CN205177251U - Hand -cranking generator teaching aid - Google Patents
Hand -cranking generator teaching aid Download PDFInfo
- Publication number
- CN205177251U CN205177251U CN201520953089.3U CN201520953089U CN205177251U CN 205177251 U CN205177251 U CN 205177251U CN 201520953089 U CN201520953089 U CN 201520953089U CN 205177251 U CN205177251 U CN 205177251U
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- China
- Prior art keywords
- rotating shaft
- threaded rod
- output device
- hand
- teaching aid
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- Expired - Fee Related
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Abstract
The utility model discloses a hand -cranking generator teaching aid, including base, power generation motor and two mounting brackets, the mounting bracket setting is on the base, two mounting brackets are equipped with drive sprocket group and driven sprocket group respectively, are equipped with the chain between drive sprocket group and the driven sprocket group, be equipped with scalable drive handle in the drive sprocket group, the driven sprocket group link has two output device, be equipped with a heat structure in two output device, two outputs of two output device all are connected with power generation motor, the last bulb that is connected with of power generation motor. The utility model discloses the study enthusiasm that can promote teaching effects and improve the student.
Description
Technical field
The utility model relates to technical field of generators, in particular to a kind of hand-operated electric generator teaching aid.
Background technology
Generator is the generating set that generating is commonly used, and general generator comprises rotor and stator, and the rotor be generally made up of magnet is positioned at described stator interior, and when generating electricity, rotor rotates in stator interior, and then generation current.
At present when imparting knowledge to students, in order to make student better understand electricity generating principle, usually need hand-operated electric generator on-the-spot teaching.There is following problem in existing hand-operated electric generator teaching aid: 1. owing to adopting belt gear, and existing hand-operated electric generator teaching aid occurs that belt loosens in use for some time, and transmission effect sharply declines, and cannot ensure the effect that generates electricity.2. existing hand-operated electric generator teaching aid function singleness, little by the axis of rotation velocity variations of small generator after belt gear, the generating efficiency of small generator under different rotating speeds cannot be embodied.
Utility model content
The purpose of this utility model is to provide a kind of hand-operated electric generator teaching aid, to solve the deficiencies in the prior art.
For realizing the utility model object, the technical scheme of employing is:
A kind of hand-operated electric generator teaching aid, comprise base, electric power generating motor and two erecting frames, erecting frame is arranged on base, it is characterized in that: described two erecting frames are respectively equipped with drive sprocket set and driven chain wheels, are provided with chain between drive sprocket set and driven chain wheels; Described drive sprocket set is provided with scalable driving handle; Described driven chain wheels are connected with dual-output device; Fan heat structure is provided with in described dual-output device; Two output terminals of described dual-output device are all connected with electric power generating motor, and electric power generating motor is connected with bulb.
Further, described scalable driving handle comprises the dwang be connected with the rotating shaft of drive sprocket set, dwang vertical direction is rotatably provided with the first threaded rod, first threaded rod is arranged with the cylinder with its threaded engagement, in cylinder, the other end is provided with the second threaded rod with its threaded engagement, and the second threaded rod is contrary with the first threaded rod thread rotary orientation; Described second threaded rod is connected with handlebar.
Further, described dual-output device comprises housing, the first active gear wheel is provided with in housing, first active gear wheel is provided with the first driven pinion be mated, the rotating shaft of the first driven pinion is connected with housing, the rotating shaft of the first driven pinion is provided with the second active gear wheel, and the both sides of the second active gear wheel are equipped with the second driven pinion, and the rotating shaft of two the second driven pinion is stretched out housing and is connected with the rotating shaft of electric power generating motor; The rotating shaft of described first active gear wheel is stretched out housing and is connected with driven chain wheels.
Further, described fan heat structure comprises the fan blade be arranged in the first driven pinion rotating shaft.
Further, described inner walls is provided with sound absorbing layer.
The beneficial effects of the utility model are,
One, switched by the sprocket wheel in the sprocket wheel in drive sprocket set and driven chain wheels, can realize realizing different generated outputs under different rotating speeds; When effectively avoiding belt gear by chain drive, belt loosens, and transmission effect sharply declines, and cannot ensure the effect that generates electricity.
Two, scalable driving handle, the student that can meet different height operates, and allows each classmate can practical operation, is convenient for carrying simultaneously.
Three, realize two bulbs by dual-output device simultaneously shinny, improve the enthusiasm of Students ' Learning generator principle.
Four, reduced the temperature in housing by fan heat structure, improve the serviceable life of dual-output device.
Accompanying drawing explanation
Fig. 1 is the structural representation of the hand-operated electric generator teaching aid that the utility model provides;
Fig. 2 can stretch the structural representation driving handle of drawing back one's hand;
Fig. 3 is the structural representation of dual-output device.
Embodiment
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
Fig. 1-3 is shown a kind of hand-operated electric generator teaching aid that the utility model provides, comprising: the rotating shaft 95, second of base 1, erecting frame 2, driven chain wheels 3, chain 4, drive sprocket set 5, cylinder 6, first threaded rod 7, second threaded rod 8, housing 91, second driven pinion 92, electric power generating motor 94, first driven pinion is gear wheel 96, fan blade 98 and first initiatively gear wheel 99 initiatively.Erecting frame 2 is arranged on base 1, and two erecting frames 2 are respectively equipped with drive sprocket set 5 and driven chain wheels 3, are provided with chain 4 between drive sprocket set 5 and driven chain wheels 3; Described drive sprocket set 5 is provided with scalable driving handle; Described driven chain wheels 3 are connected with dual-output device; Fan heat structure is provided with in described dual-output device; Two output terminals of described dual-output device are all connected with electric power generating motor 94, and electric power generating motor 94 is connected with bulb.
Scalable driving handle comprises the dwang be connected with the rotating shaft of drive sprocket set 5, dwang vertical direction is rotatably provided with the first threaded rod 7, first threaded rod 7 is arranged with the cylinder 6 with its threaded engagement, in cylinder 6, the other end is provided with contrary with the thread rotary orientation of the first threaded rod 7 with the second threaded rod 8, second threaded rod 8 of its threaded engagement; Described second threaded rod 8 is connected with handlebar.Make the first threaded rod 7 and the second threaded rod 8 counter motion by rotor 6, realize scalable driving handle and extend or shorten.
Dual-output device comprises housing 91, the first active gear wheel 99 is provided with in housing 91, first active gear wheel 99 is provided with the first driven pinion 93 be mated, the rotating shaft 95 of the first driven pinion is connected with housing 1, the rotating shaft 95 of the first driven pinion is provided with the second active gear wheel 96, the rotating shaft that the both sides of the second initiatively gear wheel 96 are equipped with the second driven pinion 92, two the second driven pinion 92 is stretched out housing 91 and is connected with the rotating shaft of electric power generating motor 94; The rotating shaft of described first active gear wheel 99 is stretched out housing 1 and is connected with driven chain wheels 3.
Fan heat structure comprises the fan blade 98 be arranged in the first driven pinion rotating shaft 95; The inwall of housing 91 is provided with sound absorbing layer.
Switched by the sprocket wheel in the sprocket wheel in drive sprocket set 5 and driven chain wheels 3, can realize realizing different generated outputs under different rotating speeds; When effectively avoiding belt gear by chain 4 transmission, belt loosens, and transmission effect sharply declines, and cannot ensure the effect that generates electricity.
Scalable driving handle, the student that can meet different height operates, and allows each classmate can practical operation, is convenient for carrying simultaneously.
Realize two bulbs by dual-output device simultaneously shinny, improve the enthusiasm of Students ' Learning generator principle.
Reduced the temperature in housing 91 by fan heat structure, improve the serviceable life of dual-output device.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a hand-operated electric generator teaching aid, comprise base, electric power generating motor and two erecting frames, erecting frame is arranged on base, it is characterized in that: described two erecting frames are respectively equipped with drive sprocket set and driven chain wheels, are provided with chain between drive sprocket set and driven chain wheels; Described drive sprocket set is provided with scalable driving handle; Described driven chain wheels are connected with dual-output device; Fan heat structure is provided with in described dual-output device; Two output terminals of described dual-output device are all connected with electric power generating motor, and electric power generating motor is connected with bulb.
2. hand-operated electric generator teaching aid according to claim 1, it is characterized in that: described scalable driving handle comprises the dwang be connected with the rotating shaft of drive sprocket set, dwang vertical direction is rotatably provided with the first threaded rod, first threaded rod is arranged with the cylinder with its threaded engagement, in cylinder, the other end is provided with the second threaded rod with its threaded engagement, and the second threaded rod is contrary with the first threaded rod thread rotary orientation; Described second threaded rod is connected with handlebar.
3. hand-operated electric generator teaching aid according to claim 1, it is characterized in that: described dual-output device comprises housing, the first active gear wheel is provided with in housing, first active gear wheel is provided with the first driven pinion be mated, the rotating shaft of the first driven pinion is connected with housing, the rotating shaft of the first driven pinion is provided with the second active gear wheel, the both sides of the second active gear wheel are equipped with the second driven pinion, and the rotating shaft of two the second driven pinion is stretched out housing and is connected with the rotating shaft of electric power generating motor; The rotating shaft of described first active gear wheel is stretched out housing and is connected with driven chain wheels.
4. hand-operated electric generator teaching aid according to claim 3, is characterized in that: described fan heat structure comprises the fan blade be arranged in the first driven pinion rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520953089.3U CN205177251U (en) | 2015-11-26 | 2015-11-26 | Hand -cranking generator teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520953089.3U CN205177251U (en) | 2015-11-26 | 2015-11-26 | Hand -cranking generator teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205177251U true CN205177251U (en) | 2016-04-20 |
Family
ID=55741211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520953089.3U Expired - Fee Related CN205177251U (en) | 2015-11-26 | 2015-11-26 | Hand -cranking generator teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205177251U (en) |
-
2015
- 2015-11-26 CN CN201520953089.3U patent/CN205177251U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20161126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |