CN109990108B - Multi-specification valve core combined type accurate flow regulating valve - Google Patents
Multi-specification valve core combined type accurate flow regulating valve Download PDFInfo
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- CN109990108B CN109990108B CN201910271362.7A CN201910271362A CN109990108B CN 109990108 B CN109990108 B CN 109990108B CN 201910271362 A CN201910271362 A CN 201910271362A CN 109990108 B CN109990108 B CN 109990108B
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- 230000001105 regulatory effect Effects 0.000 title abstract description 16
- 238000007789 sealing Methods 0.000 claims description 21
- 230000004323 axial length Effects 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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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
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
-
- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/34—Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
-
- 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
Abstract
The invention relates to a multi-specification valve core combined type precise flow regulating valve, which comprises a valve body and three valve cores with different specifications, wherein the valve cores are arranged in the valve body; the valve cavity comprises three valve cavities A, B and C which are respectively and independently arranged, the valve cavity A is communicated with the inlet flow passage through the sub-flow passage A, the valve cavity B is communicated with the inlet flow passage through the sub-flow passage B, the valve cavity C is communicated with the inlet flow passage through the sub-flow passage C, and the valve cavity A, the valve cavity B and the valve cavity C are all communicated with the outlet flow passage; the valve core comprises a valve core A, a valve core B and a valve core C which are respectively and correspondingly arranged in the valve cavity, and the flow of the medium is regulated in a combined way through three valve cores with different specifications, so that the accurate regulation of the flow of the medium is realized.
Description
Technical Field
The invention relates to the technical field of flow regulating valves, in particular to a multi-specification valve core combined type accurate flow regulating valve.
Background
In the automatic control of modern factories, regulating valves play a very important role, the production of the factories depends on the correct distribution and control of flowing media, the control is realized by certain control elements no matter the energy exchange, the pressure reduction or the simple container charging, the traditional flow regulating valves are controlled by adopting constant flow and time, the flow regulating valves are complex in structure and low in flow regulating precision, the pipelines with small and precise flow requirements cannot be accurately controlled, the flow of the media can only be approximately controlled, and the technical requirements of the modern production cannot be met, so that the development of the flow regulating valve capable of accurately controlling the flow of the media is needed.
Disclosure of Invention
In order to solve the problems, the invention provides a multi-specification valve core combined type accurate flow regulating valve.
The specific contents are as follows: the utility model provides an accurate flow control valve of many specifications case combination formula, this governing valve includes the valve body and sets up the case of three different specifications in the valve body, characterized by:
the valve body is internally provided with an inlet runner communicated with the outside, an outlet runner communicated with the outside and a valve cavity communicated with the inlet runner and the outlet runner in the valve body; the valve cavity comprises three valve cavities A, B and C which are respectively and independently arranged, the valve cavity A is communicated with the inlet flow passage through the sub-flow passage A, the valve cavity B is communicated with the inlet flow passage through the sub-flow passage B, the valve cavity C is communicated with the inlet flow passage through the sub-flow passage C, and the valve cavity A, the valve cavity B and the valve cavity C are all communicated with the outlet flow passage;
the valve core comprises a valve core A, a valve core B and a valve core C, the valve core A is a cylinder matched with the inner diameter of the sub-flow passage A, the valve core A is coaxially plugged in the sub-flow passage A, one end of the valve core A is positioned in the valve cavity A, a disc-shaped sealing end plate A with the diameter larger than that of the valve core A and matched with the valve cavity A is coaxially fixed on the end surface of the valve core A, a valve rod A which extends outwards and penetrates through the valve body is coaxially fixed on the outer end surface of the sealing end plate A, the valve rod A is connected with the valve body through threads, a diversion passage A which is uniformly distributed along the outer circumferential surface of the valve core A and is cut inwards is arranged on the valve core A, the diversion passage A is formed by scanning and cutting along an arc-shaped path A by a fan-shaped contour, and the arc-shaped path A is coplanar with the axis of the valve core A and is stopped from the center of the end surface of the valve core A at one end of the sub-flow passage A to the outer circumferential surface of the valve core A;
the valve core B is a cylinder matched with the inner diameter of the sub-flow passage B, the valve core B is coaxially plugged in the sub-flow passage B, one end of the valve core B is positioned in the valve cavity B, a disc-shaped sealing end plate with the diameter larger than that of the valve core B and matched with the valve cavity B is coaxially fixed on the end face of one end of the valve core B, the outer end face of the sealing end plate B is coaxially fixed with a valve rod B which extends outwards and penetrates through the valve body, the valve rod B is connected with the valve body through threads, the valve core B is provided with a split passage B which is uniformly distributed along the outer circumferential surface and is cut inwards, the split passage B is formed by scanning and cutting a fan-shaped contour along an arc-shaped path B, and the arc-shaped path B is coplanar with the axis of the valve core B and is stopped from the center of the end face of one end of the valve core B in the sub-flow passage B to the outer circumferential surface of the valve core B;
the valve core C is a cylinder matched with the inner diameter of the sub-flow passage C, the valve core C is coaxially plugged in the sub-flow passage C, one end of the valve core C is positioned in the valve cavity C, a disc-shaped sealing end plate C with the diameter larger than that of the valve core C and matched with the valve cavity C is coaxially fixed on the end face of one end of the valve core C positioned in the valve cavity C, a valve rod C which extends outwards and penetrates through the valve body is coaxially fixed on the outer end face of the sealing end plate C, and the valve rod C is connected with the valve body through threads; the valve core C is provided with a split runner C which is uniformly distributed along the outer circumferential surface and is cut inwards, the split runner C is formed by scanning and cutting a fan-shaped contour along an arc-shaped path C, the arc-shaped path C is coplanar with the axis of the valve core C, and the split runner C is stopped from the center of the end surface of one end of the valve core C in the sub-runner C to the outer circumferential surface of the valve core C;
preferably, the arc-shaped path A, the arc-shaped path B and the arc-shaped path C are one section of a parabola or one section of an ellipse.
Preferably, the arc-shaped path A, the arc-shaped path B and the arc-shaped path C are all sections of parabolas, the top points of the parabolas are respectively arranged at the starting points of the arc-shaped path A, the arc-shaped path B and the arc-shaped path C, and the focuses of the parabolas are respectively arranged at the axes of the valve core A, the valve core B and the valve core C.
Preferably, the arc-shaped path A, the arc-shaped path B and the arc-shaped path C are all sections of an ellipse, the top point of the major axis of the ellipse is the starting point of the arc-shaped path A, the arc-shaped path B and the arc-shaped path C respectively, and the focal points of the ellipse are respectively arranged on the axes of the valve core A, the valve core B and the valve core C.
Preferably, the inlet runner and the outlet runner on the valve body are respectively provided with an inlet joint and an outlet joint.
Preferably, a handle A is fixed on the free end of the valve rod A, a handle B is fixed on the free end of the valve rod B, and a handle C is fixed on the free end of the valve rod C.
Preferably, the axial length of the valve core A is matched with the transverse length of the valve cavity A, the axial length of the valve core B is matched with the transverse length of the valve cavity B, and the axial length of the valve core C is matched with the transverse length of the valve cavity C.
The beneficial technical effects of the invention are as follows: the invention relates to a multi-specification valve core combined type precise flow regulating valve, which comprises a valve body and three valve cores with different specifications, wherein the valve cores are arranged in the valve body; the valve cavity comprises three valve cavities A, B and C which are respectively and independently arranged, the valve cavity A is communicated with the inlet flow passage through the sub-flow passage A, the valve cavity B is communicated with the inlet flow passage through the sub-flow passage B, the valve cavity C is communicated with the inlet flow passage through the sub-flow passage C, and the valve cavity A, the valve cavity B and the valve cavity C are all communicated with the outlet flow passage; the valve core comprises a valve core A, a valve core B and a valve core C which are respectively and correspondingly arranged in the valve cavity, and the flow of the medium is regulated in a combined way through three valve cores with different specifications, so that the accurate regulation of the flow of the medium is realized.
Drawings
FIG. 1 is a schematic diagram of a main pipe structure of a multi-specification valve core combined type accurate flow regulating valve;
FIG. 2 is a cross-sectional view of A-A of FIG. 1;
FIG. 3 is a subjective structural schematic of valve core A;
FIG. 4 is a schematic cross-sectional view of B-B of FIG. 3;
FIG. 5 is a subjective structural schematic of the valve core B;
FIG. 6 is a schematic cross-sectional view of C-C of FIG. 5;
FIG. 7 is a subjective structural schematic of valve core C;
FIG. 8 is a schematic cross-sectional view of D-D of FIG. 7;
in the figure: 1. valve body, valve core A, valve core B, valve core C;
11. valve cavity A, 12, valve cavity B, 13, valve cavity C, 14, sub-flow passage A, 15, sub-flow passage B, 16, sub-flow passage C, 17, inlet flow passage, 18, inlet connector, 19, outlet flow passage, 20, outlet connector, 21, valve stem A, 22, handle A, 23, sealing end plate A, 24, shunt passage A, 25, arc-shaped path A, 31, valve stem B, 32, handle B, 33, sealing end plate B, 34, shunt passage B, 35, arc-shaped path B, 41, valve stem C, 42, handle C, 43, sealing end plate C, 44, shunt passage C, 45, arc-shaped path C.
Detailed Description
1-8, a multi-specification valve core combined type accurate flow regulating valve comprises a valve body and three valve cores with different specifications, wherein the valve cores are arranged in the valve body, and the valve cores with more specifications can be arranged according to requirements;
the valve body is internally provided with an inlet runner communicated with the outside, an outlet runner communicated with the outside and a valve cavity communicated with the inlet runner and the outlet runner in the valve body; the valve cavity comprises three valve cavities A, B and C which are respectively and independently arranged, the valve cavity A is communicated with the inlet flow passage through the sub-flow passage A, the valve cavity B is communicated with the inlet flow passage through the sub-flow passage B, the valve cavity C is communicated with the inlet flow passage through the sub-flow passage C, and the valve cavity A, the valve cavity B and the valve cavity C are all communicated with the outlet flow passage;
the valve core comprises a valve core A, a valve core B and a valve core C, wherein the valve core A is a cylinder matched with the inner diameter of the sub-flow channel A, the valve core A is coaxially plugged in the sub-flow channel A, one end of the valve core A is positioned in the valve cavity A, a disc-shaped sealing end plate A with the diameter larger than that of the valve core A and matched with the valve cavity A is coaxially fixed on the end surface of the valve core A, a valve rod A which extends outwards and penetrates through the valve body is coaxially fixed on the outer end surface of the sealing end plate A, the valve rod A is connected with the valve body through threads, the valve core A is in threaded connection to realize the adjustment of the valve core, the valve core A is provided with a diversion channel A which is uniformly distributed along the outer circumferential surface and is cut inwards, the diversion channel A is formed by scanning and cutting along an arc-shaped path A along the arc-shaped contour, and the arc-shaped path A is coplanar with the axis of the valve core A and is stopped from the center of the end surface of the valve core A at one end of the sub-flow channel A to the outer circumferential surface of the valve core A;
the valve core B is a cylinder matched with the inner diameter of the sub-flow passage B, the valve core B is coaxially plugged in the sub-flow passage B, one end of the valve core B is positioned in the valve cavity B, a disc-shaped sealing end plate with the diameter larger than that of the valve core B and matched with the valve cavity B is coaxially fixed on the end face of one end of the valve core B, the outer end face of the sealing end plate B is coaxially fixed with a valve rod B which extends outwards and penetrates through the valve body, the valve rod B is connected with the valve body through threads, the valve core B is provided with a split passage B which is uniformly distributed along the outer circumferential surface and is cut inwards, the split passage B is formed by scanning and cutting a fan-shaped contour along an arc-shaped path B, and the arc-shaped path B is coplanar with the axis of the valve core B and is stopped from the center of the end face of one end of the valve core B in the sub-flow passage B to the outer circumferential surface of the valve core B;
the valve core C is a cylinder matched with the inner diameter of the sub-flow passage C, the valve core C is coaxially plugged in the sub-flow passage C, one end of the valve core C is positioned in the valve cavity C, a disc-shaped sealing end plate C with the diameter larger than that of the valve core C and matched with the valve cavity C is coaxially fixed on the end face of one end of the valve core C positioned in the valve cavity C, a valve rod C which extends outwards and penetrates through the valve body is coaxially fixed on the outer end face of the sealing end plate C, and the valve rod C is connected with the valve body through threads; the valve core C is provided with a split runner C which is uniformly distributed along the outer circumferential surface and is cut inwards, the split runner C is formed by scanning and cutting a fan-shaped contour along an arc-shaped path C, the arc-shaped path C is coplanar with the axis of the valve core C, and the split runner C is stopped from the center of the end surface of one end of the valve core C in the sub-runner C to the outer circumferential surface of the valve core C;
the arc path A, the arc path B and the arc path C are parabolic sections or elliptical sections, and the arc path can be designed into other linear arcs according to actual needs.
The arc-shaped path A, the arc-shaped path B and the arc-shaped path C are all sections of parabolas, the top points of the parabolas are respectively arranged at the starting points of the arc-shaped path A, the arc-shaped path B and the arc-shaped path C, and the focuses of the parabolas are respectively arranged at the axes of the valve core A, the valve core B and the valve core C.
The arc path A, the arc path B and the arc path C are all elliptical sections, the top points of the major axes of the ellipses are respectively the starting points of the arc path A, the arc path B and the arc path C, and the focal points of the ellipses are respectively arranged on the axes of the valve core A, the valve core B and the valve core C.
The inlet runner and the outlet runner on the valve body are respectively provided with an inlet joint and an outlet joint.
A handle A is fixed on the free end of the valve rod A, a handle B is fixed on the free end of the valve rod B, and a handle C is fixed on the free end of the valve rod C.
The axial length of the valve core A is matched with the transverse length of the valve cavity A, the axial length of the valve core B is matched with the transverse length of the valve cavity B, and the axial length of the valve core C is matched with the transverse length of the valve cavity C.
The working principle and the process of the invention are as follows:
according to the invention, through the inlet joint and the outlet joint, a circulating medium enters from the inlet flow channel and flows out from the outlet flow channel through the valve core, the valve core moves in the corresponding flow channel along the axial direction by rotating the handle, so that the flow area formed between the flow dividing channel on the valve core and the end surface of the corresponding sub-flow channel is changed, the flow of the circulating medium is further adjusted, and through arranging a plurality of valve cores with different specifications, a plurality of different flow adjusting accuracies are formed, the more accurate adjustment of the flow of the medium is realized.
Claims (5)
1. The utility model provides an accurate flow control valve of many specifications case combination formula, this governing valve includes the valve body and sets up the case of three different specifications in the valve body, characterized by:
the valve body is internally provided with an inlet runner communicated with the outside, an outlet runner communicated with the outside and a valve cavity communicated with the inlet runner and the outlet runner in the valve body; the valve cavity comprises three valve cavities A, B and C which are respectively and independently arranged, the valve cavity A is communicated with the inlet flow passage through the sub-flow passage A, the valve cavity B is communicated with the inlet flow passage through the sub-flow passage B, the valve cavity C is communicated with the inlet flow passage through the sub-flow passage C, and the valve cavity A, the valve cavity B and the valve cavity C are all communicated with the outlet flow passage;
the valve core comprises a valve core A, a valve core B and a valve core C, the valve core A is a cylinder matched with the inner diameter of the sub-flow passage A, the valve core A is coaxially plugged in the sub-flow passage A, one end of the valve core A is positioned in the valve cavity A, a disc-shaped sealing end plate A with the diameter larger than that of the valve core A and matched with the valve cavity A is coaxially fixed on the end surface of the valve core A, a valve rod A which extends outwards and penetrates through the valve body is coaxially fixed on the outer end surface of the sealing end plate A, the valve rod A is connected with the valve body through threads, a diversion passage A which is uniformly distributed along the outer circumferential surface of the valve core A and is cut inwards is arranged on the valve core A, the diversion passage A is formed by scanning and cutting along an arc-shaped path A by a fan-shaped contour, and the arc-shaped path A is coplanar with the axis of the valve core A and is stopped from the center of the end surface of the valve core A at one end of the sub-flow passage A to the outer circumferential surface of the valve core A;
the valve core B is a cylinder matched with the inner diameter of the sub-flow passage B, the valve core B is coaxially plugged in the sub-flow passage B, one end of the valve core B is positioned in the valve cavity B, a disc-shaped sealing end plate with the diameter larger than that of the valve core B and matched with the valve cavity B is coaxially fixed on the end face of one end of the valve core B, the outer end face of the sealing end plate B is coaxially fixed with a valve rod B which extends outwards and penetrates through the valve body, the valve rod B is connected with the valve body through threads, the valve core B is provided with a split passage B which is uniformly distributed along the outer circumferential surface and is cut inwards, the split passage B is formed by scanning and cutting a fan-shaped contour along an arc-shaped path B, and the arc-shaped path B is coplanar with the axis of the valve core B and is stopped from the center of the end face of one end of the valve core B in the sub-flow passage B to the outer circumferential surface of the valve core B;
the valve core C is a cylinder matched with the inner diameter of the sub-flow passage C, the valve core C is coaxially plugged in the sub-flow passage C, one end of the valve core C is positioned in the valve cavity C, a disc-shaped sealing end plate C with the diameter larger than that of the valve core C and matched with the valve cavity C is coaxially fixed on the end face of one end of the valve core C positioned in the valve cavity C, a valve rod C which extends outwards and penetrates through the valve body is coaxially fixed on the outer end face of the sealing end plate C, and the valve rod C is connected with the valve body through threads; the valve core C is provided with a split runner C which is uniformly distributed along the outer circumferential surface and is cut inwards, the split runner C is formed by scanning and cutting a fan-shaped contour along an arc-shaped path C, the arc-shaped path C is coplanar with the axis of the valve core C, and the split runner C is stopped from the center of the end surface of one end of the valve core C in the sub-runner C to the outer circumferential surface of the valve core C;
the inlet runner and the outlet runner on the valve body are respectively provided with an inlet joint and an outlet joint;
a handle A is fixed on the free end of the valve rod A, a handle B is fixed on the free end of the valve rod B, and a handle C is fixed on the free end of the valve rod C.
2. The multi-specification spool combination accurate flow control valve of claim 1, characterized by: the arc-shaped path A, the arc-shaped path B and the arc-shaped path C are all one section of a parabola or one section of an ellipse.
3. The multi-specification spool combination accurate flow control valve of claim 2, characterized by: the arc-shaped path A, the arc-shaped path B and the arc-shaped path C are all sections of parabolas, the top points of the parabolas are respectively arranged at the starting points of the arc-shaped path A, the arc-shaped path B and the arc-shaped path C, and the focuses of the parabolas are respectively arranged at the axes of the valve core A, the valve core B and the valve core C.
4. The multi-specification spool combination accurate flow control valve of claim 2, characterized by: the arc path A, the arc path B and the arc path C are all elliptical sections, the top points of the major axes of the ellipses are respectively the starting points of the arc path A, the arc path B and the arc path C, and the focal points of the ellipses are respectively arranged on the axes of the valve core A, the valve core B and the valve core C.
5. The multi-specification spool combination accurate flow control valve of claim 1, characterized by: the axial length of the valve core A is matched with the transverse length of the valve cavity A, the axial length of the valve core B is matched with the transverse length of the valve cavity B, and the axial length of the valve core C is matched with the transverse length of the valve cavity C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910271362.7A CN109990108B (en) | 2019-04-04 | 2019-04-04 | Multi-specification valve core combined type accurate flow regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910271362.7A CN109990108B (en) | 2019-04-04 | 2019-04-04 | Multi-specification valve core combined type accurate flow regulating valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109990108A CN109990108A (en) | 2019-07-09 |
| CN109990108B true CN109990108B (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910271362.7A Active CN109990108B (en) | 2019-04-04 | 2019-04-04 | Multi-specification valve core combined type accurate flow regulating valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN109990108B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483987A (en) * | 2021-12-09 | 2022-05-13 | 沈阳航天新光集团有限公司 | Flow regulating valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4574844A (en) * | 1984-11-13 | 1986-03-11 | Mac Valves, Inc. | Four-way poppet valve |
| CN201155580Y (en) * | 2008-02-18 | 2008-11-26 | 河南省泰隆科技开发应用有限公司 | Adjustable valve |
| CN103867735A (en) * | 2014-03-28 | 2014-06-18 | 株洲南方阀门股份有限公司 | Main water supply bypass regulating valve |
| EP2889521A1 (en) * | 2013-12-31 | 2015-07-01 | Danfoss A/S | Three-way valve for flow mixing and flow division |
| CN108843809A (en) * | 2018-08-23 | 2018-11-20 | 合肥合茂电子科技有限公司 | A kind of high sealing rotary reversing valve |
| CN209925660U (en) * | 2019-04-04 | 2020-01-10 | 新乡航空工业(集团)有限公司 | Multi-specification valve core combined type accurate flow regulating valve |
-
2019
- 2019-04-04 CN CN201910271362.7A patent/CN109990108B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4574844A (en) * | 1984-11-13 | 1986-03-11 | Mac Valves, Inc. | Four-way poppet valve |
| CN201155580Y (en) * | 2008-02-18 | 2008-11-26 | 河南省泰隆科技开发应用有限公司 | Adjustable valve |
| EP2889521A1 (en) * | 2013-12-31 | 2015-07-01 | Danfoss A/S | Three-way valve for flow mixing and flow division |
| CN103867735A (en) * | 2014-03-28 | 2014-06-18 | 株洲南方阀门股份有限公司 | Main water supply bypass regulating valve |
| CN108843809A (en) * | 2018-08-23 | 2018-11-20 | 合肥合茂电子科技有限公司 | A kind of high sealing rotary reversing valve |
| CN209925660U (en) * | 2019-04-04 | 2020-01-10 | 新乡航空工业(集团)有限公司 | Multi-specification valve core combined type accurate flow regulating valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109990108A (en) | 2019-07-09 |
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