CN217381294U

CN217381294U - Easily install bearing

Info

Publication number: CN217381294U
Application number: CN202221085938.4U
Authority: CN
Inventors: 高晓频
Original assignee: Suzhou Lianli Precision Manufacturing Co ltd
Current assignee: Suzhou Lianli Precision Manufacturing Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-09-06
Anticipated expiration: 2032-04-29

Abstract

The utility model relates to an easily-installed needle bearing, which comprises a bearing outer ring, wherein a bearing inner ring is arranged in an inner cavity of the bearing outer ring, a retainer is arranged between the bearing outer ring and the bearing inner ring, needle bodies are uniformly and rotatably arranged in the retainer, mounting grooves are uniformly formed in the inner wall of the retainer, two ends of each needle body are respectively arranged between the mounting grooves through mounting shafts, an opening is formed in the top of the retainer, the openings are fixedly connected through springs, grooves are formed in two sides of each spring, a conical block is arranged in each groove, an oil filling hole is formed in the retainer, the diameter of the retainer can be changed when the retainer is installed, the retainer provided with the needle bodies is conveniently placed into the bearing ring, and then the conical block is pushed into the groove, so that the retainer recovers the original diameter and is in close contact with the bearing ring, the installation is more convenient, and the needle bodies cannot be damaged, meanwhile, the rolling needle body can be lubricated, and the service life of the rolling needle body is prolonged.

Description

Easily install bearing

Technical Field

The utility model relates to an easily install bearing belongs to bearing technical field.

Background

The bearing is an important part in the modern mechanical equipment, the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the movement process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body, the needle bearing is a roller bearing with a cylindrical roller, and the roller is thin and long relative to the diameter of the roller bearing, and the roller is called as a needle roller; in the installation process of the existing needle bearing, because the wall of an outer ring is very thin, the needle bearing cannot be installed by knocking with a hammer, a press machine is used for pressing in needle rollers, the installation process is troublesome, the distance between the needle rollers is fixed, the needle rollers cannot be adjusted according to the use requirement, and the increasing use requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an easily install bearing, when the installation, can change the diameter of holder, the convenient holder that will be equipped with the bearing circle is put into, pushes the toper piece in to the recess again to let the holder resume original diameter, with bearing circle in close contact with, it is more convenient to install, can not cause the damage to the bearing circle yet, also can lubricate the bearing circle simultaneously, increase its life, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the roller bearing easy to install comprises a bearing outer ring, a bearing inner ring is arranged in an inner cavity of the bearing outer ring, a retainer is arranged between the bearing outer ring and the bearing inner ring, a roller body is uniformly arranged in the retainer in a rotating mode, a mounting groove is uniformly formed in the inner wall of the retainer, the two ends of the roller body are mounted between the mounting grooves through mounting shafts, an opening is formed in the top of the retainer and fixedly connected with the opening through a spring, grooves are formed in the two sides of the spring, a conical block is arranged in the inner cavity of the groove, and an oil filling hole is formed in the retainer.

Further, the retainer comprises a fixing ring and a connecting rod, the connecting rod is fixedly arranged between the fixing rings, and a shaft hole is formed between the adjacent connecting rods.

Furthermore, the roller pin bodies are arranged in the shaft holes, the diameter of each roller pin body is larger than the width of the corresponding retainer, arc-shaped sliding grooves are formed in the inner surface of the bearing outer ring and the outer surface of the bearing inner ring, and the roller pin bodies are in contact with the arc-shaped sliding grooves.

Further, the mounting groove all sets up in shaft hole both ends, the oil filler point sets up on solid fixed ring, and is equipped with the sealing plug in the oil filler point, oil filler point and mounting groove through connection.

Further, all fix on the solid fixed ring and be equipped with the fixed plate, the fixed plate opposite face is all fixed and is equipped with the fixed block, spring both ends and fixed block fixed connection.

Furthermore, one side of the inner cavity of the bearing inner ring is arranged in a plane, a positioning groove is formed in the plane, and a positioning block is arranged in the inner cavity of the positioning groove.

The utility model has the advantages that:

1. the needle roller body can be directly placed into the retainer through the arrangement of the installation groove without positioning, and when the bearing rotates, lubricating oil can directly flow into the installation groove through the oil injection hole in the retainer, so that the lubricating oil is fully contacted with the needle roller body, the lubrication of the interior of the bearing is ensured, and the service life of the bearing is prolonged;

2. through setting up the toper piece, when the installation, the toper piece breaks away from in the recess, lets the opening reduce the distance under the effect of spring to change the diameter of holder, in the bearing inner race was put into to the holder that will be equipped with the kingpin body to the convenience, push the toper piece in to the recess again, thereby let the holder resume original diameter, with bearing inner race in close contact with, it is more convenient to install, also can not cause the damage to the kingpin body.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a schematic diagram of the detachable integral structure of the needle roller bearing easy to mount according to the present invention;

fig. 2 is a schematic cross-sectional view of an easy-to-mount needle bearing of the present invention;

fig. 3 is a schematic view of a retainer for easily mounting a needle bearing according to the present invention;

fig. 4 is a schematic structural view of an opening of the retainer for easily mounting the needle roller bearing of the present invention;

reference numbers in the figures: 1. an outer race of the bearing; 2. a bearing inner race; 3. a cage; 4. a needle roller body; 5. mounting grooves; 6. installing a shaft; 7. an opening; 8. a spring; 9. a groove; 10. a conical block; 11. an oil filler hole; 12. a fixing ring; 13. a connecting rod; 14. a shaft hole; 15. an arc-shaped chute; 16. a fixing plate; 17. a fixed block; 18. positioning a groove; 19. and (5) positioning the blocks.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-4, the present invention provides a technical solution; the utility model provides an easily install bearing, includes bearing

inner race

1, 1 inner chamber of bearing inner race is equipped with bearing inner race 2, be equipped with holder 3 between 1 bearing inner race and the bearing inner race 2, it is equipped with bearing body 4 to evenly rotate in the holder 3, mounting groove 5 has evenly been seted up to 3 inner walls of holder, 4 both ends of bearing body are all installed between mounting groove 5 through

installation axle

6, 3 tops of holder are equipped with opening 7, and pass through 8 fixed connection of spring between the opening 7, recess 9 is seted up to 8 both sides of spring, the recess 9 inner chamber is equipped with conical block 10, oil filler point 11 has been seted up on the holder 3.

Specifically, as shown in fig. 3, the retainer 3 is composed of fixing rings 12 and connecting rods 13, the connecting rods 13 are fixedly arranged between the fixing rings 12, and shaft holes 14 are formed between adjacent connecting rods 13, so that the overall strength of the retainer 3 is increased, and the bearing is prevented from being damaged when being subjected to a large pressure.

Specifically, as shown in fig. 2, the needle roller bodies 4 are all disposed in the shaft hole 14, the diameter of the needle roller bodies 4 is greater than the width of the holder 3, the arc-shaped chutes 15 are formed in the inner surface of the bearing outer ring 1 and the outer surface of the bearing inner ring 2, and the needle roller bodies 4 are in contact with the arc-shaped chutes 15, so that the bearing can be more stable when rotating, and the needle roller bodies 4 are prevented from deviating, one side of the inner cavity of the bearing inner ring 2 is disposed in a plane, and a positioning groove 18 is formed in the plane, and a positioning block 19 is disposed in the inner cavity of the positioning groove 18, so that the needle roller bearings can be better mounted on the rotating shaft.

Specifically, as shown in fig. 4, mounting groove 5 all sets up in 14 both ends in shaft hole, oil filler point 11 sets up on solid fixed ring 12, and is equipped with the sealing plug in the oil filler point 11, oil filler point 11 and mounting groove 5 through connection can let in the lubrication has direct flow to mounting groove 5, ensure the lubrication to kingpin body 4, make the bearing rotate more level and smooth, gu fixed ring 12 is last all fixed to be equipped with fixed plate 16, fixed block 17 is all fixed to fixed plate 16 opposite face, 8 both ends of spring and fixed block 17 fixed connection prevent that holder 3 from leading to opening 7 to misplace when receiving external force.

The utility model discloses theory of operation: directly put into cage 3 with bearing body 4 in, need not fix a position again, break away from in recess 9 with toper piece 10 during the installation, let opening 7 reduce the distance under spring 8's effect, thereby change the diameter of cage 3, conveniently put into bearing inner race 2 with cage 3 that is equipped with bearing body 4, push toper piece 10 in recess 9 again, thereby let cage 3 resume original diameter, with 1 in close contact with of bearing inner race, it is more convenient to install, also can not cause the damage to bearing body 4, when the bearing rotates, can directly let lubricating oil flow to mounting groove 5 in through oil filler point 11 on cage 3, thereby abundant and bearing body 4 contact, guarantee to the inside lubrication of bearing, increase its life.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. The utility model provides an easily install bearing, includes bearing inner race (1), its characterized in that: bearing inner race (1) inner chamber is equipped with bearing inner race (2), be equipped with holder (3) between bearing inner race (1) and bearing inner race (2), even rotation is equipped with kingpin body (4) in holder (3), mounting groove (5) have evenly been seted up to holder (3) inner wall, kingpin body (4) both ends are all installed between mounting groove (5) through installation axle (6), holder (3) top is equipped with opening (7), and passes through spring (8) fixed connection between opening (7), recess (9) are seted up to spring (8) both sides, recess (9) inner chamber is equipped with toper piece (10), oil filler point (11) have been seted up on holder (3).

2. An easily mountable needle bearing as set forth in claim 1, wherein: the retainer (3) is composed of a fixing ring (12) and a connecting rod (13), the connecting rod (13) is fixedly arranged between the fixing ring (12), and a shaft hole (14) is formed between the adjacent connecting rods (13).

3. An easily mountable needle bearing as defined in claim 2 wherein: the roller pin bodies (4) are arranged in the shaft holes (14), the diameter of each roller pin body (4) is larger than the width of the corresponding retainer (3), arc-shaped sliding grooves (15) are formed in the inner surface of the bearing outer ring (1) and the outer surface of the bearing inner ring (2), and the roller pin bodies (4) are in contact with the arc-shaped sliding grooves (15).

4. An easily mountable needle bearing as set forth in claim 3 wherein: mounting groove (5) all set up in shaft hole (14) both ends, oil filler point (11) set up on solid fixed ring (12), and are equipped with the sealing plug in oil filler point (11), oil filler point (11) and mounting groove (5) through connection.

5. An easily mountable needle bearing as set forth in claim 4 wherein: all fixed being equipped with fixed plate (16) on solid fixed ring (12), fixed plate (16) opposite face is all fixed and is equipped with fixed block (17), spring (8) both ends and fixed block (17) fixed connection.

6. An easily mountable needle bearing as set forth in claim 5 wherein: one side of the inner cavity of the bearing inner ring (2) is arranged in a plane, a positioning groove (18) is formed in the plane, and a positioning block (19) is arranged in the inner cavity of the positioning groove (18).