CN106195380B - A kind of self-operated type Timed valve - Google Patents
A kind of self-operated type Timed valve Download PDFInfo
- Publication number
- CN106195380B CN106195380B CN201610796057.6A CN201610796057A CN106195380B CN 106195380 B CN106195380 B CN 106195380B CN 201610796057 A CN201610796057 A CN 201610796057A CN 106195380 B CN106195380 B CN 106195380B
- Authority
- CN
- China
- Prior art keywords
- rack
- timing
- valve
- shell
- lever
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K21/00—Fluid-delivery valves, e.g. self-closing valves
- F16K21/04—Self-closing valves, i.e. closing automatically after operation
- F16K21/14—Self-closing valves, i.e. closing automatically after operation with special means for preventing the self-closing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/48—Mechanical actuating means actuated by mechanical timing-device, e.g. with dash-pot
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/54—Mechanical actuating means with toothed gearing with pinion and rack
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a kind of self-operated type Timed valves, including transfer pipeline, the main valve of shell and installation on the shell, impeller assembly is installed in shell, impeller assembly includes positioned at the screening water box of transfer pipeline pipeline side and mounted on the impeller hidden in water box, fluid driven impeller rotation in transfer pipeline, gear set, gear set is by impeller-driven, timing component, timing component includes the drive rack being slidably installed inside the shell, timing rack and rotatably mounted timing gear, drive rack is driven by gear set, timing rack is driven by timing gear, timing gear has adjusting knob driving, timing rack has the push rod for pushing drive rack movement, one end of drive rack coordinates with push rod, the other end of drive rack is equipped with resetting spring.Advantageous effect is：Achievable valve is automatically closed, while can set and the time is automatically closed, and avoids fluid wastage, mechanical timer control, simple in structure, long lifespan.
Description
Technical field
The present invention relates to field of fluid control, and in particular to a kind of self-operated type Timed valve.
Background technology
Water is Source of life, and it is even more urban development, the life of people's life that not only the development of industry agricultural, which will lean on water, water,
Line.Available water resource is fewer and fewer on the earth, gradually jeopardizes human survival.And in many public places in city, warp
It can often see due to unclosed valve, cause water resource utility model.Common valve is required for manually controlling the logical of flow greatly on the market
It is disconnected, if unclosed valve will sternly cause water resource waste, touch-control valve to be discharged by incuding, install in public, due to making
It with frequency height, be easy to cause and incudes ineffective, generation leak or phenomenon of cutting off the water supply, in addition in oil gas transport field, be related to high-risk easy
The timing controlled of fluid is fired, existing control mode mostly uses electrical control, and there are security risks.
Invention content
The purpose of the present invention is that solve the above-mentioned problems and provides a kind of self-operated type Timed valve, and machine may be implemented
Tool is periodically and safe and reliable.
The present invention is achieved through the following technical solutions above-mentioned purpose：
The present invention self-operated type Timed valve be mounted on fluid transfer pipeline on, including shell and be mounted on the shell
On main valve, be equipped in the shell：
Impeller assembly, the impeller assembly include positioned at the screening water box of transfer pipeline pipeline side and mounted on described
The impeller in water box is hidden, the fluid in the transfer pipeline drives the wheel rotation；
Gear set, the gear set is by the impeller-driven；
Timing component, the timing component include be slidably installed drive rack inside the shell, timing rack and rotatable
The timing gear of installation, the drive rack are driven by the gear set, and the timing rack is driven by the timing gear, institute
Stating timing gear has adjusting knob driving, the timing rack to have the push rod for pushing the drive rack movement, the driving
One end of rack coordinates with the push rod, and the other end of the drive rack is equipped with resetting spring, the timing gear and institute
State the pretightning force that the frictional resistance between timing rack is more than the resetting spring；
Drive component, the driving component include the lever being installed in rotation in shell and are slidably installed inside the shell
Slide rack, described one end for sliding rack is engaged with the rotate gear of the main valve, described to slide other the one of rack
End is equipped with limited block and the end is equipped with compressed spring, and one end of the lever is free end, and the free end is by the sliding tooth
Item drives, and the free end is additionally provided with adjustable spring, and the other end of the lever is positive stop end, described in the positive stop end blocking
Limited block；
The impeller rotates under the drive of fluid, and the impeller drives the drive rack direction by the gear set
The free end motion of the lever, the drive rack, which is expert at, covers the freedom of the drive rack and the lever
The lever rotation is pushed after the spacing stroke at end, and the limit of rack is slided described in the positive stop end deviation of the lever
Block, the rack that slides slide towards the main valve under the action of compressed spring and the main valve rotation are driven to close
Close the transfer pipeline, the positioning tooth bar by adjusting the drive rack and the free end of the lever spacing row
Journey periodically closes the main valve to realize.
In order to further increase the use function of Self-operated valve, the transfer pipeline includes water inlet pipe and outlet pipe, institute
It states and is equipped with the first branch pipe and the second branch pipe in shell, first branch pipe and second branch pipe are connected in parallel on the water inlet pipe and institute
Between stating outlet pipe, first branch pipe is equipped with shut-off valve, installs the main valve on second branch pipe, described second
There is notch, notch to be located at the main valve upstream, indentation, there installs the screening water box, the fluid in second branch pipe on pipe
Drive the wheel rotation in the screening water box.
In order to further increase the use function of Self-operated valve, the upstream of the impeller assembly is equipped with the first regulating valve,
The downstream of the main valve is equipped with the second regulating valve, and first regulating valve and second regulating valve are arranged at described second
On branch pipe.
In order to further increase the use function of Self-operated valve, the free end of the lever is close to the sliding tooth
The side of item is equipped with block.
In order to further increase the use function of Self-operated valve, the positive stop end is equipped with the shelves for positioning the limited block
Mouthful.
Advantageous effect is：Achievable valve is automatically closed, while can set and the time is automatically closed, and avoids fluid wastage,
Mechanical course, simple in structure, long lifespan.
Description of the drawings
Fig. 1 is the internal structure chart of the self-operated type Timed valve of the present invention；
Fig. 2 is the timing gear and adjusting knob installation site figure of the self-operated type Timed valve of the present invention.
The reference numerals are as follows：
1, transfer pipeline；2, shell；3, water box are hidden；4, impeller assembly；5, impeller；6, gear set；7, compressed spring；8, it limits
Position block；9, rack is slided；10, drive component；11, rotate gear；12, main valve；13, lever；14, adjustable spring；15, freely
End；16, resetting spring；17, timing component；18, timing gear；19, adjusting knob；20, timing rack；21, push rod；22, it drives
Carry-over bar；23, positive stop end；24, water inlet pipe；25, outlet pipe；26, the first branch pipe；27, the second branch pipe；28, shut-off valve；29,
One regulating valve；30, the second regulating valve；31, block.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings：
In the description of the present invention, it is to be understood that, term " radial direction ", " axial direction ", "upper", "lower", "top", "bottom",
The orientation or positional relationship of the instructions such as "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching
It states the present invention and simplifies description, do not indicate or imply the indicated device or element must have a particular orientation, with specific
Azimuth configuration and operation, therefore be not considered as limiting the invention.In the description of the present invention, unless otherwise indicated,
The meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Set ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
It, can also be indirectly connected through an intermediary to be to be connected directly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
As shown in Figs. 1-2, the self-operated type Timed valve of the present embodiment is mounted on the transfer pipeline 1 of fluid, including shell 2
With the main valve 12 on shell 2, it is equipped in shell 2：
Impeller assembly
Impeller assembly 4 include positioned at 1 pipeline side of transfer pipeline screenings water box 3 and mounted on screening water box 3 in impeller 5,
Fluid driven impeller 5 in transfer pipeline 1 rotates；
Gear set
Gear set 6 is driven by impeller 5；
Timing component
Timing component 17 includes being slidably mounted on drive rack 22 in shell 2, timing rack 20 and rotatably mounted
Timing gear 18, drive rack 22 are driven by gear set 6, and timing rack 20 is driven by timing gear 18, and timing gear 18 has tune
It saves knob 19 to drive, timing rack 20 has the push rod 21 for pushing drive rack 22 to move, one end of drive rack 22 and push rod
The other end of 21 cooperations, drive rack 22 is equipped with resetting spring 16, the friction resistance between timing gear 18 and timing rack 20
Power is more than the pretightning force of resetting spring 16；
Drive component
Drive component 10 includes the lever 13 being installed in rotation in shell 2 and is slidably mounted on sliding in shell 2
Rack 9, the one end for sliding rack 9 are engaged with the rotate gear 11 of main valve 12, and the other end for sliding rack 9 is equipped with limited block
8 and the end be equipped with compressed spring 7, one end of lever 13 is free end 15, and free end 15 is driven by drive rack 22, free end 15
It is additionally provided with adjustable spring 14, the other end of lever 13 is positive stop end 23, and positive stop end 23 stops limited block 8；
Wherein, impeller 5 rotates under the drive of fluid, and impeller 5 drives drive rack 22 towards lever 13 by gear set 6
Free end 15 move, drive rack 22, which is expert at after the spacing stroke for the free end 15 for covering drive rack 22 and lever 13, to be pushed
Lever 13 rotates, and the positive stop end 23 of lever 13 deviates the limited block 8 for sliding rack 9, slides effect of the rack 9 in compressed spring 7
Lower to be slided towards main valve 12 and the rotation of main valve 12 is driven to close transfer pipeline 1, positioning tooth bar is by adjusting drive rack 22
With the spacing stroke of the free end 15 of lever 13 main valve 12 is periodically closed to realize.
After main valve 12 is closed, the fluid stop motion in transfer pipeline 1 is acted at this time in drive rack 22
Fluid pressure greatly reduces, drawback movement under the action of resetting spring 16 of drive rack 22, until drive rack 22 is withstood and pushed away
Bar 21 waits for push rod 21 to readjust timing position.
After main valve 12 is closed, if need timing circulation water again, main valve 12 is opened, main valve 12 is logical
It crosses the driving of rotate gear 11 and slides the pretightning force reverse slide that rack 9 overcomes compressed spring 7, the limited block 8 slided on rack 9 is got over
The positive stop end 23 of lever 13 is crossed, then lever 13 resets under the action of adjustable spring 14, and positive stop end 23 blocks limited block 8 and makes
Limited block 8 can not cross positive stop end 23, and main valve 12 is kept it turned on, and the free end of lever 13 waits for drive rack 22 to push away
It moves so that positive stop end 23 tilts, clearance slides rack 9 and closes main valve 12.
In the present embodiment, transfer pipeline 1 includes water inlet pipe 24 and outlet pipe 25, and it is fixed that water inlet pipe 24 and outlet pipe 25 are located at
When valve both ends, influence fluid conveying when Timed valve breaks down in order to prevent, the first branch pipe 26 and the be equipped in shell 2
Two branch pipes 27, the first branch pipe 26 and the second branch pipe 27 are connected in parallel between water inlet pipe 24 and outlet pipe 25, and the first branch pipe 26 is equipped with
Shut-off valve 28 installs main valve 12 on second branch pipe 27, while the upstream of impeller assembly 4 is equipped with the first regulating valve 29, main valve
12 downstream is equipped with the second regulating valve 30, and the first regulating valve 29 and the second regulating valve 30 are arranged on the second branch pipe 27.Work as drive
Dynamic component 10, timing component 17 or main valve 12 can close the first regulating valve 29 and the second regulating valve 30 when breaking down, into
Row maintenance, opens simultaneously shut-off valve 28 so that fluid can be normal through.Wherein, there is notch, notch position on the second branch pipe 27
In 12 upstream of main valve, indentation, there installation hides water box 3, and the fluid driving in the second branch pipe 27 hides the impeller 5 in water box 3 and rotates.
In the present embodiment, the free end 15 of lever 13 is equipped with block 31 close to the side of drive rack 22, and block 31 is used
In the uplink extreme position for limiting lever 13.
In the present embodiment, positive stop end 23 is equipped with the shelves mouth of positioning limit block 8, and shelves mouth engages limited block, preferably limits.
Elastic potential energy that self-operated type Timed valve in the present embodiment is stored by compressed spring 7 closes valve, without
Power supply and other external energy, are timed reliable and stable by mechanical timer, that is, are leaned on and adjusted drive rack and lever
The distance of free end adjust the time of timing.When not needing timing, the adjusting of the first regulating valve 29 and second can be closed
Valve 30 controls the circulation of transfer pipeline 1 by shut-off valve 28.
Self-operated type Timed valve in the present embodiment is applied to field of fluid control, such as tap water conveying, oil-gas transportation
With chemical liquid conveying etc., be specially adapted to the transport of high-risk flammable fluid, the security risk for avoiding electrical control from bringing.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe the originals of the present invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appending claims and equivalents circle
It is fixed.
Claims (6)
1. a kind of self-operated type Timed valve is mounted on the transfer pipeline of fluid, it is characterised in that：Including shell and it is mounted on institute
The main valve on shell is stated, is equipped in the shell：
Impeller assembly, the impeller assembly include positioned at the screening water box of transfer pipeline pipeline side and mounted on the screening water
Impeller in box, the fluid in the transfer pipeline drive the wheel rotation；
Gear set, the gear set is by the impeller-driven；
Timing component, the timing component include be slidably installed drive rack inside the shell, timing rack and rotatably mounted
Timing gear, the drive rack drives by the gear set, and the timing rack is driven by the timing gear, described fixed
When gear driven by adjusting knob, the timing rack has the push rod for pushing drive rack movement, the drive rack
One end and the push rod coordinate, the other end of the drive rack is equipped with resetting spring, the timing gear with it is described fixed
Frictional resistance between hour rack is more than the pretightning force of the resetting spring；
Drive component, the driving component include the lever being installed in rotation in shell and the cunning that is slidably installed inside the shell
Row rack, described one end for sliding rack are engaged with the rotate gear of the main valve, and the other end for sliding rack is set
There are limited block and the end to be equipped with compressed spring, one end of the lever is free end, and the free end is driven by the drive rack
Dynamic, the free end is additionally provided with adjustable spring, and the other end of the lever is positive stop end, and the positive stop end stops the limit
Block；
The impeller rotates under the drive of fluid, and the impeller drives the drive rack described in by the gear set
The free end motion of lever, the drive rack are expert at the free end for covering the drive rack and the lever
The lever rotation is pushed after spacing stroke, and the limited block of rack is slided described in the positive stop end deviation of the lever, it is described to slide
Rack slides towards the main valve under the action of compressed spring and the main valve rotation is driven to close the conveying
Pipeline, the timing rack are fixed to realize by adjusting the spacing stroke of the drive rack and the free end of the lever
When close the main valve.
2. a kind of self-operated type Timed valve according to claim 1, it is characterised in that：The transfer pipeline includes water inlet pipe
And outlet pipe, the shell is interior to be equipped with the first branch pipe and the second branch pipe, and first branch pipe and second branch pipe are connected in parallel on institute
It states between water inlet pipe and the outlet pipe, first branch pipe is equipped with shut-off valve, and the main valve is installed on second branch pipe
Door.
3. a kind of self-operated type Timed valve according to claim 2, it is characterised in that：Have on second branch pipe and lacks
Mouthful, notch is located at the main valve upstream, and indentation, there installs the screening water box, and the fluid in second branch pipe drives the screening
Wheel rotation in water box.
4. a kind of self-operated type Timed valve according to claim 3, it is characterised in that：The upstream of the impeller assembly is equipped with
The downstream of first regulating valve, the main valve is equipped with the second regulating valve, and first regulating valve and second regulating valve are all provided with
It sets on second branch pipe.
5. a kind of self-operated type Timed valve according to claim 1, it is characterised in that：The free end of the lever is leaned on
The side of the nearly drive rack is equipped with block.
6. a kind of self-operated type Timed valve according to claim 1, it is characterised in that：The positive stop end is equipped with described in positioning
The shelves mouth of limited block.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610389058.9A CN105937641A (en) | 2016-06-01 | 2016-06-01 | Self-operated timing valve |
| CN2016103890589 | 2016-06-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106195380A CN106195380A (en) | 2016-12-07 |
| CN106195380B true CN106195380B (en) | 2018-08-07 |
Family
ID=57152402
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610389058.9A Pending CN105937641A (en) | 2016-06-01 | 2016-06-01 | Self-operated timing valve |
| CN201610796057.6A Expired - Fee Related CN106195380B (en) | 2016-06-01 | 2016-08-31 | A kind of self-operated type Timed valve |
| CN201621020578.4U Withdrawn - After Issue CN206130235U (en) | 2016-06-01 | 2016-08-31 | Formula of relying on oneself is valve regularly |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610389058.9A Pending CN105937641A (en) | 2016-06-01 | 2016-06-01 | Self-operated timing valve |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621020578.4U Withdrawn - After Issue CN206130235U (en) | 2016-06-01 | 2016-08-31 | Formula of relying on oneself is valve regularly |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN105937641A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937641A (en) * | 2016-06-01 | 2016-09-14 | 周凯峰 | Self-operated timing valve |
| CN107938790A (en) * | 2017-12-26 | 2018-04-20 | 广东新欧智能卫浴有限公司 | A kind of intelligent closestool knob that operation feedback is provided |
| CN109857155A (en) * | 2018-12-18 | 2019-06-07 | 湖北蔚天环保科技有限公司 | A kind of automatic flow controller at regular time and quantity |
| CN109707899B (en) * | 2019-01-21 | 2020-09-22 | 许衍磊 | Agricultural irrigation is with automatic water control valve |
| CN110260012B (en) * | 2019-05-30 | 2020-10-30 | 浦江县鑫隆自动化设备有限公司 | Quantitative liquid outlet type valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2082798U (en) * | 1990-12-11 | 1991-08-14 | 费翔 | Time-delay controllable self-closing water valve |
| CN2632443Y (en) * | 2003-08-13 | 2004-08-11 | 刘玉清 | Automatic water shut-off valves |
| CN103292020A (en) * | 2013-06-25 | 2013-09-11 | 吕忠岩 | Valve automatically saving water through timing |
| CN103672084A (en) * | 2013-12-03 | 2014-03-26 | 国网河南省电力公司商丘供电公司 | Valve |
| CN206130235U (en) * | 2016-06-01 | 2017-04-26 | 周凯峰 | Formula of relying on oneself is valve regularly |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010107367A (en) * | 2000-05-27 | 2001-12-07 | 이동국 | A valve device for automatic supply of water |
| TW201416625A (en) * | 2012-10-31 | 2014-05-01 | Yu-Xiong Chen | Mechanical timing device of gas stove |
-
2016
- 2016-06-01 CN CN201610389058.9A patent/CN105937641A/en active Pending
- 2016-08-31 CN CN201610796057.6A patent/CN106195380B/en not_active Expired - Fee Related
- 2016-08-31 CN CN201621020578.4U patent/CN206130235U/en not_active Withdrawn - After Issue
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2082798U (en) * | 1990-12-11 | 1991-08-14 | 费翔 | Time-delay controllable self-closing water valve |
| CN2632443Y (en) * | 2003-08-13 | 2004-08-11 | 刘玉清 | Automatic water shut-off valves |
| CN103292020A (en) * | 2013-06-25 | 2013-09-11 | 吕忠岩 | Valve automatically saving water through timing |
| CN103672084A (en) * | 2013-12-03 | 2014-03-26 | 国网河南省电力公司商丘供电公司 | Valve |
| CN206130235U (en) * | 2016-06-01 | 2017-04-26 | 周凯峰 | Formula of relying on oneself is valve regularly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN206130235U (en) | 2017-04-26 |
| CN106195380A (en) | 2016-12-07 |
| CN105937641A (en) | 2016-09-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106195380B (en) | A kind of self-operated type Timed valve | |
| CN107228227B (en) | Air-flow butterfly valve | |
| CN105276208A (en) | Multifunctional butterfly valve | |
| CN202674409U (en) | Bi-directional free transform one-way valve | |
| EP2657602A2 (en) | Gas stove and gas flow control device thereof | |
| RU203081U1 (en) | Shut-off valve with rotary segment gate | |
| CN212960137U (en) | Rising stem plate valve closing limiting structure | |
| CN204493752U (en) | A kind of can the stop valve of flow setting type | |
| CN203979596U (en) | A kind of electric hydaulic valve final controlling element | |
| CN210890138U (en) | Corrosion-resistant butterfly valve | |
| CN107917201A (en) | A kind of butterfly valve with self-lubricating function | |
| CN204284543U (en) | A kind of safety check | |
| CN111677889A (en) | Low-friction long-life butterfly valve | |
| CN207796228U (en) | A kind of butterfly valve gear sheet | |
| CN213541341U (en) | Manual butterfly valve convenient to open and close | |
| CN205479385U (en) | Butterfly valve | |
| CN201129541Y (en) | Non-return and cut-off integrated valve | |
| CN219159561U (en) | Pneumatic butterfly valve | |
| CN201875155U (en) | Radiating anti-annealing butterfly valve device | |
| CN204729703U (en) | Ball vibrations trigger type gas cut off valve | |
| CN202158247U (en) | Gate valve pneumatic control executing device | |
| CN205534526U (en) | Take flange formula butterfly valve of spacer pin | |
| CN103216628A (en) | Butterfly valve | |
| CN216618606U (en) | Safety valve | |
| RU46550U1 (en) | VALVE |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191223 Address after: 311400 No.30, No.3 Road, Dongzhou industrial function zone, Dongzhou street, Fuyang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Sansheng Instrument Co., Ltd Address before: 213100 Jiangsu Province, Changzhou city Wujin District walled town high Plum Village No. 44 Patentee before: Zhou Kaifeng |
|
| 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: 20180807 Termination date: 20200831 |