TWM462836U - Gas accessory capable of shutting off at low pressure - Google Patents

Description

Gas fittings that can be interrupted at low pressure

The present invention relates to a gas fitting, and more particularly to a gas fitting that can be interrupted at a low pressure.

Referring to FIG. 1 , a gas inventory detecting device is provided. The gas storage detecting device includes a connecting main pipe 11 detachably connected to a gas drum 10 , and a voltage regulator 12 disposed at the connecting main pipe 11 . And a pressure gauge 13 disposed between the gas cylinder 10 and the regulator 12, the user can understand the gas cylinder 10 by viewing a pointer 131 of the pressure gauge 13 Gas inventory.

Referring to FIG. 2, another gas storage detecting device is provided. The gas storage detecting device includes a connecting main pipe 15 detachably connected to a gas drum 14 , and a side disposed on the connecting main pipe 15 and having a A quick connector seat 16 of the reed switch 161, and a quick connector 17 connected to a backup gas drum 18 and removably inserted into the quick connector housing 16 and having a magnetic member 171.

When the gas of the gas drum 14 is used up, the user needs to connect the quick joint 17 of the spare gas drum 18 to the quick joint 16 at this time, and the magnetic member 171 touches the reed switch 161 and triggers a The induction auto-transmitter (not shown) transmits a signal to a dial-up host (not shown), and the dial-up host automatically dials the gas dealer. After the gas operator integrates the information of each user, the route for distributing the gas can be planned.

The first type of gas detection and storage device is known, although the gas inventory can be clearly displayed from the pressure gauge 13, but generally for safety reasons, the gas More than 14 barrels will be stored in the balcony or outdoor, which is more convenient to check at the time. Therefore, if the user does not pay attention to the gas storage of the gas barrel 14 from time to time, it may happen that the bath is washed half or cooked. In half, and the gas has run out of trouble.

However, the second type of gas detecting and storing device can be automatically dialed to the gas supplier when the user picks up the spare gas bucket 18, but the user needs to store a spare gas bucket 18, which not only takes up space but also increases Potential security risks, after the gas is used up, the user still has to pick up the spare gas bucket 18 and wait for the gas dealer to deliver another new spare gas bucket, which is not in line with current user habits. Moreover, after the gas industry integrates the information of each user, it still needs to confirm the delivery time with the user one by one. If the user misses the contact number of the gas supplier, the user may run out of the backup gas while waiting for the delivery time to be confirmed. It is necessary to contact the gas dealers on their own. Instead, they need more round-trip calls. In addition, the cost of setting up automatic dialing equipment is high, and the general user's willingness to pay is low. In addition to the general gas bucket 14, the gas industry needs extra. The maintenance and safety inspection costs of the spare gas drum 18 are greatly increased, and the operating cost is greatly increased.

Therefore, the object of the present invention is to provide a gas fitting capable of low-voltage interruption in a low-cost and simple operation, and capable of reminding the user of the gas storage condition in a barrel of gas.

Therefore, the novel gas fitting capable of being interrupted at a low pressure comprises a body, a main valve plug, and a shut-off valve.

The main body includes a main flow passage having a main inlet and a main outlet for gas inflow and outflow, a main valve chamber between the main inlet and the main outlet, and a main valve chamber and the main valve chamber a relay inlet of the main inlet, and a relay outlet connecting the main valve chamber and the main outlet.

The main valve plug is mounted on the main valve chamber of the body, and includes an inner flow passage having an inner inlet and an inner outlet for gas inflow and outflow, respectively, and a inner inlet and the inner inlet An inner valve chamber between the outlets, the main valve plug being operable to switch between a detection position and a release position, wherein the inner inlet of the main valve plug communicates with the body when the detection position is Relaying the inlet, and the inner outlet of the main valve plug communicates with the relay outlet of the main body, the relay inlet and the relay outlet are connected by the inner flow passage, and when located at the release position, the main valve The plug does not interrupt the relay inlet and the relay outlet, and the relay inlet and the relay outlet are directly connected by the main valve chamber.

The interrupting valve is mounted to the inner valve chamber of the main valve plug and includes a valve plug member, and a resilient member that pushes the valve plug member to close the inner inlet when the gas flows into the inner inlet When the pressure value is greater than a predetermined value, the valve plug can be pushed out of the inner inlet, so that gas can flow out through the inner outlet through the inner valve chamber, and a pressure value of gas flowing in from the inner inlet is less than the pre-charge When set, the valve plug cannot be pushed out of the inner inlet so that gas cannot flow out of the inner outlet through the inner valve chamber.

The utility model has the beneficial effects that when the main valve plug is located at the detecting position, the valve plug can block the inner inlet when the pressure value of the gas is lower than the preset value, so that the gas cannot be blocked. Flowing from the inner outlet through the inner valve chamber, at this time, the main valve plug can be pulled up to the release The position allows the gas to flow out to the main outlet through the main valve chamber, so that the user can know that the gas is about to be used up after the barrel gas still has a certain amount of gas, thereby allowing the user to The gas dealer can be contacted to deliver another barrel of gas, which can greatly improve the convenience of the use of barreled gas.

The foregoing and other technical aspects, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments.

Before the present invention is described in detail, it is noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to FIG. 3, FIG. 4, and FIG. 5, the first preferred embodiment of the present invention is capable of connecting to a barrel of gas 100 and a gas stabilization with a regulator 201. Between the pressure devices 200, the gas fitting capable of being interrupted at a low pressure comprises a body 2, a main valve plug 3, a shutoff valve 4, and an operating member 5.

The body 2 includes a main channel 21 formed on the inside, and two limiting recesses 22 respectively recessed from the surface of the body 2. Wherein, the body 2 is integrally formed by casting a metal material.

The main flow channel 21 has a main inlet 211 and a main outlet 212 for gas inflow and outflow, a main valve chamber 213 between the main inlet 211 and the main outlet 212, and a main valve chamber 213 connected thereto. A relay inlet 214 of the main inlet 211 and a relay outlet 215 that communicates with the main valve chamber 213 and the main outlet 212. Wherein, in the first preferred embodiment, the main entrance 211 It is used to connect the barreled gas 100, and the main outlet 212 is used to connect the gas voltage regulator 200.

The limit recesses 22 respectively have a release limit section 221 adjacent to the top of the body 2, and a detection limit section 222 located below the release limit section 221, and a A closed limit stop section 223 below the limit area is detected. The release limit segment 221 and the closed limit segment 223 are respectively in communication with the detection limit segment 222.

The main valve plug 3 is mounted on the main valve chamber 213 of the body 2 and includes an inner flow passage 31 formed inside the main valve plug 3, the inner flow passage 31 having an inner inlet for gas inflow and outflow, respectively. 311 and an inner outlet 312, and an inner valve chamber 313 between the inner inlet 311 and the inner outlet 312.

The blocking valve 4 is mounted on the inner valve chamber 313 of the main valve plug 3, and includes a valve plug member 41, an elastic member 42 for pushing the valve plug member 41 to close the inner inlet 311, and a screwing device. The main valve plug 3 is pressed against the fine adjustment member 33 of the elastic member 42. In the first preferred embodiment, the valve plug member 41 is a ball, and the elastic member 42 is a compression spring. When a pressure value of the gas flowing in from the inner inlet 311 is greater than a predetermined value, the gas is The valve plug 41 can be pushed away from the inner inlet 311 to allow gas to flow out through the inner outlet 312 via the inner valve chamber 313. When a pressure value of the gas flowing in from the inner inlet 311 is less than the preset value, That is, the valve plug 41 cannot be pushed away from the inner inlet 311 so that gas cannot flow out through the inner outlet 312 via the inner valve chamber 313.

The operating member 5 is connected to the main valve plug 3 and located outside the body 2, and includes a knob 51 having a slightly inverted U-shaped cross-section, and the two are disposed opposite each other. The limit lever 52 of the knob 51. One end of the limiting levers 52 is movably inserted at different positions of the limiting recesses 22 by rotating the knobs 51, respectively.

Referring to Figures 5, 6, and 7, the main valve plug 3 can be operated to switch between a detection position, a release position, and a closed position. When located at the detection position, the main valve plug The inner inlet 311 of the third body communicates with the relay inlet 214 of the main body 2, and the inner outlet 312 of the main valve plug 3 communicates with the relay outlet 215 of the main body 2, the relay inlet 214 and the relay outlet 215 The inner limiting passages 31 are connected to each other, and one end of the limiting rods 52 of the operating member 5 are respectively engaged with the detecting limit sections 222 of the limiting recesses 22 . When located in the release position, the main valve plug 3 does not block the relay inlet 214 and the relay outlet 215, and the relay inlet 214 and the relay outlet 215 are directly connected by the main valve chamber 213, and One end of the limiting rods 52 of the operating member 5 is respectively engaged with the releasing limit sections 221 of the limiting recesses 22 . When in the closed position, the main valve plug 3 blocks at least one of the relay inlet 214 and the relay outlet 215, the relay inlet 214 is inaccessible to the relay outlet 215, and the operating member 5 One ends of the limiting rods 52 are respectively engaged in the closing limit sections 223 of the limiting recesses 22 .

In actual use, before leaving the factory, the gas operator can rotate the fine adjustment member 33 to adjust the force of the elastic member 42 on the valve plug member 41, after setting the preset value, and adjust the main valve plug 3 to The closed position is stored and distributed, and the gas voltage regulator 200 (see FIG. 3) is connected to the user end, and the main valve plug 3 is adjusted to the detection position and then provided to the user. and also That is to say, if the gas operator first sets the gas pressure value of the preset value of 5 kg, if the pressure value of the inflowing gas is higher than 5 kg, the valve plug 41 can be pushed away. The inner inlet 311 allows gas to flow out from the inner outlet 312 via the inner valve chamber 313, as shown by the arrow in FIG. 5, if the pressure value of the inflowing gas is less than 5 kilograms, the valve plug When the thrust pushed by the gas is insufficient to resist the elastic force generated by the elastic member 42, the elastic member 42 pushes the valve plug 41 against the inner inlet 311, as shown by the imaginary line in Fig. 5, so that the gas cannot pass through the The inner valve chamber 313 flows out from the inner outlet 312. At this time, the user can know that the gas storage in the drum gas 100 is low, and the user only needs to hold the knob 51 and pull up and rotate slightly, so that the limiting rods 52 are followed by the limiting grooves 22. The detection limit section 222 is displaced to the release limit section 221, and the main valve plug 3 is located at the release position, as shown in FIG. 6, at which time, the gas can flow in from the relay inlet 214. Through the main valve chamber 213, the relay outlet 215 flows out for the user to continue to use, and then the user can call the gas operator to arrange another bucket of gas 100 to avoid the gas being used up. No gas is available.

In addition, when the gas reserve in the barreled gas 100 is not lower than the set value, when the user does not use the gas damper 400 (see FIG. 3), the user can also hold the knob 51 for safety reasons. Pressing down and slightly rotating, the limit levers 52 are displaced along the limit recesses 22 by the detection limit sections 222 to the closing limit sections 223, and the main valve plugs 3 are located. The closed position, as shown in FIG. 7, is such that gas cannot escape from the inner outlet 312 or the relay outlet 215.

Referring to FIG. 8, a second preferred embodiment of the present invention is a second embodiment of a gas fitting that can be interrupted at a low voltage, and the content thereof is substantially the same as that of the first preferred embodiment. The difference is that the method further comprises: The transmitter 6 of the transmitter 6 includes a switch 61 and a wireless transmitting component 62 electrically connected to the switch 61. In operation, when the main valve plug 3 (see FIG. 6) is in the released position, one of the limiting rods 52 of the operating member 5 can trigger the switch 61 of the transmitter 6 to enable the wireless transmission. The component 62 sends a wireless signal, and the wireless signal can be transmitted to a servo host (not shown) of the gas dealer through an automatic dialing device (not shown) such as the second, so that the gas operator can grasp it instantly. The state of use of the user gas is transmitted to the receiving prompter as disclosed by the applicant in M441098, and the user actively contacts the gas dealer.

Referring to FIG. 9 and FIG. 10, a third preferred embodiment of the gas fitting capable of low voltage interruption is substantially the same as the first preferred embodiment, and the difference is that the main inlet 211 The utility model is used for connecting a gas barrier switch 300 for connecting to a gas voltage regulator 200. The gas pressure regulator 200 has a voltage regulator 201. However, the third preferred embodiment does not need to change the existing commercially available gas barrel switch 300 and the gas pressure regulator 200, and can be directly connected between the gas barrel switch 300 and the gas pressure regulator 200. use.

Referring to FIG. 11 and FIG. 12, a fourth preferred embodiment of the present invention is a fourth embodiment of a gas fitting that can be interrupted at a low voltage, and the content thereof is substantially the same as that of the first preferred embodiment, and the difference is as follows: A voltage regulator 7 connected between the main outlet 212 and the relay outlet 215 is also included. The main inlet 211 is used to connect a gas drum switch 300 for connecting a gas appliance 400.

According to the above description, the gas fittings capable of being interrupted at low pressure have the following advantages and effects:

1. When the main valve plug 3 is in the detecting position, the valve plug 41 can block the inner inlet 311 when the pressure value of the gas is lower than the preset value, so that the gas cannot pass through the The inner valve chamber 313 flows out from the inner outlet 312. At this time, the main valve plug 3 can be pulled upward to the release position, so that the gas can flow out to the main outlet 212 through the main valve chamber 213. In order to allow the user to know that the gas is about to be used up, the user can contact the gas supplier to deliver another barrel of gas 100, so that the user can Greatly improve the convenience of the use of the barreled gas 100.

2. By the cooperation of the limiting rods 52 and the limiting recesses 22, the operating member 5 can be fixed and fixed after being rotated by an angle, and the operation is relatively simple and convenient.

Third, the user can use this new type, that is, it is not necessary to store a spare barrel of gas 100 at home, but it can virtually divide the full volume of a barrel of gas into a large one and a small quantity, and use it in large quantities. It has a suggestive effect, and there are still small portions that can be used continuously. As a result, the possibility of potential dangerous events can be greatly reduced to improve the safety of residence.

It is worth mentioning that the main valve plug 3 of the present invention can also be simplified to switch only between the detection position and the release position without having to close the main The function of the valve chamber 213 is that, in the third and fourth preferred embodiments, the gas drum switch 300 connected to the upstream side has an independent closing function. In the first and second preferred embodiments, The main flow path 21 is provided with a conventional shut-off valve (not shown) on the upstream side or the downstream side of the main valve plug 3 and the main valve chamber 213, that is, has an independent closing function.

However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention cannot be limited thereto, that is, the simple equivalent change and modification made by the novel patent application scope and the novel description content, All remain within the scope of this new patent.

2‧‧‧ Ontology

21‧‧‧mainstream

211‧‧‧ main entrance

212‧‧‧Main exit

213‧‧‧Main valve room

214‧‧‧ Relay entrance

215‧‧‧Relay exit

22‧‧‧ Limit groove

221‧‧‧Remove the limit section

222‧‧‧Detection limit section

223‧‧‧Close the limit section

3‧‧‧Main valve plug

31‧‧‧Inner runner

311‧‧ inside entrance

312‧‧‧Export

313‧‧‧ inner valve room

4‧‧‧Interruption valve

41‧‧‧ Valve plugs

42‧‧‧Flexible components

43‧‧‧ fine adjustments

5‧‧‧Operating parts

51‧‧‧ knob

52‧‧‧Limited rod

6‧‧‧Transmitter

61‧‧‧ switch

62‧‧‧Wireless transmitting components

7‧‧‧Regulator

100‧‧‧ barreled gas

200‧‧ watt gas regulator

201‧‧‧ Voltage Regulator

300‧‧‧ gas bucket switch

400‧‧ ‧ gas appliances

1 is a schematic diagram of a conventional gas inventory detecting device; FIG. 2 is a schematic view of another gas storage detecting device of the prior art; FIG. 3 is a first preferred embodiment of the present invention capable of low-voltage blocking gas fittings. FIG. 4 is an exploded perspective view of the first preferred embodiment; FIG. 5 is a partial cross-sectional view of the first preferred embodiment, illustrating a first embodiment of the first preferred embodiment; A main valve plug is in a state of a detecting position; FIG. 6 is a partial cross-sectional view of the first preferred embodiment, illustrating the main valve plug in a released position; FIG. 7 is a first preferred embodiment of the first preferred embodiment a partial cross-sectional view showing the state in which the main valve plug is in a closed position; FIG. 8 is a partial cross-sectional view showing a second preferred embodiment of the gas fitting capable of being interrupted at a low pressure, illustrating a transmitter; 9 is a partial cross-sectional view showing a third preferred embodiment of the gas fitting capable of being interrupted at a low pressure, illustrating a combination between a gas cylinder switch and a gas damper device; FIG. 10 is a third preferred embodiment. Figure 1 is a partial cross-sectional view of a fourth preferred embodiment of the present invention capable of low-voltage interrupting of a gas fitting, illustrating a combination between a gas drum switch and a gas appliance; and Figure 12 is the fourth A partial cross-sectional view of the preferred embodiment.

2‧‧‧ Ontology

21‧‧‧mainstream

211‧‧‧ main entrance

212‧‧‧Main exit

213‧‧‧Main valve room

214‧‧‧ Relay entrance

215‧‧‧Relay exit

22‧‧‧ Limit groove

221‧‧‧Remove the limit section

222‧‧‧Detection limit section

223‧‧‧Close the limit section

3‧‧‧Main valve plug

31‧‧‧Inner runner

311‧‧ inside entrance

312‧‧‧Export

313‧‧‧ inner valve room

4‧‧‧Interruption valve

41‧‧‧ Valve plugs

42‧‧‧Flexible components

43‧‧‧ fine adjustments

5‧‧‧Operating parts

51‧‧‧ knob

52‧‧‧Limited rod

Claims (10)

A gas fitting capable of being interrupted at a low pressure, comprising: a body comprising a main flow passage having a main inlet and a main outlet for gas inflow and outflow respectively, and a main inlet and a main outlet between the main inlet and the main outlet a main valve chamber, a relay inlet connecting the main valve chamber and the main inlet, and a relay outlet connecting the main valve chamber and the main outlet; a main valve plug installed in the main valve chamber of the main valve chamber And including an inner flow passage having an inner inlet and an inner outlet for gas inflow and outflow, and an inner valve chamber between the inner inlet and the inner outlet, the main valve plug Being operated to switch between a detection position and a release position, the internal inlet of the main valve plug is connected to the relay inlet of the main body when the detection position is located, and the inner outlet of the main valve plug Connected to the relay outlet of the main body, the relay inlet and the relay outlet are connected by the inner flow passage, and when located in the release position, the main valve plug does not block the relay inlet and the relay outlet The relay inlet and the relay outlet are directly connected by the main valve chamber And a shut-off valve mounted to the inner valve chamber of the main valve plug, and including a valve plug member, and a resilient member that pushes the valve plug member to close the inner inlet when flowing in from the inner inlet When a pressure value of the gas is greater than a predetermined value, the valve plug can be pushed away from the inner inlet, so that gas can flow out from the inner outlet through the inner valve chamber, and a pressure value of the gas flowing in from the inner inlet When it is less than the preset value, the valve plug cannot be pushed out of the inner inlet, so that the gas cannot flow out through the inner outlet through the inner valve chamber. Gas distribution capable of low voltage interruption according to item 1 of the scope of patent application The blocking valve further includes a trimming member screwed to the main valve plug and pressed against the elastic member. The gas fitting capable of being interrupted by low pressure according to claim 1 of the patent application, further comprising an operating member connected to the main valve plug and located outside the body. The gas fitting capable of being interrupted by a low pressure according to the third aspect of the patent application, wherein the body further comprises at least one limiting groove, the operating member comprising a knob, and at least one limiting rod disposed on the knob One end of the limiting rod is movably inserted at different positions of the limiting groove to limit the main valve to the detecting position or the releasing position. The gas fitting capable of being interrupted by a low pressure according to the fourth aspect of the patent application, wherein the limiting groove has a releasing limit section adjacent to the top of the body, and one is located below the releasing limit section And a spaced-apart detection limit segment, wherein one end of the limit lever is engaged in the release limit segment when the release position is performed, and one end of the limit bar is clamped at the detection position Detect the limit area. A gas accessory capable of being interrupted by a low voltage according to claim 3, further comprising a transmitter disposed on the body, the transmitter comprising a switch, and a wireless communication electrically connected to the switch The component, when the main valve plug is in the released position, the operating member can trigger the switch of the transmitter. The gas fitting capable of being interrupted at a low pressure according to the first aspect of the patent application, wherein the main valve plug is further operable to switch between the detecting position and a closing position, when in the closed position, The main valve plug is interrupted At least one of the relay inlet and the relay outlet, the relay inlet is inaccessible to the relay outlet. A gas fitting capable of being interrupted at a low pressure according to any one of claims 1 to 7, wherein the main inlet is for connecting a barrel of gas for connecting a gas-voltage regulator The gas voltage regulator has a voltage regulator. A gas fitting capable of being interrupted at a low pressure according to any one of claims 1 to 7, wherein the main inlet is for connecting a gas barrier switch for connecting a gas pressure regulator The device has a voltage regulator. The gas fitting capable of being interrupted by low pressure according to any one of claims 1 to 7, further comprising a voltage regulator connected between the main outlet and the relay outlet, the main inlet It is used to connect a gas drum switch, which is used to connect a gas appliance.