JPH0579241A - Folding door unit - Google Patents

Abstract

PURPOSE:To obviate the necessity of providing a lower rail with an upwardly open rail groove and facilitate cleaning and the work of attaching and detaching folding door. CONSTITUTION:A folding door 3 is formed by means of connection of a panel 1 in such a manner that the panel 1 is freely folded and rotated. The folding door 3 is installed between upper and lower rails 4, 5 in such a manner as being freely folded, extended and slid. A slide plate 6 is freely vertically movably and horizontally rotatably attached to the lower end of the end portion of the panel 1 opposite to the connection side while being resiliently pushed upward by a spring, and a slide piece 8 is provided at one side end edge of the slide plate 6 in such a manner as projecting upward. A rising portion 9 is provided along the lower rail 5 and a guide rail piece 10 of a lateral-L-shaped cross section is protrusively provided on the side face of the rising portion 9 and along the longitudinal direction of the side face. The slide piece 8 of the slide plate 6 is freely slidably locked to the lower side of the guide rail piece 10. The slide plate 6 is slid on the guide rail piece 10 so that the panel 1 can be guided along the lower rail 5 while the necessity of providing a rail groove is obviated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a folding door device provided in a partition between a bathroom and a dressing room.

[0002]

2. Description of the Related Art A folding door 3 formed by folding a pair of panels 1 and 1 with hinges 2 and pivotally connecting them is attached to upper and lower rails 4 and 5 as shown in FIG.
The folding door 3 is mounted on the upper rail 4 by attaching runners to the upper ends of the ends of the panels 1 and 1 on the opposite side to the connecting side, respectively.
A guide rail groove that is hung and supported on the upper surface of the lower rail 5 and that is provided with a pivot 15 protruding downward at the lower end of the end opposite to the connection side of each panel 1, 1. Generally, it is carried out by slidably inserting into 16 as shown in FIG. The pivot 15 is vertically movable and can be inserted into the guide rail groove 16 from the upper side by elastically urging downward with a spring so that the runner can run along the upper rail 4. The pivot 15 is slid along the guide rail groove 16 of the lower rail 5 when the folding door 3 is folded and extended.

[0003]

However, when the lower end of the panel 1 is guided by the lower rail 5 by sliding the pivot 15 along the lower rail 5 as described above, It is necessary to provide a guide rail groove 16 that opens upward on the upper surface of the rail 5.
When the lower rail 5 is stepped on during walking, the sole of the foot is pressed against the guide rail groove 16 and the foot feels pain, and dust and the like are accumulated in the guide rail groove 16 to make cleaning difficult. .. Also, the pivot 15 is the guide rail groove 1
Since the folding door 3 is inserted into the guide rail 6, it is necessary to insert a screwdriver or the like into the guide rail groove 16 and push up the pivot 15 to remove it from the guide rail groove 16 when removing the folding door 3. There was also a problem that the work of was difficult.

The present invention has been made in view of the above points, and it is not necessary to provide a guide rail groove that opens upward on a lower rail, and a folding door device that facilitates cleaning and detaching work of the folding door is provided. It is intended to be provided.

[0005]

According to the present invention, a pair of panels 1 and 1 are foldably connected to each other at side ends thereof by hinges 2 to form a folding door 3 and are provided between upper and lower rails 4 and 5. In a folding door device in which a folding door 3 is mounted so as to be able to fold and extend and travel, a slide plate 6 is vertically movable and horizontally rotatable at a lower end of an end opposite to a connection side of each panel 1 and 1 and a spring 7 is moved upward. The slide piece 8 is provided on one side edge of the slide plate 6 so as to project upward, the rising portion 9 is provided along the lower rail 5, and the side surface of the rising portion 9 has its longitudinal direction. Cross section L across
The guide rail piece 10 is provided in a protruding shape, and the guide rail piece 1 is provided.
It is characterized in that the slide piece 8 of the slide plate 6 is slidably locked to the lower side of 0.

[0006]

The slide plate 6 is attached to the lower ends of the ends of the panels 1 and 1 on the opposite side to the connection side so that the slide plate 6 can be moved vertically and horizontally and is elastically urged upward by the spring 7 and the slide plate 6 is attached. A slide piece 8 is provided at one end edge so as to project upward, a rising portion 9 is provided along the lower rail 5, and a guide rail piece 10 having a lateral L-shaped cross section is provided on the side surface of the rising portion 9 in the longitudinal direction thereof. Since the slide piece 8 of the slide plate 6 is slidably locked to the lower side of the guide rail piece 10 by projecting, the slide piece 8 of the slide plate 6 is provided at the rising portion 9 of the lower rail 5. The lower end of the panel 1 can be guided along the lower rail 5 by sliding along the guide rail piece 10.
It is no longer necessary to provide a guide groove that opens upward, and by pulling down the slide plate 6 against the spring 7, it is possible to easily perform locking and releasing operations on the guide rail piece 10.

[0007]

EXAMPLES The present invention will be described in detail below with reference to examples. As shown in FIGS. 1 and 2, the panel 1 includes left and right vertical frames 17a,
Upper frame 18a and lower frame 1 are provided between the upper and lower ends of 17b, respectively.
8b is attached to form a frame, a gallery 19 is attached to the upper side of the lower frame 18b, and a face plate 21 such as glass is attached between the vertical frames 17a and 17b, the upper frame 18a and the gallery 19 by a grechan 20. .. Vertical frame 1
7a, 17b and the upper and lower frames 18a, 18b are formed in a hollow shape by extrusion molding of aluminum or the like. Further, a hinge receiving shaft 22 is projected on the vertical frame 17a of the panel 1, and as shown in FIG. 2, fitting grooves on both sides of the hinge 2 are formed in a substantially semi-circular hollow shape by extrusion molding of aluminum or the like. Two
The hinge receiving shafts 22 of the pair of panels 1 are horizontally rotatably fitted in the hinge 3, so that the side ends of the pair of panels 1 and 1 are foldably connected by hinges 2 and the folding door 3 is provided.
Are formed.

FIGS. 6 to 8 show a corner block 24 formed of an L-shaped molded product, and a pin hole 25 having a circular cross-section that opens vertically is provided at the lower end of the corner block 24. A locking step portion 26 is provided on the inner periphery of the lower end portion of 25. FIG. 9 shows a cylindrical shaft pin 27,
A large-diameter locking portion 28 is provided at the upper end thereof, and a tapped screw hole 29 opening downward is provided at the lower end. Further, FIG. 10 shows the slide plate 6, and the screw through hole 3
3 is provided, and a slide piece 8 is provided at one end so as to project upward, and is bent and formed in a lateral L-shaped cross section. Then, as shown in FIG. 6B, the spring 7 is inserted around the outer periphery of the shaft pin 27, the shaft pin 27 is inserted into the pin hole 25 from above, and the lower part of the shaft pin 27 is projected downward from the pin hole 25. The shaft pin 27 can be horizontally rotatably mounted in the pin hole 25 by closing the opening at the upper end of the pin hole 25 with the cap 30. The shaft pin 27 is retained in the pin hole 25 by being engaged with the engagement large diameter portion 28. Also cap 30
The locking claw pieces 31 provided at both ends of the corner block 2
It can be mounted and fixed by being locked in the locking recesses 32 on both sides of 4. Further, after the shaft pin 27 is attached in this way, the screw 34, which is passed through the screw through hole 33 of the slide plate 6, is screwed into the screw hole 29 of the shaft pin 27, so that the slide plate 6 is horizontally attached to the lower end of the shaft pin 27. Attach and fix. As shown in FIGS. 8 (a) and 8 (b), the shaft pin 27 can move up and down in the pin hole 25 and also horizontally. Therefore, the slide plate 6 can be moved up and down accordingly. Further, the slide plate 6 is pulled upward because it is horizontally rotatable and the spring pin 7 constantly exerts a force for urging the shaft pin 27 upward.

By sliding the corner block 24 formed as described above to each panel 1 of the folding door 3 in the lower end portion of the vertical frame 17b, the corner block 24 slides to the lower end of the end portion on the opposite side to the connecting side of each panel 1. The plate 6 is attached so as to project downward. A runner 40 is attached to the upper end of the vertical frame 17b of each panel 1 of the folding door 3 so as to swing freely.

