CN111156329A - Forged steel soft seal floating ball valve - Google Patents

Forged steel soft seal floating ball valve Download PDF

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Publication number
CN111156329A
CN111156329A CN202010067069.1A CN202010067069A CN111156329A CN 111156329 A CN111156329 A CN 111156329A CN 202010067069 A CN202010067069 A CN 202010067069A CN 111156329 A CN111156329 A CN 111156329A
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CN
China
Prior art keywords
valve
ball
rotating sleeve
transmission rod
forged steel
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
CN202010067069.1A
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Chinese (zh)
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CN111156329B (en
Inventor
刘丽艳
杨剑忠
杨鑫城
杨欣梦
兰勇军
占凯丰
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.)
Shanghai Yaao Valve Co Ltd
Original Assignee
Shanghai Yaao Valve Co Ltd
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
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Priority to CN202010067069.1A priority Critical patent/CN111156329B/en
Publication of CN111156329A publication Critical patent/CN111156329A/en
Application granted granted Critical
Publication of CN111156329B publication Critical patent/CN111156329B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0647—Spindles or actuating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/60—Handles
    • F16K31/602—Pivoting levers, e.g. single-sided
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K35/00—Means to prevent accidental or unauthorised actuation
    • F16K35/16—Means to prevent accidental or unauthorised actuation with locking member actuated by magnet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0626—Easy mounting or dismounting means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0663—Packings
    • F16K5/0673—Composite packings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0663—Packings
    • F16K5/0694—Spindle sealings

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Taps Or Cocks (AREA)

Abstract

The invention discloses a forged steel soft seal floating ball valve, which relates to the field of ball valves and comprises a valve body, wherein a flow channel is formed in the valve body in a penetrating manner, the valve body is rotatably connected with a valve ball in the flow channel, and a valve hole is formed in the valve ball in a penetrating manner; the valve body is further rotatably connected with a rotating sleeve, a transmission rod for being in plug-in transmission with the valve ball is elastically and telescopically arranged in the rotating sleeve, and a valve handle which is in transmission connection with the rotating sleeve and used for ejecting the telescopic transmission rod is movably arranged at one end, far away from the valve ball, of the rotating sleeve. Aiming at the problem that the flow limiting capacity of the floating ball valve is changed due to the fact that a hand valve is easily touched by mistake in the prior art, the floating ball valve is provided with the transmission rod in an elastic mode, the transmission rod is in transmission connection with the valve ball only when the transmission rod is pressed down, the flow speed is adjusted, the transmission rod is contracted into the valve body, the valve ball cannot be driven to rotate by the rotation of the rotating sleeve, and the condition of touching by mistake is effectively avoided.

Description

Forged steel soft seal floating ball valve
Technical Field
The invention relates to the field of ball valves, in particular to a forged steel soft sealing floating ball valve.
Background
The ball body of the ball valve is floating, and under the action of medium pressure, the ball body can generate certain displacement and is tightly pressed on the sealing surface of the outlet end, so that the outlet end is sealed. The floating ball valve is simple in structure and good in sealing performance.
To current ball valve structure that floats, chinese patent that patent publication number is CN206874866U, it discloses a take locking device ball valve that floats, including the ball valve body that floats, the locking dish is installed at the top of the ball valve body that floats, the top of locking dish is installed and is pressed the top nut, the top of pressing the top nut is provided with the hand valve, the embedding is installed the valve rod on the locking dish, the both sides of valve rod are provided with the filler, and the below of valve rod is provided with the float ball case, the inside of float ball case is provided with the flow distribution district, and the both sides of float ball case are provided with the passageway, the bottom of the ball valve body that floats is provided with PMKD.
When the above-mentioned patent uses, for convenient management, prevent that irrelevant personnel from adjusting the ball valve that floats at will, the ball valve that floats on the pipeline often can concentrate and set up in a control box, because all be fixed with a hand valve on every ball valve that floats, and the turned angle of hand valve often inequality (the velocity of flow demand is different in the different pipelines), in the maintenance process, the hand valve is bumped to maintainer often easy mistake, then cause the change of the ball valve control velocity of flow that floats, think the reconversion degree of difficulty very big again.
Disclosure of Invention
Aiming at the problem that the flow limiting capacity of the floating ball valve is changed due to the fact that a hand valve is easily touched by mistake in the prior art, the invention aims to provide the forged steel soft sealing floating ball valve which effectively avoids the problem of false touch.
In order to achieve the purpose, the invention provides the following technical scheme:
a forged steel soft seal floating ball valve comprises a valve body, wherein a flow channel penetrates through the valve body, the valve body is rotatably connected with a valve ball in the flow channel, and a valve hole penetrates through the valve ball;
the valve body is further rotatably connected with a rotating sleeve, a transmission rod used for being in plug-in transmission with the valve ball is elastically and telescopically arranged in the rotating sleeve, and a valve handle which is in transmission connection with the rotating sleeve and used for ejecting and extending the transmission rod is movably arranged at one end, far away from the valve ball, of the rotating sleeve.
According to the technical scheme, when the flow velocity in the pipeline needs to be adjusted, one end of the valve handle is pressed downwards to eject the transmission rod, the other end of the transmission rod which is elastically arranged is inserted into the ball valve to realize transmission connection with the valve ball, and at the moment, the valve handle is rotated to drive the valve ball to rotate, so that the flow velocity of fluid in the pipeline is changed; after the flow rate in the pipeline is adjusted, the valve handle is jacked up by the transmission rod which is elastically arranged, meanwhile, one end, close to the valve ball, of the transmission rod leaves the valve ball, the valve handle continues to rotate, only the rotating sleeve can be driven to rotate, the valve ball cannot be driven to rotate, and therefore the purpose of preventing mistaken collision is achieved.
The present invention in a preferred example may be further configured to: the one end that rotates the cover and is close to the valve ball is fixed with the sleeve pipe coaxially, the sleeve pipe is kept away from the one end that rotates the cover with the valve ball is pegged graft, the transfer line flexible set up in the sleeve pipe.
Through above-mentioned technical scheme, sleeve pipe and valve ball are pegged graft and are cooperated for the skew of position is taken place to the restriction valve ball in the position of valve body, avoids the valve ball.
The present invention in a preferred example may be further configured to: and the side wall of the sleeve is provided with a pressure supplementing seam along the length direction.
Through above-mentioned technical scheme, ejecting at the transfer line, the air in the in-process valve body of inserting heavy groove is compressed, and in the adjustment process, adopt the mode of reinforcing valve body internal pressure, guarantee that the gas or the liquid of carrying can not leak.
The present invention in a preferred example may be further configured to: and a magnetic block for adsorbing the valve handle is embedded in one end of the rotating sleeve, which is far away from the valve ball.
Through the technical scheme, the transmission rod must be pressed down to realize the adjustment of the valve ball, and the magnetic block is arranged, so that the transmission rod can be ejected out of one end of the valve handle by utilizing the adsorption force of the magnetic block, and the transmission connection between the transmission rod and the valve ball can be stably realized.
The present invention in a preferred example may be further configured to: one end of the valve handle is connected to one end of the rotating sleeve in a sliding mode along the length direction of the rotating sleeve.
Through the technical scheme, the valve handle can be effectively prevented from being lost.
The present invention in a preferred example may be further configured to: one end of the rotating sleeve, which is far away from the valve ball, is in transmission splicing fit with the valve handle.
Through above-mentioned technical scheme, realize the valve handle and connect in the dismantlement on the rotating sleeve to further prevent the emergence of mistake bumping the condition.
The present invention in a preferred example may be further configured to: an ejector rod is fixed at one end, far away from the valve ball, of the transmission rod, one end of the ejector rod penetrates through the magnetic block to be abutted to the valve handle, a sliding ring is fixed between the ejector rod and the transmission rod, the sliding ring is arranged in the valve body in a sliding mode, and an elastic piece used for pushing the transmission rod to be far away from the valve ball is sleeved on the transmission rod.
Through the technical scheme, the transmission rod is elastically arranged in the valve body.
The present invention in a preferred example may be further configured to: the sliding ring is an adsorption ring which is made of magnetic substances and adsorbs the magnetic blocks.
Through the technical scheme, the magnetic block is used for attracting the adsorption ring, so that the supporting force of the ejector rod for jacking the valve handle is further enhanced.
In summary, the invention includes at least one of the following beneficial technical effects:
(1) the transmission rod is elastically arranged, so that the adjustment of the hair handle in an adjusting state and a mistaken-touch preventing state is realized, and the mistaken-touch condition is effectively avoided in the using process;
(2) furthermore, by arranging the pressure supplementing seam, the air in the valve body is compressed when the transmission rod extends out to be in transmission connection with the valve ball, and pressure supplementing is implemented in the adjusting process, so that the delivered gas or liquid is ensured not to leak;
(3) furthermore, the one end of rotating the cover and keeping away from the valve ball is pegged graft with the valve handle transmission and is cooperated, realizes the valve handle and rotates the dismantlement connection on the cover to further prevent the emergence of the mistake condition of bumping.
Drawings
FIG. 1 is a schematic structural diagram of the first embodiment;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a schematic structural diagram of the second embodiment.
Reference numerals: 1. a valve body; 2. a flow channel; 3. a valve ball; 4. a valve bore; 5. a transmission rod; 6. a valve handle; 7. a sleeve; 8. mending the seam; 9. a magnetic block; 10. a top rod; 11. a slip ring; 12. an elastic member; 13. sealing the valve seat; 14. rotating the sleeve; 15. a filler; 16. a filler pad; 17. a cylindrical groove; 18. and (5) sinking the tank.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
the utility model provides a forged steel soft seal ball valve that floats, as shown in fig. 1 and 2, includes valve body 1, and flow channel 2 has been seted up in the interior through of valve body 1, and valve body 1 is connected with valve ball 3 in the 2 internal rotation of flow channel, and the valve opening 4 has been seted up in the last through of valve ball 3, and during the use, the flow animal is liquid or gaseous in flow channel 2, through rotating valve ball 3, makes valve opening 4 and flow channel 2 dislocation to realize the regulation of flow or end. And sealing valve seats 13 are fixed at two ends of the valve hole 4 on the valve ball 3 in the valve body 1, and the valve ball 3 is limited and sealed through the sealing valve seats 13.
A rotating sleeve 14 is rotatably connected to one side of the valve ball 3 on the valve body 1, a packing 15 and a packing pad 16 are further arranged between the rotating sleeve 14 and the valve body 1, so that smooth rotation and sealing performance of the rotating sleeve 14 are achieved, and the packing 15 is flexible graphite. The telescopic driving rod 5 that is used for pegging graft with the valve ball 3 that is provided with in the cover 14 rotates, the cross section of driving rod 5 is regular hexagon, the coaxial an organic whole of the one end that rotates cover 14 and is close to valve ball 3 is fixed with sleeve pipe 7, the sleeve pipe 7 external diameter is the circle, the hole and the driving rod 5 grafting cooperation of sleeve pipe 7, the sleeve pipe 7 is kept away from the one end that rotates cover 14 and is pegged graft with valve ball 3, and the axis of sleeve pipe 7 extends the centre of sphere of valve ball 3, utilize the grafting cooperation between sleeve pipe 7 and the valve ball 3, realize spacing of valve ball 3 in valve body 1, improve the stability of ball valve performance.
The valve ball 3 is provided with a cylindrical groove 17 with a circular cross section and matched with the outer diameter of the sleeve 7, the bottom of the cylindrical groove 17 is provided with a sinking groove 18 in splicing fit with the transmission rod 5, and the rotating sleeve 14 drives the valve ball 3 to rotate by utilizing the splicing fit between the transmission rod 5 and the sinking groove 18; because the transmission rod 5 is elastically arranged, after the transmission rod 5 elastically contracts, one end of the elastic rod is separated from the sinking groove 18, and the rotation of the rotating sleeve 14 cannot drive the valve ball 3 to rotate, so that the mistaken collision prevention is realized. One end of the transmission rod 5 close to the valve ball 3 is provided with a chamfer which is convenient for the transmission rod 5 to be inserted into the sinking groove 18.
There is certain space between the valve body 1 and the valve ball 3, and the in-process of rotating valve ball 3 takes place the problem of decompression easily, causes gas or liquid to leak, and the sleeve pipe 7 lateral wall has seted up pressure supplementing seam 8 along its length direction, and ejecting at transfer line 5, the air in the in-process valve body 1 that inserts heavy groove 18 is compressed, and in the adjustment process, adopts the mode of reinforcing valve body 1 internal pressure, ensures that the gas or the liquid of carrying can not leak.
A magnet 9 for adsorbing the valve handle 6 is embedded in one end of the rotating sleeve 14, which is far away from the valve ball 3, when the valve is used, the magnet 9 is used for adsorbing the valve handle 6, one end of the valve handle 6 stably presses the transmission rod 5, and a user can rotate the valve handle 6 and rotate the valve ball 3 conveniently; and under the state of preventing mistaken touch, the valve handle 6 is lifted upwards, the valve handle 6 is separated from the magnetic block 9, the adsorption force is reduced, the transmission rod 5 which is elastically arranged jacks up one end of the valve handle 6, meanwhile, the transmission rod 5 is separated from the sinking groove 18, and the valve ball 3 is rotated due to the fact that the mistaken touch of the valve handle 6 is placed.
The one end activity that the cover 14 keeps away from the valve ball 3 of rotating is provided with and rotates the cover 14 transmission and is connected, a valve handle 6 for ejecting flexible transfer line 5, the one end of valve handle 6 slides along rotating the cover 14 length direction and connects the one end at the cover 14, the one end of valve handle 6 is seted up and is rotated the complex groove of pegging graft with cover 14, the inner wall in groove has seted up the groove of sliding along rotating the cover 14 length direction, so that the concertina movement of transfer line 5, and the groove of sliding does not run through and sets up, ensure that valve handle 6 can not separate with rotating the cover 14, simultaneously because valve handle 6 can not separate with rotating the cover 14, prevent that iron fillings from being adsorbed to between valve handle 6 and the rotating the cover 14, cause valve handle 6 to slide on rotating the cover.
An ejector rod 10 is fixed at one end, far away from the valve ball 3, of the transmission rod 5, a magnet block 9 is coaxially sleeved on the ejector rod 10, one end of the ejector rod 10 penetrates through the magnet block 9 to be connected with the valve handle 6 in an abutting mode, a sliding ring 11 is fixed between the ejector rod 10 and the transmission rod 5, the sliding ring 11 is an adsorption ring adsorbing the magnet block 9, the sliding ring 11 is made of a magnetic substance, such as iron or a magnet, when the valve ball valve is used, in an anti-error state, the magnet block 9 also adsorbs the sliding ring 11, supporting force of the ejector rod 10 for jacking the valve handle 6 is enhanced, the sliding ring 11 is arranged in the valve body 1 in a sliding mode, an elastic part 12 used for pushing the transmission rod 5 to be far away from the valve ball 3 is sleeved on the.
Example two:
a forged steel soft seal floating ball valve is shown in figure 3, and is different from the first embodiment in that one end of a rotating sleeve 14 far away from a ball 3 is arranged to be a regular hexagon, and one end of a valve handle 6 is in plug fit with one end of the rotating sleeve 14 far away from the ball 3. Adopt a valve handle 6 alright to adjust a plurality of ball valves that float, avoid influencing the maintenance operation because of the existence of valve handle 6.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (8)

1. A forged steel soft seal floating ball valve comprises a valve body (1) and is characterized in that a flow channel (2) penetrates through the valve body (1), the valve body (1) is rotatably connected with a valve ball (3) in the flow channel (2), and a valve hole (4) penetrates through the valve ball (3);
the valve body (1) is further rotatably connected with a rotating sleeve (14), the rotating sleeve (14) is internally provided with an elastic telescopic transmission rod (5) used for being connected with the valve ball (3) in an inserting mode, the rotating sleeve (14) is far away from one end of the valve ball (3) and is movably provided with a valve handle (6) which is connected with the rotating sleeve (14) in a transmission mode and used for ejecting and stretching the transmission rod (5).
2. A forged steel soft seal floating ball valve according to claim 1, characterized in that a sleeve (7) is coaxially fixed at one end of the rotating sleeve (14) close to the valve ball (3), one end of the sleeve (7) far away from the rotating sleeve (14) is inserted into the valve ball (3), and the transmission rod (5) is telescopically arranged in the sleeve (7).
3. The forged steel soft seal floating ball valve according to claim 2, wherein the side wall of the sleeve (7) is provided with a pressure compensating seam (8) along the length direction thereof.
4. The forged steel soft sealing floating ball valve as claimed in claim 1, wherein a magnet (9) for adsorbing the valve handle (6) is embedded at one end of the rotating sleeve (14) far away from the valve ball (3).
5. A forged steel soft seal floating ball valve according to claim 4, wherein one end of the valve handle (6) is connected to one end of the rotating sleeve (14) in a sliding manner along the length direction of the rotating sleeve (14).
6. A forged steel soft seal floating ball valve according to claim 4, wherein the end of the rotating sleeve (14) far away from the valve ball (3) is in driving plug fit with the valve handle (6).
7. The forged steel soft sealing floating ball valve as claimed in claim 5 or 6, wherein a top rod (10) is fixed at one end of the transmission rod (5) far away from the valve ball (3), one end of the top rod (10) penetrates through the magnetic block (9) to be connected with the valve handle (6) in a jacking mode, a sliding ring (11) is fixed between the top rod (10) and the transmission rod (5), the sliding ring (11) is arranged in the valve body (1) in a sliding mode, and an elastic part (12) used for pushing the transmission rod (5) far away from the valve ball (3) is sleeved on the transmission rod (5).
8. The forged steel soft seal floating ball valve according to claim 7, wherein the slip ring (11) is an adsorption ring made of a magnetic substance and adsorbing the magnetic block (9).
CN202010067069.1A 2020-01-20 2020-01-20 Forged steel soft seal floating ball valve Active CN111156329B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010067069.1A CN111156329B (en) 2020-01-20 2020-01-20 Forged steel soft seal floating ball valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010067069.1A CN111156329B (en) 2020-01-20 2020-01-20 Forged steel soft seal floating ball valve

Publications (2)

Publication Number Publication Date
CN111156329A true CN111156329A (en) 2020-05-15
CN111156329B CN111156329B (en) 2021-12-21

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0085467A1 (en) * 1982-01-29 1983-08-10 Goudsche Machinefabriek B.V. A device for discharging dirty liquid from a pressurized vessel
ES274232U (en) * 1983-08-03 1984-01-16 Sebastian Franco Arturo Ball valve, perfected (Machine-translation by Google Translate, not legally binding)
CN204900910U (en) * 2015-07-23 2015-12-23 苏州科迪流体控制设备有限公司 Novel plug valve
CN205859204U (en) * 2016-07-04 2017-01-04 岳阳东方自控工程设备有限公司 Valve seat internal high-voltage type inflatable flexible seal ring seal ball-valve
CN108488423A (en) * 2018-05-21 2018-09-04 浙江金龙自控设备有限公司 A kind of multi-sealed supercharging ball valve
CN208967086U (en) * 2018-08-23 2019-06-11 江苏远洋阀门智控股份有限公司 A kind of alloy steel lining fluorine ball valve
CN209067873U (en) * 2018-05-31 2019-07-05 毕普帕罗洛江苏工程技术有限公司 A kind of safety-type straight-through valve
CN110657257A (en) * 2019-09-29 2020-01-07 北京京燃凌云燃气设备有限公司 Novel PE sealing ball valve
CN209959988U (en) * 2019-03-19 2020-01-17 浙江铭锋阀门有限公司 Anti-theft and anti-misoperation manual valve
CN110701334A (en) * 2019-10-11 2020-01-17 江苏圣泰阀门有限公司 Novel soft sealing ball valve

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0085467A1 (en) * 1982-01-29 1983-08-10 Goudsche Machinefabriek B.V. A device for discharging dirty liquid from a pressurized vessel
ES274232U (en) * 1983-08-03 1984-01-16 Sebastian Franco Arturo Ball valve, perfected (Machine-translation by Google Translate, not legally binding)
CN204900910U (en) * 2015-07-23 2015-12-23 苏州科迪流体控制设备有限公司 Novel plug valve
CN205859204U (en) * 2016-07-04 2017-01-04 岳阳东方自控工程设备有限公司 Valve seat internal high-voltage type inflatable flexible seal ring seal ball-valve
CN108488423A (en) * 2018-05-21 2018-09-04 浙江金龙自控设备有限公司 A kind of multi-sealed supercharging ball valve
CN209067873U (en) * 2018-05-31 2019-07-05 毕普帕罗洛江苏工程技术有限公司 A kind of safety-type straight-through valve
CN208967086U (en) * 2018-08-23 2019-06-11 江苏远洋阀门智控股份有限公司 A kind of alloy steel lining fluorine ball valve
CN209959988U (en) * 2019-03-19 2020-01-17 浙江铭锋阀门有限公司 Anti-theft and anti-misoperation manual valve
CN110657257A (en) * 2019-09-29 2020-01-07 北京京燃凌云燃气设备有限公司 Novel PE sealing ball valve
CN110701334A (en) * 2019-10-11 2020-01-17 江苏圣泰阀门有限公司 Novel soft sealing ball valve

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
陈希等: "调节阀常见故障分析与处理", 《中国仪器仪表》 *

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