CN206236941U - A kind of riveted bending brush assembly of electric - Google Patents
A kind of riveted bending brush assembly of electric Download PDFInfo
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- CN206236941U CN206236941U CN201621395266.1U CN201621395266U CN206236941U CN 206236941 U CN206236941 U CN 206236941U CN 201621395266 U CN201621395266 U CN 201621395266U CN 206236941 U CN206236941 U CN 206236941U
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- brush
- electric
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Abstract
The application provides a kind of riveted bending brush assembly of electric, it includes bending beryllium copper brushing piece, brush terminal and carbon brush, bending beryllium copper brushing piece has first end, connecting portion and the second end, connecting portion connects first end, and toward first end bending, the second end is connected with connecting portion, and is bent toward connecting portion, there is the first angle between connecting portion and first end, there is the second angle between the second end and connecting portion；Brush terminal is arranged at first end；Carbon brush is arranged at the second end.The connecting portion of the bending beryllium copper brushing piece of the riveted bending brush assembly of electric of the application bends toward first end and its second end bends toward connecting portion, so make riveted bending brush assembly of electric stabilization applies pressure to commutator, and ensure that carbon brush overlaps with the point of contact center line of rotor commutator with magnetic field center, the problem of electric spark is produced when reducing commutation, extends the work service life of motor.
Description
Technical field
The utility model is related to a kind of micromachine technical field, more particularly to a kind of micro- for N20 and N30 series direct currents
The riveted bending brush assembly of electric of type motor.
Background technology
N20 and N30 serial motors mainly use precious metal electric brush on the market at present.In rotating speed high, high torque, high current bar
Under part, precious metal electric brush working life is very short, can only achieve the industry test condition of 5000-12000 times, it is impossible to meet market pair
The demand of product.
N20 and N30 serial motors have small part to use integral type beryllium copper carbon brush structure on the market at present.This beryllium copper carbon brush
There are three big defects in structure, cause motor to meet market demands.One is that beryllium copper carbon brush structure is that Integral refractive is curved, but only
There is a spot hole point rivet hot to be fixed on motor rear cover, cause assembling difficult.After two are integral type beryllium copper carbon brush structure rivet hot, position dimension
It is very unstable, cause carbon brush poor with the contact reliability of commutator.Three is integral type beryllium copper carbon brush structure because of bending angle and side
The design reasons of formula, cause carbon brush to the pressure transient of commutator.Above reason surveys the life-span of N20 and N30 serial motors
The examination time is very unstable.
Utility model content
For deficiency of the prior art, the purpose of this utility model is to provide a kind of riveted bending brush assembly of electric.
In order to solve the above-mentioned technical problem, this application discloses a kind of riveted bending brush assembly of electric, it is characterised in that bag
Include：Bending beryllium copper brushing piece, it has first end, connecting portion and the second end, and the connecting portion connects the first end, and
Toward first end bending, the second end is connected with the connecting portion, and is bent toward the connecting portion, the connecting portion
There is the first angle between the first end, there is the second angle between the second end and the connecting portion；Brush terminal,
It is arranged at the first end；And carbon brush, it is arranged at the second end.
An implementation method according to the application, the angle of above-mentioned first angle is between 54 degree and 58 degree.
An implementation method according to the application, the angle of above-mentioned second angle is between 168 degree and 172 degree.
An implementation method according to the application, the length and described the of the length of above-mentioned first end less than the connecting portion
The summation of the length of two ends.
An implementation method according to the application, the thickness of above-mentioned bending beryllium copper brushing piece is 0.1mm.
An implementation method according to the application, above-mentioned first end has at least one perforation, and the brush terminal has
At least one male member, at least one male member is arranged in corresponding perforation.
An implementation method according to the application, above-mentioned brush terminal length is between 4.4 to 6.8mm.
An implementation method according to the application, the side of above-mentioned carbon brush has cancave cambered surface, and its opposite side has convex portion,
The second end has groove, and the convex portion is arranged at the groove.
An implementation method according to the application, the material of above-mentioned carbon brush includes copper, carbon and trace element.
Compared with prior art, the application can be obtained including following technique effect：
The application provides a kind of riveted bending brush assembly of electric, and the thickness of bending beryllium copper brushing piece is 0.1mm, confirms that it can pacify
Loaded in motor；Bending beryllium copper brushing piece uses high rigidity beryllium copper material, and the connecting portion of right bending beryllium copper brushing piece is curved toward first end
Folding and its second end bend toward connecting portion, riveted bending brush assembly of electric is stably applied pressure to commutator, and
Ensure that carbon brush overlaps with the point of contact center line of rotor commutator with magnetic field center, the problem of electric spark is produced when reducing commutation.
The material of carbon brush includes copper, carbon and trace element, increases the wearability and oxidation resistance of carbon brush.
Brief description of the drawings
Fig. 1 is the schematic diagram of the riveted bending brush assembly of electric of the implementation method of the application one.
Fig. 2 is the schematic diagram of the bending beryllium copper brushing piece of the implementation method of the application one.
Fig. 3 is the schematic diagram of the brush terminal of the implementation method of the application one.
Fig. 4 is the use state figure of the riveted bending brush assembly of electric of the implementation method of the application one.
Specific embodiment
Multiple implementation methods of the application, as clearly stated, the details in many practices will be disclosed with schema below
Will be explained in the following description.It should be appreciated, however, that the details in these practices is not applied to limit the application.Also
It is to say, in some embodiments of the application, the details in these practices is non-essential.Additionally, for the sake of simplifying schema,
Some known usual structures will illustrate it in simply illustrative mode in the drawings with component.
On its " first " used herein, " second " etc., the meaning of order or cis-position is not especially censured, also non-use
To limit the application, it is used for the purpose of component or the operation that difference is described with constructed term.
Refer to Fig. 1, Fig. 2 and Fig. 3, its be the riveted bending brush assembly of electric 1 of the implementation method of the application one schematic diagram,
The schematic diagram of bending beryllium copper brushing piece 10 and the schematic diagram of brush terminal 11；As illustrated, present embodiment provides a kind of for micro-
The riveted bending brush assembly of electric 1 of type motor, riveted bending brush assembly of electric 1 includes bending beryllium copper brushing piece 10, brush terminal 11
And carbon brush 12.Bending beryllium copper brushing piece 10 includes first end 101, the connecting portion 102 and and connecting portion of connection first end 101
The second end 103 of 102 connections, connecting portion 102 bends toward first end 101, and the second end 103 bends toward connecting portion 102, even
There is the first angle 104 between socket part 102 and first end 101, there is the second angle between the second end 103 and connecting portion 102
105, wherein the angle of the first angle 104 is between 54 degree and 58 degree, the angle of the second angle 105 is between 168 degree and 172 degree
Between.The length of first end 101 is less than the summation of the length of the length and the second end 103 of connecting portion 102, wherein bending beryllium copper
The materials'use of brushing piece 10 exempts from the high rigidity beryllium copper of heat treatment, and the thickness of bending beryllium copper brushing piece 10 is 0.1mm.Brush terminal 11 sets
First end 101 is placed in, first end 101 has at least one perforation 1011, and there is brush terminal 11 correspondence at least one to wear
At least one male member 111 in hole 1011, when brush terminal 11 is arranged at first end 101, at least one male member 111 is arranged in
Corresponding perforation 1011, the wherein length dimension of brush terminal 11 are 4.4 to 6.8mm.Carbon brush 12 is arranged at the second end 103,
The side of carbon brush 12 has cancave cambered surface 121, and its opposite side has convex portion 122, and the second end 103 has groove 1031, carbon brush 12
Convex portion 122 be arranged at the groove 1031 of the second end 103, carbon brush 12 is arranged at the second end 103.The material bag of carbon brush 12
Copper is included, the wearability of carbon brush 12 can be lifted.
Also referring to Fig. 2, it is the use state figure of the riveted bending brush assembly of electric 1 of the implementation method of the application one；
As illustrated, two riveted bending brush assembly of electric 1 are arranged at carbon brush end cap 2, there are two relative terminals of carbon brush end cap 2 to pacify
Dress seat 21.The brush terminal 11 of each riveted bending brush assembly of electric 1 is inserted in corresponding terminal mounting seat 21, brush terminal
11 one end passes through carbon brush end cap 2, the first end 101 of bending beryllium copper brushing piece 10 to be fixed on corresponding terminal mounting seat 21.Folding
The second end 103 of curved beryllium copper brushing piece 10 is located at the top of bearing storage tank 22, and carbon brush 12 is located at bearing storage tank 22
Top.Two two of riveted bending brush assembly of electric 1 the two of carbon brush 12 cancave cambered surfaces 121 are relative.
The riveted bending brush assembly of electric 1 of the application is assemblied in motor carries out life test, can reach 50000 times with
On.Tested according to industry technology requirement, it is necessary to reach 15000 times.So the riveted bending brush group of assembling the application
The motor of part 1 can improve more than 3 times of life level and reliability compared to current motor.The riveted bending electricity of the application
Brush assemblies 1 can make strip, realize automated production, and assembly technology is simple.
In sum, the application provides a kind of riveted bending brush assembly of electric, and the thickness of bending beryllium copper brushing piece is 0.1mm,
Confirm that it is mountable in motor；Bending beryllium copper brushing piece uses high rigidity beryllium copper material, and the connecting portion of right bending beryllium copper brushing piece is past
First end bends and its second end bends toward connecting portion, riveted bending brush assembly of electric is stably applied to commutator
Plus-pressure, and ensure that carbon brush overlaps with the point of contact center line of rotor commutator with magnetic field center, electricity fire is produced when reducing commutation
Colored problem.The material of carbon brush includes copper+carbon+trace element, increases the wearability of carbon brush.
The upper only presently filed embodiment, is not limited to the application.For those skilled in the art
For, the application can have various modifications and variations.It is all any modifications made in spirit herein and principle, equivalent
Replace, improve etc., all should be included within the scope of claims hereof.
Claims (9)
1. a kind of riveted bending brush assembly of electric, it is characterised in that including：
Bending beryllium copper brushing piece, it has first end, connecting portion and the second end, and the connecting portion connects the first end,
And toward first end bending, the second end is connected with the connecting portion, and is bent toward the connecting portion, the connection
There is the first angle between portion and the first end, there is the second angle between the second end and the connecting portion；
Brush terminal, it is arranged at the first end；And
Carbon brush, it is arranged at the second end.
2. riveted bending brush assembly of electric according to claim 1, it is characterised in that the angle of first angle between
Between 54 degree and 58 degree.
3. riveted bending brush assembly of electric according to claim 2, it is characterised in that the angle of second angle between
Between 168 degree and 172 degree.
4. riveted bending brush assembly of electric according to claim 1, it is characterised in that the length of the first end is less than
The summation of the length of the connecting portion and the length of the second end.
5. riveted bending brush assembly of electric according to claim 1, it is characterised in that the thickness of the bending beryllium copper brushing piece
It is 0.1mm.
6. riveted bending brush assembly of electric according to claim 1, it is characterised in that the first end has at least
Individual perforation, the brush terminal has at least one male member, and at least one male member is arranged in corresponding perforation.
7. riveted bending brush assembly of electric according to claim 1, it is characterised in that the brush terminal length is 4.4
To between 6.8mm.
8. riveted bending brush assembly of electric according to claim 1, it is characterised in that the side of the carbon brush has concave arc
Face, its opposite side has convex portion, and the second end has groove, and the convex portion is arranged at the groove.
9. riveted bending brush assembly of electric according to claim 8, it is characterised in that the material of the carbon brush include copper,
Carbon and trace element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621395266.1U CN206236941U (en) | 2016-12-19 | 2016-12-19 | A kind of riveted bending brush assembly of electric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621395266.1U CN206236941U (en) | 2016-12-19 | 2016-12-19 | A kind of riveted bending brush assembly of electric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206236941U true CN206236941U (en) | 2017-06-09 |
Family
ID=58992262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621395266.1U Active CN206236941U (en) | 2016-12-19 | 2016-12-19 | A kind of riveted bending brush assembly of electric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206236941U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115966978A (en) * | 2022-12-19 | 2023-04-14 | 浙江亿宝科技有限公司 | Preparation process of riveting electric brush and riveting electric brush |
| CN117060632A (en) * | 2023-10-08 | 2023-11-14 | 中国船舶集团有限公司第七〇七研究所 | Brush structure for an electric machine |
-
2016
- 2016-12-19 CN CN201621395266.1U patent/CN206236941U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115966978A (en) * | 2022-12-19 | 2023-04-14 | 浙江亿宝科技有限公司 | Preparation process of riveting electric brush and riveting electric brush |
| CN115966978B (en) * | 2022-12-19 | 2023-08-18 | 浙江亿宝科技有限公司 | Preparation process of riveted electric brush and riveted electric brush |
| CN117060632A (en) * | 2023-10-08 | 2023-11-14 | 中国船舶集团有限公司第七〇七研究所 | Brush structure for an electric machine |
| CN117060632B (en) * | 2023-10-08 | 2023-12-19 | 中国船舶集团有限公司第七〇七研究所 | Brush structure for an electric machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Huizhou, Guangdong province Huiyang district town of new Wei Yuan hole Patentee after: Guangdong Kingly Gear Co.,Ltd. Address before: Huizhou, Guangdong province Huiyang district town of new Wei Yuan hole Patentee before: GUANGDONG KINGLY GEAR Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |