JP6101173B2 - Watertight structure of waterproof door - Google Patents

Description

  The present invention relates to a watertight structure of a waterproof door that closes an entrance so that water does not enter a building or an underground structure during heavy rain or flood.

  Conventionally, as a waterproof door that closes the entrance and exit so that water does not enter the building or underground structure, it is a manual waterproof door device, and the waterproof door is stored in a horizontal state in the storage part provided on the floor of the entrance and exit In addition, the waterproof door is configured so as to close the doorway by rotating and standing up, and the waterproof door has a rotating arm with a restoring force that pushes up the back side of the waterproof door at the tip of the arm. There has been proposed a configuration in which a plurality of rotation arms are provided so as to provide a difference in restoring force between the plurality of rotation arms (see, for example, Patent Document 1).

JP 2011-140786 A

  However, in the conventional waterproof door structure described above, in order to close the doorway by turning the waterproof door into an upright state, a storage portion having a size corresponding to the size of the waterproof door must be provided on the floor surface. In addition, not only is it necessary to perform a large-scale construction, but there is a problem that it is difficult to install in a place where space is limited.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a watertight structure of a waterproof door that has a simple configuration and is less susceptible to construction space restrictions.

  The watertight structure of the waterproof door according to claim 1 of the present invention includes a waterproof door in which one side portion is supported so as to be openable and closable on at least one side of the left and right side frames of the doorway of the structure. A watertight structure of a waterproof door that presses against the side frame to close the entrance and secure water tightness, and the floor connecting the left and right side frames is recessed to form a storage section with a lid plate in the upper opening. Is formed in correspondence with the waterproof door and the storage portion along the longitudinal direction, and is provided with a watertight means that comes into close contact with the waterproof door and the storage portion in a displaceable manner to ensure the watertightness of the waterproof door. Open the lid, displace the watertight means, close the waterproof door, and place one seal part along the longitudinal direction of the watertight means at the bottom of the waterproof door and make one seal part of the watertight means different from the length The other seal part provided along the direction to the storage part It is contact and is characterized by being configured to hold the watertight between the waterproof door and compartment.

In the watertight structure of the waterproof door according to claim 1 of the present invention, the waterproof door having one side portion supported on at least one side of the right and left side frames of the doorway of the structure so as to be openable and closable is provided. A watertight structure of a waterproof door that presses against the side frame to close the entrance and secure water tightness, and the floor connecting the left and right side frames is recessed to form a storage section with a lid plate in the upper opening. Is formed in correspondence with the waterproof door and the storage portion along the longitudinal direction, and is provided with a watertight means that comes into close contact with the waterproof door and the storage portion in a displaceable manner to ensure the watertightness of the waterproof door. Open the lid, displace the watertight means, close the waterproof door, and place one seal part along the longitudinal direction of the watertight means at the bottom of the waterproof door and make one seal part of the watertight means different from the length The other seal part along the direction to the storage part. When the waterproof door is closed and the watertightness is secured by closing the waterproof door and disposing the watertight means, the watertight means is closed when the waterproof door is closed. One seal part is pressed against the lower part of the waterproof door and the other seal part is pressed against the storage part, respectively, so that watertightness between the waterproof door and the storage part is maintained.

The watertight structure of the waterproof door according to claim 2 of the present invention comprises a door stopper plate in which the watertight means is swingably attached to the storage portion and the upper end when standing is located above the lower end of the waterproof door. on the surface facing the waterproof door doorstop plate, one of the sealing portions abutting the bottom of the raised elevation during waterproof doors, the different sites doorstop plate abutting the other of the seal to the inner surface of the upright stowed portion Each part is provided.

  The watertight structure of the waterproof door according to claim 3 of the present invention is connected to a side groove formed on the floor having sidewalls on the inner and outer sides at both ends in the left-right direction of the storage portion, A side groove receiving portion in which the front side in the longitudinal direction of the inner wall is avoided to avoid interference is formed, and a groove portion communicating with the floor side groove is formed on the upper surface of the side groove receiving portion, and the side groove receiving portion is closed to store. A side groove receiving cover that prevents water leakage to the door is detachably provided, and the door stop plate is composed of a double plate rocking plate body, and the rocking plate body is retracted while avoiding interference with the side groove receiving portion at both ends. The front and rear plates are made to have different lengths in the left-right direction, the rear plate on the rising side is made longer, and the front plate on the side in the horizontal direction is made shorter. The seal part that is inserted into the groove receiving part and continuous with each seal part of the swing plate body It is characterized in being configured with a first pledged plate for.

  The watertight structure of the waterproof door according to claim 4 of the present invention is characterized in that the waterproof door is provided with a lock device that presses and locks the door against the door stop plate and each frame side in the closed position. is there.

