CN103883761B - Manual vessel valve - Google Patents

Manual vessel valve Download PDF

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Publication number
CN103883761B
CN103883761B CN201410073214.1A CN201410073214A CN103883761B CN 103883761 B CN103883761 B CN 103883761B CN 201410073214 A CN201410073214 A CN 201410073214A CN 103883761 B CN103883761 B CN 103883761B
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CN
China
Prior art keywords
valve
cylinder
valve assembly
valve body
joint
Prior art date
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Active
Application number
CN201410073214.1A
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Chinese (zh)
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CN103883761A (en
Inventor
翁国栋
石瑞君
夏忠星
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO SUNAN VALVE MANUFACTURE CO Ltd
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NINGBO SUNAN VALVE MANUFACTURE CO Ltd
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Application filed by NINGBO SUNAN VALVE MANUFACTURE CO Ltd filed Critical NINGBO SUNAN VALVE MANUFACTURE CO Ltd
Priority to CN201410073214.1A priority Critical patent/CN103883761B/en
Publication of CN103883761A publication Critical patent/CN103883761A/en
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Publication of CN103883761B publication Critical patent/CN103883761B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/10Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
    • F16K11/20Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
    • F16K11/22Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with an actuating member for each valve, e.g. interconnected to form multiple-way valves
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C13/00Portable extinguishers which are permanently pressurised or pressurised immediately before use
    • A62C13/76Details or accessories
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/02Construction of housing; Use of materials therefor of lift valves
    • F16K27/0263Construction of housing; Use of materials therefor of lift valves multiple way valves

Abstract

The invention discloses a kind of manual vessel valve, comprise handle (1), pilot valve assembly, valve body (23) and two groups of cylinder valve assemblies, be respectively the first cylinder valve assembly and the second cylinder valve assembly, these two groups of cylinder valve assemblies are installed in valve body (23), the bottom of valve body (23) is provided with the second gas cylinder suction port I (8) of being all communicated with the second gas cylinder with the second gas cylinder suction port II (14) and be communicated with the first gas cylinder suction port (12) with the first gas cylinder, first gas cylinder suction port (12) and and be positioned between the second gas cylinder suction port I (8) and the second gas cylinder suction port II (14), first gas cylinder is positioned at the second gas cylinder internal.After adopting this structure, due to two groups of cylinder valves are combined, be arranged in atmospheric by small gas cylinder, and controlled the opening and closing of two groups of cylinder valves by a valve control device simultaneously, therefore, whole vessel valve volume compact, structure are simple, thus greatly reduce manufacture cost.

Description

Manual vessel valve
Technical field
The present invention relates to the technical field of valve, is specifically a kind of manual vessel valve of gas extinguishing system.
Background technique
The effect of vessel valve is, is used at ordinary times sealing extinguishing agent up for safekeeping, opens and discharge extinguishing agent when fire alarm.In usual gas extinguishing system, the kind of extinguishing agent has various ways: single extinguishing agent, two kinds of mixing extinguishing agents and multiple mixing extinguishing agent, therefore, the kind of extinguishing agent mixing is more, and corresponding supporting bottle group, the valve controlling extinguishing agent gas and pipeline will be more.Such as control the valve of two kinds of extinguishing agent gas and vapor permeation fire extinguishings, with the gas extinguishing system of prior art, it needs two groups of control system formed for the manually operated valve controlled during cylinder filling extinguishing agent gas, during work, need the manual vessel valve simultaneously opening two groups of extinguishing agent gas compositions, just can reach fire extinguishing object.
But there is following shortcoming in the manual vessel valve of the fire-fighting equipment of above-mentioned this structure:
1) because the extinguishing agent of this fire-smothering gear is made up of two groups of extinguishing agents, need valve and the pipeline facilities thereof of corresponding supporting two groups of gas cylinders, multiple control extinguishing agent gas, therefore, the control system volume of whole vessel valve is large, complex structure, thus manufacture cost is high;
2) simultaneously, the component related to due to this structure are numerous, and therefore, through the accumulation of error, the functional reliability of this control system is poor, stability is also poor;
3) in addition, when valve open is put out a fire, the same time is needed to open the extinguishing agent gas of two groups of vessel valves controls, therefore, a people can not complete, if come by two people, be difficult to synchronously carry out, like this, the fire-fighting equipment being equipped with this control system does not reach the optimum efficiency of fire extinguishing yet.
Summary of the invention
Technical problem to be solved by this invention is, provides that a kind of structure is simple, volume is little, stable performance, easy to operate, and can spray two kinds of extinguishing agent gases simultaneously thus reach the manual vessel valve of best extinguishing effect.
For solving the problems of the technologies described above, manual vessel valve provided by the invention, comprise handle, pilot valve assembly, lowly let out high envelope valve and valve body, described pilot valve assembly is arranged in valve body, lowly let out high envelope valve and to be arranged on valve body and to communicate with pilot valve assembly, handle is rotatably connected on pilot valve assembly; It also comprises two groups of cylinder valve assemblies, be respectively the first cylinder valve assembly and the second cylinder valve assembly, these two groups of cylinder valve assemblies are installed in valve body, and in valve body, the valve pocket of pilot valve assembly is communicated by the connecting tube be arranged on outside valve body with the valve pocket of the first cylinder valve assembly and the valve pocket of the second cylinder valve assembly respectively; The bottom of valve body is provided with the second gas cylinder suction port I, second gas cylinder suction port II and the first gas cylinder suction port, second gas cylinder suction port I is all communicated with the second gas cylinder with the second gas cylinder suction port II, first gas cylinder suction port is communicated with the first gas cylinder and between the second gas cylinder suction port I and the second gas cylinder suction port II, the first gas cylinder is positioned at the second gas cylinder internal; The air outlet of connection first cylinder valve assembly valve pocket and the second cylinder valve assembly valve pocket is provided with in valve body.
Described pilot valve assembly includes hole pressure cap, pilot valve piston, pilot valve valve rod and pilot valve valve assembly, porose pressure cap is connected to valve body top, pilot valve piston is for there being bar piston, piston end is slidably fitted in valve body, and rod end is slidably fitted in porose pressure cap and the top of rod end and handle push against or throw off; The upper end of pilot valve valve rod and the bottom of pilot valve piston push against, the lower end of pilot valve valve rod is connected with pilot valve valve assembly, pilot valve valve assembly and valve body form the first valve, and the lower end of installing the mounting hole of pilot valve assembly in valve body is the second cylinder valve suction port I.
The first described cylinder valve assembly comprises the first pressure cap, first piston, the first valve rod and the first valve assembly, first pressure cap is connected to the top of valve body, first piston to be slidably fitted in valve body and to be positioned at the below of the first pressure cap, cavity between the bottom surface of the first pressure cap and the end face of first piston is the first upper gas chamber, and the valve pocket at the first valve assembly place is the first lower chamber; The upper end of the first valve rod and the bottom surface of first piston push against, and lower end is connected with the first valve assembly, and the first valve assembly and valve body form the second valve, and the lower end of installing the mounting hole of the first cylinder valve assembly in valve body is the first cylinder valve suction port.
The second described cylinder valve assembly is positioned at the opposite side of the first cylinder valve assembly away from pilot valve assembly, second cylinder valve assembly comprises the second pressure cap, the second piston, the second valve rod and the second valve assembly, second pressure cap is connected to the top of valve body, second piston to be slidably fitted in valve body and to be positioned at the below of the second pressure cap, cavity between the bottom surface of the second pressure cap and the end face of the second piston is the second upper gas chamber, and the valve pocket at the second valve assembly place is the second lower chamber; The upper end of the second valve rod and the bottom surface of the second piston push against, and lower end is connected with the second valve assembly, and the second valve assembly and valve body form the 3rd valve, and the lower end of installing the mounting hole of the second cylinder valve assembly in valve body is the second cylinder valve suction port II.
In described valve body, the valve pocket of pilot valve assembly is communicated with the valve pocket of the first cylinder valve assembly and refers to, the first joint that it comprises connecting tube I and is arranged on valve body on the left surface of pilot valve assembly, the first joint is communicated with the valve pocket installing the pilot valve valve rod center of pilot valve assembly in valve body; Valve body is provided with the second joint on the leading flank of the first cylinder valve assembly, is provided with the 4th valve in the second joint and is communicated with the first gas cylinder suction port by the gas channel in valve body; One end of described connecting tube I is connected with the first joint, and the other end is connected with the second joint.
In described valve body, the valve pocket of pilot valve assembly is communicated with the valve pocket of the second cylinder valve assembly and refers to, the 3rd joint that it comprises connecting tube II and is arranged on valve body on the trailing flank of pilot valve assembly, the 3rd joint is communicated with the valve pocket installing the pilot valve valve rod center of pilot valve assembly in valve body; Valve body is provided with the 4th joint on the right flank of the second cylinder valve assembly, and the 4th joint is positioned at the upper end of valve body right flank, is provided with the 5th valve and is communicated with the first upper gas chamber with the second upper gas chamber successively by the gas channel in valve body in the 4th joint; One end of described connecting tube II is connected with the 3rd joint, and the other end is connected with the 4th joint.
The valve pocket of the valve pocket and the second valve rod center of installation the second cylinder valve assembly of installing the first valve rod center of the first cylinder valve assembly in described valve body is communicated with by gas channel and is communicated with air outlet, the air outlet place of this valve body is connected with air outlet joint, and described air outlet joint is positioned at below the 4th joint.
The trailing flank of described valve body is provided with for connecting gas-charging connection or manometric inflation inlet, this inflation inlet comprises inflation inlet I and inflation inlet II, inflation inlet I is communicated with the valve pocket installing the first valve rod center of the first cylinder valve assembly in valve body, and inflation inlet II is communicated with the valve pocket installing the second valve rod center of the second cylinder valve assembly in valve body.
The first described joint and the 4th joint are landing nipple, and the second joint, the 3rd joint and air outlet joint are straight coupling.
After adopting above structure, the present invention compared with prior art, has the following advantages:
1) due to two groups of cylinder valves of the prior art are combined, be arranged in atmospheric by small gas cylinder, and controlled the opening and closing of two groups of cylinder valves by a valve control device simultaneously, without the need to the valve and pipeline facilities etc. thereof of supporting two groups of gas cylinders, multiple control extinguishing agent gas, therefore, control system volume compact, the structure of whole vessel valve are simple, thus greatly reduce manufacture cost;
2) simultaneously, owing to having simplified many component, therefore, greatly reduced the accumulation of error, thus improved functional reliability and the stability of this control system;
3) in addition, when valve open is put out a fire, by the control of each valve in valve body, the extinguishing agent gas that two groups of vessel valves control can be opened at one time, therefore, not only a people can complete all operations, and can also reach synchronous object, thus makes fire-fighting equipment reach the optimum efficiency of fire extinguishing.
Accompanying drawing explanation
Fig. 1 is that the master of the manual vessel valve of the present invention looks sectional structure schematic diagram.
Fig. 2 is the structural representation in A-A direction in Fig. 1.
Fig. 3 be in Fig. 1 B to structural representation.
