CN216241821U

CN216241821U - Automobile tension wheel bearing with anti-loosening mechanism

Info

Publication number: CN216241821U
Application number: CN202122787718.8U
Authority: CN
Inventors: 胡立波
Original assignee: Zhejiang Tongtai Bearing Co ltd
Current assignee: Zhejiang Tongtai Bearing Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-04-08
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses an automobile tension pulley bearing with a locking mechanism, which comprises a bearing inner ring and a bearing outer ring, wherein a plurality of balls are arranged between the bearing inner ring and the bearing outer ring, a groove is formed in the outer surface of the bearing outer ring in the circumferential direction, a plurality of mounting grooves are formed in the groove, a plurality of working grooves are formed in the inner wall of each mounting groove, a spring is arranged in each working groove, the other end of each spring is extruded with a clamping block, a mounting seat is arranged in each mounting groove, a clamping groove is formed in the side edge of each mounting seat, the end part of each clamping block penetrates through the corresponding mounting groove and is clamped in the corresponding clamping groove, a threaded hole is formed in the middle of each mounting seat, and a threaded rod is arranged on the outer surface of the bearing outer ring. Has the advantages that: when the bearing works, the tooth grooves on the belt pulley are meshed with the hobbing, the axial direction of the belt pulley is stopped by the grooves, and the circumferential direction of the belt pulley is stopped by the hobbing, so that the effects of effectively preventing loosening and slipping are achieved, and the working stability of the bearing is improved.

Description

Automobile tension wheel bearing with anti-loosening mechanism

Technical Field

The utility model relates to the technical field of bearings, in particular to an automobile tension wheel bearing with a locking mechanism.

Background

The bearing is an important part in the modern mechanical equipment. The main function of the device is to support the mechanical rotator, reduce the friction coefficient in the movement process and ensure the rotation precision of the mechanical rotator, and the rolling bearing is generally composed of an outer ring, an inner ring, a rolling body and a retainer. Rolling bearings are classified into ball bearings and roller bearings according to the shape of the rolling elements.

The belt pulleys are arranged on the bearing outer rings of the automobile tension wheel bearings, the bearings can generate high temperature when working at high speed, and the belt pulleys can expand when working for a long time, so that gaps are formed between the belt pulleys and the bearing outer rings. The outer surface of the bearing outer ring of the existing tension pulley bearing is generally a smooth surface, so that the looseness between the belt pulley and the bearing outer ring can be generated in the working process of the bearing, and the working stability of the bearing is reduced.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the related art, the utility model provides an automobile tension wheel bearing with a locking mechanism, which aims to overcome the technical problems in the prior related art.

Therefore, the utility model adopts the following specific technical scheme:

an automobile tension pulley bearing with a locking mechanism comprises a bearing inner ring and a bearing outer ring, wherein a plurality of balls are arranged between the bearing inner ring and the bearing outer ring, a groove is formed in the outer surface of the bearing outer ring in the circumferential direction, a plurality of mounting grooves are formed in the groove, a plurality of working grooves are formed in the inner wall of each mounting groove, springs are arranged in the working grooves, the other ends of the springs are extruded with clamping blocks, a mounting seat is arranged in each mounting groove, clamping grooves are formed in the side edges of the mounting seat, the end portions of the clamping blocks penetrate through the mounting grooves and are clamped in the clamping grooves, threaded holes are formed in the middle of the mounting seat, threaded rods are arranged on the outer surface of the bearing outer ring and penetrate through the threaded holes, a plurality of hobbing teeth penetrating through the grooves are formed in the top of the mounting seat, and a belt pulley is arranged in each groove, and tooth grooves matched with the hobbing are formed in the inner wall of the belt pulley.

Preferably, the spring is a compression spring, and spring washers are arranged at two ends of the spring.

Preferably, the clamping block is of a T-shaped structure, one end, far away from the spring, of the clamping block is of an arc-shaped structure, and the clamping groove is of an arc-shaped groove.

Preferably, the outer surface of the bearing outer ring is provided with a through hole which is connected and communicated with the mounting groove, and the through hole and the threaded hole are located on the same axis.

Preferably, the threaded rod penetrates through the threaded hole through the through hole, and a connecting groove is formed in the center of the end of the threaded rod.

The utility model has the beneficial effects that: when the bearing works, the tooth grooves on the belt pulley are meshed with the hobbing, the axial direction of the belt pulley is stopped by the grooves, and the circumferential direction of the belt pulley is stopped by the hobbing, so that the functions of effectively preventing loosening and slipping are achieved, and the working stability of the bearing is improved; through the design of spring and fixture block to tentatively fix the mount pad, thereby make things convenient for threaded rod and screw hole interact to fix the mount pad in the draw-in groove.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a general structural schematic diagram of an automobile tension wheel bearing with a locking mechanism according to an embodiment of the utility model;

fig. 2 is a schematic structural diagram of a bearing outer ring of an automobile tension wheel bearing with a locking mechanism according to an embodiment of the utility model;

fig. 3 is an enlarged schematic view of a point a of an automobile tension wheel bearing with a locking mechanism according to an embodiment of the utility model;

FIG. 4 is a schematic view of a connecting structure of a hobbing and a mounting seat of an automobile tension pulley bearing with a locking mechanism according to an embodiment of the utility model;

fig. 5 is a schematic structural view of a threaded rod of an automobile tension wheel bearing with a locking mechanism according to an embodiment of the utility model.

In the figure:

1. a bearing inner race; 2. a bearing outer race; 3. a groove; 4. hobbing; 5. a mounting seat; 6. a card slot; 7. mounting grooves; 8. a working groove; 9. a spring; 10. a clamping block; 11. a threaded hole; 12. a threaded rod; 13. a belt pulley; 14. and connecting the grooves.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the utility model, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to an embodiment of the utility model, an automobile tension wheel bearing with a locking mechanism is provided.

In a first embodiment, as shown in fig. 1 to 5, an automobile tension pulley bearing with a locking mechanism according to an embodiment of the present invention includes a bearing inner ring 1 and a bearing outer ring 2, a plurality of balls are disposed between the bearing inner ring 1 and the bearing outer ring 2, a groove 3 is formed in an outer surface of the bearing outer ring 2 in a circumferential direction, a plurality of mounting grooves 7 are disposed in the groove 3, a plurality of working grooves 8 are disposed on inner walls of the mounting grooves 7, springs 9 are disposed inside the working grooves 8, the other ends of the springs 9 are pressed together with fixture blocks 10, a mounting seat 5 is disposed in the mounting groove 7, a clamping groove 6 is disposed on a side edge of the mounting seat 5, an end of the fixture block 10 penetrates through the mounting groove 7 and is clamped in the clamping groove 6, a threaded hole 11 is disposed in a middle portion of the mounting seat 5, a threaded rod 12 is disposed on an outer surface of the bearing outer ring 2, and the threaded rod 12 penetrates through the threaded hole 11, the top of mount pad 5 is equipped with a plurality of and runs through to gear hobbing 4 in the recess 3, be equipped with belt pulley 13 in the recess 3, be equipped with on the belt pulley 13 inner wall with gear hobbing 4 matched with tooth's socket.

In the second embodiment, the spring 9 is a compression spring, spring washers are disposed at two ends of the spring 9, the fixture block 10 is of a T-shaped structure, one end of the fixture block 10, which is far away from the spring 9, is of an arc-shaped structure, and the clamping groove 6 is of an arc-shaped groove. It is clear from the above-mentioned design that the service life of the spring 9 is increased by the design of the spring washer.

In the third embodiment, the outer surface of the bearing outer ring 2 is provided with a through hole which is connected with the mounting groove 7 in a penetrating manner, the through hole and the threaded hole 11 are located on the same axis, the threaded rod 12 penetrates through the threaded hole 11 through the through hole, and the center of the end part of the threaded rod 12 is provided with a connecting groove 14. It can be seen from the above design that the threaded rod 12 is easily rotated by the worker due to the design of the coupling groove 14.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

In summary, according to the above technical solution of the present invention, when the bearing works, the tooth grooves on the pulley 13 are engaged with the hobbing 4, the pulley 13 is stopped by the groove 3 in the axial direction and stopped by the hobbing 4 in the circumferential direction, so as to effectively prevent loosening and slipping, and improve the working stability of the bearing.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The automobile tension pulley bearing with the anti-loosening mechanism is characterized by comprising a bearing inner ring (1) and a bearing outer ring (2), wherein a plurality of balls are arranged between the bearing inner ring (1) and the bearing outer ring (2), a groove (3) is formed in the outer surface of the bearing outer ring (2) in the circumferential direction, a plurality of mounting grooves (7) are formed in the groove (3), a plurality of working grooves (8) are formed in the inner wall of each mounting groove (7), a spring (9) is arranged inside each working groove (8), the other end of each spring (9) is extruded with a clamping block (10), a mounting seat (5) is arranged in each mounting groove (7), a clamping groove (6) is formed in the side edge of each mounting seat (5), the end part of each clamping block (10) penetrates through the corresponding mounting groove (7) and is clamped in the clamping groove (6), and a threaded hole (11) is formed in the middle of each mounting seat (5), bearing inner race (2) surface is equipped with threaded rod (12), threaded rod (12) run through extremely in screw hole (11), the top of mount pad (5) is equipped with a plurality of and runs through extremely hobbing (4) in recess (3), be equipped with belt pulley (13) in recess (3), be equipped with on belt pulley (13) inner wall with hobbing (4) matched with tooth's socket.

2. The automobile tension wheel bearing with the anti-loosening mechanism is characterized in that the spring (9) is a compression spring, and spring washers are arranged at two ends of the spring (9).

3. The automobile tension pulley bearing with the anti-loosening mechanism according to claim 2, wherein the fixture block (10) is of a T-shaped structure, one end of the fixture block (10) far away from the spring (9) is of an arc-shaped structure, and the clamping groove (6) is of an arc-shaped groove.

4. The automobile tension pulley bearing with the anti-loosening mechanism is characterized in that a through hole communicated with the mounting groove (7) is formed in the outer surface of the bearing outer ring (2), and the through hole and the threaded hole (11) are located on the same axis.

5. The automobile tension pulley bearing with the anti-loosening mechanism is characterized in that the threaded rod (12) penetrates through the threaded hole (11) through the through hole, and the center of the end part of the threaded rod (12) is provided with a connecting groove (14).