CN207728901U - Valve - Google Patents
Valve Download PDFInfo
- Publication number
- CN207728901U CN207728901U CN201721656271.8U CN201721656271U CN207728901U CN 207728901 U CN207728901 U CN 207728901U CN 201721656271 U CN201721656271 U CN 201721656271U CN 207728901 U CN207728901 U CN 207728901U
- 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.)
- Expired - Fee Related
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 238000009434 installation Methods 0.000 claims description 7
- 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
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 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
- 239000003546 flue gas Substances 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 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
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006870 function Effects 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
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 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
- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The utility model is related 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 utility model is related to a kind of valves.
Background technology
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
Exhaust outlet is opened with respect to valve core movement or closed to gas port, valve block, when valve block is not turned off exhaust outlet, the cigarette in user's residence
Gas is emitted into through exhaust outlet in exhaust duct.However, existing valve arrangement is complicated.
Utility model content
Problem to be solved in the utility model is just to provide a kind of valve.
To solve the above problems, the utility model provides the following technical solutions：
Valve, including ontology and valve block, the ontology are equipped with exhaust outlet, valve block setting be used to open on the body or
Person closes the exhaust outlet, and the valve further includes temperature sensing device and automatic mechanism for locking up, and the automatic mechanism for locking up is movable to be set
It sets on the body and offsets with the valve block, the ontology limits the valve block described relatively by the temperature sensing device
The position of body, 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 is rotatablely connected with the ontology.
Further, the automatic mechanism for locking up includes lock bolt, shaft and elastic element, and the lock bolt is logical with the ontology
The shaft rotation connection is crossed, the elastic element is for connecting 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 pushes described in the valve block closing
Exhaust outlet；Either, the automatic mechanism for locking up includes lock bolt and shaft, and the lock bolt is turned with the ontology by the shaft
Dynamic 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 made in its own gravity
Around the axis rotation of the shaft and the valve block is pushed to close the exhaust outlet under.
Further, the elastic element includes torsional spring；Either, the elastic element includes compression spring；Either, described
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 torsional spring
The second baffle that upper second torque arm is moved to the separate shaft radial direction.
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
It is connected by sealing ring；Either, the spool is interference fitted with the valve body；Either, the spool and the valve body spiral shell
Line connects.
Further, the valve further includes fixture block corresponding with the valve body and operating lever, and the valve body is equipped with installation
Channel, described operating lever one end are arranged outside the valve body, and the operating lever 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 is rotatablely connected with the ontology, and the two junction forms vertically arranged axle center.
Further, the valve block side is equipped with the flange to extend internally, when the valve block closes the exhaust outlet, institute
Flange is stated to be interference fitted with the ontology.
Further, the ontology be equipped with can the first rake corresponding with the valve block, first rake from
Gradually extend outwardly far from the automatic mechanism for locking up side to it close to the side of the automatic mechanism for locking up；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 is tilt outwardly from top to bottom.
The beneficial effects of the utility model：
1, in the utility model, valve includes ontology, valve block and temperature sensing device, and ontology is equipped with exhaust outlet, and valve block setting exists
Exhaust outlet is used to open or closed on ontology, and ontology limits the position of valve block opposing body, temperature sensing device by temperature sensing device
After work, automatic mechanism for locking up pushes valve block to close exhaust outlet.So design, before temperature sensing device does not work, flue gas can be without hindrance
Moved in exhaust duct by exhaust outlet, to avoid the discharge of oil smoke in the user's residence that is connected to valve is influenced.
2, in the utility model, automatic mechanism for locking up offsets with valve block.Since existing automatic mechanism for locking up and valve block connect
It connects, therefore, when automatic mechanism for locking up offsets with valve block, the structure of valve can further be simplified.
3, in the utility model, after temperature sensing device work, automatic mechanism for locking up pushes valve block to close exhaust outlet, due to automatic
Mechanism for locking up " 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, be located at the ontology on the inside of valve block needs portion to be mounted by reduction
Part.So design, by component to be mounted needed for ontology of the reduction on the inside of valve block, to reduce the flue gas in exhaust duct
" pouring in down a chimney " is extremely located at the probability of the ontology on the inside of valve block.Hereinafter, described " being located at the ontology on the inside of valve block " is the smoke evacuation of spool
Channel, " being located at the ontology on the outside of valve block " are the inner wall of valve body.
Description of the drawings
Fig. 1 is the first stereogram of valve in the preferred embodiment in the utility model (when Exhaust Open)；
Fig. 2 is the second stereogram of valve in the preferred embodiment in the utility model (when Exhaust Open)；
Fig. 3 is the stereogram of valve body in the preferred embodiment in the utility model；
Fig. 4 is the stereogram of automatic mechanism for locking up in the preferred embodiment in the utility model；
Fig. 5 is the explosive view of automatic mechanism for locking up in the preferred embodiment in the utility model；
Fig. 6 is the third stereogram of valve in the preferred embodiment in the utility model (when Exhaust Open)；
Fig. 7 is the partial enlarged view at A in Fig. 6；
Fig. 8 is the 4th stereogram (when exhaust close) of valve in the preferred embodiment in the utility model；
Fig. 9 is the vertical view of spool in the preferred embodiment in the utility model.
Specific implementation mode
The technical solution of the utility model embodiment is explained with reference to the attached drawing of the utility model embodiment and
Illustrate, but following embodiments are only the preferred embodiment of the utility model, and not all.Based on the implementation example in the implementation mode,
Those skilled in the art's obtained other embodiment without making creative work, belongs to the utility model
Protection domain.
Referring to Figures 1 and 2, valve includes ontology 1 and valve block 2, and ontology 1 is equipped with exhaust outlet 1211, and valve block 2 is arranged in ontology
Exhaust outlet 1211 is used to open or closed on 1.
With reference 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, valve
Core 12 is removable to be mounted on valve body 11, specifically：Stepped hole 111 is provided on valve body 11, stepped hole 111 includes top bar
The outer wall of face, 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 annular convex rib 122 offsets with the joint face on stepped hole 111, terrace of appearing on the stage
It is linked together by welding with annular convex rib 122.So design, spool 12 are linked together with valve body 11 by welding, to realize
Enhance the bonding strength between spool 12 and valve body 11.In the other embodiment of the utility model, spool connects with valve body screw thread
It connects；Either, spool is interference fitted with valve body；Either, spool is connect with valve body by sealing ring.
With reference 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 121
The unlimited place of one end.In other embodiments, exhaust outlet can be arranged on the discharge flue of ontology.
With reference to Fig. 6 and Fig. 8, difference from prior art is：The valve of the present embodiment further includes temperature sensing device 4 and automatic
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 is filled by temperature-sensitive
The position of 4 restriction valve block, 2 opposing body 1 is set, after temperature sensing device 4 works, automatic mechanism for locking up 3 pushes valve block 2 to close exhaust outlet
1211。
With reference to Fig. 3 and Fig. 4, the automatic mechanism for locking up 3 and ontology 1 of the present embodiment are rotatablely connected, specifically：Automatic locking machine
Structure 3 includes lock bolt 31, shaft 32 and elastic element 33, and lock bolt 31 is rotatablely connected with ontology 1 by shaft 32, and elastic element 33 is used
In connection lock bolt 31 and ontology 1, after temperature sensing device 4 works, elastic element 33 drive lock bolt 31 around the shaft 32 axis rotation, with
Make lock bolt 31 that valve block 2 be pushed to close exhaust outlet 1211." automatic mechanism for locking up 3 is rotatablely connected with ontology 1 " means：When lock bolt 31
When being vertically arranged, automatic mechanism for locking up 3 reduces its size on the flow of flue gas direction of exhaust outlet 1211.In the utility model
Other embodiment in, automatic mechanism for locking up includes lock bolt and shaft, and lock bolt is rotatablely connected with ontology by shaft, the lock bolt
Center of gravity is located at the inside of shaft, after temperature sensing device work, axis rotation and promotion of the lock bolt under self gravitation effect around the shaft
Valve block closes exhaust outlet.
Certainly, in the other embodiment of the utility model, automatic mechanism for locking up can also be to be fixedly connected with ontology, sense
After warm device work, a part of linear motion in automatic mechanism for locking up, 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.So design, avoids on spool 12
Trepanning is for fixing automatic mechanism for locking up 3.But the utility model is not excluded for automatic mechanism for locking up installation on a mounting board, it should
Mounting 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, and the second copper sheet 43 offsets with valve block 2,
After meltable 42 high temperature melting of solder, the first copper sheet 41 is detached with the second copper sheet 43, does not pass through temperature-sensitive member with ontology 1 in valve block 2
Part 4 connect after, elastic element 33 drive lock bolt 31 around the shaft 32 axis rotation so that lock bolt 31 push valve block 2 close exhaust
Mouth 1211.In the other embodiment of the utility model, the temperature-sensing element is memory metal, when memory metal receives deformation
When temperature, memory metal is arranged on the body, and after memory metal deforms upon and is detached with valve block, elastic element drives lock bolt
Axis rotation around the shaft, so that lock bolt pushes valve block to close exhaust outlet；When memory metal receives the temperature of surrounding less than change
When shape temperature, memory metal will return to the original form.
It should be noted that：In the present embodiment, " action of temperature-sensing element 5 " refers to that " meltable solder 42 is heated to be caused
Second copper sheet 43 is detached with the first copper sheet 41 " This move.
With reference to Fig. 4, the elastic element 33 of the present embodiment includes torsional spring, torsional spring can to avoid its own during the motion with
Ontology 1 or valve block 2 interfere.In other embodiments, the elastic element may include compression spring, and the elastic element also may be used
To 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.So design, avoids torsional spring from working
It is detached in the process with lock bolt 31 and ontology 1, improves the reliability of torsional spring during the work time.In other realities of the utility model
It applies in example, lock bolt is equipped with for preventing the first baffle that the first torque arm is moved to separate shaft radial direction on torsional spring, torsional spring
On the second torque arm and ontology be linked together by welding；Either, ontology be equipped with for prevent on torsional spring the second torque arm to
Far from the second baffle that shaft radial direction moves, the first torque arm setting on torsional spring circularizes, and is socketed on lock bolt.
With reference 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 spiral shell
The bar portion of nail, screw is fixedly connected after through-hole 132 with threaded hole 314.When the bar portion of screw exits threaded hole 314, turn round
Spring can be removed from screw, to realize replacement torsional spring.In the other embodiment of the utility model, shaft is in the shape of an " I ".
With reference to Fig. 2 and Fig. 6, the valve of the present embodiment further includes fixture block 7 corresponding with valve body 11 and operating lever 6, on valve body 11
Equipped with installation passage, 6 one end of operating lever is arranged outside valve body 11, and 6 other end of operating lever is through installation passage and fixture block 7 is driven to transport
It is dynamic, to change the spacing distance between fixture block 7 and valve body 11, from fig. 6, it can be seen that the fixture block 7 of the present embodiment is logical with operating lever 6
Cross one piece of connecting plate connection；In other embodiments, fixture block can be directly connected to operating lever.
With reference to Fig. 6, the ontology 1 of the present embodiment further includes being discharged through exhaust outlet 1211 for receiving and being become from gaseous material
The oil-collecting plate 5 of liquid, oil-collecting plate 5 are arranged on valve body 11.Oil-collecting plate 5 can be used for collecting part oil smoke, be covered with reducing
Cover the oil smoke amount on exhaust duct surface.
From figure 8, it is seen that valve block 2 is rotatablely connected with ontology 1, and the two junction forms vertically arranged axle center.
So design, valve block 2 will be vertically arranged, 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 moves upwards in exhaust duct.
With reference to Fig. 2,2 side of valve block of the present embodiment is equipped with the flange 21 to extend internally, and exhaust outlet 1211 is closed in valve block 2
When, flange 21 is sleeved on ontology 1, and is interference fitted with ontology 1, with realization increase valve block 2 every cigarette effect.
With reference 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 inclines
Inclined portion 123 gradually extends outwardly to it far from 3 side of automatic mechanism for locking up from close to the side of automatic mechanism for locking up 3, specifically：
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 drives
32 rotation around the shaft of lock bolt 31, so that the side wall 311 on lock bolt 31 pushes valve block 2 to move, since torsional spring can only drive lock bolt 31
Radially direction moves, and therefore, the first rake 123 is arranged on the spool 12 of the present embodiment, by providing lock bolt 31 and valve
Active force of the piece 2 on torsional spring axial direction, with realize further increase valve every cigarette effect.In other realities of the utility model
Apply in example, valve block be equipped with can the second rake corresponding with lock bolt, the second rake is tilt outwardly from top to bottom；Either,
Lock bolt be equipped with can third rake corresponding with valve block, third rake is tilt outwardly from top to bottom.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, those skilled in the art should be understood that the utility model includes but not limited to attached drawing and specific implementation mode above
Described in content.The modification of any function and structure principle without departing from the utility model is intended to be included in claims
In range.
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 is rotatablely connected with the ontology.
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
Lock bolt to be stated to be rotatablely connected by the shaft with the ontology, 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 compression 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 on the first baffle and/or the ontology moved far from the shaft radial direction in preventing the first torque arm on the torsional spring
It is useful 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
It is screw to state shaft, 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 is interference fitted with the valve body；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 lever,
The valve body is equipped with installation passage, and described operating lever one end is arranged outside the valve body, and the operating lever 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 through exhaust outlet for receiving
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 is rotatablely connected with the ontology, 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 is interference fitted with the ontology.
13. the valve as described in one of claim 3 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 of the close 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 tilt
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 is rotatablely connected with the ontology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721656271.8U CN207728901U (en) | 2017-12-04 | 2017-12-04 | Valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721656271.8U CN207728901U (en) | 2017-12-04 | 2017-12-04 | Valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207728901U true CN207728901U (en) | 2018-08-14 |
Family
ID=63089260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721656271.8U Expired - Fee Related CN207728901U (en) | 2017-12-04 | 2017-12-04 | Valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207728901U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027271A (en) * | 2018-10-31 | 2018-12-18 | 北京金盾华通科技有限公司 | A kind of fire-preventing check valve and its application method with valve block retaining mechanism |
-
2017
- 2017-12-04 CN CN201721656271.8U patent/CN207728901U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027271A (en) * | 2018-10-31 | 2018-12-18 | 北京金盾华通科技有限公司 | A kind of fire-preventing check valve and its application method with valve block retaining mechanism |
| CN109027271B (en) * | 2018-10-31 | 2023-07-28 | 北京金盾华通科技有限公司 | Fireproof check valve with valve plate locking mechanism and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Lianzhi (Beijing) Technical Service Co.,Ltd. Assignor: HANGZHOU XIAOMI ENVIRONMENT TECHNOLOGY Co.,Ltd. Contract record no.: X2020990000381 Denomination of utility model: Auto-control oil feeling valve Granted publication date: 20180814 License type: Exclusive License Record date: 20200727 |
|
| EC01 | Cancellation of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Lianzhi (Beijing) Technical Service Co.,Ltd. Assignor: HANGZHOU XIAOMI ENVIRONMENT TECHNOLOGY Co.,Ltd. Contract record no.: X2020990000381 Date of cancellation: 20201113 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Lianzhi (Beijing) Technical Service Co.,Ltd. Assignor: HANGZHOU XIAOMI ENVIRONMENT TECHNOLOGY Co.,Ltd. Contract record no.: X2020990000595 Denomination of utility model: valve Granted publication date: 20180814 License type: Exclusive License Record date: 20201113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180814 |