CN203722422U - Windscreen wiper motor structure - Google Patents
Windscreen wiper motor structure Download PDFInfo
- Publication number
- CN203722422U CN203722422U CN201420047757.1U CN201420047757U CN203722422U CN 203722422 U CN203722422 U CN 203722422U CN 201420047757 U CN201420047757 U CN 201420047757U CN 203722422 U CN203722422 U CN 203722422U
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- Prior art keywords
- brush
- stainless steel
- brush holder
- electrical machine
- motor
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Abstract
The utility model provides a windscreen wiper motor structure, which is applied to automobile windscreen wiper parts. The windscreen wiper motor structure comprises a speed reduction gearbox, an armature, a motor shell, a commutator (11) and a brush frame (1), wherein the brush frame (1) is configured to be of a structure made by plastics, two obliquely-arranged stainless steel elastic sheets (2) are fixedly installed on the brush frame (1), and each of the two stainless steel elastic sheets (2) is provided with a carbon brush (3). By adopting the structure, the windscreen wiper motor structure provided by the utility model avoids the problem of shutdown of the motor due to poor tin soldering or struck carbon brushes in the prior art, and completely solves the problem of unstable operation of the motor due to rusting of the springs or assembly fault since the corrosion resistance of the stainless steel elastic sheets far exceeds that of the galvanized springs; meanwhile, the carbon brushes are not directly connected with the brush frame, thus the motor noise is greatly reduced, the motor can operate more stably, and the problems of carbon brush clamping stagnation and loud noise are completely solved.
Description
Technical field
The utility model belongs to vehicle wiper component technology field, more particularly, relates to a kind of rain shaving electrical machine structure.
Background technology
The motor of vehicle wiper is made up of reduction box, brush holder, armature and casing at present.Motor is installed on the front air chamber of automobile, nearer apart from driver's cabin, sealing between independent brand automobile plastic cover plate and glass is firm not, and the design of air chamber water guide is perfect not enough, and waterproof, noise and the temperature rise of rain shaving electrical machine is to affect the subject matter that motor uses.The brush holder of existing motor is made up of wiring board, inductance, electric capacity, brush box, spring, carbon brush and brush whip.Its main feature be inductance, electric capacity soldering in the circuit board, in the circuit board, carbon brush is contained in brush box inside to brush box riveting, and this structure soldering is completed by artificial craft, be difficult to control, easily cause not prison welding, occur obscission, the brush box after riveting is yielding, cause carbon brush clamping stagnation, motor quits work, brush box and brush rack plate support rigid connection, and motor noise is larger.And; the brush box of wiper blade structure of the prior art and carbon brush are conductings; motor internal enters in the gap that little water steam easily condenses in brush box and carbon brush a little; because brush box is different with carbon brush material; after energising, produce potential difference, can accelerate the corrosion of brush box, the rusty stain producing after brush box corrosion can block the gap of brush box and carbon brush; cause motor output unstable, and then quit work.
Utility model content
Technical problem to be solved in the utility model is: for the deficiencies in the prior art, provide a kind of simple in structure, can solve motor fluctuation of service problem, make motor noise and vibration significantly reduce simultaneously, smooth working more, thoroughly solve carbon brush clamping stagnation, the rain shaving electrical machine structure of the large problem of noise.
Solve above-described technical problem, the technical scheme that the utility model is taked is:
The utility model is a kind of rain shaving electrical machine structure, comprises reduction box, armature, motor casing, commutator, brush holder, the structure that described brush holder is set to be made of plastics, fixedly mounts two stainless steel shell fragments that are obliquely installed on brush holder, a carbon brush of each installation on two stainless steel shell fragments.
Described brush holder comprises brush holder body, left protuberance, right protuberance, left protuberance is connected at brush holder body two ends respectively with right protuberance, left protuberance, is U-shaped structure between right protuberance and brush holder body, and two stainless steel shell fragments are arranged on brush holder body.
Two described carbon brush are fixed riveting by rivet respectively and are contained on two stainless steel shell fragments, and two stainless steel shell fragments are all set to rod shaped structure, between two stainless steel shell fragments, are set to be splay structure.
The commutator of described rain shaving electrical machine structure is set to be fitted in two structures between carbon brush, two stainless steel shell fragments comprise respectively shell fragment bottom I and shell fragment bottom II, and shell fragment bottom I and shell fragment bottom II are fixedly mounted on the brush holder body of brush holder by injection moulding mode respectively.
Two described carbon brush are arranged on respectively the medium position of two stainless steel shell fragments, the brush whip via hole I of bending and the brush whip via hole II of bending are set respectively in described shell fragment bottom I and shell fragment bottom II, and two brush whips of rain shaving electrical machine structure are installed on respectively in brush whip via hole I and brush whip via hole II.
The brush holder body of described brush holder, left protuberance and right protuberance are set to integral structure.
Adopt the technical solution of the utility model, can obtain following beneficial effect:
Rain shaving electrical machine structure described in the utility model, utilizing brush holder to be set to plastic material makes, replace spring of the prior art with stainless steel shell fragment, carbon brush is directly installed on stainless steel shell fragment, such structure, avoid in prior art the bad and not work problem of the stuck motor causing of carbon brush of soldering, the decay resistance of stainless steel shell fragment is considerably beyond the spring after zinc-plated, thoroughly solve and get rusty or assemble the motor fluctuation of service problem of slipping up and causing because of spring, simultaneously, carbon brush is not directly connected with brush holder, motor noise is significantly reduced, can be more steady, quietly work, thoroughly solve carbon brush clamping stagnation, the problem that noise is large.
Brief description of the drawings
Mark in the each accompanying drawing of this specification expressed content and figure is made to brief description below:
Fig. 1 is the sectional structure schematic diagram of rain shaving electrical machine structure described in the utility model;
Accompanying drawing acceptance of the bid note is respectively: 1, brush holder; 2, stainless steel shell fragment; 3, carbon brush; 4, brush holder body; 5, left protuberance; 6, right protuberance; 7, shell fragment bottom I; 8, shell fragment bottom II; 9, brush whip via hole I; 10, brush whip via hole II; 11, commutator.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, embodiment of the present utility model is described in further detail as effect and the operation principle etc. of the mutual alignment between the shape of related each member, structure, each several part and annexation, each several part:
As shown in Figure 1, the utility model is a kind of rain shaving electrical machine structure, comprise reduction box, armature, motor casing, commutator 11, brush holder 1, the structure that described brush holder 1 is set to be made of plastics, fixedly mounts a carbon brush 3 of each installation on 2, two stainless steel shell fragments 2 of two stainless steel shell fragments that are obliquely installed on brush holder 1.
Described brush holder 1 comprises brush holder body 4, left protuberance 5, right protuberance 6, left protuberance 5 is connected at brush holder body 4 two ends respectively with right protuberance 6, left protuberance 5, is U-shaped structure between right protuberance 6 and brush holder body 4, and two stainless steel shell fragments 2 are arranged on brush holder body 4.Stainless steel shell fragment of the present utility model is directly installed on the brush holder body 4 of brush holder, and it is more convenient, firm to assemble, and that plastic material can play is heat insulation, the effect of absorbing, and this has significant effect for noise and temperature rise of reducing motor.
Rain shaving electrical machine structure described in the utility model, utilizing brush holder to be set to plastic material makes, replace spring of the prior art with stainless steel shell fragment, carbon brush is directly installed on stainless steel shell fragment, such structure, avoid in prior art the bad and not work problem of the stuck motor causing of carbon brush of soldering, the decay resistance of stainless steel shell fragment is considerably beyond the spring after zinc-plated, thoroughly solve and get rusty or assemble the motor fluctuation of service problem of slipping up and causing because of spring, simultaneously, carbon brush is not directly connected with brush holder, motor noise is significantly reduced, can be more steady, quietly work, thoroughly solve carbon brush clamping stagnation, the problem that noise is large.
Two described carbon brush 3 are fixed riveting by rivet respectively and are contained on two stainless steel shell fragments 2, and two stainless steel shell fragments 2 are all set to rod shaped structure, between two stainless steel shell fragments 2, are set to be splay structure.
The commutator 11 of described rain shaving electrical machine structure is set to be fitted in two structures between carbon brush 3; such structure; can guarantee that commutator 11 can be installed between two carbon brush 3 reliably; make the motor can reliability service; two stainless steel shell fragments 2 comprise respectively shell fragment bottom I 7 and shell fragment bottom II 8, and shell fragment bottom I 7 and shell fragment bottom II 8 are fixedly mounted on the brush holder body 4 of brush holder 1 by injection moulding mode respectively.Like this, two stainless steel shell fragments can be connected with brush holder reliably, have improved the global reliability of motor.
Two stainless steel shell fragments are splayed setting,, by carbon brush and commutator forcing together tightly, easily lose efficacy and cause the problem of carbon brush clamping stagnation while avoiding electric machine structure of the prior art to use spring in each self-forming bending angle.
Two described carbon brush 3 are arranged on respectively the medium position of two stainless steel shell fragments 2, the brush whip via hole I 9 of bending and the brush whip via hole II 10 of bending are set respectively in described shell fragment bottom I 7 and shell fragment bottom II 8, and two brush whips of rain shaving electrical machine structure are installed on respectively in brush whip via hole I 9 and brush whip via hole II 10.Such structure, in the time that electric machine structure is worked, can realize the reliable fixing and location of two brush whips.The space mounting that makes to brush whip is stable, compacter with respect to existing structure, has cancelled brush whip trimming, has effectively solved in brush whip installation process and the problem of other electronic component hypotelorisms, can better test by EMC.
The brush holder body 4 of described brush holder 1, left protuberance 5 and right protuberance 6 are set to integral structure.
The structure of rain shaving electrical machine of the present utility model, the brush rocker structure compactness of electric machine structure, assembly technology is simple, component structural symmetry, negligible amounts, is convenient to produce in enormous quantities and application more.
By reference to the accompanying drawings the utility model is carried out to exemplary description above; obviously the concrete realization of the utility model is not subject to the restrictions described above; as long as the various improvement that adopted method design of the present utility model and technical scheme to carry out; or without improving, design of the present utility model and technical scheme are directly applied to other occasions, all in protection range of the present utility model.
Claims (6)
1. a rain shaving electrical machine structure, comprise reduction box, armature, motor casing, commutator (11), brush holder (1), is characterized in that: the structure that described brush holder (1) is set to be made of plastics, two stainless steel shell fragments (2) that are obliquely installed of the upper fixed installation of brush holder (1), the upper carbon brush of each installation (3) of two stainless steel shell fragments (2).
2. rain shaving electrical machine structure according to claim 1, it is characterized in that: described brush holder (1) comprises brush holder body (4), left protuberance (5), right protuberance (6), left protuberance (5) is connected at brush holder body (4) two ends respectively with right protuberance (6), left protuberance (5), is U-shaped structure between right protuberance (6) and brush holder body (4), and two stainless steel shell fragments (2) are arranged on brush holder body (4).
3. rain shaving electrical machine structure according to claim 1 and 2, it is characterized in that: described two carbon brush (3) are fixed riveting by rivet respectively and are contained on two stainless steel shell fragments (2), two stainless steel shell fragments (2) are all set to rod shaped structure, between two stainless steel shell fragments (2), are set to be splay structure.
4. rain shaving electrical machine structure according to claim 3, it is characterized in that: the commutator (11) of described rain shaving electrical machine structure is set to be fitted in the structure between two carbon brush (3), two stainless steel shell fragments (2) comprise respectively shell fragment bottom I (7) and shell fragment bottom II (8), and shell fragment bottom I (7) and shell fragment bottom II (8) are fixedly mounted on the brush holder body (4) of brush holder (1) by injection moulding mode respectively.
5. rain shaving electrical machine structure according to claim 4, it is characterized in that: described two carbon brush (3) are arranged on respectively the medium position of two stainless steel shell fragments (2), the brush whip via hole I (9) of bending and the brush whip via hole II (10) of bending are set respectively in described shell fragment bottom I (7) and shell fragment bottom II (8), and two brush whips of rain shaving electrical machine structure are installed on respectively in brush whip via hole I (9) and brush whip via hole II (10).
6. rain shaving electrical machine structure according to claim 5, is characterized in that: the brush holder body (4) of described brush holder (1), left protuberance (5) and right protuberance (6) are set to integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420047757.1U CN203722422U (en) | 2014-01-24 | 2014-01-24 | Windscreen wiper motor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420047757.1U CN203722422U (en) | 2014-01-24 | 2014-01-24 | Windscreen wiper motor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203722422U true CN203722422U (en) | 2014-07-16 |
Family
ID=51161545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420047757.1U Expired - Fee Related CN203722422U (en) | 2014-01-24 | 2014-01-24 | Windscreen wiper motor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203722422U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104083135A (en) * | 2014-07-28 | 2014-10-08 | 黄凤章 | Automatic dish washing machine |
| CN107147236A (en) * | 2017-07-14 | 2017-09-08 | 成都华川电装有限责任公司 | Motor brush rocker and brushed DC motor |
| CN107994718A (en) * | 2017-12-25 | 2018-05-04 | 贵阳万江航空机电有限公司 | A kind of novel brush bracket ring component structure for rear rain shaving electrical machine |
| CN109378942A (en) * | 2018-11-20 | 2019-02-22 | 瑞安市远翔电机制造有限公司 | A kind of rain shaving electrical machine of noise-reduction |
-
2014
- 2014-01-24 CN CN201420047757.1U patent/CN203722422U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104083135A (en) * | 2014-07-28 | 2014-10-08 | 黄凤章 | Automatic dish washing machine |
| CN107147236A (en) * | 2017-07-14 | 2017-09-08 | 成都华川电装有限责任公司 | Motor brush rocker and brushed DC motor |
| CN107994718A (en) * | 2017-12-25 | 2018-05-04 | 贵阳万江航空机电有限公司 | A kind of novel brush bracket ring component structure for rear rain shaving electrical machine |
| CN107994718B (en) * | 2017-12-25 | 2024-01-09 | 贵阳万江航空机电有限公司 | Brush holder ring component structure for rear wiper motor |
| CN109378942A (en) * | 2018-11-20 | 2019-02-22 | 瑞安市远翔电机制造有限公司 | A kind of rain shaving electrical machine of noise-reduction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20160124 |
|
| EXPY | Termination of patent right or utility model |