JP7584086B2 - Water stop device - Google Patents

Description

The present invention relates to a water stop device.

Recently, there have been frequent instances of short-term torrential rains, known as "guerilla downpours," which have caused rivers to overflow in a short period of time and rainwater to gush out of sewerage facilities, resulting in damage from flooding under and above the floor level.

Traditionally, during flooding such as river overflows, sandbags were piled up around openings of buildings and underground entrances to create watertight walls and prevent water from seeping inside the buildings. However, in urban areas, the soil to put in the sandbags and tools such as shovels were not prepared, making it difficult to quickly prepare sandbags. In addition, because sandbags are very heavy, stacking them requires a great deal of time and effort. Furthermore, because flooding caused by torrential rain occurs in a short period of time, if it took time to prepare and stack sandbags, there was a risk that water would flood in before the watertight walls could be constructed.

Patent documents 1 to 3 disclose conventional technologies related to water stop devices for preventing water intrusion.

Patent document 1 discloses a water stop device that is generally L-shaped and has a bottom plate with a water-absorbing member on the back side and a rising plate rising from the rear end of the bottom plate, and has a connecting part on at least one of the left and right ends of the water stop device for connecting the water stop devices to the left and right.

Patent Document 2 discloses a water-stopping device that includes a bottom water-stopping surface material that is arranged along the installation surface, and a wall water-stopping surface material that is installed in a direction approximately perpendicular to the bottom water-stopping surface material, and a mat-shaped water-absorbing member that has the property of absorbing water by capillary action is attached to the surface of the bottom water-stopping surface material that faces the installation surface, and the water-absorbing member is continuously arranged in a U-shape on the front and side sides of the surface of the bottom water-stopping surface material that faces the installation surface.

Patent document 3 discloses a water-stopping device made of resin and formed with an L-shaped cross section.

Patent No. 6614562 JP 2016-108897 A Registered Design No. 1664078

However, in the techniques disclosed in Patent Documents 1 to 3, a resin water stop device is used. This means that the water stop device is prone to deformation due to deterioration of the resin, etc., and there is a risk of water leakage from the deformed water stop device.

In addition, in the technology disclosed in Patent Documents 2 and 3, a triangular or other reinforcing portion is provided that spans from the bottom plate to the rising plate, but since it is made of resin, the reinforcing portion itself needs to be relatively large in size in order to reinforce the water-stopping device. On the other hand, if the water-stopping devices of Patent Documents 2 and 3 are made from steel plate, providing such a relatively large reinforcing portion will cause deformation such as wrinkles in the steel plate. For this reason, it is not possible to ensure a predetermined water-stopping performance, and such a relatively large reinforcing portion cannot be applied to water-stopping devices formed from steel plate. Therefore, there is a strong demand for a water-stopping device that can improve water-stopping performance.

Therefore, the present invention was devised in consideration of the above-mentioned circumstances, and its purpose is to provide a water-stopping device that can improve water-stopping performance.

The water stop device according to the present invention is a water stop device for preventing water from entering, and includes a main body integrally molded from a single steel plate, the main body having a bottom plate portion disposed along an installation surface, a rising plate portion rising from a rear end of the bottom plate portion, and a connecting portion at a left-right end for connecting to another water stop device adjacent in the left-right direction, and a first protrusion portion disposed across the bottom plate portion and the rising plate portion and formed as a protrusion along the bottom plate portion and the rising plate portion , the connecting portion being formed at one end in the left-right direction. and a second connecting portion formed at the other end in the left-right direction, the first connecting portion having a first fitting portion formed by curving a steel plate toward the front surface, the second connecting portion having a second fitting portion formed into a shape into which the first fitting portion of another water-stopping device adjacent in the left-right direction is fitted, and the second fitting portion has a fourth plate portion formed by bending the steel plate toward the front surface, a fifth plate portion bent from the fourth plate portion, and a sixth plate portion bent from the fifth plate portion toward the fourth plate portion .
The water stop device according to the present invention is a water stop device for preventing water from entering, and includes a main body integrally molded from a single steel plate, the main body having a bottom plate portion arranged along an installation surface, a rising plate portion rising from a rear end of the bottom plate portion, and a connecting portion at a left-right end for connecting to another water stop device adjacent in the left-right direction, and a first protrusion portion arranged across the bottom plate portion and the rising plate portion and formed as a protrusion along the bottom plate portion and the rising plate portion, the connecting portion being disposed at one left-right end and a second connecting portion formed at the other end in the left-right direction, the first connecting portion having a first fitting portion formed by bending a steel plate, the first fitting portion having a first plate portion bent toward the front side, a second plate portion bent from the first plate portion, and a third plate portion bent from the second plate portion toward the first plate portion, and the second connecting portion having a second fitting portion formed in a shape into which the first fitting portion of another water-stopping device adjacent in the left-right direction is fitted.

The present invention makes it possible to provide a water-stopping device that can improve water-stopping performance.

FIG. 1 is a perspective view showing a state in which a plurality of first examples of water stopping devices according to an embodiment are connected together. FIG. 2 is a perspective view showing a first example of a water stopping device according to an embodiment. Figure 3(a) is a diagram showing the first connecting portion and the second connecting portion of the first example of the water-stopping device according to the embodiment from the top-to-bottom direction, and Figure 3(b) is a diagram showing the first connecting portion and the second connecting portion of the first example of the water-stopping device according to the embodiment from the front-to-back direction. Figure 4(a) is a cross-sectional view showing a first protrusion portion of a first example of a water-stopping device according to an embodiment, and Figure 4(b) is a cross-sectional view showing a second protrusion portion of the first example of a water-stopping device according to an embodiment. Figure 5 (a) is a cross-sectional view showing an enlarged view of the rising plate portion of a first example of a water-stopping device according to an embodiment, and Figure 5 (b) is a cross-sectional view showing an enlarged view of the bottom plate portion of the first example of a water-stopping device according to an embodiment. Figure 6(a) is a cross-sectional view showing an enlarged tip portion of the first protrusion portion on the bottom plate portion of the first example of the water-stopping device according to the embodiment, and Figure 6(b) is a cross-sectional view showing an enlarged tip portion of the first protrusion portion on the riser plate portion of the first example of the water-stopping device according to the embodiment. Figure 7(a) is a diagram showing the state of a first example of a water-stopping device according to an embodiment before it is connected in the left-right direction, and Figure 7(b) is a diagram showing the state of a first example of a water-stopping device according to an embodiment after it is connected in the left-right direction. FIG. 8 is a perspective view showing a state in which a plurality of first examples of the water stopping devices according to the embodiment are stacked. Figure 9 (a) is a diagram showing the state before the second example of the water-stopping device of the embodiment is connected in the left-right direction, and Figure 9 (b) is a diagram showing the state after the second example of the water-stopping device of the embodiment is connected in the left-right direction. Figure 10 (a) is a diagram showing the state before the third example of the water-stopping device of the embodiment is connected in the left-right direction, and Figure 10 (b) is a diagram showing the state after the third example of the water-stopping device of the embodiment is connected in the left-right direction. Figure 11 (a) is a diagram showing the state before the fourth example of the water-stopping device of the embodiment is connected in the left-right direction, and Figure 11 (b) is a diagram showing the state after the fourth example of the water-stopping device of the embodiment is connected in the left-right direction.

The water stop device according to the embodiment will be described in detail below with reference to the drawings. In the following description, the vertical direction is Z, the direction perpendicular to the vertical direction Z is the front-rear direction X, and the direction perpendicular to the vertical direction Z and the front-rear direction X is the left-right direction Y. In the vertical direction Z, the upper direction is the upper side Z1, and the lower direction is the lower side Z2. In the front-rear direction X, the side from which water enters is the front side X1, and the side on which an object such as a house that needs to be prevented from entering is installed is the rear side X2. In addition, the side Z1 above the bottom plate portion 3 of the water stop device 1 and the side X1 in front of the rising plate portion 4 of the water stop device 1 are also referred to as the front side A, and the side Z2 below the bottom plate portion 3 of the water stop device 1 and the side X2 behind the rising plate portion 4 of the water stop device 1 are also referred to as the back side B.

As shown in FIG. 1, the water stop device 1 is used to prevent water from entering. The water stop device 1 is used by connecting multiple devices in the left-right direction Y.

As shown in FIG. 2, the water-stopping device 1 comprises a main body 2 integrally formed from a single steel plate 10, and a water-stopping member 8 attached to the main body 2. The steel plate 10 is preferably a thin steel plate that has been subjected to a corrosion-inhibiting treatment, such as a zinc-plated steel plate. The thickness of the steel plate 10 is, for example, about 0.7 mm, but a thickness of about 0.6 mm to 1.2 mm is preferably used.

The main body 2 has a bottom plate 3, a rising plate 4, a connecting portion 5, a first ridge 6, and a second ridge 7. The bottom plate 3 and the rising plate 4 form an L-shaped cross section of the main body 2. The length of the main body 2 in the front-to-rear direction X is, for example, about 700 mm, the length of the main body 2 in the left-to-right direction Y is, for example, about 740 mm, and the length of the main body 2 in the up-to-down direction Z is, for example, about 600 mm. As a result, the weight of the entire water stop device 1 is about 6 kg.

The bottom plate portion 3 is placed along the installation surface. The front end of the bottom plate portion 3 has a front end curved portion 3a formed by curving the steel plate 10 on the front side A into an arc shape, an ellipse shape, a horseshoe shape, or the like. The bottom plate portion 3 has a flat portion 31 formed flat between the front end curved portion 3a and the tip portion 61 of the front side X1 of the first protrusion portion 6 described below. A water-stopping member 8 is attached to the back side B of the flat portion 31.

The rising plate portion 4 rises from the rear end of the bottom plate portion 3. At the upper end of the rising plate portion 4, there is an upper end curved portion 4a formed by curving the steel plate 10 on the front side A into an arc shape, an ellipse shape, a horseshoe shape, or the like. The rising plate portion 4 has a handle portion 41 in the shape of an elongated hole, or the like, near the upper end. The handle portion 41 is formed by a predetermined opening, such as a circle.

As shown in FIG. 1, the connecting portion 5 is for connecting to other adjacent water stop devices 1 in the left-right direction. As shown in FIG. 3, the connecting portion 5 has a first connecting portion 51 formed at one end in the left-right direction and a second connecting portion 54 formed at the other end in the left-right direction.

The first connecting portion 51 has a folded portion 52 formed by folding back the steel plate 10, and a first fitting portion 53 connected to the folded portion 52. The folded portion 52 is in contact with the bottom plate portion 3 and the rising plate portion 4. The folded portion 52 is continuously arranged along the bottom plate portion 3 and the rising plate portion 4 in an L-shape when viewed from the left-right direction Y.

The first fitting portion 53 is formed by curving the steel plate 10 on the front side A into an arc shape, an ellipse shape, a horseshoe shape, or the like. The first fitting portion 53 is formed by curving the end of the steel plate 10 toward the folded portion 52. The first fitting portion 53 is continuously arranged along the bottom plate portion 3 and the rising plate portion 4 in an L-shape when viewed from the left-right direction Y.

The second connecting portion 54 has a receiving portion 55 that connects to the bottom plate portion 3 and the rising plate portion 4, and a second fitting portion 56 that connects to the receiving portion 55.

The receiving portion 55 is formed by bending the steel plate 10 into an L-shape when viewed from the front-rear direction X or the up-down direction Z. The receiving portion 55 is formed to protrude from the front side A. The receiving portion 55 is continuously arranged along the bottom plate portion 3 and the rising plate portion 4 in an L-shape when viewed from the left-right direction Y. A water-stopping member 8 is attached to the back side B of the receiving portion 55.

The second fitting portion 56 is formed in a shape that allows the first fitting portion 53 of another water stop device 1 adjacent in the left-right direction to be fitted into it. The second fitting portion 56 is provided on the bottom plate portion 3 and the rising plate portion 4, respectively. The second fitting portion 56 is formed by bending the steel plate 10 into a U-shape when viewed from the front-rear direction X or from the up-down direction Z. The second fitting portion 56 has a fourth plate portion 56a formed by bending the steel plate 10 from the receiving portion 55, a fifth plate portion 56b formed by bending the steel plate 10 from the fourth plate portion 56a, and a sixth plate portion 56c formed by bending the steel plate 10 from the fifth plate portion 56b.

The fourth plate portion 56a is formed by bending it at an angle θ4 relative to the receiving portion 55. The angle θ4 is approximately perpendicular, but is preferably greater than 0° and less than 90°. The fifth plate portion 56b is formed by bending it at an angle θ5 relative to the fourth plate portion 56a. The angle θ5 is approximately perpendicular, but is preferably greater than 0° and less than 90°. The sixth plate portion 56c is formed by bending it at an angle θ6 relative to the fifth plate portion 56b toward the fourth plate portion 56a. In other words, the angle θ6 is an acute angle.

As shown in FIG. 3(a), in the second fitting portion 56 provided on the rising plate portion 4, the fourth plate portion 56a is formed by rising approximately perpendicularly to the rising plate portion 4, the fifth plate portion 56b is formed along approximately parallel to the rising plate portion 4, and the sixth plate portion 56c is formed by being bent toward the rear side X2.

As shown in FIG. 3(b), in the second fitting portion 56 provided on the bottom plate portion 3, the fourth plate portion 56a is disposed substantially perpendicular to the bottom plate portion 3, the fifth plate portion 56b is disposed substantially parallel to the bottom plate portion 3, and the sixth plate portion 56c is formed by being bent toward the lower side Z2.

As shown in FIG. 2, a plurality of first protrusions 6 are provided. As shown in FIG. 4(a), the first protrusions 6 are arranged across the bottom plate 3 and the rising plate 4. The first protrusions 6 are arranged continuously along the bottom plate 3 and the rising plate 4 in an L-shape as viewed from the left-right direction Y. The first protrusions 6 are formed as protrusions on the surface side A by embossing the steel plate 10. As shown in FIG. 5(a), the first protrusions 6 are formed so as to protrude on the surface side A in a semicircular shape in a cross section perpendicular to the rising plate 4. As shown in FIG. 5(b), the first protrusions 6 are formed so as to protrude on the surface side A in a semicircular shape in a cross section perpendicular to the bottom plate 3.

As shown in FIG. 2, a plurality of second protrusions 7 are provided. As shown in FIG. 4(b), the second protrusions 7 are arranged across the bottom plate 3 and the rising plate 4. The second protrusions 7 are arranged continuously along the bottom plate 3 and the rising plate 4 in an L-shape as viewed from the left-right direction Y. The second protrusions 7 are formed as protrusions on the surface side A by embossing the steel plate 10. As shown in FIG. 5(a), the second protrusions 7 are formed so as to protrude on the surface side A in a semicircular shape in a cross section perpendicular to the rising plate 4. As shown in FIG. 5(b), the second protrusions 7 are formed so as to protrude on the surface side A in a semicircular shape in a cross section perpendicular to the bottom plate 3.

As shown in Figures 4 and 5, the protruding extension of the first protruding stripe 6 in the front-rear direction X is L1, the protruding extension of the first protruding stripe 6 in the up-down direction Z is H1, the protruding width of the first protruding stripe 6 in the left-right direction Y is W1, and the protruding height of the first protruding stripe 6 to the surface side A is D1. The protruding extension of the second protruding stripe 7 in the front-rear direction X is L2, the protruding extension of the second protruding stripe 7 in the up-down direction Z is H2, the protruding width of the second protruding stripe 7 in the left-right direction Y is W2, and the protruding height of the second protruding stripe 7 to the surface side A is D2.

The second ridge portion 7 protrudes less than the first ridge portion 6. Here, the second ridge portion 7 protrudes less than the first ridge portion 6 means at least one of the following cases: the protruding extension L2 of the second ridge portion 7 is smaller than the protruding extension L1 of the first ridge portion 6, the protruding extension H2 of the second ridge portion 7 is smaller than the protruding extension H1 of the first ridge portion 6, the protruding width W2 of the second ridge portion 7 is smaller than the protruding width W1 of the first ridge portion 6, and the protruding height D2 of the second ridge portion 7 is smaller than the protruding height D1 of the first ridge portion 6.

The tip 61 of the front side X1 of the first protrusion 6 is spaced apart from the front end of the bottom plate 3, as shown in FIG. 6(a). The tip 61 of the front side X1 of the first protrusion 6 has a tapered portion 61a that is tapered.

The tip 62 of the upper side Z1 of the first protrusion 6 is spaced apart from the upper end of the rising plate 4, as shown in FIG. 6(b). The tip 62 of the upper side Z1 of the first protrusion 6 has a tapered portion 62a that is tapered.

The water-stopping member 8 is a well-known water-stopping member such as Eptsealer. The water-stopping member 8 is attached to the front end of the lower surface of the bottom plate portion 3 and to the back side B of the receiving portion 55.

The water-stopping member 8 attached to the bottom plate portion 3 is disposed at the front end of the bottom plate portion 3, extending in the left-right direction Y. The water-stopping member 8 attached to the receiving portion 55 is disposed along the receiving portion 55, with an L-shaped cross section when viewed from the left-right direction Y.

When connecting one water stop device 1 to another water stop device 1 in the left-right direction Y, the first connecting portion 51 of the first water stop device 1 is aligned with the second connecting portion 54 of the other water stop device 1, as shown in FIG. 7(a). Then, the second connecting portion 54 of the other water stop device 1 is overlapped with the first connecting portion 51 of the first water stop device 1 from the front side A toward the back side B, as shown in FIG. 7(b).

As a result, the water-stopping member 8 attached to the receiving portion 55 of the other water-stopping device 1 comes into contact with the folded portion 52 of the first water-stopping device 1. At this time, the bottom plate portion 3 of the first water-stopping device 1 and the bottom plate portion 3 of the other water-stopping device 1 are flush with each other. Although not shown in the figure, the rising plate portion 4 of the first water-stopping device 1 and the rising plate portion 4 of the other water-stopping device 1 are also flush with each other.

In addition, by overlapping the second connecting portion 54 of the other water stop device 1 with the first connecting portion 51 of the first water stop device 1 from the front side A to the back side B, the first fitting portion 53 of the first water stop device 1 is sandwiched and fitted between the fourth plate portion 56a and the sixth plate portion 56c of the second fitting portion 56 of the other water stop device 1. At this time, the fourth plate portion 56a and the sixth plate portion 56c are spread apart, and the bending angle θ6' of the sixth plate portion 56c after the connection becomes larger than the bending angle θ6 of the sixth plate portion 56c before the connection.

According to this embodiment, the water stop device 1 for preventing water from entering the device includes a main body 2 integrally molded from a single steel plate 10. The main body 2 has a bottom plate 3 arranged along the installation surface, a rising plate 4 rising from the rear end of the bottom plate 3, a connecting portion 5 at the end in the left-right direction Y for connecting to another water stop device 1 adjacent in the left-right direction Y, and a first protrusion 6 arranged across the bottom plate 3 and the rising plate 4 and formed as a protrusion along the bottom plate 3 and the rising plate 4.

According to this embodiment, the main body 2 is integrally molded from a single steel plate 10. This makes it easy to manufacture the water stop device 1. In addition, the strength required for the water stop device 1 can be ensured.

In addition, according to this embodiment, the main body 2 can be reinforced by the first protrusion 6. Therefore, when water tries to enter the water-stopping device 1, deformation is suppressed, so water can be prevented from entering and water-stopping performance can be improved.

In addition, according to this embodiment, the first protrusion 6 is formed as a protrusion along the bottom plate 3 and the rising plate 4, so that the formation of the first protrusion 6 can suppress deformation such as wrinkles that occur in the bottom plate 3 and the rising plate 4. This suppresses water leakage from the water stop device 1, and makes it possible to improve the water stop performance of the water stop device 1.

In addition, according to this embodiment, the first protrusion 6 is formed as a protrusion along the bottom plate 3 and the rising plate 4, so when reinforcing the main body 2, it is not necessary to increase the protruding height D1 of the first protrusion 6 as in the conventional case. This makes it possible to improve portability.

In addition, according to this embodiment, the overall weight of the water stop device 1 can be reduced to, for example, about 6 kg. This makes it easier to transport.

In addition, according to this embodiment, as shown in FIG. 8, multiple water stop devices 1 can be stacked. This reduces the space required to store multiple water stop devices 1. In addition, multiple water stop devices 1 can be transported in a stacked state.

According to this embodiment, the main body 2 is disposed across the bottom plate 3 and the rising plate 4, and further has a second ridge 7 formed as a ridge along the bottom plate 3 and the rising plate 4, and the second ridge 7 protrudes smaller than the first ridge 6. As a result, deformation such as wrinkles that occurs in the bottom plate 3 and the rising plate 4 due to the formation of the first ridge 6 can be further suppressed by the second ridge 7, which is smaller than the first ridge 6. This suppresses water leakage from the water stop device 1, and makes it possible to further improve the water stoppage of the water stop device 1.

According to this embodiment, the tip 61 of the first protrusion 6 on the bottom plate 3 is disposed away from the front end of the bottom plate 3 and has a tapered portion 61a formed in a tapered shape. This makes the shape of the portion that changes from the bottom plate 3 to the first protrusion 6 gentler, and it is possible to further suppress deformation such as wrinkles that occurs in the bottom plate 3 due to the formation of the first protrusion 6. This makes it possible to suppress water leakage from the water stop device 1 and further improve the water stop performance of the water stop device 1.

In addition, according to this embodiment, the tip 61 of the first protrusion 6 on the bottom plate 3 is positioned away from the front end of the bottom plate 3, so that the flat portion 31 of the bottom plate 3 can suppress water leakage from the underside of the bottom plate 3. This makes it possible to further improve the water stopping ability of the water stopping device 1.

According to this embodiment, the connecting portion 5 has a first connecting portion 51 formed at one end in the left-right direction and a second connecting portion 54 formed at the other end in the left-right direction, the first connecting portion 51 has a first fitting portion 53 formed by curving the steel plate 10 on the front side A, and the second connecting portion 54 has a second fitting portion 56 formed in a shape into which the first fitting portion 53 of another water stop device adjacent in the left-right direction is fitted. As a result, the first fitting portion 53 and the second fitting portion 56 can be fitted together by overlapping the second fitting portion 56 with the first fitting portion 53 from the front side A toward the back side B. Therefore, the work of fitting them together can be easily performed, and the work of connecting multiple water stop devices 1 can be performed in a short time.

According to this embodiment, the first fitting portion 53 is formed by curving the steel plate 10 toward the front side A. This allows the curved first fitting portion 53 and the second fitting portion 56 to be smoothly fitted together.

According to this embodiment, the second fitting portion 56 has a fourth plate portion 56a formed by bending the steel plate 10 toward the front side A, a fifth plate portion 56b bent from the fourth plate portion 56a, and a sixth plate portion 56c bent from the fifth plate portion 56b toward the fourth plate portion 56a. As a result, the first fitting portion 53 is sandwiched and fitted between the fourth plate portion 56a and the sixth plate portion 56c. This makes it possible to more firmly fit the first fitting portion 53 and the second fitting portion 56.

According to this embodiment, the second connecting part 54 has a receiving part 55 formed by protruding the steel plate 10 on the front side A, and the water-stopping member 8 is attached to the back side B of the receiving part 55. This makes it possible to prevent water leakage from the connecting part between the first connecting part 51 and the second connecting part 54.

According to this embodiment, a water-stopping member 8 is attached to the front end of the underside of the bottom plate portion 3. This makes it possible to prevent water leakage from the underside of the bottom plate portion 3.

Next, a second example of the water stop device 1 according to the embodiment will be described. Below, differences from the above-mentioned embodiment will be mainly described, and detailed description of the same configuration as the above-mentioned embodiment will be omitted.

In the second example of the water stop device 1, as shown in FIG. 9, the second connecting portion 54 has a receiving portion 55 that connects to the bottom plate portion 3 and the rising plate portion 4, and a second fitting portion 156 that connects to the receiving portion 55.

The second fitting portion 156 is formed by curving the steel plate 10 on the front side A into an arc shape, an ellipse shape, a horseshoe shape, or the like. The second fitting portion 156 is curved so that the back side B is open. The second fitting portion 156 is continuously arranged along the bottom plate portion 3 and the rising plate portion 4 in an L-shape when viewed from the left-right direction Y.

When connecting one water stop device 1 to another water stop device 1 in the left-right direction Y, the first connecting portion 51 of the one water stop device 1 is aligned with the second connecting portion 54 of the other water stop device 1, as shown in FIG. 9(a). Then, as shown in FIG. 9(b), the second connecting portion 54 of the other water stop device 1 is overlapped with the first connecting portion 51 of the one water stop device 1 from the front side A toward the back side B.

As a result, the water-stopping member 8 attached to the receiving portion 55 of the other water-stopping device 1 comes into contact with the folded portion 52 of the first water-stopping device 1. At this time, the bottom plate portion 3 of the first water-stopping device 1 and the bottom plate portion 3 of the other water-stopping device 1 are flush with each other. Although not shown in the figure, the rising plate portion 4 of the first water-stopping device 1 and the rising plate portion 4 of the other water-stopping device 1 are also flush with each other.

In addition, by overlapping the second connecting portion 54 of the other water-stopping device 1 with the first connecting portion 51 of the one water-stopping device 1 from the front side A to the back side B, the first fitting portion 53 of the one water-stopping device 1 is sandwiched and fitted with the second fitting portion 156 of the other water-stopping device 1.

According to this embodiment, the second fitting portion 156 is formed by curving the steel plate 10 toward the front side A. As a result, the first fitting portion 53 is fitted with the curved second fitting portion 56. This makes it possible to more smoothly fit the first fitting portion 53 and the second fitting portion 156 together.

Next, we will explain a third example of the water stop device 1 according to the embodiment.

As shown in FIG. 10, the water stop device 1 according to the third example has a folded portion 52 formed by folding back the steel plate 10, and a first fitting portion 153 connected to the folded portion 52.

The first fitting portion 153 is provided on the bottom plate portion 3 and the rising plate portion 4. The first fitting portion 153 is formed by bending the steel plate 10 into a U-shape when viewed from the front-rear direction X or the up-down direction Z. The first fitting portion 153 has a first plate portion 153a formed by bending the steel plate 10 from the folding portion 52, a second plate portion 153b formed by bending the steel plate 10 from the first plate portion 153a, and a third plate portion 153c formed by bending the steel plate 10 from the second plate portion 153b.

The first plate portion 153a is bent at an angle θ1 relative to the folded portion 52 in a direction away from the folded portion 52. That is, the angle θ1 is an obtuse angle. The second plate portion 153b is bent at an angle θ2 relative to the first plate portion 153a and is formed substantially parallel to the bottom plate portion 3 or the rising plate portion 4. The angle θ2 is an acute angle. The third plate portion 153c is bent at an angle θ3 relative to the second plate portion 153b toward the first plate portion 153a. That is, the angle θ3 is an acute angle.

When connecting one water stop device 1 to another water stop device 1 in the left-right direction Y, the first connecting portion 51 of the one water stop device 1 is aligned with the second connecting portion 54 of the other water stop device 1, as shown in FIG. 10(a). Then, as shown in FIG. 10(b), the second connecting portion 54 of the other water stop device 1 is overlapped with the first connecting portion 51 of the one water stop device 1 from the front side A toward the back side B.

As a result, the water-stopping member 8 attached to the receiving portion 55 of the other water-stopping device 1 comes into contact with the folded portion 52 of the first water-stopping device 1. At this time, the bottom plate portion 3 of the first water-stopping device 1 and the bottom plate portion 3 of the other water-stopping device 1 are flush with each other. Although not shown in the figure, the rising plate portion 4 of the first water-stopping device 1 and the rising plate portion 4 of the other water-stopping device 1 are also flush with each other.

Furthermore, by overlapping the second connecting portion 54 of the other water stopping device 1 with the first connecting portion 51 of the one water stopping device 1 from the front side A to the back side B, the first fitting portion 153 of the one water stopping device 1 is sandwiched and fitted with the second fitting portion 56 of the other water stopping device 1. At this time, the first plate portion 153a and the fourth plate portion 56a are in surface contact, and the third plate portion 153c and the sixth plate portion 56c are in surface contact.

According to this embodiment, the connecting portion 5 has a first connecting portion 51 formed at one end in the left-right direction and a second connecting portion 54 formed at the other end in the left-right direction, the first connecting portion 51 has a first fitting portion 153 formed by bending a steel plate, the first fitting portion 153 has a first plate portion 153a formed by bending the steel plate 10 toward the front side A, a second plate portion 153b bent from the first plate portion 153a, and a third plate portion 153c bent from the second plate portion 153b toward the first plate portion 153a, and the second connecting portion 54 has a second fitting portion 56 formed in a shape into which the first fitting portion 153 of another water stop device adjacent in the left-right direction is fitted. As a result, the first fitting portion 153 and the second fitting portion 56 can be fitted together by overlapping the second fitting portion 56 with the first fitting portion 153 from the front side A toward the back side B. This allows the work of fitting them together to be performed easily, and enables the work of connecting multiple water stop devices 1 to be completed in a short period of time.

According to this embodiment, the first fitting portion 153 is formed by bending the steel plate 10 toward the front side A. As a result, the first plate portion 153a and the third plate portion 153c are sandwiched and fitted between the fourth plate portion 56a and the sixth plate portion 56c. This makes it possible to more firmly fit the first fitting portion 153 and the second fitting portion 56.

According to this embodiment, the first plate portion 153a and the fourth plate portion 56a are in surface contact with each other, and the third plate portion 153c and the sixth plate portion 56c are in surface contact with each other. This makes it possible to further firmly engage the first fitting portion 153 with the second fitting portion 56.

Next, we will explain the fourth example of the water stop device 1 according to the embodiment.

As shown in FIG. 11, the water stop device 1 according to the fourth example has a folded portion 52 formed by folding back the steel plate 10, and a first fitting portion 153 connected to the folded portion 52. In addition, in the water stop device 1 according to the fourth example, the second connecting portion 54 has a receiving portion 55 connected to the bottom plate portion 3 and the rising plate portion 4, and a second fitting portion 156 connected to the receiving portion 55.

When connecting one water stop device 1 to another water stop device 1 in the left-right direction Y, the first connecting portion 51 of the one water stop device 1 is aligned with the second connecting portion 54 of the other water stop device 1, as shown in FIG. 11(a). Then, as shown in FIG. 11(b), the second connecting portion 54 of the other water stop device 1 is overlapped with the first connecting portion 51 of the one water stop device 1 from the front side A toward the back side B.

As a result, the water-stopping member 8 attached to the receiving portion 55 of the other water-stopping device 1 comes into contact with the folded portion 52 of the first water-stopping device 1. At this time, the bottom plate portion 3 of the first water-stopping device 1 and the bottom plate portion 3 of the other water-stopping device 1 are flush with each other. Although not shown in the figure, the rising plate portion 4 of the first water-stopping device 1 and the rising plate portion 4 of the other water-stopping device 1 are also flush with each other.

In addition, by overlapping the second connecting portion 54 of the other water-stopping device 1 with the first connecting portion 51 of the one water-stopping device 1 from the front side A to the back side B, the first fitting portion 153 of the one water-stopping device 1 is sandwiched and fitted with the second fitting portion 156 of the other water-stopping device 1.

According to this embodiment, the second fitting portion 156 is formed by curving the steel plate 10 toward the front side A. As a result, the first fitting portion 153 is fitted with the curved second fitting portion 156. This makes it possible to more smoothly perform the fitting between the first fitting portion 153 and the second fitting portion 156.

Although the embodiment of the present invention has been described above, this embodiment is presented as an example and is not intended to limit the scope of the invention. Furthermore, this invention can be implemented in various new forms in addition to the above-mentioned embodiment. Therefore, the above-mentioned embodiment can be variously omitted, replaced, or modified without departing from the gist of the invention. Such new forms and modifications are included in the scope and gist of the invention, and are included in the scope of the invention described in the claims and the equivalents of the invention described in the claims.

1: Water stop device 10: Steel plate 2: Main body 3: Bottom plate 3a: Front curved portion 31: Flat portion 4: Rising plate 4a: Upper curved portion 41: Handle 5: Connection portion 51: First connection portion 52: Folded portion 53: First fitting portion 153: First fitting portion 153a: First plate 153b: Second plate 153c: Third plate 54: Second connection portion 55: Receiving portion 56: Second fitting portion 56a: Fourth plate 56b: Fifth plate 56c: Sixth plate 156: Second fitting portion 6: First protrusion 61: Tip 61a: Tapered portion 62: Tip 62a : Tapered portion 7 : Second protrusion portion 8 : Water-stopping member A : Front side B : Back side X : Front-rear direction Y : Left-right direction Z : Up-down direction

Claims (5)

A water stop device for preventing water from entering the building,
The main body is integrally molded from a single steel plate.
The main body portion is
A bottom plate portion disposed along an installation surface;
A rising plate portion rising from a rear end of the bottom plate portion;
A connecting portion at a left-right end portion for connecting to another water stop device adjacent in the left-right direction;
A first protrusion portion is disposed across the bottom plate portion and the rising plate portion and is formed as a protrusion along the bottom plate portion and the rising plate portion ,
The connecting portion has a first connecting portion formed at one end in the left-right direction and a second connecting portion formed at the other end in the left-right direction,
The first connecting portion has a first fitting portion formed by bending a steel plate toward the front surface side,
The second connecting portion has a second fitting portion formed in a shape into which the first fitting portion of another water stopping device adjacent in the left-right direction is fitted,
The second fitting portion has a fourth plate portion formed by bending a steel plate toward the front side, a fifth plate portion bent from the fourth plate portion, and a sixth plate portion bent from the fifth plate portion toward the fourth plate portion . The main body further includes a second protrusion portion disposed across the bottom plate portion and the rising plate portion and formed as a protrusion along the bottom plate portion and the rising plate portion,
The waterproof device according to claim 1 , wherein the second protrusions protrude less than the first protrusions. The waterproof device according to claim 1 or 2, wherein a tip portion of the first protrusion portion on the bottom plate portion is disposed away from a front end of the bottom plate portion and has a tapered portion formed in a tapered shape. A water stop device for preventing water from entering the building,
The main body is integrally molded from a single steel plate.
The main body portion is
A bottom plate portion disposed along an installation surface;
A rising plate portion rising from a rear end of the bottom plate portion;
A connecting portion at a left-right end portion for connecting to another water stop device adjacent in the left-right direction;
A first protrusion portion is disposed across the bottom plate portion and the rising plate portion and is formed as a protrusion along the bottom plate portion and the rising plate portion,
The connecting portion has a first connecting portion formed at one end in the left-right direction and a second connecting portion formed at the other end in the left-right direction,
The first connecting portion has a first fitting portion formed by bending a steel plate,
the first fitting portion has a first plate portion bent toward a front surface side, a second plate portion bent from the first plate portion, and a third plate portion bent from the second plate portion toward the first plate portion,
The second connecting portion has a second fitting portion formed in a shape into which the first fitting portion of another water stopping device adjacent in the left-right direction is fitted. The waterproof device according to claim 4 , wherein the second fitting portion is formed by bending a steel plate.

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