JP3587728B2 - Bathroom folding door - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a bathroom folding door provided between a bathroom and a dressing room, and particularly to a bathroom folding door characterized by a latch engagement structure.
[0002]
[Prior art]
Due to recent demands for barrier-free, bathroom-folding doors provided between a bathroom and a dressing room of a general house have been proposed and widely adopted with a barrier-free structure. A bathroom folding door having such a barrier-free structure is configured such that a pair of door bodies are foldably opened and closed side by side via a connecting bar in a frame provided at an opening between the bathroom and the dressing room. The lower frame of the frame body is formed so as to have only a level difference with respect to the floor surfaces of the bathroom and the dressing room or to be within a predetermined reference value so as to conform to the standard as a barrier-free structure. .
[0003]
In such a bathroom with a barrier-free structure, the door body is arranged so as to float slightly above the lower frame.
That is, in a bathroom folding door without a barrier-free structure, the floor of the bathroom is formed lower than the floor of the dressing room, and a step is formed between the floors. The door body is arranged at a position slightly lower than the lower frame, and when the door body is closed, the side of the door body on the undressing room side is in contact with the step.
On the other hand, in the bathroom folding door of the barrier-free structure as described above, since the lower frame is formed flush or almost flush with the bathroom and the undressing room, the door body has its side face to the lower frame. Was placed without contact.
[0004]
In such a barrier-free bathroom folding door, a gap is formed between the door body and the lower frame because the door body is configured not to contact the lower frame, and watertightness is maintained. May be lost.
For this reason, the lower frame of each door body is provided with a water-removing piece that hangs down from the lower surface and substantially abuts the lower frame, and the water-tight piece forms a watertight structure.
[0005]
[Problems to be solved by the invention]
However, in this way, when the water drain piece is simply provided in the lower frame of the door body, the water drain piece comes into contact with the lower frame when the door body is opened and closed, and the water drain piece is worn out and does not perform its function. This may cause a large opening / closing resistance to impair the opening / closing property or cause unpleasant noise.
In order to solve such a problem, it is conceivable to lower the height of the lower frame on the bathroom side so as to have a low step so that the water drainage does not contact the lower frame when the door is opened and closed. However, when the lower frame is simply made low in the bathroom, the latch provided on the connecting rail may not function.
[0006]
That is, the connecting bar is generally provided with latches at both upper and lower ends thereof. By engaging the latches with the upper and lower frames so as to be freely detachable, a suitable resistance is provided when the door body is opened and closed. Has been done.
However, as described above, when the bathroom side portion of the lower frame is formed in a low step shape, the latch provided at the lower end of the connecting bar cannot be engaged with the lower frame, and the latch will not function. there were.
[0007]
The present invention has been made in view of the problems in such a conventional bathroom folding door, and in a barrier-free bathroom folding door in which a water drainage piece provided on a door body is in non-contact with a lower frame. Another object of the present invention is to provide a bathroom folding door capable of effectively operating a latch.
[0008]
[Means for Solving the Problems]
In order to solve the problem in the above-mentioned conventional bathroom folding door, the present invention according to claim 1 has a pair of door bodies provided on an opening between the bathroom and the undressing room on the bathroom side via a connecting bar. A bathroom foldable door that can be folded and opened and closed freely,
The lower frame constituting the frame body is formed substantially flush with the bathroom and the floor of the dressing room,
A latch protruding toward the lower frame side is attached to a lower end of the connecting bar, and the latch is removably engaged with a latch fixing portion fixed to the connecting bar and a latch receiver provided on the lower frame. And a latch projection that matches
The latch receiver of the lower frame is provided slightly closer to the bathroom than the lower position of the latch in the closed state of the door body,
The lower frame and the latch constituting each of the door bodies are provided with water drainage pieces hanging down from the respective lower surfaces, and the water drainage pieces can be freely contacted with the traveling rail pieces of the lower frame,
The bathroom side piece of the lower frame is characterized by being formed in a low step shape that is substantially non-contact with the water drainage piece from a position below the water drainage piece to an end position on the bathroom side. I have.
[0009]
According to a second aspect of the present invention, in the first aspect of the present invention, the latch receiver is provided with an engaging portion to be engaged by the latch and a fixed member integrally formed with the engaging portion. And the latch receiver is attached to the lower frame by screwing the fixing portion to the lower frame with a fastening screw.
