CN212584382U - Valve sealing structure of fire damper - Google Patents
Valve sealing structure of fire damper Download PDFInfo
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- CN212584382U CN212584382U CN202021364527.XU CN202021364527U CN212584382U CN 212584382 U CN212584382 U CN 212584382U CN 202021364527 U CN202021364527 U CN 202021364527U CN 212584382 U CN212584382 U CN 212584382U
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- fire damper
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Abstract
The utility model discloses a valve enclosed construction of fire prevention valve, including the fire prevention valve main part, the surface of fire prevention valve main part is provided with the notch, and the internally mounted of notch has first closing plate and second closing plate, the inside top position department of notch is provided with installs the rodless cylinder, spout surface mounting drives the drive piece, drives the drive piece and is connected with first traction lever through the riveting piece, and the one end of first traction lever is connected with the second traction lever through the riveting piece, and the second traction lever passes through the mounting respectively with the inboard surface of first closing plate and second closing plate fixed mutually, the other end of first traction lever is connected with the block through the fixed axle, and the block is located the inside of spout. The utility model discloses an utilize two sets of traction rods of drive block cooperation, can realize folding angle between first traction rod and the second traction rod and change, can realize dividing quick sealed closing to fire prevention valve notch department, when the intensity of a fire is great, can effectively prevent rapidly that the intensity of a fire from stretching through the pipeline.
Description
Technical Field
The utility model relates to a fire prevention valve technical field specifically is a valve enclosed construction of fire prevention valve.
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. 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 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 fire damper can be divided into: smoke exhaust valve, smoke exhaust fire valve, fire prevention governing valve, smoke prevention fire prevention governing valve etc. multiple structure.
The valve sealing structure of the existing fire damper does not have the effect of flexibly and quickly closing the valve, so that a novel valve sealing structure of the fire damper is urgently needed to be developed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a valve enclosed construction of fire prevention valve to the valve enclosed construction of the present fire prevention valve that provides in solving above-mentioned background art does not possess the problem of nimble quick closing valve effect.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a valve enclosed construction of fire prevention valve, includes the fire prevention valve main part, the surface of fire prevention valve main part is provided with the notch, and the internally mounted of notch has first closing plate and second closing plate, the inside top position department of notch is provided with installs the rodless cylinder, and the surface of rodless cylinder is provided with the spout, spout surface mounting drives the piece, drives the piece and is connected with first traction lever through the riveting piece, and the one end of first traction lever is connected with the second traction lever through the riveting piece, and the second traction lever passes through the mounting respectively with the inboard surface of first closing plate and second closing plate fixed mutually, the other end of first traction lever is connected with the block through the fixed axle, and the block is located the inside of spout.
Preferably, one end of the first sealing plate and one end of the second sealing plate are movably connected with the fire damper main body through hinges.
Preferably, the first traction rod is of an arc structure.
Preferably, the sliding groove is provided with a limiting block.
Preferably, the driving block is tightly embedded with the surface of the sliding chute.
Preferably, the first sealing plate and the second sealing plate are the same in size and size, and the overall size of the first sealing plate and the second sealing plate is the same as the size of the notch.
Compared with the prior art, the beneficial effects of the utility model are that:
the inside top position department of notch is provided with installs the rodless cylinder, the surface of rodless cylinder is provided with the spout, spout surface mounting has the drive block, the drive block is connected with first traction lever through the riveting piece, the one end of first traction lever is connected with the second traction lever through the riveting piece, the second traction lever passes through the mounting and is fixed mutually with the inboard surface of first closing plate and second closing plate respectively, the drive block closely gomphosis with the spout surface, through utilizing two sets of traction levers of drive block cooperation, can realize folding angle change between first traction lever and the second traction lever, can realize closing the fire prevention valve notch department quick seal, when the intensity of a fire is great, can effectively prevent the intensity of a fire from stretching through the pipeline rapidly, prevent the intensity of a fire increase, valve pipeline security has been improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a schematic rear end structure diagram of the present invention;
fig. 4 is a schematic side view of the present invention;
fig. 5 is an enlarged schematic view of the position a of the present invention.
In the figure: 1. a fire damper main body; 2. a notch; 3. a first traction rod; 4. a fixing member; 5. a second sealing plate; 6. a hinge; 7. a first sealing plate; 8. a chute; 9. a fixed shaft; 10. a limiting block; 11. a drive block; 12. riveting a connecting piece; 13. a clamping block; 14. a second traction rod; 15. and a cylinder without a lever.
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. 1-5, the present invention provides an embodiment: the utility model provides a valve enclosed construction of fire prevention valve, including fire prevention valve main part 1, the surface of fire prevention valve main part 1 is provided with notch 2, the internally mounted of notch 2 has first closing plate 7 and second closing plate 5, the inside top position department of notch 2 is provided with installs rodless cylinder 15, the surface of rodless cylinder 15 is provided with spout 8, spout 8 surface mounting has drive block 11, drive block 11 is connected with first traction lever 3 through riveting 12, the one end of first traction lever 3 is connected with second traction lever 14 through riveting 12, second traction lever 14 is fixed mutually with the inboard surface of first closing plate 7 and second closing plate 5 respectively through mounting 4, the other end of first traction lever 3 is connected with block 13 through fixed axle 9, block 13 is located the inside of spout 8.
Furthermore, one end of the first sealing plate 7 and one end of the second sealing plate 5 are movably connected with the fire damper main body 1 through a hinge 6.
Further, the first traction rod 3 is of an arc structure.
Furthermore, a limiting block 10 is arranged on the sliding groove 8.
Further, the driving block 11 is tightly fitted to the surface of the slide groove 8.
Further, the first sealing plate 7 and the second sealing plate 5 are the same in size, and the overall size of the first sealing plate 7 and the second sealing plate 5 is the same as that of the notch 2.
The working principle is as follows: when in use, the surface of the fire damper main body 1 is provided with a notch 2, a first sealing plate 7 and a second sealing plate 5 are arranged inside the notch 2, a rodless cylinder 15 is arranged at the top end position inside the notch 2, a sliding groove 8 is arranged on the surface of the rodless cylinder 15, a driving block 11 is arranged on the surface of the sliding groove 8, the driving block 11 is connected with a first traction rod 3 through a riveting piece 12, one end of the first traction rod 3 is connected with a second traction rod 14 through the riveting piece 12, the second traction rod 14 is respectively fixed with the inner side surfaces of the first sealing plate 7 and the second sealing plate 5 through a fixing piece 4, the other end of the first traction rod 3 is connected with a clamping block 13 through a fixing shaft 9, the driving block 11 is matched with two groups of traction rods, the folding angle change between the first traction rod 3 and the second traction rod 14 can be realized, and the quick sealing closing of the, when the fire is great, the fire can be effectively prevented from spreading through the pipeline, the fire is prevented from increasing, and the safety of the valve pipeline is improved.
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. A valve sealing structure of a fire damper comprises a fire damper main body (1) and is characterized in that a notch (2) is formed in the surface of the fire damper main body (1), a first sealing plate (7) and a second sealing plate (5) are installed inside the notch (2), a rodless cylinder (15) is installed at the position of the top end inside the notch (2), a sliding chute (8) is formed in the surface of the rodless cylinder (15), a driving block (11) is installed on the surface of the sliding chute (8), the driving block (11) is connected with a first traction rod (3) through a riveting piece (12), one end of the first traction rod (3) is connected with a second traction rod (14) through the riveting piece (12), the second traction rod (14) is fixed to the inner side surfaces of the first sealing plate (7) and the second sealing plate (5) through a fixing piece (4), the other end of the first traction rod (3) is connected with a clamping block (13) through a fixing shaft (9), the clamping block (13) is positioned inside the sliding groove (8).
2. The valve closing structure of a fire damper as claimed in claim 1, wherein: one ends of the first sealing plate (7) and the second sealing plate (5) are movably connected with the fire damper main body (1) through hinges (6).
3. The valve closing structure of a fire damper as claimed in claim 1, wherein: the first traction rod (3) is of an arc-shaped structure.
4. The valve closing structure of a fire damper as claimed in claim 1, wherein: and a limiting block (10) is arranged on the sliding groove (8).
5. The valve closing structure of a fire damper as claimed in claim 1, wherein: the driving block (11) is tightly embedded with the surface of the sliding chute (8).
6. The valve closing structure of a fire damper as claimed in claim 1, wherein: the first sealing plate (7) and the second sealing plate (5) are the same in size, and the whole size of the first sealing plate (7) and the second sealing plate (5) is the same as that of the notch (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021364527.XU CN212584382U (en) | 2020-07-13 | 2020-07-13 | Valve sealing structure of fire damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021364527.XU CN212584382U (en) | 2020-07-13 | 2020-07-13 | Valve sealing structure of fire damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212584382U true CN212584382U (en) | 2021-02-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021364527.XU Active CN212584382U (en) | 2020-07-13 | 2020-07-13 | Valve sealing structure of fire damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212584382U (en) |
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2020
- 2020-07-13 CN CN202021364527.XU patent/CN212584382U/en active Active
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