CN214799127U

CN214799127U - Two unification brush board structures of high reliability

Info

Publication number: CN214799127U
Application number: CN202121017913.6U
Authority: CN
Inventors: 赵成秋
Original assignee: Wenzhou Chaohang Technology Co ltd
Current assignee: Wenzhou Chaohang Technology Co ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-11-19
Anticipated expiration: 2031-05-13

Abstract

A high-reliability two-in-one brush board structure comprises a brush board body, wherein a commutator installation hole is formed in the middle of the brush board body, brush box components are arranged on two sides of the brush board body and communicated with the commutator installation hole, and the brush board body is formed by combining a first body and a second body which are correspondingly arranged up and down; first mounting groove has all been seted up to the both sides of first body, and the second mounting groove has all been seted up to the both sides of second body, and first mounting groove corresponds the setting from top to bottom with the second mounting groove, and the brush box component comprises first mounting groove and second mounting groove. The utility model arranges the brush box parts of the brush plates on the upper and lower brush plate bodies respectively; therefore, burrs which cause the brush to be clamped by the brush box due to core-pulling and demolding by adopting a core-pulling slider mechanism in the integral brush plate structure can be avoided, and the reliability of the motor is improved; and still be provided with the cooling hole on the brush box lateral wall, can effectively reduce the temperature rise of brush, promote the reliability of motor then.

Description

Two unification brush board structures of high reliability

Technical Field

The utility model belongs to the technical field of motor development, concretely relates to two unification brush board structures of high reliability.

Background

A brushed electric machine is a rotating electric machine that includes a brush arrangement to convert electrical energy into mechanical energy (an electric motor) or mechanical energy into electrical energy (a generator). The brush motor is the basis of all motors, and has the characteristics of quick start, timely braking, capability of smoothly regulating the speed in a large range, relatively simple control circuit and the like. When the motor works, the coil and the commutator rotate, the magnetic steel and the carbon brush do not rotate, and the alternating change of the current direction of the coil is completed by the commutator and the electric brush which rotate along with the motor. The brush motor consists of two parts, stator and rotor, the stator has magnetic poles (winding or permanent magnet type), the rotor has windings, after being electrified, the rotor also forms magnetic field (magnetic pole), there is an included angle between the magnetic poles of the stator and rotor, and the motor rotates under the mutual attraction of the magnetic fields of the stator and rotor (between N pole and S pole). The direction of the included angle of the magnetic poles of the stator and the rotor can be changed by changing the position of the electric brush, so that the rotating direction of the motor is changed.

At present, traditional brush board structure formula structure as an organic whole, the difficult drawing of patterns of integral type structure, brush board structural have the brush box, and the brush box need adopt the slider of loosing core to demold when being overall structure, and the brush box is loosed core the module and is closed with middle core, can make the brush box meet the face of closing and produce the burr, leads to the product function to become invalid, also can influence the installation between the product, and overall structure heat dispersion is poor moreover, influences the holistic reliability of motor.

Therefore, a highly reliable two-in-one brush board structure is designed to solve the above problems.

It should be noted that the above background description is only for the sake of clarity and complete description of the technical solutions of the present invention, and is set forth for facilitating understanding of those skilled in the art. These solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the present invention.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide a two-in-one brush plate structure with high reliability.

In order to achieve the above objects and other related objects, the present invention provides a technical solution: a high-reliability two-in-one brush board structure comprises a brush board body, wherein a commutator installation hole is formed in the middle of the brush board body, brush box components are arranged on two sides of the brush board body and communicated with the commutator installation hole, and the brush board body is formed by combining a first body and a second body which are correspondingly arranged up and down; first mounting grooves are formed in the two sides of the first body, second mounting grooves are formed in the two sides of the second body, the first mounting grooves correspond to the second mounting grooves vertically, and the brush box component is composed of the first mounting grooves and the second mounting grooves.

The preferable technical scheme is as follows: the middle part of the first body is provided with a first through hole, the middle part of the second body is provided with a second through hole, the first through hole and the second through hole are arranged in a vertically corresponding mode, and the commutator mounting hole is composed of the first through hole and the second through hole.

The preferable technical scheme is as follows: the side wall of the brush box component is provided with a cooling hole.

The preferable technical scheme is as follows: first notch has been seted up to first mounting groove one side, the second notch has been seted up to second mounting groove one side, first notch with the corresponding setting from top to bottom of second notch, the cooling hole by first notch with the second notch is constituteed.

The preferable technical scheme is as follows: the first body is provided with a sleeve hole, the second body is provided with a cylinder, and the sleeve hole is sleeved on the cylinder.

The preferable technical scheme is as follows: the first body is provided with a plurality of first connectors all around, the second body is provided with a plurality of second connectors all around, first connector with the second connector corresponds from top to bottom and contradicts the setting.

Because of the application of the technical scheme, compared with the prior art, the utility model the advantage that has is:

the brush plate structure is changed from a traditional integral structure into a two-in-one split structure, so that demoulding is facilitated;

the brush box parts of the brush plate structures are respectively arranged on the upper brush plate body and the lower brush plate body, the upper brush plate body and the lower brush plate body adopt a design capable of avoiding burrs at the opening of the brush box, the risk of burrs of the brush box is greatly reduced, and then the reliability of the motor is improved;

and thirdly, the side wall of the brush box is additionally provided with cooling holes, so that the temperature rise of the electric brush can be effectively reduced, and the reliability of the motor is improved.

Drawings

Fig. 1 is an overall schematic view of the present invention.

Fig. 2 is a schematic view of the first body.

Fig. 3 is a schematic view of the second body.

In the above drawings, the first body 1, the first through hole 101, the first mounting groove 102, the first notch 103, the first connecting body 104, the trepanning 105, the second body 2, the second through hole 201, the second mounting groove 202, the second notch 203, the second connecting body 204, the cylinder 205, the commutator mounting hole 3, the brush box member 4, and the cooling hole 5.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to fig. 3. It should be understood that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the product of the present invention is usually placed when in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b): as shown in fig. 1-3, a high-reliability two-in-one brush board structure comprises a brush board body, a commutator mounting hole 3 is formed in the middle of the brush board body, brush box components 4 are arranged on two sides of the brush board body, the brush box components 4 are communicated with the commutator mounting hole 3, and the brush board body is formed by combining a first body 1 and a second body 2 which are arranged up and down correspondingly. First mounting groove 102 has all been seted up to the both sides of first body 1, and second mounting groove 202 has all been seted up to the both sides of second body 2, and first mounting groove 102 corresponds the setting from top to bottom with second mounting groove 202, and brush box component 4 comprises first mounting groove 102 and second mounting groove 202. The middle part of the first body 1 is provided with a first through hole 101, the middle part of the second body 2 is provided with a second through hole 201, the first through hole 101 and the second through hole 201 are arranged up and down correspondingly, and the commutator mounting hole 3 is composed of the first through hole 101 and the second through hole 201. The brush box member 4 has cooling holes 5 formed in a side wall thereof. First notch 103 has been seted up to first mounting groove 102 one side, and second notch 203 has been seted up to second mounting groove 202 one side, and first notch 103 corresponds the setting from top to bottom with second notch 203, and cooling hole 5 comprises first notch 103 and second notch 203. The first body 1 is provided with a sleeve hole 105, the second body 2 is provided with a cylinder 205, and the sleeve hole 105 is sleeved on the cylinder 205. A plurality of first connectors 104 are arranged around the first body 1, a plurality of second connectors 204 are arranged around the second body 2, and the first connectors 104 and the second connectors 204 are arranged in an up-and-down corresponding and abutting mode.

The brush plate structure designed by the utility model arranges the brush box parts of the brush plates on the upper and lower brush plate bodies respectively; therefore, burrs which cause the brush to be clamped by the brush box due to core-pulling and demolding by adopting a core-pulling slider mechanism in the integral brush plate structure can be avoided, and the reliability of the motor is improved; and still be provided with the cooling hole on the brush box lateral wall, just so can effectively reduce the temperature rise of brush, promote the reliability of motor then.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a two unification brush board structures of high reliability, includes the brush board body, its characterized in that: the brush plate comprises a brush plate body, a commutator installation hole, brush box components and a first body, wherein the commutator installation hole is formed in the middle of the brush plate body, the brush box components are arranged on two sides of the brush plate body respectively, the brush box components are communicated with the commutator installation hole, and the brush plate body is formed by combining a first body and a second body which are correspondingly arranged up and down; first mounting grooves are formed in the two sides of the first body, second mounting grooves are formed in the two sides of the second body, the first mounting grooves correspond to the second mounting grooves vertically, and the brush box component is composed of the first mounting grooves and the second mounting grooves.

2. A highly reliable two-in-one brush board structure according to claim 1, wherein: the middle part of the first body is provided with a first through hole, the middle part of the second body is provided with a second through hole, the first through hole and the second through hole are arranged in a vertically corresponding mode, and the commutator mounting hole is composed of the first through hole and the second through hole.

3. A highly reliable two-in-one brush board structure according to claim 2, wherein: the side wall of the brush box component is provided with a cooling hole.

4. A highly reliable two-in-one brush board structure according to claim 3, wherein: first notch has been seted up to first mounting groove one side, the second notch has been seted up to second mounting groove one side, first notch with the corresponding setting from top to bottom of second notch, the cooling hole by first notch with the second notch is constituteed.

5. The structure of claim 4, wherein the brush plate structure comprises: the first body is provided with a sleeve hole, the second body is provided with a cylinder, and the sleeve hole is sleeved on the cylinder.

6. The structure of claim 5, wherein the brush plate assembly comprises: the first body is provided with a plurality of first connectors all around, the second body is provided with a plurality of second connectors all around, first connector with the second connector corresponds from top to bottom and contradicts the setting.