CN2793460Y - Emergent cut-off valve of gas pipeline - Google Patents
Emergent cut-off valve of gas pipeline Download PDFInfo
- Publication number
- CN2793460Y CN2793460Y CN 200420055881 CN200420055881U CN2793460Y CN 2793460 Y CN2793460 Y CN 2793460Y CN 200420055881 CN200420055881 CN 200420055881 CN 200420055881 U CN200420055881 U CN 200420055881U CN 2793460 Y CN2793460 Y CN 2793460Y
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- CN
- China
- Prior art keywords
- valve
- gas pipeline
- rotary knob
- support
- housing
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model relates to an emergency cut-off safety valve of a gas pipeline, which is composed of a valve body, a shell body, a rotary button, an air inlet, an air outlet, an outlet of a power supply line and screws, wherein the shell body is arranged on the valve body, the shell body and the valve body are sealed by a shell body sealing piece with the outlet of a power supply line, and then are fastened by the screws. The rotary button is arranged on the shell body, and is used for manually opening and closing the valve. The rotary button is fastened on the shell body by a press plate of the rotary button and the screws, and the middle is sealed by a sealing ring. The utility model has the characteristics of reasonable structure, high sealing reliability, electricity saving, fast working speed, strong versatility, long service life, etc.
Description
Technical field
The utility model relates to a kind of valve of gas pipeline, particularly a kind of gas pipeline slam-shut safety valve that is connected with fuel gas alarm.
Background technique
The electromagnetic gas Emergeny Cutoff Valves is the safety installations of gas burning system, is installed in usually on the main line of gas burning system, is connected with fuel gas alarm.Its working principle is as follows: the working state of Emergeny Cutoff Valves is a normally open, when gas leakage takes place, after the alarm perception, will send actuating signal to Emergeny Cutoff Valves, so electromagnetic actuation, its moving iron core and valve rod are thrown off, and valve rod is subjected to the effect of spring force, drive coupled flap valve seat is closed, cut off gas supply.After leakage failure is got rid of, manually upwards spur handle, the passive iron core of valve rod is blocked, thereby recover gas supply.Patent No. ZL03264353.5 standpipe is with electromagnetic type coal gas Emergeny Cutoff Valves, and solve the electromagnetic gas Emergeny Cutoff Valves and can be installed on technical problem on the person in charge, but do not established the manual emergency shut-off means, once alarm is malfunctioning, can't manual-lock.Bellows in the valve insertion (6), spring (13) directly with the certain pressure contacts fuel gas, all contain water molecule owing in the various combustion gas, oxygen molecule and various micro-physics and chemical composition, corrosion metals or attached to its surface has a strong impact on life of valve.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of existing valve, and a kind of sealing reliability height is provided, and manually rotary knob rotarily opens, press by rotary knob close, electrical pulsing signal is closed, gas pipeline slam-shut safety valve easy to maintenance.
The technical solution of the utility model is: a kind of gas pipeline slam-shut safety valve, be by valve body, housing, rotary knob, suction port, air outlet, power line outlet and screw are formed: described valve body is provided with housing, by the housing seal part sealing of band power line outlet, fix by screw again between housing and the valve body; Described housing is provided with rotary knob and is used for the hand switch valve, and is firm on housing by rotary knob pressing plate and screw, middle by seal ring seal; Described rotary knob by the cored screw cylinder, move up and down cylinder, spring, slip screw and form; Described sky must be provided with two vertical notches and two cored screw holes by the spiral cylinder; Described two hard straight trough muzzles are inserted on the inserting column of rotary knob, make rotary knob when rotation drive the rotation of cored screw cylinder or move up and down; Fixedly move up and down cylinder by two slip screws respectively in described two cored screw holes; The described cylinder that moves up and down is provided with spring, and middle by shelves lattice connection valve switch actuator, the lower end cover is pressed on the magnetic conduction chase; That described spring is made is rotatable, two effects of compression, can make the rotary knob rotation or push after reset; Described valve switch actuator is connected with the stifled support of valve through electromagnetic coil support, magnetic conduction chase support, valve pocket sealed support; Described magnetic conduction chase is provided with permanent magnetism conductor, Nd-Fe-B permanent magnet, electromagnetic coil support, riveting on the magnetic conduction chase; Described permanent magnetism conductor is used for adhesive valve switch actuator makes valve opening; Described Nd-Fe-B permanent magnet is through magnetic conduction chase magnetization permanent magnetism conductor, and the strong magnetic attraction that the permanent magnetism conductor is produced blocks up the several times of length of spring compressed power greater than valve; The described electromagnetic coil support that is provided with electromagnetic coil is fixed in the middle of magnetic conduction chase and the magnetic conduction chase support, after the described electromagnetic coil energising, make valve switch actuator produce the magnetic field of repelling each other, make the valve switch actuator of adhesive under the effect of the stifled length of spring compressed power of valve, discharge throttle down with permanent magnetism conductor same polarity; Described valve pocket sealed support is provided with power line and goes out wire casing, seal ring, be pressed on the valve insertion with the stifled rubber bowl of valve and seal, combustion gas and valve pocket sealed support, the stifled spring of valve, valve switch actuator in the valve insertion are isolated to prevent corrosion metals or attached to its surface, to have a strong impact on life of valve; It is that the connection lead of electromagnetic coil connects with fuel gas alarm through going out wire casing to power line outlet that described power line goes out wire casing; Described seal ring is used for sealed valve switch actuator; The stifled support of described valve connects with the stifled rubber bowl casing pressure of valve; Described suction port, air outlet communicate with valve insertion.The utlity model has characteristics such as rational in infrastructure, sealing reliability height, power-saving, operating rate are fast, highly versatile, long lifetime.
Description of drawings
Fig. 1 the utility model valve body plan view.
Fig. 2 the utility model valve body structure schematic representation.
Fig. 3 the utility model rotary knob (3) partly cuts open schematic representation.
Fig. 4 the utility model cored screw cylinder (11) partly cuts open schematic representation.
Fig. 5 the utility model moves up and down cylinder (13) and partly cuts open schematic representation.
The stifled rubber bowl (26) of Fig. 6 the utility model valve partly cuts open schematic representation.
Embodiment
Embodiment's accompanying drawings: a kind of gas pipeline slam-shut safety valve, be by valve body (1), housing (2), rotary knob (3), suction port (4), air outlet (5), power line outlet (7) and screw (6) are formed: described valve body (1) is provided with housing (2),, fixing by screw (6) again between housing (2) and the valve body (1) by the housing seal part sealing (21) of band power line outlet (7); Do not have rotary knob (3) to be used for the hand switch valve on the described housing (2), firm on housing (2) by rotary knob pressing plate (8) and screw, the centre is sealed by seal ring (9); Described rotary knob (3) by cored screw cylinder (11), move up and down cylinder (13), spring (12), slip screw (10) and form; Described sky must be provided with 2 vertical notches and 2 cored screw holes by spiral cylinder (11); Described two hard straight trough muzzles are inserted on the inserting column of rotary knob (3), make rotary knob (3) when rotation drive cored screw cylinder (11) and rotate or move up and down; Fixedly move up and down cylinder (13) by two slip screws (10) respectively in described two cored screw holes; The described cylinder (13) that moves up and down is provided with spring (12), and middle by shelves lattice connection valve switch actuator (17), the lower end cover is pressed on the magnetic conduction chase (16); That described spring (12) is made is rotatable, two effects of compression, rotary knob (3) is rotated or push after reset; Described valve switch actuator (17) is connected with the stifled support (25) of valve through electromagnetic coil support (15), magnetic conduction chase support (20), valve pocket sealed support (22); Described magnetic conduction chase (16) is provided with permanent magnetism conductor (14), Nd-Fe-B permanent magnet (19), electromagnetic coil support (15), riveting on magnetic conduction chase (20); Described permanent magnetism conductor (14) is used for adhesive valve switch actuator (17) makes valve opening; Described Nd-Fe-B permanent magnet (19) is through magnetic conduction chase (16) magnetization permanent magnetism conductor (14), and the strong magnetic attraction that permanent magnetism conductor (14) is produced blocks up the several times of spring (24) compressive force greater than valve; It is middle with magnetic conduction chase support (20) that the described electromagnetic coil support (15) that is provided with electromagnetic coil (18) is fixed on magnetic conduction chase (16), after described electromagnetic coil (18) energising, make valve switch actuator (17) produce the magnetic field of repelling each other, make the valve switch actuator (17) of adhesive under the effect of stifled spring (24) compressive force of valve, discharge throttle down with permanent magnetism conductor (14) same polarity; Described valve pocket sealed support (22) is provided with power line and goes out wire casing, seal ring (23), be pressed on valve insertion (27) with the stifled rubber bowl (26) of valve and go up sealing, the combustion gas of valve insertion (27) lining is isolated to prevent corrosion metals or attached to its surface, to have a strong impact on life of valve with valve pocket sealed support (22), stifled spring (24) the valve switch actuator (17) of valve; It is that the connection lead of electromagnetic coil (18) connects with fuel gas alarm through going out wire casing to power line outlet (7) that described power line goes out wire casing; Described seal ring (23) is used for sealed valve switch actuator (17); Described valve blocks up support (25) and connects with stifled rubber bowl (26) casing pressure of valve; Described suction port (4), air outlet (5) communicate with valve insertion (27).The utlity model has characteristics such as rational in infrastructure, sealing reliability height, power-saving, operating rate are fast, highly versatile, long lifetime.
Claims (6)
1. gas pipeline slam-shut safety valve, it is characterized in that: it is by valve body (1), housing (2), rotary knob (3), suction port (4), air outlet (5), power line outlet (7) and screw (6) are formed: described valve body (1) is provided with housing (2),, fixing by screw (6) again between housing (2) and the valve body (1) by the housing seal part sealing (21) of band power line outlet (7); Described housing (2) is provided with rotary knob (3) and is used for the hand switch valve, and is firm on housing (2) by rotary knob pressing plate (8) and screw, and the centre is sealed by seal ring (9).
2. gas pipeline slam-shut safety valve according to claim 1 is characterized in that: described rotary knob (3) by cored screw cylinder (11), move up and down cylinder (13), spring (12), slip screw (10) and form; Described cored screw cylinder (11) is provided with 2 vertical notches and 2 cored screw holes; Described two hard straight trough muzzle Inserted make rotary knob (3) when rotation drive cored screw cylinder (11) and rotate or move up and down on the inserting column of rotary knob (3); Fixedly move up and down cylinder (13) by two slip screws (10) respectively in described two cored screw holes; The described cylinder (13) that moves up and down is provided with spring (12), and middle by shelves lattice connection valve switch actuator (17), the lower end cover is pressed on the magnetic conduction chase (16).
3. gas pipeline slam-shut safety valve according to claim 2 is characterized in that: described valve switch actuator (17) is connected with the stifled support (25) of valve through electromagnetic coil support (15), magnetic conduction chase support (20), valve pocket sealed support (22); Described magnetic conduction chase (16) is provided with permanent magnetism conductor (14), Nd-Fe-B permanent magnet (19), electromagnetic coil support (15), riveting on magnetic conduction chase (20).
4. gas pipeline slam-shut safety valve according to claim 3 is characterized in that: described valve pocket sealed support (22) is provided with power line and goes out wire casing, seal ring (23), is pressed on valve insertion (27) with the stifled rubber bowl (26) of valve and goes up sealing.
5. gas pipeline slam-shut safety valve according to claim 4 is characterized in that: it is that the connection lead of electromagnetic coil (18) connects with fuel gas alarm through going out wire casing to power line outlet (7) that described power line goes out wire casing; Described seal ring (23) is used for sealed valve switch actuator (17).
6. gas pipeline slam-shut safety valve according to claim 5 is characterized in that: described valve blocks up support (25) and connects with stifled rubber bowl (26) casing pressure of valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420055881 CN2793460Y (en) | 2004-12-20 | 2004-12-20 | Emergent cut-off valve of gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420055881 CN2793460Y (en) | 2004-12-20 | 2004-12-20 | Emergent cut-off valve of gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2793460Y true CN2793460Y (en) | 2006-07-05 |
Family
ID=36820605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420055881 Expired - Fee Related CN2793460Y (en) | 2004-12-20 | 2004-12-20 | Emergent cut-off valve of gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2793460Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595380A (en) * | 2019-01-16 | 2019-04-09 | 王春燕 | A kind of fuel gas pipeline valve |
-
2004
- 2004-12-20 CN CN 200420055881 patent/CN2793460Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595380A (en) * | 2019-01-16 | 2019-04-09 | 王春燕 | A kind of fuel gas pipeline valve |
| CN109595380B (en) * | 2019-01-16 | 2019-11-15 | 王春燕 | A kind of fuel gas pipeline valve |
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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 |