JP3136284B2 - Double door for storage - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a double door for a storage which can be opened in a double door, and more particularly to a double door for a storage which closes a gap between the door and a floor when the door is closed.

[0002]

2. Description of the Related Art Conventionally, this type of double door for storage has a closing member for closing a gap between the door and a floor, which is attached to a lower portion of a pair of doors housed in the frame, and a bar is hung on the frame. In some cases, at the same time as the insertion is stopped in the hole, the closing member descends to close the gap with the floor surface.

[0003]

In the case of the double door for storage as proposed above, since the closing member is lowered at the same time as the bar is set, the closing member of one of the door members is closed when the door is closed. The joining portion rides on the joining portion of the closing member of the other door body, and prevents the closing member from descending.

[0004] For this reason, the joining portion between the one closing member and the other closing member is not sufficiently close to each other, the gap between the door body and the floor surface is not closed, and the moisture resistance and fire resistance of the door body cannot be secured. There is a problem.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and has as its object to provide a door member and a floor surface which are sufficiently close to each other at a joining portion of a closing member. It is an object of the present invention to provide a double door for a storage that can reliably close the gap between the storages.

[0006]

In order to achieve the above object,
The double door for storage according to the present invention is a frame provided at the entrance of the storage on the floor, a pair of doors housed in the frame and having a bar, and a lower portion of the pair of doors. And a closing member that closes a gap between the lower part of the door body and the floor surface, a handle that opens and closes the pair of door bodies, and is formed on the frame body, and the bar is inserted and latched. When the pair of doors are closed, the closing member is brought into close contact with the floor surface by operating the handle when the pair of doors are closed, and then the bar is inserted into the hanging hole and latched, and the one door is locked. And an operating mechanism for pressing and bringing the joining portion of the closing member of the other door body into close contact with the joining portion of the closing member.

The operating mechanism includes an operating rod connected to the handle and having the bar fixed thereto, an operating plate having the closing member fixed at a lower end thereof, and an elastic member for urging the operating plate downward. A first elongated hole formed in a predetermined portion of the operating rod, a first pin that is vertically movably engaged in the first elongated hole and interlocks with the operating plate; A second elongate hole formed in the second elongate hole and being shorter in the longitudinal direction than the first elongate hole, and a second pin fixed to the door body and movably engaged in the second elongate hole. It is characterized by having.

[0008] Further, the joining portion of the closing member of the pair of doors has a slope.

Further, the tip of the bar is formed in a tapered shape.

Further, the closing member is a moisture-proof and fire-resistant packing.

Therefore, according to the present invention, when the door is closed, one of the doors is housed in the frame, and then the operating lever is moved downward by operating the handle, and the operating plate is moved by the elastic force of the elastic member. Pushed downward, the closing member (moisture-proof / fireproof packing) descends until the upper end of the second long hole contacts the second pin, and comes into close contact with the floor surface.

Further, when the operating rod moves downward until the first pin comes into contact with the upper end of the first elongated hole, the bar is guided into the tapered surface at the distal end thereof, inserted into the hook hole and latched. You.

Next, after housing the other door body in the frame body,
By operating the handle, the operating rod is moved downward, the operating plate is pushed downward by the elastic force of the elastic member, and the closing member is lowered until the upper end of the second elongated hole contacts the second pin. Close to the floor.

Further, when the operating rod moves downward until the first pin comes into contact with the upper end of the first elongated hole, the bar is guided into the tapered surface at the distal end thereof, inserted into the hook hole and latched. You.

When the bar is inserted into the hook hole, the joining portion of one closing member is pressed in the closing direction of the door by the joining portion of the other closing member to be brought into close contact. In this case, if the joining portion has a slope, the joining portions are more securely joined and closely contacted.

[0016]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a front view of a double door for a storage according to an embodiment of the present invention, FIG. 2 is a sectional view taken along line AA of FIG.
FIG. 3 is a cross-sectional view of the assembling part of the double door for storage according to one embodiment of the present invention, and FIG. 4 is the assembling of the lower packing of the double door for storage according to one embodiment of the present invention. FIG. 5 is a perspective view showing the shape of the part, FIG.
FIG. 6 is a view for explaining an operation mechanism of the lower packing and the lower bar of the double door for storage according to the embodiment of the present invention.

The double door 1 for storage shown in FIG. 1 has a pair of doors 2a and 2b which open in a double-clicked manner.
2b is formed of a refractory material. Also, the door 2a,
2b is accommodated in a frame 15 composed of an upper frame 3, a lower frame 4, and a pair of vertical frames 5a, 5b.

The doors 2a and 2b are connected to a vertical frame 5 by a hinge 6.
a and 5b, and upper and lower bars 7a and 7b are provided on the upper and lower sides of the doors 2a and 2b so as to be freely retractable.
A plurality of bars 8 protruding and retracting from the door 2a are arranged in the combining portion b. When the doors 2a and 2b are closed, the bars 8 are inserted into the door 2a and locked.

At the predetermined height positions of the doors 2a and 2b, the doors 2a and 2b are opened and closed, and the upper bar 7a and the lower bar 7 are opened and closed.
b, a bar 8 and handles 9a and 9b for operating a lower packing, which will be described later, are mounted on the door 2b.
Are locked.

As shown in FIG. 2, moisture-proof and fire-resistant packings 12a and 12b are attached to the inner ends of the hinges of the doors 2a and 2b. Moisture-proof and fire-resistant lower packings 13a and 13b made of a hard material that moves up and down in the height direction of the bodies 2a and 2b are mounted.

A mating edge 14 is attached to the outside mating portion of the door 2b so as to close a gap between the mating portions of the door 2a and the door 2b. A moisture-proof and fire-resistant packing 16 is attached to a lower portion of the inner joining portion of the door 2a.

The front end of the first operating rod 18 is fixed to the rear end of the bar 8 via an L-shaped member 17.
Is connected to the handle 9b and the final locks 10, 11.

In the mating portion of the lower packing 13a,
As shown in FIG. 4 (a), a slope a is formed, and a slope b to be joined to the slope a is formed at the joining portion of the lower packing 13b as shown in FIG. , 2
When b is closed, the slope a and the slope b are in close contact with each other.

The tips of the upper bar 7a and the lower bar 7b are
As shown in FIG. 5, the handle 9a is formed in a tapered shape.
A flange 20 is fixed to the rear end of the upper part 7a, and the upper bar 7a and the upper part of the flange 20 are connected via a second operating rod 21. The second operating rod 21 includes operating rods 21a and 21b, and the operating rod 21a is pivotally mounted on the operating rod 21b.

The upper bar 7a is mounted on the operating rod 21a.
The flange 20 is mounted on the operating rod 21b. The lower bar 7b, the lower packing 13a (13b), and the lower part of the flange 20 are connected via a third operating rod 22 and an operating mechanism 23, and at the inner upper end of the door 2a (2b),
A moisture-proof / fireproof packing 26 is mounted.

The upper frame 3 and the lower frame 4 have hook holes 3 respectively.
4a and 34b are formed respectively, and doors 2a and 2b
When the upper bar 7a and the lower bar 7b are closed,
a and 34b, respectively.

In the figure, C is a floor, and the door 2a,
When 2b is closed, the lower packing 13a (13b) is in close contact.

As shown in FIG. 6, the operating mechanism 23 has a third
A lateral rod 27 disposed orthogonal to the operating rod 22 of
An operating plate 28 fixed to both ends of the horizontal rod 27 by screws
And a coil spring 29 for urging the operation plate 28 downward.

The lower end of the third operating rod 22 has a lower bar 7b.
Is fixed, and a vertically long hole 22a is formed in a portion of the third operating rod 22 orthogonal to the horizontal rod 27. A pin 30 is fixed to the center of the horizontal rod 27, and the pin 30 is
a so that the doors 2a, 2b
Is closed, the pin 30 is in contact with the upper end of the elongated hole 22a. One end of the coil spring 29 is connected to the door 2a, 2b.
, And the other end is fixed to the operation plate 28.

One end of the fixed plate 3
The coiled spring 29 extends and contracts along the round bar 32.

A long hole 28a, which is shorter in the longitudinal direction than the long hole 22a, is formed in the operating plate 28, and a pin 33 fixed to the doors 2a, 2b is engaged so as to move up and down in the long hole 28a. When the doors 2a and 2b are closed, the pin 33 is
Is in contact with the upper end. Further, lower packings 13a and 13b are fixed to a lower end portion of the operation plate 28.

Since the double door for storage is constructed as described above, when opening the double door 1, first, the door 2b
Is rotated in one direction. Then, the second operating rod 21 is pulled downward, and the upper bar 7a moves inside the door 2b. Thereby, the upper bar 7a is pulled out from the hook hole 34a.

At the same time, when the third operating rod 22 is pulled upward and the pin 30 reaches the lower end of the long hole 22a, the lower bar 7b moves to the inside of the door 2b and is removed from the hook hole 34b. It is. Further, when the third operating rod 22 is pulled upward, the horizontal rod 27 moves up together with the pin 30 as the long hole 22a rises.

As a result, the operating plate 28 is raised, and the lower packing 13b is raised until the pin 33 reaches the lower end of the long hole 28a, and is separated from the floor surface C. At this time, the bar 8 is pulled out of the door 2a to release the latch. Thus, the door 2b is opened.

Next, by rotating the handle 9a of the door 2a in one direction, the second operating rod 21 is pulled downward, and the upper bar 7a moves inside the door 2a. Thereby, the upper bar 7a is pulled out from the hook hole 34a.

At the same time, the third operating rod 22 is pulled upward, and the pin 30 reaches the lower end of the long hole 22a. As a result, the lower bar 7b moves to the inside of the door 2a, and
Removed from b.

Further, the third operating rod 22 is pulled upward, and as the elongated hole 22a rises, the horizontal rod 27 is moved together with the pin 30.
Rises. As a result, the operation plate 28 rises, and the lower packing 13a rises until the lower end of the long hole 28a contacts the pin 33, and moves away from the floor surface C. Thus, the door body 2a
Is opened.

When the double door 1 is closed, the door 2a is housed in the frame 15, and then the handle 9a is rotated in the direction opposite to the direction in which the door 2a is opened, so that the second operating rod 21 is closed.
Is moved upward, and the upper bar 7a is moved outside the door body 2a.

As a result, the upper bar 7a is guided by the tapered surface at the tip of the upper bar 7a, inserted into the hook hole 34a and locked.

At the same time, the third operating rod 22 moves downward, and the operating plate 28 is pushed downward by the elastic force of the coil spring 29 until the upper end of the long hole 28a contacts the pin 33. Descends and comes into close contact with the floor surface C.

Further, when the third operating rod 22 moves downward, the lower bar 7b is guided by the tapered surface at the tip end thereof, is inserted into the hook hole 34b and is locked.

Next, after the door 2b is accommodated in the frame 15, the second operating rod 21 is moved upward by rotating the handle 9b in the direction opposite to the direction in which the door 2b is opened. The upper bar 7a is moved to the outside of the door 2b. As a result, the upper bar 7a is guided by the tapered surface at the distal end thereof, inserted into the hanging hole 34a, and locked.

At the same time, the third operating rod 22 moves downward, and the operating plate 28 is pushed downward by the elastic force of the coil spring 29, so that the lower packing 13b is
The lower portion a descends until the upper end portion contacts the pin 33 and comes into close contact with the floor surface C.

Further, when the third operating rod 22 moves downward, the lower bar 7b is guided by the tapered surface at the tip end thereof, is inserted into the hanging hole 34b and is locked. At this time, the slope a of the lower packing 13a is pushed inward by the slope b of the lower packing 13b, and the slope a and the slope b are joined and closely contacted.

As described above, according to the present embodiment, when closing the double door 1, the lower packings 13a, 13b are brought into close contact with the floor surface C, and the upper and lower tabs 7a, 7b are hooked along the tapered surface. Since the slope b of the lower packing 13b presses the slope a of the lower packing 13a inward by being inserted into the holes 34a and 34b, the lower packings 13a and 13b are brought into close contact with the floor surface C and the lower packings 13a and 13b are called. The joints are joined closely.

In this case, since the joining portions of the lower packings 13a and 13b have the slopes a and b, the sealing performance between the joining portions is improved.

As described above, the double door for storage according to the embodiment of the present invention has been described in detail. However, the present invention is not limited to the double door for storage described in the above embodiment. Various changes can be made in the design without departing from the spirit of the invention described in the claims.

For example, in the present embodiment, the slopes a and b are formed in the joining portion of the lower packings 13a and 13b, but the joining portion of the lower packings 13a and 13b may be formed in a vertical plane.

[0050]

As can be understood from the above description, in the double door for storage of the present invention, after the closing member is brought into close contact with the floor surface, the joining portion of one closing member is connected to the other closing member. The pressing portion in the closing direction of the door body is pressed by the combining portion, so that the gap between the door body and the floor surface can be securely closed, and the combining portion of the closing member can be securely brought into close contact with the door body. Moisture and fire resistance can be improved.

In this case, the joining portion of the closing member has a slope, so that the joining portions can be more securely joined and brought close to each other.

[Brief description of the drawings]

FIG. 1 is a front view of a double door for a storage according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a cross-sectional view of a combined portion of a double door for a storage, which is an embodiment of the present invention.

FIG. 4 is a perspective view showing a shape of a joining portion of a lower packing of a double door for a storage, which is an embodiment of the present invention.

FIG. 5 is a sectional view taken along line BB of FIG. 1;

FIG. 6 is a diagram illustrating an operation mechanism of a lower packing and a lower bar of the double door for a storage according to the embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Double door 2a, 2b Door body 3 Upper frame 4 Lower frame 5a, 5b Vertical frame 6 Hinge 7a Upper bar 7b Lower bar 8 Bar 9a, 9b Handle 10,11 Locking lock 12a, 12b, 16,26 Moistureproof and fireproof packing 13a, 13b Lower packing 14 Summing edge 15 Frame 17 L-shaped member 18 First operating rod 20 Flange 21 Second operating rod 21a, 21b Operating rod section 22 Third operating rod 22a, 28a Slot 23 Operating mechanism 27 horizontal rod 28 operating plate 29 coil spring 30, 33 pin 31 fixing plate 32 round bar 34a, 34b hanging hole a, b slope C floor

Claims (5)

(57) [Claims] 1. A frame provided at a doorway of a storage on a floor, a pair of doors housed in the frame and having a bar, and mounted on a lower part of the pair of doors, A closing member for closing a gap between a lower part of the body and the floor surface; a handle for opening and closing the pair of doors; a hook hole formed in the frame body, into which the bar is inserted and hooked; When closing the pair of doors, the closing member is brought into close contact with the floor surface by operating the handle, and then the bar is inserted into the hanging hole and latched, and the closing member of the one door is called. A double-sided door for a storage, comprising: an operating mechanism for pressing and bringing the joining portion of the closing member of the other door body into close contact with the joining portion. 2. The operating mechanism includes an operating rod connected to the handle and having the bar fixed thereto, an operating plate having a lower end fixed with the closing member, and an elastic member for urging the operating plate downward. A first elongated hole formed in a predetermined portion of the operating rod, a first pin which is vertically movably engaged in the first elongated hole and interlocks with the operating plate; And a second pin fixed to the door body and vertically movably engaged in the second long hole. The double door for a storage according to claim 1, wherein the double door is provided. 3. The double door for a storage according to claim 1, wherein the joining portion of the closing member of the pair of doors has a slope. 4. The double door for a storage according to claim 1, wherein the tip of the bar is formed in a tapered shape. 5. The double door for a storage according to claim 1, wherein the closing member is a moisture-proof / fireproof packing.