CN210806924U

CN210806924U - Motor carbon brush holder

Info

Publication number: CN210806924U
Application number: CN201922424821.9U
Authority: CN
Inventors: 赵震州; 陈丽洁
Original assignee: Gvei Auto Parts Co ltd
Current assignee: Gvei Auto Parts Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-06-19
Anticipated expiration: 2029-12-30

Abstract

The utility model provides a motor carbon brush holder, which comprises an upper positioning mechanism, a U-shaped positioning frame and a carbon brush, wherein the top of the U-shaped positioning frame is detachably connected with the upper positioning mechanism; wherein two free ends of U type locating frame all are provided with two locating pieces, the welding has two side connecting plates on the U type locating frame, and two side connecting plates and U type locating frame vertical distribution, wherein the inside of side connecting plate has seted up places the hole. The utility model discloses in, through setting up positioning mechanism and U type locating frame, and go up and to dismantle fixedly between positioning mechanism and the U type locating frame, and fix through the sealing washer, the dismantlement and the installation of the carbon brush frame of then being convenient for, the change of the carbon brush of being convenient for simultaneously makes things convenient for the dismouting, there is the pressure spring through the outside spiral winding at the fixed axle, and the free end of pressure spring supports one side at the carbon brush, and the carbon brush is when using, in time adjusts the position of carbon brush, guarantees the good contact between carbon brush frame and the commutator.

Description

Motor carbon brush holder

Technical Field

The utility model relates to a carbon brush frame field especially relates to a motor carbon brush frame.

Background

The carbon brush of the motor is used on a commutator or a slip ring of the motor and is used as a sliding contact body for leading out and leading in current, the general carbon brush mainly selects graphite, impregnated graphite and metal (copper and silver-containing) graphite on the application material of the product, when the carbon brush works, the carbon brush is required to be arranged on a carbon brush frame, when the carbon brush is arranged, pressure is applied to the carbon brush which is in sliding contact with the surface of the commutator or a collecting ring through a spring, so that the carbon brush can stably conduct current between a fixed body and a rotating body, for the motor, the brush frame and the carbon brush are very important parts, when the brush frame is improper, the carbon brush can not only not fully exert the excellent characteristics of the carbon brush, but also bring great influence on the performance and the service life of the.

At present, among the prior art, the motor is in long-time use, along with the wearing and tearing of carbon brush, the effective compression capacity of spring increases, and the produced elasticity of spring changes thereupon for pressure between carbon brush and the commutator becomes littleer and littleer, and carbon brush frame is difficult to keep good contact with the commutator, and secondly the dismantlement of motor carbon brush frame in later stage maintenance process is also inconvenient, consequently the utility model provides a motor carbon brush frame solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a motor carbon brush holder to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize: the utility model provides a motor carbon brush holder, includes positioning mechanism, U type locating frame and carbon brush, its characterized in that: the top of the U-shaped positioning frame is detachably connected with an upper positioning mechanism;

the carbon brush;

wherein go up positioning mechanism and include the locating plate, one side of locating plate is provided with first curb plate, and the opposite side is provided with second curb plate and top board, and the rear side is provided with the back locating plate, a plurality of locating holes have been seted up on the locating plate, be provided with the fixed axle on the locating plate, and the outside spiral winding of fixed axle has the pressure spring, and wherein the free end setting of pressure spring is in the inside of storage tank to contact with the one end of carbon brush.

Preferably, the included angle between the rear positioning plate and the positioning plate is smaller than 90 degrees, and the inner side of the rear positioning plate is in contact with the fixed shaft.

Preferably, the U-shaped positioning frame is integrally formed.

Preferably, a plurality of locating blocks on the U-shaped locating frame can be just clamped into a plurality of locating holes, and sealing rings are arranged on the outer sides of the locating blocks.

Preferably, a round table fixing frame is embedded in the placing hole, a copper terminal is arranged in the round table fixing frame, and the copper terminal is connected with the carbon brush through a carbon brush outgoing line.

Preferably, the upper positioning plate is in an L-shaped structure, and one end surface of the upper positioning plate is positioned above the positioning plate.

Preferably, the first side plate and the second side plate are both provided with connecting holes for fixing external workpieces.

Compared with the prior art, the utility model provides a motor carbon brush holder has following beneficial effect:

the utility model provides a carbon brush holder of a motor, firstly, through setting up a positioning mechanism and a U-shaped positioning frame, and the upper positioning mechanism and the U-shaped positioning frame can be disassembled and fixed, and fixed through a sealing ring, the disassembly and the installation of the carbon brush holder are convenient, and the replacement of a carbon brush is convenient, the disassembly and the installation are convenient, through spirally winding a pressure spring at the outer side of a fixed shaft, and the free end of the pressure spring is supported at one side of the carbon brush, when the carbon brush is used, the position of the carbon brush is timely adjusted, the good contact between the carbon brush holder and a commutator is ensured, secondly, through setting a side connecting plate on the U-shaped positioning frame, the side connecting plate is vertically arranged with a positioning block, and a placing hole is arranged on the side connecting plate, a round platform is fixed in the placing hole, the round platform fixing frame is used for fixing a copper terminal, and the winding of a carbon brush, and meanwhile, connecting holes are formed in the first side plate and the second side plate on the upper positioning mechanism and used for connecting external workpieces, so that the connecting position is more flexible, the practicability is higher, and convenience is provided for users.

Drawings

Fig. 1 is a schematic structural view of a carbon brush holder of an electric motor according to the present invention;

FIG. 2 is a schematic structural view of the U-shaped positioning frame of the present invention;

fig. 3 is a schematic structural view of the upper positioning mechanism of the present invention;

FIG. 4 is a schematic side view of a carbon brush holder of an electric motor according to the present invention;

FIG. 5 is a schematic structural view of the U-shaped positioning frame of the present invention when connected to the upper positioning mechanism;

fig. 6 is a side view of the fixing shaft of the present invention;

reference numerals: 1. an upper positioning mechanism; 101. a first side plate; 102. positioning holes; 103. a second side plate; 104. a rear positioning plate; 105. an upper positioning plate; 106. positioning a plate; 2. a fixed shaft; 3. a pressure spring; 4. a U-shaped positioning frame; 401. positioning blocks; 402. a seal ring; 403. a storage tank; 5. a side connection plate; 501. placing holes; 6. a circular truncated cone fixing frame; 7. a copper terminal; 8. a carbon brush lead-out wire; 9. a carbon brush.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

In a specific implementation process, as shown in fig. 1 to 6, a motor carbon brush holder comprises an upper positioning mechanism 1, a U-shaped positioning frame 4 and a carbon brush 9, wherein the top of the U-shaped positioning frame 4 is detachably connected with the upper positioning mechanism 1; two positioning blocks 401 are arranged at two free ends of a U-shaped positioning frame 4, two side connecting plates 5 are welded on the U-shaped positioning frame 4, the two side connecting plates 5 are vertically distributed with the U-shaped positioning frame 4, a placing hole 501 is formed in each side connecting plate 5 and is located on the same horizontal plane, a storage groove 403 is formed by the U-shaped positioning frame 4 in a surrounding mode, and a carbon brush 9 is placed in each storage groove 403; wherein, it includes locating plate 106 to go up positioning mechanism 1, one side of locating plate 106 is provided with first curb plate 101, the opposite side is provided with second curb plate 103 and last locating plate 105, the rear side is provided with back locating plate 104, back locating plate 104 is used for spacing fixed axle 2, a plurality of locating holes 102 have been seted up on locating plate 106, be provided with fixed axle 2 on locating plate 106, and the outside spiral winding of fixed axle 2 has pressure spring 3, wherein the free end setting of pressure spring 3 is in the inside of storage tank 403 to contact with the one end of carbon brush 9.

In a specific implementation process, as shown in fig. 3, an included angle between the rear positioning plate 104 and the positioning plate 106 is smaller than 90 degrees, an inner side of the rear positioning plate 104 contacts with the fixing shaft 2, and the rear positioning plate 104 is disposed obliquely for limiting the position of the fixing shaft 2.

In the specific implementation process, as shown in fig. 1-2, the U-shaped positioning frame 4 is integrally formed, and the integral forming facilitates replacement.

In a specific implementation process, as shown in fig. 1 to 3, a plurality of positioning blocks 401 on the U-shaped positioning frame 4 may be just snapped into the plurality of positioning holes 102, and a sealing ring 402 is disposed on an outer side of the positioning block 401, and the sealing ring 402 is disposed to fix the connection between the U-shaped positioning frame 4 and the upper positioning mechanism 1.

In the specific implementation process, as shown in fig. 1-2, a circular truncated cone fixing frame 6 is embedded inside the placing hole 501, a copper terminal 7 is arranged inside the circular truncated cone fixing frame 6, the copper terminal 7 is connected with a carbon brush 9 through a carbon brush lead-out wire 8, a side connecting plate 5 is arranged, and the circular truncated cone fixing frame 6 is arranged on the side connecting plate 5 and used for fixing the copper terminal 7.

In the implementation, as shown in fig. 3, the upper positioning plate 105 is in an L-shaped structure, one end surface of the upper positioning plate 105 is located above the positioning plate 106, and one side surface of the upper positioning plate 105 is disposed above the fixed shaft 2 for limiting the position of the fixed shaft 2.

In a specific implementation process, as shown in fig. 3, the first side plate 101 and the second side plate 103 are both provided with connecting holes for fixing an external workpiece.

The working principle of the utility model is as follows: during installation, the upper positioning mechanism 1 is firstly installed above the U-shaped positioning frame 4, namely, a plurality of positioning blocks 401 on the U-shaped positioning frame 4 are inserted into a plurality of positioning holes 102 on the upper positioning mechanism 1, the positioning blocks 401 are sleeved through the sealing rings 402 and then fixed, then the carbon brushes 9 are placed in the storage grooves 403, the copper terminals 7 are placed inside the circular truncated cone fixing frame 6, and then the copper terminals 7 are fixed, in the process, one ends of the pressure springs 3 are pulled out and pulled out to one sides of the carbon brushes 9, namely, the carbon brushes 9 are abutted, and therefore the carbon brushes 9 are fixed.

the carbon brush holder is convenient to disassemble and assemble by arranging the upper positioning mechanism 1 and the U-shaped positioning frame 4, the upper positioning mechanism 1 and the U-shaped positioning frame 4 are detachably fixed and are fixed by the sealing ring 402, the carbon brush holder is convenient to replace and disassemble, the pressure spring 3 is spirally wound on the outer side of the fixed shaft 2, the free end of the pressure spring 3 is abutted against one side of the carbon brush, when the carbon brush is used, the position of the carbon brush is timely adjusted, the carbon brush holder is ensured to be in good contact with a commutator, secondly, the U-shaped positioning frame 4 is provided with the side connecting plate 5, the side connecting plate 5 is perpendicular to the positioning block 401, the side connecting plate 5 is provided with a placing hole 501, the circular truncated cone fixing frame 6 is fixed in the placing hole 501, the circular truncated cone fixing frame 6 is used for fixing the copper terminal 7, and the phenomenon that the lead-out wire 8 of the carbon brush is wound when in use is prevented, meanwhile, connecting holes are formed in the first side plate 101 and the second side plate 103 of the upper positioning mechanism 1 and used for connecting external workpieces, so that the connecting positions are more flexible, the practicability is higher, and convenience is brought to users.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a motor carbon brush frame, includes positioning mechanism (1), U type locating frame (4) and carbon brush (9), its characterized in that: the top of the U-shaped positioning frame (4) is detachably connected with an upper positioning mechanism (1);

the carbon brush locating device comprises a U-shaped locating frame (4), two locating blocks (401) are arranged at two free ends of the U-shaped locating frame (4), two side connecting plates (5) are welded on the U-shaped locating frame (4), the two side connecting plates (5) are perpendicular to the U-shaped locating frame (4), a placing hole (501) is formed in each side connecting plate (5) and located on the same horizontal plane, the U-shaped locating frame (4) is surrounded to form a storage groove (403), and a carbon brush (9) is placed in each storage groove (403);

wherein go up positioning mechanism (1) and include locating plate (106), one side of locating plate (106) is provided with first curb plate (101), and the opposite side is provided with second curb plate (103) and last locating plate (105), and the rear side is provided with back locating plate (104), a plurality of locating holes (102) have been seted up on locating plate (106), be provided with fixed axle (2) on locating plate (106), and the outside spiral winding of fixed axle (2) has pressure spring (3), and wherein the free end setting of pressure spring (3) is in the inside of storage tank (403) to with the one end contact of carbon brush (9).

2. A carbon brush holder for an electrical machine according to claim 1, wherein: the included angle between the rear positioning plate (104) and the positioning plate (106) is smaller than 90 degrees, and the inner side of the rear positioning plate (104) is in contact with the fixed shaft (2).

3. A carbon brush holder for an electrical machine according to claim 1, wherein: the U-shaped positioning frame (4) is integrally formed.

4. A carbon brush holder for an electrical machine according to claim 1, wherein: a plurality of positioning blocks (401) on the U-shaped positioning frame (4) can be just clamped into the positioning holes (102), and sealing rings (402) are arranged on the outer sides of the positioning blocks (401).

5. A carbon brush holder for an electrical machine according to claim 1, wherein: the round table fixing frame (6) is embedded in the placing hole (501), a copper terminal (7) is arranged in the round table fixing frame (6), and the copper terminal (7) is connected with a carbon brush (9) through a carbon brush leading-out wire (8).

6. A carbon brush holder for an electrical machine according to claim 1, wherein: the upper positioning plate (105) is of an L-shaped structure, and one end face of the upper positioning plate is positioned above the positioning plate (106).

7. A carbon brush holder for an electrical machine according to claim 1, wherein: and the first side plate (101) and the second side plate (103) are both provided with connecting holes for fixing external workpieces.