CN210989173U

CN210989173U - Professional wall map display device is led in movie & TV

Info

Publication number: CN210989173U
Application number: CN201921682375.5U
Authority: CN
Inventors: 冯诚; 石彦君; 蒋黎明; 张勇强; 张颖
Original assignee: Handan College
Current assignee: Handan College
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-07-14
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses a professional wall map display device is led in movie & TV, frame, wall map deposit the case, get picture mechanism, chucking mechanism and gasbag compression mechanism, the frame includes base, support arm, stull and flange dish, the box that the case was deposited to the wall map is fixed on the base, the motor, shaft coupling, turbine worm reduction gear and the rotation axis seat of getting picture mechanism are fixed respectively on the base, the supporting shoe and the unblock electromagnetic lock of chucking mechanism are fixed respectively on the support arm, gasbag compression mechanism's sliding sleeve fixed mounting is on the stull, on gasbag compression mechanism's the electric putter fixed mounting ring flange. The beneficial effects of the utility model are that, when the movie & TV is compiled and is led the specialty and go up class time, realized the automation that a plurality of wall map showed according to one, saved artifical loaded down with trivial details wall map fixed work, improved teaching efficiency and quality greatly.

Description

Professional wall map display device is led in movie & TV

Technical Field

The utility model relates to a teaching equipment field, more specifically the theory that says so relates to a specialty wall map display device is led to movie & TV.

Background

The video guide profession is a subject related to videos. The key point of the modern composite human-type and multifunctional professional in various media is to combine the innovation of art and technology. At present, teachers need to hang charts frequently in order to facilitate direct observation and grasp of students in class. But the hanging chart is generally adopted by the existing hanging chart frame, so that the operation is complex, time and labor are wasted, and the teaching quality of teachers is influenced. Sometimes when needing to explain many pictures or show student's works, just so need manually hang and dismantle every picture, reduced teaching efficiency.

Therefore, in view of the above, it is a problem to be solved by those skilled in the art to develop a professional hanging chart display device for movie and television program guide.

SUMMERY OF THE UTILITY MODEL

In order to make easy operation and improvement teaching efficiency, the utility model provides a professional wall map display device is led to movie & TV.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a professional wall map display device is led in movie & TV, frame, wall map deposit the case, get picture mechanism, chucking mechanism and gasbag compression mechanism, the frame includes base, support arm, stull and flange dish, the box that the case was deposited to the wall map is fixed on the base, the motor, shaft coupling, turbine worm reducer ware and the rotation axis seat of getting picture mechanism are fixed respectively on the base, the supporting shoe and the unblock electromagnetic lock of chucking mechanism are fixed respectively on the support arm, gasbag compression mechanism's direction sliding sleeve fixed mounting is on the stull, on gasbag compression mechanism's the electric putter fixed mounting flange dish.

Furthermore, the wall map storage box is used for storing wall maps, the map taking mechanism is used for taking out the wall maps from the wall map storage box and displaying the wall maps, the clamping mechanism is used for clamping the wall maps, and the air bag compression mechanism is used for providing negative pressure for the map taking mechanism.

Further, the frame includes the base, founds piece, 2 support arms, 2 stulls, 2 vertical reinforcing plates, 2 horizontal reinforcing plates and ring flange, the base is fixed subaerial, be fixed with on the base and found the piece, both ends are fixed with the support arm respectively about founding the piece, 2 fixed mounting has the stull between the support arm, 2 the stull sets up upper end and the lower extreme at the support arm respectively, the ring flange sets up the centre at support arm and stull, by horizontal reinforcing plate fixed connection between ring flange and the support arm, by vertical reinforcing plate fixed connection between ring flange and the stull.

Furthermore, the support arm is used for supporting the clamping mechanism, the cross arm is used for supporting the guide rod, and the flange plate is used for fixedly mounting the electric push rod.

Further, the wall map storage box comprises a box body, 2 spring fixing seats, 2 push plate springs and a push plate, wherein the box body is fixedly installed on the base, 2 spring seats are fixedly installed at the bottom of the box body, the push plate springs are fixedly installed in the spring seats, the other ends of the push plate springs are connected to the lower end of the push plate, the push plate is slidably installed in the box body and used for placing the wall map, and the push plate springs are used for pushing the push plate to push the wall map to a port of the wall map storage box so as to enable a map taking mechanism to take the map.

Further, get picture mechanism and include motor, shaft coupling, turbine worm reducer, button box, 2 rotation axle bed, axis of rotation, little sprocket, big sprocket and driving chain, backup pad, fixed plate, 2 negative pressure boxes, 2 adsorb micropore board, rubber gasbag, adsorb wall map position travel switch, get picture mechanism normal position travel switch and axle sleeve, motor, turbine worm reducer and rotation axle bed are fixed on the base respectively, the motor with turbine worm reducer is by shaft coupling shaft, fixed mounting has little sprocket on the output shaft of turbine worm reducer, the axis of rotation is rotated and is installed on 2 rotation axle beds, fixed mounting has big sprocket and axle sleeve in the axis of rotation, installs the driving chain between big sprocket and the little sprocket, be fixed with the lower extreme of backup pad on the axle sleeve, the lower extreme at the fixed plate is fixed to the upper end of backup pad, the back of fixed plate is fixed with the rubber gasbag, be provided with gasbag in the inner chamber of rubber gasbag and prop up ejector pin, gasbag reset spring and spring fixed cover, gasbag prop up the ejector pin fixed mounting on the inner chamber wall of rubber gasbag L the fixed box, the fixed box is provided with the fixed box bottom of the fixed box, and the fixed box of the fixed plate of the gasbag and the fixed box of the fixed plate of the fixed box of the gasbag and the fixed box of.

Furthermore, the rotating shaft seat is used for supporting and installing a rotating shaft, the fixed plate is used for fixing the rubber airbag and the negative pressure box body, the adsorption microporous plate and the medicine taking box body form a negative pressure cavity, the adsorption microporous plate is used for adsorbing a hanging picture, the rubber airbag is used for providing negative pressure suction for the adsorption microporous plate, the rotating shaft is used for driving the shaft sleeve and the supporting plate to rotate, the check valve is used for only allowing outflow gas not allowing inflow gas, and the adsorption microporous plate is formed on the adsorption microporous plate and provided with a plurality of fine through holes.

Further, the clamping mechanism is provided with 4 sets, the 4 sets of clamping mechanisms are the same, the 4 sets of clamping mechanisms are distributed and fixed at two ends of 2 support arms, each clamping mechanism comprises a support block, a fixed block, a clamping groove, a clamping pin spring, a conical ejector rod, an unlocking electromagnet, a support rod, a fixed ring, a sliding sleeve spring, a sliding sleeve, a pull rope fixed block, a pull rope, a pressing plate, a rubber pressing strip, a spring piece, a sliding rail, a sliding seat, a cushion block and a support rod limiting block, the rear end of the support block and the unlocking electromagnet are respectively fixed on the support arms, the support block is fixed with the fixed block, the fixed block is fixed with the cushion block, the cushion block is fixed with the support rod limiting block, the fixed block is provided with a through hole, the middle part of the through hole is provided with the clamping groove, the rear section, the front end of a conical ejector rod is arranged in the conical hole, a clamping pin is arranged in the clamping groove and the clamping pin hole, a clamping pin spring is arranged between the clamping pin and the inner wall of the through hole, one end of the clamping pin is arranged in the clamping groove, the other end of the clamping pin is abutted against a thick rod of the conical ejector rod, the rear end of the conical ejector rod is connected with a push rod of an unlocking electromagnet, a fixing ring is arranged on the support rod, a sliding sleeve is arranged on the support rod in a sliding manner, a sliding sleeve spring is arranged between the sliding sleeve and the fixing ring, a stay cord fixing block is arranged on the sliding sleeve, the front end of the support rod is hinged to the rear end of a pressing plate, a rubber pressing strip is fixedly arranged at the front end of the pressing plate, a sliding rail is arranged at the back of the pressing plate, a, the other end of the pull rope is fixed on the pull rope fixing block.

Further, gasbag compression mechanism includes electric putter, gasbag clamp plate, 4 guide bars, 4 direction sliding sleeves, travel switch fixed plate, gasbag compression travel switch and push rod withdrawal travel switch that targets in place, electric putter uses bolt fixed mounting on the ring flange, electric putter's push rod uses bolt fastening at the back middle part of gasbag clamp plate, direction sliding sleeve fixed mounting is on the stull, and guide bar slidable mounting is in the direction sliding sleeve, the front end of guide bar is fixed on the gasbag clamp plate, travel switch fixed plate fixed mounting is on the stull, gasbag compression travel switch fixed mounting that targets in place is at the front end of travel switch fixed plate, push rod withdrawal travel switch fixed mounting is at the rear end of travel switch fixed plate.

When the paper taking button is pressed down, the paper taking button transmits an electric signal to the P L C, the P L C controls the motor to start, the transmission chain is driven to rotate clockwise, the large chain wheel and the rotating shaft are driven to rotate clockwise, the shaft sleeve, the supporting plate and the fixing plate are driven to rotate clockwise, meanwhile, the P L C controls the push rod of the electric push rod of the air bag compression mechanism to contract, the push rod of the electric push rod drives the air bag pressing plate and the guide rod to move backwards, when the guide rod touches the push rod retraction stroke switch and retracts the push rod into the push rod of the stroke switch to push back, the push rod retraction stroke switch gives an electric signal to the P L C, the P L C controls the electric push rod to stop moving, when the supporting plate and the fixing plate rotate to the horizontal position, the adsorption micropore plate is pasted on the hanging map and sucks the hanging map, the supporting plate pushes the push rod of the adsorption hanging map position stroke switch back, the adsorption hanging map position stroke switch gives an electric signal to the P L C, the P L C controls the motor to reverse rotation, the transmission chain drives the large chain to rotate anticlockwise, the large chain wheel and the rotating shaft to rotate anticlockwise, the rotating shaft drives the shaft to drive the shaft sleeve, the shaft, the supporting plate, the air bag pressing plate and the air bag pressing plate rotate anticlockwise, when the air bag pressing plate press the air bag pressing plate and the air bag pressing plate press the air bag pressing plate, the air bag pressing plate presses the air bag pressing plate, the air bag pressing plate presses the air bag pressing plate, the air bag pressing plate presses the air bag pressing plate, the air bag pressing plate, the air bag pressing plate pressing.

Further, the P L C model is Siemens S7-200, P L C 'S input termination has adsorbed wall map position travel switch, gets picture mechanism normal position travel switch, gets paper button, pine paper button, gasbag compression travel switch and push rod withdrawal travel switch that targets in place, P L C' S output termination has motor, electric putter and 4 unblock electro-magnets.

The utility model has the advantages that: when a movie and television guide professional goes on a class, the automation of displaying a plurality of wall maps according to each wall map is realized, the manual and complicated wall map fixing work is omitted, and the teaching efficiency and quality are greatly improved.

Drawings

Fig. 1 is a first schematic structural view of a movie and television guide professional wall map display device according to the present invention;

fig. 2 is a schematic structural view of a second hanging chart display device for film and television guide in the present invention;

fig. 3 is a third schematic structural view of a movie and television guide professional wall map display device according to the present invention;

fig. 4 is a schematic view of a partial structure of a device for displaying a hanging chart for video guide in the present invention;

fig. 5 is a schematic view of a partial structure of a movie and television guide professional wall map display device according to the present invention;

fig. 6 is a schematic view of a partial structure of a display device for a professional hanging chart for movie and television guide according to the present invention;

FIG. 7 is a schematic structural view of the rubber bladder of the present invention;

fig. 8 is a schematic view of a partial structure of the drawing-taking mechanism of the present invention;

fig. 9 is a schematic view of a partial structure of the rack of the present invention;

fig. 10 is a partial schematic structural view of the air bag compressing mechanism according to the present invention;

FIG. 11 is a partial enlarged view of FIG. 4A;

FIG. 12 is a partial enlarged view of FIG. 4B;

FIG. 13 is a partial enlarged view of FIG. 5C;

FIG. 14 is an enlarged partial view of FIG. 6D;

FIG. 15 is an enlarged partial view of FIG. 14E;

fig. 16 is a partial schematic view one of the clamping mechanism of the present invention;

fig. 17 is a partial schematic view of a second clamping mechanism according to the present invention;

fig. 18 is a partial schematic view three of the clamping mechanism of the present invention;

fig. 19 is a schematic structural diagram of a P L C circuit connection according to the present invention;

in the drawing, 1, a frame, 2, a hanging chart storage box, 3, a drawing taking mechanism, 4, a clamping mechanism, 5, an air bag compression mechanism, 11, a base, 12, a vertical block, 13, a support arm, 14, a cross support, 15, a vertical reinforcing plate, 16, a transverse reinforcing plate, 17, a flange plate, 21, a box body, 22, a spring fixing seat, 23, a push plate spring, 24, a push plate, 31, a motor, 32, a coupler, 33, a worm gear reducer, 34, a button box, 35, a rotating shaft seat, 36, a rotating shaft, 37, a small chain wheel, 38, a large chain wheel, 39, a transmission chain, 310, a support plate, 311, a fixing plate, 312, a negative pressure box body, 313, an adsorption micropore plate, 314, a rubber air bag 315, an adsorption hanging chart position travel switch, 316, a drawing taking mechanism in-position travel switch, 317, a shaft sleeve, 318, an air vent hole, 319, an air outlet hole, 320, a one-way valve, a clamping groove pressing strip, 321, an air bag opening pressing strip, 322, an air bag reset spring, a spring fixing sleeve, a push rod, a.

Detailed Description

The utility model discloses it is following to combine the attached drawing to describe specifically the utility model discloses, as shown according to fig. 1-19, a professional wall map display device is led to movie & TV, frame 1, wall map deposit case 2, get picture mechanism 3, chucking mechanism 4 and gasbag compressing mechanism 5, frame 1 includes base 11, support arm 13, stull 14 and flange dish 17, the box 21 that case 2 was deposited to the wall map is fixed on base 11, it fixes respectively on base 11 to get motor 31, shaft coupling 32, turbine worm reducer 33 and the rotation axle bed 35 of picture mechanism 3, the supporting shoe 41 and the unblock electro-magnet 47 of chucking mechanism 4 are fixed respectively on support arm 13, the direction sliding sleeve 54 fixed mounting of gasbag compressing mechanism 5 is on stull 14, the electric putter 51 fixed mounting flange dish 17 of gasbag compressing mechanism 5.

Wherein, frame 1 includes base 11, founds

piece

12, 2

support arms

13, 2

stull

14, 2 vertical

reinforcing plate

15, 2 horizontal reinforcing plate 16 and ring flange 17, base 11 is fixed subaerial, be fixed with on the base 11 and found piece 12, both ends are fixed with support arm 13 respectively about founding

piece

12, 2 fixed mounting has stull 14, 2 between the support arm 13 stull 14 sets up the upper end and the lower extreme at support arm 13 respectively, ring flange 17 sets up the centre at support arm 13 and stull 14, by horizontal reinforcing plate 16 fixed connection between ring flange 17 and the support arm 13, by vertical reinforcing plate 15 fixed connection between ring flange 17 and the stull 14.

Wherein, the wall map is deposited case 2 and is included

box

21, 2

spring fixing base

22, 2 push pedal spring 23 and push pedal 24, box 21 fixed mounting is on

base

11, 2 spring fixing base 22 fixed mounting in the bottom of box 21, fixed mounting has push pedal spring 23 in the spring fixing base 22, and the lower extreme at push pedal 24 is connected to push pedal spring 23's the other end, push pedal 24 slidable mounting is in box 21.

Wherein, get drawing mechanism 3 and include motor 31, shaft coupling 32, turbine worm reducer 33,

button box

34, 2 rotation axle bed 35, axis of rotation 36, little sprocket 37, big sprocket 38 and driving chain 39, backup pad 310,

fixed plate

311, 2

negative pressure box

312, 2 adsorb micropore board 313, rubber gasbag 314, adsorb wall map position travel switch 315, get drawing mechanism normal position travel switch 316 and axle sleeve 317, motor 31, turbine worm reducer 33 and rotation axle bed 35 are fixed respectively on base 11, motor 31 with turbine worm reducer 33 is by shaft coupling 32 shaft coupling, fixed mounting has little sprocket 37 on the output shaft of turbine worm reducer 33, axis of rotation 36 rotates and installs on 2 rotation axle bed 35, last fixed mounting of axis of rotation 36 has big sprocket 38 and axle sleeve 317, installs driving chain 39 between big sprocket 38 and the little sprocket 37, be fixed with the lower extreme of backup pad 310 on the axle sleeve 317, the upper end of backup pad 310 is fixed at the lower extreme of fixed plate 311, as shown in fig. 4, the left side of fixed plate 311 has rubber gasbag 314, the inner chamber 314 of rubber gasbag is provided with the fixed air bag 312, the inner chamber of air bag 312, the fixed box 312 is provided with the fixed box 312 and the fixed box 320 of roof spring, the roof bar air bag 320 fixed box 320, the fixed air bag 320, the fixed box 320, the roof bar air bag 320 is provided with the fixed air bag 320, the fixed air bag 320, the roof bar air bag 320, the fixed air bag open the fixed air bag, the air bag 320 open the fixed air bag, the handle, the air bag open the handle, the handle spring, the handle spring, the handle, the.

Wherein, the chucking mechanism 4 has 4 sets, 4 sets of chucking mechanisms 4 are all the same, 4 sets of the chucking mechanism 4 are distributed and fixed at two ends of 2 support arms 13, the chucking mechanism 4 comprises a supporting block 41, a fixed block 42, a clamping groove 43, a clamping pin 44, a clamping pin spring 45, a conical ejector rod 46, an unlocking electromagnet 47, a support rod 48, a fixed ring 49, a sliding sleeve spring 410, a sliding sleeve 411, a pulling rope fixed block 412, a pulling rope 413, a pressing plate 414, a rubber pressing strip 415, a spring leaf 416, a sliding rail 417, a sliding seat 418 and a cushion block 419, the rear end of the supporting block 41 and the unlocking electromagnet 47 are respectively fixed on the support arms 13, the supporting block 41 is fixed with the fixed block 42, the cushion block 42 is fixed with the cushion block 419, the cushion block 419 is fixed with a support rod limiting block 423, the fixed block 42 is provided with a through hole 420, the middle part, the rear end of the supporting rod 48 is provided with a tapered hole 421 and a clamping pin hole 422, the tapered hole 421 and the clamping pin hole 422 are communicated, the front end of a tapered ejector rod 46 is installed in the tapered hole 421, a clamping pin 44 is installed in the clamping groove 43 and the clamping pin hole 422, a clamping pin spring 45 is arranged between the clamping pin 44 and the inner wall of the through hole 420, one end of the clamping pin 44 is arranged in the clamping groove 43, the other end of the clamping pin 44 is propped against the thick rod of the tapered ejector rod 46, the rear end of the tapered ejector rod 46 is jointed with the push rod of the unlocking electromagnet 47, the supporting rod 48 is provided with a fixing ring 49, the supporting rod 48 is slidably provided with a sliding sleeve 411, a sliding sleeve spring 410 is arranged between the sliding sleeve 411 and the fixing ring 49, the sliding sleeve 411 is provided with a stay cord fixing block 412, the front end of the supporting rod 48 is hinged with the rear end of the pressing, a sliding seat 418 is slidably mounted on the sliding rail 417, one end of a pulling rope 413 is fixed on the sliding seat 418, the sliding seat 418 is hinged to one end of a spring piece 416, the other end of the spring piece 416 is fixed at the front end of the supporting block 41, and the other end of the pulling rope 413 is fixed on the pulling rope fixing block 412.

The air bag compression mechanism 5 comprises an electric push rod 51, an air

bag pressing plate

52, 4

guide rods

53, 4 guide sliding sleeves 54, a travel switch fixing plate 55, an air bag compression in-place travel switch 56 and a push rod retraction travel switch 57, wherein the electric push rod 51 is fixedly installed on the flange plate 17 through bolts, the push rod of the electric push rod 51 is fixedly installed in the middle of the rear face of the air bag pressing plate 52 through bolts, the guide sliding sleeves 54 are fixedly installed on the cross brace 14, the guide rods 53 are slidably installed in the guide sliding sleeves 54, the front ends of the guide rods 53 are fixed on the air bag pressing plate 52, the travel switch fixing plate 55 is fixedly installed on the cross brace 14, the air bag compression in-place travel switch 56 is fixedly installed at the front end of the travel switch fixing plate 55, and the push rod retraction travel switch 57 is fixedly installed at the rear end of.

In the initial state, as shown in fig. 1, the air bag pressing plate 52 is at the position where the rubber air bag 314 is compressed, the supporting plate 310 and the fixing plate 311 are in the vertical position, and the rubber pressing strip 415 of the chucking mechanism 4 presses on the adsorption micro-porous plate 313.

The utility model discloses in, when preparing to show the wall map, at first put the wall map in order, press push pedal 24 downwards, push pedal spring 23 is compressed, put the wall map into the push pedal 24 in box 21 on, push pedal spring 23 kick-backs behind the release hand, push pedal 24 and wall map can the rebound, as shown in fig. 1, the wall map top is at the top of the board of falling "L" of box 21, a wall map just gets the picture position in the top, when getting the picture mechanism and tak away this wall map away, under push pedal spring 23's elasticity effect, next wall map shifts up again and gets the picture position, like this when tak away a wall map away, next wall map rises to getting the picture position automatically.

When the paper release button 326 is pressed, the paper release button 326 gives an electric signal to the P L C327, the air bag pressure plate 414 is unlocked, the P L C327 controls the unlocking electromagnet 47 to be electrified, the push rod of the unlocking electromagnet 47 retracts, the push rod of the unlocking electromagnet 47 drives the conical ejector rod 46 to move leftward, the thin rod at the right end of the conical ejector rod 46 can be separated from the fine hole of the conical hole 421, as shown in FIGS. 11 and 15, under the action of the elastic force of the bayonet spring 45, the bayonet 44 is separated from the bayonet slot 43 and is abutted against the thin rod of the conical ejector rod 46, the support rod 48 is unlocked, under the action of the sliding sleeve spring 410, as shown in FIG. 14, the support rod 48 slides leftward, at this time, the support rod 48 can drive the hinge shaft on the pressure plate 414 to move leftward, the foremost end of the sliding sleeve 411 can be abutted against the pressure plate 414, and the pressure plate 414 rotates around the hinge shaft on the pressure plate 414 to the horizontal position counterclockwise, and after the unlocking electromagnet 47 is deenergized, the elastic force of the sliding sleeve spring 410.

The paper taking button 325 is pressed down, the paper taking button 325 transmits a paper taking electric signal to the P L C327 to start to take a hanging picture, the P L C327 controls the motor 31 to start, the worm reducer 33 drives the transmission chain 39 to rotate clockwise to drive the large chain wheel 38 and the rotating shaft 36 to rotate clockwise to drive the shaft sleeve 317, the supporting plate 310 and the fixing plate 311 to rotate clockwise, the P L C327 controls the electric push rod 51 to rotate reversely to retract the push rod of the electric push rod 51, the push rod of the electric push rod 51 drives the air bag press plate 52 and the guide rod 53 to move leftwards, when the guide rod 53 touches the push rod retraction stroke switch 57 and pushes back the push rod of the push rod retraction stroke switch 57, the push rod retraction stroke switch 57 gives an electric signal to the P L C327, the push rod of the electric push rod 51 retracts, and the P L.

From the foregoing, the fixing plate 311 rotates clockwise to leave the vertical position, and no longer presses the sliding sleeve 411, under the elastic force of the sliding sleeve spring 410, as shown in fig. 11 and 12, the sliding sleeve 411 slides rightwards to the rightmost end, the pull rope fixing block 412 slides rightwards to loosen the pull rope 413, the pull rope 413 loosens the sliding seat 418, the sliding seat 418 slides rightmost end under the action of the spring leaf 416, and meanwhile, under the elastic force of the spring leaf 416, the sliding seat 418 pushes the air bag pressing plate 414 rightwards to move rightwards, and the air bag pressing plate 414 drives the strut 48 to move right; the sliding sleeve 411 releases the elastic force of the sliding sleeve spring 410 while sliding rightward, under the elastic force action of the self spring of the unlocking electromagnet 47, the push rod of the unlocking electromagnet 47 is pushed out to push the conical ejector rod 46 and the support rod 48, when the fixing ring 49 is abutted to the support rod limiting block 423, the support rod 48 stops moving, the bayonet 44 reaches the position of the bayonet groove 43, under the outward pushing force action of the conical ejector rod 46 on the bayonet 44, the bayonet 44 enters the bayonet groove 43, and the bayonet spring 45 is compressed to enable the support rod 48 to return to the locking state.

When the fixing plate 311 drives the negative pressure box 312 and the rubber airbag 314 to rotate clockwise to take a hanging picture, the squashed rubber airbag 314 starts to recover under the elastic force of the airbag return spring 322, gas can only flow into the rubber airbag 314 from the adsorption micropore plate 313, the suction hole of the adsorption micropore plate 313 is small, the air inflow required by the recovery of the rubber airbag 314 is large, the recovery of the rubber airbag 314 is slow, when the negative pressure box 312 drives the adsorption micropore plate 313 to rotate to a horizontal position and stick to the hanging picture, the negative pressure suction force provided by the rubber airbag 314 for the negative pressure box 312 is enough to absorb the hanging picture, the hanging picture blocks the vent hole, and the negative pressure suction force changes slowly.

When the supporting plate 310 and the fixing plate 311 rotate to the horizontal position, the adsorption micro-hole plate 313 sticks the hanging chart and absorbs the hanging chart, the supporting plate 310 pushes back the push rod of the adsorption hanging chart position travel switch 315, the adsorption hanging chart position travel switch 315 gives an electric signal to the P L C327, the hanging chart is absorbed, the P L C327 controls the motor 31 to rotate reversely, the worm gear reducer 33 drives the transmission chain 39 to rotate anticlockwise, the large chain wheel 38 and the rotating shaft 36 are driven to rotate anticlockwise, and the shaft sleeve 317, the supporting plate 310 and the fixing plate 311 are driven to rotate anticlockwise.

When the supporting plate 310 and the fixing plate 311 rotate counterclockwise from the horizontal position to approach the vertical position, as shown in fig. 12 and 13, the fixing plate 311 contacts the sliding sleeve 411, the fixing plate 311 pushes the sliding sleeve 411 to slide leftward, the sliding sleeve spring 410 is compressed, the pull rope fixing block 412 on the sliding sleeve 411 pulls the pull rope 413, the pull rope 413 pulls the sliding base 418 to slide leftward, the sliding base 418 can bend the spring leaf 416 while sliding leftward, when the fixing plate 311 rotates to the vertical position, the rightmost end of the sliding sleeve 411 slides to the left of the hinge joint of the pressing plate 414, the left end of the sliding sleeve 411 abuts against the cushion block 419, under the elastic force of the spring leaf 416, the pressing plate 414 rotates clockwise around the hinge shaft on the pressing plate 414, the rubber pressing strip 415 fixed on the pressing plate 414 presses on the hanging map, and the 4 rubber pressing strips 415 can press.

When the supporting plate 310 and the fixing plate 311 rotate to the vertical position, the supporting plate 310 pushes back a push rod of a drawing mechanism home position travel switch 316, the drawing mechanism home position travel switch 316 gives an electric signal to P L C327, the drawing mechanism is reset, P L C327 controls the motor 31 to stop, after the motor 31 stops due to the self-locking function of the worm gear reducer 33, the supporting plate 310 and the fixing plate 311 are locked at the vertical position, P L C327 controls the push rod of the electric push rod 51 to push out, as shown in FIG. 1, the push rod of the electric push rod 51 pushes the air bag pressing plate 52 and the guide rod 53 to move rightwards, the air bag pressing plate 52 is pressed against the rubber air bag 314 and crushes the rubber air bag 314, when the guide rod 53 is separated from the air bag compression home position travel switch 56 and enables the air bag to compress the push rod of the home position travel switch 56 to extend out, the home position travel switch 56 gives an electric signal to P L C327, the air bag is gradually compressed, the air bag is controlled by P L C327 to stop, and the electric push rod 52 presses the air bag 322 in the air bag 314 to expand, and air flows out of the air bag from the air bag reset spring 318 through the microporous plate 318, and flows out of the.

When the wall map is to be taken down, the paper release button 326 is pressed, the paper release button 326 gives an electric signal to the P L C327, the air bag pressure plate 414 is unlocked, the P L C327 controls the unlocking electromagnet 47 to be powered, the push rod of the unlocking electromagnet 47 retracts, as shown in fig. 14 and 15, the push rod of the unlocking electromagnet 47 drives the conical ejector rod 46 to move leftwards, the thin rod at the front end of the conical push rod 46 is separated from the fine hole of the conical hole 421, the clamping pin 44 is separated from the clamping groove 43 and is abutted against the thin rod of the conical ejector rod 46 under the action of the elastic force of the clamping pin spring 45, the support rod 48 is unlocked, the support rod 48 slides leftwards under the action of the sliding sleeve spring 410, at this time, the support rod 48 drives the hinge shaft on the pressure plate 414 to move leftwards, the foremost end of the sliding sleeve 411 is abutted against the pressure plate 414, the pressure plate 414 rotates anticlockwise around the hinge shaft on the pressure plate.

The pick button 325 is then pressed to show the next wall up.

Claims

1. The utility model provides a professional wall map display device is led to movie & TV which characterized in that: deposit case (2), get picture mechanism (3), chucking mechanism (4) and gasbag compressing mechanism (5) including frame (1), wall map, frame (1) includes base (11), support arm (13) and flange dish (17), box (21) that the wall map was deposited case (2) are fixed on base (11), motor (31), turbine worm reducer (33) and rotation axle bed (35) of getting picture mechanism (3) are fixed on base (11), supporting shoe (41) and unblock electro-magnet (47) of chucking mechanism (4) are fixed on support arm (13), electric putter (51) fixed mounting of gasbag compressing mechanism (5) is on flange dish (17).

2. The movie and television guide professional wall map display device according to claim 1, characterized in that: frame (1) is still including founding piece (12), 2 stull (14), 2 vertical reinforcing plate (15) and 2 horizontal reinforcing plate (16), base (11) are fixed subaerial, be fixed with on base (11) and found piece (12), both ends are fixed with support arm (13) respectively about founding piece (12), 2 fixed mounting has stull (14), 2 between support arm (13) stull (14) set up upper end and lower extreme at support arm (13) respectively, ring flange (17) set up the centre at support arm (13) and stull (14), by horizontal reinforcing plate (16) fixed connection between ring flange (17) and support arm (13), by vertical reinforcing plate (15) fixed connection between ring flange (17) and stull (14).

3. The movie and television guide professional wall map display device according to claim 1, characterized in that: case (2) is deposited to wall map includes box (21), 2 spring fixing base (22), 2 push pedal spring (23) and push pedal (24), box (21) fixed mounting is on base (11), 2 spring fixing base (22) fixed mounting in the bottom of box (21), fixed mounting has push pedal spring (23) in spring fixing base (22), and the bottom surface in push pedal (24) is connected to the other end of push pedal spring (23), push pedal (24) slidable mounting is in box (21).

4. The movie and television guide professional wall map display device according to claim 1, characterized in that: the drawing taking mechanism (3) comprises a motor (31), a coupler (32), a worm gear and worm reducer (33), a button box (34), 2 rotating shaft seats (35), a rotating shaft (36), a small chain wheel (37), a large chain wheel (38), a transmission chain (39), a supporting plate (310), a fixing plate (311), 2 negative pressure box bodies (312), 2 adsorption micro-pore plates (313), a rubber air bag (314), an adsorption hanging picture position travel switch (315), a drawing taking mechanism in-situ travel switch (316) and a shaft sleeve (317), wherein the motor (31) and the worm gear and worm reducer (33) are connected through a shaft of the coupler (32), the small chain wheel (37) is fixedly installed on an output shaft of the worm gear and worm reducer (33), the rotating shaft (36) is rotatably installed on the 2 rotating shaft seats (35), the large chain wheel (38) and the shaft sleeve (317) are fixedly installed on the rotating shaft (36), the large chain wheel (38) is connected with the small chain wheel (37) through a transmission chain (39), the lower end of a supporting plate (310) is fixed on a shaft sleeve (317), the upper end of the supporting plate (310) is fixed at the lower end of a fixing plate (311), a rubber air bag (314) is fixed on one surface of the fixing plate (311), negative pressure box bodies (312) are respectively and fixedly installed at two ends of the other surface of the fixing plate (311), an adsorption micro-porous plate (313) is fixedly installed at an opening of each negative pressure box body (312), a vent hole (318) is arranged between each rubber air bag (314) and each negative pressure box body (312), a vent hole (318) is formed in the fixing plate (311) through each vent hole (319), a one-way valve (320) is arranged at the tail end of each vent hole (319), each one-way valve (320) is fixedly installed on the fixing plate (311), and an in-, the button box (34) is fixedly arranged on the vertical block (12), and the adsorption wall map position travel switch (315) is fixedly arranged at the top end of the outer wall of the box body (21).

5. The movie and television guide professional wall map display device according to claim 1, characterized in that: the clamping mechanism (4) is provided with 4 sets, 4 sets of the clamping mechanism (4) are the same, 4 sets of the clamping mechanism (4) are distributed and fixed at two ends of 2 support arms (13), the clamping mechanism (4) comprises a support block (41), a fixed block (42), a clamping groove (43), a clamping pin (44), a clamping pin spring (45), a conical ejector rod (46), an unlocking electromagnet (47), a support rod (48), a fixed ring (49), a sliding sleeve spring (410), a sliding sleeve (411), a pull rope fixed block (412), a pull rope (413), a pressing plate (414), a rubber pressing strip (415), a spring strip (416), a sliding rail (417), a sliding seat (418), a cushion block (419) and a support rod limiting block (423), the rear end of the support block (41) and the unlocking electromagnet (47) are respectively fixed on the support arms (13), and the support block (41) is, a cushion block (419) is fixed on the fixing block (42), a support rod limiting block (423) is fixed on the cushion block (419), a through hole (420) is formed in the fixing block (42), a clamping groove (43) is formed in the middle of the through hole (420), a rear section of a support rod (48) is slidably mounted in the through hole (420), a tapered hole (421) and a clamping pin hole (422) are formed in the rear end of the support rod (48), the tapered hole (421) and the clamping pin hole (422) are communicated, a front end of a conical ejector rod (46) is mounted in the tapered hole (421), a clamping pin (44) is mounted in the clamping pin hole (422), a clamping pin spring (45) is arranged between the clamping pin (44) and the inner wall of the through hole (420), one end of the clamping pin (44) is arranged in the clamping groove (43), the other end of the clamping pin (44) is abutted against a thick rod of the conical ejector rod (46), and the rear end of the conical ejector rod (46) is connected, be provided with solid fixed ring (49) on branch (48), slidable mounting has sliding sleeve (411) on branch (48), is provided with sliding sleeve spring (410) between sliding sleeve (411) and solid fixed ring (49), be provided with stay cord fixed block (412) on sliding sleeve (411), the front end of branch (48) articulates in the rear end of clamp plate (414), the front end fixed mounting of clamp plate (414) has rubber layering (415), the back of clamp plate (414) is provided with slide rail (417), and slidable mounting has slide (418) on slide rail (417), is fixed with the one end of stay cord (413) on slide (418), the one end of slide (418) articulated spring leaf (416), the front end at supporting shoe (41) is fixed to the other end of spring leaf (416), the other end at stay cord (413) is fixed at stay cord fixed block (412).

6. The movie and television guide professional wall map display device according to claim 1, characterized in that: the air bag compression mechanism (5) comprises an electric push rod (51), an air bag pressing plate (52), 4 guide rods (53), 4 guide sliding sleeves (54), a travel switch fixing plate (55), an air bag compression in-place travel switch (56) and a push rod retraction travel switch (57), wherein the electric push rod (51) is fixedly installed on a flange plate (17) through bolts, the push rod of the electric push rod (51) is fixedly fixed in the middle of the rear surface of the air bag pressing plate (52) through bolts, the guide sliding sleeves (54) are fixedly installed on a cross brace (14), the guide rods (53) are slidably installed in the guide sliding sleeves (54), the front ends of the guide rods (53) are fixed on the air bag pressing plate (52), the travel switch fixing plate (55) is fixedly installed on the cross brace (14), and the air bag compression in-place travel switch (56) is fixedly installed at the front end of the travel switch fixing plate (55), the push rod retraction travel switch (57) is fixedly arranged at the rear end of the travel switch fixing plate (55).