JPS5910470B2 - folding door device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a folding door device, which includes a plurality of panels 1,
1... are folded and hinged to extend freely to form a folding door body 4, a guide arm plate 35 is attached above the folding door body 4 so as to be movable up and down, and the guide arm plate 35 is moved downward by a spring 31. The upper guide 5 is attached to the lower surface of the tip of the guide arm plate 35 that is elastically biased and protrudes toward the rear side of the panel 1, and the upper guide rail portion 60 in the shape of a front opening groove is formed on the upper rail 6. 5 is placed on the bottom surface of an upper guide rail section 60 so as to be freely movable.

The object of the present invention is to enable the upper guide to be mounted on the upper rail without any trouble depending on the site situation even if there is some error in the height of the upper rail, and to allow the folding door body to travel. is to provide folding door equipment.

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. A hinge sliding arc surface 14, a stopper piece 15, and a cylindrical shaft 16 at the tip of the stopper piece 15 are provided symmetrically.

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 the length thereof is equal to the vertical height of the panel 1. It is.

The front hinge 2 and the rear hinge 3 are each provided with two bearing grooves 11 over the entire length of the upper and lower sides, and each bearing has tapping holes 18 on both sides of the four bearing grooves 1γ, respectively. It is provided throughout.

Further, each of the front hinge 2 and the rear hinge 3 is provided with opposing arcuate support portions 19, 19 over the entire length thereof.

Thus, the folding door body 4 is formed by fitting the cylindrical shaft 16 into the bearing groove 11, and hinges the 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, 20 is a cap made of synthetic resin, and the outer shape of the cap 20 is slightly larger than the rear hinge 3, and the bottom has a dog hole 21 and 12 /J size holes. L22 and a guide shaft insertion hole 23 are drilled,
Furthermore, a locking step 24 is provided on the opposing inner wall, and a guide surface 25 projects downward from the upper edge of the cap 20 behind the locking step 24 .

Reference numeral 26 in FIG. 4 is a guide bottle tube, and an outer flange 21 is provided at the upper opening edge.
A guide bin 28 is inserted into the interior from above.

The upper part of the guide pin 28 is a steady rest part 2 with chamfered sides.
9, and a fixing protrusion 30 is protruded from the upper part of the steady rest part 29.

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

Locking protrusions 40 protrude from the front and rear of the guide plate 32, 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.

A horizontally rotating roller is used as the upper guide 5, and is rotatably mounted by a guide roller pin 36.

As shown in FIG. 5, a rotary cylinder part 43 is protruded from the upper surface of the upper guide 5, and the rotary cylinder part 43 is fitted into a boss 44 protruding from the guide arm plate 35, so that the upper guide 50 turns horizontally. This is to ensure that it runs smoothly without shaking.

The guide arm plate 35 is provided with a hole 31 for inserting the upper part of the steady rest part 29 and a fixing hole 38 provided above the hole 31.

Then, insert the guide bottle tube 26 with the guide pin 28 inserted into the large hole 21 of the cap 20 from above, apply the outer flange 21 to the bottom of the cap 20, and insert the spring 31 into the steady rest part 29 of the guide pin 28. The guide bottle tube 26 is locked 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.
and fix the guide plate 32 to the cap 20.

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 spring 31 are in elastic contact with the stepped portion 49 at the lower end of the steady rest part 29 and the guide plate 32, and constantly press the guide pin 28 downward.
The guide arm plate 35 can be lifted upward against the spring force.

Further, the two inner protruding shafts 34 protrude downward from the guide protruding 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 inner projecting shaft 34 is inserted into the upper part of the cylinder shaft 16. Insert the cap 20 and position it with respect to the rear hinge 3. In this state, insert the screw 39 through the hole 58 of the guide plate 32, and then
, and screw it into the tapping hole 18.

When the cap 20 is attached to the upper surface of the rear hinge 3 in this way, 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.

Further, a cap having the same shape as the cap 20 is attached to the lower surface of the rear hinge 3, and the panel 1 is prevented from coming off from the rear hinge 3 by the cap 20 and the cap on the lower surface.

The door wheel 1 is attached to this lower cap.

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 pin 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, the guide pin 54 is inserted into the guide bottle tube 53, and in this state, the guide bottle tube 53 is inserted into the large hole 21 of the cap 51, the outer flange 21 is placed on the bottom of the cap 57, and the non-circular hole of the guide plate 56 is inserted. Steady rest part 2 at 33
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 through the hole 58 of the guide plate 56, and the front 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 9 at the lower end of the guide bottle tube 53, so that the guide pin 54 is always elastically pushed upward, and the steady rest part 29 The stepped portion 49 at the lower end hits the non-circular hole 33 of the guide plate 56 to prevent the guide pin 54 from slipping out upward.

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

Further, a cap having the same shape as the cap 57 is attached to the lower surface of the front hinge 2, and the panel 1 is prevented from being removed from the front hinge 2 by the cap 57 and the cap on the lower surface.

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 made of metal such as aluminum is composed of an upper guide rail part 60 and a subordinate guide rail part 61, as shown in FIG. It extends rearward and downward from the lower part of the rear piece of the letter-shaped slave guide rail part 61 and has a substantially U-shaped cross section that opens toward the front, and the lower edge rising part 62 of the front opening
A mohair 63 for airtightness is attached to the front side.

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. The folding door body 4 can be placed on the rail 8, and the folding door body 4 can be lowered and installed again, or the door roller I can be placed on the lower rail 8 with the folding door body 4 folded first, and the guide arm plate 3 can be moved against the spring force of the spring 31.
Insert the upper guide 5 into the front opening of the upper guide rail part 60 with the upper guide 5 slightly lifted up, and when you release your hand in this state, the upper guide 5 will be moved to the upper guide rail part 60 by the spring force of the spring 31. It will come into elastic contact with the bottom.

In this way, the upper guide 5 is attached to the upper guide rail 60 as shown in FIG.

In addition, as mentioned above, the upper guide 5 is vertically movable and the spring 31
Even if the height from the lower rail 8 to the upper rail 6 differs at the site, this is absorbed and the folding door body 4 is reliably attached to the upper rail 6 and the lower rail 8. It is something that can be done.

Here, the lower edge rising portion 62 prevents the upper guide 5 from coming off from 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. By attaching the overlay 103, the screw 104 for attaching the slave guide rail part 61 is hidden, and the screw 104 is
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 wheel 8 that can be inserted into the lower rail 8 is provided.

Further, the slave guide rail portion 61 of the upper rail 6 has a slave guide 1 located on the end side in the folding direction of the slave guides 10.
A first kick-out block 12 is provided to allow the guide 10 to be moved in and out of the upper rail 6, and a second kick-out block 13 is provided to allow the remaining slave guide 10 to be moved in and out of the upper rail 6.

As shown in FIG. 14, when the folding door body 4 is fully closed, the first kick-out block 12 is located slightly in the folding direction relative to the slave guide 10 located at the end in the folding direction (indicated by arrow A in FIG. 14). Can be installed in a shifted position.

In addition, the second kicking block 13 is the main kicking block 1.
3a and a secondary extension block 13b, and when the folding door body 4 is fully closed, the main extension block 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. 13a, and a sub-extrusion block 13b is located at a position slightly shifted in the fully closing direction from the main extrusion 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. 12, and both left and right sides of the lower surface are inclined.

That is, in FIG. 12, assuming that 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 is a sloped surface 85 for climbing on, and the lower left side is a 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 81 that is inclined so as to be located on the right side toward the front. It has become.

The center of the lower surface of the block body 84, which is continuous with the hanging guide wall 87 for loading and unloading and the inclined surface 85 for raising the board, is a falling prevention inclined surface 89 that protrudes downward toward the front. The rear side is a drop-preventing hanging wall 90.

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, at the lower part of the rear inner wall of the slave guide rail portion 61 of the upper rail 6, a conical engagement groove 94 having a U-shaped cross section is provided over the entire length. At the attachment portion and the attachment portion of the main protrusion 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. 13 shows a sub-extrusion block 13b used as the second extrusion block 13.

The sub-kick-off block 13b includes an inclined long side part 98 which becomes higher toward the front along the guide inclined piece 31 extending forward of the upper rail 6, and a short side part which extends along the lower edge of the front inner wall of the sub-guide rail part 61. 99.

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 91.
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 81 for loading and unloading the block body 84 used as the main pull-out jib block 13a and the forward protruding guide wall 88 following this. The width of the gap between the forward protruding guide wall 88 and the loading/unloading side wall 100 is slightly larger than that of the secondary guide 10 made of rollers.

The rear part of the short side part 99 projects slightly below the slave guide rail part 61, and the lower edge of this projecting part 101 has an inclined surface part where the end in the folding direction is low and the end in the fully closing direction is high. The number is 102.

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

When the lead panel 1a on the intervening side is moved in the direction of the arrow A in FIG. 14A, the slave guide 10 located at the end in the folding direction (on the right side in FIG. 14) is moved to the first kickout as shown in FIG. It rides on the loading/unloading slope 86 of the block body 84 used as the block 12, is guided by the loading/unloading guide hanging wall 81, 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 81, 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.
. . . are successively projected outward, and then folded to the fully open state as shown in Fig. 14d.

On the other hand, when changing from the fully open state to the fully closed state, Fig. 14 d
The fully closing operation is performed by pulling the lead panel 1a on the fully closing direction side in the direction of the arrow in Figure 14, and when the lead panel 1a is pulled in the direction of the arrow in Fig. The secondary guide 10 is connected to the side wall 1 for loading and unloading of the inclined long side portion 98 of the secondary extrusion block 13b of the second extrusion block 13.
00, it is guided by this and pushed downward by the guide inclined piece 91 until it reaches the vicinity of the lower end opening of the slave guide rail part 61, where it is guided by the slope part 102 and is pushed downward by the guide slope part 91. 61, and here, in the slave guide rail part 61, the slave guide 10 is pushed upward by the spring force of the spring 11, so that it moves in the fully closed direction without escaping from the slave guide rail part 61. .

Similarly, the second slave guide 10 from the end in the fully closed direction.
The third slave guide 10... is guided one after another by the subsidiary kick-off block 13b and enters the slave guide ring part 61, and finally the third slave guide 10 at the end in the folding direction The guide 10 enters into the slave guide rule portion 61 along the guiding inclined piece 9γ and is completely closed.

At this time, if the slave guide 10 is not guided by the sub-extrusion block 13b and enters directly into the radial guide rail section 61 from the guiding inclined piece 97 in the folding direction than the sub-extrusion block 13b, the entire When the block body 84 is pulled in the closing direction, there is a block body 84 on the way, but in this case, the slave guide 10 can pass below the block body 84 by moving along the climbing slope 85 of the block body 84. At this time, due to the presence of the fall-prevention slope 89 and the fall-prevention hanging wall 90, the slave guide 10 will not fall off forward.

As described above, in the present invention, a guide arm plate with an upper guide attached to the lower surface of the tip is attached above the folding door body so as to be movable up and down, and this guide arm plate is biased downward by a spring. Even if the height of the upper rail differs slightly on site, this error can be absorbed by the vertical movement of the guide arm plate, and the folding door body can be attached to the upper rail without any problems. The upper guide can be attached to the upper guide rail by pulling the guide arm plate upward and separating it from the folding door body, making it easy to attach the upper guide to the upper guide rail. It is something that can be done.

[Brief explanation of the drawing]

Fig. 1 is a front view of an embodiment of the present invention in a fully closed state, Fig. 2 is a partially omitted perspective view of the same, Fig. 3 is a sectional view of the panel connected, and Fig. 4 is a rear view of the upper guide. Figure 5 is an exploded perspective view of the upper guide attached to the side hinge; Figure 5 is a sectional view showing the upper guide attached to the kite arm plate; Figure 6 is an exploded perspective view of the slave guide attached to the front hinge; Figure 1. is a perspective view of the above upper rail, Fig. 8 is a sectional view of the upper guide and slave guide attached to the above upper rail, and Fig. 9 is for preventing movement of the part where the block body is attached to the above upper rail. 10 is a cross-sectional view of the engagement projection part of the attachment part of the block body to the upper rail of the same as above, and FIG. 11 is a state of attachment of the sub-extrusion block to the upper rail of the same as above. Cross-sectional view of FIG. 12a. bm Cm de es f-gt h is a perspective view from the lower front of the same block body, a perspective view from the lower rear, a front view, a left side view, a right side view, a top view, a bottom view, and a rear view,
Figure 13 as b, cl al e+ L g is a perspective view from the rear and lower side of the sub-extrusion block same as above, a front view, a left side view, a right side view, a top view, a bottom view, and a rear view;
Figures am b and Cl d are explanatory views of the operation of changing the fully closed state to the fully open state in one embodiment of the present invention. 1 is a panel, 4 is a folding door body, 6 is an upper rail, 31
35 is a guide arm plate, and 60 is an upper guide rail portion.

Claims (1)

[Claims] 1 A folding door body is formed by folding and hingedly extending a plurality of panels, a guide arm plate is attached above the folding door body so as to be movable up and down, and the guide arm plate is biased downward by a spring. Then, an upper guide is attached to the lower surface of the tip of the guide arm plate that protrudes toward the rear side of the panel, and a front opening groove-shaped upper guide rail section is formed on the upper rail, and the upper guide is attached to the bottom surface of the upper guide rail section. A folding door device characterized in that the folding door device is configured to be able to be freely inserted into the door.