CN216673227U

CN216673227U - Dustproof sound box for cinema

Info

Publication number: CN216673227U
Application number: CN202123349848.XU
Authority: CN
Inventors: 卢传才
Original assignee: Mingyin Hainan Electronic Technology Co ltd
Current assignee: Mingyin Hainan Electronic Technology Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-06-03
Anticipated expiration: 2031-12-28

Abstract

The utility model relates to a dustproof sound box for a cinema, which comprises an outer box, a cross rod and a sound box main body, wherein the top of the outer box is of an open structure, a bidirectional screw rod, a wind distribution plate and a fan are respectively arranged in the outer box from top to bottom, thread blocks are respectively sleeved on two sides of the bidirectional screw rod in a threaded manner, a driving part in driving connection with the bidirectional screw rod is arranged on the upper surface of the wind distribution plate, the fan is connected to the wind distribution plate, two sides of the lower end of the cross rod are respectively hinged with the two thread blocks, a top cover is arranged on the upper surface of the sound box main body, a sliding groove is arranged on the lower surface of the sound box main body, sliding blocks are respectively arranged on two sides in the sliding groove, and two sides of the upper end of the cross rod are respectively hinged with the two sliding blocks. The stereo set among the prior art does not have dustproof and waterproof function effectively, is not suitable for outdoor cinema to use, and the suitability subalternation problem.

Description

Dustproof sound box for cinema

Technical Field

The utility model belongs to the technical field of sound equipment, and particularly relates to a dustproof sound equipment for a cinema.

Background

The sound equipment mainly has the function of reducing noise and amplifying an electric signal and then rotating the electric signal into a sound signal, is also commonly called as a sound box, and is generally widely used for movie projection of cinemas. However, most of the sound equipment used in the current movie theatres is a traditional box-type structure, and the sound equipment used in the movie theatres is usually placed on the ground or mounted on the wall, but the problems in the prior art are that: 1. the sound box has no dust removal function, dust is easily attached to the outer surface of the sound box when the sound box is exposed outside during the non-use period, the appearance is affected, frequent cleaning is needed, and the workload of cinema workers is increased; 2. the stereo set does not have waterproof function, is not suitable for outdoor cinema to use, and the suitability is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a dustproof sound box for a cinema, which effectively solves the problems that the sound box in the prior art does not have dustproof and waterproof functions, is not suitable for being used in outdoor cinemas, and has poor applicability and the like.

The technical scheme adopted by the utility model is as follows:

the utility model provides a cinema is with dustproof stereo set, includes outer container, crossbar and audio main unit, the outer container top is open structure, from last to being equipped with two-way screw rod, branch aerofoil and fan respectively down in the outer container, the threaded sleeve is equipped with the screw thread piece respectively on the two-way screw rod both sides, divide aerofoil upper surface to install the driver part who is connected with the drive of two-way screw rod, the fan is connected in dividing the aerofoil, the both sides of crossbar lower extreme are articulated with two screw thread pieces respectively, the audio main unit upper surface is equipped with the top cap, the audio main unit lower surface is equipped with the spout, and both sides in the spout all are equipped with the slider, the both sides of crossbar upper end are articulated with two sliders respectively.

Furthermore, an air inlet is formed in the outer box and located below the air distributing plate, and a filtering piece is arranged on the air inlet.

Furthermore, the driving part comprises a motor arranged on the upper surface of the air distribution plate and a driven gear arranged in the middle of the bidirectional screw, and a driving gear meshed with the driven gear is arranged on an output shaft of the motor.

Further, install humidity transducer and controller in the outer container, the fan adopts cold and hot fan, the controller respectively with fan, motor and humidity transducer electric connection.

Further, install temperature sensor on the stereo set main part, temperature sensor and controller electric connection.

Compared with the prior art, the utility model has the beneficial effects that:

1. after the stereo set uses up, drive two-way screw rod through drive assembly and rotate in the outer box, two-way screw rod drives the both ends of crossbar downside and keeps away from each other through two screw thread pieces, makes the crossbar shorten and drives in the stereo set main part falls into the outer box, makes the top cap lid fit in outer box top, effectively reduces the invasion and attack of dust, and dustproof effectual, and still play waterproof effect, applicable in outdoor movie projection.

2. Utilize the fan to divide the aerofoil air feed, the air blows to the stereo set surface through dividing the aerofoil, utilizes to divide the aerofoil to make the area of blowing big, can detach the dust of stereo set surface adhesion comprehensively, and dust removal effect is good, has improved the clean festival on stereo set surface.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

in the figure: 1. a top cover; 2. a main body of the sound equipment; 3. an air inlet; 4. a filter member; 5. a motor; 6. a fan; 7. a driving gear; 8. a driven gear; 9. a controller; 10. a wind distribution plate; 11. a bidirectional screw; 12. a thread block; 13. a cross bar; 14. a humidity sensor; 15. a slider; 16. a chute; 17. an outer box.

Detailed Description

In order to better understand the technical content of the utility model, specific embodiments are provided below, and the utility model is further described with reference to the accompanying drawings.

Referring to fig. 1, the utility model provides a dustproof sound box for a cinema, which comprises an outer box 17, a cross rod 13 and a sound box main body 2, wherein the outer box 17 can be installed on the ground or a wall, the top of the outer box 17 is of an open structure, a bidirectional screw 11, a wind distribution plate 10 and a fan 6 are respectively arranged in the outer box 17 from top to bottom, two ends of the bidirectional screw 11 are rotatably connected with the side wall of the outer box 17, thread blocks 12 are respectively sleeved on two sides of the bidirectional screw 11, a driving part in driving connection with the bidirectional screw 11 is installed on the upper surface of the wind distribution plate 10 and used for driving the bidirectional screw 11 to rotate, the fan 6 is installed at the bottom of the outer box 17 and connected with the wind distribution plate 10, the cross rod 13 is formed by mutually hinging a plurality of rods, the end parts of two connecting rods at the bottom of the cross rod 13 are respectively hinged with the two thread blocks 12, a top cover 1 is arranged on the upper surface of the sound box main body 2, a chute 16 is arranged on the lower surface of the sound box main body 2, the two sides in the sliding groove 16 are both provided with sliding blocks 15 in a sliding manner, and the end parts of the two connecting rods at the top of the cross rod 13 are respectively hinged with the two sliding blocks 15. After the loudspeaker box is used, the two-way screw rod 11 is driven to rotate through the driving part, the two-way screw rod 11 drives the two ends of the lower side of the cross rod 13 to be away from each other through the thread blocks 12 on the two sides, the two ends of the upper side of the cross rod 13 drive the two sliding blocks 15 to slide in the sliding grooves 16 and to be away from each other, so that the cross rod 13 is shortened and drives the loudspeaker box to descend into the outer box 17, the top cover 1 is covered on the top of the outer box 17, the problem that dust is adhered to the outer surface of the loudspeaker box due to the fact that the loudspeaker box is exposed outside for a long time when the loudspeaker box is not used is solved, a good waterproof effect is achieved, the loudspeaker box is suitable for outdoor movie projection use, and high in applicability; after using the completion, through 6 to dividing aerofoil 10 gas transmission of fan, the air blows to the stereo set surface through dividing aerofoil 10, and the area of blowing is big, can effectively detach the dust of stereo set surface adhesion in the use, and the ash removal is effectual, has improved the clean festival on stereo set surface greatly.

Specifically, the outer box 17 is provided with an air inlet 3, the air inlet 3 is positioned below the air distributing plate 10, and the air inlet 3 is provided with a filtering piece 4. Utilize the dust in the filter member 4 filtered air, improve the cleanliness of blowing to sound main body 2 air, reduce the secondary pollution that subtracts the dirt in-process and cause sound main body 2, improve dust removal effect.

Specifically, the driving part comprises a motor 5 arranged on the upper surface of the air distribution plate 10 and a driven gear 8 arranged in the middle of a bidirectional screw rod 11, and a driving gear 7 meshed with the driven gear 8 is arranged on an output shaft of the motor 5. Utilize motor 5 to drive driving gear 7 and rotate, driving gear 7 drives two-way screw rod 11 through driven gear and rotates, its simple structure, it is durable reliable.

Specifically, a humidity sensor 14 and a controller 9 are installed in the outer box 17, the fan 6 adopts a cold and hot fan 6, and the controller 9 is electrically connected with the fan 6, the motor 5 and the humidity sensor 14 respectively. Utilize humidity transducer 14 to detect in the air, when humidity is heavier in the air, utilize controller 9 control fan 6 to produce the hot blast and blow to stereo set main part 2 and remove damp, avoid the stereo set excessively to wet and influence its life.

Specifically, the main audio body 2 is provided with a temperature sensor (not shown), and the temperature sensor is electrically connected to the controller 9. Utilize temperature sensor to detect the temperature of stereo set during operation, when the stereo set high temperature, utilize controller 9 control fan 6 to produce cold wind and remove the temperature to stereo set main part 2, avoid stereo set main part 2 high temperature and influence its life.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a dustproof stereo set is used to cinema which characterized in that: including outer container, crossbar and audio body, the outer container top is open structure, from last to being equipped with two-way screw rod respectively down in the outer container, dividing aerofoil and fan, threaded sleeve is equipped with the screw thread piece on the two-way screw rod both sides respectively, divide aerofoil upper surface mounting have the drive disk assembly who is connected with the drive of two-way screw rod, the fan is connected in dividing the aerofoil, the both sides of crossbar lower extreme are articulated with two screw thread pieces respectively, the audio body upper surface is equipped with the top cap, the audio body lower surface is equipped with the spout, and both sides in the spout all are equipped with the slider, the both sides of crossbar upper end are articulated with two sliders respectively.

2. The dustproof audio system for theaters according to claim 1, wherein: the air inlet is formed in the side wall of the outer box and located below the air distributing plate, and a filtering piece is arranged on the air inlet.

3. The dustproof audio system for theaters according to claim 1, wherein: the driving part comprises a motor arranged on the upper surface of the air distribution plate and a driven gear arranged in the middle of the bidirectional screw rod, and a driving gear meshed with the driven gear is arranged on an output shaft of the motor.

4. The dustproof audio system for theaters according to claim 1, wherein: install humidity transducer and controller in the outer container, the fan adopts cold and hot fan, the controller respectively with fan, motor and humidity transducer electric connection.

5. The dustproof audio system for theaters according to claim 1, wherein: install temperature sensor on the stereo set main part, temperature sensor and controller electric connection.