JP2019215036A - Socket detachment structure for gas cock - Google Patents

Abstract

To select a socket detachment operation from a plurality of motions, as regards a socket detachment structure for detaching a socket connected to a plug portion.SOLUTION: A case body (100) for housing a gas cock body (3), has a fixation plate (1) to be fixed to a wall surface or a floor surface together with the gas cock body (3), a fixation case (10) fixable to the fixation plate (1), and a movable case (2) to be movably attached to the fixation case (10). The movable case (2) has a socket protective cylinder (22) surrounding an outer periphery of a socket connected to a plug portion, a trunk portion protective cylinder (21) continuously provided to the socket protective cylinder via a step portion (23) and surrounding a trunk portion of the gas cock body (3), and a top face portion (20) covering its open end. The movable case (2) is moved with respect to the fixation case (10) by a pushing-in motion for pushing the top face portion (20) or a pulling motion for pulling the socket protective cylinder (22), and an advancing/retracting cylinder of the socket can be pressed in a retraction direction by an inner surface of the step portion (23).SELECTED DRAWING: Figure 4

Description

  The present invention relates to a gas plug socket removing structure for removing a socket connected to a plug portion of a gas plug installed on a wall surface or a floor surface.

2. Description of the Related Art Conventionally, a gas stopper having a plug portion for socket connection has a structure in which the valve opens when the socket is connected to the plug portion and closes when the socket is removed from the plug portion.
The general gas plug sockets disclosed in Patent Literatures 1 to 5 are provided with an advancing / retracting cylinder which moves in the axial direction in accordance with the attachment / detachment to the plug portion at the tip, and the socket is attached to the plug portion. When the connection is made, the lock mechanism provided in the socket is activated at the same time when the advance / retreat cylinder advances, and the mechanism is connected to the plug portion in a state that prevents the plug from coming off.
If the advancing / retracting cylinder in the advanced state is pushed in the retreating direction, the locked state by the lock mechanism is released, and the socket in the connected state can be removed from the plug portion.

  This type of gas stopper is housed in a case body, and a socket removal mechanism for removing a socket connected to a plug portion is mounted in the case body together with the gas stopper body. For example, by performing an operation such as pushing or pulling on the operation unit provided in the case body, the swing lever or the pressing unit or the like interlocking with the operation unit pushes the advance / retreat cylinder of the socket in the egress direction. Then, the locked state of the socket and the plug portion is released, and the socket can be removed from the plug portion.

Japanese Utility Model Publication No. 7-50632 JP 2018-44671 A Published Japanese Utility Model Application No. 1-89683 JP-A-57-49974 Japanese Utility Model Publication No. 54-132033

  However, in the conventional socket removing structure, the number of parts for configuring the socket removing mechanism is large, and accordingly, the cost is increased, and the structure is complicated and the assembly is troublesome. Further, the operating unit for interlocking the swinging lever, the pressing unit, and the like for pushing the advancing and retracting cylinder of the socket in the retreating direction can be operated only by one operation such as pushing or pulling. Therefore, it may be difficult to operate the operation unit depending on the mounting position and mounting posture of the gas stopper, and the arrangement relationship between the case body and surrounding equipment. When it is difficult to operate the operation unit, there is a problem that, in an emergency, the plugging operation of removing the socket and closing the gas plug cannot be performed quickly.

  The present invention has been made in view of the above problems, and in a gas plug socket removal structure for removing a socket connected to a plug portion of a gas plug, an operation of an operation unit for removing the socket from the plug portion, It is an object of the present invention to be able to select from a plurality of operations according to the installation state of a gas tap, the arrangement of peripheral equipment, and the like.

The solution of the present invention taken to solve the above problems is
In a detachable structure for removing a gas stopper socket provided at a tip thereof, an advance / retreat cylinder whose connection is released by being pushed out and pushed out when connected to a plug portion of a gas stopper,
A pipe body is provided at an upstream end of the gas flow path, and a case body for housing a gas stopper body provided with a plug part for socket connection at a downstream end is provided,
The case body includes a fixing plate having the gas plug main body fixed to a front surface and a rear surface attached to a wall surface or a floor surface, a fixing case fixable to the fixing plate, and a detaching direction of the socket with respect to the fixing case. A cylindrical movable case that is movably attached to and surrounds the plug portion and the body portion of the gas stopper body following the plug portion,
The movable case has an open end for socket insertion which is open and is capable of surrounding the outer periphery of the socket in a state of being connected to the plug portion. A body protection cylinder that is continuously provided in the axial direction and surrounds the body of the gas plug body, and a top surface part that covers a part or all of the open end of the body protection cylinder;
When the movable case is attached to the fixed case, the pressing portion presses the top surface portion in a socket removing direction, or the pulling operation of pulling the socket protection tube in a socket removing direction causes the movable portion to move among the step portions. The operation step portion protruding inside the case is set so as to be movable in a direction of pressing the advance / retreat cylinder of the socket connected to the plug portion in the retreat direction.

The above means operates as follows.
A fixing plate to which a gas plug main body in which a gas pipe is connected to a pipe connection portion is fixed to a wall surface or a floor surface with screws or the like. Then, a fixed case in which the movable case is movably mounted is mounted on the fixed plate. With this configuration, the case body is fixed to the wall surface or the floor surface in a state in which the gas stopper main body is housed, and the socket can be inserted from the open end of the socket protection cylinder and connected to the plug portion. At the same time as the connection, the advancing and retracting cylinder of the socket advances, but the operation step between the socket protection cylinder and the body protection cylinder is set so as to protrude inward at a position where the advancing and retracting cylinder in the advanced state cannot reach. ing.
Then, in order to remove the socket from the plug portion, the movable case is moved by pushing the top surface or pulling the socket protection tube in the direction of removing the socket. By performing either the pushing operation or the pulling operation, the movable case can be moved, and the advance / retreat cylinder of the socket can be pushed in the exit direction by the operation step portion. When the advancing / retracting cylinder is pushed out of the operation step portion, the connection state with the plug portion is released, and the socket can be removed from the plug portion.

In the above-described gas plug socket detaching structure, preferably, the gas plug main body has an L-shaped body in which a first body following the plug and a second body following the pipe connection are bent at a right angle. Has,
A frame plate fixed to the fixing plate, a surface plate connected to a front edge of the frame plate and having an opening through which the first and second trunks can be inserted; A surrounding cylinder open at both ends, protruding from the surface of the front plate, and movably surrounding the body protection cylinder of the movable case,
The top surface portion closes the entire open end of the body protection tube, and a compression spring is disposed between the top surface portion and the base end surface of the first body portion so as to bias the two in a direction away from each other. ,
Due to the urging force of the compression spring, the top surface portion is exposed from one open end of the envelope, and an outer step formed on the outside of the movable case among the steps is the other of the other ends of the envelope. It is configured to directly or indirectly contact the open end. "

The body case of the movable case is housed in the surrounding case of the fixed case, and the fixed case and the movable case are assembled. On the other hand, the fixed plate to which the gas stopper main body is fixed is fixed to a wall surface or a floor surface, and the frame plate portion of the fixed case in which the movable case is assembled is fixed to the fixed plate. Thereby, the first trunk portion following the plug portion of the gas stopper main body is provided at a predetermined location on the wall surface or the floor surface in a manner to be double-enclosed by the trunk protection tube of the movable case and the envelope of the fixed case. Fixed. Also, the top surface is urged in a direction to protrude from the one open end of the surrounding tube by a compression spring interposed between the base end surface of the first body and the top surface of the body protection tube. Since the outer step provided on the movable case directly or indirectly abuts on the other open end of the envelope, the movable case is held without protruding too much from the one open end of the envelope.
To remove the socket connected to the plug portion, a pushing operation of pushing the top surface of the movable case exposed at the one open end of the envelope into the envelope against the urging force of the compression spring. Or, by performing either one of a pulling operation of pulling the socket protection cylinder of the movable case, which is protruding from the other open end of the enclosure, in a direction of being pulled out from the enclosure, the operation step portion has a socket. The socket can be removed from the plug part by pushing the forward / backward cylinder.
When the pushing operation or the pulling operation is stopped, the movable case can be returned to the initial position with respect to the fixed case by the urging force of the compression spring.

In the gas plug socket removal structure, preferably, the `` when the outer step portion directly or indirectly abuts on the other open end of the envelope by the biasing force of the compression spring, It is set so as to be positioned at the same height as the one open end of the envelope. "
If the top surface protrudes from one of the open ends of the envelope, and if the top surface is pushed by an external impact such as an object, the movable case will move in the socket removal direction and carelessly The socket may come off. Therefore, if the top surface and the one open end of the envelope are positioned at substantially the same height, an external impact will be received by the one open end of the envelope. Is not inadvertently pushed. As a result, it is possible to prevent a problem that the socket is accidentally detached.

In the gas plug socket removal structure, preferably, the gas plug body has an I-shaped body portion where the pipe connection portion and the plug portion are coaxially located,
The fixing case has a frame plate portion fixed to the fixing plate, and a spring receiving portion projecting from a predetermined position on the surface of the frame plate portion,
The movable case is provided with a small-diameter tube portion smaller in diameter than the body protection tube and the socket protection tube between the body protection tube and the socket protection tube via first and second steps, respectively. And
The top surface portion of the movable case is provided in a shape having a notch that opens to the back side so that a pipe connection portion of the gas stopper body protrudes,
The inner surface of the first step provided between the socket protection cylinder and the small diameter cylinder functions as the operation step, and is provided between the small diameter cylinder and the body protection cylinder. An inner surface portion of the second step portion is provided so as to function as a stopper that comes into contact with the spring receiving portion from the plug portion side;
A compression spring that urges both in the direction away from each other is interposed between the top surface portion and the spring receiving portion. "

By fixing the fixing plate to which the gas stopper main body is fixed to the wall surface or floor surface and fixing the fixing case to the fixing plate, the spring receiving portion provided in the fixing case is also fixed. The movable case can be moved to the fixed case such that a compression spring is interposed between the spring receiving portion and the top surface portion of the movable case, and the second step portion is located closer to the plug side than the spring receiving portion. Attach to
The top surface of the movable case is urged by the compression spring in a direction away from the spring receiving portion of the fixed case. However, since the second step of the movable case contacts the spring receiving portion as a stopper, the movable case is It is attached to the frame plate part in a retaining state.
When the socket is inserted from the open end of the socket protection tube and connected to the plug portion, the advancing / retracting cylinder of the socket advances. The advancing / retracting cylinder in the advanced state is the first cylinder between the socket protection cylinder and the small-diameter cylindrical portion. The position is set so that it does not reach the step.
To remove the socket connected to the plug portion, a pulling operation of pulling the body protection tube or the socket protection tube of the movable case in the direction of removing the socket, or a pressing operation of pressing the top surface portion in the direction of removing the socket is performed. . Thus, the inner surface of the first step portion functions as the operation step portion, and the push-in / return tube of the socket can be pushed in and withdrawn, and the socket can be removed from the plug portion.

  As described above, with respect to the fixed case fixed to the wall surface or the floor surface together with the gas stopper main body, the pushing operation of pressing the top surface in the socket removing direction and the pulling of pulling the socket protection barrel or the trunk protection barrel in the socket removing direction. In either operation, the movable case is moved in the direction of removing the socket, so that the advance / retreat cylinder of the socket can be retracted. If it is difficult to push the top part due to the arrangement relationship of the surrounding equipment and the like, it is sufficient to pull the socket protection cylinder or the trunk part protection cylinder, and conversely, if it is difficult to perform the pulling operation, push the top part. , The movable case can be moved. In this way, the socket can be removed by moving the movable case by selecting from two types of operation according to the installation conditions and ease of operation of the gas plug, so that the usability is improved and the socket is used in an emergency. Can be quickly dealt with when it is necessary to remove it.

It is sectional drawing which shows the state which attached the gas plug main body and case body which were employ | adopted to the socket removal structure for gas plugs of 1st Embodiment of this invention to a wall surface. FIG. 3 is a rear perspective view showing a state in which a gas stopper main body employed in the gas stopper socket removing structure according to the first embodiment of the present invention is accommodated in a case body. FIG. 2 is a front perspective view showing a state in which a gas stopper main body employed in the gas stopper socket removing structure according to the first embodiment of the present invention is accommodated in a case body. FIG. 2 is a front perspective view showing a gas plug main body and a case body when the socket is removed, which is employed in the gas plug socket removing structure according to the first embodiment of the present invention. It is a front perspective view showing the state where the gas plug main body adopted to the socket removal structure for gas plugs of the second embodiment of the present invention was housed in the case body. FIG. 9 is a front perspective view showing a gas plug main body and a case body when the socket is removed, which is employed in the gas plug socket removing structure according to the second embodiment of the present invention. It is a rear perspective view showing the state where the gas plug main body adopted to the socket removal structure for gas plugs of the third embodiment of the present invention was housed in the case body. It is a front perspective view showing the state where the gas plug main body adopted to the socket removal structure for gas plugs of the third embodiment of the present invention was housed in the case body. It is a longitudinal section of the case body in the state where the gas plug main part adopted to the socket removal structure for gas plugs of a 3rd embodiment of the present invention was stored. It is a longitudinal section showing the situation when the socket of the case body which accommodated the gas plug main part adopted to the socket removal structure for gas plugs of the 3rd embodiment of the present invention is removed from the socket.

Hereinafter, the best mode for carrying out the present invention will be described with reference to the accompanying drawings.
As shown in FIG. 1, the gas plug of the first embodiment has a plug portion (31a) for connecting a socket at the downstream end, and a flexible pipe (not shown) connected to the upstream end via a joint. The first body part (30a) following the plug part (31a) and the second body part (30b) following the pipe connection part (31b) are bent at right angles. It adopts a gas stopper body (3) having a U-shaped body, a pipe connection part (31b) protrudes behind the hole (W0) provided on the wall (W), and a plug part (31a ) Is attached to the wall surface (W) while being accommodated in the case body (100) so that the) faces downward.

  A fixing plate (1) fixed to the case body (100) by being screwed to flange portions (32) protruding on both sides of the second body portion (30b) of the gas stopper body (3); It consists of a fixed case (10) fixed to the fixed plate (1) and a movable case (2) movably attached to the fixed case (10) downward, and the fixed plate (1) is fixed to the wall (W) The gas plug main body (3) is fixed to the wall surface (W) together with the case body (100) by fixing it around the hole (W0) by screwing.

  The fixing plate (1) is a plate-like body having a rectangular notch (1a) that opens upward as shown in FIG. 2, and the second body (30b) is inserted through the notch (1a). As shown by the two-dot chain line in FIG. 1, the surface of the bulge (1d) protruding to the front side in the approximate center area of the mounting pieces (1b) (1c) located on both sides of the notch (1a) The flange portion (32) of the plug body (3) is attached, and the mounting pieces (1b) (1c) and the flange portion (32) are screwed from the back side of the fixing plate (1) with screws (42). As a result, the gas connecting port (31b) protrudes from the back side of the fixing plate (1), and the plug portion (31a) protrudes below the notch (1a) on the front side of the fixing plate (1). The main body (3) is fixed to the fixing plate (1).

  The fixing plate (1) to which the gas stopper body (3) is fixed is connected to the hole (4) of the wall (W) through four screw insertion holes (110) provided above and below the screwing position by the screw (42). It is fixed around (W0) by screwing. Thereby, the gas stopper main body (3) is fixed to the wall surface (W) via the fixing plate (1).

  The fixed case (10) fixed to the fixed plate (1) includes a frame plate (11) into which the fixed plate (1) can be just fitted, and a plug ( 31a) and a surface plate (13) having an opening (13a) through which the first body portion (30a) can be inserted from the back side, and a cross section projecting from the surface of substantially the upper half of the surface plate (13) And a surrounding cylinder (12) having an arc shape and open at both upper and lower ends.

The movable case (2) is vertically movably accommodated in the surrounding tube (12), and has a cross-sectionally circular arc-shaped body protecting tube (30) surrounding the first body portion (30a) of the gas stopper body (3). 21) and a socket connected to the plug part (31a) and connected to the lower part of the body protection cylinder (21) via the step part (23), and is larger than the body protection cylinder (21). It is composed of a large-diameter socket protection cylinder (22) and a top surface (20) for closing the upper end of the trunk protection cylinder (21). In addition, as shown in FIGS. 3 and 4, at the center of the outer surface of the step portion (23) between the body protection tube (21) and the socket protection tube (22), the depth corresponds to the depth of the step portion. A convex portion (24) having a predetermined height is provided.
One end of a compression spring (40) is fixed to the inner surface of the top surface (20).

Next, a description will be given of an attachment structure for attaching the movable case (2) and the fixed case (10) to the fixed plate (1) in which the gas stopper body (3) is screwed in advance and fixed to the wall surface (W). .
Before attaching to the fixed plate (1), insert the torso protective tube (21) of the movable case (2) from below the surrounding tube (12) of the fixed case (10) in advance, and Assemble the movable case (2) together. The torso protection cylinder (21) of the movable case (2) is inserted into the enclosure (12) until the upper end of the projection (24) reaches the final insertion position where it contacts the lower end of the enclosure (12). Each dimension is set so that the upper end opening portion of the surrounding tube (12) and the top surface portion (20) are positioned flush with each other.

The assembled body of the fixed case (10) and the movable case (2) is fixed to the assembled body of the fixed plate (1) fixed to the wall surface (W) and the gas stopper body (3).
To this end, first, the assembled body of the fixed case (10) and the movable case (2) is obliquely opposed to the wall surface (W) and is opened to the surface plate (13) of the fixed case (10). The plug portion (31a) of the gas stopper body (3) is inserted into the opening portion (13a) from the tip thereof, and the plug portion is inserted from the lower open end (22a) of the socket protection tube (22) of the movable case (2). With the tip of (31a) protruding, in this state, the upper end of the frame plate (11) is brought close to the wall (W), and the assembly of the fixed case (10) and the movable case (2) is moved to the wall (W). And attached.
In this state, the base end surface (33) of the first body portion (30a) of the gas stopper body (3) and the inner surface of the top surface portion (20) face each other, and the compression spring (40) has a free length therebetween. It is a mode that is located.
From this state, the fixed case is compressed while compressing the compression spring (40) between the base end surface (33) of the first body portion (30a) of the gas stopper body (3) and the inner surface of the top surface portion (20). (10) is moved downward to accommodate the fixing plate (1) in the frame plate portion (11), and project downward from the top surface of the frame plate portion (11) as shown by the dotted line in FIG. At the same time, the projection (11a) provided is fitted into the through hole (19) provided on the bent end surface of the mounting piece (1b) (1c), and at the same time, a part of the lower surface of the fixing plate (1) is Attach it to the lower surface of 11) with screws.

