Water stop gate

Abstract

To provide a watertight door that can effectively stop water flow with a simple structure. [Solution] The watertight door 100 comprises a frame 30, a first door body 1, a second door body 2, a meeting stile sealing member 16, and a frame-side sealing member 31. The frame 30 has an annular shape with an opening. The first door body 1 and the second door body 2 are connected to the frame 30. The opening is closed when the second door body 2 is first closed to block the opening, and then the first door body 1 is closed to block the opening. The meeting stile sealing member 16 is positioned on the leading edge side of the second door body 2 and is contactable by the closed first door body 1. The ends 16a on both sides of the meeting stile sealing member 16 are pressed by the first door body 1 when the first door body 1 and the second door body 2 are in the watertight position, contacting the frame-side sealing member 31 and causing the frame-side sealing member 31 to elastically deform.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to a waterstop door.

BACKGROUND ART

[0002] Conventionally, a waterstop door that suppresses water intrusion into buildings and the like is known (see, for example, Japanese Unexamined Patent Application Publication No. 2018-59367).

PRIOR ART DOCUMENTS

PATENT DOCUMENTS

[0003]

PATENT DOCUMENT 1

SUMMARY OF THE INVENTION

PROBLEMS TO BE SOLVED BY THE INVENTION

[0004] In the above-described conventional waterstop door, the structure of the meeting portions that come into contact with each other on the door leading end side of the two door bodies is complicated, and there is room for improvement.

[0005] An object of the present disclosure is to provide a waterstop door capable of performing sufficient water stop with a simple structure.

MEANS FOR SOLVING THE PROBLEMS

[0006] A watertight door according to this disclosure comprises a frame, a first door body, a second door body, a meeting stile sealing member, and a frame-side sealing member. The frame has an annular shape with an opening. The first door body and the second door body are connected to the frame. The first door body and the second door body can open and close the opening. The first door body is rotatably connected to one end of the frame in the left-right direction, with its tail end. The second door body is rotatably connected to the other end of the frame in the left-right direction, with its tail end. The opening is closed by first closing the second door body so as to block the opening, and then closing the first door body so as to block the opening. The meeting stile sealing member is positioned on the leading edge side of the second door body and is contactable by the closed first door body. The frame-side sealing member is installed in the frame so as to surround the opening. The frame-side sealing member is contactable by the closed first and second door bodies. The first and second door bodies are movable between a closed position where the opening is closed and a watertight position where the frame-side sealing member is elastically deformed by being pressed by the first or second door body. When the first and second door bodies are moved to the watertight position, the ends on both sides of the meeting stile sealing member come into contact with the frame-side sealing member when pressed by the first door body, causing the frame-side sealing member to elastically deform. [Effects of the Invention]

[0007] According to the above, a watertight door can be obtained that can effectively stop water flow with a simple structure. [Brief explanation of the drawing]

[0008] [Figure 1] This is a front view of the watertight door according to this embodiment. [Figure 2] This is a rear view of the watertight door according to this embodiment. [Figure 3] This is a schematic cross-sectional view of the line segment III-III in Figure 1. [Figure 4] This is a schematic partial cross-sectional view showing region IV in Figure 3. [Figure 5] Figure 1 is a schematic diagram showing the end portion of the meeting section of the watertight door. [Figure 6] Figure 5 is a schematic diagram illustrating the structure of the end portion of the joining joint. [Figure 7] Figure 5 is a schematic diagram illustrating the structure of the end portion of the joining joint. [Figure 8] Figure 5 is a schematic diagram illustrating the sealing member at the end of the meeting portion. [Figure 9] This is a schematic cross-sectional view of the line segment IX-IX in Figure 1. [Modes for carrying out the invention]

[0009] An embodiment of the present invention will be described below with reference to the drawings, but the scope of the present invention is not limited to the embodiment described herein, and various modifications can be made without departing from the spirit of the invention. Furthermore, if multiple upper and lower limits are given for a particular parameter, any combination of these upper and lower limits can be used to create a suitable numerical range.

[0010] <Overall configuration of the watertight gate> Figure 1 is a front view of the watertight door according to this embodiment. Figure 1 shows the watertight door 100 as seen from the outside. Figure 2 is a rear view of the watertight door according to this embodiment. Figure 2 shows the watertight door 100 as seen from the inside. Figure 3 is a schematic cross-sectional view of the line segment III-III in Figure 1. Figure 4 is a schematic partial cross-sectional view showing region IV in Figure 3. As shown in Figures 1 to 4, the watertight door 100 according to this disclosure is a device installed at the entrance of a building or the like to prevent water from entering the interior of the building. The watertight door 100 mainly comprises a frame 30, a first door body 1, a second door body 2, a meeting stile sealing member 16, and a frame-side sealing member 31.

[0011] The frame 30 has an annular shape with an opening. Specifically, the frame 30 is rectangular in shape. As shown in Figures 1 and 2, the frame 30 mainly consists of an upper frame 3, a lower frame 4, a first vertical frame 5, and a second vertical frame 6. The upper frame 3 is positioned on the upper side in the vertical direction and extends horizontally. The lower frame 4 is positioned on the lower side in the vertical direction and extends horizontally. The upper frame 3 and the lower frame 4 are positioned opposite each other and extend parallel to each other. As shown in Figure 1, the first vertical frame 5 connects one end (left end) of the upper frame 3 to one end (left end) of the lower frame 4, and the first vertical frame 5 extends vertically. The second vertical frame 6 connects the other end (right end) of the upper frame 3 to the other end (right end) of the lower frame 4, and the second vertical frame 6 extends vertically.

[0012] Any material can be used to make up the frame 30, but metals such as steel can be used, for example. The upper frame 3, lower frame 4, first vertical frame 5, and second vertical frame 6 described above may be formed, for example, by machining steel plates such as bending. The upper frame 3, lower frame 4, first vertical frame 5, and second vertical frame 6 can be connected in any way, but they may be connected by welding, for example.

[0013] The first door body 1 and the second door body 2 are connected to the frame 30. The first door body 1 and the second door body 2 are capable of opening and closing. Specifically, as shown in Figure 1, the first door body 1 is rotatably connected at its tail end to the first vertical frame 5, which is one end of the frame 30 in the left-right direction. The first door body 1 is connected to the first vertical frame 5 by a double-axis hinge 11. The second door body 2 is rotatably connected at its tail end to the second vertical frame 6, which is the other end of the frame 30 in the left-right direction. The second door body 2 is connected to the second vertical frame 6 by a double-axis hinge 11.

[0014] The first door panel 1 and the second door panel 2 have handles 8 installed approximately in the center of the vertical direction on the door edge side. Handles 8 are, for example, cremone bolt handles. As shown in Figure 2, the first door panel 1 and the second door panel have multiple roller handles 10 installed on the rear side (indoor side). In Figure 2, the first door panel 1 has two roller handles 10 installed, but the number of roller handles 10 may be three or more, or it may be just one.

[0015] In the first door body 1, the first roller-equipped handle 10 is arranged at a position spaced apart from the lower end on the door tail side. In the first door body 1, the second roller-equipped handle 10 is arranged at a position spaced apart from the lower end on the door leading end side. In the second door body 2, the third roller-equipped handle 10 is arranged at a position spaced apart from the lower end on the door tail side. In the second door body 2, the fourth roller-equipped handle 10 is arranged at the lower end portion on the door leading end side. As such, the plurality of roller-equipped handles 10 (the first, third, and fourth roller-equipped handles 10) are installed on the outer peripheral portion facing the frame body 30 in the region below the vertically central portion of the first door body 1 and the second door body 2. As shown in Figure 2, at positions facing the first, third, and fourth roller-equipped handles 10 on the indoor side of the frame body 30, fixing portions 10 with which the rollers of the respective roller-equipped handles 10 can come into contact are formed. On the indoor-side surface portion of the second door body 2 on the door leading end side, at a position facing the second roller-equipped handle 10 of the first door body 1, a fixing portion 13 with which the roller of the second roller-equipped handle 10 can come into contact is formed.

[0016] As shown in Figure 3, after the second door body 2 is first brought into the closed state so as to block the opening, the first door body 1 is brought into the closed state so as to block the opening, whereby the opening is closed. As shown in Figure 1, the positions of the first door body 1 and the second door body 2 in the state where the first door body 1 and the second door body 2 are arranged so as to close the opening of the frame body 30 are referred to as the closed positions. The first door body 1 and the second door body 2 are moved from the above-described closed positions in the direction further toward the frame body 30 (the direction from the outdoor side toward the indoor side) and pressed against the frame body 30 by operating the above-described roller-equipped handles 10 and the rod pins 9 (see Figure 9) to be described later. The positions of the first door body 1 and the second door body 2 in the state of being pressed against the frame body 30 in this manner are referred to as the water stop positions.

[0017] As shown in Figure 3 and Figure 4, a frame-side sealing member 31 is installed on the frame body 30. The frame-side sealing member 31 is installed on the frame body 30 so as to surround the opening. The frame-side sealing member 31 can be brought into contact with the first door body 1 and the second door body 2 which are in the closed state. Specifically, the frame-side sealing member 31 includes a first packing 15 and a second packing 14. The first packing 15 surrounds the opening of the frame body 30. The second packing 14 is located outside the first packing 15 and surrounds the opening. As shown in Figure 3, the frame body 30 is formed with two annular recesses for inserting the first packing 15 and the second packing 14. The two annular recesses are formed at a distance from each other. For this reason, the first packing 15 and the second packing 14 are arranged at a distance from each other.

[0018] As the first packing 15, a packing of any configuration can be adopted. For example, as the first packing 15, a single-layer packing, a packing having a multilayer structure, a packing having a hollow portion, or the like can be used. In addition, any material can be used as the material constituting the first packing 15, and for example, a resin material such as synthetic rubber can be used. As the material, a foam made of a mixture of EPDM (Ethylene Propylene Diene Monomer) and butyl rubber may be used. Further, when the first packing 15 has a multilayer structure, different materials may be used for the respective layers. For example, the first layer including the portion fixed to the frame body 30 in the first packing 15 may be made of EPDM, and the other layers may be made of a material different from EPDM. Further, as the first packing 15, a laminated body in which a plurality of sealing packings are laminated may be used.

[0019] The second packing 14 can be any packing configuration. For example, the second packing 14 can be a single-layer packing, a multi-layer packing, or a packing with a hollow portion. Furthermore, any material can be used to constitute the second packing 14, but for example, a resin material such as synthetic rubber can be used. The second packing 14 may also be a structure having a base portion made of synthetic rubber and an annular sponge portion with a hollow portion. The materials constituting the base portion and the sponge portion may be, for example, EPDM, but other resin materials may also be used. When the second packing 14 has a multi-layer structure, different materials may be used for each layer. For example, the first layer of the second packing 14, including the portion fixed to the frame 30, may be made of EPDM, while the other layers may be made of materials different from EPDM.

[0020] The first packing 15 installed on the first vertical frame 5 or the second vertical frame 6 of the frame 30 contacts the indoor surface on the tail end side of the first door body 1 and the second door body 2, as shown in Figures 3 and 4. In addition, the first packing 15 installed on the upper frame 3 and the lower frame 4 of the door body 30 contacts the indoor surface of the upper or lower end of the first door body 1 and the second door body 2. For this reason, the surface shape of the first packing 15 facing the first door body 1 or the second door body may be flat. The surface shape of the second packing 14 facing the first door body 1 or the second door body 2 may be a curved surface that is convex toward the outdoor side.

[0021] As shown in Figures 3 and 4, the first door body 1 and the second door body 2 include projections 18 formed at a position facing the second packing 14 when the first door body 1 and the second door body 2 are in the closed or watertight position. In other words, the projections 18 are formed on the outer edges of the first door body 1 and the second door body 2, excluding the door-edge portion (the side that becomes the meeting stile), and on the outer periphery facing the frame 30 (the outer periphery in the closed position). From a different perspective, the projections 18 are formed to be annular in shape so as to contact the second packing 14 when the first door body 1 and the second door body 2 are in the closed position.

[0022] The projection 18 protrudes inward from the indoor surface of the first door body 1 and the second door body 2. When the first door body 1 and the second door body 2 are in the closed position, in a cross-section along the direction from the outdoor side to the indoor side, passing through the center of the opening in the frame 30, the width of the projection 18 narrows as it approaches the indoor side (the second packing 14 side). In other words, in a cross-section in a direction perpendicular to the extension direction of the projection 18, the cross-sectional shape of the projection 18 is triangular. Note that the cross-sectional shape of the projection 18 may be any other arbitrary shape. As described later, when the first door body 1 and the second door body 2 are moved to the watertight position, the projection 18 comes into contact with the second packing 14 and elastically deforms the second packing 14. As a result, the airtightness and watertightness of the second packing 14 can be improved.

[0023] A meeting stile sealing member 16 is positioned on the leading edge side of the second door body 2. Specifically, as shown in Figure 3, a recess with an opening on the outdoor side is formed on the indoor side of the leading edge side of the second door body 2. This recess extends vertically on the leading edge side of the second door body. The meeting stile sealing member 16 is inserted into the recess. As shown in Figure 3, in a cross-sectional view along the horizontal direction, at least a portion of the meeting stile sealing member 16 is positioned to protrude inward from the indoor surface of the second door body 2. The cross-sectional shape of the meeting stile sealing member 16 can be any shape, but for example, it is rectangular. The detailed configuration of the meeting stile sealing member 16 will be described later. The first door body 1, in its closed state, is in contact with the outdoor surface of the meeting stile sealing member 16. Specifically, the end of the indoor surface on the leading edge side of the first door body 1, in its closed state, is in contact with the outdoor surface of the meeting stile sealing member 16.

[0024] Furthermore, a recess is formed on the outdoor side of the door edge of the second door body 2. This recess extends in the vertical direction. The third packing 23 is positioned in this recess. The third packing 23 extends in the vertical direction. As shown in Figure 3, a projection 1a is formed on the outdoor end of the door edge of the first door body 1. The projection 1a protrudes from the end face of the door edge of the first door body 1 and is connected to the outdoor surface of the first door body 1. The projection 1a is formed to extend in the vertical direction. When the first door body 1 is in the closed state, the projection 1a of the first door body 1 is in contact with the third packing 23 over its entire length in the vertical direction.

[0025] As shown in Figures 3 and 4, a resin layer 20 is tightly fixed to the end faces (edges) of the first door body 1 and the second door body 2. A metal plate 19 is also placed on the surface of the resin layer 20. In this way, the intrusion of water into the interior of the first door body 1 and the second door body 2 is suppressed. A butyl sheet can be used as the resin layer 20. Any other material can be used to make up the resin layer 20. A stainless steel plate can be used as the metal plate 19. Any other metal material can be used to make up the metal plate 19. The resin layer 20 and the metal plate 19 are formed to cover the entire end faces of the first door body 1 and the second door body 2. The resin layer 20 and the metal plate 19 may also be formed to cover at least the outer peripheral end faces of the first door body 1 and the second door body 2 that face the second packing 14 when the first door body 1 and the second door body 2 are moved to the closed position or water-stopping position.

[0026] The metal plate 19 is connected to the projection 18. In other words, the projection 18 is formed by machining the end of the metal plate 19. A sealing member 22 is placed at the connection point of the projection 18 between the central end of the first door body 1 or the second door body 2 and the indoor surface of the first door body 1 or the second door body 2. The sealing member 22 is formed in an annular shape along the projection 18 so as to surround the opening of the frame body 30. The sealing member 22 prevents water from entering the interior of the projection 18 from the connection point.

[0027] <Composition of the meeting area> Figure 5 is a schematic diagram showing the end of the meeting section of the watertight door shown in Figure 1. Figures 6 and 7 are schematic diagrams illustrating the structure of the end of the meeting section shown in Figure 5. Figure 8 is a schematic diagram illustrating the meeting sealing member of the end of the meeting section shown in Figure 5. Although Figures 5 to 8 illustrate the structure of the lower end of the meeting sealing member 16, the structure of the upper end of the meeting sealing member 16 is the same as that of the lower end.

[0028] As shown in Figures 5 to 7, at the end of the meeting joint, the end 16a of the meeting joint sealing member 16 is in contact with the first packing 15. Any flexible and elastic material can be used as the meeting joint sealing member 16. For example, the meeting joint sealing member 16 can be a single-layer material or a multi-layer material. Any material can be used to constitute the meeting joint sealing member 16, but for example, a resin material such as synthetic rubber can be used. A foam made of a mixture of EPDM and butyl rubber may be used as the material. If the meeting joint sealing member 16 has a multi-layer structure, for example, a laminate made by laminating sealing packings may be used. Different materials may be used for each layer constituting the laminate. For example, in the meeting joint sealing member 16, the first layer including the part fixed to the door edge side of the second door body 2 may be made of EPDM, and the other layers may be made of a material different from the material of the first layer.

[0029] The thickness T1 of the end portion 16a of the meeting stile sealing member 16 is smaller than the thickness of the other parts of the meeting stile sealing member 16. The shape of the end portion 16a is plate-like. Because the thickness T1 of the end portion 16a is thinner than the thickness of the other parts, when the first door body 1 and the second door body 2 are moved to the watertight position, the end portion 16a is pressed by the first door body 1 and can easily deform along the surface of the first packing 15. This improves the adhesion between the end portion 16a and the first packing 15. As a result, the watertight performance at the meeting stile can be improved.

[0030] The width W1 of the end portion 16a is the same as the width of the other portion of the meeting stile sealing member 16. However, the width W1 of the end portion 16a may be wider than the width of the other portion. The meeting stile sealing member 16 includes a protrusion 16b adjacent to the end portion 16a. The protrusion 16b is located at a distance L1 from the tip of the end portion 16a. The thickness T2 of the protrusion 16b is greater than the thickness T1 of the end portion 16a. The sum of the thickness T1 of the end portion 16a and the thickness T2 of the protrusion 16b is less than the maximum thickness of the meeting stile sealing member 16. Therefore, as shown in Figure 6, a space is formed on the indoor side of the protrusion 16b. The thickness T3 of the portion of the meeting stile sealing member 16 located above this space (the width of the space located on the indoor side of the protrusion 16b) is greater than the thickness T1 of the end portion 16a and less than the thickness T2 of the protrusion 16b.

[0031] The length L1 of the end portion 16a is greater than the length L2 of the protrusion 16b. Preferably, the length L1 of the end portion 16a is approximately the same as the width W2 of the first packing 15, as shown in Figure 6. In this case, the entire surface of the end portion 16a can contact the surface of the first packing 15, thereby improving the water-sealing performance. The length L1 of the end portion 16a may be greater than the width W2 of the first packing 15. Furthermore, it is preferable that the lower end of the indoor-facing surface of the protrusion 16b contacts the edge that defines the opening of the frame 30. In Figure 6, the opening end (the end facing the outdoor side) of the groove in the frame 30 where the first packing 15 is placed is in contact with the protrusion 16b of the meeting stile sealing member 16. In this case, the contact between the meeting stile sealing member 16 and the edge of the frame 30 improves the water-sealing performance of the water-sealing door 100.

[0032] The width W1 of the meeting seal member 16 is preferably greater than the width W2 of the first packing 15. In this case, the contact area between the first packing 15 and the end 16a of the meeting seal member 16 can be increased, thereby improving the watertight performance.

[0033] The meeting seal member 16 may be formed by joining multiple elastic bodies. For example, the meeting seal member 16 may be formed by laminating strip-shaped resin sheets. Alternatively, the meeting seal member 16 may be formed by machining, such as cutting, a rectangular prism-shaped resin member.

[0034] <Configuration of the upper end of the watertight gate> Figure 9 is a schematic cross-sectional view of the line segment IX-IX in Figure 1. As shown in Figure 9, the watertight door 100 further includes a rod pin 9. The rod pin 9 is installed in the second door body 2. The rod pin 9 is movable upward and backward from the upper end of the second door body 2. A recess 12 into which the rod pin 9 can be inserted is formed in the frame 30 at a position opposite to the rod pin 9. The internal shapes of the rod pin 9 and the recess 12 are defined such that when the rod pin 9 is inserted into the recess 12, the second door body 2 moves relative to the frame 30 towards the indoor side. For example, the outer surface of the part of the inner wall of the recess 12 that contacts the rod pin 9 may be inclined so that it is located towards the indoor side as it moves towards the back (upper) side of the recess 12. Another rod pin with the same configuration as the rod pin 9 described above is also installed in the first door body 1. A recess into which another rod pin can be inserted is formed in the frame 30 at a position opposite to the other rod pin. The recess has the same configuration as the recess 12 described above.

[0035] The rod pin 9 can be operated in any way. For example, the operation of the rod pin 9 may be linked to the operation of the roller-equipped handle 10. Alternatively, a separate handle may be provided for moving the rod pin 9 forward and backward.

[0036] In the aforementioned watertight door 100, watertight packing 21 (see Figure 9) is installed in the areas where components such as the roller-equipped handle 10, handle 8, and double-axis hinge 11 are attached. By installing such watertight packing 21, water ingress from the mounting locations of the above components is suppressed.

[0037] <How to operate the water-stopping gate> The watertight door 100 shown in Figures 1 to 9 is operated as follows. First, the second door body 2 is moved to the closed position so as to close the opening in the frame 30. Next, the first door body 1 is moved to the closed position so as to close the opening in the frame 30. As a result, the opening in the frame 30 is closed by the first door body 1 and the second door body 2, as shown in Figure 3. Next, the handle with rollers 10 is rotated so that the rollers of the handle with rollers 10 come into contact with the fixing part 13. Furthermore, the rod pin 9 is moved upward and inserted into the recess 12. As a result, the first door body 1 and the second door body 2 move relative to the frame 30 toward the indoor side. In this way, the first door body 1 and the second door body 2 are moved to the watertight position.

[0038] When the first door body 1 and the second door body 2 are moved to the watertight position, the frame-side sealing member 31 is elastically deformed by being pressed by the first door body 1 or the second door body 2. In other words, a portion of the opening-side surface of the first door body 1 and the second door body 2 (the edge on the indoor side facing the frame body 30) comes into contact with the first packing 15 and causes the first packing 15 to elastically deform. Furthermore, both ends 16a of the meeting stile sealing member 16 are pressed from the outdoor side by the first door body 1. As a result, these ends 16a come into contact with the first packing 15, which is the frame-side sealing member 31, and cause the frame-side sealing member 31 to elastically deform (see Figures 3 and 5). Furthermore, the meeting stile sealing member 16 is elastically deformed by coming into contact with the door edge portion of the first door body 1 from the outdoor side.

[0039] Furthermore, at this time, the projections 18 formed on the outer circumference of the first door body 1 and the second door body 2 come into contact with the second packing 14, which is the frame-side sealing member 31, and elastically deform the second packing 14 (see Figure 9). In addition, in parts other than the meeting stile, the outdoor surface of the first packing 15 comes into contact with the outer edge of the indoor surface of the first door body 1 and the second door body 2, causing the first packing 15 to elastically deform. In this way, by moving the first door body 1 and the second door body 2 to the watertight position, watertight sealing can be achieved in the watertight door 100.

[0040] Furthermore, in the aforementioned watertight door 100, multiple roller-equipped handles 10 are positioned on the lower side in the vertical direction, and these roller-equipped handles move the first door body 1 and the second door body 2 to the watertight position. Therefore, watertight sealing can be reliably achieved, especially on the lower side in the vertical direction.

[0041] <effect> A watertight door 100 according to this disclosure comprises a frame 30, a first door body 1, a second door body 2, a meeting stile sealing member 16, and a frame-side sealing member 31. The frame 30 has an annular shape with an opening. The first door body 1 and the second door body 2 are connected to the frame 30. The first door body 1 and the second door body 2 can open and close the opening. The first door body 1 is rotatably connected to one end of the frame 30 in the left-right direction, with its tail end. The second door body 2 is rotatably connected to the other end of the frame 30 in the left-right direction, with its tail end. The opening is closed by first closing the second door body 2 so as to block the opening, and then closing the first door body 1 so as to block the opening. The meeting stile sealing member 16 is positioned on the leading edge side of the second door body 2 and is contactable by the closed first door body 1. The frame-side sealing member 31 is installed in the frame 30 so as to surround the opening. The frame-side sealing member 31 is contactable by the first door body 1 and the second door body 2 when they are in the closed position. The first door body 1 and the second door body 2 are movable between a closed position where the opening is closed and a watertight position where the frame-side sealing member 31 is elastically deformed by being pressed by the first door body 1 or the second door body 2. The ends 16a on both sides of the meeting stile sealing member 16 are pressed by the first door body 1 when the first door body 1 and the second door body 2 are in the watertight position, contacting the frame-side sealing member 31 and causing the frame-side sealing member 31 to elastically deform.

[0042] In this way, when the first door body 1 and the second door body 2 are moved to the watertight position, the ends 16a on both sides of the meeting stile sealing member 16 come into close contact with the frame-side sealing member 31 in such a way that they deform the frame-side sealing member 31, thus enabling sufficient watertight sealing at the ends of the meeting stile sealing member 16. Therefore, a watertight door 100 can be obtained that has a relatively simple structure and can provide sufficient watertight sealing.

[0043] In the above-described watertight door 100, the frame-side sealing member 31 includes a first packing 15 and a second packing 14. The first packing 15 surrounds the opening. The second packing 14 is located outside the first packing 15 and surrounds the opening. When the first door body 1 and the second door body 2 are moved to the watertight position, a portion of the opening-side surface of the first door body 1 and the second door body 2, and the ends 16a on both sides of the meeting sealing member 16, come into contact with the first packing 15 and cause the first packing 15 to elastically deform.

[0044] In this case, with the first door body 1 and the second door body 2 moved to the watertight position, a portion of the opening side surface of the first door body 1 and the second door body 2, and the ends 16a on both sides of the meeting stile sealing member 16, come into close contact with the first packing 15, deforming it. As a result, the first door body 1, the second door body 2, and the ends 16a on both sides of the meeting stile sealing member 16 come into close contact with the first packing 15, enabling watertight sealing.

[0045] In the above-described watertight door 100, the first door body 1 and the second door body 2 include projections 18 formed at positions facing the second packing 14 when the first door body 1 and the second door body 2 are moved to the watertight position. When the first door body 1 and the second door body 2 are moved to the watertight position, the projections 18 come into contact with the second packing 14 and cause the second packing 14 to elastically deform.

[0046] In this case, with the first door body 1 and the second door body 2 in the watertight position, the projections 18 of the first door body 1 and the second door body 2 make close contact with the second packing 14, deforming it. As a result, the projections 18 of the first door body 1 and the second door body 2 make close contact with the second packing 14, enabling watertight sealing.

[0047] In the above-described watertight door 100, the first door body 1 and the second door body 2 include a resin layer 20 and a metal plate 19. The resin layer 20 covers the outer peripheral end surfaces of the first door body 1 and the second door body 2 that face the second packing 14 when the first door body 1 and the second door body 2 are moved to the watertight position. The metal plate 19 covers the resin layer 20. The metal plate 19 is connected to the projection 18.

[0048] In this case, since the outer peripheral end surfaces of the first door body 1 and the second door body 2 are covered with the resin layer 20 and the metal plate 19, it is possible to prevent water from entering the interior of the first door body 1 and the second door body 2 from the outer peripheral end surface side.

[0049] The watertight door 100 comprises a plurality of roller-equipped handles 10 and a rod pin 9. The plurality of roller-equipped handles 10 are installed on the outer periphery of the first door body 1 and the second door body 2 in a region below the center in the vertical direction, facing the frame body 30. A fixing portion 13 is formed in the frame body 30 at a position facing the roller-equipped handles 10, to which the rollers of the roller-equipped handles 10 can make contact. The rod pin 9 is movable upward and backward from the upper end of the first door body 1 or the second door body 2. A recess 12 is formed in the frame body 30 at a position facing the rod pin 9, into which the rod pin 9 can be inserted. When the rollers of the roller-equipped handles 10 make contact with the fixing portion 13 and the rod pin 9 is inserted into the recess 12, the first door body 1 and the second door body 2 are moved to the watertight position.

[0050] In this case, in the area below the vertical center of the watertight door 100, the roller-equipped handle 10 moves the first door body 1 and the second door body 2 to the watertight position, thereby pressing the lower of the ends 16a on both sides of the meeting stile sealing member 16 against the frame-side sealing member 31, thereby stopping the flow of water. In addition, in the area above the vertical center of the watertight door 100, the rod pin 9 moves the first door body 1 and the second door body 2 to the watertight position, thereby pressing the upper of the ends 16a on both sides of the meeting stile sealing member 16 against the frame-side sealing member 31, thereby stopping the flow of water.

[0051] The embodiments disclosed herein should be considered in all respects to be illustrative and not restrictive. The basic scope of this disclosure is indicated by the claims rather than the foregoing description and is intended to include all modifications in the sense and scope equivalent to the claims. [Explanation of symbols]

[0052] 1 First door body, 1a protruding part, 2 Second door body, 3 Upper frame, 4 Lower frame, 5 First vertical frame, 6 Second vertical frame, 8 Handle, 9 Rod pin, 10 Handle with roller, 11 Double-axis hinge, 12 Recess, 13 Fixing part, 14 Second packing, 15 First packing, 16 Meeting stile sealing member, 16a End part, 16b Protrusion, 18 Projection, 19 Metal plate, 20 Resin layer, 21 Watertight packing, 22 Seal member, 23 Third packing, 30 Frame body, 31 Frame side sealing member, 100 Watertight door.

Claims

1. An annular frame having an opening, The frame comprises a first door body and a second door body connected to the opening so as to be able to open and close, The first door body is rotatably connected to one end of the frame body in the left-right direction, The second door body is rotatably connected to the other end of the frame body in the left-right direction, The second door body is first closed to block the opening, and then the first door body is closed to block the opening, thereby closing the opening, and further, A meeting stile sealing member is positioned on the door edge side of the second door body and is in contact with the first door body when it is in the closed state, The frame comprises a frame-side sealing member installed so as to surround the opening, and to which the first door and the second door, when in the closed state, can make contact. The first door body and the second door body are movable between a closed position in which the opening is closed and a watertight position in which the frame-side sealing member is elastically deformed by being pressed by the first door body or the second door body. A watertight door in which both ends of the aforementioned meeting stile sealing member are pressed by the first door body when the first door body and the second door body are moved to the watertight position, thereby contacting the frame-side sealing member and causing the frame-side sealing member to elastically deform.

2. The aforementioned frame-side sealing member is A first packing surrounding the aforementioned opening, The first packing is located outside the second packing and surrounds the opening, The watertight door according to claim 1, wherein, when the first door body and the second door body are moved to the watertight position, a portion of the opening side surface of the first door body and the second door body and the ends on both sides of the meeting stile sealing member come into contact with the first packing and cause the first packing to elastically deform.

3. The first door body and the second door body include projections formed at positions facing the second packing when the first door body and the second door body are moved to the watertight position. The watertight door according to claim 2, wherein when the first door body and the second door body are moved to the watertight position, the projection contacts the second packing and causes the second packing to elastically deform.

4. The first door and the second door are With the first door body and the second door body moved to the watertight position, a resin layer covers the outer peripheral end surfaces of the first door body and the second door body that face the second packing, The resin layer includes a metal plate covering the resin layer, The water-stopping door according to claim 3, wherein the metal plate is connected to the projection.

5. The first door body and the second door body are provided with a plurality of roller-equipped handles installed on the outer periphery in a region below the central part in the vertical direction, facing the frame body, In the frame, a fixing portion is formed at a position opposite the handle with rollers, to which the rollers of the handle with rollers can make contact, and further, The first door body or the second door body is equipped with a rod pin that can move upward and backward from the upper end, In the frame, a recess is formed at a position opposite to the rod pin into which the rod pin can be inserted. The watertight door according to any one of claims 1 to 4, wherein the roller of the handle with roller contacts the fixed portion and the rod pin is inserted into the recess, thereby moving the first door body and the second door body to the watertight position.

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