JPH0649862U - Gas tap - Google Patents

Abstract

(57) [Summary] [Structure] The gas plug body 1 is formed with a mounting hole 1e communicating with the gas passage 1c located between the inflow port 1a and the plug body 5. The base end portion of the connection mouthpiece 6 is rotatably attached to the mounting hole 1e. A plug portion 6c of a quick joint is formed on the outer periphery of the tip of the connection mouth ring 6. Inside the connection base 6,
Outflow passage 6d communicating with the gas passage 1c through the mounting hole 1e
To form. The outflow path 6d is provided with a main valve 11a and a sub valve 11b that open when the socket (not shown) is connected to the plug portion 6c and close when the socket is removed. [Effect] When a new gas device is installed in addition to the gas device connected to the outlet part 1 b, the new gas device can be connected to the connection mouthpiece 6. Therefore,
There is no need to install a new gas tap. Moreover, the new gas appliance can be used independently regardless of the opening / closing position of the stopper 5.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a gas stopper suitable for use when newly installing a gas device in addition to an existing gas device.

[0002]

[Prior art]

 Generally, a gas tap has an inlet part to which a gas pipe on the main tap side is connected, an outlet part to which a gas pipe on the gas equipment side is connected, and a gas passage that connects the inlet part and the outlet port. It is equipped with a plug for opening and closing this gas passage, and is installed in the vicinity of the connected gas equipment. For example, in a high-rise apartment house, if there is a gas appliance on the veranda, etc., it will be installed on the wall facing the veranda.

[0003]

[Problems to be solved by the device]

 By the way, in the case of adding gas equipment to the above-mentioned housing complex, new gas equipment is often installed on the veranda adjacent to the existing gas equipment. In such cases, it would be convenient if a new gas appliance could be connected to the gas tap to which the existing gas appliance was connected. However, the conventional gas plug does not have a preliminary connection part. Therefore, new gas equipment cannot be connected to the existing gas tap. For this reason, when adding gas equipment, it is necessary to install gas plugs as many as the number of gas equipment to be added, and in addition, gas piping work must be done for the gas equipment. There was a problem.

The present invention has been made to solve the above problems, and when a new gas device is added, both the old gas device and the new gas device can be connected at the same time, so that no pipe work is required. It aims at providing the gas stopper which can be

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention provides a gas stopper body having a gas passage formed therein, which communicates a gas inlet portion and an outlet portion with each other, and the gas passage body. In a gas plug having a plug body for opening and closing, a quick joint type connection having an outflow passage communicating with the gas passage located between the inflow port and the plug body in the gas plug body. And a valve element is provided in the outflow passage to open the outflow passage when the socket of the gas pipe is connected to the connection portion and to close the outflow passage when the socket is removed from the connection portion. It is what

[0006]

[Action]

 When using one gas appliance, connect the gas appliance to the outlet. At this time, no gas flows out of the outflow passage because the outflow passage of the connection part is closed by the valve. When installing a new gas equipment in addition to the gas equipment connected to the outlet, connect the new gas equipment to the connection. In this case, a quick joint type socket shall be attached to the gas pipe for connecting a new gas equipment. Then, when this socket is connected to the connecting portion, the valve body opens the outflow passage. Therefore, gas is also supplied to new gas equipment.

In the state where the gas equipment is connected to the outlet and the connecting portion, for example, when repairing the gas equipment connected to the outlet, the stopper of the gas plug must be closed, but the outlet is Since it communicates with the gas passage on the upstream side of the plug, gas flows into the outlet even if the plug is closed. Therefore, the gas equipment connected to the connecting portion can be used independently regardless of the opening / closing position of the stopper.

[0008]

【Example】

 An embodiment of the present invention will be described below with reference to FIGS. 1 to 4 show a gas plug according to the present invention, FIG. 1 is an enlarged sectional view taken along the line AA of FIG. 3, FIG. 2 is a longitudinal sectional view, FIG. 3 is a side view, and FIG. 4 is an enlarged sectional view of a main part.

In the drawings, reference numeral 1 is a gas stopper body. An inflow port 1a is formed at one end of the gas plug body 1 and an outflow port 1b is formed at the other end. The inflow port 1a and the outflow port 1b are communicated with each other by a gas passage 1c formed inside the gas plug body 1.

A nut 2 is screwed into the inlet port 1a, and an engaging member 3 is inserted therein. The flexible gas pipe (not shown) connected to the main plug (not shown) is connected to the inlet port 1a by the nut 2 and the engaging member 3.

On the other hand, a joint 4 is rotatably and airtightly provided at the outlet 1b. Then, by this joint 4, a gas device (not shown) is directly connected to the outlet 1b or via a gas pipe (not shown).

A plug 5 having a through hole 5a is rotatably arranged in the middle of the gas passage 1c. The plug 5 is for opening and closing the gas passage 1c, and closes the gas passage 1c in the state shown in FIG. When the plug body 5 is rotated by about 90 ° with the handle 6 from that state, the upstream side (the inlet port 1a side) and the downstream side (the outlet port 1b side) of the gas passage 1c communicate with each other through the through hole 5a. Then, the gas passage 1c is opened.

Since the connecting structure of the gas pipes at the inlet portion 1a and the outlet portion 1b and the opening / closing structure of the gas passage 1c by the plug 2 are well known and do not relate to the gist of the present invention, Detailed description thereof will be omitted.

The gas plug body 1 has a protrusion 1 d formed on the outer surface thereof located between the inlet port 1 a and the plug body 5. The protruding portion 1d is formed with a mounting hole 1e extending from the tip surface thereof to the gas passage 1c. A connection mouthpiece (connection portion) 6 is rotatably attached to the mounting hole 1e.

As shown in FIG. 4, the connection mouth ring 6 has a tubular shape that is bent at a right angle in the central portion, and has a fitting portion 6a on the base end side and a direction orthogonal to the fitting portion 6a. And a tubular portion 6b extending in the direction. The fitting portion 6a is rotatably fitted in the mounting hole 1e and is prevented from coming off by a stop ring 7. O-rings 8 and 9 seal between the outer peripheral surface of the fitting portion 6a and the inner peripheral surface of the mounting hole 1e.

On the other hand, a plug portion 6c is formed on the outer peripheral surface of the distal end portion of the connecting tubular portion 6b. This plug portion 6c has the same shape as the plug of the quick fitting specified in Japanese Industrial Standard S-2120 or S-2135, and is a socket (not shown) attached to the gas pipe on the gas equipment side. ) Is connected.

An outflow passage 6d is formed inside the connection mouthpiece 6. The outflow passage 6d includes an overflow prevention valve storage hole 6e extending from the end surface of the fitting portion 6a toward the connecting tubular portion 6b side, an on-off valve storage hole 6f penetrating the tubular portion 6b in the axial direction thereof, and these 2 It has a communication hole 6g for communicating the two storage holes 6e and 6f. The storage hole 6e communicates with the gas passage 1c located between the inflow port 1a and the plug 5 via the mounting hole 1e. The rear end of the storage hole 6f is sealed by the lid 10. A valve seat 6h having a tapered hole shape is formed on the inner peripheral surface of the tip of the housing hole 6f.

The opening / closing valve 11 is housed in the housing hole 6f. The on-off valve 11 has a main valve (valve body) 11a and a sub valve (valve body) 11b. The main valve 11a has a tubular shape, and the outer periphery of the main valve 11a is slidably and airtightly fitted to the inner periphery of the storage hole 6f. Further, the main valve 11a is formed with a slit 11c extending in the axial direction thereof. Then, a part of the ball 12 is fitted into the slit 11c to prevent the ball 12 from rotating. A spring receiver 11d is fitted and fixed to the inner circumference of the main valve 11a, and the main valve 11a is urged toward the tip side by the first spring 11e via the spring receiver 11d.

The main valve 11a is positioned such that the outer peripheral surface thereof shields the communication hole 6g and thus closes the outflow passage 6d when the socket is not connected to the plug portion 6c. On the other hand, when the socket is connected to the plug portion 6c, the main valve 11a is pushed to the rear end side by the rod R of the socket via the sub valve 11b and moves to the position shown by the creation line in FIG. 6g is opened, and then the outflow passage 6d is opened. Note that the main valve 11a moves only against the biasing force of the first spring 11e at the beginning of the movement to the rear end side, but hits the second spring 11f during the movement, and thereafter the first and the first springs 11f. The second spring 11e, 11f moves against the urging force.

