Suspended projection screen

Abstract

The utility model relates to the technical field of projection screens, in particular to a suspension type projection screen which comprises an upper main body, a rotating motor is fixedly connected to the center of one side of the upper main body, the output end of the rotating motor penetrates through the upper main body to the other end of the inner side and is fixedly connected with a reel, and a screen is fixedly connected to the outer side of the reel. A lower main body is fixedly connected to the lower end of the curtain, a sliding rail is fixedly connected to the center of the lower end of the lower main body, sliding blocks are symmetrically and slidably connected to the two sides of the sliding rail, counterweight devices are fixedly connected to the lower ends of the sliding blocks, limiting columns are fixedly connected to the upper ends of the inner sides of front end openings of the counterweight devices, and counterweight blocks penetrate through the limiting columns and are movably connected to the limiting columns. And the two sides of the upper end surface of the upper main body are symmetrically and fixedly connected with mounting frames. The suspension type projection screen provided by the utility model has the advantage that the lower end of the screen can be stabilized through the arranged counterweight to prevent the screen from curling.

Description

Technical Field

[0001] The utility model relates to the technical field of projection screens, in particular to a hanging projection screen. Background Art

[0002] Projection screens are widely used in advertising, teaching, publicity, and the arts, enabling various video presentations with projectors and playing a significant role in information dissemination. For ease of use, projection screens are often installed in environments where projection is frequently used. When not in use, the screen is stored within its outer casing; when projection is required, it is lowered from the opening in the outer casing. However, when used outdoors, conventional hanging projection screens can curl due to environmental influences, affecting viewing quality.

[0003] Therefore, it is necessary to provide a new hanging projection screen to solve the above technical problems. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a hanging projection screen.

[0005] The utility model provides a hanging projection screen comprising:

[0006] The upper body has a rotating motor fixedly connected to the center of one side of the upper body, the output end of the rotating motor passes through the upper body and is fixedly connected to the other end inside the upper body, the outer side of the reel is fixedly connected to the curtain, and the lower end of the curtain is fixedly connected to the lower body;

[0007] The counterweight is fixedly connected to a slide rail at the center of the lower end of the lower main body, and sliders are symmetrically slidably connected on both sides of the slide rail. The lower end of the slider is fixedly connected to the counterweight, and the upper end of the inner side of the front opening of the counterweight is fixedly connected to a limiting column, and a counterweight block is passed through and movably connected to the limiting column.

[0008] Preferably, mounting brackets are symmetrically fixedly connected to both sides of the upper end surface of the upper main body, and a screen can be hung and installed via the provided mounting brackets.

[0009] Preferably, a mounting hole is provided at the upper end of the mounting frame, and the screen can be conveniently installed and fixed through the provided mounting hole.

[0010] Preferably, a handle is fixedly connected to the center of the front end of the counterweight, and the counterweight can be easily moved by the provided handle.

[0011] Preferably, the ends of both sides of the slide rail are symmetrically fixedly connected with limit plates, and the limit plates can prevent the slider from falling off.

[0012] Preferably, a controller is provided at the lower end of the rotating motor, and the screen can be operated intuitively through the provided controller.

[0013] Preferably, the rotating motor is electrically connected to the controller via wires, and the power and control signals can be transmitted to the electronic components via the provided wires.

[0014] Preferably, a power line is fixedly connected to the rear side of the rotating motor, and the power line can provide power to the entire screen.

[0015] Compared with the related art, the hanging projection screen provided by the present invention has the following beneficial effects:

[0016] The utility model provides a hanging projection screen;

[0017] 1. The utility model can operate the screen to unfold through the controller. When it is needed, the output end of the rotary motor can be controlled by the controller to rotate, driving the reel to rotate and driving the screen to unfold downward. When it is needed to be stored, the output end of the rotary motor can be controlled by the controller to rotate in the opposite direction, driving the reel to rotate and driving the screen to roll up, thereby realizing the unfolding and storage of the screen.

[0018] 2. The utility model can fix the lower end of the curtain by means of a counterweight. In an outdoor environment, the counterweight block can be manually placed on the limit column inside the front end opening of the counterweight to increase the weight of the lower body. The handle can be manually pushed to drive the counterweight to move horizontally on the slide rail through the slider to adjust the position of the center of gravity of the counterweight on the slide rail, thereby stabilizing the lower end of the curtain by the counterweight to prevent the curtain from curling and shaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of the hanging projection screen provided by the utility model;

[0020] Figure 2 for Figure 1 The enlarged structural diagram of A shown;

[0021] Figure 3 for Figure 1 A schematic front cross-sectional structural diagram of the upper body shown;

[0022] Figure 4 for Figure 1 The side cross-sectional structural diagram of the lower body is shown.

[0023] Numbers in the figure: 1. Upper body; 2. Lower body; 3. Rotating motor; 4. Scroll; 5. Curtain; 6. Mounting frame; 7. Mounting hole; 8. Slide rail; 9. Slider; 10. Controller; 11. Wire; 12. Power cord; 13. Counterweight; 14. Handle; 15. Limit column; 16. Counterweight block; 17. Limit plate. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0025] The specific implementation of the present invention is described in detail below with reference to specific embodiments.

[0026] See also Figures 1 to 4 The embodiment of the present invention provides a hanging projection screen, which includes:

[0027] The upper body 1 has a rotating motor 3 fixedly connected to the center of one side of the upper body 1. The output end of the rotating motor 3 passes through the upper body 1 and is fixedly connected to the other end inside the upper body 1. The outer side of the reel 4 is fixedly connected to a curtain 5, and the lower end of the curtain 5 is fixedly connected to the lower body 2.

