CN203387329U - General micro motor with electric brush, and electric brush assembly of general micro motor - Google Patents
General micro motor with electric brush, and electric brush assembly of general micro motor Download PDFInfo
- Publication number
- CN203387329U CN203387329U CN201320453593.8U CN201320453593U CN203387329U CN 203387329 U CN203387329 U CN 203387329U CN 201320453593 U CN201320453593 U CN 201320453593U CN 203387329 U CN203387329 U CN 203387329U
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- brush
- face
- electric brush
- described brush
- electric
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- 238000005452 bending Methods 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 230000035515 penetration Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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Abstract
The utility model relates to a general micro motor with an electric brush, and an electric brush assembly of the general micro motor. The general micro motor with the electric brush comprises the electric brush assembly, wherein the electric brush assembly comprises an electric brush support, two electric brush sleeves, two electric brushes and two elastic elements, two electric brush sleeves are symmetrically fixed on the electric brush support, each electric brush comprises a front end face and an upper end face, and an inclined face connecting the upper end face with the front end face, length of the upper end face is made to be smaller than whole length of one electric brush by the inclined face, height of the front end face is made to be smaller than whole height of one electric brush by the inclined face, one ends of the electric brush sleeves are provided with openings for penetration of electric brush heads, the other ends of the one electric brush sleeves are provided with baffle boards used for stopping the elastic elements, the two elastic elements are respectively arranged in the two electric brush sleeves, each tail end of the elastic elements is respectively stopped by the baffle board of the corresponding electric brush sleeve, and the two electric brushes are respectively mounted in the two electric brush sleeves. Under elastic force of the elastic elements, the front end face of each electric brush respectively penetrates through the opening of the corresponding electric brush sleeve to conveniently contact with a surface of a commutator of the micro motor. The general micro motor with the electric brush has advantages of reasonable structure, low cost, small sparks and low noise.
Description
[
technical field]
The utility model relates to the support of motor, particularly relates to the motor bearing of equipping mechanical commutator or the device of protecting brush or brush carrier, relates in particular to the brush assembly of electric of the type electrical micro-machine, and relates to the universal micro-motor of equipping this brush assembly of electric.
[
background technology]
The all equipment mechanical commutator of prior art universal micro-motor, all brush assembly of electric must be arranged, this brush assembly of electric comprises again brush carriage, two brush covers, two brush and flexible members that respectively are provided with the brush pigtail, this flexible member is the Compress Spring turned to by an elastic metallic yarn, brush carriage is fixed on the fore-stock of described electrical micro-machine, two brush covers are fixed on brush carriage symmetrically, in each brush cover, spring and brush are housed respectively, spring generally withstands on the rear end face of brush, under the elastic force effect of spring, brush is protruding, the commutator of its front end face and described micro-motor rotor assembly keeps in touch, referring to Fig. 6 and Fig. 7, the flexible member of the brush assembly of electric of prior art universal micro-motor and the brush 40 ' brush of packing into cover 30 ' in, also needing to fill an inserted sheet to block flexible member, this inserted sheet is fixed in two rectangular through holes 37 of brush cover 30 ' tail end, brush 40 ' be shaped as cuboid, comprise front end face 41 ', 42, lower surface, upper surface 43, rear end face 44,45He right side, left side 46, brush 40 ' front end face 41 ' generally the be designed to straight cambered surface suitable with commutator.The brush assembly of electric of prior art universal micro-motor has following weak point:
One, due to brush 40 ' whole front end face 41 ' keep in touch with commutator, make brush and commutator face contact area large, higher to required precision, noise is also larger;
Two, need the special messenger to plug sheet, inconvenient operation, and increased material and cost of labor.
[
the utility model content]
The technical problems to be solved in the utility model is to avoid above-mentioned the deficiencies in the prior art part and a kind of universal micro-motor with brush and brush assembly of electric thereof is provided, the advantage such as that the universal micro-motor that is equipped with this brush assembly of electric has is rational in infrastructure, cost is low, spark is little and noise is low.
