CN2193578Y - Electric turnable multiple-sided billboard - Google Patents

Abstract

The utility model discloses an electric turnable multiple-sided billboard, which comprises a plurality of regular triangular prisms which are configured in parallel, an advertisement frame which supports the regular triangular prisms, the drive motor which drives the regular triangular prisms, a speed changing mechanism, and a transmission device; the transmission device comprises drive gears, middle gears, drive chain wheels, a plurality of driven chain wheels and transmission chains; at least half circumference of the drive gears is milled to be smooth surface; the middle gears are intermittently engaged with the drive gears, and the number of teeth are just the triple of the drive gears; the drive chain wheels and the middle gears are configured in coaxial and integrally rotated; the plurality of driven chain wheels are fixed on each end part of the rotational axis of the regular triangular prisms. The transmission device has simple structure, convenient manufacture and setting, which makes the triple turnable billboard have reliable motion and lower cost.

Description

Electric turnable multiple-sided billboard

The utility model relates to the multi-picture advertisement device, is specifically related to dispose, utilize the motor-driven mechanical drive that regular triangular prism is intermittently overturn side by side a plurality of regular triangular prisms, thereby shows the advertising device of three width of cloth advertisement pictures successively.

Overturning for this intermittence by regular triangular prism shows the advertising device of three width of cloth advertisement pictures, existing at present multiple scheme.But in these schemes, the often complicated or manufacturing inconvenience of the structure of machine driven system.For example notification number is that the Chinese patent of 203524U has disclosed a kind of " advertising device of the automatic conversion picture of mechanical type ", its kinematic train comprises: by the 1st bevel gear of output shaft of gear-box drive, milled 30 teeth continuously in 45 teeth of the 1st bevel gear, its rotation axis is parallel with the rotation axis of regular triangular prism; Can with the 2nd bevel gear of tool 45 teeth of the 1st bevel gear engagement; On the rotation axis of the 2nd bevel gear perpendicular to the regular triangular prism rotation axis, with number, the position of above-mentioned a plurality of regular triangular prisms be provided with accordingly a plurality of can with the 3rd bevel gear of the 2nd bevel gear unitary rotation; And, be fixed with respectively and each the 3rd bevel gear engagement respectively, the 4th bevel gear that the number of teeth is identical with the 3rd bevel gear in the same end of the rotation axis of each regular triangular prism.Because as above structure, whenever the 1st bevel gear rotated for 1 week, the 2nd bevel gear of tool 45 teeth was just rotated for 1/3 week the rotation time of 2 times of (15 teeth) and stalls, pass through the rotation of the 3rd, the 4th identical bevel gear of the number of teeth again, make each regular triangular prism revolution after moving 1/3 week, rest and rotate the required time in 2/3 week, just manifest three different advertisement pictures serially successively.But, this kinematic train must be provided with 4 grades of transmissions and use bevel gear, and transmission direction is conversion several times, and the loss of driving force is bigger, drive motor power must be bigger, structure is complicated, and institute takes up space bigger, and, install the 2nd, the 3rd bevel gear rotation axis must with the length (or width) of billboard about equally, often must be special, cause cost to raise, be difficult to implement.

The purpose of this utility model is, overcomes the shortcoming of such scheme, provides a kind of drive system structure simple, easily manufactured reliable again electric turnover multiaspect advertising device.

The electric turnover multiaspect billboard that the utility model provides comprises: side by side configuration and a plurality of regular triangular prisms free to rotate have 1 side to be positioned at same plane synchronously by rotating in each 3 sides that can make all regular triangular prisms; Support the advertising framework of these regular triangular prisms; As regular triangular prism drive source drives motor and gear; The rotation of drive source is passed to the gearing of all regular triangular prisms, this gearing comprises: the driving gear that be installed on the output shaft of gear-box, the hemicycle periderm mills into the light face at least, intermittently mesh with driving gear, the number of teeth is the neutral gear of 3 times of the driving gear numbers of teeth, drive sprocket with this neutral gear arranged coaxial unitary rotation, be fixed in a plurality of driven sprockets of the same end of rotation axis of above-mentioned a plurality of regular triangular prisms, be engaged in the driving chain on above-mentioned drive sprocket and each driven sprocket.

The as above electric turnover multiaspect billboard of structure, when milling into the driving gear of light face, hemicycle periderm at least driven when rotating through wheel box by motor, the number of teeth is that the neutral gear of 3 times of driving gears just intermittently is engaged with, rotate, and driving gear whenever circles, neutral gear rotates promptly 120 ° of 1/3 weeks, the time that at every turn stops operating is greater than each rotation time, this intermittence rotate by with the drive sprocket and the driving chain of neutral gear unitary rotation, pass to a plurality of driven sprockets of the same end of rotation axis of being fixed in a plurality of regular triangular prisms, thereby it is intermittent that a plurality of regular triangular prisms are done, each upset of rotating 120 ° realizes the conversion in proper order of three pictures.Gearing result wherein is simple, the transmission of power is reasonable, can use the standard component of ready-made straight-tooth gear, sprocket wheel and chain, even driving gear, also only the part tooth of ordinary gear must be milled can use, and adopt chain drive, the length of billboard can be unrestricted with the need setting, easily manufactured, cost is lower.

Below by to the description of an embodiment in conjunction with its accompanying drawing, can more specifically understand the purpose of this utility model and characteristics, wherein, accompanying drawing is:

Fig. 1: the front partial schematic diagram of the electric turnover multiaspect billboard of the utility model one embodiment.

The cross-sectional schematic of Fig. 2: Fig. 1.

Fig. 3, Fig. 4: illustrate produce intermittent rotational action process, the synoptic diagram of change speed motor, driving gear, neutral gear and follower gear among Fig. 1.

As shown in Figure 1 and Figure 2, the rotation axis 2 of the regular triangular prism 1 of a plurality of configurations arranged side by side by separately is articulated on the roughly rectangular advertising framework 3.On each rotation axis 2 between regular triangular prism 1 and the advertising framework 4, be fixed with driven sprocket 4 respectively, driven sprocket 4 is connected by the drive sprocket 6 of driving chain 5 with same diameter.In the appropriate location of advertising framework 4, also be provided with several chains and tighten up wheel 7, with chain 5 appropriate tensionings.

As shown in Figure 3, Figure 4, the axle of drive sprocket 6 is fixedly mounting the neutral gear 8 of the straight-tooth of 30 teeth on 9, can be this tool 60 teeth with the driving gear 10 of neutral gear 8 engagements but has been milled the straight-tooth gear of 50 teeth continuously.This driving gear 10 is installed on the output shaft 12 of change speed motor 11.

Have and drive and the output speed of the output shaft 12 of the change speed motor 11 of speed changing function can be regulated, for example, when being adjusted to rotating speed and being 10 rev/mins, only stay the driving gear 10 of 10 teeth whenever to circle and just change 6 second time, because only be 1/6 of rotation time the engagement time of it and follower gear 8, so in these 6 seconds, the follower gear 8 of 30 teeth only rotates promptly 120 ° in 10 teeth, only 1 second institute's time, just paused then 5 seconds, the drive sprocket 9 coaxial with this follower gear 8 rotates with follower gear 8 with being integral, and by driving chain 5, make each driven sprocket 4 also make same intermittence and rotate, pass through the rotation axis 2 of each regular triangular prism again, making regular triangular prism also make such intermittence rotates, promptly each 1 second kind of 120 ° of changes of rotating was paused for 5 seconds then, so, three width of cloth advertisement posters that are made of the side of a plurality of regular triangular prisms just appear at the billboard front successively, and every width of cloth is drawn to stop and represented for 5 seconds.

In above-mentioned implementation column, driving gear 10 adopts the gear that only stays 10 teeth, certainly adopt the gear of other numbers of teeth, milling the number of teeth not limit by this with the ratio that stays the number of teeth, change this ratio and can change pause ratio with flip-flop transition of picture, should not be less than and stay the number of teeth but mill gear, not so, the image turning time of billboard can be greater than the picture presentation time.The number of teeth that driving gear 10 stays also is not limited to 10 teeth, as long as for 1/3 of the number of teeth of follower gear 8, so just can make follower gear 8 just in time rotate 120 ° at every turn.Because driving and driven gear all adopts straight-tooth gear, and is easy to process.In addition, be provided with chain and tighten up wheel 7, can make chain 5 be in the tensioning state of appropriateness, each regular triangular prism is rotated more reliably synchronously, so that correctly form each advertisement picture.In addition, the drive source of present embodiment has used change speed motor, can certainly use separately independently motor and wheel box.

In addition, this billboard can make billboard only work in the time of needs if mix time controller or photoelectric controller.

Claims (2)

1, a kind of electric turnover multiaspect billboard comprises: side by side configuration and a plurality of regular triangular prisms free to rotate have 1 side to be positioned at same plane synchronously by rotating in each 3 sides that can make all regular triangular prisms; Support the advertising framework of these regular triangular prisms; Be installed in the advertising framework, as regular triangular prism drive source drives motor and gear; The rotation of drive source is passed to the gearing of all regular triangular prisms, and it is characterized in that above-mentioned gearing comprises: be installed in the driving gear on the output shaft of gear-box, the periderm of hemicycle at least of this driving gear mills into the light face; With the neutral gear that driving gear intermittently meshes, the number of teeth of this neutral gear just in time is 3 times of the number of teeth of driving gear; Drive sprocket with neutral gear arranged coaxial unitary rotation; Be fixed in a plurality of driven sprockets of the same end of rotation axis of above-mentioned a plurality of regular triangular prisms; The driving-chain that is engaged in above-mentioned drive sprocket and each driven sprocket is moving.

2, electric turnover multiaspect billboard as claimed in claim 1 is characterized in that, above-mentioned driving gear is originally to be 60 teeth, after to shave surplus continuously be the gear of 10 teeth, above-mentioned neutral gear has 30 teeth, and is provided with and makes the chain of above-mentioned driving chain tensioning tighten up wheel.

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