CN207865028U - Anti-disassembling device for liquefied gas bottle intelligence overfill-limiting valve door - Google Patents
Anti-disassembling device for liquefied gas bottle intelligence overfill-limiting valve door Download PDFInfo
- Publication number
- CN207865028U CN207865028U CN201721914050.6U CN201721914050U CN207865028U CN 207865028 U CN207865028 U CN 207865028U CN 201721914050 U CN201721914050 U CN 201721914050U CN 207865028 U CN207865028 U CN 207865028U
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- China
- Prior art keywords
- piston
- cylindrical body
- steel ball
- overfill
- limiting
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- 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
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model is related to valve gate technologies, it is desirable to provide a kind of anti-disassembling device for liquefied gas bottle intelligence overfill-limiting valve door.For cylindrical body using its internal cavities as piston guide hole, the upper end sets the screw thread of the intelligent overfill-limiting valve door of connection, internal that piston is housed with gap fiting mode；Spring is housed between piston and limiting plate；Internal piston is hollow, and ring-shaped groove is opened up on outer wall；Steel ball mounting hole corresponding with groove is equipped on the side wall of cylindrical body, the steel ball inside set will not fall off by clamp spring limit；Gas port of the setting through side wall in cylindrical body.The present apparatus can coordinate intelligence limit to fill angle valve in steel cylinder valve seat, and the steel ball under normal operating condition in cylindrical body, which partly exposes outside, plays barrier effect.Under the conditions of only certified charge operation, the case where could limiting the gas push piston for filling component by steel ball retraction groove by being filled in angle valve by intelligence limit, allow intelligent overfill-limiting valve door that can be together pulled out together with anti-disassembling device, avoid illegally dismounting, fill.
Description
Technical field
The utility model is related to valve mechanisms, and in particular to a kind of tamper for liquefied gas bottle intelligence overfill-limiting valve door is removed stage makeup and costume
It sets.
Background technology
Bottled gas is assigned to every family by LPG storage and distribution station (hereinafter referred to as liquefied gas station), as family's kitchen range
Air supply source, it originates from the early 1960s, used in oil plant and several industrial cities earliest, has developed to township
Town rural area.Liquefied gas belongs to a kind of hazardous gas, common people's some explosion, poisonings frequent occurrence in use.State
Family fills liquefied gas bottle, circulates, proposing more strict requirements using each key link.
To prevent steel cylinder (and valve) from exceeding the time limit service, illegal situations such as filling, it there is now the intelligence about liquefied gas bottle
It can overfill-limiting valve door developmental achievement.It is provided with mutually matched drive component and limit in the valve and fills component, and what is matched open
Valve tool, which matches, to open valve, realize fixed point fill, dedicated professionals bottle.It can also be by being arranged in overfill-limiting valve door
RFID chip carries out intelligent management to steel cylinder, prevents steel cylinder from exceeding the time limit service, nonsystematic steel cylinder mistake situations such as filling.
Cylinder for liquefied gas used at present is the welding steel cylinder manufactured by national standard, and steel is welded in the upper end of steel cylinder
Cylinder valve seat.It is coupled and seals by the taper thread of national regulations between the lower end and steel cylinder valve seat of intelligent overfill-limiting valve door.Therefore, still
Can exist and remove intelligent overfill-limiting valve door from cylinder for liquefied gas, change common angle valve into and continue the possibility illegally filled.As can
Anti- attaching/detaching apparatus, which is arranged, avoids intelligent overfill-limiting valve door from being removed, the case where will effectively avoiding illegally dismounting, fill.
Utility model content
The technical issues of the utility model solves is to overcome deficiency in the prior art, is provided a kind of for liquefied gas bottle
The anti-disassembling device of intelligent overfill-limiting valve door.
In order to solve the above technical problems, the solution that the utility model uses is：
A kind of anti-disassembling device for liquefied gas bottle intelligence overfill-limiting valve door, including cylindrical body are provided；In cylindrical body
Upper end be arranged connection screw thread, the lower end for being fixed to intelligent overfill-limiting valve door；Cylindrical body is using its internal cavities as piston
Pilot hole, and there are one energy pistons free to slide with gap fiting mode dress；Piston limit platform is set in the middle part of piston guide hole
Rank, lower end set the limiting plate with through-hole, and there are one springs for dress between limiting plate and piston；Internal piston is in hollow, outer wall
On open up ring-shaped groove；Steel ball mounting hole corresponding with groove on piston, steel ball mounting hole are equipped on the side wall of cylindrical body
Edge set jump-ring slot；Steel ball is set in steel ball mounting hole, and steel ball is loaded on the limit of the clamp spring in jump-ring slot and will not fall off；Column
Setting is through the gas port of side wall on shape ontology, and when piston connects with piston limit step, gas port is blocked by piston, steel ball
It is extruded groove and is partly exposed on the outside of cylindrical body；When descent of piston spring is compressed, gas port and piston guide hole top
Cavity conducting, and steel ball can be received and not be exposed to cylindrical body in the trench.
In the utility model, the lower end of intelligent overfill-limiting valve door sets the counterbore of indent, and the upper end of cylindrical body passes through external screw thread
Loaded in counterbore；Maximum radial dimension on the outside of cylindrical body is less than the taper thread smallest radial ruler of intelligent overfill-limiting valve door lower end
It is very little.
In the utility model, in cylindrical body setting through its side wall pressure relief vent, in pressure relief vent and cylindrical body
The groove of steel ball mounting hole and piston outer wall is connected.
In the utility model, the lower part of the groove on the piston is scalene cone.
In the utility model, the hollow cavity lower end of piston sets stepped counterbore, and the upper end of the spring is located at stepped counterbore
In.
In the utility model, the limiting plate is mounted on cylindrical body lower end by any one following mode：
(1) stepped counterbore is set in the lower end of cylindrical body, limiting plate is mounted in stepped counterbore and the riveted that closes up is realized and fixed；
(2) stepped counterbore and circlip mounting groove are set in the lower end of cylindrical body, by limiting plate in stepped counterbore
And it is realized and is fixed by circlip；
(3) internal thread is set in the lower end of cylindrical body, sets external screw thread in the outer of limiting plate, is connected between the two by screw thread
It connects to realize fixation.
In the utility model, intelligent overfill-limiting valve door lower end is realized with the steel cylinder valve seat mounted on steel cylinder top by taper thread
Connection and sealing；The cylindrical body maximum gauge is less than the internal diameter of taper thread small end on steel cylinder valve seat；After steel ball is extruded
Minimum dimension is more than the internal diameter of steel cylinder valve seat taper thread small end；Steel ball is retracted into the full-size after piston channel and is less than steel cylinder valve seat
The internal diameter of taper thread small end.
Compared with prior art, the utility model has the technical effect that：
The present apparatus can coordinate intelligence limit to fill angle valve in steel cylinder valve seat, the steel under normal operating condition in cylindrical body
Ball, which partly exposes outside, plays barrier effect, thus can not illegally be dismantled.It, could be by leading under the conditions of only certified charge operation
It crosses intelligently to limit to fill in angle valve and limits the gas push piston for filling component by steel ball retraction groove, allow intelligent overfill-limiting valve door can be together with anti-
Provision for disengagement is pulled out together.Therefore, the case where present apparatus can effectively avoid illegally dismounting, fill.
Description of the drawings
Fig. 1 is the sectional view of anti-disassembling device.
Fig. 2 is the half-sectional view of cylindrical body.
Fig. 3 is the partial cutaway view of anti-disassembling device when spring is compressed.
Fig. 4 is the connection diagram of intelligent overfill-limiting valve door and anti-disassembling device.
Fig. 5 is intelligent overfill-limiting valve door and scheme of installation of the anti-disassembling device on steel cylinder.
Fig. 6 is anti-disassembling device in installation to the schematic diagram before steel cylinder valve seat (not yet air spring is uncompressed).
Fig. 7 is schematic diagram (keep inflation make spring to be compressed) of the anti-disassembling device when installation is to steel cylinder valve seat.
Fig. 8 is anti-disassembling device in installation to the schematic diagram (keeping inflation that spring is made to be compressed) after steel cylinder valve seat.
Fig. 9 is that anti-disassembling device is not filling or limiting schematic diagram when filling state (spring is uncompressed).
Reference numeral is in figure：1 cylindrical body；2 pistons；3 clamp springs；4 steel balls；5 springs；6 limiting plates；7 connection screw threads；8
Gas port；9 jump-ring slots；10 pressure relief vents；11 piston limit steps；12 steel ball mounting holes；13 piston guide holes；14 intelligent overfill-limiting valves
Door；15 anti-disassembling devices；16 steel cylinder valve seats；17 steel cylinders.
Specific implementation mode
Safety attachment of the cylinder valve as steel cylinder, plays the role of sealing and open-close on-off.And intelligence overfill-limiting valve door 14
It is to increase overfill-limiting device on the basis of traditional cylinder valve (angle valve), refers to only under the cooperation of mating valve opening tool
Cylinder valve total travel can just be opened, realization normally fills.If not using mating valve opening tool, opening for valve will be caused
Journey of setting out is limited.Charging limiting function does not influence the normal exhaust of steel cylinder, i.e., valve can only unidirectional outlet, but cannot fill.For example,
Mutually matched drive component and travel limit component can be set in valve.Only in mating valve opening tool on valve
When, the travel limit component in valve could be opened, to realize charge operation.It even, can also be respectively in valve and charge gun
Upper setting RFID chip and RFID chip identification module, using identity recognizing technology come in control valve travel limit component it is dynamic
Make.It not only can prevent deliberately or liquefied gas leaks when fault open valve handle, can more prevent steel cylinder from exceeding the time limit service, non-
Situations such as system steel cylinder mistake fills, effective protection user benefit.
The difference for the air inflow that the utility model is based primarily upon under the different use states of intelligent overfill-limiting valve door 14 and carry out phase
Close product structure design.Belong to the prior art in view of intelligent overfill-limiting valve door 14, and the technology of the utility model is realized and limited with intelligence
Filling between the specific implementation of valve 14 does not have technology correlation, and the utility model no longer is unfolded to describe to its content.
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in detail.
The utility model is used for the anti-disassembling device of liquefied gas bottle intelligence overfill-limiting valve door, including cylindrical body 1；In column sheet
Connection screw thread 7, the lower end for being fixed to intelligent overfill-limiting valve door 14 (angle valve) is arranged in the upper end of body 1；Cylindrical body 1 is with its inside
There are one energy pistons 2 free to slide as piston guide hole 13, and with gap fiting mode dress for cavity；Piston guide hole 13
Middle part sets piston limit step 11, and lower end sets the limiting plate 6 that center is provided with through-hole, and there are one bullets for dress between limiting plate 6 and piston 2
Spring 5；The lower end of piston 2 sets stepped counterbore, and the upper end of spring 5 is located in stepped counterbore.2 inside of piston is in hollow, on outer wall
Ring-shaped groove is opened up, for ease of the activity of steel ball 4, the lower part of groove is set as scalene cone.On the side wall of cylindrical body 1 be equipped with
The edge of the corresponding steel ball mounting hole 12 of groove on piston 2, steel ball mounting hole 12 sets jump-ring slot 9, and (steel is housed in jump-ring slot 9
Silk) clamp spring 3；Steel ball 4 is set in steel ball mounting hole 12, and steel ball 4 will not fall off by the limit of clamp spring 3；Setting runs through in cylindrical body 1
The gas port 8 of side wall, when piston 2 connects with piston limit step 11, gas port 8 is blocked by piston 2, and steel ball 4 is extruded ditch
Slot and partly it is exposed to the outside of cylindrical body 1；When descent of piston spring 5 is compressed, the sky of gas port 8 and 13 top of piston guide hole
Chamber is connected, and steel ball 4 can be received and not be exposed to cylindrical body 1 in the trench.
The pressure relief vent 10 through its side wall, pressure relief vent 10 and steel ball mounting hole 12 and piston 2 are also set up in cylindrical body 1
The ring-shaped groove of outer wall is connected.When intelligent overfill-limiting valve door 14, which is in limit, fills state, the gas stream of anti-disassembling device 15 is flowed into
It measures too small, enters steel cylinder 17 through 2 hollow cavity of piston and 6 central through hole discharge of limiting plate, the elastic force for overcoming spring can not be formed
Pressure to push 2 downlink of piston, piston that will be failure to actuate (as shown in Figure 1).When intelligent overfill-limiting valve door 14 is vented outward, steel cylinder
The gases stored in 17 by the valve body of 6 central through hole of limiting plate, 2 internal cavities of piston and intelligent overfill-limiting valve door 14 be discharged for
User uses.The purpose of design of the ring-shaped groove phase of 10 unicom steel ball mounting hole 12 of pressure relief vent and 2 outer wall of piston is to work as inflation
When, it avoids steel ball mounting hole 12 residing for steel ball 4 and the pressure rise in ring-shaped groove and influences the freely movable of steel ball.
Anti-disassembling device 15 and the connection type of intelligent overfill-limiting valve door 14 are as shown in Figure 4.The lower end of intelligent overfill-limiting valve door 14
If the counterbore of indent, the upper end of cylindrical body 1 is loaded on by external screw thread in counterbore；In order to smoothly put into steel cylinder valve seat 16,
The maximum radial dimension in 1 outside of cylindrical body should be less than the taper thread smallest radial size of intelligent 14 lower end of overfill-limiting valve door.
The fixation of limiting plate 6 can there are many realization methods, such as can realize fixation with the mode of closing in riveted.Alternatively,
Stepped counterbore and circlip mounting groove are set in the lower end of cylindrical body 1, by limiting plate 6 in stepped counterbore, and by elasticity
Baffle ring, which is realized, to be fixed；Alternatively, setting internal thread in the lower end of cylindrical body 1,6 outer wall of limiting plate sets external screw thread, passes through between the two
It is threadedly coupled to realize fixation.
1 optional carbon steel material of tamper ontology, fluid channel when gas port 8 is as inflation, when should ensure that normal fill
Fluid pass through, do not influence the normal usage function of intelligent overfill-limiting valve door 14.
2 optional carbon steel material of piston, is mainly used for the open-close on-off as gas port 8, and can control simultaneously residing for steel ball 4
Position；The outer wall of piston 2 is equipped with ring-shaped groove, and lower trench is scalene cone, when piston 2 comes downwards to spy in piston guide hole 13
When positioning is set, steel ball 4 can be retracted in groove；The inner cavity of piston 2 is hollow, plays the work of spring 5 guiding and small flow material channel
With.
Operation principle describes：
1, anti-disassembling device 15 is used cooperatively with intelligent overfill-limiting valve door 14 in the utility model, passes through spiral shell between the two
Line connects, and specific assembly relation is as shown in Figure 4.
2, steel cylinder 17 is the welding steel cylinder manufactured by national standard, and the upper end is welded with steel cylinder valve seat 16.Intelligent overfill-limiting valve
It is coupled and seals by the taper thread of national regulations between door 14 and steel cylinder valve seat 16, assembly relation is as shown in Figure 4.
When 3, static or exhaust：Piston 2 is located under the action of spring 5 at piston limit step 11 at this time, 4 quilt of steel ball
Piston 2 squeezes out groove, is partly exposed at the outside of tamper ontology 1.Since the limit of clamp spring 3 makes steel ball 4 be unlikely to fall off, while inside
Prevented steel ball from inside contracting (such as Fig. 1) by the limit of 2 outer wall of piston.Even if at this point, attempting to unscrew intelligent overfill-limiting valve door 14 and steel cylinder
Taper thread between valve seat 16, since steel ball 4 can not be pulled out (such as Fig. 9) by the blocking of 16 bottom end of steel cylinder valve seat.Simultaneously as anti-
Provision for disengagement 15 and the connecting portion of intelligent overfill-limiting valve door 14 are located inside steel cylinder 17, also can not be by way of forcible entry by the two point
From.
4, admission pressure or when smaller flow (limit of intelligent overfill-limiting valve door 14 fills state)：Gas passes through in piston 2
Portion's cavity realizes discharge, cannot overcome the elastic force of spring 5, piston 2 that will be failure to actuate (such as Fig. 1).
5, admission pressure and flow are larger, more than when unloading high-volume of piston inner hole (the inflation shape of intelligent overfill-limiting valve door 14
State)：Gas pressure pushes 2 downlink of piston and overcomes the elastic force of spring 5, until being limited the limit of plate 6.Steel ball 4 being capable of edge at this time
Steel ball mounting hole 12 inwardly freely rolls, until entering the groove (such as Fig. 3) on piston 2.
Assembly and disassembly methods describe：
1, anti-disassembling device 15 is before installing to steel cylinder valve seat 16, and due to not yet inflating, spring 5 is uncompressed, piston 2
It is located at piston limit step 11 under the action of spring 5, steel ball 4 half is exposed at 1 outside (as shown in Figure 6) of tamper main body.
2, fill compressed air to intelligent overfill-limiting valve door 14 using mating charge gun, due to admission pressure and flow compared with
Greatly, gas pressure pushes 2 downlink of piston and overcomes the elastic force of spring 5, until being limited the limit of plate 6.Steel ball 4 can be along steel at this time
Ball mounting hole 12 inwardly freely rolls, until entering the groove (as shown in Figure 7) on piston 2.
3, anti-disassembling device 15 is inserted into steel cylinder valve seat 16, inflation should be kept to make spring by compression (such as Fig. 8 institutes in the process
Show).
4, stop filling compressed air, piston 2 returns under the action of spring 5 at piston limit step 11, and steel ball 4 half reveals
In 1 outside of tamper main body, and is mutually contradicted with 16 bottom of steel cylinder valve seat and play barrier effect.
5, rotary intelligent overfill-limiting valve door 14 makes it be fastened by taper thread with steel cylinder valve seat 16 and installs and realize sealing, complete
At the installation (as shown in Figure 9) of valve.
6, it if you need to remove valve, need to only be operated by step 5-1 inverted orders.But to ensure operation installation, in disassembly process
In can only use compressed air, and should not use liquefied gas；Meanwhile it carrying out to confirm the liquefied gas in steel cylinder 17 when disassembling operations
It has emptied.
Claims (7)
1. a kind of anti-disassembling device for liquefied gas bottle intelligence overfill-limiting valve door, including cylindrical body；It is characterized in that, in column
Connection screw thread, the lower end for being fixed to intelligent overfill-limiting valve door is arranged in the upper end of ontology；Cylindrical body using its internal cavities as
Piston guide hole, and there are one energy pistons free to slide with gap fiting mode dress；Piston limit is set in the middle part of piston guide hole
Position step, lower end set the limiting plate with through-hole, and there are one springs for dress between limiting plate and piston；Internal piston in hollow,
Ring-shaped groove is opened up on outer wall；Steel ball mounting hole corresponding with groove on piston, steel ball peace are equipped on the side wall of cylindrical body
The edge in dress hole sets jump-ring slot；Steel ball is set in steel ball mounting hole, and steel ball, which is loaded on the limit of the clamp spring in jump-ring slot, to be taken off
It falls；Setting is through the gas port of side wall in cylindrical body, and when piston connects with piston limit step, gas port is sealed by piston
Stifled, steel ball is extruded groove and is partly exposed on the outside of cylindrical body；When descent of piston spring is compressed, gas port and piston guide
The cavity on hole top is connected, and steel ball can be received and not be exposed to cylindrical body in the trench.
2. the apparatus according to claim 1, which is characterized in that the lower end of intelligent overfill-limiting valve door sets the counterbore of indent, column
The upper end of ontology is by external screw thread loaded in counterbore；Maximum radial dimension on the outside of cylindrical body is less than intelligent overfill-limiting valve door lower end
Taper thread smallest radial size.
3. the apparatus according to claim 1, which is characterized in that setting runs through the pressure relief vent of its side wall in cylindrical body,
The ring-shaped groove of pressure relief vent and steel ball mounting hole and piston outer wall in cylindrical body is connected.
4. the apparatus according to claim 1, which is characterized in that the lower part of the groove on the piston is scalene cone.
5. the apparatus according to claim 1, which is characterized in that the lower end of piston sets stepped counterbore, the upper end of the spring
In stepped counterbore.
6. the apparatus according to claim 1, which is characterized in that the limiting plate is mounted on column by any one following mode
Shape ontology lower end：
(1) stepped counterbore is set in the lower end of cylindrical body, limiting plate is mounted in stepped counterbore and the riveted that closes up is realized and fixed；
(2) stepped counterbore and circlip mounting groove are set in the lower end of cylindrical body, by limiting plate in the stepped counterbore and by
Circlip, which is realized, to be fixed；
(3) set internal thread in the lower end of cylindrical body, external screw thread set in the outer of limiting plate, be connected through a screw thread between the two from
And it realizes and fixes.
7. the apparatus according to claim 1, which is characterized in that intelligent overfill-limiting valve door lower end and the steel for being mounted on steel cylinder top
Cylinder valve seat realizes connection and sealing by taper thread；The cylindrical body maximum gauge is less than taper thread small end on steel cylinder valve seat
Internal diameter；Steel ball be extruded after minimum dimension be more than steel cylinder valve seat taper thread small end internal diameter；After steel ball is retracted into piston channel
Full-size is less than the internal diameter of steel cylinder valve seat taper thread small end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721914050.6U CN207865028U (en) | 2017-12-31 | 2017-12-31 | Anti-disassembling device for liquefied gas bottle intelligence overfill-limiting valve door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721914050.6U CN207865028U (en) | 2017-12-31 | 2017-12-31 | Anti-disassembling device for liquefied gas bottle intelligence overfill-limiting valve door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207865028U true CN207865028U (en) | 2018-09-14 |
Family
ID=63464021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721914050.6U Expired - Fee Related CN207865028U (en) | 2017-12-31 | 2017-12-31 | Anti-disassembling device for liquefied gas bottle intelligence overfill-limiting valve door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207865028U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108036192A (en) * | 2017-12-31 | 2018-05-15 | 浙江镔利科技有限公司 | A kind of anti-disassembling device for liquefied gas bottle intelligence overfill-limiting valve door |
| CN111604852B (en) * | 2020-05-22 | 2021-12-28 | 深圳市商汤科技有限公司 | Screen disassembling method, device and system |
-
2017
- 2017-12-31 CN CN201721914050.6U patent/CN207865028U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108036192A (en) * | 2017-12-31 | 2018-05-15 | 浙江镔利科技有限公司 | A kind of anti-disassembling device for liquefied gas bottle intelligence overfill-limiting valve door |
| CN108036192B (en) * | 2017-12-31 | 2024-03-01 | 上海栎智半导体科技有限公司 | Anti-disassembly device for intelligent limit-charging valve of liquefied gas cylinder |
| CN111604852B (en) * | 2020-05-22 | 2021-12-28 | 深圳市商汤科技有限公司 | Screen disassembling method, device and system |
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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: 20180914 Termination date: 20191231 |