CN201877933U - Electric brush sleeve with improved structure of direct current micro-motor, electric brush assembly and direct current micro-motor - Google Patents
Electric brush sleeve with improved structure of direct current micro-motor, electric brush assembly and direct current micro-motor Download PDFInfo
- Publication number
- CN201877933U CN201877933U CN2010205440397U CN201020544039U CN201877933U CN 201877933 U CN201877933 U CN 201877933U CN 2010205440397 U CN2010205440397 U CN 2010205440397U CN 201020544039 U CN201020544039 U CN 201020544039U CN 201877933 U CN201877933 U CN 201877933U
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- brush
- direct current
- cover
- electric
- electric brush
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Abstract
The utility model relates to a direct current micro-motor equipped with an electric brush sleeve with an improved structure. The direct current micro-motor comprises a shell, a rotor assembly, a front bracket and an electric brush assembly arranged on the front bracket, wherein the electric brush assembly comprises an electric brush plate, two electric brush sleeves, two electric brushes and springs; the two electric brushes are respectively equipped with a brush braid; the two electric brush sleeves are symmetrically fixed on the electric brush plate; the electric brush sleeves are respectively and internally equipped with the springs and the electric brushes; one end of the brush braid of each of the electric brushes is fixed on the corresponding electric brush while the other end of the brush braid is fixedly and electrically connected with the corresponding electric brush sleeve; the electric brush plate is fixed on the front bracket; and the upper surfaces of the electric brush sleeves are respectively equipped with an upward axial column. In the utility model, the electric brush assembly and the rotor assembly of the direct current micro-motor are conveniently assembled, and the production efficiency of assembly is simultaneously improved.
Description
[technical field]
The utility model relates to the support of motor; be particularly related to the device of supporting or protection brush or brush carrier; relate in particular to the structure-improved brush cover of direct current micromotor, and also relate to the direct current micromotor brush assembly of electric of this structure-improved brush cover of equipment and the direct current micromotor of assembling structure-improved brush cover.
[background technology]
Referring to Fig. 3 and Fig. 4, prior art direct current micromotor brush assembly of electric comprise brush plate 20, two brush covers 30 ', two brush 40 and springs 50 that respectively are provided with brush pigtail 41, brush plate 20 is fixed on the fore-stock 10 of direct current micromotor, two brush covers 30 ' symmetrically are fixed on the brush plate 20, each brush cover 30 ' interior spring 50 and brush 40 of being equipped with respectively, the brush pigtail 41 of brush 40 be connected electrically in separately brush cover 30 ' on; Because each brush cover 30 ' surface is smooth, when spring 50 and brush 40 pack into brush cover 30 ' after, under the elastic force effect of spring 50, brush 40 is protruding, its head is crossed the circumference sideline of the central through hole 25 of brush plate 20, when the rotor assembly of assembling direct current micromotor, must hold the brush pigtail 41 of brush 40 by external force, make brush 40 to cover base compression spring 50, make the central through hole 25 of the head of brush 40 away from brush plate 20, so just can make the commutator of the rotor assembly of direct current micromotor penetrate this brush assembly of electric swimmingly, difficulty and production efficiency were low when this structure made the rotor assembly of direct current micromotor and brush assembly of electric assembling.
[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 structure-improved brush cover of direct current micromotor, the direct current micromotor brush assembly of electric of equipment structure-improved brush cover and the direct current micromotor of assembling structure-improved brush cover is provided, just very convenient when the brush assembly of electric of this direct current micromotor and rotor assembly assembling, also improved the production efficiency of assembling simultaneously.
The technical scheme that the utility model solve the technical problem employing is:
A kind of structure-improved brush cover of direct current micromotor is provided, and described brush cover upper surface is provided with axial cylinder upwards; This axial cylinder is up-thin-low-thick truncated cone.
A kind of direct current micromotor brush assembly of electric of equipping structure-improved brush cover also is provided, comprise brush plate, two brush covers, two brush and springs that respectively are provided with the brush pigtail, two brush covers are fixed on the described brush plate symmetrically, respectively in this brush cover spring and brush are housed respectively; Brush pigtail one end of described each brush is fixed on separately the brush, and its other end fixedly is connected electrically in corresponding each brush and puts; Described each brush cover upper surface is equipped with axial cylinder upwards, and this axial cylinder is up-thin-low-thick truncated cone.Before the rotor assembly assembling of described brush assembly of electric and direct current micromotor, brush pigtail on each brush is walked around from the cylinder outside of the cover of brush separately upper surface respectively, and be close to respectively this cylinder, make described each brush toward cover base compression spring separately, thereby make the central through hole of the head of described each brush away from described brush plate, so that during with the assembling of described rotor assembly, commutator on the rotor assembly passes through central through hole smoothly, wait assemble after, again the described pigtail of respectively brushing is extracted from the cylinder limit of separately brush cover, the described pigtail of respectively brushing is passed through from the cylinder inboard of brush cover separately, under the elastic force effect of described spring, described each brush stretches out brush cover separately, and its head contacts with the commutator face of described rotor assembly.
A kind of direct current micromotor that assembles structure-improved brush cover is provided again, comprises housing, rotor assembly, fore-stock and be installed in brush assembly of electric on this fore-stock; Described brush assembly of electric comprises brush plate, two brush covers, two brush and springs that respectively are provided with the brush pigtail again, and two brush covers are fixed on the described brush plate symmetrically, respectively in this brush cover spring and brush is housed respectively; Brush pigtail one end of described each brush is fixed on separately the brush, and its other end fixedly is connected electrically in corresponding each brush and puts; Described brush plate is fixed on the described fore-stock; Described each brush cover upper surface is equipped with axial cylinder upwards, and this axial cylinder is up-thin-low-thick truncated cone.Before described brush assembly of electric and the rotor assembly assembling, brush pigtail on each brush is walked around from the cylinder outside of the cover of brush separately upper surface respectively, and be close to respectively this cylinder, make described each brush toward cover base compression spring separately, thereby make the central through hole of the head of described each brush away from described brush plate, so that during with the assembling of described rotor assembly, commutator on the rotor assembly passes through central through hole smoothly, wait assemble after, again the described pigtail of respectively brushing is extracted from the cylinder limit of separately brush cover, the described pigtail of respectively brushing is passed through from the cylinder inboard of brush cover separately, under the elastic force effect of described spring, described each brush stretches out brush cover separately, and its head contacts with the commutator face of described rotor assembly.
Compare with prior art, the beneficial effect of structure-improved brush cover, brush assembly of electric and the direct current micromotor of the utility model direct current micromotor is:
Specially be provided with axial cylinder upwards at brush cover upper surface; Before the brush assembly of electric of direct current micromotor and the rotor assembly assembling, brush pigtail on each brush is walked around from the cylinder outside of the cover of brush separately upper surface respectively, and be close to respectively this cylinder, make described each brush toward cover base compression spring separately, thereby make the central through hole of the head of described each brush away from described brush plate, so that during with the assembling of described rotor assembly, commutator on the rotor assembly passes through central through hole smoothly, wait assemble after, again the described pigtail of respectively brushing is extracted from the cylinder limit of separately brush cover, the described pigtail of respectively brushing is passed through from the cylinder inboard of brush cover separately, under the elastic force effect of described spring, described each brush stretches out brush cover separately, and its head contacts with the commutator face of described rotor assembly.
By adopting said structure, just very convenient when the brush assembly of electric of this direct current micromotor and rotor assembly assembling, also improved the production efficiency of assembling simultaneously.
[description of drawings]
Fig. 1 is the axonometric projection schematic diagram of the structure-improved brush cover of the utility model direct current micromotor;
Fig. 2 is the brush assembly of electric of direct current micromotor of the utility model equipment structure-improved brush cover and the main schematic diagram of looking of orthographic projection that fore-stock 10 is assembled together;
The axonometric projection schematic diagram of Fig. 3 prior art direct current micromotor brush cover;
Fig. 4 is the brush assembly of electric of prior art direct current micromotor and the main schematic diagram of looking of orthographic projection that fore-stock is assembled together.
[embodiment]
Below in conjunction with each accompanying drawing the utility model is described in further detail.
Referring to Fig. 1, a kind of structure-improved brush cover of direct current micromotor, described brush overlap 30 upper surfaces and are provided with axial cylinder 31 upwards; Described axial cylinder 31 is up-thin-low-thick truncated cones.
Referring to Fig. 1 and Fig. 2, a kind of direct current micromotor of equipping structure-improved brush cover comprises housing (not shown), rotor assembly (not shown), fore-stock 10 and is installed in brush assembly of electric on this fore-stock 10; Described brush assembly of electric comprises that again brush 40 and 50, two brushes covers 30 of spring that brush plate 20, two 30, two in brush covers respectively are provided with brush pigtail 41 are fixed on the described brush plate 20 symmetrically, respectively are equipped with spring 50 and brush 40 respectively in this brush cover 30; Brush pigtail 41 1 ends of described each brush 40 are fixed on separately the brush 40, and its other end fixedly is connected electrically on corresponding each brush cover 30; Described brush plate 20 is fixed on the described fore-stock 10; Described each brush overlaps 30 upper surfaces and is equipped with axial cylinder 31 upwards.The axial cylinder 31 that described brush overlaps 30 upper surfaces is up-thin-low-thick truncated cones.
Before described brush assembly of electric and the rotor assembly assembling, brush pigtail 41 on each brush 40 is walked around from cylinder 31 outsides that brush separately overlaps 30 upper surfaces respectively, and be close to respectively this cylinder 31, make described each brush 40 toward cover base compression spring 50 separately, thereby make the central through hole 25 of the head of described each brush 40 away from described brush plate 20, so that during with the assembling of described rotor assembly, commutator on the rotor assembly passes through central through hole 25 smoothly, wait assemble after, again the described pigtail 41 of respectively brushing is extracted from cylinder 31 limits of separately brush cover 30, the described pigtail 41 of respectively brushing is passed through from cylinder 31 inboards of the cover of brush separately 30, under the elastic force effect of described spring 50, described each brush 40 stretches out brush cover 30 separately, and its head contacts with the commutator face of described rotor assembly.
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 claim; Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection range of the present utility model; Therefore, all equivalents and modifications of being done with the utility model claim scope all should belong to the covering scope of the utility model claim.
Claims (6)
1. the structure-improved brush cover of a direct current micromotor; It is characterized in that:
Described brush cover (30) upper surface is provided with axial cylinder (31) upwards.
2. the structure-improved brush cover of direct current micromotor according to claim 1 is characterized in that:
Described axial cylinder (31) is up-thin-low-thick truncated cone.
3. equip the direct current micromotor brush assembly of electric that the structure-improved brush overlaps for one kind, comprise brush plate (20), two brush covers (30), two brush (40) and springs (50) that respectively are provided with brush pigtail (41), two brush covers (30) are fixed on the described brush plate (20) symmetrically, respectively in this brush cover (30) spring (50) and brush (40) are housed respectively; Brush pigtail (41) one ends of described each brush (40) are fixed on separately the brush (40), and its other end fixedly is connected electrically on corresponding each brush cover (30); It is characterized in that:
Described each brush cover (30) upper surface is equipped with axial cylinder (31) upwards.
4. the direct current micromotor brush assembly of electric of equipment structure-improved brush cover according to claim 3 is characterized in that:
The axial cylinder (31) of described brush cover (30) upper surface is up-thin-low-thick truncated cone.
5. direct current micromotor of equipping structure-improved brush cover comprises housing, rotor assembly, fore-stock (10) and is installed in brush assembly of electric on this fore-stock (10); Described brush assembly of electric comprises brush plate (20), two brush covers (30), two brush (40) and springs (50) that respectively are provided with brush pigtail (41) again, two brush covers (30) are fixed on the described brush plate (20) symmetrically, respectively in this brush cover (30) spring (50) and brush (40) are housed respectively; Brush pigtail (41) one ends of described each brush (40) are fixed on separately the brush (40), and its other end fixedly is connected electrically on corresponding each brush cover (30); Described brush plate (20) is fixed on the described fore-stock (10); It is characterized in that:
Described each brush cover (30) upper surface is equipped with axial cylinder (31) upwards.
6. the direct current micromotor of equipment structure-improved brush cover according to claim 5 is characterized in that:
The axial cylinder (31) of described brush cover (30) upper surface is up-thin-low-thick truncated cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205440397U CN201877933U (en) | 2010-09-21 | 2010-09-21 | Electric brush sleeve with improved structure of direct current micro-motor, electric brush assembly and direct current micro-motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205440397U CN201877933U (en) | 2010-09-21 | 2010-09-21 | Electric brush sleeve with improved structure of direct current micro-motor, electric brush assembly and direct current micro-motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201877933U true CN201877933U (en) | 2011-06-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205440397U Expired - Fee Related CN201877933U (en) | 2010-09-21 | 2010-09-21 | Electric brush sleeve with improved structure of direct current micro-motor, electric brush assembly and direct current micro-motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201877933U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106911213A (en) * | 2012-02-24 | 2017-06-30 | 瑞美技术有限责任公司 | Brush holder of AC generator |
| CN111283588A (en) * | 2020-03-31 | 2020-06-16 | 赵华勇 | Fixture mechanism for installing carbon brush of direct current pump |
-
2010
- 2010-09-21 CN CN2010205440397U patent/CN201877933U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106911213A (en) * | 2012-02-24 | 2017-06-30 | 瑞美技术有限责任公司 | Brush holder of AC generator |
| CN106911213B (en) * | 2012-02-24 | 2019-06-14 | 瑞美技术有限责任公司 | Brush holder of AC generator |
| CN111283588A (en) * | 2020-03-31 | 2020-06-16 | 赵华勇 | Fixture mechanism for installing carbon brush of direct current pump |
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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: Dongming Shenzhen electromechanical Limited by Share Ltd Address before: 518104 Guangdong city of Shenzhen Province in Western Baoan District manhole Maan Shan Industrial Park Ditang Industrial Zone No. 2 Patentee before: Dongming Mechanical and Electrical (Shenzhen) Co., Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Electric brush sleeve with improved structure of direct current micro-motor, electric brush assembly and direct current micro-motor Effective date of registration: 20180612 Granted publication date: 20110622 Pledgee: Shenzhen Baode letter Internet Nationwide Financial Services Inc Pledgor: Dongming Shenzhen electromechanical Limited by Share Ltd Registration number: 2018980000072 |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20180613 Granted publication date: 20110622 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20200921 Granted publication date: 20110622 |
|
| 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: 20110622 Termination date: 20180921 |