CN210380566U - Low-noise electric brush for automobile fan motor - Google Patents
Low-noise electric brush for automobile fan motor Download PDFInfo
- Publication number
- CN210380566U CN210380566U CN201921942662.5U CN201921942662U CN210380566U CN 210380566 U CN210380566 U CN 210380566U CN 201921942662 U CN201921942662 U CN 201921942662U CN 210380566 U CN210380566 U CN 210380566U
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- Prior art keywords
- brush
- fan motor
- commutator
- connecting block
- movable
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- Expired - Fee Related
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- 230000000694 effects Effects 0.000 claims description 8
- 239000011241 protective layer Substances 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 230000003993 interaction Effects 0.000 description 3
- 230000001680 brushing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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Abstract
The utility model discloses a low-noise electric brush for an automobile fan motor, which comprises a casing, wherein a main shaft is arranged in the casing, a rotor is sleeved outside the main shaft, a commutator is arranged at one end of the rotor, electric brushes are arranged at the top and the bottom of the commutator, one end of the electric brush, which is far away from the commutator, is provided with a connecting block, one end of the connecting block, which is far away from the electric brush, is provided with a movable plate, a movable groove is arranged in the shell and on one side of the movable plate far away from the connecting block, a spring is arranged in each movable groove, one end of each spring is fixedly connected with the movable plate, the other end of each spring is fixedly connected with the movable groove, the movable wheels are installed at two ends of the movable plate, and wheel grooves matched with the movable wheels are installed on two side edges of the inner portion of the movable groove.
Description
Technical Field
The utility model relates to the technical field of motors, particularly, relate to a low noise brush for car fan motor.
Background
The brush is a conductive part which is in sliding contact with a moving part to form electric connection, is used on a commutator or a slip ring and is used as a sliding contact body for leading in and out current, has good electric conduction, heat conduction and lubrication performance, and has certain mechanical strength and the instinct of commutating sparks; the brush for the existing automobile fan motor is easy to be clamped and brushed in the operation process, so that the stable operation of the automobile fan motor is influenced, the automobile fan cannot be normally used, and the use requirements of people cannot be better met.
In summary, how to make the brushes better used is a technical problem which is urgently needed to be solved at present.
SUMMERY OF THE UTILITY MODEL
The technical task of the utility model is to above not enough, provide a low noise car electric brush for fan motor, solve how can make the better problem of using of brush.
The technical scheme of the utility model is realized like this:
a low-noise electric brush for a fan motor of an automobile comprises a shell, a main shaft is arranged in the shell, a rotor is sleeved outside the main shaft, a commutator is arranged at one end of the rotor, electric brushes are arranged at the top and the bottom of the commutator, one end of the electric brush, which is far away from the commutator, is provided with a connecting block, one end of the connecting block, which is far away from the electric brush, is provided with a movable plate, a movable groove is arranged in the shell and on one side of the movable plate far away from the connecting block, a spring is arranged in each movable groove, one end of each spring is fixedly connected with the movable plate, the other end of each spring is fixedly connected with the movable groove, the movable wheels are installed at two ends of the movable plate, and wheel grooves matched with the movable wheels are installed on two side edges of the inner portion of the movable groove.
Preferably, one side of the electric brush close to the commutator is of an arc-shaped surface structure.
Preferably, annular plates are mounted on the outer side of the commutator and located on two sides of the brush, and an annular groove matched with the brush is formed between the annular plates.
Preferably, the middle of one end of the movable plate, which is far away from the connecting block, is provided with an electric wire, and one end of the electric wire penetrates through the movable plate, the connecting block and the electric brush.
Preferably, the two outer sides of the housing are both provided with connectors, and one ends of the wires, which are far away from the movable plate, penetrate through the housing and are connected with the connectors.
Preferably, a section of the electric wire located inside the movable groove is in a non-straight curved shape.
Preferably, the outer sides of the springs are coated with insulating protective layers.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
1. through the fly leaf with the spring and the loose wheel with the interact in race can make the brush with better sliding between the commutator to avoid taking place the condition emergence of card brush, and then be convenient for can be better satisfy people's user demand.
2. Through the utility model discloses fine solution how can make the better problem of using of brush for the condition that the brush can not take place to block and brush in the operation process takes place for car fan motor, thereby has ensured car fan motor's steady operation, makes the use that car fan can be normal, and then be convenient for can be better satisfy people's user demand.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram according to an embodiment of the present invention;
fig. 2 is a schematic view of a partially enlarged structure according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a commutator and brush side connection according to an embodiment of the present invention.
In the figure:
1. a housing; 2. a main shaft; 3. a rotor; 4. a commutator; 5. an electric brush; 6. connecting blocks; 7. a movable plate; 8. a movable groove; 9. a spring; 10. a movable wheel; 11. a wheel groove; 12. an annular plate; 13. an annular groove; 14. an electric wire; 15. and (4) a joint.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
The invention will be further explained with reference to the drawings and the specific embodiments.
Embodiment one, as shown in fig. 1 to 3, a low-noise brush for an automotive fan motor according to an embodiment of the present invention includes a housing 1, a main shaft 2 is installed inside the housing 1, a rotor 3 is sleeved outside the main shaft 2, a commutator 4 is installed at one end of the rotor 3, brushes 5 are installed at the top and the bottom of the commutator 4, a connecting block 6 is installed at one end of the brush 5 away from the commutator 4, a movable plate 7 is installed at one end of the connecting block 6 away from the brush 5, a movable groove 8 is installed at one side of the movable plate 7 away from the connecting block 6 inside the housing 1, a spring 9 is installed inside the movable groove 8, one end of the spring 9 is fixedly connected to the movable plate 7, and the other end of the spring 9 is fixedly connected to the movable groove 8, movable wheels 10 are mounted at two ends of the movable plate 7, and wheel grooves 11 matched with the movable wheels 10 are mounted on two inner side edges of the movable groove 8; through the interaction of the movable plate 7, the spring 9, the movable wheel 10 and the wheel groove 11, the electric brush 5 and the commutator 4 can better slide, so that the situation of clamping and brushing is avoided, and the use requirements of people can be better met.
