JP4334422B2 - Rain water - Google Patents

Description

  The present invention relates to a rainwater trough that prevents the mud reservoir from floating up.

  Conventionally, as a rainwater tank that prevents the mud pool container from floating due to water accumulated in the rain water tank body, a mud pool part is formed at the bottom of the rain water tank body, and the mud pool container is detachably provided. When the leg portion provided at the bottom of the mud reservoir comes into contact with the bottom surface of the mud reservoir, a plurality of protrusions that press against the inner peripheral surface of the rainwater tank main body protrude from the outer peripheral surface of the mud reservoir. What was provided is provided (refer patent document 1).

Japanese Patent Laid-Open No. 9-41474 (page 5-7, FIG. 1)

However, in the above-described conventional configuration, since the protrusion on the outer peripheral surface of the mud reservoir is brought into pressure contact with the inner peripheral surface of the rainwater basin body, the mud reservoir is retained in the rainwater basin body. There was a problem that the force could not be maintained, and it was difficult to reliably prevent the mud storage container from floating over a long period of time.
In addition, since the plurality of projections are integrally projected on the outer peripheral surface of the mud reservoir, when the mud reservoir is inserted into the rainwater tank body, the inside of the rainwater tank body is visually observed. There is a problem that it cannot be visually confirmed whether or not the mud reservoir is completely inserted.

As a means for solving the above-mentioned conventional problems, the present invention provides an opening bottom 2 by opening the bottom of the main body 3, and a mud reservoir 4 is attached to the lower side of the opening bottom 2. A rainwater tank 1 having a mud reservoir 5 inserted therein, and a floating prevention ring 15 made of an elastic material and having a plurality of locking protrusions 16 inserted inside is provided at the lower periphery of the bottom 2 of the opening. And the upper edge of the mud reservoir 5 inserted in the mud reservoir 4 is locked by the locking protrusion 16 of the anti-lifting ring 15 to prevent the mud reservoir 5 from floating. It provides rainwater masu1.
A flange 8 is formed on the periphery of the opening bottom 2 of the main body 3, and a short cylinder 9 is suspended from the lower side of the flange 8. The upper part of the mud reservoir 4 is the short cylinder. It is preferably fitted in the portion 9, and the anti-floating ring 15 is preferably sandwiched between the flange 8 at the bottom of the main body 3 and the upper edge of the mud reservoir 4.
Further, a flange portion 12 is provided on the upper edge of the mud reservoir 5, and the locking protrusion 16 of the anti-floating ring 15 is preferably in contact with the flange portion 12 of the mud reservoir 5.
Further, at least the portion of the locking protrusion 16 is colored brightly, and when the rainwater 1 is viewed from the upper side, the locking protrusion 16 of the floating prevention ring 15 corresponds to the floating prevention ring 15. It is desirable to project from the periphery of the opening bottom 2 of the main body 3 and be visually observed.
Furthermore, it is desirable that the elastic material of the anti-floating ring 15 is a thermoplastic elastomer.
Further, it is desirable that the anti-floating ring 15 has an L-shaped cross section.

In the rainwater tank 1 of the present invention, the upper edge of the mud reservoir 5 inserted into the mud reservoir 4 is locked by the locking protrusion 16 of the anti-floating ring 15, and the mud reservoir 5 is lifted for a long time. Can be reliably prevented.
Further, the locking protrusion 16 of the levitation prevention ring 15 is easily elastically deformed, and the mud reservoir 5 can be taken in and out with the levitation prevention ring 15 attached.
Further, by disposing the plurality of locking protrusions 16 of the anti-floating ring 15 at equal intervals on the outer peripheral surface of the mud reservoir 5, the rattling when the mud reservoir 5 is inserted is eliminated, The insertion position of the mud reservoir 5 can be centered, and the mud reservoir 5 can be inserted into the mud reservoir 4 of the main body 3 without being biased.

The present invention will be described with reference to an embodiment shown in FIGS.
As shown in FIG. 1, the rainwater masu 1 has a bottom body 2 with an open bottom 2 and an open bottom 2, a mud reservoir 4 attached to the lower side of the open bottom 2, and the mud reservoir 4 And a mud reservoir 5 to be inserted.
An inspection tube connecting portion 6 for connecting an inspection tube (not shown) is provided on the upper portion of the main body 3, and drainage pipes (not shown) are connected from the left and right sides of the main body 3. The drainage pipe connection part 7 for carrying out is each extended.

As shown in FIG. 2, a flange 8 is formed on the periphery of the opening bottom 2 of the main body 3, and a short cylinder 9 is suspended from the lower side of the flange 8, and the short cylinder The lower end of 9 is provided with a locking claw 10 projecting inward.
In addition, a projecting ring portion 11 projects from the upper portion of the mud reservoir portion 4, and when the upper portion of the mud reservoir portion 4 is fitted into the short cylindrical portion 9, the engagement of the short cylindrical portion 9 is established. The pawl 10 is adapted to engage with the protruding ring portion 11 of the mud reservoir portion 4.
On the other hand, a flange portion 12 is provided around the upper edge of the mud reservoir 5, and a U-shaped handle 13 is extended from both the upper left and right sides of the mud reservoir 5, A plurality of drain holes 14 are provided in the lower part of the mud reservoir 5.

An anti-floating ring 15 having an L-shaped cross section made of an elastic material is disposed at the lower peripheral edge of the opening bottom 2 of the main body 3, and the anti-lifting ring 15 includes the flange 8 at the bottom of the main body 3 and the mud reservoir. It is sandwiched between the upper edge of the portion 4.
Four locking projections 16 are extended from the inside of the anti-lifting ring 15 and the portions of the locking projections 16 are colored in a bright color such as red, yellow, orange, pink, etc. Yes.
As shown in FIG. 3, the locking protrusion 16 of the anti-floating ring 15 protrudes from the peripheral edge of the opening bottom 2 of the main body 3 when the rainwater 1 is viewed from above. It is supposed to be.

As the elastic material of the anti-floating ring 15, hard plastic, rubber, or thermoplastic elastomer is used.
Examples of the thermoplastic elastomer include partially hydrogenated styrene-butadiene block copolymer, styrene-ethylene copolymer, polystyrene-polybutadiene-polystyrene (SBS), polystyrene-polyisoprene-polystyrene (SIS), poly (α-methyl). Styrene) -polybutadiene-poly (α-methylstyrene) (α-MeSBα-MeS), poly (α-methylstyrene) -polyisoprene-poly (α-methylstyrene), ethylene-propylene copolymer (EP), butadiene-styrene Copolymer (EP), ethylene-propylene-ethylidene copolymer, ethylene-propylene-diene copolymer, styrene-butadiene-styrene (SBS) copolymer, styrene-isoprene-styrene (SIS) copolymer, styrene -Hydrogenated polyolefin Down - styrene (SEBS) copolymers of styrene-based thermoplastic elastomer and a butadiene - styrene block copolymer, and the like are used.
In this case, the thermoplastic elastomer preferably has a hardness of JISK6253A of 60 to 90 from the viewpoint of easy coloring, and further from the viewpoint of indentation resistance and holding force (from the viewpoint of appropriate elastic deformation), JISK6253A. Particularly preferred are those having a hardness of 70-80.

  When assembling the rainwater maser 1 described above, first, the anti-floating ring 15 is placed on the mud reservoir 4, and the upper portion of the mud reservoir 4 is inserted into the short tube portion 9 of the main body 3. In the state where the levitation prevention ring 15 is sandwiched between the flange 8 of the main body 3 and the upper edge of the mud reservoir portion 4, the locking claw 10 of the short tube portion 9 is Engage with the ring portion 11.

Then, the mud reservoir 5 is first inserted into the main body 3 from the inspection tube connection portion 6 of the main body 3 and pushed into the mud reservoir 4 for insertion. At this time, the locking protrusion 16 of the anti-floating ring 15 is elastically deformed, and the flange portion 12 of the mud reservoir 5 can get over the locking protrusion 16.
On the other hand, when the mud reservoir 5 is taken out, the handle 13 of the mud reservoir 5 is grasped and the mud reservoir 5 is pulled up from the mud reservoir 4 of the main body 3 through the inspection tube connecting portion 6. Also at this time, the locking protrusion 16 of the anti-floating ring 15 is elastically deformed, and the flange portion 12 of the mud reservoir 5 can get over the locking protrusion 16.

  In the rainwater tank 1, the upper surface of the flange portion 12 of the mud reservoir container 5 is caused to rise by the rain prevention ring 15 when the mud reservoir container 5 is about to rise due to rainwater or the like accumulated inside the main body 3. The upper surface of the mud reservoir container 5 is engaged with the engaging protrusion 16 and the mud reservoir container 5 is prevented from being lifted.

As described above, the upper edge of the mud reservoir 5 inserted in the mud reservoir 4 is locked by the locking protrusion 16 of the anti-lifting ring 15 to ensure that the mud reservoir 5 is lifted over a long period of time. Can be prevented.
Further, the locking protrusion 16 of the levitation prevention ring 15 is easily elastically deformed, and the mud reservoir 5 can be taken in and out with the levitation prevention ring 15 attached.
Further, by disposing the plurality of locking protrusions 16 of the anti-floating ring 15 at equal intervals on the outer peripheral surface of the mud reservoir 5, the rattling when the mud reservoir 5 is inserted is eliminated, The insertion position of the mud reservoir 5 can be centered, and the mud reservoir 5 can be inserted into the mud reservoir 4 of the main body 3 without being biased.

In addition, a flange 8 is formed on the periphery of the opening bottom 2 of the main body 3, a short cylinder 9 is suspended from the lower side of the flange 8, and the upper part of the mud reservoir 4 is located in the short cylinder 9. The anti-lifting ring 15 is sandwiched between the flange 8 at the bottom of the main body 3 and the upper edge of the mud reservoir 4, so that the anti-lifting ring 15 can be easily attached and detached. It can be carried out.
In this case, the connection portion between the main body 3 and the mud reservoir 4 can be sealed by the levitation prevention ring 15. Therefore, a sealing member such as an O-ring becomes unnecessary, and the manufacturing cost can be reduced.
Further, since the levitation preventing ring 15 has an L-shaped cross section, the two surfaces of the inner circumferential surface and the lower surface of the levitation preventing ring 15 are the two surfaces of the outer peripheral surface and the upper surface of the upper edge of the mud reservoir 4. In addition to crimping in the vertical direction and the horizontal direction, the two surfaces, the outer peripheral surface and the upper surface of the anti-lifting ring 15, are in the vertical direction By crimping in the left-right direction, the connecting portion between the main body 3 and the mud reservoir 4 can be more reliably sealed.

  Further, a flange portion 12 is provided on the upper edge portion of the mud reservoir 5, and the locking protrusion 16 of the anti-floating ring 15 abuts on the flange portion 12 of the mud reservoir 5. The flange portion 12 of the mud reservoir 5 inserted into the inner wall 4 is locked by the locking projection 16 of the anti-lifting ring 15 and can surely prevent the mud reservoir 5 from being lifted for a long time. When the mud storage container 5 is taken in and out, the locking protrusion 16 of the anti-floating ring 15 is elastically deformed and gets over the flange portion 12, so that the mud storage container 5 can be taken in and out easily.

  Further, the portion of the locking protrusion 16 of the anti-lifting ring 15 is colored with a different color from the main body 3 and the mud reservoir 5 and is vividly colored. Since the locking protrusion 16 of the floating prevention ring 15 protrudes from the periphery of the opening bottom 2 of the main body 3 and is visually observed, the protruding portion of the locking protrusion 16 from the upper side of the main body 3 is easy to see. Whether the mud reservoir 5 is completely inserted into the mud reservoir 4 can be easily confirmed visually.

Furthermore, if the elastic material of the anti-floating ring 15 is a thermoplastic elastomer as described above, the thermoplastic elastomer is easily elastically deformed and easily colored.
That is, when the thermoplastic elastomer has a hardness of JISK6253A of 60 to 90, it is particularly easy to be colored vividly, and the thermoplastic elastomer has a hardness of JISK6253A of 70 to 80. When the mud reservoir 5 is taken in and out, the locking protrusion 16 of the anti-lifting ring 15 is elastically deformed appropriately, and the flange portion 12 of the mud reservoir 5 is The retaining protrusion 16 can be easily climbed over, and when the mud pool container 5 is about to float up due to rainwater or the like accumulated inside the main body 3, the retaining protrusion 16 causes the mud reservoir container to rise. The upper edge of 5 can be latched and held, and the mud reservoir 5 can be reliably prevented from rising.

The embodiments of the present invention have been described above by way of examples. However, the scope of the present invention is not limited to these embodiments, and can be changed or modified in accordance with the purpose within the scope of the claims. It is.
For example, in the present embodiment, the case where the levitation prevention ring 15 has an L-shaped cross section is illustrated, but the levitation prevention ring 15 may be a flat ring shape other than the present embodiment.
Further, the locking protrusion 16 of the anti-floating ring 15 may be, for example, a protrusion as long as it can easily get over the flange portion 12 of the mud reservoir 5 and is not particularly limited in shape.

  The present invention can reliably prevent the mud storage container from floating over a long period of time, is easy to put in and out of the mud storage container, and can further insert the mud storage container without bias. As a matter of fact, it can be used industrially.

It is a disassembled perspective view of rainwater masu. It is a description sectional side view of rainwater masu. It is an explanation top view of rainwater masu.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Rainwater 2 Opening bottom 3 Mass body 4 Mud reservoir 5 Mud reservoir 8 Flange 9 Short cylinder 12 Flange 15 Lifting prevention ring 16 Locking protrusion

Claims (6)

Firstly, the bottom of the main body is opened to provide an opening bottom, a mud reservoir is attached to the lower side of the opening bottom, and a mud reservoir is inserted into the mud reservoir.
An anti-floating ring made of an elastic material with a plurality of locking protrusions inserted inside is arranged at the lower peripheral edge of the bottom of the opening, and is inserted into the mud pool by the locking protrusions of the anti-lifting ring. The upper edge of the mud reservoir is locked to prevent the mud reservoir from floating.   A flange is formed at the periphery of the bottom of the opening of the main body, and a short cylinder part is suspended from the lower side of the flange, and the upper part of the mud reservoir is fitted into the short cylinder part. 2. The rainwater according to claim 1, wherein the levitation preventing ring is sandwiched between the flange at the bottom of the main body and the upper edge of the mud pool.   3. The rainwater according to claim 1, wherein a flange portion is provided at an upper edge portion of the mud reservoir, and the locking protrusion of the anti-floating ring comes into contact with the flange portion of the mud reservoir. .   The anti-lifting ring is colored at least at the locking protrusion, and when the rainwater is viewed from above, the locking protrusion of the anti-lifting ring extends from the periphery of the bottom of the opening of the main body. The rainwater according to any one of claims 1 to 3, wherein the rainwater is visually observed.   The rainwater according to any one of claims 1 to 4, wherein the elastic material of the anti-floating ring is a thermoplastic elastomer.   6. The rainwater according to claim 1, wherein the anti-floating ring has an L-shaped cross section.

Images