CN212660065U

CN212660065U - Bearing mounting structure and motor

Info

Publication number: CN212660065U
Application number: CN202021441490.6U
Authority: CN
Inventors: 熊新元
Original assignee: Shenzhen Yifeng Motor Parts Co ltd
Current assignee: Shenzhen Yifeng Motor Parts Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-03-05
Anticipated expiration: 2030-07-20

Abstract

The utility model provides a bearing mounting structure and motor, includes bearing and bearing frame, and the bearing frame includes the axle sleeve and connects the nonrust steel sheet in axle sleeve one end, and the other end of axle sleeve is uncovered, and the coaxial holding of bearing is in the axle sleeve, the outer lane of bearing and the inner wall fixed connection of axle sleeve, and nonrust steel sheet has the pre-compaction elasticity towards the bearing, and nonrust steel sheet compresses tightly the inner circle of bearing through pre-compaction elasticity, still is equipped with the gasket between the inner circle of nonrust steel sheet and bearing. The bearing mounting structure and the motor of the utility model generate prepressing elastic force to the inner ring of the bearing through the stainless steel sheet, so that the inner ring and the outer ring of the bearing are tightly matched, the noise generated by the play of the bearing and the fore-and-aft movement of the rotating shaft of the motor is eliminated, and the energy consumption of the motor is improved; the bearing is installed on the motor through the bearing frame for the bearing not only can be fast, easily pack into in the bearing frame, and the bearing frame that has assembled moreover can easily pack into the bearing room that the motor was reserved, thereby has reduced the assembly degree of difficulty of motor.

Description

Bearing mounting structure and motor

Technical Field

The utility model relates to a supporting design field of bearing, concretely relates to bearing mounting structure and motor.

Background

The Bearing (Bearing) is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient (friction coefficient) in its motion process, and guarantee its gyration precision. The bearing mainly comprises an inner ring, an outer ring and steel balls, wherein the inner ring and the outer ring can rotate relatively, and the inner ring and the outer ring are supported through the rolling steel balls. When the bearing is applied to the motor, certain precision deviation often exists in the straight line assembly concentricity of the casing, the end cover, the bearing and the rotating shaft of the motor, so that the bearing assembly has a clearance, the rotating friction force of the rotating shaft is increased along with the increase of noise in the operation process of the motor, the energy consumption is increased when the motor is electrified for use, the service life of the motor is influenced, the assembly difficulty is brought to production, and the production cost is increased invisibly.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the above-mentioned problem that prior art exists, provide a bearing mounting structure and motor to solve prior art's the bearing of being applied to products such as motors, there is the internal clearance in its assembly, and the pivot that leads to the motor is at rotatory in-process, and frictional force increases, and the noise increase thereupon, not only the power consumption increase, but also influenced motor life's technical problem.

In order to achieve the above object, the utility model provides a bearing mounting structure, including bearing and bearing frame, wherein:

the bearing seat comprises a shaft sleeve and a stainless steel sheet connected to one end of the shaft sleeve, the other end of the shaft sleeve is open, the bearing is coaxially contained in the shaft sleeve, the outer ring of the bearing is fixedly connected with the inner wall of the shaft sleeve, the stainless steel sheet has prepressing elastic force facing the bearing, the stainless steel sheet compresses the inner ring of the bearing through the prepressing elastic force, and a gasket is further arranged between the stainless steel sheet and the inner ring of the bearing.

As a further preferred technical scheme of the utility model, the center correspondence of nonrust steel sheet is seted up and is supplied outside axle to penetrate the via hole of bearing inner circle.

As a further preferred technical scheme of the utility model, center on the stainless steel sheet a plurality of holes have been seted up to the via hole, the region of hole with the steel ball position of bearing corresponds.

As a further preferred technical scheme of the utility model, the gasket is graphite nylon gasket, graphite nylon gasket is the annular, the central annular ring of graphite nylon gasket with the via hole is unanimous.

As a further preferred technical scheme of the utility model, the axle sleeve is the plastic material.

As a further preferred technical scheme of the utility model, the axle sleeve with the nonrust steel sheet is moulded plastics together and is formed, the edge embedding all around of nonrust steel sheet in the axle sleeve.

As a further preferred technical scheme of the utility model, the outer lane of bearing with bond fixedly through coating glue between the inner wall of axle sleeve, perhaps install fixedly through interference fit.

According to the utility model discloses a further scheme, the utility model also provides a motor, the above-mentioned arbitrary item that the motor adopted bearing mounting structure, the bearing frame inlays the dress and is in on the casing of motor, install in the bearing frame the bearing is used for right the pivot of motor rotates the support.

The utility model discloses a bearing mounting structure and motor, wherein, the motor includes the bearing mounting structure of above-mentioned technical scheme, produces pre-compaction elasticity through the inner circle of stainless steel piece to the bearing to the inner circle of bearing closely cooperates, has eliminated the noise that bearing play and motor shaft drunkenness produced around, has improved the energy consumption of motor simultaneously; the bearing is arranged on the motor through the bearing seat, so that the bearing can be quickly and easily arranged in the bearing seat, and the assembled bearing seat can be easily arranged in a bearing chamber reserved for the motor, thereby reducing the assembly difficulty of the motor; additionally, include the utility model discloses bearing mounting structure's motor, not only the assembly is light, quick, and the concentricity is high moreover, and the operation is reliable and stable.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural view of an example provided by the bearing mounting structure of the present invention;

FIG. 2 is a schematic structural view of a bearing seat;

FIG. 3 is a cross-sectional view of the bearing housing;

FIG. 4 is a schematic diagram of a single-bearing motor structure;

fig. 5 is a schematic structural view of mounting a double bearing through a bracket.

In the figure: 100. the bearing comprises a bearing seat, 110, a shaft sleeve, 120, a stainless steel sheet, 121, a hole, 122, a through hole, 130, a gasket, 200, a bearing, 201, an outer ring, 202, a steel ball, 203, an inner ring, 301, a shell, 302, a rotating shaft, 400 and a support.

The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description. In the preferred embodiments, the terms "upper", "lower", "left", "right", "middle" and "a" are used for the sake of clarity only, and are not intended to limit the scope of the invention, its relative relationship between the terms and their derivatives, and the scope of the invention should be understood as being limited by the claims.

As shown in fig. 1 to 3, the present invention provides a bearing mounting structure, which includes a bearing 200 and a bearing seat 100, wherein:

the bearing seat 100 comprises a shaft sleeve 110 and a stainless steel sheet 120 connected to one end of the shaft sleeve 110, the other end of the shaft sleeve 110 is open, the bearing 200 is coaxially accommodated in the shaft sleeve 110, the bearing 200 is installed in the shaft sleeve 110 through the open end during assembly, an outer ring 201 of the bearing 200 is fixedly connected with the inner wall of the shaft sleeve 110, a gasket 130 is further arranged between the stainless steel sheet 120 and an inner ring 203 of the bearing 200, the stainless steel sheet 120 is made of elastic material, a reaction force can be generated after the surface of the stainless steel sheet 120 is extruded, when the bearing 200 is installed, the stainless steel sheet 120 is deformed by being pressed by the inner ring 203, then the bearing 200 is fixed with the shaft sleeve 110, the reaction force generated by the stainless steel sheet 120 through deformation acts on the inner ring 203 of the bearing 200, so that the end cover can elastically press the inner ring 203 of the bearing 200 and provide pre-pressing elasticity towards the direction of the bearing 200, and steel balls 202 in the, further, the gap between the inner ring 201 and the outer ring 202 of the bearing 200 and the steel ball 202 can be eliminated, and the purpose of eliminating noise during the operation of the bearing 200 is achieved.

Referring to fig. 1, it can be seen from fig. 1 that the inner ring 203 of the bearing 200 subjected to the pre-compression elastic force deviates to one side relative to the outer ring 201, and the inner ring 203 of the bearing 200 pushes the steel balls 202, so that the steel balls 202 can always contact the track during the operation process.

In a specific implementation, a through hole 122 for an external shaft to penetrate into the inner ring 203 of the bearing 200 is correspondingly formed in the center of the stainless steel sheet 120.

Preferably, a plurality of holes 121 are formed in the stainless steel sheet 120 around the via holes 122, the area of each hole 121 corresponds to the position of the steel ball 202 of the bearing 200, the external force required by the extrusion deformation of the whole stainless steel sheet 120 is large, and the holes 121 are reasonably formed, so that the external force required by the extrusion deformation can be reduced, the bearing 200 can be conveniently installed, and the prepressing elastic force of the stainless steel sheet 120 reacting on the bearing 200 reaches a proper magnitude, for example, if the holes 121 are not formed in the stainless steel sheet 120, the holes 121 can be pressed to deform by 3kG force, and the holes 121 can be formed only by 1.5kG force.

In specific implementation, the gasket 130 is a graphite nylon gasket 130, the graphite nylon gasket 130 is annular, and a central annular hole of the graphite nylon gasket 130 is identical to the through hole 122, and of course, gaskets 130 made of other materials may also be used, which is not illustrated here.

Further preferably, the shaft sleeve 110 is made of plastic materials, the shaft sleeve 110 and the stainless steel sheet 120 are formed by injection molding, the peripheral edges of the stainless steel sheet 120 are embedded in the shaft sleeve 110, and the shaft sleeve 110 and the stainless steel sheet 120 are firmly connected by injection molding, so that the stainless steel sheet 120 cannot be extruded to fall off from the shaft sleeve 110 in the using process, the assembly is facilitated, and the cost is low.

Still preferably, the outer ring 201 of the bearing 200 and the inner wall of the shaft sleeve 110 are fixed by gluing or by interference fit, and the outer ring 201 of the bearing 200 needs to be fixedly connected with the shaft sleeve 110 to ensure that the inner ring 203 of the bearing 200 is not loosened after being extruded by the stainless steel sheet 120, so that the bearing 200 is continuously subjected to pre-pressing elasticity during operation, and the stability is reliable.

As shown in fig. 4 and 5, the present invention further provides a motor, the motor includes any one of the above-mentioned bearing mounting structure 100, the bearing seat 100 is embedded on the casing of the motor, and the bearing 200 installed in the bearing seat 100 is used for rotatably supporting the rotating shaft 302 of the motor.

The motor generally has two structures of a single bearing 200 and a double bearing 200, wherein one side of the motor supports the rotating shaft 302 through one bearing 200 to form the single bearing 200 structure, and one side of the motor supports the rotating shaft 302 through two bearings 200 to form the double bearing 200 structure. Referring to fig. 4, in the case of the single bearing 200 structure, the bearing housing 100 is embedded in the casing of the motor directly or through a bracket 400; referring to fig. 5, in the case of a dual-bearing 200 structure, a bracket 400 is embedded in a housing of a motor, two bearing blocks 100 are sequentially installed on the bracket 400 along an axial direction of the rotating shaft 302, and each bearing block 100 corresponds to one bearing 200.

Compared with the prior art, the utility model discloses a motor is through including any of the aforesaid bearing frame 100, the purpose is solved bearing 200 plays and is eliminated the noise that motor shaft 302 drunkenness produced around, and improves the motor energy consumption, and the concrete improvement point is: the stainless steel sheet 120 generates pre-pressing elasticity on the inner ring 203 of the bearing 200, so that the inner ring 201 and the outer ring 201 of the bearing 200 are tightly matched, and the play of the bearing 200 is eliminated; the bearing 200 is mounted on the motor through the bearing seat 100, so that the bearing 200 can be quickly and easily mounted in the bearing seat 100, and the assembled bearing seat 100 can be easily mounted in a bearing chamber reserved for the motor, thereby reducing the assembly difficulty of the motor; additionally, include the utility model discloses bearing mounting structure's motor, not only the assembly is light, quick, and the concentricity is high moreover, and the operation is reliable and stable.

Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many changes and modifications may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.

Claims

1. The utility model provides a bearing mounting structure which characterized in that, includes bearing and bearing frame, wherein:

2. The bearing mounting structure according to claim 1, wherein a through hole for an external shaft to penetrate into the bearing inner race is correspondingly formed in the center of the stainless steel sheet.

3. The bearing mounting structure of claim 2, wherein a plurality of holes are formed in the stainless steel sheet around the through hole, and the area of each hole corresponds to the position of a steel ball of the bearing.

4. The bearing mounting structure of claim 2, wherein the spacer is a graphite nylon spacer, the graphite nylon spacer is annular, and a central annular hole of the graphite nylon spacer coincides with the via hole.

5. The bearing mounting structure of claim 1, wherein the bushing is made of plastic.

6. The bearing mounting structure according to claim 5, wherein the boss is injection-molded together with the stainless steel sheet, and a peripheral edge of the stainless steel sheet is embedded in the boss.

7. The bearing mounting structure according to any one of claims 1 to 6, wherein the outer race of the bearing and the inner wall of the sleeve are fixed by bonding with a coating glue or by interference fit.

8. An electric motor comprising the bearing mounting structure according to any one of claims 1 to 7, wherein the bearing housing is fitted to a housing of the electric motor, and the bearing mounted in the bearing housing is used for rotatably supporting a rotating shaft of the electric motor.