JP5535028B2 - Drainage equipment - Google Patents

Description

  The present invention includes a water tank having a drain bowl portion having a drain outlet at the bottom, a bottomed cylindrical trap body having an opening formed on the top surface and an outlet connected to a drain pipe on the side surface, and A drainage trap having an upper end communicated with the drainage bowl portion and a lower end portion disposed below the outlet by being inserted into the drainage outlet from the inside of the inlet pipe and the inner periphery of the trap body. The present invention relates to a drainage facility that drains water from an outlet to a drainage pipe between a surface and an outer peripheral surface of an inlet pipe.

  In the conventional drainage equipment, a bottom plate portion having a drain port and a plate at the upper end portion is inserted into a drain port body formed on the bottom portion of the water tank, and the bottom plate portion is inserted from the bottom of the water tank to the outer peripheral surface of the bottom plate portion. By tightening an attachment member screwed into the formed screw, the bottom portion of the water tank is sandwiched and attached by the plate and the attachment member (see, for example, Patent Document 1).

Japanese Patent Laying-Open No. 2005-179950 (page 4, FIG. 5)

  However, in the drainage facility described in Patent Document 1, dirt such as scale due to water used in the water tank is accumulated between the plate of the bottom plate part and the bottom part of the drain outlet main body (drainage bowl part). There is a problem of end.

  The present invention has been made paying attention to such problems, and can prevent the accumulation of dirt at the connection point between the water tank and the drain trap in the process until the water used in the water tank is drained. The purpose is to provide drainage facilities.

In order to solve the above problems, the drainage equipment of the present invention is:
A water tank provided with a drain bowl part having a drain outlet at the bottom, a bottomed cylindrical trap body with an opening formed on the upper surface and an outlet connected to the drain pipe on the side surface, and the drain outlet from above A drainage trap having an upper end portion communicated with the drainage bowl portion and a lower end portion disposed below the outlet, and in the inlet tube and in the trap body. A drainage facility for draining from the outlet to the drainage pipe between a peripheral surface and an outer peripheral surface of the inlet pipe,
The drain bowl portion includes a connected portion on an outer peripheral surface, and the trap body includes a connecting portion for connecting to the connected portion at a position above the outlet.
According to this feature, the connection part is connected to the connected part at the position above the outlet where the water used in the water tank is not touched until it is drained into the drain pipe. It is possible to prevent dirt such as scale from adhering between them, and to prevent generation of malodor from the drain trap.

The drainage system of the present invention
The connecting portion is a trap flange provided on an outer peripheral surface of the trap body, the connected portion is a bowl flange, and the trap flange and the bowl flange are in contact with each other. It is characterized by being clamped and connected by a fastener or a nut.
According to this feature, the trap body and the drain bowl portion can be easily connected without having to master a dedicated tool or the like by a simple connection structure in which the trap flange and the bowl portion flange are clamped by a fastener or a nut. .

The drainage system of the present invention
The drain bowl portion is configured separately from the water tank, has a flange at the upper edge, and a bolt member having a male screw portion formed on the outer peripheral surface that is locked to the bottom of the water tank; The flange is clamped between the bolt member and the nut member by screwing a nut member having a female screw portion that can be screwed to the male screw portion on the inner peripheral surface, and the water tank is watertight It is characterized by being attached to.
According to this feature, the water tank and the drain bowl part are manufactured separately, without manufacturing the water tank and the drain bowl part integrally, and the flange is connected to the bolt member by screwing the bolt member to the nut member. The drain bowl portion can be easily attached to the water tank only by being sandwiched between the nut members.

The drainage system of the present invention
The water tank is made of a stainless material, and the drain bowl portion has an inner peripheral surface made of stainless steel and an outer peripheral surface made of a resin material.
According to this feature, the water tank and the inner peripheral surface of the drain bowl part are made of stainless steel, so that the tank and the drain bowl part can have a sense of unity and produce a clean feeling, and the drain bowl By forming the outer peripheral surface of the portion with a resin material, the connected portion can be easily formed.

It is an exploded sectional view showing a water tub, a drain bowl part, and a drain trap in an example. It is sectional drawing which shows the state in which the drain bowl part and the drain trap were attached to the water tank. (A) is a top view of a fastener, (b) is a front view of a fastener, (c) is AA sectional drawing of the fastener in FIG.3 (b). It is sectional drawing of the water tank, the drain bowl part, and the drain trap as a 1st modification in an Example. It is a disassembled sectional view which shows the water tank, drain bowl part, and drain trap as a 2nd modification in an Example.

  EMBODIMENT OF THE INVENTION The form for implementing the drainage equipment which concerns on this invention is demonstrated below based on an Example.

  The drainage facility according to the embodiment will be described with reference to FIGS. 1 to 5. Reference numeral 1 in FIG. 1 is a water tank used for cooking, washing dishes, and the like in a home kitchen or the like. As shown in FIGS. 1 and 2, the water tank 1 is formed by molding a stainless material, and has an opening 1 a facing the vertical direction at the bottom. The lower end portion of the opening 1a is formed with a locking portion 1b formed by welding so as to face the outer side of the water tank, and a male screw portion 8a is formed on the outer peripheral surface of the locking portion 1b. A bolt member 8 to be described later is fitted.

  At the bottom of the water tank 1, a drain bowl part 2 is attached that opens upward and has substantially the same diameter as the opening 1 a. The drain bowl part 2 has a double structure in which the inner peripheral part 2a is made of a stainless steel like the water tank 1 and the outer peripheral part 2b is made of a resin material, and the upper edge of the outer peripheral part 2b. Is formed with a flange 2c facing the outside of the drain bowl 2.

  In addition, a drain port 3 having a smaller diameter than the opening is formed in the bottom of the drain bowl 2 so as to penetrate the outer peripheral part 2b and the inner peripheral part 2a in the vertical direction. The upper side of the drainage port 3 is formed to have a slightly larger diameter than the lower side. For this reason, a step 2 d is formed between the upper side and the lower side of the drain port 3.

  An annular annular piece 2e that surrounds the drainage port 3 from the side is formed at the bottom of the outer peripheral part 2b of the drainage bowl part 2. The annular piece 2e extends downward from the bottom of the outer peripheral portion 2b, and a bowl portion flange 2f as a connected portion in the present invention that faces the outer side of the annular piece 2e is formed at the lower end portion. ing.

  In order to attach the drain bowl 2 configured in this way to the water tank 1, after the flange 2c is brought into contact with the locking portion 1b via the annular packing 6 from below, a female screw portion 9a is formed on the inner peripheral surface. The nut member 9 is screwed into the bolt member 8 from below so that the flange 2c is sandwiched between the locking portion 1b on which the bolt member 8 is fitted and the nut member 9. At this time, the gap between the flange 2c and the locking portion 1b is kept watertight by the packing 6.

  In the lower part of the drain bowl 2, the water used in the water tank 1 is drained toward the drain pipe 18, and the odorous gas such as hydrogen chloride generated in the sewage and the sanitary harmful animals such as straw are put indoors. A drain trap 4 is provided to prevent intrusion.

  As shown in FIGS. 1 and 2, the drain trap 4 mainly includes an inlet pipe 5 inserted from above into the drain port 3 and a trap body 7 attached to the drain bowl portion 2 from below. Has been. Of these, the inlet pipe 5 is formed with an outer diameter that allows the lower side to be inserted into the lower side of the drain port 3, and a flange for locking to the stepped part 2 d toward the outer side of the inlet pipe 5 at the upper end. 5a is formed. For this reason, the inlet pipe 5 is suspended from the drain trap 4 by being inserted into the drain port 3 from above by locking the flange 5 a to the stepped portion 2 d.

  The trap body 7 is formed in a bottomed cylindrical shape that opens upward and is closed by a drain cap 7a that can be removed. The trap body 7 has an outer diameter that is larger than the outer diameter of the drain port 3 and slightly smaller than the annular piece 2e. Further, the trap body 7 is provided with a trap flange 7b as a connection portion in the present invention at an upper portion, and a packing 13 is attached above the trap flange 7b on the outer peripheral surface of the trap body 7.

  Further, an outlet 7c is formed in the side wall of the trap body 7 below the trap flange 7b. An outlet pipe 14 made of the same material as the trap body 7 is formed at the outlet 7c. By inserting the upper end portion 7d of the trap body 7 into the annular piece 2e from below, the trap flange 7b and the bowl portion flange 2f are brought into contact with each other, and the packing 13 forms a gap between the trap flange 7b and the bowl portion flange 2f. The space is kept watertight. In addition, the lower end part of the inlet pipe 5 is arrange | positioned below the exit 7c in the trap main body 7 by the connection of this upper end part 7d and the annular piece 2e.

  In this state, the trap flange 7b and the bowl portion flange 2f are connected by the fastener 15. Specifically, the fastener 15 is made of a resin material. As shown in FIGS. 3 (a), 3 (b), and 3 (c), the fastener 15 is mainly sandwiched in a vertical manner. There are provided pieces 15a, 15b and a plurality of connecting pieces 15c for connecting the sandwiching pieces 15a, 15b. Among these, a plurality of cutouts 15d are formed on one side of the sandwiching pieces 15a and 15b along the longitudinal direction. The sandwiching pieces 15a and 15b are flexible by these notches 15d, and are substantially annular in plan view with the one side surface where the notches 15d are formed as the inner peripheral surface.

  Further, at one end in the longitudinal direction of the sandwiching pieces 15a and 15b, a fitting projection 15e is formed that projects toward the outer side of the ring formed by the sandwiching pieces 15a and 15b. On the other hand, the other end portions of the sandwiching pieces 15a and 15b are formed in an integrated portion 15f in which the sandwiching pieces 15a and 15b are integrated, and on the inner peripheral surface of the annular integrated portion 15f formed by the sandwiching pieces 15a and 15b. A fitting recess 15g for fitting the fitting projection 15e is formed.

  As shown in FIGS. 1 and 2, the fastener 15 configured as described above is configured such that the trap flange 7b and the bowl portion flange 2f that are in contact with each other are disposed between the sandwiching pieces 15a and 15b. Winding around the flange 2f and fitting the fitting protrusion 15e into the fitting recess 15g completes the clamping of the trap flange 7b and the bowl flange 2f by the fastener 15. Thus, the attachment of the drain bowl 2 and the drain trap 4 to the water tank 1 is completed.

  When the aquarium 1 is used, as shown in FIG. 2, a net-like trash can 16 is disposed in the drain bowl portion 2 to prevent vegetable waste and the like generated by cooking from falling into the drain trap 4. The aesthetic appearance of the water tank 1 can be maintained by attaching shielding plates 17a and 17b made of a rubber material for shielding the garbage basket 16 from the user's line of sight to the edge of the opening.

  The water used in the water tank 1 passes through the inlet pipe 5 and flows into the trap body 7, and is stored in the trap body 7 until the water level reaches the height position of the lower end of the outlet 7c. A sealed water 19 is formed, and an air layer 20 is formed above the sealed water 19. Then, the water continues to flow into the trap body 7 and the water level of the sealed water 19 rises, so that the sealed water 19 corresponding to the raised water level is drained from the outlet 7 c toward the drain pipe 18. .

  In this embodiment, as described above, the water tank 1 and the drain bowl part 2 are formed as separate bodies, and the flange 2c of the drain bowl part 2 is sandwiched between the bolt member 8 and the nut member 9 to Although the drain bowl part 2 is attached, as shown in FIG. 4, as a first modification of the present embodiment, the water tank 1 ′ and the drain bowl part 2 ′ may be integrally formed with a stainless material. Good.

  In this case, the bottom surface of the drain bowl part 2 ′ constituting the drain port 3 is formed as a tapered surface 2g inclined downward in the diameter reducing direction of the drain port 3 and the outer periphery of the upper end portion of the inlet pipe 5 ′. The surface is formed on a tapered surface 5b that is inclined so as to face the tapered surface 2g, and when the inlet pipe 5 'is inserted into the drain port 3, the tapered surfaces 2g and 5b come into contact with each other to drain the inlet pipe 5'. The bowl part 2 'is hung. By configuring the drain bowl portion 2 'and the inlet pipe 5' in this way, the manufacturing cost of the drain bowl portion 2 'can be suppressed.

  Further, the annular piece 2e is made of stainless steel, so that the connection strength between the drain bowl 2 'and the trap body 7 can be improved, and a seam is formed between the water tank 1' and the drain bowl 2 '. Since it does not exist, the beauty | look of water tank 1 'can be improved.

  Furthermore, in this embodiment, as a second modification, as shown in FIG. 5, the drain bowl 2 'and the trap body 7' may be connected by screwing. In this case, a male screw ring 22 having a male screw portion 22a formed on the outer peripheral surface is inserted through the annular piece 2e which is the lower end portion of the drain bowl portion 2 '. Although not particularly shown, the male screw ring 22 is configured by connecting a pair of semicircular divided members in plan view, and the lower end portion of the male screw ring 22 abuts on the bowl portion flange 2f, whereby the drainage bowl portion 2 is formed. It is impossible to pull out from the lower end of the.

  On the other hand, in this modified example, the trap flange 7b is formed at the upper end 7d of the trap body 7 ', and the female screw ring 20a is formed on the inner peripheral surface of the upper end 7d of the trap body 7'. 20 is inserted. The female screw ring 20 is made of an elastically deformable soft resin, and is inserted into the upper end portion 7d from above the trap body 7 'in a state of being elastically deformed in the diameter increasing direction. As a result, the inner peripheral side of the lower end portion of the female screw ring 20 restored to the original inner diameter is arranged between the trap flange 7b and the outlet pipe 14, and the female screw ring 20 is pulled out from the trap body 7 'in the vertical direction. It is impossible and can be rotated horizontally.

  Then, from the state in which the annular packing 21 is disposed between the bowl flange 2f and the trap flange 7b, the female screw portion 20a is moved downward with respect to the male screw portion 22a by rotating the female screw ring 20 in the horizontal direction. The packing 21 is pinched by the bowl flange 2f and the trap flange 7b. By inserting the female screw portion 20a into the male screw portion 22a, the drain bowl portion 2 'and the trap body 7' are connected, and the packing 21 is provided between the trap flange 7b and the bowl portion flange 2f. A more powerful pressure is applied, and the space between the drain bowl 2 'and the trap body 7' is kept watertight.

  As described above, in the drainage facility according to the present embodiment, the drainage bowl portion 2 includes the connected portion on the outer peripheral portion 2b, and the trap body 7 is a connection portion for connecting to the annular piece 2e above the outlet 7c. Since the connecting portion is connected to the connected portion at the position above the outlet 7c where the water used in the water tank 1 is not touched at all until it is drained to the drain pipe 18, the connecting portion and the connected portion are connected. It is possible to prevent dirt and the like from adhering to the part, and to prevent the generation of malodor from the drain trap 4.

  The connecting portion is a trap flange 7b provided on the outer peripheral surface of the trap body 7. The connected portion is a bowl flange 2f. The trap flange 7b and the bowl flange 2f are in contact with each other. Since it is clamped and connected by the fastener 15 in a state, the trap body 7 and the drainage bowl portion 2 are not mastered by a dedicated tool or the like by a simple connection structure that holds the trap flange 7b and the bowl flange 2f by the fastener 15. Both can be easily connected.

  Further, the drain bowl portion 2 is configured separately from the water tank 1 and has a flange 2 c at the upper edge, and a male screw portion 8 a is formed on the outer peripheral surface locked to the bottom of the water tank 1. The flange 2c is screwed between the bolt member 8 and the nut member 9 by screwing the bolt member 8 and the nut member 9 formed with the female screw portion 9a that can be screwed to the male screw portion 8a on the inner peripheral surface. Since the water tank 1 and the drainage bowl part 2 are not manufactured integrally, the water tank 1 and the drainage bowl part 2 are manufactured separately, and the bolt member 8 is attached to the nut member 9. The drainage bowl portion 2 can be easily attached to the water tank 1 simply by clamping the flange 2c between the bolt member 8 and the nut member 9 by screwing.

  Further, the water tank 1 is made of stainless steel, and the drain bowl portion 2 has an inner peripheral part 2a made of stainless steel and an outer peripheral part 2b made of a resin material. By constituting the inner peripheral part 2a of the bowl part 2 with a stainless steel material, the water tank 1 and the drain bowl part 2 can be given a sense of unity and a clean feeling can be produced, and the outer peripheral part of the drain bowl part 2 By forming 2b with a resin material, the annular piece 2e can be easily formed.

  Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration is not limited to these embodiments, and modifications and additions within the scope of the present invention are included in the present invention. It is.

  For example, in the above-described embodiment, the fastener flange 15 is wound around the trap flange 7b and the bowl flange 2f which are in contact with each other, and then the fitting protrusion 15e is fitted into the fitting recess 15g to thereby trap the trap flange 7b and the bowl. After the part flange 2f is sandwiched, screw holes are formed in the integrated part 15f which is one end and the other end of the sandwiching pieces 15a and 15b, and the fastener 15 is wound around the trap flange 7b and the bowl flange 2f. The trap flange 7b and the bowl flange 2f may be clamped by the fastener 15 by screwing screws into these screw holes.

  Moreover, in the said modification, although the water tank 1 and the drainage bowl part 2 were integrally formed with the stainless steel material, the drainage bowl part 2 comprised with the stainless steel material is separated from the water tank 1 similarly to Example 1. FIG. You may make it attach to the water tank 1 after comprising.

1, 1 'water tank 1a opening 2, 2' drain bowl part 2a inner peripheral part 2b outer peripheral part 2e annular piece 2f bowl part flange (connected part)
3 Drain port 4 Drain trap 5 Inlet pipe 7 Trap body 7b Trap flange (connection part)
7c Outlet 7d Upper end portion 8 Bolt member 8a Male screw portion 9 Nut member 9a Female screw portion 15 Fastener 18 Drain pipe

Claims (4)

A water tank provided with a drain bowl part having a drain outlet at the bottom, a bottomed cylindrical trap body with an opening formed on the upper surface and an outlet connected to the drain pipe on the side surface, and the drain outlet from above A drainage trap having an upper end portion communicated with the drainage bowl portion and a lower end portion disposed below the outlet, and in the inlet tube and in the trap body. A drainage facility for draining from the outlet to the drainage pipe between a peripheral surface and an outer peripheral surface of the inlet pipe,
The drainage bowl part is provided with a connected part on the outer peripheral surface, and the trap body is provided with a connecting part for connecting to the connected part at a position above the outlet.   The connecting portion is a trap flange provided on an outer peripheral surface of the trap body, the connected portion is a bowl flange, and the trap flange and the bowl flange are in contact with each other. The drainage facility according to claim 1, wherein the drainage facility is sandwiched and connected by a fastener or a nut.   The drain bowl portion is configured separately from the water tank, has a flange at the upper edge, and a bolt member having a male screw portion formed on the outer peripheral surface that is locked to the bottom of the water tank; The flange is clamped between the bolt member and the nut member by screwing a nut member having a female screw portion that can be screwed to the male screw portion on the inner peripheral surface, and the water tank is watertight The drainage facility according to claim 1, wherein the drainage facility is attached to the drainage facility.   The water tank is made of a stainless material, and the drain bowl portion has an inner peripheral surface made of stainless steel and an outer peripheral surface made of a resin material. A drainage facility as described in any of the above.

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