CN218780625U

CN218780625U - Motor axial positioning bearing

Info

Publication number: CN218780625U
Application number: CN202223203827.1U
Authority: CN
Inventors: 周自宽; 牛建丽; 闫振红
Original assignee: ZHENGZHOU LIANGGONG ENGINEERING CO LTD
Current assignee: ZHENGZHOU LIANGGONG ENGINEERING CO LTD
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-31
Anticipated expiration: 2032-11-30

Abstract

The utility model belongs to the technical field of the bearing, a motor axial positioning bearing is disclosed, including motor body, motor body's right side is equipped with the main shaft, motor body's right side installs the cover through first bolt, the inside of cover is equipped with bearing mechanism, and bearing mechanism cup joints on the main shaft, bearing mechanism includes the bearing inner circle, the bearing inner circle has been cup jointed on the main shaft, cup jointed the bearing inner circle in the bearing, and the bearing inner circle sets up the inside central point at the cover and puts, movable joint has the rolling steel ball between bearing inner circle and the bearing inner circle, be equipped with the steel ball holder between bearing inner circle and the bearing inner circle, and steel ball holder activity joint on the rolling steel ball, the utility model provides a motor axial positioning bearing, be convenient for better keep fixing a position the rolling steel ball, it is comparatively convenient that spacing frame in a left side and the spacing frame in the right side unload comparatively conveniently, is convenient for better change the rolling steel ball.

Description

Motor axial positioning bearing

Technical Field

The utility model belongs to the technical field of the bearing, specifically be a motor axial positioning bearing.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law. The motor is mainly used for generating driving torque and is used as a power source of electric appliances or various machines.

At present, a motor spindle is connected inside a shell of a motor through a bearing, the smoothness of spindle rotation is better guaranteed, the existing bearing is mainly assembled by an outer ring, an inner ring, a rolling steel ball and a steel ball retainer, the steel ball retainer is mainly used for limiting and retaining the steel ball, the existing steel ball retainer is of an integrated structure generally, and when the steel ball is damaged and needs to be replaced, the steel ball is detached more complexly due to the integrated structure of the retainer. For publication No.: 201910701252.X provides a bearing and a bearing outer ring, wherein the main problems of ensuring the lubricating effect of the bearing, and facilitating the discharge of impurities and the sealing property are solved. However, the retainer has the disadvantages that the retainer is of an integrated structure, the rolling body is arranged in the rolling cavity of the retainer, and the retainer does not have a disassembly structure, so that the operation is complicated when the rolling body needs to be replaced, and the working efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: to solve the above-mentioned problems.

The utility model adopts the technical scheme as follows: a motor axial positioning bearing comprises a motor body, wherein a main shaft is arranged on the right side of the motor body, a cover is installed on the right side of the motor body through a first bolt, a bearing mechanism is arranged inside the cover and is sleeved on the main shaft, the bearing mechanism comprises a bearing inner ring, a bearing inner ring is sleeved on the main shaft, a bearing outer ring is sleeved on the bearing inner ring and is arranged at the inner central position of the cover, rolling steel balls are movably clamped between the bearing inner ring and the bearing outer ring, a steel ball retainer is arranged between the bearing inner ring and the bearing outer ring and is movably clamped on the rolling steel balls, limiting plates are fixedly connected to the upper part and the lower part of the steel ball retainer, and the limiting plates are attached to the bearing inner ring and the bearing outer ring;

the steel ball retainer comprises a left limiting frame and a right limiting frame, the left limiting frame and the right limiting frame are arranged between the bearing inner ring and the bearing outer ring, steel ball retaining grooves matched with rolling steel balls are formed in the relative positions of the left limiting frame and the right limiting frame, the steel ball retaining grooves are movably sleeved on the rolling steel balls, a positioning groove is formed in the left wall of the right limiting frame, a positioning block is fixedly connected to the left limiting frame relative to the positioning groove and is inserted into the positioning groove, and a second bolt is in threaded connection with the inner portions of the right limiting frame and the positioning block.

In a preferred embodiment, the steel ball retaining grooves are annularly distributed at the opposite positions of the left limiting frame and the right limiting frame, and the rolling steel balls are movably arranged on the inner sides of the steel ball retaining grooves.

In a preferred embodiment, the abutting surfaces of the limiting plate, the bearing inner ring and the bearing outer ring are in an arc-shaped structure.

In a preferred embodiment, the outer diameter and the inner diameter of the left limiting frame and the right limiting frame are the same.

In a preferred embodiment, the right limiting frame and the positioning block are provided with threaded holes matched with the second bolts at opposite positions, and the second bolts are in threaded connection in the threaded holes.

In a preferred embodiment, the limiting plate is fixedly connected to the outer wall and the inner wall of the left limiting frame and the right limiting frame.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that: the utility model provides a motor axial positioning bearing, be convenient for better keep the location to the rolling steel ball, it is comparatively convenient that spacing and the spacing frame in the right side of a left side unload simultaneously, be convenient for better change the rolling steel ball.

1. The utility model discloses in, the activity joint has the rolling steel ball between bearing inner race and bearing inner race, is convenient for carry out better swivel work through the better assurance bearing inner race of rolling steel ball, has seted up the steel ball retaining groove at left spacing and right spacing relative position, is convenient for can be with the spacing inside that keeps in the steel ball retaining groove of rolling steel ball through the steel ball retaining groove for it is more stable when rolling steel ball is rotatory.

2. The utility model discloses in, seted up the constant head tank at right spacing left wall, be convenient for peg graft the locating piece in the constant head tank, can be spacing together with left spacing and right spacing this moment, have the second bolt at right spacing and locating piece internal thread, through the better with the locating piece location in the constant head tank of second bolt, the better location of spacing and right spacing this moment is in the same place.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a front view of the bearing mechanism of the present invention;

fig. 3 is the structural schematic diagram of the steel ball storage rack of the present invention.

The labels in the figure are: 1-a motor body; 2-a main shaft; 3-a first bolt; 4-a machine cover; 5-a bearing mechanism; 6-bearing inner race; 7-bearing outer race; 8-rolling the steel ball; 9-steel ball retainer; 10-a limiting plate; 11-a left limit frame; 12-a right limit bracket; 13-steel ball retaining groove; 14-a positioning groove; 15-positioning blocks; 16-second bolt.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are 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 efforts belong to the protection scope of the present invention.

A motor axial positioning bearing according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

The embodiment is as follows:

referring to fig. 1 and 2, an axial positioning bearing of a motor comprises a motor body 1, a main shaft 2 is arranged on the right side of the motor body 1, a cover 4 is installed on the right side of the motor body 1 through a first bolt 3, a bearing mechanism 5 is arranged inside the cover 4, and the bearing mechanism 5 is sleeved on the main shaft 2;

referring to fig. 2, the bearing mechanism 5 includes a bearing inner ring 6, the bearing inner ring 6 is sleeved on the main shaft 2, a bearing outer ring 7 is sleeved on the bearing inner ring 6, the bearing outer ring 7 is arranged at the inner center of the cover 4, rolling steel balls 8 are movably clamped between the bearing inner ring 6 and the bearing outer ring 7, so that the bearing inner ring 6 can be ensured to perform better rotation work through the rolling steel balls 8, a steel ball retainer 9 is arranged between the bearing inner ring 6 and the bearing outer ring 7, the steel ball retainer 9 is movably clamped on the rolling steel balls 8, limiting plates 10 are fixedly connected to the upper portion and the lower portion of the steel ball retainer 9, the limiting plates 10 are attached to the bearing inner ring 6 and the bearing outer ring 7, and the limiting plates 10 are matched with the attaching surfaces of the bearing inner ring 6 and the bearing outer ring 7;

referring to fig. 2 and 3, the steel ball retainer 9 includes a left retainer 11 and a right retainer 12, the left retainer 11 and the right retainer 12 are disposed between the bearing inner ring 6 and the bearing outer ring 7, the left retainer 11 and the right retainer 12 have the same specification, the retainer 10 is fixedly connected to the outer wall and the inner wall of the left retainer 11 and the right retainer 12, the left retainer 11 and the right retainer 12 are both provided with steel ball retaining grooves 13 adapted to the rolling steel balls 8 at opposite positions, and the steel ball retaining grooves 13 are movably sleeved on the rolling steel balls 8, so that the rolling steel balls 8 can be retained in the steel ball retaining grooves 13 in a limited manner through the steel ball retaining grooves 13, and the rolling steel balls 8 are more stable when rotating;

referring to fig. 3, a positioning groove 14 is formed in the left wall of the right limiting frame 12, a positioning block 15 is fixedly connected to the left limiting frame 11 relative to the positioning groove 14, the positioning block 15 is inserted into the positioning groove 14, the positioning groove 14 is matched with the positioning block 15, the positioning block 15 is conveniently inserted into the positioning groove 14, the left limiting frame 11 and the right limiting frame 12 can be limited together at the moment, a second bolt 16 is connected to the inner threads of the right limiting frame 12 and the positioning block 15, a threaded hole matched with the second bolt 16 is formed in the right limiting frame 12 and the positioning block 15 relative to each other, the second bolt 16 is connected into the threaded hole in a threaded manner, the positioning block 15 is better positioned in the positioning groove 14 through the second bolt 16, and the left limiting frame 11 and the right limiting frame 12 are better positioned together at the moment.

The application has the advantages that: the utility model provides a motor axial positioning bearing is convenient for better keeps the location to rolling steel ball 8, and it is comparatively convenient that spacing 11 in a left side and the spacing 12 in the right side unload simultaneously, is convenient for better change rolling steel ball 8.

The working principle is as follows: when the left limiting frame 11 and the right limiting frame 12 are installed, the rolling steel balls 8 are movably clamped on the inner sides of the bearing inner ring 6 and the bearing outer ring 7, the bearing inner ring 6 can rotate, the left limiting frame 11 and the right limiting frame 12 are separately placed on the inner sides of the bearing inner ring 6 and the bearing outer ring 7, the rolling steel balls 8 are movably clamped inside the steel ball retaining groove 13, the positioning blocks 15 are inserted into the positioning grooves 14, the rolling steel balls 8 can be limited in the steel ball retaining groove 13, the second bolt 16 is in threaded connection with threaded holes formed in the relative positions of the right limiting frame 12 and the positioning blocks 15, the positioning blocks 15 can be positioned in the positioning grooves 14, meanwhile, the left limiting frame 11 and the right limiting frame 12 are better positioned together, and the stability of the rolling steel balls 8 inside the steel ball retaining groove 13 is improved.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A motor axial positioning bearing comprises a bearing mechanism (5) arranged inside a cover (4), wherein the bearing mechanism (5) is sleeved on a main shaft (2), the bearing mechanism (5) comprises a bearing inner ring (6), the bearing inner ring (6) is sleeved on the main shaft (2), a bearing outer ring (7) is sleeved on the bearing inner ring (6), the bearing outer ring (7) is arranged at the inner center position of the cover (4), rolling steel balls (8) are movably clamped between the bearing inner ring (6) and the bearing outer ring (7), a steel ball retainer (9) is arranged between the bearing inner ring (6) and the bearing outer ring (7), the steel balls (9) are movably clamped on the rolling steel balls (8), limiting plates (10) are fixedly connected to the upper part and the lower part of the steel ball retainer (9), and the limiting plates (10) are attached to the bearing inner ring (6) and the bearing outer ring (7); the method is characterized in that:

the steel ball retainer (9) comprises a left limiting frame (11) and a right limiting frame (12), a left limiting frame (11) and a right limiting frame (12) are arranged between the bearing inner ring (6) and the bearing outer ring (7), steel ball retaining grooves (13) matched with rolling steel balls (8) are formed in the relative positions of the left limiting frame (11) and the right limiting frame (12), the steel ball retaining grooves (13) are movably sleeved on the rolling steel balls (8), positioning grooves (14) are formed in the left wall of the right limiting frame (12), positioning blocks (15) are fixedly connected to the positions of the left limiting frame (11) relative to the positioning grooves (14), the positioning blocks (15) are inserted into the positioning grooves (14), and second bolts (16) are connected to the inner threads of the right limiting frame (12) and the positioning blocks (15).

2. The axial motor positioning bearing of claim 1, wherein: the steel ball retaining grooves (13) are annularly distributed at the relative positions of the left limiting frame (11) and the right limiting frame (12), and the rolling steel balls (8) are movably arranged on the inner sides of the steel ball retaining grooves (13).

3. The axial motor positioning bearing of claim 1, wherein: and the binding surfaces of the limiting plate (10), the bearing inner ring (6) and the bearing outer ring (7) are of arc structures.

4. The axial motor positioning bearing of claim 1, wherein: the outer diameter and the inner diameter of the left limiting frame (11) and the right limiting frame (12) are the same.

5. An electric machine axial positioning bearing as defined in claim 1, wherein: and the right limiting frame (12) and the positioning block (15) are oppositely provided with threaded holes matched with the second bolts (16), and the second bolts (16) are in threaded connection in the threaded holes.

6. A motor axial positioning bearing according to claim 3, wherein: the limiting plate (10) is fixedly connected to the outer wall and the inner wall of the left limiting frame (11) and the right limiting frame (12).