CN216200931U

CN216200931U - Safety smoke exhaust valve

Info

Publication number: CN216200931U
Application number: CN202122704191.8U
Authority: CN
Inventors: 梁文锋; 干宏伟
Original assignee: Shaoxing Shangyu Yucai Fan Manufacturing Co ltd
Current assignee: Shaoxing Shangyu Yucai Fan Manufacturing Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-04-05
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses a safety smoke exhaust valve, which relates to the field of smoke exhaust valves and aims to solve the problem that a smoke baffle plate cannot rotate due to the fact that a rotating shaft is blocked due to long time and the like, and the technical scheme is as follows: the utility model provides a safe type smoke damper, includes frame, fixed connection the controller on the frame outer wall, and pivot one and a plurality of fender cigarette board on the controller are connected in the transmission, the coaxial rotation of pivot one is connected with pivot two, the one end of pivot two and the ascending one end fixed connection of length direction of keeping off the cigarette board, the easy piece that melts of fixedly connected with between pivot one and the pivot two, the melting point of easy piece that melts is between 240 ℃ to 280 ℃. The safety smoke exhaust valve can still be turned to a closed state when a fire disaster occurs under the condition that the rotating shaft is blocked, and plays a role in inhibiting the expansion of the fire disaster.

Description

Safety smoke exhaust valve

Technical Field

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

Background

The smoke exhaust valve is installed at the end part of each branch pipe of the mechanical smoke exhaust system to play a smoke exhaust effect, the smoke exhaust valve is normally opened or normally closed, part of the smoke exhaust valves can play a fireproof role, when a fire disaster is large, the smoke exhaust valve needs to be closed to prevent the fire disaster from further expanding, the smoke exhaust valve is controlled by the controller to control the rotation of the smoke baffle plate, the smoke exhaust valve can be remotely controlled, and the smoke exhaust valve can also be controlled by the push rod beside the smoke exhaust valve.

However, the rotating shaft fixedly connected with the smoke baffle plate may be blocked due to overlong time and other reasons, and at the moment, no matter the rotating shaft is remotely controlled or the push rod beside the smoke exhaust valve is pushed, the smoke exhaust valve cannot be rotated, so that the fire hazard is continuously expanded, and serious consequences are caused.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide the safety smoke exhaust valve, when a rotating shaft is clamped in a controller, a smoke baffle plate can also be turned to a closed state under the condition of high temperature.

The technical purpose of the utility model is realized by the following technical scheme: the utility model provides a safe type smoke damper, includes frame, the controller of fixed connection on the outer wall of frame, and the transmission is connected pivot one and a plurality of cigarette board that keep off on the controller, its characterized in that: the coaxial rotation of pivot one is connected with pivot two, the one end of pivot two and the ascending one end fixed connection of length direction of cigarette board, the easy melting block of fixedly connected with between pivot one and the pivot two, the melting point of easy melting block is between 240 ℃ to 280 ℃.

Through adopting above-mentioned technical scheme, the rotation of controller control pivot one, easy melting block can restrict pivot one and two emergence relative rotations of pivot, thereby make the controller can control the rotation that keeps off the cigarette board, keep off the cigarette board and be in normally open state, block unable emergence rotation and when the conflagration breaing out when pivot one, the cigarette board that keeps off of open state can dredge smog, but when the conflagration further enlarges, easy melting block can melt, there is not the hindrance of easy melting block between pivot one and the pivot two, pivot two can rotate to closed state, prevent the further diffusion of conflagration.

The utility model is further configured to: the second rotating shaft is cylindrical, the first rotating shaft is embedded in the second rotating shaft, the first rotating shaft and the second rotating shaft are respectively provided with a first through groove and a second through groove, the first through groove is communicated with the second through groove, and the easily-melted block is embedded in the first through groove and the second through groove.

Through adopting above-mentioned technical scheme, pivot one is embedded in pivot two, can take place to rotate, but easily melt the piece and inlay in leading to groove one and can hinder pivot one and two emergence relative sliding in leading to groove two, but when the conflagration is great, high temperature can make easily melt the piece and melt, and the fender cigarette board will take place to rotate this moment.

The utility model is further configured to: the smoke baffle plate is always subjected to acting force of turning to a closed state.

Through adopting above-mentioned technical scheme, when easy melt block melts, the effort that keeps off the cigarette board and receive can make the cigarette board of keeping off take place to rotate.

The utility model is further configured to: a spring is fixedly connected between one side of the smoke baffle in the width direction and the outer frame, and the smoke baffle is always subjected to the acting force of the spring to enable the smoke baffle to rotate to the horizontal state.

By adopting the technical scheme, the spring is in a stretching state and has elastic potential energy, and the elastic potential energy can be converted into kinetic energy to enable the smoke baffle to rotate so as to enable the smoke baffle to rotate towards a horizontal state.

The utility model is further configured to: the fixing strips are fixedly connected between the same ends of the plurality of smoke baffles.

Through adopting above-mentioned technical scheme, fixed strip order several blocks of keep off the cigarette board and take place synchronous rotation, and the rotation through one keeps off the cigarette board drives other and keeps off the cigarette board and take place to rotate.

The utility model is further configured to: the inner wall of the outer frame is fixedly connected with a baffle plate, and the distance difference between the baffle plate and the two ends of the outer frame in the thickness direction is the same as the thickness of the smoke baffle plate.

Through adopting above-mentioned technical scheme, the separation blade is fixed on the inner wall of frame, and when spring pulling cigarette board rotated to the horizontality, the separation blade can prevent cigarette board continuation emergence rotation, made cigarette board keep the closed condition.

The utility model is further configured to: the fusible block is made of PA 66.

By adopting the technical scheme, the melting point of the PA66 is about 260 ℃, and the PA66 has the characteristics required by an easily-meltable block.

In conclusion, the utility model has the following beneficial effects: under the normal condition, keep off the cigarette board and be in normally open state, when two pivot one of conflagration breaing out block, high temperature can make easy melting piece take place to melt, keeps off the cigarette board and can take place to rotate under the effect of spring until keeping off the cigarette board closed, prevents the further expansion of conflagration.

Drawings

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

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an exploded view of the first and second shafts.

In the figure: 1. an outer frame; 2. a controller; 3. a first rotating shaft; 4. a second rotating shaft; 5. a smoke baffle; 6. a first through groove; 7. a second through groove; 8. a spring; 9. a baffle plate; 10. and (4) fixing the strip.

Detailed Description

The utility model is described in detail below with reference to the figures and examples.

Example (b):

the utility model provides a safe type smoke damper, as shown in figure 1, includes frame 1, controller 2, pivot one 3, pivot two 4 and a plurality of fender cigarette board 5, and controller 2 fixed connection is on the outer wall of frame 1, and pivot one 3 transmission is connected on controller 2, and pivot one 3 is connected with pivot two 4 coaxial rotation, keeps off the one end fixed connection in the one end of pivot two 4 of cigarette board 5 length direction.

The second rotating shaft 4 is cylindrical, the first rotating shaft 3 is embedded in the second rotating shaft 4, the first rotating shaft 3 and the second rotating shaft 4 are respectively provided with a first through groove 6 and a second through groove 7 which are communicated with each other, the first through groove 6 and the second through groove 7 are embedded with easily-melted blocks, and the easily-melted blocks are made of PA66 materials.

Under the normal condition, keep off cigarette board 5 and be in normally open state, easy melting block can restrict two 4 of pivots and take place to rotate for keep off cigarette board 5 also can't rotate, when taking place great conflagration and pivot one 3 and block, the melting point of easy melting block is about 260 ℃, the high temperature of conflagration makes easy melting block melt, two 4 of pivots just can take place to rotate for pivot one 3 after melting, make and keep off cigarette board 5 can not rotate to the closure state because of the card of pivot one 3 is dead.

Fixedly connected with spring 8 between one side on the width direction of cigarette board 5 and frame 1, fixedly connected with fixed strip 10 between the same one end of all cigarette boards 5, fixedly connected with separation blade 9 on the inner wall of frame 1, separation blade 9 and the cigarette board 5 laminating that is in the closed condition.

When the conflagration takes place, easily the melt piece melts, under spring 8's effort, spring 8 can stimulate and keep off cigarette board 5 and rotate, because the fixed strip 10 will keep off cigarette board 5 and all connect, all the other keep off cigarette board 5 can take place synchronous rotation with the fender cigarette board 5 by the pulling of spring 8, until the closure state, when separation blade 9 is in the closure state, spring 8 is still in tensile state, separation blade 9 can prevent to keep off cigarette board 5 and continue to rotate when the closure state, spring 8 can make to keep off cigarette board 5 and the laminating of separation blade 9 to the pulling force that keeps off cigarette board 5, the leakproofness that keeps off cigarette board 5 has been increased, also make to keep off cigarette board 5 difficult emergence when the closure state and rotate.

When the conflagration takes place, can be through 2 closed with keeping off the cigarette board 5 of controller, but when pivot 3 blocks, can't rotate through controller 2 and keep off cigarette board 5, at this moment, the high temperature that the conflagration produced can make easily melt the piece and melt, and spring 8 produces to closed state pivoted effort to keeping off cigarette board 5, and separation blade 9 can prevent to keep off cigarette board 5 and continue to rotate when closed state.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. The utility model provides a safe type smoke damper, includes frame (1), controller (2) of fixed connection on the outer wall of frame (1), pivot (3) and a plurality of cigarette board (5) that the transmission is connected on controller (2), its characterized in that: the coaxial rotation of pivot one (3) is connected with pivot two (4), the one end of pivot two (4) and the ascending one end fixed connection of length direction of keeping off cigarette board (5), fixedly connected with easily melts the piece between pivot one (3) and pivot two (4), the melting point of easily melting the piece is between 240 ℃ to 280 ℃.

2. The safety smoke exhaust valve according to claim 1, wherein: the rotating shaft II (4) is cylindrical, the rotating shaft I (3) is embedded in the rotating shaft II (4), the rotating shaft I (3) and the rotating shaft II (4) are respectively provided with a first through groove (6) and a second through groove (7), the first through groove (6) is communicated with the second through groove (7), and the easily-melted block is embedded in the first through groove (6) and the second through groove (7).

3. The safety smoke exhaust valve according to claim 1, wherein: the smoke baffle (5) is always subjected to acting force of turning to a closed state.

4. A safety smoke exhaust valve according to claim 3, wherein: and a spring (8) is fixedly connected between one side of the smoke baffle (5) in the width direction and the outer frame (1), and the smoke baffle (5) is always subjected to the acting force of the spring (8) to rotate to the horizontal state.

5. The safety smoke exhaust valve according to claim 1, wherein: a fixed strip (10) is fixedly connected between the same ends of the plurality of smoke baffles (5).

6. The safety smoke exhaust valve according to claim 1, wherein: the inner wall of the outer frame (1) is fixedly connected with a baffle plate (9), and the distance difference between the baffle plate (9) and the two ends of the outer frame (1) in the thickness direction is the same as the thickness of the cigarette blocking plate (5).

7. The safety smoke exhaust valve according to claim 1, wherein: the easily-melting block is made of nylon 66.