Wherein: 1, handle; 2, porose pressure cap; 3, pilot valve piston; 4, pilot valve valve rod; 5, the first joint; 6, the first valve; 7, pilot valve valve assembly; 8, the second gas cylinder suction port I; 9, the second valve; 10, the first valve assembly; 11, the first lower chamber; 12, the first gas cylinder suction port; 13, the first valve rod; 14, the second gas cylinder suction port II; 15, the second lower chamber; 16, the second valve assembly; 17, the 3rd valve; 18, the second valve rod; 19, air outlet; 20, air outlet joint; 21, the 4th joint; 22, the first valve; 23, valve body; 24, the second piston; 25, the second upper gas chamber; 26, the second pressure cap; 27, first piston; 28, the first upper gas chamber; 29, the first pressure cap; 30, the 3rd joint; 31, inflation inlet I; 32, inflation inlet II; 33, the second joint; 34, the 4th valve; 35, low height of letting out seals valve; 36, connecting tube I; 37, connecting tube II.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in more detail.
From the structural representation of the manual vessel valve of the present invention shown in Fig. 1, Fig. 2 and Fig. 3, it comprises handle 1, pilot valve assembly, lowly lets out high envelope valve 35 and valve body 23, described pilot valve assembly is arranged in valve body 23, lowly let out high envelope valve 35 and to be arranged on valve body 23 and to communicate with pilot valve assembly, handle 1 is rotatably connected on pilot valve assembly.It also comprises two groups of cylinder valve assemblies, be respectively the first cylinder valve assembly and the second cylinder valve assembly, these two groups of cylinder valve assemblies are installed in valve body 23, and in valve body 23, the valve pocket of pilot valve assembly is communicated by the connecting tube be arranged on outside valve body 23 with the valve pocket of the first cylinder valve assembly and the valve pocket of the second cylinder valve assembly respectively.The bottom of valve body 23 is provided with the second gas cylinder suction port I 8, second gas cylinder suction port II 14 and the first gas cylinder suction port 12, second gas cylinder suction port I 8 is all communicated with the second gas cylinder with the second gas cylinder suction port II 14, first gas cylinder suction port 12 is communicated with the first gas cylinder and between the second gas cylinder suction port I 8 and the second gas cylinder suction port II 14, the first gas cylinder is positioned at the second gas cylinder internal.The air outlet 19 of connection first cylinder valve assembly valve pocket and the second cylinder valve assembly valve pocket is provided with in valve body 23.
Described pilot valve assembly includes hole pressure cap 2, pilot valve piston 3, pilot valve valve rod 4 and pilot valve valve assembly 7, porose pressure cap 2 is connected to valve body 23 top, pilot valve piston 3 is for there being bar piston, piston end is slidably fitted in valve body 23, and rod end is slidably fitted in porose pressure cap 2 and the top of rod end and handle 1 push against or throw off.The upper end of pilot valve valve rod 4 and the bottom of pilot valve piston 3 push against, the lower end of pilot valve valve rod 4 is connected with pilot valve valve assembly 7, pilot valve valve assembly 7 and valve body 23 form the first valve 6, and the lower end of installing the mounting hole of pilot valve assembly in valve body 23 is the second gas cylinder suction port I 8.
The first described cylinder valve assembly comprises the first pressure cap 29, first piston 27, first valve rod 13 and the first valve assembly 10, first pressure cap 29 is connected to the top of valve body 23, first piston 27 to be slidably fitted in valve body 23 and to be positioned at the below of the first pressure cap 29, cavity between the bottom surface of the first pressure cap 29 and the end face of first piston 27 is the valve pocket at the first upper gas chamber 28, first valve assembly 10 place is the first lower chamber 11.The upper end of the first valve rod 13 and the bottom surface of first piston 27 push against, lower end is connected with the first valve assembly 10, first valve assembly 10 forms the second valve 9 with valve body 23, and the lower end of installing the mounting hole of the first cylinder valve assembly in valve body 23 is the first gas cylinder suction port 12.
The second described cylinder valve assembly is positioned at the opposite side of the first cylinder valve assembly away from pilot valve assembly, second cylinder valve assembly comprises the second pressure cap 26, second piston 24, second valve rod 18 and the second valve assembly 16, second pressure cap 26 is connected to the top of valve body 23, second piston 24 to be slidably fitted in valve body 23 and to be positioned at the below of the second pressure cap 26, cavity between the bottom surface of the second pressure cap 26 and the end face of the second piston 24 is the valve pocket at the second upper gas chamber 25, second valve assembly 16 place is the second lower chamber 15.The upper end of the second valve rod 18 and the bottom surface of the second piston 24 push against, lower end is connected with the second valve assembly 16, second valve assembly 16 forms the 3rd valve 17 with valve body 23, and the lower end of installing the mounting hole of the second cylinder valve assembly in valve body 23 is the second gas cylinder suction port II 14.
In described valve body 23, the valve pocket of pilot valve assembly is communicated with the valve pocket of the first cylinder valve assembly and refers to, it comprises connecting tube I 36 and the first joint 5, first joint 5 be arranged on valve body 23 on the left surface of pilot valve assembly is communicated with the valve pocket installing pilot valve valve rod 4 center of pilot valve assembly in valve body 23.Valve body 23 is provided with in the second joint 33, second joint 33 on the leading flank of the first cylinder valve assembly and is provided with the 4th valve 34 and is communicated with the first gas cylinder suction port 12 by the gas channel in valve body 23.One end of described connecting tube I 36 is connected with the first joint 5, and the other end is connected with the second joint 33.
In described valve body 23, the valve pocket of pilot valve assembly is communicated with the valve pocket of the second cylinder valve assembly and refers to, it comprises connecting tube II 37 and the 3rd joint the 30, three joint 30 be arranged on valve body 23 on the trailing flank of pilot valve assembly is communicated with the valve pocket installing pilot valve valve rod 4 center of pilot valve assembly in valve body 23.Valve body 23 is provided with the 4th joint 21 on the right flank of the second cylinder valve assembly, 4th joint 21 is positioned at the upper end of valve body 23 right flank, is provided with the 5th valve 22 and is communicated with the first upper gas chamber 28 with the second upper gas chamber 25 successively by the gas channel in valve body 23 in the 4th joint 21.One end of described connecting tube II 37 is connected with the 3rd joint 30, and the other end is connected with the 4th joint 21.
The valve pocket of the valve pocket and the second valve rod 18 center of installation the second cylinder valve assembly of installing the first valve rod 13 center of the first cylinder valve assembly in described valve body 23 is communicated with by gas channel and is communicated with air outlet 19, air outlet 19 place of this valve body 23 is connected with air outlet joint 20, and described air outlet joint 20 is positioned at below the 4th joint 21.
The trailing flank of described valve body 23 is provided with for connecting gas-charging connection or manometric inflation inlet, this inflation inlet comprises inflation inlet I 31 and inflation inlet II 32, inflation inlet I 31 is communicated with the valve pocket installing the first valve rod 13 center of the first cylinder valve assembly in valve body 23, and inflation inlet II 32 is communicated with the valve pocket installing the second valve rod 18 center of the second cylinder valve assembly in valve body 23.
The first described joint 5 and the 4th joint 21 are landing nipple, and the second joint 33, the 3rd joint 30 and air outlet joint 20 are straight coupling.
Working principle of the present invention is as follows:
During work, dial the arming pin gone on handle 1, inwardly pressure handle 1, makes pilot valve piston 3 also move down, thus drives pilot valve valve rod 4 to move down, and opens the first valve 6, now atmospheric, namely the gas first via in the second gas cylinder enters the second joint 33 successively from the second gas cylinder suction port I 8 after the valve pocket at the valve pocket of pilot valve valve assembly 7, the first valve passage, pilot valve valve rod 4 place, the first joint 5, connecting tube I 36, the spool promoted in the second joint 33 opens the 4th valve 34, the gas channel of gas more successively in valve body flows to the first gas cylinder suction port 12, makes the gas pressure in the second gas cylinder reach consistent with the gas pressure in the first gas cylinder, gas second road in second gas cylinder from the second gas cylinder suction port I 8 successively through the valve pocket of pilot valve valve assembly 7, first valve passage, the valve pocket at pilot valve valve rod 4 place, 3rd joint 30, the 4th joint 21 is entered after connecting tube II 37, the spool promoted in the 4th joint 21 opens the 5th valve 22, the gas channel of gas again in the second upper gas chamber 25 and valve body 23 arrives the first upper gas chamber 28, make the first upper gas chamber 28, second upper gas chamber 25, gas pressure in the second lower chamber 15 communicated with the second gas cylinder suction port II 14 and the first lower chamber 11 communicated with the first gas cylinder suction port 12 reaches consistent, now, compression area due to first piston 27 is greater than the sealing surface area at the second valve 9 place, the compression area of the second piston 24 is greater than the sealing surface area at the 3rd valve 17 place, according to formula Pressure=pressure × compression area, the pressure that piston is subject to is greater than the pressure that valve rod is subject to, and therefore, promotes while the first valve rod 13 moves down at first piston 27, second piston 24 also promotes the second valve rod 18 and moves down, thus opens the second valve 9 and the 3rd valve 17 simultaneously, now, gaseous extinguishing agent in first gas cylinder is by spraying from air outlet 19 by the gas channel in valve body 23 after the valve pocket at the first gas cylinder suction port 12, first lower chamber 11, valve passage, the first valve rod 13 place, gaseous extinguishing agent simultaneously in the second gas cylinder is by spraying from air outlet 19 by the gas channel in valve body 23 after the valve pocket at the second gas cylinder suction port II 14, second lower chamber 15, valve passage, the second valve rod 18 place, thus realize the object of two kinds of gaseous extinguishing agent synchronized mixes, make extinguishing effect reach best.

Claims (9)

1. a manual vessel valve, comprise handle (1), pilot valve assembly, lowly let out high envelope valve (35) and valve body (23), described pilot valve assembly is arranged in valve body (23), lowly let out high envelope valve (35) to be arranged on valve body (23) upper and communicate with pilot valve assembly, handle (1) is rotatably connected on pilot valve assembly; It is characterized in that: it also comprises two groups of cylinder valve assemblies, be respectively the first cylinder valve assembly and the second cylinder valve assembly, these two groups of cylinder valve assemblies are installed in valve body (23), and the valve pocket of the interior pilot valve assembly of valve body (23) communicates by being arranged on valve body (23) connecting tube outward with the valve pocket of the first cylinder valve assembly and the valve pocket of the second cylinder valve assembly respectively; The bottom of valve body (23) is provided with the second gas cylinder suction port I (8), second gas cylinder suction port II (14) and the first gas cylinder suction port (12), second gas cylinder suction port I (8) is all communicated with the second gas cylinder with the second gas cylinder suction port II (14), first gas cylinder suction port (12) is communicated with the first gas cylinder and is positioned between the second gas cylinder suction port I (8) and the second gas cylinder suction port II (14), and the first gas cylinder is positioned at the second gas cylinder internal; The air outlet (19) of connection first cylinder valve assembly valve pocket and the second cylinder valve assembly valve pocket is provided with in valve body (23).
2. manual vessel valve according to claim 1, it is characterized in that: described pilot valve assembly includes hole pressure cap (2), pilot valve piston (3), pilot valve valve rod (4) and pilot valve valve assembly (7), porose pressure cap (2) is connected to valve body (23) top, pilot valve piston (3) is for there being bar piston, piston end is slidably fitted in valve body (23), and rod end is slidably fitted in porose pressure cap (2) and the top of rod end and handle (1) push against or throw off; The upper end of pilot valve valve rod (4) and the bottom of pilot valve piston (3) push against, the lower end of pilot valve valve rod (4) is connected with pilot valve valve assembly (7), pilot valve valve assembly (7) and valve body (23) form the first valve (6), and the lower end of installing the mounting hole of pilot valve assembly in valve body (23) is the second gas cylinder suction port I (8).
3. manual vessel valve according to claim 1, it is characterized in that: the first described cylinder valve assembly comprises the first pressure cap (29), first piston (27), first valve rod (13) and the first valve assembly (10), first pressure cap (29) is connected to the top of valve body (23), first piston (27) to be slidably fitted in valve body (23) and to be positioned at the below of the first pressure cap (29), cavity between the bottom surface of the first pressure cap (29) and the end face of first piston (27) is the first upper gas chamber (28), the valve pocket at the first valve assembly (10) place is the first lower chamber (11), the upper end of the first valve rod (13) and the bottom surface of first piston (27) push against, lower end is connected with the first valve assembly (10), first valve assembly (10) and valve body (23) form the second valve (9), and the lower end of installing the mounting hole of the first cylinder valve assembly in valve body (23) is the first gas cylinder suction port (12).
4. manual vessel valve according to claim 1, it is characterized in that: the second described cylinder valve assembly is positioned at the opposite side of the first cylinder valve assembly away from pilot valve assembly, second cylinder valve assembly comprises the second pressure cap (26), second piston (24), second valve rod (18) and the second valve assembly (16), second pressure cap (26) is connected to the top of valve body (23), second piston (24) to be slidably fitted in valve body (23) and to be positioned at the below of the second pressure cap (26), cavity between the bottom surface of the second pressure cap (26) and the end face of the second piston (24) is the second upper gas chamber (25), the valve pocket at the second valve assembly (16) place is the second lower chamber (15), the upper end of the second valve rod (18) and the bottom surface of the second piston (24) push against, lower end is connected with the second valve assembly (16), second valve assembly (16) and valve body (23) form the 3rd valve (17), and the lower end of installing the mounting hole of the second cylinder valve assembly in valve body (23) is the second gas cylinder suction port II (14).
5. manual vessel valve according to claim 1, it is characterized in that: the valve pocket of the described interior pilot valve assembly of valve body (23) is communicated with the valve pocket of the first cylinder valve assembly and refers to, it comprises connecting tube I (36) and is arranged on upper the first joint (5) on the left surface of pilot valve assembly of valve body (23), and the first joint (5) is communicated with the valve pocket installing pilot valve valve rod (4) center of pilot valve assembly in valve body (23); Valve body (23) is upper is provided with the second joint (33) on the leading flank of the first cylinder valve assembly, is provided with the 4th valve (34) and is communicated with the first gas cylinder suction port (12) by the gas channel in valve body (23) in the second joint (33); One end of described connecting tube I (36) is connected with the first joint (5), and the other end is connected with the second joint (33).
6. manual vessel valve according to claim 1, it is characterized in that: the valve pocket of the described interior pilot valve assembly of valve body (23) is communicated with the valve pocket of the second cylinder valve assembly and refers to, it comprises connecting tube II (37) and is arranged on upper the 3rd joint (30) on the trailing flank of pilot valve assembly of valve body (23), and the 3rd joint (30) is communicated with the valve pocket installing pilot valve valve rod (4) center of pilot valve assembly in valve body (23); Valve body (23) is upper is provided with the 4th joint (21) on the right flank of the second cylinder valve assembly, 4th joint (21) is positioned at the upper end of valve body (23) right flank, is provided with the 5th valve (22) and is communicated with the first upper gas chamber (28) with the second upper gas chamber (25) successively by the gas channel in valve body (23) in the 4th joint (21); One end of described connecting tube II (37) is connected with the 3rd joint (30), and the other end is connected with the 4th joint (21).
7. manual vessel valve according to claim 1, it is characterized in that: the valve pocket of the valve pocket and the second valve rod (18) center of installation the second cylinder valve assembly of installing the first valve rod (13) center of the first cylinder valve assembly in described valve body (23) is communicated with by gas channel and is communicated with air outlet (19), air outlet (19) place of this valve body (23) is connected with air outlet joint (20), and described air outlet joint (20) is positioned at the 4th joint (21) below.
8. manual vessel valve according to claim 1, it is characterized in that: the trailing flank of described valve body (23) is provided with for connecting gas-charging connection or manometric inflation inlet, this inflation inlet comprises inflation inlet I (31) and inflation inlet II (32), inflation inlet I (31) is communicated with the valve pocket installing the first valve rod (13) center of the first cylinder valve assembly in valve body (23), and inflation inlet II (32) is communicated with the valve pocket installing the second valve rod (18) center of the second cylinder valve assembly in valve body (23).
9. manual vessel valve according to claim 5, is characterized in that: described the first joint (5) and the 4th joint (21) are landing nipple, and the second joint (33), the 3rd joint (30) and air outlet joint (20) are straight coupling.
CN201410073214.1A 2014-02-28 2014-02-28 Manual vessel valve Active CN103883761B (en)

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Application Number Priority Date Filing Date Title
CN201410073214.1A CN103883761B (en) 2014-02-28 2014-02-28 Manual vessel valve

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Application Number Priority Date Filing Date Title
CN201410073214.1A CN103883761B (en) 2014-02-28 2014-02-28 Manual vessel valve

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CN103883761A CN103883761A (en) 2014-06-25
CN103883761B true CN103883761B (en) 2016-03-02

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JP5881452B2 (en) * 2012-02-14 2016-03-09 株式会社不二工機 Compound valve
CN203214991U (en) * 2013-05-09 2013-09-25 宁波三安制阀有限公司 Low-leakage high-sealing valve
CN203303549U (en) * 2013-06-28 2013-11-27 宁波三安制阀有限公司 Bottle valve with pilot valve
CN203309154U (en) * 2013-06-28 2013-11-27 宁波三安制阀有限公司 Pneumatic natural gas bottle valve
CN203703250U (en) * 2014-02-28 2014-07-09 宁波三安制阀有限公司 Manual container valve

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