CN201973270U - Valve suitable for automatic blocking pressure vessel - Google Patents
Valve suitable for automatic blocking pressure vessel Download PDFInfo
- Publication number
- CN201973270U CN201973270U CN2011200996334U CN201120099633U CN201973270U CN 201973270 U CN201973270 U CN 201973270U CN 2011200996334 U CN2011200996334 U CN 2011200996334U CN 201120099633 U CN201120099633 U CN 201120099633U CN 201973270 U CN201973270 U CN 201973270U
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- China
- Prior art keywords
- valve
- valve rod
- pin
- lock pin
- locking bar
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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.)
- Expired - Fee Related
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Abstract
The utility model relates to a valve suitable for an automatic blocking pressure vessel, which has a simple structure and better safety and reliability and can avoid mistaken opening. The valve comprises a valve body, a valve rod, a lock rod and a hand wheel, wherein the valve rod comprises a tapered section and a cylindrical section; the valve body comprises a first cylindrical cavity, a tapered cavity and a second cylindrical cavity; the diameter of an upper port of the tapered cavity is smaller than the diameter of the second cylindrical cavity, so as to form an annular platform at the bottom of the second cylindrical cavity; a blocking groove is arranged on the annular platform; a pipe body at the middle lower section of the lock rod is sheathed on the cylindrical section of the valve rod; a pair of waist-shaped holes is arranged at the middle upper part of the pipe body in the radial direction; a pin hole of the lock rod is internally provided with a spring pin; two ends of the spring pin stretch out of the waist-shaped holes; an annular boss is arranged at the bottom of the lock rod; an annular lock pin sheathed on the pipe body is arranged at the upper end of the annular boss; a pressing ring is arranged at the lower end of the spring pin; a spring is arranged between the pressing ring and the annular lock pin; and a bulge matched with the blocking groove is arranged on the lower end surface of the annular lock pin.
Description
Technical field
The utility model relates to a kind of pressurized container valve that is suitable for automatic blocking, is applicable to the canister of liquefaction pressure gases such as liquefied petroleum gas (LPG), coal gas, dimethyl ether, rock gas.
Background technique
Existing pressurized container valve comprises: valve body, be sealed and matched in valve body the taper valve rod and be connected in the handwheel at valve rod top, 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 relief opening on the valve rod sidewall; Relief opening on the relief opening on the valve rod sidewall and body wall when identical, the pressurized container valve is in the complete opening state, during with the valve rod half-twist, can close this valve by described handwheel fully this moment.
The deficiency of the pressurized container valve of above-mentioned prior art is: handwheel is subject to artificial or other mode malfunctions and opening by mistake are opened, and how to avoid the generation of this situation, is the technical problem that related domain will solve.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of simple in structure, easy to use, reliability better and can avoid opening by mistake the pressurized container valve that is suitable for automatic blocking that opens.
In order to solve the problems of the technologies described above, the utility model provides a kind of pressurized container valve that is suitable for automatic blocking, comprising: valve body, be located at valve rod in the 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: 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 forms ring-shaped platform less than the diameter of second cylinder chamber with the bottom in second cylinder chamber, is provided with locking groove on this ring-shaped platform; The bottom center of the conical section of valve rod axially is provided with the exhaust passage, and this exhaust passage is extended the sidewall of this conical section 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 a 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 the described pin-and-hole; Annular boss has extended radially outwardly bottom the body of described locking bar, be provided with the annular lock pin that is placed on the described body in this annular boss upper end, be provided with the trim ring that is placed on the described body in the lower end of described spring pin, between this trim ring and described annular lock pin, be provided with the spring that is placed on the 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 the projection on the radial position of this breach and the described annular lock pin is corresponding, and described projection extend downwards and pass this breach after described locking groove match, thereby by the rotation of handwheel control locking bar the time, described annular lock pin can rotate with locking bar simultaneously.
Further, projection on the described annular lock pin extend downwards described locking bar body bottom length less than described waist shaped hole locking bar axially on height, when needing to open to be in closed condition at valve, when upwards carrying handwheel to spacing, projection on the lock pin bottom surface can spin off from the locking groove in second cylinder chamber of valve body, go up rotation corresponding angle (best mode is 90 °) then in any direction, the opening of the exhaust passage in the relief opening that can make valve body and the valve rod is relative, also is about to opening of valves.
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 less than the diameter of described body, thereby be in closed condition and when need opening at valve, the distance limit that handwheel is upwards promoted to the spacing of the top drilling of nut, promptly constitutes the spacing point of a limit structure on the top of described body.
Further, the upper end-hole of second cylinder chamber of described valve body is provided with nut, enters to prevent dust, dirt etc.; 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 comprises that also radial symmetric distributes, to improve limit effect; The projection of more number can be born the impact force when using jointly, guarantees long working life.
Further, when the projection on the lower end surface of described annular lock pin embedded described locking groove, the center line of the relief opening on the center line of the opening on the described valve rod and the described valve body was vertical, with complete valve body.
Technique scheme of the present utility model has the following advantages compared to existing technology: in the pressurized container valve that is suitable for automatic blocking of the present utility model, second cylinder chamber of valve rod, locking bar, lock pin, spring, valve body etc. constitute the automatic locking mechanism of pressurized container valve.When valve was in the complete opening state, the open centre line of the exhaust passage in the relief opening of valve body and the valve rod was relative; When needing cut-off valve, only need handwheel is rotated to an angle in any direction (best mode is 90 °), under the effect of spring, projection on the lock pin bottom surface promptly cooperates with locking groove in second cylinder chamber of valve body, promptly realize locking (can hear the Strike note of described projection and locking groove this moment, can make things convenient for the user to confirm that valve enters blocking).At this moment, handwheel can't rotate, and can avoid opening by mistake opening.And when the needs open valve, only need handwheel is upwards carried to spacing point, go up rotation corresponding angle (best mode is 90 °) then in any direction, the opening of the exhaust passage in the relief opening that can make valve body and the valve rod is relative, also opening of valves soon.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, below the specific embodiment and in conjunction with the accompanying drawings of basis, the utility model is described in further detail, wherein
Fig. 1 is the cross-sectional view of the pressurized container valve that is suitable for automatic blocking among the embodiment;
Fig. 2 is the structural representation of the valve body of the pressurized container valve among Fig. 1;
Fig. 3 is that the local K of the pressurized container valve body among Fig. 2 is to view;
Fig. 4 is the part section structural representation of the valve rod of the pressurized container valve among Fig. 1;
Fig. 5 is the valve rod lateral plan of the pressurized container valve among Fig. 4;
Fig. 6 is the structural representation of the lock pin among Fig. 1;
Fig. 7 is the radial section figure of the lock pin among Fig. 6;
Fig. 8 is the lateral plan of the lock pin among Fig. 6;
Fig. 9 is the part section structural representation of the locking bar among Fig. 1;
Figure 10 is the lateral plan of the locking bar among Fig. 9.
Embodiment
See Fig. 1-10, the pressurized container valve that is suitable for automatic blocking of present embodiment comprises: valve body 1, be located at valve rod 2 in the 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 forms ring-shaped platform less than the diameter of the second cylinder chamber 1-3 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 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 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, 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 the 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 that is placed on the described body 3-1 in this annular boss 3-3 upper end, be provided with the trim ring 6 that is placed on the 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 that is placed on the 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 protruding 4-1 on the radial position of this breach 3-5 and the described annular lock pin 4 is corresponding, and described protruding 4-1 extend downwards and pass this breach 3-5 after described locking groove 1-5 match.
Protruding 4-1 on the described annular lock pin 4 extend downwards described locking bar 3 body 3-1 bottom length less than described waist shaped hole 3-2 locking bar 3 axially on height.
The body 3-1 of described locking bar 3 top 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 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 comprises that also radial symmetric distributes.
As the mode of execution of optimum, when the protruding 4-1 on the lower end surface of described annular lock pin 4 embedded described locking groove 1-5, the center line of the relief opening 1-4 on the center line of the opening 2-4 on the described valve rod 2 and the described valve body 1 was vertical.
Claims (7)
1. pressurized container valve that is suitable for automatic blocking is characterized in that comprising: valve body (1), be located at valve rod (2) in the 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) forms ring-shaped platform less than the diameter of second cylinder chamber (1-3) with the bottom in 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) 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 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 the 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) that is placed on the described body (3-1) in this annular boss (3-3) upper end, be provided with the trim ring (6) that is placed on the 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) that is placed on the 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).
2. the pressurized container valve that is suitable for automatic blocking according to claim 1, it is characterized in that: the edge of the annular boss (3-3) of described locking bar (3) bottom is provided with breach (3-5), the radial position of the projection (4-1) on the radial position of this breach (3-5) and the described annular lock pin (4) is corresponding, and described projection (4-1) is extended downwards and passed this breach (3-5) described locking groove in back (1-5) and match.
3. the pressurized container valve that is suitable for automatic blocking according to claim 1 is characterized in that: the projection (4-1) on the described annular lock pin (4) extend downwards described locking bar (3) body (3-1) bottom length less than described waist shaped hole (3-2) locking bar (3) axially on height.
4. the pressurized container valve that is suitable for automatic blocking according to claim 1, it is characterized in that: body (3-1) top of described locking bar (3) is coaxially connected with cylinder (3-4), the diameter of the top drilling of described nut (8) is greater than the diameter of this cylinder (3-4), and less than the diameter of described body (3-1).
5. the pressurized container valve that is suitable for automatic blocking according to claim 1 is characterized in that: the upper end-hole of 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) top.
6. according to the described pressurized container valve that is suitable for automatic blocking of one of claim 1-5, it is characterized in that: it is a pair of that described locking groove (1-5) comprises that radial symmetric distributes, and it is a pair of that the projection (4-1) on the lower end surface of described annular lock pin (4) comprises that also radial symmetric distributes.
7. the pressurized container valve that is suitable for automatic blocking according to claim 1, it is characterized in that: when the projection (4-1) on the lower end surface of described annular lock pin (4) embedded described locking groove (1-5), the center line of the relief opening (1-4) on the center line of the opening (2-4) on the described valve rod (2) and the described valve body (1) was vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200996334U CN201973270U (en) | 2011-04-07 | 2011-04-07 | Valve suitable for automatic blocking pressure vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200996334U CN201973270U (en) | 2011-04-07 | 2011-04-07 | Valve suitable for automatic blocking pressure vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201973270U true CN201973270U (en) | 2011-09-14 |
Family
ID=44578373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200996334U Expired - Fee Related CN201973270U (en) | 2011-04-07 | 2011-04-07 | Valve suitable for automatic blocking pressure vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201973270U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207203A (en) * | 2011-04-07 | 2011-10-05 | 丛爱国 | Pressure vessel valve suitable for automatic locking |
| CN114198562A (en) * | 2021-12-14 | 2022-03-18 | 李周滔 | Pressure vessel valve |
-
2011
- 2011-04-07 CN CN2011200996334U patent/CN201973270U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207203A (en) * | 2011-04-07 | 2011-10-05 | 丛爱国 | Pressure vessel valve suitable for automatic locking |
| CN102207203B (en) * | 2011-04-07 | 2012-12-19 | 丛爱国 | Pressure vessel valve suitable for automatic locking |
| CN114198562A (en) * | 2021-12-14 | 2022-03-18 | 李周滔 | Pressure vessel valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20130407 |