CN113067225A - Carbon brush holder and carbon brush subassembly convenient to assembly - Google Patents
Carbon brush holder and carbon brush subassembly convenient to assembly Download PDFInfo
- Publication number
- CN113067225A CN113067225A CN202110309443.9A CN202110309443A CN113067225A CN 113067225 A CN113067225 A CN 113067225A CN 202110309443 A CN202110309443 A CN 202110309443A CN 113067225 A CN113067225 A CN 113067225A
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- CN
- China
- Prior art keywords
- carbon brush
- brush holder
- groove
- monomer
- holder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/18—Contacts for co-operation with commutator or slip-ring, e.g. contact brush
- H01R39/26—Solid sliding contacts, e.g. carbon brush
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/38—Brush holders
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Current Collectors (AREA)
Abstract
The invention discloses a carbon brush holder and a carbon brush assembly convenient to assemble, wherein the carbon brush holder comprises a first carbon brush holder monomer, a second carbon brush holder monomer and a fixing mechanism, which are detachably matched, a first carbon brush groove is formed in the first carbon brush holder monomer, a second carbon brush groove is formed in the second carbon brush holder monomer, a first connecting groove is formed in the side wall of the first carbon brush groove, a second connecting groove is formed in the side wall of the second carbon brush groove, and a limiting part is arranged in the second connecting groove. When the first carbon brush frame monomer and the second carbon brush frame monomer are matched and fixed, the first carbon brush groove and the second carbon brush groove are communicated and matched to form an integral carbon brush groove, and the first communicating groove and the second communicating groove are communicated and matched to form an integral communicating groove. The carbon brush holder and the carbon brush assembly convenient to assemble can movably limit the carbon brush body in the carbon brush groove, so that the carbon brush body is prevented from being pushed out of the carbon brush groove by the elastic piece, the carbon brush assembly can be assembled as a whole, and the assembly efficiency can be greatly improved.
Description
Technical Field
The invention relates to the field of motors, in particular to a carbon brush holder and a carbon brush assembly convenient to assemble.
Background
The application of brush motors has become quite common, such as direct current motors, universal motors and the like. The carbon brush holder is typically used to mount carbon brushes in carbon brush slots therein and to guide the carbon brushes into contact with the commutator to transfer current from the carbon brushes to the commutator. Springs are also typically provided within the carbon brush holder to provide a spring force to the carbon brushes to ensure adequate contact between the carbon brushes and the commutator.
There is certain drawback in current carbon brush frame assembly use, if in conventional installation, need place the elastic component in the carbon brush inslot earlier, again with the hand with the carbon brush body press on the elastic component and press into the carbon brush inslot, then install the carbon brush frame on the commutator. Due to the elastic force of the elastic piece, in the installation process, the situation that the installation fails due to the fact that the elastic piece supports the carbon brush body out of the carbon brush groove needs to be avoided, and therefore the installation process is very inconvenient and the efficiency is very low.
Disclosure of Invention
The invention aims to provide a carbon brush holder convenient to assemble, which is convenient for installing a carbon brush body and an elastic piece into the carbon brush holder.
In order to achieve the purpose, the invention adopts the technical scheme that: a carbon brush holder convenient for assembly comprises a first carbon brush holder monomer and a second carbon brush holder monomer which are detachably matched, and a fixing mechanism for fixing the first carbon brush holder monomer and the second carbon brush holder monomer, the first carbon brush holder monomer is provided with a first carbon brush groove, the second carbon brush holder monomer is provided with a second carbon brush groove, when the first carbon brush holder monomer is matched and fixed with the second carbon brush holder monomer, the first carbon brush groove and the second carbon brush groove are communicated and matched to form an integral carbon brush groove, a first communicating groove communicated with the outside is arranged on the side wall of the first carbon brush groove, a second communicating groove communicated with the outside is arranged on the side wall of the second carbon brush groove, and a limiting part is arranged in the second communicating groove, and when the first carbon brush holder monomer is matched and fixed with the second carbon brush holder monomer, the first communicating groove and the second communicating groove are matched and communicated to form an integral communicating groove.
Preferably, the fixing mechanism comprises a plurality of fixing columns arranged on one matching surface of the first carbon brush holder monomer and the second carbon brush holder monomer, and a plurality of fixing holes in interference fit with the fixing columns are formed in the other matching surface.
Further, the cross section of the fixing column becomes larger gradually from the top to the matching surface.
Still further, the cross section of the fixed column is circular.
Preferably, the first carbon brush holder single body is provided with a first assembling hole.
Furthermore, a second assembling hole is formed in the second carbon brush holder single body.
Preferably, the first carbon brush holder single body is provided with a binding post mounting hole.
Preferably, the number of the first carbon brush grooves is 4, and the number of the second carbon brush grooves is 4.
