CN109378925B - Direct current brush fixed knot constructs and motor - Google Patents
Direct current brush fixed knot constructs and motor Download PDFInfo
- Publication number
- CN109378925B CN109378925B CN201811381822.3A CN201811381822A CN109378925B CN 109378925 B CN109378925 B CN 109378925B CN 201811381822 A CN201811381822 A CN 201811381822A CN 109378925 B CN109378925 B CN 109378925B
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- brush
- arm
- groove
- fixed
- clamped
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Classifications
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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
Abstract
The application provides a direct-current electric brush fixing structure and a motor, wherein the electric brush fixing structure comprises an electric brush shell and an electric brush arm; the brush shell is provided with a fixed slot; the fixed groove is a through groove; the brush arm is provided with a limit terminal; the brush arm passes through the fixed slot and is clamped on the fixed slot through the limit terminal; by adopting the direct current brush fixing structure scheme, the brush can be quickly, reasonably and effectively fixed on the brush shell, so that the brush is installed; the scheme provided by the application has the advantages of relatively compact and simple structure, convenience in installation and fixation, capability of effectively reducing the cost of the direct current brush, better stability and capability of effectively improving the conductivity of the brush, thereby improving the energy efficiency and the service life of the motor.
Description
Technical Field
The application belongs to the technical field of direct current brush fixing structures, and particularly relates to a direct current brush fixing structure and a motor.
Background
The existing direct current electric brush fixing structure is relatively complex, so that the installation and fixing of an electric brush are also complex, as shown in fig. 1 and 2, the electric brush needs to be fixed through rivets, the installation efficiency is extremely low, and electric brush components are easy to damage; therefore, the performance of the motor is reduced, the stability is higher, and the energy efficiency and the service life of the motor are shortened poorly.
Based on the technical problems existing in the direct current brush fixing structure, no related solution exists yet; there is therefore an urgent need to seek an effective solution to the above problems.
Disclosure of Invention
The application aims at solving the defects in the prior art, and provides a direct-current electric brush fixing structure and a motor, aiming at solving the problem that the existing electric brush mounting and fixing structure is complex.
The application provides a direct current electric brush fixing structure, which comprises an electric brush shell and an electric brush arm; the brush shell is provided with a fixed slot; the fixed groove is a through groove; the brush arm is provided with a limit terminal; the brush arm passes through the fixed slot and is clamped on the fixed slot through the limit terminal.
Further, the brush arm comprises a body and a spring arm; the limit terminal is arranged on the body; the side edge of one end of the fixed groove is provided with a fixed groove wall; the end part of the fixed groove wall is provided with a brush arm supporting opening; the brush arm passes through the fixing groove through the body and is clamped on the wall of the fixing groove through the spring arm.
Further, a fixed close-fitting point is arranged on the body; the spring arm is fixedly arranged on the body through a fixed close-fitting point; a reinforcing rib is arranged between the spring arm and the body; the fixed slot wall is provided with an electric brush arm supporting opening; the brush arm is clamped on the brush arm supporting opening through the reinforcing rib.
Further, the other end of the fixed groove is provided with a limit groove; the brush arm passes through the fixing groove through the body and is bent and clamped in the limiting groove through the limiting terminal.
Further, an inserting arm is arranged on the body in an extending mode, and a step is arranged between the inserting arm and the body; the body passes through the fixed slot through the inserting arm and is clamped in the fixed slot through the step.
Further, the limit terminals are respectively arranged at two ends of the inserting arm; the inserting arm penetrates through the fixing groove and is bent and clamped at the other end of the fixing groove through the limiting terminals at the two ends.
Further, two ends of the inserting arm are inwards concave to form a limit terminal; the limit terminals are symmetrically arranged at two ends of the inserting arm respectively.
Further, the fixing groove comprises two fixing grooves; the brush arm comprises two brush arms; the two fixing grooves are respectively arranged on two sides of the electric brush shell; the two brush arms penetrate through the fixed groove and are bent and clamped in the limiting groove at the other end of the fixed groove through the limiting terminal.
Further, one end of the fixed groove wall is bent to form a brush arm supporting opening; the brush arm support opening is provided with an inclined plane; a reinforcing rib is arranged between the spring arm and the body; the brush arm is clamped on the inclined surface of the brush arm supporting opening through the reinforcing rib.
Correspondingly, the application also provides a motor which comprises an electric brush fixing structure; the electric brush fixing structure is the direct current electric brush fixing structure.
By adopting the direct current brush fixing structure scheme, the brush can be quickly, reasonably and effectively fixed on the brush shell, so that the brush is mounted, and the damage risk of each part of the brush can be effectively reduced; the scheme provided by the application has the advantages of relatively compact and simple structure, convenience in installation and fixation, capability of effectively reducing the cost of the direct current brush, better stability and capability of effectively improving the conductivity of the brush, thereby improving the energy efficiency and the service life of the motor.
Drawings
The application will be described in further detail with reference to the drawings and the detailed description.
The application will be further described with reference to the accompanying drawings in which:
FIG. 1 is a front view of a prior art brush housing construction;
FIG. 2 is a perspective view of a prior art brush housing structure;
FIG. 3 is a perspective view (front) of the brush housing of the present application;
FIG. 4 is a front view of the brush housing structure of the present application;
FIG. 5 is a schematic view of a brush arm construction according to the present application;
FIG. 6 is a schematic diagram illustrating a DC brush fixture according to the present application;
FIG. 7 is a second schematic diagram illustrating a DC brush fixture according to the present application;
FIG. 8 is a perspective view (reverse side) of the brush housing structure of the present application;
FIG. 9 is an enlarged schematic view of portion A of FIG. 8;
FIG. 10 is a front view (reverse side) of a brush housing structure terminal of the present application without bending;
FIG. 11 is an enlarged schematic view of portion B of FIG. 10;
FIG. 12 is a front view (reverse side) of a brush housing structural terminal of the present application;
fig. 13 is an enlarged schematic view of a portion C of fig. 12.
In the figure: 1. a brush housing; 2. a fixing groove; 3. a fixed slot wall; 4. a brush arm support opening; 5. a brush arm; 51. a body; 52. an arm; 53. a limit terminal; 531. a straight line terminal; 532. bending the terminal; 54. a spring arm; 55. a step; 56. fixing the close-fitting point; 57. reinforcing ribs; 6. a limit groove; 7. rivet hole; 8. and (5) a rivet.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 3 to 13, the present application provides a direct current brush fixing structure including a brush housing 1 and a brush arm 5; the brush shell 1 is provided with a fixed groove 2; the fixed slot 2 is a through slot, and the fixed slot 2 passes through one end of the brush shell 1 and the other end of the brush shell for fixing the brush arm 5; the brush arm 5 is provided with a limit terminal 53; the brush arm 5 passes through the fixed slot 2 and is clamped on the fixed slot 2 through the limit terminal 53, so that the brush arm 5 is fixed on the brush shell 1; the electric brush fixing structure is convenient to install, the installation structure is relatively simple and reliable, the electric brush fixing structure is suitable for installation and fixing of an existing direct current electric brush, the damage risk of electric brush parts is reduced, and the cost of the direct current electric brush can be effectively reduced.
Preferably, in combination with the above, as shown in fig. 3 to 13, in the present embodiment, the brush arm 5 includes a body 51 and a spring arm 54; the limit terminal 53 is arranged at the tail end of the body 51; the side edge of one end (the front surface of the brush shell) of the fixed groove 2 is provided with a fixed groove wall 3; the end part of the fixed groove wall 3 is provided with a brush arm supporting opening 4; the brush arm 5 passes through the fixing groove 2 through the body 51 and is clamped on the fixing groove wall 3 through the spring arm 54, so that the strength between the body 51 and the spring arm 54 is buffered.
Preferably, in combination with the above-mentioned solution, as shown in fig. 3 to 12, in this embodiment, the body 51 is provided with a fixed close-fitting point 56; the spring arm 54 is fixedly arranged on the body 51 through a fixed close-fitting point 56; a reinforcing rib 57 is arranged between the spring arm 54 and the body 51; the fixed slot wall 3 is provided with an electric brush arm supporting opening 4; the brush arm 54 is clamped on the brush arm supporting opening 4 through the reinforcing ribs 57, so that the strength between the body 51 and the spring arm 54 is further buffered, and the transmission effect between the body 51 and the spring arm 54 is improved.
Preferably, in combination with the above-described solution, as shown in fig. 3 to 13, in the present embodiment, the other end (the opposite surface of the brush housing) of the fixing groove 2 is provided with a limit groove 6; the brush arm 5 passes through the fixed slot 2 through the body 51 and is bent and clamped in the limit slot 6 at the other end of the fixed slot 2 through the limit terminal 53, so that the brush arm is prevented from being fixed by rivets, the cost is saved, and the structure is simplified; specifically, the original state of the limiting terminal 53 is a linear terminal 531, after the limiting terminal 53 passes through the fixing groove 3, the limiting terminal of the brush arm is bent by the device to form a bending terminal 532, so that the bending terminal 532 after bending is clamped in the limiting groove and supports the step surface of the fixing groove, the brush arm is ensured not to loosen in the Z-axis direction, three axial directions of the brush arm are fixed, and the fastening effect and the mounting effect of the brush arm can be ensured in percentage.
Preferably, in combination with the above-mentioned solution, as shown in fig. 3 to 13, in this embodiment, the body 51 is extended with an insertion arm 52, and a step 55 is provided between the insertion arm 52 and the body 51; the body 51 passes through the fixed slot 2 through the inserting arm 52 and is clamped in the fixed slot 2 through a step 55 between the body 52 and the inserting arm 52; specifically, plastic mounting grooves are formed around the position where the brush arm 5 is inserted into the fixing groove, and when the brush arm is mounted into the fixing groove, the fixing effect of the brush arm in the XY direction is ensured due to the fact that the structure of the fixing groove and the fixing close-fitting points on the brush arm are mutually pressed.
Preferably, in combination with the above-mentioned scheme, as shown in fig. 3 to 13, in the present embodiment, the limit terminals 53 are respectively disposed at two ends of the insertion arm 52; when the inserting arm 52 passes through the fixed groove 2, the inserting arm is bent and clamped in the limiting groove 6 at the other end of the fixed groove 2 through the limiting terminals 53 at the two ends; specifically, both ends of the insertion arm 52 are concaved inward to form limit terminals 53; the limit terminals 53 are symmetrically arranged at two ends of the insertion arm 52 respectively; and a round hole is also arranged in the middle of the inserting arm 2 so as to fix the inserting arm.
Preferably, in combination with the above-described solution, as shown in fig. 3 to 13, in the present embodiment, the fixing groove 2 includes two; the brush arm 5 includes two; the two fixing grooves 2 are respectively arranged at two sides of the electric brush shell 1; the two brush arms 5 penetrate through the fixed groove 2 and are bent and clamped in the limit groove 6 at the other end of the fixed groove 2 through the limit terminal 53, so that the installation and the fixation of the whole brush are completed.
Preferably, in combination with the above-mentioned scheme, as shown in fig. 3 to 13, in this embodiment, one end of the fixed slot wall 3 is bent to form the brush arm supporting opening 4; the brush arm supporting opening 4 is provided with an inclined surface; a reinforcing rib 57 is arranged between the spring arm 54 and the body 51; the brush arm 5 is clamped on the inclined surface of the brush arm supporting opening 4 through the reinforcing rib 57, and as a certain inclination exists between the spring arm 54 and the body 51, the arrangement of the inclined surface of the brush arm supporting opening 4 can effectively realize the connection stability between the spring arm 54 and the body 51; in this way, the spring arm 54 is assembled into the brush arm supporting opening 4 to mutually support the reinforcing ribs of the brush arm body 1, so that the elastic strength of the brush arm is ensured.
Correspondingly, in combination with the scheme, the application also provides a motor which comprises an electric brush fixing structure; the electric brush fixing structure is the direct current electric brush fixing structure, and the cost of the direct current electric brush can be effectively reduced.
By adopting the direct current brush fixing structure scheme, the brush can be quickly, reasonably and effectively fixed on the brush shell, so that the brush is mounted, and the damage risk of each part of the brush can be effectively reduced; the scheme provided by the application has the advantages of relatively compact and simple structure, convenience in installation and fixation, capability of effectively reducing the cost of the direct current brush, better stability and capability of effectively improving the conductivity of the brush, thereby improving the energy efficiency and the service life of the motor.
The above description is only a preferred embodiment of the present application, and is not intended to limit the present application in any way. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the disclosed technology. Therefore, any modification, equivalent variation and modification of the above embodiments according to the technology of the present application fall within the protection scope of the present application.
Claims (3)
1. The direct current brush fixing structure is characterized by comprising a brush shell and a brush arm; the electric brush shell is provided with a fixing groove; the fixed groove is a through groove; a limiting terminal is arranged on the brush arm; the electric brush arm passes through the fixed groove and is clamped on the fixed groove through the limit terminal; the brush arm comprises a body and a spring arm; the limit terminal is arranged on the body; the side edge of one end of the fixed groove is provided with a fixed groove wall; the end part of the fixed groove wall is provided with an electric brush arm supporting opening; the electric brush arm passes through the fixing groove through the body and is clamped on the wall of the fixing groove through the elastic arm; the body is provided with a fixed close-fitting point; the elastic arm is fixedly arranged on the body through the fixed close-fitting point; a reinforcing rib is arranged between the spring arm and the body; the fixed groove wall is provided with an electric brush arm supporting opening; the electric brush arm is clamped on the electric brush arm supporting opening through the reinforcing rib; the other end of the fixed groove is provided with a limit groove; the electric brush arm passes through the fixing groove through the body and is bent and clamped in the limiting groove through the limiting terminal; an inserting arm is arranged on the body in an extending mode, and a step is arranged between the inserting arm and the body; the body passes through the fixing groove through the inserting arm and is clamped in the fixing groove through the step; the limiting terminals are respectively arranged at two ends of the inserting arm; the inserting arm passes through the fixing groove and is bent and clamped at the other end of the fixing groove through the limit terminals at the two ends; the two ends of the inserting arm are concave inwards to form the limit terminal; the limiting terminals are symmetrically arranged at two ends of the inserting arm respectively; one end of the fixed groove wall is bent to form the electric brush arm supporting opening; the brush arm support opening is provided with an inclined plane; a reinforcing rib is arranged between the spring arm and the body; the electric brush arm is clamped on the inclined surface of the electric brush arm supporting opening through the reinforcing rib.
2. The direct current brush fixing structure according to claim 1, wherein the fixing groove includes two; the brush arm comprises two brush arms; the two fixing grooves are respectively arranged on two sides of the electric brush shell; the two brush arms penetrate through the fixing groove and are bent and clamped in the limiting groove at the other end of the fixing groove through the limiting terminal.
3. A motor includes a brush fixing structure; the brush fixing structure according to any one of claims 1 to 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811381822.3A CN109378925B (en) | 2018-11-20 | 2018-11-20 | Direct current brush fixed knot constructs and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811381822.3A CN109378925B (en) | 2018-11-20 | 2018-11-20 | Direct current brush fixed knot constructs and motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109378925A CN109378925A (en) | 2019-02-22 |
| CN109378925B true CN109378925B (en) | 2023-08-22 |
Family
ID=65389660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811381822.3A Active CN109378925B (en) | 2018-11-20 | 2018-11-20 | Direct current brush fixed knot constructs and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109378925B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112491188B (en) * | 2020-10-21 | 2022-02-08 | 东方电气集团东方电机有限公司 | Combined brush holder assembly |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000209818A (en) * | 1999-01-12 | 2000-07-28 | Asmo Co Ltd | Brush-holding structure in motor and motor |
| JP2000224815A (en) * | 1999-01-29 | 2000-08-11 | Mabuchi Motor Co Ltd | Small motor |
| US6603235B1 (en) * | 1999-11-02 | 2003-08-05 | Mabuchi Motor Co. | Small-sized motor having a brush unit with an improved brush arm and terminal connections |
| US6768243B1 (en) * | 1999-11-25 | 2004-07-27 | Mabuchi Motor Co., Ltd. | Small-size motor brush assembly with electrical noise suppression |
| CN101606305A (en) * | 2007-02-06 | 2009-12-16 | 马渊马达株式会社 | Brush device for motor |
| CN204442068U (en) * | 2015-01-07 | 2015-07-01 | 赣州金玛机械设备有限公司 | A kind of motor brush rocker structure |
| JP2018137994A (en) * | 2018-06-05 | 2018-08-30 | ミネベアミツミ株式会社 | motor |
| CN108471188A (en) * | 2018-05-30 | 2018-08-31 | 广东威灵电机制造有限公司 | Brush rigging assemblies and motor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102882303B (en) * | 2011-07-12 | 2017-10-24 | 德昌电机(深圳)有限公司 | Motor end cover component |
-
2018
- 2018-11-20 CN CN201811381822.3A patent/CN109378925B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000209818A (en) * | 1999-01-12 | 2000-07-28 | Asmo Co Ltd | Brush-holding structure in motor and motor |
| JP2000224815A (en) * | 1999-01-29 | 2000-08-11 | Mabuchi Motor Co Ltd | Small motor |
| US6603235B1 (en) * | 1999-11-02 | 2003-08-05 | Mabuchi Motor Co. | Small-sized motor having a brush unit with an improved brush arm and terminal connections |
| US6768243B1 (en) * | 1999-11-25 | 2004-07-27 | Mabuchi Motor Co., Ltd. | Small-size motor brush assembly with electrical noise suppression |
| CN101606305A (en) * | 2007-02-06 | 2009-12-16 | 马渊马达株式会社 | Brush device for motor |
| CN204442068U (en) * | 2015-01-07 | 2015-07-01 | 赣州金玛机械设备有限公司 | A kind of motor brush rocker structure |
| CN108471188A (en) * | 2018-05-30 | 2018-08-31 | 广东威灵电机制造有限公司 | Brush rigging assemblies and motor |
| JP2018137994A (en) * | 2018-06-05 | 2018-08-30 | ミネベアミツミ株式会社 | motor |
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| Publication number | Publication date |
|---|---|
| CN109378925A (en) | 2019-02-22 |
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