Multimedia projection device

Abstract

The utility model belongs to the technical field of projection devices, and discloses a multimedia projection device which comprises a projector, fixing blocks are hinged to the left side and the right side of the front end of the bottom of the projector, a dustproof plate is fixedly installed on the tops of the fixing blocks, and the back face of the dustproof plate is movably connected with the front face of the projector. And fixed plates are fixedly mounted at the left and right ends of the top of the dustproof plate. Through the arrangement of the fixed plate, the movable plate, the connecting plate, the movable block and the first spring, when the projector is placed in a standing mode, the dustproof plate plays a dustproof role on the front face of the projector, an operator pulls the pulling plate, the pulling plate drives the movable plate to move in the opposite direction under the limiting cooperation of the connecting plate and the movable block, and therefore the projector is prevented from being damaged. At the moment, the movable plate leaves the interior of the fixed plate and applies extrusion force to the first spring, the operator rotates the dustproof plate at the moment, and the dustproof plate quickly relieves the effect of shielding the projector at the moment.

Description

Technical Field

[0001] The utility model belongs to the technical field of projection devices, in particular to a multimedia projection device. 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, game consoles, etc. through different interfaces to play corresponding video signals.

[0003] At present, when it comes to the choice of television, more and more families are increasingly choosing multimedia projectors, because multimedia projectors are easy to use, large in size, and look very simple. Currently, after using the projector, operators generally place it directly on a fixed stand and use it when needed. However, during the static process, a large amount of dust will fall on the projector screen, which affects the operator's viewing experience the next time, so it needs to be improved. Utility Model Content

[0004] The purpose of the utility model is to solve the above problems. The utility model provides a multimedia projection device, which has the advantage of shielding dust.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multimedia projection device, comprising a projector, wherein the left and right sides of the front end of the bottom of the projector are hinged with fixed blocks, the top of the fixed block is fixedly installed with a dustproof plate, the back of the dustproof plate is movably connected to the front of the projector, the left and right ends of the top of the dustproof plate are fixedly installed with fixed plates, the bottom of the fixed plate is movably connected to the top of the projector, the fixed plate is movably connected to the movable plate inside, the left and right sides of the top of the projector are fixedly installed with connecting plates, the connecting plate is movably connected to the movable block inside, the inner side of the movable block is fixedly connected to the front and rear sides of the movable plate, a pulling plate is fixedly installed on the top of the movable plate, a rectangular plate is fixedly installed on the inner side of the connecting plate, the left and right sides of the rectangular plate are fixedly installed with a first spring, and the other end of the first spring is fixedly connected to the inner side of the movable plate.

[0006] As a preferred embodiment of the present invention, the bottom of the projector is movably connected to a base, and a fixing frame is fixedly installed on the bottom of the base.

[0007] As a preferred embodiment of the present invention, lifting plates are fixedly installed on both left and right sides of the bottom of the projector, and the bottom ends of the lifting plates extend to the interior of the base and are movably connected to the interior of the base.

[0008] As a preferred embodiment of the present invention, a clamping plate is movably connected inside the lifting plate, and the other end of the clamping plate passes through the lifting plate and extends to the outside of the base.

[0009] As a preferred embodiment of the utility model, the left and right sides of the base are fixedly mounted with limit plates located at the front and rear sides of the clamping plate, and the limit plates are internally movably connected to the limit blocks.

[0010] As a preferred embodiment of the utility model, a pulling plate is fixedly installed on the bottom of the clamping plate, and the front and rear sides of the clamping plate are fixedly connected to the inner side of the limiting block.

[0011] As a preferred embodiment of the utility model, a side plate is fixedly installed on the left side of the limiting plate, a second spring is fixedly installed on the right side of the side plate, and the other end of the second spring is fixedly connected to the left side of the clamping plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model sets a fixed plate, a movable plate, a connecting plate, a movable block and a first spring. When the projector is placed still, the dustproof plate will have a dustproof effect on the front of the projector. The operator pulls the pull plate, and the pull plate will bring the movable plate to move toward each other under the limit cooperation of the connecting plate and the movable block. At this time, the movable plate will leave the inside of the fixed plate and apply a squeezing force to the first spring. At this time, the operator rotates the dustproof plate, and the dustproof plate will quickly release the effect of shielding the projector.

[0014] 2. The utility model sets a lifting plate, a card plate, a limit plate, a limit block and a pulling plate. The operator first pulls the pulling plate. At this time, the pulling plate will move with the card plate under the cooperation of the limit plate and the limit block. At this time, the card plate will leave the inside of the lifting plate and apply an extrusion force to the second spring. At this time, the fixing effect of the lifting plate will be released. At this time, the operator moves the projector upward, and the purpose of quickly disassembling the projector is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the top of the utility model;

[0017] Figure 3 It is a cross-sectional structural schematic diagram of the front side of the utility model;

[0018] Figure 4 It is a schematic cross-sectional structure diagram of the second spring of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the bottom of the utility model.

[0020] In the figure: 1. projector; 2. fixed block; 3. dust plate; 4. fixed plate; 5. movable plate; 6. connecting plate; 7. movable block; 8. pulling plate; 9. rectangular plate; 10. first spring; 11. base; 12. lifting plate; 13. card plate; 14. limit plate; 15. limit block; 16. pulling plate; 17. side plate; 18. second spring; 19. fixed frame. DETAILED DESCRIPTION

[0021] 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.

[0022] like Figures 1 to 5 As shown, the utility model provides a multimedia projection device, including a projector 1, wherein a fixed block 2 is hingedly connected to the left and right sides of the front end of the bottom of the projector 1, a dustproof plate 3 is fixedly installed on the top of the fixed block 2, the back of the dustproof plate 3 is movably connected to the front of the projector 1, a fixed plate 4 is fixedly installed on the left and right ends of the top of the dustproof plate 3, the bottom of the fixed plate 4 is movably connected to the top of the projector 1, a movable plate 5 is movably connected inside the fixed plate 4, a connecting plate 6 is fixedly installed on the left and right sides of the top of the projector 1, a movable block 7 is movably connected inside the connecting plate 6, the inner side of the movable block 7 is fixedly connected to the front and rear sides of the movable plate 5, a pulling plate 8 is fixedly installed on the top of the movable plate 5, a rectangular plate 9 is fixedly installed on the inner side of the connecting plate 6, a first spring 10 is fixedly installed on the left and right sides of the rectangular plate 9, and the other end of the first spring 10 is fixedly connected to the inner side of the movable plate 5.

[0023] Due to the design of the dustproof plate 3, the dustproof plate 3 will be able to block dust on the front of the projector 1. The operator first pulls the pull plate 8, and the pull plate 8 will move the movable plate 5 smoothly toward each other under the limit cooperation of the connecting plate 6 and the movable block 7. At this time, the movable plate 5 will leave the inside of the fixed plate 4 and apply an extrusion force to the first spring 10. At this time, the operator rotates the dustproof plate 3, and the dustproof plate 3 will release the effect of blocking the front of the projector 1.

[0024] refer to Figures 3 to 5 The bottom of the projector 1 is movably connected to a base 11 , and a fixing frame 19 is fixedly installed at the bottom of the base 11 .

[0025] As a technical optimization solution of the present invention, due to the design of the fixing frame 19 , the fixing frame 19 will have a good fixing and supporting effect on the base 11 .

[0026] refer to Figure 3 and Figure 4 A lifting plate 12 is fixedly installed on both left and right sides of the bottom of the projector 1 , and the bottom end of the lifting plate 12 extends to the inside of the base 11 and is movably connected to the inside of the base 11 .

[0027] As a technical optimization solution of the present invention, due to the design of the lifting plate 12 , the lifting plate 12 can fix the projector 1 above the base 11 .

[0028] refer to Figure 3 and Figure 4 The lifting plate 12 is movably connected to a clamping plate 13 inside, and the other end of the clamping plate 13 passes through the lifting plate 12 and extends to the outside of the base 11.

[0029] As a technical optimization solution of the present invention, due to the design of the clamping plate 13 , the clamping plate 13 will have a good clamping effect on the lifting plate 12 .

[0030] refer to Figure 4 The left and right sides of the base 11 are fixedly mounted with limit plates 14 located at the front and rear sides of the clamping plate 13 , and the limit plates 14 are internally movably connected with the limit blocks 15 .

[0031] As a technical optimization solution of the present invention, due to the design of the limiting plate 14 , the limiting plate 14 will have a good limiting effect on the limiting block 15 .

[0032] refer to Figures 3 to 5 A pulling plate 16 is fixedly installed at the bottom of the card plate 13 , and the front and rear sides of the card plate 13 are fixedly connected to the inner side of the limit block 15 .

[0033] As a technical optimization solution of the utility model, the operator pulls the pulling plate 16, and the pulling plate 16 will move with the clamping plate 13 at the same time.

[0034] refer to Figures 3 to 5 A side plate 17 is fixedly installed on the left side of the limiting plate 14 , a second spring 18 is fixedly installed on the right side of the side plate 17 , and the other end of the second spring 18 is fixedly connected to the left side of the clamping plate 13 .

[0035] As a technical optimization solution of the present invention, due to the design of the second spring 18 , the second spring 18 will exert a stable extrusion force on the clamping plate 13 .

[0036] The working principle and use process of this utility model:

[0037] When the operator needs to use the projector, he first pulls the pull plate 8, and the pull plate 8 will move the movable plate 5 smoothly under the limit cooperation of the connecting plate 6 and the movable block 7. At this time, the movable plate 5 will leave the inside of the fixed plate 4 and apply an extrusion force to the first spring 10. At this time, the fixing effect of the fixed plate 4 will be released. The operator then turns the dustproof plate 3, and the dustproof plate 3 will quickly release the shielding effect on the projector 1.

[0038] When the operator needs to disassemble the projector 1, he first pulls the pulling plate 16, and the pulling plate 16 will cause the card plate 13 to move under the cooperation of the limiting plate 14 and the limiting block 15. At this time, the card plate 13 will apply an extrusion force to the second spring 18. At this time, the card plate 13 will leave the inside of the lifting plate 12 and release the blocking effect on the lifting plate 12. At this time, the operator moves the projector 1 upward, and the purpose of quickly disassembling the projector 1 is achieved.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multimedia projection device, comprising a projector (1), characterized in that: The left and right sides of the front end of the bottom of the projector (1) are both hingedly connected with a fixed block (2); a dustproof plate (3) is fixedly installed on the top of the fixed block (2); the back of the dustproof plate (3) is movably connected to the front of the projector (1); the left and right ends of the top of the dustproof plate (3) are both fixedly installed with a fixed plate (4); the bottom of the fixed plate (4) is movably connected to the top of the projector (1); the inside of the fixed plate (4) is movably connected with a movable plate (5); the left and right ends of the top of the projector (1) are A connecting plate (6) is fixedly installed on both sides, and a movable block (7) is movably connected inside the connecting plate (6). The inner side of the movable block (7) is fixedly connected to the front and rear sides of the movable plate (5). A pulling plate (8) is fixedly installed on the top of the movable plate (5). A rectangular plate (9) is fixedly installed on the inner side of the connecting plate (6). A first spring (10) is fixedly installed on the left and right sides of the rectangular plate (9), and the other end of the first spring (10) is fixedly connected to the inner side of the movable plate (5).

2. A multimedia projection device according to claim 1, characterized in that: The bottom of the projector (1) is movably connected to a base (11), and a fixing frame (19) is fixedly mounted on the bottom of the base (11).

3. A multimedia projection device according to claim 1, characterized in that: Lifting plates (12) are fixedly mounted on both left and right sides of the bottom of the projector (1), and the bottom ends of the lifting plates (12) extend to the inside of the base (11) and are movably connected to the inside of the base (11).

4. A multimedia projection device according to claim 3, characterized in that: The lifting plate (12) is movably connected to a clamping plate (13) inside, and the other end of the clamping plate (13) penetrates the lifting plate (12) and extends to the outside of the base (11).

5. A multimedia projection device according to claim 2, characterized in that: Limiting plates (14) located at the front and rear sides of the clamping plate (13) are fixedly mounted on both the left and right sides of the base (11), and the limiting blocks (15) are movably connected inside the limiting plates (14).

6. A multimedia projection device according to claim 4, characterized in that: A pulling plate (16) is fixedly mounted on the bottom of the clamping plate (13), and the front and rear sides of the clamping plate (13) are fixedly connected to the inner side of the limiting block (15).

7. A multimedia projection device according to claim 5, characterized in that: A side plate (17) is fixedly mounted on the left side of the limiting plate (14), a second spring (18) is fixedly mounted on the right side of the side plate (17), and the other end of the second spring (18) is fixedly connected to the left side of the clamping plate (13).

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