CN219345613U

CN219345613U - Fire prevention valve for air conditioner with thermal-insulated function

Info

Publication number: CN219345613U
Application number: CN202320503572.6U
Authority: CN
Inventors: 商海珠; 祁烨; 陈艳
Original assignee: Taizhou Xinxing Air Conditioning Purification Equipment Co ltd
Current assignee: Taizhou Xinxing Air Conditioning Purification Equipment Co ltd
Priority date: 2023-03-15
Filing date: 2023-03-15
Publication date: 2023-07-14
Anticipated expiration: 2033-03-15

Abstract

The utility model discloses a fireproof valve with a heat insulation function for an air conditioner, which comprises a valve main body, a heat insulation mechanism, a valve plate and an executing mechanism, wherein the heat insulation mechanism is arranged at one end inside the valve main body and consists of a heat insulation net cage, a fixing frame and a mineral wool plate, screw holes are formed in two sides of the heat insulation net cage, through holes are formed in two sides of the valve main body, the through holes are matched with the screw holes, bolts are arranged inside the through holes, and one end of each bolt penetrates through the through holes and is in threaded connection with the screw holes. According to the utility model, the heat insulation mechanism is arranged in the valve main body and consists of the heat insulation net cage, the fixed frame and the mineral wool plates, when hot air enters the valve main body through the gaps and enters the heat insulation net cage, the hot air shuttles between the mineral wool plates, the contact area between the obliquely arranged mineral wool plates and the hot air can be increased, the hot air is blocked, smoke dust is intercepted, the smoke prevention and heat insulation effects of the fire damper are further improved, and more escape time is obtained for trapped people.

Description

Fire prevention valve for air conditioner with thermal-insulated function

Technical Field

The utility model relates to the technical field of fire protection valves, in particular to a fire protection valve with a heat insulation function for an air conditioner.

Background

The fire-proof valve is a normally closed valve, which is opened or manually opened by a control center through 24V direct current, and is automatically closed at 280 ℃ and reset is needed manually. The function of the device is as follows: when the temperature of the smoke reaches 280 ℃, people are basically evacuated, smoke is exhausted without practical significance, and the smoke is burnt at the moment, and the valve is automatically closed to avoid the spread of fire. Fire protection valves are used in ventilation systems for large sites and are widely used in air conditioning ventilation ducts.

When the existing fire-proof valve is used, a certain gap exists after the valve plate on the fire-proof valve is closed, and hot air wrapped with smoke dust still can slowly invade indoors through the gap, so that the smoke prevention and heat insulation effects are poor.

Therefore, it is necessary to solve the above problems by inventing a fire damper for an air conditioner having a heat insulating function.

Disclosure of Invention

The utility model aims to provide a fireproof valve with a heat insulation function for an air conditioner, which solves the problems that when the conventional fireproof valve is used, a certain gap exists after a valve plate on the conventional fireproof valve is closed, and hot air wrapped with smoke dust can still slowly invade into a room through the gap, so that the smoke prevention and heat insulation effects are poor.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides an air conditioner fire prevention valve with thermal-insulated function, includes valve main part, thermal-insulated mechanism, valve plate and actuating mechanism, thermal-insulated mechanism sets up in the inside one end of valve main part, thermal-insulated mechanism comprises thermal-insulated box with a net, fixed frame and mineral wool board, the screw has all been seted up to thermal-insulated box with a net both sides, the through-hole has all been seted up to valve main part both sides, through-hole and screw assorted, the inside bolt that is equipped with of through-hole, bolt one end runs through the through-hole and with screw threaded connection, fixed frame fixed connection is inside the thermal-insulated box with a net, mineral wool board fixed connection is inside fixed frame, mineral wool board slope sets up, mineral wool board quantity is established to a plurality of mineral wool board is sharp array distribution, the mesh has all been seted up to thermal-insulated box with a net both sides.

Preferably, the number of the fixed frames is two, the two fixed frames are symmetrically distributed about the central line of the heat insulation net cage, a gap is reserved between the mineral wool boards on the two fixed frames, when no fire disaster occurs, the valve plate is in an open state, and air can enter the room through the gap between the mineral wool boards, so that the indoor ventilation requirement is met.

Preferably, the valve plate is arranged inside the valve body, the middle part of the valve plate is fixedly connected with a rotating shaft, the top end of the rotating shaft is rotationally connected with the top wall of the valve body, the bottom end of the rotating shaft is rotationally connected with the bottom wall of the valve body, and the valve plate can rotate around the rotating shaft under the pulling of the spring.

Preferably, the number of the valve plates is two, the surfaces of the two valve plates are fixedly connected with hinge pieces, a connecting rod is hinged between the two hinge pieces, and one valve plate can drive the other valve plate to rotate through the connecting rod when the other valve plate rotates.

Preferably, two sides of the inner wall of the valve main body are fixedly connected with side baffles, one side baffle is matched with one valve plate, the other side baffle is matched with the other valve plate, and when the two valve plates are respectively abutted against the two side baffles, the two valve plates are closed.

Preferably, a hanging plate is fixedly connected to one side of the inner wall of the valve main body and the surface of one valve plate, and a spring is arranged between the two hanging plates in a hanging manner.

Preferably, the actuating mechanism is fixedly arranged at the top of the valve main body, the output end at the bottom of the actuating mechanism extends into the valve main body and props against one side of one valve plate, and when the actuating mechanism withdraws the output end at the bottom, the spring is out of constraint, starts to shrink and pulls one valve plate to rotate.

Preferably, the valve main body is internally provided with a smoke detector, the smoke detector is fixedly arranged on the top wall of the valve main body, the smoke detector is electrically connected with the executing mechanism, the smoke detector converts the change of the smoke concentration into an electric signal to realize alarming, and the executing mechanism is sent a closing signal.

In the technical scheme, the utility model has the technical effects and advantages that:

through set up thermal-insulated mechanism in the valve main part is inside, thermal-insulated mechanism comprises thermal-insulated box with a net, fixed frame and mineral wool board, when inside the steam invaded the valve main part through the gap and get into thermal-insulated box with a net inside, the steam shuttles between a plurality of mineral wool boards on fixed frame, the mineral wool board that the slope set up can increase the area of contact with the steam, forms certain blocking to the steam to intercept the smoke and dust in the steam simultaneously, further improve the smoke and heat protection effect of fire damper, strive for more escape time for indoor stranded personnel.

Drawings

FIG. 1 is a schematic view of the whole structure of the first view angle of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of the second view angle of the present utility model;

FIG. 3 is a partial cross-sectional view of the valve plate of the present utility model when opened;

FIG. 4 is a partial cross-sectional view of the valve plate of the present utility model when closed;

FIG. 5 is a schematic view of the structure of the insulated cage of the present utility model;

fig. 6 is a partial structural cross-sectional view of the thermal insulation mechanism of the present utility model.

Reference numerals illustrate:

1. a valve body; 2. a heat insulation mechanism; 3. a valve plate; 4. an actuator; 5. a heat insulation cage; 6. a fixed frame; 7. mineral wool boards; 8. a screw hole; 9. a through hole; 10. a bolt; 11. a rotating shaft; 12. a hinge; 13. a connecting rod; 14. side baffles; 15. a hanging plate; 16. a spring; 17. a smoke detector.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The utility model provides a fireproof valve with a heat insulation function for an air conditioner, which is shown in figures 1-6, and comprises a valve main body 1, a heat insulation mechanism 2, a valve plate 3 and an actuating mechanism 4, wherein the heat insulation mechanism 2 is arranged at one end inside the valve main body 1, the heat insulation mechanism 2 consists of a heat insulation net box 5, a fixed frame 6 and mineral wool plates 7, screw holes 8 are formed in two sides of the heat insulation net box 5, through holes 9 are formed in two sides of the valve main body 1, the through holes 9 are matched with the screw holes 8, bolts 10 are arranged inside the through holes 9, one end of each bolt 10 penetrates through the through holes 9 and is in threaded connection with the screw holes 8, the fixed frame 6 is fixedly connected inside the heat insulation net box 5, the mineral wool plates 7 are fixedly connected inside the fixed frame 6, the mineral wool plates 7 are obliquely arranged, the mineral wool plates 7 are distributed in a plurality, and meshes are formed in two sides of the heat insulation net box 5 in a linear array mode.

The number of the fixed frames 6 is two, the two fixed frames 6 are symmetrically distributed about the central line of the heat insulation net cage 5, and a gap is reserved between the mineral wool plates 7 on the two fixed frames 6.

The valve plate 3 is arranged inside the valve body 1, a rotating shaft 11 is fixedly connected to the middle part of the valve plate 3, the top end of the rotating shaft 11 is rotationally connected with the top wall of the valve body 1, and the bottom end of the rotating shaft 11 is rotationally connected with the bottom wall of the valve body 1.

The number of the valve plates 3 is two, the surfaces of the two valve plates 3 are fixedly connected with hinge pieces 12, and a connecting rod 13 is hinged between the two hinge pieces 12.

Side baffles 14 are fixedly connected to two sides of the inner wall of the valve main body 1, one side baffle 14 is matched with one valve plate 3, and the other side baffle 14 is matched with the other valve plate 3.

A hanging plate 15 is fixedly connected to one side of the inner wall of the valve main body 1 and the surface of one valve plate 3, and a spring 16 is arranged between the two hanging plates 15 in a hanging manner.

The actuating mechanism 4 is fixedly arranged at the top of the valve main body 1, and the output end at the bottom of the actuating mechanism 4 extends into the valve main body 1 and abuts against one side of one valve plate 3.

The valve body 1 is internally provided with a smoke detector 17, the smoke detector 17 is fixedly arranged on the top wall of the valve body 1, and the smoke detector 17 is electrically connected with the executing mechanism 4.

The working principle of the utility model is as follows:

when the utility model is used, the valve body 1 is firstly arranged on an air-conditioning ventilation pipeline leading to a room, when a fire disaster happens, hot air which is wrapped with smoke dust flows into the ventilation pipeline, the smoke detector 17 converts the change of smoke dust concentration into an electric signal to realize alarm and sends a closing signal to the actuating mechanism 4, the actuating mechanism 4 receives the signal and withdraws the bottom output end, the spring 16 starts to shrink after losing constraint, one valve plate 3 rotates around the rotating shaft 11 under the pulling of the spring 16 and drives the other valve plate 3 to rotate through the connecting rod 13 until the two valve plates 3 are respectively abutted against the two side baffles 14, so that the two valve plates 3 are closed, most of hot air is blocked outside, but part of hot air still flows into the valve body 1 through gaps between the valve plates 3, the hot air then enters the heat insulation net cage 5 and shuttles between the plurality of mineral wool plates 7 on the fixed frame 6, the contact area between the obliquely arranged mineral wool plates 7 can be increased to form a certain barrier to the hot air, meanwhile, smoke dust in the hot air is blocked, the smoke dust in the hot air is further improved, and the fire protection valve is more stricken by the fire protection time of people.

Claims

1. The utility model provides an air conditioner fire prevention valve with thermal-insulated function, includes valve main part (1), thermal-insulated mechanism (2), valve plate (3) and actuating mechanism (4), its characterized in that: the utility model discloses a thermal-insulated mechanism, including valve main part (1), thermal-insulated mechanism (2) are by thermal-insulated box with a net (5), fixed frame (6) and mineral wool board (7) are constituteed, screw (8) have all been seted up to thermal-insulated box with a net (5) both sides, through-hole (9) have all been seted up to valve main part (1) both sides, through-hole (9) and screw (8) assorted, through-hole (9) inside are equipped with bolt (10), bolt (10) one end runs through-hole (9) and with screw (8) threaded connection, fixed frame (6) fixed connection is inside thermal-insulated box with a net (5), mineral wool board (7) fixed connection is inside fixed frame (6), mineral wool board (7) slope sets up, mineral wool board (7) quantity is set up to a plurality of mineral wool board (7) are sharp array distribution, the mesh has all been seted up to thermal-insulated box with both sides.

2. The fire protection valve for air conditioner with heat insulation function according to claim 1, wherein: the number of the fixing frames (6) is two, the two fixing frames (6) are symmetrically distributed about the central line of the heat insulation net cage (5), and a gap is reserved between the mineral wool plates (7) on the two fixing frames (6).

3. The fire protection valve for air conditioner with heat insulation function according to claim 1, wherein: the valve plate (3) is arranged inside the valve main body (1), a rotating shaft (11) is fixedly connected to the middle of the valve plate (3), the top end of the rotating shaft (11) is rotationally connected with the top wall of the valve main body (1), and the bottom end of the rotating shaft (11) is rotationally connected with the bottom wall of the valve main body (1).

4. The fire protection valve for air conditioner with heat insulation function according to claim 1, wherein: the number of the valve plates (3) is two, the surfaces of the two valve plates (3) are fixedly connected with hinge pieces (12), and connecting rods (13) are hinged between the two hinge pieces (12).

5. The fire protection valve for air conditioner with heat insulation function according to claim 1, wherein: the valve is characterized in that side baffles (14) are fixedly connected to two sides of the inner wall of the valve body (1), one side baffle (14) is matched with one valve plate (3), and the other side baffle (14) is matched with the other valve plate (3).

6. The fire protection valve for air conditioner with heat insulation function according to claim 1, wherein: the valve is characterized in that a hanging plate (15) is fixedly connected to one side of the inner wall of the valve main body (1) and the surface of one valve plate (3), and a spring (16) is arranged between the two hanging plates (15) in a hanging mode.

7. The fire protection valve for air conditioner with heat insulation function according to claim 1, wherein: the actuating mechanism (4) is fixedly arranged at the top of the valve main body (1), and the output end at the bottom of the actuating mechanism (4) extends into the valve main body (1) and abuts against one side of one valve plate (3).

8. The fire protection valve for air conditioner with heat insulation function according to claim 7, wherein: the valve is characterized in that a smoke detector (17) is arranged in the valve body (1), the smoke detector (17) is fixedly arranged on the top wall of the valve body (1), and the smoke detector (17) is electrically connected with the executing mechanism (4).