JP3590981B2 - Drainage basin structure - Google Patents

Description

[0001]
[Industrial applications]
The present invention relates to the structure of a synthetic resin drainage basin having a cleaning port with a diameter of 300 to 400 mm, which is used as a public basin or a manhole for sewerage.
[0002]
[Prior art]
Rainwater and sewage discharged from houses and the like are guided to sewer pipes through drain pipes, and drain pipes are connected to each other at junctions and bends of these drain pipes, where the pipe diameter or pipe type changes Drainage basin is provided.
[0003]
Since this drainage basin is a place where a plurality of pipes are connected, a cleaning port connection is provided at the upper end, and the cleaning pipe is connected in a substantially vertical direction. The cleaning device is configured so that a cleaning tool can be easily inserted so as to remove dirt and the like accumulated in the basin, and cleaning can be performed.
[0004]
This cleaning mouth pipe is connected to the drainage basin by applying an adhesive to the cleaning mouth pipe connection port forming the receiving port and inserting it, but the outer diameter of the cleaning mouth pipe and the connection port The dimensional tolerance with respect to the inner diameter of the portion, that is, the setting is set so that the hammer eye becomes a shrinkage.
For this reason, conventionally, in connection work between the drainage basin and the cleaning mouth pipe, several workers press-fit the cleaning mouth pipe into the main body of the basin and connect them to each other.
[0005]
[Problems to be solved by the invention]
However, in the connection work between the conventional drainage basin and the cleaning pipe described above,
The adhesive has to be held until it is hardened, and there is a drawback that the connection operation cannot be performed smoothly.
[0006]
In addition, the connection between the connection port of the basin and the pipe to be connected has a small error in the dimensions, and the inside diameter of the connection port serving as the receiving port of the drainage basin is formed by a tapered surface that becomes slightly smaller in the depth direction. Therefore, a large force is required at the time of connection. However, due to the above-mentioned drawbacks, there is a problem that the work of connecting each other is troublesome and the connection cannot be easily performed.
[0007]
Accordingly, the present invention provides a structure of a drainage basin in which the operation of connecting a cleaning port pipe to a drainage basin can be performed smoothly and easily, and the drain basins are reliably connected to each other, in order to solve the above problems. The purpose is.
[0008]
[Means for Solving the Problems]
Next, means for achieving the above object will be described with reference to FIGS. 1 to 3 corresponding to the embodiment.
In the structure of the drainage basin 1 of the present invention, a cleaning port connection port 2 is provided at the upper end, and at least one drainage inflow pipe connection port (4) is formed on the side surface, and formed at the inner bottom. A drainage basin (1) made of a synthetic resin in which a drainage pipe connection port (6) is formed via a guide surface (5), wherein the drainage basin body is molded using a mold and In the drainage basin (1) in which the gate position of the mold at the time is the center position (O) of the outer bottom surface of the drainage basin,
Legs catch basins outer bottom surface (9) is protruded to the position corresponding to the bottom portion of the cleaning port pipe joint port (2) of the leg portions (9), wherein the drain pipe joint port of the (4) A pair of grooves (10) traversing the axis and diametrically across the cleaning port connection port (2) intersect in a substantially cross shape with the center of the axis of the drain pipe connection port (6) as the center position. The drainage pipe connecting port is formed on the outer bottom surface of the drainage basin (1) and crosses the center position (O) of the drainage basin outer bottom surface which is a substantially cross-shaped intersection of the pair of grooves (10). The molding auxiliary groove (11) is formed in a direction perpendicular to the axis of (6) .
[0009]
Further, in the structure of the drainage basin 1 of the present invention, the legs protrudingly formed on the outer bottom surface of the drainage basin have a structure that stably supports the drainage basin body to a foundation such as the ground, and is substantially L-shaped. A pair of left and right guide legs (9A) and a pair of left and right guide legs (9B) separated in the middle in a C-shape are formed. The groove (10) is disposed along the guide leg (9A) at a predetermined interval, and the groove (10) crossing in a substantially cross shape is formed by the interval between the front and rear left and right guide legs (9A, 9B). It is characterized by having.
[0010]
[Action]
A rope R is wrapped around the upper end of the cleaning pipe P connected to the cleaning pipe connecting port 2 and the bottom surface 1a of the drainage basin 1, and the rope R is drawn down to put the cleaning pipe P in the drainage basin 1. When the connecting operation is performed, the rope R is passed through the groove 10 on the bottom surface 1a of the drainage basin 1 and is wrapped around.
The groove 10 is formed in the leg 7 projecting from the outer bottom surface 1 a of the drainage basin 1, and has a diameter corresponding to the bottom of the cleaning pipe connection port 2. Since it is formed so as to cross in the direction, the rope R to be hung does not move from the bottom of the drainage tub 1 and does not come off, so that the connection operation is easily and reliably performed.
[0011]
【Example】
1 is a plan view showing an embodiment of the structure of a drainage basin according to the present invention, FIG. 2 is a sectional view taken along the line II-II in FIG. 1, and FIG. 3 is a bottom view of the drainage basin according to the embodiment.
The drainage basin 1 of this embodiment is formed from plastic such as vinyl chloride resin, and has a substantially L-shaped cross section as shown in FIG.
[0012]
At the upper end of the vertical portion, a cleaning port connection port 2 having a receiving opening shape and a diameter of 300 to 400 mm to be inserted and connected to the cleaning port pipe P (see FIG. 4) is formed.
The cleaning port connection portion 2 has a step portion 3 formed on the inner peripheral wall surface, and is formed of a tapered surface such that the inside diameter becomes slightly smaller from the opening toward the step portion 3.
[0013]
A drain-shaped inflow-pipe connection port 4 into which a drainage inflow pipe (not shown) is inserted and connected is provided on the outer surface of the drainage basin 1.
In this embodiment, three drainage inflow pipe connection ports 4 are provided as shown in FIG. 1, and drainage flows into the drainage basin 1 from three directions.
[0014]
The drainage pipe connection port 4 has a slope of, for example, 1 to 2 degrees with respect to the horizontal in order to easily flow the drainage into the drainage basin 1.
The drain inflow pipe connection port 4 is provided with an arrow 4a serving as an index when connecting each of the drainage inflow pipes.
[0015]
Next, the inner bottom portion of the drainage basin 1 is formed such that the inner surfaces continuous from the respective drainage inflow pipe connection ports 4 are respectively joined and connected, and each of the inner surfaces is continuously formed with a curved surface. A guide surface 5 that is curved in a direction substantially perpendicular to the tube axis direction is formed.
[0016]
As shown in FIG. 2, the horizontal portion of the drainage basin 1 is formed with an insertion-shaped drainage pipe connection port portion 6 which extends continuously from the guide surface 5 and is connected to a drainage pipe (not shown). Have been.
The drain pipe connection port 6 has a slope of, for example, 1 to 2 degrees with respect to the horizontal in order to easily discharge drain water from the drain basin 1.
[0017]
Further, a leg portion 7 that stably supports the main body of the drainage basin 1 on a foundation such as a ground (not shown) is formed to project from an outer bottom surface 1 a of the drainage basin 1.
As shown in FIG. 3, the leg 7 includes a support leg 8 and a guide leg 9.
[0018]
The support leg 8 is formed in a substantially U-shape, and is disposed on each of the outer bottom surfaces 4 b of the drainage inlet pipe connection ports 4 and the outer bottom surface 6 a of the drainage pipe connection port 6.
[0019]
The guide leg 9 is disposed at a position corresponding to the bottom of the cleaning port connection port 2.
As shown in FIG. 3, the guide legs 9 include a pair of front and rear guide legs 9 </ b> A having a substantially L-shaped middle part bent at a substantially right angle, and a pair of left and right guides separated halfway in a C-shape. And a leg 9B.
[0020]
The front and rear guide legs 9A are disposed so that the bent portions thereof face each other and are collinear with the pipe axis direction of the drain pipe connection port 6, and the left and right guide legs 9B are provided with the front and rear guide legs 9B. The front and rear guide legs 9A and 9B are provided along the front and rear guide legs 9A at a predetermined distance from the legs 9A, and are arranged in a substantially cross shape as shown in FIG. Have been.
[0021]
A substantially cross-shaped groove 10 is formed by the gap between the front, rear, left and right guide legs 9A, 9B.
That is, the grooves 10 are formed of a pair of grooves that cross the axis of the drain pipe connection port 6 and diametrically cross the cleaning pipe connection port 2. And a cross-shaped intersecting groove 10 centered on the axis of.
[0022]
The center position O, which is the intersection of the grooves 10, is the position of the gate of the mold when the drainage basin 1 is formed. After the drainage basin 1 is formed, the blade of the cutter for cutting off the runner is drained. The right and left guide legs 9B of the guide legs 9 are formed separately in the front and rear directions since they pass in the left and right direction with respect to the basin 1 body, that is, the axis of the drain pipe connection port 6 while traversing the center position O. Are formed in a direction orthogonal to the groove.
[0023]
Therefore, in the structure of the drainage basin 1 configured as described above, when the operation of connecting the cleaning port pipe to the drainage basin 1 is performed, as shown in FIG. (1a), the rope R is wrapped around the rope, and the rope R is wrapped around the bottom of the drainage basin 1 through the groove 10, and then the rope R is squeezed by an operator to clean the basin 1 body. The mouth tube P is press-fitted and connected.
[0024]
At this time, the guide leg 9 is formed to project from the bottom surface of the box body 1, and a groove 10 is formed in the guide leg 9, and the groove 10 traverses in the diameter direction of the cleaning port connection port 2. With such a configuration, the rope R to be wrapped around does not come off, and the work can be easily performed.
[0025]
In this connection work, the rope R is passed through the groove, and the way of passing the rope R may be a one-letter shape in the diameter direction as shown in FIGS. 5 and 6, or as shown in FIG. It may be shaped like a cross.
[0026]
Further, since the rope R hung around the groove 10 of the leg portion 7 does not come off, the cleaning pipe P can be easily pressed into the drainage basin 1 using a device such as a jack. Can be easily performed with less labor.
In this case, as shown in FIG. 8, the drainage basin 1, the cleaning port pipe P and the jack A are respectively arranged in series, the rope R is wrapped around, and the jack A is operated. And press-fit to connect.
[0027]
In the above embodiment, the case where the drainage inflow pipe connection ports 4 are provided at three places has been described. However, the number and position of the connection ports 4 are not limited to those shown in this embodiment.
[0028]
Further, in the above-described embodiment, the example in which the leg 7 is constituted by the supporting leg 8 and the guide leg 9 and the groove 10 is formed in the guide leg 9 has been described. If the shape is such that the main body can be stably installed, and the groove 10 has a shape that traverses the diameter direction of the cleaning port connection port 2 at a position corresponding to the bottom of the cleaning port connection port 2 of the leg portion 7, The shapes of the legs 7 and the grooves 10 are not limited to those shown in this embodiment.
[0029]
【The invention's effect】
As described above, in the structure of the drainage basin according to the present invention, the leg is formed so as to protrude from the outer bottom surface of the drainage basin, and a groove is formed in the leg. It is formed at the position corresponding to the bottom so as to cross the diameter of the cleaning port connection port, so wrap a rope around the top of the cleaning pipe and the bottom of the drainage basin, and pull the rope down. When connecting the cleaning mouth pipe to the drainage basin, the rope is passed through the groove at the bottom of the drainage basin and wrapped around it, so the rope may move from the bottom of the drainage basin or come off Therefore, there is an effect that the connection operation can be easily and reliably performed without performing the connection operation.
[0030]
Also, since the rope hung by the groove of the leg does not come off, it is possible to use a device such as a jack for this connection work, and it is possible to easily press-fit the cleaning pipe into the drainage basin. In addition, there is an effect that this connection operation can be performed smoothly with a small amount of labor.
[0031]
In addition, since the forming auxiliary grooves are formed in the legs, it is possible to pass the cutter blade to the outer bottom surface, which is the position of the gate of the mold at the time of forming this drainage basin, leaving runners etc. There is an effect that the excision can be performed without causing the excision.
[Brief description of the drawings]
FIG. 1 is a plan view showing an embodiment of the structure of a drainage basin according to the present invention; FIG. 2 is a sectional view taken along the line II-II in FIG. 1; FIG. FIG. 5 is an explanatory view showing a method of connecting a drainage basin and a cleaning mouth pipe according to the embodiment; FIG. 5 is a bottom view showing how to hang a rope at the time of connecting a cleaning mouth pipe to the drainage basin according to the embodiment; FIG. 7 is a bottom view showing how to hang a rope when connecting a cleaning mouth pipe to a drainage basin according to the embodiment. Explanatory drawing showing another connection method between a basin and a cleaning mouth pipe [Description of symbols]
DESCRIPTION OF SYMBOLS 1 ... Drainage basin 1a ... Outer bottom surface 2 ... Cleaning port connection port 4 ... Drainage inflow pipe connection port 5 ... Guide surface 6 ... Drain pipe connection port 7 ... Leg 10 ... Groove 11 ... Forming auxiliary groove

Claims (2)

A cleaning port connection (2) is provided at an upper end, and at least one drainage inflow pipe connection (4) is formed on a side surface, and a guide surface (5) formed on an inner bottom portion. The drainage basin (1) made of synthetic resin having the drainage pipe connection port (6) formed therein, wherein the drainage basin body is molded using a mold, and the gate position of the mold at the time of molding is determined. In the drainage basin (1), which is located at the center position (O) of the outside bottom surface of the drainage basin,
Legs catch basins outer bottom surface (9) is protruded to the position corresponding to the bottom portion of the cleaning port pipe joint port (2) of the leg portions (9), wherein the drain pipe joint port of the (4) A pair of grooves (10) traversing the axis and diametrically across the cleaning port connection port (2) intersect in a substantially cross shape with the center of the axis of the drain pipe connection port (6) as the center position. in together when formed outside the bottom of the catch basin (1), wherein the center position of the drainage桝外side bottom is substantially cross-shaped intersection of a pair of grooves (10) across the (O), the drainage pipe connection A drainage basin structure, wherein a forming auxiliary groove (11) is formed in a direction orthogonal to the axis of the mouth (6). Legs projecting from the outer bottom surface of the drainage basin have a structure for stably supporting the drainage basin body with respect to a foundation such as the ground, and a pair of front and rear guide legs formed in a substantially L-shape. 9A) and a pair of left and right guide legs (9B) separated in the middle in a C-shape, and the pair of left and right guide legs (9B) is a predetermined pair of front and rear guide legs (9A). 2. The groove (10), which is arranged at an interval and intersects in a substantially cross shape, is formed by the interval between the front, rear, left and right guide legs (9 </ b> A, 9 </ b> B). 3. The structure of the drainage basin.

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