JP2009068193A - Drain trap - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a drain trap capable of effectively preventing the growth of slime on an internal wall surface and the clogging of a water flow channel by preventing the propagation of various germs in a trap mechanism. <P>SOLUTION: This drain trap comprises a hose joint 5 for connecting a drain hose D, and a drain pipe connecting portion 3 for connecting a drain pipe C. In the drain trap in which a trap mechanism for deodorization is connected and arranged between the hose joint 5 and the drain pipe connecting portion 3, a part or the whole of the internal wall surface of the trap mechanism is covered with metal ion generating materials (copper plates) 17a-17c, and the propagation of the various germs and the growth of the slime in the trap mechanism are prevented by the bacteriocidal action of the metal ion eluted from the metal ion generating materials. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a drain trap attached to a drain outlet on a floor surface such as a washing place, a bathroom or an apartment kitchen, a washroom, a veranda or various cabinets, particularly a drain trap used by connecting and connecting a drain hose such as a washing machine. It is about.

  This type of drain trap is provided with a hose joint and is connected to a drain hose of a washing machine, and is used to guide drainage (sewage) flowing from the drain hose to a drain pipe disposed under the floor. The drainage flows from the hose joint into the drain trap and is sent to the drain pipe side. For example, Patent Documents 1 to 3 propose a built-in drain trap that can easily form a trap for an existing drain pipe. By using this drain trap, an existing drain pipe can be used. Even when draining the washing machine, the odor can be prevented from flowing backward.

Utility Model Registration No. 2527337 (full description, drawings) Japanese Patent Laid-Open No. 9-209431 (full description, drawings) Japanese Unexamined Patent Publication No. 2003-321860 (full description, drawings)

  The conventional drainage trap described above can exhibit an excellent effect for preventing the back flow of odor. However, this type of drain trap is usually used as it is once the drain trap is connected and connected to the drain pipe, and the drain trap is not broken. For this reason, various germs propagated inside the trap with the passage of time of use, and there was a possibility that the inner wall surface of the trap might be slimmed or the flow channel was clogged due to the propagation of germs.

  The present invention has been made to solve the above problems, and provides a drainage trap that eliminates the propagation of germs in the trap mechanism and can effectively prevent the occurrence of slimming of the inner wall surface and clogging of the flow channel. It is the purpose.

  In order to achieve the above object, the present invention includes a hose joint to which a drainage hose is connected and a drainage pipe connection part to which the drainage pipe is connected, and a trap for deodorization between the hose joint and the drainage pipe connection part. In the drain trap having the mechanism connected and disposed, a part or the whole of the inner wall surface of the trap mechanism is covered with a metal ion generating material, and germs in the trap mechanism are propagated by the bactericidal action of metal ions eluted from the metal ion generating material. It is characterized by preventing the occurrence of slimming.

  In order to cover the inner wall surface of the trap mechanism with the metal ion generating material, the metal ion generating material may be attached in the form of a plate or foil, or the metal ion generating material may be plated. Moreover, copper, aluminum, zinc, silver, etc. can be used as a metal ion generating material.

  Since the present invention employs the above-described configuration, it is possible to effectively prevent the propagation of various bacteria and the occurrence of slime in the trap mechanism by the sterilizing action of metal ions eluted from the metal ion generating material. For this reason, it is possible to eliminate clogging of the flow channel due to propagation of various germs, and the drain trap can be used in a clean state for a long period of time.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 to 3 show a first embodiment of a drain trap according to the present invention.
As shown in the figure, the drain trap according to the first embodiment includes a lid body 1 that covers the floor surface opening B of the floor surface A and is placed and fixed on the floor surface. 1 has a hose connection portion 2 on its upper side and a drain pipe connection portion 3 on its lower side. A lower side opening 4 of the hose joint 6 is fitted and connected to the hose connection 2, and a drainage hose D of the washing machine is fitted and connected to the upper side 5 of the hose joint 6.

Wherein the inside of the drainage pipe connecting portion 3, sealing the water bottle body 8 is fitted held by the step portion 3 _1. Further, a drain pipe C is fitted and connected to the outer peripheral surface of the drain pipe connecting portion 3 via a sealing material 7, and the sealed cylinder 8 is disposed in a suspended state in the water distribution pipe C.

The sealing water bottle body 8, the whole becomes a shape having a bottom cup, the inside, the tubular body inside the inlet-side passage ₈₁ and outlet passage ₈₂ and the partition piece 9 for partitioning the within the cylindrical body bottom is suspended in a state of forming a communication opening 10 for passing water, further the peripheral wall upper position of the outlet passage 8 ₂ side of the sealing water bottle body 8 are the outlet 11 is formed, these sealing water bottle body 8, the inlet The side channel 8 ₁ , the outlet side channel 8 ₂ , the partition piece 9, and the outflow port 11 constitute a trap mechanism that prevents bad odor on the water distribution pipe C side from flowing back to the hose joint 6 side.

  Further, a gap 13 for flowing water is formed between the sealed cylinder 8 and the drain pipe C for allowing the drainage flowing out from the outlet 11 to flow down.

A packing holder 12 is detachably screwed to the lid body 1 that is detachably provided on the floor surface A and covers the floor surface opening B, and the lid body 1 and the hose joint 6 are integrally covered, the peripheral portion of the packing holder 12, the cover 12 ₃ protruding in a flange shape toward the outside is formed by the cover 12 ₃ are to cover the upper side of the mounting hole 14 provided in the lid 1.

  Further, at the joint facing position between the lid body 1 and the packing holder 12, a locking mechanism composed of a concave and convex surface portion 22 is provided so as to be engaged and coupled, and between the lid body 1 and the hose joint 6. Interposes a seal rubber ring seal member 30 to prevent odors and water leakage from the connecting portion.

The hose joint 6 connected to the lid body 1 is an elbow tube body made of a soft resin such as an elastomer, and the lower mouth part 4 is inserted and connected to the hose connection part 2 and the upper mouth part 5 is connected. The drainage hose D of the washing machine is inserted into and connected to. A conical flange portion 16 that presses against the packing holder 12 protrudes from the outer peripheral surface near the lower end opening 4 of the hose joint 6. When the packing holder 12 is screwed and fixed, an annular fitting is provided. the grooves 16 ₁ with interpolation press-fitted to the holding tubular portion 8 ₃ of the sealing water bottle body 8, crimp the said sealing member 23 to the lid 1 in the lower surface of the flange portion 16 realizes a watertight structure.

  In the drain trap according to the first embodiment, in the drain trap having the above-described structure, copper (Cu) plates 17a to 17d as metal ion generating materials are attached to the inner wall surface of the trap mechanism, and the copper plates 17a to 17d are used. The sterilizing action of the eluted copper ions prevents the growth of bacteria and slime in the drain trap.

That is, in the illustrated example, a copper plate 17a to the outer peripheral wall surface of the sealing water bottle body 8, a 17b, a copper plate 17c inside wall surface of the sealing water bottle body 8 of the inlet passage 8 _1, outlet passage partition plate 9 8 _A copper plate 17d is attached to each of the _two wall surfaces, and these wall surfaces are covered with a copper plate as a metal ion generating material. In addition, although the wall surface position which affixes a copper plate is good also as the whole peripheral surface of the sealing cylinder 8, you may affix only to the one part like an example of illustration, and it touches the waste_water | drain W stored at least in a trap part. It is desirable to include a wall.

In the drain trap having the above structure, when drainage flows from the washing machine through the drainage hose D, the drainage flows through the inlet-side channel 8 ₁ , the communication opening 10, the outlet-side channel 8 ₂ , and the outlet 11. Then it flows down to the drain pipe C. In this case, the waste water flowing into the sealing water bottle body 8, so will flow out from the inlet-side passage ₈₁ and outlet passage ₈₂ and the outlet 11 so as to overflow while meeting the trap portion consisting of This trapping action prevents the bad odor on the drain pipe C side from flowing back to the drain hose D side.

Further, when the washing is finished drainage completed, waste water W so as to satisfy the trap portion constituted by the inlet passage ₈₁ and outlet passage ₈₂ is stored, flowing water by the pooled waste water W Since the road is blocked, the bad odor on the drain pipe C side does not leak to the drain hose D side even after the drainage is completed.

On the other hand, in the above description, the drainage that has flowed from the drainage hose D flows while in contact with the copper plates 17 a to 17 d attached in the sealed cylinder 8. For this reason, copper ions are eluted from the copper plates 17a to 17d into the waste water. Further, the drainage is complete, the waste water W to the trap portion constituted by the inlet passage ₈₁ and outlet passage ₈₂ is stored, the pooled waste water W will contact the copper plate 17c, and 17d Copper ions are eluted from the copper plates 17c and 17d into the waste water W.

  For this reason, the waste water that has flowed into the sealed cylinder 8 is exposed to copper ions in any flowing water state. As a result, the germicidal action of copper ions eluted in the wastewater effectively prevents the growth of germs and slime, and it is possible to eliminate clogging of the flow channel due to the propagation of germs. You can continue to use it in a safe state.

FIG. 4 shows a second embodiment of the drain trap according to the present invention.
Although the first embodiment described above is an example of a drain trap when the drain pipe C is piped vertically downward with respect to the floor surface A, the second embodiment is a drain trap. It shows an example of a drain trap when the pipe C is piped in a direction parallel to the floor surface A. For example, it is used when connecting to the drain pipe C formed on the floor surface (bottom plate) of the waterproof pan. It is what

The drainage pipe drain trap body 21 connected and C, the sealing water cup 22, is fitted with a gap for flowing water in encapsulating water cup 22, the sealing water bottle 23 which communicates with the lower end opening portion 23 ₁ In addition, a guide cylinder 24 that is inserted into the sealing cylinder 23 with a gap for flowing water and is placed on the sealing cup 22 is detachably provided.

  Further, a drainage hose attachment hose joint 6 to which a drainage hose D is connected is detachably fitted to the drainage trap body 21 via an eye plate receiver 27. Further, the drain trap body 21 is integrally formed with a horizontal pipe connection portion 33 for connecting the drain pipe C.

The water-sealing cup 22 is a bottomed cylinder that is removably fitted into the eye plate holder 27, and a wing piece 28 that can form a gap for running water is provided at a predetermined interval on the bottom surface thereof. In addition, a plurality of overflow outflow slits 29 are provided at intervals in the circumferential direction on the peripheral side surface of the upper portion of the cylinder. Further, the sealing water bottle 23 to be inserted into the encapsulating water cup 22 is also a hollow cylinder having a lower end opening 23 _1.

The guide cylinder 24 is a hollow cylinder at both ends opening to be connected to a hose joint 6, projecting outer annular plate 31 to the outer periphery of the lower end opening 24 _1, your predetermined intervals on the outer ring plate 31 In addition to providing a defoaming rib 34, the defoaming rib 34 is placed on a wing piece 28 erected on the inner bottom surface of the sealed water cup 22, and is provided with a gap for running water between the sealed water tube 23. Yes.

  In the case of this second embodiment, the sealing cup 22, the sealing cylinder 23, the guide cylinder 24, and the outflow slit 29 constitute a trap mechanism. When drainage flows from the hose C of the washing machine, the drainage flows from the hose joint 6 through the guide tube 24 and the drainage cup 22 to the drainage pipe C through the drainage slit 9, and thus flows through the drainage pipe C. Odor is prevented from flowing back by the action of the trap mechanism.

  And in this 2nd Embodiment, the copper (Cu) board 32a-32c which is a metal ion generating material on the inner wall face of the sealing cup 22, the sealing cylinder 23, and the guide cylinder 24 which comprise the said trap mechanism is shown in FIG. (B) is formed into a cylindrical shape as shown in (b), inserted and pasted together, preventing germs from breeding and slimming in the drainage trap by the sterilizing action of copper ions eluted from the copper plates 32a to 32c. It is comprised so that it may do.

  The waste water flowing from the drain hose D flows while contacting the copper plates 32a to 32c. For this reason, copper ions are eluted from the copper plates 37a to 32c into the waste water. Further, even after the drainage is completed, copper ions are eluted from the copper plates 32a to 32c with respect to the drainage W stored in the trap portion. As a result, as in the case of the first embodiment, the germicidal action of copper ions eluted in the waste water effectively prevents the propagation of bacteria and the occurrence of slime. Since it can be eliminated, the drain trap can be used in a clean state for a long time.

  Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications and changes can be made. For example, in the above embodiment, copper (Cu) is used as the metal ion generating material, but aluminum (Al), zinc (Zn), silver (Ag), or the like can also be used. In addition, the metal ion generating material is attached in the form of a plate, but may be attached in the form of a thin foil, or may be attached by plating if possible. Moreover, although only a part of the wall surface was covered with the metal ion generating material, the entire inner and outer surfaces of the wall surface may be covered.

  Furthermore, in the above embodiment, the first and second embodiments have been described. However, the present invention is not limited to these structures, and a trap formed in the middle of a water channel. Any device can be used as long as it has a trap mechanism for storing the drainage in the section and preventing the backflow of malodors.

It is a longitudinal section showing a 1st embodiment of a drain trap concerning the present invention. 1A and 1B show a structure of a sealed cylinder in FIG. 1, in which FIG. 1A is a perspective view, FIG. 1B is a plan view, FIG. 1C is a left side view, and FIG. It is sectional drawing of the sealed cylinder in the III-III line position in FIG. BRIEF DESCRIPTION OF THE DRAWINGS The 1st Embodiment of the drain trap which concerns on this invention is shown, (a) is a longitudinal cross-sectional view which shows 1st Embodiment of the drain trap which concerns on this invention. FIG. 4B is a perspective view showing the shape of a copper plate.

Explanation of symbols

A Floor surface B Floor opening C Drain pipe D Drain hose W Drain 1 Lid 3 Water distribution pipe connection 6 Hose joint 8 Sealed cylinder 8 ₁ Inlet side channel 8 ₂ Outlet side channel 9 Partition piece 10 Communication opening 11 Outlet 12 Packing holder 17a to 17d Copper plate (metal ion generating material)
DESCRIPTION OF SYMBOLS 21 Drain trap body 22 Sealing cup 23 Sealing cylinder 24 Guide cylinder 29 Outflow slit 33 Water distribution pipe connection part 32a-32c Copper plate (metal ion generating material)

Claims (4)

  A drainage trap comprising a hose joint to which a drainage hose is connected and a drainage pipe connection part to which a drainage pipe is connected, and a trap mechanism for deodorizing is connected between the hose joint and the drainage pipe connection part. A part or the whole of the inner wall surface of the mechanism is covered with a metal ion generating material, and the germicidal action of metal ions eluted from the metal ion generating material prevents the propagation of bacteria and the occurrence of slime in the trap mechanism. Drain trap.   2. The drain trap according to claim 1, wherein a part or the whole of the inner wall surface of the trap mechanism is covered by attaching a metal ion generating material in a plate shape or a foil shape.   The drain trap according to claim 1, wherein a part or the whole of the inner wall surface of the trap mechanism is covered by plating a metal ion generating material.   The drain trap according to any one of claims 1 to 3, wherein any one of copper, aluminum, zinc, and silver is used as the metal ion generating material.

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