CN205298591U - Angie type governing valve - Google Patents

Angie type governing valve Download PDF

Info

Publication number
CN205298591U
CN205298591U CN201521042818.6U CN201521042818U CN205298591U CN 205298591 U CN205298591 U CN 205298591U CN 201521042818 U CN201521042818 U CN 201521042818U CN 205298591 U CN205298591 U CN 205298591U
Authority
CN
China
Prior art keywords
straight
bar
push rod
valve
rod
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.)
Active
Application number
CN201521042818.6U
Other languages
Chinese (zh)
Inventor
张少鹏
霍光学
马涛
刘健
徐德杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China National Petroleum Corp
China Petroleum Engineering and Construction Corp
CNPC EastChina Design Institute Co Ltd
Original Assignee
China National Petroleum Corp
China Petroleum Engineering and Construction Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China National Petroleum Corp, China Petroleum Engineering and Construction Corp filed Critical China National Petroleum Corp
Priority to CN201521042818.6U priority Critical patent/CN205298591U/en
Application granted granted Critical
Publication of CN205298591U publication Critical patent/CN205298591U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Mechanically-Actuated Valves (AREA)

Abstract

The utility model discloses an angie type governing valve belongs to mechanical technical field. Angie type governing valve includes: push rod, driving medium, knee, valve rod, case and valve body, the push rod sets up with the valve rod is perpendicular, and the knee includes first straight -bar and second straight -bar, first straight -bar perpendicular to second straight -bar, and be on a parallel with the push rod, and the other end of first straight -bar and the one end fixed connection of valve rod, the axis of the axis of first straight -bar, the axis of second straight -bar and valve rod all is located first plane, when the push rod promoted the driving medium motion, the driving medium can drive the motion of second straight -bar, in the other end valve body of valve rod, the fixed other end that sets up at the valve rod of case, the center of the axis of valve rod, the center of case, entry and the center of export all are located the second plane, and the axis perpendicular to second plane of push rod. The utility model provides an angie type governing valve's the relatively poor problem of regulation effect, improved angie type governing valve's regulation effect, the utility model is used for the regulation of flow.

Description

Angle type regulating valve
Technical field
This utility model relates to field of mechanical technique, particularly to a kind of angle type regulating valve.
Background technology
Angle type regulating valve is a kind of valve for regulating liquid or gas flow, and angle type regulating valve is made up of actuator, push rod, connector, valve rod, spool and valve body.
Valve body is cavity structure, and valve body is provided with entrance, outlet and adjustment mouth, and entrance and exit is connected. One end of actuator, push rod, connector and valve rod is sequentially connected with, and the other end of valve rod is through regulating mouth and being positioned at valve body, and spool is fixedly installed on the other end of valve rod, and spool can block or turn on the entrance path to outlet. The center of actuator, the axis of push rod, the axis of valve rod, the center of spool, the center of adjustment mouth and the center of entrance are respectively positioned on same straight line, and outlet is centrally located at the side of this straight line. When needing to regulate entrance to the flow of liquid or gas in the path of outlet, actuator can be controlled move along close or away from adjustment mouth direction, thus driving push rod, connector, valve rod and spool to move along close or away from entrance direction, change the area of the path of spool closure entrance and outlet, it is achieved entrance is to the adjustment of liquid in the path of outlet or gas flow. Further, the design point of this angle type regulating valve is: the active force of push rod and actuator suffered by the gravity of valve rod, push rod and pipeline fluid act on the power on spool and reach balance.
When angle type regulating valve level is installed, the center of the entrance on angle type regulating valve, the center of outlet and regulate the plane at place, center and the plane-parallel of mouth. Owing to the gravity direction of push rod and the axis of push rod are vertical, the power that the active force of actuator suffered by push rod and the gravity of valve rod, push rod and pipeline fluid act on spool is made to be unable to reach balance, simultaneously, when valve rod is by the brought into motion of actuator, push rod and connector, valve rod and the airtight and watertight padding friction in valve body so that airtight and watertight padding is worn and torn, and causes leakage, therefore, the regulating effect of angle type regulating valve is poor.
Utility model content
The problem that regulating effect in order to solve angle type regulating valve is poor, this utility model provides a kind of angle type regulating valve.Described technical scheme is as follows:
Providing a kind of angle type regulating valve, described angle type regulating valve includes: push rod, driving member, knee, valve rod, spool and valve body,
Described push rod and described valve rod are vertically arranged, described knee includes the first straight-bar and the second straight-bar, one end of described first straight-bar is fixing with one end of described second straight-bar to be connected, described first straight-bar is perpendicular to described second straight-bar, and it is parallel to described push rod, the other end of described first straight-bar is fixing with one end of described valve rod to be connected, and the axis of described first straight-bar, the axis of described second straight-bar and the axis of described valve rod are respectively positioned on the first plane;
Described driving member contacts with the other end of one end of described push rod and described second straight-bar respectively, and when described push rod promotes described drive member, described driving member can drive described second straight-bar motion;
Described valve body is cavity structure, the other end of described valve rod is through the adjustment mouth on described valve body and is positioned at described valve body, described spool is fixedly installed on the other end of described valve rod, described spool is for blocking or turn on the path of entrance on the described valve body outlet to described valve body, the axis of described valve rod, the center of described spool, the center of described entrance and the center of described outlet are respectively positioned on the second plane, and the axis of described push rod is perpendicular to described second plane.
Optionally, described driving member is gear, and one end of described push rod and the other end of described second straight-bar are provided with driving cog, and the driving cog on described push rod and the driving cog on described second straight-bar all match with described gear.
Optionally, described angle type regulating valve also includes: transmission case, and described transmission case is fixedly installed on described valve body near the side of described push rod,
Described transmission case is provided with the first opening and the second opening, one end of described push rod is through described first opening and is positioned at described transmission case, the other end of described second straight-bar is through described second opening and is positioned at described transmission case, and described driving member is positioned at described transmission case.
Optionally, described angle type regulating valve also includes: supporting construction,
Described supporting construction is fixedly installed on described transmission case near the inner surface of described valve body, and described second straight-bar is placed in described supporting construction.
Optionally, described angle type regulating valve also includes: actuator,
Described actuator is fixing with the other end of described push rod to be connected.
This utility model provides a kind of angle type regulating valve, in this angle type regulating valve, the axis of the first straight-bar, the axis of the second straight-bar and the axis of valve rod are respectively positioned on the first plane, the axis of valve rod, the center of spool, the center of entrance and the center of outlet are respectively positioned on the second plane, and the axis of push rod is perpendicular to the second plane, when push rod promotes drive member, driving member can drive the second straight-bar motion. when angle type regulating valve level is installed, second plane is parallel to horizontal plane, and the axis of push rod is perpendicular to horizontal plane, the gravity direction of push rod is consistent with the axis of push rod, the power that pipeline fluid acts on spool passes through valve rod, first straight-bar, second straight-bar and transmission case are delivered on push rod, make the gravity of push rod, the active force of push rod can be reached balance by the active force of actuator suffered by push rod and transmission case, simultaneously, when the brought into motion of valve rod drawn stem, valve rod and airtight and watertight padding will not rub, leakage will not be caused, so, improve the regulating effect of angle type regulating valve.
It should be appreciated that it is only exemplary and explanatory that above general description and details hereinafter describe, this utility model can not be limited.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of angle type regulating valve that correlation technique provides;
Fig. 2 is the structural representation of a kind of angle type regulating valve that this utility model embodiment provides;
Fig. 3 is the partial structurtes schematic diagram of a kind of angle type regulating valve that this utility model embodiment provides.
By above-mentioned accompanying drawing, it has been shown that the embodiment that this utility model is clear and definite, will there is more detailed description hereinafter. These accompanying drawings and word describe the scope being not intended to be limited this utility model design by any mode, but by concept of the present utility model being described with reference to specific embodiment for those skilled in the art.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, this utility model embodiment is described in further detail.
The structural representation of a kind of angle type regulating valve 0 that Fig. 1 provides for correlation technique, this angle type regulating valve 0 is made up of actuator 01, push rod 02, connector 03, valve rod 04, spool (not shown in figure 1) and valve body 05.
Valve body 05 is cavity structure, valve body 05 is provided with entrance A1, outlet B1 and regulates mouth C1, and entrance A1 is connected with outlet B1. One end of actuator 01, push rod 02, connector 03 and valve rod 04 is sequentially connected with, the other end of valve rod 04 is through regulating mouth C1 and being positioned at valve body 05, spool is fixedly installed on the other end of valve rod 04, and spool can block or turn on the entrance A1 path to outlet B1. The center of actuator 01, the axis of push rod 02, the axis of valve rod 04, the center of spool, the center of adjustment mouth C1 and the center of entrance A1 are respectively positioned on same straight line, and outlet B1 is centrally located at the side of this straight line. When needing to regulate entrance A1 to the flow of liquid or gas in the path of outlet B1, actuator 01 can be controlled move along close or away from adjustment mouth C1 direction, thus driving push rod 02, connector 03, valve rod 04 and spool to move along close or away from entrance A1 direction, change the area of path of spool closure entrance A1 and outlet B1, it is achieved entrance A1 is to the adjustment of liquid in the path of outlet B1 or gas flow. Further, the design point of this angle type regulating valve 0 is: the active force of push rod 02 and actuator 01 suffered by the gravity of valve rod 04, push rod 02 and pipeline fluid act on the power on spool can reach balance.
When angle type regulating valve 0 level is installed, the center of the entrance A1 on angle type regulating valve 0, the plane at the center of outlet B1 and the place, center of adjustment mouth C1 and plane-parallel, the gravity direction of push rod 02 is vertical with the axis of push rod 02, the gravity direction of valve rod 04 is vertical with the axis of valve rod 04, make push rod 02 and the gravity of valve rod 04, the power that the active force of actuator 01 suffered by push rod 02 and pipeline fluid act on spool is unable to reach balance, simultaneously, at valve rod 04 by actuator 01, during the brought into motion of push rod 02 and connector 03, valve rod 04 and the airtight and watertight padding friction in valve body, airtight and watertight padding is worn and torn, cause leakage, therefore, the regulating effect of angle type regulating valve 0 is poor.
Further, owing to this angle type regulating valve 0 is when level is installed, the centre-of gravity shift of actuator 01 goes out the support scope of valve body, the pipeline being connected with this angle type regulating valve 0 is caused bigger stress, and the duty of actuator 01 on this angle type regulating valve 0, push rod 02 and valve rod 04 does not meet with duty when designing this angle type regulating valve 0, make the stress of all parts on angle type regulating valve 0 more uneven so that the incoordination of all parts on angle type regulating valve 0.
As shown in Figure 2, this utility model embodiment provides a kind of angle type regulating valve 1, and this angle type regulating valve 1 may include that push rod 11, driving member (not shown in Fig. 2), knee 13, valve rod 14, spool (not shown in Fig. 2) and valve body 15.
Push rod 11 and valve rod 14 are vertically arranged, knee 13 includes the first straight-bar M and the second straight-bar N, one end of first straight-bar M is fixing with one end of the second straight-bar N to be connected, first straight-bar M is perpendicular to the second straight-bar N, and it is parallel to push rod 11, the other end of the first straight-bar M is fixing with one end of valve rod 14 to be connected, and the axis of the first straight-bar M, the axis of the second straight-bar N and the axis of valve rod 14 are respectively positioned on the first plane.
Driving member contacts with the other end of one end of push rod 11 and the second straight-bar N respectively, and when push rod 11 promotes drive member, driving member can drive the second straight-bar N motion.
Valve body 15 is cavity structure, the other end of valve rod 14 is through the adjustment mouth C2 on valve body 15 and is positioned at valve body 15, spool is fixedly installed on the other end of valve rod 14, spool is for blocking or turn on the path of entrance A2 on the valve body 15 outlet B2 to valve body 15, the axis of valve rod 14, the center of spool, the center of entrance A2 and the center of outlet B2 are respectively positioned on the second plane, and the axis of push rod 11 is perpendicular to the second plane.
In sum, due in the angle type regulating valve that this utility model embodiment provides, the axis of the first straight-bar, the axis of the second straight-bar and the axis of valve rod are respectively positioned on the first plane, the axis of valve rod, the center of spool, the center of entrance and the center of outlet are respectively positioned on the second plane, and the axis of push rod is perpendicular to the second plane, when push rod promotes drive member, driving member can drive the second straight-bar motion. when angle type regulating valve level is installed, second plane is parallel to horizontal plane, and the axis of push rod is perpendicular to horizontal plane, the gravity direction of push rod is consistent with the axis of push rod, the power that pipeline fluid acts on spool passes through valve rod, first straight-bar, second straight-bar and transmission case are delivered on push rod, make the gravity of push rod, the active force of push rod can be reached balance by the active force of actuator suffered by push rod and transmission case, simultaneously, when the brought into motion of valve rod drawn stem, valve rod and airtight and watertight padding will not rub, leakage will not be caused, so, improve the regulating effect of angle type regulating valve.
It should be noted that the entrance A2 on this angle type regulating valve 1 and outlet B2 can also replace mutually in Fig. 2, this is not construed as limiting by this utility model embodiment. Optionally, the axis of this push rod 11 can be parallel with this first plane.
Please continue to refer to Fig. 2, this angle type regulating valve 1 can also include: actuator 18 and transmission case 16. This actuator 18 can fixing with the other end of push rod 11 be connected, transmission case 16 can be fixedly installed on valve body 15 near the side of push rod 11, transmission case 16 can be provided with the first opening K1 and the second opening K2, one end of push rod 11 is through the first opening K1 and is positioned at transmission case 16, the other end of the second straight-bar N is through the second opening K2 and is positioned at transmission case 16, and driving member is positioned at transmission case 16.This transmission case 16 can be pointed to be positioned at the part being positioned at transmission case 16 on the part of transmission case 16 and the second straight-bar N on the driving member in transmission case 16, push rod 11 and play a protective role.
Further, the partial structurtes schematic diagram of a kind of angle type regulating valve that Fig. 3 provides for this utility model embodiment, as shown in Figure 3, driving member 12 is gear, one end of push rod 11 and the other end of the second straight-bar N are provided with driving cog W, and the driving cog W on the push rod 11 and driving cog W on the second straight-bar N all matches with gear.
Optionally, this angle type regulating valve 1 can also include: supporting construction 17, supporting construction 17 is fixedly installed on transmission case 16 near the inner surface of valve body 15, example, this supporting construction 17 can be massive support thing, guide ring or bearing, it should be noted that this supporting construction 17 can also can to the second straight-bar N structure played a supporting role for other, this is not limited by this utility model embodiment.
Second straight-bar N is placed in supporting construction 17, the second straight-bar N that this supporting construction 17 can be opposite in supporting construction 17 plays a supporting role, and second straight-bar N and the first straight-bar M fixing connect, first straight-bar M is fixing with valve rod 14 to be connected, so, this valve rod 14 can also be played a supporting role by this supporting construction 17, namely under the effect of supporting construction 17, except first straight-bar M acts on the power on valve rod 14 and realizes regulatory function except band ovable valve stem 14 and valve core movement, also reach balance with the gravity of valve rod 14. Owing to this angle type regulating valve 1 is when level is installed, the center of gravity of actuator 18 is positioned at the support scope of valve body, therefore the pipeline being connected with this angle type regulating valve 1 will not be caused bigger stress by this actuator 18, and the duty of actuator 18 on this angle type regulating valve 1, push rod 11 and valve rod 14 meets with duty when designing this angle type regulating valve 1, the stress of all parts on angle type regulating valve 1 relatively balanced, it is to avoid the incoordination of all parts on angle type regulating valve 1.
When the angle type regulating valve using this utility model embodiment to provide, two pipelines each parallel to horizontal plane can be connected with the entrance and exit on this angle type regulating valve respectively, make the liquid in the pipeline being connected with entrance or gas can flow into angle type regulating valve from the entrance angle type regulating valve, flow into the liquid in this angle type regulating valve or gas can flow into, from the outlet angle type regulating valve, the pipeline being connected with outlet.
When regulating the flow of liquid or the gas flowing through this angle type regulating valve, it is possible to the actuator controlled on this angle type regulating valve is moved along close or away from valve body direction so that actuator drives push rod to move along the direction closer or far from valve body. So that push rod promotes driving member to rotate along direction clockwise or counter-clockwise, at driving member when rotating along direction clockwise or counter-clockwise, it is possible to drive the second straight-bar along away from or move near the direction of push rod.
Owing to one end of this second straight-bar and one end of the first straight-bar are fixed and be connected, and one end of the other end of this first straight-bar and valve rod is fixing is connected, wherein, second straight-bar is parallel to valve rod, and first straight-bar be respectively perpendicular to the second straight-bar and valve rod, therefore, the second straight-bar along away from or when moving near the direction of push rod, this first straight-bar can along away from or move near the direction of transmission case, make the spool of valve rod and the valve rod other end along away from or move near the direction of entrance, undertaken turning on or blocking by the path of entrance Yu outlet, and the area changing spool closure entrance with the path of outlet can be passed through, regulate the entrance flow to liquid in the path of outlet or gas, realize the flow of the liquid in two pipelines being connected with the entrance and exit on this angle type regulating valve respectively or gas is adjusted.
Further, owing on this angle type regulating valve, the axis of the first straight-bar, the axis of the second straight-bar and the axis of valve rod are respectively positioned on the first plane, the axis of valve rod, the center of spool, the center of entrance and the center of outlet are respectively positioned on the second plane, and now the second plane and plane-parallel, the axis of push rod is vertical with the second plane, the first plane and horizontal plane. when push rod promotes drive member, driving member can drive the second straight-bar motion, therefore, when angle type regulating valve level is installed, second plane is parallel to horizontal plane, and the axis of push rod is perpendicular to horizontal plane, the gravity direction of push rod is consistent with the axis of push rod, the power that pipeline fluid acts on spool passes through valve rod, first straight-bar, second straight-bar and transmission case are delivered on push rod, make the gravity of push rod, the active force of push rod can be reached balance by the active force of actuator suffered by push rod and transmission case, simultaneously, when the brought into motion of valve rod drawn stem, valve rod and airtight and watertight padding will not rub, leakage will not be caused. and owing to this angle type regulating valve is when level is installed, the center of gravity of actuator and push rod is respectively positioned within the scope of the support of valve body, on angle type regulating valve, the stress of all parts relatively balances, it is to avoid the incoordination of all parts on angle type regulating valve.
In sum, due in the angle type regulating valve that this utility model embodiment provides, the axis of the first straight-bar, the axis of the second straight-bar and the axis of valve rod are respectively positioned on the first plane, the axis of valve rod, the center of spool, the center of entrance and the center of outlet are respectively positioned on the second plane, and the axis of push rod is perpendicular to the second plane, when push rod promotes drive member, driving member can drive the second straight-bar motion. when angle type regulating valve level is installed, second plane is parallel to horizontal plane, and the axis of push rod is perpendicular to horizontal plane, the gravity direction of push rod is consistent with the axis of push rod, the power that pipeline fluid acts on spool passes through valve rod, first straight-bar, second straight-bar and transmission case are delivered on push rod, make the gravity of push rod, the active force of push rod can be reached balance by the active force of actuator suffered by push rod and transmission case, simultaneously, when the brought into motion of valve rod drawn stem, valve rod and airtight and watertight padding will not rub, leakage will not be caused, so, improve the regulating effect of angle type regulating valve.
Above-mentioned all optional technical schemes, it is possible to adopting and arbitrarily combine formation alternative embodiment of the present utility model, this is no longer going to repeat them.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.

Claims (5)

1. an angle type regulating valve, it is characterised in that described angle type regulating valve includes: push rod, driving member, knee, valve rod, spool and valve body,
Described push rod and described valve rod are vertically arranged, described knee includes the first straight-bar and the second straight-bar, one end of described first straight-bar is fixing with one end of described second straight-bar to be connected, described first straight-bar is perpendicular to described second straight-bar, and it is parallel to described push rod, the other end of described first straight-bar is fixing with one end of described valve rod to be connected, and the axis of described first straight-bar, the axis of described second straight-bar and the axis of described valve rod are respectively positioned on the first plane;
Described driving member contacts with the other end of one end of described push rod and described second straight-bar respectively, and when described push rod promotes described drive member, described driving member can drive described second straight-bar motion;
Described valve body is cavity structure, the other end of described valve rod is through the adjustment mouth on described valve body and is positioned at described valve body, described spool is fixedly installed on the other end of described valve rod, described spool is for blocking or turn on the path of entrance on the described valve body outlet to described valve body, the axis of described valve rod, the center of described spool, the center of described entrance and the center of described outlet are respectively positioned on the second plane, and the axis of described push rod is perpendicular to described second plane.
2. angle type regulating valve according to claim 1, it is characterised in that
Described driving member is gear, and one end of described push rod and the other end of described second straight-bar are provided with driving cog, and the driving cog on described push rod and the driving cog on described second straight-bar all match with described gear.
3. angle type regulating valve according to claim 1, it is characterised in that described angle type regulating valve also includes: transmission case, described transmission case is fixedly installed on described valve body near the side of described push rod,
Described transmission case is provided with the first opening and the second opening, one end of described push rod is through described first opening and is positioned at described transmission case, the other end of described second straight-bar is through described second opening and is positioned at described transmission case, and described driving member is positioned at described transmission case.
4. angle type regulating valve according to claim 3, it is characterised in that described angle type regulating valve also includes: supporting construction,
Described supporting construction is fixedly installed on described transmission case near the inner surface of described valve body, and described second straight-bar is placed in described supporting construction.
5. angle type regulating valve according to claim 1, it is characterised in that described angle type regulating valve also includes: actuator,
Described actuator is fixing with the other end of described push rod to be connected.
CN201521042818.6U 2015-12-15 2015-12-15 Angie type governing valve Active CN205298591U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521042818.6U CN205298591U (en) 2015-12-15 2015-12-15 Angie type governing valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521042818.6U CN205298591U (en) 2015-12-15 2015-12-15 Angie type governing valve

Publications (1)

Publication Number Publication Date
CN205298591U true CN205298591U (en) 2016-06-08

Family

ID=56432059

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201521042818.6U Active CN205298591U (en) 2015-12-15 2015-12-15 Angie type governing valve

Country Status (1)

Country Link
CN (1) CN205298591U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108302498A (en) * 2017-10-10 2018-07-20 徐德杰 The LED car lamp of electric vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108302498A (en) * 2017-10-10 2018-07-20 徐德杰 The LED car lamp of electric vehicle

Similar Documents

Publication Publication Date Title
CN105626883B (en) The totally-enclosed contactless flow control system of cavity
CN205298591U (en) Angie type governing valve
CN105156714A (en) Ceramic valve element achieving double-path water output
CN102425680B (en) Ball valve
CN101832399A (en) Differential pressure valve
CN203442298U (en) Axial-flow type regulating valve
CN106051205A (en) Adjusting ball valve
CN207470808U (en) A kind of Water flow adjusting valve
RU2013123869A (en) VALVE HOUSING WITH BUILT-IN OPTIONS TO REDUCE THE LIFT
CN205173994U (en) Conveyor and thermal power system to desulfurization transportation equipment flue gas
CN205136705U (en) Axial compressor is adjustable to delay closed check valve
CN105937635A (en) Device for flow direction switchover and flow control
CN105387242A (en) Piezoelectric thin film type throttling valve
CN205001570U (en) Double - circuit goes out water pottery case
CN211779240U (en) Circulation flow distribution valve
CN202612753U (en) Pressure regulating valve
CN204176033U (en) Combined valve
CN210739440U (en) Novel metal ball valve
CN108087567B (en) A kind of High-performance upload type butterfly valve
CN203384403U (en) Water tap with adjustable water outlet manner
CN202418770U (en) Stacked proportional electromagnetic balance valve
CN202451855U (en) Pressure reducing valve and temperature and pressure reducing device
CN205578996U (en) Equal tee pipe
CN220828586U (en) Double damping regulating valve and flow automatic control equipment
CN104864142A (en) Pressure releasing system

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 100007 Dongzhimen North Street, Dongcheng District, Dongcheng District, Beijing

Co-patentee after: CHINA PETROLEUM ENGINEERING & CONSTRUCTION Corp.

Patentee after: CHINA NATIONAL PETROLEUM Corp.

Address before: 100007 Dongzhimen North Street, Dongcheng District, Dongcheng District, Beijing

Co-patentee before: China Petroleum Engineering & Construction Corp.

Patentee before: China National Petroleum Corp.

CP01 Change in the name or title of a patent holder
TR01 Transfer of patent right

Effective date of registration: 20190604

Address after: 100007 Dongzhimen North Street, Dongcheng District, Dongcheng District, Beijing

Co-patentee after: CNPC EAST CHINA DESIGN INSTITUTE CO.,LTD.

Patentee after: CHINA NATIONAL PETROLEUM Corp.

Address before: 100007 Dongzhimen North Street, Dongcheng District, Dongcheng District, Beijing

Co-patentee before: CHINA PETROLEUM ENGINEERING & CONSTRUCTION Corp.

Patentee before: CHINA NATIONAL PETROLEUM Corp.

TR01 Transfer of patent right