JPH073269B2 - How to install the equipment - Google Patents

Description

Description: FIELD OF THE INVENTION The present invention relates to a method of mounting a device having an outward flange, such as a gas cock, on a wallboard.

BACKGROUND ART FIG. 9 is a view for explaining a conventional mounting method of a gas cock 1, and FIG. 10 is a perspective view of a support member 2. When mounting the gas cock 1 in the mounting hole 6 of the wall plate 3, the support member 2 shown in FIG. 10 is prepared. The support member 2 is formed in a ring shape and can be folded along a diameter line by the hinge 4. The support member 2 has an insertion hole 12 and a ring-shaped contact surface 5 that can contact the back surface 3d of the wall plate 3. By making the contact surface 5 ring-shaped, the area of the support member 2 that contacts the back surface 3a of the wall plate 3 (hereinafter referred to as the pressure receiving area) becomes large, and the attachment strength to the wall plate 3 is increased. You can Ring-shaped projections 7 and 8 are formed radially inward of the contact surface 5. The protrusions 7 and 8 have
Both ends of the cord 9 are fixed and screw holes 10 are formed respectively.

A method of mounting the gas cock 1 in the mounting hole 6 of the wall plate 3 using the support member 2 will be described. First, a mounting hole 6 having an inner diameter 12 smaller than the outer diameter 1 of the support member 2 is formed in the wall plate 3. Next, as shown in FIG. 9 (1), the supporting member 2 is folded in half by the hinge 4, and the cord 9 is held on the front surface 3b side of the wall plate 3 so that the wall plate 3 The support member 2 is expanded by inserting it from the surface 3b side into the mounting hole 6. Next, as shown in FIG. 9 (2), a flexible tube 11 having a self-supporting property, which is arranged on the back surface 3 a side of the wall plate 3 and supplies a fluid such as gas, is passed through the insertion hole 12 of the support member 2. It is pulled out from the mounting hole 6 to the surface 3b side of the wall plate 3, and is connected to the gas cock 1 via a joint 13. The gas cock 1 is formed with an outward flange 14 as a support member. The outer diameter 13 of the outward flange 14 is selected to be larger than the inner diameter 12 of the mounting hole 6. The outward flange 14 is provided with a pair of through holes 15 corresponding to the screw holes 10 formed in the protrusions 7 and 8 of the support member 2. Next, the flexible tube 11 to which the gas cock 1 is connected is attached to the gas cock 1
The outward flange 14 is pushed into the mounting hole 6 until it comes into contact with the other surface 3b of the wall plate 3. Next, the cord 9 is pulled toward the front surface 3b side of the wall plate 3, and the abutting surface 5 of the support member 2 is brought into contact with the back surface 3a of the wall plate 3, and the threaded portions of the pair of bolts 16 are The free holes 15 of the outward flange 14 are inserted and individually screwed into the screw holes 10 of the support member 2. After pushing the cord 9 into the mounting hole 6 and tightening the bolts 16 respectively,
As shown in FIG. 3C, the gas cock 1 can be integrally mounted in the mounting hole 6 of the wall plate 3 with the wall plate 3 being sandwiched by the support member 2 and the outward flange 14.

In such a prior art, the structure of the foldable support member 2 is complicated and the cost is increased. Also the back of the wall 3
On the 3a side, the support member 2 is expanded, the flexible tube 11 is inserted through the insertion hole 12 and the mounting hole 6 of the expanded support member 2, and the flexible tube 11 is pulled out to the surface 3b side of the wall plate 3. Therefore, there is a problem that it takes time and effort to attach the gas cock 1.

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention An object of the present invention is to solve the above-mentioned technical problems, to provide a method of attaching a device which is low in cost and improves workability.

Means for Solving the Problems The present invention has a substantially circular mounting hole formed in a wall plate, and has an oval shape having a length sufficiently larger than the inner diameter of the mounting hole and a small width. A pair of first and second support members, the insertion hole being provided in the central portion, and the ring-shaped recess provided in the first support member around the insertion hole, which are opposed to each other in the longitudinal direction. A ring-shaped recess provided with a pair of screw holes in which internal screws are engraved at positions and a pair of through holes at positions facing each other in the width direction; and a recess of the first support member around the insertion hole. A ring-shaped protrusion provided on the second support member so that the second support member is fitted with a through hole at a position opposite to the longitudinal direction and a semicircular notch at a position opposite to the width direction. And a ring-shaped convex portion, and the longitudinal direction of each support member outside the ring-shaped concave portion or convex portion. One end is fixed to one of the through holes of the first support member and a pair of support members having a wide contact surface provided at the ends, and the pair of through holes of the second support member are provided with convex portions. Form a loop by being gradually inserted in the direction of fitting into the recess, and the other end is provided with a rope fixed to the other of the through holes of the first supporting member and a pair of free passage holes at opposite positions. Prepare a device with an outward flange, hold the pair of supporting members in parallel with each other, hold the looped side of the rope on the front side of the wall plate, and from the front side of the wall plate to the mounting hole. Inserting the supporting member, pulling the rope formed into a loop from the front side of the wall plate to make the pair of supporting members orthogonal to each other, and fitting the convex portion of the second supporting member into the concave portion of the first supporting member, The abutting surfaces of the pair of support members are brought into contact with the back side of the wall surface, and the pair of free holes of the outward flange and the screw holes of the first support member are provided. A mounting method of a device, characterized in that a mounting flange is brought into contact with a front surface of a wall surface so as to match positions, and the outward flange and the first supporting member are fastened with two bolts sandwiching the wall plate. is there.

Effect According to the present invention, the loop of the cord is held from the mounting hole of the wall plate, the pair of support members are inserted in parallel and inserted, and the cord is pulled to make the pair of support members orthogonal to each other. The wide contact surface is brought into contact with the back side of the wall plate, the outward flange of the instrument is brought into contact with the front side of the wall plate, and the support member and the outward flange are fastened by sandwiching the wall plate with bolts. When inserting the pair of support members into the mounting holes, the support members are stacked in parallel, so that even a long one can be inserted, and after the insertion, the rope is pulled to assemble the pair of support members orthogonally. , It is possible to make contact with a sufficiently wide contact surface. This allows the device to be firmly attached to the wallboard. Further, since the pair of support members can be combined by a simple operation of only pulling the cord, workability can be improved. Further, since the structure of the supporting member is simpler than that of the conventional one, the cost can be reduced.

Embodiment FIG. 1 is a perspective view of an embodiment of the present invention, FIG. 2 is a front view of first and second support members 23, 24 according to the present invention, and FIG. 3 is a first support member 23. 4 is a sectional view taken along the section line IV-IV in FIG. 3, FIG. 5 is a front view of the second support member 24, and FIG. 6 is FIG. 6 is a sectional view taken along section line VI-VI of FIG. 7, FIG. 7 is a sectional view taken along section line VII-VII of FIG. 2, and FIG.
FIG. 8 is a sectional view taken along section line VIII-VIII in the figure. A device having an outwardly facing flange 46, such as a gas cock 21, is attached to the wallboard.
For mounting in the mounting hole 26 formed in 25,
First and second support members 23, 24 shown in the figure are prepared. The first and second support members 23 and 24 have the same shape as a whole and are configured by being overlapped with each other. The first and second support members 23, 24 are made of, for example, a metallic material,
The entire shape is formed into an oval shape. At the intersecting positions of the first and second support members 23, 24, there are insertion holes 30, 38 of the same diameter.
Is formed. The inner diameters of these insertion holes 30 and 38 are selected so that a joint 45 described later can be inserted therethrough. Contact surfaces 28 and 29 that contact the back surface 25a are formed at both ends in the longitudinal direction of the first support member 23 that face the back surface 25a of the wall plate 25. Further, the second support member 24 is a surface opposite to the surface facing the first support member 23, and contact surfaces 36, 37 contacting the back surface 25a of the wall plate 25 are provided at both longitudinal ends thereof. It is formed. The contact surfaces 28, 29, 36, 37 are flush with each other when the cord 27 is pulled to connect the first and second support members 23, 24, as will be described later, and the contact surfaces 28, 29, 36, 37 are attached to the back surface 25a of the wall plate 25. Each is configured to be able to abut.

A ring-shaped recess 31 continuous with the contact surfaces 28 and 29 is formed at the peripheral edge of the insertion hole 30 of the first support member 23 facing the second support member 24. Further, the first support member of the insertion hole 38 of the second support member 24.
A convex portion 39 that fits into the mounting hole 26 is formed in the peripheral portion facing the 23. As shown in FIG. 3, the recess 31 has screw holes 32, 3 in which internal threads are engraved at opposite positions in the longitudinal direction.
Through holes 34 and 35 are formed at positions facing each other in 3 and the width direction, respectively. Further, in the convex portion 39, the first and second support members 24
As shown in FIG. 2, the semicircular notch is formed at a position corresponding to the screw holes 32, 33 of the first support member 23, that is, at a position facing each other in the width direction, in a state where they are overlapped with each other at right angles. Four
2, 43 and free holes 40, 41 are formed at positions corresponding to the through holes 34, 35, that is, at positions facing each other in the longitudinal direction. Both ends of the cord 27 are inserted into the through holes 34 and 35, and the knots formed at the both ends prevent the rope 27 from coming off from the through holes 34 and 35, respectively. The cord 27 is inserted through the through holes 40, 41 of the second support member 24, respectively, and the central portion of the cord 27 is pulled toward the front surface 25b side of the wall plate 25 as described later. The first and second support members 23, 24 can be connected to each other.

The operation of mounting the gas cock 21 in the mounting hole 26 of the wall plate 25 using the first and second support members 23 and 24 will be described below with reference to FIG. The length D1 in the longitudinal direction of the first and second support members 23, 24 prepared in advance is, for example, 70 m.
m, the length D2 in the width direction is, for example, 44 mm, and the inner diameters D3 of the insertion holes 30, 38 of the first and second support members 23, 24 are D3.
Is, for example, 35 mm, the outer diameter D4 of the protrusion 39 of the second support member 24 is, for example, 49 mm, the thickness D5, 3 mm of the protrusion 39, and the contact surfaces 36, 37 of the second support member 24. Thickness D6
Is, for example, 5 mm. First, at the position where the gas cock 21 of the wall plate 25 made of gypsum is attached, the inner diameter D7
A mounting hole 26 having (D2 <D7 <D1) is formed. A flexible tube 44 for supplying a fluid such as gas is arranged on the back surface 25a side of the wall plate 25, and the flexible tube 44 is passed through the mounting hole 26 to pass through the flexible tube 44 as shown in FIG. 1 (1). Pull out to the surface 25b side of 25. Next, the flexible tube 44 pulled out is loosely inserted into the insertion holes 30 and 38 of the first and second support members 23 and 24, respectively. The width D2 of the first and second support members 23, 24 in the width direction is determined by the mounting hole 26
The inner diameter D7 is smaller than the inner diameter D7 and its insertion hole 3
The inner diameter D3 of 0, 38 is selected to be larger than the outer diameter D8 of the joint 45. Therefore, the first and second support members 23 and 24 are tilted by 90 degrees or less with respect to the pipe axis of the joint 45 as shown in FIG. The second support member 24 and the mounting hole 26 can be inserted in this order. In this state, the cord 27 is relaxed, and the first support member 23
The through holes 34, 35 of the second support member 24 and the through holes 34, 35 of
90 degrees off. The first and second support members 23, 2 having the loop of the rope 27 held on the front side of the wall plate 25 and inserted through the mounting hole 26
Since the cord 4 is held by the cord 27 from the front side of the wall plate 25, it can be prevented from falling along the flexible tube 44 to the back side of the wall plate 25. In this state, a fitting 45 is attached to the end of the flexible tube 44.
The gas cock 21 is connected via.

Next, the cord 27 is pulled from the front side of the wall plate 25. At this time the rope
Due to the tensile force of 27, the through holes 34, 35 of the first support member 23 are
The first supporting member 24 is aligned with the through holes 40, 41 of the second supporting member 24.
The support member 23 is angularly displaced by about 90 degrees with respect to the second support member 24, so that the first and second support members 23, 24 intersect at a right angle as shown in FIG. 1 (3). can do. At this time, the screw holes 32 and 33 of the first support member 23 are
The notches 42 and 43 of the support member 24 can be aligned with each other. In this way, the wide contact surfaces 28, 29, 36, 37 of the first and second support members 23, 24 are moved by the tensile force of the cord 27,
It can be brought into contact with the back surface 25a of the wall plate 25, whereby the first and second support members 23, 23 for the back surface 25a of the wall plate 25,
The pressure receiving area of 24 can be doubled as compared with the case where only the contact surfaces 36 and 37 of the second support member 24 are used. Therefore, the mounting strength of the gas cock 21 on the wall plate 25 can be increased.

Next, the flexible tube 44 pulled out to the front side of the wall plate 25 is pushed into the mounting hole 26 until the outward flange 46 of the gas cock 1 contacts the surface 25b of the wall plate 25, and the flexible flange 44 of the outward flange 46 is pushed. The through hole 60 and the screw holes 32, 33 of the first support member 23 are aligned with each other.

Next, the threaded portions of the bolts 47, 48 are inserted into the notches 42, 4 of the second support member 24 from the free holes 60 of the outward flange 46 of the gas cock 21.
The screw holes 32 and 33 of the first support member 23 are screwed through the respective screw holes 3 as shown in FIG. Bolt 47,48
The length of the threaded portion is such that the tip end of the threaded portion is screwed into the screw holes 32, 33 of the second support member 23, as shown in FIG. Between the surface 25b of
The length is selected so that a gap can be formed such that the cord 27 can be pushed into the mounting hole 26. The cord 27 may be removed by cutting it with scissors,
It is preferable to leave it in consideration of replacing the gas cock 21.

Thereafter, the bolts 47, 48 are tightened to contact the contact surfaces 28, 28 of the first and second support members 23, 24 as shown in FIG. 1 (5).
By causing the wall plate 25 to be swung with the aid of 29, 36, 37 and the outward flange 46 of the gas cock 21,
It can be attached to the insertion hole 30 of the wall plate 25 of the gas cock 21.

As described above, in the present invention, the flexible tube 44 can be inserted into the insertion holes 30 and 38 of the first and second support members 23 and 24 on the surface 25b side of the wall plate 25. This means that the flexible tube 11 has to be inserted into the insertion hole 12 of the support member 2 (see FIG. 9) on the back surface 25a side of the wall plate 25, which is more time-consuming than the installation work. Obviously, it is clear that the workability is greatly improved. Further, in the present invention, the oval first and second support members 23 and 24 connected by the cord 27 are connected to each other by the cord 27.
, And can be angularly displaced at the intersecting position, and the cost can be reduced by simplifying the configuration. Moreover, since the width of the contact surfaces 28, 29, 36, 37 is wider than that of the conventional supporting member 2, the mounting strength of the gas cock 21 is increased, so that the reliability of the construction can be ensured. .

In the above embodiment, knots are formed at both ends of the cord 27,
Although the structure is such that the first support member 23 is prevented from coming off the through holes 34 and 35, the present invention is not limited to this, and both ends of the rope 27 are bonded to the positions of the through holes 34 and 35 of the first support member 23. It may be configured to be fixed by an agent or the like, or may be other configuration.

The device attached to the attachment hole 26 of the wall plate 25 is not limited to the gas cock 21 as described above, but the other surface 25b of the wall plate 25.
It may be a device that is attached so as to project from the device, such as a water tap or an outlet for electric wiring.

The method of attaching a device according to the present invention can be implemented also for a device that does not require a flexible tube to be arranged on one surface side of a wall plate, such as a hook for wall hangings.

Effects As described above, according to the present invention, a pair of support members are connected by a cord, and the support members are superposed in parallel with each other and inserted into the back surface of the wall plate from the mounting hole, and the cord is pulled to support the support member. Since they are orthogonal to each other and can be brought into contact with the back surface of the wall plate in a relatively large area, the device can be firmly attached to the wall plate. Further, since the pair of support members can be assembled by a simple operation of pulling the cord, workability can be improved, and the structure of the support members is simple, so that the cost can be reduced.

[Brief description of drawings]

FIG. 1 is a view showing an embodiment of the present invention, FIG. 2 is a front view of first and second support members 23, 24 according to the present invention, and FIG. 3 is a front view of the first support member 23. The figure shows the section line IV in Fig. 3.
-IV is a sectional view, FIG. 5 is a front view of the second support member 24, FIG. 6 is a sectional view taken along section line VI-VI of FIG.
7 is a sectional view taken along section line VII-VII in FIG. 2, FIG. 8 is a sectional view taken along section line VIII-VIII in FIG. 2, and FIGS. 9 and 10 are prior art. It is a figure for explaining. 1,21 …… Gascock, 3,25 …… Wallboard, 5,28,29,36,37…
… Abutting surface, 6,26 …… Mounting hole, 9,27 …… Rope, 23,24 ……
Support member

Claims (1)

[Claims] 1. A pair of substantially same-shaped first and second substantially oval-shaped mounting holes formed in a wall plate and having a length sufficiently larger than an inner diameter of the mounting holes and a small width. (2) A supporting member, which is an insertion hole provided in a central portion, and a ring-shaped recess provided in the first supporting member around the insertion hole, in which inner screws are engraved at opposing positions in the longitudinal direction. And a ring-shaped recess provided with a pair of screw holes and a pair of through holes at positions that face each other in the width direction, and a first recess that fits in the recess of the first support member around the insertion hole. 2. A ring-shaped protrusion provided on the second supporting member, the ring-shaped protrusion having a through hole at a longitudinally opposite position and a semicircular notch at a widthwise opposite position. A wide width is provided at both ends in the longitudinal direction of each support member outside the ring-shaped recess or protrusion. A pair of support members having a contact surface, and one end fixed to one of the through holes of the first support member, and a pair of free holes of the second support member in a direction in which the convex portion fits into the concave portion. A cord that is gradually inserted to form a loop, the other end of which is fixed to the other of the through holes of the first support member, and an instrument having an outward flange having a pair of through holes at opposite positions. Prepare and hold a pair of support members in parallel with each other, hold the looped side of the rope on the front side of the wall plate, insert the support member from the front side of the wall plate into the mounting hole, and The pair of supporting members are made to intersect at right angles by pulling the ropes from the front side of the wall plate, and the convex portions of the second supporting member are fitted into the concave portions of the first supporting member, and the contact surfaces of the pair of supporting members. Abutting against the back side of the wall surface so that the positions of the pair of through holes of the outward flange and the screw holes of the first supporting member are aligned with each other. The mounting flange is abutted against the front surface, the mounting method of the device, characterized in that fastening the outward flange and the first support member in two bolts across the wallboard.