CN112413165A - Pressure-stabilizing ball valve - Google Patents

Pressure-stabilizing ball valve Download PDF

Info

Publication number
CN112413165A
CN112413165A CN202011315999.0A CN202011315999A CN112413165A CN 112413165 A CN112413165 A CN 112413165A CN 202011315999 A CN202011315999 A CN 202011315999A CN 112413165 A CN112413165 A CN 112413165A
Authority
CN
China
Prior art keywords
valve
ball
ring
pressure
valve seat
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
CN202011315999.0A
Other languages
Chinese (zh)
Other versions
CN112413165B (en
Inventor
焦彪彪
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.)
Xiqi Valve Technology Co ltd
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 CN202011315999.0A priority Critical patent/CN112413165B/en
Publication of CN112413165A publication Critical patent/CN112413165A/en
Application granted granted Critical
Publication of CN112413165B publication Critical patent/CN112413165B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00Plug 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
    • F16K5/06Plug 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
    • F16K5/0663Packings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/06Construction of housing; Use of materials therefor of taps or cocks
    • F16K27/067Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/44Mechanical actuating means
    • F16K31/60Handles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K41/00Spindle sealings
    • F16K41/02Spindle sealings with stuffing-box ; Sealing rings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00Plug 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
    • F16K5/08Details

Abstract

The invention provides a pressure-stabilizing ball valve which comprises a valve body, a ball body, a valve cover and a valve rod, wherein an inlet passage, an outlet passage and a valve cavity are formed in the valve body, the inlet passage and the outlet passage are communicated with the valve cavity, the valve cover is fixedly connected above the valve body and closes an upper end opening of the valve body, the ball body is positioned in the valve cavity formed by the valve body and the valve cover, and the valve rod is fixedly connected on the ball body; the throttling cylinder is integrated in the internal circulation of the valve core of the conventional ball valve, and the throttling cylinder with a new structure is designed, so that the throttling cylinder can adapt to source water flows with different flow rates and can throttle to stable pressure; meanwhile, the invention also improves the valve seat sealing structure of the ball valve, so that the ball valve is more labor-saving to open and slower in friction loss speed, and is suitable for closed spaces such as pipeline boxes which are not opened frequently and are inconvenient to maintain.

Description

Pressure-stabilizing ball valve
Technical Field
The invention belongs to the technical field of valves, and particularly relates to a pressure-stabilizing ball valve.
Background
Along with the continuous improvement of people's standard of living, more and more residential districts have aroused the pipeline system of installation straight drinking water, and the resident can connect from tap and get the purified water and directly drink, nevertheless directly drinks the requirement of water pipe purification system's transformation investment or water source high-quality water directly for the expense of straight drinking water is also higher, and it should be more accurate to the flow measurement of straight drinking water correspondingly, just can the maximum power protect consumer's reasonable rights and interests.
The existing direct drinking water pipeline usually uses a pressure stabilizing valve and a switch electromagnetic valve to match one or two pressure sensors to integrally monitor water pressure and water flow in the pipeline, the pressure stabilizing valve is independently arranged to stabilize the water pressure at the downstream, the overall complexity of the pipeline is higher, and the cost is correspondingly larger. Aiming at the problem, the invention aims to develop a dual-function valve integrating the water flow on-off control, the switch electromagnetic valve and the pressure stabilizing valve, so that the dual-function valve can adapt to the pressure fluctuation of an upstream water source and can ensure the stability of the pressure value in a downstream pipeline under the conditions of large flow and small flow.
Disclosure of Invention
Based on the aim, the invention provides a pressure-stabilizing ball valve, which is integrated with a throttling cylinder in an integrated manner in the internal circulation of a valve core of a conventional ball valve, and the throttling cylinder with a new structure is designed, so that the pressure-stabilizing ball valve can adapt to source water flows with different flow rates and can throttle to a stable pressure; meanwhile, the invention also improves the valve seat sealing structure of the ball valve, so that the ball valve is more labor-saving to open and slower in friction loss speed, and is suitable for closed spaces such as pipeline boxes which are not opened frequently and are inconvenient to maintain.
A pressure-stabilizing ball valve is characterized by comprising a valve body, a ball body, a valve cover and a valve rod, wherein an inlet passage, an outlet passage and a valve cavity are formed in the valve body, the inlet passage and the outlet passage are communicated with the valve cavity, the valve cover is fixedly connected above the valve body and closes an upper end opening of the valve body, the ball body is positioned in the valve cavity formed by the valve body and the valve cover, and the valve rod is fixedly connected to the ball body; a plurality of packing materials are sleeved on the section, located inside the valve cover, of the valve rod, the packing materials realize the sealing performance between the valve rod and the valve cover, a gland is fixedly connected above the valve cover and compresses the packing materials, and the valve rod penetrates through the gland upwards and is fixedly connected with a handle;
the ball valve is characterized in that a fluid channel is formed inside the ball body, the ball body controls the connection and disconnection of the ball valve when rotating along with the valve rod, a throttling cylinder is arranged inside the fluid channel and is of a conical cylinder structure formed by the contraction of one end of an elastic cylindrical metal cylinder body, the throttling cylinder comprises a large opening end and a small opening end, the large opening end is fixedly clamped at the upstream inlet end of the spherical fluid channel, the edge of the small opening end is of a wavy line type, and the small opening end is formed by the uniform inward contraction of one end of the elastic cylindrical metal cylinder body.
By adopting the throttling cylinder, the small opening end with the throttling function has certain elastic expansion capacity, when the fluid flow at the upstream end is large, the fluid pressure pushes the small opening end of the throttling cylinder to expand, the flow area of the throttling cylinder is increased adaptively, when the fluid flow at the upstream end is reduced, the caliber of the small opening end of the throttling cylinder retracts, the flow area is reduced, the pressure fluctuation caused by the throttling effect is weakened through the expansion and contraction of the small opening end, and the stability of the fluid pressure after throttling is ensured.
The valve rod and the ball body are integrally formed; the uppermost end of the valve rod is a square rod body, a central threaded hole is formed in the top end of the square rod body, a square through hole is formed in the handle, and the handle is sleeved on the square rod body through the square through hole; there is also a lock nut that is threaded into the central threaded bore to secure the handle to the valve stem.
The pressure-stabilizing ball valve also comprises a movable valve seat sealing structure, a linkage ring, a movable valve seat, a static valve seat, an elastic sealing ring and a disc spring, wherein the rear end of the static valve seat is abutted against the valve body through the disc spring; and a limiting ring is protruded radially outwards on the outer peripheral surface of the static valve seat, one end of the movable valve seat is abutted against the limiting ring, and the other end of the movable valve seat is abutted against the outer ring of the linkage ring.
Move the butt position that the upper and lower both ends of disk seat all were formed with the notch type, the link ring includes upper and lower ring and the elliptical ring of clamp between upper and lower ring, upper and lower ring and elliptical ring can the integral type make or weld together. Move the thickness at the butt position of the notch type of disk seat with the thickness of elliptical ring is the same or little, works as move the disk seat with when the link ring butt is together, the butt position card of notch type is gone into between the upper and lower ring of link ring and with the elliptical ring contact, when the link ring rotates, the elliptical ring can promote move the disk seat and keep away from or be close the link ring. The ball valve is characterized in that a plurality of bulges and clamping grooves are formed in the inner peripheral surface of the linkage ring, the inner peripheral surface of the linkage ring is sleeved at the upper end and the lower end of the ball body in a relatively fixed mode through clamping convex fit, ring bodies with the diameters larger than that of the valve rod are formed at the upper end and the lower end of the ball body, the clamping grooves and the bulges matched with the clamping convex fit of the inner peripheral surface of the linkage ring are formed in the outer peripheral surface of the ring body, and when the valve rod drives.
When the ball valve is in a closed state, the notch-shaped abutting part of the movable valve seat is in contact with the outer peripheral surface corresponding to the short axis of the elliptical ring of the linkage ring, at the moment, the static valve seat is in close contact with the ball body under the pushing of the elastic force of the disc spring, so that the fluid sealing inside the valve body is realized, when the ball valve needs to be opened, the valve rod is rotated, the linkage ring is correspondingly driven to rotate, the contact surface of the elliptical ring and the movable valve seat gradually rotates to the outer peripheral surface corresponding to the long axis, the linkage ring pushes the movable valve seat to move in the direction far away from the ball body due to the shape change similar to a cam, the movable valve seat pushes the static valve seat to move in the direction far away from the ball body through the limiting ring of the static valve seat, so that the contact force between the static valve seat and the ball body is reduced, and the friction force is reduced.
The invention has the advantages that:
1. the structural design of the throttling cylinder enables the throttling cylinder to be suitable for source water flows with different flow rates, and the throttling cylinder can be throttled to a stable pressure, so that the stable and accurate metering of a flow meter at the downstream part is facilitated;
2. the design of the linkage ring provides thrust for pushing the valve seat outwards when the ball valve is opened by utilizing the cam principle, so that the friction force between the valve seat and the ball body is weakened, and the ball valve is opened more easily;
3. the friction between the valve seat and the ball body is reduced, the service life of the valve seat can be prolonged relatively, the maintenance and replacement times are reduced, and the overall cost saving effect of the water supply pipeline system is remarkable.
Drawings
FIG. 1 is a schematic view of the overall structure of the pressure-stabilizing ball valve of the present invention;
FIG. 2 is a cross-sectional view of the pressure-stabilizing ball valve of the present invention;
FIG. 3 is a sectional view of a valve seat portion of the pressure-stabilizing ball valve of the present invention;
FIG. 4 is a schematic diagram of a seat seal assembly of the pressure-stabilizing ball valve of the present invention;
FIG. 5 is a schematic structural diagram of a valve body of the pressure-stabilizing ball valve of the present invention;
FIG. 6 is a schematic diagram of a ball structure of the pressure-stabilizing ball valve of the present invention;
FIG. 7 is a schematic view of a valve seat of the pressure-stabilizing ball valve of the present invention;
FIG. 8 is a schematic view of a linkage ring structure of the pressure-stabilizing ball valve of the present invention;
FIG. 9 is a schematic view of the throttling cylinder structure of the pressure-stabilizing ball valve of the present invention;
in the figure: 1. the valve comprises a valve body, 2, a ball body, 3, a movable valve seat, 4, a static valve seat, 5, a valve cover, 6, a gland, 7, a handle, 8, a locking nut, 9, packing, 10, a valve rod, 11, a linkage ring, 12, an elastic sealing ring, 13, a disc spring, 14 and a throttling cylinder.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the disclosure herein.
Referring to the drawings, the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present disclosure can be implemented, so that the present disclosure has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the disclosure of the present disclosure without affecting the efficacy and the achievable purpose of the present disclosure. Meanwhile, the positional limitation terms used in the present specification are for clarity of description only, and are not intended to limit the scope of the present invention, and changes or modifications of the relative relationship therebetween may be regarded as the scope of the present invention without substantial changes in the technical content.
Fig. 1 is an overall structural schematic diagram of a pressure-stabilizing ball valve of the present invention, fig. 2 is a sectional view of the pressure-stabilizing ball valve of the present invention, fig. 3 is a sectional view of a valve seat portion of the pressure-stabilizing ball valve of the present invention, and fig. 5 is a structural schematic diagram of a valve body of the pressure-stabilizing ball valve of the present invention; with reference to fig. 1-3 and 5, the pressure-stabilizing ball valve of the present invention includes a valve body 1, a ball body 2, a valve cover 5, and a valve rod 10, wherein an inlet passage, an outlet passage, and a valve cavity are formed in the valve body 1, the inlet passage and the outlet passage are both communicated with the valve cavity, the valve cover 5 is fixedly connected above the valve body 1 and closes an upper end opening of the valve body 1, the ball body 2 is located inside the valve cavity formed by the valve body 1 and the valve cover 5, the valve rod 10 is fixedly connected to the ball body 2, preferably, the valve rod 10 is integrally formed with the ball body 2, the valve rod 10 penetrates the valve cover 5 upward, and a handle 7 is fixedly connected to an upper end portion of the; the utility model discloses a valve rod, including valve rod 10, gland 6, valve rod 9, valve rod 10 and valve bonnet 5, gland 6 is located the inside district's section of valve bonnet 5 and is equipped with a plurality of packings 9, the leakproofness between valve rod 10 and the valve bonnet 5 is realized to packing 9, 5 tops of valve bonnet still fixedly connected with gland 6, gland 6 compresses tightly packing 9, valve rod 10 upwards wears out gland 6 and through locking nut 9 fixed connection handle 7, and is specific, valve rod 10 is the square body of rod the top, and square body of rod top is provided with central screw hole, set up square through hole on handle 7, handle 7 overlaps through square through hole cover and establishes on the square body of rod, locking nut 9 screw threads are twisted and are in the central.
