CN109869493A - Valve - Google Patents
Valve Download PDFInfo
- Publication number
- CN109869493A CN109869493A CN201711256202.2A CN201711256202A CN109869493A CN 109869493 A CN109869493 A CN 109869493A CN 201711256202 A CN201711256202 A CN 201711256202A CN 109869493 A CN109869493 A CN 109869493A
- Authority
- CN
- China
- Prior art keywords
- valve
- ontology
- lock bolt
- valve block
- locking
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 238000009434 installation Methods 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 10
- 229910052802 copper Inorganic materials 0.000 description 10
- 239000010949 copper Substances 0.000 description 10
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 229910000679 solder Inorganic materials 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 230000008278 dynamic mechanism Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Mechanically-Actuated Valves (AREA)
Abstract
The present invention relates to a kind of valves, solve the problems, such as valve arrangement complexity.Valve, including ontology and valve block, the ontology is equipped with exhaust outlet, the valve block setting is used to open or closes on the body the exhaust outlet, the valve further includes temperature sensing device and automatic mechanism for locking up, and the movable setting of automatic mechanism for locking up offsets on the body and with the valve block, and the ontology limits the position of the relatively described ontology of the valve block by the temperature sensing device, after the temperature sensing device work, the automatic mechanism for locking up pushes the valve block to close the exhaust outlet.
Description
Technical field
The present invention relates to a kind of valves.
Background technique
Valve includes valve body, spool and valve block, and spool is mounted on valve body, and valve block is mounted on spool, has row on spool
Port, valve block with respect to valve core movement to turn on or off exhaust outlet, when valve block is not turned off exhaust outlet, in user's residence
Flue gas is emitted into exhaust duct through exhaust outlet.However, existing valve arrangement is complicated.
Summary of the invention
Problem to be solved by this invention is just to provide a kind of valve.
To solve the above problems, the invention provides the following technical scheme:
Valve, including ontology and valve block, the ontology are equipped with exhaust outlet, and the valve block setting is used to open on the body
Or the exhaust outlet is closed, the valve further includes temperature sensing device and automatic mechanism for locking up, and the automatic mechanism for locking up is movable
Setting offsets on the body and with the valve block, and the ontology limits the valve block with respect to institute by the temperature sensing device
The position of ontology is stated, after the temperature sensing device work, the automatic mechanism for locking up pushes the valve block to close the exhaust outlet.
Further, the automatic mechanism for locking up and the ontology are rotatablely connected.
Further, the automatic mechanism for locking up includes lock bolt, shaft and elastic element, the lock bolt and the ontology
It is rotatablely connected by the shaft, the elastic element is for connecting the lock bolt and the ontology, the temperature sensing device work
Afterwards, the elastic element drives the lock bolt around the axis rotation of the shaft, so that the lock bolt pushes the valve block to close
The exhaust outlet；Either, the automatic mechanism for locking up includes lock bolt and shaft, and the lock bolt and the ontology pass through described
Shaft rotation connection, the center of gravity of the lock bolt are located at the inside of the shaft, and after the temperature sensing device work, the lock bolt is certainly
Around the axis rotation of the shaft and the valve block is pushed to close the exhaust outlet under body gravity.
Further, the elastic element includes torsional spring；Either, the elastic element includes pressure spring；Either, institute
Stating elastic element includes extension spring.
Further, the torsional spring is socketed in the shaft, and the lock bolt is equipped with for preventing on the torsional spring the
One torque arm is equipped with to the first baffle and/or the ontology moved far from the shaft radial direction for preventing the torsion
The second baffle that the second torque arm is moved to the separate shaft radial direction on spring.
Further, the ontology is equipped with through-hole, and the lock bolt is equipped with threaded hole, and the shaft is screw, described
The bar portion of screw is fixedly connected after running through the through-hole with the threaded hole.
Further, the ontology includes valve body and the spool with the exhaust outlet, and the spool is arranged in the valve
On body, the automatic mechanism for locking up is movable to be arranged on the valve body.
Further, the spool is linked together with the valve body by welding；Either, the spool and the valve
Body is connected by sealing ring；Either, the spool and the valve body are interference fitted；Either, the spool and the valve body
It is threadedly coupled.
Further, the valve further includes fixture block corresponding with the valve body and operating stick, and the valve body is equipped with installation
Channel, described operating stick one end are arranged outside the valve body, and the operating stick other end is through the installation passage and drives institute
Fixture block movement is stated, to change the spacing distance between the fixture block and the valve body.
Further, the ontology further includes for receiving through exhaust outlet discharge and becoming liquid from gaseous material
Oil-collecting plate.
Further, the valve block and the ontology are rotatablely connected, and the two junction forms vertically arranged axis
The heart.
Further, the valve block side is equipped with the flange to extend internally, when the valve block closes the exhaust outlet,
The flange and the ontology are interference fitted.
Further, the ontology be equipped with can the first rake corresponding with the valve block, first rake from
Side close to the automatic mechanism for locking up gradually extends outwardly to it far from the automatic mechanism for locking up side；Either, institute
State valve block be equipped with can the second rake corresponding with the lock bolt, second rake is tilt outwardly from top to bottom；Or
Be, the lock bolt be equipped with can third rake corresponding with the valve block, the third rake leans outward from top to bottom
Tiltedly.
Beneficial effects of the present invention:
1, in the present invention, valve includes ontology, valve block and temperature sensing device, and ontology is equipped with exhaust outlet, and valve block is arranged in ontology
On be used to open or close exhaust outlet, ontology limits the position of valve block opposing body, temperature sensing device work by temperature sensing device
Afterwards, automatic mechanism for locking up pushes valve block to close exhaust outlet.It is designed in this way, before temperature sensing device does not work, what flue gas can be without hindrance is logical
It crosses exhaust outlet to move in exhaust duct, to avoid the discharge for influencing oil smoke in the user's residence being connected to valve.
2, in the present invention, automatic mechanism for locking up offsets with valve block.Since existing automatic mechanism for locking up is connect with valve block,
Therefore, when automatic mechanism for locking up and valve block offset, the available further simplification of the structure of valve.
3, in the present invention, after temperature sensing device work, automatic mechanism for locking up pushes valve block to close exhaust outlet, on automatic
Latch mechanism " promotion " valve block closes exhaust outlet, and therefore, automatic mechanism for locking up will be arranged on the ontology on the outside of valve block, when
When automatic mechanism for locking up is arranged on the ontology on the outside of valve block, the ontology on the inside of valve block will be reduced need to be to be mounted
Component.It is designed in this way, by component to be mounted needed for reducing the ontology being located on the inside of valve block, to reduce the cigarette in exhaust duct
Gas " reverse irrigation " is extremely located at the probability of the ontology on the inside of valve block.Hereinafter, described " ontology on the inside of valve block " is the row of spool
Cigarette channel, " ontology on the outside of valve block " are the inner wall of valve body.
Detailed description of the invention
Fig. 1 is the first perspective view of valve in the preferred embodiment of the present invention (when Exhaust Open)；
Fig. 2 is the second perspective view of valve in the preferred embodiment of the present invention (when Exhaust Open)；
Fig. 3 is the perspective view of valve body in the preferred embodiment of the present invention；
Fig. 4 is the perspective view of automatic mechanism for locking up in the preferred embodiment of the present invention；
Fig. 5 is the explosive view of automatic mechanism for locking up in the preferred embodiment of the present invention；
Fig. 6 is the third perspective view of valve in the preferred embodiment of the present invention (when Exhaust Open)；
Fig. 7 is the partial enlarged view in Fig. 6 at A；
Fig. 8 is the 4th perspective view (when exhaust close) of valve in the preferred embodiment of the present invention；
Fig. 9 is the top view of spool in the preferred embodiment of the present invention.
Specific embodiment
The technical solution of the embodiment of the present invention is explained and illustrated below with reference to the attached drawing of the embodiment of the present invention, but
Following embodiments are merely a preferred embodiment of the present invention, and not all.Based on the implementation example in the implementation mode, art technology
Personnel's obtained other embodiments without making creative work, belong to protection scope of the present invention.
