CN110159765B - Regulating valve - Google Patents
Regulating valve Download PDFInfo
- Publication number
- CN110159765B CN110159765B CN201910458177.9A CN201910458177A CN110159765B CN 110159765 B CN110159765 B CN 110159765B CN 201910458177 A CN201910458177 A CN 201910458177A CN 110159765 B CN110159765 B CN 110159765B
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- Prior art keywords
- valve
- hole
- worm
- valve seat
- valve body
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/44—Details of seats or valve members of double-seat 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0254—Construction of housing; Use of materials therefor of lift valves with conical shaped valve members
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention relates to a regulating valve, which comprises a valve body, wherein an inlet channel and an outlet channel are arranged in the valve body; the upper valve cover and the lower valve cover are respectively and fixedly arranged at the upper part and the lower part of the valve body; the upper valve seat is in interference fit in the valve body; the lower end of the lower valve seat is in threaded connection with the inside of the lower valve cover; the worm gear is sleeved in the middle of the lower valve seat; the worm is meshed with the worm wheel; the plug is connected to the upper part of the upper valve cover; the valve core is provided with an upper valve clack and a lower valve clack. This governing valve can guarantee reliably sealed, and adjusts the convenience.
Description
Technical Field
The invention belongs to the technical field of pipeline valves, and particularly relates to a regulating valve.
Background
The regulating valve is widely applied to accurately control the process parameters of gas, liquid, steam and other media, such as pressure, flow, temperature and liquid level, to be kept at given values. At present, in modern control, a regulating valve plays a very important role, and the sealing performance of the regulating valve directly influences the use effect of the whole pipeline control system. The hard sealing structure of the sleeve regulating valve used for production in the industry adopts an upper and lower split valve seat mode, the structure requires high processing precision, and the sealing surfaces of the upper and lower valve seats and the valve core are difficult to simultaneously cooperate and take into account during assembly, so that the sealing grade is not high enough, the high requirements of customers cannot be met frequently, and certain potential safety hazards are realized.
Disclosure of Invention
The invention aims to solve the technical problem of providing a regulating valve which can ensure reliable sealing and is convenient to regulate in view of the current technical situation.
The technical scheme adopted by the invention for solving the technical problems is as follows: a regulator valve characterized by: the valve comprises a valve body, wherein a transverse inlet channel and a transverse outlet channel are arranged in the valve body, an upper through flow hole and a lower through flow hole which are used for communicating the inlet channel with the outlet channel are arranged in the valve body, and the upper through flow hole and the lower through flow hole are coaxially arranged; the upper valve cover is fixedly arranged on the upper part of the valve body; the lower valve cover is fixedly arranged at the lower part of the valve body, and the upper end of the lower valve cover extends into the valve body; the upper valve seat is in interference fit in the upper through-flow hole, and a first through-flow hole which penetrates through the upper valve seat in the axial direction is formed in the upper valve seat; the lower valve seat is internally provided with a second through hole which penetrates through the lower valve seat in the axial direction, the side wall of the lower valve seat is provided with a third through hole which is used for communicating the second through hole with an outlet channel, the lower end of the lower valve seat is in threaded connection with the inner hole of the lower valve cover, the upper end of the lower valve seat extends upwards into the lower through hole and is provided with a sealing ring between the upper end of the lower valve seat and the inner wall of the lower through hole, and the side wall of the middle part of the lower valve; the worm gear is sleeved in the middle of the lower valve seat and is positioned between the valve body and the lower valve cover, and a key groove matched with the flat key is formed in the worm gear; the worm is rotatably connected in the valve body and meshed with the worm wheel to drive the lower valve seat to move up and down; the plug is fixedly connected to the upper part of the upper valve cover; the upper end of the valve core is in threaded connection with the plug and extends out of the plug, the lower portion of the valve core extends into an inner hole of the upper valve seat, an upper valve clack and a lower valve clack are arranged in the middle of the valve core, the upper valve clack is matched with the first through-flow hole to control the on-off of the inlet channel and the outlet channel, and the lower valve clack is matched with the second through-flow hole to control the on-off of the inlet channel and the outlet channel.
Preferably, the valve further comprises a plug fixedly connected to the valve body, one end of the worm penetrates through an inner hole of the plug and extends outwards, and the other end of the worm penetrates through an inner hole of the valve body and extends outwards.
Preferably, the worm is provided at both ends thereof with a first and a second retainer ring for limiting the axial movement thereof.
Compared with the prior art, the invention has the advantages that: when the regulating valve is assembled, the lower valve seat is screwed into the lowest end of the lower valve cover and is installed in the valve body, the valve core is rotated to enable the upper valve clack to block the first through-flow hole, the lower valve clack opens the second through-flow hole, then the worm drives the worm wheel to rotate through regulating the worm, the worm wheel further drives the lower valve seat to rotate, and the lower end of the lower valve seat is connected to the lower valve cover through threads so that the lower valve seat moves upwards and the lower valve clack blocks the second through-flow hole. Therefore, the upper valve clack and the lower valve clack can simultaneously keep the sealing between the upper valve clack and the first through-flow hole and the second through-flow hole through the adjusting worm, the machining precision requirement is reduced, and the sealing performance is good.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of a worm and worm wheel of an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of the assembly of the lower valve seat and the worm gear in the embodiment of the invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1-4, is a preferred embodiment of the present invention.
A regulating valve comprises
The valve body 1 is internally provided with a transverse inlet channel 101 and a transverse outlet channel 102 in the valve body 1, an upper through flow hole 103 and a lower through flow hole 104 which are used for communicating the inlet channel 101 with the outlet channel 102 are arranged in the valve body 1, and the upper through flow hole 103 and the lower through flow hole 104 are coaxially arranged.
And the upper valve cover 3 is fixedly arranged on the upper part of the valve body 1.
The lower valve cover 4 is fixedly arranged on the lower part of the valve body 1, and the upper end of the lower valve cover 4 extends into the valve body 1.
The upper valve seat 6 is in interference fit with the upper through hole 103, and a first through hole 61 which penetrates axially is arranged in the upper valve seat 6.
The lower valve seat 7 is provided with a second through hole 71 which axially penetrates through the lower valve seat 7, a third through hole 72 which is used for communicating the second through hole 71 with the outlet channel 102 is arranged on the side wall of the lower valve seat 7, the lower end of the lower valve seat 7 is in threaded connection with the inner hole of the lower valve cover 4, the upper end of the lower valve seat 7 upwards extends into the lower through hole 104 and is provided with a sealing ring 73 between the upper end and the inner wall of the lower through hole 104, and a flat key 74 is arranged on the side wall of the middle part of the lower valve seat 7 along the.
The worm 8 and the worm 8 are rotatably connected in the valve body 1, and the worm 8 is meshed with the worm wheel 9 to drive the lower valve seat 7 to move up and down.
The plug 5 and the plug 5 are fixedly connected with the upper part of the upper valve cover 3.
The upper end of the valve core 2 is connected in the plug 5 in a threaded manner and extends out of the plug 5, the lower part of the valve core 2 extends into an inner hole of the upper valve seat 6, the middle part of the valve core 2 is provided with an upper valve clack 21 and a lower valve clack 22, the upper valve clack 21 is matched with the first through-flow hole 61 to control the on-off of the inlet channel 101 and the outlet channel 102, and the lower valve clack 22 is matched with the second through-flow hole 71 to control the on-off of the inlet channel 101 and the outlet channel 102.
The plug 10 is fixedly connected to the valve body 1, one end of the worm 8 penetrates through an inner hole of the plug 10 and extends outwards, and the other end of the worm 8 penetrates through an inner hole of the valve body 1 and extends outwards. The worm 8 is provided at both ends with a first retainer 11a and a second retainer 11b for restricting its movement in the axial direction.
The working principle and the process of the regulating valve are as follows:
when the regulating valve is assembled, firstly, the lower valve seat 7 is screwed into the lowest end of the lower valve cover 4 and is installed in the valve body 1, after the valve core 2 is installed in the valve body 1, the valve core 2 is rotated to enable the upper valve clack 21 to block the first through-flow hole 61, at the moment, the lower valve clack 22 opens the second through-flow hole 71, then the worm 8 drives the worm wheel 9 to rotate through regulating the worm 8, the worm wheel 9 further drives the lower valve seat 7 to rotate, and the lower end of the lower valve seat 7 is connected to the lower valve cover 4 through threads, so that the lower valve seat moves upwards and the lower valve clack 22 blocks the second through-flow hole 71. Therefore, the upper valve clack 21 and the lower valve clack 22 can be adjusted to simultaneously keep the sealing between the first through hole 61 and the second through hole 71, the machining precision requirement is reduced, and the sealing performance is good.
After the valve core 2 is assembled according to the steps, the upper valve core 21 and the lower valve clack 22 can be opened or closed simultaneously by rotating the valve core, so that the adjusting effect is achieved.
Claims (3)
1. A regulator valve characterized by: comprises that
The valve comprises a valve body (1), wherein a transverse inlet channel (101) and a transverse outlet channel (102) are arranged in the valve body (1), an upper through flow hole (103) and a lower through flow hole (104) which are used for communicating the inlet channel (101) with the outlet channel (102) are arranged in the valve body (1), and the upper through flow hole (103) and the lower through flow hole (104) are coaxially arranged;
the upper valve cover (3), the upper valve cover (3) is fixedly arranged on the upper part of the valve body (1);
the lower valve cover (4), the lower valve cover (4) is fixedly installed on the lower part of the valve body (1), and the upper end of the lower valve cover (4) extends into the valve body (1);
the upper valve seat (6), the upper valve seat (6) is in interference fit in the upper through hole (103), and a first through hole (61) which penetrates axially is formed in the upper valve seat (6);
the valve seat comprises a lower valve seat (7), a second through hole (71) which axially penetrates through the lower valve seat (7) is formed in the lower valve seat (7), a third through hole (72) which is used for communicating the second through hole (71) with an outlet channel (102) is formed in the side wall of the lower valve seat (7), the lower end of the lower valve seat (7) is connected into an inner hole of a lower valve cover (4) in a threaded mode, the upper end of the lower valve seat (7) upwards extends into a lower through hole (104) and a sealing ring (73) is arranged between the upper end of the lower valve seat (7) and the inner wall of the lower through hole (104), and a flat key (;
the worm wheel (9), the worm wheel (9) is sleeved in the middle of the lower valve seat (7) and is positioned between the valve body (1) and the lower valve cover (4), and a key groove (91) matched with the flat key (74) is formed in the worm wheel (9);
the worm (8), the worm (8) is rotatably connected in the valve body (1), and the worm (8) is meshed with the worm wheel (9) to drive the lower valve seat (7) to move up and down;
the plug (5), the plug (5) is fixedly connected with the upper part of the upper valve cover (3);
the valve core (2), the upper end threaded connection of valve core (2) is in plug (5) and stretches out the top of plug (5), the lower part of valve core (2) stretches into in the hole of last valve block (6), the middle part of valve core (2) is equipped with valve clack (21) and lower valve clack (22), it cooperatees with first through-flow hole (61) and is used for controlling the break-make of inlet passage (101) and export passageway (102) to go up valve clack (21), lower valve clack (22) cooperatees with second through-flow hole (71) and is used for controlling the break-make of inlet passage (101) and export passageway (102).
2. The regulator valve according to claim 1, wherein: the valve further comprises a plug (10), the plug (10) is fixedly connected to the valve body (1), one end of the worm (8) penetrates through an inner hole of the plug (10) and extends outwards, and the other end of the worm (8) penetrates through an inner hole of the valve body (1) and extends outwards.
3. The regulator valve according to claim 2, wherein: and a first retainer ring (11a) and a second retainer ring (11b) for limiting the axial movement of the worm (8) are arranged at two ends of the worm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910458177.9A CN110159765B (en) | 2019-05-29 | 2019-05-29 | Regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910458177.9A CN110159765B (en) | 2019-05-29 | 2019-05-29 | Regulating valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110159765A CN110159765A (en) | 2019-08-23 |
| CN110159765B true CN110159765B (en) | 2021-03-02 |
Family
ID=67630067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910458177.9A Active CN110159765B (en) | 2019-05-29 | 2019-05-29 | Regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110159765B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114046357A (en) * | 2021-12-13 | 2022-02-15 | 青岛德固特节能装备股份有限公司 | Novel electric three-way valve |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB885861A (en) * | 1957-12-11 | 1961-12-28 | Sarasin & Cie Ets | Improvements in pressure relief valves |
| CN201250910Y (en) * | 2008-10-22 | 2009-06-03 | 河北工业大学 | Zero friction hard seal butterfly valve |
| CN201934769U (en) * | 2011-02-12 | 2011-08-17 | 周振峰 | Limit device for valve opening/closing mechanism |
| CN203477358U (en) * | 2013-09-06 | 2014-03-12 | 杭州浙临阀门有限公司 | Self-sealing high-pressure steam control valve |
| CN104405888B (en) * | 2014-11-17 | 2017-08-04 | 杭州浙临阀门有限公司 | Compensation sealing pressure-reducing valve |
| CN204922042U (en) * | 2015-07-30 | 2015-12-30 | 张辛悦 | Telescopic butterfly valve of sealed face |
| CN107965603A (en) * | 2016-10-20 | 2018-04-27 | 北京精密机电控制设备研究所 | A kind of miniaturized compact transmission device |
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2019
- 2019-05-29 CN CN201910458177.9A patent/CN110159765B/en active Active
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| Publication number | Publication date |
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| CN110159765A (en) | 2019-08-23 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Cai Youqing Inventor after: Mu Jianchun Inventor after: Cai Ming Inventor after: Other inventor requests not to publish the name Inventor before: Request for anonymity |
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| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210209 Address after: 311400 building 3, 200 Sanqiao Road, Fuchun street, Fuyang District, Hangzhou City, Zhejiang Province Applicant after: Zhejiang Fengyuan Instrument Co.,Ltd. Address before: 315000 Unit 013, Room 18-1, 035, 555 Juxian Road, Ningbo High-tech Zone, Zhejiang Province Applicant before: NINGBO WENZE ELECTROMECHANICAL TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |