the telescopic sleeve is communicated with a sleeve opening, and an oil seal cover is movably sleeved on the surface of the spline shaft.

Preferably, the outer side of the thrust bearing is in clearance fit with the inner wall of the second universal joint yoke, and the outer side of the thrust bearing is in clearance fit with the inner wall of the second eccentric shaft yoke.

Preferably, the outer side of the twentieth byte is in clearance fit with the inner wall of the first universal joint yoke, and the outer side of the twentieth byte is in clearance fit with the inner wall of the first eccentric shaft yoke.

Preferably, the first eccentric yoke and the first yoke rotate by thirty-eight degrees, and the second eccentric yoke and the second yoke rotate by thirty-eight degrees.

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

the utility model discloses a first universal joint fork, second universal joint fork, the first cross section, first eccentric shaft fork, integral key shaft, second eccentric shaft fork, telescopic tube, thrust bearing, kingpin and the cooperation of twentieth section are used, have solved current universal joint transmission axle at the in-process that uses, can not adjust according to the demand that vehicle steering drive axle used and weight is heavier and the great problem of cross section department rotation space.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the structure of the present invention;

fig. 3 is a sectional view of the local telescopic pipe of the present invention.

In the figure: 1 first universal joint fork, 2 second universal joint fork, 3 first cross joint, 4 first eccentric shaft fork, 5 spline shaft, 6 second eccentric shaft fork, 7 telescopic sleeve, 8 thrust bearing, 9 needle roller and 10 twentieth joint.

Detailed Description

Referring to fig. 1 to 3, the single universal joint transmission shaft includes a first universal joint yoke 1 and a second universal joint yoke 2, a first cross joint 3 is disposed in an inner cavity of the first universal joint yoke 1, a second cross joint 10 is disposed in an inner cavity of the second universal joint yoke 2, thrust bearings 8 are fixedly sleeved on surfaces of the second cross joint 10 and the first cross joint 3, needle rollers 9 are respectively disposed on front and rear sides and upper and lower sides of each thrust bearing 8 in a penetrating manner, a second eccentric shaft yoke 6 is disposed on a surface of the first cross joint 3, a first eccentric shaft yoke 4 is disposed on a surface of the second cross joint 10, a spline shaft 5 is fixedly connected to a right side of the first eccentric shaft yoke 4, and a telescopic sleeve 7 is fixedly connected to a left side of the second eccentric shaft yoke 6.

A first anti-slip groove is formed in the left side of the first universal joint fork 1, and a second anti-slip groove is formed in the right side of the second universal joint fork 2.

The left side of the telescopic sleeve 7 is communicated with a sleeve opening, and the surface of the spline shaft 5 is movably sleeved with an oil seal cover.

The outer side of the thrust bearing 8 is in clearance fit with the inner wall of the second universal joint yoke 2, and the outer side of the thrust bearing 8 is in clearance fit with the inner wall of the second eccentric shaft yoke 6.

The outer side of the twentieth joint part 10 is in clearance fit with the inner wall of the first universal joint yoke 1, the outer side of the twentieth joint part 10 is in clearance fit with the inner wall of the first eccentric shaft yoke 4,

the angle of rotation between the first eccentric yoke 4 and the first yoke 1 is thirty-eight degrees and the angle of rotation between the second eccentric yoke 6 and the second yoke 2 is thirty-eight degrees.

Through setting up the running-on, can prevent that debris from getting into telescopic tube 7 in, can lead spline shaft 5 simultaneously, through setting up first antiskid groove, can increase the frictional force between first universal joint fork 1 and the jointing equipment, through setting up second antiskid groove, can increase the frictional force between second universal joint fork 2 and the actuating equipment, through setting up kingpin 9, can carry on spacingly to thrust bearing 8, prevent thrust bearing 8 from taking place the displacement, through setting up the oil blanket lid, be convenient for add fluid in the spline shaft 5, it is not enough to prevent that spline shaft 5 from lubricated when the operation.

The spline shaft 5 is a mechanical transmission type and has the same functions as a flat key, a semicircular key and a wedge key and transmits mechanical torque, a longitudinal key groove is formed in the outer surface of the shaft, a rotating part sleeved on the shaft is also provided with a corresponding key groove, the rotating part can keep synchronous rotation with the shaft, and some spline shafts can longitudinally slide while rotating, such as a gear shifting gear of a gearbox.

The thrust bearing 8 is a special bearing for bearing the axial force, namely a bearing with the force in the direction parallel to the shaft, the thrust bearing 8 is also called as a thrust bearing, the thrust bearing is generally composed of two thrust washers or more thrust washers and a plurality of rolling bodies, the thrust washers are generally divided into a shaft sheet and a seat sheet, the rolling bodies are generally combined into a whole by iron or copper retainers in the most common mode, and the bearing of the type is the steel ball type thrust bearing in the most common mode.

During the use, the user is connected second universal joint fork 2 and vehicle drive equipment, the user is connected first universal joint fork 1 and vehicle drive equipment afterwards, when drive equipment drives second universal joint fork 2 and operates, second universal joint fork 2 drives second eccentric shaft fork 6 through twentieth byte 10 and transmits, second eccentric shaft fork 6 drives integral key shaft 5 through setting up telescopic tube 7 and operates afterwards, integral key shaft 5 drives first eccentric shaft fork 4 and operates, first eccentric shaft fork 4 drives first universal joint fork 1 through first ten bytes 3 and operates, first universal joint fork 1 drives transmission equipment and operates afterwards.

In summary, the following steps: this single-unit universal joint transmission shaft, through first universal joint fork 1, second universal joint fork 2, there is the cross 3, first eccentric shaft fork 4, integral key shaft 5, second eccentric shaft fork 6, telescopic tube 7, thrust bearing 8, kingpin 9 and the cooperation of twentieth byte 10 to use, solved current universal joint transmission shaft at the in-process that uses, can not adjust according to the demand that vehicle steering drive axle used and weight is heavier and the great problem of ten bytes department's gyration space.

Claims

1. Single universal joint transmission shaft that singly allies oneself with, including first universal joint fork (1) and second universal joint fork (2), its characterized in that: the inner cavity of the first universal joint fork (1) is provided with a first cross joint (3), the inner cavity of the second universal joint fork (2) is provided with a second cross joint (10), the surfaces of the second cross joint (10) and the first cross joint (3) are fixedly sleeved with thrust bearings (8), rolling needles (9) are arranged on the front side, the rear side, the upper side and the lower side of each thrust bearing (8) in a penetrating mode, a second eccentric shaft fork (6) is arranged on the surface of the first cross joint (3), a first eccentric shaft fork (4) is arranged on the surface of the second cross joint (10), a spline shaft (5) is fixedly connected to the right side of the first eccentric shaft fork (4), and a telescopic sleeve (7) is fixedly connected to the left side of the second eccentric shaft fork (6).

2. The single union cardan shaft according to claim 1, wherein: a first anti-slip groove is formed in the left side of the first universal joint fork (1), and a second anti-slip groove is formed in the right side of the second universal joint fork (2).

3. The single union cardan shaft according to claim 1, wherein: the left side of the telescopic sleeve (7) is communicated with a sleeve opening, and an oil seal cover is movably sleeved on the surface of the spline shaft (5).

4. The single union cardan shaft according to claim 1, wherein: the outer side of the thrust bearing (8) is in clearance fit with the inner wall of the second universal joint fork (2), and the outer side of the thrust bearing (8) is in clearance fit with the inner wall of the second eccentric shaft fork (6).

5. The single union cardan shaft according to claim 1, wherein: the outer side of the twentieth joint (10) is in clearance fit with the inner wall of the first universal joint fork (1), and the outer side of the twentieth joint (10) is in clearance fit with the inner wall of the first eccentric shaft fork (4).

6. The single union cardan shaft according to claim 1, wherein: the angle of rotation between the first eccentric shaft fork (4) and the first universal joint fork (1) is thirty-eight degrees, and the angle of rotation between the second eccentric shaft fork (6) and the second universal joint fork (2) is thirty-eight degrees.