Ventilation device for broadcast television engineering machine room

Abstract

The utility model discloses a ventilation device for a broadcast television engineering machine room, which belongs to the technical field of ventilation of engineering machine rooms and comprises a device body, an air inlet pipe is fixedly connected to the top of the device body, an air supply pipe is arranged on the front side of the device body, and a sealing mechanism is arranged on the surface of the air supply pipe. The rear side of the air supply pipe extends into the device body and makes contact with the interior of the device body. The problems that most existing ventilation devices of the broadcast television engineering machine room are usually fixed through bolts during installation, vibration generated during work of the ventilation devices of the broadcast television engineering machine room can drive an air supply pipeline to vibrate, so that the bolts for fixing the air supply pipeline vibrate, the bolts are prone to loosening, and the service life of the ventilation devices is affected are solved. The sealing performance of the joint of the air supply pipeline and the ventilation device of the radio and television engineering machine room is reduced, so that the ventilation effect of the radio and television engineering machine room is influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering machine room ventilation, in particular to a ventilation device for a radio and television engineering machine room. Background Art

[0002] The ventilation device of the radio and television engineering room is a kind of building environment control technology that controls the spread and harm of air pollutants by means of ventilation dilution or ventilation exclusion, and ensures the quality of indoor and outdoor air environment. The ventilation system is to realize the ventilation function, including a complete set of devices including air inlets, exhaust outlets, air supply ducts, fans, cooling and heating, filters, control systems and other ancillary equipment.

[0003] At present, a Chinese patent with announcement number CN208750932U discloses a ventilation device for a machine room of a radio and television engineering transmitter, including a wall, a slotted rotating shaft and a rain shield, wherein a ventilation slot is provided on the surface of the wall, and a support plate is fixed inside the ventilation slot, and a power motor is installed on the right side of the support plate, and a ventilation fan blade is connected to the left side of the power motor, a wind limiting plate is installed on the right side below the slot, the rain shield is connected to the wall surface by fixing bolts, and a water leakage groove is provided on the lower surface of the rain shield, and a vent is provided in the middle of the wind limiting plate. This ventilation device for a machine room of a radio and television engineering transmitter is provided with a rain shield, which can effectively block rainwater outside the ventilation slot and prevent rainwater from entering the machine room, and the rain shield is fixed to the outside of the wall by fixing bolts, which is convenient for fixing the rain shield, and at the same time, the fixing bolts pass through the slot on the surface of the wall so that the fixing bolts are clamped on the connecting gear, which is convenient for fixing the connecting gear.

[0004] Most of the existing ventilation devices in radio and television engineering room are usually fixed with bolts during installation. The vibration generated by the ventilation devices in radio and television engineering room during operation will drive the air supply duct to vibrate, thereby causing the bolts fixing the air supply duct to vibrate, which can easily loosen the bolts and reduce the sealing of the connection between the air supply duct and the ventilation device in the radio and television engineering room, thereby affecting the ventilation effect of the radio and television engineering room. Utility Model Content

[0005] The utility model provides a ventilation device for a radio and television engineering machine room, aiming to solve the problem that most of the existing ventilation devices for radio and television engineering machine rooms are usually fixed with bolts during installation, and the vibration generated by the ventilation device for the radio and television engineering machine room during operation will drive the air supply duct to vibrate, thereby causing the bolts fixing the air supply duct to vibrate, which is easy to loosen the bolts, and the sealing of the connection between the air supply duct and the ventilation device for the radio and television engineering machine room will be reduced, thereby affecting the ventilation effect of the radio and television engineering machine room.

[0006] The utility model is implemented as follows: a ventilation device for a radio and television engineering room comprises a device body, the top of the device body is fixedly connected with an air inlet pipe, the front side of the device body is provided with an air supply pipe, the surface of the air supply pipe is provided with a sealing mechanism, the rear side of the air supply pipe extends to the inside of the device body and contacts with the inside of the device body;

[0007] The sealing mechanism includes a sealing frame, a sealing gasket and a connecting block, wherein the inner wall of the sealing frame is fixedly connected to the surface of the air inlet pipe, the inner wall of the sealing gasket is fixedly connected to the surface of the sealing frame, and the front side of the connecting block is fixedly connected to the rear side of the sealing gasket.

[0008] In order to achieve the effect of sealing the connection between the device body and the air supply duct, as a preferred ventilation device for a radio and television engineering room of the utility model, a connecting groove is opened on the front side of the device body, the rear side of the connecting block extends to the interior of the connecting groove and is in close contact with the interior of the connecting groove, and the rear side of the sealing gasket is in close contact with the front side of the device body.

[0009] In order to achieve the effect of limiting the air supply duct, as a preferred ventilation device for a radio and television engineering room of the utility model, four limit blocks are fixedly connected to the surface of the connecting block, four limit grooves are opened inside the connecting groove, and the rear side of the limit block extends to the inside of the limit groove and contacts with the inside of the limit groove.

[0010] In order to achieve the effect of limiting and fixing the spring, as a preferred ventilation device for a radio and television engineering room of the utility model, the air supply duct is fixedly connected to the inside with four support frames, the support frames are provided with expansion grooves, and the expansion grooves are fixedly connected to the inside with springs.

[0011] In order to facilitate the movement of the telescopic column, as a preferred ventilation device for a radio and television engineering room of the utility model, the side of the spring close to the inner wall of the air supply duct is fixedly connected with the telescopic column, the side of the telescopic column close to the telescopic groove is slidably connected to the inside of the telescopic groove, and the side of the telescopic column away from the telescopic groove passes through the air supply duct and extends to the outside of the air supply duct.

[0012] In order to achieve the effect of fixing the air supply duct, as a preferred ventilation device for a radio and television engineering room of the utility model, two sealing sleeves are fixedly connected to the surface of the telescopic column, four fixing grooves are opened inside the device body, and the side of the telescopic column close to the fixing groove extends to the inside of the fixing groove and contacts with the inside of the fixing groove, and the surface of the sealing sleeve is in close contact with the inner wall of the fixing groove.

[0013] In order to facilitate the movement of the telescopic column into the fixed groove, as a preferred ventilation device for a broadcasting and television engineering room of the utility model, an inclined plate is fixedly connected to the surface of the telescopic column, and a sphere is rotatably connected to one side of the telescopic column close to the fixed groove.

[0014] In order to achieve the filtering effect, as a preferred ventilation device for a broadcasting and television engineering room of the utility model, a ventilation rack is arranged inside the device body, and a filter is fixedly connected to the inside of the air supply duct.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The ventilation device for a radio and television engineering machine room can facilitate the device body to ventilate the interior of the machine room through the air supply pipe by making the surface of the air supply pipe contact with the interior of the device body, and then the air supply pipe drives the sealing frame to move rearward, so that the sealing frame drives the connecting block to move through the sealing gasket, so that the rear side of the connecting block can be extended to the interior of the device body, so that the rear side of the sealing gasket is in close contact with the connection between the device body and the air supply pipe, so that the connection between the device body and the air supply pipe can be tightly sealed, thereby maintaining the effect of the device body supporting the ventilation of the machine room, and solving the problem that most of the existing ventilation devices for radio and television engineering machine rooms are usually fixed with bolts during installation, and the vibration generated by the ventilation devices for radio and television engineering machine rooms during operation will drive the air supply pipe to vibrate, thereby causing the bolts fixing the air supply pipe to vibrate, which is easy to make the bolts loose, and the sealing performance of the connection between the air supply pipe and the ventilation device for the radio and television engineering machine room will be reduced, thereby affecting the ventilation effect of the radio and television engineering machine room. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the overall structural diagram of the ventilation device for a radio and television engineering room of the utility model;

[0018] Figure 2 It is a three-dimensional connection diagram of the device body and the ventilation frame in the utility model;

[0019] Figure 3 It is a three-dimensional connection schematic diagram of the sealing mechanism in the utility model;

[0020] Figure 4 It is a three-dimensional connection diagram of the telescopic column and the spring in the utility model;

[0021] Figure 5 For this utility model Figure 2 A partial enlarged view of point A in the middle.

[0022] In the figure, 1. device body; 2. air inlet pipe; 3. sealing mechanism; 301. sealing frame; 302. sealing gasket; 303. connecting block; 4. air supply pipe; 5. ventilation frame; 6. sphere; 7. limit block; 8. filter; 9. inclined plate; 10. telescopic slot; 11. support frame; 12. telescopic column; 13. sealing sleeve; 14. spring; 15. fixing slot; 16. connecting slot; 17. limit slot. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0025] See also Figure 1-5 The utility model provides a technical solution: a ventilation device for a radio and television engineering room, comprising a device body 1, an air inlet pipe 2 is fixedly connected to the top of the device body 1, an air supply pipe 4 is arranged on the front side of the device body 1, a sealing mechanism 3 is arranged on the surface of the air supply pipe 4, and the rear side of the air supply pipe 4 extends to the inside of the device body 1 and contacts with the inside of the device body 1;

[0026] The sealing mechanism 3 includes a sealing frame 301, a sealing gasket 302 and a connecting block 303. The inner wall of the sealing frame 301 is fixedly connected to the surface of the air inlet pipe 2, the inner wall of the sealing gasket 302 is fixedly connected to the surface of the sealing frame 301, and the front side of the connecting block 303 is fixedly connected to the rear side of the sealing gasket 302.

[0027] In this embodiment: by making the surface of the air supply pipe 4 contact with the interior of the device body 1, the device body 1 can facilitate the ventilation of the interior of the machine room through the air supply pipe 4, and then the air supply pipe 4 drives the sealing frame 301 to move rearward, so that the sealing frame 301 drives the connecting block 303 to move through the sealing gasket 302, and the rear side of the connecting block 303 can be extended to the interior of the device body 1, so that the rear side of the sealing gasket 302 is in close contact with the connection between the device body 1 and the air supply pipe 4, and the connection between the device body 1 and the air supply pipe 4 can be tightly sealed, thereby maintaining the effect of the device body 1 supporting the ventilation of the machine room.

[0028] As a technical optimization solution of the utility model, a connecting groove 16 is opened on the front side of the device body 1, the rear side of the connecting block 303 extends to the interior of the connecting groove 16 and is in close contact with the interior of the connecting groove 16, and the rear side of the sealing gasket 302 is in close contact with the front side of the device body 1.

[0029] In this embodiment: by making the rear side of the sealing gasket 302 in close contact with the front side of the device body 1, the connection between the device body 1 and the air supply pipe 4 can be sealed, thereby achieving the effect of sealing the connection between the device body 1 and the air supply pipe 4.

[0030] As a technical optimization solution of the utility model, four limit blocks 7 are fixedly connected to the surface of the connecting block 303, four limit grooves 17 are opened inside the connecting groove 16, and the rear side of the limit block 7 extends to the inside of the limit groove 17 and contacts with the inside of the limit groove 17.

[0031] In this embodiment, by extending the rear side of the limiting block 7 to the inside of the limiting groove 17 and contacting the inside of the limiting groove 17, the air supply pipe 4 can be limited by the limiting block 7, thereby achieving the effect of limiting the air supply pipe 4.

[0032] As a technical optimization solution of the utility model, four support frames 11 are fixedly connected inside the air supply pipe 4, and telescopic grooves 10 are opened inside the support frames 11. Springs 14 are fixedly connected inside the telescopic grooves 10.

[0033] In this embodiment, the spring 14 can be fixed by extending the side of the spring 14 close to the telescopic slot 10 to the inside of the telescopic slot 10 and fixedly connected to the inside of the telescopic slot 10, thereby achieving the effect of limiting and fixing the spring 14.

[0034] As a technical optimization solution of the utility model, a side of the spring 14 close to the inner wall of the air supply pipe 4 is fixedly connected with a telescopic column 12, a side of the telescopic column 12 close to the telescopic slot 10 is slidably connected to the inside of the telescopic slot 10, and a side of the telescopic column 12 away from the telescopic slot 10 passes through the air supply pipe 4 and extends to the outside of the air supply pipe 4.

[0035] In this embodiment, the telescopic column 12 can be easily moved by making the side of the telescopic slot 10 close to the telescopic slot 10 slidably connected to the inside of the telescopic slot 10 , thereby achieving the effect of facilitating the movement of the telescopic column 12 .

[0036] As a technical optimization solution of the utility model, two sealing sleeves 13 are fixedly connected to the surface of the telescopic column 12, four fixing grooves 15 are opened inside the device body 1, and the side of the telescopic column 12 close to the fixing groove 15 extends to the inside of the fixing groove 15 and contacts with the inside of the fixing groove 15, and the surface of the sealing sleeve 13 is in close contact with the inner wall of the fixing groove 15.

[0037] In this embodiment, the telescopic column 12 can fix the air supply pipe 4 by making the surface of the telescopic column 12 contact with the inside of the fixing groove 15, thereby achieving the effect of fixing the air supply pipe 4.

[0038] As a technical optimization solution of the utility model, the surface of the telescopic column 12 is fixedly connected with the inclined plate 9, and the side of the telescopic column 12 close to the fixing groove 15 is rotatably connected with the ball 6.

[0039] In this embodiment, the inclined plate 9 is fixedly connected to the surface of the telescopic column 12 , so that the telescopic column 12 can be conveniently moved to the inside of the fixed groove 15 through the inclined plate 9 , thereby achieving the effect of facilitating the telescopic column 12 to move to the inside of the fixed groove 15 .

[0040] As a technical optimization solution of the present invention, a ventilation frame 5 is provided inside the device body 1 , and a filter screen 8 is fixedly connected to the inside of the air supply pipe 4 .

[0041] In this embodiment, by fixing the filter screen 8 inside the air supply pipe 4, the filter screen 8 can filter inside the air supply pipe 4, thereby achieving a filtering effect.

[0042] Working principle: First, move the rear side of the air supply pipe 4 to the front side of the device body 1, so that the air supply pipe 4 drives the sealing frame 301 to move, and the sealing frame 301 drives the connecting block 303 to move through the sealing gasket 302, so that the rear side of the connecting block 303 can be extended to the inside of the connecting groove 16, and the limiting block 7 can be limited when the air supply pipe 4 moves, so that the sealing gasket 302 can seal the connection between the device body 1 and the air supply pipe 4, so as to maintain the efficiency of the device body 1 to ventilate the inside of the machine room through the ventilation frame 5, and then the air supply pipe 4 drives the limiting column to move inside the device body 1 through the ball 6, so that the limiting column slides inside the air supply pipe 4 and the support frame 11 through the spring 14, and the limiting column can move through the inclined plate 9 To the inside of the fixing groove 15, the connecting column drives the sealing sleeve 13 to move to the inside of the fixing groove 15 and is in close contact with the inside of the fixing groove 15, so that the air supply pipe 4 can be fixed to the inside of the device body 1, thereby achieving the effect of installing the air supply pipe 4, avoiding the air supply pipe 4 from loosening due to the vibration of the device body 1, and solving the problem that most of the existing radio and television engineering room ventilation devices are usually fixed with bolts during installation. The vibration generated by the radio and television engineering room ventilation device during operation will drive the air supply pipe 4 to vibrate, thereby causing the bolts fixing the air supply pipe 4 to vibrate, which is easy to make the bolts loose, and the sealing of the connection between the air supply pipe 4 and the radio and television engineering room ventilation device will decrease, thereby affecting the ventilation effect of the radio and television engineering room.

[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A ventilation device for a radio and television engineering room, comprising a device body (1), characterized in that: An air inlet pipe (2) is fixedly connected to the top of the device body (1), an air supply pipe (4) is arranged on the front side of the device body (1), a sealing mechanism (3) is arranged on the surface of the air supply pipe (4), and the rear side of the air supply pipe (4) extends to the interior of the device body (1) and contacts the interior of the device body (1); The sealing mechanism (3) comprises a sealing frame (301), a sealing pad (302) and a connecting block (303); the inner wall of the sealing frame (301) is fixedly connected to the surface of the air inlet pipe (2); the inner wall of the sealing pad (302) is fixedly connected to the surface of the sealing frame (301); and the front side of the connecting block (303) is fixedly connected to the rear side of the sealing pad (302).

2. A ventilation device for a broadcasting and television engineering room according to claim 1, characterized in that: A connection groove (16) is provided on the front side of the device body (1), the rear side of the connection block (303) extends to the inside of the connection groove (16) and is in close contact with the inside of the connection groove (16), and the rear side of the sealing gasket (302) is in close contact with the front side of the device body (1).

3. A ventilation device for a broadcasting and television engineering room according to claim 2, characterized in that: Four limit blocks (7) are fixedly connected to the surface of the connection block (303), four limit grooves (17) are provided inside the connection groove (16), and the rear side of the limit block (7) extends to the inside of the limit groove (17) and contacts the inside of the limit groove (17).

4. A ventilation device for a broadcasting and television engineering room according to claim 1, characterized in that: Four support frames (11) are fixedly connected inside the air supply pipe (4), telescopic slots (10) are provided inside the support frames (11), and springs (14) are fixedly connected inside the telescopic slots (10).

5. A ventilation device for a broadcasting and television engineering room according to claim 4, characterized in that: A side of the spring (14) close to the inner wall of the air supply pipe (4) is fixedly connected to a telescopic column (12); a side of the telescopic column (12) close to the telescopic slot (10) is slidably connected to the inside of the telescopic slot (10); a side of the telescopic column (12) away from the telescopic slot (10) passes through the air supply pipe (4) and extends to the outside of the air supply pipe (4).

6. A ventilation device for a broadcasting and television engineering room according to claim 5, characterized in that: Two sealing sleeves (13) are fixedly connected to the surface of the telescopic column (12); four fixing grooves (15) are provided inside the device body (1); a side of the telescopic column (12) close to the fixing groove (15) extends into the inside of the fixing groove (15) and contacts the inside of the fixing groove (15); and a surface of the sealing sleeve (13) is in close contact with the inner wall of the fixing groove (15).

7. A ventilation device for a broadcasting and television engineering room according to claim 5, characterized in that: An inclined plate (9) is fixedly connected to the surface of the telescopic column (12), and a spherical body (6) is rotatably connected to a side of the telescopic column (12) close to the fixing groove (15).

8. A ventilation device for a broadcasting and television engineering room according to claim 1, characterized in that: A ventilation frame (5) is provided inside the device body (1), and a filter screen (8) is fixedly connected inside the air supply pipe (4).

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