Ambient light resistant projection screen

The projection screen with a telescopic and flip mechanism addresses the issue of ambient light interference by folding and shielding the screen, improving storage efficiency and projection quality.

CN222213189UActive Publication Date: 2024-12-20GUANGDONG FOCUS WEIYE TECH CO LTD
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Patent Information

Application Number
CN202420980043.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-08
Publication Date
2024-12-20
Estimated Expiration
2034-05-08

AI Technical Summary

Technical Problem

Existing projection screens lack resistance to ambient light, causing projected images to become unclear and reducing projection quality.

Method used

A projection screen incorporating a telescopic component and a flip component, featuring a telescopic assembly with a motor-driven threaded rod system and a flip assembly with a cylinder-driven shading mechanism, allowing the screen to be folded and shielded from ambient light.

Benefits of technology

The design enables the screen to be stored compactly and effectively shields ambient light, enhancing projection clarity and effectiveness.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of anti-ambient-light projection screens, and discloses an anti-ambient-light projection screen, which comprises a telescopic assembly and a turnover assembly, the telescopic assembly comprises a base, the top of the base is fixedly connected with a screen body, the rear side of the screen body is fixedly connected with a support frame, and the turnover assembly is fixedly connected with the support frame. A motor is fixedly connected to the bottom of the supporting frame, a threaded rod is fixedly connected to the output end of the top of the motor, the top of the threaded rod penetrates into an inner cavity of the supporting frame and is sleeved with a threaded sleeve, a transmission block is fixedly connected to the surface of the threaded sleeve, and transmission rods are movably connected to the two sides of the front side of the transmission block through rotating shafts. And the opposite sides of the two transmission rods are movably connected with overturning frames through rotating shafts. The beneficial effects of the utility model are that the turnover assembly can be folded and stored by using the telescopic assembly, so that the storage space is saved, the ambient light can be shielded by using the turnover assembly, and the projection effect is improved.
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Description

Technical Field

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

[0002] Projection screen is one of the most commonly used products among projector peripheral devices. Projection screen is the abbreviation of projection screen. If the projection screen is properly matched with the projector, high-quality projection effects can be achieved.

[0003] However, the anti-ambient light projection screen in the prior art does not have the anti-light function of the projection screen. When in use, the ambient light easily makes the projected image unclear, reducing the projection effect. Therefore, we propose an anti-ambient light projection screen. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a projection screen that is resistant to ambient light, which solves the problem that the existing projection screens that are resistant to ambient light do not have the function of resisting light for the projection screen, and the ambient light can easily make the projected image unclear during use, thereby reducing the projection effect.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solution: a projection screen resistant to ambient light, comprising a telescopic component and a flip component,

[0008] The telescopic assembly includes a base, the top of the base is fixedly connected to a screen body, the rear side of the screen body is fixedly connected to a support frame, the bottom of the support frame is fixedly connected to a motor, the output end of the top of the motor is fixedly connected to a threaded rod, the top of the threaded rod penetrates into the inner cavity of the support frame and is sleeved with a threaded sleeve, the surface of the threaded sleeve is fixedly connected to a transmission block, both sides of the front side of the transmission block are movably connected to a transmission rod through a rotating shaft, the opposite sides of the two transmission rods are movably connected to a flip frame through a rotating shaft, the tops of both sides of the support frame are fixedly connected to limit plates, the inner cavities of the two limit plates are provided with slide rails used in conjunction with the slide rods, and the opposite sides of the two slide rods are fixedly connected to the flip frame; and

[0009] A flip assembly, the flip assembly includes two shells, the rear sides of the two shells are fixedly connected to the flip frame, the opposite sides of the two shells are fixedly connected to a cylinder, the output end of the cylinder passes through the inner cavity of the shell and is fixedly connected to a toothed plate, the top of the front side of the flip frame is fixedly connected to a transmission bracket, the inner cavity of the transmission bracket is fixedly connected to a transmission shaft, the bottom of the transmission shaft is fixedly connected to a gear, the gear is meshed with the toothed plate, and the surface of the transmission shaft is fixedly connected to a sunshade

[0010] As a preferred solution, a fixing frame is fixedly connected to the top of the base, and the fixing frame is fixedly connected to the screen body by bolts.

