CN115507206B - Interchangeable multi-way ball valve - Google Patents
Interchangeable multi-way ball valve Download PDFInfo
- Publication number
- CN115507206B CN115507206B CN202211172576.7A CN202211172576A CN115507206B CN 115507206 B CN115507206 B CN 115507206B CN 202211172576 A CN202211172576 A CN 202211172576A CN 115507206 B CN115507206 B CN 115507206B
- Authority
- CN
- China
- Prior art keywords
- valve
- runner
- valve rod
- valve body
- way ball
- 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.)
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Links
- 210000004907 gland Anatomy 0.000 claims abstract description 11
- 238000012856 packing Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000945 filler Substances 0.000 abstract description 14
- 238000010586 diagram Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/14—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by one actuating member, e.g. a handle
- F16K11/18—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by one actuating member, e.g. a handle with separate operating movements for separate closure members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0263—Construction of housing; Use of materials therefor of lift valves multiple way valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K35/00—Means to prevent accidental or unauthorised actuation
- F16K35/02—Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a pushing or pulling action
- F16K35/022—Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a pushing or pulling action the locking mechanism being actuated by a separate actuating element
- F16K35/025—Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a pushing or pulling action the locking mechanism being actuated by a separate actuating element said actuating element being operated manually (e.g. a push-button located in the valve actuator)
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention provides an interchangeable multi-way ball valve, which comprises a valve body, a ball body, a valve seat, a valve rod, an upper valve cover, a filler and a filler gland, wherein the valve seat is arranged in the valve body, the ball body is matched with the valve seat, the upper valve cover is connected with the side wall of the valve body, the valve rod penetrates through the upper valve cover, the filler and the filler gland are arranged in the circumferential direction of the upper valve cover, the valve body is provided with a first runner in the extending direction of the valve rod, the valve body is provided with at least two second runners in a plane perpendicular to the valve rod, the ball body is provided with a first runner hole communicated with the first runner and a second runner hole respectively communicated with the second runner, the end part of the ball body opposite to the first runner hole is provided with a slotted hole, the first end of the valve rod penetrates through the slotted hole and is connected with a valve plate, and the valve plate is matched with the first runner hole. The invention can realize the rapid switching of the medium flow direction in two planes.
Description
Technical Field
The invention relates to the technical field of ball valves, in particular to an interchangeable multi-way ball valve.
Background
The multi-way ball valve is a novel ball valve, has the characteristics of excellent cutting-off performance, small pressure drop loss, light opening and closing torque, diversified circulation loops, adjustable medium flow direction and the like due to unique self structure, and is widely applied to the fields of petroleum, chemical industry, urban supply and drainage and the like.
The common multi-way ball valve is a three-way or four-way ball valve which is converted on a plane, and also comprises two three-way, four-way and five-way ball valves which are three-dimensionally converted on the direction of a cross vertical plane and are at the bottom inlet side outlet side. For the multi-way ball valve in two plane directions, the flow paths of the inlet and outlet materials in the vertical direction at the bottom are always opened, and in practical application, two planes are always subjected to medium flow direction adjustment in a switching mode, namely medium inlet and outlet in the vertical direction at the bottom and medium inlet and outlet in the horizontal direction at the side are required to be interchanged with time intervals.
Aiming at the working conditions, the existing scheme is realized by selecting a three-dimensional intercommunicated multi-way ball valve and adding a cut-off valve on the vertical direction of the bottom, and the setting mode is high in cost, and has great requirements on the pipe laying space and great difficulty in modifying old equipment or a narrow space.
Therefore, the invention provides the interchangeable multi-way ball valve, which can conveniently and rapidly realize the switching of medium flow between two planes.
Disclosure of Invention
In view of the shortcomings in the prior art, it is an object of the present invention to provide an interchangeable multi-way ball valve.
The invention provides an interchangeable multi-way ball valve, which comprises a valve body, a ball body, a valve seat, a valve rod, an upper valve cover, a filler and a filler gland, wherein the valve seat is arranged in the valve body, the ball body is matched with the valve seat, the upper valve cover is connected with the side wall of the valve body, the valve rod passes through the upper valve cover, a first end of the valve rod is positioned in the valve body, a second end of the valve rod is far away from the valve body and passes through the upper valve cover, the filler and the filler gland are arranged at the end part of the upper valve cover far away from the valve body in the circumferential direction of the valve rod, the valve body is provided with a first runner in the extending direction of the valve rod, the valve body is provided with at least two second runners in a plane perpendicular to the valve rod, the first runner and the second runner are communicated, the ball body is provided with a first runner hole communicated with the first runner, a second runner hole communicated with the second runner hole respectively, the first runner hole and the second runner hole are communicated with the upper valve rod, the end part of the upper valve cover far away from the valve rod is provided with the filler and the filler gland, the end part of the valve rod is provided with the first runner hole, and the valve plate can move along the reciprocating direction along the extending direction of the first runner hole.
Preferably, the valve body comprises a main valve body and at least one auxiliary valve body.
Further, the slotted hole of the sphere is non-circular, and the cross-sectional shape of the first end of the valve rod is matched with the slotted hole.
Preferably, the slot is a hexagonal square hole.
Preferably, the valve plate is connected to the first end of the valve stem by a pin.
Further, the valve rod is provided with a first limit position and a second limit position when reciprocating along the length direction.
Preferably, a limit groove is formed in the circumferential direction of the valve rod, an upper locking limit pin and a lower locking limit pin are arranged on the upper valve cover in a penetrating mode, and the upper locking limit pin, the lower locking limit pin and the limit groove are matched.
Further, a thrust step surface matched with the inner cavity of the upper valve cover is arranged on the valve rod.
Further, a sealing gasket is arranged between the valve body and the valve cover.
Preferably, a handle is connected to the second end of the valve stem.
Compared with the prior art, the invention has the following beneficial effects:
according to the interchangeable multi-way ball valve, the valve plate is arranged on the valve rod, so that when the medium flow direction needs to be switched and communicated between two planes, the switching can be realized conveniently and rapidly; after the switching state is fixed, the exchange of single channels or multiple channels can be realized through the rotary sphere; the multi-way ball valve provided by the invention can be used as a valve, saves the installation space, is convenient to operate, and can well meet the requirement of alternating flow direction change of different mediums in complex reaction pipelines in the fields of chemical industry and the like.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of an interchangeable multi-way ball valve according to an embodiment of the present invention;
FIG. 2 is a schematic illustration of three communication modes of an interchangeable multi-way ball valve according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the horizontal pipeline intercommunication operation of the interchangeable multi-way ball valve according to the embodiment of the invention;
FIG. 4 is a schematic diagram of the horizontal and vertical plumbing of an interchangeable multi-way ball valve in accordance with an embodiment of the present invention;
FIG. 5 is a schematic illustration of a valve stem of an interchangeable multi-way ball valve according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a sphere of an interchangeable multi-way ball valve according to an embodiment of the present invention.
Wherein,
1-a main valve body, 2-an auxiliary valve body, 21-a first runner, 22-a second runner, 3-a ball, 31-a first runner hole, 32-a second runner hole, 33-a slot hole, 4-a valve plate, 41-a connecting pin, 5-a valve seat, 6-a valve rod, 61-a limit groove, 62-a thrust step surface, 7-an upper valve cover, 8-a winding gasket, 9-a sealing gasket, 10-a lower locking limit pin, 11-an upper locking limit pin, 12-a filler, 13-a filler gland, 14-a locking nut and 15-a handle.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present invention.
The invention provides an interchangeable multi-way ball valve, which controls the opening and closing between a valve plate and a spherical integrated valve seat by the reciprocating pushing of a valve rod, so as to open or close a passage at the bottom and complete the switching of medium flow paths.
As shown in fig. 1, the interchangeable multi-way ball valve of the embodiment comprises a valve body, a ball body 3, a valve seat 5, a valve rod 6, an upper valve cover 7, a filler 12 and a filler gland 13, wherein the valve seat 5 is arranged in the valve body, the ball body 3 is arranged in the valve seat 5, and the ball body 3 is matched with the valve seat 5 to realize the switching of the flow paths in the valve body. The upper valve cover 7 is connected with the side wall of the valve body, the valve rod 6 passes through the upper valve cover 7, the first end of the valve rod 6 is positioned in the valve body, and the second end of the valve rod 6 passes out of the upper valve cover 7. A packing 12 and a packing gland 13 are also arranged at the end of the upper valve cover 7 far away from the valve body around the circumference of the valve rod 6 to seal the upper valve cover 7. The first end of the valve rod 6 is also connected with the ball body 3, and the ball body 3 is driven to rotate through the valve rod 6, so that the flow direction is switched.
Ball valves having the above features are well known in the art and can be implemented by those skilled in the art in combination with common general knowledge. The improvement of the invention is as follows.
As shown in fig. 1 and 2, the valve body is provided with a first flow passage 21 in the direction of extension of the valve stem 6, at least 2 second flow passages 22 are provided on a plane perpendicular to the valve stem 6, the first flow passage 21 and the second flow passage 22 are communicated, and the valve seat 5 is provided in a region where the first flow passage 21 and the second flow passage 22 are communicated. Thereby, the first flow channel 21 is perpendicular to the second flow channel 22, and switching of the medium flow direction in different planes is achieved.
As shown in fig. 1 and 6, the ball 3 is provided with a flow passage hole matching with the flow passage of the valve body, specifically, a first flow passage hole 31 communicating with the first flow passage 21 and a second flow passage hole 32 communicating with the second flow passage 22, respectively, and the first flow passage hole 31 and the second flow passage hole 32 are communicated with each other inside the ball 3. A slot 33 is provided in the ball 3 at a position opposite the first flow passage hole 31 such that the first end of the valve stem 6 passes through the slot 33.
As shown in fig. 1 and 5, a first end of the valve stem 6 is connected to a valve plate 4, the valve plate 4 being in particular a planar valve plate. The valve plate 4 is engaged with the first flow passage hole 31 of the ball 3, and can seal the first flow passage hole 31 to restrict the medium flow in the first flow passage 21. In this embodiment, the valve plate 4 has a protrusion, so that the valve plate 4 is connected to the first end of the valve stem 6 by the connecting pin 41.
The slot 33 has a non-circular structure, so that the valve rod 6 can be engaged with the ball 3, and the ball 3 can be driven to rotate together when the valve rod 6 is rotated. In this embodiment, the slot 33 is a hexagonal square hole, and correspondingly, the first end of the valve rod 6 is also hexagonal, so as to realize the matching between the valve rod 6 and the slot 33.
The valve rod 6 can reciprocate along the length direction to drive the valve plate 4 to be far away from or close to the first flow passage hole 31, so that the first flow passage 21 is circulated or blocked. To achieve a stable valve stem 6, the valve stem 6 has a first limit position and a second limit position. Specifically, a limit groove 61 is provided in the circumferential direction of the valve rod 6, and the limit groove 61 surrounds the valve rod 6 for one circle; the upper valve cover 7 is provided with an upper locking limit pin 11 and a lower locking limit pin 10 penetrating through the side walls of the upper valve cover 7, and the ends of the upper locking limit pin 11 and the lower locking limit pin 10 can be inserted into the limit groove 61 respectively to limit the valve rod 6. When the limit groove 61 is matched with the lower locking limit pin 10, the valve plate 4 is positioned at the bottommost part and seals the first flow passage hole 31; when the limit groove 61 is engaged with the upper locking limit pin 11, the valve plate 4 is located at an upper position within the ball 3.
The valve rod 6 is also provided with a thrust step surface 62, the thrust step surface 62 is matched with the inner cavity of the upper valve cover 7, and when the valve rod 6 moves upwards, the valve rod 6 is positioned, so that the upper locking limiting pin 11 can be conveniently inserted into the limiting groove 61.
As shown in fig. 2, the second flow passages 22 may be provided in 2, 3, 4, and more as necessary, forming two-way, three-way, four-way, etc. forms in the horizontal plane shown in fig. 2. Accordingly, the ball 3 may be provided with a corresponding number and positions of the second flow passage holes 32.
As shown in fig. 1, in order to facilitate the assembly of the valve body, the valve body is composed of a main valve body 1 and a plurality of sub-valve bodies 2, and a winding gasket 8 is provided between the main valve body 1 and the sub-valve bodies 2 to seal the valve body. And a sealing gasket 9 is arranged at the joint of the upper valve cover 7 and the valve body, so that the joint is sealed.
The interchangeable multi-way ball valve of this embodiment can be used with manual valves. Specifically, a handle 15 is connected to the end of the valve rod 6, a threaded section is located on the inner side of the handle 15 on the valve rod 6, and a locking nut 14 is arranged on the threaded section to lock the valve rod 6.
As shown in fig. 4 and 3, the interchangeable multi-way ball valve of the present embodiment operates as follows:
when the device is used for communicating horizontal and vertical pipelines, the valve rod 6 is pulled up by the handle 15, the plane valve plate 4 connected with the lower part of the valve rod 6 rises along with the lifting, the bottom passage is opened, and materials can be communicated by the passages of the horizontal and vertical surfaces; when the valve rod 6 is pulled to the thrust step surface 62, the upper locking limiting pin 11 passes through the upper valve cover 7, one end of the upper locking limiting pin is contacted with the limiting groove 61, the vertical passage is always opened at the locking position, and the handle 15 is rotated by 90 degrees or 180 degrees, so that the circulation direction of the horizontal passage can be adjusted. According to the form of the sphere 3, the two horizontal pipelines are communicated or three orthogonal pipelines are communicated with each other, or four pipelines are communicated with each other, and the two horizontal pipelines and the three orthogonal pipelines are communicated with each other.
When the horizontal pipeline is used for communicating only horizontal pipelines, the upper locking locating pin 11 is separated from the limit groove 61, the valve rod 6 is pressed downwards by the handle 15, the plane valve plate 4 connected with the lower part of the valve rod 6 moves downwards along with the valve rod until the valve plate 4 is completely tightly attached to the lower through surface of the ball body 3, the lower locking locating pin 10 passes through the upper valve cover 7, one end of the lower locking locating pin is contacted with the limit groove 61, the vertical passage is kept closed at the locking position, and then the handle 15 is rotated by 90 degrees or 180 degrees, so that the circulation direction of the horizontal passage can be adjusted. According to the form of the sphere 3, the two horizontal pipelines are communicated or three orthogonal pipelines are communicated with each other, or four pipelines are all communicated, and the like, so that no communication with the vertical pipeline exists.
For convenience of description, the above "horizontal" and "vertical" merely represent the state in which the flow paths are perpendicular to each other, and do not represent the horizontal and vertical positions in use.
The foregoing describes specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the invention. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict.
Claims (8)
1. The utility model provides an interchangeable multi-way ball valve, includes valve body, spheroid, disk seat, valve rod, upper valve gap, packing, gland, the disk seat is located in the valve body, the spheroid with the disk seat cooperation, the upper valve gap with the lateral wall of valve body is connected, the valve rod passes the upper valve gap, the first end of valve rod is located in the valve body, the second end of valve rod is kept away from the valve body and wears out the upper valve gap, the upper valve gap is kept away from the tip of valve body is in the circumference of valve rod is equipped with packing with gland, its characterized in that, the valve body is equipped with first runner in the extending direction of valve rod, the valve body is equipped with two at least second runners in the perpendicular to the plane of valve rod, first runner second runner intercommunication, be equipped with on the spheroid first runner hole, respectively with the second runner hole of second runner intercommunication, first runner hole is linked together, the spheroid with first runner hole is in the tip of valve rod is in the circumference of valve rod is equipped with the packing with the gland, the valve plate can be moved along the first runner hole is the first end of valve rod is equipped with the first valve plate, and the valve rod is equipped with the relative length of valve rod, the valve plate is passed through to the first runner hole the plug has the first end, and the plug has the plug pin length.
2. The interchangeable multi-way ball valve of claim 1, wherein the valve body comprises a main valve body and at least one auxiliary valve body.
3. The interchangeable multi-way ball valve of claim 1 wherein the slot of the ball is non-circular and the first end of the valve stem has a cross-sectional shape that matches the slot.
4. The interchangeable multi-way ball valve of claim 1 wherein the slotted hole is a hexagonal square hole.
5. The interchangeable multi-way ball valve according to claim 1, wherein the valve rod is circumferentially provided with a limit groove, the upper valve cover is provided with an upper locking limit pin and a lower locking limit pin in a penetrating manner, and the upper locking limit pin, the lower locking limit pin and the limit groove are matched.
6. The interchangeable multi-way ball valve of claim 5 wherein the valve stem is provided with a thrust step surface that mates with the interior cavity of the upper valve cap.
7. The interchangeable multi-way ball valve of claim 1 wherein a gasket is disposed between the valve body and the valve cover.
8. The interchangeable multi-way ball valve of claim 1, wherein a handle is attached to the second end of the valve stem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211172576.7A CN115507206B (en) | 2022-09-26 | 2022-09-26 | Interchangeable multi-way ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211172576.7A CN115507206B (en) | 2022-09-26 | 2022-09-26 | Interchangeable multi-way ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115507206A CN115507206A (en) | 2022-12-23 |
| CN115507206B true CN115507206B (en) | 2024-01-30 |
Family
ID=84506828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211172576.7A Active CN115507206B (en) | 2022-09-26 | 2022-09-26 | Interchangeable multi-way ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115507206B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2217153Y (en) * | 1994-12-09 | 1996-01-10 | 毛龙光 | Valve with separate operating movements for separate closure members |
| CN2259535Y (en) * | 1996-04-10 | 1997-08-13 | 孙永忱 | Combined valve |
| JPH09242902A (en) * | 1996-03-08 | 1997-09-16 | Kitz Corp | Two-set type three-way ball valve |
| US5785074A (en) * | 1997-01-02 | 1998-07-28 | Nibco, Inc. | Vented ball valve with lock-out ring |
| CN201071946Y (en) * | 2007-08-06 | 2008-06-11 | 山东力诺瑞特新能源有限公司 | Ball check valve |
| CN101988596A (en) * | 2010-08-19 | 2011-03-23 | 浙江武荣阀门有限公司 | Universal multi-connection three-way ball valve |
| CN108167479A (en) * | 2017-12-08 | 2018-06-15 | 长沙德科投资管理咨询有限公司 | A kind of linked switch triplet type valve |
| JP2019039163A (en) * | 2017-08-23 | 2019-03-14 | 弘幸 中島 | Switch valve for emergency water supply |
| CN111120697A (en) * | 2020-01-19 | 2020-05-08 | 温州富睿阀业有限公司 | Internal thread ball valve |
| CN213745187U (en) * | 2020-10-19 | 2021-07-20 | 盐城凯弘机械有限公司 | Valve rod anti-channeling structure of valve |
| CN114427613A (en) * | 2022-01-21 | 2022-05-03 | 白秉鹏 | Four-way internal spiral ball valve |
-
2022
- 2022-09-26 CN CN202211172576.7A patent/CN115507206B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2217153Y (en) * | 1994-12-09 | 1996-01-10 | 毛龙光 | Valve with separate operating movements for separate closure members |
| JPH09242902A (en) * | 1996-03-08 | 1997-09-16 | Kitz Corp | Two-set type three-way ball valve |
| CN2259535Y (en) * | 1996-04-10 | 1997-08-13 | 孙永忱 | Combined valve |
| US5785074A (en) * | 1997-01-02 | 1998-07-28 | Nibco, Inc. | Vented ball valve with lock-out ring |
| CN201071946Y (en) * | 2007-08-06 | 2008-06-11 | 山东力诺瑞特新能源有限公司 | Ball check valve |
| CN101988596A (en) * | 2010-08-19 | 2011-03-23 | 浙江武荣阀门有限公司 | Universal multi-connection three-way ball valve |
| JP2019039163A (en) * | 2017-08-23 | 2019-03-14 | 弘幸 中島 | Switch valve for emergency water supply |
| CN108167479A (en) * | 2017-12-08 | 2018-06-15 | 长沙德科投资管理咨询有限公司 | A kind of linked switch triplet type valve |
| CN111120697A (en) * | 2020-01-19 | 2020-05-08 | 温州富睿阀业有限公司 | Internal thread ball valve |
| CN213745187U (en) * | 2020-10-19 | 2021-07-20 | 盐城凯弘机械有限公司 | Valve rod anti-channeling structure of valve |
| CN114427613A (en) * | 2022-01-21 | 2022-05-03 | 白秉鹏 | Four-way internal spiral ball valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115507206A (en) | 2022-12-23 |
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