CN210404929U - Carbon powder processing structure of automobile throttle motor - Google Patents
Carbon powder processing structure of automobile throttle motor Download PDFInfo
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- CN210404929U CN210404929U CN201921377066.7U CN201921377066U CN210404929U CN 210404929 U CN210404929 U CN 210404929U CN 201921377066 U CN201921377066 U CN 201921377066U CN 210404929 U CN210404929 U CN 210404929U
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- brush holder
- brush
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Abstract
A carbon powder processing structure of an automobile throttle motor comprises a rotor, a brush holder sleeved on the rotor, a commutator and a carbon brush, wherein the inner end of the carbon brush is abutted against the commutator; the brush holder hole is provided with an opening communicated with the outside, the positioning hole is communicated with the brush holder hole, the inner bottom of the positioning hole is also provided with a gasket for scattering carbon powder, and the gasket is fixedly connected with the rotor; the brush holder is also provided with a powder discharge hole, the inner end of the powder discharge hole is communicated with the inner bottom of the positioning hole, the outer end of the powder discharge hole is communicated with the outside, and the powder discharge hole and the positioning hole are formed. The utility model discloses a cooperation in rotor, gasket and dust discharge hole will pile up outside the carbon dust on insulating cover plate clears away to the motor, has guaranteed that the motor is inside can not pile up too much carbon dust to ensure that the short circuit can not take place in the motor inside, guarantee the normal operation of motor.
Description
Technical Field
The utility model belongs to the technical field of the technique of car motor and specifically relates to a structure is handled to carbon dust of car air throttle motor.
Background
At present, current car throttle motor in the market, EGR valve motor, GPA valve motor only have a structure, there is obvious defect in this kind of structure, the central hole of its brush yoke is too big, lead to commutator and brush yoke hole fit clearance too big, thereby the produced carbon dust of carbon brush wearing and tearing when the motor operates is mixed and disorderly, and be stranded inside the motor all the time, after long-time the use, the carbon dust is piled up and is not concentrated, and can not discharge inside the motor, thereby lead to the inside short circuit problem that produces of motor, influence normal use, holistic life is greatly reduced also.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a carbon powder processing structure of an automobile throttle motor
The technical proposal of the utility model for solving the technical problem is that: a carbon powder processing structure of an automobile throttle motor comprises a rotor, a brush holder and a commutator which are sequentially sleeved on the rotor from back to front, and a carbon brush matched with a brush holder of the brush holder, wherein the inner end of the carbon brush is abutted against the commutator, a positioning hole is concavely arranged at the inner bottom of the brush holder, the commutator is installed in the positioning hole, a plurality of brush holder holes are further formed in the brush holder, the brush holder holes are formed in the outer side of the positioning hole, and the carbon brush is inserted in the brush holder holes;
the brush holder hole is provided with an opening communicated with the outside, the positioning hole is communicated with the brush holder hole, a gasket for scattering carbon powder is also arranged on the inner bottom of the positioning hole, and the gasket is fixedly connected with the rotor;
the brush holder is further provided with a powder discharge hole, the inner end of the powder discharge hole is communicated with the inner bottom of the positioning hole, the outer end of the powder discharge hole is communicated with the outside, and the powder discharge hole and the positioning hole are formed.
Preferably, an insulating cover plate is arranged at the rear end of the positioning hole, a rear end cover is further sleeved on the rotor and fixedly connected with the brush holder, and an oil baffle ring is arranged between the inner end of the insulating cover plate and the outer wall of the rotor.
Preferably, the rotor is further sleeved with a bearing, the bearing is located behind the insulating cover plate, the rear end cover is provided with a groove, and the bearing is mounted in the bearing hole.
Preferably, the brush yoke is convexly provided with a positioning column, the positioning column is sleeved with a torsion spring, one of the support legs of the torsion spring is in limit fit with the brush yoke, and the other support leg of the torsion spring is abutted to the carbon brush and enables the carbon brush to always have a motion trend close to the commutator.
Preferably, the brush holder is provided with a connector, and the carbon brush is electrically connected with the connector through an electrical connection assembly.
Preferably, the gasket is an epoxy resin plate gasket.
Preferably, the insulating cover plate and the brush holder are formed separately.
Preferably, the insulating cover plate and the brush holder are integrally formed.
The beneficial effects of the utility model reside in that: simple structure is reasonable, and through the cooperation of rotor, gasket and dust discharge hole, outside the carbon dust that will pile up on insulating cover plate clears away to the motor, has guaranteed that the motor is inside can not pile up too much carbon dust to guarantee that the short circuit can not take place in the motor inside, guarantee the normal operation of motor, improve the quality of motor, prolong the life of complete machine.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a schematic structural view of a brush holder.
Fig. 4 is another structural schematic diagram of the brush holder.
Fig. 5 is a cross-sectional view of the present invention.
Fig. 6 is a schematic structural view of the brush holder and the insulating cover plate which are integrally formed.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 4, a carbon powder processing structure of an automobile throttle motor comprises a rotor 1, a brush holder 2 and a commutator 3 which are sequentially sleeved on the rotor 1 from back to front, and a carbon brush 4 matched with a brush holder of the brush holder 2, wherein the inner end of the carbon brush 4 is abutted to the commutator 3, a positioning hole 5 is concavely arranged at the inner bottom of the brush holder 2, the commutator 3 is installed in the positioning hole 5, a plurality of brush holder holes 6 are further formed in the brush holder 2, the brush holder holes 6 are arranged at the outer side of the positioning hole 5, and the carbon brush 4 is inserted in the brush holder holes 6;
the brush holder hole 6 is provided with an opening 7 communicated with the outside, the positioning hole 5 is communicated with the brush holder hole 6, the inner bottom of the positioning hole 5 is also provided with a gasket 9 for scattering carbon powder, and the gasket 9 is fixedly connected with the rotor 1;
the brush holder 2 is further provided with a powder discharge hole 18, the inner end of the powder discharge hole 18 is communicated with the inner bottom of the positioning hole 5, the outer end of the powder discharge hole 18 is communicated with the outside, and the powder discharge hole 18 and the positioning hole are formed.
In this embodiment, an insulating cover plate 8 is arranged at the rear end of the positioning hole, a rear end cover 10 is further sleeved on the rotor 1, the rear end cover 10 is fixedly connected with the brush holder 2, and an oil baffle ring 11 is arranged between the inner end of the insulating cover plate 8 and the outer wall of the rotor 1. Through the arrangement of the rear end cover 10, the insulating cover plate 8, the brush holder 2 and components in the brush holder 2 can be partially wrapped, so that a protection effect is achieved; because parts such as rotor 1 rotate at a high speed in the use, consequently through the setting of oil baffle ring 11, can block inside lubricating grease and spill outside to can guarantee lubricated effect and motor normal operating wholly.
In this embodiment, the rotor 1 is further sleeved with a bearing 12, the bearing 12 is located behind the insulating cover plate 8, the rear end cover 10 is provided with a groove 13, and the bearing 12 is installed in the bearing hole. Through the setting of bearing 12, guarantee rotor 1 etc. rotating member's smooth and easy rotation and gyration precision, reduce the friction loss of each part to promote holistic life.
During the use of the motor, the carbon brushes 4 are worn, so that a gap may be generated between the carbon brushes 4 and the commutator 3 or other components, which may cause a short circuit. In this embodiment, brush yoke 2 epirelief be equipped with reference column 14, reference column 14 on the cover be equipped with torsional spring 15, one of them stabilizer blade of torsional spring 15 and brush yoke 2 form spacing cooperation, another stabilizer blade of torsional spring 15 with carbon brush 4 butt and make carbon brush 4 have the motion trend that is close to commutator 3 all the time. Through the setting of torsional spring 15, can make the inner of carbon brush 4 all the time with 3 butts of commutator in the use to guarantee switching on of electric current, ensure the normal operating of motor.
In this embodiment, the brush holder 2 is provided with a connector 16, and the carbon brush 4 is electrically connected to the connector 16 through an electrical connection assembly 17. The connector 16 is used for connecting an external power source and smoothly conducts current to the carbon brush 4 and the like through a typical connecting assembly. In this embodiment, the electrical connection component 17 is connected to a component capable of conducting current, such as a metal wire.
The epoxy resin is an anticorrosive insulating material, is non-toxic and environment-friendly, has the characteristics of compactness, water resistance, good leakage resistance, high strength and the like, and has the advantages of strong adhesive force, normal-temperature operation and simple and convenient construction. In this embodiment, the gasket 9 is an epoxy resin plate gasket 9, which can better remove carbon powder.
The utility model discloses the structure of the car throttle motor that mentions is unanimous basically with current motor, mainly includes parts such as stator module, rotor subassembly, casing, the utility model discloses a carbon dust processing structure in the above-mentioned is lain in to characteristics, and all the other details are no longer repeated one by one.
Preferably, the insulating cover plate 8 and the brush holder are formed in a split mode, the positioning hole 5 is a through hole, the insulating cover plate 8 covers the brush holder 2 and plugs part of the inner bottom of the positioning hole 5, the insulating cover plate 8 serves as the inner bottom of the positioning hole 5 to be used at the moment, carbon powder can be prevented from splashing to other positions, and the insulating cover plate 8 can be detached alone to be cleaned and maintained. Alternatively, as shown in fig. 6, the insulating cover plate 8 may be integrally formed with the brush holder 2, which is convenient for production and can omit the assembly step.
The utility model discloses an in-process, the position that the motor was put differs with the gesture, consequently the carbon dust that produces after 4 wearing and tearing of carbon brush is a small amount can be followed opening 7 play and directly flowed to the external world, more carbon dust can pile up on the inner bottom of insulating cover plate 8 or locating hole 5, because rotor 1 can drive gasket 9 synchronous rotation when the motor rotates, thereby can break up accumulational carbon dust, receive the influence of gravity, the carbon dust after breaking up flows to arranging in the powder hole 18, 18 discharges to the outside in the powder hole is arranged to the rethread, clear away the inside carbon dust of motor smoothly.
Claims (8)
1. The utility model provides a structure is handled to carbon dust of car throttle motor, includes the rotor, from the back to preceding overlap in proper order establish brush yoke and commutator on the rotor, with brush yoke brush holder complex carbon brush, the inner of carbon brush with the commutator butt, its characterized in that: the brush holder is characterized in that a positioning hole is concavely arranged at the inner bottom of the brush holder, the commutator is installed in the positioning hole, a plurality of brush holder holes are also formed in the brush holder and are arranged on the outer side of the positioning hole, and the carbon brush is inserted in the brush holder holes;
the brush holder hole is provided with an opening communicated with the outside, the positioning hole is communicated with the brush holder hole, a gasket for scattering carbon powder is also arranged on the inner bottom of the positioning hole, and the gasket is fixedly connected with the rotor;
the brush holder is further provided with a powder discharge hole, the inner end of the powder discharge hole is communicated with the inner bottom of the positioning hole, the outer end of the powder discharge hole is communicated with the outside, and the powder discharge hole and the positioning hole are formed.
2. The carbon powder processing structure of an automobile throttle motor according to claim 1, characterized in that: the rear end of the positioning hole is provided with an insulating cover plate, the rotor is further sleeved with a rear end cover, the rear end cover is fixedly connected with the brush holder, and an oil baffle ring is arranged between the inner end of the insulating cover plate and the outer wall of the rotor.
3. The carbon powder processing structure of an automobile throttle motor according to claim 2, characterized in that: the rotor is further sleeved with a bearing, the bearing is located behind the insulating cover plate, a groove is formed in the rear end cover, and the bearing is installed in the bearing hole.
4. The carbon powder processing structure of an automobile throttle motor according to claim 1, characterized in that: the brush yoke on be equipped with the reference column, the reference column on the cover be equipped with the torsional spring, one of them stabilizer blade and the brush yoke of torsional spring form spacing cooperation, another stabilizer blade of torsional spring with the carbon brush butt and make the carbon brush have the motion trend that is close to the commutator all the time.
5. The carbon powder processing structure of an automobile throttle motor according to claim 1, characterized in that: the brush holder is provided with a connector, and the carbon brush is electrically connected with the connector through an electrical connection assembly.
6. The carbon powder processing structure of an automobile throttle motor according to claim 1, characterized in that: the gasket is an epoxy resin plate gasket.
7. The carbon powder processing structure of an automobile throttle motor according to claim 2, characterized in that: the insulating cover plate and the brush holder are formed in a split mode.
8. The carbon powder processing structure of an automobile throttle motor according to claim 2, characterized in that: the insulating cover plate and the brush holder are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921377066.7U CN210404929U (en) | 2019-08-23 | 2019-08-23 | Carbon powder processing structure of automobile throttle motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921377066.7U CN210404929U (en) | 2019-08-23 | 2019-08-23 | Carbon powder processing structure of automobile throttle motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210404929U true CN210404929U (en) | 2020-04-24 |
Family
ID=70339614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921377066.7U Active CN210404929U (en) | 2019-08-23 | 2019-08-23 | Carbon powder processing structure of automobile throttle motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210404929U (en) |
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2019
- 2019-08-23 CN CN201921377066.7U patent/CN210404929U/en active Active
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