CN217633900U - High-efficient sealed fire prevention valve that discharges fume - Google Patents
High-efficient sealed fire prevention valve that discharges fume Download PDFInfo
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- CN217633900U CN217633900U CN202221274150.8U CN202221274150U CN217633900U CN 217633900 U CN217633900 U CN 217633900U CN 202221274150 U CN202221274150 U CN 202221274150U CN 217633900 U CN217633900 U CN 217633900U
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Abstract
The utility model belongs to the technical field of the fire prevention valve of discharging fume, especially, high-efficient sealed fire prevention valve of discharging fume, including the fire prevention valve body, the internal surface rotation of fire prevention valve body is connected with the rotor plate, the inside of fire prevention valve body is provided with sealing device, sealing device includes closing plate, first spring and stay cord, the stay cord is with the closing plate pulling, the closing plate is at the rotor plate water-logging translation and is moved and make first spring stretch out and draw back. This high-efficient sealed fire prevention valve of discharging fume, the rocker drives the dwang and rotates, rotate ninety degrees after, the inserted bar injects the spacing inslot, let the rocker remain stable, when the fire prevention valve body is closed, the position of closing plate is nearer with the torsional spring, first spring can pop out the closing plate, make the closing plate can tightly laminate each other and laminate with the fire prevention valve body, it is sealed more sufficient to let the fire prevention valve body, and when the fire prevention valve body was opened, the torsional spring can be kept away from to the closing plate, make the stay cord can pull the closing plate into in the spout.
Description
Technical Field
The utility model relates to a fire prevention valve technical field that discharges fume especially relates to a high-efficient sealed fire prevention valve that discharges fume.
Background
The smoke-discharging fire-resisting valve and fire-fighting component are generally mounted on the pipeline of mechanical smoke-discharging system, usually in open state, when fire hazard occurs, the smoke-discharging fire-resisting valve is opened, when the smoke-discharging pipeline interior smoke temp. is reached to 280 deg.C, and closed, and can meet the requirements of smoke-leaking quantity and fire-resisting integrity in a certain time so as to implement the functions of isolating smoke and resisting fire.
The fire prevention valve leakproofness of usual discharging fume is not enough, and the back-fire relief effect is relatively poor when the valve is closed, brings inconvenience during not only normal use, causes the incident easily moreover, in order to overcome this problem, needs to design a fire prevention valve that can high-efficient seal to strengthen the back-fire relief effect of fire prevention valve.
SUMMERY OF THE UTILITY MODEL
Based on the not enough technical problem of current fire prevention valve leakproofness of discharging fume, the utility model provides a high-efficient sealed fire prevention valve of discharging fume.
The utility model provides a pair of high-efficient sealed fire prevention valve of discharging fume, including the fire prevention valve body, the internal surface rotation of fire prevention valve body is connected with the rotor plate, the inside of fire prevention valve body is provided with sealing device, sealing device includes closing plate, first spring and stay cord, the stay cord is with the closing plate pulling, the closing plate makes first spring stretch out and draw back at rotor plate internal horizontal migration.
Preferably, a rotating rod is fixedly installed inside the rotating plate, the rotating rod is rotatably connected inside the fire damper body, and a sliding groove is formed inside the rotating plate;
through above-mentioned technical scheme, the upper and lower surface of rotor plate can with the fire prevention valve body between closely contact, have certain sealed effect.
Preferably, the outer surface of the rotating rod is fixedly sleeved with a first gear, the two sealing plates are both inserted in the sliding groove in a sliding manner, the two sealing plates are symmetrically distributed by taking the axis of the rotating plate as a symmetric center, the first spring is fixedly connected to the outer surface of the sealing plate, and the other end of the first spring is fixedly connected with the inner part of the sliding groove;
through above-mentioned technical scheme, the dwang rotates and drives the rotor plate and rotate, and the closing plate can be followed the interior roll-off of spout, and two closing plate pastes together, have good sealed effect, and closing plate and stay cord are made by high temperature resistant silicide metalloid material, can not damaged by high temperature.
Preferably, the pull rope is fixedly connected to the outer surface of the sealing plate, a torsion spring is fixedly installed inside the fire damper body, the other end of the pull rope is fixedly connected with the torsion spring, a limiting rod is fixedly connected inside the sealing plate, and the outer surface of the pull rope is in sliding connection with the outer surface of the limiting rod;
through above-mentioned technical scheme, the torsional spring can be with the stay cord winding, in the stay cord pulling closing plate made its can the indentation rotor plate, the torsion of torsional spring is greater than the elasticity of first spring, can carry out the rolling with loose stay cord, and the torsional spring has certain wrench movement scope, can not pop out the closing plate to first spring and cause the hindrance.
Preferably, the lower surface of the sealing plate is fixedly connected with a bottom column, the bottom column is rotatably connected inside the fire damper body, the upper surface of the sealing plate positioned on the left side is fixedly connected with a fixing rod, a second gear is fixedly sleeved on the outer surface of the fixing rod, and the outer surface of the second gear is meshed with the outer surface of the first gear;
through above-mentioned technical scheme, the foundation column card is at the fire prevention valve body internal rotation, lets the rotor plate can the steady rotation, and the dwang rotates and lets first gear drive second gear revolve, and then drives dead lever and another rotor plate and rotates.
Preferably, a control box is fixedly mounted on the upper surface of the fire damper body, a rocker is rotatably connected inside the control box, the lower end of the rocker is fixedly connected with the upper end of the rotating rod, a sleeve plate is fixedly sleeved on the outer surface of the rotating rod, a limiting groove is formed in the outer surface of the sleeve plate, an insertion rod is slidably inserted into the control box, the top end of the insertion rod is slidably inserted into the limiting groove, and a second spring is fixedly connected to the outer surface of the insertion rod;
through above-mentioned technical scheme, the rocker rotates and drives the dwang and rotate, and the inserted bar is inserted in the spacing inslot of lagging, guarantees that the position of dwang remains stable.
The utility model provides a beneficial effect does:
through setting up sealing device, when sensing certain high temperature, the control mechanism of the inside setting of control box can control the rocker and drive the dwang and rotate, rotate ninety degrees back, the inserted bar injects the spacing inslot, let the rocker remain stable, the elasticity of second spring lets the inserted bar tightly insert in the spacing inslot, when the fire prevention valve body is closed, the position of closing plate is nearer with the torsional spring, the elasticity of first spring can pop out the closing plate, make the closing plate can tightly laminate each other and laminate with the fire prevention valve body, it is more sufficient to let the fire prevention valve body seal, and when the fire prevention valve body was opened, the torsional spring can be kept away from to the closing plate, make the stay cord can pull the closing plate into in the spout, can guarantee sealedly when the fire prevention valve body is closed from this, reached and guaranteed to discharge fume the more sufficient effect of fire prevention valve leakproofness.
Drawings
Fig. 1 is a schematic view of a high-efficiency sealing smoke-discharging fire-proof valve provided by the utility model;
FIG. 2 is a sectional view of the fire damper body of the high-efficiency sealing smoke-discharging fire damper of the present invention;
FIG. 3 is a sectional view of the structure of a rotating plate of the high-efficiency sealed smoke-discharging fire-proof valve of the present invention;
fig. 4 is a sectional view of a sealing plate structure of the high-efficiency sealing smoke-discharging fire-proof valve provided by the utility model;
fig. 5 is the utility model provides a control box structure cross-sectional view of high-efficient sealed fire damper that discharges fume.
In the figure: 1. a fire damper body; 11. a torsion spring; 12. a control box; 13. a rocker; 14. inserting a rod; 15. a second spring; 2. a rotating plate; 21. rotating the rod; 22. a chute; 23. a first gear; 24. sheathing the board; 25. a limiting groove; 3. a sealing plate; 31. a limiting rod; 32. a bottom pillar; 33. a fixing rod; 34. a second gear; 4. a first spring; 5. and (6) pulling a rope.
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, a high-efficient sealed fire prevention valve that discharges fume, including fire prevention valve body 1, the internal surface of fire prevention valve body 1 rotates and is connected with rotor plate 2, and the inside of fire prevention valve body 1 is provided with sealing device, and sealing device includes closing plate 3, first spring 4 and stay cord 5, and stay cord 5 stimulates closing plate 3, and closing plate 3 makes first spring 4 stretch out and draw back in rotor plate 2 internal horizontal translation.
Further, the inside fixed mounting of rotor plate 2 has dwang 21, and dwang 21 rotates to be connected in the inside of fire prevention valve body 1, and spout 22 has been seted up to the inside of rotor plate 2, and the upper and lower surface of rotor plate 2 can and closely contact between the fire prevention valve body 1, has certain sealed effect.
Further, the fixed cover of surface of dwang 21 has been connected with first gear 23, two closing plate 3 all slide and peg graft in the inside of spout 22, two closing plate 3 use the axis of rotor plate 2 to be the symmetric distribution as the centre of symmetry, first spring 4 fixed connection is at the surface of closing plate 3, the other end of first spring 4 and the inside fixed connection of spout 22, dwang 21 rotates and drives rotor plate 2 and rotate, roll-off in spout 22 can be followed to closing plate 3, two closing plate 3 laminating are in the same place, good sealed effect has.
Further, 5 fixed connection of stay cord are at closing plate 3's surface, the inside fixed mounting of fire prevention valve body 1 has torsional spring 11, the other end and the 11 fixed connection of torsional spring of stay cord 5, closing plate 3's inside fixedly connected with gag lever post 31, the surface of stay cord 5 and gag lever post 31's surface sliding connection, torsional spring 11 can twine stay cord 5, 5 pulling closing plate 3 of stay cord make it can retract into rotor plate 2 in, torsional spring 11's torsion is greater than first spring 4's elasticity, can wrap up loose stay cord 5, and torsional spring 11 has certain wrench movement scope, can not pop out closing plate 3 to first spring 4 and cause the hindrance.
Further, the lower fixed surface of closing plate 3 is connected with foundation 32, foundation 32 rotates the inside of connecting at fire prevention valve body 1, the last fixed surface that is located the closing plate 3 on the left side is connected with dead lever 33, the outer fixed surface that has fixed the second gear 34 of dead lever 33 has, the surface of second gear 34 and the surface engagement of first gear 23, foundation 32 card is at the internal rotation of fire prevention valve body 1, let rotor plate 2 can remain stable rotation, dwang 21 rotates and lets first gear 23 drive second gear 34 and rotate, and then drive dead lever 33 and another rotor plate 2 and rotate.
Further, the last fixed surface of fire prevention valve body 1 installs control box 12, the inside of control box 12 is rotated and is connected with rocker 13, the lower extreme of rocker 13 and the upper end fixed connection of dwang 21, the outer fixed surface of dwang 21 has cup jointed lagging 24, spacing groove 25 has been seted up to the surface of lagging 24, the inside of control box 12 is slided and is pegged graft there is inserted bar 14, the top of inserted bar 14 slides and pegs graft in the inside of spacing groove 25, the outer fixed surface of inserted bar 14 is connected with second spring 15, rocker 13 rotates and drives dwang 21 and rotate, inserted bar 14 is inserted in the spacing groove 25 of lagging 24, guarantee that the position of dwang 21 remains stable.
Through setting up sealing device, wave rocker 13 and drive dwang 21 and rotate, rotate ninety degrees after, inserted bar 14 injects the spacing groove 25, let rocker 13 remain stable, the elasticity of second spring 15 lets inserted bar 14 tightly insert in spacing groove 25, when fire prevention valve body 1 closes, the position of closing plate 3 is nearer with torsional spring 11, the elasticity of first spring 4 can pop out closing plate 3, make closing plate 3 can tightly laminate each other and laminate with fire prevention valve body 1, let fire prevention valve body 1 sealed more sufficient, and when fire prevention valve body 1 opened, torsional spring 11 can be kept away from to closing plate 3, make stay cord 5 can pull closing plate 3 into in the spout 22, can guarantee sealed when fire prevention valve body 1 closes from this, reached and guaranteed the more sufficient effect of fire prevention valve leakproofness of discharging fume.
The working principle is as follows: rocking rocker 13 drives dwang 21 and rotates, rotate ninety degrees back, inserted bar 14 injects in the spacing groove 25, let rocker 13 remain stable, the elasticity of second spring 15 lets inserted bar 14 can tightly insert in spacing groove 25, when fire prevention valve body 1 closes, the position of closing plate 3 is nearer with torsional spring 11, the elasticity of first spring 4 can pop out closing plate 3, make closing plate 3 can tightly laminate each other and laminate with fire prevention valve body 1, let fire prevention valve body 1 sealed more sufficient, and when fire prevention valve body 1 opened, torsional spring 11 can be kept away from to closing plate 3, make in stay cord 5 can pull closing plate 3 into spout 22, can guarantee sealed when fire prevention valve body 1 closes from this.
The above, only be the embodiment of the preferred 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, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a high-efficient sealed fire prevention valve that discharges fume, includes fire prevention valve body (1), its characterized in that: the internal surface of fire prevention valve body (1) rotates and is connected with rotor plate (2), the inside of fire prevention valve body (1) is provided with sealing device, sealing device includes closing plate (3), first spring (4) and stay cord (5), stay cord (5) are with closing plate (3) pulling, closing plate (3) horizontal migration makes first spring (4) stretch out and draw back in rotor plate (2).
2. An efficient sealing smoke exhaust fire damper as claimed in claim 1, wherein: the inside fixed mounting of rotor plate (2) has dwang (21), dwang (21) are rotated and are connected in the inside of fire prevention valve body (1), spout (22) have been seted up to the inside of rotor plate (2).
3. An efficient sealing smoke exhaust fire damper as claimed in claim 2, wherein: the fixed cover in surface of dwang (21) has connect first gear (23), two closing plate (3) all slides and pegs graft in the inside of spout (22), two closing plate (3) use the axis of rotor plate (2) to be the symmetric distribution as the center of symmetry, first spring (4) fixed connection is at the surface of closing plate (3), the other end of first spring (4) and the inside fixed connection of spout (22).
4. An efficient sealing smoke exhaust fire damper as claimed in claim 1, wherein: stay cord (5) fixed connection is at the surface of closing plate (3), the inside fixed mounting of fire prevention valve body (1) has torsional spring (11), the other end and torsional spring (11) fixed connection of stay cord (5), the inside fixedly connected with gag lever post (31) of closing plate (3), the surface sliding connection of the surface of stay cord (5) and gag lever post (31).
5. An efficient sealing smoke exhaust fire damper as claimed in claim 3, wherein: the lower fixed surface of closing plate (3) is connected with foundation (32), foundation (32) rotate to be connected in the inside of fire prevention valve body (1), are located the left side the last fixed surface of closing plate (3) is connected with dead lever (33), the external surface mounting of dead lever (33) has cup jointed second gear (34), the surface meshing of the surface of second gear (34) and first gear (23).
6. An efficient sealing smoke exhaust fire damper as claimed in claim 2, wherein: the fire prevention valve body's (1) last fixed surface installs control box (12), the inside of control box (12) is rotated and is connected with rocker (13), the lower extreme of rocker (13) and the upper end fixed connection of dwang (21), the external fixed surface of dwang (21) has cup jointed lagging (24), spacing groove (25) have been seted up to the surface of lagging (24), the inside of control box (12) slides and pegs graft and has inserted bar (14), the top of inserted bar (14) slides and pegs graft in the inside of spacing groove (25), the external fixed surface of inserted bar (14) is connected with second spring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221274150.8U CN217633900U (en) | 2022-05-25 | 2022-05-25 | High-efficient sealed fire prevention valve that discharges fume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221274150.8U CN217633900U (en) | 2022-05-25 | 2022-05-25 | High-efficient sealed fire prevention valve that discharges fume |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217633900U true CN217633900U (en) | 2022-10-21 |
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ID=83655977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221274150.8U Active CN217633900U (en) | 2022-05-25 | 2022-05-25 | High-efficient sealed fire prevention valve that discharges fume |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217633900U (en) |
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2022
- 2022-05-25 CN CN202221274150.8U patent/CN217633900U/en active Active
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