CN219436762U

CN219436762U - Bearing mounting assembly, motor and vehicle

Info

Publication number: CN219436762U
Application number: CN202220736469.1U
Authority: CN
Inventors: 王世超; 余志欣; 王军政; 夏冰冰
Original assignee: Beijing CHJ Automobile Technology Co Ltd
Current assignee: Beijing CHJ Automobile Technology Co Ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2023-07-28
Anticipated expiration: 2032-03-30

Abstract

The utility model relates to the technical field of automobile parts, in particular to a bearing installation assembly and a vehicle. The bearing mounting assembly can reduce damage of the elastic piece and prolong the service life of the bearing.

Description

Bearing mounting assembly, motor and vehicle

Technical Field

The utility model relates to the technical field of automobile parts, in particular to a bearing installation assembly, a motor and a vehicle.

Background

The bearing in the related art is in direct contact with the elastic piece, and the elastic piece is impacted by axial larger acceleration and can be further compressed on the basis of the original compression amount, so that the normal working range of the elastic piece is exceeded, and the fatigue life of the elastic piece is reduced or even broken.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the utility model provides a bearing mounting assembly which can reduce damage of an elastic piece and prolong the service life of a bearing.

The embodiment of the utility model also provides a motor.

The embodiment of the utility model also provides a vehicle.

The bearing mounting assembly of the embodiment of the utility model comprises: a housing; the bearing body and the bushing are arranged in the shell, and the end face of the bearing body is abutted with the bushing; the elastic piece is sleeved on the bushing, one end of the elastic piece is abutted to the bushing, and the other end of the elastic piece is abutted to the shell.

According to the bearing mounting assembly provided by the embodiment of the utility model, the bushing is arranged, so that the compression of the elastic piece is limited, and certain impact strength is counteracted, thereby preventing the elastic piece from failure and fracture caused by transitional compression, further reducing the damage of the elastic piece 4, and prolonging the service life of the bearing.

In some embodiments, the bushing includes an abutting portion and a connecting portion that are connected to each other, the elastic member is sleeved on the connecting portion, one end of the abutting portion abuts against the end face of the bearing body, and the other end of the abutting portion abuts against the elastic member.

In some embodiments, an included angle is formed between the outer peripheral surface of the connecting portion and an end surface of the abutting portion adjacent to one side of the elastic member, and the included angle is a right angle.

In some embodiments, the connecting portion is spaced apart from the housing away from a side end surface of the bearing body to form a first gap.

In some embodiments, the number of the abutting portions is plural, and the plural abutting portions are arranged at intervals in the circumferential direction of the connecting portion.

In some embodiments, the bearing body includes an inner ring and an outer ring surrounding the inner ring, an end of the abutment remote from the resilient member abutting the outer ring.

In some embodiments, the connecting portion is integrally formed with the abutment portion.

In some embodiments, the connecting portion is provided with a notch, the notch divides the connecting portion into a first connecting portion and a second connecting portion, one ends of the first connecting portion and the second connecting portion are connected, and one ends of the first connecting portion and the second connecting portion are disconnected.

An electric machine according to an embodiment of the utility model comprises a bearing mounting assembly according to any of the preceding claims.

The motor provided by the embodiment of the utility model can reduce the damage of the elastic piece and prolong the service life of the motor.

The vehicle provided by the embodiment of the utility model comprises the motor.

The vehicle provided by the embodiment of the utility model improves the vehicle performance.

Drawings

FIG. 1 is a cross-sectional view of a bearing mounting assembly according to an embodiment of the present utility model.

Fig. 2 is a schematic view of the bushing of fig. 1.

Reference numerals:

a housing 1, a bearing body 2, an inner ring 21, an outer ring 22,

the bushing 3, the abutment 31, the first abutment 311, the second abutment 312, the third abutment 313, the first through hole 3131, the fourth abutment 314, the second through hole 3141,

the connection portion 32, the first connection portion 321, the second connection portion 322,

and an elastic member 4.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

The bearing installation assembly comprises a shell 1, a bearing body 2, a bushing 3 and an elastic piece 4, wherein the bearing body 2 and the bushing 3 are arranged in the shell 1, the end face of the bearing body 2 is abutted against the bushing 3, the elastic piece 4 is sleeved on the bushing 3, one end of the elastic piece 4 is abutted against the bushing 3, and the other end of the elastic piece 4 is abutted against the shell 1.

Specifically, as shown in fig. 1 and 2, the bearing body 2, the bush 3 and the elastic member 4 are sequentially arranged in the front-rear direction, the rear end face of the bearing body 2 abuts against the front end face of the bush 3, the front end of the elastic member 4 is sleeved on the bush 3 and abuts against the bush 3, the elastic member 4 extends in the front-rear direction, the rear end of the elastic member 4 abuts against the inner wall face of the housing 1, and for example, the elastic member 4 may be a wave spring.

When the elastic member 4 is compressed by the bush 3 to move the bush 3 rearward, the elastic member 4 cannot be further compressed when the rear end surface of the bush 3 abuts against the housing 1, thereby preventing the elastic member 4 from being excessively compressed.

According to the bearing mounting assembly provided by the embodiment of the utility model, the bushing 3 is arranged, so that the compression of the elastic piece 4 is limited, and certain impact strength is counteracted, thereby preventing the elastic piece 4 from failure and fracture caused by transitional compression, further reducing the damage of the elastic piece 4, and prolonging the service life of the bearing.

In some embodiments, the bushing 3 includes an abutting portion 31 and a connecting portion 32 that are connected to each other, the elastic member 4 is sleeved on the connecting portion 32, one end of the abutting portion 31 abuts against the end face of the bearing body 2, and the other end of the abutting portion 31 abuts against the elastic member 4.

Specifically, as shown in fig. 1 and 2, the connecting portion 32 extends in the front-rear direction, the abutting portion 31 extends in the up-down direction, the front end of the elastic member 4 abuts against the rear end surface of the abutting portion 31, the front end surface of the abutting portion 31 abuts against the rear end surface of the bearing body 2, and the abutting portion 31 abuts against the rear end surface of the outer ring of the bearing body 2.

Alternatively, the abutting portion 31 and the connecting portion 32 are integrally formed, and the structural strength of the bush 3 can be improved.

According to the bearing installation assembly provided by the embodiment of the utility model, the elastic piece 4 can be protected by arranging the connecting part 32, so that the bearing body 2 and the elastic piece 4 are prevented from being damaged due to impact during vibration test of the electric drive assembly, the running safety and stability of the bearing installation assembly are improved, the impact force can be transmitted to the connecting part 32 by arranging the abutting part 31, the connecting part 32 is connected with the shell 1 to limit the elastic piece 4, and therefore a part of impact force can be counteracted, the elastic piece 4 is protected from being damaged due to transitional impact, and the running safety of the bearing installation assembly is improved

In some embodiments, an angle is formed between the outer peripheral surface of the connecting portion 32 and an end surface of the abutting portion 31 adjacent to the elastic member 4, and the angle is a right angle.

Specifically, as shown in fig. 1 and fig. 2, the included angle between the outer peripheral surface of the connecting portion 32 and the rear end surface of the abutting portion 31 is a right angle, so that the stress between the abutting portion 31 and the elastic member 4 is more uniform, the connecting portion 32 is prevented from sliding upwards or downwards when the elastic member 4 is compressed, and the running safety and stability of the bearing installation assembly are improved.

When the front end surface of the abutting portion 31 abuts against the rear end surface of the bearing body 2, the angle between the outer peripheral surface of the connecting portion 32 and the rear end surface of the abutting portion 31 may be a non-right angle, in other words, the angle between the two may be an acute angle or an obtuse angle. When the outer peripheral surface of the connecting portion 32 and the rear end surface of the abutting portion 31 form an acute angle and an obtuse angle, the elastic member 4 can be compressed by the bush 3 when the bearing body 2 moves rearward.

In some embodiments, the connecting portion 32 is disposed apart from the housing 1 at a side end surface remote from the bearing body 2 to form a first gap.

Specifically, as shown in fig. 1, the first gap, that is, the distance between the rear end surface of the connecting portion 32 and the housing 1 when the elastic member 4 is compressed, that is, the length direction of the first gap is the front-rear direction, that is, when the first gap length is the maximum, the bush 3 does not move rearward. When the elastic member 4 is compressed, the connecting portion 32 moves rearward, the length of the first gap gradually decreases, and when the rear end surface of the connecting portion 32 meets the housing 1, the length of the first gap decreases to zero. According to the bearing mounting assembly provided by the embodiment of the utility model, the first gap is arranged, so that the elastic piece 4 is prevented from being damaged due to transitional compression, and the stability and the safety of the operation of the bearing mounting assembly are improved.

In some embodiments, the number of the abutting portions 31 is plural, and the plurality of abutting portions 31 are arranged at intervals in the circumferential direction of the connecting portion 32.

Specifically, as shown in fig. 2, for example, the abutting portion 31 includes a first abutting portion 311, a second abutting portion 312, a third abutting portion 313 and a fourth abutting portion 314, a first through hole 3131 and a second through hole 3141 may be provided on the third abutting portion 313 and the fourth abutting portion 314, the first through hole 3131 penetrates the third abutting portion 313 along the front and back direction, the second through hole 3141 penetrates the fourth abutting portion 314 along the front and back direction, optionally, a connecting piece is provided between the first through hole 3131 and the second through hole 3141, one end of the connecting piece is connected with the third abutting portion 313, and the other end of the connecting piece is connected with the fourth abutting portion 314, so that the bushing 3 is prevented from falling off or loosening.

According to the bearing mounting assembly provided by the embodiment of the utility model, the plurality of abutting parts 31 are arranged at equal intervals in the circumferential direction of the connecting part 32, so that the bearing body 2 and the bushing 3 are uniformly stressed, the stability of the bearing mounting assembly is improved, and compared with the bearing mounting assembly in which the abutting parts 31 are arranged in an annular structure, the integral weight of the bushing 3 is reduced.

In some embodiments, the bearing body 2 includes an inner ring 21 and an outer ring 22, the outer ring 22 is wound around the inner ring 21, and an end of the abutment 31 remote from the elastic member 4 abuts against the outer ring 22.

Specifically, as shown in fig. 1, the outer ring 22 surrounds the outer ring 21, rolling elements are provided between the inner ring 21 and the outer ring 22, and the front end surface of the abutting portion 31 abuts against the rear end surface of the outer ring 22. Through the outer ring butt with the bearing body 2, can guarantee that the bearing body 2 is more stable with the contact of bush 3, make the atress between bush 3 and the bearing body 2 more even.

In some embodiments, the connection portion 32 is provided with a notch, the notch divides the connection portion 32 into a first connection portion 321 and a second connection portion 322, one ends of the first connection portion 321 and the second connection portion 322 are connected, and one ends of the first connection portion 321 and the second connection portion 322 are disconnected.

Specifically, as shown in fig. 2, the lower end of the connection portion 32 has a notch, and the first connection portion 32 is connected to the upper end of the second connection portion 32, for example, the upper ends of the first connection portion 32 and the second connection portion 32 are integrally formed. The lower ends of the first and second connection parts 32 and 32 are connected by a connection member. Through setting up the breach, reduced the degree of difficulty of bush 3 when the installation, and be favorable to the installation and the dismantlement of bush 3, improve bearing installation component's assembly efficiency.

An electric machine according to an embodiment of the utility model comprises a bearing mounting assembly according to any of the above.

Specifically, the bearing installation component is installed on the motor, can improve stability and the security of motor in the use, improves the assembly efficiency of motor.

The vehicle comprises the motor.

Specifically, the motor is mounted on the vehicle, so that the stability and safety of the vehicle in use can be improved.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. A bearing mounting assembly, comprising:

a housing;

the bearing body and the bushing are arranged in the shell, and the end face of the bearing body is abutted with the bushing;

the elastic piece is sleeved on the bushing, one end of the elastic piece is abutted to the bushing, and the other end of the elastic piece is abutted to the shell.

2. The bearing mounting assembly of claim 1, wherein the bushing includes an abutting portion and a connecting portion connected to each other, the elastic member is sleeved on the connecting portion, one end of the abutting portion abuts against an end face of the bearing body, and the other end of the abutting portion abuts against the elastic member.

3. The bearing mounting assembly of claim 2, wherein an outer peripheral surface of the connecting portion and an end surface of the abutting portion adjacent to the elastic member form an included angle therebetween and the included angle is a right angle.

4. The bearing mounting assembly of claim 2, wherein a side end surface of the connecting portion remote from the bearing body is spaced from the housing to form a first gap.

5. The bearing mounting assembly of any one of claims 2-4, wherein the number of abutment portions is plural, the plural abutment portions being arranged at intervals in a circumferential direction of the connecting portion.

6. The bearing mounting assembly of any one of claims 2-4, wherein the bearing body includes an inner race and an outer race that surrounds the inner race, the abutment abutting the outer race at an end remote from the resilient member.

7. The bearing mounting assembly of claim 5, wherein the connecting portion is integrally formed with the abutment portion.

8. The bearing mounting assembly of claim 5, wherein the connection portion is provided with a notch dividing the connection portion into a first connection portion and a second connection portion, wherein one end of the first connection portion and one end of the second connection portion are connected, and wherein one end of the first connection portion and one end of the second connection portion are disconnected.

9. An electric machine comprising a bearing mounting assembly as claimed in any one of claims 1 to 8.

10. A vehicle comprising the electric machine of claim 9.