High-precision stamping carbon brush holder

By designing an anti-loosening mechanism on the carbon brush holder, and using limiting components and telescopic springs to prevent the mounting bolts from loosening, the problem of the carbon brush holder loosening and falling off under high-frequency vibration is solved, thus improving safety and stability.

CN223912034UActive Publication Date: 2026-02-13SUZHOU HAIHE INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202520439424.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-02-13
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

The mounting bolts of the carbon brush holder are prone to loosening during high-frequency vibration, which can lead to loosening and detachment, posing a safety hazard.

Method used

A high-precision stamped carbon brush holder was designed, which includes an anti-loosening mechanism. Through the cooperation of a limiting component and a telescopic spring, the mounting bolt is prevented from loosening, ensuring stable installation.

Benefits of technology

It improves the safety and stability of the carbon brush holder, prevents it from loosening and falling off, and enhances the reliability of installation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high-precision stamping carbon brush holder, which comprises a carbon brush holder body and further comprises an anti-loosening mechanism, the anti-loosening mechanism comprises a connecting piece arranged outside the carbon brush holder body, a mounting piece is arranged outside the carbon brush holder body, a mounting groove is formed in the mounting piece, and the connecting piece is connected with the mounting groove. A limiting assembly is arranged on the inner side wall of the mounting groove, the limiting assembly comprises an empty groove formed in the inner side wall of the mounting groove and a limiting groove formed in the inner side wall of the empty groove, a sliding block is arranged in the limiting groove, and a connecting plate is arranged in the sliding block. Generally, after a worker places a carbon brush holder at an installation position, the carbon brush holder is installed and fixed through an installation bolt, and the carbon brush holder is used through high-frequency vibration for a long time, so that the installation bolt for fixing the carbon brush holder is easy to vibrate and loosen, the carbon brush holder is easy to loosen and fall off, and the operator is easy to be injured; and potential safety hazards exist.
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Description

TECHNICAL FIELD

[0001] The utility model relates to carbon brush holder technical field, especially a kind of high-precision stamping carbon brush holder. BACKGROUND

[0002] Carbon brush and conduct current: through spring pressure, carbon brush is stably attached to the surface of rotating part (such as commutator, current collector ring), ensure that the current between stator and rotor is efficiently conducted, maintain the energy conversion efficiency of motor or generator;In the automobile motor, carbon brush holder is directly related to the stability of power transmission, and is the key component for normal operation of engine;Heat dissipation and protection function: in high temperature or high load scene, carbon brush holder accelerates heat diffusion through metal material (such as brass) or structural design, to prevent equipment overheating damage: when abnormal current fluctuation, carbon brush holder can assist in cutting off circuit, to avoid overload risk, protect internal components safety;Improve equipment stability: precision stamping process ensures the size accuracy of carbon brush holder (such as tolerance within 0.6mm), reduces the friction loss of carbon brush and rotating part, prolongs the service life of equipment, main application scene motor and generator as core conductive component, widely used in micro motor, steam turbine generator and other equipment, realize the conversion of electric energy and mechanical energy;Industrial equipment: used in indentation machine, gold stamping machine, flat press and other equipment, to ensure the stability of current and smoothness of mechanical operation under high frequency operation;Transportation field: automobile motor (such as starter motor, generator) relies on carbon brush holder to maintain power transmission, directly affects vehicle starting and power system efficiency;Typical design optimization: some carbon brush holders use patch components (such as diode, capacitor) to replace traditional direct connection structure, reduce electromagnetic interference, improve signal transmission accuracy.

[0003] Usually, after staff places carbon brush holder in installation position, installation bolt is used for installation and fixation, after long time high-frequency vibration use of carbon brush holder, the installation bolt of carbon brush holder is prone to vibration loosening, causing carbon brush holder to loosen and fall off, which is easy to cause harm to operators, and has safety hazard, therefore, we propose a kind of high-precision stamping carbon brush holder. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of high-precision stamping carbon brush holder to solve the problems in the above background art that usually, after staff places carbon brush holder in installation position, installation bolt is used for installation and fixation, after long time high-frequency vibration use of carbon brush holder, the installation bolt of carbon brush holder is prone to vibration loosening, causing carbon brush holder to loosen and fall off, which is easy to cause harm to operators, and has safety hazard.

[0005] To solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a high-precision stamping's carbon brush holder, including carbon brush holder body still include: the anti -loose mechanism: the anti -loose mechanism includes the connecting piece of setting in the carbon brush holder body outside, the outside of carbon brush holder body is provided with the mounting piece, the inside of mounting piece is provided with the mounting groove, the inner side wall of mounting groove is provided with the limit component.

[0007] Further, the limit component includes a hollow groove provided on the inner side wall of the mounting groove, a limit groove is formed on the inner side wall of the hollow groove, a sliding block is provided in the limit groove, a connecting plate is provided in the sliding block, a limit plate is provided on one side of the connecting plate, and an elastic spring is provided on the other side of the connecting plate.

[0008] Further, the number of mounting pieces is two groups, and the mounting piece and the connecting piece are perpendicular to each other.

[0009] Further, the limit groove and the sliding block are connected by sliding, and the width of the sliding block and the width of the limit groove are matched with each other.

[0010] Further, the hollow groove and the connecting plate are connected by sliding, and an anti-skid pad is provided on the outer side of the limit plate.

[0011] Further, the limit plate and the mounting groove are perpendicular to each other, and one side of the limit plate is provided in a circular arc shape.

[0012] Further, the limit plate is provided in two groups, and the limit plate is symmetrically provided with the central axis of the mounting piece.

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

[0014] The utility model discloses an anti-loose mechanism, which is used for placing the carbon brush holder in the ideal position, inserting the mounting bolt into the inside of the mounting groove, rotating the mounting bolt in the inside of the mounting groove, rotating and extruding the limit plate at the same time, sliding the connecting plate in the inside of the hollow groove, sliding the sliding block in the inside of the limit groove through the sliding connecting plate, sliding and resetting the limit plate through the elastic spring, installing and preventing the mounting bolt from loosening through the limit plate and the anti-skid pad, preventing the carbon brush holder from loosening after installation through the mounting bolt, improving the use safety and stability of the carbon brush holder, and facilitating the installation and use of the carbon brush holder. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0016] Figure 1 It is a perspective view of the present application;

[0017] Figure 2 It is a perspective view of the carbon brush holder body of the present application;

[0018] Figure 3 It is a sectional perspective view of the mounting piece of the present application;

[0019] Figure 4 It is a perspective view of the limiting assembly of the present application.

[0020] In the drawings, the component list represented by each number is as follows:

[0021] 1, carbon brush holder body; 2, connecting piece; 3, mounting piece; 4, mounting groove; 5, empty groove; 6, limiting groove; 7, sliding block; 8, connecting plate; 9, limiting plate; 10, extension spring. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned purpose, features and advantages of the present application more obvious, the following will make a detailed description of the specific embodiments of the present application in combination with the drawings.

[0023] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0024] In order to make the purpose, technical scheme and advantages of the present application more clear, the following will make a further detailed description of the embodiments of the present application in combination with the drawings.

[0025] Please refer to Figures 1-4 As shown in the drawings, the present embodiment is a high-precision stamping carbon brush holder, which comprises a carbon brush holder body 1, further comprising: an anti-loose mechanism: the anti-loose mechanism comprises a connecting piece 2 arranged outside the carbon brush holder body 1, the outside of the carbon brush holder body 1 is provided with a mounting piece 3, the inside of the mounting piece 3 is provided with a mounting groove 4, and the inner side wall of the mounting groove 4 is provided with a limiting assembly.

[0026] The anti-loose mechanism as the main bearing structure can increase the anti-loose safety of the overall structure by being fixedly connected with the device as a whole.

[0027] The limiting assembly comprises an empty slot 5 arranged on the inner side wall of the mounting slot 4, a limiting slot 6 arranged on the inner side wall of the empty slot 5, a sliding block 7 arranged in the limiting slot 6, a connecting plate 8 arranged in the sliding block 7, a limiting plate 9 arranged on one side of the connecting plate 8, and an elastic spring 10 arranged on the other side of the connecting plate 8.

[0028] By arranging the limiting assembly, the mounting bolt is rotated, the limiting plate 9 is pressed and rotated at the same time, the limiting plate 9 pushes the connecting plate 8 to slide in the empty slot 5, the sliding connecting plate 8 drives the sliding block 7 to slide in the limiting slot 6, and the limiting plate 9 is reset by the elastic spring 10.

[0029] Working principle: firstly, when the carbon brush holder needs to be installed, the carbon brush holder is placed on the ideal position, the mounting bolt is inserted into the inner side of the mounting slot 4, the mounting bolt is rotated in the mounting slot 4, the limiting plate 9 is pressed and rotated at the same time, the limiting plate 9 pushes the connecting plate 8 to slide in the empty slot 5, the sliding connecting plate 8 drives the sliding block 7 to slide in the limiting slot 6, the limiting plate 9 is reset by the elastic spring 10, and the limiting plate 9 drives the anti-skid pad to install and prevent the mounting bolt from loosening.

[0030] This step can prevent the carbon brush holder from loosening after being installed by the mounting bolt, improves the use safety and stability of the carbon brush holder, and facilitates the installation and use of the carbon brush holder.

[0031] In the description of the present application, it should be further pointed out that, unless otherwise explicitly specified and limited, the terms "arrange", "install", "connect", "connect" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] Finally, it should be pointed out that: the above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A high-precision stamped carbon brush holder comprising a carbon brush holder body (1), characterized in that, Also include: Anti-loose mechanism: the anti-loose mechanism includes the connecting piece (2) arranged outside the carbon brush holder body (1), the outside of the carbon brush holder body (1) is provided with the mounting piece (3), the inside of the mounting piece (3) is provided with the mounting groove (4), the inner side wall of the mounting groove (4) is provided with the limiting assembly.

2. A high-precision stamped carbon brush holder according to claim 1, characterized in that, The limiting assembly includes the hollow groove (5) arranged on the inner side wall of the mounting groove (4), the limiting groove (6) opened on the inner side wall of the hollow groove (5), the inside of the limiting groove (6) is provided with the sliding block (7), the inside of the sliding block (7) is provided with the connecting plate (8), one side of the connecting plate (8) is provided with the limiting plate (9), the other side of the connecting plate (8) is provided with the extension spring (10).

3. The high-precision stamped carbon brush holder according to claim 1, characterized in that, The number of the mounting piece (3) is two groups, the mounting piece (3) and the connecting piece (2) are perpendicular to each other.

4. The high-precision stamped carbon brush holder of claim 2, wherein, The limiting groove (6) and the sliding block (7) are connected by sliding, the width of the sliding block (7) and the width of the limiting groove (6) are matched with each other.

5. The high-precision stamped carbon brush holder according to claim 2, characterized in that, The hollow groove (5) and the connecting plate (8) are connected by sliding, the outside of the limiting plate (9) is provided with the antiskid pad.

6. A high precision stamped carbon brush holder according to claim 2, characterized in that, The limiting plate (9) and the mounting groove (4) are perpendicular to each other, one side of the limiting plate (9) is provided with the circular arc shape.

7. A high precision stamped carbon brush holder according to claim 2, characterized in that, The limiting plate (9) is provided with two groups, the limiting plate (9) is symmetrically arranged with the central axis of the mounting piece (3).