JP2003253950A - Door structure for housing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a simple and inexpensive door structure irrespective of the number of sheets of a door panel. <P>SOLUTION: An entrance 12a is opened in a condition that a plurality of sheets of vertically movable first - fourth door panels 16-19 are contained in the state of being superposed back and forth in the housing space S of the upper end of the entrance 12a, and the entrance 12a is closed in a condition that they are vertically arranged in a row with the upper end edge and the lower end edge of the two upper and lower door panels adjacent to each other being superposed front and rear. In this door structure, the respective door panels 16-19 are vertically moved in interlocking way by a door lifting mechanism. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door structure in which a door is composed of a plurality of door panels which can move up and down in a storage device.

[0002]

2. Description of the Related Art Japanese Unexamined Patent Publication (Kokai) No. 7-243270 discloses a door structure for a three-dimensional parking apparatus in which three door panels are provided at an entrance so that they can be vertically moved up and down, and when the entrance is opened, the door panels are raised. When the doors are closed, the door panels are lowered to align the upper and lower edges of the upper and lower two door panels that are adjacent to each other in a row in the vertical direction. A door structure is disclosed in which the front and rear are stacked.

[0003]

By the way, in the door structure of the above-mentioned publication, there is no description of the door raising / lowering mechanism for raising / lowering the three door panels, but the door raising / lowering mechanism is individually provided for each door panel. When each door panel is individually lifted up and down by the number of door panels, the door structure is complicated and expensive.

The present invention has been made in view of the above points, and an object thereof is to provide a simple and inexpensive door structure regardless of the number of door panels.

[0005]

In order to achieve the above object, the present invention is characterized in that a door lifting mechanism is shared.

Specifically, the present invention comprises a plurality of door panels which can be vertically moved up and down.
While rising and opening the above-mentioned entrance while being stored in the storage space at the upper end of the entrance of the storage device by stacking it back and forth,
Adjacent top and bottom 2 in a state of descending and lining up in one row in the vertical direction
The following means for solving the problems have been taken for the door structure of the storage device configured to close the entrance and exit by stacking the upper and lower edges of the one door panel in front of and behind the door panel.

That is, the invention according to claim 1 is characterized in that each door panel is configured to be lifted and lowered in conjunction with one door lifting mechanism.

With the above structure, in the invention according to the first aspect, the door opening / closing operation is performed by the operation of one door elevating mechanism, so that the door structure is simple and inexpensive.

According to a second aspect of the present invention, in the first aspect of the present invention, one of the intermediate door panels of the door panels excluding the uppermost and lowermost door panels is linked to the door lifting mechanism. Instead, it is configured to be pulled up to the door panel next to the upper side in the early stage of the ascent and pushed up to the door panel next to the lower side at the end of the ascent.

With the above construction, in the invention according to the second aspect, the door panel not linked to the door lifting mechanism does not need the constituent elements of the door lifting mechanism, and the door lifting mechanism and hence the door structure are further simplified accordingly. It becomes cheaper and cheaper.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

FIG. 10 shows an elevator type multi-level parking apparatus of a lower entry type as a storage apparatus to which the door structure according to the embodiment of the present invention is applied. In the figure, 1 is a building, 2 is a parking portion provided in a space inside the building 1 excluding a lower end portion and an upper end portion.
A plurality of storage spaces 3 are provided in layers on both the left and right sides of the vehicle, and two shelf rails 3a are installed in each of the storage spaces 3, and the vehicle C is loaded on the two shelf rails 3a together with the pallet P. It is designed to be stored.

