KR100438998B1 - Valve of a replenishing gas-can - Google Patents

Abstract

PURPOSE: A valve is provided to simply combine and separate the vale through a screw combination and to easily and quickly charge cold liquefied gas in a high pressure by installing an exclusive charging pin. CONSTITUTION: An installing portion(10) has an installing groove(14) having a through-hole by forming a spiral portion(12) in an inner circumference of an upper cap(120). A gas charging/discharging portion(50) comprises a valve body(20), a charging pin(30) and a discharging pipe(40). The valve body is screwed in the installing portion with a sealing member(16) by forming a spiral portion(22) in an outer circumference of a valve(1). The valve body is screwed with a fixing member(28) in a first sill(24a) of a passage(24) with a packing(26) by forming an installing slot(25) in the upper part of the passage. In the inserting slot, a sealing ring(35) is held by a spring(32) to be located in the bottom of the passage. A sealing ring(35) of the charging pin is combined thereon. The discharging pipe has an input/output passage(42) to be separated from the charging pin. A through-hole(44) is formed in the discharging pipe to be connected with the input/output passage by facing to the packing. The discharging pipe is supported by the bottom of an isolating flange(45) or a spring(46) through a second sill(24b) of the passage. A gas guiding pipe has a combining portion and an expanding portion. The combining portion has a wide upper part and a narrow lower part is formed in the end of the passage under the valve body. The expanding portion is expanded in the connected portion with the passage. The gas guiding pipe is installed by a combining member(60).

Description

Valve of a replenishing gas-can

The present invention relates to a valve for a rechargeable gas container, and more particularly, the coupling and separation of the valve filled and discharged gas is made simply by screwing, as well as having a dedicated charging pin according to the charge, The present invention relates to a valve for a filling gas container, which enables quick filling even in a liquefied gas.

Generally used gas containers have various forms such as butane gas containers, insecticide containers, fragrance containers, etc., and most of these gas containers are disposable and are discarded. Many problems have resulted in safety.

Accordingly, various types of gas containers that can be recharged and used in recent years have been manufactured and used. In the gas container used for recharging, the role of the valve according to recharging has played a significant role.

The conventional valve installed in the gas container to be recharged as described above was largely the gas discharge valve and the filling valve is installed separately in the upper and lower body of the gas container, in this case, not only the structure is complicated but also the unit cost There is a problem that increases.

In addition, although a valve capable of simultaneously discharging and recharging has been installed in the upper part of the gas container, in this case, the filling facility has a problem in that rapid charging is not usually performed by a continuous filling method of a rotary type.

In other words, most of the gas filled into the gas container is filled and discharged at a high pressure and a low temperature liquefied state, and the filling and discharge of the gas is performed along the same path, resulting in wear of the gas valve. Not only were the gas leaks worse, but there was also a need to frequently change the packing due to wear.

In addition, in the valve in which gas is discharged and filled by using a single valve, the common orifice is small, so it is not a problem when the gas is discharged. However, the diameter of the orifice is high when the gas is filled at high pressure and low temperature. It takes a lot of time due to the small recharge also caused a problem that rapid charging is not made.

Accordingly, the present invention has been made to solve the conventional problems as described above, the purpose is that the coupling and separation of the valve that is filled and discharged gas into the gas container is made simply by screwing, as well as dedicated to filling It is provided with a filling pin to facilitate rapid charging of the gas in a low temperature liquefied state at high pressure.

Another object of the present invention is to make it possible to more tightly couple the gas induction pipe while the gas filling and discharge more smoothly.

Another object of the present invention is to be able to combine the gas induction pipe to the position required.

Still another object of the present invention is to process the mounting portion for screwing the valve more simply to have a simple structure.

The present invention for achieving the above object is coupled to the upper and lower caps on the upper and lower parts of the body, the upper cap is provided with a valve which is mounted to charge and discharge the gas in a low temperature liquefied state at high pressure A gas container, comprising: a mounting portion having a mounting groove having a spiral portion and a through hole formed on an inner circumferential surface of the upper cap; The valve has a spiral portion formed on the outer circumferential surface thereof, and is screwed together with the airtight member to the mounting portion, and an insertion hole is formed at the top of the stepped flow passage so as to have a small width at the bottom thereof, and the fastener is screwed to the first step of the flow passage like the packing. The valve body to be coupled, and the insertion hole has a spring located on the bottom surface of the flow path is supported by the bottom of the support flange, the filling pin is coupled to the sealing ring to the upper surface, and the entrance and exit path spaced out of the filling pin is formed A gas filling part having a small diameter from the upper side of the packing and contacting the packing is formed with a through hole connected to the entry and exit path, and includes a discharge tube supported by a bottom surface of the blocking flange and a spring by a stepped second step of the flow path. / Discharge unit; The upper end of the valve body of the valve body has a wide upper end and a narrow lower side coupling portion is formed, the corresponding gas induction pipe formed by the expansion port is formed by the coupling port to expand the portion connected to the passage correspondingly The gas induction pipe connected to the flow path to the bottom of the valve body is characterized in that it is mounted by a coupler.

The upper surface of the filling pin is formed in the fitting groove and the upper surface is characterized in that formed in a lower position than the upper surface of the discharge tube.

In addition, the coupler is characterized in that the spiral is formed on the outer surface and the screw body is formed by forming a spiral with a corresponding valve body.

In addition, the mounting portion is characterized in that it is configured to form a mounting hole with the upper cap and the fastening nut corresponding to it to the bottom surface is welded.

1 is an exploded perspective view showing main parts of the present invention.

Figure 2 is a longitudinal sectional view of the main part in the coupled state according to FIG.

3 is a longitudinal sectional view of principal parts of a state in which gas is filled by the valve of the present invention.

4 is a longitudinal sectional view of principal parts of a state in which gas is released by a valve of the present invention.

5 is a partial exploded cross-sectional view showing another embodiment of the present invention.

6 is a cross-sectional view of the main parts of the coupled state according to FIG.

7 is a sectional view showing the principal parts of another embodiment of the present invention.

Explanation of symbols for the main parts of the drawings

1: Valve

10: mounting part

10a: mounting hole 10b: tightening nut

12,20a, 22,62: spiral 14: mounting groove

16: airtight member

20: valve body

20b: coupling part 24: flow path

24a: first step 24b: second step

25: insertion hole 26: packing

28: fixture

30: charging pin

30a: fitting groove 32,46: spring

34: support flange 35: sealing ring

40: discharge tube

42: entry and exit 44: through

45: blocking flange

50: gas filling / discharging unit

60: coupler

100: gas container

110: body 120: upper cap

130: gas induction pipe 130a: expansion pipe

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is an exploded perspective view showing main parts of the present invention, and FIG. 2 is a longitudinal cross-sectional view of a main part in a coupled state according to FIG. 1.

The upper cap 120 and the lower cap (not shown) are coupled to the upper and lower portions of the body 110 as shown, and the upper cap is mounted to charge and discharge the gas in a low temperature liquefied state at high pressure. In a conventional gas container 100 having a valve 1 to be,

The present invention includes a mounting portion (10) formed with a mounting portion (14) formed with a spiral portion (12) and a through-hole so that the valve body to be described later screwed into the inner circumferential surface to the upper cap 120;

The valve 1 has a spiral portion 22 formed on the outer circumferential surface thereof and is screwed together with the airtight member 16 to the spiral portion of the mounting portion, and inserted into the upper end of the stepped flow path 24 to have a small width at the lower side in the center thereof. A ball 25 is formed, such as the packing 26, the valve body 20, the fastener 28 is screwed to the first step (24a) of the flow path, and the insertion hole 25 of the flow path 24 Spring 32 located on the bottom surface support the bottom of the support flange 34, the charging pin 30 is coupled to the sealing ring 35 to the upper surface and the entrance and exit spaced apart at a certain distance to the outside of the charging pin (42) is formed and has a small diameter from the upper side of the packing and a through hole 44 connected to the entry and exit path is formed in a portion that is in contact with the packing to block the flange 45 to the stepped second step (24b) of the flow path A gas filling / discharging part 50 composed of a discharge tube 40 supported by the bottom of the bottom and the spring 46;

The bottom of the valve body 20 is connected to the flow path 24 is shown that the gas induction pipe 130 is mounted by the coupling port 60 is built into the body of the gas container.

According to the configuration as described above is to have a condition that can be easily coupled and separated when the valve body is screwed into the mounting portion formed in the upper cap of the gas container, the assembly is screwed to the upper portion of the flow path of the valve body In addition, it can be easily combined and detached, and will have a condition that can be easily repaired and replaced in the event of breakage or abnormality of the valve.

And, the upper surface of the filling pin 30 is formed with a fitting groove (30a) to be inserted so that the end of the injection tube is smoothly inserted and pressurized and the upper surface is formed in a lower position than the upper surface of the discharge tube (40) In order to achieve this, it is preferable to use the filling pin to smoothly charge and discharge the gas without filling the gas and the gas discharged using the discharge tube.

3 is a longitudinal sectional view of principal parts of a state in which gas is filled by the valve of the present invention.

As shown in the above configuration, the inlet of the known filling device is brought into contact with the upper end of the fixture 28 of the valve 1 and the inlet of the inlet is filled with the filling / discharging part 50. As the pin 30 is lowered, the sealing ring 35 coupled to the upper surface of the support flange 34 of the filling pin 34 held by the spring 32 to the bottom of the discharge tube 40 is lowered. The low-temperature liquefied gas at a high pressure through the injection tube while being spaced from the bottom of the discharge tube is introduced through the inlet and outlet path 42 formed between the filling pin 30 and the discharge tube 40, the valve body 20 It will be through the flow path 24 of.

In this way, the liquefied gas introduced into the flow path of the valve body is introduced into the body of the gas container through the gas induction pipe 130 connected by the coupling port 60 to the end thereof is filled.

Therefore, when filling the gas in a low temperature liquefied state at a high pressure so that it can be introduced into the body of the gas container through the filling-only filling pin formed in the valve and the widely secured entry and exit paths and flow paths, conditions for rapid rapid charging Will have.

Meanwhile, in the process of filling the gas as described above, the discharge pipe 40 is supported by the spring 46 to the second step 24b of the flow path 24 and the through hole 44 formed by the discharge pipe is packed ( 26), the gas being filled does not leak.

4 is a longitudinal sectional view of principal parts of a state in which gas is discharged by the valve of the present invention.

In the above-described configuration, as shown in FIG. 3, when the low-temperature liquefied gas is filled into the body of the gas container as shown in FIG. 3, the fitting portion of the valve 1 is fixed to the fixture 28 of the valve 1. As the discharge tube 40 of the valve is pressed by the mounting portion, the discharge tube, which is supported by the spring 46 to the second step 24b of the flow path 24, moves in the direction of the arrow. As the formed through hole 44 is separated from the packing 26, the low temperature liquefied gas in the body of the gas container passes through the gas induction pipe 130 and the flow path 24, and then enters and exits through the through hole 44. It is discharged through) and fed to the combustion device.

At this time, the filling pin 30 located inside the discharge pipe 40 is supported by a spring 32 located as the bottom surface of the flow path 24 is sealed ring 35 coupled to the upper surface of the support flange 34 Due to the position close to the bottom of the discharge tube to close the end of the entry and exit, the discharged gas will not flow back to the inside.

Therefore, the low-temperature liquefied gas filled into the body of the gas container can be smoothly discharged through the flow path, the through hole and the inlet and outlet after passing through the gas induction pipe.

On the other hand, it is possible to smoothly press only the discharge tube when the valve is attached to the mounting portion of the combustion device, because the upper surface of the filling pin is formed in a position lower than the upper surface of the discharge tube as described above, Only the discharge tube is pressed smoothly without pressing the pin.

5 is an exploded cross-sectional view of the main part showing another embodiment of the present invention, and FIG. 6 is a cross-sectional view of the main part in a coupled state according to FIG. 5.

As shown in the above configuration, the gas induction pipe 130 mounted by the coupling hole 60 to be connected to the bottom passage 24 of the valve body 20 is in the state of being filled with the low temperature liquefied state In case of use, the gas induction pipe is dehydrated with liquefied gas so that the gas does not flow out, so that the gas induction pipe has a condition to be located in the space of the body of the gas container when the liquefied gas is filled.

Accordingly, the coupler 60 forms a spiral portion 62 on the outer side and forms a spiral portion 20a with a valve body 20 corresponding thereto so as to be screwed thereon, so that the coupler 60 is connected to the flow path as the coupling sphere. It is possible to combine the gas induction pipe to the desired position according to the screw coupling.

Therefore, in a state where a gas container is used, the gas induction pipe is provided with a condition capable of closely coupling the gas induction pipe to a desired position by screwing.

In addition, the expansion pipe portion 130a is formed to be expanded to the portion connected to the flow path of the gas induction pipe 130 so as to more closely couple the gas induction pipe installed to be connected to the flow path of the valve body, such as the coupling port. And it is preferable that the end of the flow path corresponding thereto has a coupling portion 20b having a wide upper side and a narrow lower side.

Accordingly, the coupling portion screwed to the bottom of the valve body also has a condition that can be securely coupled tightly and firmly coupled to the expansion portion of the gas induction pipe and the flow path of the flow path.

7 is a sectional view showing the principal parts of another embodiment of the present invention.

In the above configuration as shown, the mounting portion 10 forms a mounting hole (10a) into which the valve body is inserted into the upper cap 120 and corresponding to the bottom of the mounting portion 10a screw and screw It is shown that the fastening nut 10b is configured to be welded in a general manner to be coupled.

Accordingly, the valve body is hermetically coupled by screwing as described above, while a process for forming a mounting groove as described above to form a mounting groove and forming a spiral portion at its inner circumferential surface for screwing the valve with the upper cap is made easier. And it will have a condition that can be separated.

As described above, the present invention is to provide a valve for filling and releasing a low-temperature liquefied gas at high pressure into the filling gas container, provided with a dedicated filling pin according to the filling and the gas container through a widely secured entry and exit passage and flow path In addition to the rapid charging of the furnace, the upper cap allows the valve to be coupled by screwing, so that the valve can be quickly repaired and replaced in case of breakage or abnormality due to use, and has a flow path formed in the valve body. The coupling portion is formed at the end of the gas induction pipe so as to correspond to the expansion pipe portion is formed by the coupling mechanism has the effect of more tightly coupled to the gas induction pipe when screwed into the valve body.

In addition, the filling groove formed by the upper surface of the filling pin not only makes the filling operation easier, but also makes the upper surface of the filling pin lower than the upper surface of the discharge tube, thereby easily filling without interference when filling and discharging the gas. It also has the effect that over release can be achieved.

In addition, the effect of being able to couple and fix the gas induction pipe, which is connected to the flow path of the valve body to inlet and discharge the low temperature liquefied gas into and out of the body of the gas container, is required by the coupling means for screwing. Have

In addition, since the mounting portion of the upper cap for screwing the valve can be processed more simply, there is also an effect that can be formed in a simpler and simpler manufacturing process.

Claims (5)

In the upper and lower body of the body coupled to the upper cap and the lower cap, the upper cap in the gas container having a valve which is mounted to charge and discharge the gas in a low temperature liquefied state, A mounting portion 10 having a spiral portion 12 formed on an inner circumferential surface of the upper cap 120 to form a mounting groove 14 having a through hole; The valve 1 has a spiral portion 22 formed on an outer circumferential surface thereof and is screwed together with the airtight member 16 to the mounting portion, and an insertion hole 25 is formed at the top of the stepped flow path 24 so as to have a small width at the lower side in the center thereof. ) Is formed, such as the packing 26, the valve body 20, the fastener 28 is screwed to the first step (24a) of the flow path, and the insertion hole 25, the spring located on the bottom surface of the flow path ( 32 is formed on the bottom of the support flange 34 and the filling pin 30 to which the sealing ring 35 is coupled to the upper surface thereof, and the entrance and exit path 42 spaced apart by a certain distance to the outside of the filling pin is formed. A through hole 44 having a small diameter from the upper side of the packing and coming into contact with the packing is formed, and has a bottom surface and a spring of the blocking flange 45 as a stepped second step 24b of the flow path. A gas filling / discharging unit 50 composed of a discharge tube 40 supported by 46; A coupling portion 20b having a wide upper end and a narrow lower side is formed in the flow path at the bottom of the valve body 20, and an expansion pipe 130a is formed to be expanded to a portion connected to the flow path 24 correspondingly. Filled gas container valve, characterized in that one gas induction pipe 130 is mounted by the coupling port (60). In the upper and lower body of the body coupled to the upper cap and the lower cap, the upper cap in the gas container having a valve which is mounted to charge and discharge the gas in a low temperature liquefied state, A mounting portion 10 having a spiral portion 12 formed on an inner circumferential surface of the upper cap 120 to form a mounting groove 14 having a through hole; The valve 1 has a spiral portion 22 formed on an outer circumferential surface thereof and is screwed together with the airtight member 16 to the mounting portion, and an insertion hole 25 is formed at the top of the stepped flow path 24 so as to have a small width at the lower side in the center thereof. ) Is formed, such as the packing 26, the valve body 20, the fastener 28 is screwed to the first step (24a) of the flow path, and the insertion hole 25, the spring located on the bottom surface of the flow path ( 32 is supported by the support flange 34, the filling pin 30 to which the sealing ring 35 is coupled to the upper surface, the fitting groove 30a formed on the upper surface of the filling pin 30, and the filling Entry and exit paths 42 are formed at a predetermined distance to the outside of the fin, and a through hole 44 is formed to have a small diameter from the upper side of the packing and is in contact with the packing, and the stepped portion of the flow path is formed. Composed of the discharge tube 40 supported by the spring 46 and the bottom surface of the blocking flange 45 to the second step (24b) A gas filling / discharging unit 50 having an upper surface of the filling pin 30 lower than an upper surface of the discharge tube 40; Filling gas container valve, characterized in that the gas induction pipe 130 is connected to the bottom of the valve body 20 is connected by the coupling port (60). The method of claim 1, wherein the coupler 60 is a screw type, characterized in that the threaded portion 62 is formed on the outer surface and the screw body 20a is formed by screwing the corresponding valve body (20) Valve for gas container. delete The filling gas container of claim 1, wherein the mounting portion 10 is configured to form a mounting hole 10a by the upper cap 120, and a fastening nut 10b corresponding thereto is welded to its bottom surface. Valve.