JP4955046B2 - Drain trap - Google Patents

Description

  The present invention relates to a drain trap.

  FIG. 8 shows a conventional drain trap. This drain trap includes an elbow 72 on the upper portion of the disk-shaped substrate 71 and a cylindrical casing 73 in which a cylindrical shooter 74 is fitted.

  The cylindrical casing 73 is fitted in a drain pipe 75 whose upper end is attached to the disk-shaped substrate 71. A circular drainage channel 77 is provided between the cylindrical casing 73 and the shooter 74, and a plurality of drainage window holes 78 communicating with the drain pipe 75 are provided in the upper peripheral portion of the cylindrical casing 73. It has been.

As shown in FIG. 8, for example, flowing water M (arrow) flowing into the elbow 72 from the drainage hose of the washing machine flows into the cylindrical casing 73 through the shooter 74, and passes through the drainage path 77 having a circular shape from the bottom 76. Ascending and draining from the drainage window hole 78 to the drain pipe 75.
JP-A-9-209431

  In the above drain trap, as shown in FIG. 8, the flowing water M flowing down straight with respect to the casing 73 collides vertically with the substantially horizontal bottom 76 and then rises around the circular drainage channel 77. Then, it collides with the inner wall of the drainage pipe 75 from the drainage window hole 78 in a substantially orthogonal shape.

  As described above, the collision of the flowing water M with the wall 76 of the casing bottom and the drain pipe 75 causes a large impact pressure to act on the water flow, and does not allow the drainage resistance to increase. There were disadvantages such as extremely poor drainage efficiency.

The present invention solves the above-described problems, and both the collision resistance of the inflow water in the housing and the collision resistance of the outflow water to the drain pipe are small, and the flowing water speed is not reduced, so that smooth drainage can be realized. At the same time, it aims to provide a drain trap having a high drainage efficiency and a large drainage amount.

In order to achieve this object, the drain trap of the present invention has the following configuration.
The drain trap has a housing with a shooter fitted in the lower part of the installation body, and this housing is fitted in a drain pipe. The drainage trap is installed at the bottom of the housing and flows down from the shooter. Drainage resistance suppression means for branching water into opposite water flows at oppositely inclined curved surfaces that are opposite to each other, and guiding the branched water to different dedicated drainage channels arranged between the fittings of the chassis and the shooter, It is installed on the upper part of the shooter corresponding to the upper drainage window hole, and consists of a water conduit means that guides the branch water that rises up each dedicated drainage channel to the surroundings of the chassis and drains it from the drainage window hole to the drain pipe. It is characterized by that.

  In the drain trap having such a configuration, the drain resistance control means is provided at the bottom of the housing, and the inflowing water flowing down from the shooter is branched into the reverse water flow at the downward inclined curved surface portions opposite to each other. Since the water was introduced to different dedicated drainage channels installed between the housing and the shooter, the inflowing water that descends perpendicularly to the bottom of the housing is received by the descending inclined curved surface, and each Since it is led to the drainage channel, drainage resistance is suppressed.

  In addition, since the water guide means is arranged on the upper part of the shooter corresponding to the drainage window hole in the upper part of the chassis, the branch water is guided to the surroundings of the chassis by the water supply means at the drainage window hole position communicating with the dedicated drainage channel. Is done. Therefore, drainage resistance is suppressed as a result of smooth drainage in the direction along the inner wall of the drainage pipe with respect to the drainage pipe. Thus, the water flow resistance at the time of inflow / outflow of running water is small and the drainage is not slowed down, and the amount of drainage is large and the drainage efficiency is improved.

Hereinafter, specific embodiments of a drain trap according to the present invention will be described with reference to the drawings.
FIG. 1 is an exploded perspective view showing a drain trap, and FIG. 2 is a perspective view of the drain trap.
The drain trap includes an installation main body 3 installed on the floor 5, a housing 1 provided with drainage resistance suppressing means 12 attached to a lower portion of the installation main body 3, and a shooter 2 including a water guide means 24 fitted in the housing 1. It consists of.

  As shown in FIG. 1 and FIG. 4, the installation main body 3 includes a gutter plate disk 31 that is screw-fixed to the upper surface of the floor surface 5, an elbow 32 that is attached to the upper surface of the gutter plate disk 31, and an elbow The cover body 33 wraps around the outer peripheral surface of 32, and the fixing ring 34 that fixes the cover body 33 to the saddle plate disk 31.

  The saddle plate-shaped disk 31 has a circular hole 31b in the plane, a short cylindrical portion 31a communicating with the circular hole 31b, and a plurality of engaging groove portions 31c on the outer peripheral edge. As shown in FIG. 4, the short cylinder portion 31 a is fitted into the drain hole 51 of the floor surface 5, and the upper peripheral portion 42 of the drain pipe 4 that is also fitted into the drain hole 51 and fixed to the saddle plate disk 31. It fits inside.

  The elbow 32 is provided with a flange-like flange portion 32c around the lower portion of the vertical cylindrical portion 32b. The flange plate-like flange portion 32c is superposed on the flange plate-like disc 31 in a state in which the protruding cylinder port 32d of the vertical cylinder portion 32b is fitted in the short cylinder portion 31a.

  The cover body 33 is provided with a disk-shaped gutter plate 33a around a lower peripheral portion of a dome-shaped cover portion 33c having a tube opening 33b on the front surface. The dome-shaped cover portion 33c wraps around the outer peripheral surface of the elbow 32 in a state where the tip of the horizontal cylindrical portion 32a of the elbow 32 protrudes from the cylindrical port 33b. In this state, the disk-shaped plate 33 a is superposed on the surface of the plate-shaped disk 31.

  The fixing ring 34 is a ring body that covers the outer peripheral edge of the cover body (disk-shaped flange plate 33 a) 33, and a plurality of engaging protrusions 34 a provided on the lower peripheral portion are engaged with the plate-shaped disk 31. The installation main body 3 is integrally fixed by sliding engagement with the mating groove portion 31c.

  The casing 1 is a cylinder with an upper opening and a bottom having a dome-shaped (hemispherical) casing bottom 11, and an upper peripheral flange 17 is provided on the upper peripheral edge. The housing 1 is attached to the outer peripheral edge of the circular hole 31b with the upper peripheral flange 17 covering the short cylindrical portion 31a of the plate-like disk 31.

  On the upper peripheral surface of the housing 1, rectangular drainage window holes 16, 16 a are respectively formed on the opposing semi-peripheral surfaces 1 a, 1 b, and a drainage resistance suppressing means 12 described later is provided on the housing bottom 11. It is.

The shooter 2 is a trumpet-like cylindrical body having an upper and lower opening, and a cylindrical portion 23 having a short upper portion, and a flat rectangular tube portion 21 continuing to the cylindrical portion 23.
The shooter 2 is fitted and fixed in the housing 1 by fitting and fixing the fitting locking portion 23 a of the cylindrical portion 23 into the fitting recess 18 in the upper peripheral portion of the housing 1.

In this fitted state, as shown in FIG. 4, the flat plate-like side surface portions 21 a and 21 b of the square tube portion 21 of the shooter 2 correspond to the drainage window holes 16 and 16 a, respectively, and The curved end surface portions 21 c and 21 d are inscribed in the peripheral surface between the drainage window holes 16 and 16 a of the housing 1.
Further, in this fitted state, the lower end portion of the shooter 2 is set to a state that is substantially in contact with the height of the upper surface of the raised bottom portions 14 and 14a of the drainage resistance suppressing means 12 described later.

  As shown in FIG. 3, the drainage resistance suppression means 12 includes two raised bottom portions 14 and 14 a provided at different positions on the surface of the dome-shaped housing bottom 11 of the housing 1, and each raised bottom portion 14, It consists of descending inclined curved surface portions 15 and 15a continuing to 14a, and saddle bottom portions 13 and 13a continuing to the descending inclined curved surface portions 15 and 15a.

  The two downward inclined curved surface portions 15 and 15a are inclined downward in opposite directions. The two descending inclined curved surface portions 15 and 15a descending in the opposite directions are positioned corresponding to the lower opening surface (rectangular opening surface) 22 of the square tube portion 21 of the shooter 2.

  That is, the raised bottom portion 14 on the near side as viewed from the front (with the drainage window hole 16 in front) is located outside (in front) the flat plate-like side surface portion 21a on the near side of the rectangular tube portion 21, and the descending inclined curved surface portion 15 The heel bottom portion 13 that is continuous with is located on the outer side (back side) of the flat side surface portion 21b on the back side (facing). Similarly, the raised bottom portion 14a on the rear side when viewed from the front is located outside the flat plate-like side surface portion 21b on the deep side, and the bottom portion 13a continuous with the descending inclined curved surface portion 15a is the outer side of the flat plate-like side surface portion 21a. It is located on the (front side).

Between the flat side surface portion 21a of the rectangular tube portion 21 and the half peripheral surface (drainage window hole 16 side) 1a of the casing 1, a first dedicated drainage communicating with the bottom portion 13a and the drainage window hole 16 is provided. A path A is provided. In addition, a second dedicated drainage channel B communicating with the trough bottom portion 13 and the drainage window hole 16a is provided between the flat side surface portion 21b and the half peripheral surface (drainage window hole 16a side) 1b of the casing 1. It has been.

  As shown in FIGS. 5 and 6, the water conduit means 24 provided in the shooter 2 is located at a position corresponding to the two drainage window holes 16, 16 a, that is, a rectangular tube portion (flat plate side portions 21 a, 21 b). 21 and the cylindrical portion 23 are arranged at the joint portion.

  Both the water conduit means 24, 24 are grooved ridges whose curved surfaces project in the direction of the drainage window hole 16 (16a), and are composed of a ridge part 24a and a lateral ridge part 24b. And the horizontal flange 24b are continuous at the corner curved flange 24c.

  The flange portion 24a corresponds to one end portion of the drainage window hole 16 (16a), and is disposed so as to project upward so that the width of the dedicated drainage channel A (B) becomes narrower upward. , It continues to the flange portion 24b through the continuous corner curved flange portion 24c.

The horizontal flange 24b is provided corresponding to the upper side of the drainage window hole 16 (16), and is disposed in a gradient shape that rises toward the other end of the drainage window hole 16 (16a).
The branch water flow M1 (M2) rising up the dedicated drainage channel A (B) flows in a state of being biased to the other end side of the drainage window hole 16 (16a) by the flange portion 24a and the corner curved flange portion 24c. It is set to be guided to the recumbent part 24b and steer to the other end side along the rising gradient of the recumbent part 24b.

  In the drain trap having such a configuration, the flowing water M flows into the rectangular tube portion 21 of the shooter 2 through an elbow 32 connected to a drain hose such as a washing machine as shown in FIG. This running water M is branched along two downwardly inclined curved surface portions 15 and 15a that are downwardly inclined downwardly facing each other. At this time, the flowing water M descending vertically is received by the descending inclined curved surface portions 15 and 15a at a gentle angle and flows to the bottom portion 13 (13a). Therefore, the impact impact with the housing bottom 11 is extremely small and the two oppositely branched waters M1 and M2 having a small drainage resistance are obtained (see FIGS. 5 and 6).

  The reverse branch water M1 (branch water M1 received by the downward inclined curved portion 15a) ascends the first dedicated drainage channel A along the bottom portion 13a and rises toward the drainage window hole 16. . Further, the branched water M2 (branched water M2 received by the descending inclined curved surface portion 15) ascends the second dedicated drainage channel B along the bottom portion 13 and rises toward the drainage window hole 16a.

  When the branched water flow M1 (M2) that rises in the dedicated drainage channel A (B) rises to the position corresponding to the drainage window hole 16 (16a), along the flange portion 24a and the corner curved flange portion 24c that protrudes forward. Guided to the other end side. Then, the water is smoothly guided to the branched water flow M1 (M2) in the clockwise direction by the horizontal flange portion 24b having an upward gradient toward the other end side.

  Accordingly, as shown in FIG. 7, the branch water M1 (M2) is guided in a clockwise direction in the drainage window hole 16 (16a), and discharged along the inner peripheral surface of the drainage pipe 4. As a result, since the impact pressure on the drain pipe 4 is small and the drainage resistance is small, drainage efficiency is further improved.

It is a separation perspective view showing the drain trap of an embodiment. It is a perspective view which shows the drain trap of embodiment. It is explanatory drawing of the principal part cross section which shows the drainage resistance suppression means of a housing bottom. It is sectional drawing which shows the state which installed the drain trap on the floor surface. It is explanatory perspective view which shows the state from which flowing water branches in a housing. It is an explanatory side view showing the state where branch water goes up the exclusive drainage channel. It is explanatory drawing which shows the state from which branch water is discharged | emitted from the window hole for drainage to a drain pipe. It is explanatory sectional drawing which shows the conventional drain trap.

DESCRIPTION OF SYMBOLS 1 Housing 2 Shooter 3 Installation main body 4 Drain pipe A 1st exclusive drainage channel B 2nd exclusive drainage channel M Flowing water M1 Branching water M2 Branching water 11 Housing bottom 12 Drainage resistance suppression means 13 Anchor bottom 13a Anchor bottom 14 Bottom portion 14a Raised bottom portion 15 Descent inclined curved surface portion 15a Descent inclined curved surface portion 16 Drainage window hole 16a Drainage window hole 21 Square tube portion 21a Flat plate side surface portion
21b Flat side surface portion 22 Rectangular opening end surface 23 Cylindrical portion 24 Water guide rod means 24a Hook portion 24b Horizontal hook portion 24c Corner curved hook portion 31 Hook plate disk 32 Elbow 33 Cover body 34 Fixing ring

Claims (4)

  A chassis with a shooter fitted in the lower part of the installation body is attached, and this chassis is fitted in a drain pipe, and the inflowing water that flows from the shooter is opposite to each other. Drain resistance control means for branching into a reverse water flow at the descending inclined curved surface portion of the pipe, and introducing the branch water to different dedicated drainage channels arranged between the fittings of the chassis and the shooter, and a drainage window at the top of the chassis A drainage trap, which is provided on the upper part of the shooter corresponding to the hole, and comprises a diversion means for guiding the branch water rising up each dedicated drainage channel in the circumferential direction of the chassis and draining it from the drainage window hole to the drainage pipe.   The drainage resistance suppressing means includes two raised bottom portions provided at different positions in a plane of the dome-shaped housing bottom, a descending inclined curved surface portion continuous with each raised bottom portion, and a descending inclined curved surface portion. 2. The drain trap according to claim 1, wherein the descending inclined curved surface portion which is composed of a bottom portion and descends in an opposite direction is positioned corresponding to the lower end opening surface of the square tube portion of the shooter.   The water guide means is a groove-like ridge that protrudes in the direction of the drainage window hole, and has a curved corner that is continuous with the ridge and the ridge, and a horizontal ridge that is continuous with the curved corner ridge. The drainage trap according to claim 1, comprising: a portion.   The flange portion and the corner curved flange portion correspond to one end side of the drainage window hole, and are arranged in an upwardly projecting shape so that the width of the dedicated drainage channel is narrowed upward, The drain trap according to claim 1 or 3, wherein the trap is provided corresponding to the upper side of the drain window hole, and is disposed in a gradient that rises and slopes toward the other end of the drain window hole. .