JP2000273941A - Drainage basin structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a drainage basin structure which can prevent water leakage to a lower portion of a drainage pipe, can prevent degradation of workability and economy, and can perform minute vertical height adjustment of the drainage pipe without forming uneven steps by a cover after construction of a floor. SOLUTION: A drainage basin 5 which can be inspected and cleaned is provided for a drainage pipe 4 which is laid in an under-floor space 3 of a building. The drainage basin comprises a drainage basin main body 51, a cover frame 52, and a cover 53. The main body 51 has its lower portion installed onto the drainage pipe and its upper portion upward protrude toward a floor 1. The cover frame 52 has its entire peripheral surface 52b fitted in the floor and its upper edge opened in an upper surface 12 of the floor. The cover 53 is detchably provided for an upper edge opening rim of the cover frame. First, the main body is internally fitted into the internal peripheral surface of the cover frame via a packing 54, and connected to the cover frame in a manner being movable in an axis (m) direction and being rotatable about the axis.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a truss structure for drainage, inspection, or cleaning of a drain pipe laid under a floor in an indoor drainage facility of a building or the like.

[0002]

2. Description of the Related Art Generally, such a trout is provided at a predetermined position in a longitudinal direction of a drainage pipe laid under a floor of a building, and the drainage pipe can be drained, inspected or cleaned.

As disclosed in Japanese Patent Publication No. Sho 62-60549, for example, a substantially cylindrical square body protruding upward with respect to a drain pipe, and an opening at an upper end of the body are increasingly closed. Equipped with a lid provided integrally and a holder temporarily held on the slab formwork, cast slab concrete with the main body attached to the drain pipe set on the slab formwork by the holder By adopting a so-called pre-installation method, it is possible to install a slab at the same time as slab making, that is, floor construction.

[0004] Further, as another structure, a main body and a lid are provided, and an opening necessary for constructing a drain pipe at the time of floor construction is previously provided on the floor. Some employ a so-called retrofitting method in which plasterers work to block floor openings.

[0005]

[Problems to be Solved by the Invention] However, in the former structure, which adopts the pre-adhesion method, the main body and the lid are installed integrally, that is, the lid is opened and closed directly with respect to the main body. Since the lid is provided, the lid is positioned at the same height with respect to the floor surface in a state where the main body is simultaneously constructed when the floor is constructed. Therefore, the main body is provided integrally with the drainage pipe including the lid, and it is not possible to finely adjust the vertical height of the drainage pipe under the floor after the floor is constructed. The reason is that if the height is adjusted so that the drain pipe is positioned upward, the lid is positioned above the floor surface, and a convex step is generated. Further, if the height is adjusted so that the drain pipe is positioned below, the lid is positioned below the floor surface, and a concave step is generated.

[0006] On the other hand, the latter truss structure adopting the retrofitting method has the same problems as the former truss structure, and also requires plastering work after the construction, which requires man-hours for the workability and economy. There is a new problem that lacks.

Therefore, in consideration of the delicate vertical adjustment of the height of the drain pipe after floor construction, the amount of upward protrusion of the main body is set to be small, and the lid is separately configured from the main body. That is, it is conceivable that the lid is supported on the periphery of the opening on the floor surface. However, in this case, since the lid and the main body are separated from each other, there is a possibility that drainage may leak to the outside of the main body through the drainage hole of the lid, for example, when the drainage is performed to the main body. Leakage is a concern.

[0008] The present invention has been made in view of the above-mentioned points, and aims at preventing water leakage below the drain pipe and preventing deterioration of workability and economic efficiency. An object of the present invention is to provide a structure capable of performing a fine vertical adjustment of the height of a drainage pipe without causing uneven steps due to a lid after construction of a floor.

[0009]

Means for Solving the Problems In order to achieve the above object, a solution taken by the invention according to claim 1 is, as a structure, provided at a predetermined position in a longitudinal direction of a drain pipe laid under a floor of a building. The drainage pipe will be provided with a basin that allows drainage, inspection or cleaning. The main body has a lower part attached to a drain pipe and an upper part protruding toward the floor, a lid frame having at least a part of an outer peripheral surface fitted to the floor, and an upper end opening to the floor of the building. And a lid detachably provided to the upper edge of the lid frame. The main body is connected to the lid frame movably in the axial direction.

In the case of the first aspect, since the main body is connected to the lid frame so as to be movable in the axial direction, that is, in the vertical direction, the slab is formed with the upper opening edge (lid) of the lid frame coincident with the floor surface. When concrete is cast, the lid frame is fitted into the through hole, but it will be installed at the same time as the floor is installed. On the other hand, as long as a through-hole corresponding to the upper opening edge (lid) of the lid frame is opened on the floor, the lid frame is simply moved upward or downward with respect to the main body through the through-hole, and the lid frame is closed. The upper opening edge is positioned at the same height with respect to the floor, and will be constructed after the floor is constructed. As a result, the floor is installed irrespective of the construction time of the floor, and plastering work after the construction is not required, thereby improving workability and economic efficiency.

When the height of the drain pipe is adjusted so as to be positioned upward or downward after the floor is constructed, the amount of vertical movement caused by the height adjustment is absorbed more and more between the main body and the lid frame. Become. For this reason, there is no convex step where the lid is located above the floor surface and no concave step where the lid is located below the floor surface. Height adjustment in the direction can be performed smoothly.

In addition, the amount of movement in the vertical direction due to the height adjustment of the drain pipe is absorbed between the main body and the lid frame, so that the lid is provided directly without separating from the upper opening edge of the lid frame. Can be For this reason, when water is drained to the main unit through the drain hole of the lid, drainage from the lid is performed smoothly to the main unit through the lid frame. Thus, it is possible to reliably prevent water leakage below the drain pipe.

Further, since the main body and the lid frame are separated from each other, if the upper opening edge of the lid frame is positioned on the floor, the height position of the main body (drain pipe) can be set. Alternatively, the drain pipe can be installed at an ideal slope.

In the case where the main body is connected to the lid frame so as to be rotatable around its axis, the drain pipe is connected to the lid frame via the main body after the floor is constructed. When the rotation is adjusted around the axis, the amount of movement in the circumferential direction due to the rotation is absorbed between the main body and the lid frame. For this reason, it becomes possible to adjust the drainage pipe under the floor in the circumferential direction of the lid frame after the floor is constructed.

In this case, since the main body can be moved up and down with respect to the lid frame and pivotable about its axis, the drainage pipe can be rearranged or the pipe can be replaced while the floor is being constructed. Can be performed smoothly.

Further, when the main body is fitted inside the inner peripheral surface of the lid frame via packing as in the third aspect, a seal between the main body and the lid frame, which are separate bodies, is provided. The sealability is effectively ensured by the packing, so that drainage leakage to the outside of the main body is surely eliminated, and it is possible to more reliably prevent water leakage below the drainage pipe.

Further, when the main body is connected to the lid frame via an adhesive which cures after a lapse of a predetermined time, a predetermined time until the adhesive hardens (for example, 5 (Approximately one minute), it is possible to absorb the amount of vertical movement by adjusting the height of the drain pipe between the main body and the lid frame. In addition, the hardening of the adhesive after a lapse of a predetermined time causes the main body and the lid frame to be fixed immovably in the vertical direction, so that the water can be reliably prevented from leaking down the drain pipe, and the height of the drain pipe can be adjusted. It is possible to reliably prevent a later displacement between the main body and the lid frame and the like, and it is also possible to increase rigidity between the main body and the lid frame.

[0018]

Embodiments of the present invention will be described below with reference to the drawings.

1 and 2 show a structure according to an embodiment of the present invention. In FIG. 1, reference numeral 1 denotes an upper floor on the upper and lower floors of a multi-storey building, 2 denotes a lower floor ceiling,
In an underfloor space 3 (below the floor) between the floor 1 and the ceiling 2, a drain pipe 4 extending in a substantially horizontal direction is provided. The drain pipe 4 is supported by a support member (not shown),
It is laid so as to float on the ceiling 2 by a predetermined amount. At predetermined locations in the longitudinal direction of the drain pipe 4 (for example, at a plurality of locations at predetermined intervals), there are provided squares 5 and 5 (only two locations are shown in FIG. 1) for inspecting or cleaning the drain pipe 4. .

As shown in FIG. 2, each square 5 has a substantially cylindrical square body 51, a substantially cylindrical lid frame 52 larger in diameter than the square body 51, and an upper end opening of the lid frame 52. Edge 5
2a. In this case, the main body 51 and the lid frame 52 are configured separately from each other.

The lower part of the main body 51 is integrally attached to the drain pipe 4 so that the inside of the drain pipe 4 can be seen. The upper part of the main body 51 protrudes upward toward the floor 1, and its upper end opening edge 51 a is located near the lower part of the floor 1. In this case, since the amount of protrusion of the upper part of the main body 51 has a difference in the height of the underfloor space 3,
They are sufficiently secured and cut to an appropriate length at the time of construction.

The cover frame 52 is made of a concrete material and has the same dimension in the axial direction (vertical direction in the figure) as the dimension in the thickness direction (vertical direction) of the floor 1. The lid frame 52 is
The entire area of the outer peripheral surface 52b is fitted to the inner surface of the through hole 11 formed in advance at a position corresponding to the floor 1 corresponding to the lid frame 52. In this state, the upper opening edge 52a of the lid frame 52 is The upper surface 12 (floor surface) coincides with the upper surface 12 (floor surface).
At this time, the main body 51 is in a sub-assembly state fitted inside the lid frame 52.

The through hole 11 is in a state where the lid frame 52 is extended upward with respect to the main body 51 so that the upper end opening edge 52a of the lid frame 52 coincides with the upper surface 12 of the floor 1 (FIGS. 1 and 2). In the state shown in (1), slab concrete is cast so as to be opened at the same time as the floor 1 is constructed.

At the upper end of the inner peripheral surface 52c of the lid frame 52, there is provided a step 52d having an enlarged diameter of the inner peripheral surface 52c. A lid 53 is fitted into the step 52d. The lid 53 is detachably provided to the step 52d of the lid frame 52.

At the lower end of the inner peripheral surface 52c of the lid frame 52, there is provided an annular packing 54 for sealing the outer peripheral surface 51b of the main body 51 over the entire area in the circumferential direction. The packing 54 is provided on the outer peripheral surface 51b of the main body 51 (contact surface).
The main body 51 is interposed so as to be connected to the lid frame 52 so as to be movable in the direction of the axis m and rotatable around the axis m.

In the case of this embodiment, the outer peripheral surface 51b of the main body 51 is connected to the inner peripheral surface 52c of the lid frame 52 so as to be movable in the direction of the axis m, that is, up and down, and rotatable around the axis m. Therefore, the upper end opening edge 52a of the lid frame 52 (the lid 5
3) If slab concrete is cast in a state where the lid frame 52 is extended upward so that it coincides with the upper surface 12 of the floor 1, the slab 5 in which the lid frame 52 is fitted into the through hole 11 can be used to construct the floor 1 It will be constructed at the same time. This eliminates the need for plastering work after 5 constructions, thereby improving construction efficiency and economy.

When the height of the drain pipe 4 is adjusted so as to be positioned upward or downward after the floor 1 is constructed, the amount of vertical movement of the drain pipe 4 due to the height adjustment increases.
And the lid frame 52 are absorbed in the direction of the axis m. For this reason, a convex step in which the lid is located above the upper surface of the floor and a concave step in which the lid is located below the upper surface of the floor do not occur.
Delicate vertical height adjustment of the drain pipe 4 can be performed smoothly.

When the drain pipe 4 is rotated around the axis m with respect to the lid frame 52 via the main body 51 after the floor 1 is installed, the amount of movement in the circumferential direction due to the rotation adjustment is increased.
1 and the lid frame 52 will be absorbed. For this reason, after the floor 1 is constructed, the drain pipe 4 of the underfloor space 3 is connected to the lid frame 5.
2 can be adjusted in the circumferential direction.

Moreover, since the main body 51 can be moved vertically with respect to the lid frame 52 and can be rotated around its axis m, the arrangement of the drain pipe 4 or the pipe replacement can be changed after the floor 1 is constructed. It can be done smoothly.

In addition, since the main body 51 and the lid frame 52 are separate bodies, if the upper end opening edge 52a of the lid frame 52 is positioned on the upper surface of the floor 1, the main body 51 (drain pipe 4) The height position can be set in any manner, and the drain pipe 4 can be installed at an ideal slope.

Further, since the main body 51 is fitted inside the inner peripheral surface 52c of the lid frame 52 via the packing 54, the outer peripheral surface 51b of the main body 51 and the inner peripheral surface 5 of the lid frame 52 are formed.
The sealability between the drainage pipe 2c and the seal 2c is effectively ensured by the packing 54, and drainage leakage to the outside of the main body 51 can be reliably prevented, and water leakage downward to the drainage pipe 4 can be reliably prevented.

In the present embodiment, the packing 54 is interposed between the lower end position of the inner peripheral surface 52c of the lid frame 52 and the outer peripheral surface 51b of the main body 51. However, as shown in FIG. After a predetermined time (for example, about 5 minutes) elapses between the portion where the main body 51 and the main body 51 overlap each other, that is, between the lower end position of the inner peripheral surface 52c of the lid frame 52 and the upper end position of the outer peripheral surface 51b of the main body 51 The main body 5 is formed by applying an epoxy-based two-component adhesive 61 that cures.
1 may be connected to the lid frame 52. In this case, a predetermined time until the adhesive 61 is cured (for example, 5
(Approximately), the vertical movement of the drain pipe 4 by adjusting the height is absorbed between the main body 51 and the lid frame 52 so that the height of the drain pipe 4 can be adjusted smoothly. Can be. Moreover, by the hardening of the adhesive 61 after the lapse of a predetermined time, the main body 51 and the lid frame 52 are fixed so as not to be able to move in the vertical direction, so that it is possible to surely prevent water leakage below the drain pipe 4.
It is possible to reliably prevent the displacement between the main body 51 after the height adjustment of the drain pipe 4 and the lid frame 52 and the like.
And the lid frame 52 can be made rigid.

In the present embodiment, the lid frame 52 is positioned such that the upper edge 52 a of the lid frame 52 coincides with the upper surface 12 of the floor 1.
5 at the same time as the construction of the floor 1 by extending the
The upper part (part) of the outer peripheral surface of the lid frame
Only the floor may be fitted into the through hole in the floor.
In this case, as long as the through hole is opened in the floor, the upper edge of the lid frame is positioned at a height corresponding to the floor surface by moving the lid frame downward or upward with respect to the main body. It becomes possible. As a result, the construction is performed after the construction of the floor, and it is possible to construct the sill independently of the construction time of the floor.

In addition, in the present embodiment, the description has been made of the stub 5 for inspecting or cleaning the drain pipe 4.
It can be a drain to drain the drain,
A drainage hole will be formed in the lid of this square. In this case, since the lid is provided directly without leaving the upper edge of the lid frame, drainage through the drain hole of the lid is securely sealed by packing through the lid frame. Since the operation is smoothly performed up to the main body, it is very advantageous in preventing water leakage below the drain pipe.

Moreover, in the present embodiment, the main body 51 is fitted inside the lid frame 52, but only the upper part of the outer peripheral surface of the lid frame is fitted into the through hole in the floor, so that The main body may be fitted to the lower part of the outer peripheral surface of the lid frame. In this case, the drainage flowing along the inner peripheral surface of the lid frame is smoothly and surely performed along the inner peripheral surface of the main body with the large diameter,
This is very advantageous for implementation.

In this embodiment, the lid frame 52 is made of a concrete material. However, the lid frame may be made of a material different from slab concrete, for example, a steel material. In this case, the outer peripheral surface of the lid frame is subjected to processing such as sanding to enhance the adhesion of the lid frame to the through hole of the floor.

Further, in the present embodiment, the packing 54 is provided at the lower end position of the inner peripheral surface 52c of the lid frame 52. However, the inner peripheral surface of the lid frame is provided at the upper end position of the outer peripheral surface of the main body over the entire circumferential direction. Needless to say, an annular gasket for sealing with a seal may be provided.

Further, in this embodiment, the main body 5
Although 1 is connected to the lid frame 52 so as to be movable in the direction of its axis m and rotatable around the axis m, the main body may be connected to the lid frame so as to be movable only in its axis direction. good.

[0039]

As described above, according to the masque structure of the first aspect of the present invention, the main body is connected to the lid frame so as to be movable in the axial direction, so that the main body is independent of the floor construction time. Construction can improve workability and economy, and the floor can be delicately adjusted in the vertical direction after the floor is installed, and water leaks down the drain. Can be reliably prevented. Moreover, the drain pipe can be installed at an ideal gradient by separately forming the main body and the lid frame.

According to the masque structure of the second aspect of the present invention, by connecting the main body to the lid frame so as to be rotatable around the axis, the drainage pipe under the floor can be moved in the circumferential direction of the lid frame after construction of the floor. In addition to being able to adjust the rotation, it is possible to smoothly change the arrangement of drainage pipes or change pipes while the floor is being constructed.

According to the third aspect of the present invention, the main body is fitted into the inner peripheral surface of the lid frame through the packing, so that the sealing performance between the main body and the lid frame is improved. And water leakage below the drain pipe can be more reliably prevented.

Further, according to the masque structure of the fourth aspect of the present invention, the height of the drainage pipe within a predetermined time can be increased by connecting the main body to the lid frame via an adhesive which cures after a predetermined time has elapsed. Adjustments can be made. Then, the main body and the lid frame are fixed by the hardening of the adhesive after a lapse of a predetermined time, thereby preventing the water leakage to the lower part of the drainage pipe, and also reliably preventing the main body and the lid frame from being displaced. In addition, the rigidity between the main body and the lid frame can be increased.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of the vicinity of a drain pipe having a skewer structure according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of the vicinity of the masturbator.

FIG. 3 is a cross-sectional view around a sash according to a modification.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 floor 11 through-hole 12 upper surface (floor surface) 3 underfloor space (under floor) 4 drain pipe 5 masu 51 body 51b outer peripheral surface 52 lid frame 52a upper end opening edge 52b outer peripheral surface 52c inner peripheral surface 53 lid 54 packing 61 adhesive m Axis

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Shiro Kanada 6-8-4 Nakatsu, Kita-ku, Osaka-shi Nishihara Sanitary Industry Co., Ltd. Osaka store (72) Inventor Yoshihiro Morikawa 6-8 Nakatsu, Kita-ku, Osaka-shi No. 4 Inside the Nishihara Sanitary Industry Co., Ltd. Osaka store (72) Inventor Shigeru Shibahara 75, Nojiri, Ritto-cho, Kurita-gun, Shiga Prefecture Inside Sekisui Tubing Technics Co., Ltd. (72) Inventor Nozomi Miyamoto 2-4-4 Nishitenma, Kita-ku, Osaka-shi Sekisui Chemical Co., Ltd. F term (reference) 2D063 BA17 DA15 DA18 DA20

Claims (4)

[Claims] Claims: 1. A drainage pipe laid under a floor of a building is provided at a predetermined position in a longitudinal direction with a drainage pipe that can be drained, inspected, or cleaned, and a lower part of the square is attached to the drainage pipe. And a body whose upper part protrudes toward the floor, a lid frame in which at least a part of the outer peripheral surface is fitted to the floor, and an upper end opening to the floor of the building, and an upper opening edge of the lid frame. The lid has a detachably mounted lid, and the main body is connected to the lid frame movably in the axial direction. 2. The structure according to claim 1, wherein the main body is rotatably connected to the lid frame around an axis thereof. 3. The structure according to claim 1, wherein the main body is fitted inside the inner peripheral surface of the lid frame via a packing. 4. The square structure according to claim 1, wherein the main body is connected to the lid frame via an adhesive that cures after a predetermined time has elapsed.