CN105757271A - Novel flow fine-adjustment gate valve - Google Patents
Novel flow fine-adjustment gate valve Download PDFInfo
- Publication number
- CN105757271A CN105757271A CN201610307302.2A CN201610307302A CN105757271A CN 105757271 A CN105757271 A CN 105757271A CN 201610307302 A CN201610307302 A CN 201610307302A CN 105757271 A CN105757271 A CN 105757271A
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- CN
- China
- Prior art keywords
- flashboard
- valve
- sealing ring
- valve body
- valve rod
- 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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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
- 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
- F16K3/02—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 flat sealing faces; Packings therefor
- F16K3/0281—Guillotine or blade-type valves, e.g. no passage through the valve member
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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
- F16K3/02—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 flat sealing faces; Packings therefor
- F16K3/029—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 flat sealing faces; Packings therefor with two or more gates
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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
- F16K3/314—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
- F16K3/32—Means for additional adjustment of the rate of flow
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
Abstract
The invention discloses a novel flow fine-adjustment gate valve. The gate valve comprises a valve bonnet, a first adjusting component and a second adjusting component, wherein the valve bonnet is connected to the upper part of a valve body; the first adjusting component and the second adjusting component for adjusting the magnitude of flow are mounted in the valve body; the first adjusting component is arranged between the valve bonnet and the valve body in a sleeving manner, and the second adjusting component is sleeved with the first adjusting component; a sealing ring is arranged between the first adjusting component and the valve body, and the size of a valve opening in an inner cavity of the valve body is adjusted through the up and down movement of the first adjusting component and the second adjusting component. According to the gate valve, a fine adjusting device is mounted by means of the two adjusting components, the flow of fluid flowing through the valve can be finely adjusted, and the defects that the gate valve is large in flow change and cannot be precisely adjusted in an adjusting process are overcome. The device can be well applied to industrial production.
Description
Technical field
The present invention relates to a kind of gate valve, especially related to a kind of novel fine setting gate valve, the fluid flow flowing through valve can be carried out trace compensation.
Background technology
Gate valve is not only simple in structure, good airproof performance, and fluid resistance is little, it is less, easy and simple to handle to open and close required driving torque, easily realize the advantages such as fast opening and closing, it is possible to use flows in looped network pipeline to two directions at medium, obtained quick development in the last few years.
The use of gate valve widely, can realize the adjustment of fluid flow by the up and down motion of flashboard, uses kind and quantity still in continuous expansion, and develops to high temperature, high pressure, heavy caliber, high leakproofness, long-life direction.Its reliability and adaptability are important indicator and the directions of enterprise development.Along with the development of petrochemical industry, particularly oil and gas feed-line, on oil refining cracker, offshore oil, coal direct liquefaction oil device and the aspect gate valve such as nuclear industry be widely used.
At present, most of gate valves are in Flow-rate adjustment process, particularly when low discharge, range of flow changes greatly, but, commercial production industry needs flow number accurate, so needing constantly to regulate to reach necessary flow value, the adaptability of gate valve is increasingly difficult to meet the demand in market.
Summary of the invention
In order to solve the deficiency that gate valve uses, eliminate the drawback that gate valve changes in flow rate is big so that it is there is higher adaptability.Required flow value it is an object of the invention to add flow micro-adjusting device, it is proposed that a kind of Novel flow rate fine setting gate valve, even can be reached too when low discharge.
The present invention will add flow micro-adjusting device on the basis of gate valve, can either control fluid on-off, it is also possible to accurately attains required traffic requirement, and the adaptability for improving valve has very important realistic meaning.
The technical solution used in the present invention is:
The present invention includes valve body, also includes valve gap, the first adjustment assembly and the second adjustment assembly；Valve gap is connected to valve body top, the the first adjustment assembly and second regulating uninterrupted is installed in valve body and adjusts assembly, first adjusts assembly is set in the middle part of valve gap and valve body, second adjusts assembly is set in the first adjustment assembly, it is provided with sealing ring between first adjustment assembly and valve body, first adjustment assembly and second adjusts and is provided with sealing ring between assembly, adjusts assembly by first and the second moving up and down of adjustment assembly adjusts the valve port size at body cavity.
