JP3435131B2 - Door sealing equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sealing device that seals a gap above and below a door.

[0002]

2. Description of the Related Art Conventionally, sliding doors and hinged doors are fireproof,
In order to improve sound insulation and water / airtightness, there were some devices that were devised such as using springs to eliminate the gap between the top and bottom of the door.
As for folding doors, the clearance between the top and bottom of the door is required due to its function, and fireproof performance, sound insulation performance, and water / airtight performance were not particularly required.

Even so, in the case of a general folding door having two or more sheets of the same size, the above-mentioned performance requirements are met by installing a door-stop-like object from the beginning to eliminate the gap between the upper and lower gaps. Can be satisfied. However, in this case, since a door-like projection is required on the floor, there is a problem that a step is formed on the floor and the floor cannot be flattened.

[0004]

For this reason, when it is desirable to have a step on the floor, such as in a bathroom,
The above structure is generally not adopted unless there is a difference in level on the floor.

Further, regarding folding doors composed of two or more differently sized doors, which are often used for the entrances and exits of telephone boxes, since the two doors have different sizes, the doors can be mounted in the direction perpendicular to the rail. Since they intersect, it was impossible to achieve the above performance.

The present invention has been made in view of the above circumstances, and an object thereof is to achieve fireproofing, sound insulation, water / airtightness, without forming projections or steps on the floor or door frame. The object is to provide a door sealing device that can be used.

[0007]

In order to solve the above-mentioned problems, the invention described in claim 1 is a sealing device for sealing between an edge portion of a door and a sealed surface facing the edge portion. (A) A storage space that is provided along the longitudinal direction of the edge portion and has an opening on the side facing the surface to be sealed; A seal member which is provided in the contact member and is capable of contacting and sealing the surface to be sealed when protruding from the opening,
(C) The storage space is arranged so as to face the seal member on the side farther away from the sealed surface than the seal member, and is immovable in the direction of approaching and separating from the sealed surface and of the edge portion. A slider provided so as to be movable in the longitudinal direction, (d) a first magnet fixed to one end of the slider in the longitudinal direction, and (e) a separating member which is separated from the first magnet when the door is opened. A second magnet attached to face the first magnet so as to attract the first magnet,
(F) A third magnet fixed to the seal member with the direction of the magnetic force lines oriented in the longitudinal direction of the seal member; and (g) the direction of the magnetic force lines arranged facing the third magnet and oriented in the longitudinal direction of the slider. And a fourth magnet fixed to the slider toward the slider, the slider being positioned at an initial position by the attraction force of the first magnet and the second magnet in the fully closed state of the door, and The seal member is urged in a direction of separating from the slider by a repulsive force generated between the third magnet and the fourth magnet, and the door is separated from the separating member by the opening operation of the door, and the first magnet is generated. When the attraction force of the second magnet weakens, the slider moves from the initial position due to the repulsive force generated between the third magnet and the fourth magnet, and the third magnet and the fourth magnet move relatively. The third magnet and the Attracting force generated between the magnets increases, the sealing member is configured to be biased in a direction to approach the slider, and the door first door
Door with a body and a second door body rotatably connected to each other
And each of the first door body and the second door body has a front
The storage space, the seal member, the slider, and the first
A magnet, the third magnet, and the fourth magnet are provided, and
The door body and the second door body are the separating members of the other door body.
And the first magnet of the first door body is the second magnet of the second door body.
Functioning as the first magnet of the second door body,
It is characterized by functioning as two magnets .

In the door sealing device according to the first aspect of the present invention, when the door is fully closed, the seal member is urged in the direction away from the slider by the repulsive force of the third magnet and the fourth magnet. The member projects from the opening of the storage space and abuts the surface to be sealed, and seals between the edge of the door and the surface to be sealed. This improves fire protection, sound insulation, and water / airtightness between the edge of the door and the sealed surface. Sanawa
The fire protection, sound insulation, and water / air protection of folding doors, which were previously considered difficult
Dense performance is improved.

Further, when the door is opened, the slider is moved from the initial position due to the opening operation of the door.
The attraction force between the magnet and the fourth magnet urges the seal member toward the slider, and as a result, the seal member moves toward the slider and separates from the sealed surface. Then, the opening operation is continued with the seal member separated from the sealed surface.

According to a second aspect of the present invention, in the first aspect of the present invention, a plurality of sets of the third magnet and the fourth magnet are arranged so as to face each other. With this configuration, the operation of the seal member moving in the direction approaching the slider or moving in the direction separating from the slider is ensured, and the entire area can be instantly sealed.

According to a third aspect of the invention, in the invention of the first or second aspect, the seal member is
It is characterized in that at least an exposed portion of a portion projecting from the opening of the storage space when the door is closed is formed of a fireproof rubber. With this configuration,
Fireproof performance is further improved.

The invention described in claim 4 is the invention according to any one of claims 1 to 3, characterized in that an initial position adjusting means for adjusting the initial position of the slider is provided. With this configuration, the direction in which the slider moves from the initial position can be reliably set to a desired direction when the door is opened, and the normal operation of the seal member can be ensured.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, illustrating one embodiment of a sealing device of a door according to the invention from FIG. 1 with reference to the drawings of FIG. 17. The folding door is attached to the entrance of the toilet, etc., FIG. 1 is a front view of the folding door viewed from the outside, FIG. 2 is a rear view of the folding door, FIG. 3 is a plan view of the folding door, and FIG. is there.

The folding door 100 is provided with a small door (first door body) 110 and a large door (second door body) 120 made of metal such as steel plates having different width dimensions. In this embodiment, the small door 110 is provided.
The width of the large door 120 is set to approximately 1: 2.
The small door 110 is rotatably attached to the vertical rail 210 of the door frame 200 via the hinge 1. The large door 120 is rotatably connected to the side of the small door 110 opposite to the vertical crosspiece 210 via the hinge 2, whereby the small door 11 is rotated.
0 and the large door 120 are foldably connected.

Further, the large door 120 has a swivel shaft 3 at the center in the width direction, and the swivel shaft 3 travels on a rail 221 provided on an upper rail (sealed surface) 220 of the door frame 200. The large door 12 is connected to the chassis 5 including the roller 4.
0 is suspended and supported by a rail 221, and is rotatably supported by the turning shaft 3 as a fulcrum. Large door 12
0 is provided with a puller 6 on its front surface (outdoor side) without the hinge 2, and with a puller 7 on its back surface (indoor side) with the hinge 2. ing.

Further, the folding door 100 is provided with an electric opening / closing support mechanism. More specifically, the electric drive unit 8 is attached to the interior side of the upper rail 220 of the door frame 200, and the arm 9 pivotally operated by the electric drive unit 8 is horizontally provided below the electric drive unit 8. There is. A slider 10 is attached to the tip of the arm 9, and the slider 10 is movably engaged in a rail 11 that is horizontally fixed to the upper portion of the large door 120 on the front side.

The electric drive unit 8 is, for example, based on the detection result of a switch operation for automatic opening and closing by a wheelchair user, various sensors, or the detection result of the load applied to the pull tabs 6 and 7. To turn. Orido 100
When the electric drive unit 8 swivels the arm 9 to the indoor side with the arm closed, the large door 120 causes the swivel shaft 3 to move as the arm 9 swivels.
The roller 4 rotates around the
The inside of 1 is moved toward the small door 110. Also, as the large door 120 rotates, the small door 110 connected by the hinge 2
Also rotates via the hinge 1 of the vertical bar 210. as a result,
Small door 110 and Daitobira 120 open while being folded as shown by the two-dot chain line in FIG. 3. This is the opposite when closing, and at that time the electric drive unit 8 turns the arm 9 in the opposite direction.

Lower rail 230 of door frame 200 (sealed surface)
Has a structure without steps as shown in FIG. Then, when the folding door 100 is fully closed, the small door 110 and the large door 1
The seal device 20 is provided between the upper edge 220 and the upper rail 220, and between the lower edge of the small door 110 and the large door 120 and the lower rail 230.
It is designed to be sealed by. The sealing device 20 for sealing the space between the folding door 100 and the upper rail 220 is also the folding door 1.
00 and the lower rail 230 have the same configuration and the same operation, and therefore the sealing apparatus 20 for sealing the lower rail 230 will be described below. The description of the sealing device 20 that seals the gap with the portion 220 will be omitted.

FIG. 5 is a longitudinal sectional view of the sealing device 20 provided between the lower edge of the small door 110 and the large door 120 and the lower bar 230, FIG. 6 is a lateral sectional view of the same, and FIG. FIG. 7B is an enlarged vertical sectional view of the sealing device at the connecting portion between the small door 110 and the large door 120, and FIG. 7B is a sectional view taken along line I-I of FIG. 7A. A case 21 that extends horizontally along the width direction is fixed to the inside of the lower edge of the large door 120. Case 21
Has a lower portion facing the lower rail 230 as an opening 22 that opens over its entire length, and an upper side of the opening 22 is a storage space. This storage space is the case 21
The upper and lower sides are a slider storage space 24 and a seal member storage space 25, respectively.
In addition, a pair of ridges 26,
26 are provided so as to face each other.

A slider 30 is provided in the slider storage space 24.
Is movably inserted in the width direction of the large door 120. The slider 30 is shown in FIGS. 5 and 6 with a frame 31 made of an aluminum sash having a U-shaped cross section with an open bottom, a first magnet 32 fixed to the end of the frame 31 on the small door 110 side. As described above, the third magnet 33 is fixed and arranged at equal intervals from the position slightly separated from the first magnet 32 to the vicinity of the other end, and the length is slightly shorter than the width dimension of the large door 120. Is formed.

The first magnet 32 is arranged so that the direction of the lines of magnetic force is large.
It is directed in the width direction of 0, and in this embodiment, the small door 11
The side close to 0 is the S pole, and the side far from it is the N pole. In addition, the case 21 is also opened on the small door 110 side.
The S pole side of the magnet 32 faces this opening. The third magnets 33 also have the lines of magnetic force oriented in the width direction of the large door 120. In this embodiment, all the third magnets 33 are small doors 1.
The side closer to 10 is the S pole, and the far side is the N pole.

The slider 30 is made immovable in the vertical direction by interposing the frame 31 between the ridges 23, 23 of the case 21 and the ridges 26, 26, and the width of the large door 120. It is mounted so that it can move only in the direction. In addition, the lower end of each third magnet 33 is connected to the ridges 23, 23.
It is projected in the opening between.

On the other hand, the seal member 40 is vertically movable (that is, close to and away from the slider 30) in the seal member storage space 25, and is immovably inserted in the width direction of the large door 120. There is. The seal member 40 includes a frame 41 made of an aluminum sash with a U-shaped cross section having an opening on the lower side, three fourth magnets 42 arranged and fixed on the upper half side of the frame 41 at predetermined intervals, and 4 magnets 4
It is located at the bottom of 2 and is fixed to the frame 41.
The seal member 43 has a length substantially equal to the width dimension of 0. The sealing material 43 is configured by coating the surface of a metal frame (not shown) such as an aluminum sash with fireproof rubber.

The fourth magnet 42 is arranged so that the direction of the magnetic force lines is large.
In the present embodiment, all the fourth magnets 42 have S poles on the side closer to the small door 110 and N poles on the far side. Each fourth magnet 42 has the slider 30 is disposed in the third magnet 33 and a position opposed to when located closest to the small door 110, therefore,
At that time, as shown in FIG. 7A, the third magnet 33 and the fourth magnet 33
Since the magnets 42 have the same poles facing each other, a repulsive force acts between the magnets 33 and 34. On the other hand, when the slider 30 moves in the direction away from the small door 110, the S pole of the third magnet 33 substantially faces the N pole of the fourth magnet 42 as shown in FIG. , 4
An attractive force acts between the two, and the attractive force moves the seal member 40 upward.

The seal member 40 is composed of a frame 41.
The lower end of the case is prevented from coming off the case 21 by being locked to the ridges 27, 27 which are bent and formed inward at the lower end of the case 21. In addition, the seal member 40 is
When the magnet is magnetically attached to the third magnet 33 and rises, the state shown in FIG.
As shown in FIG. 5, the sealing material 43 is stored in the sealing member storage space 25.

The inside of the lower edge of the small door 110 also has the same structure as the large door 120 described above. Regarding the small door 110, the same components as those of the large door 120 are designated by the same reference numerals and the description thereof will be omitted.

Next, the operation of the sealing device 20 in the folding door 100 will be described. When the folding door 100 is fully closed (state A in FIG. 3), the slider 30 of the large door 120 is located closest to the small door 110 as shown in FIG. The slider 30 is located closest to the large door 120. This is the slider 3 of the large door 120.
The S pole of the first magnet 32 at 0 and the N pole of the first magnet 32 at the small door 110 face each other extremely close to each other, so that the first magnets 32, 32 attract each other, and the slider 30 of the large door 120 becomes small. This is because the slider 30 of the small door 110 is moved to the side of the large door 120, and the slider 30 of the small door 110 is moved to the side of the large door 120.
Hereinafter, the position of the slider 30 at this time will be referred to as an initial position.
Then, at this time, the slider 30 in the large door 120
Since the third magnet 33 and the fourth magnet 42 of the seal member 40 have the same poles facing each other, a repulsive force is generated between the third magnet 33 and the fourth magnet 42, and this repulsive force causes the seal member 40 is biased in a direction away from the slider 30. As a result, the seal member 40 is pushed downward,
The sealing material 43 projects from the opening 22 of the case 21 and is pressed against the lower rail 230 of the door frame 200. FIG. 10 is a schematic perspective view of the main part of the large door 120 at this time. The same applies to the small door 110, and the sealing material 43 of the small door 110 is the lower rail 2.
Pressed against 30.

Therefore, the small door 110 and the large door 120
Since the space between the lower edge and the lower rail 230 is shielded by the sealing material 43, the sound insulation performance and the water / airtight performance are significantly improved. Moreover, since the sealing material 43 is made of fireproof rubber, the fireproof performance is also improved. In this case, the folding door 10 is used to improve the sound insulation performance, water / airtightness performance, and fire protection performance.
When the sealing member 43 is brought into contact with the lower rail 230 by fully closing 0, the lower edge of the frame 41 of the sealing member 40 is set to the case 2
Preferably dimensioned to abut the first rib 2 7.

Next, when the folding door 100 is opened from the fully closed state, the small door 110 and the large door 120 are hinged to each other as described above.
Since they rotate so as to be folded together via
8, the end plate 111 of the small door 110 on the large door 120 side and the end plate 121 of the large door 120 on the small door 110 side are separated from each other. as a result,
The S pole of the first magnet 32 in the slider 30 of the large door 120 and the N pole of the first magnet 32 in the slider 30 of the small door 110.
Since the poles are separated from each other, the attraction force between the first magnets 32, 32 is weakened. On the other hand, before the opening operation, since the third magnet 33 and the fourth magnet 42 of the large door 120 have the same poles facing each other and a repulsive force is acting, the attraction force by the first magnet 32 is weakened, and at the same time, the third magnet 33 Due to the repulsive force generated between the magnet 33 and the fourth magnet 42, the slider 30 is instantly moved in the slider storage space 24 in the direction away from the small door 110.

Then, this time, the third magnet 3 of the large door 120
Since the S pole of No. 3 approaches the N pole of the fourth magnet 42, an attractive force is generated between the third magnet 33 and the fourth magnet 42, whereby the seal member 40 is instantly lifted. In addition,
In this embodiment, three sets of magnets including the third magnets 33 and the fourth magnets 42 are distributed in the width direction of the large door 120, so that the force for lifting the seal member 40 can be increased and the seal The member 40 can be reliably raised while being held in a horizontal posture. Figure 11 is the large door 12 at this time
It is a schematic perspective view of the principal part of 0. The same applies to the small door 110. The slider 30 of the small door 110 moves in the slider storage space 24 in the direction away from the large door 120, and the seal member 40 is instantly lifted.

When the folding door 100 is in the state shown by C in FIG. 3, the S pole of the third magnet 33 and the N pole of the fourth magnet 42 in the large door 120 are magnetically attached, as shown in FIG.
The seal member 40 is held by the slider 30 by this magnetic force, and is stored in the seal member housing space 25. 12
[Fig. 3] is a schematic perspective view of a main part of the large door 120 at this time.

When the sealing member 40 is lifted up, the sealing material 43 naturally causes the lower rail 230 of the door frame 200.
Since the seal member 43 does not drag the lower rail 230 during the subsequent opening operation of the folding door 100, the opening operation is smoothly performed without increasing the resistance during the opening operation, and the seal is removed. Damage to the material 43 is also prevented.

On the other hand, when closing the open folding door 100, the large door 1 is closed until the folding door 100 is almost completely closed.
The third magnet 33 and the fourth magnet 42 of 20 are magnetically attached, and the seal member 40 is stored in the seal member storage space 25 in a lifted state. When the folding door 100 approaches the fully closed state, the end plate 121 of the large door 120 and the end plate 111 of the small door 110 approach each other, so that the first magnet 32 of the large door 120.
Between the first magnet 32 of the small door 110 and the third magnet 33 of the large door 120 and the fourth magnet
When the magnetic force of the magnet 42 is larger than that of the magnet 42, the slider 30 of the large door 120 is attracted toward the small door 110, and the slider 3
0 returns to the initial position. Then, since the third magnet 33 and the fourth magnet 42 of the large door 120 have the same poles facing each other, a repulsive force is generated between the two magnets 33 and 34, and the seal member 40 is separated from the slider 30 for an instant. Then, the sealing material 43 is pressed against the lower rail 230 of the door frame 200. As a result, the entire area between the lower edge of the large door 120 and the lower rail 230 is instantly sealed. The same applies to the small door 110. As the slider 30 of the small door 110 moves to the large door 120 side and returns to the initial position, the sealing member 40 descends and the sealing material 43 comes into pressure contact with the lower rail 230.

As described above, according to the sealing device 20, it is difficult to add the sound insulation performance, the water / airtightness performance, and the fire protection to the folding door, which has a great utility value due to the small number of rotation trajectories. It becomes possible to add performance. Further, since the seal member 40 is moved up and down by the repulsive force and the attractive force of the magnets generated between the third magnet 33 and the fourth magnet 42, the operation of the seal member 40 is reliable, and the seal device 20 is simple. Can have a different structure.

By the way, in order to operate the sealing device 20 as described above, the relative positional relationship between the third magnet 33 and the fourth magnet 42 when the slide member 30 is located at the initial position is very important. . That is, in the sealing device 20, the third magnet 3 of the large door 120 is opened when the folding door 100 is opened.
Although the seal member 40 cannot be lifted unless the slider 30 is moved in the direction away from the small door 110 by the repulsive force of the third and fourth magnets 42, the slide member 30 is located at the initial position. If the relative position of the third magnet 33 and the fourth magnet 42 during the opening is out of the predetermined positional relationship, the slider 30 is moved to the small door 11 during the opening operation.
This is because it cannot be moved in the direction away from 0.

This will be described with reference to FIGS. 13 to 15. 13 to 15 all show the state where the slider 30 is located at the initial position. FIG.
Shows the case where the third magnet 33 is located farther from the small door 110 than the fourth magnet 42 when the slider 30 is located at the initial position. When the third magnet 33 and the fourth magnet 42 have such a relative positional relationship, if the attractive force of the first magnet 32 weakens, the repulsive force between the same poles of the third magnet 33 and the fourth magnet 42 causes the slider 30 to move. Is definitely moved in a direction away from the small door 110.

However, as shown in FIG. 14 or 15, when the slider 30 is in the initial position, the third
When the magnet 33 is located closer to the small door 110 than the fourth magnet 42, when the attraction force of the first magnet 32 weakens, the same poles of the third magnet 33 and the fourth magnet 42 are generated. The repulsive force acts to move the slider 30 toward the small door 110. However, since the slider 30 is restricted from moving in a direction closer to the small door 110 than the initial position, it becomes impossible to generate an attractive force between the third magnet 33 and the fourth magnet 42, As a result, the seal member 40 cannot be lifted.

Therefore, in this sealing device 20,
By adjusting the initial position of the slider 30, the third magnet 33 and the fourth magnet 33
The initial position adjusting means 50 is provided so that the relative positional relationship of the magnets 42 can be adjusted. The initial position adjusting means 50 will be described with reference to the drawings of FIGS.

On the end plate 121 of the large door 120 on the side of the small door 110, a pair of brackets 51, 52 are attached by countersunk screws 53 at a portion corresponding to the upper side of the slider 30. One bracket 51 is immovably fixed to the end plate 121, and the other bracket 52 is fixed.
Is attached to the bracket 51 so as to be movable in the width direction of the large door 120.

More specifically, the brackets 51 and 52 are sliding pieces 51 extending in the width direction of the large door 120 and in surface contact with each other.
The brackets 51 and 52 have a and 52a, and the engaging pin 54 attached to the sliding piece 51a engages with the long hole 52b provided in the sliding piece 52a, and the brackets 51 and 52 are connected. Further, within a range in which the engaging pin 54 can move in the long hole 52b, the bracket 52 is larger than the large door 1 with respect to the bracket 51.
It can be moved in the width direction of 20.

An engaging piece 51b is bent downward at the tip of the sliding piece 51a of the bracket 51, and a vertical piece 52c is bent downward at the end of the sliding piece 52a of the bracket 52. As the vertical piece 52c abuts on the locking piece 51b, the movement range of the bracket 52 in the direction away from the small door 110 is restricted.

The flat head screw 53 is inserted through the through hole 55 provided in the end plate 121 and the bracket 51, and further penetrates through the vertical piece 52c of the bracket 52 and is screwed to the nut 56 fixed to the vertical piece 52c. The head of the countersunk screw 53 is engaged with the through hole 55 in a rotatable and non-insertable manner.
Further, the flat head screw 53 has a spring 57 inserted therein for urging the brackets 51 and 52 in a direction in which they are separated from each other in the width direction of the large door 120. The head of the countersunk screw 53 is pressed against the end plate 121 of the large door 120 by the biasing force of the spring 57, and the bracket 51 is moved to the end plate 121.
Further, the bracket 52 is pressed in a direction of separating from the end plate 121.

The bracket 52 has a horizontal piece 52d which is bent from the lower end of the vertical piece 52c toward the end plate 121. The horizontal piece 52d is placed on the top plate of the frame 31 of the slider 30. It is located as.
Further, a locking piece 52e is bent downward at the tip of the horizontal piece 52d, and the locking piece 52e is formed on the frame 31.
It can be locked at the tip of.

The initial position adjusting means 5 configured as described above
At 0, when the folding door 100 is fully closed, the large door 1
The first magnet 32 of 20 and the first magnet 32 of the small door 110 attract the slider 30 of the large door 120 to the small door 110.
Is attracted in the direction of
The end of the frame 31 of 0 is the locking piece 52 of the bracket 52.
hit e. 13 to 15 show this state, and the position of the slider 30 at this time is the initial position.

As shown in FIG. 14 or 15, when the slider 30 is located at the initial position, the third magnet 33 is moved.
As described above, when the above is located closer to the small door 110 than the fourth magnet 42, the sealing device 20 does not operate normally and the sealing member 40 cannot be lifted. Therefore, when this is done, the flat head screw 53 of the initial position adjusting means 50 is rotated in the direction of loosening with respect to the nut 56. Then, the bracket 52 is moved by the biasing force of the spring 57 in the direction away from the small door 110. As a result, the slider 30 locked to the locking piece 52e of the bracket 52 moves in the direction away from the small door 110, so that the initial position of the slider 30 can be changed. With this configuration, as shown in FIG. 13, the third magnet 3 is moved to the initial position of the slider 30.
3 can be located on the side slightly away from the small door 110 with respect to the fourth magnet 42.

It should be noted that the initial position adjusting means 50 is simplified in the drawings of FIGS. 7 to 9, and FIGS.
In FIG. 2, the initial position adjusting means 50 is omitted. When the sealing device 20 is incorporated in the folding door 100 as in this embodiment, the large door 120 serves as a separating member for the small door 110, and the small door 110 serves as a separating member for the large door 120.
Further, the first magnet 32 of the large door 120 functions as the second magnet of the small door 110, and the first magnet 32 of the small door 110 serves as the large door 12.
It can function as a second magnet of 0. Therefore, also in the above embodiment, the large door 120 and the small door 110 are not provided with the second magnets independently.
In this embodiment, the folding door 100 is equipped with the electric opening / closing support mechanism, but the sealing device 20 may be provided in the folding door which is not equipped with the electric opening / closing support mechanism.

In the above-described embodiment, the folding door 100 is newly installed in the door mounting opening of the building.
As shown in FIGS. 6 and 17, the folding door 100 including the door frame 200 can be installed in the existing door frame 500 installed in the door mounting opening of the building. Further, in that case, as shown in FIG. 17, the door frame 500 arranged below the folding door 100 may have a step 501 such as a doorway of a bathroom.

[Other Embodiments] In the present invention, in order to ensure the operation of the sealing device, it is preferable to form the sealing device and its vicinity with a non-magnetic material such as aluminum. Further, in the above-described embodiment, the sealing material 43 of the sealing device 20 is formed by coating the surface of the metal frame with the fireproof rubber.
It is also possible to make the whole 3 as fireproof rubber. Further, when applied to a door installed in a place where fireproof performance is not required, fireproof rubber may not be used. In each of the above-described embodiments, the first magnet, the second magnet, the third magnet,
Although a permanent magnet is used as the fourth magnet, it is also possible to use an electromagnet. However, the use of a permanent magnet has the advantage that the structure of the sealing device becomes simpler.

[0049]

As described above, according to the invention described in claim 1, since the seal member is moved by the repulsive force and the attractive force between the magnets, the operation of the seal member is reliable and the fire prevention, It has the excellent effects of improving the sound insulation and water / airtightness and simplifying the sealing device. In particular, fire protection for folding doors, which was previously difficult,
It has the effect of improving sound insulation and water / airtightness.

According to the second aspect of the invention, the operation of moving the seal member in the direction approaching the slider or in the direction separating from the slider is ensured, and the entire area is instantly sealed. The effect is that it becomes possible.

According to the invention described in claim 3, there is an effect that the fireproof performance is further improved. According to the invention described in claim 4, it becomes possible to surely set the direction in which the slider moves from the initial position in a desired direction during the opening operation of the door, and to ensure the normal operation of the seal member. There is an effect that can be.

[Brief description of drawings]

1 is a front view of the folding door from the outdoor side in one embodiment of the present invention.

2 is a rear view of the folding door in the form of pre-you facilities.

3 is a plan view of a folding door in the form of pre-you facilities.

4 is a longitudinal sectional view of the folding door in the form of pre-you facilities.

5 is a longitudinal sectional view of the sealing device in the form of pre-you facilities.

6 is a cross-sectional view of the sealing device in the form of pre-you facilities.

7 (a) is a longitudinal sectional view showing an enlarged main portion of the sealing device in the form of pre-you facilities, (b) is (a)
FIG. 3 is a sectional view taken along line I-I of FIG.

8 (a) is a longitudinal sectional view showing an enlarged main portion of the sealing device in the form of pre-you facilities, (b) is (a)
11 is a sectional view taken along line II-II of FIG.

9 (a) is a longitudinal sectional view showing an enlarged main portion of the sealing device in the form of pre-you facilities, (b) is (a)
FIG. 3 is a sectional view taken along line III-III of FIG.

10 is a schematic perspective view showing an enlarged main portion of the sealing device in the form of pre-you facilities.

11 is a schematic perspective view showing an enlarged main portion of the sealing device in the form of pre-you facilities.

12 is a schematic perspective view showing an enlarged main portion of the sealing device in the form of pre-you facilities.

13 is a longitudinal sectional view of the initial positioning means of the sealing device in the form of pre-you facilities.

14 is a longitudinal sectional view of the initial positioning means of the sealing device in the form of pre-you facilities.

15 is a longitudinal sectional view of the initial positioning means of the sealing device in the form of pre-you facilities.

16 is a plan view of a modification of the folding door in the form of pre-you facilities.

17 is a longitudinal sectional view of a modification of the folding door in the form of pre-you facilities.

[Explanation of symbols]

20 ... Sealing device 22 ... Opening 24: Slider storage space (storage space) 25 ... Seal member storage space (storage space) 30 ... Slider 32 ... First magnet (second magnet) 33 ... third magnet 40 ... Seal member 42 ... Fourth magnet 42 43 ... Sealing material (fireproof rubber) 50 ... Initial position adjusting means 100-folding door 110 ... Small door (first door body) 120 ... Large door (second door body) 230 ... Lower bar (sealing surface)

Claims (4)

(57) [Claims] 1. A sealing device for sealing between an edge portion of a door and a sealed surface facing the edge portion, wherein: (a) the edge portion is provided along the longitudinal direction thereof and faces the sealed surface. A storage space having an opening on the side where (b) is housed in the storage space and capable of projecting and retracting through the opening, and abutting against the surface to be sealed when protruding from the opening Possible seal members, and (c) is disposed facing the seal member on the side of the storage space that is farther from the seal surface than the seal member, and is immovable in the direction of approaching and separating from the seal surface. And a slider provided so as to be movable in the longitudinal direction of the edge portion, (d) a first magnet fixed to one end portion in the longitudinal direction of the slider, and (e) the first magnet when the door is opened. Separation member that separates from magnet A second magnet attached to face the first magnet so as to attract the first magnet, and (f) a third magnet fixed to the seal member with the direction of the magnetic force lines oriented in the longitudinal direction of the seal member, ) A fourth magnet fixed to the slider, the fourth magnet being arranged so as to face the third magnet with the direction of the magnetic force lines directed in the longitudinal direction of the slider, and in the fully closed state of the door, the first magnet and the fourth magnet. The slider is positioned at the initial position by the attractive force of the second magnet, and the repulsive force generated between the third magnet and the fourth magnet urges the seal member in a direction away from the slider. When the door is separated from the separating member by the opening operation of the door and the attraction force between the first magnet and the second magnet is weakened, the repulsive force generated between the third magnet and the fourth magnet causes the slider to move. Is the first When moved from the position, the third magnet and the fourth magnet move relative to each other and the attractive force generated between the third magnet and the fourth magnet increases, and the seal member is urged toward the slider. It is configured to be, and the door first door member and a second door member and each other times
A folding door that is movably connected to the first door body and the first door body.
Each of the two-door body, wherein said receiving space sheet seal member
And the slider, the first magnet, the third magnet, and the third magnet.
4 magnets are provided, the first door body and the second door body are mutually different
And the first magnet of the first door body.
The stone functions as the second magnet of the second door body,
The first magnet functions as a second magnet of the second door body . 2. The door sealing device according to claim 1, further comprising a plurality of sets of the third magnet and the fourth magnet arranged to face each other. 3. The seal member according to claim 1 or 2, wherein at least an exposed portion of a portion of the sealing space that protrudes from the opening when the door is closed is formed of a fireproof rubber. Item 3. The door sealing device according to item 2. 4. The door sealing device according to claim 1, further comprising initial position adjusting means for adjusting an initial position of the slider.