JP2000096927A - Lower-frame structure of sliding door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the operating efficiency of mounting/demounting to/from the lower frame body of a lower-frame auxiliary member. SOLUTION: A lower frame is placed on a waterproof pan 9 laid on a bathroom 4, and has a lower frame body 15 and a lower-frame auxiliary member 16 detachably connected to the lower frame body 15. A supporting piece 62 supporting one side section of the dressing room 5 side of a drainboard 10 is installed to the lower frame body 15. Accordingly, the lower-frame auxiliary member 16 can be mounted/demounted easily to/from the lower frame body 15 without removing the drainboard 10 from the upper section of the waterproof pan 9, and the operating efficiency of mounting/demounting to/from the lower frame body 15 of the lower-frame auxiliary member 16 can be improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

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

[0002]

2. Description of the Related Art For example, a partition wall is provided between a bathroom as a first room and a undressing room as a second room. The partition wall has a plurality of sliding doors and these sliding doors can be freely opened and closed. And an interlocking sliding door having a holding frame. The frame body, a pair of vertical frames, an upper frame connecting the upper end of each vertical frame,
A lower frame connecting the lower ends of the vertical frames. The lower frame has a lower frame main body, and a plurality of lower frame auxiliary members detachably connected to the lower frame main body and divided along the longitudinal direction of the lower frame.

The floor surfaces of the bathroom and the dressing room extend along substantially the same plane, and the upper surface of the lower frame also forms substantially the same plane as the one plane. The lower frame body is connected to a base whose upper portion is disposed below the one plane, and is bent upward from one side of the base closer to the undressing room, and the uppermost surface is substantially flush with the one plane. And a rising portion to be formed. Each of the lower frame assisting members includes a lower flange mounted on the base of the lower frame main body, a web continuous with the lower flange at a substantially right angle, and a drain hole formed therein, and a substantially right angle at an upper end of the web. And an upper flange having an uppermost surface substantially coplanar with the one plane, and a cross section perpendicular to the longitudinal direction is formed substantially in an I shape. The uppermost surface of these rising portions and the uppermost surface of the upper flange of each lower frame auxiliary member support the shoji.

[0004] The lower frame auxiliary member closest to the bathroom is provided with a support piece disposed below the one plane and extending toward the bathroom. This support piece supports one side of the undressing room side of the cage placed on the waterproof pan laid in the first room. On the remaining lower frame auxiliary member except for the bathroom side lower frame auxiliary member, first engagement pieces that fall from the lower flange and bend toward the undressing room are integrally formed. The lower frame main body is integrally formed with a plurality of second engagement pieces that rise from the base thereof, bend toward the bathroom, and engage with the respective first engagement pieces. The remaining lower frame assisting members are mounted on the lower frame body by sequentially engaging the first and second engagement pieces with each other from the undressing room side. Thereafter, the lower frame auxiliary member closest to the bathroom is fixed to the lower frame main body by bolts and nuts on the support pieces in a state of contacting the adjacent lower frame auxiliary member. The lower frame auxiliary member most bathroom side is firmly fixed to the lower frame body by bolts and nuts,
Even if an external force acts on the support piece by stepping on the paddle, or an external force acts on each lower frame auxiliary member by stepping on each lower frame auxiliary member when passing, each lower frame auxiliary member is in the lower frame main body. This is to prevent rattling or detachment. In this way, a plurality of lower frame auxiliary members are attached to the lower frame main body.

[0005] An anti-slip member made of synthetic resin and having an uppermost surface formed in a roughened or uneven shape is fitted to the upper flange of each lower frame auxiliary member. Such an anti-slip member prevents the foot from slipping when entering and exiting between the bathroom and the undressing room.

[0006]

In such a conventional technique, when a plurality of shojis are built in the frame, the lower frame body has a rising portion on the undressing room side. It is performed from the side, and the lower frame auxiliary member must be connected to the lower frame main body one by one every time one sheet of paper is erected. In order to clean the inside of the lower frame, the lower frame auxiliary member arranged on the bathroom side is first removed in the reverse procedure to the above-mentioned construction work, and then the shoji screen arranged most on the bathroom side is removed. Remove
Next, after removing the second lower frame auxiliary member as seen from the bathroom side,
After sequentially removing each sash, such as removing the second sash, each lower frame auxiliary member must be removed. Furthermore, when removing each lower frame auxiliary member from the lower frame main body, after removing the cage supported by the waterproof pan and the support piece, a bolt for firmly fixing the lower frame auxiliary member and the lower frame main body to the most bathroom side and The nut must be removed. As described above, there is a problem that the work of attaching and detaching the lower frame auxiliary member to and from the lower frame main body is troublesome. Also, when cleaning the inside of the lower frame, after removing the cage, remove the bolts and nuts and then remove each lower frame auxiliary member, it is not possible to clean the lower frame unless it is convenient. There is a problem that is bad.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a lower frame structure of a sliding door which can improve the work efficiency of attaching and detaching a lower frame auxiliary member to and from a lower frame main body.
Another object of the present invention is to provide a lower frame structure of a sliding door that can easily clean the inside of the lower frame.

[0008]

According to the first aspect of the present invention, each of the floor surfaces of the first and second chambers extends along substantially one plane, and a plurality of floors are provided between the first and second chambers. And a frame body that holds the sash openably and closably is provided.
An upper surface has a lower frame which is substantially coplanar with the one plane and is disposed between floor surfaces. The lower frame is mounted on a waterproof member laid in the first chamber, and a lower frame main body is provided. In a lower frame structure of a sliding door having a lower frame auxiliary member detachably connected to the lower frame main body, one side of the lower frame main body on the first chamber side below the one plane includes a first side. A lower frame structure of a sliding door, wherein a support piece is provided to extend toward the room side and to support one side of the second room side of the water-permeable tread placed on the waterproof member.

According to the present invention, for example, a first bathroom
A frame is provided between the room and a second room, for example, a dressing room, and a plurality of sashes are provided on the frame so as to be openable and closable. The floor surfaces of the first chamber and the second chamber extend substantially along one plane, and the upper surface of the frame is arranged so as to be substantially flush with the one plane. When entering or exiting, it is possible to prevent a trouble such as stumbling by catching a foot on the lower frame, and to pass smoothly and safely. Such traffic safety is more important in supporting smoothness and safety of not only healthy persons but also physically handicapped persons and elderly people when they pass.

Such a lower frame is mounted on a waterproof member laid in the first chamber, and has a lower frame main body and a lower frame auxiliary member detachably connected to the lower frame main body. The water-permeable tread is supported on one side of the second chamber by a support piece provided on one side of the first frame side of the lower frame body below the one plane, and the one side of the tread is provided. The other end opposite to the portion is supported by the waterproof member and arranged on the waterproof member. Since the supporting piece is provided on the lower frame main body, the lower frame auxiliary member can be easily attached to and detached from the lower frame main body without removing the tread plate from above the waterproof member. Removal work efficiency can be improved,
This makes it possible to easily clean the inside of the lower frame.

According to a second aspect of the present invention, in the configuration of the first aspect of the present invention, the holding means for pressing the lower frame auxiliary member against the lower frame main body in a state where the lower frame auxiliary member is mounted on the lower frame main body. It is characterized by having.

According to the present invention, even if an external force generated by, for example, stepping on the tread plate acts on the supporting piece, the external force is not transmitted to the lower frame assisting member, thereby firmly attaching the lower frame assisting member to the lower frame body. There is no need to fix to. Therefore, the lower frame auxiliary member may be fixed to the lower frame main body with a weaker force than when the lower frame auxiliary member is fixed with, for example, bolts and nuts. Since the lower frame auxiliary member is pressed against the lower frame main body by the pressing means in a state where the lower frame auxiliary member is mounted on the lower frame main body, the lower frame auxiliary member is prevented from being displaced upward from the lower frame main body. Even if an inadvertent external force such as stepping on the frame auxiliary member acts, the lower frame auxiliary member is prevented from rattling or detaching in the lower frame main body. The lower frame auxiliary member can be easily fixed to the lower frame main body by pressing the lower frame auxiliary member on the lower frame main body, and the lower frame auxiliary member can be easily removed from the lower frame main body by releasing the pressed state. The work efficiency of attaching and detaching the lower frame auxiliary member to and from the lower frame main body can be improved. At the same time, the inside of the lower frame can be easily cleaned.

According to a third aspect of the present invention, in the configuration of the first or second aspect, the lower frame auxiliary member includes
A grip member is provided which is displaceable between a first position facing downward with respect to the upper surface and a second position projecting upward with respect to the upper surface.

According to the present invention, the lower frame auxiliary member is provided with a gripping member. The gripping member can be displaced between a first position facing downward with respect to an upper surface of the lower frame auxiliary member and a second position protruding facing upward with respect to the upper surface of the lower frame auxiliary member. By disposing the gripping member at the second position, the lower frame auxiliary member can be easily removed from the lower frame main body, and the lower frame auxiliary member can be attached to the lower frame main body. In addition, in a state where the gripping member is disposed at the first position, the gripping member faces downward from the upper surface of the lower frame auxiliary member, so that it does not obstruct the passage and does not hinder the opening / closing operation of each sliding door.

[0015]

FIG. 1 is an enlarged sectional view of the vicinity of a lower frame 3 in which a lower frame structure of a sliding door according to an embodiment of the present invention is implemented. For example, a bathroom 4 as a first room and a dressing room 5 as a second room in hospitals and nursing homes are separated by an interlocking sliding door 1. The interlocking sliding door 1 includes a frame 6 made of an extruded shape member made of an aluminum alloy, and three sliding doors 7 which fit into the frame 6 so as to be freely opened and closed in a direction perpendicular to the plane of FIG.
a, 7b, 7c. Each shoji 7a, 7b, 7c
Is provided with a pair of lower door wheels 8a, 8b, and 8c, respectively, which partially protrude downward from the lower end thereof. In this embodiment, the sliding door 7a disposed closest to the bathroom 4 is moved to move the sliding door 7a to an intermediate sliding door. 7b follows and moves in the same direction,
The two sliding doors 7a and 7b can be opened and closed in conjunction with each other.

In the bathroom 4, a waterproof pan 9 as a waterproof member made of fiber reinforced plastic (abbreviated as FRP) is laid, and on the waterproof pan 9 in the bathroom 4, one side part of a water-permeable tread 10 is provided. Are arranged as shown in FIG. The peripheral wall 9a of the waterproof pan 9 rises and extends toward the undressing room 5 beyond the lower part of the lower frame 3 and extends from the bathroom 4 to the undressing room 5.
Dressing room 5 so that water splashing toward
From the bottom to the bathroom 4. The lower frame 3 is mounted and supported on such a peripheral wall 9.

A floor plate 11 made of plywood or the like is laid substantially horizontally on the undressing room 5 side. The sushi 10
The upper surface 12 of the bathroom 4 constitutes the floor surface of the bathroom 4, and the upper surface 13 of the floor plate 11 constitutes the floor surface of the undressing room 5.
13 extends substantially along one plane, and the lower frame 3 is provided below the one plane.

The lower frame 3 has a hollow and substantially U-shaped lower frame main body 15 and a lower frame auxiliary member 16 detachably connected to the lower frame main body 15. The lower frame main body 15 is connected to a base 18 provided below the one plane, and is bent upward from one side of the base 18 near the undressing room 5 to form a shoji screen 7c disposed closest to the undressing room 5. The upper surface 19 to be supported is formed on the undressing room side rising portion 20 formed substantially in the same plane as the one plane, and the upper surface 21 is bent upward from the other side portion of the base portion 18 near the bathroom 4 so as to be continuous. It has a bathroom-side rising portion 22 formed substantially flush with one plane.

The lower frame assisting member 16 has a plurality of guide rails 23 and 24 each having a substantially flat upper surface for supporting the shoji 7a arranged on the bathroom 4 side and the shoji 7b arranged in the middle.
Are formed integrally, and anti-slip members 25 and 26 are attached to one side of the guide rails 23 and 24 on the undressing room 5 side.

The lower frame assisting member 16 has a flat lower flange 28 supported by the base 18 of the lower frame main body 15, and is erected on the lower flange 28, and has the guide rail 23 at its upper end parallel to the longitudinal direction. , 24 are bent at substantially right angles to the bathroom 5 side, and a pair of webs 29, 30 are connected to each other.
A pair of horizontal arm portions 31 and 32 which are bent at substantially right angles to the undressing room 5 side below the upper end portion where the 30 guide rails 23 and 24 are continuous, and a pair of the horizontal arm portions 31 and 32 have the most undressing room 5. A pair of rising arms 33, 34, which are bent upward at substantially right angles from the end on the side, and are continuous with each other;
4 and a pair of support portions 35 and 36 that support the anti-slip members 25 and 26 slightly below the guide rails 23 and 24, respectively, and undress from the upper ends of the webs 29 and 30. Support projections 39, 40 projecting substantially perpendicularly to the chamber 5 and supporting the side surfaces 37, 38 of the anti-slip members 25, 26 supported by the support portions 35, 36 on the bathroom 4 side from the bathroom 4 side. And

Each of the guide rails 23 and 24 is
Horizontal portions 41 and 42 which bend at right angles to the bathroom 4 side from the upper end portions of the components 9 and 30 and bent portions which are bent at substantially right angles downward from the ends of the horizontal portions 41 and 42 closest to the bathroom 4 and continue. 43 and 44. The upper surface 45 of one of the guide rails 23 provided on the bathroom 4 side supports the shoji 7a disposed closest to the bathroom 4, and the upper surface 46 of the guide rail 24 provided at the center supports the central shoji 7b. These upper surfaces 45 and 46 are formed so as to be substantially flush with the one plane. These upper surfaces 45 and 46 are also formed with irregularities extending perpendicularly to the paper surface of FIG. 1 in order to prevent passers-by from slipping their feet.

As described above, the undressing room-side rising portion 20 is formed of the undressing room-side side wall portion 48 and the undressing room-side side wall portion 48 that bend upward from one side of the base portion 18 closest to the undressing room 5 and stand up. A guide rail 49 having a substantially flat upper surface continuing from the upper end to the bathroom 4 side at a substantially right angle, and the undressing room side wall portion 48;
The upper part 50 of the undressing room on the side of the undressing room 5 that is perpendicular to the side of the undressing room 5 and the rising part 51 that is bent upward at right angles from one side of the upper side of the undressing room 5 on the side of the undressing room 5. And a falling portion 52 which is bent downward at a right angle from the one side portion of the undressing room side upper flange portion 50 and is continuous therewith.
A locking ridge portion 53 which is bent at a right angle from the upper end of the rising portion 51 to the undressing room 5 side and continues;
2 has a mounting plate-shaped portion 54 which is bent at right angles to the undressing room 5 side and extends from the lower end of the mounting plate 2 and is disposed on the floor plate 11. The mounting plate portion 54 is fixed to the floor plate 11 by a countersunk screw 47.
And the cover body 57 is screwed and covered.

The guide rail 49 includes a horizontal portion 55 which is bent at right angles to the bathroom 4 from the upper end of the undressing room side wall portion 48 and extends perpendicularly downward from the end of the horizontal portion 55 closest to the bathroom 4. And a bent portion 56 that bends and falls. From the upper flange portion 50 on the dressing room side to the guide rail 4
As in the case of the guide rails 23 and 24 described above, in a region where the lower door 8c of the shoji 7c disposed closest to the undressing room 5 on the upper surface 19 extending over 9 runs in the longitudinal direction perpendicular to the plane of FIG. An extended concavo-convex surface is formed, and is configured to prevent a foot from slipping when passing.

The bathroom-side rising portion 22 includes a bathroom-side side wall portion 58 that rises substantially perpendicularly from the end of the base portion 18 closest to the bathroom 4 and rises upward, and a bathroom 4 from the upper end of the bathroom-side side wall portion 58. A bathroom-side upper flange portion 59 which is bent at a right angle to the side and extends substantially horizontally, and a falling portion 60 which is bent at a substantially right angle downward from the free end of the bathroom-side upper flange portion 59 on the bathroom 4 side to fall. Having. One side of the bathroom 18 on the side of the bathroom 4 of the base 18 is also bent downward at a right angle to fall and falls, and from the lower end of the fall portion 61 is bent at a substantially right angle into the bathroom 4 and continues. Tenko 10
And a supporting piece 62 for supporting one side of the undressing room 5 is integrally formed.

The base 18 includes a lower portion 65 on which the lower flange 28 of the lower frame assisting member 16 is mounted, a step portion 66 rising upward from an end of the lower portion 65 on the undressing room 5 side, and a step portion 6.
A bathroom side provided directly below a web 29 on the bathroom 4 side with an upper step portion 67 extending at right angles to the undressing room 5 side from the upper end portion of the bathroom 6 and the lower frame auxiliary member 16 mounted on the base portion 18. The undressing room side leg 69 extending downward from the intersection of the leg 68 and the stepped portion 66 and the end of the lower step 65 near the undressing room 5.
And

An end surface 72 of the lower flange 28 of the lower frame assisting member 16 on the undressing room 5 side is in contact with a side surface 71 facing the bathroom 4 side of the stepped portion 66 rising from the lower step portion 65. Are positioned in the width direction, which is the horizontal direction in FIG. Further, the end surface 73 of the lower flange 18 of the lower frame auxiliary member 16 on the bathroom 4 side contacts the inner surface 74 of the bathroom side wall portion 58 of the bathroom side rising portion 22, and thus the width direction of the lower frame auxiliary member 16 in the width direction. The displacement is restricted.

The lower flange 28 is provided with three legs 75, 76, 77 projecting downward.
The legs 77 arranged closest to the undressing room 5 are curved toward the bathroom 4 as they go downward. When the lower frame auxiliary member 16 is mounted on the lower frame main body 15, the leg portion 77 of the lower flange 28 is guided by the side surface 71, and can be easily fitted between the side surface 71 and the inner surface 74 of the lower frame main body 15. it can. In this state, the lower frame body 15
The lower frame assisting member 16 is mounted on the base portion 18, and the lower flange 28 is pressed onto the base portion 18 by a pressing means 81 described later, thereby preventing the lower frame assisting member 16 from being pulled out from the lower frame main body 15. The lower frame main body 15 and the lower frame auxiliary member 16 are made of an extruded member made of an aluminum alloy.

In the lower frame auxiliary member 16, drain holes 82 a and 82 b are formed in the base 13, and drain holes 82 c and 82 d are formed in the webs 29 and 30, respectively. In the lower frame body 15, drain holes 83 a and 83 b are formed in the base 18, and a drain hole 83 c is formed in the bathroom side wall portion 58. A plurality of drain holes 82a to 82d; 83a to 83c are formed at intervals in the longitudinal direction perpendicular to the plane of FIG.

The one anti-slip member 25 provided on the bathroom 4 side protrudes downward from a band-like portion 85 having a rectangular cross section and one side of the band-like portion 85 on the bathroom 4 side.
An engaging claw portion 86 which engages with the engaging claw portion 5; a bent portion 87 which is bent from the other side of the strip-shaped portion 85 on the undressing chamber 5 side to the same side as the engaging claw portion 86 at a substantially right angle; A plurality (2 in this embodiment) projecting upward from the upper surface 88 of the
And a ridge portion 89. Such an anti-slip member 2
In 5, the strip portion 85, the engaging claw portion 86 and the bent portion 87 are made of hard polyvinyl chloride, and each of the ridge portions 89 is made of soft polyvinyl chloride. The upper surface 88 is disposed on substantially the same plane as the one plane.

The other anti-slip member 26 disposed on the other side of the undressing room 5 has the same configuration as the anti-slip member 25 disposed on the bathroom 4 side.

In a state in which the respective anti-slip members 25 and 26 are mounted on the support portions 35 and 36, respectively, the gap between the bent portion 87 and the bent portions 44 and 56 which are horizontally opposed to the bent portion 87 is provided. Are formed with openings 90b and 90c having a predetermined width B1. An opening 90a is similarly formed between the bent portion 43 of the guide rail 23 on the bathroom 4 side and the bathroom side wall portion 58. These openings 90a
Guide pieces 92a, 92b connected to the lower ends of the skirt portions 91a, 91b, 91c that fall below the one plane from the inner wall of the lower part of each of the shoji screens 7a to 7c on the bathroom 4 side, respectively. 92c is fitted. Each guide piece 9
2a to 92c have a width B2 in the width direction perpendicular to the opening / closing direction (direction perpendicular to the paper surface of FIG. 1) of each of the sliding doors 7a to 7c, and this width B2 is greater than the width B1 of each of the openings 90a to 90c. Slightly smaller. Specifically, each of the openings 90a to 90
When the width B1 of c is selected to be B1 = 5.0 mm, the width B2 of each of the guide pieces 92a to 92c is B2 = 4.5 to 4.7 mm.
Is chosen.

The guide pieces 92a to 92c prevent the sliding doors 7a to 7c from inadvertently rattling in the width direction perpendicular to the opening and closing direction, and can smoothly open and close. These guide pieces 92a to 92c are made of synthetic resin having good slipperiness. Nylon (trade name) is selected as such a synthetic resin having good slipperiness.

The support portions 35, 36 on which the above-described slip prevention members 25, 26 are mounted are spaced apart from the falling portions 44, 56, which are horizontally opposed portions, by a distance Δ in the horizontal direction.
b, and the interval Δb is selected to be larger than the width B1 of the openings 90a to 90c. Specifically, each opening 90a
When the width B1 of ~ 90c is selected to be 5.0 mm, the interval Δ
b is selected to be 8.0 mm. When the lower frame auxiliary member 16 made of an aluminum alloy is manufactured by extrusion, it is difficult to accurately extrude the lower frame auxiliary member 16 with an interval of 5 mm or less between adjacent molded portions. Spacing Δb between each of the supporting portions 35 and 36 and each of the falling portions 44 and 56, which are the portions, is made wider, and after the lower frame auxiliary member 16 is manufactured, the anti-slip members 25 and 26 are separately attached. Opening 90a having a predetermined width B1
90c is formed. With this configuration, the opening and closing operations of each of the shojis 7a to 7c can be smoothly guided without causing a manufacturing defect, and the width B1 = 5. Opening 90a having 0 mm
90c is formed, and water scattered from the bathroom 4 toward the undressing room 5 is dropped into the lower frame through each of the openings 90a to 90c, and is discharged into the lower frame 3 through each of the drain holes 82a to 82d; 83a to 83c. Water can be drained onto the waterproof pan 9 on the bathroom 4 side.

FIG. 2 is a vertical sectional view showing the entire structure of the interlocking sliding door 1 provided with the lower frame 3 as viewed from the side, and FIG. 3 is a horizontal sectional view showing the entire structure of the interlocking sliding door 1 viewed from above. FIG. 4 is a front view of the interlocking sliding door 1 as viewed from the bathroom 4 side. The frame body 6 includes the lower frame 3 described above and a pair of vertical frames 9 whose lower ends are connected at right angles to both longitudinal ends of the lower frame 3.
5 and 96, and an upper frame 97 connected at a right angle to each upper end of each of the vertical frames 95 and 96. Also, the shoji screen 7a arranged on the bathroom 4 side includes a pair of vertical frames 98a, 99a and each vertical frame 9a.
It has an upper frame 100a connected to each upper end of 8a and 99a at right angles, and a lower frame 101a connected to each lower end of each vertical frame 98a and 99a at right angles.

A plate glass 102a is held in a watertight state by packing 103a on the inner peripheral portion framed by the vertical frames 98a, 99a, the upper frame 100a and the lower frame 101a. On the upper frame 100a, the lower surface 104a of the upper frame 97
Is provided with a pair of upper wagons 105a that resiliently contact with the upper sheave. The remaining shojis 7b and 7c have the same configuration as the above-described shoji 7a on the bathroom 4 side, and the corresponding portions are given the same numbers with the suffix b or the suffix c to avoid duplication. Omitted.

The combining part of each of the shoji screens 7a, 7b, 7c,
That is, one of the vertical frames 98a, 98b, 99b, 9 that overlaps in the direction of passing between the bathroom 4 and the undressing room 5 (the left-right direction in FIGS. 2 and 3) with the respective sliding doors 7a to 7c closed.
9c, contact pieces 106a, 106b1, 1 made of a material having flexibility and elasticity, such as rubber,
06b2 and 106c are provided respectively.

Further, a shoji 7a arranged closest to the bathroom 4
Handles 107 and 108 projecting toward the bathroom 4 and the undressing room 5 are fixed to the vertical frame 99a. The handle 108 provided on the undressing room 5 side has a protrusion amount ΔL1 to the grip portion 109 which extends vertically compared to the handle 107 provided on the bathroom 4 side, larger than the protrusion amount ΔL2 of the grip portion 110 of the handle 107 on the bathroom 4 side. The protrusion amount ΔL1 is selected so that the user can insert his / her finger from the surface of the sliding door on the undressing room 5 side to hold the grip 109 while the sliding doors 7a to 7c are open. Therefore, three shoji screens 7a-
Even when the bathroom 7 and the dressing room 7c are open and overlap each other in the direction of traffic, the shoji on the bathroom 4 side can be safely prevented without fingering or the like gripping the grip portion 109 on the undressing room 5 side. 7a and the center shoji 7b can be opened and closed.

As shown in FIG. 2, the waterproof pan 9 includes a drain groove 1 having a U-shaped cross section including the peripheral wall 9a.
13 are formed. The drain groove 113 is provided on the peripheral wall 9.
a, a bottom wall 9b connected to the lower end of the peripheral wall 9a, and having a drainage gradient inclined downward from the back to the front in the paper of FIG. 2, and an end of the low wall 9b farthest from the undressing room 5. And an inner wall 9c extending upwardly. At the upper end of the inner wall 9c, a bathroom bottom 9d inclined downward toward the drain groove is formed continuously. A plurality of raised portions 9a1 and 9c1 are formed on the peripheral wall 9a and the inner side wall 9c at intervals in an extending direction perpendicular to the paper surface of FIG. Is done. The lower frame 3 is mounted and supported on each raised portion 9a1 of the peripheral wall 9a. As a result, the lower frame 3 is partially disposed so as to protrude from the peripheral wall 9a to the drain groove 113 side between the protruding portions 9a1, so that a part of each of the drain holes 82a to 82 is provided.
83a to 83c are arranged facing the drain groove 113, and these drain holes 82a to 82d;
Thus, the water in the lower frame 3 can be smoothly discharged to the drain groove 113. Therefore, it is possible to prevent a problem that the water remains in the lower frame 3 and the water overflows from the lower frame 3. Further, when the lower frame 3 is arranged as described above, one side of the undressing room 5 on the undressing room 5 cannot be supported by the waterproof pan 9, so that the lower frame 3 is provided with the support pieces 62. On each raised portion 9c1 of the inner wall 9c,
The other side opposite to the one side of the undressing room 5 is mounted and supported. Such a drain groove 113 is provided in each vertical frame 9.
The drainage groove 113 is provided so as to cover almost the entire length of the drainage groove 113.

The bed 10 has a frame 114 made of an extruded member made of an aluminum alloy, and a plurality of upper cover bodies 115 mounted on the frame 114. Frame 11
4 are a plurality of main girder portions 11 extending in parallel in the width direction which is the left-right direction of FIG.
6, a plate-shaped connecting portion 117 for connecting the lower ends of the main girder portions 116 in the width direction, and a road width of each main girder portion 116 is arranged below the main girder portions arranged on both sides and the central main girder portion. Inverted T-shaped leg portions 1 protruding downward from connecting portion 117 correspondingly.
18. End plates 119 are attached to both ends of the frame 114 in the longitudinal direction. On the mutually opposing surfaces of the end plate 119, a first protrusion 120 fitted from the outside to the main girder portion 116 and the leg portion 118 arranged on both sides in the width direction, and both sides of the main girder portion 116 at the central portion. A pair of second protrusions 121 for supporting the connecting portion 117 from below under each main girder portion 116 are formed, and both end portions of the frame 114 are covered by these end plates 119 in the longitudinal direction. . These end plates 119 are made of polyacetal.

The upper cover body 115 has a configuration similar to the above-described slip prevention members 25 and 26. Referring also to FIG. 1, each upper cover body 115 includes a band-shaped base 123 and thin portions 124 a and 124 connected to both ends in the width direction of the base 123.
b and a pair of hanging parts 125a, 125b bent downward at right angles from the outer parts of the thin parts 124a, 124b and continued.
And A pair of ridges 127a and 127b are formed in parallel and integrally on an upper surface 126 which forms a part of the upper surface 12 of the base 123. These ridges 127
a, 127b is made of soft polyvinyl chloride.

The lower ends of the hanging parts 125a and 125b are:
The bent portions 128a and 128b are formed to expand in a direction away from each other as they go downward, that is, as they move away from the base portion 123 and the thin portions 124a and 124b, and each thin portion is formed from the base of these bent portions 128a and 128b. Parallel part 12 over the parts 124a and 124b
9a and 129b are formed.

Inwardly projecting portions 130a and 130b projecting in directions approaching each other are formed between the bent portions 128a and 128b and the parallel portions 129a and 129b.

The distance between the mutually facing inner surfaces of the parallel portions 129a and 129b is determined by the distance between the flanges 13 of each main girder 126.
1 is selected to be approximately equal to the width of each bent portion 128a, 12b.
The free end 8b is formed to be wider than the width of the flange 131. Furthermore, each inward projection 130a, 130
The interval of b is selected to be smaller than the width of the flange 131,
The upper cover body 115 is prevented from being pulled out of the flange 131 by these inward projections 130a and 130b. When the upper cover body 115 is mounted from above the flange 131 by the inclined inner surfaces of the bent portions 128a and 128b facing each other, the flange portion 131 is connected to the parallel portion 1
It can be easily mounted by smoothly guiding between 29a and 129b. Moreover, since each of the hanging parts 125a, 125b is formed to be continuous with the base parts 123, 123 via the thin parts 124a, 124b, each of the hanging parts 125a, 1
25b can be easily expanded and the mounting work is easy without requiring a large force for mounting. Furthermore, each ridge 1
Since 27a and 127b are made of soft polyvinyl chloride, they have a soft feeling to the soles of the feet when stepped on while walking, so that the feet can be slipped even when wet without causing pain or discomfort due to biting. Is prevented. This means that the anti-slip member 25 provided on the lower frame 3
The same applies to 26.

Each of the upper cover members 125 thus configured
Are mounted on the flanges 131 of the main beam portions 116 of the frame 114, respectively.
A plurality of drain holes 132 extending in the longitudinal direction perpendicular to the paper surface of FIGS. 1 and 2 are formed therebetween. A plurality of through-holes 133 are formed in the connecting portion 117 at intervals in the longitudinal direction corresponding to the positions where the drain holes 132 are formed.
It is formed every two. With these drain holes 132 and through holes 133, the water scattered or flowed out on the cage 10 falls onto the drain groove 113, and is drained through a drain pipe (not shown).

FIG. 5 is an enlarged sectional view showing a specific structure of the holding means 81, FIG. 6 is an exploded perspective view of the holding means 81, and FIG. 7 is a lower frame main body to which the lower frame auxiliary member 16 is attached. FIG. 8 is a partial cross-sectional view of the lower frame 3 provided with the pressing means 81 at 15 when viewed from above. FIG. 8 is a front view of a part of the vicinity of the pressing means 81 of the lower frame 3 as viewed from below in FIG. is there. The holding means 81 is provided with the lower flange 28 of the lower frame assisting member 16.
A pair of engaging claws 142a, 1
A holding member 143 integrally formed with the holding member 42b and an engaging recess 144 with which the engaging claws 142a and 142b of the holding member 143 are engaged.
Plate-shaped guide piece 1 arranged along the side wall portion 58 closer to it
The operation member 14 which protrudes vertically from a central portion in the longitudinal direction perpendicular to the paper surface of FIG.
And 7.

The pressing member 143 and the operating member 147 are made of synthetic resin, for example, nylon (trade name). Each of the engaging claws 142a, 142b is provided on the side wall portion 58.
A guide slot 149 into which the base end portion 148 of the base member 148 can be movably inserted in the longitudinal direction is formed. This guide slot 14
9 from above and the guide slot 149
The lower guide surface 151 is formed to be slightly inclined downward from the upstream in the operation direction A toward the downstream, that is, in a direction approaching the base 18. With the upper guide surface 150 and the lower guide surface 151, when the operation piece 146 is gripped with a finger and operated in the operation direction A, the base end portion 14
8 is guided downward from above, and the lower surface 1 of the holding piece 141 is
41a is the upper surface 15 of the lower flange 28 of the lower frame auxiliary member 16.
2 is slightly separated upward from the lower surface 141.
a can be displaced to a state where it contacts and presses the upper surface 152. Even if an external force generated by stepping on the pen 10 acts on the support piece 62, the external force is not transmitted to the lower frame auxiliary member 16, thereby firmly fixing the lower frame auxiliary member 16 to the lower frame main body 15. No need. Accordingly, the lower frame auxiliary member 16 may be fixed to the lower frame main body 15 with a smaller force than when the lower frame auxiliary member 16 is fixed with, for example, bolts and nuts.

A notch 153 is formed in the lower flange 28 over a range surrounding the pressing piece 141 in a state where the pressing piece 141 of the pressing member 143 is arranged at the most upstream position in the operation direction A. The lower frame auxiliary member 16 can be removed from the lower frame main body 15 or attached to the area where the notch 153 is formed, with the holding piece 141 disposed. Further, by displacing the operation member 147 to the downstream side in the operation direction A that is the pressing direction, the lower surface 141a of the pressing piece 141 presses the upper surface 152 of the lower flange 28 as described above. The lower frame auxiliary member 16 is prevented from being displaced upward from the frame main body 15, and the lower frame auxiliary member 16 does not rattle in the lower frame main body 15 even when an inadvertent external force such as stepping on the lower frame auxiliary member 16 is applied during traveling. It is prevented from occurring or coming off.

The length of the guide slot 149 in the operating direction A is selected to be about twice the length of the notch 153 in the operating direction A. Thus, almost the entire lower surface 141a of the holding piece 141 can be brought into contact with the upper surface 152 of the lower flange 28 and pressed.

The guide piece 145 has such a shape that the guide slot 149 can be always closed from the bathroom 4 side even if the operation piece 146 is displaced from the upstream end to the downstream end in the operation direction A. Is selected, and the operation piece 146 is prevented from shaking, thereby enabling a smooth operation of the operation piece 146. Each of the engaging claws 142a and 142b is formed on the pressing piece 141 with a vertical interval, and the arrangement direction is selected to be perpendicular to the operation direction A, thereby moving the operation piece 146 in the operation direction A or in the opposite direction. Even if the operation is performed, the engaging claws 142a and 142b are not displaced in a direction approaching each other and disengaged from the engaging recess 144 of the operation piece 146. When connecting the holding member 143 and the operation member 147, the operation piece 146 is connected to the side wall portion 58.
Is vertically arranged along the surface of the bathroom 4 side facing the guide slot 149, and the pressing member 143 is arranged on the back side thereof, that is, on the surface side of the side wall portion 58 facing the undressing room 5. The engaging claws 142a and 142b are inserted into the guide slots 149 and pushed into the engaging recesses 144, so that the engaging claws 142a and 142b are formed to protrude in opposite directions to the respective tips. The portions 154a, 154b of the engaging claws 142a, 142b, which are stepped and open from the passage 155 through which the engaging claws 142a, 142b can pass in the engaging recess 144 in a state of being close to each other, are formed. Step portions 157a, 157 formed between the head housing space 156
b and is prevented from coming off.
The operation member 43 and the operation member 147 are connected so as to be movable in the operation direction A and the opposite direction with the side wall portion 58 interposed therebetween.

As described above, the holding means 81 includes the operating member 1.
47 is operated in the operation direction A so that the pressing member 1
43, the lower frame auxiliary member 16 is pressed against the lower frame main body 15, and the operating member 147 is operated in the opposite direction to the operation direction A to release the pressed state. The lower frame auxiliary member 16 can be easily attached to and detached from the lower frame main body 15 and can be easily fixed and released.
The work efficiency of the attachment and detachment can be improved. At the same time, the inside of the lower frame 3 can be easily cleaned.

FIG. 9 is a cross-sectional view showing the structure of the holding means 161. FIG. 10 is a cross-sectional view taken along the line XX of FIG. In the vicinity of both longitudinal ends of the lower frame auxiliary member 16, gripping means 161 are provided for easily removing or attaching the lower frame auxiliary member 16 from the lower frame main body 15. This gripping means 161 forms a notch 162 near the longitudinal end of the lower frame auxiliary member 16 at a position where the lower rail 8a or lower rail 8b of the guide rail 23 or the center guide rail 24 does not abut. Notch 16
A gripping piece 163 made of nylon (trade name) fits into and out of the housing 2.

A shaft hole 165 into which a sleeve 164 is inserted is formed at one longitudinal end of the gripping piece 163 in the left-right direction in FIG.
The shaft portion 167 of the screw 166 is inserted into 64. A web 29 connected to the guide rail 23 or the guide rail 24
Alternatively, a screw hole 168 into which the shaft portion 167 of the screw 166 is screwed is formed through the web 30 in the thickness direction.

The free end of the gripping piece 163 has a peripheral edge facing the notch 162 of the guide rail 23 or the guide rail 24 when it is angularly displaced around the rotation axis 169 of the gripping piece 163 common to the center axis of the screw 166. In order to prevent the part 170 of the portion from interfering with the free end, the virtual circle 172 having a radius equal to the distance between the part 170 of the peripheral portion facing the free end and the inner peripheral surface portion 171 is used. Is retracted toward the axis 169, that is, toward one end, and is formed in a stepped shape. The virtual circle 172 is located above the free end of the gripping piece 163.
An engagement protrusion 173 projecting outward in the radial direction is formed, and the engagement protrusion 173 is supported by being in contact with the guide rail 23 or a part 170 of the peripheral edge of the guide rail 24 from above. Thus, the gripping piece 163 is arranged at the first position. In this state, the upper surface of the gripping piece 163 slightly protrudes from the upper surface of the guide rail 23 or 24. Since the gripping piece 163 faces downward from the upper surface of the lower frame assisting member 16, it does not interfere with the through-hole, and also,
There is no problem in opening and closing operations of a and 7b.

A through hole 174 is formed slightly closer to the base end than the free end of the gripping piece 163. By forming the through hole 174, the gripping piece 163 is pushed by a finger toward the base end from the vertical plane including the axis 169, that is, toward the left in FIG. At the second position in which the angular displacement is made in the direction and the projection faces upward, the upper part of the through hole 174 can be gripped with fingers and pulled up without any displacement.

Such a holding means 161 is a virtual plane perpendicular to the longitudinal direction that bisects the lower frame auxiliary member 16 in the longitudinal direction so as to also face the vicinity of the other longitudinal end of the lower frame auxiliary member 16. Are provided in plane symmetry with respect to. The lower frame auxiliary member 16 can be easily removed or attached from the lower frame main body 15 using such a gripping means 161.
Each of the above-mentioned vertical frames 95 and 96 has a plurality of ribs 177 and 178 (refer to FIG. 3) called door flaps. The lower ends of these ribs 177 and 178 have a thickness equal to the thickness of the lower frame auxiliary member 16. Notched above the plane.

With the above configuration, the lower frame 3 has the lower frame main body 15 and the lower frame auxiliary member 16 detachably connected to the lower frame main body 15, and the lower frame auxiliary member 16 is
A plurality of guide rails 23 and 24 supporting a to 7c are integrally formed. Thus, when the lower frame auxiliary member 16 is attached to or detached from the lower frame main body 15, as described in connection with the conventional technique, each time the lower frame auxiliary member 16 is installed or removed, each lower frame auxiliary member 16 is removed. It is not necessary to mount or remove the guide rails one by one,
The lower frame auxiliary member 16 provided with 3 and 24 can be attached to and removed from the lower frame main body 15. The work efficiency of attaching and detaching the lower frame auxiliary member 16 to and from the lower frame main body 15 can be improved.

Each guide rail 2 of the lower frame auxiliary member 16
Slip prevention members 25 and 26 are attached to 3 and 24, respectively. The slip prevention members 25 and 26 prevent the feet from slipping when passing, and improve the safety when passing. Anti-slip members 25 and 26 mounted on each of the guide rails 23 and 24 and portions 44 and 5 horizontally opposed thereto.
6, openings 90b and 90c extending in the longitudinal direction of the lower frame 3 and having a predetermined width B1 are formed. By such openings 90b and 90c, water scattered on the lower frame 3 and water flowing down along each of the sliding doors 7a to 7c can be guided into the lower frame 3 and collected, and the floor surface of the undressing room 5 can be recovered. The problem of being wet by the water flowing out of the bathroom 4 can be prevented. The predetermined width B1 of the opening
Is selected, for example, to a width that does not allow the toes of a child to fit in, and this width is, for example, 5 mm. As described above, the width B1 of the opening can be set by the slip preventing members 25 and 26. Therefore, when manufacturing the lower frame assisting member 16, it is not necessary to reduce the interval between the guide rails 23 and 24 unnecessarily. For example, by cutting an extruded product formed by extrusion molding into a predetermined length, the lower frame auxiliary member 16 in which the plurality of guide rails 23 and 24 are integrally formed can be manufactured, and productivity is improved. Is done.

Further, one side of the undressing room 5 is supported by a support piece 62 provided on one side of the bathroom 4 side of the lower frame body 15 below the one plane. The other side opposite to the one side is supported by the waterproof pan 9 and disposed on the waterproof pan 9. Support piece 6
2 is provided on the lower frame main body 15, so that the lower frame auxiliary member 16 can be easily attached to and detached from the lower frame main body 15 without removing the pen 10 from the waterproof pan 9.
The work efficiency of attaching and detaching the lower frame body 15 can be improved, so that the lower frame 3 can be easily cleaned.

As another embodiment of the present invention, as shown in FIG. 3, when the total length in the longitudinal direction of the lower frame auxiliary member 16 and each of the anti-slip members 25 and 26 is L1, undressing is performed. All of the sliding doors 7a to 7b are arranged such that the remaining sliding doors 7a and 7b overlap with the side of the room 5 where the sliding door 7c is arranged.
c, the lower frame auxiliary member 16 and each of the anti-slip members 25 and 26 are connected to all the sliding doors 7a to 7a.
The length L2 is at least substantially equal to the width of each of the shojis 7a to 7c from one end in the longitudinal direction on the side where c is disposed.
= L1 / 3. By dividing the lower frame auxiliary member 16 attached to the lower frame main body 15 in this manner, all the sliding doors 7a to 7c are pulled to one side, and in this embodiment, all the sliding doors 7a to 7c are pulled to the side where the mating sliding door 7c is arranged. In this state, the long portion of the lower frame auxiliary member 16 protruding from each of the lower frames 3 is removed from the lower frame main body 15 using the gripping means 161, and after cleaning the inside of the lower frame main body 15 and the like, again. The lower frame 3 can be easily cleaned without removing all the sashes 7a to 7c using the gripping means 161.

In each of the embodiments of the present invention described above, a single sliding door has been described. However, as another embodiment of the present invention, the present invention can be suitably applied to a double sliding door.

Further, the lower frame auxiliary member 16 is divided so as to be half of the total length in the longitudinal direction so as to have the same length, or divided so that when the sliding door is opened, the divided portion is not arranged under the sliding door. Can obtain the same effect.
When the lower frame assisting member 16 is further divided, the pressing means 81 and the gripping means 161 may be provided for each of the divided members.

[0062]

According to the first aspect of the present invention, a frame is provided between the first room, for example, a bathroom, and the second room, for example, a dressing room. Are openably and closably provided. The floor surfaces of the first chamber and the second chamber extend substantially along one plane, and the upper surface of the frame is arranged so as to be substantially flush with the one plane. When entering or exiting, it is possible to prevent a trouble such as stumbling by catching a foot on the lower frame, and to pass smoothly and safely. Such traffic safety is more important not only for healthy persons, but also for supporting smoothness and safety of physically handicapped persons and elderly people when they pass.

Such a lower frame is mounted on a waterproof member laid in the first chamber, and has a lower frame main body and a lower frame auxiliary member detachably connected to the lower frame main body. The water-permeable tread is supported on one side of the second chamber by a support piece provided on one side of the first frame side of the lower frame body below the one plane, and the one side of the tread is provided. The other end opposite to the portion is supported by the waterproof member and arranged on the waterproof member. Since the supporting piece is provided on the lower frame main body, the lower frame auxiliary member can be easily attached to and detached from the lower frame main body without removing the tread plate from above the waterproof member. Removal work efficiency can be improved,
This makes it possible to easily clean the inside of the lower frame.

According to the second aspect of the present invention, even if an external force generated by stepping on the tread plate acts on the supporting piece, the external force is not transmitted to the lower frame assisting member, so that the lower frame assisting member is moved. There is no need to firmly fix to the lower frame body. Therefore, the lower frame auxiliary member may be fixed to the lower frame main body with a weaker force than when the lower frame auxiliary member is fixed with, for example, bolts and nuts. The lower frame auxiliary member is attached to the lower frame body,
Since it is pressed against the lower frame body by the pressing means,
The lower frame auxiliary member is prevented from being displaced upward from the lower frame main body, and even if an inadvertent external force such as stepping on the lower frame auxiliary member during passage is applied, the lower frame auxiliary member is rattled in the lower frame main body. This prevents sticking and detachment. The lower frame auxiliary member can be easily fixed to the lower frame main body by pressing the lower frame auxiliary member on the lower frame main body, and the lower frame auxiliary member can be easily removed from the lower frame main body by releasing the pressed state. The work efficiency of attaching and detaching the lower frame auxiliary member to and from the lower frame main body can be improved. At the same time, the inside of the lower frame can be easily cleaned.

According to the third aspect of the present invention, the lower frame assisting member is provided with the gripping member. The gripping member can be displaced between a first position facing downward with respect to an upper surface of the lower frame auxiliary member and a second position protruding facing upward with respect to the upper surface of the lower frame auxiliary member. By disposing the gripping member at the second position, the lower frame auxiliary member can be easily removed from the lower frame main body, and the lower frame auxiliary member can be attached to the lower frame main body. In addition, in a state where the gripping member is disposed at the first position, the gripping member faces downward from the upper surface of the lower frame auxiliary member, so that it does not obstruct the passage and does not hinder the opening / closing operation of each sliding door.

[Brief description of the drawings]

FIG. 1 is an enlarged sectional view of the vicinity of a lower frame 3 in which a lower frame structure of a sliding door according to an embodiment of the present invention is implemented.

FIG. 2 is a vertical sectional view showing the entire structure of the interlocking sliding door 1 including the lower frame 3 as viewed from the side.

FIG. 3 is a horizontal sectional view showing the entire structure of the interlocking sliding door 1 as viewed from above.

FIG. 4 is a front view of the interlocking sliding door 1 as viewed from the bathroom 4 side.

FIG. 5 is an enlarged cross-sectional view showing a specific configuration of the holding means 81.

FIG. 6 is an exploded perspective view of the holding means 81.

FIG. 7 is a partial cross-sectional view of the lower frame 3 in which the holding means 81 is provided on the lower frame main body 15 to which the lower frame auxiliary member 16 is mounted, as viewed from above.

FIG. 8 is a front view of a part of the vicinity of the holding means 81 of the lower frame 3 as viewed from below in FIG.

FIG. 9 is a cross-sectional view illustrating a configuration of a holding unit 161.

FIG. 10 is a cross-sectional view taken along line XX of FIG. 9;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Interlocking sliding door 3 Lower frame 4 Bathroom 5 Dressing room 6 Frame 7a, 7b, 7c Shoji 9 Waterproof pan 10 Reiko 15 Lower frame main body 16 Lower frame auxiliary member 23, 24 Guide rail 25, 26 Slip prevention member 28 Lower flange 29, Reference Signs List 30 web 31, 32 horizontal arm 33, 34 rising arm 35, 36 support 62 support piece 81 pressing means 82a to 82d; 83a to 83c drain hole 95, 96 vertical frame 97 upper frame 113 drain groove 141 press piece 142a, 142b engaging claw 143 pressing member 144 engaging recess 146 operating piece 147 operating member 149 guiding long hole 161 gripping means 162 notch 163 gripping piece

Claims (3)

[Claims] 1. A floor surface of each of the first and second chambers extends substantially along a plane, and a plurality of sashes and a frame for holding the sashes openably and closably between the first and second rooms. And a frame, the frame body having a lower frame disposed between floor surfaces with an upper surface substantially coplanar with the one plane, wherein the lower frame is laid in the first room. Mounted on a member,
In a lower frame structure of a sliding door having a lower frame main body and a lower frame auxiliary member detachably connected to the lower frame main body, one side of the lower frame main body on the first chamber side below the one plane. Is a sliding door lower frame structure provided with a support piece extending toward the first chamber side and supporting one side of the second chamber side of the water-permeable tread placed on the waterproof member. 2. The lower frame structure for a sliding door according to claim 1, further comprising a pressing means for pressing the lower frame auxiliary member against the lower frame main body in a state where the lower frame auxiliary member is mounted on the lower frame main body. . 3. The lower frame assisting member is provided with a gripping member that can be displaced between a first position facing downward with respect to an upper surface thereof and a second position projecting upward with respect to the upper surface. The sliding door lower frame structure according to claim 1 or 2, wherein