Adjustable multimedia projection device

Abstract

The utility model relates to the technical field of projection, and discloses an adjustable multimedia projection device, which comprises a projector, sleeves are fixedly connected to two sides of the projector, a support frame is slidably connected between the sleeves in a sleeved manner, a threaded hole is formed in the top of the support frame, a plurality of uniformly distributed scale grooves are formed in one side of the support frame, and the scale grooves are connected with the threaded hole in a sleeved manner. The top of the projector is rotatably connected with a screw rod, the screw rod is located in the threaded hole and is in threaded connection with the threaded hole, and the top end of the screw rod is fixedly connected with a knob. According to the adjustable multimedia projection device, when the projector is adjusted, the projector is lifted, then the screw rod is driven to rotate through the knob, and the rotating screw rod is matched with a sleeve for limiting at the moment; when the projector is adjusted, the supporting frame can be driven to descend, at the moment, supporting legs in front of the projector can be replaced by the supporting frame, the projector is supported, and the problems that a traditional device needs to be turned over repeatedly in the adjusting process, and supporting components need to be adjusted repeatedly are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to projection technology field, concretely is a kind of adjustable multimedia projection device. BACKGROUND

[0002] The projector is a kind of equipment that can project image or video to screen, wall or other plane, it is widely used in education, business, family entertainment and other fields, provides visual experience of large screen for user;

[0003] Its principle is based on convex lens imaging, and red, green and blue are decomposed into three colors by optical system, and the image is synthesized after being processed by display element, and finally enlarged and projected to screen by lens, multimedia projection device is used by more and more families, it is convenient to use, and screen is larger, and there is better viewing experience;

[0004] The bottom of traditional projection device generally has adjustable assembly, the adjusting assembly is generally composed of screw rod and support leg, the length of support leg is changed by rotating screw rod, the lifting height of projection device can be adjusted, but in actual use process, user needs to turn over projection device, and then adjust the length of support leg, and in adjusting process, the length of support leg cannot be determined, repeatedly turning over device and adjusting the length of support leg are prone to occur, so that it is more troublesome to use, therefore, we provide a kind of adjustable multimedia projection device. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of adjustable multimedia projection device to solve the problems in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: including projector, the both sides of projector are fixedly connected with sleeve tube, slidingly connected with support frame between sleeve tube, the top of support frame is equipped with screw hole, the side of support frame is equipped with a plurality of evenly distributed scale grooves, the top of projector is rotatably connected with lead screw, the lead screw is located in screw hole and is threadedly connected with screw hole, the top of lead screw is fixedly connected with knob.

[0007] Preferably, the bottom of support frame is fixedly connected with rubber pad, the side, away from scale groove of support frame, is equipped with a plurality of evenly distributed limit grooves.

[0008] Preferably, two mounting brackets are fixedly connected on the sleeve tube near the side of limit groove, rotatably connected with shaft rod between two mounting brackets, and limit plate is fixedly connected on the shaft rod.

[0009] Preferably, two mounting frames are provided with mounting slots on the side close to the shaft, a limiting rod is rotatably connected in the mounting slot, the limiting rod is fixedly connected with the end of the shaft on the same side, and a clockwork is fixedly connected between the limiting rod and the inner wall of the mounting slot on the same side.

[0010] Preferably, the projector is fixedly connected with a lens on one side, a plurality of control buttons are arranged on the top of the projector, a plurality of heat dissipation holes are arranged on the two sides of the projector, and supporting legs are fixedly connected to the two corners of the bottom of the projector away from the support frame.

[0011] Preferably, the projector is fixedly connected with a mounting rod on the side close to the lens, and the mounting rod is rotatably connected with a cover plate at the end away from the projector.

[0012] Compared with the prior art, the projector can be conveniently adjusted, the user can better know the distance of the support frame descending, and the angle of the projector being lifted can be conveniently determined.

[0013] When the projector is adjusted, the projector is lifted, then the screw rod is driven to rotate by the knob, the screw rod rotating cooperates with the sleeve for limiting, the support frame can be driven to descend, the supporting legs in front of the projector are replaced by the support frame, the projector is supported, the projector is lifted, the user can better know the distance of the support frame descending by the cooperation of the scale groove and the top of the sleeve, and the angle of the projector being lifted can be conveniently determined. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model;

[0015] Figure 2 It is a bottom structure schematic view of the projector of the utility model;

[0016] Figure 3 It is a support frame structure schematic view of the utility model;

[0017] Figure 4 It is a mounting frame section structure schematic view of the utility model.

[0018] In the drawing: 1, projector; 11, lens; 12, control button; 13, heat dissipation hole; 14, supporting leg; 2, sleeve; 3, support frame; 31, rubber pad; 32, screw hole; 33, scale groove; 34, limiting slot; 4, screw rod; 41, knob; 5, mounting frame; 51, shaft; 52, limiting plate; 53, mounting slot; 54, limiting rod; 55, clockwork; 6, mounting rod; 61, cover plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0020] Please refer to Figures 1-4 The utility model provides a technical scheme: a adjustable multimedia projection device, including projector 1, both sides of projector 1 are fixedly connected with sleeve 2, the sliding connection of sleeve 2 is equipped with support frame 3, one side of projector 1 is fixedly connected with lens 11, the top of projector 1 is provided with a plurality of control buttons 12, both sides of projector 1 are all set up a plurality of heat dissipation holes 13, the bottom of projector 1 is fixedly connected with the support leg 14 of two corners away from support frame 3 side.

[0021] Further, projector 1 is the main structure of projection device, it can be connected with mobile phone end or computer end, then the image or video shown on the mobile phone or computer connected therewith is projected to curtain, wall or other plane through lens 11, at this time, the user can watch the movie, and the projector 1 can be controlled through control button 12, and the high temperature generated in the projector 1 during use can be dissipated through heat dissipation hole 13 to maintain the temperature inside the projector 1, avoid the problem that the internal electronic components are damaged due to the high temperature inside the projector 1, the bottom of support frame 3 and two support legs 14 are matched, so that the projector 1 is placed more stably.

[0022] Combining the drawings shown in Figure 1 , Figure 2 and Figure 3 , the top of support frame 3 is provided with threaded hole 32, the side of support frame 3 is provided with a plurality of evenly distributed scale grooves 33, the bottom of support frame 3 is fixedly connected with rubber pad 31, the top of projector 1 is rotatably connected with lead screw 4, the lead screw 4 is located in threaded hole 32 and is threadedly connected with threaded hole 32, the top end of lead screw 4 is fixedly connected with knob 41.

[0023] Further, when adjusting the projector 1, the side of the projector 1 close to the lens 11 is lifted, then the lead screw 4 is driven to rotate through the knob 41, at this time, the rotating lead screw 4 cooperates with the sleeve 2 for limiting, which can drive the support frame 3 to descend, at this time, the projector 1 can be supported through the support frame 3, cooperating with the supporting leg 14 can make the projector 1 lift, and cooperating with the scale groove 33 and the top of the sleeve 2 can make the user better know the current descending distance of the support frame 3, which is more convenient for the user to determine the lifting angle of the projector 1, and through the rubber pad 31, the vibration between the support frame 3 and the placing platform when the projector 1 is placed down can be reduced, and when the lead screw 4 is reversely rotated, the support frame 3 can be lifted, so that the lifting angle of the projector 1 is smaller, and in the use process, the support frame 3 can also be used as a handle, which is convenient for moving the projector 1.

[0024] Combining the drawings shown in Figure 1 , Figure 2 and Figure 4 , the side of the support frame 3 away from the scale groove 33 is provided with a plurality of evenly distributed limiting grooves 34, the sleeve 2 close to the limiting groove 34 is fixedly connected with two mounting frames 5, the two mounting frames 5 are rotatably connected with a shaft rod 51 between them, the shaft rod 51 is fixedly connected with a limiting plate 52, the side of the two mounting frames 5 close to the shaft rod 51 is provided with a mounting groove 53, the limiting rod 54 is rotatably connected in the mounting groove 53, the limiting rod 54 is fixedly connected with the shaft rod 51 at the end on the same side, and the spring 55 is fixedly connected between the limiting rod 54 and the inner wall of the mounting groove 53 on the same side.

[0025] Further, when adjusting the support frame 3, first, the bottom of the limiting plate 52 is pressed to make the limiting plate 52 rotate, at this time, the top of the limiting plate 52 is moved out of the limiting groove 34, in this process, the limiting plate 52 can drive the shaft rod 51 and the limiting rod 54 to rotate together, at this time, the limiting rod 54 can drive the spring 55 to tighten, at this time, the support frame 3 can be adjusted by rotating the lead screw 4, when the adjustment of the support frame 3 is completed, the limiting plate 52 is loosened, at this time, the spring 55 begins to rebound, and drives the shaft rod 51 and the limiting plate 52 to rotate back, until the top of the limiting plate 52 is clamped into the limiting groove 34, at this time, the limiting work of the support frame 3 is completed through the cooperation of the limiting plate 52 and the limiting groove 34, which makes the support work of the support frame 3 on the projector 1 more stable.

[0026] Combining the drawings shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the side of the projector 1 close to the lens 11 is fixedly connected with a mounting rod 6, and the end of the mounting rod 6 away from the projector 1 is rotatably connected with a cover plate 61.

[0027] Further, when the projector 1 is not used, the cover plate 61 is rotated to cover the lens 11, thereby protecting the lens 11, and when the projector 1 is used, the cover plate 61 is rotated again to move the cover plate 61 away from the front of the lens 11, and then the projector 1 can be normally used.

[0028] Working principle: first, place the projector 1 at a designated position, rotate the cover plate 61 to move the cover plate 61 away from the front of the lens 11, then connect the projector 1 with a mobile phone or a computer, and then project the image or video displayed on the mobile phone or the computer connected with the projector 1 through the lens 11 to a curtain, a wall or other plane;

[0029] When the lifting height of the projector 1 is not appropriate, the bottom of the limiting plate 52 is pressed first, so that the limiting plate 52 is rotated, and at this time the top of the limiting plate 52 is moved out of the limiting slot 34, in the process, the limiting plate 52 drives the shaft rod 51 and the limiting rod 54 to rotate together, and at this time the limiting rod 54 drives the clockwork 55 to tighten;

[0030] At this time, the side of the projector 1 close to the lens 11 is lifted, then the screw rod 4 is driven to rotate by the knob 41, at this time the rotating screw rod 4 cooperates with the sleeve 2 for limiting, and drives the support frame 3 to descend, at this time the projector 1 is supported by the support frame 3, and the projector 1 is lifted by the supporting leg 14, and the distance of the descent of the support frame 3 is better known by the user through the cooperation of the scale slot 33 and the top of the sleeve 2, so that the user can better determine the lifting angle of the projector 1;

[0031] After adjustment, the limiting plate 52 is loosened, at this time the clockwork 55 starts to rebound, and drives the shaft rod 51 and the limiting plate 52 to rotate back until the top of the limiting plate 52 is clamped into the limiting slot 34, at this time the limiting plate 52 cooperates with the limiting slot 34 to complete the limiting work of the support frame 3;

[0032] Then the side of the projector 1 close to the lens 11 is lifted by the support frame 3, improving the viewing experience of the user;

[0033] After the projector 1 is used, the cover plate 61 is rotated again to cover the lens 11, thereby protecting the lens 11.

[0034] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0035] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. An adjustable multimedia projection device, characterized by: Including the projector (1), both sides of the projector (1) are fixedly connected with sleeve (2), the sleeve (2) is sleeved and connected with support frame (3) between sliding, the top of support frame (3) is provided with screw hole (32), the side of support frame (3) is provided with a plurality of evenly distributed scale grooves (33), the top of projector (1) is rotatably connected with lead screw (4), the lead screw (4) is located in screw hole (32), and is threadedly connected with screw hole (32), the top end of lead screw (4) is fixedly connected with knob (41).

2. The adjustable multimedia projection device of claim 1, wherein: The bottom of the support frame (3) is fixedly connected with a rubber pad (31), and the side of the support frame (3) away from the scale groove (33) is provided with a plurality of evenly distributed limiting grooves (34).

3. The adjustable multimedia projection device of claim 2, wherein: The sleeve (2) on the side close to the limiting groove (34) is fixedly connected with two mounting brackets (5), and the two mounting brackets (5) are rotatably connected with a shaft (51) between them, and the shaft (51) is fixedly connected with a limiting plate (52).

4. The adjustable multimedia projection device of claim 3, wherein: The side of the two mounting brackets (5) close to the shaft (51) is provided with a mounting groove (53), the mounting groove (53) is rotatably connected with a limiting rod (54), the limiting rod (54) is fixedly connected with the end of the shaft (51) on the same side, and the limiting rod (54) is fixedly connected with the spring (55) between the inner wall of the mounting groove (53) on the same side.

5. The adjustable multimedia projection device of claim 1, wherein: The side of the projector (1) is fixedly connected with a lens (11), the top of the projector (1) is provided with a plurality of control buttons (12), and the two sides of the projector (1) are provided with a plurality of heat dissipation holes (13), and the two corners of the bottom of the projector (1) away from the support frame (3) are fixedly connected with supporting legs (14).

6. The adjustable multimedia projection device of claim 5, wherein: The side of the projector (1) close to the lens (11) is fixedly connected with a mounting rod (6), and the end of the mounting rod (6) away from the projector (1) is rotatably connected with a cover plate (61).

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