CN106533028B - Brush holder plate assembly, motor with same and electric brush limiting tool - Google Patents
Brush holder plate assembly, motor with same and electric brush limiting tool Download PDFInfo
- Publication number
- CN106533028B CN106533028B CN201610970802.4A CN201610970802A CN106533028B CN 106533028 B CN106533028 B CN 106533028B CN 201610970802 A CN201610970802 A CN 201610970802A CN 106533028 B CN106533028 B CN 106533028B
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- brush
- limiting
- plate assembly
- electric
- holder plate
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/14—Means for supporting or protecting brushes or brush holders
-
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Motor Or Generator Current Collectors (AREA)
Abstract
The invention provides a brush holder plate assembly, a motor with the brush holder plate assembly and a brush limiting tool. The brush holder plate assembly comprises a main cover plate with a rotor shaft hole and a brush fixing seat arranged in the main cover plate, wherein a radially slidable brush along the rotor shaft hole is arranged in the brush fixing seat, a limiting hole for allowing a brush limiting tool to pass through is formed in the brush fixing seat, and the brush limiting tool is arranged in the limiting hole in a penetrating manner so as to limit the brush at a preset position in the brush fixing seat; by applying the brush holder plate assembly of the technical scheme, in the motor assembly process, the electric brush can be limited in the electric brush fixing seat by matching the electric brush limiting tool with the brush holder plate assembly, the electric brush is prevented from being accidentally popped up to damage the rotor or break the electric brush in the installation process, meanwhile, the installation difficulty can be greatly reduced, and the installation efficiency is improved. The problem that the permanent magnet brush motor in the prior art is difficult to assemble is solved.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a brush holder plate assembly, a motor with the brush holder plate assembly and a brush limiting tool.
Background
Currently, in various household appliances or electric tools, the permanent magnet brush motor occupies a very large amount, and usually, contact between the brushes and the commutator of the permanent magnet brush motor is pushed by a spring. In the actual assembly process, the end cover of the motor is difficult to assemble due to the action of the spring and the limitation of the assembly space, meanwhile, the spring can easily pop up the electric brush by mistake, and the rotor is easily damaged or broken by the spring, so that the qualification rate of products is affected.
Disclosure of Invention
The invention mainly aims to provide a brush holder plate assembly, a motor with the brush holder plate assembly and a brush limiting tool, so as to at least solve the problem that a permanent magnet brush motor in the prior art is difficult to assemble.
In order to achieve the above object, according to one aspect of the present invention, there is provided a brush holder plate assembly including a main cover plate having a rotor shaft hole and a brush holder disposed in the main cover plate, wherein a brush slidable in a radial direction of the rotor shaft hole is disposed in the brush holder, a limiting hole for passing a brush limiting tool is formed in the brush holder, and the brush limiting tool is passed through the limiting hole to limit the brush to a preset position in the brush holder.
Further, the electric brush fixing seat comprises two limiting plates, and a sliding chute for sliding the electric brush is formed between the two limiting plates; wherein, the spacing hole is offered on two limiting plates to make the spacing instrument of brush pass two limiting plates.
Further, the limiting hole is formed in one end, close to the rotor shaft hole, of the limiting plate.
Further, the extending direction of the limiting hole is perpendicular to the sliding direction of the electric brush.
Further, the number of the electric brush fixing seats is two, and the two electric brush fixing seats are respectively arranged on two opposite sides of the rotor shaft hole.
Further, the brush holder plate assembly further includes: a surrounding baffle plate arranged around the circumferential edge of the main cover plate; wherein, set up the groove of wearing that corresponds with spacing hole on the baffle to make the one end of the spacing instrument of brush penetrate in the spacing hole after wearing the groove.
Further, the number of the electric brush fixing seats and the number of the through grooves are two, and each through groove is opposite to the limit hole on the corresponding electric brush fixing seat.
According to another aspect of the present invention, there is provided an electric motor comprising a brush holder plate assembly, the brush holder plate assembly being the brush holder plate assembly described above.
According to still another aspect of the present invention, there is provided a brush limiting tool for inserting a rotor of an electric motor into a rotor shaft hole of a main cover plate of a brush holder plate assembly of the above-described content, the brush limiting tool being inserted into a limiting hole of a brush holder of the brush holder plate assembly to limit a brush to a preset position in the brush holder.
Further, the brush fixing base is two, and the spacing instrument of brush includes: and each inserting arm is matched with a limiting hole on one electric brush fixing seat, and the inserting arms penetrate through the corresponding limiting holes to limit the electric brush to a preset position in the electric brush fixing seat.
According to the brush holder plate assembly, the main cover plate with the rotor shaft hole and the brush fixing seat arranged in the main cover plate are arranged, the brush fixing seat is internally provided with the electric brush which can slide along the radial direction of the rotor shaft hole, the brush fixing seat is provided with the limiting hole for the electric brush limiting tool to pass through, and the electric brush limiting tool is arranged in the limiting hole in a penetrating manner so as to limit the electric brush at a preset position in the brush fixing seat, so that in the motor assembly process, the electric brush can be limited in the brush fixing seat by matching the electric brush limiting tool with the brush holder plate assembly, the electric brush is prevented from being accidentally popped up to damage the rotor or break the electric brush in the installation process, meanwhile, the installation difficulty is greatly reduced, and the installation efficiency is improved. The problem that the permanent magnet brush motor in the prior art is difficult to assemble is solved.
In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic illustration of an alternative brush holder plate assembly according to an embodiment of the present invention;
FIG. 2 is a schematic illustration of an alternative brush holder plate assembly and brush spacing tool assembly according to an embodiment of the present invention;
FIG. 3 is a schematic view of a brush holder plate assembly according to an alternative embodiment of the present invention in a first configuration with a rotor during installation;
FIG. 4 is a schematic view of a brush holder plate assembly according to an alternative embodiment of the present invention in a second configuration with a rotor during installation;
FIG. 5 is a schematic view of a brush holder plate assembly according to an alternative embodiment of the present invention in a third configuration with a rotor during installation;
FIG. 6 is a schematic view of a brush holder plate assembly according to an alternative embodiment of the present invention in a first configuration with a motor housing during installation;
FIG. 7 is a schematic view of a brush holder plate assembly according to an alternative embodiment of the present invention in a second configuration with a motor housing during installation; and
fig. 8 is a schematic view of a third state of the brush holder plate assembly during installation with a motor housing according to an alternative embodiment of the present invention.
Wherein the above figures include the following reference numerals:
10. a main cover plate; 11. a rotor shaft hole; 20. a brush holder; 21. a limiting hole; 22. a limiting plate; 30. a brush; 40. a surrounding baffle; 41. penetrating a groove; 50. an arm; 60. a spring; 70. a handle; 80. a rotor; 90. a commutator; 100. a housing.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
As shown in fig. 1 and 2, the brush holder plate assembly according to the embodiment of the present invention includes a main cover plate 10 having a rotor shaft hole 11 and a brush holder 20 disposed in the main cover plate 10, a brush 30 slidable in a radial direction of the rotor shaft hole 11 is disposed in the brush holder 20, a limiting hole 21 for passing a brush limiting tool is formed in the brush holder 20, and the brush limiting tool is passed through the limiting hole 21 to limit the brush 30 to a preset position in the brush holder 20.
According to the brush holder plate assembly, the main cover plate 10 with the rotor shaft hole 11 and the brush fixing seat 20 arranged in the main cover plate 10 are arranged, the brush fixing seat 20 is internally provided with the brush 30 which can slide along the radial direction of the rotor shaft hole 11, the brush fixing seat 20 is provided with the limiting hole 21 for the passage of the brush limiting tool, and the brush limiting tool is arranged in the limiting hole 21 in a penetrating manner so as to limit the brush 30 at a preset position in the brush fixing seat 20, so that the brush 30 can be limited in the brush fixing seat 20 by matching the brush limiting tool with the brush holder plate assembly in the motor assembly process, the brush 30 is prevented from being accidentally popped up to damage the rotor or break the brush in the installation process, the installation difficulty is greatly reduced, and the installation efficiency is improved. The problem that the permanent magnet brush motor in the prior art is difficult to assemble is solved.
In particular, the number of the brush holders 20 is two, the two brush holders 20 are respectively disposed on two opposite sides of the rotor shaft hole 11, and the front end of each brush holder 20 is close to the edge of the rotor shaft hole 11. The brush fixing base 20 includes two parallel limiting plates 22, a sliding slot for the brush 30 to slide is formed between the two limiting plates 22, and the brush 30 is slidably disposed in the sliding slot.
A surrounding baffle 40 is arranged around the circumferential edge of the main cover plate 10, the rear end of the electric brush 30 is connected with a spring 60, the rear end of the spring 60 is abutted with the surrounding baffle 40 so as to apply elastic force towards the rotor shaft hole 11 to the electric brush 30, and when the rotor of the motor is arranged in the rotor shaft hole 11, the two electric brushes 30 are respectively abutted with a commutator on the rotor under the action of the spring 60 so as to supply power to the motor.
Optionally, the limiting hole 21 is formed at one end, close to the rotor shaft hole 11, of the two limiting plates 22, the extending direction of the limiting hole 21 is perpendicular to the sliding direction of the electric brush 30, and the electric brush 30 is blocked after the electric brush limiting tool passes through the limiting holes 21 of the two limiting plates 22, so that the electric brush 30 is prevented from being ejected, and the motor rotor is convenient to install.
In order to facilitate the electric brush spacing tool to pass through the shell of the motor to reach the position of the electric brush fixing seat 20 and pass through the spacing hole 21 on the electric brush fixing seat 20, optionally, the surrounding baffle 40 is provided with two through grooves 41 corresponding to the spacing hole 21, each through groove 41 is arranged opposite to the spacing hole 21 on the corresponding electric brush fixing seat 20 and the through grooves 41 are in the same straight line with the spacing hole 21 on the electric brush fixing seat 20, and one end of the electric brush spacing tool penetrates into the spacing hole 21 after passing through the through grooves 41 to block the electric brush 30.
According to another embodiment of the present invention, there is provided an electric motor including a brush holder plate assembly, which is the brush holder plate assembly of the above embodiment.
The motor applying the brush holder plate assembly of the embodiment can limit the electric brush 30 in the electric brush fixing seat 20 by matching the electric brush limiting tool with the brush holder plate assembly in the assembly process, so that the electric brush 30 is prevented from accidentally popping up to damage a rotor or breaking the electric brush in the installation process, the installation difficulty is greatly reduced, and the installation efficiency is improved. The problem that the permanent magnet brush motor in the prior art is difficult to assemble is solved.
According to a third embodiment of the present invention, there is provided a brush-limiting tool for threading a rotor 80 of an electric motor into a rotor shaft hole 11 of a main cover plate 10 of a brush holder plate assembly of the above-described embodiment, the brush-limiting tool being threaded into a limiting hole 21 of a brush holder 20 of the brush holder plate assembly to limit a brush 30 in the brush holder 20, preventing the brush 30 from sliding toward the rotor shaft hole 11, thereby facilitating assembly of the motor rotor.
As shown in fig. 2, two brush holders 20 are provided, two inserting arms 50 are provided at the front end of the brush limiting tool, a handle 70 is provided at the rear end of the brush limiting tool, each inserting arm 50 is matched with a limiting hole 21 on one brush holder 20, and the inserting arms 50 are inserted into the corresponding limiting holes 21 through the through grooves 41 on the peripheral baffle 40 at the edge of the main cover plate 10 by the handle 70 to limit the brush 30 at a preset position in the brush holder 20.
In the specific assembly process of the motor, as shown in fig. 2, firstly, two inserting arms 50 of the electric brush limiting tool are inserted into corresponding limiting holes 21 on two electric brush fixing bases 20 through two penetrating grooves 41 on a surrounding baffle plate 40 at the edge of a main cover plate 10, in the insertion process, other auxiliary appliances or hands are adopted to push two electric brushes 30 in the two electric brush fixing bases 20 towards a direction away from a rotor shaft hole 11, so that the head ends of the two electric brushes 30 can not block the rotor shaft hole 11, in the pushing process of the electric brushes 30, springs 60 are extruded towards the surrounding baffle plate 40, and when the two electric brushes 30 are pushed to expose the limiting holes 21 on the two electric brush fixing bases 20, the two inserting arms 50 of the electric brush limiting tool are quickly inserted into the two limiting holes 21, so that the two electric brushes 30 are blocked, and the electric brushes are prevented from being ejected.
Subsequently, the rotor 80 of the motor is assembled, and in the first stage, as shown in fig. 3 and 6, the rotor 80 is aligned with the rotor shaft hole 11 on the main cover plate 10, and at this time, the axes of the two coincide, and the distance between the lower end surface of the commutator 90 on the rotor 80 and the upper end surface of the brush 30 is h1; in the second stage, as shown in fig. 4 and 7, the rotor 80 moves downward integrally, the lower end face of the commutator 90 passes over the upper end face of the brush 30, the distance between the lower end face of the commutator 90 on the rotor 80 and the upper end face of the brush 30 is-h 2, and the housing 100 of the motor partially coincides with the peripheral baffle 40 at the edge of the main cover plate 10; in the third stage, as shown in fig. 5 and 8, the rotor 80 continues to move downwards, the end of the rotor 80 completely enters the rotor shaft hole 11, the commutator 90 is located between the two brushes 30, at this time, the distance between the lower end face of the commutator 90 on the rotor 80 and the upper end face of the brushes 30 is-h 3, the housing 100 of the motor completely coincides with the peripheral baffle 40 at the edge of the main cover plate 10, the rotor 80 is assembled in place, finally, the brush limiting tool inserted into the limiting hole 21 of the brush fixing seat 20 is pulled out, and the two brushes 30 are pressed on the side wall of the commutator 90 under the action of the elastic force of the springs 60, so that the assembly is completed.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A brush holder plate assembly comprising a main cover plate (10) with a rotor shaft hole (11) and a brush fixing seat (20) arranged in the main cover plate (10), wherein a brush (30) which can slide along the radial direction of the rotor shaft hole (11) is arranged in the brush fixing seat (20), and is characterized in that,
a limiting hole (21) for allowing a brush limiting tool to pass through is formed in the brush fixing seat (20), and the brush limiting tool is arranged in the limiting hole (21) in a penetrating manner so as to limit the brush (30) to a preset position in the brush fixing seat (20);
the brush holder plate assembly further includes:
a peripheral baffle (40) disposed around a peripheral edge of the main cover plate (10);
wherein, the surrounding baffle plate (40) is provided with a through groove (41) corresponding to the limiting hole (21), so that one end of the electric brush limiting tool penetrates into the limiting hole (21) after passing through the through groove (41); the number of the electric brush fixing seats (20) and the number of the through grooves (41) are two, and each through groove (41) is opposite to the corresponding limit hole (21) in one electric brush fixing seat (20).
2. The brush holder plate assembly according to claim 1, wherein the brush holder (20) includes two limiting plates (22), and a sliding slot for sliding the brush (30) is formed between the two limiting plates (22);
the limiting holes (21) are formed in the two limiting plates (22), so that the electric brush limiting tool penetrates through the two limiting plates (22).
3. The brush holder plate assembly according to claim 2, wherein the limiting hole (21) is formed at an end of the limiting plate (22) near the rotor shaft hole (11).
4. The brush holder plate assembly according to claim 2, wherein the extending direction of the limiting hole (21) is perpendicular to the sliding direction of the brush (30).
5. The brush holder plate assembly according to claim 1, wherein the number of brush holders (20) is two, and the two brush holders (20) are respectively disposed at opposite sides of the rotor shaft hole (11).
6. An electric motor comprising a brush holder plate assembly, wherein the brush holder plate assembly is as claimed in any one of claims 1 to 5.
7. A brush-limiting tool for threading a rotor (80) of an electric motor into a rotor shaft hole (11) of a main cover plate (10) of a brush holder plate assembly according to any one of claims 1 to 5, the brush-limiting tool being threaded into a limiting hole (21) of a brush holder (20) of the brush holder plate assembly to limit a brush (30) to a preset position in the brush holder (20).
8. The brush-limiting tool according to claim 7, wherein the brush holders (20) are two, the brush-limiting tool comprising:
and each inserting arm (50) is matched with the limiting hole (21) on one electric brush fixing seat (20), and each inserting arm (50) is arranged in the corresponding limiting hole (21) in a penetrating way so as to limit the electric brush (30) to a preset position in the electric brush fixing seat (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610970802.4A CN106533028B (en) | 2016-10-27 | 2016-10-27 | Brush holder plate assembly, motor with same and electric brush limiting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610970802.4A CN106533028B (en) | 2016-10-27 | 2016-10-27 | Brush holder plate assembly, motor with same and electric brush limiting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106533028A CN106533028A (en) | 2017-03-22 |
| CN106533028B true CN106533028B (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610970802.4A Active CN106533028B (en) | 2016-10-27 | 2016-10-27 | Brush holder plate assembly, motor with same and electric brush limiting tool |
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| CN (1) | CN106533028B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245398A (en) * | 2018-09-14 | 2019-01-18 | 温州豪华汽车配件有限公司 | A kind of new hydraulic pump motor assembly |
| CN109639064B (en) * | 2018-12-30 | 2023-10-13 | 浙江联宜电机有限公司 | End face brush end cover rotor assembly auxiliary device |
| CN111614191A (en) * | 2020-05-01 | 2020-09-01 | 东风汽车集团有限公司 | Carbon brush assembly for grounding current of motor shaft and mounting structure thereof |
| CN111577616B (en) * | 2020-05-18 | 2021-04-13 | 赵华勇 | Direct-current submersible pump with carbon brush convenient to replace |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB946913A (en) * | 1961-12-27 | 1964-01-15 | Ford Motor Co | Alternator |
| CN101741168A (en) * | 2010-01-18 | 2010-06-16 | 深圳市双环全新机电股份有限公司 | Ultrasmall DC electric motor capable of preventing fracture of root of wire |
| CN101868902A (en) * | 2007-11-22 | 2010-10-20 | 罗伯特·博世有限公司 | DC machine |
| CN106059168A (en) * | 2016-05-21 | 2016-10-26 | 安庆皖南电机有限公司 | Sparkproof AC motor |
| CN206164268U (en) * | 2016-10-27 | 2017-05-10 | 珠海格力节能环保制冷技术研究中心有限公司 | Brush holder board subassembly and have its motor and spacing instrument of brush |
-
2016
- 2016-10-27 CN CN201610970802.4A patent/CN106533028B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB946913A (en) * | 1961-12-27 | 1964-01-15 | Ford Motor Co | Alternator |
| CN101868902A (en) * | 2007-11-22 | 2010-10-20 | 罗伯特·博世有限公司 | DC machine |
| CN101741168A (en) * | 2010-01-18 | 2010-06-16 | 深圳市双环全新机电股份有限公司 | Ultrasmall DC electric motor capable of preventing fracture of root of wire |
| CN106059168A (en) * | 2016-05-21 | 2016-10-26 | 安庆皖南电机有限公司 | Sparkproof AC motor |
| CN206164268U (en) * | 2016-10-27 | 2017-05-10 | 珠海格力节能环保制冷技术研究中心有限公司 | Brush holder board subassembly and have its motor and spacing instrument of brush |
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| Publication number | Publication date |
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| CN106533028A (en) | 2017-03-22 |
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