In the second embodiment, as shown in fig. 3, one side of the electric brush 5 close to the commutator 4 is an arc-shaped surface structure; the brush 5 can better slide on the surface of the commutator 4, so that the use requirement of people can be met more marginally.
In the third embodiment, as shown in fig. 1, annular plates 12 are mounted on both sides of the brush 5 and outside the commutator 4, and an annular groove 13 adapted to the brush 5 is formed between the annular plates 12; the annular plate 12 and the annular groove 13 enable the brush 5 to better slide on the surface of the commutator 4, so that the use requirements of people can be better met.
In a fourth embodiment, as shown in fig. 1 and 2, an electric wire 14 is mounted in the middle of one end of the movable plate 7 away from the connecting block 6, and one end of the electric wire 14 penetrates through the movable plate 7 and the connecting block 6 and is connected to the brush 5; connectors 15 are mounted on two outer side edges of the casing 1, and one end of the electric wire 14 away from the movable plate 7 penetrates through the casing 1 and is connected with the connectors 15; the section of the electric wire 14 inside the movable slot 8 is in a non-straight curved shape; through the electric wire 14 with the joint 15 can be convenient for better carry out the conduction of electric power to can ensure the normal operating of motor, and the electric wire 14 is located one section of activity groove 8 inside is the design of non-straight curved form then can be convenient for brush 5 can be better when the activity carry out the conduction of electric power, and then be convenient for can be better satisfy people's user demand.
In the fifth embodiment, as shown in fig. 1 and 2, the outer sides of the springs 9 are coated with insulating protective layers; the electric brush can be ensured to achieve good conductive selection, so that the use requirements of people can be better met.
For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.
In practical application, the brush 5 slides on the surface of the commutator 4, due to the interaction between the movable plate 7 and the spring 9, the brush 5 can closely cling to the surface of the commutator 4 to slide, and can achieve good activity, so that the situation of clamping and brushing in the sliding process can be avoided, and under the action of the movable wheel 10 and the wheel groove 11, the stable activity of the movable plate 7 can be ensured, so that the brush 5 can better slide, and in addition, under the interaction between the annular plate 12 and the annular groove 13, the brush 5 can be limited, so that the brush 5 and the commutator 4 can better slide; the condition that makes car fan motor brush can not take place to block and brush in the operation process takes place for the totality to guaranteed car fan motor's steady operation, made the car fan can be normal use, and then be convenient for can be better satisfy people's user demand.
Through the above detailed description, the person skilled in the art can easily realize the present invention. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the disclosed embodiments, a person skilled in the art can combine different technical features at will, thereby implementing different technical solutions.
Claims (7)
1. The utility model provides a low noise brush for car fan motor, its characterized in that, includes casing (1), the internally mounted of casing (1) has main shaft (2), the outside cover of main shaft (2) is equipped with rotor (3), commutator (4) are installed to the one end of rotor (3), brush (5) are all installed to the top and the bottom of commutator (4), brush (5) are kept away from the one end of commutator (4) all installs connecting block (6), connecting block (6) are kept away from the one end of brush (5) all installs fly leaf (7), the inside of casing (1) just is located a side that fly leaf (7) kept away from connecting block (6) all has seted up movable groove (8), spring (9) are all installed to the inside of movable groove (8), just the one end of spring (9) all with fly leaf (7) fixed connection, the other end of spring (9) all with activity groove (8) fixed connection, activity wheel (10) are all installed at the both ends of fly leaf (7), just the inside both sides limit of activity groove (8) all install with race (11) of activity wheel (10) looks adaptation.
2. The brush for the low-noise automobile fan motor according to claim 1, wherein one side of the brush (5) close to the commutator (4) is of an arc-shaped surface structure.
3. A brush for a low noise automotive fan motor according to claim 1, characterized in that ring plates (12) are installed outside the commutator (4) and on both sides of the brush (5), and an annular groove (13) fitted to the brush (5) is formed between the ring plates (12).
4. The brush for the low-noise automotive fan motor according to claim 1, wherein an electric wire (14) is installed at the middle of one end of the movable plate (7) far away from the connecting block (6), and one end of the electric wire (14) penetrates through the movable plate (7) and the connecting block (6) and is connected with the brush (5).
5. The brush for the low-noise automobile fan motor according to claim 4, wherein the outer two sides of the casing (1) are respectively provided with a joint (15), and one end of the electric wire (14) far away from the movable plate (7) penetrates through the casing (1) and is connected with the joint (15).
6. A brush for a low noise automobile fan motor according to claim 5, wherein the electric wire (14) has a non-straight curved shape at a portion inside the movable groove (8).
7. A brush for a low noise automotive fan motor according to claim 1, characterized in that the outside of said spring (9) is coated with an insulating protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921942662.5U CN210380566U (en) | 2019-11-12 | 2019-11-12 | Low-noise electric brush for automobile fan motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921942662.5U CN210380566U (en) | 2019-11-12 | 2019-11-12 | Low-noise electric brush for automobile fan motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210380566U true CN210380566U (en) | 2020-04-21 |
Family
ID=70257461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921942662.5U Expired - Fee Related CN210380566U (en) | 2019-11-12 | 2019-11-12 | Low-noise electric brush for automobile fan motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210380566U (en) |
-
2019
- 2019-11-12 CN CN201921942662.5U patent/CN210380566U/en not_active Expired - Fee Related
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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: 20200421 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |