CN214331265U

CN214331265U - Reinforced clutch bearing

Info

Publication number: CN214331265U
Application number: CN202022885323.7U
Authority: CN
Inventors: 王健; 龚先
Original assignee: ZHEJIANG UNIFAR AUTOMOBILE BEARINGS CO Ltd
Current assignee: ZHEJIANG UNIFAR AUTOMOBILE BEARINGS CO Ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-10-01
Anticipated expiration: 2030-12-03

Abstract

A reinforced clutch bearing comprises a shaft sleeve and a deep groove ball bearing, wherein an annular plug-in sleeve is formed at the lower end of the shaft sleeve, and an inner ring of the deep groove ball bearing is plugged in the plug-in sleeve and pressed against the outer wall of the plug-in sleeve; the shaft sleeve is characterized in that rectangular convex shoulders are formed on two opposite side walls of the upper end of the shaft sleeve, concave platforms penetrating through the outer side walls of the convex shoulders are formed on the upper end faces of the convex shoulders, inserting holes penetrating through the lower end faces of the convex shoulders are formed in the bottom faces of the concave platforms, steel cushion blocks abut against the bottom faces of the concave platforms, inserting shafts are formed on the lower end faces of the steel cushion blocks and are inserted into the inserting holes in an inserting mode. A steel pad structure is additionally arranged on a convex shoulder of an original cast iron type shaft sleeve, and the steel pad is abutted against a separation fork, so that the strength of the clutch bearing is enhanced, and the service life of the clutch bearing is prolonged.

Description

Reinforced clutch bearing

The technical field is as follows:

the utility model relates to a technical field of bearing, more specifically say and relate to a clutch bearing of reinforcement type.

Background art:

the clutch bearing is installed between the clutch and the speed changer, the separating bearing seat is loosely sleeved on the tubular extension part of the first shaft bearing cover of the speed changer, the convex shoulder of the separating bearing always supports against the separating fork through the return spring and retreats to the final position, and a gap of about 3-4 mm is kept between the convex shoulder and the end part (separating finger) of the separating lever. The existing clutch bearing consists of a shaft sleeve and a bearing, wherein a convex shoulder is formed on the shaft sleeve, the shaft sleeve and the convex shoulder are formed by casting and are generally made of nodular cast iron, and the clutch bearing with the cast iron structure has one defect that: because the ductile iron is soft in texture, the separating fork is pressed on the convex shoulder, the convex shoulder is easily depressed by the pressing part in the long-term use process, the shaft sleeve is damaged, the matching size is changed, and the use of the clutch bearing is influenced.

The utility model has the following contents:

the utility model aims at providing a to prior art not enough, and provide a clutch bearing of reinforcement type, it adds the steel pad structure, strengthens clutch bearing's intensity, improves clutch bearing's life.

A reinforced clutch bearing comprises a shaft sleeve and a deep groove ball bearing, wherein an annular plug-in sleeve is formed at the lower end of the shaft sleeve, and an inner ring of the deep groove ball bearing is plugged in the plug-in sleeve and pressed against the outer wall of the plug-in sleeve; the shaft sleeve is characterized in that rectangular convex shoulders are formed on two opposite side walls of the upper end of the shaft sleeve, concave platforms penetrating through the outer side walls of the convex shoulders are formed on the upper end faces of the convex shoulders, inserting holes penetrating through the lower end faces of the convex shoulders are formed in the bottom faces of the concave platforms, steel cushion blocks abut against the bottom faces of the concave platforms, inserting shafts are formed on the lower end faces of the steel cushion blocks and are inserted into the inserting holes in an inserting mode.

Preferably, the outer side wall of the steel cushion block is flush with the outer side wall of the convex shoulder on the shaft sleeve.

Preferably, an ear seat is formed on the outer wall of the shaft sleeve, which is close to the convex shoulder, and a hanging hole of the return spring is formed on the ear seat.

Preferably, the diameter of the outer wall of the lower end of the shaft sleeve is smaller than that of the outer wall of the deep groove ball bearing, and the deep groove ball bearing abuts against the lower end face of the shaft sleeve.

Preferably, a plurality of annular grooves are formed in the insertion shaft of the steel cushion block, rubber rings are inserted in the grooves, and the rubber rings are elastically pressed against the inner wall of the insertion hole in the convex shoulder.

Preferably, the thickness of the steel cushion block or the length of the steel cushion block inserting shaft is smaller than the distance from the bottom surface of the concave platform to the lower end surface of the convex shoulder.

The beneficial effects of the utility model reside in that:

a steel pad structure is additionally arranged on a convex shoulder of an original cast iron type shaft sleeve, and the steel pad is abutted against a separation fork, so that the strength of the clutch bearing is enhanced, and the service life of the clutch bearing is prolonged.

Description of the drawings:

fig. 1 is a schematic structural view of the present invention from the top;

fig. 2 is a schematic view of the structure of the present invention in partial section.

In the figure: 1. a shaft sleeve; 11. a plug bush; 12. a shoulder is formed; 13. a concave platform; 13. a jack; 15. An ear mount; 16. hanging holes; 2. a deep groove ball bearing; 3. and (5) a steel cushion block.

The specific implementation mode is as follows:

example (b): as shown in fig. 1 to 2, a reinforced clutch bearing comprises a shaft sleeve 1 and a deep groove ball bearing 2, wherein an annular insertion sleeve 11 is formed at the lower end of the shaft sleeve 1, and an inner ring of the deep groove ball bearing 2 is inserted in the insertion sleeve 11 and pressed against the outer wall of the insertion sleeve 11; the two opposite side walls of the upper end of the shaft sleeve 1 are formed with rectangular convex shoulders 12, the upper end face of each convex shoulder 12 is formed with a concave platform 13 penetrating through the outer side wall of each convex shoulder 12, the bottom face of each concave platform 13 is formed with a jack 14 penetrating through the lower end face of each convex shoulder 12, the bottom face of each concave platform 13 is abutted against the steel cushion block 3, and the lower end face of each steel cushion block 3 is formed with an insertion shaft which is inserted into the jack 14 in an inserting mode.

Preferably, the outer side wall of the steel pad 3 is flush with the outer side wall of the shoulder 12 on the shaft sleeve 1.

Preferably, an ear seat 15 is formed on the outer wall of the shaft sleeve 1 close to the shoulder 12, and a hanging hole 16 of the return spring is formed on the ear seat 15.

Preferably, the diameter of the outer wall of the lower end of the shaft sleeve 1 is smaller than that of the outer wall of the deep groove ball bearing 2, and the deep groove ball bearing 2 abuts against the lower end face of the shaft sleeve 1.

Preferably, a plurality of annular grooves are formed on the insertion shaft of the steel cushion block 3, rubber rings are inserted in the grooves, and the rubber rings are elastically pressed against the inner wall of the insertion hole 14 on the shoulder 12.

Preferably, the thickness of the steel pad 3 or the length of the inserted shaft of the steel pad 3 is smaller than the distance from the bottom surface of the concave platform 13 to the lower end surface of the convex shoulder 12.

The working principle is as follows: the utility model relates to a reinforced clutch bearing, its technical scheme is, add the steel cushion block, the steel cushion block 3 is established between convex shoulder 12 and the required separation fork of cooperation of axle sleeve 1, the up end of whole convex shoulder 12 supports the steel cushion block 3, reduces the pressure of the up end each point of convex shoulder 12, and then can not appear sunken on convex shoulder 12; and the hardness of the steel cushion block 3 is high, and the steel cushion block 3 is not easy to be sunken due to the separation fork.

The examples are intended to be illustrative, but not limiting, of the invention. The embodiments can be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the present invention should be determined by the appended claims.

Claims

1. A reinforced clutch bearing comprises a shaft sleeve (1) and a deep groove ball bearing (2), wherein an annular plug bush (11) is formed at the lower end of the shaft sleeve (1), and an inner ring of the deep groove ball bearing (2) is plugged on the plug bush (11) and pressed on the outer wall of the plug bush (11); the relative both sides wall shaping in axle sleeve (1) upper end has convex shoulder (12) of rectangle, and the shaping has concave station (13) that run through convex shoulder (12) lateral wall on the up end of convex shoulder (12), its characterized in that: the bottom surface of the concave platform (13) is provided with a jack (14) which penetrates through the lower end surface of the convex shoulder (12), the bottom surface of the concave platform (13) is abutted against the steel cushion block (3), the lower end surface of the steel cushion block (3) is provided with an insertion shaft, and the insertion shaft is inserted into the jack (14).

2. The reinforced clutch bearing according to claim 1, wherein: the outer side wall of the steel cushion block (3) is flush with the outer side wall of the convex shoulder (12) on the shaft sleeve (1).

3. A reinforced clutch bearing according to claim 2, wherein: an ear seat (15) is formed on the outer wall, close to the convex shoulder (12), of the shaft sleeve (1), and a hanging hole (16) of a return spring is formed in the ear seat (15).

4. The reinforced clutch bearing according to claim 1, wherein: the diameter of the outer wall of the lower end of the shaft sleeve (1) is smaller than that of the outer wall of the deep groove ball bearing (2), and the deep groove ball bearing (2) abuts against the lower end face of the shaft sleeve (1).

5. The reinforced clutch bearing according to claim 1, wherein: a plurality of annular grooves are formed in the insertion shaft of the steel cushion block (3), rubber rings are inserted in the grooves, and the rubber rings are elastically pressed against the inner wall of the insertion hole (14) in the convex shoulder (12).

6. The reinforced clutch bearing according to claim 1, wherein: the thickness of the steel cushion block (3) or the length of an inserted shaft of the steel cushion block (3) is smaller than the distance from the bottom surface of the concave platform (13) to the lower end surface of the convex shoulder (12).