CN204516238U - A kind of new gear drive model - Google Patents
A kind of new gear drive model Download PDFInfo
- Publication number
- CN204516238U CN204516238U CN201520152751.5U CN201520152751U CN204516238U CN 204516238 U CN204516238 U CN 204516238U CN 201520152751 U CN201520152751 U CN 201520152751U CN 204516238 U CN204516238 U CN 204516238U
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- CN
- China
- Prior art keywords
- wheel
- driving wheel
- engaged
- engaged wheel
- ring magnet
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of new gear drive model, comprise driving wheel, engaged wheel and base plate, for the main axle of fixing described driving wheel and for fixing described engaged wheel from wheel shaft, for providing the ring magnet of gear Interaction Force for described driving wheel and described engaged wheel; The upper surface that described driving wheel and described engaged wheel are installed in described base plate is in same plane, and the side of driving wheel and engaged wheel is equipped with size and the suitable radial groove of described ring magnet; Described ring magnet is all fixed in the groove of described driving wheel and described engaged wheel, and be arranged on the ring magnet polar surface in adjacent radial groove towards being contrary.The utility model has widened electromagnetic application, has the advantages such as the creative thinking ability that design is ingenious, interest is strong, be easy to training student.
Description
Technical field
The utility model relates to the teaching aid of magnetic force application, particularly relates to a kind of new gear drive model.
Background technology
In physics teaching in secondary school, experiment is the requisite content of this course, the principle content that it can help student to understand better books are said, can motivate students' interest in learning again, thus the ability that training student is pinpointed the problems, analyzed problems and solved them, and then realize the real purpose of teaching, and the whether reasonable actual effect to teaching of experiment teaching aid design also has a certain impact.
In mechanical field, gear drive is owing to having stable drive, reliable operation, the advantages such as the life-span is long, and be able to widespread use in power transmission field, but, in the real work of gear, because the transmission of power between gear relies on wheel between cog to engage each other realization, and there is larger friction in this engagement system, even if often lubrication is also difficult to reach desirable effect, seriously govern the raising of power transmission efficiency, also affect the serviceable life of gear simultaneously, for the problem existing for above gear drive, simultaneously also in order to the ability of training student creative thinking, propose a kind of magneticaction relied between gear, realize the demonstrating model of power non contact transmission.
Utility model content
The purpose of this utility model is to provide a kind of new gear drive model, the magneticaction between gear can be relied on, under driving wheel and engaged wheel each other discontiguous situation, realize the transmission of power, demonstrate magnet well there is magnetic pole of the same name to attract each other, the feature that synonyms pole repels mutually, meanwhile, also provides possibility for magnetic force in the application in mechanical power transmission field.
The technical solution adopted in the utility model is:
A kind of new gear drive model, comprises driving wheel, engaged wheel and base plate, for the main axle of fixing described driving wheel and for fixing described engaged wheel from wheel shaft, for providing the ring magnet of interaction force for described driving wheel and described engaged wheel; Described driving wheel and described engaged wheel all adopt thickness to be greater than the disc structure of described ring magnet external diameter, and driving wheel and engaged wheel all have the mounting hole running through upper surface and lower surface center, the side of driving wheel and engaged wheel is evenly provided with size and the suitable radial groove of described ring magnet, and the upper surface that driving wheel and engaged wheel are installed in described base plate is in same level; Described main drive shaft and described driven shaft all comprise stationary shaft and ball bearing guide bushing two parts and the diameter of the external diameter of ball bearing guide bushing and described driving wheel and described engaged wheel mounting hole is suitable, and the spacing of main drive shaft and driven shaft will ensure that the interaction force had between described driving wheel and described engaged wheel is enough to allow described driving wheel and described engaged wheel rotate freely around wheel shaft; Described ring magnet is all fixed in the radial groove of described driving wheel and described engaged wheel side, and be arranged on the ring magnet polar surface in adjacent radial groove towards being contrary.
The internal diameter of described ball bearing guide bushing is even, external diameter uniform increments or successively decrease successively vertically.
