Multi-angle control device of projection screen equipment

Abstract

The utility model discloses a multi-angle control device for projection screen equipment, relates to the technical field of projection screen equipment, and aims to solve the problems that a display can only be fixedly mounted on a table top with a platform in the conventional adjusting support structure, and parts for adjusting angles are poor in universality, so that the production cost is high. Comprising a display screen and further comprises a base, a first adjusting mechanism and a second adjusting mechanism are arranged on the base, and the second adjusting mechanism comprises an adjusting rod. The universal support, the universal sliding rod, the universal spring, the first supporting plate, the universal inserting rod, the universal adjusting disc and the second supporting plate are used in cooperation, so that the universality of equipment parts can be effectively improved, the production cost is remarkably reduced, and use is convenient; and through cooperation of the first adjusting mechanism, the second adjusting mechanism and the third adjusting mechanism, multi-angle adjustment of the display screen is achieved, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of screen projection equipment, and in particular to a multi-angle control device for screen projection equipment. Background Art

[0002] Screen projection devices generally refer to devices used to project content on electronic devices (such as mobile phones, tablets, computers) onto a large screen. This type of device can transmit images, videos, or other content to a large screen via a wired or wireless connection so that the audience can see and interact with the content more clearly. Screen projection devices are usually used in conferences, training, demonstrations, teaching, etc. to better display content and share information with the audience. Common screen projection devices include projectors, TV screens, large-screen displays, etc.

[0003] After searching, a Chinese patent with authorization announcement number CN211118450U discloses a multi-angle adjustment support structure for a projection display, including a display and a base. A turntable is rotatably connected to the surface of the base, a movable seat is fixedly installed on the surface of the turntable, a turntable is arranged on the surface of the movable seat, a horizontal slide groove is opened inside the movable seat, a screw rod three is rotatably connected in the horizontal slide groove, and a slider is fixedly connected to the bottom of the turntable. The utility model can rotate and adjust the horizontal angle of the display by setting a rotating block, a screw rod two, an adjustment plate, and a knob three, and can rotate and adjust the front and rear pitch angles of the display by setting a rotating connection block, a turntable, a knob two, a screw rod one, and a fixing nut. The vertical height of the display can be adjusted by opening a vertical slide groove on the adjustment plate and making the rotating block slidably connected in the vertical slide groove, and the display can be adjusted and rotated by setting a turntable rotatably connected to the base.

[0004] However, there are still shortcomings in the existing technology. The existing adjustable support structure can usually only fix the display on a desktop with a platform, and the parts used to adjust the angle have poor versatility, resulting in high production costs. For this reason, we propose a multi-angle control device for projection equipment to solve this problem. Utility Model Content

[0005] The utility model is to propose a multi-angle control device for projection equipment in order to solve the problem that the existing adjustable support structure can usually only fix the display on a desktop with a platform, and the parts used for adjusting the angle have poor versatility, thus leading to high production costs.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A multi-angle control device for a screen projection device, comprising a display screen, and further comprising:

[0008] A base is provided with a first adjustment mechanism and a second adjustment mechanism, the second adjustment mechanism comprises an adjustment rod, and the adjustment rod is provided with a third adjustment mechanism.

[0009] Preferably, the first adjusting mechanism includes a universal support, the universal support located below is fixedly connected to the base, a universal sliding rod is slidably provided on the universal support located below, a universal spring is slidably sleeved on the universal sliding rod located below, a first support plate is fixedly provided on the universal sliding rod located below, a universal insertion rod is fixedly provided on the first support plate located below, rotating shafts are fixedly provided on the upper and lower ends of the adjusting rod, a universal adjusting disk is fixedly sleeved on the rotating shaft located below, and the universal insertion rod located below is adapted to the universal adjusting disk located below.

[0010] Preferably, a sleeve is slidably mounted on the adjusting rod, a universal support is fixedly mounted on the rear side of the sleeve, a second support plate is fixedly mounted on the universal sliding rod located on the rear side, a universal plug rod is fixedly mounted on the second support plate, a plurality of adjustment holes are opened on the adjusting rod, and the universal plug rod located on the rear side is adapted to the adjustment holes.

[0011] Preferably, the third adjustment mechanism includes a U-shaped bracket, which is located on the front side of the sleeve, and a universal support is fixedly provided on both the left and right sides of the U-shaped bracket. A horizontal axis is rotatably provided on the inner wall of the U-shaped bracket, and a universal adjustment disk is fixedly provided on both ends of the horizontal axis, and the universal insertion rods respectively located on the left and right sides are adapted to the corresponding universal adjustment disks.

[0012] Preferably, the display screen is fixedly sleeved on the horizontal axis.

[0013] Preferably, mounting plates are fixedly provided on the four corners of the bottom of the base, and the rotating shaft located below is rotatably connected to the base.

[0014] In the utility model, the multi-angle control device for projection equipment can realize the installation of the base on the ground, the desktop or the roof by fixing the installation plate on the ground or the roof with bolts, and the installation freedom is higher;

[0015] In the utility model, the multi-angle control device of the projection device can drive the display screen to rotate left and right in the horizontal direction by rotating the adjustment rod, and can drive the display screen to move up and down along the adjustment rod by sliding the sleeve, so as to adjust the height of the display screen, and can drive the display screen to rotate up and down in the horizontal direction by rotating the horizontal axis, so as to facilitate multi-angle adjustment;

[0016] The utility model can effectively improve the versatility of equipment parts, significantly reduce production costs and facilitate use by using a universal support, a universal sliding rod, a universal spring, a first support plate, a universal plug rod, a universal adjustment disk and a second support plate for coordinated use. The first adjustment mechanism, the second adjustment mechanism and the third adjustment mechanism cooperate to achieve multi-angle adjustment of the display screen, which is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of a multi-angle control device for a projection device proposed by the utility model;

[0018] Figure 2 This is a rear-view stereoscopic structural schematic diagram of a multi-angle control device for a projection device proposed by the utility model;

[0019] Figure 3 This is a structural schematic diagram of the first adjustment mechanism part of a multi-angle control device for a projection device proposed by the utility model;

[0020] Figure 4 This is a structural schematic diagram of a third adjustment mechanism part of a multi-angle control device for a projection device proposed by the utility model;

[0021] Figure 5 This is a structural schematic diagram of the second adjustment mechanism part of the multi-angle control device of the projection equipment proposed by the utility model.

[0022] In the figure: 1. base; 2. display screen; 3. first adjustment mechanism; 4. second adjustment mechanism; 5. third adjustment mechanism; 301. universal support; 302. universal sliding rod; 303. universal spring; 304. first support plate; 305. universal plug rod; 306. universal adjustment disk; 401. adjustment rod; 402. rotating shaft; 403. sleeve; 404. second support plate; 405. adjustment hole; 501. U-shaped bracket; 502. horizontal axis. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Reference Figure 1-5 , an embodiment provided by this solution: a multi-angle control device for a screen projection device, including a display screen 2, and also including:

[0025] The base 1 is provided with a first adjustment mechanism 3 and a second adjustment mechanism 4 . The second adjustment mechanism 4 includes an adjustment rod 401 . The adjustment rod 401 is provided with a third adjustment mechanism 5 .

[0026] In this embodiment, the first adjustment mechanism 3 includes a universal support 301, and the universal support 301 located at the bottom is fixedly connected to the base 1, a universal slide bar 302 is slidably provided on the universal support 301 located at the bottom, a universal spring 303 is slidably sleeved on the universal slide bar 302 located at the bottom, a first support plate 304 is fixedly provided on the universal slide bar 302 located at the bottom, a universal plug rod 305 is fixedly provided on the first support plate 304 located at the bottom, a rotating shaft 402 is fixedly provided on the upper and lower ends of the adjustment rod 401, a universal adjustment disk 306 is fixedly sleeved on the rotating shaft 402 located at the bottom, and the universal plug rod 305 located at the bottom is adapted to the universal adjustment disk 306 located at the bottom.

[0027] In this embodiment, a sleeve 403 is slidably sleeved on the adjusting rod 401, a universal support 301 is fixedly provided on the rear side of the sleeve 403, a second support plate 404 is fixedly provided on the universal sliding rod 302 located on the rear side, a universal plug rod 305 is fixedly provided on the second support plate 404, a plurality of adjusting holes 405 are opened on the adjusting rod 401, and the universal plug rod 305 located on the rear side is adapted to the adjusting holes 405.

[0028] In this embodiment, the third adjustment mechanism 5 includes a U-shaped bracket 501, and the U-shaped bracket 501 is located on the front side of the sleeve 403. A universal support 301 is fixedly provided on both sides of the left and right sides of the U-shaped bracket 501. A horizontal axis 502 is rotatably provided on the inner wall of the U-shaped bracket 501. A universal adjustment disk 306 is fixedly sleeved on both ends of the left and right ends of the horizontal axis 502. The universal insertion rods 305 respectively located on the left and right sides are adapted to the corresponding universal adjustment disks 306.

[0029] In this embodiment, the display screen 2 is fixedly mounted on the horizontal axis 502 , which facilitates the display screen 2 to rotate.

[0030] In this embodiment, mounting plates are fixedly provided on the four corners of the bottom of the base 1, and the rotating shaft 402 located below is rotatably connected to the base 1, which can facilitate the installation of the device in different positions.

[0031] In this embodiment, when in use, the base 1 can be installed on the ground, a table or suspended on the roof by fixing the mounting plate on the ground or the roof with bolts, and the installation freedom is higher. Furthermore, by rotating the adjusting rod 401, the display screen 2 can be driven to rotate left and right in the horizontal direction. By sliding the sleeve 403, the display screen 2 can be driven to move up and down along the adjusting rod 401, and then the height of the display screen 2 can be adjusted. By rotating the horizontal axis 502, the display screen 2 can be driven to rotate up and down in the horizontal direction, so that multi-angle adjustment can be conveniently performed.

[0032] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0033] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0034] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A multi-angle control device for a screen projection device, characterized in that: The device comprises a display screen (2), and further comprises: A base (1), wherein a first adjustment mechanism (3) and a second adjustment mechanism (4) are arranged on the base (1), wherein the second adjustment mechanism (4) comprises an adjustment rod (401), and a third adjustment mechanism (5) is arranged on the adjustment rod (401).

2. A multi-angle control device for screen projection equipment according to claim 1, characterized in that: The first adjustment mechanism (3) comprises a universal support (301), the universal support (301) located at the bottom is fixedly connected to the base (1), a universal slide bar (302) is slidably arranged on the universal support (301) located at the bottom, a universal spring (303) is slidably sleeved on the universal slide bar (302) located at the bottom, a first support plate (304) is fixedly arranged on the universal slide bar (302) located at the bottom, a universal insertion rod (305) is fixedly arranged on the first support plate (304) located at the bottom, a rotating shaft (402) is fixedly arranged on the upper and lower ends of the adjustment rod (401), a universal adjustment disk (306) is fixedly sleeved on the rotating shaft (402) located at the bottom, and the universal insertion rod (305) located at the bottom is adapted to the universal adjustment disk (306) located at the bottom.

3. A multi-angle control device for screen projection equipment according to claim 2, characterized in that: The adjusting rod (401) is slidably sleeved with a sleeve (403), a universal support (301) is fixedly arranged on the rear side of the sleeve (403), a second support plate (404) is fixedly arranged on the universal sliding rod (302) located on the rear side, a universal plug rod (305) is fixedly arranged on the second support plate (404), a plurality of adjusting holes (405) are opened on the adjusting rod (401), and the universal plug rod (305) located on the rear side is adapted to the adjusting holes (405).

4. A multi-angle control device for screen projection equipment according to claim 3, characterized in that: The third adjustment mechanism (5) comprises a U-shaped bracket (501), the U-shaped bracket (501) is located at the front side of the sleeve (403), a universal support (301) is fixedly arranged on both the left and right sides of the U-shaped bracket (501), a transverse axis (502) is rotatably arranged on the inner wall of the U-shaped bracket (501), a universal adjustment disk (306) is fixedly sleeved on both the left and right ends of the transverse axis (502), and the universal insertion rods (305) respectively located on the left and right sides are adapted to the corresponding universal adjustment disks (306).

5. A multi-angle control device for screen projection equipment according to claim 4, characterized in that: The display screen (2) is fixedly mounted on the horizontal axis (502).

6. A multi-angle control device for screen projection equipment according to claim 2, characterized in that: Mounting plates are fixedly arranged at the four corners of the bottom of the base (1), and the rotating shaft (402) located below is rotatably connected to the base (1).

Images