CN216851557U

CN216851557U - Carbon brush module brush yoke

Info

Publication number: CN216851557U
Application number: CN202220199571.2U
Authority: CN
Inventors: 管仲华; 叶煜彬
Original assignee: Shaoxing Shangyu Henghua Electric Co ltd
Current assignee: Shaoxing Shangyu Henghua Electric Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-06-28
Anticipated expiration: 2032-01-25

Abstract

The utility model provides a brush holder of carbon brush module, which relates to the field of motor parts and comprises a brush holder plate, wherein a plurality of brush boxes are detachably connected on the brush holder plate, a carbon brush assembly is slidably connected in the brush boxes and comprises a carbon rod and a base, the carbon rod is connected on the base, the base longitudinally slides in the brush boxes, a spring is arranged between the bottom surface of the base and the brush boxes, a deflector rod transversely slides on the upper side surface of the base, an L-shaped groove is arranged on the upper surface of the corresponding brush box, the folding angle of the L-shaped groove is close to one end of the spring, the carbon rod can be extended out or retracted into the brush boxes by stirring the deflector rod, the carbon brush holder of carbon brush module is connected on the base, the base slides in the brush boxes, the spring is arranged between the bottom of the base and the brush boxes, the outward pressure is given to the carbon rod, the deflector rod transversely slides on the upper end surface of the base, the L-shaped groove is arranged on the upper end surface of the corresponding brush boxes, through the sliding of the deflector rod in the L-shaped groove, the carbon rod can extend out or retract into the brush box, and the brush holder can be conveniently and integrally mounted on a corresponding motor.

Description

Carbon brush module brush yoke

Technical Field

The utility model relates to a motor spare part technical field specifically is a carbon brush module brush yoke.

Background

The motor brush holder is used for applying pressure on the carbon brush which is in sliding contact with the surface of the commutator or the collecting ring through the spring so as to enable the carbon brush to stably conduct current between the fixed body and the rotating body. Both the brush holder and the carbon brushes are very important components for an electric machine. No matter how good the characteristics of the carbon brush are, when the brush holder is inappropriate, the carbon brush not only cannot fully exert its excellent characteristics, but also has a great influence on the performance and life of the motor itself.

The brush holder for the motor includes a brush holder plate, a brush box, and a carbon brush assembly disposed in the brush box, and is constructed of a brush box portion for holding the carbon brush at a prescribed position, a pressurizing portion for pressing the carbon brush with a proper pressure to prevent vibration of the carbon brush, a frame portion for connecting the brush box and the pressurizing portion, and a fixing portion for fixing the brush holder to the motor.

In the traditional brush yoke, the brush box and the brush yoke are integrally formed, a carbon brush needs to be installed in the brush box, the replacement is inconvenient, the carbon brush is not modularized, meanwhile, the carbon rod is pressed outwards all the time, the carbon rod head is contacted on the commutator, and a pressure receiving and sending device does not exist, so that the inconvenience of replacing the carbon brush or installing the whole brush yoke on the motor is caused.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a carbon brush module brush yoke has solved the problem of proposing among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a carbon brush module brush yoke, includes the brush yoke board, and detachable is connected with a plurality of brush boxes on the brush yoke board, sliding connection carbon brush subassembly in the brush box, the carbon brush subassembly includes carbon-point and base, and the carbon-point is connected on the base, and base longitudinal sliding establishes the spring between base bottom surface and brush box in the brush box, and the side lateral sliding has a driving lever on the base, corresponds brush box upper surface and is equipped with the L shape groove, L shape groove bottom outwards, the dog-ear department in L shape groove is close to the one end of spring, can establish the carbon-point through stirring the driving lever and stretch out or retract brush box.

Preferably, the brush box comprises a brush box body and a bottom plate, the cross section of the brush box body is double-wing-shaped, and the bottom plate is movably connected to the bottom end of the brush box body.

Preferably, both sides of the bottom end of the brush box body are provided with vertical bottom plate grooves, and the bottom plates are drawn in the bottom plate grooves.

Preferably, base grooves are formed in two sides of the lower end of the inner cavity of the brush box body, bulges are arranged on the lower sides of two end faces of the base, and the bulges slide on the base grooves.

Preferably, the front end of the base groove of the brush box is provided with a limiting block.

Preferably, the bottom end of the base and the front end of the bottom plate are respectively provided with a positioning column, and two ends of the spring are sleeved on the positioning columns.

Preferably, the upper end face of the base is provided with a transverse groove, and the deflector rod slides on the transverse groove.

Preferably, the transverse groove is a T-shaped groove, the deflector rod is a T-shaped rod, and the bottom of the deflector rod slides into the T-shaped groove through a T-shaped groove opening of the T-shaped groove.

Preferably, a plurality of groups of sliding rails are arranged on the brush frame plate, a plurality of screw holes are formed in the brush frame plate corresponding to the inner side of each sliding rail, two wings on two sides of the brush box body slide on the sliding rails, fixing grooves are formed in the two wings of the brush box body, and the fixing grooves correspond to the screw holes of the brush frame plate and are used for fixing the brush box.

(III) advantageous effects

The utility model provides a carbon brush module brush yoke. The method has the following beneficial effects:

1. this carbon brush module brush yoke, the carbon-point is connected on the base, and the base slides in the brush box, establishes the spring between base bottom and brush box, gives the outside pressure of carbon-point to establish horizontal gliding driving lever at the base up end, establish the L shape groove at corresponding brush box up end, through the slip of driving lever in the L shape inslot, realize that the carbon-point stretches out or withdrawal brush box, make things convenient for the holistic installation of brush yoke to corresponding motor.

2. This carbon brush module brush yoke, brush box body inner chamber lower extreme both sides are equipped with the base groove, and base both ends face downside is equipped with the arch, and the arch slides on the base groove for the base slides more smoothly.

3. According to the brush holder of the carbon brush module, the limiting block is arranged at the front end of the base groove of the brush box, so that the carbon brush is prevented from being separated from the brush box due to the elastic action, and the arranging safety is protected.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of a carbon brush assembly and a brush box according to the present invention;

fig. 3 is a schematic structural view of a carbon brush assembly and a brush box according to the present invention;

fig. 4 is a schematic view of the structure of the driving lever of the present invention.

In the figure: 1. a brush holder plate; 11. a slide rail; 12. a screw hole; 2. a brush box; 21. a brush box body; 211. fixing grooves; 22. a base plate; 23. a floor trough; 24. a base groove; 25. a limiting block; 3. a carbon brush assembly; 31. A carbon rod; 32. a base 321, a protrusion; 4. a spring; 5. a deflector rod; 6. an L-shaped slot; 7. a positioning column; 8. a transverse slot; 9. and connecting the wires.

Detailed Description

The motor brush holder is used for exerting pressure on the carbon brush which is in sliding contact with the surface of the commutator or the collecting ring through the spring 4, so that the carbon brush can stably conduct current between the fixed body and the rotating body. Both the brush holder and the carbon brushes are very important components for an electric machine. No matter how good the characteristics of the carbon brush are, when the brush holder is inappropriate, the carbon brush not only cannot fully exert its excellent characteristics, but also has a great influence on the performance and life of the motor itself.

The brush holder is constructed of a brush box 2 portion for holding the carbon brush at a prescribed position, a pressing portion for pressing the carbon brush with a proper pressure to prevent the carbon brush from vibrating, a frame portion for connecting the brush box 2 and the pressing portion, and a fixing portion for fixing the brush holder to the motor.

The performance requirements for the motor brush carrier are as follows: when the carbon brush is kept stable and checked or replaced, the carbon brush is easy to be disassembled in the brush box 2, the gap between the lower end edge of the brush box 2 and the surface of the commutator or the collecting ring of the exposed part of the carbon brush under the brush box 2 can be adjusted to prevent the commutator or the collecting ring from being worn down, the influence of the pressure change, the pressurizing direction, the pressurizing position and the like of the carbon brush on the abrasion of the carbon brush is small, and the structure is firm. The carbon brush holder is mainly made of bronze casting, aluminum casting and other synthetic materials. The brush holder is required to be made of a material with good mechanical strength, processability, corrosion resistance, heat dissipation performance, electric conductivity and the like.

The embodiment of the utility model provides a carbon brush module brush yoke, as shown in fig. 1-4, including brush yoke plate 1, detachable is connected with a plurality of brush boxes 2 on the brush yoke plate 1, sliding connection carbon brush subassembly 3 in the brush box 2, carbon brush subassembly 3 includes carbon-point 31 and base, carbon-point 31 connects on the base, in this case embodiment, carbon-point 31 bottom is the lock on the base, base longitudinal sliding is in brush box 2, establish spring 4 between base bottom surface and brush box 2, side lateral sliding has a driving lever 5 on the base, it is equipped with L shape groove 6 to correspond brush box 2 upper surface, L shape groove 6 bottom outwards, the dog-ear department of L shape groove 6 is close to spring 4's one end promptly, can establish carbon-point 31 through stirring driving lever 5 and stretch out or withdrawal brush box 2, the integral erection of carbon brush or brush yoke has been made things convenient for.

The brush holder plate 1 is of various types depending on the type of the brush holder plate. The edge that is close to the mainboard on the present case brush yoke plate 1 is equipped with two hole sites, and the line between two hole sites just is located the intermediate position of two bar bosss through the centre of a circle, and the both sides of hole site are equipped with the U-shaped draw-in groove, and brush yoke plate 1 edge is equipped with two rectangle draw-in grooves, and the contained angle between rectangle draw-in groove and adjacent hole site does, and brush yoke plate 1 has draw-in groove, 12 a plurality of location structure of screw, simultaneously, is equipped with a plurality of mounting holes, and the range of application is wide, and the installation is firm.

As shown in FIG. 2, the brush box 2 comprises a brush box body 21 and a bottom plate 22, the cross section of the brush box body 21 is double-wing shaped, and the bottom plate 22 is movably connected with the bottom end of the brush box body 21.

As shown in FIG. 3, two vertical bottom plate slots 23 are formed at two sides of the bottom end of the brush box body 21, and the bottom plate 22 is drawn into the bottom plate slots 23.

As shown in FIG. 3, base grooves 24 are formed on both sides of the lower end of the inner cavity of the brush box body 21, and protrusions are formed on the lower sides of both end surfaces of the base and slide on the base grooves 24.

As shown in figure 2, the front end of the longitudinal groove of the brush box 2 is provided with a limit block 25 to prevent the carbon rod 31 from excessively outwards damaging the commutator or the collecting ring.

As shown in fig. 2 and 3, furthermore, the bottom end of the base and the front end of the bottom plate 22 are respectively provided with a positioning column 7, two ends of the spring 4 are sleeved on the positioning columns 7, and the positioning columns 7 are arranged to realize better positioning of the spring 4, so as to be beneficial to preventing the spring 4 from jumping off.

As shown in fig. 2, in particular, the upper end surface of the base is provided with a transverse groove 8, and the shift lever 5 slides on the transverse groove 8.

As shown in fig. 2, further, the transverse groove 8 is a T-shaped groove, the shift lever 5 is a T-shaped rod, and the bottom of the shift lever 5 slides into the T-shaped groove through the T-shaped notch of the T-shaped groove.

As shown in fig. 1, the brush box body 21 and the brush holder are connected in a specific manner, a plurality of sets of slide rails 11 are arranged on the brush holder plate 1, a plurality of screw holes 12 are formed on the corresponding brush holder plate 1 on the inner side of the slide rails 11, two wings on two sides of the brush box body 21 slide on the slide rails 11, fixing grooves 211 are formed on two wings of the brush box body 21, and the fixing grooves 211 and the screw holes 12 of the brush holder plate 1 are oppositely applied to fix the brush box 2.

The working principle is as follows: install carbon brush subassembly 3 in brush box 2, driving lever 5 slides to the transverse groove 8 of L shape groove 6, and carbon-point 31 retracts in brush box 2 this moment, installs brush box 2 on the brush yoke again, and the back of finishing the installation is installed the brush yoke on the motor again, and the rethread stirs driving lever 5, stretches out brush box 2 with carbon-point 31, and carbon-point 31 is in contact with commutator or collecting ring surface sliding, realizes the carbon brush function.

In view of the above, it is desirable to provide,

this carbon brush module brush yoke, carbon-point 31 connects on the base, and the base slides in brush box 2, establishes spring 4 between base bottom and brush box 2, gives the outside pressure of carbon-point 31 to establish lateral sliding's driving lever 5 at the base up end, establish L shape groove 6 at corresponding brush box 2 up end, through the slip of driving lever 5 in L shape groove 6, realize that carbon-point 31 stretches out or withdrawal brush box 2, make things convenient for the holistic installation of brush yoke on corresponding motor.

According to the brush holder of the carbon brush module, the base grooves 24 are formed in the two sides of the lower end of the inner cavity of the brush box body 21, the protrusions are arranged on the lower sides of the two end faces of the base, and the protrusions slide on the base grooves 24, so that the base slides smoothly.

According to the brush holder of the carbon brush module, the limiting block 25 is arranged at the front end of the base groove 24 of the brush box 2, so that the carbon brush is prevented from being separated from the brush box 2 due to the elastic action, and the arranging safety is protected.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a carbon brush module brush yoke, includes brush yoke plate (1), its characterized in that: brush carrier plate (1) is gone up detachable and is connected with a plurality of brush boxes (2), sliding connection carbon brush subassembly (3) in brush box (2), carbon brush subassembly (3) include carbon-point (31) and base (32), and carbon-point (31) are connected on base (32), and base (32) longitudinal sliding is in brush box (2), establishes spring (4) between base (32) bottom surface and brush box (2), and side lateral sliding has a driving lever (5) on base (32), corresponds brush box (2) upper surface and is equipped with L shape groove (6), the dog-ear department in L shape groove (6) is close to spring (4) one end, can establish carbon-point (31) through stirring driving lever (5) and stretch out or retract brush box (2).

2. The brush holder of claim 1, wherein: the brush box (2) comprises a brush box body (21) and a bottom plate (22), the cross section of the brush box body (21) is double-wing-shaped, and the bottom plate (22) is movably connected to the bottom end of the brush box body (21).

3. The brush holder of claim 2, wherein: the brush box is characterized in that vertical bottom plate grooves (23) are formed in two sides of the bottom end of the brush box body (21), and the bottom plates (22) are drawn in the bottom plate grooves (23).

4. The brush holder of claim 2, wherein: brush box body (21) inner chamber lower extreme both sides are equipped with base groove (24), base (32) both ends face downside is equipped with arch (321), arch (321) slide on base groove (24).

5. The brush holder of claim 4, wherein: the front end of a base groove (24) of the brush box is provided with a limiting block (25).

6. The brush holder of the carbon brush module according to claim 2, wherein: the bottom end of the base (32) and the front end of the bottom plate (22) are respectively provided with a positioning column (7), and two ends of the spring (4) are sleeved on the positioning columns (7).

7. The brush holder of claim 1, wherein: the upper end face of the base (32) is provided with a transverse groove (8), and the deflector rod (5) slides on the transverse groove (8).

8. The brush holder of claim 7, wherein: the transverse groove (8) is a T-shaped groove, the deflector rod (5) is a T-shaped rod, and the bottom of the deflector rod (5) slides into the T-shaped groove through a T-shaped groove opening of the T-shaped groove.

9. The brush holder of a carbon brush module according to any one of claims 2 to 6, wherein: be equipped with a plurality of groups slide rail (11) on brush yoke plate (1), set up a plurality of screw (12) on brush yoke plate (1) that slide rail (11) inboard corresponds, the two sides both wings of brush box body (21) slide on slide rail (11), be equipped with fixed slot (211) on the both wings of brush box body (21), fixed slot (211) are applied to fixed brush box (2) with screw (12) of brush yoke plate (1) relatively.