It is another object of the present invention to provide a carbon brush assembly having the above carbon brush holder which is easy to assemble.
The utility model provides a carbon brush subassembly convenient to assembly, includes as above carbon brush holder, slide locate first carbon brush inslot carbon brush body with second carbon brush inslot, with carbon brush body fixed connection's wire, both ends respectively with the inconsistent elastic component of first carbon brush tank bottom and carbon brush body, during the assembly, the wire passes first intercommunication groove or second intercommunication groove extend to the outside, spacing portion is right the wire forms spacingly.
Preferably, the elastic member is a spring.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the carbon brush holder convenient to assemble can movably limit the carbon brush body in the carbon brush groove, so that the carbon brush body is prevented from being pushed out of the carbon brush groove by the elastic piece, a carbon brush assembly can be assembled as a whole, and the assembly efficiency is greatly improved. Simultaneously, in the production process, can also assemble carbon brush holder and carbon brush body in advance, store in a warehouse as an integral part and deposit, when assembling the finished product motor, directly assemble, can very big production efficiency, reduction in production cost.
Drawings
FIG. 1 is a schematic perspective view of a carbon brush holder of the present invention that is easy to assemble;
FIG. 2 is a schematic exploded view of a carbon brush holder of the present invention, which is easy to assemble;
FIG. 3 is a perspective view of a first carbon brush holder monomer of the carbon brush holder of the present invention for ease of assembly;
FIG. 4 is a perspective view of a second carbon brush holder monomer of the carbon brush holder of the present invention for ease of assembly;
FIG. 5 is a schematic perspective view of a carbon brush assembly according to the present invention;
wherein: 1. a carbon brush holder; 2. a first carbon brush holder unit; 3. a second carbon brush holder unit; 4. a fixing mechanism; 41. fixing a column; 42. a fixing hole; 5. a first carbon brush tank; 6. a second carbon brush tank; 7. a first connecting groove; 8. a second communicating groove; 9. a limiting part; 10. a first assembly hole; 11. a second assembly hole; 12. a binding post mounting hole; 13. a carbon brush body; 14. a wire; 15. an elastic member.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1 to 4, a carbon brush holder convenient to assemble, the carbon brush holder 1 comprises a first carbon brush holder monomer 2 and a second carbon brush holder monomer 3 which are detachably matched, and a fixing mechanism 4 for fixing the first carbon brush holder monomer 2 and the second carbon brush holder monomer 3, wherein a first carbon brush groove 5 is formed in the first carbon brush holder monomer 2, and a second carbon brush groove 6 is formed in the second carbon brush holder monomer 3. When the first carbon brush holder single body 2 and the second carbon brush holder single body 3 are matched and fixed, the first carbon brush groove 5 and the second carbon brush groove 6 are communicated and matched to form an integral carbon brush groove.
The lateral wall of the first carbon brush groove 5 is provided with a first communicating groove 7 communicated with the outside, the lateral wall of the second carbon brush groove 6 is provided with a second communicating groove 8 communicated with the outside, a limiting part 9 is arranged in the second communicating groove 8, and when the first carbon brush holder monomer 2 and the second carbon brush holder monomer 3 are matched and fixed, the first communicating groove 7 and the second communicating groove 8 are matched and communicated to form an integral communicating groove.
In this embodiment, as shown in fig. 2 to 4, the fixing mechanism 4 includes a plurality of fixing posts 41 disposed on one of the matching surfaces of the first carbon brush holder unit 2 and the second carbon brush holder unit 3, and a plurality of fixing holes 42 in interference fit with the fixing posts are disposed on the other matching surface. When the first carbon brush holder single body 2 and the second carbon brush holder single body 3 are matched and fixed, the plurality of fixing columns 41 are respectively inserted into the fixing holes 42, and the first carbon brush holder single body 2 and the second carbon brush holder single body 3 are fixed by utilizing the characteristics of interference fit. Preferably, the fixing holes 42 are provided on the mating surface of the first carbon brush holder unit 2, and the fixing holes 42 are opened on the mating surface of the second carbon brush holder unit 3.
In order to fix the first carbon brush holder single body 2 and the second carbon brush holder single body 3 conveniently, the cross section of the fixing column 41 is gradually enlarged from the top to the matching surface; preferably, the fixing post 41 has a circular cross-section.
In this embodiment, the first carbon brush holder single body 2 is provided with a first assembling hole 10, and the second carbon brush holder single body 3 is provided with a second assembling hole 11. When the first carbon brush holder single body 2 and the second carbon brush holder single body 3 are matched and fixed, the first assembling hole 10 and the second assembling hole 11 are communicated to form a through hole, so that the first carbon brush holder single body 2 and the second carbon brush holder single body 3 are fixed on a part to be installed. The first and second fitting holes 10 and 11 are each provided with two, preferably two, symmetrical arrangements.
The first carbon brush holder single body 2 is provided with two terminal mounting holes 12, preferably, the terminal mounting holes 12 are symmetrically arranged, and the two terminal mounting holes 12 are symmetrically arranged.
The first carbon brush groove 5 is provided with 4, and the second carbon brush groove 6 is provided with 4. When the first carbon brush holder single body 2 and the second carbon brush holder single body 3 are matched and fixed, the first carbon brush groove 5 and the second carbon brush groove 6 are matched and communicated with each other two by two.
Preferably, 4 first carbon brush grooves 5 are evenly distributed along the circumference of the first carbon brush holder single body 2 at intervals, the first assembling holes 10 are arranged between two adjacent first carbon brush grooves 5, and the terminal mounting holes 12 are arranged between two other adjacent first carbon brush grooves 5. 4 second carbon brush grooves 6 are evenly distributed along 3 circumference intervals of second carbon brush frame monomer, and second pilot hole 11 sets up between two adjacent second carbon brush grooves 6.
As shown in fig. 5, the embodiment further provides a carbon brush assembly convenient to assemble, where the carbon brush assembly includes the carbon brush holder 1, the carbon brush body 13 slidably disposed in the first carbon brush groove 5 and the second carbon brush groove 6, the wire 14 fixedly connected to the carbon brush body 13, and the elastic member 15 having two ends respectively abutting against the bottom of the first carbon brush groove 5 and the carbon brush body 13. When assembled, the lead wire 14 extends to the outside through the first communicating groove 7 or the second communicating groove 8. The limiting portion 9 limits the lead 14, and can limit the lead 14 from sliding out of the second communication groove 8, and further limit the carbon brush body 13 from sliding out of the second carbon brush groove 6. Preferably, the elastic member 15 is a spring.
On above-mentioned basis, carbon brush subassembly can also be including the motor back lid (not shown in the drawing) of seting up the through-hole, fixes carbon brush holder 1 in the motor back lid through the bolt with first pilot hole 10 and second pilot hole 11 matched with, connects terminal (not shown in the drawing) on the wire 14, and the through-hole that the terminal passed on the motor back lid extends the outside, and when later stage used, the terminal was connected with the power cord.
During assembly, firstly, the carbon brush bodies 13 fixedly connected with the wires 14 are respectively placed into the second carbon brush grooves 6 of the second carbon brush holder single body 3, and the wires 14 penetrate through the second communicating grooves 8 and extend to the outside; then put into a plurality of first carbon brush grooves 5 of first carbon brush frame monomer 2 respectively with a plurality of elastic component 15, rethread fixed establishment 4 cooperatees first carbon brush frame monomer 2 and second carbon brush frame monomer 3 fixedly, with carbon brush body 13 and elastic component 15 restriction in first carbon brush groove 5 or second carbon brush groove 6, carbon brush body 13 tends to roll-off second carbon brush groove 6 under the effect of elastic component 15, but because spacing 9 forms limiting displacement to wire 14, spacing 9 can restrict wire 14 and follow the roll-off in the second intercommunication groove 8, and then restrict carbon brush body 13 and follow the roll-off in the second carbon brush groove 6. Then the carbon brush holder 1 is fixed in the rear cover of the motor, and the binding post penetrates through the rear cover of the motor to extend to the outside.
In summary, the carbon brush holder and the carbon brush assembly convenient to assemble of the invention can movably limit the carbon brush body in the carbon brush groove, so as to avoid the situation that the elastic piece pushes the carbon brush body out of the carbon brush groove, so that the carbon brush assembly can be assembled as a whole, and the assembly efficiency can be greatly improved. Simultaneously, in the production assembling process, can also be as an integral part the carbon brush frame with the carbon brush body assemble in advance, store in a warehouse and deposit, when assembling the finished product motor, directly use integral part to assemble, can very big production efficiency, reduction in production cost. Further, after the carbon brush holder and the carbon brush body are assembled in advance, a manipulator can be used for assembling a finished motor, and the production efficiency is further improved.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a carbon brush holder convenient to assembly which characterized in that: the carbon brush holder comprises a first carbon brush holder monomer and a second carbon brush holder monomer which are detachably matched, and a fixing mechanism for fixing the first carbon brush holder monomer and the second carbon brush holder monomer, wherein a first carbon brush groove is formed in the first carbon brush holder monomer, a second carbon brush groove is formed in the second carbon brush holder monomer, and when the first carbon brush holder monomer and the second carbon brush holder monomer are matched and fixed, the first carbon brush groove and the second carbon brush groove are communicated and matched to form an integral carbon brush groove,
the side wall of the first carbon brush groove is provided with a first communicating groove communicated with the outside, the side wall of the second carbon brush groove is provided with a second communicating groove communicated with the outside, a limiting part is arranged in the second communicating groove, and when the first carbon brush holder monomer and the second carbon brush holder monomer are matched and fixed, the first communicating groove and the second communicating groove are matched and communicated to form an integral communicating groove.
2. A carbon brush holder for facilitating assembly according to claim 1, wherein: the fixing mechanism comprises a plurality of fixing columns arranged on one of the matching surfaces of the first carbon brush holder monomer and the second carbon brush holder monomer, and a plurality of fixing holes in interference fit with the fixing columns are formed in the other matching surface.
3. A carbon brush holder for facilitating assembly according to claim 2, wherein: the cross section of the fixing column is gradually enlarged from the top to the matching surface.
4. A carbon brush holder for facilitating assembly according to claim 3, wherein: the cross section of the fixing column is circular.
5. A carbon brush holder for facilitating assembly according to claim 1, wherein: a first assembling hole is formed in the first carbon brush holder single body.
6. A carbon brush holder for facilitating assembly according to claim 5, wherein: and a second assembling hole is formed in the second carbon brush holder monomer.
7. A carbon brush holder for facilitating assembly according to claim 1, wherein: and the first carbon brush holder monomer is provided with a binding post mounting hole.
8. A carbon brush holder for facilitating assembly according to claim 1, wherein: the first carbon brush groove is provided with 4, and the second carbon brush groove is provided with 4.
9. The utility model provides a carbon brush subassembly convenient to assembly which characterized in that: the carbon brush holder according to any one of claims 1 to 8, the carbon brush body slidably disposed in the first carbon brush groove and the second carbon brush groove, the lead fixedly connected to the carbon brush body, and the elastic member having two ends respectively abutting against the bottom of the first carbon brush groove and the carbon brush body, wherein when the carbon brush holder is assembled, the lead passes through the first connecting groove or the second connecting groove and extends to the outside, and the limiting portion limits the lead.
10. A carbon brush holder for facilitating assembly according to claim 9, wherein: the elastic piece is a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110309443.9A CN113067225A (en) | 2021-03-23 | 2021-03-23 | Carbon brush holder and carbon brush subassembly convenient to assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110309443.9A CN113067225A (en) | 2021-03-23 | 2021-03-23 | Carbon brush holder and carbon brush subassembly convenient to assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113067225A true CN113067225A (en) | 2021-07-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110309443.9A Withdrawn CN113067225A (en) | 2021-03-23 | 2021-03-23 | Carbon brush holder and carbon brush subassembly convenient to assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113067225A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003289651A (en) * | 2002-03-28 | 2003-10-10 | Mitsuba Corp | Brush holder fixing structure for motor |
| CN2935551Y (en) * | 2006-07-28 | 2007-08-15 | 许晓华 | Wire-protected clamp structure of DC motor |
| CN203243159U (en) * | 2013-05-08 | 2013-10-16 | 宁波奥云德电器有限公司 | Brush holder assembly |
| CN205029471U (en) * | 2015-10-10 | 2016-02-10 | 重庆西田科技有限公司 | Brush carrier subassembly |
| CN209994197U (en) * | 2019-08-06 | 2020-01-24 | 宁波奥云德电器有限公司 | High-performance starter brush yoke assembly |
| CN111864959A (en) * | 2020-07-21 | 2020-10-30 | 宁波强生电机有限公司 | Rear cover structure of diaphragm pump motor |
| CN212137425U (en) * | 2020-07-02 | 2020-12-11 | 深圳市创佳兴电子有限公司 | Compact motor |
-
2021
- 2021-03-23 CN CN202110309443.9A patent/CN113067225A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003289651A (en) * | 2002-03-28 | 2003-10-10 | Mitsuba Corp | Brush holder fixing structure for motor |
| CN2935551Y (en) * | 2006-07-28 | 2007-08-15 | 许晓华 | Wire-protected clamp structure of DC motor |
| CN203243159U (en) * | 2013-05-08 | 2013-10-16 | 宁波奥云德电器有限公司 | Brush holder assembly |
| CN205029471U (en) * | 2015-10-10 | 2016-02-10 | 重庆西田科技有限公司 | Brush carrier subassembly |
| CN209994197U (en) * | 2019-08-06 | 2020-01-24 | 宁波奥云德电器有限公司 | High-performance starter brush yoke assembly |
| CN212137425U (en) * | 2020-07-02 | 2020-12-11 | 深圳市创佳兴电子有限公司 | Compact motor |
| CN111864959A (en) * | 2020-07-21 | 2020-10-30 | 宁波强生电机有限公司 | Rear cover structure of diaphragm pump motor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210702 |