CN210770484U - Fusing type fire-proof valve - Google Patents
Fusing type fire-proof valve Download PDFInfo
- Publication number
- CN210770484U CN210770484U CN201921799941.0U CN201921799941U CN210770484U CN 210770484 U CN210770484 U CN 210770484U CN 201921799941 U CN201921799941 U CN 201921799941U CN 210770484 U CN210770484 U CN 210770484U
- Authority
- CN
- China
- Prior art keywords
- box body
- fixedly connected
- hole
- pin rod
- baffle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009423 ventilation Methods 0.000 claims abstract description 29
- 230000002265 prevention Effects 0.000 claims abstract description 9
- 230000005484 gravity Effects 0.000 claims description 15
- 206010057071 Rectal tenesmus Diseases 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 208000012271 tenesmus Diseases 0.000 claims description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 6
- 239000003546 flue gas Substances 0.000 abstract description 6
- 239000012943 hotmelt Substances 0.000 description 9
- 239000000779 smoke Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000007480 spreading Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Landscapes
- Air-Flow Control Members (AREA)
Abstract
The utility model relates to the technical field of fire-fighting equipment, and discloses a fuse-type fire damper, which comprises a box body, wherein the top of the box body is provided with a plurality of first ventilation grooves; two sliding blocks are fixedly connected in the box body, a baffle is arranged on each sliding block in a sliding manner, and a plurality of second ventilation grooves are formed in each baffle; the box body is provided with a first through hole and a second through hole, a first pin rod penetrates through the first through hole in a sliding mode, one end of the first pin rod is abutted to the baffle, the first pin rod between the baffle and the box body is sleeved with a tension spring, two ends of the tension spring are fixedly connected with the box body and the baffle respectively, the first pin rod is located on the outer portion of the box body and provided with a limiting hole, and a second pin rod is arranged in the limiting hole in a sliding mode. The utility model discloses can be after reaching the uniform temperature through the flue gas, self-closing fire prevention valve, the effectual conflagration that cuts off stretchs through pipe-line system, reduces the conflagration loss.
Description
Technical Field
The utility model relates to a fire control facility technical field especially relates to a fuse-type fire prevention valve.
Background
The fire-proof valve is installed on the air supply and return pipelines of the ventilation and air conditioning system and is in an open state at ordinary times, and when the temperature of smoke in the pipeline reaches a certain value in a fire disaster, the fire-proof valve is closed, and can meet the requirements of smoke leakage amount and fire-proof integrity within a certain time and play a role in blocking smoke and fire. When a fire disaster occurs in a building, high-temperature smoke and flame quickly spread through the pipelines of the ventilation, air conditioning and smoke exhaust systems, so that combustible substances in a non-fire area are combusted, and the method is an important way for spreading the fire disaster. In order to effectively cut off the path of a fire through the piping system and minimize the loss caused by the fire, it is necessary to properly design fire dampers in these systems.
Most of the existing fire valves are realized through mechanical mechanisms, but the existing fire valves have high failure rate, cannot be closed well and automatically, and have the possibility that the fire can not be effectively cut off from spreading through a pipeline system.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a fuse-type fire prevention valve can be after reaching the uniform temperature through the flue gas, self-closing fire prevention valve, and the effectual conflagration that cuts off stretchs through pipe-line system, reduces the loss of fire.
The utility model discloses an above-mentioned technical problem is solved to following technical means:
a fuse-type fire damper comprises a box body, wherein the top of the box body is provided with a plurality of first ventilation grooves; two sliding blocks are fixedly connected in the box body, a baffle is arranged on each sliding block in a sliding manner, and a plurality of second ventilation grooves are formed in each baffle; the box body is provided with a first through hole and a second through hole, a first pin rod penetrates through the first through hole in a sliding mode, one end of the first pin rod abuts against the baffle, a tension spring is sleeved on the first pin rod between the baffle and the box body, two ends of the tension spring are fixedly connected with the box body and the baffle respectively, the first pin rod is located on the outer portion of the box body and provided with a limiting hole, and a second pin rod is arranged in the limiting hole in a sliding mode; a support rod penetrates through the second through hole in a sliding manner, and the lower end of the second pin rod abuts against the support rod; the utility model discloses a box, including the bracing piece, the bracing piece passes the gliding setting of second through-hole on the inner wall of box, install the fixed pulley on the first fixed block, the bracing piece is located the first stay cord of tip fixedly connected with in the box, the gliding wearing to establish of first stay cord is on the fixed pulley, the one end fixedly connected with gravity tenesmus ball of bracing piece is kept away from to first stay cord, fixedly connected with second stay cord on the baffle, the one end fixedly connected with hot frit of baffle is kept away from to the second stay cord, fixedly connected with third stay cord between hot frit and the gravity tenesmus ball.
Further, a second fixing block is fixedly connected to the outer wall of the box body, a third through hole is formed in the second fixing block, and the second pin rod penetrates through the third through hole in a sliding mode. And the second fixing block is used for avoiding the second pin rod from deviating in the sliding process in the limiting hole and the third through hole.
Further, fixedly connected with third fixed block on the box, fixedly connected with pressure spring on the third fixed block, the one end fixedly connected with movable block of third fixed block is kept away from to the pressure spring, the movable block offsets with the one end of second pin rod, the other end fixedly connected with balancing weight of second pin rod, the balancing weight offsets with the bracing piece. Under the pulling force of extension spring, the second pin pole relies on self gravity probably can not oneself fall and break away from first pin pole, and through the setting of pressure spring and balancing weight, loses the support back of bracing piece when the balancing weight, under the action of gravity of balancing weight and the thrust effect that resets of pressure spring, the roll-off in spacing hole can be followed completely to the second pin pole for the baffle removes, blocks first ventilation groove.
Further, the box outer wall is detachably and fixedly connected with a sealing cover, and the second fixing block and the third fixing block are both arranged in the sealing cover. The detachable sealing cover is used for covering the parts, so that the parts are not easy to damage.
Furthermore, the distance between the end part of the supporting rod in the box body and the fixed pulley is equal to the length of the supporting rod outside the box body. When the bracing piece moved to the box inside under the pulling force effect of gravity tenesmus ball, the removal of bracing piece was located and to be restricted, and when it moved to fixed pulley department promptly, the bracing piece will not be removing, and the bracing piece still is located the second through-hole this moment, stopped up the second through-hole, avoided the flue gas in the box to escape from the second through-hole.
Further, the bottom of the box body is provided with an installation plate. The setting of mounting panel can make this fire prevention valve can be convenient install on the ventiduct.
The utility model has the advantages that:
the utility model discloses when using, if the flue gas temperature is too high, reach hot melt block's hot melt temperature, hot melt block then melts, gravity tenesmus ball loses the pulling force of second stay cord and third stay cord, there is downstream certainly, thereby utilize first stay cord to stimulate the bracing piece in to the box, the balancing weight loses the support of bracing piece this moment, under the gravity of the effort of restoring to the throne of pressure spring and balancing weight, second pin rod downstream, from the spacing downthehole roll-off of first pin rod, first pin rod loses the spacing back of second pin rod, under the restoring force of extension spring, the extension spring will stimulate the direction motion of baffle to first through-hole, thereby first ventilation groove staggers with second ventilation groove, first ventilation groove and second ventilation groove are all plugged up, thereby close this fire prevention valve. The whole fire damper is automatically closed, so that the fire can be effectively cut off from spreading through a pipeline system, and the fire loss is reduced.
Drawings
Fig. 1 is a schematic structural view of an open state of a fusible fire damper according to the present invention;
fig. 2 is a schematic structural view of the closed state of the fusible fire damper of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 4 is a schematic structural view of the top of the box;
fig. 5 is a schematic structural view of the baffle with the top cover of the box body removed.
Wherein, box 1, mounting panel 2, first ventilation groove 3, slider 4, baffle 5, second ventilation groove 6, first pin 7, extension spring 8, spacing hole 9, second fixed block 10, second pin 11, bracing piece 12, third fixed block 13, pressure spring 14, movable block 15, balancing weight 16, first fixed block 17, fixed pulley 18, first stay cord 19, gravity weight ball 20, second stay cord 21, hot melt piece 22, third stay cord 23, sealed lid 24.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings:
as shown in FIGS. 1 to 5
A fuse-type fire damper comprises a box body 1, wherein a mounting plate 2 is integrally formed at the bottom of the box body 1, and five first ventilation grooves 3 are formed in the top of the box body 1; two sliders 4 are welded in the box body 1, a baffle 5 is arranged on each slider 4 in a sliding mode, five second ventilation grooves 6 are formed in each baffle 5, and when the fire damper is in an open state, the first ventilation grooves 3 are opposite to and communicated with the second ventilation grooves 6.
First through-hole and second through-hole have been seted up on the box 1, it wears to be equipped with first pin rod 7 to slide in the first through-hole, the right-hand member of first pin rod 7 offsets with baffle 5, the cover is equipped with extension spring 8 on the first pin rod 7, when the fire prevention valve is in the open mode, the extension spring is in tensile state, when closing, be in natural state, the both ends of extension spring 8 weld with box 1 and baffle 5 respectively, spacing hole 9 has been seted up in box 1 outside to first pin rod 7, the welding has second fixed block 10 on box 1's the outer wall, the third through-hole has been seted up on the second fixed block 10, second pin rod 11 is worn to be equipped with in the third through-hole internal slip, when the fire prevention valve open mode, spacing hole 9 and third through-hole are worn to establish in second pin rod. A support rod 12 is arranged in the second through hole in a sliding and penetrating way; still weld on the outer wall of box 1 has third fixed block 13, and the welding has pressure spring 14 on the downside of third fixed block 13, and the lower extreme welding of pressure spring 14 has movable block 15, and movable block 15 offsets with the upper end of second pin pole 11, and the welding of the lower extreme of second pin pole 11 has balancing weight 16, and balancing weight 16 offsets with bracing piece 12.
The inner wall of the box body 1 is welded with a first fixed block 17, the support rod 12 passes through the second through hole and is slidably arranged on the first fixed block 17, a fixed pulley 18 is arranged on the first fixed block 17, the end part of the support rod 12 positioned in the box body 1 is fixedly connected with a first pull rope 19, the first pull rope 19 is wound on the fixed pulley 18, one end of the first pull rope 19 far away from the support rod 12 is fixedly connected with a gravity falling ball 20, the baffle plate 5 is fixedly connected with a second pull rope 21, one end of the second pull rope 21 far away from the baffle plate 5 is fixedly connected with a hot melt block 22, the hot melt temperature of the hot melt block 22 is 80 ℃ in the embodiment, a third pull rope 23 is fixedly connected between the hot melt block 22 and, when the counterweight 16 is positioned on the supporting rod 12 in the ventilation state, the linear distance between the end of the supporting rod 12 positioned in the box body 1 and the fixed pulley 18 is equal to the length of the supporting rod 12 positioned outside the box body 1. The outer wall of the box body 1 is detachably and fixedly connected with a sealing cover 24, and the second fixing block 10 and the third fixing block 13 are both installed in the sealing cover 24.
The utility model discloses a use method as follows:
when normal ventilation state, first ventilation groove 3 and second ventilation groove 6 are relative and communicate with each other, and the flue gas passes through from first ventilation groove 3 and second ventilation groove 6, and spacing hole 9 and third through-hole are passed through to second pin rod 11 this moment, and pressure spring 14 is in compression state, and balancing weight 16 is located bracing piece 12, and second stay cord 21, hot melt piece 22 and third stay cord 23 hang gravity tenesmus ball 20.
If a fire occurs and the temperature of the passing flue gas is too high, the temperature in the box body 1 reaches the hot melting temperature of the hot melting block 22, the hot melting block 22 is melted, the gravity falling ball 20 loses the pulling force of the second pulling rope 21 and the third pulling rope 23, and moves downwards under the action of gravity, the first pulling rope 19 is pulled in the moving process, the supporting rod 12 is pulled rightwards until the supporting rod 12 abuts against the fixed pulley 18, at the moment, because the supporting rod 12 moves rightwards, the counterweight block 16 loses the support of the supporting rod 12, under the resetting acting force of the pressure spring 14 and the gravity of the counterweight block 16, the second pin rod 11 moves downwards, slides out of the limiting hole 9, the first pin rod 7 loses the limiting of the second pin rod 11, under the resetting force of the tension spring 8, the tension spring 8 pulls the baffle 5 to move towards the first through hole at the left direction, so that the first ventilation groove 3 is staggered with the second ventilation groove 6, and the first ventilation groove 3 and the second ventilation groove 6 are blocked, thereby closing the fire damper. The whole fire damper is automatically closed, so that the fire can be effectively cut off from spreading through a pipeline system, and the fire loss is reduced.
Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (6)
1. The utility model provides a fuse-type fire prevention valve, includes the box, its characterized in that: the top of the box body is provided with a plurality of first ventilation grooves; two sliding blocks are fixedly connected in the box body, a baffle is arranged on each sliding block in a sliding manner, and a plurality of second ventilation grooves are formed in each baffle; the box body is provided with a first through hole and a second through hole, a first pin rod penetrates through the first through hole in a sliding mode, one end of the first pin rod abuts against the baffle, a tension spring is sleeved on the first pin rod between the baffle and the box body, two ends of the tension spring are fixedly connected with the box body and the baffle respectively, the first pin rod is located on the outer portion of the box body and provided with a limiting hole, and a second pin rod is arranged in the limiting hole in a sliding mode; a support rod penetrates through the second through hole in a sliding manner, and the lower end of the second pin rod abuts against the support rod; the utility model discloses a box, including the bracing piece, the bracing piece passes the gliding setting of second through-hole on the inner wall of box, install the fixed pulley on the first fixed block, the bracing piece is located the first stay cord of tip fixedly connected with in the box, the gliding wearing to establish of first stay cord is on the fixed pulley, the one end fixedly connected with gravity tenesmus ball of bracing piece is kept away from to first stay cord, fixedly connected with second stay cord on the baffle, the one end fixedly connected with hot frit of baffle is kept away from to the second stay cord, fixedly connected with third stay cord between hot frit and the gravity tenesmus ball.
2. The fusible fire damper of claim 1, wherein: the outer wall of the box body is fixedly connected with a second fixing block, a third through hole is formed in the second fixing block, and the second pin rod penetrates through the third through hole in a sliding mode.
3. The fusible fire damper of claim 2, wherein: fixedly connected with third fixed block on the box, fixedly connected with pressure spring on the third fixed block, the one end fixedly connected with movable block of third fixed block is kept away from to the pressure spring, the movable block offsets with the one end of second pin rod, the other end fixedly connected with balancing weight of second pin rod, the balancing weight offsets with the bracing piece.
4. A fusible fire damper as claimed in claim 3, wherein: the box outer wall is detachably fixedly connected with a sealing cover, and the second fixing block and the third fixing block are both arranged in the sealing cover.
5. The fusible fire damper of claim 4, wherein: the distance between the end part of the supporting rod in the box body and the fixed pulley is equal to the length of the supporting rod outside the box body.
6. The fusible fire damper of claim 5, wherein: and the bottom of the box body is provided with a mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921799941.0U CN210770484U (en) | 2019-10-24 | 2019-10-24 | Fusing type fire-proof valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921799941.0U CN210770484U (en) | 2019-10-24 | 2019-10-24 | Fusing type fire-proof valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210770484U true CN210770484U (en) | 2020-06-16 |
Family
ID=71066390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921799941.0U Expired - Fee Related CN210770484U (en) | 2019-10-24 | 2019-10-24 | Fusing type fire-proof valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210770484U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113572100A (en) * | 2021-09-25 | 2021-10-29 | 江苏翌强能源设备有限公司 | Fireproof cable bridge with high safety |
-
2019
- 2019-10-24 CN CN201921799941.0U patent/CN210770484U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113572100A (en) * | 2021-09-25 | 2021-10-29 | 江苏翌强能源设备有限公司 | Fireproof cable bridge with high safety |
| CN113572100B (en) * | 2021-09-25 | 2021-11-30 | 江苏翌强能源设备有限公司 | Fireproof cable bridge with high safety |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210770484U (en) | Fusing type fire-proof valve | |
| CN111810034A (en) | Fire-retardant type prevents fire door | |
| KR101264862B1 (en) | System cutoff damper fireproof sector used the temperature fuse | |
| CN204691601U (en) | A kind of band is from the fire resistance rolling shutter door of trigger-type extinguishing device | |
| CN111714811A (en) | Hierarchical firebreak device of data server | |
| CN208756827U (en) | A kind of smothering system for wind-power engine room ventilation opening | |
| CN100526696C (en) | Draw-out type fire-fighting fire-proof valve | |
| CN110553072A (en) | Fire-proof valve for range hood | |
| WO1998054496A1 (en) | Fluid-activatable shut-off device | |
| CN212804439U (en) | High strength and good fire prevention valve of leakproofness | |
| CN205278403U (en) | Novel pipeline fire prevention valve | |
| CN209762366U (en) | Pressure release valve for industrial oil fume purification equipment | |
| CN107989529B (en) | Pass-through track sealing structure based on tunnel fireproof door | |
| CN211525630U (en) | Fire-proof valve | |
| CN202768955U (en) | Fire prevention check valve for flue | |
| CN205823117U (en) | A kind of fire resistance rolling shutter door with anti-hood | |
| CN220418140U (en) | Tempering control device of heating furnace and heating furnace | |
| CN218953093U (en) | Independent smoke-sensing automatic window opening device | |
| CN205226522U (en) | Fireproof valve | |
| CN204972818U (en) | Quick extinguishing device of rolling mill exhaust emission flue | |
| CN210218831U (en) | Fire-proof valve for exhaust duct | |
| CN219177017U (en) | Fireproof valve | |
| CN217003271U (en) | Ventilation fire-retardant valve structure | |
| CN113457044B (en) | Fast-assembling fire prevention keeps off flue gas floodgate | |
| CN219208790U (en) | Building fireproof blocking structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Chongqing HUAZHIGUANG Environmental Protection Technology Co.,Ltd. Assignor: Chongqing xiongji ventilation equipment Co.,Ltd. Contract record no.: X2021980015828 Denomination of utility model: Fuse type fire damper Granted publication date: 20200616 License type: Common License Record date: 20211229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 |