CN223514707U - Motor, suspension and vehicle - Google Patents
Motor, suspension and vehicleInfo
- Publication number
- CN223514707U CN223514707U CN202422905613.1U CN202422905613U CN223514707U CN 223514707 U CN223514707 U CN 223514707U CN 202422905613 U CN202422905613 U CN 202422905613U CN 223514707 U CN223514707 U CN 223514707U
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- bearing
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- protrusion
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Abstract
本申请涉及一种电机、悬架、车辆，电机包括第一组件，第一组件包括机壳和第一轴承，第一轴承嵌入机壳内，使得第一轴承被机壳限位而不容易脱离轴承安装位，缓解了现有技术存在第一轴承有脱离轴承安装位风险的技术问题。
This application relates to an electric motor, a suspension, and a vehicle. The electric motor includes a first component, which includes a housing and a first bearing. The first bearing is embedded in the housing, so that the first bearing is limited by the housing and is not easily dislodged from the bearing mounting position, thereby alleviating the technical problem in the prior art where there is a risk that the first bearing may dislodge from the bearing mounting position.
Description
Technical Field
The application relates to the technical field of vehicles, in particular to a motor, a suspension and a vehicle.
Background
Meanwhile, the first bearing and the shell are two independent parts, the first bearing is mounted in the shell, dimensional tolerance and form and position tolerance of the bearing cannot be guaranteed, friction force of movement of the piston rod can be increased, and motor efficiency is reduced.
By combining the characteristics of the related technology, the technical problem that the first bearing is at risk of being separated from the bearing installation position in the prior art is deduced.
Disclosure of Invention
The embodiment of the application provides a motor, a suspension and a vehicle, wherein a first bearing is embedded into a shell, so that the technical problems are at least partially solved.
To achieve the above object, according to a first aspect of the present application, there is provided an electric motor including a first assembly including:
a casing, and
A first bearing;
Wherein the first bearing is embedded in the housing.
Optionally, the first bearing is provided with a first groove, the casing is provided with a first bump, and the first bump is embedded in the first groove.
Optionally, the casing is suitable for being obtained through solidification molding in a mold, and the first bearing is placed in a cavity of the mold in advance.
Optionally, the solidification molding is metal casting molding.
Optionally, the first bearing is provided with one of a first groove and a first bump, the casing is provided with the other of the first groove and the first bump, and the first bump is embedded in the first groove.
Optionally, one of the first groove and the first bump extends along a circumferential direction of the first bearing and is disposed on an outer side surface of the first bearing.
Optionally, the first bearing is provided with one of at least one second groove and at least one second bump, the casing is provided with the other of at least one second groove and at least one second bump, and each second bump is embedded into the corresponding second groove.
Optionally, one of the second groove and the second bump extends along an axial direction of the first bearing and is disposed on an outer side surface of the first bearing.
Optionally, at least one of the second grooves includes a plurality of the second grooves, the plurality of the second grooves are distributed along a circumferential direction of the first bearing, or at least one of the second protrusions includes a plurality of the second protrusions, the plurality of the second protrusions are distributed along a circumferential direction of the first bearing.
Optionally, the first bearing is provided with a first groove and at least one second groove, the first groove and the at least one second groove are used for embedding the casing, and the first groove and the at least one second groove are communicated with each other.
Optionally, the casing is provided with a first bump and at least one second bump, the first bump is embedded into the first groove, each second bump is embedded into the corresponding second groove, and the first bump and at least one second bump are connected with each other and integrally formed.
Optionally, the first bearing is provided with a first groove and at least one second groove, the first groove extends along the circumferential direction of the first bearing, each second groove extends along the axial direction of the first bearing, and the width of the second groove is larger than that of the first groove in the axial direction of the first bearing.
Optionally, a plurality of lubricating pieces are arranged on the inner side surface of the first bearing, the motor further comprises a second assembly, the second assembly comprises a second mandrel, the second mandrel is mounted on the first bearing so that the first bearing and the second mandrel can move relatively, and the plurality of lubricating pieces are suitable for being abutted against the second mandrel.
Optionally, the lubricant is a graphite cylinder.
Optionally, the first bearing is provided with a plurality of mounting holes penetrating through an inner side surface of the first bearing, and the plurality of mounting holes are used for mounting the lubricant.
Optionally, the first bearing is provided with a first groove for embedding the casing, wherein the mounting hole is communicated with the first groove.
Optionally, the first bearing is provided with at least one second groove for embedding the casing, wherein the mounting hole is communicated with at least one second groove.
Optionally, the first bearing is a graphite copper bearing.
Optionally, the motor further includes a second assembly, the second assembly includes a second mandrel, the second mandrel is mounted on the first bearing so that the first bearing and the second mandrel relatively move, and the first bearing is sleeved on the outer side of the second mandrel.
Optionally, the first assembly further comprises a first mandrel, the motor further comprises a second assembly comprising a second mandrel, the second mandrel is suitable for being mounted on the first mandrel and the first bearing so that the first bearing and the first mandrel can move relative to the second mandrel, and the first bearing and the first mandrel are coaxially arranged.
Optionally, the first bearing and the first spindle have a coaxiality in the range of 0 to 0.015 millimeters.
According to a second aspect of the present application there is provided a suspension comprising an electric machine as described in any one of the embodiments above.
According to a third aspect of the present application there is also provided a vehicle comprising an electric machine as described in any of the embodiments above, or comprising a suspension as described in the embodiments above.
In the motor provided by the embodiment of the application, the first bearing is embedded into the shell, so that the first bearing is limited by the shell and is not easy to separate from a bearing installation position.
Additional features and advantages of the application will be set forth in the detailed description which follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the application and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
For a more complete understanding of the present application and the advantages thereof, reference is now made to the following descriptions taken in conjunction with the accompanying drawings, in which like reference numerals represent like parts throughout the following description.
Fig. 1 is a schematic structural view of an electric motor provided in an exemplary embodiment of the present disclosure;
FIG. 2 is a schematic cross-sectional view of a motor provided in an exemplary embodiment of the present disclosure at section A-A in FIG. 1;
FIG. 3 is an enlarged schematic view of a particular area of FIG. 2 of a motor provided in an exemplary embodiment of the present disclosure;
FIG. 4 is an exploded schematic view of a housing and a first bearing in an electric motor provided in an exemplary embodiment of the present disclosure;
FIG. 5 is a schematic structural view of a first bearing in an electric motor provided in an exemplary embodiment of the present disclosure;
FIG. 6 is a schematic top view of a first bearing in an electric machine provided in an exemplary embodiment of the present disclosure;
Fig. 7 is a schematic structural view of a casing in a motor provided in an exemplary embodiment of the present disclosure.
Reference numerals illustrate:
1. A motor;
2. the first bearing, 21, the first groove, 22, the second groove;
3. 31, first protruding block, 32, second protruding block;
4. Lubrication piece, 5, first assembly, 51, first mandrel, 6, second assembly, 61, second mandrel, 7, mounting hole, 8, second bearing, 9, specific area.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present application based on the embodiments of the present application.
Referring to fig. 1, 2, 3 and 4, fig. 3 is an enlarged schematic view of a specific area 9 in fig. 2, and the motor 1 provided by the present disclosure includes a first component 5, where the first component 5 includes a housing 3 and a first bearing 2, and the first bearing 2 is embedded in the housing 3.
It will be appreciated that the first bearing 2 is embedded within the housing 3 to prevent the first bearing 2 from falling out.
In this embodiment, the first bearing 2 is embedded into the casing 3, so that the first bearing 2 is limited by the casing 3 and is not easy to separate from the bearing installation position, thereby alleviating the technical problem that the first bearing 2 is at risk of separating from the bearing installation position in the prior art.
In one embodiment, the housing 3 is adapted to be obtained by curing and molding in a mold, in the cavity of which the first bearing 2 is placed in advance.
It will be appreciated that having the first bearing 2 embedded within the housing 3 ensures that the first bearing 2 does not fall out with movement of the components within the motor 1.
In one embodiment, the solidification molding is metal casting molding.
It will be appreciated that the metal casting is advantageous for achieving an integral formation of the first bearing 2 and the housing 3, thereby allowing the first bearing 2 to be stably embedded in the housing 3 and improving the accuracy of the movement of the motor 1.
It can be appreciated that the casing 3 embedded with the first bearing 2 is formed by metal casting, so that subsequent assembly of the first bearing 2 and the casing 3 is not required, the process can be simplified, and the cost is reduced.
In one embodiment, referring to fig. 4 and 5, the first bearing 2 is provided with a first groove 21, the housing 3 is provided with a first protrusion 31, and the first protrusion 31 is embedded in the first groove 21.
It can be understood that the first bearing 2 and the casing 3 are clamped by the first protruding block 31 and the first groove 21, and the axial limit of the first bearing 2 is realized by the clamping of the first protruding block 31 and the first groove 21, so as to improve the bonding strength between the casing 3 and the first bearing 2 and prevent the first bearing 2 from falling off.
In other embodiments, the first recess 21 may be disposed in the housing 3, and the first protrusion 31 may be disposed in the first bearing 2.
In one embodiment, referring to fig. 4 and 5, the first groove 21 extends along the circumferential direction of the first bearing 2 and is disposed on the outer side surface of the first bearing 2.
Wherein, two adjacent first grooves 21 are arranged at intervals.
The first bump 31 extends along a circumferential direction and is engaged with the first groove 21.
Wherein the first groove 21 is provided with a first axial limiting surface and a second axial limiting surface.
Wherein, the first bump 31 is formed with a third axial limiting surface corresponding to the first axial limiting surface and a fourth axial limiting surface corresponding to the second axial limiting surface.
It can be appreciated that the first axial limiting surface abuts against the third axial limiting surface, and the second axial limiting surface abuts against the fourth axial limiting surface, so as to realize axial limiting on the first bearing 2 through the casing 3.
In one embodiment, referring to fig. 4, 5 and 6, the first bearing 2 is provided with at least one second groove 22, the casing 3 is provided with at least one second protrusion 32, and each second protrusion 32 is embedded in the corresponding second groove 22.
It can be understood that the first bearing 2 and the casing 3 are further clamped by the second protruding block 32 and the second groove 22, and the circumferential limit of the first bearing 2 is realized by clamping the second protruding block 32 and the second groove 22, so that the bonding strength between the casing 3 and the first bearing 2 is further improved, and the first bearing 2 is prevented from falling off.
In other embodiments, the second recess 22 may be disposed in the housing 3, and the second protrusion 32 may be disposed in the first bearing 2.
In one embodiment, referring to fig. 4, 5 and 6, each second groove 22 extends along the axial direction of the first bearing 2 and is disposed on the outer side surface of the first bearing 2.
Wherein, two adjacent second grooves 22 are arranged at intervals.
Wherein the second protrusion 32 extends axially and engages with the second recess 22.
Wherein the second groove 22 is provided with a first circumferential limit surface and a second circumferential limit surface.
Wherein, the second bump 32 is formed with a third circumferential limit surface corresponding to the first circumferential limit surface and a fourth circumferential limit surface corresponding to the second circumferential limit surface.
It can be appreciated that the first circumferential limit surface abuts against the third circumferential limit surface, and the second circumferential limit surface abuts against the fourth circumferential limit surface, so as to realize circumferential limit on the first bearing 2 through the casing 3.
In one embodiment, referring to fig. 5 and 6, the at least one second groove 22 includes a plurality of second grooves 22, and the plurality of second grooves 22 are distributed along the circumference of the first bearing 2.
The second grooves 22 are respectively engaged with the corresponding second bumps 32 on the casing 3.
It can be appreciated that the first bearing 2 is prevented from falling off in the axial direction by the plurality of second grooves 22 respectively engaging with the plurality of second protrusions 32.
In one embodiment, referring to fig. 4 and 5, the first bearing 2 is provided with a first groove 21 and at least one second groove 22, wherein the first groove 21 and the at least one second groove 22 are used for embedding the casing 3, and the first groove 21 and the at least one second groove 22 are mutually communicated.
It can be appreciated that by making the first groove 21 and the at least one second groove 22 communicate with each other, the area of the outer periphery of the first bearing 2 is effectively utilized, and the abutment area between the first bearing 2 and the casing 3 for axial limitation and circumferential limitation is increased.
In one embodiment, referring to fig. 4 and 7, the casing 3 is provided with a first bump 31 and at least one second bump 32, the first bump 31 is embedded in the first groove 21, each second bump 32 is embedded in the corresponding second groove 22, and the first bump 31 and the at least one second bump 32 are connected and integrally formed.
It is understood that the first bump 31 and the second bump 32 may be manufactured by the same process, and the first bump 31 and the second bump 32 may be manufactured by the same material, thereby reducing the cost.
In one embodiment, referring to fig. 5 and 6, the first bearing 2 is provided with a first groove 21 and at least one second groove 22, the first groove 21 extends along the circumferential direction of the first bearing 2, and each second groove 22 extends along the axial direction of the first bearing 2, wherein the width of the second groove 22 is larger than the width of the first groove 21 in the axial direction of the first bearing 2.
It will be appreciated that the second groove 22 has a width in the axial direction greater than that of the first groove 21, for forming a first circumferential limit surface and a second circumferential limit surface on both circumferential sides of the second groove 22, respectively, to limit the first bearing 2 in the circumferential direction.
In one embodiment, referring to fig. 5 and 6, the inner side surface of the first bearing 2 is provided with a plurality of lubricators 4, the motor 1 further comprises a second assembly 6, the second assembly 6 comprises a second mandrel 61, the second mandrel 61 is mounted on the first bearing 2 to enable the first bearing 2 and the second mandrel 61 to move relatively, and the plurality of lubricators 4 are suitable for abutting against the second mandrel 61.
It will be appreciated that the lubrication surface of the lubrication 4 abuts the second spindle 61, thereby reducing the friction of contact between the second spindle 61 and the first bearing 2, facilitating axial movement of the first bearing 2 relative to the second spindle 61.
In one embodiment, the lubricant 4 is a graphite cylinder.
It can be appreciated that the graphite column has the characteristics of strong self-lubricity, wear resistance and high temperature resistance, and can prolong the service lives of the lubricating piece 4 and the first bearing 2.
In one embodiment, referring to fig. 5 and 6, the first bearing 2 is provided with a plurality of mounting holes 7 penetrating the inner side surface of the first bearing 2, the plurality of mounting holes 7 being for mounting the lubricant 4.
Wherein the mounting hole 7 may be a circular hole.
Wherein the plurality of mounting holes 7 may be uniformly provided on the inner side surface of the first bearing 2.
Wherein the mounting hole 7 may penetrate the inner side surface of the first bearing 2, and the lubricant 4 penetrates the mounting hole 7 to achieve fixation with the first bearing 2.
It will be appreciated that by forming a plurality of mounting holes 7 in the inner side of the first bearing 2, it is advantageous to secure the lubricant 4, enhancing the stability of the mounting between the lubricant 4 and the first bearing 2.
In one embodiment, referring to fig. 4 and 5, the first bearing 2 is provided with a first groove 21 for the housing 3 to be embedded, wherein the mounting hole 7 communicates with the first groove 21.
It will be appreciated that the mounting hole 7 communicates with the first recess 21, and that in terms of process, the first recess 21 and the mounting hole 7 may be manufactured by one process, thereby simplifying the process while reducing the cost.
In one embodiment, the first bearing 2 is provided with at least one second groove 22 for the housing 3 to be embedded, wherein the mounting hole 7 communicates with the at least one second groove 22.
It will be appreciated that the mounting hole 7 communicates with the second recess 22, and that in terms of process, the second recess 22 and the mounting hole 7 may be manufactured by one process, thereby simplifying the process while reducing the cost.
It should be noted that when the first groove 21 is communicated with the second groove 22, a groove, the second groove 22 and the mounting hole 7 can be prepared by one process, which further simplifies the process.
In one embodiment, the first bearing 2 is a graphite copper bearing.
It is understood that the graphite copper bearing has self-lubricating properties, and can maintain high lubricating properties even in the absence of external lubrication, reducing friction and wear itself.
In one embodiment, referring to fig. 1, 2 and 3, the motor 1 further includes a second assembly 6, the second assembly 6 includes a second spindle 61, and the second spindle 61 is mounted on the first bearing 2 to enable the first bearing 2 and the second spindle 61 to move relatively, wherein the first bearing 2 is sleeved on the outer side of the second spindle 61.
Wherein the second component 6 may be a stator component and the second mandrel 61 may be a stator mandrel.
It will be appreciated that the first bearing 2 is sleeved on the outer peripheral side of the second spindle 61, and can move along with the casing 3 along the axial direction of the second spindle 61, so as to realize the relative movement of the first bearing 2 and the second spindle 61.
In one embodiment, referring to fig. 1, 2 and 3, the first assembly 5 further comprises a first mandrel 51, the motor 1 further comprises a second assembly 6, the second assembly 6 comprises a second mandrel 61, the second mandrel 61 is adapted to be mounted to the first mandrel 51 and the first bearing 2 to move the first bearing 2 and the first mandrel 51 relative to the second mandrel 61, wherein the first bearing 2 and the first mandrel 51 are coaxially arranged.
The first component 5 may be a mover component, and the first mandrel 51 may be a mover mandrel.
It will be appreciated that the first spindle 51 and the first bearing 2 are both mated with the second spindle 61, and that the first bearing 2 and the first spindle 51 are coaxially disposed to improve the coaxiality of the first bearing 2 and the first spindle 51.
In one embodiment, referring to fig. 1, 2 and 3, the coaxiality of the first bearing 2 and the first mandrel 51 ranges from 0 to 0.015 mm.
It can be understood that the first bearing 2 and the casing 3 are combined into an integral part, so that a plurality of axial limiting surfaces and circumferential limiting surfaces are formed on the first bearing 2 and the casing 3, the first bearing 2 is embedded into the casing 3, and the casing 3 is utilized to limit the first bearing 2 in the axial and circumferential directions.
It can be understood that the first bearing 2 and the casing 3 can be machined together, and the mode that the first bearing 2 is pressed into the casing 3 is adopted, so that the mechanical manufacturing error caused by secondary assembly of the first bearing 2 is avoided, the coaxiality of the first bearing 2 can be reduced to be below 0.015 millimeter, the motion precision of the motor 1 can be effectively improved, the neutrality of the mover assembly during motion is ensured, the thrust and the tensile of the motor 1 are stably output, and the service life of parts and the whole structure of the motor 1 is prolonged.
In one embodiment, referring to fig. 1, 2 and 3, the stator further includes a second bearing 8, where the second bearing 8 is sleeved on the lower end of the stator core shaft.
Wherein the second bearing 8 may be a graphite copper bearing.
It will be appreciated that the second bearing 8 is interference fitted to the outer peripheral side of the stator core shaft to avoid the second bearing 8 from falling off.
According to a second aspect of the present disclosure, there is provided a suspension comprising an electric machine 1 as in any of the embodiments described above.
According to a third aspect of the present disclosure, there is provided a vehicle comprising the motor 1 or the suspension of any of the above embodiments, which vehicle has all the advantages of the motor 1 or the suspension of any of the embodiments, and the disclosure is not repeated herein.
The vehicle may be a fuel-fired vehicle, a plug-in hybrid vehicle, a new energy vehicle, or the like, as not specifically limited in this disclosure.
In the description of the present application, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying 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 one or more features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.
The embodiments, the implementation modes and the related technical features of the application can be mutually combined and replaced under the condition of no conflict.
The foregoing is only a preferred embodiment of the present application, and is not intended to limit the present application in any way, but any simple modification, equivalent variation and modification made to the above embodiment according to the technical matter of the present application still fall within the scope of the technical solution of the present application.
Claims (22)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422905613.1U CN223514707U (en) | 2024-11-25 | 2024-11-25 | Motor, suspension and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422905613.1U CN223514707U (en) | 2024-11-25 | 2024-11-25 | Motor, suspension and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223514707U true CN223514707U (en) | 2025-11-04 |
Family
ID=97516311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422905613.1U Active CN223514707U (en) | 2024-11-25 | 2024-11-25 | Motor, suspension and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223514707U (en) |
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2024
- 2024-11-25 CN CN202422905613.1U patent/CN223514707U/en active Active
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