CN107859754A - Plug valve - Google Patents
Plug valve Download PDFInfo
- Publication number
- CN107859754A CN107859754A CN201711330554.8A CN201711330554A CN107859754A CN 107859754 A CN107859754 A CN 107859754A CN 201711330554 A CN201711330554 A CN 201711330554A CN 107859754 A CN107859754 A CN 107859754A
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- China
- Prior art keywords
- valve body
- channel
- cock
- sealing
- sealing arc
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/04—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/18—Special arrangements for separating the sealing faces or for pressing them together for plugs with cylindrical surfaces
- F16K5/181—Special arrangements for separating the sealing faces or for pressing them together for plugs with cylindrical surfaces with the housing or parts of the housing mechanically pressing the seals against the plugs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
本发明公开了一种旋塞阀，包括：阀体和设置在阀体内的旋塞，所述旋塞的上端与阀杆相连接，所述阀杆的上端伸出阀体与手轮相连接，所述旋塞的下端通过销轴与底盖转动连接，所述底盖与阀体的下端螺纹连接，在所述阀体与旋塞之间设置有密封弧片，在所述密封弧片的外侧设置有第一锥面，在所述阀体内设置有与第一锥面相互配合的第二锥面，所述密封弧片的下端通过转动环转动设置在底盖上，在所述阀体内设置有进口通道和出口通道，在所述密封弧片靠近进口通道的一侧设置有与进口通道相互连通的进口连接通道，在所述密封弧片靠近出口通道的一侧设置有与出口通道相互连通的出口连接通道。
The invention discloses a cock valve, comprising: a valve body and a cock arranged in the valve body, the upper end of the cock is connected with a valve stem, and the upper end of the valve stem protrudes from the valve body and is connected with a handwheel. The lower end of the cock is rotatably connected to the bottom cover through a pin shaft, and the bottom cover is screwed to the lower end of the valve body. A sealing arc is arranged between the valve body and the cock, and a second sealing arc is arranged outside the sealing arc. A conical surface, a second conical surface cooperating with the first conical surface is provided in the valve body, the lower end of the sealing arc is rotated on the bottom cover through a rotating ring, and an inlet channel is provided in the valve body and an outlet channel, an inlet connecting channel communicating with the inlet channel is provided on the side of the sealing arc near the inlet channel, and an outlet connecting channel communicating with the outlet channel is provided on the side of the sealing arc near the outlet channel aisle.
Description
技术领域technical field
本发明涉及一种石油机械，尤其涉及一种旋塞阀。The invention relates to a petroleum machinery, in particular to a plug valve.
背景技术Background technique
在石油开采作业中，旋塞阀被广泛应用于管线的控制。目前使用的旋塞阀内的密封弧片普遍采用直面结构，其密封性能较差，一旦出现泄漏无法进行密封补偿，只能整体更换，使用寿命短，更换时间长、成本高，在油气生产过程中，给操作人们带来了不便，降低了生产效率。In oil extraction operations, plug valves are widely used in pipeline control. The sealing arcs in the currently used plug valves generally adopt a straight-face structure, and their sealing performance is poor. Once a leak occurs, the sealing arc cannot be compensated and can only be replaced as a whole. The service life is short, the replacement time is long, and the cost is high. In the oil and gas production process , It brings inconvenience to the operators and reduces the production efficiency.
发明内容Contents of the invention
本发明所要解决的技术问题是：提供一种密封补偿性能好的旋塞阀。The technical problem to be solved by the present invention is to provide a plug valve with good sealing compensation performance.
为了解决上述技术问题，本发明采用的技术方案是：旋塞阀，包括：阀体和设置在阀体内的旋塞，所述旋塞的上端与阀杆相连接，所述阀杆的上端伸出阀体与手轮相连接，所述旋塞的下端通过销轴与底盖转动连接，所述底盖与阀体的下端螺纹连接，在所述阀体与旋塞之间设置有密封弧片，在所述密封弧片的外侧设置有第一锥面，在所述阀体内设置有与第一锥面相互配合的第二锥面，所述密封弧片的下端通过转动环与底盖转动连接，在所述阀体内设置有进口通道和出口通道，在所述密封弧片靠近进口通道的一侧设置有与进口通道相互连通的进口连接通道，在所述密封弧片靠近出口通道的一侧设置有与出口通道相互连通的出口连接通道，在所述旋塞内设置有与进口连接通道和出口连接通道相互连通的中腔通道，在所述中腔通道上端的密封弧片与阀体之间设置有上密封圈，在所述中腔通道下端的密封弧片与阀体之间设置有下密封圈，在所述阀杆与阀体之间设置有上密封垫，在所述中腔通道下端的旋塞与底盖之间设置有下密封垫。In order to solve the above-mentioned technical problems, the technical solution adopted in the present invention is: a plug valve, comprising: a valve body and a cock arranged in the valve body, the upper end of the cock is connected with the valve stem, and the upper end of the valve stem protrudes from the valve body It is connected with the handwheel, the lower end of the cock is rotationally connected with the bottom cover through the pin shaft, the bottom cover is screwed with the lower end of the valve body, a sealing arc is arranged between the valve body and the cock, and the The outer side of the sealing arc is provided with a first tapered surface, and the valve body is provided with a second tapered surface that cooperates with the first tapered surface. The lower end of the sealing arc is connected to the bottom cover through a rotating ring. An inlet passage and an outlet passage are arranged in the valve body, an inlet connection passage communicated with the inlet passage is arranged on the side of the sealing arc near the inlet passage, and an inlet connecting passage is arranged on the side of the sealing arc near the outlet passage. The outlet connecting passage communicates with each other. A middle chamber passage communicated with the inlet connecting passage and the outlet connecting passage is arranged in the cock, and an upper sealing arc is arranged between the sealing arc at the upper end of the middle chamber passage and the valve body. A sealing ring, a lower sealing ring is arranged between the sealing arc at the lower end of the middle cavity passage and the valve body, an upper sealing gasket is arranged between the valve stem and the valve body, and a cock at the lower end of the middle cavity passage A lower sealing gasket is arranged between the bottom cover and the bottom cover.
本发明的优点是：上述旋塞阀，结构新颖，采用锥面密封弧片结构代替原来的直面密封弧片结构，同时将上下密封圈置于阀体之上，一旦密封弧片发生磨损出现泄漏可以将底盖旋进，在锥面的作用下可有效补偿密封弧片和阀体之间的间隙，使得阀门始终保持有效密封状态，延长了阀门的使用寿命，降低了更换成本，操作方便，提高了生产效率。The advantages of the present invention are: the above-mentioned plug valve has a novel structure, adopts a conical surface sealing arc structure instead of the original straight-facing sealing arc structure, and at the same time puts the upper and lower sealing rings on the valve body, once the sealing arc is worn and leaks, it can The bottom cover is screwed in, and the gap between the sealing arc and the valve body can be effectively compensated under the action of the conical surface, so that the valve is always in an effective sealing state, prolonging the service life of the valve, reducing the replacement cost, and being easy to operate. production efficiency.
附图说明Description of drawings
图1为本发明旋塞阀的结构示意图。Fig. 1 is a schematic structural view of the plug valve of the present invention.
图2为图1中密封弧片的放大结构示意图。FIG. 2 is an enlarged structural schematic diagram of the sealing arc in FIG. 1 .
图中：1、阀体，2、旋塞，3、阀杆，4、手轮，5、销轴，6、底盖，7、密封弧片，8、第一锥面，9、第二锥面，10、转动环，11、进口通道，12、出口通道，13、进口连接通道，14、出口连接通道，15、中腔通道，16、上密封圈，17、下密封圈，18、上密封垫，19、下密封垫。In the figure: 1. Valve body, 2. Cock, 3. Valve stem, 4. Hand wheel, 5. Pin shaft, 6. Bottom cover, 7. Seal arc, 8. First cone surface, 9. Second cone Surface, 10, rotating ring, 11, inlet channel, 12, outlet channel, 13, inlet connecting channel, 14, outlet connecting channel, 15, middle cavity channel, 16, upper sealing ring, 17, lower sealing ring, 18, upper Gasket, 19, lower gasket.
具体实施方式Detailed ways
下面结合附图和具体实施例详细描述一下本发明的具体内容。The specific content of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
如图1、图2所示，旋塞阀，包括：阀体1和设置在阀体1内的旋塞2，所述旋塞2的上端与阀杆3相连接，所述阀杆3的上端伸出阀体1与手轮4相连接，所述旋塞2的下端通过销轴5与底盖6转动连接，所述底盖3与阀体1的下端螺纹连接，在所述阀体1与旋塞2之间设置有密封弧片7，在所述密封弧片7的外侧设置有第一锥面8，在所述阀体1内设置有与第一锥面8相互配合的第二锥面9，所述密封弧片7的下端通过转动环10与底盖6转动连接，在所述阀体1内设置有进口通道11和出口通道12，在所述密封弧片7靠近进口通道11的一侧设置有与进口通道11相互连通的进口连接通道13，在所述密封弧片7靠近出口通道12的一侧设置有与出口通道12相互连通的出口连接通道14，在所述旋塞2内设置有与进口连接通道13和出口连接通道14相互连通的中腔通道15，在所述中腔通道15上端的密封弧片7与阀体1之间设置有上密封圈16，在所述中腔通道15下端的密封弧片7与阀体1之间设置有下密封圈17，在所述阀杆3与阀体1之间设置有上密封垫18，在所述中腔通道15下端的旋塞2与底盖6之间设置有下密封垫19。As shown in Figures 1 and 2, the cock valve includes: a valve body 1 and a cock 2 arranged in the valve body 1, the upper end of the cock 2 is connected with the valve stem 3, and the upper end of the valve stem 3 protrudes The valve body 1 is connected with the hand wheel 4, the lower end of the cock 2 is rotationally connected with the bottom cover 6 through the pin shaft 5, the bottom cover 3 is screwed with the lower end of the valve body 1, and the valve body 1 and the cock 2 A sealing arc 7 is arranged between them, a first tapered surface 8 is provided on the outer side of the sealing arc 7, and a second tapered surface 9 cooperating with the first tapered surface 8 is provided in the valve body 1, The lower end of the sealing arc 7 is rotationally connected with the bottom cover 6 through a rotating ring 10, and an inlet channel 11 and an outlet channel 12 are arranged in the valve body 1, and the sealing arc 7 is on the side close to the inlet channel 11. An inlet connecting channel 13 communicating with the inlet channel 11 is provided, an outlet connecting channel 14 communicating with the outlet channel 12 is provided on the side of the sealing arc 7 close to the outlet channel 12, and an outlet connecting channel 14 communicating with the outlet channel 12 is provided in the cock 2. The middle chamber passage 15 communicating with the inlet connection passage 13 and the outlet connection passage 14, an upper sealing ring 16 is arranged between the sealing arc piece 7 at the upper end of the middle chamber passage 15 and the valve body 1, and the middle chamber passage A lower sealing ring 17 is provided between the sealing arc 7 at the lower end of 15 and the valve body 1, an upper sealing gasket 18 is provided between the valve stem 3 and the valve body 1, and the cock 2 at the lower end of the middle cavity channel 15 A lower gasket 19 is arranged between the bottom cover 6 and the bottom cover 6 .
上述旋塞阀使用时，转动手轮4，手轮4带动阀杆3转动，阀杆3带动旋塞2转动直至中腔通道15与进口连接通道13和出口连接通道14相互连通，此时阀门打开，手轮再次转动90度，阀门关闭。When the above cock valve is in use, turn the hand wheel 4, the hand wheel 4 drives the valve stem 3 to rotate, the valve stem 3 drives the cock 2 to rotate until the middle chamber channel 15 communicates with the inlet connecting channel 13 and the outlet connecting channel 14, at this time the valve is opened, The hand wheel is turned 90 degrees again, and the valve is closed.
上述旋塞阀进行密封调节时，由于底盖6与阀体1之间螺纹连接，转动底盖6，底盖6在阀体1内向上移动带动旋塞2和密封弧片7同时向上移动，与此同时，底盖6通过销轴5在旋塞2上转动，底盖6在围绕转动环10转动，密封弧片7向上移动带动外侧的第一锥面8向上移动与阀体1内的第二锥面9相抵，消除磨损间隙，实现密封补偿。When the above-mentioned cock valve is sealed and adjusted, due to the threaded connection between the bottom cover 6 and the valve body 1, the bottom cover 6 is rotated, and the bottom cover 6 moves upward in the valve body 1 to drive the cock 2 and the sealing arc 7 to move upward at the same time. At the same time, the bottom cover 6 rotates on the cock 2 through the pin shaft 5, the bottom cover 6 rotates around the rotating ring 10, and the upward movement of the sealing arc 7 drives the first cone surface 8 on the outside to move upward to meet the second cone surface in the valve body 1. The faces 9 offset each other to eliminate the wear gap and realize sealing compensation.
上述旋塞阀，结构新颖，采用锥面密封弧片结构代替原来的直面密封弧片结构，同时将上下密封圈置于阀体之上，一旦密封弧片发生磨损出现泄漏可以将底盖旋进，在锥面的作用下可有效补偿密封弧片和阀体之间的间隙，使得阀门始终保持有效密封状态，延长了阀门的使用寿命，降低了更换成本，操作方便，提高了生产效率。The above-mentioned plug valve has a novel structure. It adopts a conical surface sealing arc structure instead of the original straight-face sealing arc structure. At the same time, the upper and lower sealing rings are placed on the valve body. Once the sealing arcs wear and leak, the bottom cover can be screwed in. Under the action of the cone surface, the gap between the sealing arc and the valve body can be effectively compensated, so that the valve can always maintain an effective sealing state, prolong the service life of the valve, reduce replacement costs, facilitate operation, and improve production efficiency.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711330554.8A CN107859754A (en) | 2017-12-13 | 2017-12-13 | Plug valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711330554.8A CN107859754A (en) | 2017-12-13 | 2017-12-13 | Plug valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107859754A true CN107859754A (en) | 2018-03-30 |
Family
ID=61705988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711330554.8A Pending CN107859754A (en) | 2017-12-13 | 2017-12-13 | Plug valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107859754A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442058A (en) * | 2019-01-10 | 2019-03-08 | 中石化四机石油机械有限公司 | A kind of high voltagehigh frequency time switch taper adjustable sealing structure plug valve |
| CN111577917A (en) * | 2020-06-02 | 2020-08-25 | 葛兴明 | Pipeline plug valve for chemical industry |
| CN119755379A (en) * | 2025-01-06 | 2025-04-04 | 宣达实业集团有限公司 | Three-way shearing reversing control valve |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3133722A (en) * | 1961-07-31 | 1964-05-19 | Halliburton Co | Plug valve with removable insert and liner means |
| CN202691111U (en) * | 2012-07-20 | 2013-01-23 | 金湖政轩石油机械有限公司 | Down-mounted plug valve |
| CN205824237U (en) * | 2016-06-22 | 2016-12-21 | 泰兴市锐利翔石油机械有限公司 | A kind of quick detachable antiseep plug valve |
| CN208417585U (en) * | 2017-12-13 | 2019-01-22 | 江苏威尔德钻采设备有限公司 | plug valve |
-
2017
- 2017-12-13 CN CN201711330554.8A patent/CN107859754A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3133722A (en) * | 1961-07-31 | 1964-05-19 | Halliburton Co | Plug valve with removable insert and liner means |
| CN202691111U (en) * | 2012-07-20 | 2013-01-23 | 金湖政轩石油机械有限公司 | Down-mounted plug valve |
| CN205824237U (en) * | 2016-06-22 | 2016-12-21 | 泰兴市锐利翔石油机械有限公司 | A kind of quick detachable antiseep plug valve |
| CN208417585U (en) * | 2017-12-13 | 2019-01-22 | 江苏威尔德钻采设备有限公司 | plug valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442058A (en) * | 2019-01-10 | 2019-03-08 | 中石化四机石油机械有限公司 | A kind of high voltagehigh frequency time switch taper adjustable sealing structure plug valve |
| CN111577917A (en) * | 2020-06-02 | 2020-08-25 | 葛兴明 | Pipeline plug valve for chemical industry |
| CN119755379A (en) * | 2025-01-06 | 2025-04-04 | 宣达实业集团有限公司 | Three-way shearing reversing control valve |
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Application publication date: 20180330 |