JP2613850B2 - Folding door - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a folding door used in a bathroom, for example, and more particularly to a folding door having an improved structure for fixing a door body in a closed state.

[0002]

2. Description of the Related Art Generally, a half-folded door used in a bathroom or the like is a half-folding type foldable door body which opens and closes an opening area thereof in a rectangular frame having upper and lower and both side frames. Is provided. In this case, one side (door side) of the door body is rotatably supported by the frame body, and the other side (door tip side) of the door body is brought into contact with a side frame of the frame body facing the other side. A contact member is provided for fixing the door body in a closed state by contacting and protruding.

[0003] However, in the conventional folding door, the projecting abutment member is simply fixed to the door end of the door body. However, there has been a problem that the projecting action of the contact member becomes ineffective and it is difficult to maintain a stable closed state of the door body. As means for solving such a problem, for example, as described in Japanese Utility Model Application Laid-Open No. 3-82785, a door fitting is projected through a screw on a side frame of a frame with which a door of a door body contacts. It is conceivable to protrude so that the amount can be adjusted.

[0004]

However, as described above, a center folding door in which a door fixture is protruded from a side frame of a frame so as to be able to adjust a projection amount via a screw has a large number of parts,
Not only does the structure become complicated, but the door fixture protrudes into the opening area of the frame, so the appearance is poor and there is a risk that the door may come into contact with the body when entering and exiting. is there. Further, when the center folding door is used in a bathroom, there is a possibility that water may enter the building body side of the building from a processed portion of a mounting hole (screw hole) of the door fitting.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to secure a stable closed state of a door body, to simplify the structure and improve the appearance.
Further, it is an object of the present invention to provide a folding door which does not cause a problem of intrusion of water into a building side of a building when the door is used in a bathroom or a bathroom.

[0006]

In order to achieve the above object, a center folding door according to the present invention comprises a rectangular frame having upper and lower and both sides, guide rails formed on the upper and lower frames, and A center-foldable foldable door body that opens and closes the opening area of the frame body, and a support that is provided at four corners of the door body and that is supported by the guide rails to support the door body so that it can be opened and closed. And a screw-shaped abutting member provided on each of the supports, the abutment of which abuts against the frames on both sides to fix the door body in a closed state and is adjustable. And

In the above-mentioned folding door, the support provided on the upper side of the door body has wheels running on the guide rails of the upper frame of the frame body, and the door body is suspended and the door body is suspended. It is preferable that the support provided on the lower side of the main body is configured to move along a guide rail provided downward on the lower frame of the frame. Further, in the above-mentioned half-fold door, by fixing a support on any one side of the door main body so as not to be movable on the guide rail, the other side of the door main body is used as a fulcrum and the other side of the door main body and the door tip. It is preferable that it is configured to be opened and closed. Furthermore,
In the center folded door, when the door body is folded in a V-shaped cross section, the door body is opened, and when the door body is expanded in a substantially straight line and closed, the contact members on both sides of the door body are closed. It is preferable that a line connecting the center fulcrum and the center is formed in a slightly inverted V shape.

[0008]

In the above-mentioned half-folded door, a screw-like member having an adjustable amount of protrusion for fixing the door body in a closed state by abutting against a side frame of the frame body and supporting the support provided at the four corners of the door body. Is provided, it is possible to secure a stable closed state of the door body with a simple configuration. Further, since the contact member is directly screwed to the support body on the door body side, unlike the conventional one in which the door holder is provided with a screw to the side frame of the frame so that the amount of protrusion can be adjusted, A screw hole is not provided in the side frame, and the door fixture does not protrude into the opening area of the frame body, so that the structure can be simplified and the appearance can be improved,
It does not cause obstacles for people to enter or exit, and does not cause water intrusion into the building frame of the building when used in a bathroom.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a front view of a half-folded door viewed from the inside of a bathroom showing an embodiment in which the present invention is applied to a half-folded door for a bathroom. As shown in FIG. 1, the center-folded door 1 is formed into a square by upper and lower frames (hereinafter, also referred to as upper frame and lower frame) 2a, 2b and frames on both sides (hereinafter, also referred to as side frames) 2c, 2d. The frame 2 includes an assembled frame 2 and a center-foldable foldable door body 3 provided in the opening area 3 of the frame 2 so as to be openable and closable. The upper frame 2a, the lower frame 2b, and both side frames 2c and 2d constituting the frame 2 are made of, for example, extruded aluminum alloy, but may be made of resin instead of metal.

The door body 2 includes a pair of right and left sliding doors 5a,
5b and a hinge member 6 for connecting the two shojis 5a and 5b to be adjacent to each other and to be rotatable. Also,
Each of the above-mentioned sliding doors 5a and 5b is a rectangular frame 7 mainly composed of upper and lower horizontal frames 7a and 7b and vertical frames 7c and 7d on both sides.
And a shield 8 attached to the frame 7 and made of, for example, opaque glass. In the present embodiment, the hinge member 6 has a pair of support shafts 6a and 6b serving as pivot points as shown in FIG.
6b is engaged with bearings 9, 9 formed on the adjacent vertical frames 7c, 7c. The frame 7 and the hinge member 6 constituting the door main body 4 are made of, for example, an extruded aluminum alloy, like the frame 2, but may be made of resin instead of metal. In FIG. 2, reference numeral 10 denotes a packing member that seals a space between the back side peripheral portion of the door body 4 in a closed state and the frame 2, and 11 denotes a packing member 10.
A packing member mounting frame portion 12 formed on the frame body 2 for mounting the frame 2 is a handle provided on the shoji screens 5a and 5b.

As shown in FIG. 1, a guide rail 13 is provided on the upper frame 2a and the lower frame 2b of the frame 2 so that the door body 4 can be opened and closed in the opening area 3 of the frame 2.
14 are provided, and support members 15, 15, 16, 16 for supporting the door body 4 on upper and lower guide rails 13, 14 are provided at four corners of the door body 4. Further, the support members 15 and 16 are in contact with the side frames 2c and 2d and protrude, so that a screw-shaped contact member whose protrusion amount for fixing the door body 1 in a closed state is adjustable. 17 are provided.

More specifically, the upper frame 2a
As shown in FIGS. 3 and 4, the cross section is formed in a substantially stepped shape in cross section, and a hanging portion 20 facing an intermediate rising portion 19 is formed at a front edge portion 18 of the bathroom. The hanging portion 20 and the rising portion 19 are opposed to each other with a groove 21 opened downward, and are integrally formed with a pair of upper guide rails 13 having a slightly raised end. Also,
As shown in FIGS. 5 and 6, the lower frame 2b is formed to have a substantially stepped cross section, and a lower guide rail 14 having a substantially L-shaped cross section and being downward is integrally formed with a middle rising portion 22. By forming the lower guide rail 14 downward as described above, dust and the like do not accumulate on the lower guide rail 14 and a smooth guiding function can be secured.

The vertical frames 7 located on both sides of the door body 4
d, 7d have a hollow portion 23 communicating in the longitudinal direction, and the upper and lower supports 15, 16 are connected to the vertical frame 7d.
The main body 24 is made of, for example, resin and fitted into the upper end and the lower end of the hollow portion 23. Since the configuration of the main body 24 is the same for the upper and lower supports 15, 16, only the upper support 15 will be described, and the same reference numerals in FIGS. And duplicate explanations are omitted.

The insertion end of the main body 24 has a flange 2
The flange 24a is fixed to the vertical frame 7d with screws 25. The screw 25 also has a function of connecting the vertical frame 7d and the upper horizontal frame 7a (the lower horizontal frame in the case of the lower frame), thereby reducing the number of parts. The outer end of the vertical frame 7d is provided with a U-shaped notch 26, and the main body 24 of the support 15 is provided with the notch 2
6 are formed with the convex portions 24b. This convex part 2
4b is provided with a female screw hole 27 in the horizontal direction from the outside,
The female screw hole 27 is provided with the screw-shaped contact member 17 having a male screw portion 28 on its outer periphery.

In this case, as shown in FIGS. 7A and 7B, the main body 24 of the support 15 is provided to prevent the contact member 17 from rotating freely due to vibration or the like. The female screw hole 27 is provided from the outside to a substantially middle portion in the thickness direction. From the rear end of the female screw hole 27 to the other side, a cross section of a square having a length substantially equal to the diameter of the female screw hole 27 on one side. A rotation regulating hole 29 is provided. That is, the female screw hole 27 and the rotation regulating hole 29 are formed in series on the same center line in the thickness direction from the outside in the main body portion 24 of the support body 15.

As shown in FIG. 8, the contact member 17 is formed in a screw rod shape by, for example, a resin, and a tip portion which contacts the inner wall surfaces of the side frames 2c and 2d of the frame 2 is formed in a curved shape. An engagement groove 30 with which a rotary tool (for example, a screwdriver) is engaged is formed at the tip end. As shown in FIGS. 8 and 9, a pair of elastic leg portions 17a extending rearward and having radially outwardly projecting end portions are provided at the rear end of the contact member 17. , 17a are integrally formed, and the elasticity of the legs 17a, 17a makes the contact member 17a.
Is allowed, but both legs 17a, 17a
Are engaged with the corners on the diagonal of the rotation restricting hole 29, whereby the self-rotation of the contact member 17 is restricted.

The inner wall surfaces of both side frames 2c and 2d of the frame 2 facing the vertical frames 7d and 7d on both sides of the door body 4 are formed as flat surfaces as shown in FIG. 2d
A predetermined gap s is provided between the inner wall surface and the vertical frame 7d in the closed state of the door body in order to make the abutting action of the contact member 17 effective.
Are formed. The leakage of water from the gap s is blocked by the packing member 11.

A support shaft 31 is provided on the main body 24 so as to extend vertically outside the end of the vertical frame 7d and to be rotatable. In the upper support 15, the support shaft 31 is provided at the upper end of the support shaft 31. A pair of wheels 32 running on the upper guide rail 13 are attached. In the lower support 16,
A sliding member 33 made of, for example, resin is provided at the lower end of the support shaft 31 so as to engage with the lower guide rail 14 and slide. At the end of the support shaft 31 in the main body 24, the wheel 32 is mounted on the upper guide rail 13 in the case of the upper support 15, and the sliding member 3 is mounted in the case of the lower support 16.
Coil spring 3 for urging the lower guide rail 3 against the lower guide rail 14
4 are provided to prevent the wheels 32 and the sliding member 33 from being detached from the upper guide rail 13 and the lower guide rail 14. In FIGS. 4 and 5, reference numeral 35 denotes a hole provided in the vertical frame 7d for inserting the screw 25.

In this way, the door body 24 is suspended at both upper ends by the upper guide rails 13 via the upper supports 15 and 15 and at both lower ends by the lower support 1.
It is supported on the lower guide rail 14 via the fins 6 and 16. Further, by fixing any one side of the door body 4, for example, the supports 15, 16 on the left side of FIG. 1 on the guide rails 13, 14 by stoppers (not shown), the supports 15, 16 are provided. , 16 on the fulcrum, the other side of the door body 4 and the right side in FIG. Further, when the door main body 4 is folded into a V-shaped cross section as shown by a virtual line 4a in FIG. 2, the door main body 4 is opened, and when the door main body 4 is expanded substantially linearly and closed, The center line 36 connecting the contact members 17 on both sides of the door body 4 and the substantially central support shafts (center fulcrum) 6a, 6b is configured to be slightly inverted V-shaped. That is, the center line 36 is slightly inverted V-shaped beyond the dead center where the door is straight, so that the door main body 4 is not opened without permission.

On the other hand, in the folding door 1 having the above-mentioned structure, as shown in FIG. 1, a lower middle part of the door body 4, specifically, a left end of the lower side frame 7b of the right side shoji 5b is provided from the bathroom side. A lock mechanism 37 for locking the door body 4 in a closed state is provided. As shown in FIGS. 10 and 11, the lower horizontal frame 7b has a groove 38 which is open at the bottom and communicates in the longitudinal direction. The groove 38 has a notch 39 formed at the end of both side walls. A casing 40 made of, for example, resin and having a protruding portion 40a to be engaged is fitted therein. In the casing 40, for example, a resin lock member 41 having an engagement portion 41a having an L-shaped cross section at the lower end for engaging with the lower guide rail 14 is provided so as to be movable up and down, and an operation end is provided at the side end of the bathroom. A crankshaft 43 having a lever 42 is rotatably mounted so as to pass through the casing 40.

The operation lever 42 is rotatable within a range of 180 degrees as shown by an arrow in FIG. An engagement groove 44 is formed at the upper end of the lock member 41 to engage with the crank portion 43a of the crankshaft 43. With the operation of the operation lever 42, the engagement of the lock member 41 via the crankshaft 43 is enabled. The joint portion 41a is configured to be engaged with the lower guide rail 14 to be locked as shown by a solid line in FIG. 11, or to be released as shown by a virtual line. In the casing 40, an engagement recess 45 is formed for temporarily fixing the lock member by engaging an elastic protrusion 41b formed on one side of the lock member 41 at the lock position and the release position. ing. An engagement groove 46 is formed at the tip of the crankshaft 43 for engaging a rotary tool or the like, so that the lock can be released from outside the bathroom for safety.

In the center-folded door 1 configured as described above, the supports 15 and 16 provided at the four corners of the door body 4
Since the screw-shaped abutting member 17 is provided which has an adjustable amount of protrusion for fixing the door body 4 in a closed state by abutting against the side frames 2c and 2d of the frame 2 to protrude, the door has a simple configuration. Body 4
Can be secured in a stable closed state. For example,
If the degree of installation of the frame 2 with respect to the building body of the building or the degree of closing of the door body 4 becomes poor due to aging or the like, the contact member 17 screwed to the main body 24 of the supports 15 and 16 is removed. What is necessary is just to rotate by a rotating tool and adjust the protrusion amount suitably. For this adjustment, the door body 4
In this state, the door of the door body 4 faces the outside of the bathroom, so that the work can be easily performed.

In the above-mentioned folding door 1, the main body 24 of the supports 15, 16 provided on the door main body 4 side is provided.
In this configuration, the contact member 17 is directly screwed into a screw shape. Therefore, unlike the related art in which the door holder is provided with a screw on the side frame of the frame so that the amount of protrusion can be adjusted, a screw hole is formed in the side frame. Simplification of the structure and improvement of the appearance without the door fixture protruding into the opening area of the frame body, and also from the processing location when used in the bathroom or in the bathroom. There is no problem of water infiltration into the building frame. Moreover, since the supports 15 and 16 are provided at the four corners of the door main body 4, any one of the left and right sides of the door main body 1 can be used as a hanging source and the other side can be used as a door tip. Improvement can be achieved. In addition, since the contact members 17 are provided on the supports 15 and 16 and the contact members 17 are arranged on both sides of the door body 1, the adjustment range can be widened. That is,
When one side of the door main body 1 is fixed as a hanging source, the amount of protrusion of the abutting members 17 at the two corners on the other side (door tip) may be adjusted. By adjusting the contact member 17 as well, the adjustment range can be made larger.

The main bodies 24 of the supports 15 and 16 provided at the four corners of the door main body 4 are common parts having the same configuration, and the screws 25 for mounting the main bodies 24 assemble the frame 7. Since the screws are also used, the number of parts and the manufacturing cost can be further reduced. Further, a rotation restricting hole 29 having a square cross section is provided behind the female screw hole 27 with which the contact member 17 is screwed, and a diagonal line of the rotation restricting hole 29 is provided at the rear end of the contact member 17. Since the elastic leg portions 17a and 17a are provided to engage with the corner portions, it is possible to prevent the contact member 17 from rotating freely due to vibration or the like, and the amount of protrusion of the contact member 17 is reduced. There is no fear that it will fluctuate on its own.

Although the embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various design modifications and the like are possible without departing from the gist of the present invention. It is. For example, in the above embodiment, the upper support 15 has the wheels 32 and the lower support 16 has the sliding members 33.
But these may be reversed, or both supports 15, 16 are mounted on wheels 32 or sliding members 33.
May be provided. In the above-described embodiment, a rotation restricting hole 29 having a rectangular cross section is provided behind the female screw hole 27 with which the contact member 17 is screwed in order to prevent the contact member 17 from rotating freely due to vibration or the like. The rotation restricting hole 29
May have a polygonal shape such as a pentagon, a corner thereof may be a curved surface, and one or three or more legs 17a engaging with the corner may be formed. There may be. If the screwing of the contact member 17 to the female screw hole 27 can be tightly prevented so that the rotation of the contact member 17 due to vibration or the like can be prevented.
The rotation restricting hole 29 and the leg 17a are not always required. Further, in the above embodiment, an embodiment in which the present invention is applied to a bathroom folded door is shown. However, the present invention is applicable not only to a bathroom but also to various folded doors.

[0026]

In summary, according to the center-folded door of the present invention, the door body is fixed to the closed state by abutting against the side frames of the frame against the supports provided at the four corners of the door body. Since a screw-shaped contact member with an adjustable protrusion amount is provided, it is possible to secure a stable closed state of the door body with a simple configuration, and to secure the door body with a screw on the side frame of the frame body. Unlike the conventional one, which has an adjustable amount of protrusion, there is no need to machine a screw hole in the side frame, and the door fixture does not protrude into the opening area of the frame body, simplifying the structure and improving the appearance In addition, there is no problem of obstruction of people coming in and out, and a problem of water infiltration from a processing portion when used in a bathroom to a building body side. Further, since the support members are provided at the four corners of the door main body, any one of the left and right sides of the door main body can be used as a hanging source and the other side can be used as a door tip, thereby improving usability. Furthermore, a contact member is provided on each support, and the contact members are disposed on both sides of the door body. Therefore, when one side of the door body is fixed as a hanging source, two corners on the other side (door tip) are provided. If the adjustment cannot be made by itself, it is sufficient to adjust the contact member on the hanging side, so that the adjustment range can be made larger.

[Brief description of the drawings]

FIG. 1 is a front view of a half-folded door viewed from the inside of a bathroom showing one embodiment in which the present invention is applied to a half-folded door for a bathroom.

FIG. 2 is an enlarged sectional view taken along line AA of FIG.

FIG. 3 is an enlarged sectional view taken along line BB of FIG. 1;

FIG. 4 is a sectional view taken along line CC of FIG. 3;

FIG. 5 is an enlarged sectional view taken along line DD of FIG. 1;

FIG. 6 is a sectional view taken along line EE of FIG. 5;

FIG. 7 is a view showing a hole into which the contact member is screwed, and FIG.
Is a longitudinal sectional view, and (b) is a sectional view taken along line HH in (a).

FIG. 8 is a side view of the contact member.

FIG. 9 is a view showing a rear end portion of the contact member.

10 is a partially cutaway enlarged front view of a portion F in FIG. 1;

FIG. 11 is a sectional view taken along line GG of FIG. 10;

[Explanation of symbols]

 2 Frame 2a Upper Frame 2b Lower Frame 2c, 2d Side Frame 3 Opening Area 4 Door Body 13, 14 Guide Rail 15, 16 Support 17 Contact Member

Claims (1)

(57) [Claims] 1. A rectangular frame comprising upper and lower and both side frames, a guide rail formed on the upper and lower frames, and a center-foldable foldable door for opening and closing an opening area of the frame. A main body, supports provided at the four corners of the door main body, supported by the guide rails so as to openably support the door main body, and provided on each support, and abutting against the frames on both sides to protrude. And a screw-shaped abutting member having an adjustable protrusion amount for fixing the door body in a closed state.