JP7109078B2 - floor drain trap - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor drain trap attached to a floor or the like.

A floor drain trap is used when draining water from an electric washing machine or the like guided by a drain hose under the floor. The floor drain trap not only drains the drain water, but also has the function of storing a part of the drain water to secure a water seal, thereby preventing backflow of odors. The floor drain trap is connected to a drain pipe raised in a pilot hole formed in the floor plate and attached so as to close the pilot hole.

The applicant of the present application has proposed a floor drain trap with improved operability when attaching or detaching a hose joint to which a drain hose is connected (see Patent Document 1). This floor drain trap has a floor fixing member to which a hose joint is connected and fixed to a floor board, and a cover member which is slidably attached to the floor fixing member. By attaching the cover member to the floor fixing member, the hose joint is pressed against the floor fixing member. The floor fixing member has a connecting portion connected to the drain pipe, and a flange portion to which the cover member is slidably attached. The flange portion has a shape that expands outward from the connecting portion and is larger than the connecting portion. The flange portion is integrally formed with the connection portion and screwed to the floorboard.

Patent No. 5016361

Floor materials such as cushion floors and floor tiles are laid on the floorboards. If the floorboards themselves are visible around the floor drain trap, the aesthetics are spoiled. For this reason, when constructing a floor drain trap, a hole large enough to allow passage of the connecting portion of the floor fixing member but not allow passage of the flange portion is formed in the floor material. is sandwiched between the floor fixing member and the floor board.

Existing flooring may be replaced with new flooring. Since the flange portion of the floor fixing member is larger than the connecting portion, when replacing the floor material, if a hole large enough to allow the flange portion to pass through is formed in the floor material, the area around the floor drain trap The floor board itself is visible in the space, and the beauty is spoiled. Therefore, the drain pipe is cut, the floor drain trap is temporarily removed, the floor material is replaced, and then the floor drain trap is reconnected to the drain pipe.

However, work such as cutting the drain pipe and reconnecting the floor drain trap to the drain pipe is necessary, and the work of replacing the floor material is complicated.

Accordingly, an object of the present invention is to further improve the floor drainage trap proposed earlier by the applicant of the present application in which the operability of attaching and detaching the hose joint is improved, and to facilitate the work of replacing the floor material. It is to provide a trap.

A floor drainage trap according to the present invention for achieving the above object is a floor drainage trap for discharging drainage guided by a drainage hose into a drainage pipe erected in a lower hole of a floor plate, wherein the drainage hose is connected. a floor fixing member to which the hose joint is connected and fixed to the floor plate; a cover member attached to the floor fixing member by sliding movement and pressing the hose joint against the floor fixing member; and a water seal held by the member. The floor fixing member includes a connection portion to which the hose joint is detachably connected and to the drain pipe, and a flange portion which is detachably connected to the connection portion and to which the cover member is slidably attached. have The flange portion is divided into a plurality of component pieces, and each component piece is detachably screwed to the floor plate.

In the floor drain trap of the present invention, the connection portion and the flange portion of the floor fixing member are detachable, and the flange portion is divided into a plurality of constituent pieces. By releasing the screw fastening of each component piece of the flange portion to the floor plate, the component pieces of the flange portion can be removed from the connection portion and the floor plate while the connection portion remains connected to the drain pipe. When replacing the existing floor material laid on the floor board with a new floor material, it is not necessary to cut the drain pipe or reconnect the floor drain trap to the drain pipe. In addition, since it is sufficient to form a hole in the new floor material that is large enough to allow the connection part connected to the drain pipe to pass through, the floor board itself is not visible around the floor drain trap, which is aesthetically pleasing. unimpaired. Therefore, it is possible to provide an improved floor drain trap that facilitates the work of replacing the floor material while maintaining the operability of attaching and detaching the hose joint.

