JPS5910468B2 - folding door device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a folding door device, and includes a front side hinge 2 for folding the panel 1 so that the front side of the panel 1 protrudes, and a rear side hinge 3 for folding the panel 1 so that the rear side of the panel 1 protrudes. A plurality of panels 1 are alternately hinged to form a folding door body 4, and an upper guide 5 provided above the rear hinge 3
is slidably inserted into the upper rail 6, and the door roller 7 provided below the rear hinge 3 is slidably inserted into the lower rail 8, and the follower guide 10 provided above the front hinge 2 is movable vertically. A first kick-out block 12 that springs upward with a spring 11 and allows the subordinate guide 10 located on the end side in the folding direction of the subordinate guides 10 to be freely inserted into and taken out from the upper rail 6; and the remaining subordinate guides 10. To provide a folding door device characterized in that the upper rail 6 is provided with a second kick-out block 13 for allowing the door to be freely put in and taken out from the upper rail 6.

Conventional folding doors simply had an upper guide above the rear hinge and a door roller below, but no follower guide above the front hinge, so when fully closed, the rear If an external force is applied from the side, it will fold open at the front hinge, and when folded further,
Each front side hinge part and each rear side hinge part are folded separately to make it difficult to fold.If you fold it further, the whole thing will be folded apart, so only the two panels can be folded freely and this can be used as an entrance/exit. There was no way I could say that.

The present invention was invented in view of the above points, and its purpose is to provide a vertically movable follower guide above the front hinge so that external force is not applied from the rear side when the front hinge is fully closed. Even if the slave guide is folded at the front hinge part, it will not open. By providing a block and a second kicking block on the upper rail to allow the remaining slave guide to be moved in and out of the upper rail, multiple panels can be folded from the fully closed state at the end in the folding direction. The side panels can be folded one after the other in order, allowing for smooth and orderly folding, and when opening from the opposite side, the first
To provide a folding door device in which only two end panels can be folded by a kick-out block and can be used as an entrance/exit.

The present invention will be explained in detail below with reference to Examples.

In the figure, 1 is a panel formed by extrusion molding of synthetic resin, which is hollow inside and open at the top and bottom.Hinges for sliding are provided at both left and right ends of panel 1 symmetrically with respect to the center. An arc surface 14, a stopper piece 15, and a cylindrical shaft 16 at the tip of the stopper piece 15 are provided.

Both the front side hinge 2 and the rear side hinge 3 are formed by extrusion molding of aluminum, and are long members with a substantially semicircular cross section, and their length is equal to the vertical height of the hinge 1. be.

The front hinge 2 and the rear hinge 3 are each provided with two bearing grooves 17 over the entire length of the upper and lower sides, and each bearing has tapping holes 18 on both sides of the bearing grooves 17 along the entire upper and lower sides. It is provided throughout.

Further, each of the front side hinge 1 and the rear side hinge 3 is provided with opposing arcuate support portions 19 over the entire length thereof.

Thus, the folding door body 4 is formed by fitting the cylindrical shaft 16 into the bearing groove 17, and hinges a plurality of panels 1 alternately with the front hinge 2 and the rear hinge 3.

Here, the front side hinge 2 and the rear side hinge 3 are folded so that only the front side of the panel 1 protrudes at the front side hinge 2 due to the presence of the stopper pieces 15 provided point-symmetrically on both the left and right sides of the panel 1, and The rear hinge 3 allows the panel 1 to be folded only so that the rear side of the panel 1 protrudes.

An upper guide 5 is provided above the rear hinge 3.

The upper guide 5 is provided above the rear hinge 3 as shown in FIG.

In Fig. 4, reference numeral 20 denotes a cap, which is made of synthetic resin.The outer shape of the cap 20 is slightly larger than that of the rear hinge 3, and has a large hole 21 and two small holes at the bottom. 22 and a guide protruding shaft insertion hole 23 are bored, and a locking step 24 is provided on the opposing inner wall, and a guide surface that protrudes downward from the upper edge of the cap 20 to the locking step 24. It is 25.

Reference numeral 26 in FIG. 4 is a guide bottle tube, and an outer flange 27 is provided at the upper opening edge.
A guide pin 28 is inserted into the interior from above.

The upper part of the guide pin 28 is a steady rest part 29 with a chamfered side surface, and the upper part of the steady rest part 29 is provided with a protrusion 30 for fixing.

A coil spring 31 is mounted on the steady rest portion 29, and a non-circular hole 33 of a guide plate 32 is fitted therein.

A locking protrusion 40 protrudes from the front and rear of the guide plate 320, and two guide protrusions 34 hang downward from the guide plate 32.

In the figure, reference numeral 35 denotes a guide arm plate, and an upper guide 5 is provided on the lower surface side of the tip.

As the upper guide 5, a horizontally rotating member is used, and is rotatably attached by guide roller pins 36.

The guide arm plate 35 is provided with a hole 37 for inserting the upper part of the steady rest part 29 and a fixing hole 38 provided above the hole 37.

Then, the guide bottle tube 26 with the guide pin 28 inserted into the large hole 21 of the cap 200 is inserted from above, the outer flange 27 hits the bottom of the cap 20, and the coil spring 31 is inserted into the steady rest part 29 of the guide pin 28. The guide bottle tube 26 and the guide plate 32 are fixed to the cap 20 by locking the locking protrusion 40 of the guide plate 32 that has been fitted onto the locking step 24 using the guide surface 25 as a guide.

In addition, the upper part of the steady rest part 29 is connected to the guide arm plate 35.
The fixing tool is inserted into the fixing hole 37 and fixed to the fixing protrusion 30 by inserting the fixing tool through the fixing hole 38.

Here, the upper and lower ends of the coil spring 31 are in elastic contact with the stepped portion 110 at the lower end of the steady rest portion 29 and the guide plate 32,
It always presses the guide pin 28 downward,
The guide arm plate 35 can be lifted upward against the spring force of the coil spring 31.

Further, the two guide shafts 34 protrude downward from the guide shaft insertion hole 23 of the cap 20.

Thus, the guide bottle tube 26 protruding downward from the cap 20 is fitted between the opposing arcuate support parts 19 at the upper part of the rear hinge 3, and at this time, the guide shaft 34 is inserted into the upper part of the cylinder shaft 16. Then, the cap 20 is positioned with respect to the rear hinge 3, and in this state, the screw 39 is inserted through the hole in the guide plate 32, passed through the small hole 22, and screwed into the tapping hole 18.

When the cap 20 is attached to the upper surface of the rear hinge 3 in this manner, the outer edge of the cap 20 is positioned above the upper edge of the end of the panel 1 to prevent the panel 1 from coming off upward relative to the rear hinge 3. It has become.

A door wheel 7 is attached below the rear hinge 3 as shown in FIG.

The door roller 7 is rotatably attached to a U-shaped door roller housing 42, and a horizontal piece 41 extends from the upper end of one side of the U-shaped door roller housing 42. A locking protrusion 43 for the housing is protruded on one side, two protruding shafts are protruded upward on the horizontal piece 41, and a screw insertion hole 45 is provided on the horizontal piece 41. be.

In the figure, 46 is a door roller guide, which has a cylindrical shape that is elongated in the left and right direction, and sliding contact portions 47 that are bulged in an arc shape on both left and right sides.
This sliding contact portion 47 is in sliding contact with both sides of the lower rail 80, so that the sliding contact area is small.

Stepped portions 49 are provided at the lower portions of both left and right inner walls of the square hole 48 of the door roller guide 46.

In the figure, reference numeral 9 denotes a cap, and this cap 9 has the same shape as the aforementioned cap 20 attached to the upper end surface of the rear hinge 3, so that both can be used in common.

Then, the door roller housing 42 is inserted into the square hole 48, and both left and right ends of the bottom piece 51 of the door roller housing 42 are locked to the step part 49 using the insertion guide surface 108 as a guide, and the upper part of the door roller housing 42 is inserted into the cap 9. The housing locking protrusion 43 is locked to the locking step 24 of the cap 9, and the cap 9, the door roller housing 42, and the door roller guide 46 are integrated.

Here, since the protruding shaft 44 protrudes from the guide protruding shaft insertion hole 23 of the cap 9, this protruding shaft is inserted into the lower end of the cylinder shaft 16 and positioned, and in this state, the screw 52 is inserted through the screw insertion hole 45. It is inserted into the small hole 22 and screwed into the lower end of the tapping hole 18.

By attaching the cap 9 with the door roller 7 attached to the lower end surface of the rear hinge 3 in this way, the edge of the cap 9 is located below the lower surface of the end of the panel 1, and the panel 1 is positioned below the rear hinge 3. to prevent it from falling.

A follower guide 10 is attached above the front hinge 2 as shown in FIG.

In the figure, 53 is a guide bottle tube, and 54 is a guide bottle having a steady rest part 29, a protrusion 55 at the lower end, and a fixing protrusion 30 at the upper end.

Further, 56 is a guide plate, and 57 is a cap.

Here, the guide bottle tube 53, guide pin 54, guide plate 56, and cap 57 are all of the same shape as the guide bottle tube 26, guide pin 28, guide plate 32, and cap 20 that are attached to the upper part of the rear hinge 3. are used and can be shared with each other.

Then, put the spring 11 into the guide bottle tube 53,
Furthermore, insert the guide pin 54 into the guide bottle tube 53, and in this state, attach the guide bottle tube 53 to the cap 570.
The steady rest part 2 is inserted into the large hole 21 and the outer flange 27 is placed on the bottom of the cap 57, and the steady rest part 2 is inserted into the non-circular hole 33 of the guide plate 56.
9, insert the guide plate 56 into the cap 57, lock the locking protrusion 40 to the locking step 24, and attach the guide bottle tube 53 to the opposing arcuate support portion 19 at the upper part of the front hinge 2. At this time, with the guide shaft 34 inserted into the upper part of the cylinder shaft 16 and positioned, the screw 59 is inserted into the small hole 22 from the hole 58 of the guide plate 56, and the front side hinge is inserted. It is screwed into the upper part of the tapping hole 18 of No. 2.

Here, the upper end of the spring 11 is fitted into the protruding part 55, and the lower end is in elastic contact with the inner flange of the lower end of the guide bottle tube 53, so that the guide pin 54 is always elastically pushed upward, and the lower end of the steady rest part 29 The stepped portion 110 contacts the non-circular hole 33 of the guide plate 56 to prevent the guide pin 54 from coming out upward.

A slave guide 10 consisting of a horizontally rotatable roller is rotatably attached to the upper end of the guide pin 54.

A cap 105 having the same shape as the cap 20 is attached to the lower surface of the front hinge 2, and the cap 57 and the cap 105 prevent the panel 1 from coming off the front hinge 2.

The folding door body 4 having the above structure is attached to the upper rail 6 and the lower rail 8 in the following manner.

That is, the upper rail 6 is made of metal such as aluminum.
As shown in FIG. 24, it is composed of an upper guide rail part 60 and a slave guide rail part 61, and the upper guide rail part 60 is a rear piece of the slave guide rail part 61 having a substantially inverted U-shaped cross section. It has a substantially U-shaped cross section extending rearward and downward from the lower part and opening toward the front, and mohair 109 for airtightness is attached to the front of the lower edge rising part 62 of the front opening.

To install the folding door body 4 here, with the folding door body 4 folded, hook the upper guide 5 onto the upper guide rail part 60, and in this state, lift the folding door body 4 slightly upwards and lower the door roller 7. Place the folding door body 4 on the rail 8 and lower it again to attach it, or first fold the folding door body 4 and place the door roller 7 on the lower rail 8, and then move the guide arm plate against the spring force of the coil spring 31. 35 with the upper guide rail section 6 slightly raised.
When the upper guide 5 is inserted into the interior through the front opening of the upper guide 5 and released in this state, the upper guide 5 comes into elastic contact with the lower bottom of the upper guide rail section 60 due to the spring force of the coil spring 31.

As mentioned above, the upper guide 5 is vertically movable and the coil spring 3
1, so even if the height from the lower rail 8 to the upper rail 6 differs at the site, this can be absorbed and the folding door body 4 can be reliably attached to the upper rail 6 and the lower rail 8. It is something that can be installed.

Here, the lower edge rising portion 62 prevents the upper guide 5 from also coming off the upper guide rail portion 60.

In addition, since the slave guide 10 runs while making elastic contact with the upper bottom of the slave guide rail part 61, a synthetic resin overlay 103 is attached to the upper bottom of the slave guide rail part 61, so that when the slave guide 10 runs, it makes a metallic noise. Furthermore, by attaching this overlay 103, screws 106 for attaching the slave guide rail section 61 are installed.
is not visible from inside the room.

A lead panel 1a is connected to both ends of the folding door body 4, and an upper guide 5 is provided at the upper end of the lead panel 1a to be inserted into the upper guide rail portion 60 of the upper rail 6. A door roller 7 that can be inserted into the lower rail 8 is provided.

Further, a lock device 63 whose end portion can freely protrude from the lead panel 1a is attached to the lead panel 1a.

A vertical frame 6 is provided between both ends of the upper rail 60 and both ends of the lower rail 80.
4 is standing.

This vertical frame 64 is fixed to the wall or pillar of the room to be partitioned, has a substantially U-shaped cross section, and is made of metal such as aluminum.

A door stop 65 is movably installed inside the vertical frame 64.
This door stop 65 is pressed against the opening side of the vertical frame 64 by a spring material 66 such as a leaf spring.

In the figure, reference numeral 104 denotes a stopper edge piece provided at the opening edge of the vertical frame 64, and the contact portions 107 at both ends of the door stopper 65 hit the stopper edge piece 104 to prevent the door stop 65 from coming off from the vertical frame 64. It has become.

In this way, the spring material 66 is movably installed inside the vertical frame 64.
By adopting a configuration in which the folding door body 4 is pressed toward the opening side, when the folding door body 4 is fully closed, the end face of the lead panel 1a will be in a state of pressing the door stop 65, and there will be some error in the distance between the vertical frames 64 at the site. However, by moving the door stop 65, this can be absorbed and the door can be fully closed.

Further, the doorstop 65 is provided with a locking hole 67,
The end of the locking device 63 provided on the lead panel 1a can be locked freely.

By the way, a bottom cap 68 made of synthetic resin is attached to the bottom of the lower end of the vertical frame 64, and by attaching this bottom cap 68 made of synthetic resin, the door stop 65 can be made of metal such as aluminum. Since it does not directly slide on the lower rail 8 made of metal such as aluminum but rather on the bottom cap 68 made of synthetic resin, no metallic noise is generated due to sliding.

In the figure, reference numeral 69 denotes a locking hole provided at the bottom of the vertical frame 64, into which the locking claw 70 of the bottom cap 68 is locked.

Further, numeral 71 in the figure is a cut groove provided in the bottom cap 68, into which the door roller 7 portion enters.

The lower part of the lower rail 8 has a wide groove part 72, and a synthetic resin underlay 73 is fitted into this wide structure 72, and the door roller 7 rolls on the rail protrusion 74 of this underlay 73. By doing this, the door roller 7
This prevents metallic noise from occurring when rolling.

Here, if a protrusion 75 is provided on the inner wall of the lower rail 80 or the door roller guide 46 as shown in FIG. 18 or 19, the frictional resistance can be reduced.

A panel cap 76 is attached to the vertical end face of the panel 1 as shown in FIG.

An engagement notch 78 is provided at the end of the rib 77 in the panel 1, and the bifurcated leg 7 protrudes downward from the panel cap 76.
The panel cap 76 is attached to the end face of the panel 1 in the vertical direction by engaging the claw 80 at the lower end of the panel 9 with the engagement notch 78.

Reference numeral 81 in FIG. 22 denotes a plate having a substantially double-shaped hinge holder.One piece 82 is attached to the panel cap 76, and the other piece 83 is made to face the cap 9, the cap 20, or the cap 57 or the cap 105. 9. Cap 2
This is to prevent the cap 57 or the cap 105 from coming off.

The upper rail 6 is provided with a guide inclined piece 97 that is diagonally inclined upwardly toward the front from the lower end of the front piece of the slave guide rail part 61 .
A first kick-out block 12 is provided to allow the subordinate guide 10 located on the end side in the folding direction of the subordinate guides 10 to be freely inserted into and removed from the upper rail 6, and a first kick-out block 12 is provided for allowing the remaining subordinate guides 10 to be inserted into and taken out from the upper rail 6. A second kick-out block 13 is provided for this purpose.

As shown in FIG. 30a, the first kicking block 12 is a slave guide 1 located at the end in the folding direction (indicated by arrow A in FIG. 30a) when the folding door body 4 is fully closed.
It is attached at a position slightly shifted from 0 in the folding direction.

The second kicking block 13 is the main kicking block 1.
When the folding door body 4 is fully closed, the main kicking block 13a is located at a position slightly shifted in the folding direction from the second slave guide 10 from the end in the fully opening direction. A sub-kick-out block 13b is located at a position slightly shifted in the fully closing direction from the main pull-out block 13a.

Here, the same block body 84 is used as the first kicking block 12 and the main kicking block 13a.

The block body 84 has a shape as shown in FIG. 28, and both left and right sides of the lower surface are inclined.

That is, in FIG. 28, if the folding direction side is the right side and the fully closing direction side is the left side, the lower right side of the block body 84 becomes the sloped surface 85 for climbing on, and the lower left side becomes the sloped surface 86 for loading and unloading. There is.

The right end of the loading/unloading inclined surface 86 is a loading/unloading guide hanging wall 87 that is inclined so as to be located to the right of the front. It has become.

The center of the lower surface of the block body 84 that is continuous with the loading/unloading guide hanging wall 87 and the climbing slope 85 is a drop-preventing slope 89 that protrudes downward toward the front, and furthermore, the rear surface of the forward protruding guide wall 88 The side has a hanging wall 90 to prevent it from falling off.

A protrusion 91 for preventing movement is provided at the rear of the inclined surface 89 for preventing falling.
are protrudingly provided, and engagement protrusions 92 are protrusively provided on both left and right sides of the upper portion of the movement prevention protrusion 91.

The engagement protrusion 92 has a triangular cross section that protrudes rearward toward the bottom, and has an inclined protruding outer surface 93.

On the other hand, a U-shaped engagement groove 94 having a U-shaped cross section is provided along the entire length of the lower part of the rear inner wall of the slave guide rail portion 61 of the upper rail 6. At the attachment portion and the attachment portion of the main push-out block 13a, the lower bottom pieces 95 of the U-shaped engagement grooves 94 are cut out at equal lengths in the left and right sides of the movement prevention protrusion 91.

When installing the block body 84 used as the first kicking block 12 and the main kicking block 13a, the block body 84 is fitted into the slave guide ring portion 61, and the U-shaped engagement groove 94 is inserted into the block body 84. The anti-movement protrusion 91 is fitted into the notch 96 of the lower bottom piece 95, and the engagement protrusion 92 is engaged with the U-shaped engagement groove 94 using the inclined outer surface 93 of the protrusion as a guide surface.

Here, by fitting the movement prevention protrusion 91 into the notch 96, the block body 84 is prevented from moving left and right, and the engagement protrusion 92 is engaged with the U-shaped engagement groove 94. This prevents the block body 84 from falling downward.

Further, the forward protruding guide wall 88 projects forward from the lower end of the front inner wall of the slave guide rail section 61 and hangs down.

On the other hand, FIG. 29 shows a sub-kick-off block 13b used as the second kick-off block 13.

The sub-kick-off block 13b has an inclined long side part 98 which becomes higher towards the front along the guide inclined piece 97 and a sub-guide rail part 6.
1, and a short side portion 99 along the lower edge of the front inner wall of No. 1.

This sub-kick-out block 13b is attached by inserting a screw or the like from the upper surface side of the guiding inclined piece 97.
The side wall on the folding side of the inclined long side portion 98 is a side wall 100 for loading and unloading that is inclined parallel to the hanging guide wall 87 for loading and unloading the block body 84 used as the sub-kick-out block 13b and the forward protruding guide wall 88 that follows this. The width of the gap between the forward protruding guide wall 88 and the loading/unloading side wall 100 is slightly wider than that of the secondary guide 10 made of rollers.

The rear part of the short side part 99 slightly protrudes below the slave guide rail part 61, and the lower edge of this protruding part 101 has a slope such that the end in the folding direction is low and the end in the fully closing direction is high. This is a surface portion 102.

Next, the operation of the present invention will be explained.

As shown in Fig. 30a, while the end of the locking device 63 of the right reed panel 1a remains locked in the locking hole 67 of the right door stop 65 in the fully closed state, lock the left reed panel 1a. When the end of the device 63 is removed from the locking hole 67 of the left door stop 65 and the left lead panel 1a is moved in the direction of the arrow A in FIG. The slave guide 10 located at the end (on the right side in FIG.
, and is guided by the loading/unloading guide hanging wall 87 and jumps forward along the forward protruding guide wall 88 .

When the left lead panel 1a is further moved in the direction of arrow A in FIG.
Inclined surface 8 for loading and unloading the block body 84 used as
6, is guided by the loading/unloading guide hanging wall 87, and jumps forward along the forward protruding guide wall 88, and in the same way, the third slave guide 10, the fourth slave guide 10, etc.
・It is made to protrude outward one after another and is folded to a fully open state as shown in Fig. 30d.

On the other hand, when changing from the fully open state to the fully closed state, the fully closed operation is performed by pulling the lead panel 1a on the fully closed side in the direction of the arrow in Figure 31, and the lead panel 1a is pulled in the direction of the arrow in Figure 31. (and the slave guide 10 on the end side in the fully closed direction)
is the secondary kicking block 13 of the second kicking block 13
It hits the loading/unloading side wall 100 of the inclined long side portion 98 of b, is guided by this, and is pushed downward by the guiding inclined piece 97 until it reaches the vicinity of the lower end opening of the slave guide rail portion 61;
Here, it is guided by the inclined surface part 102 and enters the slave guide groove part 61, and here the slave guide groove part 6
1, the slave guide 10 is moved by the spring force of the spring 11.
is pushed upward so that it does not escape from the slave guide rail portion 61 (moves in the fully closed direction).

Similarly, the second slave guide 10 from the end in the fully closed direction.
The third slave guide 10... and then the slave guide guide 61 are guided by the subsidiary kick-out block 13b.
Finally, the slave guide 10 at the end in the folding direction enters the slave guide rule part 61 along the guiding inclined piece 97 and is completely closed.

At this time, if the slave guide 10 is not guided by the sub-kick-off block 13b and directly enters the guide-slanted piece 97 in the folding direction from the sub-kick-off block 13b, the entire When the block body 84 is pulled in the closing direction, there is a block body 84 in the middle, but in this case, the slave guide 10 can pass below the block body 84 by moving along the slope 85 for riding on the block body 840. At this time, due to the presence of the fall-preventing slope 89 and the fall-preventing hanging wall 9o, the slave guide 1o will not fall forward.

Next, in the fully closed state, insert the end of the locking device 63 of the left lead panel 1a into the tank locking hole 67 of the left door stop 65.
Remove the end of the locking device 63 of the right lead panel 1a from the locking hole 67 of the right door stop 65, and move the right lead panel 1a in the direction of arrow A in FIG. 32A. Then, the slave guide 10 located at the end in the folding direction (on the right side in FIG. 32) is pulled out outward by the block body 84 used as the first kicking block 12, so in this state, the right lead panel 1a When the panel is moved in the direction of the arrow shown in Fig. 32, only the two panels 1 on the right side are folded, forming an opening of one size between the two panels, which can be used as an entrance/exit opening.

At this time, since the left lead panel 1a is locked to the left door stop 65, the second and subsequent slave guides 10 do not fly out.

In the above embodiment, the first kicking block 12 and the second kicking block 13 are provided on the right side of the upper rail 6, but the first kicking block 1 is provided on the left side of the upper rail 6.
2 and the second kick-out block 13 are provided, the left and right hand can be reversed.

In this case, the U-shaped engagement groove 94 of the slave guide rail portion 61
If notches 96 are provided symmetrically on the left and right sides of the camera, by selecting the notches 96, it can be made compatible with either right-handed or left-handed users.

Furthermore, in the above embodiment, an example was shown in which the second kicking block 13 was composed of the main kicking block 13a and the sub kicking block 13b, but the second kicking block 13 was composed of only the main kicking block 13a. It may be composed of

In this case, the slave guide 10 is guided by the guiding inclined piece 97 and directly enters the slave guide rail portion 61.

In the present invention, as described above, the vertically movable subordinate guide provided above the front hinge is spring-loaded upward, so if the subordinate guide is inside the upper rail, the entire Even if an external force is applied from the rear side when closing, the slave guide will not jump out of the upper rail, and as a result, the front hinge will not be folded open due to external force, and the fully closed state will be maintained. can be kept accurate.

In addition, there is a first kick-out block for allowing the slave guide located on the end side in the folding direction to be freely inserted into and taken out from the upper rail, and a second kick-out block for allowing the remaining slave guides to be freely put in and taken out from the upper rail. Since the extension block is provided on the upper rail, multiple panels can be folded one after another from the fully closed state in the folding direction, starting from the panel on the end side in the folding direction, allowing for smooth and smooth folding. It can be folded in an orderly manner, and if you want to fold only two panels as an entrance/exit, you can fold only the two panels by simply inserting and removing the subordinate guide at the end in the folding direction from the upper rail. This has the advantage that an opening for two panels can be formed by using this method, and this can be used as an entrance/exit.

[Brief explanation of drawings]

Fig. 1 is a front view of the present invention in a fully closed state, Fig. 2 is a partially omitted perspective view of the same as above, Fig. 3 is a cross-sectional view of the panel connected, and Fig. 4 shows the upper guide attached to the rear hinge. Figure 5 is an exploded perspective view of the installed state, Figure 5 is a sectional view showing the upper guide installed to the side arm plate, Figure 6 is an exploded perspective view of the door wheel installed on the rear hinge, and Figure 7 is the same door wheel as above. FIG. 8 is a cross-sectional view of the part where the housing is attached to the cap, and FIG. 8 is a cross-sectional view of the part where the door roller housing is attached to the door roller guide.
The figure is an exploded perspective view of the slave guide attached to the front hinge, Figure 10 is a sectional view of the same as above, Figure 11 is a top view of the door roller guide inserted into the lower rail of the same as above, and Figure 12 is the same as above. Figure 13 is an exploded perspective view of the vertical frame and the bottom cap, Figure 14 is a cross-sectional view of the vertical frame with the bottom cap attached, and Figure 15 is the opening of the vertical frame. 16 is a sectional view showing the engagement state of the bottom cap on the side opposite to the opening of the vertical frame, FIG. 17 is a perspective view of the doorstop, and FIG. Fig. 18 is a cross-sectional view of the lower rail portion of the same as above, Fig. 19 is a cross-sectional view of another embodiment of the lower rail portion of the same as above, Fig. 20 is an exploded perspective view of the same as the above panel and panel cap, and Fig. 21 is a cross-sectional view of the lower rail portion of the same as above. FIG. 22 is a cross-sectional view of the mounting portion of the panel cap on the same panel as above; FIG.
The figure is a perspective view of the upper rail same as above, Figure 24 is a sectional view of the upper guide and slave guide attached to the upper rail same as above,
Figure 5 is a cross-sectional view of the protrusion for preventing movement of the attachment part of the block body to the upper rail same as above, and Figure 26 is a cross-sectional view of the engagement protrusion part of the attachment part of the block body to the upper rail same as above. Fig. 27 is a sectional view of the sub-kick-out block attached to the upper rail as above, Fig. 28 a, b, c, d, e, f2
g. h is a perspective view from the front, a perspective view from the rear and lower side, a front view, a left side view, a right side view, a top view, a bottom view, and a rear view of the same block body as above, and FIGS. 29a, b, and e. d, e, f2g are a perspective view, a front view, a left side view, a right side view, a top view, a bottom view, and a rear view of the sub-kick-off block as shown above, and FIGS. 30a, b, and c. d is an explanatory diagram of the action of changing from a fully closed state to a fully open state according to the present invention;
Fig. 31 is an explanatory diagram of the state in the process of changing from the fully open state to the fully closed state, and Fig. 32 a and b are illustrations of the case where only the two end panels of the above are folded to form an entrance/exit opening. In the figure, 1 is a panel, 2 is a front hinge, 3 is a rear hinge, 4 is a folding door body, 5 is an upper guide, 6 is an upper rail, 7 is a door roller, 8 is a lower rail, and 10 is a follower guide. , 11 is a spring, 12 is a first kicking block, and 13 is a second kicking block.

Claims (1)

[Claims] 1 A folding door body is formed by alternately hingeing a plurality of panels with a front side hinge for folding so that the front side of the panel protrudes and a rear side hinge for folding so that the rear side of the panel protrudes, The upper guide provided above the rear hinge is slidably inserted into the upper rail, and the door roller provided below the rear hinge is slidably inserted into the lower rail, and the door roller provided above the front hinge is slidably inserted into the upper rail. A first kick-out block is used to spring the vertical guide upward with a spring, and to make the subordinate guide located on the end side in the folding direction of the subordinate guides freely moveable in and out of the upper rail. A folding door device characterized in that the upper rail is provided with a second kicking block for allowing the door to be moved in and out of the rail.