CN102278494B - Completely-sealed zero-leakage ball valve - Google Patents
Completely-sealed zero-leakage ball valve Download PDFInfo
- Publication number
- CN102278494B CN102278494B CN 201110200573 CN201110200573A CN102278494B CN 102278494 B CN102278494 B CN 102278494B CN 201110200573 CN201110200573 CN 201110200573 CN 201110200573 A CN201110200573 A CN 201110200573A CN 102278494 B CN102278494 B CN 102278494B
- Authority
- CN
- China
- Prior art keywords
- valve
- drive link
- arc drive
- arc
- 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.)
- Active
Links
Images
Abstract
The invention relates to a ball valve and particularly relates to a completely-sealed zero-leakage ball valve. According to the invention, a valve rod of the ball valve is driven by an arc-shaped drive connecting rod; a valve deck is box-shaped overall, and the valve rod and the arc-shaped drive connecting rod are contained in the valve deck; a metal corrugated pipe is installed between the end part of the arc-shaped drive connecting rod and the valve deck, thus good tightness is achieved; and meanwhile, the ball valve maintains the advantage of the traditional ball valve that starting and stopping can realized while rotating 90 degrees.
Description
Technical field
The present invention relates to a kind of ball valve, particularly the full-seal zero-leakage ball valve.
Background technique
The invention of valve attends by human life with application always closely, produces and work, also the history in thousands of years has been arranged so far.Because the continuous increase of demand, the kind of valve, specification output are constantly increased sharply, and according to incompletely statistics, China has more than 3,000 kind of about 30,000 plurality of specifications of valve at present.Valve is the important device of transporting fluid, particularly in inflammable, explosive, the poisonous and hazardous danger medium of transporting, to the sealing of safe and reliable consideration to valve, intensity assurance property has proposed strict requirement.Ball valve because have that volume is little, handle only turn 90 degrees and just can realize opening and closing, operate save time, laborsaving, the reliable advantage of sealing and being widely used.Present ball valve valve gap is connected with bolt, nut with valve body and forms sealing.Yet this Seal cage has two leak sources, and one is the joint of valve gap and valve body, and another place is that valve rod rotates at the stuffing box place and produced matching gap too, is anti-heads, have to be clipped in the place, slit with sealing gasket and go to block up.Very harsh when the working environment that the transporting medium temperature raises, the pressure increase makes valve, in order to guarantee being perfectly safe of transporting hazmat, the most basic way is cancelled this two leak sources exactly.Reach the opening and closing valve for those through the inner open-shut device of up-down valve pocket; Like stop valve, gate valve etc.; People can be through being provided with the hanger of open-shut device in the valve rod lower end, the hanger Spielpassung is arranged in the valve pocket, between the valve port of valve body and hanger, is provided with corrugated tube shape elastic telescopic spare; Said elastic telescopic spare two ends separate flashboard and upper cover with valve port and hanger fixed seal connection respectively, thereby reach the purpose of full-seal zero-leakage.Ball valve is a kind of common valve; But ball valve is the medium of transporting liquid state, gaseous state, solid-state a single state both, medium that again can the liquid-solid mixing shape of transporting, and ball valve has handle and only turn 90 degrees the advantage that just can open and close; Open quick, save time, laborsaving sealing is reliable, using scope is extensive.But reach the opening and closing valve through 90 degree spinning balls for ball valve is this; Because bellows can't be done radially rotational deformation; Said structure can't be suitable for, and needs to become straight line motion with rotation, and straight line motion becomes the mechanical shifting mechanism that rotatablely moves again; Make the structure more complicated, and volume increases.
Summary of the invention
The objective of the invention is to provide a kind of ball valve of seamless full-seal zero-leakage for the deficiency that overcomes existing technology.
In order to achieve the above object; Technical solution provided by the invention is: a kind of full-seal zero-leakage ball valve, include valve gap, valve body, spheroid, valve seat and valve rod, and spheroid is arranged in the valve pocket; Valve seat is arranged on the both sides of spheroid; The valve rod lower end is passed in valve rod hole to the valve pocket on the valve body and is connected with spheroid, it is characterized in that: said full-seal zero-leakage ball valve is provided with at least the arc drive link greater than 90 degree arc length, and said arc drive link one end is fixedly connected with valve rod through joint radially; Said valve gap integral body is the case shape valve rod and arc drive link is wrapped in wherein; Said bonnet lower is connected with valve seal, and the position corresponding with the arc drive link is provided with its rotatable space that is not less than 90 degree of confession that matches with said arc drive link on the valve gap, and said space and the relative radial sidewalls of the said arc drive link the other end are provided with tie rod holes; This end end of said arc drive link passes from tie rod holes; The said part arc drive link that from tie rod holes, passes is arranged with metal bellows, and said metal bellows one end and connecting rod are tightly connected, and the other end is enclosed in tie rod holes wherein and is connected with valve bonnet seal.
Compared with prior art; The invention has the beneficial effects as follows: the present invention is through arc drive link actuate valve stem; Valve gap integral body is the case shape valve rod and arc drive link is wrapped in wherein; And between the end of said arc drive link and valve gap, be provided with said metal bellows, and reached good sealing, also keep conventional ball valve only to turn 90 degrees the advantage that just can open and close simultaneously.
Below in conjunction with accompanying drawing and specific embodiment the present invention is described further.
Description of drawings
Accompanying drawing 1 is the specific embodiment of the invention 1 a structure sectional view;
Accompanying drawing 2 is accompanying drawing 1 an A-A structure sectional view.
Embodiment
As shown in Figure 1; The full-seal zero-leakage ball valve comprises valve gap 3, valve body, spheroid 10, valve seat 11 and valve rod 12; Valve body comprises left valve barrel 9 and right valve barrel 13 in this specific embodiment; Spheroid 10 is arranged in the valve pocket after left valve barrel 9 merges with right valve barrel 13, and valve seat 11 is arranged on the both sides of spheroid 10, and valve rod 12 lower ends are passed in valve rod 12 holes to the valve pocket on the right valve barrel 13 and are connected with spheroid 10; Said full-seal zero-leakage ball valve is provided with at least the arc drive link 1 greater than 90 degree arc length; Said arc drive link 1 one ends are fixedly connected with valve rod 12 through joint 2 radially, and said valve gap 3 integral body are the case shape valve rod 12 and arc drive link 1 are wrapped in wherein, and said valve gap 3 bottoms and valve body 9 are tightly connected; Be provided with its rotatable space that is not less than 90 degree of confession that matches with said arc drive link 1 with arc drive link 1 corresponding position on the valve gap 3; Said space relative with said arc drive link 1 the other end radial sidewalls be provided with tie rod holes 4, this end end of said arc drive link 1 passes from tie rod holes 4, plane, arc drive link 1 place is preferably vertical with valve rod 12; The center of circle of arc drive link 1 overlaps with valve rod 12 centers, and tie rod holes 4 can be smaller like this.In this specific embodiment; Said arc drive link 1 is G shape, and is as shown in Figure 2, and the G shape center of arc drive link 1 (promptly radially the end of vertical part) is fixedly connected with valve rod 12 upper ends; Said arc drive link 1 can be for being wholely set with valve rod 12; Said valve gap 3 bottoms are the tubular that endoporus and valve rod 12 gaps match, and are provided with flange and valve body 9 is tightly connected, and top is flat fan; Inside is provided with fan-shaped cavity volume 5 that the arc drive link 1 with G shape matches and constitutes and supply the arc drive link 1 rotatable space that is not less than 90 degree; The radial sidewalls of fan-shaped cavity volume 5 is provided with tie rod holes 4, and the end of arc drive link 1 passes from tie rod holes 4, and the said part arc drive link 1 that from tie rod holes 4, passes is arranged with metal bellows 6; Said metal bellows 6 one ends and tie rod holes 4 are tightly connected, and the other end is enclosed in tie rod holes 4 wherein and is tightly connected with valve gap 3.Operation for ease is provided with one section column crank 7 parallel with valve rod 12 in arc drive link 1 end of exposing.
Claims (2)
1. full-seal zero-leakage ball valve; Include valve gap, valve body, spheroid, valve seat and valve rod; Spheroid is arranged in the valve pocket, and valve seat is arranged on the both sides of spheroid, and the valve rod lower end is passed in valve rod hole to the valve pocket on the valve body and is connected with spheroid; It is characterized in that: said full-seal zero-leakage ball valve is provided with at least the arc drive link greater than 90 degree arc length; Said arc drive link one end is fixedly connected with valve rod through joint radially, and said valve gap integral body is the case shape valve rod and arc drive link are wrapped in wherein, and said bonnet lower is connected with valve seal; The position corresponding with the arc drive link is provided with its rotatable space that is not less than 90 degree of confession that matches with said arc drive link on the valve gap; Said space and the relative radial sidewalls of the said arc drive link the other end are provided with tie rod holes, and this end end of said arc drive link passes from tie rod holes, and the said part arc drive link that from tie rod holes, passes is arranged with metal bellows; Said metal bellows one end and connecting rod are tightly connected, and the other end is enclosed in tie rod holes wherein and is connected with valve bonnet seal.
2. full-seal zero-leakage ball valve according to claim 1; It is characterized in that: said arc drive link is a G shape, and the G shape center of arc drive link is fixedly connected with the valve rod upper end, and said bonnet lower is the tubular that endoporus and valve lever clearance match; And be provided with flange and be connected with valve seal; Top is flat fan, and inside is provided with the fan-shaped cavity volume that the arc drive link with G shape matches, and the radial sidewalls of fan-shaped cavity volume is provided with tie rod holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110200573 CN102278494B (en) | 2011-07-15 | 2011-07-15 | Completely-sealed zero-leakage ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110200573 CN102278494B (en) | 2011-07-15 | 2011-07-15 | Completely-sealed zero-leakage ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102278494A CN102278494A (en) | 2011-12-14 |
| CN102278494B true CN102278494B (en) | 2012-12-05 |
Family
ID=45104117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110200573 Active CN102278494B (en) | 2011-07-15 | 2011-07-15 | Completely-sealed zero-leakage ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102278494B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799590A (en) * | 2018-08-23 | 2018-11-13 | 江苏诚功阀门科技有限公司 | Seal leakage-free ball valve |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4452426A (en) * | 1982-03-11 | 1984-06-05 | Kerotest Manufacturing Corp. | Bent bellows sealed rotary valve |
| WO1993025804A1 (en) * | 1992-06-10 | 1993-12-23 | Siemens Electric Limited | Internal combustion engine exhaust control valve |
| CN102094984A (en) * | 2010-12-13 | 2011-06-15 | 芜湖博耐尔汽车电气系统有限公司 | Automobile air conditioning heater water valve |
| CN202140602U (en) * | 2011-07-15 | 2012-02-08 | 浙江信泰阀门有限公司 | Fully-sealed and zero-leakage ball valve |
-
2011
- 2011-07-15 CN CN 201110200573 patent/CN102278494B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102278494A (en) | 2011-12-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201448469U (en) | Full lining ceramic ball valve | |
| CN102278494B (en) | Completely-sealed zero-leakage ball valve | |
| CN202140602U (en) | Fully-sealed and zero-leakage ball valve | |
| CN206530730U (en) | A kind of leakage-free ball valve | |
| CN202144877U (en) | Fully-sealed and zero-leakage plug valve | |
| CN102269277B (en) | Full-sealing zero leakage plug valve | |
| CN202074104U (en) | Tank bottom valve | |
| CN208651168U (en) | A kind of oil-free water lubrication screw air compressor | |
| CN202140580U (en) | Omniseal leakage-free butterfly valve | |
| CN101655159A (en) | Full-seal zero-leakage stop valve | |
| CN107575587A (en) | Dust butterfly valve | |
| CN208703134U (en) | A kind of angie type high pressure valve | |
| CN201487240U (en) | Full sealed zero leakage stop valve | |
| CN203717954U (en) | Low-temperature stop valve | |
| CN202992236U (en) | Stop valve used for aircraft fuel oil system | |
| CN210716092U (en) | Low-temperature storage tank three-way switching valve | |
| RU126795U1 (en) | FIVE FLOW BALL VALVE | |
| CN204004475U (en) | A kind of piston type stop valve | |
| CN206802433U (en) | A kind of limit telescopic butterfly valve | |
| CN102230541B (en) | Full-sealing zero leakage butterfly valve | |
| TWM495313U (en) | Vacuum type water tank water replacement device | |
| CN202561116U (en) | Jacket three-way reversing valve | |
| CN204437353U (en) | A kind of ball valve valve rod assembly stopped ball valve and leak | |
| CN203718102U (en) | Conveying pipeline valve actuator utilizing internal pressure of conveying pipeline as power | |
| CN107524856B (en) | A kind of hermetically sealed zero leakage ball valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325204 section of mountain, Central Industrial Zone, Longwan District, Wenzhou, Zhejiang Patentee after: Xintai Valve Co., Ltd. Address before: 325204 section of mountain, Central Industrial Zone, Longwan District, Wenzhou, Zhejiang Patentee before: Zhejiang Xintai Valve Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 325024 the Central Industrial District of Longwan District, Wenzhou, Zhejiang Patentee after: Xintai Valve Group Co.,Ltd. Address before: 325204 section of mountain, Central Industrial Zone, Longwan District, Wenzhou, Zhejiang Patentee before: XINTAI VALVE Co.,Ltd. |
|
| CP03 | Change of name, title or address |