CN212868233U

CN212868233U - Anti-shake rzeppa constant velocity universal joint

Info

Publication number: CN212868233U
Application number: CN202021961515.5U
Authority: CN
Inventors: 詹益湖
Original assignee: Heshan Gck Auto Parts Co ltd
Current assignee: Heshan Gck Auto Parts Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-04-02
Anticipated expiration: 2030-09-09

Abstract

The utility model relates to a universal joint technical field, especially an anti shake rzeppa constant velocity universal joint, including the universal joint body, the universal joint body includes driving shaft, outer spherical shell, ball cage, steel ball and star cover, be provided with the star cover between driving shaft and the outer spherical shell, the steel ball sets up between star cover and outer spherical shell, the ball cage sets up the surface at the steel ball, be provided with the dustcoat between the surface of driving shaft and outer spherical shell. The utility model has the advantages that: through seting up a plurality of recesses respectively at driving shaft and outer spherical shell surface to at the both ends of dustcoat inner wall fixed connection first boss in proper order, second boss, third boss and fourth boss, wherein the position of four bosss is corresponding with the position of a plurality of recesses, during the use, clamp the boss in the inside of recess, wherein the inner wall of recess is provided with the oil reservoir, makes the water proof of whole device and the effect of impurity better, avoids the foreign matter to get into, makes the condition of shake appear in whole device.

Description

Anti-shake rzeppa constant velocity universal joint

Technical Field

The utility model relates to a universal joint technical field, especially an anti shake rzeppa constant velocity universal joint.

Background

The constant velocity universal joint is a device which connects two shafts with an included angle or a changed mutual position between the shafts and enables the two shafts to transmit power at the same angular velocity, and can overcome the problem of non-constant velocity of the common cross shaft type universal joint. The constant velocity universal joints widely used at present mainly include a ball-and-fork type universal joint and a rzeppa type universal joint.

The rzeppa universal joint who uses at present has formed comparatively fixed structure, and the application in actual life is also comparatively extensive, nevertheless the rzeppa universal joint who uses at present can produce when using and rock, because the rocking that produces makes water stain and tiny gravel get into easily, makes the inside production shake of universal joint, and the wearing and tearing of inside spare part influence its normal use with higher speed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide an anti shake rzeppa constant velocity universal joint, effectively solved prior art not enough.

The purpose of the utility model is realized through the following technical scheme: an anti-shake rzeppa constant velocity joint includes a joint body;

the universal joint body comprises a driving shaft, an outer spherical shell, a ball cage, a steel ball and a star-shaped sleeve, wherein the star-shaped sleeve is arranged between the driving shaft and the outer spherical shell, the steel ball is arranged between the star-shaped sleeve and the outer spherical shell, the ball cage is arranged on the outer surface of the steel ball, and an outer cover is arranged between the driving shaft and the outer surface of the outer spherical shell;

the outer surfaces of the driving shaft and the outer spherical shell are provided with a plurality of grooves, oil layers are arranged on the bottom surfaces of the inner walls of the grooves, a first boss, a second boss, a third boss and a fourth boss are fixedly connected to the two ends of the inner wall of the outer cover from outside to inside in sequence, the first boss, the second boss, the third boss and the fourth boss are respectively clamped with the grooves, clamping grooves are formed in the two ends of the outer surface of the outer cover, and hoops are arranged at the two ends of the outer surface of the outer cover;

the middle part of the inner wall of the hoop is fixedly connected with a clamping block, and the clamping block is clamped with the clamping groove.

Optionally, the steel ball is made of high manganese steel and subjected to surface hardening treatment, and the driving shaft is made of 42 GrMo.

Optionally, the depth of the inner walls of the plurality of grooves is greater than the height of the first boss, the width of the inner walls of the plurality of grooves is equal to the width of the first boss, and the distance between each two of the plurality of grooves is equal to the distance between the first boss and the second boss.

Optionally, the depth of the inner wall of the clamping groove is smaller than the height of the clamping block, and the width of the inner wall of the clamping groove is equal to the width of the clamping block.

The utility model has the advantages of it is following:

1. this anti shake rzeppa constant velocity universal joint, through seting up a plurality of recesses at driving shaft and outer spherical shell surface respectively, and at the both ends of dustcoat inner wall fixed connection first boss in proper order, the second boss, third boss and fourth boss, wherein the position of four bosss is corresponding with the position of a plurality of recesses, when using, clamp the boss in the inside of recess, wherein the inner wall of recess is provided with the oil reservoir, the water proof that makes whole device and the effect of impurity are better, avoid the foreign matter to get into, the condition of shake appears in messenger whole device.

2. This anti shake rzeppa constant velocity universal joint, the inner wall through the hoop of the both sides of outer cover surface and respectively sets up draw-in groove and fixture block, during the use, clamp the fixture block in the inside of draw-in groove, avoid it to appear the gliding condition, the material of steel ball uses high manganese steel simultaneously, and do the surface hardening and handle, to a certain extent, the diameter of steel ball has been increased, the clearance between its and the cooperation part has been reduced, can reduce the production of vibration, wear resistance improves, and service life increases.

Drawings

Fig. 1 is a schematic view of an assembly structure of the present invention;

FIG. 2 is a schematic structural view of the universal joint body of the present invention;

FIG. 3 is a schematic structural view of the cover of the present invention;

figure 4 is the cross-sectional structure of the hoop of the present invention.

In the figure: 1-universal joint body, 101-driving shaft, 102-outer spherical shell, 103-ball cage, 104-steel ball, 105-star sleeve, 2-hoop, 3-outer cover, 4-clamping groove, 5-first boss, 6-second boss, 7-third boss, 8-fourth boss, 9-clamping block, 10-groove and 11-oil layer.

Detailed Description

The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

As shown in fig. 1 to 4, an anti-shake birfield constant velocity joint includes a joint body 1;

the universal joint body 1 comprises a driving shaft 101, an outer spherical shell 102, a ball cage 103, a steel ball 104 and a star sleeve 105, wherein the star sleeve 105 is arranged between the driving shaft 101 and the outer spherical shell 102, the steel ball 104 is arranged between the star sleeve 105 and the outer spherical shell 102, the ball cage 103 is arranged on the outer surface of the steel ball 104, and an outer cover 3 is arranged between the driving shaft 101 and the outer surface of the outer spherical shell 102;

the outer surfaces of the driving shaft 101 and the outer spherical shell 102 are both provided with a plurality of grooves 10, the bottom surfaces of the inner walls of the grooves 10 are both provided with an oil layer 11, two ends of the inner wall of the outer cover 3 are fixedly connected with a first boss 5, a second boss 6, a third boss 7 and a fourth boss 8 from outside to inside in sequence, the first boss 5, the second boss 6, the third boss 7 and the fourth boss 8 are respectively clamped with the grooves 10, two ends of the outer surface of the outer cover 3 are both provided with clamping grooves 4, and two ends of the outer surface of the outer cover 3 are both provided with hoops 2;

the middle part of the inner wall of the hoop 2 is fixedly connected with a clamping block 9, and the clamping block 9 is clamped with the clamping groove 4.

As an optional technical solution of the utility model:

the steel ball 104 is made of high manganese steel and subjected to surface hardening treatment, the driving shaft 101 is made of 42GrMo, the diameter of the steel ball 104 is increased to a certain extent, the gap between the steel ball and a matched part is reduced, vibration can be reduced, the wear resistance is improved, and the service life is prolonged.

As an optional technical solution of the utility model:

the degree of depth of a plurality of recess 10 inner walls all is greater than the height of first boss 5, the width of a plurality of recess 10 inner walls all equals with the width of first boss 5, the distance between a plurality of recess 10 two liang all equals with the distance between first boss 5 and the second boss 6, make the water proof of whole device and the effect of impurity better, avoid the foreign matter to get into, and the two of looks joint, its fixed effect is better, prevent that the condition of shake from appearing in whole device.

As an optional technical solution of the utility model:

the degree of depth of 4 inner walls of draw-in groove all is less than the height of fixture block 9, and the width of 4 inner walls of draw-in groove equals with the width of fixture block 9, and hoop 2 can play the effect of fixed dustcoat 3 positions, avoids dustcoat 3 gliding condition to appear, promotes the wholeness after the cooperation installation of whole device.

The working process of the utility model is as follows: when a user uses the device, a plurality of grooves 10 are respectively formed on the outer surfaces of a driving shaft 101 and an outer spherical shell 102, a first boss 5, a second boss 6, a third boss 7 and a fourth boss 8 are sequentially and fixedly connected with two ends of the inner wall of an outer cover 3, the positions of the four bosses correspond to the positions of the grooves 10, when the device is used, the bosses are clamped in the grooves 10, an oil layer 11 is arranged on the inner wall of the groove 10, so that the water and impurity resisting effect of the whole device is good, foreign matters are prevented from entering, the shaking condition of the whole device is avoided, clamping grooves 4 and clamping blocks 9 are respectively arranged on two sides of the outer surface of the outer cover 3 and the inner wall of a hoop 2, when the device is used, the clamping blocks 9 are arranged in the clamping grooves 4, the sliding condition of the clamping blocks is avoided, meanwhile, high manganese steel is used as the material of a steel ball 103, and surface hardening treatment is, the diameter of the steel ball 104 is increased, the clearance between the steel ball and a matched part is reduced, the generation of vibration can be reduced, the wear resistance is improved, and the service life is prolonged.

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. An anti-shake rzeppa constant velocity joint characterized in that: comprises a universal joint body (1);

the universal joint body (1) comprises a driving shaft (101), an outer spherical shell (102), a ball cage (103), a steel ball (104) and a star sleeve (105), wherein the star sleeve (105) is arranged between the driving shaft (101) and the outer spherical shell (102), the steel ball (104) is arranged between the star sleeve (105) and the outer spherical shell (102), the ball cage (103) is arranged on the outer surface of the steel ball (104), and an outer cover (3) is arranged between the driving shaft (101) and the outer surface of the outer spherical shell (102);

the outer surfaces of the driving shaft (101) and the outer spherical shell (102) are provided with a plurality of grooves (10), oil layers (11) are arranged on the bottom surfaces of the inner walls of the grooves (10), two ends of the inner wall of the outer cover (3) are fixedly connected with a first boss (5), a second boss (6), a third boss (7) and a fourth boss (8) from outside to inside in sequence, the first boss (5), the second boss (6), the third boss (7) and the fourth boss (8) are respectively clamped with the grooves (10), two ends of the outer surface of the outer cover (3) are provided with clamping grooves (4), and two ends of the outer surface of the outer cover (3) are provided with hoop rings (2);

the middle part of the inner wall of the hoop (2) is fixedly connected with a clamping block (9), and the clamping block (9) is clamped with the clamping groove (4).

2. An anti-shudder birfield constant velocity joint as claimed in claim 1, wherein: the steel ball (104) is made of high manganese steel and subjected to surface hardening treatment, and the driving shaft (101) is made of 42 GrMo.

3. An anti-shudder birfield constant velocity joint as claimed in claim 1, wherein: the depth of the inner wall of each groove (10) is larger than the height of the corresponding first boss (5), the width of the inner wall of each groove (10) is equal to the width of the corresponding first boss (5), and the distance between every two grooves (10) is equal to the distance between the corresponding first boss (5) and the corresponding second boss (6).

4. An anti-shudder birfield constant velocity joint as claimed in claim 1, wherein: the depth of the inner wall of the clamping groove (4) is smaller than the height of the clamping block (9), and the width of the inner wall of the clamping groove (4) is equal to the width of the clamping block (9).