CN207925854U - A kind of DC motor commutator - Google Patents
A kind of DC motor commutator Download PDFInfo
- Publication number
- CN207925854U CN207925854U CN201820401376.7U CN201820401376U CN207925854U CN 207925854 U CN207925854 U CN 207925854U CN 201820401376 U CN201820401376 U CN 201820401376U CN 207925854 U CN207925854 U CN 207925854U
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- China
- Prior art keywords
- commutator
- insulating body
- copper sheet
- peripheral surface
- commutator segment
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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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Abstract
The utility model discloses a kind of DC motor commutators, including commutator segment, copper sheet and insulating body, commutator segment interval is fixed on insulating body left end peripheral surface, it is opened up between two commutator segment of arbitrary neighborhood on insulating body peripheral surface fluted, copper sheet is located on insulating body right end peripheral surface, and copper sheet is located between groove described in arbitrary neighborhood two.The DC motor commutator of the utility model, after enabling to commutator welding integral, varistor is easier to be welded on commutator.
Description
Technical field
The utility model is related to a kind of electric motor technical field, more particularly to a kind of DC motor commutator.
Background technology
Commutator is the important component of direct current generator, is the component that motor can be allowed persistently to rotate down.Commutator
It act as the DC current that passes through of brush locking being converted in winding alternating current or converts the alternating electromotive force in winding
For the direct electromotive force. on brush end, commutator mainly has the specification of hook, groove profile, plane, be widely used in electric tool,
Household electrical appliance.The fields such as automobile, motorcycle.
But the structure of existing commutator, after commutator welding is integral, varistor is more difficult to be welded on commutator, drop
Low production efficiency.
Utility model content
The main purpose of the utility model is to provide a kind of DC motor commutators, enable to commutator to be welded into whole
After body, varistor is easier to be welded on commutator, can effectively solve the problems in background technology.
To achieve the above object, the technical solution that the utility model is taken is：
A kind of DC motor commutator, including commutator segment, copper sheet and insulating body, the commutator segment interval are fixed on described
It is offered between the commutator segment described in arbitrary neighborhood two on insulating body left end peripheral surface, on the insulating body peripheral surface recessed
Slot, the copper sheet are located on the insulating body right end peripheral surface, and the groove is located between copper sheet described in arbitrary neighborhood two.
Preferably, the insulating body left end has extended outward to form cyclic annular first boss.
Preferably, the insulating body right end has extended outward to form cyclic annular second boss.
Preferably, the insulating body peripheral surface has the first mounting portion being sequentially distributed from left to right and the second installation
Portion, the commutator segment interval are fixed on first mounting portion, and the copper sheet is located on second mounting portion.
Preferably, the DC motor commutator of the utility model further includes helping layer, described that layer is helped to be located at the commutation
In on piece and first mounting portion.
Preferably, the commutator segment thickness is less than the copper thickness.
Preferably, the commutator segment thickness is 0.4mm, and the copper thickness is 0.5mm.
Compared with prior art, an insulating body left side is fixed at the commutator segment interval of the DC motor commutator of the utility model
It holds on peripheral surface, opens up between two commutator segment of arbitrary neighborhood fluted on insulating body peripheral surface, copper sheet is located at insulating body
On right end peripheral surface, copper sheet is located between two groove of arbitrary neighborhood.Wherein, insulating body left end periphery is fixed at commutator segment interval
On face, when commutator operates, brush can be realized preferably to abut with commutator segment, furthermore, copper sheet is located at insulating body right end
On peripheral surface, groove is located between two copper sheet of arbitrary neighborhood so that the shape outside insulating body is ladder-like, realizes commutator segment
Outer diameter smaller after fixation realizes that varistor is easier to be welded on commutator.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model DC motor commutator.
Fig. 2 is another angle overall structure diagram of entirety of the utility model DC motor commutator.
Fig. 3 is the side view of the utility model DC motor commutator.
Specific implementation mode
To make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, below
In conjunction with specific implementation mode, the utility model is expanded on further.
Please refer to Fig.1 to Fig.3, the DC motor commutator 100 of the utility model, including commutator segment 10, copper sheet 20 and absolutely
Edge ontology 30, the interval of commutator segment 10 is fixed on 30 left end peripheral surface of insulating body, in arbitrary phase on 30 peripheral surface of insulating body
Fluted 31 are opened up between adjacent two commutator segments 10, copper sheet 20 is located on 30 right end peripheral surface of insulating body, and groove 31 is located at arbitrary
Between adjacent two copper sheet 20.Wherein, the interval of commutator segment 10 is fixed on 30 left end peripheral surface of insulating body, is operated in commutator
When, brush can be realized preferably to abut with commutator segment 10, furthermore, copper sheet 20 is located on 30 right end peripheral surface of insulating body, recessed
Slot 31 is located between two copper sheet 20 of arbitrary neighborhood so that the shape outside insulating body 30 is ladder-like, realizes that commutator segment 10 is solid
Outer diameter smaller after fixed realizes that varistor is easier to be welded on commutator.In the present embodiment, commutator segment 10 welds at equal intervals
In on the left end peripheral surface of insulating body 30, the position that copper sheet 20 corresponds to commutator segment 10 is fixed on outside 30 right end of insulating body
On circumferential surface, and copper sheet 20 fits in the side of adjacent grooves 31 along the both sides of commutator length direction.So that structure is more reasonable
Compact, certainly, the position of gap size and copper sheet 20 setting of commutator segment 10 is not limited thereto, therefore details are not described herein.Tool
Body, it is as follows：
Selectable, 30 left end of insulating body has extended outward to form cyclic annular first boss 32.It is easy coiling so that insulation
30 left end of ontology insulate, and structure is more reasonable.
Referring to Fig. 2,30 right end of insulating body has extended outward to form cyclic annular second boss 33.The use of meson can be reduced
Amount, to cost-effective, raising production efficiency.
Please continue to refer to Fig. 1 and Fig. 3,30 peripheral surface of insulating body has the first mounting portion 34 being sequentially distributed from left to right
And second mounting portion (being not marked in figure), the interval of commutator segment 10 are fixed on the first mounting portion 34, copper sheet 20 is located at the second installation
In portion.The first mounting portion 34 and the second mounting portion being sequentially distributed from left to right by insulating body 30, that is, pass through different installations
The distribution in portion so that commutator segment 10 and copper sheet 20 are preferably fixed on insulating body 30.
Compared with the superior, the DC motor commutator 100 of the utility model further includes helping layer (being not marked in figure), and layer is helped to set
On commutator segment 10 and on the first mounting portion 34.So that commutator segment 10 is easier to be welded on the first mounting portion 34, but also pressure
Quick resistance is easier to be welded on insulating body 30, further increases production efficiency.
Referring to Fig. 3,10 thickness of commutator segment is less than 20 thickness of copper sheet.Realize commutator segment 10 fix after outer diameter smaller, more into
One step makes varistor be easier to be welded on insulating body 30, further increases production efficiency.
Selectable, 10 thickness of commutator segment is 0.4mm, and 20 thickness of copper sheet is 0.5mm.Structure is more reasonable compact, certainly,
In other implementations, 10 thickness of commutator segment and 20 thickness of copper sheet can specific use demand and flexibly select, therefore herein not
It repeats one by one again.
Compared with prior art, insulation is fixed at the interval of commutator segment 10 of the DC motor commutator 100 of the utility model
On 30 left end peripheral surface of ontology, fluted 31 are opened up between two commutator segment 10 of arbitrary neighborhood on 30 peripheral surface of insulating body, copper
Piece 20 is located on 30 right end peripheral surface of insulating body, and copper sheet 20 is located between two groove 31 of arbitrary neighborhood.Wherein, between commutator segment 10
Every being fixed on 30 left end peripheral surface of insulating body, when commutator operates, brush can be realized preferably to be supported with commutator segment 10
It connects, furthermore, copper sheet 20 is located on 30 right end peripheral surface of insulating body, and copper sheet 20 is located between two groove 31 of arbitrary neighborhood so that
Shape outside insulating body 30 is ladder-like, realizes outer diameter smaller after the fixation of commutator segment 10, realizes that varistor is easier to weld
It is connected on commutator.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (7)
1. a kind of DC motor commutator, which is characterized in that including commutator segment, copper sheet and insulating body, the commutator segment interval
It is fixed on the insulating body left end peripheral surface, on the insulating body peripheral surface between the commutator segment described in arbitrary neighborhood two
Open up fluted, the copper sheet is located on the insulating body right end peripheral surface, and the groove is located at copper described in arbitrary neighborhood two
Between piece.
2. DC motor commutator according to claim 1, which is characterized in that the insulating body left end extends outwardly shape
At there is cyclic annular first boss.
3. DC motor commutator according to claim 1, which is characterized in that the insulating body right end extends outwardly shape
At there is cyclic annular second boss.
4. DC motor commutator according to claim 1, which is characterized in that the insulating body peripheral surface has by a left side
The first mounting portion and the second mounting portion being sequentially distributed to the right side, the commutator segment interval are fixed on first mounting portion, institute
Copper sheet is stated to be located on second mounting portion.
5. DC motor commutator according to claim 4, which is characterized in that further include helping layer, it is described that layer is helped to set
On the commutator segment and on first mounting portion.
6. DC motor commutator according to claim 1, which is characterized in that the commutator segment thickness is less than the copper sheet
Thickness.
7. DC motor commutator according to claim 6, which is characterized in that the commutator segment thickness is 0.4mm, described
Copper thickness is 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820401376.7U CN207925854U (en) | 2018-03-22 | 2018-03-22 | A kind of DC motor commutator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820401376.7U CN207925854U (en) | 2018-03-22 | 2018-03-22 | A kind of DC motor commutator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207925854U true CN207925854U (en) | 2018-09-28 |
Family
ID=63596688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820401376.7U Active CN207925854U (en) | 2018-03-22 | 2018-03-22 | A kind of DC motor commutator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207925854U (en) |
-
2018
- 2018-03-22 CN CN201820401376.7U patent/CN207925854U/en active Active
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| GR01 | Patent grant |