Brush holder structure for automobile window lifting motor

By designing the brush holder structure for the automotive window regulator motor, and combining it with the motor housing, base plate, and gearbox, and using components such as protectors, carbon brushes, inductors, and shock absorbers, the problems of component miniaturization and ease of assembly were solved, achieving low-cost, high-performance, and highly reliable motor operation.

CN223693765UActive Publication Date: 2025-12-19JIANGSU YIDONG AVIATION MACHINERY
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Patent Information

Application Number
CN202423271873.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-19
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

The automotive window motor requires miniaturization of components and ease of assembly, while also demanding low cost, high performance, and high reliability, which existing technologies struggle to achieve simultaneously.

Method used

Design a brush holder structure for an automotive window regulator motor, including a motor housing, a base plate, and a gearbox. The brush holder body mates with the motor housing and gearbox, and includes a protector, carbon brushes, an inductor, springs, and shock-absorbing pads. Plastic materials are used to improve stability and durability.

Benefits of technology

It achieves convenient assembly, good noise and vibration control, reduces maintenance costs, and improves the stability and reliability of the motor.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a brush holder structure for an automobile window lifting motor, which relates to the technical field of automobile accessories and comprises a motor shell, a bottom plate and a gear box, the bottom plate is provided with two surfaces, one surface is provided with a brush holder body, the other surface is connected with the gear box in a matched mode, and the brush holder body is connected with the motor shell in a matched mode. The brush holder body comprises a motor output shaft hole, and two protectors, two carbon brushes, two inductors, two elastic sheets and two shock pads which are arranged around the motor output shaft hole, the two carbon brushes are symmetrically arranged relative to the motor output shaft hole, and the part around the motor output shaft hole is equally divided into two areas by the two carbon brushes; the two areas are respectively provided with a protector, an inductor, an elastic sheet and a shock pad; according to the utility model, the assembly process is easier, the quality is also easy to control, the turnover and storage after the assembly is assembled are more convenient, and meanwhile, the noise and vibration effects caused by the assembly are better.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile accessories, in particular to a brush holder structure for automobile window shaking motor. BACKGROUND

[0002] The window shaking motor is continuously miniaturized, which requires that each component is small and compact, and the assembly convenience needs to be considered, and with the increasingly fierce market competition, the cost is continuously compressed, that is, low cost, high performance, and the smallest possible volume is required to play a greater performance, and the reliability is high after assembly, and does not fall off.

[0003] Therefore, the utility model designs a brush holder structure for automobile window shaking motor to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a brush holder structure for automobile window shaking motor to solve the problems in the above background technology.

[0005] In order to solve the above technical problems, the utility model provides a brush holder structure for automobile window shaking motor, which comprises a motor shell, a bottom plate and a gear box, the bottom plate has two surfaces, one surface is provided with a brush holder body, the other surface is connected with the gear box in a matched mode, and the brush holder body is connected with the motor shell in a matched mode.

[0006] Further, the brush holder body comprises a motor output shaft hole and two protectors, two carbon brushes, two inductors, two elastic sheets and two shock pads arranged around the motor output shaft hole, the two carbon brushes are arranged symmetrically relative to the motor output shaft hole, the part around the motor output shaft hole is divided into two areas by the two carbon brushes, and the two areas are respectively provided with the protector, the inductor, the elastic sheet and the shock pad.

[0007] Further, the two protectors are arranged symmetrically relative to the motor output shaft hole, the two inductors are arranged symmetrically relative to the motor output shaft hole, the elastic sheet is arranged on the side of the carbon brush, and the shock pad is arranged on the side of the carbon brush.

[0008] Further, the gear box is provided with a stator, one side of the brush holder body is provided with an insertion piece, and one surface of the bottom plate is fixedly provided with an EMC plate assembly.

[0009] Further, the bottom plate is clamped with the gear box, another part of the bottom plate is clamped by the gear box and the motor shell, part of the end of the motor shell is connected with the bottom plate, and the motor shell and the gear box are connected with each other and protrude from one end of the bottom plate.

[0010] Further, the inner diameter of the brush holder body is smaller than the inner diameter of the motor shell.

[0011] Further, the brush holder body outer diameter is less than the diameter of the gear box matching place.

[0012] Further, the brush holder body material is plastic material.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] In the assembly process, the quality is easy to control, and the turnover storage of the assembly is convenient, and the noise and vibration effect are good. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the external three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is the external three-dimensional structure schematic view of the utility model;

[0017] Figure 3 It is the gear box structure schematic view of the utility model.

[0018] In the figure: 1, protector;2, carbon brush;3, inductance;4, insert piece;5, elastic sheet;6, shock pad;7, EMC board assembly;8, brush holder body;9, gear box;10, stator. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0020] Please refer to Figure 1 The utility model provides a kind of technical scheme: a kind of brush holder structure for automobile window motor, including motor shell, bottom plate and gear box 9, bottom plate has two sides, one side is provided with brush holder body 8, the other side is connected with gear box 9, brush holder body 8 is connected with motor shell.

[0021] The brush holder body 8 includes a motor output shaft hole and two protectors 1, two carbon brushes 2, two inductors 3, two elastic sheets 5 and two shock pads 6 arranged around the motor output shaft hole, the two carbon brushes 2 are symmetrically arranged relative to the motor output shaft hole, the two carbon brushes 2 divide the part around the motor output shaft hole into two areas, the two areas are respectively provided with the protector 1, the inductor 3, the elastic sheet 5 and the shock pad 6, the two protectors 1 are symmetrically arranged relative to the motor output shaft hole, the two inductors 3 are symmetrically arranged relative to the motor output shaft hole, the elastic sheet 5 is arranged at the side of the carbon brush 2, and the shock pad 6 is arranged at the side of the carbon brush 2.

[0022] The protector 1 prevents the brush holder structure from generating sparks due to carbon brush 2 wear during use, thereby prolonging the service life of the brush holder structure, reducing the possibility of motor damage, and enabling the brush holder structure to work more reliably; the inductor 3 is used to stabilize the current, reduce electromagnetic interference, etc.; the elastic sheet 5 is used to provide appropriate pressure to maintain stable contact between the carbon brush 2 and the rotating part; the shock pad 6 reduces the impact of vibration and impact on the brush holder structure, improving the stability and reliability of the motor; the shock pad 6 is installed at the key part of the brush holder structure to absorb and buffer vibration and impact.

[0023] Referring to Figures 1-3 , the gear box 9 is provided with a stator 10, one side of the brush holder body 8 is provided with an insertion piece 4, and one side of the bottom plate is fixedly installed with an EMC plate assembly 7.

[0024] Referring to Figure 1 , the bottom plate portion is clamped with the gear box 9, the other part of the bottom plate is clamped by the gear box 9 and the motor shell, the end part of the motor shell is connected with the bottom plate, the motor shell part and the gear box 9 are both extended from one end of the bottom plate and connected with each other, the inner diameter of the brush holder body 8 is smaller than the inner diameter of the motor shell, and the outer diameter of the brush holder body 8 is smaller than the diameter of the part matched with the gear box 9.

[0025] Referring to Figure 1 , the material of the brush holder body 8 is plastic material, which has good deformation ability when heated or stressed, and is easy to process into various shapes, so it is very suitable for manufacturing brush holders and other complex structures; plastic material usually has high toughness, strength and wear resistance, can withstand various forces and deformation, and is suitable for manufacturing brush holders that need to withstand certain mechanical load, these characteristics make the brush holder more durable during use, can reduce the replacement frequency caused by wear and tear, and reduce maintenance cost; the processing cost of plastic material is relatively low, and it is easy to realize mass production, which makes the brush holder made of plastic material more competitive in price, and can meet the budget needs of different customers.

[0026] Working principle:

[0027] When assembling, the inductor 3, the elastic sheet 5 assembly, the protector 1 and the EMC plate assembly 7 are sequentially placed into the brush holder structure.

Claims

1. A brush holder structure for a car window regulator motor, comprising a motor housing, a base plate and a gear box (9), characterized in that, The bottom plate has two surfaces, one of which is provided with a brush holder body (8), and the other is connected with a gear box (9), and the brush holder body (8) is connected with the motor shell.

2. A brush holder structure for a motor for a window regulator of a vehicle according to claim 1, characterized in that: The brush holder body (8) comprises a motor output shaft hole and two protectors (1), two carbon brushes (2), two inductors (3), two elastic sheets (5) and two shock pads (6) arranged around the motor output shaft hole, the two carbon brushes (2) are symmetrically arranged relative to the motor output shaft hole, the part around the motor output shaft hole is divided into two areas by the two carbon brushes (2), and the two areas are respectively provided with the protector (1), the inductor (3), the elastic sheet (5) and the shock pad (6).

3. A brush holder structure for a motor for a window regulator of a vehicle according to claim 2, characterized in that: The two protectors (1) are symmetrically arranged relative to the motor output shaft hole, the two inductors (3) are symmetrically arranged relative to the motor output shaft hole, the elastic sheet (5) is arranged at the side of the carbon brush (2), and the shock pad (6) is arranged at the side of the carbon brush (2).

4. A brush holder structure for a motor for a window regulator of a vehicle according to claim 3, characterized in that: The gear box (9) is provided with a stator (10), one side of the brush holder body (8) is provided with an insertion sheet (4), and one surface of the bottom plate is fixedly provided with an EMC plate assembly (7).

5. A brush holder structure for a motor for a window regulator of a vehicle according to claim 4, characterized in that: The bottom plate is clamped by the gear box (9) and the motor shell, and the motor shell is connected with the bottom plate.

6. A brush holder structure for a motor for a window regulator of a vehicle according to claim 5, characterized in that: The inner diameter of the brush holder body (8) is smaller than the inner diameter of the motor shell.

7. A brush holder structure for a motor for a window regulator of a vehicle according to claim 6, characterized in that: The outer diameter of the brush holder body (8) is smaller than the diameter of the gear box (9).

8. A brush holder structure for a motor for a window regulator of a vehicle according to claim 7, characterized in that: The material of the brush holder body (8) is plastic material.