The technical scheme that the utility model solve the technical problem employing is:
A kind of universal micro-motor with brush is provided, comprises rotor assembly, the fore-stock that commutator is housed and be arranged on the brush assembly of electric on this fore-stock; Described brush assembly of electric comprises again brush carriage, two brush covers, two brush and two flexible members that respectively are provided with the brush pigtail, and two brush covers are fixed on described brush carriage symmetrically; Described brush comprises front end face, upper surface, lower surface, rear end face, left side and right side, and the front end face of described brush is the straight cambered surface suitable with the commutator of described rotor assembly; Described brush also comprises that the ，Gai inclined-plane, inclined-plane that connects described upper surface and front end face makes the length of described upper surface be less than the whole length of described brush, and makes the height of described front end face be less than the whole height of described brush; Described brush overlaps an end and is provided with the opening stretched out for described brush head, but its other end is provided with the baffle plate of the bending for blocking described flexible member; Two described flexible members lay respectively in two described brushes covers, and its each tail end is blocked by the baffle plate of described brush cover separately respectively; Two described brushes are respectively charged in two described brushes covers, and the rear end face of each brush contacts with the front end of described flexible member separately respectively; Under the elastic force effect of described flexible member, the front end face of each brush stretches out from the opening part of described brush cover separately respectively, in order to contact with the commutator face of described rotor assembly.
Before described brush the height of end face be described brush whole height 15%～35%; Particularly before described brush the height of end face be described brush whole height 30%.
On described brush the length of end face be described brush whole length 50%～70%.
Described brush cover also is provided with the terminal that stretches out that is used for fixing the brush pigtail that is electrically connected to described brush.
A kind of brush assembly of electric of universal micro-motor also is provided, comprises brush carriage, two brush covers, two brush and two flexible members that respectively are provided with the brush pigtail, two brush covers are fixed on described brush carriage symmetrically; Described brush comprises front end face, upper surface, lower surface, rear end face, left side and right side, and the front end face of described brush is the straight cambered surface suitable with the commutator of described rotor assembly; Described brush also comprises that the ，Gai inclined-plane, inclined-plane that connects described upper surface and front end face makes the length of described upper surface be less than the whole length of described brush, and makes the height of described front end face be less than the whole height of described brush; Described brush overlaps an end and is provided with the opening stretched out for described brush head, but its other end is provided with the baffle plate of the bending for blocking described flexible member; Two described flexible members lay respectively in two described brushes covers, and its each tail end is blocked by the baffle plate of described brush cover separately respectively; Two described brushes are respectively charged in two described brushes covers, and the rear end face of each brush contacts with the front end of described flexible member separately respectively; Under the elastic force effect of described flexible member, the front end face of each brush stretches out from the opening part of described brush cover separately respectively, in order to contact with the commutator face of the rotor assembly of universal micro-motor.
Compared with the existing technology, the utility model is with the universal micro-motor of brush and the beneficial effect of brush assembly of electric thereof:
1, the Front-end Design of brush becomes the structure on straight cambered surface and inclined-plane, the brush consumption is few, commutator only keeps in touch with the front end face of straight cambered surface, and the area of front end face has reduced, make like this brush and commutator face contact area little, precision and the requirement of material aspect to commutator are relatively low, can effectively improve the spark of electrical micro-machine and reduce noise;
2, but the tail end of brush cover directly is designed with the baffle plate of the bending for blocking flexible member, after dress elasticity element without refilling inserted sheet, more convenient operation, efficiency is also higher, and an electrical micro-machine can be saved two inserted sheet consumptions and the operation that plugs sheet, can effectively reduce costs.
In sum, the utility model universal micro-motor has rational in infrastructure, the advantage such as cost is low, spark is little and noise is low.
