CN102913636B - Pressure vessel valve capable of avoiding error opening and suitable for automatic blocking - Google Patents
Pressure vessel valve capable of avoiding error opening and suitable for automatic blocking Download PDFInfo
- Publication number
- CN102913636B CN102913636B CN201210419423.8A CN201210419423A CN102913636B CN 102913636 B CN102913636 B CN 102913636B CN 201210419423 A CN201210419423 A CN 201210419423A CN 102913636 B CN102913636 B CN 102913636B
- Authority
- CN
- China
- Prior art keywords
- valve
- valve rod
- pin
- locking bar
- annular
- 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.)
- Expired - Fee Related
Links
- 230000000903 blocking effect Effects 0.000 title claims abstract description 12
- 238000005553 drilling Methods 0.000 claims description 6
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000003915 liquefied petroleum gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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 cylindrical 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 is divisional 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 valve rod sidewall; When the relief opening on valve rod sidewall and relief opening on body wall when identical, pressure container valve is in complete opening state, now during by valve rod half-twist, can close this valve by described handwheel completely.
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 opening.
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 is suitable for the conical cavity that is sealed and matched with the conical section of described valve rod and coaxial line and is located at this conical cavity upper end 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, forms ring-shaped platform with the bottom in the second cylinder chamber, on this ring-shaped platform, is provided with locking groove; The bottom center of the conical section of valve rod is axially provided with exhaust passage, and this exhaust passage is extended the sidewall of this conical section and on the sidewall of this conical section, formed an opening, and the center of this opening and the center of described relief opening 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 the cylindrical portion of valve rod, and the middle and upper part of this body is radially 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 being placed on described body in this annular boss upper end, be provided with the trim ring being 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 being placed on described body; The lower end surface of described annular lock pin is provided with and is suitable for the projection that matches 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 protruding radial position on described annular lock pin, and described projection matches to downward-extension and through described locking groove after this breach, thereby in the time rotating by handwheel control locking bar, described annular lock pin can rotate with locking bar simultaneously.
Further, the length that projection on described annular lock pin is extended the body bottom of described locking bar is downwards less than the height of described waist shaped hole in the axial direction of locking bar, with in the time that valve need to be opened in closed condition, when handwheel is upwards carried to limit point, projection on 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 the exhaust passage in valve rod, also open by valve.
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 in the time that valve need to be opened in closed condition, 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 upper end-hole of the second cylinder chamber of described valve body is provided with nut, to prevent that dust, dirt etc. from entering; The top drilling of this nut extends in masthead portion.
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 use 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 the 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 in the time of complete opening state, and the relief opening of valve body is relative with the open centre line of the 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 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 user to confirm that valve enters blocking).Now, handwheel cannot rotate, and can avoid opening by mistake opening.And in the time of needs open valve, only handwheel upwards need be carried to limit point, 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 the exhaust passage in valve rod, also open by valve.
Brief description of the drawings
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
Fig. 1 is the cross-sectional view of the pressure container valve that is suitable for automatic blocking in embodiment;
Fig. 2 is the structural representation of the valve body of the pressure container valve in Fig. 1;
Fig. 3 is that the local K of the pressurized container valve body in Fig. 2 is to view;
Fig. 4 is the part section structural representation of the valve rod of the pressure container valve in Fig. 1;
Fig. 5 is the valve rod lateral plan of the pressure container valve in Fig. 4;
Fig. 6 is the structural representation of the lock pin in Fig. 1;
Fig. 7 is the radial section figure of the lock pin in Fig. 6;
Fig. 8 is the lateral plan of the lock pin in Fig. 6;
Fig. 9 is the part section structural representation of the locking bar in Fig. 1;
Figure 10 is the lateral plan of 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 is suitable for the conical cavity 1-2 that is sealed and matched with the conical section 2-1 of described valve rod 2 and coaxial line and is located at this conical cavity 1-2 upper end 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, forms ring-shaped platform with the bottom at the second cylinder chamber 1-3, 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 is axially provided with exhaust passage 2-3, this exhaust passage 2-3 extends the sidewall of this conical section 2-1 and on the sidewall of this conical section 2-1, forms an opening 2-4, 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 is radially 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 being placed on described body 3-1 in this annular boss 3-3 upper end, be provided with the trim ring 6 being 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 being 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 that matches 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 the 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 is downwards less than the height of described waist shaped hole 3-2 in the axial direction of locking bar 3.
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 the relief opening 1-4 on described valve body 1.
Obviously, above-described embodiment is only for example of the present invention is clearly 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 without also giving exhaustive to all mode of executions.And these belong to apparent variation that spirit of the present invention extended out or variation still among protection scope of the present invention.
Claims (1)
1. be suitable for a pressure container valve for automatic blocking, it 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 is suitable for the conical cavity (1-2) that is sealed and matched with the conical section (2-1) of described valve rod (2) and coaxial line and is located at this conical cavity (1-2) upper end 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), forms ring-shaped platform with the bottom in the second cylinder chamber (1-3), 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) is axially provided with exhaust passage (2-3), this exhaust passage (2-3) is extended the sidewall of this conical section (2-1) and on the sidewall of this conical section (2-1), is formed an opening (2-4), 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 the cylindrical portion (2-2) of valve rod (2), and the middle and upper part of this body (3-1) is radially 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) being placed on described body (3-1) in this annular boss (3-3) upper end, be provided with the trim ring (6) being 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) being placed on described body (3-1);
The lower end surface of described annular lock pin (4) is provided with and is suitable for the projection (4-1) that matches with described locking groove (1-5);
The length that projection (4-1) on described annular lock pin (4) is extended body (3-1) bottom of described locking bar (3) is downwards less than the height of described waist shaped hole (3-2) in the axial direction of locking bar (3);
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 (1) is provided with nut (8), 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);
When projection (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 the relief opening (1-4) on described valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210419423.8A CN102913636B (en) | 2011-04-07 | 2011-04-07 | Pressure vessel valve capable of avoiding error opening and suitable for automatic blocking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210419423.8A CN102913636B (en) | 2011-04-07 | 2011-04-07 | Pressure vessel valve capable of avoiding error opening and suitable for automatic blocking |
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 |
|---|---|
| CN102913636A CN102913636A (en) | 2013-02-06 |
| CN102913636B true CN102913636B (en) | 2014-09-17 |
Family
ID=47612134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210419423.8A Expired - Fee Related CN102913636B (en) | 2011-04-07 | 2011-04-07 | Pressure vessel valve capable of avoiding error opening and suitable for automatic blocking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102913636B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101144546A (en) * | 2007-09-18 | 2008-03-19 | 虞仕君 | Floating taper cock valve |
-
2011
- 2011-04-07 CN CN201210419423.8A patent/CN102913636B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101144546A (en) * | 2007-09-18 | 2008-03-19 | 虞仕君 | Floating taper cock valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102913636A (en) | 2013-02-06 |
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Owner name: GUANGDONG MEIYAN JIXIANG HYDROPOWER CO., LTD. Free format text: FORMER OWNER: CONG AIGUO Effective date: 20140818 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wen Zengyong Inventor after: Xiong Bing Inventor after: Qiu Xiurong Inventor after: Xie Jingguo Inventor after: Luo Weiming Inventor after: Li Deyin Inventor before: Cong Aiguo |
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Free format text: CORRECT: ADDRESS; FROM: 213000 CHANGZHOU, JIANGSU PROVINCE TO: 514000 MEIZHOU, GUANGDONG PROVINCE Free format text: CORRECT: INVENTOR; FROM: CONG AIGUO TO: WEN ZENGYONG XIONG BING QIU XIURONG XIE JINGGUO LUO WEIMING LI DEYIN |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20140818 Address after: 514000 Meizhou, Meixian Province, the new County along the South Road, No. 1 Applicant after: GUANGDONG MEIYAN JIXIANG HYDROPOWER CO., LTD. Address before: 213000 Jiangsu province Xinbei District of Changzhou City Long Jin Lu Baicao court 26- Ding No. -701 Applicant before: Cong Aiguo |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20170407 |