CN2504708Y - Long painting display appts. - Google Patents

Abstract

The utility model relates to pronounceable long picture display device which has four painting sticks winded with a painting belt; wherein two painting sticks are connected with two speed reduction motors, while the other two are connected with springs via active shaft sleeves, the painting is provided with signal mark combination which can control the motors and the pronouncing circuit to realize the change of pictures and pronouncing, and the utility model is suitable for the publicity in the occasions such as exhibition halls, dance halls, families, and schools.

Description

Novel long exhibition of paintings showing device

The utility model relates to a kind of device of the automatic conversion picture that circulates.

Wall in our daily life of reality is drawn, tables' picture etc., and its picture is single fixing, and often timing automatic conversion is more stiff.

In order to address this problem, declared relevant patented claim in 99 years, patent name is: pronounceable self-changing picture device, the patent No. is: 992464706, and received reasonable effect, but found in practice, this apparatus structure complexity, cost is higher, and the picture increase and decrease is inconvenient, affects greatly for the popularization of this patent.

The purpose of this utility model is that a kind of improved pronounceable self-changing picture device will be provided, but also can be mute, and simple in structure, and cost is lower, and the picture increase and decrease is convenient, is easy to promote.

Function of the present utility model is achieved in that

Scheme one: in framework, have 4 to draw rod, end to end picture band makes picture show at apparent picture window on it, one catch that exceeds picture roller surface is respectively arranged at each two ends of drawing roller, its effect is to prevent that the picture band breaks away from the picture rod, respectively there is a support roller on next door at catch, its effect is when using softer thin picture band, prevent picture band flanging, end downside at framework, two adjusting screw are arranged, and its effect is: it is steady to guarantee that picture is taken away row, and wherein respectively there is a tensioning spring at two two ends of drawing rollers, link to each other with the picture roll shaft through movable axle sleeve, make the picture roller can do strained movements, two other end of drawing roll shaft respectively has a reducing motor coupled, when motor rotates the picture roller, picture band on it moves to a side immediately, makes the picture conversion.Can realize by the number that increases or reduce the picture roller when band need extend or shorten when drawing.In the inboard of drawing band marker is arranged, corresponding photoelectric tube links to each other with control circuit, according to detected signal control motor and pronunciation circuit, makes the running of this device.

The utility model has removed intermediate link because adopt reducing motor directly to link to each other with the picture roller, thereby simple in structure, and manufacturing cost is not high, and again owing to the end to end picture band of employing, so picture change is convenient.

Concrete structure of the present utility model has following embodiment and accompanying drawing thereof to provide.

Fig. 1 is an outward appearance front elevation of the present utility model.

Fig. 2, Fig. 3, Fig. 4 are front elevations of the present utility model, side view, and vertical view.

Figure (5-13) is the composition structure schematic top plan view that varying number of the present utility model is drawn roller.

Figure 14 is whole control circuit figure of the present utility model.

Figure 15 is a pronunciation circuit block diagram of the present utility model.

Among the figure: (1) casing, (2) show the picture window, (3) bellmouth orifice, (4) first is drawn roller, (5) second is drawn roller, (6) third draw roller, (7) fourth is drawn roller, (8) reducing motor, (9) catch, (10) spring, (11) hang the spring screw, (12) movable axle sleeve, (13) axle sleeve hole, (14) support roller, (15) supporting-roller shaft screw, (16) framework, (17) adjusting screw, (18) draw band, (19) stop the band sign, (20) pronunciation sign, (21) photoelectric detector, (22) axle, (23) daylight lamp, (24) power amplifier, (25) loudspeaker, (26) infrared probe, (27) system jack panel, (28) draw roller-[culvert: (4) first picture roller, (5) second is drawn roller, (6) third draw roller, (7) fourth is drawn roller]

Describe the details and the working condition of the utility model scheme one said concrete device in detail below in conjunction with figure (1-4), Figure 14, Figure 15.

There are 4 to draw roller (4), (5), (6), (7) on the framework (16), first is drawn roller (4), second is drawn roller (5) one end axle (22) and respectively linked to each other with a reducing motor (8), third draws roller (6), fourth is drawn the two ends of roller (7), on its axle (22) a movable axle sleeve (12) is arranged respectively, extension spring screw (11) on it links to each other with tensioning spring (10), and axle sleeve hole (13) can make movable axle sleeve (12) movable therein.Draw the rich picture roller (4) of band (18) ring, (5), (6), (7), and join end to end, because the outside tension force of spring (10), and picture band (18) is tightened, can not roll over band owing to have catch (9) and support roller (14) that picture band (18) also can not be fallen down again.End on the framework (16) has two adjusting screw (17), and its effect can make picture band (18) operate steadily.

Picture conversion and complete machine control procedure are such:

Form pulse producer by oscillator and integrated 4040 clock signal is provided, its negative pulse output is through C1, D1 is to 1 pin of (4093), when the U1 of photoelectric detector (21) on drawing band (18) stopping band sign (19) time, U1 ends, so positive potential adds to 2 pin of (4093) through R2, at this moment, 3 pin of (4093) are promptly exported positive potential, add to the base stage of G1 through R3, the G1 conducting, relay J 1 action, its junction closure, the power connection of reducing motor (8), directed rotation, rotate together coupled picture roller (4), (5), and it is mobile to drive picture band (18).Though start negative pulse and disappeared through 0.5 second this moment, but owing to draw moving of band (18), make white portion on it facing to the U1 of photoelectric detector (21), the U1 conducting, earth potential adds to 2 pin of (4093), makes its 3 pin still keep positive potential, and G1 continues conducting, relay J 1 adhesive, motor (8) is rotated further to stopping to picture band (18) is with sign (19) to living in U1, and U1 ends, and positive potential adds to 2 pin of (4093), its 3 pin output negative potential, G1 ends, and relay J 1 discharges contact (1), (2) disconnect, the arrival of next starting impulse is waited in motor (8) stall.Owing to draw pronunciation sign (20) is arranged on the band (18), during stopping band, its sign is over against pronunciation photoelectric detector (21), and pronunciation circuit will send corresponding sound by the coding of pronunciation sign (20).When K3 is closed, because earth potential adds to 2 pin of (4093) all the time, its 3 pin is positive potential all the time, and through R3, G1 is conducting all the time, the adhesive of J1 relay, its contact (1), (2) closure, motor (8) rotates continuously, and is not subjected to the control of photoelectric detector (21), second kind of working method, i.e. continuously-running duty have been realized.When using infrared receiving circuit, can be with the K4 closure, this circuit is promptly connected with control circuit, its course of work is such: when before this device thermal source being arranged, when existing people stood, will the pop one's head in thermal signal of U2 perception of infrared remote receiver was delivered to the amplifier of being made up of G2, G3 and is amplified, its output makes relay J 2 actions, the contact of J2 (1), (2) closure, control circuit work, picture is that conversion is moved.

The number that increases or reduce picture roller (28) can be obviously found out in conjunction with figure (5-13), the length of picture band (18) can be increased or shorten easily.

Scheme two: physical construction is said identical with scheme one, and different places is to have removed control circuit and pronunciation circuit.

Describe the details and the working condition of the utility model scheme two said concrete devices in detail below in conjunction with figure (1-4), figure (5-13).

There are 4 to draw roller (4) on the framework (16), (5), (6), (7), first is drawn roller (4), second is drawn roller (5) one end axle (22), and each links to each other with a reducing motor (8), third draws roller (6), fourth is drawn the two ends of roller (7), on its axle (22) a movable axle sleeve (12) is arranged respectively, extension spring screw (11) on it links to each other with tensioning spring (10), axle sleeve hole (13) can make movable axle sleeve (12) movable therein, draw band (18) around drawing roller (4), (5), (6), (7) and join end to end, since the outside tension force of spring (10), and picture band (18) is tightened, can not roll over band owing to have catch (9) and support roller (14) that picture band (18) also can not be fallen down again.End on the framework (16) is by 2 adjusting screw (17), and its effect can make picture band (18) operate steadily.

Because what adopt is end to end circulation picture band (18), when giving reducing motor (8) energising, picture band (18) ceaselessly circulates to a side immediately and moves, and reaches the purpose of picture conversion.

The growth of picture band (18) or the method for shortening are identical with scheme one.

Claims (9)

1, novel long exhibition of paintings showing device, by framework (16), reducing motor (8), draw roller (4), (5), (6), (7), draw band (18), stretcher, anti-dropping device, loop liftex, evener, pronunciation circuit, control circuit is formed, it is characterized in that pronunciation circuit and control circuit are by the marker (19) of drawing on the band (18), (20) control, draw roller (4), (5), (6), (7) number, can increase or reduce according to the length of drawing band (18), draw roller (6), (7) axle at two ends (22) links to each other with stretcher, anti-dropping device is drawn the two ends of roller at each, install loop liftex additional when using softer thin picture band (18), evener is in a side of framework (16).

2,, it is characterized in that incompatible 2 symbol combination that marker (19), (20) can be discerned by photoelectric detector (21) form, promptly black, white or logical light, disconnected light according to the said novel long exhibition of paintings showing device of claim 1.

3,, it is characterized in that stretcher is made of movable axle sleeve (12), extension spring screw (11), spring (10), axle sleeve hole (13) according to the said novel long exhibition of paintings showing device of claim 1.

4, according to claim 1,3 said novel long exhibition of paintings showing devices, the axle (22) that it is characterized in that picture roller (6), (7) two ends is in the movable axle sleeve (12) at its two ends.

5,, it is characterized in that picture roller (6), (7) can activities in the space that axle sleeve hole (13) limits according to claim 1,3,4 said novel long exhibition of paintings showing devices.

6,, it is characterized in that anti-dropping device is closely pasted mutually with the two ends of picture roller (4), (5), (6), (7) by the unified catch (9) that exceeds picture roller (4), (5), (6), (7) roller surface and constitutes according to the said novel long exhibition of paintings showing device of claim 1.

7,, it is characterized in that loop liftex is made of support roller (14), supporting-roller shaft screw (16) according to the said novel long exhibition of paintings showing device of claim 1.

8,, it is characterized in that support roller (14) can upward rotate flexibly at supporting-roller shaft screw (16) according to claim 1,7 said novel long exhibition of paintings showing devices.

9,, it is characterized in that evener is made of adjusting screw (17), system jack panel (27) and framework (16) according to the said novel long exhibition of paintings showing device of claim 1.

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