CN102937191A - Bi-directional stop valve and assembling method thereof - Google Patents

Bi-directional stop valve and assembling method thereof Download PDF

Info

Publication number
CN102937191A
CN102937191A CN2012104581866A CN201210458186A CN102937191A CN 102937191 A CN102937191 A CN 102937191A CN 2012104581866 A CN2012104581866 A CN 2012104581866A CN 201210458186 A CN201210458186 A CN 201210458186A CN 102937191 A CN102937191 A CN 102937191A
Authority
CN
China
Prior art keywords
long bolt
chock plug
valve
air pipe
port
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.)
Granted
Application number
CN2012104581866A
Other languages
Chinese (zh)
Other versions
CN102937191B (en
Inventor
邹岳明
邹玉杰
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.)
Zhenjiang Power Supply Company State Grid Jiangsu Electric Power Co
Zou Yueming
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201210458186.6A priority Critical patent/CN102937191B/en
Priority claimed from CN 201110404086 external-priority patent/CN102434679B/en
Publication of CN102937191A publication Critical patent/CN102937191A/en
Application granted granted Critical
Publication of CN102937191B publication Critical patent/CN102937191B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Taps Or Cocks (AREA)
  • Lift Valve (AREA)

Abstract

The invention relates to a bi-directional stop valve and an assembling method thereof. The bi-directional stop valve comprises an inner cavity and an outer cavity, wherein a middle separation plate is divided into the inner cavity and the outer cavity, and a long bolt penetrates through a valve cover and a gas guide pipe on the middle separation baffle sequentially; the long bolt is in screw-thread fit with the valve cover, the long bolt is provided with an outer piston head which is opposite to a top port of the gas guide pipe and an inner piston head which is opposite to a bottom port of the gas guide pipe; and when the long bolt is rotated, the inner piston head and the outer piston head move opposite and in the same direction. When the outer piston head seals and presses the top port of the gas guide pipe, the inner piston moves axially along the long bolt, seals and presses the bottom port of the gas guide pipe, so that the valve is closed; and the long bolt is rotated reversely, so that the valve can be opened. When the valve is closed, even if the impermeability of one of the piston heads is reduced due to abrasion and impurities, by the aid of the other piston head, the valve body is closed, and the safety of a high-pressure liquid storage tank.

Description

A kind of two-way shut-off valve and assembly method thereof
The present invention divides an application, the application number of original application: 201110404086.0, and invention and created name: a kind of two-way shut-off valve and assembly method thereof, the applying date: 011-12-08.
Technical field
The present invention relates to a kind of two-way shut-off valve and assembly method thereof, specifically be applied to the valve body on the high pressure liquid containers such as liquid chlorine tank, liquid gas.
Background technique
Existing high pressure gas holder valve, it often adopts single chock plug, and working life is shorter.Often there is impurity in the high pressure liquid containers such as liquid chlorine tank, liquid gas, easily make valve body the situations such as leakage occur, and then cause major hidden danger to social safety.
How to provide a kind of working life overlength, maintenance cost is cheap and be suitable for avoiding the high pressure gas holder valve of Leakage Gas, is the technical barrier of related domain.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of simple in structure, overlong service life, the valve body opening and closing speed is very fast, maintenance cost is cheap and be suitable for avoiding two-way shut-off valve and the assembly method thereof of Leakage Gas.
For solving the problems of the technologies described above, two-way shut-off valve provided by the invention comprises: valve pocket, this valve pocket comprises the inside and outside chamber be divided into by intermediate clapboard, intermediate clapboard is provided with the air pipe that is communicated with described inside and outside chamber, and the bottom of inner chamber is provided with suction port, on the sidewall of exocoel, is communicated with exhaust joint; The upper end of valve pocket is provided with valve gap, and a long bolt is successively through described valve gap and air pipe.
Wherein, long bolt coordinates with valve bonnet seal by a Sealing, and this long bolt coordinates with the screw top of described valve gap.The top of long bolt is provided with handwheel.
Be fixed with the outer chock plug that the top port with described air pipe is oppositely arranged on long bolt in described exocoel; On long bolt in described inner chamber, screw-thread fit has the interior chock plug that the bottom port with described air pipe is oppositely arranged; The lower thread section coordinated with chock plug in this of long bolt is contrary with the hand of spiral with upper thread section described valve gap screw-thread fit this long bolt, and then, when rotating long bolt, inside and outside chock plug is suitable in opposite directions or reverse displacement.With respect to the mode of single chock plug, there are the characteristics of valve body open and close speed.
Interior chock plug comprises plug head and is fixed on the sleeve coordinated with the bottom thread of described long bolt of this plug head bottom, the bottom sealing of this sleeve, and the cross section of this sleeve is polygonal;
The bottom of described suction port has an annular fitting recess, be provided with disk in this annular fitting recess, be distributed with through hole on disk, disk central authorities are provided with the irregularly-shaped hole be movably set on described sleeve, and the sidewall of valve pocket bottom is provided with for locking the Cock screw of described disk;
After Cock screw is locked described disk, the irregularly-shaped hole on described disk be suitable for limiting described interior chock plug coordinating of described sleeve with described long bolt synchronous rotary.
When rotating described long bolt, and the mating face seal that makes described outer chock plug is while being pressed on the top port of described air pipe, described interior chock plug is suitable for along described long bolt axial displacement and the mating face seal of described interior chock plug is pressed on the bottom port of described air pipe, thereby by this two-way shut-off valve closure; Rotate backward described long bolt and can open this two-way shut-off valve.
Further, the fitting surface of described inside and outside chock plug is provided with sealing gasket, and during use, the top of the described air pipe of sealing pad and hard, bottom port directly are sealed and matched, the sealing effect when guaranteeing that valve body is closed.
Further, the bottom of described valve pocket is provided with flange, to facilitate on high pressure gas holders such as this two-way stop valve seal being assemblied in to the liquid chlorine tank.
Further, the top of described air pipe, the end face of bottom are the annular of outwardly convex, to reduce the Impurity deposition in liquid gas in tank on the top of described air pipe, bottom port, the sealing effect while guaranteeing to use.
Further, on the sidewall of the air pipe in described inner chamber or on the sidewall of described sleeve or the plug head of described interior chock plug be provided with the solution pressure valve that connects described air pipe and described inner chamber, with at described air pipe during by described inside and outside chock plug sealing, remain in that liquid Yin Wendu in air pipe raises and the pressurized gas that generate are suitable for entering described inner chamber.In practice, remain in liquid chlorine in air pipe etc. more responsive to temperature, very easily gasification and the air pressure in air pipe is raise rapidly rapidly when temperature rises to certain value.Separate pressure valve and the pressurized gas that may generate in air pipe can be entered to described inner chamber, prevent the high pressure that may exist in the described air pipe destruction to the effect that is sealed and matched at described inside and outside chock plug and air pipe two ends, guaranteed reliability and the Security of this two-way shut-off valve.
Particularly, described valve gap has the base plate be sealed and matched on the valve pocket open-topped, and this base plate is provided with through hole, and described long bolt is through this through hole, and described Sealing is located in this through hole.
Further, described Sealing upper end is provided with for compressing the pressure strip of the seal, and this pressure strip is connected on the base plate of described valve gap by a plurality of adjusting bolts.Due to Sealing, often adopt the fillers such as tetrafluoroethylene or graphite to form, in use easy to wear and affect sealing effect; The regular fastening seal of pressure strip that adopts adjusting bolt to control, be suitable for guaranteeing sealing effect.
The present invention also provides a kind of assembly method of described two-way shut-off valve, and it comprises:
A, with the long bolt of handwheel successively through described valve gap and air pipe, then interior chock plug is connected to the bottom of long bolt;
B, be tightly connected described valve gap and valve pocket, then rotate described long bolt, and the fitting surface of described outer chock plug is pressed on the top port of described air pipe; Simultaneously, described Sealing is set, described long bolt is coordinated with valve bonnet seal;
Chock plug in C, rotation, make it along described long bolt axial displacement and the fitting surface of interior chock plug be pressed on the bottom port of described air pipe; Pressure between the top port of the pressure between the fitting surface that simultaneously, makes chock plug in this and the bottom port of described air pipe and the fitting surface of described outer chock plug and described air pipe is consistent; To guarantee synchronous sealed or the unlatching of two ports of described air pipe, and then the working life of guaranteeing this valve integral body.
In D, the annular fitting recess bottom described suction port, described disk is set in to the sleeve bottom of described interior chock plug, and lock described disk with Cock screw, to prevent that described interior chock plug is with described long bolt synchronous rotary, make chock plug in this only be suitable for axial displacement on long bolt.
As the scheme of optimizing, on the sidewall that also comprises the steps: the air pipe in described inner chamber between described step C and D or on the sidewall of described sleeve or the solution pressure valve of the described air pipe of a connection and described inner chamber is set on the plug head of described interior chock plug, with at described air pipe during by described inside and outside chock plug sealing, remain in that liquid Yin Wendu in air pipe raises and the pressurized gas that generate are suitable for entering described inner chamber.
The technique effect that the present invention has: when (1) two-way shut-off valve of the present invention is used, rotate described long bolt, and the mating face seal that makes described outer chock plug is pressed on the top port of described air pipe, described interior chock plug is suitable for along described long bolt axial displacement and its mating face seal is pressed on the bottom port of described air pipe simultaneously, thereby will stop up fully as the two ends of the air pipe of unique exhaust passage, make this two-way shut-off valve closure; Due in the described long bolt of rotation makes the process of valve body closure, inside and outside chock plug is suitable for displacement in opposite directions.With respect to the mode that adopts the single chock plug of bolt rod driving, have that the valve body closing velocity is very fast, the more reliable characteristics of closure effect.In like manner, rotate backward described long bolt and can open fast this two-way shut-off valve.(2) in the present invention, after the valve body closure, even if one of inside and outside chock plug descends because the factors such as wearing and tearing or impurity cause seal, another chock plug still can play separately the effect of valve body, realize the two-way safeguarding function of valve body closure, guaranteed the Security of high pressure liquid container.(3) in the present invention, the sealing gasket on the fitting surface of inside and outside chock plug is easily damaged parts, only need to regularly replace the sealing pad reusable, so maintenance cost is cheap.
The accompanying drawing explanation
For content of the present invention is more likely to be clearly understood, below the specific embodiment by reference to the accompanying drawings of basis, the present invention is further detailed explanation, wherein
Fig. 1 is the part section structural representation of high pressure gas holder of the present invention by two-way shut-off valve;
Fig. 2 is the cross-sectional view of the solution pressure valve in described two-way shut-off valve;
Fig. 3 is the another kind assembling schematic diagram of described solution pressure valve;
Fig. 4 is the third assembling schematic diagram of described solution pressure valve;
Fig. 5 is the assembly structure schematic diagram of the disk in described two-way shut-off valve.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail:
Embodiment 1
As Fig. 1, the two-way shut-off valve of the present embodiment comprises: valve pocket 1, this valve pocket 1 comprises the exocoel 11 and the inner chamber 12 that distribute up and down be divided into by intermediate clapboard 13, intermediate clapboard 13 is weldingly connected with the inner wall sealing of valve pocket 1, the central authorities of intermediate clapboard 13 are provided with the air pipe 14 that is communicated with described inner chamber 12 and exocoel 11, the outer wall of air pipe 14 and intermediate clapboard 13 are tightly connected, and the bottom of inner chamber 12 is provided with suction port 15, are communicated with exhaust joint 16 on the sidewall of exocoel 11; The upper end of valve pocket 1 is provided with support frame type or hat type valve gap 2, one long bolts 3 pass described valve gap 2 and air pipe 14 successively.
Described long bolt 3 coordinates with the screw top of described valve gap 2.Described valve gap 2 has the base plate be sealed and matched on valve pocket 1 open-topped, and this base plate is provided with through hole, and described long bolt 3 passes this through hole, and adopts a Sealing 17 to be located in this through hole, and Sealing 17 and long bolt 3 are sealed and matched.
The top of long bolt 3 is provided with handwheel 4.The material of valve pocket 1, long bolt 3, interior chock plug 32, outer chock plug 31 and sealing gasket etc., according to the factor such as liquid property in different applications, set pressure pan, is carried out corresponding selection.
Be fixed with the outer chock plug 31 that the top port with described air pipe 14 is oppositely arranged on long bolt 3 in described exocoel 11; On long bolt 3 in described inner chamber 12, screw-thread fit has the interior chock plug 32 that the bottom port with described air pipe 14 is oppositely arranged; The lower thread sections that coordinate with chock plug in this 32 of long bolt 3 are contrary with the hand of spiral with upper thread sections described valve gap 2 screw-thread fit this long bolt 3, and then when rotating long bolt 3, interior chock plug 32, outer chock plug 31 be suitable for locking phase to or reverse displacement.
As the embodiment of optimizing, the top of described air pipe 14, the end face of bottom are the synchronous outwards annular of arc convex, to reduce the Impurity deposition in liquid gas in tank on the top of described air pipe 14, bottom port, guarantee the top of described sealing gasket and this air pipe 14, the sealing effect of bottom port.
Interior chock plug 32 comprises the sleeve 321 that plug head and the bottom thread with described long bolt 3 that is fixed on this plug head bottom coordinate, the bottom sealing of this sleeve 321, and the cross section of this sleeve 321 is polygonal, preferably rectangle or triangle or pentagon.
The bottom of described suction port 15 has an annular fitting recess, in this annular fitting recess, is provided with disk 10, is distributed with through hole 101 on disk 10, as exhaust passage; The central authorities of disk 10 have the irregularly-shaped hole 102 be movably set on described sleeve 321, and the sidewall of valve pocket 1 bottom is provided with the Cock screw 100 for locking described disk 10; The sectional shape of the shape of irregularly-shaped hole 102 and described sleeve 321 is basically identical, with after the described disk 10 of Cock screw 100 locking, irregularly-shaped hole 102 on described disk 10 be suitable for limiting described interior chock plug 32 coordinating of described sleeve 321 with described long bolt 3 synchronous rotaries, make chock plug 32 in this only be suitable for axial displacement on long bolt 3.
When rotating described long bolt 3, and the mating face seal that makes described outer chock plug 31 is while being pressed on the top port of described air pipe 14, described interior chock plug 32 is suitable for along described long bolt 3 axial displacements and its mating face seal is pressed on the bottom port of described air pipe 14, thereby by this two-way shut-off valve closure; Rotate backward described long bolt 3 and can open this two-way shut-off valve.
Particularly, the top of described air pipe 14, the end face of bottom are arc shaped surface, interior chock plug 32, outer chock plug 31 are the tack plug, its fitting surface is provided with the tetrafluoroethylene sealing gasket, during use, the top of the described air pipe of sealing pad and hard, bottom port directly are sealed and matched, the sealing effect when guaranteeing that valve body is closed.
As Fig. 3, as the scheme of optimizing, interior chock plug 32, outer chock plug 31 are truncated cone.The tetrafluoroethylene sealing gasket is located on the arc external side of interior chock plug 32, outer chock plug 31.
The bottom of described valve pocket 1 is provided with flange 18, to facilitate on high pressure gas holders such as this two-way stop valve seal being assemblied in to the liquid chlorine tank.
Remain in liquid chlorine in air pipe 14 etc. more responsive to temperature, very easily gasification and the air pressure in air pipe 14 is raise rapidly rapidly at suitable temperature.For this reason, on the sidewall of the air pipe 14 in described inner chamber 12 or on the sidewall of described sleeve 321 or the plug head of described interior chock plug 32 be provided with the solution pressure valve 19 that connects described air pipe 14 and described inner chamber 12, with when described air pipe 14 is sealed by described inside and outside chock plug 32,31, the interior pressurized gas that may generate of air pipe 14 are entered to described inner chamber 12, prevent the interior effect that is sealed and matched that may have the described inside and outside chock plug of affected by high and air pipe 14 two ends of described air pipe 14.
Described Sealing 17 upper ends are provided with the pressure strip 22 that bolt is controlled.Adopt the formations such as stuffing box packing due to Sealing 17, in use often exist filler to run off; The pressure strip 22 that adopts bolt to control regularly tightens up or changes the seal 17, is suitable for guaranteeing the slipper seal effect of Sealing 17 and long bolt 3.
 
Embodiment 2
The assembly method of embodiment's 1 described two-way shut-off valve, it comprises:
A, with the long bolt 3 of handwheel 4 successively through described valve gap 2 and air pipe 14, then interior chock plug 32 is connected to the bottom of long bolt 3;
B, be tightly connected described valve gap 2 and valve pocket 1, then rotate described long bolt 3, and the fitting surface of described outer chock plug 31 is pressed on the top port of described air pipe 14; Simultaneously, described Sealing 17 is set, described long bolt 3 is sealed and matched with valve gap 2;
Chock plug 32 in C, rotation, make it along described long bolt 3 axial displacements and the fitting surface of interior chock plug 32 be pressed on the bottom port of described air pipe 14; Pressure between the top port of the pressure between the fitting surface that simultaneously, makes chock plug 32 in this and the bottom port of described air pipe 14 and the fitting surface of described outer chock plug 31 and described air pipe 14 is consistent; To guarantee synchronous sealed or the unlatching of 14 two ports of described air pipe, and then the working life of guaranteeing this valve integral body.
D, in the annular fitting recess of described suction port 15 bottoms, described disk 10 is set in to sleeve 321 bottoms of described interior chock plug 32, and lock described disk 10 with Cock screw 100, to prevent that described interior chock plug 32 is with described long bolt 3 synchronous rotaries, make chock plug 32 in this only be suitable for axial displacement on long bolt 3.
As the scheme of optimizing, the solution pressure valve 19 of the described air pipe 14 of one connection and described inner chamber 12 is set on the sidewall that also comprises the steps: the air pipe 14 in described inner chamber 12 between described step C and D or on the sidewall of described sleeve 321 or on the plug head of described interior chock plug 32, with at described air pipe 14 during by described inside and outside chock plug 32,31 sealing, remain in that liquid Yin Wendu in air pipe 14 raises and the pressurized gas that generate are suitable for entering described inner chamber 12.
Obviously, above-described embodiment is only for example of the present invention clearly is described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all mode of executions.And these belong to apparent variation that spirit of the present invention extended out or change still among protection scope of the present invention.

Claims (2)

1. a two-way shut-off valve, it is characterized in that comprising: valve pocket (1), this valve pocket (1) comprises the inside and outside chamber (12,11) be divided into by intermediate clapboard (13), intermediate clapboard (13) is provided with the air pipe (14) that is communicated with described inside and outside chamber (12,11), the bottom of inner chamber (12) is provided with suction port (15), is communicated with exhaust joint (16) on the sidewall of exocoel (11);
The upper end of valve pocket (1) is provided with valve gap (2), and a long bolt (3) is successively through described valve gap (2) and air pipe (14);
Wherein, long bolt (3) is sealed and matched by a Sealing (17) and valve gap (2), and this long bolt (3) coordinates with the screw top of described valve gap (2);
Be fixed with the outer chock plug (31) that the top port with described air pipe (14) is oppositely arranged on long bolt (3) in described exocoel (11); The interior chock plug (32) that the upper screw-thread fit of long bolt (3) in described inner chamber (12) has the bottom port with described air pipe (14) to be oppositely arranged; The lower thread section coordinated with chock plug in this (32) of long bolt (3) is contrary with hand of spiral with upper thread section described valve gap (2) screw-thread fit this long bolt (3);
Interior chock plug (32) comprises the sleeve (321) that plug head and the bottom thread with described long bolt (3) that is fixed on this plug head bottom coordinate, the bottom sealing of this sleeve (321), and the cross section of this sleeve (321) is polygonal;
The bottom of described suction port (15) has an annular fitting recess, be provided with disk (10) in this annular fitting recess, be distributed with through hole (101) on disk (10), disk (10) central authorities are provided with the irregularly-shaped hole (102) be movably set on described sleeve (321), and the sidewall of valve pocket (1) bottom is provided with the Cock screw (100) for locking described disk (10);
After Cock screw (100) is locked described disk (10), the irregularly-shaped hole (102) on described disk (10) be suitable for limiting described interior chock plug (32) coordinating of described sleeve (321) with described long bolt (3) synchronous rotary;
When rotating described long bolt (3), and the mating face seal that makes described outer chock plug (31) is while being pressed on the top port of described air pipe (14), described interior chock plug (32) is suitable for along (3) axial displacement of described long bolt and the mating face seal of described interior chock plug (32) is pressed on the bottom port of described air pipe (14), thereby by this two-way shut-off valve closure; Rotate backward described long bolt (3) and can open this two-way shut-off valve;
The fitting surface of described inside and outside chock plug (32,31) is provided with sealing gasket, and the top of described air pipe (14), the end face of bottom are the annular of outwardly convex;
The bottom of described valve pocket (1) is provided with flange (18);
The top of described long bolt (3) is provided with handwheel (4).
2. the assembly method of a two-way shut-off valve according to claim 1 is characterized in that comprising:
A, with the long bolt (3) of handwheel (4) successively through described valve gap (2) and air pipe (14), then interior chock plug (32) is connected to the bottom of long bolt (3);
B, be tightly connected described valve gap (2) and valve pocket (1), then rotate described long bolt (3), and the fitting surface of described outer chock plug (31) is pressed on the top port of described air pipe (14); Simultaneously, described Sealing (17) is set, described long bolt (3) and valve gap (2) are sealed and matched;
Chock plug (32) in C, rotation, make it be pressed on the bottom port of described air pipe (14) along (3) axial displacement of described long bolt and by the fitting surface of interior chock plug (32); Pressure between the top port of the pressure between the fitting surface that simultaneously, makes chock plug (32) in this and the bottom port of described air pipe (14) and the fitting surface of described outer chock plug (31) and described air pipe (14) is consistent;
D, in the annular fitting recess of described suction port (15) bottom, described disk (10) is set in to sleeve (321) bottom of described interior chock plug (32), and lock described disk (10) with Cock screw (100), to prevent that described interior chock plug (32) is with described long bolt (3) synchronous rotary.
CN201210458186.6A 2011-12-08 2011-12-08 A kind of two-way shut-off valve and assembly method thereof Active CN102937191B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210458186.6A CN102937191B (en) 2011-12-08 2011-12-08 A kind of two-way shut-off valve and assembly method thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN 201110404086 CN102434679B (en) 2011-12-08 2011-12-08 Two-way stop valve and assembling method thereof
CN201210458186.6A CN102937191B (en) 2011-12-08 2011-12-08 A kind of two-way shut-off valve and assembly method thereof

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN 201110404086 Division CN102434679B (en) 2011-12-08 2011-12-08 Two-way stop valve and assembling method thereof

Publications (2)

Publication Number Publication Date
CN102937191A true CN102937191A (en) 2013-02-20
CN102937191B CN102937191B (en) 2016-12-21

Family

ID=47696105

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210458186.6A Active CN102937191B (en) 2011-12-08 2011-12-08 A kind of two-way shut-off valve and assembly method thereof

Country Status (1)

Country Link
CN (1) CN102937191B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103306826A (en) * 2013-05-17 2013-09-18 杭叉集团股份有限公司 Double control air inlet stop valve
CN107660261A (en) * 2015-05-08 2018-02-02 戴姆勒股份公司 Extract valve

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0217321A2 (en) * 1985-10-02 1987-04-08 Hans Dr. Viessmann Shut-off valve
CN102235507A (en) * 2010-04-27 2011-11-09 张允通 Method for producing internally inverted seat plate valve
CN102434679B (en) * 2011-12-08 2013-04-03 邹岳明 Two-way stop valve and assembling method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0217321A2 (en) * 1985-10-02 1987-04-08 Hans Dr. Viessmann Shut-off valve
CN102235507A (en) * 2010-04-27 2011-11-09 张允通 Method for producing internally inverted seat plate valve
CN102434679B (en) * 2011-12-08 2013-04-03 邹岳明 Two-way stop valve and assembling method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103306826A (en) * 2013-05-17 2013-09-18 杭叉集团股份有限公司 Double control air inlet stop valve
CN103306826B (en) * 2013-05-17 2016-03-09 杭叉集团股份有限公司 Double control air inlet stop valve
CN107660261A (en) * 2015-05-08 2018-02-02 戴姆勒股份公司 Extract valve
CN107660261B (en) * 2015-05-08 2019-06-28 戴姆勒股份公司 Extract valve

Also Published As

Publication number Publication date
CN102937191B (en) 2016-12-21

Similar Documents

Publication Publication Date Title
CN106352116A (en) Novel double-layered four-way reversing valve
SG178381A1 (en) Dual barrier plug system for a wellhead
CN108240195A (en) Polished rod sealer
CN201944408U (en) Special stop valve for chlorine gas
CN102927301A (en) Two-way check valve
CN102434679B (en) Two-way stop valve and assembling method thereof
WO2016155319A1 (en) Multi-protection corrugated pipe stop valve for chlorine use
CN102937191A (en) Bi-directional stop valve and assembling method thereof
CN102927302A (en) Two-way stop valve
CN202327130U (en) Bidirectional stop valve
CN203531821U (en) Blowout prevention combined valve type Christmas tree
CN111779842A (en) Regulating valve for hot-melt salt
CN205350465U (en) Y stop check valve that appears
US10036485B2 (en) Dual seal fire safe stem packing orientation
CN205936488U (en) Polish rod sealer
CN204592533U (en) Orbit ball valve can compensation multiplex valve rod seal structure
CN105370935A (en) Y-shaped stop-check valve
CN203309137U (en) Y-shaped heat-insulating stop valve
CN201902188U (en) Integral type pumping well head device
CN203009855U (en) Internal-pressure self-sealing type valve cover stop valve
CN102434676A (en) Self-balancing stop valve
CN207112079U (en) A kind of valve outer valve stem on-line pressure sealant fixture
CN201487240U (en) Full sealed zero leakage stop valve
CN102494144B (en) Stop valve
CN207813576U (en) A kind of production wellhead gate valve

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
ASS Succession or assignment of patent right

Free format text: FORMER OWNER: ZOU YUJIE

Effective date: 20140902

C41 Transfer of patent application or patent right or utility model
TA01 Transfer of patent application right

Effective date of registration: 20140902

Address after: 213000 Tongjiang City, Jiangsu Province, North Road, No. 600 middle Jiangsu Yangtze River plastics market, building No. 9, No. 15, No.

Applicant after: Zou Yueming

Address before: 213000 Tongjiang City, Jiangsu Province, North Road, No. 600 middle Jiangsu Yangtze River plastics market, building No. 9, No. 15, No.

Applicant before: Zou Yueming

Applicant before: Zou Yujie

C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information

Inventor after: Zou Yueming

Inventor after: Dang Zhanjun

Inventor after: Liu Haihong

Inventor before: Zou Yueming

Inventor before: Zou Yujie

COR Change of bibliographic data
C41 Transfer of patent application or patent right or utility model
CB02 Change of applicant information

Address after: 225321 Taizhou, Zhejiang Province, the Yangtze River in the southern port of the Yangtze River Road, No. 36

Applicant after: Zou Yueming

Applicant after: ZHENJIANG POWER SUPPLY COMPANY, STATE GRID JIANGSU ELECTRIC POWER Co.

Address before: 213000 Tongjiang City, Jiangsu Province, North Road, No. 600 middle Jiangsu Yangtze River plastics market, building No. 9, No. 15, No.

Applicant before: Zou Yueming

Applicant before: ZHENJIANG POWER SUPPLY COMPANY, STATE GRID JIANGSU ELECTRIC POWER Co.

COR Change of bibliographic data
TA01 Transfer of patent application right

Effective date of registration: 20161122

Address after: 213000 Tongjiang City, Jiangsu Province, North Road, No. 600 middle Jiangsu Yangtze River plastics market, building No. 9, No. 15, No.

Applicant after: Zou Yueming

Applicant after: ZHENJIANG POWER SUPPLY COMPANY, STATE GRID JIANGSU ELECTRIC POWER Co.

Address before: 213000 Tongjiang City, Jiangsu Province, North Road, No. 600 middle Jiangsu Yangtze River plastics market, building No. 9, No. 15, No.

Applicant before: Zou Yueming

C14 Grant of patent or utility model
GR01 Patent grant
CP02 Change in the address of a patent holder
CP02 Change in the address of a patent holder

Address after: No.12, Haijun East Road, Baima Town, Gaogang District, Taizhou City, Jiangsu Province

Co-patentee after: ZHENJIANG POWER SUPPLY COMPANY, STATE GRID JIANGSU ELECTRIC POWER Co.

Patentee after: Zou Yueming

Address before: 225321, No. 36, Jiangnan Road, Taizhou high port district, Jiangsu, China

Co-patentee before: ZHENJIANG POWER SUPPLY COMPANY, STATE GRID JIANGSU ELECTRIC POWER Co.

Patentee before: Zou Yueming

CP02 Change in the address of a patent holder

Address after: 213000, No. 15, No. 600 middle Tongjiang Road, Xinbei District, Jiangsu, Jiangsu, No. 9, No. Changzhou, Yangtze River plasticization Market

Patentee after: Zou Yueming

Patentee after: ZHENJIANG POWER SUPPLY COMPANY, STATE GRID JIANGSU ELECTRIC POWER Co.

Address before: No.12, Haijun East Road, Baima Town, Gaogang District, Taizhou City, Jiangsu Province

Patentee before: Zou Yueming

Patentee before: ZHENJIANG POWER SUPPLY COMPANY, STATE GRID JIANGSU ELECTRIC POWER Co.

CP02 Change in the address of a patent holder
CP02 Change in the address of a patent holder

Address after: 274300 Bearing Industrial Park, north section of Binhe Road, Shanxian County, Heze City, Shandong Province

Patentee after: Zou Yueming

Patentee after: ZHENJIANG POWER SUPPLY COMPANY, STATE GRID JIANGSU ELECTRIC POWER Co.

Address before: 213000, No. 15, No. 600 middle Tongjiang Road, Xinbei District, Jiangsu, Jiangsu, No. 9, No. Changzhou, Yangtze River plasticization Market

Patentee before: Zou Yueming

Patentee before: ZHENJIANG POWER SUPPLY COMPANY, STATE GRID JIANGSU ELECTRIC POWER Co.

CP02 Change in the address of a patent holder
CP02 Change in the address of a patent holder

Address after: No.1 Workshop, private industrial park, Xuzhuang street, Gaogang District, Taizhou City, Jiangsu Province

Patentee after: Zou Yueming

Patentee after: ZHENJIANG POWER SUPPLY COMPANY, STATE GRID JIANGSU ELECTRIC POWER Co.

Address before: 274300 Bearing Industrial Park, north section of Binhe Road, Shanxian County, Heze City, Shandong Province

Patentee before: Zou Yueming

Patentee before: ZHENJIANG POWER SUPPLY COMPANY, STATE GRID JIANGSU ELECTRIC POWER Co.

CP02 Change in the address of a patent holder
CP02 Change in the address of a patent holder

Address after: Room 15, building 9, Jiangsu Changjiang plastic market, No. 600, Tongjiang Middle Road, Xinbei District, Changzhou City, Jiangsu Province, 213000

Patentee after: Zou Yueming

Patentee after: ZHENJIANG POWER SUPPLY COMPANY, STATE GRID JIANGSU ELECTRIC POWER Co.

Address before: No.1 Workshop, private industrial park, Xuzhuang street, Gaogang District, Taizhou City, Jiangsu Province

Patentee before: Zou Yueming

Patentee before: ZHENJIANG POWER SUPPLY COMPANY, STATE GRID JIANGSU ELECTRIC POWER Co.

CP02 Change in the address of a patent holder