CN207893187U - A kind of gas pipeline self-closing valve - Google Patents
A kind of gas pipeline self-closing valve Download PDFInfo
- Publication number
- CN207893187U CN207893187U CN201720173658.1U CN201720173658U CN207893187U CN 207893187 U CN207893187 U CN 207893187U CN 201720173658 U CN201720173658 U CN 201720173658U CN 207893187 U CN207893187 U CN 207893187U
- Authority
- CN
- China
- Prior art keywords
- valve body
- gas
- main valve
- spring
- valve plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a kind of gas pipeline self-closing valves, main valve body including fuel gas ball valve, it further include the first automatic switch mechanism, second automatic switch mechanism and startup automatic control switch, first automatic switch mechanism is arranged in the air inlet of main valve body, is used to open or because air inlet is automatically closed when gaseous-pressure is less than rated pressure 1/3；The air outlet in main valve body is arranged in second automatic switch mechanism, and air source can be automatically cut off when for hose breakage leakage, gaseous-pressure beyond 35 times of rated pressure range；The inlet end of the main valve body and the valve body of fuel gas ball valve are structure as a whole, and for the inlet end connection gas pipeline of fuel gas ball valve for opening or closing manually, the outlet side of main valve body connects gas hose.The utility model has the beneficial effects that realizing that superpressure, damaged leakage, under-voltage, stopping the supple of gas or steam automatically cuts off air source, ensures gas user safety.
Description
Technical field
The utility model is related to valve of gas pipeline improvement, especially a kind of gas pipeline self-closing valve.
Background technology
Various aspects exploration, research have been carried out thus, it is proposed that a variety of different solutions.Chinese utility model patent ZL
2015 2 0757647.9 give a kind of gas pipeline self-closing valve, by the automatic switch assembly being arranged in main valve body, switch
Assembly by shifting block, pull rod, self-closing spring, rubber valve board group at.Setting is in gas storage storehouse upper port for sealing and being moved using air
Power starts and closes the epithelium of automatic switch assembly, is used for the upper cover of closed group valve body upper port, and through upper cover
Pull rod in switching control mechanism connects pull-button, forms one and completely automatically controls main valve body.The air inlet port of main valve body connects
Ordinary ball valve is connect, manual, automatic integratedization gas pipeline self-closing valve is constituted with main valve body.When pulling pull-button, combustion gas enters storage
Gas storehouse epithelium keeps automatic switch assembly normally-open under rated pressure, when there is damaged leakage, gaseous-pressure it is too low
Or when excessively high, gas supply can automatically cut off air source when stopping the supple of gas or steam, to ensure gas user safety.Due to technology constantly into
Step, above-mentioned Chinese utility model patent ZL 2,015 2 0757647.9 must also constantly update the replacement, it is necessary to upgrade design again
A kind of safer reliable gas pipeline self-closing valve.
Utility model content
Purpose of the utility model is to solve the above problems, devise a kind of gas pipeline self-closing valve.
Realize that above-mentioned purpose the technical solution of the utility model is a kind of gas pipeline self-closing valve, including fuel gas ball valve
Main valve body, further includes the first automatic switch mechanism, the second automatic switch mechanism and starts automatic control switch,
First automatic switch mechanism is arranged in the air inlet of main valve body, is used to open or because gaseous-pressure is less than volume
Air inlet is automatically closed when constant-pressure 1/3；
The air outlet in main valve body is arranged in second automatic switch mechanism, for hose breakage leakage, gaseous-pressure
Air source can be automatically cut off when beyond 3-5 times of rated pressure range；
The inlet end of the main valve body and the valve body of fuel gas ball valve are structure as a whole, and the inlet end of fuel gas ball valve connects combustion gas
For pipeline for opening or closing manually, the outlet side of main valve body connects gas hose.
The main valve body includes the first internal thread, ball valve cavity, the first poly- four Buddhists gasket fitting groove, spring tray assembly
Slot, inlet channel, gas storage storehouse, guide base, vertical pilot hole, laterally steering hole, outlet passageway, the second internal thread, outside second
The one end in screw thread, upper port first annular groove, cylinder, stem guiding hole, the main valve body is connected with ball valve cavity, institute
The other end for stating main valve body is connected with outlet passageway, and the main valve body is internally provided with the gas storage storehouse, in the gas storage storehouse
The heart is equipped with guide base, and the air inlet for being provided centrally with vertical pilot hole, laterally steering hole and main valve body of the guide base is logical
Road and outlet passageway coaxially penetrate through, and the ball valve cavity of the inlet end of the main valve body is inserted into ball valve cavity upper end and stretches out cylinder
The inlet end of valve rod pilot hole, the main valve body is equipped with the first internal thread, and the outlet side of the main valve body is equipped in described second
Screw thread and the second external screw thread.
First automatic switch mechanism include the air inlet control cabinet for setting gradually the inlet end for blocking main valve body, every
Wall, air inlet rubber valve plate, intake leaf, into gas spring, the first spring tray；
The air inlet rubber valve plate is equipped with the first centre bore, and the periphery of first centre bore forms the first bulge loop, institute
It states air inlet rubber valve plate edge and is equipped with the second bulge loop；
Second bulge loop and the first bulge loop upper surface are highly consistent；
The intake leaf includes third valve plate, fourth annular groove, the second guiding axis, the side of the third valve plate
Face is arranged the fourth annular groove, the second guiding axis with outward extension in the fourth annular groove；
First spring tray is equipped with circular hole, and the edge of the circular hole is equipped with third bulge loop, first spring
The edge of pallet is equipped with the 4th bulge loop, and the third bulge loop is highly consistent with the 4th bulge loop；The air inlet rubber valve plate
First centre bore is assemblied in across the second guiding axis in fourth annular groove, and first centre bore sticks on third valve plate,
Second guiding axis sequentially passes through the ball valve cavity of the main valve body, the first poly- four Buddhists gasket fitting groove, spring tray dress
Slot allocation, air inlet control cabinet, and be inserted into the laterally steering hole of gas storage storehouse guide base by inlet channel, described first poly- four
Gas spring and the first spring tray are fitted into successively in Buddhist gasket fitting groove and spring tray fitting groove, it is described into gas spring one
End acts in the annular convex ring of intake leaf, and the other end acts in the annular groove of the first spring tray.
Second automatic switch mechanism includes supporting rack, rubber o-ring, goes out gas spring, air inlet rubber valve plate, air outlet valve
Plate,
Support frame as described above is equipped with centre pilot hole and multiple fan air channels, and the centre pilot hole penetrates through supporting rack
Front and rear surfaces, the edge in the close centre pilot hole of support frame as described above is angularly equipped with multiple fan air channels,
Support frame as described above is equipped with round ring boss, the air inlet of support frame as described above with the surfaces of multiple fan air channel homonymies
End is sealing surface, and the upper surface of the round ring boss is less than the upper surface of sealing surface, the upper surface in the fan air channel
Less than the upper surface of round ring boss；
The outlet rubber valve plate is equipped with the 5th centre bore, and the edge of the 5th centre bore forms the 5th bulge loop,
The edge of the air inlet rubber valve plate is equipped with the 6th bulge loop, and the 5th bulge loop and the 6th bulge loop upper surface are highly consistent；
The outlet valve plate is equipped with valve shaft, and the valve shaft is equipped with the first valve plate, is connected on first valve plate
Second annular groove, is equipped with the first guiding axis flexed outward in the second annular groove, first guiding axis coaxially in
Valve shaft it is front and back；
5th centre bore of the air inlet rubber valve plate is assemblied in across the first guiding axis in second annular groove, and described
Five central holes stick on the first valve plate, and the guide base of the main valve body is inserted into the rear end of first guiding axis
In the laterally steering hole of outlet side；For the outlet spring pocket on the guiding axis, the outlet spring one end is resisted against institute
It states on air inlet rubber valve plate, the other end is sleeved on the round ring boss at the edge of the pilot hole of support frame as described above, described
First guiding axis of the front end of outlet valve plate is inserted into centre pilot hole, and rubber o-ring is assembled on support frame as described above, described
Supporting rack is inserted into the outlet passageway of main valve body and the internal screw-thread screw of support frame as described above and outlet passageway is tightened.
The quantity in the multiple fan air channel is 3, and 3 fan air channels are laid out in isosceles triangle.
The side surface of the round ring boss is equipped with seal groove, and the outlet side of support frame as described above is equipped with the second external screw thread, institute
The end face for stating the outlet side of supporting rack is equipped with multiple fan-shaped recesses communicated.
The startup automatic control switch include pull rod, rubbery membrana dermalis, second spring pallet, nut, control spring, upper cover,
Encapsulation circle, pull-button,
The side surface of the pull rod is equipped with the first external screw thread and the second external screw thread, and the third is arranged in the middle part of the pull rod
The cone is arranged in the tail portion of annular groove and second valve plate, the pull rod；
The second centre bore is equipped at the center of the rubbery membrana dermalis, the edge of second centre bore is that circular ring shape is convex
Platform, the both ends of the rubbery membrana dermalis are equipped with the arc-shaped epithelium of expansion, and annular convex ring is arranged in the edge of the rubbery membrana dermalis；
The bullet the second spring bracket disk is equipped with third centre bore, and it is disk shape that the edge of the third centre bore, which tilts,；
The upper cover is straw hat shape, and the top of the upper cover is equipped with the 4th centre bore, and the edge of upper cover is equipped with compressed part；
The pull rod is arranged in the gas storage storehouse of main valve body, for starting automatic switching under normal or abnormal condition
Structure carries out on or off action；
The rubbery membrana dermalis is turned on and off automatic controls power for air pressure generation in gas storage storehouse；
The upper cover is arranged in main valve body upper port；
The partial threads of the stretching upper cover of the pull-button and pull rod connect.
The cone of the pull rod stretches into the vertical pilot hole of main valve body, the second centre bore assembly of the rubbery membrana dermalis
It in the third annular groove of pull rod, and sticks on the second valve plate, the annular convex ring of the rubbery membrana dermalis is embedded in main valve body
Upper port first annular groove in, the pallet is sleeved on the pull rod, at the external screw thread of the pull rod be set with nut,
To compress pallet and rubbery membrana dermalis, the control spring is sleeved on the pull rod, and described control spring one end acts on pallet,
And the other end acts on lid, the pull rod passes through the 4th centre bore of upper cover, the pull-button to be screwed togather with the pull rod top
It is fixed.
The gas pipeline self-closing valve made using the technical solution of the utility model is lifted up pull-button conducting air source after-burning
Gas is full of gas storage storehouse, and epithelium expansion under the effect of the pressure overcomes the elastic force of control spring that pull rod is driven to be raised above, the circle of pull rod
It is in open state that cone keeps intake leaf in rated range.When gas hose breakage leaks, the gas loss in gas storage storehouse
Weaken beyond metered flow, internal pressure, pull rod moves down under the election of control spring, and the circular cone of pull rod is detached from leading for intake leaf
To bar, the partition wall of intake leaf and main valve body, which is closed, under the action of into gas spring blocks blast tube.When gas storage storehouse, internal pressure is small
When rated pressure, the when of stopping the supple of gas or steam still close air source under the action of controlling spring.When the internal pressure in gas storage storehouse is more than rated pressure
Epithelium drives pull rod to continue to rise, and the cone of pull rod pushes the closure closure combustion gas of the sealing surface of outlet valve plate and supporting rack logical
Road, to realize that superpressure, damaged leakage, under-voltage, stopping the supple of gas or steam automatically cuts off air source, ensures gas user safety.
Description of the drawings
Fig. 1 is the assembly schematic cross-sectional view of the utility model；
Fig. 2 is the assembly configuration schematic diagram of the utility model；
Fig. 3 is the main valve body structure schematic diagram of the utility model；
Fig. 4 is the support frame structure diagram of the utility model；
Fig. 5 is the sectional view in the faces support frame structure K-K of the utility model；
Fig. 6 is the rubber o-ring structural schematic diagram of the utility model；
Fig. 7 is the outlet spring structure schematic diagram of the utility model；
Fig. 8 is the outlet rubber valve plate structure schematic diagram of the utility model；
Fig. 9 is the air outlet valve plate structure schematic diagram of the utility model；
Figure 10 is the drawbar structure diagram of the utility model；
Figure 11 is the air inlet rubber valve plate structure schematic diagram of the utility model；
Figure 12 is the intake leaf structural schematic diagram of the utility model；
Figure 13 is the air inlet spring structure schematic diagram of the utility model；
Figure 14 is the spring tray structural schematic diagram of the utility model；
Figure 15 is the rubbery membrana dermalis structural schematic diagram of the utility model；
Figure 16 is the spring tray structural schematic diagram of the utility model；
Figure 17 is the nut structure schematic diagram of the utility model；
Figure 18 is the control spring structure schematic diagram of the utility model；
Figure 19 is the superstructure schematic diagram of the utility model；
Figure 20 is the encapsulation coil structures schematic diagram of the utility model；
Figure 21 is the pull-button structural schematic diagram of the utility model；
Figure 22 is the poly- four Buddhists gasket structure schematic diagram of the utility model；
Figure 23 is the sphere switch structure diagram of the utility model；
Figure 24 is the hickey structural schematic diagram of the utility model；
Figure 25 is the dustproof network structure schematic diagram of the utility model；
Figure 26 is the hole clip spring structure schematic diagram of the utility model；
Figure 27 is the stem structure schematic diagram of the utility model；
Figure 28 is the rubber o-ring structural schematic diagram of the utility model；
Figure 29 is the knob structure schematic diagram of the utility model；
Figure 30 is the screw structural schematic diagram of the utility model；
In figure, 1, main valve body 2, supporting rack
3, rubber o-ring 4, go out gas spring
5, outlet rubber valve meal 6, outlet valve plate
7, pull rod 8, air inlet rubber valve plate
9, intake leaf 10, into gas spring
11, the first spring tray 12, rubbery membrana dermalis
13, second spring pallet 14, nut
15, spring 16, upper cover are controlled
17, encapsulation circle 18, pull-button
19, poly- four Buddhists gasket 20, sphere switch
21, hickey 22, Air Filter
23, hole clamp spring 24, valve rod
25, rubber o-ring 26, knob
27, screw 28, the first internal thread
29, ball valve cavity 30, the first poly- four Buddhists gasket fitting groove
31, spring tray fitting groove 32, air inlet control cabinet
33, partition wall 34, inlet channel
35, gas storage storehouse 36, guide base
37, vertical pilot hole 38, laterally steering hole
39, outlet passageway 40, the second internal thread
41, the second external screw thread 42, first annular groove
43, cylinder 44, valve rod pilot hole
45, sealing surface 46, pilot hole
47, fan air channel 48, seal groove
49, the second external screw thread 50, fan-shaped recess
51, the 6th bulge loop 52, the 5th centre bore
53, valve shaft 54, the first valve plate
55, second annular groove 56, the first guiding axis
57, the 5th external screw thread 58, the 4th external screw thread
59, third annular groove 60, the second valve plate
61, cone 62, the second bulge loop
63, the first centre bore 64, the second guiding axis
65, fourth annular groove 66, third valve plate
67, annular convex platform 68, annular groove
69, the second centre bore 70, arc-shaped epithelium
71, annular convex platform 72, third centre bore
73, the 4th centre bore 74, compression plate
75, external screw thread 76, the second poly- four Buddhists gasket fitting groove
77, undercut 78, the first bulge loop
79, third bulge loop 80, the 4th bulge loop
81, the 5th bulge loop 82, round ring boss.
Specific implementation mode
The utility model is specifically described below in conjunction with the accompanying drawings, as shown in Fig. 1 to Figure 30, a kind of gas pipeline is self-closing
Valve includes the main valve body 1 of fuel gas ball valve, further includes the first automatic switch mechanism, the second automatic switch mechanism and the automatic control of startup
System switch, the first automatic switch mechanism are arranged in the air inlet of main valve body 1, are used to open or because gaseous-pressure is less than specified
Air inlet is automatically closed when pressure 1/3；The air outlet in main valve body 1 is arranged in second automatic switch mechanism, is used for gas hose
Air source can be automatically cut off when breakage leakage, gaseous-pressure are beyond 3-5 times of rated pressure range；The inlet end of main valve body 1 and combustion gas
The valve body of ball valve is structure as a whole, and the inlet end connection gas pipeline of fuel gas ball valve is used to open or close manually, main valve body 1
Outlet side connects gas hose；Main valve body 1 includes the first internal thread 28, ball valve cavity 29, the first poly- four Buddhists gasket fitting groove
30, spring tray fitting groove 31, inlet channel 34, gas storage storehouse 35, guide base 36, vertical pilot hole 37, laterally steering hole 38,
Outlet passageway 39, the second internal thread 40, the second external screw thread 41, upper port first annular groove 42, cylinder 43, valve rod pilot hole
44, one end of main valve body 1 is connected with ball valve cavity 29, and the other end of main valve body 1 is connected with outlet passageway 39, main valve body 1
It is internally provided with gas storage storehouse 35, the center in gas storage storehouse 35 is equipped with guide base 36, and guide base 36 is provided centrally with vertical guiding
The coaxial perforation of inlet channel 34 and outlet passageway 39 in hole 37, laterally steering hole 38 and main valve body 1, the inlet end of main valve body 1
Ball valve cavity 29 is inserted into the valve rod pilot hole 44 that cylinder 43 is stretched out in 29 upper end of ball valve cavity, and the inlet end of main valve body 1 is equipped with the
The outlet side of one internal thread 28, main valve body 1 is equipped with the second internal thread 40 and the second external screw thread 41；First automatic switch mechanism includes
Set gradually the air inlet control cabinet 32 of the inlet end for blocking main valve body 1, partition wall 33, air inlet rubber valve plate 8, intake leaf 9,
Into gas spring 10, the first spring tray 11；Air inlet rubber valve plate 8 is equipped with the first centre bore 63, the periphery of the first centre bore 63
The first bulge loop 78 is formed, 8 edge of air inlet rubber valve plate is equipped with the second bulge loop 62；78 upper surface of second bulge loop 62 and the first bulge loop
It is highly consistent；Intake leaf 9 include third valve plate 66, fourth annular groove 65, the second guiding axis 64, third valve plate 66
One side is arranged fourth annular groove 65, the second guiding axis 64 with outward extension in fourth annular groove 65；First spring
Pallet 11 is equipped with circular hole, and the edge of circular hole is equipped with third bulge loop 79, and the edge of the first spring tray 11 is convex equipped with the 4th
Ring 80, third bulge loop 79 are highly consistent with the 4th bulge loop 80；First centre bore 63 of air inlet rubber valve plate 8 passes through second to be oriented to
Axis 64 is assemblied in fourth annular groove 65, and the first centre bore 63 sticks on third valve plate 66, and the second guiding axis 64 is worn successively
Ball valve cavity 29, the first poly- four Buddhists gasket fitting groove 30, spring tray fitting groove 31, the air inlet control cabinet 32 of main valve body 1 are crossed,
And be inserted by inlet channel 34 in the laterally steering hole 38 of 35 guide base 36 of gas storage storehouse, in the first poly- four Buddhists gasket dress
Gas spring 10 and the first spring tray 11 are fitted into successively in slot allocation 30 and spring tray fitting groove 31, into 10 one end of gas spring
It acts in the annular convex ring 67 of intake leaf 9, the other end acts in the annular groove 68 of the first spring tray 11；Second
Automatic switch mechanism includes supporting rack 2, rubber o-ring 3, goes out gas spring 4, air inlet rubber valve plate 8, outlet valve plate 6, supporting rack 2
It is equipped with centre pilot hole 46 and multiple fan air channels 47, centre pilot hole 46 penetrates through the front and rear surfaces of supporting rack 2, support
The edge in the close centre pilot hole 46 of frame 2 angularly be equipped with multiple fan air channels 47, supporting rack 2 with multiple fans
The surface of 47 homonymy of shape gas passage is equipped with round ring boss 82, and the inlet end of supporting rack 2 is sealing surface 45, and circular ring shape is convex
The upper surface of platform is less than the upper surface of sealing surface 45, and the upper surface in fan air channel 47 is less than the upper surface of round ring boss,
Outlet rubber valve plate 5 is equipped with the 5th centre bore 52, and the edge of the 5th centre bore 52 forms the 5th bulge loop 81, air inlet rubber valve
The edge of plate 8 is equipped with the 6th bulge loop 51, and the 5th bulge loop 81 and 51 upper surface of the 6th bulge loop are highly consistent；It is set on outlet valve plate 6
There are valve shaft 53, valve shaft 53 to be equipped with the first valve plate 54, second annular groove 55 is connected on the first valve plate 54, the second annular is recessed
The first guiding axis 56 flexed outward is equipped in slot 55, the first guiding axis 56 is coaxially before and after valve shaft 53；Air inlet rubber valve
5th centre bore 52 of plate 8 is assemblied in across the first guiding axis 56 in second annular groove 55, is sticked at the 5th centre bore 52
On first valve plate 54, the laterally steering hole 38 of the outlet side of the guide base 36 of main valve body 1 is inserted into the rear end of the first guiding axis 56
It is interior；Go out gas spring 4 to be sleeved on the first guiding axis 56, goes out 4 one end of gas spring and be resisted against on air inlet rubber valve plate 8, another end cap
On the round ring boss 82 at the edge of the pilot hole 46 of supporting rack 2, the first guiding axis 56 of the front end of outlet valve plate 6 is inserted
Enter in centre pilot hole 46, rubber o-ring 3 is assembled on supporting rack 2, supporting rack 2 is inserted into the outlet passageway 39 of main valve body 1 and supports
The internal thread 40 of frame 2 and outlet passageway 39, which screws togather, to be tightened；The quantity in multiple fan air channels 47 is 3, and 3 fan airs are logical
Road 47 is laid out in isosceles triangle；The side surface of round ring boss is equipped with seal groove 48, and the outlet side of supporting rack 2 is equipped with the second external screw thread
49, the end face of the outlet side of supporting rack 2 is equipped with multiple fan-shaped recesses 50 communicated；Switch includes 7 rubbery membrana dermalis 12, second of pull rod
Spring tray 13, nut 14, control spring 15, upper cover 16, encapsulation circle 17, pull-button 18, the side surface of pull rod 7 are equipped with the first external screw thread
57 and second external screw thread 58, the middle part setting third annular groove 59 of pull rod 7 and the second valve plate 60, the tail portion setting circle of pull rod 7
Cone 61；The second centre bore 69 is equipped at the center of rubbery membrana dermalis 12, the edge of the second centre bore 69 is round ring boss, rubber
The both ends of rubber film 12 are equipped with the arc-shaped epithelium 70 of expansion, and annular convex ring 71 is arranged in the edge of rubbery membrana dermalis 12；Second bullet
Spring bracket disk 13 is equipped with third centre bore 72, and it is disk shape that the edge of third centre bore 72, which tilts,；Upper cover 16 is straw hat shape,
The top of upper cover 16 is equipped with the 4th centre bore 73, and the edge of upper cover 16 is equipped with compressed part 74；Pull rod 7 is arranged in main valve body 1
In gas storage storehouse 35, on or off action is carried out for starting automatic switch mechanism under normal or abnormal condition；Rubbery membrana dermalis 12,
It is turned on and off automatic controls power for air pressure generation in gas storage storehouse 35；Upper cover 16 is arranged in 1 upper port of main valve body；It draws
Button 18 is connect with the partial threads of the stretching upper cover 16 of pull rod 7；The cone 61 of pull rod 7 stretches into the vertical pilot hole of main valve body 1
In 37, the second centre bore 69 of rubbery membrana dermalis 12 is assemblied in the third annular groove 59 of pull rod 7, and sticks on the second valve plate
On 60, the annular convex ring 71 of rubbery membrana dermalis 12 is embedded in the first annular groove 42 of the upper port of main valve body 1, and pallet 13 is set with
On pull rod 7, nut 14 is set at the external screw thread 58 of pull rod 7, to compress pallet 13 and rubbery membrana dermalis 12, control spring 15 is set with
On pull rod 7, control spring one end acts on pallet 13, and the other end acts in upper cover 16, and pull rod 7 passes through the of upper cover 16
Four centre bores 73, pull-button 18 screw togather fixation with 7 top of pull rod.
The characteristics of the technical program is that the first automatic switch mechanism is arranged in the air inlet of main valve body 1, be used to open or
Because air inlet is automatically closed when gaseous-pressure is less than rated pressure 1/3；The outlet in main valve body 1 is arranged in second automatic switch mechanism
Port can automatically cut off air source when for gas hose breakage leakage, gaseous-pressure beyond 3-5 times of rated pressure range；Main valve
The inlet end of body 1 and the valve body of fuel gas ball valve are structure as a whole, and the inlet end connection gas pipeline of fuel gas ball valve for beating manually
On or off is closed, and the outlet side of main valve body 1 connects gas hose.
In the technical scheme, the ball valve inlet end of wherein inlet end is connect with gas pipeline, outlet side and gas hose
Connection.The upper port being interconnected with main valve body 1 and guide base 36 positioned at 35 center of gas storage storehouse, in guide base 36
The heart is provided with the coaxial perforation of inlet channel 34 and outlet passageway 39 of vertical pilot hole 37, laterally steering hole 38 and main valve body 1,
Main valve body 1 air inlet control cabinet 32 between the laterally steering hole 38 of guide base 36, be provided with air inlet rubber valve plate 8, into
Valve plate 9 is combined into the automatic switch mechanism for being used to open or closing air inlet into gas spring 11, spring tray 12, by main valve
The outlet passageway 39 of body 1 is provided with supporting rack 2, rubber o-ring 3, outlet between the laterally steering hole 38 of guide base 36
Spring 4, outlet rubber valve plate 5, outlet valve plate 6 are combined into the automatic switch mechanism for closing gas outlet, wherein by gas storage storehouse
In 35 in the vertical pilot hole 37 of guide base 36 to equipped pull rod 7 other than upper cover, rubbery membrana dermalis 12, second spring pallet 13,
Nut 14, control spring 15, upper cover 16, pull-button 18 are combined into the switch for starting automatic controls.
In the technical scheme, the rising of 18 linkage pull rod 7 of pull-button is pulled up, the cone 60 of pull rod 7 squeezes intake valve
The automatic switch mechanism intake leaf 9 that plate 9 opens air inlet is detached from the conducting air source of partition wall 37, when in breakage leakage, gas storage storehouse
Pressure be less than minimum pressure range when rubbery membrana dermalis 12 bounce back, under the action of control spring, pull rod 7 decline disengaging cone 60 into
Valve plate 9, intake leaf 9 and 37 closed amputation air source of partition wall.The rubbery membrana dermalis 12 when the internal pressure in gas storage storehouse is more than rated pressure
Continue to rise, the cone 60 of pull rod 7 pushes the 45 closed amputation air source of sealing surface of outlet valve plate 6 and supporting rack 2.
In the technical scheme, inlet end automatic switch mechanism includes:It sets gradually for blocking 1 air inlet of main valve body
The air inlet rubber valve plate 8 of 32 partition wall 37 of air inlet control cabinet at end, intake leaf 9, into gas spring 10, the first spring tray 11,
The third valve plate 66 of intake leaf 9 is connected fourth annular groove 65, and the second guiding axis 64 is arranged other than fourth annular groove 65,
The centre bore 63 of air inlet rubber valve plate 8 is assemblied in note in fourth annular groove 65 across the second guiding axis 64 and leans against third valve plate
After on 66, then by the second guiding axis 64 across ball valve cavity 29, the first poly- four Buddhists gasket fitting groove 30, the spring of main valve body 1
Pallet fitting groove 31, air inlet control cabinet 32 are inserted into the laterally steering hole 38 of 35 guide base 36 of gas storage storehouse by inlet channel 34
Afterwards, then by 29 first poly- four Buddhists gasket fitting groove, 30 spring tray fitting groove 31 of ball valve cavity gas spring 10 is fitted into successively
One spring tray, 11 first spring tray 11 is inlaid in spring tray fitting groove 31, into 10 one end of gas spring act on into
In the annular convex platform 67 of valve plate 9, two one end act in the annular groove 68 of the first spring tray 11.
In the technical scheme, the supporting rack 2, rubber o-ring 3, outlet for blocking 1 outlet side of main valve body are set gradually
Spring 4, air inlet rubber valve plate 8, outlet valve plate 6, wherein as shown in figure 4, the plane of 2 inlet end of supporting rack be set as sealing
It is cylindrical boss before and after the centre pilot hole 46 of 45 supporting rack 2 of face runs through supporting rack 2, other than pilot hole 46, it is cylindrical
Boss is less than branch sealing surface 45, and the periphery of pilot hole 46 is arranged 3 fan airs logical 47 and is laid out in isosceles triangle, fan air channel
47 plane is less than the cylindrical boss of pilot hole 46, and the outer circle of 2 adjacent inlet end sealing surface 45 of supporting rack is equipped with seal groove 48,
Outlet side be equipped with the second external screw thread 49, the end face of outlet side is three fan-shaped recesses 50 communicated, outlet valve plate 6 valve shaft
53, which are equipped with the first valve plate 54, is connected second annular groove 55, and the first guiding axis 56 is coaxially before and after valve shaft 53.Air inlet rubber
5th centre bore 52 of glue valve plate 8, which is assemblied in across valve shaft 56 in second annular groove 55, to be sticked on the first valve plate 54,
The rear end of first guiding axis 56 is inserted into the laterally steering hole 38 of 1 guide base of main valve body, 36 outlet side, go out 4 sets of gas spring
On valve shaft 53, goes out 4 one end of gas spring and be resisted against on air inlet rubber valve plate 8, the other end is sleeved on the pilot hole of supporting rack 2
On the boss on 46 peripheries, the first guiding axis 56 of 6 front end of outlet valve plate is inserted into the laterally steering hole 38 of branch guide base 36,
Supporting rack 2 groove 47 in the outer circle of supporting rack 2 is inserted into the outlet passageway 39 of main valve body 1 and gone out after assembly rubber o-ring 3
The internal thread 40 in gas channel 39, which screws togather, to be tightened.
In the technical scheme, the startup automatic control switch in 1 gas storage storehouse 35 of main valve body includes 7 rubbery membrana dermalis of pull rod
12, second spring pallet 13, nut 14, control spring 15, upper cover 16, encapsulation circle 17, pull-button 18, pull rod 7, the top of pull rod is set
There are external screw thread 57, external screw thread 58, intermediate setting third annular groove 59, the second valve plate 60, cone is arranged in the tail portion of pull rod 7
61, rubbery membrana dermalis 12 69 periphery of centre bore be cylindrical boss and expansion arc-shaped epithelium 70, arc-shaped epithelium 70 weeks
Side be arranged annular convex platform 71, second spring pallet 13 72 periphery of centre bore tilt be disk shape, upper cover 16 be straw hat shape,
The top of upper cover 16 is equipped with centre bore 73, and it is compression plate 74 that plane, which is unfolded, in straw hat shape, the cone 61 of pull rod 7 stretch into main valve body
In the vertical pilot hole 37 of 1 guide base 36, the centre bore 69 of rubbery membrana dermalis 12 is assemblied in the third annular groove 59 of pull rod 7
It inside sticks on the second valve plate 60, the annular convex platform 71 of rubbery membrana dermalis 12 is embedded in the first annular groove of 1 upper port of main valve body
In 42, pallet 13 is sleeved on 7 external screw thread 59 of pull rod, compresses pallet 13 and rubbery membrana dermalis 12 with nut 14, control spring 15 is set with
On pull rod 7, control spring one end acts on the other end on pallet 13 and acts in upper cover 16, and pull rod 7 passes through the centre bore of upper cover
73, it is sleeved on compression, sealing, bending, fixation in the upper port of 16 rubbery membrana dermalis 12 of upper cover, main valve body 1 with encapsulation circle 17, it will be upper
16 rubbery membrana dermalis 12 of lid is connected as one with main valve body 1, pull-button 18 and stretch out the external screw thread 57 on 16 pull rod of upper cover 7 top and screw togather
It is fixed.
In the technical scheme, ball valve switch includes poly- four Buddhists gasket 19, sphere switch 20,21 Air Filter of hickey
22, hole clamp spring 23, valve rod 24, rubber o-ring 25, knob 26, screw 27, hickey 21 are provided with the 5th external screw thread 75,
Four Buddhist gasket fitting groove 76 of dimerization, undercut 75, ball valve is identical as common assembly sequency, and valve rod 24 is set with two RUBBER Os
The valve rod assembly that cylinder 43 is stretched out in 29 upper end of ball valve cavity is inserted by the ball valve cavity 29 of 1 inlet end of main valve body after shape circle 25
Hole 44 is fastened after being equipped with knob 26 with screw 27, as shown in Figure 1, the first poly- four of poly- four Buddhists gasket 19 insertion main valve body 1
Buddhist gasket fitting groove 30, the boss that the recess of sphere switch 20 corresponds to valve rod 24 are assemblied in the centre of ball valve cavity 29, sphere
Switch 20 is resisted against on poly- four Buddhists gasket 19, and the second poly- four Buddhists gasket fitting groove 76 of hickey 21 is embedded in poly- four Buddhist
The internal thread 28 of gasket 19, the 5th external screw thread 75 of hickey 21 and 1 ball valve cavity inlet end of main valve body screws togather fastening,
Hickey 21 is equipped with Air Filter 22, hole clamp spring successively unlike ordinary ball valve in the undercut 77 of hickey 21
23, it is combined into a complete gas pipeline self-closing valve.
Self-closing valve in the technical program, the manually opened or closing motion for the ball valve being connected as one, is twisted to the left to open
Valve is opened, is twisted to the right to close valve.
Self-closing valve in the technical program lifts button conducting air source upwards after opening manually-operated gate, and rubbery membrana dermalis 12 expands
It drives the cone 61 that pull rod 7 rises pull rod 7 in normal state to push the conducting air source of intake leaf 9 open, keeps for gaseity.
Self-closing valve in the technical program, when there is damaged leakage, supply gas pressure when being less than rated range, the when of stopping the supple of gas or steam,
The retraction of rubbery membrana dermalis 12 drives pull rod 7 to decline under the action of controlling spring, and the cone 1 of bar 7 is detached from intake leaf 9 in air inlet
The partition wall 33 of intake leaf 9 and 1 air inlet control cabinet 32 of main valve body, which is closed, under the action of spring 10 blocks blast tube, closes gas
Source, ensure when damaged leakage, when supply gas pressure is less than rated range, the when of stopping the supple of gas or steam accident does not occur.
Self-closing valve in the technical program, when occurring beyond 3 times of rated pressure or more, rubbery membrana dermalis 12 continues to expand
Pull rod 7 is driven to continue to rise, the cone 61 of bar 7 pushes outlet valve plate 6 to move forward and sealed with the sealing surface 45 of supporting rack 2 closure
Stifled blast tube, closes air source, and accident does not occur when ensureing supply gas pressure superpressure.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solutions of the utility model, the technology of the art
Personnel embody the principles of the present invention to some variations that some of which part may be made, and belong to the utility model
Protection domain within.
Claims (7)
1. a kind of gas pipeline self-closing valve includes the main valve body (1) of fuel gas ball valve, which is characterized in that further include first opening automatically
Shutting mechanism, the second automatic switch mechanism and startup automatic control switch,
First automatic switch mechanism is arranged in the air inlet of main valve body (1), is used to open or because gaseous-pressure is less than volume
Air inlet is automatically closed when constant-pressure 1/3；
The second automatic switch mechanism setting is used for gas hose breakage leakage, gas pressure in the air outlet of main valve body (1)
Air source can be automatically cut off when power is beyond 3-5 times of rated pressure range；
The inlet end of the main valve body (1) and the valve body of fuel gas ball valve are structure as a whole, and the inlet end of fuel gas ball valve connects combustion gas
For pipeline for opening or closing manually, the outlet side of main valve body (1) connects gas hose；
The main valve body (1) include the first internal thread (28), ball valve cavity (29), the first poly- four Buddhists gasket fitting groove (30),
Spring tray fitting groove (31), gas storage storehouse (35), guide base (36), vertical pilot hole (37), is laterally led at inlet channel (34)
To hole (38), outlet passageway (39), the second internal thread (40), the second external screw thread (41), upper port first annular groove (42), circle
One end of cylinder (43), valve rod pilot hole (44), the main valve body (1) is connected with ball valve cavity (29), the main valve body (1)
The other end be connected with outlet passageway (39), the main valve body (1) is internally provided with the gas storage storehouse (35), the gas storage storehouse
(35) center is equipped with guide base (36), and the guide base 36 is provided centrally with vertical pilot hole (37), laterally steering
Inlet channel (34) and outlet passageway (39) coaxial perforation of the hole (38) with main valve body 1, the ball of the inlet end of the main valve body (1)
Valve chamber (29) is inserted into the valve rod pilot hole (44) that cylinder (43) is stretched out in ball valve cavity (29) upper end, the main valve body (1)
Inlet end is equipped with the first internal thread (28), and the outlet side of the main valve body (1) is equipped with outside second internal thread (40) and second
Screw thread (41).
2. a kind of gas pipeline self-closing valve according to claim 1, which is characterized in that the first automatic switch mechanism packet
Include the air inlet control cabinet (32) for setting gradually the inlet end for blocking main valve body (1), partition wall (33), air inlet rubber valve plate (8),
Intake leaf (9), into gas spring (10), the first spring tray (11)；
The air inlet rubber valve plate (8) is equipped with the first centre bore (63), and the periphery of first centre bore (63) forms first
Bulge loop (78), air inlet rubber valve plate (8) edge are equipped with the second bulge loop (62)；
Second bulge loop (62) and the first bulge loop (78) upper surface are highly consistent；
The intake leaf (9) includes third valve plate (66), fourth annular groove (65), the second guiding axis (64), described
The fourth annular groove (65) is arranged in the one side of third valve plate (66), be equipped in the fourth annular groove (65) to
The second guiding axis (64) of outer extension；
First spring tray (11) is equipped with circular hole, and the edge of the circular hole is equipped with third bulge loop (79), and described first
The edge of spring tray (11) is equipped with the 4th bulge loop (80), the height one of the third bulge loop (79) and the 4th bulge loop (80)
It causes；The first centre bore (63) of the air inlet rubber valve plate (8) is assemblied in fourth annular groove across the second guiding axis (64)
(65) in, first centre bore (63) sticks on third valve plate (66), and second guiding axis (64) sequentially passes through described
The ball valve cavity (29) of main valve body (1), the first poly- four Buddhists gasket fitting groove (30), spring tray fitting groove (31), into gas control
Cabin (32) processed, and be inserted into the laterally steering hole (38) of gas storage storehouse (35) guide base (36) by inlet channel (34), in institute
It states in the first poly- four Buddhists gasket fitting groove (30) and spring tray fitting groove (31) and fits into gas spring (10) and first successively
Spring tray (11), described to be acted on into gas spring (10) one end in the annular convex ring (67) of intake leaf (9), other end effect
In the annular groove (68) of the first spring tray (11).
3. a kind of gas pipeline self-closing valve according to claim 1, which is characterized in that the second automatic switch mechanism packet
It includes supporting rack (2), rubber o-ring (3), go out gas spring (4), air inlet rubber valve plate (8), outlet valve plate (6),
Support frame as described above (2) is equipped with centre pilot hole (46) and multiple fan air channels (47), the centre pilot hole
(46) front and rear surfaces of perforation supporting rack (2), the edge of the close centre pilot hole (46) of support frame as described above (2) is angularly set
There are multiple fan air channels (47), the table with multiple fan air channel (47) homonymies of support frame as described above (2)
Face is equipped with round ring boss (82), and the inlet end of support frame as described above (2) is sealing surface (45), the upper table of the round ring boss
Face is less than the upper surface of sealing surface (45), and the upper surface of the fan air channel (47) is less than the upper surface of round ring boss；
The outlet rubber valve plate (5) is equipped with the 5th centre bore (52), and the edge of the 5th centre bore (52) forms the
The edge of five bulge loops (81), the air inlet rubber valve plate (8) is equipped with the 6th bulge loop (51), the 5th bulge loop (81) and the 6th
Bulge loop (51) upper surface is highly consistent；
The outlet valve plate (6) be equipped with valve shaft (53), the valve shaft (53) be equipped with the first valve plate (54), described first
It is connected annular groove (55) on valve plate (54), is equipped with the first guiding axis (56) flexed outward in the annular groove (55), described the
One guiding axis (56) is coaxially in the front and back of valve shaft (53)；
5th centre bore (52) of the air inlet rubber valve plate (8) is assemblied in across the first guiding axis (56) in annular groove (55),
It is sticked on the first valve plate (54) at 5th centre bore (52), the main valve is inserted into the rear end of first guiding axis (56)
In the laterally steering hole (38) of the outlet side of the guide base (36) of body (1)；It is described go out gas spring (4) be sleeved on described
On one guiding axis (56), it is described go out gas spring (4) one end be resisted against on the air inlet rubber valve plate (8), the other end is sleeved on institute
On the round ring boss (82) for stating the edge of the pilot hole (46) of supporting rack (2), the institute of the front end of the outlet valve plate (6)
It states the first guiding axis (56) to be inserted into centre pilot hole (46), rubber o-ring (3), the support is assembled on support frame as described above (2)
Frame (2) is inserted into the outlet passageway (39) of main valve body (1) and support frame as described above (2) and the internal thread (40) of outlet passageway (39) screw togather
It tightens.
4. a kind of gas pipeline self-closing valve according to claim 3, which is characterized in that the multiple fan air channel
(47) quantity is 3, and 3 fan air channels (47) are laid out in isosceles triangle.
5. a kind of gas pipeline self-closing valve according to claim 3, which is characterized in that the side surface of the round ring boss
Equipped with seal groove (48), the outlet side of support frame as described above (2) is equipped with the second external screw thread (49), the outlet side of support frame as described above (2)
End face be equipped with multiple fan-shaped recesses (50) communicated.
6. a kind of gas pipeline self-closing valve according to claim 1, which is characterized in that the startup automatic control switch packet
Include pull rod (7), rubbery membrana dermalis (12), second spring pallet (13), nut (14), control spring (15), upper cover (16), encapsulation circle
(17), pull-button (18),
The side surface of the pull rod (7) is equipped with the first external screw thread (57) and the second external screw thread (58), is set in the middle part of the pull rod (7)
Set third annular groove (59) and the second valve plate (60), the tail portion setting cone (61) of the pull rod (7)；
The second centre bore (69) is equipped at the center of the rubbery membrana dermalis (12), the edge of second centre bore (69) is circle
Annular convex platform, the both ends of the rubbery membrana dermalis (12) are equipped with the arc-shaped epithelium (70) of expansion, the side of the rubbery membrana dermalis (12)
Annular convex ring (71) is set at edge；
The second spring pallet (13) is equipped with third centre bore (72), and the edge of the third centre bore (72), which tilts, is
Disk shape；
The upper cover (16) is straw hat shape, and the top of the upper cover (16) is equipped with the 4th centre bore (73), the edge of upper cover (16)
Place is equipped with compressed part (74)；
Pull rod (7) setting is automatic for starting under normal or abnormal condition in the gas storage storehouse (35) of main valve body (1)
Switching mechanism carries out on or off action；
The rubbery membrana dermalis (12) is turned on and off automatic controls power for gas storage storehouse (35) interior air pressure generation；
The upper cover (16) is arranged in main valve body (1) upper port；
The pull-button (18) connect with the partial threads of the stretching upper cover (16) of pull rod (7).
7. gas pipeline self-closing valve according to claim 6, which is characterized in that the cone (61) of the pull rod (7) is stretched
In the vertical pilot hole (37) for entering main valve body (1), the second centre bore (69) of the rubbery membrana dermalis (12) is assemblied in pull rod (7)
It in third annular groove (59), and sticks on the second valve plate (60), the annular convex ring (71) of the rubbery membrana dermalis (12) is embedded
In the first annular groove (42) of the upper port of main valve body (1), the pallet (13) is sleeved on the pull rod (7), described
Nut (14) is set at the external screw thread (58) of pull rod (7), to compress pallet (13) and rubbery membrana dermalis (12), the control spring
(15) it is sleeved on the pull rod (7), described control spring one end acts on pallet (13), and the other end acts on upper cover (16)
On, the pull rod (7) passes through the 4th centre bore (73) of upper cover (16), the pull-button (18) to be screwed togather with the pull rod (7) top
It is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720173658.1U CN207893187U (en) | 2017-02-26 | 2017-02-26 | A kind of gas pipeline self-closing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720173658.1U CN207893187U (en) | 2017-02-26 | 2017-02-26 | A kind of gas pipeline self-closing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207893187U true CN207893187U (en) | 2018-09-21 |
Family
ID=63546449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720173658.1U Expired - Fee Related CN207893187U (en) | 2017-02-26 | 2017-02-26 | A kind of gas pipeline self-closing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207893187U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763954A (en) * | 2017-02-26 | 2017-05-31 | 台州中燃机械有限公司 | A kind of gas pipeline self-closing valve |
| CN109058534A (en) * | 2018-10-10 | 2018-12-21 | 李仲伦 | A kind of mechanical pipe gas self-closing valve |
-
2017
- 2017-02-26 CN CN201720173658.1U patent/CN207893187U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763954A (en) * | 2017-02-26 | 2017-05-31 | 台州中燃机械有限公司 | A kind of gas pipeline self-closing valve |
| CN109058534A (en) * | 2018-10-10 | 2018-12-21 | 李仲伦 | A kind of mechanical pipe gas self-closing valve |
| CN109058534B (en) * | 2018-10-10 | 2023-08-15 | 台州联自环化阀门有限公司 | Mechanical pipeline gas self-closing valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207893187U (en) | A kind of gas pipeline self-closing valve | |
| CN201218345Y (en) | Self-closing valve for gas leakage, gas ultra-underpressure and hose drop-off of household pipe | |
| CN209278569U (en) | A kind of mechanical pipe gas self-closing valve | |
| CN117267429B (en) | Timing self-closing valve | |
| CN106763954A (en) | A kind of gas pipeline self-closing valve | |
| CN201180830Y (en) | Self-closing valve for household pipe gas ultra-underpressure, micro-leakage and falling of hose | |
| CN111720094A (en) | Gas-collecting gas well remote switch valve core, equipment and use method thereof | |
| CN201126297Y (en) | LED illumination, fresh-keeping modular control circuit and refrigerator containing the circuit | |
| CN207246492U (en) | A kind of liquid control valve of liquid fuel range | |
| CN111219509A (en) | Modular mechanical pipeline gas self-closing valve | |
| CN106439094B (en) | A kind of stable trigger valve of Pneumatic-control type | |
| CN109058534A (en) | A kind of mechanical pipe gas self-closing valve | |
| CN212428722U (en) | Gas collection gas well remote switch case and equipment | |
| CN207393966U (en) | A kind of pressure limiting angle valve | |
| CN208533658U (en) | Pipeline drainer | |
| CN206191046U (en) | Low pressure valve releaser | |
| CN204062068U (en) | A kind of carbon dioxide reduction valve | |
| CN207813889U (en) | The Water pump pressure controller of output control signal and flow can be stablized | |
| CN214580410U (en) | Safety air leakage structure of air gun | |
| CN216643201U (en) | Manual and pneumatic integrated valve | |
| CN117781001B (en) | Leakage-proof gas timing self-closing valve | |
| CN204533640U (en) | A kind of full-open type vacuum diaphragm valve | |
| CN110671724A (en) | Safety range for liquefied gas | |
| CN217583196U (en) | Self-closing valve for large-flow gas pipeline | |
| CN212429861U (en) | Start and stop structure of high pressure cleaner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180921 Termination date: 20190226 |