JP6499463B2 - Stopper fixing structure - Google Patents

Description

  The present invention relates to a structure for fixing a stopper to an object to be embedded when the stopper such as a gas stopper or a water stopper is embedded in an object to be embedded such as a top plate, a floor board, or a wall of a kitchen.

The buried gas stopper fixing structure disclosed in Patent Document 1 includes a box.
The box is accommodated in an accommodation hole penetrating from the front side surface to the back side surface of the embedding target, and is fixed to the embedding target. The box has a bottom, and a through hole is formed in the bottom. The gas plug has a gas outlet part (outflow part), a plug main body and a gas introduction part (inflow part) from the distal end to the base end, and a flange portion projects from the plug main body in the radial direction. . The gas stopper and the box are fixed by fixing the flange part and the bottom part in a state where the stopper main body of the gas stopper is inserted into the through hole in the bottom part of the box.

Japanese Utility Model Publication No. 63-94375

  In the buried gas stopper fixing structure described in Patent Document 1, the flange portion of the gas stopper is fixed to the bottom inside the box. Since the flange portion is larger than the through hole in the bottom portion and cannot be inserted through the through hole, the gas stopper cannot be moved to the outside of the bottom portion of the box. Therefore, the gas stopper must be taken out only from the inside of the box (one side of the burying target), and cannot be taken out from both the inside and outside of the box (the other side of the burying target).

The present invention has been made to solve the above problems, and is a structure in which a plug having an outflow portion, a plug main body and an inflow portion from the distal end toward the proximal end is embedded and fixed in an object to be embedded,
It is accommodated in an accommodation hole penetrating from the front side surface to the back side surface of the object to be embedded, and includes a box fixed to the object to be embedded, the box has a bottom part, and a through hole is formed in the bottom part,
The plug has a flange portion protruding in a radial direction from the plug body, and the flange portion is fixed to the bottom portion by a fixing means in a state in which the plug body of the plug is inserted into a through hole in the bottom portion of the box. In the fixing structure of the buried plug, the flange portion is smaller than the through hole, and can be inserted into the through hole when the plug is at a first angular position around its axis with respect to the box. When the stopper is at the second angular position, the through hole cannot be inserted, and the flange portion is fixed to the bottom of the box with the stopper main body at the second angular position, and the outflow portion, The plug body and the inflow portion are formed so as to be within the outline of the flange portion when viewed from the axial direction of the plug.

  According to the said structure, the gas stopper by which the flange part was fixed to the bottom part of one side of the inner side and the outer side of a box can be pulled out from the said one side as well as can be pulled out from the other side.

Preferably, the flange portion of the stopper and the through hole of the bottom portion of the box have an elongated shape, and the flange portion is fixed to the bottom portion at both longitudinal ends thereof when the stopper is at the second angular position. Is done.
According to the said structure, since the both ends of a flange part are fixed, a stopper can be firmly fixed to a box.

Preferably, the flange portion of the stopper and the through hole in the bottom portion of the box have a similar shape.
Preferably, the fixing means includes a through-hole formed in one of the flange portion and the bottom portion, a screw hole formed in the other, and a screw inserted into the through-hole and screwed into the screw hole.

  According to the present invention, the gas stopper fixed to the box can be taken out from both the front side and the back side of the burying target without removing the box from the receiving hole of the burying target.

It is a longitudinal cross-sectional view which shows the state which embed | buried and fixed the gas stopper to the wall by the fixing structure which concerns on 1st Embodiment of this invention, and shows in cross section other than a gas stopper, a fixing screw, and the joint for flexible pipes. It is the front view which looked at the fixing structure of the embodiment from the indoor side, and shows a state where the box is fixed to the inner wall and the decorative board is removed. It is the front view which looked at the box used for the fixing structure of the embodiment from the indoor side. It is the front view which looked at the gas stopper used for the fixing structure of the embodiment from the indoor side. It is the same front view as FIG. 2 which shows the state which has the said gas stopper in the 1st angle position, ie, the angle position which the flange part can penetrate in the through-hole of a box bottom part. It is a longitudinal cross-sectional view which shows the state which embed | buried and fixed the gas stopper to the wall by the fixing structure which concerns on 2nd Embodiment of this invention, and shows in cross section other than a gas stopper, a fixing screw, and the joint for flexible pipes. It is the front view which looked at the fixing structure of the embodiment from the indoor side, and shows a state where the box is fixed to the inner wall and the decorative board is removed. It is the front view which looked at the box used for the fixing structure of the embodiment from the indoor side. It is the front view which looked at the gas stopper used for the fixing structure of the embodiment from the indoor side. It is the same front view as FIG. 7 which shows the state which has the said gas stopper in the 1st angle position, ie, the angle position which the flange part can penetrate to the through-hole of a box bottom part.

The best mode for carrying out the present invention will be described below with reference to the drawings. 1 to 5 show a first embodiment of the present invention. In this embodiment, the stopper fixing structure of the present invention is applied to a gas stopper embedded in a wall surface.
A fixing structure 1 of this embodiment shown in FIG. 1 includes a box 2, and a gas stopper 3 is fixed to the outside of the box 2.

  A wall W that is an object to be buried in the gas stopper 3 separates the indoor I from the outdoor O, and includes an inner wall Wi and an outer wall Wo. The wall W is formed with an accommodation hole Wa penetrating from the inner wall surface Wis (front surface) to the outer wall surface Wos (back surface).

  The box 2 includes a cylindrical portion 21, a flange portion 22 that protrudes radially outward from one axial end of the cylindrical portion 21, and a bottom portion 23 that is formed at the other end of the cylindrical portion 21 and closes the other end of the cylindrical portion 21. Are integrated.

  As shown in FIG. 1, the cylindrical portion 21 of the box 2 is inserted into the accommodation hole Wa of the wall W from the inner wall Wi side. Although this cylinder part 21 has comprised the cylindrical shape, as shown in FIG. 3, the cylinder part 21 has the flat part 21a which opposes a radial direction and makes mutually parallel.

  As shown in FIG. 3, an insertion hole 22 a is formed in the flange portion 22 of the box 2. The box 2 is fixed to the inner wall surface Wis of the wall W by a screw 24 passing through the insertion hole 22a.

  The bottom 23 of the box 2 has a flat plate shape and has a through hole 23a penetrating the center. The through-hole 23a has an elongated shape (non-circular shape), and its contour line includes a pair of linear portions 23g and 23g facing each other in the minor axis direction and parallel to each other, and a pair of arc portions 23h facing each other in the major axis direction. 23h. The through hole 23a is line symmetric with respect to two axes (long axis and short axis).

  Furthermore, two through holes 23c are formed in the bottom portion 23 so as to face each other with the through hole 23a interposed therebetween, and are adjacent to the straight portion 23g of the through hole 23a.

As shown in FIG. 1, the gas stopper 3 is built in the box 2. The gas plug 3 includes a plug portion 31 (gas outlet portion; outflow portion), a plug main body 32, and a joint connection portion 33 (gas introduction portion; inflow portion) in order from the distal end to the proximal end. A flexible pipe joint 41 connected to the end of the flexible pipe 4 that is the primary side gas pipe is connected to the joint connecting portion 33 by screwing.
The gas plug 3 has a built-in valve, which opens when a socket (not shown) connected to the gas pipe on the secondary side is connected to the plug portion 31 and closes when the socket is removed. .

  The flexible tube 4 is composed of, for example, a stainless steel corrugated original tube 4a and a vinyl chloride coating 4b, which is more flexible than a conventional steel tube and can be bent freely. Therefore, it is possible to pipe the inside of the building freely. In piping using the flexible pipe 4, the degree of freedom of moving the pipe is greater than in the case of piping using a steel pipe.

  A flange portion 34 that protrudes in the radial direction of the plug body 32 is formed in the plug body 32 of the gas plug 3. As shown in FIG. 4, the flange portion 34 has an elongated shape (non-circular shape), and its contour line is opposed to the pair of straight line portions 34 g and 34 g facing each other in the short axis direction and parallel to each other. A pair of arc portions 34h, 34h. The flange part 34 is line-symmetric with respect to two axes (long axis and short axis).

  As shown in FIG. 4, when the gas plug is viewed from the axial front end direction of the gas plug 3, the plug portion 31, the plug body 32, the joint connecting portion 33, the flexible pipe joint 41, and the flexible pipe are within the outline of the flange portion 34. It is formed so that the outline of the tube 4 can be accommodated.

  As shown in FIG. 5, the flange portion 34 has a similar shape to the through hole 23a in the bottom 23 of the box 2, and is smaller than the through hole 23a. Therefore, as shown in FIG. 5, when the gas plug 3 is at the first angular position around its axis, the flange portion 34 can be inserted into the through hole 23a. As shown in FIG. The flange portion 34 cannot be inserted into the through hole 23a when it is at the second angular position that is 90 ° apart from the angular position in the circumferential direction.

As shown in FIG. 4, two screw holes 34 a are formed at both ends in the longitudinal direction of the flange portion 34.
In order to embed the gas plug 3 in the wall W as shown in FIG. 1, after the gas plug 3 is built in the box 2, the box 2 is accommodated in the accommodation hole Wa from the indoor I side. Specifically, the plug body 32 of the gas plug 3 is inserted into the through hole 23a of the bottom portion 23 of the box and the bottom portion 23 and the flange portion 34 of the gas plug 3 face each other. Set to the angular position. At this time, the flange portion 32 is orthogonal to the through hole 23 a of the bottom portion 23, and the position of the screw hole 34 a of the flange portion 34 coincides with the through hole 23 c of the bottom portion 23. In this state, the fixing screw 5 is passed through the through hole 23c from the inside of the box 2 and screwed into the screw hole 34a, whereby the flange portion 34 is fixed to the bottom portion 23. As a result, the gas plug 3 is built in the box 2. . The through hole 23c, the screw hole 34a, and the fixing screw 5 constitute fixing means for the gas plug 3. The assembly configured as described above is inserted from the inner wall Wi side into the accommodation hole Wa from the joint connecting portion 33 side, and the flange portion 22 of the box 2 is fixed to the inner wall surface Wis. It is fixed to the wall W through.

Next, a waterproof structure applied to the gas stopper 3 will be described with reference to FIG. The waterproof structure includes an annular packing 6 and a waterproof cover 7 that fixes the packing 6 to the outer wall surface Wos of the wall W, and a gap between the peripheral edge of the accommodation hole Wa and the joint connecting portion 33 of the gas plug 3. Prevent rainwater from entering. The packing 6 is formed in an annular shape with an elastic material such as rubber, and can be elastically expanded and contracted and deformed, and is in close contact with the outer periphery of the joint connecting portion 33.
On the other hand, on the inner wall Wi side of the wall W, a decorative board 8 is attached to the box 2 so as to close the opening 2a of the box 2.

Next, with reference to FIG. 1, FIG. 2 and FIG. 5, the removal of the gas plug 3 in the fixed structure 1 for the buried type gas plug will be described in detail.
For example, when a failure such as gas leakage from the gas plug 3 occurs, the gas plug 3 is removed and the gas plug 3 is replaced or repaired. In order to remove the gas stopper 3, first, the decorative board 8 attached to the box 2 is removed on the indoor I side. FIG. 2 shows the box 2 with the decorative board 8 removed.
Next, the fixing screw 5 which fixes the bottom part 23 and the flange part 34 of the box 2 is removed.

When the gas plug 3 is taken out from the indoor I side, the gas plug 3 is rotated 90 degrees around its axis to the first angular position shown in FIG. 5, and the longitudinal direction of the flange portion 34 is the through hole 23 a of the bottom portion 23. It is made to correspond with the longitudinal direction. By pulling the gas plug 3 toward the indoor I side in this state, the flange portion 34 and the joint connecting portion 33 can be passed through the through hole 23a, and the gas plug 3 can be taken out from the inner wall surface Wis side and repaired.
By further pulling the gas plug 3, the joint connecting portion 33, the flexible pipe joint 41, and if necessary, a part of the flexible pipe 4 is also passed through the through hole 23 a of the box 2 to connect the joint connecting portion 33 and the flexible pipe joint 41. By releasing the state, the gas plug 3 can be repaired in a separated state.

  When removing the gas plug 3 from the outdoor O side, after removing the fixing screw 5, on the outdoor O side, the screw 71 fixing the waterproof cover 7 and the outer wall Wo is removed, and the waterproof cover 7 and the packing 6 are removed. A state in which separation from the outer wall surface Wos is possible. In this state, the gas plug 3 is removed from the box 2 by pulling the gas plug 3 to the outdoor O side.

  In the case of piping using the flexible pipe 4, since there is a degree of freedom to move the pipe, the gas stopper 3 can be rotated while the gas stopper 3 is connected to the flexible pipe 4, or the indoor I side and the outdoor O side. It is possible to pull it out.

According to the present embodiment, the following operational effects can be obtained.
The gas stopper 3 can be taken out from the box 2 without removing the box 2 from the accommodation hole Wa of the wall W.
The flange portion 34 of the gas plug 3 can be inserted from the outside of the box 2 into the through hole 23a of the bottom portion 23, and the plug body 32, the joint connection portion 33, the flexible pipe joint 41, Since the contour line of the flexible tube 4 is formed, the gas stopper 3 can be taken out from the indoor I side. For example, depending on the installation location of the gas plug 3, even if there is a restriction that the gas plug 3 cannot be taken out from the outdoor O side of the wall W due to an obstacle or the like, it can be taken out from the indoor I side.
When the gas plug 3 is taken out from the indoor I side, it is not necessary to remove the waterproof cover 7 and packing 6 on the outdoor O side, so that the time for taking out the gas plug 3 can be shortened and the repair cost can be reduced. it can.

  Next, another embodiment of the present invention will be described. In the following embodiment, only the configuration different from the above embodiment will be described, and the same components are denoted by the same reference numerals and the description thereof will be omitted.

  6 to 10 show a second embodiment of the present invention. As shown in FIGS. 6 and 7, the buried gas stopper fixing structure 1 of this embodiment is different from the first embodiment in that the flange portion 34 of the gas stopper 3 is connected to the bottom 23 inside the box 2. It is fixed to.

As shown in FIG. 8, two screw holes 23d (fixing means) are formed on the bottom 23 of the box 2 so as to face each other with the through hole 23a interposed therebetween, and are adjacent to the straight part 23g of the through hole 23a.
As shown in FIG. 9, two through holes 34 b (fixing means) are formed at both longitudinal ends of the flange portion 34.

  As shown in FIGS. 6 and 7, the gas plug 3 is set to the second angular position, the flange portion 34 is orthogonal to the through hole 23a, and the through hole 34b of the flange portion 34 and the screw hole 23d of the bottom portion 23 are matched. Then, the fixing screw 5 is passed through the through hole 34b from the inside of the box 2 and screwed into the screw hole 23d, whereby the flange portion 34 is fixed to the bottom portion 23, and consequently the gas plug 3 is fixed to the box 2.

Next, removal of the gas stopper 3 in the fixing structure 1 of the present embodiment will be described.
As shown in FIG. 7, after removing the decorative plate 8, the fixing screw 5 that fixes the bottom 23 and the flange 34 of the box 2 is removed.

  When the gas plug 3 is taken out from the outdoor O side, the screw 71 fixing the waterproof cover 7 and the outer wall Wo is removed, so that the waterproof cover 7 and the packing 6 can be separated from the outer wall surface Wos. Next, the gas plug 3 is rotated by 90 degrees around its axis to the first angular position shown in FIG. By pulling the gas plug 3 to the outdoor O side in this state, the flange portion 34 passes through the through hole 23a, and the gas plug 3 is taken out from the outdoor O side.

  When taking out the gas plug 3 from the indoor I side, the gas plug 3 is removed from the box 2 by pulling the gas plug 3 to the indoor I side after removing the fixing screw 5.

In addition, this invention is not limited to said embodiment, A various modification is employable in the range which does not deviate from the summary.
In the above embodiment, the first angular position and the second angular position of the gas stopper are 90 degrees apart about the axis of the gas stopper, but the angular interval is not limited to 90 degrees.
The through hole in the flange part of the gas stopper and the bottom part of the box is not limited to the above embodiment, and the flange part can be inserted into the through hole in the bottom part at the first angular position of the gas stopper. Any shape or arrangement that cannot be inserted at an angular position may be used. For example, both the flange and the through hole may be non-circular, one of them may be circular and the other non-circular, or both may be circular. When at least one is circular, it is necessary to deviate the center of one or both of the flange portion and the through hole from the axis of the box or gas plug.
There may be one or a plurality of locations where the flange portion can be inserted into the through hole of the box.

In the said embodiment, a gas stopper can be inserted and fixed to a box from both the indoor side and the outdoor side in the state in which the box was accommodated in the accommodation hole of the wall. In particular, when the gas plug is fixed to the box from the indoor side in the first embodiment and from the outdoor side in the second embodiment, the flange portion is set at the first angular position. After passing through the through hole in the bottom of the box and moving to the opposite side of the insertion side, the gas stopper is turned 90 degrees to the second angle position, and then the flange is fixed to the bottom of the box.
In the said embodiment, although the primary side gas piping is comprised with the flexible pipe, you may comprise with a steel pipe. In the case of a steel pipe, it is necessary to separate the gas stopper from the primary side piping in order to rotate the gas stopper or pull it out of the wall when removing the gas stopper. For example, the gas stopper is separated from the primary pipe by removing the elbow connected to the gas stopper via a joint from the pipe of the steel pipe.
In the above embodiment, when the flange portion is in the fixed position, in the through hole of the box, a portion other than the portion blocked by the flange portion is a gap, but in order to close this gap, the bottom portion of the box A shielding object such as packing may be interposed between the flange portions.
In the above embodiment, the stopper is a gas stopper, but may be a stopper or other stopper.
In the above embodiment, the object to be embedded is a wall, but it may be a kitchen top plate, a floor plate, or the like.

  The stopper fixing structure according to the present invention can be applied to fixing a stopper to an object to be buried when the stopper such as a gas stopper or a water faucet is attached to the object to be buried such as a top plate, a floor board, or a wall of a kitchen. it can. In particular, it can be applied to fixing an embedded gas plug to a wall.

W wall (for burial)
Wa accommodation hole Wis inner wall (front side)
Wos outer wall (back side)
DESCRIPTION OF SYMBOLS 1 Fixing structure of buried type gas stopper 2 Box 3 Gas stopper 23 Bottom 23a Through hole 31 Plug part (outflow part)
32 Plug body 33 Joint connection part (inflow part)
34 Flange

Claims (4)

A structure in which a gas stopper in which an outflow part, a plug main body and an inflow part are arranged in a straight line from the distal end to the proximal end is embedded and fixed in an object to be embedded,
It is accommodated in an accommodation hole penetrating from the front side surface to the back side surface of the burying target, and includes a box fixed to the burying target,
The box has a bottom, and a through hole is formed in the bottom;
The gas plug has a flange portion that protrudes from the plug body in the radial direction of the inflow portion ,
In the state where the plug body of the gas plug is inserted through the through hole in the bottom of the box, the buried gas plug is fixed to the bottom by a fixing means.
The flange portion is smaller than the through hole, and can be inserted into the through hole by the axial movement of the inflow portion when the gas stopper is at a first angular position around the axis of the inflow portion with respect to the box. And when the gas plug is at the second angular position, the gas hole cannot be inserted into the through hole,
The flange portion is fixed to a bottom portion of the box in a state where the gas stopper is at the second angular position,
The fixing of the buried gas plug , wherein the outflow portion, the plug body, and the inflow portion are formed so as to fit within the contour line of the flange portion when viewed from the axial direction of the inflow portion. Construction. The through hole in the flange part of the gas stopper and the bottom part of the box has an elongated shape, and the flange part is fixed to the bottom part at both longitudinal ends in the state where the gas stopper is at the second angular position. The structure for fixing an embedded gas plug according to claim 1. The embedded structure of a gas plug according to claim 2, wherein the flange portion of the gas plug and the through hole in the bottom portion of the box have a similar shape. The fixing means includes a through hole formed in one of the flange portion and the bottom portion, a screw hole formed in the other, and a screw inserted into the through hole and screwed into the screw hole. The structure for fixing an embedded gas plug according to any one of claims 1 to 3.

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