JP3301667B2 - 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 formed by connecting a plurality of panels, such as a shutter and a partition door, installed at an opening of a building by using a joint member. And connection structure.

[0002]

2. Description of the Related Art FIG. 9 is a perspective view showing an example of the appearance of a conventional folding door, FIG. 10 is an enlarged sectional view taken along line EE of FIG. 9, and FIG. 11 is an enlarged sectional view taken along line FF of FIG. 9 to 11, reference numerals 1 and 2 denote an upper rail and a lower rail fixed to a building, respectively, and 3 denotes a plurality of panels 4 having a first joint member 5 and a second joint member 6 adjacent to each other. The panel unit is connected to the upper rail 1 and the lower rail 2 so that the panel unit 3 can be opened and closed freely.

Each of the panels 4 has an upper frame 4b between left and right vertical frames 4a made of an extruded member made of aluminum alloy or resin.
The middle band 4c and the lower frame 4d are arranged, and these are connected with a fixing tool such as a screw, and the panel main body 4e is fitted into these frames. The panel unit 3 includes vertical frames 4 on both sides of the panel 4.
The cylindrical pivoted portion with the vertical groove formed in a is connected to a spindle formed on the first joint member 5 made of an extruded section and a spindle formed on a second joint member 6 made of an extruded section. The plurality of panels 4 are connected via these joint members 5 and 6 by being rotatably fitted, and the pivoting portion of the vertical frame 4a of the leading-edge panel 4 is formed of an extruded pull member 7 Is rotatably fitted to the spindle. The rearmost panel 4 is partially inserted and assembled into a hanging frame 9 fixed to the building via a stop bar (not shown).

At the upper end of the first joint member 5 and the puller 7, a suspending roller 20 is provided via a mounting shaft 20a, as shown representatively of the joint member 5 in FIG.
The hanging roller 20 is mounted on the hanger rail 1 of the upper rail 1.
a, and the joint member 5 and the puller 7
The guide roller 21 is also mounted on the lower end of the
The guide roller 21 is fitted in the guide groove 2a of the lower rail 2. On the other hand, as shown in FIG.
a, guide rollers 22 and 23 are attached via
They are rotatably fitted in the guide groove 1c of the upper rail 1 and the guide groove 2a of the lower rail 2, respectively. In addition, the upper and lower
9 and 11, one side of the guide walls 1b and 2b forming the guide grooves 1c and 2a is omitted (Y, W) in the panel accommodating portion 40, as shown in FIGS. The upper and lower guide rollers 22, 23 of the second joint member 6 can be detached from the upper and lower rails 1, 2, so that the panel housing 4
0 enables panel folding.

[0005] The connection structure between the first and second joint members and the vertical frame of the panel will be described in more detail.
JP-A-1-151590, JP-A-3-23309
As disclosed in Japanese Patent Application Publication No. 0-204, etc., cylindrical pivoted portions with vertical grooves formed on the vertical frame 4a made of the extruded profile of each panel 4 are formed on the joint members 5, 6 made of the extruded profile. And a cylindrical support shaft that is rotatably fitted to the outside. In these conventional folding doors, any of the joint members 5, 6
Has a structure in which the diameter of the support shaft provided in the panel is larger than the width of the vertical groove of the pivot portion formed in an arcuate cross-section, and the connection between the panel 4 and the joint members 5, 6 is performed by connecting the support shaft This is performed by fitting in the longitudinal direction in the pivot portion and preventing the pivotal portion from coming off with a screw or a washer.

[0006]

As described above, in the conventional folding door, when the panel 4 is assembled to the joint members 5, 6, the support shafts formed on the joint members 5, 6 are connected to the vertical frame 4a. The fitting must be slidably fitted to the pivoting portion. This fitting operation cannot be performed in a state where the panel 4 is assembled to the rails 1 and 2 due to the panel structure of the door.
Prior to assembling the panel unit, it was necessary to connect the entire panel 4 via the joint members 5 and 6 and assemble the panel unit 3. For this reason, a very heavy panel unit 3 having a weight of about 100 kg must be assembled in the rails 1 and 2, and special equipment for lifting heavy objects is required for the assembling work. For the assembling work, it was necessary to organize several workers as one team. If the panel unit 3 is incorporated into the rails 1 and 2 and some of the panels 4 constituting the panel 4 are damaged, for example, the glass 4e is broken, the panel unit 4 is attached to the rails 1 and 2. In the assembled state, the support shaft and the pivot portion cannot be separated from each other as described above.
The damaged panel 4 must be replaced with a new panel after further removal, and this replacement requires the same equipment and a large number of operators as in the installation.

SUMMARY OF THE INVENTION In view of the above problems, the present invention incorporates a panel unit into and out of a rail with a small number of one or at most two persons, and without the need for special heavy equipment. An object of the present invention is to provide a folding door having a structure that enables the folding door.

[0008]

According to the present invention, in order to achieve the above object, a plurality of panels are foldably connected via a joint member to form a panel unit, and the panel unit is provided on a building. Or it is assembled so that it can be opened and closed along a pair of left and right rails.
The guide members of the first joint members disposed every other are held on the rail, and the guide members provided at the ends of the second joint member between the first joint members are deviated from the rails and folded. In the folding door to be folded, a frame on both sides of each panel is rotatably fitted on a spindle provided on the first and second joint members, and a first frame is rotatably fitted to the first frame. It is divided into a second frame to which the panel body is fixed and fixed, and a fixture having a locking portion is projected from one of the first frame and the second frame to the other frame. The other frame is provided with a notch for locking the fixing tool, or a metal fitting having the notch is fixed, and the fixing tool is passed through the notch to form a second frame. By sliding the first frame relatively in the longitudinal direction, the locking portion of the fixing tool is locked to the missing portion, and Characterized in that in the locked state is provided a stopper for preventing the relative sliding of said first stiles and second stile.

Further, in the present invention, the frame dividing structure may be provided only on the first joint member side.

[0010]

According to the present invention having the above structure, the first joint member is incorporated in the rail in advance, the first frame is attached to the support shaft, and the second frame of the panel is applied to the first frame. , After passing the locking part of the fixture provided on either one of the frames through the other frame or the missing part of the metal fitting fixed to this, slide and lock, and prevent the frames from sliding with each other with the stopper The panels are assembled one by one. Alternatively, when the frame dividing structure is adopted only on the first joint member side, two panels are connected to the second joint and the first joint is formed as a pair of two panels. Assemble to the member. When removing the panels, the panels are removed from the joint member one by one or as a set of two panels in the reverse procedure.

[0011]

1 to 5 show an embodiment of a folding door according to the present invention. The basic structure is the same as that of FIGS. 9 to 11, and the same reference numerals are used as in FIGS. 9 to 11. The parts that demonstrate FIG. 5 is a plan view showing a connection structure between the joint and the panel. As shown in FIG. 5, the vertical frame of the panel 4 includes the first joint member 5, the second joint member 6, the pull handle 7 and Support shafts 5a, 6a, 7a, 8a provided on the stop bar 8
A first frame 4f rotatably fitted on the first frame 4f;
Frame 4 to which panel body 4e is fixed
g. Then, the first frame 4f and the second frame 4g
Is detachably connected by a fixture 10 also serving as a frame connection screw in a structure described later.

That is, the fixing device 10 of this embodiment is a longitudinal sectional view of the first joint member 5 shown in FIG. 1, an exploded perspective view of FIG. 2, and a longitudinal sectional view of the second joint member shown in FIG. As shown in the front view of FIG. 4 and FIG. 4, the second vertical frame 4g is replaced with an upper frame 4b and a lower frame 4d.
And each tapping hole 11 in the middle band 4c (not shown)
This screw connects these frames by screwing them together. The fixing device 10 of the present embodiment is different from a normal fixing device for connecting frames, and has a large-diameter portion 10 having a larger diameter than the hole 12 provided in the second frame 4g.
a, and the head of the fixture 10 is further formed to have a larger diameter to serve as a locking portion 10b for attachment to the first frame 4f. Therefore, the fixing device 10 includes the frame 4g and the other frames 4b to 4b.
In the state in which the large diameter part 10a and the large diameter part 10a are engaged with each other, the large diameter part 10a and the locking part 10b protrude from the outer surface of the frame 4g.

On the other hand, as shown in FIG. 2, a second frame 4g is mounted on the first frame 4f on the opposite side of the cylindrical pivot portion 13 rotatably fitted to the support shafts 5a, 6a. Is formed. Further, the bottom surface portion 16 forming the bottom surface of the groove 15 has a locking portion passing portion 17a which is slightly wider than the locking portion 10b of the fixing tool 10 and a narrower portion than the locking portion 10b and slightly smaller than the large diameter portion 10a. A wide locking receiving portion 17b is provided with a notch portion 17 formed in a series by punching or cutting, and a metal fitting 18 made of a steel plate for reinforcement (this metal fitting 18 is provided on the bottom portion 16). Similarly, if the thickness is increased, it is not always necessary to provide a notch 18c formed of the passing portion 18a of the locking portion 10b of the fixing device 10 and the locking receiving portion 18b. The metal fittings 18 are fitted at both ends into mounting grooves 19 formed between the grooves 14 and the pivoting portions 13,
Also, as shown in FIGS. 1 and 3, a hole 18 provided in a metal fitting 18 is provided.
The portion of the bottom plate portion 16 facing the portion d is caulked and protruded, and the projection 16a is fixed by fitting it into the hole 18d. In this case, the notch 17 provided on the bottom 16 and the notch 18c of the metal fitting 18 are matched.

The panel 4 with respect to the first joint member 5
As shown in FIG. 1, the first frame 4f is slidably fitted to the first joint member 5 in the axial direction as shown in FIG.
A stopper plate 24 is applied to the joint member 5 and the end face of the first frame 4f, and a screw 25 is passed through a hole of the stopper plate 24 to thereby secure the screw 25.
Is screwed into the center hole of the support shaft 5a to fix the stopper plate 24, so that the first frame 4f is attached to the first joint member 5 by the stopper plate 2.
Use 4 to keep it from falling off. This retaining structure is shown in FIG.
The same applies to the second joint member 6 shown in FIG.

As shown by a two-dot chain line in FIG. 1, the second frame 4 of the panel 4 in which the panel main body 4e has been incorporated in advance.
g into the groove 15 of the first frame 4f, and the fixture 1
The locking portions 10b of the first frame 4f and the locking portion insertion portions 17a, 18a of the notching portions 18c of the metal fittings 18 are connected to the locking portions 10b.
Then, the panel 4 is lowered, so that the large-diameter portion 10a of the fixture 10 fits into the locking receiving portions 17b and 18b, is prevented from being detached by the locking portion 10b, and the panel 4 is supported by the first joint member 5. Is done.

In this state, for example, as shown in FIG.
The second frame 4g is prevented from falling out of the first frame 4f by being fitted into the hole 28 of the second frame 4g through the set screw 26 serving as a stopper in the hole 27 of the frame 4f.

The structure of the stopper for preventing sliding is shown in a perspective view of FIG. 6 and a longitudinal sectional view of FIG.
Holes 16 communicating with the bottom plate portion 16 and the metal fitting 18, respectively.
a, 18e, while preparing a stopper 30 having a projection 30a that is pressed into these holes 16a, 18e,
By fitting the projection 30a to the hole 16a at 18e,
The stopper 30 may be configured to prevent the second frame 4g from falling out.

After attaching the panel 4 to the first joint member 5 as shown in FIG. 1, the second joint member 6 is attached as shown in FIG. In this case, it is easier to attach the second joint member 6 by lifting and lowering the second joint member 6 so that the panel 4 supports the second joint member 6 and attaching the stopper in that state. For,
As shown in FIG. 3B, the vertical direction of the metal fitting 18 (the same applies to the direction of the notched portion 17 of the bottom portion 16 of the groove) is opposite to the vertical direction of the first joint member 5. The structure of the second joint member 6 to be stopped by the set screw 26 is the same as in the examples of FIGS.

When the panel 4 is to be removed, the set screw 26 on the second joint member 6 side is loosened to remove the second joint member 6 from the first joint member 6.
The first frame 4f is lifted together with the frame 4f of the fixing device 10 and the first frame 4f is removed from the fixing device 10 by passing the locking portion 10b of the fixing device 10 through the locking portion passing portions 17a, 18a of the notched portions 17, 18c. The second joint member 6 is detached from the two panels 4 connected to the joint member 6, and then the set screw 2 on the first joint member 5 side on which the panel to be removed is connected.
6 and lift the panel 4, and fix the fixture 10 as described above.
Are removed from the notches 17 and 18c.

Since the joint member 6 and the panel 4 are generally heavy enough to be lifted by one person, the work of mounting and removing the panel as described above must be performed by one person or at most two people. Can be.

FIG. 8 is a plan view showing another embodiment of the present invention. In this embodiment, only the first joint member 5 side is used.
By adopting a split structure in which the first frame 4f and the second frame 4g are detachably connected by the fixture 10, one set of two panels 4 commonly connected by the second joint member 6 is formed. It can be attached and detached, and even with such a configuration, assembly and removal can be performed with a small number of one or two persons.

Although the present invention has been described with reference to the embodiment, in addition to the above-described embodiment, a fixture is attached to the first frame 4f and a cutout portion is provided in the second frame 4g, contrary to the above-described embodiment. Second
Various modifications and additions can be made to the structure and combination of panels and joint members without departing from the scope of the present invention, such as a structure in which a groove is provided in the frame and the first frame is fitted in the groove. In addition, the present invention can be applied to not only a horizontal folding door as in the embodiment but also a vertical folding door.

[0023]

According to the first aspect of the present invention, the panels alone can be sequentially assembled into the rail while being connected via the joint member, and by performing the same operation in reverse, the panels alone can be laid. Since the panel unit can be removed from the rail, the panel unit can be assembled into the rail and removed with a small number of one or at most two people, and without the need for special heavy equipment. .

According to the second aspect, since the panels can be attached and detached as a set of two sheets, the same effect as that of the first aspect can be obtained.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a first joint member side portion of an embodiment of a folding door according to the present invention.

FIG. 2 is an exploded perspective view showing a connection portion between the panel of the embodiment and a first joint member.

FIG. 3 is a longitudinal sectional view showing a first joint member side portion of the embodiment.

FIG. 4 is a front view showing the panel of the embodiment.

FIG. 5 is a plan view showing the overall configuration of the embodiment.

FIG. 6 is an exploded perspective view showing another example of the stopper according to the present invention.

FIG. 7 is a longitudinal sectional view showing a mounting structure of the stopper of FIG. 6;

FIG. 8 is a plan view showing the overall configuration of another embodiment of the present invention.

FIG. 9 is a perspective view showing the entire configuration of a conventional folding door.

FIG. 10 is an enlarged sectional view taken along the line EE of FIG. 9;

FIG. 11 is an enlarged sectional view taken along line FF of FIG. 9;

[Explanation of symbols]

 Reference Signs List 1 upper rail 1a hanger rail 1c, 2a guide groove 2 lower rail 3 panel unit 4 panel 4a vertical frame 4e panel body 4f first frame 4g second frame 5 first joint member 5a, 6a Support shaft 6 Second joint member 10 Fixture 17, 18c Missing portion 18 Metal fitting 20 Suspension rollers 21, 22, 23 Guide rollers 26 Set screw 30 Stopper

Claims (2)

(57) [Claims] A panel unit is constructed by connecting a plurality of panels in a foldable manner via a joint member, and the panel unit is assembled to be openable and closable along a pair of upper and lower or left and right rails provided in a building. In the panel accommodation section,
The guide members of the first joint members disposed every other are held on the rail, and the guide members provided at the ends of the second joint member between the first joint members are deviated from the rails and folded. In the folding door to be folded, a first frame which rotatably fits a frame on both sides of each panel to a support shaft provided on the first and second joint members;
And a second frame to which the panel body is fixed, and a fixing tool having a locking portion is provided on one of the first and second frames. The other frame is provided with a notch for locking the fixing member, or a metal fitting having the notch is fixed to the other frame, and the second fixing member is passed through the notching portion. By sliding the first frame and the first frame relatively in the longitudinal direction,
A folding door having a structure in which a locking portion of the fixing tool is locked by the notch. 2. The folding door according to claim 1, wherein the frame dividing structure is provided only on the first joint member side.