CN219394553U - Motor brush holder with improved structure - Google Patents
Motor brush holder with improved structure Download PDFInfo
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- CN219394553U CN219394553U CN202320052455.2U CN202320052455U CN219394553U CN 219394553 U CN219394553 U CN 219394553U CN 202320052455 U CN202320052455 U CN 202320052455U CN 219394553 U CN219394553 U CN 219394553U
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- heat conduction
- brush
- brush holder
- electric brush
- top end
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model discloses a motor brush holder with an improved structure, which comprises a main body mounting plate, a locking bracket and a brush box, wherein the locking bracket is fixed on two sides of the top end of the main body mounting plate, a locking mechanism is arranged in the top end of the locking bracket, the brush box is arranged on the top end of the locking bracket, a brush holder mechanism is arranged at one end of the locking bracket, and a heat dissipation mechanism is arranged at the middle position of the top end of the main body mounting plate. According to the utility model, the clamping and locking mechanism is arranged, so that the electric brush can be worn slowly in the using process, electric spark is generated due to jumping of the electric brush, and the electric brush, the steering gear and the rotor are damaged, therefore, the electric brush needs to be replaced regularly, when the electric brush in the electric brush box is replaced and installed, the buckle is pressed to slide down the electric brush box, a new electric brush is installed in the electric brush box, and when the electric brush box is installed, the buckle is pressed by the electric brush box to slide in, then the electric brush box is clamped to prevent the electric brush from being separated, so that the electric brush is installed or replaced more conveniently.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a motor brush holder with an improved structure.
Background
When the rotating part and the fixed part of the rotating machinery such as a direct current motor or a generator transmit energy, the electric brush is needed, the coil is electrified through the electric brush, then current is transmitted to the rotor, so that the rotor changes the current flowing direction, the electric brush frame is a fixing device for installing the electric brush, so that the electric brush and the converter are kept in close contact, the voltage is kept constant, and faults such as ignition are avoided.
For this reason, disclose in the patent specification of publication number CN212486266U that this disclosure provides a motor brush holder, belongs to motor technical field. The motor brush holder includes: the brush box comprises brush frame plates and brush box bodies, wherein the brush frame plates and the brush box bodies are of an integrated structure, output shaft through holes are formed in the brush frame plates, at least two brush box bodies are arranged along the circumference of the output shaft through holes, each brush box body is provided with a carbon brush installation through groove, and the extending directions of the carbon brush installation through grooves are all through and perpendicular to the axis of the output shaft through holes. The motor brush frame assembly method can simplify the installation flow of the motor brush frame and reduce the manufacturing cost of the motor brush frame.
1. The design of the brush holder is very practical, saves a lot of cost to a certain extent, but has a certain defect, and the brush and the commutator are very easy to jump when rotating at a high speed due to uneven pressure and voltage of the contact surface, so that a large amount of electric sparks are caused, and burn damage is generated on the brush, the diverter and the rotor.
2. The process of the brush holder during installation or replacement of the brush is not excessively simplified, and the brush needs to be replaced periodically due to loss in the use process, so that the more convenient replacement structure can save little manpower.
Disclosure of Invention
First, the technical problem to be solved
The utility model aims to provide a motor brush holder with an improved structure, which is used for solving the defect that the conventional electric brush cannot be replaced conveniently when the electric brush is worn in use and needs maintenance.
(II) summary of the utility model
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a motor brush yoke with improve structure, includes main part mounting panel, kayser support and brush box, the both sides on main part mounting panel top all are fixed with the kayser support, the inside on kayser support top is provided with kayser mechanism, kayser mechanism includes torsion spring, rotates fixed station and buckle, one side of kayser support inside is provided with torsion spring, the brush box is installed on the top of kayser support, the one end of kayser support is provided with brush holder mechanism, the intermediate position department on main part mounting panel top installs cooling body.
When the electric brush box is used, the electric brush frame is arranged in the motor, when the electric brush needs to be arranged or replaced, the electric brush box is slidingly taken down by pressing the locking mechanism, the electric brush is arranged in the electric brush box, then the electric brush box is assembled at the original position in the same mode, the locking mechanism forms locking for the electric brush box to prevent the electric brush box from separating, the electrode is connected with the brush holder mechanism, the electric brush is conducted by a wire, meanwhile, pressure is applied to the electric brush, and the electric brush is prevented from jumping to generate sparks. When the motor rotates, heat generated by friction between the electric brush and the steering gear is conducted and volatilized by the heat dissipation mechanism, so that the electric brush and the rotor are prevented from being damaged by a high-temperature environment.
Preferably, the top inside the locking support is fixed with a rotation fixing table, the outer side of the rotation fixing table is rotationally connected with a buckle, when the electric brush in the electric brush box is installed or replaced, the electric brush box is slidably taken down by pressing the buckle, a new electric brush is installed in the electric brush box, and the electric brush box is used for pressing the buckle to slide in during installation, so that the buckle is blocked and prevented from being separated.
Preferably, the torsion spring and the buckle are elastic connection mechanisms, and the rotation fixing table and the buckle are rotation connection mechanisms, so that the electric brush is more convenient to install or replace.
Preferably, the brush holder mechanism comprises a brush holder shell, a fixed guide post, a spiral spring and a wire, wherein the brush holder shell is arranged at one end of the clamping lock bracket, the fixed guide post is fixed at the bottom end of the inside of the brush holder shell, the spiral spring is arranged at the top end of the fixed guide post, the wire is wrapped at the outer side of the fixed guide post, the electric brush can slowly generate abrasion in the use process, the abrasion can lead to inconstant voltage of the pressure of the contact surface of the electric brush and the steering gear, the electric brush jumps to generate electric spark, the electric brush, the steering gear and the rotor are damaged, the wire is connected with a power supply, the fixed guide post is used for conducting to the spiral spring, and the spiral spring is used for applying pressure to the electric brush and electrically connecting the electric brush.
Preferably, one end of the spiral spring extends to the inside of one end of the brush box, and the fixed guide post and the spiral spring are connected linearly, so that the pressure and the voltage between the brush and the steering gear are constant.
Preferably, the heat dissipation mechanism comprises a heat conduction base, a heat conduction pipe and heat conduction fins, the heat conduction base is installed at the top end of the main body installation plate, the heat conduction pipe is fixed at the top end of the heat conduction base, the heat conduction fins are fixed on the outer side of the heat conduction pipe, when the electric brush and the steering gear generate heat in the high-speed rotation friction, the heat is not easy to discharge, when the temperature is accumulated too high, the abrasion of the electric brush can be accelerated, the reliability of the electric brush is reduced, and the problems of blowing of the electric brush braid and the like are solved, therefore, the heat generated in the friction process is conducted to the heat conduction fins by the heat conduction base and the heat conduction pipe, and finally the heat is volatilized by the heat conduction fins.
Preferably, the inner diameter cross-sectional area of the heat conduction base is larger than the outer diameter cross-sectional area of the heat conduction pipe, and the heat conduction pipe and the heat conduction fins are welded into an integrated structure, so that heat dissipation of the whole electric brush mechanism is realized.
(III) beneficial effects
The motor brush frame with the improved structure provided by the utility model has the advantages that: through the arrangement of the locking mechanism, when the electric brush in the electric brush box is installed or replaced, the electric brush box is slidably taken down by pressing the buckle, a new electric brush is installed in the electric brush box, and the electric brush box is used for pressing the buckle to slide in and then locking to prevent the electric brush from being separated during installation, so that the electric brush is more convenient to install or replace;
the brush is provided with the brush holder mechanism, the electric brush can be worn slowly in the using process, the wear can lead to inconstant voltage of pressure of the contact surface of the electric brush and the steering gear, electric spark is generated by jumping of the electric brush, and the electric brush, the steering gear and the rotor are damaged, so that a wire is connected with a power supply, then the wire is conducted to the spiral spring through the fixed guide post, the spiral spring is used for applying pressure to the electric brush and electrically connecting the electric brush, and the constancy of the pressure and the voltage between the electric brush and the steering gear is realized;
through being provided with heat dissipation mechanism, can produce the heat when brush and steering gear are in the friction of high-speed rotation, these heat are difficult for discharging, can accelerate the wearing and tearing of brush when the temperature accumulation is too high, make the brush reliability reduce to and the brush pigtail burn out scheduling problem, consequently need heat conduction base and heat conduction pipe to heat conduction fin that produces when will friction, volatilize the heat by heat conduction fin at last, realized the heat dissipation to the whole mechanism of brush.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a three-dimensional structure of a body according to the present utility model;
FIG. 2 is a schematic side sectional view of the present utility model;
FIG. 3 is a schematic view of a front cross-sectional structure of the latch mechanism of the present utility model;
FIG. 4 is a schematic top view of a brush holder mechanism according to the present utility model;
fig. 5 is a schematic top view of a heat dissipation mechanism according to the present utility model.
In the figure: 1. a main body mounting plate; 2. a latch bracket; 3. a latch mechanism; 301. a torsion spring; 302. rotating the fixed table; 303. a buckle; 4. a brush box; 5. a brush holder mechanism; 501. a brush holder housing; 502. fixing the guide post; 503. a spiral spring; 504. a wire; 6. a heat dissipation mechanism; 601. a thermally conductive base; 602. a heat conduction pipe; 603. and the heat conducting fins.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
Referring to fig. 1 to 5, the motor brush holder with improved structure provided by the present utility model includes a main body mounting plate 1, a latch bracket 2 and a brush box 4, and is characterized in that: the both sides on main part mounting panel 1 top all are fixed with kayser support 2, and brush box 4 is installed on the top of kayser support 2, and the inside on kayser support 2 top is provided with kayser mechanism 3, and kayser mechanism 3 includes torsion spring 301, rotates fixed station 302 and buckle 303, and one side of kayser support 2 inside is provided with torsion spring 301, and the inside top of kayser support 2 is fixed with and rotates fixed station 302, rotates the outside of fixed station 302 and rotates and be connected with buckle 303, and torsion spring 301 and buckle 303 are elastic connection mechanism, rotate fixed station 302 and buckle 303 and are rotation connection mechanism.
The motor brush holder with the improved structure based on embodiment 1 works on the principle that by being provided with the latch mechanism, when the electric brush in the electric brush box 4 is installed or replaced, the electric brush box 4 is slidingly taken down by pressing the buckle 303, a new electric brush is installed in the electric brush box 4, and when the electric brush box 4 is installed, the buckle 303 is pressed to slide in and then is blocked to prevent detachment, so that the electric brush is installed or replaced more conveniently.
Example two
The embodiment further includes: the one end of kayser support 2 is provided with brush holder mechanism 5, and brush holder mechanism 5 includes brush holder shell 501, fixed guide pillar 502, spiral spring 503 and wire 504, and the one end of kayser support 2 is provided with brush holder shell 501, and the inside bottom mounting of brush holder shell 501 has fixed guide pillar 502, and spiral spring 503 is installed on the top of fixed guide pillar 502, and the outside of fixed guide pillar 502 wraps up has wire 504, and the inside of one end extension to brush box 4 one end of spiral spring 503 is fixed guide pillar 502 and spiral spring 503 and is the linear connection.
In this embodiment, through being provided with the brush holder mechanism, the brush can slowly produce wearing and tearing in the use, and wearing and tearing can lead to the brush to be inconstant with the voltage of the pressure of steering gear contact surface, leads to the brush to beat and produces the electric spark, causes the damage to brush, steering gear and rotor, consequently connects the power to wire 504, is conducted to spiral spring 503 by fixed guide pillar 502 again, uses spiral spring 503 to exert pressure to the brush and carry out electric connection to the brush, has realized the brush to the invariable of pressure and voltage between the steering gear.
Example III
The embodiment further includes: the heat dissipation mechanism 6 is installed to intermediate position department on main part mounting panel 1 top, and heat dissipation mechanism 6 includes heat conduction base 601, heat conduction pipe 602 and heat conduction fin 603, and heat conduction base 601 is installed on the top of main part mounting panel 1, and the top of heat conduction base 601 is fixed with heat conduction pipe 602, and the outside of heat conduction pipe 602 is fixed with heat conduction fin 603, and the internal diameter cross-sectional area of heat conduction base 601 is greater than the external diameter cross-sectional area of heat conduction pipe 602, heat conduction pipe 602 and heat conduction fin 603 welding integral structure.
In this embodiment, by providing the heat dissipation mechanism, when the brushes and the steering gear generate heat in the friction of high-speed rotation, the heat is not easy to be discharged, and when the temperature is excessively high, the abrasion of the brushes is accelerated, so that the reliability of the brushes is reduced, and the brushes are blown, so that the heat generated in the friction process needs to be conducted to the heat conducting fins 603 by the heat conducting base 601 and the heat conducting pipe 602, and finally the heat is volatilized by the heat conducting fins 603, thereby realizing the heat dissipation of the whole mechanism of the brushes.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (7)
1. Motor brush yoke with improve structure, including main part mounting panel (1), kayser support (2) and brush box (4), its characterized in that: the two sides of the top end of the main body mounting plate (1) are fixedly provided with locking brackets (2);
the novel electric brush locking device is characterized in that a locking mechanism (3) is arranged in the top end of the locking support (2), the locking mechanism (3) comprises a torsion spring (301), a rotary fixing table (302) and a buckle (303), the torsion spring (301) is arranged on one side of the inside of the locking support (2), a brush box (4) is arranged at the top end of the locking support (2), and a brush holder mechanism (5) is arranged at one end of the locking support (2);
and a heat dissipation mechanism (6) is arranged at the middle position of the top end of the main body mounting plate (1).
2. The motor brush holder with improved structure according to claim 1, wherein: the top inside the locking bracket (2) is fixed with a rotation fixing table (302), and the outer side of the rotation fixing table (302) is rotationally connected with a buckle (303).
3. A motor brush holder with improved structure according to claim 2, characterized in that: the torsion spring (301) and the buckle (303) are elastic connection mechanisms, and the rotation fixing table (302) and the buckle (303) are rotation connection mechanisms.
4. The motor brush holder with improved structure according to claim 1, wherein: the brush holder mechanism (5) comprises a brush holder shell (501), a fixed guide post (502), a spiral spring (503) and a wire (504), wherein the brush holder shell (501) is arranged at one end of the clamping lock bracket (2), the fixed guide post (502) is fixed at the bottom end of the inside of the brush holder shell (501), the spiral spring (503) is arranged at the top end of the fixed guide post (502), and the wire (504) is wrapped at the outer side of the fixed guide post (502).
5. The motor brush holder with improved structure according to claim 4, wherein: one end of the spiral spring (503) extends to the inside of one end of the brush box (4), and the fixed guide post (502) and the spiral spring (503) are connected linearly.
6. The motor brush holder with improved structure according to claim 1, wherein: the heat dissipation mechanism (6) comprises a heat conduction base (601), a heat conduction pipe (602) and heat conduction fins (603), wherein the heat conduction base (601) is installed at the top end of the main body installation plate (1), the heat conduction pipe (602) is fixed at the top end of the heat conduction base (601), and the heat conduction fins (603) are fixed on the outer side of the heat conduction pipe (602).
7. The motor brush holder with improved structure according to claim 6, wherein: the inner diameter cross-sectional area of the heat conduction base (601) is larger than the outer diameter cross-sectional area of the heat conduction pipe (602), and the heat conduction pipe (602) and the heat conduction fins (603) are welded into an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320052455.2U CN219394553U (en) | 2023-01-09 | 2023-01-09 | Motor brush holder with improved structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320052455.2U CN219394553U (en) | 2023-01-09 | 2023-01-09 | Motor brush holder with improved structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219394553U true CN219394553U (en) | 2023-07-21 |
Family
ID=87171753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320052455.2U Active CN219394553U (en) | 2023-01-09 | 2023-01-09 | Motor brush holder with improved structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219394553U (en) |
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2023
- 2023-01-09 CN CN202320052455.2U patent/CN219394553U/en active Active
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