CN201616232U - Improved dynamic long scroll display screen - Google Patents

Improved dynamic long scroll display screen Download PDF

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Publication number
CN201616232U
CN201616232U CN2009201663105U CN200920166310U CN201616232U CN 201616232 U CN201616232 U CN 201616232U CN 2009201663105 U CN2009201663105 U CN 2009201663105U CN 200920166310 U CN200920166310 U CN 200920166310U CN 201616232 U CN201616232 U CN 201616232U
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China
Prior art keywords
chain
picture
band
wheel
painting
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Expired - Fee Related
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CN2009201663105U
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Chinese (zh)
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董力
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Individual
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Individual
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Priority to CN2009201663105U priority Critical patent/CN201616232U/en
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Abstract

The utility model discloses a device for automatically and laterally displaying multiple pictures in a circulating way, in particular to an improved dynamic long scroll display screen, painting belts of which can be guaranteed to run steadily and safely and be replaced extremely conveniently. As for the improved dynamic long scroll display screen, a rack is arranged in a case; the rack is provided with a plurality of gears and scroll paintings; a driving wheel group is connected with a motor; and chains with the painting belts are wound on the driving wheel group; and after being electrified, a control circuit can lead the painting belts to be displayed in the circulating way. Due to the adoption of the chains for driving, the painting belts run steadily and safely; furthermore, as painting belt clamps are adopted to be connected with the painting belts, the painting belts are replaced extremely conveniently.

Description

Improved dynamic long paper is showed screen
Affiliated technical field
The utility model relates to the device that a kind of horizontal Automatic Cycle is showed many pictures, especially can guarantee picture tape running steadily safety and the improved very easily dynamic long paper displaying screen of replacing picture band.
Background technology
At present, do not see dynamic long paper on the market as yet and show screen.Can be in order to solve the calligraphy and painting long paper in the problem of limited space Automatic Cycle displaying, I have declared relevant patented claim in 2005, the patent No. is: 200520107112.3, its structure is: by casing that exhibition picture window is arranged and framework wherein, draw roller, draw band, stretcher, motor, daylight lamp, control circuit are formed.Specifically: installed inspection band device additional on the both sides up and down of drawing band, the one or both ends of drawing roller have installed additional transfers the band device.Inspection band device is made up of microswitch, support, introduction, and microswitch has conductor wire to link to each other with control circuit and accent band device.Transfer the band device to be made up of the microswitch of motor, cam, axis of a cylinder, abutment ring, spring, convex axle sleeve, side plate, band deflector roll, the microswitch of band deflector roll has conductor wire to link to each other with control circuit and inspection band device.11 or several picture rollers are arranged in the framework, can form shapes such as rectangle or triangle, twine picture roller and end to end picture band on it successively picture is showed at exhibition picture window.One stretcher is arranged, its structure in the framework: be made up of picture roller, convex axle sleeve, extension spring screw, side plate, spring, accent spring screw, make the picture roller can make strained movements, its effect is to be with the friction that stretches and keep picture band and picture roller with drawing.Have one to draw its a end of roller and link to each other with drive motor, when drive motor rotated painted scroll, the picture band on it was mobile to a side immediately, makes the picture conversion.The inspection band device on both sides about the picture band changes in order to the deviation that detects the picture band, and signal is delivered to accent band device through conductor wire.Transfer the band device can be with the angle of the Signal Regulation picture roller of device, to correct the deviation that occurs in the picture tape running according to inspection.When picture was taken away partially seriously, one of them inspection band device can cut off the power supply automatically, makes the drive motor stall, protects the picture band injury-free.But find in practice: this device can not be guaranteed picture tape running stability and safety fully, have during fault, and its complicated structure makes the replacing of picture band very inconvenient, brings difficulty for the popularization of this patent.
Summary of the invention
In order to solve the problem that existing dynamic long paper is showed that screen picture tape running is not stable and changed picture band inconvenience, the utility model provides a kind of improved dynamic long paper to show screen, can guarantee that not only the picture tape running is very stable but also it is very convenient that the picture band is changed.
The technical scheme that its technical matters that solves the utility model adopts is: this device is made up of casing, frame, gear, chain, painted scroll, picture band, driving wheels, motor, lamp plate, control circuit.Specifically: installed additional on chain and smoothed device, other has the picture strap clamp to link to each other with chain.Smooth that device is made up of anticreep frame, gear wheel and gear or guide wheel, wheel shaft and guided wheel slot are formed.On the frame in the casing 4 or several gears are arranged, 1 drives wheels, and end to end chain engages is on it.Driving wheels is made up of driving wheel, painted scroll, bearing, bearing holder (housing, cover).Smoothing device makes reel chain straight.Picture strap clamp on the chain will be drawn strap clamp.Drive wheels and link to each other with motor, when motor rotated the picture roller, the moving chain of the cingulum of the driving wheel on it rotated together, was fixed on the chain through drawing strap clamp owing to draw band, therefore drew band and moved to a side with chain, made the picture conversion.
The beneficial effects of the utility model are: move with the chain operation owing to draw band, thus fool proof stable, adopt the picture strap clamp owing to draw band with being connected of chain again, so it is very convenient to change the picture band.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1, Fig. 2, Fig. 3 are front elevation, vertical view, the right views of first embodiment of the utility model.
Fig. 4, Fig. 5, Fig. 6 are front elevation, vertical view, the right views of second embodiment of the utility model.
Fig. 7, Fig. 8, Fig. 9 are front elevation, vertical view, the right views of the 3rd embodiment of the utility model.
Figure 10, Figure 11, Figure 12 are front elevation, vertical view, the right views of the 4th embodiment of the utility model.
Figure 13, Figure 14 are casing outside drawing of the present utility model, LED lamp plate synoptic diagram.
Figure 15, Figure 16 are the utility model LED lamp plate electrical schematic diagram, control circuit principle schematic.
Figure 17, Figure 18, Figure 19 are the vertical views of a kind of front elevation that smooths device of the utility model, vertical view, band chain bar.
Figure 20, Figure 21, Figure 22 are decomposing schematic representation, constitutional diagram, the vertical views that the utility model drives wheels.
Figure 23, Figure 24, Figure 25 be the utility model another smooth device the guide wheel front elevation, smooth the device front elevation, smooth the device side view.
Figure 26, Figure 27, be the utility model chain with guide wheel with draw front elevation, the vertical view that strap clamp is connected.
Figure 28 is the utility model chain and the guide wheel front elevation that extension spring is connected with the picture strap clamp.
Figure 29, Figure 30 be the utility model chain with gear with draw front elevation, the vertical view that strap clamp is connected.
Figure 31 is the utility model chain and the gear front elevation that extension spring is connected with the picture strap clamp.
Among the figure: 1, gear, 2, chain, 3, driving wheel, 4, painted scroll, 5, motor, 6, draw strap clamp, 7, draw band, 8, smooth device, 9, the anticreep frame, 10, gear wheel, 11, guide wheel, 12, guided wheel slot, 13, wheel shaft, 14, link rod, 15, hollow pivot pin, 16, extension spring, 17, frame, 18, casing, 19, exhibition picture window, 20, the human body infrared sensing switch, 21, photodiode, 22, the K1 switch, 23, photoelectric sensor, 24, stop the band sign, 25, the LED light emitting diode, 26, lamp plate,, 27, screw, 28, bearing holder (housing, cover), 29, bearing, 30, slide block, 31, slotted hole, 32, nut, 33, U-lag, 34, single-chip microcomputer, 35, plug, 36, drive wheels.
Embodiment
In Fig. 1, Fig. 2, first embodiment shown in Figure 3, four gears (1) are arranged on the frame (17), one drives wheels (36), and chain (2) joins end to end and circularizes engagement on it.Smooth device (8): be made up of anticreep frame (9), gear wheel (10), gear (1), purpose is to stop that chain is sagging to make its maintenance straight.Because the gear wheel (10) on the anticreep frame (9) is very little with the gap of gear (1),, chain (2) do not fall down so can not breaking away from gear (1) when moving.Again because the supporting role of the tooth of gear (1) makes chain (2) keep straight.Drive wheels (36): be to be fixed on the painted scroll (4) by driving wheel (3), the two ends of painted scroll (4) enter the U-lag (33) of frame (17) through bearing (29), bearing holder (housing, cover) (28).Its trough rim has the slide block (30) in a belt length hole (31), and screw in the hole (27) is fixed on slide block (30) on the frame (17).Because bearing holder (housing, cover) (28) leans against on the limit of slide block (30), so the position, the left and right sides of adjusting slider (30) can be through driving the degree of tightness that wheels (36) change chain (2).The picture strap clamp (6) of frame (17) top links to each other with chain (2) through link rod (14), hollow pivot pin (15), and following picture strap clamp (6) links to each other with chain (2) through extension spring (16), link rod (14), hollow pivot pin (15).On the picture strap clamp (6) on both sides, the effect owing to extension spring (16) made picture band (7) open and flat about picture band (7) was clipped in.The lower end that drives wheels (36) links to each other with motor (5), and motor (5) is fixed on the frame (17) through link rod (14).When motor (5) energising was rotated, coupled painted scroll (4), drive driving wheel (3) rotated chain (2) together, hang on the chain (2) owing to draw band (7) folder, so with chain (2) circulation running transform.Draw to have on the band (7) and stop band sign (24), its effect is: when photoelectric sensor (23) detects this sign, make motor (5) stall through control circuit, it is static to draw band (7), waits for the arrival of next enabling signal.One LED lamp plate (26) is arranged in the frame (17), and when extraneous insufficient light, the LED lamp is lighted, and adopts light transmissive material owing to draw band (7), therefore still can see picture clearly.
In Fig. 4, Fig. 5, second embodiment shown in Figure 6,12 gears (1) are arranged on the frame (17), one drives wheels (36), and chain (2) joins end to end into hollow toroid and meshes on it.Smooth device (8): be made up of anticreep frame (9), gear wheel (10), gear (1), purpose is to stop that chain is sagging to make its maintenance straight.Because the gear wheel (10) on the anticreep frame (9) is very little with the gap of gear (1),, chain (2) do not fall down so can not breaking away from gear (1) when moving.Again because the supporting role of the tooth of gear (1) makes chain (2) keep straight.Drive wheels (36): be to be fixed on the painted scroll (4) by driving wheel (3), the two ends of painted scroll (4) enter the U-lag (33) of frame (17) through bearing (29), bearing holder (housing, cover) (28).Its trough rim has the slide block (30) in a belt length hole (31), and screw in the hole (27) is fixed on slide block (30) on the frame (17).Because bearing holder (housing, cover) (28) leans against on the limit of slide block (30), so the position, the left and right sides of adjusting slider (30) can be through driving the degree of tightness that wheels (36) change chain (2).The picture strap clamp (6) of frame (17) top links to each other with chain (2) through link rod (14), hollow pivot pin (15), and following picture strap clamp (6) links to each other with chain (2) through extension spring (16), link rod (14), hollow pivot pin (15).On the picture strap clamp (6) on both sides, the effect owing to extension spring (16) made picture band (7) open and flat about picture band (7) was clipped in.The lower end that drives wheels (36) links to each other with motor (5), and motor (5) is fixed on the frame (17) through link rod (14).When motor (5) energising was rotated, coupled painted scroll (4), drive driving wheel (3) rotated chain (2) together, hang on the chain (2) owing to draw band (7) folder, so with chain (2) circulation running transform.Draw to have on the band (7) and stop band sign (24), its effect is: when photoelectric sensor (23) detects this sign, make motor (5) stall through control circuit, it is static to draw band (7), waits for the arrival of next enabling signal.One LED lamp plate (26) is arranged in the frame (17), and when extraneous insufficient light, the LED lamp is lighted, and adopts light transmissive material owing to draw band (7), therefore still can see picture clearly.
In Fig. 7, Fig. 8, the 3rd embodiment shown in Figure 9, two gears (1) are arranged on the frame (17), one drives wheels (36), and chain (2) joins end to end and circularizes engagement on it.Smooth device (8): be made up of guide wheel (11), wheel shaft (13), guided wheel slot (12), purpose is to stop that chain is sagging to make its maintenance straight.Because guide wheel (11) is fixed on the chain (2) through wheel shaft (13), link rod (14), because guided wheel slot (12) is straight, therefore when guide wheel (11) moved in guided wheel slot (12), chain (2) also can be straight naturally again.Because wheel shaft (13) makes the spacing of two guide wheels (11), greater than the breach spacing of guided wheel slot (12), so guide wheel (11) can not fall down.Drive wheels (36): be to be fixed on the painted scroll (4) by driving wheel (3), the two ends of painted scroll (4) enter the U-lag (33) of frame (17) through bearing (29), bearing holder (housing, cover) (28).Its trough rim has the slide block (30) in a belt length hole (31), and screw in the hole (27) is fixed on slide block (30) on the frame (17).Because bearing holder (housing, cover) (28) leans against on the limit of slide block (30), so the position, the left and right sides of adjusting slider (30) can be through driving the degree of tightness that wheels (36) change chain (2).The picture strap clamp (6) of frame (17) top links to each other with chain (2) through link rod (14), hollow pivot pin (15), and following picture strap clamp (6) links to each other with chain (2) through extension spring (16), link rod (14), hollow pivot pin (15).On the picture strap clamp (6) on both sides, the effect owing to extension spring (16) made picture band (7) open and flat about picture band (7) was clipped in.The lower end that drives wheels (36) links to each other with motor (5), and motor (5) is fixed on the frame (17) through link rod (14).When motor (5) energising was rotated, coupled painted scroll (4), drive driving wheel (3) rotated chain (2) together, hang on the chain (2) owing to draw band (7) folder, so with chain (2) circulation running transform.Draw to have on the band (7) and stop band sign (24), its effect is: when photoelectric sensor (23) detects this sign, make motor (5) stall through control circuit, it is static to draw band (7), waits for the arrival of next enabling signal.One LED lamp plate (26) is arranged in the frame (17), and when extraneous insufficient light, the LED lamp is lighted, and adopts light transmissive material owing to draw band (7), therefore still can see picture clearly.
In Figure 10, Figure 11, the 4th embodiment shown in Figure 12, eight gears (1) are arranged on the frame (17), one drives wheels (36), and chain (2) joins end to end into hollow toroid and meshes on it.Smooth device (8): be made up of guide wheel (11), wheel shaft (13), guided wheel slot (12), purpose is to stop that chain is sagging to make its maintenance straight.Because guide wheel (11) is fixed on the chain (2) through wheel shaft (13), link rod (14), because guided wheel slot (12) is straight, therefore when guide wheel (11) moved in guided wheel slot (12), chain (2) also can be straight naturally again.Because wheel shaft (13) makes the spacing of two guide wheels (11), greater than the breach spacing of guided wheel slot (12), so guide wheel (11) can not fall down.Drive wheels (36): be to be fixed on the painted scroll (4) by driving wheel (3), the two ends of painted scroll (4) enter the U-lag (33) of frame (17) through bearing (29), bearing holder (housing, cover) (28).Its trough rim has the slide block (30) in a belt length hole (31), and screw in the hole (27) is fixed on slide block (30) on the frame (17).Because bearing holder (housing, cover) (28) leans against on the limit of slide block (30), so the position, the left and right sides of adjusting slider (30) can be through driving the degree of tightness that wheels (36) change chain (2).The picture strap clamp (6) of frame (17) top links to each other with chain (2) through link rod (14), hollow pivot pin (15), and following picture strap clamp (6) links to each other with chain (2) through extension spring (16), link rod (14), hollow pivot pin (15).On the picture strap clamp (6) on both sides, the effect owing to extension spring (16) made picture band (7) open and flat about picture band (7) was clipped in.The lower end that drives wheels (36) links to each other with motor (5), and motor (5) is fixed on the frame (17) through link rod (14).When motor (5) energising was rotated, coupled painted scroll (4), drive driving wheel (3) rotated chain (2) together, hang on the chain (2) owing to draw band (7) folder, so with chain (2) circulation running transform.Draw to have on the band (7) and stop band sign (24), its effect is: when photoelectric sensor (23) detects this sign, make motor (5) stall through control circuit, it is static to draw band (7), waits for the arrival of next enabling signal.One LED lamp plate (26) is arranged in the frame (17), and when extraneous insufficient light, the LED lamp is lighted, and adopts light transmissive material owing to draw band (7), therefore still can see picture clearly.
In Figure 13, an exhibition picture window (19) is arranged on the casing (18), can clearly see the picture on the picture band (7), whether there is photodiode (21) top of casing (18), in order to experience the ambient light line strength, decide the lamp of lamp plate (26) to light.Whether there is a human body infrared induction switch (20) exhibition picture window (19) lower left, have the people to watch in coverage in order to sensation, can decide the Dynamic Display picture of whether starting shooting in its sole discretion.There is a K1 switch lower right of exhibition picture window (19), and when this switch closure, band circularly exhibiting is continuously drawn in motor (5) start.
In Figure 14, some LED light emitting diodes (25) are installed on the lamp plate (26), for this device provides illumination with a determining deviation.
In Figure 15, the alternating current 220V power supply insures through 2A, enters the bridge rectifier circuit of being made up of the 1N4004 diode, rectification is after the withstand voltage 400V capacitor filtering of 22 microfarads, form a DC voltage preferably, behind current-limiting resistance R, connect the LED light emitting diode (25) of series combination.
In Figure 16, adopt the AT89S51 single-chip microcomputer, its peripheral circuit adopts standard configuration, no longer repeats at this.0 pin of single-chip microcomputer (34) P0 mouth connects the base stage of BDG2, and emitter connects the JB relay, and whether the contact may command alternating current 220V power supply on it inserts lamp plate (26).1 pin of single-chip microcomputer (34) P0 mouth connects the base stage of BDG1, and emitter connects the JA relay, and whether the contact may command alternating current 220V power supply on it inserts motor (5).2 pin of P0 mouth connect the connection terminal (2) of K1 switch (22), and connection terminal (1) connects the place of working, and whether this switch controls inserts 2 pin with earth potential.3 pin of P0 mouth connect photoelectric sensor (23), another termination place of working of photoelectric sensor (23).Whether this sensor may command inserts 3 pin with earth potential.4 pin of P0 mouth connect human body infrared sensing switch (20).5 pin of P0 mouth connect photodiode (21).6 pin, 7 pin of P0 mouth are continued to employ in advance.
A kind of structure that smooths device (8) of the utility model has been shown in Figure 17, Figure 18, Figure 19: the gear wheel (10) on the anticreep frame (9) is on the both sides of gear (1), and keep a little gap with the crown of gear (1), its effect is: can make chain (2) go up operation flexibly at gear (1), but anti-chain dropping.
In Figure 20, Figure 21, Figure 22, show the composition structure that drives wheels (36): driving wheel (3) is fixed on the painted scroll (4) by screw (27), and there are bearing (29) and bearing holder (housing, cover) (28) in the two ends of painted scroll (4).
In Figure 23, Figure 24, Figure 25, show another structure that the utility model smooths device (8): form by guide wheel (11), wheel shaft (13) and guided wheel slot (12).
In Figure 26, Figure 27, the structure of show guide wheel (11), drawing strap clamp (6) and chain (2): two guide wheels (11) are through wheel shaft (13), link rod (14) and hollow pivot pin (15) and chain (2) close proximity, and the bottom of link rod (14) connects picture strap clamp (6).
Among Figure 28, show the guide wheel (11) of band extension spring (16), the structure of drawing strap clamp (6) and chain (2): two guide wheels (11) are through wheel shaft (13), link rod (14) and hollow pivot pin (15) and chain (2) close proximity, and the top of link rod (14) connects picture strap clamp (6) through extension spring (16).
Among Figure 29, Figure 30, show the structure of picture strap clamp (6) and chain (2): draw strap clamp (6) and closely link to each other with chain (2) with hollow pivot pin (15) through link rod (14).
Among Figure 31, show the picture strap clamp (6) of band extension spring (16) and the structure of chain (2): draw strap clamp (6) and closely link to each other with chain (2) with hollow pivot pin (15) through extension spring (16) link rod (14).
Below in conjunction with Fig. 4, Fig. 5, Figure 16 describes the details and the working condition of concrete device described in the utility model in detail.Plug (35) connects and exchanges the 220v power supply, and center line connects protection ground.When power connection, single-chip microcomputer is started working, state one: K1 switch closure, (for sake of convenience, noble potential is expressed as " 1 ", electronegative potential is expressed as " 0 ") 3 pin of " 0 " signal input P0 mouth, after single-chip microcomputer is handled, in the 1 pin output " 1 " of P0 mouth, triode BDG1 conducting, positive 5v power supply is that (JA) goes into ground through relay A, JA action, the contact 1 on it, 2 connect, the live wire that exchanges 220v is through insurance, contact enters motor (5), because of motor (5) other end connecting to neutral line, thus motor (5) rotate, therefore the driving wheel (3) through driving wheels (36) drive chain (2) and on picture band (7) running transform that circulates continuously together.Owing to smooth device (8) on the frame, so be straight with its chain that closely links to each other and the picture band on the chain.State two: the K1 switch opens, 2 pin of P0 mouth are unsettled.The infrared human body induction switch motion, " 0 " signal enters 4 pin, after single-chip microcomputer is handled, in the 1 pin output " 1 " of P0 mouth,, triode BDG1 conducting, positive 5v power supply is that (JA) goes into ground through relay A, the JA action, and the contact 1,2 on it is connected, the live wire that exchanges 220v enters motor (5) through contact, because of motor (5) other end connecting to neutral line, thus motor (5) rotate, therefore the driving wheel (3) through driving wheels (36) drive chain (2) and on picture band (7) running transform that circulates continuously together.State three: the K1 switch opens, 2 pin of P0 mouth are unsettled.The infrared human body induction switch cuts out, and 4 pin of P0 mouth are unsettled.Photoelectric sensor output " 1 ", and enter 3 pin, after single-chip microcomputer is handled, in the 1 pin output " 1 " of P0 mouth,, triode BDG1 conducting, positive 5v power supply is that (JA) goes into ground through relay A, the JA action, and the contact 1,2 on it is connected, the live wire that exchanges 220v enters motor (5) through insurance, contact, because of motor (5) other end connecting to neutral line, thus motor (5) rotate, therefore the driving wheel (3) through driving wheels (36) drive chain (2) and on picture band (7) running transform that circulates continuously together.When photoelectric sensor output " 0 ", promptly detect when stopping band sign (24) (annotating: stop band and be masked as black), this " 0 " signal enters 3 pin, handles through single-chip microcomputer, in the 1 pin output " 0 " of P0 mouth,, triode BDG1 ends, positive 5v power interruption, it is that JA restores that relay A discharges, the contact 1,2 on it disconnects, the live wire that exchanges 220v can not enter motor (5), so motor (5) stall.Draw band and stop to move, wait for the arrival of the enabling signal that this machine is provided with.State four: when extraneous light deepening, it is big that photodiode (21) resistance becomes, its circuit output " 1 ", and enter 5 pin of P0 mouth, after single-chip microcomputer is handled, in the 0 pin output " 1 " of P0 mouth,, triode BDG2 conducting, positive 5v power supply is that (JB) goes into ground through relay B, the JB action, and the contact 1,2 on it is connected, the live wire that exchanges 220v enters lamp plate (26) circuit L1 through insurance, contact, behind rectification, filtering, current-limiting resistance, LED, return zero line by L2, the LED lamp is lighted.Otherwise it is also anti-.
This machine is drawn band (7) and is adopted light transmissive material to make, but in the normal presentation at night.

Claims (4)

1. an improved dynamic long paper is showed screen, is made up of casing, frame, gear, chain, painted scroll, picture band, driving wheels, motor, lamp plate, control circuit, and specifically: installed additional on chain and smoothed device, other has the picture strap clamp to link to each other with chain.
2. a kind of improved dynamic long paper according to claim 1 is showed screen, it is characterized in that: drive wheels and be made up of driving wheel, painted scroll, bearing holder (housing, cover), bearing.
3. a kind of improved dynamic long paper according to claim 1 is showed screen, it is characterized in that: smooth device and be made up of anticreep frame, gear wheel, gear, or be made up of guide wheel, wheel shaft, guided wheel slot.
4. a kind of improved dynamic long paper according to claim 1 is showed screen, and it is characterized in that: the picture strap clamp of top links to each other with chain through link rod, and following picture strap clamp links to each other with chain through extension spring, link rod.
CN2009201663105U 2009-07-20 2009-07-20 Improved dynamic long scroll display screen Expired - Fee Related CN201616232U (en)

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Application Number Priority Date Filing Date Title
CN2009201663105U CN201616232U (en) 2009-07-20 2009-07-20 Improved dynamic long scroll display screen

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Application Number Priority Date Filing Date Title
CN2009201663105U CN201616232U (en) 2009-07-20 2009-07-20 Improved dynamic long scroll display screen

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CN201616232U true CN201616232U (en) 2010-10-27

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103730082A (en) * 2013-11-20 2014-04-16 昆山市魔方广告传媒有限公司 Large rotary high-speed highway advertisement device
CN103915046A (en) * 2014-01-13 2014-07-09 董力 Improved scroll exhibition device
CN108477841A (en) * 2018-05-18 2018-09-04 李君杰 Writing and drawing desk

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103730082A (en) * 2013-11-20 2014-04-16 昆山市魔方广告传媒有限公司 Large rotary high-speed highway advertisement device
CN103915046A (en) * 2014-01-13 2014-07-09 董力 Improved scroll exhibition device
CN108477841A (en) * 2018-05-18 2018-09-04 李君杰 Writing and drawing desk

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101027

Termination date: 20110720