[0010]
According to a third aspect of the present invention, in the second aspect of the invention, the lower frame is provided with a screw cover for covering the fastening screw from above and from both sides, and a locking claw is provided at an end of the screw cover. And a locking hole having a position and a shape corresponding to the locking claw is formed in the lower frame, and the locking claw is locked in the locking hole, whereby the screw cover is attached to the lower frame. It is characterized by being attached.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings. 1 is a front view of the entire bathroom folding door, FIG. 2 is a cross-sectional view taken along the line AA of FIG. 1, FIG. 3 is a cross-sectional view showing the door body opened state of FIG. 2, and FIG. FIG. 5 is a vertical cross-sectional view taken along a line CC in FIG. 1, FIG. 6 is a horizontal cross-sectional view taken along a line DD in FIG. 1, and FIG. 7 is a cross-sectional view taken along a line EE in FIG. FIG. 8 is an exploded perspective view of the bathroom folding door. 4 and 5, only the vicinity of the cut surface is shown, and the background is omitted.
[0012]
As shown in FIGS. 1 to 3, the bathroom folding door of the present embodiment schematically connects a pair of door bodies 2 and 3 to a connecting bar 8 in a frame 1 provided at an opening between the bathroom and the undressing room. They are arranged side by side so that they can be folded and opened and closed freely.
The frame 1 is framed in a rectangular shape from upper and lower frames 11 and 12 and left and right vertical frames 13 and 14. The lower frame 12 has a barrier-free structure, as shown in FIGS. 4 and 5, having only a level difference between the floor surface 4 of the bathroom and the floor surface 5 of the dressing room or within a predetermined reference value. Make up.
As shown in FIGS. 1 to 3, the pair of doors 2 and 3 are arranged side by side in the frame 1 in the direction of finding. As shown in FIGS. 1 and 8, these door bodies 2 and 3 are framed in a rectangular shape from upper frames 21 and 31, lower frames 22 and 32, left vertical frames 23 and 33, and right vertical frames 24 and 34. Panels 25 and 35 are fitted in the frame.
[0013]
As shown in FIG. 8, hinges 6 and 7 are provided at upper and lower ends of the vertical frames 23 and 34 arranged on the vertical frames 13 and 14 side. The bodies 2, 3 are supported. Of these hinges 6 and 7, the hinges 6 provided at the upper and lower ends of the vertical frame 34 are movable, and link the vertical frame 34 to the upper and lower frames 11 and 12 so as to be rotatable and movable in the finding direction. . The hinges 7 provided above and below the vertical frame 23 of the door body 3 are for fixing, and link the vertical frame 23 to the upper and lower frames 11 and 12 so as to be rotatable and immovable in the finding direction. The vertical stiles 24 and 33 arranged on the connecting rail 8 side are provided with caps 9 at the lower ends thereof.
[0014]
On the other hand, the vertical frames 24 and 33 without the hinges 6 and 7 function as connecting frames, and are connected to the connecting bar 8 by a structure as shown in FIGS. Specifically, the vertical frames 24 and 33 are formed with connectors 24a and 33a having a substantially hollow cylindrical cross section projecting toward the connecting bar 8, and the connecting bar 8 is provided with a cross section for receiving the connectors 24a and 33a. A semi-cylindrical connecting groove 8a is formed, and connectors 24a and 33a are rotatably held in the connecting groove 8a. With such a structure, the doors 2 and 3 are connected to each other via the connecting bar 8, and can be folded and opened and closed toward the bathroom as shown in FIGS.
[0015]
The door bodies 2 and 3 and the connecting bar 8 are arranged so as to float slightly above the lower frame 12 in the state of being supported and connected in this manner. That is, as shown in FIGS. 4 and 5, the door bodies 2 and 3 and the connecting bar 8 have any of the side surface and the lower surface except for the hinge 6, the latch 40 described below, and the first to fourth drainage pieces 81 to 84. Are also arranged without contacting the lower frame 12.
[0016]
Here, as shown in FIGS. 1 to 3, the connecting bar 8 is provided with latches 40 at both upper and lower ends. The latch 40 projects upward or downward from the connecting bar 8 and engages with a latch receiver 50 of the upper frame 11 and the lower frame 12 which will be described later. This causes a large resistance. The upper latch 40 and the lower latch 40 are merely symmetrical up and down except for a specially designated portion. Therefore, the lower latch 40 will be described below. 9A, 9B, 9C, and 9D are a front view, a side view, and a vertical cross-sectional view, a vertical cross-sectional view, and a plan view, respectively, of the lower latch 40, taken along the line FF of FIG. FIG. In FIG. 9, the latch 40 is formed of a resin such as a plastic, and includes a latch fixing portion 41 fixed to the connecting bar 8, a latch protrusion 42 that is detachably engaged with the latch receiver 50, A latch case 43 for accommodating the latch fixing portion 41 and the latch projection 42 is provided.
[0017]
The latch fixing portion 41 is inserted and arranged in the hollow portion of the connecting bar 8 as shown in FIG. Then, as shown in FIGS. 4, 6 and 8, the latch fixing portion 41 is fixed to the connecting bar 8 via the connecting screw 44.
The latch projection 42 is formed in a thin frontal shape, and engages with the latch receiver 50 of the lower frame 12 in a detachable manner as shown in FIG. As shown in FIGS. 5 and 9, the latch projection 42 is vertically slidably and irremovably locked to the latch fixing portion 41 via a locking piece 46 above it.
[0018]
Here, a rectangular tubular connecting portion 45 is integrally provided below the latch fixing portion 41, and an urging spring 47 is provided in the connecting portion 45, and the latch protrusion 42 is formed by the urging spring 47. It is biased downward.
The latch case 43 is formed in a substantially rectangular hollow box shape as a whole. The latch fixing portion 41 and the latch protrusion 42 are substantially housed in the hollow portion of the latch case 43. Note 3, as shown in FIG. 5, the latch case 43 is screwed to the connecting bar 8 through a connecting screw 49 at the sides of the connecting bar 8 side.
[0019]
In the bathroom folding door configured as described above, a watertight structure is formed between the door bodies 2 and 3 and the lower frame 12. As shown in FIG. 1, the watertight structure includes a first drainage piece 81 provided on the lower frame 22, 32 of each door body 2, 3, a second drainage piece 82 provided on the lower hinges 6, 7, A third drain piece 83 provided on the lower cap 9 and a fourth drain piece 84 provided on the lower latch 40 are provided.
As shown in FIGS. 1, 4, and 5, each of the first to fourth drainage pieces 81 to 84 is formed to hang down toward the lower frame 12, and when the door bodies 2 and 3 are closed. In this case, the front end is substantially abutted against the side surface of the traveling rail 12b of the lower frame 12, thereby preventing hot water from entering the bathroom from the bathroom.
[0020]
The lower frame 12 is configured such that the first to fourth drainage pieces 81 to 84 do not come into contact with the lower frame 12 and wear when the doors 2 and 3 are opened and closed. Specifically, as shown in FIGS. 4 and 5, the bathroom-side piece 12 c located closer to the bathroom than the travel rail 12 b is located at the lower end position of the first to fourth drainage pieces 81 to 84 (the upper end position of the travel rail 12 b). ) Is formed in a low step shape which is slightly lower than that of the first embodiment.
[0021]
Since the bathroom side piece 12c of the lower frame 12 is formed low in this manner, a piece-shaped latch receiving portion is provided in a portion corresponding to the latch 40 in the longitudinal direction of the lower frame 12 as shown in FIGS. 50 is screwed. The latch receiver 50 is disposed so as to slightly protrude from the bathroom side piece 12c of the lower frame 12, and the latch projection 42 of the latch 40 can be engaged with the latch receiver 50 so that the latch can be operated by the latch 40. It has been.
[0022]
Hereinafter, the latch receiver 50 will be described in detail.
FIG. 10 is an enlarged view of the periphery of the latch receiver 50 of FIG. 5, FIG. 11 is a perspective view of a main part centering on the latch receiver 50, FIG. 12 is an exploded perspective view of FIG. 11, and FIGS. And (c) are a plan view, a front view (a surface viewed from the bathroom side is a front view), and a side view of the latch receiver 50, respectively.
As shown in FIGS. 10 to 13, the latch receiver 50 is configured by integrally forming an engaging portion 51 engaged with the latch 40 and a fixing portion 52 with resin or the like.
[0023]
The engaging portion 51 is formed in a substantially downward U-shape in front, and on the upper surface thereof, an engaging top portion 51a and a notch portion 51b adjacent to the engaging top portion 51a on the bathroom side are provided. Have been. The engagement top portion 51a is engaged with the latch projection 42 of the latch 40, and is located slightly closer to the bathroom than the position below the latch projection 42 when the doors 2 and 3 are closed. The engagement top 51a is located above the bathroom side piece 12c of the lower frame 12, and is located between the lowermost position and the uppermost position in the sliding range of the latch protrusion 42. Therefore, when the doors 2 and 3 are opened and closed, the latch projections 42 are engaged with the engagement tops 51a and pressed upward at both times before and after the doors 2 and 3 are closed, and the doors 2 and 3 are opened. A suitable resistance can be generated at the time of opening and closing. Further, the notch 51b is formed in an inclined shape that becomes lower toward the bathroom side, and enables the latch projection 42 to smoothly engage with the engagement top 51a.
[0024]
The fixing portion 52 is for fixing the latch receiver 50 to the lower frame 2 and includes a fixing piece 52a located on the undressing room side. A screw hole 52b is formed in the fixing piece 52a. Then, a fastening screw 53 is inserted into the screw hole 52b from the bathroom side, and the fastening screw 53 is screwed into the screw hole 12d provided in the lower frame 12 shown in FIG. The fixing piece 52 a is sandwiched between the portion and the lower frame 12, and the latch receiver 50 can be fixed to the lower frame 2.
In this embodiment, since the latch receiver 50 is provided in this manner, the latch 40 is engaged with the latch receiver 50 so as to be freely detachable, and the first to fourth drainage pieces 81 to 84 provided on the doors 2 and 3 are provided. The latch 40 can be made to function effectively even in a barrier-free bathroom foldable door in which is not in contact with the lower frame 12.
[0025]
Further, the lower frame 12 is provided with a screw cover 55 for covering the fastening screw 53 for fixing the latch receiver 50 to the lower frame 2 from above and from both sides. FIGS. 14A, 14B, and 14C are a plan view, a front view (a surface viewed from the bathroom side is a front view), and a side view of the screw cover 55, respectively. As shown in FIG. 14, the screw cover 55 is provided on the left and right sides of the base piece 56 above the fastening screw 53 and on the undressing room side, and is located on the side of the fastening screw 53. The side piece 57 is integrally provided. The base piece 56 and the side piece 57 of the screw cover 55 and the lower frame 12 form a space having a shape capable of completely receiving the distal end of the fastening screw 53 (the part protruding from the latch receiver 50 toward the undressing room). The distal end portion of the fastening screw 53 is formed in this space, and the distal end portion is covered so as not to be exposed to the outside. Therefore, since the fastening screw 53 is not inadvertently exposed to the outside, safety and design are improved.
[0026]
As shown in FIG. 14, a locking claw 58 protruding toward the lower frame 12 is formed on a side of the screw cover 55. On the other hand, as shown in FIG. 12, a locking hole 12e is formed in the lower frame 12 at a position and a shape corresponding to the locking claw 58, and the locking claw 58 is locked in this locking hole 12e. Thereby, the screw cover 55 can be attached to the lower frame 12. Therefore, the screw cover 55 can be attached to the lower frame 12 without the need for fasteners such as fastening screws, and the attachment is very easy. The locking claw 58 can be disengaged from the locking hole 12e, and the screw cover 55 can be easily removed.
[0027]
Finally, a procedure for attaching the latch receiver 50 and the screw cover 55 will be described. First, in the bathroom side piece 12c of the lower frame 12, a portion corresponding to the mounting position of the latch receiver 50 is cut out by a width corresponding to the latch receiver 50. In addition, a screw hole 12d and a locking hole 12e are formed in the lower frame 12, as shown in FIG. The cutout of the bathroom side piece 12c, the formation of the screw hole 12d, and the formation of the locking hole 12e can be automatically performed collectively at the time of forming the lower frame 12 in the factory.
Then, as described above, the latch receiver 50 is attached to the lower frame 12 by screwing in the fastening screw 53, and finally the locking claw 58 is locked in the locking hole 12e, and the screw cover 55 is mounted. This completes the mounting operation.
[0028]
Now, one embodiment of the present invention has been described. However, the present invention is not limited to the above-described embodiment, and may be embodied in various forms within the technical idea thereof. These different forms will be described.
First, as the structure of the bathroom folding door, in particular, the basic structure of the frame, the door, and the latch case, any known structure other than the structure described above may be applied.
[0029]
In addition, the latch receiver is not limited to the above-described structure, and may have any structure as long as it can engage with and disengage from the latch. Further, the fixing structure of the latch receiver is not limited to the above-described one, and may be fixed to the lower frame by, for example, bonding.
The latch cover is not always necessary. For example, when the latch receiver is fixed to the lower frame by bonding, the latch cover may be omitted.
[0030]
【The invention's effect】
As described above, according to the present invention described in claims 1 and 2, the lower end of the connecting bar is provided with a latch protruding toward the lower frame side constituting the frame, and the lower frame of the frame is attached to the door. When the body is closed, from the lower position of the water drain to the end position on the bathroom side, it is formed in a low step shape that is substantially non-contact with the water drain, and the lower frame of the frame has a closed state of the door body In the above, a latch receiver which is located slightly closer to the bathroom side than the lower position of the latch and is detachably engaged with the latch is provided, so that the drain piece provided on the door body does not contact the lower frame. Even in a barrier-free bathroom folding door that is shaped like a latch, the latch is removably engaged with the latch receiver, and the latch can function effectively.
[0031]
According to the third aspect of the present invention, the lower frame is provided with a screw cover for covering the fastening screw from above and from both sides, and a locking claw is formed at an end of the screw cover. A locking hole having a corresponding position and shape is formed in the lower frame, and a locking claw is locked in the locking hole, so that the screw is attached to the lower frame, so that the fastening screw is not exposed to the outside. Since the fastening screws are not inadvertently exposed to the outside, safety and design are improved.
[Brief description of the drawings]
FIG. 1 is a front view of an entire bathroom folding door according to an embodiment of the present invention.
FIG. 2 is a cross-sectional view taken along the line AA of FIG.
FIG. 3 is a cross-sectional view showing the door body opened state of FIG. 2;
FIG. 4 is a vertical sectional view taken along the line BB of FIG. 1;
FIG. 5 is a vertical sectional view taken along the line CC of FIG. 1;
FIG. 6 is a transverse sectional view taken along the line DD of FIG. 1;
FIG. 7 is a cross-sectional view taken along the line EE of FIG. 1;
FIG. 8 is an exploded perspective view of a bathroom folding door.
9 (a), (b), (c), and (d) are a front view, a side view, and a vertical sectional view taken along the line FF of FIG. It is a top view.
FIG. 10 is an enlarged view of a portion around a latch receiver of FIG. 5;
FIG. 11 is a perspective view of the main part, centering on a latch receiver.
FIG. 12 is an exploded perspective view of FIG.
FIGS. 13A, 13B, and 13C are a plan view, a front view, and a side view of a latch receiver, respectively.
FIGS. 14A, 14B, and 14C are a plan view, a front view, and a side view of a screw cover, respectively.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Frame body 2, 3 Door body 4 Floor surface (of a bathroom) 5 Floor surface (of a dressing room) 6 Hinge 8 Connecting bar 8a Connecting groove 9 Cap 11 Upper frame 12 Lower frame 12b Running rail 12c Bathroom side piece 12d Screw hole 12e Locking hole 13 Left vertical frame 14 Right vertical frame 21, 31 Upper frame 22, 32 Lower frame 23, 33 Left vertical frame 24, 34 Right vertical frame 24a, 33a Connector 25, 35 Panel 40 Latch 41 Latch Fixing portion 42 Latch protrusion 43 Latch case 44 Connecting screw 45 Connecting portion 46 Locking piece 47 Urging spring 49 Connecting screw 50 Latch receiver 51 Engaging portion 51a Engaging top portion 51b Notch portion 52 Fixing portion 52a Fixing piece 52b Screw hole 53 Fastening screw 55 Screw cover 56 Base piece 57 Side piece 58 Locking claw 81 First drain piece 82 Second drain piece 83 Third drain piece 84 Fourth drain piece

Claims (3)

A bathroom folding door in which a pair of door bodies are folded toward the bathroom side via a connecting bar in a frame provided at an opening between the bathroom and the undressing room and are juxtaposed to be freely openable and closable,
The lower frame constituting the frame body is formed substantially flush with the bathroom and the floor of the dressing room,
A latch protruding toward the lower frame is attached to a lower end of the connecting bar, and the latch is removably engaged with a latch fixing portion fixed to the connecting bar and a latch receiver provided on the lower frame. And a latch projection that matches
The latch receiver of the lower frame is provided slightly closer to the bathroom side than the lower position of the latch in the closed state of the door body,
The lower frame and the latch constituting each door body are provided with water drainage pieces hanging down from respective lower surfaces, and the water drainage pieces can be abutted against the traveling rail pieces of the lower frame,
A bathroom side piece of the lower frame, formed from a position below the water drainage piece to an end position on the bathroom side in a low step shape which is substantially non-contact with the water drainage piece. door. The latch receiver includes an engaging portion engaged by the latch, and a fixing portion integrally formed with the engaging portion, and the fixing portion is fixed to the lower frame by a fastening screw. The bathroom folding door according to claim 1, wherein the latch receiver is attached to the lower frame by screwing. The lower frame is provided with a screw cover for covering the fastening screw from above and from both sides. A locking claw is formed at an end of the screw cover, and a locking hole having a position and a shape corresponding to the locking claw. 3. The bathroom folding door according to claim 2, wherein the screw cover is attached to the lower frame by forming the screw cover on the lower frame and locking the locking claw in the locking hole.

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