CN210890265U

CN210890265U - Smoke-discharging fireproof valve structure

Info

Publication number: CN210890265U
Application number: CN201921654116.1U
Authority: CN
Inventors: 陈仲毅; 袁伟博; 赵茁轶; 郭家栋; 张万利
Original assignee: Shanxi Yisheng Fire Engineering Co ltd
Current assignee: Shanxi Yisheng Fire Engineering Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-06-30
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a fire prevention valve structure of discharging fume relates to fire prevention valve technical field, specifically is a fire prevention valve structure of discharging fume, which comprises a valve body, the internally mounted of valve body has the blade axle, the part fixedly connected with visor of valve body is stretched out to the one end of blade axle, the inside fixedly connected with spring support pipe of visor, spring support pipe's inside passes through clockwork spring fixed connection with the surface of connecting pipe. This fire prevention valve structure discharges fume, setting through clockwork spring, make this fire prevention valve structure discharges fume possess blade axle and rotate simple and convenient effect, through temperature fuse, clockwork spring and twist grip's cooperation sets up, can be at temperature fuse back under the high temperature effect at the in-process of using, clockwork spring can drive the blade axle and rotate, make the valve body seal, later rotatable twist grip resets, thereby the effect of reducing device structure complexity has been played, the device connecting piece has been reached and has been reduced, make the device use more reliable purpose.

Description

Smoke-discharging fireproof valve structure

Technical Field

The utility model relates to a fire-proof equipment technical field specifically is a fire prevention valve structure discharges fume.

Background

The smoke-discharging fire-resisting valve is installed on a pipeline of a mechanical smoke-discharging system, is in an open state at ordinary times, is closed when the temperature of smoke in a smoke-discharging pipeline reaches 280 ℃, meets the requirements of smoke leakage quantity and fire resistance integrity within a certain time, plays a role in smoke insulation and fire resistance, and in some high-rise buildings, when a fire disaster occurs, the smoke-discharging fire-resisting valve produced on the market at present can extrude an outer frame due to expansion caused by heating, so that leaf sheets are extruded and deformed, the effects of sealing smoke and open fire cannot be generated, the fire fighting difficulty of firemen is enhanced, the escape of people is influenced, although some smoke-discharging fire-resisting valves on the market cannot deform when being heated and expand, the sealing performance of the smoke-discharging fire-resisting valve after expansion is poor, and therefore, the smoke-separating effect of most smoke-discharging fire resisting valves is poor. In order to solve the defects existing in the current market, the technology of improving the smoke exhaust valve device is urgently needed, the fire fighting operation can be better carried out, and the development of the smoke exhaust fire prevention valve industry is promoted.

The utility model discloses a fire prevention valve discharges fume that discloses in chinese utility model patent application publication CN205226519U, though, the device has played the effect of the fire prevention of discharging fume, and the connecting rod sets up in the outside of valve body, avoids smog or flame to burn out the connecting rod and causes the connecting rod inefficacy, and the fire prevention blade sets up in blade axle or main pivot, has improved the intensity of fire prevention blade, warp when avoiding the fire prevention blade to be strikeed by the heat wave. However, the smoke-discharging fire-proof valve has the defects of complex valve component structure and unreliable component connection part, and the device has insufficient sealing performance and smoke-isolating effect.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a fire prevention valve structure discharges fume has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a fire prevention valve structure discharges fume, includes the valve body, the internally mounted of valve body has the blade axle, the partial fixedly connected with visor of valve body is stretched out to the one end of blade axle, the inside fixedly connected with spring support tube of visor, spring support tube's inside passes through clockwork spring fixed connection with the surface of connecting pipe, the inside fixedly connected with blade axle of connecting pipe, the outside fixed connection of apron and blade is passed through to the outside of blade axle, high temperature resistant rubber is all installed to the upper and lower both sides of blade, the inside fixedly connected with intermediate lamella of valve body, the upper surface and the equal fixedly connected with stopper of lower surface of intermediate lamella.

Optionally, the inner top wall and the inner bottom wall of the valve body are fixedly connected with limiting blocks, and inserting corners are arranged at four corners of the valve body.

Optionally, the part of the other end of the blade shaft extending out of the valve body is fixedly connected with two blocking blocks, and the number of the blade shafts is two.

Optionally, a temperature fuse is inserted into one side of the valve body, and the temperature fuse is inserted into the protective cover.

Optionally, a rotating handle is installed on one side of the protective cover, and the rotating handle is fixedly connected with one end of the blade shaft.

Optionally, the blade shaft is rotatably connected to the inside of the protective cover through a bearing, and the blade shaft is rotatably connected to the valve body.

(III) advantageous effects

The utility model provides a fire prevention valve structure discharges fume possesses following beneficial effect:

1. this fire prevention valve structure discharges fume, setting through clockwork spring, make this fire prevention valve structure discharges fume possess blade axle and rotate simple and convenient effect, through temperature fuse, clockwork spring and twist grip's cooperation sets up, can be at temperature fuse back under the high temperature effect at the in-process of using, clockwork spring can drive the blade axle and rotate, make the valve body seal, later rotatable twist grip resets, thereby the effect of reducing device structure complexity has been played, the device connecting piece has been reached and has been reduced, make the device use more reliable purpose.

2. This fire prevention valve structure of discharging fume, through the setting of stopper, make this fire prevention valve structure of discharging fume possess and use simpler and easier effect, through the cooperation setting of high temperature resistant rubber and stopper, can let the blade axle in the in-process of using in time stop when rotating the target position, high temperature resistant rubber can make and be connected inseparabler between blade and valve body to the effect of increasing the device leakproofness has been played, has reached the better purpose of messenger's device smoke insulation effect.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1;

fig. 4 is a schematic view of the internal structure of the spring support tube of the present invention.

In the figure: 1. a valve body; 2. a blade shaft; 3. a protective cover; 4. a spring support tube; 5. a clockwork spring; 6. a blade; 7. high temperature resistant rubber; 8. a middle plate; 9. a limiting block; 10. inserting corners; 11. a blocking block; 12. a temperature fuse; 13. the handle is rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a smoke-discharging fireproof valve structure comprises a valve body 1, wherein limiting blocks 9 are fixedly connected to the inner top wall and the inner bottom wall of the valve body 1, inserting corners 10 are arranged at four corners of the valve body 1, blade shafts 2 are installed inside the valve body 1, a temperature fuse 12 is inserted into one side of the valve body 1, the temperature fuse 12 is inserted into a protective cover 3, blocking blocks 11 are fixedly connected to the parts, extending out of the valve body 1, of the other ends of the blade shafts 2, the two blade shafts 2 are arranged, the blade shafts 2 are rotatably connected inside the protective cover 3 through bearings, the blade shafts 2 are rotatably connected with the valve body 1, the parts, extending out of the valve body 1, of one ends of the blade shafts 2 are fixedly connected with the protective cover 3, a rotating handle 13 is installed on one side of the protective cover 3, the rotating handle 13 is fixedly connected with one ends of the blade shafts 2, and the, through the arrangement of the clockwork spring 5, the smoke discharging fireproof valve structure has the effect that the blade shaft 2 can rotate simply and conveniently, through the matching arrangement of the temperature fuse 12, the clockwork spring 5 and the rotating handle 13, after the temperature fuse 12 is fused under the high temperature effect in the using process, the clockwork spring 5 can drive the blade shaft 2 to rotate, the valve body 1 is sealed, and then the rotating handle 13 can be rotated to reset, so that the effect of reducing the structural complexity of the device is achieved, the purpose of reducing the connecting pieces of the device and ensuring the device to be more reliable in use is achieved, the inner part of the protective cover 3 is fixedly connected with the spring support tube 4, the inner part of the spring support tube 4 is fixedly connected with the outer surface of the connecting tube through the clockwork spring 5, the inner part of the connecting tube is fixedly connected with the blade shaft 2, and the outer, high temperature resistant rubber 7 is all installed to the upper and lower both sides of blade 6, the inside fixedly connected with intermediate lamella 8 of valve body 1, the upper surface and the equal fixedly connected with stopper 9 of lower surface of intermediate lamella 8, this fire prevention valve structure of discharging fume, through the setting of stopper 9, make this fire prevention valve structure of discharging fume possess and use simpler and easier effect, set up through the cooperation of high temperature resistant rubber 7 and stopper 9, in-process using can let blade axle 2 in time stop when rotating the target position, high temperature resistant rubber 7 can make blade 6 and valve body 1 within a definite time be connected inseparabler, thereby the effect of increasing the device leakproofness has been played, the better purpose of the device smoke insulation effect has been reached.

During the use, the utility model relates to a fire prevention valve structure discharges fume, valve body 1 are the state of opening at ordinary times, and when flue gas temperature reached 280 degrees in the exhaust pipe, temperature fuse 12 fused, blade 6 did not have the fender this moment, and blade axle 2 drives blade 6 and rotates under the effect of clockwork spring 5 of previous good power, and blade 6 stops when rotating stopper 9 position, this moment the utility model discloses play the effect of separating the cigarette fire prevention, later accessible twist grip 13 gives clockwork spring 5 upper power again, makes the mechanism reset.

The utility model discloses a theory of operation and beneficial effect: the smoke-discharging fireproof valve structure has the advantages that the smoke-discharging fireproof valve structure has the effect of simple and convenient rotation of the blade shaft 2 through the arrangement of the clockwork spring 5, the temperature fuse 12, the clockwork spring 5 and the rotating handle 13 are matched, the clockwork spring 5 can drive the blade shaft 2 to rotate after the temperature fuse 12 is fused under the action of high temperature in the use process, the valve body 1 is sealed, then the rotating handle 13 can be rotated to reset, the complexity of the structure of the device is reduced, the purpose of reducing the connecting pieces of the device and ensuring the use of the device to be more reliable is achieved, the smoke-discharging fireproof valve structure has the effect of simpler use through the arrangement of the limiting block 9, the blade shaft 2 can be stopped in time when rotating to a target position in the use process through the matching arrangement of the high-temperature resistant rubber 7 and the limiting block 9, the high-temperature resistant rubber 7 can ensure that the blade 6 is connected with the valve body, thereby playing the role of increasing the sealing performance of the device and achieving the purpose of enabling the device to have better smoke insulation effect.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a fire prevention valve structure discharges fume, includes valve body (1), its characterized in that: the internally mounted of valve body (1) has blade axle (2), the partial fixedly connected with visor (3) of valve body (1) is stretched out to the one end of blade axle (2), the inside fixedly connected with spring support tube (4) of visor (3), the outside fixed connection of clockwork spring (5) and connecting pipe is passed through to the inside of spring support tube (4), the inside fixedly connected with blade axle (2) of connecting pipe, the outside fixed connection of apron and blade (6) is passed through to the outside of blade axle (2), high temperature resistant rubber (7) are all installed to the upper and lower both sides of blade (6), the inside fixedly connected with intermediate lamella (8) of valve body (1), the upper surface and the equal fixedly connected with stopper (9) of lower surface of intermediate lamella (8).

2. A smoke evacuation fire damper structure as claimed in claim 1, wherein: the equal fixedly connected with stopper (9) of interior roof and interior diapire of valve body (1), the four corners of valve body (1) is provided with inserted angle (10).

3. A smoke evacuation fire damper structure as claimed in claim 1, wherein: the other end of the blade shaft (2) extends out of the part of the valve body (1) and is fixedly connected with two stop blocks (11), and the number of the blade shafts (2) is two.

4. A smoke evacuation fire damper structure as claimed in claim 1, wherein: one side of the valve body (1) is inserted with a temperature fuse (12), and the temperature fuse (12) is inserted in the protective cover (3).

5. A smoke evacuation fire damper structure as claimed in claim 1, wherein: rotating handle (13) is installed to one side of visor (3), rotating handle (13) and the one end fixed connection of blade axle (2).

6. A smoke evacuation fire damper structure as claimed in claim 1, wherein: the blade shaft (2) is rotatably connected to the inside of the protective cover (3) through a bearing, and the blade shaft (2) is rotatably connected with the valve body (1).