Between the storage spaces 3 on the left and right sides,
An elevator hoistway 4 extending in the vertical direction is provided, and the storage spaces 3 (shelf rails 3a) are arranged on both sides of the elevator hoistway 4 in the vertical direction at predetermined intervals. The elevator hoistway 4 has an elevator 5
Elevating table 6 that composes the four corners of the four wire ropes 7
It is arranged so that it can be lifted and lowered so as to be connected to one end of it, and an elevating table 6 is equipped with a telescopic fork type transfer device 6a. Then, the vehicle C together with the pallet P is transferred to and from the storage space 3 by the transfer device 6a. In addition, 8 is a driven pulley, 9 is a drive pulley, 10 is a balance weight connected to the other end of the wire rope 7, and these driven pulley 8 and drive pulley 9 are
Is installed in the machine room 11 with the space at the upper end inside the building 1 as the machine room 11. The drive pulley 9
Is a door lifting mechanism 21 of the door 13 described later, a turning device (not shown) installed in the pit, and the transfer device 6 described above.
The wire ropes 7 and the like are driven to rotate by drive motors (not shown) of the respective parts of the apparatus, and when the lift table 6 is moved up and down, the wire ropes 7 are wound and unwound by the activation of the drive motors.

At the lower end of the building 1, there is formed a loading / unloading room 12 for loading and unloading the vehicle C, and a pit (not shown) is formed in the floor at the lower end of the elevator hoistway 4, and a recess is formed in the pit. A turning device is installed, and the operation of the turning device changes the direction of the vehicle C riding on the pallet P by 180 °.

An entrance 12a is provided on the front of the storage room 12.
A door 13 as a feature of the present invention is provided at the entrance / exit 12a so as to be vertically openable and closable. An emergency door 14 for exiting in an emergency is provided on one side (left side in FIG. 10) of the door 13, and a numeric keypad 1 for a contract user to input a personal identification number is provided on the other side (right side in FIG. 10).
Driver panel 15 with various operation keys and buttons such as 6
Is provided.

The door 13 is, as shown in FIGS.
It is provided with four door panels that can move up and down, and will be referred to as a first door panel 16, a second door panel 17, a third door panel 18, and a fourth door panel 19 in order from the top. The first to fourth door panels 16 to 19 are housed in a gate-shaped frame body 20 that constitutes the peripheral edge of the entrance / exit 12a, and one door lifting mechanism 2 including a chain sprocket mechanism.
It is configured to move up and down in conjunction with each other.

The door raising / lowering mechanism 21 includes a motor 22 installed at one end (left end in FIGS. 2 and 3) of the upper portion of the frame body 20, and a drive sprocket 23 is fixed to an output shaft 22a of the motor 22. The rotation torque of the motor 22 is transmitted to a driven sprocket 25 fixed to the shaft 24 by an endless chain 26. In addition to the driven sprocket 25, the shaft 24 has 4
Two sprockets 27 to 30 are fixed. Also,
Four sprockets 32a and 33 to 35 are also fixed to the shaft 31a on the sides of the sprockets 27 to 30, and another sprocket 32b is fixed to the shaft 31b on the side of the sprocket 32a. Has been done. Further, two sprockets 3 are provided on the other end (right end in FIGS. 2 and 3) of the upper portion of the frame body 20.
7, 38 are fixedly arranged on the shaft 36.

On the other hand, the above first to fourth door panels 16 to 19
Has a shape in which an upper end and a lower end are bent in a U-shape, and two of them on the left and right sides of the upper end bent portion 16a of the first door panel 16 are enlarged and detailed as shown in FIG.
A sprocket 39 is rotatably supported by a bracket 40 on a support shaft 41. The one chain 42, one end of which is fixed to the upper portion of the frame 20, is the first door panel 16
3 and 4, the sprocket 39 on the right side is wound, the sprocket 37, 32b on the side of the frame 20 is passed, and the sprocket 39 on the left side in FIGS. 3 and 4 of the first door panel 16 is wound, Sprocket 32a,
It is connected to the balance weight 43 via 27, and thereby the first door panel 16 is suspended and supported so as to be able to move up and down.

Upper end bent portion 17 of the second door panel 17
A sprocket 44 is rotatably supported by a bracket 45 on a bracket 45 between two positions on the left and right of a and between them, as shown in an enlarged detail in FIG. Sprocket 4 in the middle above
4 is for tension. Then, a single chain 47 having one end fixed to the upper portion of the frame body 20 is wound around the sprocket 44 on the right side in FIGS. 3 and 5 of the second door panel 17, and passes through the sprocket 44 in the middle and then FIGS.
Is wound around the sprocket 44 on the left side with
The second door panel 17 is connected to the balance weight 43 through the 0 side sprockets 33 and 28.
Is supported so that it can be raised and lowered. Further, a cutout portion 17c is formed outside the left and right sprockets 44 of the upper end bent portion 17a of the second door panel 17 so as not to interfere with a contact member 48 described later.

Upper end bent portion 18 of the third door panel 18
As shown in enlarged detail in FIGS. 6 and 8, at two locations on the left and right of a, the nut 54 is screwed onto the bolt 53 while the mounting plate 49 has the spacer 54 interposed therebetween so that the mounting plate 49 can project in the front-rear direction. Two abutting members 48 are fixed and attached to the back surfaces of both ends of the mounting plate 49 by screwing a nut 50 onto a screw shaft 51. The second door panel 1
The notch 17c of 7 is for avoiding interference with the contact member 48. This third door panel 18 is shown in FIG.
As shown in (a), the lower end bent portion 17b of the second door panel 17 is abutted against the abutting member 48 so as to be suspended and supported, and is not linked to the door lifting mechanism 21.
Further, the lower end bent portion 17b of the second door panel 17, the upper end bent portion 18a of the third door panel 18 and the upper end bent portion 19a of the fourth door panel 19 are respectively the reinforcing plate 1
It is reinforced with 7d, 18c and 19c.

Upper end bent portion 19 of the fourth door panel 19
One end of a chain 56 is connected to each of two left and right sides of a via a bracket 55, and the chain 56 on the right side in FIGS. 3 and 7 is wound around the sprocket 38 on the right end in FIG. 3 and 7, the chain 56 on the left side is wound around the sprocket 35 near the left end of FIG. 3 on the upper part of the frame body 20, and is connected to the balance weight 43 via the sprocket 30. The fourth door panel 19 is suspended and supported so that it can be moved up and down.

In the door structure constructed as described above, the four first to fourth door panels 16 to 19 are lifted and housed in the storage space S at the upper end of the entrance 12a of the multi-storied parking apparatus by being stacked one on top of the other. While the doorway 12a is opened, the doorway 12a is closed by closing the doorway 12a by vertically descending and arranging the upper and lower edges of the upper and lower two door panels adjacent to each other in the vertical direction. There is. Further, one of the lower middle third door panels 18 excluding the uppermost and lowermost first and fourth door panels 16 and 19 among the first to fourth door panels 16 to 19 is the door lifting mechanism 2
The second door panel 17 is not linked to the first unit and is lifted up to the second door panel 17 adjacent to the upper side in the initial stage of the ascending, and is pushed up to the fourth door panel 19 adjacent to the lower side in the final stage of the rising. Each of the first to fourth door panels 16 to 19 has a doorway 12a.
The ascending / descending speeds are controlled so that the ascending / descending operation is completed at the same time when it is completely opened and when it is completely closed. That is, the first door panel 16 at the uppermost end has a lifting speed that is one-fourth that of the fourth door panel 19, and the second door panel 17 that is the second from the top is 2 times the fourth door panel 19.
It is set to one-half the lifting speed.

Next, the process of opening the door 13 will be described with reference to FIG. The process for closing the door 13 may be the reverse of the process for opening, so the description thereof will be omitted.

First, as shown in FIG. 1 (a), when the four motors 22 are driven from a state in which the four first to fourth door panels 16 to 19 are lowered and aligned in one row in the vertical direction, FIG. )
And as shown in (c), the first, second, and fourth door panels 1
6, 17, and 19 start to rise in synchronization with each other. At this time, since the third door panel 18 is suspended from the second door panel 17 (see FIG. 9A), the third door panel 18 is lifted by the second door panel 17, and as a result, the four first to first
The four-door panels 16 to 19 interlock and rise.

Next, as shown in FIGS. 1 (d) and 9 (b), when the first to fourth door panels 16 to 19 continue to rise and reach the end of the rise, the lowermost fourth door panel 19 becomes the first. Catch up with the 3 door panel 18 and push up the 3rd door panel 18 from below. In this state, each first to fourth door panel 1
6 to 19 continue to rise, and finally, as shown in FIG. 1 (e), all the first to fourth door panels 16 to 19 are stored in the storage space S, and the doorway 12a opens greatly.

As described above, in the door structure according to the present embodiment, the four first to fourth door panels 16 to 19 are opened and closed in conjunction with each other by the one door lifting mechanism 21. Compared with the case where a door raising / lowering mechanism is individually provided for each of the 1 to 4 door panels 16 to 19 to raise and lower, the door structure can be made simple and inexpensive because the number of door raising / lowering mechanisms is small.

Further, without linking the third door panel 18 to the door lifting mechanism 21, the second door panel 17 adjacent to the upper side pulls up the third door panel 18 at the beginning of the ascent, and the fourth door panel 19 adjacent to the bottom at the end of the ascent. Since the third door panel 18 is pushed up by, the door elevating mechanism 21 and thus the door structure can be made simpler and cheaper by the amount that the sprocket and the chain of the door elevating mechanism 21 for the third door panel 18 are unnecessary. .

In the above embodiment, the four first
The door 13 is composed of four door panels 16 to 19, but the number is not limited. Further, the present invention can be applied not only to the elevator type multi-level parking device but also to another multi-level parking device, and further to a storage device for storing articles other than the vehicle.

[0029]

As described above, according to the first aspect of the present invention, since a plurality of door panels are moved up and down by one door elevating mechanism, the door elevating mechanism is provided for each door panel. The door structure can be simpler and less expensive than the case where it is provided.

According to the second aspect of the invention, one intermediate door panel is pulled up by the upper adjacent door panel at the beginning of the ascent and pushed up by the lower adjacent door panel at the end of the ascent. Since the constituent elements of the lifting mechanism are unnecessary, the door lifting mechanism and thus the door structure can be made simpler and cheaper.

[Brief description of drawings]

FIG. 1 is a side view showing a door opening / closing process of a door structure according to an embodiment of the present invention.

FIG. 2 is a rear view of the door structure according to the embodiment of the present invention as viewed from the inside of the doorway.

FIG. 3 is a perspective view showing a door lifting mechanism of the door structure according to the embodiment of the present invention.

FIG. 4 is a perspective view of a first door panel.

FIG. 5 is a perspective view of a second door panel.

FIG. 6 is a perspective view of a third door panel.

FIG. 7 is a perspective view of a fourth door panel.

FIG. 8 is a side view showing a contact member at an upper end of a third door panel.

FIG. 9A is a side view showing a state where the third door panel is pulled up by the second door panel, and FIG. 9B is a side view showing a state where the third door panel is pushed up by the fourth door panel.

FIG. 10 is a schematic configuration diagram of an elevator type multi-level parking device.

[Explanation of symbols]

12a doorway 16 First door panel 17 Second door panel 18 Third Door Panel 19 4th door panel 21 Door lifting mechanism S storage space

Claims (2)

[Claims] 1. A plurality of door panels that can move up and down in a vertical direction, each door panel being opened to open the doorway in a state of being housed in a storage space at the upper end of the doorway of the storage device by being stacked back and forth. A door structure for a storage device configured to close the door by stacking the upper and lower edges of the upper and lower two door panels adjacent to each other in a state of descending and arranging in one row in the vertical direction. The door structure of the storage device, wherein each of the door panels is configured to move up and down in conjunction with each other by a single door lifting mechanism. 2. The door structure for a storage device according to claim 1, wherein one of the door panels in the middle of the door panels excluding the uppermost end door panel and the lowermost door panel is not linked to the door elevating mechanism and is in an initial ascending position. The door structure of the storage device is characterized in that it is configured to be pulled up to the door panel next to the upper side and pushed up to the door panel next to the lower side at the end of the ascent.