Angle-adjustable exhibition hall demonstration device

By introducing first and second adjustment components into the exhibition hall demonstration device, the vertical and horizontal angles of the display screen can be adjusted, solving the problem that existing devices can only be adjusted vertically and improving the viewing experience for the audience.

CN224150611UActive Publication Date: 2026-04-21ZHEJIANG YIKEXIU TECH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG YIKEXIU TECH CO LTD
Filing Date
2025-06-12
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

The existing exhibition hall demonstration devices can only adjust the vertical angle and cannot adjust the horizontal angle, making it difficult for visitors to obtain a good viewing angle from the side or oblique side, which affects the visitor experience.

Method used

The design incorporates a first adjustment component to achieve vertical angle adjustment of the display screen, a second adjustment component to achieve horizontal angle adjustment, and a lifting component that utilizes a motor drive and a toothed disc structure to achieve multi-angle adjustment.

Benefits of technology

Visitors can enjoy a good viewing angle from different directions, and view the exhibits clearly and comprehensively, greatly enhancing the visitor experience. The adjustment process is stable and reliable, and the operation is convenient.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224150611U_ABST
    Figure CN224150611U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of demonstration devices, and discloses an angle-adjustable exhibition hall demonstration device, which comprises a display screen. The supporting disc is arranged at the bottom of the display screen; the supporting cylinder is arranged at the top of the supporting disc; the lifting assembly is arranged in the supporting cylinder and controls the display screen to ascend and descend; the first adjusting assembly is arranged above the supporting disc and used for adjusting the vertical angle of the display screen; the second adjusting assembly is arranged in the supporting disc and used for adjusting the transverse angle of the display screen; a second motor is fixedly connected to the inner wall of the bottom end of the supporting cylinder. The vertical angle of the display screen is adjusted through the first adjusting assembly, the transverse angle of the display screen is adjusted through the second adjusting assembly, the limitation that a traditional device can only be adjusted in the longitudinal direction is overcome, audiences can obtain a good viewing angle from different directions such as the side face or the inclined side, and the displayed content can be comprehensively and clearly viewed; and the visiting experience of the audience is greatly improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of demonstration device technology, specifically an angle-adjustable exhibition hall demonstration device. Background Technology

[0002] In modern exhibition halls, adjustable-angle demonstration devices are essential display equipment, primarily used to present exhibit information, play promotional videos, and display graphic and textual materials. By flexibly adjusting the demonstration angle, it allows viewers to clearly perceive the displayed content from different perspectives, effectively enhancing the display effect and the visitor experience. These devices are widely used in various exhibition venues such as museums, science and technology museums, and corporate showrooms.

[0003] Application No. 202222571118.2 discloses a digital exhibition hall projection demonstration device. The device mentioned in this utility model belongs to a type of projection device, mainly used to project and display edited videos or pictures. The height adjustment component set in this embodiment can adjust the height of the projection device, so that the device can be adjusted to a more suitable height for projection. The angle adjustment component can adjust the projection angle of the device, so that the device can be adjusted to a more suitable angle for projection.

[0004] The aforementioned device can only adjust the vertical angle and cannot adjust the horizontal angle. This makes it difficult for viewers to obtain a good viewing angle when they are on the side or at an angle to the device, and they cannot fully and clearly view the exhibits, which greatly affects the visitor experience. Therefore, we propose an angle-adjustable exhibition hall demonstration device. Utility Model Content

[0005] To address the shortcomings of existing technologies, this invention provides an angle-adjustable exhibition hall demonstration device, which solves the aforementioned problems.

[0006] To achieve the above-mentioned objectives, this utility model provides the following technical solution: an angle-adjustable exhibition hall demonstration device, comprising:

[0007] Display screen;

[0008] The support plate is located at the bottom of the display screen;

[0009] A support cylinder is disposed on top of the support plate;

[0010] The lifting assembly, located inside the support cylinder, controls the raising and lowering of the display screen.

[0011] The first adjustment component, located above the support plate, adjusts the vertical angle of the display screen;

[0012] The second adjustment component, located inside the support plate, adjusts the horizontal angle of the display screen.

[0013] Preferably, the bottom end of the support cylinder is rotatably connected to the inner wall of the middle part of the support plate, and a second motor is fixedly connected to the inner wall of the bottom end of the support cylinder.

[0014] Preferably, a threaded rod is fixedly connected to the output end of the second motor;

[0015] The outer wall of the threaded rod is threaded with a lifting rod, which is slidably connected to the inner wall of the top of the support cylinder.

[0016] Preferably, the first adjustment component includes a fixing block, a mounting bracket, and a first motor;

[0017] The fixing block is fixedly connected to the top of the lifting rod;

[0018] The mounting bracket is fixedly connected to the top of the fixing block;

[0019] The first motor is fixedly connected to the top side wall of the mounting bracket, and the output end of the first motor is rotatably connected to the top of the mounting bracket;

[0020] The side wall of the display screen is fixedly sleeved on the outer wall of the output end of the first motor.

[0021] Preferably, a rotating rod is rotatably connected to the inner wall of the bottom end of the support plate.

[0022] Preferably, the second adjustment assembly includes a toothed disc, a toothed plate, a fixing rod, and a spring;

[0023] The gear disc is fixedly connected to the top of the rotating rod, and the bottom of the support cylinder is fixedly connected to the top of the gear disc;

[0024] The fixing rod is fixedly connected to the inner wall of the support plate, and the toothed plate is slidably sleeved on the outer wall of the fixing rod;

[0025] The spring is fixedly connected between the bottom of the toothed plate and the inner wall of the bottom end of the support plate;

[0026] The outer wall of the toothed plate is in contact with the outer wall of the toothed disc.

[0027] Compared with the prior art, this utility model provides an angle-adjustable exhibition hall demonstration device, which has the following beneficial effects:

[0028] 1. Multi-angle adjustment enhances the viewing experience: The first adjustment component enables vertical angle adjustment of the display screen, while the second adjustment component enables horizontal angle adjustment. This overcomes the limitation of traditional devices that can only be adjusted vertically, allowing viewers to obtain a good viewing angle from different directions such as the side or oblique side, and to view the displayed content comprehensively and clearly, greatly enhancing the visitor experience.

[0029] 2. The structure is reasonably designed and the adjustment is convenient. The vertical angle adjustment is driven by the first motor, which has a high degree of automation and is easy to operate. The horizontal angle adjustment adopts a structure of toothed disc and toothed plate. Pressing down the toothed plate can unlock and rotate it. After releasing, the spring returns to lock it. The operation is simple and the adjustment process is stable and reliable. The lifting component can accurately control the height of the display screen through the cooperation of the second motor, threaded rod and lifting rod to meet the projection or display needs of different heights. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0031] Figure 2 This is a side view of the structure of this utility model;

[0032] Figure 3 This is a schematic diagram of the internal structure of this utility model;

[0033] Figure 4 This is a schematic diagram of the internal structure of the support plate of this utility model.

[0034] In the diagram: 1. Display screen; 2. Support plate; 3. Support cylinder; 4. Lifting rod; 5. Fixing block; 6. Mounting bracket; 7. First motor; 8. Second motor; 9. Threaded rod; 10. Rotating rod; 11. Gear plate; 12. Gear plate; 13. Fixing rod; 14. Spring. Detailed Implementation

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0036] Please see Figure 1-4 An angle-adjustable exhibition hall demonstration device, comprising:

[0037] Display screen 1;

[0038] Support plate 2 is located at the bottom of display screen 1;

[0039] Support cylinder 3 is located on top of support plate 2;

[0040] The lifting assembly is located inside the support cylinder 3 and controls the display screen 1 to lift.

[0041] The first adjustment component is located above the support plate 2 to adjust the vertical angle of the display screen 1;

[0042] The second adjustment component is located inside the support plate 2 to adjust the horizontal angle of the display screen 1;

[0043] The first adjustment component drives the display screen 1 to rotate around the vertical axis, thereby changing the vertical tilt angle.

[0044] The second adjustment component drives the support cylinder 3 and the display screen 1 to rotate around an axis perpendicular to the ground, achieving horizontal angular rotation; the lifting component controls the lifting structure inside the support cylinder 3, driving the display screen 1 to move up and down; the first adjustment component achieves vertical angle adjustment of the display screen 1, and the second adjustment component achieves horizontal angle adjustment, overcoming the limitation of traditional devices that can only be adjusted vertically, allowing viewers to obtain a good viewing angle from different directions such as the side or oblique side, and to view the display content comprehensively and clearly, greatly enhancing the visitor experience.

[0045] The bottom end of the support cylinder 3 is rotatably connected to the inner wall of the middle part of the support plate 2, and the second motor 8 is fixedly connected to the inner wall of the bottom end of the support cylinder 3.

[0046] The support cylinder 3 can rotate horizontally within the support plate 2 through a rotating connection structure, providing a mechanical basis for lateral angle adjustment; the second motor 8 is the power source of the lifting assembly, and its output end drives the threaded rod 9 to rotate, thereby controlling the lifting of the lifting rod 4.

[0047] The output end of the second motor 8 is fixedly connected to a threaded rod 9;

[0048] The outer wall of the threaded rod 9 is threaded with a lifting rod 4, which is slidably connected to the inner wall of the top of the support cylinder 3;

[0049] The second motor 8 drives the threaded rod 9 to rotate. Due to the threaded fit and the limiting effect of the inner wall of the support cylinder 3, the lifting rod 4 rises and falls vertically along the axis of the threaded rod 9, thereby driving the display screen 1 to rise or fall.

[0050] The first adjustment assembly includes a fixing block 5, a mounting bracket 6, and a first motor 7;

[0051] The fixing block 5 is fixedly connected to the top of the lifting rod 4;

[0052] Mounting bracket 6 is fixedly connected to the top of fixing block 5;

[0053] The first motor 7 is fixedly connected to the top side wall of the mounting bracket 6, and the output end of the first motor 7 is rotatably connected to the top of the mounting bracket 6;

[0054] The side wall of the display screen 1 is fixedly sleeved onto the outer wall of the output end of the first motor 7;

[0055] Start the first motor 7, and its output end rotates at the top of the mounting bracket 6, driving the display screen 1 to rotate vertically around the axis of the output end, thereby adjusting the vertical angle of the display screen 1.

[0056] A rotating rod 10 is rotatably connected to the inner wall of the bottom end of the support plate 2;

[0057] The rotating rod 10 serves as the rotation axis of the gear disk 11; when the gear disk 11 rotates, it drives the rotating rod 10 to rotate synchronously within the support disk 2, ensuring the stability of the lateral rotation of the support cylinder 3 and the display screen 1.

[0058] The second adjustment assembly includes a gear disc 11, a gear plate 12, a fixing rod 13, and a spring 14;

[0059] The gear disc 11 is fixedly connected to the top of the rotating rod 10, and the bottom of the support cylinder 3 is fixedly connected to the top of the gear disc 11;

[0060] The fixing rod 13 is fixedly connected to the inner wall of the support plate 2, and the toothed plate 12 is slidably sleeved on the outer wall of the fixing rod 13.

[0061] Spring 14 is fixedly connected between the bottom of toothed plate 12 and the inner wall of the bottom end of support plate 2;

[0062] The outer wall of the toothed plate 12 is in contact with the outer wall of the toothed disk 11;

[0063] The toothed plate 12 is pressed down, causing it to descend along the inner wall of the support plate 2. The teeth of the toothed plate 12 disengage from the outer wall of the toothed plate 11, while the spring 14 is compressed. The support cylinder 3 drives the toothed plate 11 to rotate on the inner wall of the support plate 2. The toothed plate 11 drives the rotating rod 10 to rotate on the inner wall of the support plate 2. The support cylinder 3 drives the fixed block 5 to rotate through the lifting rod 4, thereby causing the display screen 1 to rotate laterally to the required angle. The toothed plate 12 is released, the spring 14 returns to its original position, and the toothed plate 12 rises, causing its teeth to re-engage on the teeth of the toothed plate 11, thus completing the fixation of the lateral angle.

[0064] Structural Description: Display Screen 1: The core display component used to present information; it is fixed to the output end of the first motor 7 via a bushing, and can be adjusted vertically by rotating with it. It can also be rotated horizontally and raised and lowered via the support cylinder 3, etc., and is the interface for the audience to view directly.

[0065] Support plate 2: The bottom basic support structure, with an integrated second adjustment component inside; the bottom inner wall is rotatably connected to the rotating rod 10, and the middle is rotatably connected to the support cylinder 3, providing support for lateral adjustment, while bearing the various components and ensuring overall stability.

[0066] Support cylinder 3: a vertical support component, with a support plate 2 rotatably connected to the bottom end and a lifting rod 4 slidably connected to the top end; a toothed disc 11 is fixed at the bottom, and the horizontal angle is locked by the engagement of the toothed disc with the toothed plate 12; a second motor 8 and a threaded rod 9 are installed inside to drive the lifting rod to rise and fall.

[0067] Lifting rod 4: Height adjustment actuator, threaded onto threaded rod 9, with a fixing block 5 connected to the top. When the second motor 8 drives the threaded rod to rotate, it is vertically raised and lowered by the support cylinder 3, thereby adjusting the height of the display screen 1.

[0068] Fixed block 5: A transition piece connecting the lifting rod 4 and the first adjustment component, fixed to the top of the lifting rod; the top surface is equipped with a mounting bracket 6, which provides a mounting base for the first motor 7 and the display screen 1, transmits lifting power and ensures structural rigidity.

[0069] Mounting bracket 6: The bottom end is fixed to the fixing block 5, and the top two sides are provided with shaft holes to install the first motor 7; the motor output end passes through the shaft hole and is connected to the display screen 1, so that the display screen can swing around the horizontal axis to realize vertical angle adjustment.

[0070] First motor 7: Vertical adjustment power source, fixed to the outer wall of mounting bracket 6, with the output end connected to display screen 1; after being powered on, it drives the display screen to tilt and swing around the horizontal axis, realizing automatic adjustment of the longitudinal angle, which is convenient to operate and precise to control.

[0071] The second motor 8 is a height adjustment power source, fixed to the bottom of the support cylinder 3, with the output end connected to the threaded rod 9; it drives the threaded rod to rotate, and through the threaded transmission, it drives the lifting rod 4 to rise and fall, thereby realizing the height adjustment of the display screen 1, and the power is stable.

[0072] Threaded rod 9: Height adjustment transmission component, one end connected to the second motor 8, the outer wall threaded sleeve lifting rod 4; when rotating, it converts the rotational motion into the linear motion of the lifting rod, utilizing the self-locking property of the thread and high precision to ensure smooth lifting and accurate positioning.

[0073] Rotating rod 10: a lateral adjustment transmission hub, with a rotating support plate 2 at the bottom and a fixed gear plate 11 at the top; when the gear plate rotates, it drives the rotating rod to rotate synchronously, providing central support for the gear plate and ensuring stable lateral rotation and high coaxiality.

[0074] Gear 11: In the transmission component of the second adjustment assembly; fixed to the top of the rotating rod 10 and connected to the support cylinder 3; when the outer wall teeth mesh with the gear plate 12, the lateral angle is locked; after the lower gear plate disengages, the gear 11 can be manually rotated to adjust the lateral angle of the display screen.

[0075] Tooth plate 12: a transverse locking component, slidingly sleeved on the fixed rod 13, with a spring 14 connected to the bottom, and teeth meshing with the toothed disc 11; pressing down unlocks the toothed disc, and the spring returns to lock after being released. The structure is simple, the locking is reliable, and it prevents accidental rotation.

[0076] Fixed rod 13: guide for toothed plate 12, fixed to the inner wall of support plate 2, passing through the sliding hole of toothed plate, restricting its vertical movement trajectory, ensuring that toothed plate and toothed plate mesh and align, avoiding offset that leads to locking failure, and improving adjustment reliability.

[0077] Spring 14: an elastic reset component, connecting the toothed plate 12 and the support plate 2; when the toothed plate is pressed down, it compresses and stores energy, and when released, it pushes the toothed plate up to reset and engage the toothed plate, thus achieving automatic locking, while buffering the impact force and protecting the gear structure.

[0078] The first motor 7 is started, and its output end rotates at the top of the mounting bracket 6, driving the display screen 1 to rotate vertically around the output end axis, thereby adjusting the vertical angle of the display screen 1. The toothed plate 12 is pressed down, causing it to descend along the inner wall of the support plate 2. The teeth of the toothed plate 12 disengage from the outer wall of the toothed plate 11, and the spring 14 is compressed. The support cylinder 3 drives the toothed plate 11 to rotate on the inner wall of the support plate 2. The toothed plate 11 drives the rotating rod 10 to rotate on the inner wall of the support plate 2. The support cylinder 3 drives the fixed block 5 to rotate through the lifting rod 4, thereby causing the display screen 1 to rotate laterally to the required angle. The toothed plate 12 is released, the spring 14 returns to its original position, and the toothed plate 12 rises, causing its teeth to re-engage on the teeth of the toothed plate 11, thus fixing the lateral angle. The second motor 8 is started, and its output end drives the threaded rod 9 to rotate. Under the limiting action of the inner wall of the support cylinder 3 on the lifting rod 4, the lifting rod 4 rises or falls along the axis of the threaded rod 9, thereby driving the display screen 1 to adjust its height.

[0079] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An angle-adjustable exhibition hall demonstration device, comprising: Display screen (1); Support plate (2), the support plate (2) is disposed at the bottom of the display screen (1); Support cylinder (3), the support cylinder (3) is set on top of support plate (2); The lifting assembly is located inside the support cylinder (3) and controls the display screen (1) to lift. The first adjustment component, disposed above the support plate (2), adjusts the vertical angle of the display screen (1); characterized in that it further includes: The second adjustment component is located inside the support plate (2) to adjust the horizontal angle of the display screen (1).

2. The angle-adjustable exhibition hall demonstration device according to claim 1, characterized in that: The bottom end of the support cylinder (3) is rotatably connected to the inner wall of the middle part of the support plate (2), and the inner wall of the bottom end of the support cylinder (3) is fixedly connected to a second motor (8).

3. An angularly adjustable showroom demonstration device according to claim 2, wherein: The output end of the second motor (8) is fixedly connected to a threaded rod (9); The threaded rod (9) is threaded with a lifting rod (4) on its outer wall, and the lifting rod (4) is slidably connected to the inner wall of the top of the support cylinder (3).

4. An angularly adjustable showroom display device as defined in claim 1, wherein: The first adjustment component includes a fixing block (5), a mounting bracket (6), and a first motor (7); The fixing block (5) is fixedly connected to the top of the lifting rod (4); The mounting bracket (6) is fixedly connected to the top of the fixing block (5); The first motor (7) is fixedly connected to the top side wall of the mounting bracket (6), and the output end of the first motor (7) is rotatably connected to the top of the mounting bracket (6); The display screen (1) is fixedly sleeved on the outer wall of the output end of the first motor (7).

5. An angularly adjustable showroom display device as defined in claim 1, wherein: The support plate (2) has a rotating rod (10) rotatably connected to the inner wall of its bottom end.

6. An angularly adjustable showroom display device as defined in claim 1, wherein: The second adjustment assembly includes a toothed disc (11), a toothed plate (12), a fixing rod (13), and a spring (14). The gear disc (11) is fixedly connected to the top of the rotating rod (10), and the bottom of the support cylinder (3) is fixedly connected to the top of the gear disc (11); The fixing rod (13) is fixedly connected to the inner wall of the support plate (2), and the toothed plate (12) is slidably sleeved on the outer wall of the fixing rod (13); The spring (14) is fixedly connected between the bottom of the toothed plate (12) and the inner wall of the bottom end of the support plate (2); The outer wall of the toothed plate (12) is in contact with the outer wall of the toothed disc (11).

Citation Information

Patent Citations

  • Digital exhibition hall projection demonstration device

    CN219063020U