JP6587866B2 - Overhead door - Google Patents

Description

The present invention relates to an overhead door, and more particularly to an overhead door having waterproof performance.

Overhead doors are known as fittings that are installed in openings that connect the outdoors and indoors of buildings such as warehouses and garages, and are designed to take into account wind pressure and rain, but are waterproof (especially water pressure) Is not taken into account.

In recent years, the inside of buildings has been flooded frequently due to guerrilla heavy rain and the like, and the number of scenes where waterproof performance is required even for overhead doors is increasing. However, the overhead door has a structure in which both ends of the panel in the width direction of the outdoor side surface of the panel and the casing face each other with a gap in order to prevent contact between the panel and the casing when the door body is opened and closed. If the water level on the outdoor side becomes high due to the above, water intrusion into the indoor side will be invited from this gap.

Patent Document 1 discloses a water stop device for an overhead door, but when the opening is fully closed, the door press angle is pressed to the outdoor side by the operating arm, and the lower end portion and the left and right end portions of the lowermost door panel are disclosed. It is necessary to prepare a separate member that is used only for the water stop device, and operation of the operating arm is required after the opening is fully closed to obtain a water stop structure. It becomes.
Japanese Patent Publication 4-33352

The present invention provides an overhead door that exhibits waterproof performance simultaneously with a fully closed state in a normal closing operation, and in particular, an overhead door characterized by a waterproof structure in the left and right side portions of the fully closed door body. Is intended to provide.

The technical means adopted by the present invention are:
A door formed by connecting a plurality of panels having an outdoor side surface portion and an indoor side surface portion in the height direction so as to be rotatable with respect to each other;
A first guide surface far from the outdoor side and a second guide surface near the outdoor side, a guide rail for guiding guide rollers provided at both ends in the width direction of each panel;
In overhead doors with
In the fully closed state, both ends in the width direction of the outdoor side surface portion of each panel and the housing are spaced apart from each other with a gap therebetween,
The casing is provided with sealing means at least a predetermined height from the floor surface in the gap.
A convex portion is formed on the first guide surface of the guide rail at a height at which the guide roller of the lowest panel is located in the fully closed state. The lowermost panel moves to the outdoor side via the pressed guide roller, the sealing means is in a compressed state, and the gap corresponding to the lowermost panel is sealed.
An overhead door.

In one aspect, the lowermost panel includes an upper guide roller and a lower guide roller,
In the fully closed state, a convex portion is formed at a height where the upper guide roller and / or the lower guide roller is located.
In an embodiment described later, the first guide surface is formed with two convex portions corresponding to the upper guide roller and the lower guide roller, that is, the upper convex portion and the lower convex portion, respectively. Yes.

In one aspect, the sealing means comprises
A first sealing material extending in the height direction;
A second sealing material provided over a predetermined height from the floor surface;
With
In the fully closed state, at least a portion of the first seal material is located in the gap and is in contact with the widthwise end of the outdoor side surface portion of the panel,
In the fully closed state, the second sealing material is in a compressed state between the first sealing material and the housing, and the lower portion of the gap is the outdoor side surface portion of the lowest panel, the first sealing material The second sealing material and the casing are closed by overlapping, and the movement of the lowermost panel to the indoor side is caused by the guide roller being formed on the convex portion formed on the first guide surface of the guide rail. It is regulated by contact.
In one aspect, the frame is provided with a frame extending in a height direction so as to support the guide rail,
The sealing means includes
A first seal member provided in the frame and extending in a height direction;
In the gap, the second sealing material that is located between the first sealing material and the first side of the frame body and is provided on the first side over a predetermined height from the floor surface;
Consists of.
In one aspect, the first sealing material is a fin-like sealing material having elasticity, and is formed of, for example, resin or hard rubber.
In the first sealing material, at least a portion in contact with both end portions in the width direction of the outdoor side surface portion of each panel has a high slidability (sliding property).
In one aspect, the second sealing material is a block-like sealing material having elasticity, and is formed of, for example, foam rubber, more specifically, EPDM rubber foam. The second sealing material may have a sheet-like shape or a laminated structure of thin sheets.
Further, the first sealing material and the second sealing material may be connected. In this case, the first sealing material and the second sealing material are always in close contact.

In one aspect, the frame includes a first side connected to the housing, and a second side extending from the first side toward the indoor side,
The gap is formed between the first side and both widthwise ends of the outdoor side surface of each panel,
The second sealing material is provided on the first side and is in a compressed state between the first side and the first sealing material by a pressing force to the outside of the lowest panel.
In one aspect, the guide rail is attached to the second side.
In the embodiment described later, the second side is composed of two members (the second side 61 of the support frame 6 and the support plate 7), and the guide rail is attached to the support plate.

In one aspect, the first guide surface and the second guide surface of the guide rail are gently inclined outward toward the outdoor side,
In the fully closed state, the convex portion and the inclination of the guide rail cooperate to guide the guide roller of the lowest panel to the outdoor side, so that the lowest panel moves to the outdoor side and the second The sealing material is in a compressed state.

In one aspect, the bottom watertight member which can be elastically deformed over the width direction is provided at the lower end of the lowest panel, and in the fully closed state, the bottom watertight member is elastically deformed and is in close contact with the floor surface.
In one aspect, a water-tight block is provided in the outdoor portion of the bottom water-tight member so as to face the gap, and in the fully closed state, the water-tight block is moved along with the elastic deformation of the bottom water-tight member. Close contact with the first seal.
In one aspect, below the gap, on the floor surface, a watertight block is provided between the lower part of the first sealant and the bottom watertight member, and in the fully closed state, With the elastic deformation of the bottom water-tight member, the water-tight block and the bottom water-tight member, and the water-tight block and the first seal material are in close contact with each other. In one aspect, the watertight block is provided on the floor surface in contact with the first sealing material in a state where the second sealing material is compressed.

In the present invention, in the fully closed state, the second sealing material is in a compressed state between the first sealing material and the housing, and the space corresponding to the lowest panel in the gap is the lowest panel. And the first sealing material, the second sealing material, and the casing are closed by overlapping, and the outdoor side surface portion of the lowest panel and the first sealing material are in close contact with each other and the first sealing material. The close contact state of the second sealing material is maintained, so that the portion corresponding to the lowest panel is sealed in the gap.
In the fully closed state, the movement of the lowermost panel to the indoor side is restricted by the guide roller coming into contact with the convex portion formed on the first guide surface of the guide rail, and the lowermost panel is moved to the lowermost panel. The corresponding sealed state of the gap is maintained.

  In the present invention, the door body is fully closed, and at the same time, the sealed state of the gap corresponding to the lowest panel is obtained.

It is the front view which looked at the overhead door in a fully closed posture from the indoor side. It is a side view of the overhead door in a fully closed posture. It is a figure which shows the support structure and attachment structure of a guide rail. It is a side view including the lowest panel of the overhead door in a fully closed posture. It is a cross-sectional view in the lowest panel of the overhead door in the fully closed posture. It is the elements on larger scale of FIG. It is a side view including the lowest panel of the overhead door just before becoming a fully closed posture. It is a cross-sectional view in the lowest panel of the overhead door immediately before the fully closed posture. The other watertight structure of the lower end part of the lowest panel is shown.

FIG. 1 is a front view of an overhead door in a fully closed position as viewed from the indoor side, FIG. 2 is a side view of the overhead door in a fully closed position, and the door body of the overhead door has a plurality of horizontally long rectangular shapes. The panel 1 is configured to be connected to each other in a vertical direction via a hinge 2 so as to be rotatable. Guide rollers 3 are rotatably provided at both ends in the width direction of each panel 1, and the door body is lifted and lowered by the left and right guide rollers 3 of each panel 1 being guided by the left and right guide rails 4, respectively. Open and close building openings.

The guide rail 4 includes a first portion 40 that extends in the height direction of the opening, a curved second portion 41 that extends rearward from the upper portion of the first portion 40 toward the indoor side, and a rear portion of the second portion 41. And a third portion 42 extending rearward along the ceiling CL. The first portion 40 is gently inclined toward the indoor side from below to above. The third portion 42 is gently inclined upward toward the indoor side.

In the fully closed state of the opening, each panel 1 (excluding the uppermost panel 1) is positioned at the first portion 40 of the guide rail 4 so that the plurality of panels 1 are in a substantially vertical posture to close the opening. Yes. From the fully closed state of the opening, each panel 1 is pulled up from a substantially vertical posture to a substantially horizontal posture located at the third portion 42 (the lowest panel 1 is located at the curved portion 41), and the door body is in the indoor space. It becomes the attitude | position extended in the horizontal direction along the ceiling CL, and will be in an opening part full open state.

A rotating shaft 18 having a balance spring 17 is disposed above the opening, and the other end of the winding wire 20 having one end fixed to a drum 19 that is pivotally supported at both ends of the rotating shaft 18, respectively. The door body in the fully closed position is urged in the opening direction (upward) by the urging force in the winding direction of the balance spring 17 respectively connected to the left and right ends of the lowest panel 1.

The overhead door according to the present embodiment is an electric type, and the electric opening / closing mechanism includes an opening / closing device 22, a trolley rail 23, and a connecting arm 24, and the upper end of the connecting arm 24 is movable on the trolley rail 23. The door body is moved by starting the uppermost panel 1 by moving the connecting arm 24 by the opening / closing device 22. In FIG. 2, the movement trajectory of the door body when moving in the fully open direction is indicated by a solid line 1 ′. In addition, the drive structure of the above-mentioned overhead door is only an example, and does not limit the content of the present invention.

The guide rail 4 (first portion 40) is supported in a take-out form from the inner surface 50 of the housing 5 on the left and right sides of the opening via a support frame 6 and a support plate 7 that extend vertically over almost the entire height of the opening. Yes. As shown in FIGS. 3, 5, and 8, the guide rail 4 has a substantially C shape in a sectional view, and more specifically, a concave first guide surface 43 and a planar second guide surface. 44 and a side portion 45 connecting the first guide surface 43 and the second guide surface 44. In the illustrated embodiment, the first guide surface 43 is located on the indoor side (the side far from the inner surface 50 of the housing 5), and the second guide surface 44 is located on the outdoor side (the side closer to the inner surface 50 of the housing 5).

The support frame 6 is a long member having an L shape in sectional view from the first side 60 and the second side 61, and is connected to the housing 5 so that the outer surface of the first side 60 overlaps the inner surface 50 of the housing 5. Is done. Although the connection means to the housing 5 of the first side 60 is not limited, a watertight structure is formed by providing a sealing material between the outer surface of the first side 60 and the inner surface 50 of the housing 5. In the embodiment shown in FIG. 3, a rubber elastic member 9 ′ is bonded to the outer surface of the first side 60 of the support frame 6, is compressed and adhered to the inner surface 50 of the housing 5, and is fixed with screws (not shown). As a material of the elastic member 9 ′, EPDM rubber foam is exemplified, and as an example, EPT SEALER (registered trademark) can be mentioned. The outer surface of the first side 60 of the support frame 6 may be welded to the inner surface 50 of the housing 5. In this case, a watertight structure can be formed by providing a caulking material as a sealing material.

In a state where the first side 60 is connected to the inner surface 50 of the housing 5, the second side 61 extends perpendicularly to the inner surface 50 of the housing 5 toward the indoor side. The support plate 7 is connected to the outer surface of the second side 61 in surface contact. The indoor side portion 70 of the support plate 7 extends to the indoor side beyond the end of the second side 61, The side portion 45 of the first portion 40 of the guide rail 4 is in surface contact with the inner surface of the inner portion 70 and is connected by a screw 71. In the present embodiment, the support frame 6 and the support plate 7 are composed of separate members, but they may be integrally formed.

The panel 1 includes an outdoor side surface portion 10, an indoor side surface portion 11, and left and right side surfaces 12, and vertical ridges 13 are provided at both ends in the width direction of the panel 1. The vertical rod 13 is made of a substantially U-shaped plate material in cross section, and includes a first side 130 that is in close contact with the outdoor side surface portion 10 of the panel 1, a second side 131 that is in close contact with the indoor side surface portion 11 of the panel 1, and the panel 1. The second side 131 has a width dimension larger than that of the first side 130. The width dimension of the first side 130 is such that the first side 130 positioned on the outdoor side at both ends in the width direction of the panel 1 is always in contact with the sealing material 8 when the door body is opened and closed (the panel 1 can be displaced in the opening width direction). It is the dimension which maintains. Further, the width dimension of the first side 130 and the second side 131 may be the same.

A sealant (not shown) is provided on the joint surface between the inner surface of the outdoor side half of the first side 130 and the third side 132 of the vertical rod 13 and the outdoor side half of the outdoor side surface 10 and the side surface 12 of the panel 1. )). A plurality of concave portions 100 are formed in the width direction in the outdoor side surface portion 10 at intervals in the height direction, but a sealing material (standard, non-standard) is formed in the gap between the first side 130 of the vertical rod 13 and the concave portion 100. This gap is closed by filling with any shape.

As shown in FIGS. 5 and 8, both end portions in the width direction of the outdoor side surface portion 10 of the panel 1 (that is, the first side 130 of the vertical rod 13) are separated from each other by the inner surface 50 of the housing 5, in this embodiment. The first frame 60 is opposed to the first side 60 of the support frame 6. In this gap, as will be described later, a fin-shaped sealing material 8 extending almost over the height of the opening of the building, and a block-shaped seal (easily compressible and deformable) extending over the height of the lowest panel 1. A material 9 is provided.

In the lower part of the interior side surface 11 of the lowest panel 1 in the width direction (that is, the second side 131 of the vertical wall 13) and the side surface 12 (that is, the third side 132 of the vertical wall 13), A to-be-connected member 14 having an L shape in cross section is provided so as to abut. The first side 140 of the connected member 14 is in contact with the second side 131, and the second side 141 is in contact with the third side 132. A wire connecting portion 21 is provided on the second side 141 of the connected member 14, and a wire (not shown in FIGS. 5 and 8) is connected thereto.

A bracket 15 having a U-shaped cross-sectional view is fixed to the first side 140 of the connected member 14. The bracket 15 includes a first side 150 and a second side 151 facing each other, and a third side 152 connected to the first side 140, and the roller shaft 30 is supported between the first side 150 and the second side 151. The tip of the roller shaft 30 extends beyond the second side 151 and the side surface 12 of the panel 1 (the third side 132 of the vertical rod 13), and the guide roller 3 is rotatably supported at the tip. ing. The guide roller 3 and the roller shaft 30 except for the lowest-order guide roller 3 and the highest-order guide roller (the description is omitted because it is a known configuration) are supported by a roller bracket 14 ′ connected to the hinge 2. The support structure of the guide roller 3 is not limited to the illustrated mode.

The distance between the inner surfaces of the first guide surface 43 and the second guide surface 44 of the guide rail 4 is larger than the diameter of the guide roller 3, and the guide roller 3 is received by the guide rail 4 with a clearance (play). ing. That is, when the guide roller 3 is in contact with the inner surface of the first guide surface 43, a gap is formed between the guide roller 3 and the inner surface of the second guide surface 44 (see FIGS. 5 and 8).

As described above, the guide roller 3 provided on the roller shaft 30 protruding beyond the side surface 12 from the widthwise end portion of the indoor side surface portion 11 of the panel 1 is received in the first portion 40 of the guide rail 4. A gap is formed between one outdoor side surface portion 10 (first side 130) and the inner surface 50 (first side 60) of the housing 5, but the guide roller 3 is connected to the first portion 40 of the guide rail 4. By abutting against the first guide surface 43, the expansion of the gap is restricted even when the panel 1 is pressed indoors by the water pressure generated on the outdoor side. Further, the gap is larger than the clearance between the guide roller 3 and the guide rail 4, and even when the guide roller 3 abuts on the second guide surface 44 of the first portion 40 of the guide rail 4, the first gap The side 130 does not contact the first side 60. A space is formed between the side surface 12 (the third side 132 of the vertical rod 13) and the second side 61 of the panel 1, and a wire (not shown in FIGS. 5, 8, and 10) is formed using this space. Z) extends in the height direction.

The support frame 6 is provided with a fin-shaped sealing material 8 extending along the inner surface of the first side 60 in the height direction. In the present embodiment, the lower end of the sealing material 8 reaches the floor surface FL. The sealing material 8 has a square shape in a sectional view from the first portion 80 on the distal end side and the second portion 81 on the proximal end side, and the distal end is located at the end portion of the first side 60. The ends are located at the corners of the support frame 6 having an L shape in cross section. A seal material support portion 82 is provided on the inner surface of the second side 61 of the support frame 6 in the height direction, and the seal material support portion 82 is positioned at a corner of the support frame 6 having an L shape in cross section. Thus, an engaged groove 83 is formed, and the base end of the sealing material 8 is engaged with the engaged groove 83. In the present embodiment, the proximal end side of the sealing material 8 is supported by the sealing material support portion 82 provided on the second side 61, but the proximal end side of the sealing material 8 is supported by the first side 60 (for example, the first side 60). May be supported from a sealing material support portion (not shown).

When the door body is opened and closed and in the fully closed state, the widthwise end portion of the outdoor side surface portion 10 of the panel 1, specifically, the first side 130 of the vertical rod 13 comes into sliding contact. In addition, the seal material 8 is formed of an elastic member, and at least a portion in contact with the first side 130 of the vertical rod 13 has characteristics excellent in slidability (slidability). Examples of the elastic member that forms the sealing material 8 include synthetic resin and rubber.

A block-shaped sealing material 9 made of an elastic member is provided at the front end side of the first side 60 of the support frame 6 in a lower part in the height direction (a part located at the full height of the lowest panel 1 in the fully closed state). It is provided. The lower end of the sealing material 9 reaches the floor surface FL, and the upper end reaches the upper end of the lowest panel 1 (the upper end of the vertical rod 13) in the door body fully closed posture. Since the height of the panel 1 is higher than the assumed water level of 300 mm, it is possible to cope with at least the assumed water level by forming a watertight structure over the entire height of the lowest panel 1 in the fully closed posture from the floor surface FL. it is conceivable that. In this embodiment, the height dimension of the sealing material 9 substantially matches the height dimension of the lowest panel 1, but the sealing material 9 may be the lowest panel 1 depending on the height dimension of the panel and the assumed water level. It may extend upward beyond the upper end of the bottom panel or may have a height dimension lower than the height dimension of the lowest panel 1. That is, the height dimension of the sealing material 9 is set to a height that can exhibit an effective waterproof function with respect to the assumed water level.

In the illustrated embodiment, the sealing material 9 has a cross-sectional shape with a predetermined thickness, and the first surface (surface close to the outdoor side) is tightly fixed to the inner surface of the first side 60 (for example, adhesive) The first surface (surface near the outdoor side) of the first portion 80 of the sealing material 8 is in contact with the second surface (surface far from the outdoor side, that is, the surface close to the indoor side). Yes. The sealing material 9 is sandwiched between the first side 60 and the first portion 80 of the sealing material 8.

Examples of the material of the elastic member forming the seal material 9 include foamed rubber having a semi-closed cell structure or a closed cell structure, and more specifically, EPDM rubber foam (closed cell or semi-closed cell). And EPT SEALER (registered trademark) can be mentioned as a specific example.

As shown in FIG. 3, the sealing material 9 has a square shape in cross section before being assembled. However, when the sealing material 9 is assembled as an overhead door, it is compressed to some extent even during opening and closing before the fully closed state. (See FIG. 8). Specifically, in the gap between the both ends in the width direction of the outdoor side surface portion 10 of the panel 1 (the first side 130 of the vertical rod 13) and the inner surface 50 of the casing 5 (the first side 60 of the support frame 6), The first portion 80 of the sealing material 8 and the sealing material 9 are located, the first surface of the sealing material 9 is bonded to the first side 60, and the second surface of the sealing material 9 is bonded to the second surface of the sealing material 8. The first surface of the first portion 80 is in close contact with the second surface of the first portion 80, and the first side 130 of the vertical rod 13 is in contact with the sealing material 8 and the sealing material 9. . As is clear from comparison of FIG. 8 with FIGS. 5 and 10, the seal material 9 is further compressed in the fully closed state.

A lower portion of the first portion 40 of the guide rail 4, specifically, at a height position corresponding to the upper and lower guide rollers 3 of the lowermost panel 1 of the fully closed door body, A convex portion 16 is provided on the inner surface. The convex portion 16 has a protruding size and shape that do not hinder the smooth running of the guide roller 3 when the door body is opened and closed. The material of the convex portion 16 is not limited as long as it can maintain its shape without being easily deformed even when stress is applied, but is made of, for example, hard resin or metal. In the illustrated embodiment, the convex portion 16 is formed from an integral block. However, the convex portion 16 may be formed by stacking a plurality of thin plates, so that the number of the thin plates can be selected. The protrusion dimension of the convex part 16 can be adjusted.

In the illustrated embodiment, the convex portion 16 includes an upper inclined surface 160, a lower inclined surface 161, and a central vertical surface 162. The upper inclined surface 160 and the lower inclined surface 161 function as guide slopes that reduce resistance when the guide roller 3 rides on the convex portion 16 or climbs over the panel 1 when the panel 1 is lowered or raised. In the lower convex portion 16, the lower inclined surface 161 may not be provided. The shape of the convex portion 16 is not limited to the shape of the trapezoidal shape in side view, and may be, for example, a triangular shape in side view from the upper inclined surface and the lower inclined surface.

In the fully closed posture, as shown in FIG. 4, the upper guide roller 3 of the lowest panel 1 rides on and contacts the vertical surface 162 of the upper convex portion 16, and the lower guide roller 3 is in the lower side. Riding on and contacting the vertical surface 162 of the convex portion 16, the lowermost panel 1 is pressed to the outdoor side by the thickness of the convex portion 16, and as shown in FIG. The sealing material 9 sandwiched between the distal end portions of the first side 60 is compressed to be thin. The width direction end portion (the first side 130 of the vertical rod 13) of the outdoor side surface portion 10 of the lowest panel 1 and the second surface (the surface far from the outdoor side) of the first portion 80 of the sealing material 8 are in close contact with each other. The first surface (surface near the outdoor side) of the first portion 80 of the sealing material 8 and the second surface (surface far from the outdoor side) of the sealing material 9 are in close contact. In this way, the gap between the first side 60 of the support frame 6 and the widthwise end portion (the first side 130 of the vertical rod 13) of the outdoor side surface portion 10 of the lowermost panel 1 by the sealing materials 8 and 9. Is sealed.

At this time, since the indoor side portion of the guide roller 3 is in contact with the convex portion 16, even if water pressure acts on the outdoor side surface portion 10 of the lowermost panel 1 from the outdoor side, the outdoor side surface portion 10 of the lowermost panel 1. The gap between (the first side 130 of the vertical rod 13) and the inner surface 50 of the casing 5 (the first side 60 of the support frame 6) does not widen, and the sealing material 9 remains in a compressed state while maintaining a compressed state. Is secured. Similarly, the contact state between the front end side portion (second surface of the first portion 80) of the sealing material 8 and the outdoor side surface portion 10 (first side 130 of the vertical rod 13) of the lowest panel 1, the front end of the sealing material 8. The close contact state between the side portion (the first surface of the first portion 80) and the second surface of the sealing material 9 is maintained, and a watertight structure is secured.

In the illustrated embodiment, the upper convex portion 16 and the lower convex portion 16 are provided corresponding to the upper guide roller 3 and the lower guide roller 3, respectively. However, the upper convex portion 16 and the lower convex portion 16 are provided. Even if one of the portions 16 is provided, the degree of compression of the sealing material 9 is slightly lower than that provided with the convex portions 16 above and below, but the first side 60 of the support frame 6 and the lowermost panel 1 A watertight structure can be obtained by sealing the gap between the end portion in the width direction of the outdoor side surface portion 10 (the first side 130 of the vertical rod 13).

As shown in FIGS. 4, 7, and 9, a bottom watertight member 25 that can be elastically deformed, that is, a weather strip, is provided at the lower end of the lowest panel 1. In the fully closed state, the bottom watertight member 25 is elastically deformed. In close contact with the floor surface FL, a watertight structure at the lower end of the lowest panel 1 is ensured (actually, the bottom watertight member 25 is pressed and deformed more than shown in FIGS. 4 and 9). The bottom watertight member 25 is formed from an elastic member such as rubber or elastic resin. The shape and configuration of the bottom watertight member 25 are not limited to those illustrated.

FIG. 9 shows another watertight structure of the lower end portion of the lowest panel 1. A first watertight block 26 having a triangular shape in cross section is provided at both ends of the bottom watertight member 25 in the lengthwise direction at the outdoor portion of the bottom watertight member 25, and faces the lower portion of the sealing material 8. The first watertight block 26 is made of an elastic member such as a rubber material, and is made of, for example, chloroprene rubber.

On the floor surface FL, a second watertight block 27 having a triangular shape in cross section is provided so as to be in contact with the lower portion of the sealing material 8. The second watertight block 27 is installed so as to come into contact with the sealing material 8 with the lower portion of the sealing material 9 compressed through the sealing material 8. In the illustrated embodiment, the second watertight block 27 includes a main body 270 formed from expanded polystyrene or expanded polystyrene, and an elastic layer 271 formed of expanded rubber (for example, EPDM rubber foam) having an inclined surface. .

Actually, in the fully closed state, the bottom watertight member 25 is further compressed and deformed from the form shown in FIG. 9, and the outdoor portion of the bottom watertight member 25, the inclined surface of the first watertight block 26, and the second watertight block 27 The inclined surface (elastic layer 271) and the lower part of the sealing material 8 are in close contact with each other to provide a watertight structure. The shape of the first watertight block 26 is not limited to the illustrated shape as long as it does not hinder the opening and closing of the door body and can form a good sealed state in the fully closed state. The shape of the second watertight block 27 is not limited to the illustrated shape as long as it can form a good sealed state in the fully closed state.

DESCRIPTION OF SYMBOLS 1 Panel 3 Guide roller 4 Guide rail 40 1st site | part 43 1st guide surface 44 2nd guide surface 6 Support frame 60 1st edge | side 8 Seal material 9 Seal material 13 Vertical hook 130 1st edge | side 16 Convex part

Claims (2)

A door formed by connecting a plurality of panels having an outdoor side surface portion and an indoor side surface portion in the height direction so as to be rotatable with respect to each other;
A first guide surface far from the outdoor side and a second guide surface near the outdoor side, a guide rail for guiding guide rollers provided at both ends in the width direction of each panel;
In overhead doors with
In the fully closed state, both ends in the width direction of the outdoor side surface portion of each panel and the housing are spaced apart from each other with a gap therebetween,
The casing is provided with sealing means at least a predetermined height from the floor surface in the gap.
A convex portion is formed on the first guide surface of the guide rail at a height at which the guide roller of the lowest panel is located in the fully closed state. The lowest panel moves to the outdoor side via the guide roller that is pressed ,
The sealing means includes a first sealing material extending in a height direction, and a second sealing material provided over a predetermined height from the floor surface,
In the fully closed state, at least a portion of the first seal material is located in the gap and is in contact with the widthwise end of the outdoor side surface portion of the panel,
In the fully closed state, the second sealing material is in a compressed state between the first sealing material and the housing, and the lower portion of the gap is the outdoor side surface portion of the lowest panel, the first sealing material , The second sealing material, the casing is closed by overlapping,
Movement of the lowermost panel to the indoor side in the fully closed state is restricted by the guide roller coming into contact with the convex portion formed on the first guide surface of the guide rail, By maintaining the close contact state between the outdoor side surface portion and the first seal material and the close contact state between the first seal material and the second seal material, a portion corresponding to the lowest panel is sealed in the gap. ,
Overhead door. The lowermost panel includes an upper guide roller and a lower guide roller,
In the fully closed state, a convex portion is formed at a height at which the upper guide roller and / or the lower guide roller is located.
The overhead door according to claim 1.

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