CN111364732A - Fireproof flue - Google Patents
Fireproof flue Download PDFInfo
- Publication number
- CN111364732A CN111364732A CN202010280754.2A CN202010280754A CN111364732A CN 111364732 A CN111364732 A CN 111364732A CN 202010280754 A CN202010280754 A CN 202010280754A CN 111364732 A CN111364732 A CN 111364732A
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- Prior art keywords
- flue
- baffle
- fire
- fireproof
- temperature sensing
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/02—Vertical ducts; Channels, e.g. for drainage for carrying away waste gases, e.g. flue gases; Building elements specially designed therefor, e.g. shaped bricks or sets thereof
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
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Abstract
The invention discloses a fireproof flue, which comprises a flue, wherein the upper end and the lower end of the flue are both opened, a plurality of fireproof pieces are arranged in the flue along the length direction of the flue, each fireproof piece comprises a baffle positioned in the flue, rotating shafts are arranged in the middles of the two opposite ends of the baffle, the two rotating shafts are both rotatably connected with the inner wall of the flue, the baffle rotates along with the rotating shafts, one rotating shaft penetrates through the flue and is fixedly connected with one end of a linkage rod, and the other end of the linkage rod is obliquely upward and is rotatably connected with the side surface of a connecting rod when the baffle is vertically arranged; when a fire disaster happens to the fireproof flue, the interior of the flue is divided into a plurality of mutually isolated cavities, and after one or more isolated cavities burn for a period of time, the oxygen in the isolated cavities is consumed, and the oxygen is not supported during burning, so that the burning in the isolated cavities is extinguished, the spreading and the expansion of the fire disaster are avoided, and the fireproof performance of the flue is improved; and the maintenance is convenient, the structure is simple, the cost is low, and the popularization is easy.
Description
Technical Field
The invention relates to the technical field of flues, in particular to a fireproof flue.
Background
At present, a plurality of smoke exhaust ventilators are arranged in kitchens of public restaurants such as hotels, institutions, schools, factories and commercial restaurants, oil smoke is discharged through public flues, pipelines are generally formed by processing sheet iron, the oil smoke can be condensed and adhered to a large amount of oil dirt on the inner walls of the flues when passing through the flues, the oil dirt can be accumulated to form jelly with high viscosity and firmly adhered to the inner walls of the flues after being heated, once the jelly in the flues meets open fire, the fire is easy to cause, and the chain fire outside the flues can be caused.
When a fire disaster occurs in a kitchen, flame is easily sucked into a flue by a range hood, and related personnel cannot simultaneously extinguish the fire of the kitchen and the flue when the fire disaster occurs, so that the fire disaster of the flue is spread and expanded; and the flue length is longer, and it is inconvenient to put out a fire.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the existing defects and provide a fireproof flue, when a fire disaster happens, the inside of the flue is divided into a plurality of mutually isolated cavities, after one or more isolated cavities burn for a period of time, the oxygen in the isolated cavities is consumed, and the oxygen is not supported during combustion, so that the combustion in the isolated cavities is extinguished, the fire disaster is prevented from spreading and expanding, and the fireproof performance of the flue is improved; the device is convenient to maintain, simple in structure, low in cost and easy to popularize, and can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a fire prevention flue, includes inside hollow flue, and the upper and lower both ends of flue are all opened and are set up, install a plurality of fire prevention pieces along its length direction in the flue.
The fire prevention spare is including being located the baffle in the flue, and the pivot is all installed at the middle part at the relative both ends of baffle, and two pivots all rotate with the flue inner wall and be connected, and the baffle is rotatory along with the pivot, and one of them pivot runs through the flue and with the one end fixed connection of trace, the other end slant of trace just is rotated with the side of connecting rod when the baffle is vertical to be connected.
The flue corresponds the position of baffle lower extreme and has seted up the mounting hole, and the mounting hole internal seal is fixed with joint spare, and the temperature sensing ball is installed to the inboard of joint spare, and temperature sensing ball restriction baffle turns to the level.
The fire-proof part further comprises a lower frame and an upper frame which are fixed on the inner wall of the flue, when the baffle is in a horizontal state, one half of the baffle is in contact with the lower surface of the upper frame, the other half of the lower frame is in contact with the upper surface of the lower frame, and the lower frame, the upper frame and the horizontally arranged baffle are divided into the flue.
As a preferable technical scheme of the invention, the lower frame and the upper frame are both U-shaped frames, and the openings of the lower frame and the upper frame are oppositely arranged.
As a preferred technical solution of the present invention, the length of the baffle corresponding to the lower frame is smaller than the length of the baffle corresponding to the upper frame.
As a preferred technical scheme of the invention, the outer side of the clamping piece is provided with a limiting rod, and the limiting rod is contacted with the upper side of the linkage rod when the linkage rod inclines upwards.
As a preferred technical scheme of the invention, the clamping piece is a fireproof metal plate or a fireproof composite material plate, and the side edge of the clamping piece is clamped with the mounting hole on the flue.
As a preferred technical scheme of the invention, the clamping piece is a fireproof metal plate or a fireproof composite material plate, the mounting hole in the flue is a threaded hole, and the side surface of the clamping piece is provided with an external thread matched with the threaded hole.
In a preferred embodiment of the present invention, the temperature-sensing bulb includes a sealed glass container, and the sealed glass container is filled with a temperature-sensing liquid.
As a preferred technical scheme, the temperature sensing device further comprises a fire-resistant soft rope and a balancing weight, the fire-resistant soft rope penetrates through the inner side and the outer side of the clamping piece, one end, located inside the flue, of the fire-resistant soft rope is fixedly connected with the outer side of the temperature sensing ball, one end, located outside the flue, of the fire-resistant soft rope is fixedly connected with one end of the positioning rod, the balancing weight can move up and down along the connecting rod, a clamping groove is formed in the position, corresponding to the positioning rod, of the balancing weight, one end, far away from the fire-resistant soft rope, of the positioning rod is arranged in an inclined upward mode and clamped with.
As a preferred technical scheme of the present invention, the limiting member is a limiting plate or a limiting block, and the limiting member is fixed at the lower end of the connecting rod.
As a preferable technical scheme of the invention, a bulge is arranged at the position of the fire-resistant soft rope close to the temperature sensing ball.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the fireproof flue disclosed by the invention, when a fire disaster happens, the interior of the flue is divided into a plurality of mutually isolated cavities, and after one or more isolated cavities burn for a period of time, the oxygen in the isolated cavities is consumed, and the oxygen is not supported during combustion, so that the combustion in the isolated cavities is extinguished, the spreading and expansion of the fire disaster are avoided, and the fireproof performance of the flue is improved; and the maintenance is convenient, the structure is simple, the cost is low, and the popularization is easy.
2. According to the fireproof flue disclosed by the invention, when a fire disaster occurs in the flue, the temperature sensing ball bursts and does not prevent the baffle from rotating any more, the gravity of the connecting rod provides a counterclockwise rotating driving force for the baffle through the linkage rod and the rotating shaft of the baffle, the baffle rotates to be horizontal, the lower frame and the upper frame enable the baffle to be kept horizontal when the fire disaster occurs, and the flue is completely shielded by the lower frame, the upper frame and the horizontal baffle as shown in fig. 8.
3. According to the fireproof flue disclosed by the invention, the connecting rod drives the plurality of fireproof pieces to synchronously change the state, so that the flue is divided into the plurality of mutually isolated cavities, and after one or more isolated cavities are combusted for a period of time, the oxygen in the isolated cavities is consumed, and the oxygen is not supported during combustion, so that the combustion in the isolated cavities is extinguished.
4. According to the fireproof flue disclosed by the invention, the baffle is smaller than the cross section of the inner wall of the flue in the horizontal state, and the baffle does not contact with the inner wall of the flue when rotating in the horizontal state, so that the situation that the baffle is blocked by jelly to rotate to the horizontal state, the lower frame and the upper frame limit the baffle to be horizontal when a fire disaster occurs, and the internal sealing effect of the flue is improved when the lower frame, the upper frame and the baffle are matched.
5. According to the fireproof flue disclosed by the invention, when the length of the lower frame corresponding to the baffle is smaller than the length of the upper frame corresponding to the baffle, the impact force on the lower frame part corresponding to the baffle when deflagration occurs is smaller than the impact force on the upper frame part corresponding to the baffle, the baffle cannot rotate clockwise, and the baffle is self-locked, so that the reverse rotation of the baffle when deflagration occurs in the flue is avoided, and the reliability of the fireproof flue is improved.
6. According to the fireproof flue disclosed by the invention, the clamping piece is conveniently installed on the installation hole on the flue, and the temperature sensing ball is convenient to replace.
7. According to the fireproof flue disclosed by the invention, the temperature sensing ball is broken, the balancing weight enables the positioning rod to drive the fireproof soft rope to move, the position of the balancing weight is not limited by the positioning rod, the balancing weight moves downwards and impacts the limiting piece, and the balancing weight gives an impact force to the connecting rod through the limiting piece, so that the rotating shaft is impacted to rotate, and the normal rotation of the baffle is ensured; and the gravity borne by the connecting rod and the balancing weight also gives an acting force for keeping the baffle horizontal.
8. According to the fireproof flue disclosed by the invention, the temperature sensing ball is a control piece for rotating the baffle and is also a control piece for moving the balancing weight downwards, so that the baffle and the balancing weight only move successively when the temperature sensing ball bursts, and the fireproof performance of the fireproof flue is improved.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of a partial cross-sectional structure of the flue of FIG. 1;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is a schematic bottom view of the present invention;
FIG. 5 is a schematic top view of the lower frame, the upper frame and the baffle of the present invention;
FIG. 6 is a schematic bottom view of the lower frame, the upper frame and the baffle of the present invention;
FIG. 7 is a schematic front view of the frame, the upper frame and the baffle of the present invention;
FIG. 8 is a schematic view of the horizontal structure of the baffle of the present invention;
fig. 9 is an enlarged view of the structure at B of fig. 8.
In the figure: the device comprises a linkage rod 1, a flue 2, a connecting rod 3, a limiting rod 4, a balancing weight 5, a limiting part 6, a clamping part 7, a lower frame 8, a baffle 9, an upper frame 10, a temperature sensing ball 11, a protrusion 12, a positioning rod 13, a clamping groove 14 and a fire-resistant soft rope 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows: referring to fig. 1-9, the present embodiment discloses a fire-proof flue, which includes a hollow flue 2, both upper and lower ends of the flue 2 are open, a lower end of the flue 2 is connected to an air outlet of a smoke extractor, and a plurality of fire-proof members are installed in the flue 2 along a length direction thereof.
The fire prevention piece is including being located the baffle 9 in flue 2, and the pivot is all installed at the middle part at the relative both ends of baffle 9, and two pivots all rotate with 2 inner walls of flue and be connected, and baffle 9 is rotatory along with the pivot, and one of them pivot run through flue 2 and with the one end fixed connection of trace 1, and the other end slant of trace 1 is upwards just rotated through round pin axle, pivot or universal joint with the side of connecting rod 3 when baffle 9 is vertical to be connected.
The flue 2 corresponds the position of baffle 9 lower extreme and has seted up the mounting hole, and the mounting hole internal seal is fixed with joint spare 7, and temperature sensing ball 11 is installed to the inboard of joint spare 7, and temperature sensing ball 11 restriction baffle 9 keeps vertical during normal use, is parallel with the axis of flue 2 promptly.
The fire prevention piece is still including fixing lower frame 8 and last frame 10 on 2 inner walls of flue, and during the 9 horizontality of baffle, the lower surface contact of half of baffle 9 and last frame 10, the upper surface contact of half of baffle 9 and lower frame 8, inside flue 2 was cut apart to baffle 9 that lower frame 8, last frame 10 and level set up.
Furthermore, the outside of the clamping piece 7 is provided with a limiting rod 4, and the limiting rod 4 and the linkage rod 1 are contacted with each other at the upper side when inclining upwards.
Further, the temperature-sensing bulb 11 includes a sealed glass container, and the sealed glass container is filled with a temperature-sensing liquid.
The bulb 11 is typically found in fire fighting pipelines and contains a quantity of temperature sensing liquid that is sensitive to heat within a sealed glass container. The delivery port is plugged up through sealed the pad to temperature sensing ball 11 in the fire control, and when the conflagration breaing out, the ambient temperature that temperature sensing ball 11 was located rises, and temperature sensing liquid receives the grow of thermal expansion volume to lead to the rising of sealed glass container internal pressure, and when exceeding the maximum pressure numerical value that sealed glass container can bear, sealed glass container bursts, and sealed pad loses to support and drops, and the delivery port water spray puts out a fire.
When a fire breaks out in the flue 2, the fire generally spreads from bottom to top, and preferably, the temperature sensing ball 11 and the clamping piece 7 are close to the lower part of the flue 2.
The working process and principle of the embodiment are as follows:
as shown in figure 1, figure 2, figure 3 and figure 4 during the initial time, baffle 9 is vertical to be set up, and the gravity of connecting rod 3 passes through trace 1, baffle 9's pivot this moment and gives baffle 9 a anticlockwise rotation's drive power, and joint spare 7 is connected with flue 2's mounting hole, and temperature sensing ball 11 and baffle 9 contact restriction baffle 9 anticlockwise turn to the level, thereby baffle 9 keeps vertical assurance flue 2's smooth fume extraction.
When a fire breaks out in the flue 2, the temperature sensing liquid in the temperature sensing ball 11 exceeds the maximum bearing pressure of the sealed glass container, the temperature sensing ball 11 bursts, the temperature sensing ball 11 does not stop the rotation of the baffle 9 any more, the gravity of the connecting rod 3 gives a driving force for anticlockwise rotation to the baffle 9 through the connecting rod 1 and the rotating shaft of the baffle 9, the baffle 9 rotates to be horizontal, the lower frame 8 and the upper frame 10 keep the baffle 9 horizontal when the fire breaks out, and the flue 2 is completely shielded by the lower frame 8, the upper frame 10 and the horizontal baffle 9 as shown in fig. 8.
And connecting rod 3 drives a plurality of fire prevention pieces and changes the state in step, makes flue 2 cut apart into a plurality of isolated cavities that each other are isolated, takes place burning a period of time back in one or more isolated cavities wherein, along with the oxygen in the isolated cavity is exhausted, thereby burning lacks oxygen and supports and make the burning in the isolated cavity extinguish.
After the fireproof flue is changed from a conducting state to a closing state, the oil press cannot discharge oil smoke outwards, and related personnel see that the oil smoke in a kitchen cannot be discharged, then close all range hoods and check the flue 2.
The related personnel push the connecting rod 3 upwards, the connecting rod 3 drives the related baffle 9 to be changed into a vertical state from a horizontal state through the linkage rod 1, the related personnel replace the new clamping piece 7 and the temperature sensing ball 11, and the new temperature sensing ball 11 restricts the baffle 9 to keep the vertical state again; preferably, after a fire occurs, the cooking bench stops working for a period of time, all the range hoods idle for a period of time, so that the temperature in the flue 2 is reduced, and the re-combustion in the flue 2 is prevented.
When baffle 9 is vertical, the last side contact when gag lever post 4 and trace 1 slope upwards avoids baffle 9 clockwise rotation.
Example two: as shown in fig. 5, 6 and 7, the present embodiment discloses a fireproof flue, which has a structure substantially the same as that of the first embodiment, except that the lower frame 8 and the upper frame 10 are both U-shaped frames, and their openings are opposite.
Further, the length of the baffle plate 9 corresponding to the lower frame 8 is smaller than the length of the baffle plate 9 corresponding to the upper frame 10.
The working process and principle of the embodiment are as follows:
when the detonation happens in the flue 2, the baffle 9 is under large pressure, the part of the baffle 9 corresponding to the lower frame 8 is easy to impact and rotate clockwise, so that a plurality of mutually isolated cavities divided by the flue 2 by the baffle 9 are communicated, and the flame is spread in the flue 2.
But when the length that baffle 9 corresponds lower frame 8 was less than the length that baffle 9 corresponds last frame 10, the impact force that baffle 9 corresponds 8 parts of lower frame received was less than the impact force that baffle 9 corresponds 10 parts of last frame when taking place the detonation, and baffle 9 can not clockwise rotate, and baffle 9 forms the auto-lock to the reversal of baffle 9 when avoiding taking place the detonation in flue 2 improves this fire prevention flue's reliability.
Example three: as shown in fig. 3 and 9, the present embodiment discloses a fireproof flue, which has a structure substantially the same as that of the first embodiment, except that the clamping member 7 of the present embodiment is a fireproof metal plate or a fireproof composite plate, and the side edge of the clamping member 7 is clamped with the mounting hole of the flue 2; the clamping piece 7 is convenient to install on the installation hole in the flue 2, and the temperature sensing ball 11 is convenient to replace.
Example four: as shown in fig. 3 and 9, the present embodiment discloses a fireproof flue, which has a structure substantially the same as that of the first embodiment, except that the clamping member 7 of the present embodiment is a fireproof metal plate or a fireproof composite plate, the mounting hole on the flue 2 is a threaded hole, and the side surface of the clamping member 7 is provided with an external thread adapted to the threaded hole; the clamping piece 7 is convenient to install on the installation hole in the flue 2, and the temperature sensing ball 11 is convenient to replace.
Example five: as fig. 3, fig. 8 and fig. 9 show, this embodiment discloses a fire prevention flue, its structure is roughly the same with the structure of embodiment one, the difference lies in, this embodiment still includes fire-resistant soft rope 15 and balancing weight 5, fire-resistant soft rope 15 runs through the inside and outside both sides of joint spare 7, the length that fire-resistant soft rope 15 is located inside and outside flue 2 can stimulate the change, and fire-resistant soft rope 15 is located the inside one end of flue 2 and the outside fixed connection of temperature sensing ball 11, fire-resistant soft rope 15 is located the outside one end of flue 2 and the one end fixed connection of locating lever 13, balancing weight 5 can follow connecting rod 3 and reciprocate, and balancing weight 5 has seted up joint groove 14 corresponding to the position of locating lever 13, the one end that fire-resistant soft rope 15 was kept away from to locating lever 13 sets up to one side and with joint groove 14 joint, install locating part 6 on the connecting rod.
The limiting part 6 is a limiting plate or a limiting block, and the limiting part 6 is fixed at the lower end of the connecting rod 3.
The position of the fire-resistant soft rope 15 close to the temperature sensing ball 11 is provided with a bulge 12.
Preferably, the weight 5 is a metal block or a cement block.
Preferably, the counterweight block 5 is provided with a vertical sliding hole or a vertical clamping sliding groove which is matched with the connecting rod 3.
Preferably, the diameter of the fire-resistant flexible rope 15 is 1 mm-mm.
The working process and principle of the embodiment are as follows:
the oil dirt is accumulated after being heated to form jelly with larger viscosity, the jelly can be stuck between the rotating shaft of the baffle 9 and the inner wall of the flue 2, and the rotating shaft and the inner wall of the flue 2 are connected into a whole by the jelly; when related personnel are dredged to check, the jelly prevents the rotating shaft from rotating when the temperature sensing ball 11 is broken, the baffle 9 cannot be driven to rotate by the gravity of the connecting rod 3, and the baffle 9 cannot be changed from a vertical state to a horizontal state in time, so that the spreading of fire is caused.
When the fire-resistant soft rope 15 is located the inside one end of flue 2 and the outside fixed connection of temperature sensing ball 11, the length that fire-resistant soft rope 15 is located outside flue 2 is unchangeable, locating lever 13 is kept away from the one end slant setting of fire-resistant soft rope 15 and with joint groove 14 joint, balancing weight 5 receives gravity, and balancing weight 5 gives 15 an outside pulling force of fire-resistant soft rope through locating lever 13, but the length that fire-resistant soft rope 15 is located outside flue 2 is unchangeable, balancing weight 5's rigidity.
When a fire disaster happens, the temperature sensing ball 11 is broken, the balancing weight 5 enables the positioning rod 13 to drive the fire-resistant soft rope 15 to move, the position of the balancing weight 5 is not limited by the positioning rod 13, the balancing weight 5 moves downwards and collides with the limiting part 6, and the balancing weight 5 gives an impact force to the connecting rod 3 through the limiting part 6, so that the rotating shaft is impacted and rotated, and the normal rotation of the baffle 9 is ensured.
The diameter of the fire-resistant flexible rope 15 is small, the fire-resistant flexible rope 15 is less resistant to the jelly, and the fire-resistant flexible rope 15 is preferably a single steel wire.
The protrusion 12 prevents the fire-resistant cord 15 from escaping from the perforations in the clip 7, thereby preventing outside air from entering the flue 2 through the perforations and keeping the flue 2 sealed and isolated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a fire prevention flue, includes inside hollow flue (2), the upper and lower both ends of flue (2) are all opened and are set up its characterized in that: a plurality of fireproof pieces are arranged in the flue (2) along the length direction;
the fireproof part comprises a baffle (9) positioned in the flue (2), rotating shafts are mounted in the middle of two opposite ends of the baffle (9), the two rotating shafts are rotatably connected with the inner wall of the flue (2), the baffle (9) rotates along with the rotating shafts, one rotating shaft penetrates through the flue (2) and is fixedly connected with one end of the linkage rod (1), and the other end of the linkage rod (1) is obliquely upward and is rotatably connected with the side face of the connecting rod (3) when the baffle (9) is vertically arranged;
flue (2) correspond the position of baffle (9) lower extreme and have seted up the mounting hole, and the mounting hole internal seal is fixed with joint spare (7), and temperature sensing ball (11) are installed to the inboard of joint spare (7), and temperature sensing ball (11) restriction baffle (9) turn to the level, 2 the fire prevention spare is still including fixing lower frame (8) and last frame (10) on flue (2) inner wall, and during baffle (9) horizontality, the lower surface contact of half of baffle (9) and last frame (10), the upper surface contact of half of lower frame (8) and lower frame (8), last frame (10) and baffle (9) that the level set up cut apart inside flue (2).
2. A fire protection flue as claimed in claim 1, wherein: the lower frame (8) and the upper frame (10) are both U-shaped frames, and the openings of the lower frame and the upper frame are arranged oppositely.
3. A fire protection flue as claimed in claim 2, wherein: the length of the baffle (9) corresponding to the lower frame (8) is less than that of the baffle (9) corresponding to the upper frame (10).
4. A fire protection flue as claimed in claim 1, wherein: the limiting rod (4) is arranged on the outer side of the clamping piece (7), and the limiting rod (4) is contacted with the upper side of the linkage rod (1) when the linkage rod is inclined upwards.
5. A fire protection flue as claimed in claim 1, wherein: the clamping piece (7) is a fireproof metal plate or a fireproof composite material plate, and the side edge of the clamping piece (7) is clamped with the mounting hole in the flue (2).
6. A fire protection flue as claimed in claim 1, wherein: the clamping piece (7) is a fireproof metal plate or a fireproof composite material plate, the mounting hole in the flue (2) is a threaded hole, and the side face of the clamping piece (7) is provided with an external thread matched with the threaded hole.
7. A fire protection flue as claimed in claim 1, wherein: the temperature sensing ball (11) comprises a sealed glass container, and temperature sensing liquid is filled in the sealed glass container.
8. A fire protection flue according to claims 1-7, characterized in that: still include fire-resistant rope (15) and balancing weight (5), fire-resistant rope (15) run through the inside and outside both sides of joint spare (7), and fire-resistant rope (15) are located the outside fixed connection of the inside one end of flue (2) and temperature sensing ball (11), fire-resistant rope (15) are located the outside one end of flue (2) and the one end fixed connection of locating lever (13), connecting rod (3) can be followed in balancing weight (5) and reciprocate, and joint groove (14) have been seted up to balancing weight (5) position that corresponds locating lever (13), locating lever (13) keep away from the one end slant of fire-resistant rope (15) and set up and with joint groove (14) joint, install locating part (6) on connecting rod (3), locating part (6) are located the below of balancing weight (5).
9. A fire protection flue according to claim 8, wherein: the limiting piece (6) is a limiting plate or a limiting block, and the limiting piece (6) is fixed at the lower end of the connecting rod (3).
10. A fire protection flue according to claim 8, wherein: the position of the fire-resistant soft rope (15) close to the temperature sensing ball (11) is provided with a bulge (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010280754.2A CN111364732B (en) | 2020-04-10 | 2020-04-10 | Fireproof flue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010280754.2A CN111364732B (en) | 2020-04-10 | 2020-04-10 | Fireproof flue |
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| Publication Number | Publication Date |
|---|---|
| CN111364732A true CN111364732A (en) | 2020-07-03 |
| CN111364732B CN111364732B (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010280754.2A Active CN111364732B (en) | 2020-04-10 | 2020-04-10 | Fireproof flue |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112370683A (en) * | 2020-11-19 | 2021-02-19 | 重庆工程职业技术学院 | Intelligent building fire-proof emergency device |
| CN113605636A (en) * | 2021-07-20 | 2021-11-05 | 安徽安德建筑设计有限公司 | Vertical fire prevention exhaust passage system of housing construction |
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| FI105129B (en) * | 1999-03-31 | 2000-06-15 | Flaekt Oy | Flue gas damper |
| CN201193729Y (en) * | 2008-04-28 | 2009-02-11 | 侯正永 | Fire-preventing check valve |
| CN202274152U (en) * | 2011-09-14 | 2012-06-13 | 吕银华 | Flue fire-proof check valve |
| CN202391081U (en) * | 2012-01-12 | 2012-08-22 | 东北石油大学 | High-rise building flue |
| CN103352555A (en) * | 2013-07-25 | 2013-10-16 | 杭州小米环境科技有限公司 | Guide changing exhausting channel |
| CN207261745U (en) * | 2017-09-14 | 2018-04-20 | 江苏德鹏空调设备有限公司 | A kind of flue fire-preventing check valve |
| CN210240702U (en) * | 2019-08-12 | 2020-04-03 | 江西和泰环境科技有限公司 | High-barrier fireproof valve |
| CN211574348U (en) * | 2019-11-26 | 2020-09-25 | 江苏通月空调有限公司 | Flue fire prevention valve with blade linkage |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112370683A (en) * | 2020-11-19 | 2021-02-19 | 重庆工程职业技术学院 | Intelligent building fire-proof emergency device |
| CN113605636A (en) * | 2021-07-20 | 2021-11-05 | 安徽安德建筑设计有限公司 | Vertical fire prevention exhaust passage system of housing construction |
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| CN111364732B (en) | 2021-12-31 |
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Effective date of registration: 20230710 Address after: 315000 Building 2, No. 8, Xincheng Road, Private Industrial City, Jiangbei District, Ningbo, Zhejiang Patentee after: NINGBO HUANFENG FIRE-FIGHTING TECHNOLOGY Co.,Ltd. Address before: 250001 Fengqi Road, Licheng District, Jinan City, Shandong Province 2888 Patentee before: Yu Shouzhang |
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