CN107525116A - Fire-preventing check valve and central cooking fume control equipment - Google Patents
Fire-preventing check valve and central cooking fume control equipment Download PDFInfo
- Publication number
- CN107525116A CN107525116A CN201710944112.6A CN201710944112A CN107525116A CN 107525116 A CN107525116 A CN 107525116A CN 201710944112 A CN201710944112 A CN 201710944112A CN 107525116 A CN107525116 A CN 107525116A
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- China
- Prior art keywords
- fire
- valve
- lock
- lock core
- check valve
- Prior art date
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- Granted
Links
- 238000010411 cooking Methods 0.000 title claims abstract description 14
- 239000003517 fume Substances 0.000 title claims abstract description 13
- 230000002265 prevention Effects 0.000 claims abstract description 46
- 239000000779 smoke Substances 0.000 claims abstract description 43
- 239000006096 absorbing agent Substances 0.000 claims abstract description 32
- 239000006233 lamp black Substances 0.000 claims abstract description 32
- 238000009826 distribution Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 21
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 5
- 239000003546 flue gas Substances 0.000 abstract description 5
- 238000003892 spreading Methods 0.000 abstract description 5
- 210000003739 neck Anatomy 0.000 description 28
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000004079 fireproofing Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
-
- 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
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Check Valves (AREA)
Abstract
The invention provides a kind of fire-preventing check valve and central cooking fume control equipment, it is related to firebreak device technical field.The fire-preventing check valve includes valve element, the both ends of valve element are respectively connecting portion and fire prevention portion, the inwall in fire prevention portion is installed with lock box, connector is articulated with lock box, the free end of connector is connected with valve block, lock box is provided with lock core and fuse link, and elastic component is connected between lock core and lock box, and connector is provided with ringent neck；The central cooking fume control equipment includes lampblack absorber and above-mentioned fire-preventing check valve, and smoke exhaust pipe is communicated between the outlet flue and connecting tube of lampblack absorber.When fire occurring in common flue, fuse link fuses automatically, and lock core locks connector and valve block under the pulling force effect of elastic component, enters kitchen so as to reduce flue gas and fire spreading in common flue, flameproof effect is good.
Description
Technical field
The present invention relates to firebreak device technical field, more particularly to a kind of fire-preventing check valve and central cooking fume control equipment.
Background technology
The manufacturing process of Chinese tradition cooking culture includes pan-fried, stir-fry, fried, roasting etc., is generated during making food greatly
The oil smoke of amount, and not only the environmental pollution to kitchen is more serious for oil smoke, and also kitchen operation personnel stay in oil smoke surroundings for a long time
It is larger to body harm, serious, or even cancer can be suffered from, therefore, lampblack absorber is widely used among kitchen, lampblack absorber system
The electrical equipment of caused oil smoke etc when family kitchen is cooked for exhaustion.
During using lampblack absorber, the smoke exhaust pipe of lampblack absorber connects with the common flue set in building, in order to reduce or even keep away
The oil smoke exempted from common flue enters kitchen by smoke exhaust pipe recharge, and people can typically be set between smoke exhaust pipe and common flue
One fire-preventing check valve, on the one hand, the oil smoke recharge that can be reduced in common flue enters kitchen；On the other hand, when in flue
During generation fire, it is possible to reduce in flue the intensity of a fire along smoke exhaust pipe spread into kitchen the occurrence of.Existing fire prevention non-return
Valve, typically stop that the intensity of a fire, or partial fire-preventing check valve are provided with abutting extension spring by the way that valve block is sagging under gravity,
But the setting needs artificial control manually, timely and effectively prevents that fire difficulty is larger.
That is, the flameproof effect of existing fire-preventing check valve is poor.
The content of the invention
It is an object of the invention to provide a kind of fire-preventing check valve and central cooking fume control equipment, to solve in the prior art
The technical problem of existing fire-preventing check valve flameproof effect difference.
Fire-preventing check valve provided by the invention, including valve element, the valve element is interior to be provided with first passage, the both ends of the valve element
Respectively connecting portion and fire prevention portion, the inwall in the fire prevention portion is detachable to be installed with lock box, and connection is articulated with the lock box
Part, one end of the connector are articulated on the lock box, and the other end is detachable to be connected with valve block, the shape of the valve block with
The opening shape in the fire prevention portion matches；The connector is provided with ringent neck, and the lock box is provided with lock core, institute
State and fuse link is installed with lock box, and be limited in for the lock core to be fixed outside the slewing area of the neck；The lock
Elastic component is connected between box and the lock core, the elastic component is used to drive the lock core to enter in the neck.
Further, the lock box is provided with the guide groove of bar shaped, and the both ends of the guide groove are respectively fixing end and lock
Tight end, the neck are corresponding with the locking end；The fuse link is provided with through hole, and the through hole is consolidated with the guide groove
Fixed end is corresponding, and the lock core sequentially passes through the guide groove and the through hole；The lock box is provided with fixture block, the elastic component
Including extension spring, one end of the extension spring is connected with the fixture block, and the other end is connected with the lock core, and the extension spring is used to pull institute
State locking end motion of the lock core towards the guide groove.
Further, when the lock core is caught in the opening of the neck, between the neck and the guide groove formed with
Angle.
Further, the lock box includes the first locking plate and the second locking plate that are correspondingly arranged, and the guide groove is two, and two
The individual guide groove is correspondingly arranged on first locking plate and second locking plate respectively；The fuse link is located at described first
Between locking plate and second locking plate；The fixture block is two, and is located at first locking plate and the second locking plate phase respectively
On two outer walls of the back of the body, the extension spring is also accordingly two, and one of them extension spring connects one end end of the lock core, separately
One extension spring connects the other end end of the lock core.
Further, first locking plate and second locking plate are fixed together by connection sheet.
Further, rotary shaft, one end of the connector are articulated between first locking plate and second locking plate
It is movably set between the rotary shaft, torsion spring is arranged with the rotary shaft, the torsion spring is used to drive the connector court
Rotated to the connecting portion direction of the first passage.
Further, the opening in the valve element fire prevention portion, which bends inwards, flange, from it on the madial wall of the valve block
Edge is provided inwardly with the tapered portion of ring-type.
Further, in addition to connecting tube and valve seat, one end of the connecting tube are provided with the first connecting seat, the valve element
The openend of connecting portion is provided with the second connecting seat, and second connecting seat matches and linked together with first connecting seat
Contiguous block is formed, the valve seat is provided with embedding groove, and the embedding groove matches with the contiguous block.
Further, multiple locking members, multiple locking members circumference along the valve seat point are articulated with the valve seat
Distribution is dissipated, the locking member is used to unclamp or lock the contiguous block.
Fire-preventing check valve of the present invention has the beneficial effect that：
Fire-preventing check valve provided by the invention, including the valve element that is connected for the smoke exhaust pipe with lampblack absorber and for plugging valve
The valve block that core is isolated, valve element is interior to be provided with the lock box for being used for each structure of fixing internal, is articulated with lock box for band moving valve plate
The connector of motion, being movably equipped with for locking connector and then locking valve block to play the lock core of fireproofing function on lock box,
Lock box is provided with the fuse link for being used for fixing the lock core, is additionally provided with for pulling lock core to be caught in neck to lock the bullet of connector
Property part.
During normal work, valve element is arranged on the wall of common flue, and the connecting portion of valve element and the smoke exhaust pipe of lampblack absorber connect
Logical, the fire prevention portion of valve element connects with common flue, and the fire prevention portion end that valve block is fastened on valve element blocks to valve element, to reduce
Oil smoke in common flue, which pours in down a chimney, is fixed on lock core on lock box into kitchen, fuse link, and positioned at turn of neck on connector
Outside dynamic scope, lock core does not influence the rotation of connection sheet.When lampblack absorber works, the blower fan system of lampblack absorber is by the oil smoke in kitchen
Suck in smoke exhaust pipe, oil smoke promotes valve block when entering valve element, valve block moves out and space is produced between the end in fire prevention portion, oil
Cigarette enters in common flue from the gap, wherein, valve block does not depart from valve element under the connection of connector；Lampblack absorber stops work
Make, valve block is no longer influenced by the thrust of oil smoke, is returned to initial position, is fastened on the fire prevention portion end of valve element.
During without using lampblack absorber, valve block is fastened on the fire prevention portion end of valve element, public when fire occurs in common flue
Temperature raises in flue, and fuse link meets the position that high temperature fusing no longer limits lock core, and lock core leads under the pulling force effect of elastic component
Cross the openend of neck on connector to be caught in neck, connector lock spacing, accordingly locking is fastened on valve element to valve block
The end in fire prevention portion, is blocked to valve element, and connector is locked by lock core, and valve block can not accordingly move, so as to reduce public cigarette
Flue gas and fire spreading in road enter kitchen, play automatic fire prevention effect, and flameproof effect is good.
It is another object of the present invention to provide a kind of central cooking fume control equipment, including lampblack absorber and above-mentioned fire prevention to stop
Valve is returned, is communicated with smoke exhaust pipe between the outlet flue of the lampblack absorber and the connecting tube, the central cooking fume control equipment has upper
State all technique effects of fire-preventing check valve.
Central cooking fume control equipment of the invention has the beneficial effect that：
Central cooking fume control equipment provided by the invention, including for aspirate in kitchen the lampblack absorber of oil smoke with for connecting
The smoke exhaust pipe of lampblack absorber and the fire-preventing check valve of common flue, valve block on fire-preventing check valve are realizing in smoke exhaust pipe that oil smoke can be with
On the basis of inputting in common flue, valve element can be blocked automatically to reduce the recharge of oil smoke in common flue；It is public
When fire occurring in flue, fuse link fuses automatically, and lock core locks connector and valve block under the pulling force effect of elastic component, so as to
Reduce flue gas and fire spreading in common flue and enter kitchen, flameproof effect is good.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the three dimensional structure diagram that fire-preventing check valve provided in an embodiment of the present invention is arranged on wall；
Fig. 2 is the three dimensional structure diagram of fire-preventing check valve provided in an embodiment of the present invention；
Fig. 3 is the exploded perspective view of fire-preventing check valve provided in an embodiment of the present invention；
Fig. 4 is the structural representation of each part of valve core inside in Fig. 2；
Fig. 5 is the schematic diagram for having in fire-preventing check valve provided in an embodiment of the present invention between guide groove and neck angle；
Fig. 6 is the close-up schematic view of A in Fig. 5；
Section when Fig. 7 coordinates for the sealing of the fire prevention portion of fire-preventing check valve middle valve plate provided in an embodiment of the present invention and valve body
Schematic cross-sectional view.
Icon：1- valve elements；2- lock boxes；3- connectors；4- valve blocks；5- fuse links；6- lock cores；7- connecting tubes；
8- valve seats；11- connecting portions；The connecting seats of 111- second；12- fire prevention portion；121- flange；21- guide grooves；22- fixture blocks；
23- extension springs；The locking plates of 24- first；The locking plates of 25- second；26- connection sheets；27- rotary shafts；28- torsion springs；31- necks；
41- tapered portion；The connecting seats of 71- first；81- embedding grooves；82- locking members.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second " are only
For descriptive purposes, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
The present embodiment provides a kind of fire-preventing check valve, and as Figure 1-Figure 4, including valve element 1, valve element 1 are interior logical provided with first
Road, the both ends of valve element 1 are respectively connecting portion 11 and fire prevention portion 12, and the inwall in fire prevention portion 12 is detachable to be installed with lock box 2, lock box
Connector 3 is articulated with 2, one end of connector 3 is articulated on lock box 2, and the other end is detachable to be connected with valve block 4, valve block 4
Shape and the opening shape in fire prevention portion 12 match；Connector 3 is provided with ringent neck 31, and lock box 2 is provided with lock core 6,
Fuse link 5 is installed with lock box 2, and is limited in for lock core 6 to be fixed outside the slewing area of neck 31；Lock box 2 and lock core 6
Between be connected with elastic component, elastic component is used to drive lock core 6 to enter in neck 31.
