JP2001012160A - Water cut-off structure of sliding door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent water and foreign matter from flowing into a lower frame in a region where a sliding door on the lower frame does not exist and prevent the entry of water from a bathroom into a dressing room securely. SOLUTION: Water cut-off cover parts 85a, 85c on a bathroom 2 side are provided in lower parts of sliding doors 13a, 13b, respectively, and these water cut-off cover parts 85a to 85c are fitted and guided in a first to a third openings 81 to 83 to bring seal materials 31, 55, 56, 73, 74, 75 mounted on both sides of each opening 81 to 83 elastic repulsively so as to prevent the occurrence of a clearance. The first to the third openings 81 to 83 are blocked by each seal material even in a region where each water cut-off cover part 85a to 85c of each sliding door 13a to 13c does not exist to prevent water and foreign matter from flowing into a lower frame 1 and reduce the time and labor required for maintenance of the lower frame 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water shutoff structure for a sliding door such as a sliding door and a sliding door.

[0002]

2. Description of the Related Art A typical conventional technique is disclosed, for example, in Japanese Patent Application Laid-Open No. 11-22334. In this conventional technique, a drainage channel is disposed on the lower frame, the drainage channel extending from the upper surface of the lower frame to the dressing room side, and is disposed on the dressing room side than the sliding door, and drains water accumulated in the lower frame in communication with the drainage channel downward. A road is provided,
A drainage pipe is connected to the drainage channel, and the water that has flowed out onto the lower frame is dropped into the lower frame, allowing it to be drained around the washing area, realizing a bathroom without steps and gratings. An openable / closable lid is provided at the top of the road, and the lid can be opened so that a hand or the like can be inserted into the drainage channel to enable cleaning of the drainage channel. A water shutoff structure for a bathroom door is disclosed, which is disposed on substantially the same plane as the floor of a bathroom door and is substantially flush from the bathroom to the dressing room.

Another conventional technique is disclosed in, for example,
It is disclosed in Japanese Patent Publication No. 1-2335. In this conventional technique, a waterproof line is formed on the lower frame by the lower frame and the lower ends of the plurality of closed shojis, and most of the water flowing toward the shoji is blocked by the waterproof line, and the waterproof line is blocked. Only a small amount of water leaked over is drained by the drainage means below the lower frame through the drainage opening provided outside the waterproof line, and with such a configuration, water flowing down the lower frame is reduced. Is prevented from flowing backward and overflowing from the drainage opening, thereby preventing water from entering the room and outside. In addition, a water return member is erected on the floor on the front side in the expected direction of the sliding door,
In addition to damping the water flowing vigorously toward the sliding door, even if this water return member is exceeded, the water is weakened, and the gap between the lower part of each sliding door and the upper part of the lower frame is A water shutoff structure for a sliding door is disclosed, which is sealed by a water sealing member to prevent or reduce the flow of water into the lower frame.

[0004]

SUMMARY OF THE INVENTION The above-mentioned Japanese Patent Application Laid-Open No. Hei 11-2
In each of the prior arts disclosed in Japanese Patent Application Laid-Open Nos. 2334 and 11-22335, an opening is formed in the upper portion of the lower frame along the longitudinal direction so that the lower end of the sliding door is movably fitted. In the state where the sliding door is not present, since the door faces upward and is open, water flowing from the bathroom side easily flows into the lower frame through the opening together with dirt and foreign matter, and There is a problem that dirt and foreign matter easily accumulate.

An object of the present invention is to provide a water shutoff structure for a sliding door that can prevent water, foreign matter, and the like from flowing into the lower frame.

[0006]

According to the present invention, the floors of the bathroom and the undressing room extend substantially along one plane, and a sliding door and a frame for holding the sliding door openably and closably between the bathroom and the undressing room. Body is provided, the lower frame of the frame body is disposed between each floor surface, the upper surface of the lower frame is substantially flush with the one plane,
In the lower part of the sliding door, a draining cover part that falls downward on the bathroom side is formed over substantially the entire length of the sliding door in the width direction, and an upper part of the lower frame is formed with an opening extending along the longitudinal direction of the lower frame, The drainage cover portion is movably fitted into the opening, and the opening is made of a material having high slidability, flexibility and elasticity, and is opposed to the opening substantially at the center in the expected direction. A water blocking structure for a sliding door, wherein a sealing material having a tongue-shaped portion that comes into contact with the draining cover portion is provided.

According to the present invention, the upper surface of the lower frame is arranged so as to be substantially flush with the floor surfaces of the bathroom and the dressing room.
The lower frame structure is a barrier-free or lower frame flat structure, which is also called a flat lower frame. The lower frame structure has improved accessibility and safety for physically handicapped and elderly people and wheelchairs.

In such a lower frame, an opening extending in the longitudinal direction is formed at an upper portion, and a drainage cover portion of a sliding door is movably fitted into the opening, and an opening in an expected direction,
That is, a sealing material having a tongue-shaped portion which is opposed to the drain cover in substantially the center of the width of the opening along the traffic direction perpendicular to the longitudinal direction of the lower frame is provided to close the opening. This sealing material is made of a material having high slidability, flexibility and elasticity, such as rubber, and in a region where the drainage cover provided at the lower part of the sliding door is fitted, each tongue is attached to the drainage cover. The resilient portions resiliently contact from both sides in the expected direction, thereby preventing the generation of a gap. In the region where the drain cover does not exist, that is, in the region where the sliding door does not exist, the tongue-shaped portions of the sealing material are opposed to each other from both sides in the expected direction as described above, or are opposed to each other with a slight gap. Therefore, substantially no gap is generated even in a region where the sliding door does not exist.

In this way, the opening is maintained in a state of being closed over substantially the entire length of the lower frame, so that water flowing toward the lower frame in the bathroom and foreign substances such as garbage carried by the water. However, it is possible to prevent or reduce the inflow of foreign matter into the lower frame in both the area where the sliding door exists and the area where the sliding door does not exist. The labor of cleaning inside can be reduced.

[0010] Further, since the opening is closed by the sealing material as described above, it is possible to prevent a problem that a finger or the like of a child easily fits into the opening. Performance can be improved. Moreover, the drain cover at the bottom of the sliding door is resiliently sandwiched by a highly slidable seal material, so that the opening and closing operation of the door is stable, and even if the opening and closing operation is performed carelessly with a large force. In addition, it is possible to prevent a problem that the sliding door vigorously hits a vertical frame or the like.

Further, according to the present invention, a seal block is provided at the lower end of the bathroom side combination frame of the sliding door to close a gap between the sliding door and the lower surface of the lower frame above the lower frame. It is characterized by being provided.

According to the present invention, since a sealing block is provided at the lower end of the bathroom-side mating frame of the sliding door, the space between the lower end of the bathroom-side mating frame and the upper surface of the lower frame and the bathroom-side mating frame are provided. There is no gap between the lower end of the combination frame and the lower end of the dressing room-side combination frame, and the intrusion of water from the bathroom into the lower frame and the flow of water from the bathroom to the dressing room side are further improved. It can be reliably prevented.

[0013]

FIG. 1 is an enlarged sectional view showing a water blocking structure of a sliding door according to an embodiment of the present invention, and FIG. 2 is an exploded sectional view showing a lower frame 1 shown in FIG. It is. In FIG. 1, a seal block 116, which will be described later, is omitted for ease of illustration. An interlocking sliding door 4 is provided at an entrance and exit of a partition wall that separates the bathroom 2 and the undressing room 3, and a lower frame 1 is disposed below the interlocking sliding door 4.

The lower frame 1 is provided with a waterproof pan 5 laid in the bathroom 2.
Is supported on a concave receiving portion 6 arranged below the entrance. The waterproof pan 5 supported by a base (not shown)
It is made of fiber reinforced plastic (abbreviated as FRP) and constitutes the floor of the bathroom 2 without drainage and grating immediately before the entrance. The concave receiving portion 6 has a water collecting hole 8 formed in the lower frame 1.
A mounting hole 10 through which a drain pipe 9 for guiding water flowing down from outside to the outside is inserted, and an opening 11 of the drain pipe 9 is connected in a watertight manner.

The interlocking sliding door 4 has three sliding doors 13a to 13c.
And a sliding door frame 14 for holding each of the sliding doors 13a to 13c openably and closably in a frontage direction perpendicular to the plane of FIG. 1. The sliding door frame 14 includes the lower frame 1.

The lower frame 1 has a lower frame main body 15 and first and second lower frame auxiliary members 16 and 17 detachably attached to the lower frame main body 15. The lower frame main body 15 is realized by an extruded shape member made of an aluminum alloy, and is bent upward from a flat bottom wall 21, one end of the bottom wall 21 on the side of the bathroom 2 in the expected direction which is the left-right direction in FIGS. 1 and 2. Bathroom side wall 22 extending in the direction, the undressing room side wall 23 rising upward from the other end of the bottom wall 21 in the expected direction, and the undressing room side wall 2
3 and a cover body 24 that bends at a substantially right angle to the undressing room 3 side, and a pair of legs 2 that are bent at a right angle downward from both ends of the bottom wall 21 in the expected direction.
5a and 25b.

The bathroom side wall 22 has a first rising portion 26 connected to one end of the bottom wall 21 on the side of the bathroom 2 in the expected direction, and further from the upper end of the first rising portion 26 to the bathroom 2 (see FIGS. 1 and 2). A first horizontal portion 27 which is bent substantially at right angles to the left (left side) and extends horizontally; a second rising portion 28 which rises at an almost right angle and rises upward from the end of the first horizontal portion 27 closest to the bathroom 2; A substantially U-shaped first fitting portion 29 and a second rising portion 28 which are connected to the upper end portion of the rising portion 28 and open upward.
A second horizontal portion 30 projecting substantially horizontally from the middle portion between the upper end portion and the lower end portion toward the bathroom 2 side. First fitting portion 29
The first seal member 31 is fitted to the first seal member.

The undressing room side wall 23 is connected to the undressing room 3 of the bottom wall 21.
A third rising portion 32 which is bent upward at substantially right angles from the other end in the expected direction of the side, and a third bent substantially at right angles to the undressing room 3 side from the upper end of the third rising portion 32 and extends horizontally. The fourth rising portion 3 which rises by bending at a substantially right angle upward from the end of the horizontal portion 33 and the third horizontal portion 33 closest to the undressing room 3.
4 and a fourth horizontal portion 35 that extends substantially perpendicularly to the bathroom 2 side from an intermediate portion between the upper end portion and the lower end portion of the fourth rising portion 34 and extends horizontally.

The cover body 24 is bent at a right angle from the upper end of the fourth rising portion 34 to the undressing room 3 side and extends horizontally so as to extend horizontally.
Inclined section 3 which is connected to the end on the side and inclines downward from the fifth horizontal section 36 toward the undressing room 3 side (the right side in FIGS. 1 and 2).
7, and a support portion 38 projecting downward at right angles from an intermediate portion between both ends of the fifth horizontal portion 36 in the expected direction.

Between the one end of the fifth horizontal portion 36 on the undressing room 3 side and the support portion 38, a plurality of truncated cones are formed at intervals in the longitudinal direction perpendicular to the plane of FIG. 1 and FIG. A screw receiving portion 39 is formed. The screw receiving portion 39 is formed with a through hole 41 through which a shaft portion of a set screw 40 realized by, for example, a flathead screw bolt is inserted, and the floor plate 42 is inserted through the through hole 41. The lower frame body 1 is set by a set screw 40 screwed to the
5 is fixed. The water collecting hole 8 described above is formed in the bottom wall 21 of the lower frame main body 15.

The first lower frame auxiliary member 16 is detachably mounted on the second lower frame auxiliary member 17. The first and second lower frame auxiliary members 16 and 17 are realized by extruded members made of an aluminum alloy. The first lower frame auxiliary member 16 includes a horizontal fitting portion 47, a rising portion 48 that is bent upward at substantially a right angle from one end of the horizontal fitting portion 47 on the bathroom 2 side in the expected direction, and an upper end of the rising portion 48. Portion 49 extending perpendicularly to the undressing room 3 side from the portion, the undressing room 3 of the horizontal portion 49
A substantially L-shaped fifth fitting portion 50 which is connected to the side end portion 27 and is open upward, and projects substantially toward the bathroom 2 from an intermediate portion between the upper end portion and the lower end portion of the rising portion 48. It has a fourth fitting portion 51 in the shape of a letter.

At the intersection where the rising portion 48 and the horizontal portion 49 continue, the thickness is increased to improve the strength, and a rail 53 for supporting the door wheel 52a of the sliding door 13a disposed closest to the bathroom 2 is formed. . Between the rail 53 and the fifth fitting portion 50 in the horizontal portion 49, a plurality of auxiliary drain holes 5 are provided at intervals in the longitudinal direction perpendicular to the paper surface of FIGS.
4 are formed. A fifth sealing material 55 is fitted to the fifth fitting portion 50, and a fourth sealing material 56 is fitted to the fourth fitting portion 51.

The second lower frame assisting member 17 includes a first horizontal portion 62 extending substantially horizontally having a concave fitting receiving portion 61 into which the horizontal fitting portion 47 of the first lower frame assisting member 16 is fitted. 1
The bathroom-side leg 63 and the first horizontal portion 6 that bend downward from one end of the horizontal portion 62 on the bathroom 2 side in the expected direction and project.
2, a first rising portion 64 that rises upward from a position closer to the undressing room 3 than the bathroom-side leg portion 63, and a second horizontal extending from the upper end of the first rising portion 64 at a right angle to the undressing room 3 side. A substantially U-shaped third fitting portion 66 and a first rising portion 64 which are integrally formed at the other end of the second horizontal portion 65 closest to the undressing room 3 and open upward. A substantially L-shaped second fitting portion 67 formed at a middle portion between the upper end portion and the lower end portion and protruding toward the bathroom 2 side, from the other end of the first horizontal portion 62 on the undressing room 3 side. A second U-shaped portion 68 bent upward at a right angle and connected to an upper end portion of the second R-formed portion 68 and opened in a substantially U-shaped sixth fitting portion 69 and a sixth fitting portion 69. A third horizontal portion 70 and a third horizontal portion 7 that are bent at right angles to the undressing room 3 side and extend horizontally from the upper end of the side wall portion on the undressing room 3 side; The most undressing room 3 end of the having undressing room-side leg portion 71 protruding bent downward.

The upper end of the first rising portion 64 and the second horizontal portion 6
5 is thicker, the strength is improved as a thick wall, and a rail 72 that supports the door roller 52a of the sliding door 13a disposed closest to the bathroom 2 is formed. Further, the second fitting portion 67
, A third seal member 74 is fitted to the third fitting portion 66, and a sixth seal member 74 is fitted to the sixth fitting portion 69.
The sealing material 75 is fitted.

The first horizontal portion 62 also has three rows of drain holes 76a, 76b, 76c from the bathroom 2 to the undressing room 3.
A plurality of each are formed at intervals in the longitudinal direction perpendicular to the paper surface of FIGS. 1 and 2. Further, an auxiliary drain hole 77 is formed in the second horizontal portion 65 on the dressing room 3 side with respect to the rail 72. In the region where the upper end of one side wall of the sixth fitting portion 69 on the undressing room 3 side and the third horizontal portion 70 connected to the upper end intersect, the sliding door 13c disposed closest to the undressing room 3 is provided. A rail 78 for supporting the door roller 53c is formed, and an auxiliary drain hole 79 is formed on the undressing room 3 side of the rail 78.

In the state where the first lower frame auxiliary member 16 is mounted on the second lower frame auxiliary member 17 and the second lower frame auxiliary member 17 is mounted on the lower frame main body 15 (the state shown in FIG. 1), A first opening 81 is formed between the first fitting portion 29 of the bathroom side wall 22 of the lower frame main body 15 and the second fitting portion 67 provided at the first rising portion 64 of the second lower frame auxiliary member 17. The third fitting portion 66 of the second lower frame auxiliary member 17 and the first lower frame auxiliary member 16
A second opening 82 is formed between the second opening 82 and the fourth fitting portion 51.
Further, a third opening 83 is provided between the fifth fitting portion 5 of the first lower frame auxiliary member 16 and the sixth fitting portion 69 of the second lower frame auxiliary member 17.
Is formed. These first to third openings 81 to 83 are
The lower frame 1 is formed over the entire length in the longitudinal direction perpendicular to the paper surface of FIG.

In the first opening 81, a draining cover 85a extending downward on the bathroom 2 side is movably fitted and guided in a lower portion 84a of a door wheel 13a disposed on the bathroom 2 side.
The second opening 82 has a lower portion 84b of the central sliding door 13b.
A draining cover portion 85b projecting downward at the bathroom 2 side is fitted and guided movably. Further, the third opening 83 projects downward at the lower portion 84c of the sliding door 13c at the undressing room 3 side at the bathroom 2 side. The draining cover portion 85c is fitted and guided movably.

These draining covers 85a to 85c are
The sliding doors 13a to 13c are formed in lower portions 84a to 84c in the frontage direction, that is, over the entire length in the width direction perpendicular to the paper surface of FIG. The space between the first to third openings 81 to 83 in the expected direction (the left-right direction in FIG. 1) is about 5 mm.

The first sealing member 31 extends from the upper end of the base portion 91 toward the bathroom 2 toward the bathroom 2, and the bottom portion of the waterproof pan 5 and the first fitting portion 29. A bathroom-side tongue 92 closing the space therebetween, and a undressing-room-side tongue 93 extending from the upper end of the base 91 toward the undressing room 3. Such a first sealing material 31 has a high coefficient of static friction by a 50 g point pressure method of 0.32 to 0.47%, and a high coefficient of kinetic friction by a 50 g point pressure method of 0.12 to 0.17%. Of a synthetic resin having:

By using the high slidability synthetic resin as described above, the tongue-like portion 93 of the first sealing material 31 on the undressing room side is formed.
Can smoothly open and close the sliding door 13a with which the sliding door 13a comes into contact, and can prevent the sliding door 13a from moving by its own weight due to a slight inclination due to an appropriate sliding resistance.

As described above, when the sliding door 13a is stopped by using the synthetic resin having high slidability as the first sealing material 31, the static friction coefficient is larger than the dynamic friction coefficient as described above. The problem that the sliding door 13a easily starts moving by its own weight due to a slight gradient of the lower frame 1 can be prevented. Sliding door 13 by sliding operation of passers-by
During the opening / closing operation of the sliding door 13a, the kinetic friction coefficient is smaller than the static friction coefficient as described above.
a can be moved, so that when the elderly and the physically handicapped pass, the sliding door 13a can be opened and closed with an extremely small force without excessively needing to open and close the sliding door 13a.

The second seal member 73 is formed of the first seal member 3.
A bathroom-side tongue 94 that comes into contact with the first undressing room-side tongue 93 at substantially the center of the expected direction of the first opening 81 and a base end of the bathroom-side tongue 94 are connected to form a second fitting. And a base 95 that fits into the joint 67. This second sealing material 73
Are made of the same material as the above-mentioned first sealing material 31, and therefore, a similar effect can be achieved.

Similarly, the third seal member 74 has a tongue-shaped portion 96 on the undressing room side and a base portion 97, and the fourth seal member 56 has a tongue-shaped portion 98 on the bathroom side and a base portion 99. 5 sealing material 55
Has a tongue-shaped portion 100 on the undressing room side and a base 101, and the sixth sealing material 75 further includes a tongue-shaped portion 102 on the bathroom side and the base 10
And 3.

Each bathroom side tongue 92, 94, 98, 102
And the undressing room side tongue 93, 96, 100 opposed thereto.
Means that the first to third openings 81 to 83 are in contact with each other at substantially the center in the expected direction, or are opposed to each other with a small interval.

Accordingly, each of the drainage covers 85a to 85c of each of the sliding doors 13a to 13c is provided with a sealing material 31, 55, 5
6, 73, 74, and 75, which are inserted in a so-to-be-cut state and resiliently contact with each other, close the first to third openings 81 to 83 in a watertight state. . Further, even in a region where each of the sliding doors 13a to 13c does not exist, the tongue-shaped portions of the sealing materials facing each other are in contact,
No gap is formed between the first to third openings 81 to 83, and therefore, water from the bathroom is prevented from flowing into the lower frame. Further, the first to third openings 81 to 8 are formed by the respective sealing materials.
Since 3 is closed, for example, when a child or the like steps on the lower frame when passing, it is possible to prevent a problem that a toe is accidentally inserted into each of the openings 81 to 83.

FIG. 3 is a vertical sectional view showing the entire structure of the interlocking sliding door 4, and FIG. 4 is a horizontal sectional view taken along a section line IV-IV in FIG. The sliding door frame 14 is fixed to an opening of a partition wall that separates the bathroom 2 and the undressing room 3, and a pair of vertical frame members 106 and 1 extending vertically at intervals in the horizontal direction.
07 and the vertical frame members 106 and 107 are horizontally disposed between the upper end portions of the vertical frame members 106 and 107, and the vertical frame members 106 and 107 are connected to the upper frame member 108 and the vertical frame members 106 and 107, respectively.
Are arranged substantially horizontally between the lower ends of the vertical frame members 106,
And the lower frame 1 for interconnecting the lower ends of the lower and upper parts 107.

Each sliding door 13 is formed by the sliding door frame 14 as described above.
a to 13c are held openably and closably, and these sliding doors 13a
Sliding door 13c arranged on the undressing room 3 side of the
It is fixed to one vertical frame 107 as a so-called fitted door.

The sliding door 13a arranged on the side of the bathroom 2 has a pair of vertical stairs 111a, 112a and each of the vertical stairs 111a, 112a.
The upper frame 113a interconnecting the upper end portions of the vertical frames 1a
Lower frame 11 for connecting lower ends of 11a and 112a to each other
4a and the glass 11 whose periphery is held by the vertical frames 111a, 112a, the upper frame 113a, and the lower frame 114a.
5d. The lower frame 52a is attached to the lower frame 114a.
Is provided. The remaining sliding doors 13b and 13c also have the same configuration as the above-described sliding door 13a, and the corresponding portions are denoted by the same numerals with the suffixes b and c, and description thereof is omitted.

Of the vertical frames 112a, 111b; 112b, 111c, which are the mating frames for the sliding doors 13a to 13c, the vertical frames 112a, 112b arranged on the bathroom 2 side are partially exploded perspective views of FIG. As shown, each stile 112a,
At the lower end of 112b, a seal block 116 is
17a and 117b. The seal block 116 includes a mounting portion 118 made of a hard synthetic resin,
The mounting portion 118 has a sealing member 119 formed substantially in an L-shape over a side portion and a lower portion facing the vertical frame 111b serving as another mating frame facing the expected direction which is the vertical direction in FIG. . The sealing material 119 also has the first to sixth sealing materials 31, 55, 56, 73, and 7 described above.
4 and 75, and are formed integrally with the mounting portion 118.

The mounting portion 118 is formed with a screw hole 120 through which the upper screw 117a is inserted, and a long hole 121 through which the lower screw 117b is inserted. The lower screw 117b passing through the long hole 121 is screwed into a screw hole 122 of the vertical frame 112, and two screw holes 1 are provided above the screw hole 122.
23 a and 123 b are formed at intervals corresponding to the length of the long hole 121.

In such a configuration, when attaching the seal block 116 to the vertical frame 112a, the lower screw 117b is screwed into the lower screw hole 122 of the vertical frame 112a via the long hole 121 and temporarily fixed. , Sealing material 1
The position where 19 contacts the upper surface of the lower frame 1 or is pressed resiliently is selected and positioned, and thus the seal block 116 is fixed to the vertical frame 112a.

The other vertical frame 112b is also provided in FIG.
Are mounted in a similar procedure. At the lower ends of the bathroom-side vertical stairs 112a and 112b, which are thus combined stairs, a seal block 1 is provided.
Since 16 is provided, as shown in FIG.
In a state where each of the sliding doors 13a to 13c is closed, the first to sixth sealing members 31, 55, 56, 73, 74, 75
As indicated by the imaginary line 125, the vertical frames 106, 1 are formed by the seal material 119 of each seal block 116.
07, a water stop line can be formed. Thereby, intrusion of water from the bathroom 2 to the undressing room 3 side can be reliably prevented. In addition, as shown in FIG. 4, in a state where all the sliding doors 13 a to 13 c are closed, the first and second openings 81 and 82 on the bathroom 2 side are connected to the water stop line 12.
5, the first and second openings 81 and 82 on the bathroom space side are also arranged on the first to the above-mentioned first to eighth embodiments.
Since the sixth sealing member is closed, water can be prevented from entering the lower frame 1 or reduced as much as possible. Therefore, water or foreign matter can be prevented from entering the lower frame 1, thereby reducing the number of times of cleaning the inside of the lower frame and improving the maintainability.

In the above embodiment, three interlocking sliding doors have been described. However, as another embodiment of the present invention, the present invention can be suitably applied to a single sliding door and four or more interlocking sliding doors. Can be. In addition, the first to sixth
Although the sealing members 31, 55, 56, 73, 74, and 75 are made of a highly slidable synthetic resin, other embodiments of the present invention use other materials, for example, a test of Japanese Industrial Standard JIS K6301. A synthetic resin having a high elasticity with a compression set of 30 to 40% in the method may be used. By using such a material, generation of permanent distortion can be suppressed for a long time, and watertightness can be continuously maintained for a long time.

[0044]

According to the present invention, an opening extending along the longitudinal direction is formed in the upper portion, and the drainage cover portion of the sliding door is movably fitted into this opening, and is provided in the expected direction, that is, in the lower frame. A seal material having a tongue-shaped portion which is opposed to the drain cover portion at substantially the center of the width of the opening along the traffic direction perpendicular to the longitudinal direction is provided to close the opening. This sealing material is made of a material having high slidability, flexibility and elasticity, such as rubber, and in a region where the drainage cover provided at the lower part of the sliding door is fitted, each tongue is attached to the drainage cover. The resilient portions resiliently contact from both sides in the expected direction, thereby preventing the generation of a gap. In the region where the drain cover does not exist, that is, in the region where the sliding door does not exist, the tongue-shaped portions of the sealing material are opposed to each other from both sides in the expected direction as described above, or are opposed to each other with a slight gap. Therefore, substantially no gap is generated even in a region where the sliding door does not exist.

Since the opening is maintained in a state where the opening is closed over almost the entire length of the lower frame in this manner, foreign matters such as water flowing toward the lower frame in the bathroom and garbage transported by the water. However, it is possible to prevent or reduce the inflow of foreign matter into the lower frame in both the area where the sliding door exists and the area where the sliding door does not exist. The labor of cleaning inside can be reduced.

Further, since the opening is closed by the sealing material as described above, it is possible to prevent a problem that a finger or the like of a child easily fits into the opening, thereby providing safety. Performance can be improved. Moreover, the drain cover at the bottom of the sliding door is resiliently sandwiched by a highly slidable seal material, so that the opening and closing operation of the door is stable, and even if the opening and closing operation is performed carelessly with a large force. In addition, it is possible to prevent a problem that the sliding door vigorously hits a vertical frame or the like.

Further, according to the present invention, since the sealing block is provided at the lower end of the bathroom side combination frame of the sliding door, the space between the lower end of the bathroom side combination frame and the upper surface of the lower frame, and between the bathroom side combination frame and the bathroom side are provided. There is no gap between the lower end of the combination frame and the lower end of the dressing room side, so that water from the bathroom into the lower frame and water from the bathroom to the undressing room can be more effectively prevented. It can be prevented more reliably.

[Brief description of the drawings]

FIG. 1 is an enlarged sectional view showing a lower frame structure of a sliding door according to an embodiment of the present invention.

FIG. 2 is an exploded sectional view showing a lower frame 1 shown in FIG.

FIG. 3 is a vertical sectional view showing the entire structure of the interlocking sliding door 4;

FIG. 4 is a horizontal cross-sectional view as viewed from a section line IV-IV in FIG. 3;

FIG. 5 is a perspective view for explaining a mounting state of a seal block 116 to each of the vertical frames 112a and 112b.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lower frame 2 Bathroom 3 Changing room 4 Interlocking sliding door 5 Prevention pan 6 Recessed receiving part 13a-13c Sliding door 14 Sliding door frame 15 Lower frame main body 16 1st lower frame auxiliary part 17 2nd lower frame auxiliary member 31,55,56,73 , 74, 75 Sealing material 29, 50, 66, 67, 69 Fitting part 54, 77, 79 Auxiliary drain hole 81-83 First to third opening 84a-84c Lower part of sliding door 85a-85c Drain cover part 111a-111c , 112a-112c Vertical frame 116 Seal block

Claims (2)

[Claims] 1. The floor of a bathroom and a dressing room extend substantially along one plane, and a sliding door and a frame body for holding the sliding door openably and closably provided between the bathroom and the dressing room. A lower frame of the body is arranged between the floor surfaces, and an upper surface of the lower frame is substantially flush with the one plane, and a drain cover that falls down on the bathroom side has a width of the sliding door at a lower portion of the sliding door. The upper part of the lower frame is formed with an opening extending along the longitudinal direction of the lower frame, and the drainage cover portion is movably fitted into the opening. Is characterized by being provided with a seal material made of a material having high slidability, flexibility and elasticity, and having a tongue-shaped portion which comes into contact with the draining cover portion substantially at the center in the expected direction. Waterproof structure of sliding door. 2. A seal block for closing a gap between the sliding door and the lower frame above the lower surface of the lower side of the sliding door on the bathroom side of the sliding door. The water shutoff structure for a sliding door according to claim 1, wherein: