Control device for multifunctional intelligent exhibition hall

Abstract

The utility model discloses a control device for a multifunctional intelligent exhibition hall, which comprises a base, a convex block is fixedly arranged at the top of the base, a rotating shaft is fixedly arranged on the side wall of the convex block, and the outer wall of the circumference of the rotating shaft is rotatably connected with a roll-over stand. A first worm is twisted, a rotating shaft drives a convex block, a sleeve frame, a base and projector equipment to turn over through meshing transmission of the first worm and a first worm gear, the projection pitching angle of the projector equipment is adjusted, a second worm gear and a second worm are arranged, the second worm and the second worm gear are twisted to drive a lead screw to rotate, and through threaded connection of the lead screw and an extension rod, the projection pitching angle of the projector equipment is adjusted. The extension rod vertically moves under the guiding effect of the inner wall of the square tube, then the installation height of the projector equipment is adjusted, and after the installation height and the projection pitching angle are adjusted, the stability of the projector equipment after height adjustment and angle adjustment is improved through the self-locking performance between the worm wheel and the worm.

Description

Technical Field

[0001] The utility model belongs to the technical field of intelligent exhibition halls, and in particular relates to a control device for a multifunctional intelligent exhibition hall. Background Art

[0002] Exhibition hall design is one of the types of display design. The definition of display is an exhibition or demonstration activity that uses the best spatial relationship of integrated objects, people, and venues to convey specific information. Exhibition hall design has been widely used in real estate marketing, government planning, cultural activities, corporate achievements and other display projects using hypermedia technology. Currently, multimedia projection players are mostly used in smart exhibition halls to control playback and display.

[0003] The utility model with authorization announcement number CN218762233U provides an intelligent exhibition hall playback control device, which can conveniently adjust the height and angle of the projector, and conveniently fix the projector after the angle is adjusted, and has high reliability.

[0004] The fixing method after the projector angle adjustment proposed in the above-mentioned authorized patent has defects, that is, the height of the projector can only be adjusted intermittently, and the value by which the projector can be adjusted can only be a multiple of the distance between the two thread grooves, and the height of the projector cannot be adjusted linearly. This means that when the projector is actually used, there is a possibility that one section is adjusted too high or one section is adjusted too low, causing inconvenience to the normal use of the projector. For this reason, we propose a control device for a multi-functional smart exhibition hall. Utility Model Content

[0005] The purpose of the utility model is to provide a control device for a multifunctional intelligent exhibition hall to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a control device for a multifunctional intelligent exhibition hall, comprising a base, a protrusion is fixedly provided on the top of the base, a rotating shaft is fixedly provided on the side wall of the protrusion, a circumferential outer wall of the rotating shaft is rotatably connected to a flip frame, and a first worm wheel is fixedly provided at one end of the rotating shaft, a first worm is meshingly driven at the top of the first worm wheel, an external plate is fixedly provided on one side of the flip frame, and the circumferential outer wall of the first worm is rotatably connected to the external plate, a square tube is fixedly provided on the upper surface of the flip frame, an extension rod is slidably connected to the inner wall of the square tube, a second worm is rotatably connected to the side wall of the square tube, and a height adjustment assembly is provided between the second worm and the extension rod, a locking assembly is provided between the second worm and the first worm, and a projector device is rotatably connected to the lower surface of the protrusion.

[0007] Preferably, the height adjustment assembly includes a bearing fixed on the upper surface of the flip frame, a screw is fixed on the inner wall of the inner ring of the bearing, the extension rod is threadedly connected to the outer wall of the screw, a second worm gear is fixed on the outer wall of the screw, and the second worm gear is meshed with the second worm.

[0008] Preferably, the locking assembly includes a rotating plate rotatably connected to the outer wall of the flip frame through a positioning shaft, rubber pads are fixed at both ends of the rotating plate, and abutment rods are fixed on the outer walls of the two groups of rubber pads, and the outer ends of the two abutment rods respectively abut against the circumferential outer walls of the first worm and the second worm.

[0009] Preferably, a mounting plate is fixedly provided at the upper end of the extension rod, and mounting holes are provided inside the mounting plate near the four corners.

[0010] Preferably, a sleeve frame is movably sleeved on the circumferential outer wall of the base, and the lower surface of the sleeve frame is fixed to the upper surface of the projector device.

[0011] Preferably, a knob is fixedly provided at the rear end of the first worm, and a crank is fixedly provided at the rear end of the second worm.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The control device for a multifunctional intelligent exhibition hall is provided with a first worm gear and a first worm screw. The first worm screw is turned. Through the meshing transmission of the first worm screw and the first worm gear, the rotating shaft drives the protrusion, the sleeve frame, the base and the projector device to flip, thereby adjusting the projection elevation and depression angle of the projector device. By providing a second worm gear and a second worm screw, the second worm screw is turned. The second worm gear drives the lead screw to rotate. Through the threaded connection between the lead screw and the extension rod, the extension rod moves vertically under the guidance of the inner wall of the square tube, thereby adjusting the installation height of the projector device. After the installation height and the projection elevation and depression angle are adjusted, the self-locking property between the worm gear and the worm screw improves the stability of the projector device after the height and angle are adjusted.

[0014] (2) The control device for a multifunctional intelligent exhibition hall is provided with a rotating plate, a rubber pad and a stopper. After the installation height and the projection pitch angle are adjusted, the rotating plate can be rotated so that the outer ends of the two stoppers respectively abut against the outer walls of the circumference of the first worm gear and the second worm gear. The two rubber pads are elastically contracted, so that the two stoppers respectively stop the rotation of the first worm gear and the second worm gear, thereby further improving the stability of the projector device after the height and angle are adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is a front cutaway stereogram of the utility model;

[0017] Figure 3 It is a bottom cutaway perspective view of the utility model;

[0018] Figure 4 It is a partial schematic diagram of the rotating plate, rubber pad and supporting rod of the utility model.

[0019] In the figure:

[0020] 1. Base; 2. Frame; 3. Bump; 4. Rotating shaft; 5. Flip frame; 6. First worm gear; 7. External plate; 8. First worm; 9. Square tube; 10. Extension rod; 11. Assembly plate; 12. Mounting hole; 13. Bearing; 14. Screw; 15. Second worm gear; 16. Second worm; 17. Crank; 18. Knob; 19. Positioning shaft; 20. Turn plate; 21. Rubber pad; 22. Abutment rod; 23. Projector equipment. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 4 The utility model provides a control device for a multifunctional intelligent exhibition hall, including a base 1, a protrusion 3 is fixedly provided on the top of the base 1, a rotating shaft 4 is fixedly provided on the side wall of the protrusion 3, a turning frame 5 is rotatably connected to the circumferential outer wall of the rotating shaft 4, and a first worm gear 6 is fixedly provided at one end of the rotating shaft 4, a first worm 8 is meshed and driven at the top of the first worm gear 6, an external plate 7 is fixedly provided on one side of the turning frame 5, and the circumferential outer wall of the first worm 8 is rotatably connected to the external plate 7, a square tube 9 is fixedly provided on the upper surface of the turning frame 5, an extension rod 10 is slidably connected to the inner wall of the square tube 9, a second worm 16 is rotatably connected to the side wall of the square tube 9, a height adjustment component is provided between the second worm 16 and the extension rod 10, a locking component is provided between the second worm 16 and the first worm 8, and a projector device 23 is rotatably connected to the lower surface of the protrusion 3.

[0023] In this embodiment, preferably, the height adjustment component includes a bearing 13 fixed on the upper surface of the flip frame 5, a screw 14 is fixedly provided on the inner wall of the inner ring of the bearing 13, the extension rod 10 is threadedly connected to the outer wall of the circumference of the screw 14, a second worm gear 15 is fixedly provided on the outer wall of the circumference of the screw 14, and the second worm gear 15 is meshed with the second worm 16. When the second worm 16 rotates, the second worm gear 15 drives the screw 14 to rotate, and the threaded connection between the screw 14 and the extension rod 10 allows the extension rod 10 to move vertically under the guidance of the inner wall of the square tube 9, so as to adjust the distance between the upper end of the extension rod 10 and the upper end of the square tube 9, thereby adjusting the installation height of the projector device 23.

[0024] In this embodiment, preferably, the locking assembly includes a rotating plate 20 rotatably connected to the outer wall of the flip frame 5 through a positioning shaft 19, rubber pads 21 are fixed at both ends of the rotating plate 20, and the outer walls of the two groups of rubber pads 21 are fixed with push rods 22, and the outer ends of the two push rods 22 are respectively abutted against the circumferential outer walls of the first worm 8 and the second worm 16. At this time, the two rubber pads 21 are in a state of elastic contraction, and the two push rods 22 respectively stop the first worm 8 and the second worm 16 from rotating, thereby improving the stability of the projector device 23 after the angle is adjusted.

[0025] In this embodiment, preferably, a mounting plate 11 is fixedly provided at the upper end of the extension rod 10, and mounting holes 12 are provided inside the mounting plate 11 near the four corners. Four bolts are successively passed through the four mounting holes 12 and screwed into the threaded holes opened on the ceiling until the heads of the bolts abut against the bottom surface of the mounting plate 11, and the extension rod 10 can be firmly installed on the ceiling.

[0026] In this embodiment, preferably, a sleeve frame 2 is movably sleeved on the circumferential outer wall of the base 1, and the lower surface of the sleeve frame 2 is fixed to the upper surface of the projector device 23. The base 1 is rotatably connected to the projector device 23, and after the extension rod 10 is installed and fixed, the projection position of the projector device 23 can be rotated to adjust.

[0027] In this embodiment, preferably, a knob 18 is fixedly provided at the rear end of the first worm gear 8, and the first worm gear 8 can be turned conveniently by holding the knob 18, and a crank 17 is fixedly provided at the rear end of the second worm gear 16, and the second worm gear 16 can be turned conveniently by holding the crank 17.

[0028] The working principle and use process of the utility model are as follows: when the device is used, four bolts are respectively passed through the four mounting holes 12 and screwed into the threaded holes opened on the ceiling until the heads of the bolts abut against the bottom surface of the mounting plate 11, and the extension rod 10 is firmly installed on the ceiling. The rotating plate 20 is rotated so that the outer ends of the two abutting rods 22 are respectively disengaged from the first worm 8 and the second worm 16, and then the first worm 8 is turned by holding the knob 18, and the first worm 8 is meshed with the first worm wheel 6 to drive the rotating shaft 4 to turn over the protrusion 3, the sleeve frame 2, the base 1 and the projector device 23, and the projection pitch angle of the projector device 23 is adjusted, and then the crank 17 is held to turn the second worm wheel 16. Rod 16, the second worm gear 15 drives the lead screw 14 to rotate, and the lead screw 14 is threadedly connected to the extension rod 10, so that the extension rod 10 moves vertically under the guidance of the inner wall of the square tube 9, and the distance between the upper end of the extension rod 10 and the upper end of the square tube 9 is adjusted, thereby adjusting the installation height of the projector device 23. After the installation height and the projection pitch angle are adjusted, the rotating plate 20 is rotated and reset, so that the outer ends of the two abutting rods 22 respectively abut against the outer walls of the circumference of the first worm 8 and the second worm 16, and the two rubber pads 21 are in a state of elastic contraction. The two abutting rods 22 respectively stop the first worm 8 and the second worm 16 from rotating, thereby improving the stability of the projector device 23 after the height adjustment.

[0029] 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 control device for a multifunctional intelligent exhibition hall, comprising a base (1), characterized in that: A protrusion (3) is fixedly provided on the top of the base (1), a rotating shaft (4) is fixedly provided on the side wall of the protrusion (3), a circumferential outer wall of the rotating shaft (4) is rotatably connected to a flip frame (5), and a first worm gear (6) is fixedly provided on one end of the rotating shaft (4), a first worm gear (8) is meshed and driven on the top of the first worm gear (6), an external plate (7) is fixedly provided on one side of the flip frame (5), and a circumferential outer wall of the first worm gear (8) is rotatably connected to the external plate (7), a square tube (9) is fixedly provided on the upper surface of the flip frame (5), an extension rod (10) is slidably connected to the inner wall of the square tube (9), a second worm gear (16) is rotatably connected to the side wall of the square tube (9), a height adjustment component is provided between the second worm gear (16) and the extension rod (10), a locking component is provided between the second worm gear (16) and the first worm gear (8), and a projector device (23) is rotatably connected to the lower surface of the protrusion (3).

2. A control device for a multifunctional intelligent exhibition hall according to claim 1, characterized in that: The height adjustment assembly comprises a bearing (13) fixedly mounted on the upper surface of the tilting frame (5); a screw rod (14) is fixedly mounted on the inner circumferential wall of the inner ring of the bearing (13); the extension rod (10) is threadedly connected to the outer circumferential wall of the screw rod (14); a second worm gear (15) is fixedly mounted on the outer circumferential wall of the screw rod (14); and the second worm gear (15) is meshed with the second worm (16).

3. The control device for a multifunctional intelligent exhibition hall according to claim 1, characterized in that: The locking assembly comprises a rotating plate (20) rotatably connected to the outer wall of the turning frame (5) via a positioning shaft (19), rubber pads (21) being fixedly provided at both ends of the rotating plate (20), and abutment rods (22) being fixedly provided on the outer walls of two groups of rubber pads (21), and the outer ends of the two abutment rods (22) abut against the circumferential outer walls of the first worm gear (8) and the second worm gear (16), respectively.

4. The control device for a multifunctional intelligent exhibition hall according to claim 1, characterized in that: An assembly plate (11) is fixedly provided at the upper end of the extension rod (10), and mounting holes (12) are provided inside the assembly plate (11) near the four corners.

5. The control device for a multifunctional intelligent exhibition hall according to claim 4, characterized in that: The circumferential outer wall of the base (1) is movably sleeved with a sleeve frame (2), and the lower surface of the sleeve frame (2) is fixed to the upper surface of the projector device (23).

6. The control device for a multifunctional intelligent exhibition hall according to claim 1, characterized in that: A knob (18) is fixedly provided at the rear end of the first worm gear (8), and a crank (17) is fixedly provided at the rear end of the second worm gear (16).

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