CN204271799U - Miniature brush motor and brush cover thereof - Google Patents
Miniature brush motor and brush cover thereof Download PDFInfo
- Publication number
- CN204271799U CN204271799U CN201420793378.7U CN201420793378U CN204271799U CN 204271799 U CN204271799 U CN 204271799U CN 201420793378 U CN201420793378 U CN 201420793378U CN 204271799 U CN204271799 U CN 204271799U
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- Prior art keywords
- brush
- cover
- hole
- brush cover
- miniature
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- 230000000694 effects Effects 0.000 claims description 4
- 230000001680 brushing effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Abstract
Miniature brush motor and brush cover thereof, this miniature brush motor comprises brush assembly of electric; Brush assembly of electric comprises brush cover, two brushes and two flexible members; Brush cover comprises the first breach, is symmetricly set on the first breach both sides and is all provided with brush two brush arms in hole, unidirectional two cylinders, two the first through holes near respective cylinder and the second through hole between two cylinders near respective brush arm; Two brushes are respectively charged in two brush holes of brush cover; The endoporus of the elastic body of two flexible members is enclosed within two cylinders of brush cover respectively, first free end of two flexible members passes through rear hook on brush cover from the first respective through hole brush cover respectively, and the second free end of two flexible members withstands on the rear end of brushing the flexible member in hole separately respectively after each self-corresponding brush hole brush cover puts in.The miniature brush motor of the utility model has that structure is simple, easy to assembly, dismounting also convenient and low cost and other advantages.
Description
[
technical field]
The utility model relates to the support of motor; particularly relate to the motor bearing of equipment mechanical commutator or the device of protection brush or brush carrier; particularly relate to the brush assembly of electric of the miniature brush motor of the type, and relate to the miniature brush motor of this brush assembly of electric of equipment.
[
background technology]
See Figure 11 to Figure 14, the all equipment mechanical commutator of the miniature brush motor of prior art, all brush assembly of electric must be had, this brush assembly of electric comprises again two brush covers 60 ', two pieces of brushes 70 ', two filling-in bit terminals 78 and two flexible members, this flexible member is the Compress Spring 80 ' turned to by an elastic metallic yarn, two brush covers 60 ' are fixed on the fore-stock 10 ' of described miniature brush motor with screw 95 symmetrically respectively, the brush hole 68 ' of each brush cover 60 ' is interior is equipped with Compress Spring 80 ' and brush 70 ' respectively, each filling-in bit terminal 78 is separately fixed in two rectangular through holes 69 ' of each self-corresponding brush cover 60 ' tail end, to block each self-corresponding Compress Spring 80 ', each Compress Spring 80 ' front end withstands on the rear end face of each self-corresponding brush 70 ', each Compress Spring 80 ' rear end withstands on each self-corresponding filling-in bit terminal 78, under the elastic force effect of each self-corresponding Compress Spring 80 ', each brush 70 ' is protruding, the commutator 39 of the rotor assembly 30 of its front end face and described miniature brush motor keeps in touch.The miniature brush motor of prior art has following weak point: need two brush cover 60 ', two filling-in bit terminals 78 and two screws 95, part is many, and operation is many, also needs special messenger to fill filling-in bit terminal 78, inconvenient operation, and adds material and cost of labor.
[
utility model content]
The technical problems to be solved in the utility model is avoid above-mentioned the deficiencies in the prior art part and provide a kind of miniature brush motor and brush cover thereof, and the miniature brush motor being equipped with this brush cover has that structure is simple, easy to assembly, dismounting also convenient and low cost and other advantages.
The technical scheme that the utility model solve the technical problem employing is:
A kind of miniature brush motor is provided, comprises fore-stock, after-poppet, the rotor assembly that commutator is housed, brush assembly of electric, fore bearing and the rear bearing be arranged on described fore-stock, and be installed on the stator module between described forward and backward support; The rotating shaft of described rotor assembly is held by described axle and is arranged on described forward and backward support rotationally, and this rotating shaft rear end is stretched out from the central through hole of described after-poppet; Described brush assembly of electric comprises a brush cover, two brushes and two flexible members; Described brush cover comprise the commutator avoiding described rotor assembly the first breach, be symmetricly set on these the first breach both sides and be all provided with brush two brush arms in hole, unidirectional two cylinders, two the first through holes near respective Correspondent cy linder and the second through hole between two cylinders near respective corresponding brush arm; Be screwed into pass the second through hole of described brush cover by screw after in the screwed hole on described fore-stock, thus described brush cover is fixed on described fore-stock; Described flexible member comprises elastic body, and the first free end connected with these elastic body two ends respectively and the second free end; Two described brushes are respectively charged in two brush holes of described brush cover; The endoporus of the elastic body of two described flexible members is enclosed within two cylinders of described brush cover respectively, first free end of two described flexible members passes through rear hook on described brush cover from each self-corresponding first through hole described brush cover respectively, and the second free end of two described flexible members withstands on the rear end of brushing the flexible member in hole separately respectively after each self-corresponding brush hole described brush cover puts in; Under the elastic force effect of described flexible member, the front end face of two brushes overlaps in respective brush hole from described brush respectively and stretches out, to contact with the commutator face of described rotor assembly.
The free end of two cylinders of described brush cover is outwards all provided with projection.
Described projection is semi-cylindrical hill.
Described fore-stock comprises symmetrically arranged two support arms, and two support arms are all provided with the second breach; After in the second breach that two brush arms of described brush cover are inserted into two support arms of described fore-stock respectively accordingly, described brush cover is fixed on described fore-stock again.
Two brush arm outer surfaces of described brush cover are all provided with the projection of strip, after in the second breach that two brush arms of described brush cover are inserted into two support arms of described fore-stock respectively accordingly, the projection of each strip is close on the brush arm outer surface of each self-corresponding described brush cover respectively.
A kind of brush cover on miniature brush motor is also provided, comprises the first breach of the commutator of the rotor assembly avoiding brush motor, be symmetricly set on these the first breach both sides and be all provided with brush two brush arms in hole, unidirectional two cylinders, two the first through holes near respective Correspondent cy linder and the second through hole between two cylinders near respective corresponding brush arm.
Compared with the existing technology comparatively, the beneficial effect of the miniature brush motor of the utility model and brush cover thereof is:
Because brush nested structure of the present utility model is special, quantity only has one, and the miniature brush motor of the utility model is had, and structure is simple, easy to assembly, dismounting also convenient and low cost and other advantages.
[
accompanying drawing explanation]
Fig. 1 is the orthographic projection schematic front view of the miniature brush motor of the utility model;
Fig. 2 is the orthographic projection schematic front view that the brush assembly of electric of described miniature brush motor and fore-stock assemble when decomposing;
Fig. 3 is the axonometric projection schematic diagram of the brush assembly of electric of described miniature brush motor, fore-stock and rotor assembly rigging position relation;
Fig. 4 is the orthographic projection schematic top plan view of the relation of rigging position shown in Fig. 3;
Axonometric projection schematic diagram when Fig. 5 is brush cover and the fore-stock assembling decomposition of described brush assembly of electric;
Fig. 6 is the axonometric projection schematic diagram of described fore-stock;
Fig. 7 is the axonometric projection schematic diagram of described brush cover;
Fig. 8 is the axonometric projection schematic diagram in another direction of described brush cover;
Fig. 9 is that the orthographic projection of described brush cover mainly looks partial cutaway schematic view;
Figure 10 is the axonometric projection schematic diagram of the flexible member of described brush assembly of electric;
Figure 11 is the axonometric projection schematic diagram of the brush assembly of electric of the miniature brush motor of prior art, fore-stock and rotor assembly rigging position relation;
Figure 12 is the orthographic projection schematic front view that the brush assembly of electric of the miniature brush motor of prior art and fore-stock decompose;
Figure 13 is the axonometric projection schematic diagram of prior art brush cover;
Figure 14 is that the orthographic projection of the cover of brush shown in Figure 13 mainly looks generalized section.
[embodiment]
Below in conjunction with each accompanying drawing, the utility model is described in further detail.
See Fig. 1 to Figure 10, a kind of miniature brush motor, comprise fore-stock 10, after-poppet 20, the rotor assembly 30 that commutator 39 is housed, brush assembly of electric, fore bearing and the rear bearing be arranged on described fore-stock 10, and be installed on the stator module 40 between described forward and backward support 10,20; The rotating shaft 31 of described rotor assembly 30 is held by described axle and is arranged on described forward and backward support 10,20 rotationally, and this rotating shaft 31 rear end is stretched out from the central through hole of described after-poppet 20; Described brush assembly of electric comprises brush cover 60, two brushes 70 and two flexible members 80; Described brush cover 60 comprise the commutator 39 avoiding described rotor assembly 30 the first breach 61, be symmetricly set on these the first breach 61 both sides and be all provided with brush two brush arms 69 in hole 62, unidirectional two cylinders 63, two the first through holes 64 near respective Correspondent cy linder 63 and the second through hole 65 between two cylinders 63 near respective corresponding brush arm 69; Be screwed into pass the second through hole 65 of described brush cover 60 by screw 99 after in the screwed hole 11 on described fore-stock 10, thus described brush cover 60 is fixed on described fore-stock 10; Described flexible member 80 comprises elastic body 81, and the first free end 82 and the second free end 83 connected with these elastic body 81 two ends respectively; Two described brushes 70 are respectively charged in two brush holes 62 of described brush cover 60; The endoporus of the elastic body 81 of two described flexible members 80 is enclosed within two cylinders 63 of described brush cover 60 respectively, first free end 82 of two described flexible members 80 passes through rear hook on described brush cover 60 from each self-corresponding first through hole 64 described brush cover 60 respectively, and the second free end 83 of two described flexible members 80 withstands on the rear end of brushing the flexible member 80 in hole 62 separately respectively after each self-corresponding brush hole 62 described brush cover 60 puts in; Under the elastic force effect of described flexible member 80, the front end face of two brushes 70 overlaps in 60 respective brush holes 62 from described brush respectively and stretches out, to contact with commutator 39 surface of described rotor assembly 30.
Also have other parts of this miniature brush motor do not draw and mark in Fig. 1, they all belong to prior art, do not repeat them here.
See Fig. 7 and Fig. 8, the free end of two cylinders 63 of described brush cover 60 is outwards all provided with protruding 631.
See Fig. 7 and Fig. 8, described protruding 631 is semi-cylindrical hill.
See Fig. 3 and Fig. 5 to Fig. 9, described fore-stock 10 comprises on symmetrically arranged two support arms 19, two support arms 19 and is all provided with the second breach 191; After in the second breach 191 that two brush arms 69 of described brush cover 60 are inserted into two support arms 19 of described fore-stock 10 respectively accordingly, described brush cover 60 is fixed on described fore-stock 10 again.
See Fig. 3 and Fig. 5 to Fig. 9, two brush arm 69 outer surfaces of described brush cover 60 are all provided with the projection 68 of strip, after in the second breach 191 that two brush arms 69 of described brush cover 60 are inserted into two support arms 19 of described fore-stock 10 respectively accordingly, the projection 68 of each strip is close on brush arm 69 outer surface of each self-corresponding described brush cover 60 respectively, moves left and right in the second breach 191 of two support arms 19 of described fore-stock 10 with two brush arms 69 limiting described brush cover 60.
Brush cover 60 of the present utility model can adopt engineering plastics injection moulding one-shot forming to form.
The above embodiment only have expressed preferred implementation of the present utility model, and it describes comparatively concrete and detailed, but therefore can not 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 of doing with the utility model right and modification, all should belong to the covering scope of the utility model claim.
