CN206850571U - A kind of brush motor reversing arrangement - Google Patents
A kind of brush motor reversing arrangement Download PDFInfo
- Publication number
- CN206850571U CN206850571U CN201720730963.6U CN201720730963U CN206850571U CN 206850571 U CN206850571 U CN 206850571U CN 201720730963 U CN201720730963 U CN 201720730963U CN 206850571 U CN206850571 U CN 206850571U
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- CN
- China
- Prior art keywords
- contact
- insulation booth
- reed
- brush
- brush motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of brush motor reversing arrangement, belongs to technical field of motors.It solves the technical problems such as existing brush motor service life is short.A kind of brush motor reversing arrangement, commutator includes several contact chips being fixed in rotating shaft, each contact chip is correspondingly arranged a brush assembly of electric, all contact chips form ring-type, brush assembly of electric includes insulation booth and pressure regulating screw, reed is provided with insulation booth, pressing plate, adjustable plate and pressure spring, the housing of insulation booth and motor is fixedly linked, the both ends of reed are respectively provided with a terminals, the middle part of reed has a contact jaw, a through hole is offered on insulation booth, contact jaw is plugged in through hole, terminals are fixed on insulation booth, and stretch out outside insulation booth, adjustable plate is located at the top of insulation booth, and pressure regulating screw can be resisted against on adjustable plate, pressing plate is resisted against on reed, the both ends of pressure spring are born against on pressing plate and adjustable plate.The utility model has the advantages that service life is long.
Description
Technical field
The utility model belongs to technical field of motors, is related to a kind of brush motor reversing arrangement.
Background technology
Brush motor is the rotation for converting electric energy to mechanical energy or converting mechanical energy into electric energy for including brushgear
Motor.Brush motor is the basis of all motors, and it has, and startup is fast, braking is timely, can be in a wide range of interior smoothly speed governing, control
The features such as circuit processed is relatively easy.
The key fitment of brush motor includes commutator and brush, and commutator is connected with the rotating shaft of motor, is wound with rotating shaft
Some coils, several contact chips corresponding with each group coil are formed on commutator, contact chip is contacted by brush, realizes electricity
Source and the connection of coil, however, the contact chip contact frequency on brush and commutator is high, and abrasion is more serious, there is brush
The short major reason of motor service life causes loose contact or failure precisely due to brush and commutator contact wear, dimension
Repair it is cumbersome, furthermore, brush is contacted with contact chip to during marginal position or when leaving contact chip, easily produces electricity fire
Flower, is frequently switched off and on electric current, the heated of brush is easily formed, so as to which its service life is also affected.
Utility model content
The purpose of this utility model is to be directed to above mentioned problem existing for existing technology, there is provided a kind of brush motor commutation dress
Put, technical problem to be solved in the utility model is how to extend the service life of motor.
The purpose of this utility model can be realized by following technical proposal：A kind of brush motor reversing arrangement, motor bag
Include the commutator and brush assembly of electric being fixed in rotating shaft, it is characterised in that the commutator is fixed in rotating shaft including several
Contact chip, each contact chip is correspondingly arranged a brush assembly of electric, and all contact chips form ring-types, the brush assembly of electric
Including insulation booth and pressure regulating screw, reed, pressing plate, adjustable plate and pressure spring, the insulation booth are provided with the insulation booth
It is fixedly linked with the housing of motor, the both ends of the reed are respectively provided with a terminals, and the middle part of the reed has a contact jaw,
A through hole is offered on the insulation booth, the contact jaw is plugged in the through hole, and the terminals are fixed on insulation booth,
And stretch out outside insulation booth, the adjustable plate is located at the top of insulation booth, and the pressure regulating screw can be resisted against the regulation
On plate, the pressing plate is resisted against on the reed, and the both ends of the pressure spring are born against on pressing plate and adjustable plate.
Pressure regulating screw is threaded on insulation booth, by rotating pressure regulating screw, can adjust pressure spring pressing plate with
Thrust between adjustable plate, so as to adjust the bottom of reed, i.e. thrust between contact jaw and contact chip, in brush motor
After a period of time, the good contact between brush assembly of electric and commutator can be ensured by adjusting screw, had so as to extend
The service life of brush motor.
Insulation booth is made up of thermoplastic material, by the interval between contact chip and two terminals, prevents electric current breakdown etc., together
When, insulation booth can prevent contact jaw from leaving contact chip or being blocked close to electric spark caused by contact chip, to other positions
Play a protective role.
In a kind of above-mentioned brush motor reversing arrangement, by a curved between the outer surface and side of the contact chip
The guide part transition of state.
The guide part can eliminate abnormal sound of the contact jaw when leaving contact chip or close to contact chip, make contact and disconnect more
Add smoothly, while can also eliminate caused adverse reaction between the corner angle of contact chip and contact jaw.
There is one in a kind of above-mentioned brush motor reversing arrangement, between the terminals and contact jaw to raise up
Compressed part, the pressing plate is resisted against in the compressed part.
Compressed part can provide elastic force for reed, and can effectively slow down the deformation of reed.
In a kind of above-mentioned brush motor reversing arrangement, two terminals, a contact jaw and two compressed parts are made
One, the bottom of the contact jaw has a solid contact.Solid contact head can prevent abrasion from causing reed to fracture,
Also contact can be made better.
Compared with prior art, the utility model has advantages below：
1st, pressure regulating screw is threaded on insulation booth, by rotating pressure regulating screw, can adjust pressure spring in pressing plate
Thrust between adjustable plate, so as to adjust the bottom of reed, i.e. thrust between contact jaw and contact chip, there is brush electricity
After machine uses a period of time, the good contact between brush assembly of electric and commutator can be ensured by adjusting screw, so as to extend
The service life of brush motor.
2nd, insulation booth is made up of thermoplastic material, by the interval between contact chip and two terminals, prevents electric current breakdown etc.,
Meanwhile insulation booth can prevent contact jaw from leaving contact chip or being blocked close to electric spark caused by contact chip, to other portions
Position plays a protective role.
3rd, the guide part can eliminate abnormal sound of the contact jaw when leaving contact chip or close to contact chip, make contact and disconnection
It is more smooth, while can also eliminate caused adverse reaction between the corner angle of contact chip and contact jaw.
Brief description of the drawings
Fig. 1 is the overall structure diagram of this reversing arrangement.
Fig. 2 is the structural representation of brush assembly of electric.
In figure, 1, contact chip；11st, guide part；2nd, insulation booth；21st, through hole；31st, pressure regulating screw；32nd, pressing plate；33rd, adjust
Plate；34th, pressure spring；4th, reed；41st, terminals；42nd, contact jaw；43rd, compressed part；44th, contact.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As depicted in figs. 1 and 2, brush motor includes the commutator and brush assembly of electric being fixed in rotating shaft, it is characterised in that
Commutator includes several contact chips 1 being fixed in rotating shaft, and each contact chip 1 is correspondingly arranged a brush assembly of electric, owns
Contact chip 1 forms ring-type, and brush assembly of electric includes insulation booth 2 and pressure regulating screw 31, be provided with insulation booth 2 reed 4, pressing plate 32,
Adjustable plate 33 and pressure spring 34, the housing of insulation booth 2 and motor are fixedly linked, and the both ends of reed 4 are respectively provided with a terminals 41,
The middle part of reed 4 has a contact jaw 42, offers a through hole 21 on insulation booth 2, contact jaw 42 is plugged in through hole 21, wiring
End 41 is fixed on insulation booth 2, and is stretched out outside insulation booth 2, and adjustable plate 33 is located at the top of insulation booth 2, and pressure regulating screw 31
It can be resisted against on adjustable plate 33, pressing plate 32 is resisted against on reed 4, and the both ends of pressure spring 34 are born against in pressing plate 32 with adjusting
Save on plate 33；Pressure regulating screw 31 is threaded on insulation booth 2, by rotating pressure regulating screw 31, can adjust pressure spring 34
Thrust between pressing plate 32 and adjustable plate 33, so as to adjust the bottom of reed 4, i.e., between contact jaw 42 and contact chip 1
Thrust, after brush motor uses a period of time, it can be ensured by adjusting screw good between brush assembly of electric and commutator
Good contact, so as to extend the service life of brush motor.
Insulation booth 2 is made up of thermoplastic material, by the interval between contact chip 1 and two terminals 41, prevents electric current from puncturing
Deng, meanwhile, insulation booth 2 can prevent that contact jaw 42 from leaving contact chip 1 or being blocked close to electric spark caused by contact chip 1,
Other positions are played a protective role.
As shown in Fig. 2 by the transition of guide part 11 of a curved surface state between the outer surface and side of contact chip 1；The guiding
Portion 11 can eliminate abnormal sound of the contact jaw 42 when leaving contact chip 1 or close to contact chip 1, make contact and disconnection more smooth,
It can also eliminate caused adverse reaction between the corner angle of contact chip 1 and contact jaw 42 simultaneously.
There is a compressed part 43 to raise up, pressing plate 32 is resisted against compressed part 43 between terminals 41 and contact jaw 42
On；Compressed part 43 can be that reed 4 provides elastic force, and can effectively slow down the deformation of reed 4.
Two terminals, 41, contact jaws 42 and two compressed parts 43 are formed integrally, and the bottom of contact jaw 42 has
One solid contact 44；Solid contact head 44 can prevent abrasion from causing reed 4 to fracture, and can also make contact better.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (4)
1. a kind of brush motor reversing arrangement, brush motor includes the commutator and brush assembly of electric being fixed in rotating shaft, its feature
It is, the commutator includes several contact chips (1) being fixed in rotating shaft, and each contact chip (1) is correspondingly arranged one
Brush assembly of electric, all contact chips (1) form ring-type, and the brush assembly of electric includes insulation booth (2) and pressure regulating screw (31), institute
State and reed (4), pressing plate (32), adjustable plate (33) and pressure spring (34) be provided with insulation booth (2), the insulation booth (2) and
The housing of motor is fixedly linked, and the both ends of the reed (4) are respectively provided with a terminals (41), and the middle part of the reed (4) has
One contact jaw (42), a through hole (21) is offered on the insulation booth (2), the contact jaw (42) is plugged in the through hole (21)
Interior, the terminals (41) are fixed on insulation booth (2), and are stretched out outside insulation booth (2), and the adjustable plate (33) is positioned at insulation
The top of box (2), and the pressure regulating screw (31) can be resisted against on the adjustable plate (33), the pressing plate (32) is resisted against institute
State on reed (4), the both ends of the pressure spring (34) are born against on pressing plate (32) and adjustable plate (33).
A kind of 2. brush motor reversing arrangement according to claim 1, it is characterised in that the outer surface of the contact chip (1)
By guide part (11) transition of a curved surface state between side.
3. a kind of brush motor reversing arrangement according to claim 2, it is characterised in that the terminals (41) and contact jaw
(42) there is a compressed part (43) to raise up, the pressing plate (32) is resisted against in the compressed part (43) between.
A kind of 4. brush motor reversing arrangement according to claim 3, it is characterised in that two terminals (41), one connect
Contravention (42) and two compressed parts (43) are formed integrally, and the bottom of the contact jaw (42) has a solid contact (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720730963.6U CN206850571U (en) | 2017-06-21 | 2017-06-21 | A kind of brush motor reversing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720730963.6U CN206850571U (en) | 2017-06-21 | 2017-06-21 | A kind of brush motor reversing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206850571U true CN206850571U (en) | 2018-01-05 |
Family
ID=60801611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720730963.6U Expired - Fee Related CN206850571U (en) | 2017-06-21 | 2017-06-21 | A kind of brush motor reversing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206850571U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109188225A (en) * | 2018-10-10 | 2019-01-11 | 中国电力科学研究院有限公司 | A kind of cable connector compound interface breakdown voltage detection device |
-
2017
- 2017-06-21 CN CN201720730963.6U patent/CN206850571U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109188225A (en) * | 2018-10-10 | 2019-01-11 | 中国电力科学研究院有限公司 | A kind of cable connector compound interface breakdown voltage detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180105 Termination date: 20190621 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |