CN201672084U - Hard sealing plug valve - Google Patents
Hard sealing plug valve Download PDFInfo
- Publication number
- CN201672084U CN201672084U CN2010201966990U CN201020196699U CN201672084U CN 201672084 U CN201672084 U CN 201672084U CN 2010201966990 U CN2010201966990 U CN 2010201966990U CN 201020196699 U CN201020196699 U CN 201020196699U CN 201672084 U CN201672084 U CN 201672084U
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- Prior art keywords
- guide rail
- valve
- valve rod
- valve body
- screw
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- Expired - Fee Related
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Abstract
The utility model provides a hard sealing plug valve with simple structure and quick reaction, which comprises a valve body, a valve cap, a plug cock, a valve rod, a bracket, packing, a packing gland and a hoisting rotary mechanism, wherein a guide rail is arranged on the side wall of a bracket hole of the bracket and comprises a hoisting guide rail and a rotating guide rail; the hoisting guide rail is axially arranged along the valve rod; one end of the hoisting guide rail, which is close to the plug cock, is a fixed end and the other end of the hoisting guide rail is a hoisting end; the rotating guide rail is arranged along the bracket hole in a spiral ascending way and is connected and communicated with the hoisting end of the hoisting guide rail; a guide rail pin passes through the valve rod; and the guide rail pin and a roller at the end part extend out of the valve rod and is arranged in the guide rail. When the plug valve is started, the valve rod is driven by the hoisting rotary mechanism to ascend, so that the guide rail pin on the valve rod ascends along the hoisting guide rail and removes the hard seal with the valve body, then enters the rotary guide rail and ascends and rotates in the rotary guide rail arranged in a spiral ascending way, further the valve rod realizes the rotation during ascending and the starting of the plug valve.
Description
Technical field
The utility model relates to a kind of valve, especially a kind of hard sealing stopcock.
Background technique
Stopcock is meant that closure member is that stopper rotates a kind of valve that reaches opening and closing around the valve body center line, is the valve member that is adopted by people the earliest in history.Because easy to operate, fluid resistance is little, cock rotation four/can finish on-off action once enclosing still is widely used so far.According to application number is the disclosed a kind of stopcock that afterwards opens and closes that promotes earlier of CN200910097812.1, comprise valve body, valve gap, cock, valve rod, support, valve gap, spanner and rotating machinery, advance along horizontal formation in the valve body, the outlet fluid passage, cock also is communicated with to advance in the middle part of being arranged in the valve body, the outlet fluid passage, advance in sealing surface on the cock outer wall and the valve body, the tight formation of outlet valve body sealing surface is sealed and matched firmly, valve gap is fixed on the valve body upper-end surface, support is fixed on the valve gap upper-end surface, vertically offer bracket holes in the support, valve rod vertically passes bracket holes and the valve gap top in the support, fixedly connected with cock in the valve rod lower end, spanner is fixed on the valve rod and valve rod is rotated synchronously, rotating machinery includes handwheel and Stem Mut, Stem Mut is located on the support by bearing, axially offer and the suitable through hole in the upper end portion of valve rod along it in the Stem Mut, be connected between Stem Mut and the valve rod, rotating handwheel is fixedly connected on the Stem Mut top, make valve rod rising/decline by rotation hand wheel, make valve rod and cock rotation by rotating spanner.So the unlatching of traditional stopcock needs two-step action to finish, during unlatching, the first step will make valve rod rise by rotation hand wheel, drives cock simultaneously and rises; The second step rotating spanner, thus drive the cock half-twist, realize the unlatching of stopcock.In this operation, the rotating machinery that the unlatching of finishing stopcock need have the spanner of rising valve rod function and a rotary valve rod function cooperates jointly to be finished, and needs for two steps could realize the complete opening of stopcock, so make the stopcock complicated integral structure, complex operation reacts also rapid inadequately.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of simple in structure, simple and easy, willing hard sealing stopcock of operation.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of hard sealing stopcock, include valve body, valve gap, cock, valve rod, support, filler, Gland and lifting rotating machinery, advance along horizontal formation in the valve body, the outlet fluid passage, cock also is communicated with to advance in the middle part of being arranged in the valve body, the outlet fluid passage, advance in sealing surface on the cock outer wall and the valve body, outlet valve body sealing surface closely formation is sealed and matched, valve gap is fixed on the valve body upper-end surface, support is fixed on the valve gap upper-end surface, vertically offer bracket holes in the support, valve rod vertically passes bracket holes and the valve gap top in the support, the valve rod place of passing on the valve gap is provided with filler and Gland, valve rod lower end and cock interlock, connect with valve rod in the cock end the right the other end be provided with back shaft, be provided with corresponding in the valve body and suitable supporting base with the back shaft position, back shaft is rotatably assorted in supporting base, promoting rotating machinery is fixed on the support, the upper end of cock connects by T-slot with the valve rod lower end, and can link with the rising/decline of valve rod, it is characterized in that: offer guide rail on the bracket holes sidewall on the support, guide rail runs through the bracket holes sidewall, this guide rail includes lift rail and rotary rail, lift rail along stem shaft to setting, an end near than cock is fixed end on the lift rail, the other end is for promoting end, rotary rail is along the bracket holes setting of rising in the shape of a spiral, the lifting end of rotary rail and lift rail is connected and conducting, be equipped with guide pins on the valve rod, these guide pins two end part extend to outside the valve rod and are placed in the guide rail.Wherein, described guide pins extends on the outer end of valve rod and is installed on roller, and roller rolls with guide pins and cooperates, and roller is positioned at guide rail and cooperates with the guide rail rolling.
Adopt technique scheme, only this cover mechanism of lifting rotating machinery that needs operation to prop up top of the trellis can realize the unlatching and the closure of stopcock, has avoided other unnecessary mechanism and operating procedures.Promote rotating machinery and can drive the valve rod rising, make guide pins on the valve rod rise to and promote end from the fixed end of lift rail, cock is simultaneously risen with valve rod and is removed hard sealing with valve body and is provided with, valve rod continues to rise under the drive that promotes rotating machinery then, and the guide pins on the valve rod is because of arriving the top of lift rail, so will enter rotary rail and slippage rising in spiral rises the rotary rail that is provided with, thereby make valve rod when rising, realize rotating, and then the drive cock is rotated corresponding angle, the unlatching of realization stopcock.The place, two end part that guide pins extends to the valve rod outer wall is installed on roller, the diameter and the guide rail of roller are suitable, and roller and guide pins and guide rail be to roll and cooperate, so be the rolling cooperation when guide pins move in guide rail, make stopcock more laborsaving when opening, reaction is sensitive more.
Of the present utility modelly further be set to: the end that connects with cock on the described valve rod is provided with the extended sealing platform of going up, joint with valve rod on the valve gap is provided with upper seal support, upper seal support is towards last sealing platform setting and suitable with last sealing platform shape, when the stopcock complete opening, on seal platform and be positioned at upper seal support and constitute and be sealed and matched.Wherein, also be provided with on the described guide rail along stem shaft to the sealing guide rail that is provided with, on the rotary rail with the lift rail connecting end the right the other end is connected also conducting with the sealing guide rail, on seal the inconsistent end face of platform and upper seal support be made as with stem shaft to the conical surface at 45.
Adopt technique scheme, stopcock can be solved and the technical problem that filler is changed can't be carried out in working order the time, thereby in stopcock when work, is when rising to the highest summit with valve rod, be that guide pins is in the top that seals in the guide rail and be positioned at the sealing guide rail, and cock this moment is opened into 90 ° of maximum angles, and the upper seal support of going up sealing platform and valve gap of valve rod fits tightly and forms hard sealing.The situation that medium leaks outside in the stopcock can't appear in the replacing of opening the Gland on the valve gap and carrying out filler this moment, has increased valve replace with pressure filler function and safety operation performance.The stopcock that is arranged so that of sealing guide rail can be increased to higher position when closure, and the inconsistent end face of going up on sealing platform and the valve gap of upper seal support on the valve rod is made as and the conical surface of stem shaft to angle at 45, make that the sealing of valve rod and valve cover chamber is more tight, create the condition of sealing for the replacing of filler under the working state.
Of the present utility modelly further be set to again: on the described valve body with bracket holes the other end at one end be installed with dunnage, be provided with holding cavity between dunnage and valve body, place, holding cavity place is provided with screw on the valve body, screw conducting holding cavity and space outerpace, the screw place also is installed on the plug screw that is sealed and matched with screw, supporting base is opened on the dunnage and runs through dunnage, supporting base conducting valve intracoelomic cavity and holding cavity.
Adopt technique scheme, solved in the past stopcock in use, the supporting base of valve body tends to accumulate a lot of impurity and dirt, piled up many and will influence back shaft fitting tightly in supporting base, promptly when falling, cock can not fall into fully in the supporting base, the cock meeting is by impurity and dirt bed hedgehopping, thereby influences cock when closed and the situation about being sealed and matched firmly of valve body.Nowadays impurity and the dirt of piling up at supporting base will fall in the holding cavity, can under the situation that stopcock cuts out, open the plug screw at holding cavity place then, discharge impurity and dirt in the holding cavity, thereby blowdown operation was not only convenient but also can avoid opening the work that valve body influences stopcock regularly.
Below in conjunction with accompanying drawing the utility model is further described:
Description of drawings
Fig. 1 is the utility model embodiment's a structural representation.
Fig. 2 is the A portion side view of Fig. 1.
Fig. 3 is the expansion schematic representation of the utility model embodiment guide rail.
Fig. 4 is the B portion enlarged view of Fig. 1.
Embodiment
Shown in Fig. 1-4, present embodiment includes valve body 1, valve gap 2, cock 3, valve rod 4, support 5, filler 7, Gland 8 and lifting rotating machinery 6, advance along horizontal formation in the valve body 1, outlet passage (11,12), cock 3 also is communicated with to advance in the middle part of being arranged in the valve body 1, outlet passage (11,12), up big and down small cone structure is adopted in cock 3, sealing surface place with cock 3 on valve body 1 adopts up big and down small cone structure, advance in sealing surface on cock 3 outer walls of taper and the valve body 1, outlet valve body 1 sealing surface closely formation is sealed and matched, valve gap 2 is fixed on valve body 1 upper-end surface, support 5 is fixed on valve gap 2 upper-end surfaces, vertically offer bracket holes 51 in the support 5, valve rod 4 vertically passes bracket holes 51 and valve gap 2 tops in the support 5, and valve rod 4 places of passing on the valve gap 2 are provided with filler 7 and Gland 8, valve rod 4 lower ends and cock 3 interlocks, promote rotating machinery 6 and be fixed on the support 5, and can drive valve rod 4 and do the motion of rising and afterwards descending earlier.51 the other ends at one end in valve body 1 upper bracket hole are installed with dunnage 13,1 of dunnage 13 and valve body are provided with holding cavity 16, place, holding cavity 16 places is provided with screw 14 on the valve body 1, screw 14 conducting holding cavity 16 and space outerpaces, and screw 14 places also are installed on the plug screw 15 that is sealed and matched with screw 14.Connect with valve rod 4 in the cock 3 end right the other end middle part be provided with back shaft 31, be provided with corresponding in the valve body 1 and suitable supporting base 131 with back shaft 31 positions, back shaft 31 is rotatably assorted in supporting base 131, supporting base 131 is opened on the dunnage 13 and runs through dunnage 13, supporting base 131 conducting valve bodies, 1 inner chamber and holding cavity 16.In the present embodiment, offer guide rail 511 on bracket holes 51 sidewalls on the support 5, this guide rail 511 includes lift rail 5111, rotary rail 5112 and sealing guide rail 5113, lift rail 5111 axially is provided with along valve rod 4, be fixed end 51111 than cock 3 near ends on the lift rail 5111, the other end is for promoting end 51112, rotary rail 5112 is along the setting of rising in the shape of a spiral of bracket holes 51 inwalls, one end of rotary rail 5112 is connected with the lifting end 51112 of lift rail 5111 and conducting, the other end is connected and conducting with sealing guide rail 5113, and sealing guide rail 5113 axially is provided with along valve rod 4.Be equipped with guide pins 41 on the valve rod 4, these guide pins 41 two end part extend to outside the valve rod 4 and place in the guide rail 511, guide pins is installed on roller 411 on 41 liang of ends that extend to outside the valve rod 4, and roller 411 rolls with guide pins 41 and cooperates, and roller 411 is positioned at guide rail 511 and cooperates with guide rail 511 rollings.In addition, the end that connects with cock 3 on the valve rod 4 is provided with the upward sealing platform 42 that extends to outside the valve rod 4, joint with valve rod 4 on the valve gap 2 is provided with upper seal support 21, upper seal support 21 going up on valve rod 4 seals platform 42 settings and suitable with last sealing platform 42 shapes, last sealing platform 42 is made as and the valve rod 4 axial conical surfaces 421 at 45 with upper seal support 21 contacted end faces, when the stopcock complete opening, on seal platform 42 and be positioned at upper seal support 21 and constitute and be sealed and matched.Above-mentioned lifting rotating machinery 6 includes handwheel 62 and umbrella gear box 61, handwheel 62 and umbrella gear box 61 interlocks, umbrella gear box 61 is a helical teeth, valve rod 4 tops be provided with umbrella gear box 61 on the suitable screw thread of helical teeth, valve rod 4 and umbrella gear box 61 interlocks, when rotating handwheel 62, umbrella gear box 61 rotates, umbrella gear box 61 can drive valve rod 4 risings then, thereby opens or the cut-out tap valve; Perhaps, promote rotating machinery 6 and include handwheel and Stem Mut composition, Stem Mut is located on the support by bearing, axially offer and the suitable through hole in the upper end portion of valve rod along it in the Stem Mut, be connected between Stem Mut and the valve rod, rotating handwheel is fixedly connected on the top of Stem Mut, makes valve rod 4 rising/declines by rotation hand wheel.Technical development now, the mechanism that can actuate valve stem 4 promotes much and general also can do the mechanism of corresponding rotation and all can be lifting rotating machinery 6 of the present utility model as long as can realize the lifting of valve rod 4.In the present embodiment, described guide rail 511 is on the sidewall of bracket holes 51 and run through sidewall, and this is necessary during for Milling Process, also is in order to be mounted on the bracket holes 51 guide pins 41 necessary simultaneously.
In the present embodiment, only lifting rotating machinery 6 these cover mechanisms at need operating valve lever 4 tops can realize the unlatching and the closure of stopcock, promote rotating machinery 6 and can drive valve rod 4 risings, make guide pins 41 on the valve rod 4 rise to and promote end 51112 from the fixed end 51111 of lift rail 5111, cock 3 is simultaneously risen with valve rod 4 and is removed hard sealing with valve body 1 and is provided with, valve rod 4 continues to rise under the drive that promotes rotating machinery 6 then, and the guide pins 41 on the valve rod 4 is because of arriving the top of lift rail 5111, thereby enter rotary rail 5112 and slippage rising in spiral rises the rotary rail 5112 that is provided with, thereby make valve rod 4 when rising, realize rotating, and then corresponding angle is rotated in drive cock 3, the angle of swing of cock 3 realizes the unlatching of stopcock between 0 °-90 °.The hard sealing setting of going up the upper seal support 21 on sealing platform 42 and the valve gap 2 on the valve rod 4, stopcock can be solved and the technical problem that filler 7 is changed can't be carried out in working order the time, when when stopcock is worked, valve rod 4 being risen to the highest summit, be that guide pins 41 is in the top that seals in the guide rail 5113 and be positioned at sealing guide rail 5113, and cock 3 this moment is opened into 90 ° of maximum angles, and the upper seal support of going up on sealing platform 42 and the valve gap 2 21 on the valve rod 4 fits tightly the hard sealing of formation.The replacing of opening the Gland 8 on the valve gap 2 and carrying out filler 7 this moment the situation that the stopcock inner fluid leaks outside can't occur and occur, and makes that the function of this stopcock is more extensive.In addition, being arranged so that of dunnage 13 increased holding cavity 16 in the stopcock in the valve body 1, thereby solved in the past stopcock in use, can a lot of impurity and the dirts of accumulation in the supporting base 13, thus the problem that is sealed and matched firmly of cock 3 and valve body 1 when influence cock 3 whereabouts.Nowadays impurity and the dirt of piling up at supporting base 131 will fall to from the supporting base 131 of penetrating dunnage 13 in the holding cavity 16, can under the situation that stopcock cuts out, open the plug screw 15 at holding cavity place then, discharge impurity and dirt in the holding cavity 16, thereby blowdown operation was not only convenient but also can avoid opening the work that valve body influences stopcock regularly.In the present embodiment, the place, two end part that guide pins 41 extends to valve rod 4 outer walls is installed on roller 411, the diameter of roller 411 and guide rail 511 are suitable, and roller is to roll with guide pins 41 and guide rail 511 and cooperates, so cooperate for rolling when guide pins 41 is moved in guide rail 511, make stopcock more laborsaving when opening, reaction is sensitive more.The stopcock that is arranged so that of sealing guide rail 5113 can be increased to higher position when closure, be made as and the valve rod 4 axial conical surfaces 421 at 45 and go up sealing platform 42 and upper seal support 21 inconsistent end faces, make that the tightness that goes up the upper seal support 21 on sealing platform 42 and the valve gap 2 on the valve rod 4 is more tight, create the good condition of sealing for the replacing of filler under the working state 7.
The utility model can also simply be released, guide rail 511 is opened on the valve rod 4, guide pins 41 is fixed in the bracket holes 51, when lifting rotating machinery 6 drive valve rods 4 move upward and rotate, guide pins 41 is motionless, guide rail 511 moves upward and rotates, thereby realizes the rising and the rotation of guide rail 511, and then the elder generation of drive cock 3 promotes the action of afterwards rotating.This use is novel can also other mode of executions, and the technological scheme that equal replacement of all employings or equivalent transformation form all drops within the claimed scope of the utility model.
Claims (8)
1. one kind seals stopcock firmly, include valve body, valve gap, cock, valve rod, support, filler, Gland and lifting rotating machinery, advance along horizontal formation in the valve body, the outlet fluid passage, cock also is communicated with to advance in the middle part of being arranged in the valve body, the outlet fluid passage, advance in sealing surface on the cock outer wall and the valve body, outlet valve body sealing surface closely formation is sealed and matched, valve gap is fixed on the valve body upper-end surface, support is fixed on the valve gap upper-end surface, vertically offer bracket holes in the support, valve rod vertically passes bracket holes and the valve gap top in the support, the valve rod place of passing on the valve gap is provided with filler and Gland, valve rod lower end and cock interlock, connect with valve rod in the cock end the right the other end be provided with back shaft, be provided with corresponding in the valve body and suitable supporting base with the back shaft position, back shaft is rotatably assorted in supporting base, promoting rotating machinery is fixed on the support, the upper end of cock connects by T-slot with the valve rod lower end, and can link with the rising/decline of valve rod, it is characterized in that: offer guide rail on the bracket holes sidewall on the support, guide rail runs through the bracket holes sidewall, this guide rail includes lift rail and rotary rail, lift rail along stem shaft to setting, an end near than cock is fixed end on the lift rail, the other end is for promoting end, rotary rail is along the bracket holes setting of rising in the shape of a spiral, the lifting end of rotary rail and lift rail is connected and conducting, be equipped with guide pins on the valve rod, this guide pins end extends to outside the valve rod and is placed in the guide rail.
2. hard sealing stopcock according to claim 1 is characterized in that: described guide pins extends on the outer end of valve rod and is installed on roller, and roller rolls with guide pins and cooperates, and roller is positioned at guide rail and cooperates with the guide rail rolling.
3. hard sealing stopcock according to claim 1 and 2, it is characterized in that: the end that connects with cock on the described valve rod is provided with the extended sealing platform of going up, joint with valve rod on the valve gap is provided with upper seal support, upper seal support is towards last sealing platform setting and suitable with last sealing platform shape, when the stopcock complete opening, on seal platform and be positioned at upper seal support and constitute and be sealed and matched.
4. hard sealing stopcock according to claim 1 and 2, it is characterized in that: described guide rail is provided with along stem shaft to the sealing guide rail that is provided with, on the rotary rail with the lift rail connecting end the right the other end is connected also conducting with the sealing guide rail, on seal the inconsistent end face of platform and upper seal support and be made as and the conical surface of stem shaft to angle at 45.
5. hard sealing stopcock according to claim 3, it is characterized in that: described guide rail is provided with along stem shaft to the sealing guide rail that is provided with, on the rotary rail with the lift rail connecting end the right the other end is connected also conducting with the sealing guide rail, on seal the inconsistent end face of platform and upper seal support and be made as and the conical surface of stem shaft to angle at 45.
6. hard sealing stopcock according to claim 3, it is characterized in that: described valve body upper bracket hole the other end at one end be installed with dunnage, be provided with holding cavity between dunnage and valve body, place, holding cavity place is provided with screw on the valve body, screw conducting holding cavity and space outerpace, the screw place also is installed on the plug screw that is sealed and matched with screw, and supporting base is opened on the dunnage and runs through dunnage, supporting base conducting valve intracoelomic cavity and holding cavity.
7. hard sealing stopcock according to claim 4, it is characterized in that: described valve body upper bracket hole the other end at one end be installed with dunnage, be provided with holding cavity between dunnage and valve body, place, holding cavity place is provided with screw on the valve body, screw conducting holding cavity and space outerpace, the screw place also is installed on the plug screw that is sealed and matched with screw, and supporting base is opened on the dunnage and runs through dunnage, supporting base conducting valve intracoelomic cavity and holding cavity.
8. hard sealing stopcock according to claim 5, it is characterized in that: described valve body upper bracket hole the other end at one end be installed with dunnage, be provided with holding cavity between dunnage and valve body, place, holding cavity place is provided with screw on the valve body, screw conducting holding cavity and space outerpace, the screw place also is installed on the plug screw that is sealed and matched with screw, and supporting base is opened on the dunnage and runs through dunnage, supporting base conducting valve intracoelomic cavity and holding cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201966990U CN201672084U (en) | 2010-05-17 | 2010-05-17 | Hard sealing plug valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201966990U CN201672084U (en) | 2010-05-17 | 2010-05-17 | Hard sealing plug valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201672084U true CN201672084U (en) | 2010-12-15 |
Family
ID=43329496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201966990U Expired - Fee Related CN201672084U (en) | 2010-05-17 | 2010-05-17 | Hard sealing plug valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201672084U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042422A (en) * | 2011-01-20 | 2011-05-04 | 上海高迪亚电子系统有限公司 | Hard sealing cock valve |
| CN103115161A (en) * | 2013-01-28 | 2013-05-22 | 浙江石化阀门有限公司 | Pipeline plug valve |
| CN104315162A (en) * | 2014-10-09 | 2015-01-28 | 浙江石化阀门有限公司 | Fast lifting type hard sealing plug valve |
| CN106678410A (en) * | 2017-01-17 | 2017-05-17 | 吉林省众鑫汽车装备有限公司 | Self-cleaning fluid flow direction control valve |
| CN109210228A (en) * | 2018-11-07 | 2019-01-15 | 成都乘风阀门有限责任公司 | By warlord |
| CN111810663A (en) * | 2020-09-01 | 2020-10-23 | 杨煜海 | Valve with detachable valve rod |
-
2010
- 2010-05-17 CN CN2010201966990U patent/CN201672084U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042422A (en) * | 2011-01-20 | 2011-05-04 | 上海高迪亚电子系统有限公司 | Hard sealing cock valve |
| WO2012097546A1 (en) * | 2011-01-20 | 2012-07-26 | 上海高迪亚电子系统有限公司 | Hard seal plug valve |
| CN103115161A (en) * | 2013-01-28 | 2013-05-22 | 浙江石化阀门有限公司 | Pipeline plug valve |
| CN103115161B (en) * | 2013-01-28 | 2014-09-17 | 浙江石化阀门有限公司 | Pipeline plug valve |
| CN104315162A (en) * | 2014-10-09 | 2015-01-28 | 浙江石化阀门有限公司 | Fast lifting type hard sealing plug valve |
| CN106678410A (en) * | 2017-01-17 | 2017-05-17 | 吉林省众鑫汽车装备有限公司 | Self-cleaning fluid flow direction control valve |
| CN106678410B (en) * | 2017-01-17 | 2024-01-30 | 科林蓝泰环境科技(长春)有限公司 | Self-cleaning fluid flow direction control valve |
| CN109210228A (en) * | 2018-11-07 | 2019-01-15 | 成都乘风阀门有限责任公司 | By warlord |
| CN111810663A (en) * | 2020-09-01 | 2020-10-23 | 杨煜海 | Valve with detachable valve rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101215 Termination date: 20170517 |