[0011] As a preferred solution, a fixing ring is fixedly connected to the top of the motor, and the fixing ring is fixedly connected to the support frame.

[0012] As a preferred solution, the front sides of the two limiting plates close to the support frame are fixedly connected to reinforcing plates, and the opposite sides of the two reinforcing plates are fixedly connected to the support frame.

[0013] As a preferred solution, a limit rod is provided in the inner cavity of the shell, and both sides of the limit rod are fixedly connected to the inner cavity of the shell.

[0014] As a preferred solution, two fixing rings are provided on the surface of the transmission shaft, and both fixing rings are fixedly connected to the sunshade.

[0015] As a preferred solution, two positioning rods are provided on the rear side of the support frame, the bottom of the positioning rods passes through the transmission block, the top and bottom of the two positioning rods are fixedly connected with positioning blocks, and the front side of the positioning blocks is fixedly connected to the support frame.

[0016] As a preferred solution, a limiting sleeve is sleeved on the surface of the limiting rod, and the front side of the limiting sleeve is fixedly connected to the tooth plate.

[0017] (III) Beneficial effects

[0018] Compared with the prior art, the beneficial effects achieved by the present invention are: by utilizing the telescopic component, the flip component can be folded and stored to save storage space; by utilizing the flip component, ambient light can be shielded to improve the projection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the utility model;

[0020] Figure 2 It is a rear view of the base and telescopic assembly of the utility model;

[0021] Figure 3 It is a schematic diagram of the telescopic assembly of the utility model;

[0022] Figure 4 It is a rear view of the telescopic assembly of the utility model;

[0023] Figure 5 It is a cross-sectional view of the flip assembly of the utility model;

[0024] Figure 6 It is a schematic diagram of the structure of the flip assembly of the utility model.

[0025] In the figure: 1. telescopic component; 101. base; 102. screen body; 103. support frame; 104. motor; 105. threaded rod; 106. threaded sleeve; 107. transmission block; 108. transmission rod; 109. flip frame; 110. limit plate; 111. slide rod; 2. flip component; 201. shell; 202. cylinder; 203. gear plate; 204. transmission bracket; 205. transmission shaft; 206. gear; 207. shading plate; 3. fixing frame; 4. fixing ring; 5. reinforcement plate; 6. limit rod; 7. fixing ring; 8. positioning rod; 9. positioning block; 10. limit sleeve. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0029] Example 1

[0030] Reference Figure 1-Figure 6 , which is the first embodiment of the utility model, and provides a projection screen resistant to ambient light, comprising a telescopic component 1 and a flip component 2,

[0031] The telescopic assembly 1 includes a base 101, a screen body 102 is fixedly connected to the top of the base 101, a support frame 103 is fixedly connected to the rear side of the screen body 102, a motor 104 is fixedly connected to the bottom of the support frame 103, a threaded rod 105 is fixedly connected to the output end of the top of the motor 104, the top of the threaded rod 105 penetrates into the inner cavity of the support frame 103 and is sleeved with a threaded sleeve 106, a transmission block 107 is fixedly connected to the surface of the threaded sleeve 106, both sides of the front side of the transmission block 107 are movably connected to a transmission rod 108 through a rotating shaft, and the opposite sides of the two transmission rods 108 are movably connected to a flip frame 109 through a rotating shaft, the tops of both sides of the support frame 103 are fixedly connected to limit plates 110, the inner cavities of the two limit plates 110 are provided with slide rails used in conjunction with slide rods 111, and the opposite sides of the two slide rods 111 are fixedly connected to the flip frame 109; and

[0032] The flip assembly 2 includes two shells 201, the rear sides of the two shells 201 are fixedly connected to the flip frame 109, the opposite sides of the two shells 201 are fixedly connected with a cylinder 202, the output end of the cylinder 202 passes through the inner cavity of the shell 201 and is fixedly connected with a tooth plate 203, the top of the front side of the flip frame 109 is fixedly connected with a transmission bracket 204, the inner cavity of the transmission bracket 204 is fixedly connected with a transmission shaft 205, the bottom of the transmission shaft 205 is fixedly connected with a gear 206, the gear 206 is meshed with the tooth plate 203, and the surface of the transmission shaft 205 is fixedly connected with a sunshade plate 207.

[0033] Specifically: by utilizing the telescopic component 1, the flip component 2 can be stored to save space, and by utilizing the flip component 2, the screen body 102 can be shielded to improve the projection effect.

[0034] Example 2

[0035] Reference Figure 1-Figure 6 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment.

[0036] A fixing frame 3 is fixedly connected to the top of the base 101 , and the fixing frame 3 is fixedly connected to the screen body 102 via bolts.

[0037] Specifically, the fixing frame 3 can improve the stability of the base 101 fixing the screen body 102 .

[0038] A fixing ring 4 is fixedly connected to the top of the motor 104 , and the fixing ring 4 is fixedly connected to the support frame 103 .

[0039] Specifically: the stability of the motor 104 can be improved by fixing the ring 4 .

[0040] The front sides of the two limiting plates 110 close to the support frame 103 are both fixedly connected with the reinforcing plates 5 , and the opposite sides of the two reinforcing plates 5 are both fixedly connected to the support frame 103 .

[0041] Specifically, the stability of the limiting plate 110 can be improved by providing the reinforcing plate 5 .

[0042] Example 3

[0043] Reference Figure 1-Figure 6 , which is the third embodiment of the utility model, and this embodiment is based on the above two embodiments.

[0044] The inner cavity of the housing 201 is provided with a limit rod 6 , and both sides of the limit rod 6 are fixedly connected to the inner cavity of the housing 201 .

[0045] Specifically: the tooth plate 203 is limited by setting a limiting rod 6 .

[0046] Two fixing rings 7 are disposed on the surface of the transmission shaft 205 , and the two fixing rings 7 are both fixedly connected to the sunshade 207 .

[0047] Specifically, the stability of the sunshade 207 can be improved by providing the fixing ring 7 .

[0048] Two positioning rods 8 are provided on the rear side of the support frame 103 , the bottom of the positioning rods 8 passes through the transmission block 107 , the top and bottom of the two positioning rods 8 are fixedly connected with positioning blocks 9 , and the front side of the positioning blocks 9 is fixedly connected to the support frame 103 .

[0049] Specifically, by using the positioning rod 8 and the positioning block 9 in coordination, the transmission block 107 can be limited, thereby improving the stability of the transmission block 107 when moving.

[0050] A limiting sleeve 10 is sleeved on the surface of the limiting rod 6 , and the front side of the limiting sleeve 10 is fixedly connected to the tooth plate 203 .

[0051] Specifically, the limiting sleeve 10 can be provided to improve the stability of the tooth plate 203 during movement.

[0052] The working principle of the utility model is as follows: when in use, by turning on the motor 104, the output end of the motor 104 drives the threaded rod 105 to rotate, and the rotation of the threaded rod 105 drives the threaded sleeve 106 to move, and when the threaded sleeve 106 moves, the transmission block 107 is driven to move upward, and when the transmission block 107 moves upward, the transmission rod 108 is driven to expand outward, and when the transmission rod 108 expands outward, the flip frame 109 is driven to move outward, and the limit plate 110 and the slide bar 111 are used in coordination, and the flip frame 109 can be limited to the left and right. When the flip frame 109 moves to a suitable position, the cylinder 202 needs to be turned on, and the cylinder 202 pushes the tooth plate 203, and when the tooth plate 203 moves, the meshing gear 206 is driven to rotate, and when the gear 206 rotates, the transmission shaft 205 is driven, and when the transmission shaft 205 rotates, the shading plate 207 is driven to rotate 90°, thereby achieving the purpose of shading the screen body 102 and improving its anti-ambient light effect.

[0053] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A projection screen resistant to ambient light, characterized in that: The telescopic assembly (1) comprises a telescopic assembly (1) and a flip assembly (2), wherein the telescopic assembly (1) comprises a base (101), the top of the base (101) is fixedly connected to a screen body (102), the rear side of the screen body (102) is fixedly connected to a support frame (103), the bottom of the support frame (103) is fixedly connected to a motor (104), the output end of the top of the motor (104) is fixedly connected to a threaded rod (105), the top of the threaded rod (105) penetrates the inner cavity of the support frame (103) and is sleeved with a threaded sleeve (106), the surface of the threaded sleeve (106) is fixedly connected to a transmission block (107), both sides of the front side of the transmission block (107) are movably connected to transmission rods (108) via rotating shafts, the opposite sides of the two transmission rods (108) are movably connected to flip frames (109) via rotating shafts, the tops of both sides of the support frame (103) are fixedly connected to limit plates (110), the two limit plates (111) are fixedly connected to the tops of the two sides of the support frame (103), and the two limit plates (110) are fixedly connected to the tops of the two sides of the support frame (103). The inner cavity of the position plate (110) is provided with a slide rail for use with the slide rod (111), and the opposite sides of the two slide rods (111) are fixedly connected to the flip frame (109); and a flip assembly (2), the flip assembly (2) comprising two shells (201), the rear sides of the two shells (201) are fixedly connected to the flip frame (109), and the opposite sides of the two shells (201) are fixedly connected to the cylinder (202), and the output end of the cylinder (202) A toothed plate (203) is fixedly connected to the inner cavity of the shell (201), a transmission bracket (204) is fixedly connected to the top of the front side of the flip frame (109), a transmission shaft (205) is fixedly connected to the inner cavity of the transmission bracket (204), a gear (206) is fixedly connected to the bottom of the transmission shaft (205), the gear (206) is meshed with the toothed plate (203), and a sunshade (207) is fixedly connected to the surface of the transmission shaft (205).

2. The projection screen against ambient light according to claim 1, characterized in that: A fixing frame (3) is fixedly connected to the top of the base (101), and the fixing frame (3) is fixedly connected to the screen body (102) via bolts.

3. The projection screen against ambient light according to claim 1, characterized in that: A fixing ring (4) is fixedly connected to the top of the motor (104), and the fixing ring (4) is fixedly connected to the support frame (103).

4. The projection screen against ambient light according to claim 1, characterized in that: The front sides of the two limiting plates (110) close to the support frame (103) are both fixedly connected to the reinforcing plates (5), and the opposite sides of the two reinforcing plates (5) are both fixedly connected to the support frame (103).

5. The projection screen against ambient light according to claim 1, characterized in that: The inner cavity of the housing (201) is provided with a limiting rod (6), and both sides of the limiting rod (6) are fixedly connected to the inner cavity of the housing (201).

6. The projection screen against ambient light according to claim 1, characterized in that: Two fixing rings (7) are arranged on the surface of the transmission shaft (205), and the two fixing rings (7) are fixedly connected to the light shielding plate (207).

7. The projection screen against ambient light according to claim 1, characterized in that: Two positioning rods (8) are arranged on the rear side of the support frame (103), the bottoms of the positioning rods (8) pass through the transmission block (107), the tops and bottoms of the two positioning rods (8) are fixedly connected to positioning blocks (9), and the front sides of the positioning blocks (9) are fixedly connected to the support frame (103).

8. The projection screen against ambient light according to claim 5, characterized in that: A limiting sleeve (10) is sleeved on the surface of the limiting rod (6), and the front side of the limiting sleeve (10) is fixedly connected to the toothed plate (203).