Referring to Figures 1 and 2, valve includes ontology 1 and valve block 2, and ontology 1 is equipped with exhaust outlet 1211, and the setting of valve block 2 is at this
Exhaust outlet 1211 is used to open or closed on body 1.
Referring to Fig. 2, Fig. 3 and Fig. 9, the ontology 1 of the present embodiment includes valve body 11 and the spool 12 with exhaust outlet 1211,
Spool 12 is removable to be mounted on valve body 11, specific: stepped hole 111 is provided on valve body 11, stepped hole 111 includes appearing on the stage
The outer wall of terrace, leave from office terrace and the joint face for connecting appear on the stage terrace and leave from office terrace, spool 12 is equipped with annular convex rib
122, when spool 12 is inserted into stepped hole 111, and the joint face on annular convex rib 122 and stepped hole 111 offsets, top bar
Face is linked together with annular convex rib 122 by welding.It is designed in this way, spool 12 is linked together with valve body 11 by welding, with reality
Now enhance the bonding strength between spool 12 and valve body 11.In other embodiments of the invention, spool and valve body screw thread connect
It connects；Either, spool and valve body are interference fitted；Either, spool is connect with valve body by sealing ring.
Referring to Fig. 2, the spool 12 of the present embodiment is equipped with discharge flue 121, and exhaust outlet 1211 is arranged in discharge flue
The unlimited place of 121 one end.In other embodiments, exhaust outlet can be set on the discharge flue of ontology.
Referring to Fig. 6 and Fig. 8, difference from prior art is: the valve of the present embodiment further includes temperature sensing device 4 and oneself
Dynamic mechanism for locking up 3, wherein automatic mechanism for locking up 3 is movable to be arranged on ontology 1 and offset with valve block 2, and ontology 1 passes through temperature-sensitive
Device 4 limits the position of 2 opposing body 1 of valve block, and after temperature sensing device 4 works, automatic mechanism for locking up 3 pushes valve block 2 to close exhaust
Mouth 1211.
Referring to Fig. 3 and Fig. 4, the automatic mechanism for locking up 3 and ontology 1 of the present embodiment are rotatablely connected, specific: automatic locking
Mechanism 3 includes lock bolt 31, shaft 32 and elastic element 33, and lock bolt 31 is rotatablely connected with ontology 1 by shaft 32, elastic element
33 for connecting lock bolt 31 and ontology 1, after temperature sensing device 4 works, elastic element 33 drive lock bolt 31 around the shaft 32 axle center turn
It is dynamic, so that lock bolt 31 pushes valve block 2 to close exhaust outlet 1211." automatic mechanism for locking up 3 and ontology 1 are rotatablely connected " means that: when
When lock bolt 31 is vertically arranged, automatic mechanism for locking up 3 reduces its size on the flow of flue gas direction of exhaust outlet 1211.At this
In the other embodiments of invention, automatic mechanism for locking up includes lock bolt and shaft, and lock bolt and ontology are rotatablely connected by shaft, should
The center of gravity of lock bolt is located at the inside of shaft, after temperature sensing device work, axis rotation of the lock bolt under self gravitation effect around the shaft
And valve block is pushed to close exhaust outlet.
Certainly, in other embodiments of the invention, automatic mechanism for locking up is also possible to be fixedly connected with ontology, temperature-sensitive
After device work, some in automatic mechanism for locking up moves along a straight line, and valve block is pushed to close exhaust outlet.
In the present embodiment, automatic mechanism for locking up 3 is movable to be arranged on valve body 11.It is designed in this way, avoids on spool 12
Aperture is for fixing automatic mechanism for locking up 3.But the present invention is not excluded for automatic mechanism for locking up installation on a mounting board, the installation
Plate is extended outward to form by the outer wall of spool.
Referring to figure 6 and figure 7, the temperature-sensing element 4 of the present embodiment includes the first copper sheet 41, the second copper sheet 43 and meltable solder
42, (the meltable solder 42 includes secret base, indium base, tinbase, cadmium by meltable solder 42 for the first copper sheet 41 and the second copper sheet 43
The solders such as base, zinc-base and lead base) it is linked together, the first copper sheet 41 is fixedly connected with ontology 1, the second copper sheet 43 and 2 phase of valve block
It supports, after meltable 42 high temperature melting of solder, the first copper sheet 41 is separated with the second copper sheet 43, does not pass through sense with ontology 1 in valve block 2
After warm element 4 connects, elastic element 33 drive lock bolt 31 around the shaft 32 axis rotation so that lock bolt 31 pushes valve block 2 to close
Exhaust outlet 1211.In other embodiments of the invention, the temperature-sensing element is memory metal, when memory metal receives change
When shape temperature, memory metal is arranged on the body, and in memory metal, deformation occurs and after separating with valve block, elastic element driving
The axis rotation of lock bolt around the shaft, so that lock bolt pushes valve block to close exhaust outlet；When the temperature that memory metal receives surrounding is low
When deformation temperature, memory metal will return to the original form.
It should be understood that " movement of temperature-sensing element 5 " refers to that " meltable solder 42 is heated to be caused in the present embodiment
Second copper sheet 43 is separated with the first copper sheet 41 " This move.
Referring to Fig. 4, the elastic element 33 of the present embodiment includes torsional spring, and torsional spring can be to avoid its own during the motion
It is interfered with ontology 1 or valve block 2.In other embodiments, the elastic element may include pressure spring, the elastic element
It also may include extension spring.
As can be seen from Figure 4 and Figure 5, the torsional spring of the present embodiment is socketed in shaft 32, and lock bolt 31 is equipped with for preventing
To the first baffle 312 moved far from 32 radial direction of shaft, ontology 1 is equipped with for preventing to turn round the first torque arm 331 on torsional spring
The second baffle 131 that the second torque arm 332 is moved to separate 32 radial direction of shaft on spring.It is designed in this way, torsional spring is avoided to work
It is separated in the process with lock bolt 31 and ontology 1, improves the reliability of torsional spring during the work time.In other implementations of the invention
In example, lock bolt is equipped with for preventing the first torque arm on torsional spring to the first baffle moved far from shaft radial direction, on torsional spring
The second torque arm and ontology be linked together by welding；Either, ontology is equipped with for preventing on torsional spring the second torque arm to remote
From the second baffle that shaft radial direction moves, the first torque arm setting on torsional spring is circularized, and is socketed on lock bolt.
Referring to Fig. 5, the ontology 1 of the present embodiment is equipped with through-hole 132, and lock bolt 31 is equipped with threaded hole 314, and shaft 32 is
The bar portion of screw, screw is fixedly connected after through-hole 132 with threaded hole 314.When the bar portion of screw exits threaded hole 314,
Torsional spring can be removed from screw, to realize replacement torsional spring.In other embodiments of the invention, shaft is in the shape of an " I ".
Referring to Fig. 2 and Fig. 6, the valve of the present embodiment further includes fixture block 7 corresponding with valve body 11 and operating stick 6, on valve body 11
Equipped with installation passage, 6 one end of operating stick is arranged outside valve body 11, and 6 other end of operating stick is through installation passage and drives fixture block 7
Movement, to change the spacing distance between fixture block 7 and valve body 11, from Fig. 6 as can be seen that the fixture block 7 and operating stick of the present embodiment
6 pass through one piece of connecting plate connection；In other embodiments, fixture block can be directly connected to operating stick.
Referring to Fig. 6, the ontology 1 of the present embodiment further includes being discharged through exhaust outlet 1211 and being become by gaseous material for receiving
For the oil-collecting plate 5 of liquid, oil-collecting plate 5 is arranged on valve body 11.Oil-collecting plate 5 can be used for collection part oil smoke, to reduce
It is covered on the oil smoke amount on exhaust duct surface.
From figure 8, it is seen that valve block 2 and ontology 1 are rotatablely connected, and the two junction forms vertically arranged axle center.
It being designed in this way, valve block 2 will be vertically arranged, it is at least partially disposed in exhaust duct after opening exhaust outlet 1211 due to valve block 2,
Vertically arranged valve block 2 can reduce the obstruction that flue gas in exhaust duct moves upwards.
Referring to Fig. 2,2 side of valve block of the present embodiment is equipped with the flange 21 to extend internally, closes exhaust outlet in valve block 2
When 1211,21 sets of flange are interference fitted on ontology 1, and with ontology 1, with realization increase valve block 2 every cigarette effect.
Referring to Fig. 2 and Fig. 9, the ontology 1 of the present embodiment be equipped with can first rake 123 corresponding with valve block 1, first
Rake 123 gradually extends outwardly to it far from 3 side of automatic mechanism for locking up from the side close to automatic mechanism for locking up 3, specifically
: the first rake 123 is arranged on spool 12.According to Fig. 4, Fig. 6 and Fig. 8 it is not difficult to find that the elastic element 33 of the present embodiment
32 rotation around the shaft of lock bolt 31 is driven, so that the side wall 311 on lock bolt 31 pushes valve block 2 to move, since torsional spring can only drive lock
Radially direction moves door bolt 31, therefore, the first rake 123 is arranged on the spool 12 of the present embodiment, by providing lock bolt 31
With active force of the valve block 2 on torsional spring axial direction, with realize further increase valve every cigarette effect.In other of the invention
In embodiment, valve block be equipped with can the second rake corresponding with lock bolt, the second rake is tilt outwardly from top to bottom；Or
Be, lock bolt be equipped with can third rake corresponding with valve block, third rake is tilt outwardly from top to bottom.
Referring to Fig. 9, the ontology 1 of the present embodiment is equipped with installation protrusion 124, specific: the installation protrusion 124 is arranged
On the spool 12.Installation protrusion 124 facilitates spool 12 to connect with the smoke exhaust pipe on kitchen ventilator.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, ripe
Knowing those skilled in the art should be understood that the present invention includes but is not limited to attached drawing and interior described in specific embodiment above
Hold.Any modification without departing from function and structure principle of the invention is intended to be included in the range of claims.
Claims (13)
1. valve, including ontology and valve block, the ontology is equipped with exhaust outlet, the valve block setting be used to open on the body or
Close the exhaust outlet, which is characterized in that the valve further includes temperature sensing device and automatic mechanism for locking up, the automatic mechanism for locking up
Movable setting offsets on the body and with the valve block, and the ontology limits the valve block phase by the temperature sensing device
To the position of the ontology, after the temperature sensing device work, the automatic mechanism for locking up pushes the valve block to close the exhaust
Mouthful.
2. valve as described in claim 1, which is characterized in that the automatic mechanism for locking up and the ontology are rotatablely connected.
3. valve as claimed in claim 2, which is characterized in that the automatic mechanism for locking up includes lock bolt, shaft and elastic element, institute
It states lock bolt and is rotatablely connected with the ontology by the shaft, the elastic element is used to connect the lock bolt and the ontology,
After the temperature sensing device work, the elastic element drives the lock bolt around the axis rotation of the shaft, so that the lock bolt
The valve block is pushed to close the exhaust outlet；Either, the automatic mechanism for locking up includes lock bolt and shaft, the lock bolt and institute
Ontology to be stated to be rotatablely connected by the shaft, the center of gravity of the lock bolt is located at the inside of the shaft, after the temperature sensing device work,
The lock bolt around the axis rotation of the shaft and pushes the valve block to close the exhaust outlet under self gravitation effect.
4. valve as claimed in claim 3, which is characterized in that the elastic element includes torsional spring；Either, the elastic element packet
Include pressure spring；Either, the elastic element includes extension spring.
5. valve as claimed in claim 4, which is characterized in that the torsional spring is socketed in the shaft, and the lock bolt, which is equipped with, to be used
It is set in the first torque arm on the prevention torsional spring on the first baffle and/or the ontology moved far from the shaft radial direction
Have for preventing the second baffle that the second torque arm is moved to the separate shaft radial direction on the torsional spring.
6. valve as claimed in claim 3, which is characterized in that the ontology is equipped with through-hole, and the lock bolt is equipped with threaded hole, institute
Stating shaft is screw, and the bar portion of the screw is fixedly connected after the through-hole with the threaded hole.
7. the valve as described in one of claim 1 to 6, which is characterized in that the ontology includes valve body and with the exhaust outlet
Spool, the spool are arranged on the valve body, and the automatic mechanism for locking up is movable to be arranged on the valve body.
8. valve as claimed in claim 7, which is characterized in that the spool is linked together with the valve body by welding；Either,
The spool is connect with the valve body by sealing ring；Either, the spool and the valve body are interference fitted；Either, institute
Spool is stated to connect with the valve body screw thread.
9. valve as claimed in claim 7, which is characterized in that the valve further includes fixture block corresponding with the valve body and operating stick,
The valve body is equipped with installation passage, and described operating stick one end is arranged outside the valve body, and the operating stick other end runs through institute
It states installation passage and the fixture block is driven to move, to change the spacing distance between the fixture block and the valve body.
10. the valve as described in one of claim 1 to 6, which is characterized in that the ontology further includes being discharged for receiving through exhaust outlet
And become the oil-collecting plate of liquid from gaseous material.
11. the valve as described in one of claim 1 to 6, which is characterized in that the valve block and the ontology are rotatablely connected, and two
Person junction forms vertically arranged axle center.
12. the valve as described in one of claim 1 to 6, which is characterized in that the valve block side is equipped with the flange to extend internally,
When the valve block closes the exhaust outlet, the flange and the ontology are interference fitted.
13. the valve as described in one of claim 1 to 6, which is characterized in that the ontology is equipped with can corresponding with the valve block the
One rake, first rake is from the side close to the automatic mechanism for locking up to it far from the automatic mechanism for locking up one
Side gradually extends outwardly；Either, the valve block be equipped with can the second rake corresponding with the lock bolt, it is described second inclination
Portion is tilt outwardly from top to bottom；Either, the lock bolt be equipped with can third rake corresponding with the valve block, the third
Rake is tilt outwardly from top to bottom；The valve block is vertically arranged, and the valve block and the ontology are rotatablely connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711256202.2A CN109869493A (en) | 2017-12-04 | 2017-12-04 | Valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711256202.2A CN109869493A (en) | 2017-12-04 | 2017-12-04 | Valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109869493A true CN109869493A (en) | 2019-06-11 |
Family
ID=66914972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711256202.2A Pending CN109869493A (en) | 2017-12-04 | 2017-12-04 | Valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109869493A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201041247Y (en) * | 2007-06-15 | 2008-03-26 | 王震 | Flue fire-proof check valve |
| RU2329078C1 (en) * | 2006-10-24 | 2008-07-20 | Общество с ограниченной ответственностью "ФЕРРУМ" | Fire dampers of air ducts |
| CN201487318U (en) * | 2009-08-25 | 2010-05-26 | 张云海 | Flute check valve |
| CN202082439U (en) * | 2011-03-25 | 2011-12-21 | 曹正祥 | Oily fume-discharged.fire-prevention check valve |
| CN205064972U (en) * | 2015-10-16 | 2016-03-02 | 宁波方太厨具有限公司 | A fire prevention valve for lampblack absorber flue |
| CN207728901U (en) * | 2017-12-04 | 2018-08-14 | 杭州小米环境科技有限公司 | Valve |
-
2017
- 2017-12-04 CN CN201711256202.2A patent/CN109869493A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2329078C1 (en) * | 2006-10-24 | 2008-07-20 | Общество с ограниченной ответственностью "ФЕРРУМ" | Fire dampers of air ducts |
| CN201041247Y (en) * | 2007-06-15 | 2008-03-26 | 王震 | Flue fire-proof check valve |
| CN201487318U (en) * | 2009-08-25 | 2010-05-26 | 张云海 | Flute check valve |
| CN202082439U (en) * | 2011-03-25 | 2011-12-21 | 曹正祥 | Oily fume-discharged.fire-prevention check valve |
| CN205064972U (en) * | 2015-10-16 | 2016-03-02 | 宁波方太厨具有限公司 | A fire prevention valve for lampblack absorber flue |
| CN207728901U (en) * | 2017-12-04 | 2018-08-14 | 杭州小米环境科技有限公司 | Valve |
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