CN212584352U - Adjustable non-return smoke-proof fire-proof valve - Google Patents
Adjustable non-return smoke-proof fire-proof valve Download PDFInfo
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- CN212584352U CN212584352U CN202021365365.1U CN202021365365U CN212584352U CN 212584352 U CN212584352 U CN 212584352U CN 202021365365 U CN202021365365 U CN 202021365365U CN 212584352 U CN212584352 U CN 212584352U
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Abstract
The utility model discloses a non return smoke protection fire prevention valve with adjustable, including the fire prevention valve box body, first solid fixed ring is installed on the inside top of fire prevention valve box body, and first solid fixed ring is connected with spring assembly through the drag hook, and spring assembly's one end is passed through the drag hook and is connected with the solid fixed ring of closing plate surface mounting's second, and the closing plate passes the second fixed orifices through the axis of rotation and is connected with the fire prevention valve box body, fire prevention valve box body internal surface passes through the fixed axle and is connected with the temperature sensing piece, and the temperature sensing piece is connected with the fixed cardboard of installing at the closing plate side surface through the loose axle, the inside of fire prevention valve box body comprises fire protection coating, high temperature resistant alloy. The utility model relates to a simple fire prevention valve, the state for normally opening at ordinary times, when the temperature exceeded 70 ℃, the temperature sensing piece can melt automatically, and the extension spring is drawing the closing plate and is closing the closing plate to avoid continuation of intensity of a fire to stretch, carry out multiple fire prevention flame retardant formula design to fire prevention valve box inside simultaneously, play good protection effect.
Description
Technical Field
The utility model relates to a fire prevention valve technical field specifically is a non return smoke protection fire prevention valve with adjustable.
Background
The fire damper is a valve type closed by the temperature control of memory alloy and the action of gravity and a spring mechanism. The novel product also utilizes the memory alloy to generate deformation to close the valve. It has the following functions: when the temperature of the flue gas reaches 280 ℃, people are basically evacuated, the actual meaning of the flue gas discharge is not realized, and the valve is automatically closed when the fire is brought in the flue gas, so that the fire is prevented from spreading. The fire-proof valve is a normally closed valve, which is opened by a control center through 24V direct current or manually opened, and is automatically closed at 280 ℃ and manually reset. The smoke exhaust port of the system can also be a normally closed fireproof smoke exhaust port, and a smoke exhaust fireproof valve on a branch pipe is omitted. In case of fire, the tuyere is opened by a control center through 24V direct current or manually opened, and is automatically closed when the smoke temperature reaches 280 ℃, and the reset is also manually performed. The inlet of the smoke exhaust fan room is also provided with a smoke exhaust fire prevention valve to prevent fire from spreading to the layer where the fan room is located.
The current non-return smoke-proof fire valve does not have convenient regulation effect, and the fire valve box body is easily burnt out by high temperature, so a novel adjustable non-return smoke-proof fire valve is urgently needed to be developed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a non return smoke protection fire prevention valve with adjustable to solve present non return smoke protection fire prevention valve that proposes in the above-mentioned background art and do not possess convenient regulation effect, the easy problem of burning out by high temperature of fire prevention valve box body simultaneously.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a non return smoke protection fire prevention valve with adjustable, includes the fire prevention valve box, first solid fixed ring is installed on the inside top of fire prevention valve box, and first solid fixed ring is connected with spring assembly through the drag hook, and spring assembly's one end is connected through the drag hook and the solid fixed ring of closing plate surface mounting's second, the side surface of fire prevention valve box is provided with first fixed orifices, and the side surface of closing plate is provided with the second fixed orifices, and the closing plate passes the second fixed orifices through the rotating shaft and is connected with the fire prevention valve box, fire prevention valve box internal surface is connected with the temperature sensing piece through the fixed axle, and the temperature sensing piece is connected with the fixed cardboard of installing at the closing plate side surface through the loose axle, the inside of fire prevention valve box comprises fire protection coating, high.
Preferably, a fireproof alloy frame is embedded at the front end of the fire-proof valve box body.
Preferably, the fixing clamping plate and the sealing plate are fixed through screws.
Preferably, a sealing rubber strip is installed at the top end inside the fire damper box body and is embedded with the inner surface wall of the sealing plate.
Preferably, the fireproof coating is positioned on the inner surface of the high-temperature-resistant alloy plate.
Preferably, the flame-retardant sleeve wraps the outer surface of the high-temperature-resistant alloy plate.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the fire prevention valve box comprises a fire prevention valve box body, a spring assembly, a fixed shaft, a temperature sensing piece, a spring assembly and a spring assembly, wherein the top end inside the fire prevention valve box body is provided with a first fixed ring, the first fixed ring is connected with the spring assembly through a draw hook, one end of the spring assembly is connected with a second fixed ring arranged on the surface of a sealing plate through the draw hook, the inner surface of the fire prevention valve box body is connected with the temperature sensing piece through the fixed shaft, the temperature sensing piece is connected with a fixed clamping plate arranged on the side surface of the sealing plate through a movable shaft, the temperature sensing piece is normally open at ordinary times, when the;
(2) the fire-proof valve box body is internally composed of a fire-proof coating, a high-temperature-resistant alloy plate and a flame-retardant sleeve, wherein the fire-proof coating can reduce the surface flammability of a coated material and retard the rapid spread of fire so as to improve the fire endurance of the coated material.
Drawings
FIG. 1 is a schematic structural view of a fire-proof valve box body of the present invention;
FIG. 2 is a schematic view of the exploded structure of the present invention;
fig. 3 is a schematic side view of the present invention;
fig. 4 is the structure schematic diagram of the internal component of the fire-proof valve box of the utility model.
In the figure: 1. sealing rubber strips; 2. a refractory alloy frame; 3. a first retaining ring; 4. a fire-proof valve box body; 5. a spring assembly; 6. a sealing plate; 7. a first fixing hole; 8. a rotating shaft; 9. a temperature-sensitive sheet; 10. a movable shaft; 11. fixing the clamping plate; 12. a second retaining ring; 13. pulling a hook; 14. a second fixing hole; 15. a flame-retardant sleeve; 16. a high temperature resistant alloy plate; 17. and (3) a fireproof coating.
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. 1-4, the present invention provides an embodiment: the utility model provides a non return smoke protection fire prevention valve with adjustable, including fire prevention valve box 4, first solid fixed ring 3 is installed on the inside top of fire prevention valve box 4, first solid fixed ring 3 is connected with spring assembly 5 through drag hook 13, the one end of spring assembly 5 is connected with the solid fixed ring 12 of the solid fixed ring of 6 surface mounting's of closing plate through drag hook 13, the side surface of fire prevention valve box 4 is provided with first fixed orifices 7, the side surface of closing plate 6 is provided with second fixed orifices 14, closing plate 6 passes second fixed orifices 14 through axis of rotation 8 and is connected with fire prevention valve box 4, 4 internal surfaces of fire prevention valve box are connected with temperature sensing piece 9 through the fixed axle, temperature sensing piece 9 is connected with the fixed cardboard 11 of installing at 6 side surfaces of closing plate through loose axle 10, the inside of fire prevention valve box 4 is by flame retardant coating 17, high temperature resistant alloy board 16.
Furthermore, the front end of the fire-proof valve box body 4 is embedded with a refractory alloy frame 2.
Further, the fixing clip plate 11 and the sealing plate 6 are fixed by screws.
Furthermore, a sealing rubber strip 1 is arranged at the top end inside the fire-proof valve box body 4, and the sealing rubber strip 1 is embedded with the inner surface wall of the sealing plate 6.
Further, a fireproof coating 17 is provided on the inner surface of the refractory alloy plate 16.
Further, the flame retardant sleeve 15 is wrapped on the outer surface of the high temperature resistant alloy plate 16.
The working principle is as follows: when in use, the first fixing ring 3 is arranged at the top end inside the fire-proof valve box body 4, the first fixing ring 3 is connected with the spring assembly 5 through the draw hook 13, one end of the spring assembly 5 is connected with the second fixing ring 12 arranged on the surface of the sealing plate 6 through the draw hook 13, the inner surface of the fire-proof valve box body 4 is connected with the temperature sensing piece 9 through the fixed shaft, the temperature sensing piece 9 is connected with the fixed clamping plate 11 arranged on the side surface of the sealing plate 6 through the movable shaft 10, when the temperature exceeds 70 ℃, the temperature sensing piece 9 can be automatically melted, the spring assembly 5 pulls the sealing plate 6 and closes the sealing plate 6, thereby avoiding the continuous spread of fire, being simple and convenient to operate and having low installation cost, the fire-proof coating 17 is formed by the fire-proof coating 17, the high-temperature alloy plate 16 and the flame-retardant sleeve 15, the fire-proof coating 17 can reduce the flammability, the special coating is used for improving the fire endurance of a coated material, the high-temperature-resistant alloy plate 16 has good high-temperature resistance and poor heat conductivity, the flame-retardant sleeve 15 is made of a non-combustible environment-friendly material, and a good protection effect is achieved by performing multiple fireproof and flame-retardant design on the interior of the fire-proof valve box body 4.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. An adjustable non-return smoke-proof fire damper comprises a fire damper box body (4) and is characterized in that a first fixing ring (3) is mounted at the top end inside the fire damper box body (4), the first fixing ring (3) is connected with a spring assembly (5) through a draw hook (13), one end of the spring assembly (5) is connected with a second fixing ring (12) mounted on the surface of a sealing plate (6) through the draw hook (13), a first fixing hole (7) is formed in the side surface of the fire damper box body (4), a second fixing hole (14) is formed in the side surface of the sealing plate (6), the sealing plate (6) penetrates through the second fixing hole (14) through a rotating shaft (8) to be connected with the fire damper box body (4), the inner surface of the fire damper box body (4) is connected with a temperature sensing piece (9) through a fixing shaft, the temperature sensing piece (9) is connected with a fixing clamping plate (11) mounted on the side surface of the sealing plate (6), the interior of the fire-proof valve box body (4) consists of a fire-proof coating (17), a high-temperature-resistant alloy plate (16) and a flame-retardant sleeve (15).
2. The adjustable check, smoke and fire damper as claimed in claim 1, wherein: the front end of the fire-proof valve box body (4) is inlaid with a refractory alloy frame (2).
3. The adjustable check, smoke and fire damper as claimed in claim 1, wherein: the fixed clamping plate (11) and the sealing plate (6) are fixed through screws.
4. The adjustable check, smoke and fire damper as claimed in claim 1, wherein: and a sealing rubber strip (1) is arranged at the top end inside the fire-proof valve box body (4), and the sealing rubber strip (1) is embedded with the inner surface wall of the sealing plate (6).
5. The adjustable check, smoke and fire damper as claimed in claim 1, wherein: the fireproof coating (17) is positioned on the inner surface of the high-temperature-resistant alloy plate (16).
6. The adjustable check, smoke and fire damper as claimed in claim 1, wherein: the flame-retardant sleeve (15) is wrapped on the outer surface of the high-temperature-resistant alloy plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021365365.1U CN212584352U (en) | 2020-07-13 | 2020-07-13 | Adjustable non-return smoke-proof fire-proof valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021365365.1U CN212584352U (en) | 2020-07-13 | 2020-07-13 | Adjustable non-return smoke-proof fire-proof valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212584352U true CN212584352U (en) | 2021-02-23 |
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ID=74657071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021365365.1U Active CN212584352U (en) | 2020-07-13 | 2020-07-13 | Adjustable non-return smoke-proof fire-proof valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212584352U (en) |
-
2020
- 2020-07-13 CN CN202021365365.1U patent/CN212584352U/en active Active
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