CN109695748B - Duplex valve device - Google Patents

Duplex valve device Download PDF

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Publication number
CN109695748B
CN109695748B CN201810809133.1A CN201810809133A CN109695748B CN 109695748 B CN109695748 B CN 109695748B CN 201810809133 A CN201810809133 A CN 201810809133A CN 109695748 B CN109695748 B CN 109695748B
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China
Prior art keywords
incomplete gear
valve
ball valve
cavity
inlet
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Application number
CN201810809133.1A
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Chinese (zh)
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CN109695748A (en
Inventor
杭建春
胡晓辉
王育锋
石晓雕
戴旭阳
郑建武
张毅
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SHAANXI HUIFENGYUE PETROLEUM TECHNOLOGY DEVELOPMENT Co.,Ltd.
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Shaanxi Huifengyue Petroleum Technology Development Co ltd
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Priority to CN201810809133.1A priority Critical patent/CN109695748B/en
Publication of CN109695748A publication Critical patent/CN109695748A/en
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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
    • F16K13/00—Other constructional types of cut-off apparatus; Arrangements for cutting-off
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
    • F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/53—Mechanical actuating means with toothed gearing
    • F16K31/535—Mechanical actuating means with toothed gearing for rotating valves

Abstract

The invention provides a duplex valve device, and relates to the technical field of valves. The double-valve device comprises a first ball valve, a second ball valve, a Venturi tube, a transmission assembly and a driving assembly. The first ball valve has a first inlet, a first outlet and a first valve stem; the second ball valve is provided with a second inlet, a second outlet and a second valve rod; the venturi tube is provided with an inlet section and a diffusion section, the inlet section is communicated with the first outlet, and the diffusion section is communicated with the second inlet; the transmission assembly comprises a first incomplete gear, a second incomplete gear and a third incomplete gear, the first incomplete gear and the second incomplete gear are matched with two sides of the third incomplete gear, the first incomplete gear is connected with the first valve rod, the second incomplete gear is connected with the second valve rod, and when the third incomplete gear rotates, the third incomplete gear is only meshed with one of the first incomplete gear and the second incomplete gear at the same moment; the driving assembly is connected with the third incomplete gear and can drive the third incomplete gear to rotate.

Description

Duplex valve device
Technical Field
The invention relates to the technical field of valves, in particular to a duplex valve device.
Background
At present, in the gas station of natural gas exploitation, sewage system includes the blowdown pipeline usually, is equipped with electronic ball valve on the blowdown pipeline, when normal production, through the degree of opening and shutting of electronic ball valve control blowdown pipeline. Because the liquid that the gas gathering station was handled is direct to come from the gas well, and the gas well has the erosion effect to the electric ball valve in the production process fracturing sand residue for electric ball valve often takes place interior hourglass phenomenon, makes its life-span reduce, influences the normal blowdown function of gas station, and need often change electric ball valve.
Disclosure of Invention
In view of this, the present invention provides a dual valve device, which can prolong the service life and reduce the cost.
The invention solves the problems through the following technical means:
a double valve apparatus comprising:
a first ball valve having a first inlet and a first outlet, the first ball valve having a first valve stem;
a second ball valve having a second inlet and a second outlet, the second ball valve having a second valve stem;
a venturi tube having an inlet section in communication with the first outlet and a diffuser section in communication with the second inlet;
a transmission assembly including a first incomplete gear, a second incomplete gear and a third incomplete gear, wherein the first incomplete gear and the second incomplete gear are matched on two sides of the third incomplete gear, the first incomplete gear is connected with the first valve rod, the second incomplete gear is connected with the second valve rod, and when the third incomplete gear rotates, the third incomplete gear is meshed with only one of the first incomplete gear and the second incomplete gear at the same time;
and the driving assembly is connected with the third incomplete gear and can drive the third incomplete gear to rotate.
Furthermore, the driving assembly comprises a connecting shaft and an electric actuating mechanism, one end of the connecting shaft is connected with the third incomplete gear, the other end of the connecting shaft is connected with the electric actuating mechanism, and the electric actuating mechanism is used for driving the connecting shaft to rotate.
Further, the double valve device further comprises:
and the handle is connected with the connecting shaft and is used for driving the connecting shaft to rotate.
Further, the first ball valve is a hard seal ball valve, and the second ball valve is a soft seal ball valve.
Furthermore, the duplex valve device further comprises a housing, the first ball valve, the second ball valve and the venturi tube are located in the housing, and openings are formed in positions of the housing corresponding to the first inlet and the second outlet.
Further, the transmission assembly further comprises a box body, a first cavity, a second cavity and a third cavity which are sequentially communicated are arranged in the box body, the first incomplete gear is arranged in the first cavity, the second incomplete gear is arranged in the second cavity, and the third incomplete gear is arranged in the third cavity. The inner wall of the first cavity is provided with a first limiting part for limiting the rotation range of the first incomplete gear, the inner wall of the second cavity is provided with a second limiting part for limiting the rotation range of the second incomplete gear, the inner wall of the third cavity is provided with a third limiting part, and the third limiting part is matched with an area where the third incomplete gear is not provided with gear teeth.
When the duplex valve device is used, sewage can enter the first inlet of the first ball valve and can flow out of the second outlet of the second ball valve. In the process, sewage can be subjected to double regulation through the first ball valve and the second ball valve, and double sealing can be realized. Simultaneously, according to venturi's nature, sewage forms a "vacuum" district in venturi's diffuser section's the outside, prevents that impurity from getting into the second ball valve to can guarantee sealing performance under abominable operating mode, increase of service life avoids frequently changing the valve, is favorable to the cost at the bottom of the spare.
When the ball valve is used, the driving assembly can drive the third incomplete gear to rotate to drive the first incomplete gear and the second incomplete gear to rotate alternately, so that the second ball valve can be opened firstly, then the first ball valve is opened, and the opening degree of the first ball valve can be adjusted; when closing, the first ball valve may be closed first, and then the second ball valve may be closed.
Drawings
The invention is further described below with reference to the figures and examples.
Fig. 1 is a schematic diagram of a two-way valve arrangement according to an embodiment of the present invention.
Fig. 2 is a schematic view of a venturi in a double valve apparatus according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a drive assembly of a two-way valve arrangement according to an embodiment of the present invention.
In the figure: 1. a first ball valve; 101. a first valve stem; 102. a first valve seat; 103. a first sphere; 2. a second ball valve; 201. a second valve stem; 202. a second valve seat; 203. a second sphere; 3. a venturi tube; 31. an inlet section; 32. a diffuser section; 4. a first incomplete gear; 5. a second incomplete gear; 6. a third incomplete gear; 7. a box body; 71. a first cavity; 711. a first limiting part; 72. a second cavity; 721. a second limiting part; 73. a third cavity; 731. a third limiting part; 8. a connecting shaft; 9. a housing; 10. a handle; 11. an electric motor.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The present invention will be described in detail below with reference to the accompanying drawings, in which the double-valve apparatus of the present invention can be used. As shown in fig. 1 to 3, a two-way valve device according to an embodiment of the present invention includes a first ball valve 1, a second ball valve 2, a venturi tube 3, a transmission assembly, and a driving assembly, wherein:
the first ball valve 1 has a first inlet and a first outlet, and said first ball valve 1 has a first valve stem 101.
The second ball valve 2 has a second inlet and a second outlet, and said second ball valve 2 has a second valve stem 201.
The venturi tube 3 has an inlet section 31 and a diffuser section 32, said inlet section 31 communicating with said first outlet and said diffuser section 32 communicating with said second inlet.
The transmission assembly comprises a first incomplete gear 4, a second incomplete gear 5 and a third incomplete gear 6, wherein the first incomplete gear 4 and the second incomplete gear 5 are matched on two sides of the third incomplete gear 6, the first incomplete gear 4 is connected with the first valve rod 101, the second incomplete gear 5 is connected with the second valve rod 201, and the third incomplete gear 6 can be alternatively meshed with the first incomplete gear 4 and the second incomplete gear 5 when rotating.
The driving component is connected with the third incomplete gear 6 and can drive the third incomplete gear 6 to rotate.
When the duplex valve device is used, the third incomplete gear 6 can be driven to rotate by the driving component to drive the first incomplete gear 4 and the second incomplete gear 5 to rotate alternately, so that the second ball valve 2 can be opened firstly, then the first ball valve 1 can be opened, and the opening degree of the first ball valve 1 can be adjusted; when closing, the first ball valve 1 can be closed first, and then the second ball valve 2 can be closed. Sewage may enter the first inlet of the first ball valve 1 and may exit the second outlet of the second ball valve 2. In the process, sewage can be subjected to double regulation through the first ball valve 1 and the second ball valve 2, and double sealing can be realized. Simultaneously, according to venturi 3's nature, sewage forms a "vacuum" district in venturi 3's diffuser section 32's the outside, prevents that impurity from getting into second ball valve 2 to can guarantee sealing performance under abominable operating mode, increase of service life avoids frequently changing the valve, is favorable to the cost at the bottom of the spare.
The following is a detailed description of the various parts of the double valve arrangement of the present invention:
the first ball valve 1 may include a first valve stem 101 for adjusting an opening degree, and further include a first valve seat 102 and a first ball 103. The first valve seat 102 has a first inlet and a first outlet, and the first ball 103 is disposed in the first valve seat 102, has a first passage, and is rotatable in the first valve seat 102. One end of the first valve rod 101 penetrates through the first valve seat 102 and is connected with the first ball 103, the other end of the first valve rod is located outside the first valve seat 102, and the first ball 103 can be rotated by rotating the first valve rod 101, so as to adjust the opening degree of the first ball valve 1. The first ball valve 1 is a hard seal ball valve.
The second ball valve 2 may include a second valve stem 201 for adjusting the opening degree, and further include a second valve seat 202 and a second ball 203. The second valve seat 202 has a second inlet and a second outlet, and the second ball 203 is disposed in the second valve seat 202, has a second channel, and is rotatable in the second valve seat 202. One end of the second valve rod 201 penetrates through the second valve seat 202 and is connected with the second ball 203, and the other end of the second valve rod is positioned outside the second valve seat 202, so that the second ball 203 can be rotated by rotating the second valve rod 201 to adjust the opening degree of the second ball valve 2. The second ball valve 2 is a soft seal ball valve.
The venturi tube 3 may have an inlet section 31 and a diverging section 32, said inlet section 31 communicating with said first outlet and said diverging section 32 communicating with said second inlet, thereby communicating the first ball valve 1 with the second ball valve 2.
The transmission assembly may include a first incomplete gear 4, a second incomplete gear 5 and a third incomplete gear 6, the first incomplete gear 4 and the second incomplete gear 5 are fitted to both sides of the third incomplete gear 6, and the first incomplete gear 4 is connected with the first valve stem 101, the second incomplete gear 5 is connected with the second valve stem 201, and the third incomplete gear 6 can be alternately engaged with the first incomplete gear 4 and the second incomplete gear 5 when rotated.
As shown in fig. 3, the transmission assembly may further include a case 7, a first cavity 71, a second cavity 72, and a third cavity 73 that are sequentially communicated are disposed in the case 7, the first incomplete gear 4 is disposed in the first cavity 71, the second incomplete gear 5 is disposed in the second cavity 72, and the third incomplete gear 6 is disposed in the third cavity 73. The inner wall of the first cavity 71 is provided with a first limit part 711 for limiting the rotation range of the first incomplete gear 4, the inner wall of the second cavity 72 is provided with a second limit part 721 for limiting the rotation range of the second incomplete gear 5, the inner wall of the third cavity 73 is provided with a third limit part 731, the third limit part 731 is matched with an area where no gear teeth are arranged on the third incomplete gear 6, the third limit part 731 is smaller than the area where no gear teeth are arranged, when the third incomplete gear 6 rotates until the gear teeth of the third incomplete gear contact with the third limit part 731, the third incomplete gear 6 is blocked, and at the moment, the third incomplete gear 6 can only rotate reversely. The first and second stopper portions 711 and 721 may be symmetrically disposed about the third stopper portion 731. When the first incomplete gear 4, the second incomplete gear 5 and the third incomplete gear 6 are in the states shown in fig. 3, the first ball valve 1 and the second ball valve 2 are in the closed state.
The driving assembly may include a connecting shaft 8 and an electric actuator, one end of the connecting shaft 8 is connected to the third incomplete gear 6, and the other end is connected to the electric actuator. The electric actuator is used for driving the connecting shaft to rotate, and may include a motor 11, a controller and a transmission mechanism as long as the connecting shaft 8 can be driven to rotate.
The drive assembly may further comprise a handle 10 which is connectable to the connecting shaft 8 for manually driving the connecting shaft 8 in rotation.
The double valve device of the invention may further comprise a housing 9, wherein the first ball valve 1, the second ball valve 2 and the venturi tube 3 are positioned in the housing 9, and the housing 9 is provided with openings corresponding to the first inlet and the second outlet, so that sewage can flow in or out.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims (6)

1. A dual valve apparatus, comprising:
a first ball valve having a first inlet and a first outlet, the first ball valve having a first valve stem;
a second ball valve having a second inlet and a second outlet, the second ball valve having a second valve stem;
a venturi tube having an inlet section in communication with the first outlet and a diffuser section in communication with the second inlet;
a transmission assembly including a first incomplete gear, a second incomplete gear and a third incomplete gear, wherein the first incomplete gear and the second incomplete gear are matched on two sides of the third incomplete gear, the first incomplete gear is connected with the first valve rod, the second incomplete gear is connected with the second valve rod, and when the third incomplete gear rotates, the third incomplete gear is meshed with only one of the first incomplete gear and the second incomplete gear at the same time;
and the driving assembly is connected with the third incomplete gear and can drive the third incomplete gear to rotate.
2. A dual valve arrangement according to claim 1, wherein the driving assembly includes a connecting shaft and an electric actuator, one end of the connecting shaft is connected to the third incomplete gear, and the other end is connected to the electric actuator, and the electric actuator is configured to drive the connecting shaft to rotate.
3. A dual-valve arrangement according to claim 2, further comprising:
and the handle is connected with the connecting shaft and is used for driving the connecting shaft to rotate.
4. A two-way valve assembly according to claim 1, wherein said first ball valve is a hard seal ball valve and said second ball valve is a soft seal ball valve.
5. The dual-valve apparatus of claim 1, further comprising a housing, wherein the first ball valve, the second ball valve, and the venturi are located within the housing, and wherein the housing is provided with openings corresponding to the first inlet and the second outlet.
6. A dual valve apparatus as claimed in claim 1, wherein the transmission assembly further includes a housing, the housing having a first cavity, a second cavity and a third cavity, the first incomplete gear being disposed in the first cavity, the second incomplete gear being disposed in the second cavity, and the third incomplete gear being disposed in the third cavity;
the inner wall of the first cavity is provided with a first limiting part for limiting the rotation range of the first incomplete gear, the inner wall of the second cavity is provided with a second limiting part for limiting the rotation range of the second incomplete gear, the inner wall of the third cavity is provided with a third limiting part, and the third limiting part is matched with an area where the third incomplete gear is not provided with gear teeth.
CN201810809133.1A 2018-07-23 2018-07-23 Duplex valve device Active CN109695748B (en)

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Application Number Priority Date Filing Date Title
CN201810809133.1A CN109695748B (en) 2018-07-23 2018-07-23 Duplex valve device

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Application Number Priority Date Filing Date Title
CN201810809133.1A CN109695748B (en) 2018-07-23 2018-07-23 Duplex valve device

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CN109695748A CN109695748A (en) 2019-04-30
CN109695748B true CN109695748B (en) 2020-06-12

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110553064A (en) * 2019-09-12 2019-12-10 安徽信息工程学院 Mechanical temperature control valve device
CN111946839B (en) * 2020-08-13 2023-03-10 浙江力诺流体控制科技股份有限公司 Double-linkage butterfly valve for isolating high-temperature flue
CN114215930A (en) * 2021-12-20 2022-03-22 海南核电有限公司 Pipeline valve
CN117515174B (en) * 2023-12-29 2024-03-26 山东金光集团有限公司 Special airtight combination blast gate of subway

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202248067U (en) * 2011-09-15 2012-05-30 南京理工大学 Flexible intelligent control device for flow rate ratio for pressure-superposed frequency conversion pressurizing water supply tank and pipe network
CN203642969U (en) * 2013-11-06 2014-06-11 江阴市节流装置厂有限公司 Venturi tube
CN204628715U (en) * 2015-03-10 2015-09-09 丽水科艺阀门有限公司 Integrated type duplex fills fixing ball valve
CN205859203U (en) * 2016-06-28 2017-01-04 中国石油天然气股份有限公司 A kind of duplex multifunctional blowoff equipment
CN207584074U (en) * 2017-12-04 2018-07-06 宁波埃美柯铜阀门有限公司 Venturi ball valve

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Effective date of registration: 20211209

Address after: 710000 5th floor, plant 103, Xirui Industrial Park, No. 569, Jincheng Third Road, economic and Technological Development Zone, Xi'an, Shaanxi Province

Patentee after: XI'AN ANCN SMART INSTRUMENT Inc.

Address before: 710119 room 60603, unit 6, building 1, pastoral apartment in the new industrial park, high tech Zone, Xi'an, Shaanxi Province

Patentee before: SHAANXI HUIFENGYUE PETROLEUM TECHNOLOGY DEVELOPMENT Co.,Ltd.

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Effective date of registration: 20220310

Address after: 710000 No. 12, 16th floor, building 2, Xuhui ronghua International Business Project Center, Xi'an Economic and Technological Development Zone, Shaanxi Province

Patentee after: SHAANXI HUIFENGYUE PETROLEUM TECHNOLOGY DEVELOPMENT Co.,Ltd.

Address before: 710000 5th floor, plant 103, Xirui Industrial Park, No. 569, Jincheng Third Road, economic and Technological Development Zone, Xi'an, Shaanxi Province

Patentee before: XI'AN ANCN SMART INSTRUMENT Inc.

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A double valve device

Effective date of registration: 20220907

Granted publication date: 20200612

Pledgee: Xi'an investment and financing Company limited by guarantee

Pledgor: SHAANXI HUIFENGYUE PETROLEUM TECHNOLOGY DEVELOPMENT Co.,Ltd.

Registration number: Y2022610000575