CN2300161Y - Winding multi-picture self-switching advertising box - Google Patents

Abstract

A winding multi-picture self-switching advertising box belongs to the advertisement assembly. The major technique characteristic is that one end of a frame composed of multi-picture is fixed and winded on a reel shaft, and the other end rounds two guide shaft to be fixed and winded on the other reel shaft; two reel shafts are respectively provided with a pressing spring and an overrunning coupler; the external ring of the coupler is two reel shaft gearwheels which are engaged with a motor gearwheel fixedly connected with a motor shaft; the motor pauses in the timing time and continuously rotates in the positive direction and the reversal direction under the control of a common controlling circuit to make the multi-picture transform circularly. This advertisement box has high information capacity, flat picture plane and simple structure. This advertising box is suitable for advertising in the places of the roadside, the building roof, the bus stop, the playground, the restaurant and the market, etc. This advertising box can also be used for the hotel and the family decoration.

Description

The securable many pictures of takeup type of picture are changed advertisement cabinet certainly

The utility model relates to a kind of advertising apparatus, i.e. advertisement cabinet.

Up to now, advertisement cabinet that can the conversion picture has two kinds, and a kind of is to utilize the various combination of electronic light-emitting component to come the conversion display message, its cost of manufacture height, electronic light-emitting component is fragile, and color and sharpness are also because of being subjected to material and making poor effect that principle is limit; A kind of is as shown in the Chinese patent 942446887, at casing four jiaos an idler roller is installed respectively, the spool of two picture scrolls of can reeling is installed at box house, utilize alternately reeling of diaxon to make picture conversion, its defective is: four idler rollers only play the effect of picture guiding, do not play the effect of tensioning, because when reeling for one, another axle is thrown off and can freely be rotated with power, thereby causes picture loose, and display effect is poor; When reeling particularly, picture can make the picture out-of-flatness because of tensioning is not sagging, and it is irregular to reel; In addition, alternately reeling of diaxon, be to move back and forth, make motor gear to change by a gear string along a deep-slotted chip breaker of bottom half to realize with the engagement of different spool gears, this scheme makes mechanical driving part comparatively complicated, generation is impacted greatly, noise is big, fragile, unreliable, it is also big to take up room.In view of above reason, most widely used advertisement cabinet has only a width of cloth fixed image at present, and this advertisement cabinet information capacity is little, does not have innervation, and effect is bad.

The purpose of this utility model just is at above-mentioned weak point, existing advertisement cabinet is improved, a kind of conversion multi-picture automatically is provided, picture can tensioning, show smoothly, effective, the engagement that need not change gear mesh can realize alternately reeling of diaxon, and the power clutch does not have impact, noiselessness, transmission is simple and reliable, the advertisement cabinet that the cabinet space utilization factor is high.

For achieving the above object, the technical solution adopted in the utility model is: the two jiaos of places of a side at casing are provided with an axis of guide respectively, two jiaos of places of opposite side at casing are provided with a spool respectively, at an end of two spools a slice stage clip is set respectively and is pressed on the spool, the other end at two spools is provided with an overrunning clutch respectively, and one for the roller clutch of dialling melon, its star-wheel and spool connect firmly, its outer shroud is spool gears, and this gear number of teeth is few, is pinion wheel; Another is the roller clutch of band pusher dog, and its pusher dog and spool connect firmly, and its outer shroud also is a spool gears, and this gear number of teeth is many, is gear wheel; Two spool gears are meshed with the motor gear that connects firmly on motor shaft all the time; One end of the picture of being made up of multi-picture is fixed and is wound on the spool, and the other end is walked around two axis of guides and fixed and be wound on another spool; Intermittently or continuously rotate with the forward and reverse timing of an existing control circuit control motor then.

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:

Accompanying drawing 1 is the utility model inner structure front schematic view;

Accompanying drawing 2 is the utility model inner structure schematic top plan view;

Accompanying drawing 3 is the utility model inner structure side-looking (being that A amplifies to rotation in the accompanying drawing 2) synoptic diagram;

Among the figure, 1. spool 2. spool gears 3. stage clips 4. motor gears 5. motors 6. spool gears 7. spools 8. stage clips 9. axis of guides 10. axis of guides 11. pictures 12. pusher dogs 13. rollers 14. star-wheels 15. star-wheels 16. rollers 17. casings

The utility model partly is made up of casing 17, picture 11, mechanical driving part and control circuit.Mechanical driving part is following setting: the two jiaos of places, left side at casing are provided with the axis of guide 9 and 10 respectively, two jiaos of places, right side at casing are provided with spool 1 and 7 respectively, in the upper end of two spools a slice stage clip 3 and 8 being set respectively is pressed on the spool, in the lower end of two spools one overrunning clutch is set respectively, the lower end of spool 7 is provided with one not with the roller clutch of pusher dog, its star-wheel 15 connects firmly with spool 7, and its outer shroud is spool gears 6; The lower end of spool 1 is provided with rolling toward the formula mono-directional overrun clutch of a band pusher dog, and its pusher dog 12 connects firmly with spool 1, and its outer shroud is spool gears 2; Two spool gears 6 and 2 keep engagement with the motor gear 4 that connects firmly on motor shaft all the time; The number of teeth of gear 2 is greater than the number of teeth of gear 6, therefore the rotating speed of gear 6 is greater than the rotating speed of gear 2, its number of teeth difference is to determine like this: under spool 7 situation identical with 1 diameter, and the linear velocity of outermost layer picture when the linear velocity of the picture of innermost layer is more than or equal to spool 1 active when making spool 7 initiatively.Like this, when motor drives motor gear 4 and clockwise rotates under control circuit control, gear 6 rotates counterclockwise and makes clutch, drive spool 7 and rotate counterclockwise, spool 7 is as main drive shaft coiling picture, at this moment, spool 1 under picture drives its rotating speed greater than the rotating speed of gear 2, this clutch coupling is in surmounts state, spool 1 is a driven shaft, gear 2 idle running.After the picture on the spool 1 is all emitted, motor drives motor gear 4 again and rotates counterclockwise under control circuit control, 2 of gears clockwise rotate and make this clutch, drive spool 1 and clockwise rotate, spool 1 is as main drive shaft coiling picture, at this moment, spool 7 under picture drives its rotating speed less than the rotating speed of gear 6, this clutch coupling is in surmounts state, spool 7 is a driven shaft, gear 6 idle running.

One end of the picture of being made up of multi-picture 11 is fixed and is wound on the spool 1, and the other end is walked around two axis of guides 9 and 10 fixing and be wound on the spool 7.

Control circuit is used for controlling the forward and reverse timing intermittence of motor or rotating continuously, is a common existing control circuit, and is not shown.

The advertisement cabinet of utilizing the utility model to provide, can reach the purpose that circulation shows multi-picture, increase information capacity, strengthen innervation, and because an end of two spools all is provided with stage clip, suitably regulate the pressure of stage clip, spool can only be rotated under power drive and the effect of picture pulling force, can not freely rotate spool, thereby make picture remain tensioning state, it is neat to reel, and shows smooth, effective; Motor gear is meshed with two spool gears all the time, rely on joint that two overrunning clutches realize two spools and power and separate, used clutch coupling belongs to auto-controlled clutch, smooth engagement, idle motion is short, and spool and spool gears can be integral with the part of clutch coupling, so that mechanical driving part is simple in structure, compact dimensions, power engage and separate nothing impact, noiseless; In addition, topology layout of the present utility model can farthest utilize cabinet space.

Claims (3)

1. the securable many pictures of takeup type of picture are changed advertisement cabinet certainly, comprise casing, picture, mechanical driving part and control motor are just, oppositely timing intermittence or the general control circuit of running continuously, it is characterized in that: said mechanical driving part is to form like this: the two jiaos of places of a side at casing are provided with an axis of guide respectively, two jiaos of places of opposite side at casing are provided with a spool respectively, at an end of two spools a slice stage clip being set respectively is pressed on the spool, the other end at two spools is provided with an overrunning clutch respectively, one for the roller clutch of pusher dog, its star-wheel and spool connect firmly, and its outer shroud is spool gears; Another is the roller clutch of band pusher dog, and its pusher dog and spool connect firmly, and its outer shroud also is a spool gears; Two spool gears are meshed with the motor gear that connects firmly on motor shaft all the time.

2. change advertisement cabinet certainly as the securable many pictures of takeup type of the said picture of claim 1, it is characterized in that, the number of teeth difference of said two spool gears, its number of teeth difference are to determine like this; Under the identical situation of two reel diameter, the linear velocity of outermost layer picture when the linear velocity of innermost layer picture is more than or equal to another spool active during spool active.

3. change advertisement cabinet certainly as the securable many pictures of takeup type of the said picture of claim 1, it is characterized in that, said picture is made up of multi-picture, and an end of picture is fixed and is wound on the spool, and the other end is walked around two axis of guides and fixed and be wound on another spool.

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