JPH0631273Y2 - Socket removal device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Use and Outline of the Invention] The present invention relates to a socket removing device, and more particularly to a socket removing device that can be operated within a limited range such as in a box cock.

[Prior Art and Problems Thereof] As a conventional socket removing device, a device that is operated by a lever or the like interlocking with an operating knob is known. In this case, a special interlocking mechanism is required so that the operating force at the time of socket removal does not act on the closing of the cock, and the operation knob requires a socket removal operation area other than the closing opening / closing operation area.

In order to solve the above problems, the one disclosed in Japanese Utility Model Publication No. 59-15828 has already been devised. This relates to a device for removing a socket of a box cock, in which a lid of a box and a release lever are interlocked with each other. That is,
In this case, the operating knob has no relation to the socket removing operation, there is no inconvenience that the cock opening / closing operation and the removing operation are confused, and the acting force does not act on the closing, so that an accident such as leakage from the closing can be prevented.

However, this one is effective only for socket removal operation in a box cock, especially in a box cock with a lid, cannot be used in an embedded type without a lid, and can be externally fitted and connected to a plug. The operability is poor because the socket is removed to open and close the lid independently of the connection part.

[Purpose] The present invention has been made in view of the above point, and includes a plug housed in the box cock as described above,
It can be used particularly effectively when the operation within a limited range such as other embedded plugs is required, and it can also be used for other ordinary plugs. Its purpose is to improve operability.

[Technical Means] The technical means of the present invention, which has been taken to achieve the above-mentioned object, is that "a plug (3) of a gas pipe connector is housed in a tubular casing (6) having an open front. An operation tube (20) arranged concentrically with the outer circumference of (3) and having a size capable of accommodating the socket (S) is accommodated in the casing (6) so as to be retractable, and is used for removing the socket (S). The pair of release levers (1), (1), the plug (3) and the operating cylinder (20) so that the center of the intersection thereof is swingably supported by the plug (3) or the casing (6). Between the release levers (1) and (1), the operating cylinder (20) is brought into contact with one input end (1b) of each of the release levers (1) and (1), and the other output end (1a) ), The socket (S) is set so that the tip of the movable barrel (S ₁ ) to be advanced at the time of connection is in contact with the movable lever (S ₁ ) and the release lever (1),
(1) and the operating tube (20) are interlocked, and the positions of the respective parts are set so that the front end of the operating tube (20) projects a constant stroke from the front end of the casing (6).

[Operation] The technical means of the present invention operates as follows.

In the socket unconnected state, one output end (1a), (1a) of each of the release levers (1), (1) is located near the middle of the plug (3), and the other input end (1b), (1b) is located near the base of the plug (3). Further, the front end of the operating cylinder (20) is in a non-projecting state.

An operating tube for connecting the socket (S) to the plug (3)
Insert the socket (S) into the (20), then first insert the socket (S)
Movable cylinder (S ₁ ) pushes the output ends (1a), (1a),
Move back (1a) and (1a). Since the release levers (1), (1) are pivotally supported at the center of their intersections, the output end (1a),
Due to the backward movement of (1a), the other input ends (1b) and (1b) advance forward. Since the open rear end of the operation tube (20) is in contact with the input ends (1b), (1b), the input ends (1b),
With the forward movement of (1b), the operation tube (20) moves forward. At this time, since the casing (6) remains fixed, the front end of the operating cylinder (20) projects a fixed stroke from the front end of the casing (6).

In order to remove the socket (S) connected to the plug (3) in this way, the front end of the operation tube (20) protruding from the front end of the casing (6) is set to the front end of the casing (6). Forcibly push until it matches. Then, the interlocking mechanism described above interlocks in the reverse order of the case of inserting the socket (S), and finally the output ends (1a), (1a) retract the movable cylinder (S ₁ ) of the socket (S). This means that the socket (S) will come off the plug (3).

[Effects] The present invention having the above-described configuration has the following unique effects.

An operating tube (2) provided concentrically with the plug (3) on the outer periphery of the plug (3)
The socket (S) can be removed by simply pushing it to the front end of (0), so the socket can be easily removed and the operability is good.
In addition, the socket (S) can be easily removed within a limited range, so it can be used for plugs housed in the box cock and other embedded plugs. Since it can also be used for plugs, it has a wide range of use and is practical.

Further, since the mechanism portion for removing the socket (S) is housed in the casing (6), it is difficult for dust and the like to enter the mechanism portion.

Further, since the outer peripheral area of the connecting portion between the plug (3) and the socket (S) is surrounded by the casing (6), the external impact is received by the casing (6). Therefore, the inconvenience that the impact force is directly applied to the connecting portion can be prevented.

[Embodiment] An embodiment of the present invention will be described below with reference to FIGS. 1 to 3.

The embodiment of the present invention, as shown in FIG.
A swing fulcrum (33) provided at the base of (3) pivotally supports a pair of substantially semi-circular release levers (1), (1) so that they can swing relative to each other, and the rear end of the operating cylinder (20). To the input end (1b) of each release lever (1), (1), and the washer (2) concentrically provided on the inner peripheral side of the operation cylinder (20) is connected to the release lever (1). ), (1) is connected to the output end (1a).

Therefore, the swing radius from the swing fulcrum (33) to the input end (1b) is set larger than the swing radius to the output end (1a), and the outer circumference of the output end (1a), (1a) is set. It is set so that the input terminals (1b) and (1b) are located on the side.

When the release levers (1) are combined and pivotally supported on the plug (3), one output end (1a), (1a) of each release lever (1)
And the other input ends (1b), (1b) are symmetrically arranged with respect to the axis of the plug (3) and are formed in a stepped manner near the intersection so as to fit with each other. (1
Supports (21) projecting toward the front side of the plug (3) are formed in a) and (1a).

The release levers (1), (1) are pivotally supported by the plug (3) as described above, and are housed and fixed in the casing (6).

The casing (6) is a circular tubular body, and a flange piece (66) protruding inward is externally fitted and screwed to the front end. A screw hole for screwing the base of the plug (3) is formed on the rear wall, and the plug (3) is fixed to the casing (6) by screwing the base of the plug (3) into the screw hole. It The casing (6) is usually used by being embedded in a wall surface or the like.

Then, when the socket is connected, the disk-shaped washer (2) with which the movable cylinder (S ₁ ) of the socket abuts and the operation cylinder that protrudes forward
As described above, the (20) is housed concentrically with the plug (3).

Since the inner diameter of the rear region of the operating cylinder (20) is formed larger than the outer diameter of the washer (2), the rear region of the operating cylinder (20) is located on the outer peripheral side of the washer (2). However, the inner diameter of the front region is set to be smaller than the outer diameter of the washer (2), that is, the portion transitioning from the rear region to the front region is the step portion (25). The washer (2) is the step (2
It does not move forward than 5). In other words, the washer (2) moves back and forth only in the rear area of the operation tube (20).

The inner diameter of the front region of the operation cylinder (20) is set to be slightly larger than the maximum diameter portion of the socket (S), and the flange piece (22) protruding inward is fitted at the front end. It is matched.

Also, the rear end of the release lever (1), (1) input end (1b),
A tongue piece (26) slightly extends toward the outer circumference in order to easily contact with (1b) and to receive one end of a compression spring (4) described later.

The plug (3) adopted here is one of so-called Kacht-type gas pipe connectors that can easily open and close the flow path by combining with the socket. And the socket is
When the plug (3) is externally fitted and connected, the movable cylinder (S ₁ ) advances, and the connected state is maintained by its internal structure. Conversely, when the movable cylinder (S ₁ ) is retracted, the connected state is changed. It is configured to be released.

The compression spring (4) is externally fitted to the outer peripheral side of the operation cylinder (20), and then the flange piece (66) is externally fitted to the front end of the casing (6). At this time, the front end of the compression spring (4) comes into contact with the back surface of the flange piece (66) and is attached in a compressed state.

Finally, by attaching the flange piece (22) to the front end portion of the operation tube (20), the socket removing device of the present invention is completed.

In the above device, when the socket (S) is not connected, the input ends (1b) and (1b) of the release levers (1) and (1) are operated by the compression spring (4) as shown in FIG. It is compressed at the rear end of (20) and is in contact with the rear wall of the casing (6), while the output ends (1a), (1a) are located near the middle of the plug (3). The support body (21) supports the washer (2) in contact with the stepped portion (25) of the operation tube (20) from the rear side.

Further, the back surface of the flange piece (22) fitted to the front end of the operation cylinder (20) is in a state of being substantially in contact with the surface of the flange piece (66) fitted to the front end of the casing (6). .

In order to connect the socket (S) to the plug (3) housed in the above mechanism, first, the socket (S) is inserted into the operation tube (20). Then, the movable cylinder (S ₁ ) of the socket (S) pushes the washer (2), and the release lever (1),
The output terminals (1a) and (1a) of (1) move backward. The output terminal (1a), (1a)
As the other input end (1b), (1b) moves forward due to the retreat, the operating cylinder (20) that is in contact with it is moved forward while urging the compression spring (4). . At this time, since the casing (6) remains fixed, the flange piece (22) of the operation tube (20) and the flange piece (66) of the casing (6) are separated from each other.

Since the socket (S) has the above-mentioned structure, when it is completely connected to the plug (3), the movable cylinder (S ₁ ) advances and keeps pressing the washer (2), so that the connected state is Maintained. To remove this, the movable barrel (S ₁ ) may be retracted, but the catch washer ( ₂ ) may push up the movable barrel (S ₁ ) of the socket (S).

That is, in order to advance the washer (2) as described above, first, the operation tube (20) that is made to project forward at the time of connection.
Push the flange piece (22) of the back to its original position.

Then, the rear end of the operation tube (20) pushes the input ends (1b) and (1b), and the output ends (1a) and (1a) are retracted by retracting the input ends (1b) and (1b).
Is pushed forward, and together with the biasing force of the compression spring (4), the washer (2) pushes up the movable tube (S ₁ ) of the socket (S), and the socket (S) must be removed. It will be possible.

At this time, the washer (2) comes into contact with the stepped portion (25) of the operation tube (20), so that the washer (2) moves forward more than necessary and comes off the operation tube (20). There is no inconvenience.

In this way, the socket (S) can be removed by simply pressing the flange piece (22), so it can be used even when operation in a narrow range is required. It is smarter to handle than the S ₁ ) that can be manually retracted and removed, so it can also be used with regular plugs (3).

In addition, in the case of this embodiment, when the socket (S) is removed,
For easy removal, a flange piece (2
Although 2) is provided, the flange piece (22) is not necessarily provided because the front end of the operation cylinder (20) may protrude beyond the front end of the casing (6).

Although the release levers (1) and (1) have a substantially semi-circular shape,
The shape may be substantially arcuate along (3). Further, the release levers (1), (1) may be pivotally supported on the inner peripheral surface of the casing (6).

[Brief description of drawings]

FIG. 1 is an exploded cross-sectional view of an embodiment of the present invention, FIG. 2 is an explanatory view of a socket unconnected state, and FIG. 3 is an explanatory view of a socket connected state, in which (1), (1) ... Release lever (1a) …… output end, (1b) …… input end (20) …… control tube, (3) …… plug (6) …… casing (S) …… socket, (S ₁ ) …… Movable tube

Front page continuation (71) Applicant 999999999 Harman Co., Ltd. 1-52-1 Oka, Minami-shi Minato-ku, Osaka-shi, Osaka (71) Applicant 999999999 Tokyo Gas Co., Ltd. 1-5-20 Kaigan, Minato-ku, Tokyo (71) Applicant 999999999 Osaka Gas Co., Ltd. 4-1-2 Hiranocho, Chuo-ku, Osaka-shi, Osaka (71) Applicant 999999999 Toho Gas Co., Ltd. 19-18 Sakurada-cho, Atsuta-ku, Nagoya-shi, Aichi (72) Inventor Toshiyuki Katayama Fujii Gokin Seisakusho Co., Ltd. 1 at 18 Hanami Kamitaba, Minami-ku, Kyoto City, Kyoto Prefecture

Claims (1)

[Scope of utility model registration request] 1. A plug (3) for a gas pipe connector is housed in a tubular casing (6) which is open to the front, and is arranged on the outer periphery of the plug (3) at a concentric position with the socket (S). ) Is housed in the casing (6) so as to be retractable and retractable, and a pair of release levers (1), (1) for removing the socket (S).
The crossing center of the plug (3) or casing (6)
So that the plug (3) and the operating tube can be pivotally supported by
The release levers (1) and (1) are arranged in the gap between the input cylinders (20) and the operating cylinder (20) is brought into contact with one of the input ends (1b) of the release levers (1) and (1). Socket (S) on end (1a)
Is set so that the tips of the movable cylinders (S ₁ ) to be advanced at the time of connection are in contact with each other, and the release levers (1), (1) and the operation cylinder (20) are moved by the advance of the movable cylinders (S ₁ ). The operation tube (20)
The socket removing device in which the positions of the respective parts are set so that the front end of the casing protrudes by a constant stroke from the front end of the casing (6).