Land space planning projection display equipment

Abstract

The utility model discloses territorial space planning projection display equipment, which comprises an outer frame, a plurality of telescopic support legs, a projection structure, a projection instrument and a display structure, the plurality of telescopic support legs are arranged on the lower wall surface of the outer frame, the projection structure is arranged on the outer frame, the projection instrument is arranged on the projection structure, and the display structure is arranged on the lower wall surface of the outer frame. The display structure is mounted on the outer frame; the utility model relates to the technical field of projection equipment, in use, the equipment is operated until a projection instrument is aligned with a projection screen, after the projection instrument is used, the projection screen is controlled to be retracted into the mounting seat, and then the projection instrument is reset into the outer frame, so that the projection instrument is protected, the damage probability is reduced, and the safety coefficient of the projection instrument is improved. And then the mounting seat is retracted below the outer frame, so that the occupied space of the equipment is reduced, the equipment is portable, a projection instrument and a projection screen are simultaneously arranged, the projection use condition is expanded, and the use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of projection equipment, in particular to a land space planning projection display device. Background Art

[0002] Nowadays, there are some land space planning projection display equipment, such as a new type of planning map projection device for land space planning display with publication number CN216307294U, which discloses a base and a projector, wherein the base is provided with universal wheels, a hollow groove is provided inside the base, a support leg is provided on the base, a spring is provided on one side of the support leg, a slider is provided on the side of the support leg close to the base, an elastic connecting rod is provided on the support leg, a projection platform is provided on the elastic connecting rod, a mounting spring is provided inside the column, a rack is provided on one side of the telescopic plate, and a belt is provided on the motor. In this patent document, due to the large size of the equipment, it is not easy to carry and move, and only a projector is provided, it is not suitable for use in an environment without projection conditions, and its scope of use is limited. Utility Model Content

[0003] In order to solve the problems raised in the background technology, the utility model is implemented through the following technical solutions: a land space planning projection display device, comprising an outer frame, a plurality of telescopic legs, a projection structure, a projection instrument and a display structure, wherein the plurality of telescopic legs are mounted on the lower wall of the outer frame, the projection structure is mounted on the outer frame, the projection instrument is mounted on the projection structure, and the display structure is mounted on the outer frame;

[0004] The projection structure comprises: a rotating shaft, a rotating rod, a rotating seat, a mounting shaft and a limiting assembly;

[0005] The rotating shaft is installed inside the outer frame, the rotating rod is movably mounted on the rotating shaft, the rotating seat is installed on one end of the rotating rod, the mounting shaft is movably inserted on the rotating seat, the projector is installed on one end of the mounting shaft, and the limiting assembly is installed on the mounting shaft and the projector.

[0006] Preferably, the limiting assembly comprises: a limiting arc groove and a limiting rod;

[0007] The limiting arc groove is arranged on the rotating seat, the limiting rod is installed on the projection instrument, and one end of the limiting rod is movably inserted in the limiting arc groove.

[0008] Preferably, a first bolt is inserted into the outer frame, and one end of the first bolt is attached to the rotating rod.

[0009] Preferably, a second bolt is inserted into the swivel seat, and one end of the second bolt is fitted on the mounting shaft.

[0010] Preferably, the display structure comprises: a mounting seat, a gas strut, a mounting frame, a winding assembly and a projection screen;

[0011] The mounting seat is mounted on the outer wall of the outer frame, the gas strut is mounted on the lower wall of the mounting seat, the mounting frame is rotatably mounted on the telescopic end of the gas strut, the winding assembly is mounted on the inner wall of the mounting frame, and the projection screen is mounted on the winding assembly;

[0012] Preferably, the winding assembly comprises: a motor and a winding rod;

[0013] The motor is installed on the inner wall of the installation frame, the winding rod is installed on the driving end of the motor, and the winding rod is movably inserted on the inner wall of the installation frame, and the projection screen is wound around the winding rod.

[0014] Beneficial Effects

[0015] The utility model provides a land space planning projection display device, which has the following beneficial effects: when in use, the device is operated to align the projector with the projection screen, and after the use of the projector is finished, the projection screen is controlled to be retracted into the mounting seat, and then the projector is reset to the outer frame, so that the projector is protected, the probability of damage is reduced, and the safety factor of the projector is improved. Subsequently, the mounting seat is retracted to the bottom of the outer frame, reducing the space occupied by the device and making the device portable. The projector and the projection screen are equipped at the same time, which expands the conditions for projection use and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a three-dimensional structural schematic diagram of a land space planning projection display device.

[0017] Figure 2 The utility model is a schematic diagram of the main cross-sectional structure of a land space planning projection display device.

[0018] Figure 3 The utility model is a three-dimensional structural schematic diagram of the projection structure of a land space planning projection display device.

[0019] Figure 4 The utility model is a schematic diagram of a top view of the projection structure of a land space planning projection display device.

[0020] In the figure: 1, outer frame, 2, telescopic legs, 3, projector, 4, rotating shaft, 5, rotating rod, 6, rotating seat, 7, mounting shaft, 8, limiting rod, 9, first bolt, 10, second bolt, 11, mounting seat, 12, gas support rod, 13, mounting frame, 14, projection screen, 15, motor, 16, winding rod. DETAILED DESCRIPTION

[0021] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0022] Embodiment: Through the personnel in this field, all the electrical components in this case are connected to their adapted power supplies through wires, and a suitable controller should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the working order. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process, and does not explain the electrical control.

[0023] See also Figure 1-4 When in use, the length of the gas strut 12 is controlled so that the upper wall surface of the mounting frame 13 is lower than the lower wall surface of the plurality of telescopic legs 2, and then the mounting frame 13 is rotated, and the mounting frame 13 is rotated around the gas strut 12 until it is perpendicular to the outer frame 1, and then the gas strut 12 is controlled to retract, and then the length of the plurality of telescopic legs 2 is controlled until the device reaches the target height, and then the plurality of telescopic legs 2 are placed at the target position;

[0024] See also Figure 1-4 When in use, the rotating rod 5 on the rotating shaft 4 is rotated, and the projecting device 3 is rotated out of the outer frame 1, and then the motor 15 is controlled to work, and the winding rod 16 is rotated, so that the projection screen 14 extends out of the mounting seat 11;

[0025] See also Figure 1-4 When in use, the projector 3 is rotated, and the projector 3 drives the mounting shaft 7 to rotate on the rotating seat 6, so that the angle of the projector 3 can be adjusted;

[0026] See also Figure 1-4 When the projector 3 is rotated, the projector 3 drives the limiting rod 8 to rotate on the limiting arc groove, and the limiting arc groove limits the rotation angle of the projector 3;

[0027] See also Figure 1-4 When in use, after the rotating rod 5 is rotated to the target position, the first bolt 9 is rotated to press the rotating rod 5 to fix the rotating rod 5;

[0028] See also Figure 1-4 When in use, after the installation shaft 7 is rotated to the target position, the second bolt 10 is rotated to press the installation shaft 7 to fix the installation shaft 7;

[0029] See also Figure 1-4 , when in use, the projection device 3 works to project the national land space planning information onto the projection screen 14;

[0030] See also Figure 1-4After the use of the projector 3 is finished, the projection screen 14 is controlled to be retracted into the mounting seat 11, and then the projector 3 is reset to the outer frame 1, so that the projector 3 is protected, the probability of damage is reduced, and the safety factor of the projector 3 is improved. Then the mounting seat 11 is retracted to the bottom of the outer frame 1, reducing the space occupied by the device and making the device portable.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A land space planning projection display device, comprising an outer frame, a plurality of telescopic legs, a projection structure, a projection instrument and a display structure, characterized in that: A plurality of the telescopic legs are mounted on the lower wall of the outer frame, the projection structure is mounted on the outer frame, the projection device is mounted on the projection structure, and the display structure is mounted on the outer frame; The projection structure comprises: a rotating shaft, a rotating rod, a rotating seat, a mounting shaft and a limiting assembly; The rotating shaft is installed inside the outer frame, the rotating rod is movably mounted on the rotating shaft, the rotating seat is installed on one end of the rotating rod, the mounting shaft is movably inserted on the rotating seat, the projector is installed on one end of the mounting shaft, and the limiting assembly is installed on the mounting shaft and the projector.

2. The national land space planning projection display device according to claim 1, characterized in that: The limiting assembly comprises: a limiting arc groove and a limiting rod; The limiting arc groove is arranged on the rotating seat, the limiting rod is installed on the projection instrument, and one end of the limiting rod is movably inserted in the limiting arc groove.

3. The national land space planning projection display device according to claim 1, characterized in that: A first bolt is inserted into the outer frame, and one end of the first bolt is attached to the rotating rod.

4. The national land space planning projection display device according to claim 1, characterized in that: A second bolt is inserted on the rotating seat, and one end of the second bolt is fitted on the mounting shaft.

5. The national land space planning projection display device according to claim 1, characterized in that: The display structure comprises: a mounting seat, a gas strut, a mounting frame, a winding assembly and a projection screen; The mounting seat is mounted on the outer wall of the outer frame, the gas strut is mounted on the lower wall of the mounting seat, the mounting frame is rotatably mounted on the telescopic end of the gas strut, the winding assembly is mounted on the inner wall of the mounting frame, and the projection screen is mounted on the winding assembly.

6. The national land space planning projection display device according to claim 5, characterized in that: The winding assembly comprises: a motor and a winding rod; The motor is installed on the inner wall of the installation frame, the winding rod is installed on the driving end of the motor, and the winding rod is movably inserted on the inner wall of the installation frame, and the projection screen is wound around the winding rod.

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