CN220732510U - Motor air duct structure - Google Patents
Motor air duct structure Download PDFInfo
- Publication number
- CN220732510U CN220732510U CN202322452371.0U CN202322452371U CN220732510U CN 220732510 U CN220732510 U CN 220732510U CN 202322452371 U CN202322452371 U CN 202322452371U CN 220732510 U CN220732510 U CN 220732510U
- Authority
- CN
- China
- Prior art keywords
- motor
- inner cavity
- air duct
- motor shaft
- duct structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000012530 fluid Substances 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims abstract description 17
- 230000007704 transition Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000001816 cooling Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model discloses a motor air duct structure. The motor comprises a motor shell and a motor shaft which is arranged in the motor shell and used as a power output piece, wherein a hollow inner cavity is formed in the motor shaft, an opening which is in fluid communication with the hollow inner cavity is formed in one end of the motor shaft, and a plurality of through holes which are in fluid communication with the hollow inner cavity are formed in the motor shaft so as to form an air channel passage through the opening, the hollow inner cavity and the through holes. According to the utility model, the air duct passage is designed in the motor, so that cooling air can have a corresponding trend passage in the rotation process of the motor shaft, and the heat dissipation effect of each rotating part is improved.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a motor air duct structure.
Background
The motor is an electromagnetic device working according to the law of electromagnetic induction, and can realize the mutual conversion between mechanical energy and electric energy.
Each rotating component on the motor can generate heat in the rotating working process, such as a motor rotor rotating shaft, a chain wheel and the like, in early motor products, the generated heat can only be naturally radiated through a motor shell, and the radiating effect is poor.
However, this approach only increases the contact area of the rotating shaft with the cooling wind (e.g. it is further provided with supporting blades), and the internal cooling wind does not have a corresponding running layout, so that its cooling effect is still general, for which the applicant proposes the present application.
Disclosure of Invention
The utility model provides a motor air duct structure, which aims at the defects in the prior art, and an air duct passage is designed in the motor so that cooling air can have a corresponding trend passage in the rotation process of a motor shaft, thereby improving the heat dissipation effect of each rotating part.
In order to solve the technical problems, the utility model is solved by the following technical scheme:
the utility model provides a motor wind channel structure, includes the motor casing and disposes in the motor casing is as the motor shaft of power take off, the motor shaft inside have hollow inner chamber, one end have with hollow inner chamber fluid communication's opening, still set up on the motor shaft a plurality of with hollow inner chamber fluid communication's through-hole, in order to pass through opening hollow inner chamber, the through-hole forms the wind channel passageway.
In the above scheme, preferably, the through hole is radially formed in the motor shaft.
In the above aspect, preferably, the motor casing has a first inner cavity in fluid communication with the through hole, and a fluid passage is included to communicate the first inner cavity with air outside the motor casing.
In the above aspect, preferably, the motor casing includes a plurality of holes for passing the wire harness therethrough as the fluid passage.
In the above aspect, preferably, a sprocket unit is disposed on the motor casing, and the sprocket unit includes a second inner cavity in fluid communication with the hollow inner cavity.
In the above scheme, preferably, the outer end of the motor shaft comprises a plurality of circumferentially arranged gear teeth, and the sprocket unit comprises an annular gear in transmission fit with the gear teeth and a sprocket integrally arranged with the annular gear.
In the above scheme, preferably, the outer end of the motor shaft comprises a plurality of circumferentially arranged gear teeth, and the sprocket unit comprises an annular gear in transmission fit with the gear teeth, a transition part connected with the annular gear, and a sprocket connected with the transition part.
In the above aspect, preferably, the second inner cavity includes a first inner cavity portion located at the ring gear and a second inner cavity portion located at a transition portion, and the first inner cavity portion and the second inner cavity portion are in fluid communication with each other.
In the above scheme, preferably, the sprocket and the ring gear are integrally formed.
In the above scheme, preferably, at least two through holes are symmetrically distributed on the motor shaft.
The beneficial effects of the utility model are as follows:
according to the utility model, the air duct passage is designed in the motor, so that cooling air can have a corresponding trend passage in the rotation process of the motor shaft, and the heat dissipation effect of each rotating part is improved.
Drawings
Fig. 1 is a schematic view of a motor housing according to the present utility model.
Fig. 2 is a schematic view of a motor shaft according to the present utility model.
Fig. 3 is a schematic side view of a motor shaft according to the present utility model.
FIG. 4 is a schematic cross-sectional view of a motor shaft according to the present utility model.
FIG. 5 is a schematic cross-sectional view of the present utility model.
Fig. 6 is a schematic view of a sprocket unit according to the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings and detailed description:
referring to fig. 1-6, a motor air duct structure includes a motor casing 1, a motor shaft 2 is disposed in the motor casing 1, and is used as a power output member, an inner end of the motor shaft 2 is mounted in the motor casing 1 through a bearing 11, an outer end of the motor shaft extends out of the motor casing 1 and is in transmission connection with a sprocket unit 3, and of course, a bearing or a positioning ferrule 12 can be correspondingly disposed between a position near an outer end of the motor shaft 2 and the motor casing 1 so as to improve rotation stability of the motor shaft 2, and in this embodiment, an outer end of the motor shaft 2 includes a plurality of circumferentially arranged gear teeth 21, as shown in fig. 2.
For the sprocket unit 3, it is rotationally disposed on the motor casing 1, and includes an annular gear 31 in driving fit with the gear teeth 21, a transition portion 32 connected with the annular gear 31, and a sprocket 33 connected with the transition portion 32, and a plurality of teeth 311 in driving fit with the gear teeth 21 are circumferentially disposed on the inner wall of the annular gear 31, and as one option, the annular gear 31, the transition portion 32, and the sprocket 33 are integrally formed.
As shown in fig. 5 and 6, the sprocket unit 3 has a second inner cavity therein, specifically, a cavity is formed in the ring gear 31 to form a first inner cavity portion 34, a second inner cavity portion 35 is formed by extending the first inner cavity portion 34 toward the outside of the sprocket unit 3, and the second inner cavity portion 35 may be disposed at the transition portion 32, or at a portion of the transition portion 32 and the sprocket 33, which is not in communication with the outside air, to secure the strength of the sprocket. In this embodiment, the first lumen portion 34 is in fluid communication with the second lumen portion 35 to form the second lumen.
In this embodiment, the motor shaft 2 has a hollow inner cavity 22 inside, and an opening 23 communicating with the hollow inner cavity 22 is provided at an outer end thereof, as shown in fig. 5, the opening 23 being provided so that a fluid communication path is formed between the second inner cavity and the hollow inner cavity 22.
Further, a plurality of through holes 24 in fluid communication with the hollow cavity 22 are further formed in the motor shaft 2, and as one option, the through holes 24 are radially formed in the motor shaft 2, and at least two through holes 24 are symmetrically distributed in the motor shaft 2.
Meanwhile, the first inner cavity 13 is further arranged in the motor casing 1 and is in fluid communication with the through hole 24, and the fluid channel 14 is arranged for communicating the first inner cavity 13 with the air outside the motor casing 1, as shown in fig. 5, through taking the motor shaft 2 as an intermediate piece, the inner cavity of the sprocket unit 3, the inner cavity of the motor shaft 2 and the inner cavity of the motor casing 1 and the air outside the motor casing 1 form a passage, so that cooling wind generated in the rotation process of the motor shaft 2 and the sprocket unit 3 can effectively bring heat out of the motor casing 1, and the heat dissipation effect of the motor is improved.
Because the motor casing 1 is provided with holes for the wire harness to pass through, the holes can be used as fluid channels, and the dustproof effect can be improved without additional openings.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. The utility model provides a motor wind channel structure which characterized in that: the motor comprises a motor shell and a motor shaft which is arranged in the motor shell and used as a power output piece, wherein a hollow inner cavity is formed in the motor shaft, an opening which is in fluid communication with the hollow inner cavity is formed in one end of the motor shaft, and a plurality of through holes which are in fluid communication with the hollow inner cavity are formed in the motor shaft so as to form an air channel passage through the opening, the hollow inner cavity and the through holes.
2. The motor air duct structure according to claim 1, wherein: the through holes are radially formed in the motor shaft.
3. The motor air duct structure according to claim 1, wherein: the motor casing is internally provided with a first inner cavity which is in fluid communication with the through hole, and a fluid channel which is used for communicating the first inner cavity with the air outside the motor casing is included.
4. A motor air duct structure according to claim 3, wherein: the motor casing comprises a plurality of holes for the wire harness to pass through so as to be used as the fluid channel.
5. The motor air duct structure according to claim 1, wherein: the motor casing is provided with a sprocket wheel unit, and the sprocket wheel unit comprises a second inner cavity which is in fluid communication with the hollow inner cavity.
6. The motor air duct structure according to claim 5, wherein: the outer end of the motor shaft comprises a plurality of circumferentially arranged gear teeth, and the sprocket wheel unit comprises an inner gear ring in transmission fit with the gear teeth and a sprocket wheel integrally arranged with the inner gear ring.
7. The motor air duct structure according to claim 5, wherein: the outer end of the motor shaft comprises a plurality of circumferentially arranged gear teeth, and the sprocket wheel unit comprises an inner gear ring in transmission fit with the gear teeth, a transition part connected with the inner gear ring and a sprocket wheel connected with the transition part.
8. The motor air duct structure of claim 7, wherein: the second inner cavity comprises a first inner cavity part positioned at the annular gear and a second inner cavity part positioned at a transition part, and the first inner cavity part and the second inner cavity part are in fluid communication with each other.
9. A motor air duct structure according to claim 6 or 7, characterized in that: the sprocket and the annular gear are integrally formed.
10. The motor air duct structure according to claim 1, wherein: at least two through holes are symmetrically distributed on the motor shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322452371.0U CN220732510U (en) | 2023-09-10 | 2023-09-10 | Motor air duct structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322452371.0U CN220732510U (en) | 2023-09-10 | 2023-09-10 | Motor air duct structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220732510U true CN220732510U (en) | 2024-04-05 |
Family
ID=90501546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322452371.0U Active CN220732510U (en) | 2023-09-10 | 2023-09-10 | Motor air duct structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220732510U (en) |
-
2023
- 2023-09-10 CN CN202322452371.0U patent/CN220732510U/en active Active
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