JP6386326B2 - Joint member - Google Patents

Description

  The present invention relates to a joint member with a seat provided with a plurality of pipe connecting portions.

  Conventionally, when installing faucet fittings on the wall surface of a room in a building, before forming the interior wall, indicate the location of the water supply / hot water supply piping in advance by making a ruled line on the structural frame or wall base, Plumbing work is performed using the ruled lines as a guide. For example, a joint member that connects a water supply / hot water supply pipe and a faucet fixture is attached with an approximate visual contact with a ruled line, or a mark is written on the seat portion of the joint member with a pen, etc. It is attached so that the mark matches the ruled line. For this reason, the attachment work of this type of joint member is very inefficient, and it takes time and labor for piping work.

  In response to such a situation, a joint with a seat in which a positioning display portion is provided in a seat portion provided in the joint member has been proposed. For example, Patent Literature 1 is provided with a horizontal display portion and a rib-shaped vertical display portion on one side of a seat, and these display portions can be attached while being positioned with respect to a ruled line. A coupling member is disclosed.

  Patent Document 2 discloses a joint member having a configuration in which a protrusion provided on the back surface of a seat is fitted into a recessed portion formed on a mounting surface for alignment.

Japanese Patent No. 3502816 JP 2012-1928 A

  Since the joint member disclosed in Patent Document 1 has a configuration in which a display portion is provided on one side of the seat, the molding die must have a complicated shape, and further, the molding die having a complicated shape. The mold has a problem that cost and labor are required for repair and maintenance for wear and damage. Further, the joint member disclosed in Patent Document 2 takes time and effort to form a recess in the mounting surface in advance, and the protrusions provided on the back surface of the seat cannot be visually recognized from the front, so it is difficult to say that workability is good. there were.

  Accordingly, the present invention has been made in view of the above-described problems, and the object of the present invention is to improve the productivity without complicating the molding die and easily align the mounting surface. An object of the present invention is to provide a seated joint member having high workability.

The solving means of the present invention for achieving the above object is based on a joint member of a synthetic resin molded article having a joint body having a plurality of pipe connecting portions and a mounting seat. For this joint member, the mounting seat is provided with a plurality of through holes and a plurality of mark protrusions, the joint body is an elbow type having a bent portion, and the mounting seat is bent of the joint body. Be bent along the part. Further, the above-configured to landmarks including the gate mark projection provided in a convex shape by filling the gate of the injection mold the projection, around the gate mark projection, a recess in which recessed allowed than the surrounding of the through hole, The concave portion is formed in a concave shape extending over the two bent surfaces on the back surface side of the mounting seat .

In order to fix the mounting seat of the joint member to an appropriate position according to this specific matter, the mounting position can be aligned using the mark protrusion provided on the mounting seat as a mark . Since the gate mark protrusion included in the mark protrusion is provided in a convex shape by the filling gate of the molding die, it is possible to easily mold the mounting seat provided with the mark protrusion without using a complicated shape molding die. Productivity and productivity.

The following is mentioned as a more concrete structure of the said joint member. That is, it is preferable that a corner is provided between the two surfaces of the recess, and the gate trace protrusion is provided at the corner .

Thus, as possible out by providing the gate traces projection to a viewer easily accessible location as a mark for alignment. When molding a mounting seat of the bent shape, by filling the gate of the mold is al provided near the corner of the mounting seat, be the fluidity of the resin material to flow well-balanced throughout the mold Can improve the quality.

Further, the mounting seat, let includes a plurality of linear projections as the mark projections, these linear projection, it is preferable to adopt a configuration provided along the thickness direction of the plate thickness surface of at least the mounting seat.

  Accordingly, the mounting seat can be easily aligned and fixed at an appropriate mounting position using the linear protrusion and the gate trace protrusion. Moreover, since the linear protrusion is provided along the thickness direction of the plate thickness surface of the mounting seat, it can be easily formed without complicating the mold design.

In the present invention, a convex gate trace projection by a filling gate of an injection mold is provided as a mark projection on a mounting seat in a joint member of a synthetic resin molded product, and the periphery of the gate trace projection is formed from the circumference of the through hole. It is also recessed and configuration. Therefore, it is possible to form a good productivity joint member without complicating the forming mold, the alignment of the mounting surface of the joint member possible to perform easy simply workability according to plumbing Can be increased.

It is a top view of the joint member concerning an embodiment of the invention. It is a bottom view of the joint member concerning an embodiment of the invention. It is the side view seen from the arrow A direction of the joint member in FIG. It is the side view seen from the arrow B direction of the joint member in FIG. It is XX sectional drawing of the coupling member in FIG. It is a perspective view of the joint member concerning an embodiment of the invention. It is a perspective view of the joint member concerning other embodiments of the present invention.

  Hereinafter, a joint member according to an embodiment of the present invention will be described with reference to the drawings.

  1 to 6 show a joint member according to an embodiment of the present invention, FIG. 1 is a plan view of the joint member, FIG. 2 is a bottom view, and FIG. 3 is a side view seen from the direction of arrow A in FIG. 4 is a side view seen from the direction of arrow B in FIG. 1, FIG. 5 is a sectional view taken along line XX in FIG. 1, and FIG. 6 is a perspective view. For convenience of explanation, the connection port side of the pipe connection portion 21 of the joint member 1 in FIG. 1 is shown as a top view in a plan view, and the contact surface side with the mounting surface of the mounting seat 3 in FIG. Although shown, the joint member 1 according to the present invention is not necessarily used in the orientation shown in these drawings, and may be used in any orientation.

  The joint member 1 includes a joint body 2 having a plurality of pipe connection portions and a mounting seat 3 that supports the joint body 2 on a mounting surface. The joint body 2 and the mounting seat 3 are synthetic resin molded products molded integrally. As the synthetic resin material, PPSU (polyphenylsulfone resin) and PPS (polyphenylene sulfide resin) excellent in impact resistance are preferable. As the mounting surface of the joint member 1, a wall surface or a floor surface of a structural frame of a building, or a side surface such as a base material provided on these surfaces is applied.

  The joint body 2 is formed in an elbow shape having a 90-degree bent portion. Such a joint body 2 can be used, for example, to connect a water supply / hot water supply pipe. In the illustrated embodiment, the joint body 2 has a pipe for connecting a faucet connection part 21 for connecting a pipe opening of a faucet instrument and a synthetic resin pipe such as a water supply / hot water supply pipe as a pipe connection part. And a connecting portion 23.

  The faucet connection portion 21 is fitted with a female female screw member 22 so that a faucet device can be screw-connected. A member such as a one-touch joint or a cap nut connected by inserting a resin pipe is installed on the pipe connection portion 23. The pipe connection portion 23 has a plurality of seal grooves 24 formed therein.

  As shown in FIG. 6, the mounting seat 3 formed integrally with the joint body 2 has a bent shape along the bent portion of the joint body 2. The attachment seat 3 is for attaching the joint body 2 to the attachment surface, and is a plate-like material having a thickness. In this embodiment, the mounting seat 3 is provided with seats in two directions orthogonal to the joint body 2 and is formed in a substantially L-shaped cross-sectional shape.

  The mounting seat 3 has a plurality of through holes 31 for screwing the fasteners. The through hole 31 is a circular hole that penetrates the mounting seat 3 in the plate thickness direction, and can be used by penetrating a fastening tool such as a countersunk screw. These through-holes 31 are equally arranged on both sides of the joint body 2 with respect to the axis of the joint body 2 so as to be axially symmetric.

  A fastening tool (not shown) is inserted into the through hole 31 from the surface side of the mounting seat 3. Then, the mounting seat 3 is screwed and fixed by screwing the fastening tool into the mounting surface such as the wall surface or the base material 4. The fastening device is not particularly limited, and may be any screw, screw, screw nail, or simple nail.

  In the mounting seat 3, the through hole 31 is provided with a chamfered edge so as to accommodate the head of the fastening device. Thereby, it can prevent that the head of fastening tools, such as a countersunk screw, is excessively pressed by the through-hole 31, and can suppress the damage around the through-hole 31. FIG. Further, a concave groove 32 is provided adjacent to each through hole 31. Thereby, the load applied to the mounting seat 3 when the fastening tool is screwed can be reduced.

  The mounting seat 3 is integrally injection-molded together with the joint body 2 using a molding die provided with a gate for injection-filling molten resin. In addition to the plurality of through holes 31, the mounting seat 3 is provided with a plurality of mark protrusions for alignment with the mounting position.

  Among the plurality of mark protrusions, the mark protrusion corresponding to either the vertical axis direction or the horizontal axis direction of the mounting position is provided as a convex gate mark protrusion 34 by the protrusion formed by the gate of the molding die. ing. In addition, a recess 35 that is recessed from the periphery of the through hole 31 is provided around the gate trace protrusion 34.

  As described above, the mounting seat 3 is bent along the bent portion of the joint body 2 and has the corner 33. In the corner portion 33, a gate of a molding die is provided at a location corresponding to a substantially central portion in the width direction. Thereby, columnar protrusions by the gates are formed at the corners 33 on the bottom surface (back surface side) where the mounting seat 3 contacts the mounting surface. The gate mark protrusion 34 is formed as a mark for alignment by cutting the columnar protrusion by the gate to adjust the protrusion amount.

  The recess 35 is provided around the gate trace protrusion 34 at a depth corresponding to the protrusion amount of the gate trace protrusion 34. As shown in FIGS. 5 and 6, the concave portion 35 is formed in a concave shape on the bottom surface (back surface) side of the mounting seat 3 so as to straddle two surfaces sandwiching the corner portion 33. Further, the recess 35 is formed in a range not reaching the periphery of the through hole 31 on the back surface side of the mounting seat 3.

  By providing the recess 35 on the back surface side of the mounting seat 3 in this way, the gate trace projection 34 can be formed even if the protruding amount of the gate trace projection 34 is suppressed to a height that is substantially flush with the back surface of the mounting seat 3. It can be formed as a convex body that can be sufficiently visually observed as a mark. Further, the gate mark protrusion 34 is formed by cutting the mounting seat 3 and then cutting the edge of the columnar protrusion formed by the gate. At this time, since the concave portion 35 is provided in the mounting seat 3, the cutting blade directly reaches the columnar protrusion by the gate and is prevented from contacting other places on the back surface of the mounting seat 3. Thereby, the gate trace protrusion 34 can be formed with good accuracy.

  Further, the mounting seat 3 includes a plurality of linear protrusions 36 as mark protrusions corresponding to the other of the mounting position in the vertical axis direction or the horizontal axis direction. These linear protrusions 36 are linearly provided along at least the thickness direction of the plate thickness surface (side surface) of the mounting seat 3.

  The linear protrusion 36 is provided on the plate thickness surface of the mounting seat 3, which is a surface parallel to the axis of the joint body 2. The plurality of linear protrusions 36 are arranged to face each other so as to be axially symmetric with respect to the axis of the joint body 2.

  That is, in the joint member 1 shown in FIG. 1, the pair of linear protrusions 36 is axially symmetric with respect to the central axis M of the faucet connection portion 21 of the joint body 2 in plan view (symmetric in FIG. 1). It is provided at the position. Further, as shown in FIG. 3, another set of linear protrusions 36 is provided at a position that is axially symmetric (left-right symmetric in FIG. 3) with respect to the central axis N of the pipe connection portion 23 in a side view. ing.

  An imaginary line connecting these linear protrusions 36 facing each other crosses the axis of the joint body 2 in a cruciform shape, with respect to a plane including the axis of the joint body 2 and the center of the gate trace protrusion 34. It is provided to be orthogonal.

  As a result, in the joint member 1, when the flow path direction of the pipe connection portion 23 is the vertical axis direction and the flow passage direction of the faucet connection portion 21 orthogonal to this is the horizontal axis direction, the gate trace protrusion 34 is located at the mounting position. It can be used as a mark corresponding to the vertical axis direction. Further, the plurality of linear protrusions 36 can be used as marks corresponding to the horizontal axis direction of the attachment position.

  As shown in FIG. 6, the position of the gate mark protrusion 34 and the line protrusion 36 of the mounting seat 3 is aligned with the cross-shaped ruled line indicating the mounting position drawn on the wall surface, etc. It can be positioned at a suitable mounting position. And the attachment work of the joint member 1 can be easily performed in the state positioned with respect to the ruled line by fixing the attachment seat 3 with the fastening tool through the through hole 31 of the attachment seat 3.

  As described above, the gate mark protrusion 34 is formed by post-processing the columnar protrusion by the gate, so that it does not require a complicated mold design, and it is also necessary for repair and maintenance of the mold. Such costs and labor can be reduced.

  In the joint member 1, the gate mark protrusion 34 and the linear protrusion 36 as the mark protrusions are not limited to the above-described forms, and can be configured in various forms. FIG. 7 is a perspective view showing another embodiment of the joint member 1. In this case, the linear protrusion 36 is provided so as to extend from the plate thickness surface to the surface of the mounting seat 3. Thereby, when positioning the mounting seat 3 at the mounting position, the linear protrusion 36 can be easily seen, and alignment with the ruled line can be performed more easily.

  In the present invention, the mounting seat 3 in the joint member 1 is not limited to the illustrated bent shape, and may be formed in a substantially rectangular flat plate shape. Further, the position of the gate mark protrusion 34 in the mounting seat 3 corresponds to either the vertical axis direction or the horizontal axis direction of the mounting position, and is described above if it is a position where the flowing resin at the time of molding can flow in a balanced manner. It is not restricted to a form, You may provide in the other position of the attachment seat 3. FIG. The concave portion 35 of the mounting seat 3 may be formed in any manner as long as it is provided as a concave portion that is recessed from the bottom surface of the mounting seat 3 around the gate trace protrusion 34.

  The present invention can be suitably used as a joint member used for connecting pipes.

DESCRIPTION OF SYMBOLS 1 Joint member 2 Joint main body 21 Water faucet connection part 22 Female screw member 23 Pipe connection part 24 Seal groove 3 Mounting seat 31 Through-hole 32 Recessed groove 33 Corner | angular part 34 Gate trace protrusion 35 Recessed part 36 Linear protrusion

Claims (3)

A joint member of a synthetic resin molded article having a joint body having a plurality of pipe connection portions and a mounting seat,
The mounting seat includes a plurality of through holes and a plurality of mark protrusions,
The joint body is an elbow type having a bent portion, and the mounting seat has a bent shape along the bent portion of the joint body,
The indicia on the protrusion includes a gate mark projection provided in a convex shape by filling the gate of the injection mold, around the gate mark projection, recess recessed allowed than the surrounding of the through hole is provided,
The joint is characterized in that the concave portion is formed in a concave shape on the back surface side of the mounting seat so as to straddle the two surfaces of the bent shape . The joint member according to claim 1,
The joint is characterized in that the recess is formed with a corner between two surfaces, and the gate trace protrusion is provided at the corner. In the joint member according to claim 1 or 2,
The mounting seat is provided with a plurality of linear projections as the mark projections, these linear projections, coupling members, characterized in that provided along the thickness direction of the plate thickness surface of at least the mounting seat.

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