CN206849374U - A kind of gear-driven billboard model - Google Patents
A kind of gear-driven billboard model Download PDFInfo
- Publication number
- CN206849374U CN206849374U CN201720451520.3U CN201720451520U CN206849374U CN 206849374 U CN206849374 U CN 206849374U CN 201720451520 U CN201720451520 U CN 201720451520U CN 206849374 U CN206849374 U CN 206849374U
- Authority
- CN
- China
- Prior art keywords
- gear
- rotating shaft
- billboard
- driven
- worm
- 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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- Toys (AREA)
- Displays For Variable Information Using Movable Means (AREA)
- Gear Transmission (AREA)
Abstract
A kind of gear-driven billboard model, including chassis and supporting plate, motor is sequentially provided with supporting plate, transmission mechanism and power supply, driving pulley is installed on the power output shaft of motor, transmission mechanism includes decelerator, rotating shaft and the spur gear for being horizontally arranged at rotating shaft lower end, rotating shaft is vertically arranged and is rotatablely connected on the supporting plate, decelerator includes housing and the worm screw being located in housing, worm gear and power transmission shaft, the protruding housing of power intake of worm screw is simultaneously provided with driven pulley, driving pulley is connected with driven pulley by belt transmission, worm gear is arranged on power transmission shaft, worm and wheel bottom is meshed, the protruding housing of power transmission shaft is simultaneously provided with ring gear, ring gear bottom is meshed with spur gear, rotating shaft top is provided with billboard by connecting rod.The utility model is compact-sized, stable drive, simple operation, is easy to student directly to observe understanding.
Description
Technical field
The utility model belongs to teaching mode technical field, more particularly to a kind of gear-driven billboard model.
Background technology
In rote teaching, in order to integrate theory with practice, the general knowwhy required in study a period of time
Afterwards, allow student viewing in kind, teacher needs action and the structure of specific demonstration machine components, still, in presentation process, by
Draw in can not be student in explanation while, student can not be allowed by the good combination of hands-on and knowwhy, teacher or books
Description to situation in books tends not to directly form time-space image in student's brain, it is impossible to is intuitively presented to very much
Raw, in study, student feels indigestion, often occurs when teacher talks about the mechanical transmission mechanisms such as gear drive only
Can by a kind of oral elaboration or viewing video, allow the situation of Students ' Learning in a manner of picture, asked especially for some machineries
Topic is, it is necessary to demonstrate the operation principle of various mechanisms to classmates, and existing each mechanical teaching aid is separate, build is big, overall
Property it is poor, can not combine actual, and involve great expense, cost is high, and Students ' Learning is inconvenient for operation, and existing mechanical teaching aid is difficult
With the interest of mobilizing students.
Utility model content
The utility model is in order to solve weak point of the prior art, there is provided a kind of compact-sized, stable drive, operation
Gear-driven billboard model that is convenient, being easy to student directly to observe understanding.
In order to solve the above technical problems, the utility model adopts the following technical scheme that：A kind of gear-driven billboard mould
Type, including chassis and level are located at the supporting plate on chassis, and motor, transmission mechanism and power supply are sequentially provided with supporting plate,
Power supply is connected by power line with motor, and driving pulley, transmission mechanism bag are provided with the power output shaft of motor
Decelerator, rotating shaft and the spur gear for being horizontally arranged at rotating shaft lower end are included, rotating shaft is vertically arranged and is rotatablely connected on the supporting plate, subtracts
Fast device includes housing and the worm screw, worm gear and the power transmission shaft that are located in housing, and the protruding housing of power intake of worm screw is simultaneously pacified
Equipped with driven pulley, driving pulley is connected with driven pulley by belt transmission, and power transmission shaft and worm screw are mutually perpendicular to, power transmission shaft and
Worm screw is connected with housing into rotation, and worm gear is arranged on power transmission shaft, and worm and wheel bottom is meshed, the protruding shell of power transmission shaft
Body is simultaneously provided with ring gear, and ring gear bottom is meshed with spur gear, and rotating shaft top is provided with billboard by connecting rod.
The baffle plate positioned at spur gear both sides is fixedly connected with the supporting plate, baffle plate top is fixed with limiting plate, rotating shaft
Through limiting plate.
The supporting plate is provided with bearing block, and rotating shaft lower end is rotatably connected in bearing block by bearing.
Simultaneously it is vertically arranged at least provided with three pieces of billboards, billboard rectangular-blocklike structure in rotating shaft.
Every piece of billboard is fixedly connected at least through two connecting rods, and mounting seat is arranged with rotating shaft, and connecting rod one end is inserted
It is located in mounting seat.
Supporting pad is provided with described four angles of chassis.
Using above-mentioned technical proposal, the utility model has the following advantages that：
1st, the utility model drives driving pulley to rotate by motor, and driving pulley passes through belt drive driven pulley
Rotate, driven pulley imparts power to worm screw, and worm screw is rotated so as to drive worm gear wheel, and worm gear drives crown gear by power transmission shaft
Wheel rotates, and ring gear finally realizes the rotation of billboard, said process by driving axis of rotation with the engaged transmission of spur gear
Middle motor delivers power to decelerator, and reducing rotating speed by decelerator increases torque, and passes through ring gear and spur gear
Engaged transmission realize the change of transmission direction, while output torque to rotating shaft, realize the smooth rotation of rotating shaft so that advertisement
Board low-speed stable rotates, and simple operation, stable transmission, student is clearly recognized the transmission principle of ring gear, and pass through advertisement
The form that board rotates gives expression to, so as to reach teaching purpose.
2nd, decelerator uses Worm Wheel System, can reduce the rotating speed of motor output, while increases torque, reduces
The inertia of load, worm type of reduction gearing have reverse self-locking function, have larger speed reducing ratio.
3rd, the baffle plate positioned at spur gear both sides is fixedly connected with supporting plate, baffle plate plays a protection to spur gear and made
With baffle plate top is fixed with limiting plate, and limiting plate countershaft plays a firm effect, avoids rotating shaft from inclining during rotation
Tiltedly.
4th, billboard is fixed in rotating shaft by connecting rod, and connecting rod is arranged in rotating shaft by mounting seat, structure
It is compact, it is easy to disassemble.
5th, supporting pad is provided with four angles of chassis, whole device is played a supporting role, while reduce whole device
Caused vibration in operation process so that transmission is more steady.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the overlooking the structure diagram of transmission mechanism in the utility model.
Embodiment
As shown in Figure 1-2, a kind of gear-driven billboard model of the present utility model, including chassis 1 and level are located at
Supporting plate 2 on chassis 1, motor 3, transmission mechanism and power supply 4 is sequentially provided with supporting plate 2, power supply 4 passes through power line 5
It is connected with motor 3, driving pulley 6 is installed on the power output shaft of motor 3, transmission mechanism includes decelerator, turned
Axle 8 and the spur gear 9 for being horizontally arranged at the lower end of rotating shaft 8, rotating shaft 8 are vertically arranged and are rotatably connected in supporting plate 2, decelerator bag
Include housing 10 and the worm screw 11, worm gear 12 and the power transmission shaft 13 that are located in housing 10, the protruding shell of power intake of worm screw 11
Body 10 is simultaneously provided with driven pulley 14, and driving pulley 6 and driven pulley 14 are connected by belt 15, power transmission shaft 13 and worm screw
11 are mutually perpendicular to, and power transmission shaft 13 and worm screw 11 are rotatablely connected with housing 10, worm gear 12 be arranged on power transmission shaft 13 on, worm screw 11 with
The bottom of worm gear 12 is meshed, and the protruding housing 10 of power transmission shaft 13 is simultaneously provided with ring gear 16, the bottom of ring gear 16 and spur gear 9
It is meshed, the top of rotating shaft 8 is provided with billboard 18 by connecting rod 17.
The baffle plate 19 positioned at the both sides of spur gear 9 is fixedly connected with the supporting plate 2, the top of baffle plate 19 is fixed with limiting plate
20, rotating shaft 8 passes through limiting plate 20.
The supporting plate 2 is provided with bearing block 21, and the lower end of rotating shaft 8 is rotatably connected in bearing block 21 by bearing.
Simultaneously it is vertically arranged at least provided with three pieces of billboards 18, the rectangular-blocklike structure of billboard 18 in rotating shaft 8.
Every piece of billboard 18 is fixedly connected at least through two connecting rods 17, and mounting seat 22, connecting rod are arranged with rotating shaft 8
17 one end are plugged in mounting seat 22.
Supporting pad 23 is provided with described 1 four angles of chassis.
Operation principle of the present utility model is：4 switches are turned on the power, start motor 3, motor 3 drives actively
Belt wheel 6 rotates, and driving pulley 6 drives driven pulley 14 to rotate by belt 15, and driven pulley 14 imparts power to worm screw 11,
Worm screw 11 is rotated so as to drive worm gear 12 to rotate, and worm gear 12 drives ring gear 16 to rotate by power transmission shaft 13, and ring gear 16 passes through
Drive rotating shaft 8 to rotate with the engaged transmission of spur gear 9, finally realize the rotation of billboard 18, motor 3 will in said process
Power is transferred to decelerator, and reducing rotating speed by decelerator increases torque, and passes through the engaged transmission of ring gear 16 and spur gear 9
The change of transmission direction is realized, while outputs torque to rotating shaft 8, realizes the smooth rotation of rotating shaft 8 so that the low speed of billboard 18
Stable rotation.
The present embodiment not makees any formal limitation, every foundation to shape of the present utility model, material, structure etc.
Any simple modification, equivalent change and modification that the technical essence of the utility model is made to above example, belongs to this reality
With the protection domain of new technique scheme.
Claims (6)
- A kind of 1. gear-driven billboard model, it is characterised in that：Including chassis and the horizontal supporting plate being located on chassis, branch Motor, transmission mechanism and power supply are sequentially provided with fagging, power supply is connected by power line with motor, motor Driving pulley is installed, transmission mechanism includes decelerator, rotating shaft and the straight-tooth for being horizontally arranged at rotating shaft lower end on power output shaft Wheel, rotating shaft are vertically arranged and are rotatablely connected on the supporting plate, and decelerator includes housing and the worm screw, worm gear and the biography that are located in housing Moving axis, the protruding housing of power intake of worm screw are simultaneously provided with driven pulley, and driving pulley and driven pulley pass through belt Drive connection, power transmission shaft and worm screw are mutually perpendicular to, and power transmission shaft and worm screw are connected with housing into rotation, and worm gear is arranged on power transmission shaft On, worm and wheel bottom is meshed, and the protruding housing of power transmission shaft is simultaneously provided with ring gear, ring gear bottom and spur gear phase Engagement, rotating shaft top is provided with billboard by connecting rod.
- 2. gear-driven billboard model according to claim 1, it is characterised in that：It is fixedly connected in the supporting plate There is the baffle plate positioned at spur gear both sides, baffle plate top is fixed with limiting plate, and rotating shaft passes through limiting plate.
- 3. gear-driven billboard model according to claim 1 or 2, it is characterised in that：The supporting plate is provided with Bearing block, rotating shaft lower end are rotatably connected in bearing block by bearing.
- 4. gear-driven billboard model according to claim 1, it is characterised in that:It is wide at least provided with three pieces in rotating shaft Board is accused, billboard rectangular-blocklike structure is simultaneously vertically arranged.
- 5. gear-driven billboard model according to claim 4, it is characterised in that：Every piece of billboard is at least through two Root connecting rod is fixedly connected, and mounting seat is arranged with rotating shaft, and connecting rod one end is plugged in mounting seat.
- 6. gear-driven billboard model according to claim 1, it is characterised in that：It is all provided with described four angles of chassis It is equipped with supporting pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720451520.3U CN206849374U (en) | 2017-04-27 | 2017-04-27 | A kind of gear-driven billboard model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720451520.3U CN206849374U (en) | 2017-04-27 | 2017-04-27 | A kind of gear-driven billboard model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206849374U true CN206849374U (en) | 2018-01-05 |
Family
ID=60794113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720451520.3U Expired - Fee Related CN206849374U (en) | 2017-04-27 | 2017-04-27 | A kind of gear-driven billboard model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206849374U (en) |
-
2017
- 2017-04-27 CN CN201720451520.3U patent/CN206849374U/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 |
Granted publication date: 20180105 Termination date: 20210427 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |