CN209925660U - 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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- CN209925660U CN209925660U CN201920454179.6U CN201920454179U CN209925660U CN 209925660 U CN209925660 U CN 209925660U CN 201920454179 U CN201920454179 U CN 201920454179U CN 209925660 U CN209925660 U CN 209925660U
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Abstract
The utility model 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 arranged in the valve body, wherein an inlet flow passage communicated with the outside, an outlet flow passage communicated with the outside and a valve cavity communicated with the inlet flow passage and the outlet flow passage in the valve body are arranged in the valve body; the valve cavity comprises a valve cavity A, a valve cavity B and a valve cavity C which are independently arranged, the valve cavity A is communicated with the inlet runner through a sub-runner A, the valve cavity B is communicated with the inlet runner through a sub-runner B, the valve cavity C is communicated with the inlet runner through a sub-runner C, and the valve cavity A, the valve cavity B and the valve cavity C are communicated with the outlet runner; 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 a medium is combined and adjusted through the three valve cores with different specifications, so that the accurate adjustment of the medium flow is realized.
Description
Technical Field
The utility model relates to a flow control valve's technical field, in particular to many specifications case combination formula accurate flow control valve.
Background
In the automatic control of modern factories, regulating valves play an important role, the production of these factories depends on the correct distribution and control of flowing media, and these controls, no matter whether energy exchange, pressure reduction or simple container charging, all need some control elements to complete finally, for flow regulating valves, traditional flow regulating valves adopt constant flow and time to control, and flow regulating valves are relatively complicated in structure, low in flow regulating precision, and can not control the pipeline with fine flow requirements accurately, only can roughly control the flow of media, and can not meet the technical requirements of modern production, so that there is a great need to develop a flow regulating valve capable of accurately controlling the flow of media.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a many specifications case combination formula accurate flow control valve.
The specific contents are as follows: many specifications case combination formula accurate flow control valve, this governing valve include the valve body and set up the case of the three different specifications in the valve body, characterized by:
an inlet flow passage communicated with the outside, an outlet flow passage communicated with the outside and a valve cavity communicated with the inlet flow passage and the outlet flow passage in the valve body are arranged in the valve body; the valve cavity comprises a valve cavity A, a valve cavity B and a valve cavity C which are independently arranged, the valve cavity A is communicated with the inlet runner through a sub-runner A, the valve cavity B is communicated with the inlet runner through a sub-runner B, the valve cavity C is communicated with the inlet runner through a sub-runner C, and the valve cavity A, the valve cavity B and the valve cavity C are communicated with the outlet runner;
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 inserted in the sub-runner 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 one end of the valve core A positioned in the valve cavity A, a valve rod A which extends outwards and passes 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 screw threads, the valve core A is provided with a shunt way A which is uniformly distributed along the outer circumferential surface and is cut inwards, the sub-runner A is formed by scanning and cutting off a fan-shaped outline along an arc-shaped path A, the arc-shaped path A is coplanar with the axis of the valve core A and extends from the center of the end face circle of one end of the valve core A in the sub-runner 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 inserted 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 B with the diameter larger than that of the valve core B and matched with the valve cavity B is coaxially fixed on the end surface of one end of the valve core B positioned in the valve cavity B, a valve rod B which extends outwards and penetrates through the valve body is coaxially fixed on the outer end surface of the sealing end plate B, the valve rod B is connected with the valve body through threads, a sub-flow passage B which is uniformly distributed along the outer circumferential surface of the valve core B and is cut inwards is arranged on the valve core B, the sub-flow passage B is formed by scanning and cutting a fan-shaped outline along an arc-shaped path B, the arc-shaped path B is coplanar with the axis 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 which is larger than the valve core C in diameter and matched with the valve cavity C is coaxially fixed on the end surface 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 surface 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 sub-channel C which is uniformly distributed along the outer circumferential surface and is cut inwards, the sub-channel C is formed by scanning and cutting a fan-shaped profile along an arc-shaped path C, the arc-shaped path C is coplanar with the axis of the valve core C and extends from the center of the end surface of one end of the valve core C in the sub-channel 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 sections of parabolas or sections of ellipses.
Preferably, the arc-shaped path A, the arc-shaped path B and the arc-shaped path C are sections of parabolas, the vertex of each parabola is respectively located at the starting point of the arc-shaped path A, the starting point of the arc-shaped path B and the starting point of the arc-shaped path C, and the focus of each parabola is respectively located on the axis of the valve core A, the axis of the valve core B and the axis of the valve core C.
Preferably, the arc-shaped path A, the arc-shaped path B and the arc-shaped path C are sections of an ellipse, the vertex of one major axis of the ellipse is the starting point of the arc-shaped path A, the starting point of the arc-shaped path B and the starting point of the arc-shaped path C respectively, and the focus of the ellipse is on the axis of the valve core A, the axis of the valve core B and the axis of the valve core C respectively.
Preferably, the inlet channel and the outlet channel 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 utility model has the advantages of: the utility model 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 arranged in the valve body, wherein an inlet flow passage communicated with the outside, an outlet flow passage communicated with the outside and a valve cavity communicated with the inlet flow passage and the outlet flow passage in the valve body are arranged in the valve body; the valve cavity comprises a valve cavity A, a valve cavity B and a valve cavity C which are independently arranged, the valve cavity A is communicated with the inlet runner through a sub-runner A, the valve cavity B is communicated with the inlet runner through a sub-runner B, the valve cavity C is communicated with the inlet runner through a sub-runner C, and the valve cavity A, the valve cavity B and the valve cavity C are communicated with the outlet runner; 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 a medium is combined and adjusted through the three valve cores with different specifications, so that the accurate adjustment of the medium flow is realized.
Drawings
FIG. 1 is a schematic structural diagram of a main pipe of a multi-specification valve core combined type precise flow control valve;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic view of the subjective structure of the valve core A;
FIG. 4 is a schematic cross-sectional view taken along line B-B in FIG. 3;
FIG. 5 is a schematic view of the subjective structure of the valve core B;
FIG. 6 is a schematic cross-sectional view taken along line C-C in FIG. 5;
FIG. 7 is a schematic view of the subjective structure of the valve core C;
FIG. 8 is a schematic cross-sectional view taken along line D-D of FIG. 7;
in the figure: 1. the valve comprises a valve body, 2, a valve core A, 3, a valve core B and 4, a valve core C;
11. the valve cavity A, 12, the valve cavity B, 13, the valve cavity C, 14, the sub-flow passage A, 15, the sub-flow passage B, 16, the sub-flow passage C, 17, the inlet flow passage, 18, the inlet joint, 19, the outlet flow passage, 20, the outlet joint, 21, the valve rod A, 22, the handle A, 23, the sealing end plate A, 24, the sub-flow passage A, 25, the arc path A, 31, the valve rod B, 32, the handle B, 33, the sealing end plate B, 34, the sub-flow passage B, 35, the arc path B, 41, the valve rod C, 42, the handle C, 43, the sealing end plate C, 44, the sub-flow passage C, 45 and the arc path C.
Detailed Description
In the first embodiment, referring to fig. 1 to 8, a multi-specification valve core combined type precise flow regulating valve includes a valve body and three valve cores of different specifications arranged in the valve body, and valve cores of more specifications can be arranged according to requirements;
an inlet flow passage communicated with the outside, an outlet flow passage communicated with the outside and a valve cavity communicated with the inlet flow passage and the outlet flow passage in the valve body are arranged in the valve body; the valve cavity comprises a valve cavity A, a valve cavity B and a valve cavity C which are independently arranged, the valve cavity A is communicated with the inlet runner through a sub-runner A, the valve cavity B is communicated with the inlet runner through a sub-runner B, the valve cavity C is communicated with the inlet runner through a sub-runner C, and the valve cavity A, the valve cavity B and the valve cavity C are communicated with the outlet runner;
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 inserted in the sub-runner 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 one end of the valve core A positioned in the valve cavity A, a valve rod A which extends outwards and passes 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 screw threads, the valve core is adjusted through the screw threads, the valve core A is provided with branch channels A which are uniformly distributed along the outer circumferential surface and cut inwards, the sub-runner A is formed by scanning and cutting off a fan-shaped outline along an arc-shaped path A, the arc-shaped path A is coplanar with the axis of the valve core A and extends from the center of the end face circle of one end of the valve core A in the sub-runner 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 inserted 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 B with the diameter larger than that of the valve core B and matched with the valve cavity B is coaxially fixed on the end surface of one end of the valve core B positioned in the valve cavity B, a valve rod B which extends outwards and penetrates through the valve body is coaxially fixed on the outer end surface of the sealing end plate B, the valve rod B is connected with the valve body through threads, a sub-flow passage B which is uniformly distributed along the outer circumferential surface of the valve core B and is cut inwards is arranged on the valve core B, the sub-flow passage B is formed by scanning and cutting a fan-shaped outline along an arc-shaped path B, the arc-shaped path B is coplanar with the axis 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 which is larger than the valve core C in diameter and matched with the valve cavity C is coaxially fixed on the end surface 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 surface 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 sub-channel C which is uniformly distributed along the outer circumferential surface and is cut inwards, the sub-channel C is formed by scanning and cutting a fan-shaped profile along an arc-shaped path C, the arc-shaped path C is coplanar with the axis of the valve core C and extends from the center of the end surface of one end of the valve core C in the sub-channel C to the outer circumferential surface of the valve core C;
the arc-shaped path A, the arc-shaped path B and the arc-shaped path C are sections of parabolas or ellipses, and the arc-shaped paths 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 sections of parabolas, the top points of the parabolas are respectively positioned 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 positioned on the axes of the valve core A, the valve core B and the valve core C.
The arc-shaped path A, the arc-shaped path B and the arc-shaped path C are sections of an ellipse, the vertex of one long axis of the ellipse is the starting point of the arc-shaped path A, the starting point of the arc-shaped path B and the starting point of the arc-shaped path C respectively, and the focus of the ellipse is on the axis of the valve core A, the axis of the valve core B and the axis of the valve core C respectively.
The inlet channel and the outlet channel on the valve body are respectively provided with an inlet connector and an outlet connector.
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 utility model discloses a theory of operation and process:
will the utility model discloses an access joint and outlet connection switch-on are in corresponding pipeline, the medium of circulation gets into from the import runner and flows from the export runner through the case, make the case remove in the runner that corresponds along its axial through rotating the handle, thereby change the flow area that forms between subchannel on the case and the corresponding sub-runner terminal surface, and then realize the regulation of circulation medium flow, through the case that sets up multiple different specifications, form the flow control precision of multiple difference, realize the more accurate regulation to medium flow, because the flow area of subchannel on the above-mentioned case is linear transform, and the trend of change is very slow, consequently when carrying out flow control, rotate the case round through the valve rod, medium flow's variable quantity is very little, thereby can realize medium flow's accurate regulation.
Claims (7)
1. Many specifications case combination formula accurate flow control valve, this governing valve include the valve body and set up the case of the three different specifications in the valve body, characterized by:
an inlet flow passage communicated with the outside, an outlet flow passage communicated with the outside and a valve cavity communicated with the inlet flow passage and the outlet flow passage in the valve body are arranged in the valve body; the valve cavity comprises a valve cavity A, a valve cavity B and a valve cavity C which are independently arranged, the valve cavity A is communicated with the inlet runner through a sub-runner A, the valve cavity B is communicated with the inlet runner through a sub-runner B, the valve cavity C is communicated with the inlet runner through a sub-runner C, and the valve cavity A, the valve cavity B and the valve cavity C are communicated with the outlet runner;
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 inserted in the sub-runner 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 one end of the valve core A positioned in the valve cavity A, a valve rod A which extends outwards and passes 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 screw threads, the valve core A is provided with a shunt way A which is uniformly distributed along the outer circumferential surface and is cut inwards, the sub-runner A is formed by scanning and cutting off a fan-shaped outline along an arc-shaped path A, the arc-shaped path A is coplanar with the axis of the valve core A and extends from the center of the end face circle of one end of the valve core A in the sub-runner 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 inserted 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 B with the diameter larger than that of the valve core B and matched with the valve cavity B is coaxially fixed on the end surface of one end of the valve core B positioned in the valve cavity B, a valve rod B which extends outwards and penetrates through the valve body is coaxially fixed on the outer end surface of the sealing end plate B, the valve rod B is connected with the valve body through threads, a sub-flow passage B which is uniformly distributed along the outer circumferential surface of the valve core B and is cut inwards is arranged on the valve core B, the sub-flow passage B is formed by scanning and cutting a fan-shaped outline along an arc-shaped path B, the arc-shaped path B is coplanar with the axis 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 which is larger than the valve core C in diameter and matched with the valve cavity C is coaxially fixed on the end surface 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 surface 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 plurality of sub-channels C which are uniformly distributed along the outer circumferential surface and are cut inwards, the sub-channels C are formed by scanning and cutting a fan-shaped profile along an arc-shaped path C, and the arc-shaped path C is coplanar with the axis of the valve core C and is from the center of the end surface of one end of the valve core C in the sub-channels C to the outer circumferential surface of the valve core C.
2. The multi-size spool combined precision flow control valve of claim 1, wherein: the arc-shaped path A, the arc-shaped path B and the arc-shaped path C are sections of parabolas or sections of ellipses.
3. The multi-size spool combined precise flow control valve according to claim 2, wherein: the arc-shaped path A, the arc-shaped path B and the arc-shaped path C are sections of parabolas, the top points of the parabolas are respectively positioned 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 positioned on the axes of the valve core A, the valve core B and the valve core C.
4. The multi-size spool combined precise flow control valve according to claim 2, wherein: the arc-shaped path A, the arc-shaped path B and the arc-shaped path C are sections of an ellipse, the vertex of one long axis of the ellipse is the starting point of the arc-shaped path A, the starting point of the arc-shaped path B and the starting point of the arc-shaped path C respectively, and the focus of the ellipse is on the axis of the valve core A, the axis of the valve core B and the axis of the valve core C respectively.
5. The multi-size spool combined precision flow control valve of claim 1, wherein: the inlet channel and the outlet channel on the valve body are respectively provided with an inlet connector and an outlet connector.
6. The multi-size spool combined precision flow control valve of claim 1, wherein: 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.
7. The multi-size spool combined precision flow control valve of claim 1, wherein: 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 |
|---|---|---|---|
| CN201920454179.6U CN209925660U (en) | 2019-04-04 | 2019-04-04 | Multi-specification valve core combined type accurate flow regulating valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920454179.6U CN209925660U (en) | 2019-04-04 | 2019-04-04 | Multi-specification valve core combined type accurate flow regulating valve |
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| CN209925660U true CN209925660U (en) | 2020-01-10 |
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| CN201920454179.6U Active CN209925660U (en) | 2019-04-04 | 2019-04-04 | Multi-specification valve core combined type accurate flow regulating valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990108A (en) * | 2019-04-04 | 2019-07-09 | 新乡航空工业(集团)有限公司 | More specification spool combined type exact flow rate regulating valves |
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2019
- 2019-04-04 CN CN201920454179.6U patent/CN209925660U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990108A (en) * | 2019-04-04 | 2019-07-09 | 新乡航空工业(集团)有限公司 | More specification spool combined type exact flow rate regulating valves |
| CN109990108B (en) * | 2019-04-04 | 2024-03-29 | 航空工业(新乡)计测科技有限公司 | Multi-specification valve core combined type accurate flow regulating valve |
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