CN112696504A - Cone-shaped valve without middle cavity gap - Google Patents
Cone-shaped valve without middle cavity gap Download PDFInfo
- Publication number
- CN112696504A CN112696504A CN202011517685.9A CN202011517685A CN112696504A CN 112696504 A CN112696504 A CN 112696504A CN 202011517685 A CN202011517685 A CN 202011517685A CN 112696504 A CN112696504 A CN 112696504A
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- Prior art keywords
- valve
- cone
- conical
- conical valve
- valve core
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- 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
- F16K5/02—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 conical surfaces; Packings therefor
- F16K5/0207—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 conical surfaces; Packings therefor with special plug arrangement, e.g. special shape or built in means
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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
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/062—Construction of housing; Use of materials therefor of taps or cocks with conical plugs
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
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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
- F16K5/02—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 conical surfaces; Packings therefor
- F16K5/0235—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 conical surfaces; Packings therefor with the angle the spindle makes housing being other than 90 degrees
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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
- F16K5/02—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 conical surfaces; Packings therefor
- F16K5/0242—Spindles and actuating means
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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
- F16K5/02—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 conical surfaces; Packings therefor
- F16K5/0257—Packings
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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
- F16K5/02—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 conical surfaces; Packings therefor
- F16K5/0257—Packings
- F16K5/0271—Packings between housing and plug
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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
- F16K5/16—Special arrangements for separating the sealing faces or for pressing them together for plugs with conical surfaces
- F16K5/162—Special arrangements for separating the sealing faces or for pressing them together for plugs with conical surfaces with the plugs or parts of the plugs mechanically pressing the seal against the housing
- F16K5/167—Means pressing radially
Abstract
The invention discloses a conical valve without a middle cavity gap, which comprises a cone, a conical valve core arranged in the cone and a valve rod which is arranged on the cone and connected with the conical valve core, wherein the middle cavity gap is formed between the cone and the conical valve core, a communicating flow channel is formed on the conical valve core, a main flow channel is formed on the cone, and a sealing element is filled in the middle cavity gap. The invention has the following advantages and effects: the valve can realize no connecting gap between the valve body and the valve core, thereby further improving the corrosion resistance of the valve and prolonging the service life of the valve.
Description
Technical Field
The invention relates to a valve, in particular to a conical valve without a middle cavity gap.
Background
The valve is a device for controlling the direction, pressure and flow of fluid in a fluid system, and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting, overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.
In the existing valve, a larger middle cavity gap exists between the valve body and the valve core, so that a pipeline medium can enter the middle cavity gap under the action of pressure difference, the inner wall of the valve body is corroded, and the existing valve does not have good corrosion resistance. And the medium entering the middle cavity gap can be permanently accumulated in the middle cavity gap, so that accumulated liquid and medium residue are caused, and the service life of the valve is further influenced.
Disclosure of Invention
The invention aims to provide a conical valve without a middle cavity gap, which can realize no connection gap between a valve body and a valve core, thereby further improving the corrosion resistance of the valve and prolonging the service life of the valve.
The technical purpose of the invention is realized by the following technical scheme: a conical valve without a middle cavity gap comprises a cone, a conical valve core arranged in the cone and a valve rod which is arranged in the cone and connected with the conical valve core, wherein a middle cavity gap is formed between the cone and the conical valve core, a communicating flow channel is formed on the conical valve core, a main flow channel is formed on the cone, and a sealing element is filled in the middle cavity gap.
By adopting the technical scheme, the arrangement of the sealing element ensures that the good sealing between the cone and the conical valve core and the gap of the middle cavity are filled, so that the conical valve core has better wear resistance and more reliable sealing property. The setting makes the valve cavity have no dead angle, no accumulated liquid, no residual medium and zero leakage sealing function, avoids the contact of the medium and the inner wall of the cone, and improves the corrosion resistance.
Further setting the following steps: the cone includes the toper valve body and sets up in the valve gap of toper valve body, the intercommunication runner is including the first flow channel mouth that is located toper case lateral surface and the second flow channel mouth that is located toper case bottom surface, the sealing member is including setting up the seal cover between toper case lateral surface and the toper valve body and setting up the sealed pad between toper case bottom surface and valve gap, the seal cover first flow channel mouth and extend to set up along the rotation path of toper case and form an annular, the seal cover communicates with each other with it corresponding to the position of first flow channel mouth, sealed pad covers second flow channel mouth and extends to set up along the rotation path of toper case and form a circular shape, sealed pad communicates with each other with it corresponding to the position of second flow channel mouth.
Through adopting above-mentioned technical scheme, this kind of setting makes the toper case at the in-process of opening and close, and sealed pad and seal cover both can both keep the sealed and make the rotation process can not produce any clearance to the sprue at whole in-process, has just so avoided the medium to enter into the probability in lumen clearance, reaches better sealed effect.
Further setting the following steps: the bottom surface of the conical valve core is provided with a limiting bulge, the position of the valve cover corresponding to the limiting bulge is provided with a limiting groove for the valve cover to be embedded into, the limiting bulge extends along the rotating path of the conical valve core to form an annular shape, and the limiting groove extends along the rotating path of the conical valve core to form an annular shape.
Through adopting above-mentioned technical scheme, the cooperation between spacing arch and the spacing groove is spacing to the position of the toper case in the rotation, promotes the rotation accuracy of toper case to this reaches better sealed effect.
Further setting the following steps: a first radial bearing is arranged between the limiting groove and the limiting protrusion.
Through adopting above-mentioned technical scheme, first radial bearing's setting reduces frictional resistance, promotes spacing precision.
Further setting the following steps: an O-shaped ring surrounding the periphery of the sealing gasket is arranged between the conical valve core and the valve cover.
Through adopting above-mentioned technical scheme, O type circle cooperation is sealed to fill up and is realized double seal, reduces the leakage point of valve gap department.
Further setting the following steps: the valve rod and the conical valve core are integrally arranged, and a second radial bearing and sealing filler are arranged between the valve rod and the conical valve body.
Through adopting above-mentioned technical scheme, the mode that an organic whole set up promotes structural strength between the two, and can prevent that the valve rod pressurized departure, and the setting of second radial bearing reduces the rotation resistance of valve rod to guarantee the leakproofness between valve rod and the toper valve body between the two through the sealing filler.
Further setting the following steps: and a conductive member is arranged between the valve rod and the conical valve body.
Through adopting above-mentioned technical scheme, good electric conductivity between valve rod and the toper valve body is guaranteed in the setting of electrically conductive component.
Further setting the following steps: the conductive member comprises a mounting groove arranged on the valve rod, a conductive block arranged on the mounting groove and a conductive spring for driving the conductive block to move towards the conical valve body.
Through adopting above-mentioned technical scheme, conductive spring drive conducting block moves towards the toper valve body, realizes the in close contact between valve rod and the toper valve body two.
Further setting the following steps: the diameter of the communicating flow passage is the same as that of the main flow passage.
By adopting the above technical solution, the same diameter is used for reducing the flow resistance of the medium.
In conclusion, the invention has the following beneficial effects: the valve can realize no connecting gap between the valve body and the valve core, thereby further improving the corrosion resistance of the valve and prolonging the service life of the valve.
Drawings
FIG. 1 is a sectional view of the embodiment;
fig. 2 is an enlarged view of a portion a in fig. 1.
In the figure: 1. a conical valve core; 2. a valve stem; 3. a middle cavity gap; 4. a flow passage is communicated; 5. a main flow channel; 6. a conical valve body; 7. a valve cover; 8. a first flow channel opening; 9. a second flow port; 10. sealing sleeves; 11. a gasket; 12. a limiting bulge; 13. a limiting groove; 14. a first radial bearing; 15. an O-shaped ring; 16. a second radial bearing; 17. sealing and filling; 18. a conductive member; 181. mounting grooves; 182. a conductive block; 183. a conductive spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, a conical valve without a middle cavity gap comprises a cone and a conical valve core 1 arranged in the cone, wherein a communication flow passage 4 is formed on the conical valve core 1, and a main flow passage 5 is formed on the cone. The cone includes conical valve body 6 and fixed valve gap 7 that sets up in conical valve body 6 below, installs the valve rod 2 with 1 an organic whole settings of toper case on the conical valve body 6, is formed with mesocoele clearance 3 between conical valve body 6, valve gap 7 and the 1 three of toper case, and mesocoele clearance 3 intussuseption is filled with the sealing member.
The communication flow passage 4 comprises a first flow passage port 8 positioned on the outer side surface of the conical valve core 1 and a second flow passage port 9 positioned on the bottom surface of the conical valve core 1; the sealing element comprises a sealing sleeve 10 arranged between the outer side surface of the conical valve core 1 and the conical valve body 6 and a sealing gasket 11 arranged between the bottom surface of the conical valve core 1 and the valve cover 7. The sealing sleeve 10 covers the first flow port 8 and extends along the rotation path of the conical valve core 1 to form an annular shape, the sealing sleeve 10 is communicated with the first flow port 8 at a position corresponding to the first flow port, the sealing gasket 11 covers the second flow port 9 and extends along the rotation path of the conical valve core 1 to form a circle, and the sealing gasket 11 is communicated with the second flow port 9 at a position corresponding to the second flow port 9.
The bottom surface of the conical valve core 1 is integrally provided with a limiting bulge 12, the position of the valve cover 7 corresponding to the limiting bulge 12 is provided with a limiting groove 13 for the valve cover to be embedded into, the limiting bulge 12 extends along the rotating path of the conical valve core 1 to form an annular shape, and the limiting groove 13 extends along the rotating path of the conical valve core 1 to form an annular shape. A first radial bearing 14 is arranged between the limiting groove 13 and the limiting bulge 12.
An O-shaped ring 15 surrounding the periphery of the sealing gasket 11 is arranged between the conical valve core 1 and the valve cover 7, and a second radial bearing 16 and a sealing filler 17 are arranged between the valve rod 2 and the conical valve body 6. A conductive member 18 is arranged between the valve rod 2 and the conical valve body 6, the conductive member 18 comprises a mounting groove 181 arranged on the valve rod 2, a conductive block 182 arranged on the mounting groove 181, and a conductive spring 183 driving the conductive block 182 to move towards the conical valve body 6, and the conductive spring 183 is mounted on the mounting groove 181. The diameter of the communication flow passage 4 is the same as that of the main flow passage 5.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a conical valve in no lumen clearance, includes the cone, sets up toper case (1) in the cone and installs in the cone and with valve rod (2) that toper case (1) is connected, be formed with lumen clearance (3) between cone and toper case (1), be formed with intercommunication runner (4) on toper case (1), be formed with sprue (5), its characterized in that on the cone: and a sealing element is filled in the middle cavity gap (3).
2. A hollow clearance-free cone valve as defined in claim 1 wherein: the cone comprises a conical valve body (6) and a valve cover (7) arranged on the conical valve body (6), the communication flow channel (4) comprises a first flow channel opening (8) arranged on the outer side surface of the conical valve core (1) and a second flow channel opening (9) arranged on the bottom surface of the conical valve core (1), the sealing element comprises a sealing sleeve (10) arranged between the outer side surface of the conical valve core (1) and the conical valve body (6) and a sealing gasket (11) arranged between the bottom surface of the conical valve core (1) and the valve cover (7), the sealing sleeve (10) covers the first flow channel opening (8) and extends along the rotating path of the conical valve core (1) to form a ring shape, the sealing sleeve (10) is communicated with the first flow channel opening (8) in a position corresponding to the first flow channel opening, the sealing gasket (11) covers the second flow channel opening (9) and extends along the rotating path of the conical, the sealing gasket (11) is communicated with the second flow passage opening (9) corresponding to the position of the second flow passage opening.
3. A hollow clearance-free cone valve as defined in claim 2 wherein: the conical valve core is characterized in that a limiting bulge (12) is arranged on the bottom surface of the conical valve core (1), a limiting groove (13) for the valve cover (7) to be embedded into is formed in the position, corresponding to the limiting bulge (12), of the valve cover, the limiting bulge (12) extends along the rotating path of the conical valve core (1) to form an annular shape, and the limiting groove (13) extends along the rotating path of the conical valve core (1) to form an annular shape.
4. A hollow clearance-free cone valve as defined in claim 3 wherein: a first radial bearing (14) is arranged between the limiting groove (13) and the limiting protrusion (12).
5. A hollow clearance-free cone valve as defined in claim 2 wherein: an O-shaped ring (15) surrounding the periphery of the sealing gasket (11) is arranged between the conical valve core (1) and the valve cover (7).
6. A hollow clearance-free cone valve as defined in claim 2 wherein: the valve rod (2) and the conical valve core (1) are integrally arranged, and a second radial bearing (16) and a sealing filler (17) are arranged between the valve rod (2) and the conical valve body (6).
7. A hollow clearance-free cone valve as defined in claim 2 wherein: and a conductive member (18) is arranged between the valve rod (2) and the conical valve body (6).
8. A hollow clearance-free cone valve as defined in claim 7 wherein: the conductive member (18) comprises a mounting groove (181) arranged on the valve rod (2), a conductive block (182) arranged on the mounting groove (181), and a conductive spring (183) for driving the conductive block (182) to move towards the conical valve body (6).
9. A hollow clearance-free cone valve as defined in claim 1 wherein: the diameter of the communication flow channel (4) is the same as that of the main flow channel (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011517685.9A CN112696504A (en) | 2020-12-21 | 2020-12-21 | Cone-shaped valve without middle cavity gap |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011517685.9A CN112696504A (en) | 2020-12-21 | 2020-12-21 | Cone-shaped valve without middle cavity gap |
Publications (1)
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CN112696504A true CN112696504A (en) | 2021-04-23 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202011517685.9A Pending CN112696504A (en) | 2020-12-21 | 2020-12-21 | Cone-shaped valve without middle cavity gap |
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CN (1) | CN112696504A (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201439825U (en) * | 2009-07-23 | 2010-04-21 | 浙江维都利阀门制造有限公司 | Special fireproof alloy cock valve plug valve |
CN202023941U (en) * | 2010-11-29 | 2011-11-02 | 马鞍山钢铁股份有限公司 | Plug cock valve for large diameter gas pipeline |
CN104006180A (en) * | 2014-06-06 | 2014-08-27 | 施瑞德阀门(厦门)有限公司 | Ceramic plug valve |
CN104364569A (en) * | 2012-03-23 | 2015-02-18 | 维克托里克公司 | Diverter valve |
CN105605239A (en) * | 2015-11-05 | 2016-05-25 | 福建华永科技有限公司 | Circular truncated cone-shaped valve core, circular truncated cone-shaped valve and machining method of circular truncated cone-shaped valve core |
CN105909815A (en) * | 2016-06-28 | 2016-08-31 | 江阴安达化工设备有限公司 | Gapless anti-corrosion valve of fluoroplastic lined steel cavity ladder post |
CN110454584A (en) * | 2019-08-23 | 2019-11-15 | 福建开立通科技有限公司 | Detectable seal pressure without dead angle erosion resistant rotary table valve and its processing method |
-
2020
- 2020-12-21 CN CN202011517685.9A patent/CN112696504A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201439825U (en) * | 2009-07-23 | 2010-04-21 | 浙江维都利阀门制造有限公司 | Special fireproof alloy cock valve plug valve |
CN202023941U (en) * | 2010-11-29 | 2011-11-02 | 马鞍山钢铁股份有限公司 | Plug cock valve for large diameter gas pipeline |
CN104364569A (en) * | 2012-03-23 | 2015-02-18 | 维克托里克公司 | Diverter valve |
CN104006180A (en) * | 2014-06-06 | 2014-08-27 | 施瑞德阀门(厦门)有限公司 | Ceramic plug valve |
CN105605239A (en) * | 2015-11-05 | 2016-05-25 | 福建华永科技有限公司 | Circular truncated cone-shaped valve core, circular truncated cone-shaped valve and machining method of circular truncated cone-shaped valve core |
CN105909815A (en) * | 2016-06-28 | 2016-08-31 | 江阴安达化工设备有限公司 | Gapless anti-corrosion valve of fluoroplastic lined steel cavity ladder post |
CN110454584A (en) * | 2019-08-23 | 2019-11-15 | 福建开立通科技有限公司 | Detectable seal pressure without dead angle erosion resistant rotary table valve and its processing method |
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Application publication date: 20210423 |
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