JPH0726855A - Rising and falling door - Google Patents

Abstract

PURPOSE:To simply assemble a foldable door body in a construction site. CONSTITUTION:In the case when door panels 1 neighboring up and down with each other are connected to each other to assemble a foldable door body A in a construction site, upper hinge hardwares 37 are mounted to the lower ends of the door panels 1 and, at the same time, lower hinge hardwares 39 are mounted to the upper ends of the door panels 1. In the case the door panels 1 placed downward are connected to the door panels 1 placed upward, hook sections of the lower hinge hardwares 39 are hooked to hinge barrels 38 of the upper hinge hardwares 37 to connect the door panels 1 placed downward to the door panels 1 placed upward. After that, holding hardwares are mounted to the upper ends of the door panels 1 placed downward to assemble so that the connection between the up and down door panels 1 is not separated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator door used for a garage entrance, a gate and the like.

[0002]

2. Description of the Related Art Conventionally, a folding door body A'of this type of lifting door is constructed as shown in FIG. A plurality of door panels 1 ′ are arranged in parallel in the vertical direction, and upper and lower adjacent door panels 1 ′ are rotatably connected by a hinge 2 ′ to form a foldable door body A ′ which can be folded up and down. Has been formed. A pivot shaft 8'is attached to the upper part of the uppermost door panel 1 ', and a bearing fitting 35 is rotatably attached to the pivot shaft 8'. It is attached to the top. This folding door body A'is attached and constructed as follows. A bearing fitting 35 is attached to the upper part of the uppermost door panel 1'in advance, and a piece of a hinge 2'is attached to the lower end of the door panel 1 '. And this top door panel 1 '
The bearing metal fitting 35 is brought into contact with the support pillar while being lifted up and held at a constant height, and the bearing metal fitting 35 is attached to the support pillar with a screw 36. A piece of hinge 2'is attached to the lower end of the door panel 1'other than the lowermost part. Then, the second and subsequent door panels 1'from the top are manually lifted and held at a predetermined position, and the other piece of the hinge 2'is fixed to the upper end of the door panel 1'by a screw 36 to connect the door panels 1 '. It is attached.

[0003]

However, in such a conventional example, the door panel 1'is lifted and held for attaching the door panel 1'to a column or connecting the door panels 1 '. There was a problem in that it was difficult to assemble the folding door body A'on site, because the screws 36 had to be attached.

The present invention has been made in view of the above problems, and an object of the present invention is to provide an elevator door which can easily assemble a folding door body on site.

[0005]

In order to achieve the above object, in the elevator door of the present invention, a plurality of door panels 1 are arranged in parallel in the vertical direction, and the upper and lower ends of the vertically adjacent door panels 1 are rotatable. The foldable door body A which can be folded up and down by being connected to each other is formed, and the foldable door body A is arranged between the columns 4 standing upright and leftward, and the upper end of the door panel 1 located at the top of the foldable door body A. Is rotatably connected to the upper part of the column 4 by a horizontal shaft, and the lower door panel 1 of the folding door body A is connected to an elevating means for vertically elevating the lower end of the door. Upper hinge metal fitting 3 attached to the lower end of 1
7, a hinge shaft 38 is provided, a hook portion 40 is provided on a lower hinge metal fitting 39 attached to the upper end of the door panel 1 located below, and the hook portion 40 is hooked on the hinge shaft 38, and the door panel 1 located below Metal fitting 41 attached to the upper end of
It is characterized in that the hook portion 40 is pressed so as not to come off from the hinge shaft 38.

Further, a plurality of door panels 1 are arranged in parallel vertically, and upper and lower adjacent door panels 1 are rotatably connected to each other to form a foldable door body A which is vertically foldable. The folding door body A is arranged between the columns 4 standing upright, and the upper end of the door panel 1 located at the top of the folding door body A is rotatably connected to the upper portion of the column 4 by a horizontal shaft. In a lift door connected to a lifting means for lifting and lowering the lower end of the lowermost door panel 1 of the folding door body A, a pivot shaft 8 is projected laterally from the upper side end of the uppermost door panel 1. A receiving groove 43 is provided in the receiving metal fitting 42 attached to the inner surface of the upper part of the support column 4 and the receiving groove 43 of the pivot shaft 8
It is characterized in that the pivot shaft 8 is rotatably supported by the pivot support portion 45 at the back of the groove 43 by being inserted into the.

[0007]

According to the above structure, the door panels 1 vertically adjacent to each other
When assembling the folding door body A by connecting the above, the upper hinge fitting 37 is attached to the lower end of the door panel 1 and the lower hinge fitting 39 is attached to the upper end of the door panel 1, so that the door panel 1 located above When connecting the door panel 1 located below, to the hinge shaft 3 of the upper hinge fitting 37.
8 hooks the hook portion 40 of the lower hinge fitting 39 to connect the door panel 1 located below to the door panel 1 located above, and then attach the holding fitting 41 to the upper end of the door panel 1 located below to move up and down. Assemble the door panel 1 so that it will not be disconnected. Accordingly, when the upper and lower door panels 1 are connected, it is not necessary to perform the mounting work while holding the door panels 1 at predetermined positions, and the door panels 1 can be easily connected.

When the uppermost door panel 1 is rotatably attached to the support column 4, the door panel 1 is lifted and the pivot shaft 8 is inserted into the receiving groove 43 of the metal fitting 42 so that the pivot shaft 8 is supported. It can be rotatably attached to the pivotal support portion 45 at the back of the receiving groove 43.

[0009]

[Example] As shown in FIG.
And a horizontal frame 5 is installed between the upper ends of the left and right columns 4. An opening surrounded by the pair of columns 4 and the horizontal frame 5 is openable and closable by a folding door body A that is vertically foldable. The folding door body A is formed by connecting a plurality of laterally long door panels 1 with a hinge 2 so as to be vertically foldable. In the case of this embodiment, the door panel 1 is formed by four door panels 1a, 1b, 1c and 1d.
Each hinge 2 between the four door panels 1a, 1b, 1c, 1d
Has a structure that reverses in order. That is, the upper hinge 2a and the lower hinge 2c can be bent in the same direction, and the intermediate hinge 2b can be bent in the opposite direction to the hinges 2a and 2c.

A pivot shaft 8 is mounted so as to project laterally from the left and right of the upper end of the uppermost door panel 1a of the folding door body A arranged between the left and right columns 4. A mounting plate 9 and a rail member 10 are mounted on the inner surfaces of the left and right columns 4, and an auxiliary plate 11 is mounted on the upper part of the mounting plate 9 so that the mounting plate 9 and the lower end of the rail member 10 can be reached. A guide rail 12 is provided. A receiving metal fitting 42 is provided on the auxiliary plate 11 on the inner side surface of the column 4, and an inverted L-shaped receiving groove 43 is provided in the receiving metal fitting 42.
The inner part of 3 is the pivot 45. Top door panel 1a
The pivot shaft 8 at the upper end of is rotatably attached to the pivot portion 43 of the receiving groove 43 of the receiving member 42.

The folding door A is transported to the site with a plurality of door panels 1 disassembled and assembled at the site. Therefore, the uppermost door panel 1a is first rotatably attached to the column 4. As shown in FIG. 2 (a), the uppermost door panel 1 a is lifted, the opening of the receiving groove 43 of the support shaft 8 of the pivot shaft 8 is made to correspond, and then the pivot shaft 8 is inserted into the receiving groove 43. The pivot shaft 8 is positioned on the pivot portion 45 as shown in FIG. In this state, a set screw 47 is screwed into the female screw hole 46 of the receiving fitting 42 as shown in FIG. 2C, and the pivot shaft 8 is attached to the pivot support portion 4 by the set screw 47.
Stop so that it does not come off 5.

After mounting the uppermost door panel 1a, the second and third door panels 1b,
1c are sequentially connected by a hinge 2. As shown in FIG. 3, the hinge 2 includes a pair of upper hinge fittings 37 and lower hinge fittings 39.
It is formed by the hinge shaft 38 and the pair of pressing fittings 41. The upper hinge fitting 37 has a mounting hole 50 and a cylindrical bearing portion 51, and the hinge shaft 38 is inserted into and coupled to the bearing portion 5 of the pair of upper hinge fittings 37. The lower hinge fitting 39 has a mounting hole 50 and a C-shaped hook portion 40. The holding metal fitting 41 has a mounting hole 50 and a C-shaped holding portion 52. After the uppermost door panel 1 is rotatably attached to the column 4, an upper hinge metal fitting 37 is provided with screws 53 at the lower end of the uppermost door panel 1a as shown in FIG. 4 (a).
And the lower hinge fitting 39 is attached to the upper end of the second door panel 1b with screws 53. At this time, one side of the upper hinge metal fitting 37 and the lower hinge metal fitting 39 is locked in the locking groove 54 of the door panel 1 and securely attached to a predetermined position. Next, as shown in FIG. 4 (b), the hook portion 4 of the lower hinge fitting 37 of the upper end of the door panel 1b located below.
0 is hooked on the hinge shaft 38 of the upper hinge fitting 37 of the door panel 1a located above. As a result, the second door panel 1b is suspended and held, the pressing metal fitting 41 is attached to the upper end of the door panel 1b with the screw 53 as shown in FIG. 4C, and the pressing portion 52 is opposite to the hook portion 40. Then, the bearing portion 5 is brought into contact with the bearing portion 5 and assembled so that the connection is not broken as shown in FIG. In this way, the uppermost door panel 1a and the second door panel 1b are connected, but the second door panel 2b and the third door panel 1c are also connected in the same manner as above. In this case, the upper hinge metal fitting 37, the lower hinge metal fitting 39, and the pressing metal fitting 41 are attached so that the hinge shaft 38 is located on the opposite side.

Roller fittings 13 are arranged on the left and right of each hinge 2a, 2b, 2c and on the left and right lower ends of the lowermost door panel 1d, and each roller fitting 13 is attached to each of the door panels 1a, 1b, 1c, 1d. It is attached to each. A roller shaft 14 is attached to each of the roller mounting members 13, and a guide roller 15 is rotatably attached to the tip of the roller shaft 14. The guide roller 15 is a guide roller 15a, 15b, 15c, 15d in order from the top, and is inserted into the guide rail 12 so as to be freely movable.

The upper end of the guide rail 12 is bent in a hook shape, and a roller accommodating portion 12a is provided at the upper end of the hook-shaped bent portion. A roller shaft 16 is mounted on the mounting plate 9 below the roller receiving portion 12a, and a kick roller 17 is rotatably mounted on the tip of the roller shaft 16. The kick roller 17 is provided at a position where it can hit the side edge of the door panel 1. Hinge 2b
A lock pin 18 is attached to the roller mounting member 13 provided in the vicinity of the so as to project laterally.
There is provided a lock groove 29 into which the lock pin 18 is fitted. Further, the guide rail 12 is provided with a breaking opening 19, and a breaking guide 20 is provided below the breaking opening 19.

A rotary shaft 21 is horizontally installed in the horizontal frame 6, and one end of the rotary shaft 21 is supported by a bearing 22.
A motor 23 is arranged on the other end side of the rotary shaft 21, and the motor 23 is connected to the other end side of the rotary shaft 21 via a speed reducer 24.
1 can be rotationally driven. A torsion coil spring 30 is mounted on the rotary shaft 21 to reduce the force when the folding door A is moved up and down. Sprockets 25 are mounted near both ends of the rotary shaft 21, respectively, and a pulley mounting bracket 26 is mounted on the inner surface of the lower portion of the support column 4. A pulley 27 is rotatably mounted on the pulley mounting bracket 26. There is. In the case of this embodiment, the endless endless cord 28 has a chain in the upper half of the circumference and a wire in the remaining lower half. The upper end of the endless cord 28 is hooked on the sprocket 25 and the lower end of the endless cord 28 is Is hung on the pulley 27, and the endless rope 28 is inserted near the guide rail 12. Bottom guide roller 1
At the tip of the roller shaft 14 to which 5d is attached, the cord connecting portion 3
1 is provided and the endless rope 28 is connected to the rope connecting portion 31. By driving the endless rope 28, the lower end of the lowermost door panel 1d can be moved up and down.

Next, the operation of the elevator door of the present invention constructed as above will be described. 5 and 8 show a state in which the folding door A is expanded and the opening is closed. From this state, the motor 23
Is driven to raise the lower end of the door panel 1d via the endless cord 28, the folding door body A is folded and the opening is opened. When the motor 23 is driven in the reverse state from the open state to lower the door panel 1d through the endless rope 28,
The folding door body A is expanded and the opening is closed.

When the lower end of the door panel 1a is lifted from the state shown in FIG. 8, the hinge 2a is bent and the guide roller 15 is bent.
a projects from the break-out opening 19. Guide roller 15a
When the door goes out, the door panels 1a, 1b bend in a V shape, and the door panels 1a, 1b, 1c, 1d rise up until the door panels 1a, 1b approach horizontal. Hinge 2 at this time
Since b has a structure in which it is bent in the opposite direction to the hinge 2a, the guide roller 15b does not come out of the breaking opening 19. When the guide roller 15b moves to the upper end of the guide rail 12,
As shown in FIG. 11, the guide roller 15b is bent and fits into the biased roller receiving portion 12a, and then stops. In this state, the door panel 1d further rises, so that the hinge 2c is released.
And the guide roller 15c shown in FIG.
It projects out from 9. At this time, since the folding guide 20 is located below the folding opening 19, the guide roller 15c is guided and smoothly goes out. When the guide roller 15c goes out, the door panels 1c and 1d are bent in a V shape, and the door panels 1c and 1d approach the horizontal and are stopped.
When the door panel 1c approaches horizontally, the lock pin 18 fits into the lock groove 29. Lock pin 18 is lock groove 2
9, the guide roller 15c is locked by its own weight so as not to come off from the roller accommodating portion 12a,
As shown in FIG. 12, the door panels 1a, 1b, 1c, 1d are maintained in a substantially horizontal state. When the door panel 1d is moved to the uppermost position and opened, the motor 23 is stopped and the open state is maintained. To stop the motor from opening and closing, a dog 33 is attached to the endless cord 28 such as a chain 28a as shown in FIG. 13, and the limit switch 34 detects the dog 33 to turn the motor on and off. Further, the rotating shaft 21 is rotationally driven by the motor 23 to open the folding door body A. At this time, since the torsion coil spring 30 is attached to the rotating shaft 21, the weight of the folding door body A is reduced and the folding door body A is folded. The door A can be opened with a light force.

When the motor 23 is driven in the opposite direction from the state shown in FIG. 10 to lower the door panel 1d, the opening is closed. When lowering the door panel 1d, the door panel 1
The lock pins 18 are pulled out of the lock grooves 29 by the rotation of the door panels 1c by rotating c and 1d. When the door panels 1c and 1d are developed into a substantially flat shape, the guide roller 15c begins to enter the guide rail 12 through the folding opening 19 as shown in FIG. 9 and the door panel 1c kicks out as shown in FIG. 17th door panel 1d
Is pulled downward, the guide roller 15b comes out of the roller accommodating portion 12a by the reaction force when it hits the kick roller 17, and the guide rollers 15b and 15c enter the guide rail 12. By further lowering from this state, the door panels 1a and 1b are developed in a flat shape and the openings are closed. When the opening is closed by the folding door body A, the motor 23 is stopped by the limit switch 34.

[0019]

As described above, according to the present invention, the hinge shaft is provided on the upper hinge fitting attached to the lower end of the upper door panel.
Provide a hook on the lower hinge fitting attached to the upper end of the lower door panel, hook the hook on the above hinge shaft, and hook from the hinge shaft with the holding fitting attached to the upper end of the lower door panel. Since it is held so that the part does not come off, if you attach the upper hinge metal fitting to the lower end of the door panel and the lower hinge metal fitting to the upper end of the door panel, the lower door panel will be attached to the upper door panel. When connecting, hook the hook part of the lower hinge bracket to the hinge shaft of the upper hinge bracket to connect the lower door panel to the upper door panel, and then attach the holding bracket to the upper end of the lower door panel. It can be attached and assembled so that the upper and lower door panels are not disconnected,
When connecting the upper and lower door panels, it is not necessary to carry out the mounting work while holding the door panels at a predetermined position, and the door panels can be easily connected.

Further, according to the second aspect of the present invention, the pivot shaft is projected laterally from the upper side end of the uppermost door panel and is attached to the inner side surface of the upper part of the column. Since the receiving metal fitting is provided with a receiving groove and the pivot shaft is inserted into the receiving groove and is rotatably supported on the pivot supporting part at the back of the receiving shaft, the top door panel can be freely rotated on the column. When it is attached to the, the door panel can be rotatably attached to the pivotal support portion inside the groove by simply lifting the door panel and inserting it into the receiving groove of the bracket. It is easy to attach the top door panel to the post.

[Brief description of drawings]

FIG. 1 shows a folding door body according to an embodiment of the present invention,
(A) is a partially cutaway front view, and (b) is a partially cutaway side view.

2 (a), (b) and (c) are partially cutaway side views for explaining a state in which a pivot shaft of the folding door body is attached.

FIG. 3 is an exploded perspective view of the hinge portion of the above.

4 (a), (b), (c), and (d) are side views for explaining a state in which they are connected by a hinge portion.

FIG. 5 is a front view showing the whole of the above.

FIG. 6 is a plan view of the above.

FIG. 7 is a front view showing an enlarged main part of the same.

FIG. 8 is a side view of the above.

FIG. 9 is a side view showing a state in which the folding door body of the same is opened halfway.

FIG. 10 is a side view showing a state in which the folding door body is opened.

FIG. 11 is a side view for enlarging a main part of the folding door body in the same way during folding.

FIG. 12 is a side view for enlarging a main part of the folding door body of the above in a folded state.

FIG. 13 is a front view showing a structure for stopping the motor of the above.

FIG. 14 is a side view illustrating a conventional example.

[Explanation of symbols]

 A Folding door body 1 Door panel 2 Hinge 4 Strut 8 Pivot shaft 37 Upper hinge metal fitting 38 Hinge shaft 39 Lower hinge metal fitting 40 Hook part 41 Holding metal fitting 42 Receiving metal fitting 43 Receiving groove 45 Pivot supporting part

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Takahiro Nakamura 1048, Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Works Co., Ltd.

Claims (2)

[Claims] 1. A plurality of door panels are arranged vertically in parallel, and upper and lower ends of vertically adjacent door panels are rotatably connected to each other to form a foldable door body that can be folded up and down, and stands upright and left. The foldable door body is arranged between the struts, and the upper end of the door panel located at the uppermost part of the foldable door body is rotatably connected to the upper part of the stanchion with a horizontal shaft, and In an elevating door connected to the elevating means for elevating the lower end of the door panel up and down, a hinge shaft is provided on the upper hinge fitting attached to the lower end of the upper door panel, and attached to the upper end of the lower door panel. The hook part is provided on the lower hinge fitting and the hook part is hooked on the hinge shaft.
An elevating door characterized in that a hook fitting is attached to the upper end of a door panel located below to prevent the hook part from coming off the hinge shaft. 2. A plurality of door panels are arranged in parallel vertically, and upper and lower ends of vertically adjacent door panels are rotatably connected to each other to form a foldable door body that is vertically foldable, and stands upright and left. The foldable door body is arranged between the struts, and the upper end of the door panel located at the uppermost part of the foldable door body is rotatably connected to the upper part of the stanchion with a horizontal shaft, and In a lift door connected to the lifting means for lifting the lower end of the door panel up and down, a pivot shaft is projected laterally from the upper side edge of the uppermost door panel and attached to the inner surface of the upper part of the column. An elevating door, characterized in that a receiving groove is formed in a receiving metal fitting, and the pivot shaft is inserted into the receiving groove so that the pivot shaft is rotatably supported by a pivot supporting portion in the back of the groove.