JP2512738Y2 - Folding device - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present application relates to a folding door device which is openably and closably installed at a doorway of a warehouse or an office.

[0002]

2. Description of the Related Art Conventionally, folding doors in which a plurality of panels are connected by hinges so that they can be folded in a folding screen are hung on a long upper rail attached to the upper part of a doorway of a warehouse or an office so that they can run freely. A folding door device that holds a folded state at one end of the upper rail body at the time of use, and pulls out the folding door along the upper rail body at the time of use to deploy in a wall shape is known,
The structure is a long rectangular tubular member, a suspension rail having a travel path for guiding the travel of a traveling mechanism provided at each valley fold of the folding door, and rolling provided at each mountain fold of the folding door. A guide rail having a guide path for guiding the rollers is integrally arranged in parallel at one end of the upper rail body to extend in a straight line continuously with the travel path and accommodate all traveling mechanisms in a folded state of a folding door. It has a holding portion and a storage portion for storing all the rolling rollers in the folded state of the folding door, and this storage portion is integrally formed with a holding member continuous to the guide path of the upper rail body through a curved passage. It was provided in.

[0003]

However, according to the conventional folding door device described above, the front-rear width of the holding member corresponds to substantially the width of one panel forming the folding door, and the storage section and the guide path are separated from each other. Since the continuous curved path is formed by a curve drawn with a radius larger than at least the lateral width of the panel, the holding member becomes large, and the folding roller moves in the large curved path and the folding door meanders. Since it will bend to the side, there was a defect such as impairing the smoothness of the opening and closing operation of the folding door.

[0004]

In order to solve the above-mentioned conventional defects, the present application proposes an upper rail body in which a suspension rail having a traveling path and a guide rail having a guide path are arranged side by side. The suspension rail is provided at a folding door formed by connecting a plurality of panels in a folding screen shape by a hinge, and at each side edge portion of this folding door and a connecting portion of each valley folding portion that is valley-folded on the rear surface of the folding door. A traveling mechanism that suspends so that it can travel
A guide member that is provided near each side edge of the folding door of each panel in the folding direction and is guided by a guide path of the guide rail, and is integrally provided at one end portion of the upper rail body and that has the traveling path. A holding part that continuously allows the intervention of all the traveling mechanisms, and an intervention of a guide member provided on a panel located at the end of the folding door in the developing direction,
The first folding part and the first folding part of the folding door, in which a guide part is formed which is tapered toward the entrance / exit end, and a part for guiding the horizontal movement of the guide member along the guide path is connected to the entrance / exit end. The second accommodating portion that allows the intervention of all the guide members located on the side of the section, forms a guiding portion that is tapered toward the entrance / exit end, and connects the guide path of the guide rail to the entrance / exit end. A guide member provided on the second panel from the end position of the folding door in the unfolding direction between the folding door and the holding rail each having A first notch for allowing engagement and disengagement, and a second notch for allowing engagement and disengagement with respect to the guide rail of another guide member located on the mountain folding part side that is mountain-folded on the rear surface of the folding door excluding the guide member. Each set It is characterized in the,
In the above, in order to smoothly guide the lower part of the folding door,
The upper rail body has a first passage and a second passage that respectively oppose the traveling path and the guide passage, and the first passage and the second notch portion provided on the upper rail body face each other. A lower rail body having a first cutout portion and a second cutout portion, respectively, and a guide member guided to the first passage at each side edge portion of the folding door and each connecting portion position of the valley fold portion, Further, among the pair of folding doors connected at the mountain fold portion, a guide member guided to the second passage is provided near the connecting side edge of the panel at a position opposite to the folding direction, further improving traveling. In order to do so, the guide member is composed of rolling rollers.

[0005]

When the folding door is not used, all the traveling mechanisms are gathered in the holding portion of the holding member, and
The guide member provided on the panel located at the end of the folding door in the developing direction is housed in the first housing portion, and all the guide members located on the valley folding side are housed in the second housing portion, respectively.
In this state, when the panel located at the free end of the folding door is pulled in the unfolding direction of the folding door to close the doorway of the warehouse, the first traveling mechanism from the free end side moves in the same direction along the traveling path. At the same time, the guide member provided on the second panel from the free end position comes into contact with the rear surface of the guide portion of the second storage part, whereby the first and second panels connected from the free end position in a mountain fold shape are connected. The pair of panels move along the upper rail body while opening in a V shape and increasing the opening angle, and the guide member provided on the second panel from the free end position is guided to the inlet / outlet end of the second storage portion. Then, when the guide member provided on the panel at the free end position approaches the second cutout portion, and then the opening angle of the pair of panels approaches 180 degrees, the guide member provided on the panel at the free end position moves to the second cutout portion. Is engaged in the guideway through the section, and Panel pair becomes straight. Then, a pulling force in the developing direction is applied to the third panel from the free end position which is connected to the second panel from the end position in a valley fold shape. The pair of panels are sequentially developed. Then, the last pair of panels starts moving, the pair of panels opens in a V-shape, the guide member provided on the panel at the terminal position in the developing direction is guided to the inlet / outlet end of the first storage portion, and its terminal position. When the guide member provided on the panel connected to the panel approaches the first notch, and when the opening angle of the last pair of panels approaches 180 degrees, the guide member of the panel provided at the end position serves as a guide path. While intervening in the narrow portion located in a straight line, the guide member provided in the second panel from the end position engages the guide path through the first cutout portion, and the last pair of panels becomes a straight line, In addition, the folding door moves in a state corresponding to the length of the narrow portion in the unfolded state to close the doorway of the warehouse or the like. Next, when the panel at the free end position is pressed in the folding direction of the folding door in order to open the doorway from the above-mentioned use state, the folding door moves in the same length direction of the narrow width portion of the first storage portion in the closed state. Then, the guide member provided on the second panel from the end position faces the first cutout portion. Next, the guide member provided on the panel at the end position abuts on the inclined surface of the guide portion of the first storage part, and this acts as a horizontal moving load of the folding door, and the panel at the end position and the end position connected to the panel. The second panel bends in a V shape at the hinge position, the guide member provided on the second panel from the end position escapes from the first cutout portion, and the traveling mechanism further folds the folding door in the traveling path. The moving angle of the pair of panels fastened in a mountain fold shape is reduced by moving to the second position, and the guide member provided on the third panel from the end position is guided from the guide path into the second storage portion. Since the guide member abuts on the inclined front surface of the guide portion of the second storage portion, the third panel and the fourth panel from the end position, which are connected in a mountain fold shape by the moving load due to the abutment, are hinged. At the position of V And the guide member provided on the fourth panel escapes from the guide path through the second notch, and the same operation as described above is performed between the pair of panels connected in a mountain fold shape. This is sequentially repeated, and as a result, the folding door is folded into a folding screen at the position of the holding member.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present application will be described in detail below with reference to the drawings. In FIG. 1, an upper rail body 1 is fixed to a beam above an entrance of a warehouse or a high place such as a ceiling A, and a traveling mechanism 2 is interposed therebetween. As shown in FIGS. 2 and 5, the upper rail body 1 is a rear view of the whole of the use state in which the folding door 3 is suspended so that it can be opened and closed. A suspension rail 4 having a suspension groove 4 extending in the direction and opening, and a pair of concave travel paths 5 extending parallel to the front and rear thereof, and a suspension rail 6 positioned on the rear surface of the suspension rail 6 and extending in the longitudinal direction. In addition, a guide rail 8 having a guide path 7 whose bottom surface is recessed is integrally provided in parallel. The folding door 3 is composed of a plurality of panels 10a to 10h whose side edges are vertically connected to each other by a hinge 9 in a folding screen shape. It is suspended on the rail body 1 so that it can be opened and closed.

As is apparent from FIG. 4, the traveling mechanism 2 has upper shaft rods 9'provided on both side edges of the folding door 3 and valley fold portions (hereinafter the same) which are valley-folded on the rear surface of the folding door 3. The rear end corners of the rectangular mounting piece 12 are horizontally rotatably pivoted to the central shafts 11 of the respective upper hinges 9 in the above, and the suspension groove is formed on the upper surface of the front end of the mounting piece 12. 4 is provided with a bearing 14 which faces the inside of the suspension rail 6 and which vertically rotatably supports two sets of wheels 13 traveling on the traveling path 5 at left and right positions on the front and rear surfaces, respectively. At the upper edge of each panel 10a to 10h constituting the folding door 3, as is apparent from FIG. 3, a rolling roller 15a rolling in the guide path 7 of the guide rail 8 toward the side edge in the folding direction of the folding door 3. -15h are projected.

In addition, at one end of the upper rail body 1,
A holding member 1 having a wide front and rear width for holding the folded state of the folding door 3.
6 is integrally provided. As is apparent from FIG. 5, the holding member 16 has a holding portion 17 which extends continuously in a straight line on the lower surface integrally with the suspension rail 6 and a rolling member provided on the panel 10a located at the end of the folding door 3 in the developing direction. A first accommodating portion 18 that is recessed on the lower surface that exclusively guides the movement of the moving roller 15a;
The second storage portion 19 for guiding the entrance and exit of all the rolling rollers 15c, 15e, 15g located on the valley fold side when the folding door 3 is folded is integrally provided, and the first storage portion 18 is When the folding door 3 is folded, the rolling roller 15a provided on the panel 10a at the end position is sufficiently allowed to move back and forth, and the rolling roller 15a is provided on the front and rear surfaces.
A wide portion 21 having a tapered guiding portion 20 whose front surface is preferably inclined at about 10 degrees toward the entrance / exit end, and the rolling door 3 extending from the entrance / exit end in a straight line with the guide path 7 when the folding door 3 is deployed. The narrow portion 2 for guiding the horizontal movement of the roller 15a
2 and the second storage portion 19 allows the front and rear movements of all the rolling rollers 15c, 15e and 15g located on the side of the valley fold portion when the folding door 3 is folded. The rolling rollers 15c, 15e, 15 on the surface.
The guide path 7 of the guide rail 8 is connected to the entrance / exit end of the wide portion 24 having the guide portion 23 whose front surface is inclined at about 10 degrees toward the entrance / exit end where the g enters and exits. Furthermore, on the rear surface of the guide rail 8, from the end position where the panel 10a at the end position of the folding door 3 is connected by a mountain fold portion which is mountain-folded on the rear surface of the folding door 3,
Other than the first cutout portion 25 provided on the second panel 10b for allowing the rolling roller 15b to move in and out of the guide path 7, and the rolling roller 15b positioned on the mountain folding portion side when the folding door 3 is folded. A second notch 26 is provided to allow the rolling rollers 15d, 15f, 15h to move in and out of the guide path 7. Reference numeral 27 denotes a lower rail body that supports the lower portion of the folding door 3, and the lower rail body 27 extends in the longitudinal direction on the upper surface of a long rectangular tubular member and holds the hanging groove 4 and the holding groove of the upper rail body 1. A first passage 28 that extends in a straight line facing the portion 17 and a second passage 29 that extends in the longitudinal direction and that extends in the longitudinal direction and that faces the upper guide passage 7 are integrally provided. A first cutout portion 30 and a second cutout portion 31 are formed on the rear surface of the lower rail body 27 so as to face the first cutout portion 25 and the second cutout portion 26 of the upper rail body 1, respectively. The lower rail body 27 is auxiliary installed, for example, on the floor B below the entrance of a warehouse or the like.

Further, triangular shaped mounting pieces 32 are provided at both side edges of the folding door 3 and at the lower ends of the valley folds, like the upper ends thereof. That is, the rear end corners of the triangular mounting piece 32 are horizontally rotated by the lower shaft rods 9'provided on both side edges of the folding door 3 and the central axes of the lower hinges 9 in the respective valley folds. A pivoting roller 33 that pivots as much as possible and rolls in the first passage 28 of the lower rail body 27 at the left and right positions of its front portion.
Is installed vertically. Furthermore, when the folding door 3 is folded, all the rolling rollers 15b, 15 located on the mountain folding side.
Each panel 10b, 10d provided with d, 15f, 15h,
At the lower edges of 10f and 10h, the rolling rollers 15b and 1
Rolling rollers 34b that roll in the second passage 29 of the lower rail body 27 so as to face 5d, 15f, and 15h, respectively.
34d, 34f and 34h are vertically provided. 3
Reference numeral 5 is a frame member forming an entrance of a warehouse or the like, and C is a side wall.

However, in the unused state of the folding door 3 where the doorway of a warehouse or the like is opened, all the traveling mechanisms 2 are in the holding portion 17 of the holding member 16 and all the rotating rollers as shown in FIG. 33 are respectively collected at the end positions of the first passage 28 of the lower rail body 27 facing the holding portion 17, and the rolling rollers 15a provided on the panel 10a at the end position.
Is stored in the first storage section 18, and all the rolling rollers 15c, 15e, 15g located on the valley folding side are stored in the second storage section 19, and the panels 10a to 10h are folded into a folding screen. It is folded. When attempting to close the doorway of a warehouse or the like from this state, pull the panel 10h at the free end position of the folding door 3 in the direction of the arrow, and the first traveling mechanism 2 from the right in the figure and the rotating roller 33 cause the suspension rail 6 and the first passage 2
8, the rolling roller 15g provided on the second panel 10g from the right located on the valley fold side comes into contact with the rear surface of the guide portion 23 of the second storage portion 19 as shown in FIG. A pair of panels 10g and 10h connected in a mountain fold shape open in a V-shape as shown by a virtual line 6 and then, as shown in FIG. 7, the traveling mechanism 2 and the rotating roller while increasing the opening angle. 33 is an upper rail body 1 and a terminal rail body 2
Move along arrow 7 Next, the rolling roller 15g provided on the second panel 10g from the right in the figure is guided to the entrance / exit end of the second storage section 19, and the second traveling mechanism 2 and the rotating roller 33 from the right in the figure are suspended. It moves in the arrow direction along the rail 6 and the first passage 28. On the other hand, as the opening angle of the pair of panels 10g and 10h increases, the rolling roller 15h and rolling roller 34h provided on the first panel from the right in the figure approach the second notches 26 and 31, respectively, and then the pair When the opening angle of the panels 10g and 10h approaches 180 degrees, the rolling roller 15g comes out of the second storage portion 19 into the guide path 7, and the rolling roller provided on the first panel 10h from the right in the figure. 15h and the rolling roller 34h are engaged in the guide passage 7 and the second passage 29 via the second cutouts 26 and 31, respectively, and the pair of panels 10g and 10h are in a straight line. Then, since the second traveling mechanism 2 from the right in the figure is pulled in the direction of the arrow,
After that, the same operation as described above has the same effect as the pair of panels 10f and 10e and the pair of panels 10d and 10 connected in a mountain fold shape.
c and the pair of panels 10b and 10a are sequentially repeated, and thus the last pair of panels 10b, 1
0a opens in a V-shape as shown by 8, and then the rolling roller 15a provided on the panel 10a at the end position becomes the first accommodating portion 1 as the opening angle increases as shown in FIG.
The second panel from the left 1
0b, the rolling roller 15b and the rolling roller 34b approach the first notches 25 and 30, respectively, and when the opening angle of the pair of panels 10a and 10b approaches 180 degrees, as shown in FIG. The rolling roller 15a provided on the panel 10a at the end position intervenes in the narrow width portion 22 which is aligned with the guide path 7, and the rolling roller 15b is also provided.
And the rolling roller 34b engage with the guide passage 7 and the second passage 29 through the first cutouts 25 and 30, respectively, to form a straight line, and then the length of the narrow portion 22 of the first storage portion 18 is increased. Corresponding to the above, the folding door 3 is moved in the direction of the arrow and the folding door 3 is unfolded as shown in FIG.

When the door is opened from the use state shown in FIG. 1 in which the doorway of the warehouse or the like is closed by the folding door 3, the panel 10h at the free end position is pressed in the direction opposite to the arrow. Then, the folding door 3 moves from the closed state shown in FIG. 10 in the same direction as the length of the narrow portion 22 of the first storage portion 18, and the rolling rollers 15b and 34b provided on the second panel 10b from the left in the figure are moved. Rolling rollers 15a provided on the panel 10a at the end position, which face the first notches 25 and 30, respectively, come into contact with the inclined surface of the guide portion 20 of the first storage portion 18, and move in the horizontal direction. It becomes a load, and the panel 10a at the end position and 2 from the left in the figure connected to this are connected.
The second panel 10b bends in a V shape at the position of the hinge 9, and the rolling rollers 15b and 34b provided on the second panel 10b from the left escape from the first cutouts 25 and 30, respectively, and in FIG. It becomes the state shown. Further, the traveling mechanism 2 and the rotating roller 33 move in the traveling path 5 and the first passage 28 in the directions opposite to the arrows, respectively, and as shown in FIG. 8, a pair of the panel 10a and the panel 10b are connected in a mountain fold shape. As the opening angle between and becomes smaller, the rolling roller 15c provided on the third panel 10c from the left is guided from the guide path 7 into the second storage portion 19 this time, and the rolling roller 15c is stored in the second storage portion 19c. Since it abuts on the inclined surface of the guide portion 23 of the portion 19, the panel 10 connected in a mountain fold shape by the moving load due to this abutment.
c and the panel 10d are bent in a V shape at the position of the hinge 9, and as shown in FIG. 8, the rolling roller 15d and the rolling roller 34d provided on the fourth panel 10d from the left have the second cutout 2
Escape from the guideway 7 and the second passage 29 via 6 and 31, respectively. This action is performed by a pair of panels 10e and 10f and a pair of panels 10g and 10h connected in a mountain fold shape.
The same is done between and, and as a result, the folding door 3 is shown in FIG.
6 is folded into a folding screen at the position of the holding portion 17 as shown in FIG. In the above-described embodiments, the case where the guide member having the roller is provided in the panel has been described, but it goes without saying that a shaft rod-shaped guide member having no roller may be provided, for example.

[0012]

As described above, according to the present invention, the guide member guided by the guide rail of the upper rail body is provided near the folding side of the panel forming the folding door, and is provided on the valley folding side of the guide member. Since the holding member is provided with the accommodating portion that allows the intervention of the positioned guide member, the front and rear widths and the lateral widths of the holding member can be greatly reduced to be compact, and the first and second accommodating portions can be respectively configured. Since it has a guide portion that is tapered toward the entrance / exit end, the folding door can be smoothly expanded and folded, and a guide member is provided near the connecting portion of each panel. Since it engages with the guide rails in a rotating state, it has advantages that rattling can be prevented in the deployed state of the folding door and that the strength in the plane direction can be sufficiently maintained.

[Brief description of drawings]

FIG. 1 is a rear view of the entire body in a partially cut-away use state.

FIG. 2 is an enlarged vertical side view with a part omitted.

FIG. 3 is an enlarged rear view with a part of the folding door shown in an unfolded state.

FIG. 4 is an enlarged plan view showing a traveling mechanism with a part cut away.

FIG. 5 is an enlarged perspective view showing the lower surface of the upper rail body and the holding member with the middle omitted.

FIG. 6 is a cross-sectional plan view showing a folded state of a folding door.

FIG. 7 is a cross-sectional plan view showing a process of developing the folding door.

FIG. 8 is a cross-sectional plan view showing a process of developing the folding door.

FIG. 9 is a cross-sectional plan view showing a process of developing the folding door.

FIG. 10 is a cross-sectional plan view showing a developed state of the folding door.

[Explanation of symbols]

 1 Upper Rail Body 2 Traveling Mechanism 3 Folding Door 5 Traveling Path 6 Hanging Rail 7 Guide Path 8 Guide Rail 9 Hinge 10a to 10h Panel 15a to 15h Rolling Roller 16 Holding Member 17 Holding Section 18 First Storage Section 19 Second Storage Section 20, 23 Guide part 25, 30 1st notch part 26, 31 2nd notch part 27 Lower rail body 28 1st passage 29 2nd passage 33, 34b, 34d, 34f, 34h Rolling roller

Claims (3)

(57) [Scope of utility model registration request] 1. An upper rail body formed by arranging a suspension rail having a traveling path and a guide rail having a guide path in parallel, and a folding door formed by connecting a plurality of panels with a hinge in a folding screen shape. A traveling mechanism, which is respectively provided at both side edges of the folding door and a connecting portion of each valley folding portion that is valley-folded on the rear surface of the folding door, is hung so that it can travel on the suspension rail, and the folding direction of the folding door of each panel. A guide member that is provided near each of the side edges and is guided by a guide path of the guide rail, and is integrally provided at one end of the upper rail body, and is continuous with the travel path. Of the guide member provided on the panel located at the end in the deploying direction of the folding door, and the guide portion that is tapered toward the entrance / exit end is formed. Along the guideway A guide that allows the intervention of all the guide members located on the side of the valley folds of the first storage part and the folding door, which are provided with a part that guides the horizontal movement of the guide member, and that is tapered toward the entrance / exit end. And a holding member each having a second storage portion in which a guide path of the guide rail is continuously provided at an entrance / exit end thereof, and a folding door moves between a deployed state and a folded state. A first cutout for permitting engagement and disengagement of the guide member provided on the second panel from the end position in the deploying direction of the folding door, and a mountain fold that is mountain-folded on the rear surface of the folding door excluding the guide member described above. A folding door device, wherein a second cutout portion that allows engagement and disengagement of another guide member located on the side of the guide rail is provided. 2. A first cutout portion and a second cutout portion provided in the upper rail body, each of which has a first passage and a second passage that face the traveling path and the guide passage of the upper rail body, respectively. A lower rail body having a first cutout portion and a second cutout portion facing each other, and being guided to the first passage at both side edge portions of the folding door and each connecting portion position of the valley fold portion. Of the pair of folding doors connected by the mountain folding part
2. The folding door device according to claim 1, wherein a guide member guided to the second passage is provided near the connecting side edge of the panel at a position opposite to the folding direction. 3. The folding door apparatus according to claim 1, wherein the guide member is a rolling roller.