CN213072281U - Motor casing, in-wheel motor and car - Google Patents
Motor casing, in-wheel motor and car Download PDFInfo
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- CN213072281U CN213072281U CN202022333527.XU CN202022333527U CN213072281U CN 213072281 U CN213072281 U CN 213072281U CN 202022333527 U CN202022333527 U CN 202022333527U CN 213072281 U CN213072281 U CN 213072281U
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- end cover
- sealing element
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Abstract
The utility model relates to a motor manufacturing technology field particularly, relates to a motor casing, in-wheel motor and car. A motor shell comprises an end cover, a rotor shell, a foam sealing element and a rubber sealing element; the end cover is connected with the rotor shell; the foam sealing element and the rubber sealing element are arranged at the joint of the end cover and the rotor shell around the central axis of the rotor shell, and are sequentially arranged along the direction from the outside of the joint to the inside of the joint. The motor shell can still keep waterproof performance after long-term use.
Description
Technical Field
The utility model relates to a motor manufacturing technology field particularly, relates to a motor casing, in-wheel motor and car.
Background
In order to prevent water from entering the interior of the in-wheel motor, the protection level of the in-wheel motor is I P67 or I P68. The traditional waterproof structure of the hub motor is provided with a sealing ring or a sealing element, the sealing element is usually made of rubber, and the elasticity of the rubber is utilized to realize space sealing. However, it is difficult to maintain the waterproof property after long-term use of rubber due to problems in the manufacturing process or the processing precision during the sealing process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a motor casing, in-wheel motor and car, it can still keep waterproof performance after long-term the use.
The embodiment of the utility model is realized like this:
in a first aspect, an embodiment of the present invention provides a motor housing, which includes an end cover, a rotor housing, a foam sealing element, and a rubber sealing element;
the end cover is connected with the rotor shell;
the foam sealing element and the rubber sealing element are arranged at the joint of the end cover and the rotor shell around the central axis of the rotor shell, and are sequentially arranged along the direction from the outside of the joint to the inside of the joint.
In an alternative embodiment, the foam seal is located inboard of the junction of the end cap and the rotor housing and the rubber seal is located outboard of the junction of the end cap and the rotor housing.
In an alternative embodiment, the motor housing further comprises a plurality of connecting bolts, and the end cover and the rotor housing are provided with a plurality of screw holes; the connecting bolts are matched with the screw holes in a one-to-one correspondence manner so as to connect the end cover and the rotor shell;
the rubber sealing element is sleeved on the connecting bolt and is positioned between the contact surfaces of the end cover and the rotor shell.
In an alternative embodiment, the motor housing further comprises a plurality of connecting bolts, and the end cover and the rotor housing are provided with a plurality of screw holes; the connecting bolts are matched with the screw holes in a one-to-one correspondence manner so as to connect the end cover and the rotor shell;
the rubber sealing element is sleeved on the connecting bolt and is positioned between the head part of the connecting bolt and the abutting surface of the end cover or between the head part of the connecting bolt and the abutting surface of the rotor shell.
In an alternative embodiment, a foam seal is located within the rotor housing between and abutting the end cap and the rotor core.
In an alternative embodiment, the foam seal is a foam seal ring and the rubber seal is a rubber seal ring.
In an alternative embodiment, the foam seal is connected to the end cap or to the rotor housing.
In alternative embodiments, the foam seal is bonded to the end cap or to the rotor housing.
In a second aspect, an embodiment of the present invention provides an in-wheel motor, which includes the above-mentioned motor housing.
The third aspect, the embodiment of the utility model provides an automobile, automobile include foretell in-wheel motor.
The utility model discloses beneficial effect includes:
the motor housing includes an end cap, a rotor housing, a foam seal, and a rubber seal. The foam sealing element and the rubber sealing element are arranged at the joint of the end cover and the rotor shell around the central axis of the rotor shell so as to seal the joint of the end cover and the rotor shell. When arranging foam sealing element and rubber sealing element, along the direction in the joint outside to the joint, rubber sealing element sets gradually with the foam sealing element, promptly at the in-process of sealing end cover and rotor housing joint, the foam sealing element seals end cover and rotor housing joint on rubber sealing element's basis to make end cover and rotor housing joint possess twice seal structure.
In addition, in the process of sealing the joint of the end cover and the rotor shell by the foam sealing element and the rubber sealing element, the rubber sealing element adopts the principle of separation to separate the joint of the end cover and the rotor shell from the outside; the foam sealing element adopts the absorption and blocking principle, and absorbs a small amount of water entering the joint through the rubber sealing element, so that the water is blocked from flowing to the inside of the motor shell, and the motor shell can still keep the waterproof performance after being used for a long time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a partial schematic view of a motor housing according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the position of a foam sealing member according to an embodiment of the present invention;
fig. 3 is a partial enlarged view of fig. 2 at iii.
100-motor shell; 110-an end cap; 120-a rotor housing; 130-a foam seal; 140-rubber seals; 150-connecting bolts; 151-screw holes; 210-rotor core.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 3, fig. 1 to 3 show a structure of a motor housing according to an embodiment of the present invention; the present embodiment provides a motor housing 100, the motor housing 100 including an end cap 110, a rotor housing 120, a foam seal 130, and a rubber seal 140; the end cover 110 is connected to the rotor housing 120.
The foam sealing member 130 and the rubber sealing member 140 are disposed at the joint of the end cover 110 and the rotor housing 120 around the central axis of the rotor housing 120, and the rubber sealing member 140 and the foam sealing member 130 are sequentially disposed along the direction from the outside of the joint to the inside of the joint.
The motor housing 100 operates on the following principle:
the motor housing 100 includes an end cap 110, a rotor housing 120, a foam seal 130, and a rubber seal 140. The foam sealing element 130 and the rubber sealing element 140 are disposed at the joint of the end cover 110 and the rotor housing 120 around the central axis of the rotor housing 120, so as to seal the joint of the end cover 110 and the rotor housing 120. When the foam sealing member 130 and the rubber sealing member 140 are arranged, and the rubber sealing member 140 and the foam sealing member 130 are sequentially arranged along the direction from the outside of the joint to the inside of the joint, that is, in the process of sealing the joint of the end cover 110 and the rotor housing 120, the foam sealing member 130 seals the joint of the end cover 110 and the rotor housing 120 on the basis of the rubber sealing member 140, so that the joint of the end cover 110 and the rotor housing 120 has two sealing structures.
In addition, in the process of sealing the joint of the end cover 110 and the rotor housing 120 by the foam sealing element 130 and the rubber sealing element 140, the rubber sealing element 140 adopts the principle of blocking to isolate the joint of the end cover 110 and the rotor housing 120 from the outside; the foam sealing member 130 absorbs a small amount of water entering the joint through the rubber sealing member 140 by using an absorption and blocking principle, so as to block the water from flowing into the motor housing 100, thereby ensuring that the motor housing 100 can maintain waterproof performance after long-term use.
Further, referring to fig. 1-3, in the present embodiment, when the foam sealing member 130 and the rubber sealing member 140 are disposed, the foam sealing member 130 is located inside the joint of the end cover 110 and the rotor housing 120, and the rubber sealing member 140 is located outside the joint of the end cover 110 and the rotor housing 120; this arrangement allows the foam seal 130 to be positioned relatively within the motor housing 100, thereby preventing the foam seal 130 from being deformed by external forces from being squeezed.
In the present embodiment, when the end cover 110 and the rotor housing 120 are connected, the end cover 110 and the rotor housing 120 are connected by bolts, that is, the motor housing 100 further includes a plurality of connecting bolts 150, and both the end cover 110 and the rotor housing 120 are provided with a plurality of screw holes 151; the plurality of connecting bolts 150 are correspondingly engaged with the plurality of screw holes 151 to connect the end cover 110 and the rotor housing 120. The rubber seal 140 is sleeved on the connection bolt 150 and located between the contact surfaces of the end cover 110 and the rotor housing 120. That is, the rubber seal 140 is installed between the contact surfaces of the end cover 110 and the rotor housing 120, and a certain pressing force can be applied to the rubber seal by the connection bolt 150, so that the rubber seal is ensured to be in close contact with the end cover 110 and the rotor housing 120, a gap at the joint of the end cover 110 and the rotor housing 120 is reduced, and the sealing performance is improved.
In other embodiments of the present invention, the rubber sealing member 140 may be disposed between the head of the connecting bolt 150 and the abutting surface of the end cap 110, or between the head of the connecting bolt 150 and the abutting surface of the rotor housing 120, according to the same principle as the rubber sealing member 140.
Further, referring to fig. 1, in the present embodiment, as can be seen from the above, in the present embodiment, the foam sealing element 130 is disposed in the rotor housing 120, and the rotor core 210 is disposed in the rotor housing 120, so as to prevent the foam sealing ring from slipping in the rotor housing 120, the foam sealing element 130 can be located between the rotor core 210 and the end cover 110 in the rotor housing 120, and abut against the end cover 110 and the rotor core 210.
In the present embodiment, the foam sealing element 130 is a foam sealing ring, and the rubber sealing element 140 is a rubber sealing ring; in order to improve the installation stability of the foam seal 130 and the rubber seal 140 when installing the foam seal 130 and the rubber seal 140, both the foam seal 130 and the rubber seal 140 may be connected to the end cover 110 or the rotor housing 120 by using an adhesive.
Based on the above motor housing 100, the embodiment of the present invention provides an in-wheel motor, which includes the above motor housing 100.
Based on foretell in-wheel motor, the embodiment of the utility model provides an automobile, automobile include foretell in-wheel motor.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A motor housing, characterized by:
the motor shell comprises an end cover, a rotor shell, a foam sealing element and a rubber sealing element;
the end cover is connected with the rotor shell;
the foam sealing element reaches the rubber sealing element all winds the central axis of the rotor shell is arranged at the joint of the end cover and the rotor shell and follows the joint from the outside to the direction in the joint, and the rubber sealing element and the foam sealing element are sequentially arranged.
2. The motor housing of claim 1, wherein:
the foam sealing element is positioned on the inner side of the joint of the end cover and the rotor shell, and the rubber sealing element is positioned on the outer side of the joint of the end cover and the rotor shell.
3. The motor housing of claim 1, wherein:
the motor shell also comprises a plurality of connecting bolts, and the end cover and the rotor shell are provided with a plurality of screw holes; the connecting bolts are matched with the screw holes in a one-to-one corresponding mode so as to connect the end cover and the rotor shell;
the rubber sealing element is sleeved on the connecting bolt and is positioned between the end cover and the contact surface of the rotor shell.
4. The motor housing of claim 1, wherein:
the motor shell also comprises a plurality of connecting bolts, and the end cover and the rotor shell are provided with a plurality of screw holes; the connecting bolts are matched with the screw holes in a one-to-one corresponding mode so as to connect the end cover and the rotor shell;
the rubber sealing element is sleeved on the connecting bolt and is positioned between the head of the connecting bolt and the abutting surface of the end cover, or between the head of the connecting bolt and the abutting surface of the rotor shell.
5. The motor housing of claim 1, wherein:
the foam sealing element is located between the rotor core in the rotor shell and the end cover, and is abutted against the end cover and the rotor core.
6. The motor housing of claim 1, wherein:
the foam sealing piece is a foam sealing ring, and the rubber sealing piece is a rubber sealing ring.
7. The motor housing according to any one of claims 1-6, wherein:
the foam sealing element is connected with the end cover or connected with the rotor shell.
8. The motor housing according to claim 7, wherein:
the foam sealing element is bonded with the end cover or the rotor shell.
9. An in-wheel motor characterized by:
the in-wheel motor comprises a motor housing according to any one of claims 1 to 8.
10. An automobile, characterized in that:
the automobile includes the in-wheel motor according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022333527.XU CN213072281U (en) | 2020-10-19 | 2020-10-19 | Motor casing, in-wheel motor and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022333527.XU CN213072281U (en) | 2020-10-19 | 2020-10-19 | Motor casing, in-wheel motor and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213072281U true CN213072281U (en) | 2021-04-27 |
Family
ID=75561868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022333527.XU Active CN213072281U (en) | 2020-10-19 | 2020-10-19 | Motor casing, in-wheel motor and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213072281U (en) |
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2020
- 2020-10-19 CN CN202022333527.XU patent/CN213072281U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221207 Address after: 030000 Rooms 601, 602 and 605, Floor 6, Building 1, No. 4, Dong'e'er Lane, Taiyuan Xuefu Park, Taiyuan Comprehensive Reform Demonstration Zone, Shanxi Province Patentee after: SHANXI DONGHUI NEW ENERGY AUTOMOBILE RESEARCH INSTITUTE Co.,Ltd. Address before: Room c-0063, 2 / F, building 3, yard 30, Shixing street, Shijingshan District, Beijing Patentee before: Beijing Cuifeng Capital Investment Co.,Ltd. |
|
| TR01 | Transfer of patent right |