CN102913638B - Pressure vessel valve suitable for automatic locking - Google Patents
Pressure vessel valve suitable for automatic locking Download PDFInfo
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- CN102913638B CN102913638B CN 201210421144 CN201210421144A CN102913638B CN 102913638 B CN102913638 B CN 102913638B CN 201210421144 CN201210421144 CN 201210421144 CN 201210421144 A CN201210421144 A CN 201210421144A CN 102913638 B CN102913638 B CN 102913638B
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- valve
- valve rod
- pin
- annular
- locking bar
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Abstract
The invention relates to a pressure vessel valve capable of avoiding error opening and suitable for automatic blocking, which has the advantages of simple structure and better safety and reliability. The pressure vessel valve comprises a valve body, a valve rod, a locking rod and a hand wheel, wherein the valve rod comprises a conical section and a cylindrical section; the valve body comprises a first cylindrical cavity, a conical cavity and a second cylindrical cavity; the diameter of an upper port of the conical cavity is smaller than that of the second cylindrical cavity to form an annular platform at the bottom of the second cylindrical cavity; a locking groove is formed in the annular platform; a tube body at the middle lower section of the locking rod is arranged on the conical section of the valve rod in a sleeving manner; a pair of waist-shaped holes is radially formed at the middle upper part of the tube body; a spring pin is arranged in a pin hole of the locking rod, and the two ends of the spring pin extend out of the waist-shaped holes; an annular boss is arranged at the bottom of the locking rod, an annular locking pin arranged on the tube body in a sleeving manner is arranged at the upper end of the annular boss, a pressure ring is arranged at the lower end of the spring pin, and a spring is arranged between the pressure ring and the annular locking pin; and a bulge matched with the locking groove is arranged on the lower end surface of the annular lock pin.
Description
The application divides an application, the application number of original application: 201110086790.6, and the applying date: 2011-04-07, invention and created name " being suitable for the pressure container valve of automatic blocking "
Technical field
The present invention relates to a kind of pressure container valve that is suitable for automatic blocking, be applicable to the canister of the liquefaction pressure gases such as liquefied petroleum gas (LPG), coal gas, dimethyl ether, rock gas.
Background technique
Existing pressure container valve comprises: valve body, taper valve rod in valve body and be connected in the handwheel at valve rod top is sealed and matched, the sidewall of valve body is provided with relief opening, the underpart of valve rod is axially arranged with exhaust port, and this exhaust port communicates with the relief opening on the valve rod sidewall; Relief opening on the valve rod sidewall and relief opening on body wall when identical, pressure container valve is in complete opening state, now by described handwheel, during by the valve rod half-twist, can close this valve fully.
The deficiency of the pressure container valve of above-mentioned prior art is: handwheel is subject to artificial or other mode malfunctions and opens by mistake and open, and how to avoid the generation of this situation, is the technical problem that related domain will solve.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of simple in structure, easy to use, reliability better and can avoids opening by mistake the pressure container valve that is suitable for automatic blocking opened.
In order to solve the problems of the technologies described above, the invention provides a kind of pressure container valve that is suitable for automatic blocking, comprising: valve body, be located at valve rod in valve body, be located at the locking bar of valve rod upper end portion and be located at the handwheel at locking bar top; Valve rod comprises: conical section and the cylindrical portion that is connected in this conical section upper end; Valve body comprises: the first cylinder chamber of bottom, coaxial line are located at second cylinder chamber that conical cavity that the conical section with described valve rod is sealed and matched and coaxial line are located at this conical cavity upper end that is suitable for of this first cylinder chamber upper end; The sidewall of conical cavity is provided with relief opening; The diameter of the upper end-hole of conical cavity is less than the diameter of the second cylinder chamber, with the bottom in the second cylinder chamber, forms ring-shaped platform, on this ring-shaped platform, is provided with locking groove; The bottom center of the conical section of valve rod axially is provided with that the sidewall of this conical section is extended in ，Gai exhaust passage, exhaust passage and form an opening on the sidewall of this conical section, and the center of the center of this opening and described relief opening is contour; The top of the cylindrical portion of contiguous described valve rod is provided with pin-and-hole, and the middle hypomere of locking bar is body, and this body is enclosed within on the cylindrical portion of valve rod, and the middle and upper part of this body radially is provided with a pair of waist shaped hole; This is extended to waist shaped hole in the two ends that are provided with spring pin and this spring pin in described pin-and-hole; Annular boss has extended radially outwardly bottom the body of described locking bar, be provided with the annular lock pin be placed on described body in this annular boss upper end, be provided with the trim ring be placed on described body in the lower end of described spring pin, between this trim ring and described annular lock pin, be provided with the spring be placed on described body; The lower end surface of described annular lock pin is provided with and is suitable for the projection matched with described locking groove.
Further, the convex annular edge of table of described locking bar bottom is provided with breach, the radial position of this breach is corresponding with the radial position of projection on described annular lock pin, and described projection matches to downward-extension and through described locking groove after this breach, thereby, when controlling the locking bar rotation by handwheel, described annular lock pin can rotate with locking bar simultaneously.
Further, the body top of described locking bar is coaxially connected with cylinder, the diameter of the top drilling of described nut is greater than the diameter of this cylinder, and be less than the diameter of described body, thereby while needing to open in closed condition at valve, the distance limit that handwheel is upwards promoted to the spacing of the top drilling of nut, forms the limit point of a limit structure on the top of described body.
Further, the length that projection on described annular lock pin is extended the body bottom of described locking bar downwards be less than described waist shaped hole locking bar axially on height, when need opening in closed condition at valve, while upwards carrying to limit point by handwheel, projection on the lock pin bottom surface can spin off the locking groove in the second cylinder chamber of valve body, then above rotate in any direction corresponding angle (best mode is 90 °), can make the relief opening of valve body relative with the opening of exhaust passage in valve rod, also be about to valve and open.
Further, the upper end-hole of the second cylinder chamber of described valve body is provided with nut, to prevent dust, dirt etc., enters; The top drilling of this nut extends in masthead section.
Further, it is a pair of that described locking groove comprises that radial symmetric distributes, and it is a pair of that the projection on the lower end surface of described annular lock pin also comprises that radial symmetric distributes, to improve limit effect; The projection of more number, can bear the impact force while using jointly, guarantees the working life of growing.
Further, when the projection on the lower end surface of described annular lock pin embeds described locking groove, the center line of the opening on described valve rod is vertical with the center line of relief opening on described valve body, with complete valve body.
Technique scheme of the present invention has the following advantages compared to existing technology: in the pressure container valve that is suitable for automatic blocking of the present invention, the second cylinder chamber of valve rod, locking bar, lock pin, spring, valve body etc. form the automatic locking mechanism of pressure container valve.Valve is when complete opening state, and the relief opening of valve body is relative with the open centre line of exhaust passage in valve rod; While needing cut-off valve, only handwheel need be rotated to an angle in any direction (best mode is 90 °), under the effect of spring, projection on the lock pin bottom surface coordinates with the locking groove in the second cylinder chamber of valve body, realize locking (now can hear the Strike note of described projection and locking groove, can facilitate the user to confirm that valve enters blocking).Now, handwheel can't rotate, and can avoid opening by mistake opening.And, when the needs open valve, only handwheel upwards need be carried to limit point, upper rotation corresponding angle (best mode is 90 °) in any direction then, can make the relief opening of valve body relative with the opening of exhaust passage in valve rod, also is about to the valve unlatching.
The accompanying drawing explanation
For content of the present invention is more likely to be clearly understood, below the specific embodiment by reference to the accompanying drawings of basis, the present invention is further detailed explanation, wherein
The cross-sectional view that Fig. 1 is the pressure container valve that is suitable for automatic blocking in embodiment;
The structural representation of the valve body that Fig. 2 is the pressure container valve in Fig. 1;
The local K that Fig. 3 is the pressurized container valve body in Fig. 2 is to view;
The part section structural representation of the valve rod that Fig. 4 is the pressure container valve in Fig. 1;
The valve rod lateral plan that Fig. 5 is the pressure container valve in Fig. 4;
The structural representation that Fig. 6 is the lock pin in Fig. 1;
The radial section figure that Fig. 7 is the lock pin in Fig. 6;
The lateral plan that Fig. 8 is the lock pin in Fig. 6;
The part section structural representation that Fig. 9 is the locking bar in Fig. 1;
The lateral plan that Figure 10 is the locking bar in Fig. 9.
Embodiment
See Fig. 1-10, the pressure container valve that is suitable for automatic blocking of the present embodiment comprises: valve body 1, be located at valve rod 2 in valve body 1, be located at the locking bar 3 of valve rod 2 upper end portions and be located at the handwheel 9 at locking bar 3 tops; Valve rod 2 comprises: conical section 2-1 and the cylindrical portion 2-2 that is connected in this conical section 2-1 upper end; Valve body 1 comprises: the first cylinder chamber 1-1 of bottom, coaxial line are located at the second cylinder chamber 1-3 that conical cavity 1-2 that the conical section 2-1 with described valve rod 2 is sealed and matched and coaxial line are located at this conical cavity 1-2 upper end that is suitable for of this first cylinder chamber 1-1 upper end; The sidewall of conical cavity 1-2 is provided with relief opening 1-4; The diameter of the upper end-hole of conical cavity 1-2 is less than the diameter of the second cylinder chamber 1-3, with the bottom at the second cylinder chamber 1-3, forms ring-shaped platform, is provided with locking groove 1-5 on this ring-shaped platform; The bottom center of the conical section 2-1 of valve rod 2 axially is provided with exhaust passage 2-3, this exhaust passage 2-3 extends the sidewall of this conical section 2-1 and form an opening 2-4 on the sidewall of this conical section 2-1, and this opening 2-4 center and described relief opening 1-4 center contour; The top that is close to the cylindrical portion 2-2 of described valve rod 2 is provided with pin-and-hole 2-5, and the middle hypomere of locking bar 3 is body 3-1, and this body 3-1 is enclosed within on the cylindrical portion 2-2 of valve rod 2, and the middle and upper part of this body 3-1 radially is provided with a pair of waist shaped hole 3-2; This is extended to waist shaped hole 3-2 in the two ends that are provided with spring pin 7 and this spring pin 7 in described pin-and-hole 2-5; Annular boss 3-3 has extended radially outwardly bottom the body 3-1 of described locking bar 3, be provided with the annular lock pin 4 be placed on described body 3-1 in this annular boss 3-3 upper end, be provided with the trim ring 6 be placed on described body 3-1 in the lower end of described spring pin 7, between this trim ring 6 and described annular lock pin 4, be provided with the spring 5 be placed on described body 3-1; The lower end surface of described annular lock pin 4 is provided with and is suitable for the protruding 4-1 matched with described locking groove 1-5.
The edge of the annular boss 3-3 of described locking bar 3 bottoms is provided with breach 3-5, the radial position of this breach 3-5 is corresponding with the radial position of protruding 4-1 on described annular lock pin 4, and described protruding 4-1 matches to downward-extension and through described locking groove 1-5 after this breach 3-5.
The length that protruding 4-1 on described annular lock pin 4 extends the body 3-1 bottom of described locking bar 3 downwards be less than described waist shaped hole 3-2 locking bar 3 axially on height.
The body 3-1 top of described locking bar 3 is coaxially connected with cylinder 3-4, and the diameter of the top drilling of described nut 8 is greater than the diameter of this cylinder 3-4, and is less than the diameter of described body 3-1.
The upper end-hole of the second cylinder chamber 1-3 of described valve body 1 is provided with nut 8, and the top drilling of this nut 8 is extended at bar 3 tops.
It is a pair of that described locking groove 1-5 comprises that radial symmetric distributes, and it is a pair of that the protruding 4-1 on the lower end surface of described annular lock pin 4 also comprises that radial symmetric distributes.
As optimum mode of execution, when the protruding 4-1 on the lower end surface of described annular lock pin 4 embeds described locking groove 1-5, the center line of the opening 2-4 on described valve rod 2 is vertical with the center line of relief opening 1-4 on described valve body 1.
Obviously, above-described embodiment is only for example of the present invention clearly is described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all mode of executions.And these belong to apparent variation that spirit of the present invention extended out or change still among protection scope of the present invention.
Claims (1)
1. a pressure container valve is characterized in that comprising: valve body (1), be located at valve rod (2) in valve body (1), be located at the locking bar (3) of valve rod (2) upper end portion and be located at the handwheel (9) at locking bar (3) top;
Valve rod (2) comprising: conical section (2-1) and be connected in the cylindrical portion (2-2) of this conical section (2-1) upper end;
Valve body (1) comprising: first cylinder chamber (1-1) of bottom, coaxial line are located at second cylinder chamber (1-3) that conical cavity (1-2) that the conical section (2-1) with described valve rod (2) is sealed and matched and coaxial line are located at this conical cavity (1-2) upper end that is suitable for of this first cylinder chamber (1-1) upper end; The sidewall of conical cavity (1-2) is provided with relief opening (1-4); The diameter of the upper end-hole of conical cavity (1-2) is less than the diameter of the second cylinder chamber (1-3), with the bottom in the second cylinder chamber (1-3), forms ring-shaped platform, is provided with locking groove (1-5) on this ring-shaped platform;
The bottom center of the conical section (2-1) of valve rod (2) axially is provided with exhaust passage (2-3), this exhaust passage (2-3) is extended the sidewall of this conical section (2-1) and form an opening (2-4) on the sidewall of this conical section (2-1), and the center of the center of this opening (2-4) and described relief opening (1-4) is contour;
The top of the cylindrical portion (2-2) of contiguous described valve rod (2) is provided with pin-and-hole (2-5), the middle hypomere of locking bar (3) is body (3-1), this body (3-1) is enclosed within on the cylindrical portion (2-2) of valve rod (2), and the middle and upper part of this body (3-1) radially is provided with a pair of waist shaped hole (3-2);
This is extended to waist shaped hole (3-2) in the two ends that are provided with spring pin (7) and this spring pin (7) in described pin-and-hole (2-5);
Annular boss (3-3) has extended radially outwardly bottom the body (3-1) of described locking bar (3), be provided with the annular lock pin (4) be placed on described body (3-1) in this annular boss (3-3) upper end, be provided with the trim ring (6) be placed on described body (3-1) in the lower end of described spring pin (7), be provided with the spring (5) be placed on described body (3-1) between this trim ring (6) and described annular lock pin (4);
The lower end surface of described annular lock pin (4) is provided with and is suitable for the projection (4-1) matched with described locking groove (1-5);
The edge of the annular boss (3-3) of described locking bar (3) bottom is provided with breach (3-5), the radial position of this breach (3-5) is corresponding with the radial position of projection (4-1) on described annular lock pin (4), and described projection (4-1) matches with described locking groove (1-5) to downward-extension and through after this breach (3-5);
Body (3-1) top of described locking bar (3) is coaxially connected with cylinder (3-4);
The upper end-hole of second cylinder chamber (1-3) of described valve body is provided with nut (8), and the diameter of the top drilling of described nut (8) is greater than the diameter of this cylinder (3-4), and is less than the diameter of described body (3-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210421144 CN102913638B (en) | 2011-04-07 | 2011-04-07 | Pressure vessel valve suitable for automatic locking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210421144 CN102913638B (en) | 2011-04-07 | 2011-04-07 | Pressure vessel valve suitable for automatic locking |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110086790 Division CN102207203B (en) | 2011-04-07 | 2011-04-07 | Pressure vessel valve suitable for automatic locking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102913638A CN102913638A (en) | 2013-02-06 |
| CN102913638B true CN102913638B (en) | 2013-12-25 |
Family
ID=47612136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210421144 Expired - Fee Related CN102913638B (en) | 2011-04-07 | 2011-04-07 | Pressure vessel valve suitable for automatic locking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102913638B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU4230378A (en) * | 1978-01-23 | 1979-08-02 | Standadyne Inc. | Valve member with fixed seal shutoff |
| GB2187534A (en) * | 1986-03-01 | 1987-09-09 | Concentric Controls Ltd | Gas taps |
| CN2791407Y (en) * | 2004-11-26 | 2006-06-28 | 北京迪威尔石油天然气技术开发有限公司 | Right-angled rotary cock type floating-ball liquid-level control valve |
| CN2890529Y (en) * | 2005-12-09 | 2007-04-18 | 谢启标 | External engaging gear regulating device for gas control valve |
| CN101144546A (en) * | 2007-09-18 | 2008-03-19 | 虞仕君 | Floating taper cock valve |
| CN201687977U (en) * | 2010-06-04 | 2010-12-29 | 宁波沁园集团有限公司 | Water valve |
-
2011
- 2011-04-07 CN CN 201210421144 patent/CN102913638B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU4230378A (en) * | 1978-01-23 | 1979-08-02 | Standadyne Inc. | Valve member with fixed seal shutoff |
| GB2187534A (en) * | 1986-03-01 | 1987-09-09 | Concentric Controls Ltd | Gas taps |
| CN2791407Y (en) * | 2004-11-26 | 2006-06-28 | 北京迪威尔石油天然气技术开发有限公司 | Right-angled rotary cock type floating-ball liquid-level control valve |
| CN2890529Y (en) * | 2005-12-09 | 2007-04-18 | 谢启标 | External engaging gear regulating device for gas control valve |
| CN101144546A (en) * | 2007-09-18 | 2008-03-19 | 虞仕君 | Floating taper cock valve |
| CN201687977U (en) * | 2010-06-04 | 2010-12-29 | 宁波沁园集团有限公司 | Water valve |
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| Publication number | Publication date |
|---|---|
| CN102913638A (en) | 2013-02-06 |
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Legal Events
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Lina Inventor after: Yao Hongxi Inventor after: Cong Aiguo Inventor before: Cong Aiguo |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: CONG AIGUO TO: WANG LINA YAO HONGXI CONG AIGUO |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NANTONG CHENGPING CONSTRUCTION DEVELOPMENT CO., LT Free format text: FORMER OWNER: CONG AIGUO Effective date: 20140418 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 213022 CHANGZHOU, JIANGSU PROVINCE TO: 226000 NANTONG, JIANGSU PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20140418 Address after: 226000, Jiangsu, Nantong province Tongzhou District Ping Town Industrial Concentration Area Patentee after: Nantong flat Development Co. Ltd. Address before: 213022 Jiangsu province Xinbei District of Changzhou City Long Jin Lu Baicao court 26- Ding No. -701 Patentee before: Cong Aiguo |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20150407 |
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| EXPY | Termination of patent right or utility model |