Hoisting type projector case

Abstract

The utility model belongs to the field of movie projection equipment, and discloses a hoisting type projector case, which comprises a case body and a hoisting assembly arranged at the top of the case body, a front cover plate of the box body is provided with a projection window, and the box body is internally provided with a projector bearing assembly; the projector bearing assembly comprises a cylindrical sliding rail, a positioning plate, a bearing plate, a sliding plate and a push plate, the cylindrical sliding rail is horizontally arranged at the inner bottom of the box body in the throwing direction of the projector, and the positioning plate is fixedly arranged at the end, facing the throwing window, of the cylindrical sliding rail; the bearing plate is horizontally arranged and connected to the side, away from the throwing window, of the positioning plate, the sliding plate is horizontally arranged and slidably connected with the cylindrical sliding rail through a sliding block, and the push plate is connected to the side, away from the bearing plate, of the sliding plate. The size of the projector bearing space can be changed by adjusting the positions of the push plate and the sliding plate, stable assembly of projectors of different models and sizes is facilitated, the applicability is high, and the bearing capacity is high.

Description

Technical Field

[0001] The utility model relates to the field of movie projection equipment, in particular to a hanging type projector chassis. Background Art

[0002] As the film market continues to expand, the audience's demand for high-quality film screenings is also increasing. Ceiling-mounted projector chassis can provide a more stable and convenient way of film screening, and are favored by more and more cinemas and audiences.

[0003] There are already some brands of ceiling-mounted projector chassis on the market, but most of these ceiling-mounted projector chassis can only install projectors of fixed sizes and models, and their applicability is not high. Utility Model Content

[0004] In view of the above problems, the utility model provides a ceiling-mounted projector chassis, which can meet the assembly requirements of projectors of different models and sizes and has high applicability.

[0005] The technical solution of the utility model is as follows:

[0006] A ceiling-mounted projector case comprises a case body and a ceiling-mounted assembly arranged on the top of the case body; a delivery window is arranged on the front cover plate of the case body, and a projector carrying assembly is arranged inside the case body; the projector carrying assembly comprises a cylindrical slide rail, a positioning plate, a carrying plate, a slide plate and a push plate, the cylindrical slide rail is horizontally arranged on the inner bottom of the case body along the delivery direction of the projector, the positioning plate is fixedly arranged on one end of the cylindrical slide rail facing the delivery window, the carrying plate is horizontally arranged and connected to a side of the positioning plate away from the delivery window, the slide plate is horizontally arranged and slidably connected to the cylindrical slide rail through a slider, the carrying plate and the slide plate are at the same horizontal height, and the push plate is connected to a side of the slide plate away from the carrying plate.

[0007] In a further technical solution, a lock is hinged on the push plate, the lock is L-shaped, and the free end of the lock is provided with an elastic card that can be snapped onto the cylindrical slide rail, and the elastic card is an open-loop structure with a central angle greater than 180 degrees.

[0008] In a further technical solution, the bearing plate and the slide plate are both grid plates made of copper-aluminum alloy material.

[0009] In a further technical solution, a heat dissipation port is provided on the rear cover plate of the box.

[0010] In a further technical solution, sound-absorbing cotton is provided on the inner side of the box.

[0011] In a further technical solution, the lifting assembly includes a lifting plate and a lifting rod, the lifting plate is arranged at the top of the box, the top of the lifting plate is provided with a socket, the inside of the lifting plate is provided with a slideway connected to the socket, the width of the slideway is the same as the width of the socket, and the top of the slideway is provided with a through groove connected to the top surface of the lifting plate; the bottom end of the lifting rod is provided with a block, the width of the block is adapted to the width of the slideway and is greater than the width of the through groove; the top of the lifting rod is provided with a mounting flange.

[0012] In a further technical solution, a spring is provided inside the slideway, and an adjusting screw is transversely penetrated on one side of the hanging plate close to the socket, and the length direction of the adjusting screw is parallel to the extension direction of the slideway.

[0013] In a further technical solution, the box body and the hanging plate are both made of aluminum alloy.

[0014] In a further technical solution, the side cover of the box body is a detachable structure.

[0015] The working principle of the above technical solution is as follows:

[0016] When the ceiling-mounted projector case of the utility model is in use, firstly, the side cover of the case is opened, the front end of the projector is pressed against the positioning plate, and the projection port of the projector is aligned with the projection window of the case, and then the push plate is pushed forward to press against the rear end of the projector, and the lock buckle is turned downward to lock the position of the push plate, and the projector is supported by the slide plate and the supporting plate. In addition, the space under the slide plate and the supporting plate can be used as a heat dissipation channel to enhance the heat dissipation effect on the bottom of the projector. Afterwards, the hanging rod is installed on the roof through the mounting flange, and the box and the hanging rod are quickly assembled by inserting the card block into the slideway.

[0017] The beneficial effects of the utility model are:

[0018] 1. The utility model can change the size of the projector carrying space by adjusting the position of the push plate and the slide plate, which is convenient for the stable assembly of projectors of different models and sizes, has high applicability and strong carrying capacity;

[0019] 2. The utility model can realize the rapid assembly and disassembly between the box body and the lifting components;

[0020] 3. The utility model can perform local fine adjustment on the position of the installed chassis, thus improving the practicality and convenience during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of a ceiling-mounted projector chassis according to an embodiment of the utility model;

[0022] Figure 2It is a structural schematic diagram of the box body described in the embodiment of the utility model;

[0023] Figure 3 It is a schematic diagram of the internal structure of the ceiling-mounted projector chassis according to an embodiment of the utility model;

[0024] Figure 4 yes Figure 3 Cross-sectional view of the structure at point A.

[0025] Description of reference numerals:

[0026] 10. Box body; 11. Delivery window; 12. Positioning plate; 13. Loading plate; 14. Cylindrical slide rail; 15. Slide plate; 16. Push plate; 17. Lock; 18. Heat dissipation port;

[0027] 21. Lifting plate; 22. Socket; 23. Slideway; 24. Spring; 25. Adjusting screw; 26. Lifting rod; 27. Mounting flange; 28. Block;

[0028] 30. Projector. DETAILED DESCRIPTION

[0029] The embodiments of the present utility model will be further described below in conjunction with the accompanying drawings.

[0030] Example:

[0031] A ceiling mounted projector chassis, such as Figure 1-Figure 4 As shown, it includes a box body 10 and a hanging assembly arranged on the top of the box body 10; a delivery window 11 is arranged on the front cover plate of the box body 10, and a projector carrying assembly is arranged inside the box body 10; the projector carrying assembly includes a cylindrical slide rail 14 (in order to maintain stability, at least two groups of cylindrical slide rails 14 are arranged), a positioning plate 12, a carrying plate 13, a slide plate 15 and a push plate 16, the cylindrical slide rail 14 is horizontally arranged at the inner bottom of the box body 10 along the delivery direction of the projector 30, the positioning plate 12 is fixedly arranged at one end of the cylindrical slide rail 14 facing the delivery window 11, the carrying plate 13 is horizontally arranged and connected to the side of the positioning plate 12 away from the delivery window 11, the slide plate 15 is horizontally arranged and slidably connected to the cylindrical slide rail 14 through a slider, the carrying plate 13 and the slide plate 15 are at the same horizontal height, and the push plate 16 is connected to the side of the slide plate 15 away from the carrying plate 13.

[0032] In another embodiment, if Figure 3As shown, a lock buckle 17 is hinged on the push plate 16, and the lock buckle 17 is L-shaped. The free end of the lock buckle 17 is provided with an elastic card that can be snapped with the cylindrical slide rail 14. The elastic card is an open-loop structure with a central angle greater than 180 degrees. When the push plate 16 and the slide plate 15 are in place, the lock buckle 17 is rotated downward to snap the elastic card at the free end of the lock buckle 17 onto the cylindrical slide rail 14, which can lock the position of the push plate 16 and the slide plate 15 to prevent them from sliding freely, thereby ensuring the stability of the projector 30.

[0033] In another embodiment, the support plate 13 and the slide plate 15 are both grid plates made of copper-aluminum alloy material, which is more conducive to transferring heat from the bottom of the projector 30.

[0034] In another embodiment, if Figure 3 As shown, a heat dissipation port 18 is provided on the rear cover plate of the box body 10 to facilitate the discharge of heat from the box body 10 .

[0035] In another embodiment, the inner side of the box body 10 is provided with sound-absorbing cotton to reduce the noise generated when the projector 30 is working.

[0036] In another embodiment, if Figure 1 and Figure 2 As shown, the hanging assembly includes a hanging plate 21 and a hanging rod 26, the hanging plate 21 is arranged on the top of the box body 10, the top of the hanging plate 21 is provided with a socket 22, the inside of the hanging plate 21 is provided with a slide 23 connected with the socket 22, the width of the slide 23 is the same as the width of the socket 22, and the top of the slide 23 is provided with a through groove connected to the top surface of the hanging plate 21; the bottom end of the hanging rod 26 is provided with a block 28, the width of the block 28 is adapted to the width of the slide 23 and is greater than the width of the through groove; the top of the hanging rod 26 is provided with a mounting flange 27.

[0037] In another embodiment, if Figure 4 As shown, a spring 24 is provided inside the slide 23, and an adjusting screw 25 is transversely penetrated on one side of the hanging plate 21 close to the socket 22. The length direction of the adjusting screw 25 is parallel to the extension direction of the slide 23. After the block 28 is inserted into the slide 23, the position of the installed chassis can be locally fine-tuned by rotating the adjusting screw 25 inward or outward in conjunction with the expansion and contraction of the spring 24. At the same time, the existence of the adjusting screw 25 and the spring 24 can also make the connection between the block 28 and the hanging plate 21 more stable, thereby improving the practicality and convenience during use.

[0038] In another embodiment, the box body 10 and the hanging plate 21 are both made of aluminum alloy to ensure the strength and stability of the chassis.

[0039] In another embodiment, the side cover of the box body 10 is a detachable structure.

[0040] When the chassis of the ceiling-mounted projector 30 of the utility model is in use, first open the side cover of the box body 10, place the front end of the projector 30 against the positioning plate 12, and align the projection port of the projector 30 with the projection window 11 of the box body 10, then push the push plate 16 forward to make it against the rear end of the projector 30, turn down the lock buckle 17 to lock the position of the push plate 16, and the slide plate 15 and the supporting plate 13 are used to support the projector 30. In addition, the space under the slide plate 15 and the supporting plate 13 can be used as a heat dissipation channel to enhance the heat dissipation effect on the bottom of the projector 30. Afterwards, the hanging rod 26 is installed on the roof through the mounting flange 27, and the box body 10 and the hanging rod 26 are quickly assembled by inserting the block 28 into the slide 23.

[0041] The above-mentioned embodiments only express the specific implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. A ceiling mounted projector chassis, characterized in that: It includes a box body and a hanging assembly arranged on the top of the box body; a delivery window is arranged on the front cover plate of the box body, and a projector carrying assembly is arranged inside the box body; the projector carrying assembly includes a cylindrical slide rail, a positioning plate, a carrying plate, a slide plate and a push plate, the cylindrical slide rail is horizontally arranged on the inner bottom of the box body along the delivery direction of the projector, the positioning plate is fixedly arranged on one end of the cylindrical slide rail facing the delivery window, the carrying plate is horizontally arranged and connected to the side of the positioning plate away from the delivery window, the slide plate is horizontally arranged and slidably connected to the cylindrical slide rail through a slider, the carrying plate and the slide plate are at the same horizontal height, and the push plate is connected to the side of the slide plate away from the carrying plate.

2. The ceiling-mounted projector chassis according to claim 1, characterized in that: A lock buckle is hinged on the push plate, and the lock buckle is L-shaped. The free end of the lock buckle is provided with an elastic card that can be snapped with the cylindrical slide rail, and the elastic card is an open-loop structure with a central angle greater than 180 degrees.

3. The ceiling-mounted projector chassis according to claim 1, characterized in that: The bearing plate and the slide plate are both grid plates made of copper-aluminum alloy.

4. The ceiling-mounted projector chassis according to claim 1, characterized in that: The rear cover plate of the box body is provided with a heat dissipation opening.

5. The ceiling-mounted projector chassis according to claim 1, characterized in that: The inner side of the box body is provided with sound-absorbing cotton.

6. The ceiling-mounted projector chassis according to claim 1, characterized in that: The hanging assembly includes a hanging plate and a hanging rod. The hanging plate is arranged on the top of the box body. A socket is arranged on the top of the hanging plate. A slide connected to the socket is arranged inside the hanging plate. The width of the slide is the same as the width of the socket. A through groove connected to the top surface of the hanging plate is arranged on the top of the slide. A clamping block is arranged at the bottom end of the hanging rod. The width of the clamping block is adapted to the width of the slide and is larger than the width of the through groove. A mounting flange is arranged on the top of the hanging rod.

7. The ceiling-mounted projector chassis according to claim 6, characterized in that: A spring is arranged inside the slideway, and an adjusting screw is transversely penetrated on one side of the hanging plate close to the socket, and the length direction of the adjusting screw is parallel to the extending direction of the slideway.

8. The ceiling-mounted projector chassis according to claim 6, characterized in that: The box body and the hanging plate are both made of aluminum alloy.

9. The ceiling-mounted projector chassis according to claim 1, characterized in that: The side cover plate of the box body is a detachable structure.

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