CN220082227U - Fireproof smoke exhaust valve - Google Patents

Abstract

The utility model discloses a fireproof smoke exhaust valve, which relates to the technical field of smoke exhaust valves and comprises a valve pipeline and an adjusting mechanism, wherein an actuator is arranged above the valve pipeline, a protective cover is arranged on the outer side of the actuator through a bolt, fan blades are arranged in the valve pipeline, a fireproof screen plate is arranged on one side of each fan blade, connecting plates are welded at two ends of the valve pipeline, one side of each connecting plate is connected with a first mounting plate through a sliding mechanism, and a second mounting plate is arranged on one side of each first mounting plate. This fire prevention formula smoke exhaust valve, executor can make the flabellum open, and the flue gas gets into from valve pipeline one end to through fire prevention otter board, follow valve pipeline and discharge afterwards, fire prevention otter board stops the spark to get into in the valve pipeline, prevents that the spark from firing the flabellum, makes the flabellum receive the damage, and the latter half of valve pipeline is loudspeaker formula, increases the area of discharging fume, has improved valve pipeline's fire resistance and work efficiency of discharging fume.

Description

Fireproof smoke exhaust valve

Technical Field

The utility model relates to the technical field of smoke exhaust valves, in particular to a fireproof smoke exhaust valve.

Background

The smoke exhaust valve is a common ventilation device, and is mainly used for controlling and regulating the air flow in a building, so as to ensure the air quality and the safety of indoor environment. Smoke exhaust valves are generally installed in public passages such as stairways, hallways, elevator shafts, etc., for exhausting smoke and toxic gases generated during a fire. Meanwhile, in daily use, the smoke exhaust valve can also effectively control the flow of indoor air, and keep the indoor air fresh, dry and comfortable.

However, the existing smoke exhaust valve has the following defects that the blades of most smoke exhaust valves are of a single-layer structure, when high-temperature smoke waves and sparks enter the rear valve channel, the inner blades are easy to deform, so that the blades are not smooth to open, the smoke exhaust speed and effect of the smoke exhaust valve are affected, and the existing smoke exhaust valve is improved.

Disclosure of Invention

The utility model aims to provide a fireproof smoke exhaust valve, which aims to solve the problems that the blades of most smoke exhaust valves in the market, which are proposed by the background technology, adopt a single-layer structure, and after high-temperature smoke waves and sparks enter a rear valve channel, the inner blades are easy to deform, so that the blades are not smooth to open, and the smoke exhaust speed and effect of the smoke exhaust valve are influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fire prevention formula smoke exhaust valve, includes valve pipeline and adjustment mechanism, the top of valve pipeline is equipped with the executor, the safety cover is installed through the bolt in the outside of executor, the internally mounted of valve pipeline has the flabellum, one side of flabellum is equipped with the fire prevention otter board, the welding of the both ends of valve pipeline has the connecting plate, one side of connecting plate is connected with mounting panel one through slide mechanism, one side of mounting panel one is equipped with mounting panel two, adjustment mechanism sets up in the built-in groove of mounting panel one, connecting tube is installed to one side of mounting panel one and mounting panel two, one side of adjustment mechanism is equipped with control mechanism.

Preferably, the control mechanism comprises a handle and a limiting rod, wherein the handle is arranged on one side of the second mounting plate, and the limiting rod is inserted into the other side of the second mounting plate.

Preferably, the adjusting mechanism comprises a limiting spring, a rack, a gear and an adjusting groove, and the gear is arranged in the built-in groove of the first mounting plate.

Preferably, one side of the gear is meshed with a rack, and one end of the limiting rod, which is close to the gear, is sleeved with a limiting spring.

Preferably, an adjusting groove is formed in the outer side of the first mounting plate, the adjusting groove is located in the second mounting plate, and the handle is connected with the gear through a transmission shaft.

Preferably, the sliding mechanism comprises a sliding block and a sliding groove, one side, close to the connecting plate, of the mounting plate is connected with the sliding block, the sliding groove is arranged on the outer side of the sliding block, and the sliding groove is located in the connecting plate.

Preferably, the fireproof mesh plate is made of calcium silicate.

Compared with the prior art, the utility model has the beneficial effects that: this fire prevention formula smoke evacuation valve:

1. be provided with safety cover and fire prevention otter board, when the conflagration appears, the executor can make the flabellum open, and the flue gas gets into from valve pipeline one end to through fire prevention otter board, discharge from valve pipeline afterwards, fire prevention otter board stops the spark and gets into in the valve pipeline, prevents that the spark from burning the flabellum, makes the flabellum receive the damage, and the latter half of valve pipeline is loudspeaker type, increases the area of discharging fume, has improved the fire resistance of valve pipeline and has discharged fume work efficiency.

2. Be provided with adjustment mechanism and control mechanism, when the staff installs smoke exhaust valve, can adjust the height of mounting panel one, adapt to the connecting tube installation of different high sizes, can pull the gag lever post to one side earlier, drive spacing spring compression, make the gag lever post break away from the gear, then rotate the handle, make the handle drive the gear and remove on the rack, and then drive the both ends of mounting panel one and reciprocate in the adjustment tank, and drive the slider and reciprocate in the spout, after moving to suitable position, loosen the gag lever post, make spacing spring rebound drive gag lever post block the gear, the limiting gear rotates, the staff of being convenient for adjusts the height of mounting panel one according to connecting tube's size fast, the installation effectiveness of smoke exhaust valve has been improved.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is a schematic view of a front view in cross section;

FIG. 3 is a schematic side view of the present utility model;

FIG. 4 is a schematic side view of a lifting mechanism according to the present utility model;

fig. 5 is an enlarged schematic view of the structure of the present utility model at a.

In the figure: 1. a valve conduit; 2. an actuator; 3. a protective cover; 4. a bolt; 5. a fan blade; 6. fireproof net plate; 7. a connecting pipe; 8. a connecting plate; 9. a second mounting plate; 10. an adjusting mechanism; 101. a limit spring; 102. a rack; 103. a gear; 104. an adjustment tank; 11. a first mounting plate; 12. a sliding mechanism; 121. a slide block; 122. a chute; 13. a control mechanism; 131. a handle; 132. and a limit rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a fire prevention formula smoke exhaust valve, includes valve pipeline 1 and adjustment mechanism 10, the top of valve pipeline 1 is equipped with executor 2, safety cover 3 is installed through bolt 4 in the outside of executor 2, the internally mounted of valve pipeline 1 has flabellum 5, one side of flabellum 5 is equipped with fire prevention otter board 6, the welding of the both ends of valve pipeline 1 has connecting plate 8, one side of connecting plate 8 is connected with mounting panel one 11 through slide mechanism 12, one side of mounting panel one 11 is equipped with mounting panel two 9, adjustment mechanism 10 sets up in the built-in groove of mounting panel one 11, connecting tube 7 is installed to one side of mounting panel one 11 and mounting panel two 9, one side of adjustment mechanism 10 is equipped with control mechanism 13, the material of fire prevention otter board 6 is the calcium silicate, the latter half shape of valve pipeline 1 is loudspeaker type.

According to the illustration shown in fig. 1-5, the control mechanism 13 comprises a handle 131 and a limiting rod 132, the handle 131 is arranged on one side of the mounting plate two 9, the limiting rod 132 is inserted into the other side of the mounting plate two 9, the adjusting mechanism 10 comprises a limiting spring 101, a rack 102, a gear 103 and an adjusting groove 104, the gear 103 is arranged in a built-in groove of the mounting plate one 11, the rack 102 is meshed with one side of the gear 103, the limiting spring 101 is sleeved at one end, close to the gear 103, of the limiting rod 132, the adjusting groove 104 is arranged on the outer side of the mounting plate one 11, the adjusting groove 104 is positioned in the mounting plate two 9, the handle 131 is connected with the gear 103 through a transmission shaft, the adjusting groove 104 is in sliding connection with the mounting plate one 11, the sliding mechanism 12 comprises a sliding block 121 and a sliding groove 122, one side, close to the connecting plate one side, of the mounting plate one 11 is connected with the sliding block 121, the sliding groove 122 is arranged on the outer side of the sliding block 121, and the sliding groove 122 is positioned in the connecting plate 8.

In specific implementation, the limiting rod 132 can be pulled to one side to drive the limiting spring 101 to compress, so that the limiting rod 132 is separated from the gear 103, then the handle 131 is rotated, so that the handle 131 drives the gear 103 to move on the rack 102, further drives the two ends of the first mounting plate 11 to move up and down in the adjusting groove 104, and drives the sliding block 121 to move up and down in the sliding groove 122, after moving to a proper position, the limiting rod 132 is loosened, so that the limiting spring 101 rebounds to drive the limiting rod 132 to clamp the gear 103, the gear 103 is limited to rotate, a worker can conveniently and rapidly adjust the height of the first mounting plate 11 according to the size of the connecting pipeline 7, and the mounting efficiency of the smoke exhaust valve is improved.

Working principle: when the fireproof smoke exhaust valve is used, firstly, the height of the first mounting plate 11 is adjusted through the adjusting mechanism 10, the sliding mechanism 12 and the control mechanism 13, then the smoke exhaust valve is mounted on the connecting pipeline 7, when smoke exhaust work is needed, the actuator 2 senses to automatically open the electromagnetic valve, the fan blade 5 is opened, smoke flows into the valve pipeline 1 and is discharged out of a building through the connecting pipeline 7, the purposes of controlling fire spreading and guaranteeing personnel safety are achieved, the fireproof performance and smoke exhaust efficiency of the smoke exhaust pipeline are improved through the fireproof screen 6 and the shape of the valve pipeline 1, and the content which is not described in detail in the specification belongs to the prior art known to the expert in the field.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. The utility model provides a fire prevention formula smoke evacuation valve, includes valve pipeline (1) and adjustment mechanism (10), its characterized in that: the utility model discloses a valve pipeline, including valve pipeline (1), connecting plate and adjusting mechanism, valve pipeline (1) is equipped with top of valve pipeline (1) is equipped with executor (2), safety cover (3) are installed through bolt (4) in the outside of executor (2), internally mounted of valve pipeline (1) has flabellum (5), one side of flabellum (5) is equipped with fire prevention otter board (6), the both ends welding of valve pipeline (1) has connecting plate (8), one side of connecting plate (8) is connected with mounting plate one (11) through slide mechanism (12), one side of mounting plate one (11) is equipped with mounting plate two (9), adjustment mechanism (10) set up in the built-in groove of mounting plate one (11), connecting pipe (7) are installed to one side of mounting plate one (11) and mounting plate two (9), one side of adjustment mechanism (10) is equipped with control mechanism (13).

2. A fire-resistant smoke evacuation valve as defined in claim 1, wherein: the control mechanism (13) comprises a handle (131) and a limiting rod (132), wherein the handle (131) is arranged on one side of the second mounting plate (9), and the limiting rod (132) is inserted into the other side of the second mounting plate (9).

3. A fire-resistant smoke evacuation valve as claimed in claim 2 wherein: the adjusting mechanism (10) comprises a limiting spring (101), a rack (102), a gear (103) and an adjusting groove (104), and the gear (103) is arranged in the built-in groove of the first mounting plate (11).

4. A fire-resistant smoke evacuation valve as claimed in claim 3 wherein: one side of the gear (103) is meshed with a rack (102), and one end, close to the gear (103), of the limiting rod (132) is sleeved with a limiting spring (101).

5. The fire resistant smoke evacuation valve of claim 4, wherein: an adjusting groove (104) is formed in the outer side of the first mounting plate (11), the adjusting groove (104) is located in the second mounting plate (9), and the handle (131) is connected with the gear (103) through a transmission shaft.

6. A fire-resistant smoke evacuation valve as defined in claim 1, wherein: the sliding mechanism (12) comprises a sliding block (121) and a sliding groove (122), one side, close to the connecting plate (8), of the first mounting plate (11) is connected with the sliding block (121), the sliding groove (122) is arranged on the outer side of the sliding block (121), and the sliding groove (122) is located in the connecting plate (8).

7. A fire-resistant smoke evacuation valve as defined in claim 1, wherein: the fireproof net plate (6) is made of calcium silicate.