JP2003042323A - Socket removing mechanism and embedded gas plug - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate the work for fitting an operation part 6 and the work for adjusting the projection length in a socket removing mechanism formed of a support shaft 11 to be fitted on a base end part of a plug part 21 of a gas plug main body 2 in the condition that the support shaft can not turn, a rock lever 12 rocking around the support shaft and provided with pushing pieces 12a and 12b for pushing a tip surface of a socket in a releasing direction and the operation part 6 continuously provided to the other end of the rock lever to operate the rock lever 12. SOLUTION: The gas plug main body 2 is integrally provided with a fixed plate 4, and the operation part 6 is formed of a shaft body 63 locked with the fixed plate 4 through the rock lever 12 to prevent a fall thereof, a male screw cylinder part 64 fitted on the shaft body freely to move forward and backward, preventing a fall thereof, and provided with an energizing means 66 for pushing the rock lever 4 toward the fixed plate 4 side, and a cap part 65 provided with a female screw cylinder part to be screwed onto the male screw cylinder part.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gas plug which is buried in a wall surface or a floor surface, and more particularly, to a socket removing mechanism for releasing a socket connected to a plug portion and a buried gas equipped with the mechanism. It is about the stopper.

[0002]

2. Description of the Related Art As a buried type gas plug, for example, a wall type buried plug shown in FIG. 7 is known.
This is a rectangular box-shaped casing (1) embedded and fixed in a wall plate (5), a gas stopper body (2) provided in the casing (1), and the casing (1). Also, a socket insertion opening (10) that allows the socket (3) to be attached to and detached from the gas stopper body (2), and a socket for releasing the socket (3) attached to the gas stopper body (2). With the removal mechanism (30),
The wall plate is provided with a lid that opens and closes the opening (10).
(5) is attached to the decorative plate (50), the socket removing mechanism (30), the support protrusion (31) provided at a predetermined position in the casing (1) The lever member (32) is provided so as to be swingable, and the operating portion (33) is provided at one end (32a) of the lever member (32).

When the socket (3) is inserted into the plug part (20) and locked, at the same time, the lever member
Output part (32b) provided near the other end of (32) is socket (3)
Is pushed inward by the tip of the
a) swings toward the opening (10) side, so that the operating section (33) projects toward you. From this state, the operation part
When the (33) is pushed in, the one end (32a) of the lever member (32) is pushed inward, whereby the lever member (32) swings again,
The output part (32b) of the lever member (32) presses the advancing / retreating cylinder (3a) at the tip of the socket (3). This allows the socket
The lock mechanism of (3) with respect to the gas plug body (2) is released, and the socket (3) is removed from the plug part (20).

As shown in FIG. 8, the operating section (33) has a head (3
4) A shaft body (35) equipped with an elevating cylinder (36) externally fitted so that it can be moved up and down.Biasing force is exerted between the head (34) and the elevating cylinder (36). The weak compression spring (37) is disposed so as to be fitted onto the shaft portion of the shaft body (35). As a result, the elevating cylinder (36) is urged downward (to the right in the drawing) with respect to the shaft (35). Further, a cap portion (38) is externally screw-fitted from the head portion (34) side to the open end of the elevating cylinder (36).

The shaft body (35) has a header portion (for supplying gas to the gas plug body (2) through a slit (S) formed at one end (32a) of the lever member (32). It is fixed by screwing it to 39).

This conventional type socket removing mechanism (30)
Then, one end of the lever member (32) is constantly pressed to the header portion (39) side by the lifting cylinder (36) lowered by the urging force of the compression spring (37), and the other end is ,
It is set so as to be located near the tip of the plug portion (20) of the gas stopper body (2). Therefore, insert the socket (3) into the opening (1
When inserted into (0), the other end is pressed inward, and the lever member (32) swings so that the operating portion (33) projects forward. Then, if the projecting operation portion (33) is pushed inward, the lock mechanism of the socket (3) can be released, as described above. As described above, in the socket release mechanism (30) provided with the conventional operation part (33), the socket (3) can be removed with one touch, which is convenient and the operation part (33) has the gas stopper body ( Since it is attached to the header part (39) continuous with 2), the size of the entire buried gas plug can be reduced.

[0007]

However, in this conventional buried type gas plug socket removal mechanism (30), when the operating portion (33) is mounted, the shaft body (35) is twisted to the header portion (39). Since it has to be inserted, there is a problem that the installation work is difficult.

Further, when the gas plug is newly accommodated in the existing casing which is previously buried in the wall surface or the like, depending on the depth of the casing, the projecting distance of the operation portion (33) when the socket is not mounted is insufficient, Since the cap part (38) of the operation part (33) has to be located at a position deeper than the opening of the casing, there is a problem that the usability is poor. In such a case, by loosening the screwing degree of the cap portion (38) with respect to the elevating cylinder (36), the cap portion (38)
Can be advanced to the elevating cylinder (36), and by doing so, the protruding length of the operating portion (33) can be somewhat extended. However, in the structure of the conventional operation part (33), when the cap part (38) and the elevating cylinder (36) are loosened, the cap part (38) and the elevating cylinder (36) rotate together. As a result, it is difficult to rotate only the cap portion (38) with respect to the elevating cylinder (36).

A first aspect of the present invention is a "socket removing mechanism for removing a socket connected to a plug portion of a gas stopper body, which is externally fitted and attached to a base end portion of the plug portion in a non-rotating state. A supporting shaft; and a rocking lever having a pressing piece that rocks around the supporting shaft as a fulcrum and presses the tip end surface of the socket in a mounted state in a releasing direction,
In a socket removing mechanism which is connected to the end opposite to the pressing piece via the support shaft and includes an operating portion for operating the swing of the swing lever, the work of attaching the operating portion is facilitated. It is an object of the present invention to make it possible and to easily adjust the protruding length of the operation portion.

[0010]

[Means for Solving the Problems] According to the means of the invention of claim 1 for solving the above-mentioned problems, "a fixing plate is integrally provided in the gas stopper body, and the operating portion is provided on the fixing plate. A shaft body that is locked in a retaining state via a swing lever, and a shaft body that is externally fitted to the shaft body in a rotation-stop state and is capable of advancing and retracting, and urges the swing lever toward the fixed plate. It is composed of a male screw cylinder part provided with a biasing means and a cap part having a female screw cylinder part that is externally fitted and screwed into the male screw cylinder part ”.

According to the above means, the swing lever has a structure in which both ends are alternately swung in the advancing and retracting directions with the support shaft as a fulcrum, and the operating portion for operating this swing is the gas stopper body. It is attached to the fixed plate provided in the above by simply locking the shaft body through one end of the swing lever. In this mounted state, the swing lever is located between the male screw cylinder portion provided on the shaft body and the fixed plate, and in the socket non-mounted state, the one end of the swing lever is the biasing member. It is urged toward the fixed plate by the male screw cylinder provided with the means. At this time, the pressing piece located on the opposite side is advanced to the front side. By mounting the socket, the pressing piece is pushed inward, the swing lever swings against the biasing force of the biasing means, and the male screw cylinder is pushed up by the one end. Become. At this time, the positions of the fixing plate and the locking end of the shaft body locked to the fixing plate are fixed, but since the shaft body is movable back and forth with respect to the male screw cylinder portion, By pushing the male screw cylinder portion by the swing lever, the male screw cylinder portion advances with respect to the shaft body, and the cap portion projects toward the front side by the amount of the advance. Further, since the cap portion is screwed into the male screw cylinder portion by the female screw cylinder portion provided therein, the length of the cap portion projected from the male screw cylinder portion depends on the screwing degree of the female screw cylinder portion. Can be changed. At this time, since the male screw cylinder is externally fitted to the shaft body in a non-rotating state, when loosening the female screw cylinder of the cap portion with respect to the male screw cylinder, the male screw cylinder is Does not rotate with the cap portion.

* 2 In the paragraph 1, "the rocking lever includes a pair of the pressing pieces arranged on both sides of the plug section at right angles to the axis of the plug section, and these pressing pieces are connected to the gas. It is composed of a connecting piece to be connected to the side of the stopper body, and the supporting shaft is arranged so as to be located at a boundary portion between the pressing piece and the connecting piece, and the shaft is provided at one end of the shaft body. An engaging portion having a diameter larger than that of the portion is formed, and an elongated hole through which the engaging portion can penetrate is formed in the connecting piece, and a predetermined position of the fixing plate corresponding to the elongated hole is formed. The slit portion having a width substantially corresponding to the diameter of the shaft portion is formed so as to open outwards. ”In the rocking piece, a pair of pressing pieces and one connecting piece for connecting the pressing pieces are substantially Y It is configured in a letter shape, and a swing fulcrum is provided at the boundary between these. . The shaft body, after penetrating through the elongated hole formed in the connecting piece, is fitted into the slit portion provided in the fixing plate from the outer open end, so that the shaft portion is engaged with the slit portion in a retaining state. Will be done.

* 3 In the item 2 above, "a head having a diameter larger than that of the shaft portion is formed at the other end of the shaft, and the urging means includes the head and the male member. A coil spring provided between the threaded tube portion and the elongated hole, the width of which is set smaller than the outer diameter of the bottom of the male threaded tube portion, and the bottom of the male threaded tube portion facing each other. A pair of engaging projections that can be fitted into the elongated holes are provided at the respective positions where the male screw cylinder portion is urged toward the fixing plate by the urging force of the coil spring, By fitting the engaging protrusion provided on the bottom portion into the elongated hole formed in the swing lever, rotation in the circumferential direction is blocked.

* 4 The present invention relates to a "casing having an opening embedded in a wall or a floor and into which a socket is inserted, and a plug portion connected to the socket housed in the casing and inserted into the opening. A gas stopper body having a gas stopper body and a socket removing mechanism for removing the mounted socket.
Means of the second invention taken to solve the same problem as the above-mentioned problem is that "the socket removing mechanism is a support shaft externally fitted to the base end of the plug part in a non-rotating state, A swing lever provided at one end of the swing lever for swinging the support shaft as a fulcrum and pushing the tip of the forward / backward moving cylinder of the socket in the mounted state in the releasing direction, and at the other end of the swing lever. And an operating portion for operating the swing of the swing lever, wherein the operating portion is fixed to a fixing plate provided along the bottom surface of the casing via the swing lever to prevent the swing lever from coming off. The shaft body to be locked is fixed to the shaft body in a non-rotating state by being fitted on the shaft body and engaging with the rocking lever, and the rocking lever is moved to the fixing plate side. A male screw cylinder portion having a biasing means for biasing, Is the is composed of a cap portion having a female threaded portion cylindrical portion screwed to the male screw cylinder portion "it with the open portion side of the casing is fitted on the shaft body.

In this case, it is possible to provide a buried gas stopper in which a gas stopper having the above-mentioned socket removing mechanism is housed in a casing buried in a wall surface or a floor surface. The same action will occur.

* 5 In the above item 4, "the fixing plate is fixedly attached to the rear surface of the gas stopper main body, and the protruding piece protrudes from the fixing plate to the open side of the casing and the protruding piece. A decorative plate that closes the opening is screwed to the tip of the
The decorative plate is provided with a window portion through which the connection end of the plug portion and the cap portion are exposed, and a lid that opens and closes these window portions. ” By fixing to the projecting piece, the opening of the casing is closed, and by opening the lid, the plug part and the cap part of the operating part are exposed from the window provided on the decorative plate. Will be done. Since the operating portion has the above-described configuration, the shaft body is not fixed to the fixed plate and the swing lever, and therefore can swing around the locking portion with the fixed plate. Therefore,
Even when the position of the window portion of the decorative plate is slightly deviated from the protruding position of the cap portion when the decorative plate is attached to the wall or the floor, the shaft portion is swung to move the cap. The position of the portion can be adjusted to match the opening position of the window portion.

[0017]

According to the present invention, since the operating portion can be attached only by locking the shaft body of the operating portion without screwing it, the socket removing mechanism for easy attachment of the operating portion, and It is possible to provide a buried gas stopper having the same. As a result, workability at the time of mounting the socket removal mechanism or the buried gas stopper is improved.

Further, since it is possible to adjust the screwing degree by rotating only the cap portion with respect to the male screw cylinder portion mounted in the rotation preventing state, so as to fit the existing casing, When the protrusion length of the operation portion is desired to be adjusted, the adjustment work becomes easy.

Further, since the operating portion can swing around the locking portion, the protruding position is adjusted in accordance with the opening length of the window provided on the decorative plate in addition to the protruding length of the operating portion. be able to.

[0020]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below.
It will be described with reference to the drawings. As shown in FIG. 1, the buried gas stopper of this embodiment has a casing embedded in a wall through a rectangular opening (51) provided in a wall plate (5) on the indoor side of the wall.
(1) and the gas plug body housed and fixed in this casing (1)
(2) is provided.

As shown in FIGS. 1 and 2, the casing (1) includes a rectangular frame plate (1a) having a size that can be accommodated in the opening (51) of the wall plate (5), and this frame plate. A flange piece (1b) extended from the indoor side peripheral edge of (1a) toward the inside of the casing (1),
From the bottom plate (1c), it is configured in the shape of a box having an opening (10) opening to the indoor side, the frame plate (1a) at a predetermined position, the casing (1) is accommodated in the An opening for projecting the pipe connection part (25) of the gas stopper body (2) is formed.

The gas plug body (2) housed in the casing (1) has a cylindrical plug portion (21) to which a socket (3) as shown in FIG. 3 is connected, and the plug portion (21). ) Consisting of a cylindrical base portion (22) continuous to the base end portion and having a larger diameter than the plug portion (21), and a tubular portion (23) connected so as to be perpendicular to this axis, Plug part (21) and base part (22)
Has a plug body which is opened and closed by attaching and detaching the socket (3).

Then, at the base end of the body of the base (22),
An annular groove (24) is provided in the circumferential direction. The main body (11c) of the support shaft (11) described later is housed in the annular groove (24).

A fixing plate (4) is provided on the back surface of the gas stopper body (2).
Is attached and fixed. A plurality of protruding pieces (4a) (4b) (4c) are projected to the indoor side from a predetermined position of the peripheral edge of the fixing plate (4), and the most protruding protruding piece (4a) is the casing.
Position it in front of the flange piece (1b) of (1),
It is screwed to the flange piece (1b). As a result, the gas plug body (2) becomes stable in the casing (1).

Further, screw holes are formed in the other protruding pieces (4b), (4c). The gas plug body (2) is equipped with a socket removing mechanism for unlocking and removing the socket (3) mounted on the plug part (21). The socket removal mechanism will be described below.

As shown in FIG. 2, the socket removing mechanism according to this embodiment has a substantially C-shaped main body portion (11) fitted in the annular groove (24) and fixed in a rotation preventing state.
c) and a pair of shaft portions (11a) and (11b) extending from both ends outwardly in a straight line.
1), a pair of pressing pieces (12a) (12b) and these pressing pieces (12a) (12
b) is composed of a connecting piece (12c) that connects one end of the shaft portion and the shaft portion near the proximal end portion of the pressing pieces (12a) (12b).
(11a) (11b) is attached to the fixed plate (4) via a rocking lever (12) made of a metal plate rotatably mounted and a connecting piece (12c) of the rocking lever (12). It is composed of an operation portion (6) which is connected in a retaining state and operates the swing of the swing lever (12).

The swing lever (12) is a shaft portion of the support shaft (11).
(11a) and (11b) can be freely swung in the depth direction of the casing (1) with the swing fulcrum as shown in FIG. 3, and the socket (3) can be attached to the plug (21) as shown in FIG. Thereby, the rocking lever (12) rocks, and the pushing pieces (12a) (12b) are pushed inward by the forward / backward moving cylinder (3a) at the tip of the socket (3), and at the same time, the rocking lever (12a). The connecting piece (12c) of 12) is pushed up, and the operating portion (6) projects forward.

A through hole (13) is formed in the connecting piece (12c) through a shaft portion (63) of an operation portion (6) described later along the longitudinal direction of the swing lever (12). Has been done. Through-hole (13)
As shown in FIG. 2, it has a shape in which narrow band-shaped hole portions are extended and formed above and below the central circular hole portion, and it is assumed that the elongated holes are formed as a whole.

As shown in FIG. 1, the operating portion (6) is mounted on a support base (41) projecting forward from the central region of the upper side of the fixing plate (4) located above the gas stopper body (2). It is attached in a retaining state, and is slightly larger than the diameter of the shaft part (63) of the operation part (6) in the central part of the support base (41) just corresponding to the through hole (13). The width slit (40) is formed so as to open upward.

At one end on the back side of the shaft portion (63) of the operation portion (6),
A locking end portion (61) having a diameter larger than that of the shaft portion (63) is provided. Since the diameter of the locking end (61) is set to be smaller than the diameter of the round hole of the through hole (13) and larger than the width of the slit (40) of the fixing plate (4), the locking Edge (6
1) penetrates the round hole portion of the through hole (13) and slides the shaft portion (63) from the upper open end of the slit (40) so that the locking end portion (61) of the slit (40). When the shaft portion (63) is fitted so as to be located at the back, the shaft portion (63) is attached to the support base (41) of the fixed plate (4) in a retaining state.

A head portion (62) having a larger diameter than the shaft portion (63) is provided at the other end of the shaft portion (63), and a male screw is provided so as to surround the head portion (62). The tubular portion (64) is fitted onto the shaft portion (63).
At a predetermined position on the inner peripheral surface of the male screw cylinder part (64), a step part (68) slidable in a substantially contact state with the shaft part (63) is provided so as to project. A coil spring (66) is provided so as to wind the shaft portion (63) between the head portion (62) and the head portion (62). The coil spring (66) urges the connecting piece (12c) of the swing lever (12) toward the support base (41).

The outer diameter of the bottom surface of the male screw cylinder portion (64) is larger than the diameter of the round hole portion of the through hole (13), and the bottom diameter of the male screw cylinder portion (64) is small. As shown in FIG. 4, a pair of engaging protrusions (67) which are fitted in and engage with the strip-shaped hole portions of the through holes (13) are formed at positions facing each other. As a result, the male screw cylinder portion (64) is fixed to the swing lever (12) in a non-rotating state.

The cap portion (65) is externally screwed onto the male screw cylinder portion (64) from the head portion (62) side to complete the operation portion (6). As described above, the operating portion (6) is provided integrally with the gas stopper body (2) by inserting the locking end portion (61) provided at one end into the slit (40) from the open end side thereof. Fixed plate (4)
Since it can be attached to the support base (41) in a state where it does not come off, the work of attaching the operation portion (6) in the casing (1) becomes easy.

Incidentally, the one shown in FIG. 1 is in a state where the socket (3) is not attached to the plug portion (21), and FIG.
The socket (3) is shown attached. socket
To install (3), push the socket (3) into the casing (1) through the opening (10) and insert the socket (3) into the plug (2).
It is fitted on 1). Then, the socket (3) becomes the plug part (21).
The lock state is engaged with the retainer. By attaching the socket (3), the pressing piece (12
a) and (12b), as shown in FIG.
It is pushed to the back by a) and the connecting piece (12c)
Is pushed to the front side. As a result, the cap portion (65) of the operation portion (6) projects forward.

In order to remove the socket (3) attached to the plug part (21), the cap part (65) is pushed inward of the casing (1). Since the bottom surface of the male screw cylinder part (64) is formed larger than the diameter of the round hole part of the through hole (13), the swing lever is pushed by pushing the cap part (65) inward. The connecting piece (12c) of (12) is pushed inward by the male screw cylinder part (64), which causes the rocking lever (12) to rock and pushes the pressing piece on the opposite side of the connecting piece (12c). Piece (12
The a) and (12b) push the advancing and retracting cylinder (3a) at the tip of the socket (3) in the releasing direction. As a result, the locked state of the socket (3) is released.

After the socket (3) is removed, the connecting piece (12c) is moved to the support base (41) by the urging force of the coil spring (66).
It returns to the state of FIG. In this embodiment, as shown in FIG. 5, a decorative plate (50) for closing the opening (10) of the casing (1) is attached to the wall plate (5). To do.