The sub-valve 11b is for opening and closing the storage hole 6f and, by extension, for opening and closing the outflow passage 6d by sitting on and separating from the valve seat 6h, and its rear end portion is the tip of the main valve 11a. It hits the department. Therefore, the sub-valve 11b is pushed toward the tip side by the biasing force of the first spring 11e, and thereby seated on the valve seat 6h.

Further, a spring 11g for urging the sub valve 11b toward the tip side is disposed between the sub valve 11b and the spring receiver 11d. The spring 11g allows the sub valve 11b to be seated on the valve seat 6h regardless of the position of the main valve 11a when the socket is not connected to the plug portion 6c when not in use. That is, if the spring 11g is not installed and the main valve 11a is stopped in the open state for some reason despite the removal of the socket, the urging force of the first spring 11e causes the auxiliary valve 11b to move. Will not work. Therefore, the sub valve 11b also remains open, and the gas flows out from the outflow passage 6d. In this respect, in this gas plug provided with the spring 11g, the auxiliary valve 11b is always seated on the valve seat 6h by the biasing force of the spring 11g, and the outflow passage 6d is closed to prevent the outflow of gas. The biasing force of the spring 11g is set to be weaker than the biasing force of the first spring 11e.

An overflow prevention valve 13 and a reset mechanism 14 are provided in the storage hole 6e. Since these are configured in the same manner as known ones (see, for example, Japanese Utility Model Publication No. 2-77371 and Japanese Utility Model Publication No. 2-77367), they will be briefly described.

The overflow prevention valve 13 is composed of a valve seat member 13a, a valve body 13b, a guide member 13c, and a spring 13d. The valve seat member 13a has a tubular shape and is screwed and fixed to the housing hole 6e. A valve seat 13e is formed on the inner peripheral surface of the valve seat member 11a, and a guide member 13c is fitted and fixed thereto. The valve body 13b is supported by a guide member 13c so as to be movable in the axial direction of the housing hole 6e, and is biased by a spring 13d in a direction away from the valve seat 13e. In this configuration, when the flow rate of the gas flowing in the storage hole 6e (outflow passage 6d) exceeds a predetermined flow rate, the valve body 13b moves due to the pressure of the gas against the biasing force of the spring 13d, and the valve seat 13e moves to the valve seat 13e. Sit down. This prevents overflow conditions.

On the other hand, the reset mechanism 14 is for removing the valve body 13b from the valve seat 13e when the valve body 13b bites the valve seat 13e and cannot be separated, and has a reset body 14a and a ridge 14b. ing. The reset body 14a is slidably fitted in the housing hole 6e, and the projection 14c formed at the tip end is slidably fitted in the communication hole 6g. The spring 14b moves the reset body 14a toward the housing hole 6f side. Being energized. A gap (not shown) is formed between the outer peripheral surface of the reset body 14a and the inner peripheral surface of the housing hole 6e, and between the outer peripheral surface of the protrusion 14c and the inner peripheral surface of the communication hole 6g. The gas is made to flow through each gap.

The reset mechanism 14 operates as follows. That is, when the main valve 11a moves to the position where the communication hole 6g is opened, the tip of the projection 14c enters into the storage hole 6f. From that state, when the main valve 11a moves toward the tip side by the urging force of the first and second springs 11e and 11f, the main valve 11a hits the projection 14c, and the reset body 14a resists the urging force of the spring 14b. It is moved to the overflow prevention valve 13 side. At this time, if the valve body 13b of the overflow prevention valve 13 is seated on the valve seat 13e, the reset body 14a abuts against the tip end portion of the valve body 13b and separates the valve body 13 from the valve seat 13e. The valve body 13b separated from the valve seat 13e is returned to its original position by the spring 13d.

In the case of using one gas appliance in the gas plug having the above-described configuration, the gas appliance or the gas pipe connected to the gas outlet is connected to the outlet portion 1 b by the joint 4. At this time, the gas pipe is not connected to the connection mouthpiece 6, but the outflow passage 6d is closed by the main valve 11a and the sub valve 11b of the on-off valve 11, so the gas flows out from the outflow passage 6d. There is no such thing. Therefore, this gas plug can be used in the same manner as a conventional gas plug having only one part to which a gas device is to be connected.

When a new gas device is installed in addition to the gas device connected to the outlet 1b, a quick joint socket is attached to the gas pipe of the gas device, and the socket is connected to the plug portion of the connection base 6. Connect to 6c. Then, the rod R of the socket opens the main valve 11a and the sub valve 11b of the on-off valve 11. Therefore, gas is also supplied to new gas equipment.

Further, when the gas equipment connected to the outflow port 1b and the connection mouthpiece 6 are connected to each other and the gas equipment connected to the outflow port 1b is to be removed for repair or the like, a gas stopper plug is used. Close body 5. At this time, since the outflow passage 6d of the connection mouthpiece 6 communicates with the gas passage upstream of the plug 5, the gas flows into the outflow passage 6d even if the plug 5 is closed. Therefore, the new gas device connected to the connection mouthpiece 6 can be used independently regardless of the opening / closing position of the stopper 5.

It should be noted that the present invention is not limited to the above-described embodiments, and can be modified as appropriate without departing from the spirit of the invention. For example, in the above embodiment, the flexible gas pipe is connected to the inflow port 1a by the nut 2 and the engaging member 3, but a taper screw or the like is formed on the inner peripheral surface of the inflow port 1a. The gas pipe may be screwed and fixed. This also applies to the outlet 1b.

Further, in the above embodiment, the connection mouthpiece 6 which is the connection portion is formed separately from the gas plug body 1, but a plug portion similar to the plug portion 6c is formed on the outer peripheral surface of the protruding portion 1d. With you. A valve element may be provided inside the mounting hole 1e for opening and closing the mounting hole 1e according to attachment and detachment of the socket.

Further, in the above embodiment, two valves, the main valve 11a and the sub valve 11b, are installed as the valve bodies for opening and closing the outflow passage 6d, but only one of the valve bodies is installed. You may do it.

[0032]

[Effect of device]

 As described above, according to the gas plug of the present invention, the quick joint type connection part having the outflow passage communicating with the gas plug passage on the upstream side of the plug is provided, and the socket for the connection portion is provided. Since the valve body is provided to open and close the outflow passage according to attachment / detachment, when only one gas appliance is used, it can be used in the same manner as a conventional gas plug. In addition to the existing gas equipment, a new gas equipment can be used by connecting the gas pipe to the connecting portion. Therefore, if the gas stopper of the present invention is installed in place of the conventional gas stopper, it is possible to add gas equipment without performing piping work or the like. Moreover, since the outflow passage is connected to the gas passage on the upstream side of the stopper, a new gas device connected to the connecting portion can be used independently regardless of whether the stopper is opened or closed.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention and is an enlarged sectional view taken along the line AA of FIG.

FIG. 2 is a plan sectional view showing an embodiment of the present invention.

FIG. 3 is a front view of an embodiment of the present invention.

FIG. 4 is an enlarged view of a main part of FIG.

[Explanation of symbols]

 1 Gas Plug Main Body 1a Inlet Port 1b Outlet Port 1c Gas Passage 5 Plug 6 Connection Mouth (Connecting) 6c Plug 6d Outflow Channel 11a Main Valve (Valve) 11b Sub Valve (Valve)

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Sanho Hosaka 3-1-8 Kitahonmachi, Joetsu City, Niigata Prefecture

Claims (1)

[Scope of utility model registration request] 1. A gas plug main body having a gas passage formed therein for communicating a gas inlet port and an outlet port, and a plug body provided in the gas plug main body for opening and closing the gas passage. In the gas plug, the gas plug main body is provided with a quick joint type connection part having an outflow passage communicating with the gas passage located between the inflow port part and the plug body, and a gas is connected to the connection part. A gas plug, wherein a valve element is provided in the outflow passage to open the outflow passage when the socket of the pipe is connected, and to close the outflow passage when the socket is detached from the connecting portion.