The upper surface of described driving wheel is provided with the rocking handle for driving driving wheel.
The magnet for being fixed on by whole gear drive model on magnetic sheet is equipped with in the lower surface of described base plate
The utility model is by under the acting in conjunction that is arranged on ring magnet in driving wheel and engaged wheel side radial groove and its wheel shaft separately, make driving wheel and engaged wheel under the effect of magnet magnetic force, realize the non contact transmission of power, avoid in existing gear drive and affect the problem of power transmission efficiency and service life of gear because wheel between cog engages each other the larger friction of existence, widen electromagnetic application, there is the advantages such as the creative thinking ability that design is ingenious, interest is strong, be easy to training student.
Accompanying drawing explanation
Fig. 1 is schematic top plan view of the present utility model;
Fig. 2 is the structural representation of driving wheel in the utility model;
Fig. 3 is the structural representation of engaged wheel in the utility model;
Fig. 4 is the structural representation of screw in the utility model;
Fig. 5 is the structural representation of main drive shaft and driven shaft in the utility model.
Embodiment
As shown in Figures 1 to 5, the utility model comprises driving wheel 1 and engaged wheel 2, for lay described driving wheel 1 and described engaged wheel 2 base plate 3, for the main axle 9-1 of fixing described driving wheel 1 and for fixing described engaged wheel 2 from wheel shaft 9-2, for providing the ring magnet 4 of gear Interaction Force for described driving wheel 1 and described engaged wheel 2 and for described ring magnet 4 being fixed on the screw 5 on described driving wheel 1 and described engaged wheel 2, described base plate 3 can adopt wooden square-panel, and the magnet 6 for being fixed on by whole gear drive model on magnetic sheet is equipped with in the lower surface of base plate 3, described driving wheel 1 and engaged wheel 2 all adopt thickness to be greater than the disc structure of described ring magnet 4 external diameter, and driving wheel 1 and engaged wheel 2 all have the mounting hole 7 running through upper surface and lower surface center, the side of driving wheel 1 and engaged wheel 2 is evenly provided with size and the suitable radial groove 8 of described ring magnet 4, and driving wheel 1 and engaged wheel 2 are all arranged on described base plate 3 upper surface by respective wheel shaft is in same plane, described main drive shaft 9-1 and described driven shaft 9-2 all comprises stationary shaft 9 and ball bearing guide bushing 10, the spacing of main drive shaft 9-1 and driven shaft 9-2 will ensure that the interaction force had between described driving wheel 1 and described engaged wheel 2 is enough to allow described driving wheel 1 rotate freely around main axle 9-1 and rotates freely around from wheel shaft 9-2 with described engaged wheel 2, the internal diameter of described ball bearing guide bushing 10 is even, external diameter uniform increments or successively decrease suitable with the mounting hole 7 running through described driving wheel 1 and described engaged wheel 2 upper surface and lower surface center successively vertically, on the ball bearing guide bushing 10 that described driving wheel 1 and described engaged wheel 2 are fastened on corresponding to respective wheel shaft well, the corresponding S pole of the upper surface of described ring magnet 4, the corresponding N pole of lower surface, is all fixed in the radial groove 8 of described driving wheel 1 and described engaged wheel 2 side, and be arranged on ring magnet 4 polar surface in adjacent radial groove 8 towards being contrary, described screw 5 can adopt self drilling tapping screw, the bar portion 5-1 diameter of screw 5 and the internal diameter of described ring magnet suitable, the head 5-2 diameter of screw is greater than the internal diameter of described ring magnet.In order to realize the transmission between described driving wheel 1 and described engaged wheel 2 better, in the utility model, the upper surface of described driving wheel 1 is provided with the rocking handle 1-1 for driving driving wheel 1.
Specific works process is as follows:
When the rocking handle 1-1 by being arranged on driving wheel 1 upper surface drives driving wheel 1, attract each other because magnet has magnetic pole of the same name, the feature that synonyms pole repels mutually, engaged wheel 2 rotates together by following driving wheel 1 under the effect of magnetic force, and the direction rotated is contrary with the sense of rotation of driving wheel 1, achieve the non contact transmission of power between driving wheel 1 and engaged wheel 2, thus provide a kind of new approach for solving the problem affecting power transmission efficiency and service life of gear in existing gear drive because wheel between cog engages each other the larger friction of existence.In the utility model, along with the change of driving wheel 1 rotational speed, the rotating speed of engaged wheel 2 also can correspondingly change, and achieves rotating speed to each other in any case adjustable.Certainly, in the application of reality, the mode of driving wheel 1 is driven can to have carried out selection according to actual conditions.
In the utility model, owing to being equipped with polarity towards consistent magnet 6 at the corner place of base plate 3 lower surface, so whole model can be fixed on magnetic sheet (such as blackboard), make in the process of this model of demonstration, student can observe the feature of magnetic drives easily; For driving wheel 1 being fixed on the main drive shaft 9-1 on base plate 3 and being used for the driven shaft 9-2 that is fixed on by engaged wheel 2 on base plate 3, all adopt the structure comprising stationary shaft 9 and ball bearing guide bushing 10, one end of described stationary shaft 9 is fixed on base plate 3, the sheathed ball bearing guide bushing 10 of the other end, and be provided with ball 11 between the inwall of the outer wall of stationary shaft 9 and ball bearing guide bushing 10, when rotary driving wheel 1 and/or engaged wheel 2 gently, they can freely rotate well; In addition, the one end due to described stationary shaft 9 has the structure being easy to fix on base plate 3, the position of driving wheel 1 and engaged wheel 2 arbitrarily can be adjusted on base plate 3, to reach best transmission effect along with respective wheel shaft.
Claims (4)
1. a new gear drive model, it is characterized in that: comprise driving wheel, engaged wheel and base plate, for the main axle of fixing described driving wheel and for fixing described engaged wheel from wheel shaft, for providing the ring magnet of interaction force for described driving wheel and described engaged wheel; Described driving wheel and described engaged wheel all adopt thickness to be greater than the disc structure of described ring magnet external diameter, and driving wheel and engaged wheel all have the mounting hole running through upper surface and lower surface center, the side of driving wheel and engaged wheel is evenly provided with size and the suitable radial groove of described ring magnet, and the upper surface that driving wheel and engaged wheel are installed in described base plate is in same level; Main drive shaft and driven shaft all comprise stationary shaft and ball bearing guide bushing two parts and the diameter of the external diameter of ball bearing guide bushing and described driving wheel and described engaged wheel mounting hole is suitable, and the spacing of main drive shaft and driven shaft will ensure that the interaction force had between described driving wheel and described engaged wheel is enough to allow described driving wheel and described engaged wheel rotate freely around wheel shaft; Described ring magnet is all fixed in the radial groove of described driving wheel and described engaged wheel side, and be arranged on the ring magnet polar surface in adjacent radial groove towards being contrary.
2. new gear drive model according to claim 1, is characterized in that: the internal diameter of described ball bearing guide bushing is even, external diameter uniform increments or successively decrease successively vertically.
3. new gear drive model according to claim 1 and 2, is characterized in that: the upper surface of described driving wheel is provided with the rocking handle for driving driving wheel.
4. new gear drive model according to claim 3, is characterized in that: the magnet for being fixed on by whole gear drive model on magnetic sheet is equipped with in the lower surface of described base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520152751.5U CN204516238U (en) | 2015-03-18 | 2015-03-18 | A kind of new gear drive model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520152751.5U CN204516238U (en) | 2015-03-18 | 2015-03-18 | A kind of new gear drive model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204516238U true CN204516238U (en) | 2015-07-29 |
Family
ID=53714187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520152751.5U Expired - Fee Related CN204516238U (en) | 2015-03-18 | 2015-03-18 | A kind of new gear drive model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204516238U (en) |
-
2015
- 2015-03-18 CN CN201520152751.5U patent/CN204516238U/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: 20150729 Termination date: 20160318 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |