Novel anti-shaking shaft grounding carbon brush

By incorporating a graphite carbon brush block, a compression spring, and a buffer structure within the carbon brush positioning seat, the problem of poor contact caused by the shaking of traditional carbon brushes is solved, achieving stable frictional contact and extending equipment life.

CN223567064UActive Publication Date: 2025-11-18NINGBO XINGWANLIAN TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423071132.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-11-18
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

Traditional carbon brushes are prone to shaking when running on a shaft due to factors such as vibration and wear, resulting in poor contact and shortening the service life of the equipment.

Method used

The graphite carbon brush block inside the carbon brush positioning seat, combined with a clamping spring, guide slider and buffer spring structure, guides and buffers the shaking through the guide groove to prevent the graphite carbon brush block from shaking and misaligning in the horizontal direction, and uses the buffer inner frame and rubber pad to buffer the minor vibration.

Benefits of technology

It effectively prevents the graphite carbon brush block from shaking, ensures stable frictional contact, reduces poor contact, and extends the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel anti-shaking shaft grounding carbon brush, which comprises a carbon brush positioning seat, a graphite carbon brush block arranged on the inner side of the carbon brush positioning seat, a first lead arranged on one side of the graphite carbon brush block, a second lead arranged on the other side of the graphite carbon brush block, and a pressure spring arranged at one end of the graphite carbon brush block. The carbon brush positioning seat comprises a protective outer frame and a buffer inner frame arranged on the inner side of the protective outer frame, a clamping groove is formed between the carbon brush positioning seat and the buffer inner frame, the top and the bottom of the clamping groove are each provided with a plurality of buffer springs, the two sides of the clamping groove are each provided with a rubber clamping pad, and the corners of the graphite carbon brush block are each provided with a guide sliding groove. According to the novel anti-shaking shaft grounding carbon brush provided by the utility model, the anti-shaking effect of the whole grounding carbon brush in the use process is relatively good, the stable friction contact of the carbon brush is ensured, the occurrence of poor contact and phenomena is greatly reduced, and the service life of equipment is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to carbon brush field, concretely is a novel anti -shaking shaft grounding carbon brush. BACKGROUND

[0002] Carbon brush is also called brush, as a kind of sliding contact piece, is widely used in many electrical equipment. Grounding carbon brush is an important component for grounding the large shaft in electrical equipment, and the main function of grounding carbon brush is to introduce the generated shaft current into the ground through grounding, so as to avoid bearing damage. When the traditional carbon brush runs on the shaft, due to vibration, wear and other factors, the carbon brush block is prone to shaking phenomenon, resulting in poor contact phenomenon, and even causing equipment failure, shortening the service life of the equipment. SUMMARY

[0003] The utility model discloses a novel anti -shaking shaft grounding carbon brush to solve the problem in the above -mentioned background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a novel anti -shaking shaft grounding carbon brush, including carbon brush positioning seat, the inside of carbon brush positioning seat is equipped with graphite carbon brush block, one side of graphite carbon brush block is equipped with first wire, the other side of graphite carbon brush block is equipped with second wire, one end of graphite carbon brush block is equipped with compression spring, carbon brush positioning seat includes protective outer frame and the buffer inner frame of setting in protective outer frame inside, be equipped with the clamping groove between carbon brush positioning seat and buffer inner frame, the top of clamping groove and the bottom of clamping groove are all installed with a plurality of buffer springs, the both sides of clamping groove are all installed with rubber clamp pad, the corner of graphite carbon brush block is all equipped with guide sliding slot, the corner of buffer inner frame inner wall is all connected with the guide sliding block matched with guide sliding slot, the guide sliding block is connected with buffer inner frame sliding.

[0005] Preferably, the first wire and the second wire are matched, one end of the first wire and one end of the second wire are provided with a terminal lug for facilitating the connection of the first wire and the second wire, the top of the carbon brush positioning seat and the bottom of the carbon brush positioning seat are provided with a fixed frame, the middle of the fixed frame is provided with a fixed hole, and the fixed frame and the fixed hole facilitate the installation and fixation of the carbon brush positioning seat.

[0006] Preferably, the graphite carbon brush block is matched with the buffer inner frame, and the end of the graphite carbon brush block away from the compression spring extends through the carbon brush positioning seat to the back of the carbon brush positioning seat.

[0007] Preferably, one end of the buffer spring is connected with the surface of the inner wall of the protective outer frame, the other end of the buffer spring is connected with the surface of the buffer inner frame, and the buffer spring buffers and dampens the top and bottom of the graphite carbon brush block.

[0008] Preferably, one side of the rubber clamp pad is connected with one side of the inner wall of the protective outer frame, and the other side of the rubber clamp pad is connected with the outer side of the buffer inner frame, and the rubber clamp pad buffers and absorbs the shock of the graphite carbon brush block on two sides.

[0009] Preferably, the protective outer frame comprises a PP block, a plastic pad and an insulating sheet, the outer side of the PP block is provided with the plastic pad, and the outer side of the plastic pad is provided with the insulating sheet.

[0010] Preferably, the outer side of the graphite carbon brush block is provided with a corrosion-resistant layer, and the outer side of the corrosion-resistant layer is connected with a protective film, the corrosion-resistant layer is made of polyvinyl chloride, and the protective film is used for wear-resistant protection of the outer side of the graphite carbon brush block.

[0011] Compared with the prior art, the graphite carbon brush block has the advantages that:

[0012] One end of the graphite carbon brush block is pressed against the compression spring, and the horizontal shaking of the graphite carbon brush block is buffered through the compression spring, and the graphite carbon brush block is guided through the guide sliding block and the guide sliding groove, so that the horizontal shaking and dislocation of the graphite carbon brush block are avoided, the middle part of the graphite carbon brush block is sleeved in the buffer inner frame of the carbon brush positioning seat, and when the graphite carbon brush block itself produces slight vibration, the vibration is effectively buffered through the buffer spring and the rubber clamp pad between the protective outer frame and the buffer inner frame, so that the vibration can be buffered and the shaking is prevented, the vibration and shaking of the graphite carbon brush block are avoided, the anti-shaking effect is good during the use of the whole grounding carbon brush, the stable friction contact of the carbon brush is ensured, the occurrence of poor contact and other phenomena is greatly reduced, the equipment failure is reduced, and the service life of the equipment is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model;

[0014] Figure 2 It is a structural view of the carbon brush positioning seat of the utility model;

[0015] Figure 3 It is a component structural view of the protective outer frame of the utility model;

[0016] Figure 4 It is an outer side structural view of the graphite carbon brush block of the utility model.

[0017] In the drawing: 1, carbon brush positioning seat; 2, graphite carbon brush block; 3, first lead wire; 4, second lead wire; 5, compression spring; 6, fixed frame; 7, fixed hole; 8, guide sliding groove; 9, protective outer frame; 10, buffer inner frame; 11, clamping groove; 12, buffer spring; 13, rubber clamp pad; 14, guide sliding block; 15, PP block; 16, plastic pad; 17, insulating sheet; 18, corrosion-resistant layer; 19, protective film; 20, terminal. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described 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, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0019] Please refer to Figures 1-4 The utility model provides a novel anti -shaking axle ground carbon brush, including carbon brush positioning seat 1, the inside of carbon brush positioning seat 1 is equipped with graphite carbon brush block 2, one side of graphite carbon brush block 2 is equipped with first wire 3, the other side of graphite carbon brush block 2 is equipped with second wire 4, one end of graphite carbon brush block 2 is equipped with compression spring 5, carbon brush positioning seat 1 includes protective outer frame 9 and sets up the buffer inner frame 10 of protective outer frame 9 inside, be equipped with the clamping groove 11 between carbon brush positioning seat 1 and buffer inner frame 10, the top of clamping groove 11 and the bottom of clamping groove 11 are installed with a plurality of buffer springs 12, the both sides of clamping groove 11 are installed with rubber clamp pad 13, the corner of graphite carbon brush block 2 is equipped with guide chute 8, the corner of buffer inner frame 10 inner wall is connected with the guide slider 14 matched with guide chute 8, and guide slider 14 is slidably connected with buffer inner frame 10;

[0020] In the embodiment, the carbon brush positioning seat 1 is installed to the outer side of the rotating shaft of the motor, and the end of the graphite carbon brush block 2 away from the compression spring 5 is in contact with the rotating shaft, and the graphite carbon brush block 2 can be pressed on the surface of the rotating shaft by the compression spring 5.

[0021] Please refer to Figures 1-4 The first wire 3 and the second wire 4 are matched, one end of the first wire 3 and one end of the second wire 4 are provided with a terminal lug 20 for facilitating the connection of the first wire 3 and the second wire 4, the top of the carbon brush positioning seat 1 and the bottom of the carbon brush positioning seat 1 are provided with a fixed frame 6, the middle of the fixed frame 6 is provided with a fixed hole 7, the graphite carbon brush block 2 is matched with the buffer inner frame 10, and the end of the graphite carbon brush block 2 away from the compression spring 5 extends to the back of the carbon brush positioning seat 1 through the carbon brush positioning seat 1, one end of the buffer spring 12 is connected with the surface of the inner wall of the protective outer frame 9, the other end of the buffer spring 12 is connected with the surface of the buffer inner frame 10, one side of the rubber clamp pad 13 is connected with one side of the inner wall of the protective outer frame 9, and the other side of the rubber clamp pad 13 is connected with the outer side of the buffer inner frame 10.

[0022] In the embodiment, the graphite carbon brush block 2 will continuously vibrate and shake during use due to friction, one end of the graphite carbon brush block 2 is pressed against the compression spring 5, and the horizontal shaking of the graphite carbon brush block 2 will be buffered through the compression spring 5, and the graphite carbon brush block 2 is guided through the guide sliding block 14 and the guide sliding groove 8, so as to avoid the horizontal shaking and dislocation of the graphite carbon brush block 2, and the middle part of the graphite carbon brush block 2 is sleeved in the buffer inner frame 10 of the carbon brush positioning seat 1, so that when the graphite carbon brush block 2 itself produces slight vibration, it will be effectively buffered through the buffer spring 12 and the rubber clamp pad 13 between the protective outer frame 9 and the buffer inner frame 10.

[0023] Referring to Figures 1-4 The protective outer frame 9 comprises a PP block 15, a plastic pad 16 and an insulating sheet 17, the outer side of the PP block 15 is provided with the plastic pad 16, the outer side of the plastic pad 16 is provided with the insulating sheet 17, the outer side of the graphite carbon brush block 2 is provided with a corrosion-resistant layer 18, the outer side of the corrosion-resistant layer 18 is connected with a protective film 19, and the corrosion-resistant layer 18 is made of polyvinyl chloride;

[0024] In the embodiment, the carbon brush positioning seat 1 protects the outer side of the graphite carbon brush block 2, the protective outer frame 9 has good insulation and corrosion resistance through the PP block 15, the plastic pad 16 and the insulating sheet 17, the corrosion-resistant layer 18 protects the outer side of the graphite carbon brush block 2, and the corrosion-resistant layer 18 and the protective film 19 on the surface of the friction end can be worn off to expose the graphite carbon brush block 2.

[0025] In specific use, the novel anti-shaking shaft grounding carbon brush is installed to the outer side of the rotating shaft of the motor, one end of the graphite carbon brush block 2 away from the compression spring 5 is in contact with the rotating shaft, and the graphite carbon brush block 2 can be pressed on the surface of the rotating shaft through the compression spring 5, the graphite carbon brush block 2 will continuously vibrate and shake during use due to friction, one end of the graphite carbon brush block 2 is pressed against the compression spring 5, and the horizontal shaking of the graphite carbon brush block 2 will be buffered through the compression spring 5, and the graphite carbon brush block 2 is guided through the guide sliding block 14 and the guide sliding groove 8, so as to avoid the horizontal shaking and dislocation of the graphite carbon brush block 2, and the middle part of the graphite carbon brush block 2 is sleeved in the buffer inner frame 10 of the carbon brush positioning seat 1, so that when the graphite carbon brush block 2 itself produces slight vibration, it will be effectively buffered through the buffer spring 12 and the rubber clamp pad 13 between the protective outer frame 9 and the buffer inner frame 10, so as to buffer the vibration, avoid the shaking and dislocation of the graphite carbon brush block 2, and ensure the stable friction contact of the carbon brush, greatly reduce the occurrence of poor contact and other phenomena, reduce equipment failure, and prolong the service life of the equipment.

[0026] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A new type of anti-wobble shaft grounding carbon brush, comprising a carbon brush positioning seat (1), characterized in that: The inner side of the carbon brush positioning seat (1) is provided with a graphite carbon brush block (2), one side of the graphite carbon brush block (2) is provided with a first lead wire (3), the other side of the graphite carbon brush block (2) is provided with a second lead wire (4), one end of the graphite carbon brush block (2) is provided with a compression spring (5), the carbon brush positioning seat (1) comprises a protective outer frame (9) and a buffer inner frame (10) arranged inside the protective outer frame (9), a clamping groove (11) is arranged between the carbon brush positioning seat (1) and the buffer inner frame (10), a plurality of buffer springs (12) are arranged on the top of the clamping groove (11) and the bottom of the clamping groove (11), rubber clamping pads (13) are arranged on the two sides of the clamping groove (11), guide grooves (8) are arranged on the corners of the graphite carbon brush block (2), guide blocks (14) matched with the guide grooves (8) are connected to the corners of the inner wall of the buffer inner frame (10), and the guide blocks (14) are slidingly connected with the buffer inner frame (10).

2. A new type of anti-wobble shaft grounding carbon brush according to claim 1, characterized by: The first lead wire (3) is matched with the second lead wire (4), one end of the first lead wire (3) and one end of the second lead wire (4) are provided with a terminal lug (20) facilitating the connection of the first lead wire (3) and the second lead wire (4), the top of the carbon brush positioning seat (1) and the bottom of the carbon brush positioning seat (1) are provided with a fixed frame (6), and the middle part of the fixed frame (6) is provided with a fixed hole (7).

3. A new type of anti-wobble shaft grounding carbon brush according to claim 1, characterized in that: The graphite carbon brush block (2) is matched with the buffer inner frame (10), and one end of the graphite carbon brush block (2) away from the compression spring (5) extends through the carbon brush positioning seat (1) to the back of the carbon brush positioning seat (1).

4. A new type of anti-wobble shaft grounding carbon brush according to claim 1, characterized by: One end of the buffer spring (12) is connected with the surface of the inner wall of the protective outer frame (9), and the other end of the buffer spring (12) is connected with the surface of the buffer inner frame (10).

5. A new type of anti-wobble shaft grounding carbon brush according to claim 1, characterized by: One side of the rubber clamping pad (13) is connected with one side of the inner wall of the protective outer frame (9), and the other side of the rubber clamping pad (13) is connected with the outer side of the buffer inner frame (10).

6. A new type of anti-wobble shaft grounding carbon brush according to claim 1, characterized by: The protective outer frame (9) comprises a PP block (15), a plastic pad (16) and an insulating sheet (17), the outer side of the PP block (15) is provided with the plastic pad (16), and the outer side of the plastic pad (16) is provided with the insulating sheet (17).

7. A new type of anti-wobble shaft grounding carbon brush according to claim 1, characterized by: The outer side of the graphite carbon brush block (2) is provided with a corrosion-resistant layer (18), the outer side of the corrosion-resistant layer (18) is connected with a protective film (19), and the corrosion-resistant layer (18) is made of polyvinyl chloride. The outer side of the graphite carbon brush block (2) is provided with a corrosion-resistant layer (18), the outer side of the corrosion-resistant layer (18) is connected with a protective film (19), and the corrosion-resistant layer (18) is made of polyvinyl chloride.