The fire-preventing check valve that the present embodiment provides, including the valve element 1 that is connected for the smoke exhaust pipe with lampblack absorber and for sealing
The valve block 4 that stifled valve element 1 is isolated, valve element 1 is interior to be provided with the lock box 2 for being used for each structure of fixing internal, is articulated with and is used on lock box 2
The connector 3 moved with moving valve plate 4, it is movably equipped with lock box 2 for locking connector 3 and then locking valve block 4 to play fire prevention
The lock core 6 of effect, lock box 2 are provided with the fuse link 5 for being used for fixing the lock core 6, are additionally provided with for pulling lock core 6 to be caught in neck 31
It is interior to lock the elastic component of connector 3.
During normal work, valve element 1 is arranged on the wall of common flue, the connecting portion 11 of valve element 1 and the smoke evacuation of lampblack absorber
Pipe connects, and the fire prevention portion 12 of valve element 1 connects with common flue, and the end of fire prevention portion 12 that valve block 4 is fastened on valve element 1 is entered to valve element 1
Row closure, is poured in down a chimney into kitchen, lock core 6 is fixed on lock box 2 by fuse link 5, and is located at the oil smoke reduced in common flue
On connector 3 outside the slewing area of neck 31, lock core 6 does not influence the rotation of connection sheet 26.When lampblack absorber works, lampblack absorber
Blower fan system is by the oil smoke suction smoke exhaust pipe in kitchen, and oil smoke promotes valve block 4 when entering valve element 1, and valve block 4 is moved out and prevented
Space is produced between the end in fiery portion 12, oil smoke enters in common flue from the gap, wherein, company of the valve block 4 in connector 3
Connect down and do not depart from valve element 1；Lampblack absorber is stopped, and valve block 4 is no longer influenced by the thrust of oil smoke, is returned to initial position, is fastened on
The end of fire prevention portion 12 of valve element 1.
During without using lampblack absorber, valve block 4 is fastened on the end of fire prevention portion 12 of valve element 1, when fire occurs in common flue,
Temperature raises in common flue, and fuse link 5 meets the position that high temperature fusing no longer limits lock core 6, and lock core 6 is made in the pulling force of elastic component
Along guide groove 21 from fixing end to locking end motion under, pass through the opening of neck 31 on connector 3 in the motion process of lock core 6
End is caught in neck 31, connector 3 lock spacing, and accordingly locking is fastened on the end in the fire prevention portion 12 of valve element 1 to valve block 4,
Valve element 1 is blocked, connector 3 is locked by lock core 6, and valve block 4 can not accordingly move, so as to reduce the flue gas in common flue
And fire spreading enters kitchen, automatic fire prevention effect is played, flameproof effect is good.
In the present embodiment, as shown in Figure 1-Figure 3, lock box 2 is provided with the guide groove 21 of bar shaped, the both ends point of guide groove 21
Not Wei fixing end and locking end, neck 31 is corresponding with locking end；Fuse link 5 is provided with through hole, and through hole is consolidated with guide groove 21
Fixed end is corresponding, and lock core 6 sequentially passes through guide groove 21 and through hole；Lock box 2 is provided with fixture block 22, and elastic component includes extension spring 23, draws
One end of spring 23 is connected with fixture block 22, and the other end is connected with lock core 6, and extension spring 23 is used to pull lock core 6 towards the lock of guide groove 21
Tight end motion.Here it is that fuse link 5 lock core 6 is fixed the neck 31 that spacing and elastic component pulls the snap-fit connection members 3 of lock core 6
Interior connector 3 to be fixed a kind of spacing concrete form, specifically, during normal use, lock core 6 is fixed on by fuse link 5
The fixing end of guide groove 21, connector 3 and valve block 4 can be with normal works；During without using lampblack absorber, the neck 31 on connector 3
Opening in guide groove 21 locking end it is corresponding, when in common flue occur fire when, fuse link 5 meet high temperature fusing, lock
Core 6 slides to locking end under the pulling of extension spring 23 along guide groove 21 from fixing end, and the neck 31 for entering connector 3 is interior to even
Fitting 3 and valve block 4 are locked, and are completed to meet locking of the high temperature to valve block 4, are played fireproofing function.The structure can be realized automatically
Fire prevention, it is not necessary to which manual operation, flameproof effect are good.
In the present embodiment, as shown in Figure 5 and Figure 6, when lock core 6 is caught in the opening of neck 31, neck 31 and guide groove 21 it
Between could be formed with angle.When connector 3 rotates towards the direction of lock box 2, on tumbler the open at one end of neck 31 first with
Lock box is overlapping about 2, and now, the place length direction of neck 31 forms angle with the place length direction of guide groove 21, and lock core 6 is being drawn
Continue the locking end motion to guide groove 21 under the pulling force effect of spring 23, under the restriction effect of lock core 6, connector 3 is with card
Groove 31 constantly moves to the direction close to lock box 2, and accordingly, connector 3 moves with moving valve plate 4 towards the direction of valve element 1, valve block 4
Fastening between the end of 1 fire prevention portion of valve element 12 is even closer, and closure of the valve block 4 to valve element 1 is more tight, further reduces public
The occurrence of itself and flame of flue interior edge enter kitchen by valve element 1 altogether, so as to improve the fire protecting performance of fire-preventing check valve.
In the present embodiment, as shown in Figures 2 and 3, lock box 2 can include the first locking plate 24 and the second locking plate being correspondingly arranged
25, guide groove 21 is two, and two guide grooves 21 are correspondingly arranged on the first locking plate 24 and the second locking plate 25 respectively；Fuse link 5
Between the first locking plate 24 and the second locking plate 25；Fixture block 22 is two, and respectively positioned at the first locking plate 24 and second lock
On two opposite outer walls of piece 25, corresponding extension spring 23 is also two, and one of extension spring 23 connects one end end of lock core 6, separately
One extension spring 23 connects the other end end of lock core 6.Lock core 6 sequentially passes through the guide groove on the first locking plate 24 and the second locking plate 25
21, and lock core protrudes two ends of guide groove 21 and tensed respectively by two extension springs 23 about 6, fuse link 5 is fixedly arranged on the first lock
The middle part of lock core 6 is fixed between the locking plate 25 of piece 24 and second it is spacing, when fuse link 5 meets high temperature fusing, the two of lock core 6
Slided, can be effectively carried along guide groove 21 under the limitation of two guide grooves 21 by the tension of two extension springs 23 in individual end
The stability that high lock core 6 slides on lock box 2, reduce the one end of lock core 6 and tensed due to unbalance stress and shifted by extension spring 23
The occurrence of blocking, or even being slipped out of guide groove 21, it is ensured that clamping of the lock core 6 to neck 31 on connector 3 limits during high temperature
System, realizes its fire-proof function.
Specifically, in the present embodiment, as shown in figure 3, the first locking plate 24 and the second locking plate 25 can be solid by connection sheet 26
It is connected together.First locking plate 24 and the second locking plate 25 are fixed together by connection sheet 26, the first locking plate 24 and the second lock
Relative position between piece 25 is immobilized, and individually the first locking plate 24 and the second locking plate 25 are fixed on inside valve element 1 with reducing
When, the corresponding fixation difficulty of guide groove 21；Specifically, the first locking plate 24, the locking plate 25 of connection sheet 26 and second can be integrated
Shaping, the later stage processes guide groove 21 and fixture block 22 simultaneously on the first locking plate 24 and the second locking plate 25, to reduce difficulty of processing,
Reduce production cost.
In the present embodiment, as shown in figure 3, rotary shaft 27 can be articulated between the first locking plate 24 and the second locking plate 25,
One end of connector 3 is movably set between rotary shaft 27, and torsion spring 28 is arranged with rotary shaft 27, and torsion spring 28 is used for drive connection
Part 3 rotates towards the direction of connecting portion 11 of first passage.Here it is a kind of concrete form that connector 3 is articulated on lock box 2, no
During using lampblack absorber, in the effect of torsion spring 28, connector 3 can be driven to be rotated towards the direction of the connecting portion 11 of valve element 1, accordingly
, valve block 4 moves towards the end of 1 fire prevention portion of valve element 12 with connector 3, so that it is guaranteed that during without using lampblack absorber, valve block 4 and valve
The end of 1 fire prevention portion of core 12 is in tightening state, to realize closure of the valve block 4 to valve element 1, reduces oil smoke recharge in common flue and enters
The occurrence of entering kitchen.
In the present embodiment, as shown in fig. 7, can be bent inwards in the opening in the fire prevention portion 12 of valve element 1 has flange 121, valve
The tapered portion 41 of ring-type is provided inwardly with the madial wall of piece 4 from its edge.The opening of 1 fire prevention portion of valve element 12 is provided with flange 121,
On the one hand, it is possible to reduce the acuity of the end of fire prevention portion 12, form rounded edges, the oil smoke in valve element 1 can be played and led
To effect, the smoothness that oil smoke exports fire prevention portion 12 is improved；On the other hand, the setting of flange 121 can effectively improve fire prevention portion
The intensity of 12 ends, the occurrence of reducing its stress deformation.The madial wall of valve block 4 is provided with tapered portion 41, and tapered portion 41 is with preventing
The open at one end in fiery portion 12 matches, and the free end area of section of tapered portion 41 is smaller, is got over closer to the area of section of valve block 4
Greatly, when valve block 4 moves towards fire prevention portion 12, the openend in fire prevention portion 12, a side are first inserted in the end of the free end of tapered portion 41
Face, tapered portion 41 can play guide effect to the fastening in valve block 4 and fire prevention portion 12；On the other hand, the taper surface of tapered portion 41
Coordinate with the round and smooth flange 121 in fire prevention portion 12, closure sealing is stronger.
In the present embodiment, as shown in Figure 1-Figure 3, fire-preventing check valve can also include connecting tube 7 and valve seat 8, connecting tube 7
One end be provided with the first connecting seat 71, the openend of the connecting portion 11 of valve element 1 is provided with the second connecting seat 111, the second connecting seat 111
Match with the first connecting seat 71 and be joined together to form contiguous block, valve seat 8 is provided with embedding groove 81, and embedding groove 81 is with being connected
Block matches.In use, the second connecting seat 111 of the first connecting seat 71 of connecting tube 7 and valve element 1 first can be connected to one
Rise, specifically, can be attached by threaded fastener to the two；Valve seat 8, which is inlayed, to be fixed on the wall of common flue, will
Through the through hole at the middle part of valve seat 8, contiguous block is embedded in the embedding groove 81 on valve seat 8 valve element 1, and contiguous block is fixed i.e.
Can, now, valve element 1 is located in common flue, and connecting tube 7 is located at outside common flue, in use, by the smoke exhaust pipe of lampblack absorber with
Connecting tube 7 connects.Put fire-preventing check valve be damaged needs overhaul or change when, only contiguous block need to be dismantled from valve seat 8
Get off, fire-preventing check valve is installed, convenient disassembly, improves the property easy to use of fire-preventing check valve.
Specifically, in the present embodiment, as shown in Fig. 2 multiple locking members 82, multiple lockings can be articulated with valve seat 8
Circumferential dispersed distribution of the part 82 along valve seat 8, locking member 82 are used to unclamp or lock contiguous block.Specifically, locking member 82 can wrap
Rotation section and card-tight part are included, the position of card-tight part can be controlled by rotation lock part 82, when needing installation to be fixedly connected with block,
Rotation lock part 82, card-tight part is set to be located at outside embedding groove 81, after contiguous block is embedded in embedding groove 81, rotation lock part
82, card-tight part is turned on embedding groove 81 and carries out that clamping is spacing to connector 3, the locking member 82 of multiple dispersed distributions can be right
Multiple positions progress clamping of contiguous block is spacing, can effectively improve the degree of being connected firmly between contiguous block and valve seat 8；Need to tear open
It is similar when unloading connecting tube 7 and valve element 1, rotation lock part 82, card-tight part is deviateed embedding groove 81, remove connecting tube 7 and valve element
1.The setting of locking member 82 make it that the installation of valve element 1 and connecting tube 7, dismounting are more convenient, so as to improve fire prevention non-return
The degree easy to use of valve.
In order to improve the intensity of the first connecting seat 71 and the second connecting seat 111, in the present embodiment, the first connecting seat 71 and
Two connecting seats 111 can outward bending formed with flange 121.
The present embodiment also provides a kind of central cooking fume control equipment, including lampblack absorber and above-mentioned fire-preventing check valve, lampblack absorber
Outlet flue and the connecting tube 7 between be communicated with smoke exhaust pipe.
The central cooking fume control equipment that the present embodiment provides, including for aspirating in kitchen the lampblack absorber of oil smoke and for even
The smoke exhaust pipe of logical lampblack absorber and the fire-preventing check valve of common flue, the valve block 4 on fire-preventing check valve are realizing oil smoke in smoke exhaust pipe
On the basis of can inputting in common flue, valve element 1 can be blocked automatically to reduce the recharge of oil smoke in common flue；
When fire occurring in common flue, fuse link 5 fuses automatically, and lock core 6 locks connector 3 and valve under the pulling force effect of extension spring 23
Piece 4, enter kitchen so as to reduce flue gas and fire spreading in common flue, flameproof effect is good.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in previous embodiment, either which part or all technical characteristic are equal
Replace；And these modifications or replacement, the essence of appropriate technical solution is departed from the model of technical scheme of the embodiment of the present invention
Enclose.
Claims (10)
1. a kind of fire-preventing check valve, it is characterised in that including valve element (1), first passage, the valve are provided with the valve element (1)
The both ends of core (1) are respectively connecting portion (11) and fire prevention portion (12), and the inwall of the fire prevention portion (12) is detachable to be installed with lock
Box (2), connector (3) is articulated with the lock box (2), one end of the connector (3) is articulated on the lock box (2), separately
One end is detachable to be connected with valve block (4), and the shape of the valve block (4) and the opening shape of the fire prevention portion (12) match；
The connector (3) is provided with ringent neck (31), and the lock box (2) is provided with lock core (6), the lock box (2)
On be installed with fuse link (5), and for the lock core (6) fixation to be limited in outside the slewing area of the neck (31)；Institute
State and elastic component is connected between lock box (2) and the lock core (6), the elastic component is used to drive described in the lock core (6) entrance
In neck (31).
2. fire-preventing check valve according to claim 1, it is characterised in that the lock box (2) is provided with the guide groove of bar shaped
(21), the both ends of the guide groove (21) are respectively fixing end and locking end, and the neck (31) is corresponding with the locking end；
The fuse link (5) is provided with through hole, and the through hole is corresponding with the fixing end of the guide groove (21), the lock core (6) according to
It is secondary to pass through the guide groove (21) and the through hole；The lock box (2) is provided with fixture block (22), and the elastic component includes extension spring
(23), one end of the extension spring (23) is connected with the fixture block (22), and the other end is connected with the lock core (6), the extension spring
(23) it is used to pull locking end motion of the lock core (6) towards the guide groove (21).
3. fire-preventing check valve according to claim 2, it is characterised in that the lock core (6) is caught in the neck (31)
During opening, formed with angle between the neck (31) and the guide groove (21).
4. fire-preventing check valve according to claim 2, it is characterised in that the lock box (2) includes first be correspondingly arranged
Locking plate (24) and the second locking plate (25), the guide groove (21) are two, and two guide grooves (21) are correspondingly arranged in respectively
On first locking plate (24) and second locking plate (25)；The fuse link (5) be located at first locking plate (24) with it is described
Between second locking plate (25)；The fixture block (22) is two, and is located at first locking plate (24) and second locking plate respectively
(25) on two opposite outer walls, the corresponding extension spring (23) is also two, and one of them described extension spring (23) connects the lock
One end end of core (6), another extension spring (23) connect the other end end of the lock core (6).
5. fire-preventing check valve according to claim 4, it is characterised in that first locking plate (24) and second locking plate
(25) it is fixed together by connection sheet (26).
6. fire-preventing check valve according to claim 4, it is characterised in that first locking plate (24) and second locking plate
(25) rotary shaft (27) is articulated between, one end of the connector (3) is movably set between the rotary shaft (27), described
Torsion spring (28) is arranged with rotary shaft (27), the torsion spring (28) is used to drive the connector (3) towards the first passage
Connecting portion (11) direction rotate.
7. according to the fire-preventing check valve any one of claim 1-6, it is characterised in that valve element (1) the fire prevention portion
(12) opening, which bends inwards, flange (121), is provided inwardly with the cone of ring-type on the madial wall of the valve block (4) from its edge
Shape portion (41).
8. according to the fire-preventing check valve any one of claim 1-6, it is characterised in that also including connecting tube (7) and valve
Seat (8), one end of the connecting tube (7) are provided with the first connecting seat (71), and the openend of the connecting portion (11) of the valve element (1) is set
There is the second connecting seat (111), second connecting seat (111) matches with first connecting seat (71) and the shape that links together
Into contiguous block, the valve seat (8) is provided with embedding groove (81), and the embedding groove (81) matches with the contiguous block.
9. fire-preventing check valve according to claim 8, it is characterised in that be articulated with multiple locking members on the valve seat (8)
(82), circumferential dispersed distribution of multiple locking members (82) along the valve seat (8), the locking member (82) are used to unclamp or lock
The tight contiguous block.
10. a kind of central cooking fume control equipment, it is characterised in that including the fire prevention non-return described in lampblack absorber and claim 8 or 9
Valve, smoke exhaust pipe is communicated between the outlet flue of the lampblack absorber and the connecting tube (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710944112.6A CN107525116B (en) | 2017-10-11 | 2017-10-11 | Fireproof check valve and central oil smoke purifying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710944112.6A CN107525116B (en) | 2017-10-11 | 2017-10-11 | Fireproof check valve and central oil smoke purifying equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107525116A true CN107525116A (en) | 2017-12-29 |
| CN107525116B CN107525116B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710944112.6A Active CN107525116B (en) | 2017-10-11 | 2017-10-11 | Fireproof check valve and central oil smoke purifying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107525116B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194671A (en) * | 2018-01-12 | 2018-06-22 | 杭州老板电器股份有限公司 | Check-valves and central cooking fume control equipment |
| CN109737470A (en) * | 2019-01-28 | 2019-05-10 | 浙江蓝炬星电器有限公司 | A kind of integrated kitchen range flue anti-backflow device and its installation method |
| CN110836281A (en) * | 2018-08-19 | 2020-02-25 | 杭州小米环境科技有限公司 | Fireproof check valve |
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| US4059125A (en) * | 1973-11-06 | 1977-11-22 | Nobuyuki Sugimura | Pressure container with an injection valve provided with a fusible valve member |
| US3981317A (en) * | 1974-02-12 | 1976-09-21 | Strulik Wilhelm P | Flame-arresting or smoke-clearing valve device operating by closure and opening respectively |
| CN201558429U (en) * | 2009-12-08 | 2010-08-25 | 上海同汇混凝土制品有限公司 | Side open type fireproofing check valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194671A (en) * | 2018-01-12 | 2018-06-22 | 杭州老板电器股份有限公司 | Check-valves and central cooking fume control equipment |
| CN108194671B (en) * | 2018-01-12 | 2024-04-26 | 杭州老板电器股份有限公司 | Check valve and central oil smoke clarification plant |
| CN110836281A (en) * | 2018-08-19 | 2020-02-25 | 杭州小米环境科技有限公司 | Fireproof check valve |
| CN109737470A (en) * | 2019-01-28 | 2019-05-10 | 浙江蓝炬星电器有限公司 | A kind of integrated kitchen range flue anti-backflow device and its installation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107525116B (en) | 2024-03-22 |
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