[
the accompanying drawing explanation]
Fig. 1 be the utility model with the main schematic diagram of looking of the orthographic projection of the brush assembly of electric preferred embodiment of the universal micro-motor of brush, drawn fore-stock 10 in figure;
Fig. 2 is the main schematic diagram of looking of the orthographic projection of brush assembly of electric shown in Fig. 1;
Fig. 3 is the axonometric projection schematic diagram of the brush cover 30 of described brush assembly of electric;
Fig. 4 is the axonometric projection schematic diagram of the brush 40 of described brush assembly of electric;
Fig. 5 is the orthographic projection schematic side view of described brush 40;
Fig. 6 be the described brush assembly of electric of prior art brush cover 30 ' the axonometric projection schematic diagram;
Fig. 7 be the described brush assembly of electric of prior art brush 40 ' the axonometric projection schematic diagram.
[embodiment]
Below in conjunction with each accompanying drawing, the utility model is described in further detail.
Referring to Fig. 1 to Fig. 5, a kind of universal micro-motor with brush comprises rotor assembly, the fore-stock 10 that commutator is housed and is arranged on the brush assembly of electric on this fore-stock 10 that available two screws 90 are fixed on brush assembly of electric on fore-stock 10; Described brush assembly of electric comprises that again brush 40 and 50, two brushes covers 30 of two flexible members that brush carriage 20, two 30, two, brush covers respectively are provided with brush pigtail 49 are fixed on described brush carriage 20 symmetrically; Described brush 40 comprises front end face 41,42, lower surface, upper surface 43, rear end face 44,45He right side, left side 46, and the front end face 41 of described brush 40 is the straight cambered surface suitable with the commutator of described rotor assembly; Described brush 40 also comprises that the 47，Gai inclined-plane, inclined-plane 47 that connects described upper surface 42 and front end face 41 makes the length L of described upper surface 42
1be less than the whole length L of described brush 40, and make the height H of described front end face 41
1be less than the whole height H of described brush 40, and this inclined-plane 47 also changed the shape of 45He right side, left side 46, figuratively the upper front end of described brush 40 is chamfered except an angle; Described brush cover 30 1 ends are provided with the opening 31 stretched out for described brush 40 heads, but its other end is provided with the baffle plate 32 of the bending for blocking described flexible member 50, and this baffle plate 32 can be bent into 90 degree and block so that described brush is overlapped to 30 another port; Two described flexible members 50 lay respectively in two described brushes covers 30, and its each tail end is blocked by the baffle plate 32 of described brush cover 30 separately respectively; Two described brushes 40 are respectively charged in two described brushes covers 30, and the rear end face 44 of each brush 40 contacts with the front end of described flexible member 50 separately respectively; Under the elastic force effect of described flexible member 50, the front end face 41 of each brush 40 stretches out from the opening 31 of described brush cover 30 separately respectively, in order to contact with the commutator face of described rotor assembly.Only drawn fore-stock 10 in Fig. 1, other parts do not draw, and they all belong to prior art, do not repeat them here.
The baffle plate 32 of Fig. 3 center brush cover 30 was straight before assembling, was mainly to consider that whole electrical micro-machine is easy to assembly; When electrical micro-machine assembles, can first not fill elasticity element 50, at rotor assembly and fore-stock 10, and after the stator module of electrical micro-machine and after-poppet assemble, from brush cover 30, there is the opening of baffle plate 32 those ends to pack into flexible member 50 again, when flexible member 50 pack into brush overlap 30 interior after, then with hand, baffle plate 32 is bent into to 90 degree and blocks so that described brush is overlapped to 30 another port, so just the tail end of flexible member 50 can have been blocked.
Referring to Fig. 4 and Fig. 5, the height H of end face 41 before described brush 40
1be described brush 40 whole height H 15%～35%; The height H of end face 41 before described brush 40 particularly
1be described brush 40 whole height H 30%.
Referring to Fig. 4 and Fig. 5, the length L of end face 42 on described brush 40
1be described brush 40 whole length L 50%～70%.
Referring to Fig. 1 to Fig. 3, described brush cover 30 also be provided be used for fixing the brush pigtail 49 that is electrically connected to described brush 40 stretch out terminal 39.Described brush cover 30 also is provided with the breach 38 of the brush pigtail 49 for avoiding described brush 40.
The above embodiment has only expressed preferred implementation of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims; It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model; Therefore, all equivalents and modifications of doing with the utility model claim scope, all should belong to the covering scope of the utility model claim.
Claims (10)
1. the universal micro-motor with brush, comprise rotor assembly, the fore-stock (10) that commutator is housed and be arranged on the brush assembly of electric on this fore-stock (10); Described brush assembly of electric comprises again brush carriage (20), two brush covers (30), two brush (40) and two flexible members (50) that respectively are provided with brush pigtail (49), and two brush covers (30) are fixed on described brush carriage (20) symmetrically; Described brush (40) comprises front end face (41), upper surface (42), lower surface (43), rear end face (44), left side (45) and right side (46), and the front end face (41) of described brush (40) is the straight cambered surface suitable with the commutator of described rotor assembly; It is characterized in that:
Described brush (40) also comprises the inclined-plane (47) that connects described upper surface (42) and front end face (41), and this inclined-plane (47) make the length (L of described upper surface (42)
1) be less than the whole length (L) of described brush (40), and make the height (H of described front end face (41)
1) be less than the whole height (H) of described brush (40);
Described brush cover (30) one ends are provided with the opening (31) stretched out for described brush (40) head, its other end be provided with for blocking described flexible member (50) but the baffle plate (32) of bending;
Two described flexible members (50) lay respectively in two described brush covers (30), and its each tail end is blocked by the baffle plate (32) of described brush cover (30) separately respectively; Two described brushes (40) are respectively charged in two described brush covers (30), and the rear end face (44) of each brush (40) contacts with the front end of described flexible member (50) separately respectively; Under the elastic force effect of described flexible member (50), the front end face (41) of each brush (40) stretches out from the opening (31) of described brush cover (30) separately respectively, in order to contact with the commutator face of described rotor assembly.
2. the universal micro-motor with brush according to claim 1 is characterized in that:
Described brush (40) is the height (H of end face (41) before
1) be described brush (40) whole height (H) 15%～35%.
3. the universal micro-motor with brush according to claim 2 is characterized in that:
Described brush (40) is the height (H of end face (41) before
1) be described brush (40) whole height (H) 30%.
4. the universal micro-motor with brush according to claim 1 is characterized in that:
Length (the L of end face (42) on described brush (40)
1) be described brush (40) whole length (L) 50%～70%.
5. according to the described universal micro-motor with brush of any one of claim 1 to 4, it is characterized in that:
Described brush cover (30) also be provided be used for fixing the brush pigtail (49) that is electrically connected to described brush (40) stretch out terminal (39).
6. the brush assembly of electric of a universal micro-motor, comprise brush carriage (20), two brush covers (30), two brush (40) and two flexible members (50) that respectively are provided with brush pigtail (49), two brush covers (30) are fixed on described brush carriage (20) symmetrically; Described brush (40) comprises front end face (41), upper surface (42), lower surface (43), rear end face (44), left side (45) and right side (46), and the front end face (41) of described brush (40) is the straight cambered surface suitable with the commutator of the rotor assembly of universal micro-motor; It is characterized in that:
Described brush (40) also comprises the inclined-plane (47) that connects described upper surface (42) and front end face (41), and this inclined-plane (47) make the length (L of described upper surface (42)
1) be less than the whole length (L) of described brush (40), and make the height (H of described front end face (41)
1) be less than the whole height (H) of described brush (40);
Described brush cover (30) one ends are provided with the opening (31) stretched out for described brush (40) head, its other end be provided with for blocking described flexible member (50) but the baffle plate (32) of bending;
Two described flexible members (50) lay respectively in two described brush covers (30), and its each tail end is blocked by the baffle plate (32) of described brush cover (30) separately respectively; Two described brushes (40) are respectively charged in two described brush covers (30), and the rear end face (44) of each brush (40) contacts with the front end of described flexible member (50) separately respectively; Under the elastic force effect of described flexible member (50), the front end face (41) of each brush (40) stretches out from the opening (31) of described brush cover (30) separately respectively, in order to contact with the commutator face of the rotor assembly of universal micro-motor.
7. the brush assembly of electric of universal micro-motor according to claim 6 is characterized in that:
Described brush (40) is the height (H of end face (41) before
1) be described brush (40) whole height (H) 15%～35%.
8. the brush assembly of electric of universal micro-motor according to claim 7 is characterized in that:
Described brush (40) is the height (H of end face (41) before
1) be described brush (40) whole height (H) 30%.
9. the brush assembly of electric of universal micro-motor according to claim 6 is characterized in that:
Length (the L of end face (42) on described brush (40)
1) be described brush (40) whole length (L) 50%～70%.
10. according to the brush assembly of electric of the described universal micro-motor of any one of claim 6 to 9, it is characterized in that:
Described brush cover (30) also be provided be used for fixing the brush pigtail (49) that is electrically connected to described brush (40) stretch out terminal (39).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320453593.8U CN203387329U (en) | 2013-07-29 | 2013-07-29 | General micro motor with electric brush, and electric brush assembly of general micro motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320453593.8U CN203387329U (en) | 2013-07-29 | 2013-07-29 | General micro motor with electric brush, and electric brush assembly of general micro motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203387329U true CN203387329U (en) | 2014-01-08 |
Family
ID=49875777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320453593.8U Expired - Fee Related CN203387329U (en) | 2013-07-29 | 2013-07-29 | General micro motor with electric brush, and electric brush assembly of general micro motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203387329U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106936251A (en) * | 2015-12-31 | 2017-07-07 | 德昌电机(深圳)有限公司 | Motor |
| CN108429104A (en) * | 2017-02-15 | 2018-08-21 | 深圳市联创三金电器有限公司 | Carbon brush terminal integral structure |
| CN108736284A (en) * | 2017-04-13 | 2018-11-02 | 通用电气公司 | Brush carriage equipment with brush terminal |
-
2013
- 2013-07-29 CN CN201320453593.8U patent/CN203387329U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106936251A (en) * | 2015-12-31 | 2017-07-07 | 德昌电机(深圳)有限公司 | Motor |
| CN106936251B (en) * | 2015-12-31 | 2020-02-14 | 德昌电机(深圳)有限公司 | Electric machine |
| CN108429104A (en) * | 2017-02-15 | 2018-08-21 | 深圳市联创三金电器有限公司 | Carbon brush terminal integral structure |
| CN108736284A (en) * | 2017-04-13 | 2018-11-02 | 通用电气公司 | Brush carriage equipment with brush terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 518104 Guangdong city of Shenzhen province Baoan District manhole Street manhole West Maan Shan Industrial Park, Tai Tong Industrial Zone No. 1, No. 2, No. 3 Patentee after: SHENZHEN DONGMING MOTOR ELECTRIC CO.,LTD. Address before: 518104 Dongsheng Industrial Zone, Dili Road, Western Industrial Zone, Manholes, Shenzhen, Guangdong, Baoan District Patentee before: DONGMING MECHANICAL AND ELECTRICAL (SHENZHEN) Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: General micro motor with electric brush, and electric brush assembly of general micro motor Effective date of registration: 20180612 Granted publication date: 20140108 Pledgee: Shenzhen Baode letter Internet Nationwide Financial Services Inc. Pledgor: SHENZHEN DONGMING MOTOR ELECTRIC CO.,LTD. Registration number: 2018980000072 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20180613 Granted publication date: 20140108 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210613 Granted publication date: 20140108 |
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| PD01 | Discharge of preservation of patent | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210613 Granted publication date: 20140108 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20230613 Granted publication date: 20140108 |
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| PD01 | Discharge of preservation of patent | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhu Bairui Document name: Notice of Termination of Suspension Procedure |
|
| DD01 | Delivery of document by public notice | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 |
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| CF01 | Termination of patent right due to non-payment of annual fee |