Claims (9)
1. a miniature brush motor, comprise fore-stock (10), after-poppet (20), the rotor assembly (30) that commutator (39) are housed, brush assembly of electric, fore bearing and the rear bearing be arranged on described fore-stock (10), and be installed on the stator module (40) between described forward and backward support (10,20); The rotating shaft (31) of described rotor assembly (30) is held by described axle and is arranged on rotationally on described forward and backward support (10,20), and this rotating shaft (31) rear end is stretched out from the central through hole of described after-poppet (20); It is characterized in that:
Described brush assembly of electric comprises a brush cover (60), two brushes (70) and two flexible members (80); Described brush cover (60) comprise the commutator (39) avoiding described rotor assembly (30) the first breach (61), be symmetricly set on these the first breach (61) both sides and two brush arms (69) being all provided with brush hole (62), the second through hole (65) of being positioned at unidirectional two cylinders (63) near respective corresponding brush arm (69), being positioned at two the first through holes (64) near respective Correspondent cy linder (63) and being positioned between two cylinders (63); By in the screwed hole (11) be screwed into after second through hole (65) of screw (99) through described brush cover (60) on described fore-stock (10), thus described brush cover (60) is fixed on described fore-stock (10);
Described flexible member (80) comprises elastic body (81), and the first free end (82) connected with this elastic body (81) two ends respectively and the second free end (83);
Two described brushes (70) are respectively charged in two brushes hole (62) of described brush cover (60); The endoporus of the elastic body (81) of two described flexible members (80) is enclosed within two cylinders (63) of described brush cover (60) respectively, first free end (82) of two described flexible members (80) respectively from described brush cover (60) each self-corresponding first through hole (64) pass through rear hook on described brush cover (60), second free end (83) of two described flexible members (80) respectively from described brush cover (60) each self-corresponding brush hole (62) withstand on the rear end of the flexible member (80) brushed separately in hole (62) after putting in; Under the elastic force effect of described flexible member (80), the front end face of two brushes (70) stretches out, to contact with commutator (39) surface of described rotor assembly (30) respectively in the respective brush hole (62) of described brush cover (60).
2. miniature brush motor according to claim 1, is characterized in that:
The free end of two cylinders (63) of described brush cover (60) is outwards all provided with projection (631).
3. miniature brush motor according to claim 2, is characterized in that:
Described projection (631) is semi-cylindrical hill.
4. the miniature brush motor according to any one of claims 1 to 3, is characterized in that:
Described fore-stock (10) comprises symmetrically arranged two support arms (19), and two support arms (19) are all provided with the second breach (191); After in the second breach (191) that two brush arms (69) of described brush cover (60) are inserted into two support arms (19) of described fore-stock (10) respectively accordingly, described brush cover (60) is fixed on described fore-stock (10) again.
5. miniature brush motor according to claim 4, is characterized in that:
Two brush arm (69) outer surfaces of described brush cover (60) are all provided with the projection (68) of strip, after in the second breach (191) that two brush arms (69) of described brush cover (60) are inserted into two support arms (19) of described fore-stock (10) respectively accordingly, the projection (68) of each strip is close on brush arm (69) outer surface of each self-corresponding described brush cover (60) respectively.
6. the brush cover on miniature brush motor; It is characterized in that:
Two brush arms (69) comprising first breach (61) of the commutator (39) of the rotor assembly (30) avoiding brush motor, be symmetricly set on these the first breach (61) both sides and be all provided with brush hole (62), the second through hole (65) being positioned at unidirectional two cylinders (63) near respective corresponding brush arm (69), being positioned at two the first through holes (64) near respective Correspondent cy linder (63) and being positioned between two cylinders (63).
7. the brush cover on miniature brush motor according to claim 6, is characterized in that:
The free end of two cylinders (63) is outwards all provided with projection (631).
8. the brush cover on miniature brush motor according to claim 7, is characterized in that:
Described projection (631) is semi-cylindrical hill.
9. the brush cover on miniature brush motor according to any one of claim 6 to 8, is characterized in that:
Two brush arm (69) outer surfaces of described brush cover (60) are all provided with the projection (68) of strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420793378.7U CN204271799U (en) | 2014-12-16 | 2014-12-16 | Miniature brush motor and brush cover thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420793378.7U CN204271799U (en) | 2014-12-16 | 2014-12-16 | Miniature brush motor and brush cover thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204271799U true CN204271799U (en) | 2015-04-15 |
Family
ID=52806644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420793378.7U Active CN204271799U (en) | 2014-12-16 | 2014-12-16 | Miniature brush motor and brush cover thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204271799U (en) |
-
2014
- 2014-12-16 CN CN201420793378.7U patent/CN204271799U/en active Active
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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. |
|
| PP01 | Preservation of patent right |
Effective date of registration: 20180613 Granted publication date: 20150415 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210613 Granted publication date: 20150415 |
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| PD01 | Discharge of preservation of patent | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210613 Granted publication date: 20150415 |
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| PD01 | Discharge of preservation of patent |
Date of cancellation: 20230613 Granted publication date: 20150415 |
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| PD01 | Discharge of preservation of patent | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20230613 Granted publication date: 20150415 |
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| PP01 | Preservation of patent right | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhu Bairui Document name: Notice of Termination of Suspension Procedure |
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| DD01 | Delivery of document by public notice |