JP2003021251A - Additional gas valve - Google Patents

Abstract

PROBLEM TO BE SOLVED: To change the direction of a branch port. SOLUTION: A valve body 2 is divided into an upstream part 2A including an inlet 21 and the branch port 25, and a downstream part 2B including a valve element 6 and an outlet 22. The upstream part 2A and the downstream part 2B are rotatably connected.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an additional gas plug suitable for use when adding a new gas appliance.

[0002]

2. Description of the Related Art As a conventional gas plug of this type, for example, Japanese Utility Model Laid-Open No. 6-49862 and Japanese Patent Laid-Open No. 11-2480.
The one described in Japanese Patent Publication No. 14 is known. These additional gas plugs have a plug main body and a valve body provided in the plug main body. An inlet, an outlet and a branch are formed in the stopper body, and a gas passage communicating with them is provided. The valve body is for opening and closing the gas passage, and is arranged between the branch port and the outlet.

When using the above gas plug, a primary gas pipe is connected to the inlet. A gas appliance is connected to the outlet via a secondary gas pipe or directly. Supply and stop of gas to this gas appliance are performed by a valve body.
Another secondary gas pipe is connected to the branch port. And
A gas appliance to be added is connected via this gas pipe.

[0004]

In the above-mentioned conventional additional gas plug, the branch port is fixed to the plug body. Therefore, for example, when the handle for opening and closing the valve body is oriented in a direction that is easy to operate, the branch opening may face the wall.
In such a case, there is a problem that it becomes difficult to connect the secondary gas pipe to the branch port.

[0005]

In order to solve the above problems, the present invention provides a stopper main body having an inlet, an outlet, a branch opening and a gas passage communicating with these, a branch opening and an outlet. An additional gas plug provided between the valve body for opening and closing the gas passage, the plug body having an upstream side portion including the inlet and the branch port, and a downstream portion including the valve body and the outlet. It is characterized in that the upstream side portion and the downstream side portion are rotatably connected to each other. In this case, the base end portion of the quick-coupling type connecting member is rotatably provided at the branch port around the axis of the branch port, and the tip end portion of the connecting member extends in a direction intersecting the axis line of the branch port. It is desirable to be directed. It is desirable that a closure member that closes the branch opening is detachably attached to the plug body. It is desirable that fixing means is provided between the upstream side portion and the downstream side portion to fix them non-rotatably.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to FIGS. 1 to 4 show a first embodiment of the present invention. The additional gas plug 1 of this embodiment includes a plug body 2. The plug body 2 has a straight tubular shape, and has an inlet 21 formed at one end (the end on the right side in FIG. 1) and the other end (the end on the left side in FIG. 1). An outlet 22 is formed. A gas passage 23 that connects the inlet 21 and the outlet 22 is formed inside the stopper body 2.

A well-known flexible gas pipe connecting joint 3 is attached to the inlet 21. And the entrance 21
A primary side gas pipe (not shown), which is a flexible gas pipe, is connected to this via the joint 3. On the other hand, at the end of the plug body 2 where the outlet 22 is formed,
The joint member 4 having the tapered female screw portion 41 is provided so as to be rotatable around the axis of the tapered female screw portion 41.
An inlet portion (not shown) of the gas appliance is directly screwed and fixed to the tapered female screw portion 41. Exit 22
A secondary-side gas pipe (not shown) may be connected to this, and a gas appliance may be connected via this secondary-side gas pipe.

A protrusion 24 is formed on one side of the stopper body 2. A branch port 25 extending from the tip end surface to the gas passage 23 is formed in the protrusion 24. A known flexible gas pipe connection joint 5 is attached to the branch port 25. Then, a gas appliance (not shown) to be added is connected to the branch port 25 via the joint 5. A joint member similar to the joint member 4 may be rotatably provided at the branch port 25, and a gas appliance to be added to the branch port 25 may be directly connected via the joint member.

A valve body 6 is rotatably provided inside the plug body 2 between the branch port 26 and the outlet 22. The valve body 6 is rotatable between a closed position shown in FIGS. 1 and 2 and an open position rotated by about 90 ° from the closed position, and the valve body 6 is rotated by the handle 7 to the closed position. When moved, the gas passage 23 is closed and the supply of gas to the outlet 22 is stopped. Conversely, when it is rotated to the open position, gas is supplied to the outlet 22.

The plug body 2 is divided into an upstream side portion 2A and a downstream side portion 2B between the branch port 25 and the installation location of the valve body 6. Therefore, the upstream portion 2A has the inlet 21 and the branch port 25, and the downstream portion 2B has the valve body 6 and the outlet 22. A fitting hole 26 having a circular cross section is formed in the downstream end surface of the upstream portion 2A.
On the other hand, a fitting protrusion 27 having a circular cross section is formed on the upstream end surface of the downstream portion 2B. This fitting protrusion 27
Is rotatably fitted in the fitting hole 26. In particular, in this embodiment, the fitting protrusion 27 is fitted into the fitting hole 26 so as to be rotatable about the axis extending in the direction orthogonal to the rotation axis of the valve body 6. As a result, the upstream portion 2
A and the downstream portion 2B are rotatably connected. The fitting protrusion 27 is fitted in the fitting hole 26 in an airtight manner and is prevented from coming off.

In the additional gas plug 1 having the above-mentioned structure, since the upstream portion 2A having the branch port 25 and the downstream portion 2B provided with the valve body 6 and the handle 7 are rotatable, the handle 7 is If the branch port 25 (joint 5) faces the wall when the additional gas plug 1 is connected to the existing gas appliance by the joint member 4 in a direction that is easy to operate, the upstream portion 2A is rotated. By doing so, it is possible to face a direction different from the wall, for example, the opposite side. Therefore, the secondary gas pipe can be easily connected to the branch port 25 through the joint 5.

Next, another embodiment of the present invention will be described. In the following embodiments, only the configuration different from that of the above embodiment will be described, and the same parts as those of the above embodiment will be designated by the same reference numerals and description thereof will be omitted.

FIG. 5 shows a second embodiment of the present invention. In the additional gas plug 1A of this embodiment, a tapered female screw portion 25a is formed on the inner peripheral surface of the branch port 25, and a secondary gas pipe having rigidity such as an iron pipe is screwed to the tapered female screw portion 25a. It is supposed to be done.

FIG. 6 shows a third embodiment of the present invention. In the additional gas plug 1B of this embodiment, a quick joint type plug (connection member) 8 is provided at the branch port 25. The base end of the plug 8 is rotatably provided about the axis of the branch port 25. The tip of the plug 8 to which a socket (not shown) is connected is oriented in a direction orthogonal to the rotation axis of the branch port 25. Therefore, the orientation of the tip portion of the plug 8 can be changed in all three-dimensional directions by rotating the plug 8 and rotating the upstream portion 2A with respect to the downstream portion 2B.

7 and 8 show a fourth embodiment of the present invention. The additional gas plug 1C of this embodiment is configured so that the number of gas appliances can be freely increased or decreased. That is, the attachment portion 28 has the branch port 25 in the upstream portion 2A.
Is formed so as to surround the opening. As shown in FIG. 7, a lid (closing member) 9 is detachably attached to the attachment portion 28 by a bolt B when the gas appliance need not be added, and the branch port 25 is attached by the lid 9. It is closed. Therefore, even if the secondary gas pipe or the gas appliance is not connected to the branch port 25, the gas does not leak from the branch port 25.

On the other hand, when adding a gas appliance, the lid 9 is removed from the mounting portion 28. Then, the mounting member 10 that replaces the lid body 9 is detachably attached to the attachment portion 28 by the bolt B. The mounting member 10 has a fitting hole 101 that communicates with the branch port 25 and has its axis substantially aligned with the branch port 25. A base end portion of a plug 11 similar to the plug 8 is rotatably fitted in the fitting hole 101. Therefore, even with this additional gas plug 1C,
The direction of the tip of the plug 8 can be changed in all three-dimensional directions. Of course, a gas appliance to be added is connected to the plug 11 via a gas pipe. The mounting member 10 includes
Instead of the plug 11, a joint such as the flexible gas pipe connecting joints 3 and 5 or a female screw member having a female screw portion similar to the tapered female screw portion 25a may be attached.

FIG. 9 shows a fifth embodiment of the present invention. In the additional gas plug 1D of this embodiment, the fitting hole 26 is formed in the peripheral wall portion on the downstream side of the upstream portion 2A, that is, inside.
A set screw (fixing means) 12 is screwed into the peripheral wall portion formed with, and the set screw 12 penetrates the peripheral wall portion. Therefore, when the setscrew 12 is tightened, the setscrew 12 comes into pressure contact with the fitting protrusion 27 of the downstream portion 2B. As a result, the upstream portion 2A and the downstream portion 2B
And are fixed so that they cannot rotate. Therefore, according to the additional gas plug 1D, after the joint 5 is oriented in a desired direction, the direction of the joint 5 can be fixed by tightening the set screw 12. Such a set screw 12 is
It can also be adopted in the fourth embodiment.

The present invention is not limited to the above embodiment, but can be modified as appropriate. For example, in the above-described embodiment, the plug body 2 is formed in a straight cylindrical shape, but it may be bent substantially at a right angle between the location where the branch port 25 is formed and the location where the valve body 6 is installed. . In the above embodiment, the fitting hole 26 is formed in the upstream side portion 2A and the fitting protrusion 27 is formed in the downstream side portion 2B. On the contrary, the upstream side portion 2A is formed. It is also possible to form a fitting protrusion on the first side and form a fitting hole on the downstream side portion 2B.

[0019]

As described above, according to the present invention, it is possible to change the direction of the branch port, and thus it is possible to easily connect the secondary gas pipe or the gas appliance to the branch port. can get.

[Brief description of drawings]

FIG. 1 is a view showing a first embodiment of the present invention and is a sectional view taken along line XX in FIG.

FIG. 2 is a diagram showing the same embodiment, which is taken along line XX of FIG.
It is sectional drawing which follows the line.

FIG. 3 is a plan view of the same embodiment.

FIG. 4 is a front view of the same embodiment.

FIG. 5 is a sectional view similar to FIG. 1, showing a second embodiment of the present invention.

FIG. 6 is a sectional view similar to FIG. 1, showing a third embodiment of the present invention.

FIG. 7 is a sectional view similar to FIG. 1 showing a fourth embodiment of the present invention, showing a state in which a branch opening is closed by a lid.

FIG. 8 is a sectional view similar to FIG. 1 showing a quick joint type plug attached to the branch port of the same embodiment.

FIG. 9 is a sectional view similar to FIG. 1, showing a fifth embodiment of the present invention.

[Explanation of symbols]

1 additional gas tap 1A additional gas plug 1B additional gas tap 1C additional gas tap 2 stopper body 2A upstream part 2B Downstream part 6 valve body 8 plugs (connection members) 9 Lid (closure member) 12 Screw member (fixing means) 21 entrance 22 exit 23 gas passage 25 branch

Continued front page    F term (reference) 3H019 BA03 BB01 BB08 BB10 BC05                 3H051 AA05 BB10 CC11 CC15 FF01                 3H054 AA01 BB30 CC01 CE05 GG01                 3H104 JA04 JA14 JB04 JC08 KA02                       KC02 KC07 LF02 LG08 LG22                       LG30

Claims (4)

[Claims] 1. A plug body having an inlet, an outlet, a branch port, and a gas passage communicating with them, and a valve body arranged between the branch port and the outlet to open and close the gas passage. In the additional gas plug, the plug body is divided into an upstream part including the inlet and the branch port and a downstream part including the valve body and the outlet, and the upstream part and the downstream part are divided into two parts. An additional gas tap that is rotatably connected. 2. A proximal end portion of a quick-joint type connecting member is rotatably provided around the branch port about an axis of the branch port, and a tip end portion of the connecting member intersects with the axis line of the branch port. 2. The method according to claim 1, which is oriented in a direction.
Additional gas plug described in. 3. The extension gas plug according to claim 1, wherein a closing member for closing the branch port is detachably attached to the plug body. 4. The fixing means for fixing the upstream side portion and the downstream side portion such that they cannot be rotated is provided between the upstream side portion and the downstream side portion. Additional gas tap.