JP5666515B2 - Drainage header - Google Patents

Description

  The present invention relates to a drain header used when draining water from a plurality of drain pipes into a single drain pipe.

  In order to simplify the construction of drainage pipes inside buildings, drainage headers have been developed in which multiple equipment drainage pipes are concentrated in one place, and the drainage from each equipment is merged into a drainage drainage pipe. . Conventional drainage headers are often installed in the space under the first floor of a building, and there is a problem that it is difficult to perform operations such as inspection and cleaning.

  Here, the appliance drain pipe is a drain pipe connecting the drain header and the appliance installed upstream of the drain header. The drainage drainage pipe is a drainage pipe that connects a drainage header and a drainage drain installed downstream from the drainage header.

  As a means for solving this problem, a drainage system as in Patent Document 1 has been proposed. This is configured so that a collective drainage (drainage header) can be installed near the opening provided on the outer periphery foundation so that the work can be performed from outside the building, and it is necessary to enter the building or to dive under the floor. It is said that workability is improved because there is not.

JP 2005-256284 A

  However, although it is an opening in the vicinity of the outer periphery foundation, it is still in the area of the outer periphery foundation of the building, that is, the space under the floor. There is room for. (1) The cleaning situation cannot be confirmed by directly observing the inside of the collective drainage basin. (2) Since the opening to the branch pipe and the main pipe are not straight and there are many branches, it is difficult to make the cleaning tool reach the target branch pipe or the main pipe. (3) When the lid is located under the floor, [i1] It is difficult to open and close. (4) If the lid is accidentally dropped into the fabric foundation [i2], it will take time to pick it up.

  An object of the present invention is to solve the above-mentioned problems of the prior art and to provide a drainage header with better workability.

The first configuration of the structure for mounting the drainage header according to the present invention includes a box-shaped main body having a width and a height corresponding to the shape of the recess formed in the upper end of the outer peripheral fabric foundation, A drainage drainage pipe connection part is provided on the back part of the main body or the bottom part protruding from the fabric foundation to the inside of the building, and an appliance drainage pipe connection part is provided above or above the drainage drainage pipe connection part. It is characterized by that.

  Here, the appliance side connection part is a part for connecting the appliance drain pipe, and the drainage side connection part is a part for connecting the drainage drainage pipe.

The second configuration of the structure for attaching the drainage header to the foundation according to the present invention is that, in the first configuration, the connecting portion of the instrument drainage pipe is formed immediately below the void in the wall of the upper surface portion of the drainage header body. It is characterized by.

The third configuration of the structure for attaching the drainage header to the foundation according to the present invention is the drainage header in the first and second configurations so that the connecting portion of the instrument drainage pipe is disposed in the notch portion of the first floor. It is characterized by projecting from the upper surface of the main body.

The fourth structure of the structure for attaching the drainage header to the foundation according to the present invention is the first to third structures, wherein an opening is provided in the front part of the main body, and a removable inspection lid is provided in the opening. It is characterized by being.

Fifth configuration of a mounting structure to the underlying drainage header according to the present invention, in the fourth configuration, in the interior of the body, the gradient member having an inclined surface for guiding the wastewater to the connecting portion direction of the catch basin drain pipe And the gradient member is integrally attached to the inspection lid.

The sixth structure of the mounting structure to the underlying drainage header according to the present invention, the inclined surface for guiding the first to fourth configurations, the drainage inside the drainage header body connecting portion direction of the catch basin drain pipe Is formed.

The seventh structure of the structure for attaching the drainage header to the foundation according to the present invention is characterized in that, in the fourth and fifth structures, the inspection lid is provided with a hole for venting and overflowing water discharge.

  According to the first configuration of the drainage header according to the present invention, the drainage side connection part and the appliance side connection to the drainage header body (the present invention) disposed in the recess formed in the upper end of the building outer peripheral fabric foundation The department can be concentrated.

  In addition, since the recess at the upper end of the fabric foundation is closed by the drainage header body, the inspection lid, inspection lid fixing parts (such as screws), tools, etc. do not fall below the building floor.

  According to the 2nd structure of the drainage header which concerns on this invention, since the instrument side connection part was formed just under the space | gap in the wall body of an upper surface part, the drainage pipe from the upper floor which fell the wall body is bent. Since it can be connected without any clogging, the inside of the drainage pipe is hardly clogged.

  According to the 3rd structure of the drainage header which concerns on this invention, since the instrument side connection part protruded and formed from the upper surface part so that it might be embed | buried under the 1st floor, even if it does not add a fixing means to a drainage header, 1 If the periphery of the floor panel is filled and fixed with mortar or the like, the drainage header can be fixed at a predetermined position at the same time, and workability can be improved.

  According to the 4th structure of the drainage header which concerns on this invention, since the inspection cover which can be attached or detached to the front part, ie, the opening of the exterior side of a building, is provided, drainage header inside or drainage side connection by removing an inspection lid It is easy to visually check the situation of the part and the instrument side connection part, and not only to clean the inside of the drainage header but also to clean by inserting a cleaning instrument into the drainage drainage pipe or the instrument drainage pipe.

  According to the fifth configuration of the drainage header according to the present invention, since the gradient member is present inside the main body, sand dust and the like mixed in rainwater can be smoothly discharged without accumulating inside the main body. Moreover, the front part of the main body is opened completely by removing the inspection lid, and the inspection lid and the gradient member are integrated. Is removed, so it is easy to work.

  According to the sixth configuration of the drainage header according to the present invention, since the inclined surface that guides the drainage in the direction of the drainage tub side connection part is formed inside the appliance side connection part, the flow of the drainage becomes smooth and the foreign matter mixed into the drainage Can be prevented from remaining inside the drainage header.

  According to the seventh configuration of the drainage header according to the present invention, the inspection lid is provided with holes for ventilation and overflow water discharge, so even if air is mixed into the instrument drainage pipe, Can be separated, so that it is possible to eliminate a drainage failure caused by air trapped in the drainpipe. In the unlikely event that the drainage stagnates due to clogging on the drainage side, overflow water can be quickly discharged outside the building.

  In particular, when the drainage method of the instrument drain pipe uses the principle of siphon, it is easy to push out the air inside the instrument drain pipe that interferes with the siphon from the hole, so drainage can be started quickly. I can do it. The drainage system using the principle of siphon is a drainage system that sucks and conveys the subsequent drainage by letting the inside of the relatively small-diameter drainage pipe flow down in a substantially full drainage state.

It is the front view and sectional drawing which show the structure of the building around the drainage header which concerns on this invention. It is a four-plane figure which shows the structure of a waste_water | drain header. It is sectional explanatory drawing which shows the structure of the water return provided in the back side of the slit. It is a perspective view which shows the state which connected the drainage pipe to the drainage header. It is a perspective view which shows the structure of an inspection lid and a gradient member. It is sectional drawing which shows the other Example of the waste_water | drain header.

  Hereinafter, the most preferable embodiment of the drainage header will be described.

(Building side configuration)
Any type of building may be used as long as a fabric foundation is formed on the outer periphery, a first floor is formed at a position higher than the upper end surface of the fabric foundation, and a space is provided for piping a drain pipe below the floor. .

  Although the magnitude | size of the recessed part formed in an outer peripheral part cloth foundation upper end part is not specifically limited, It is preferable that it is the same shape as the underfloor ventilation hole provided in a cloth foundation. By comprising in this way, the same formwork as an underfloor ventilation hole can be used, and workability improves.

(Drainage header configuration)
The main body of the drainage header has a box shape that fits in the recess with almost no gap, and has an inspection lid that closes the opening on the front surface of the main body, and a plurality of drain pipe connection portions on the top, bottom, and back of the main body. Is. Any material can be used as long as it does not easily cause corrosion deformation, but it should be made of rigid polyvinyl chloride that is easy to connect to PVC pipes commonly used in drainage pipe construction and is resistant to corrosion. preferable.

(Configuration of drain pipe connection)
In addition, the drainage pipe connection part is connected to an appliance side connection part that connects an instrument drainage pipe that guides drainage discharged from the instrument to the drainage header, and a drainage pipe that connects drainage drainage pipe that guides drainage from the drainage header to the drainage drainage. There is a heel side connection part.

  The appliance side connection portion may be provided on the upper surface portion, or may be provided at a position higher than the drainage side connection portion on the back surface portion. Further, the drainage side connection portion may be provided at the lower end of the back surface portion, or may be provided on the bottom surface portion that protrudes by causing the bottom surface portion to project downward from the building floor. In the case of forming the drain pipe connection part on the upper surface part or the lower surface part for work such as inspection and cleaning, it is preferable to arrange the drain pipe connection part as close to the front surface as possible (close to the inspection lid).

  The appliance-side connecting portion is configured to protrude upward from the top end of the fabric base, and the drainage header can be fixed at a predetermined position by filling mortar, grout, etc. around the protruding portion. In particular, in the case of a construction method in which the floor is composed of ALC (lightweight aerated concrete) panel or PC (precast concrete) panel and the surrounding area is fixed with mortar, the periphery of the projecting part where the piping work is completed at the same time as the mortar is placed Moreover, since the mortar is filled and the drainage header can be fixed, the labor required for fixing the drainage header can be reduced.

(Configuration of inclined surface)
It is preferable that an inclined surface is formed in the appliance drain pipe so as to prevent the sand and dust flowing in along with the drainage from remaining and accumulating in the drain header. Further, if the gradient member forming the inclined surface is separated from the drainage header main body, the gradient member can be removed during cleaning to widen the space inside the drainage header, and maintainability is not impaired.

(Configuration of inspection lid)
The front of the drainage header (the surface on the outside of the building) has an opening for the purpose of inspection and cleaning of the drainage pipe connected to the drainage header and inside the drainage header, but overflow of drainage that passes through the drainage header In order to prevent this, the opening is normally closed with an inspection lid.

  The drain header body and the inspection lid are preferably fixed with screws or the like via a water stop member such as rubber packing in order to ensure water tightness.

  When the drainage to be treated by the drainage header is rainfall on the roof surface or veranda surface of the building, it is preferable that the inspection lid is provided with a hole having both a function of ventilation and a function of discharging overflow water. In particular, when the rainwater drainage method is a siphon type, it becomes easy to push out the air inside the instrument drainage pipe that hinders the siphon from the hole, so that drainage can be started promptly.

  In addition, when the wastewater to be treated is miscellaneous wastewater, if a hole is provided in the inspection lid, a problem of odor diffusion occurs. The hole is preferably sized so that small animals such as pupae do not enter. Moreover, it is preferable to provide a water return in the hole so that the waste water splashed in the drain header does not easily go out of the hole.

  An embodiment of a drainage header according to the present invention will be specifically described with reference to the drawings. FIG. 1 is a front view and a cross-sectional view showing the configuration of a building around a drainage header according to the present invention, FIG. 2 is a four-view diagram showing the configuration of the drainage header, and FIG. 3 shows the configuration of water return provided on the back side of the slit. FIG. 4 is a perspective view showing a state in which a drain pipe is connected to the drain header, FIG. 5 is a perspective view showing the configuration of the inspection lid and the gradient member, and FIG. 6 is a sectional view showing another embodiment of the drain header. It is.

[Example 1]
1 to 5, the drainage header B of the present embodiment is on the path where rainwater that has fallen on the veranda floor of the upper floor of the building A is collected and drained at the drain and discharged to the main drainage via the drainage basin. Is provided. A building A shown in FIG. 1 is composed of a fabric foundation 1 arranged in a lattice pattern on the outer periphery of the building A, a steel frame built on the fabric foundation 1, and ALC (lightweight cellular concrete). This is a house in which a basic frame is constituted by the floor panel 2a and the outer wall panel 3a.

  The first floor 2 has a layer structure of a floor panel 2a, a heat insulating material 2b, and a floor finishing material 2c. The floor panel 2a is supported by a fabric foundation 1 or a steel beam (not shown) spanned over the fabric foundation 1. ing. The joints of the floor panel 2a and the gap between the floor panel 2a and the outer wall panel 3a are filled with mortar 2d.

  The wall 3 on the outer periphery of the building A has a layer configuration of an outer wall panel 3a, a heat insulating material 3b, an air layer 3c, a base material 3d, a gypsum board 3e, and a wall cloth 3f. The outer wall panel 3a is positioned and fixed at a predetermined position by an outer wall panel bracket 3a1 having a substantially inverted T-shaped cross section that is placed and fixed on the outer peripheral fabric base 1.

  A recess 1 a for fitting the drainage header B is provided at the upper end of the fabric foundation 1. The size of the recess 1a is equal to the size of the underfloor ventilation hole (not shown) formed in the upper end portion of the fabric foundation 1, and a formwork (not shown) for forming the underfloor ventilation hole is used for constructing the rising portion of the cloth foundation 1. It is formed by placing concrete in a state of being fitted inside a pair of molds (not shown).

(Drainage header body)
As shown in FIG. 2, the main body 10 of the drainage header B has a substantially rectangular parallelepiped box shape having an outer dimension of about 300 mm in width, about 160 mm in depth, and about 100 mm in height corresponding to the shape of the recess 1a. The cloth base 1 is designed to be slightly smaller than the recess 1a. Moreover, the material is a hard vinyl chloride resin like the drain pipe. A drainage basin side connection portion 10b protrudes from a central lower end portion of the back surface portion of the main body 10 of the drainage header B. A plurality of appliance-side connection portions 10a protrude above or from the upper surface portion of the drainage-side connection portion 10b. The appliance side connection portion 10a is positioned so that the upper side of the appliance side connection portion 10a becomes the air layer 3c inside the wall body 3 when the appliance side connection portion 10a is fitted into the recess 1a of the fabric foundation 1. The front surface of the main body 10 of the drainage header B has an opening 10c on the whole surface, and a notch 10d for fitting a removable inspection lid 11 on the periphery of the opening 10c and the inspection lid 11 are screwed. Screw holes 10e are formed.

(Configuration around the drainage header)
As shown in FIG. 4, in order to prevent interference between the appliance side connection portion 10a and the floor panel 2a and to fill the drain side header B fixing mortar 2d around the appliance side connection portion 10a, There is a notch.

  One end of an instrument drain pipe 20 made of a crosslinked polyethylene pipe is connected to the instrument side connection portion 10a. The appliance drain pipe 20 has a diameter of about 20 mm, and the other end is connected to the drain of the veranda through the air layer 3c of the wall 3 and a space (not shown) on the ceiling.

  That is, in this embodiment, the appliance side connection portion 10a is formed almost directly below the air layer 3c that becomes a space in the wall 3 of the upper surface portion of the main body 10 of the drainage header B. The portion 10a is formed so as to protrude from the upper surface portion of the main body 10 of the drainage header B so as to be embedded in the first floor 2.

  After the appliance drain pipe 20 is connected to the appliance side connection portion 10a and the drainage drainage pipe 21 is connected to the drainage side connection portion 10b, the floor panel 2a is laid, and the joint portion of the floor panel 2a and the appliance side connection portion The mortar 2d is filled around 10a, and the mortar 2d is solidified to fix the drainage header B at a predetermined position.

  A drainage drainage pipe 21 made of a vinyl chloride pipe having an inner diameter of about 75 mm is connected to the drainage side connection part 10b. The drainage drainage pipe 21 is bent into a U shape by two 90-degree elbows 21a, is extended to the outside of the building A via the sleeve 1b of the fabric foundation 1, and is connected to a drainage drainage outside the building A. The drainage method of the drainage drainage pipe 21 is not a siphon type but a conventional natural flow type.

(About the inspection lid)
As shown in FIG. 5, the inspection lid 11 has a substantially rectangular shape corresponding to the opening 10 c of the drainage header body 10. A slit 11c is provided in the upper part of the inspection lid 11. A packing material 11b made of an elastic resin is attached to the back surface of the peripheral edge of the inspection lid 11. FIG.2 (e) is an enlarged view of the broken line part of FIG.2 (d). Align the screw hole 11a drilled in the peripheral part of the inspection lid 11 with the screw hole 10e in the peripheral part of the opening 10c in the front part of the drainage header body 10, screw in the screw 12, and tighten until the packing material 11b is crushed As a result, the inspection lid 11 is firmly fixed to the front surface of the drainage header body 10.

  The slit 11c is a hole for venting and overflowing water discharge, and is provided near the upper end of the inspection lid 11 and higher than the drainage side connection portion 10b as shown in FIG. Further, since a water return 11d is provided behind the slit 11c as shown in FIG. 3, even if the waste water that has flowed in from the drainage pipe 20 bounces inside the drainage header body 10, it exits from the slit 11c. There is no fear.

  As shown in FIG. 5, on the back surface of the inspection lid 11, a gradient member 13 having an inclined surface 13a inclined in a V shape toward the center in the width direction and also inclined in the depth direction is integrally attached. Yes. The gradient member 13 corresponds to the shape inside the drainage header body 10, and with the inspection lid 11 fixed to the body 10, the lowest position of the center tip is opposed to the opening 10 b 1 of the drainage side connection part 10 b. The drainage can be guided in the direction of the drainage / drainage pipe 21. Note that the peripheral edge portion of the gradient member 13 is pressed against the inner surface of the drainage header body 10 via a packing material (not shown), so that the drainage does not flow below the inclined surface 13a.

  That is, as shown in FIG. 2, the drainage header B forms the appliance side connection portion 10a on the upper surface portion of the drainage header body 10, and drains the drainage header body 10 in the direction of the drainage side connection portion 10b. An inclined surface 13a to be guided is formed.

(effect)
Since the gradient member 13 is present inside the drainage header body 10, sand dust and the like mixed in the rainwater can be smoothly discharged without accumulating inside the body 10 of the drainage header B.

  In addition, since the end of the instrument drain pipe 20 is opened to the atmosphere by the slit 11c, rainwater flowing into the drain can easily push out the air inside the instrument drain pipe 20, and drainage using the siphon principle can be started quickly. I can do it. Further, when the drainage drainage pipe 21 is clogged and the drainage is not performed, the drainage is not discharged from the building A through the slit 11c, and rainwater does not accumulate on the veranda.

  During inspection, cleaning, etc., the front part of the drainage header body 10 is completely opened by removing the inspection lid 11, and the inspection lid 11 and the gradient member 13 are integrated to remove the inspection lid 11. At the same time, since the gradient member 13 that is an obstacle to work is removed from the inside of the main body, the work is easy to perform.

  In addition, the appliance side connection part 10a and the drainage side connection part 10b are located within the reach of the drainage header body 10 in the vicinity of the opening and can be seen from the opening. It is possible to easily perform the work of cleaning the appliance drain pipe 20 and the drainage drain pipe 21 by inserting the instrument from the appliance side connection portion 10a and the drainage side connection portion 10b.

[Example 2]
FIG. 6 is another configuration example relating to the positions of the drain pipe connection portions 10a and 10b. The drainage header body 10 is extended in the direction of the inside of the building A, the appliance side connection part 10a is provided in the back part of the drainage header body 10, and the drainage side connection part 10b is extended in the direction of the inside of the building A of the drainage header body 10. Provided on the bottom surface.

  That is, in the present embodiment, the drainage header main body 10 that protrudes from the fabric foundation 1 to the inside of the building A is provided with the drainage side connection portion 10b on the bottom surface portion. The same operational effects can be achieved.

  As an application example of the present invention, the present invention can be applied to a drainage header that is used when draining water from a plurality of drainage pipes into a single drainage pipe.

A ... Building, B ... Drainage header, 1 ... Cloth foundation, 1a ... Recess, 2 ... Floor, 3 ... Wall body, 10 ... Drainage header body, 10a ... Appliance side connection, 10b ... Drainage side connection, 10b1, 10c ... Opening, 11c ... Slit, 13 ... Gradient member, 13a ... Inclined surface, 20 ... Instrument drain pipe, 21 ... Drainage drain pipe.

Claims (7)

A box-shaped body having a width and height corresponding to the shape of the recess formed in the upper end of the outer peripheral fabric foundation,
Provided with a drainage drainage pipe connecting part on the back part of the main body or the bottom part protruding from the fabric foundation to the inside of the building,
A drainage header provided with an appliance drainage pipe connection part above or on the upper surface of the drainage drainage pipe connection part is disposed in a recess formed in the upper end part of the outer peripheral part fabric foundation. Mounting structure to the foundation. The attachment structure to the foundation of the drainage header according to claim 1, wherein the connection portion of the appliance drainage pipe is formed substantially immediately below the gap in the wall of the upper surface portion of the drainage header main body. The drainage header according to claim 1 or 2, wherein a connecting portion of the appliance drainage pipe is formed so as to protrude from an upper surface portion of the drainage header body so as to be disposed in a notch portion of the first floor. Mounting structure to the foundation.   An opening is provided in the front portion of the main body, and a removable inspection lid is provided in the opening. The drain header according to any one of claims 1 to 3, Mounting structure. Wherein the interior of the body, the gradient member is provided with an inclined surface for guiding the wastewater to the connecting portion direction of the catch basin drain pipe,
5. The structure for mounting a drainage header to a foundation according to claim 4, wherein the gradient member is integrally attached to the inspection lid. Of the interior drainage drainage header body to basic drainage header according to any of claims 1 to 4, characterized in that the formation of the inclined surface for guiding the connecting portion direction of the catch basin drain pipe Mounting structure.   6. The structure for attaching a drainage header to a foundation according to claim 4 or 5, wherein a hole for venting and overflowing water is provided in the inspection lid.