A waterproof and dustproof generator carbon brush holder integrated structure

Abstract

The utility model discloses an integrated structure of a waterproof and dustproof generator carbon brush holder, which relates to the field of brush technology, including a housing, a mounting sleeve at one end of the housing, a plurality of slots are circumferentially provided at one end of the mounting sleeve away from the housing, the diameter of the mounting sleeve is larger than the diameter of the middle opening of the motor end cover, during assembly, the mounting sleeve is engaged with the middle opening of the motor end cover of the motor, the slots are closed, and the bearing of the motor is located in the mounting sleeve. The integrated brush holder has no gap in the middle, water and dust are prevented from entering, and the bearings and brushes are effectively protected.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric brushes, and particularly relates to an integrated structure of a waterproof and dustproof generator carbon brush holder. Background Art

[0002] Brushes are also called carbon brushes because they are mostly made of graphite. They are one of the important components of motors and are responsible for transferring current between rotating parts and stationary parts.

[0003] The invention with publication number CN110431732B discloses a housing for a rotating electric machine, wherein the housing is mounted on a rear bearing through a protective cover, a bearing sleeve is usually mounted on the rear bearing, and the protective cover is assembled with the bearing sleeve to achieve the installation of the housing.

[0004] However, there is a gap of about 5mm between the separate structure of the brush holder and the bearing sleeve, which is easy to seep water and dust, causing rust on the bearing and jamming of the spring inside the carbon brush, leading to early failure. Utility Model Content

[0005] In view of the problems mentioned in the background technology, the purpose of the utility model is to provide a waterproof and dustproof generator carbon brush holder integrated structure to solve the problems mentioned in the background technology.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] A waterproof and dustproof generator carbon brush holder integrated structure, including a shell, a mounting sleeve is provided at one end of the shell, a plurality of groups of slots are circumferentially provided at the end of the mounting sleeve away from the shell, the diameter of the mounting sleeve is larger than the diameter of the middle opening of the motor end cover, when assembled, the mounting sleeve is engaged and plugged with the middle opening of the motor end cover of the motor, the slot is closed, and the bearing of the motor is located in the mounting sleeve.

[0008] As a preferred technical solution, the distances between any two adjacent groups of slots are equal.

[0009] As a preferred technical solution, the length direction of the shell is perpendicular to the axis of the mounting sleeve.

[0010] As a preferred technical solution, a protective sleeve for protecting the brush is installed between the housing and the mounting sleeve, the protective sleeve and the mounting sleeve are coaxial, and one end of the brush is inserted into the protective sleeve.

[0011] As a preferred technical solution, a mounting door is detachably mounted on one end of the housing away from the protective cover through a fixture, and at least two receptacles for accommodating brushes are provided, and the receptacles are connected to the mounting door and the protective cover.

[0012] The utility model has the advantages that when in use, the holder is opened, the installation door is removed, the brush is placed in the receptacle, the other end of the brush is inserted into the protective sleeve, after the brush is installed, the installation door is installed and fixed to the housing through the holder, and then the installation sleeve is plugged into the rear bearing, the middle opening of the motor end cover is smaller than the inner diameter of the installation sleeve, the slot is closed and sealed, there is no gap in the middle of the integrated brush holder, water and dust are prevented from entering, and the bearings and brushes are effectively protected.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model proposes a three-dimensional structure of a waterproof and dustproof generator carbon brush holder integrated structure Figure 1 ;

[0015] Figure 2 The utility model proposes a three-dimensional structure of a waterproof and dustproof generator carbon brush holder integrated structure Figure 2 ;

[0016] Figure 3 The utility model proposes a three-dimensional structure of a waterproof and dustproof generator carbon brush holder integrated structure Figure 3 ;.

[0017] Figure numerals: 1, housing; 11, mounting door; 12, holder; 13, receptacle; 2, protective cover; 3, mounting cover; 31, slot; 4, brush. DETAILED DESCRIPTION

[0018] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar symbols throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0019] Example 1

[0020] refer to Figures 1 to 3 The waterproof and dustproof generator carbon brush holder integrated structure described in this embodiment includes a shell 1, and at least two receptacles 13 for accommodating brushes 4 are provided in the shell 1. The receptacles 13 penetrate the shell 1 along the length direction, and the brushes 4 are at least partially inserted into the receptacles 13. One end of the shell 1 is detachably mounted with an installation door 11 through a fixture 12.

[0021] A protective sleeve 2 for protecting the brush 4 is provided at one end of the housing 1 away from the installation door 11 , and the other end of the brush 4 is inserted into the protective sleeve 2 .

[0022] The length direction of the housing 1 is perpendicular to the axis of the protective sleeve 2 .

[0023] A mounting sleeve 3 is provided at one end of the protective sleeve 2. The protective sleeve 2 and the mounting sleeve 3 are coaxial. The diameter of the mounting sleeve 3 is larger than the diameter of the protective sleeve 2. A plurality of groups of slots 31 are evenly arranged along the circumferential direction at one end of the mounting sleeve 3 away from the protective sleeve 2. During assembly, the mounting sleeve 3 is engaged and plugged into the middle part of the motor end cover of the motor, the slots 31 are closed, and the bearing of the motor is located in the mounting sleeve 3.

[0024] When in use, open the retainer 12, remove the installation door 11, put the brush 4 into the receptacle 13, and insert the other end of the brush 4 into the protective sleeve 2. After the brush 4 is installed, install the installation door 11 and fix the installation door 11 on the housing 1 through the retainer 12, and then insert the installation sleeve 3 into the rear bearing. The opening on the rear bearing is smaller than the inner diameter of the installation sleeve 3, and the groove 31 is closed and sealed. There is no gap in the middle of the integrated brush holder, which prevents water and dust from entering, effectively protecting the bearing and the brush 4.

[0025] It should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0029] 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. A waterproof and dustproof generator carbon brush holder integrated structure, comprising a housing (1), characterized in that: A mounting sleeve (3) is provided at one end of the housing (1); a plurality of groups of slots (31) are provided along the circumferential direction at one end of the mounting sleeve (3) away from the housing (1); the diameter of the mounting sleeve (3) is larger than the diameter of the middle opening of the motor end cover; during assembly, the mounting sleeve (3) is engaged and plugged with the middle opening of the motor end cover of the motor, the slots (31) are closed, and the bearing of the motor is located in the mounting sleeve (3).

2. The waterproof and dustproof generator carbon brush holder integrated structure according to claim 1, characterized in that: The distances between any two adjacent groups of slots (31) are equal.

3. The waterproof and dustproof generator carbon brush holder integrated structure according to claim 1, characterized in that: The length direction of the shell (1) is perpendicular to the axis of the installation sleeve (3).

4. A waterproof and dustproof generator carbon brush holder integrated structure according to any one of claims 1 to 3, characterized in that: A protective sleeve (2) for protecting a brush (4) is installed between the housing (1) and the mounting sleeve (3); the protective sleeve (2) and the mounting sleeve (3) are coaxial, and one end of the brush (4) is inserted into the protective sleeve (2).

5. The waterproof and dustproof generator carbon brush holder integrated structure according to claim 1, characterized in that: An installation door (11) is detachably mounted on one end of the housing (1) away from the protective cover (2) via a fixer (12), and is provided with at least two receptacles (13) for accommodating brushes (4), wherein the receptacles (13) are connected to the installation door (11) and the protective cover (2).

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