JPH11166377A - Groove opening and closing device and closing structure of entrance opening using door main body having the device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a groove opening and closing device by which a person or a truck is enalbed to go in and out safely and a closing structure of an entrance opening using a door main body having the device. SOLUTION: This device includes an elevating plate 16 disposed in a groove part 2 formed below the floor F to insert the lower end of the sliding type door main body 3 and formed in the opening and closing direction of the door main body 3, and driving devices 17, 18 for driving the elevating plate 16 to be elevated. The elevating plate 16 is lowered when an entrance opening G is closed by the door main body 3, and is raised to make the upper surface flush with the floor F when the entrance opening G is opened by the door main body 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a groove opening / closing device and a sealing structure of an entrance opening and closing by a door body.

[0002]

2. Description of the Related Art A closed door used in a room requiring a high degree of sealing, such as a sterile room of a hospital, a closed warehouse, a storage room subject to radio interference, and the like, is formed in the sterile room of the hospital. When the access opening is closed, it is necessary to completely block the ventilation between the room and the outside. Conventionally, such sealing of a closed door has been configured such that packing is stuck around the entrance of the room and the back surface of the door is pressed with a hydraulic cylinder or the like to maintain airtightness.

[0003] An example of a conventional hermetic sliding automatic door will be described below. As shown in FIG. 6, the closed sliding automatic door 100 includes a door body 101, a suspension device 102 for suspending the door body 101, one hydraulic cylinder 103, and another hydraulic cylinder 104.
It is composed of one packing 105 and the other packing 106. The door body 101 is provided with a pin 108 and a link 10 on the suspension device 102 which horizontally moves on a guide rail R fixed above the door body 101.
9 and is suspended by a support pin 110. The one hydraulic cylinder 103 is disposed in the middle of the upper end side of the column S, and is configured to press the upper end side of the door main body 101 horizontally in the direction of the opening G side. Is disposed on the lower end side of the support column S, and is configured to horizontally press the lower end side of the door body 101 in the direction of the opening G. In addition, the one packing 1
05 is attached to the outside of the upper side wall surface 111 formed continuously below the ceiling C on the indoor side, and the other packing 106 is the floor F and the door body 101
Is attached to the vertical surface 107a on the opening G side of the groove 107 formed at a position where the lower end side of the groove is loosely inserted. When the door body 101 is opened, it hangs under its own weight, and is fixed in the vertical direction of the support pin 110 as shown by a solid line in FIG. , And is movable on the guide rail R. on the other hand,
When the door main body 101 is closed, as shown by a two-dot chain line in FIG. 6, the door main body 101 is moved from the outside by one and the other hydraulic cylinders 103 and 104 to the one and the other packings 105. , 106, and when opened, is automatically separated from the one and the other packings 105, 106 by the weight of the door body 101.

[0004]

However, in the above-described conventional closed sliding door 100, the lower end of the door body 101 is configured to move horizontally in the groove 107 formed in the floor F. , Door body 101
At the time of opening, the opening of the groove 107 is exposed on the floor surface F, and when a person or a trolley enters or exits the room,
Since there is a possibility that the wheels and ankles may be depressed, it is not possible to safely enter and exit without considerable caution. That is, the above-described conventional closed sliding door 10
In the case where a groove 107 into which the lower end side of the door main body 101 is inserted is formed to close the access opening G by the door main body 101 as shown in FIG. The groove 107 is exposed to the outside, and when passing through the access opening G, there are various adverse effects described above.

Accordingly, the present invention proposes to solve the above-mentioned problem when at least the lower end of the door is inserted into a groove formed on the floor as in the above-mentioned conventional hermetic sliding automatic door. It is an object of the present invention to provide a groove opening / closing device that enables a person, a trolley, and the like to safely enter and exit a room and outside, and a sealing structure of an entrance opening and closing by a door body provided with the device. Things.

[0006]

SUMMARY OF THE INVENTION The present invention has been proposed to achieve the above-mentioned object, and the first invention (the invention according to claim 1) relates to a groove opening / closing device. A sliding plate formed below the floor surface, the lower end of the sliding door body being inserted therein, and a lifting plate arranged in a groove formed in the opening and closing direction of the door body; A drive device for driving, the elevating plate is lowered when the door opening is closed by the door body, and rises and rises when the door opening is opened by the door body. Is characterized in that it is configured to be flush with the floor surface.

Further, the second invention (the invention according to claim 2)
The present invention relates to a closed structure of an opening and closing opening by a door body provided with the groove opening and closing device, wherein the door body opens and closes the opening and closing opening, a first driving device for opening and closing the door body, and a floor surface A lower part of the door body is inserted below and a groove formed in the opening and closing direction of the door body, and a pressing device for pressing the door body when the door opening is closed by the door body. A sealing gasket formed in the vicinity of the entry / exit opening and contacting the door body pressed by the pressing device, an elevating plate provided in the groove, and a second drive for elevating the elevating plate Device, wherein the lifting plate is lowered when the door opening is closed by the door body, and rises when the door opening is opened by the door body, and the upper surface is a floor surface. And flush And it is characterized in that formed by so that configuration.

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a door body provided with a groove opening / closing device according to an embodiment of the present invention. Will be described.

First, a description will be given of a structure of an access opening employing this closed structure. This access opening G is shown in FIG.
As shown in, the ceiling plate C, a floor F that is formed on the basis of the building B, and is formed in a rectangular shape by the left and right wall W _1, W _2. As shown in FIG. 4, a ceiling groove 1 into which the upper end of the door body is inserted is formed in the ceiling plate C, and a floor groove into which the lower end of the door body is inserted. A portion 2 (a groove constituting the present invention) is formed. Note that the ceiling-side groove 1 and the floor-side groove 2 are both formed on the outside of the wall W _1, W ₂ of the right and left. Further, on the outside in front of the right wall W ₂ is a cross section L
An outer wall panel P shaped like a letter is attached.
(See Fig. 3)

In this closed structure, a door body 3 is provided for sealing a room in which the access opening G is formed. The door body 3 is a rectangular plate having at least an area larger than the area of the access opening G, and the upper end is inserted into the ceiling groove 1 and the lower end is inserted into the floor groove 2. I have. As shown in FIG. 1, the door body 3 is on the upper surface of the ceiling plate C and can be opened and closed by driving a drive motor 4 fixed in the opening direction of the door body 3. The drive motor 4 includes one mounting member 5 having a lower end fixed to the upper surface of the ceiling plate C.
Has been fixed through. The drive motor 4 is
The drive unit starts rotating when a person or the like passing through the access opening G is detected by a sensor (not shown) or the like, and the door body 3 rotates the access opening G as described later. When is closed or opened, it is configured to stop via a limit switch (not shown). A drive pulley is fixed to a drive shaft (not shown) constituting the drive motor 4, and an endless belt 6 is stretched over the drive pulley. In addition, on the ceiling plate C and in the closing direction of the door body 3, as shown in FIGS.
And a driven pulley (not shown) is rotatably mounted on the other mounting member 7, and the endless belt 6 is stretched over the driven pulley. Therefore, when the drive motor 4 is driven, the endless belt 6 runs from the drive pulley (not shown) to the driven pulley.
The endless belt 6 is connected to the door body 3 via first and second connecting members 8 and 9 having lower ends fixed to the upper end of the door body 3. Therefore, the endless belt 6 travels between a driving pulley (not shown) and a driven pulley (not shown), so that the door body 3 is slid in the left-right direction in FIG. 1 or FIG.

Further, the ceiling-side groove portion 1 is a ceiling board C which is formed on the upper surface of the ceiling plate C ₁ of the outdoor side, the front of the door body 3 inserted into the ceiling-side groove portion 1 ( First and second door pressing devices 10 and 11 for pressing the surface formed on the outdoor side toward the indoor side are fixed (see FIG. 3). The first and second door pressing devices 1
Reference numerals 0 and 11 denote hydraulic cylinders, and pressing plates 10b and 11b are fixed to the distal ends of the respective pistons 10a and 11a. Further, the entire end face of the indoor side top plate C ₂ forming the roof groove portion 1, as shown in FIG. 4, one of the packing 12 which the back of the door body 3 (surface formed on the interior side) abut Has been fixed.

The floor plate F in which the floor-side groove 2 is formed, and the lower surface of the outdoor-side floor plate F ₁ has a front surface (outdoor-side) of the door body 3 inserted into the floor-side groove 2. The third and fourth door pressing devices 13 and 14 for pressing the surfaces formed on the inside of the vehicle indoors are fixed (see FIGS. 4 and 5). The third and fourth door pressing devices 1
Reference numerals 3 and 14 denote hydraulic cylinders, and pressing plates 13b and 14b are fixed to the distal ends of the respective pistons 13a and 14a. Further, the entire end face of the indoor-side floor F ₂ forming the floor side groove 2, as shown in FIGS. 4 and 5, the back of the door body 3 (surface formed on the interior side) of the other abutting The packing 15 is fixed.

On the other hand, as shown in FIGS. 1 and 2, below the floor-side groove 2 into which the lower end of the door main body 3 is inserted and on the side of the access opening G, the present invention is constituted. An elevating plate 16 is provided. The lifting plate 16 is raised from the lower side of the floor-side groove 2 when the door body 3 is moved to the open position, closes the floor side groove 2 from floor F ₁ of the indoor side of the indoor-side floor It is intended to flush over the F _2, and slightly longer length than the width of the door main body 3 is molded substantially in the same horizontal width as the width of the floor-side groove 2.
In the base B below the floor-side groove 2, first and second lift plate driving devices 17 and 18 for moving the lift plate 16 up and down in the direction of the floor plate F or the direction of the base B are provided. Fixed. The first and second lifting plate driving devices 17 and 18 are hydraulic cylinders, and the lower surface of the lifting plate 16 is fixed to the tip of each of the pistons 17a and 18a. Also, a lower floor side groove 2 the lower end side of the door body 3 is inserted, on the side of the right wall W _2, as shown in FIGS. 1 and 2, the fixed plate 1
9 is fixed by first and second pedestals 20 and 21. The fixing plate 19 is formed at the same height as the state where the elevating plate 16 is completely lowered, and the first and second door wheel cases 22 and 23 having upper ends fixed to the lower end of the door body 3. A door roller (not shown) rotatably mounted in the inside can run.

Next, the operation of the closed structure by the door body 3 will be described. The door body 3 is normally in a state where the access opening G is closed. In this state, as shown in FIG. 1, the elevating plate 16 is located at a position completely lowered below the door body 3, and the door body 3 is placed on the upper surface. Also, the door body 3 is shown in FIG.
As shown in FIG.
The first to fourth door pressing devices 10, 11, 13,
14 is in a state of being crimped. When a person or the like passing through the access opening G is detected by a sensor or the like (not shown), the first to fourth door pressing devices 10, 11, and
The pressing of the door body 3 to the one and other packings 12 and 15 by the door bodies 13 and 14 is released.
Are slightly spaced from the one and the other packings 12,15. Then, the drive motor 4 starts driving and the endless belt 6 travels from the drive pulley (not shown) to the driven pulley, and the first and second door case 2
By (not shown) attached to the 2 and 23 door roller travels on the elevating plate 16 and fixed plate 19, the door body 3 is moved in the opening direction, mounted in front of the right wall W ₂ It is stored in the outer wall panel P. When the door body 3 moves to the open position, the drive motor 4
Are stopped via a limit switch (not shown), and the lift plate 16 is moved to the first and second lift plate driving devices 17 and 17,
By the operation of the piston 18, as shown in FIG.
It rises through 7a and 18a. Thus, as shown in FIG. 5, the floor side groove 2 is made is closed from floor F ₁ of the indoor side flush over the floor F ₂ of the indoor side by the lifting plate 16, human or truck, etc. When passing through the access opening G, there is no fear that the ankle or the wheel will be depressed, and the vehicle can pass safely.

When a person, a trolley or the like passes through the access opening G and is separated by a distance not detected by the sensor, the lift plate 16 is actuated by the first and second lift plate driving devices 17 and 18. As a result, it descends to the same height as the fixing plate 19 formed below the floor-side groove 2. Then, the drive motor 4 rotates in the direction opposite to the opening direction, and the door body 3 moves in the closing direction. When the access opening G is closed by the door body 3, the door body 3 is closed.
Are the first to fourth door pressing devices 10, 11,
The operation of the door pressing members 10b, 1
It is crimped to the one and the other packings 12, 15 via 1b, 13b, 14b. Thereby, complete sealing of the access opening G is realized. Furthermore, in this sealed structure, it and the outer wall panel P is mounted to the front of the right wall W _2, the outer wall panel P and is formed in the outer side of the floor-side groove 2, the door body 3 is When in the closed position, the opening of the floor groove 2 is not exposed to the outside. Therefore, there is no fear that a document or the like falls into the floor side groove 2.

In the closed structure according to the present embodiment,
The first to fourth door pressing devices 10, 11, 13, 14 for pressing the door body 3 are configured to press the four corners of the door body 3. May be configured to be pressed, and the number thereof is not limited to four, and may be six or more. Further, in this closed structure, a person or a trolley or the like trying to pass through the access opening G is detected by a sensor, and the access opening G is opened and closed by the door body 3. The opening / closing opening may be opened and closed by the door body by operating a switch attached to a wall or the like around the opening / closing opening. (Not shown)

[0017]

As is clear from the above description of the closed structure according to the embodiment, according to the groove opening / closing device according to the first invention (the invention described in claim 1), a sliding door body is provided. Is configured to move in a groove formed on the floor surface forming a part of the access opening, and a lifting plate that moves up and down in the groove by a driving device is provided in the groove. When the door body is opened, the elevating plate provided in the groove rises and the upper surface is configured to be flush with the indoor and outdoor floor surfaces. Irregularities are not formed, and there is no fear that an ankle or a wheel will collapse or climb when a person or a trolley enters or exits, and it is possible to pass through the access opening extremely safely.

Further, the second invention (the invention according to claim 2)
According to the sealing structure according to the above, when the door body is moved to the closed position, the pressing device is pressed against the sealing packing formed near the access opening, and when the door body is moved to the open position, the groove is formed. Since the lift plate provided inside is raised and the upper surface is configured to be flush with the floor surfaces inside and outside the room, irregularities such as rails and grooves are formed on the floor surface of the access opening. There is no fear that an ankle or a wheel will collapse or get on when a person or a trolley enters or exits, and it is possible to pass through the access opening extremely safely, and with a simple structure, Reliable sealing can be easily realized. In addition, since the manufacturing cost can be reduced, when this sealed structure is installed in a sterile room of a hospital, for example, it can be installed at a low cost.

[Brief description of the drawings]

FIG. 1 is a front view schematically showing a state in which an access opening is closed by a door body according to an embodiment of the present invention.

FIG. 2 is a front view schematically showing a state in which an access opening is opened by a door body according to an embodiment of the present invention.

FIG. 3 is a plan view schematically showing a state in which an access opening is closed by a door main body according to an embodiment of the present invention.

FIG. 4 is a right side view schematically showing a state in which an access opening is closed by a door main body according to an embodiment of the present invention.

FIG. 5 is a left side view schematically showing a state in which an access opening is opened by a door body according to an embodiment of the present invention.

FIG. 6 is a right side view showing a conventional closed structure using a door body.

[Explanation of symbols]

 2 floor side groove part 3 door body 4 drive motor 6 endless belt 10 first door pressing device 11 second door pressing device 12 one packing 13 third door pressing device 14 fourth door pressing device 15 other packing 16 Lifting plate 17 First lifting plate driving device 18 Second lifting plate driving device G Access opening

Claims (2)

[Claims] 1. A lift plate formed below a floor surface, the lower end of a sliding door body being inserted therein, and being provided in a groove formed in the opening and closing direction of the door body, and a lift plate. A drive device for driving the elevator up and down, wherein the elevating plate is lowered when the door opening is closed by the door body, and is raised when the door opening is opened by the door body. A groove opening and closing device, wherein an upper surface is configured to be flush with a floor surface. 2. A door body for opening and closing the door opening, a first driving device for opening and closing the door body, and a lower end of the door body formed below a floor surface, wherein the lower end of the door body is inserted. A groove formed in the opening / closing direction, a pressing device for pressing the door body when the door opening is closed by the door body, and a door body formed near the door opening and pressed by the pressing device are provided. A sealing gasket, a lift plate provided in the groove, and a second drive device for driving the lift plate up and down, wherein the lift plate has an access opening closed by the door body. When the door body is lowered, and when the access opening is opened by the door body, it rises and the upper surface is flush with the floor surface. Opening closed structure .