JP7050259B1 - Water-stop structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a waterproof structure for easily and surely preventing water intrusion from a corner of a combination of double doors formed in entrances and exits and passages inside and outside a building. SOLUTION: In the waterproof structure 1 according to the present invention, a block-shaped combined convex portion 65 having a pedestal shape with a substantially horizontal view is formed at a corner portion of a door tip of a first door a1 so that the tip is reduced outward. Along with projecting along the horizontal side edge of the first door a1, the combined convex portion 65 is arranged so as to extend beyond the door tip to the side of the second door a2, and the horizontal frame Fh of the door frame F is arranged. The door stop Fhb has a door stop seal portion 85 formed of a sealing material that is elastically deformed while forming a door stop recess 81 having a concave shape such as a pedestal shape that is substantially fitted with the combined convex portion 65. It is characterized by being formed on the side surface. [Selection diagram] Fig. 1

Description

The present invention relates to a waterproof structure for preventing water from entering from the corners of a combination of double doors formed in entrances and exits and passages inside and outside a building.

Conventionally, in the event of a disaster such as a flood, storm surge, or tsunami caused by heavy rain, if the entrances and passages that are openings inside and outside the building are flooded, water will infiltrate the building, and if it is a living space or public facility, living on the spot. And activities become impossible, and if it is a store or warehouse, the displayed products and inventory will be flooded and will be seriously damaged.

In recent years, heavy rainfall in a short period of time due to climate change has tended to occur frequently regardless of the region. In particular, electrical equipment and machinery installed at power plants and their relay bases, which are the main axis of infrastructure, to control the supply of electricity. Inundation of important equipment such as the electric room and machine room where the electricity is stored is directly linked to the interruption of the electricity supply, which not only has a great impact on daily life, but is also a major obstacle to the subsequent restoration work. Therefore, disaster prevention measures against flood damage have become an urgent issue.

So far, various measures against flooding inside and outside the building have been devised, and many technologies related to waterproof doors have also been devised. However, due to the structure of the double door, it is very difficult to completely stop the water at the combination of the doors, and in particular, the technology to prevent the launch from the corner of the combination of the two doors has not been established. is the current situation.

In such a situation, for example, in the double door device disclosed in Patent Document 1, a pair of doors pivotally attached to the door frame on the hanging side is provided at the opening of the door frame so that one door can be opened and closed. A combination member is provided in the vertical direction on the door end side of the door, a combination seal member is provided on either the combination member or the door end side of the other door, and the combination of one door is combined via the combination seal member. A double door that crimps the member and the door end side of the other door to bring the door end side of both doors into close contact, provides a sealing member on either the door or the door frame, and crimps both to seal the opening. In the device, the other door is a front-opening door, the combination seal member is provided in the vertical direction on the door end side of the front-opening door, and one door provided with the combination member is a rear-opening door. The sealing member is provided on the vertical frame and the horizontal frame constituting the frame so that the edges of the pair of doors are crimped to each other. It is designed to be sealed by being sandwiched between the door and the combined seal member.

That is, it is intended to provide a double door device having a high airtightness by improving the airtightness between the door and the door frame at both ends in the vertical direction of the mating portion with a simple structure.

Japanese Unexamined Patent Publication No. 2011-0943332

Certainly, the double door device according to Patent Document 1 is superior in that it can be provided at a lower cost than a large-scale waterproof door because the number of constituent members is relatively small and the airtightness can be improved with a simple structure.

However, the sealing of the mating part on the door end side of both doors is such that the sandwiched part (partly made of the mating sealing member) having a horizontally long planar cross-sectional view is substantially rectangular, and the vertical side surface of the sealing member having no unevenness. It is difficult to press the sandwiched portion protruding outward while uniformly deforming the sealing member to the extent that water can be stopped.

That is, since the contact area between the front surface of the sandwiched portion and the vertical side surface of the seal member is narrow, the variation in the pressing force on both doors when the lid is closed greatly affects the deformation of the seal member. A gap is likely to occur between the seal member and the seal member, which has a problem in water stopping performance.

Further, since the sandwiched portion has a substantially rectangular shape in a plan cross-sectional view, it has a right-angled corner portion, and the corner portion presses the seal member while contacting the seal member during the lid closing operation. As a result of non-uniform deformation of the sealing member due to the concentration of stress on the corner portion, a gap is likely to occur between the sandwiched portion and the sealing member, which causes a problem in water stopping performance.

The present invention has been made in view of the above circumstances, and is a stop that easily and surely prevents water from entering from the corners of the combination of double doors that are formed in the entrances and exits and passages inside and outside the building. To provide a water structure.

In order to achieve the above object, the present invention provides the following.

In the invention according to claim 1, the door frame is formed inside the outward-opening double door that can be opened and closed via a hinge on the left and right hanging sides of the door frame, and is formed at the corner of the combination of the first door and the second door. It has a water-stop structure that allows water to be stopped from the outside, and a block-shaped combined convex part with a pedestal shape such as a horizontal view is outward at the corner of the door tip of the first door. Is projected along the horizontal side edge of the first door so that the tip is reduced, and the combined convex portion is arranged so as to extend beyond the door tip to the side of the second door. A door stop seal made of a sealing material that is elastically deformed while forming a door stop recess having a pedestal-shaped concave shape such as a plan view that substantially fits with the combined convex portion on the door stop of the horizontal frame of the door frame. It is intended to provide a waterproof structure characterized in that the portion is formed on the inner surface.

The first aspect of the present invention according to claim 1, wherein the door stop seal portion at a portion corresponding to the left and right corners of the door stop recess is formed so as to be curved outward. It does not provide a waterproof structure.

The stop according to claim 1 or 2, wherein in the invention according to claim 3, the door stop seal portion is formed so as to continuously extend to the left and right ends of the door stop of the horizontal frame. It does not provide a water structure.

According to any one of claims 1 to 3, the invention according to claim 4 is characterized in that the combined convex portion is formed on the outer surface of a combined fitting seal portion made of an elastically deformable sealing material. The described waterproof structure is not provided.

The invention according to claim 5 is characterized in that the combined convex portion forms a combined water blocking portion that accommodates a sealing material that elastically deforms by notching a rear side surface that abuts on the second door. The waterproof structure according to any one of claims 1 to 4 is not provided.

According to the invention of claim 1, at the corner of the door tip of the first door, a block-shaped combined convex portion having a pedestal shape such as a plan view is provided so that the tip of the first door is reduced outward. Along with projecting along the horizontal side edge, the combined convex part is arranged so as to extend beyond the door tip to the side of the second door, and the combined convex part is placed on the door stop of the horizontal frame of the door frame. By forming a door stop recess that is concave in the shape of a pedestal such as a plan view that roughly fits with the part, and by forming a door stop seal part made of a sealing material that elastically deforms on the inner surface, it can be combined when the lid is closed. Since the contact area between the convex part and the door stop seal part of the door stop concave part is wide, even if the pressing force on the first door and the second door at the time of closing the lid varies, the deformation of the door stop seal part is greatly affected. Since there is no need to do so, high water stopping performance can be achieved.

In addition, during the lid closing operation, the combined convex portion and the door stop seal portion of the door stop concave portion come into contact with each other without inadvertent contact and are substantially fitted, so that unintended stress concentration does not occur on the door stop seal portion. Therefore, high water stopping performance can be achieved by uniform deformation of the door stop seal portion.

According to the second aspect of the present invention, the door stop seal portion corresponding to the left and right corners of the door stop recess is formed so as to be curved outward, so that the combined convex portion is formed during the lid closing operation. It is possible to further avoid inadvertent contact with the door stop seal portion of the door stop recess, so that high water stopping performance can be achieved.

According to the third aspect of the present invention, the door stop seal portion is formed so as to continuously extend to the left and right ends of the door stop of the horizontal frame, so that the water blocking performance of the entire horizontal frame can be improved. Not only that, the door stop seal portion at the portion corresponding to the left and right corners of the door stop recess can be unintentionally formed so as to be curved outward.

According to the invention according to claim 4, since the combined convex portion is formed on the outer surface of the combined fitting seal portion made of an elastically deformable sealing material, the combined sealing portion and the door stop seal portion are formed when the lid is closed. The effect of the pressure on the first door and the second door when the lid is closed on the deformation of both seals is further suppressed, and the problem of stress concentration is unlikely to occur. High waterproof performance can be achieved.

According to the invention of claim 5, the combined convex portion is formed by forming a combined waterproof receiving portion containing a sealing material elastically deformed by notching the rear side surface in contact with the second door. It is possible to simultaneously achieve water stoppage in the gap between the first door and the second door at the corner of the ridge by the combined convex portion.

It is a perspective view of the inside of a double door which installed the water stop unit provided with the water stop structure which concerns on this embodiment. FIG. 1 is a perspective view of a double door showing a state in which both doors are slightly opened. FIG. 2 is a perspective view of a double door showing a state in which the combined convex portion and the lower door contact are removed. It is a perspective view of the outside of a double door which installed the water stop unit provided with the water stop structure which concerns on this embodiment. FIG. 1 is a front view of a double door showing a state in which a water-stopping convex portion of a rear water-stopping urging portion and a front water-stopping urging portion is shown by a broken line. 5 is a cross-sectional view taken along the line AA, a cross-sectional view taken along the line BB, and a cross-sectional view taken along the line CC of FIG. It is sectional drawing which showed the open-closed state of the door in the sectional view of line AA shown in FIG. (A) is a sectional view taken along line DD of FIG. 5, and (b) is a sectional view taken along line EE. (A) is a sectional view taken along line FF of FIG. 5, and (b) is a sectional view taken along line GG. (A) is a rear view of the combined convex portion, and (b) is a plan view. (A) is a simplified disassembled perspective view of the vicinity of the combined corner of the second door, (b) is a simplified disassembled perspective view of the vicinity of the combined corner of the first door, and (c) is a simplified disassembled perspective view of the lower door stop. It is a simple disassembled perspective view. It is explanatory perspective figure which showed the appearance of the water-stopping structure which concerns on this embodiment when a door is closed. (A) is an explanatory perspective view showing the appearance of the waterproof structure according to the present embodiment in which the second door is slightly opened, and (b) is the waterproof structure according to the present embodiment in which the first door is slightly opened. It is explanatory perspective view which showed the appearance of. It is a simple plan view explaining the main structure of the water stop structure which concerns on this embodiment. (A) and (b) are explanatory perspective views which showed the appearance of another waterproof structure which concerns on this Embodiment.

The gist of the waterproof structure according to the present invention is that the first door and the second door are combined by forming the inside of a double door that opens outward and can be opened and closed via a hinge on the left and right hanging sides of the door frame. It has a water-stop structure that allows water to be stopped from the outside at the corners, and the corners of the door tip of the first door have a pedestal-shaped block-shaped convex part outside. Along with projecting along the horizontal side edge of the first door so that the tip is reduced, the combined convex part is arranged so as to extend beyond the door tip to the side of the second door, and the door frame For the door stop of the horizontal frame, a door stop seal portion made of a sealing material that is elastically deformed while forming a door stop recess having a pedestal-shaped concave shape such as a plan view that substantially fits with the combined convex portion is formed on the inner surface. It is characterized by being formed. That is, it is intended to provide a water blocking structure that easily and surely prevents water from entering from the corners of the combination of the double doors formed in the entrances and exits and passages inside and outside the building.

Hereinafter, an embodiment of the waterproof structure 1 according to the present invention will be described with reference to the drawings. Further, in this description, the same or symmetrical structure or component will be given the same reference numerals, only one of the left and right will be described, and the description of the other will be omitted as appropriate.

Further, the left and right in the present description will be described with the right side of the paper as the right and the left side as the left with respect to the inner U of the double door A shown in FIG. That is, the first door a1 is located on the right side, and the second door a2 is located on the left side.

Further, the waterproof structure 1 according to the present invention will be described as a retrofit structure for easily and surely preventing water from entering from the corner K of the combination in the waterproof unit 100 retrofitted to the existing double door A for convenience. However, whether or not it is retrofitted is irrelevant to the waterproof structure 1 according to the present invention.

Further, the double door A will be described with the hinge T side pivotally connected to the vertical frame Fv as the hanging source and the combined side in which both doors a1 and a2 are close to each other as the door tip.

Further, the double door A according to this description is described as having a door frame F erected on the upper part of the floor surface G as shown in FIGS. 1 and 8A, but the floor surface G is described as having a door frame F erected. Construction status of existing double doors A, such as setting the height to the height of the lower horizontal frame Fh of the door frame F and setting the height to the height of the upper surface of the door stop Fhb placed on the lower horizontal frame Fh. The waterproof unit 100 may be installed according to the situation.

Further, the launching direction is the outside W (FIG. 4) of the double door A, and the unit will be described as a unit for preventing water from entering the inside (FIG. 1) where the water blocking unit 100 is installed.

Further, in the following description, the doorknob X formed on the double door A is not referred to, but in the present embodiment, the double door X having a rotatable grip ball is arranged on the front and rear surfaces of the second door a2. The explanation is omitted for the door A.

Although the doorknob is not arranged on the first door a1 in the drawing, the presence / absence and type of the doorknob X of both doors a1 and a2 are not particularly described because they depend on the existing double door A to be targeted.

Also, if the doorknob X attached to the existing double door A is not compatible with water stoppage, replace it with a commercially available doorknob that has been treated, or cover the entire doorknob with other members in a watertight manner. It is desirable to take proactive measures by sticking with waterproof tape, putting, etc.

As shown in FIGS. 1, 12, and the like, the waterproof structure 1 according to the embodiment of the present invention has an outward-opening double door that can be opened and closed via a hinge T on the left and right hanging side SLs and SRs of the door frame F. It is a waterproof structure 1 formed on the inner side U of the door A so as to freely stop the water from the outer side W at the corner K of the combination of the first door a1 and the second door a2, and the first door a1. At the corner of the door, a block-shaped combined convex portion 65, which has a pedestal shape such as a plan view, is projected along the horizontal side edge of the first door a1 so that the tip is reduced on the outside. The combined convex portion 65 is arranged so as to extend beyond the door tip to the side of the second door a2, and is substantially fitted to the combined convex portion 65 in the door stop Fhb of the horizontal frame Fh of the door frame F. A door stop recess 81 having a pedestal shape such as a substantially horizontal view is formed, and a door stop seal portion 85 made of a sealing material that elastically deforms is formed on the inner side surface.

Further, the door stop seal portion 85 at the position corresponding to the corner portions 86, 86 at the left and right ends of the door stop recess 81 is formed so as to be curved outward, and reaches the left and right ends of the door stop Fhb of the horizontal frame Fh. It is formed so as to continuously extend to.

Further, the combined convex portion 65 forms a combined waterproof receiving portion 71 that accommodates a sealing material that elastically deforms by notching a side surface that abuts on the second door a2.

The waterproof structure 1 configured in this way easily and surely prevents water from entering from the corner K of the combination, for example, as a part of the waterproof unit 100 that is retrofitted to the existing double door A as described above. The retrofitted waterproof structure can be described as follows.

As shown in FIGS. 1 to 4, the illustrated waterproof unit 100 is a double door A having an outward opening that can be opened and closed via a hinge T on the left and right hanging side S (SL, SR) of the door frame F. It is a water stop unit 100 that is retrofitted to the inner U to allow the water to be stopped from the outer W.

Then, the rear water stop urging portion 2 (2L, 2R, 2S) installed on the vertical side edge of the hanging source side SL of the second door a2, the vertical side edge of the door end side DL, and the lower horizontal side edge, and the second door. Front water stop urging portions 4 (4R, 4S) installed on the vertical side edge of the hanging side SR of one door a1 and the lower horizontal side edge, and near the door tip of the lower horizontal side edge. On the combination convex portion 65 according to the present embodiment, which is installed at the corner portion K of the combination and is arranged so as to extend beyond the door tip to the side of the second door a2, and the door stop Fhb juxtaposed to the horizontal frame Fh. The door stop recess 81 according to the present embodiment to be formed, the vertical frame water stop receiving portions 11 (11L, 11R) installed in the vertical frame Fv of the door frame F, and the vertical side side of the door end side DR of the first door a1. It is composed of a door water blocking unit 37 installed on the edge and a horizontal frame water blocking unit 23 installed on the door stop Fhb juxtaposed to the horizontal frame Fh.

As shown in FIG. 6, the rear water stop urging unit 2 and the front water stop urging unit 4 have a door connection base 6 in which a flat surface for connecting to each of the doors a1 and a2 is formed in the longitudinal direction of one side surface. On the other side surface of the door connection base 6, there is a water-stopping convex portion 7 having a convex portion 8 having a sharp tip formed continuously in the longitudinal direction, and the combined convex portion 65 is shown in FIGS. 10 (a) and 10 (a). b) As shown in FIG. 11 (b), bolts, bolt holes, etc. (not shown) are formed on the surface 69 forming the lower bottom for arrangement on the first door a1, and a water-stopping convex portion is formed on the rear side surface 70. A combination seal containing a vertical groove 72 that can accommodate the lower side of the door end seal material 42 that abuts on the 7 and elastically deforms, and a combination seal material 74 that abuts on the water-stopping convex portion 7 and elastically deforms. As shown in FIG. 11C, the door stop recess 81 has a combined water blocking portion 71 composed of a body 76, and the door stop concave portion 81 is a door made of a sealing material to which the combined convex portion 65 is substantially fitted and elastically deformed. As shown in FIG. 6, the vertical frame water stop receiving portion 11 having the hit seal portion 85 abuts against the vertical frame connecting base portion 12 connected to the vertical frame Fv and the water stop convex portion 7, and is elastically deformed. It has a vertical frame sealing portion 14 accommodating the frame sealing material 17, and the door water blocking receiving portion 37 is elastically deformed in contact with the door tip connecting base 38 connected to the first door a1 and the water blocking convex portion 7. The horizontal frame water blocking receiving portion 23 has a door tip sealing portion 40 accommodating the door tip sealing material 42, and the horizontal frame water blocking receiving portion 23 has a horizontal frame connecting base 24 connected to the door stop Fhb as shown in FIG. 8 (a). It has a horizontal frame sealing portion 26 accommodating a horizontal frame sealing material 30 that abuts on the water-stopping convex portion 7 and elastically deforms.

Here, FIG. 1 is a visual view from the inside of the water blocking unit 100 installed on the inside U of the closed double door A, and the vertical frame water blocking installed on the left and right vertical frames Fv. The receiving portion 11 (11L, 11R), the door stop recess 81 according to the present embodiment formed in the door stop Fhb juxtaposed to the lower horizontal frame Fh, and the vicinity of the door tip of the horizontal side edge of the first door a1. The combined convex portion 65 according to the present embodiment, which is arranged at the corner portion K of the combined portion, is located above the combined convex portion 65 and is installed on the vertical side edge of the door end side DR of the first door a1. It can be confirmed that the door water stop receiving portion 37 is exposed on the front surface.

Further, FIG. 2 shows a state in which both doors a1 and a2 are slightly opened from the state of FIG. 1 in which the lid is closed, and FIG. 3 is a combination convex with the door stop Fhb of the horizontal frame Fh in FIG. The state in which the portion 65 is removed is shown, and the door end sealing material 42 exposed from the lower end side of the door water stop receiving portion 37, which is covered with the combined convex portion 65 and cannot be visually recognized in FIGS. 1 and 2, is confirmed. be able to.

Further, FIG. 4 shows the closed outer opening double door A visually recognized from the outer side W. In the present embodiment, both doors a1 and a2 are urged from the outer side W to the inner side U to be locked and fixed. The rotary locking member 50 is formed so as to straddle a part of the lower horizontal side edges of both doors a1 and a2 and the opposite lower horizontal frame Fh.

With this configuration, the rear water stop urging unit 2, the front water stop urging unit 4, the door water stop receiving unit 37, and the combined convex portion 65 form a water stop unit 100 by retrofitting the existing double door A. Are installed on both doors a1 and a2, the vertical frame water stop receiving part 11 and the horizontal frame water stop receiving part 23 are installed on the door frame F side, and the door stop recess is provided in the door frame F (door stop Fhb of the horizontal frame Fh). By forming 81, it is possible to prevent water from entering from the double door A in the event of flood damage.

Moreover, as described above, since the structure is simple with few constituent members, the unit 100 can be provided at low cost.

In the description of the water stop unit 100, as shown in FIG. 1 and the like, the water stop unit 100 installed in the lower half of the double door A is mainly described, but the configuration is the same as that of the lower half. May be arranged symmetrically in the upper half portion so that the entire double door A can be stopped by water.

Next, the water stop unit 100 provided with the water stop structure 1 according to the present embodiment will be specifically described.

FIG. 5 is a partial perspective front view of FIG. 1 in which the water stop unit 100 is installed on the inside U of the closed outer opening Kannon hinged door A from the inside U, and is a vertical frame water stop receiving portion 11. The horizontal frame water stop receiving part 23 and the door water stop receiving part 37 are shown by solid lines, and the rear water stop urging part 2 and the front water stop urging part 4 are shown by broken lines including the part covered with the combined convex part 65. Of the broken lines shown parallel to the three rows, the broken line located in the center indicates the convex portion 8.

As shown in FIG. 3, the rear water stop urging portion 2 (2L, 2R, 2S) has a vertical side edge and a lower horizontal side edge of the hanging source side SL and the door end side DL of the second door a2. It is installed in a U-shape in the external view, and is installed on the vertical side edge of the hanging side SL and the door end side DL shown in FIG. A sectional view taken along line A and a sectional view taken along line BB are shown in FIG. 6, and a sectional view taken along line DD of the rear water stop urging portion 2S installed on the lower horizontal side edge shown in FIG. 5 is shown in FIG. It is shown in a).

Further, as shown in FIG. 3, the front water stop urging portion 4 (4R, 4S) is installed on the vertical side edge of the suspension side SR of the first door a1 and the lower horizontal side edge. FIG. 6 shows a cross-sectional view taken along line CC of the front water stop urging portion 4R installed on the vertical side edge of the suspension side SR shown in FIG. 5, which is formed in an inverted L shape in terms of appearance. FIG. 9B shows a cross-sectional view taken along line GG of the front water blocking urging portion 4S installed on the lower horizontal side edge shown in FIG.

Further, the rear water stop urging portion 2L installed on the vertical side edge of the suspension side SL of the second door a2 is the front water stop urging portion installed on the vertical side edge of the suspension source side SR of the first door a1. The rear water stop urging portion 2S, which has the same configuration as the portion 4R and is symmetrically formed and is installed on the horizontal side edge on the lower side of the second door a2, has the horizontal side on the lower side of the first door a1. Since the configuration is the same except that the front water stop urging portion 4S installed on the side edge is formed so as not to reach the corner K of the combination, the following, the front water stop urging parts 4R, 4S The description of the above will be omitted as appropriate.

As shown in FIGS. 6, 8 (a) and 9 (b), the rear water stop urging portions 2L, 2R, 2S and the front water stop urging portions 4R, 4S are connected to the respective doors a1 and a2. It has a door connection base 6 having a flat surface formed in the longitudinal direction of one side surface, and a convex portion 8 having a sharp tip with an apex angle arranged outward is continuous in the longitudinal direction on the other side surface of the door connection base 6. The triangular water-stopping convex portion 7 is formed.

Further, the rear water stop urging portions 2L, 2R, 2S and the front water stop urging portions 4R, 4S are made of a metal material, and in this embodiment, the door connection base 6 and the water stop convex portion 7 are integrated by using a stainless steel material. A plurality of first screw holes 6a are formed at predetermined intervals along the longitudinal direction in the door connection base 6 exposed from the left and right sides of the water stop convex portion 7, and the first screws 6b are formed in both doors a1 and a2. Is fixed by.

The rear water stop urging portion 2 and the front water stop urging portion 4 according to the present embodiment integrally form a dense, block-shaped triangular water stop convex portion 7 and a plate-shaped door connection base 6. Although it is described as a thing, for example, a strip-shaped plate material may be bent and formed. In this case, the door connection base 6 is not formed on the back surface side of the water stop convex portion 7, that is, immediately after the water stop convex portion 7 of the door connection base 6 located on the door side, and one side is open in a substantially triangular shape. The space of the door extends in the longitudinal direction.

Further, the rear water stop urging portion 2 and the front water stop urging portion 4 can be replaced by attaching an elastically deformable sealing material to the relevant portion.

As shown in FIGS. 10 (a), 10 (b), and 11 (b), the combined convex portion 65 has two trapezoidal legs having an internal angle 67 at both ends of the upper base 66 having approximately 120 ° and different lengths. The 68a and 68b and the rear side surface 70 having unevenness and a partial lower base 69 are formed in a block shape with a substantially isosceles trapezoidal shape in a plan view.

The corners formed by both ends of the upper bottom 66 and the legs 68a and 68b may be chamfered to form a curved shape.

Further, regarding the peripheral edge of the combined convex portion 65 shown in FIG. 5, a sectional view taken along line EE of FIG. 5 is shown in FIG. 8 (b), and a sectional view taken along line FF is shown in FIG. 9 (a).

Further, as shown in FIGS. 11B and 13B, the combined convex portion 65 is projected so as to be projected along the horizontal side edge of the first door a1 so that the tip is reduced on the outside. A surface 69 forming a lower bottom is abutted against the first door a1 by a bolt or the like (not shown) so as to extend beyond the door tip to the side of the second door a2.

As shown in FIGS. 10 (a), 10 (b) and 11 (b), the rear side surface 70 is vertically oriented in the substantially center so that the lower side of the door end sealing material 42 shown in FIG. 3 can be accommodated. A rectangular vertical groove 72 that is notched, and a combined water stop receiving portion 71 that is slightly shallower than the vertical groove 72 on the second door a2 side of the vertical groove 72 and is cut out in the vertical direction to form a seal installation surface 73. Is forming.

As shown in FIG. 12, the lower side of the door end sealing material 42 accommodated in the vertical groove 72 shown in FIG. 3 has a rear stop water located at the corner of the door end side DL of the second door a2 when the lid is closed. It is formed so as to be in contact with the force portion 2R.

Further, the combined seal material 74 disposed on the seal installation surface 73 may be attached to the seal installation surface 73 as it is, or is shown in FIGS. 10 (a), 10 (b) and 8 (b). As described above, a metal combination seal accommodating body 76 having a substantially U-shaped cross section and having a flat plate-shaped combination connection base 75 formed along the seal installation surface 73 and connected to the seal installation surface 73 as an outer surface is used. May be.

In this case, a plurality of seventh screw holes 78 are formed in the combined connection base 75 at predetermined intervals along the longitudinal direction, and the seventh screw 79 is brought into contact with the seal installation surface 73 with the combined connection base 75 in contact with the seal installation surface 73. Is fixed to the combined convex portion 65.

Further, the combination sealing material 74 is formed in a rectangular shape in a cross-sectional view, and is combined with the water stop convex portion 7 of the rear water stop urging portion 2S located at the corner portion on the door end side of the second door a2 when the lid is closed. It is attached so as to face the sealing material 74, or is accommodated in the combined seal accommodating body 76.

In the combined seal accommodating body 76 having a substantially U-shaped cross section, the length of the upper piece 77a of the two opposing pieces 77a and 77b is made narrower than the thickness of the combined seal material 74, so that the piece 77a Is formed so as not to come into contact with the second door a2 or the rear water stop urging portion 2.

The combined convex portion 65 formed in this way projects along the horizontal side edge of the first door a1 so that the tip is reduced outward, and extends beyond the door tip to the side of the second door a2. It is arranged on the first door a1 by a bolt or the like (not shown).

In the present embodiment, the shape of the rear side surface 70 is as described above because the water stop structure 1 is described as a part of the retrofitted water stop unit 100, but the shape of the rear side surface 70 is the same as that of the present embodiment. Not limited.

Further, as shown in FIG. 10B, the outer end portion of the combined seal material 74 is formed so as to be flush with the leg 68b of the combined convex portion 65, but the shape of the portion is It can be changed as appropriate according to the water stoppage situation.

As shown in FIG. 15A, the combined convex portion 65 has a combined fitting seal portion 80 made of an elastically deformable sealing material formed on the outer surface thereof, and is substantially fitted with the combined convex portion 65. It is also possible to improve the watertightness with the door stop recess 81.

In this case, as shown in FIG. 15B, the combined fitting seal portion 80 may be formed so as to be continuously extended in place of the front water stop urging portion 4S of the first door a1.

Next, as shown in FIGS. 11C and 14C, the door stop recess 81 having a concave trapezoidal shape with a substantially isosceles trapezoidal shape that substantially fits with the combined convex portion 65 is the horizontal frame Fh of the door frame F. A door stop seal portion 85 formed on the door stop Fhb and made of an elastically deformable sealing material is formed on the inner side surface.

The door stop recess 81 is cut out in an isosceles trapezoid shape such that the combined convex portion 65 is substantially fitted at the substantially center of the door stop Fhb of the horizontal frame Fh, and specifically, both ends of the upper bottom 82. The internal angle of 83 is approximately 120 °, forming a space consisting of two trapezoidal legs 84, 84 of the same length and an open lower bottom.

In this way, the door stop recess 81 is formed so that a part of the vertical inner side surface of the door stop Fhb is the lower bottom of an open trapezoidal space having a horizontal opening, and the door stop on the left and right sides thereof. On the inner surface of the Fhb, the convex portions 8 of the rear water stop urging portion 2S and the front water stop urging portion 4S form the horizontal frame water stop receiving portion 23 (the door stop seal portion 85 reaches the left and right ends of the door stop Fhb). It comes into contact with the horizontal frame sealing material 30 of the door stop seal portion (synonymous with the door stop seal portion when it is formed in the door stop Fhb so as to be continuously extended) and stops water.

In this embodiment, since the waterproof unit 100 in which the retrofitted parts are installed in the existing door is illustrated, the door stop Fhb is cut out or replaced with a separate door stop Fhb when forming the door stop recess 81. As shown in FIGS. 8 (a) and 9 (b), the door stop seal portion 85 is inside the door stop recess 81 while using the configuration of the horizontal frame water stop receiving portion 23 described later as it is. It can also be formed only on the sides.

Further, if there is no particular problem, as shown in FIG. 11 (c) or the like, the door stop seal portion 85 is directly attached to the door stop Fhb as a substitute for the horizontal frame water stop receiving portion 23, and the door stop seal portion 85 is attached. May be formed so as to continuously extend to the left and right ends of the door stop Fhb.

Further, the horizontal frame seal portion 26 having a substantially U-shaped cross-sectional view, which will be described later, is used as it is to accommodate the door stop seal portion 85 inside, and to reach the left and right ends of the door stop Fhb. It may be formed so as to be continuously stretched.

Further, as shown in FIG. 11C, the door stop seal portion 85 formed at the left and right corner portions 86, 86 of the opening of the door stop recess 81 is formed by bending V toward the outside. Therefore, it is desirable to bend V in this way regardless of the difference in the method of forming the door stop seal portion 85 described above.

The left and right corners 86 of the door stop Fhb forming the opening of the door stop recess 81 (the corner formed by the lower bottom and the legs 84 forming a pedestal shape such as a plan view) can also be formed as a curved surface. ..

As described above, the rear water stop urging portions 2L, 2R, 2S, the front water stop urging portions 4R, 4S, the water stop convex portion 7 and the combined convex portion 65 are installed in the vertical frame Fv of the door frame F, which will be described later. Vertical frame waterproof receiving portions 11L and 11R, horizontal frame waterproof receiving portions 23 installed at the door stop Fhb of the horizontal frame Fh, and door stoppers installed on the vertical side edge of the door end side DR of the first door a1. The water receiving portion 37, the combined water blocking portion 71 of the combined convex portion 65 notched at the rear side surface where the door tip of the second door a2 abuts, and the door stop concave portion 81 formed in the door stop Fhb of the horizontal frame Fh. The vertical frame sealing material 17, the horizontal frame sealing material 30, the door tip sealing material 42, the combined sealing material 74, and the door stop sealing portion 85 are in close contact with each other to launch the Kannon hinged door A from the outside W. To prevent.

Next, the vertical frame water stop receiving portion 11 (11L, 11R), the door water stop receiving portion 37, and the horizontal frame water stop receiving portion 23 will be specifically described in detail.

As shown in FIGS. 1, 6, and 7, the vertical frame water stop receiving portion 11 is installed along the inner side surface Bn of the door stop B of the left and right vertical frames Fv of the door frame F, and is installed along the inner side surface Bn of the door stop B. A cross-sectional view taken along line A and a cross-sectional view taken along line CC are shown in FIG.

The vertical frame waterproof receiving portion 11 is made of metal and is formed in a long length along the vertical frame Fv, and is elastic in contact with the flat plate-shaped vertical frame connecting base 12 connected to the vertical frame Fv and the waterproof convex portion 7. It is composed of a vertical frame sealing portion 14 having a substantially U-shaped cross section containing a vertical frame sealing material 17 to be deformed.

In this embodiment, the lower piece 15 of the vertical frame sealing portion 14 is superposed on a part of the flat plate-shaped vertical frame connecting base portion 12 to be integrally formed.

A plurality of second screw holes 13 are formed in the vertical frame connection base 12 at predetermined intervals along the longitudinal direction, and the outer surface of the vertical frame seal portion 14 is brought into contact with the inner surface Bn of the door stop B of the vertical frame Fv. In this state, the inside of the vertical frame connecting base 12 is brought into contact with the front surface Bf of the door stop B and fixed to the vertical frame Fv by the second screw 13a.

The vertical frame sealing material 17 accommodated in the vertical frame sealing portion 14 is formed in a cross-sectional viewing table shape having an inclined surface 18 in which only one side having a rectangular cross-sectional view is inclined inward, and the rear water stop urging portion 2L is formed when the lid is closed. The water-stopping convex portion 7 of the front water-stopping urging portion 4R and the inclined surface 18 are housed in the vertical frame seal portion 14 so as to face each other.

In the vertical frame sealing portion 14 having a substantially U-shaped cross section, the lengths of the two pieces 16a and 16b facing each other following the shape of the vertical frame sealing material 17 are the lengths of the upper bottom and the lower bottom of the vertical frame sealing material 17. It is formed to have substantially the same length as the vertical one, and the pieces 16a and 16b are formed so as not to come into contact with the doors a1 and a2, the rear water stop urging portion 2L, and the front water stop urging portion 4R.

Further, the width of the vertical frame sealing portion 14 protruding from the inner side surface Bn of the door stop B of the vertical frame Fv is set on the vertical side edges of the hanging side SLs and SRs of both doors a1 and a2, and the rear water stoppage is urged. The portion 2L and the front water blocking urging portion 4R are formed to such an extent that they are covered in front view.

Further, the vertical frame water stop receiving portion 11 according to the present embodiment forms a vertical frame screw insertion portion 19 under the vertical frame seal portion 14 in order to further improve the connection with the door frame F.

The vertical frame screw insertion portion 19 is formed so as to raise the lower piece 15 of the vertical frame seal portion 14, and forms a rectangular space in a cross-sectional view to the extent that the third screw 20a penetrates by the two pieces 16a and 16b facing each other. ing.

In the two pieces 16a and 16b of the vertical frame screw insertion portion 19, third screw holes 20 and 20 for screwing toward the inner side surface Bn of the door stop B of the vertical frame Fv are provided at predetermined intervals along the longitudinal direction. Multiple holes are installed.

As shown in FIG. 1, the door water stop receiving portion 37 is installed along the vertical side edge of the door end side DR of the first door a1, and the cross-sectional view taken along the line BB of FIG. 5 is shown in FIG. There is.

The door water stop receiving portion 37 is made of metal and is formed in a long length along the vertical side edge of the door end side DR of the first door a1, and is connected to the flat plate-shaped door end connection base 38 connected to the first door a1. It is composed of a door end sealing portion 40 having a substantially U-shaped cross section and accommodating a door tip sealing material 42 that extends toward the second door a2 side and abuts on the water blocking convex portion 7 and elastically deforms.

In the present embodiment, the door water stop receiving portion 37 is formed by bending a strip-shaped flat plate to integrally form the door end connecting base portion 38 and the door end sealing portion 40 in a substantially ladle shape in cross-sectional view.

A plurality of fourth screw holes 39 are formed in the door end connection base 38 at predetermined intervals along the longitudinal direction, and are brought into contact with the vertical side edge of the door end side DR of the second door a2 by the fourth screw 39a. It is fixed to the second door a2.

The door end sealing material 42 accommodated in the door end sealing portion 40 is formed in a rectangular shape in a cross-sectional view so that the water blocking convex portion 7 of the rear water blocking urging portion 2R and the door tip sealing material 42 face each other when the lid is closed. It is housed in the door end seal portion 40.

The door end sealing portion 40 having a substantially U-shaped cross section is formed so that the length of the outer piece 41a of the two pieces 41a and 41b facing each other is shorter than the length of the door end sealing material 42, so that the piece 41a is formed. Is formed so as not to come into contact with the second door a2 or the rear water stop urging portion 2R.

Further, the width of the door end seal portion 40 extending to the second door a2 side is covered with the rear water stop urging portion 2R installed on the vertical side edge of the door end side DL of the second door a2 in front view. It is formed to the extent.

Further, as shown in FIG. 2, the lower end of the door end connection base 38 of the door water stop receiving portion 37 and the lower end of the door end sealing portion 40 excluding the door end sealing material 42 are the corners of the combination of the first door a1. As shown in FIG. 3, the door end sealing material 42, which is formed to have a length that does not interfere with the combined convex portion 65 arranged so as to cover the portion K and is exposed downward, is shown in FIG. 10 (a). As shown in (b), it is housed in the vertical groove 72 of the combined water blocking portion 71 formed by notching the rear side surface 70 of the combined convex portion 65.

As shown in FIG. 5, the horizontal frame water stop receiving portion 23 is installed along the inner side surface Fhn of the door stop Fhb of the lower horizontal frame Fh, and the cross-sectional view taken along the line DD and the line GG in FIG. Cross-sectional views are shown in FIGS. 8 (a) and 9 (b).

The horizontal frame water stop receiving portion 23 is made of metal, and is formed at two locations along the door stop Fhb on the left and right sides of the door stop recess 81 also formed near the center of the door stop Fhb, and is in contact with the water stop convex portion 7. It is composed of a horizontal frame sealing portion 26 having a substantially U-shaped cross section with a flat plate-shaped horizontal frame connecting base 24 connected to the door stop Fhb as an outer surface, accommodating the horizontal frame sealing material 30 elastically deformed.

A plurality of fifth screw holes 25 are bored in the horizontal frame connection base 24 at predetermined intervals along the longitudinal direction, and the fifth screw 25a is in contact with the inner side surface Fhn of the door stop Fhb. Is fixed to Fhb per door.

Further, the horizontal frame sealing material 30 housed in the horizontal frame sealing portion 26 is formed in a rectangular shape in a cross-sectional view, and when the lid is closed, the rear water stop urging portion 2S (a part of the lower end is provided with the rear stop of the suspension side SL). The water-stopping convex portion 7 of the front water-stopping part 4S (including the front water-stopping part 4R of the suspension side SR for a part of the lower end) and the horizontal frame sealing material 30 face each other. It is housed in the horizontal frame seal portion 26 so as to do so.

In the horizontal frame sealing portion 26 having a substantially U-shaped cross section, the length of the upper piece 27a of the two opposing pieces 27a and 27b is made shorter than the thickness of the horizontal frame sealing material 30, so that the piece 27a can be formed. It is formed so as not to come into contact with both doors a1 and a2, the rear water stop urging portion 2, and the front water stop urging portion 4.

Further, the height of the lower door stop Fhb is such that the rear water stop urging portion 2S, the front water stop urging portion 4S, and the combined convex portion 65 installed on the lower horizontal side edges of both doors a1 and a2. Is formed to the extent that it is covered in front view, and the height (width) of the horizontal frame seal portion 26 is also formed to be substantially equal to the height of the door stop Fhb.

As described above, the horizontal frame water blocking receiving portion 23 uses the horizontal frame sealing portion 26 having a substantially U-shaped cross section as it is, and houses the door stop sealing portion 85 as a substitute for the horizontal frame sealing material 30 inside. It may be formed so as to continuously extend to the left and right ends of the door stop Fhb, or directly to the door stop Fhb so that the door stop seal portion 85 continuously extends to the left and right ends of the door stop Fhb. It may be replaced by sticking it on.

The configuration described above is the water stop unit 100 provided with the water stop structure 1 according to the present embodiment, but from the corner K of the combination as a part of the water stop unit 100 to be retrofitted to the existing double door A. The configuration for easily and surely preventing inundation will be described in more detail.

FIG. 12 is a perspective view schematically showing the state of the combined corner portion K installed on the lower side when the lid is closed, and the detailed configuration of the door water stop receiving portion 37 is omitted and the door end sealing material is omitted. Only 42 is shown, and the horizontal frame water stop receiving portion 23 directly attaches the door stop seal portion 85 to the door stop Fhb so as to continuously extend to the left and right ends of the door stop Fhb, and the horizontal frame water stop. FIG. 14 shows the receiving portion 23 replaced with the door stop seal portion 85, and this state is shown in a plane for each main configuration.

Further, the combination of the second door a2 installed in the rear water stop urging portion 2 (2R, 2S) on the vertical side edge and the lower horizontal side edge of the door end side DL shown in FIG. 13 (a). The vicinity of the corner K corresponds to the upper view of FIG. 14, and the upper view of FIG. 13 (b) shows the door water stop receiving part 37 (door end sealing material 42 only) and the front water stop urging part 4S. The vicinity of the corner K of the combination of the first door a1 in which the combination convex portion 65 provided with the combination sealing material 74 is installed, which corresponds to the central view of FIG. The lower figure shows the door stop Fhb including the door stop recess 81 to which the door stop seal portion 85 is attached to the entire inner surface of the door stop Fhb, and corresponds to the lower figure of FIG.

It should be noted that those decomposed are shown in FIGS. 11 (a) to 11 (c).

As can be seen from these configurations, the convex portion 8 of the rear water stop urging portion 2R of the second door a2 is the door end of the door water stop receiving portion 37 housed in the combined convex portion 65 of the first door a1. The convex portion 8 of the rear water stop urging portion 2S of the horizontal side edge of the second door a2 is in contact with the lower end side of the sealing material 42 and other parts, and the convex portion 8 of the rear stop water urging portion 2S is the calling of the first door a1 in the door end side DL. The combined convex portion 65 is in contact with the combined sealing material 74, and the other portion is in contact with the door stop sealing portion 85 of the door stop Fhb on the left side of the door stop recess 81, and the front water stop urging portion of the first door a1. The convex portion 8 of the 4S abuts on the door stop seal portion 85 of the door stop Fhb on the right side of the door stop concave portion 81, and the combined convex portion 65 substantially fits with the door stop concave portion 81 to form the door stop seal portion 85. Contact.

Due to such a relationship between the respective parts, in the waterproof structure 1 according to the present embodiment, it is possible to prevent water from entering from the corner portion K of the combination.

As shown in the central figure of FIG. 14, the end portion of the front water stop urging portion 4S adjacent to the combined convex portion 65 is inclined toward the combined convex portion 65 and is brought into close contact with the combined convex portion 65. The configuration can be changed as appropriate.

Further, in the present embodiment, the sealing material is not provided on the outer peripheral surface except for the rear side surface 70 of the combined convex portion 65, but as shown in FIG. 15A, the sealing material may be attached to the portion. As shown in FIG. 15B, various deformation changes are possible within the scope of the gist of the present invention, such as forming this sealing material by continuously extending it up to the front water stop urging portion 4S.

Further, although it is not a main configuration, as shown in FIGS. 4, 8 (b) and the like, in the present embodiment, both doors a1 and a2 are urged from the outer side W to the inner side U to be locked and fixed. The locking member 50 is formed so as to straddle a part of the lower horizontal side edges of both doors a1 and a2 and the opposite lower horizontal frame Fh.

The locking member 50 is composed of a rotation locking portion 51 that rotates in the vertical direction with the horizontal direction as the axial direction, and an engagement receiving portion 57 that engages with the rotation locking portion 51. The stop 51 has a plate-shaped rotation base 52, a rotation shaft 53 projecting from the rotation base 52, and a substantially crescent shape rotatably formed around the rotation shaft 53 at one end thereof. It consists of a key portion 54 forming an inclined portion 55 and a grip portion 56 connected to the key portion 54, and grips the rotation base portion 52 in the vicinity of the combined side of the lower horizontal side edges of both doors a1 and a2. The connection is fixed so that the portion 56 is on the upper side.

Further, the engaging receiving portion 57 includes a plate-shaped fixing base portion 58 and a side view inverted L-shaped engaging urging portion 59 projecting from the fixing base portion 58, and the fixing base portion 58 is rotated and locked. The open piece 60 and the outer peripheral surface of the horizontal frame Fh are connected and fixed by connecting and fixing to the outer peripheral surface of the lower horizontal frame Fh facing the 51 so that the end of the open piece 60 of the engaging urging portion 59 faces upward. A space 61 into which the key portion 54 is inserted is formed between them.

An inclined portion 55 formed in the key portion 54 rotated by the grip portion 56 is inserted into the space 61 provided by the engaging urging portion 59, and the inclined portion 55 is inside the open piece 60 of the engaging urging portion 59. By urging the doors a1 and a2 while abutting against each other, the doors a1 and a2 can be urged to the inner side U, that is, the installation side of the water blocking unit 100.

In the present embodiment, the locking member 50 is arranged on both doors a1 and a2, but by arranging the locking member 50 on one of the doors a1, the second door a2 also urges the inner U at the same time, so that both doors are not necessarily provided. It is not arranged in a1 and a2, and may be used if it is not necessary to dispose the locking member 50.

Further, the locking member 50 is not limited to this embodiment, and various modifications and changes can be made, for example, by using a member such as a so-called French drop.

As described above, the water stop unit 100 provided with the water stop structure 1 according to the present embodiment is configured, and whether the water stop unit 100 is installed only in the lower half of the double door A or installed in the whole. May be selected as appropriate according to the situation.

In the water blocking structure 1 according to the present embodiment provided with such a water stopping unit 100, a block-shaped combined convex portion 65 having a pedestal shape with a substantially equal plan view is outwardly formed at a corner portion of the door tip of the first door a1. Is projected along the horizontal side edge of the first door a1 so that the tip of the door is reduced, and the combined convex portion 65 is arranged so as to extend beyond the door tip to the side of the second door a2. In the door stop Fhb of the horizontal frame Fh of the frame F, a door stop recess 81 having a pedestal-shaped concave shape that substantially fits with the combined convex portion 65 is formed, and the door is made of a sealing material that is elastically deformed. Since the contact seal portion 85 is formed on the inner side surface, the contact area between the combined convex portion 65 at the time of closing and the door stop seal portion 85 of the door stop recess 81 is wide, so that the first door a1 at the time of closing is used. Even if the pressing force on the second door a2 varies, it does not significantly affect the deformation of the door stop seal portion 85, so that high water stopping performance can be achieved.

Further, during the lid closing operation, the combined convex portion 65 and the door stop seal portion 85 of the door stop concave portion 81 come into contact with each other without inadvertent contact and are substantially fitted to each other, resulting in unintended stress on the door stop seal portion 85. Since concentration does not occur, high water stopping performance can be achieved by uniform deformation of the door stop seal portion 85.

Further, since the door stop seal portion 85 at the portion corresponding to the corner portions 86, 86 at the left and right ends of the door stop recess 81 is formed by being curved V toward the outside, it becomes a combined convex portion 65 during the lid closing operation. Since it is possible to further avoid inadvertent contact of the door stop recess 81 with the door stop seal portion 85, high water stopping performance can be achieved.

Further, since the door stop seal portion 85 is formed so as to continuously extend to the left and right ends of the door stop Fhb of the horizontal frame Fh, not only the water blocking performance for the entire horizontal frame Fh can be improved, but also the water blocking performance can be improved. The door stop seal portion 85 at a portion corresponding to the corner portions 86, 86 at the left and right ends of the door stop recess 81 can be unintentionally formed by bending V toward the outside.

Further, since the combined convex portion 65 is formed on the outer surface of the combined fitting seal portion 80 made of an elastically deformable sealing material, the combined fitting seal portion 80 and the door stop sealing portion 85 are formed when the lid is closed. The contact is caused, and the influence of the variation in the pressing force on the first door a1 and the second door a2 at the time of closing the influence on the deformation of both the sealing portions 80 and 85 is further suppressed, and there is also a problem of stress concentration. Since it is unlikely to occur, high water stopping performance can be achieved.

Moreover, the combined convex portion 65 is formed by forming a combined waterproof receiving portion 71 that accommodates a sealing material that elastically deforms by notching the rear side surface 70 that abuts on the second door a2. It is possible to simultaneously achieve water stoppage in the gap between the first door a1 and the second door a2 by the combined convex portion 65.

Although the preferred embodiment of the waterproof structure 1 according to the present embodiment of the present invention has been described above, the present invention is not limited to a specific embodiment and can be modified or modified in various ways.

A Kannon biraki door a1 1st door a2 2nd door F Door frame Fh Horizontal frame Fhb Door stop K Corner of the combination S Hanging side (SL, SR)
T Hinge U Inside V Curved W Outside 1 Water stop structure 70 Rear side surface 71 Combined water stop receiving part 80 Combined fitting seal part 81 Door stop recess 85 Door stop seal part 86 Square part 100 Water stop unit

Claims (5)

It is formed inside the double door that opens outwards and can be opened and closed via hinges on the left and right hanging sides of the door frame to stop the launch from the outside at the corner of the combination of the first door and the second door. It has a free water stop structure,
At the corner of the door tip of the first door, a block-shaped combined convex portion having a pedestal shape such as a plan view is formed following the horizontal side edge of the first door so that the tip is reduced outward. Along with the protrusion, the combined convex portion is arranged so as to extend beyond the door tip to the side of the second door.
At the door stop of the horizontal frame of the door frame, a door stop recess having a concave trapezoidal shape that is substantially fitted with the combined convex portion is formed, and a door stop seal made of a sealing material that is elastically deformed. A waterproof structure characterized by having a part formed on the inner surface. The waterproof structure according to claim 1, wherein the door stop seal portion at a portion corresponding to the left and right corners of the door stop recess is formed so as to be curved outward. The waterproof structure according to claim 1 or 2, wherein the door stop seal portion is formed so as to continuously extend to the left and right ends of the door stop of the horizontal frame. The waterproof structure according to any one of claims 1 to 3, wherein the combined convex portion is formed on an outer surface of a combined fitting seal portion made of an elastically deformable sealing material. Any of claims 1 to 4, wherein the combined convex portion forms a combined waterproof receiving portion that accommodates a sealing material that elastically deforms by notching a rear side surface that abuts on the second door. The waterproof structure according to item 1.

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