JPS5829738Y2 - 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 and a panel 1 for folding the panel 1 so that the front side of the panel 1 protrudes.
Rear side hinge 3 for folding so that the rear side protrudes
A plurality of panels 1 are alternately hinged to form a folding door body 4, and a follower guide 10 is provided above the front hinge 2 so as to be movable up and down, and an upper guide 5 is provided above the rear hinge 3. A downwardly opening slave guide rail 61 is provided at the upper part of the upper rail 6, and a front opening upper guide rail part 60 is formed at the lower part of the upper rail 6 at a rear lower position of the slave guide rail part 61. The upper guide 5 is put into the upper guide rail part 60 so as to be freely movable, the slave guide 10 is put into the slave guide rail part 61 so that it can be freely moved in and out, and the slave guide 10 is put into the slave guide rail part 61 so that the upper rail 6 can be moved freely. This relates to a folding door device in which a kick-out block 45 for freely moving the door in and out of the door is attached to the upper rail 6 at a position above the upper guide rail portion 60.

The purpose of the present invention is to allow the upper guide to travel without the kicker block becoming an obstacle even though the kicker block that guides the slave guide out from the upper rail is installed inside the upper rail, and to prevent folding. To provide a folding door device capable of smoothly folding and extending a door body.

The present invention will be explained in detail below using 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 of extruded aluminum bottoms, and are long members with a substantially semicircular cross section, and the length thereof is equal to the top and bottom height of the panel 1. It is something.

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 a tapping hole 18 on the outer side of the bearing groove 17 along the entire upper and lower sides. It is provided throughout.

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

However, 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. be.

Here, the front hinge 2 and the rear hinge 3 are prevented from being folded so that the front side of the panel 1 protrudes due to the presence of stopper pieces 15 provided point-symmetrically on both left and right sides of the panel 1. 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 the rear hinge 3, and has a large hole 21 and two small holes at the bottom. L22 and a guide shaft insertion hole 23 are bored, and a locking step 24 is provided on the opposing inner wall, and the locking step 24 projects downward from the upper edge of the cap 20. This serves as a guide surface 25.

Reference numeral 26 in FIG. 4 is a guide bottle tube, and an outer flange 27 is provided at the upper end closed 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 2 with chamfered sides.
9, and a fixing protrusion 30 is protruded from the upper part of the steady rest part 29.

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.

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.

The upper guide 5 is horizontally rotated and is rotatably mounted by guide roller pins 36.

The guide arm 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 above the hole 37.

Then, the guide bottle tube 26 with the guide pin 28 inserted into the large hole 21 of the cap 20 is inserted from above, the outer flange 27 is placed on 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 49 at the lower end of the steady rest portion 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 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 58 of 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 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.

A door wheel 7 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 force guide pin 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. There is.

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. Things are used and can be shared with each other.

Then, put the spring 11 into the guide bottle tube 53, and then put the guide pin 54 into the guide bottle tube 53, and in this state, put the guide bottle tube 53 into the cap 57.
The outer flange 27 is inserted into the large hole 21 of the cap 57, and the steady rest part 29 is inserted into the non-circular hole 33 of the guide plate 56, and the guide plate 56 is inserted into the cap 57.
The guide bottle tube 53 is inserted between the opposing arcuate supports 19 at the upper part of the front hinge 2, and the guide bottle tube 53 is inserted between the opposing arcuate supports 19 at the upper part of the front hinge 2. With the shaft 34 inserted into the upper part of the cylindrical 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 tapping hole 1 of the front hinge 2 is inserted.
It is screwed onto the upper part of 8.

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 20 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 20 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 is made of metal such as aluminum, and is composed of an upper guide rail section 60 and a subordinate guide rail section 61 as shown in FIG. It extends rearward and downward from the lower part of the rear piece of the inverted U-shaped slave guide rail part 61 and has a substantially U-shaped cross section that opens toward the front. Mohair 63 for airtightness is attached.

To attach 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 as shown in FIG. Lift the door roller 7 and place it on the lower rail 8, then lower the folding door body 4 again and install it, or first put the door roller 7 on the lower rail 8 with the folding door body 4 folded, and then use the spring force of the coil spring 31. Insert the upper guide 5 into the front opening of the upper guide rail part 60 with the guide arm plate 35 slightly lifted against the resistance, and when you release your hand in this state, the upper guide 5 will be raised by the spring force of the coil spring 31. It comes into elastic contact with the lower bottom of the guide rail section 60.

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 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. Furthermore, by attaching this overlay 103, the screw 104 for attaching the slave guide rail portion 61 is hidden, and the screw 104 is
is not visible from inside the room.

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

Furthermore, a kick-out block 45 is installed in the slave guide rail 61 of the upper rail 6 to allow the slave guide 10 to pop out from inside the upper rail 6.
Reference numeral 5 denotes a first kick-out block 12 for allowing the subordinate guide 10 located on the end side in the folding direction of the subordinate guides 10 to be freely inserted and removed from the upper rail 6, and the remaining subordinate guides 1.
It consists of a main kick-out block 13a and a sub-kick-out block 13b for making it possible to freely put in and take out the 0 from 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.

Further, 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, and the main kicking block 13a is slightly shifted from the end in the fully opening direction. The sub-kick-off block 13b is located at a position shifted in the direction.

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 84 is a loading/unloading guide hanging wall 87 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 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 movement-preventing protrusion 91 is protruded from the rear of the fall-prevention slope 89, and retaining protrusions 92 are protruded from both left and right sides of the upper part of the movement-preventing 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 of the main push-out block 13a and the attachment portion of the main pull-out block 13a, the lower bottom piece 95 of the U-shaped engagement groove 34 is 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 kick-out block 12 and the main kick-out block 13a, the block body 84 is fitted into the slave guide loop portion 61 and shaped like a U-shape as shown in FIG. Lower bottom piece 95 of shaped engagement groove 94
The anti-movement protrusion 91 is fitted into the notch 96, 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, as shown in FIG. .

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.

The engagement protrusion 92 has a triangular cross section, and is fitted into the U-shaped engagement groove 94 by pressing the block body 84 upward.

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-kick-off block 13b.

The sub-kick-off block 13b has an inclined long side part 98 which becomes higher toward the front along the guide inclined piece 97 extending from the sub-guide rail part 6, and a short side 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 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 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.

Now, if the left lead panel 1a is moved in the directions of arrows a and a in Fig. 14, the folding direction (
Follower guide 10 located at the end (right side in Fig. 14)
rides on the loading/unloading inclined surface 86 of the block body 84 used as the first kicking block 12, 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 the arrow A in FIG. Guided by the loading/unloading guide hanging wall 87, it 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 toward the side, and is folded into a 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 side in the direction of the arrow, and when the lead panel 1a is pulled in the direction of the arrow in Figure 14, the slave on the end side on the fully closing side The guide 10 is connected to the inclined long side portion 9 of the sub-kick-out block 13b.
8 and is guided by the side wall 100 for loading and unloading, and is pushed downward by the guiding inclined piece 97 until reaching the vicinity of the lower end opening of the slave guide rail section 61, where the inclined surface section 1
02 and enters the slave guide rail part 61. Here, the slave guide 10 is pushed upward by the spring force of the spring 11 in the slave guide side rail part 61, so it escapes from the guide rail part 61. It moves in the fully closed direction without turning.

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 is inserted into the slave guide rule portion 61 along the guiding inclined piece 97 and is completely closed.

At this time, if the follower guide 10 is not guided by the sub-kick-off block 13b and enters into the linear follow-guide guide-rule portion 61 from the guiding inclined piece 97 in the folding direction beyond the sub-kick-off block 13b, the entire When pulled in the closing direction, the block body 84 is present in the middle, 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, the present invention provides a downwardly opening slave guide rail section at the top of the upper rail, and forms a front opening upper guide rail section at the lower rear position of the slave guide rail section at the bottom of the upper rail. Then, the upper guide can be moved freely into the upper guide rail section, and the upper guide can be moved in and out from the slave guide rail section to the front of the upper rail using the kick-out block above the upper guide rail section. Even though the folding door body was folded and extended by inserting and removing the slave guide with a kick-out block, the upper guide formed on the upper rail at the lower rear position of the slave guide rail part The upper guide running on the rail section is not likely to be obstructed in its running by the upper kicking block, and the folding door body can be extended and folded smoothly without any hindrance.

[Brief explanation of drawings]

Fig. 1 is a front view of the present invention-embodiment in a fully closed state, Fig. 2 is a partially omitted perspective view of the same as above, Fig. 3 is a sectional view of the panel connected, and Fig. 4 is a rear view of the upper guide. Fig. 5 is an exploded perspective view of the slave guide attached to the front hinge, Fig. 6 is a perspective view of the upper rail shown above, and Fig. 7 is an exploded perspective view of the slave guide attached to the front hinge. Figure 8 is a cross-sectional view of the upper guide and slave guide attached to the upper rail, Figure 9 is a cross-sectional view of the upper guide attached to the upper rail, and Figure 9 is for preventing movement of the block body attached to the upper rail. A cross-sectional view of the protruding part,
Fig. 10 is a cross-sectional view of the securing protrusion part of the attachment part of the block body to the upper rail of the same as above, Fig. 11 is a cross-sectional view of the attachment state of the sub-kick-out block to the upper rail of the same as above, and Fig. 12 a, b, c, d, e, f, g. h is a perspective view from the lower front of the same block body as above, a perspective view from the rear lower side, a front view, a left side view, a right side view, a top view, a bottom view, and a rear view, Fig. 13 a, l), c ,d,e. f9g is a perspective view, front view, left side view, right side view, top view, bottom view, and rear view of the sub-kick-off block as shown above, and Figure 14 a, l), c, and d are the invention of the present invention. - It is an explanatory view of the effect of changing from the fully closed state to the fully open state in the embodiment. 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, 10 is a follower guide, 45 is an extrusion block, and 60 is an upper guide rail section. , 61 are vertical guide rail parts.

Claims (1)

[Scope of utility model registration request] A folding door body is formed by alternately hinged multiple 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. A follower guide is provided above the side hinge so as to be movable up and down, an upper guide is provided above the rear side hinge, a follower guide rail section with a downward opening is provided at the top of the upper rail, and the follower guide rail section is located at the lower rear position. Form an upper guide rail section with a front opening at the bottom of the upper rail, insert the upper guide into the upper guide rail section so that it can run freely, insert the slave guide into the slave guide rail section so that it can freely move in and out, and insert the slave guide into the upper guide rail section. A folding door device comprising a kicking block attached to the upper rail at a position above the upper guide rail to allow the user to freely insert and remove the upper rail from the inside of the slave guide rail.