CN211127332U - Motor structure device with brake and parking brake for electric vehicle - Google Patents
Motor structure device with brake and parking brake for electric vehicle Download PDFInfo
- Publication number
- CN211127332U CN211127332U CN201921808058.3U CN201921808058U CN211127332U CN 211127332 U CN211127332 U CN 211127332U CN 201921808058 U CN201921808058 U CN 201921808058U CN 211127332 U CN211127332 U CN 211127332U
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- brake
- parking brake
- end cover
- sleeved
- mounting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to a motor structure device with a brake and a parking brake for an electric vehicle, which comprises a shell, a motor, a brake and a brake, wherein the shell comprises a front end cover and a rear end cover which are mutually matched and connected, and an installation cavity is arranged between the front end cover and the rear end cover; the parking brake installation rotating shaft is provided with a parking brake, and one end of the parking brake installation rotating shaft, which is far away from the front end cover, is sleeved with the parking brake; the rotor is sleeved in the mounting cavity and outside the mounting rotating shaft with the parking brake; the stator is sleeved in the mounting cavity and outside the rotor; the water-cooling water channel comprises a ring-shaped body sleeved outside the stator and a groove back to the opening of the stator; the three-phase junction box is connected to the rear end cover and is provided with a wiring cavity communicated with the mounting cavity; the rotary position component is sleeved on the rotor and between the mounting rotating shaft with the parking brake and the rear end cover; and the brake is integrated on the shell.
Description
Technical Field
The utility model relates to an electric automobile drives technical field, especially relates to an electric motor car area brake and parking brake's motor structure device.
Background
At present, an electric automobile adopts a hub motor structure, a motor is of a natural air cooling structure, and a parking brake and a motor body are of a split structure. Because of natural air cooling, the heat dissipation effect is not good, and the efficiency is not high; the parking brake and the motor body are of a split structure, and therefore the parking brake and the motor body occupy a large space, are complex in process and high in cost.
SUMMERY OF THE UTILITY MODEL
In view of the above circumstances, it is desirable to provide a motor structure device with a brake and a parking brake for an electric vehicle, which has a good heat dissipation effect.
In order to solve the technical problem, the utility model discloses a technical scheme be: a motor structure device with a brake and a parking brake for an electric vehicle comprises a shell, a front end cover, a rear end cover, a motor and a brake, wherein the shell comprises a front end cover and a rear end cover which are mutually matched and connected; the parking brake installation rotating shaft is provided with a parking brake, and one end of the parking brake installation rotating shaft, which is far away from the front end cover, is sleeved with the parking brake; the rotor is sleeved in the mounting cavity and outside the mounting rotating shaft with the parking brake; the stator is sleeved in the mounting cavity and outside the rotor; the water-cooling water channel comprises a ring-shaped body sleeved outside the stator and a groove back to the opening of the stator; the three-phase junction box is connected to the rear end cover and is provided with a wiring cavity communicated with the mounting cavity; the rotary position component is sleeved on the rotor and between the mounting rotating shaft with the parking brake and the rear end cover; and the brake is integrated on the shell.
Furthermore, the rear end cap is provided with a mounting groove which faces away from the opening of the front end cap, the brake is positioned in the mounting groove, and the mounting groove is matched with the dust cover in a matched manner.
Furthermore, the three-phase junction box is radially avoided the groove and is connected to the rear end cover.
Furthermore, the front end cover is provided with a bearing chamber, and two brake brakes are respectively arranged in the mounting cavity and at the two radial ends of the bearing chamber.
Further, the rotary position component comprises a reluctance type rotary transformer.
The beneficial effects of the utility model reside in that: the water-cooling water channel is arranged outside the stator, and the water-cooling water channel is provided with the groove structure, so that the strength of the motor body is improved, the heat dissipation capacity of the motor body is improved, and the efficiency of the motor is improved; the motor body is integrated with the brake and the parking brake, the brake is integrated on the end cover, and the parking brake is integrated on the installation rotating shaft with the parking brake, so that the space and the cost are saved, and the assembly process is simplified.
Drawings
Fig. 1 is a schematic structural diagram of a motor structural device with a brake and a parking brake for an electric vehicle according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a front end cover of a motor structural device with a brake and a parking brake of an electric vehicle according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an appearance of a motor structural device with a brake and a parking brake for an electric vehicle according to an embodiment of the present invention.
Description of reference numerals:
100. a housing; 110. a front end cover; 111. a brake actuator; 112. a bearing chamber; 120. a rear end cap;
121. mounting grooves; 122. a dust cover; 130. installing a cavity; 200. a rotating shaft is installed with a parking brake;
210. a parking brake; 300. a rotor; 400. a stator; 500. a water-cooled water channel; 510. a groove;
600. a three-phase junction box; 700. a rotary displacement assembly;
Detailed Description
In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the following description is made in conjunction with the accompanying drawings and embodiments, and the present invention is described in further detail with reference to the motor structure device with brake and parking brake for electric vehicle. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1 to 3, a motor structure device with a brake and a parking brake for an electric vehicle includes a housing 100 including a front cover 110 and a rear cover 120 cooperatively connected with each other, a mounting cavity 130 is formed between the front cover 110 and the rear cover 120; a rotating shaft 200 with a parking brake is arranged, and a parking brake 210 is sleeved on one end of the rotating shaft 200 with the parking brake, which is far away from the front end cover 110; the rotor 300 is sleeved in the mounting cavity 130 and outside the mounting rotating shaft 200 with the parking brake; a stator 400 sleeved in the mounting cavity 130 and outside the rotor 300; the water-cooling water channel 500 comprises a ring-shaped body sleeved outside the stator 400 and a groove 510 which is opened back to the stator 400; the three-phase junction box 600 is connected to the rear end cover 120 and is provided with a wiring cavity communicated with the mounting cavity 130; a rotation position assembly 700 sleeved on the rotor 300 and between the installation rotating shaft 200 with the parking brake and the rear end cover 120; and a brake actuator 111 integrated with the housing 100.
The water-cooling water channel 500 is arranged outside the stator 400, and the water-cooling water channel 500 is provided with the groove 510 structure, so that the strength of the motor body is improved, the heat dissipation capacity of the motor body is improved, and the efficiency of the motor is improved; the brake and the parking brake 210 are integrated on the motor body, the brake 111 is integrated on the end cover, and the parking brake 210 is integrated on the installation rotating shaft 200 with the parking brake, so that the space and the cost are saved, and the assembly process is simplified.
Referring to fig. 1, the rear cover 120 is provided with a mounting groove 121 opening away from the front cover 110, the brake 111 is located in the mounting groove 121, and the mounting groove 121 is matched with a dust cover 122. The rear end cover 120 is provided with a mounting groove 121, and the brake actuator 111 is positioned in the mounting groove 121, so that the structure is compact, and the whole volume is small.
Referring to fig. 1 and 3, the three-phase junction box 600 is connected to the rear cover 120 while avoiding the groove 510 in a radial direction. Convenient wiring, reduced wire length, and avoidance of interference with motor operation.
Referring to fig. 1-2, the front end cap 110 has a bearing chamber 112, and two brake stoppers 111 are respectively disposed in the mounting cavity 130 and at two radial ends of the bearing chamber 112. The structure position is reasonable, and the wiring is convenient.
As a preferred mode of the present invention, the rotary displacement assembly 700 includes a reluctance type rotary transformer. The reluctance type rotary transformer is a rotary transformer which utilizes the variation of air gap reluctance to output signal variation, and is an angle sensing element which utilizes the variation of air gap and reluctance to make the induced voltage of an output winding perform corresponding sine or cosine variation at a mechanical corner according to the electromagnetic induction principle. The operating condition of the motor can be detected by the reluctance type resolver.
To sum up, the utility model provides a pair of motor structure device of electric motor car area brake and parking brake has increased motor body heat-sinking capability, has improved motor body intensity, has improved motor efficiency, submits for a short time, and is with low costs, has simplified assembly process.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description in any form, and although the present invention has been disclosed with reference to the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment of the above embodiments without departing from the scope of the present invention.
Claims (5)
1. The utility model provides an electric motor car area brake and parking brake's motor structure device which characterized in that includes:
the shell comprises a front end cover and a rear end cover which are mutually matched and connected, and an installation cavity is arranged between the front end cover and the rear end cover;
the parking brake installation rotating shaft is provided with a parking brake, and one end of the parking brake installation rotating shaft, which is far away from the front end cover, is sleeved with the parking brake;
the rotor is sleeved in the mounting cavity and outside the mounting rotating shaft with the parking brake;
the stator is sleeved in the mounting cavity and outside the rotor;
the water-cooling water channel comprises a ring-shaped body sleeved outside the stator and a groove back to the opening of the stator;
the three-phase junction box is connected to the rear end cover and is provided with a wiring cavity communicated with the mounting cavity;
the rotary position component is sleeved on the rotor and between the mounting rotating shaft with the parking brake and the rear end cover;
and the brake is integrated on the shell.
2. The structural device of an electric motor car with a brake and a parking brake as claimed in claim 1, wherein said rear cover has a mounting groove opening away from said front cover, said brake is located in said mounting groove, and said mounting groove is fitted with a corresponding dust cover.
3. The structural motor arrangement with brake and parking brake of electric vehicle as claimed in claim 2, wherein said three-phase junction box is connected to said rear end cap radially avoiding said recess.
4. The structural device of an electric motor car with a brake and a parking brake as claimed in claim 1, wherein said front end cover is provided with a bearing chamber, and two brake brakes are respectively provided in said mounting cavity and at both radial ends of said bearing chamber.
5. The structural device of an electric motor car with brake and parking brake as claimed in claim 1, wherein said rotary position assembly comprises a reluctance type resolver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921808058.3U CN211127332U (en) | 2019-10-25 | 2019-10-25 | Motor structure device with brake and parking brake for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921808058.3U CN211127332U (en) | 2019-10-25 | 2019-10-25 | Motor structure device with brake and parking brake for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211127332U true CN211127332U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921808058.3U Active CN211127332U (en) | 2019-10-25 | 2019-10-25 | Motor structure device with brake and parking brake for electric vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN211127332U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114024387A (en) * | 2021-11-05 | 2022-02-08 | 宁德时代电机科技有限公司 | High-efficiency high-power-density water-cooling permanent magnet motor for wheel-side bridge |
-
2019
- 2019-10-25 CN CN201921808058.3U patent/CN211127332U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114024387A (en) * | 2021-11-05 | 2022-02-08 | 宁德时代电机科技有限公司 | High-efficiency high-power-density water-cooling permanent magnet motor for wheel-side bridge |
| CN114024387B (en) * | 2021-11-05 | 2023-08-29 | 宁德时代电机科技有限公司 | Wheel-side bridge high-efficiency high-power-density water-cooling permanent magnet motor |
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