  In the watertight structure of the waterproof door according to claim 5 of the present invention, the storage portion is provided with a part of the lock device, and the door stop plate is a swing plate facing a part of the lock device provided in the storage portion. A notch is formed in the upper part of the body to avoid interference with a part of the locking device when lying down, and the notch surfaces of the front and rear plates are made different in size before the notch surface of the rear plate. A second insertion having a seal portion which is formed by enlarging the cut-out surface of the plate and is inserted into the cut-out portion of the rocking plate body when standing, and has a seal portion continuous with one seal portion of the rocking plate body when inserted. It is characterized by comprising a plate.

  The watertight structure of the waterproof door according to claim 6 of the present invention is such that the waterproof door having one side part supported on at least one side of the right and left side frames of the doorway of the structure so as to be freely opened and closed, A watertight structure of a waterproof door that presses against the side frame to close the entrance and secure water tightness, and the floor connecting the left and right side frames is recessed to form a storage section with a lid plate in the upper opening. In addition to forming a groove formed corresponding to the waterproof door along the longitudinal direction, an insertion plate having a sealing member disposed along the longitudinal direction on one surface and the other surface can be taken in and out of the groove When securing the watertightness of the waterproof door, the lid plate is opened and the lower part of the insertion plate is fitted into the groove to close the waterproof door, with one seal member serving as the waterproof door and the other seal member serving as the inner surface of the storage unit. It is specially configured to be in pressure contact with each other. It is an.

  In the watertight structure of the waterproof door according to claim 6 of the present invention, the waterproof door having one side portion supported on at least one of the left and right side frames of the doorway of the structure so as to be openable and closable. A watertight structure of a waterproof door that presses against the side frame to close the entrance and secure water tightness, and the floor connecting the left and right side frames is recessed to form a storage section with a lid plate in the upper opening. In addition to forming a groove formed corresponding to the waterproof door along the longitudinal direction, an insertion plate having a sealing member disposed along the longitudinal direction on one surface and the other surface can be taken in and out of the groove When securing the watertightness of the waterproof door, the lid plate is opened and the lower part of the insertion plate is fitted into the groove to close the waterproof door, with one seal member serving as the waterproof door and the other seal member serving as the inner surface of the storage unit. That they are configured to be pressed against each other. When closing the waterproof door to ensure watertightness, open the cover plate, insert the insert plate into the groove, close the waterproof door, and one seal member is in the lower part of the waterproof door and the other seal member is in the storage part. Each is in pressure contact, and watertightness between the waterproof door and the storage portion is maintained.

  The watertight structure of the waterproof door according to claim 1 of the present invention includes a waterproof door in which one side portion is supported so as to be openable and closable on at least one side of the left and right side frames of the doorway of the structure. A watertight structure of a waterproof door that presses against the side frame to close the entrance and secure water tightness, and the floor connecting the left and right side frames is recessed to form a storage section with a lid plate in the upper opening. Is formed in correspondence with the waterproof door and the storage portion along the longitudinal direction, and is provided with a watertight means that comes into close contact with the waterproof door and the storage portion in a displaceable manner to ensure the watertightness of the waterproof door. Open the lid, displace the watertight means, close the waterproof door, and place one seal part along the longitudinal direction of the watertight means at the bottom of the waterproof door and make one seal part of the watertight means different from the length The other seal part provided along the direction to the storage part Because it is configured to maintain the watertightness between the waterproof door and the storage section, it improves workability, is less susceptible to construction space constraints, and improves the efficiency of closing work, while simplifying the structure and reducing costs There is an effect of going down.

  The watertight structure of the waterproof door according to claim 6 of the present invention includes a waterproof door in which one side portion is supported to be openable and closable on at least one of the left and right side frames of the doorway of the structure. The watertight structure of a waterproof door that presses against the left and right side frames to close the entrance and secure water tightness, and the floor connecting the left and right side frames is recessed to form a storage part with a lid plate in the upper opening. In the storage portion, a groove formed in the longitudinal direction corresponding to the waterproof door is formed, and an insertion plate having a seal member disposed along the longitudinal direction on one surface and the other surface is formed in the groove. Opening and closing the lid to open and close the waterproof door to fit the lower part of the insertion plate into the groove, and close the waterproof door. It was configured to press the inner surface of each , Less susceptible to the limitations of construction space to improve the workability, yet with streamlining occlusions is effective to reduce the cost by simplifying the structure.

FIG. 1 is a partially broken plan view showing a watertight structure of a waterproof door according to a first embodiment of the present invention, and shows a state in which the waterproof door is opened. (Example 1) FIG. 2 is a plan view showing a state where the waterproof door of FIG. 1 is closed. FIG. 3 is a partially broken front view showing a state where the waterproof door of FIG. 1 is closed. 4 is a cross-sectional view taken along line IV-IV in FIG. FIG. 5 is a cross-sectional view of the main part when the waterproof door of FIG. 1 is closed. FIG. 6 is an explanatory view of the standing door stop plate of FIG. 5 as viewed from above. FIG. 7 is an explanatory view when the door-stop plate in the standing state of FIG. (A) thru | or (D) of FIG. 8 is explanatory drawing which shows the perspective view of the principal part of the watertight structure of a waterproof door, respectively. 9A to 9C are respectively a plan view of a main part of the storage unit showing a state in which the door stop plate is stored in the storage unit, and a main part plan view of the storage unit showing a state in which the door stop plate is raised. It is a partially broken front view of a storage part which shows the state where a door stop board stood up. (A) in FIG. 10, (B) are a plan view of a main part showing a second state in which inserting the pledged plate door stop plate upright and side views, in FIG. 10 (C), (D) These are explanatory drawing which shows the state which accommodated the 2nd insertion board in the accommodating part, and sectional drawing which shows the state inserted in the door-stop board in the standing state, respectively. (A) in FIG. 11, (B) are a plan view and a side view of an essential part showing a first state of inserting the pledged plate door stop plate standing state, in FIG. 11 (C), (D) These are explanatory drawing which shows the state which accommodated the 1st insertion board in the accommodating part, and sectional drawing which shows the state inserted in the door-stop board of the standing state, respectively. (A) thru | or (C) of FIG. 12 is the top view, side view, and front view which respectively show the side groove receiving cover arrange | positioned at a side groove receiving part. (A) thru | or (C) of FIG. 13 is explanatory drawing which shows the watertight structure of the waterproof door which concerns on 2nd Example of this invention, respectively, (A) is a top view which shows the state in which a door stop plate is laid down, B is a plan view showing the standing state of the door stop plate, and (C) is a front view showing a state in which the waterproof door is closed and in close contact with the door stop plate. (Example 2) 14 is a cross-sectional view showing the main part of the watertight structure of the waterproof door of FIG. 15 is a cross-sectional view taken along line XV-XV in FIG. 16 is a cross-sectional view taken along line XVI-XVI in FIG. (A) thru | or (D) of FIG. 17 is explanatory drawing which shows the perspective view of the principal part of the watertight structure of the waterproof door of FIG. 13, respectively. (A) in FIG. 18, (B) are cross-sectional view and a partially cutaway perspective view showing a watertight waterproof door according to a third embodiment of the present invention. (Example 3)

  Waterproof door with one side openable on at least one of the left and right side frames of the doorway of the structure for the purpose of simplifying the watertight structure of the waterproof door and realizing a structure that is not subject to construction space restrictions Is a watertight structure of a waterproof door that presses against the upper and left and right side frames of the doorway to close the doorway and secures watertightness, and the floor that connects the left and right side frames is recessed and the upper opening has a cover plate A watertight means is formed in the storage portion corresponding to the waterproof door and the storage portion along the longitudinal direction so as to be in close contact with the waterproof door and the storage portion. When securing the watertightness of the door, the lid is opened to displace the watertight means to close the waterproof door, and one seal portion provided along the longitudinal direction of the watertight means is placed below the waterproof door and one of the watertight means is closed. Provided along the longitudinal direction with different seal parts The other seal part is pressed against the storage part to maintain the watertightness between the waterproof door and the storage part, and the watertight means is swingably attached to the storage part, and the upper end when standing is waterproof. The door stop plate is located above the lower end of the door. The door stop plate is provided with a seal portion on the surface of the door stop plate that faces the waterproof door. This is realized by providing the other seal portions in contact with the inner surface of the storage portion at the time of standing at different portions.

  Hereinafter, the present invention will be described with reference to embodiments shown in the drawings. The watertight structure 2 of the waterproof door according to the first embodiment of the present invention is provided at the entrance / exit 4 of the passage (or facility) F of the underground structure as shown in FIGS. In the doorway 4, left and right side frames 5 A and 5 B and an upper frame 5 C are respectively provided on the concrete wall and ceiling, and one side of the waterproof door 6 is opened and closed by a biaxial hinge 7 on one side frame 5 A. Supported and supported. One side frame 5A is formed in an L-shaped cross section, and an elastic seal member (not shown) is attached to at least one of the inner surfaces facing the waterproof door 6. A seal member (not shown) is attached to a portion facing the waterproof door 6 also on the other side frame 5B and the upper frame 5C. When the waterproof door 6 is closed and comes into contact with the frames 5A to 5C, the portion that comes into contact with the frames 5A to 5C is brought into close contact with a seal member (not shown), while a gap between the lower end surface and the floor surface F is formed. Is to be secured.

  By the way, in the watertight structure 2 of the waterproof door according to the present embodiment, the floor connecting the left and right side frames 5A and 5B is recessed, and a metal casing is fitted and fixed in the recessed portion to form the storage portion 10. . A cover plate 11 is attached to the upper opening of the storage portion 10 through a rubber hinge 11A so as to be opened and closed. The cover plate 11 ensures the same level as the floor surface. For this reason, when the waterproof door 6 is closed, a slit is formed between the lower end surface of the waterproof door 6 and the cover plate 11. Further, a rubber hinge 11A is provided on the lower surface at one end in the front-rear direction of the cover plate 11, and a waterproof rubber 11B is provided on the lower surface at the front end in the front-rear direction and the lower surfaces at both ends in the left-right direction. The cover plate 11 and the storage unit 10 are provided with a lock mechanism 8. The lock mechanism 8 includes a slit 8 </ b> A formed in the storage portion 10 and a hook portion 8 </ b> B that is provided in the cover plate 11 and engages with the slit 8 </ b> A to lock the cover plate 11 to the storage portion 10. When the cover plate 11 is locked to the storage unit 10 by the lock mechanism 8, the cover plate 11 is brought into close contact with the opening of the storage unit 10 to prevent water from entering the storage unit 10.

  Side groove receiving portions 13 (see FIG. 9) for connecting the front and rear side grooves 12 and 12 of the entrance / exit 4 formed at both ends of the passage (floor) F are provided at both left and right ends of the storage portion 10. The side groove receiving portion 13 has a bottom surface that is flush with the bottom surface of the storage portion 10, and a bottom surface that is deeper than the side groove 12. The side groove receiving portion 13 has the same dimension as the length in the front-rear direction of the storage portion 10 and avoids interference between an outer wall 14 that rises vertically from the bottom surface and an upright door-to-door plate 20 that will be described later. A standing side, hereinafter referred to as a rear side in the front-rear direction of the storage unit 10) is omitted, and an inner side wall 15 that is shorter in the front-rear direction than the outer wall 14 and rises from the bottom surface. Each wall 14, 15 is provided with a stopper 16 on the inner side, and comes into contact with the front side surface 26 of the door stop plate 20 when a door stop plate 20 described later stands up.

  A side groove receiving cover 17 is detachably provided on the side groove receiving portion 13. The side groove receiving cover 17 is formed with a groove portion 18 communicating with the side groove 12 of the floor F and having substantially the same depth on the upper surface. When the side groove receiving cover 17 is attached to the side groove receiving portion 13, the side groove receiving portion 13 is closed to prevent water leakage to the storage portion 10. The groove portion 18 includes a bottom surface 18A at substantially the same level as the bottom surface of the side groove 12, and extension portions 18B and 18C that extend back and forth from the bottom surface 18A and are placed on the bottom surface of the side groove 12. The side groove receiving cover 17 is attached to the side groove receiving portion 13 when the waterproof door 6 is opened, and is removed from the side groove receiving portion 13 when the waterproof door 6 is closed. Reference numeral 19 denotes a bank portion that determines the width of the groove portion 18 in the left-right direction.

  A door stop plate (watertight means) 20 is swingably attached to the storage portion 10 via a pin 22 on a protruding portion 21 protruding from the bottom of the storage portion 10. The door stop plate 20 includes a swing plate body 23 having a double plate structure and insertion plates 24A, 24B, 25A, and 25B that are detachably inserted into the swing plate body 23. The horizontal dimension L1 of the swing plate 23 is shorter than the distance L2 between the inner side walls 15 and 15 of the side groove receiving portion 13 provided at the left and right ends of the storage portion 10 (L1 <L2). ). That is, the swing plate body 23 is formed such that both ends 23A and 23B are retracted to avoid interference with the side groove receiving portions 13 and 13. The swing plate body 23 is configured by changing the length of the front and rear plates 23C and 23D in the left-right direction so that the rear plate 23C on the rising side is long and the front plate 23D on the side in the horizontal direction is short. The When the swing plate member 23 is erected and the swing end 20 </ b> A is in the upper position, the swing plate member 23 faces the lower part of the closed waterproof door 6. Further, the swing plate body 23 is housed in the housing portion 10 when it is swung and laid down with the waterproof door 6 open.

  As shown in FIG. 5, a first seal portion (one seal portion) 27 is provided on the upper surface 26 of the swing plate body 23 on the side in the lateral direction (front side in the front-rear direction). It is done. The first seal portion 27 includes a close contact member 27A having elasticity such as rubber and synthetic resin attached to the front side surface 26 of the swing plate member 23, and a support member 27B that supports the close contact member 27A. . The first seal portion 27 comes into close contact with the lower portion of the rear side surface 6B of the waterproof door 6 when the swing plate body 23 is raised and the waterproof door 6 is closed. A second seal portion (the other seal portion) 29 is provided along the longitudinal direction at the lower portion of the surface 28 of the swing plate body 23 on the standing direction side (the rear side in the front-rear direction). The seal portion 29 includes a contact member 29A having elasticity such as rubber or synthetic resin attached to the rear side surface 28 of the swing plate 23 and a support member 29B that supports the contact member 29A. The second seal member 29 comes into close contact with the rear side wall surface 10 </ b> A of the storage portion 10 when the swing plate body 23 is raised.

  Of the insertion plates 24A, 24B, 25A, and 25B, the insertion plates (first insertion plates) 24A and 24B on the side groove receiving portion 13 side are respectively located at both end portions of the oscillation plate body 23 when the oscillation plate body 23 stands up. It is inserted between 23A, 23B and the outer walls 14, 14 of the side groove receiving portions 13, 13. When these insertion plates 24A and 24B are inserted between the rocking plate body 23 and the side groove receiving portions 13 and 13, the rear surface is the rear plate 23C and the front surface is the stopper. 16 are held in contact with each other. Each of the insertion plates 24A and 24B has a seal portion 30 continuous with the first seal portion 27 of the swinging plate member 23 at the time of insertion on the front side surface, and a second portion of the swing plate member 23 on the rear side surface. The seal portion 31 is continuous with the seal portion 29. For this reason, when the rocking plate 23 is raised and the waterproof door 6 is closed, the one seal portion 30 is in close contact with the lower portion of the rear side surface 6B of the waterproof door 6 with the first seal portion 27. It is supposed to be. The other seal portion 31 comes into close contact with the second seal portion 29 continuously to the rear side wall surface 10A of the storage portion 10 when the swing plate body 23 is raised.

  The waterproof door 6 is provided with a gremon lock (Extension bolt lock) 40. As shown in FIG. 3 and FIG. 4, the Gremon lock 40 is provided inside the waterproof door 6 so as to be movable up and down, and the upper end protrudes from the upper surface of the waterproof door 6 and can be pressed into contact with the hole of the upper frame 5C. Upper rods 41 </ b> A and 41 </ b> B, lower rods 42 </ b> A and 42 </ b> B whose lower ends protrude from the lower surface of the waterproof door 6 and can be pushed in contact with the receiving port 44 </ b> A of the receiving portion 44 provided in the storage portion 10, and the waterproof door 6. The left rod 43A is provided so as to be horizontally movable, the outer end protrudes from the left side surface of the waterproof door 6 and can be pushed in contact with the hole of the side frame 5A, and the outer end protrudes from the right side surface of the waterproof door 6. And a right rod 43B that can be pushed in contact with the hole of the side frame 5B. The gremon lock 40 includes operating portions 45 and 46 that move the protruding ends of the rods 41A, 41B, 42A, 42B, 43A, and 43B to the protruding position outside the waterproof door 6 and the retracted position inside the waterproof door 6. Configured. The storage unit 10 is provided with two receiving portions 44 that receive the protruding ends of the lower rods 42A and 42B.

  The protruding ends of the rods 41A to 43B of the Gremon lock 40 are all formed in a tapered shape, and the protruding ends of the rods 41A to 43B are made into side frames 5A, 5B, an upper frame 5C and a receiving portion by operating the operating portions 45 and 46. 44, the waterproof door 6 is pressed against the side frames 5A, 5B, the upper frame 5C, and the door stop plate 20 side, and the seal portions 30, 27 of the door stop plate 20 are continuous. , 48, 27, 48, 27, 30 and the side frames 5A, 5B, and the upper frame 5C are brought into pressure contact with respective seal portions (not shown). At this time, the other continuous seal portions 31, 29, 31 of the door stop plate 20 are in pressure contact with the rear side wall surface 10 </ b> A of the storage portion 10.

  The swing plate body 23 is formed with a notch portion 47 at a portion facing the receiving portion 44 to avoid interference with the receiving portion 44 when lying down. The cutout portion 47 is formed on the upper side of the swing plate 23 with the cutout surfaces of the front and rear plates 23C and 23D being different in size, and the cutout surface of the front plate 23D is cut from the cutout surface 47A of the rear plate 23C. 47B is enlarged and formed. When the swing plate body 23 stands up, insertion plates (second insert plates) 25A and 25B are inserted into the notches 47 of the swing plate body 23. When these insertion plates 25A and 25B are inserted into the cutout portions 47 of the swing plate body 23, the rear surface comes into contact with the exposed surface of the rear plate 23C of the swing plate body 23. Each of the insertion plates 25A and 25B includes a seal portion 48 that is continuous with the first seal portion 27 of the swinging plate member 23 at the time of insertion on the front side surface. For this reason, when the rocking plate body 23 is erected, the insertion plates 25A and 25B are inserted into the cutout portions 47, and the waterproof door 6 is closed, the seal portion 48 is positioned below the rear side surface 6B of the waterproof door 6. The first seal portion 27 is in close contact with the first seal portion 27. At this time, the second seal portion 29 attached to the lower portion of the notch portion 47 on the rear side surface of the swing plate body 23 is in close contact with the rear side wall surface 10 </ b> A of the storage portion 10.

  Next, the operation of the watertight structure 2 for the waterproof door according to the first embodiment will be described. In the watertight structure 2 of the waterproof door according to the embodiment, first, when the waterproof door 6 is opened, the side groove receiving cover 17 is placed on the side groove receiving portion 13 of the storage portion 10, and the side groove 12 and the groove portion of the floor F are placed. Communication with 18 is secured. Next, the swing plate body 23 is laid down and stored in the storage unit 10, and the insertion plates 24 A, 24 B, 25 A, and 25 B are stored in the storage unit 10. The insertion plates 24A, 24B, 25A, and 25B may be stored in another place. Then, the cover plate 11 is attached to the opening of the storage unit 10 to prevent water leakage into the storage unit 10 and to secure the passage of the doorway 4 at the same level as the floor F (see FIG. 8A). At this time, since a slit is secured between the lower end of the waterproof door 6 and the floor F and the cover plate 11, the waterproof door 6 can be opened and closed with respect to the frames 5A, 5B, and 5C of the doorway 4. Yes.

  Next, when the waterproof door 6 is closed to ensure the watertightness of the waterproof door 6, the lid plate 11 is first opened (see FIG. 5). Then, the swing plate body 23 is swung upright to remove the side groove receiving covers 17 and 17 (see FIG. 8C), and the insertion plates 24A and 24B are cut at both ends of the swing plate body 23. Insertion plates 25A and 25B are inserted into the notches 47 and 47, respectively. Thus, the door stop plate 20 is configured. At this time, seal portions 30, 27, 48, 27, 48, 27, 30 are continuously formed in the longitudinal direction on the front side surface of the upright door stop plate 20. Seal portions 31, 29, 31 are continuously formed in the longitudinal direction on the rear side surface of the upright door-to-door plate 20, and at this time, the continuous seal portions 31, 29, 31 are rear side wall surfaces of the storage portion 10. 10A. In this state, when the waterproof door 6 is closed and the gremon lock 40 is operated and locked, the waterproof door 6 is pressed against the upper frame 5A and both side frames 5B and 5C, and the upper frame 5A and both side frames 5B and 5C are shown. The lower part is pressed against the continuous seal portions 30, 27, 48, 27, 48, 27, 30 of the upright door-to-door plate 20. At this time, the other continuous seal portions 31, 29, 31 of the door stop plate 20 are pressed against the rear side wall surface 10 </ b> A of the storage portion 10. As described above, the waterproof door 6 is sealed at its rear surface by the frames 5A to 5C and the door stop plate 20, and between the waterproof door 6 and the storage portion 10, the seal portion 31 of the door stop plate 20 is also provided. , 29 and 31. In this way, the waterproof door 6 is locked at the doorway 4 while ensuring watertightness and is prevented from being opened. For this reason, even if water flows in from the front side of the doorway 4 of the waterproof door 6 and water pressure is applied, watertightness is ensured. Thus, in the watertight structure 2 of the waterproof door according to the present embodiment, the swing plate body 23 is erected, the insertion plates 24A, 24B, 25A, and 25B are inserted into the swing plate body 23, and the waterproof door 6 is closed. Watertightness can be ensured simply by locking, and the closing operation can be made efficient. Further, since the structure can be simplified, the cost can be reduced. Furthermore, by forming the storage portion 10 between the side frames 5B and 5C, it is difficult to be restricted by the construction space, and the workability can be improved. In the present embodiment, the seal portions 31, 29, 31 are brought into close contact with the rear side wall surface 10A formed substantially vertically of the storage portion 10 using elastic deformation, but the present invention is not limited to this. In order to make the seal portions 31, 29, 31 adhere smoothly, the rear side wall surface 10A of the storage portion 10 may be formed to be inclined.

  Next, a waterproof door watertight structure 102 according to a second embodiment of the present invention will be described. As shown in FIGS. 13A to 13C, the watertight structure 102 of the waterproof door according to the second embodiment includes the watertight structure 2 of the waterproof door according to the first embodiment. The side groove receiving portion 13 and the receiving portion 44 of the gremon lock 40 are provided, and in order to avoid interference between the side groove receiving portion 13 and the receiving portion 44 of the gremon lock 40, the door stop plate 20 and the swing plate body 23 and the swinging plate body 23 are swung. The insertion plate 24A, 24B, 25A, 25B is inserted into the plate body 23, but is applied when there is no side groove in the passage or floor F. The storage portion includes a side groove receiving portion and The difference is that the door stop plate 120 is not provided with a receiving portion, and is configured as a single plate so as to match the lateral width of the storage portion 110.

  The watertight structure 102 of the waterproof door according to the second embodiment is configured such that a floor connecting the left and right side frames 105A and 105B is recessed, and a housing 110 is formed by fitting and fixing a metal casing in the recessed portion. . As shown in FIG. 14, the storage portion 110 is formed by protruding from between the left and right side frames 105 </ b> A and 105 </ b> B to the floor F <b> 1 on the front side (waterproof door 106 side). A pair of cover plates 111A and 111B are attached to the upper opening of the storage unit 110 through a rubber hinge (not shown) so as to be opened and closed. The cover plates 111A and 111B ensure the same level as the floor surface. The floors F1 and F2 include a front-side floor F1 and a rear-side staircase F2, and the rear-side staircase floor F2 continues to the outside. When the waterproof door 106 is closed, a slit is formed between the lower end surface of the waterproof door 106 and the cover plates 111A and 111B.

  A door stop plate (watertight means) 120 is swingably attached to the storage portion 110 via a pin 122 on a protruding portion 121 protruding from the bottom of the storage portion 110. The door stop plate 120 is formed such that the length dimension in the left-right direction substantially matches the length dimension in the left-right direction of the storage unit 110. When the door stop plate 120 is erected and the swing end 120 </ b> A is in the upper position, the door stop plate 120 faces the lower part of the closed waterproof door 106. Further, the door stop plate 120 is accommodated in the accommodating portion 110 when the waterproof door 106 is swung and laid down with the waterproof door 106 opened. Reference numeral 124 denotes a handle.

  As shown in FIG. 13C and FIG. 14, a first seal portion (one side of the door stop plate 120 is formed on the side 126 side (front side in the front-rear direction) of the door stop plate 120 along the longitudinal direction. A seal portion 127 is attached. The first seal portion 127 includes a close contact member having elasticity such as rubber and synthetic resin, and a support member (not shown) that supports the close contact member. The first seal portion 127 comes into close contact with the lower portion of the rear side surface 106B of the waterproof door 106 when the door stop plate 120 is raised and the waterproof door 106 is closed. Further, a second seal portion (the other seal portion) 129 is provided along the longitudinal direction at the lower portion of the surface 128 of the door stop plate 120 on the standing direction side (the rear side in the front-rear direction). The second seal portion 129 includes a close contact member having elasticity such as rubber or synthetic resin, and a support member (not shown) that supports the close contact member. When the door stop plate 120 is raised, it comes into close contact with the bottom surface of the storage unit 110.

  Since the watertight structure 102 of the waterproof door according to the present embodiment is configured as described above, first, when the waterproof door 106 is opened, the opening of the storage unit 110 is closed by the cover plates 111A and 111B, and the storage unit 110 is closed. In addition to preventing water leakage into the interior, a passage at the same level as the floor F1 is secured. At this time, since a gap is secured between the lower end of the waterproof door 106 and the floor F1 and the cover plates 111A and 111B, the waterproof door 6 includes the side frames 105A and 105B at the entrance and the upper frame (not shown). It can be opened and closed freely.

  Next, when the waterproof door 106 is closed to ensure the watertightness of the waterproof door 106, first, the cover plates 111A and 111B are opened, and the door stop plate 120 is swung to stand. At this time, the second seal portion 129 is in close contact with the bottom surface of the storage portion 110. When the waterproof door 106 is closed and locked in this state, the waterproof door 106 is brought into close contact with the upper frame (not shown) and the sealing members of the both side frames 105A and 105B, and the lower portion is the first of the upright door stopper 120. 1 is closely attached to the seal portion 127. At this time, the second seal portion 129 of the door stop plate 120 is in close contact with the bottom surface of the storage portion 110. As described above, the waterproof door 106 has the rear side surface sealed by the upper frame and the both side frames 105A and 105B and the door stop plate 120, and the door stop plate 120 is also provided between the waterproof door 106 and the storage portion 110. The second seal portion 129 is sealed. For this reason, even if water flows in from the front side of the doorway of the waterproof door 106 and water pressure is applied, watertightness is ensured. Thus, in the watertight structure 102 of the waterproof door according to the present embodiment, it is possible to ensure watertightness simply by raising the door stop plate 120 and closing and locking the waterproof door 106, thereby improving the efficiency of the closing operation. Can do. Further, since the structure can be simplified, the cost can be reduced. Furthermore, by forming the storage portion 110 between the side frames 105A and 105B, it is difficult to be restricted by the construction space, and the workability can be improved.

  Next, a watertight structure 202 for a waterproof door according to a third embodiment of the present invention will be described. As shown in FIGS. 18A and 18B, the watertight structure 202 of the waterproof door according to the third embodiment includes the watertight structures 2 and 102 of the waterproof door according to the first and second embodiments. The door stop plates 20 and 120 are swingably disposed in the storage portions 10 and 110, whereas a groove 211 is formed in the storage portion 210, and the insertion plate 220 is detachable from the groove 211. The difference is that it is composed of plates.

  That is, the watertight structure 202 of the waterproof door according to the present embodiment is a storage in which the floor F4 connecting the left and right side frames (not shown) of the doorway is recessed and a cover plate (not shown) is attached to the upper opening so as to be opened and closed. A portion 210 is formed, and a groove 211 is formed in the storage portion 210 on the rear side of the waterproof door 206 on the rear side (left side in FIG. 18A) on the rear side from the rear side surface 206B of the waterproof door 206. . Then, a watertight means is inserted in the groove 211, and the insertion plate 220, the first seal portion 227 adhered along the longitudinal direction on the front surface 226 of the insertion plate 220, and the insertion plate 220. And a second seal member 229 which is attached along the longitudinal direction with different heights below the first seal portion 227 on the rear surface 228. When the lower part of the insertion plate 220 is inserted into the groove 211, the second seal member 229 is brought into close contact with the rear side wall surface 210 </ b> A of the storage unit 210. When the insertion plate 220 is inserted into the groove 211 and the waterproof door 206 is closed, the first seal portion 227 is brought into close contact with the lower portion of the rear side surface 206B of the waterproof door 206. As described above, the waterproof door 206 is sealed at its rear surface by the upper frame and the both side frames (not shown) and the insertion plate 220, and between the waterproof door 206 and the storage portion 210, the second side of the insertion plate 220 is also sealed. The sealing portion 229 is sealed. For this reason, even if water flows in from the front side of the doorway of the waterproof door 206 and water pressure is applied, watertightness is ensured. Thus, in the watertight structure 202 of the waterproof door according to the present embodiment, it is possible to ensure watertightness by simply inserting the insertion plate 220 into the groove 211 and closing and locking the waterproof door 206, thereby improving the efficiency of the closing operation. Can do. Further, since the structure can be simplified, the cost can be reduced. Furthermore, by forming the storage portion 210 between the side frames, it is difficult to be restricted by the construction space, and the workability can be improved.

2 Watertight structure of waterproof door 4 Entrance / exit of structure 5A, 5B Left right frame 5C Upper frame 6 Waterproof door 10 Storage part 11 Cover plate 20 Door stop plate (watertight means)
27 1st seal part (one seal part)
29 Second seal part (the other seal part)
F floor

Claims (6)

A waterproof door with one side openable and closable on at least one of the left and right side frames of the doorway of the structure is pressed against the upper frame of the doorway and the left and right side frames to close the doorway and ensure water tightness. The watertight structure of the waterproof door,
The floor connecting the left and right side frames is recessed to form a storage portion having a cover plate in the upper opening, and the storage portion is formed corresponding to the waterproof door and the storage portion along the longitudinal direction. The watertight means that comes into close contact with the storage section is displaceably provided, and when the waterproof door is secured, the lid is opened to displace the watertight means to close the waterproof door, along the longitudinal direction of the watertight means One seal part is placed on the lower part of the waterproof door, and one seal part of the water-tight means is made to be different from the other seal part provided along the longitudinal direction to the storage part, respectively. Watertight structure for waterproof doors, characterized in that the watertightness between the two is maintained. The watertight means, pivotally mounted in the housing portion, the standing time of the upper end is configured with a door stop plate positioned above the lower end of the waterproof door, on a surface facing the waterproof door doorstop plate, causing The one seal part which contacts the lower part of a waterproof door at the time of standing, and the other seal part which contacts the inner surface of the storage part at the time of standing are provided in different parts of the door stop plate, respectively. Watertight structure of waterproof door. At both ends in the left-right direction of the storage part, the side walls on the inner and outer sides are connected to side grooves formed in the floor, and the front side in the front-rear direction of the inner side wall is omitted to avoid interference with the standing door-to-door plate. Side groove receiving part is formed,
In the side groove receiving portion, a groove portion communicating with the floor side groove is formed on the upper surface, and a side groove receiving cover that closes the side groove receiving portion and prevents water leakage to the storage portion is provided detachably,
The door stop plate is constituted by a swing plate body having a double plate structure, and the swing plate body is formed by retreating both ends to avoid interference with the side groove receiving portion, and the length of the front and rear plates in the left-right direction. The rear plate on the rising direction side is made long and the front plate on the side in the sideways direction is made short, and inserted into the rocking plate body and the side groove receiving portion when standing up. The watertight structure of a waterproof door according to claim 2, comprising a first insertion plate having a seal portion continuous with the seal portion.   The watertight structure of the waterproof door according to claim 2 or 3, wherein the waterproof door is provided with a lock device that presses and locks the door against the door stop plate and each frame side in the closed position. The storage part is provided with a part of the locking device,
The door stop plate is formed with a notch portion that avoids interference with a part of the locking device when lying down on the upper part of the swing plate facing the part of the locking device provided in the storage unit, The notch surface of the front and rear plates are made different in size and the notch surface of the front plate is enlarged from the notch surface of the rear plate, and when standing up, it is inserted into the notch part of the swinging plate body and inserted. 5. The watertight structure for a waterproof door according to claim 4, further comprising a second insertion plate having a seal portion continuous with one seal portion of the swing plate body. A waterproof door with one side openable and closable on at least one of the left and right side frames of the doorway of the structure is pressed against the upper frame of the doorway and the left and right side frames to close the doorway and ensure water tightness. The watertight structure of the waterproof door,
The floor connecting the left and right side frames is recessed to form a storage part having a cover plate in the upper opening, and in this storage part, a groove formed corresponding to the waterproof door along the longitudinal direction is formed,
An insertion plate having a seal member arranged along the longitudinal direction on one side and the other side is provided so as to be able to be put in and out of the groove,
To ensure the watertightness of the waterproof door, open the cover plate and insert the lower part of the insertion plate into the groove to close the waterproof door, press one seal member into the waterproof door and the other seal member into the inner surface of the storage section. A watertight structure for waterproof doors, characterized in that

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