CN214093861U

CN214093861U - Movable display device

Info

Publication number: CN214093861U
Application number: CN202022456548.0U
Authority: CN
Inventors: 涂波
Original assignee: East China Jiaotong University
Current assignee: East China Jiaotong University
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-08-31
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses a movable display device, which comprises a cushion box, a curtain frame, a holographic projection box, a power line, a holographic projector, a contraction device and a fixing device, wherein the contraction device is arranged in the cushion box, after a worker moves the display device to a designated position, the worker turns on the motor, the output shaft of the motor rotates to drive the first bevel gear to rotate, the second bevel gear is meshed with the first bevel gear to rotate, meanwhile, the transmission rod is driven to rotate, and the transfer line rotates and drives the worm and rotate, makes worm wheel and worm mesh and rotate, drives the screw rod simultaneously and rotates, and the movable plate rotates and upwards moves through screw rod and fixed cylinder meshing, makes the pad case laminate in ground, has reached and has contracted the universal wheel to display device's more stable beneficial effect of placing on ground.

Description

Movable display device

Technical Field

The utility model relates to a display device technical field, concretely relates to movable display device.

Background

Current display device all adopts the universal wheel to remove, but the display device of great volume uses the stability that the universal wheel is unfavorable for display device, has leaded to the problem that display device rocked because of the nozzle, and is higher because of display device when the staff demolishs holographic projector, has leaded to the problem that the staff is not convenient installation and dismantlement holographic projector.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art not enough, a movable display device is provided at present, has solved current display device and has all adopted the universal wheel to remove, but the display device of great volume uses the universal wheel to be unfavorable for display device's stability, has leaded to the problem that display device rocked because of the nozzle, and is higher because of display device when the staff demolishs holographic projector, has leaded to the problem that the staff is not convenient installation and dismantlement holographic projector.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a movable display device, including filling up case, curtain frame, holographic projection case, power cord, holographic projector, constriction device and fixing device, it is provided with the curtain frame to fill up case top face, curtain frame top face is provided with holographic projection case, holographic projection case rear end face is provided with the power cord, the inside middle-end of holographic projection case is provided with holographic projector, it is provided with constriction device to fill up the incasement portion, the inside fixing device that is provided with of holographic projection case.

Further, the shrinking device comprises a fixing frame, a lifter, a motor box, a motor, a first bevel gear, a second bevel gear, a transmission rod, a worm wheel, a screw, a fixed cylinder, a movable plate, a fixed frame and a universal wheel, wherein the fixing frame is arranged at two ends of the inner wall of the cushion box, the lifter is arranged in the fixing frame, the motor box is arranged at the top end of the inner wall of the cushion box, the motor is arranged in the motor box, the first bevel gear is arranged on an output shaft of the motor, the second bevel gear is meshed with the first bevel gear to rotate, the transmission rod penetrates through the middle end of the second bevel gear, the worm is arranged at each of the left end and the right end of the transmission rod, the worm wheel is meshed with the worm to rotate, the screw penetrates through the middle end of the worm wheel, the fixed cylinder is arranged at, fixed frames are arranged at the left end and the right end of the top end face of the movable plate, and universal wheels are arranged on the bottom end face of the movable plate.

Further, fixing device comprises clamp splice, slide, slider, spout, pulley, stroke pole, sleeve and spring, holographic projection incasement portion downside middle-end is provided with the clamp splice, clamp splice right-hand member downside is provided with the slide, slide bottom face middle-end is provided with the slider, the slider carries out sliding connection along the spout inner wall, slider bottom face is provided with the pulley to the pulley carries out sliding connection along spout inner wall bottom, the slider right-hand member is provided with the stroke pole, the stroke pole carries out sliding connection along the sleeve inner wall, the sleeve is provided with the spring with the stroke pole surface.

Furthermore, the middle end of the lower side in the holographic projection box is provided with two fixing devices, one fixing device is located at the left end of the holographic projector, the other fixing device is located at the right end of the holographic projector, and the two fixing devices are identical in structure.

Furthermore, two fixed cylinders are arranged on the top end face of the moving plate and are conical, and the two fixed cylinders are provided with screws.

Furthermore, two the fixed frame is provided with the anchor strut, and the anchor strut is rectangle to the anchor strut bottom is provided with X shape gusset plate.

Furthermore, the inner wall surfaces of the two clamping blocks are provided with anti-slip pads, and anti-slip lines are arranged on the surfaces of the anti-slip pads.

Furthermore, the spring is in a normal state, the elastic force value of the spring is N, and the left end of the travel rod is provided with an installation block which is square.

Furthermore, the holographic projection box is made of break-up steel, so that the holographic projection box has an antirust and waterproof effect and a better heat conduction effect.

Furthermore, the clamp splice adopts ABS plastics material, makes the clamp splice have the fixed effect that frictional force is big better to and the quality is light, has better protective effect to holographic projector.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1) in order to solve the problem that the prior display device adopts universal wheels to move, but the universal wheels used by the display device with larger volume are not beneficial to the stability of the display device, so that the display device shakes due to the nozzle, by arranging the contraction device in the cushion box, after the display device is moved to a designated position by a worker, the worker turns on the motor, the output shaft of the motor rotates to drive the first bevel gear to rotate, the second bevel gear is meshed with the first bevel gear to rotate, meanwhile, the transmission rod is driven to rotate, and the transfer line rotates and drives the worm and rotate, makes worm wheel and worm mesh and rotate, drives the screw rod simultaneously and rotates, and the movable plate rotates and upwards moves through screw rod and fixed cylinder meshing, makes the pad case laminate in ground, has reached and has contracted the universal wheel to display device's more stable beneficial effect of placing on ground.

2) In order to solve the problem that the conventional display device is inconvenient for workers to conveniently mount and dismount the holographic projector due to the fact that the display device is high when the holographic projector needs to be dismounted by the workers, the fixing device is arranged inside the holographic projection box, when the workers need to dismount the holographic projector, the workers slide the clamping blocks outwards to enable the clamping blocks to push the sliding plates to move and drive the sliding blocks to slide along the inner wall of the sliding groove, the sliding blocks slide through the pulleys and push the stroke rods to contract along the inner wall of the sleeve simultaneously, the springs are pushed when the stroke rods slide along the inner wall of the sleeve, the springs are compressed under stress, the compressed springs generate elastic force, when the clamping blocks are opened by the workers, the holographic projector is taken out, the spring loses the elastic force to push the stroke rods to extend, the clamping blocks reset, and the holographic projector is fixed more conveniently, and the holographic projector can be quickly disassembled.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic front view of the structure of the present invention;

fig. 3 is a schematic front view of the retractor of the present invention;

fig. 4 is a schematic view of the top view of the worm gear of the present invention;

fig. 5 is a partially enlarged view of the area a of the present invention.

In the figure: the device comprises a cushion box-1, a curtain frame-2, a holographic projection box-3, a power line-4, a holographic projector-5, a shrinking device-6, a fixed frame-61, a lifter-62, a motor box-63, a motor-64, a first bevel gear-65, a second bevel gear-66, a transmission rod-67, a worm-68, a worm gear-69, a screw rod-610, a fixed cylinder-611, a moving plate-612, a fixed frame-613, a universal wheel-614, a fixed device-7, a clamping block-71, a sliding plate-72, a sliding block-73, a sliding groove-74, a pulley-75, a travel rod-76, a sleeve-77 and a spring-78.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides a movable display apparatus: including filling up case 1, curtain frame 2, holographic projection case 3, power cord 4 and holographic projector 5, its characterized in that still includes: the device comprises a contraction device 6 and a fixing device 7, wherein a screen frame 2 is arranged on the top end face of a pad box 1, a holographic projection box 3 is arranged on the top end face of the screen frame 2, a power line 4 is arranged on the rear end face of the holographic projection box 3, a holographic projector 5 is arranged at the middle end inside the holographic projection box 3, the contraction device 6 is arranged inside the pad box 1, and the fixing device 7 is arranged inside the holographic projection box 3.

Wherein, the shrinking device 6 is composed of a fixing frame 61, a lifter 62, a motor box 63, a motor 64, a first bevel gear 65, a second bevel gear 66, a transmission rod 67, a worm 68, a worm wheel 69, a screw 610, a fixed cylinder 611, a moving plate 612, a fixing frame 613 and a universal wheel 614, the fixing frame 61 is arranged at two ends of the inner wall of the pad box 1, the lifter 62 is arranged inside the fixing frame 61, the motor box 63 is arranged at the top end of the inner wall of the pad box 1, the motor 64 is arranged inside the motor box 63, the first bevel gear 65 is arranged on the output shaft of the motor 64, the second bevel gear 66 and the first bevel gear 65 are engaged and rotated, the transmission rod 67 penetrates through the middle end of the second bevel gear 66, the worm 68 is arranged at both left and right ends of the transmission rod 67, the worm wheel 69 and the worm 68 are engaged and rotated, the screw 610 penetrates through the middle end of the worm wheel 69, the fixed cylinder 611 is arranged at the lower side of the screw 610, the screw 610 is engaged and rotated along the inside of the fixed cylinder 611, a moving plate 612 is disposed on the bottom end surface of the fixed cylinder 611, fixed frames 613 are disposed on the left and right ends of the top end surface of the moving plate 612, and a universal wheel 614 is disposed on the bottom end surface of the moving plate 612.

Wherein, fixing device 7 comprises clamp splice 71, slide 72, slider 73, spout 74, pulley 75, stroke pole 76, sleeve 77 and spring 78, holographic projection box 3 inside downside middle-end is provided with clamp splice 71, clamp splice 71 right-hand member downside is provided with slide 72, slide 72 bottom terminal surface middle-end is provided with slider 73, slider 73 carries out sliding connection along spout 74 inner wall, slider 73 bottom terminal surface is provided with pulley 75 to pulley 75 carries out sliding connection along spout 74 inner wall bottom, slider 73 right-hand member is provided with stroke pole 76, stroke pole 76 carries out sliding connection along sleeve 77 inner wall, sleeve 77 and stroke pole 76 surface are provided with spring 78.

Wherein, 3 inside downside middle-ends of holographic projection case are provided with two fixing device 7, one is located 5 left ends of holographic projector, and another is located 5 right-hand members of holographic projector, and two fixing device 7 structure is unanimous, has better fixed effect to holographic projector 5.

The top end face of the moving plate 612 is provided with two fixed cylinders 611, the fixed cylinders 611 are conical, and the two fixed cylinders 611 are provided with screws 610, so that the display device has better supporting and balancing effects when the display device is moved in work.

Two of them fixed frame 613 is provided with the strengthening rod, and the strengthening rod is rectangle to the strengthening rod bottom is provided with X shape gusset plate, makes the movable plate have better stable effect.

The anti-slip pads are arranged on the surfaces of the inner walls of the two clamping blocks 71, and anti-slip lines are arranged on the surfaces of the anti-slip pads, so that the holographic projector is prevented from sliding when the holographic projector is fixed by the clamping blocks 71.

The spring 78 is in a normal state, the elastic force value of the spring 78 is 4N, the left end of the stroke rod 76 is provided with an installation block, and the installation block is square, so that the holographic projector has a better clamping and fixing effect.

The holographic projection box 3 is made of break-up steel, so that the holographic projection box has an antirust and waterproof effect and a better heat conduction effect.

The clamping block 71 is made of ABS plastic, so that the clamping block has a high friction force and a good fixing effect, and the holographic projector has a good protection effect due to light weight.

The spring 78 described in this patent is a mechanical part that works by using elasticity, and a part made of elastic material deforms under the action of external force and recovers to the original shape after the external force is removed, and is generally made of spring steel, and the types of springs are complex and various and mainly include a coil spring, a spiral spring, a plate spring, a special-shaped spring and the like according to shape division.

The working principle is as follows: the cushion box 1 is mainly placed on a horizontal ground, the curtain frame 2 can have better ornamental value on a displayed product, the holographic projection box 3 is mainly used for installing and fixing the holographic projector 5, the holographic projector 5 is mainly used for projecting and displaying a finished product, after a worker moves the display device to a specified position, the worker starts the motor 64, an output shaft of the motor 64 rotates to drive the first bevel gear 65 to rotate, the second bevel gear 66 is meshed with the first bevel gear 65 to rotate, the transmission rod 67 is driven to rotate, the transmission rod 67 rotates to drive the worm 68 to rotate, the worm wheel 69 is meshed with the worm 68 to rotate, the screw 610 is driven to rotate, the movable plate 612 is meshed with the fixed cylinder 611 through the screw 610 to rotate and move upwards, the cushion box 1 is attached to the ground, the universal wheel 614 is retracted, and the display device is more stably placed on the ground, when the holographic projector 5 needs to be removed, a worker can open the lifter 62 through remote control, the lifter 62 lifts the display device, then the motor 64 is started, the universal wheel 614 is placed on the ground, then the lifter 62 is closed to move the display device, when the worker needs to remove the holographic projector 5, the worker slides the clamping block 71 outwards, the clamping block 71 pushes the sliding plate 72 to move, meanwhile, the sliding block 73 is driven to slide along the inner wall of the sliding groove 74, the sliding block 73 slides through the pulley 75, the sliding block 73 pushes the stroke rod 76 to contract along the inner wall of the sleeve 77, the stroke rod 76 pushes the spring 78 when sliding along the inner wall of the sleeve 77, the spring 78 is stressed to be compressed, the compressed spring 78 generates elastic force, when the worker opens the clamping block 71, the holographic projector 5 is taken out, the spring 78 loses the elastic force to push the stroke rod 76 to extend, the clamp blocks 71 are reset, so that the holographic projector 5 is fixed conveniently and fast, and the holographic projector 5 is detached fast.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a movable display device, includes pad case (1), curtain frame (2), holographic projection case (3), power cord (4) and holographic projector (5), its characterized in that still includes: constriction device (6) and fixing device (7), it is provided with curtain frame (2) to fill up case (1) top terminal surface, curtain frame (2) top terminal surface is provided with holographic projection case (3), holographic projection case (3) rear end face is provided with power cord (4), holographic projection case (3) inside middle-end is provided with holographic projector (5), fill up inside constriction device (6) that is provided with of case (1), holographic projection case (3) inside is provided with fixing device (7).

2. A portable display apparatus as claimed in claim 1, wherein: the shrinking device (6) consists of a fixing frame (61), a lifter (62), a motor box (63), a motor (64), a first bevel gear (65), a second bevel gear (66), a transmission rod (67), a worm (68), a worm wheel (69), a screw (610), a fixed cylinder (611), a moving plate (612), a fixed frame (613) and a universal wheel (614), wherein the fixing frame (61) is arranged at two ends of the inner wall of the cushion box (1), the lifter (62) is arranged inside the fixing frame (61), the motor box (63) is arranged at the top end of the inner wall of the cushion box (1), the motor (64) is arranged inside the motor box (63), the first bevel gear (65) is arranged on an output shaft of the motor (64), the second bevel gear (66) is meshed with the first bevel gear (65) to rotate, and the transmission rod (67) penetrates through the middle end of the second bevel gear (66), both ends all are provided with worm (68) about transfer line (67), worm wheel (69) and worm (68) mesh and rotate, screw rod (610) run through in worm wheel (69) middle-end, screw rod (610) downside is provided with solid fixed cylinder (611) to screw rod (610) along solid fixed cylinder (611) inside mesh and rotate, gu fixed cylinder (611) bottom face is provided with movable plate (612), both ends all are provided with fixed frame (613) about movable plate (612) top end face, movable plate (612) bottom end face is provided with universal wheel (614).

3. A portable display apparatus as claimed in claim 1, wherein: the fixing device (7) consists of a clamping block (71), a sliding plate (72), a sliding block (73), a sliding groove (74), a pulley (75), a stroke rod (76), a sleeve (77) and a spring (78), a clamping block (71) is arranged at the middle end of the lower side in the holographic projection box (3), a sliding plate (72) is arranged on the lower side of the right end of the clamping block (71), a sliding block (73) is arranged at the middle end of the bottom end surface of the sliding plate (72), the sliding block (73) is connected with the inner wall of the sliding groove (74) in a sliding way, the bottom end surface of the sliding block (73) is provided with a pulley (75), the pulley (75) is connected with the bottom end of the inner wall of the sliding chute (74) in a sliding way, the right end of the sliding block (73) is provided with a stroke rod (76), the stroke rod (76) is connected with the inner wall of the sleeve (77) in a sliding mode, and a spring (78) is arranged on the surfaces of the sleeve (77) and the stroke rod (76).

4. A portable display apparatus as claimed in claim 1, wherein: the middle end of the lower side in the holographic projection box (3) is provided with two fixing devices (7), one fixing device is located at the left end of the holographic projector (5), the other fixing device is located at the right end of the holographic projector (5), and the two fixing devices (7) are identical in structure.

5. A portable display apparatus as claimed in claim 2, wherein: the top end face of the moving plate (612) is provided with two fixed cylinders (611), the fixed cylinders (611) are conical, and the two fixed cylinders (611) are provided with screws (610).

6. A portable display apparatus as claimed in claim 2, wherein: two the fixed frame (613) is provided with the stiffening rod, and the stiffening rod is rectangle to the stiffening rod bottom is provided with X shape gusset plate.

7. A portable display apparatus as claimed in claim 3, wherein: and anti-slip pads are arranged on the inner wall surfaces of the two clamping blocks (71), and anti-slip lines are arranged on the surfaces of the anti-slip pads.

8. A portable display apparatus as claimed in claim 3, wherein: the spring (78) is in a normal state, the elastic force value of the spring (78) is 4N, and the left end of the stroke rod (76) is provided with a mounting block which is square.