CN105402432A - High-strength anti-leakage double-sealed welded ball valve - Google Patents
High-strength anti-leakage double-sealed welded ball valve Download PDFInfo
- Publication number
- CN105402432A CN105402432A CN201510900758.5A CN201510900758A CN105402432A CN 105402432 A CN105402432 A CN 105402432A CN 201510900758 A CN201510900758 A CN 201510900758A CN 105402432 A CN105402432 A CN 105402432A
- Authority
- CN
- China
- Prior art keywords
- lower shaft
- valve
- shaft sleeve
- spheroid
- axle
- 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.)
- Pending
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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
- F16K5/06—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 spherical 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
- 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
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a high-strength anti-leakage double-sealed welded ball valve. The high-strength anti-leakage double-sealed welded ball valve comprises a valve body, a valve seat, a ball body and a top flange and further comprises an upper shaft, a lower shaft, an upper shaft sleeve, a lower shaft sleeve, an adjustment bolt, a thrust pad, a hinge pin, a spring and a plug screw, An inlet and an outlet of a valve body channel are formed in the two ends, in the length direction, of the valve body respectively. The portion, close to the center line in the length direction, of the valve body is spherical on the whole. The valve seat is located on the two sides of the center, in the length direction, of the valve body and located beside the spherical portion of the valve body. The ball body is located in a cavity of the valve body and makes contact with the valve seat. One end of the upper shaft and one end of the lower shaft are connected with the two sides of the ball body respectively. The other end of the upper shaft and the other end of the lower shaft are connected into the upper shaft sleeve and the lower shaft sleeve respectively. A valve rod groove is formed in the upper shaft. The plug screw is arranged in the upper shaft sleeve. One end of the hinge pin is located in the valve rod groove and connected with the upper shaft, and the other end of the hinge pin is connected with the plug screw through the spring. The adjustment bolt is arranged in the lower shaft sleeve. One side of the thrust pad makes contact with the lower shaft, and the other side of the thrust pad makes contact with the adjustment bolt.
Description
Technical field
The present invention relates to a kind of ball valve, especially high strength is prevented leaking outside the welding ball valve of dual face seals.
Background technique
Valve is the controlling component in fluid delivery system, has cut-off, adjustment, water conservancy diversion, prevents the functions such as adverse current, voltage stabilizing, shunting or overflow pressure relief.Valve from the simplest stop valve to very complicated robot control system(RCS) various valves used, its kind and specification are quite various, and wherein ball valve is exactly the one in valve.Ball valve generally comprises valve body, spheroid, valve rod etc., and the ball-valve structure of prior art is not compact, valve body forge weight weight, and build is large, and manufacture cost is high, and switch resistance is large.
Summary of the invention
The ball-valve structure that the object of the invention is to solve prior art is not compact, valve body forge weight weight, and build is large, and manufacture cost is high, the problem that switch resistance is large.
The technical solution used in the present invention is: a kind of high strength is prevented leaking outside the welding ball valve of dual face seals, comprises valve body, valve seat, spheroid, top flange, it also comprises axle, lower shaft, Upper shaft sleeve, Lower shaft sleeve, adjustment bolt, thrust pad, bearing pin, spring, plug screw, described valve body comprises left and right two-part, left and right two-part are welded as a whole and weld seam is positioned on the center line of body length direction, two ends, body length direction are respectively import and the outlet of valve channel, valve body with and near the overall valve cavity making to be formed in valve body and spheroid is suitable spherical in shape of length direction centerline, described valve seat is positioned at both sides, center, body length direction and is positioned at the side of valve body part spherical in shape, spheroid is positioned at valve cavity and contacts with valve seat, and described Upper shaft sleeve and the Lower shaft sleeve respectively top of valve body central authorities are connected with bottom and are connected, make Upper shaft sleeve relative with Lower shaft sleeve position, one end of described upper axle is connected with spheroid both sides respectively with one end of lower shaft, make axle relative with lower axle position, the other end of upper axle and the other end of lower shaft are connected to Upper shaft sleeve, in Lower shaft sleeve, described upper axle is provided with valve rod groove, and plug screw is arranged in Upper shaft sleeve, and one end of bearing pin is positioned at valve rod groove and is connected with upper axle, the other end is connected with plug screw by spring, and described adjustment bolt is arranged in Lower shaft sleeve, and the side of described thrust pad contacts with lower shaft, opposite side and adjustment threaded bolt contacts.
As a further improvement on the present invention: described upper axle and lower shaft all offer semicircle cotter way, be connected with straight pin in semicircle cotter way on upper axle and lower shaft, spheroid be provided with pin-and-hole, inserted the connection of axle and spheroid and lower shaft and spheroid on pin-and-hole by straight pin one end.
As a further improvement on the present invention: plug screw is NPT plug screw.
As a further improvement on the present invention: described Lower shaft sleeve offers floss hole away from one end of lower shaft.
The invention has the beneficial effects as follows: surrounding valve body uniform force, welding only forms a middle weld seam, overcomes the shortcomings such as the stress deformation that many weld seams produce, also eliminates the approach leaked outside, valve seat stability good seal performance.Valve body through spherical Force Calculation, reduce valve weight, save material, reduce costs.Realize anti-blow, can be good at preventing valve rod from can not be gushed out by pressure remaining in valve and play spheroid discharge electrostatic function, thus can prevent fires, valve adopts double piston type valve base sealing structure, dual face seals, does not need a point upstream and downstream orientation to go installation.
Accompanying drawing explanation
Fig. 1 is partial sectional view of the present invention (except A place, top flange, upper axle, lower shaft, spheroid, other are analyses and observe).
Fig. 2 is the cross section enlarged view of middle weld seam at A place.
Fig. 3 is the enlarged view at B place.
Fig. 4 is the enlarged view at C place.
Fig. 5 is the schematic diagram of Upper shaft sleeve.
Fig. 6 is the schematic diagram of Lower shaft sleeve.
Fig. 7 is plan view and the side view of upper axle.
Fig. 8 is plan view and the side view of lower shaft.
Fig. 9 is plan view and the side view of spheroid.
Shown in figure: 1 valve body, 2 valve seats, 3 spheroids, axle on 4,5 lower shafts, 6 Upper shaft sleeves, 7 Lower shaft sleeves, 8 adjustment bolts, 9 thrust pads, 10 top flanges, 11 bearing pins, 12 springs, 13 plug screws, 14 valve rod grooves, 15 semicircle cotter ways, 16 straight pins, 17 pin-and-holes, 18 floss holes.
Embodiment
Below in conjunction with figure, the present invention is described further.
Embodiment 1: a kind of high strength is prevented leaking outside the welding ball valve of dual face seals, comprises valve body 1, valve seat 2, spheroid 3, top flange 10, it also comprises axle 4, lower shaft 5, Upper shaft sleeve 6, Lower shaft sleeve 7, adjustment bolt 8, thrust pad 9, bearing pin 11, spring 12, plug screw 13, described valve body comprises left and right two-part, left and right two-part are welded as a whole and weld seam is positioned on the center line of body length direction, two ends, body length direction are respectively import and the outlet of valve channel, valve body with and near the overall valve cavity making to be formed in valve body and spheroid is suitable spherical in shape of length direction centerline, described valve seat is positioned at both sides, center, body length direction and is positioned at the side of valve body part spherical in shape, spheroid is positioned at valve cavity and contacts with valve seat, and described Upper shaft sleeve and the Lower shaft sleeve respectively top of valve body central authorities are connected with bottom and are connected, make Upper shaft sleeve relative with Lower shaft sleeve position, one end of described upper axle is connected with spheroid both sides respectively with one end of lower shaft, make axle relative with lower axle position, the other end of upper axle and the other end of lower shaft are connected to Upper shaft sleeve, in Lower shaft sleeve, described upper axle is provided with valve rod groove 14, and plug screw is arranged in Upper shaft sleeve, and one end of bearing pin is positioned at valve rod groove and is connected with upper axle, the other end is connected with plug screw by spring, and described adjustment bolt is arranged in Lower shaft sleeve, and the side of described thrust pad contacts with lower shaft, opposite side and adjustment threaded bolt contacts.
Have employed this mode, linkage structure is safe and reliable, can not only ensure the stability of axle, anti-blow, also plays spheroid discharge electrostatic function.Thrust pad decreases the direct friction between lower shaft and adjusting bolt, reduces resistance, is convenient to the rotation of spheroid.Adjusting bolt spiral shell can adjust the center height of spheroid, ensures sealing when using.
Embodiment 2, be with the difference of embodiment 1: described upper axle and lower shaft all offer semicircle cotter way 15, be connected with straight pin 16 in semicircle cotter way on upper axle and lower shaft, spheroid be provided with pin-and-hole 17, inserted the connection of axle and spheroid and lower shaft and spheroid on pin-and-hole by straight pin 16 one end.Adopt in this way, easy to process, can bear large moment of torsion and load, certainly upper axle and lower shaft are also to adopt the mode offering pin-and-hole.
Embodiment 3, are with the difference of embodiment 2: plug screw is NPT plug screw.
Embodiment 4, are with the difference of embodiment 3: described Lower shaft sleeve offers floss hole 18 away from one end of lower shaft.It is low that floss hole is positioned at the bottom of valve, position, is conducive to impurity discharge in chamber clean.
Those skilled in the art should know; protection scheme of the present invention is not limited only to the above embodiments; various permutation and combination and conversion can also be carried out on the basis of above-described embodiment; under the prerequisite without prejudice to spirit of the present invention, the various conversion that the present invention carries out all are dropped in protection scope of the present invention.
Claims (4)
1. high strength is prevented leaking outside a welding ball valve for dual face seals, comprises valve body, valve seat, spheroid, top flange, is characterized in that it also comprises axle, lower shaft, Upper shaft sleeve, Lower shaft sleeve, adjustment bolt, thrust pad, bearing pin, spring, plug screw, described valve body comprises left and right two-part, left and right two-part are welded as a whole and weld seam is positioned on the center line of body length direction, two ends, body length direction are respectively import and the outlet of valve channel, valve body with and near the overall valve cavity making to be formed in valve body and spheroid is suitable spherical in shape of length direction centerline, described valve seat is positioned at both sides, center, body length direction and is positioned at the side of valve body part spherical in shape, spheroid is positioned at valve cavity and contacts with valve seat, and described Upper shaft sleeve and the Lower shaft sleeve respectively top of valve body central authorities are connected with bottom and are connected, make Upper shaft sleeve relative with Lower shaft sleeve position, one end of described upper axle is connected with spheroid both sides respectively with one end of lower shaft, make axle relative with lower axle position, the other end of upper axle and the other end of lower shaft are connected to Upper shaft sleeve, in Lower shaft sleeve, described upper axle is provided with valve rod groove, and plug screw is arranged in Upper shaft sleeve, and one end of bearing pin is positioned at valve rod groove and is connected with upper axle, the other end is connected with plug screw by spring, and described adjustment bolt is arranged in Lower shaft sleeve, and the side of described thrust pad contacts with lower shaft, opposite side and adjustment threaded bolt contacts.
2. a kind of high strength according to claim 1 is prevented leaking outside the welding ball valve of dual face seals, it is characterized in that described upper axle and lower shaft all offer semicircle cotter way, be connected with straight pin in semicircle cotter way on upper axle and lower shaft, spheroid be provided with pin-and-hole, inserted the connection of axle and spheroid and lower shaft and spheroid on pin-and-hole by straight pin one end.
3. a kind of high strength according to claim 2 is prevented leaking outside the welding ball valve of dual face seals, it is characterized in that plug screw is NPT plug screw.
4. a kind of high strength according to claim 3 is prevented leaking outside the welding ball valve of dual face seals, it is characterized in that described Lower shaft sleeve offers floss hole away from one end of lower shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510900758.5A CN105402432A (en) | 2015-12-09 | 2015-12-09 | High-strength anti-leakage double-sealed welded ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510900758.5A CN105402432A (en) | 2015-12-09 | 2015-12-09 | High-strength anti-leakage double-sealed welded ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105402432A true CN105402432A (en) | 2016-03-16 |
Family
ID=55468098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510900758.5A Pending CN105402432A (en) | 2015-12-09 | 2015-12-09 | High-strength anti-leakage double-sealed welded ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105402432A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002038991A2 (en) * | 2000-11-08 | 2002-05-16 | Gerhard Schug | Stop valve for hydraulic fluids |
| WO2002095274A1 (en) * | 2001-05-23 | 2002-11-28 | Naval Oy | Method for the manufacture of a ball valve between two tubes |
| CN202719180U (en) * | 2012-08-29 | 2013-02-06 | 上海高中压阀门股份有限公司 | Large-caliber all-welded ball valve |
| CN202834169U (en) * | 2012-10-31 | 2013-03-27 | 替克斯阀门有限公司 | Pipeline ball valve |
| CN203374851U (en) * | 2013-07-09 | 2014-01-01 | 永嘉中球阀门制造有限公司 | Steel integrated welding ball valve |
| CN203560493U (en) * | 2013-11-18 | 2014-04-23 | 交城县鑫升机械有限公司 | High-performance all-welding fixing ball valve |
| CN204756079U (en) * | 2015-07-28 | 2015-11-11 | 浙江中诚阀门有限公司 | Full welded fastening formula ball valve |
-
2015
- 2015-12-09 CN CN201510900758.5A patent/CN105402432A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002038991A2 (en) * | 2000-11-08 | 2002-05-16 | Gerhard Schug | Stop valve for hydraulic fluids |
| WO2002095274A1 (en) * | 2001-05-23 | 2002-11-28 | Naval Oy | Method for the manufacture of a ball valve between two tubes |
| CN202719180U (en) * | 2012-08-29 | 2013-02-06 | 上海高中压阀门股份有限公司 | Large-caliber all-welded ball valve |
| CN202834169U (en) * | 2012-10-31 | 2013-03-27 | 替克斯阀门有限公司 | Pipeline ball valve |
| CN203374851U (en) * | 2013-07-09 | 2014-01-01 | 永嘉中球阀门制造有限公司 | Steel integrated welding ball valve |
| CN203560493U (en) * | 2013-11-18 | 2014-04-23 | 交城县鑫升机械有限公司 | High-performance all-welding fixing ball valve |
| CN204756079U (en) * | 2015-07-28 | 2015-11-11 | 浙江中诚阀门有限公司 | Full welded fastening formula ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160316 |