CN214945834U

CN214945834U - Low-noise rolling bearing for automobile driving motor

Info

Publication number: CN214945834U
Application number: CN202121580003.9U
Authority: CN
Inventors: 赵连威; 赵金利; 么佳忠; 严义省; 杨祖明
Original assignee: Shandong Yina Bearing Technology Co ltd
Current assignee: Shandong Yina Bearing Technology Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2021-11-30
Anticipated expiration: 2031-07-13

Abstract

The utility model relates to a antifriction bearing technical field just discloses a low noise antifriction bearing for automobile drive motor, including the bearing, the bearing has the casing through connecting union coupling, the inside of casing is provided with the rolling disc, the bottom of rolling disc is provided with the tooth's socket, the casing is connected with the bevel gear through the pivot, bevel gear and tooth's socket meshing, the slot has been seted up to the one end that the bevel gear was kept away from in the pivot, the top of rolling disc is provided with the vortex strip, the inside swing joint of casing has the fixture block. This a low noise antifriction bearing for automobile drive motor through bearing, connecting pipe, casing, rolling disc, tooth's socket, pivot, bevel gear, slot, vortex strip and the fixture block between mutually supporting, has reached the effect of being convenient for change fast antifriction bearing on the automobile drive motor, has solved the bearing on the current automobile drive motor and has damaged the back, changes inconvenient problem.

Description

Low-noise rolling bearing for automobile driving motor

Technical Field

The utility model relates to a antifriction bearing technical field specifically is a low noise antifriction bearing for automobile driving motor.

Background

The bearing is an important part in mechanical equipment, and its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision, and the bearing can be generally divided into three categories of sliding bearing, joint bearing and rolling bearing, in which the rolling bearing is a precision mechanical element capable of changing the sliding friction between the running shaft and the shaft seat into rolling friction to reduce the friction loss, and it is generally composed of four portions of inner ring, outer ring, rolling body and retainer.

When the rolling bearing is used in the automobile driving motor, the rolling bearing can be heated rapidly when in operation because the rotating speed of the rotating shaft of the motor is extremely high, therefore, after the rolling bearing runs for a period of time, the rolling bearing may be sintered for various reasons, and at this time, the rolling bearing on the automobile driving motor needs to be replaced, but because the existing rolling bearing and the motor shaft are generally installed in an interference fit manner, therefore, the steps of replacing the bearing are complicated, and in the process of dismounting the bearing, tools are mostly required to extrude and knock the inner ring of the bearing so as to facilitate the dismounting or mounting of the auxiliary bearing, but in the process of knocking the bearing, the bearing is easy to be damaged, the rotating shaft of the motor is easy to deform, the normal use of the driving motor is influenced, therefore, it is necessary to develop a rolling bearing which is easy to assemble and disassemble so as to meet the requirement of users for easy replacement.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a low noise antifriction bearing for automobile driving motor possesses the advantage that is convenient for change antifriction bearing on the automobile driving motor fast, has solved the bearing on the current automobile driving motor and has damaged the back, changes inconvenient problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low noise antifriction bearing for automobile driving motor, includes the bearing, the bearing has the casing through connecting union coupling, the inside of casing is provided with the rolling disc, the bottom of rolling disc is provided with the tooth's socket, the casing is connected with the bevel gear through the pivot, bevel gear and tooth's socket meshing, the slot has been seted up to the one end that the bevel gear was kept away from in the pivot, the top of rolling disc is provided with the vortex strip, the inside swing joint of casing has the fixture block, the draw-in groove has been seted up to the bottom of fixture block, the inside swing joint of vortex strip and draw-in groove, the terminal surface of fixture block is provided with the arc piece.

Preferably, a positioning ring is fixedly sleeved on the side surface of the rotating disc, an annular positioning groove is formed in the inner wall of the casing, the positioning ring is located inside the annular positioning groove, and the positioning ring and the annular positioning groove play a role in limiting the moving track of the rotating disc, so that the rotating disc can only rotate and cannot be separated from the casing.

Preferably, a bearing groove is formed in the inner wall of the left side of the casing, a fixed bearing is arranged inside the bearing groove, and the side surface of the rotating shaft is connected with the inside of the fixed bearing.

Preferably, a moving groove is formed in the casing, the moving groove limits the moving direction of the fixture block, so that the fixture block can only move along the groove after the rotating disc rotates, a limiting groove is formed in the inner wall of the side face of the moving groove, a limiting block is fixedly connected to the side face of the fixture block and located in the limiting groove, the limiting block and the limiting groove play a role in preventing the fixture block from being separated from the casing, and the fixture block can only be limited to move in the moving groove at the moment.

Preferably, the front side of fixture block is provided with the fixed column, the through-hole has been seted up to the inside of fixed column, the internal connection of through-hole has the stay cord, and the fixed column provides the anchor point for the stay cord, and the stay cord then can be taut with the fixture block through the fixed column.

Preferably, the top of fixed column is provided with the locking knob, the stay cord is connected with the side surface of locking knob, and the locking knob has played the effect of adjusting the stay cord elasticity.

Compared with the prior art, the utility model provides a low noise antifriction bearing for automobile driving motor possesses following beneficial effect:

1. this a low noise antifriction bearing for automobile drive motor through bearing, connecting pipe, casing, rolling disc, tooth's socket, pivot, bevel gear, slot, vortex strip and the fixture block between mutually supporting, has reached the effect of being convenient for change fast antifriction bearing on the automobile drive motor, has solved the bearing on the current automobile drive motor and has damaged the back, changes inconvenient problem.

2. This a low noise antifriction bearing for automobile drive motor, through the bearing, the connecting pipe, a machine shell, the rolling disc, annular positioning groove, the holding ring, the tooth's socket, the pivot, the bevel gear, decide the bearing, the slot, the vortex strip, the fixture block, the shifting chute, the spacing groove, the stopper, the fixed column, the stay cord, the locking knob, mutually support between draw-in groove and the through-hole, can take up the location with each fixed column through the stay cord, take place to become flexible in order to prevent that the fixture block from taking place to fix a position, the effect that prevents the fixture block not hard up has been solved, the bearing is at the operation in-process, the fixture block can probably take place not hard up problem because of the operation vibrations.

Drawings

Fig. 1 is a top view of the present invention;

fig. 2 is a front sectional view of the present invention;

fig. 3 is a front view of the housing of the present invention;

FIG. 4 is a schematic view of the structure of the rotating disc of the present invention;

FIG. 5 is a schematic view of the housing structure of the present invention;

fig. 6 is a schematic diagram of the structure of the fixture block of the present invention.

Wherein: 1. a bearing; 2. connecting pipes; 3. a housing; 4. rotating the disc; 5. an annular positioning groove; 6. a positioning ring; 7. a tooth socket; 8. a rotating shaft; 9. a bevel gear; 10. fixing a bearing; 11. a slot; 12. a scroll-like strip; 13. a clamping block; 14. a moving groove; 15. a limiting groove; 16. a limiting block; 17. fixing a column; 18. pulling a rope; 19. locking the knob; 20. a card slot; 21. a through hole; 22. an arc-shaped block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, a low noise rolling bearing for an automobile driving motor comprises a bearing 1, the bearing 1 is a low noise ball bearing for an automobile driving motor, the bearing 1 is connected with a casing 3 through a connecting pipe 2, the front and rear ends of the inner ring of the bearing 1 are fixedly connected with the connecting pipe 2, one end of the connecting pipe 2 far away from the bearing 1 is fixedly connected with one side of the casing 3 close to the bearing 1, the connecting pipe 2 and the casing 3 are integrally arranged, the axial lead of the connecting pipe 2 is concentric and coaxial with the central line of the casing 3, a rotating disc 4 is arranged inside the casing 3, a through groove is arranged at the center of the casing 3 and the rotating disc 4, the diameter of the through groove is slightly larger than that of the connecting pipe 2, the rotating disc 4 and the casing 3 can only relatively rotate, a positioning ring 6 is fixedly sleeved on the side surface of the rotating disc 4, an annular positioning groove 5 is arranged on the inner wall of the casing 3, the positioning ring 6 is positioned inside the annular positioning groove 5, the bottom of the rotating disc 4 is provided with a tooth groove 7, and the machine shell 3 is connected with a bevel gear 9 through a rotating shaft 8.

A bearing groove is formed in the inner wall of the left side of the machine shell 3, a fixed bearing 10 is arranged in the bearing groove, the side surface of the outer ring of the fixed bearing 10 is fixedly connected with the inner wall of the bearing groove, the side surface of the rotating shaft 8 is connected with the inner wall of the inner ring of the fixed bearing 10, the side surface of the rotating shaft 8 is fixedly connected with the inner wall of the bevel gear 9, the bevel gear 9 is meshed with the tooth space 7, a slot 11 is formed in one end, far away from the bevel gear 9, of the rotating shaft 8, the slot 11 is a hexagonal slot and can be matched with a common hexagonal wrench, a vortex-shaped strip 12 is arranged at the top of the rotating disc 4, clamping blocks 13 are movably connected in the machine shell 3, the quantity of the clamping blocks 13 is six, the angles of the clamping blocks at intervals between every two clamping blocks are the same, a moving groove 14 is formed in the machine shell 3, a limiting groove 15 is formed in the inner wall of the side surface of the moving groove 14, and a limiting block 16 is fixedly connected to the side surface of the clamping block 13, the limiting block 16 is located inside the limiting groove 15, the bottom of the clamping block 13 is provided with a clamping groove 20, the clamping groove 20 is an arc-shaped groove, and the scroll strip 12 is movably connected with the inside of the clamping groove 20.

The end face of the fixture block 13 is provided with an arc-shaped block 22, the arc-shaped block 22 is connected with one side of the fixture block 13 close to the rotating shaft of the driving motor through a sunk screw, the arc-shaped block 22 consists of two parts, one part is a fixed section which is hard and is directly connected with the fixture block 13, the other part is an attaching section, the side surface of the attaching section is provided with an arc-shaped surface which is made of hard rubber and has certain elasticity and can be well attached to the rotating shaft of the driving motor of the automobile, the front side of the fixture block 13 is provided with a fixed column 17, the front side of each fixture block 13 is fixedly connected with one fixed column 17, the inside of each fixed column 17 is provided with a through hole 21, the inside of each through hole 21 is connected with a pull rope 18, the pull ropes 18 are steel wire ropes, the six fixture blocks 13 are connected into a whole, the top of each fixed column 17 is provided with a locking knob 19, the pull rope 18 is connected with the side surface of the locking knob 19, and only the front side of the fixed column 17 fixedly connected with the starting end of the pull rope 18 is provided with the locking knob 19, after the pull rope 18 connects the six fixture blocks 13 into a whole through the six fixing posts 17, the tail end of the pull rope 18 is fixedly sleeved with the side surface of the locking knob 19, and the pull rope 18 can be tightened only by screwing the locking knob 19 to rotate, so that the positions of the six fixture blocks 13 are fixed.

When in use, the rotating shaft of the automobile driving motor is inserted into the bearing 1, the rotating shaft is positioned in the through grooves of the rotating disc 4 and the shell 3 at the moment, but the fixture block 13 is not tightly pressed against the side surface of the rotating shaft, then the rotating shaft 8 is screwed anticlockwise, the bevel gear 9 is driven to rotate through the rotating shaft 8, after the bevel gear 9 rotates, the rotating disc 4 synchronously rotates, the fixture block 13 directionally moves under the combined action of the clamping groove 20, the scroll strip 12 and the moving groove 14 until the side surface of the arc-shaped block 22 is tightly pressed against the side surface of the rotating shaft, at the moment, the bearing 1 finishes primary installation, one end of the pull rope 18 is fixed with one fixed column 17, then the other end of the pull rope 18 sequentially passes through the through holes on the fixed columns 17 until the pull rope 18 connects the six fixed columns 17 into a whole, finally, the tail end of the pull rope 18 is fixedly connected with the side surface of the locking knob 19, and the locking knob 19 is screwed, the pull rope 18 is tightened to complete the positioning of the clamping block 13, and the installation work of the automobile driving motor bearing is completed at the moment, so that the effect of facilitating the quick replacement of the bearing 1 is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A low noise antifriction bearing for automobile drive motor, includes bearing (1), its characterized in that: bearing (1) is connected with casing (3) through connecting pipe (2), the inside of casing (3) is provided with rolling disc (4), the bottom of rolling disc (4) is provided with tooth's socket (7), casing (3) are connected with bevel gear (9) through pivot (8), bevel gear (9) and tooth's socket (7) meshing, slot (11) have been seted up to the one end that bevel gear (9) were kept away from in pivot (8), the top of rolling disc (4) is provided with vortex strip (12), the inside swing joint of casing (3) has fixture block (13), draw-in groove (20) have been seted up to the bottom of fixture block (13), the inside swing joint of vortex strip (12) and draw-in groove (20), the terminal surface of fixture block (13) is provided with arc piece (22).

2. A low-noise rolling bearing for an automobile driving motor according to claim 1, characterized in that: the side surface of the rotating disc (4) is fixedly sleeved with a positioning ring (6), the inner wall of the casing (3) is provided with an annular positioning groove (5), and the positioning ring (6) is positioned inside the annular positioning groove (5).

3. A low-noise rolling bearing for an automobile driving motor according to claim 1, characterized in that: the bearing groove is formed in the inner wall of the left side of the machine shell (3), the fixed bearing (10) is arranged inside the bearing groove, and the side surface of the rotating shaft (8) is connected with the inside of the fixed bearing (10).

4. A low-noise rolling bearing for an automobile driving motor according to claim 1, characterized in that: the movable groove (14) has been seted up to the inside of casing (3), spacing groove (15) have been seted up to the inner wall of movable groove (14) side, the side fixedly connected with stopper (16) of fixture block (13), stopper (16) are located the inside of spacing groove (15).

5. A low-noise rolling bearing for an automobile driving motor according to claim 1, characterized in that: a fixing column (17) is arranged on the front side of the clamping block (13), a through hole (21) is formed in the fixing column (17), and a pull rope (18) is connected to the inside of the through hole (21).

6. A low-noise rolling bearing for an automobile drive motor according to claim 5, characterized in that: the top of the fixed column (17) is provided with a locking knob (19), and the pull rope (18) is connected with the side surface of the locking knob (19).