JPH10131597A - Sash sheave for folding door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the formation of a stepped section while holding watertightness. SOLUTION: The sash sheave 30 for the folding door 1 is constituted in such a manne that the sash sheave 30 has an opening-section frame body consisting of upper-lower frames 6 and left-right frames disposed to the opening-section periphery of the opening section of a room entrance, rails 7 extended in the cross direction of the opening section while being faced to the insides of the upper-lower frames 6 of the frame body of the opening section, and at least two folding-door frame bodies arranged into the frame body of the opening section and composed of horizontal frame bodies 9 and vertical frame bodies 8, to which face materials are internally provided, and the adjacent vertical frame bodies 8 of at least two folding-door frame bodies are connected by a hinge while the sash sheaves 30 installed at the upper-lower edges of the external vertical frame bodies 8 are slid and moved along the rails 7. The sash sheaves 30 have sliding members 50 slid and moved while holding the rails 7 and case members 40, in which the sliding members 50 are housed and which are disposed into the upper and lower ends of the external vertical frame materials 8 in approximately the same surface as the edge, and spiral sections 52 spirally rotated to the sliding members 50 are formed into at least the case members 40 or while being faced to the sliding members 50 in the case members 40 at that time.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a folding door door for opening and closing a bathroom such as a unit bath.

[0002]

2. Description of the Related Art Hitherto, as this kind, those shown in FIGS. 10 to 12 have been known.

[0003] A folding door 1 as shown in FIG. 10 includes an opening frame 3 provided on a peripheral edge 2a of an entrance opening 2 of a bathroom.
It is composed of a folding door body 4.

The opening frame 3 is composed of a pair of left and right frames 5 and 5 made of an aluminum alloy and upper and lower frames 6 and 6 connecting these left and right frames 5 and 5. Rails 7, 7 are integrally provided inside the upper and lower frame bodies 6, 6 along the extending direction of the upper and lower frame bodies 6, 6.

[0005] Inside the opening frame 3, vertical frame members 8, 8 made of aluminum alloy, upper and lower horizontal frame members 9, 9 connecting these vertical frame members 8, 8 and a central horizontal frame member 10 are provided. Two folding door frames 11, 11 are formed. These two folding door frames 11, 11 have hinges 12, 12 attached to two upper and lower portions of adjacent vertical frame members 8, 8, respectively.
A folding door main body 4 is provided so that it can be freely bent from the center to the left or right side, for example, into the bathroom. It should be noted that translucent resin facings 13 are lined in the frames of the two folding door frames 11. The upper and lower edges 8a, 8a of the outer vertical frame members 8, 8 of the two folding door frame members 11, 11 are provided with rails 7,
There are provided door wheels 14, 14 that slide and move along 7 (see the lower right enlarged view of FIG. 10).

As shown in FIGS. 11 and 12, the door roller 14 has a substantially cylindrical case member 15 provided in the hollow portions of the upper and lower edges 8a, 8a of the outer vertical frame members 8, 8, and this case member. The rails 7 are composed of rail guide projections 16 which hold both side surfaces 7a of the rails 7 from both the left and right sides so as to be slidable and rotatable in the vertical direction.

The substantially cylindrical case member 15 has a flange portion 17 formed at a lower portion to form upper and lower edges 8a of the outer vertical frame members 8,8.
8a. The case member 15 is made of a synthetic resin material.

The rail guide projecting portion 16 is formed integrally with a substantially rectangular parallelepiped stopper portion 18 extending along the longitudinal direction of the rail 7 extending in the lower side. The flanges 17 of the case member 15 abut against the stoppers 18, 18 to prevent the rail guide protrusions 16, 16 from entering the outer vertical frame members 8, 8. In addition, these rail guide protrusions 16,
Between the wheels 16, there are provided wheels 19 that roll on the upper surface 7 b of the rail 7.

In such a conventional folding door 1, a handle 20 provided on the central horizontal frame member 10 from the bathroom side is shown in FIG.
Pull it forward in the middle or hinge 1 near the center from outside the bathroom.
By pressing the vicinity of two, two folding door frames 11, 11
Is folded while projecting the hinge 12 toward the bathroom, so that the entrance opening 2 of the bathroom is opened.

Further, two folding door frames 11, 11 are developed on the upper and lower frames 6, 6 of the opening frame 3, and when the entrance opening 2 of the bathroom is closed, the two folding door frames are opened. Body 11,
11 upper and lower horizontal frame members 9, 9 side surfaces 9 b, 9 b
6 are in contact with the sealing members 21 and 21 provided on the side surfaces 6a and 6a of the 6 for improving the degree of sealing. And the watertightness of a bathroom and a dressing room is maintained.

[0011]

However, in such a door roller 14 of the conventional folding door 1, as the folding door 1 is folded into, for example, a bathroom, the center of gravity of the folding door 1 shifts to the bathroom side, and the folding door 1 moves toward the bathroom side. The upper and lower horizontal frame members 9, 9 side surfaces 9 b, 9 b of the two folding door frame bodies 11, 11 descend by their own weight to the position shown by the two-dot chain line in FIG. 12. As a result, every time the folding door 1 is opened and closed, a load is applied to the door roller 14 toward the interior of the bathroom, and after many years, the assembling strength of the door roller 14 is reduced, and the lower end of the folding door 1 folded into the bathroom is reduced. Gradually hangs down and comes into contact with the floor in the bathroom, generating abnormal noise. If the contact frequently occurs, the lower end of the folding door 1 will be deformed or worn, and the water tightness between the folding door 1 and the entrance / exit opening 2 of the bathroom will be deteriorated, causing problems such as leakage into the dressing room.

In order to eliminate this problem, the distance between the bathroom floor and the rails 7 may be increased so that the rails 7 are positioned higher than the bathroom floor.
It is necessary to make the seal member 21 abut on the side surface 9b of the lower horizontal frame member 9 of the two folding door frame bodies 11, 11 to maintain the water tightness between the lower frame body 6 and the opening frame body 3. , Opening frame 3
The lower frame 6 is also raised from the bathroom floor.

As described above, when the lower frame 6 of the opening frame 3 is raised, the step a on the upper surface of the opening peripheral edge 2a from the floor of the bathroom.
May become large, and there is a risk of tripping when entering or exiting the bathroom.

Accordingly, an object of the present invention is to provide a folding door door roller that can eliminate a step while maintaining watertightness.

[0015]

In order to achieve this object, a first aspect of the present invention is to provide an opening frame comprising upper and lower frames and left and right frames disposed on the periphery of an opening of a room entrance opening. A rail extending in the width direction of the opening facing the inner sides of the upper and lower frames of the opening frame, and a horizontal frame and a vertical frame provided inside the opening frame and including a face material. And at least two folding door frames, hingedly connecting adjacent vertical frames of the at least two folding door frames, and a door wheel provided at upper and lower edges of an outer vertical frame is attached to the rail. In a folding door sliding door that slides along, the sliding door includes a sliding member that slides while nipping the rail,
A spiral member which accommodates the slide member and has a case member disposed substantially flush with the edge inside the upper and lower ends of the outer vertical frame member, wherein the case member spirally rotates with respect to the slide member. The shape part is formed at least in the case member or opposed to the slide member.

According to the first aspect of the present invention, when the folding door is folded, the outer vertical frame of the folding door in which the case member is provided is spirally upward with respect to the slide member. And the folding door is lifted substantially upward, so that there is no danger of contact between the lower end of the folding door and the floor surface in the bathroom, and the lower end of the folding door does not deform or wear, and Adhesion between the entrance opening and the opening frame body is not lost, and watertightness can be maintained. Furthermore, a step between the upper surface of the rail on which the sliding member of the door roller slides and the outdoor can be eliminated.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to FIGS.

FIGS. 1 and 2 show a folding door according to an embodiment of the present invention. The same or equivalent parts as those in the related art will be described with the same reference numerals.

The folding door denoted by reference numeral 1 in the figure comprises an opening frame 3 provided on the peripheral edge 2a of the entrance opening 2 of the bathroom, and a folding door main body 4.

The opening frame 3 comprises a pair of left and right frames 5 and 5 made of an aluminum alloy or a resin, and upper and lower frames 6 and 6 connecting these left and right frames 5 and 5. Inside these upper and lower frame bodies 6 and 6 are opposed to each other.
Rails 7 are integrally provided along the extending direction of the rails 6.

Inside the opening frame 3, two folding door frames are formed by vertical frame members 8, 8 made of aluminum alloy or resin, upper and lower horizontal frame members 9, 9 and central horizontal frame members 10, 10. Body 1
1 and 11 are formed. These two folding door frames 1
Handles 20 are provided on the central horizontal frame members 10 and 11 and hinges 12 and 12 are attached to two upper and lower portions of the vertical frame members 8 and 8 adjacent to the two folding door frame members 11 and 11, respectively. The folding door main body 4 is bent by the hinges 12, 12 from the center to the left or right side into the bathroom.
Is provided. Furthermore, two folding door frames 11, 1
Inside the frame 1, translucent resin facings 13 are lined.

The upper and lower edges 8a, 8a of the outer vertical frame members 8, 8 of the two folding door frames 11, 11, as shown in FIG. Door rollers 30, 30 that slide and move along 7, 7 are provided.

The door roller 30 has a substantially cylindrical case member 40 formed of, for example, a synthetic resin material and having a flange portion 42 formed at a lower portion thereof, and a slide member capable of vertically moving and rotating inside the case member 40. 50.

The case member 40 includes upper and lower end portions 8 of the vertical frame member 8.
The lower end surface 42a of the flange portion 42 is disposed so as to be substantially flush with the lower edge 9b of the lower frame member 9 of the folding door body 4 in the hollow portions formed in the a and 8a.

The slide member 50 has a rail 7 upper surface 7b
A pair of rail guide protruding portions 51, 51 which sandwich the rail 7 from both sides with the wheel 19 interposed therebetween are formed at the lower portion.

On the plane of the upper end circle of the slide member 50, the vertical frame member 8 rotates by approximately 90 ° when the folding door 1 is opened and closed.
And a pair of spiral steps 52, 52 are provided facing each other. As shown in FIG. 4, spiral-shaped parts 43, 43 having opposite shapes are provided above the spiral-shaped parts 52, 52 in the case member 40.

The spiral part 4 of the case member 40
As shown in FIG. 5, the folding door 1 is folded into the bathroom, and the outer vertical frame members 8 of the two folding door frames 11, 11 are turned approximately 90 ° with respect to the slide member 50. At the same time, the case members 40, 40 also rotate substantially 90 °, and come into contact with the spiral-shaped portions 52, 52 of the slide member 50.
As a result, the folding door 1 is lifted as shown by the arrow in FIG. 3 and does not come into contact with the floor of the bathroom. Of the two spiral parts 52, 43, ..., one side may not be a spiral part but may be only a projection, and two spiral parts may be one part on one side.

As shown in FIGS. 6 to 9, the slide member 50 has a spring 53 as an elastic member.
Are formed integrally with each other. An elastically deformable locking claw 55 is formed at the tip of the spring guide 54, and the locking claw 55 is locked to the periphery of the locking opening 44 formed in the case member 40. I have.

The spring 53 urges the slide member 50 in the direction of the rail 7 and, when pressed,
The slide member 50 is immersed in the case member 40, and can be shortened to a position where the position of the lower end surface 42a of the flange portion 42 of the case member 40 and the lower end surface 51a of the rail guide protrusions 51, 51 are substantially flush. It is configured to be. The cross section in FIG. 6 is located along the line BB in FIG. 4, and the cross section in FIG. 7 is located along the line CC in FIG.

By sliding the door rollers 30, 30 along the rails 7, 7, the two folding door frames 11, 11 are folded or unfolded around the hinges 12, thereby opening the entrance opening 2 of the bathroom. Or it is designed to be closed. The upper and lower frames 6, 6 of the opening frame 3 have
When the two folding door frames 11, 11 are unfolded and the entrance opening 2 of the bathroom is closed, the upper and lower horizontal frame members 9, 9 side surfaces 9b, 9b of the two folding door frames 11, 11 are connected to the upper and lower frame members 6, 6, respectively. Sealing member 2 provided on the side surfaces 6a, 6a of the sealing member 6 for improving the degree of sealing
It is in contact with 1,21. Side surfaces 6 of the upper and lower frames 6, 6
When the upper and lower horizontal frame members 9 and 9 side surfaces 9b and 9b of the two folding door frame bodies 11 and 11 abut on the sealing members 21 and 21 provided on the a and 6a, the folding door main body 4 becomes watertight with the room entrance opening. The watertightness between the bathroom and the undressing room is maintained while maintaining the watertightness.

Next, the operation of this embodiment will be described.

As shown in FIG. 1, two folding door frames 11,
In a state where the folding door body 4 made of 11 is closed,
The weights of the folding door body 4 are provided on the lower edges 8a, 8a of the outer vertical frame members 8, 8 of the two folding door frames 11, 11, and the door rollers 3 on both sides.
Hangs on 0,30.

At this time, the case members 40 of the door rollers 30, 30 on both sides press the springs 53 shown in FIGS. 6 and 7, and as shown in FIG. 43, 43 partially contact the spiral portions 52, 52 of the slide member 50, and the case member 40
The lower edge 9a of the lower frame member 9 of the folding door main body 4 flush with the lower end surface 42a of the flange portion 42 is positioned slightly above the upper surface 7b of the rail 7 extending to the lower frame 6 of the opening frame 3. I have.

The upper and lower horizontal frame members 9, 9 of the two folding door frames 11, 11 are connected to the side surfaces 6 of the upper and lower frames 6, 6.
a, a sealing member 21 for improving the degree of sealing provided in 6a,
21, the folding door main body 4 maintains water tightness with the room entrance opening.

Of the two folding door frames 11, 11, the door wheels 30, 30 provided on the upper and lower edges 8a, 8a of the outer vertical frame member 8 of the folding door frame 11 on the right side shown in FIG. The rails 7, 7 extending from the upper and lower frames 6 cannot slide and are fixed.

Here, in order to open the closed folding door body 4, the handle 20 is pulled toward the near side (in the bathroom) in FIG. 1, and the two folding door frames 11, 11 are folded, and FIG. The back of the left folding door frame 11 shown is opposed to the back of the right folding door frame 11, and the entrance / exit opening 2 of the bathroom is opened.

As the two folding door frames 11, 11 are folded, the outer vertical frame member 8 of the fixed right folding door frame 11 is moved around the door wheels 30, 30 provided on the upper and lower edges 8a, 8a. Rotate clockwise. And the left folding door frame 1
The outer vertical frame member 8 is rotated clockwise around the door rollers 30 while the door rollers 30, 30 provided on the upper and lower edges 8a, 8a slide on rails 7, 7 extending to the upper and lower frame members 6, respectively. To rotate.

At the same time, the case members 4 of the door rollers 30, 30
0 of the spiral step 43, the slide member 50
Slidably in contact with the spiral-shaped portions 52, 52. As a result, the folding door body 4 can be lifted up as shown by the arrow in FIG. 3 and the lower part of the folding door body 4 can be opened without contacting the floor of the bathroom.

When closing the opened folding door body 4, the folding door body 4 is closed by the opposite operation. Then, as shown in FIG. 5, the spiral step portions 43 of the one-dot broken line of the case member 40 partially abut the spiral portions 52 of the slide member 50, and
Folding door body 4 flush with lower end surface 42a of flange portion 42
The lower edge 9 a of the lower frame member 9 is located slightly above the upper surface 7 b of the rail 7 extending to the lower frame 6 of the opening frame 3. The lower edge 9a of the lower frame member 9 of the folding door body 4 comes into contact with the seal member 21 provided on the lower frame body 6, so that the folding door body 4 can maintain water tightness with the room entrance opening and the rail 7 The step between the upper surface and the outdoor can be eliminated. Furthermore, the lower part of the folding door main body 4 can be closed without contacting the floor of the bathroom.

As described above, when the folding door main body 4 is folded or unfolded, when the entrance opening 2 of the bathroom is opened or closed, the lower part of the folding door main body 4 does not contact the floor of the bathroom. As a result, the lower end of the folding door main body 4 is not deformed or worn, and the tightness of the opening / closing opening with the opening frame is not lost, so that the watertightness can be maintained. Furthermore, a step between the upper surface of the rail on which the sliding member of the door roller slides and the outdoor can be eliminated.

[0041]

As described above, according to the first aspect of the present invention, there is provided an opening frame formed by upper and lower frames and left and right frames disposed on the periphery of the opening of the chamber entrance opening, and the opening frame. A rail extending in the width direction of the opening facing the inner sides of the upper and lower frames of the frame, and at least two rails arranged in the opening frame and including a horizontal frame and a vertical frame in which a face material is provided; A hinged connection between adjacent vertical frames of the at least two folding door frames, and a door wheel provided at the upper and lower edges of the outer vertical frame slides along the rail. In the folding door sliding door, the sliding door includes a sliding member that slides while holding the rail, and accommodates the sliding member, and is disposed substantially flush with the edge inside the upper and lower ends of the outer vertical frame member. And a case member provided on the slide member. Since the spiral-shaped part that rotates in a radial direction is formed at least in the case member or opposed to the slide member, when the folding door is folded, the outer vertical frame body of the folding door provided with the case member inside is the slide member. And the folding door is lifted almost upward, so that the lower end of the folding door does not contact the floor of the bathroom and the lower end of the folding door is deformed or worn. Without this, the tightness between the room entrance opening and the opening frame body is not lost, and the watertightness can be maintained. Furthermore, a step between the upper surface of the rail on which the sliding member of the door roller slides and the outdoor can be eliminated.

[Brief description of the drawings]

FIG. 1 is a front view of a folding door of a folding door door according to an embodiment of the present invention, as viewed from a bathroom.

FIG. 2 is a cross-sectional view of the folding door taken along line AA in FIG. 1 taken along a vertical direction.

FIG. 3 is a partial sectional perspective view of a main part of a folding door door roller.

FIG. 4 is a schematic view of a position of a spiral part provided above a slide member and a spiral part provided in a case member when the folding door is closed.

FIG. 5 is a schematic view of a position of a spiral portion provided above a slide member and a spiral portion provided in a case member at a position where a folding door is opened.

FIG. 6 is a partial cross-sectional front view illustrating a configuration of a door roller at a lower end portion of the door roller of the folding door.

FIG. 7 is a partial cross-sectional side view illustrating a configuration of a door roller at a lower end portion of the door roller of the folding door.

FIG. 8 is a top view of the folding door of the door roller.

FIG. 9 is a bottom view of the folding door of the door roller.

FIG. 10 is a front view of a folding door of a conventional door folding door as viewed from a bathroom.

FIG. 11 is a DD of FIG.
It is sectional drawing of the position along the line.

FIG. 12 is a partial cross-sectional perspective view of a main part of a conventional folding door door roller.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Folding door 2 ... Room entrance opening 3 ... Opening frame 5 ... Left and right frame 6 ... Upper and lower frame 7 ... Rail 8 ... Vertical frame 9 ... Horizontal frame 11 ... Two folding door frames 13 ... Surface material 30 ... door roller 40 ... case member 43,52 ... spiral part 50 ... slide member

Claims (1)

[Claims] 1. An opening frame body comprising upper and lower frames and left and right frames disposed on the periphery of an opening of a room entrance opening, and said opening frame width direction opposing inner sides of said upper and lower frames of said opening frame body. And at least two folding door frames that are disposed in the opening frame and that include a horizontal frame and a vertical frame in which a face material is internally provided. A hinged door frame that is adjacent to the door frame and hinged to the door frame provided at the upper and lower edges of the outer vertical frame, in which the door wheel slides along the rail, wherein the door wheel holds the rail. A sliding member that slides and slides, and a case member that houses the sliding member and that is disposed substantially flush with the edge inside the upper and lower ends of the outer vertical frame member, wherein the case member is a sliding member. At least the spiral-shaped part that rotates spirally A folding door door door formed in a base member or opposed to a slide member.