CN206564094U - A kind of theory of mechanics demonstration teaching aid - Google Patents
A kind of theory of mechanics demonstration teaching aid Download PDFInfo
- Publication number
- CN206564094U CN206564094U CN201720298137.9U CN201720298137U CN206564094U CN 206564094 U CN206564094 U CN 206564094U CN 201720298137 U CN201720298137 U CN 201720298137U CN 206564094 U CN206564094 U CN 206564094U
- Authority
- CN
- China
- Prior art keywords
- gear
- slide bar
- installing plate
- rectangular shaft
- teaching aid
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of theory of mechanics demonstration teaching aid, including installing plate；The installing plate, which is provided with bearing, bearing, is rotatably provided with swingle, and the other end of swingle is rotatably provided with little gear, and little gear is externally provided with the ring gear coordinated with it；The plane of the little gear is provided with a sliding block；The little gear is configured with rectangular shaft, and rectangular shaft offers chute, and chute is engaged with sliding block；The side of the rectangular shaft is provided with the first slide bar, and the opposite side of rectangular shaft is provided with the second slide bar；The installing plate is rotatably provided with driving gear, and connecting rod is provided between driving gear and the first slide bar, and connecting rod one end is rotatably connected with driving gear, and its other end is rotatably connected with the first slide bar；The installing plate is in the side of driving gear rotatably provided with the driven gear coordinated with it；The lower end of second slide bar is provided with rack；The installing plate is provided with the gear coordinated with rack in the lower section of rack.This mechanical principle demonstration teaching aid can be applicable.
Description
Technical field
The utility model is related in technical field of teaching instruments, in particular to a kind of theory of mechanics demonstration teaching aid.
Background technology
In resonable engineering section, link motion principle and gear movement principle are one of emphasis of Students ' Learning,《Machinery is set
Meter》And《Theory of mechanics》Showed in related Sections Deng course, student it is simple pass through the simple graph on textbook
And the oral of teacher tells about understanding link motion principle and gear movement principle it is difficult to visual pattern.
Utility model content
The purpose of this utility model is to provide a kind of theory of mechanics demonstration teaching aid, to solve the deficiencies in the prior art.
To realize the utility model purpose, the technical scheme used for：
A kind of theory of mechanics demonstration teaching aid, including installing plate, it is characterised in that the installing plate is provided with bearing, bearing
Upper to be rotatably provided with swingle, the other end of swingle is rotatably provided with little gear, and little gear is externally provided with the internal tooth coordinated with it
Circle；The plane of the little gear is provided with a sliding block；The little gear is configured with rectangular shaft, and rectangular shaft offers chute, and sliding
Groove is engaged with sliding block；The side of the rectangular shaft is provided with the first slide bar, and the opposite side of rectangular shaft is provided with the second slide bar；The peace
Fill plate and be rotatably provided with driving gear, connecting rod, connecting rod one end and driving gear are provided between driving gear and the first slide bar
It is rotatably connected, its other end is rotatably connected with the first slide bar；The installing plate is rotatably provided with the side of driving gear
The driven gear coordinated with it；The lower end of second slide bar is provided with rack；The installing plate is provided with and tooth in the lower section of rack
The gear that bar coordinates.
Further, the ring gear is fixedly connected with installing plate.
Further, the installing plate is provided with guide holder, and guide holder is provided with groove, and groove and the first slide bar match
Close.
Further, second slide bar, which is offered, is configured with guide pad, guide pad and installing plate in guide groove, guide groove
It is fixedly connected.
The beneficial effects of the utility model are,
Little gear is set to be rotated along ring gear by driving swingle to rotate, the sliding block in little gear drives rectangular shaft or so to move
Dynamic, rectangular shaft drives the first slide bar and the second slide bar to move left and right；Now the first slide bar drives driving tooth to rotate by connecting rod
Dynamic, driving gear drives driven gear to rotate；Second slide bar band carry-over bar is moved left and right, rack drives pinion rotation.This practicality
It is new it is vivid demonstrate between gear and ring gear, rack and pinion, two gears and link motion principle, be conducive to same
Learn understanding.
Brief description of the drawings
Fig. 1 is the structural representation for the theory of mechanics demonstration teaching aid that the utility model is provided.
Embodiment
The utility model is described in further detail below by specific embodiment and with reference to accompanying drawing.
The theory of mechanics demonstration teaching aid that the shown the utility model of Fig. 1 is provided, including installing plate 1, gear 2, second are slided
Bar 3, guide pad 4, ring gear 5, rectangular shaft 6, sliding block 7, little gear 8, swingle 9, the first slide bar 10, bearing 11, guide holder 12,
Connecting rod 13, driving gear 14, driven gear 15 and rack 16；The installing plate 1 is provided with rotatable on bearing 11, bearing 11
Provided with swingle 9, the other end of swingle 9 is rotatably provided with little gear 8, and little gear 8 is externally provided with the ring gear 5 coordinated with it；
The plane of the little gear 8 is provided with a sliding block 7；The little gear 8 is configured with rectangular shaft 6, and rectangular shaft 6 offers chute, and
Chute is engaged with sliding block 7；The side of the rectangular shaft 6 is provided with the first slide bar 10, and the opposite side of rectangular shaft 6 is provided with the second slide bar
3；The installing plate 1 is rotatably provided between driving gear 14, the slide bar 10 of driving gear 14 and first and is provided with connecting rod 13, connection
The one end of bar 13 is rotatably connected with driving gear 14, and its other end is rotatably connected with the first slide bar 10；The installing plate 1 is in master
The side of moving gear 14 is rotatably provided with the driven gear 15 coordinated with it；The lower end of second slide bar 3 is provided with rack 16；Institute
State installing plate 1 and the gear 2 coordinated with rack 16 is provided with the lower section of rack 16；The ring gear 5 is fixedly connected with installing plate 1；
The installing plate 1 is provided with guide holder 12, and guide holder 12 is provided with groove, and groove is engaged with the first slide bar 10；Described second
Slide bar 3 is offered and guide pad 4 is configured with guide groove, guide groove, and guide pad 4 is fixedly connected with installing plate 1.
Little gear 8 is set to be rotated along ring gear 5 by driving swingle 9 to rotate, the sliding block 7 in little gear 8 drives rectangular shaft 6
Move left and right, rectangular shaft 6 drives the first slide bar 10 and the second slide bar 3 to move left and right；Now the first slide bar 10 passes through connecting rod 13
Driving gear 14 is driven to rotate, driving gear 14 drives driven gear 15 to rotate；Second slide bar 3 is moved left and right with carry-over bar 16,
Rack 16 is rotated with moving gear 2.The utility model is vivid to be demonstrated between gear and ring gear, rack and pinion, two gears
And the principle of link motion, be conducive to the understanding of classmates.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (4)
1. a kind of theory of mechanics demonstration teaching aid, including installing plate, it is characterised in that the installing plate is provided with bearing, bearing
Swingle is rotatably provided with, the other end of swingle is rotatably provided with little gear, and little gear is externally provided with the ring gear coordinated with it；
The plane of the little gear is provided with a sliding block；The little gear is configured with rectangular shaft, and rectangular shaft offers chute, and chute with
Sliding block is engaged；The side of the rectangular shaft is provided with the first slide bar, and the opposite side of rectangular shaft is provided with the second slide bar；The installing plate
Driving gear is rotatably provided with, connecting rod is provided between driving gear and the first slide bar, connecting rod one end can turn with driving gear
Dynamic connection, its other end is rotatably connected with the first slide bar；The installing plate is rotatably provided with and it in the side of driving gear
The driven gear of cooperation；The lower end of second slide bar is provided with rack；The installing plate is provided with the lower section of rack matches somebody with somebody with rack
The gear of conjunction.
2. theory of mechanics demonstration teaching aid according to claim 1, it is characterised in that：The ring gear is fixed with installing plate to be connected
Connect.
3. theory of mechanics demonstration teaching aid according to claim 1, it is characterised in that：The installing plate is provided with guide holder,
Guide holder is provided with groove, and groove is engaged with the first slide bar.
4. theory of mechanics demonstration teaching aid according to claim 1, it is characterised in that：Second slide bar offers guiding
Guide pad is configured with groove, guide groove, guide pad is fixedly connected with installing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720298137.9U CN206564094U (en) | 2017-03-25 | 2017-03-25 | A kind of theory of mechanics demonstration teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720298137.9U CN206564094U (en) | 2017-03-25 | 2017-03-25 | A kind of theory of mechanics demonstration teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206564094U true CN206564094U (en) | 2017-10-17 |
Family
ID=60032796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720298137.9U Expired - Fee Related CN206564094U (en) | 2017-03-25 | 2017-03-25 | A kind of theory of mechanics demonstration teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206564094U (en) |
-
2017
- 2017-03-25 CN CN201720298137.9U patent/CN206564094U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171017 Termination date: 20180325 |