1 is an exploded perspective view of a floor drain trap according to one embodiment of the present invention; FIG. Fig. 2 is a perspective view showing the assembled floor drain trap; Fig. 2 is a cross-sectional view showing a floor drain trap; 4(A) and 4(B) are perspective views showing the floor fixing member of the floor drain trap, and FIG. FIG. 4B is a perspective view showing a state in which the component pieces of the flange portion are attached to the connection portion. FIG. 5(A) is a plan view showing the floor fixing member of the floor drain trap in a state in which the connection portion and the constituent pieces of the flange portion are separated, and FIG. 5(B) is 5B-5B of FIG. 5(A). FIG. 5(C) is a cross-sectional view taken along line 5C--5C of FIG. 5(A). FIG. 6(A) is a cross-sectional view along line 6A-6A in FIG. 5(A), and FIG. 6(B) is a state in which the constituent piece of the flange portion is attached to the connecting portion from the state in FIG. 6(A). It is a cross-sectional view showing the.

Hereinafter, embodiments of the present invention will be described with reference to the attached drawings. In the description of the drawings, the same elements are denoted by the same reference numerals, and overlapping descriptions are omitted. The size and ratio of each member in the drawings may be exaggerated for convenience of explanation and may differ from the actual size and ratio.

1-3, a floor drain trap 100 according to one embodiment of the present invention is described. The floor drainage trap 100 is used to discharge the drainage guided by the drainage hose 110 to the raised drainage pipe 130 of the prepared hole 121 of the floor plate 120 . The floor drain trap 100 is generally composed of a hose joint 10 to which a drain hose 110 is connected, a floor fixing member 40 to which the hose joint 10 is connected and fixed to a floor board 120, and a floor fixing member 40 which is slidably attached. It has a cover member 60 for pressing the hose joint 10 against the floor fixing member 40 and a water seal tube 70 held by the floor fixing member 40. - 特許庁The floor fixing member 40 includes a connecting portion 41 to which the hose joint 10 is detachably connected and to which the drain pipe 130 is connected, and a flange portion which is detachably connected to the connecting portion 41 and to which the cover member 60 is slidably attached. 42. The flange portion 42 is divided into a plurality of structural pieces 43 and 44, and the respective structural pieces 43 and 44 are detachably screwed to the floor plate 120. As shown in FIG. The configuration of the floor drain trap 100 will be described in detail below.

The hose joint 10 has an elbow shape, and a drain hose 110 of a washing machine is connected to the end of the horizontal part. A vertical cylindrical portion 11 extends below the hose joint 10 and is provided with a flange 12 on its outer periphery. The hose joint 10 is preferably made of elastomer and is integrally molded. Soft rubber, soft synthetic resin, etc. can be used as the elastomer.

The hose joint 10 is watertightly attached to the floor anchoring member 40 by means of a ring 20 and an annular seal 30 .

The ring 20 consists of two members 21,22. A ring 20 surrounds the vertical cylindrical portion 11 of the hose joint 10 with the two members 21 , 22 engaged and is located on the upper surface of the flange 12 . Reference numeral “23” indicates the upper surface of the upper step portion of the member 21 of the ring 20 .

The annular seal 30 is made of rubber, preferably EPDM. The shape of the annular seal 30 may be a flat washer shape, a flat washer shape with a convex cross section, or an O-ring.

4 to 6, the floor fixing member 40 has a connecting portion 41 and a flange portion 42 detachably connected to the connecting portion 41. As shown in FIG. The connection part 41 has a hollow cylindrical shape, and the hose joint 10 is detachably connected to the upper opening. The inner peripheral surface of the drain pipe 130 is connected to the outer peripheral surface of the connecting portion 41 (see FIG. 3). The connecting portion 41 is connected to the drain pipe 130 with an adhesive. The connecting portion 41 extends downward from the lower surface of the flange portion 42 . As shown in FIGS. 3 and 6A and 6B, an annular stepped portion 41a is formed at the lower end of the inner peripheral surface of the connecting portion 41. As shown in FIGS. An annular stepped portion 41 b is also formed at a substantially intermediate portion in the height direction of the inner peripheral surface of the connecting portion 41 .

The flange portion 42 of the floor fixing member 40 has a substantially rectangular planar shape with rounded corners. The cover member 60 can be slidably mounted on the flange portion 42 . The flange portion 42 is divided into a plurality of component pieces 43 and 44 . The illustrated flange portion 42 is divided into two pieces, and has a first constituent piece 43 and a second constituent piece 44 . Two screw holes 45 are formed in the first component piece 43 , and two screw holes 45 are also formed in the second component piece 44 . Each of the first component piece 43 and the second component piece 44 is screwed to the floor plate 120 by inserting screws such as countersunk screws (not shown) into the respective screw holes 45 and screwing them in. As shown in FIG. By removing the screws, each of the first component piece 43 and the second component piece 44 can be removed from the floor plate 120 . Each screw hole 45 extends to have an elongated hole shape on the same circumference. With such a shape, when the flange portion 42 is temporarily removed for renovation or the like and then the flange portion 42 is screwed again, the screw fastening position can be shifted in the elongated hole. Therefore, it is possible to prevent the mounting strength of the flange portion 42 from being lowered. In addition, since the flange portion 42 has a rectangular shape, fixing the flange portion 42 in a state where the angle is deviated from the predetermined direction spoils the appearance. By forming each screw hole 45 into the above-described shape, it is possible to easily adjust the angle of the square-shaped flange portion 42 at the time of mounting, and the aesthetic appearance is not spoiled.

Each of the first component piece 43 and the second component piece 44 of the flange portion 42 has clamping portions 51 and 52 capable of clamping the connecting portion 41 having a cylindrical shape from the outside in the radial direction. The first component piece 43 and the second component piece 44 face each other and sandwich the connecting portion 41 . The holding portion 51 of the first component piece 43 has a pair of arms 53a and 53b that are spaced apart, and the holding portion 52 of the second component piece 44 similarly has a pair of arms 54a that are spaced apart. , 54b. Inner peripheral edges 55 and 56 connecting the pair of arms 53a and 53b and 54a and 54b have a semicircular arc shape. The connecting portion 41 is clamped from the radially outer side by the inner peripheral edges 55 and 56 of the arms 53a and 53b, and 54a and 54b. A pair of arms 53 a and 53 b of the first component piece 43 face a pair of arms 54 a and 54 b of the second component piece 44 . Engagement pins 57 are protrudingly formed at the tips of the arms 54a and 54b of the second component piece 44, and engagement recesses into which the engagement pins 57 are fitted at the tips of the arms 53a and 53b of the first component piece 43. 58 is recessed (see FIGS. 5A and 6A). The first component piece 43 and the second component piece 44 are aligned and assembled by fitting the engagement pin 57 and the engagement recess 58 .

The connecting portion 41 has a convex portion 46 projecting outward at a position above the floor plate 120 . The first component piece 43 and the second component piece 44 have recesses 47 that support the projections 46 of the connecting portion 41 . The illustrated convex portion 46 has a flange shape formed along the entire circumference of the upper edge of the connecting portion 41 . A portion including the convex portion 46 has the maximum outer diameter of the connecting portion 41 . As shown in FIG. 6, the outer peripheral surface of the convex portion 46 is formed into a downward inclined surface 46a. A recess 47 of each component piece 43, 44 is formed on an upward inclined surface 47a. The connecting portion 41 is supported by the flange portion 42 by the protrusions 46 being supported by the recesses 47 of the component pieces 43 and 44 . As a result, when the flange portion 42 is connected to the connection portion 41 , the connection portion 41 does not come off from the flange portion 42 .

The first component piece 43 is formed with a pressing portion 48 that contacts the upper surface of the convex portion 46 of the connecting portion 41 . The pressing portion 48 prevents the connection portion 41 from being lifted from the flange portion 42 when the flange portion 42 is connected to the connection portion 41 .

The first component piece 43 and the second component piece 44 are divided in the direction in which the cover member 60 is slid (see FIG. 1). That is, the dividing direction of the flange portion 42 and the sliding movement direction of the cover member 60 are aligned. The movement of the operator's hand when forming the flange portion 42 by butting the first component piece 43 and the second component piece 44 and the movement of the operator's hand when assembling the cover member 60 to the flange portion 42 are different. the same direction. Therefore, the workability of forming the flange portion 42 and the work of assembling the cover member 60 to the flange portion 42 is improved.

End portions of two opposing sides of the flange portion 42 constitute guide rails 49 (see FIG. 4). The guide rail 49 is formed by a first rail piece 49 a of the first component piece 43 and a second rail piece 49 b of the second component piece 44 . A step is formed on the upper surface of the flange portion 42 . The upper surface 42a of the upper stage and the upper surface 42b of the lower stage are configured to have different heights. The upper surface 42b of the lower portion is flat, and the cover member 60 slides thereon. The shape and thickness of the upper step portion are formed so as to correspond to the thickness and shape of the cover member 60 when it is attached.

The cover member 60 has a substantially rectangular planar shape. The cover member 60 is provided with U-shaped engaging portions 61 on two opposing sides (see FIG. 1). The engaging portion 61 of the cover member 60 engages with the guide rail 49 of the flange portion 42 . The cover member 60 slides along the guide rails 49 and is attached to the flange portion 42 . When attaching the cover member 60, for example, the rear end portion 62 is pressed with a finger or the like and slid. When removing the cover member 60, for example, the claw portion 63 is pressed with a finger or the like and slid. Reference numeral “64” indicates the edging of the cover member 60 . A rim 64 of the cover member 60 is formed concentrically corresponding to the member 22 of the ring 20 . When the cover member 60 is slid along the guide rail 49 , the cover member 60 rides on the ring 20 .

The water seal tube 70 is composed of a throat 71 and a cup 72 . As shown in FIG. 3 , the cup 72 has a stepped portion 74 formed in the upper portion of the opening 73 , and the throat 71 has a stepped portion 75 that fits into the stepped portion 74 of the cup 72 . The water seal tube 70 with the throat 71 fitted inside the cup 72 is held by the annular stepped portion 41 a of the floor fixing member 40 . The water sealing tube 70 can rotate 360 degrees while in contact with the inner peripheral surface of the connecting portion 41 of the floor fixing member 40 . After flowing down the inside of the throat 71 , the waste water flowing in from the hose joint 10 flows upward in the space formed between the throat 71 and the cup 72 and flows out from the opening 73 of the cup 72 .

Although the material for forming each component of the floor drain trap 100 is not particularly limited, the floor fixing member 40, the cover member 60, the water sealing tube 70, and the like are made of, for example, a synthetic resin material.

The operation of this embodiment will be described. First, construction of the floor drain trap 100 will be briefly described.

As shown in FIG. 3 , the drain pipe 130 is raised up to the height of the pilot hole 121 of the floor plate 120 . A floor material 140 such as a cushion floor or a floor tile is laid on the floor board 120 . The hole 141 of the flooring 140 has a size that allows passage of a portion of the connecting portion 41 having the largest outer diameter, that is, a portion including the convex portion 46 . The connection part 41 of the floor fixing member 40 is passed through the hole 141 of the flooring 140 and the pilot hole 121 of the floor board 120 and connected to the upper end of the drain pipe 130 with an adhesive.

The first component piece 43 and the second component piece 44 of the flange portion 42 are opposed to each other with the connecting portion 41 interposed therebetween (see FIGS. 4A and 6A). The first component piece 43 and the second component piece 44 are brought closer to the connecting portion 41, and the connecting portion 41 is sandwiched from the outside in the radial direction by the inner peripheral edges 55 and 56 of the arms 53a and 53b, and 54a and 54b (FIG. 4B). ), see FIG. 6(B)). At this time, the first component piece 43 and the second component piece 44 are aligned and assembled by fitting the engagement pin 57 and the engagement recess 58 .

The projections 46 of the connection portion 41 are supported by the recesses 47 of the constituent pieces 43 and 44, so that the connection portion 41 does not drop off from the flange portion 42. - 特許庁Further, since the pressing portion 48 of the first component piece 43 contacts the upper surface of the convex portion 46 of the connection portion 41, the connection portion 41 is not lifted from the flange portion 42 (see FIGS. 3 and 6B). .

Screws are passed through the respective screw holes 45 of the first component piece 43 and the second component piece 44 , and the first component piece 43 and the second component piece 44 are respectively screwed to the floor plate 120 . The connecting portion 41 and the flange portion 42 are connected to form the floor fixing member 40 . The floor material 140 is sandwiched between the floor fixing member 40 and the floor board 120 . The floor board 120 itself is not seen around the floor fixing member 40, and the beauty is not spoiled.

The water sealing tube 70 is accommodated inside the connection portion 41 of the floor fixing member 40 and held by the annular stepped portion 41a. The annular seal 30 is accommodated inside the connecting portion 41 and placed on top of the water sealing tube 70 . The ring 20 is placed on the upper surface of the flange 12 of the hose joint 10 and housed inside the connecting portion 41 .

When the cover member 60 is slid along the guide rail 49, the cover member 60 rides on the ring 20 to generate a tightening force. This clamping force is transmitted to flange 12 via ring 20 . The lower surface of the flange 12 presses the annular seal 30, and the annular seal 30 makes the space between the lower surface of the flange 12 and the annular stepped portion 41a of the floor fixing member 40 watertight.

Next, the operation of replacing the existing flooring 140 with a new flooring 140 will be described.

First, the cover member 60 is slid along the guide rails 49 and removed from the floor fixing member 40 . The ring 20, the hose joint 10, the annular seal 30, and the water sealing tube 70 are removed from the interior of the connecting portion 41 in order.

The screw fastening of the first component piece 43 and the second component piece 44 in the flange portion 42 to the floor plate 120 is released. The connection portion 41 and the flange portion 42 are detachable, and the flange portion 42 is divided into two component pieces 43 and 44 . The first component piece 43 and the second component piece 44 can be removed from the connection portion 41 and the floor plate 120 while the connection portion 41 remains connected to the drain pipe 130 .

The hole 141 of the flooring 140 has a size that allows the portion of the connecting portion 41 including the protrusion 46 to pass therethrough. Therefore, the existing floor material 140 can be easily peeled off from the floor board 120 while the connecting portion 41 is still connected to the drain pipe 130 .

A new floor material 140 is formed with a hole 141 large enough to allow a portion of the connecting portion 41 including the projection 46 to pass therethrough. The connecting portion 41 that remains connected to the drain pipe 130 is passed through the hole 141 of the flooring 140 . A floor material 140 is laid on the floor board 120 .

After that, the same work as in the construction of the floor drain trap 100 is performed. That is, the connection portion 41 is held from the radially outer side by the first component piece 43 and the second component piece 44 of the flange portion 42 , and the first component piece 43 and the second component piece 44 are respectively screwed to the floor plate 120 . . After setting the water sealing tube 70, the annular seal 30, the hose joint 10, and the ring 20, the cover member 60 is slid along the guide rail 49, and the hose joint 10 is connected to the floor fixing member 40 in a watertight state.

In this way, when replacing the existing floor material 140 laid on the floor board 120 with a new floor material 140, the drain pipe 130 is cut off or the floor drain trap 100 is reattached to the drain pipe 130. No connection work is required. In addition, since it is sufficient to form a hole 141 large enough to pass the connecting part 41 connected to the drain pipe 130 in the new flooring 140, the floor board 120 itself can be seen around the floor drain trap 100. There is no damage and the beauty is not compromised. Therefore, it is possible to easily replace the floor material 140 while maintaining the operability of attaching and detaching the hose joint 10 .

As described above, the floor drain trap 100 of the present embodiment includes the hose joint 10, the floor fixing member 40, the cover member 60, and the water sealing tube 70. The floor fixing member 40 has the hose joint 10 It has a connecting portion 41 that is detachably connected and connected to the drain pipe 130, and a flange portion 42 that is detachably connected to the connecting portion 41 and to which the cover member 60 is slidably attached. The flange portion 42 is divided into a first component piece 43 and a second component piece 44, and the first and second component pieces 43 and 44 are detachably screwed to the floor plate 120, respectively.

The connecting portion 41 and the flange portion 42 of the floor fixing member 40 are detachable, and the flange portion 42 is divided into a first constituent piece 43 and a second constituent piece 44 . By releasing the screw fastening of the first component piece 43 and the second component piece 44 of the flange portion 42 to the floor plate 120, the component piece 43 of the flange portion 42 can be removed while the connection portion 41 remains connected to the drain pipe 130. , 44 can be removed from the connection 41 and the floorboard 120 . When replacing the existing floor material 140 laid on the floor board 120 with a new floor material 140, the drain pipe 130 is cut off or the floor drain trap 100 is reconnected to the drain pipe 130. No work is required. In addition, since it is sufficient to form a hole 141 large enough to pass the connecting part 41 connected to the drain pipe 130 in the new flooring 140, the floor board 120 itself can be seen around the floor drain trap 100. There is no damage and the beauty is not compromised.

The connection portion 41 has a tubular shape, and the first component piece 43 and the second component piece 44 of the flange portion 42 have clamping portions 51 and 52 capable of clamping the connection portion 41 from the outside in the radial direction.

By configuring in this way, the flange portion 42 can be detachably connected to the connection portion 41 .

The connection portion 41 has a convex portion 46 projecting outward at a position above the floor plate 120 , and the first component piece 43 and the second component piece 44 of the flange portion 42 are formed on the convex portion of the connection portion 41 . It has a recess 47 that supports 46 .

By configuring in this way, when the flange portion 42 is connected to the connection portion 41 , the connection portion 41 does not come off from the flange portion 42 .

The first component piece 43 and the second component piece 44 of the flange portion 42 are divided in the direction in which the cover member 60 is slidably moved.

With this configuration, the direction in which the flange portion 42 is divided and the direction in which the cover member 60 slides are aligned. The movement of the operator's hand when assembling the part 42 is in the same direction. Therefore, the workability of forming the flange portion 42 and the work of assembling the cover member 60 to the flange portion 42 can be improved.

The present invention is not limited to the embodiments described above and can be modified as appropriate. For example, although the embodiment has been described in which the flange portion 42 is divided into two component pieces 43, 44, the flange portion 42 can be divided into three or more component pieces.

10 hose joints,
20 rings,
30 annular seal,
40 floor fixing member,
41 connections,
41a annular stepped portion,
41b annular stepped portion,
42 flange portion,
42a upper surface,
42b upper surface,
43 first component piece,
44 second component piece,
45 screw holes,
46 convex part,
46a inclined surface,
47 recesses,
47a inclined surface,
48 holding part,
49 guide rails,
49a first rail piece,
49b second rail piece,
51, 52 holding portion,
53a, 53b arms,
54a, 54b arms,
55, 56 inner peripheral edge,
60 cover member,
70 sealed water bottle,
71 Throat,
72 cups,
73 openings,
100 floor drain trap,
110 drain hose,
120 floorboards,
121 floorboard hole,
130 drain pipe,
140 flooring,
141 Holes in flooring.

Claims (4)

In a floor drainage trap that discharges the drainage guided by the drainage hose to the drainage pipe raised by the prepared hole of the floor plate,
a hose joint to which the drainage hose is connected;
a floor fixing member to which the hose joint is connected and fixed to the floor plate;
a cover member that is slidably attached to the floor fixing member and presses the hose joint against the floor fixing member;
a sealed water tube held by the floor fixing member;
The floor fixing member is
a connecting portion to which the hose joint is detachably connected and to which the drain pipe is connected;
a flange portion that is detachably connected to the connection portion and to which the cover member is attached by sliding movement;
A floor drain trap, wherein the flange portion is divided into a plurality of component pieces, and each component piece is detachably screwed to the floor plate. 2. The floor drain trap according to claim 1, wherein said connecting portion has a cylindrical shape, and said constituent pieces of said flange portion have clamping portions capable of clamping said connecting portion from outside in a radial direction. The connection portion has a convex portion that protrudes outward at a position above the floor plate,
3. A floor drain trap according to claim 1 or claim 2, wherein said component piece of said flange portion has a recess for supporting said protrusion of said connecting portion. The floor drain trap according to any one of claims 1 to 3, wherein the constituent pieces of the flange portion are divided in the direction of sliding movement of the cover member.

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