The upper rail 4 and the lower rail 5 are mounted between the upper and lower ends of the left and right vertical frames 35, 35 of the opening, and the upper rail 4, the lower rail 5, and the vertical frames 35, 35 are used as the opening frame. Are formed. The upper rail 4 is formed in a U-shaped cross section as shown in FIG. 1. The horizontal rails 36 for traveling are provided at the lower ends on both sides of the upper rail 4, and the horizontal rails 3 for traveling are also provided.
A packing 37 is attached to the lower side of 6. The lower rail 5 is formed by forming the upper surface of the main body 5a having a square cross section into the inclined surface 5b and integrally forming the rising portion 9 on the side portion of the main body 5a over the entire length.
On the side surface of the above, a packing mounting piece 38 having a U-shaped cross section for mounting the packing 37 is projectingly provided at the upper end thereof, and a guide rail piece 10 is projectingly provided so as to further extend a part of the packing mounting piece 38. There is. This guide rail piece 10
Is provided so as to extend over substantially the entire length of the lower rail 5, and a locking projection 39 is provided at the tip thereof to form an L-shaped cross section.

In order to mount the folding door 3 formed as described above between the upper and lower rails 4 and 5, first, the runners 4 at the upper ends of both side ends of the folding door 3 are firstly attached.
The folding door 3 is suspended and supported by the upper rail 4 by putting 0 and 40 in the upper rail 4 and riding the rollers 41 on both sides of the runner 40 on the horizontal horizontal piece 36 for traveling freely. Next, as shown in FIG. 8B, the spring 7 is compressed and the shaft pin 27 is moved downward to pull down the slide plate 6 with a finger or the like, and the slide piece 8 of the slide plate 6 is moved to the guide rail of the lower rail 5. When the pulling down force of the slide plate 6 is released after the slide plate 6 is positioned below the piece 10, the shaft pin 27 is moved upward by the elastic force of the spring 7 as shown in FIG.
Is pulled up, and the slide piece 8 of the slide plate 6 is locked to the lower side of the guide rail piece 10 as shown in FIG. The slide piece 6 is prevented from coming off the guide rail piece 10 by the slide piece 8 being locked by the locking projection piece 39. In this way, the lower end of the folding door 3 can be attached to the lower rail 5.

Since the runner 40 and the slide plate 6 at both ends of the folding door 3 are not fixed in this state, stoppers 42 and 43 are attached to one end of the upper rail 4 and the lower rail 5, respectively, and Runner 40
And the slide plate 6 are fixed to the upper rail 4 and the lower rail 5, respectively. That is, as shown in FIG. 1, a stopper 42 is inserted in the upper rail 4 in the vicinity of one runner 40 (closer to the center of the upper rail 4 in the longitudinal direction than the runner 40), and the screw 4 screwed into the stopper 42 from below.
By pressing the tip of 4 onto the ceiling surface of the upper rail 4, the stopper 42 is pressed onto the horizontal piece 36 for traveling to fix the stopper 42 in the upper rail 4, and the runner 40 is guided along the upper rail 4. It is fixed so that it cannot run. The stopper 42 can be moved along the upper rail 4 by loosening the screw 44.
Further, as shown in FIG. 4A, a fixing plate 46 provided with tapped screw holes 45 in FIG. 4B is provided in the vicinity of one slide plate 6 (the length of the lower rail 5 lower than the slide plate 6). Guide rail piece 10 and lower rail 5 in the direction center)
The stopper 4 provided with a through hole 48 that is inserted between the small protrusion 47 protruding from the inclined surface 5b of the
3 is disposed on the inclined surface 5b of the lower rail 5 at the same position as the fixed plate 46, and the tip of the screw 49 passed through the through hole 48 is screwed into the screw hole 45 of the fixed plate 46, thereby The stopper 43 is fixed to the lower rail 5 by pressing the locking projection 39 of the guide rail piece 10 together with the stopper 43 so that the slide plate 6 cannot slide along the guide rail piece 10. The stopper 43 can be moved along the lower rail 5 by loosening the screw 49.

The folding door device as shown in FIG. 11A can be assembled as described above. 50 in FIG.
Is a handle attached to the vertical frame 17a of each panel 1 of the folding door 3. However, in the folding door device, when the handle 50 is pulled to the front, the runner 40 on the non-fixed side runs along the upper rail 4 and the slide piece of the slide plate 6 on the non-fixed side. 8 is the lower rail 5
The movable side panel 1 slides along the guide rail pieces 10 and moves along the upper and lower rails 4 and 5, and at the same time, the fixed side panel 1 is horizontal at the fixed side runner 40 and the slide plate 6. Rotate and hinge 2 as shown in Fig. 11 (b).
Thus, the folding door 3 can be folded by bending the panels 1 and 1, and the space between the vertical frames 35, 35 can be opened. By operating in reverse, the folding door 3 can be extended and the space between the vertical frames 35, 35 can be closed. In this way, the slide plate 6 has the rising portion 9 of the lower rail 5.
The guide rail 10 provided on the lower rail 5 slides on the lower rail 5 so that it is not necessary to provide a guide groove having an upper opening. Further, when the folding door 3 is removed, the spring pin 7 is moved downward as shown in FIG. By disengaging the slide piece 8 of the slide plate 6, the folding door 3 can be easily disconnected from the lower rail 5.

[0014]

As described above, according to the present invention, the slide plate is attached to the lower end of the end opposite to the connecting side of each panel so that it can be moved vertically and horizontally and is elastically urged upward by the spring. In addition, a slide piece is provided on one edge of the slide plate so as to project upward, a rising portion is provided along the lower rail, and a lateral cross section L is formed on the side surface of the rising portion along the longitudinal direction thereof.
A guide rail piece with a V-shape is projected, and the slide piece of the slide plate is slidably locked under the guide rail piece, so that the slide piece of the slide plate is provided at the rising portion of the lower rail. By sliding along the rail piece, the lower end of the panel can be guided along the lower rail, and it is not necessary to provide a guide groove that opens upward on the lower rail, making cleaning troublesome. The problem of is gone. Also, by pulling down the slide plate against the spring, it is possible to easily engage and disengage the guide rail piece, and it is easy to attach or remove the folding door to or from the lower rail. is there.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of an embodiment of the present invention.

FIG. 2 is a transverse sectional view of the above.

FIG. 3 is an enlarged vertical sectional view of a part of the above.

4A and 4B show an embodiment of the above, wherein FIG. 4A is a partially enlarged vertical sectional view, and FIG. 4B is a perspective view of a fixing plate.

FIG. 5 is a partially enlarged cross-sectional view of the above.

6A and 6B show a part of the above, wherein FIG. 6A is an exploded perspective view of a slide plate or the like, and FIG. 6B is a perspective view of a shaft pin.

FIG. 7 is a view showing a corner block used in the above, where (a) is a side view, (b) is a front view, and (c) is a bottom view.

FIG. 8 is a view showing a corner block used in the above, and (a) and (b) are cross-sectional views, respectively.

FIG. 9 shows a shaft pin used in the same as above, (a)
Is a front view and (b) is a plan view.

FIG. 10 shows a slide plate used in the above,
(A) is a front view and (b) is a plan view.

FIG. 11 shows the entire folding door device,
(A) is a reduced front view and (b) is a reduced schematic sectional view.

FIG. 12 is a partial cross-sectional view of a conventional example.

[Explanation of symbols]

 1 panel 2 hinge 3 folding door 4 upper rail 5 lower rail 6 slide plate 7 spring 8 slide piece 9 rising part 10 guide rail piece

Claims (1)

[Claims] 1. A folding door device in which side ends of a pair of panels are hingedly rotatably connected to each other to form a folding door, and the folding door is mounted between upper and lower rails so as to extend and run freely. A slide plate is attached to the lower end of the end opposite to the connection side of the panel so that it can be moved vertically and horizontally and is elastically urged upward by a spring, and a slide piece is moved upward at one edge of the slide plate. It is provided so as to project, a rising portion is provided along the lower rail, and a guide rail piece having a lateral L-shaped cross section is provided to project on the side surface of the rising portion along the longitudinal direction thereof, and the slide plate of the slide plate is provided below the guide rail piece. A folding door device comprising a slide piece slidably locked.