CN216122065U - Electric monocycle motor with Zhongsheng shaft - Google Patents
Electric monocycle motor with Zhongsheng shaft Download PDFInfo
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- CN216122065U CN216122065U CN202121632155.9U CN202121632155U CN216122065U CN 216122065 U CN216122065 U CN 216122065U CN 202121632155 U CN202121632155 U CN 202121632155U CN 216122065 U CN216122065 U CN 216122065U
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- motor
- main shaft
- full
- stator
- rotor
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- 239000002184 metal Substances 0.000 claims abstract description 42
- 230000001050 lubricating effect Effects 0.000 claims abstract description 19
- 230000007704 transition Effects 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 238000005461 lubrication Methods 0.000 description 33
- 239000007788 liquid Substances 0.000 description 9
- 230000003068 static effect Effects 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of electric bicycles, in particular to a Zhongsheng shaft electric monocycle motor which comprises a main shaft, a hub shell, a stator, a rotor and a lubricating layer, wherein the stator is provided with a through hole, the main shaft penetrates through the through hole, the stator is in interference fit with the main shaft, the hub shell is sleeved on the main shaft and can rotate relative to the main shaft, the rotor is fixedly arranged in the hub shell, and the lubricating layer is arranged in a gap between the rotor and the stator. The motor has the advantages that the lubricating layer of the full-lubricating metal is arranged, the weight of the full-lubricating metal is light, the magnetic field in the motor is not damaged, the lubricating effect is good, the heat dissipation is facilitated, and the efficiency of the motor can be well improved.
Description
Technical Field
The utility model relates to the technical field of electric bicycles, in particular to a motor of a Zhongsheng-axis electric monocycle.
Background
The hub motor is a permanent magnet synchronous motor and has the characteristic of independent driving of a single wheel, so the hub motor is widely applied to electric bicycles, although the hub motor omits a large number of transmission parts, the structure of the bicycle is simpler, and various complex driving modes can be realized, the problems of braking heat and energy consumption are a technical problem in the application of the hub motor.
At present, chinese patent No. CN111162623A discloses a hub motor. The hub motor comprises a fixed shaft, a stator, a shell, a rotor and an external rotary joint, wherein the stator is fixed on the fixed shaft, and the shell is provided with an accommodating cavity for accommodating the stator; a shell liquid flow passage and a shell gas flow passage are arranged on the shell, and a fixed shaft liquid flow passage and a fixed shaft gas flow passage are arranged on the fixed shaft; the shell liquid flow passage is respectively communicated with the fixed shaft liquid flow passage and the external liquid pipeline; one end of the shell gas flow passage is communicated with the accommodating cavity, the other end of the shell gas flow passage is communicated with an external gas pipeline, one end of the fixed shaft gas flow passage is communicated with the accommodating cavity, and the other end of the fixed shaft gas flow passage is communicated with the external gas pipeline; the shell gas flow channel and the shell liquid flow channel are communicated with an external liquid pipeline and an external gas pipeline through an external rotary joint.
The above prior art solutions have the following drawbacks: the motor uses the liquid flow channel for heat dissipation, the requirement on the sealing performance is high, and the structure is complex; the motor using the liquid flow passage has a limited application place and cannot be applied to a power-assisted electric bicycle and an electric monocycle.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a midwifery shaft electric monocycle motor to solve the problems in the prior art.
The technical purpose of the utility model is realized by the following technical scheme:
the utility model provides an electronic wheel barrow motor of well biogenetic axle, includes main shaft, wheel hub shell, stator, rotor and lubricant film, the through-hole has been seted up to the stator, the main shaft passes the through-hole, the stator with main shaft interference fit, wheel hub shell cover is established on the main shaft, the wheel hub shell can with the main shaft can take place relative rotation, rotor fixed mounting be in the wheel hub shell, the rotor with space between the stator is provided with the lubricant film.
In a further embodiment, the lubricating layer includes a first full-lubrication metal shell and a second full-lubrication metal shell, an outer wall of the first full-lubrication metal shell is fixedly connected with an inner wall of the rotor, an inner wall of the second full-lubrication metal shell is fixedly connected with an outer wall of the stator, and the inner wall of the first full-lubrication metal shell is in transition fit with the outer wall of the second full-lubrication metal shell.
In a further embodiment, the main shaft comprises a shaft body and a shaft sleeve, the shaft body is fixedly installed inside the shaft sleeve, an airflow channel is arranged inside the shaft body, an air guide pipeline is arranged at one end of the shaft body and communicated with the airflow channel, and an air interchanger is fixedly connected to one end, far away from the hub shell, of the air guide pipeline.
In a further embodiment, the ventilation device comprises an air inlet pipe, an air outlet pipe and a control box, wherein the air inlet pipe and the air outlet pipe are fixedly arranged on one side of the control box, the air inlet pipe and the air outlet pipe are communicated with the control box, and the air inlet pipe and the air outlet pipe are respectively communicated with the air guide pipeline.
In a further embodiment, the shaft ends of the main shaft are each provided with a protection ring.
In a further embodiment, a hall device is arranged at the joint of the hub shell and the rotor, and the hall device is used for improving the starting and stopping speed of the motor.
In conclusion, the utility model has the following beneficial effects:
1. the lubricating layer is arranged through a gap between the rotor and the stator and comprises a first full-lubrication metal shell and a second full-lubrication metal shell, the outer wall of the first full-lubrication metal shell is fixedly connected with the inner wall of the rotor, the inner wall of the second full-lubrication metal shell is fixedly connected with the outer wall of the stator, and the inner wall of the first full-lubrication metal shell and the outer wall of the second full-lubrication metal shell are in transition fit, so that the effect that the first full-lubrication metal shell is matched with the second full-lubrication metal shell to lubricate the rotor and the stator can be achieved, and meanwhile, the lubricating layer absorbs the heat of the rotor and transmits the heat to the stator;
2. through the main shaft includes axis body and axle sleeve, the axis body fixed mounting is in the inside of axle sleeve, the inside of axis body is provided with the air current passageway, the one end of axis body is provided with the air guide pipeline, the air guide pipeline with the air current passageway intercommunication, the air guide pipeline is kept away from the setting of the one end fixedly connected with breather of wheel hub shell can play breather and ventilate to the inside air current passageway of axis body, and the wind channel absorbs the heat of stator and is discharged by breather again, realizes the radiating effect in closed loop wind channel.
Drawings
FIG. 1 is a cross-sectional view of the motor of the present invention;
fig. 2 is a sectional view of the present invention for embodying the main shaft and the ventilation device.
In the figure, 1, main shaft; 11. a shaft body; 12. a shaft sleeve; 2. a hub shell; 3. a stator; 4. a rotor; 5. a lubricating layer; 51. a first fully lubricated metal shell; 52. a second fully lubricated metal shell; 6. an air flow channel; 7. an air guide duct; 8. a ventilation device; 81. an air inlet pipe; 82. an air outlet pipe; 83. a control box; 9. a guard ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In which like parts are designated by like reference numerals. It should be noted that the terms "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in fig. 1, the terms "bottom" and "top", "inner" and "outer" refer to directions toward and away from a particular component geometry, respectively, and the terms "first" and "second" 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 defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present specification, "plurality" means two or more unless the direction of the center is specifically defined otherwise.
Example 1:
as shown in fig. 1-2, a midwifery shaft electric wheelbarrow motor comprises a main shaft 1, a hub shell 2, a stator 3, a rotor 4 and a lubricating layer 5. The stator 3 is provided with a through hole, the spindle 1 penetrates through the through hole, the stator 3 is in interference fit with the spindle 1, and the stator 3 and the spindle 1 are relatively static. The hub shell 2 is sleeved on the main shaft 1, the hub shell 2 and the main shaft 1 can rotate relatively, the shaft ends of the main shaft 1 are provided with the protection rings 9, the protection rings 9 are used for limiting and lubricating, and abrasion of the hub shell 2 is reduced. Rotor 4 fixed mounting is in wheel hub shell 2, and rotor 4 keeps relative static with wheel hub shell 2, and wheel hub shell 2 and 4 junctions of rotor are provided with hall device, and hall device is used for improving opening of motor and stops speed.
The gap between rotor 4 and stator 3 is provided with lubricating layer 5, and lubricating layer 5's effect is the lubrication of realization rotor and stator, reduces the wearing and tearing energy consumption of rotor 4, and lubricating layer 5 helps the heat dissipation of rotor 4 simultaneously. The lubricating layer 5 comprises a first full-lubrication metal shell 51 and a second full-lubrication metal shell 52, the outer wall of the first full-lubrication metal shell 51 is fixedly connected with the inner wall of the rotor 4, the inner wall of the second full-lubrication metal shell 52 is fixedly connected with the outer wall of the stator 3, and the inner wall of the first full-lubrication metal shell 51 is in transition fit with the outer wall of the second full-lubrication metal shell 52. The full lubrication metal is weak magnetism, does not cause destruction to the inside magnetic field of motor, and the powder that full lubrication metal generated when wearing and tearing can form one deck lubricating layer, improves lubricating property, and the weight of full lubrication metal is lighter in addition, can not influence the rotational speed of rotor 4. The heat generated by the rotor in the rotating process is absorbed by the first full-lubrication metal shell 51, the first full-lubrication metal shell 51 is in contact with the second full-lubrication metal shell 52 and transfers the heat to the second full-lubrication metal shell 52, the second full-lubrication metal shell 52 transfers the heat of the rotor to the stator 3, the stator 3 is fixedly connected with the main shaft 1, and finally the main shaft 1 absorbs the heat on the stator 3.
The main shaft 1 comprises a shaft body 11 and a shaft sleeve 12, the shaft body 11 is fixedly installed inside the shaft sleeve 12, an airflow channel 6 is arranged inside the shaft body 11, an air guide pipeline 7 is arranged at one end of the shaft body 11, the air guide pipeline 7 is communicated with the airflow channel 6, and the air guide pipeline 7 is far away from one end of the hub shell 2 and is fixedly connected with an air exchange device 8. The ventilation device 8 comprises an air inlet pipe 81, an air outlet pipe 82 and a control box 83, the air inlet pipe 81 and the air outlet pipe 82 are fixedly installed on one side of the control box 83, the air inlet pipe 81 and the air outlet pipe 82 are communicated with the control box 83, and the air inlet pipe 81 and the air outlet pipe 82 are respectively communicated with the air guide pipeline 7. The control box 83 controls to absorb outside air, the air enters the air guide channel 7 through the air inlet pipe 81, the heat of the absorption shaft body 11 in the air flow channel 6 is changed into hot air, the hot air returns to the air guide channel 7 and finally returns to the control box 83 through the air inlet pipe 81, and the control box 83 discharges the hot air.
The specific implementation process comprises the following steps: when the motor of the utility model operates, a stator 3 and a main shaft 1 are kept static, a hub shell 2 and a rotor 4 rotate relative to the main shaft 1, the hub shell 2 and the rotor 4 are relatively static, during the rotation process of the rotor 4, the inner wall of a first full-lubrication metal shell 51 and the outer wall of a second full-lubrication metal shell 52 slide relatively, meanwhile, the heat of the rotor 4 is transferred from the first full-lubrication metal shell 51 to the second full-lubrication metal shell 52 and then to the stator 3, finally, the heat is transferred to the main shaft 1, the heat of the main shaft 1 is dissipated by a gas flow channel, a control box 83 controls and absorbs external gas, the gas enters an air guide channel 7 through an air inlet pipe 81, the heat of a shaft body 11 is absorbed in an air inlet channel 6 to become hot air, the hot air returns to the air guide channel 7 and finally returns to the control box 83 through the air inlet pipe 81, the control box 83 discharges the hot air and then re-sucks cold air, and realizing the closed loop of the heat dissipation air duct.
In the embodiments of the present disclosure, the terms "mounting," "connecting," "fixing," and the like are used in a broad sense, for example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the disclosed embodiments of the utility model can be understood by those of ordinary skill in the art as appropriate.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides an electronic wheel barrow motor of well biogenetic axle, includes main shaft (1), wheel hub shell (2), stator (3), rotor (4) and lubricating layer (5), its characterized in that: the through-hole has been seted up in stator (3), main shaft (1) passes the through-hole, stator (3) with main shaft (1) interference fit, wheel hub shell (2) cover is established on main shaft (1), wheel hub shell (2) can with main shaft (1) can take place relative rotation, rotor (4) fixed mounting be in wheel hub shell (2), rotor (4) with space between stator (3) is provided with lubricating layer (5).
2. The mesogenic axis electric unicycle motor of claim 1, wherein: the lubricating layer (5) comprises a first full-lubricating metal shell (51) and a second full-lubricating metal shell (52), the outer wall of the first full-lubricating metal shell (51) is fixedly connected with the inner wall of the rotor (4), the inner wall of the second full-lubricating metal shell (52) is fixedly connected with the outer wall of the stator (3), and the inner wall of the first full-lubricating metal shell (51) is in transition fit with the outer wall of the second full-lubricating metal shell (52).
3. The mesogenic axis electric unicycle motor of claim 1, wherein: the main shaft (1) comprises a shaft body (11) and a shaft sleeve (12), the shaft body (11) is fixedly installed inside the shaft sleeve (12), an airflow channel (6) is arranged inside the shaft body (11), an air guide pipeline (7) is arranged at one end of the shaft body (11), the air guide pipeline (7) is communicated with the airflow channel (6), and the air guide pipeline (7) is far away from one end of the hub shell (2) and is fixedly connected with an air exchange device (8).
4. The mesogenic axis electric unicycle motor of claim 3, wherein: breather (8) include intake pipe (81), outlet duct (82) and control box (83), intake pipe (81) and outlet duct (82) fixed mounting are in one side of control box (83), just intake pipe (81) and outlet duct (82) with control box (83) intercommunication, intake pipe (81) and outlet duct (82) respectively with air guide duct (7) intercommunication.
5. The mesogenic axis electric unicycle motor of claim 1, wherein: and the shaft ends of the main shaft (1) are provided with protection rings (9).
6. The mesogenic axis electric unicycle motor of claim 1, wherein: the hub shell (2) and the rotor (4) are connected through a Hall device, and the Hall device is used for improving the starting and stopping speed of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121632155.9U CN216122065U (en) | 2021-07-19 | 2021-07-19 | Electric monocycle motor with Zhongsheng shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121632155.9U CN216122065U (en) | 2021-07-19 | 2021-07-19 | Electric monocycle motor with Zhongsheng shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216122065U true CN216122065U (en) | 2022-03-22 |
Family
ID=80722397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121632155.9U Expired - Fee Related CN216122065U (en) | 2021-07-19 | 2021-07-19 | Electric monocycle motor with Zhongsheng shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216122065U (en) |
-
2021
- 2021-07-19 CN CN202121632155.9U patent/CN216122065U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220322 |
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| CF01 | Termination of patent right due to non-payment of annual fee |