CN216566710U

CN216566710U - Cold-heading forming universal ball cage star-shaped sleeve

Info

Publication number: CN216566710U
Application number: CN202220115859.7U
Authority: CN
Inventors: 郝振军
Original assignee: Wuhu Tianjin Machinery Co ltd
Current assignee: Wuhu Tianjin Machinery Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-05-20
Anticipated expiration: 2032-01-18

Abstract

The utility model discloses a cold heading formed universal ball cage star-shaped sleeve, which relates to the technical field of universal ball cage components and comprises a star-shaped sleeve body, wherein the star-shaped sleeve body comprises a shaft hole, an end face, a ball slideway and an outer convex part, a first oil drainage groove is arranged on the ball slideway of the star-shaped sleeve body, a second oil drainage groove is arranged on the outer convex part of the star-shaped sleeve body, two end parts of the first oil drainage groove and the second oil drainage groove extend to the end face of the star-shaped sleeve body, and a notch is formed at the edge of the end face. According to the utility model, the oil guide groove I and the oil guide groove II are arranged, and the notch is formed at the edge of the end surface, so that the lubricating oil around the end surface of the star-shaped sleeve body is guided while the effective working area of the star-shaped sleeve body and the retainer in the working state is kept, the abrasion of the retainer, the star-shaped sleeve body and the steel balls caused by contact is reduced, the noise can be effectively reduced, and the service life of the whole ball cage is prolonged.

Description

Cold-heading forming universal ball cage star-shaped sleeve

Technical Field

The utility model relates to the technical field of universal ball cage components, in particular to a cold heading formed universal ball cage star sleeve.

Background

The constant velocity universal joint is an important part in a vehicle transmission system, and the function of the constant velocity universal joint is to transmit the power of an engine from a transmission to a driving wheel to drive a car to run at a high speed. Constant velocity joints for passenger cars are of many types, and among them, ball type constant velocity joints and tripod type constant velocity joints are most widely used, and the ball type constant velocity joints are mainly composed of a drive shaft, an inner race, a cage, steel balls, and an outer race.

Wherein, the steel ball in the ball cage is positioned and held by the retainer and the star-shaped sleeve, the retainer is used as an important part in the ball cage type constant velocity universal joint, the important function of the retainer is to be matched with the steel ball to keep the steel ball to slide and roll in the ball cage, because the constant velocity universal joint transmits heavy driving torque and is subjected to heavy load and high in transmission precision, main parts of the constant velocity universal joint are processed by adopting a precision forging part, however, during the continuous movement of the steel ball in the ball cage during the running of a vehicle, the retainer is easy to break under the contact and stress abrasion with the steel ball, so that the steel ball falls off, and the movement range of the steel ball cannot be stably limited after the abrasion is generated, so that the abrasion of other parts is easy to cause, therefore, the mutual abrasion among the parts can be reduced, the noise is reduced, the integral service life of the ball cage is prolonged, in order to ensure the lubricating effect of the movement of the steel ball in the ball cage, we provide a cold heading formed universal ball cage spider.

Disclosure of Invention

The utility model aims to solve the problem of providing a cold heading formed universal ball cage star sleeve, which provides a lubricating oil circulation channel to the space between a steel ball and a retainer through the star sleeve, ensures the lubricating effect of the steel ball in a ball cage, and integrally and effectively reduces the contact abrasion between parts.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a cold universal ball cage star cover of mound shaping, includes the star cover body, the star cover body includes shaft hole, terminal surface, ball slide and outer convex part, set up oil drainage groove one on the ball slide of star cover body, set up oil drainage groove two on the outer convex part of star cover body, oil drainage groove one all extends to the terminal surface of star cover body with the both ends of oil drainage groove two on to form the notch at terminal surface edge.

Preferably, the oil guide groove I and the oil guide groove II are strip-shaped grooves extending along the axial direction of the star-shaped sleeve body.

Preferably, the first oil guide groove and the second oil guide groove are triangular grooves arranged along the wall surface.

Preferably, included angles between the groove surfaces of the first oil guide groove and the second oil guide groove and the connection surface of the side wall of the star-shaped sleeve body are obtuse angles.

Preferably, the oil guide groove II is arched and bent along the bending direction of the arc-shaped surface of the outer convex part.

Preferably, the oil drainage grooves are axially and uniformly distributed around the star sleeve body.

Preferably, the oil guide grooves II are uniformly distributed around the axial direction of the star-shaped sleeve body.

Preferably, at least one oil guide groove I is arranged on the ball slideway.

Preferably, at least one oil drainage groove II is formed in the outer convex part.

The utility model provides a cold heading forming universal ball cage star-shaped sleeve, which has the following beneficial effects:

according to the utility model, the oil guide groove I and the oil guide groove II are arranged, the notch is formed at the edge of the end surface, the lubricating oil around the end surface of the star-shaped sleeve body is drained while the effective working area of the star-shaped sleeve body and the retainer in a working state is kept, the lubricating oil is drained into the ball slideway through the oil guide groove I and is in contact lubrication with the steel balls, the lubricating oil is drained to the surface of the outer convex part through the oil guide groove II and is in contact lubrication with the inner wall of the retainer, the abrasion of the retainer, the star-shaped sleeve body and the steel balls due to contact is reduced, the noise can be effectively reduced, and the service life of the whole ball cage is prolonged.

Drawings

FIG. 1 is a perspective view of the present invention;

fig. 2 is a bottom view of the present invention.

In the figure: 11. a shaft hole; 12. an end face; 121. a recess; 13. a ball ramp; 131. a first oil drainage groove; 14. an outer convex portion; 141. and a second oil drainage groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-2, the present invention provides a technical solution: the utility model provides a cold universal ball cage star cover of mound shaping, including the star cover body including shaft hole 11, terminal surface 12, ball slide 13 and outer convex part 14, set up oil groove one 131 on the ball slide 13 of star cover body, set up oil groove two 141 on the outer convex part 14 of star cover body, the both ends of oil groove one 131 and oil groove two 141 all extend to the terminal surface 12 of star cover body on, and form notch 121 in terminal surface 12 edge, carry out the drainage through notch 121 to the lubricating oil around star cover body terminal surface 12, it is lubricated with the steel ball contact in ball slide 13 with lubricating oil drainage through oil groove one 131, it is lubricated with the contact of holder inner wall contact to drain lubricating oil to outer convex part 14 surface through oil groove two 141.

As a technical optimization scheme of the utility model, the first oil guide groove 131 and the second oil guide groove 141 are strip-shaped grooves extending along the axial direction of the star-shaped sleeve body, and lubricating oil circulates and lubricates along the grooves of the strip-shaped grooves.

As a technical optimization scheme of the utility model, the first oil guide groove 131 and the second oil guide groove 141 are triangular grooves arranged along the wall surface, the triangular grooves are shallow grooves, the groove depth is 1-4mm, and the overall structural strength of the star-shaped sleeve body is not influenced.

As a technical optimization scheme of the utility model, included angles between groove surfaces of the first oil guide groove 131 and the second oil guide groove 141 and a connecting surface of the side wall of the star-shaped sleeve body are obtuse angles, so that lubricating oil can conveniently overflow to the outer side of the groove body for lubrication.

As a technical optimization scheme of the utility model, the oil guide groove II 141 is arched along the bending direction of the arc-shaped surface of the outer convex part 14, so that the groove depth is ensured to be uniform.

As a technical optimization scheme of the utility model, the oil drainage grooves I131 are uniformly distributed around the axial direction of the star-shaped sleeve body.

As a technical optimization scheme of the utility model, the oil drainage grooves II 141 are uniformly distributed around the axial direction of the star-shaped sleeve body.

As a technical optimization scheme of the utility model, at least one oil guide groove I131 is arranged on the ball slideway 13.

As a technical optimization scheme of the present invention, at least one oil guiding groove two 141 is arranged on the convex part 14.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cold universal ball cage star cover of mound shaping, includes the star cover body, the star cover body includes shaft hole (11), terminal surface (12), ball slide (13) and outer convex part (14), its characterized in that: set up oil guide groove one (131) on ball slide (13) of star shell body, set up oil guide groove two (141) on the evagination (14) of star shell body, the both ends of oil guide groove one (131) and oil guide groove two (141) all extend to on the terminal surface (12) of star shell body to form notch (121) in terminal surface (12) edge.

2. The cold heading universal ball cage spider as claimed in claim 1, wherein: and the first oil drainage groove (131) and the second oil drainage groove (141) are strip-shaped grooves extending along the axial direction of the star-shaped sleeve body.

3. The cold heading universal ball cage spider as claimed in claim 1, wherein: the first oil guide groove (131) and the second oil guide groove (141) are triangular grooves arranged along the wall surface.

4. The cold heading universal ball cage spider as claimed in claim 1, wherein: and included angles between the groove surfaces of the first oil guide groove (131) and the second oil guide groove (141) and the connecting surface of the side wall of the star-shaped sleeve body are obtuse angles.

5. The cold heading universal ball cage spider as claimed in claim 1, wherein: and the second oil guide groove (141) is arched along the bending direction of the arc-shaped surface of the outer convex part (14).

6. The cold heading universal ball cage spider as claimed in claim 1, wherein: the oil guide grooves I (131) are axially and uniformly distributed around the star-shaped sleeve body.

7. The cold heading universal ball cage spider as claimed in claim 1, wherein: and the oil guide grooves II (141) are uniformly distributed around the radial sleeve body in the axial direction.

8. The cold heading universal ball cage spider as claimed in claim 1, wherein: the ball slideway (13) is provided with at least one oil guide groove I (131).

9. The cold heading universal ball cage spider as claimed in claim 1, wherein: and at least one oil guide groove II (141) is arranged on the outer convex part (14).