CN86206181U - Informer of residual liquefied gas in tank - Google Patents
Informer of residual liquefied gas in tank Download PDFInfo
- Publication number
- CN86206181U CN86206181U CN 86206181 CN86206181U CN86206181U CN 86206181 U CN86206181 U CN 86206181U CN 86206181 CN86206181 CN 86206181 CN 86206181 U CN86206181 U CN 86206181U CN 86206181 U CN86206181 U CN 86206181U
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- CN
- China
- Prior art keywords
- bowl
- valve body
- spring
- pressure
- signal generator
- 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.)
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Abstract
The utility model provides the residual gas informing device of the household liquified gas tank, comprising a pressure transmission device and a signal display device. The pressure transmission device is provided with a freely telescopic elastic sealing rubber bowl. One end of the elastic sealing rubber bowl is communicated with the high-pressure liquified gas, and the other end of the elastic sealing rubber bowl is sealed and connected with a shaft core which does movements from top to bottom. The residual gas display device comprises a power source, a signal generator and a micro switch. When the gas pressure is below a specified value in the tank, the signal generator automatically sends out the signal. The residual gas informing device of the utility model has good sealing performance, high sensitivity, and accurate and timely informing. The utility model has the advantages of simple structure and low cost.
Description
The utility model relates to a kind of gas pressure display unit, especially about the residual air of the household liquified oil gas tank device of notifying.
In the prior art, liquefied petroleum gas tank is to regulate in the gas tank output pressure to the working pressure of user's combustion furnace with reduction valve, and makes it keep constant within the specific limits.But people can't understand how much remain tolerance in the gas tank with ining addition, thus normal situation of dying suddenly in occurring cooking, to the user use and ventilation causes difficulty.This situation for a change, people improve reduction valve, a kind of common way is that (or outside it) sets up a reed pipe formula or other type pressure gauge in reduction valve, reduction valve and pressure-display device are combined together, realize the tolerance in the liquefied gas tank is carried out pressure regulation, indication, make the user can know the situation of change of each moment air pressure in the gas tank.But, because this improvement is the improvement to structure of relief pressure valve, concerning numerous existing users, will become utterly useless at the reduction valve that uses at present, and need to use a pressure gauge in the above-mentioned improvement, so the cost of improvement back regulator is generally all about 20 yuan.On the other hand, the user of liquid gas is common and be indifferent to each situation of change constantly of jar internal air pressure, and only is concerned about " when will not had gas in jar " this problem, because the insufficient sensitivity height of barometer own, though high pressure has indicated, and that the low pressure that people need is notified is sensitive inadequately.
The purpose of this utility model is that a kind of liquefied gas tank residual air device of notifying will be provided, and it can send signal when air pressure is lower than certain value, need not change existing reduction valve again.
The purpose of this utility model is achieved in that in a three way valve with input channel and output channel, undulatory, as freely a to stretch flexible sealant bowl is set, the opening end and the high pressure liquefied gas of this glue bowl communicate, the other end sealing and and a cylindrical shaft core that has groove and boss on it tightly link, this core of elastic force effect is placed with a spring that is enclosed within on the core and regulates by the coarse adjustment device on the sealing end, owing to can move downward.
The display unit of notifying on valve body top, it is made up of signal generator, power supply and sensitive switch.After the liquid gas in the gas tank entered three way valve, air pressure overcame the elastic force effect with above-mentioned axle core jack-up, so a core moves up and down with the size of air pressure.When the axle core moves to a certain appropriate location, in the gas tank residual air pressure will with the spring force balance, this moment sensitive switch and power connection, signal generator sends signal.
The utility model liquefied gas tank residual air device of notifying because directly and high pressure liquefied gas link, and sealing structure is good, so highly sensitive, it is accurate, timely to notify.Simultaneously simple in structure, with low cost, be suitable for new, old liquid gas user.
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the notify a kind of schematic representation (not being with shell) of concrete structure of device of the residual air that the utility model proposes.
Fig. 2 is the notify cut-away view of device of Fig. 1.
Fig. 3 is the notify working principle sketch of device of Fig. 1.
See figures.1.and.2, this liquid gas residual air device of notifying has a three way valve (1) with input channel (18) and output channel (19), the opening end of the flexible sealant bowl (2) that another air-flow path (20) is interior with being contained in valve body communicates, the other end sealing of this glue bowl (2) also tightly is connected together with an axle core (6), axle core (6) is one to have the slender cylinder of groove and boss, its end that links to each other with glue bowl (2) is with spring (3), the other end is a free end, and this core can move downward under the elastic force effect.The adjusting of spring (3) elastic force is undertaken by coarse adjustment device (4), (5), and (4) are a pressure regulation bowl that is enclosed within spring (3) outside, and (5) are an adjusting nut that is enclosed within the valve body outside.Above-mentioned sealer bowl (2) is the bowl bodies of the retractable made with elastic material, is circular-arc at the bottom of its bowl, and an arch steps (14) is also arranged on the pairing valve body, and this step (14) and bowl have a space at the end; Bowl tube (15) is corrugated, and bowl is circular along (16), is placed with a metal fastening ring (25) so that sealer bowl (2) is fixed tightly on the valve body (1) on bowl edge (16), thereby has guaranteed the seal action of glue bowl (2).This glue bowl (2) is metal valve body all around.Signal display apparatus of the present utility model is to be contained on the right angle rack (23) that is fixed in base (17), it comprises that an one end has the support arm of conductive contact (12) (21), support arm (21) the other end is connected with a V-arrangement lever (7) by screw (22), this V-arrangement lever can rotate in certain plane for the axle center by screw (22), the one end is equipped with another conductive contact (11), and the other end keeps in touch with axle core (6).Support arm that links (21) and V-arrangement lever (7) are contained on support (23) plate by micrometer adjusting screw (8), battery (10) also is equipped with in this support (23) bottom, one utmost point of this battery (10) links to each other with signal generator (13), and another utmost point links to each other with conductive contact (11).
Can understand working procedure of the present utility model with reference to Fig. 2 and Fig. 3: the high pressure liquid gasification in the gas tank enters three way valve (1) through input channel (18), then enter sealer bowl (2) by air-flow path (20), air pressure overcomes the elastic force effect of spring (3) with axle core (6) jack-up, thereby causes that remaining the V-arrangement lever (7) that contacts with axle core (6) rotates in certain plane.If jar internal air pressure is greater than spring (3) elastic force, then the bowl bottom of sealer bowl (2) upwards withstands the arch steps (14) on the valve body, axle core (6) is by jack-up, its low groove acts on an end of V-arrangement lever (7), make its rotation, thereby the conductive contact (11) on this V-arrangement lever (7) the other end and another conductive contact (12) that is fixed on the support arm (21) disconnect, and signal generator (13) can not send signal (shown in Fig. 3-1); If the gas tank internal air pressure is less than elastic force, then because elastic force effect axle core (6) whereabouts, the end that its low groove acts on V-arrangement lever (7) makes its rotation, conductive contact this moment (11) still and conductive contact (12) disconnect, so signal generator (13) still can not send signal (shown in Fig. 3-3); Have only when gas tank internal air pressure and Spring balanced, axle core (6) just is in an appropriate location, this moment, its boss acted on an end of V-arrangement lever (7), make its rotation, thereby conductive contact (11) and the conductive contact (12) that is fixed in support arm (21) one ends contact, and signal generator (13) sends signal (shown in Fig. 3-2).Be wound with a spring (24) on the screw (22), its generation moment of torsion remains with a certain position of axle core (6) one end of V-arrangement lever (7) and contacts, and when elastic force one timing of spring (3), this contact position is just decided by gas tank internal air pressure size.Usually the liquefied gas tank internal pressure is in the 1.5-11 kilograms per centimeter
2Between, the air pressure range of notifying of the present utility model is the 0.8-1.5 kilograms per centimeter
2, this air pressure range to three, family of four is reliably known that 2～3 days residue tolerance is still arranged in the jar.The elastic force of spring (3) is calibrated by coarse adjustment device (4), (5) by manufacturer, each user also can just suitably adjust the position of V-arrangement lever (7) by micrometer adjusting screw (8) according to using practice to look concrete condition, that is the air pressure range of notifying is finely tuned.Air-flow connects the reduction valve (not shown) through output channel (19).
Embodiment:
Above-mentioned valve body (1) is shaped with aluminium alloy compression casting, sealer bowl (2) polyamine ester rubber (or General Purpose Rubber), V-arrangement lever (7) and shell (9) they are working of plastics, injection molded, battery (10) is 1.5 volts of batteries of a joint, and signal generator (13) is a red light emitting diodes.Boundary dimension is 65 * 40 * 35(millimeter).
This informing alarm is simple in structure, and without any the Precision Machining part, (producing every in batches below ternary) with low cost only needs during use just can between this informing alarm access pressure-reducing valve and the gas tank.
Claims (3)
1, a kind of by plastic casing (9), base (17), the liquid gas residual air that three way valve (1) the is formed device of notifying, it is characterized in that a flexible sealant bowl (2) is arranged in the valve body (1), the opening end of this glue bowl (2) communicates with air-flow path (20), its bowl edge (16) is fixed tightly on the valve body (1) by fastening piece (25), the other end of glue bowl (2) is the sealed end that connects firmly mutually with the axle core (6) that has groove and boss, one spring (3) that is enclosed within on the core (6) is arranged on the sealing end, the adjusting nut (5) that regulating action has been arranged on it, on valve body (1) top one signal display apparatus is arranged, it is by signal generator (13), battery (10) and displacement by axle core (6) make the sensitive switch (7 of its action, 11,12,21,22) form, (7) in the described sensitive switch are a V-arrangement lever, the one end keeps in touch with axle core (6), the other end has conductive contact (11), this V-arrangement lever (7) and the support arm (21) that has another conductive contact (12) link by a screw (22) that is wound with spring (24) on it, and can rotate for the axle center by screw (22), described support arm (21) is contained on the support (23) that is fixed in base (17) with V-arrangement lever (7) by micrometer adjusting screw (8), battery (10) is housed on this support (23) simultaneously, the one utmost point and signal generator (13) link, and another utmost point and conductive contact (11) link.
2, the device of notifying according to claim 1, it is characterized in that sealer bowl (2) is the bowl bodies of the retractable made by elastic material, be the garden arcuation at the bottom of its bowl, one garden arc step (14) is arranged on the pairing valve body, this step (14) and bowl have a space at the end, bowl tube (15) is corrugated, and bowl is the garden ring-type along (16), and fastening piece (25) is a garden shape fastening ring.
3, the device of notifying according to claim 1 is characterized in that the outer pressure regulation bowl (4) that is with of spring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86206181 CN86206181U (en) | 1986-08-18 | 1986-08-18 | Informer of residual liquefied gas in tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86206181 CN86206181U (en) | 1986-08-18 | 1986-08-18 | Informer of residual liquefied gas in tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN86206181U true CN86206181U (en) | 1987-04-01 |
Family
ID=4808875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 86206181 Withdrawn CN86206181U (en) | 1986-08-18 | 1986-08-18 | Informer of residual liquefied gas in tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN86206181U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706925A (en) * | 2012-10-05 | 2014-04-09 | 青岛国胜焊割设备有限公司 | Argon pressure reducer with multiple flowmeters and production method of argon pressure reducer |
| CN103883875A (en) * | 2012-12-21 | 2014-06-25 | 黄瑞宗 | Gas fitting capable of blocking at low pressure |
-
1986
- 1986-08-18 CN CN 86206181 patent/CN86206181U/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706925A (en) * | 2012-10-05 | 2014-04-09 | 青岛国胜焊割设备有限公司 | Argon pressure reducer with multiple flowmeters and production method of argon pressure reducer |
| CN103883875A (en) * | 2012-12-21 | 2014-06-25 | 黄瑞宗 | Gas fitting capable of blocking at low pressure |
| CN103883875B (en) * | 2012-12-21 | 2015-09-23 | 黄瑞宗 | Gas fitting capable of blocking at low pressure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |