JP7536706B2 - Wastewater treatment component and drainage treatment structure for drain water - Google Patents

Description

The present invention relates to a drainage treatment component that guides drain water coming out of a drain hose to a specified location, and a drainage treatment structure that uses the same.

When drain water from drain hoses of air conditioners and other appliances flows over various floor surfaces, such as the common corridors and verandas of apartment buildings, and the bases of other structures, it causes dirt and stains on the floor surfaces.
To prevent this, a drainage treatment structure has conventionally been constructed on the floor surface to guide the drain water coming out of the drain hose to a specified location such as a rain gutter or a street drain.
When constructing such a wastewater treatment structure, for example, a wastewater treatment member as described in Patent Document 1 is used.
Patent Document 1 discloses a drainage treatment structure having a drainage treatment member having a groove member laid on a floor surface and an openable and closable lid member covering the upper part of the groove member, and a drain hose attachment attached to the drainage treatment member. One side end of the lid member of the drainage treatment member is integrally connected to the groove member, and the other side end of the lid member is a free end. The other side end (insertion part) of the lid member is fitted into an insertion groove (receiving space part) that is recessed and extends in the width direction of the groove member, so that the upper part of the groove member is covered by the lid member.

JP 2009-203603 A

When installing the drainage treatment member, it is generally necessary to install the drainage treatment member on the floor surface, and then fit the insertion part of the cover member into the receiving space of the drainage treatment member to attach the cover member to the drainage treatment member. In addition, after installing the drainage treatment member, the cover member may be removed to clean the long groove of the drainage treatment member, and in this case, it is also necessary to fit the insertion part of the cover member into the receiving space of the drainage treatment member to attach the cover member to the drainage treatment member. Therefore, it is desirable that the insertion part of the cover member can be easily inserted and removed from the receiving space of the drainage treatment member.
In addition, after the drainage treatment member is installed on the floor surface, people may ride on the drainage treatment member, or wheels of a cart or a stroller may pass over it. Impact and load are applied to the drainage treatment member by the passing of wheels, etc. The cover member covering the groove member has a portion raised from the groove member to ensure a gap (a flow path through which drain water flows) between the cover member and the groove member. Therefore, when an impact is applied to the cover member by the passing of wheels, etc., the cover member is depressed downward, and when the foot pressure is removed, the cover member rises upward and returns to its original state, repeating this process. Such vertical deformation is repeated, and the deformation is also propagated to the insertion portion, so that over time, part or all of the insertion portion of the cover member may naturally come off the receiving space of the groove member. Therefore, a drainage treatment member in which the cover member is difficult to come off after installation is desired.

The object of the present invention is to provide a drainage treatment component and a drainage treatment structure using the same, in which the insertion portion of the cover member can be easily inserted into the receiving space of the groove member during installation, and the insertion portion of the cover member is unlikely to come off naturally from the groove member after installation.

The drainage treatment member of the present invention has a groove member having a long groove formed by a bottom plate portion and both bank portions through which drain water coming out of a drain hose flows, and a lid member having a main body portion covering the top of the long groove, in which a receiving space portion is provided in one or both bank portions of the groove member, and an insertion portion that can be inserted and removed into the receiving space portion is provided at one or both widthwise ends of the main body portion of the lid member, and the insertion portion of the lid member has a greater hardness than the main body portion of the lid member.

In a preferred wastewater treatment member of the present invention, the receiving space is formed by two protrusions protruding from the groove member, and the insertion portion of the cover member has a hardness greater than that of the protrusions of the groove member.
In a preferred wastewater treatment member of the present invention, the two protrusions are raised upward, and a locking portion that engages with the insertion portion is formed above at least one of the two protrusions.
In a preferred drainage treatment member of the present invention, the receiving space is provided on one bank portion of the groove member, and the insertion portion is provided on one widthwise end portion of the main body portion of the cover member, and the bank portion on the opposite side of the groove member is connected to the opposite widthwise end portion of the main body portion of the cover member.

According to another aspect of the present invention, there is provided a structure for treating drain water.
This drainage treatment structure comprises any one of the drainage treatment members described above, and a hose connector having a tubular portion into which a drain hose can be inserted and a water passage through which drain water from the drain hose flows toward the drainage treatment member, the drainage treatment member being laid on the floor surface, and the hose connector being attached to the drainage treatment member so that drain water from the drain hose flows from the water passage into the long groove of the drainage treatment member.

When the drainage treatment member of the present invention is installed, the insertion portion of the cover member can be easily inserted into the receiving space of the groove member. In addition, even if wheels pass over the drainage treatment member after installation, the insertion portion is unlikely to come off of its own accord from the receiving space. By using the drainage treatment member of the present invention, a highly durable drainage treatment structure can be constructed in which the cover member is unlikely to come off of its own accord.

FIG. 2 is a plan view of the wastewater treatment member of the first embodiment. FIG. 2 is an enlarged side view taken in the direction of arrow II in FIG. 1 . FIG. 2 is an enlarged cross-sectional view taken along line III-III in FIG. 1A is a partially enlarged side view of the insertion portion and the receiving space of the drainage treatment member, and FIG. 1B is a partially enlarged side view of the same portion with the area around the insertion portion removed from FIG. FIG. 4 is a perspective view showing the wastewater treatment member wound in a roll shape. 13 is an enlarged side view showing the state in which the insertion portion of the cover member is removed from the receiving space portion of the groove member. FIG. 11 is an enlarged side view showing the process of fitting the insertion portion into the receiving space portion. FIG. FIG. 4 is an enlarged cross-sectional view for explaining dimensions of the wastewater treatment member. FIG. 2 is a front and top perspective view of the hose connector; FIG. 4 is a perspective view of the hose connector from the rear and below. 10 is a cross-sectional view taken along line XI-XI in FIG. 9 . FIG. 13 is an enlarged cross-sectional view taken along line XIII-XIII in FIG. 12 with the upper portion omitted. 14 is a cross-sectional view taken along line XIV-XIV in FIG. 13 . 11 is a reference perspective view showing a process of attaching a hose connector to a wastewater treatment member. FIG. FIG. 13 is a partially enlarged cross-sectional view of the periphery of the insertion portion and the receiving space portion of the wastewater treatment member according to the first example of the second embodiment. FIG. 11 is an enlarged cross-sectional view of the periphery of the insertion portion and the receiving space portion of the wastewater treatment member according to the second example. FIG. 11 is an enlarged side view of a wastewater treatment member according to a third embodiment. FIG. 13 is a partially enlarged side view of the periphery of the insertion portion and the receiving space portion of the drainage treatment member of the fourth embodiment.

[First embodiment]
<Wastewater treatment components>
1 to 4, the wastewater treatment member A includes a groove member 1 having a long groove 19 through which drain water flows, and a cover member 2 having a body portion 3 that covers the upper part of the long groove 19. The long groove 19 is formed (defined) by a bottom plate portion 11 and two banks 12 and 13.
In addition, in Fig. 1, the middle part of the wastewater treatment member A, which has the same shape, is omitted. The side view shape of the wastewater treatment member A (shape when viewed from a direction perpendicular to the end face) is as shown in Fig. 2, and this shape continues in the longitudinal direction. Therefore, the cross-sectional shape when the wastewater treatment member A is cut in the width direction is the shape shown in Fig. 3 regardless of where in the longitudinal direction it is cut. Fig. 4(a) is a partially enlarged side view further enlarging the periphery of the insertion portion 6 and the receiving space portion 4. Also, for the purpose of explanation, in order to clearly show the symbols of the receiving space portion 4 and the like, a partially enlarged side view excluding the vicinity of the insertion portion 6 from Fig. 4(a) is also shown in Fig. 4(b).

Both the groove member 1 and the cover member 2 are generally thin-walled members, and as shown in Fig. 1, are long strips in plan view that extend in a direction perpendicular to the width direction (longitudinal direction). The long strips refer to a generally rectangular shape in plan view whose longitudinal length is sufficiently longer than the width direction. The longitudinal length of the wastewater treatment member A is not particularly limited and can be set appropriately, for example, 0.5 m or more, preferably 1 m or more and 200 m or less, and more preferably 2 m or more and 50 m or less. The wastewater treatment member A is usually formed to be relatively long, and is appropriately cut according to the construction site before use.
The wastewater treatment member A has flexibility. The degree of flexibility of the wastewater treatment member A is, for example, such that it can be wound in a roll around a cylindrical core C having a diameter of 20 cm under standard conditions of 23° C., 1 atmosphere, and 50% RH (see FIG. 5). The relatively long wastewater treatment member A is preferably stored and transported in a rolled state with or without a core such as a cylinder.

The gutter member 1 has a long, strip-shaped bottom plate portion 11 and two banks 12, 13 protruding upward from both sides in the width direction of the bottom plate portion 11. A concave portion in side view formed by the bottom plate portion 11 and the two banks 12, 13 is a long groove 19 extending in the longitudinal direction. The long groove 19 of the gutter member 1 is a concave portion through which drain water coming out of a drain hose flows. Hereinafter, when it is necessary to distinguish between the two banks for the sake of explanation, for convenience, the bank portion on the right side of the paper in side view of Figure 2 will be referred to as the "right bank portion 12" and the opposite side as the "left bank portion 13".
When the receiving space 4 is provided in the right bank 12 as described later, the protruding height H of the right bank 12 (see FIG. 4(a)) is not particularly limited, but is, for example, 2 mm to 6 mm, and preferably 3 mm to 5 mm. When the protruding height H of the right bank 12 is within the above range, the drain water flowing through the long groove 19 can be effectively prevented from leaking out of the wastewater treatment member A beyond the right bank 12.
One or more longitudinally extending convex portions or concave portions may be formed independently on the upper surface of the long groove 19, i.e., the upper surface of the bottom plate portion 11 sandwiched between the two bank portions 12, 13, as necessary. For example, in the illustrated example, a longitudinally extending straightening ridge 14 is provided on the upper surface of the long groove 19. In the illustrated example, three straightening ridges 14 are arranged at intervals in the width direction. The straightening ridges 14 have the function of guiding drain water in a predetermined direction.

The right bank portion 12 is provided with a receiving space portion 4. The receiving space portion 4 is a portion into which an insertion portion 6 of a lid member 2, which will be described later, can be inserted and removed.
Specifically, the right bank portion 12 has a base portion 121 and two protruding portions 122, 123 protruding from both sides of the base portion 121. Hereinafter, when it is necessary to distinguish between the two protruding portions for the sake of explanation, for convenience, the protruding portion on the right side of the paper in a side view of Fig. 2 will be referred to as the "right protruding portion 122" and the opposite side will be referred to as the "left protruding portion 123."
The inner surface of the base portion 121 and the inner surfaces of the two protruding portions 122, 123 form a continuous surface, and the receiving space portion 4 is formed (defined) by the inner surface of the base portion 121 and the inner surfaces of the two protruding portions 122, 123. The receiving space portion 4 has an opening 41, which corresponds to the gap between the inner upper end of the right protruding portion 122 and the inner upper end of the left protruding portion 123.

The width 41W (see Figure 4 (a)) of the opening 41 of the receiving space 4 may be approximately the same as the maximum width MW within the receiving space 4, but from the viewpoint of stably holding the insertion portion 6 in the receiving space 4, it is preferable that the width 41W of the opening 41 of the receiving space 4 be smaller than the maximum width MW within the receiving space 4.
Examples of configurations for forming the opening 41 having a width smaller than the maximum width in the receiving space 4 include forming a locking portion 124 extending inward (toward the left protruding portion 123) above the right protruding portion 122, forming a locking portion 125 extending inward (toward the right protruding portion 122) above the left protruding portion 123, or forming locking portions 124, 125 extending inward above the right protruding portion 122 and above the left protruding portion 123. The locking portion 124 engages with an upper portion of the insertion portion 6 so as to embrace the insertion portion 6, thereby preventing the insertion portion 6 from being inadvertently removed from the receiving space 4.
When the locking portions 124 , 125 are formed on the right protruding portion 122 and the left protruding portion 123 , the opening 41 of the receiving space 4 corresponds to the gap between the tips of the locking portions 124 , 125 .

As shown in FIG. 4B, the right protrusion 122 and the left protrusion 123 may be protruded so that a virtual line L (indicated by a dashed line) connecting the width direction center L1 of the opening 41 and the width direction center L2 of the base 121 is approximately vertical. Alternatively, although not shown in particular, the right protrusion 122 and the left protrusion 123 may be protruded so that a virtual line connecting the width direction center of the opening 41 and the width direction center of the base 121 is inclined at an acute angle with respect to the vertical direction. It is preferable that the right protrusion 122 and the left protrusion 123 are formed so that the virtual line L is approximately vertical, so that the insertion portion 6 of the cover member 2 can be easily fitted into the receiving space 4 during construction. Specifically, when the insertion portion 6 of the cover member 2 is pressed from above with a pressing tool such as a roller, the insertion portion 6 can be fitted into the receiving space 4 with a relatively small force by utilizing the weight of the pressing tool or the worker's arm, thereby reducing the fatigue of the worker.
By having the right protruding portion 122 and the left protruding portion 123 protrude upward from the base portion 121, the imaginary line L is aligned in the vertical direction, and the opening 41 of the receiving space 4 and the receiving space 4 are arranged vertically, as shown in Figure 4 (b). By having the opening 41 of the receiving space 4 and the receiving space 4 arranged vertically, it becomes easier to insert the insertion portion 6 into the receiving space 4.

The width 123W (see FIG. 4(a)) of the left protruding portion 123 is not particularly limited, but is preferably as large as possible from the viewpoint of making it difficult for the insertion portion 6 held in the receiving space 4 to come off accidentally. A left protruding portion 123 having a large width (thickness) is difficult to deform in proportion to its width, and therefore deformation of the receiving space 4 can be prevented. The width 123W of the left protruding portion 123 is, for example, 2 mm or more, and preferably 3 mm or more. The upper limit of the width 123W of the left protruding portion 123 is appropriately set taking into consideration the width of the groove member 1 (bottom plate portion 11) and the width of the long groove 19. For example, when the width of the groove member 1 is 50 mm to 60 mm and the width of the long groove 19 is 25 mm to 35 mm, the width 123W of the left protruding portion 123 is 10 mm or less.
The upper surface of the right protruding portion 122 is an inclined surface that is gently inclined downward toward the outside in the width direction. The upper surface of the left protruding portion 123 is an abutment surface 123a that abuts against an abutment surface 33a of the main body 3 (described later). For example, the upper surface (abutment surface 123a) of the left protruding portion 123 is formed in a horizontal plane.

The shape of the receiving space 4 in a side view may be substantially the same as the outer shape of the insertion portion 6 of the lid member 2, or may be mismatched and slightly larger or smaller than the outer shape of the insertion portion 6. Preferably, as shown in Figures 2 to 4, the shape of the receiving space 4 in a side view is substantially the same as or slightly smaller than the outer shape of the insertion portion 6 of the lid member 2. By making the receiving space 4 substantially the same as or slightly smaller than the outer shape of the insertion portion 6, the insertion portion 6 fitted into the receiving space 4 can be prevented from moving.
In addition, in Figures 2 to 4(a), in order to make the receiving space 4 and the insertion portion 6 easier to understand, the receiving space 4 and the insertion portion 6 are shown with a gap between them, but it should be noted that in reality, the insertion portion 6 is substantially in close contact with the receiving space 4.

The cover member 2 has a main body portion 3 that covers the upper part of the long groove 19 of the groove member 1. An insertion portion 6 that can be inserted into and removed from the receiving space portion 4 is provided at one or both widthwise ends of the main body portion 3. The insertion portion 6 extends linearly in the longitudinal direction, similar to the main body portion 3. Hereinafter, when it is necessary to distinguish between both widthwise ends of the main body portion 3 for the sake of explanation, for convenience, the end on the right side of the paper in the side view of Figure 2 will be referred to as the "right end portion 31" and the end on the opposite widthwise side as the "left end portion 32".
A portion of the cover member 2 may be connected to the channel member 1, or the cover member 2 and the channel member 1 may be independent of each other.
In this embodiment, an insertion portion 6 is provided at the right end portion 31 (one end portion in the width direction) of the main body portion 3 of the cover member 2, and the left end portion 32 (the end portion on the opposite side in the width direction) of the main body portion 3 is connected to the left bank portion 13 of the groove member 1.

Specifically, in this embodiment, the insertion portion 6 is provided only on the right end portion 31 of both ends of the main body portion 3 of the cover member 2. The left end portion 32 of the main body portion 3, which does not have the insertion portion 6, is connected to the upper surface of the left bank portion 13 of the channel member 1, and is preferably connected integrally. In this specification, "connected" means that two things (e.g., the left end portion 32 and the left bank portion 13) are connected to an extent that they cannot be easily separated and are connected to an extent that they will not be destroyed by the passage of a person, a cart, or the like after construction, and "integrally connected" means that the boundary between the two things is not visible from the outside, the two things are connected to an extent that they cannot be easily separated, and are connected to an extent that they will not be destroyed by the passage of a person, a cart, or the like after construction.
In this embodiment, the left end 32 of the main body 3 and the left bank 13 of the channel member 1 are integrally formed from the same material, and the boundary between the two parts 32, 13 cannot be discerned from the outside, but the left end 32 of the main body 3 and the left bank 13 of the channel member 1 can be conceptually distinguished. To illustrate the conceptual distinction in an easily understandable manner, the conceptual boundary between the left end 32 and the left bank 13 is shown by a dashed line in Figures 2 and 3.

The insertion portion 6 is a portion that is fitted into and held in the receiving space 4 of the gutter member 1. By fitting and holding the insertion portion 6 of the cover member 2 of this embodiment, whose left end portion 32 is connected to the left bank portion 13 of the cover member 2, into the receiving space 4, the long groove 19 of the gutter member 1 is covered by the main body portion 3 of the cover member 2. Thus, a closed flow path through which the drain water flows is formed between the main body portion 3 and the long groove 19.
The insert portion 6 is connected to the right end portion 31 of the main body portion 3, and preferably is integrally connected thereto. In this embodiment, the main body portion 3 and the insert portion 6 are integrally molded from the same material, and the boundary between the two portions cannot be discerned from the outside, but the main body portion 3 and the insert portion 6 can be distinguished conceptually. In order to illustrate the conceptual distinction in an easily understandable manner, the conceptual boundary between the main body portion 3 and the insert portion 6 is shown by a dashed line in Figures 2 and 4(a) to 4(a).

The shape of the insertion portion 6 in a side view is not particularly limited and can be set appropriately. In order to facilitate fitting the insertion portion 6 into the receiving space 4, it is preferable that the lower end of the insertion portion 6 has a portion smaller than the width of the opening 41 of the receiving space 4. In the illustrated example, the lower portion of the insertion portion 6 is an arc-shaped surface, and the lower end of the insertion portion 6 (the lower end of the arc-shaped surface) is smaller than the width of the opening 41.
In addition, since the insertion portion 6 held in the receiving space 4 is less likely to come off accidentally, it is preferable that the width of the upper part of the insertion portion 6 is smaller than the width of the middle part of the insertion portion 6 in the vertical direction. In the illustrated example, the insertion portion 6 is generally circular in side view. In this specification, generally circular includes generally elliptical. The upper end of the generally circular insertion portion 6 in side view is connected to the right end 31 of the main body 3, so that the width of the upper part of the insertion portion 6 is smaller than the width of the middle part of the insertion portion 6.
The main body 3 is formed with an abutment surface 33a that abuts against the abutted surface 123a of the left protrusion 123 at a position near the inside of the insertion portion 6. For example, the abutment surface of the main body 3 is formed in a horizontal plane. When the insertion portion 6 of the cover member 2 is fitted and held in the receiving space 4, the abutment surface 33a of the main body 3 abuts against the abutted surface 123a of the left protrusion 123. Therefore, when a wheel or the like passes over the cover member 2, the right end portion 31 side of the cover member 2 is less likely to vibrate up and down, and the insertion portion 6 can be effectively prevented from coming off the receiving space 4.

The side view shape of the main body 3 may be linear, but since it is easier for the main body 3 to return to its original shape after being deformed by a load, it is preferable for the main body 3 to have a generally arc-shaped portion that bulges upward, as in the illustrated example.
4(a), the upper surface 3c of the main body 3 and the upper surface 6c and side surface 6d of the insertion portion 6 form a continuous surface without any convex portion therebetween, and preferably, a continuous arc-shaped surface is formed between the upper surface 3c of the main body 3 and the side surface 6d of the insertion portion 6. By forming such an arc-shaped surface, stress caused by the passage of people, carts, etc. after installation is dispersed, and deformation and lifting of the insertion portion 6 can be effectively prevented. When the insertion portion 6 is fitted and held in the receiving space 4, the locking portion 124 of the right bank portion 12 covers the arc-shaped surface of the insertion portion 6, and the locking portion 124 fills the space generated between the upper surface 6c and side surface 6d of the insertion portion 6.
2 and 3, it is preferable that the main body 3 and the right bank 12 and the left bank 13 are formed so that the upper surface of the main body 3 of the cover member 2 and the upper surfaces of the right bank 12 (strictly speaking, the right protruding portion 122) and the left bank 13 of the groove member 1 form a continuous gentle mountain-shaped curve when the insertion portion 6 is fitted and held in the receiving space 4. Since the upper surface of the drainage treatment member A forms a gentle mountain-shaped curve overall in the width direction in this manner, the wheels of a cart or the like can pass smoothly over the drainage treatment member A.

If necessary, an auxiliary support portion 35 may extend downward from the widthwise intermediate portion of the main body portion 3. The auxiliary support portion 35 extends downward from the lower surface of the main body portion 3, and the lower end of the auxiliary support portion 35 may be in contact with or separated from the upper surface of the long groove 19. One or more auxiliary support portions 35 may be formed independently. In the illustrated example, one auxiliary support portion 35 extends downward from the lower surface of the main body portion 3, with the lower end of the auxiliary support portion 35 slightly separated from the upper surface of the long groove 19.
If necessary, anti-slip irregularities (not shown) may be formed on the upper surface of the main body 3. Similarly, anti-slip irregularities (not shown) may be formed on the upper surfaces of the right bank 12 (strictly speaking, the right protruding portion 122) and/or the left bank 13.

In the present invention, the insert portion 6 has a harder hardness than the main body portion 3. In other words, the main body portion 3 has a harder hardness than the insert portion 6.
The specific hardness of the insertion portion 6 is not particularly limited, but is, for example, 93 or more, and preferably 95 or more. There is no particular upper limit to the hardness of the insertion portion 6, but a realistic numerical value is 100 or less.
The difference between the hardness of the insertion portion 6 and the hardness of the main body portion 3 (hardness of the insertion portion 6-hardness of the main body portion 3) is, for example, 10 or more, and preferably 15 or more. There is no particular upper limit to the difference, but a realistic numerical value is 50 or less.
Here, in this specification, hardness refers to the hardness measured with a type A durometer in accordance with JIS K 6253-1997. For example, a measurement sample is prepared in accordance with JIS K 6253-1997, and the hardness of this sample is measured with a type A durometer. Alternatively, as a simple measurement method, a type A durometer conforming to JIS K 6253-1997 can be inserted into the insertion portion and main body of the wastewater treatment member to measure their hardness. For a specific measurement method, see the examples below.

In this embodiment, the insertion portion 6 has a greater hardness than the right protruding portion 122 and the left protruding portion 123. In this manner, when the hardness of the insertion portion 6 is greater than the hardness of the right protruding portion 122 and the left protruding portion 123, the difference in hardness between the insertion portion 6 and the right protruding portion 122 and the left protruding portion 123 is similar to the difference in hardness between the insertion portion 6 and the main body portion 3.
As described above, the right protruding portion 122 and the left protruding portion 123 are portions that form the receiving space 4 of the groove member 1, and since the hardness of the insertion portion 6 is greater than that of the right protruding portion 122 and the left protruding portion 123, when the insertion portion 6 is inserted, the right protruding portion 122 and the left protruding portion 123 deform, making it easier to insert the insertion portion 6 into the receiving space 4. Note that the hardness of the insertion portion 6 being greater than that of the right protruding portion 122 and the left protruding portion 123 is synonymous with the hardness of the right protruding portion 122 and the left protruding portion 123 being less than that of the insertion portion 6.
The hardness of the insertion portion 6 is greater than the hardness of the entire body portion 3 and the groove member 1. The hardness of the wastewater treatment member A excluding the insertion portion 6 (hereinafter, sometimes referred to as the remaining portion other than the insertion portion) is substantially the same. Even if the body portion 3 is flexible, since the end portion is provided with the insertion portion 6 having a high hardness, the end portion of the cover member 2 can maintain a substantially straight shape without meandering. Therefore, while forming the body portion 3 having excellent flexibility, it is possible to easily insert the insertion portion 6 of the cover member 2 into the receiving space portion 4 of the groove member 1.

By lifting the cover member 2 upward from the state shown in FIG. 2, the insertion portion 6 can be removed from the receiving space 4 as shown in FIG. 6. By removing the insertion portion 6, the closed flow path is opened and the long groove 19 is exposed, making it easy to perform maintenance. On the other hand, the removed insertion portion 6 can be fitted into the receiving space 4 through the opening 41 by aligning it with the opening 41 of the receiving space 4 and pressing it from above as shown in FIG. 7. Since the hardness of the insertion portion 6 of the wastewater treatment member A of the present invention is high, the insertion portion 6 can be easily pushed into the receiving space 4, and by pressing one point of the insertion portion 6, a relatively long range can be fitted into the receiving space 4. For example, as shown in FIG. 7, by aligning the insertion portion 6 with the opening 41 of the receiving space 4 and applying pressure from above the insertion portion 6 with a hand or a roller or other pressing tool, a relatively long range of the insertion portion 6 in the longitudinal direction can be fitted into the receiving space 4. After one point is inserted, the insertion portion 6 can be fitted into the receiving space 4 over the entire length by rolling a roller or the like in the longitudinal direction. In particular, since the right protrusion 122 and the left protrusion 123 are raised upward, the insertion portion 6 can be easily fitted into the receiving space 4 by pressing the insertion portion 6 downward. This makes it easier to fit the insertion portion 6 into the receiving space 4.

An example of a method for forming the insert portion 6 having a high hardness is to use a material for forming the insert portion 6 that is harder than the material for forming the remaining portion other than the insert portion.
Typically, the wastewater treatment member A having the groove member 1 and the cover member 2 is made of a molded synthetic resin, and therefore, for example, the insertion portion 6 is formed using a resin material that is harder than the resin material of the remaining portion other than the insertion portion.

The resin material contains a resin component and additives that are added as necessary. The resin component includes rubber such as synthetic rubber and elastomer.
The resin component is not particularly limited, and a conventionally known resin can be used. In general, a thermoplastic resin or a thermoplastic elastomer is used. Examples of the thermoplastic resin or the thermoplastic elastomer include vinyl chloride resins such as vinyl chloride and vinyl chloride-vinyl acetate copolymers; polyolefin resins; urethane resins; vinyl acetate resins such as ethylene-vinyl acetate copolymers; acrylic resins such as ethylene-methacrylate resins; polyamide resins; ester resins; olefin elastomers; and styrene elastomers. These can be used alone or in combination of two or more. It is preferable to use a vinyl chloride resin as the main component resin because it has excellent flexibility and is easy to process.
In this specification, the main component resin refers to the component (weight ratio) that is the largest among the resin components. However, the resin components of the main component resin do not include additives. The amount of the main component resin is more than 50% by weight, preferably 70% by weight or more, and more preferably 80% by weight or more, when the entire resin components are taken as 100% by weight. The upper limit of the amount of the main component resin is 100% by weight.
The vinyl chloride resin may be produced by an emulsion polymerization method, a suspension polymerization method, a solution polymerization method, a bulk polymerization method, etc. These vinyl chloride resins may be used alone or in combination of two or more kinds.

As the additives, conventionally known ones can be used, and examples thereof include fillers, plasticizers, flame retardants, stabilizers, moisture absorbents, antioxidants, lubricants, colorants, antifungal agents, and foaming agents.
When the main component is vinyl chloride resin, it is preferable that a plasticizer and a filler are blended as additives.
The filler is not particularly limited, and examples thereof include calcium oxide, barium carbonate, magnesium hydroxide, clay, talc, mica, heavy calcium carbonate, light calcium carbonate, silica sand, and aluminum hydroxide.
The plasticizer is not particularly limited, and examples thereof include dioctyl phthalate (DOP), diheptyl phthalate (DHP), diisononyl phthalate (DINP), trioctyl phosphate (TOP), triphenyl phosphate (TPP), dioctyl terephthalate (DOTP), dioctyl isophthalate (DOIP), and diisononyl cyclohexyl phthalate (DINCH).

By adjusting the amount of filler and plasticizer, hard and soft resin materials can be prepared. For example, by increasing the amount of filler and/or decreasing the amount of plasticizer for a given amount of polyvinyl chloride resin, a hard resin material can be obtained, and by decreasing or eliminating the amount of filler and/or increasing the amount of plasticizer for a given amount of polyvinyl chloride resin, a soft resin material can be obtained. Note that instead of or in combination with the method of adjusting the amount of filler and plasticizer, a hard resin material can also be prepared by adding inorganic fibers such as carbon or glass.

The wastewater treatment member A can be molded as a single unit by, for example, extrusion molding of a resin material. In this case, a hard resin material is placed in the molded portion of the mold (extrusion port) for the insertion portion 6, and a soft resin material is placed in the molded portion of the remaining portion of the mold other than the insertion portion, and these are co-extruded (so-called two-color molding), thereby molding a wastewater treatment member A having an integral insertion portion 6 that is harder than the remaining portion other than the insertion portion.

In the above explanation, specific dimensional ranges such as the width 123W of the left protruding portion 123 are exemplified. Here, specific dimensional ranges of other portions of the wastewater treatment member A will be exemplified with reference to FIG.
8, the width W1 of the long groove 19 is, for example, 25 mm or more and 35 mm or less, and preferably 25 mm or more and 30 mm or less. The width W2 from the left edge of the groove member 1 to the left edge of the long groove 19 is, for example, 8 mm or more and 15 mm or less. The width W2 from the left edge of the groove member 1 to the left edge of the long groove 19 is approximately equal to the width of the left bank portion 13. The width W3 from the right edge of the groove member 1 to the right edge of the long groove 19 is, for example, 18 mm or more and 25 mm or less. The width W3 from the right edge of the groove member 1 to the right edge of the long groove 19 is approximately equal to the width of the right bank portion 12. The width W4 of the uniform thickness portion of the left bank portion 13 of the groove member 1 is, for example, 2 mm or more and 6 mm or less, and preferably 3 mm or more and 5 mm or less. The width W4 of the uniform thickness portion of the left bank portion 13 of the groove member 1 is, for example, 2 mm or more and 6 mm or less, and preferably 3 mm or more and 5 mm or less. The thickness T of the body 3 of the cover member 2 near the widthwise center is, for example, 0.9 mm to 1.5 mm, and preferably 1.0 mm to 1.3 mm. The overall height HA of the wastewater treatment member A is, for example, 6 mm to 10 mm.

<Hose connector>
The hose connector is a member used to connect a drain hose to the wastewater treatment member A. As the hose connector, a conventionally known connector or a new connector developed after the filing of the present application can be appropriately used. For example, a hose connector of a type that is attached to the wastewater treatment member A while being placed on the long groove 19, or a hose connector of a type that is inserted into the flow path of the wastewater treatment member A from the end face side and attached to the wastewater treatment member A can be used. Examples of the former type of hose connector include those described in JP-A-2020-180675 and JP-A-2009-203603. Examples of the latter type of hose connector include those described in JP-A-2013-204607.
Here, we will briefly explain the hose connector described in JP 2020-180675 A.

9 to 11, the hose connector D has a case body 8 having a tubular portion 81 into which a drain hose can be inserted and a water passage port 82 through which drain water from the drain hose flows toward the drainage treatment member.
For example, two tubular portions 81 are formed. Therefore, this hose connector D can insert and hold two drain hoses into each of the tubular portions 81, 81. However, the number of tubular portions 81 may be one, or three or more.
The case body 8 is hollow and has a front wall portion 8a, a pair of side wall portions 8b, a bottom wall portion 8c connected to the lower sides of the pair of side wall portions 8b, a rear wall portion 8d connected to the pair of side wall portions 8b and the bottom wall portion 8c, and a top wall portion 8e connected to the upper sides of the pair of side wall portions 8b.
The front wall 8a is a wall that faces the side through which drain water flows when the hose connector D is attached to the drainage treatment member A, and a water passage port 82 is formed below the front wall 8a. The water passage port 82 is defined by a cutout portion formed by cutting out the entire lower portion of the front wall 8a or a part of the lower portion.
The bottom wall portion 8c is a wall portion that closes the bottom portion of the case body 8, and is provided as necessary. When the straightening ridges 14 are provided in the long grooves 19 of the wastewater treatment member A, the bottom wall portion 8c has, on its lower surface, recesses 83 into which the straightening ridges 14 are fitted, which extend in the front-rear direction.
An insertion opening for one of the tube portions 81 is formed in a portion of the top wall portion 8e. Also, an insertion opening for the other of the tube portions 81 is formed in a portion of the rear wall portion 8d.
A rib portion 84 protruding in the axial direction is formed on each of the cylindrical portions 81. The cylindrical portions 81 cooperate with the rib portion 84 to hold the inserted drain hose.

<Use of wastewater treatment components and wastewater treatment structure>
The wastewater treatment member A is installed on the floor surface.
12 to 14 show a drainage treatment structure B in which the drainage treatment member A is installed on the floor surface.
The drainage treatment structure B has a drainage treatment member A laid on the floor surface 91 and a hose connector D attached to the drainage treatment member A.
The floor surface 91 may be, for example, a common corridor of a structure such as an apartment building or a balcony, but is not limited thereto. The floor surface 91 is sloped to guide water to a gutter 95. In other words, the floor surface 91 is an inclined plane that gradually becomes lower toward the gutter 95. The slope of the floor surface 91 is also called the water gradient, and is usually 1/50 to 1/100. Therefore, water on the floor surface 91 flows from the wall surface 96 side of the structure to the gutter 95 side according to the water gradient.

The drainage treatment member A is attached to the floor surface 91 so that its longitudinal direction is substantially perpendicular to the gutter 95, for example.
The back surface of the wastewater treatment member A is fixed to the floor surface 91 via an adhesive means 92. The adhesive means 92 is not particularly limited, and examples thereof include an adhesive, a double-sided adhesive tape, etc. In the illustrated example, an adhesive is used as the adhesive means 92.
The side end faces of the floor sheet material 93 are joined to both side end faces of the wastewater treatment member A. The floor sheet material 93 may be, for example, a resin sheet material mainly made of synthetic resin, and in particular, a sheet material at least the surface of which is made of vinyl chloride resin.
The floor sheet material 93 is fixed to the floor surface 91 via an adhesive means 92 such as an adhesive or a double-sided adhesive tape. A gap filler 94 may be provided between the side end surface of the drainage treatment member A and the side end surface of the floor sheet material 93 to improve watertightness. As the gap filler 94, a resin welding rod, a sealing material, or the like can be used.

The hose connector D is attached to an end (end on the wall surface 96 side) of the drainage treatment member A. The lower surface of the case body 8 of the hose connector D is placed on and fixed to the long groove 19 of the groove member 1 of the drainage treatment member A via an adhesive means. Examples of the adhesive means include an adhesive and a double-sided adhesive tape.
For example, the front wall 8a of the case body 8 faces the gutter 95 and the rear wall 8d faces the wall surface 96, while the lower surface of the case body 8 is placed on the upper surface of the long groove 19 (the upper surface of the bottom plate portion 11), and the lower surface of the case body 8 is bonded to the upper surface of the long groove 19 via an adhesive or other bonding means (not shown), thereby attaching the hose connector D to the drainage treatment member A. In the case where the straightening ridge 14 is formed on the upper surface of the long groove 19 as described above, the hose connector D can be stably attached to the drainage treatment member A by placing the case body 8 on the long groove 19 with the groove 83 of the bottom wall portion 8c corresponding to the straightening ridge 14. Since the hose connector D is attached in a state of being placed on the long groove 19 of the groove member 1 of the drainage treatment member A, even if the fixing by the bonding means is insufficient, it is possible to prevent the drain water from leaking out of the long groove 19 from the attachment portion.

When attaching the hose connector D to the wastewater treatment member A, a predetermined portion of the cover member 2 of the wastewater treatment member A is removed to partially expose the long groove 19, as shown in Fig. 15. By placing the case body 8 on the upper surface of the exposed long groove 19 and adhering it with an adhesive or the like, the hose connector D can be attached to the wastewater treatment member A with the water passage port 82 communicating with the long groove 19.
When removing the cover member 2, it is necessary to remove the insertion portion 6 from the receiving space 4 and pull out the cover member 2. However, in the wastewater treatment member A of the present invention, the insertion portion 6 of the cover member 2 is harder than the main body portion 3, so that the insertion portion 6 of the cover member 2 can be easily removed from the receiving space 4 of the groove member 1, as described above.

A drain hose 97 is inserted into each of the cylindrical portions 81 of the hose connector D. The drain hose 97 is tightly attached to the rib portion 84 of the cylindrical portion 81 and is held within the cylindrical portion 81.
A water passage port 82 is formed in the front wall portion 8a of the case body 8, and when the hose connector D is attached to the drainage treatment member A, the water passage port 82 of the hose connector D is connected to the long groove 19. Therefore, the drain water coming out of the drain hose 97 flows from the water passage port 82 into the long groove 19 of the drainage treatment member A, and is guided through the long groove 19 to a predetermined location such as a gutter 95.

In the above-mentioned drainage treatment structure B, people walk on the top surface of the drainage treatment member A, including the top surface of the lid member 2, or wheels of a cart or stroller pass over it. When the wheels pass over it, an impact is applied to the lid member 2, and the main body 3 of the lid member 2 is depressed downward, and when the foot pressure is released, the main body 3 of the lid member 2 returns to its original shape, repeating this deformation. In the drainage treatment member A of the present invention, the insertion portion 6 of the lid member 2 is harder than the main body 3, so that even if the main body 3 of the lid member 2 is deformed by the wheels passing over it, the insertion portion 6 is less likely to deform. Therefore, after the drainage treatment member A is installed, the insertion portion 6 is naturally less likely to come off the receiving space 4.

In addition, in general, wastewater treatment members often shrink along the longitudinal direction over time, and in this case, since the groove member is fixed to the floor surface by an adhesive or other bonding means, the shrinkage is suppressed, but since the lid member is not fixed, the shrinkage may be significant. In this respect, in the wastewater treatment member A of the present invention, the insertion portion 6 provided at one end in the width direction, which is the free end of the lid member 2, has a hardness greater than that of the main body portion 3, so that the insertion portion 6 restricts the shrinkage of the main body portion 3 and suppresses the lid member 2 from shrinking over time. In particular, in this embodiment, since the opposite end of the lid member 2 is connected to the groove member 1, the shrinkage of the main body portion 3 is restricted on both sides in the width direction, and the lid member 2 can be further suppressed from shrinking over time.
In this embodiment, in which the groove member 1 and the cover member 2 are partially connected, there is no risk of losing the cover member 2 when installing the drainage treatment member A, for example.

Below, other embodiments of the present invention, such as the second embodiment, will be described. In the description, the configurations and effects that differ from the above-mentioned embodiment will be mainly described. For similar configurations, the terms or symbols will be used as they are, and the description of the configurations may be omitted.

[Second embodiment]
In the above embodiment, a method of forming an insert portion 6 having high hardness by using a hard resin material is exemplified, but, for example, a part or all of the insert portion 6 may be formed from a rigid rod-shaped body having a harder property than the resin material.
For example, the insert part 6 of the wastewater treatment member A shown in FIG. 16 is formed from a rigid rod-shaped body 61 extending in the longitudinal direction and a resin part 62 covering the periphery of the rigid rod-shaped body 61. Also, the insert part 6 of the wastewater treatment member A shown in FIG. 17 is formed from a rigid rod-shaped body 61 and a resin part 62 provided above the rigid rod-shaped body 61. In addition, in FIG. 16 and FIG. 17, the conceptual boundary between the main body part 3 and the insert part 6 is represented by a broken line. The resin part 62 may be formed from the same resin material as the above-mentioned resin material forming the remaining part other than the insert part, or may be formed from a different resin material (for example, a resin material harder than the resin material forming the remaining part). Since extrusion molding can be simplified, it is preferable that the resin part 62 is formed from the same resin material as the resin material forming the remaining part other than the insert part. Since the insertion portion 6 includes a rigid rod-shaped body 61, even if the insertion portion 6 includes a portion formed from a soft resin material, the insertion portion 6 as a whole has a greater hardness than the main body portion 3 of the cover member 2 or the remaining portion other than the insertion portion.

16 shows the insertion portion 6 having the rigid rod-like body 61 covered with the resin portion 62, while the insertion portion 6 shown in FIG 17 has the rigid rod-like body 61 exposed at its lower portion (i.e., the lower portion of the insertion portion 6 is made of the rigid rod-like body 61). The insertion portion 6 having the rigid rod-like body 61 exposed at its lower portion is hard, so that it can be easily fitted into the receiving space 4.
Alternatively, although not shown, the entire insertion portion 6 may be formed from a rigid rod-shaped body 61 .
The rigid rod 61 may be a thin, flexible metal rod, a flexible inorganic fiber rod such as carbon fiber or glass fiber, a flexible organic fiber rod such as cellulose, or a fiber-reinforced plastic rod in which fibers such as glass fiber or carbon fiber are combined with a resin such as epoxy resin or phenolic resin.

[Third embodiment]
In the above embodiment, the left end 32 of the main body 3 and the left bank 13 of the channel member 1 are connected, but the left end 32 of the main body 3 and the left bank 13 of the channel member 1 may be unconnected. In other words, the channel member 1 and the cover member 2 may be separate and independent members. In this case, as shown in Fig. 18, an insertion portion 6 is provided at the left end 32 of the main body 3, and a receiving space 4 is provided at the left bank 13 of the channel member 1. The insertion portion 6 provided at the left end 32 of the main body 3 and the receiving space 4 provided at the left bank 13 may be configured similarly to the insertion portion 6 provided at the right end 31 and the receiving space 4 provided at the right bank 12 in the above embodiment.

[Fourth embodiment]
In the above embodiment, the insert portion 6 is illustrated as being substantially circular in side view, but the shape of the insert portion 6 is not limited thereto and can be modified in various ways within the scope of the present invention. For example, as shown in Fig. 19, the insert portion 6 may be formed into a substantially trapezoidal shape in side view. As shown in Fig. 19, it is preferable that the receiving space portion 4 is also modified appropriately to match the shape of the insert portion 6 in side view.

The present invention will be described in more detail below with reference to examples and comparative examples. However, the present invention is not limited to the following examples.

[Materials used]
Resin (1)
A mixture containing 60 parts by weight of polyvinyl chloride, 10 parts by weight of dioctyl phthalate, and 30 parts by weight of calcium carbonate.
Resin (2)
A mixture containing 50 parts by weight of polyvinyl chloride, 25 parts by weight of dioctyl phthalate, and 25 parts by weight of calcium carbonate.

[Example 1]
The resins (1) and (2) were co-extruded at about 150° C. so that the insertion portion was formed from the resin (1) and the remaining portion other than the insertion portion was formed from the resin (2), thereby producing a wastewater treatment member having a cross-sectional shape as shown in FIG. 4 and FIG. 8.
The dimensions of this wastewater treatment member were: total width (W1+W2+W3) of about 55 mm, width W1 of the long groove of about 27 mm, total height HA of about 8 mm, thickness T of the main body of about 1 mm, and maximum width MW of the receiving space of about 3 mm. The insertion portion was circular in side view with a diameter of about 3.5 mm. Note that Figure 8 shows the fabricated wastewater treatment member relatively faithfully, so the remaining dimensions can be estimated from Figure 8.
The hardness of the insert part and the main body part of the wastewater treatment member of Example 1 were measured by the following measuring method. As a result, the hardness of the insert part was 95, and the hardness of the main body part was 85.

[Measurement method]
The hardness of the insertion portion and the main body portion was measured using a type A durometer (manufactured by Techlock Co., Ltd., model: GS-619N) in accordance with JIS K 6253-1997. Specifically, in accordance with JIS K 6253-1997, a measurement sample corresponding to the insertion portion was prepared by press-molding resin (1) into a plate shape of 6 mm thickness and length x width = 10 cm x 10 cm at about 150 ° C., and the indenter of the type A durometer was pressed into this sample to measure its hardness. Similarly, a measurement sample corresponding to the remaining portion other than the insertion portion was prepared by press-molding resin (2) into a plate shape of 6 mm thickness and length x width = 10 cm x 10 cm at about 150 ° C., and the indenter of the type A durometer was pressed into this sample to measure its hardness.

Instead of preparing a measurement sample and measuring the hardness in this way, the hardness can be measured directly using the insertion part and main body of the wastewater treatment member. Specifically, a cover member is cut out from the wastewater treatment member, the cut cover member is placed on a flat desk, and the hardness is measured by pushing the push needle of the Type A durometer conforming to JIS K 6253-1997 from above the insertion part. Similarly, the hardness of the insertion part and main body part is measured by pushing the push needle of the Type A durometer from above the main body part of the cover member. As a result, the results of measuring the hardness directly from the wastewater treatment member and the results of measuring the measurement sample mentioned above were almost the same numerical value. Therefore, it is considered that the hardness may be measured directly from the wastewater treatment member for simplicity.

[Comparative Example 1]
The wastewater treatment member was produced by extruding only the resin (2). The hardness of the insert part and the main body part of the wastewater treatment member of Comparative Example 1 were measured by the above-mentioned measuring method. As a result, the hardness of the insert part and the main body part were both 85.

[Wastewater treatment structure and caster test]
The wastewater treatment member of Example 1 was cut to a length of 100 cm, and the groove member was fixed on a concrete base using an adhesive (Toli Corporation's product name "US Cement"). Next, the insertion part was aligned with the opening of the receiving space part of the groove member, and the insertion part was fitted into the receiving space part by rolling a hand roller in the longitudinal direction from above near the insertion part. A caster test was carried out on the wastewater treatment structure thus produced. In the caster test, a wheel with a load of 25 kg was reciprocated in the width direction of the wastewater treatment member. The wheel was a fixed rubber wheel with rubber on its circumferential surface, with a diameter of 65 mm and a width of 27 mm.
A wastewater treatment structure was similarly produced using the wastewater treatment member of Comparative Example 1, and a caster test was carried out.

[evaluation]
The wastewater treatment member of Example 1 was able to easily fit the insertion portion of the cover member into the receiving space of the groove member using a hand roller, but the insertion portion of the wastewater treatment member of Comparative Example 1 was somewhat meandering, making it somewhat difficult to fit.
In addition, the lid member of the drainage treatment member of Example 1 did not come off from the groove member even after 1,000 round trips of the wheels, but the lid member of the drainage treatment member of Comparative Example 1 came off the receiving space portion and came off from the groove member after three round trips of the wheels.

A drainage treatment member B drainage treatment structure D hose connector 1 channel member 11 bottom plate portion of channel member 12, 13 bank portion of channel member 121 base portion 122, 123 protrusion portion 124, 125 engagement portion 19 long groove of channel member 2 lid member 3 body portion of lid member 4 receiving space portion 6 insertion portion 8 case body of hose connector 81 tube portion of hose connector 82 water passage port of hose connector 91 floor surface 97 drain hose

Claims (5)

A drainage treatment member having a groove member having a long groove formed by a bottom plate portion and both bank portions, through which drain water coming out of a drain hose flows, and a cover member having a main body portion covering an upper portion of the long groove,
A receiving space is provided in one or both of the banks of the channel member,
An insertion portion that can be inserted into and removed from the receiving space is provided at one or both widthwise ends of the body portion of the lid member,
A wastewater treatment member, wherein the insertion portion of the lid member has a hardness greater than that of the main body portion of the lid member. The receiving space is formed by two protruding portions protruding from the groove member,
The wastewater treatment member according to claim 1 , wherein the insertion portion of the cover member has a hardness greater than that of the protruding portion of the groove member. The two protrusions are raised upward,
The drainage treatment member according to claim 2 , wherein a locking portion that engages with the insertion portion is formed above at least one of the two protruding portions. the receiving space is provided in one bank portion of the groove member, and the insertion portion is provided in one end portion in a width direction of the main body portion of the cover member,
The drainage treatment member according to claim 1 , wherein a bank portion on an opposite side of the groove member and an end portion on an opposite side in the width direction of the main body portion of the lid member are connected to each other. A drainage treatment member according to any one of claims 1 to 4 , and a hose connector having a tubular portion into which a drain hose can be inserted and a water passage through which drain water from the drain hose flows toward the drainage treatment member,
The wastewater treatment member is laid on a floor surface,
A drainage treatment structure for drain water, wherein the hose connector is attached to the drainage treatment member so that drain water from the drain hose flows from the water passage into the long groove of the drainage treatment member.

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