JP5926671B2 - Opening shielding device - Google Patents

Description

  The present invention relates to an improvement of an opening shielding device.

  In general, the opening shielding device is provided at an opening of a hangar or a warehouse, and includes a door that opens and closes the opening. For example, in Patent Document 1, a sliding door is provided on an opening serving as an entrance of a warehouse or the like, and a sliding door is loaded on a wheel (supporting roller 11 of Patent Document 1) that runs on a lower guide rail. An opening shielding device that is opened and closed by being guided by an upper guide rail is disclosed. And according to this opening part shielding apparatus, even if the opening part is large and the weight of a door becomes heavy, opening and closing of a door can be performed easily.

JP 2008-014026 A

  Here, there is a case where it is desired to provide the conventional opening shielding device with water tightness for the reason of using the opening shielding device for a ship. In this case, for example, as shown in FIG. 7A, the door 1 in the conventional opening shielding device is configured, and along the outer peripheral edge of the outer surface 10a of the rectangular plate-shaped door body 10 that shields the opening. The packing 3 is attached, the seal plate 4 is erected along the edge of the opening, the door 1 is driven by the upper and lower door pressing means 9H and 9L, and the packing 3 is pressed against the seal plate 4 to be brought into close contact therewith. .

  Each of the door pressing means 9H and 9L includes an expansion / contraction device 90 that is connected to an attachment piece 12 attached to the inner side surface 10b of the door body 10 so that the base end 90a is swingably connected to expand and contract. Each of the telescopic devices 90, 90 is extended by including links 91 that are swingably connected to the distal end portion 90 b of the device 90 and the mounting piece 12 disposed to face the inner side surface 10 b of the door body 10. By rotating both links 91, 91, the ends of both links 91, 91 are brought into contact with the upper and lower guide rails 7H, 7L, the door 1 is pushed outward, and the packing 3 is pressed against the seal plate 4 to be brought into close contact therewith. be able to.

  However, in this case, a mounting space for each of the wheel 2 on which the door 1 shown in FIG. 7B is loaded and the upper and lower door pressing means 9H and 9L is necessary. And the lower door pressing means 9L need to be arranged side by side in the lateral direction of the door 1 (front-rear direction in FIG. 7), so that the wheel 2 and the lower door pressing means 9L are bulky in the lateral direction of the door 1.

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide an opening shielding device that can reduce the mounting space between the wheel and the door pressing means even when the opening shielding device has water tightness.

  Means for solving the above problems are a door that opens and closes an opening, a wheel that is connected to the door and rotates while opening and closing the door, a guide rail that guides the wheel, Packing attached to the inner or outer surface of the door, a seal plate standing along the opening, and door pressing means for driving the door inward or outward to press the packing against the seal plate. The opening shielding device includes a support member that rotatably supports the wheel, and a support member that is connected to the support piece and has a pedestal that has a smooth sliding surface. A telescopic device whose base end is swingably connected to the door and extends and contracts, and is slidably in contact with the sliding surface and slides inward and outward. A first link that is swingably connected to the tip of the telescopic device and the support member, and a second link that is swingably connected to the tip of the telescopic device and the door, respectively. It is to provide.

  According to the present invention, even when the opening shielding device has water tightness, since the wheel and the door pressing means are integrated, it is possible to reduce the mounting space between the wheel and the door pressing means.

It is a front view which shows partially the attachment state of the opening part shielding apparatus which concerns on one embodiment of this invention. The state seen from the arrow XX in FIG. 1 is enlarged and the packing is pressed against the seal plate. It is the figure which expanded and showed the lower guide rail part of FIG. 2, and shows the state which separated the packing from the seal plate. (A) is the figure which expanded and showed the wheel part of FIG. (B) is a YY arrow line view of (a). It is the figure which expanded and showed the door pressing means of FIG. (A) is the figure which expanded and showed the lower part of FIG. 2, and shows the state which pressed the packing against the seal plate. (B) is the figure which expanded and showed the lower part of FIG. 2, and shows the state which separated the packing from the seal plate. (A) is the figure cut | disconnected and seen from the side so that the door pressing means of the conventional opening part shielding apparatus can be seen, and the state which pressed the packing against the seal plate is shown. (B) shows the state which cut | disconnected so that the wheel of the conventional opening part shielding apparatus might be seen, and was seen from the side, and showed the state which separated the packing from the seal plate.

  Hereinafter, an opening shielding device showing an embodiment of the present invention will be described with reference to the drawings. The same reference numerals used throughout the several drawings indicate the same parts. Each drawing is viewed in the direction of the reference numerals.

  As shown in FIGS. 1 and 2, the opening shielding device A according to the present embodiment is a door 1 that opens and closes the opening O, and is connected to the door 1 and rotates as the door 1 opens and closes. The wheel 2 that travels while traveling, the lower guide rail 7L that guides the wheel 2, the packing 3 that is attached to the outer surface of the door 1, the seal plate 4 that stands along the opening O, and the above Lower door pressing means 5L that drives the door 1 outward to press the packing 3 against the seal plate 4 is provided.

  Further, the opening shielding device A is a pedestal 60 having support pieces 61 and 61 for rotatably supporting the wheel 2 and a smooth slide surface 60a (FIG. 4) connected to the support pieces 61 and 61. The lower door pressing means 5L is connected to the door 1 and a telescopic device 50 that extends and contracts with a base end 50a swingably connected to the door 1. A slider 51 that slides inwardly and outwardly in contact with the slide surface 60a, a first link 52 that is swingably connected to the distal end portion 50b of the telescopic device 50 and the support member 6; A distal end portion 50b of the telescopic device 50 and a second link 53 that is swingably connected to the door 1 are provided.

  Hereinafter, the opening shielding device A according to the present embodiment will be described in detail. The opening shielding device A is disposed in a rectangular opening O (FIG. 1) serving as a loading / unloading port for a hangar in a ship. Yes. Moreover, the said opening part O is provided in the hull side surface, The lateral width (width in a bow stern direction) is about 15 m.

  In addition, the opening shielding device A includes upper and lower guide rails 7H and 7L arranged in the lateral direction (forward / stern direction) along the upper and lower sides of the opening O. The door 1 that opens and closes the opening O stands on the lower guide rail 7L, and slides in the lateral direction (forward / stern direction) while being guided by the upper and lower guide rails 7H and 7L. The door. In the present embodiment, the door 1 stands up substantially in the vertical direction, but may be slightly inclined inward (hull side) or outward (sea side).

  Further, as shown in FIG. 2, the door 1 is arranged on the outer side (sea side) and has a rectangular plate-like door body 10 for shielding the opening O, and a plurality of doors 10 for reinforcing the door body 10. , And a plurality of attachment pieces 12, 12... For attaching various members such as door pressing means 5H, 5L and a support member 6 to the door 1. 11, 11... And mounting pieces 12, 12... Are arranged inside the door body 10 (the hull side).

  A rectangular frame-shaped packing 3 is attached to the outer side surface (sea side surface) of the door 1 along the outer peripheral edge of the outer side surface 10a of the door main body 10, and the packing 3 is an elastic body such as a comb. Consists of. Hereinafter, in packing 3, the part arrange | positioned above the door 1 is made into packing upper part 3H, and the part arrange | positioned under the door 1 is made into packing lower part 3L.

  Further, the seal plate 4 standing along the opening O is formed in a rectangular frame shape, and stands opposite to the outer side (sea side) of the packing 3. When the packing 3 is pressed against the seal plate 4 and brought into close contact with each other, it becomes watertight, and seawater, rainwater, and the like can be prevented from entering the inside of the door body 1 (the hull side). Hereinafter, in the seal plate 4, a portion disposed above the opening O is referred to as a seal plate upper portion 4H, and a portion disposed below the opening O is referred to as a seal plate lower portion 4L.

  In the present embodiment, a groove 8 is formed below the opening O along the moving direction of the door 1 as shown in FIG. 3. The groove 8 includes a bottom 80, The bottom portion 80 is formed on the inner side of a sill member formed of a pair of side walls 81, 81 standing from both ends in the longitudinal direction and having a U-shaped cross section. And the lower guide rail 7L is arrange | positioned along the center longitudinal direction of the said bottom part 80, and the seal plate lower part 4L is being fixed to one side wall 81 arrange | positioned on the outer side (the sea side).

  Subsequently, the wheel 2 connected to the door 1 and traveling while rotating as the door 1 opens and closes is disposed on the inner side (the hull side) of the door body 10 and travels on the lower guide rail 7L. The door 2 is loaded on the wheel 2 and the weight of the door 1 is applied. In addition, the wheel 2 is formed in a columnar shape, and the outer diameter of the axial central portion 20 is smaller than the outer diameters of both end portions 21, 21. Travels on the lower guide rail 7L with the guide rail 7L interposed therebetween.

  Further, the wheel 2 supports the door 1 via a support member 6, and the support member 6 is provided on a base 60 on which the door 1 is loaded and a lower side of the base 60 as shown in FIG. 4. A pair of support pieces 61 and 61 are provided which are continuous and stand up on both sides of the wheel 2 to rotatably support the wheel 2. In the present embodiment, the wheel 2 is supported from both sides by the pair of support pieces 61, 61, but the wheel 2 may be supported from one side only by the one support piece 61.

  A smooth slide surface 60a is formed on the outer surface (sea side) of the pedestal 60 so as to be arranged almost horizontally from the outer end toward the inner side, and on the inner surface (hull side) of the pedestal 60. The connecting piece 62 is fixed. Furthermore, as shown in FIG. 4B, the slide surface 60 a is provided in two rows in parallel at the front and rear end portions (the bow side and the stern side) in the traveling direction of the door 1. In addition, the pedestal 60 is formed in a trapezoidal cross-section with two surfaces 60b, 60b that are connected to the slide surfaces 60a, 60a and face in the traveling direction of the door 1, and the upper side surface of the pedestal 60 is lower than the lower side surface. Is also set wide.

  Returning to FIG. 2, upper and lower door pressing means 5H and 5L for driving the door 1 outward and pressing the packing 3 against the seal plate 4 are attached to the upper and lower portions of the door 1, The door pressing means 5H can press the packing upper part 3H against the seal plate upper part 4H to be brought into close contact therewith, and the lower door pressing means 5L can be pressed against the seal plate lower part 4L to be brought into close contact therewith.

  As described above, the lower door pressing means 5L includes a telescopic device 50 whose base end portion 50a is swingably connected to the door 1 and expands and contracts, and a sliding surface 60a (see FIG. 4 (b)) is slidably contacted to the inner side (the hull side) and the outer side (the sea side), the slider 51, and the first end portion 50b of the expansion / contraction device 50 and the support member 6 are swingably connected to each other. The link 52, the front-end | tip part 50b of the expansion-contraction apparatus 50, and the 2nd link 53 respectively connected with the door 1 so that rocking | fluctuation are provided.

  And as long as the said expansion / contraction apparatus 50 can expand / contract arbitrarily, various well-known structures can be employ | adopted, for example, as shown in FIG. A cylinder 500 that is swingably connected to the mounting piece 12 of the door 1 through the connecting portion and that has a distal end extending downward, and a rod 501 that is inserted into the cylinder 500 from below the cylinder 500; The hydraulic cylinder includes a hydraulic circuit (not shown) that causes the rod 501 to move in and out of the cylinder 500 by sucking and discharging the hydraulic oil into the cylinder 500. And the 1st link 52 and the 2nd link 53 are each connected with the lower end part of the rod 501 used as the front-end | tip part 50b of the expansion-contraction apparatus 50 so that rocking | fluctuation is possible.

  As shown in FIG. 4B, the slider 51 includes a pair of sliding contact pieces 510 and 510 that are in sliding contact with the slide surfaces 60a and 60a formed on the pedestal 60, and the sliding contact pieces 510 and 510 and a door. A pair of sliding contact pieces 510 and 510 and a holding piece 511 which is bolted to the mounting piece 12 and a connecting piece 512 which is bolted to the upper surface of the mounting piece 12. I have.

  The slidable contact pieces 510 and 510 are each formed to have an approximately L-shaped cross section, and the inner side faces the slide surfaces 60a and 60a of the base 60 and the surfaces 60b and 60b connected to the slide surfaces 60a and 60a. It has a shape. Therefore, the pedestal 60 and the sliding contact pieces 510 and 510 are restrained in the vertical direction so that the slider 51 is not separated from the slide surfaces 60a and 60a when the slider 51 slides.

  Further, the holding piece 511 has a front and rear portion (a bow side end portion and a stern side end portion) projecting downward in the traveling direction of the door 1, and between the projecting portions 511 a and 511 a and the pedestal 60. Both sliding contact pieces 510 and 510 are supported. Therefore, the sliding contact pieces 510 and 510 can slide toward the inside (the hull side) and the outside (the sea side) while being supported by the protrusions 511a and 511a of the holding piece 511.

  Moreover, in this Embodiment, both the sliding contact pieces 510 and 510 consist of brass, and the slider 51 can slide smoothly along the slide surfaces 60a and 60a. However, the material and shape of the sliding contact pieces 510 and 510 can be appropriately selected as long as the slider 51 can smoothly slide inward and outward along the slide surface 60a. Also, the configuration of the slider 51 can be changed as appropriate.

  Subsequently, as shown in FIG. 5, the first link 52 interposed between the distal end portion 50 b of the expansion device 50 and the pedestal 60 has a base end portion (upper end portion in FIG. 5) not shown in the expansion device. 50 is connected to a front end portion 50b (lower end portion of the rod 501) so as to be swingable, and a front end side (lower side in FIG. 5) extends obliquely downward inward (hull side), and a front end portion 52a is a base 60. It is connected to a connecting piece 62 fixed inside the upper surface of the upper part of the upper part of the upper part of the upper part so as to be swingable. For this reason, the position of the front-end | tip part 52a of the 1st link 52 is being fixed to the wheel 2 via the supporting member 6, and it does not move to the inner side (hull side) and the outer side (the sea side).

  In addition, the second link 53 interposed between the distal end portion 50b of the expansion / contraction device 50 and the door 1 has a base end portion (upper end portion in FIG. 5) not indicated at the distal end portion 50b (rod 501) of the expansion / contraction device 50. The tip end side (lower side in FIG. 5) is inclined downward and extends outward (sea side), and the tip end portion 53a is swingable to the connecting piece 512 of the slider 51. It is connected to. And since the other attachment piece 12 arrange | positioned under the attachment piece 12 with which the base end part 50a of the expansion-contraction member 50 is connected so that rocking | fluctuation is bolted to this connection piece 512, the door 1 Can move with the slider 51 inward (hull side) and outward (sea side).

  Moreover, the 1st link 52 and the 2nd link 53 are divided | segmented into the forked part of the inner side (hull side) and the outer side (the sea side) from the front-end | tip part 50b of the expansion / contraction apparatus 50 on the lower side of the expansion / contraction apparatus 50, and arrange | position in V shape. Has been. When the weight of the door 1 is applied to the wheel 2 via the slider 51 and the support member 6 and the wheel 2 is not rotating, the position of the tip 52a of the first link 52 connected to the base 60 is It is fixed to the lower guide rail 7L and does not move. On the other hand, the position of the tip 53a of the second link 53 connected to the slider 51 can slide inward and outward together with the slider 51, and the tip 53a of the second link 53 slides inward to the first. The front end portions 52a and 53a of the link 52 and the second link 53 approach each other, or the front end portion 53a of the second link 53 slides outward to separate the first link 52 and the front end portions 52a and 53a of the second link 53. Can be.

  By providing the above configuration, as shown in FIG. 6A, when the rod 501 is retracted from the cylinder 500 and the telescopic device 50 is extended, the position of the tip 52a of the first link 52 is lowered as described above. Since it is fixed with respect to the guide rail 7L on the side, the tip 53a of the second link 53 slides outward (sea side) together with the door 1 and the slider 51, as indicated by the arrow z1. For this reason, the packing 3 attached to the outer surface of the door 1 also moves outward, and the lower packing portion 3L is pressed against the lower seal plate lower portion 4L to come into close contact therewith.

  On the other hand, as shown in FIG. 6B, when the rod 501 enters the cylinder 500 and the telescopic device 50 contracts, as described above, the position of the tip 52a of the first link 52 is the lower guide rail. Since it is being fixed with respect to 7L, the front-end | tip part 53a of the 2nd link 53 slides inside (the hull side) with the door 1 and the slider 51, as shown by arrow z2. For this reason, the packing 3 attached to the outer surface of the door 1 also moves inward, and the packing lower portion 3L is separated from the seal plate lower portion 4L.

  By the way, as the configuration of the upper door pressing means 5H for pressing the packing upper portion 3H against the seal plate upper portion 4H, various known configurations such as the configuration of the conventional upper door pressing means 9H can be adopted. An example is shown below. As shown in FIG. 2, the upper door pressing means 5H according to the present embodiment includes an expansion / contraction device 54 that expands and contracts with a base end portion (lower end portion in FIG. 2) swingably connected to the door 1, and this expansion / contraction. And a link 55 slidably connected to the tip end portion (upper end portion in FIG. 2) of the device 54.

  And the structure of the said expansion-contraction apparatus 54 can employ | adopt various known structures, as long as it can expand / contract arbitrarily like the expansion / contraction apparatus 50 of the lower door pressing means 5L. The expansion / contraction device 54 shown in FIG. 2 is composed of a hydraulic cylinder, like the expansion / contraction device 50 of the lower door pressing means 5L. The link 55 is formed in a U shape so as to sandwich the upper guide rail 7H from the inner side (the hull side) and the outer side (the sea side), and is disposed to face the inner side surface 10b of the door body 10. The reinforcing plate 11 is swingably connected to an attachment piece 12 extending outward from the upper portion of the reinforcing plate 11.

  By providing the above configuration, when the telescopic device 54 extends, the link 55 rotates in the direction of the arrow z3, the outer end 55a of the link 55 contacts the outer surface of the upper guide rail 7H, and the door 1 is moved outward (sea The packing 3 attached to the outer surface of the door 1 is also moved outward, and the packing upper portion 3H is pressed against the seal plate upper portion 4H and is brought into close contact therewith.

  On the other hand, when the telescopic device 54 contracts, although not shown, the link 55 rotates in the direction opposite to the arrow z3, the inner end 55b of the link 55 contacts the inner surface of the upper guide rail 7H, and the door 1 is moved to the inner side ( The packing 3 attached to the outer surface of the door 1 is also moved inward to pull it back to the hull side), and the packing upper portion 3H is separated from the seal plate upper portion 4H.

  Next, the effect of the opening part shielding apparatus A which concerns on this Embodiment is demonstrated. The opening shielding device A includes a door 1 that opens and closes the opening O, a wheel 2 that is connected to the door 1 and rotates while the door 1 is opened and closed, and a lower guide that guides the wheel 2. Side guide rail 7L, packing 3 attached to the outer surface (sea side) of door 1, seal plate 4 standing along opening O, and door 1 driving outward (sea side) to seal 3 And a lower door pressing means 5L that presses against the seal plate 4.

  Further, the opening shielding device A includes support pieces 61 and 61 that rotatably support the wheel 2, and a base 60 that is connected to the support pieces 61 and 61 and has smooth slide surfaces 60a and 60a. The lower door pressing means 5L includes a support member 6 and includes a telescopic device 50 whose base end 50a is swingably connected to the door 1 and expands and contracts, and a sliding surface 60a, 60a connected to the door 1. A slider 51 that slides inwardly and slides toward the inner side (the hull side) and the outer side (the sea side), a first link 52 that is swingably connected to the distal end portion 50b of the expansion / contraction device 50 and the support member 6; A tip end 50b of the device 50 and a second link 53 that is swingably connected to the door 1 are provided.

  That is, in the present embodiment, the wheel 2 is guided by the lower guide rail 7L, and the connecting portion of the first link 52 and the support member 6 (the tip portion 52a of the first link 52) moves inward and outward. That has been suppressed. On the other hand, the connecting portion of the second link 53 and the door 1 (the tip 53a of the second link 53) is allowed to move inward and outward by the slider 51.

  Accordingly, the expansion and contraction of the expansion / contraction device 50 drives the slider 51 via the first and second links 52 and 53, and the door 1 and the packing 3 attached to the door 1 together with the slider 51 are arranged on the inner side (the hull side) and the outer side (the hull side). It can be moved to the sea side) and can be made watertight by pressing the packing 3 against the seal plate 4 and bringing it into close contact.

  Further, since the wheel 2 and the lower door pressing means 5L are connected in series via the support member 6 and integrated, the mounting space between the wheel 2 and the lower door pressing means 5L is reduced. It becomes possible to prevent the wheel 2 and the lower door pressing means 5L from being bulky in the lateral direction (the bow side and the stern side).

  Moreover, in the opening part shielding apparatus A of this Embodiment, since the door 1 is a sliding door type door and is loaded on the wheel 2, the opening part O is provided in the opening part O of the hangar in a ship, etc. When the door 1 is wide and the door 1 becomes large and the weight increases, the opening shielding device A is not bulky, and installation and opening / closing operations are easy.

  Further, by providing the above-described configuration, the weight of the door 1 is applied to the wheel 2, and when the wheel 2 is guided by the lower guide rail 7L, the wheel 2 is moved inward and outward by the lower guide rail 7L. Will be suppressed. For this reason, it becomes possible to suppress reliably that the connection part (front-end | tip part 52a of the 1st link 52) of the 1st link 52 and the support member 6 moves inside and outside.

  Moreover, in the opening part shielding apparatus A of this Embodiment, the door 1 is arrange | positioned inside the plate-shaped door main body 10 which shields the opening part O, and this door main body 10 (hull side), and the door pressing means 5H. , 5L and a plurality of attachment pieces 12, 12... For attaching the support member 6 to the door body 10, and the packing 3 is attached to the outer surface (sea surface) of the door 1, and the wheel 2, Guide rails 7H and 7L, door pressing means 5H and 5L, and a support member 6 are arranged inside the door body 10.

  For this reason, even when the opening shielding device A is used for a ship or the like, the door body 10 indicates that seawater or rainwater is applied to the wheel 2, the guide rails 7H and 7L, the door pressing means 5H and 5L, and the support member 6. Can prevent.

  Further, in the door pressing means 5L on the lower side of the opening shielding device A of the present embodiment, the telescopic device 50 is connected to the attachment piece 12 of the door 1 so that the base end portion 50a can swing, and the distal end side is on the lower side. It extends toward. The first link 52 has a base end portion that is swingably connected to the distal end portion 50b of the expansion / contraction device 50, and a distal end side that is inclined downwardly inwardly, and the distal end portion 52a can swing to the support member 6. It is connected to. Further, the second link 53 has a proximal end portion that is swingably connected to the distal end portion 50b of the expansion / contraction device 50, and a distal end side that is inclined downward and extends outward, so that the distal end portion 53a can swing relative to the door 1. It is connected.

  Therefore, by extending / contracting the expansion / contraction device 50, the slider 51 can be easily slid inward (hull side) and outward (sea side), and the configuration of the lower door pressing means 5L can be simplified. it can.

  Moreover, in the opening part shielding apparatus A of this Embodiment, while the wheel 2 is formed in a column shape, the outer diameter of the axial direction center part 20 is formed smaller than the outer diameter of the both ends 21 and 21. Because the lower guide rail 7L is sandwiched between the two end portions 21 and 21, the lower guide rail 7L travels on the lower guide rail 7L. At the same time, derailment is suppressed.

  Moreover, by providing the said structure, it becomes possible to suppress more reliably that the connection part (front-end | tip part 52a of the 1st link 52) of the 1st link 52 and the supporting member 6 moves inside and outside.

  While the preferred embodiment of the present invention has been described above, it should be understood that modifications, variations and changes may be made without departing from the scope of the claims.

  For example, in the said embodiment, although the opening part shielding apparatus A is arrange | positioned in the opening part O used as carrying in of the hangar in a ship, and a carrying out exit, it is not this limitation, Warehouses other than the ship which requires watertightness Alternatively, the opening shielding device A may be disposed at the entrance / exit of a hangar or the opening shielding device A may be used as a partition in the hangar or warehouse.

  Moreover, in the said embodiment, although the door 1 of the opening part shielding apparatus A is a sliding door type door, when the door 1 is closed (when it is necessary to make it watertight), it is wheel 2 with the guide rails 7H and 7L. As long as the movement to the inside and the outside is suppressed, it may be a Kannon type door.

  Moreover, in the said embodiment, although the door 1 is loaded on the wheel 2, it is not restricted to this, The wheel 2 may be attached to the upper side of the door 1, and you may drive | work along the upper guide rail 7H. In this case, the lower door pressing means 5L in the above embodiment can be used as the upper door pressing means for attaching the packing upper part 3H to the seal plate upper part 4H by attaching it to the upper part of the door 1 upside down. .

  Moreover, in the said embodiment, the packing 3 is attached to the outer side surface of the door 1, the door 1 is driven to the outer side (the sea side), the packing 3 is pressed against the seal plate 4, and it makes it closely_contact | adhere, and is watertight. However, although not shown, the packing 3 is attached to the inner surface of the door 1, the seal plate 4 is attached to the other side wall 81 arranged on the inner side (the hull side), and the door 1 is driven to the inner side (the hull side) for packing. 3 may be pressed against the seal plate 4.

  Further, the configuration of various members constituting the opening shielding device A, such as the door 1, the wheel 2, the packing 3, the seal plate 4, the door pressing means 5H and 5L, the support member 6, and the guide rails 7H and 7L in the above embodiment, The shape is not limited to the above, and can be changed as appropriate.

A Opening shielding device O Opening 1 Door 2 Wheel 3 Packing 4 Seal plates 5H, 5L, 9H, 9L Door pressing means 6 Support member 7H, 7L Guide rail 8 Groove 10 Door body 11 Reinforcing plate 12 Mounting pieces 50, 54, 90 Telescopic device 51 Slider 52 First link 53 Second link 55, 91 Link 60 Base 60a Slide surface 61 Support piece 500 Cylinder 501 Rod 510 Slide contact piece 511 Holding piece 512 Linking piece

Claims (5)

A door that opens and closes an opening, a wheel that is connected to the door and rotates while opening and closing the door, a guide rail that guides the wheel, and an inner surface or an outer surface of the door An opening shielding device comprising: a packing, a seal plate standing along the opening; and a door pressing unit that drives the door inward or outward to press the packing against the seal plate.
A support member that includes a support piece that rotatably supports the wheel, and a base that is connected to the support piece and has a smooth sliding surface;
The door pressing means includes a telescopic device whose base end portion is swingably connected to the door and expands and contracts, a slider that is connected to the door and slides in contact with the sliding surface and slides inward and outward, and A first link that is swingably connected to the distal end portion of the expansion device and the support member, and a second link that is swingably connected to the distal end portion of the expansion device and the door, respectively. An opening shielding device.   2. The opening shielding apparatus according to claim 1, wherein the door is a sliding door and is loaded on the wheel. The door includes a plate-like door main body that shields the opening, and a plurality of attachment pieces that are arranged inside the door main body and attach the door pressing means and the support member to the door main body. And
The said packing is attached to the outer side surface of the said door, The said wheel, the said guide rail, the said door pressing means, and the said supporting member are arrange | positioned inside the said door main body, The Claim 1 or Claim characterized by the above-mentioned. 2. The opening shielding device according to 2. The telescopic device has a base end portion that is swingably connected to the mounting piece and has a distal end extending downward.
The first link has a proximal end portion that is swingably connected to a distal end portion of the telescopic device, and a distal end side that is inclined inwardly downward, and the distal end portion is swingably connected to the support member,
The second link has a proximal end portion that is swingably connected to a distal end portion of the telescopic device, a distal end side that extends obliquely downward and outward, and a distal end portion that is swingably connected to the door. The opening part shielding apparatus of Claim 3 characterized by the above-mentioned.   The wheel is formed in a columnar shape, and has an outer diameter at a central portion in the axial direction smaller than an outer diameter at both ends, and the guide rail is sandwiched between the both ends. The opening shielding device according to any one of claims 2 to 4, wherein the opening shielding device travels above.

Images