JPH0512489B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a joint that is attached to construction materials such as pillars and crosspieces placed behind walls through wall holes.
Specifically, even if the wall hole is so small that the joint can barely be inserted, it can be attached from the wall surface through the wall hole to the side surface of the column or the top or bottom surface of the crosspiece using screws. Regarding fittings.

(Prior art) Conventionally, when a fluid pipe for passing fluids such as hot water, water, gas, etc. inside a house is installed behind a wall and a faucet or gas tank is installed, for example, in the case of a newly built house, the front wall Before erecting the material, first, as shown in FIG. 18, a steel pipe 80 is installed below the crosspiece 1 provided along the back wall surface W, and the end thereof has a mounting hole 82 into which a screw 81 can be inserted. A joint 84 with a collar 83 is connected. Then, the mounting hole 82
A screw 81 is inserted from below and screwed into the crosspiece 1 to fix the joint 84 to the crosspiece 1.

After the joint 84 is fixed, the front wall material 3 is erected on the front surface of the crosspiece 1, as shown in FIG. Then, as shown in Fig. 20, the hole saw 8
At 5, a wall hole 3a for connecting a water faucet, gas tank, etc. is provided.

In addition, when installing a water faucet or gas tank, etc., it is strongly required not to spoil the aesthetic appearance of the wall surface, and it is necessary to cover the wall hole 3a by some means such as a cover so that it is not noticeable. For,
This wall hole 3a is made as small as possible.

(Problem to be Solved by the Invention) On the other hand, in recent years, for example, during renovation or new construction, after the front wall material 3 is erected, fluid pipes are installed behind the wall, and water faucets or There is an increasing demand for the installation of gas stoves, etc.

Therefore, when trying to connect the steel pipe 80 to the back of the wall using the conventional joint 84 described above and fixing the joint 84 to the lower surface of the crosspiece 1, the wall hole 3a is opened as shown by the two-dot chain line in FIG. If a small wall hole 3a is provided in accordance with the request to make it as small as possible, the screwdriver D must be inserted into the wall hole 3a diagonally from the front of the crosspiece 1, and the screw 81 must be inserted into the mounting hole 82 and screwed in. Of course, this was actually impossible.

That is, if the conventional joint 84 described above is used as it is and the joint 84 is to be fixed to the lower surface of the crosspiece 1, the second
As shown by the solid line in Fig. 1, it is necessary to provide a very large wall hole 3b in the wall material 3, and in order to cover the large wall hole 3b, a large repair cover 4 is required as shown in Fig. 22. This caused major problems in terms of cost and appearance.

The object of the present invention is to use a flexible fluid pipe that passes hot water, water, gas, etc., and after the wall material is erected, to connect it to construction materials such as pillars and crosspieces placed behind the wall through small wall holes. The object of the present invention is to provide a joint that can be fixed with screws.

(Means for Solving the Problems) In order to achieve the above object, the joint according to claim 1 is a joint for connecting a flexible fluid pipe for passing hot water, water, gas, etc. piped behind a wall. In order to attach the joint to the side of the column through a wall hole small enough to allow the joint installed to expose the side of the column installed vertically behind the wall to be inserted and removed, the wall is attached to the side of the column. It is characterized by having a mounting hole for inserting a mounting screw in a substantially horizontal direction from diagonally in front of the hole.

Further, in the joint according to claim 2, the joint connects a flexible fluid pipe for passing hot water, water, gas, etc. piped behind a wall, and the joint is connected to the upper surface or lower surface of a crosspiece installed horizontally behind the wall. In order to attach the joint to the top or bottom surface of the crosspiece through a wall hole small enough to allow the joint provided to expose the top or bottom of the crosspiece to be inserted or removed, it is necessary to attach the joint to the top or bottom surface of the crosspiece in an approximately vertical direction from diagonally in front of the wall hole. It is characterized by having a mounting hole for inserting a mounting screw.

(Function) In the above-mentioned joint, after the wall material is erected, even if the wall hole provided in the wall material is very small enough to allow the joint to be inserted, it is possible to insert the joint from the wall surface through the wall hole. It is easily and reliably fixed to the construction material by inserting a mounting screw into the mounting hole from diagonally in front of the wall hole on the side surface of the pillar or the top or bottom surface of the crosspiece.

(Example) (First Example) Hereinafter, a first example of a joint embodying the present invention will be described with reference to the drawings.

As shown in FIGS. 1, 2, and 3, the approximately L-shaped joint 10 is a cylindrical connection to which a flexible fluid pipe 20 for passing fluid such as hot water, water, or gas is connected. It has an opening and a female threaded portion 13 as a connection port to which a water faucet, gas tank, etc. is connected. Furthermore, a collar portion 15 is formed at the upper end of the joint 10 and has a contact surface 14 for contacting the crosspiece 1 as a construction material. Note that some of the connection ports have a male thread formed on the outer periphery, while others have a circumferential fitting groove formed like a gas connection plug.
Furthermore, some of the joints include a built-in valve for opening and closing the flow path.

Mounting screws 1 are inserted into both left and right ends of the flange 15 from an oblique direction with respect to the upper or lower surface of the crosspiece 1.
A mounting hole 17 for inserting the mounting screw 16 to the crosspiece 1 is provided in the abutting surface 14 in a vertical direction from diagonally forward so that the mounting screw 16 can be inserted therethrough.

Note that the mounting hole 17 does not have to face exactly vertically as long as it faces diagonally backward from the front. That is, the installation direction of the mounting hole 17 is determined as long as the mounting screw 16 can be inserted diagonally from the wall surface to the top or bottom surface of the crosspiece 1 through the wall hole 3a, when viewed from the front of the joint 10. The angle may be changed within a range of approximately 60 degrees to the left and right in the vertical direction, up to a total of 120 degrees.

Further, on both left and right sides of the outer circumference of the female threaded portion 13 of the joint 10, there is a cover mounting portion 19 provided with a screw hole 18 for mounting a cover 4 covering a wall hole 3a, which will be described later.
is provided.

Next, the function of the joint 10 will be explained according to the procedure of piping work.

First, the fixing crosspiece 1 as a construction material made of wood or the like is fixed horizontally along the back wall surface W as shown in FIGS. 2 and 4 before the front wall material 3 is erected. Then, the tip of the flexible fluid pipe 20, which will be piped behind the wall, is attached in advance to the lower surface of the crosspiece 1 with a wire or the like 31,
A wall material 3 is erected in front of the crosspiece 1.

Subsequently, a small wall hole 3a that is just large enough to allow the joint 10 to pass through is provided at a position corresponding to the tip of the fluid pipe 20. In addition, the wall material 3 may be erected after providing the wall hole 3a in the wall material 3,
In addition, a flexible tube that can be piped by inserting the fluid tube 20 is installed behind the wall, and the fluid tube 20 is inserted into the flexible tube to connect the fluid tube 20 to the wall material 3.
After the pipe is erected, the pipe may be inserted into the back of the wall through the wall hole 3a.

Next, as shown in FIG. 5, the plumber pulls out the flexible fluid pipe 20 from the wall hole 3a to the wall surface, connects the joint 10 to the tip of the fluid pipe 20 using a nut 26, etc. Fluid pipe 2 as shown in the figure
The joint 10 is inserted into the back of the wall through the small wall hole 3a while bending the joint 10, and the contact surface 14 of the joint 10 is brought into contact with the lower surface of the crosspiece 1, as shown in FIG. Therefore, the 8th
As shown in the figure, insert the mounting screw 16 into the mounting hole 17 provided in the collar 15 from diagonally below the front surface of the wall material 3, and screw the mounting screw 16 into the lower surface of the crosspiece 1 from the diagonal direction with a screwdriver D. 10 is fixed to the lower surface of the crosspiece 1.

At this time, since the joint 10 is provided with the mounting hole 17 diagonally in the vertical direction, for example, in the case of renovation or new construction, after the front wall material 3 is erected, a small wall hole can be opened. The joint 10 can be easily and reliably fixed to the lower surface of the crosspiece 1 via the joint 3a. In addition, since the joint 10 is fixed to the lower surface of the crosspiece 1, there is no need to provide a large wall hole 3a that exposes the front of the crosspiece 1, and unlike the conventional joint 84, the driver D cannot be operated from directly below. There is no need to provide a very large wall hole 3b. That is, there is no need to make the wall hole 3a larger than necessary for inserting the joint 10 into the back of the wall. Therefore, as shown in FIG. 9, the wall hole 3a can be covered with a cover 4 of the minimum necessary size.
It does not cause cost or appearance problems.

It should be noted that since the joint 10 is provided with a cover attachment part 19, the wall hole 3a can be attached as shown in FIG.
The cover 4 can be fixed directly to the joint 10 with screws 5.

Incidentally, as shown in FIG. 10, the joint 10 may be connected to a gas tank 8, or may be provided integrally with the joint 10. Alternatively, the joint 10 may be fixed on the top surface of the crosspiece 1 and the fluid pipe 20 may be piped upward, or the joint 10 may be fixed to the top surface of the crosspiece 1 and the fluid pipe 20 may be connected upwardly.
0 may be fixed horizontally and the fluid pipe 20 may be installed horizontally.

(Second Embodiment) Next, a second embodiment of a joint embodying the present invention will be described with reference to the drawings. In the joint 10 of the embodiment described above, the fluid pipe 20 is installed in a direction perpendicular to the construction material such as the crosspiece 1, but in the joint 110 of this embodiment, the fluid pipe is installed parallel to the construction material such as the column. It is for piping 20.

The joint 110 of this embodiment includes a connection port 11, a male threaded portion provided on the periphery of the connection port 11, and a female threaded portion 13, as in the previous embodiment. Furthermore, at the left end of the joint 110, FIG.
As shown in FIG. 2, etc., a flange portion 115 is formed that has a contact surface 114 with the pillar 2 as a construction material. A mounting hole 117 is provided at both upper and lower ends of the flange portion 115 to allow the mounting screw 16 to be inserted into the pillar 2 from diagonally forward and horizontally from the side surface of the pillar 2.

Note that the attachment hole 117 does not have to face exactly horizontally as long as it faces diagonally backward from the front. That is, the transparent direction of the mounting hole 117 is as follows.
Since it is sufficient that the mounting screw 16 can be inserted diagonally from the wall surface into the mounting hole 117 through the wall hole 3a, the range is about 60 degrees horizontally up and down each up to a total of 120 degrees when viewed from the front of the joint 110. The angle may be changed so that it tilts at .

Further, screw holes 18 for attaching the cover 4 are provided on both left and right sides of the outer circumference of the female threaded portion 13 of the joint 110.
A cover mounting portion 19 is provided.

Next, the function of the joint 110 will be explained according to the procedure of actual piping work. Pillar 2 installed in
The tip of the fluid tube 20 is attached to a wire or the like 31 against the side surface of the
Attach it by means of.

Subsequently, the front wall material 3 of the column 2 is erected, and the joint 1 is placed at a position corresponding to the tip of the fluid pipe 20.
A small wall hole 3a is formed through the wall hole 3a, which is large enough to just barely fit through the hole 3a.

Next, as shown in FIG. 12, the plumber pulls out the fluid pipe 20 from the wall hole 3a to the wall surface, and attaches a joint 110 to the tip of the fluid pipe 20 using a nut 26 or the like.
Connect the fitting 110 while bending the fluid pipe 20.
is inserted into the back of the wall through the small wall hole 3a, and the contact surface 114 of the joint 110 is brought into contact with the side surface of the column 2, as shown in FIG. Therefore, as shown in FIG. 13, insert the mounting screw 16 from the oblique front side of the wall material 3 into the mounting hole 117 provided in the collar 115, and insert a screwdriver through the small wall hole 3a as shown in FIG. The mounting screw 16 is screwed into the side surface of the column 2 by D, and the joint 110 is fixed to the side surface of the column 2. Then, the fluid pipe 20 is arranged parallel to the column 2.

At this time, since the joint 110 is provided with a horizontal diagonal mounting hole 117, a small wall hole 3a is provided after the wall material 3 is erected, and the joint 110 can be easily and securely attached to the side of the pillar 2 behind the wall. Can be fixed.

Further, as in the first embodiment, it is only necessary to provide the wall material 3 with a small wall hole 3a that is large enough to allow the joint 110 to be inserted into the back of the wall.
As shown in FIG. 7, the wall hole 3a can be covered with a small cover 4 without causing any cost or appearance problems.

It should be noted that this invention is not limited to the above-mentioned embodiments, and may be implemented by changing the number or position of the mounting holes 17, 117 as appropriate without departing from the spirit of the invention. Good too.

(Effects of the Invention) As described in detail above, in the present invention, after the wall material is erected, a screwdriver is used to insert the mounting screw inserted into the mounting hole from an oblique direction through a wall hole small enough to insert the joint. This provides an excellent effect in that the joint can be easily and reliably fixed to construction materials such as pillars, crosspieces, etc. by operation.

[Brief explanation of drawings]

1 to 9 show a first embodiment embodying the present invention, FIG. 1 is a side view of the joint showing the state in which the joint is fixed to the lower surface of the crosspiece, FIG. 2 is a front view of the joint, Figure 3 is a plan view of the joint, Figures 4 to 8 are side views of the crosspiece, wall material, wall hole, joint, fluid pipe, etc. showing how the joint is fixed to the underside of the crosspiece, and Figure 9 is a side view of the crosspiece, wall material, wall hole, joint, fluid pipe, etc. FIG. 10 is a front view of a cover that covers a wall hole, FIG. 10 is a side view showing a modification of the joint, FIGS.
The figure is a front view of the joint, Figure 12 is a side view of the joint and fluid pipe, Figures 13 to 15 are plan views of the joint showing the procedure for fixing the joint, and Figure 16 is a cover covering the joint and wall hole. FIG. 17 is a front view of a cover covering a wall hole, and FIGS. 18 to 22 are side views of the joint and wall hole, respectively, showing piping procedures using conventional joints. Explanation of symbols, 1... Crosspiece, 2... Pillar, 3... Wall material, 3a... Wall hole, 10, 110... Joint, 1
4,114...Abutting surface, 15,115...Brim part, 16...Mounting screw, 17,117...Mounting hole, 18...Threaded hole, 20...Fluid pipe.

Claims (1)

[Scope of Claims] 1. A joint for connecting flexible fluid pipes for passing hot water, water, gas, etc. piped behind a wall, the joint being installed so as to expose the side surface of a column installed vertically behind the wall. In order to attach the joint to the side of the column through a small wall hole that allows the joint to be inserted and removed, a mounting hole is provided in the side of the column for inserting the mounting screw in a substantially horizontal direction from diagonally in front of the wall hole. A fitting characterized by: 2 A joint that connects a flexible fluid pipe that runs hot water, water, gas, etc. that is piped behind a wall, and that is installed so that the top or bottom surface of a crosspiece installed horizontally behind the wall is exposed. In order to attach the joint to the top or bottom surface of the crosspiece through a wall hole small enough to be inserted or removed, a mounting hole is provided on the top or bottom surface of the crosspiece through which a mounting screw is inserted diagonally in front of the wall hole in a substantially vertical direction. A fitting characterized by: