CN205918949U - Pneumatic control valve - Google Patents
Pneumatic control valve Download PDFInfo
- Publication number
- CN205918949U CN205918949U CN201620970212.7U CN201620970212U CN205918949U CN 205918949 U CN205918949 U CN 205918949U CN 201620970212 U CN201620970212 U CN 201620970212U CN 205918949 U CN205918949 U CN 205918949U
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Abstract
The utility model relates to the field of valves, especially, relate to a pneumatic control valve. Pneumatic control valve, including the combination valve, and control the pneumatic control system of combination valve, the combination valve includes the valve body to and first case and the second case of setting in the valve body, and with the first valve rod that first case is connected, and with the second valve rod that the second case is connected, the inside axial of valve body runs through and is equipped with the medium runner, and the valve body comprises first valve body and second valve body interconnect, is equipped with first valve pocket in the first valve body, is equipped with the second valve pocket in the second valve body, this pneumatic control valve is applicable to coal chemical industry, has the degree of automation height, the wearability is good, the strong and long service life's of leakproofness advantage.
Description
Technical field
This utility model is related to valve field, more particularly, to a kind of pneumatic control valve.
Background technology
China is greatly developing Chemical Industry, and the deslagging in gasification furnace, dust removing system operating mode are non-in the industry
Often severe, not only temperature height (reaching 1000 DEG C in short-term), pressure reduction are high for this system, and medium is solid particle or powder state shape, to valve
The performance requirement of door is very high it is desirable to valve has the features such as wear-resisting, corrosion-resistant, high temperature high voltage resistant, long service life.Exist at present
Generally it is installed together using two hard sealing o type ball valves under this operating mode, be divided into import and export side two valve, to ensure deslagging row
Ash system overall operation.But this kind of combination valve has the following disadvantages: 1, because the medium of ash discharge lock hopper exclusion is high-temperature coal
So that valve is in running, ground-slag state medium can be deposited in the valve pocket of ball valve, thus causing valve element and Jie for slag or coal dust
Matter rubs, and scratch sphere causes valve leak, under high pressure differential, valve internals are washed bad soon.And, ball valve
Due to its own architectural characteristic so that medium is easily piled up in valve body cavity body, block valve insertion, thus causing valve torque to increase
Greatly, the phenomenon such as spheroid clamping stagnation, not in place, the damage sealing surface of valve switch.Under high-pressure situations, when valve fits badly, pipeline
Medium can form Choking phenomenon, seriously washes away bad valve.In the case, affected by cavity inner product ash between two valve elements on the contrary,
Greatly reduce the service life of two valves, thus causing heavy economic lossess.2, the execution step of this kind of combination valve is very tight
Lattice, during following closing valve, need first to close an o type ball valve, convection cell is dammed, after inside cavity flows out
Close the 2nd o type ball valve；If now closing the 2nd o type ball valve, then head bay wall body internal flow is cut and is piled up, a now o
Type ball valve cannot be closed and easily be damaged；However, existing combination valve also needs to artificial step-by-step operation, easily error causes great warp
Ji loss.
Content of the invention
In order to solve the above problems, the purpose of this utility model is to provide a kind of pneumatic control valve, this pneumatic control valve
It is applied to Chemical Industry, has that high degree of automation, wearability are good, sealing is strong and the advantage of long service life.
In order to realize above-mentioned purpose, this utility model employs following technical scheme:
Pneumatic control valve, including combination valve, and the atmospheric control controlling described combination valve；It is characterized in that:
Described combination valve includes valve body, and is arranged on the first valve element in valve body and the second valve element, and with described
The first valve rod that one valve element is connected, and the second valve rod being connected with described second valve element；Described valve inner axially passes through
It is equipped with medium runner, valve body is interconnected to constitute by the first valve body and the second valve body, is provided with the first valve pocket in the first valve body, the
It is provided with the second valve pocket in two valve bodies；
First valve pocket bottom of described first valve body is positioned with the first locating shaft, and the first valve pocket top is positioned with the first valve
Bar；Described first valve element is arranged in the first valve pocket, and the section of the first valve element is in v shape, and the v shape open at one end of the first valve element connects
It is fixed on the first locating shaft, the v shape opening other end of the first valve element is fastened on the first valve rod；On described first valve body
It is fixedly connected with the first radiator, the lateral wall of the first radiator is provided with some radiating fin walls, and the first valve rod wears and is positioned at
First radiating is internal；It is provided with the first body of rod black box, the first body of rod black box bag between first valve rod and the first radiator
Include the first filler being arranged between the first valve rod and the first radiator, and for positioning the first filler of described first filler
Set, and for positioning the first hold-down grid of described first filler set；Described first filler set and the first hold-down grid all cover
It is located on the first valve rod, the first hold-down grid is connected on described first radiator by connection member；
Second valve pocket bottom of described second valve body is positioned with the second locating shaft, and the second valve pocket top is positioned with the second valve
Bar；Described second valve element is arranged in the second valve pocket, and the bottom of the second valve element is fixed on the second locating shaft, the second valve element
Upper end is fixed on the second valve rod；The section of described second valve element is in o shape, and the second valve core inside is provided with valve element runner, valve element
Runner is coaxially disposed with described medium runner；Second radiator is fixedly connected with described second valve body, outside the second radiator
Side wall is provided with some radiating fin walls, and the second valve rod wears that to be positioned at the second radiating internal；Second valve rod and the second radiator it
Between be provided with the second body of rod black box, the second body of rod black box includes be arranged between the second valve rod and the second radiator
Two fillers, and it is used for positioning the second filler set of described second filler, and for positioning the second of described second filler set
Hold-down grid；Described second filler set and the second hold-down grid are all set on the second valve rod, and the second hold-down grid passes through to connect
Part connects on described second radiator；
Described atmospheric control includes the airflow pipeline being connected in high-pressure air source, and is arranged on airflow pipeline
Air filtration air relief valve, total way solenoid valve, the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve, the 4th electromagnetic valve, the first machine
Tool valve and the second mechanical valve, and drive the first pneumatic actuator of described first valve rod and drive described second valve rod the
Two pneumatic actuators；Described air filtration air relief valve is arranged on the input of airflow pipeline, the first electromagnetic valve, the second electromagnetism
Valve, the 3rd electromagnetic valve and the 4th electromagnetic valve are arranged in parallel on the airflow pipeline in air filtration air relief valve downstream, the first electromagnetic valve
It is connected on the first pneumatic actuator by airflow pipeline with the second electromagnetic valve, the 3rd electromagnetic valve and the 4th electromagnetic valve pass through gas
Flow tube road is connected on the second pneumatic actuator；Total road electricity is additionally provided with the airflow pipeline in described air filtration air relief valve downstream
Magnet valve, the first mechanical valve and the second mechanical valve are arranged in parallel on the airflow pipeline in total way solenoid valve downstream, the first mechanical valve
Triggering end is coaxially disposed with described first valve rod, and the first mechanical valve connects the 3rd electromagnetic valve and the 4th electromagnetism by airflow pipeline
Valve；The triggering end of described second mechanical valve is coaxially disposed with described second valve rod, and the second mechanical valve connects the by airflow pipeline
One electromagnetic valve and the second electromagnetic valve.
This utility model adopts technique scheme, and this pneumatic control valve has an advantage of following several respects:
1, the valve inner of this pneumatic control valve is provided with the first valve element and the second valve element, and the first valve element is v shape valve, " v "
First valve element of type otch has automatic cutting function, can be effectively isolated ground-slag state medium；Second valve element is o shape valve, o shape valve
Ensure that the sealing of valve body.During closing, the first valve element is first closed, and medium runner is separated, and being effectively isolated ground-slag prevents valve
Core weares and teares；Close it is ensured that the sealing of valve body again by row for o shape valve；
2, in this pneumatic control valve, valve body is provided with the first radiator and the second radiator, and the first radiator and second dissipates
Hot body is used for valve body is radiated, it is to avoid in valve rod, sealing is due to high temperature failure, lifting means safety.First valve rod and first dissipates
It is provided with the first body of rod black box between hot body, between the second valve rod and the second radiator, be provided with the second body of rod black box；Bar
(the first body of rod black box and the second body of rod black box is included), filler is used for ensureing the body of rod and radiator in body black box
Between sealing, filler set and hold-down grid be used for filler is positioned, so that filler is fixed, prevent filler with institute
State to produce in the long-term friction process of valve rod and loosen；Thus lifting its sealing effectiveness, valve body is made to be difficult to produce medium leakage and ooze
Thoroughly, ensure valve body, extend the service life of valve body；
3, this pneumatic control valve is controlled by atmospheric control, the first pneumatic actuator and in atmospheric control
By its air pressure inside of solenoid valve control, the first pneumatic actuator drives the first valve rod to two pneumatic actuators, the first valve rod with
First mechanical valve is connected, first mechanical valve feedback link the second pneumatic actuator；Second pneumatic actuator drives the second valve
Bar, the second valve rod is connected with the second mechanical valve, second mechanical valve feedback link the first pneumatic actuator.This atmospheric control
During execution, the first pneumatic actuator and the second pneumatic actuator can be linked, that is, operation completes the first pneumatic execution successively
Mechanism and the corresponding operating of the second pneumatic actuator, operation not only facilitates, and more avoid that operation order gets wrong and lead to sets
Standby damage.Cooperation combinations thereof valve body mechanism, the execution of this atmospheric control is that the first valve element is first closed, and closes after the second valve element
Close；Second valve element is first opened, the execution order opened after the first valve element.
Brief description
Fig. 1 is the structural representation of combination valve.
Fig. 2 is the structural representation of atmospheric control.
Specific embodiment
Below in conjunction with the accompanying drawings, preferred embodiment of the present utility model is described in further detail.
A kind of pneumatic control combinaing valve body mechanism as shown in Figure 1 and 2, including combination valve, and controls described combination valve
Atmospheric control.
Combination valve
Described combination valve includes valve body, and is arranged on the first valve element 12 in valve body and the second valve element 22, and with institute
State the first valve rod 13 that the first valve element 12 is connected, and the second valve rod 23 being connected with described second valve element 22；Described valve
Internal portion axially penetrates through and is provided with medium runner a, and valve body is interconnected to constitute by the first valve body 11 and the second valve body 21, the first valve body
It is provided with the first valve pocket 14 in 11, in the second valve body 21, be provided with the second valve pocket 24.
First valve element mounting structure is as follows:
First valve pocket 14 bottom of described first valve body 11 is positioned with the first locating shaft 15, and the first valve pocket 14 top is positioned with
First valve rod 13.First radiator 16 is fixedly connected with described first valve body 11, the lateral wall of the first radiator 16 is provided with
Some radiating fin walls, the first valve rod 13 wears and is positioned in the first radiator 16；Between first valve rod 13 and the first radiator 16
It is provided with the first body of rod black box, the first body of rod black box includes being arranged between the first valve rod 13 and the first radiator 16
First filler 171, and for positioning the first filler set 172 of described first filler 171, and be used for positioning described first and fill out
First hold-down grid 173 of material set 172；Described first filler set 172 and the first hold-down grid 173 are all set in the first valve rod 13
On, the first hold-down grid 173 is connected on described first radiator 16 by connection member (as bolt).
Described first valve element 12 is arranged in the first valve pocket 14, and the section of the first valve element 12 is in v shape, the v of the first valve element 12
Shape open at one end is fastened on the first locating shaft 15, and the v shape opening other end of the first valve element 12 is fastened on the first valve
On bar 13.It is provided with first flow black box, first flow black box includes setting in the upstream accent of described first valve pocket 14
Put the first pedestal 181 on the first valve body 11, and be arranged on the first valve seat 182 on the first pedestal 181；First pedestal
181 ring-shaped section and ring-shaped, on the ring body lateral surface of the first pedestal 181, circumference offers some notches, is provided with first in notch
Spring 183, the outer end of the first spring 183 is resisted against on the first valve body 11；The lateral surface of described first valve seat 182 is resisted against
On one pedestal 181, between the first valve seat 182 and the first pedestal 181, it is additionally provided with the first sealing ring 184, the inner of the first valve seat 182
Mouth is fitted tightly with the v shape bottom outside face of described first valve element 12.
Second valve element mounting structure is as follows:
Second valve pocket 24 bottom of described second valve body 21 is positioned with the second locating shaft 25, and the second valve pocket 24 top is positioned with
Second valve rod 23.Second radiator 26 is fixedly connected with described second valve body 21, the lateral wall of the second radiator 26 is provided with
Some radiating fin walls, the second valve rod 23 wears and is positioned in the second radiator 26；Between second valve rod 23 and the second radiator 26
It is provided with the second body of rod black box, the second body of rod black box includes being arranged between the second valve rod 23 and the second radiator 26
Second filler 271, and for positioning the second filler set 272 of described second filler 271, and be used for positioning described second and fill out
Second hold-down grid 273 of material set 272；Described second filler set 272 and the second hold-down grid 273 are all set in the second valve rod 23
On, the second hold-down grid 273 is connected on described second radiator 26 by connection member.
Described second valve element 22 is arranged in the second valve pocket 24, and the bottom of the second valve element 22 is fixed on the second locating shaft 25
On, the upper end of the second valve element 22 is fixed on the second valve rod 23；The section of described second valve element 22 is in o shape, the second valve element 22
Inside is provided with valve element runner 20, and valve element runner is coaxially disposed with described medium runner a；On the both sides accent of described second valve pocket 24
It is provided with second flow channel black box, second flow channel black box includes the second pedestal 281 being arranged on the second valve body 21,
And it is arranged on the second valve seat 282 on the second pedestal 281；The ring-shaped section and ring-shaped of the second pedestal 281, the ring of the second pedestal 281
On outside, circumference offers some notches, is provided with second spring 283 in notch, the outer end of second spring 283 against
On the second valve body 21；The lateral surface of described second valve seat 282 is resisted against on the second pedestal 281, the second valve seat 282 and the second base
It is additionally provided with the second sealing ring 284, the spheroid lateral surface of the inner port of the second valve seat 282 and described second valve element 22 between seat 281
Fit tightly.
In said structure, in the upstream accent of the first valve pocket 14, it is provided with first flow black box, the two of the second valve pocket 24
Second flow channel black box is provided with side chamber mouth, thus ensureing the sealing under valve body closed mode；Specifically, runner is close
In sealing assembly (include first flow black box and second flow channel black box), valve seat is arranged on pedestal, valve seat and valve element
Spheroid lateral surface contact sealing, and be provided between described pedestal and valve body spring adjust, this using spring fitted seal
Compensation sealing means；In sealing, the elastic force of spring acts on pedestal, valve seat successively, make the cooperation of valve seat and valve element tensioner thus
Lift-off seal effect；During valve core rotation, the further compression spring of valve seat, make valve core rotation more convenient；Compared to rigid
Rotation process in sealing structure, produces frictional force and greatly reduces, thus alleviating the mill of spool face during this valve core rotation
Damage situation, extends ball valve service life.In addition, valve body is provided with the first radiator 16 and the second radiator 26, the first radiator
16 and second radiator 26 be used for valve body is radiated, it is to avoid in valve rod, sealing is due to high temperature failure, lifting means safety.First
It is provided with the first body of rod black box between valve rod 13 and the first radiator 16, be provided between the second valve rod 23 and the second radiator 26
Second body of rod black box；(the first body of rod black box and the second body of rod black box is included), filler in body of rod black box
For ensureing the sealing between the body of rod and radiator, filler set and hold-down grid are used for filler is positioned, and make filler pressure
Fasten, prevent filler from producing in the friction process long-term with described valve rod and loosen；Thus lifting its sealing effectiveness, make valve body
It is difficult to produce medium leakage and permeates, ensure valve body, extend the service life of valve body.
Atmospheric control
Described atmospheric control includes the airflow pipeline being connected in high-pressure air source, and is arranged on airflow pipeline
Air filtration air relief valve v7, total way solenoid valve v8, the first electromagnetic valve v1, the second electromagnetic valve v2, the 3rd electromagnetic valve v3, the 4th electromagnetism
Valve v4, the first mechanical valve v5 and the second mechanical valve v6, and drive described first valve rod 13 the first pneumatic actuator t1 and
Drive the second pneumatic actuator t2 of described second valve rod 23.Described air filtration air relief valve v7 is arranged on the defeated of airflow pipeline
Enter on end, the first electromagnetic valve v1, the second electromagnetic valve v2, the 3rd electromagnetic valve v3 and the 4th electromagnetic valve v4 are arranged in parallel in air filtration
On the airflow pipeline in air relief valve v7 downstream, it is pneumatic that the first electromagnetic valve v1 and the second electromagnetic valve v2 is connected to first by airflow pipeline
On actuator t1, the 3rd electromagnetic valve v3 and the 4th electromagnetic valve v4 are connected to the second pneumatic actuator t2 by airflow pipeline
On.It is additionally provided with total way solenoid valve v8, the first mechanical valve v5 and second on the airflow pipeline in described air filtration air relief valve v7 downstream
Mechanical valve v6 is arranged in parallel on the airflow pipeline in total way solenoid valve v8 downstream, the triggering end of the first mechanical valve v5 and described first
Valve rod 13 is coaxially disposed, and the first mechanical valve v5 connects the 3rd electromagnetic valve v3 and the 4th electromagnetic valve v4 by airflow pipeline.Described
The triggering end of two mechanical valve v6 is coaxially disposed with described second valve rod 23, and the second mechanical valve v6 connects the first electricity by airflow pipeline
Magnet valve v1 and the second electromagnetic valve v2.Combinations thereof valve body mechanism is controlled by atmospheric control, first in atmospheric control
Pneumatic actuator t1 and the second pneumatic actuator t2 is driven by its air pressure inside of solenoid valve control, the first pneumatic actuator t1
Dynamic first valve rod 13, the first valve rod 13 is connected with the first mechanical valve v5, first mechanical valve v5 feedback link the second pneumatic execution machine
Structure t2；Second pneumatic actuator t2 drives the second valve rod 23, and the second valve rod 23 is connected with the second mechanical valve v6, the second mechanical valve
V6 feedback link the first pneumatic actuator t1.During the execution of this atmospheric control, can be by the first pneumatic actuator t1 and the
Two pneumatic actuator t2 linkages, that is, operation completes the first pneumatic actuator t1 and the phase of the second pneumatic actuator t2 successively
Should operate, operation not only facilitates, and more avoids the device damage that operation order is got wrong and led to.Cooperation combinations thereof valve body machine
Structure, the execution of this atmospheric control is that the first valve element 12 is first closed, and closes after the second valve element 22；Second valve element 22 is first opened,
The execution order opened after first valve element 12.
Comprehensive
Summary combinaing valve body and atmospheric control, valve inner is provided with the first valve element 12 and the second valve element 22,
First valve element 12 is v shape valve, and first valve element 12 of " v " type otch has automatic cutting function, can be effectively isolated ground-slag state and be situated between
Matter；Second valve element 22 is o shape valve, and o shape valve ensure that the sealing of valve body, and its specific implementation procedure is as follows.
In closing process: the first electromagnetic valve v1 air inlet, the second electromagnetic valve v2 give vent to anger → and the first pneumatic actuator t1 drives
First valve rod 13 drives the first valve element 12 to execute closing → the first valve rod 13 and rotates and trigger the first mechanical valve v5 → the 3rd electromagnetism
Valve v3 air inlet, the 4th electromagnetic valve v4 give vent to anger → and the second pneumatic actuator t2 drives the second valve rod 23 to drive the second valve element 22 to execute
Close.Closing process terminates, and execution is that the first valve element 12 is first closed, the instruction closed after the second valve element 22.
In opening process: the 3rd electromagnetic valve v3 gives vent to anger, the 4th electromagnetic valve v4 air inlet → the second pneumatic actuator t2 drives
Second valve rod 23 drives the second valve element 22 to execute unlatching → the second valve rod 23 and rotates and trigger the second mechanical valve v6 → the first electromagnetism
Valve v1 gives vent to anger, the second electromagnetic valve v2 air inlet → the first pneumatic actuator t1 drives the first valve rod 13 to drive the first valve element 12 to execute
Open.Opening process terminates, and execution is that the second valve element 22 is first opened, the instruction opened after the first valve element 12.
Claims (1)
1. pneumatic control valve, including combination valve, and the atmospheric control controlling described combination valve；It is characterized in that:
Described combination valve includes valve body, and is arranged on the first valve element in valve body and the second valve element, and with described first valve
The first valve rod that core is connected, and the second valve rod being connected with described second valve element；Described valve inner axially penetrates through and sets
There is medium runner, valve body is interconnected to constitute by the first valve body and the second valve body, in the first valve body, be provided with the first valve pocket, the second valve
It is provided with the second valve pocket in vivo；
First valve pocket bottom of described first valve body is positioned with the first locating shaft, and the first valve pocket top is positioned with the first valve rod；Institute
State the first valve element to be arranged in the first valve pocket, the section of the first valve element is in v shape, and the v shape open at one end of the first valve element is connected
On the first locating shaft, the v shape opening other end of the first valve element is fastened on the first valve rod；Connect on described first valve body
It is fixed with the first radiator, the lateral wall of the first radiator is provided with some radiating fin walls, and the first valve rod wears and is positioned at first
Radiating is internal；It is provided with the first body of rod black box, the first body of rod black box includes setting between first valve rod and the first radiator
Put the first filler between the first valve rod and the first radiator, and for positioning the first filler set of described first filler,
And for positioning the first hold-down grid of described first filler set；Described first filler set and the first hold-down grid are all set in
On first valve rod, the first hold-down grid is connected on described first radiator by connection member；
Second valve pocket bottom of described second valve body is positioned with the second locating shaft, and the second valve pocket top is positioned with the second valve rod；Institute
State the second valve element to be arranged in the second valve pocket, the bottom of the second valve element is fixed on the second locating shaft, the upper end of the second valve element
Portion is fixed on the second valve rod；The section of described second valve element is in o shape, and the second valve core inside is provided with valve element runner, valve element runner
It is coaxially disposed with described medium runner；Second radiator, the lateral wall of the second radiator are fixedly connected with described second valve body
It is provided with some radiating fin walls, the second valve rod wears that to be positioned at the second radiating internal；Set between second valve rod and the second radiator
There is the second body of rod black box, what the second body of rod black box included being arranged between the second valve rod and the second radiator second fills out
Material, and it is used for positioning the second filler set of described second filler, and for positioning the second filler of described second filler set
Pressing plate；Described second filler set and the second hold-down grid are all set on the second valve rod, and the second hold-down grid passes through connection member
Connect on described second radiator；
Described atmospheric control includes the airflow pipeline being connected in high-pressure air source, and is arranged on the air on airflow pipeline
Filtering pressure reducing valve, total way solenoid valve, the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve, the 4th electromagnetic valve, the first mechanical valve
With the second mechanical valve, and drive described first valve rod the first pneumatic actuator and drive described second valve rod the second gas
Dynamic actuator；Described air filtration air relief valve is arranged on the input of airflow pipeline, the first electromagnetic valve, the second electromagnetic valve,
3rd electromagnetic valve and the 4th electromagnetic valve are arranged in parallel on the airflow pipeline in air filtration air relief valve downstream, the first electromagnetic valve and
Two electromagnetic valves are connected on the first pneumatic actuator by airflow pipeline, and the 3rd electromagnetic valve and the 4th electromagnetic valve pass through gas flow tube
Road is connected on the second pneumatic actuator；It is additionally provided with total road electromagnetism on the airflow pipeline in described air filtration air relief valve downstream
Valve, the first mechanical valve and the second mechanical valve are arranged in parallel on the airflow pipeline in total way solenoid valve downstream, the first mechanical valve touch
Make a start and be coaxially disposed with described first valve rod, the first mechanical valve connects the 3rd electromagnetic valve and the 4th electromagnetic valve by airflow pipeline；
The triggering end of described second mechanical valve is coaxially disposed with described second valve rod, and the second mechanical valve connects the first electricity by airflow pipeline
Magnet valve and the second electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620970212.7U CN205918949U (en) | 2016-08-29 | 2016-08-29 | Pneumatic control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620970212.7U CN205918949U (en) | 2016-08-29 | 2016-08-29 | Pneumatic control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205918949U true CN205918949U (en) | 2017-02-01 |
Family
ID=57869461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620970212.7U Withdrawn - After Issue CN205918949U (en) | 2016-08-29 | 2016-08-29 | Pneumatic control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205918949U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090338A (en) * | 2016-08-29 | 2016-11-09 | 浙江中德自控科技股份有限公司 | Pneumatic control valve |
-
2016
- 2016-08-29 CN CN201620970212.7U patent/CN205918949U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090338A (en) * | 2016-08-29 | 2016-11-09 | 浙江中德自控科技股份有限公司 | Pneumatic control valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170201 Effective date of abandoning: 20180622 |