The plug portion at the center of the decorative plate (50)
In the range surrounding the (21) and the operation portion (6), a step portion (52) is formed that is recessed inward by the thickness of the lid portion (55), and among the step portion (52). , The part corresponding to the operation part (6),
It is assumed that the first window portion (53) is formed and the second window portion (54) is formed at the portion corresponding to the plug portion (21).

Further, in the step portion (52), a through hole is formed at a position corresponding to the screw hole of the protruding piece (4b) (4c) of the fixing plate (4), and this through hole is formed. The bolts (56) and (57) are respectively inserted and screwed into the screw holes provided in the protruding pieces (4b) and (4c). As a result, the decorative plate (50) becomes a wall plate.
It will be fixed to the fixing plate (4) while sandwiching (5).

In the operating portion (6), the shaft portion (63) is a swing lever.
The shaft that is locked in the slit (40) in a retaining state because it is not fixed at all because it is inserted into the through hole (13) of (12) and the slit (40) of the fixing plate (4). The (63) can be swung about the engaging portion with the slit (40) of the engaging end portion (61). Therefore, when the decorative plate (50) is attached and fixed to the wall plate (5), the opening position of the first window (53) is changed to the operation portion (6).
If the operating portion (6) is swung around the locking end portion (61), the cap portion (65) will move to the first window.
The posture of the operation section (6) can be adjusted so as to be exposed from the (53).

The lid portion (55) is rotatably screwed to one side portion of the stepped portion (52), and the other side edge located on the opposite side of the one side portion is screwed. A recess (58) is formed. By inserting a finger into the concave portion (58) and lifting the side surface of the closed lid portion (55) forward, the lid portion is closed.
The (55) can be rotated so as to stand upright with respect to the top surface of the decorative plate (50). As a result, the step portion (52) is opened.

When replacing the gas plug of the embodiment of the present invention with an old type gas plug, the existing casing (1) may be used as it is. Then the existing casing
When the frame plate (1a) of (1) is deep, the operation part (6) opens the wall plate (5).
Since it is located behind (51), the usability during socket attachment / detachment operation deteriorates.

In such a case, by loosening the screwing of the cap portion (65) to the male screw cylinder portion (64),
As shown in FIG. 6, the (65) can be projected forward by a predetermined length. In this way, the casing (1) frame (1a)
The protruding length of the cap part (65) can be adjusted according to the depth of the.

When loosening the screwing of the cap portion (65) to the male screw cylinder portion (64), the cap portion (65) is rotated in the direction opposite to the tightening direction. As described above, in the cylindrical portion (64), the engaging protrusion (67) provided in the lower portion has the through hole.
The male screw cylinder (64) does not rotate when the cap (65) is rotated, because it is fitted into the band-shaped hole (13) and engaged in the rotation-preventing state. In this way, since only the cap portion (65) can be easily rotated,
It becomes easy to adjust the protruding length of the operation section (6).

[Brief description of drawings]

FIG. 1 is a partial vertical cross-sectional view of an embedded gas stopper according to an embodiment of the present invention.

FIG. 2 is a front view of the buried gas stopper according to the embodiment of the present invention.

FIG. 3 is a partial vertical cross-sectional view showing a state in which a socket is attached to the buried gas stopper according to the embodiment of the present invention.

FIG. 4 is a side view of the operation portion of the socket removing mechanism according to the embodiment of the present invention.

FIG. 5 is a front view of the embedded gas stopper according to the embodiment of the present invention with a decorative plate attached thereto.

FIG. 6 is a partial vertical cross-sectional view showing a state where the protruding length of the operating portion is adjusted to be longer from the state of FIG.

FIG. 7 is an explanatory view of a socket removal mechanism in a conventional buried gas stopper.

FIG. 8 is an enlarged cross-sectional view of a main part of a socket removal mechanism in a conventional buried gas stopper.

[Explanation of symbols]

(11) ... Support shaft (12) ... Rotating lever (12a) (12b) ... Pressing piece (2) ・ ・ ・ ・ Gas plug body (21) ・ ・ ・ ・ Plug part (3) ··· Socket (4) ・ ・ ・ ・ Fixing plate (6) ··· Operation part (63) ... Shaft (64) ...- Male screw cylinder (65) ... ・ Cap section (66) ... Biasing means

   ─────────────────────────────────────────────────── ─── Continued front page    F term (reference) 3H051 AA04 BB02 BB03 CC07 CC15                       FF01                 3H054 AA00 BB17 CD14 GG01                 3J106 AA01 AB01 BA01 BB02 BC04                       BD02 CA16 EA03 EB05 ED04                       ED32

Claims (5)

[Claims] 1. A socket removing mechanism for removing a socket connected to a plug portion of a gas stopper body, the support shaft being externally fitted to a base end portion of the plug portion in a non-rotating state, and the support. A swing lever having a pressing piece that swings about a shaft as a fulcrum and presses the tip end surface of the socket in a mounted state in a release direction; and an end opposite to the pressing piece via the support shaft. In the socket removing mechanism, which is continuously provided and includes an operating portion for operating the swing of the swing lever, a fixing plate is integrally provided on the gas plug body, and the operating portion includes the swing plate on the fixing plate. A shaft body that is locked in a disengaged state through a moving lever; and a shaft body that is fitted onto the shaft body in a rotation-stopped state and is capable of advancing and retracting and that urges the swing lever toward the fixed plate. Male screw with biasing means Parts and socket removal mechanism, characterized in that it is composed of a cap portion having a female threaded cylinder portion for screwed fitted on the male threaded tubular portion. 2. The socket removing mechanism according to claim 1, wherein the swing lever includes a pair of pressing pieces arranged on both sides of the plug section at right angles to an axis of the plug section, and a pair of the pressing pieces. The pressing piece is composed of a connecting piece that is connected to the side of the gas plug body, and the supporting shaft is arranged at a boundary portion between the pressing piece and the connecting piece. An engaging portion having a diameter larger than that of the shaft portion is formed at one end, and an elongated hole through which the engaging portion can penetrate is formed in the connecting piece, and the fixing plate corresponding to the elongated hole. A socket removing mechanism having a slit portion having a width substantially corresponding to the diameter of the shaft portion so as to open outward at a predetermined position. 3. The socket removing mechanism according to claim 2, wherein a head having a diameter larger than that of the shaft portion is formed at the other end of the shaft body, and the urging means includes the head. And a width of the elongated hole is set to be smaller than an outer diameter of a bottom portion of the male screw tubular portion, and the bottom portion of the male screw tubular portion is formed. A socket removing mechanism in which a pair of engaging protrusions that can be fitted into the elongated holes are provided at respective positions facing each other. 4. A gas stopper main body comprising a casing embedded in a wall or floor and having an opening for inserting a socket, and a plug portion housed in the casing and connected to the socket inserted through the opening. And a socket removal mechanism for removing the mounted socket, wherein the socket removal mechanism includes a support shaft externally fitted to the base end of the plug portion in a non-rotating state. A swing lever having one end provided with a pressing piece that swings about the support shaft and presses the tip end of the forward / backward moving cylinder of the socket in the mounted state in the releasing direction; and the other end of the swing lever. And an operating section for operating the swing of the swing lever, the operating section being provided on a fixing plate provided along a bottom surface of the casing. A shaft body that is locked in a retaining state via a moving lever; and a shaft body that is fixed to the shaft body in a rotation-stop state by being fitted on the shaft body and engaging with the swing lever. A male screw cylinder provided with urging means for urging the swing lever to the fixed plate side, and a female that is externally fitted to the shaft body from the open side of the casing and screwed into the male screw cylinder. An embedded gas plug, comprising a cap portion including a screw cylinder portion. 5. The buried gas plug according to claim 4, wherein the fixing plate is attached and fixed to the back surface of the gas plug body, and a projecting piece projects from the fixing plate to the open side of the casing. And a decorative plate that closes the opening is screwed to the tip of the protruding piece, and the decorative plate is
A buried gas stopper provided with a window portion through which the connection end of the plug portion and the cap portion are exposed, and a lid body that opens and closes the window portion.