JP4406767B2 - Water supply piping cover - Google Patents

Description

  The present invention is fitted to the outer periphery of the water supply pipe projecting portion that protrudes forward of the wall or above the floor through the hole formed in the wall or floor, and the gap between the water supply pipe protruding portion and the hole edge of the wall or floor is formed. The present invention relates to a cover for water supply piping to be covered.

  For example, when a mixing faucet is attached to the wall of a bathroom, washroom, etc., the end of the hot water supply pipe and the end of the water supply pipe exposed through the hole in the wall and the end of the water supply pipe and the mixing faucet are usually called crank Connected by a crank-shaped pipe joint. At this time, if a gap is generated between the rear end of each pipe joint (water supply pipe protrusion) and the hole edge of the wall, the appearance is poor. Therefore, in such a case, it is a common practice to fit a water supply piping cover for covering the gap to the outer periphery of the rear end portion of the pipe joint.

  The conventional water supply piping cover has a cup shape with a screw hole in the center that can be screwed to the external thread formed on the outer peripheral surface of the rear end of the pipe joint, and the whole is pressed with a metal such as copper or stainless steel. A molded product is known (for example, see Patent Document 1 below).

However, since the conventional cover is made of metal, it is relatively expensive, and it is difficult to provide variations in color, texture, and the like.
Japanese Utility Model Publication No. 55-34566 (drawings, etc.)

  An object of the present invention is to provide a cover for a water supply pipe that is low in cost and excellent in design that can have variations in color, texture, and the like.

  The water supply pipe cover according to the present invention is fitted on the outer periphery of the water supply pipe projecting portion protruding forward of the wall or above the floor through the hole formed in the wall or floor, and the water supply pipe protrusion and the hole edge of the wall or floor The cover is made of a cup-shaped synthetic resin cover body having a water supply pipe protrusion insertion hole in the center and a male screw formed on the outer peripheral surface of the water supply pipe protrusion. A metal nut member having a female screw and concentrically fixed inside the cover main body is provided.

  According to the above cover, the cover main body occupying most of the cover is made of synthetic resin, and only the nut member fixed concentrically inside the cover main body is made of metal. Cost can be reduced compared to the cover. In addition, since it is easy to give variations such as color and texture for the cover body made of synthetic resin, for example, the color and texture of the plastic resin cover parts (handle, spout cover, shower hose) , Shower head, etc.), it is possible to provide a faucet device that is highly designable and according to the user's preference. Moreover, in the cover, since the nut member is made of metal, the operation of cutting the female screw can be performed easily and reliably, and problems such as breakage of the female screw accompanying use are unlikely to occur.

  In the present invention, the “water supply pipe” includes a hot water supply pipe for supplying hot water. The “water supply pipe protrusion” may be constituted by an end portion of a water supply pipe (including a hot water supply pipe), or may be constituted by at least a part of a pipe joint that connects the end portion of the water supply pipe and the faucet. In some cases, it may be constituted by a water inlet (including a hot water inlet) of the faucet. The “water faucet” includes not only a water faucet such as a single water faucet and a mixed water faucet, but also a water stop cock and a branch faucet.

  It is sufficient that the outer diameter of the cover main body is slightly larger than at least the diameter of the hole formed in the wall or floor, but it may be configured to be sufficiently larger than the diameter of the hole so as to be more attractive.

  The nut member may be fixed to the front end portion or the upper end portion of the cover body, that is, the edge portion of the water supply pipe protruding portion insertion hole, or may be fixed to the rear end portion or the lower end portion of the cover body. The means for fixing the nut member to the cover body is not particularly limited, but preferably, the nut member is disposed in the cover body mold and then the cover body is injection-molded to integrate the both. Performed by integral injection molding.

  1 and 2 show a first embodiment of the present invention. In this embodiment, the water supply pipe cover according to the present invention is applied when the mixing faucet is attached to the wall.

  As shown in FIG. 1 and FIG. 2, a hot water supply pipe end (4A) and a water supply pipe end (4B) exposed in front of the wall (W) through a hole (W1) drilled in the wall (W) are respectively It is connected to the hot water inlet (61A) and water inlet (61B) of the mixing faucet (6) via a crank-shaped pipe joint (5).

  The rear end of the pipe joint (5) projecting forward of the wall (W) (water supply pipe projecting part) is connected to the outer periphery of the pipe joint (5) and the hole edge (W11) of the wall (W). A water supply pipe cover (1) that covers the gap is fitted. As shown in FIG. 2, a male screw (51) is formed on the outer peripheral surface of the rear end portion of the pipe joint (5), and almost the latter half of the male screw (51) is connected to the end of the hot water supply pipe (4A) and Screwed into a female screw (41) formed in each of the water supply pipe end portions (4B).

  The cover (1) has a cup-shaped synthetic resin cover body (2) having a pipe joint insertion hole (21) in the center and a female screw (5) that is screwed to the male screw (51) of the pipe joint (5). And a metal nut member (3) fixed concentrically inside the cover body (2).

  The cover body (2) is made of a synthetic resin such as polyester, for example, and has a cross-sectional shape that gradually increases in thickness from the rear end side toward the front end side, as shown in FIG. An inward annular flange portion (22) is integrally formed at the rear end edge portion of the pipe joint insertion hole (21) in the cover body (2).

  The nut member (3) is a ring-shaped member made of a metal such as brass, for example, and is fitted into the pipe joint insertion hole (21) of the cover body (2), and its rear end surface is a flange of the cover body (2). Part (22) has received. The female screw (31) formed on the inner peripheral surface of the nut member (3) is screwed into the front half of the male screw (51) of the pipe joint (5).

  The cover body (2) and the nut member (3) are joined and integrated by performing injection molding of the cover body after the nut member is disposed in the cover body mold.

  In the cover (1), the cover body (2) made of synthetic resin includes the hot water side handle (62A), the water side handle (62B) and the water outlet cover of the mixing faucet (6) which is also made of synthetic resin. (63) has the same color and texture (for example, colored translucent) (see FIG. 1), thereby improving the design of the entire water supply piping device.

  FIG. 3 shows a second embodiment of the present invention. This embodiment is substantially the same as the first embodiment shown in FIGS. 1 and 2 except for the following points. That is, in the water supply pipe cover (1) shown in FIG. 3, an inward annular flange portion is not formed at the rear end edge of the pipe joint insertion hole (21) in the cover body (2). An annular groove (23) is formed in the middle of the peripheral surface of the hole (21). On the other hand, an outward annular flange portion (32) is integrally formed at the rear end portion of the nut member (3), and this flange portion (32) is fitted into the annular groove (23) of the cover body (2). Yes. The front end portion of the nut member (3) protrudes forward from the pipe joint insertion hole (21) of the cover body (2).

  FIG. 4 shows a third embodiment of the present invention. This embodiment is substantially the same as the first embodiment shown in FIGS. 1 and 2 except for the following points. That is, in the water supply pipe cover (1) shown in FIG. 4, the cover body (2) has substantially the same cross section, and the cover body (2) has a slightly thicker portion near the rear end. An annular inward convex portion (24) of the meat is integrally formed. On the other hand, the nut member (3) integrally has an outward annular flange portion (33) at its rear end, and is fitted inside the annular inward convex portion (24) in the cover body (2), The flange portion (33) is received by the rear end surface of the annular inward convex portion (24). That is, in the cover (1) of FIG. 4, the nut member (3) is fixed to the rear end portion inside the cover body (2).

BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view which shows the 1st Embodiment of this invention and shows the use condition of the cover for water supply piping. It is a principal part expanded vertical sectional view of FIG. The 2nd Embodiment of this invention is shown, Comprising: It is the partial expanded vertical sectional view of the cover for water supply piping. The 3rd Embodiment of this invention is shown, Comprising: It is the partial expanded vertical sectional view of the cover for water supply piping.

Explanation of symbols

(W): Wall
(W1): Hole in the wall
(W11): Hole edge (on the wall)
(1): Cover for water supply piping
(2): Cover body
(21): Pipe fitting insertion hole (water supply pipe protrusion insertion hole)
(3): Nut member
(31): Female thread
(5): Pipe fitting
(51): Male thread

Claims (1)

The water supply pipe protrusion (5) is fitted on the outer periphery of the water supply pipe protrusion (5) protruding forward of the wall (W) or above the floor through the hole (W1) drilled in the wall (W) or floor. A water supply pipe cover (1) that covers a gap with a wall or floor hole edge (W11),
A cup-shaped synthetic resin cover body (2) having a water supply pipe protrusion insertion hole (21) in the center and a male screw (51) formed on the outer peripheral surface of the water supply pipe protrusion (5). A water supply pipe cover comprising a metal nut member (3) having a female screw (31) and concentrically fixed inside the cover main body (2).

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