CN213684947U

CN213684947U - Angular contact ball bearing

Info

Publication number: CN213684947U
Application number: CN202022331532.7U
Authority: CN
Inventors: 吴雅琍
Original assignee: Shanghai Renben Precision Machinery Co ltd; Shanghai C&U Group Co Ltd; C&U Co Ltd
Current assignee: Shanghai Renben Precision Machinery Co ltd; Shanghai C&U Group Co Ltd; C&U Co Ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-07-13
Anticipated expiration: 2030-10-19

Abstract

The utility model discloses an angular contact ball bearing, including outer lane, inner circle and a plurality of roller, including a plurality of spacing block, all set up the arc wall that supplies roller surface laminating on the spacing block both sides wall, wherein one arc wall on the spacing block and the arc wall combination on the adjacent spacing block are formed with the pocket hole that is used for the holding roller, cavity has seted up on the spacing block and has stored up the fat chamber, the oil groove has been seted up to the hoop on the arc wall inner wall, oil groove and storage fat chamber intercommunication set up, be provided with in the storage fat chamber and be used for blockking up the stifled plug member that goes out the oil groove when the bearing does not operate or dredge out the oil groove when the bearing operates. The utility model provides an among the prior art cage changeability, can't lubricate the roller and wholly do not assemble good problem.

Description

Angular contact ball bearing

Technical Field

The utility model relates to a bearing technical field specifically is an angular contact ball bearing.

Background

At present, the existing angular contact ball bearing generally comprises an inner ring, an outer ring, a plurality of steel balls and a retainer, wherein the steel balls and the retainer are arranged in the inner ring and the outer ring, the integral retainer is easy to deform and is not easy to assemble due to the limitation of installation and application, the service life of the bearing is often influenced due to poor operation and insufficient lubrication, and in the operation process of the bearing, the retainer deforms to cause the play of a roller in the bearing, so that the operation of the bearing is disabled.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an angular contact ball bearing for solve among the prior art keep the frame changeability, can't lubricate the roller and the whole problem of not assembling well.

In order to achieve the purpose, the utility model provides an angular contact ball bearing, including outer lane, inner circle and a plurality of roller, including a plurality of spacing block, all set up the arc wall that supplies roller surface laminating on the spacing block both sides wall, one of them arc wall on the spacing block and the arc wall combination on the adjacent spacing block are formed with the pocket hole that is used for the holding roller, cavity has been seted up on the spacing block and has been stored up the fat chamber, the oil groove has been seted up to the hoop on the arc wall inner wall, go out the oil groove and store up fat chamber intercommunication setting, be provided with in the storage fat chamber and be used for blockking up the stifled plug member that goes out the oil groove or dredge the oil groove when the bearing operates when the bearing does not operate.

The technical scheme is adopted, and the method has the advantages that: the two side walls of the isolating blocks are provided with arc grooves for the surface of the roller to be attached, the arc groove on one isolating block and the arc groove on the adjacent isolating block are combined to form a pocket for accommodating the roller, so that the roller can be clamped and limited by the two isolating blocks in the bearing, the roller shifting during the bearing operation is avoided, the bearing is different from the arrangement of a single retainer in the prior art, the roller is limited one by adopting a plurality of isolating blocks in the technology, the roller is convenient for an operator to disassemble and assemble, and compared with the retainer in the prior art, the isolating blocks of the technology can not deform during the bearing operation, the bearing operation failure caused by the roller shifting during the bearing operation is further avoided, and when the bearing operates, a blocking part in the grease storage cavity is dredged to form an oil groove, so that the grease in the grease storage cavity can flow to the surface of the roller through the oil groove, and the roller, the increase of the friction loss of the bearing caused by insufficient lubrication during the operation of the bearing is avoided, the arc-shaped groove can coat the redundant grease on the surface of the roller, and the condition that the grease is not uniformly distributed on the surface of the roller is avoided.

The utility model discloses further set up: store up the fat intracavity and be close to two draw oil groove positions and all be provided with the jam ring, the jam ring is plug spare promptly, the jam ring periphery wall is connected with storage fat chamber roof, jam ring internal perisporium and the conflict cooperation of storage fat chamber lateral wall, the jam ring is made by shape memory alloy material, the jam ring possesses first form under first temperature, the jam ring possesses the second form under the second temperature, the lateral wall that jam ring internal perisporium breaks away from storage fat chamber under first form forms stores up the intercommunication of fat chamber and draw oil groove, the jam ring is contradicted under second form its jam ring internal perisporium and is formed the jam between storage fat chamber and the draw oil groove and seal on storing up fat chamber lateral wall.

The technical scheme is adopted, and the method has the advantages that: the blocking ring is made of nickel-titanium shape memory alloy material, so that the blocking ring can deform at different temperatures, when the bearing starts to operate, the temperature in the bearing starts to rise and is gradually higher than 40 ℃, the temperature of the nickel-titanium memory alloy which deforms is more than 40 ℃, the temperature more than 40 ℃ is a first temperature, the blocking ring has a first shape at the first temperature, at the moment, the inner peripheral wall of the blocking ring starts to shrink and gradually separates from the interference with the side wall of the grease storage cavity, thereby realizing the communication between the grease storage cavity and the oil outlet groove, ensuring that the grease can normally flow to the surface of the bearing, so that the surface of the roller can be fully lubricated when the bearing operates, the problem that the roller is damaged due to the increase of friction torque when the roller rotates is avoided, the arrangement of the technology further prevents external impurities from entering the grease storage cavity through the grease outlet groove or preventing grease in the grease storage cavity from leaking out through the grease outlet groove when the bearing does not operate; and when the bearing stop motion, the inside temperature of bearing reduces gradually to forty degrees below, the temperature below 40 degrees is the second temperature, the jam ring possesses the second form under the second temperature, jam ring internal perisporium begins the inflation this moment, jam ring internal perisporium extends to the lateral wall direction in fat storage chamber gradually and finally conflicts and realize the closure to fat storage chamber on fat storage chamber lateral wall, the inside grease of fat storage chamber can not flow out through going out the oil groove this moment, ensure when the bearing does not operate, the inside grease of fat storage chamber can not leak out.

The utility model discloses further set up: the oil filler point has been seted up on the spacing block periphery wall, the oil filler point sets up with storing up the intracavity intercommunication of fat, be provided with two tight pieces that rise on the oil filler point inner wall, two the tight piece that rises is made by elastic material, two the tight piece butt of each other that rises and two tight pieces that rise all are the half cylinder, two the tight piece combination that rises is cylindric setting and its horizontal cross-section diameter size is unanimous with the oil filler point aperture size.

The technical scheme is adopted, and the method has the advantages that: when an operator needs to inject oil into the grease storage cavity, only the needle point of the needle tube with the grease stored outside is inserted into the grease injection hole, the tensioning block is pressed towards the inner wall direction of the grease injection hole by the needle point, the operator can push the piston of the needle tube to supplement the grease in the grease storage cavity, and after the needle point is pulled out, the two tensioning blocks are deformed to restore the initial shape and mutually pressed to seal the grease injection hole; the setting of above-mentioned technique makes things convenient for operating personnel to carry out the benefit oil to storing up the fat intracavity, and further ensures that the bearing can receive the lubrication of sufficient grease on the roller surface when the operation.

The utility model discloses further set up: and the inner wall of the oil outlet groove is provided with grease storage cotton for reducing the grease outflow in the grease storage cavity.

The technical scheme is adopted, and the method has the advantages that: the grease storage cotton is arranged to prevent a large amount of grease in the grease storage cavity from flowing out when the bearing operates, so that the phenomenon of grease throwing and grease leakage on the surface of the roller is caused, the grease storage cotton is arranged to effectively coat the grease on the surface of the roller, and the uniform distribution of the grease on the surface of the roller is ensured.

Drawings

FIG. 1 is a three-dimensional view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is a three-dimensional view of the spacer of the present invention;

FIG. 4 is a cross-sectional view of the present invention in an unused state;

fig. 5 is a sectional view of the utility model in use.

Detailed Description

The utility model provides a self-contained isolating block 4 lubricating bearing, which comprises an outer ring 1, an inner ring 2 and a plurality of rollers 3, and a plurality of isolating blocks 4, arc grooves 41 for the surface lamination of the rollers 3 are respectively arranged on two side walls 422 of the isolating block 4, wherein one arc groove 41 on the isolating block 4 and the arc groove 41 on the adjacent isolating block 4 are combined to form a pocket hole for accommodating the rollers 3, a grease storage cavity 42 is arranged on the isolating block 4 in a hollow way, an oil outlet groove 43 is annularly arranged on the inner wall of the arc groove 41, the oil outlet groove 43 is communicated with the grease storage cavity 42, a blocking piece for blocking the oil outlet groove 43 when the bearing is not operated or dredging the oil outlet groove 43 when the bearing is operated is arranged in the grease storage cavity 42, blocking rings 47 are arranged near the two oil outlet grooves 43 in the grease storage cavity 42, the blocking rings 47 are blocking pieces, the blocking rings 47 are the blocking pieces, the blocking rings are connected with the top wall 421 of the grease storage cavity 42, the inner peripheral wall of the blocking ring 47 is in interference fit with the side wall 422 of the grease storage cavity 42, the blocking ring 47 is made of shape memory alloy material, the blocking ring 47 has a first shape at a first temperature, the blocking ring 47 has a second shape at a second temperature, the inner peripheral wall of the blocking ring 47 is separated from the side wall 422 of the grease storage cavity 42 to form the communication between the grease storage cavity 42 and the grease outlet groove 43 in the first shape, the inner peripheral wall of the blocking ring 47 is in interference fit with the side wall 422 of the grease storage cavity 42 to form the blockage between the grease storage cavity 42 and the grease outlet groove 43, the oil filling hole 44 is formed in the peripheral wall of the isolating block 4, the oil filling hole 44 is communicated with the grease storage cavity 42, the two tensioning blocks 45 are arranged on the inner wall of the oil filling hole 44, the two tensioning blocks 45 are made of elastic material, the two tensioning blocks 45 are mutually abutted and the two tensioning blocks 45 are in a cylindrical semi-circle shape, two tight 45 combinations of rising are cylindricly setting and its horizontal cross section diameter size is unanimous with oil filler point 44 aperture size, be provided with on the oil groove 43 inner wall and be used for reducing the grease storage cotton 46 of the interior grease outflow of grease storage chamber 42.

When the bearing starts to operate, the temperature in the bearing starts to rise and is gradually higher than 40 ℃, the temperature of the nickel-titanium memory alloy which deforms is more than 40 ℃, the temperature more than 40 ℃ is a first temperature, the blocking ring 47 has a first shape at the first temperature, and the inner peripheral wall of the blocking ring 47 starts to shrink and gradually breaks away from the interference with the side wall 422 of the grease storage cavity 42 at the moment, so that the communication between the grease storage cavity 42 and the oil outlet groove 43 is realized; when the bearing stops running, the temperature in the bearing is gradually reduced to be lower than forty degrees, the temperature lower than 40 degrees is a second temperature, the blocking ring 47 has a second shape at the second temperature, at the moment, the inner peripheral wall of the blocking ring 47 begins to expand, the inner peripheral wall of the blocking ring 47 gradually extends towards the side wall 422 of the grease storage cavity 42 and finally abuts against the side wall 422 of the grease storage cavity 42 to realize the sealing of the grease storage cavity 42; when an operator needs to fill oil into the grease storage cavity 42, the needle point of the needle tube with grease stored outside is only required to be inserted into the grease injection hole 44, the tensioning blocks 45 are pressed against the needle point to be compressed towards the inner wall of the grease injection hole 44, the operator can push the piston of the needle tube to supplement the grease in the grease storage cavity 42, and after the needle point is pulled out, the two tensioning blocks 45 deform to restore the initial shape and mutually press against each other to seal the grease injection hole 44.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, but only by the principle of the present invention, and the present invention can be modified without departing from the spirit and scope of the present invention, and all of the modifications and improvements fall within the scope of the present invention.

Claims

1. An angular contact ball bearing, includes outer lane, inner circle and a plurality of roller, its characterized in that: including a plurality of spacing block, all set up the arc wall that supplies roller surface laminating on the spacing block both sides wall, one of them arc wall on the spacing block and the arc wall combination on the adjacent spacing block are formed with the pocket hole that is used for the holding roller, cavity has been seted up on the spacing block and has been stored up the fat chamber, oil outlet groove has been seted up to the hoop on the arc wall inner wall, oil outlet groove and storage fat chamber intercommunication set up, be provided with in the storage fat chamber and be used for blockking up oil outlet groove when the bearing does not operate or dredge the stifled plug member of oil outlet groove when the bearing operates.

2. An angular contact ball bearing according to claim 1, wherein: store up the fat intracavity and be close to two draw oil groove positions and all be provided with the jam ring, the jam ring is plug spare promptly, the jam ring periphery wall is connected with storage fat chamber roof, jam ring internal perisporium and the conflict cooperation of storage fat chamber lateral wall, the jam ring is made by shape memory alloy material, the jam ring possesses first form under first temperature, the jam ring possesses the second form under the second temperature, the lateral wall that jam ring internal perisporium breaks away from storage fat chamber under first form forms stores up the intercommunication of fat chamber and draw oil groove, the jam ring is contradicted under second form its jam ring internal perisporium and is formed the jam between storage fat chamber and the draw oil groove and seal on storing up fat chamber lateral wall.

3. An angular contact ball bearing according to claim 2, wherein: the oil filler point has been seted up on the spacing block periphery wall, the oil filler point sets up with storing up the intracavity intercommunication of fat, be provided with two tight pieces that rise on the oil filler point inner wall, two the tight piece that rises is made by elastic material, two the tight piece butt of each other that rises and two tight pieces that rise all are the half cylinder, two the tight piece combination that rises is cylindric setting and its horizontal cross-section diameter size is unanimous with the oil filler point aperture size.

4. An angular contact ball bearing according to claim 1, wherein: and the inner wall of the oil outlet groove is provided with grease storage cotton for reducing the grease outflow in the grease storage cavity.