CN207230690U - Fire-preventing check valve and central cooking fume control equipment - Google Patents
Fire-preventing check valve and central cooking fume control equipment Download PDFInfo
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- CN207230690U CN207230690U CN201721309356.9U CN201721309356U CN207230690U CN 207230690 U CN207230690 U CN 207230690U CN 201721309356 U CN201721309356 U CN 201721309356U CN 207230690 U CN207230690 U CN 207230690U
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Abstract
The utility model provides a kind of fire-preventing check valve and central cooking fume control equipment, is related to firebreak device technical field.The fire-preventing check valve includes spool, the both ends of spool are respectively connecting portion and fire prevention portion, the end in fire prevention portion is hinged with valve block, valve core upper sleeve is equipped with cover body, fire prevention portion and valve block are provide with the inner by cover body, are equipped with retaining mechanism in cover body, retaining mechanism includes lock sheet, fuse link and elastic component, lock sheet is articulated with inside cover body, and fuse link and elastic component are fixedly arranged on inside cover body；The center cooking fume control equipment includes range hood and above-mentioned fire-preventing check valve, and the smoke exhaust pipe of range hood is connected with connecting portion.Fuse link meets the position that high temperature fusing no longer limits lock sheet, lock sheet rotates under the pulling force effect of elastic component finally compresses valve block, valve block can not rotate under the compression of lock sheet and spool is blocked, enter kitchen so as to reduce flue gas in common flue and fire spreading, play the role of automatic fire prevention, flameproof effect is good.
Description
Technical field
Firebreak device technical field is the utility model is related to, more particularly to a kind of fire-preventing check valve and central fume purifying are set
It is standby.
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 environmental pollution of the oil smoke not only to kitchen is more serious, and also kitchen operation personnel stay in oil smoke surroundings for a long time
It is larger to body harm, it is serious, or even cancer can be suffered from, therefore, kitchen ventilator is widely used among kitchen, kitchen ventilator system
The electric appliance of caused oil smoke etc when family kitchen is cooked for exhaustion.
During using kitchen ventilator, the smoke exhaust pipe of kitchen ventilator is connected 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 generally 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, generally stops that the intensity of a fire, or partial fire-preventing check valve are provided with abutting tension spring by the way that valve block is sagging under the effect of 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.
Utility model content
The purpose of this utility model is to provide a kind of fire-preventing check valve and central cooking fume control equipment, to solve existing skill
The technical problem of fire-preventing check valve flameproof effect difference present in art.
Fire-preventing check valve provided by the utility model, including spool, the both ends of the spool are respectively connecting portion and fire prevention
Portion, the end in the fire prevention portion are hinged with valve block, and the valve block matches with the open-ended of fire prevention portion；On the spool
Cover body is arranged with, the fire prevention portion and the valve block are provide with the inner by the cover body, and retaining mechanism, institute are equipped with the cover body
Stating retaining mechanism includes lock sheet, fuse link and elastic component, and the lock sheet is articulated with inside the cover body, and the fuse link is consolidated
It is located inside the cover body, and for limiting the lock sheet outside the slewing area of the valve block, the elastic component is consolidated
In the cover body, and for driving the lock sheet to compress the valve block.
Further, the retaining mechanism includes fixed pedestal, and the fixed pedestal is detachable to be fixed in the cover body
Inner wall, the lock sheet, the fuse link and the elastic component are arranged on the fixed pedestal.
Further, the end in the fire prevention portion is set for inclined-plane, and the position on the inclined-plane close to the connecting portion is
Articulated section, the position away from the connecting portion is protrusion, and the valve block is articulated with the articulated section；The retaining mechanism
Fixed pedestal is equipped with articulated shaft close to the protrusion, the fixed pedestal, and the lock sheet is sheathed on the articulated shaft,
The axis of the articulated shaft is parallel with the axis of the spool.
Further, the elastic component includes torsional spring, and the torsion spring set is arranged on the articulated shaft.
Further, the retaining mechanism is two, and two retaining mechanisms are symmetrically disposed on the two of the protrusion
Side.
Further, hinged seat is installed with close to the position of the articulated section on the cover body, is hinged on the hinged seat
There is hanging plate, the valve block is fixedly arranged on the free end of the hanging plate.
Further, the connecting portion protrudes the cover body formation boss structure.
Further, the free end of the cover body is installed with connecting seat along its periphery.
Further, the periphery of the lock sheet is equipped with flange.
The utility model fire-preventing check valve has the beneficial effect that：
Fire-preventing check valve provided by the utility model, including the spool that is connected for the smoke exhaust pipe with range hood and be used for
The valve block isolated of closure spool, one end of spool are the connecting portion connected for the smoke exhaust pipe with range hood, the other end
For the fire prevention portion for connecting valve block；Further include for that can be compressed when meeting with fire to valve block, make valve block to spool
The retaining mechanism that fire prevention portion is blocked and the cover body for installation locking mechanism, wherein retaining mechanism include that compression can be rotated
The lock sheet of valve block, the elastic component for valve block being fixed spacing fuse link and for driving lock sheet to rotate.
During normal work, cover body is installed on the wall of common flue, the connecting portion of spool and the smoke exhaust pipe of range hood
Connection, the fire prevention portion of spool are connected with common flue, and the fire prevention portion end that valve block is fastened on spool blocks spool, to subtract
Oil smoke in few common flue pours in down a chimney into kitchen, and fuse link is by inside lock sheet fixed enclosure, and positioned at the rotation model of valve block
Outside enclosing, lock sheet does not influence the rotation of valve block.When range hood works, the blower fan system of range hood is by the oil smoke in kitchen
Suck in smoke exhaust pipe, oil smoke promotes valve block when entering spool, valve block moves out and gap is produced between the end in fire prevention portion, oil
Cigarette enters in common flue from the gap；Range hood is stopped, and 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 spool.
During without using kitchen ventilator, valve block is fastened on the fire prevention portion end of spool, 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 sheet, pulling force effect of the lock sheet in elastic component
Under rotate finally valve block compressed, accordingly locking is fastened on the end in spool fire prevention portion to valve block, and spool is sealed
Stifled, valve block can not rotate under the compression of lock sheet, so that reduce flue gas in common flue and fire spreading enters kitchen,
Acted on to automatic fire prevention, flameproof effect is good.
Another purpose of the utility model is to provide a kind of central cooking fume control equipment, including range hood and above-mentioned
Fire-preventing check valve, the smoke exhaust pipe of the range hood are connected with the connecting portion of the fire-preventing check valve, which sets
Standby all technique effects with above-mentioned fire-preventing check valve.
The utility model center cooking fume control equipment has the beneficial effect that：
Center cooking fume control equipment provided by the utility model, including for aspirating the range hood and use of oil smoke in kitchen
Realized in the valve block on the smoke exhaust pipe of connection range hood and the fire-preventing check valve of common flue, fire-preventing check valve in smoke exhaust pipe
On the basis of oil smoke can be inputted in common flue, spool can be blocked automatically and be returned with reducing oil smoke in common flue
Fill；When fire occurring in common flue, fuse link fuses automatically, and lock sheet locks valve block under the pulling force effect of elastic component, from
And reduce flue gas and fire spreading in common flue and enter kitchen, flameproof effect is good.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, describe below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the exterior three dimensional structure diagram for the fire-preventing check valve that the utility model embodiment provides；
Fig. 2 is that the fire-preventing check valve that the utility model embodiment provides cuts away the interior three-dimensional structural representation after the cover body of part
Figure；
Fig. 3 is the inside three that the fire-preventing check valve that the utility model embodiment provides cuts away another visual angle after the cover body of part
Tie up structure diagram；
Fig. 4 is the three dimensional structure diagram of retaining mechanism in the fire-preventing check valve that the utility model embodiment provides.
Icon：1- spools；2- connecting portions；3- fire prevention portion；4- valve blocks；5- cover bodies；6- retaining mechanisms；7- is hinged
Seat；8- hanging plates；9- connecting seats；31- articulated sections；32- protrusions；61- lock sheets；611- flange；62- fuse links；
63- torsional springs；64- fixed pedestals；65- articulated shafts.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected scope.
, it is necessary to explanation in the description of the utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
The present embodiment provides a kind of fire-preventing check valve, and as shown in figs 2-4, including spool 1, the both ends of spool 1 are respectively
Connecting portion 2 and fire prevention portion 3, the end in fire prevention portion 3 are hinged with valve block 4, and valve block 4 matches with the open-ended of fire prevention portion 3；Spool
Cover body 5 is arranged with 1, fire prevention portion 3 and valve block 4 are provide with the inner by cover body 5, and retaining mechanism 6, retaining mechanism 6 are equipped with cover body 5
Including lock sheet 61, fuse link 62 and elastic component, lock sheet 61 is articulated with inside cover body 5, and fuse link 62 is fixedly arranged in cover body 5
Portion, and be located at for limiting lock sheet 61 outside the slewing area of valve block 4, elastic component is fixedly arranged in cover body 5, and for driving lock
Tight piece 61 compresses valve block 4.
Fire-preventing check valve provided in this embodiment, including the spool 1 that is connected for the smoke exhaust pipe with range hood and be used for
The valve block 4 that closure spool 1 is isolated, one end of spool 1 are the connecting portion 2 connected for the smoke exhaust pipe with range hood, separately
One end is the fire prevention portion 3 for connecting valve block 4；Further include for that can be compressed when meeting with fire to valve block 4, make valve block 4
The retaining mechanism 6 that fire prevention portion 3 to spool 1 is blocked and the cover body 5 for installation locking mechanism 6, wherein retaining mechanism 6 wrap
The lock sheet 61 for compressing valve block 4 can be rotated, for spacing fuse link 62 to be fixed to valve block 4 and is locked for driving by including
The elastic component that piece 61 rotates.
During normal work, cover body 5 is installed on the wall of common flue, the connecting portion 2 of spool 1 and the smoke evacuation of range hood
Pipe connects, and the fire prevention portion 3 of spool 1 is connected with common flue, and 3 end of fire prevention portion that valve block 4 is fastened on spool 1 carries out spool 1
Closure, is poured in down a chimney into kitchen with the oil smoke reduced in common flue, and fuse link 62 is by inside 61 fixed enclosure 5 of lock sheet, and position
Outside the slewing area of valve block 4, lock sheet 61 does not influence the rotation of valve block 4.When range hood works, the wind turbine of range hood
System is by the oil smoke suction smoke exhaust pipe in kitchen, and oil smoke promotes valve block 4 when entering spool 1, and valve block 4 moves out and fire prevention portion
Gap is produced between 3 end, oil smoke enters in common flue from the gap；Range hood is stopped, valve block 4 no longer by
To the thrust of oil smoke, initial position is returned to, is fastened on 3 end of fire prevention portion of spool 1.
During without using kitchen ventilator, valve block 4 is fastened on 3 end of fire prevention portion of spool 1, when fire occurs in common flue,
Temperature raises in common flue, and fuse link 62 meets the position that high temperature fusing no longer limits lock sheet 61, and lock sheet 61 is in elastic component
Pulling force effect under rotate finally valve block 4 compressed, accordingly locking is fastened on the end in 1 fire prevention portion 3 of spool to valve block 4
Portion, blocks spool 1, and valve block 4 can not rotate under the compression of lock sheet 61, thus reduce flue gas in common flue and
Fire spreading enters kitchen, plays the role of automatic fire prevention, and flameproof effect is good.
In the present embodiment, as shown in figs 2-4, retaining mechanism 6 can include fixed pedestal 64, and fixed pedestal 64 is removable
The formula of unloading is fixed in 5 inner wall of cover body, and lock sheet 61, fuse link 62 and elastic component are arranged on fixed pedestal 64.Fixed pedestal 64
Set so that retaining mechanism 6 becomes an independent component, when fire occurs in common flue, fuse link 62 meets high temperature fusing,
Lock sheet 61 is rotated by the driving of elastic component valve block 4 is compressed after, user can be by cover body 5 from common flue
Disassembled on wall, and locking member is disassembled from cover body 5, individually locking member is replaced, replaced
After the completion of, cover body 5 is installed on common flue again, fire-preventing check valve can play the function of automatic fire prevention again.It is fixed
The setting of pedestal 64 so that after fire-preventing check valve plays a role, only replace locking member, it is no longer necessary to stop to whole fire prevention
Return valve to be replaced, greatly reduce the service life of fire-preventing check valve and practical expense.
In the present embodiment, as shown in Fig. 2, the end in fire prevention portion 3 is set for inclined-plane, close to the position of connecting portion 2 on inclined-plane
For articulated section 31, the position away from connecting portion 2 is protrusion 32, and valve block 4 is articulated with articulated section 31；The fixation of retaining mechanism 6
Pedestal 64 is equipped with articulated shaft 65 close to protrusion 32, fixed pedestal 64, and lock sheet 61 is sheathed on articulated shaft 65, articulated shaft 65
Axis it is parallel with the axis of spool 1.Here it is a kind of concrete form that locking mechanism compresses valve block 4, cover body 5 is installed
When, keep the articulated section 31 of spool 1 to be located at tip position, correspondingly, protrusion 32 is located at bottom position, valve block 4 is made in gravity
It can be fastened on the angled end-face in 1 fire prevention portion 3 of spool with lower, fixed pedestal 64 is arranged on the bottom surface of cover body 5, and is located at protrusion
32 side, the axis of the articulated shaft 65 of retaining mechanism 6 is parallel with the axis of spool 1, and lock sheet 61 is rotated around articulated shaft 65
Track is corresponding with the end face in 1 fire prevention portion 3 of spool, the rotary motion trace on 61 top of lock sheet with 4 position of valve block without interference, but
The rotary motion trace of 61 lower part of lock sheet produces interference with 4 position of valve block.When initial, limitation of the lock sheet 61 in fuse link 62
It is located at the side of protrusion 32 down, and turns to upper position, does not influence the rotation of valve block 4；When fire occurs in common flue
When, fuse link 62 is fused by high temperature, and lock sheet 61 is rotated around articulated shaft 65, and while turning to lower position is subject to the resistance of valve block 4
Hinder, the compression so as to fulfill lock sheet 61 to valve block 4 so that valve block 4 plays fireproofing function.
Specifically, in the present embodiment, as shown in figure 4, elastic component can include torsional spring 63, torsional spring 63 is sheathed on articulated shaft 65
On.
In the present embodiment, as shown in Figures 2 and 3, retaining mechanism 6 can be two, and two retaining mechanisms 6 are symmetrically disposed on
The both sides of protrusion 32.Valve block 4 is played pressuring action in the both sides that two retaining mechanisms 6 are symmetricly set on protrusion 32, and one
Aspect, when fire is produced in common flue, two hold-down mechanisms act at the same time compresses valve block 4, can effectively strengthen lock
Tight piece 61 improves the close fastening degree of valve block 4 and 1 anti-fire end of spool, accordingly improves fire prevention and make to the clamping force of valve block 4
With；On the other hand, when one of retaining mechanism 6 breaks down, another retaining mechanism 6 can also play fire prevention and make
With, break down so as to reduce retaining mechanism 6, meet with fire when can not work normally and so that fire-preventing check valve does not have fire prevention
The generation of operative condition, can effectively improve the practicality of fire-preventing check valve.
In the present embodiment, as shown in Figures 2 and 3, position that can be close to articulated section 31 on cover body 5 is installed with hinged seat
7, hanging plate 8 is hinged with hinged seat 7, and valve block 4 is fixedly arranged on the free end of hanging plate 8.Here it is that valve block 4 is articulated with 1 fire prevention portion 3 of spool
A kind of concrete form, and hinged seat 7 is fixedly arranged on the cover body 5 on 31 top of articulated section, the rotation that valve block 4 is rotated around hinged seat 7
Radius is more than the radius of gyration that valve block 4 is directly articulated with 3 articulated section 31 of fire prevention portion, when valve block 4 is rotated by the promotion of cooking fume
Such a to set valve block 4 and the gap bigger of 3 end of fire prevention portion during equal angular, oil smoke inputs more smoothly in common flue.
In the present embodiment, as shown in Figure 1-Figure 3, connecting portion 2 can also protrude cover body 5 and form boss structure.Connecting portion 2
It is connected for the smoke exhaust pipe with range hood, connecting portion 2 protrudes cover body 5 and forms boss structure, can facilitate operating personnel to row
The attended operation of smoke pipe and connecting portion 2, so as to improve the degree easy to use of fire-preventing check valve.
In the present embodiment, as shown in Figure 1-Figure 3, connecting seat 9 can be installed with along its periphery in the free end of cover body 5.Will
When fire-preventing check valve is installed on the wall of common flue, directly the connecting seat 9 on cover body 5 is fixedly connected with wall, is connected
The setting of seat 9, on the one hand, easy to the attended operation of cover body 5 and wall, on the other hand, it is right in 9 city of connecting seat effectively to reduce
The destruction of cover body 5, and the occurrence of influence 5 use intensity of cover body.
In order to improve the use intensity of lock sheet 61, in the present embodiment, as shown in figure 4, can be in the periphery of lock sheet 61
Equipped with flange 611.The setting of flange 611 can improve the intensity at 61 edge of lock sheet, so that reducing lock sheet 61 compresses valve block 4
When occur bending and deformation and do not have pressuring action, and then the occurrence of cause fireproofing function poor.Similar, connecting seat 9
Edge can also be equipped with flange 611.
The present embodiment also provides a kind of central cooking fume control equipment, including range hood and above-mentioned fire-preventing check valve, oil suction
The smoke exhaust pipe of smoke machine is connected with the connecting portion 2 of fire-preventing check valve, which has above-mentioned fire-preventing check valve
All technique effects.
Center cooking fume control equipment provided in this embodiment, including for aspirating the range hood of oil smoke in kitchen and being used for
The smoke exhaust pipe of range hood and the fire-preventing check valve of common flue are connected, the valve block 4 on fire-preventing check valve is being realized in smoke exhaust pipe
On the basis of oil smoke can be inputted in common flue, spool 1 can be blocked automatically to reduce oil smoke in common flue
Recharge；When fire occurring in common flue, fuse link 62 fuses automatically, the lock valve under the pulling force effect of elastic component of lock sheet 61
Piece 4, so that reducing flue gas and fire spreading in common flue enters kitchen, flameproof effect is good.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It can still modify the technical solution described in previous embodiment, either to which part or all technical characteristic
Carry out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from the utility model embodiment
The scope of technical solution.
Claims (10)
1. a kind of fire-preventing check valve, it is characterised in that including spool (1), the both ends of the spool (1) are respectively connecting portion (2)
With fire prevention portion (3), the end of the fire prevention portion (3) is hinged with valve block (4), the end of the valve block (4) and the fire prevention portion (3)
Opening matches；It is arranged with cover body (5) on the spool (1), the cover body (5) is by the fire prevention portion (3) and the valve block (4)
It is provide with the inner, retaining mechanism (6) is equipped with the cover body (5), the retaining mechanism (6) includes lock sheet (61), fuse link
(62) and elastic component, the lock sheet (61) are articulated with the cover body (5) inside, and the fuse link (62) is fixedly arranged on the cover body
(5) it is internal, and be located at for limiting the lock sheet (61) outside the slewing area of the valve block (4), the elastic component is fixed
In the cover body (5), and for driving the lock sheet (61) to compress the valve block (4).
2. fire-preventing check valve according to claim 1, it is characterised in that the retaining mechanism (6) includes fixed pedestal
(64), the fixed pedestal (64) is detachable is fixed in the cover body (5) inner wall, the lock sheet (61), the fuse link
(62) it is arranged on the elastic component on the fixed pedestal (64).
3. fire-preventing check valve according to claim 2, it is characterised in that the end of the fire prevention portion (3) is set for inclined-plane,
Position on the inclined-plane close to the connecting portion (2) is articulated section (31), and the position away from the connecting portion (2) is protrusion
(32), the valve block (4) is articulated with the articulated section (31)；The fixed pedestal (64) of the retaining mechanism (6) is close to described
Protrusion (32), the fixed pedestal (64) are equipped with articulated shaft (65), and the lock sheet (61) is sheathed on the articulated shaft
(65) on, the axis of the articulated shaft (65) is parallel with the axis of the spool (1).
4. fire-preventing check valve according to claim 3, it is characterised in that the elastic component includes torsional spring (63), the torsion
Spring (63) is sheathed on the articulated shaft (65).
5. fire-preventing check valve according to claim 3, it is characterised in that the retaining mechanism (6) is two, described in two
Retaining mechanism (6) is symmetrically disposed on the both sides of the protrusion (32).
6. according to the fire-preventing check valve any one of claim 3-5, it is characterised in that close to institute on the cover body (5)
The position for stating articulated section (31) is installed with hinged seat (7), and hanging plate (8) is hinged with the hinged seat (7), and the valve block (4) is solid
Arranged on the free end of the hanging plate (8).
7. according to the fire-preventing check valve any one of claim 1-5, it is characterised in that the connecting portion (2) protrudes institute
State cover body (5) and form boss structure.
8. according to the fire-preventing check valve any one of claim 1-5, it is characterised in that the free end of the cover body (5)
Connecting seat (9) is installed with along its periphery.
9. according to the fire-preventing check valve any one of claim 1-5, it is characterised in that outside the lock sheet (61)
Week is equipped with flange (611).
10. a kind of center cooking fume control equipment, it is characterised in that including any one of range hood and claim 1-9
Fire-preventing check valve, the smoke exhaust pipe of the range hood connects with the connecting portion (2) of the fire-preventing check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721309356.9U CN207230690U (en) | 2017-10-12 | 2017-10-12 | Fire-preventing check valve and central cooking fume control equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721309356.9U CN207230690U (en) | 2017-10-12 | 2017-10-12 | Fire-preventing check valve and central cooking fume control equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207230690U true CN207230690U (en) | 2018-04-13 |
Family
ID=61851391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721309356.9U Active CN207230690U (en) | 2017-10-12 | 2017-10-12 | Fire-preventing check valve and central cooking fume control equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207230690U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488445A (en) * | 2018-06-26 | 2018-09-04 | 盐城市百世达建材有限公司 | A kind of fire-preventing check valve |
| CN108708997A (en) * | 2018-07-03 | 2018-10-26 | 东莞市金尔来电子科技有限公司 | A kind of valve |
| CN109838603A (en) * | 2019-03-18 | 2019-06-04 | 李永彬 | Oil-smoke-exhausting fireproof check valve |
| CN110067883A (en) * | 2019-05-23 | 2019-07-30 | 陈开兵 | A kind of oil-smoke-exhausting fireproof check valve |
| CN110345528A (en) * | 2019-04-26 | 2019-10-18 | 杭州老板电器股份有限公司 | Locking device and fume purifier of fume |
| CN110440036A (en) * | 2019-07-19 | 2019-11-12 | 广州市法玉环保科技有限公司 | A kind of fire-preventing check valve |
-
2017
- 2017-10-12 CN CN201721309356.9U patent/CN207230690U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488445A (en) * | 2018-06-26 | 2018-09-04 | 盐城市百世达建材有限公司 | A kind of fire-preventing check valve |
| CN108488445B (en) * | 2018-06-26 | 2023-12-22 | 盐城市百世达建材有限公司 | Fireproof check valve |
| CN108708997A (en) * | 2018-07-03 | 2018-10-26 | 东莞市金尔来电子科技有限公司 | A kind of valve |
| CN109838603A (en) * | 2019-03-18 | 2019-06-04 | 李永彬 | Oil-smoke-exhausting fireproof check valve |
| CN109838603B (en) * | 2019-03-18 | 2020-05-22 | 李永彬 | Oil smoke discharging fireproof check valve |
| CN110345528A (en) * | 2019-04-26 | 2019-10-18 | 杭州老板电器股份有限公司 | Locking device and fume purifier of fume |
| CN110067883A (en) * | 2019-05-23 | 2019-07-30 | 陈开兵 | A kind of oil-smoke-exhausting fireproof check valve |
| CN110440036A (en) * | 2019-07-19 | 2019-11-12 | 广州市法玉环保科技有限公司 | A kind of fire-preventing check valve |
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