CN110425301B - Regulating valve for controlling fluid conveying flow - Google Patents
Regulating valve for controlling fluid conveying flow Download PDFInfo
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- CN110425301B CN110425301B CN201910778402.7A CN201910778402A CN110425301B CN 110425301 B CN110425301 B CN 110425301B CN 201910778402 A CN201910778402 A CN 201910778402A CN 110425301 B CN110425301 B CN 110425301B
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- valve
- flow
- limiting
- flow control
- ball
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
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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
- 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
- F16K5/0605—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 with particular plug arrangements, e.g. particular shape or built-in means
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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
- 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
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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
- 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
- F16K5/08—Details
- F16K5/10—Means for additional adjustment of the rate of flow
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention provides a regulating valve for controlling fluid delivery flow, which comprises a valve body, a valve group and a flow control unit, wherein the valve group comprises a valve body and a valve body; the valve body is internally provided with a valve group in a movable connection mode, and a flow control unit is arranged in the valve group in a sliding connection mode; the ball valve can solve the problems that the pressure on the through hole in the ball body is caused when gas or liquid flows, the flow of the liquid or the gas is difficult to control, the ball body rotates when the controlled liquid or gas flow impacts the ball body to generate pressure, so that the flow of the gas or the liquid is increased, and particularly, the flow of the gas or the liquid controlled by the existing ball valve is difficult to meet the use requirement on some specific use occasions.
Description
Technical Field
The invention relates to the field of valves, in particular to a regulating valve for controlling fluid conveying flow.
Background
A ball valve, wherein an opening and closing part (a ball body) of the ball valve is driven by a valve rod and rotates around the axis of the ball valve; the device is mainly used for regulating and controlling fluid and gas.
When the ball valve is used, the relative size between the flow guide hole on the ball body and the through hole of the valve body is controlled by operating the valve rod, so that the flow of liquid or gas is controlled; however, in the actual use process, the flow of liquid or gas is difficult to control due to the pressure on the through hole in the ball body caused by the flowing of gas or liquid, and the ball body rotates to increase the flow of gas or liquid when the controlled flow of liquid or gas impacts the ball body to generate pressure.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme that the regulating valve for controlling the flow of the fluid conveying flow comprises a valve body, a valve group and a flow control unit; the valve body is internally provided with a valve group in a movable connection mode, and a flow control unit is arranged in the valve group in a sliding connection mode; wherein:
the valve body comprises a left valve shell, a right valve shell, a left sealing cover, a right sealing cover, a cover plate and a sealing gasket; the left valve shell and the right valve shell are connected through expansion bolts and are fixed through nuts; the middle parts of the left valve shell and the right valve shell are communicated with each other, a spherical cavity is arranged in the right valve shell, a left sealing cover is arranged in the left valve shell, and a right sealing cover is arranged in the right valve shell; a mounting hole communicated with the spherical cavity inside the right valve shell from top to bottom is formed in the right valve shell, a plurality of sealing rings are arranged on the inner wall of the mounting hole, and a cover plate is arranged on the outer wall of the mounting hole of the right valve shell through an expansion bolt; the sealing gaskets are respectively arranged in the grooves arranged at the water pipe connecting holes of the left valve shell and the right valve shell, and the sealing gaskets are respectively slightly higher than the grooves arranged at the water pipe connecting holes of the left valve shell and the right valve shell; the valve body can fully ensure the sealing performance of liquid or gas when the liquid or the gas passes through the valve body, and the sealing performance of the valve is fully ensured by arranging the sealing gaskets which are slightly higher than the grooves arranged at the water pipe connecting holes of the left valve shell and the right valve shell at the ports of the left valve shell and the right valve shell respectively.
The valve group comprises a valve ball body, an execution column, an execution sleeve, an operating rod and a rotary disc; the valve body is internally provided with a transverse flow guide through hole, the lower end of the ball valve body is arranged on the inner wall of the lower end of a spherical cavity in the right valve shell through an arranged movable execution column, the ball valve body is provided with a longitudinal movable hole, the inner walls of the movable holes at the upper end and the lower end of the transverse flow guide hole are provided with limiting holes, an execution sleeve is arranged in the movable hole at the upper end of the ball valve body, the upper end of the execution sleeve is provided with an operating rod, the interior of the operating rod is of a cavity structure, the upper end of the operating rod is provided with a rectangular cut hole, and the top end of the operating rod is provided with a turntable; the valve ball is driven to rotate by operating the turntable, so that the valve is opened, and the valve is convenient to operate.
The flow control unit comprises a flow control block, a limiting block, an operating ball, a pull rope, a flow regulating module, an auxiliary rod and an auxiliary pull rod; the lower end of the flow control block is provided with two identical through holes, and the orifice at the left end of each through hole is smaller than the orifice at the right end of each through hole; the outer walls of two sides of the lower end of the flow control block are symmetrically provided with limiting blocks, the limiting blocks are matched with the limiting holes, a pull rope is arranged in the flow control block in a sliding fit mode, the pull rope is of a three-way structure, the lower end of the pull rope is connected to the limiting blocks respectively, the upper end of the pull rope is provided with an operating ball, and the operating ball is arranged on the outer side of the upper end of the flow control block; the flow regulating module is uniformly arranged above the through hole of the flow control block in a sliding fit manner; the two flow regulating modules are connected through an auxiliary rod; an auxiliary pull rod is arranged on the flow regulating module positioned at the upper end of the flow control block; the inner wall of the flow control block at the joint of the flow control block and the flow regulating module is uniformly provided with fixing holes.
The flow regulating module comprises a throttle plate, an auxiliary spring and a positioning bolt; the outer walls of the two sides of the throttle plate are vertically symmetrical, positioning bolts are arranged in a sliding fit mode, and the positioning bolts are connected with the inside of the throttle plate through auxiliary springs; the top end of the positioning bolt is of a spherical structure; and the positioning bolt is matched with the fixing hole.
The limiting block comprises a limiting rod, a limiting sleeve and a limiting spring; the outer wall of the limiting rod is sleeved with a limiting sleeve, and the limiting rod is connected with the limiting sleeve through a limiting spring; the limiting spring is positioned inside the limiting sleeve; and the limiting rod is provided with a wire guide hole; the outer wall of the limiting sleeve is uniformly provided with balls; the pulling of the pull rope is controlled by lifting the operating ball upwards to enable the limiting sleeve to be separated from the limiting hole on the valve ball body, and the cross section area of the flow guide through hole on the valve ball body is changed by lifting the flow control block upwards; changing the flow rate of the liquid or the gas; when the flow control block is completely moved to the lower end of the valve ball body, liquid or gas can only flow through the two through holes on the flow control block; when the flow of liquid or gas needs to be adjusted again, the throttle plate is moved by pressing or lifting the auxiliary pull rod downwards, so that the cross sections of the two through holes in the flow control block are adjusted again, and the flow is further controlled; the flow control unit can change the cross section of the flow guide through hole on the ball body of the valve through the flow control block and adjust the cross section of the two through holes on the flow control block through the throttle plate, so that the flow of liquid or gas in the ball valve is changed, the adjustment range of the flow of liquid or gas is improved, and the usability of the valve is ensured to meet the requirements.
Preferably; a plurality of cutting grooves are uniformly formed in the inner wall of the execution sleeve from top to bottom, and rubber sealing rings with trapezoidal sections are arranged in the cutting grooves; the rubber sealing rings with the trapezoidal sections are arranged, so that liquid or gas cannot leak when flowing inside the rubber sealing ring, and the rubber sealing ring is good in sealing performance.
Advantageous effects
The flow control unit can respectively change the cross section size of the flow guide through hole on the ball body of the valve through the flow control block and adjust the cross section sizes of the two through holes on the flow control block through the throttle plate, so that the flow of liquid or gas in the ball valve is changed, the adjustment range of the flow of liquid or gas is improved, and the usability of the valve is ensured to meet the requirements;
the valve body of the invention can fully ensure the sealing performance of liquid or gas when the liquid or the gas passes through the valve body, and the sealing performance of the valve body of the invention is fully ensured by arranging the sealing gaskets which are slightly higher than the grooves arranged at the water pipe connecting holes of the left valve shell and the right valve shell on the ports of the left valve shell and the right valve shell respectively.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a front view in section view of the present invention;
FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;
FIG. 3 is a cross-sectional view of the flow regulating module of the present invention;
FIG. 4 is a cross-sectional view of the stop of the present invention.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.
