CN113738912B - Blending ball valve - Google Patents

Blending ball valve Download PDF

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Publication number
CN113738912B
CN113738912B CN202111009429.3A CN202111009429A CN113738912B CN 113738912 B CN113738912 B CN 113738912B CN 202111009429 A CN202111009429 A CN 202111009429A CN 113738912 B CN113738912 B CN 113738912B
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China
Prior art keywords
valve
hole
valve core
diameter hole
pipe
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Active
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CN202111009429.3A
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Chinese (zh)
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CN113738912A (en
Inventor
林哲
杨林
朱祖超
张光
刘琦
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Zhejiang Sci Tech University ZSTU
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Zhejiang Sci Tech University ZSTU
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Priority to CN202111009429.3A priority Critical patent/CN113738912B/en
Publication of CN113738912A publication Critical patent/CN113738912A/en
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Publication of CN113738912B publication Critical patent/CN113738912B/en
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    • 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
    • F16K11/00Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/08Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
    • F16K11/087Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with spherical plug
    • 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
    • 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
    • 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
    • F16K5/14Special arrangements for separating the sealing faces or for pressing them together
    • F16K5/20Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
    • F16K5/201Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/30Use of alternative fuels, e.g. biofuels

Abstract

The invention discloses a blending ball valve, which comprises a valve shell main body and a valve core main body, wherein the valve shell main body is formed by combining two valve shell units, the two valve shell units are enclosed by a first flange surface and a second flange surface, the valve core main body is arranged in the valve shell main body, the valve core main body consists of a valve shaft, a valve pipe and a valve core, the valve core is fixed on the valve shaft and the valve pipe, the valve core consists of a clamping chamber and a central chamber, and the clamping chamber is communicated with the valve pipe. The blending ball valve can control one fluid, can realize the outlet of two fluid types, including a single fluid and a mixed fluid, and has superior control performance; due to the variable-diameter geometric action of the clamping chamber and the central chamber, the fluid generates turbulence in the blending area of the valve core, and the turbulence generation enhances the fluid blending capacity.

Description

Blending ball valve
Technical Field
The invention belongs to the technical field of fluid blending valves, and particularly relates to a blending ball valve.
Background
The ball valve is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline, and can be closed tightly only by rotating 90 degrees and a small rotating torque. With the rapid development of science and technology, the ball valve has been rapidly developed into a main valve class due to the continuous improvement of the production process and the product structure. The blending of fluids is widely used in the fields of industry, medicine, aerospace and the like, and a blending valve is arranged in a fluid blending pipe section to adjust and control fluid blending parameters such as the proportion, the speed and the like of fluid blending.
The prior ball valve can only control one fluid flow, has no mixing capability, limits the application field of the ball valve, and lacks a mixing ball valve which can control a single fluid and can deal with fluids with different physical properties.
Disclosure of Invention
The present invention is directed to a blending ball valve that solves the problems set forth above in the background.
In order to achieve the purpose, the invention provides the following technical scheme: a blending ball valve comprises a valve shell main body and a valve core main body, wherein the valve shell main body is formed by combining two valve shell units which are oppositely arranged and internally provided with hemispherical cavities, the edges of the end surfaces of the two valve shell units are outwards and horizontally extended to form first flange surfaces, a plurality of first bolt holes are formed in the first flange surfaces in a penetrating mode along the outer edge in a circle mode, four through holes are formed in the contact positions of the two first flange surfaces and are respectively a valve shaft hole, a valve pipe hole, a small-diameter hole and a large-diameter hole, the side surfaces of the four through holes are cylindrical surfaces, the center line of the valve shaft hole and the center line of the valve pipe hole are located on the same straight line, the center line of the small-diameter hole and the center line of the large-diameter hole are mutually perpendicular and are located on the same plane, the small-diameter hole and the large-diameter hole are outwards and vertically extended to form second flange surfaces along the edges, and a plurality of second bolt holes are formed in the two second flange surfaces; the valve shell is characterized in that the valve core main body is arranged in the valve shell main body and comprises a valve shaft, a valve pipe and a valve core, the valve shaft is sleeved in the valve shaft hole, the valve pipe is sleeved in the valve pipe hole, the valve core is a hollow ball body and is fixed between the valve shaft and the valve pipe, the valve core is tightly attached to the inner wall of the cavity of the valve shell main body, a clamping chamber and a central chamber are arranged in the valve core, the clamping chamber is communicated with the valve pipe, the central line of the central chamber is mutually perpendicular to the central line of the valve pipe and is positioned on the same plane, a first valve core hole communicated with one end of the central chamber is formed in the valve core, a second valve core hole communicated with the clamping chamber and positioned on the opposite side of the first valve core hole is formed in the valve core, and a third valve core hole sleeved in the second valve core hole is formed in the other end of the central chamber.
Preferably, the valve shaft and the valve shaft hole are matched in the same diameter, and the outer wall of the valve shaft is tightly attached to the inner wall of the valve shaft hole.
Preferably, the valve pipe and the valve pipe hole are matched in the same diameter, and the outer wall of the valve pipe is tightly attached to the inner wall of the valve pipe hole.
Preferably, a first 0-shaped groove is formed in the contact position of the two first flange surfaces along the inner edge in a circle, and a sealing ring is mounted on the first 0-shaped groove.
Preferably, the sealing ring is composed of a circular sealing ring section matched with the first 0-shaped groove, and a first 0-shaped sealing ring section, a second 0-shaped sealing ring section, a third O-shaped sealing ring section and a fourth 0-shaped sealing ring section which are respectively matched with the valve shaft hole, the small-diameter hole, the valve pipe hole and the large-diameter hole.
Preferably, the small-diameter hole is a main fluid inlet end, and the large-diameter hole is a main fluid outlet end.
Preferably, the geometric space of the clamp chamber and the central chamber determines the fluid mixing effect, and the geometric space of the clamp chamber and the central chamber can be changed.
Compared with the prior art, the invention has the beneficial effects that:
1. the blending ball valve can control one fluid, can realize two fluid type outlets, including a single fluid and a mixed fluid, and has superior control performance;
2. due to the geometric action of the reducing diameters of the clamping chamber and the central chamber, the fluid can generate turbulence in the blending area of the valve core, and the generation of the turbulence enhances the fluid blending capacity;
3. the components in the blending ball valve are convenient to replace, and particularly, the valve core component in the blending ball valve can be replaced by materials with different characteristics, such as ceramics, so as to deal with blending fluids with different physical properties.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a partial cross-sectional structural schematic of the present invention;
FIG. 3 is a schematic view, partially in section, of the valve housing body of the present invention;
FIG. 4 is a schematic view in half cross-section of the valve cartridge body of the present invention;
fig. 5 is a schematic structural diagram of the sealing ring of the present invention.
In the figure: 1. a valve housing body; 11. a valve shaft bore; 12. a first flange face; 13. a first bolt hole; 14. a small-diameter hole; 15. a second bolt hole; 16. a valve tube bore; 17. a large-diameter hole; 18. a second flange face; 2. a valve core main body; 21. a valve shaft; 22. a clamp chamber; 23. a first spool bore; 24. a central chamber; 25. a valve tube; 26. a second spool bore; 27. a third spool bore; 28. a valve core; 3. a seal ring; 31. a first type 0 seal ring segment; 32. a second O-ring segment; 33. a third O-ring segment; 34. a fourth O-ring segment; 35. a circular seal ring section.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1: as shown in fig. 1 to 4, the present invention provides a technical solution: a blending ball valve comprises a valve shell main body 1 and a valve core main body 2, wherein the valve shell main body 1 is formed by combining two valve shell units which are oppositely arranged and have hemispherical cavities inside, the edges of the end faces of the two valve shell units horizontally extend outwards to form first flange faces 12, a plurality of first bolt holes 13 are formed in the first flange faces 12 in a penetrating mode along the outer edge in a circle mode, four through holes are formed in the contact positions of the two first flange faces 12 and are respectively a valve shaft hole 11, a valve pipe hole 16, a small-diameter hole 14 and a large-diameter hole 17, the side faces of the four through holes are cylindrical surfaces, the center line of the valve shaft hole 11 and the center line of the valve pipe hole 16 are located on the same straight line, the center line of the small-diameter hole 14 and the center line of the large-diameter hole 17 are located on the same straight line, the center lines of the valve shaft hole 11 and the valve pipe hole 16 and the center lines of the small-diameter hole 14 and the large-diameter hole 17 are perpendicular to each other and located on the same plane, second flange faces 18 are formed in a plurality of second bolt holes 15; the valve core main body 2 is installed in the valve housing main body 1, the valve core main body 2 is composed of a valve shaft 21, a valve pipe 25 and a valve core 28, the valve shaft 21 is sleeved in the valve shaft hole 11, the valve pipe 25 is sleeved in the valve pipe hole 16, the valve core 28 is a hollow ball and is fixed between the valve shaft 21 and the valve pipe 25, the valve core 28 is tightly attached to the inner wall of the cavity of the valve housing main body 1, the valve core 28 is internally provided with a clamping chamber 22 and a central chamber 24, the clamping chamber 22 is communicated with the valve pipe 25, the central line of the central chamber 24 is perpendicular to the central line of the valve pipe 25 and is positioned on the same plane, the valve core 28 is provided with a first valve core hole 23 communicated with one end of the central chamber 24, the valve core 28 is provided with a second valve core hole 26 communicated with the clamping chamber 22 and positioned on the opposite side of the first valve core hole 23, and the other end of the central chamber 24 is provided with a third valve core hole 27 sleeved in the second valve core hole 26.
In this embodiment, the angle between the center line of the central chamber 24 and the center lines of the large-diameter hole 17 and the small-diameter hole 14 can be changed by rotating the valve shaft 21, and the relative position relationship between the second spool hole 26 and the large-diameter hole 17 and the small-diameter hole 14 can be changed; when the included angle between the central line of the central chamber 24 and the central lines of the large-diameter hole 17 and the small-diameter hole 14 is zero degrees, and the second valve spool hole 26 is closest to the large-diameter hole 17, the blending valve outlet is a mixed fluid outlet; when the included angle between the central line of the central chamber 24 and the central lines of the large-diameter hole 17 and the small-diameter hole 14 is zero degrees, and the second valve core hole 26 is closest to the small-diameter hole 14, the outlet of the blending valve is a single main fluid outlet; when the central axis of the central chamber 24 is at an angle of 90 degrees to the central axis of the large-diameter hole 17 and the small-diameter hole 14, the valve is closed and no fluid flows out from the outlet of the blending valve.
As shown in fig. 1, 3 and 4, the valve shaft 21 is radially fitted to the valve shaft hole 11, and the outer wall of the valve shaft 21 is in close contact with the inner wall of the valve shaft hole 11.
In this embodiment, the valve shaft 21 is sealed effectively while rotating stably in the valve shaft hole 11.
As shown in fig. 2, the valve tube 25 is matched with the valve tube hole 16 in diameter, and the outer wall of the valve tube 25 is tightly attached to the inner wall of the valve tube hole 16.
In this embodiment, the valve tube 25 is made to rotate stably in the valve tube hole 16 and the sealing effect is good.
As shown in fig. 2, a first O-shaped groove 19 is formed in a circle along an inner edge at a contact position of the two first flange surfaces 12, and a sealing ring 3 is installed on the first O-shaped groove 19.
In the present embodiment, the sealing performance at the contact portion of the two first flange surfaces 12 is improved by the seal ring 3.
As shown in fig. 5, the seal ring 3 is composed of a circular seal ring section 35 matching the first 0-type groove 19, and a first 0-type seal ring section 31, a second 0-type seal ring section 32, a third 0-type seal ring section 33, and a fourth 0-type seal ring section 34 matching the valve shaft hole 11, the small diameter hole 14, the valve pipe hole 16, and the large diameter hole 17, respectively.
In the present embodiment, the first O-ring segment 31, the second 0-ring segment 32, the third 0-ring segment 33, and the fourth 0-ring segment 34 improve the sealing performance at the valve shaft hole 11, the small-diameter hole 14, the valve pipe hole 16, and the large-diameter hole 17.
As shown in fig. 1 to 3, the small-diameter hole 14 is a primary fluid inlet end, and the large-diameter hole 17 is a primary fluid outlet end.
In this embodiment, the main fluid is introduced from the small-diameter hole 14, the branch fluid is introduced through the valve pipe 25, and the angle between the center line of the central chamber 24 and the center lines of the large-diameter hole 17 and the small-diameter hole 14 is changed by rotating the valve shaft 21, so that the case where one single fluid, one mixed fluid or the closed fluid flows out from the large-diameter hole 17 is realized.
As shown in fig. 2 and 4, the geometrical space between the clamp chamber 22 and the central chamber 24 determines the fluid mixing effect, and the geometrical space between the clamp chamber 22 and the central chamber 24 can be changed.
In this embodiment, the geometric spacing of the clamping chamber 22 and the central chamber 24 determines the fluid mixing effect, and different mixing requirements can be achieved by changing the geometric spacing of the two chambers.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
The working principle is as follows: the included angle between the central line of the central chamber 24 and the central lines of the large-diameter hole 17 and the small-diameter hole 14 can be changed by rotating the valve shaft 21, and the relative position relationship between the second valve spool hole 26 and the large-diameter hole 17 and the small-diameter hole 14 can be changed; when the included angle between the central line of the central chamber 24 and the central lines of the large-diameter hole 17 and the small-diameter hole 14 is zero degrees, and the second valve spool hole 26 is closest to the large-diameter hole 17, the blending valve outlet is a mixed fluid outlet; when the included angle between the central line of the central chamber 24 and the central lines of the large-diameter hole 17 and the small-diameter hole 14 is zero degrees, and the second valve core hole 26 is closest to the small-diameter hole 14, the outlet of the blending valve is a single main fluid outlet; when the central axis of the central chamber 24 is at an angle of 90 degrees to the central axis of the large-diameter hole 17 and the small-diameter hole 14, the valve is closed and no fluid flows out from the outlet of the blending valve.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A blending ball valve comprises a valve shell main body (1) and a valve core main body (2), and is characterized in that the valve shell main body (1) is formed by combining two valve shell units which are oppositely arranged and internally provided with hemispherical cavities, the edges of the end surfaces of the two valve shell units horizontally extend outwards to form a first flange surface (12), a plurality of first bolt holes (13) are formed in the first flange surface (12) in a circle through manner along the outer edge, four through holes are formed in the contact position of the two first flange surfaces (12), the four through holes are respectively a valve shaft hole (11), a valve pipe hole (16), a small-diameter hole (14) and a large-diameter hole (17), the side surfaces of the four through holes are cylindrical surfaces, the center line of the valve shaft hole (11) and the center line of the valve pipe hole (16) are positioned on the same straight line, the center line of the small-diameter hole (14) and the center line of the large-diameter hole (17) are positioned on the same straight line, the center lines of the valve shaft hole (11) and the valve pipe hole (16) and the small-diameter hole (14) and the large-diameter hole (17) are positioned on the same plane, the second flange surface, and a plurality of second flange holes (18) extend upwards to form a second flange hole (18); the valve core body (2) is installed in the valve casing body (1), the valve core body (2) is composed of a valve shaft (21), a valve pipe (25) and a valve core (28), the valve shaft (21) is sleeved in the valve shaft hole (11), the valve pipe (25) is sleeved in the valve pipe hole (16), the valve core (28) is a hollow ball body and is fixed between the valve shaft (21) and the valve pipe (25), the valve core (28) is tightly attached to the inner wall of a cavity of the valve casing body (1), a clamping cavity (22) and a central cavity (24) are formed in the valve core (28), the clamping cavity (22) is communicated with the valve pipe (25), the central line of the central cavity (24) is perpendicular to the central line of the valve pipe (25) and located on the same plane, a first valve core hole (23) communicated with one end of the central cavity (24) is formed in the valve core (28), a second valve core hole (26) communicated with the clamping cavity (22) and located on the opposite side of the first valve core hole (23) is formed in the valve core hole (28), and a second valve core hole (26) is formed in the valve core hole (24) in the valve core (27) in a sleeve.
2. The blending ball valve of claim 1, wherein the valve shaft (21) is matched with the valve shaft hole (11) in diameter and the outer wall of the valve shaft (21) is tightly attached to the inner wall of the valve shaft hole (11).
3. The blending ball valve of claim 1, wherein said valve tube (25) is co-diametric with said valve tube bore (16) and said valve tube (25) outer wall is in close proximity to said valve tube bore (16) inner wall.
4. The blending ball valve according to claim 1, wherein a first O-shaped groove (19) is formed in the contact position of the two first flange surfaces (12) along the inner edge in a circle, and a sealing ring (3) is arranged on the first O-shaped groove (19).
5. A blending ball valve according to claim 4, wherein the sealing ring (3) is composed of a circular sealing ring section (35) matching with the first O-shaped groove (19), and a first O-shaped sealing ring section (31), a second O-shaped sealing ring section (32), a third O-shaped sealing ring section (33) and a fourth O-shaped sealing ring section (34) matching with the valve shaft hole (11), the small diameter hole (14), the valve pipe hole (16) and the large diameter hole (17), respectively.
6. A blending ball valve according to claim 1, wherein said small diameter hole (14) is a main fluid inlet end and said large diameter hole (17) is a main fluid outlet end.
7. The blending ball valve of claim 1, characterized in that the geometrical space of said nip chamber (22) and said central chamber (24) determines the fluid mixing effect, the geometrical space of said nip chamber (22) and said central chamber (24) being variable.
CN202111009429.3A 2021-08-30 2021-08-30 Blending ball valve Active CN113738912B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111009429.3A CN113738912B (en) 2021-08-30 2021-08-30 Blending ball valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111009429.3A CN113738912B (en) 2021-08-30 2021-08-30 Blending ball valve

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CN113738912A CN113738912A (en) 2021-12-03
CN113738912B true CN113738912B (en) 2023-02-24

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08121623A (en) * 1994-10-27 1996-05-17 Fuji Koki Seisakusho:Kk Mixing valve
JPH08128560A (en) * 1994-10-31 1996-05-21 Matsushita Electric Ind Co Ltd Hot/cold water mixing device
JP2003021245A (en) * 2001-07-10 2003-01-24 Fuji Koki Corp Selector valve
JP2005291347A (en) * 2004-03-31 2005-10-20 Yamatake Corp Three-way ball valve
CN101482189A (en) * 2008-01-11 2009-07-15 株式会社山武 Three-way ball valve

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08121623A (en) * 1994-10-27 1996-05-17 Fuji Koki Seisakusho:Kk Mixing valve
JPH08128560A (en) * 1994-10-31 1996-05-21 Matsushita Electric Ind Co Ltd Hot/cold water mixing device
JP2003021245A (en) * 2001-07-10 2003-01-24 Fuji Koki Corp Selector valve
JP2005291347A (en) * 2004-03-31 2005-10-20 Yamatake Corp Three-way ball valve
CN101482189A (en) * 2008-01-11 2009-07-15 株式会社山武 Three-way ball valve

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
四通旋塞与四通球阀在纵倾平衡控制系统应用中比较;鲍海阁等;《机电设备》(第06期);第1-4、21页 *

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