Water shutoff device

The water stop device addresses misalignment issues by using panels with reduced dimensions and positioning means for correct installation, ensuring enhanced watertight sealing.

JP2026093621APending Publication Date: 2026-06-09BUNKA SHUTTER CO LTD

Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
BUNKA SHUTTER CO LTD
Filing Date
2024-11-28
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Conventional water stop devices face issues with misalignment of water stop panels, leading to compromised watertightness due to displaced center positions, resulting in water leakage.

Method used

The water stop device is designed with panels having dimensions smaller than the mounting width, equipped with positioning means to align the center position with mounting parts, ensuring correct installation and maintaining watertight continuity between panels.

Benefits of technology

This configuration ensures proper alignment and watertight sealing, preventing water leakage and enhancing the overall watertight performance of the device.

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Abstract

The present invention provides a water-stopping device that allows water-stopping panels to be correctly installed in their designated mounting positions. [Solution] The water-stopping device 1 of the present invention is a water-stopping device configured such that a rectangular plate-shaped water-stopping panel is attached to mounting parts located on both the left and right sides of an opening, and the water-stopping panel prevents water from passing through the opening, wherein the left and right length dimension of the water-stopping panel 3 is formed to be smaller than the allowable left and right width dimension of the water-stopping panel to be attached between the left and right mounting parts, and the water-stopping panel can be attached to the mounting parts even when the center position between the left and right water-stopping panels is shifted to the left or right of the center position between the left and right mounting parts, and the water-stopping panel 3 is provided with positioning means 5 on at least one side of the left end and the right end, which interfere with the mounting part side to position the mounting position of the water-stopping panel so that the center position between the left and right water-stopping panels coincides with the center position between the left and right mounting parts.
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Description

Technical Field

[0001] The present invention relates to a water stop device that prevents water from passing through an opening.

Background Art

[0002] A water stop device is known in which a water stop panel is installed on the front side or the rear side of an opening to prevent water from passing through the opening. The opening where the water stop panel is installed is, for example, an opening that constitutes an entrance or an exit of a building structure. The building structure refers to so-called buildings such as single-family houses, condominiums, buildings, warehouses, factories, etc., external structures such as garages, carports, gates, fences, etc., and structures such as tunnels and underground shopping streets. The front side of the opening is "either the indoor side or the outdoor side", and the rear side of the opening is "either the indoor side or the outdoor side". Hereinafter, the front side of the opening is the outdoor side (i.e., the side where water arrives due to rain, river flooding, etc.), the rear side of the opening is the indoor side, and a water stop panel is installed on the front side of the opening that becomes the outdoor side where water arrives due to rain, river flooding, etc., and a water stop device that prevents water from entering the rear side of the opening that becomes the indoor side will be exemplified and described.

[0003] As such a water stop device configured by installing a water stop panel on the front side of an opening that becomes the outdoor side where water arrives due to rain, river flooding, etc., a water stop device having a configuration in which a plurality of water stop panels having the same configuration are stacked is known (see Patent Document 1).

[0004] Also, as a water stop device configured by installing a water stop panel on the front side of an opening that becomes the outdoor side where water arrives due to rain, river flooding, etc., as shown in FIGS. 9 and 10, a water stop device 1C having a configuration in which an upper water stop panel 4 having a configuration different from that of the lower water stop panel 3C is stacked on the lower water stop panel 3C is also known. In addition, each water stop panel disclosed in Patent Document 1 has substantially the same configuration as the lower water stop panel 3C shown in FIGS. 9 and 10. Also, up, down, left, right, front, and rear are defined and described in the directions shown in FIG. 9.

[0005] As shown in Figures 9 and 10, the mounting section to which the lower water-stopping panel 3C and the upper water-stopping panel 4 are attached comprises a left-side mounting section 2L provided on the front surface Wf of the left wall WL located to the left of the opening A, and a right-side mounting section 2R provided on the front surface Wf of the right wall WR located to the right of the opening A. The left mounting section 2L and the right mounting section 2R each include a column section 2P fixed to the wall (left wall WL or right wall WR) with anchor bolts 2A (see Figure 3(b)), etc., and a guide receiving section 20 provided on the left or right side of the lower front surface 2WS of the column section 2P. Furthermore, the column section 2P and the guide receiving section 20 correspond to the vertical base section 3a and the support column 2 in reference 1, respectively. The front surface 2WS of column section 2P functions as a watertight surface that comes into contact with the watertight maintenance means, described later, provided on the lower watertight panel 3C and the upper watertight panel 4, to maintain a watertight state. The guide receiving section 20 comprises an outer plate 20f facing the left or right end surface of the lower water-stopping panel 3C, a front plate 20a extending laterally from the front end of the outer plate 20f, and a guide receiving groove opening in the front plate 20a. The guide groove comprises a lower guide groove 21 and an upper guide groove 22.

[0006] The lower water-stopping panel 3C is equipped with a panel body 30, and the upper water-stopping panel 4 is equipped with a panel body 40. These panel bodies 30, 40 are configured, for example, in the shape of a hollow rectangle panel (plate), and include a front surface formed by one rectangular plate surface that serves as the panel surface of the water-stopping panel, a rear surface formed by the other rectangular plate surface that serves as the panel surface of the water-stopping panel, a lower end surface connecting the lower edge of the front surface to the lower edge of the rear surface, a left end surface connecting the left edge of the front surface to the left edge of the rear surface, a right end surface connecting the right edge of the front surface to the right edge of the front surface, and an upper end surface connecting the upper edge of the front surface to the upper edge of the rear surface.

[0007] In the water-stopping device 1C shown in Figures 9 and 10, the guide receiving portion 20 for attaching the lower water-stopping panel 3C is provided only on the lower side of the column portion 2P. Furthermore, in a water-stopping device configured to stack water-stopping panels of the same configuration upwards, as described in Patent Document 1, each guide receiving portion for attaching each water-stopping panel is provided on the front side of the column.

[0008] As shown in Figure 9, the lower watertight panel 3C is comprised of the panel body 30 described above, watertight maintenance means 31a to 31d, a guide 32, a fixing device 33, and a handle 35. The guide 32 and the fixing device 33 function as mounting means for attaching the lower water-stopping panel 3C to the mounting section (left mounting section 2L and right mounting section 2R). Furthermore, the upper watertight panel 4 is comprised of the panel body 40 described above, watertight maintenance means 41a to 41c, fixing device 42, and handles 45 and 46. The fixing device 42 functions as a mounting means for attaching the upper water-stopping panel 4 to the mounting section (left mounting section 2L and right mounting section 2R).

[0009] The watertight maintenance means 31a to 31d and the watertight maintenance means 41a to 41c are composed of, for example, rubber sealing materials such as rubber sponges made of EPDM (ethylene propylene diene rubber), sealing materials having water swelling properties, or sealing materials made of other materials.

[0010] For example, as shown in Figures 9 and 11, the watertight maintenance means 31a is provided to extend in the left-right direction on the lower end surface of the panel body 30, the watertight maintenance means 31b is provided to extend in the front-rear direction on the left and right ends of the lower end surface of the panel body 30, the watertight maintenance means 31c is provided to extend in the up-down direction on the left and right ends of the rear surface of the panel body 30, and the watertight maintenance means 31d is provided to extend in the front-rear direction on the left and right ends of the upper end surface of the panel body 30. Furthermore, the watertight maintenance means 41a is provided to extend in the left-right direction on the lower end surface of the panel body 40, the watertight maintenance means 41b is provided to extend in the front-rear direction on the left and right ends of the lower end surface of the panel body 40, and the watertight maintenance means 41c is provided to extend in the up-down direction on the left and right ends of the rear surface of the panel body 30.

[0011] As shown in Figure 9, the guides 32 are provided on the upper and lower sides of the left end face of the panel body 30 of the lower water-stopping panel 3C, and also on the upper and lower sides of the right end face of the panel body 30. The guide 32 is comprised of a rod-shaped body 32a that protrudes from the left or right end face of the panel body 30 of the lower water-stopping panel 3C, and a roller 32b provided on the tip side of the rod-shaped body 32a. The fixing device 33 is provided on the left and right ends of the front surface of the panel body 30 of the lower water-stopping panel 3C. The fixing device 33 includes a horizontal bar-shaped engaging body 33b that is movable laterally from the left or right end face of the water-stopping panel 3C of the panel body 30, a horizontal cylindrical movement path 33a provided on the left or right end side of the front surface of the panel body 30 to hold the engaging body 33b so as to be movable outward and inward from the left or right end face of the panel body 30, and an operating part 33c provided on the engaging body 33b to lock the engaging body 33b in an activated state and a deactivated state. Furthermore, the horizontal cylindrical movement path 33a is formed with a slide groove 33d that allows the operating part 33c to slide laterally, and lock grooves that extend in the circumferential direction of the horizontal cylindrical movement path 33a at both the left and right ends of the slide groove 33d. The lock grooves include an operating lock groove 33e formed at one end of the slide groove 33d in the horizontal cylindrical movement path 33a, and a non-operating lock groove 33f formed at the other end of the slide groove 33d in the horizontal cylindrical movement path 33a (see Figures 3(b) and 8(b)). Furthermore, a pressing mechanism such as a spring (not shown) is provided at the end of the horizontal cylindrical movement path 33a. When the operating part 33c moves from the non-operating lock groove 33f into the slide groove 33d, the engaging body 33b is pressed towards the guide receiving part 20, causing the engaging body 33b to contact the inner surface (rear surface) 20u of the front plate 20a of the guide receiving part 20. Subsequently, by inserting the operating part 33c into the operating lock groove 33e, the lower water-stopping panel 3C is attached to the mounting parts (left mounting part 2L and right mounting part 2R).

[0012] The fixing device 42 is a device that fixes the upper water-stopping panel 4 to the mounting parts (left mounting part 2L and right mounting part 2R) so that the upper water-stopping panel 4 is stacked on top of the lower water-stopping panel 3C, and is provided on the left and right ends of the upper end of the panel body 40, respectively. The fixing device 42 includes a contact portion 42a that abuts against the front surface 2WS of the column portion 2P and the opening end surface Wi of the wall (left wall WL or right wall WR), a screw operating portion 42b that moves the contact portion 42a back and forth in the left and right directions, and a locking mechanism 42c that locks the water-stopping panel 4 while biasing it toward the water-stopping surface 2WS side (rear) and toward the water-stopping panel 3C side (down).

[0013] The lower water-stopping panel 3C is installed by, for example, holding the handle 35 provided on the front of the panel body 30 and installing it from the front of the opening A. Specifically, the rollers 32b, 32b of the left and right lower guides 32, 32 of the water-stopping panel 3C are inserted into the lower guide grooves 21 of the guide receiving portion 20 of the left mounting portion 2L and the lower guide grooves 21 of the guide receiving portion 20 of the right mounting portion 2R, and the rollers 32b, 32b of the left and right upper guides 32, 32 of the water-stopping panel 3C are inserted into the upper guide grooves 22 of the guide receiving portion 20 of the left mounting portion 2L and the lower guide grooves 22 of the guide receiving portion 20 of the right mounting portion 2R. After that, the operating part 33c of the fixing device 33 is operated to make the engaging body 33b protrude toward the guide receiving portion 20 and come into contact with the inner surface (rear surface) 20u of the front plate 20a, and then the operating part 33c is inserted into the operating lock groove 33e. As a result, the engaging body 33b contacts the inner surface 20u of the front plate 20a of the guide receiving portion 20 and receives a reaction force from the front plate 20a, which presses the lower water-stopping panel 3C backward and downward. This maintains a watertight seal between the lower end surface of the lower water-stopping panel 3 and the installation surface F by the watertight maintenance means 31a, 31b, and the lower water-stopping panel 3C is attached to the mounting portion (left mounting portion 2L and right mounting portion 2R) in such a way that the left and right ends of the rear surface of the lower water-stopping panel 3 and the front surfaces (water-stopping surfaces) 2WS, 2WS of the left and right column portions 2P, 2P are maintained in a watertight seal by the watertight maintenance means 31b, 31c, 31d.

[0014] The upper water-stopping panel 4 is installed by, for example, holding the handle 45 provided on the upper end surface of the panel body 40 and installing it from above the lower water-stopping panel 3C which is attached to the mounting section (left mounting section 2L and right mounting section 2R). Specifically, the lower end surface of the upper water-stopping panel 4 is placed on the upper end surface of the lower water-stopping panel 3C, which is attached to the mounting parts (left mounting part 2L and right mounting part 2R). Then, the screw operating part 42b of the fixing device 42 is operated to bring the contact part 42a into contact with the front surface 2WS of the column part 2P and the opening end surface Wi of the wall (left wall WL or right wall WR). After that, the operating body 42d of the locking mechanism 42c is lowered to activate the locking mechanism 42c. As a result, the upper water-stopping panel 4 is pressed so as to rotate downward and backward, and the lower end surface of the upper water-stopping panel 4 and the upper end surface of the water-stopping panel 3C are maintained in a watertight state by the watertight maintenance means 41a, 31d, and 41b, and the left and right ends of the rear surface of the upper water-stopping panel 4 and the front surfaces (water-stopping surfaces) 2WS, 2WS of the left and right column sections 2P, 2P are maintained in a watertight state by the watertight maintenance means 41c, so that the upper water-stopping panel 4 is attached to the mounting section (left mounting section 2L and right mounting section 2R).

[0015] Based on the above, a water-stopping device 1C is configured to prevent water from passing through opening A, as shown in Figure 10. [Prior art documents] [Patent Documents]

[0016] Patent Document 1 Japanese Patent Application Laid-Open No. 2023-179158 Summary of the Invention Problems to be Solved by the Invention

[0017] Each water stop panel of the water stop device described in Patent Document 1 and the lower water stop panel 3C of the water stop device 1C shown in FIGS. 9 and 10 are formed with left and right length dimensions (the left and right length dimension from the tip of the left guide to the tip of the right guide) that are several millimeters to about a dozen millimeters smaller than the left and right length dimension between the inner surfaces of the outer plates 20f, 20f of the left and right guide receiving portions 20, 20. That is, in the conventional water stop device, the left and right length dimension 3W of the water stop panel (see FIG. 2) is formed smaller than the allowable left and right width dimension for attaching the water stop panel between the left and right attachment portions (the left and right length dimension between the inner surfaces of the outer plates 20f, 20f of the left and right guide receiving portions 20, 20) 2W (see FIG. 2), and the center position between the left and right of the water stop panel 3 is displaced to the left or right side from the center position between the left and right attachment portions, so that it can be attached to the attachment portion. Therefore, there are the following problems. For example, as shown in FIG. 10, when the lower water stop panel 3C is attached in a state where the center position between the left and right of the lower water stop panel 3C is displaced to the position 3L on the left side of the center position 2M between the left and right attachment portions, or when the lower water stop panel 3C is attached in a state where the center position between the left and right of the lower water stop panel 3C is displaced to the position 3R on the right side of the center position 2M between the left and right attachment portions, that is, when the lower water stop panel 3C is attached in a state where it is displaced to the left or right from the normal attachment position, the attachment balance of the lower water stop panel 3C deteriorates. Then, in this way, when the lower water stop panel 3C is mounted in a state of being displaced to the left or right from the normal mounting position and the upper panel 4 to be mounted so as to be stacked on the lower panel is mounted at the normal mounting position (that is, when the upper panel 4 is mounted such that the center position between the left and right of the upper panel 4 coincides with the center position 2M between the left and right mounting portions), as shown in FIG. 11, there may occur a water leakage portion 34i where the continuity between the water tightness maintaining means 31d, 31c of the lower panel 3C and the water tightness maintaining means 41b, 41c of the upper water stop panel 4 is lost. For example, in FIG. 11, the case where the lower water stop panel 3C is mounted in a state of being displaced to the right from the normal mounting position and the upper water stop panel 4 is correctly mounted at the normal mounting position is illustrated. In this case, there may occur a water leakage portion 34i where the continuity between the water tightness maintaining means 31d, 31c of the lower panel 3C and the water tightness maintaining means 41b, 41c of the upper water stop panel 4 is lost.

[0018] In order to solve the above-described problems, the present invention provides a water stop device having a structure in which the left and right length dimensions of the water stop panel are formed smaller than the allowable left and right width dimension for mounting the water stop panel between the left and right mounting portions, and the center position between the left and right of the water stop panel can be mounted to the mounting portion even in a state of being displaced to the left or right side from the center position between the left and right mounting portions. The water stop device is capable of mounting the water stop panel to the mounting portion such that the center position between the left and right of the water stop panel coincides with the center position between the left and right mounting portions, that is, the water stop device is configured to be able to correctly mount the water stop panel at the normal mounting position.

Means for Solving the Problems

[0019] The water-stopping device according to the present invention is a water-stopping device in which a rectangular plate-shaped water-stopping panel is attached to mounting parts located on both the left and right sides of an opening, and the water-stopping panel is configured to prevent water from passing through the opening, wherein the left and right length dimension of the water-stopping panel is formed to be smaller than the allowable left and right width dimension of the water-stopping panel to be attached between the left and right mounting parts, and the water-stopping panel can be attached to the mounting parts even when the center position between the left and right sides of the water-stopping panel is shifted to the left or right of the center position between the left and right mounting parts, and the water-stopping panel is provided with positioning means on at least one side of the left end and the right end, which interfere with the mounting part side to position the mounting position of the water-stopping panel so that the center position between the left and right sides of the water-stopping panel coincides with the center position between the left and right mounting parts. Furthermore, the water-stopping panel is a lower water-stopping panel installed at the lowest position of the opening to close the opening, and the lower water-stopping panel comprises watertight maintenance means provided on the lower end surface installed on the installation surface, the left and right ends of the rear surface, and the left and right ends of the upper end surface, and mounting means for attaching to the mounting part, and the mounting part comprises column portions provided on the front surfaces of the left and right walls provided on the left and right sides of the opening, and when the lower water-stopping panel is attached to the mounting part via the mounting means, the space between the lower end surface of the lower water-stopping panel and the installation surface is maintained in a watertight state by the watertight maintenance means, and the left and right ends of the rear surface of the lower water-stopping panel and the front surfaces of the column portions are maintained in a watertight state by the watertight maintenance means. Furthermore, the device includes an upper water-sealing panel that is installed on top of a lower water-sealing panel to close the opening, and the upper water-sealing panel is provided with a lower end surface installed on the upper end surface of the lower water-sealing panel, watertight maintenance means provided on the left and right ends of the rear surface, and mounting means for attaching to the mounting part, and when the upper water-sealing panel is installed on the upper end surface of the lower water-sealing panel and attached to the mounting part via the mounting means, the space between the lower end surface of the upper water-sealing panel and the upper end surface of the lower water-sealing panel is maintained in a watertight state by the watertight maintenance means, and the left and right ends of the rear surface of the upper water-sealing panel and the front surface of the column are maintained in a watertight state by the watertight maintenance means. Furthermore, the mounting means for the lower water-stopping panel includes guides provided to protrude from the left and right end faces of the lower water-stopping panel, and fixing devices provided on the left and right ends of the front surface of the lower water-stopping panel, the mounting portion includes a guide receiving portion on the left or right end of the front surface of the column portion, the guide receiving portion includes an outer plate facing the left or right end face of the lower water-stopping panel, a front plate extending laterally from the front end of the outer plate, and a guide receiving groove opening in the front plate, the fixing device includes an engaging body provided to be movable laterally from the left or right end face of the lower water-stopping panel, The positioning means comprises a mounting portion attached to at least one of the left and right ends on the front surface of the lower water-stopping panel, and an interfering portion that interferes so as to be in close proximity to the outer surface of the outer plate of the guide receiver. The lower water-stopping panel is attached to the mounting portion when the interfering portion of the positioning means provided on the lower water-stopping panel interferes so as to be in close proximity to the outer surface of the outer plate of the guide receiver, and after the guide is inserted into the guide receiver groove, the engaging body of the fixing device moves in a direction toward the guide receiver and engages with the inner surface of the front plate of the guide receiver. According to the present invention, the water-stopping device is configured such that the left and right length dimension of the water-stopping panel is smaller than the allowable left and right width dimension of the water-stopping panel between the left and right mounting parts, and the water-stopping device can be mounted to the mounting part even when the center position between the left and right water-stopping panels is shifted to the left or right of the center position between the left and right mounting parts. In this water-stopping device, the water-stopping device can be mounted to the mounting part such that the center position between the left and right water-stopping panels coincides with the center position between the left and right mounting parts, that is, a water-stopping device that enables the water-stopping panel to be correctly mounted in the correct mounting position. Furthermore, when the lower watertight panel is installed in its proper mounting position, and the upper panel, which is installed to be stacked on top of the lower panel, is installed in its proper mounting position, the continuity between the watertight maintenance means of the lower panel and the watertight maintenance means of the upper watertight panel is maintained, making it possible to provide a watertight device with superior watertight performance. [Brief explanation of the drawing]

[0020] [Figure 1] A perspective view showing a water-stopping device (Embodiment 1). [Figure 2] Exploded view showing the water-stopping device (Embodiment 1). [Figure 3] (a) is a front view showing the water-stopping device, and (b) is a cross-sectional view taken along arrow A and arrow B of (a) (cross-sectional hatching omitted) (Embodiment 1). [Figure 4] (a) is a perspective view showing the positioning means, (b) is a plan view of the positioning means, (c) is a front view of the positioning means, and (b) is a right side view of the positioning means (Embodiment 1). [Figure 5] A perspective view (Embodiment 1) showing the state in which the continuity of the watertight maintenance means is maintained. [Figure 6] Plan view of the positioning means (Embodiment 2). [Figure 7] A perspective view showing the water-stopping device (Embodiment 3). [Figure 8] (a) is a front view showing the water-stopping device, and (b) is a cross-sectional view taken along arrow C in (a) (cross-sectional hatching omitted) (Embodiment 3). [Figure 9] Exploded perspective view showing a water-stopping device (conventional example). [Figure 10] Front view showing a water-stopping device (conventional example). [Figure 11] A perspective view (conventional example) showing a state where the continuity of the watertightness maintenance means has been lost. [Modes for carrying out the invention]

[0021] Embodiment 1 A water-stopping device 1 according to Embodiment 1 of the present invention will be described with reference to Figures 1 to 5. The water-stopping device 1 according to Embodiment 1 is a water-stopping device 1 configured such that a rectangular plate-shaped water-stopping panel 3 is attached to mounting parts located on both the left and right sides of an opening, and the water-stopping panel 3 prevents water from passing through the opening A. The left and right length dimension 3W (see Figure 2) of the water-stopping panel 3 is formed to be smaller than the allowable left and right width dimension (see Figure 2) 2W of the water-stopping panel 3 between the left and right mounting parts, so that the water-stopping device 1 can be attached to the mounting parts even if the center position 3M between the left and right sides of the water-stopping panel 3 is shifted to the left or right of the center position 2M between the left and right mounting parts. In the following embodiments, up, down, left, right, front, and back are defined and explained as the directions shown in Figure 1. Furthermore, in the water-stopping device 1 shown in Figures 1 to 5, the same parts as those in the water-stopping device 1C shown in Figures 10 and 9 are given the same reference numerals. Furthermore, Embodiment 1 illustrates and explains a water-stopping device 1 in which a water-stopping panel is installed on the front side of the opening, which is the outdoor side where water from rain or river flooding arrives, to prevent water from entering the rear side of the opening, which is the indoor side.

[0022] The water-stopping device 1 according to Embodiment 1 includes a mounting portion, a lower water-stopping panel, and an upper water-stopping panel, similar to the water-stopping device 1C shown in Figures 10 and 9.

[0023] Furthermore, the mounting section consists of a left-side mounting section 2L provided on the front surface Wf of the left wall WL located to the left of the opening A, and a right-side mounting section 2R provided on the front surface Wf of the right wall WR located to the right of the opening A, similar to the mounting section described for the water-stopping device 1C shown in Figures 10 and 9. Furthermore, the upper water-stopping panel 4 is constructed in the same way as the upper water-stopping panel 4 described in the water-stopping device 1C shown in Figures 10 and 9, and comprises a panel body 40, watertight maintenance means 41a to 41c, fixing device 42, and handles 45 and 46. In other words, the components other than the lower water-stopping panel 3, namely the mounting parts (left mounting part 2L and right mounting part 2R) and the upper water-stopping panel 4, are the same as those described in the water-stopping device 1C shown in Figures 10 and 9, so their explanation is omitted here.

[0024] The lower water-stopping panel 3, like the lower water-stopping panel 3C described in the water-stopping device 1C shown in Figures 10 and 9, comprises a panel body 30, watertight maintenance means 31a to 31d, a guide 32, a fixing device 33, and a handle 35. Furthermore, in the water-stopping device 1 according to Embodiment 1, the lower water-stopping panel 3 is provided with a positioning means 5 on the left end of the front surface of the panel body 30, which interferes with the left mounting portion 2L to position the mounting position of the water-stopping panel 3 so that the center position 3M between the left and right water-stopping panel 3 coincides with the center position 2M between the left and right mounting portions 2L and 2R. Additionally, on the right end of the front surface of the panel body 30, a positioning means 5 is provided, which interferes with the right mounting portion 2R to position the mounting position of the water-stopping panel 3 so that the center position 3M between the left and right water-stopping panel 3 coincides with the center position 2M between the left and right mounting portions 2L and 2R, as shown in Figure 3. In other words, the lower water-stopping panel 3 that constitutes the water-stopping device 1 of Embodiment 1 is configured such that a positioning means 5 is provided on the lower water-stopping panel 3C described in the water-stopping device 1C shown in Figures 10 and 9.

[0025] In other words, in the water-stopping device 1 according to Embodiment 1, the mounting means for the lower water-stopping panel 3 includes a guide 32 provided so as to protrude from the left and right end faces of the lower water-stopping panel 3, and fixing devices 33 provided on the left and right end sides of the front surface of the lower water-stopping panel. Furthermore, the mounting sections (left mounting section 2L and right mounting section 2R) are equipped with guide receiving sections 20 on the left or right end of the lower front surface 2WS of the column section 2P. In other words, the left-side mounting portion 2L, which is provided on the front surface Wf of the left wall WL located to the left of the opening A, comprises a column portion 2P attached to the front surface Wf of the left wall WL, and a guide receiving portion 20 provided on the lower left end side of the column portion 2P. Furthermore, the right-side mounting portion 2R, which is provided on the front surface Wf of the right wall WR located to the right of the opening A, comprises a column portion 2P attached to the front surface Wf of the right wall WR, and a guide receiving portion 20 provided on the lower right end side of the column portion 2P. The guide receiving section 20 comprises an outer plate 20f facing the left or right end surface of the lower water-stopping panel 3, a front plate 20a extending laterally from the front end of the outer plate 20f, and a lower guide receiving groove 21 and an upper guide receiving groove 22 opening in the front plate 20a. The fixing device 33 includes a horizontal bar-shaped engaging body 33b that is movably mounted laterally from the left or right end face of the lower water-stopping panel 3.

[0026] As shown in Figure 4, the positioning means 5 is constructed, for example, by bending a metal plate, and includes a mounting portion 50 attached to either the left or right end of the front surface of the panel body 30 of the lower water-stopping panel 3, and a positioning function portion 51. The mounting portion 50 is composed of a rectangular plate portion, and elongated adjustment holes 52, which are long in the left-right direction, are formed on both the upper and lower sides. The positioning means 5 is attached to the front surface of the panel body 30 of the lower water-stopping panel 3 by passing fixing screws 56 (see Figure 1) through the upper and lower adjustment elongated holes 52, 52 and fixing the mounting portion 50 to the front surface of the panel body 30 of the lower water-stopping panel 3. The positioning function unit 51 is configured to include a forward extension piece 53 that extends forward from either the left or right end of the mounting unit 50, a lateral extension piece 54 that extends laterally from the extension end of the forward extension piece 53 and crosses in front of the guide receiving unit 20, and a positioning action piece 55 that extends rearward from the extension end of the lateral extension piece 54 and interferes with the outer surface of the outer plate 20f of the guide receiving unit 20 so as to be in close proximity to it. In this context, "proximity state" refers to a state in which the inner surface 55u of the positioning actuarial piece 55 (see Figure 4(b)) and the outer surface of the outer plate 20f of the guide receiving portion 20 are in contact, or a state in which the inner surface 55u of the positioning actuarial piece 55 and the outer surface of the outer plate 20f of the guide receiving portion 20 are facing each other with a small gap between them but without contact. Furthermore, Figure 4 illustrates the positioning means 5 attached to the right end of the front surface of the panel body 30 of the lower water-stopping panel 3. As shown in Figure 1, the positioning means 5 attached to the left end of the front surface of the panel body 30 of the lower water-stopping panel 3 is configured to be symmetrical to the positioning means 5 attached to the right end of the front surface of the panel body 30 of the lower water-stopping panel 3.

[0027] Then, the lower water-stopping panel 3 interferes with the positioning actuation piece 55 of the positioning means 5 of the water-stopping panel 3 so that it is close to the outer surface of the outer plate 20f of the guide receiving portion 20, and after the guide 32 is inserted into the guide receiving grooves 21 and 22, the engaging body 33b of the fixing device 33 moves in a direction toward the guide receiving portion 20 and engages with the inner surface (rear surface) 20u of the front plate 20a of the guide receiving portion 20, so that the center position 3M between the left and right water-stopping panels 3 coincides with the center position 2M between the left and right mounting portions 2L and 2R, the lower water-stopping panel 3 is attached to the underside of the mounting portions (left mounting portion 2L and right mounting portion 2R), and the underside of the opening A is closed (see Figure 3).

[0028] Furthermore, since the positioning means 5 is provided with adjustment elongated holes 52, 52 on the upper and lower sides of the mounting portion 50, the mounting position of the positioning means 5 on the panel body 30 of the lower water-stopping panel 3 can be adjusted so that the positioning actuation piece 55 is in close proximity to the outer surface of the outer plate 20f of the guide receiving portion 20. This allows for adjustment of the proximity between the inner surface 55u of the positioning actuation piece 55 and the outer surface of the outer plate 20f of the guide receiving portion 20.

[0029] Specifically, when the lower water-stopping panel 3 is attached to the mounting parts (left mounting part 2L and right mounting part 2R) via the positioning means 5 and mounting means (guide 32 and fixing device 33), the center position 3M between the left and right water-stopping panel 3 coincides with the center position 2M between the left and right mounting parts 2L and 2R. At the same time, the engaging body 33b contacts the inner surface 20u of the front plate 20a of the guide receiving part 20 and receives a reaction force from the front plate 20a, causing the lower water-stopping panel 3C to be pressed backward and downward. As a result, the space between the lower end surface of the lower water-stopping panel 3 and the installation surface F is maintained in a watertight state by the watertight maintenance means 31a and 31b, and the left and right ends of the rear surface of the lower water-stopping panel 3 and the front surfaces (water-stopping surfaces) 2WS and 2WS of the left and right column parts 2P and 2P are maintained in a watertight state by the watertight maintenance means 31b, 31c and 31d (see Figure 5).

[0030] When the upper water-stopping panel 4, which is installed on top of the lower water-stopping panel 3 to close the opening A, is attached to the left and right column sections 2P, 2P via mounting means (fixing device 42), the lower end surface of the upper water-stopping panel 4 and the upper end surface of the lower water-stopping panel 3C are maintained in a watertight state by watertight maintenance means 41a, 31d, 41b, and the left and right ends of the rear surface of the upper water-stopping panel 4 and the front surfaces (water-stopping surfaces) 2WS, 2WS of the left and right column sections 2P, 2P are maintained in a watertight state by watertight maintenance means 41c (see Figure 5).

[0031] As described above, the lower water-stopping panel 3 and the upper water-stopping panel 4 block the opening A, thereby forming a water-stopping device 1 that prevents water from passing through the opening A.

[0032] In the water-stopping device 1 according to Embodiment 1, as shown in Figure 2, the left-right length dimension 3W of the lower water-stopping panel 3 (the left-right length dimension from the tip of the left guide 32 to the tip of the right guide 32) is formed to be smaller than the allowable left-right width dimension 2W of the water-stopping panel 3 to be mounted between the left and right mounting parts (left mounting part 2L and right mounting part 2R) (the left-right length dimension between the inner surfaces of the outer plates 20f, 20f of the left and right guide receiving parts 20, 20). In this water-stopping device 1, which has a configuration that allows mounting even when the left-right center position 3M of the water-stopping panel 3 is shifted to the left or right of the center position 2M between the left and right mounting parts, as shown in Figure 3, it is now possible to provide a water-stopping device 1 that allows mounting the water-stopping panel 3 to the mounting part so that the left-right center position 3M of the water-stopping panel 3 coincides with the center position 2M between the left and right mounting parts. In other words, we have made it possible to provide a water-stopping device 1 that allows the lower water-stopping panel 3 to be correctly installed in its proper mounting position. Therefore, it is prevented that the lower water-stopping panel 3 is installed in a position that is shifted to the left or right, and the water-stopping panel 3 can be installed in a balanced manner. Furthermore, since the lower water-stopping panel 3 is prevented from being installed in a position shifted to the left or right, when the upper panel 4, which is installed so as to be stacked on top of the lower panel 3, is correctly installed in its proper mounting position, the continuity between the watertight maintenance means 31d,31c of the lower panel 3C and the watertight maintenance means 41b,41c of the upper water-stopping panel 4 is maintained, as shown in Figure 5. This prevents the occurrence of water-stopping leakage points 34i (see Figure 11) as seen in conventional water-stopping devices 1C.

[0033] Embodiment 2 As a positioning means, a positioning means 5A as shown in Figure 6 may be used. The positioning means 5A, like the positioning means 5 described above, is constructed, for example, by bending a metal plate, and comprises a mounting portion 50 attached to either the left or right end of the front surface of the panel body 30 of the lower water-stopping panel 3, and a positioning function portion 51A. The mounting portion 50 is composed of a rectangular plate portion, similar to the positioning means 5 described above, and has elongated adjustment holes 52 that are long in the left-right direction on both the upper and lower sides. Similar to the positioning means 5, the positioning means 5A is attached to the front surface of the panel body 30 of the lower water-stopping panel 3 by fixing the mounting portion 50 to the front surface of the panel body 30 of the lower water-stopping panel 3 by passing fixing screws 56 (see Figure 1) through the upper and lower adjustment elongated holes 52, 52. The positioning function unit 51A, like the positioning means 5 described above, is configured to include a forward extension piece 53 that extends forward from either the left or right end of the mounting portion 50, a lateral extension piece 54 that extends laterally from the extension end of the forward extension piece 53 and crosses in front of the guide receiving portion 20, and a positioning action piece 55a that extends rearward from the extension end of the lateral extension piece 54 and away from the forward extension piece 53.

[0034] With the lower water-stopping panel 3 equipped with the positioning means 5A, the portion 55b near the boundary between the inner surface 55u of the positioning working piece 55a and the inner surface 54u of the lateral extension piece 54 functions as an interfering portion that interferes so as to be close to the outer surface of the outer plate 20f of the guide receiving portion 20. This provides the same effect as in Embodiment 1, and since the extension end of the positioning working piece 55a is configured to extend away from the front extension piece 53, when inserting the lower water-stopping panel 3 into the guide receiving portions 20, 20, the extension end of the positioning working piece 55a is less likely to collide with the front plate 20a of the guide receiving portion 20, etc. This provides a water-stopping device 1 that can improve the workability when attaching the lower water-stopping panel 3 to the mounting portion (left mounting portion 2L and right mounting portion 2R).

[0035] Embodiment 3 As a positioning means, a positioning means 5X as shown in Figures 7 and 8 may be used. Furthermore, in the water-stopping device 1 of Embodiment 3 shown in Figures 7 and 8, the same reference numerals are used for parts identical to those in the water-stopping device 1C of Embodiment 1 shown in Figures 1 to 3, and their descriptions are omitted. While the positioning means 5 and 5A described above show interference portions made of metal plates, the positioning means 5X of Embodiment 3 is configured to have interference portions made of materials softer than metal, such as urethane cushions, rubber, or synthetic resins. As shown in Figure 8(b), the positioning means 5X comprises, for example, a metal part formed by bending a metal plate and a positioning function part 57. The metal part comprises a mounting portion 50X and a support portion 51X. The mounting portion 50x is composed of a rectangular plate portion, with screw mounting holes formed on the upper and lower sides. The positioning means 5X is attached to the front surface of the panel body 30 of the lower water-stopping panel 3 by passing a fixing screw 56 through the screw mounting hole and fixing the mounting portion 50x to the front surface of the panel body 30 of the lower water-stopping panel 3. The support portion 51X is comprised of a forward extension piece 53X that extends forward from either the left or right end of the mounting portion 50X, a lateral extension piece 54X that extends laterally from the extension end of the forward extension piece 53X and crosses in front of the guide receiving portion 20, and a rear extension piece 55X that extends rearward from the extension end of the lateral extension piece 54X. The positioning function unit 57 is configured to include a positioning actuator 57a that functions as an interference part, a support shaft 57b that supports the positioning actuator 57a on the rear extension piece 55X, and a fastening nut 57c that fastens the support shaft 57b to the rear extension piece 55X. In other words, the water-stopping panel 3 is equipped with a positioning means 5X configured such that a positioning actuarial body 57a, made of a material softer than metal such as rubber or synthetic resin, functions as an interfering part that interferes with the outer surface of the outer plate 20f of the guide receiving part 20 so that it is in close proximity to it.

[0036] With the lower water-stopping panel 3 equipped with the positioning means 5X, the positioning actuarial 57a, which functions as an interference part, is made of a material softer than metal, such as urethane cushion, rubber, or synthetic resin. Therefore, when inserting the lower water-stopping panel 3 into the guide receiving parts 20, 20, the lower water-stopping panel 3 can be attached while the positioning actuarial 57a is in contact with the outer surface of the outer plate 20f of the guide receiving part 20. Thus, a water-stopping device 1 can be provided that improves the workability when attaching the lower water-stopping panel 3 to the mounting parts (left mounting part 2L and right mounting part 2R).

[0037] Embodiment 4 In the positioning means 5X described in Embodiment 3, it is preferable to have a configuration in which the support shaft 57b is formed by a screw shaft, as shown in Figure 8(b), and nuts 58 for adjusting and fixing the position of the positioning actuarial 57a are screwed onto the support shaft 57b formed by the screw shaft, because this makes it easy to adjust and fix the position of the positioning actuarial 57a.

[0038] In the positioning means 5 and 5A described above, the mounting portion 50 is provided with an adjustment elongated hole 52, and the position of the interfering portion is adjusted and fixed on the mounting portion 50 side. However, in the positioning means 5X, the interfering portion is equipped with a position adjustment mechanism and a position fixing mechanism, so that the position of the interfering portion can be easily adjusted and fixed on the interfering portion side.

[0039] Embodiment 5 In the embodiments described above, a water-stopping panel 3 was illustrated that includes positioning means 5, 5A, 5X that interfere with the outer surface of the outer plate 20f of the guide receiving portion 20, which serves as the mounting portion, to position the mounting position of the water-stopping panel 3 so that the center position 3M between the left and right sides of the water-stopping panel 3 coincides with the center position 2M between the left and right mounting portions. However, as shown in Figure 3(b), the water-stopping panel 3 may also be configured to have positioning means 5Y, 5Y on the left and right ends of the rear surface of the panel body 30 that interfere in close proximity to the opening-side end faces Wi, Wi of the left and right walls WL, WR, which serve as the mounting portion, to position the mounting position of the water-stopping panel 3 so that the center position 3M between the left and right sides of the water-stopping panel 3 coincides with the center position 2M between the left and right mounting portions.

[0040] In the water-stopping device 1 described above, the lower water-stopping panel 3 is exemplified by having positioning means 5, 5A, 5X, 5Y on both the left and right ends of the panel body 30, which interfere with the mounting part side to position the mounting position of the water-stopping panel 3 so that the center position 3M between the left and right sides of the water-stopping panel 3 coincides with the center position 2M between the left and right mounting parts. However, the water-stopping panel 3 may also be configured to have positioning means 5, 5A, 5X, 5Y on only one of the left or right ends of the panel body 30.

[0041] Furthermore, the water-stopping device according to the present invention may also use a water-stopping panel with the same configuration as the lower water-stopping panel 3 as the upper water-stopping panel that is installed on top of the lower water-stopping panel 3 to close the opening A, as disclosed in Patent Document 1.

[0042] Alternatively, the water-stopping panel 4 described above, or the water-stopping panel 3, which has the same configuration as the upper water-stopping panel, may be provided with positioning means 5, 5A, 5X, and 5Y.

[0043] Furthermore, while the above example illustrates a water-stopping device 1 in which a water-stopping panel is installed on the front side of the opening, which is the outdoor side from which water such as rain or river flooding enters, to prevent water from entering the rear side of the opening, which is the indoor side, the water-stopping device according to the present invention may also be configured such that the water-stopping panel is installed on the rear side of the opening, which is the indoor side, rather than on the front side of the opening, which is the outdoor side from which water such as rain or river flooding enters. [Explanation of symbols]

[0044] 1. Water-stopping device 2L Left side mounting section (mounting section) 2R Right side mounting section (mounting section) 2P pillar part 2W Mounting allowable left-right width dimensions Dimensions of the left and right sides of the 3W water-stopping panel 3. Lower water-stopping panel 4. Upper water-stopping panel 5, 5A, 5X, 5Y Positioning means 20 Guide receiver 20a Front plate of the guide receiver 20f Outer plate of the guide receiver 21,22 Guide groove 31a~31, 41a~41c Watertight maintenance means 32 Guide 33 Fixation device 33b Engagement body 50,50X Mounting part of positioning means 55 Positioning actuarial piece (interference part) of positioning means 57a Positioning mechanism (interference part) A opening

Claims

1. In a water-stopping device in which rectangular plate-shaped water-stopping panels are attached to mounting parts located on both the left and right sides of an opening, and the water-stopping panels are configured to prevent water from passing through the opening, A water-stopping device in which the left and right length dimension of the water-stopping panel is formed to be smaller than the allowable left and right width dimension of the water-stopping panel between the left and right mounting parts, and the water-stopping panel can be attached to the mounting part even when the center position between the left and right water-stopping panels is shifted to the left or right of the center position between the left and right mounting parts, A water-stopping device characterized in that the water-stopping panel is provided with positioning means on at least one side of the left end and right end, which interferes with the mounting part side to position the mounting position of the water-stopping panel so that the center position between the left and right sides of the water-stopping panel coincides with the center position between the left and right mounting parts.

2. The aforementioned water-stopping panel is a lower water-stopping panel installed at the lowest position of the opening to seal the opening. The lower watertight panel comprises watertight maintenance means provided on the lower end surface, the left and right ends of the rear surface, and the left and right ends of the upper end surface, which are installed on the mounting surface, and mounting means for attaching to the mounting part. The mounting section includes column sections provided on the front of the left and right walls located on the left and right sides of the opening. The water-stopping device according to claim 1, characterized in that when the lower water-stopping panel is attached to the mounting portion via the mounting means, the space between the lower end surface of the lower water-stopping panel and the mounting surface is maintained in a watertight state by the watertight maintenance means, and the left and right ends of the rear surface of the lower water-stopping panel and the front surface of the column portion are maintained in a watertight state by the watertight maintenance means.

3. It is equipped with an upper water-stopping panel that is installed on top of the lower water-stopping panel to seal the opening, The upper water-sealing panel includes a lower end surface that is installed on the upper end surface of the lower water-sealing panel, water-tightness maintenance means provided on the left and right ends of the rear surface, and mounting means for attaching to the mounting part. The water-stopping device according to claim 2, characterized in that when the upper water-stopping panel is installed on the upper end surface of the lower water-stopping panel and attached to the mounting part via mounting means, the space between the lower end surface of the upper water-stopping panel and the upper end surface of the lower water-stopping panel is maintained in a watertight state by watertight maintenance means, and the left and right ends of the rear surface of the upper water-stopping panel and the front surface of the column are maintained in a watertight state by watertight maintenance means.

4. The mounting means for the lower water-stopping panel includes guides provided to protrude from the left and right end faces of the lower water-stopping panel, and fixing devices provided on the left and right end faces of the front surface of the lower water-stopping panel. The mounting section is equipped with a guide receiver on either the left or right end of the front surface of the column. The guide receiving section comprises an outer plate facing the left or right end face of the lower water-stopping panel, a front plate extending laterally from the front end of the outer plate, and a guide receiving groove opening in the front plate. The fixing device includes an engaging body that is movably mounted laterally from the left or right end face of the lower water-stopping panel. The positioning means includes a mounting portion attached to at least one of the left and right ends on the front surface of the lower water-stopping panel, and an interfering portion that interferes so as to be in close proximity to the outer surface of the outer plate of the guide receiving portion. The water-stopping device according to claim 2 or 3, characterized in that the positioning means provided on the lower water-stopping panel interferes with the outer surface of the outer plate of the guide receiver so that it is in close proximity to the outer surface of the outer plate of the guide receiver, and after the guide is inserted into the guide receiver groove, the engaging body of the fixing device moves in a direction toward the guide receiver and engages with the inner surface of the front plate of the guide receiver, thereby attaching the lower water-stopping panel to the mounting portion.