CN205190851U - Guide's formula bottle head valve - Google Patents
Guide's formula bottle head valve Download PDFInfo
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- CN205190851U CN205190851U CN201520828349.4U CN201520828349U CN205190851U CN 205190851 U CN205190851 U CN 205190851U CN 201520828349 U CN201520828349 U CN 201520828349U CN 205190851 U CN205190851 U CN 205190851U
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- spool
- resorption
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- piston
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Abstract
The utility model discloses a guide's formula bottle head valve, including valve body, entry linkage steel bottle under the valve body, valve body side exit linkage check valve, the valve body upper end is equipped with the adapter sleeve, the inside sliding connection piston of valve body with fix the case in the piston, the case is equipped with the water conservancy diversion through -hole, establish the through -hole that holds of diaphragm in the piston is equipped with, the pointed end of needle is punctureed in the top correspondence of diaphragm, and the trailing end connection who punctures the needle punctures needle starting drive, the below of diaphragm corresponds the upper end of case, the lower extreme butt valve body of case falls into the valve body lumen and the cavity of resorption of mutual isolation, the lateral wall intercommunication check valve of lumen, cavity of resorption intercommunication water conservancy diversion through -hole, the ascending atmospheric pressure that the pressure face bore of case lower extreme is lighter than the decurrent atmospheric pressure that the pressure face bore of piston, after the diaphragm is pricked, the gas of lower intracavity through the water conservancy diversion through -hole, hold that promote the piston after the through -hole gets into the epicoele and the case downstream makes lumen and cavity of resorption switch on, gaseously flow out from the check valve, the bottle head valve starts simple structure, convenient operation, safe and reliable.
Description
Technical field
The utility model relates to fire-fighting equipment field, particularly relates to a kind of valve, is specifically related to a kind of leading type bottle valve.
Background technique
At present, gas cylinder used in fire-fighting system is generally large-scale steel cylinder, and steel cylinder is equipped with bottle valve, is used for the circulation of the gas controlled in steel cylinder.Existing bottle valve Starting mode is single, or is that electricity starts, or gas starts, once break down, does not remedy mode, causes bottle valve success startup stability not high, and complex structure, operation inconvenience; And need bottle valve be pulled down when changing diaphragm, waste time and energy, increase cost.
Model utility content
In order to overcome the deficiencies in the prior art, the utility model object is to provide a kind of leading type bottle valve, and this leading type bottle valve can adopt gas to start, electricity starts and mechanically activated three kinds of Starting mode, Starting mode is simple and reliable, more various, successful startup that can be more stable.
For realizing above-mentioned technical purpose, the utility model adopts following technological scheme to be achieved:
A kind of leading type bottle valve, comprises valve body, and the lower inlet of described valve body connects steel cylinder, and the side outlet of described valve body connects one-way valve, it is characterized in that: described valve body upper end is provided with connecting sleeve; Described valve inner is slidably connected piston and the spool that is fixed on piston, and described spool is provided with the water conservancy diversion through hole running through its top and bottom; Described piston is provided with the receiving opening that arrange corresponding to described water conservancy diversion through hole, is provided with diaphragm in described receiving opening; The top correspondence of described diaphragm has the tip puncturing pin, described in puncture pin the epicoele offered through connecting sleeve of tip and connect for start puncture that pin moves downward puncture pin starting drive; The below of described diaphragm is to the upper end that should have the described spool be fixed in described receiving opening; The lower end of described spool abuts with described valve body, and described valve body is divided into mutually isolated lumen and cavity of resorption, and the cross-section area of the under shed end face of described lumen is less than the cross-section area of the upper shed end face of described cavity of resorption; The sidewall of described lumen is communicated with described one-way valve; Described cavity of resorption is communicated with described water conservancy diversion through hole;
Wherein, the downward gas pressure that the pressure side that the gas pressure upwards that the pressure side of the lower end of described spool bears is less than described piston bears, when diaphragm by described puncture acupuncture broken after, gas in described cavity of resorption promotes described piston through water conservancy diversion through hole, receiving opening and moves downward after entering epicoele, described spool also makes described lumen and cavity of resorption conducting along with piston moves downward, and gas flows out from one-way valve and described leading type bottle valve is started.
The beneficial effects of the utility model are:
This bottle valve drives and punctures pin by puncturing starting drive and move downward and puncture diaphragm, in steel cylinder, gas enters epicoele by spool, the downward gas pressure that the pressure side that the gas pressure upwards born due to the pressure side of described spool lower end is less than described piston bears, thus form upper and lower cavity pressure difference, spool is moved downward, spool lower end is separated with valve body sealing surface, in steel cylinder, gas opens one-way valve, enter spray pipeline to put out a fire, this bottle valve structure is simple, easy to operate, safe and reliable.
As preferably, the upper open end of described cavity of resorption faces down the sealing surface extending to form and coordinate with described spool; Valve body radial direction described in the lower end edge of described spool is provided with the seal boss by described epicoele and cavity of resorption isolation, and described seal boss is positioned at described cavity of resorption and abuts described sealing surface, and the cross-section area of described seal boss is less than the cross-section area of described piston.Described seal boss is not only used for isolating lumen and cavity of resorption, it also has the pressure side that upwards gas pressure is directly born in described spool lower end.The downward gas pressure that the pressure side that the gas pressure upwards born in order to the pressure side ensured on described seal boss is less than described piston bears, and the cross-section area of described seal boss is designed to the cross-section area being less than described piston.
As preferably, be provided with sealing gasket between described sealing surface and described seal boss, described sealing gasket and described spool adopt hot press moulding to combine and make.Described sealing gasket and described spool adopt hot press moulding to combine and make, and make described sealing gasket can Reusability, add the utilization rate of product.
As preferably, the briquetting that hole is opened in centre is provided with in described valve body, the upper end of described briquetting extends in the epicoele of described connecting sleeve, the lower end of described briquetting is threadedly connected in the upper shed of described receiving opening, described diaphragm between the lower end of described briquetting and the upper end of described spool, described in puncture pin tip extend to above described diaphragm through the epicoele of described connecting sleeve, the through hole of described briquetting successively.Described briquetting is connected with piston thread makes briquetting detachable, when changing diaphragm, bottle valve need not be pulled down from steel cylinder, greatly reduce replacing construction, thus reduce cost.
As preferably, described briquetting offers along described valve body radial direction the bleeder port be communicated with described epicoele, and described bleeder port flows in epicoele in order to accelerate gas.
As preferably, described body wall is provided with the exhaust port being communicated with described lumen, and described exhaust port, in order to discharge the air in lumen, is conducive to piston and moves downward.
As preferably, described connecting sleeve lower surface and described valve body upper surface contacting point are provided with the 4th packing ring, 4th packing ring is not only in order to being tightly connected between described connecting sleeve and described valve body, and make to produce gap of stepping down between the lower surface of described piston and described connecting sleeve, described gap of stepping down provides for described spool the space moved up, and avoids described piston and described connecting sleeve closely to abut and causes described spool and described valve body to be tightly connected.
As preferably, described spool is Split type valve core, it is made up of the valve core rod be separated from each other and attachment cap, described valve core rod extends in cavity of resorption by lumen, described attachment cap is positioned at described cavity of resorption, and described valve core rod is threaded with described attachment cap, and both joints are provided with sealing gasket, the upper open end of described cavity of resorption faces down and extends to form sealing surface, and described sealing surface abuts described sealing gasket.This Split type valve core structure is more stable, and sealability is better, and more convenient processing is cost-saving.
As preferably, be provided with positioning block in described valve body, described positioning block is sheathed on described spool near middle position, and valve interior wall described in interference fit, described positioning block is used for locating described spool, avoids spool deflection to cause the sealing between spool bottom and valve body to realize.
As preferably, described epicoele outer side wall connectivity trachea joint, is passed into by gas-tpe fitting and starts gas (N
2) realize the startup of steel cylinder gas.
As preferably, described in puncture starting drive and comprise the movable core puncturing pin movement described in drive, described movable core energising, realize steel cylinder electricity by movable core energising and start.
As preferably, described in puncture starting drive and comprise safety pin, puncture the movable core of pin movement described in drive, the handwheel be connected with described movable core, realize steel cylinder mechanical, hand-driven start by taking handwheel.
As preferably, described lumen side directly connects one-way valve, and the utility model adopts one-way valve to be directly connected with valve body, bottle valve and one-way valve is integrated, compared with prior art, reduces installation procedure and cost.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the utility model first embodiment;
Fig. 2 is the generalized section of another angle of the utility model first embodiment;
Fig. 3 is the partial cutaway schematic of valve body in the utility model first embodiment;
Fig. 4 is the structural representation that the utility model first embodiment spool coordinates with sealing gasket;
Fig. 5 is the cross-sectional view of the utility model second embodiment;
Fig. 6 is the structural representation that the utility model second embodiment spool coordinates with sealing gasket.
In figure: 1, puncture assembly; 2, connecting sleeve; 3, an O shape circle; 4, the first packing ring; 5, gas-tpe fitting; 6, nut; 7, valve body; 8, one-way valve; 9, limit plug; 10, filling valve; 11, the second packing ring; 12, spool; 13, fixture hole; 14, pressure gauge; 15, positioning block; 16, the 3rd O shape circle; 17, piston; 18, the 2nd O shape circle; 19, the 4th packing ring; 20, trim ring; 21, diaphragm; 22, briquetting; 23, safety screw; 24, blowout disk; 25, the 3rd packing ring; 26, pin is punctured; 27, safety pin; 28, epicoele; 29, lumen; 30, cavity of resorption; 31, seal boss; 32, sealing surface; 33, sealing gasket; 34, positive stop lug boss; 35, exhaust port; 36, bleeder port; 37, to step down gap; 38, water conservancy diversion through hole; 121, valve core rod; 122, attachment cap.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
First embodiment
Please refer to Fig. 1, Fig. 1 is the cross-sectional view of the utility model first embodiment; Fig. 2 is the generalized section of another angle of the utility model first embodiment; Fig. 3 is the partial cutaway schematic of valve body in the utility model first embodiment; Fig. 4 is the structural representation that the utility model first embodiment spool coordinates with sealing gasket.
A kind of leading type bottle valve described in the utility model first embodiment, is installed on steel cylinder, fills extinguishing agent in this steel cylinder.Described leading type bottle valve comprises and punctures assembly 1, connecting sleeve 2, valve body 7, spool 12, one-way valve 8; The lower inlet of described valve body 7 connects steel cylinder; The side outlet of described valve body 7 connects one-way valve 8.The utility model adopts one-way valve 8 to be directly connected with valve body 7, bottle valve and one-way valve 8 is integrated, compared with prior art, reduces installation procedure and cost.Described valve body 7 upper end is provided with connecting sleeve 2, and puncture assembly 1 described in described connecting sleeve 2 upper end connects, described valve body 7 internal slide connects piston 17, and is fixed on the spool 12 in piston 17.
The described assembly 1 that punctures comprises and punctures starting drive and puncture pin 26, the described starting drive that punctures comprises the movable core puncturing pin 26 described in drive and move down, puncture pin 26 described in making after described movable core energising to move downward, realize steel cylinder electricity by movable core energising and start.Certainly, in order to realize the diversity that bottle valve starts, described in puncture starting drive and be not limited to single structure, described in puncture starting drive and can also comprise safety pin 27, the handwheel (not shown) be connected with described movable core.The startup of steel cylinder mechanical, hand-driven is realized by taking handwheel (not shown).The described pin 26 of puncturing is provided with an O shape with described connecting sleeve 2 contacting point and encloses 3, prevents the gas overflowing in bottle valve.
Described connecting sleeve 2 is connected to the upper end of described valve body 7 by nut 6.Embed in groove (figure does not mark) that described connecting sleeve 2 outer wall offers after the bending of described nut 6 upper end extends, described nut 6 lower end is threaded described valve body 7 outer wall.Described connecting sleeve 2 lower surface and described valve body 7 upper surface contacting point are provided with the 4th packing ring 19, and described 4th packing ring 19, in order to described connecting sleeve 2 and the described valve body 7 of being tightly connected, prevents described bottle valve from losing heart.Offer epicoele 28, described epicoele 28 side connectivity trachea joint 5 in the middle of described connecting sleeve 2, passed into by described gas-tpe fitting 5 and start gas (N
2) realize the startup of steel cylinder gas.Described gas-tpe fitting 5 and described connecting sleeve 2 are provided with the first packing ring 4 along the radial contact position of described valve body 7, and described gas-tpe fitting 5 is tightly connected with described connecting sleeve 2.
Described valve body 7 is provided with mutually isolated lumen 29 and cavity of resorption 30, and the cross-section area of the under shed end face of described lumen 29 is less than the cross-section area of the upper shed end face of described cavity of resorption 30, for described spool 12 slide downward provides space, if the cross-section area of the under shed end face of described lumen 29 is less than the cross-section area of the upper shed end face of described cavity of resorption 30, described spool 12 cannot slide downward.Described lumen 29 outer side wall is communicated with described one-way valve 8, forms the gas outlet of gas cylinder from described lumen 29 to described one-way valve 8.Be slidably connected in described lumen 29 described piston 17, in order to make to be tightly connected between described spool 12 and described valve body 7, being provided with the 2nd O shape and enclosing 18 between described piston 17 and described lumen 29 inwall.Described valve body 7 sidewall is provided with the exhaust port 35 being communicated with described lumen 29, in order to discharge the air of described lumen 29, is conducive to piston 17 and moves down.
Described piston 17 is provided with receiving opening (non-icon), is provided with diaphragm 21 in described receiving opening; Puncture the tip of pin 26 described in the top correspondence of described diaphragm 21 has, described in puncture pin 26 the epicoele 28 offered through described connecting sleeve 2 of tail end connecting start described in puncture that pin 26 moves downward puncture pin starting drive.The below of described diaphragm 21, to the upper end that should have the spool 12 be fixed in described receiving opening, is provided with trim ring 20 and makes to be tightly connected between described diaphragm 21 and the upper end of described spool 12 between described diaphragm 21 and the upper end of described spool 12.The lower end of described spool 12 abuts with described valve body 7, and described valve body 7 is divided into described lumen 29 and described cavity of resorption 30, and described spool 12 is provided with the water conservancy diversion through hole 38 running through its top and bottom, and described cavity of resorption 30 is communicated with described water conservancy diversion through hole 38.The downward gas pressure that the pressure side that the gas pressure (abbreviation air pressure) upwards that the pressure side of the lower end of described spool 12 bears is less than described piston 17 bears, to form upper and lower cavity pressure difference, impels described piston 17 slide downward.When described diaphragm 21 is punctured after pin 26 punctures by described, gas in described cavity of resorption 30 promotes described piston 17 through water conservancy diversion through hole 38, receiving opening and moves downward after entering the epicoele 28 of described connecting sleeve 2, described spool 12 also makes described lumen 29 and cavity of resorption 30 conducting along with described piston 17 moves downward, and gas flows out from one-way valve 8 and described leading type bottle valve is started.
Arrange below the described epicoele 28 that described piston 17 faces described connecting sleeve 2.If described connecting sleeve 2 is cross-section areas that the cross-section area of described lumen 29 is greater than the upper surface of described piston 17, described piston 17 will have enough pressure sides bearing downward gas pressure.But, if the cross-section area of the lumen 29 of described connecting sleeve 2 is less than the cross-section area of the upper surface of described piston 17, now just need to arrange between the lower surface and the upper surface of described piston 17 of described connecting sleeve 2 one to step down gap 37, described existence of stepping down gap 37 ensures that described piston 17 upper surface has enough pressure sides and bears that downward gas pressure is long-pending makes described piston 17 can normal slide downward, in the present embodiment, the whole upper surface of described piston 17 can be used as the pressure side that it bears downward gas pressure.In addition, when filling gas cylinder, described in gap 37 of stepping down provide for described spool 12 space moved up, avoid described piston 17 and described connecting sleeve 2 closely to abut and cause described spool 12 cannot be tightly connected with described valve body 7.The generation in this gap of stepping down has multiple form, in the present embodiment, the 4th packing ring 19 that described step down connecting sleeve described in the mat of gap 37 2 and described valve body 7 are arranged along the contact position of described valve body 7 axis produces, certainly this gap of stepping down can also be set by other means, such as between described piston 17 and described connecting sleeve 2, along described valve body 7, axially stud etc. be set.
Integrally processed by described piston 17 in the utility model, and be arranged in its receiving opening by described diaphragm 21, this mode, structure is simple, easy to process.But be not easy to change diaphragm 21, need bottle valve to pull down from steel cylinder, add replacing construction and cost, in order to greatly reduce replacing construction, reduced cost, to be threaded a briquetting 22 in receiving opening upper shed place of described piston 17, offers through hole in the middle of this briquetting 22.When changing described diaphragm 21, can adopt and tear diaphragm type structure open, namely first nut 6 is dismantled, take off nut 6 and top component (safety pin, puncture assembly and puncture pin etc.), fixture is adopted to fix piston 17, described piston 17 is provided with the fixture hole 13 of mounting fixture, fixture can be positioned in fixture hole 13, dismantle described briquetting 22 again, take out described trim ring 20 and described diaphragm 21, and the trim ring more renewed and diaphragm, then again briquetting 22 is installed, component and nut 6 above nut 6, piston 17 is drawn to described epicoele 28 top after replacing completes, install other component again and can realize reusing of this bottle valve, therefore, bottle valve need not be pulled down from steel cylinder when changing diaphragm 21, replacing construction will be greatly reduced, thus reduce cost.
The upper end of described briquetting 22 extends in the epicoele 28 of described connecting sleeve 2, the lower end of described briquetting 22 is threadedly connected in the upper shed of described receiving opening, described diaphragm 21 is between the lower surface and the upper end of described spool 12 of described briquetting 22, the epicoele 28 of described connecting sleeve 2 is passed at the described tip puncturing pin 26 successively, briquetting 22 extends to above described diaphragm 21, the described pin 26 that punctures is provided with spiral chute, make the through hole puncturing pin 26 and described briquetting 22, or described in puncture pin 26 and described piston 17 receiving opening between there is gap, be conducive to gas flow to described epicoele 28.Described briquetting 22 is provided with the bleeder port 36 be communicated with described epicoele 28 along described valve body 7 radial direction, after described diaphragm 21 punctures, accelerate gas and flow in described epicoele 28.
Cannot seal in order to avoid spool 12 deflection causes between spool 12 bottom and valve body 7, described spool 12 is also arranged with positioning block 15, valve body 7 inwall described in described positioning block 15 interference fit near middle position.Be provided with the 3rd O shape between described positioning block 15 and described spool 12 and enclose 16, in order to realize better sealing between positioning block 15 and spool 12.
Described in described spool 12 lower end edge, valve body 7 radial direction is provided with the seal boss 31 of described lumen 29 and cavity of resorption 30 being isolated, described seal boss 31 is not only used for isolating described lumen 29 and described cavity of resorption 30, it also has the pressure side that upwards gas pressure is directly born in described spool 12 lower end.The downward gas pressure that the pressure side that the gas pressure upwards born in order to the pressure side ensured on described seal boss 31 is less than described piston 17 bears, and the cross-section area of described seal boss 31 is designed to the cross-section area being less than described piston 17.The upper open end of described cavity of resorption 30 faces down the sealing surface 32 extending to form and coordinate with described spool 12, and described seal boss 31 abuts described sealing surface 32, thus described lumen 29 and cavity of resorption 30 is separated.In order to realize good sealing, between described sealing surface 32 and described seal boss 31, be provided with sealing gasket 33.In the present embodiment, described sealing gasket 33 is polyurethane or fluorine rubber, preferred polyurethane.Described sealing gasket 33 and described spool 12 adopt hot press moulding to combine and make, and make sealing configuration under high pressure seal reliable and can reuse, add the repeat usage of product.
Positive stop lug boss 34 is provided with along the radial direction of described valve body 7 in the middle part of described spool 12, the corresponding limit plug 9 of described positive stop lug boss 34 is arranged, and coordinate with limit plug 9, in steel cylinder transportation process, can be spacing to spool 12, prevent described spool 12 to be shifted and cause cannot realizing between spool 12 and valve body 7 sealing; And described limit plug 9 and positive stop lug boss 34 coordinate, sealing gasket 33 is also made to contact more closely with described sealing surface 32, to blanketing gas in steel cylinder.
The filling valve 10, pressure gauge 14 and the security component that are communicated with described cavity of resorption 30 outer wall is also connected on the downside of described valve body 7.Described pressure gauge 14 and described valve body 7 are provided with the first packing ring 4 along the radial contact position of described valve body 7.Described filling valve 10 and described valve body 7 are provided with the second packing ring 11 along the radial contact position of described valve body 7.Described security component comprises the safety screw 23 being connected to described valve body 7, the blowout disk 24 between described safety screw 23 and described valve body 7, is provided with the 3rd packing ring 25 between on the downside of described blowout disk 24 and described valve body 7.
Second embodiment
Please refer to Fig. 5 ~ 6, Fig. 5 is the cross-sectional view of the utility model second embodiment, and Fig. 6 is the structural representation that in the utility model second embodiment, spool coordinates with sealing gasket.
The difference of the present embodiment and the first embodiment is: described spool 12 is made up of two-part, and this Split type valve core 12 structure is more stable, and sealability is better, and more convenient processing is cost-saving.Particularly, described spool 12 comprises the valve core rod 121 and attachment cap 122 that are separated from each other.Described valve core rod 121 extends in cavity of resorption 30 by lumen 29, described attachment cap 122 is positioned at described cavity of resorption 30, described valve core rod 121 is threaded with attachment cap 122, both joints are provided with sealing gasket 33, described sealing gasket 33 abuts with described sealing surface 32, described lumen 29 and cavity of resorption 30 is isolated; Sealing pad 33 adopts the mode of directly installing to be arranged at described valve core rod 121 and attachment cap 122, different from the mold pressing mounting type of the first embodiment.Described valve core rod 121 is also provided with groove 123, for spool described in holder 12, sealing gasket 33 and attachment cap 122 is mounted on described spool 12.
Leading type bottle valve working principle described in the utility model: when needing suppression system in running order, the utility model implements three kinds of mode Starting mode, will describe in detail below.
The first, electricity starts:
When suppression system fire extinguishing need be started, Fire extinguisher feedback fire extinguishing signal is to puncturing assembly 1, movable core is energized, drive punctures pin 26 and moves downward and puncture diaphragm 21, in steel cylinder, gas enters the epicoele 28 of valve body 7 by the water conservancy diversion through hole 38 of spool 12, the downward gas pressure that the pressure side that the gas pressure upwards born due to the pressure side of described spool 12 lower end is less than described piston 17 bears, thus form upper and lower cavity pressure difference, spool 12 is moved downward, air in described lumen 29 is discharged by the exhaust port of four on valve body 7 35, described sealing gasket 33 now in described spool 12 is separated with the described sealing surface 32 in described valve body 7 cavity of resorption 30, in steel cylinder, gas opens described one-way valve 8, enter spray pipeline to put out a fire.
The second, gas starts:
When suppression system fire extinguishing need be started, the startup steel cylinder starting gas is housed start, start gas is entered described connecting sleeve 2 and described valve body 7 epicoele 28 by described gas-tpe fitting 5, the downward gas pressure that the pressure side that the gas pressure upwards born due to the pressure side of described spool 12 lower end is less than described piston 17 bears, thus form upper and lower cavity pressure difference, now described spool 12 moves downward, air in described lumen 29 is discharged by the described exhaust port 35 of four on described valve body 7, described sealing gasket 33 now in described spool 12 is separated with the described sealing surface 32 in the described cavity of resorption 30 of described valve body 7, in steel cylinder, gas is opened one-way valve 8 and is entered spray pipeline and put out a fire.
The third, emergency machine starts:
When suppression system fire extinguishing need be started, extract the safety pin 27 punctured on assembly 1, firmly take the handwheel puncturing assembly 1 top, puncture pin 26 to move downward, puncture diaphragm 21, in steel cylinder, gas enters the epicoele 28 of valve body 7 by spool 12, the downward gas pressure that the pressure side that the gas pressure upwards born due to the pressure side of described spool 12 lower end is less than described piston 17 bears, thus form upper and lower cavity pressure difference, now described spool 12 moves downward, air in the lumen 29 of described valve body 7 is discharged by the described exhaust port 35 of four on described valve body 7, described sealing gasket 33 now in described spool 12 is separated with the sealing surface 32 in the described cavity of resorption 30 of described valve body 7, in steel cylinder, gas opens described one-way valve 8, enter spray pipeline to put out a fire.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from the spirit and scope of this real model utility.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (10)
1. a leading type bottle valve, comprise valve body (7), the lower inlet of described valve body (7) connects steel cylinder, the side outlet of described valve body (7) connects one-way valve (8), it is characterized in that: described valve body (7) upper end is provided with connecting sleeve (2); The spool (12) that described valve body (7) internal slide connects piston (17) and is fixed on piston (17), described spool (12) is provided with the water conservancy diversion through hole (38) running through its top and bottom; Described piston (17) is provided with and the corresponding receiving opening arranged of described water conservancy diversion through hole (38), is provided with diaphragm (21) in described receiving opening; The top correspondence of described diaphragm (21) has the tip puncturing pin (26), described in puncture pin (26) the epicoele (28) offered through connecting sleeve (2) of tip and connect for start puncture that pin moves downward puncture pin starting drive; The below of described diaphragm (21) is to the upper end that should have the described spool (12) be fixed in described receiving opening; The lower end of described spool (12) abuts with described valve body (7), and described valve body (7) is divided into mutually isolated lumen (29) and cavity of resorption (30), the cross-section area of the under shed end face of described lumen (29) is less than the cross-section area of the upper shed end face of described cavity of resorption (30); The sidewall of described lumen (29) is communicated with described one-way valve (8); Described cavity of resorption (30) is communicated with described water conservancy diversion through hole (38);
Wherein, the downward gas pressure that the pressure side that the gas pressure upwards that the pressure side of the lower end of described spool (12) bears is less than described piston (17) bears, when diaphragm (21) is punctured after pin (26) punctures by described, gas in described cavity of resorption (30) is through water conservancy diversion through hole (38), receiving opening enters epicoele (28) and promotes described piston (17) afterwards and move downward, described spool (12) also makes described lumen (29) and cavity of resorption (30) conducting along with piston (17) moves downward, gas flows out from one-way valve (8) and described leading type bottle valve is started.
2. leading type bottle valve according to claim 1, is characterized in that: the upper open end of described cavity of resorption (30) faces down the sealing surface (32) extending to form and coordinate with described spool (12); Valve body (7) radial direction described in the lower end edge of described spool (12) is provided with the seal boss (31) of described epicoele (28) and cavity of resorption (30) being isolated, described seal boss (31) is positioned at described cavity of resorption (30) and abuts described sealing surface (32), and the cross-section area of described seal boss (31) is less than the cross-section area of described piston (17).
3. leading type bottle valve according to claim 2, it is characterized in that: be provided with sealing gasket (33) between described sealing surface (32) and described seal boss (31), described sealing gasket (33) and described spool (12) adopt hot press moulding to combine and make.
4. leading type bottle valve according to claim 1, it is characterized in that: in described valve body (7), be provided with the briquetting (22) that hole is opened in centre, the upper end of described briquetting (22) extends in the epicoele (28) of described connecting sleeve (2), the lower end of described briquetting (22) is threadedly connected in the upper shed of described receiving opening, described diaphragm (21) is positioned between the lower end of described briquetting (22) and the upper end of described spool (12), the epicoele (28) of described connecting sleeve (2) is passed at the described tip puncturing pin (26) successively, the through hole of described briquetting (22) extends to described diaphragm (21) top.
5. leading type bottle valve according to claim 4, is characterized in that: the bleeder port (36) be communicated with described epicoele (28) offered by described briquetting (22) along described valve body (7) radial direction.
6. leading type bottle valve according to claim 1, is characterized in that: described valve body (7) sidewall is provided with the exhaust port (35) being communicated with described lumen (29).
7. leading type bottle valve according to claim 1, is characterized in that: described connecting sleeve (2) lower surface and described valve body (7) upper surface contacting point are provided with the 4th packing ring (19).
8. leading type bottle valve according to claim 1, it is characterized in that: described spool (12) is Split type valve core, it is made up of the valve core rod be separated from each other (121) and attachment cap (122), described valve core rod (121) extends in cavity of resorption (30) by lumen (29), described attachment cap (122) is positioned at described cavity of resorption (30), described valve core rod (121) is threaded with described attachment cap (122), both joints are provided with sealing gasket (33), the upper open end of described cavity of resorption (30) faces down and extends to form sealing surface (32), described sealing surface (32) abuts described sealing gasket (33).
9. leading type bottle valve according to claim 1, it is characterized in that: in described valve body (7), be provided with positioning block (15), described positioning block (15) is sheathed on described spool (12) near middle position, and valve body described in interference fit (7) inwall.
10. leading type bottle valve according to claim 1, is characterized in that: described epicoele (28) outer side wall connectivity trachea joint (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520828349.4U CN205190851U (en) | 2015-10-23 | 2015-10-23 | Guide's formula bottle head valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520828349.4U CN205190851U (en) | 2015-10-23 | 2015-10-23 | Guide's formula bottle head valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205190851U true CN205190851U (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520828349.4U Active CN205190851U (en) | 2015-10-23 | 2015-10-23 | Guide's formula bottle head valve |
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| CN (1) | CN205190851U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202232A (en) * | 2015-10-23 | 2015-12-30 | 西安新竹防灾救生设备有限公司 | Pilot-operated type bottle valve |
| CN109058756A (en) * | 2018-08-17 | 2018-12-21 | 中航飞机起落架有限责任公司 | A kind of air charging system |
-
2015
- 2015-10-23 CN CN201520828349.4U patent/CN205190851U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202232A (en) * | 2015-10-23 | 2015-12-30 | 西安新竹防灾救生设备有限公司 | Pilot-operated type bottle valve |
| CN109058756A (en) * | 2018-08-17 | 2018-12-21 | 中航飞机起落架有限责任公司 | A kind of air charging system |
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