As shown in fig. 1 to 4, a regulating valve for controlling fluid delivery flow comprises a valve body 1, a valve block 2 and a flow control unit 3; the valve body 1 is internally provided with a valve group 2 in a movable connection mode, and the valve group 2 is internally provided with a flow control unit 3 in a sliding connection mode; wherein:
the valve body 1 comprises a left valve casing 11, a right valve casing 12, a left sealing cover 13, a right sealing cover 14, a cover plate 15 and a sealing gasket 16; the left valve shell 11 and the right valve shell 12 are connected through expansion bolts and fixed through nuts; the middle parts of the left valve shell 11 and the right valve shell 12 are communicated, a spherical cavity is arranged in the right valve shell 12, a left sealing cover 13 is arranged in the left valve shell 11, and a right sealing cover 14 is arranged in the right valve shell 12; a mounting hole communicated with the spherical cavity inside the right valve shell 12 from top to bottom is formed in the right valve shell 12, a plurality of sealing rings are arranged on the inner wall of the mounting hole, and a cover plate 15 is arranged on the outer wall of the mounting hole of the right valve shell 12 through an expansion bolt; the sealing gaskets 16 are respectively arranged in grooves arranged at the water pipe connecting holes of the left valve shell 11 and the right valve shell 12, and the sealing gaskets 16 are respectively slightly higher than the grooves arranged at the water pipe connecting holes of the left valve shell 11 and the right valve shell 12; the valve body 1 is arranged to fully ensure the sealing performance of liquid or gas when the liquid or the gas passes through the valve body, and the sealing performance of the valve body is fully ensured by arranging the sealing gaskets 16 which are slightly higher than the grooves arranged at the water pipe connecting holes of the left valve shell 11 and the right valve shell 12 at the ports of the left valve shell 11 and the right valve shell 12 respectively.
The valve group 2 comprises a valve ball body 21, an actuating column 22, an actuating sleeve 23, an operating rod 24 and a rotary disc 25; a transverse flow guide through hole is formed in the valve ball body 21, the lower end of the ball valve body 1 is arranged on the inner wall of the lower end of a ball cavity in the right valve shell 12 through an arranged movable actuating column 22, a longitudinal movable hole is formed in the ball valve body 1, limiting holes are formed in the inner walls of the movable holes at the upper end and the lower end of the transverse flow guide hole, an actuating sleeve 23 is arranged in the movable hole at the upper end of the ball valve body 1, an operating rod 24 is arranged at the upper end of the actuating sleeve 23, the operating rod 24 is of a cavity structure, a rectangular cut hole is formed in the upper end of the operating rod 24, and a rotary disc 25 is arranged at the top end of the operating rod 24; a plurality of cutting grooves are uniformly formed in the inner wall of the execution sleeve 23 from top to bottom, and rubber sealing rings with trapezoidal sections are arranged in the cutting grooves; the rubber sealing rings with the trapezoidal sections are arranged, so that liquid or gas cannot leak when flowing inside the rubber sealing ring, and the rubber sealing ring is good in sealing performance; the valve ball body 21 is driven to rotate by operating the turntable 25, so that the valve is opened, and the operation of the invention is facilitated.
The flow control unit 3 comprises a flow control block 31, a limiting block 32, an operating ball 33, a pull rope 34, a flow regulating module 35, an auxiliary rod 36 and an auxiliary pull rod 37; the lower end of the flow control block 31 is provided with two identical through holes, and the orifice at the left end of each through hole is smaller than the orifice at the right end of each through hole; the outer walls of two sides of the lower end of the flow control block 31 are symmetrically provided with limit blocks 32, the limit blocks 32 are matched with the limit holes, a pull rope 34 is arranged in the flow control block 31 in a sliding fit mode, the pull rope 34 is of a three-way structure, the lower ends of the pull ropes 34 are respectively connected to the limit blocks 32, the upper end of the pull rope 34 is provided with an operating ball 33, and the operating ball 33 is arranged on the outer side of the upper end of the flow control block 31; the flow regulating module 35 is uniformly arranged above the through holes of the flow control block 31 in a sliding fit manner; the two flow regulating modules 35 are connected through an auxiliary rod 36; an auxiliary pull rod 37 is arranged on the flow regulating module 35 positioned at the upper end of the flow control block 31; the inner wall of the flow control block 31 at the joint of the flow control block 31 and the flow regulating module 35 is uniformly provided with fixing holes; the limiting block 32 comprises a limiting rod 321, a limiting sleeve 322 and a limiting spring 323; the outer wall of the limiting rod 321 is sleeved with a limiting sleeve 322, and the limiting rod 321 is connected with the limiting sleeve 322 through a limiting spring 323; the limiting spring 323 is positioned inside the limiting sleeve 322; and the limiting rod 321 is provided with a wire guide hole; the outer wall of the limiting sleeve 322 is uniformly provided with balls; the flow regulating module 35 comprises a throttle plate 351, an auxiliary spring 352 and a positioning bolt 353; the outer walls of the two sides of the throttle plate 351 are vertically symmetrical, positioning bolts 353 are arranged in a sliding fit mode, and the positioning bolts 353 are connected with the inside of the throttle plate 351 through auxiliary springs 352; the top end of the positioning bolt 353 is of a spherical structure; and the positioning bolt 353 is matched with the fixing hole; the pulling of the pull rope 34 is controlled by the upward lifting operation ball 33, so that the limiting sleeve 322 is separated from the limiting hole on the valve ball body 21, and the cross section area of the flow guide through hole on the valve ball body 21 is changed by lifting the flow control block 31 upward; changing the flow rate of the liquid or the gas; when the flow control block 31 is completely moved to the lower end of the valve ball 21, liquid or gas can only flow through the two through holes on the flow control block 31; when the flow rate of the liquid or gas needs to be adjusted again, the throttle plate 351 is moved by pressing or lifting the auxiliary pull rod 37 downwards, so that the cross sections of the two through holes in the flow control block 31 are adjusted again, and the flow rate is further controlled; the flow control unit 3 can change the cross section of the flow guide through hole on the valve ball body 21 through the flow control block 31 and adjust the cross section of the two through holes on the flow control block 31 through the throttle plate 351, so that the flow of liquid or gas in the ball valve is changed, the adjustment range of the flow of liquid or gas is improved, and the usability of the valve is ensured to meet the requirements.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A regulating valve for controlling fluid delivery flow comprises a valve body (1), a valve group (2) and a flow control unit (3); the method is characterized in that: the valve body (1) is internally provided with a valve group (2) in a movable connection mode, and the valve group (2) is internally provided with a flow control unit (3) in a sliding connection mode; wherein:
the valve group (2) comprises a valve ball body (21), an actuating column (22), an actuating sleeve (23), an operating rod (24) and a rotary disc (25); a transverse flow guide through hole is formed in the valve ball body (21), the lower end of the ball valve body (1) is arranged on the inner wall of the lower end of a spherical cavity in the right valve shell (12) through an arranged movable actuating column (22), a longitudinal movable hole is formed in the ball valve body (1), limiting holes are formed in the inner walls of the movable holes at the upper end and the lower end of the transverse flow guide hole, an actuating sleeve (23) is arranged in the movable hole at the upper end of the ball valve body (1), an operating rod (24) is arranged at the upper end of the actuating sleeve (23), the operating rod (24) is of a cavity structure, a rectangular cut hole is formed in the upper end of the operating rod (24), and a rotary disc (25) is arranged at the top end of the operating rod (24);
the flow control unit (3) comprises a flow control block (31), a limiting block (32), an operating ball (33), a pull rope (34), a flow regulating module (35), an auxiliary rod (36) and an auxiliary pull rod (37); the lower end of the flow control block (31) is provided with two identical through holes, and the orifice at the left end of each through hole is smaller than the orifice at the right end of each through hole; the outer walls of two sides of the lower end of the flow control block (31) are symmetrically provided with limiting blocks (32), the limiting blocks (32) are matched with limiting holes, a pull rope (34) is arranged in the flow control block (31) in a sliding fit mode, the pull rope (34) is of a three-way structure, the lower end of the pull rope (34) is connected to the limiting blocks (32) respectively, the upper end of the pull rope (34) is provided with an operating ball (33), and the operating ball (33) is arranged on the outer side of the upper end of the flow control block (31); the flow regulating module (35) is uniformly arranged above the through hole of the flow control block (31) in a sliding fit manner; the two flow regulating modules (35) are connected through an auxiliary rod (36); an auxiliary pull rod (37) is arranged on the flow regulating module (35) positioned at the upper end of the flow control block (31); the inner wall of the flow control block (31) at the joint of the flow regulating module (35) and the flow control block (31) is uniformly provided with fixing holes;
the flow regulating module (35) comprises a throttle plate (351), an auxiliary spring (352) and a positioning bolt (353); the outer walls of the two sides of the throttle plate (351) are vertically symmetrical, positioning bolts (353) are arranged in a sliding fit mode, and the positioning bolts (353) are connected with the inside of the throttle plate (351) through auxiliary springs (352); the top end of the positioning bolt (353) is of a spherical structure; and the positioning bolt (353) is matched with the fixing hole.
2. The regulator valve for controlling the flow of a fluid according to claim 1, wherein: the valve body (1) comprises a left valve casing (11), a right valve casing (12), a left sealing cover (13), a right sealing cover (14), a cover plate (15) and a sealing gasket (16); the left valve shell (11) and the right valve shell (12) are connected through expansion bolts and fixed through nuts; the middle parts of the left valve casing (11) and the right valve casing (12) are communicated, a spherical cavity is arranged in the right valve casing (12), a left sealing cover (13) is arranged in the left valve casing (11), and a right sealing cover (14) is arranged in the right valve casing (12); a mounting hole communicated with the spherical cavity inside the right valve casing (12) from top to bottom is formed in the right valve casing (12), a plurality of sealing rings are arranged on the inner wall of the mounting hole, and a cover plate (15) is arranged on the outer wall of the mounting hole of the right valve casing (12) through an expansion bolt; the sealing gaskets (16) are respectively arranged in grooves arranged at the water pipe connecting holes of the left valve shell (11) and the right valve shell (12).
3. The regulator valve for controlling the flow of a fluid according to claim 1, wherein: the limiting block (32) comprises a limiting rod (321), a limiting sleeve (322) and a limiting spring (323); the outer wall of the limiting rod (321) is sleeved with a limiting sleeve (322), and the limiting rod (321) is connected with the limiting sleeve (322) through a limiting spring (323); the limiting spring (323) is positioned inside the limiting sleeve (322); and the limiting rod (321) is provided with a wire guide hole; the outer wall of the limiting sleeve (322) is uniformly provided with balls.
4. The regulator valve for controlling the flow of a fluid according to claim 1, wherein: the inner wall of the execution sleeve (23) is uniformly provided with a plurality of cutting grooves from top to bottom, and rubber sealing rings with trapezoidal sections are arranged in the cutting grooves.
5. A fluid delivery flow control regulator valve as defined in claim 2, wherein: the sealing gasket (16) is slightly higher than the grooves arranged at the water pipe connecting holes of the left valve shell (11) and the right valve shell (12) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910778402.7A CN110425301B (en) | 2019-08-22 | 2019-08-22 | Regulating valve for controlling fluid conveying flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910778402.7A CN110425301B (en) | 2019-08-22 | 2019-08-22 | Regulating valve for controlling fluid conveying flow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110425301A CN110425301A (en) | 2019-11-08 |
| CN110425301B true CN110425301B (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910778402.7A Active CN110425301B (en) | 2019-08-22 | 2019-08-22 | Regulating valve for controlling fluid conveying flow |
Country Status (1)
| Country | Link |
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| CN (1) | CN110425301B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111350830A (en) * | 2020-03-26 | 2020-06-30 | 陈少同 | Butterfly valve |
| CN111350833A (en) * | 2020-03-26 | 2020-06-30 | 陈少同 | Butterfly valve |
| CN111536279B (en) * | 2020-05-06 | 2021-11-02 | 河北中科实验设备科技有限公司 | Precision control liquid flow valve |
| CN114576397B (en) * | 2022-02-21 | 2022-11-25 | 江苏苏盐阀门机械有限公司 | Lifting type water quantity regulating valve |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0489296A1 (en) * | 1990-12-03 | 1992-06-10 | Nikko Tokushu Valve Co., Ltd. | Ball valve assembly with flow regulating mechanism |
| CN201218330Y (en) * | 2008-06-20 | 2009-04-08 | 周现华 | Valve with easily replaced valve core and sealing ring, and double-valve control valve composed of common valve and the same |
| CN203532817U (en) * | 2013-11-07 | 2014-04-09 | 氟络塞尔特种阀门(苏州)有限公司 | Lifting-pulling type valve enabling adjusted water volume to be variable |
| CN206770652U (en) * | 2017-03-31 | 2017-12-19 | 保定远东喷泉园林股份有限公司 | A kind of improved ball-cock device |
| CN207569251U (en) * | 2017-10-29 | 2018-07-03 | 温州翰智信息技术有限公司 | A kind of sanitation-grade three pieces Packaged ball valve |
| CN108547962B (en) * | 2018-04-23 | 2019-08-20 | 本兴阀门制造有限公司 | Diplopore ball valve |
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2019
- 2019-08-22 CN CN201910778402.7A patent/CN110425301B/en active Active
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| CN110425301A (en) | 2019-11-08 |
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Effective date of registration: 20200424 Address after: 200000 yewang Road, Yexie sub district, industrial zone, Songjiang District, Shanghai Applicant after: SHANGHAI SGOV VALVE GROUP Co.,Ltd. Address before: 233000 No. 1866 Cao Shan Road, Anhui, Bengbu Province, Bengbu College Applicant before: Sun Qingfeng |
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