JP6600852B2 - Water stop device - Google Patents

Description

  The present invention relates to a water stop device that prevents water from entering from one side to the other. More specifically, the water stop device has a small number of parts and has no worries about water stoppage, despite having a rotatable connecting structure. Relates to the device.

  In recent years, record guerrilla heavy rain has occurred frequently in various places due to abnormal weather. In urban areas, almost all roads are paved, so if guerrilla heavy rain occurs, the rainwater hardly flows into the ground and flows from the sewerage facility to the river all at once. Rainwater erupts on the road surface, causing damage such as flooding of roads, inundation of buildings, and inflows from entrances to underground shopping streets.

  Conventionally, against such flood damage, sandbags were piled up at openings such as entrances and exits of underground malls to provide water-impervious walls to prevent inundation into the buildings and underground malls. However, since the sandbag is heavy, it takes a lot of labor and time for the stacking work, and it is not easy to secure a storage place because it is bulky.

In view of such circumstances, the assembly and connection type rotatable, comprising a vertical panel, a horizontal panel, a hinge that rotatably connects these panels, and a waterproof sheet that covers the surfaces and connecting portions of these panels. A simple water stop plate has been proposed (Patent Document 1).
Since this simple water stop plate can be assembled and connected, it can be quickly installed by opening the vertical and horizontal panels at a depression angle of about 70 ° in the event of a flood. A waterproof sheet covering the surface and the connecting portion can exhibit a water stop effect.

JP 2001-90041 A

However, the simple waterstop plate of Patent Document 1 is troublesome to assemble because of the large number of parts, and there is a risk of flooding because there is concern about the durability of the waterproof sheet.
The present invention has been made under the above circumstances, and the problem to be solved is that the number of parts is small even though the vertical water surface material and the horizontal water surface material are connected in a rotatable structure. The object of the present invention is to provide a water-stop device that is free from anxiety in terms of water-stop.

  In order to solve the above-mentioned problem, the water stop device according to the invention of claim 1 is a water stop device that prevents water from entering from one side to the other, and the vertical water stop surface material and the horizontal water stop surface material can rotate with respect to each other. It is connected, and one rotary connection part is formed integrally with the vertical water stop surface at the lower end front side of the vertical water stop surface material, and the other rotary connection at the rear end upper surface side of the horizontal water stop surface material The part is formed integrally with the transverse water face material.

And the water stop apparatus which concerns on invention of Claim 2 is the water stop apparatus of Claim 1, One rotation connection part is a vertical water stop surface ranging from the lower end front surface side of a vertical water surface material to the bottom surface front side. Is formed integrally with the material, and is characterized in that the other rotation connecting portion is formed integrally with the lateral water surface material on the rear end upper surface side of the lateral water surface material,
The water stop device according to the invention of claim 3 is the water stop device according to claim 1 or claim 2, wherein the rotation center portion is integrally formed with one or / and the other rotation connecting portion. It is characterized by
A waterstop device according to a fourth aspect of the present invention is the waterstop device according to any one of the first to third aspects, wherein one pivotal connection portion and the other pivotal connection portion are a vertical waterstop surface material. It is characterized by being formed over the entire width direction of the lateral waterstop material,
The water stop device according to the invention of claim 5 is the water stop device according to any one of claims 1 to 4, wherein the angle between the vertical water stop material and the lateral water stop surface material in a state where the water stop device is open. Is 90 ° or more and 120 ° or less,
The water stop device according to the invention of claim 6 is characterized in that, in the water stop device according to any one of claims 1 to 5, a rotation stopper is provided at the rotation connecting portion. Yes,
The water stop device according to the invention of claim 7 is the water stop device according to any one of claims 1 to 6, wherein the vertical water stop face member includes a connecting member at the lower end, The rotating connection part is formed integrally.

  In the water stop device according to the first aspect of the present invention, since one rotary connecting portion is integrally formed on the front surface of the lower end of the vertical water stop face material, even if the inside of the rotary connecting portion is submerged, the water stop device There is no risk of flooding on the back side of the. Therefore, there is no need to stop the rotating joint between the vertical and lateral water surface members with a separate member such as a waterproof sheet, so the number of parts is reduced and there is a risk of flooding due to deterioration or damage of the waterproof sheet. There is no water stoppage. In addition, since one rotating connection part is formed integrally with the vertical water surface material and the other rotating connection part is formed integrally with the horizontal water surface material, it is used for extra connections such as hinges and their mounting screws. No additional parts are required, and the number of parts can be further reduced by that amount.

  And like the water stop device concerning the invention of claim 2, one rotation connection part is formed in one with the vertical water stop material from the lower end front side of the vertical water stop material to the bottom front side, If the other pivotal connecting part is formed integrally with the lateral water surface material on the rear end upper surface side of the lateral water surface material, the vertical water surface material can be overlaid and folded on the lateral water surface material, Multiple folded water stop devices can be stacked for compact storage and transportation, and when the vertical water surface material is erected directly above, the bottom surface of the vertical water surface material and the bottom surface of the horizontal water surface material The water stop device can be installed on the installation surface with the same height.

  Further, as in the water stop device according to the invention of claim 3, when the rotation center part is formed integrally with one or / and the other rotation connection part, the rotation connection part and the rotation center part Since there is no gap between them, it is possible to reliably prevent flooding, the number of parts is reduced, and the structure is simplified.

  Moreover, like the water stop apparatus which concerns on invention of Claim 4, one rotation connection part and the other rotation connection part are formed over the whole width direction of a vertical water stop surface material and a horizontal water stop surface material. In this case, it is possible to reliably prevent inundation over the entire width direction of the longitudinal water blocking surface material and the lateral water blocking surface material, that is, the entire width direction of the water blocking device.

  Further, as in the water stop device according to the invention of claim 5, when the water stop device is open and the depression angle between the vertical water stop material and the horizontal water stop material is 90 ° or more and 120 ° or less, the installation location Even when the angle of the rising surface with respect to the installation surface is 90 ° or more, the water stop device can be opened according to the angle, so that it can be installed at various locations.

  Further, as in the water stop device according to the invention of claim 6, when the rotation connecting portion is provided with the rotation stopper, the rotation stopper suppresses the rotation of the rotation connection portions, and the water stop device. Since unnecessary opening and closing of the vertical water stop surface material and the horizontal water stop surface material during storage and installation is prevented, handling and construction of the water stop device are improved.

  Further, as in the water stop device according to the invention of claim 7, when the vertical water stop face member has a connecting member at the lower end and one rotating connecting portion is integrally formed with the connecting member, a large water pressure is generated. There is no need to directly provide one pivotal connecting portion at the lower end of the vertical water surface member to be received, and the degree of freedom in designing the vertical water surface material is increased.

It is a schematic perspective view which shows the use condition of the water stop apparatus which concerns on one Embodiment of this invention. It is a fragmentary sectional view of the water stop apparatus of the state opened 90 degrees. It is a decomposition | disassembly partial sectional view of the water stop apparatus of the state opened 90 degrees. It is a fragmentary sectional view of the water stop apparatus of the closed state. It is a fragmentary sectional view of the water stop apparatus of the state opened substantially 120 degrees. It is an expanded sectional view of both rotation connection parts of the water stop apparatus of the state opened 90 degrees. It is an expanded sectional view of both rotation connection parts of the water stop device of the closed state. It is an expanded sectional view of both rotation connection parts of the same water stop apparatus of the state opened 120 degrees.

  Hereinafter, typical embodiments of a water stop device according to the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a schematic perspective view showing a use state of a water stop device according to an embodiment of the present invention, FIG. 2 is a partial cross-sectional view of the water stop device in a 90 ° open state, and FIG. 3 is a 90 ° open state. 4 is an exploded partial cross-sectional view of the water stop device, FIG. 4 is a partial cross-sectional view of the water stop device in a closed state, FIG. 5 is a partial cross-sectional view of the water stop device in an open state of approximately 120 °, and FIG. FIG. 7 is an enlarged cross-sectional view of both rotary connecting portions of the water stop device in the closed state, FIG. 7 is an enlarged cross-sectional view of both rotary connecting portions of the water stop device in the closed state, and FIG. It is an expanded sectional view of both rotation connection parts of the water stop device of the state which was in a state.

  As shown in FIG. 1, the water stop device 10 is installed on the installation surface 2 on the front side of the opening 1 such as the entrance of a building or underground facility, and prevents water from entering the building or underground facility. And it has the vertical water surface material 3 and the horizontal water surface material 4, The lower end part of this vertical water surface material 3 and the rear-end part of the horizontal water surface material 4 are rotation connection parts 50 and 40 mentioned later. Are connected to each other in a rotatable manner. The lateral water surface material 4 extends in the horizontal direction and is disposed on the installation surface 2, and the vertical water surface material 3 has a depression angle θ (in other words, an opening angle θ) of 90 ° with the lateral water surface material 4. As described above, the opening 1 is closed by standing upward from the rear end portion of the water blocking surface member 4.

The face material constituting the vertical water face material 3 and the horizontal water face material 4 may be a panel-like face material, a sheet-like face material, or a block-like face material as long as it exhibits a water stop function. Also, a hollow face material may be used. The material of the face material is preferably a metal (eg, stainless steel, aluminum) or a synthetic resin (eg, polyvinyl chloride, polycarbonate, FRP).
In the water stop device 10 of this embodiment, a vertical water stop surface material 3 is configured by using a synthetic resin sheet having anti-slip irregularities (not shown) formed on the surface as the surface material constituting the lateral water stop surface material 4. By using a synthetic resin hollow panel having a thickness larger than that of the synthetic resin sheet as the face material, and attaching a metal connecting member 5 described later only to the lower end portion of the vertical water face material 3 to which a large water pressure is applied. In order to achieve both weight reduction and strength.

  On the back surface of the vertical water surface material 3 (for example, the surface on the building side), in particular, on both sides of the back surface that abuts on the left and right mouth edges of the opening 1, water stop packing (not shown) is appropriately disposed, It is preferable to stop the water so as not to be submerged from the gap between the both sides of the back surface of the vertical water surface member 3 and the left and right mouth edges of the opening 1. In addition, it is preferable to provide a water-stopping packing (not shown) on the lower surface of the lateral water-stopping material 4 as appropriate so as to prevent water from entering through the gap between the lateral water-stopping material 4 and the installation surface 2.

As shown in FIG. 1, a metal connecting member 5 is provided at the lower end of the vertical water stop material 3 over the entire width of the vertical water stop material 3. The connecting member 5 of this embodiment is made of an aluminum extrusion mold. As shown in FIG. 3, the front plate 5a, the rear plate 5b, and small protrusions formed in parallel on the inner surface of each of the two strips. A strip 5c, a face material receiving piece 5d formed in each of the intermediate portions in the vertical direction of these inner surfaces, and a horizontal intermediate plate 5e connecting the front plate 5a and the rear plate 5b below the face material receiving piece 5d, A bottom plate 5f and a plurality (four) of screw holes 5g are provided. The connecting member 5 has a lower end portion of the front plate 5a and a front end portion of the bottom plate 5f cut out, and one rotating connecting portion 50 extends from the lower end front side of the cut out connecting member 5 to the front side of the bottom surface. It is integrally formed. End plates 5h are arranged at both ends of the connecting member 5, and are fixed by a plurality of (four) screws 5i screwed into the screw holes 5g.
The one rotation connecting portion 50 will be described in detail later.

The connecting member 5 is configured such that the lower end portion of the vertical water surface material 3 is inserted from above into the recessed space between the upper portion of the front plate 5a and the upper portion of the rear plate 5b, and the lower end portion of the vertical water surface material 3 is inserted. Is attached to the lower end portion of the vertical water surface member 3 in a state where the lower surface of the vertical water surface member 3 is received by the surface material receiving piece 5d. The water stop device 10 of this embodiment attaches the connecting member 5 to the lower end portion of the vertical water stop surface material 3 as described above, so that one rotating connection portion 50 is connected to the vertical water stop surface via the connection member 5. The material 3 is integrally formed from the bottom front side to the bottom front side.
Of course, the one rotary connecting portion 50 may be directly formed from the lower end front surface side to the bottom front surface side of the vertical water surface member 3 without attaching the connecting member 5 to the lower end portion of the vertical water surface material 3. In this case, the connecting member 5 may be damaged due to a large water pressure applied to the lower end portion of the vertical water surface member 3. Therefore, like the water stop device 10 of this embodiment, It is desirable to integrally form one rotation connecting portion 50 on a metal (aluminum) connecting member 5 attached to the lower end portion.

As shown in FIG. 2 and FIG. 3, on the rear end upper surface side of the lateral waterstop material 4, it is possible to rotate with one of the rotational connecting portions 50 formed on the vertical waterstop material 3 (the connecting member 5 thereof). The other rotation connecting part 40 connected to is formed integrally over the entire width of the water blocking surface member 4.
The other pivotal connecting portion 40 is formed from a substantially semi-cylindrical portion 40a that is integrally formed on the upper surface of the rear end of the lateral water blocking surface member 4 and is opened from the inner surface of the latter half of the substantially semi-cylindrical portion 40a. A projecting portion 40b projecting in the direction, and a round bar-shaped rotation center portion 40c integrally formed at the tip of the projecting portion 40b. The front half portion 40d of the substantially semi-cylindrical portion 40a is thick. It has become.

  On the other hand, as shown in FIG. 2 and FIG. 3, one rotational connection portion 50 formed integrally from the lower end front surface side to the bottom surface front side of the vertical water stop surface material 3 (the connection member 5 thereof), A substantially semicircular outer cylinder portion 50a integrally formed on the upper front end of the bottom plate 5f of the connecting member 5 and an abutment portion 50b (the other rotation) formed at the upper end of the substantially semicircular outer cylinder portion 50a. A stopper part for stopping the rear end of the substantially semi-cylindrical part 40 of the moving connecting part 40), a substantially semicircular small cylinder part 50c which is formed at the front end of the stopper part 50b and is opened obliquely downward at the rear, A receiving portion 50d formed so as to be connected to the lower end of the front plate 5a of the connecting member 5 from the rear end of the substantially semicircular small tubular portion 50c (the thickness of the substantially semi-cylindrical portion 40a of the other rotating connecting portion 40). And an accommodating portion for accommodating the fleshed front half portion 40d).

  One rotation connecting portion 50 and the other rotation connecting portion 40 are arranged in an inner space of one rotation connecting portion 50 (that is, a substantially semicircular outer cylindrical portion 50a, a stopper portion 50b, and a substantially semicircular small cylindrical portion 50c. The other rotation connecting portion 40 (that is, the rear half portion of the substantially semi-cylindrical portion 40a that is not thickened, the projecting portion 40b, and the rotation center portion 40c) is connected to the rotation connecting portion 50. By being inserted from either one end, they are connected to each other so as to be able to turn relative to each other so as not to be disengaged in the front-rear direction, and connected when the other turning connecting portion 40 is pulled out from the inner space of one turning connecting portion 50. Is to be canceled.

  In addition, if the protrusion part 40b of the rotation connection part 40 and the substantially semicircle small cylinder part 50c of the rotation connection part 50 which receives the rotation center part 40c are elastically deformable, the rotation connection part 40 will be rotation connection. The inner space of the portion 50 can be strongly fitted and connected from the front side, or the rotary connecting portion 40 can be strongly pulled out from the inner space of the rotary connecting portion 50 to the front side to release the connection. For example, the connecting member 5 having the rotating connecting portion 50 is formed of an aluminum extrusion mold, and the lateral water surface material 4 having the rotating connecting portion 40 is formed of a flexible synthetic resin such as vinyl chloride resin or olefin resin. When the protrusion 40b of the rotation connecting part 40 is formed of a flexible synthetic resin by two-color molding or the like, both the protrusion 40b and the substantially semicircular small cylinder part 50c can be elastically deformed. As described above, it is possible to perform so-called stuffing or so-called detaching.

  As described above, in the state of FIG. 2 in which the one rotation connecting portion 50 and the other rotation connecting portion 40 are connected and rotated, and the vertical water stop material 3 is erected 90 ° directly above, the rotation is performed. The semi-cylindrical portion 40a of the connecting portion 40 is received by the semi-cylindrical outer tube portion 50a of the rotating connecting portion 50, and the outer surface of the latter half portion of the semi-cylindrical portion 40a is substantially semi-circular. The outer cylinder part 50a is slidably contacted with the inner surface of the outer cylinder part 50a. And the rotation center part 40c of the rotation connection part 40 is received by the substantially semicircle small cylinder part 50c of the rotation connection part 50, and the outer surface of the rotation center part 40c rotates around the inner surface of the substantially semicircle small cylinder part 50c. It is slidably movable. However, the thickened front half part 40d of the substantially semi-cylindrical part 40a of the rotational connection part 40 is not accommodated in the accommodating part 50d of the rotational connection part 50, and the rear end of the substantially semi-cylindrical part 40a also rotates. The stop portion 50b of the dynamic connecting portion 50 is not stopped.

  When the vertical water surface member 3 is tilted forward from the state shown in FIG. 2, the rotation connecting portion 50 of the vertical water surface material 3 rotates around the rotation center portion 40 c of the rotation connecting portion 40 of the horizontal water surface material 4. As shown in FIG. 4, the thickened front half 40 d of the substantially semi-cylindrical portion 40 a of the rotation coupling portion 40 is accommodated in the accommodation portion 50 d of the rotation coupling portion 50, so that the longitudinal water blocking material 3 Is folded over on the lateral water surface material 4. When the vertical water stop material 3 is folded on the horizontal water stop material 4 in this manner, the bulk of the water stop device 10 is reduced, and a plurality of water stop devices can be stacked and stored compactly or transported. .

  This water stop device 10 is provided with one rotating connection portion 50 from the lower end front surface side to the bottom front surface side of the vertical water stop surface material 3 (the connecting member 5 thereof), and on the rear end front surface side of the horizontal water stop surface material 4. Since it is connected to the other rotation connecting portion 40 provided so as to be rotatable, the vertical water surface material 3 is overlaid on the horizontal water surface material 4 as described above, folded and stored in a compact manner. In addition, when the vertical water surface material 3 is erected directly above, the bottom surface of the vertical water surface material 3 (the connecting member 5) and the lower surface of the horizontal water surface material 4 are installed at the same height. There is an advantage that it can be installed on the surface 2. In addition, one rotation connection part 50 does not necessarily need to be formed integrally from the lower end front surface side to the bottom surface front side of the vertical water stop surface material 3 (the connection member 5 thereof), and the vertical water stop surface material 3 (connection thereof). It may be formed only on the front side of the lower end of the member 5).

Further, as shown in FIG. 5, when the waterstop device 10 is opened so that the depression angle θ (in other words, the opening angle θ) of the vertical waterstop material 3 and the horizontal waterstop material 4 is 120 °, the horizontal waterstop surface The rear end of the substantially semi-cylindrical portion 40a of the rotation connecting portion 40 of the material 4 is stopped by the stopping portion 50b of the rotation connecting portion 50 of the vertical water surface member 3, and the rotation is stopped. The depression angle θ between the material 3 and the lateral waterstop material 4 is set not to be larger than 120 °.
As described above, when the vertical water surface material 3 and the horizontal water surface material 4 are opened at an obtuse angle of 90 ° or more and 120 ° or less, the installation surface 2 on the front side of the opening 1 is an inclined surface that is a forward and downward slope. Even in this case, since the inclination angle is usually 30 ° or less, the lateral water surface material 4 is arranged on the inclined installation surface 2 so that the vertical water surface material 3 stands upright and the opening 1 is formed vertically. It can be closed with the water-stop face material 3 to prevent water from entering.

  Both the rotation connecting portions 50 and 40 are rotation stoppers that can be temporarily fixed while suppressing the rotation of the both rotation connection portions 50 and 40, and open and close both water-stop surfaces 3 and 4. Therefore, it is preferable to provide a rotation stopper capable of releasing the temporary fixation when a large rotational torque greater than the temporary fixation is applied. In the water stop device 10 of this embodiment, as shown in FIG. 6 to FIG. 8, two locations on the inner surface of the substantially semicircular outer cylinder portion 50 a of one rotation connection portion 50 and the other rotation connection portion 40. Fine concave and convex strips 50e and 40e having a smooth surface are formed as a rotation stopper at one location on the outer surface of the latter half of the substantially semi-cylindrical portion 40a which is not thickened.

More specifically, on the outer surface of the rear end portion of the substantially semi-cylindrical portion 40a of the rotation connecting portion 40, several fine irregularities 40e are formed as rotation stoppers. On the inner surface near the upper end and the inner surface near the lower end of the substantially semicircular outer cylinder portion 50a, several uneven grooves 50e, 50e that mesh with the uneven grooves 40e are formed as rotation stoppers, respectively. Then, as shown in FIG. 6, from the state in which the vertical water surface material 3 stands upright and the depression angle θ with the horizontal water surface material 4 becomes 90 °, the vertical water surface material 3 and Until the depression angle θ of the lateral water surface material 4 reaches 120 °, the ridge 40e on the outer surface of the rear end of the substantially semi-cylindrical portion 40a and the ridge 50e on the inner surface near the upper end of the substantially semicircular outer cylinder 50a mesh with each other. In the state where the vertical water surface material 3 and the horizontal water surface material 4 are at a desired depression angle θ of 90 ° or more and 120 ° or less, the rotation of both the rotation connecting portions 50 and 40 can be temporarily fixed. It is like that. Further, in a state where the vertical water surface material 3 is overlapped with the horizontal water surface material 4 and folded (at a depression angle of 0 °), as shown in FIG. 7, an uneven surface 40e on the outer surface of the rear end portion of the substantially semi-cylindrical portion 40a, The concave and convex ridges 50e on the inner surface near the lower end of the semicircular outer cylinder portion 50a mesh with each other, and can be temporarily fixed so that the vertical water stop material 3 and the horizontal water stop material 4 are not opened in a folded state.
In addition, it is sufficient to provide a rotation stopper so that the vertical water stop surface material 3 and the horizontal water stop surface material 4 can be temporarily fixed when the depression angles are 0 ° and 90 °.

  As described above, when the concave and convex strips 50a and 40a are formed as the pivot stoppers on the pivot coupling portions 50 and 40, the mutual rotation of the pivot coupling portions 50 and 40 is suppressed by the meshing of the concave and convex strips 50a and 40a. In addition, since unnecessary opening and closing of the vertical waterstop material 3 and the horizontal waterstop material 4 at the time of storage or installation of the waterstop device 10 is prevented, the handleability and workability of the water stop device 10 are improved.

  The concave and convex strips 50a and 40a as the rotation stoppers are thickened in the entire inner surface of the substantially semicircular outer cylindrical portion 50a of one rotation connection portion 50 and the substantially semicylindrical portion 40a of the other rotation connection portion 40. You may form in the whole outer surface of the latter half part which is not carried out. In that case, the rotation of both of the rotation connecting portions 50 and 40 is suppressed at any angle from 0 ° (folded state) to 120 ° of the vertical water surface material 3 and the horizontal water surface material 4 at a depression angle. Since it can temporarily fix, it becomes possible to maintain both the water stop surface materials 3 and 4 with a desired depression angle.

It is not always necessary to form the rotation stopper integrally with the rotation connecting portion 50. For example, the vertical water stop surface material 3 and the horizontal water stop surface material 4 are opened so as to have a predetermined depression angle θ, and the water stop device 10 is installed. Thereafter, a fixing pin or the like, which is a separate member, may be detachably inserted into the rotation connecting portions 50 and 40 as a rotation stopper so that the rotation is suppressed and temporarily fixed.
In addition, when the temporary fixing force of the rotation stopper is not sufficient, the rotation is suppressed by spanning a strut rod or other support member between the vertical water surface material 3 and the horizontal water surface material 4 to ensure temporary fixation. May be.

  Using the water stop device 10 configured as described above, when the lateral water stop material 4 is arranged on the installation surface 2 on the front side of the opening 1 and the vertical water stop material 3 is erected to close the opening 1. In addition, it is possible to prevent water mainly from the front of the opening 1 to the inside of the opening 1 by the vertical water surface material 3. In addition, since the water stop device 10 is integrally formed with one rotary connecting portion 50 from the bottom front surface side to the bottom front surface side of the vertical water stop surface material 3 (the connecting member 5 thereof), this rotation Even if the inside of the connecting part 50 is submerged, there is no fear of submergence to the back side of the water stop device 10. Accordingly, since it is not necessary to stop the rotating connecting portions 50 and 40 of the vertical waterstop material 3 and the horizontal waterstop material 4 with another member such as a waterproof sheet, the number of parts is reduced, and the waterproof sheet is deteriorated or damaged. Since there is no fear of flooding, water stoppage is good. Moreover, since one rotation connection part 50 is formed integrally with the vertical water stop surface material 3 (the connection member 5), and the other rotation connection part 40 is formed integrally with the horizontal water stop surface material 4, it is a hinge. In addition, no extra connecting parts such as mounting screws are required, and the number of parts can be reduced accordingly.

Moreover, when the rotation center part 40c is integrally formed in the other rotation connection part 40 provided in the rear end upper surface side of the horizontal water stop surface material 4 like this water stop apparatus 10, a general hinge Since there is no need to incorporate a pin-shaped rotation center member as in the structure, the number of parts is reduced, the structure is simplified, and a gap is generated between the rotation connecting portion 40 and the rotation center portion 40c. Since it is not, flooding can be reliably prevented.
Further, as in the water stop device 10, one rotation connecting portion 50 and the other rotation connecting portion 40 are provided in the entire width direction of the vertical water stop surface material 3 (the rotation member 5 thereof) and the horizontal water stop surface material 4. If it is formed over the entire width direction of the vertical water blocking surface material 3 and the horizontal water blocking surface material 4, that is, the entire width direction of the water blocking device 10, it is possible to reliably prevent flooding.
Further, as in the water stop device 10, when the vertical water stop face material 3 includes the connecting member 5 at the lower end and the one rotating connecting portion 50 is integrally formed with the connecting member 5, a large water pressure is received. Since one rotation connection part 50 does not need to be directly formed in the lower end of the vertical water surface material 3, the freedom degree of design of the vertical water surface material 3 increases.

  The water stop device 10 of the above embodiment is installed alone on the installation surface 2 on the front side of the opening 1, but when the width of the opening 1 is wide or the area to stop water is wide, a plurality of water stop devices 10 are provided. It is sufficient that the water stop device 10 is connected in the horizontal direction, and if necessary, a reinforcing frame member is attached to both sides and the upper end of the vertical water surface member 3 in the width direction or connected. A frame material may be attached.

Moreover, in the water stop apparatus 10 of the said embodiment, one rotation connection part 50 and the other rotation connection part 40 are continuous over the whole width direction of the vertical water stop surface material 3 and the horizontal water stop surface material 4. FIG. Although formed, these rotational connection parts 50 and 40 may be partially cut off.
Moreover, in the water stop apparatus 10 of the said embodiment, although the rotation center part 40c is integrally formed in the other rotation connection part 40, in one rotation connection part 50 and the other rotation connection part 40, it is. The rotation center part may be formed integrally, and both rotation center parts may be fitted and integrated to form one rotation center part.

  In addition, an anti-slip process may be applied to the upper surface of the lateral water surface member 4 or another anti-slip sheet may be attached. Further, in the case where the lateral water surface member 4 is a sheet, a metal frame is attached to the four circumferences of the sheet, and the other rotation connecting portion 40 is integrally formed as a frame member to be attached to the rear end portion of the lateral water surface member 4. The strength may be improved by attaching a connecting member made of metal.

DESCRIPTION OF SYMBOLS 1 Opening part 2 Installation surface 3 Longitudinal water surface material 4 Lateral water surface material 5 Connection member 10 Water stop device 40 The other rotation connection part 40a The substantially semi-cylindrical part 40c The rotation center part 40e Rotation stopper (uneven | corrugated strip)
50 One rotation connecting part 50a A substantially semicircular outer cylinder part 50c A substantially semicircle small cylinder part 50e Rotation stopper (concave and convex)
θ Depression angle between longitudinal and lateral water surface materials

Claims (4)

A water stop device that prevents water from entering from one side to the other,
The vertical water surface material and the horizontal water surface material are connected to each other so as to be able to rotate , and one rotating connection part is formed integrally with the vertical water surface material from the lower end front side to the bottom front side of the vertical water surface material. The other pivotal connecting portion is formed integrally with the lateral water surface material on the upper surface side of the rear end of the lateral water surface material ,
A rotation center part is integrally formed with one or / and the other rotation connection part,
The water stop device , wherein the one rotation connection portion and the other rotation connection portion are formed over the entire width direction of the vertical water stop surface material and the horizontal water stop surface material . In a state where water stopping device is opened, Tatetome included angle of water material and Yokotome water material at least 90 °, characterized in der Rukoto 120 ° or less, water stop device according to claim 1. The water stop device according to claim 1 , wherein a rotation stopper is provided at the rotation connection portion . The vertical water stop member has a connecting member at the lower end, and one rotating connecting portion is integrally formed with the connecting member . Water stop device.

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