CN217519303U - Smoke-discharging fire-proof valve - Google Patents
Smoke-discharging fire-proof valve Download PDFInfo
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- CN217519303U CN217519303U CN202221641681.6U CN202221641681U CN217519303U CN 217519303 U CN217519303 U CN 217519303U CN 202221641681 U CN202221641681 U CN 202221641681U CN 217519303 U CN217519303 U CN 217519303U
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Abstract
The application discloses fire prevention valve discharges fume relates to fire prevention valve technical field discharges fume, and it includes the valve body, sets up mounting panel, limiting plate and rotation on the valve body and sets up valve on the mounting panel, be provided with the electric controller that is used for ordering about the valve and closes or reset on the valve body, be provided with the mount pad on the valve body inner wall, the mount pad with the mounting panel is located on the same one side inner wall of valve body, the articulated closing plate that is provided with on the mount pad, it is right to be provided with on the closing plate the valve with gap between the mounting panel carries out the sealing member that seals, the sealing member with valve activity butt, be provided with on the valve body and be used for ordering about the closing plate is close to the driving piece of valve direction motion. This application has the effect that improves the leakproofness of fire damper of discharging fume.
Description
Technical Field
The application relates to a fire prevention valve technical field that discharges fume especially relates to a fire prevention valve that discharges fume.
Background
At present, the fire prevention valve of discharging fume is a fire control part, generally installs on the pipeline of machinery system of discharging fume, is the open mode at ordinary times, discharges fume through the fire prevention valve of discharging fume when the conflagration breaing out, and when flue gas temperature reached 280 degrees in the exhaust pipe, the electric controller drive fire prevention valve of discharging fume was closed, plays and separates the effect of cigarette back-fire relief, and the back is crossed to the conflagration, can manually drive the electric controller and make the fire prevention valve of discharging fume open.
Referring to fig. 1, fire prevention valve of generally discharging fume, including valve body 1 and valve 5, install electric controller 2 on the 1 outer wall of valve body, install mounting panel 4 on the 1 inside wall of valve body, valve 5 both ends all are provided with the pivot, and valve 5 rotates through the pivot to be connected on mounting panel 4 of 1 inside wall of valve body, still is provided with the limiting plate 3 that is used for with the side butt of valve 5 on the 1 inside wall of valve body. When the temperature of the smoke in the smoke exhaust pipeline reaches 280 ℃, the electric controller 2 drives the valve 5 to rotate on the mounting plate 4 around the rotating shaft until the side edge of the valve 5 abuts against the limiting plate 3, the closing process of the valve 5 is completed, and therefore the smoke insulation and fire retardation effects are achieved.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the valve is closed, the valve rotates on the mounting panel through the pivot to the limiting plate butt, because the valve passes through the pivot to be connected on the mounting panel, at the valve pivoted in-process repeatedly, can take place wearing and tearing between valve and the mounting panel, leads to having the space between valve and the mounting panel for sealed degree between valve and the mounting panel is poor, thereby leads to the leakproofness of smoke exhaust fire prevention valve poor.
SUMMERY OF THE UTILITY MODEL
In order to improve the poor problem of leakproofness of fire damper of discharging fume, this application provides a fire damper of discharging fume.
The application provides a fire damper discharges fume adopts following technical scheme:
the utility model provides a fire damper discharges fume, includes the valve body, sets up mounting panel, limiting plate and the rotation on the valve body and sets up valve on the mounting panel, be provided with the electric controller that is used for ordering about the valve and closes or reset on the valve body, be provided with the mount pad on the valve body inner wall, the mount pad with the mounting panel is located on the same one side inner wall of valve body, the articulated closing plate that is provided with on the mount pad, it is right to be provided with on the closing plate the valve with gap between the mounting panel carries out sealed sealing member, the sealing member with valve activity butt, be provided with on the valve body and be used for ordering about the closing plate is close to the driving piece of valve direction motion.
Through adopting above-mentioned technical scheme, when flue gas temperature reached 280 degrees in the flue gas pipeline, the electric controller driven valve rotated on the mounting panel to with the limiting plate butt, the driving piece ordered about the closing plate towards the valve rotation on the mount pad, sealed butt on the valve up to the sealing member on the closing plate to seal between valve and the mounting panel, thereby improve the poor problem of leakproofness of smoke exhaust fire damper.
Optionally, the sealing element is provided as a first sealing strip, and the first sealing strip is provided on one side of the sealing plate close to the valve.
Through adopting above-mentioned technical scheme, when flue gas temperature reached 280 degrees in the flue gas pipeline, the electric controller driven valve rotated to with the limiting plate butt, the driving piece ordered about the sealing plate and rotated on the valve to the sealed butt of the first sealing strip on the sealing plate, and, the terminal surface butt that first sealing strip is close to the mounting panel was kept away from on the terminal surface of valve body diapire in the mounting panel, thereby sealed between the tip and the valve body inner bottom wall to the valve, thereby improved the poor problem of leakproofness of smoke exhaust fire damper.
Optionally, the first sealing strip is disposed at one end of the sealing plate close to the mounting seat, and the valve and the mounting plate are movably abutted to the first sealing strip.
Through adopting above-mentioned technical scheme, when flue gas temperature reached 280 degrees in the flue gas discharging pipe, the electric controller driven valve rotated to with the limiting plate butt, the driving piece ordered about the closing plate and rotated the sealed butt of first sealing strip up to on the closing plate around the mount pad on the valve, and the poor problem of leakproofness of smoke exhaust fire damper is further improved to wall butt in first sealing strip and the valve body simultaneously.
Optionally, a sealing groove is formed in the end face, away from the sealing plate, of the first sealing strip, and the sealing groove is matched with the valve seal in an abutting mode.
Through adopting above-mentioned technical scheme, when first sealing strip carries out sealed butt to the valve through the seal groove, the bulge on the valve is located the seal groove for the butt of first sealing strip and valve is inseparabler, has improved the effect of the sealed butt of first sealing strip and valve.
Optionally, the driving member is a torsion spring sleeved on the hinge shaft and in a compressed state, one end of the torsion spring is fixedly connected with the valve body, and the other end of the torsion spring is fixedly connected with the sealing plate.
Through adopting above-mentioned technical scheme, at the valve long-term in-process of opening, the closing plate is close to the one end of mounting panel at the valve through first sealing strip butt under the effect of torsional spring, and when electric controller driven valve rotated, the relative closing plate of valve slided until valve and limiting plate butt, and the closing plate compresses tightly the sealing strip on the valve under the effect of torsional spring this moment to seal between valve and the mounting panel, thereby improve the poor problem of leakproofness of the fire prevention valve of discharging fume.
Optionally, a lubricating layer is arranged at a position of the valve, which is movably abutted to the first sealing strip.
Through adopting above-mentioned technical scheme, the valve rotates and promotes first sealing strip motion through the lubricant film, and the lubricant film makes the easy relative valve of first sealing strip slide to easily make first sealing strip motion drive closing plate rotate round the articulated shaft, remove the sealing in gap between the valve and the valve body of first sealing strip on the closing plate, avoid the valve to cause wearing and tearing to the sealing strip at the in-process that resets.
Optionally, a second sealing strip is arranged at a position, movably abutted against the valve, of the limiting plate.
Through adopting above-mentioned technical scheme, when the valve rotated under the control of electric controller to with the limiting plate butt when, the second sealing strip that sets up on the limiting plate can cushion the limiting plate on the one hand and avoid the valve to collide with the limiting plate, and on the other hand can improve the sealed effect when closing the valve to the limiting plate.
Optionally, a third sealing strip is arranged at a position where the valve is movably abutted with the adjacent valve.
Through adopting above-mentioned technical scheme, when the valve rotated under the control of electric controller, the third sealing member can cushion on the one hand another valve and avoid producing between the valve and collide with and lead to the valve to warp, and on the other hand can improve the sealed effect of valve.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the electric controller drives the valve to rotate to abut against the limiting plate, the driving piece drives the sealing plate to rotate until the sealing piece on the sealing plate abuts against the valve in a sealing mode, and therefore the end portion of the valve and the inner side wall of the valve body are sealed, and the problem that the smoke exhaust fire-proof valve is poor in sealing performance is solved;
2. when the valve rotates to abut against the limiting plate under the control of the electric controller, the second sealing strip arranged on the limiting plate can buffer the limiting plate to avoid the valve from colliding with the limiting plate, and can improve the sealing effect of the limiting plate on the valve closing process;
3. when the valve is driven to reset by the electric controller, the valve rotates and pushes the first sealing strip to move through the lubricating layer, and the lubricating layer enables the first sealing strip to slide relative to the valve easily, so that the first sealing strip moves to drive the sealing plate to rotate around the hinge shaft, and the valve is prevented from abrasion to the sealing strip in the resetting process.
Drawings
Fig. 1 is a background art drawing.
Fig. 2 is a schematic overall structure diagram of an embodiment of the present application.
FIG. 3 is a schematic cross-sectional structural view of a valve body, a mounting plate, a first sealing strip, a second sealing strip and a third sealing strip in an embodiment of the present application.
Fig. 4 is a schematic structural diagram of the mounting plate, the first sealing strip and the sealing plate in the embodiment of the application.
FIG. 5 is a schematic structural diagram of the mounting plate, the mounting seat and the torsion spring in the embodiment of the present application.
Reference numerals: 1. a valve body; 2. an electrical controller; 3. a limiting plate; 4. mounting a plate; 5. a valve; 6. a mounting base; 7. sealing plates; 8. a lubricating layer; 9. hinging a shaft; 10. a third seal strip; 11. a first seal strip; 12. a second seal strip; 13. a sealing groove; 14. a torsion spring; 15. a rotating shaft.
Detailed Description
The present application is described in further detail below with reference to figures 2-5.
The embodiment of the application discloses a fire prevention valve of discharging fume. Referring to fig. 2 and 3, the valve comprises a valve body 1, wherein mounting plates 4 are arranged on the inner top wall and the inner bottom wall of the valve body 1; a rotating shaft 15 is rotatably arranged between the two mounting plates 4, the number of the rotating shafts 15 is two, valves 5 are arranged on the two rotating shafts 15, the rotating shafts 15 are fixedly connected to the middle parts of the valves 5, and the valves 5 are rotatably connected between the two mounting plates 4 through the rotating shafts 15; limiting plates 3 are respectively arranged on two inner side walls of the valve body 1 between the two mounting plates 4, and one end of the valve 5 is movably abutted with the limiting plate 3 on the same side; the top outside of the valve body 1 is also provided with an electric controller 2 which drives the valve 5 to close and reset through a rotating shaft 15, when the valve 5 is closed, one end of the valve 5 is abutted with the limiting plate 3 on the same side of the valve, and the other end of the valve is abutted with the adjacent valve 5.
For promoting the leakproofness between valve 5 and the limiting plate 3, refer to fig. 3, be provided with second sealing strip 12 with valve 5 activity butt department on the limiting plate 3, second sealing strip 12 can be for bonding or screw connection with the fixed connection mode of limiting plate 3, and in this application embodiment, the fixed connection mode of second sealing strip 12 and limiting plate 3 is preferred to bond.
For promoting the leakproofness of two valve 5 activity butt departments, refer to fig. 3, be provided with third sealing strip 10 on the valve 5, third sealing strip 10 sets up in the activity butt department of two adjacent valves 5, and when electric controller 2 driven valve 5 rotated, third sealing strip 10 bonded was on the terminal surface that valve 5 is close to each other, and two valves 5 are through the sealed butt of third sealing strip 10.
Referring to fig. 3, 4 and 5, an installation seat 6 is arranged on the inner wall of the valve body 1, the installation seat 6 and the installation plate 4 are positioned on the inner wall of the valve body 1 on the same side, an articulated shaft 9 is arranged on the valve body 1 in a penetrating manner and the installation seat 6 in a rotating manner, the articulated shaft 9 is arranged in parallel to the length direction of the installation plate 4, a sealing plate 7 is arranged on the installation seat 6 in a hinged manner through the articulated shaft 9, and the sealing plate 7 is fixedly connected with the articulated shaft 9; the seal plate 7 is provided with a seal member for sealing a gap between the valve 5 and the mounting plate 4, and the seal member is movably abutted against the valve 5. In the embodiment of the present application, the sealing member is provided as a first sealing strip 11, and the first sealing strip 11 is adhered to one side of the sealing plate 7 close to the valve 5 and is located at one end of the sealing plate 7 close to the hinge shaft 9; the sealing groove 13 has been seted up to the one end that the sealing strip kept away from closing plate 7, and sealing groove 13 and the sealed butt adaptation of valve 5. When the valve 5 is closed, the valve 5 and the mounting plate 4 are movably abutted against the first sealing strip 11, and the valve body 1 is provided with a driving piece for driving the sealing plate 7 to move towards the direction close to the valve 5. When the valve 5 is closed, the driving member drives the sealing plate 7 to move towards the direction close to the valve 5, so that the first sealing strip 11 is tightly and hermetically abutted on the valve 5, and meanwhile, the end face, close to the mounting plate 4 on the same side as the first sealing strip 11, of the first sealing strip is tightly and hermetically abutted on the mounting plate 4.
For the convenience of the sealing plate 7 automatically sealing the gap between the valve 5 and the mounting plate 4, referring to fig. 5, in the embodiment of the present application, the driving member is a torsion spring 14 disposed on the mounting seat 6 in a compressed state, the torsion spring 14 is movably sleeved on the hinge shaft 9, and one end of the torsion spring 14 is fixedly connected with the mounting seat 6, and the other end of the torsion spring is fixedly connected with the sealing plate 7. In other embodiments, the driving member is a spring, one end of the spring is fixedly connected to the inner wall of the valve body 1 on the side of the mounting plate 4 away from the limiting strip, and the other end of the spring is fixedly connected to the end surface of the sealing plate 7 away from the first sealing strip 11.
In order to facilitate the valve 5 to reset under the control of the electric controller 2, referring to fig. 3, a lubricating layer 8 is disposed at a position of the valve 5 movably abutted to the first sealing strip 11, and the lubricating layer 8 may be a teflon coating or a lubricating oil layer, in this embodiment, the lubricating layer 8 is preferably a teflon coating, and the teflon coating is coated at two ends of the valve 5 near the two side mounting plates 4. After the valve 5 is closed, when the valve 5 is reset under the control of the electric controller 2, the valve 5 rotates and pushes the first sealing strip 11 to move through the teflon coating, and the teflon coating enables the first sealing strip 11 to easily slide relative to the valve 5, so that the first sealing strip 11 is easily moved to drive the sealing plate 7 to rotate around the hinge shaft 9.
The implementation principle of this application embodiment a fire damper of discharging fume does: when the temperature of the smoke exhaust pipeline does not reach 280 ℃, the valve 5 is in an opening state, and at the moment, the first sealing strip 11 on the sealing plate 7 is abutted against the end face, close to the mounting seat 6, of the valve 5.
When smoke exhaust pipe temperature reaches 280 degrees, electric controller 2 orders about valve 5 to close, valve 5 and adjacent valve 5 are through the sealed butt of third sealing strip 10 under electric controller 2's drive, valve 5 and limiting plate 3 pass through the sealed butt of second sealing strip 12 simultaneously, the one end that valve 5 is close to mounting panel 4 this moment all with the first sealing strip 11 on the closing plate 7 no longer the butt, make the torsional spring 14 that is in compression state kick-backs, torsional spring 14 orders about closing plate 7 and rotates towards valve 5, make first sealing strip 11 seal the clearance between mounting panel 4 and the valve 5.
After the conflagration crosses, drive electric controller 2 resets valve 5, and valve 5 moves towards the direction that deviates from limiting plate 3, and valve 5 passes through the teflon coating and promotes first sealing strip 11 and closing plate 7 and rotate towards the direction of keeping away from valve 5, accomplishes valve 5's restoration.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a smoke exhaust fire damper, includes valve body (1), sets up mounting panel (4), limiting plate (3) and the rotation setting on valve body (1) valve (5) on mounting panel (4), be provided with on valve body (1) and be used for ordering about electric controller (2) that valve (5) closed or reset, its characterized in that: be provided with on valve body (1) inner wall mount pad (6), mount pad (6) with mounting panel (4) are located on the same one side inner wall of valve body (1), the articulated closing plate (7) that is provided with on mount pad (6), it is right to be provided with on closing plate (7) valve (5) with gap between mounting panel (4) carries out the sealing member sealed, the sealing member with valve (5) activity butt, be provided with on valve body (1) and be used for ordering about closing plate (7) is close to the driving piece of valve (5) direction motion.
2. The smoke evacuation fire damper of claim 1, wherein: the sealing element is arranged as a first sealing strip (11), and the first sealing strip (11) is arranged on one side, close to the valve (5), of the sealing plate (7).
3. The smoke evacuation fire damper of claim 2, wherein: the first sealing strip (11) is arranged at one end, close to the mounting seat (6), of the sealing plate (7), and the valve (5) and the mounting plate (4) are movably abutted to the first sealing strip (11).
4. A smoke evacuation fire damper as claimed in claim 3 wherein: first sealing strip (11) are kept away from seal groove (13) have been seted up on the terminal surface of closing plate (7), seal groove (13) with valve (5) seal butt adaptation.
5. A smoke evacuation fire damper as claimed in claim 3, wherein: the driving piece is a torsion spring (14) which is arranged on the mounting seat (6) and is in a compression state, one end of the torsion spring (14) is fixedly connected with the mounting seat (6), and the other end of the torsion spring is fixedly connected with the sealing plate (7).
6. The smoke evacuation fire damper of claim 5, wherein: and a lubricating layer (8) is arranged at the position of the valve (5) movably abutted to the first sealing strip (11).
7. The smoke evacuation fire damper of claim 1, wherein: and a second sealing strip (12) is arranged at the position of the limiting plate (3) movably abutted to the valve (5).
8. The smoke evacuation fire damper of claim 1, wherein: and a third sealing strip (10) is arranged on the valve (5), and the third sealing strip (10) is arranged at the movable butt joint of the two adjacent valves (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221641681.6U CN217519303U (en) | 2022-06-29 | 2022-06-29 | Smoke-discharging fire-proof valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221641681.6U CN217519303U (en) | 2022-06-29 | 2022-06-29 | Smoke-discharging fire-proof valve |
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| Publication Number | Publication Date |
|---|---|
| CN217519303U true CN217519303U (en) | 2022-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221641681.6U Active CN217519303U (en) | 2022-06-29 | 2022-06-29 | Smoke-discharging fire-proof valve |
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| CN (1) | CN217519303U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116717620A (en) * | 2023-08-09 | 2023-09-08 | 瑞冬集团股份有限公司 | Fire control pipeline is with fire prevention valve that discharges fume |
-
2022
- 2022-06-29 CN CN202221641681.6U patent/CN217519303U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116717620A (en) * | 2023-08-09 | 2023-09-08 | 瑞冬集团股份有限公司 | Fire control pipeline is with fire prevention valve that discharges fume |
| CN116717620B (en) * | 2023-08-09 | 2023-10-20 | 瑞冬集团股份有限公司 | Fire control pipeline is with fire prevention valve that discharges fume |
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