CN206850576U - A kind of permanent magnet direct current motor that can reduce noise - Google Patents
A kind of permanent magnet direct current motor that can reduce noise Download PDFInfo
- Publication number
- CN206850576U CN206850576U CN201720768092.7U CN201720768092U CN206850576U CN 206850576 U CN206850576 U CN 206850576U CN 201720768092 U CN201720768092 U CN 201720768092U CN 206850576 U CN206850576 U CN 206850576U
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- Prior art keywords
- housing
- permanent magnet
- direct current
- current motor
- supporting plate
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Abstract
Electric motors are the utility model is related to, especially a kind of permanent magnet direct current motor that can reduce noise, including housing, end cap, enclosure interior are provided with rotating shaft, rotor, magnetic pole, brush and commutator, and bottom is provided with leg and mounting seat；The outer surface of housing is provided with multiple equally distributed fin, and sound insulation cotton layer is coated between adjacent two fin, and the lateral surface of end cap is also coated with sound insulation cotton layer；Radiating tube is set in housing, and the both ends of radiating tube are fixedly connected with the thermal vias of two end cap respectively；Mounting seat includes bottom plate and supporting plate, and the upper surface of bottom plate is provided with damping trough, and supporting plate covers damping trough and is connected by one group of bolt with mounting seat, one group of compression spring is provided with damping trough, leg is fixedly connected with supporting plate.To sum up, this permanent magnet direct current motor not only has good noise-reducing effect, is also equipped with good thermal diffusivity, can ensure normal operation, and reduce the influence to worker.
Description
Technical field
Electric motors are the utility model is related to, especially a kind of permanent magnet direct current motor that can reduce noise.
Background technology
Permanent magnet direct current motor operationally, due to bearing and axis friction, brush and commutator friction, hull vibration etc.
Reason, very big noise can be produced, worker works in the environment of high noisy for a long time can influence hearing, also result in notice
Do not concentrate, be unfavorable for the health of worker and efficiently work.The utility model patent of Application No. 201620083898.8 discloses
A kind of sound insulation and noise reduction protective cover of threephase asynchronous, this housing can also be used for permanent magnet direct current motor, and it includes electricity
Motivation cover body, radiating fin, sound insulation cotton layer and acoustical cotton layer, it is characterised in that some dissipate is provided with outside the engine casing (Eng Cas) body
Hot fin, motor cover body bottom are welded with leg, and Sound-proof material is disposed with from outer layer to internal layer on wall in engine casing (Eng Cas) body
Layer, cellular board, acoustical cotton layer and perforated panel, sound insulation cotton layer are pasted onto the outside of cellular board, and sound insulation cotton layer is fixed on electronic
On bonnet body inwall, cellular board medial surface is fixed with perforated panel, and acoustical cotton is filled between perforated panel and cellular board
Layer.The soundproof effect of this cover body is good, but due to the poor thermal conductivity of acoustical cotton and Sound-proof material, easily causes the temperature of motor internal
It is higher, influence the life-span of motor.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of permanent magnet direct current motor that can reduce noise, no
Noise can only be reduced, also with good thermal diffusivity.
Technical scheme is used by the utility model solves its technical problem：A kind of DC that can reduce noise
Motor, including housing, the housing are provided at both ends with end cap, and housing is internally provided with rotating shaft, rotor, magnetic pole, brush
And commutator, the bottom of housing are provided with leg and mounting seat, the both ends of the rotating shaft are installed on two end cap by bearing；
The outer surface of the housing is provided with multiple equally distributed fin, the housing between adjacent two fin
Outer surface is coated with sound insulation cotton layer, and the lateral surface of the end cap is also coated with sound insulation cotton layer；
The thermal vias through end cap extremely side sound insulation cotton layer is provided with two end caps, is set in the housing
Radiating tube is put, the both ends of the radiating tube are fixedly connected with the thermal vias of two end cap respectively；
The mounting seat includes bottom plate and supporting plate, and the upper surface of the bottom plate is provided with damping trough, and the supporting plate is covered
Lid damping trough and be connected by one group of bolt with mounting seat, be provided with one group of compression spring in the damping trough, the leg with
Supporting plate is fixedly connected.
Further, the fin is copper sheet.
Further, the radiating tube is copper pipe.
Further, the leg is integrally formed with housing, is welded to connect with supporting plate.
Further, it is provided with beam between the supporting plate and bottom plate.
The beneficial effects of the utility model are：By housing outer surface between fins and lid lateral surface set every
Sound cotton layer, it can play a part of reducing noise, and sound insulation cotton layer will not stop that fin radiates, in addition, by the way that there is provided dissipate
Heat pipe, when outside cold air flows to the other end from one end of radiating tube, the inner chamber of housing can be passed through, by the heat band of inside
Walk, further accelerate radiating.Compression spring is provided with mounting seat, the effect of damping is served, reduces housing
Oscillation Amplitude, further play a part of reducing noise.To sum up, this permanent magnet direct current motor not only has good noise-reducing
Effect, good thermal diffusivity is also equipped with, normal operation can be ensured, and reduce the influence to worker.
Brief description of the drawings
Fig. 1 is schematic front view of the present utility model.
Fig. 2 is the schematic side view of the utility model housing.
Embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
As shown in Figure 1 and Figure 2, a kind of permanent magnet direct current motor that can reduce noise of the present utility model, including housing 1,
The housing 1 is provided at both ends with end cap 2, and housing 1 is internally provided with rotating shaft 3, rotor 4, magnetic pole 5, brush 6 and commutator
7, the bottom of housing 1 is provided with leg 11 and mounting seat 12, and the both ends of the rotating shaft 3 are installed on two end cap 2 by bearing 8.
The outer surface of the housing 1 is provided with multiple equally distributed fin 9, between adjacent two fin 9
The outer surface of housing 1 is coated with sound insulation cotton layer 10, and the lateral surface of the end cap 2 is also coated with sound insulation cotton layer 10；
The thermal vias through the extremely side sound insulation cotton layer 10 of end cap 2, the housing are provided with two end caps 2
Radiating tube 13 is set in 1, and the thermal vias of the both ends of the radiating tube 13 respectively with two end cap 2 is fixedly connected；
The mounting seat 12 includes bottom plate and supporting plate 15, and the upper surface of the bottom plate is provided with damping trough 14, the branch
Fagging 15 covers damping trough 14 and is connected by one group of bolt with mounting seat 12, and one group of compression bullet is provided with the damping trough 14
Spring 16, the leg 11 are fixedly connected with supporting plate 15.
Rotating shaft 3, the installation of rotor 4, magnetic pole 5, brush 6 and commutator 7 use prior art.Housing 1, leg 11
Using casting integrated shaping, bonding strength is high, and fin 9 can be welded to connect with housing 1, can also with the integrally casting of housing 1 into
Type.Fin 9 and radiating tube 13 can use the metal materials such as aluminium, stainless steel, it is preferred that fin 9 is copper sheet, and radiating tube 13 is
Copper pipe.Sound insulation cotton layer 10 can be adhered to the surface of housing 1 and end cap 2, it is also possible to the connection installation of the connector such as screw.In use,
Caused most of noise is stopped that only a small amount of noise passes through housing 1, sound insulation cotton layer 10 or fin 9 by sound insulation cotton layer 10
The external world is transferred to, the decibel of noise can be greatly lowered, avoid worker from being affected.The heat part of motor internal passes through shell
Body 1 is transmitted to fin 9, then is transmitted by fin 9 into extraneous air, partly by being taken away by the air of radiating tube 13,
Radiating effect is good.
In order to further improve damping, noise-reducing effect, be provided with beam between the supporting plate 15 and bottom plate
17。
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (5)
1. a kind of permanent magnet direct current motor that can reduce noise, including housing (1), the housing (1) is provided at both ends with end
Cover (2), housing (1) is internally provided with rotating shaft (3), rotor (4), magnetic pole (5), brush (6) and commutator (7), housing (1)
Bottom be provided with leg (11) and mounting seat (12), the both ends of the rotating shaft (3) are installed on two end cap (2) by bearing (8)；
It is characterized in that：
The outer surface of the housing (1) is provided with multiple equally distributed fin (9), between adjacent two fin (9)
Housing (1) outer surface be coated with sound insulation cotton layer (10), the lateral surface of the end cap (2) is also coated with sound insulation cotton layer (10)；
The thermal vias through end cap (2) extremely side sound insulation cotton layer (10), the shell are provided with two end caps (2)
Radiating tube (13) is set in body (1), and the thermal vias of the both ends of the radiating tube (13) respectively with two end cap (2) is fixedly connected；
The mounting seat (12) includes bottom plate and supporting plate (15), and the upper surface of the bottom plate is provided with damping trough (14), described
Supporting plate (15) covers damping trough (14) and is connected by one group of bolt with mounting seat (12), is provided with the damping trough (14)
One group of compression spring (16), the leg (11) are fixedly connected with supporting plate (15).
A kind of 2. permanent magnet direct current motor that can reduce noise as claimed in claim 1, it is characterised in that：The fin
(9) it is copper sheet.
A kind of 3. permanent magnet direct current motor that can reduce noise as claimed in claim 1, it is characterised in that：The radiating tube
(13) it is copper pipe.
A kind of 4. permanent magnet direct current motor that can reduce noise as claimed in claim 1, it is characterised in that：The leg
(11) it is integrally formed with housing (1), is welded to connect with supporting plate (15).
A kind of 5. permanent magnet direct current motor that can reduce noise as claimed in claim 1, it is characterised in that：The supporting plate
(15) beam (17) is provided between bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720768092.7U CN206850576U (en) | 2017-06-28 | 2017-06-28 | A kind of permanent magnet direct current motor that can reduce noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720768092.7U CN206850576U (en) | 2017-06-28 | 2017-06-28 | A kind of permanent magnet direct current motor that can reduce noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206850576U true CN206850576U (en) | 2018-01-05 |
Family
ID=60803348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720768092.7U Expired - Fee Related CN206850576U (en) | 2017-06-28 | 2017-06-28 | A kind of permanent magnet direct current motor that can reduce noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206850576U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142030A (en) * | 2018-09-19 | 2019-01-04 | 陕西龙门钢铁有限责任公司 | A kind of sound arrester for drum unit |
| CN110048536A (en) * | 2019-03-29 | 2019-07-23 | 芜湖市极星航空科技有限公司 | A kind of unmanned plane motor assist heat-dissipating casing |
| CN111555531A (en) * | 2020-04-29 | 2020-08-18 | 杭州奥泰电器有限公司 | Low-noise servo motor |
| CN114050682A (en) * | 2021-12-01 | 2022-02-15 | 江苏优格曼航空科技有限公司 | Motor fixed knot constructs with give sound insulation and fall and make an uproar and shockproof function |
| CN114421691A (en) * | 2021-12-06 | 2022-04-29 | 江苏航天动力机电有限公司 | Permanent magnet motor with multidirectional linkage adjusting heat dissipation and shock absorption mechanism |
-
2017
- 2017-06-28 CN CN201720768092.7U patent/CN206850576U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142030A (en) * | 2018-09-19 | 2019-01-04 | 陕西龙门钢铁有限责任公司 | A kind of sound arrester for drum unit |
| CN110048536A (en) * | 2019-03-29 | 2019-07-23 | 芜湖市极星航空科技有限公司 | A kind of unmanned plane motor assist heat-dissipating casing |
| CN111555531A (en) * | 2020-04-29 | 2020-08-18 | 杭州奥泰电器有限公司 | Low-noise servo motor |
| CN111555531B (en) * | 2020-04-29 | 2021-08-27 | 杭州奥泰电器有限公司 | Low-noise servo motor |
| CN114050682A (en) * | 2021-12-01 | 2022-02-15 | 江苏优格曼航空科技有限公司 | Motor fixed knot constructs with give sound insulation and fall and make an uproar and shockproof function |
| CN114421691A (en) * | 2021-12-06 | 2022-04-29 | 江苏航天动力机电有限公司 | Permanent magnet motor with multidirectional linkage adjusting heat dissipation and shock absorption mechanism |
| CN114421691B (en) * | 2021-12-06 | 2022-11-15 | 江苏航天动力机电有限公司 | Permanent magnet motor with multidirectional linkage adjusting heat dissipation and shock absorption mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180105 Termination date: 20190628 |