CN1780103A - Brush supporting structure of bracket for universal electric motor - Google Patents
Brush supporting structure of bracket for universal electric motor Download PDFInfo
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- CN1780103A CN1780103A CN 200410072832 CN200410072832A CN1780103A CN 1780103 A CN1780103 A CN 1780103A CN 200410072832 CN200410072832 CN 200410072832 CN 200410072832 A CN200410072832 A CN 200410072832A CN 1780103 A CN1780103 A CN 1780103A
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- brush
- spring
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- purpose machine
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Abstract
An electric brush supporter on supporting frame for universal motor has an electric brush fixer formed on the supporting frame of stator, and a spring guiding slot for a brush spring to support the back end of electric brush.
Description
Technical field
The invention relates to the general parts of washing machine motor, a kind of brush supporting construction that can assemble the general-purpose machine of brush with carriage easily of more specifically saying so.
Background technology
In general, motor for washer is widely used general-purpose machine, does not use magnet and coil is set on rotor, usually, all can use on alternating current or direct current, and detent torque is very big, and the fast height of zero load rotation obtains high speed rotating easily.So, no matter on the vacuum cleaner of washing machine or the high power output of needs, all can use widely.
Such general-purpose machine is broadly divided into casing type and support rack type, and the former is arranged on casing inside to motor, prevents that foreign matter from entering, and the latter is emerging in the outside to motor, improves radiating effect.
Fig. 1 is the perspective view of general-purpose machine in the past; Fig. 2 is the decomposition texture schematic diagram of general-purpose machine carriage center brush and tachometer in the past.
As shown in the figure, when general-purpose machine in the past is included in plane projection, the anterior brackets 1 and the tail-bracket 2 that are provided with at a distance of appointed interval in the both sides, front and back that form with the belt form of square, the stator 3 that between front rack 1 and tail-bracket 2, closely fixedly installs, the rotor 4 that rotatably is provided with because of magneticaction in stator 3 inboards, be pressed into and be combined in rotor 4 centers and transmit its revolving force and rotatably support and be combined in two lateral brackets 1, rotating shaft 5 on 2, at corresponding two lateral brackets 1 in both sides, rotating shaft 5 front and back, be inserted between 2 and supporting rotating shaft 5 smooth fore bearing 6A and the rear bearing 6B that rotate, be fixedly installed on rotating shaft 5 back and alternately change supplying electric current and make the rectifier 7 of rotor 4 to the certain orientation rotation, be fixedly installed on the tail-bracket 2 with rectifier 7 with being in contact with one another, and the brush assembly of electric 8 of electric current supply to the rectifier 7, the tachometer 9 that is arranged on inductiopn rotor 4 rotary speeies near the tail-bracket 2 the rear bearing 6B constitutes.
As shown in Figure 2, tail-bracket 2 utilizes non-conductive engineering plastics to cast, comprise and closely be fixed on tetragonal fixed part 2a on the stator 3, fixed part 2a inner peripheral surface suitable position is to the rib 2b of axis direction with the shape formation of rib, and the place that each rib 2b replaces is formed with the accommodation section 2c that rear bearing 6B is installed.
Be formed with a plurality of brush combined hole 2a-1 accordingly with brush holder 8a through hole 8a-3 on fixed part 2a two respective side, and each personal bolt N1 is in conjunction with fixed brush assembly 8.
2c its outer peripheral face in accommodation section is formed with transducer installed surface 2c-1, the front and back of transducer installed surface 2c-1 or the left and right sides are formed with a plurality of transducer combined hole 2c-2, and the corresponding joint bolt N2 of a plurality of through hole 9a-1 that is provided with tachometer 9 two ends separately.
Brush assembly of electric 8 is slided and is inserted the brush 8b of brush holder 8a inside by the brush holder 8a of secure bond at tail-bracket 2, and resiliency supported brush 8b and the brush spring 8c that brush 8b is contacted all the time on rectifier 7 constitute.
Undeclared symbol 8d is a brush cover in the figure.
Above-mentioned general-purpose machine action in the past is as follows.
For the current delivery of stator 3 input to brush assembly of electric 8, the current polarity that then is delivered to brush assembly of electric 8 is changed by rectifier 7, rotor 4 rotates constantly, the revolving force of rotor 4 is delivered to through rotating shaft 5 in the rotary body such as washing machine, and is rotated with suitable speed.At this moment, the tachometer 9 that is arranged on tail-bracket 2 is sensed the rotary speed of rotor 4 and rotating shaft 5, and keeps suitable speed and be rotated.
But, in general-purpose machine in the past, when brush assembly of electric 8 is assembled in tail-bracket 2, in brush holder 8a, place in order after brush 8b and the brush spring 8c, be close to rectifier 7 in brush 8b front and under the situation of compression, need to be combined on the tail-bracket 2 with a plurality of bolt N1, so the assembling worker is complicated, simultaneously, the motor producing cost rises, and production efficiency reduces.
Summary of the invention
The present invention is that the shortcoming of general-purpose machine proposes in order to solve in the past, and its purpose is to provide the brush supporting construction of a kind of general-purpose machine of easy assembling brush assembly of electric with carriage.
In order to achieve the above object, the general-purpose machine brush supporting construction of carriage according to the present invention, comprise and be formed with the brush holder that supports brush on the carriage of support stator, it is characterized in that the brush holder side is formed with the spring gathering sill vertically, one end of brush spring is fixed, and other end perforation brush holder support the brush rear end.
The general-purpose machine brush supporting construction of carriage according to the present invention, be formed with the brush holder of both ends open on tail-bracket, and brush is inserted from the rear end, the side of its brush holder is formed with the spring gathering sill, and brush spring resilient support brush with anti-torsion spring formation, so, when need not assembling brush holder in addition, can assemble brush rapidly, simplified the packaging technology of motor, therefore, when reducing the general-purpose machine producing cost, enhance productivity.
Description of drawings
Fig. 1 is the perspective view of general-purpose machine in the past;
Fig. 2 is the decomposition texture schematic diagram of general-purpose machine carriage center brush and tachometer in the past;
Fig. 3 is the decomposition texture schematic diagram of carriage center brush of the present invention;
Fig. 4 is the package assembly schematic diagram of general-purpose machine brush of the present invention;
Fig. 5 is the package assembly floor map of general-purpose machine brush of the present invention.
Explanation for major part symbol among the figure:
10: tail-bracket 11: fixed part
11a: stator benchmark projection 12: rib
13: accommodation section 14: brush holder
14a: brush insertion groove 14b: spring gathering sill
15: spring supporting projections 16: the spring support hook
20: brush assembly of electric 21: brush
22: brush spring 30: tachometer.
Embodiment
The present invention is described in detail to reach embodiment with reference to the accompanying drawings.
Fig. 3 is the decomposition texture schematic diagram of carriage center brush of the present invention; Fig. 4 is the package assembly schematic diagram of general-purpose machine brush of the present invention; Fig. 5 is the package assembly floor map of general-purpose machine brush of the present invention.
With reference to Fig. 1, in the general-purpose machine of the present invention, tight fixed stator 3 between two lateral brackets 1,10, in stator 3 inboards rotor 4 is set rotatably, be pressed into rotating shaft 5 at rotor 4 centers and on two lateral brackets 1,10, rotatably support with bearing 6A, 6B, be fixedly installed on a side of rotating shaft 5, and the rectifier 7 that rotor 4 is rotated to certain orientation, be in contact with one another with rectifier 7 and the brush assembly of electric 20 of supplying electric current is fixedly installed on the tail-bracket 10, and the tachometer 30 of inductiopn rotor 4 rotary speeies be arranged on the center of tail-bracket 10.
Tail-bracket 10 utilizes non-conductive material such as plastic injection-moulded formation, include closely to be fixed on and form quadrangle fixed part 11 on the stator 3, fixed part 11 inner peripheral surface suitable positions are to the rib 12 of axis direction with the shape formation of rib, and the place that each rib 12 crosses is formed with the accommodation section 13 that rear bearing 6B is installed.
Fixed part 11 corresponding both sides are formed with the brush holder 14 of the above-mentioned separately brush assembly of electric 20 of insertion, one side of brush holder 14 is formed with the spring supporting projections 15 of inserting brush spring 22 wound portions, and a side of spring supporting projections 15 is formed with the spring support hook 16 that supports brush spring 22 1 ends.
As shown in Figure 3, Figure 4, brush holder 14 forms with cylindrical shell shape empty in the both ends open, its inside is formed with brush insertion groove 14a, and the another side is formed with end perforation brush holder 14 sides of brush spring 22 and the spring gathering sill 14b of resiliency supported brush 21 rear ends.As shown in Figure 5, be formed with transducer installed surface 13a above the accommodation section 13, transducer installed surface 13a one side with "? " number shape is formed with hook 13b, tangle the also hang-up end 31 of fixed rotating speed meter 30 1 sides, its hook 13b offside is formed with the corresponding to combined hole 13c of through hole 32a that is provided with tachometer 30 opposite side binding ends 32, and with bolt N4 combination.
Brush assembly of electric 20 is inserted in the brush 21 in the brush holder 14 of tail-bracket 10 by slip, resiliency supported brush 21 makes it all the time that the brush spring 22 of contact rectifier 7 constitutes.
The anti-torsion spring of brush spring 22 usefulness forms, wound portion in the middle of it is inserted on the spring supporting projections 15 of tail-bracket, the one end hangs on the spring support hook 16 of tail-bracket 10 fixing, and its other end is inserted among the spring gathering sill 14b of brush holder 14 is close to the rear end of supporting brush 21.
The same in the past part of figure neutralization has marked same symbol.
General-purpose machine of the present invention has following effect and effect with the brush supporting construction of carriage.
The current delivery of giving stator 3 inputs is to brush assembly of electric 20, the current polarity that then is delivered to brush assembly of electric 20 is changed by rectifier 7, so rotor 4 rotations and 5 rotations of driven rotary axle, the revolving force that rotating shaft 5 transmits rotor 4 is rotated in rotary bodies such as washing machine constantly.At this moment, rotating shaft 5 rotary speeies of tachometer 30 inductions and 4 rotations of rotor, and control is rotated with suitable speed.
Here, when giving brush holder 14 assemblings of brush assembly of electric 20 of rectifier 7 delivered currents, be integrally formed on the tail-bracket 10, need not make brush holder 14 in addition, so remove the assembling procedure of brush holder 14, owing to simplified the packaging technology of motor, therefore.In the producing cost that reduces general-purpose machine, improved production efficiency.
And, in assembling brush 21, insert brush 21 by brush holder 14 open rearward end, the brush spring of fixing with hanging over spring supporting projections 15 and spring support hook 16 22, because of one end resiliency supported in the rear end of brush 21, so, can be easily and assemble brush 21 rapidly, when reducing producing cost, improved production efficiency.
Claims (2)
1. a general-purpose machine is with the brush supporting construction of carriage, comprise and be formed with the brush holder that supports brush on the carriage of support stator, it is characterized in that the brush holder side is formed with the spring gathering sill vertically, one end of brush spring is fixed, and other end perforation brush holder support the brush rear end.
2. the general-purpose machine according to claim 1 brush supporting construction of carriage, it is characterized in that brush spring is after inserting on the spring supporting projections of carriage by the wound portion of centre, make the one end be fixed on the spring support hook, the anti-torsion spring that the opposite other end supports the brush rear end forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410072832 CN1780103A (en) | 2004-11-19 | 2004-11-19 | Brush supporting structure of bracket for universal electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410072832 CN1780103A (en) | 2004-11-19 | 2004-11-19 | Brush supporting structure of bracket for universal electric motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1780103A true CN1780103A (en) | 2006-05-31 |
Family
ID=36770261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410072832 Pending CN1780103A (en) | 2004-11-19 | 2004-11-19 | Brush supporting structure of bracket for universal electric motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1780103A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013016964A1 (en) * | 2011-08-02 | 2013-02-07 | 中山大洋电机制造有限公司 | End cover assembly structure of motor with brush |
| CN103944319A (en) * | 2014-05-09 | 2014-07-23 | 上海马陆日用友捷汽车电气有限公司 | Electrical connecting part |
| CN105978212A (en) * | 2016-05-11 | 2016-09-28 | 无锡市河埒传感器有限公司 | Motor brush supporting device |
-
2004
- 2004-11-19 CN CN 200410072832 patent/CN1780103A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013016964A1 (en) * | 2011-08-02 | 2013-02-07 | 中山大洋电机制造有限公司 | End cover assembly structure of motor with brush |
| CN103944319A (en) * | 2014-05-09 | 2014-07-23 | 上海马陆日用友捷汽车电气有限公司 | Electrical connecting part |
| CN105978212A (en) * | 2016-05-11 | 2016-09-28 | 无锡市河埒传感器有限公司 | Motor brush supporting device |
| CN105978212B (en) * | 2016-05-11 | 2018-05-04 | 无锡市河埒传感器有限公司 | A kind of motor brush support device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: NANJING XIANAN ELECTRIC MACHINE CO., LTD. Free format text: FORMER OWNER: LG ELECTRONICS ( TIANJIN ) ELECTRICAL APPLIANCES CO., LTD. Effective date: 20090731 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20090731 Address after: Nanjing Qixia economic and Technological Development Zone No. 15 Jiang Yue Road, zip code: 210034 Applicant after: Nanjing Xian'an Electric Machine Co., Ltd. Address before: Beichen District, Tianjin Xing Dian Highway Code: 300402 Applicant before: Lejin Electronic and Electric Appliance Co., Ltd. (Tianjin) |
|
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20060531 |