Projection device of track cinema

Abstract

The utility model relates to the technical field of projection, and discloses a projection device of a track cinema, which comprises a box body, a groove is arranged above the box body, tracks are arranged on two opposite side walls of an inner cavity of the groove, rectangular notches are arranged on the two tracks on the box body, a first rectangular groove is arranged on the groove, and a second rectangular groove is arranged on the first rectangular groove. The two rectangular notches are communicated with the first rectangular groove. According to the projector clamping device, a projector is placed on the movable plate, at the moment, the projector is inserted into the outside through the inserting rod, the projector is limited and fixed through the clamping plate, when clamping is completed, the mounting plate is pushed to slide on the track, and when the mounting plate moves to a certain position, the sliding block in the track can fall off from the rectangular notch, so that the projector is conveniently clamped. And a rectangular notch and a sliding block are matched with each other, so that the position of the projector can be installed, when installation is completed, an electric push rod is started to drive a movable plate to move under the assistance of a rotating rod, the projection angle can be changed, and the projector is relatively practical.

Description

Technical Field

[0001] The utility model belongs to the technical field of projection, and in particular relates to a projection device for a track cinema. 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.

[0003] CN 215111760 U is retrieved and disclosed as a cinema projection device, which includes a box, a turntable and a groove, a guide rail is provided on the upper surface of the box, a groove is provided inside the guide rail, a mounting plate is provided inside the groove, a rotating shaft is provided on the upper end of the mounting plate, a turntable is provided on the upper end of the rotating shaft, a projector is provided on the upper end of the turntable, a mounting block is provided on one side of the guide rail, a limit block is provided on the lower end of the mounting block, and the limit block is fitted with the upper surface of the mounting plate. The utility model has the function of rapid disassembly and assembly, which solves the problem that the existing projector lacks the function of rapid positioning and disassembly and assembly. When the cinema is overcrowded, the projector fails and needs to be replaced. The traditional method is too slow, which affects the experience of the viewers.

[0004] However, the inventors have discovered that this technical solution still has at least the following defects:

[0005] According to the above-mentioned cinema projection device, when the mounting plate of the device slides with the guide rail, the connection between the mounting plate and the guide rail is uncertain. If it is a sliding connection, the mounting plate cannot enter the groove. If it is a non-connected slide, then when the mounting plate is pushed, wear may occur between the mounting plate and the rail, and jamming may occur during the sliding process.

[0006] In view of this, the present utility model is proposed. Summary of the invention

[0007] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0008] A projection device for a track theater, comprising a box, a groove is provided on the top of the box, tracks are provided on opposite side walls of the inner cavity of the groove, two tracks are provided with rectangular notches on the box, a first rectangular groove is provided on the groove, the two rectangular notches are mutually connected in the first rectangular groove, a second rectangular groove is provided on one side wall of the inner cavity of the first rectangular groove, a transmission mechanism and a sliding mechanism are provided in the inner cavity of the second rectangular groove, a moving mechanism is provided at the first rectangular groove and the two rectangular notches, sliders are slidably installed in the inner cavities of the two tracks, opposite ends of the two sliders are fixedly connected with mounting plates, the two sliders are adapted to the two rectangular notches, a mounting column is fixedly installed above the mounting plate, and a concave plate is fixedly installed on the upper end of the mounting column;

[0009] The transmission mechanism includes a threaded rod and a threaded sleeve; the sliding mechanism includes a slide groove and a first slider; the moving mechanism includes a connecting rod and a connecting piece. When the projector needs to be taken out, the rotating handle can be rotated to drive the threaded rod to rotate, and the threaded rod can drive the threaded sleeve installed in meshing to move. When the threaded sleeve moves, the connecting rod can push the first slider in the sliding mechanism to slide on the slide groove. When the first slider moves, the movable rod can drive the connecting piece to move horizontally with the assistance of the connecting rod and the circular through hole, so that the mounting plate can be moved upward until the slider and the track are matched. At this time, the mounting plate can be pushed to move, so it is convenient to take the projector out of the track in the track cinema.

[0010] As a preferred embodiment of the utility model, the threaded rod movably passes through the box body, a rotating handle is fixedly installed at one end of the threaded rod located outside the box body, the rotating handle is movably arranged on the side wall of the box body, the other end of the threaded rod is movably connected to a fixing plate, the fixing plate is fixedly installed above the inner cavity of the second rectangular groove, and a threaded sleeve is meshedly installed on the threaded rod. When it is necessary to take out the projector, the rotating handle can drive the threaded rod to rotate by rotating the rotating handle, and the threaded rod can drive the meshed threaded sleeve to move.

[0011] As a preferred embodiment of the utility model, the slide groove is provided at the bottom of the inner cavity of the second rectangular groove and the first rectangular groove, and a first slider is slidably mounted on the slide groove, a connecting rod is fixedly mounted on one side of the first slider, the connecting rod is trapezoidal, and the other end of the connecting rod is fixedly connected to the threaded sleeve. When the threaded sleeve moves, the connecting rod can push the first slider in the sliding mechanism to slide on the slide groove.

[0012] As a preferred embodiment of the utility model, the bottom of the two rectangular slot inner cavities are provided with circular through holes, the two circular through hole inner cavities are movably provided with connecting rods, the two connecting rods are fixedly provided with connecting pieces, the connecting piece is movably provided with a movable rod at one end close to the first slider, and the two ends of the movable rod are movably connected to the connecting piece and the first slider respectively. When the first slider moves, the movable rod can be driven to push the connecting piece to move horizontally with the assistance of the connecting rod and the circular through hole, so that the mounting plate can be moved upward until the slider and the track are matched, at which time the mounting plate can be moved by pushing the mounting plate, so that it is convenient to remove the projector from the track in the track cinema.

[0013] As a preferred embodiment of the utility model, the concave plate cavity is provided with a movable plate, and rotating rods are fixedly installed on both side walls of the movable plate, and the other ends of the two rotating rods are movably connected to the opposite side walls of the concave plate cavity. When the installation is completed, the movable plate can be driven to move with the assistance of the rotating rods by starting the electric push rod, so that the projection angle can be changed.

[0014] As a preferred embodiment of the utility model, an electric push rod is provided on one side wall opposite to the concave plate and the movable plate, one end of the electric push rod is provided at the bottom of the inner cavity of the concave plate, and the other end of the electric push rod is movably connected to the bottom of the movable plate. The opposite side walls of the concave plate are provided with plug holes, and the inner cavities of the two plug holes are plugged with plug rods, and the opposite ends of the two plug rods are fixedly installed with clamping plates in the inner cavity of the concave plate. By placing the projector on the movable plate, the plug rod is plugged into the outside at this time, so that the clamping plate limits and fixes it. When the clamping is completed, the installation plate is pushed to slide on the track. When the installation plate moves to a certain position, the slider in the track will be able to fall from the rectangular notch, so that the position of the projector can be installed. When the installation is completed, the movable plate can be driven to move with the assistance of the rotating rod by starting the electric push rod, so that the projection angle can be changed.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The utility model places the projector on the movable plate, which is then plugged into the outside by a plug-in rod, so that the clamping plate limits and fixes the projector. When the clamping is completed, the mounting plate is pushed to slide on the track. When the mounting plate moves to a certain position, the slider in the track will be able to fall from the rectangular notch. Because the rectangular notch and the slider fit each other, the position of the projector can be installed. When the installation is completed, the movable plate can be driven to move with the assistance of the rotating rod by starting the electric push rod, so that the projection angle can be changed.

[0017] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In the attached picture:

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

[0020] Figure 2 This is a schematic diagram of the inner cavity structure of the second rectangular groove of the utility model;

[0021] Figure 3 This is a schematic diagram of the inner cavity structure of the first rectangular groove of the utility model;

[0022] Figure 4 It is a schematic diagram of the structure above the mounting plate of the utility model.

[0023] In the figure: 1, box body; 2, track; 3, groove; 4, rectangular notch; 5, connecting piece; 6, first rectangular groove; 7, mounting plate; 8, concave plate; 9, second rectangular groove; 10, connecting rod; 11, movable rod; 12, slide groove; 13, first slider; 14, connecting rod; 15, fixing plate; 16, threaded rod; 17, threaded sleeve; 18, rotating handle; 19, circular through hole; 20, mounting column; 21, electric push rod; 22, movable plate; 23, rotating rod; 24, plug-in rod. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model.

[0025] like Figures 1 to 4As shown, a projection device of a track theater comprises a box body 1, a groove 3 is provided on the top of the box body 1, tracks 2 are provided on opposite side walls of the inner cavity of the groove 3, two tracks 2 are provided with rectangular notches 4 on the box body 1, a first rectangular groove 6 is provided on the groove 3, the two rectangular notches 4 are mutually connected in the first rectangular groove 6, a second rectangular groove 9 is provided on one side wall of the inner cavity of the first rectangular groove 6, a transmission mechanism and a sliding mechanism are provided in the inner cavity of the second rectangular groove 9, a moving mechanism is provided at the first rectangular groove 6 and the two rectangular notches 4, sliders are slidably installed in the inner cavities of the two tracks 2, a mounting plate 7 is fixedly connected to the opposite ends of the two sliders, the two sliders are adapted to the two rectangular notches 4, a mounting column 20 is fixedly installed above the mounting plate 7, and a concave plate 8 is fixedly installed on the upper end of the mounting column 20; the transmission mechanism comprises a threaded rod 16 and a threaded sleeve 17; the sliding mechanism comprises a slide groove 12 and a first slider 13, and the moving mechanism comprises a connecting rod 10 and a connecting member 5. When the projector needs to be taken out, the rotating handle 18 is rotated, and the rotating handle 18 can drive the threaded rod 16 to rotate, and the threaded rod 16 can drive the meshing threaded sleeve 17 to move, and when the threaded sleeve 17 moves, it can push the first slider 13 in the sliding mechanism to slide on the slide groove 12 through the connecting rod 14, and when the first slider 13 moves, it can drive the movable rod 11 to push the connecting member 5 to move horizontally with the assistance of the connecting rod 10 and the circular through hole 19, so that the mounting plate 7 can be moved upward until the slider and the track 2 are matched, and at this time, the mounting plate 7 can be pushed to move, so it is convenient to take the projector out of the track in the track cinema.

[0026] In a specific embodiment, the threaded rod 16 movably passes through the box body 1, and a rotating handle 18 is fixedly installed at one end of the threaded rod 16 located outside the box body 1, and the rotating handle 18 is movably arranged on the side wall of the box body 1. The other end of the threaded rod 16 is movably connected to a fixing plate 15, and the fixing plate 15 is fixedly installed above the inner cavity of the second rectangular groove 9. A threaded sleeve 17 is meshedly installed on the threaded rod 16. In this setting, when it is necessary to take out the projector, by rotating the rotating handle 18, the rotating handle 18 can drive the threaded rod 16 to rotate, and the threaded rod 16 can drive the meshed threaded sleeve 17 to move.

[0027] Furthermore, the slide groove 12 is provided at the bottom of the inner cavity of the second rectangular groove 9 and the first rectangular groove 6, and a first slider 13 is slidably mounted on the slide groove 12. A connecting rod 14 is fixedly mounted on one side of the first slider 13. The connecting rod 14 is trapezoidal, and the other end of the connecting rod 14 is fixedly connected to the threaded sleeve 17. In this configuration, when the threaded sleeve 17 moves, the first slider 13 in the sliding mechanism can be pushed by the connecting rod 14 to slide on the slide groove 12.

[0028] Furthermore, circular through holes 19 are provided at the bottom of the inner cavities of the two rectangular slots 4, and connecting rods 10 are movably installed in the inner cavities of the two circular through holes 19, and a connecting member 5 is fixedly installed above the two connecting rods 10, and a movable rod 11 is movably installed at one end of the connecting member 5 close to the first slider 13, and the two ends of the movable rod 11 are movably connected to the connecting member 5 and the first slider 13. In this configuration, when the first slider 13 moves, the movable rod 11 can be driven to push the connecting member 5 to move horizontally with the assistance of the connecting rod 10 and the circular through hole 19, so that the mounting plate 7 can be moved upward until the slider and the track 2 are matched, and at this time, the mounting plate 7 can be pushed to move the mounting plate 7, so that it is convenient to take the projector out of the track in the track cinema.

[0029] Furthermore, a movable plate 22 is provided in the inner cavity of the concave plate 8, and rotating rods 23 are fixedly installed on both side walls of the movable plate 22, and the other ends of the two rotating rods 23 are movably connected to the opposite side walls of the inner cavity of the concave plate 8. In this arrangement, when the installation is completed, the movable plate 22 can be driven to move with the assistance of the rotating rods 23 by starting the electric push rod 21, so that the projection angle can be changed.

[0030] Further, an electric push rod 21 is provided on one side wall opposite to the concave plate 8 and the movable plate 22, one end of the electric push rod 21 is provided at the bottom of the inner cavity of the concave plate 8, and the other end of the electric push rod 21 is movably connected to the bottom of the movable plate 22. The opposite side walls of the concave plate 8 are provided with plug-in holes, and the inner cavities of the two plug-in holes are plugged with plug-in rods 24, and the opposite ends of the two plug-in rods 24 are fixedly installed with clamping plates in the inner cavity of the concave plate 8. In this setting, by placing the projector on the movable plate 22, the plug-in rod 24 is plugged into the outside, and the clamping plate is fixed to it. When the clamping is completed, the installation plate 7 is pushed to slide on the track 2. When the installation plate 7 moves to a certain position, the slider in the track 2 will be able to fall from the rectangular notch 4, so that the position of the projector can be installed. When the installation is completed, the electric push rod 21 can be started to drive the movable plate 22 to move with the assistance of the rotating rod 23, so that the projection angle can be changed.

[0031] The implementation principle of the projection device of a track cinema of this embodiment is as follows: first, the projector is placed on the movable plate 22, and the plug-in rod 24 is plugged into the outside to limit and fix it with the clamping plate. When the clamping is completed, the installation plate 7 is pushed to slide on the track 2. When the installation plate 7 moves to a certain position, the slider in the track 2 will be able to fall from the rectangular notch 4 (because the rectangular notch 4 and the slider fit each other), so the position of the projector can be installed. When the installation is completed, the electric push rod 21 can be started to drive the movable plate 22 to move with the assistance of the rotating rod 23, so that the projection angle can be changed;

[0032] When the projector needs to be taken out, the rotating handle 18 is rotated, and the rotating handle 18 can drive the threaded rod 16 to rotate, and the threaded rod 16 can drive the meshing threaded sleeve 17 to move, and when the threaded sleeve 17 moves, it can push the first slider 13 in the sliding mechanism to slide on the slide groove 12 through the connecting rod 14, and when the first slider 13 moves, it can drive the movable rod 11 to push the connecting member 5 to move horizontally with the assistance of the connecting rod 10 and the circular through hole 19, so that the mounting plate 7 can be moved upward until the slider and the track 2 are matched, and at this time, the mounting plate 7 can be pushed to move, so it is convenient to take the projector out of the track in the track cinema.

Claims

1. A projection device for a track cinema, comprising a box (1), characterized in that: A groove (3) is provided on the top of the box body (1), and rails (2) are provided on opposite side walls of the inner cavity of the groove (3). The two rails (2) are provided with rectangular notches (4) on the box body (1). A first rectangular groove (6) is provided on the groove (3), and the two rectangular notches (4) are mutually connected in the first rectangular groove (6). A second rectangular groove (9) is provided on one side wall of the inner cavity of the first rectangular groove (6), and a transmission mechanism and a sliding mechanism are provided in the inner cavity of the second rectangular groove (9). Moving mechanisms are provided at the first rectangular groove (6) and the two rectangular notches (4). Slide blocks are slidably installed in the inner cavities of the two rails (2), and opposite ends of the two slide blocks are fixedly connected to a mounting plate (7). The two slide blocks are matched with the two rectangular notches (4), and a mounting column (20) is fixedly installed on the top of the mounting plate (7), and a concave plate (8) is fixedly installed on the upper end of the mounting column (20); The transmission mechanism comprises a threaded rod (16) and a threaded sleeve (17); the sliding mechanism comprises a sliding groove (12) and a first sliding block (13); and the moving mechanism comprises a connecting rod (10) and a connecting piece (5).

2. The projection device of a track cinema according to claim 1, characterized in that: The threaded rod (16) movably passes through the box body (1); a rotating handle (18) is fixedly mounted on one end of the threaded rod (16) located outside the box body (1); the rotating handle (18) is movably arranged on the side wall of the box body (1); the other end of the threaded rod (16) is movably connected to a fixing plate (15); the fixing plate (15) is fixedly mounted above the inner cavity of the second rectangular groove (9); and a threaded sleeve (17) is meshingly mounted on the threaded rod (16).

3. The projection device of a track cinema according to claim 1, characterized in that: The slide groove (12) is formed at the bottom of the inner cavity of the second rectangular groove (9) and the first rectangular groove (6); a first sliding block (13) is slidably mounted on the slide groove (12); a connecting rod (14) is fixedly mounted on one side of the first sliding block (13); the connecting rod (14) is trapezoidal; the other end of the connecting rod (14) is fixedly connected to a threaded sleeve (17).

4. The projection device of a track cinema according to claim 1, characterized in that: A circular through hole (19) is provided at the bottom of the inner cavity of the two rectangular notches (4), a connecting rod (10) is movably installed in the inner cavity of the two circular through holes (19), a connecting piece (5) is fixedly installed above the two connecting rods (10), a movable rod (11) is movably installed at one end of the connecting piece (5) close to the first slider (13), and the two ends of the movable rod (11) are movably connected to the connecting piece (5) and the first slider (13) respectively.

5. The projection device of a track cinema according to claim 1, characterized in that: The inner cavity of the concave plate (8) is provided with a movable plate (22), and rotating rods (23) are fixedly mounted on both side walls of the movable plate (22), and the other ends of the two rotating rods (23) are movably connected to the opposite side walls of the inner cavity of the concave plate (8).

6. The projection device of a track cinema according to claim 5, characterized in that: An electric push rod (21) is provided on one side wall of the concave plate (8) and the movable plate (22), one end of the electric push rod (21) is provided at the bottom of the inner cavity of the concave plate (8), and the other end of the electric push rod (21) is movably connected to the bottom of the movable plate (22). The opposite side walls of the concave plate (8) are provided with plug-in holes, and the inner cavities of the two plug-in holes are both plugged with plug-in rods (24), and the opposite ends of the two plug-in rods (24) are fixedly installed with clamping plates in the inner cavity of the concave plate (8).

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