JP3090951U - Drain port member - Google Patents

Abstract

(57) [Summary] [PROBLEMS] This invention relates to an improvement of a drain port member used for waterproofing work on a building roof, a veranda, and the like. A sheet joining piece disposed around a drain port on a surface of a skeleton serving as an attachment part and joined to a peripheral edge of a drain port of a waterproof sheet, and an opening formed at an intermediate position of the sheet joining piece. A connecting pipe that communicates with the opening and protrudes to one side, and that is fitted to the connecting pipe, and has an annular flange portion and a thin flat portion that are alternately provided on the outer peripheral wall to have a flexible drainage. In a drain port member composed of a hose, the sheet joining piece and the connecting pipe are made of copper and welded together, and the connecting pipe is provided with a plurality of annular projections, and the annular projection is a flat surface of the drain hose. It is arranged so as to correspond to the portion, the annular protrusion is raised by raising the flat portion of the drainage hose, meshes and engages like a screw, and the drainage hose is fixed to the connection pipe, I do.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

  This invention relates to the improvement of drainage members used for waterproofing on rooftops of buildings and balconies. To do.

[0002]

[Prior art]

  This idea is applied to structures such as a flat roof on a building roof, a veranda, and a balcony. A drain pipe for draining rainwater is installed.   On such rooftops and balconies, asphalt, rubber sheets or chloride Waterproof treatment is applied with a waterproof sheet such as vinyl resin.   This tarpaulin may be replaced due to deterioration over time and damage. In consideration of cost and workability, the drainage pipe inside the concrete skeleton remains unchanged. So, the waterproof sheet and drain port member are replaced.   Examples of the drainage port member include a sheet joining piece to be joined to a waterproof sheet and the sheet. A flange member having a connecting pipe integrally fixed to the joining piece; It consists of a synthetic resin drain hose that is fitted into the pipe, and the drain hose is connected to It is fixed to the connecting tube with a tightening band.   However, since a tightening band is used, the number of parts increases and it becomes complicated and the tightening band Since the windshield is on the outside, there is a problem that it is easily damaged or damaged.   In addition, lead sheets have been used for sheet joining pieces in the past. Under the Safety and Health Act, lead poisoning prevention rules are established, and a lead work chief is required. There is.   Furthermore, there is a possibility that water pollution and other environmental problems may occur after the construction.

[0003]

[Problems to be solved by the device]

  This invention was created in view of the above circumstances, and its main problem is to The sheet joining piece and the connecting pipe are made of copper and are welded together. An annular protrusion is provided on the Ip to form a continuous concave and Just by fitting the water hose, both can be engaged and hooked like a screw The purpose of the present invention is to provide a drain outlet member.

[0004]

[Means for Solving the Problems]

  In order to solve the above problems, the present invention provides a device according to claim 1,   It is placed around the drainage port on the surface of the body that is the mounting location and is located around the drainage port of the waterproof sheet. A sheet joining piece to be joined to an edge portion and an opening formed at a midway position of the sheet joining piece Portion, a connecting pipe that communicates with the opening and projects to one side, and is externally fitted to the connecting pipe. In addition, it has flexibility by providing annular flanges and thin flat parts alternately on the outer peripheral wall. In the drain port member consisting of the drain hose,   While integrally welding the sheet joining piece and the connecting pipe as copper,   A plurality of annular projections are provided on the outer peripheral wall of the connection pipe at equal intervals,   The annular protrusion is arranged so as to correspond to the flat portion of the drain hose, and The annular protrusion raises the flat part of the drain hose and engages it like a screw and hooks it, A technical means is adopted in which a drain hose is fixed to the connecting pipe.   In the invention of claim 2,   The annular projection of the connecting pipe has a flat top and a front and rear direction in the extending direction of the connecting pipe. Technical means that the sides of the are formed in a substantially trapezoidal shape with a tapered shape. Are taking.   Further, in the invention of claim 3,   An approximately frusto-conical concave in which the vicinity of the opening of the sheet joining piece is inclined downward toward the opening. The technical means of being formed in the section is taken.

[0005]

[Embodiment of device]

  A preferred embodiment of the drainage member of the present invention will be described below with reference to the drawings. To do.   The drainage member 1 shown in FIG. 1 includes a sheet joining piece 2 and an intermediate position of the sheet joining piece 2. A connecting pipe 4 communicating with the opening 3 formed in the side wall and protruding to one side; And a drain hose 10 which is fitted onto the pump 4.

[0006]   The sheet joining piece 2 is made of a copper plate.   In the vicinity of the opening 3 of the sheet joining piece 2, a substantially downward slope is formed toward the opening 3. A truncated cone-shaped recess 3a is formed in advance.   In the present embodiment, the sheet joining piece 2 uses a copper plate smoothing material, so In addition, it can be bent by hand and deformed appropriately based on the recess 3a. It

[0007]   In addition, a flat plate is used when it is applied to a flat area on the roof of a building (see Fig. 4 (a)). ) Is used, for example, in the corner between the flat field on the roof and the parapet, the cross section is approximately L A letter-shaped plate can be used (see Fig. 4 (b)), and other mounting positions can be used. It can be formed into a shape.

[0008]   An opening 3 is formed at a midway position of the sheet joining piece 2, that is, a central position in the illustrated example. ing.   The opening 3 communicates with the inner diameter of the connecting pipe 4 communicating with the opening 3. The size is set so that

[0009]   The connecting pipe 4 is made of a copper pipe, and the base end of the sheet joining piece 2 is a copper plate. It is welded to the periphery of the opening 3 and is integrally formed with the sheet joining piece 2 so as to project to one side. There is.   A plurality of connecting pipes 4 are provided from the middle position of the peripheral wall of the pipe to the tip. The annular projections 5 are bent so as to project in parallel at equal intervals.   As shown in FIG. 2, the annular projection 5 is raised from the peripheral wall of the pipe in a substantially trapezoidal cross section. The same as the drain hose 10 described later in the axial direction of the connecting pipe 4. , Slightly inclined by a predetermined angle.

[0010]   Next, in the case of the present embodiment, the drain hose 10 is a well-known standard product such as polysalt. A flexible hose made of vinyl chloride is used.   That is, this drainage hose 10 has a collar portion 11 which is formed thick and extends annularly, The flexible portion 12 which has flexibility by connecting between the portion 11 and the collar portion 11 and having a thin wall The collar portions 11 are arranged alternately, and the collar portions 11 have a predetermined angle with respect to the axial direction of the drain hose 10. It has a known configuration in which it is only slightly inclined.

[0011]   The annular protrusion 5 of the connecting pipe 4 corresponds to the flexible portion 12. Plural are arranged at equal intervals.   That is, the annular projection 5 has a cross-sectional shape of a substantially ladder shape in which the front and rear are inclined surfaces and the top is horizontal. It is formed in a shape. Then, it is inclined at the same angle as the inclination angle of the collar portion 11. The annular protrusions 5 and 5 are flat portions 6 each having a substantially linear cross section. There is.   Further, the annular projection 5 has its top facing the center of the flexible portion 12 of the drain hose 10. The pitch is set to correspond.

[0012]   With the above structure, push the drain hose 10 to the outside of the connecting pipe 4. Then, the annular projection 5 of the connecting pipe 4 spreads the inner wall of the collar 11 of the drain hose 10. While passing through, the flexible portion 12 is bent and raised.   The flat portion 6 of the connecting pipe 4 is in contact with the inner wall corresponding to the collar portion 11. It has become.

[0013]   At this time, the sealing material 7 is previously attached to the inner wall surface of the drain hose 10 and / or the connecting pad. Apply to the outer wall surface of ip4.   Then, the sealing material 7 becomes a lubricant and the connecting pipe 4 is connected to the drain hose 10. It can be pressed in smoothly.   Then, after the fitting, the sealing material 7 is hardened so that the both are fixed in a watertight manner. it can.

[0014]   As a result, the annular protrusion 5 is restrained by the collar 11 and is connected to the connecting pipe 4. The stopping power of the drain hose 10 is increased.   In addition, at the front and rear ends of the drain hose 10, where necessary to contact the connecting pipe 4, Accordingly, the sealing material 7'may be applied and fixed to seal the gap in the connection surface. (See Figure 1).

[0015]   The drainage member 1 formed in this way is like replacing an existing waterproof sheet. It can be used during renovation work, but it is a new installation like laying a new waterproof sheet. You may make it apply at the time of work, and also when replacing the existing drainage member.

[0016]   FIG. 5 is a sectional view showing an example of use using the drainage port member 1 of FIG. 4 (b). It   Further, this drainage member 1 is applied to a waterproof sheet structure such as a rooftop of a building. However, it is not limited only to the vicinity of the drain port (drain part), but also to the vicinity of the water inlet and Connect a flexible synthetic resin drain hose to the pipe around the air vent and exhaust vent. It can be applied to a knotting structure.

[0017]   Further, as described above, the cross-sectional shape of the annular protrusion 5 is such that the front and rear sides are inclined surfaces and the top is water. Although it is formed in a flat substantially ladder shape, it may have a substantially semicircular cross section (see FIG. 3). The shape may be such that only the front side is inclined, or a corrugated shape or other projecting shape.   In other words, various designs can be changed without changing the gist of the invention. It is a theory.

[0018]

[Effect of device]

  In this invention, the sheet joining piece and the connecting pipe are both made of copper, so it is during production. Not only in the environment but also after the construction.   In addition, the crush prevention pipes and tightening bands that were previously required are no longer required, The number is small and the structure is simple.   Therefore, only the sheet joining piece is appropriately formed according to the attachment condition (form), and the connecting piece is formed. The connection pipe and drain hose can have the same structure in common. Therefore, various drainage port members can be easily formed with a small number of parts.   In addition, the connecting pipe is provided with an annular protrusion, and the drain hose is simply fitted to this to connect it. Since it engages like a screw and hooks, you can engage like a screw, You can easily fix the drain hose to the connecting pipe.   The drain hose is locked inside the connecting pipe, so the lock is not There is no possibility of deterioration or damage because it is not exposed to the parts.   Also, by simply inserting the drain hose into the connecting pipe, the two can be connected securely. You can   Furthermore, the drain hose can be pulled out not only when it is used horizontally but also when it is used vertically when necessary. It does not slip, and can be joined on site if necessary.   In addition, there are few restrictions on sealing materials and adhesives.   And they function as a lubricant when fitting the drain hose into the connecting pipe. It   In this way, the drainage structure of this invention has a simple structure, and the connecting pipe and drainage hose are Can be reliably and reliably connected and can be used safely from a hygiene standpoint. It is extremely useful because it can

[Brief description of drawings]

FIG. 1 is a partial cross-sectional view of a drainage port member.

FIG. 2 is a partially enlarged view showing a hooking structure of a connecting pipe and a drainage hole.

FIG. 3 is a partially enlarged view showing a hooking structure in which a connecting pipe and a drainage hole are different.

FIG. 4A and FIG. 4B are perspective views showing different examples of the sheet joining piece.

FIG. 5 is a cross-sectional view illustrating a case of being attached to a drain for drainage.

[Explanation of symbols]

1 Drainage member 2 sheet joint pieces 3 openings 4 connecting pipes 5 annular protrusion 6 Flat part 10 drainage hose 11 Tsuba 12 Flexible part

Claims (3)

[Scope of utility model registration request] 1. A sheet joining piece, which is arranged around a drainage port on a surface of a building body to be attached and is joined to a peripheral edge portion of a drainage port of a waterproof sheet, and an opening formed at an intermediate position of the sheet joining piece. And a connecting pipe that communicates with the opening and projects to one side, and is fitted on the connecting pipe, and has an annular flange and a thin flat portion alternately provided on the outer peripheral wall to have flexibility. A drainage port member including a drainage hose, wherein the sheet joining piece and the connecting pipe are made of copper and welded together, and a plurality of annular projections are provided on the outer peripheral wall of the connecting pipe at equal intervals. The protrusion is arranged so as to correspond to the flat portion of the drain hose, and the annular protrusion raises the flat portion of the drain hose and engages and hooks like a screw, and the drain hose is attached to the connecting pipe. Drainage port characterized by being fixed Wood. 2. The annular projection of the connecting pipe is formed in a substantially cross-sectional ladder shape in which the top is flat and the front and rear sides in the extending direction of the connecting pipe are tapered. Item 1. The drainage structure according to item 1. 3. The drainage structure according to claim 1, wherein the vicinity of the opening of the sheet joining piece is formed into a substantially frustoconical recess which is inclined downward toward the opening.