CN109185520A - A kind of fireproof check valve for combined flue - Google Patents
A kind of fireproof check valve for combined flue Download PDFInfo
- Publication number
- CN109185520A CN109185520A CN201811314812.8A CN201811314812A CN109185520A CN 109185520 A CN109185520 A CN 109185520A CN 201811314812 A CN201811314812 A CN 201811314812A CN 109185520 A CN109185520 A CN 109185520A
- Authority
- CN
- China
- Prior art keywords
- check valve
- valve block
- fire prevention
- temperature control
- compression bar
- 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.)
- Granted
Links
- 239000000779 smoke Substances 0.000 claims abstract description 64
- 230000002265 prevention Effects 0.000 claims abstract description 37
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 230000006835 compression Effects 0.000 claims description 40
- 238000007906 compression Methods 0.000 claims description 40
- 230000007246 mechanism Effects 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 230000000505 pernicious effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K17/38—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Flow Control Members (AREA)
Abstract
The present invention provides a kind of fireproof check valve for combined flue, it includes check valve body and temperature control fire prevention executing agency, the check valve body includes mounting base, intake interface and valve block, there is exhaust smoke hole in the middle part of the mounting base, the intake interface and temperature control fire prevention executing agency are separately fixed at the two sides of mounting base, the valve block is installed on the inner peripheral surface of intake interface and with oil smoke impact force size rotation folding in intake interface, based on the above-mentioned technical proposal, when the temperature in common flue reaches preset temperature, temperature control fire prevention executing agency automatically opens and is compressed on valve block, prevent valve block is from freely opening, kitchen ventilator smoke pipe and common flue can effectively be separated, prevent pernicious gas or flame in common flue from entering subscriber household.
Description
Technical field
The invention belongs to flute check valve technical fields, and in particular to a kind of fireproof check valve for combined flue.
Background technique
Check-valves is also known as check valve or non-return valve, and effect is to prevent the oil smoke in flue gas pipeline from blowing back into kitchen, draws
Send out smoke blowing, taint of odour, fire etc., generally using the air outlet tube mouth of the high building family smoke exhaust ventilator of common flue and public gas flue it
Between be provided with check-valves.
Flute check valve used in the prior art is generally made of intake interface and valve block, and valve block utilizes pin shaft rotation peace
Mounted in the air outlet of intake interface, when kitchen ventilator when not in use, since self gravity is in close state, valve block covers valve block
Air port portion；When kitchen ventilator in use, valve block is opened simultaneously separate air outlet by oil smoke impact force, exist in the check-valves use process
Following defect: 1, installation site is limited to very much, can be only installed at the top of air outlet, and cannot be horizontally mounted or be mounted on out
The lower section in air port；2, there are security risks, once fire occurs for a family, a large amount of high-temperature harmful gas pours in public gas flue
In, if cannot close the valve block of check-valves in common flue in time at this time, these a large amount of high-temperature harmful gas can pass through cigarette
The intake interface of road check-valves, which enters on oil smoke circulating direction, to be used in the user family of kitchen ventilator, to threaten resident's
Life security；3, water conservancy diversion cannot be carried out to the oil smoke that family's oil smoke channel is discharged.
Summary of the invention
For the defects in the prior art, the present invention provides that a kind of structure is simple, prevents fires using safe combined flue
Check-valves.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of fireproof check valve for combined flue, including check valve body and temperature control fire prevention executing agency, the check valve body
Including mounting base, intake interface and valve block, there is exhaust smoke hole in the middle part of the mounting base, the intake interface is located at the mounting base
Side and one end of the intake interface be connected on the circumferential surface of the exhaust smoke hole, the valve block is installed on the intake interface
It is rotated on inner peripheral surface and with oil smoke impact force size in the intake interface, temperature control fire prevention executing agency is mounted on the peace
Fill the other side of seat；
When the temperature in common flue is lower than preset temperature, temperature control fire prevention executing agency, which is in, locks the shape that do not work
State, when the temperature in common flue reaches preset temperature, temperature control fire prevention executing agency automatically opens and is compressed on described
On valve block.
As shown from the above technical solution, fireproof check valve for combined flue provided by the invention is in use, work as common flue
When interior temperature reaches temperature control fire prevention executing agency's preset temperature, temperature control fire prevention executing agency automatically opens and is compressed on valve block
On so that valve block is not opened freely by oil smoke impact force size in intake interface, can effectively separate kitchen ventilator smoke pipe with it is public
Flue prevents pernicious gas or flame in common flue from entering in family.
An example according to the present invention further includes the control mechanism for limiting the valve block rotation angle, the control
Mechanism processed and temperature control fire prevention executing agency are located at the same side of the mounting base；The control mechanism includes being fixedly connected
Part, active connection, pin shaft, torsional spring and hinged seat, the upper end of the fixedly connected part are free end, the fixedly connected part
Lower end is fixedly connected with the hinged seat being fixed in the mounting base, and one end of the active connection passes through the pin shaft and institute
State that hinged seat is hinged, the other end of the active connection is fixed on the valve block, and the torsion spring set is set to the pin shaft；
When the valve block is sealed in the intake interface, the torsional spring is in reset state, when the valve block is by described
When oil smoke impact force is opened in intake interface, the torsional spring is in twisted state.
An example according to the present invention, temperature control fire prevention executing agency include fuse body, execute compression bar, two lead
To side plate and two locking springs；
The guiding side plate is parallel to oil smoke circulating direction in flue and is mounted on two opposite insides of the mounting base, each
Guiding side plate oil smoke circulating direction along flue offers guide groove respectively, and the rod body part for executing compression bar is located at two
Between the guiding side plate, and two guide grooves of the corresponding stretching in both ends of the execution compression bar；Each locking spring pair
It should be set to the outside of the guiding side plate, and one end of the locking spring is installed on the end for executing compression bar, the other end
It is installed on the end of the guide groove；The valve block is arranged close to the inlet end of the intake interface, and the execution compression bar is with institute
It states locking spring stretching/reset and slides disengaging/compacting active connection；
When the fuse body is unblown, the locking spring is in tensional state, the end position for executing compression bar
In the guide groove close to the end at oil smoke circulating direction beginning, when fuse body fusing, the execution compression bar is lost
Fuse body control simultaneously drives the execution compression bar to slide into the guide groove close to oil smoke circulation by locking spring reset
The end of direction end is compressed on the valve block by the active connection again at this time.
An example according to the present invention, sloped-end of the guide groove close to oil smoke circulating direction beginning upwardly extend
Extension slot is formed, when the fuse body is unblown, the end for executing compression bar is stretched out from the extension slot.
An example according to the present invention, temperature control fire prevention executing agency further includes the detent being fixed on the valve block
Part, the card-bit part upper surface have laciniation.
An example according to the present invention, the fuse body include fuse link and connection sheet, in the fixedly connected part
Recirculation hole is offered, the fuse link is located at the recirculation hole, and the upper end of the fuse link upper end and the fixedly connected part
Connection, lower end is connect by the connection sheet with the execution compression bar.
An example according to the present invention, it is described to be oriented to the protective cover being provided on side plate for protecting locking spring.
An example according to the present invention further includes the pod above temperature control fire prevention executing agency, described
Pod includes the side block aerofoil being respectively arranged on two guiding side plates and the top for being connected to two side block aerofoils
Wind deflector, the fuse link and or the fixedly connected part upper end be fixed on it is described fend off on aerofoil, two side block wind
Plate, the mounting base, the valve block and aerofoil of fending off surround discharge flue.
An example according to the present invention, the mounting base are set respectively in the opposite two sides of temperature control fire prevention executing agency
It is equipped with positioning spring card.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar appended drawing reference.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is that structure of the fireproof check valve for combined flue that provides of the embodiment of the present invention 1 under normal operating condition is shown
It is intended to；
Fig. 2 is the exploded view of fireproof check valve for combined flue shown in FIG. 1；
Fig. 3 is to execute compression bar after fuse link fusing in Fig. 1 to be compressed on the schematic diagram on valve block；
Fig. 4 is that structure of the fireproof check valve for combined flue that provides of the embodiment of the present invention 2 under normal operating condition is shown
It is intended to；
In appended drawing reference:
10, check valve body；11, mounting base；12, intake interface；13, valve block；
20, temperature control fire prevention executing agency；21, compression bar is executed；22, detent piece；23, it is oriented to side plate；231, guide groove；232,
Extension slot；24, locking spring；25, fuse link；26, connection sheet；27, protective cover；
31, fixedly connected part；311, recirculation hole；32, active connection；33, pin shaft；34, torsional spring；35, hinged seat；
40, pod；41, side block aerofoil；42, it fends off aerofoil；
50, positioning spring card.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention
It encloses.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this hair
The ordinary meaning that bright one of ordinary skill in the art are understood.
In the description of the present application, it is to be understood that term " middle part ", "upper", "lower", "top", "bottom", "inner",
The orientation or positional relationship of the instructions such as "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing this hair
Bright and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation
Construction and operation, therefore be not considered as limiting the invention.
Referring to figs. 1 to Fig. 3, the present embodiment provides a kind of fireproof check valve for combined flue comprising 10 He of check valve body
Temperature control fire prevention executing agency 20, the check valve body 10 include the components such as mounting base 11, intake interface 12 and valve block 13.
Wherein, there is exhaust smoke hole, the intake interface 12 is located at the side of mounting base 11 and should in the middle part of the mounting base 11
One end of intake interface 12 is connected on the circumferential surface of exhaust smoke hole, the valve block 13 be installed on the inner peripheral surface of intake interface 12 and with
Oil smoke impact force size rotates in intake interface 12, and temperature control fire prevention executing agency 20 is mounted on the other side of mounting base 11；
When the temperature in common flue is lower than preset temperature, temperature control prevents fires executing agency 20 in locking off position, when public
When temperature in flue reaches preset temperature, temperature control fire prevention executing agency 20 automatically opens and is compressed on valve block 13.
It in the present invention, further include the control mechanism that angle is rotated for limiting valve block 13, the control mechanism and temperature control
Fire prevention executing agency 20 is located at the same side of mounting base 11, when the oil smoke impact force in intake interface 12 is less than the work of control mechanism
When firmly or temperature control fire prevention executing agency 20 is compressed on valve block 13, valve block 13 is in close state, when in intake interface 12
Oil smoke impact force is greater than the active force of control mechanism and temperature control fire prevention executing agency 20 is in when locking off position, the valve
Piece 13 is opened different angles by the oil smoke impact force size in intake interface 12.
Specifically, as depicted in figs. 1 and 2, the control mechanism includes fixedly connected part 31, active connection 32, pin shaft
33, torsional spring 34 and hinged seat 35, the upper end of the fixedly connected part 31 are free end, the lower end of the fixedly connected part 31 and solid
The hinged seat 35 being scheduled in mounting base 11 is fixedly connected, and one end of the active connection 32 is cut with scissors by pin shaft 33 and hinged seat 35
It connects, the other end of the active connection 32 is fixed on valve block 13, and the torsional spring 34 is sheathed on pin shaft 33；When valve block 13 seals
In intake interface 12, the torsional spring 34 is in reset state, when valve block 13 is opened by oil smoke impact force in intake interface 12,
The torsional spring 34 is in twisted state.
In above-mentioned control mechanism, the structure of the fixedly connected part 31, active connection 32 and hinged seat 35 is more
Kind, it does not limit one by one specifically.
In the present invention, temperature control fire prevention executing agency 20 is various structures, the present embodiment provides it is a kind of cost is relatively low,
Structure better simply temperature control fire prevention executing agency 20.
Specifically, as depicted in figs. 1 and 2, temperature control fire prevention executing agency 20 include fuse body, execute compression bar 21,
Two guiding side plates 23 and two locking springs 24；
The guiding side plate 23 is parallel to oil smoke circulating direction in flue and is mounted on two opposite insides of mounting base 11, each
The guiding oil smoke circulating direction along flue of side plate 23 offers guide groove 231 respectively, and the rod body part for executing compression bar 21 is located at two
It is oriented between side plate 23, and two guide grooves 231 of the corresponding stretching in both ends of the execution compression bar 21, each correspondence of locking spring 24 are set
It is placed in the outside of guiding side plate 23, and one end of the locking spring 24 is installed on the end for executing compression bar 21, the other end is installed on
The end of guide groove 231；Valve block 13 close to intake interface 12 inlet end be arranged, execute compression bar 21 with locking spring 24 stretch/
It resets and slides disengaging/compacting active connection 32；
When fuse body is unblown, the locking spring 24 is in tensional state, and the execution compression bar 21 is located at guiding
Slot 231 is close to the end at oil smoke circulating direction beginning, and when fuse body fusing, the execution compression bar 21 loses fuse body control
It makes and is resetted to drive by locking spring 24 and execute compression bar 21 and slide into guide groove 231 close to the end of oil smoke circulating direction end,
Valve block 13 is compressed on by active connection 32 again at this time.
It, can be by guide groove to reduce the length of intake interface 12 and preventing from executing the normally-open of the influence valve block 13 of compression bar 21
231 sloped-end close to oil smoke circulating direction beginning upwardly extends to form extension slot 232, when fuse body is unblown, institute
The end for stating execution compression bar 21 is stretched out from extension slot 232.
In addition, being compressed on the stability on valve block 13 to guarantee to execute compression bar 21, prevent in subscriber household kitchen ventilator flue
Oil smoke wash valve block 13 open, can by the top edge of guide groove 231 and or the top edge of active connection 32 be processed into zigzag knot
Structure can further increase impact force needed for the oil smoke in family's kitchen ventilator flue washes valve block 13 open in this way, and then effectively separate
Kitchen ventilator smoke pipe and common flue.
To further increase the stability for executing compression bar 21 and being compressed on valve block 13, at least one can be set on valve block 13
Card-bit part 22,22 upper surface of card-bit part have laciniation, at this time card-bit part 22, guide groove 231 and active connection
32 laciniation matches the position stablized and execute compression bar 21, prevents the oil smoke impact force in intake interface 12 from crossing ambassador's lock
Tight spring 24 stretches, and causes to execute the movement of compression bar 21, and then temperature control fire prevention executing agency 20 is made to fail.
In the present embodiment, the mounting base 11 is respectively arranged with positioning in the opposite two sides of temperature control fire prevention executing agency 20
Check-valves can be quickly and easily installed on the exit of subscriber household kitchen ventilator flue by Spring Card 50 in this way.Further to mention
The stability for rising check-valves installation, can open up respectively the screw hole for reinforcing in 11 4 edges of mounting base.
For the usage amount for reducing fuse link 25, the overall cost of check-valves is reduced, the fuse body includes fuse link 25
With connection sheet 26, recirculation hole 311 is offered in the fixedly connected part 31, fuse link 25 is located at recirculation hole 311, and the fusing
25 upper end of piece is connect with the upper end of fixedly connected part 31, and lower end is connect by connection sheet 26 with compression bar 21 is executed, and opens up recirculation hole
311 may make the temperature Fast synchronization of the oil smoke temperature and fuse link 25 in common flue.
As shown in Fig. 2, in the present embodiment, the protection for protecting locking spring 24 is provided on the guiding side plate 23
Cover 27, without limitation, setting protective cover 27 can reduce oil smoke as far as possible and fill to 24 burn into of locking spring the shape of protective cover 27
It fills out, to avoid the failure of locking spring 24.
Fireproof check valve for combined flue working principle provided by the invention is as follows:
Working condition 1: it when the oil smoke temperature in common flue is lower than 25 fusing-off temperature of fuse link, executes compression bar 21 and is melt
Part 25 and connection sheet 26, which tense, to be simultaneously fixed in fixedly connected part 31, and locking spring 24 is in tensional state, valve block 13 by into
Oil smoke impact force size in gas interface 12 controls opening and closing, when the kitchen ventilator in subscriber household is not turned on, in intake interface 12
Oil smoke impact force be zero, self-closed is on intake interface 12 under the action of torsional spring 34 for valve block 13, when in subscriber household
When kitchen ventilator is opened, after the oil smoke impact force in intake interface 12 overcomes the active force of torsional spring 34, so that valve block 13 is opened.
Working condition 2: when the oil smoke temperature in common flue is equal to or more than 25 fusing-off temperature of fuse link, fuse link 25
After execution compression bar 21 loses the pulling force of fuse body, under the action of 24 reset force of locking spring, it is rapid to execute compression bar 21 for fusing
It to the end for sliding to guide groove 221 and is compressed on valve block 13, to effectively separate kitchen ventilator smoke pipe and common flue, prevents from using
Family family smoke pipe is on fire.
In the present embodiment, it is to be understood that oil smoke circulating direction refers to the subscriber household smoke from common flue
For mouth to the direction of atmosphere or clarifier, the fusing-off temperature of the fuse link 25 is the temperature of relevant specification of country defined, i.e., molten
Part 25 156 ° ± 2 ° at a temperature of fuse.
Embodiment 2:
As shown in figure 4, the present embodiment, which is based on embodiment 1, provides a kind of combination variable deflection formula fireproof check valve for flue,
Improvement is: further including the pod 40 positioned at 20 top of temperature control fire prevention executing agency, pod 40 includes being respectively arranged in two
A side block aerofoil 41 being oriented on side plate 23 and the aerofoil 42 of fending off for being connected to two side block aerofoils 41,25 He of fuse link, or it is solid
Determine 31 upper end of connector and be fixed on to fend off on aerofoil 42, two side block aerofoils 41, mounting base 11, valve block 13 and aerofoil 42 of fending off enclose
At discharge flue.
When the kitchen ventilator in subscriber household does not work, the oil smoke in common flue can pass through the smoke evacuation inside and outside pod 40
It discharges fume in channel；When the kitchen ventilator work in subscriber household, the active force of oil smoke can impact opening valve in intake interface 12
Piece 13, the discharge flue in pod 40 mainly arranges the oil smoke in subscriber household, the discharge flue master in 40 outside of pod at this time
The oil smoke in common flue is arranged, quickly the oil smoke in subscriber household can be discharged in this way.In order to improve the water conservancy diversion of pod 40
Oil smoke circulating direction in fend off aerofoil 42 and flue can be arranged to 30 ° -60 ° of angle by effect.
Variable deflection formula fireproof check valve for flue provided in this embodiment not only has fire prevention and distinguished and admirable guiding double action,
And its structure is simple, stability is high, low manufacture cost, and safety coefficient is high.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover within the scope of the claims and the description of the invention.
Claims (10)
1. a kind of fireproof check valve for combined flue, it is characterised in that:
Including check valve body (10) and temperature control fire prevention executing agency (20), the check valve body (10) include mounting base (11), into
Gas interface (12) and valve block (13), mounting base (11) middle part have exhaust smoke hole, and the intake interface (12) is located at the peace
One end of the side and the intake interface (12) that fill seat (11) is connected on the circumferential surface of the exhaust smoke hole, valve block (13) installation
It is rotated on the inner peripheral surface of the intake interface (12) and with the interior oil smoke impact force size of the intake interface (12), the temperature control
Fire prevention executing agency (20) is mounted on the other side of the mounting base (11)；
When the temperature in common flue is lower than preset temperature, temperature control fire prevention executing agency (20), which is in, locks the shape that do not work
State, when the temperature in common flue reaches preset temperature, temperature control fire prevention executing agency (20) automatically opens and is compressed on
On the valve block (13).
2. a kind of fireproof check valve for combined flue according to claim 1, it is characterised in that:
It further include the control mechanism for limiting the valve block (13) rotation angle, the control mechanism is held with temperature control fire prevention
Row mechanism (20) is located at the same side of the mounting base (11)；
The control mechanism includes fixedly connected part (31), active connection (32), pin shaft (33), torsional spring (34) and hinged seat
(35), the upper end of the fixedly connected part (31) is free end, the lower end of the fixedly connected part (31) and is fixed on the peace
Hinged seat (35) on dress seat (11) is fixedly connected, one end of the active connection (32) by the pin shaft (33) with it is described
Hingedly, the other end of the active connection (32) is fixed on the valve block (13) hinged seat (35), torsional spring (34) set
Set on the pin shaft (33)；
When the valve block (13) is sealed in the intake interface (12), the torsional spring (34) is in reset state, when the valve
When piece (13) is opened by the interior oil smoke impact force of the intake interface (12), the torsional spring (34) is in twisted state.
3. a kind of fireproof check valve for combined flue according to claim 2, it is characterised in that:
Temperature control fire prevention executing agency (20) includes fuse body, executes compression bar (21), two guiding side plates (23) and two
Locking spring (24)；
Guiding side plate (23) is parallel to oil smoke circulating direction in flue and is mounted on two opposite insides of the mounting base (11),
Each guiding side plate (23) oil smoke circulating direction along flue offers guide groove (231) respectively, the execution compression bar
(21) rod body part is located between two guiding side plates (23), and both ends two institutes of corresponding stretching of the execution compression bar (21)
State guide groove (231)；Each locking spring (24) is correspondingly arranged in the outside of guiding side plate (23), and the locking bullet
One end of spring (24) is installed on the end for executing compression bar (21), and the other end is installed on the end of the guide groove (231)；Institute
It states the inlet end of valve block (13) close to the intake interface (12) to be arranged, the execution compression bar (21) is with the locking spring (24)
Stretching/reset and slide disengaging/compacting active connection (32)；
When the fuse body is unblown, the locking spring (24) is in tensional state, the end for executing compression bar (21)
Portion is located at end of the guide groove (231) close to oil smoke circulating direction beginning, when fuse body fusing, the execution
Compression bar (21), which loses fuse body control and resetted by the locking spring (24), drives the execution compression bar (21) to slide into institute
The end of guide groove (231) close to oil smoke circulating direction end is stated, is compressed on institute by the active connection (32) again at this time
It states on valve block (13).
4. a kind of fireproof check valve for combined flue according to claim 3, it is characterised in that:
Sloped-end of the guide groove (231) close to oil smoke circulating direction beginning upwardly extends to form extension slot (232), works as institute
State fuse body it is unblown when, it is described execute compression bar (21) end stretched out at the extension slot (232).
5. a kind of fireproof check valve for combined flue according to claim 4, it is characterised in that:
The top edge of the guide groove (231) and or the active connection (32) top edge have laciniation.
6. a kind of fireproof check valve for combined flue according to claim 5, it is characterised in that:
Temperature control fire prevention executing agency (20) further includes the card-bit part (22) being fixed on the valve block (13), the card-bit part
(22) upper surface has laciniation.
7. a kind of fireproof check valve for combined flue according to claim 6, it is characterised in that:
The fuse body includes fuse link (25) and connection sheet (26), offers recirculation hole on the fixedly connected part (31)
(311), the fuse link (25) is located at the recirculation hole (311), and fuse link (25) upper end and the fixedly connected part
(31) upper end connection, lower end is connect by the connection sheet (26) with the execution compression bar (21).
8. a kind of fireproof check valve for combined flue according to claim 7, it is characterised in that:
The protective cover (27) for protecting locking spring (24) is provided on guiding side plate (23).
9. a kind of fireproof check valve for combined flue according to claim 7 or 8, it is characterised in that:
It further include the pod (40) above temperature control fire prevention executing agency (20), the pod (40) includes difference
It the side block aerofoils (41) that are installed on two guiding side plate (23) and is connected to two side block aerofoil (41) and fends off
Aerofoil (42), the fuse link (25) and or the fixedly connected part (31) upper end be fixed on it is described fend off on aerofoil (42), two
A side block aerofoil (41), the mounting base (11), the valve block (13) and aerofoil of fending off (42) surround discharge flue.
10. a kind of fireproof check valve for combined flue according to claim 9, it is characterised in that:
The mounting base (11) is respectively arranged with positioning spring card in the opposite two sides of temperature control fire prevention executing agency (20)
(50)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811314812.8A CN109185520B (en) | 2018-11-06 | 2018-11-06 | Combined type flue fireproof check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811314812.8A CN109185520B (en) | 2018-11-06 | 2018-11-06 | Combined type flue fireproof check valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109185520A true CN109185520A (en) | 2019-01-11 |
| CN109185520B CN109185520B (en) | 2024-05-07 |
Family
ID=64941956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811314812.8A Active CN109185520B (en) | 2018-11-06 | 2018-11-06 | Combined type flue fireproof check valve |
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| Country | Link |
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| CN (1) | CN109185520B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067883A (en) * | 2019-05-23 | 2019-07-30 | 陈开兵 | A kind of oil-smoke-exhausting fireproof check valve |
| CN110360353A (en) * | 2019-08-12 | 2019-10-22 | 纪呈孟 | A kind of fireproof check valve of draught flue |
| CN112901830A (en) * | 2021-01-09 | 2021-06-04 | 丁宇 | Fireproof flue check valve |
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| GB683922A (en) * | 1949-09-05 | 1952-12-10 | Alfred Joseph Langham | A new or improved apparatus for controlling the draught produced by the chimneys or flues of furnaces, boilers, stoves or kilns |
| EP1029558A1 (en) * | 1999-02-17 | 2000-08-23 | Wilhelm Paul Strulik | Fire protection valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110067883A (en) * | 2019-05-23 | 2019-07-30 | 陈开兵 | A kind of oil-smoke-exhausting fireproof check valve |
| CN110067883B (en) * | 2019-05-23 | 2024-06-14 | 陈开兵 | Fire-proof check valve for discharging fume |
| CN110360353A (en) * | 2019-08-12 | 2019-10-22 | 纪呈孟 | A kind of fireproof check valve of draught flue |
| CN112901830A (en) * | 2021-01-09 | 2021-06-04 | 丁宇 | Fireproof flue check valve |
| CN112901830B (en) * | 2021-01-09 | 2023-02-03 | 丁宇 | Fireproof flue check valve |
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| CN109185520B (en) | 2024-05-07 |
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