Projection device capable of adjusting projection angle
By designing adjustment screws and clamping components in the projector, the problem of insufficient angle adjustment and stability of the projector is solved, and flexible adjustment of projection angle and improved picture stability are achieved.
Patent Information
- Application Number
- CN202420945104.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-04-30
AI Technical Summary
Existing projectors are difficult to adjust the projection angle, which leads to a single angle and is inconvenient to use. At the same time, the screen is easily shaken and positional offset due to collision during the movie viewing process, affecting stability.
An adjustment assembly including an adjustment screw, a rotary hand, a slider, a fixing rod, a moving plate and a connecting plate, and a projection device for placing a clamping assembly for frames, slide rods, pull rings, springs and clamping plates are designed, through which The combination of components enables adjustment of projection angle and stable clamping of projector.
It realizes flexible adjustment of projection angle and improves picture stability, avoids single angles and shaking problems, and improves the viewing experience.
Smart Images
Figure CN222297493U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of projection devices, in particular to a projection device with adjustable projection angle. Background Art
[0002] A projector, also known as a projector, is a device that can project images or videos onto a screen. It can be connected to computers, VCDs, DVDs, BDs, game consoles, DVs, etc. through different interfaces to play corresponding video signals. Projectors are widely used in homes, offices, schools, and entertainment venues.
[0003] However, the projector in the prior art also has the disadvantage that it is difficult to adjust the projection angle. When in use, the projection device has a single angle that is difficult to adjust, while there is a certain requirement for the projection angle when watching a movie, which makes the device limited and not conducive to use. Moreover, the projector in the prior art also has the disadvantage that it is difficult to improve the stability of the picture during the projection process. When in use, if the projector is accidentally touched during the viewing process and the projector is not clamped and fixed, the picture is easy to shake and the position is easy to shift, resulting in reduced picture stability and affecting the viewing effect. Utility Model Content
[0004] The purpose of the utility model is to provide a projection device with adjustable projection angle to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A projection device with adjustable projection angle, comprising
[0007] A base, the top of the base is fixedly connected to a fixed frame, the internal thread of the fixed frame is connected to an adjustment component, the adjustment component includes an adjustment screw, a first turn handle, an adjustment slider, a fixed rod, a movable plate, a first movable rod and a connecting plate, the outer surface of the adjustment screw is threadedly connected to the inside of the fixed frame, one end of the adjustment screw is fixedly connected to the first turn handle, the outer surface of the screw is threadedly connected to the adjustment slider, one side of the adjusting slider is fixedly connected to the fixed rod, the outer surface of the fixed rod is rotatably connected to the movable plate, the inner side wall of the movable plate is rotatably connected to the first movable rod, and the outer surface of the first movable rod is rotatably connected to the connecting plate;
[0008] The top of the connecting plate is fixedly connected with an adjusting plate, the internal thread of the adjusting plate is connected with a lifting assembly, the top of the lifting assembly is fixedly connected with a clamping assembly, the clamping assembly includes a placement frame, a slide bar, a pull ring, a spring and a clamping plate, the bottom of the placement frame is fixedly connected to the top of the lifting assembly, the interior of the placement frame is slidably connected with a slide bar, one end of the slide bar is fixedly connected with a pull ring, the outer surface of the slide bar is fixedly connected with a spring, and the end of the slide bar away from the pull ring is fixedly connected with a clamping plate;
[0009] The bottom of the base is fixedly connected with a stabilizing component, and one side of the clamping plate is clamped with a projector body.
[0010] Preferably, the adjustment assembly further comprises a fixed block and a second movable rod, the bottom of the fixed block is fixedly connected to one side of the top of the base, and the interior of the fixed block is rotatably connected to the second movable rod.
[0011] Preferably, the lifting assembly includes a lifting screw, a second handle and a lifting slider, the outer surface of the lifting screw is threadedly connected to the inside of the adjustment plate, one end of the lifting screw is fixedly connected to the second handle, and the outer surface of the lifting screw is threadedly connected to the lifting slider.
[0012] Preferably, the stabilizing assembly includes a tripod and an anti-skid pad, the top of the tripod is fixedly connected to the bottom of the base, and the bottom of the tripod is fixedly connected to the anti-skid pad.
[0013] Preferably, a strip-shaped slide groove is provided on the inner bottom wall of the fixed frame, a sliding block is fixedly connected to the bottom of the adjusting slider, and an outer surface of the sliding block is slidably connected to the inside of the strip-shaped slide groove.
[0014] Preferably, a protective plate is fixedly connected to the top of the base, and a visual window is fixedly connected to one side of the protective plate.
[0015] Preferably, an elliptical slide groove is provided in the middle of one side of the fixing frame, and the outer surface of the fixing rod is slidably connected to the inside of the elliptical slide groove.
[0016] Compared with the prior art, the beneficial effects of the utility model are:
[0017] 1. A projection device with adjustable projection angle, through the arrangement of an adjusting screw, a first handle, an adjusting slider, a fixed rod, a movable plate, a first movable rod and a connecting plate, when in use, the first handle can be rotated to drive the adjusting screw to rotate, the adjusting screw rotation drives the adjusting slider to move forward and backward, the adjustment slider movement drives the fixed rod to slide forward and backward, at this time, the movable plate on the surface of the fixed rod will be lifted up and down, thereby driving the first movable rod to rotate, and lifting or lowering the connecting plate on the top of the device, thereby achieving the effect of adjusting the projection angle, avoiding the situation that the projection device has a single angle and is difficult to adjust, and there is a certain demand for the projection angle when watching a movie, which leads to the device having limitations and is not conducive to use.
[0018] 2. A projection device with adjustable projection angle, through the arrangement of a placement frame, a sliding rod, a pull ring, a spring and a clamping plate. After adjusting the projection angle of the device, the projector is placed on the placement frame. At this time, the pull ring can be pulled outward to drive the sliding rod to slide outward. After the pull ring is released, the spring will drive the clamping plate to move toward the side of the projector due to its own tension to clamp the projector, thereby achieving the effect of improving the stability of the picture during the projection process, avoiding the situation in which the projector is accidentally touched during the viewing process, the projector is not clamped and fixed, the picture is easy to shake and the position is easy to shift, which leads to reduced picture stability and affects the viewing effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a three-dimensional appearance schematic diagram of the utility model;
[0020] Figure 2 This is a schematic diagram of the partial structural disassembly of the device of the utility model;
[0021] Figure 3 This is a schematic diagram of the disassembly of the adjustment component of the utility model;
[0022] Figure 4 It is an enlarged schematic diagram of the lifting component of the utility model;
[0023] Figure 5 For the utility model Figure 4 Enlarged schematic diagram at point A in the middle.
[0024] In the figure: 1. base; 2. fixed frame; 3. adjusting screw; 4. first handle; 5. adjusting slider; 6. fixed rod; 7. movable plate; 8. first movable rod; 9. connecting plate; 10. adjusting plate; 11. placement frame; 12. sliding rod; 13. pull ring; 14. spring; 15. clamping plate; 16. projector body; 17. fixed block; 18. second movable rod; 19. lifting screw; 20. second handle; 21. lifting slider; 22. tripod; 23. anti-slip pad; 24. sliding block; 25. protective plate; 26. viewing window. DETAILED DESCRIPTION
[0025] 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.
[0026] See also Figure 1-Figure 5 As shown, a technical solution provided by the utility model:
[0027] A projection device with adjustable projection angle, comprising
[0028] Base 1, the top of the base 1 is fixedly connected with a fixed frame 2, the internal thread of the fixed frame 2 is connected with an adjustment component, the adjustment component includes an adjustment screw 3, a first turn handle 4, an adjustment slider 5, a fixed rod 6, a movable plate 7, a first movable rod 8 and a connecting plate 9, the outer surface of the adjustment screw 3 is threadedly connected to the inside of the fixed frame 2, one end of the adjustment screw 3 is fixedly connected with the first turn handle 4, the outer surface of the screw is threadedly connected with the adjustment slider 5, one side of the adjustment slider 5 is fixedly connected with the fixed rod 6, the outer surface of the fixed rod 6 is rotatably connected with the movable plate 7, and the inner side wall of the movable plate 7 is rotatably connected with the first movable rod 8 The outer surface of the first movable rod 8 is rotatably connected with a connecting plate 9, and the first handle 4 can be rotated to drive the adjusting screw 3 to rotate, and the adjusting screw 3 rotates to drive the adjusting slider 5 to move forward and backward, and the movement of the adjusting slider 5 drives the fixed rod 6 to slide forward and backward. At this time, the movable plate 7 on the surface of the fixed rod 6 will be lifted up and down, thereby driving the first movable rod 8 to rotate, and lifting or lowering the connecting plate 9 on the top of the device, thereby achieving the effect of adjusting the projection angle, avoiding the situation that the projection device has a single angle and is difficult to adjust, and there is a certain demand for the projection angle when watching a movie, which leads to the device having limitations and is not conducive to use;
[0029] The top of the connecting plate 9 is fixedly connected with an adjusting plate 10, the internal thread of the adjusting plate 10 is connected with a lifting assembly, the top of the lifting assembly is fixedly connected with a clamping assembly, the clamping assembly includes a placement frame 11, a slide bar 12, a pull ring 13, a spring 14 and a clamping plate 15, the bottom of the placement frame 11 is fixedly connected to the top of the lifting assembly, the interior of the placement frame 11 is slidably connected with the slide bar 12, one end of the slide bar 12 is fixedly connected with the pull ring 13, the outer surface of the slide bar 12 is fixedly connected with the spring 14, and the end of the slide bar 12 away from the pull ring 13 is fixedly connected with the clamping plate 15. After adjusting the projection angle of the device, place the projector on the placement frame 11. At this time, the pull ring 13 can be pulled outward to drive the slide bar 12 to slide outward. After the pull ring 13 is released, the spring 14 will drive the clamping plate 15 to move to one side of the projector due to its own tension to clamp the projector, thereby achieving the effect of improving the stability of the picture during the projection process, avoiding the situation in which the projector is accidentally touched during the viewing process, the picture is easy to shake and the position is easy to shift, which leads to reduced picture stability and affects the viewing effect;
[0030] The bottom of the base 1 is fixedly connected with a stabilizing component, and one side of the clamping plate 15 is clamped with a projector body 16;
[0031] In this embodiment, preferably, the adjustment assembly further includes a fixed block 17 and a second movable rod 18, the bottom of the fixed block 17 is fixedly connected to the top side of the base 1, and the second movable rod 18 is rotatably connected inside the fixed block 17. Through the coordinated use of the fixed block 17 and the second movable rod 18, the bottom connecting plate 9 is limited and supported, thereby achieving the effect of facilitating the adjustment of the angle of the adjustment plate 10;
[0032] In this embodiment, preferably, the lifting assembly includes a lifting screw 19, a second hand 20 and a lifting slider 21. The outer surface of the lifting screw 19 is threadedly connected to the inside of the adjustment plate 10. One end of the lifting screw 19 is fixedly connected to the second hand 20. The outer surface of the lifting screw 19 is threadedly connected to the lifting slider 21. The lifting screw 19 is driven to rotate by rotating the second hand 20. The lifting screw 19 rotates and drives the lifting slider 21 to move up and down. Since the lifting slider 21 is fixed to the adjustment plate 10, the height of the projection position of the projector can be adjusted.
[0033] In this embodiment, preferably, the stabilizing component includes a tripod 22 and an anti-skid pad 23. The top of the tripod 22 is fixedly connected to the bottom of the base 1, and the bottom of the tripod 22 is fixedly connected to the anti-skid pad 23. The device is supported and fixed by the setting of the tripod 22. The anti-skid pad 23 has anti-skid properties. By connecting with the tripod 22, the effect of improving the placement stability of the device is achieved.
[0034] In this embodiment, preferably, a strip-shaped slide groove is provided on the inner bottom wall of the fixed frame 2, a sliding block 24 is fixedly connected to the bottom of the adjusting slider 5, and the outer surface of the sliding block 24 is slidably connected to the inside of the strip-shaped slide groove;
[0035] In this embodiment, preferably, a protective plate 25 is fixedly connected to the top of the base 1, and a visual window 26 is fixedly connected to one side of the protective plate 25. The setting of the visual window 26 enables a more intuitive inspection of the inside of the device;
[0036] In this embodiment, preferably, an elliptical slide groove is opened in the middle of one side of the fixing frame 2, and the outer surface of the fixing rod 6 is slidably connected to the inside of the elliptical slide groove.
[0037] When the projection device with adjustable projection angle of the present embodiment is in use, the first handle 4 can be rotated to drive the adjusting screw 3 to rotate, and the adjusting screw 3 rotates to drive the adjusting slider 5 to move forward and backward, and the movement of the adjusting slider 5 drives the fixing rod 6 to slide forward and backward. At this time, the movable plate 7 on the surface of the fixing rod 6 will be lifted up and down, thereby driving the first movable rod 8 to rotate, and lifting or lowering the connecting plate 9 on the top of the device, thereby achieving the effect of adjusting the projection angle, avoiding the situation that the projection device has a single angle and is difficult to adjust, and there is a certain demand for the projection angle when watching a movie, which leads to the device having limitations and is not conducive to use. After adjusting the projection angle of the device, the projector is placed on the placement frame 11, and the pull ring 13 can be pulled outward to drive the sliding rod 12 to slide outward. After releasing the pull ring 13, the spring 14 will drive the clamping plate 15 to move to one side of the projector due to its own tension, clamping the projector, thereby improving the projection angle. The effect of picture stability during the process avoids accidentally touching the projector during viewing. If the projector is not clamped and fixed, the picture is easy to shake and the position is easy to shift, which leads to reduced picture stability and affects the viewing effect. Through the coordinated use of the fixed block 17 and the second movable rod 18, the bottom connecting plate 9 is limited and supported, so as to achieve the effect of facilitating the adjustment of the angle of the adjustment plate 10. By rotating the second handle 20, the lifting screw 19 is driven to rotate, and the lifting screw 19 drives the lifting slider 21 to move up and down. Because the lifting slider 21 is fixed to the adjustment plate 10, the height of the projection position of the projector can be adjusted. The device is supported and fixed by the setting of the tripod 22. The anti-slip pad 23 is anti-slip. Through the connection with the tripod 22, the effect of improving the placement stability of the device is achieved. The setting of the visual window 26 can more intuitively check the inside of the device.
[0038] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A projection device with adjustable projection angle, characterized in that: include A base (1), wherein the top of the base (1) is fixedly connected to a fixed frame (2), the internal thread of the fixed frame (2) is connected to an adjustment component, the adjustment component comprises an adjustment screw (3), a first handle (4), an adjustment slider (5), a fixed rod (6), a movable plate (7), a first movable rod (8) and a connecting plate (9), the outer surface of the adjustment screw (3) is threadedly connected to the inside of the fixed frame (2), one end of the adjustment screw (3) is fixedly connected to the first handle (4), the outer surface of the screw is threadedly connected to the adjustment slider (5), one side of the adjustment slider (5) is fixedly connected to the fixed rod (6), the outer surface of the fixed rod (6) is rotatably connected to the movable plate (7), the inner side wall of the movable plate (7) is rotatably connected to the first movable rod (8), and the outer surface of the first movable rod (8) is rotatably connected to the connecting plate (9); The top of the connecting plate (9) is fixedly connected to an adjusting plate (10), the internal thread of the adjusting plate (10) is connected to a lifting assembly, the top of the lifting assembly is fixedly connected to a clamping assembly, the clamping assembly comprises a placement frame (11), a slide bar (12), a pull ring (13), a spring (14) and a clamping plate (15), the bottom of the placement frame (11) is fixedly connected to the top of the lifting assembly, the interior of the placement frame (11) is slidably connected to the slide bar (12), one end of the slide bar (12) is fixedly connected to the pull ring (13), the outer surface of the slide bar (12) is fixedly connected to the spring (14), and the end of the slide bar (12) away from the pull ring (13) is fixedly connected to the clamping plate (15); The bottom of the base (1) is fixedly connected with a stabilizing component, and one side of the clamping plate (15) is clamped with a projector body (16).
2. A projection device with adjustable projection angle according to claim 1, characterized in that: The adjustment assembly further comprises a fixed block (17) and a second movable rod (18); the bottom of the fixed block (17) is fixedly connected to one side of the top of the base (1); the interior of the fixed block (17) is rotatably connected to the second movable rod (18).
3. The projection device with adjustable projection angle according to claim 1, characterized in that: The lifting assembly comprises a lifting screw (19), a second handle (20) and a lifting slider (21); the outer surface of the lifting screw (19) is threadedly connected to the inside of the adjustment plate (10); one end of the lifting screw (19) is fixedly connected to the second handle (20); and the outer surface of the lifting screw (19) is threadedly connected to the lifting slider (21).
4. The projection device with adjustable projection angle according to claim 1, characterized in that: The stabilizing component comprises a tripod (22) and an anti-skid pad (23); the top of the tripod (22) is fixedly connected to the bottom of the base (1); and the bottom of the tripod (22) is fixedly connected to the anti-skid pad (23).
5. The projection device with adjustable projection angle according to claim 1, characterized in that: The inner bottom wall of the fixed frame (2) is provided with a strip-shaped slide groove, the bottom of the adjusting slider (5) is fixedly connected with a sliding block (24), and the outer surface of the sliding block (24) is slidably connected to the inside of the strip-shaped slide groove.
6. The projection device with adjustable projection angle according to claim 1, characterized in that: A protective plate (25) is fixedly connected to the top of the base (1), and a visual window (26) is fixedly connected to one side of the protective plate (25).
7. The projection device with adjustable projection angle according to claim 1, characterized in that: An elliptical slide groove is provided in the middle of one side of the fixing frame (2), and the outer surface of the fixing rod (6) is slidably connected to the inside of the elliptical slide groove.