CN206041709U - Permanent magnetism brush DC motor subassembly of light weight type - Google Patents
Permanent magnetism brush DC motor subassembly of light weight type Download PDFInfo
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- CN206041709U CN206041709U CN201620890096.8U CN201620890096U CN206041709U CN 206041709 U CN206041709 U CN 206041709U CN 201620890096 U CN201620890096 U CN 201620890096U CN 206041709 U CN206041709 U CN 206041709U
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- housing
- casing
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- rotor
- radiator fan
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Abstract
The utility model discloses a permanent magnetism brush DC motor subassembly of light weight type, including the casing, the axle core, radiator fan, the stator, annular magnetic stone and with stator assorted rotor, annular magnetic stone fixed mounting in the casing and with the coaxial setting of casing, the axle core is installed in the casing and is continuous with the rotor transmission with casing pivoted mode relatively, is casing length L1 23mm 28mm, casing length L1 and casing external diameter W1's ratio DELTA 1< 1.15 casing length L1 is DELTA 2>with the axial length L2's of annular magnetic stone ratio, 1.95 the iron sheet thickness L3's of casing length L2 and rotor ratio DELTA 3> 2.85 radiator fan pass through the axis of rotation rotationally install in the casing bottom, the casing is installed radiator fan's bottom and has been seted up a plurality of louvre. The utility model discloses keeping under the prerequisite of performance, lightening the weight of permanent magnetism brush DC motor subassembly.
Description
Technical field
This utility model is related to a kind of permanent magnet brush direct current generator, more particularly to a kind of permanent magnet brush unidirectional current of light-type
Thermomechanical components.
Background technology
Permanent magnet DC motor is a kind of direct current generator for setting up magnetic field with permanent magnet, and permanent magnet DC motor includes permanent magnet brush
Direct current generator and permanent-magnet brushless DC electric machine, as brush motor is present without The gear deceleration, are capable of achieving low noise, low cost
Feature, is applied in various portable electronic equipments or utensil, such as automobile electric etc., especially air conditioning for automobiles executor more
In the motor-driven field of needs, but in order to ensure the performance of permanent magnet DC motor, general permanent magnet DC motor weight is larger,
It is unfavorable for the carrying and transport of each electronic equipment or utensil.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of permanent magnet brush direct current generator,
Which mitigates the weight of permanent magnet brush DC motor assembly on the premise of performance is kept.
The purpose of this utility model employs the following technical solutions realization：
A kind of permanent magnet brush DC motor assembly of light-type, including housing, shaft core, radiator fan, is respectively positioned in housing
Stator, annular Magnetitum and the rotor matched with stator, annular Magnetitum is fixedly installed in housing and is coaxially disposed with housing；
Can be installed in housing in the way of relative housing into rotation and be connected with rotor transmission, the shaft core is stretched out in outside housing shaft core
One end forms outfan；Shell length L1 is 23mm-28mm；The ratios delta 1 of shell length L1 and housing outer diameter W1<
1.15；Shell length L1 is Δ 2 with the ratio of the axial length L 2 of annular Magnetitum>1.95；The iron plate of shell length L2 and rotor
The ratios delta 3 of thickness L3>2.85；The radiator fan is rotatably installed on the housing bottom, the shell by rotary shaft
Body is provided with the bottom of radiator fan and offers several louvres.
Preferably, the housing is galvanized steel plain sheet.
Preferably, the radiating hole shape is in sector.
Compared to existing technology, the beneficial effects of the utility model are：This utility model is by rationally arranging housing outer diameter
And the relation between length, annular Magnetitum axial length, the iron plate thickness of rotor, in the performance for meeting permanent magnet brush direct current generator
On the premise of, reduce the weight of this light-type permanent magnet brush DC motor assembly, easily portable or carrying；Practical application
When, the sky for stopping dynamic torque and 2200-3500rpm of the motor 90g.cm min in the case where vehicle-mounted 10V-16.5V voltage conditions are met
Idling speed on the premise of, this utility model relative to existing housing external diameter W1 for 23mm-26mm permanent magnet brush direct current generator
Lightweight packages mitigate 5g min.
Description of the drawings
Structural representations of the Fig. 1 for the permanent magnet brush DC motor assembly of this utility model light-type；
Side views of the Fig. 2 for the permanent magnet brush DC motor assembly of this utility model light-type.
In figure：1st, housing；2nd, shaft core；3rd, rotor；31st, the iron plate of rotor；4th, annular Magnetitum.
Specific embodiment
Below, with reference to accompanying drawing and specific embodiment, this utility model is described further：
As shown in Figure 1-2, the permanent magnet brush DC motor assembly of a kind of light-type, including housing 1, shaft core 2, radiation air
Fan, the stator being respectively positioned in housing 1, annular Magnetitum 4 and the rotor 3 matched with stator, 1 intermediate formation of housing have two ends to connect
Logical cavity, annular Magnetitum 4 are fixedly installed in housing 1 and are coaxially disposed with housing 1；Shaft core 2 with can relative to housing 1 rotate
Mode is installed in housing 1 and is connected with the transmission of rotor 3, and one end that the shaft core 2 is stretched out in outside housing 1 forms outfan；Institute
1 length L1 of housing is stated for 23mm-28mm；The ratios delta 1 of 1 length L1 of the housing and 1 external diameter W1 of housing<1.15；1 length of housing
L1 is Δ 2 with the ratio of the axial length L 2 of annular Magnetitum 4>1.95；The ratio of 1 length L2 of housing and the 31 thickness L3 of iron plate of rotor
Value Δ 3>2.85；The radiator fan is rotatably installed on 1 bottom of the housing by rotary shaft, and the housing 1 is provided with
The bottom of radiator fan offers several louvres.Existing permanent magnet brush DC motor assembly, length L1 of housing 1 is
29mm-35mm；The ratios delta 1 of length L1 of housing 1 and the external diameter W1 of motor>1.28；Length L1 of housing 1 and motor Magnetitum
The ratios delta 2 of axial length L 2<1.74；The ratios delta 3 of length L2 of housing 1 and the 31 thickness L3 of iron plate of rotor<2.47；
And stop dynamic torque and 2200-3500rpm ensure to meet motor 90g.cm min under vehicle-mounted 10V-16.5V voltage conditions
On the premise of no-load speed, by rationally arrange 1 external diameter of housing and length, 4 axial length of annular Magnetitum, rotor iron plate 31 it is thick
Relation between degree, can reduce the weight of the permanent magnet brush DC motor assembly of this light-type, and relative to it is above-mentioned it is existing forever
Magnetic has several direct current generator weight saving 5g min, is convenient for carrying or carries；Meanwhile, the permanent magnetism of this light-type is had by radiator
Brushless motor component is timely radiated, and improves its safety in utilization.
Preferably, the housing 1 is galvanized steel plain sheet.
Preferably, the radiating hole shape is in sector.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
It is corresponding to change and deformation, and all these change and deformation should all belong to the protection of this utility model claim
Within the scope of.
Claims (3)
1. the permanent magnet brush DC motor assembly of a kind of light-type, it is characterised in that including housing, shaft core, radiator fan, equal position
Stator, annular Magnetitum and the rotor matched with stator in the housing, annular Magnetitum are fixedly installed in housing and and housing
It is coaxially disposed；Shaft core can be installed in housing in the way of relative housing into rotation and be connected with rotor transmission, stretch out by the shaft core
One end outside housing forms outfan；Shell length L1 is 23mm-28mm；Shell length L1 and housing outer diameter W1
Ratios delta 1<1.15；Shell length L1 is Δ 2 with the ratio of the axial length L 2 of annular Magnetitum>1.95；Shell length L2 with
The ratios delta 3 of the iron plate thickness L3 of rotor>2.85；The radiator fan is rotatably installed on the housing bottom by rotary shaft
Portion, the housing are provided with the bottom of radiator fan and offer several louvres.
2. the permanent magnet brush DC motor assembly of light-type as claimed in claim 1, it is characterised in that the housing is zinc-plated
Steel plate.
3. the permanent magnet brush DC motor assembly of light-type as claimed in claim 1, it is characterised in that the radiating hole shape
In sector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620890096.8U CN206041709U (en) | 2016-08-16 | 2016-08-16 | Permanent magnetism brush DC motor subassembly of light weight type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620890096.8U CN206041709U (en) | 2016-08-16 | 2016-08-16 | Permanent magnetism brush DC motor subassembly of light weight type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206041709U true CN206041709U (en) | 2017-03-22 |
Family
ID=58306541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620890096.8U Active CN206041709U (en) | 2016-08-16 | 2016-08-16 | Permanent magnetism brush DC motor subassembly of light weight type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206041709U (en) |
-
2016
- 2016-08-16 CN CN201620890096.8U patent/CN206041709U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 512500 Guangdong County of Shixing city in Shaoguan Province town of Taiping village head yellow garden Patentee after: Guangdong Standard Motor Technology Co.,Ltd. Address before: 512500 Guangdong County of Shixing city in Shaoguan Province town of Taiping village head yellow garden Patentee before: SHIXING STANDARD MICRO MOTOR Co.,Ltd. |