JP2001041356A - Resinous pipe connecting adapter member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a resinous pipe connecting adapter member capable of saving connecting spaces in a work site without obstructing the installation of an extensible item. SOLUTION: The resinous pipe connecting adapter member includes a flange part 13 to be fixed to the mounting surface of the peripheral part of an opening part provided for a floor mounting surface at its middle portion, its upstream side is connected with a resinous pipe 30 at the base side of the mounting surface while being penetrated through the opening part, its down-stream side is positioned at the surface side of the mounting surface so as to be provided with a connecting part for an another fixture, and a closing valve part 11 is provided for the surface side of the mounting surface in the vicinty of the flange part 13.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a resin pipe connecting adapter member interposed between a resin pipe and a device.

[0002]

2. Description of the Related Art As shown in FIG. 6, a conventional resin pipe connecting adapter member 51 of this type is cylindrical and has one end on the periphery of an opening formed in the floor and the other end on the floor surface side. Female thread 5 to which flange 52 to be attached and water supply pipe 53 are connected
4 is provided, and a female screw portion 57 to which an adapter 56 for connecting the resin tube 55 is connected is provided on the other end side.

The water supply pipe 53 is connected to the inlet side of a water stopcock 58, and the water outlet pipe 58 is connected to a water supply pipe of a device such as a hot water mixing faucet or a connection portion 59 of a hot water supply pipe.

[0004]

However, in the structure of the conventional adapter member, the connection between the adapter and the adapter member to which the resin pipe is connected, the connection between the adapter member and the water supply pipe, the connection between the water supply pipe and the water stoppage at the construction site. A lot of connection work is required, such as connection with a tap and connection between a water stopcock and a water supply pipe of a device, and the construction is not only difficult, but also a water leakage accident is likely to occur.

Further, when the utensil is set in a box such as a vanity stand or a system kitchen, a water supply pipe is passed through a hole formed in a bottom plate of the box. Is caught in the hole in the bottom plate and hinders the installation work of the box.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a resin pipe connection adapter member which solves such inconveniences, reduces the number of connection points at a construction site, and does not hinder installation work of a box.

[0007]

In order to solve the above problems, an adapter member for connecting a resin pipe according to the present invention is fixed to a mounting surface of a peripheral portion of an opening formed on a mounting surface such as a floor in a middle part. The upstream side is provided with a connection to a resin pipe located at the back side of the mounting surface through the opening and connected to the resin tube at the back side of the mounting surface. An opening / closing valve portion is provided on the front side of the mounting surface close to the flange portion.

[0008] In this way, two connection points at the construction site are required: a connection between the resin pipe and the adapter member, and a connection between the adapter member and the water supply pipe of the appliance. Since it is provided below the adjacent mounting surface, it is possible to prevent the opening / closing valve portion from being caught in a hole formed in the bottom plate of the box.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS It is preferable that the opening / closing valve section has a ball valve structure, and the opening / closing operation section of the ball valve valve element is detachable from the valve shaft. In this case, the adapter member can be formed in a cylindrical shape. The box can be installed with the opening and closing operation unit removed, and the installation of the box can be performed extremely smoothly.

[0010]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an external appearance of a resin pipe connecting adapter according to the present invention; FIG. 2 is a sectional view of the adapter; FIG. 3 is a plan view of an adapter member, FIG. 4 is a sectional view showing another embodiment of the adapter member, and FIG. 5 is a sectional view showing still another embodiment of the adapter member.

In the figure, reference numeral A denotes a box such as a vanity stand, on which a hot water mixing faucet 2 for supplying water to a washbasin 1 is set, and a water supply hose 3 and a hot water supply hose 4 of the hot water mixing faucet 2 are set.
Extends into the box A and is connected to a resin pipe connection adapter member 8 mounted on a mounting surface 7 such as a floor through a hole 6 formed in the bottom plate 5 of the box A.

As shown in FIG. 2, the adapter member 8 is made of a copper alloy such as bronze or brass and has a tubular shape provided with a water passage 9 therein, and constitutes a connection portion with the water supply / hot water supply hoses 3 and 4. A first member 12 having an external thread portion 10 and an opening / closing valve portion 11 formed of a ball valve mechanism therein, and a female portion provided with a flange portion 13 at one end and a resin pipe connector 14 at the other end. The second member 16 provided with the screw portion 15 is integrally screwed and formed in advance at a factory.

The first member 12 has a hexagonal tool-hanging surface 17 formed on the outer periphery thereof, and the water passage 9 has a step 18 in the middle so that the connection side with the second member 16 has a large diameter. The valve seat member 19 made of synthetic resin such as Teflon is formed in this portion.
And a metal ball valve element 20.

A valve shaft 21 which engages with and opens and closes the ball valve body 20 has a through hole 22 formed in the first member 12.
And a lever handle 24 constituting an opening / closing operation unit is detachably attached to the protruding end 23.

The protruding end 23 of the valve shaft 21 and the lever handle 24 are engaged with each other, for example, in the form of a circle with two chamfers. The opening / closing valve portion 11 is opened when the lever handle 24 is parallel to the axial direction of the adapter member 8 and closed when the lever handle 24 is orthogonal.

The second member 16 is provided on the flange 1 provided above.
A plurality of screw holes 25 are provided in 3, and a two-chamfered tool hooking surface 26 is provided on the outer peripheral surface of the lower female screw portion 15.

Then, the second member 16 and the first member are screw-connected using the tool-hanging surfaces 17 and 26 so that the upper end 27 of the second member 16 abuts on the valve seat member 19 in a water-tight manner. Then, the opening / closing valve portion 11 is held near the flange portion 13.

Thus, the adapter member 8 is inserted from above the mounting hole 28 previously formed in the mounting surface 7 such as a floor, the second member 16 side thereof is inserted, and the screw screw 29 is inserted into the screw hole 25 of the flange portion 13. The adapter member 8 is fixed to the mounting surface 7 by screwing into the mounting surface 7 around the mounting hole 28.

Next, on the back side of the mounting surface 7, the resin pipe connector 14 to which the resin pipe 30 is connected is connected to the second member 16
Is screwed into the female screw portion 15 using a tool hooking surface 26.

On the front side of the mounting surface 7, the adapter member 8 is covered with a box A such as a vanity stand, and the first member 12 is inserted through the hole 6 formed in the bottom plate 5 of the adapter member 8. The connecting portion 10 is made to protrude from the surface of the bottom plate 5.

At this time, the opening / closing valve portion 11 is connected to the flange portion 1.
3, the height of the first member 12 protruding from the surface of the mounting surface 7 is kept low, and the opening / closing valve is provided in the hole 6 formed in the bottom plate 5 of the box A. The portion 11 can be prevented from being caught.

The opening / closing valve portion 11 has a ball valve structure, and the opening / closing operation portion 24 of the ball valve valve body 20 is
1, the first member 12 can be formed in a cylindrical shape and compact, and the box A can be installed with the opening / closing operation unit 24 removed, and the installation of the box A is extremely smooth. Can be done.

Thereafter, the water supply hose 3 of the hot and cold water mixing faucet 2 installed in the box A and the cap nut 31 attached to the tip of the hot water supply hose 4 are used, and the tool threading surface 17 is used for the male screw part 10 constituting the connection part. Screw connection.

As described above, the connection work sites at the site are the connection between the adapter member 8 and the resin pipe connector 14 to which the resin pipe 30 is connected, and the connection between the adapter member 8 and the water supply hose 3 or the hot water supply hose 4. As a result, the number is significantly reduced as compared with the related art.

The adapter member 8 and the resin pipe connector 14
In order to check whether there is water leakage at the connection point between the resin pipe 30 and the connection point between the resin pipe connector 14 and the resin pipe 30, the operation can be easily performed by closing the open / close valve section 11 and passing water and water pressure to the resin pipe 30. Can be done.

The first member 1 constituting the adapter member 8
Since the tool hooking surfaces 17 and 26 are provided on the second member 16 and the second member 16, respectively, not only the assembling work of the first member 12 and the second member 16 at the factory can be easily performed, but also the adapter member 8 and the The adapter member 8 is held by using the tool hooking surfaces 17 and 26 during the connection work with the resin pipe connector 14 to which the resin pipe 30 is connected and the connection work between the adapter member 8 and the water supply hose 3 or the hot water supply hose 4. By preventing the rotation, the screwing between the screw screw 29 of the flange portion 13 and the mounting surface 7 can be prevented from being loosened or removed.

Next, another embodiment shown in FIG. 4 will be described. In this embodiment, a branch connecting portion 32 different from the connecting portion 10 is slightly provided on the downstream side of the opening / closing valve portion 11 of the first member 12. To be connected to, for example, a water purifier or a dishwasher.

In this embodiment, a male screw part 33 is provided on the outer periphery of the branch connection part 32 and a connection hole 34 communicating with the water passage 9 downstream of the on-off valve part 11 is opened.

Next, a further embodiment shown in FIG. 5 will be described. In this embodiment, a check valve unit 35 and a connection portion are further provided on the male screw portion 10 of the first member 12 provided with the opening / closing valve portion 11. The adapter member 8 is formed by screw-connecting a third member 37 provided with the female one-touch coupler unit 36 integrally at a factory in advance.

Then, similarly to the first embodiment, the adapter member 8 is fixed to the mounting surface 7, and the resin pipe connector 14 to which the resin pipe 30 is connected is mounted on the back side of the mounting surface 7.
After being connected to the female screw portion 15 of the member 16, a box A such as a washstand is placed on the adapter member 8 on the front side of the mounting surface 7, and the female one-touch coupler unit 36 of the third member 37 is attached to the bottom plate 5. Protrude from the surface.

Thereafter, the male one-touch coupler unit 38 attached to the tip of the water supply hose 3 or the hot water supply hose 4 of the hot-water mixing faucet 2 installed in the box A is connected to the female one-touch coupler unit 36 with a coupler.

By connecting the first member 12, the second member 16, and the third member 37 in advance at the factory as described above, it is possible to check the presence or absence of water leakage at these connection points and to reduce the number of connection work points on site. In addition, the connection work between the water supply hose 3 or the hot water supply hose 4 of the hot and cold water mixing faucet 2 and the adapter member 8 in the particularly narrow box A can be extremely easily performed by the one-touch coupler.

As in this embodiment, the check valve unit 35 and the female one-touch coupler unit 36 are provided downstream of the on-off valve unit 11 so that if any of these units breaks down, the on-off valve is opened. The part 11 is tightened, and the third member 37 is
By removing the unit from the member 12, maintenance of these units can be easily performed.

The present invention can be variously modified without being limited to the above-described embodiment. For example, an engineering plastic may be used as a material of the adapter member.

When a one-touch coupler type branch connection portion is provided, a female one-touch coupler unit may be attached to the outlet of a Y-shaped two-pronged socket as the third member.

[0036]

As described above, the resin pipe connecting adapter member of the present invention has a flange fixed to the mounting surface of the peripheral portion of the opening formed on the mounting surface such as a floor in the middle as described above. The upstream side is located behind the mounting surface through the opening and connected to the resin pipe, and the downstream side is located on the front side of the mounting surface and has a connection to the instrument and is mounted close to the flange. The opening and closing valve part is provided on the front side of the surface, so there are only two connection points at the construction site: the connection between the resin pipe and the adapter member, the connection between the adapter member and the water supply pipe of the appliance, and the opening and closing Since the valve portion is provided below the mounting surface close to the flange portion, the opening / closing valve portion can be prevented from being caught in the hole formed in the bottom plate of the box.

If the opening / closing valve portion has a ball valve structure, and the opening / closing operation portion of the ball valve valve body is made detachable with respect to the valve shaft, the adapter member can be made cylindrical and compact, and the opening / closing operation portion is removed. The box can be installed in the state, and the installation of the box can be performed extremely smoothly.

[Brief description of the drawings]

FIG. 1 is an external perspective view showing an installed state of a resin pipe connection adapter member according to the present invention.

FIG. 2 is a sectional view of an adapter member.

FIG. 3 is a plan view of an adapter member.

FIG. 4 is a sectional view of a main part showing another embodiment of the adapter member.

FIG. 5 is a sectional view showing still another embodiment of the adapter member.

FIG. 6 is an exploded perspective view showing a conventional example.

[Explanation of symbols]

 A · · Box 1 · · Wash basin 2 · · Hot water mixing faucet 3 · · · Water supply hose 4 · · · Hot water supply hose 5 · · · Bottom plate 6 · · Hole 7 · · · Mounting surface 8 · · · Adapter member for resin pipe connection 9 ··· Water passage 10 ··· Connection part 11 ··· Opening and closing valve part 12 ··· First member 13 ··· Flange part 14 ··· Resin pipe connector 15 ··· Female thread part 16 ··· Second member 17 ··· Tool hook Surface 18 ・ Step 19 ・ ・ Seat member 20 ・ ・ Ball valve 21 ・ ・ Valve shaft 22 ・ ・ Hole 23 ・ ・ Protruding end 24 ・ ・ Opening / closing operation part 25 ・ ・ Screw hole 26 ・ ・ Tool hook Surface 27 Upper end portion 28 Mounting hole 29 Screw screw 30 Resin pipe 31 Cap nut 32 Branch connection portion 33 Male thread portion 34 Connection hole 35 Check valve unit 36 ..Female one-touch coupler unit 37..Third member 38..Male side wanta Ji coupler unit

Claims (2)

[Claims] An intermediate portion has a flange portion fixed to a surface of a mounting surface of a peripheral portion of an opening formed on a mounting surface such as a floor, and an upstream side is located behind the mounting surface through the opening. It is connected to the resin pipe, the downstream side is located on the front side of the mounting surface, the connection part to the appliance is provided, and the opening and closing valve part is provided on the front side of the mounting surface close to the flange part. Characteristic adapter member for resin pipe connection. 2. The resin pipe connection according to claim 1, wherein the opening / closing valve section has a ball valve structure, and an opening / closing operation section of the ball valve valve body is detachably attached to a valve shaft of the opening / closing valve section. Adapter member.