Described first adjusts assembly and includes the first driving handle, first valve rod, first flashboard and the second flashboard, first flashboard and the second flashboard are relatively arranged on valve inner, seal between first flashboard and the second flashboard connecting end surface, first valve stem tip is fixing with the first driving handle to be connected, it is enclosed within valve gap by threaded engagement in the middle part of first driving handle, first driving handle lower end is provided with flange, flange is embedded between the first flashboard and the second flashboard, after rotating the first driving handle, the first valve rod oscilaltion drives the first flashboard and the lifting of the second flashboard, body cavity bottom centre is provided with the cavity for the first flashboard and the second flashboard decline activity.
Described second adjusts assembly and includes the second driving handle, the second valve rod and the 3rd flashboard, second valve rod is arranged in the centre bore of the first valve rod by threaded engagement, second valve stem tip is fixing with the second driving handle after passing the first valve rod to be connected, second valve rod bottom is connected with the 3rd flashboard, and the 3rd flashboard is located between the first flashboard and the second flashboard.
The first described flashboard and the structure of the second flashboard are symmetrical, the adjacent upper part of the first flashboard and the second flashboard connecting end surface all has horizontal semi-circular groove, first driving handle flange is embedded in the circular groove of the first flashboard and the formation of the second flashboard horizontal semi-circular groove, the first flashboard and the second flashboard connecting end surface bottom below horizontal semi-circular groove are all provided with rectangular channel, having fan-shaped groove in rectangular channel, the communication direction of fan-shaped groove is identical with the fluid circulating direction in valve body.
The 3rd described flashboard is arranged between the rectangular channel of the first flashboard and the second flashboard, second valve rod bottom is provided with flange, being provided with blind hole in 3rd flashboard top and arrange the circular trough inner with blind hole, the diameter of circular trough is more than blind hole diameter so that flange is embedded in the circular trough of the 3rd flashboard.
Sealing respectively through the first sealing ring and the second sealing ring between the first described flashboard and the second flashboard and the inwall of valve body, the first sealing ring and the second sealing ring are O-ring seal.
The two ends of the 3rd described flashboard respectively and are sealed by the 3rd sealing ring and the 4th sealing ring between the first flashboard, the second flashboard, 3rd sealing ring and the 4th sealing ring are the square seal ring identical with rectangular reservoir shape size, and the middle part of sealing ring is provided with the groove coincideing with the first flashboard and the second flashboard sector groove.
The first described flashboard and uniform four bolts hole of the periphery of the second flashboard, by bolt compact siro spinning technology between the first flashboard and the second flashboard so that the connecting end surface between the first flashboard and the second flashboard is formed and seals.
The invention have the advantages that:
The present invention, except the basic function with gate valve, also add the function that flow is finely tuned, and improves the function adaptability of gate valve, for needing the pipeline that flow accurately regulates to have fabulous effect.And according to flow value demand, the fluid flow flowing through valve can be carried out trace adjustment.
The present invention can meet the demand in the field such as oil and chemical industry.
Accompanying drawing explanation
Fig. 1 is the structural representation of gate valve of the present invention.
Fig. 2 is the present invention the first flashboard (the second flashboard) structural representation.
Fig. 3 is the present invention the first stem structure schematic diagram.
Fig. 4 is the present invention the 3rd sealing ring (the 4th sealing ring) structural representation.
In figure: 1, the first driving handle, the 2, first valve rod, 3, valve gap, 4, valve body, 5, the first sealing ring, the 6, first flashboard, the 7, the 3rd sealing ring, 8, the 4th sealing ring, 9, the 3rd flashboard the 10, second flashboard, the 11, second sealing ring, the 12, second valve rod, 13, the second driving handle, 14, cavity.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
As it is shown in figure 1, the present invention includes valve body 4, valve gap 3, first adjusts assembly and second and adjusts assembly；Valve gap 3 is connected to valve body 4 top, the the first adjustment assembly and second regulating uninterrupted is installed in valve body 4 and adjusts assembly, first adjusts assembly is set in valve gap 3 and the middle part of valve body 4, second adjusts assembly is set in the first adjustment assembly, it is provided with sealing ring between first adjustment assembly and valve body 4, first adjustment assembly and second adjusts and is provided with sealing ring between assembly, adjusts assembly by first and the second moving up and down of adjustment assembly adjusts the valve port size at valve body 4 inner chamber.
As shown in Figure 1, first adjusts assembly includes the first driving handle 1, first valve rod 2, first flashboard 6 and the second flashboard 10, it is internal that first flashboard 6 and the second flashboard 10 are relatively arranged on valve body 4, seal between first flashboard 6 and the second flashboard 10 connecting end surface, first valve rod 2 top is fixing with the first driving handle 1 to be connected, it is enclosed within valve gap 3 by threaded engagement in the middle part of first driving handle 1, first driving handle 1 lower end is provided with flange, flange is embedded between the first flashboard 6 and the second flashboard 10, after rotating the first driving handle 1, the first valve rod 2 oscilaltion drives the first flashboard 6 and the second flashboard 10 to lift, valve body 4 intracavity bottom center is provided with the cavity 14 for the first flashboard 6 and the second flashboard 10 decline activity；
Described second adjusts assembly and includes the second driving handle the 13, second valve rod 12 and the 3rd flashboard 9, second valve rod 12 is arranged in the centre bore of the first valve rod 2 by threaded engagement, second valve rod 12 top is fixing with the second driving handle 13 after passing the first valve rod 2 to be connected, second valve rod 12 bottom is connected with the 3rd flashboard 9, and the 3rd flashboard 9 is located between the first flashboard 6 and the second flashboard 10.
The semi-circular recesses of the first flashboard 6 and the second flashboard 10 is easy to the installation of the first valve rod 2 so that being formed between the first valve rod 2 and first flashboard the 6, second flashboard 10 and be synchronized with the movement up and down, the 3rd flashboard can do vertical up-or-down movement under the effect of the second valve rod.
The structure of the first flashboard 6 and the second flashboard 10 is symmetrical, the adjacent upper part of the first flashboard 6 and the second flashboard 10 connecting end surface all has horizontal semi-circular groove, first driving handle 1 flange is embedded in the circular groove of the first flashboard 6 and the formation of the second flashboard 10 horizontal semi-circular groove, the first flashboard 6 and the second flashboard 10 connecting end surface bottom below horizontal semi-circular groove are all provided with rectangular channel, having fan-shaped groove in rectangular channel, the communication direction of fan-shaped groove is identical with the fluid circulating direction in valve body 4.The fan angle being embodied as middle fan-shaped groove is 20 degree.
3rd flashboard 9 is arranged between the first flashboard 6 and the rectangular channel of the second flashboard 10,3rd flashboard 9 is the plate structure of monoblock, second valve rod 12 bottom is provided with flange, it is provided with blind hole in 3rd flashboard 9 top and the circular trough inner with blind hole is set, the diameter of circular trough is more than blind hole diameter so that flange is embedded in the circular trough of the 3rd flashboard 9.
The circular trough of the 3rd flashboard 9 is easy to the installation of the second valve rod 12 so that is formed between the second valve rod 12 and the 3rd flashboard 9 and is synchronized with the movement up and down.
Seal respectively through the first sealing ring 5 and the second sealing ring 11 between first flashboard 6 and the second flashboard 10 and the inwall of valve body 4, the first sealing ring 5 it is provided with between first flashboard 6 and the inwall of valve body 4, being provided with the second sealing ring 11 between second flashboard 10 and the inwall of valve body 4, the first sealing ring 5 and the second sealing ring 11 are O-ring seal.
The two ends of the 3rd flashboard 9 respectively and are sealed by the 3rd sealing ring 7 and the 4th sealing ring 8 between first flashboard the 6, second flashboard 10, it is provided with the 3rd sealing ring 7 between 3rd flashboard 9 and the first flashboard 6, it is provided with the 4th sealing ring 8 between 3rd flashboard 9 and the second flashboard 10,3rd sealing ring 7 is the square seal ring identical with rectangular reservoir shape size with the 4th sealing ring 8, and the middle part of sealing ring is provided with the groove coincideing with the fan-shaped groove of the first flashboard 6 and the second flashboard 10.
Uniform four bolts hole of periphery of the first flashboard 6 and the second flashboard 10, by bolt compact siro spinning technology between the first flashboard 6 and the second flashboard 10 so that the connecting end surface between the first flashboard 6 and the second flashboard 10 is formed and seals.
Outside wall surface and the internal face of the first valve rod 2 are provided with screw thread, the outside wall surface of the second valve rod 2 is screw thread, the internal face of valve gap 3 top through hole is provided with screw thread, the screw-internal thread fit of the external screw thread of the first valve rod 2 and valve gap 3 through hole, and the female thread of the first valve rod 2 and the external screw thread of the second valve rod 2 coordinate.
Work process and the principle of the present invention be:
The present invention has the basic function of gate valve, specifically under the effect of the first driving handle, first flashboard and the second flashboard do and move both vertically up and down, control the size of fluid passage section, additionally add flow micro-adjusting device, this micromatic setting is located between the first flashboard and the second flashboard, and the 3rd flashboard can do under the driving of the second valve rod and move both vertically up and down, thus controlling fluid flow through the first valve plate and the size in the second valve plate cross section.Thus can carry out trace adjustment according to fluid flow.
When gate valve upstream is full of fluid, first driving handle is rotated up, first flashboard and the second flashboard do upward vertical movement under the effect of the first valve rod, now valve is opened, fluid flows through the first flashboard and the second flashboard arrives gate valve downstream, when flow value now and required flow value are less, and during lower than necessary flow value, second driving handle is slowly rotated up, second valve rod drives the 3rd flashboard to do upward vertical movement simultaneously, now segment fluid flow flows through the taper horizontal through hole of the first flashboard and the second flashboard, thus reaching the purpose of fine setting flow.When only rotating the second driving handle, the equally possible adjustment realizing low discharge.
It is contemplated that eliminate, gate valve changes in flow rate scope is big, regulate coarse drawback, improves the suitability of gate valve；The trace realizing flow by increasing micromatic setting regulates, and has invented novel flow rate fine-tuning gate valve.The present invention can adapt to need the occasion to precise control of flew in multiple, has prominent significant social benefit and technique effect.
Claims (7)
1. a Novel flow rate fine setting gate valve, including valve body (4), it is characterised in that: include valve gap (3), the first adjustment assembly and second adjusts assembly；Valve gap (3) is connected to valve body (4) top, the the first adjustment assembly and second regulating uninterrupted is installed in valve body (4) and adjusts assembly, first adjusts assembly is set in valve gap (3) and the middle part of valve body (4), second adjusts assembly is set in the first adjustment assembly, it is provided with sealing ring between first adjustment assembly and valve body (4), first adjustment assembly and second adjusts and is provided with sealing ring between assembly, adjusts assembly by first and the second moving up and down of adjustment assembly adjusts the valve port size at valve body (4) inner chamber.
null2. a kind of Novel flow rate fine setting gate valve according to claim 1，It is characterized in that: described first adjusts assembly and include the first driving handle (1)、First valve rod (2)、First flashboard (6) and the second flashboard (10)，It is internal that first flashboard (6) and the second flashboard (10) are relatively arranged on valve body (4)，Seal between first flashboard (6) and the second flashboard (10) connecting end surface，First valve rod (2) top is fixing with the first driving handle (1) to be connected，First driving handle (1) middle part is enclosed within valve gap (3) by threaded engagement，First driving handle (1) lower end is provided with flange，Flange is embedded between the first flashboard (6) and the second flashboard (10)，Rotate the first driving handle (1) the first valve rod (2) oscilaltion afterwards and drive the first flashboard (6) and the second flashboard (10) lifting，Valve body (4) intracavity bottom center is provided with the cavity (14) for the first flashboard (6) and the second flashboard (10) decline activity；
Described second adjusts assembly and includes the second driving handle (13), the second valve rod (12) and the 3rd flashboard (9), second valve rod (12) is arranged in the centre bore of the first valve rod (2) by threaded engagement, second valve rod (12) top passes that the first valve rod (2) is fixing with the second driving handle (13) afterwards to be connected, second valve rod (12) bottom is connected with the 3rd flashboard (9), and the 3rd flashboard (9) is located between the first flashboard (6) and the second flashboard (10).
3. a kind of Novel flow rate fine setting gate valve according to claim 2, it is characterized in that: described the first flashboard (6) and the structure of the second flashboard (10) are symmetrical, the adjacent upper part of the first flashboard (6) and the second flashboard (10) connecting end surface all has horizontal semi-circular groove, first driving handle (1) flange is embedded in the circular groove of the first flashboard (6) and the formation of the second flashboard (10) horizontal semi-circular groove, the first flashboard (6) and the second flashboard (10) connecting end surface bottom below horizontal semi-circular groove are all provided with rectangular channel, rectangular channel has fan-shaped groove, the communication direction of fan-shaped groove is identical with the fluid circulating direction in valve body (4).
4. a kind of Novel flow rate fine setting gate valve according to claim 2, it is characterized in that: the 3rd described flashboard (9) is arranged between the rectangular channel of the first flashboard (6) and the second flashboard (10), second valve rod (12) bottom is provided with flange, it is provided with blind hole in 3rd flashboard (9) top and the circular trough inner with blind hole is set, the diameter of circular trough is more than blind hole diameter so that flange is embedded in the circular trough of the 3rd flashboard (9).
5. a kind of Novel flow rate fine setting gate valve according to claim 2, it is characterized in that: sealing respectively through the first sealing ring (5) and the second sealing ring (11) between described the first flashboard (6) and the inwall of the second flashboard (10) and valve body (4), the first sealing ring (5) and the second sealing ring (11) are O-ring seal.
6. a kind of Novel flow rate fine setting gate valve according to claim 2, it is characterized in that: the two ends of the 3rd described flashboard (9) respectively and are sealed by the 3rd sealing ring (7) and the 4th sealing ring (8) between the first flashboard (6), the second flashboard (10), 3rd sealing ring (7) is the square seal ring identical with rectangular reservoir shape size with the 4th sealing ring (8), and the middle part of sealing ring is provided with the groove coincideing with the fan-shaped groove of the first flashboard (6) and the second flashboard (10).
7. a kind of Novel flow rate fine setting gate valve according to claim 2, it is characterized in that: described the first flashboard (6) and uniform four bolts hole of the periphery of the second flashboard (10), by bolt compact siro spinning technology between first flashboard (6) and the second flashboard (10) so that the connecting end surface between the first flashboard (6) and the second flashboard (10) is formed and seals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610307302.2A CN105757271B (en) | 2016-05-10 | 2016-05-10 | A kind of novel flow rate finely tunes gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610307302.2A CN105757271B (en) | 2016-05-10 | 2016-05-10 | A kind of novel flow rate finely tunes gate valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105757271A true CN105757271A (en) | 2016-07-13 |
| CN105757271B CN105757271B (en) | 2018-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610307302.2A Active CN105757271B (en) | 2016-05-10 | 2016-05-10 | A kind of novel flow rate finely tunes gate valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN105757271B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514910A (en) * | 2017-08-16 | 2017-12-26 | 阿尔赛(苏州)无机材料有限公司 | The accurate adjustable sintering furnace exhaust screen mechanism of aperture |
| CN108679254A (en) * | 2018-06-04 | 2018-10-19 | 江苏天域阀业制造有限公司 | A kind of valve of achievable flow rate fine-tuning |
| CN108916444A (en) * | 2018-07-23 | 2018-11-30 | 赛莱默水处理系统（沈阳）有限公司 | Applied to gate anti-leak and flow regulator |
| CN109185483A (en) * | 2018-10-02 | 2019-01-11 | 盐城欧润石化设备制造有限公司 | A kind of combined valve |
| CN110530436A (en) * | 2018-05-23 | 2019-12-03 | 中国石油天然气股份有限公司 | Differential pressure type metering device, flow metering method, device and storage medium |
| CN110792792A (en) * | 2019-11-18 | 2020-02-14 | 晟福（天津）流体自动控制设备有限公司 | Valve with double sealing effect |
| CN110822138A (en) * | 2019-11-15 | 2020-02-21 | 中国化学工程第六建设有限公司 | Water supply and drainage system and construction method |
| CN113623457A (en) * | 2020-05-09 | 2021-11-09 | 中国石油天然气集团有限公司 | Throttle valve |
| CN113803482A (en) * | 2021-09-16 | 2021-12-17 | 浙江胜得龙阀门有限公司 | High-precision gate valve capable of being finely adjusted |
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| US1134811A (en) * | 1914-05-09 | 1915-04-06 | Homer S Berger | Gate-valve. |
| US2326988A (en) * | 1941-12-24 | 1943-08-17 | Smith Co Howard | Gate valve |
| US4405113A (en) * | 1981-05-11 | 1983-09-20 | Josiephine Reed Erwin | Reciprocating expandable gate valve |
| CN2466445Y (en) * | 2000-10-11 | 2001-12-19 | 陈联芝 | Double valve-rod easy-to-open high-pressure gate valve |
| CN2709727Y (en) * | 2004-04-30 | 2005-07-13 | 孙兴聚 | Double-sealing blind rod sluice valve |
| RU2338108C1 (en) * | 2007-03-12 | 2008-11-10 | Общество с ограниченной ответственностью "НефтемашСистема" | Gate valve |
| CN104500767A (en) * | 2014-12-10 | 2015-04-08 | 江苏国泉泵业制造有限公司 | Novel flow regulating brake valve |
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2016
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1134811A (en) * | 1914-05-09 | 1915-04-06 | Homer S Berger | Gate-valve. |
| US2326988A (en) * | 1941-12-24 | 1943-08-17 | Smith Co Howard | Gate valve |
| US4405113A (en) * | 1981-05-11 | 1983-09-20 | Josiephine Reed Erwin | Reciprocating expandable gate valve |
| CN2466445Y (en) * | 2000-10-11 | 2001-12-19 | 陈联芝 | Double valve-rod easy-to-open high-pressure gate valve |
| CN2709727Y (en) * | 2004-04-30 | 2005-07-13 | 孙兴聚 | Double-sealing blind rod sluice valve |
| RU2338108C1 (en) * | 2007-03-12 | 2008-11-10 | Общество с ограниченной ответственностью "НефтемашСистема" | Gate valve |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514910A (en) * | 2017-08-16 | 2017-12-26 | 阿尔赛(苏州)无机材料有限公司 | The accurate adjustable sintering furnace exhaust screen mechanism of aperture |
| CN110530436A (en) * | 2018-05-23 | 2019-12-03 | 中国石油天然气股份有限公司 | Differential pressure type metering device, flow metering method, device and storage medium |
| CN108679254A (en) * | 2018-06-04 | 2018-10-19 | 江苏天域阀业制造有限公司 | A kind of valve of achievable flow rate fine-tuning |
| CN108916444A (en) * | 2018-07-23 | 2018-11-30 | 赛莱默水处理系统（沈阳）有限公司 | Applied to gate anti-leak and flow regulator |
| CN108916444B (en) * | 2018-07-23 | 2024-01-12 | 赛莱默欧洲有限公司 | Leakage-proof and flow regulating device for gate |
| CN109185483A (en) * | 2018-10-02 | 2019-01-11 | 盐城欧润石化设备制造有限公司 | A kind of combined valve |
| CN110822138A (en) * | 2019-11-15 | 2020-02-21 | 中国化学工程第六建设有限公司 | Water supply and drainage system and construction method |
| CN110792792A (en) * | 2019-11-18 | 2020-02-14 | 晟福（天津）流体自动控制设备有限公司 | Valve with double sealing effect |
| CN113623457A (en) * | 2020-05-09 | 2021-11-09 | 中国石油天然气集团有限公司 | Throttle valve |
| CN113803482A (en) * | 2021-09-16 | 2021-12-17 | 浙江胜得龙阀门有限公司 | High-precision gate valve capable of being finely adjusted |
| CN113803482B (en) * | 2021-09-16 | 2024-03-26 | 浙江胜得龙阀门有限公司 | High-precision gate valve capable of being finely adjusted |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105757271B (en) | 2018-07-06 |
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Application publication date: 20160713 Assignee: ZHEJIANG GUTE PNEUMATIC MACHINERY Co.,Ltd. Assignor: ZHEJIANG SCI-TECH University Contract record no.: X2020330000021 Denomination of invention: Novel flow fine-adjustment gate valve Granted publication date: 20180706 License type: Common License Record date: 20200423 |