CN216788970U - Main shaft of hub driving motor - Google Patents
Main shaft of hub driving motor Download PDFInfo
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- CN216788970U CN216788970U CN202220586636.9U CN202220586636U CN216788970U CN 216788970 U CN216788970 U CN 216788970U CN 202220586636 U CN202220586636 U CN 202220586636U CN 216788970 U CN216788970 U CN 216788970U
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Abstract
The utility model provides a main shaft of a hub driving motor, which comprises a shaft body and a plugging assembly, wherein the shaft body comprises a first inlet, a second inlet, a first outlet and a second outlet, the plugging assembly comprises a mounting unit and a sealing cover, the sealing cover is detachably connected with the shaft body, and a flow guide hole is formed between the sealing cover and the mounting unit and used for circulating a cooling medium. The utility model has the advantages that after the inverter inside the hub driving motor is taken out, the main shaft of the hub driving motor is not required to be replaced, but the water inlet and the water outlet of the inverter on the main shaft of the hub driving motor are directly plugged and changed, so that the cooling medium can directly flow into the cooling water jacket of the hub driving motor after sequentially passing through the first inlet, the first outlet, the diversion hole, the second inlet and the second outlet.
Description
Technical Field
The utility model relates to the technical field of driving, in particular to a spindle of a hub driving motor.
Background
The commercial pure electric hub driving motor has two modes of installing an inverter, firstly, the inverter is integrated in the motor, and at the moment, a cooling water path of the inverter is connected with a cooling water path of the motor in series; secondly, the inverter is arranged outside the motor, and at the moment, the cooling water path of the inverter is unrelated to the cooling water path of the motor. If the inverter inside the hub driving motor is taken out or the inverter outside the hub driving motor is arranged inside the motor, a main shaft of the motor needs to be replaced, and at the moment, a plurality of parts need to be disassembled and assembled, which wastes time and labor.
Among the prior art, the cooling water route of wheel hub driving motor and dc-to-ac converter is mostly established ties, and the cooling water gets into from the axle head promptly, gets into the dc-to-ac converter earlier, in the reentrant axle after flowing out from the dc-to-ac converter, through the inside water route reentrant motor in the axle. A cooling water channel of the inverter is connected with a joint on the shaft through 2 quick joints, when the inverter is taken out of the motor, a water inlet and a water outlet of the inverter on the shaft need to be plugged, and meanwhile, water inlet at the shaft end needs to be directly led into a motor cooling water jacket.
In conclusion, it is of great significance to develop a hub driving motor spindle with a simplified structure and convenience in use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a hub driving motor spindle, which can simplify the steps of an inverter when the inverter enters and exits from the hub driving motor and realize quick plugging and changing of a cooling water channel, and the specific technical scheme is as follows:
a main shaft of a hub driving motor comprises a shaft body and a plugging assembly, wherein a first inlet, a second inlet, a first outlet and a second outlet are formed in the shaft body, and the first inlet can be communicated with a cooling medium storage device; the first inlet is communicated with the first outlet, and the second inlet is communicated with the second outlet;
the plugging assembly comprises a mounting unit and a sealing cover, the mounting unit comprises a first mounting seat and a second mounting seat, the first mounting seat is arranged corresponding to the first outlet, and a first mounting hole and a first flow through hole are formed in the first mounting seat; the second mounting seat is arranged corresponding to the second inlet, and a second mounting hole and a second flow through hole are formed in the second mounting seat; the first mounting hole and the second mounting hole are respectively used for mounting the first mounting seat and the second mounting seat on the shaft body, and the first flow through hole and the second flow through hole are used for circulating a cooling medium; the seal cover is detachably connected with the shaft body, and the seal cover, the first mounting seat and the second mounting seat are combined to form a flow guide hole for circulation of a cooling medium.
Preferably, the first mounting seat is provided with an external thread A matched with an internal thread arranged at the first outlet; the first mounting hole is provided with a mounting thread A which is consistent with the spiral direction of the external thread A; the second mounting seat is provided with an external thread B matched with the internal thread arranged at the second inlet; and the second mounting hole is provided with a mounting thread B which has the same spiral direction with the external thread B.
Preferably, the first flow through hole comprises 2-10 through holes A for circulating cooling medium, and a plurality of through holes A are symmetrically distributed around the first mounting hole; the second flow through holes comprise 2-10 through holes B for circulating cooling media, and the plurality of through holes B are symmetrically distributed around the second mounting hole in a surrounding mode.
Preferably, the sum of the sectional areas of the through hole a in the first flow through hole or the through hole B in the second flow through hole is 1.2 to 2.0 times the sectional area of the first inlet.
Preferably, the seal cover is provided with an assembly hole, and the seal cover is detachably arranged on the shaft body through the assembly hole and the fastener.
Preferably, the fastener is a bolt or a stud.
Preferably, a sealing gasket is arranged between the fastening piece and the mounting unit.
Preferably, the mounting unit further comprises a plug, and the plug is arranged at one end, far away from the mounting unit, of the assembling hole.
Preferably, the quick-connecting device further comprises a quick-connecting assembly, and the quick-connecting assembly comprises quick connectors matched with the first outlet and the second inlet respectively.
Compared with the prior art, the utility model has the beneficial effects that: the structure of the hub driving motor spindle is simplified and the use is convenient, when the inverter inside the hub driving motor is taken out, the hub driving motor spindle does not need to be replaced, but the water inlet and the water outlet of the inverter on the hub driving motor spindle are directly plugged and changed, so that a cooling medium can directly flow into a cooling water jacket of the hub driving motor after sequentially passing through the first inlet, the first outlet, the flow guide hole, the second inlet and the second outlet, and at the moment, the hub driving motor spindle and other parts are not dismounted, and a cooling water channel is changed; if the inverter arranged outside the hub driving motor needs to be installed in the motor again, after the plugging assembly is detached, the quick assemblies are installed at the first outlet and the second inlet, and the device is simple to operate, time-saving and labor-saving.
The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
fig. 1 is a schematic structural view of a shaft body of a spindle of a hub driving motor according to a preferred embodiment 1 of the present invention;
fig. 2 is a schematic structural view (in section) of the hub driving motor according to the preferred embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of the first mounting base of FIG. 2;
FIG. 4 is a schematic structural view of the second mount of FIG. 2;
the shaft comprises a shaft body 1, a first inlet 1.1, a second inlet 1.2, a first outlet 1.3, a second outlet 1.4, a second outlet 2, a plugging component 2.1, an installation unit 2.1.1, a first installation seat 2.1.2, a second installation seat 2.1.3, a first installation hole 2.1.4, a first flow through hole 2.1.5, a second installation hole 2.1.6, a second flow through hole 2.1.7, a fastening piece 2.1.8, a sealing pad 2.1.9, a plug, 2.2 and a sealing cover.
Detailed Description
Embodiments of the utility model will be described in detail below with reference to the drawings, but the utility model can be implemented in many different ways as defined and covered by the claims.
Example 1:
referring to fig. 1 and 2, the embodiment discloses a spindle of a hub driving motor, which includes a spindle body 1 and a blocking assembly 2, wherein the spindle body 1 includes a first inlet 1.1, a second inlet 1.2, a first outlet 1.3 and a second outlet 1.4, and the first inlet 1.1 is communicated with a cooling medium storage device and is used for inputting a cooling medium to the spindle of the hub driving motor; the first outlet 1.3 communicates with the first inlet 1.1 for introducing the cooling medium into the inverter; the second inlet 1.2 is communicated with the inverter and is used for guiding the cooling medium entering the inverter from the first outlet 1.3 into the second inlet 1.2 after passing through the inverter; the second outlet 1.4 communicates with the second inlet 1.2 for introducing a cooling medium into the cooling jacket of the hub driving motor.
The plugging assembly 2 comprises a mounting unit 2.1 and a sealing cover 2.2, the sealing cover 2.2 is detachably connected with the shaft body 1, and a flow guide hole can be formed between the sealing cover 2.2 and the mounting unit 2.1 and used for circulating a cooling medium;
the mounting unit 2.1 comprises a first mounting seat 2.1.1, a second mounting seat 2.1.2, a first mounting hole 2.1.3, a first flow through hole 2.1.4, a second mounting hole 2.1.5, a second flow through hole 2.1.6, a fastener 2.1.7, a sealing gasket 2.1.8 and a plug 2.1.9; the sealing cover 2.2, the first mounting seat 2.1.1 and the second mounting seat 2.1.2 are combined to form a flow guide hole for flowing of a cooling medium, so that the cooling medium directly enters a cooling water jacket of the hub driving motor after sequentially passing through the first inlet 1.1, the first outlet 1.3, the flow guide hole, the second inlet 1.2 and the second outlet 1.4.
Referring to fig. 3 and 4, the first mounting seat 2.1.1 and the second mounting seat 2.1.2 are provided with external threads matched with the first outlet 1.3 and the second outlet 1.4; in order to ensure that the threads of the first mounting seat 2.1.1 and the second mounting seat 2.1.2 are not loosened in the process of running of the hub driving motor, mounting threads consistent with the direction of the rotation direction of the external threads are arranged on the first mounting hole 2.1.3 and the second mounting hole 2.1.5, and the first mounting seat 2.1.1 and the second mounting hole 2.1.5 are preferably through threads of M6; around the first mounting hole 2.1.3 and the second mounting hole 2.1.5, there are 2-10 through holes (6 are shown in fig. 3 and fig. 4, respectively) for circulating cooling medium, which constitute the first flow through hole 2.1.4 and the second flow through hole 2.1.6, through which the cooling medium can pass, and the sum of the cross-sectional areas of the through hole a in the first flow through hole 2.1.4 or the through hole B in the second flow through hole 2.1.6 is 1.2-2.0 times of the cross-sectional area of the first inlet 1.1, so as to ensure the flow rate of the cooling medium; meanwhile, the first mounting seat 2.1.1 and the second mounting seat 2.1.2 can be screwed on the spindle of the hub driving motor through the first through hole 2.1.4 and the second through hole 2.1.6 by using a special wrench.
Installing a sealing cover 2.2 on a main shaft of the hub driving motor by using a fastening piece 2.1.7, wherein the preferable fastening piece 2.1.7 uses an installation bolt or a stud, and a sealing ring is arranged on the sealing cover 2.2 to ensure the sealing of a cooling water path; a closed cavity is formed between the cover 2.2 and the mounting unit 2.1 and has a cross-sectional area which is larger than the cross-sectional area of the first inlet 1.1, in which cavity a cooling medium can flow.
In order to ensure the sealing performance of the device after the fastener 2.1.7 is installed, a sealing gasket 2.1.8 is arranged between the fastener 2.1.7 and the installation unit 2.1, and the fastener 2.1.7 is blocked by a plug 2.1.9; preferably, when plug 2.1.9 is installed, the connection between plug 2.1.9 and fastener 2.1.7 is sealed by a threaded sealant.
At the moment, the cooling water channel is quickly plugged and changed without replacing the spindle of the hub driving motor; if the inverter arranged outside the hub driving motor needs to be installed in the motor again, after the plugging component 2 is removed, the quick components, namely the quick connectors, are installed at the first outlet 1.3 and the second inlet 1.2.
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 (9)
1. The main shaft of the hub driving motor is characterized by comprising a shaft body (1) and a plugging assembly (2), wherein a first inlet (1.1), a second inlet (1.2), a first outlet (1.3) and a second outlet (1.4) are formed in the shaft body (1), and the first inlet (1.1) can be communicated with a cooling medium storage device; the first inlet (1.1) is communicated with the first outlet (1.3), and the second inlet (1.2) is communicated with the second outlet (1.4);
the plugging assembly (2) comprises an installation unit (2.1) and a sealing cover (2.2), the installation unit (2.1) comprises a first installation seat (2.1.1) and a second installation seat (2.1.2), the first installation seat (2.1.1) and the first outlet (1.3) are correspondingly arranged, and a first installation hole (2.1.3) and a first flow through hole (2.1.4) are formed in the first installation seat (2.1.1); the second mounting seat (2.1.2) is arranged corresponding to the second inlet (1.2), and a second mounting hole (2.1.5) and a second flow through hole (2.1.6) are arranged on the second mounting seat (2.1.2); the first mounting hole (2.1.3) and the second mounting hole (2.1.5) are respectively used for mounting the first mounting seat (2.1.1) and the second mounting seat (2.1.2) on the shaft body (1), and the first flow through hole (2.1.4) and the second flow through hole (2.1.6) are used for circulating a cooling medium; the seal cover (2.2) is detachably connected with the shaft body (1), and the seal cover (2.2), the first mounting seat (2.1.1) and the second mounting seat (2.1.2) are combined to form a flow guide hole for circulation of a cooling medium.
2. The spindle of the hub driving motor according to claim 1, wherein the first mounting seat (2.1.1) is provided with an external thread A matching with an internal thread arranged at the first outlet (1.3); the first mounting hole (2.1.3) is provided with a mounting thread A which is consistent with the spiral direction of the external thread A;
the second mounting seat (2.1.2) is provided with an external thread B matched with an internal thread arranged at the second inlet (1.2); and the second mounting hole (2.1.5) is provided with a mounting thread B which is consistent with the spiral direction of the external thread B.
3. The spindle of a hub drive motor according to claim 1, wherein the first flow hole (2.1.4) comprises 2-10 through holes a for circulating a cooling medium, and the plurality of through holes a are distributed symmetrically and circumferentially around the first mounting hole (2.1.3); the second flow through holes (2.1.6) comprise 2-10 through holes B for circulating cooling medium, and the plurality of through holes B are symmetrically distributed around the second mounting hole (2.1.5).
4. A spindle of a hub drive motor according to claim 3, wherein the sum of the cross-sectional areas of the through hole a of the first flow through hole (2.1.4) or the through hole B of the second flow through hole (2.1.6) is 1.2-2.0 times the cross-sectional area of the first inlet (1.1).
5. The spindle of the hub driving motor according to claim 1, wherein the cover (2.2) is provided with a mounting hole, and the cover (2.2) is detachably arranged on the spindle body (1) through the mounting hole and a fastener (2.1.7).
6. A spindle of a hub drive motor according to claim 5, wherein the fastener (2.1.7) is a bolt or stud.
7. A spindle of a hub drive motor according to claim 5, characterised in that a sealing gasket (2.1.8) is provided between the fastening member (2.1.7) and the mounting unit (2.1).
8. The spindle of an in-wheel drive motor according to claim 5, further comprising a plug (2.1.9), wherein the plug (2.1.9) is arranged at one end of the assembly hole far away from the mounting unit (2.1).
9. The spindle of the hub drive motor according to claim 1, further comprising a quick-connect assembly comprising quick-connects respectively mating with the first outlet (1.3) and the second inlet (1.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220586636.9U CN216788970U (en) | 2022-03-17 | 2022-03-17 | Main shaft of hub driving motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220586636.9U CN216788970U (en) | 2022-03-17 | 2022-03-17 | Main shaft of hub driving motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216788970U true CN216788970U (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220586636.9U Active CN216788970U (en) | 2022-03-17 | 2022-03-17 | Main shaft of hub driving motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216788970U (en) |
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2022
- 2022-03-17 CN CN202220586636.9U patent/CN216788970U/en active Active
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