A fluid channel is formed in the ball body 2, the ball body 2 controls the connection and disconnection of the ball valve when rotating along with the valve rod 10, a throttle cylinder 14 is arranged in the fluid channel, as shown in fig. 9, the throttle cylinder is a schematic view of the structure of the pressure-stabilizing ball valve of the present invention, the throttle cylinder 14 is a cone-shaped structure formed by shrinking one end of an elastic cylindrical metal cylinder, and comprises a large opening end and a small opening end, the large opening end is fixedly clamped at the upstream inlet end of the fluid channel of the ball body 2, and the edge of the small opening end is in a wavy line shape and is formed by uniformly shrinking one end of the elastic cylindrical metal cylinder inwards.
By adopting the throttling cylinder, the small opening end with the throttling function has certain elastic expansion capacity, when the fluid flow at the upstream end is large, the fluid pressure pushes the small opening end of the throttling cylinder 14 to expand, the flow area of the small opening end is increased adaptively, when the fluid flow at the upstream end is reduced, the caliber of the small opening end of the throttling cylinder 14 retracts, the flow area is reduced, the pressure fluctuation caused by the throttling effect is reduced through the expansion and contraction of the small opening end, and the stable fluid pressure after throttling is ensured.
Fig. 4 is a schematic structural diagram of a valve seat seal assembly of the pressure-stabilizing ball valve of the present invention, referring to fig. 3 and 4, the pressure-stabilizing ball valve of the present invention further includes a movable valve seat seal structure, which includes a linkage ring 11, a movable valve seat 3, a static valve seat 4, an elastic seal ring 12 and a disc spring 13, wherein the back end of the static valve seat 4 abuts against the valve body 1 through the disc spring 13, the elastic seal ring 12 is disposed between the outer side of the static valve seat 4 and the valve body 1, and one end of the static valve seat 4, which is far away from the valve body 1, contacts with the ball 2, so as to achieve sealing between an outlet channel of the valve body and a fluid channel; a limiting ring protrudes radially outwards from the outer peripheral surface of the static valve seat 4, one end of the movable valve seat 3 abuts against the limiting ring, and the other end of the movable valve seat abuts against the outer ring of the linkage ring 11.
As shown in fig. 7, which is a schematic view of a movable valve seat structure of the pressure stabilizing ball valve of the present invention, the upper and lower ends of the movable valve seat 3 are both formed with notch-shaped abutting portions, and the notch-shaped abutting portions abut against the outer ring of the linkage ring 11; fig. 8 is a schematic diagram of a linkage ring structure of the pressure-stabilizing ball valve of the present invention, wherein a is a schematic diagram of a front structure of the linkage ring, b is a schematic diagram of a side structure of the linkage ring, and c is a sectional view taken along the direction a-a of b, and as shown in the drawing, the linkage ring 11 includes upper and lower rings and an elliptical ring sandwiched between the upper and lower rings, the upper and lower rings and the elliptical ring may be integrally formed or welded together, the thickness of the notch-shaped abutting portion of the movable valve seat 3 is the same as or smaller than that of the elliptical ring, when the movable valve seat 3 abuts against the linkage ring 11, the notch-shaped abutting portion is clamped between the upper and lower rings of the linkage ring 11 and contacts with the elliptical ring, and when the linkage ring 11 rotates, the elliptical ring may push the movable valve seat 3 away from or close to the linkage ring 11.
The inner peripheral surface of the linkage ring 11 is provided with a plurality of protrusions and clamping grooves, which are relatively fixedly sleeved at the upper end and the lower end of the ball body 2 through clamping convex fit, specifically, as shown in fig. 6, the ball body structure of the pressure stabilizing ball valve is a schematic diagram of the ball body of the pressure stabilizing ball valve, the upper end and the lower end of the ball body 2 are respectively provided with a ring body with a diameter larger than that of the valve rod 10, the outer peripheral surface of the ring body is provided with the clamping grooves and the protrusions which are in clamping convex fit with the inner peripheral surface of the linkage ring 11, and when the valve rod 10 drives the ball body 2.
With the arrangement, when the ball valve is in a closed state, the notch-shaped abutting part of the movable valve seat 3 is in contact with the outer peripheral surface corresponding to the short axis of the elliptical ring of the linkage ring 11, at the moment, the static valve seat 4 is pushed by the elasticity of the disc spring 13 to be in close contact with the ball body 2, so that the fluid sealing in the valve body 1 is realized, when the ball valve needs to be opened, the valve rod 10 is rotated to correspondingly drive the linkage ring 11 to rotate, the contact surface of the elliptical ring and the movable valve seat 3 gradually rotates to the outer peripheral surface corresponding to the long shaft, its cam-like shape change causes the coupling ring 11 to push the movable valve seat 3 to move away from the ball 2, the movable valve seat 3 pushes the movable valve seat 4 to move towards the direction far away from the ball body 2 through the limit ring of the fixed valve seat 4, so that the contact force between the fixed valve seat 4 and the ball body 2 is reduced, therefore, the friction force is reduced, and the ball valve has the trend of saving more and more labor as the opening degree is increased in the opening process.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the invention, and it should be understood by those skilled in the art that various modifications and changes in equivalent structure or equivalent flow, or direct or indirect application to other related fields without creative efforts based on the technical solutions of the present invention may be made within the scope of the present invention.

Claims (7)

1. A pressure-stabilizing ball valve is characterized by comprising a valve body, a ball body, a valve cover and a valve rod, wherein an inlet passage, an outlet passage and a valve cavity are formed in the valve body, the inlet passage and the outlet passage are communicated with the valve cavity, the valve cover is fixedly connected above the valve body and closes an upper end opening of the valve body, the ball body is positioned in the valve cavity formed by the valve body and the valve cover, and the valve rod is fixedly connected to the ball body; a plurality of packing materials are sleeved on the section, located inside the valve cover, of the valve rod, the packing materials realize the sealing performance between the valve rod and the valve cover, a gland is fixedly connected above the valve cover and compresses the packing materials, and the valve rod penetrates through the gland upwards and is fixedly connected with a handle;
the ball valve is characterized in that a fluid channel is formed inside the ball body, the ball body controls the connection and disconnection of the ball valve when rotating along with the valve rod, a throttling cylinder is arranged inside the fluid channel and is of a conical cylinder structure formed by the contraction of one end of an elastic cylindrical metal cylinder body, the throttling cylinder comprises a large opening end and a small opening end, the large opening end is fixedly clamped at the upstream inlet end of the spherical fluid channel, the edge of the small opening end is of a wavy line type, and the small opening end is formed by the uniform inward contraction of one end of the elastic cylindrical metal cylinder body.
2. The pressure-stabilizing ball valve of claim 1, further characterized in that the valve stem is integrally formed with the ball body.
3. The pressure-stabilizing ball valve according to claim 1, further characterized in that the uppermost end of the valve rod is a square rod, a central threaded hole is formed in the top end of the square rod, a square through hole is formed in the handle, and the handle is sleeved on the square rod through the square through hole; there is also a lock nut that is threaded into the central threaded bore to secure the handle to the valve stem.
4. The pressure-stabilizing ball valve according to claim 1, further characterized by comprising a linkage ring, a movable valve seat, a static valve seat, an elastic sealing ring and a disc spring, wherein the rear end of the static valve seat is abutted against the valve body through the disc spring, the elastic sealing ring is arranged between the outer side of the static valve seat and the valve body, one end of the static valve seat, which is far away from the valve body, is contacted with the ball body, and sealing between an outlet channel of the valve body and a fluid channel of the ball body is realized; and a limiting ring is protruded radially outwards on the outer peripheral surface of the static valve seat, one end of the movable valve seat is abutted against the limiting ring, and the other end of the movable valve seat is abutted against the outer ring of the linkage ring.
5. The pressure-stabilizing ball valve according to claim 4, wherein the upper and lower ends of the movable valve seat are formed with concave abutment portions, the linkage ring includes upper and lower rings and an elliptical ring clamped between the upper and lower rings, the thickness of the concave abutment portions of the movable valve seat is the same as or smaller than that of the elliptical ring, when the movable valve seat and the linkage ring are abutted together, the concave abutment portions are clamped between the upper and lower rings of the linkage ring and are in contact with the elliptical ring, and when the linkage ring rotates, the elliptical ring can push the movable valve seat to be far away from or close to the linkage ring.
6. The pressure-stabilizing ball valve as claimed in claim 5, wherein the inner peripheral surface of the link ring is provided with a plurality of protrusions and slots, which are relatively fixed by snap-fit to fit over the upper and lower ends of the ball body, the upper and lower ends of the ball body are each formed with a ring body having a diameter larger than that of the valve stem, the outer peripheral surface of the ring body is provided with slots and protrusions which snap-fit with the inner peripheral surface of the link ring, and when the valve stem drives the ball body to rotate, the ball body drives the link ring to rotate.
7. The pressure-stabilizing ball valve as claimed in claim 5, wherein the upper and lower circular rings and the elliptical ring are integrally formed or welded together.
CN202011315999.0A 2020-11-22 2020-11-22 Pressure-stabilizing ball valve Active CN112413165B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011315999.0A CN112413165B (en) 2020-11-22 2020-11-22 Pressure-stabilizing ball valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011315999.0A CN112413165B (en) 2020-11-22 2020-11-22 Pressure-stabilizing ball valve

Publications (2)

Publication Number Publication Date
CN112413165A true CN112413165A (en) 2021-02-26
CN112413165B CN112413165B (en) 2022-08-05

Family

ID=74777643

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011315999.0A Active CN112413165B (en) 2020-11-22 2020-11-22 Pressure-stabilizing ball valve

Country Status (1)

Country Link
CN (1) CN112413165B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115342202A (en) * 2022-09-14 2022-11-15 华英阀业有限公司 High-pressure side-leakage-proof ball valve

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101004226A (en) * 2006-12-26 2007-07-25 黎泽荣 A constant pressure valve
CN101156009A (en) * 2005-04-12 2008-04-02 艾安·德拉库普·多伊格 Improvements in valves and pumps
US20080160371A1 (en) * 2006-01-06 2008-07-03 Societe Bic Check Valves for Fuel Cartridges
CN103148236A (en) * 2013-03-20 2013-06-12 陈曙光 Turned regulating ball valve
CN103470778A (en) * 2013-09-11 2013-12-25 太仓康茂电子有限公司 Pressure control valve
CN204756070U (en) * 2015-06-10 2015-11-11 安徽斯瑞尔阀门有限公司 Prevent blockking up mediation valve

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101156009A (en) * 2005-04-12 2008-04-02 艾安·德拉库普·多伊格 Improvements in valves and pumps
US20080160371A1 (en) * 2006-01-06 2008-07-03 Societe Bic Check Valves for Fuel Cartridges
CN101004226A (en) * 2006-12-26 2007-07-25 黎泽荣 A constant pressure valve
CN103148236A (en) * 2013-03-20 2013-06-12 陈曙光 Turned regulating ball valve
CN103470778A (en) * 2013-09-11 2013-12-25 太仓康茂电子有限公司 Pressure control valve
CN204756070U (en) * 2015-06-10 2015-11-11 安徽斯瑞尔阀门有限公司 Prevent blockking up mediation valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115342202A (en) * 2022-09-14 2022-11-15 华英阀业有限公司 High-pressure side-leakage-proof ball valve
CN115342202B (en) * 2022-09-14 2024-04-16 华英阀业有限公司 High-pressure side leakage prevention ball valve

Also Published As

Publication number Publication date
CN112413165B (en) 2022-08-05

Similar Documents

Publication Publication Date Title
US20200072360A1 (en) Sealing structure of a five-dimensional eccentric valve
CN201007377Y (en) Automatically water cut-off valve
CN112413165B (en) Pressure-stabilizing ball valve
US20040238779A1 (en) Valve
CN110792787A (en) Stop valve
AU2016229850B2 (en) Adjustable trunnion valve and related methods
CN215257944U (en) Flow switching valve
CN213629357U (en) Stop valve
CN211371315U (en) Butt clamp type soft sealing butterfly valve
CN2469271Y (en) Straight tube regulating globe-valve with leakage-proof function
US20200080648A1 (en) Deformed spherical eccentric valve
CN209115714U (en) A kind of Two-way flow ball valve
CN208605644U (en) Floating type high-performance butterfly valve
CN203082275U (en) High-temperature low-flow-resistance selection vale of Y-type channel
CN210661393U (en) Butterfly valve with quick blockage cleaning function
CN220416267U (en) Bidirectional sealing low-temperature butterfly valve
CN220956861U (en) Hard sealing butterfly valve
CN213271060U (en) All-metal hard-touch hard bidirectional pressure butterfly valve
CN110319243A (en) Control valve
KR20040023564A (en) Gate valve
CN112145713B (en) Zero-leakage high-performance fluorine-lined butterfly valve
CN214999448U (en) Spiral center line butterfly valve without pin lining rubber
CN211901653U (en) High-pressure ball valve
CN217003117U (en) Lining butterfly valve with multiple sealing structure
CN220102096U (en) Two-way sealing butterfly valve

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20220720

Address after: 323000 No.5, Bizhong Road, Bihu Town, Liandu District, Lishui City, Zhejiang Province

Applicant after: XIQI VALVE TECHNOLOGY Co.,Ltd.

Address before: 300354 new campus of Tianjin University, 135 Yaguan Road, Jinnan District, Tianjin

Applicant before: Jiao Biaobiao

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant