KR940000075Y1 - Gas pouring holder - Google Patents

Abstract

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Description

Gas injection holder

1 is a perspective view of the present invention.

2A and 2B are sectional views taken along the line A-A of the present invention, and FIG. 2A is a view without gas injection, and FIG. 2B is a gas injection state.

Figure 3 is a schematic cross-sectional view showing an air supply passage of the gas injection holder of the present invention, Figure 3a is a view showing an open air control valve, Figure 3b is a view showing a closed air control valve.

4 is a partial cross-sectional view of the gas injection holder of the present invention.

Figure 5 is a state of use showing the state of use of the gas injection holder of the present invention.

* Explanation of symbols for main parts of the drawings

1: gas injection holder 2: holder

3: gas filled injection body 4: stepped portion

5: Air supply passage 5A: Opening part

5B: Closed portion 6: Air open / close control valve

7: Air supply path 8, 8A: Spring

9: piston 10: cylinder body

11: gas main distribution pipe 11A: gas main channel

12: flow tube 12A: inner protrusion

12B: Through passage 13: Packing housing

14 packing 15 ring

17 gas nozzle housing 16 cylinder cover

17A: Stone Jaw 18: Distribution Channel

19: handle 20: gas cylinder

21: projection 22: gas inlet

23: flange

The present invention relates to a gas injection holder for injecting liquefied gas into the gas container, by forming a hook-shaped holder at the front end of the gas injection holder and engaging with the projections of the gas cylinder, so that the gas injection holder and the gas passage To maintain airtightness, to form the handle of the gas injection holder with the elastic material of the spring phenomenon to mitigate the impact of the gas injection, the air to the air supply pipe formed with the air supply passage to the inside of the cylinder of the gas injection holder By supplying the piston and the flow tube formed with the passageway between the pistons, the reciprocating operation is performed, and a gas filling injection body is formed in the flow tube to facilitate opening and closing of gas injection.

In general, in a gas filling station that injects liquefied gas (LP G or butane) into a gas container, place an empty gas container on a scale, add the weight of the empty gas container, and then fill the gas container with the total weight of gas. The actual weight of is measured.

At this time, since the gas is immediately filled into the empty gas cylinder, the operation method for the operator to artificially open and close the gas injection holder decreases the reliability of the injection of the gas rated capacity. When injected, an automatic gas filling device is used to shut off the gas injection holder by electronic control, but this is because the gas cylinder and gas injection holder have weak adhesion in the gas injection process between the gas injection holder and the empty gas container. This results in a problem in that the liquid gas is consumed unnecessarily, and the efficiency of smooth filling of the gas due to the outflow of the gas remaining in the gas injection holder decreases.

The present invention has been made to solve the above problems, in the gas injection holder for injecting high-pressure gas into the gas cylinder, the front end of the holder is formed in the shape of a hook in front of the gas injection holder, air supply An elastic force is formed by a spring with a piston body having a through path connected to and connected with a gas main flow path in a cylinder body that is allowed to pass through the flow path, and a gas filled injector having the holder formed therein in the piston body has a stronger elastic force than the spring. It is formed by the spring having an elastic force, the packing formed in the rear of the gas filling injection is formed to elastically open and close the flow path formed in the upper end of the passage in the piston body under the elastic force of the spring, the air supply flow To connect the furnace to the cylinder body formed at the rear of the gas injection holder. The air opening and closing control valve for opening and closing the air supply passage is formed in the cylindrical stepped portion, and a spring-shaped handle is formed around the gas main distribution pipe to impact the gas injection during gas injection. The purpose is to provide a gas injection holder to buffer the.

Hereinafter, the technical configuration and operation effects of the present invention by the accompanying drawings.

1 is a perspective view of the present invention, Figures 2a, 2b is a cross-sectional view taken along line AA of the present invention, Figure 2a shows a state without gas injection, Figure 2b is a view of the gas injection state, Figure 3 is a schematic cross-sectional view showing an air supply flow path of the gas injection holder of the present invention, Figure 3a is a view showing an open air control valve, Figure 3b is a view showing a closed air control valve, Figure 4 A partially cutaway cross-sectional view of the gas injection holder according to the present invention, and FIG. 5 is a state diagram showing the state of use of the gas injection holder according to the present invention. As shown in FIGS. 1 to 5, a high-pressure gas is injected into an empty gas cylinder. At least three female threads are formed at the front end of the body 1 'of the gas injection holder 1, and at least three or more holes are formed in the flange 23 having the same shape as the opposite side thereof. 23) under the city That is at least as soon alignment screws by at least two screws at the same time, keeping the shape formed by the hook body 2 is formed in the flange 23 is at least one of the alignment through the hole and the trunk body 1 'screw.

The holder 2 is fitted to the protrusion 21 of the empty gas cylinder 20 so that the gas filling injector 3 is brought into close contact with the gas inlet 22 of the empty gas cylinder 18, whereby the gas injection holder ( 1) and to maintain the confidentiality of the empty gas cylinder (20).

An air supply flow passage 5 is formed in the stepped portion 4 formed at the rear of the body 1 ', and the air supply flow passage 5 is an open portion A and a closed portion 5B. It consists of, and is formed to be opened and closed by the air opening and closing control valve (6). For example, the cylinder body 10 by the air supply is operated by operating the air open / close control valve 6 so that the opening portion 5A of the air supply flow passage 5 and the air supply passage 7 are connected to each other. When the piston 9 formed therein moves to move against the spring 8, the packing 14 and the stepped portion 17A formed in the gas nozzle housing 17 are separated, and the flow path 18 is completely opened.

At this time, the air supply passage (5) is formed to pass through the air supply passage (7) in the cylinder body to advance the piston (9) receiving the elastic force of the spring (8), the piston (9) is a flow pipe It is formed to abut the outer projection of the (12) to move the flow tube (12) integral with the gas main flow tube (11) during the movement of the piston, between the piston (9) and the cylinder cover (16) One spring 8 is formed.

In addition, a spring 8A having a larger elastic force than the spring 8 is installed between the inner protrusion 12A of the flow tube 12 and the packing housing 13, and the packing 14 of the packing housing 13 is installed. The gas filling injection unit 3 is formed.

In the above, a ring 15 is formed on the outer circumference of the piston 9 to prevent leakage of air air, and a gas having a protrusion 17A is formed between the packing 14 and the gas filling injection body 3. The nozzle housing 17 is formed to control the opening and closing of the flow path 18.

Referring to the operation of the present invention configured as described above are as follows.

A hook-shaped holder 2 is integrally formed at the front end of the gas injection holder 1 of the present invention, and the holder 2 is formed by the rear projection 21 of the gas suction port 22 of the empty gas cylinder 20. The gas filling injector 3 formed at the front of the gas injection holder 1 is brought into close contact with the gas inlet of the empty gas cylinder at the same time as the gum, so that the gas filling injector is pushed back by the elastic force of the spring.

At this time, the packing 14 formed at the rear of the gas filling injection body 3 and the protrusion 17A of the gas nozzle housing 17 are separated, so that the flow passage 18 formed at the gas filling injection body 3 is opened. do.

By operating the air open / close control valve 6 in such a state so that the opening portion 5A of the air supply flow passage 5 and the air supply passage 7 are connected to each other, the cylinder body 10 by the air supply When the piston 9 formed therein moves to move against the spring 8, the protrusion 14A formed in the packing 14 and the gas exposure housing 17 is separated, and the flow path 18 is completely opened.

Therefore, the gas charged through the gas main flow passage 18 is distributed through the flow passage 18 of the through passage 12B and the gas filling injector 3, and the flowed gas is passed through the gas filling injector ( The empty gas cylinder is filled through the injection passage of 3) (see also part 2b).

When the gas is buffered in the empty gas cylinder 20 by the above operation, the air open / close control valve 6 is operated to allow the air supply closing portion 5B and the air supply passage 7 to communicate with each other in the cylinder body 10. Allow extruded air to escape.

At this time, the piston 9 is returned to its original state by the elastic force of the spring 8, so that the gap between the packing 14 and the protrusion 17A formed integrally with the gas nozzle housing 17 becomes narrow, When the annular holder 2 caught on the projection 21 is removed from the gas cylinder 20, the gas filling injector 3 that is in close contact with the gas inlet 22 of the gas cylinder 20 has a strong elastic force. It returns to original by the force of the spring 8A which has (refer also FIG. 2A).

Therefore, the protrusion 14A formed integrally with the packing 14 and the gas nozzle housing 17 is completely in contact with each other by the spring 8A having a strong elastic force.

As described above, the present invention forms a hook-shaped holder at the front end of the gas injection holder and engages with the projection of the gas cylinder, thereby maintaining the airtightness between the gas injection holder and the gas cylinder and springs the handle of the gas injection holder. It is formed of an elastic material to mitigate the impact of gas injection, and the air supply flow passage leading into the cylinder of the gas injection holder connects the piston by the air supply to the air supply pipe, and the flow pipe formed with the piston and the through passage. The gas filling injection body is formed in the flow tube to be brought into contact with each other to make the reciprocating operation, and the opening and closing of the gas injection is easy.

Claims (3)

The cylindrical body 1 'for injecting the high-pressure gas into the gas cylinder, the retainer 2 having a hook shape screwed to the flange 23 at the front end, and the handle 1 at the rear are main In the gas injection holder (1) formed to elastically surround the outer peripheral surface of the flow pipe (11), the air opening and closing control valve (6) is installed on the outer rear end of the body (1 '), the air opening and closing control The valve 6 integrally forms an air supply flow passage 5 consisting of an open portion 5A and a closed portion 5B, and the gas injection holder 1 has a gas main flow passage 11A at its rear side. And a piston body (9) reciprocating back and forth inside the cylinder body (10) on the opposite side thereof, a flow pipe (12) integrally provided with the piston body (9), and a front end of the flow pipe (12). The gas nozzle housing 17 is fitted to the flange 23 is fitted so as to surround the outer peripheral surface of the flow pipe 12 Spring 8 is installed between the piston body 9 and the cylinder cover 16, and a spring 8A is formed between the protrusion 12A and the packing housing 13 formed inside the flow pipe 12. The gas injection holder, characterized in that the elasticity is installed, the packing 14 is installed between the gas filling injecting body (3) and the packing housing (13) to move forward, retreat under the elastic force of the spring (8A). 2. The air according to claim 1, wherein the air supply passage 5 passes through the air supply passage 5 so as to communicate with the inside of the cylinder body 10 formed in the kitchen of the gas injection holder, and opens and regulates the air supply passage 5. Gas injection holder characterized in that the opening and closing control valve (6) is formed in the cylindrical stepped portion (4). The gas injection holder according to claim 1, wherein a handle body 19 having a spring shape is formed around the gas main distribution pipe 11 to cushion the impact of the gas injection during gas injection. .