JP2004060381A - Door device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a costless door device capable of extremely improving the sound insulation property or the airtight property as compared with conventional cases by adding a simple constitution to a conventional structure. <P>SOLUTION: A door body 4 in which a sound insulating material 3 such as rockwool is filled is mounted to a door frame 1 to be freely openable in a hinge 2. An air-tight packing 5 is arranged so as to bring into contact with the door body 4 closed protrusively from a door frame 1 side housing groove 8. In the door device, the door frame 1 side housing groove 8 is positioned in the inner side than the hinge shaft center 2a and the contact face with the air-tight packing 5 of the door body 4 is positioned a little inward than the peripheral end of the door body. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a door device having sound insulation performance or airtight performance.
[0002]
[Prior art]
A door device having sound insulation performance, which is called semi- (air) tight, secures airtightness by packing, but as shown in FIG. 17, it can be opened and closed by a hinge 2 with respect to a door frame 1 fixed to the building frame side. When the door body 4 filled with the sound insulating material 3 such as rock wool is attached, a rubber airtight packing 5 is provided on the door frame 1 side, and when the door body 4 is closed, the peripheral surface of the door body 4 is attached to the airtight packing 5. It comes into contact.
[0003]
[Problems to be solved by the invention]
However, in such a semi- (air) tight door device, when the door body 4 is closed, the door body 4 hits the side surface of the airtight packing 5 and is pushed into the door frame 1 side which is the hanging side. It is difficult to keep tight. Further, the hermetic packing 5 is greatly crushed, and a load is applied to the opening and closing of the door body 4.
[0004]
By rotating the handle, the lock body moves the rod up and down, and the rod is locked and released from the lock receiver. Also, the operability is troublesome.
[0005]
An object of the present invention is to eliminate the disadvantages of the conventional example and to add a simple configuration to the conventional structure, thereby making it possible to significantly improve the sound insulation performance or the airtightness without increasing the cost. To provide a door device.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the present invention firstly attaches a door body filled with a sound insulating material such as rock wool to a door frame so as to be openable and closable with a hinge, and projects an airtight packing from a storage groove on the door frame side. In the door device arranged so as to contact the door body in the closed state, the storage groove on the door frame side is located inside the hinge axis, and the contact surface of the door body with the airtight packing is placed around the door body. The point is that it is slightly inward from the end.
[0007]
Secondly, the door body is a double-sided door having a mating, and the mating portion is formed so that the planar shape of the gap between the two door bodies in the vertical direction is bent in a hook shape. An airtight packing is projected from a storage groove of a door stop member projecting from one of the door bodies so as to close the end portion. Thirdly, an upper part of the door body on the side where the door stop member is provided has a vertical Fourth, a rubber plate closing a vertical end of a gap between both door bodies is provided so that a part thereof is in contact with a horizontal frame rubber packing on a door frame side. The gist is that the fin-shaped seal member protrudes from the lower side with a parallel interval in the vertical direction, and both ends of the fin-shaped seal member are brought into contact with the shoe slide.
[0008]
Fifth, the door body is a double-sided door having a mating. The mating portion is provided as a substitute for a door stop member by projecting a flat plate from the door body so as to extend in the vertical direction. The gist is that a rubber magnet is disposed on a surface to which another door body contacts.
[0009]
According to the first aspect of the present invention, the storage groove on the door frame side is located inside the hinge axis, and the contact surface of the door main body with the airtight packing is slightly inward from the peripheral end of the door main body. Compared to the conventional example (see FIG. 17) in which the center of rotation of the door main body, which is the hinge axis, and the airtight packing are arranged in a straight line without an angle (see FIG. 17), they are arranged in a slanting oblique direction, and the distance between the doors is different. Becomes longer.
[0010]
As a result, it is possible to position the hinge axis so that the rotation trajectory of the door main body hardly overlaps with the airtight packing. You won't be crushed.
[0011]
According to the present invention as set forth in claim 2, in addition to the above-mentioned operation, the airtightness of the mating portion is improved when the door main body is a double-sided door having a mating. Since the plane shape of the gap between the door bodies is formed so as to be bent in a hook shape, air and sound do not pass straight through the gap between both door bodies, and the sound insulation performance can be improved.
[0012]
According to the third aspect of the present invention, in addition to the second aspect of the present invention, the vertical end of the gap between the two door bodies in the vertical direction can be reliably closed by the rubber plate. it can.
[0013]
According to the fourth aspect of the present invention, in order to make the shoe slide flat so that no step is formed in a barrier-free or the like, the lower side of the door body cannot be shielded by a rubber airtight packing provided on the door frame. However, the gap between the lower side of the door body and the shoe slide is double-sealed with a fin-shaped seal member at a parallel interval in the thickness direction of the door body, so that sound can be reliably shielded.
[0014]
According to the fifth aspect of the present invention, it is possible to improve the airtightness of the mating portion when the door body is a double door having the mating, and can be realized with a simple configuration of the eye plate and the rubber magnet. Can be.
[0015]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a cross-sectional plan view showing an embodiment of the door device of the present invention, FIG. 2 is a vertical side view of the same, and FIG. 3 is a vertical side view of a mating portion. Air) A door body 4 filled with a sound insulating material 3 such as rock wool is attached to a door frame 1 fixed to a building frame side as a tight door device so as to be openable and closable with a hinge 2, and a rubber airtight packing 5 is attached to the door frame. When the door body 4 is closed by being provided on one side, the peripheral surface of the door body 4 comes into contact with the airtight packing 5.
[0016]
In this embodiment, the door body 4 is formed to be thicker than the conventional example shown in FIG. 17 (the conventional 40 mm is changed to 55 mm). However, the thickness of the door body 4 is not particularly limited. The same size up to 55 mm can be selected as appropriate.
[0017]
In this embodiment, the door frame 1 is a steel hollow frame body filled with mortar 6 and provided on the building skeleton side. A projecting portion having a door stop 7 toward the inside of the periphery is provided inside (the sound source side). The door stop 7 was formed with a storage groove 8 for storing and arranging the rubber airtight packing 5. When the door frame 1 is mounted on a wall in which the sound insulating board is accommodated, rock wool may be inserted instead of the mortar 6. In the notation of the figure, the case where the sound does not go outside from the machine room etc. However, as another embodiment, the inside may be a sound receiving side and the outside may be a sound source side.
[0018]
As shown in FIG. 15, a rubber hermetic packing 5 has a dome-shaped cross section and a main body portion 5b having a hollow portion 5a formed therein, and mounting legs projecting from a base end of the main body portion 5b and having a hollow rectangular cross section. 5c. Further, a groove 5d is formed in the length direction of the inner peripheral surface of the main body portion 5b to improve the flexibility, so that when an external force is applied to the main body portion 5b, the hermetic packing 5 is easily elastically deformed. Fins 5e were formed on the side surfaces of the mounting leg 5c.
[0019]
The hermetic packing 5 is formed to have a long cross section. The airtight packing 5 is preferably made of rubber, but may be formed of plastic or other various elastic materials. The hermetic packing 5 is appropriately cut to fit the length of the door stop 7.
[0020]
In the figure, reference numeral 10 denotes a caulking material for filling a gap with the building frame, but this may be omitted.
[0021]
The hinge 2 is a flat plate-shaped hinge referred to as a pivot hinge. In the present invention, the storage groove 8 on the door frame 1 side is located inside the axis 2a of the hinge 2 (inward in the plane of the door frame 1). ).
[0022]
As a result, as shown in FIG. 17, the center of rotation of the door main body 4, which is the shaft core 2a, and the airtight packing 5 are arranged in an oblique direction with an inclination angle, and the mutual distance is somewhat longer than in the conventional case. As a result, the contact surface of the airtight packing 5 of the door main body 4 can be made slightly inward from the peripheral end of the door main body 4. In addition, the shaft core 2a can be positioned so that the rotation trajectory of the door body 4 hardly overlaps the airtight packing 5, and when closing the door body 4, the corner of the door body 4 is moved to the side of the airtight packing 5. There is no possibility that the airtight packing 5 is greatly crushed against the part.
[0023]
The door body 4 as shown in FIG. 1 is a double door having a mating portion 11, and the mating portion 11 has a gap 12 between the two door bodies 4 in the vertical direction. A cutout step 23 is formed in one corner of the door body 4 on the sound receiving side in the vertical direction, and a protruding piece 13 that enters the cutout step 23 from the corner of the other door body 4 has the same length. Formed in the vertical direction.
[0024]
On the other hand, on the sound source side, a door stop member 14 is protruded from one door body 4 so as to cover the outer surface of the other door body 4, and the storage groove 8 for the airtight packing 5 is formed in the door stop member 14. Then, the hermetic packing 5 is housed in the storage groove 8 so as to partially protrude, and is brought into contact with the outer surface of the other door body 4 in a state where the hermetic packing 5 is closed.
[0025]
In this manner, the planar shape of the gap 12 between the two door bodies 4 in the vertical direction is formed so as to be bent in a hook shape, and the end of the gap 12 is closed by the airtight packing 5.
[0026]
Further, a rubber plate 15 for closing the end of the gap 12 between the two door bodies 4 in the vertical direction is provided on the upper and lower portions of the door body 4 on the side where the door stop member 14 is provided.
[0027]
As shown in FIG. 8, the rubber plate 15 is a small piece having an inverted L-shape, and the vertical portion 15a is adhered and fixed to the door stop member 14 so that the vertical portion 15a is aligned with the airtight packing 5, and the horizontal portion 15b is formed of the door stop member 14. The horizontal portion 15b is provided with a notch groove 15c at the upper end, and the notch groove 15c is engaged with the horizontal frame rubber packing 16 on the door frame 1 side. The plate 15 was brought into contact with the horizontal frame rubber packing 16. The rubber plate 15 may be configured such that the locking projections are projected and the locking projections are inserted and locked into holes provided in the door stop member 14.
[0028]
5 to 7 show the arrangement state of the rubber plate 15, FIG. 5 shows the engagement with the upper horizontal rubber packing 16, FIG. 6 shows the horizontal portion 15b, and FIG. You can see the ratio of the parts.
[0029]
By adopting the above configuration, when the door body 4 is closed at the hanging point, the corners of the door body 4 do not hit the side portions of the airtight packing 5 so that the airtight packing 5 is not greatly crushed. Since the contact surface of the door main body 4 with the airtight packing 5 is slightly inward from the peripheral end of the door main body 4, tightness is improved, and a gap for sound or air to escape can be formed as a bent one. Prevention of slip-through is achieved.
[0030]
Also, in the mating portion 11, since the plane shape of the gap 12 between the two door bodies 4 in the up-down direction is formed so as to be bent in a hook shape, air or sound is generated between the two door bodies 4. Does not escape straight, and the sound insulation performance can be improved.
[0031]
Further, a vertical end of the gap 12 between the two door bodies 4 in the joining portion 11 is closed by a rubber plate 15.
[0032]
FIG. 11 shows a second embodiment of the present invention, which is a one-sided case. Even in the case of the one-sided opening without such a mating portion, the airtight packing 5 is not significantly crushed at the hanging point, and the airtightness is improved.
[0033]
FIG. 12 shows a third embodiment of the present invention, and the shoe slide 17 is flat without any door stop as used for barrier-free or the like. Since there is no door stop, packing cannot be provided. Therefore, the fin-shaped seal member 18 protrudes from the lower side of the door body 4 with a parallel interval in the thickness direction, and both ends thereof are slid while being in contact with the shoe slide 17.
[0034]
The fin-shaped seal member 18 is made of rubber, has a channel shape, and has a fin-shaped side wall. Since the lower side closing plate 19 of the door body 4 is a channel plate, it is inserted into the channel-shaped plate 20 so as to be fitted therein, and is screwed.
[0035]
As a fourth embodiment of the present invention, when the door main body 4 is a double door having the mating portion 11, one of the door main bodies 4 in the mating portion 11 has an inner (sound receiving side) corner. The notch step 23 is formed in the vertical direction, and the protruding piece 13 that enters the notch step 23 from the corner of the other door body 4 is also formed in the length direction in the same manner as the first embodiment. In the same manner, as an alternative to the door stop member, a flat plate 22 is projected from the door body 4 so as to extend in the vertical direction, and the rubber magnet 21 is attached to a surface of the second plate 22 which is in contact with the door body 4. It was arranged.
[0036]
The eye plate 22 can be easily attached to the door main body 4 by screwing, and the rubber magnet 21 may be slightly larger than the eye plate 22 and have an end protruding.
[0037]
In the joining section 11 when the door main body 4 is closed, the rubber magnet 21 is attracted to the other door main bodies 4 by magnetic force, and airtightness can be maintained.
[0038]
In the above-described embodiment, an example of a sound insulation door has been described. However, the present invention can be applied to, for example, a semi- (air) tight type door in a pre-loading room leading to a clean room in terms of enhancing airtightness. .
[0039]
【The invention's effect】
As described above, the door device of the present invention can significantly improve the sound insulation performance or the airtightness compared to the conventional structure without adding cost by adding a simple configuration to the conventional structure. is there.
[Brief description of the drawings]
FIG. 1 is a cross-sectional plan view showing a first embodiment of a door device of the present invention.
FIG. 2 is a longitudinal sectional side view showing a first embodiment of the door device of the present invention.
FIG. 3 is a longitudinal sectional side view of a mating portion showing the first embodiment of the door device of the present invention.
FIG. 4 is a rear view of a main part showing the first embodiment of the door device of the present invention.
FIG. 5 is a sectional view taken along line AA of FIG. 3;
FIG. 6 is a sectional view taken along line BB of FIG. 3;
FIG. 7 is a sectional view taken along line CC of FIG. 3;
FIG. 8 is a perspective view of a rubber plate.
FIG. 9 is an overall front view showing the first embodiment of the door device of the present invention.
FIG. 10 is an overall plan view showing the first embodiment of the door device of the present invention.
FIG. 11 is a cross-sectional plan view showing a second embodiment of the door device of the present invention.
FIG. 12 is a vertical sectional side view showing a third embodiment of the door device of the present invention.
FIG. 13 is a cross-sectional plan view showing a fourth embodiment of the door device of the present invention.
FIG. 14 is a vertical sectional side view showing a fourth embodiment of the door device of the present invention.
FIG. 15 is a sectional view of an airtight packing.
FIG. 16 is a cross-sectional plan view of a main part showing a rotational movement of the door device of the present invention.
FIG. 17 is a cross-sectional plan view of a main part showing a rotational movement of a conventional door device.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Door frame 2 ... Hinge 2a ... Shaft core 3 ... Sound insulation material 4 ... Door main body 5 ... Airtight packing 5a ... Hollow part 5b ... Body part 5c ... Mounting leg part 5d ... Groove 5e ... Fin 6 ... Mortar 7 ... Door 8 ... storage groove 10 ... caulking material 11 ... mating part 12 ... gap 13 ... protruding piece 14 ... door stop member 15 ... rubber plate 15a ... vertical part 15b ... horizontal part 15c ... notch groove 16 ... horizontal frame rubber packing 17 ... shoes Slider 18: fin-shaped seal member 19: lower-side closing plate 20: abutment plate 21: rubber magnet 22: eye plate 23: cutout step

Claims (5)

A door body filled with sound insulation material such as rock wool is attached to the door frame so that it can be opened and closed freely with a hinge, and the airtight packing protrudes from the storage groove on the door frame side and is arranged so as to abut on the closed door body The storage groove on the side of the door frame is located inside the hinge axis, and the contact surface of the door body with the airtight packing is slightly inward from the peripheral end of the door body. . The door body is a double door having a mating, and the mating portion is formed so that a planar shape of a gap between both door bodies in a vertical direction is bent like a hook, and an end of the gap is closed. The door device according to claim 1, wherein the airtight packing projects from a storage groove of a door stop member that protrudes from one of the door bodies so as to perform the operation. A rubber plate for closing the vertical end of the gap between the door bodies in the vertical direction is provided on the upper part of the door body on the side where the door stop member is provided, a part of which is a horizontal frame rubber packing on the door frame side. The door device according to claim 2, wherein the door device is provided so as to abut the door. The door device according to any one of claims 1 to 3, wherein the door body projects a fin-shaped seal member from a lower side thereof at a parallel interval in a thickness direction, and both ends of the fin-shaped seal member are brought into contact with a shoe slide. The door body is a double-sided door having a mating, and the mating part is provided as a substitute for a door stop member by protruding a flat plate into the door body so as to extend in the vertical direction. The door device according to claim 1 or 4, wherein a rubber magnet is disposed on a surface that the main body contacts.

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