Insulating carbon brush holder for automobile
By using insulating layer and insulating pad made of fiberglass material on the automotive carbon brush holder and combining with bolt fixing structure, the problem of current conduction caused by the lack of insulating structure of the existing carbon brush holder is solved, and better insulation effect and fixing firmness are achieved.
Patent Information
- Application Number
- CN202421076924.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-05-17
AI Technical Summary
The existing carbon brush holders for automobiles lack insulated structure, which makes the current easily conduction on the carbon brush holders, affecting the normal operation of the motor.
An insulated carbon brush holder for automobiles is designed, an insulating layer and insulating pad made of fiberglass material, combined with a bolted fixing structure to ensure that current does not conduct to the fixing stand.
It effectively improves the insulation capacity of the carbon brush holder, prevents current conduction, is more firm in fixing and takes up less space, and is suitable for automotive motor applications.
Smart Images

Figure CN222620349U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile accessories, in particular to an insulating carbon brush holder for automobiles. Background Art
[0002] Carbon brushes, also known as electric brushes, are widely used as sliding contact parts in many electrical equipment. The main materials used for carbon brush products are graphite, impregnated graphite, and metal graphite. Since its main component is carbon, it is called "carbon brush".
[0003] The carbon brushes for automobiles need to be installed on a carbon brush holder, and then the carbon brush holder with the carbon brushes is installed in the automobile motor. However, the existing carbon brush holder for automobiles has no insulating structure, and the current is easily conducted on the carbon brush holder. Therefore, we propose an insulated carbon brush holder for automobiles. Utility Model Content
[0004] Technical issues solved
[0005] In view of the deficiencies in the prior art, the utility model provides an insulating carbon brush holder for an automobile, which solves the problems raised by the background technology.
[0006] Technical Solution
[0007] The utility model provides the following technical solution: an insulating carbon brush holder for automobiles, comprising a base plate, a fixing assembly, a first insulating sleeve, a second insulating sleeve and an insulating layer;
[0008] An insulating layer is glued to the top of the base plate, and fixing components are equidistantly arranged on the surface of the base plate located on the top of the insulating layer. The fixing components include a fixing frame fixed to the top of the base plate equidistantly by bolts, an insulating pad is glued to the inner side of the fixing frame, and fixing bolts are sleeved on the top of the fixing frame through a threaded groove. A through hole is opened through the top of the base plate located between the fixing frames, and a metal ring is sleeved inside the through hole.
[0009] Furthermore, a first insulating sleeve is fixed to one side of the base plate by bolts, a copper webbing is provided on one side of the first insulating sleeve, one end of the copper webbing is located inside the first insulating sleeve, and first bolts are connected to both ends of one side of the first insulating sleeve by threaded grooves.
[0010] Furthermore, a second insulating sleeve is fixed to the other side of the base plate by bolts, and two ends of one side of the second insulating sleeve are connected to second bolts by threaded grooves.
[0011] Furthermore, the through hole passes through the insulating layer, and the insulating layer is made of glass fiber material.
[0012] Furthermore, side grooves are provided on both sides of the fixing frame.
[0013] Furthermore, two ends of the top of the bottom plate are provided with reserved grooves, and the reserved grooves penetrate the insulating layer.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] Insert the carbon brush into the fixing frame, and tighten the fixing bolts to fix the carbon brush. The insulating pad inside the fixing frame can play an insulating and anti-slip role, and can prevent the current on the carbon brush from being transmitted to the fixing frame. Side grooves are provided on both sides of the fixing frame to facilitate the bending of the wires on the carbon brush and inserting them into the first insulating sleeve or the second insulating sleeve. The fixing frame carbon brush is fixed by fixing bolts. Compared with the prior art that uses a volute spring to clamp the carbon steel, it occupies less space and is more firmly fixed.
[0016] After the carbon brush is installed on the fixing frame, the wire of the carbon brush is inserted into the second insulating sleeve or the first insulating sleeve, and the first bolt and the second bolt are tightened to fix it. An insulating layer made of glass fiber material is glued on the top of the bottom plate to insulate between the bottom plate and the fixing frame;
[0017] The insulating carbon brush holder for automobile is provided with an insulating layer made of glass fiber on the top of the bottom plate, and an insulating pad is glued in the fixing frame, which can effectively improve the insulation capacity of the carbon brush holder, and the carbon brush in the fixing frame is fixed by bolts, which is firmly fixed and occupies little space. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the bottom plate structure of the utility model;
[0020] Figure 3 This is a schematic diagram of the structure of the fixing assembly of the utility model;
[0021] In the figure: 1, bottom plate; 2, fixing assembly; 201, fixing frame; 202, insulating pad; 203, side groove; 204, fixing bolt; 3, first insulating sleeve; 4, second insulating sleeve; 5, insulating layer; 6, through hole; 7, metal ring; 8, reserved groove; 9, copper webbing; 10, first bolt; 11, second bolt. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-3 In the embodiment of the utility model, it includes a base plate 1, a fixing assembly 2, a first insulating sleeve 3, a second insulating sleeve 4 and an insulating layer 5;
[0024] An insulating layer 5 is glued to the top of the base plate 1, and a fixing component 2 is equidistantly arranged on the surface of the base plate 1 located on the top of the insulating layer 5. The fixing component 2 includes a fixing frame 201 fixed to the top of the base plate 1 equidistantly by bolts, an insulating pad 202 is glued to the inner side of the fixing frame 201, and a fixing bolt 204 is sleeved on the top of the fixing frame 201 through a threaded groove. A through hole 6 is opened through the top of the base plate 1 located between the fixing frames 201, and a metal ring 7 is sleeved inside the through hole 6.
[0025] Among them, a first insulating sleeve 3 is fixed to one side of the base plate 1 by bolts, a copper webbing 9 is arranged on one side of the first insulating sleeve 3, one end of the copper webbing 9 is located inside the first insulating sleeve 3, and both ends of one side of the first insulating sleeve 3 are connected with first bolts 10 through threaded grooves. Tightening the first bolts 10 can fix the wires inserted into the first insulating sleeve 3, and the copper webbing 9 facilitates the connection between the device and the inside of the motor.
[0026] Among them, a second insulating sleeve 4 is fixed to the other side of the base plate 1 by bolts, and second bolts 11 are connected to both ends of one side of the second insulating sleeve 4 through threaded grooves. Tightening the second bolts 11 can fix the wires inserted into the second insulating sleeve 4.
[0027] The through hole 6 penetrates the insulating layer 5 , and the insulating layer 5 is made of glass fiber material. The insulating layer 5 made of insulating material has good insulation ability and high strength.
[0028] Wherein, side grooves 203 are provided on both sides of the fixing frame 201, and the side grooves 203 are provided to facilitate the bending of the wires of the carbon brush.
[0029] Among them, reserved grooves 8 are opened through both ends of the top of the bottom plate 1, and the reserved grooves 8 penetrate the insulating layer 5. The opening of the reserved grooves 8 is convenient for personnel to clamp the bottom plate 1 with tools.
[0030] The working principle of the utility model is as follows: a person inserts the carbon brush into the fixing frame 201 and tightens the fixing bolt 204 to fix the carbon brush. The insulating pad 202 inside the fixing frame 201 can play an insulating and anti-slip role, and can prevent the current on the carbon brush from being transmitted to the fixing frame 201. Side grooves 203 are provided on both sides of the fixing frame 201 to facilitate the bending of the wires on the carbon brush and inserting them into the first insulating sleeve 3 or the second insulating sleeve 4. After the carbon brush is installed on the fixing frame 201, the wires of the carbon brush are inserted into the second insulating sleeve 4 or the first insulating sleeve 3, and the fixing bolts 204 are tightened. Tightening the first bolt 10 and the second bolt 11 can fix it. An insulating layer 5 made of glass fiber material is glued on the top of the base plate 1 to insulate the base plate 1 and the fixing frame 201. After the carbon brush is installed, the base plate 1 is put on the automobile motor rotor and fixed with bolts through the metal ring 7. The metal ring 7 can increase the strength of the through hole 6, and the insulating layer 5 and the through hole 6 will not be deformed or damaged. Then the copper ribbon 9 is fixed in the motor, and the carbon brush installed in the fixing frame 201 can be electrically connected to the motor.
[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. An insulated carbon brush holder for an automobile, comprising a base plate (1), a fixing assembly (2), a first insulating sleeve (3), a second insulating sleeve (4) and an insulating layer (5); Features: An insulating layer (5) is glued to the top of the bottom plate (1); a fixing assembly (2) is equidistantly arranged on the surface of the bottom plate (1) located on the top of the insulating layer (5); the fixing assembly (2) comprises a fixing frame (201) fixed to the top of the bottom plate (1) at equal intervals by bolts; an insulating pad (202) is glued to the inside of the fixing frame (201); a fixing bolt (204) is sleeved on the top of the fixing frame (201) through a threaded groove; a through hole (6) is penetrated through the top of the bottom plate (1) located between the fixing frames (201); a metal ring (7) is sleeved inside the through hole (6).
2. The insulated carbon brush holder for automobile according to claim 1, characterized in that: A first insulating sleeve (3) is fixed to one side of the base plate (1) by means of bolts, a copper webbing (9) is provided on one side of the first insulating sleeve (3), one end of the copper webbing (9) is located inside the first insulating sleeve (3), and first bolts (10) are connected to both ends of one side of the first insulating sleeve (3) by means of threaded grooves.
3. The insulated carbon brush holder for automobile according to claim 1, characterized in that: A second insulating sleeve (4) is fixed to the other side of the base plate (1) via bolts, and two ends of one side of the second insulating sleeve (4) are connected to second bolts (11) via threaded grooves.
4. The insulated carbon brush holder for automobile according to claim 1, characterized in that: The through hole (6) penetrates the insulating layer (5), and the insulating layer (5) is made of glass fiber material.
5. The insulated carbon brush holder for automobile according to claim 1, characterized in that: Side grooves (203) are formed on both sides of the fixing frame (201).
6. The insulated carbon brush holder for automobile according to claim 1, characterized in that: Reserved grooves (8) are provided at both ends of the top of the bottom plate (1), and the reserved grooves (8) penetrate the insulating layer (5).