CN110735968A - Gas cylinder valve with liquid level meter - Google Patents
Gas cylinder valve with liquid level meter Download PDFInfo
- Publication number
- CN110735968A CN110735968A CN201911051178.8A CN201911051178A CN110735968A CN 110735968 A CN110735968 A CN 110735968A CN 201911051178 A CN201911051178 A CN 201911051178A CN 110735968 A CN110735968 A CN 110735968A
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- CN
- China
- Prior art keywords
- rod
- valve
- buoyancy
- magnet
- connecting rod
- 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.)
- Pending
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Classifications
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- 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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/32—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements
- G01F23/34—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements using mechanically actuated indicating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/0408—Level of content in the vessel
- F17C2250/0413—Level of content in the vessel with floats
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention discloses a gas cylinder valve with a liquid level meter, which comprises a valve body, wherein an air inlet channel, an air outlet channel and a valve cavity are arranged in the valve body, a valve seat assembly is arranged in the valve cavity, a hand wheel is connected above the valve seat assembly through a valve rod, a buoyancy assembly and a window assembly are further arranged on the valve body, the buoyancy assembly comprises a connecting rod, a th magnet is arranged at the upper end of the connecting rod, a buoyancy member is arranged at the lower end of the connecting rod, the window assembly comprises a window seat connected to the valve body, a guide pillar is arranged in the window seat, a second magnet corresponding to the th magnet is arranged on the guide pillar, the second magnet can slide up and down along the guide pillar, and an indicating member is further connected onto the second magnet.
Description
Technical Field
The invention relates to the field of gas cylinder valves, in particular to an gas cylinder valve with a liquid level meter.
Background
The cylinder valve is a valve installed on the cylinder to control the on-off and flow of gas, and is also called a cylinder valve.
Utility model CN201820949523.4 discloses a liquefied gas bottle valve that kind can show liquid level, it includes the valve body, the bottom of valve body is provided with the bracing piece, the bracing piece is provided with rotatable pendulum rod, the end of pendulum rod is connected with the floater, the end in addition of pendulum rod is connected with the actuating lever, the valve body is provided with the barometer, the pointer of barometer is connected with magnet, the actuating lever is connected with the wire with magnet complex, the pointer of barometer promotes the pointer action through the effect of magnet with the wire, the pendulum rod articulates in the bracing piece, and the articulated point divide into power arm and resistance arm with the pendulum rod, and the end of being connected with the floater is the power arm, is the resistance arm with the end of actuating lever, the big length that has the resistance arm of length, and the user limit alright-visually knows the quantity of gas in the bottle in real time, this liquefied gas bottle valve simple structure, cost of manufacture are low, are applicable.
In patent CN201820949523.4, the structure is complex and the connection relationship between the driving rod and the pointer in the barometer is not disclosed, and cylinder valves with level gauges, which are simple in structure and reliable in operation, are needed in the prior art.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides gas cylinder valves with liquid level meters, which can read the liquid level in the gas cylinder.
In order to achieve the purpose, the invention adopts the following technical scheme:
A gas cylinder valve with a liquid level meter comprises a valve body, wherein an air inlet channel, an air outlet channel and a valve cavity are arranged in the valve body, a valve seat assembly is arranged in the valve cavity, a hand wheel is connected above the valve seat assembly through a valve rod, a buoyancy assembly and a window assembly are further arranged on the valve body, the buoyancy assembly comprises a connecting rod, a magnet is arranged at the upper end of the connecting rod, a buoyancy piece is arranged at the lower end of the connecting rod, the window assembly comprises a window seat connected to the valve body, a guide pillar is arranged in the window seat, a second magnet corresponding to the magnet is arranged on the guide pillar, the second magnet can slide up and down along the guide pillar, and an.
Preferably, the buoyancy assembly further comprises an upper spring seat connected to the valve body, the upper spring seat is connected to a lower spring seat through a th spring, the lower spring seat is connected to the connecting rod, and the connecting rod slides upwards to penetrate through the upper spring seat.
Preferably, the buoyancy member is a buoyancy rod, the end of the buoyancy rod is movably connected with the lower end of the connecting rod, and when the buoyancy rod is subjected to buoyancy, the end of the buoyancy rod freely rotates around the lower end of the connecting rod.
Preferably, a second spring is connected below the second magnet.
Preferably, the second spring is a conical spring.
Preferably, the guide pillar comprises a copper bar and a plastic pipe coated outside the copper bar.
Preferably, the indicating piece is an indicating ring, and the indicating ring is sleeved on the second magnet.
Preferably, the hand wheel is sleeved on the valve rod in a sliding mode, the nut is connected above the valve rod, a third spring is arranged between the nut and the hand wheel, and the third spring exerts upward elastic force on the valve rod.
Preferably, a flow guide rod is further connected to the lower portion of the air outlet channel, a flow guide channel is arranged in the flow guide rod, and a flow guide hole communicated with the flow guide channel is formed in the side face of the lower portion of the flow guide rod.
Preferably, the safety valve further comprises an exhaust assembly and a safety assembly.
The invention has the beneficial effects that:
(1) the liquid level meter of the gas cylinder valve comprises a window assembly and a buoyancy assembly, wherein a liquid level indicating ring on the window assembly is sleeved on the second magnet and moves up and down with a th magnet on the buoyancy assembly to read the liquid level in the gas cylinder;
(2) the second magnet is connected with the second spring to when making the second magnet reciprocate along with the th magnet, still receive the pulling force or the elasticity of second spring, make the second magnet move the stroke and be less than the magnet move the stroke, thereby reach the effect that great liquid volume change was observed to less window stroke.
(3) The valve includes valve body, stop valve, bleed valve, level gauge and safety device, and the stop valve comprises seal receptacle and the disk seat subassembly on the valve body, and there are valve rod and hand wheel disk valve seat subassembly top, is provided with the spring between valve rod and the hand wheel, guarantees that the valve rod upwards, makes and can reach the biggest degree of opening between disk seat subassembly and the disk seat.
(4) The safety assembly comprises a sealing ring and a rupture disk, when the pressure reaches a fixed value of , the rupture disk cracks to exhaust air, and the whole system is protected.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic representation of the construction of the cylinder valve with level gauge of the present invention;
FIG. 2 is a second schematic structural view of the cylinder valve with a liquid level meter according to the present invention;
FIG. 3 is a schematic structural view of the buoyancy module of the present invention;
FIG. 4 is a schematic view of a window assembly according to the present invention;
FIG. 5 is a schematic illustration of the construction of the valve seat assembly of the present invention;
fig. 6 is a schematic view of the buoyancy module of the present invention in an operational state.
Description of reference numerals:
the safety valve comprises a valve body 1, a valve seat assembly 2, a valve rod 3, an th gasket 4, a valve cover 5, an O-shaped ring 6, a second gasket 7, a hand wheel 8, a third spring 9, a special-shaped nut 10, a safety assembly 11, an exhaust assembly 12, a window seat 13, a magnet 14, a connecting sleeve 15, a connecting rod 16, an upper spring seat 17, a th spring 18, a lower spring seat 19, a buoyancy rod 20, a plastic pipe 21, a copper rod 22, a second spring 23, a second magnet 24, an indicator 25, a plug 26, a valve seat 27 and a sealing gasket 28.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
As shown in fig. 1-5, a cylinder valve with a liquid level meter comprises a valve body 1, a valve cover 5, a valve rod 3, a hand wheel 8, a buoyancy assembly, a window assembly, an exhaust assembly 12 and a safety assembly 11.
Specifically, a valve cavity is arranged in the valve body 1 and is respectively communicated with the air inlet channel and the air outlet channel. The inlet and outlet passages communicate with the gas cylinder and the exhaust assembly 12, respectively. The valve cavity is internally provided with a valve seat component 2, and the valve seat component 2 comprises a valve seat 27 and a sealing gasket 28 riveted on the valve seat 27.
The valve cover 5 is connected to the valve body 1 in a matched mode, a through cavity is formed in the valve cover 5, the upper end of the valve cover 5 is connected with a hand wheel 8, the valve rod 3 penetrates through the through cavity and is sealed through an O-shaped ring 6, the hand wheel 8 is sleeved on the valve rod 3 in a sliding mode, a special-shaped nut 10 is connected to the upper portion of the valve rod 3, a third spring 9 is arranged between the special-shaped nut 10 and the hand wheel 8, upward elastic force is applied to the valve rod 3 by the third spring 9, an -th gasket 4 is arranged between the inner wall of the valve cover 5 and the valve rod 3.
The buoyancy assembly comprises a connecting rod 16, the upper end of the connecting rod 16 is provided with an th magnet 14 (strong magnet) through a connecting sleeve 15, the connecting sleeve 15 and the connecting rod 16 are respectively made of non-magnetic CW617 copper materials and 304 stainless steel materials, the lower end of the connecting rod 16 is provided with a buoyancy piece, the buoyancy assembly further comprises an upper spring seat 17 connected to the valve body 1, the upper spring seat 17 is connected with a lower spring seat 19 through a th spring 18, the lower spring seat 19 is connected with the connecting rod 16, the connecting rod 16 upwards slides and penetrates through the upper spring seat 17, the upper spring seat 17 has guiding and positioning functions on the connecting rod 16, allows the connecting rod 16 to upwards and downwards slide, and prevents the connecting rod 16 from inclining left and right, and the th spring 18 is used for providing a pulling force for.
The th spring 18 exerts an upward pulling force on the link 16, which in a normal state is equal to the weight of the link 16, and the indicator 25 indicates that the link 16 is moved up and down in the middle position of the window, the buoyancy member is connected to the link 16, and when the buoyancy member is moved up a certain distance, an upward force is exerted on the link 16, the link 16 is moved up, and when the buoyancy member is moved down a certain distance, a downward force is exerted on the link 16, and the link 16 is moved down.
Optionally, the buoyancy member is a buoyancy rod 20, the end of the buoyancy rod 20 is movably connected with the lower end of the connecting rod 16, when the buoyancy rod 20 is subjected to buoyancy, the end of the buoyancy rod 20 freely rotates around the lower end of the connecting rod 16, and the connecting rod 16 is balanced under the action of the weight g2 and the tension f2 of the spring 18.
As shown in the state (1) in fig. 6, when the liquid volume is v1, the buoyancy member moves upwards to the uppermost position, and the buoyancy force f1 applied to the buoyancy member is larger than the gravity force g1, and the buoyancy member drives the connecting rod 16 to ascend to the maximum position, and at this time, the indicator 25 indicates mix;
when the liquid volume is v2, the buoyancy member moves upwards to the uppermost position, the buoyancy member is subjected to the buoyancy force f1 equal to the gravity force g1, no force is applied to the connecting rod 16 by the buoyancy member, the position of the connecting rod 16 is unchanged, and the indicator 25 indicates mid;
when the liquid volume is v2-v3, the buoyancy piece moves from the uppermost position to the minimum position, the buoyancy force f1 borne by the buoyancy piece is equal to the gravity force g1 of the buoyancy piece, the buoyancy piece has no acting force on the connecting rod 16, the position of the connecting rod 16 is unchanged, and the indicator 25 indicates mid;
when the liquid volume is v3, the buoyancy piece moves upwards to the lowest position, the buoyancy piece is subjected to the buoyancy force f1 equal to the gravity force g1, no force is applied to the connecting rod 16 by the buoyancy piece, the position of the connecting rod 16 is unchanged, and the indicator 25 indicates mid;
when the liquid volume is v4, the buoyancy member moves downwards to the lowest position, and the buoyancy force f1 applied to the buoyancy member is smaller than the gravity force g1, the buoyancy member drives the connecting rod 16 to descend until the maximum position, and at this time, the indicator 25 indicates min.
Wherein v1> v2> v3> v 4.
The window assembly comprises a window seat 13 connected to the valve body 1, the window seat 13 comprises a body and a plug 26 at the upper end, the window seat 13 is provided with a transparent observation window, a guide pillar is arranged in the window seat 13, a second magnet 24 (strong magnet) corresponding to the -th magnet 14 is arranged on the guide pillar, the second magnet 24 can slide up and down along the guide pillar, an indicating piece 25 is further connected to the second magnet 24, the indicating piece 25 is an indicating ring, the indicating ring is sleeved on the second magnet 24, the guide pillar is optional and comprises a copper rod 22 and a plastic pipe 21 wrapping the copper rod 22, the indicating ring with the strong magnet can slide up and down, the copper rod 22 is used for keeping the vertical upward rigidity of the guide pillar, and the plastic pipe 21 is used for reducing the friction force of the strong magnet when the copper rod moves.
Advantageously, a second spring 23 is connected below the second magnet 24, the second spring 23 is made of a non-magnetic 304 stainless steel material, the second magnet 24 is connected with the second spring 23, so that when the second magnet 24 moves up and down along with the th magnet 14, the second magnet 24 is also subjected to the pulling force or elastic force of the second spring 23, the moving stroke of the second magnet 24 is smaller than that of the th magnet 14, and therefore the effect of observing larger liquid volume change through a smaller window stroke is achieved, and in , the second spring 23 is a conical spring, so that when the conical spring is compressed, the downward moving stroke can be increased.
The cylinder valve also includes a vent assembly 12 and a safety assembly 11.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
- The cylinder valve with the liquid level meter is characterized in that the valve body is further provided with a buoyancy assembly and a window assembly, the buoyancy assembly comprises a connecting rod, a th magnet is arranged at the upper end of the connecting rod, the lower end of the connecting rod is provided with a buoyancy piece, the window assembly comprises a window seat connected to the valve body, a guide pillar is arranged in the window seat, a second magnet corresponding to the th magnet is arranged on the guide pillar, the second magnet can slide up and down along the guide pillar, an indicating piece is further connected to the second magnet, the buoyancy assembly further comprises an upper spring seat connected to the valve body, the upper spring seat is connected with a lower spring seat through a th spring, the lower spring seat is connected with the connecting rod, and the connecting rod slides upwards to penetrate through the upper spring seat.
- 2. The cylinder valve with a level gauge as recited in claim 1, wherein the buoyancy member is a buoyancy rod, an end of the buoyancy rod is movably connected to a lower end of the connecting rod, and when the buoyancy rod is subjected to buoyancy, an end of the buoyancy rod freely rotates around the lower end of the connecting rod.
- 3. The cylinder valve with a liquid level gauge according to claim 1, wherein a second spring is connected below the second magnet.
- 4. The gas cylinder valve with a liquid level gauge of claim 4, wherein the second spring is a conical spring.
- 5. The cylinder valve with a level gauge of claim 1, wherein the guide post comprises a copper rod and a plastic tube wrapped around the copper rod.
- 6. The gas cylinder valve with a liquid level gauge according to claim 1, wherein the indicating member is an indicating ring, and the indicating ring is sleeved on the second magnet.
- 7. The cylinder valve with the liquid level meter according to claim 1, wherein the hand wheel is slidably sleeved on the valve rod, a nut is connected above the valve rod, a third spring is arranged between the nut and the hand wheel, and the third spring applies upward elastic force to the valve rod.
- 8. The cylinder valve with the liquid level meter according to claim 1, wherein a flow guide rod is further connected below the air outlet channel, a flow guide channel is arranged in the flow guide rod, and a flow guide hole communicated with the flow guide channel is arranged on the lower side surface of the flow guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911051178.8A CN110735968A (en) | 2019-10-31 | 2019-10-31 | Gas cylinder valve with liquid level meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911051178.8A CN110735968A (en) | 2019-10-31 | 2019-10-31 | Gas cylinder valve with liquid level meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110735968A true CN110735968A (en) | 2020-01-31 |
Family
ID=69272029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911051178.8A Pending CN110735968A (en) | 2019-10-31 | 2019-10-31 | Gas cylinder valve with liquid level meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110735968A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4580450A (en) * | 1984-07-06 | 1986-04-08 | Kabushiki Kaisha Neriki | Valve with a level gauge for a liquefied carbon dioxide container |
| CN1377451A (en) * | 2000-08-07 | 2002-10-30 | 大宝产业株式会社 | Liquified gas container |
| CN104634420A (en) * | 2013-11-12 | 2015-05-20 | 四川观想电子科技有限公司 | Electronic type liquid level detector |
| CN207378494U (en) * | 2017-07-20 | 2018-05-18 | 丹阳市飞轮气体阀门有限公司 | A kind of bottle valve with pressure holding function |
| CN208442581U (en) * | 2018-06-20 | 2019-01-29 | 东莞鼎安实业有限公司 | A kind of valve of liquified gas bomb showing liquid level |
| CN208793728U (en) * | 2018-09-26 | 2019-04-26 | 宁波富华阀门有限公司 | Liquefied petroleum gas cylinder valve |
-
2019
- 2019-10-31 CN CN201911051178.8A patent/CN110735968A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4580450A (en) * | 1984-07-06 | 1986-04-08 | Kabushiki Kaisha Neriki | Valve with a level gauge for a liquefied carbon dioxide container |
| CN1377451A (en) * | 2000-08-07 | 2002-10-30 | 大宝产业株式会社 | Liquified gas container |
| CN104634420A (en) * | 2013-11-12 | 2015-05-20 | 四川观想电子科技有限公司 | Electronic type liquid level detector |
| CN207378494U (en) * | 2017-07-20 | 2018-05-18 | 丹阳市飞轮气体阀门有限公司 | A kind of bottle valve with pressure holding function |
| CN208442581U (en) * | 2018-06-20 | 2019-01-29 | 东莞鼎安实业有限公司 | A kind of valve of liquified gas bomb showing liquid level |
| CN208793728U (en) * | 2018-09-26 | 2019-04-26 | 宁波富华阀门有限公司 | Liquefied petroleum gas cylinder valve |
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| PB01 | Publication | ||
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Application publication date: 20200131 |