CN215567431U

CN215567431U - Ball cage retainer

Info

Publication number: CN215567431U
Application number: CN202122130388.5U
Authority: CN
Inventors: 卢海清; 朱国秉
Original assignee: Shanghai Jiaheng Heat Treatment Co ltd
Current assignee: Shanghai Jiaheng Heat Treatment Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-01-18
Anticipated expiration: 2031-09-03

Abstract

The application relates to a ball cage retainer, which comprises a body, wherein a plurality of steel ball holes are uniformly formed in the circumferential direction of the body, a first ring groove is coaxially formed in the outer wall of the end part of the body, and the first ring groove is positioned on one side of the steel ball holes; towards the direction of keeping away from first annular diapire, the cell wall that first annular is close to the steel ball hole sets up to the direction slope in steel ball hole, the cell wall of the first annular that the slope set up is the water conservancy diversion wall, be provided with the protruding grain that a plurality of rows of intervals set up on the water conservancy diversion wall, with one row the array direction of protruding grain is arranged around the circumference of body, with one row protruding grain is just to clearance department between two protruding grains of the protruding grain of adjacent row. Through set up protruding grain and water conservancy diversion hole on leading the wall, make the lubricating grease even and right amount lubricate the body outer wall, make lubricated effect better to lubricating grease is practiced thrift. The first ring groove, the second ring groove and the oil conveying ring groove are communicated, so that the lubricating ester is reasonably distributed and used.

Description

Ball cage retainer

Technical Field

The application relates to the field of ball cage accessories, in particular to a ball cage retainer.

Background

The ball cage is also called as a constant velocity universal joint, which is an important part in a car transmission system and has the function of transmitting the power of an engine from a transmission to a driving wheel to drive a car to run at high speed, and the constant velocity universal joints used for the car are various in types, wherein the ball cage type constant velocity universal joint and the tripod type constant velocity universal joint are most applied.

The traditional ball cage consists of an outer wheel, an inner wheel, a plurality of steel balls and a retainer. The retainer is arranged between the inner wheel and the outer wheel, and the retainer is provided with steel ball holes. The inner cylindrical surface of the outer wheel and the outer spherical surface of the inner wheel are provided with the same number of straight grooves of the steel ball raceways. The steel balls are arranged in the straight grooves of the raceways of the outer wheel and the inner wheel, and are also in the steel ball holes of the holder.

In the steering process of the vehicle, the retainer is close to the inner wall of the outer wheel, and the outer wall of the retainer is easy to rub against the inner wall of the outer wheel.

The patent with the publication number of CN209115555U discloses a ball cage holder, and it includes the body, and a plurality of steel ball holes have been seted up to the body, and the steel ball hole is along body circumference evenly distributed, still has seted up the first annular coaxial with the body on the body lateral wall, and the steel ball hole is seted up with the communicating first guiding gutter of first annular, and the inside wall that first annular is close to the steel ball hole sets up towards the steel ball hole slope.

In the above-described configuration, the inventors believe that the first ring groove is provided in a manner inclined toward the steel ball hole near the inner side wall of the steel ball hole, and the lubricating grease can be easily guided toward the outer wall of the cage retainer, but in actual use, a large amount of lubricating grease is guided to the outer wall of the cage retainer, so that an excessive amount of lubricating grease is present on the outer wall of the cage retainer, and the lubricating grease is likely to drip, which results in waste.

SUMMERY OF THE UTILITY MODEL

In order to improve the waste that reduces lubricating ester, the application provides a ball cage holder.

The application provides a ball cage holder adopts following technical scheme:

a ball cage retainer comprises a body, wherein a plurality of steel ball holes are uniformly formed in the circumferential direction of the body, a first ring groove is coaxially formed in the outer wall of the end of the body, and the first ring groove is located on one side of the steel ball holes; towards the direction of keeping away from first annular diapire, the cell wall that first annular is close to the steel ball hole sets up to the direction slope in steel ball hole, the cell wall of the first annular that the slope set up is the water conservancy diversion wall, be provided with the protruding grain that a plurality of rows of intervals set up on the water conservancy diversion wall, with one row the array direction of protruding grain is arranged around the circumference of body, with one row protruding grain is just to clearance department between two protruding grains of the protruding grain of adjacent row.

Through adopting above-mentioned technical scheme, first annular sets up on the outer wall of ball cage holder, makes in the convenient joining of lubricating ester is to first annular. The flow guide wall is obliquely arranged, so that the lubricating ester can conveniently flow to the outer wall of the ball cage retainer, the convex particles are arranged, the convex particles in the same row are opposite to the gap between the two convex particles of the convex particles in the adjacent row, the lubricating ester flows along the gap between the convex particles, and the flow route of the lubricating ester avoids the bending of the convex particles, so that the flow distance of the lubricating ester is increased, the time for the lubricating ester to flow to the outer wall of the body is prolonged, and the lubricating ester is prevented from flowing to the outer wall of the body in a large amount, and the unnecessary waste of the lubricating ester is caused; the convex particles also have a good shunting effect, so that the lubricating grease can flow to the outer wall of the main body conveniently and uniformly, the phenomenon of dripping caused by large amount of local lubricating grease is not easy to occur, and the lubricating grease is not easy to waste.

Optionally, the convex particles are hemispheroids.

By adopting the technical scheme, the connecting joint of the hemispheroid and the flow guide wall is circular, so that the lubricating grease can conveniently flow along the connecting joint, and the lubricating grease is not easily intercepted on the flow guide wall by the convex particles.

Optionally, the diameter of the convex particles is larger than the distance between two adjacent convex particles of the adjacent rows of convex particles.

By adopting the technical scheme, when the lubricating ester flows between the convex particles, the flow route is bound to form an arc line, so that the flow distance is longer, the time length of the lubricating ester flowing to the outer wall of the body is prolonged, and the lubricating ester is prevented from flowing to the outer wall of the body in a large amount.

Optionally, a plurality of flow guide holes are formed in the flow guide wall, and the flow guide holes extend to the outer wall of the body.

Through adopting above-mentioned technical scheme, the water conservancy diversion hole makes the body outer wall of the department far away from first annular conveniently contact lubricating ester with first annular interior lubricating ester water conservancy diversion to body outer wall to make lubricated effect better, reduce body wearing and tearing, prolong the practical life of ball cage.

Optionally, the connection between the hole wall of the diversion hole close to one side of the inner wall of the body and the outer wall of the body is in arc surface connection.

By adopting the technical scheme, the connection part of the hole wall of the flow guide hole and the outer wall of the body is in arc surface connection, so that the lubricating ester is smoothly transited from the hole wall of the flow guide hole to the outer wall of the body, and the lubricating ester in the flow guide hole more conveniently flows to the outer wall of the body through the arc surface.

Optionally, a second annular groove is coaxially formed in the inner wall of the body, the bottom of the second annular groove is opposite to that of the first annular groove, and the bottom of the first annular groove and the bottom of the second annular groove are communicated through a connecting hole.

By adopting the technical scheme, the second ring groove is convenient to store the lubricating ester for lubricating the inner wall of the body, and the connecting holes enable the lubricating ester in the second ring groove and the lubricating ester in the first ring groove to be convenient to circulate mutually, so that the reasonable distribution and application of the lubricating ester can be realized.

Optionally, an oil delivery hole is formed in the side wall of the second annular groove, which is close to one side of the steel ball hole, and the oil delivery hole extends to the inner wall of the steel ball hole.

By adopting the technical scheme, the oil delivery hole is communicated with the second ring groove and the steel ball hole, so that lubricating grease can conveniently enter the steel ball hole, the steel ball and the ball cage retainer can obtain good lubricating property, the abrasion is reduced, and the service life of the ball cage is prolonged.