[0028] The counterweight 13 is fixedly connected to a slide rail 8 at the center of the lower end of the lower main body 2, and sliders 9 are symmetrically slidably connected on both sides of the slide rail 8. The lower end of the slider 9 is fixedly connected to the counterweight 13, and the upper end of the inner side of the front end opening of the counterweight 13 is fixedly connected to a limiting column 15, and a counterweight block 16 is passed through and movably connected to the limiting column 15.

[0029] It should be noted that: when it is needed, the output end of the rotating motor 3 can be controlled to rotate by operating the controller 10, thereby driving the reel 4 to rotate and driving the curtain 5 to unfold downward. When it needs to be stored, the output end of the rotating motor 3 can be controlled to rotate in the opposite direction by operating the controller 10, thereby driving the reel 4 to rotate and driving the curtain 5 to roll up, thereby realizing the unfolding and storage of the curtain 5. In an outdoor environment, the counterweight block 16 can be manually placed on the limit column 15 inside the front end opening of the counterweight 13 to increase the weight of the lower main body 2. The handle 14 can be manually pushed to drive the counterweight 13 to translate on the slide rail 8 through the slider 9 to adjust the position of the center of gravity of the counterweight 13 on the slide rail 8, thereby realizing the stabilization of the lower end of the curtain by the counterweight to prevent the curtain from curling and shaking.

[0030] In the embodiments of the present invention, please refer to Figure 1 and Figure 4 The upper end surface of the upper main body 1 is symmetrically fixedly connected with mounting brackets 6 on both sides, and the screen can be hung and installed through the mounting brackets 6.

[0031] In the embodiments of the present invention, please refer to Figure 1 and Figure 4 The upper end of the mounting frame 6 is provided with a mounting hole 7, through which the screen can be conveniently installed and fixed.

[0032] In the embodiments of the present invention, please refer to Figure 1 and Figure 4 A handle 14 is fixedly connected to the front center of the counterweight 13, and the counterweight 13 can be easily moved by the provided handle 14.

[0033] In the embodiments of the present invention, please refer to Figure 1 and Figure 4 The ends of both sides of the slide rail 8 are symmetrically fixedly connected with the limit plates 17, and the limit plates 17 can prevent the slider 8 from falling off.

[0034] In the embodiments of the present invention, please refer to Figure 1 and Figure 4 A controller 10 is provided at the lower end of the rotating motor 3, and the screen can be operated intuitively through the provided controller 10.

[0035] In the embodiments of the present invention, please refer to Figure 1 and Figure 4 The rotating motor 3 is electrically connected to the controller 10 through the wire 11, and the power and control signals can be transmitted to each electronic component through the provided wire 11.

[0036] In the embodiments of the present invention, please refer to Figure 1 and Figure 4 A power line 12 is fixedly connected to the rear side of the rotating motor 3, and the power line 12 can provide power to the entire screen.

[0037] The working principle of the hanging projection screen provided by the utility model is as follows:

[0038] When in use, first lower the power cord 12 on the rear side of the rotating motor 3 to connect the power supply. When it is needed, the output end of the rotating motor 3 can be controlled to rotate by operating the controller 10, driving the reel 4 to rotate and driving the curtain 5 to unfold downward. When it needs to be stored, the output end of the rotating motor 3 can be controlled to rotate in the opposite direction by operating the controller 10, driving the reel 4 to rotate and driving the curtain 5 to roll up, thereby realizing the unfolding and storage of the curtain 5. In an outdoor environment, the counterweight block 16 can be manually placed on the limit column 15 on the inner side of the front end opening of the counterweight 13 to increase the weight of the lower main body 2. The handle 14 can be manually pushed to drive the counterweight 13 to translate on the slide rail 8 through the slider 9 to adjust the position of the center of gravity of the counterweight 13 on the slide rail 8, thereby realizing the stabilization of the lower end of the curtain by the counterweight to prevent the curtain from curling and shaking.

[0039] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A hanging projection screen, characterized in that: include: An upper body (1), wherein a rotating motor (3) is fixedly connected at the center of one side of the upper body (1), an output end of the rotating motor (3) passes through the upper body (1) and is fixedly connected to a reel (4) at the other inner end, a curtain (5) is fixedly connected to the outer side of the reel (4), and a lower end of the curtain (5) is fixedly connected to the lower body (2); The counterweight (13) is fixedly connected to a slide rail (8) at the center of the lower end of the lower body (2), and sliders (9) are symmetrically slidably connected to the two sides of the slide rail (8). The lower end of the slider (9) is fixedly connected to the counterweight (13), and the upper end of the inner side of the front opening of the counterweight (13) is fixedly connected to a limiting column (15), and a counterweight block (16) is passed through and movably connected to the limiting column (15).

2. The hanging projection screen according to claim 1, characterized in that: Mounting frames (6) are symmetrically fixedly connected to both sides of the upper end surface of the upper main body (1).

3. The hanging projection screen according to claim 2, characterized in that: A mounting hole (7) is provided at the upper end of the mounting frame (6).

4. The hanging projection screen according to claim 1, characterized in that: A handle (14) is fixedly connected to the center of the front end of the counterweight (13).

5. The hanging projection screen according to claim 1, characterized in that: The ends of both sides of the slide rail (8) are symmetrically fixedly connected to the limiting plates (17).

6. The hanging projection screen according to claim 1, characterized in that: A controller (10) is provided at the lower end of the rotating motor (3).

7. The hanging projection screen according to claim 6, characterized in that: The rotating motor (3) is electrically connected to the controller (10) via an electric wire (11).

8. The hanging projection screen according to claim 1, wherein: A power line (12) is fixedly connected to the rear side of the rotating motor (3).

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