CN112145713B - Zero-leakage high-performance fluorine-lined butterfly valve - Google Patents

Zero-leakage high-performance fluorine-lined butterfly valve Download PDF

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Publication number
CN112145713B
CN112145713B CN202010947605.7A CN202010947605A CN112145713B CN 112145713 B CN112145713 B CN 112145713B CN 202010947605 A CN202010947605 A CN 202010947605A CN 112145713 B CN112145713 B CN 112145713B
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CN
China
Prior art keywords
valve
valve rod
shell
sleeved
shaft sleeve
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Active
Application number
CN202010947605.7A
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Chinese (zh)
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CN112145713A (en
Inventor
方贤乐
金水林
王云
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Teflon Group Co ltd
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Teflon Group Co ltd
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Priority to CN202010947605.7A priority Critical patent/CN112145713B/en
Publication of CN112145713A publication Critical patent/CN112145713A/en
Application granted granted Critical
Publication of CN112145713B publication Critical patent/CN112145713B/en
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    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/221—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves specially adapted operating means therefor
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/226—Shaping or arrangements of the sealing
    • F16K1/2268—Sealing means for the axis of rotation
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • 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
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0209—Check valves or pivoted valves
    • F16K27/0218—Butterfly valves
    • 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
    • F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
    • F16K31/502—Mechanical actuating means with screw-spindle or internally threaded actuating means actuating pivotable valve members
    • 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
    • F16K41/00—Spindle sealings
    • F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
    • F16K41/023—Spindle sealings with stuffing-box ; Sealing rings for spindles which only rotate, i.e. non-rising spindles
    • F16K41/026—Spindle sealings with stuffing-box ; Sealing rings for spindles which only rotate, i.e. non-rising spindles for rotating valves

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)

Abstract

The invention discloses a zero-leakage high-performance fluorine-lined butterfly valve which comprises a valve body, a valve rod, a butterfly plate and a bottom cover, wherein a lower shaft sleeve is sleeved on the end of the valve rod positioned in the bottom cover, a first V-shaped sealing filler and a steel ring which are sleeved on the valve rod are respectively arranged at the upper end and the lower end of the lower shaft sleeve, a screw is screwed and connected on the bottom cover and is abutted against the side wall of the steel ring, an upper shaft sleeve is sleeved on the part of the valve rod penetrating through the valve body, a second V-shaped sealing filler which is sleeved on the valve rod is arranged at the lower end of the upper shaft sleeve, an upper adjusting pressure plate which is fixedly connected on the valve body through an upper adjusting fastener is arranged at the upper end of the upper shaft sleeve, and the valve body is connected with the valve rod through a bent connecting piece and a driving assembly. The technical scheme of the invention is characterized in that the sealing structure of the upper shaft end and the lower shaft end of a product is improved, and the number of parts is increased to adjust the sealing distance; the product is prevented from being exposed in unit time, so that the service life of the product is prolonged.

Description

Zero-leakage high-performance fluorine-lined butterfly valve
Technical Field
The invention relates to the technical field of valves, in particular to a zero-leakage high-performance fluorine-lined butterfly valve.
Background
A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. The valve can be used for controlling the flow of various types of fluid such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.
The improvement of the butterfly valve, aim at improving its service life, the technical scheme main points in the invention are to improve the upper and lower axle head seal structure of the product, add the number of the part and adjust the sealing distance; the double-clamping butterfly valve with the sealing structure at the upper shaft end and the lower shaft end of the valve body is suitable for both flange type butterfly valves, and meanwhile, the driving assembly is improved, so that the driving assembly has higher sealing performance and economy.
Therefore, the invention provides a zero-leakage high-performance fluorine-lined butterfly valve.
Disclosure of Invention
The invention aims to: in order to solve the problems, a zero-leakage high-performance fluorine-lined butterfly valve is proposed.
In order to achieve the purpose, the invention adopts the following technical scheme:
the zero-leakage high-performance fluorine-lined butterfly valve comprises a valve body, a valve rod, a butterfly plate and a bottom cover, wherein a lower shaft sleeve is sleeved on an end of the valve rod, which is positioned inside the bottom cover, the upper end and the lower end of the lower shaft sleeve are respectively provided with a first V-shaped sealing filler and a steel ring, which are sleeved on the valve rod, a screw is screwed and connected on the bottom cover and is abutted against the side wall of the steel ring, an upper shaft sleeve is sleeved on a part of the valve rod, which penetrates through the valve body, the lower end of the upper shaft sleeve is provided with a second V-shaped sealing filler, which is sleeved on the valve rod, the upper end of the upper shaft sleeve is provided with an upper adjusting pressure plate which is fixedly connected on the valve body through an upper adjusting fastener, and the valve body is connected with the valve rod through a bent connecting piece and a driving assembly;
the novel pneumatic valve is characterized in that a shell, a shell cover bolted to the shell, a limiting groove formed in the horizontal direction on the side wall of the shell and a sealing cover on the limiting groove are arranged outside the drive assembly, a pair of bearings are oppositely arranged on the inner side wall of the shell, a stud with one end penetrating through the side wall of the shell is mounted on each bearing, a pair of U-shaped fixing seats are fixed on the bottom wall of the inner part of the shell, a snap spring is arranged in each fixing seat and clamped in an annular groove in the stud, a threaded sleeve is connected onto each stud in a matched mode, a sliding rod in sliding fit with the limiting groove is welded onto each threaded sleeve, each threaded sleeve is movably connected with a rotating plate through a cylindrical pin on each threaded sleeve, one end of each rotating plate is fixedly connected with a valve rod, a gland with external threads is sleeved on each stud, the gland is connected with the shell in a rotating mode, and a sealing sleeve is arranged between the gland and the bearings.
As a further description of the above technical solution:
and a hand wheel is fixedly connected to the end of the stud outside the driving assembly.
As a further description of the above technical solution:
the rotating plate is provided with a sliding groove, and the cylindrical pin is inserted into the sliding groove and is in sliding fit with the rotating plate.
As a further description of the above technical solution:
the top end of the valve rod is a cuboid, a pin is installed on the valve rod, and a pin is installed on the cylindrical pin.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the technical scheme is characterized in that the sealing structure of the upper shaft end and the lower shaft end of a product is improved, and the number of parts is increased to adjust the sealing distance; the product is prevented from being exposed in unit time, so that the service life of the product is prolonged.
2. According to the invention, the driving assembly is simple in structure and convenient to install, the sealing cover, the shell cover, the gland and the sealing sleeve on the driving assembly enable the driving assembly to be good in sealing performance, internal parts are effectively protected, and the sealing structure added in the valve is matched, so that the valve is good in overall sealing performance and long in service life.
Drawings
FIG. 1 is a schematic structural view of a zero-leakage high-performance fluorine-lined butterfly valve according to the present invention;
FIG. 2 is a schematic diagram of a side view partial cross-sectional structure of a zero-leakage high-performance fluorine-lined butterfly valve according to the present invention;
fig. 3 is a schematic diagram of the internal structure of the driving assembly of the zero-leakage high-performance fluorine-lined butterfly valve according to the present invention.
Illustration of the drawings:
1. a valve body; 2. a valve stem; 3. a butterfly plate; 4. a lower shaft sleeve; 5. a first V-shaped sealing filler; 6. a steel ring; 7. a screw; 8. an upper shaft sleeve; 9. a V-shaped sealing filler II; 10. an upper adjusting pressure plate; 11. an upper adjustment fastener; 12. a connecting member; 13. a drive assembly; 1301. a housing; 1302. a limiting groove; 1303. sealing the cover; 14. a bottom cover; 15. a stud; 1501. a groove; 16. a fixed seat; 17. a clamp spring; 18. a gland; 19. sealing sleeves; 20. a hand wheel; 21. a threaded sleeve; 2101. a slide bar; 2102. a cylindrical pin; 22. rotating the plate; 2201. a chute; 23. a pin; 24. and a bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-3, a zero-leakage high-performance fluorine-lined butterfly valve includes a valve body 1, a valve stem 2, a butterfly plate 3, and a bottom cover 14, wherein a lower shaft sleeve 4 is sleeved on an end of the valve stem 2 located inside the bottom cover 14, a first V-shaped packing 5 and a steel ring 6 are respectively disposed at upper and lower ends of the lower shaft sleeve 4, the first V-shaped packing 5 is a V-shaped seal ring, the first V-shaped packing 5 abuts against the valve stem 2 and a side wall of the valve body 1 after being deformed by being pressed by a force, so as to achieve a better sealing effect, a screw 7 is screwed on the bottom cover 14, the screw 7 abuts against a side wall of the steel ring 6, the screw 7 pushes the steel ring 6 and the lower shaft sleeve 4, so that the first V-shaped packing 5 deforms, so that a lower portion of the valve stem 2 is sealed with the valve body 1, an upper shaft sleeve 8 is sleeved on the valve stem 2 and penetrates through the valve body 1, a second V-shaped packing 9 sleeved on the valve stem 2 is disposed at a lower end of the upper shaft sleeve 8, an upper shaft sleeve is fixedly connected to an upper adjusting clamp 10 on the valve body 1 through an upper adjusting fastener 11, and a lower adjusting fastener 13 is inserted into the upper seal ring 12, and a lower seal ring assembly for driving the upper seal ring 2, which drives the upper seal ring 1 to close the valve body 1, and the upper seal ring 2, and the upper seal ring 1, and the upper seal ring 13.
Example 2
Referring to fig. 1-3, a housing 1301 is provided outside a drive assembly 13, a housing cover bolted to the housing 1301, a limit groove 1302 opened in the horizontal direction on a side wall of the housing 1301, and a cover 1303 on the limit groove 1302, the cover 1303 is fixedly connected to the housing 1301 by a bolt assembly, a pair of bearings 24 are oppositely provided on an inner side wall of the housing 1301, a stud 15 having one end penetrating through a side wall of the housing 1301 is mounted on the bearing 24, a pair of U-shaped fixing bases 16 is fixed on a bottom wall of the interior of the housing 1301, the stud 15 is mounted inside the fixing base 16, a snap spring 17 is provided between the fixing bases 16, two side walls of the snap spring 17 abut against the fixing base 16 to limit the stud 15 in the horizontal direction, the snap spring 17 is clamped in an annular groove 1501 on the stud 15, the stud 15 penetrates through the housing 1301, and after the stud 15 is mounted on the bearing 24 and the fixing base 16, the snap spring 17 is mounted, a threaded sleeve 21 is screwed on the stud 15, a threaded sleeve 21 is welded with a sliding rod 2101 slidably fitted with a sliding rod 2101 horizontally sliding in the limit groove 1302, a rotating sleeve 23 is horizontally slid in the limit groove 1302, a rotating pin 23 is connected to a rotating sleeve 23, a rotating pin plate 22 which is mounted on a cylindrical pin 23, a rotating pin plate 2 which is mounted on a rotating pin 23, a rotating sleeve 23, a cylindrical pin plate which is mounted on a rotating pin 2, a cylindrical pin 22 which is mounted on a cylindrical pin 2102, and a cylindrical pin 23, a rotating plate 2 which is mounted on a cylindrical pin 2, and a cylindrical pin 23, a cylindrical pin 23 is mounted on a cylindrical pin 2102, and a rotating plate which is mounted on the rotating shaft 2102, and a cylindrical pin 23. The rotating plate 22 is provided with a sliding slot 2201, and the cylindrical pin 2102 is inserted into the sliding slot 2201 and is in sliding fit with the rotating plate 22. The horizontal movement of the threaded sleeve 21 enables the rotating plate 22 arranged on the cylindrical pin 2102 to rotate around the valve rod 2, so that the butterfly plate 3 rotates to open and close the valve, a gland 18 with external threads is sleeved on the stud 15, the gland 18 is connected with the shell 1301 in a screwing mode, and a sealing sleeve 19 is arranged between the gland 18 and the bearing 24. The gland 19 is squeezed by the screw-on gland 18. The bearing 24 and the gland 18 are sealed, so that the penetrating position of the stud 15 on the shell 1301 is sealed, external rainwater and moisture are prevented from entering the internal corrosion part of the shell 1301, and the end of the stud 15, which is positioned outside the driving assembly 13, is fixedly connected with a hand wheel 20, so that the stud 15 can be conveniently rotated.
The working principle is as follows: when the valve is used, the first V-shaped sealing packing 5 and the second V-shaped sealing packing 9 are V-shaped sealing rings, after the V-shaped sealing rings are pressed and deformed by stress, the V-shaped sealing rings are abutted to the valve rod 2 and the side wall of the valve body 1, so that a good sealing effect is realized, the screwing screw 7 pushes the steel ring 6 and the lower shaft sleeve 4, so that the first V-shaped sealing packing 5 deforms, the lower part of the valve rod 2 is sealed with the valve body 1, the upper end of the upper shaft sleeve 8 is provided with an upper adjusting pressure plate 10 fixedly connected to the valve body 1 through an upper adjusting fastener 11, the upper adjusting fastener 11 is screwed, so that the upper adjusting pressure plate 10 is pressed downwards, the upper shaft sleeve 8 pushes the second V-shaped sealing packing 9 to deform, so that the upper part of the valve rod 2 is sealed with the side wall of the valve body 1, and the key points of the technical scheme are that the upper and lower sealing structure of a product is improved, and the number of parts is added to adjust the sealing distance; the product is prevented from being exposed in unit time, so that the service life of the product is prolonged.
The valve body 1 is connected with the driving assembly 13 through the bent connecting piece 12 and the valve rod 2, the driving assembly 13 is responsible for starting and closing of a valve, the stud 15 rotates by rotating the hand wheel 20, the clamp spring 17 in the fixing seat 16 limits the stud 15 in the horizontal direction, the stud 15 rotates better by setting the bearing 24, the sliding rod 2101 on the threaded sleeve 21 slides horizontally in the limiting groove 1302, the threaded sleeve 21 moves horizontally, the rotating plate 22 is pulled to rotate around the valve rod 2 through the cylindrical pin 2102, opening and closing of the valve are achieved, the sealing cover 1303, the pressing cover 18 and the sealing sleeve 19 are arranged, the shell 1301 is good in sealing performance, rainwater is prevented from entering internal corrosion parts of the shell, the driving assembly 13 is convenient to use and labor-saving, the capacity of protecting the internal parts is good, and the service life of the driving assembly 13 is long.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (4)

1. The zero-leakage high-performance fluorine-lined butterfly valve comprises a valve body (1), a valve rod (2), a butterfly plate (3) and a bottom cover (14), and is characterized in that a lower shaft sleeve (4) is sleeved on an end of the valve rod (2) positioned in the bottom cover (14), a first V-shaped sealing filler (5) sleeved on the valve rod (2) is arranged at the upper end of the lower shaft sleeve (4), a steel ring (6) sleeved on the valve rod (2) is arranged at the lower end of the lower shaft sleeve (4), a screw (7) is screwed on the bottom cover (14), the screw (7) is abutted against the lower end face of the steel ring (6), an upper shaft sleeve (8) is sleeved on a part, penetrating through the valve body (1), of the upper part of the valve rod (2), a second V-shaped sealing filler (9) sleeved on the valve rod (2) is arranged at the lower end of the upper shaft sleeve (8), an upper adjusting pressure plate (10) fixedly connected on the valve body (1) through an upper adjusting fastener (11) is arranged at the upper end of the upper shaft sleeve (8), the upper adjusting pressure plate (10) is sleeved on the valve rod (2) and is inserted into the valve body (1), and a driving connecting piece (12) is connected with a bent connecting piece (13) through an upper adjusting fastener (12);
the outer part of the driving assembly (13) is provided with a shell (1301), a shell cover bolted to the shell (1301), a limiting groove (1302) arranged on the side wall of the shell (1301) in the horizontal direction and a sealing cover (1303) arranged on the limiting groove (1302), a pair of bearings (24) are oppositely arranged on the inner side wall of the shell (1301), a stud (15) with one end penetrating through the side wall of the shell (1301) is mounted on the bearing (24), a pair of U-shaped fixing seats (16) are fixed on the bottom wall of the inner part of the shell (1301), the stud (15) is mounted in the fixing seats (16), a snap spring (17) is arranged between the fixing seats (16), the snap spring (17) is clamped in an annular groove (1501) on the stud (15), a threaded sleeve (21) is screwed on the stud (15), a sliding rod (2101) in sliding fit with the limiting groove (1302) is welded on the threaded sleeve (21), the threaded sleeve (21) is connected with a rotating plate (22) through a cylindrical pin (2102) on the threaded sleeve (21), one end of the rotating plate (22) is connected with the top end of a fixed valve rod (2), and a gland (18) is welded on the side wall of the shell (1301) and is connected with the outer thread (18) of the shell (18), a sealing sleeve (19) is arranged between the gland (18) and the bearing (24).
2. The zero-leakage high-performance fluorine-lined butterfly valve according to claim 1, wherein a hand wheel (20) is fixedly connected to an end of the stud (15) located outside the drive assembly (13).
3. The zero-leakage high-performance fluorine-lined butterfly valve according to claim 1, wherein the rotating plate (22) is provided with a sliding groove (2201), and the cylindrical pin (2102) is inserted into the sliding groove (2201) and is in sliding fit with the rotating plate (22).
4. The zero-leakage high-performance fluorine-lined butterfly valve according to claim 1, wherein the top end of the valve stem (2) is a rectangular parallelepiped and is provided with a pin (23), and the cylindrical pin (2102) is also provided with the pin (23).
CN202010947605.7A 2020-09-10 2020-09-10 Zero-leakage high-performance fluorine-lined butterfly valve Active CN112145713B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010947605.7A CN112145713B (en) 2020-09-10 2020-09-10 Zero-leakage high-performance fluorine-lined butterfly valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010947605.7A CN112145713B (en) 2020-09-10 2020-09-10 Zero-leakage high-performance fluorine-lined butterfly valve

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CN112145713A CN112145713A (en) 2020-12-29
CN112145713B true CN112145713B (en) 2022-12-20

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Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100604966B1 (en) * 2006-03-31 2006-07-28 주식회사 삼진정밀 Switchgear of butterfly valve
CN201401529Y (en) * 2009-03-27 2010-02-10 丽水市意本阀门有限公司 Fixed ball lower valve stem structure
CN201661696U (en) * 2010-02-11 2010-12-01 无锡和佳科技有限公司 Three-eccentric butterfly valve
CN201772140U (en) * 2010-07-20 2011-03-23 哈尔滨电站设备成套设计研究所 Device realizing dynamic compensation seal of shaft end for feed valve
CN103603992A (en) * 2013-12-04 2014-02-26 天津富赛克流体控制设备有限公司 Lead screw nut type driving mechanism of valve
CN105156745A (en) * 2015-10-12 2015-12-16 济南迈克阀门科技有限公司 Transmission device for rotary type valve
CN105257859A (en) * 2015-11-10 2016-01-20 五洲阀门有限公司 Ultra-low-temperature top entry ball valve and assembly method thereof
CN206054794U (en) * 2016-08-28 2017-03-29 淳安千岛湖科利达耐磨阀门有限公司 A kind of Pneumatic round-top valve
CN209839311U (en) * 2019-05-15 2019-12-24 苏州道森阀门有限公司 Combined sealing structure of valve rod of underwater ball valve

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PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Zero leakage high-performance fluorine lined butterfly valve

Effective date of registration: 20231009

Granted publication date: 20221220

Pledgee: Zhejiang Juzhou Commercial Bank Co.,Ltd. Wenzhou Ouhai Branch

Pledgor: Teflon Group Co.,Ltd.

Registration number: Y2023330002235

PE01 Entry into force of the registration of the contract for pledge of patent right