Optionally, an oil conveying ring groove is formed in the circumferential direction of the inner wall of the steel ball hole, and the oil conveying hole extends to the bottom wall of the oil conveying ring groove.

By adopting the technical scheme, the oil conveying ring groove can store part of lubricating grease, so that after the lubricating grease between the steel ball and the inner wall of the steel ball hole is reduced, the lubricating grease in the oil conveying ring groove can be conveniently and immediately supplemented, and the lubricating effect is kept better.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the convex particles are arranged on the flow guide wall, so that the flowing distance of the lubricating ester is longer, and the convex particles also have a better shunting effect, so that the outer wall of the body keeps a better lubricating effect, and the lubricating ester is not easy to waste.

2. The convex particles are arranged to be hemispheroids, so that the lubricating ester can conveniently flow along the connecting seam of the hemispheroids and the flow guide wall.

3. Through setting up the water conservancy diversion hole, make the body outer wall of the department that is far away from first annular conveniently contact lubricating ester, make body outer wall department lubricated easily.

Drawings

Fig. 1 is an overall schematic view of a ball cage retainer according to an embodiment of the present application.

Description of reference numerals: 1. a body; 2. a steel ball hole; 3. a first ring groove; 4. a flow guide wall; 5. convex particles; 6. a flow guide hole; 7. a second ring groove; 8. connecting holes; 9. an oil transfer hole; 10. an oil delivery ring groove.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

The embodiment of the application discloses a ball cage retainer. Referring to fig. 1, the ball cage retainer comprises an annular body 1, and six steel ball holes 2 for accommodating steel balls are uniformly formed in the circumferential side wall of the body 1.

Referring to fig. 1, a first ring groove 3 for storing lubricating ester is coaxially formed in the outer wall of one end of a body 1, and the first ring groove 3 is located on one side, close to a ring opening of the body 1, of six steel ball holes 2. The cell wall that first annular 3 is close to steel ball hole 2 is water conservancy diversion wall 4, and water conservancy diversion wall 4 slope sets up, and towards the direction of keeping away from 3 tank bottoms of first annular, water conservancy diversion wall 4 extends towards the direction slope that is close to steel ball hole 2, and the junction of water conservancy diversion wall 4 and body 1 outer wall is provided with the fillet for 3 interior lubrication ester of first annular conveniently flow to body 1 outer wall through water conservancy diversion wall 4.

Referring to fig. 1, three rows of convex particles 5 are integrally formed on the flow guide wall 4, the three rows of convex particles 5 are arranged at intervals, the three rows of convex particles 5 are coaxially arranged, the convex particles 5 on the same row are arranged at intervals, and the arrangement direction of the convex particles 5 on the same row is arranged around the circumference of the body 1. The convex grains 5 in the same row are over against the gap between two adjacent convex grains 5 of the adjacent row of convex grains 5, the convex grains 5 are hemispheroids, and the diameter of each convex grain 5 is larger than the distance between two adjacent convex grains 5 of the adjacent row of convex grains 5. The convex particles 5 have the functions of prolonging the flow distance of the lubricating grease and shunting the lubricating grease, so that the lubricating grease is uniformly distributed on the flow guide wall 4, the lubricating effect is good, the local drop phenomenon of the lubricating grease is not easy to occur, and the lubricating grease is saved.

Referring to fig. 1, six diversion holes 6 are formed in the diversion wall 4, one end of each diversion hole 6 is communicated with the bottom wall of the first ring groove 3, the other end of each diversion hole extends to the outer wall of the body 1 in an inclined mode towards the direction close to the steel ball holes 2, and the diversion holes 6 are located between every two adjacent steel ball holes 2. The junction of the hole wall of water conservancy diversion hole 6 near one side of the bottom wall in body 1 and the outer wall of body 1 is the cambered surface, makes the convenient flow of lubricating grease from water conservancy diversion hole 6 to the outer wall of body 1 to realize the lubrication of lubricating grease to the outer wall.

Referring to fig. 1, a second annular groove 7 is coaxially arranged on the inner wall of the body 1 provided with the first annular groove 3, the bottom wall of the second annular groove 7 is over against the bottom wall of the first annular groove 3, a plurality of connecting holes 8 are uniformly formed in the bottom wall of the first annular groove 3, and the connecting holes 8 extend to the bottom wall of the first annular groove 3.

Referring to fig. 1, an oil conveying ring groove 10 for storing lubricating ester is circumferentially formed in the inner wall of the steel ball hole 2, six oil conveying holes 9 are formed in the side wall, close to the steel ball hole 2, of the second ring groove 7, the other end of each oil conveying hole 9 is connected with the bottom wall of the corresponding oil conveying ring groove 10, the six oil conveying holes 9 correspond to the six steel ball holes 2 one by one, and the lubricating ester in the second ring groove 7 flows into the oil conveying ring groove 10 through the oil conveying holes 9.

In conclusion, the convex particles 5 and the flow guide holes 6 are arranged on the flow guide wall 4, so that the lubricating grease is uniform and can lubricate the outer wall of the body 1 in a proper amount, the lubricating effect is good, and the lubricating grease is saved. Through communicating first annular groove 3, second annular groove 7, oil delivery annular groove 10, make lubricating grease rational distribution use, be difficult for appearing local lubricating grease excessive and drip and local lubricating grease too little and lubricated poor effect's problem.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A ball cage retainer comprises a body (1), wherein a plurality of steel ball holes (2) are uniformly formed in the circumferential direction of the body (1), a first ring groove (3) is coaxially formed in the outer wall of the end portion of the body (1), and the first ring groove (3) is located on one side of the steel ball holes (2); towards the direction of keeping away from first annular (3) diapire, first annular (3) are close to the cell wall of steel ball hole (2) and set up to the direction slope of steel ball hole (2), the cell wall of the first annular (3) that the slope set up is water conservancy diversion wall (4), its characterized in that: the novel water-saving device is characterized in that a plurality of rows of convex particles (5) are arranged on the flow guide wall (4) at intervals, the arrangement directions of the convex particles (5) in the same row are arranged around the circumferential direction of the body (1), and the convex particles (5) in the same row are just opposite to the gaps between the two convex particles (5) of the convex particles (5) in the adjacent row.

2. A ball cage according to claim 1, wherein: the convex particles (5) are hemispheroids.

3. A ball cage according to claim 2, wherein: the diameter of the convex particles (5) is larger than the distance between two adjacent convex particles (5) of the adjacent rows of convex particles (5).

4. A ball cage according to claim 3, wherein: a plurality of flow guide holes (6) are formed in the flow guide wall (4), and the flow guide holes (6) extend to the outer wall of the body (1).

5. A ball cage according to claim 4, wherein: the connection part of the hole wall of the flow guide hole (6) close to one side of the inner wall of the body (1) and the outer wall of the body (1) is in arc surface connection.

6. A ball cage according to claim 1, wherein: the coaxial second annular (7) of having seted up of body (1) inner wall, second annular (7) tank bottom is relative with the tank bottom of first annular (3), the tank bottom of first annular (3) and the tank bottom of second annular (7) are through setting up connecting hole (8) intercommunication.

7. A ball cage according to claim 6, wherein: an oil conveying hole (9) is formed in the side wall, close to one side of the steel ball hole (2), of the second ring groove (7), and the oil conveying hole (9) extends to the inner wall of the steel ball hole (2).

8. A ball cage according to claim 7, wherein: an oil conveying ring groove (10) is formed in the circumferential direction of the inner wall of the steel ball hole (2), and the oil conveying hole (9) extends to the bottom wall of the oil conveying ring groove (10).