JP3258701B2 - Gas supply device and beverage supply device using this gas supply device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gas supply device and a beverage supply device using the gas supply device.

[0002]

2. Description of the Related Art At the present time, as a gas supply device in the case of using a pressurized gas in the general public, a gas supply device in which a pressure reducing valve is set in a refilling container filled with a high-pressure gas or a disposable high-pressure gas container is cut. Some of them are used by setting them on pressure reducing valves with. Also, the beverage supply device is generally a beverage container, a refill gas container, (or a disposable gas container),
It is composed of a pressure reducing valve with a cutting device and a discharge device. Furthermore, there is a part in which a pressure reducing valve and a gas container are integrally attached to a beverage container.

[0003]

Since the refill container is gas-sealed with a valve, a gas leak occurs before use, and there is a problem in the reliability of the internal capacity especially in a small-capacity container. . In the case of a disposable high-pressure gas container,
Although up to open the gas leakage problem can be substantially eliminated, must cut the seal plate of the gas cylinder, unfamiliar people, especially for women and the like, such as would by leaking gas during cutting for a high pressure gas There was a problem.

[0004] Gas supply system of the present invention, when selling gas container to a user, advance professional man cut set the bomb cutting device, the user this mosquito <br/> the decompressor The gas can be used simply by connecting to a gas cutting device.

[0005] In addition, in the beverage supply device, the user sets, but since many components are used, skill is required for use, and the refill gas container needs to be managed separately from the beverage container. There were problems such as disposal methods and resource reuse.

In order to solve these problems, there is a device in which a refill gas container and a pressure reducing valve are attached to a beverage container in advance and a discharge container is set, and at the same time, a gas is supplied to the beverage container from a pressure reducing valve attached to the container. However, also in this apparatus, when the container is washed to handle the beverage, the detergent and the like may adversely affect the pressure reducing valve and the refill container, and the gas leak of the refill gas container has not been solved yet.

In the beverage supply device of the present invention, after filling a beverage container with a beverage, a gas cylinder is attached to a cutting device provided in the container to cut the beverage, and the beverage is supplied to a user in this state. On the user side, the supply head is mounted on the container, and at the same time, the pressure reducing device is connected to the cutting device for use. The cylinder is collected in a state set in the beverage container even after use. In addition, the filling of the beverage can be performed by removing the cutting device and the cylinder, so that the influence on the cutting device and the like at the time of washing the container can be eliminated.

[0008]

The gas supply device according to the present invention has a cutting device and a pressure reducing device. The cutting device has a cylinder mounting port, a cutting needle protruding from the cylinder mounting port, a gas passage extending between the cut needle and the other end, and a tendency to always shut off the gas passage in the gas passage. The valve includes a valve pin having one end protruding out of the gas passage, and a connection portion on the one end side of the valve pin.

The decompression device includes a connecting portion having a shaft hole on the same axis, a cylinder portion communicating with the shaft hole at one end and having a gas discharge port, and slidably fitted on the cylinder portion to make the shaft hole from one surface to the shaft hole. Includes a piston from which the rod to be inserted protrudes, a pressure adjusting spring that presses the other surface of the piston, a spring receiver for receiving the other end of the pressure adjusting spring, and an adjusting screw for adjusting the axial position of the spring receiver to set the pressure. And has a discharge dial screwed to the outer periphery of the cylinder portion.

[0010] The two devices are mutually connected at their respective connection parts.
Freely connected to have, in the connected state so that the gas passage communicates with the formed on the piston rod side secondary pressure chamber and the airtight cylinder section, this rod opposite contactable with a valve pin.

Further, the beverage supply device according to the present invention has a cutting device, a decompression device, a supply head, and a container. The cutting device has a cylinder mounting port, a cutting needle protruding from the cylinder mounting port, a gas passage extending between the cut needle and the other end, and a tendency to always shut off the gas passage in the gas passage. The valve includes a valve pin having one end protruding out of the gas passage, and a connection portion on the one end side of the valve pin.

The decompression device includes a connecting portion having a shaft hole on the same axis, a cylinder portion communicating with the shaft hole at one end and having a gas discharge port, and slidingly fitted to the cylinder portion to be connected to the shaft hole from one surface. Includes a piston from which the rod to be inserted protrudes, a pressure adjusting spring for pressing the other surface of the piston, a spring receiver for receiving the other end of the pressure adjusting spring, and an adjusting screw for adjusting the axial position of the spring receiver to set the pressure. And has a discharge dial screwed to the outer periphery of the cylinder portion.

[0013] The supply head is formed integrally with the decompression device,
It has a gas introduction passage extending from the gas discharge port and is detachable from the container.

The container has a gas inlet, a siphon tube, a beverage outlet, and a storage box for a cylinder. A cutting device is detachably attached to the opening of the storage box.

[0015] Then, while wearing the dispensing head to the container, and a cutting device decompressor secondary pressure chamber in which the gas passage is formed on the piston rod side of the cylinder portion and connected to each of the connecting portion airtightly communicating, this rod opposite contactable with the valve pin, and the secondary pressure chamber and the container communication is allowed gas passage gas outlet Ru <br/>, gas inlet passage, and through the gas inlet The beverage is supplied to the outside through the siphon tube.

In the above gas supply device or beverage supply device, the connecting portion of the cutting device is a concave portion surrounding the one end of the valve pin,
The connecting portion of the pressure reducing device is a convex portion having a shaft hole, and in a state where the convex portion and the concave portion are fitted, an O-ring arranged on the inner surface of the concave portion is pressed against the outer peripheral surface of the convex portion to form a gas passage and a secondary. The pressure chamber communicates in an airtight manner.

[0017]

In the case of a gas supply device, a cylinder is previously mounted on a mounting port of the cylinder of the cutting device. The sealing plate of the cylinder is cut by a cutting needle, and high-pressure gas flows out to the cutting device.
That is, is blocked distributed by the valve pin Runode, flow outside
I will not do it . It is delivered to the user in this state. The user connects the decompression device to this cutting device. In use, the valve pin moves turning the release dial, so opening the gas passage, release the pressure gas to the outside from the gas discharge hole
Will be issued .

In the case of the beverage supply device, the beverage container is filled with the beverage on the trader's side, and a gas cylinder is attached to the cutting device. The sealing plate of the cylinder is cut with a cutting needle,
Flows into the cutting device, but the flow is cut off by the valve pin
So it does not flow out. It is delivered to the user in this state. The user attaches the supply head integrated with the decompression device to the container. Decompressor In this mounting is also connected to the cutting device, the gas passage communicating the secondary pressure chamber and the container gas outlet, the gas inlet passage, and is formed through a gas inlet.

When a beverage is to be removed, the pressure gas passage is opened by turning the discharge dial of the pressure reducing device. The pressurized gas flows into the container and presses against the surface of the beverage, so that the beverage passes through the siphon tube and flows out through the outlet. If there is a valve mechanism for opening and closing the gas passage of the secondary pressure chamber and the container to the supply head side of the gas passage communicating with the beverage are not released even by opening the passage of pressure gas by turning the release dial. When the beverage is taken out, this valve mechanism is operated.

The connecting portion of the cutting device is a concave portion surrounding the one end of the valve pin, and the connecting portion of the pressure reducing device is a convex portion having a shaft hole. When the O-ring arranged on the inner surface of the concave portion is pressed against the outer peripheral surface of the convex portion so that the gas passage and the secondary pressure chamber are air-tightly communicated, simply pushing the decompression device toward the cutting device, The secondary pressure chamber is airtightly connected, making the operation extremely simple.

[0021]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The same reference numerals in the drawings indicate the same or corresponding parts. 1 to 3 show a gas supply device. 1 is a cutting device and 2 is a decompression device.

The cutting device 1 includes a mounting port 3 for the cylinder B, a cutting needle 4 protruding from the mounting port, a gas passage 5 extending between the cutting needle and the upper end, and a gas passage 5 in the gas passage. and includes one end 6 have a tendency to block the passage constantly valve pin 7 projecting upward of the gas passage 5, the connecting portion 8 in one end portion 6 side of the valve pin. Cylinder B
The high pressure gas is attached to the cutting device 1 and cut.
It flows out to the cutting device 1 from Nbe B but the valve pin 7
Since the gas passage 5 is blocked, it may flow out
There is no.

The pressure reducing device 2 includes a connecting portion 10 having a shaft hole 9 on the same axis, a cylinder portion 12 communicating with the shaft hole 9 at a lower end and having a gas discharge port 11, and a cylinder portion 12. A piston 14 protrudes from a lower surface of a rod 13 which fits into the shaft hole 9 from the lower surface, a pressure adjusting spring 15 for pressing the upper surface of the piston, a spring receiver 16 for receiving an upper end of the pressure adjusting spring, an axial direction of the spring receiver It has a discharge dial 18 screwed to the outer periphery of the cylinder 12 with an adjusting screw 17 for adjusting the position and setting the secondary pressure. An outlet pipe 19 such as a nozzle or a hose is attached to the gas discharge port 11.

The two devices 1 and 2 can be freely connected to each other by connecting portions 8 and 10. In the connected state, the gas passage 5 is formed on the rod 14 side of the piston 14 of the cylinder portion 12. communicating with the primary pressure force chamber 20 and the airtight, the rod 13 is made to face to be contact with the valve pin 7.

FIGS. 4 to 6 show a beverage supply device. 1 is a cutting device, 2 is a decompression device, 31 is a supply head, and 32 is a container.

The cutting device is provided on the same axis with a mounting opening 3 for the cylinder B, a cutting needle 4 protruding from the mounting opening, a gas passage 5 extending between the cut needle and the upper end, and a gas passage in the gas passage. one end 6 have a tendency to cut off all the time the valve pin 7 projecting upward of the gas passage 5, and a connecting portion 8 in one end portion 6 side of the valve pin.

The pressure reducing device 2 has a connecting portion 10 having a shaft hole 9 on the same axis, a cylinder portion 12 communicating with the shaft hole 9 at a lower end thereof and having a gas discharge port 11, and a cylinder portion 12. A piston 14 protrudes from a lower surface of a rod 13 which fits into the shaft hole 9 from the lower surface, a pressure adjusting spring 15 for pressing the upper surface of the piston, a spring receiver 16 for receiving an upper end of the pressure adjusting spring, an axial direction of the spring receiver It has a discharge dial 18 screwed to the outer periphery of the cylinder 12 with an adjusting screw 17 for adjusting the position and setting the secondary pressure.

The container 32 has a gas inlet 34 and a siphon tube 3
5, a beverage outlet 36 and a storage box 37 for the cylinder B are provided. The cutting device 1 is detachable from the opening of the storage box 37.

The supply head 31 is formed integrally with the pressure reducing device 2, has a gas introduction passage 33 extending from the gas discharge port 11, and is detachable from the container 32.

The container 32 has a gas inlet 34, a siphon tube 3
5. Equipped with beverage outlet 36 and storage box 37 for cylinder B
The cutting device 1 is detachably attached to the opening of the housing box 37.
It has become.

With the supply head 31 mounted on the container 32, the cutting device 1 and the pressure reducing device 2
And 10 are connected. The gas passage 5 has a secondary pressure formed on the rod 13 side of the piston 14 of the cylinder portion 12.
The rod 13 is air-tightly communicated with the power chamber 20, and the rod 13 is opposed to the valve pin 7 so as to be in contact with the valve chamber 7 . The secondary pressure chamber 20 and the container 32
Are the gas discharge port 11, the gas introduction path 33, and the gas introduction port 34
By gas passage formed through and communicating, beverage
It is supplied to the outside through a siphon tube
You .

There are various configurations of the supply head 31. In the case of the present invention, the gas introduction path 33 communicates directly with the inside of the container 32 with the supply head 31 mounted on the container 32, or can be opened and closed by a valve mechanism. If of the type communicating with, it can be adopted.

The drawings show an example of this and will be briefly described. The container 32 has a ground 41, a valve housing 42, a siphon tube 35 described above, a valve element 43, and a spring 44. The ground 41 is provided on the top of the container 32 and has an inner flange 45 and an outer flange 46. The valve housing 42 is concentric with the ground 41, hangs down from the ground, has an open upper surface, and has the gas inlet 34 described above on the side surface.

The siphon pipe 35 penetrates downward from the inside of the valve housing 42 and has the above-described outlet 36 on the side surface in the valve housing 42. The valve body 43 is located in the valve housing 42 and slides on the outer periphery of the siphon tube 35 to open and close the outlet 36. The valve body 43 is constantly pushed upward by a spring 44 interposed between the bottom surface of the valve housing 42 and the bottom surface of the valve body 42, and has a tendency to seal the outlet 36.

The supply head 31 has an on-off valve portion 51. The opening / closing valve portion 51 includes a base portion 52, a hook 53, a valve hole 5
4, packing 55, sleeve valve 56, hose mounting pipe 57
have. The base 52 is placed on the ground 41, and is locked at a predetermined position by engaging the hook 53 with the outer flange 46 of the ground. This hook 5
When the base 3 is set on the ground 41, the base 3 may be automatically engaged with the outer flange 46 when the base 3 is set on the ground 41.

The valve hole 54 vertically penetrates the opening / closing valve portion 51, and a pair of O-rings 58, 59 are disposed at intervals in the vertical direction. And the lower O-ring 5
9 has an enlarged diameter portion 60, and a packing 55 is arranged at the lower edge portion. The packing is fitted in an inner flange 61 protruding from the wall surface of the valve hole 54 in the center direction by a groove 62 on the outer periphery thereof. And the inner flange 63 at the lower end of the packing 55
Is compatible with the inner diameter of the inner flange 45 of the ground 41.

The sleeve valve 56 has, on the side surface, an outer flange 65 with a through hole 64 having a through hole 64 and an opening / closing portion 66, and houses a ball valve 67 for preventing backflow inside. The sleeve valve 56 is slidably fitted in the valve hole 54 so as to be vertically movable by a handle 68 and the opening / closing portion 66 is located between the pair of O-rings 58 and 59. When the sleeve valve 56 slides, the lower part of the opening / closing part 66 communicates with the enlarged diameter part 60 of the valve hole 54, the lower end thereof pushes the valve body 43, and the outer flange 6 with the through-hole.
The packing 55 is pressed between the inner ring 5 and the inner flange 45 of the ground 41. The hose mounting pipe 57 is connected to the upper end of the sleeve valve 56, and has an outlet 69 that forms a passage when the ball valve 67 abuts on the lower end.

The connecting portion 8 of the cutting device 1 is a concave portion surrounding the upper end portion 6 of the valve pin 7, and the connecting portion 10 of the pressure reducing device 2 is a convex portion having a shaft hole 9. The O-ring 71 disposed on the inner surface of the concave portion is pressed against the outer peripheral surface of the convex portion in a state where the convex portion and the concave portion are fitted, and the gas passage 5 and the secondary pressure chamber 20 communicate with each other in an airtight manner.

In use, the beverage is filled into the container 32 through the outlet 36. Then, the cylinder B is attached to the cutting device 1 and cut, and the cylinder B is placed in the housing box 37 of the container 32, and the cutting device 1 is mounted on the housing box.
It is delivered to the user in this state.

When the user sets the supply head 31 in the container 32, the pressure reducing device 2 is connected to the cutting device 1 at the same time, and the secondary pressure chamber 20 is connected to the gas supply port 11 and the gas introduction path 3.
3. It communicates with the container 32 by a gas passage formed by the gas inlet 34. When the gas passage 5 is opened by turning the discharge dial 18, the pressure gas enters the container 32,
Since the surface of the beverage is pressed, the beverage flows up the siphon tube 35 and is sent out from the outlet 36 to the outside.

[0041]

According to the present invention, the cutting device and the pressure reducing device are separated, and the gas passage of the cutting device is usually provided by a valve pin.
Blocked, cut by connecting the both devices in use
Runode such a state that the gas passage may open the winding device, can be provided to the user in the state of being cut by attaching a high-pressure gas cylinder to the cutting device, extremely safe, recovery can be easily performed.

According to the second aspect, the gas passage is normally shut off.
Is installed in the container, the supply head and the pressure reducing device are integrated, and by attaching this supply head to the container, the pressure reducing device can be freely connected to the cutting device. If the user has a decompression device, the trader can put the beverage in the container and provide it to the user with the high-pressure gas cylinder set in the cutting device, it is extremely safe, and only the cylinder and the container can be collected after use Therefore, the problem of industrial waste can be solved.

[0043] According to claim 3, simply by connecting a vacuum device and cutting device, it can perform a tight coupling of the gas passage and the secondary pressure chamber.

[Brief description of the drawings]

FIG. 1 is a cut side view of a cutting device of a gas supply device, showing a state in which a cylinder is attached.

FIG. 2 is a cut-away side view of the pressure reducing device.

FIG. 3 is a cut-away side view showing a state in which the cutting device and the pressure reducing device are combined and a cylinder is attached to the cutting device.

FIG. 4 is a sectional side view of a part of a container of the beverage supply device and a cutting device, showing a state where a cylinder is attached to the cutting device.

FIG. 5 is a cut-away side view of the pressure reducing device and the supply head.

FIG. 6 is a cut-away side view showing a state in which a supply head is mounted on a container, a cutting device and a decompression device are connected, and a cylinder is attached to the cutting device.

[Explanation of symbols]

REFERENCE SIGNS LIST 1 cutting device 2 decompression device B cylinder 3 mounting port 4 cutting needle 5 gas passage 6 one end 7 valve pin 8 connection portion 9 shaft hole 10 connection portion 11 gas discharge port 12 cylinder portion 13 rod 14 piston 15 pressure regulating spring 16 spring receiver 17 adjustment screw 18 release dial 20 secondary pressure chamber 31 feed head 32 vessel 33 gas inlet passage 34 a gas inlet port 35 siphon tube 36 delivery port 37 accommodating Napishtim 71 O-ring

Claims (3)

(57) [Claims] 1. A cutting device (1) and a decompression device (2), wherein the cutting device (1) is mounted on the same axis and has a mounting port for a cylinder (B).
(3), a cut needle (4) protruding from the mounting opening, a gas passage (5) extending between the cut needle and the other end, and one end having a tendency to always shut off the gas passage in the gas passage. part (6) moth
Scan path (5) a valve pin projecting out (7), and includes a connecting portion (8) on the one end portion (6) side of the valve pin, the decompressor (2) is on the same axis, the axis Connection part (1
0), a cylinder part (12) having one end communicating with the shaft hole (9) and having a gas discharge port (11), and a rod (1) slidably fitted into the cylinder part and fitted into the shaft hole (9) from one side. 13) protruding piston (14), pressure regulating spring (1
5), spring receiver receives the other end of the pressure control spring (16), the cylinder portion (12) outer periphery with a spring receiving adjustment screw to adjust the axial position to set the secondary pressure (17) The two devices (1, 2) are freely connectable to each other at respective connection portions (8, 10), and in the connected state, the gas passage (5) is connected to the cylinder portion ( 12)
The piston (14) of the rod (13) is formed on the side the secondary pressure chamber
(20) A gas supply device, wherein the rod (13) is air-tightly communicated with the valve pin (7) so as to be able to abut against the valve pin (7). 2. A cutting device (1), a decompression device (2), a supply head (31) and a container (32), wherein the cutting device (1) is provided on the same axis as a mounting port for a cylinder (B).
(3), a cut needle (4) protruding from the mounting opening, a gas passage (5) extending between the cut needle and the other end, and one end having a tendency to always shut off the gas passage in the gas passage. part (6) moth
Scan path (5) a valve pin projecting out (7), and includes a connecting portion (8) on the one end portion (6) side of the valve pin, the decompressor (2) is on the same axis, the axis Connection part (1
0), a cylinder part (12) having one end communicating with the shaft hole (9) and having a gas discharge port (11), and a rod (1) slidably fitted into the cylinder part and fitted into the shaft hole (9) from one side. 13) protruding piston (14), pressure regulating spring (1
5), a spring receiver (16) for receiving the other end of the pressure adjusting spring, and an adjusting screw (17) for adjusting the axial position of the spring receiver to set the secondary pressure, on the outer periphery of the cylinder (12). It has a discharge dial (18) screwed into it, and the supply head (31) is formed integrally with the pressure reducing device (2),
Equipped with a gas introduction path (33) extending from the discharge port (11) and detachable from the container, the container (32) has a gas inlet (34), a siphon pipe (35), a beverage outlet (36), And a storage box (37) for the cylinder (B), and a cutting device (1) is detachably attached to the opening of the storage box (37), and the supply head (31) is mounted on the container (32). The cutting device (1) and the decompression device (2) are connected by respective connection parts (8, 10), and a gas passage (5) is formed on the rod (13) side of the piston (14) of the cylinder part (12). by communicating the secondary pressure chamber (20) hermetically, the rod (13) is capable of abutting to face the valve pin (7),
And the secondary pressure chamber (20) and container (32) gas passage Ru is communicating gas outlet (11), a gas introduction path (33), and a gas inlet (34)
A beverage supply device formed through a siphon tube (35) to supply the beverage to the outside. 3. The connecting portion (8) of the cutting device (1) has a valve pin.
In the concave portion surrounding the one end portion (6) of (7), the connecting portion (10) of the pressure reducing device (2) is a convex portion having a shaft hole (9), and the convex portion and the concave portion are fitted. The O-ring (71) disposed on the inner surface of the concave portion in such a state is pressed against the outer peripheral surface of the convex portion so that the gas passage (5) and the secondary pressure chamber (20) communicate with each other in an airtight manner. A gas supply device or a beverage supply device according to any one of the preceding claims.