CN207150383U - A kind of speed-regulating switch structure of direct current generator - Google Patents
A kind of speed-regulating switch structure of direct current generator Download PDFInfo
- Publication number
- CN207150383U CN207150383U CN201721121936.5U CN201721121936U CN207150383U CN 207150383 U CN207150383 U CN 207150383U CN 201721121936 U CN201721121936 U CN 201721121936U CN 207150383 U CN207150383 U CN 207150383U
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- China
- Prior art keywords
- direct current
- current generator
- support arm
- mentioned
- bearing chamber
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Abstract
The utility model discloses a kind of speed-regulating switch structure of direct current generator, including motor rear cover, the centre of the motor rear cover is provided with the bearing chamber of evagination, and the bearing chamber is in cylinder；Also include the switch housing being fixedly connected with above-mentioned motor rear cover edge, the rotating ring being sleeved on outside above-mentioned bearing chamber is provided with the switch housing, the outer peripheral face of the rotating ring is provided with two support arms, and each support arm is provided with moving contact, action bars is additionally provided with the rotating ring；By stirring action bars, rotating ring is rotated around bearing chamber and drive two support arm motions, and the input of direct current generator is contacted with the moving contact in corresponding support arm and access power supply, so as to realize the rotational speed regulation of direct current generator.A kind of speed-regulating switch structure of direct current generator of the utility model, its is rational in infrastructure, and speed-regulating switch can be directly installed on direct current generator, not only reduces production cost, and reduce assembly difficulty.
Description
Technical field
It the utility model is related to a kind of speed-regulating switch structure of direct current generator.
Background technology
At present, direct current generator is needed to be run with different rotating speeds in many electric tools, for not needing stepless time adjustment
Direct current generator can use mechanical switch carry out step speed regulation.The rotational speed regulation of direct current generator is usually logical in the prior art
The speed-regulating switch crossed on the complete machine casing realizes that the speed-regulating switch of this structure not only increases being produced into for complete system plant
This, and assembly difficulty is higher.
Utility model content
The purpose of this utility model is the speed-regulating switch structure for providing a kind of direct current generator, and its is rational in infrastructure, will can adjust
Speed switch is directly installed on direct current generator, not only reduces production cost, and reduce assembly difficulty.
To achieve the above object, the technical solution of the utility model is to design a kind of speed-regulating switch structure of direct current generator,
Including motor rear cover, the centre of the motor rear cover is provided with the bearing chamber of evagination, and the bearing chamber is in cylindrical, after the motor
Cover provided with the first input fixed touching plate on the outside of bearing chamber and the second input fixed touching plate；Also include and above-mentioned motor rear cover side
The switch housing that edge is fixedly connected, the switch housing is interior to be provided with the rotating ring being sleeved on outside above-mentioned bearing chamber, the rotating ring
Outer peripheral face is provided with first support arm and second support arm positioned at the above-mentioned first input fixed touching plate both sides, the first support arm and second
It is respectively equipped with arm towards the first moving contact for inputting fixed touching plate；Also include the first power supply and second source, wherein second source
Positive pole connect the negative pole of the first power supply, the negative pole of above-mentioned second input fixed touching plate connection second source, in above-mentioned first support arm
Moving contact connect the positive pole of the first power supply, the positive pole of the moving contact connection second source in second support arm；Above-mentioned switch housing
Side wall be provided with slide guide breach, be additionally provided with action bars on above-mentioned rotating ring outer peripheral face, the action bars runs through the slide guide breach
And extend to the outside of switch housing.In such scheme, switch housing is directly installed on the motor rear cover of direct current generator, is led to
The action bars crossed in toggle switch shell inward turning change, rotating ring is rotated around bearing chamber and drive two support arm motions, and
The first input fixed touching plate is set to be contacted with the moving contact in corresponding support arm, so as to realize the rotational speed regulation of direct current generator.By using
Such scheme, speed-regulating switch can be directly installed on direct current generator, not only reduce production cost, and reduce assembly difficulty.
Preferably, the action bars is provided with operation handle.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and can not limit protection model of the present utility model with this
Enclose.
The utility model specific implementation technical scheme be：
As shown in figure 1, a kind of speed-regulating switch structure of direct current generator, including motor rear cover 1, the center of the motor rear cover 1
Position is provided with the bearing chamber 2 of evagination, and in cylinder, the motor rear cover 1 is provided with positioned at the outside of bearing chamber 2 bearing chamber 2
First input fixed touching plate 3 and second inputs fixed touching plate 4；Also include the switch housing being fixedly connected with the above-mentioned edge of motor rear cover 1
5, the switch housing 5 is interior to be provided with the rotating ring 6 being sleeved on outside above-mentioned bearing chamber 2, and the outer peripheral face of the rotating ring 6, which is provided with, to be located at
Above-mentioned first inputs the first support arm 7 and second support arm 8 of the both sides of fixed touching plate 3, is set respectively in the first support arm 7 and second support arm 8
Have towards the first moving contact 9 for inputting fixed touching plate 3；Also include the first power supply and second source, the wherein positive pole of second source connects
Connect the negative pole of the first power supply, above-mentioned second input fixed touching plate 4 connects the negative pole of second source, and dynamic in above-mentioned first support arm 7 touches
The positive pole of the first power supply of first 9 connection, the moving contact 9 in second support arm 8 connect the positive pole of second source；Above-mentioned switch housing 5
Side wall is provided with slide guide breach, is additionally provided with action bars 10 on the above-mentioned outer peripheral face of rotating ring 6, the action bars 10 lacks through the slide guide
Mouthful and extend to the outside of switch housing 5.In such scheme, switch housing 5 is directly installed on the motor rear cover 1 of direct current generator
On, by the action bars 10 in the inward turning change 6 of toggle switch shell 5, rotating ring 6 is rotated around bearing chamber 2 and drive first
Support arm 7 and second support arm 8 are moved, and the first input fixed touching plate 3 is contacted with the moving contact 9 in corresponding support arm, straight so as to realize
Flow the rotational speed regulation of motor.When action bars 10 is located at the centre position of slide guide breach, in first support arm 7 and second support arm 8
Moving contact 9 does not contact with the first input fixed touching plate 3, now direct current generator no power；Action bars 10 is stirred downwards, makes first
Moving contact 9 on arm 7 contacts with the first input fixed touching plate 3, and now the first input fixed touching plate 3 and second inputs fixed touching plate 4 simultaneously
The first power supply and second source are accessed, then direct current generator runs at high speed；Action bars 10 is dialed up, is made dynamic in second support arm 8
Contact 9 contacts with the first input fixed touching plate 3, and now the first input fixed touching plate 3 and second inputs fixed touching plate 4 and only accesses the second electricity
Source, then direct current generator low-speed running.
In addition, for ease of stirring aforesaid operations bar 10, operation handle 11 is set on action bars 10.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvements and modifications can also be made, these change
Enter and retouch and also should be regarded as the scope of protection of the utility model.
Claims (2)
1. the speed-regulating switch structure of a kind of direct current generator, it is characterised in that including motor rear cover, the centre of the motor rear cover
Bearing chamber provided with evagination, for the bearing chamber in cylinder, the motor rear cover is provided with the first input on the outside of bearing chamber
Fixed touching plate and the second input fixed touching plate；Also include the switch housing being fixedly connected with above-mentioned motor rear cover edge, the switch housing
Interior to be provided with the rotating ring being sleeved on outside above-mentioned bearing chamber, the outer peripheral face of the rotating ring is provided with to be touched calmly positioned at the above-mentioned first input
The first support arm and second support arm of piece both sides, it is respectively equipped with the first support arm and second support arm towards first and inputs fixed touching plate
Moving contact；Also including the first power supply and second source, the wherein positive pole of second source connects the negative pole of the first power supply, and above-mentioned second
The negative pole of fixed touching plate connection second source is inputted, the moving contact in above-mentioned first support arm connects the positive pole of the first power supply, second
The positive pole of moving contact connection second source on arm；The side wall of above-mentioned switch housing is provided with slide guide breach, outside above-mentioned rotating ring
Action bars is additionally provided with side face, the action bars is through the slide guide breach and extends to the outside of switch housing.
2. the speed-regulating switch structure of direct current generator according to claim 1, it is characterised in that the action bars is provided with behaviour
Make handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721121936.5U CN207150383U (en) | 2017-09-04 | 2017-09-04 | A kind of speed-regulating switch structure of direct current generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721121936.5U CN207150383U (en) | 2017-09-04 | 2017-09-04 | A kind of speed-regulating switch structure of direct current generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207150383U true CN207150383U (en) | 2018-03-27 |
Family
ID=61677126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721121936.5U Active CN207150383U (en) | 2017-09-04 | 2017-09-04 | A kind of speed-regulating switch structure of direct current generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207150383U (en) |
-
2017
- 2017-09-04 CN CN201721121936.5U patent/CN207150383U/en active Active
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