CN215771855U - Can dismantle brush box motor brush yoke - Google Patents
Can dismantle brush box motor brush yoke Download PDFInfo
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- CN215771855U CN215771855U CN202121749333.6U CN202121749333U CN215771855U CN 215771855 U CN215771855 U CN 215771855U CN 202121749333 U CN202121749333 U CN 202121749333U CN 215771855 U CN215771855 U CN 215771855U
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Abstract
The utility model provides a detachable brush box motor brush holder, which relates to the field of motor parts and comprises a brush holder plate, a plurality of brush boxes and a carbon brush assembly, wherein the brush holder plate is annular, a plurality of groups of symmetrical brush box mounting rails are arranged on the brush holder plate, the brush boxes are slidably connected on the brush box mounting rails, positioning grooves I are arranged on two sides of each brush box, positioning grooves II are arranged on the brush holder plate and correspond to the positioning grooves II, the brush boxes are fixed on the positioning grooves I and the positioning grooves II by bolts, the carbon brush assembly is arranged in the brush boxes, and the detachable brush box motor brush holder is characterized in that the brush boxes are detachably mounted on the brush holder plate, and the relative positions of the brush boxes can be adjusted through the positioning grooves, so that the installation of the carbon brush assemblies in the brush boxes is facilitated, and the replacement and maintenance of the carbon brush assemblies or the brush boxes are facilitated in the later period.
Description
Technical Field
The utility model relates to the technical field of motor spare and accessory parts, in particular to a motor brush holder with a detachable brush box.
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.
However, due to the processing problem, burrs exist on the inner wall of the brush box, and the carbon brush is difficult to place in the brush box. And the brush box of current motor brush yoke sets up with brush yoke board is integrative, and in the circular telegram use, the brush easily generates heat and has higher temperature, and brush box and carbon brush coefficient of expansion difference easily lead to carbon brush and brush box card to die, influence the normal use of carbon brush. To above problem, need for a section and brush box that brush yoke board is convenient to be dismantled urgently, can install the carbon brush subassembly in the brush box and install on the brush yoke board again, also more make things convenient for later maintenance simultaneously.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a brush holder of a detachable brush box motor, which solves the problems in the prior art.
(II) technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a can dismantle brush box motor brush yoke, includes brush yoke plate, a plurality of brush box, carbon brush subassembly, the brush yoke plate is ring shape, be equipped with the brush box installation rail of a plurality of group symmetries on the brush yoke plate, but brush box sliding connection is on brush box installation rail, brush box both sides are equipped with constant head tank one, be equipped with constant head tank two on the brush yoke plate, constant head tank one corresponds with constant head tank two, with bolt fastening brush box on it, the carbon brush subassembly is settled in the brush box.
Preferably, the edge that is close to the mainboard on the brush yoke plate is equipped with two screws, and the line between two screws just is located the intermediate position of two bar bosss through the centre of a circle, the both sides of screw are equipped with the U-shaped draw-in groove, and brush yoke plate edge is equipped with two rectangle draw-in grooves, and the contained angle between rectangle draw-in groove and adjacent screw is 90.
Preferably, the carbon brush subassembly includes carbon pole, copper sheathing, the side bottom surface of carbon pole passes through spring coupling in copper sheathing side bottom surface, still even there is the electrified line on the copper sheathing, copper sheathing side bottom surface still includes the crotch, the crotch lock is at the brush box.
Preferably, the brush box comprises a side bottom plate, and the hook of the copper sleeve is buckled on the side bottom plate of the brush box.
Preferably, the carbon rod is further provided with a deflector rod, the upper surface of the brush box is provided with a deflector rod groove, and the deflector rod can slide in the deflector rod groove.
Preferably, the brush box is further provided with a notch, the brush frame plate is provided with a wire column, and the electrified wire penetrates through the notch and the wire column and is connected to the binding post.
(III) advantageous effects
The utility model provides a motor brush holder with a detachable brush box. The method has the following beneficial effects:
1. this can dismantle brush box motor brush yoke, brush box detachable installs on brush yoke plate to the relative position of accessible constant head tank adjustment brush box has made things convenient for the installation of brush subassembly in the brush box, has also made things convenient for the use back, to the change and the maintenance of carbon brush subassembly.
2. This can dismantle brush box motor brush yoke, carbon brush subassembly pass through the crotch lock on the brush box, and it is more convenient that the installation is dismantled, and the suitability is strong.
3. This can dismantle brush box motor brush yoke establishes the driving lever on the carbon-point, establishes the driving lever groove on corresponding brush box, can when the installation, dials back the carbon-point through the driving lever, easy to assemble.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention (one side is provided with the brush box, and the other side is not provided with the brush box);
FIG. 3 is a top view of the present invention;
FIG. 4 is a schematic view of a brush holder plate structure according to the present invention;
fig. 5 is a schematic view of the structure of the carbon brush assembly and the brush box according to the present invention.
In the figure: the brush box comprises a brush frame plate 1, a screw hole 11, a U-shaped clamping groove 12, a wire column 13, a positioning groove 14 II, a rectangular clamping groove 15, a brush box 2, a positioning groove 21I, a poking rod groove 22, a side bottom plate 23, a notch 24, a brush box mounting rail 3, a carbon brush assembly 4, a carbon rod 41, a spring 42, a copper sleeve 43, a hook 431, an electrified wire 44, a poking rod 45 and a binding post 5.
Detailed Description
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 is constructed of a brush box 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 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, the exposed part of the carbon brush under the brush box (the gap between the edge of the lower end of the brush box and the surface of the commutator or the collector ring) can be adjusted to prevent the commutator or the collector ring from being worn, 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.
As shown in fig. 1-5, the embodiment of the present invention provides a brush holder for a detachable brush box motor, which includes a brush holder plate 1, a plurality of brush boxes 2, and a carbon brush assembly 4, wherein the brush holder plate 1 is circular, the brush holder plate 1 is provided with a plurality of sets of symmetrical brush box mounting rails 3, the brush boxes 2 are slidably connected to the brush box mounting rails 3, two sides of the brush boxes 2 are provided with positioning grooves 21, the brush holder plate 1 is provided with positioning grooves 14, the positioning grooves 21 correspond to the positioning grooves 14, the brush boxes 2 are fixed by bolts, the carbon brush assemblies 4 are arranged in the brush boxes 2, the brush boxes 2 are provided with a plurality of brush boxes 2, as shown in fig. 1, the number of the brush boxes 2 in this case is two, or four, the brush boxes 2 are slidably mounted through the brush box mounting rails 3, the positioning grooves 21 of the brush boxes correspond to the positioning grooves 14 of the brush holder plate 1, and are fixed in a positioning manner, the relative position of the brush box 2 can be both detached and adjusted.
The brush holder plate 1 is of various types depending on the type of the brush holder plate. As shown in fig. 4, two screw holes 11 are arranged at the edge of the brush holder plate 1 close to the main plate, a connecting line between the two screw holes 11 passes through the center of a circle and is located at the middle position of the two strip-shaped bosses, U-shaped clamping grooves 12 are arranged at the two sides of the screw holes 11, two rectangular clamping grooves 15 are arranged at the edge of the brush holder plate 1, an included angle between each rectangular clamping groove 15 and the adjacent screw hole 11 is 90 degrees, the brush holder plate 1 is provided with clamping grooves and a plurality of positioning structures of the screw holes 11, and meanwhile, a plurality of mounting holes are arranged, so that the application range is wide, and the installation is firm.
As shown in fig. 5, the carbon brush assembly 4 includes a carbon rod 41 and a copper bush 43, a side bottom surface of the carbon rod 41 is connected to a side bottom surface of the copper bush 43 through a spring 42, the copper bush 43 is further connected to a power line 44, the side bottom surface of the copper bush 43 further includes a hook 431, and the hook 431 is fastened to the brush box 2. The spring 42 presses the carbon rod 41 against the commutator.
As shown in fig. 5 and 1, the brush box 2 includes a side bottom plate 23, and the hook 431 of the copper sheathing 43 is fastened to the side bottom plate 23 of the brush box 2.
As shown in fig. 5 and 2, the carbon rod 41 is further provided with a shift lever 45, the upper surface of the brush box 2 is provided with a shift lever groove 22, the shift lever 45 can slide in the shift lever groove 22, and when the motor brush holder is installed, the carbon rod 41 is retracted inwards through the shift lever 45, so that the installation of the motor brush holder is facilitated.
The brush box 2 is also provided with a gap 24, the brush frame plate 1 is provided with a lead post 13, and the electrified wire 44 passes through the gap 24 and the lead post 13 and is connected to the binding post 9.
To sum up the above
This can dismantle brush box motor brush yoke, brush box detachable installs on brush yoke plate to the relative position of accessible constant head tank adjustment brush box has made things convenient for the installation of brush subassembly in the brush box, has also made things convenient for the use back, to the change and the maintenance of carbon brush subassembly.
This can dismantle brush box motor brush yoke, carbon brush subassembly pass through the crotch lock on the brush box, and it is more convenient that the installation is dismantled, and the suitability is strong.
This can dismantle brush box motor brush yoke establishes the driving lever on the carbon-point, establishes the driving lever groove on corresponding brush box, can when the installation, dials back the carbon-point through the driving lever, easy to assemble.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a can dismantle brush box motor brush yoke, includes brush yoke board (1), a plurality of brush box (2), carbon brush subassembly (4), its characterized in that: brush frame plate (1) is the ring shape, be equipped with brush box installation rail (3) of a set of symmetry on brush frame plate (1), but brush box (2) sliding connection is on brush box installation rail (3), brush box (2) both sides are equipped with constant head tank one (21), be equipped with constant head tank two (14) on brush frame plate (1), constant head tank one (21) are corresponding with constant head tank two (14), with bolt fastening brush box (2) on it, carbon brush subassembly (4) are settled in brush box (2).
2. A brush holder for a brush box detachable electric motor according to claim 1, wherein: the edge that is close to the mainboard on brush frame board (1) is equipped with two screw (11), and the line between two screw (11) just is located the intermediate position of two bar bosss through the centre of a circle, the both sides of screw (11) are equipped with U-shaped draw-in groove (12), and brush frame board (1) edge is equipped with two rectangle draw-in grooves (15), and the contained angle between rectangle draw-in groove (15) and adjacent screw (11) is 90.
3. A brush holder for a brush box detachable electric motor according to claim 1, wherein: carbon brush subassembly (4) include carbon rod (41), copper sheathing (43), the side bottom surface of carbon rod (41) is connected in copper sheathing (43) side bottom surface through spring (42), still even have electrified line (44) on copper sheathing (43), copper sheathing (43) side bottom surface still includes crotch (431), crotch (431) lock is at brush box (2).
4. A brush holder for a brush box detachable electric motor according to claim 3, wherein: the brush box (2) comprises a side bottom plate (23), and a hook (431) of the copper sleeve (43) is buckled on the side bottom plate (23) of the brush box (2).
5. A brush holder for a brush box detachable electric motor according to claim 4, wherein: the carbon rod (41) is further provided with a deflector rod (45), the upper surface of the brush box (2) is provided with a deflector rod groove (22), and the deflector rod (45) can slide in the deflector rod groove (22).
6. A brush holder for a brush box detachable electric motor according to claim 4, wherein: still establish breach (24) on brush box (2), establish wire column (13) on brush holder board (1), circular telegram line (44) pass breach (24) and wire column (13), connect on terminal (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121749333.6U CN215771855U (en) | 2021-07-29 | 2021-07-29 | Can dismantle brush box motor brush yoke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121749333.6U CN215771855U (en) | 2021-07-29 | 2021-07-29 | Can dismantle brush box motor brush yoke |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215771855U true CN215771855U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121749333.6U Active CN215771855U (en) | 2021-07-29 | 2021-07-29 | Can dismantle brush box motor brush yoke |
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| Country | Link |
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| CN (1) | CN215771855U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117040170A (en) * | 2023-08-02 | 2023-11-10 | 湖北东南佳新材料有限公司 | Carbon brush holder for automobile start-stop motor and quick assembly device for carbon brush holder |
-
2021
- 2021-07-29 CN CN202121749333.6U patent/CN215771855U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117040170A (en) * | 2023-08-02 | 2023-11-10 | 湖北东南佳新材料有限公司 | Carbon brush holder for automobile start-stop motor and quick assembly device for carbon brush holder |
| CN117040170B (en) * | 2023-08-02 | 2024-03-26 | 湖北东南佳新材料有限公司 | Carbon brush holder for automobile start-stop motor and quick assembly device for carbon brush holder |
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