JP6502642B2 - Drainage header - Google Patents

Description

  The present invention relates to a drainage header.

  Buildings such as houses are equipped with drainage systems. In this drainage system, a system for sewage and a system for miscellaneous drainage are separately provided separately. Among them, a system for dirty water is provided, for example, so as to vertically connect the toilets of each floor. In addition, a system for miscellaneous drainage is provided separately as an independent system for each floor, for example, for each drainage equipment such as a bath, a wash basin, and a washing drainage part installed on each floor.

  And each system of the drainage system mentioned above is a drainage header by the lower end being extended to the lower floor of the lower floor and being connected to the drainage header installed in a substantially horizontal state at the lower floor. It is joined. The drainage outlet of the drainage header is connected to a sewage weir installed outdoors via a drainage pipe (see, for example, Patent Document 1).

Japanese Patent Laid-Open No. 2002-106009

  However, since the conventional drainage header has a structure in which a plurality of drainage inlets are directly provided in the direction perpendicular to the surface, etc., on both sides of a substantially horizontally extending straight tubular header body. The flow of drainage from the drainage inlet portion into the header body is largely changed to 90 ° or the like, and it is easy for backflow of drainage and jumping of drainage into other drainage inlet portions.

  Therefore, for example, the header body is formed into a non-circular cross section such as an egg shape, and a step is provided at the bottom of the connection portion between the drainage inlet portion and the header body. Were designed to prevent drainage from entering the drainage inlet of the

  However, if a step is provided at the bottom of the connection between the drainage inlet and the header body, then the solid matter (for example, tissue paper etc.) contained in the drainage (especially in the sewage) is separated at the step. It has become easy, causing new problems such as stagnation at the step.

  Therefore, the main object of the present invention is to solve the above-mentioned problems.

In order to solve the above problems, the present invention is
A drainage header having a plurality of drainage inlets and a single drainage outlet, and combining drainage from each of the drainage inlets and discharging the drainage from the drainage outlets;
A straight tubular header body having a first drainage inlet at one end and the drainage outlet at the other end;
And a sloped pipe portion, the other end of which is connected at an angle larger than 90 ° toward the drainage outlet portion with respect to the side surface of the header body,
A drain inlet other than the first drain inlet on at least the side surface on one end side of the header body in the oblique pipe portion is directed to the connecting portion of the diagonal pipe to the header body 90. Individually connected via individual tube sections that are cross-hatched at angles greater than
The plurality of drainage inlets are all aligned in a straight line,
Further, an inspection port is provided on the upper surface of both the connection portion between the header body and the oblique pipe portion and the connection portion between the oblique pipe portion and the individual pipe portion .
The first drainage inlet at one end of the header body is a sewage inlet,
It is characterized in that each drainage inlet portion of the individual pipe portion is a miscellaneous drainage inlet portion .

According to the present invention, the following effects can be obtained by the above configuration.
That is, the drainage header has the header body as described above, the obliquely welded pipe portion, and the individual pipe portion. This makes it possible to guide the drainage entering each drainage inlet to the drainage outlet in a state more nearly straight ahead, and prevents the backflow of drainage and the jumping of drainage into other drainage inlets. While being able to do, retention etc of the solid substance which is included in the drainage can be prevented effectively.
The multiple drainage inlets are all aligned in a straight line. As a result, the individual pipe portion can be provided on the diagonal pipe portion with efficient space, and the lower end portion of each system of the drainage system can be easily connected to each drainage inlet portion.
Furthermore, an inspection port is provided on the upper surface of both the connection portion between the header body and the oblique pipe portion and the connection portion between the oblique pipe portion and the individual pipe portion. As a result, maintenance of the drainage header is facilitated, and maintenance performance can be improved.
The first drainage inlet at one end of the header main body was used as a sewage inlet. Moreover, each drainage inlet part of the individual pipe part was made into the miscellaneous drainage inlet part. As a result, the straight tubular header body becomes dedicated to sewage, and the sewage is allowed to go straight through the inside of the straight tubular header body. Therefore, separation and retention of solids such as tissue paper contained in the sewage can be realized. It can prevent more effectively.

BRIEF DESCRIPTION OF THE DRAWINGS It is a whole block diagram of the drainage system concerning this Embodiment. It is a top view of the drainage header of FIG. It is the end view which looked at the drainage header of FIG. 2 from the drainage inlet part. It is the end view which looked at the drainage header of FIG. 2 from the drainage outlet part. It is a left view of the drainage header of FIG. It is a right view of the drainage header of FIG.

Hereinafter, the present embodiment will be described in detail with reference to the drawings.
1 to 6 are for explaining this embodiment.

  <Configuration> The configuration will be described below.

  As shown in FIG. 1, a drainage system 2 is provided to a building 1 such as a house. In this drainage system 2, the system 3 for sewage and the systems 4 and 5 for miscellaneous drainage are separately provided separately. Among these, the system 3 for sewage is provided so that the toilet 7 of each floor may be connected in the up-down direction. In addition, systems 4 and 5 for miscellaneous drainage were independent for each floor with respect to each drainage facility (at least any of them) such as bath 11, wash basin 12 and washing drainage 13 installed on each floor. It is divided into groups and provided separately. And each system of the drainage system 2 mentioned above is extended to the drainage header 16 by extending the lower end part to the floor lower part 15 of the lower floor, and connecting to the drainage header 16 installed in a substantially horizontal state in the floor lower part 15 Let them join. The drainage header 16 is connected via a drainage pipe 17 to a sewage weir installed outdoors.

  Then, as shown in FIG. 2 (to FIG. 6), the above-described drainage header 16 has a plurality of drainage inlets 21 to 23 and a single drainage outlet 25, and each drainage inlet 21 to 21 It is assumed that the drainage 26 entering from 23 is merged and discharged from the drainage outlet 25.

  In contrast to the basic configuration as described above, in this embodiment, the following configuration is provided.

(Configuration 1)
The drainage header 16,
A straight tubular header body 31 having a first drainage inlet 21 at one end and the drainage outlet 25 at the other end;
An oblique pipe portion 33 whose other end is connected to the side surface of the header body 31 at an angle θ1 larger than 90 ° toward the drainage outlet portion 25 is provided.
Then, the drainage inlets 22 and 23 different from the first drainage inlet 21 with respect to the side surface on one end side of the header main body 31 at least in the oblique piping 33 are the header of the oblique piping 33 It is made to be separately connected via the individual tube parts 36 and 37 which are diagonally crossed at an angle θ2 larger than 90 ° toward the connection with the main body 31.
Furthermore, the inspection port 41 to the upper surface of at least one of the connection portion between the header body 31 and the oblique pipe portion 33, and the connection portion between the oblique pipe portion 33 and the individual pipe portions 36, 37. 43 should be provided.

  Here, the header main body 31, the oblique pipe section 33, and the individual pipe sections 36, 37 are integrally formed of the same resin material. The header body 31, the oblique pipe portion 33, and the individual pipe portions 36, 37 each have a circular cross section, and their axis lines are substantially in the same plane, and have a required drainage gradient and are substantially horizontal. It will be installed at

  In this case, the oblique pipe section 33 may be provided on the opposite side surface or both side surfaces of the header body 31. The individual pipe portions 36 and 37 are provided singly or in plurality (two in the drawing, but may be more than two). The individual pipe sections 36, 37 are preferably juxtaposed so as to be parallel to the straight tubular header body 31. And preferably, positions of the drainage inlets 21 to 23 are aligned in a straight line with respect to a direction perpendicular to the surface of the header body 31. Thereby, the individual pipe portions 36, 37 can be provided in the diagonally intersecting pipe portion 33 with good space efficiency, and the lower end portions of the respective systems 3-5 of the drainage system 2 can be easily connected to the drainage inlet portions 21-23. can do. The drainage inlet 23 may be provided through the individual pipe 37 at one end of the oblique piping 33, or the drainage inlet 23 may be provided directly at the one end of the oblique piping 33. The drainage inlet 23 may not be provided.

  Further, the first drainage inlet 21 and the other drainage inlets 22 and 23 may be, for example, a socket having a circular cross section. On the other hand, the lower end part of each system 3-5 of drainage system 2 is made into a slot etc. of a circular section. However, the receptacle and the outlet may be reversed. Similarly to the drainage inlets 21 to 23, the drainage outlet 25 is also configured as a receiving port or an outlet having a circular cross section. And the inspection port part 41-43 shall have an inspection port and a cover part attached to this inspection port so that opening and closing is possible.

(Configuration 2)
The bottom surface of the connection portion between the header main body 31 and the diagonal cross section 33, and the bottom surface of the connection portion between the diagonal cross section 33 and the individual pipe portions 36, 37 are made as stepless shaped portion 51 without level difference. Ru.

  Here, in the stepless shaped portion 51, as described above, the height levels are aligned so that the lowermost portions of the inner wall and outer wall of the flow passage in each connection portion are positioned in the same plane. In this case, the step-free shaped portion 51 is formed by arranging the header main body 31, the obliquely cross-over tube portion 33, and the individual tube portions 36 and 37 to have the same inner and outer diameters and aligning their axial lines. To be done.

(Configuration 3)
The first drainage inlet 21 at one end of the header body 31 is referred to as a sewage inlet 55.
Further, the drainage inlets 22 and 23 of the individual pipe portions 36 and 37 are referred to as miscellaneous drainage inlets 56 and 57, respectively.

  To that end, the lower end of the above-described sewage system 3 is connected to the first drainage inlet 21 at one end of the header body 31, and the lower ends of the above-mentioned miscellaneous drainage systems 4 and 5 are individual pipe portions 36, 37 It connects with each drainage inlet part 22 and 23 of this.

  <Operation and Effect> According to this embodiment, the following operation and effect can be obtained.

(Operation effect 1)
The drainage header 16 is for joining the drainage 26 entered from each of the drainage inlets 21 to 23 and discharging the drainage 26 from the drainage outlet 25.

  And the drainage header 16 was made into the branch shape thing which has the header main body 31 which was mentioned above, the cross-intersection part 33, and the separate pipe parts 36 and 37. As shown in FIG. As a result, there is no part that bends at a steep angle of 90 ° or less, etc., and each of the drainages 26 entering from the drainage inlets 21 to 23 is moved straight to the drainage outlet 25 It becomes possible to lead. In addition, the above-described shape can prevent the backflow of the drainage 26 and the jumping of the drainage 26 into the other drainage inlets 21 to 23 and effectively prevent the retention of solid substances contained in the drainage 26 and the like. can do.

  Further, inspection holes 41 to 43 are provided on the upper surface of at least one of the connection portion between the header main body 31 and the oblique pipe portion 33 and the connection portion between the oblique pipe portion 33 and the individual pipe portions 36 and 37. Thereby, maintenance of the drainage header 16 becomes easy, and maintenance management performance can be improved.

(Function and effect 2)
The bottom surface of the connection portion between the header main body 31 and the diagonal cross section 33 and the bottom surface of the connection portion between the cross cross section 33 and the individual pipe portions 36 and 37 are used as stepless shaped portions 51 without steps. As a result, it is possible to prevent the problem that the solid matter in the drainage 26 separates and stagnates at the step portion of the bottom surface, and the flow of the drainage 26 can be improved. In addition, since there is no step portion on the bottom of the drainage header 16, the top surface of the drainage header 16 can be aligned to reduce (decrease) the height of the drainage header 16, and the installability of the drainage header 16 under the floor or the like And while improving the ease of under-floor work, the gradient securing of piping (drainage pipe 17) etc. which are connected to the drainage header 16 can be facilitated.

(Function and effect 3)
The first drainage inlet 21 at one end of the header main body 31 was used as the dirty water inlet 55. Further, the drainage inlets 22 and 23 of the individual pipe portions 36 and 37 are used as miscellaneous drainage inlets 56 and 57, respectively. As a result, the straight tubular header body 31 becomes dedicated to waste water, and the waste water is allowed to go straight only inside the straight tubular header body 31. Therefore, separation and retention of solids such as tissue paper contained in the waste water Etc. can be prevented more effectively.

  Also, although the straight tubular header body 31 is connected to an outdoor sewage weir via the drainage pipe 17, the straight tubular header body 31 is substantially linearly connected to the drainage pipe 17; Since the straight tubular header body 31 is disposed at a position closer to the sewage weirs than the oblique tube portion 33 and the individual tube portions 36 and 37, it is possible to prevent separation and retention of the solid matter, and so on. This is positionally advantageous over using the drainage inlets 22 and 23 as the sewage inlet 55. Furthermore, even if solid matter such as tissue paper has stagnated inside the straight tubular header body 31, a large amount of drainage 26 (bath 11 etc.) joined from the diagonal pipe section 33 It can be expected that the stagnant solid material will be washed away by

  Although the embodiments of the present invention have been described in detail with reference to the drawings, the embodiments are merely illustrative of the present invention. Therefore, the present invention is not limited to only the configuration of the embodiment, and it is a matter of course that the present invention is included in the present invention even if there is a design change or the like within the scope of the present invention. Further, for example, in the case where a plurality of configurations are included in each embodiment, it is needless to say that possible combinations of these configurations are included even if there is no particular description. Further, in the case where a plurality of examples and modifications are disclosed as the present invention in the embodiments, possible combinations of configurations across these are included even if there is no particular description. Of course. Further, it goes without saying that the configuration depicted in the drawings is included even if there is no particular description. Furthermore, the term "etc" is used in the sense that it includes the equivalent. Moreover, when there is a term such as "approximately", "about", "degree", etc., it is used in the sense that it includes the range and accuracy that are accepted as common sense.

DESCRIPTION OF SYMBOLS 16 drainage header 21 drainage inlet part 22 drainage inlet part 23 drainage inlet part 25 drainage outlet part 26 drainage 31 header main body 33 diagonal pipe part 36 individual pipe part 37 individual pipe part 41 inspection port part 42 inspection port part 43 inspection port part 51 nothing Stepped portion 55 Sewage inlet 56 56 Miscellaneous drainage inlet 57 Miscellaneous drainage inlet θ1 angle θ2 angle

Claims (2)

A drainage header having a plurality of drainage inlets and a single drainage outlet, and combining drainage from each of the drainage inlets and discharging the drainage from the drainage outlets;
A straight tubular header body having a first drainage inlet at one end and the drainage outlet at the other end;
And a sloped pipe portion, the other end of which is connected at an angle larger than 90 ° toward the drainage outlet portion with respect to the side surface of the header body,
A drain inlet other than the first drain inlet on at least the side surface on one end side of the header body in the oblique pipe portion is directed to the connecting portion of the diagonal pipe to the header body 90. Individually connected via individual tube sections that are cross-hatched at angles greater than
The plurality of drainage inlets are all aligned in a straight line,
Further, an inspection port is provided on the upper surface of both the connection portion between the header body and the oblique pipe portion and the connection portion between the oblique pipe portion and the individual pipe portion .
The first drainage inlet at one end of the header body is a sewage inlet,
A drainage header characterized in that each drainage inlet portion of the individual pipe portion is a miscellaneous drainage inlet portion . The drainage header according to claim 1, wherein
The drainage is characterized in that the bottom surface of the connection portion between the header main body and the oblique pipe portion and the bottom surface of the connection portion between the oblique pipe portion and the individual pipe portion are stepless shaped portions without steps. header.