CN106090414A - A kind of cylinder for liquefied gas fills tamper valve with anti- - Google Patents
A kind of cylinder for liquefied gas fills tamper valve with anti- Download PDFInfo
- Publication number
- CN106090414A CN106090414A CN201610666673.XA CN201610666673A CN106090414A CN 106090414 A CN106090414 A CN 106090414A CN 201610666673 A CN201610666673 A CN 201610666673A CN 106090414 A CN106090414 A CN 106090414A
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- China
- Prior art keywords
- valve
- groove
- tamper
- sealing plate
- antiwithdrawal device
- 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.)
- Granted
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- 230000002512 anti-withdrawal effect Effects 0.000 claims abstract description 74
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims description 105
- 244000309464 bull Species 0.000 claims description 6
- 208000002925 dental caries Diseases 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 52
- 238000010586 diagram Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 210000001624 hip Anatomy 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K35/00—Means to prevent accidental or unauthorised actuation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K35/00—Means to prevent accidental or unauthorised actuation
- F16K35/16—Means to prevent accidental or unauthorised actuation with locking member actuated by magnet
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a kind of cylinder for liquefied gas and fill tamper valve with anti-, this valve includes handle, valve body, described valve body is three-port structure, and its side mouth is inflation inlet, and top connects handle, valve body lower portion connects antiwithdrawal device at the bottom of valve, in the vertical inner chamber of valve body, inflation inlet area above, it is provided with valve top antiwithdrawal device, below the antiwithdrawal device of valve top, is provided with interference copper ring, in the vertical inner chamber of valve body, inflation inlet region below, it is provided with spool;The present invention is provided with double Anti-dismounting structure, antiwithdrawal device at the bottom of valve top antiwithdrawal device and valve, valve top antiwithdrawal device needs to use the regular removal tool special filling gas company and just can disassemble, the spool of central region has anti-inflatable structure, also it is to need the regular air gun filling gas company special to be inflated, ensureing the safety of cylinder filling gas, antiwithdrawal device at the bottom of valve is also an anti-dismounting structure.Two Anti-dismounting structures of whole valve and one is anti-to fill structure and makes steel cylinder have good security performance.
Description
Technical field
The present invention relates to lpg filling technical field, fill tamper more particularly to a kind of cylinder for liquefied gas with anti-
Valve.
Background technology
In recent years, liquefied gas, as a kind of New-type fuel, has quickly entered huge numbers of families, but owing to filling liquefied gas
Cylinder for liquefied gas potential safety hazard that may be present, the person of entail dangers to user and the safety of property.
At present, in lpg filling industry, having and many non-normal fill a business, these fill and a little do not fill money
Matter, filling equipment and the technology that fills do not reach the requirement of national regulation, there is bigger safety when to liquefied gas pneumatic inflation
Hidden danger.
For guaranteeing user's security of the lives and property, currently used liquefied gas cylinder valve has fixed point and fills function, and then
Cylinder for liquefied gas is made to use fixed point to fill mode, it is possible to for the management archives of cylinder for liquefied gas Erecting and improving.
But, above-mentioned valve in actual use, violation operation or malicious sabotage, cause cylinder for liquefied gas limit to fill mistake
Effect, causes using of cylinder for liquefied gas to there is bigger potential safety hazard, and the security of the lives and property of user in serious threat.
In sum, how to improve the cylinder for liquefied gas limit caused because of violation operation or malicious sabotage and fill the problem of inefficacy,
With reduce cylinder for liquefied gas use present in potential safety hazard, be current those skilled in the art technical problems urgently to be resolved hurrily.
In prior art, spool is easy to be opened, and non-normal a little direct air gun that fills is inflated, and causes gas cylinder
Spool folding impaired, directly influence the use safety of steel cylinder.
Summary of the invention
For deficiency of the prior art, the technical problem to be solved in the present invention there are provided a kind of cylinder for liquefied gas and uses
Prevent filling tamper valve.
For solving above-mentioned technical problem, the present invention is realized by below scheme: a kind of cylinder for liquefied gas fills tamper with anti-
Valve, this valve includes that handle, valve body, described valve body are three-port structure, and its side mouth is inflation inlet, and top connects handle,
Described valve body lower portion connects antiwithdrawal device at the bottom of valve, in the vertical inner chamber of valve body, inflation inlet area above, is provided with the anti-dismounting in valve top
Put, be provided with interference copper ring below the antiwithdrawal device of described valve top, in the vertical inner chamber of valve body, inflation inlet region below, be provided with valve
Core;
Described valve top antiwithdrawal device is one-body molded, rounded, its middle through-hole, outside being provided with on antiwithdrawal device lateral wall, valve top
Screw thread, is connected with valve body screw thread by external screw thread, and described external screw thread is interference fit screw thread, the upper table of described valve top antiwithdrawal device
Edge, face is close to valve body medial wall wall, and the upper surface of described valve top antiwithdrawal device is provided with two Anti-dismantling grooves, prevents for two
Dismounting groove is symmetrical with above-mentioned through hole, is provided with interference copper ring, described interference copper ring outer wall and valve below the antiwithdrawal device of described valve top
Intracoelomic cavity wall is close to, and described interference copper ring inwall arranges interference structure;
Described spool is installed in the cavity of valve body, and described spool top air inlet end connection pod apertures, outlet side, its underpart connects
Outlet side in valve body, described spool include trousers, insert body, sealing plate, sealing plate clamp;Described insert body is overall
In cylindrical shape, having surface groove on its sidewall, lower flow channel on spool is separated by surface groove, and described surface groove groove face is towards tiltedly
Upwardly direction, offers gas port on its groove face, is provided with a circle flange collar, described gas port communicating valve at gas port edge
The removal hole of core bottom;Being additionally provided with round pie boss on described surface groove groove face, this round pie boss upper surface is convex with above-mentioned
Circle upper surface is equal;Described sealing plate is placed on surface groove groove face, and under non-inflated state, sealing plate lower surface is close to round pie
Boss and flange collar, seal gas port;A circle perpendicular type groove is had, at this right angle outside described insert body inlet end end
Be provided with trousers on type groove, between perpendicular type groove and surface groove and equidirectional with surface groove opening on, be provided with circle
Arc groove, the downside of next-door neighbour's arc groove, it is provided with the right angle groove of a straight;Open on the square groove of described insert body end
Having a U-shaped breach, this U-shaped breach is vertical with the direction of arc groove, at insert body opposite side, is provided with a circular hole, this circle
Hole with U-shaped breach on the same line, sets up between circular hole and U-shaped breach and has sealing plate clamp, under described sealing plate clamp
End end is on the fillet surface of sealing plate narrow portion end;
Antiwithdrawal device described in antiwithdrawal device at the bottom of described valve includes filter, tamper main body, and described tamper main body is one-body molded, on it
Portion is the cylinder that overall diameter is less, and its underpart is the cylinder that overall diameter is bigger, and two cylinders link together, entering at small column
Gas port part is provided with filter;At region, big cylindrical cavity middle and lower part, tamper main body cavity wall diametrically have two circles
Hole, between two circular holes, is provided with a tamper assembly, described tamper main body wall vertical direction and be perpendicular to two circular holes
On the straight central face at place, it is provided with an opening, at offside, the medial surface of tamper main body of opening, is provided with one and erects
To groove;Described tamper assembly includes temperature-sensitive axle, tamper bayonet lock, torsion spring, temperature-sensitive fuse, and described tamper bayonet lock rear end is equipped with torsion
Spring, the tamper bayonet lock installing torsion spring is placed on the middle part of temperature-sensitive axle, and the length of described tamper bayonet lock is greater than the great circle of tamper main body
The radius of post outer ring, embeds temperature-sensitive fuse on one of them circular hole of tamper main body wall, and one end of temperature-sensitive axle connects sense
Temperature fuse, the other end is fixed on another circular hole of tamper main body wall, and one end of described torsion spring is stuck in tamper bayonet lock rear end
Installing hole in, its other end withstands in the vertical groove of tamper main body medial surface.
Further, described Anti-dismantling groove includes triangular chute, arc groove, square groove, cylindrical groove;
The opening of described triangular chute is rectangle, and one, two faces bottom it are inclined-plane, and another is vertical with opening
Vertical plane, two triangular chutes in opposite direction;
Described valve top antiwithdrawal device through hole wall is provided with a circle groove, is provided with O RunddichtringO in this groove;
The edge of the through hole lower openings of described valve top antiwithdrawal device has a circle square groove, pads on this square groove
There is the sealing gasket of band through hole;
The sealing plain cushion of band through hole it is provided with between described valve top antiwithdrawal device and interference copper ring;
The interference structure of described interference copper ring is along two openings of interference copper ring at interference copper ring inwall central circular circle, shape
Becoming the conical surface that two diameters are gradually reduced, described interference structure includes the conical surface, the lower conical surface, and described lower conical surface edge of opening falls
Angle, the opening of chamfered end is away from antiwithdrawal device.
Further, the middle part of described sealing plate clamp is one piece of square plate body, on this square plate body two waist, solid respectively
Surely have round bar on the same line and counnter attack bull stick, described counnter attack bull stick be by a cylinder body of rod side add two hang down
Facing directly, the square plate body central upper portion in the middle part of described sealing plate clamp is provided with a blind hole, is embedded with magnetic in this blind hole
Nail, the bottom of described sealing plate clamp is arranged to pointed;
Described sealing plate is one-body molded, assumes a " convex " shape, and its " convex " shape width portion and " convex " shape narrow portion are all isosceles trapezoid, narrow portion
The long base of isosceles trapezoid is connected with the short base of width portion isosceles trapezoid, two corner inverted arc angles of its junction, described sealing
The left and right sides and the edge, bottom of plate upper surface are down flat angle, at sealing plate respectively arrange in " convex " shape width portion and " convex " shape narrow portion
Having circular hole, at two circular holes, panelling has two magnetic nails, and the pole reversal of two magnetic nails is placed, described sealing plate " convex " shape narrow portion
Being placed in round pie boss upper surface, described sealing plate " convex " shape width portion is placed in gas port edge flange collar;
The described insert body back side is provided with magnet opening, and this magnet opening is located proximate to round pie boss, and described magnet opening is one big
One two little cavitys, little cavity is inner, is embedded with magnetic nail, is provided with a gear between large cavity and little cavity in loculus body
Platform;
Described trousers is had by one on the lid quarterline of circular groove opens four square breach, four square breach connection rectifications
The circular groove of cover, trousers top is formed one block of square plate by four square breach, and four one of them breach of square breach run through
The sidewall of trousers;
It is provided with gap between described sealing plate clamp and the plate body of insert body medial surface.
Further, the end that described temperature-sensitive fuse is connected with temperature-sensitive axle is exposed to tamper main body wall.
It is covered with circular hole on described filter.
Opening length in described tamper main body wall, at least can make the end of tamper bayonet lock rotate from tamper body exterior
Inner chamber to tamper main body.
Further, on the direction dorsad of described valve body and inflation inlet and be positioned on the direction, the back side of spool, it is provided with
One protuberance, is provided with an embedded hole at this protuberance, is embedded with electromagnet core at this embedded hole.
Further, described valve outer wall being provided with the anti-magnetosphere of projection, this anti-magnetosphere is placed in the horizontal stroke of sealing plate spool
To face.
Relative to prior art, the invention has the beneficial effects as follows:
1. the function of valve top antiwithdrawal device: owing to valve rod is according to country's lpg filling technical stipulation, be directly to take
Under, it is to be arranged on below antiwithdrawal device by fixing structure, therefore, outmost antiwithdrawal device is particularly important.The present invention
Cylinder for liquefied gas tamper valve is provided with an antiwithdrawal device, and the upper end face of antiwithdrawal device is provided with Anti-dismantling groove, needs
Could be with Anti-dismantling slot fit by fixing instrument, the screw thread that antiwithdrawal device is connected with valve body is interference fit screw thread, does not allows
Easily open antiwithdrawal device.It addition, be additionally provided with an interference copper ring below antiwithdrawal device, interference copper ring is also at will to take
Go out, need could be taken out by the instrument of customization.Tamper valve of the present invention avoids non-normal filling and is a little destroyed by valve, and
Illegally inflate.Tamper valve of the present invention improves the security performance of steel cylinder, also protects the personal safety as well as the property safety of user;
2. the function of spool:
Be provided with a rotatable sealing plate clamp in spool, the magnetic on sealing plate clamp top nail by after magnetic, its square plate
Cognition rotates up, and opens sealing plate, and the magnetic nail on sealing plate top upwards can be attracted by the electric magnet of air gun, and electric magnet makes sealing
Plate narrow portion is taken on the right angle groove of straight;
The effect of arc groove: inflation time, arc groove enter liquefied gas can make sealing plate side by a thrust, with
Time, sealing plate by the active force of main channel, two power enable sealing plate narrow portion stable take on the right angle groove of straight,
All the time open mode it is in when making to be sealed in inflation;
The round pie boss that arranges on surface groove, flange collar make sealing plate sealing effectiveness more preferable, face more whole than sealing plate is affixed on remaining
The sealing property of face groove is eager to excel, and round pie boss also makes sealing plate have gap with surface groove, and the liquefied gas of entrance is easy to close
Shrouding is washed open;
Sealing plate clamp is provided with anti-reverse-rotation structure, it is to avoid sealing plate clamp reversely rotates, and causes sealing plate to lose efficacy;
Right angle groove effect: when sealing plate is sucked up, its narrow portion can be blocked on right angle groove, it is to avoid unstable during inflation
And make seal closure;
The liquefied gas that trousers makes into is divided into four strands of gases and enters spool from side breach, it is to avoid liquefied gas is directly into spool
Inside, causes sealing plate folding unstable;
Gear platform action in the middle part of the magnet opening at insert body rear portion: when installing magnetic nail, quickly can squeeze into magnetic nail
In internal loculus body, improve magnetic nail installation effectiveness;
The magnetic nail that two magnetic poles on sealing plate are contrary, narrow portion magnetic nail be sucked up into, the wide portion magnetic nail at other can be by air gun
On electric magnet repel each other, contribute to sealing plate and open, simultaneously ensure sealing plate inflation time poised state;
The polarity of the Magnet at insert body rear portion is attracting with the polarity of sealing plate narrow portion, when need not inflatable body, and sealing plate
Can be sucked in round pie boss, flange collar, make sealing plate seal by gas port.
3. the function of antiwithdrawal device at the bottom of valve: be provided with a tamper group in antiwithdrawal device at the bottom of cylinder for liquefied gas valve
Part, makes valve body block by a tamper bayonet lock in tamper assembly, prevents the informal enterprise that fills from being opened by valve, plays protection
The effect that the valve body of valve can not be opened easily, makes the security performance of valve improve.
Accompanying drawing explanation
Fig. 1 is that cylinder for liquefied gas of the present invention fills tamper valve sectional view with anti-;
Fig. 2 is that cylinder for liquefied gas of the present invention fills tamper valve axonometric chart with anti-;
Fig. 3 is valve top of the present invention antiwithdrawal device enlarged drawing;
Fig. 4 is valve top of the present invention antiwithdrawal device axonometric chart;
Fig. 5 is antiwithdrawal device upper surface, valve top of the present invention schematic diagram;
Fig. 6 is valve top of the present invention antiwithdrawal device side structure schematic diagram;
Fig. 7 is the A-A sectional view of Fig. 6;
Fig. 8 is gasket structure schematic diagram of the present invention;
Fig. 9 is that the present invention seals plain cushion structural representation;
Figure 10 is interference copper ring structural representation of the present invention;
Figure 11 is one schematic diagram of surface groove in valve core structure of the present invention;
Figure 12 is insert body schematic rear view of the present invention;
Figure 13 is the schematic diagram that insert body of the present invention has surface groove;
Figure 14 is sealing plate clamp structure schematic diagram of the present invention;
Figure 15 is sealing plate clamp of the present invention and sealing plate structure schematic diagram;
Figure 16 is dome structure schematic diagram of the present invention;
Figure 17 is air gun inflated condition schematic diagram of the present invention;
Figure 18 is valve top of the present invention antiwithdrawal device schematic diagram;
Figure 19 is valve top of the present invention antiwithdrawal device sectional view;
Figure 20 is valve top of the present invention antiwithdrawal device upward view;
Figure 21 is tamper component diagram of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings the preferred embodiments of the present invention are described in detail, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, thus protection scope of the present invention is made apparent clear and definite defining.
Refer to accompanying drawing 1 ~ 2, a kind of cylinder for liquefied gas of the present invention fills tamper valve with anti-, and this valve includes handle 1, valve
Body 4, described valve body 4 is three-port structure, and its side mouth is inflation inlet, and top connects handle 1, and described valve body 4 bottom connects to be had
Antiwithdrawal device 7 at the bottom of valve, in the vertical inner chamber of valve body 4, inflation inlet area above, are provided with valve top antiwithdrawal device 2, described valve top tamper
It is provided with interference copper ring 3 below device 2, in the vertical inner chamber of valve body 4, inflation inlet region below, is provided with spool 5.
Individually below antiwithdrawal device 7 at the bottom of valve top antiwithdrawal device 2, spool 5, valve is illustrated.
Embodiment 1: valve top antiwithdrawal device 2.
As shown in Fig. 3 ~ 10, described valve top antiwithdrawal device 2 is one-body molded, rounded, its middle through-hole, in the anti-dismounting in valve top
Putting and be provided with external screw thread on 2 lateral walls, threadeded with valve body 4 by external screw thread, described external screw thread is interference fit screw thread, institute
The top surface edge stating valve top antiwithdrawal device 2 is close to valve body 4 medial wall wall, and the upper surface of described valve top antiwithdrawal device 2 sets
Being equipped with two Anti-dismantling grooves 21, two Anti-dismantling grooves 21 are symmetrical with above-mentioned through hole, are provided with below described valve top antiwithdrawal device 2
Being full of copper ring 3, described interference copper ring 3 outer wall is close to valve body 4 inner chamber wall, and described interference copper ring 3 inwall arranges interference structure;
Described Anti-dismantling groove 21 includes triangular chute, arc groove, square groove, cylindrical groove;The opening of described triangular chute is
Rectangle, one, two faces bottom it are inclined-plane, and another is the vertical plane vertical with opening, the direction of two triangular chutes
On the contrary;
Described valve top antiwithdrawal device 2 through hole wall is provided with a circle groove 22, is provided with O RunddichtringO 9 in this groove 22;Institute
The edge of the through hole lower openings stating valve top antiwithdrawal device 2 has a circle square groove 23, pads on this square groove 23
There is the sealing gasket 10 of band through hole;The sealing plain cushion 11 of band through hole it is provided with between described valve top antiwithdrawal device 2 and interference copper ring 3;
The interference structure of described interference copper ring 3 is along two openings of interference copper ring at interference copper ring inwall central circular circle, is formed
The conical surface that two diameters are gradually reduced, described interference structure includes the conical surface 42, the lower conical surface 41, the described lower conical surface 41 edge of opening
Chamfering, the opening of chamfered end is away from antiwithdrawal device 9.
Cylinder for liquefied gas tamper valve of the present invention is provided with a valve top antiwithdrawal device 2, the upper end of valve top antiwithdrawal device 2
Surface configuration has Anti-dismantling groove 21, needs to be coordinated with Anti-dismantling groove 21 by fixing instrument, valve top antiwithdrawal device 2 and valve
The screw thread that body 4 connects is interference fit screw thread, it is not easy to open antiwithdrawal device.It addition, also set up below valve top antiwithdrawal device 2
Having an interference copper ring 3, interference copper ring 3 is also at will to take out, and needs could be taken out by the instrument of customization.The present invention prevents
Tear valve open and avoid non-normal filling a little by valve destruction, and illegally inflate.Tamper valve of the present invention improves steel cylinder
Security performance, also protect the personal safety as well as the property safety of user.
Embodiment 2: spool 5.
Refer to accompanying drawing 11 ~ 17, spool 5 is installed in the cavity of valve body 4, described spool 5 top air inlet end connection water conservancy diversion
Hole, the outlet side in the communicating valve body of outlet side, its underpart, described spool 5 include trousers 51, insert body 52, sealing plate 53,
Sealing plate clamp 54;
Described insert body 52 entirety is cylindrical shape, has surface groove on its sidewall, surface groove by lower flow channel on spool every
Opening, described surface groove groove face, towards direction obliquely, offers gas port 526 on its groove face, sets at gas port 526 edge
Being equipped with a circle flange collar, described gas port 526 connects the removal hole 527 of spool bottom, and what gas port 526 was surface groove uniquely gives vent to anger
Hole, for deriving the effect of liquefied gas;It is additionally provided with round pie boss 525, this round pie boss 525 on described surface groove groove face
Upper surface is equal with above-mentioned flange collar upper surface;On surface groove arrange round pie boss, flange collar make sealing plate sealing effectiveness more
Good, face more whole than sealing plate is affixed on the sealing property of lap groove and is eager to excel, and round pie boss also makes sealing plate have gap with surface groove,
The liquefied gas entered is easy to wash sealing plate open.Sealing plate 53 is placed on surface groove groove face, under non-inflated state, and sealing plate
53 lower surfaces are close to round pie boss 525 and flange collar, are sealed by gas port 526;
Have a circle perpendicular type groove outside described insert body 52 inlet end end, this perpendicular type groove is provided with rectification
Cover 51, between perpendicular type groove and surface groove and equidirectional with surface groove opening on, be provided with arc groove 521, be close to circular arc
The downside of groove 521, is provided with the right angle groove 522 of a straight;When sealing plate is sucked up, it is recessed that its narrow portion can be blocked in right angle
On groove, it is to avoid unstable and make seal closure during inflation;
Described sealing plate 53 is one-body molded, assumes a " convex " shape, and its " convex " shape width portion and " convex " shape narrow portion are all isosceles trapezoid, narrow
The long base of portion's isosceles trapezoid is connected with the short base of width portion isosceles trapezoid, two corner inverted arc angles of its junction, described close
The left and right sides and the edge, bottom of shrouding 53 upper surface are down flat angle, in " convex " shape width portion of sealing plate 53 and " convex " shape narrow portion
Being each provided with circular hole, at two circular holes, panelling has two magnetic nails, and the pole reversal of two magnetic nails is placed, described sealing plate 53
" convex " shape narrow portion is placed in round pie boss 525 upper surface, and the wide portion of described sealing plate 53 " convex " shape is placed in gas port 526 edge flange collar
On.
On the direction dorsad of described valve body 4 and inflation inlet and be positioned on the direction, the back side of spool, it is provided with a protuberance,
At this protuberance, it is provided with an embedded hole, is embedded with electromagnet core 8 at this embedded hole.Described insert body 52 end straight
Having a U-shaped breach 523 on dihedral groove, this U-shaped breach 523 is vertical with the direction of arc groove 521, another at insert body 52
Side, is provided with a circular hole, and this circular hole with U-shaped breach 523 on the same line, sets up between circular hole and U-shaped breach 523 and has
Described in sealing plate clamp 54, sealing plate clamp lower end is on the fillet surface of sealing plate narrow portion end, as shown in figure 17, by
Be provided with a fillet surface in the end of sealing plate 53, sealing plate clamp 54 is near this fillet surface, if sealing plate 53 is by folk prescription
In time inhaling, can be blocked by sealing plate clamp 54, can not inhale, if sealing plate 53 is opened, it is necessary to be come by following step
Realize:
1. air gun 12 is provided with two electromagnetism portions, is front electromagnetism portion 122, rear electromagnetism portion 121 respectively, and first rear electromagnetism portion 121 connects
Energising source, electric magnet 8 produces magnetic, and this magnetic direction is contrary with the magnetic on sealing plate clamp 54 top nail magnetic, the most permissible
Making the active force that sealing plate clamp 54 is repelled each other, top rotates forward, bottom back rotation, and after rotation, sealing plate 53 is no longer
It is blocked;
The most then electromagnetism portion 122 switches on power, and the polarity in electromagnetism portion 122 is attracting with the magnetic of sealing plate 53 narrow portion nail polarity, and
Suction is significantly larger than the magnetic nail suction at insert body 52 back side, therefore, by suction, the narrow end of sealing plate 53 is attracted to right angle
On groove 522, open gas port, then press inflation pressure handle and be inflated.
3. when stopping inflation, closing two electromagnetism portions, sealing plate 53 can drop down, and is closed by gas port, valve simultaneously
The magnetic nail at the core body back side can attract the magnetic of sealing plate narrow portion to follow closely, and makes sealing plate 53 be pressed in the flange collar of gas port and round pie is convex
On platform.
The middle part of described sealing plate clamp 54 is one piece of square plate body 543, on these 543 liang of waists of square plate body, solid respectively
Surely have round bar 542 on the same line and counnter attack bull stick 544, described counnter attack bull stick 544 be by a cylinder body of rod side
Face adds two verticals, and square plate body 543 central upper portion in the middle part of described sealing plate clamp 54 is provided with a blind hole 541,
Being embedded with magnetic nail in this blind hole, the bottom of described sealing plate clamp 54 is arranged to pointed.Described sealing plate clamp 54 and valve
It is provided with gap between the plate body of core body 52 medial surface.Sealing plate clamp 54 has two vertical faces, has a vertical tight
It is affixed on the sidewall of U-shaped breach 523, makes sealing clamp 54 not reversely rotate, can only rotate in one direction.
Described insert body 52 back side is provided with magnet opening 524, and this magnet opening 524 is located proximate to round pie boss 525, institute
Stating two cavitys that magnet opening 524 is small one and large one, little cavity is inner, is embedded with magnetic nail, large cavity and little cavity in loculus body
Between be provided with a gear platform.When installing magnetic nail, magnetic nail quickly can be squeezed in internal loculus body, improve magnetic nail
Installation effectiveness.
Described trousers 51 is had by one on the lid quarterline of circular groove opens four square breach, and four square breach are even
The circular groove of logical trousers 51, trousers 51 top is formed one block of square plate, four square breach therein by four square breach
Individual breach runs through the sidewall of trousers 51.The liquefied gas that trousers makes into is divided into four strands of gases and enters spool from side breach,
Avoid liquefied gas directly into valve core inside, cause sealing plate folding unstable.
Being provided with the anti-magnetosphere 6 of projection on described valve body 4 outer wall, this anti-magnetosphere 6 is placed in the horizontal face of sealing plate spool, should
Anti-magnetosphere 6 can effectively prevent the Magnet of outside from attracting by mistake.
Embodiment 3: antiwithdrawal device 7 at the bottom of valve.
Refer to accompanying drawing 18 ~ 71, antiwithdrawal device 7 at the bottom of valve is placed in below spool Anti-dismantling hole, and valve body 4 bottom connects anti-dismounting
Putting, described antiwithdrawal device includes filter 71, tamper main body 76, and described tamper main body 76 is one-body molded, and its top is overall diameter
Less cylinder, its underpart is the cylinder that overall diameter is bigger, and two cylinders link together, and the inlet end oral area at small column sets
It is equipped with filter 71;At region, big cylindrical cavity middle and lower part, tamper main body 76 cavity wall diametrically have two circular holes, two
Between individual circular hole, it is provided with a tamper assembly, described tamper main body 76 sidewall vertical direction and be perpendicular to two circular hole places
On straight central face, be provided with an opening, at offside, the medial surface of tamper main body 76 of opening, be provided with one vertical recessed
Groove;Described tamper assembly includes temperature-sensitive axle 72, tamper bayonet lock 73, torsion spring 74, temperature-sensitive fuse 75, described tamper bayonet lock 73 rear end
Equipped with torsion spring 74, the tamper bayonet lock 73 installing torsion spring 74 is placed on the middle part of temperature-sensitive axle 72, and the length of described tamper bayonet lock 73 wants big
In the radius of the big cylinder outer ring of tamper main body 76, tamper main body 76 one of them circular hole of sidewall embeds temperature-sensitive fuse
75, one end of temperature-sensitive axle 72 connects temperature-sensitive fuse 75, and the other end is fixed on tamper main body 76 another circular hole of sidewall, described
One end of torsion spring 74 is stuck in the installing hole of tamper bayonet lock 73 rear end, and its other end withstands on the most recessed of tamper main body 76 medial surface
In groove.The end that described temperature-sensitive fuse 75 is connected with temperature-sensitive axle 72 is exposed to tamper main body 76 sidewall, on described filter 71
It is covered with circular hole, the Opening length on described tamper main body 76 sidewall, the end of tamper bayonet lock 73 at least can be made from tamper main body 76
Outside rotates the inner chamber to tamper main body 76.
Torsion spring 74, in the case of non-external force, is in tensioned state, and the torsion spring 74 of tensioned state makes tamper bayonet lock 73 level
Pointing to the opening of tamper main body 76, the end of tamper bayonet lock 73 is exposed to the open outside of tamper main body 76, tamper bayonet lock 73 energy
Enough rotations in the range of opening.
When valve body needs repairing, it is necessary to during dismounting, can be rushed in valve by hot gas, general temperature is 60 ~ 80
Between degree, temperature-sensitive fuse 75 is heated is melt into liquid, makes temperature-sensitive axle 72 lose support, drops downwards, and temperature-sensitive axle 72 drives anti-
Tear bayonet lock 73 open, torsion spring 74 is fallen in lower cavity, therefore, it can open valve body.Described filter 71 is possible to prevent the broken of top
Sheet is fallen into, and protects the tamper assembly of lower section.
The present invention is provided with double Anti-dismounting structure, antiwithdrawal device 7 at the bottom of valve top antiwithdrawal device 2 and valve, and valve top antiwithdrawal device 2 needs
Using the regular removal tool special filling gas company just can disassemble, the spool 5 of central region has anti-inflatable structure,
Also it is to need the regular air gun filling gas company special to be inflated, it is ensured that the safety of cylinder filling gas, anti-dismounting at the bottom of valve
Putting 7 is also an anti-dismounting structure.Two Anti-dismounting structures of whole valve and one is anti-to fill structure and makes steel cylinder have good peace
Full performance.
The foregoing is only the preferred embodiment of the present invention, not thereby limit the scope of the claims of the present invention, every profit
The equivalent structure made by description of the invention and accompanying drawing content or equivalence flow process conversion, or directly or indirectly it is used in other phase
The technical field closed, is the most in like manner included in the scope of patent protection of the present invention.
Claims (6)
1. cylinder for liquefied gas fills a tamper valve with anti-, and this valve includes handle (1), valve body (4), and described valve body (4) is three
Logical structure, its side mouth is inflation inlet, and top connects handle (1), it is characterised in that: described valve body (4) bottom connects valve
End antiwithdrawal device (7), in valve body (4) vertical inner chamber, inflation inlet area above, is provided with valve top antiwithdrawal device (2), described valve top
Antiwithdrawal device (2) lower section is provided with interference copper ring (3), in valve body (4) vertical inner chamber, inflation inlet region below, is provided with spool
(5);
Described valve top antiwithdrawal device (2) is one-body molded, rounded, its middle through-hole, sets on antiwithdrawal device (2) lateral wall, valve top
Being equipped with external screw thread, threadeded with valve body (4) by external screw thread, described external screw thread is interference fit screw thread, described valve top tamper
The top surface edge of device (2) is close to valve body (4) medial wall wall, and the upper surface of described valve top antiwithdrawal device (2) is provided with
Two Anti-dismantling grooves (21), two Anti-dismantling grooves (21) are symmetrical with above-mentioned through hole, and described valve top antiwithdrawal device (2) lower section is provided with
Interference copper ring (3), described interference copper ring (3) outer wall is close to valve body (4) inner chamber wall, and described interference copper ring (3) inwall is arranged
Interference structure;
Described spool (5) is installed in the cavity of valve body (4), and described spool (5) top air inlet end connection pod apertures, its underpart goes out
Outlet side in gas end communicating valve body, described spool (5) includes trousers (51), insert body (52), sealing plate (53), seals
Board plate (54);Described insert body (52) is overall has surface groove in cylindrical shape on its sidewall, and surface groove is by spool
Lower flow channel separates, and described surface groove groove face, towards direction obliquely, offers gas port (526), in inducing QI on its groove face
Hole (526) edge is provided with a circle flange collar, the removal hole (527) of described gas port (526) connection spool bottom;Described surface groove
Being additionally provided with round pie boss (525) on groove face, this round pie boss (525) upper surface is equal with above-mentioned flange collar upper surface;Institute
Stating sealing plate (53) to be placed on surface groove groove face, under non-inflated state, sealing plate (53) lower surface is close to round pie boss
(525) and flange collar, gas port (526) is sealed;A circle perpendicular type is had recessed outside described insert body (52) inlet end end
Groove, is provided with trousers (51) on this perpendicular type groove, between perpendicular type groove and surface groove and with surface groove opening with
On direction, it is provided with arc groove (521), the downside of next-door neighbour's arc groove (521), is provided with the right angle groove (522) of a straight;Institute
State and on the square groove of insert body (52) end, have a U-shaped breach (523), this U-shaped breach (523) and arc groove
(521) direction is vertical, at insert body (52) opposite side, is provided with a circular hole, and this circular hole and U-shaped breach (523) are same
On straight line, set up between circular hole and U-shaped breach (523) and have sealing plate clamp (54), described sealing plate clamp (54) lower end end
Portion is on the fillet surface of sealing plate (53) narrow portion end;
Antiwithdrawal device (7) described antiwithdrawal device at the bottom of described valve includes filter (71), tamper main body (76), described tamper main body
(76) one-body molded, its top is the cylinder that overall diameter is less, and its underpart is the cylinder that overall diameter is bigger, and two cylinders are connected to
Together, the inlet end oral area at small column is provided with filter (71);At region, big cylindrical cavity middle and lower part, tamper main body
(76) cavity wall diametrically have two circular holes, between two circular holes, be provided with a tamper assembly, described tamper main body (76)
Sidewall vertical direction and being perpendicular on the straight central face at two circular hole places, is provided with an opening, opening offside,
The medial surface of tamper main body (76), is provided with a vertical groove;Described tamper assembly includes temperature-sensitive axle (72), tamper bayonet lock
(73), torsion spring (74), temperature-sensitive fuse (75), described tamper bayonet lock (73) rear end, equipped with torsion spring (74), installs torsion spring (74)
Tamper bayonet lock (73) is placed on the middle part of temperature-sensitive axle (72), and the length of described tamper bayonet lock (73) is greater than the big of tamper main body (76)
The radius of cylinder outer ring, embeds temperature-sensitive fuse (75), temperature-sensitive axle on one of them circular hole of tamper main body (76) sidewall
(72) one end connects temperature-sensitive fuse (75), and the other end is fixed on another circular hole of tamper main body (76) sidewall, described torsion
One end of spring (74) is stuck in the installing hole of tamper bayonet lock (73) rear end, and its other end withstands on the perpendicular of tamper main body (76) medial surface
In groove.
A kind of cylinder for liquefied gas the most according to claim 1 fills tamper valve with anti-, it is characterised in that: described Anti-dismantling groove
(21) triangular chute, arc groove, square groove, cylindrical groove are included;
The opening of described triangular chute is rectangle, and one, two faces bottom it are inclined-plane, and another is vertical with opening
Vertical plane, two triangular chutes in opposite direction;
Described valve top antiwithdrawal device (2) through hole wall is provided with a circle groove (22), is provided with O type and seals in this groove (22)
Circle (9);
The edge of the through hole lower openings of described valve top antiwithdrawal device (2) has circle square groove (23), at this square
The sealing gasket (10) of band through hole it is lined with on groove (23);
The sealing plain cushion (11) of band through hole it is provided with between described valve top antiwithdrawal device (2) and interference copper ring (3);
The interference structure of described interference copper ring (3) is to interference copper ring inwall central circular circle along two openings of interference copper ring
Place, forms the conical surface that two diameters are gradually reduced, and described interference structure includes the conical surface (42), the lower conical surface (41), described lower cone
Face (41) edge of opening chamfering, the opening of chamfered end is away from antiwithdrawal device (9).
A kind of cylinder for liquefied gas the most according to claim 1 fills tamper valve with anti-, it is characterised in that: described sealing board
The middle part of plate (54) is one piece of square plate body (543), on this square plate body (543) two waist, is respectively fixed with at same straight line
On round bar (542) and counnter attack bull stick (544), described counnter attack bull stick (544) be by a cylinder body of rod side add two
Vertical, square plate body (543) central upper portion at described sealing plate clamp (54) middle part is provided with a blind hole (541),
This blind hole is embedded with magnetic nail, and the bottom of described sealing plate clamp (54) is arranged to pointed;
Described sealing plate (53) is one-body molded, assumes a " convex " shape, and its " convex " shape width portion and " convex " shape narrow portion are all isosceles trapezoid,
The long base of narrow portion isosceles trapezoid is connected with the short base of width portion isosceles trapezoid, two corner inverted arc angles of its junction, described
The left and right sides and the edge, bottom of sealing plate (53) upper surface are down flat angle, in " convex " shape width portion of sealing plate (53) and " convex " shape
Being each provided with circular hole in narrow portion, at two circular holes, panelling has two magnetic nails, and the pole reversal of two magnetic nails is placed, described sealing
Plate (53) " convex " shape narrow portion is placed in round pie boss (525) upper surface, and described sealing plate (53) " convex " shape width portion is placed in gas port
(526) in edge flange collar;
Described insert body (52) back side is provided with magnet opening (524), and this magnet opening (524) is located proximate to round pie boss
(525), described magnet opening (524) is small one and large one two cavitys, and little cavity is inner, is embedded with magnetic nail, big chamber in loculus body
A gear platform it is provided with between body and little cavity;
Described trousers (51) is had by one on the lid quarterline of circular groove opens four square breach, four square breach connections
The circular groove of trousers (51), trousers (51) top is formed one block of square plate by four square breach, and four square breach are therein
One breach runs through the sidewall of trousers (51);
It is provided with gap between described sealing plate clamp (54) and the plate body of insert body (52) medial surface.
A kind of cylinder for liquefied gas the most according to claim 1 fills tamper valve with anti-, it is characterised in that: described temperature-sensitive fuses
The end that device (75) is connected with temperature-sensitive axle (72) is exposed to tamper main body (76) sidewall;
Described filter is covered with circular hole on (71);
Opening length on described tamper main body (76) sidewall, at least can make the end of tamper bayonet lock (73) from tamper main body (76)
Outside rotates the inner chamber to tamper main body (76).
A kind of cylinder for liquefied gas the most according to claim 1 fills tamper valve with anti-, it is characterised in that: described valve body (4),
With on the direction dorsad of inflation inlet and be positioned on the direction, the back side of spool, it is provided with a protuberance, at this protuberance, is provided with one
Individual embedded hole, is embedded with electromagnet core (8) at this embedded hole.
A kind of cylinder for liquefied gas the most according to claim 1 fills tamper valve with anti-, it is characterised in that: described valve body (4)
Being provided with the anti-magnetosphere (6) of projection on outer wall, this anti-magnetosphere (6) is placed in the horizontal face of sealing plate spool.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107327613A (en) * | 2017-08-21 | 2017-11-07 | 任祥 | A kind of angle valve and steel cylinder |
CN107367768A (en) * | 2017-09-08 | 2017-11-21 | 深圳市柯莱顿光电科技有限公司 | A kind of picking sensor applied to important area |
CN109027674A (en) * | 2018-09-25 | 2018-12-18 | 深圳安博智控科技有限公司 | One kind being set to the intracorporal coded lock of valve and prevents filling structure |
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Cited By (4)
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CN107327613A (en) * | 2017-08-21 | 2017-11-07 | 任祥 | A kind of angle valve and steel cylinder |
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CN109027674B (en) * | 2018-09-25 | 2024-05-28 | 深圳安博智控科技有限公司 | Anti-filling structure of coded lock arranged in valve body |
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