In this mounting state, the fixed case (10) is fixed to the fixed plate (1) attached to the wall (W), and the trunk protection tube (21) is placed in the surrounding tube (12) of the fixed case (10). The movable case (2) is installed movably up and down so that is positioned.
The torso protection cylinder (21) is pushed upward by the urging force of the compression spring (40) in the enclosure (12), and the upper end of the projection (24) is closed at the upper end of the enclosure ( The movable case (2) is lifted up until it comes into contact with the lower end of (12). In this state, as described above, the convex portion (24), the surrounding tube (12), and the outer surface of the socket protective tube (22) are set to be flush with each other, and the top surface portion (20) is , Which is flush with the open end of the upper end of the surrounding tube (12).

According to the above procedure, the gas plug main body (3) is mounted on the wall (W) with the gas plug main body (3) housed in the case body (100). As shown by the two-dot chain line, the socket (4) is connected and used.
When the socket (4) is connected to the plug portion (31a), the locking mechanism operates at the same time as the advance / retreat cylinder (41) provided at the distal end advances, and the socket (4) is prevented from falling out of the plug portion (31a). Locked to. Then, when the advancing and retracting cylinder (41) in the advancing state is pushed in the retreating direction, the locked state of the lock mechanism is released, and the socket (4) can be removed from the plug portion (31a).
As described above, together with the gas stopper body (3), the socket (4) is removed from the lower open end (22a) of the socket protection tube (22) of the case body (100) in a state attached to the wall (W). When the plug is inserted and connected to the plug portion (31a), the advance / retreat barrel (41) advances upward. At this time, the tip of the advance / retreat barrel (41) in the advanced state is connected to the socket protection barrel (22) and the body part. It is set so that it does not reach the inner surface of the step portion (23) between the protection tube (21).

  To remove the socket (4) from the plug part (31a), the reciprocating cylinder (41) may be pushed downward.To this end, a pushing operation of pressing the top surface part (20) downward or a socket protecting cylinder (22) is pulled downward. By either operation, as shown in FIG. 4, the movable case (2) moves downward against the fixed case (10) against the urging force of the compression spring (40), and accordingly, On the inner surface of the step (23), the advance / retreat cylinder (41) of the socket (4) is pushed in the exit direction. As a result, the locking mechanism of the socket (4) with respect to the plug (31a) is released, and the socket (4) can be removed from the plug (31a). The inner surface of the step portion (23) functions as an operation step portion as an invention specifying item.

  That is, depending on the mounting position and mounting posture of the gas stopper main body (3), and the positional relationship between the case body (100) and the surrounding equipment, etc., a pushing operation of pressing the top surface portion (20) downward, or a socket protection cylinder may be performed. Since either one of the pulling operation of pulling the (22) downward can be selected, not only the usability is improved, but also it is possible to promptly respond when the socket (4) must be removed in an emergency.

After the socket (4) is removed, if the hand is released from the top surface (20) or the socket protection tube (22), the movable case (2) is lifted by the urging force of the compression spring (40), and the convex portion ( The upper end of 24) abuts on the lower end of envelope 12 and the top surface 20 returns to the initial state where it is flush with the open end of envelope 12.
In the initial state, since the top surface (20) does not protrude from the upper opening of the envelope (12), an external impact such as an object hitting is received by the upper opening of the envelope (12). There is no inconvenience that the socket (4) connected to the plug (31a) is inadvertently disengaged by accidentally pushing the top surface (20).

  In the first embodiment, the projection (24) is provided in contact with the lower end of the envelope (12) in the initial state. However, the second embodiment shown in FIGS. Like the case body (100) in the form, the outer surface of the step (23) at the upper end of the socket protection tube (22) is directly in contact with the lower end of the enclosing tube (12) without providing the projection (24). It is good also as a structure to make it.

The third embodiment shown in FIGS. 7 to 10 is a gas plug body having an I-shaped body in which a lower plug portion (31a) and an upper pipe connection portion (31b) are coaxially located. 3) a case body (100) including a fixed plate (1), a fixed case (10) and a movable case (2) having a shape different from those of the first and second embodiments is mounted. .
As shown in FIG. 7, the fixed plate (1) of this embodiment is a single substantially rectangular plate-like body provided with a raised portion (1d) projecting laterally to the front side at the center in the vertical direction. By screwing the raised portion (1d) to a flange (not shown) provided on the gas plug main body (3), the gas plug main body (3) and the fixing plate (1) are integrated. .

  A fixed case (10) fixed to the fixed plate (1) has a frame plate portion (11) in which the fixed plate (1) can be just fitted and a notch (16) is formed on an upper side, and a frame plate portion (10). A table having an opening (13a) through which the body and the plug (31a) of the gas stopper body (3) connected to the front side of (11) and continuous below the pipe connection part (31b) can be inserted from the back side. A face plate (13), and a guide tube portion (14) surrounding the body near the pipe connection portion (31b) of the gas plug body (3) and having an arc-shaped cross section protruding from the surface plate (13) to the front side. And a pair of spring receiving portions (15) protruding at predetermined positions on both sides of the front surface of the front plate (13) (see FIGS. 7 to 10).

  The movable case (2) is an arc-shaped body having a transverse cross section that is open to the back side, and surrounds a body portion of the gas stopper body (3) that is continuous below the pipe connection part (31b). (21) and a socket protection tube (22) surrounding the socket (4) to be connected to the plug portion (31a), and between them via upper and lower steps (27) and (28), respectively. A small-diameter cylindrical portion (25) smaller in diameter than the body protection tube (21) and the socket protection tube (22) is interposed. The lower section (28) functions as a first step section as the invention specifying matter, and the upper section (27) functions as a second step section.

The top surface portion (20) provided at the upper end of the trunk protection tube (21) is formed in a substantially rectangular shape in which an open portion (20a) for projecting the pipe connection portion (31b) is opened to the back side and extends to both sides. A support portion (29) having an uneven surface formed on the outer surface thereof protrudes from both sides of the body protection cylinder (21) so as to be connected to both sides of the top surface (20). ing.
A space (S) is provided on the inner surface of the support portion (29), and the lower surface of the support portion (29) is set at the same height as the upper step portion (27).

To assemble the case body (100) of the third embodiment together with the gas stopper main body (3), first, the fixing plate (1) fixed to the gas stopper main body (3) is inserted with four screws. It is fixed to the wall surface (W) using the hole (110).
On the other hand, the movable case (2) and the fixed case (10) are assembled, but at this time, the inner surface of the lower surface of the support portion (29) of the movable case (2), which is continuous with the inner surface of the upper portion (27), The lower surface of the spring receiving portion (15) protruding from the surface plate (13) of the fixed case (10) is brought into contact with the lower surface of the spring receiving portion (15) and the lower surface of the top surface portion (20). A compression spring (44) is interposed in (S).
With the urging force of the compression spring (44), the top surface (20) is lifted up until the inner surface of the lower surface of the support portion (29) comes into contact with the lower surface of the spring receiving portion (15). ) And the fixed case (10) are integrally connected.
The inner surface of the lower surface of the support portion (29) functions as a stopper as a matter specifying the invention.

The assembled body of the movable case (2) and the fixed case (10) is mounted on the body of the gas stopper body (3) fixed to the fixed plate (1).
For this, the gas stopper body (14) is inserted into the guide cylinder (14) through the notch (16) of the frame plate (11) of the fixed case (10) and the opening (13a) of the surface plate (13). The body part of 3) is accommodated, and in this state, the frame plate part (11) is fitted around the fixing plate (1), and is fixed by screwing on the lower surface.
Thereby, the body of the gas stopper body (3) having the I-shaped body is housed in the guide tube (14) of the fixed case (10), and the body protection tube (21) of the movable case (2) is stored. ), And the case body (100) is fixed to the wall surface (W) in a state where the plug portion (31a) is surrounded by the socket protection tube (22) of the movable case (2).
As shown in FIG. 9, when the socket (4) is connected to the plug portion (31a) of the gas stopper body (3), the reciprocating cylinder (41) provided at the distal end portion advances, but in the advanced state. The lower part (28) of the movable case (2) is set above a certain forward / backward cylinder (41).

Then, to remove the socket (4) from the plug portion (31a), a pushing operation of pressing the above-described substantially rectangular top surface portion (20) downward, or supporting the uneven surface of the support portion (29), A pulling operation is performed to pull the movable case (2) downward. In either case, as shown in FIG. 10, the movable case is moved with respect to the fixed case (10) while compressing the compression spring (44) between the spring receiving portion (15) and the top surface (20). (2) moves downward, and accordingly, on the inner surface of the lower portion (28), the advance / retreat cylinder (41) of the socket (4) is pushed in the exit direction, and the socket (4) is removed from the plug portion (31a). I can do it. In the third embodiment, the inner surface of the lower portion (28) functions as an operation step as an invention specifying item.
Then, after the socket (4) is removed, if the hand is released from the top surface (20) or the support (29), the movable case (2) is lifted by the urging force of the compression spring (44), and the support The lower surface of (29) can be returned to the initial state in which it contacts the lower end of the spring receiving portion (15).

  In this embodiment, when the movable case (2) is moved downward, the edge of the open portion (20a) of the top surface (20) is along the guide cylinder (14), and the small-diameter cylinder (25) is Since it moves along the body of the gas stopper body (3), the movable case (2) can be moved straight downward with respect to the fixed case (10), and the inner surface of the lower step (28) is surely Thus, the advance / retreat cylinder (41) of the socket (4) can be pushed in the exit direction.

In addition, as shown by the dashed line in FIG. 1, in order to prevent foreign matter such as dust and dirt from entering the socket protection cylinder (22) when the gas stopper is not used, open the socket protection cylinder (22). A lid (43) whose end can be opened and closed may be provided.
In each of the above embodiments, the case body (100) is provided on the wall surface (W), but may be provided on the floor surface.

(100) ・ ・ ・ ・ ・ ・ ・ ・ Case body
(1) ・ ・ ・ ・ ・ ・ ・ ・ ・ Fixed plate
(10) ・ ・ ・ ・ ・ ・ ・ ・ ・ Fixed case
(2) ・ ・ ・ ・ ・ ・ ・ ・ ・ Movable case
(20) ・ ・ ・ ・ ・ ・ ・ ・ ・ Top surface
(21) ・ ・ ・ ・ ・ ・ ・ ・ ・ Body protection tube
(22) ・ ・ ・ ・ ・ ・ ・ ・ ・ Socket protection tube
(22a) ・ ・ ・ ・ ・ ・ ・ ・ Open end
(23) ・ ・ ・ ・ ・ ・ ・ ・ ・ Step
(3) ・ ・ ・ ・ ・ ・ ・ ・ ・ Gas stopper body
(31a) ・ ・ ・ ・ ・ ・ ・ ・ Plug part
(31b) ・ ・ ・ ・ ・ ・ ・ ・ Piping connection
(4) ・ ・ ・ ・ ・ ・ ・ ・ ・ Socket
(41) ・ ・ ・ ・ ・ ・ ・ ・ ・

The solution of the present invention taken to solve the above problems is
In the detaching structure for removing the gas stopper socket provided at the tip of the reciprocating cylinder, which is advanced when pushed to the plug portion and advanced when pushed and withdrawn, the connection is released.
Piping connection portion to the upstream end of the gas flow path, a case body in which the plug part of the socket connected to the downstream end to accommodate the gas valve body which is provided is provided,
The case body includes a fixing plate having the gas plug main body fixed to a front surface and a rear surface attached to a wall surface or a floor surface, a fixing case fixable to the fixing plate, and a detaching direction of the socket with respect to the fixing case. A cylindrical movable case that is movably attached to and surrounds the plug portion and the body portion of the gas stopper body following the plug portion,
The movable case has an open end for socket insertion which is open and is capable of surrounding the outer periphery of the socket in a state of being connected to the plug portion. A body protection cylinder that is continuously provided in the axial direction and surrounds the body of the gas plug body, and a top surface part that partially or entirely covers one end in the axial direction of the body protection cylinder,
The movable case, in a state where the movable case is attached to the fixed case, selects one of a pushing operation of pressing the top surface portion in a socket removing direction and a pulling operation of pulling the socket protection tube in a socket removing direction. Thereby, the operation step portion of the step portion that protrudes inside the movable case is set so as to be movable in a direction of pressing the advance / retreat cylinder of the socket connected to the plug portion in the retreat direction. And

The above means operates as follows.
A fixing plate to which a gas plug main body in which a gas pipe is connected to a pipe connection portion is fixed to a wall surface or a floor surface with screws or the like. Then, a fixed case in which the movable case is movably mounted is mounted on the fixed plate. With this configuration, the case body is fixed to the wall surface or the floor surface in a state in which the gas stopper main body is housed, and the socket can be inserted from the open end of the socket protection cylinder and connected to the plug portion. At the same time as the connection, the advancing and retracting cylinder of the socket advances, but the operation step between the socket protection cylinder and the body protection cylinder is set so as to protrude inward at a position where the advancing and retracting cylinder in the advanced state cannot reach. ing.
In order to remove the socket from the plug portion, the movable case is moved by selecting one of the operations of pushing the top surface and pulling the socket protection tube in the direction of removing the socket. By selecting and executing either the pushing operation or the pulling operation, the movable case can be moved, and the advancing and retreating cylinder of the socket can be pushed in the retreating direction by the operation step portion. When the advancing / retracting cylinder is pushed out of the operation step portion, the connection state with the plug portion is released, and the socket can be removed from the plug portion.

In the above-described socket removal structure for a gas stopper, preferably,
The gas stopper main body has the plug part, the pipe connection part, and an L-shaped body part in which a first body part following the plug part and a second body part following the pipe connection part are bent at a right angle. And
A frame plate fixed to the fixing plate, a surface plate connected to a front edge of the frame plate and having an opening through which the first and second trunks can be inserted; A surrounding cylinder open at both ends, protruding from the surface of the front plate, and movably surrounding the body protection cylinder of the movable case,
A compression spring is disposed between the top surface portion and the base end surface of the first body portion so as to bias the two in a direction away from each other,
Due to the urging force of the compression spring, the top surface portion is pushed in a direction to be exposed from one open end of the envelope, and the outer step formed on the outside of the movable case among the steps is the envelope tube. When directly or indirectly abutting on the other open end of the enclosure, the top surface is set to be at the same height as the one open end of the envelope .

Note that when the outer step portion abuts on the other open end of the envelope directly or indirectly by the biasing force of the compression spring, the top surface is the same as the one open end of the envelope. It is set to be located at the height.
If the top surface protrudes from one of the open ends of the envelope, and if the top surface is pushed by an external impact such as an object, the movable case will move in the socket removal direction and carelessly The socket may come off. Therefore, if the top surface and the one open end of the envelope are positioned at substantially the same height, an external impact will be received by the one open end of the envelope. Is not inadvertently pushed. As a result, it is possible to prevent a problem that the socket is accidentally detached.

Hereinafter, the best mode for carrying out the present invention will be described with reference to the accompanying drawings.
As shown in FIG. 1, the gas plug of the first embodiment has a plug portion (31a) for socket connection and a pipe connection portion (31b) to which a flexible pipe (not shown) is connected via a joint. ), A first body part (30a) continuing upstream of the plug part (31a), and a second body part (30b) continuing downstream of the pipe connection part (31b). The pipe connection part (31b) protrudes behind the hole (W0) provided on the wall surface (W), and the plug part (31a) extends downward on the front side. It is attached to the wall surface (W) while being accommodated in the case body (100) so as to face.

Claims (4)

In a detachable structure for removing a gas stopper socket provided at a tip thereof, an advance / retreat cylinder whose connection is released by being pushed out and pushed out when connected to a plug portion of a gas stopper,
A pipe body is provided at an upstream end of the gas flow path, and a case body for housing a gas stopper body provided with a plug part for socket connection at a downstream end is provided,
The case body includes a fixing plate having the gas plug main body fixed to a front surface and a rear surface attached to a wall surface or a floor surface, a fixing case fixable to the fixing plate, and a detaching direction of the socket with respect to the fixing case. A cylindrical movable case that is movably attached to and surrounds the plug portion and the body portion of the gas stopper body following the plug portion,
The movable case has an open end for socket insertion which is open and is capable of surrounding the outer periphery of the socket in a state of being connected to the plug portion. A body protection cylinder that is continuously provided in the axial direction and surrounds the body of the gas plug body, and a top surface part that covers a part or all of the open end of the body protection cylinder;
When the movable case is attached to the fixed case, the pressing portion presses the top surface portion in a socket removing direction, or the pulling operation of pulling the socket protection tube in a socket removing direction causes the movable portion to move among the step portions. A gas plug socket removing structure, wherein an operation step portion projecting inside the case is set so as to be movable in a direction of pressing an advancing and retracting cylinder of the socket connected to the plug portion in a retreating direction. . 2. The gas plug socket removing structure according to claim 1, wherein the gas plug main body has an L-shaped body in which a first body part following the plug part and a second body part following the pipe connection part are bent at a right angle. Part
A frame plate fixed to the fixing plate, a surface plate connected to a front edge of the frame plate and having an opening through which the first and second trunks can be inserted; A surrounding cylinder open at both ends, protruding from the surface of the front plate, and movably surrounding the body protection cylinder of the movable case,
The top surface portion closes the entire open end of the body protection tube, and a compression spring is disposed between the top surface portion and the base end surface of the first body portion so as to bias the two in a direction away from each other. ,
Due to the urging force of the compression spring, the top surface portion is exposed from one open end of the envelope, and an outer step formed on the outside of the movable case among the steps is the other of the other ends of the envelope. A gas plug socket removal structure configured to directly or indirectly contact the open end.   3. The gas plug socket removing structure according to claim 2, wherein the outer surface is directly or indirectly abutted on the other open end of the enclosure by the biasing force of the compression spring. 4. Is a gas stopper socket removal structure set to be at the same height as the one open end of the envelope. The gas plug socket removing structure according to claim 1, wherein the gas plug body has an I-shaped body in which the pipe connection portion and the plug portion are coaxially located,
The fixing case has a frame plate portion fixed to the fixing plate, and a spring receiving portion projecting from a predetermined position on the surface of the frame plate portion,
The movable case is provided with a small-diameter tube portion smaller in diameter than the body protection tube and the socket protection tube between the body protection tube and the socket protection tube via first and second steps, respectively. And
The top surface portion of the movable case is provided in a shape having a notch that opens to the back side so that a pipe connection portion of the gas stopper body protrudes,
The inner surface of the first step provided between the socket protection cylinder and the small diameter cylinder functions as the operation step, and is provided between the small diameter cylinder and the body protection cylinder. An inner surface portion of the second step portion is provided so as to function as a stopper that comes into contact with the spring receiving portion from the plug portion side;
A gas plug socket removing structure in which a compression spring that urges both in a direction away from each other is interposed between the top surface portion and the spring receiving portion.

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