CN2580210Y - Quick open door type safety interlocking device of pressure container - Google Patents
Quick open door type safety interlocking device of pressure container Download PDFInfo
- Publication number
- CN2580210Y CN2580210Y CN 02258370 CN02258370U CN2580210Y CN 2580210 Y CN2580210 Y CN 2580210Y CN 02258370 CN02258370 CN 02258370 CN 02258370 U CN02258370 U CN 02258370U CN 2580210 Y CN2580210 Y CN 2580210Y
- Authority
- CN
- China
- Prior art keywords
- lock pin
- push rod
- main
- container
- lockhole
- Prior art date
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- Expired - Fee Related
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- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model relates to a safety device of a pressure container, particularly a quick open door type safety interlocking device of the pressure container. The utility model comprises a main valve, the front end of a columnar valve core of which is connected with a main lock pin through a main push rod. A main locking hole and a movable locking hole corresponding to the main lock pin are arranged on a fixed flange of a container port and a rotary flange of a container door (cap). An air inlet of the main valve is communicated with an inner chamber of the pressure container, and an air outlet of the main valve is divided into two paths. One path is communicated with an exhaust pipe, the other path is communicated with a pressure amplifier, and the inner chamber of which is provided with a piston piece which can be moved back and forth. The piston piece is fixedly connected with an auxiliary push rod, on which a compression spring is sheathed. The front end of the auxiliary push rod is provided with an auxiliary lock pin, and an auxiliary locking hole and the movable locking hole, which correspond to the auxiliary lock pin are arranged on the fixed flange and the rotary flange. The main lock pin and the main valve are linked by the utility model, and the auxiliary lock pin is directly controlled by the internal pressure of the container. The utility model has the advantages of reliable interlocking and convenient installation and operation.
Description
Technical field
The utility model relates to a kind of safety installations of pressurized container, particularly a kind of safety interlock device of fast opening type pressure container.
Background technique
According to relevant full standard, in the fast opening type pressure container working procedure, its container door (lid) must be closed the rear energy booste operation that puts in place, and after the pressurized container internal pressure discharged fully, its container door (lid) just can be opened.In order to satisfy above-mentioned requirements, must adopt interlock, fast opening type pressure container generally adopts revolving container door (lid), and to this, existing safety interlock ubiquity troublesome poeration, the defective such as unreliable of interlocking.
Summary of the invention
Technical problem to be solved in the utility model is that a kind of fitting operation convenience, the reliable safety interlock device of fast opening type pressure container of interlocking are provided.
Safety interlock device of fast opening type pressure container of the present utility model is installed on the shell of pressurized container, it includes a main valve, the spool of main valve is a cylindrical spool that seesaws, the cylindrical spool front end is connected with a main lock pin by a primary push rod, main lock pin is inserted in the main lockhole on the vessel port fastening flange, and also have on the rotary flange of container door (lid) and the corresponding movable lockhole in main lockhole position, when container door (lid) when rotary closing puts in place, main lock pin can move forward insertion activity lockhole, the suction port of main valve communicates with the pressurized container inner chamber, the air outlet of main valve is divided into two-way, one tunnel logical outlet pipe, another road leads to a pressure amplifier, this pressure amplifier has the inner chamber of a sealing, a piston sheet that can move forward under air pressure promotes is arranged in inner chamber, this piston sheet is fixedlyed connected with a secondary push rod, also be with a pressure spring on the secondary push rod, it can press secondary push rod and move backward, secondary push rod front end is equipped with a secondary lock pin, secondary lock pin is inserted in the secondary lockhole on the said fixing flange, and on above-mentioned rotary flange, also have and the corresponding movable lockhole in secondary lockhole position, when container door (lid) when rotary closing puts in place, secondary lock pin can move forward the corresponding with it movable lockhole of insertion.
Seesawing of cylindrical spool can be by the control of hand wheel in the above-mentioned main valve, cooperates by a leading screw and nut mechanism between this hand wheel and the primary push rod.
The available elastic film of piston sheet in the above-mentioned pressure amplifier replaces, and this elastic film edge is fixed, and its middle part is connected with secondary push rod, and it also can drive secondary push rod and move forward under air pressure promotes.
Main lock pin and main valve interlock in the whole device of the utility model, the direct receptor internal pressure control of secondary lock pin, its interlocking is reliable, and fitting operation is convenient.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the pressure amplifier of another kind of form.
Embodiment
As shown in Figure 1, safety interlock device of fast opening type pressure container of the present utility model includes a main valve 1, cylindrical spool 2 in the main valve can seesaw, the cylindrical spool front end is connected with main lock pin 4 by a primary push rod 3, have and corresponding main lockhole 7 of main lock pin and movable lockhole 8 on the rotary flange 6 of the fastening flange 5 of vessel port and container door (lid), moving forward and backward of cylindrical spool 2 is to realize by the leading screw and nut mechanism between hand wheel 18 and the primary push rod 3 19.The suction port 9 of main valve 1 communicates with the pressurized container inner chamber, the air outlet 10 of main valve is divided into two-way, one tunnel logical outlet pipe 11, another road leads to pressure amplifier 12, piston sheet 13 in this pressure amplifier inner chamber and the secondary push rod 14 that is connected with the piston sheet can move forward under air pressure promotes, also be with pressure spring 15 on the secondary push rod 14, it can press secondary push rod and move backward, secondary push rod front end is secondary lock pin 16, also has on fastening flange 5 and rotary flange 6 and secondary lock pin 16 corresponding secondary lockhole 17 and movable lockholes 8.
As shown in Figure 2, the piston sheet 13 in the pressure amplifier 12 can replace with an elastic film 20, and the elastic film middle part is connected with secondary push rod 14, and can move forward by the secondary push rod of drive under air pressure promotes.
Working procedure of the present utility model is as follows: the pressure process of one, closing the door, at first container door (lid) rotary closing is put in place, then main valve 1 is closed, begin air inlet pressurization in the container, this moment, main lock pin 4 was inserted into forward in the movable lockhole 8 with moving of main valve cylindrical spool 2, with rotary flange 6 lockings, container door (lid) can't be opened, if main lock pin 4 does not move into place, then the position of cylindrical spool 2 makes main valve 1 be in the exhaust opening state, thereby can't pressurize; Two, the exhaust process of opening the door, at first main valve 1 is opened, carry out exhaust, main lock pin 4 moved backward with cylindrical spool 2 and extracted movable lockhole 8 this moment, gas in the container is discharged by outlet pipe 11, when gas does not empty to safety pressure, its pressure is passed to piston sheet 13 or the elastic film 20 in the pressure amplifier 12, secondary push rod 14 and secondary lock pin 16 are moved forward, secondary lock pin 16 is inserted in the corresponding movable lockhole 8, with rotary flange 6 lockings, container door this moment (lid) can't be opened, and after gas emptied to safety pressure in container, secondary lock pin 16 and secondary push rod 14 resetted under the effect of stage clip 15, this moment, just rotatable rotary flange 6 was opened container door (lid).
Claims (3)
1, a kind of safety interlock device of fast opening type pressure container, it is installed on the shell of pressurized container, it is characterized in that: it includes a main valve (1), the spool of main valve is a cylindrical spool that seesaws (2), the cylindrical spool front end is connected with a main lock pin (4) by a primary push rod (3), main lock pin is inserted in the main lockhole (7) on the vessel port fastening flange (5), and have on the rotary flange (6) of container door (lid) one with the corresponding movable lockhole in main lockhole position (8), when container door (lid) when rotary closing puts in place, main lock pin (4) can move forward insertion activity lockhole (8), the suction port of main valve (9) communicates with the pressurized container inner chamber, the air outlet of main valve (10) is divided into two-way, one tunnel logical outlet pipe (11), another road leads to a pressure amplifier (12), this pressure amplifier has the inner chamber of a sealing, a piston sheet (13) that can move forward under air pressure promotes is arranged in inner chamber, this piston sheet is fixedlyed connected with a secondary push rod (14), also be with a pressure spring (15) on the secondary push rod, it can press secondary push rod and move backward, secondary push rod (14) front end is equipped with a secondary lock pin (16), secondary lock pin is inserted in the secondary lockhole (17) on the said fixing flange (5), and on above-mentioned rotary flange (8), also have one with secondary lockhole (17) the corresponding movable lockhole in position (8), when container door (lid) when rotary closing puts in place, secondary lock pin (16) can move forward and be inserted in the corresponding with it movable lockhole (8).
2, safety interlock device of fast opening type pressure container according to claim 1, it is characterized in that: seesawing of cylindrical spool (2) can be by a hand wheel (18) control in the above-mentioned main valve (1), cooperates by a leading screw and nut mechanism (19) between this hand wheel (18) and the primary push rod (3).
3, safety interlock device of fast opening type pressure container according to claim 1 and 2, it is characterized in that: the piston sheet (13) in the described pressure amplifier (12) is replaced by an elastic film (20), this elastic film edge is fixed, its middle part is connected with secondary push rod (14), and it can drive secondary push rod and move forward under air pressure promotes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02258370 CN2580210Y (en) | 2002-11-07 | 2002-11-07 | Quick open door type safety interlocking device of pressure container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02258370 CN2580210Y (en) | 2002-11-07 | 2002-11-07 | Quick open door type safety interlocking device of pressure container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2580210Y true CN2580210Y (en) | 2003-10-15 |
Family
ID=33726121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02258370 Expired - Fee Related CN2580210Y (en) | 2002-11-07 | 2002-11-07 | Quick open door type safety interlocking device of pressure container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2580210Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941295A (en) * | 2017-11-22 | 2018-04-20 | 重庆陆吾科技有限公司 | A kind of gas meter explosion-protection equipment simple in structure |
-
2002
- 2002-11-07 CN CN 02258370 patent/CN2580210Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941295A (en) * | 2017-11-22 | 2018-04-20 | 重庆陆吾科技有限公司 | A kind of gas meter explosion-protection equipment simple in structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |