CN111179781A

CN111179781A - Display device for urban and rural planning and use method thereof

Info

Publication number: CN111179781A
Application number: CN201911350510.0A
Authority: CN
Inventors: 杨文正; 孙伟
Original assignee: Individual
Current assignee: Luoyang Urban Planning & Architecture Design Research Institute Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-05-19
Anticipated expiration: 2039-12-24
Also published as: CN111179781B

Abstract

The invention relates to the technical field of urban and rural planning design, in particular to a display device for urban and rural planning, which comprises a main body structure and a fixing mechanism, and also relates to a using method of the display device for urban and rural planning, which comprises five using steps. The display device has the advantages of large display area, high utilization rate, good practicability, suitability for displaying the cylindrical canvas with the urban and rural planning drawings printed on the surfaces of the cylindrical canvas with different specifications, good display effect, capability of realizing the cyclic and dynamic display of the urban and rural planning drawings on the surface of the cylindrical canvas, convenient installation, stable installation after installation, low possibility of tilting, capability of effectively reducing the maintenance cost, capability of utilizing solar power generation to supply power for the display device, effective utilization of new energy, energy conservation and environmental protection.

Description

Display device for urban and rural planning and use method thereof

Technical Field

The invention relates to the technical field of urban and rural planning and design, in particular to a display device for urban and rural planning and a using method thereof.

Background

Urban and rural planning is that governments at all levels utilize the existing map, satellite map to combine reality to develop and manage historical current situation, generally indicates overall arrangement urban planning and rural traffic living fire-fighting greening, production living environment construction, development spatial layout, promotion grade, reasonable saving and utilization natural resources, protection ecology and natural environment. The important basis for maintaining social fairness and fairness has the attribute of an important public policy.

The urban and rural planning drawings are generally displayed by adopting a display device for people to read, however, the display device for urban and rural planning in the prior art has smaller display area, lower utilization rate and poor practicability, cannot be suitable for displaying cylindrical canvas with different specifications and sizes printed with urban and rural planning drawings on the surface, and cannot dynamically display the urban and rural planning drawings on the surface of the cylindrical canvas in a circulating manner, so that the display effect is poor; secondly, the display device for urban and rural planning in the prior art is troublesome to install, unstable after installation and easy to tilt, so that the maintenance cost is high, solar power generation cannot be utilized to supply power for the display device, new energy cannot be utilized, and the display device has no energy-saving and environment-friendly effects; in addition, the use method of the display device for urban and rural planning in the prior art has unreasonable steps and complicated operation, so that the disassembly and assembly efficiency is low when the cylindrical canvas with the urban and rural planning drawings printed on the surface is replaced.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a display device for urban and rural planning, the display area is large, the utilization rate is high, the practicability is good, the display device is suitable for displaying cylindrical canvas with urban and rural planning drawings printed on the surfaces of different specifications and sizes, the display effect is good, the urban and rural planning drawings on the surfaces of the cylindrical canvas can be displayed circularly and dynamically, the installation is convenient, the display device is stable after being installed and is not easy to incline, the maintenance cost can be effectively reduced, the solar power generation can be used for supplying power to the display device, new energy is effectively utilized, the use method of the display device for urban and rural planning has the advantages of energy saving and environmental protection, the steps are reasonable, the operation is simple, the disassembly and assembly efficiency during replacing the cylindrical canvas with the urban and rural planning drawings printed on the surface can be effectively improved, and the problems in the background technology are solved.

In order to achieve the purpose, the invention provides the following technical scheme:

a display device for urban and rural planning comprises a main body structure, wherein the main body structure comprises a square frame, transparent plastic plates are embedded into two side surfaces of the square frame, two ends of the square frame are both of an open structure, and a fixing mechanism is arranged inside the square frame;

the fixing mechanism comprises a vertical plate, a first supporting rod, a second supporting rod, a first sleeve, a second sleeve, a first supporting roller, a second supporting roller and two groups of elastic pull rod assemblies, the vertical plate is vertically and fixedly arranged inside one end of the square frame, the first supporting rod is horizontally and fixedly arranged on one side face of the vertical plate, the first supporting rod is positioned inside the square frame, one end of the second supporting rod is matched with the sliding groove through a sliding block and a stop block and is in sliding connection with the sliding groove, the other end of the second supporting rod horizontally extends into the square frame, the sliding groove is vertically arranged on the vertical plate, the first sleeve is movably sleeved outside the first supporting rod, the second sleeve is movably sleeved outside the second supporting rod, and the first supporting roller is fixedly sleeved outside the first sleeve, the second supporting roller is fixedly sleeved outside the second sleeve, and the two groups of elastic pull rod assemblies are symmetrically and vertically arranged between the first supporting rod and the second supporting rod.

Further, every group the elastic pull rod subassembly all includes outer tube, spring, guide block, end cover and interior pole, the bottom of outer tube through first annular sliding sleeve with first bracing piece swing joint, the spring mounting be in the inside bottom of outer tube, guide block slidable mounting be in the inside of outer tube, just the bottom of guide block with the upper end of spring is inconsistent, end cover fixed mounting be in the upper end tip of outer tube, interior pole movable mounting be in the central point of end cover puts the department, just the bottom of interior pole with the upper portion central point of guide block puts department fixed connection, the upper end of interior pole through second annular sliding sleeve with second bracing piece swing joint.

Furthermore, two first annular gaps used for accommodating the first annular sliding sleeve are symmetrically formed in the first supporting roller, and two second annular gaps used for accommodating the second annular sliding sleeve are symmetrically formed in the second supporting roller.

Further, two still fix and install the diaphragm horizontally between the outer tube, there is the motor bottom of diaphragm through connecting seat fixed mounting, the axis of rotation tip fixed mounting of motor has the action wheel, the action wheel with first supporting roller transmission is connected.

Furthermore, one of them is close to the riser the side of outer tube is improved level and is installed the connecting rod fixedly, the connecting rod orientation the riser sets up, just the connecting rod orientation the one end tip fixed mounting of riser has the stop collar, the stop collar is kept away from the one end of connecting rod is activity suit still on the gag lever post, the gag lever post level is just installed fixedly on a side of riser, the gag lever post is located square frame's inside, just the gag lever post is kept away from the one end tip of riser is fixed mounting still has the stopper.

Furthermore, a first side cover is fixedly mounted at one end part of the square frame, which is close to the vertical plate, a second side cover is hinged to the other end part of the square frame through a hinge, and a lock is fixedly mounted on the second side cover, which is close to the middle part of the second side cover.

Furthermore, the bottom of the square frame is also fixedly and vertically provided with two upright posts, the two upright posts are symmetrically arranged, and the bottom ends of the two upright posts are fixedly provided with assembling seats.

Further, square frame's top fixed mounting has the shielding plate, just square frame's bottom fixed mounting has the box, the upper portion fixed mounting of shielding plate has solar cell panel, the inside fixed mounting of box has battery and time switch, the battery pass through the wire respectively with solar cell panel with motor electric connection, time switch concatenates the battery with between the motor.

Further, the outside of first backing roll is close to its both ends fixed mounting and is had two first annular convex rings, the outside of second backing roll is close to its both ends fixed mounting and is had two second annular convex rings, two second annular convex ring and two first annular convex ring is the symmetry setting.

The invention also provides a using method of the display device for urban and rural planning, which comprises the following steps:

the device is fixedly installed at an urban and rural planned installation position through an assembly seat, and the device is ensured to be exposed to the sun, so that a solar panel can conveniently utilize sunlight to generate electricity to charge a storage battery;

step two, the lockset is opened through a key, the second side cover is opened, and then the fixing mechanism is pulled out from the inside of the square frame;

pressing the second supporting roller downwards towards the first supporting roller, sleeving the cylindrical canvas with the urban and rural planning drawings printed on the surface outside the first supporting roller and the second supporting roller, slowly loosening the second supporting roller, and meanwhile ensuring that the bottom of the cylindrical canvas is positioned between the two first annular convex rings and the upper part of the cylindrical canvas is positioned between the two second annular convex rings;

pushing the fixing mechanism into the square frame, closing the second side cover and locking the lockset by using a key;

and fifthly, supplying power to the motor by using the storage battery, controlling the motor to work by using the timing switch, and driving the first support roller to rotate by using the motor so as to drive the cylindrical canvas with the urban and rural planning drawings printed on the surface to rotate for people to read the urban and rural planning drawings.

In summary, the invention mainly has the following beneficial effects:

1. according to the invention, the transparent plastic plates are embedded on the two side surfaces of the square frame, so that people can read urban and rural planning drawings through the two side surfaces of the square frame, and the display device has a large display area and a high utilization rate;

2. in the invention, the fixing mechanism consists of a vertical plate, a first supporting rod, a second supporting rod, a first sleeve, a second sleeve, a first supporting roller, a second supporting roller and two groups of elastic pull rod assemblies, under the action of the first support rod and the second support rod, the first sleeve, the second sleeve, the first support roller, the second support roller and the two groups of elastic pull rod assemblies can be pulled to the outside of the square frame, so that the cylindrical canvas with the urban and rural planning drawings printed on the surface is conveniently sleeved outside the first supporting roller and the second supporting roller, simultaneously, under the action of the two groups of elastic pull rod assemblies, the distance between the first supporting roller and the second supporting roller can be adjusted, therefore, the display device can be suitable for displaying cylindrical canvas with different specifications and sizes and surfaces printed with urban and rural planning drawings, and the display device has better practicability;

3. according to the invention, the transverse plate is fixedly and horizontally arranged between the two outer tubes, the motor is fixedly arranged at the bottom of the transverse plate through the connecting seat, the driving wheel is fixedly arranged at the end part of the rotating shaft of the motor, and the driving wheel is in transmission connection with the first supporting roller, so that the motor can be used for driving the first supporting roller to drive the second supporting roller and the cylindrical canvas with the urban and rural planning drawings printed on the surface to rotate, thereby realizing the circular and dynamic display of the urban and rural planning drawings on the surface of the cylindrical canvas, and further ensuring that the display effect of the display device is better;

4. according to the invention, the two upright posts are fixedly and vertically arranged at the bottom of the square frame, the two upright posts are symmetrically arranged, and the assembling seats are fixedly arranged at the bottom ends of the two upright posts, so that the display device is convenient to install, stable after installation and not easy to tilt, and the maintenance cost can be effectively reduced;

5. according to the invention, the shielding plate is fixedly arranged at the top of the square frame, the box body is fixedly arranged at the bottom of the square frame, the solar cell panel is fixedly arranged at the upper part of the shielding plate, the storage battery and the timing switch are fixedly arranged in the box body, the storage battery is respectively and electrically connected with the solar cell panel and the motor through wires, and the timing switch is connected between the storage battery and the motor in series, so that the display device can utilize solar power generation to supply power for the display device, new energy is effectively utilized, the display device has the effects of energy saving and environmental protection, and meanwhile, the timing switch is utilized to control the motor to work, so that the display device can automatically work, and the labor use cost is effectively reduced;

6. the use method of the display device for urban and rural planning, provided by the invention, has the advantages of reasonable steps and simplicity in operation, and can effectively improve the dismounting efficiency when replacing the cylindrical canvas with the urban and rural planning drawings printed on the surface.

Drawings

Fig. 1 is a schematic structural diagram of a display device for urban and rural planning according to an embodiment;

FIG. 2 is a schematic view of another perspective of a display device for urban and rural planning according to an embodiment;

fig. 3 is a schematic diagram of a local explosion structure of a display device for urban and rural planning according to an embodiment;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;

FIG. 5 is a schematic view of a partial structure of a display device for urban and rural planning according to an embodiment;

FIG. 6 is a partial cross-sectional structural view of FIG. 5;

FIG. 7 is an enlarged view of the structure at B in FIG. 6;

FIG. 8 is a schematic structural view of one embodiment of a securing mechanism;

FIG. 9 is an exploded view of one embodiment securing mechanism;

FIG. 10 is an enlarged view of the structure of FIG. 9 at C;

FIG. 11 is an exploded view of one embodiment of a tension spring assembly;

FIG. 12 is a schematic view of an assembled structure of a case, a battery, and a timer switch according to an embodiment.

In the figure: 1. a body structure; 2. a fixing mechanism; 3. a square frame; 4. a transparent plastic plate; 5. a second side cover; 6. a first side cover; 7. a shielding plate; 8. a solar panel; 9. a box body; 10. a column; 11. assembling a base; 12. a hinge; 13. a lock; 14. a vertical plate; 15. a chute; 16. a stopper; 17. a first support bar; 18. a first sleeve; 19. a first support roller; 20. a second support bar; 21. a second sleeve; 22. a second support roller; 23. a first annular convex ring; 24. a second annular convex ring; 25. a motor; 26. a driving wheel; 27. a transverse plate; 28. a connecting seat; 29. a limiting rod; 30. a limiting block; 31. a connecting rod; 32. a limiting sleeve; 33. an elastic pull rod assembly; 34. a slider; 35. a first annular sliding sleeve; 36. an outer tube; 37. a spring; 38. a guide block; 39. an end cap; 40. an inner rod; 41. a second annular sliding sleeve; 42. a storage battery; 43. and (5) timing switching.

Detailed Description

The present invention is described in further detail below with reference to figures 1-12.

Examples

A display device for urban and rural planning is shown in figures 1-3, 5 and 6 and comprises a main body structure 1, wherein the main body structure 1 comprises a square frame 3, transparent plastic plates 4 are embedded on two side surfaces of the square frame 3, two ends of the square frame 3 are both of an open structure, and a fixing mechanism 2 is arranged inside the square frame 3;

as shown in fig. 5-6 and 8-10, the fixing mechanism 2 includes a vertical plate 14, a first support rod 17, a second support rod 20, a first sleeve 18, a second sleeve 21, a first support roller 19, a second support roller 22, and two sets of elastic pull rod assemblies 33, the vertical plate 14 is vertically and fixedly installed inside one end of the square frame 3, the first support rod 17 is horizontally and fixedly installed on one side surface of the vertical plate 14, the first support rod 17 is located inside the square frame 3, one end of the second support rod 20 is matched with the sliding groove 15 through a slider 34 and a stopper 16 to be slidably connected, the other end of the second support rod 20 horizontally extends into the square frame 3, the sliding groove 15 is vertically opened on the vertical plate 14, the first sleeve 18 is movably sleeved outside the first support rod 17, second sleeve pipe 21 activity suit is in the outside of second bracing piece 20, the fixed suit of first backup roller 19 is in the outside of first sleeve pipe 18, the fixed suit of second backup roller 22 is in the outside of second sleeve pipe 21, two sets of elasticity pull rod subassembly 33 symmetry and install vertically first bracing piece 17 with between the second bracing piece 20.

By adopting the technical scheme, the main body structure 1 is used as an installation base structure of the display device, and the fixing mechanism 2 is used for installing and fixing the cylindrical canvas with the urban and rural planning drawings printed on the surface; the transparent plastic plates 4 are embedded on the two side surfaces of the square frame 3, so that people can read urban and rural planning drawings through the two side surfaces of the square frame 3, and the display device has larger display area and high utilization rate; the fixing mechanism 2 is composed of a vertical plate 14, a first supporting rod 17, a second supporting rod 20, a first sleeve 18, a second sleeve 21, a first supporting roller 19, a second supporting roller 22 and two groups of elastic pull rod assemblies 33, under the action of the first supporting rod 17 and the second supporting rod 20, the first sleeve 18, the second sleeve 21, the first supporting roller 19, the second supporting roller 22 and the two groups of elastic pull rod assemblies 33 can be pulled to the outside of the square frame 3, so that a cylindrical canvas with urban and rural planning drawings printed on the surface can be conveniently sleeved on the outside of the first supporting roller 19 and the second supporting roller 22, and under the action of the two groups of elastic pull rod assemblies 33, the distance between the first supporting roller 19 and the second supporting roller 22 can be adjusted, so that the display device can be suitable for displaying cylindrical canvases with urban and rural planning drawings printed on the surfaces of different specifications, thereby the display device has better practicability.

Preferably, as shown in fig. 6, 8, 9 and 11, each set of the resilient lever assembly 33 includes an outer tube 36, a spring 37, a guide block 38, an end cap 39 and an inner rod 40, the bottom end of the outer tube 36 is movably connected to the first support rod 17 through a first annular sliding sleeve 35, the spring 37 is installed at the bottom inside the outer tube 36, the guide block 38 is slidably installed inside the outer tube 36, the bottom of the guide block 38 abuts against the upper end of the spring 37, the end cap 39 is fixedly installed at the upper end of the outer tube 36, the inner rod 40 is movably installed at the center of the end cap 39, the bottom end of the inner rod 40 is fixedly connected to the center of the upper portion of the guide block 38, and the upper end of the inner rod 40 is movably connected to the second support rod 20 through a second annular sliding sleeve 41.

By adopting the technical scheme, the elastic pull rod assembly 33 has elastic shrinkage performance under the mutual matching of the outer tube 36, the spring 37, the guide block 38, the end cover 39 and the inner rod 40, and further the purpose of adjusting the distance between the first supporting roller 19 and the second supporting roller 22 is achieved.

Preferably, as shown in fig. 8, two first annular notches for accommodating the first annular sliding sleeve 35 are symmetrically formed on the first supporting roller 19, and two second annular notches for accommodating the second annular sliding sleeve 41 are symmetrically formed on the second supporting roller 22.

Through adopting above-mentioned technical scheme, seting up first annular sliding sleeve 35 of easy to assemble and second annular sliding sleeve 41 of first annular breach and second annular breach, can guarantee like this that elastic pull rod subassembly 33 can not rotate along with first backing roll 19 rotates, and then avoid elastic pull rod subassembly 33 to burst the cylindric canvas that the suit has city and countryside planning drawing on the outside surface printing of first backing roll 19 and second backing roll 22.

Preferably, as shown in fig. 8, a transverse plate 27 is further fixedly and horizontally installed between the two outer tubes 36, a motor 25 is fixedly installed at the bottom of the transverse plate 27 through a connecting seat 28, a driving wheel 26 is fixedly installed at an end of a rotating shaft of the motor 25, and the driving wheel 26 is in transmission connection with the first supporting roller 19.

Through adopting above-mentioned technical scheme, usable motor 25 drive first backing roll 19 drives second backing roll 22 and the surface printing has the cylindric canvas of town and country planning drawing to rotate to realize that the circulation developments show cylindric canvas is on the surface the town and country planning drawing, and then make this display device's bandwagon effect better.

Preferably, as shown in fig. 6 and 7, a connecting rod 31 is horizontally and fixedly installed on a side surface of the outer tube 36 close to the vertical plate 14, the connecting rod 31 is disposed toward the vertical plate 14, a limiting sleeve 32 is fixedly installed on an end portion of the connecting rod 31 facing the vertical plate 14, one end of the limiting sleeve 32 far away from the connecting rod 31 is movably sleeved on a limiting rod 29, the limiting rod 29 is horizontally and fixedly installed on a side surface of the vertical plate 14, the limiting rod 29 is located inside the square frame 3, and a limiting block 30 is fixedly installed on an end portion of the limiting rod 29 far away from the vertical plate 14.

By adopting the above technical scheme, under the synergistic effect of the connecting rod 31, the limiting sleeve 32, the limiting rod 29 and the limiting block 30, the first sleeve 18 can be prevented from being completely separated from the first supporting rod 17 and the second sleeve 21 can be prevented from being completely separated from the second supporting rod 20 when the first sleeve 18, the second sleeve 21, the first supporting roller 19, the second supporting roller 22 and the two groups of elastic pull rod assemblies 33 can be pulled to the outside of the square frame 3, so that the display device is relatively stable in structure and not easy to be scattered.

Preferably, as shown in fig. 2 to 4, a first side cover 6 is fixedly installed at one end of the square frame 3 adjacent to the vertical plate 14, and a second side cover 5 is hinged to the other end of the square frame 3 through a hinge 12, and a lock 13 is also fixedly installed on the second side cover 5 near the middle thereof.

Through adopting above-mentioned technical scheme, first side cover 6 can prevent that the inside part of square frame 3 from drenching the inside part of square frame 3 through the inside that spout 15 got into square frame 3, can avoid the inside part of square frame 3 to damage, and second side cover 5 and tool to lock 13 cooperate and can seal the other end tip of square frame 3, can prevent that non-staff from destroying the inside part of square frame 3.

Preferably, as shown in fig. 1, two upright posts 10 are further fixedly and vertically mounted at the bottom of the square frame 3, the two upright posts 10 are symmetrically arranged, and the bottom ends of the two upright posts 10 are both fixedly mounted with an assembling seat 11.

By adopting the technical scheme, the display device is convenient to install, stable after installation, not prone to tilting and capable of effectively reducing maintenance cost.

Preferably, as shown in fig. 1 and 12, a shielding plate 7 is fixedly installed at the top of the square frame 3, a box 9 is fixedly installed at the bottom of the square frame 3, a solar cell panel 8 is fixedly installed at the upper portion of the shielding plate 7, a storage battery 42 and a timing switch 43 are fixedly installed inside the box 9, the storage battery 42 is electrically connected with the solar cell panel 8 and the motor 25 through wires, respectively, and the timing switch 43 is connected in series between the storage battery 42 and the motor 25.

Through adopting above-mentioned technical scheme, shielding plate 7 is used for sheltering from sleet and preventing the sun insolate for square frame 3, improve this display device's sleet-resistant weather performance, and reduce this display device's ageing speed, solar cell panel 8 and battery 42 cooperate and make the usable solar energy power generation of this display device be self power supply, effectively utilize the new forms of energy, possess energy-concerving and environment-protective utility, utilize timing switch 43 control motor 25 work simultaneously, make this display device can automatic work, thereby effectively reduce the human use cost.

Preferably, two first annular convex rings 23 are fixedly installed on the outer portion of the first supporting roller 19 adjacent to the two ends thereof, two second annular convex rings 24 are fixedly installed on the outer portion of the second supporting roller 22 adjacent to the two ends thereof, and the two second annular convex rings 24 and the two first annular convex rings 23 are symmetrically arranged.

Through adopting above-mentioned technical scheme, two first annular convex rings 23 and two second annular convex rings 24 cooperate and are used for restricting the position that the surface printing of suit outside first backing roll 19 and second backing roll 22 has cylindric canvas of urban and rural planning picture, can prevent that the canvas from deviating first backing roll 19 and second backing roll 22 at the pivoted in-process to guarantee that the canvas can be just against transparent plastic slab 4 on the both sides face of square frame 3, in order to guarantee that the show content can be seen by people.

step one, the device is fixedly installed at an urban and rural planned installation position through an assembly seat 11, and the device is ensured to be exposed to the sun, so that a solar panel 8 can utilize sunlight to generate electricity to charge a storage battery 42;

step two, the lockset 13 is opened through a key, the second side cover 5 is opened, and then the fixing mechanism 2 is pulled out from the inside of the square frame 3;

step three, pressing the second supporting roller 22 downwards towards the first supporting roller 19, sleeving a cylindrical canvas with an urban and rural planning drawing printed on the surface outside the first supporting roller 19 and the second supporting roller 22, slowly loosening the second supporting roller 22, and simultaneously ensuring that the bottom of the cylindrical canvas is positioned between the two first annular convex rings 23 and the upper part of the cylindrical canvas is positioned between the two second annular convex rings 24;

step four, pushing the fixing mechanism 2 into the square frame 3, closing the second side cover 5 and locking the lockset 13 by using a key;

and fifthly, supplying power to the motor 25 by using the storage battery 42, controlling the motor 25 to work by using the timing switch 43, and driving the first supporting roller 19 to rotate by the motor 25 so as to drive the cylindrical canvas with the urban and rural planning drawings printed on the surface to rotate, so that people can read the urban and rural planning drawings.

By adopting the technical scheme, the application method of the display device for urban and rural planning is reasonable in steps and simple to operate, and the dismounting efficiency during replacement of the cylindrical canvas printed with the urban and rural planning drawings on the surface can be effectively improved.

It should be noted that, in the present embodiment, a certain damping force exists between the first sleeve 18 and the first support rod 17, and a certain damping force also exists between the second sleeve 21 and the second support rod 20, and the damping force can be determined according to the force when the first sleeve 18, the second sleeve 21, the first support roller 19, the second support roller 22 and the two sets of elastic pull rod assemblies 33 are pulled, so as to prevent the first sleeve 18, the second sleeve 21, the first support roller 19, the second support roller 22 and the two sets of elastic pull rod assemblies 33 from moving along the first support rod 17 and the second support rod 20 by itself, and only the friction force between the first sleeve 18 and the first support rod 17 and the friction force between the second sleeve 21 and the second support rod 20 need to be changed to change the damping force;

secondly, the motor 25 can be a speed reducing motor, and a lead for supplying power to the motor 25 can be a traveling cable; the timing switch 43 can be an electronic timing switch, which can be an electronic timer with a bull brand with GN-D-120 time;

in addition, when the display device is installed, the assembling base 11 can be provided with an installation hole to be matched with a bolt to install and fix the display device, or a pit is dug on the ground to embed the assembling base 11 into the pit to install and fix the display device;

in addition, under the condition of conveniently accessing the commercial power for this display device, can access the commercial power for this display device to guarantee that this display device also can normally work in sleet weather, can install switch for motor 25 simultaneously, conveniently close motor 25 when changing the cylindric canvas that the surface printing has city and countryside planning drawing.

The working principle is as follows: according to the display device for urban and rural planning, the transparent plastic plates 4 are embedded on the two side surfaces of the square frame 3, so that people can read urban and rural planning drawings through the two side surfaces of the square frame 3, the display area of the display device is large, and the utilization rate is high;

the fixing mechanism 2 is composed of a vertical plate 14, a first supporting rod 17, a second supporting rod 20, a first sleeve 18, a second sleeve 21, a first supporting roller 19, a second supporting roller 22 and two groups of elastic pull rod assemblies 33, under the action of the first supporting rod 17 and the second supporting rod 20, the first sleeve 18, the second sleeve 21, the first supporting roller 19, the second supporting roller 22 and the two groups of elastic pull rod assemblies 33 can be pulled to the outside of the square frame 3, so that a cylindrical canvas with urban and rural planning drawings printed on the surface can be conveniently sleeved on the outside of the first supporting roller 19 and the second supporting roller 22, and under the action of the two groups of elastic pull rod assemblies 33, the distance between the first supporting roller 19 and the second supporting roller 22 can be adjusted, so that the display device can be suitable for displaying cylindrical canvases with urban and rural planning drawings printed on the surfaces of different specifications, thereby the practicability of the display device is better;

a transverse plate 27 is fixedly and horizontally arranged between the two outer tubes 36, a motor 25 is fixedly arranged at the bottom of the transverse plate 27 through a connecting seat 28, a driving wheel 26 is fixedly arranged at the end part of a rotating shaft of the motor 25, and the driving wheel 26 is in transmission connection with the first supporting roller 19, so that the motor 25 can be used for driving the first supporting roller 19 to drive the second supporting roller 22 and the cylindrical canvas with the urban and rural planning drawings printed on the surface to rotate, the urban and rural planning drawings on the surface of the cylindrical canvas are circularly and dynamically displayed, and the display effect of the display device is better;

two upright posts 10 are fixedly and vertically arranged at the bottom of the square frame 3, the two upright posts 10 are symmetrically arranged, and the bottom ends of the two upright posts 10 are respectively and fixedly provided with an assembling seat 11, so that the display device is convenient to install, is stable after installation, is not easy to tilt, and can effectively reduce the maintenance cost;

the top of the square frame 3 is fixedly provided with the shielding plate 7, the bottom of the square frame 3 is fixedly provided with the box body 9, the upper part of the shielding plate 7 is fixedly provided with the solar cell panel 8, the box body 9 is also fixedly provided with the storage battery 42 and the timing switch 43, the storage battery 42 is respectively electrically connected with the solar cell panel 8 and the motor 25 through wires, and the timing switch 43 is connected between the storage battery 42 and the motor 25 in series, so that the display device can utilize solar power generation to supply power for the display device, effectively utilize new energy, has the effects of energy conservation and environmental protection, and simultaneously utilizes the timing switch 43 to control the motor 25 to work, so that the display device can automatically work, thereby effectively reducing the labor use cost;

the use method of the display device for urban and rural planning, which is provided, has reasonable steps and simple operation, and can effectively improve the dismounting efficiency when replacing the cylindrical canvas with the urban and rural planning drawings printed on the surface.

The parts not involved in the present invention are the same as or can be implemented by the prior art. The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a display device that town and country planning was used, includes major structure (1), its characterized in that: the main body structure (1) comprises a square frame (3), transparent plastic plates (4) are embedded into two side faces of the square frame (3), two ends of the square frame (3) are of an open structure, and a fixing mechanism (2) is arranged inside the square frame (3);

the fixing mechanism (2) comprises a vertical plate (14), a first supporting rod (17), a second supporting rod (20), a first sleeve (18), a second sleeve (21), a first supporting roller (19), a second supporting roller (22) and two groups of elastic pull rod assemblies (33), the vertical plate (14) is vertically and fixedly installed inside one end of the square frame (3), the first supporting rod (17) is horizontally and fixedly installed on one side face of the vertical plate (14), the first supporting rod (17) is located inside the square frame (3), one end of the second supporting rod (20) is matched with the sliding groove (15) through a sliding block (34) and a stop block (16) and is in sliding connection with the sliding groove (15), the other end of the second supporting rod (20) horizontally extends into the square frame (3), the sliding groove (15) is vertically arranged on the vertical plate (14), first sleeve pipe (18) activity suit is in the outside of first bracing piece (17), second sleeve pipe (21) activity suit is in the outside of second bracing piece (20), first supporting roller (19) fixed suit is in the outside of first sleeve pipe (18), the fixed suit of second supporting roller (22) is in the outside of second sleeve pipe (21), two sets of elastic pull rod subassembly (33) symmetry and vertically install first bracing piece (17) with between second bracing piece (20).

2. The display device for urban and rural planning according to claim 1, wherein: each group of the elastic pull rod assemblies (33) comprises an outer tube (36), a spring (37), a guide block (38), an end cover (39) and an inner rod (40), the bottom end of the outer tube (36) is movably connected with the first supporting rod (17) through a first annular sliding sleeve (35), the spring (37) is arranged at the inner bottom of the outer tube (36), the guide block (38) is arranged inside the outer tube (36) in a sliding way, and the bottom of the guide block (38) is against the upper end of the spring (37), the end cover (39) is fixedly arranged at the upper end part of the outer tube (36), the inner rod (40) is movably arranged at the central position of the end cover (39), the bottom end of the inner rod (40) is fixedly connected with the central position of the upper part of the guide block (38), the upper end of the inner rod (40) is movably connected with the second support rod (20) through a second annular sliding sleeve (41).

3. The display device for urban and rural planning according to claim 2, wherein: two first annular gaps used for accommodating the first annular sliding sleeve (35) are symmetrically arranged on the first supporting roller (19), and two second annular gaps used for accommodating the second annular sliding sleeve (41) are symmetrically arranged on the second supporting roller (22).

4. The display device for urban and rural planning according to claim 2, wherein: two still fix and install diaphragm (27) horizontally between outer tube (36), there are motor (25) bottom through connecting seat (28) fixed mounting of diaphragm (27), the axis of rotation tip fixed mounting of motor (25) has action wheel (26), action wheel (26) with first supporting roller (19) transmission is connected.

5. The display device for urban and rural planning according to claim 2, wherein: one of them is close to riser (14) the side of outer tube (36) is improved level and fixedly installed connecting rod (31), connecting rod (31) orientation riser (14) set up, just connecting rod (31) orientation the one end tip fixed mounting of riser (14) has stop collar (32), stop collar (32) are kept away from the one end of connecting rod (31) is still movable the suit on gag lever post (29), gag lever post (29) level and fixedly install on a side of riser (14), gag lever post (29) are located the inside of square frame (3), just gag lever post (29) are kept away from the one end tip of riser (14) is still fixed mounting has stopper (30).

6. The display device for urban and rural planning according to claim 1, wherein: the square frame (3) is close to one end part of the vertical plate (14) is fixedly provided with a first side cover (6), the other end part of the square frame (3) is hinged with a second side cover (5) through a hinge (12), and a lockset (13) is further fixedly arranged on the second side cover (5) close to the middle part of the second side cover.

7. The display device for urban and rural planning according to claim 1, wherein: the bottom of the square frame (3) is also fixedly and vertically provided with two upright posts (10), the two upright posts (10) are symmetrically arranged, and the bottom ends of the two upright posts (10) are fixedly provided with assembling seats (11).

8. The display device for urban and rural planning according to claim 1, wherein: the top fixed mounting of square frame (3) has shielding plate (7), just the bottom fixed mounting of square frame (3) has box (9), the upper portion fixed mounting of shielding plate (7) has solar cell panel (8), the inside fixed mounting of box (9) has battery (42) and time switch (43), battery (42) pass through the wire respectively with solar cell panel (8) with motor (25) electric connection, time switch (43) concatenate battery (42) with between motor (25).

9. The display device for urban and rural planning according to claim 1, wherein: the outside of first backing roll (19) is close to its both ends fixed mounting and is had two first annular convex rings (23), the outside of second backing roll (22) is close to its both ends fixed mounting and is had two second annular convex rings (24), two second annular convex ring (24) and two first annular convex ring (23) are the symmetry and set up.

10. A method of using the display apparatus for urban and rural planning according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:

the device is fixedly installed at an urban and rural planned installation position through an assembling seat (11), and the device is ensured to face the sun, so that a solar cell panel (8) can charge a storage battery (42) by utilizing solar power generation;

step two, the lockset (13) is opened through a key, the second side cover (5) is opened, and then the fixing mechanism (2) is pulled out from the inside of the square frame (3);

thirdly, pressing the second supporting roller (22) downwards towards the first supporting roller (19), sleeving a cylindrical canvas with a city and countryside planning drawing printed on the surface outside the first supporting roller (19) and the second supporting roller (22), slowly loosening the second supporting roller (22), and simultaneously ensuring that the bottom of the cylindrical canvas is positioned between the two first annular convex rings (23) and the upper part of the cylindrical canvas is positioned between the two second annular convex rings (24);

pushing the fixing mechanism (2) into the square frame (3), closing the second side cover (5), and locking the lockset (13) by using a key;

and fifthly, supplying power to the motor (25) by using the storage battery (42), controlling the motor (25) to work by using the timing switch (43), and driving the first supporting roller (19) to rotate by the motor (25), so that the cylindrical canvas with the urban and rural planning drawings printed on the surface is driven to rotate, and people can read the urban and rural planning drawings.