JPH08260823A - Construction for imparting seismic function to existing door frame - Google Patents

Abstract

PURPOSE: To impart seismic function to a normal door frame without changing the fitted door frame. CONSTITUTION: Seismic function is imparted to the existing door frame formed by fitting door stop side jamb 40, hanging side jamb 30, head and sill to a skeleton, and the door stop side jamb is equipped with the surface 41 opposed to the door stop side end face, the hanging side surface 42 formed in parallel with the surface 41 and the outside surface 44 formed in the opening direction of the door. A seismic auxiliary frame 70 equipped with a groove having a U-shaped section opened in the opening direction of the door is mounted to the hanging side surface, and an air-tight packing 80 is provided to the U-shaped groove. The door is so set that required clearance X2 is made from the opposed surface and that the door is brought into contact with the air-tight packing in a closing state. A door stop piece 58 overlapped with the outside surface of the door stop side jamb in a closing state in the door stop side end of the door is projected from the outside 56 of the opening side of the door to the door stop side and is formed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION This invention is applied to existing doors such as entrance doors and evacuation doors that have already been built in the frame after welding and mortar work, etc. It is related to "structure for imparting seismic performance to existing door frames".

[0002]

2. Description of the Related Art FIGS. 9 and 10 are cross-sectional views showing a door end portion of a door. FIG. 9 shows an ordinary door and a door frame, and FIG.
0 indicates a seismic-resistant door and door frame. As shown in FIG. 9, a normal door frame (here, a door-front side vertical frame) 40
In the case of, the dimension of X1 indicating the clearance between the door end side end surface 54 of the door 50A and the facing surface 41 of the door end side vertical frame 40 facing the door end side end surface 54 is set to 3 mm, and The dimension of Y1 indicating the dimension between the door end side end surface 54 of the door 50A and the hanging base side surface 42 located closest to the hanging base side (inner side) of the door front side vertical frame 40 is set to 12 mm. On the other hand, in the case of a seismic door, as shown in FIG.
The size is 13 mm and the size of Y2 is 12 mm, and the seismic performance is secured by making the size of X wider than that of a normal door frame. Thus, the door 5
In order to impart seismic resistance to 0A, it is necessary to secure a required clearance between the door end side end surface 54 of the door 50A and the door end side vertical frame 40, and for this purpose, as shown in FIG. There was no choice but to install a seismic resistant door frame as shown.

[0003]

However, according to the conventional method, when a general door frame 40 that is not dedicated to earthquake resistance is already installed, the existing door frame is removed from the frame and the earthquake resistant dedicated door frame is removed. I had to replace it with a door frame.
This replacement work not only requires the work to remove the existing door frame by scraping off the mortar and anchors that firmly join the door frame to the frame, but also installs the earthquake-resistant door frame after removing the existing door frame. Since it also requires work, there is a problem that not only the cost becomes very high, but also the construction period becomes long. By the way, as shown in FIG. 11, when the clearance X is simply increased to provide the normal door frame 40 with earthquake resistance, the dimension of Y3 becomes small, and the door 50B and the airtight packing 80 do not come into contact with each other. In addition, as a result, there is a problem that the inside and outside penetrates as shown by the arrow. The present invention has been made to solve these problems.

[0004]

In order to solve the above problems, the structure for imparting seismic performance to an existing door frame according to claim 1 is a door end side vertical frame 40, a suspension side vertical frame 30, an upper frame 10, And the lower frame 20 is applied to an existing door frame constructed by being built in a frame, and the existing vertical frame 40 on the door-end side is a closed door 50.
A facing surface 41 facing the door end side end surface 54 of the above, and a hanging base side surface 42 formed in parallel with the facing surface 41 and slightly on the hanging base side.
And an outer surface 44 formed perpendicular to the facing surface 41 in the opening direction (OUT) of the door 50.
Of the earthquake-proof auxiliary frame 70 having a U-shaped groove 73 in cross section opening in the opening direction (OUT) is attached to the hanging side surface 42, and an airtight packing 80 made of an elastic material is attached to the U-shaped groove 73. The door 50 that is rotatably attached to the suspension-side vertical frame 30 is installed such that a required clearance X2 is opened from the facing surface 41 and that the door 50 contacts the airtight packing 80 in a closed state. At the door end side end portion 55 of the door 50, there is provided a door contact piece 58 which is overlapped with the outer surface 44 of the door end side vertical frame 40 in the closed state.
It is characterized in that it is formed so as to project from the outer surface 56 on the open side of 0 to the door end side. The invention according to claim 2 is
In addition to the above configuration, the earthquake-resistant auxiliary frame 70 is formed by bending a plate material into a substantially rectangular cross section, and has a projecting folding-back portion 72 projecting and folding back in the opening direction (OUT) of the door 50. It is characterized in that the U-shaped groove 73 is formed by the projecting folded-back portion 72 and the hanging side surface 42.

Further, in the invention according to claim 3, the airtight packing mounting grooves 13, 23, 33, 43 which are built in the skeleton and open in the opening direction (OUT) of the door 50 are U-shaped in cross section.
And the airtight packing mounting grooves 13 and 2 are formed.
It is applied to an existing door frame 10, 20, 30, 40 in which an airtight packing 80 made of an elastic material is attached to 3, 33, 43, and along the inner peripheral portion of the existing door frame 10, 20, 30, 40. , The airtight packing mounting groove 13, 23, 3
An earthquake-resistant auxiliary frame 70 forming a U-shaped groove 73 is provided in parallel with 3, 43, and an airtight packing 80 made of an elastic material is attached to each U-shaped groove 73.
The door 50 rotatably attached to the
Door frame 1 facing each side end surface 51, 52, 53, 54 of
0, 20, 30, 40 facing surfaces 11, 21, 31, 4
1 is provided with a required clearance, and is installed so as to abut on each of the airtight packings 80 in a closed state,
At the door end side end portion 55 of the door 50, a door contact piece 58 that is overlapped with the outer surface 44 of the door end side vertical frame 40 in a closed state,
The structure for imparting seismic performance to an existing door frame is characterized in that it is formed so as to project from the outer surface 56 on the open side of the door 50 to the door tip side.

In addition to the structure according to any one of claims 1 to 3, the invention according to claim 4 projects toward the door tip side from the door tip side end surface 54 of the door 50. A protruding piece 59 made of a latch or dead bolt is provided,
A lock receiving member 130 having an engaging hole 134 into which the protruding piece 59 is inserted is provided on the facing surface 41 of the door-end side vertical frame 40. The lock receiving member 130 has the engaging hole 134. The formed central part 131 is bent to the hanging side, and is held on the door frame 40 by the mounting screws 150 that are inserted into the vertically elongated slots 135 formed in the upper and lower end parts 133. It is a structure that imparts seismic performance to the existing door frame. According to a fifth aspect of the invention, in addition to the configuration of the fourth aspect, the door-end side vertical frame 40
A plate-shaped lock receiving plate 110 having a rectangular hole 111 that is slightly smaller than the lock receiving hole 46 is provided in a substantially rectangular lock receiving hole 46 formed on the facing surface 41 of the lock receiving plate 110. A box-shaped receiving hole member 120 having a trapezoidal vertical cross section on the hanging side and having an opening on the hanging side is attached to the rectangular hole 111.
The lock money 130 is the trapezoidal portion 12 of the hole receiving member 120.
In addition to being bent into a trapezoid of a size compatible with 1,
Bending pieces 136 are formed at the left and right edges of the engaging hole 134 so as to be bent toward the door end side, and the bending pieces 136 are formed in the receiving hole member 1.
20 is engaged with the opening edge of the
0 is screwed to the facing surface 41 of the door-end side vertical frame 40 via the lock receiving plate 110, which is a structure for imparting seismic performance to an existing door frame.

In each of the above constructions, the required clearance means the door frame 10, 2 facing the side end surface 51.52, 53, 54 of the door 50 when the door 50 is closed.
Between the facing surfaces 11, 21, 31, 41 of 0, 30, 40 and the side end surfaces 51.52, 53, 54 of the door 50,
It is shown that a space is ensured so that seismic performance can be secured. For example, between the door end side end surface 54 of the door 50 and the facing surface 41 of the door end side vertical frame 40, X2 in FIG. The space is about 13 mm as shown.

[0008]

The structure for imparting seismic performance of the present invention is provided with a normal door frame 10, 20, 30, which is not dedicated for seismic resistance as shown in FIG.
If 40 is already installed, this existing door frame 1
It is used to add seismic resistance to 0, 20, 30, 40. The seismic resistance is given to the existing door frames 10, 20, 30, 40 by forming a U-shaped groove 73 in cross section at least inside the door-side vertical frame 40 among the door frames 10, 20, 30, 40, This is done by mounting an airtight packing 80 made of an elastic material in the U-shaped groove 73. Therefore, it is not necessary to remove the already installed door frames 10, 20, 30, 40 from the body and replace them with a seismic-resistant door frame.
It is possible to easily add seismic resistance to the existing door frames 10, 20, 30, 40.

Further, since the door 50 rotatably provided on the hanging-side vertical frame 30 is provided with a required clearance X2 from the facing surface 41 of the door-end vertical frame 40, seismic performance is ensured. It Further, since the door 50 is provided so as to be brought into contact with the airtight packing 80 so as to be closed, there is no possibility that air will penetrate inside and outside the door 50 with the door 50 closed, and airtightness can be ensured. You can In addition to the door end side vertical frame 40, the hanging side vertical frame 3
0, the upper frame 10, and the lower frame 20 are also provided with the earthquake-resistant auxiliary frame 70 inside them, and the U-shaped groove 73 is provided with the airtight packing 80.
If the structure is mounted, the non-airtight frame can be used as the airtight frame.

A lock metal 13 is provided on the facing surface 41 of the vertical frame 40 on the door end side.
When 0 is provided, the engaging hole 1 is normally used.
The door 50 can be locked by inserting a protruding piece 59 such as a latch or a dead bolt into the 34. Moreover, the lock money 130 has upper and lower end portions 13 thereof.
Since the mounting screws 150 are inserted into the vertically elongated mounting holes 135 formed in 3 to provide the door end side vertical frame 40, an earthquake occurs and the door frame 40 and the door 50 are separated from each other. When the gap is narrowed, the bent central portion 131 of the lock receiving piece 130 comes into contact with the door end side end surface 54 of the door 50, and the lock receiving piece 130 slides up and down along the mounting long hole 135. However, the door 50 is crushed toward the suspension base, and the door 50 can be easily opened.

[0011]

[Embodiments] The "structure for imparting seismic performance to an existing door frame" of the present invention will be described in more detail below. 1 and 2 are a longitudinal sectional view and a lateral sectional view showing a door 50 and door frames 10, 20, 30, 40 to which an embodiment of the structure for imparting earthquake resistance of the present invention is applied. As shown in these figures,
The seismic performance imparting structure of this embodiment is the same as the existing door frame 10,
An earthquake-resistant auxiliary frame 70 is provided on the door-end side vertical frame 40 of 20, 30, 40. Existing door frame 10, 20, 30, 40
Is composed of an upper frame 10 and a lower frame 20 that receive the upper and lower sides of the door 50, and a hanging-side vertical frame 30 and a door-side vertical frame 40 that receive the left and right sides of the door 50. Then, as shown in FIG. 2, a door 50 is rotatably provided on the hanging-side vertical frame 30 via a hinge 60. The door 50 of this embodiment is an open door that opens to the outside (OUT). The existing door frames 10, 20, 30, 40 of this embodiment are each formed by bending to have substantially the same sectional shape, but only the lower frame 20 is
The vertical dimension is slightly smaller than that of the upper frame 10 and the like.

The upper frame 10 is provided in parallel with the upper part of the door 50, and at the lower part of the outdoor side (OUT), the facing surface 1 facing the upper end surface 51 of the door 50 when the door 50 is closed.
1 is formed, and at the bottom of the indoor side (IN),
A lower side surface 12 that is parallel to the facing surface 11 is formed slightly below the facing surface 11, and has a U-shaped cross section that is open to the outside (OUT) between the lower side surface 12 and the facing surface 11. The airtight packing mounting groove 13 is formed. The lower frame 20 is provided parallel to the lower part of the door 50 and is located outside the room (OU
In the upper part of T), the facing surface 21 facing the lower end surface 52 of the door 50 in the closed state of the door 50 is formed, and in the upper part of the indoor side (IN), slightly above the facing surface 21. An upper side surface 22 parallel to the facing surface 21 is formed, and between the upper side surface 22 and the facing surface 21, an airtight packing mounting groove 23 having a U-shaped cross section opened to the outside (OUT) is formed. It becomes.

The hanging-side vertical frame 30 is provided vertically at a hanging portion of the door 50, and the door 5 is provided at the door end side on the outdoor side (OUT).
In the state in which 0 is closed, the end surface 53 of the door 50 on the hanging side
A facing surface 31 that is opposed to the facing surface 31, and a door-end side surface 32 that is parallel to the facing surface 31 is formed on the indoor side (IN) door-end side and slightly closer to the door-end side than the facing surface 31. Thus, an airtight packing mounting groove 33 having a U-shaped cross-section that is open to the outside (OUT) is formed between the door end side surface 32 and the facing surface 31. The door-end side vertical frame 40 is provided vertically on the door-end side of the door 50, and faces the door-end side end surface 54 of the door 50 on the hanging side of the outdoor side (OUT) when the door 50 is closed. The facing surface 41 is formed, and on the hanging side of the indoor side (IN), the hanging side surface 42 that is parallel to the facing surface 41 slightly on the hanging side of the facing surface 41.
Is formed, and an airtight packing mounting groove 43 having a U-shaped cross section opened to the outside (OUT) is formed between the hanging side surface 42 and the facing surface 41.

Airtight packing mounting grooves 13, 23, 3 of each frame
An airtight packing 80 made of chloroprene rubber or the like is attached to each of the parts 3 and 43. When the door 50 is closed, the airtightness is obtained by abutting against the back plate 57 on the indoor side (IN) of the door 50. Is kept. Then, an earthquake-resistant auxiliary frame 70 extending in the up-down direction is provided on the hanging side surface 42 of the door-side vertical frame 40, and the earthquake-resistant performance imparting structure of the present invention is applied.

FIG. 3 is a cross sectional view showing the door tip side in FIG. 2, and FIG. 4 is a cross sectional perspective view showing the door tip side of the door frame. The seismic resistant auxiliary frame 70 of this embodiment is formed by bending a metal plate into a substantially rectangular shape, and the open both ends thereof are bent in a direction in which they approach each other, so that the hanging-side surface 4 of the door-end side vertical frame 40 is bent.
The contact portion 74 to the second portion is formed. Further, the bent portion on the outdoor side (OUT) of the end surface 71 on the suspension side of the earthquake-resistant auxiliary frame 70 is
After being projected to the outdoor side (OUT), it is folded back to the indoor side (IN) to form a plate-shaped projecting folded-back portion 72. This seismic resistant auxiliary frame 70 has its abutting portion 74 at the door end side vertical frame 40.
It is provided on the door end side vertical frame 40 by a set screw 90 or by welding while being in contact with the suspension side surface 42. Earthquake-proof auxiliary frame 7
In order to install 0 on the door-end side vertical frame 40 with the set screw 90,
As shown in FIG. 6 and the like, by screwing the set screws 90 into the hanging side surface 42 of the door-side vertical frame 40 through the gap between the hanging side surface 71 of the earthquake-resistant auxiliary frame 70 and the abutting portion 74 at several positions in the vertical direction. Done.

In the state where the earthquake-resistant auxiliary frame 70 is fixed to the door-end side vertical frame 40, the protruding fold-back portion 72 of the door-end side vertical frame 40 forms the airtight packing mounting groove 43 of the door-end side vertical frame 40. The outdoor side (OU) for a length equal to the projecting dimension of the portion 45
T) and the projecting folded-back portion 7 of the earthquake-resistant auxiliary frame 70.
A U-shaped groove 73 having a size equal to that of the airtight packing mounting groove 43 of the door-end side vertical frame 40 is formed between 2 and the hanging side surface 42 of the door-end side vertical frame 40. The airtight packing 80 is attached and used in the U-shaped groove 73. In addition, the airtight packing mounting groove 43 of the door-end side vertical frame 40
The airtight packing 80 that has been attached to the above may be removed as shown in FIG. 2 or the like, or may be left attached. In this way, after the seismic resistant auxiliary frame 70 is installed on the existing door frames 10, 20, 30, 40, the door 50, which is slightly smaller than the existing door, is rotatably installed on the hanging side vertical frame 30 by the hinge 60. To do.

As shown in FIG. 2, the door 50 of this embodiment has a width W of 813 mm, which is 823 mm in a normal door. The clearance X2 between the door end side end surface 54 of the door 50 and the facing surface 41 facing the door end side end surface 54 is usually 3 mm, but is 13 mm, which ensures seismic performance. . In addition, the front end face 54 of the door 50 and the earthquake-resistant auxiliary frame 70
The dimension Y4 between the suspension side surface 71 and the suspension side surface 71 is set to 17 mm, so that in the state where the door 50 is closed, the airtight packing mounted on the back plate 57 and the U-shaped groove 73 on the indoor side (IN) of the door 50. 80 is reliably brought into contact with each other to ensure airtightness and sound insulation.

Further, the upper end surface 51 of the door 50 and the upper frame 10
In the case of the normal door 50A, the space between the facing surface 11 and 3 is 3 mm as shown by Z1 in FIG.
The door 50 of this embodiment has a slightly small vertical dimension, and has a seismic resistance of 6 mm as indicated by Z2 in FIG. Note that, similarly to this, a gap may be slightly widened in the lower portion of the door 50 and the suspension base side portion as compared with a normal door. Even when the gap is slightly widened in this way, as shown in FIG. 5, since the back plate 57 on the indoor side of the door 50 and the airtight packing 80 are in contact with each other, the airtightness is not impaired. Further, the outdoor side of the door-end side end portion 55 of the door 50 (OU
In T), a door-contact piece 58 protruding toward the door tip side is formed. The door-contact piece 58 is located outside the outdoor side (OUT) of the door-end side vertical frame 40 when the door 50 is closed. It has a length dimension that overlaps the side surface 44, which prevents the door 50 from unnecessarily rotating in the closing direction. Moreover, when the door 50 is closed, it also serves to hide the lock portion of the door 50.

A lock can be built in the door 50 described above. In this case, a projecting piece 59 such as a latch or a dead bolt is provided on the door end side end surface 54 of the door 50 so as to project toward the door end. These protruding pieces 59 are attached to the door 50.
It can be pushed into the hanging side by operating a knob, a lever handle, a lock or the like provided on the door end side. When the projecting piece 59 is provided, it is preferable to install the lock 100 as shown in FIG. 7 on the door-side vertical frame 40 instead of the existing lock. FIG. 7 shows FIG.
FIG. 4 is a perspective exploded view showing a state in which the lock 100 is installed on the facing surface 41 of the door-end side vertical frame 40 shown in FIG. 1, and is a state viewed from the outside (OUT). Further, FIG. 8 shows this lock receiver 10.
It is a longitudinal cross-sectional view which shows the state which attached 0 to the door-end side vertical frame 40. As shown in this figure, the lock tray 100 includes a protruding piece 59.
The lock receiving plate 110 provided in the rectangular lock receiving hole 46 formed on the facing surface 41 of the door-end side vertical frame 40 corresponding to the height at which the lock receiving plate 110 is provided, and the lock receiving plate 110 for covering the lock receiving hole 46, Lock receiving plate 110
The receiving hole member 120 is attached to the receiving hole member 120, and the lock receiving member 130 that covers the receiving hole member 120.

The lock receiving plate 110 is made of a metal plate, and has a rectangular hole 111 formed in the central portion thereof, which is slightly smaller than the lock receiving hole 46 of the door-side vertical frame 40, and has screw insertion holes 11 at both upper and lower ends.
2 is formed. In addition, a bent portion 113 that is bent perpendicularly to the door tip side is formed on the outdoor side of the central portion of the lock receiving plate 110 to enhance rigidity. The receiving hole member 120 is
A rectangular hole 1 made of a plastic material or the like in the lock receiving plate 110
11 has a trapezoidal portion 121 that is formed in a size that fits in 11, and has a hanging side projecting in the vertical direction and both left and right side surfaces thereof having a trapezoidal shape. Also, the receiving hole member 12
0 is formed with a rectangular hole 122 opened to the suspension base side. The lock receiving plate 130 is made of a metal plate, and has a central portion 131 bent into a trapezoidal shape having a size matching the trapezoidal portion 121 of the receiving hole member 120, and the central portion 13 thereof.
1 has a rectangular engaging hole 134 formed therein. Further, the upper and lower end portions 133 which are continuous with the central portion 131 via the inclined surface 132 are formed with elongated mounting holes 135 in the vertical direction.

Then, the lock 100 is attached to the vertical frame 40 on the door end side.
The lock receiving plate 110 is positioned in the lock receiving hole 46 of the door-side vertical frame 40 so as to correspond to the rectangular hole 111, and the rectangular hole 111 of the lock receiving plate 110 has a box shape of the receiving hole member 120. The base end portion 123 is inserted and mounted, and a bending piece 136 is formed in the opening 122 of the receiving hole member 120, in which both left and right edges of the engagement hole 134 of the lock receiving member 130 are bent and formed toward the door end side. In the engaged state, the mounting screw 150 is inserted into the screw insertion hole 112 of the lock receiving plate 110 through the mounting long hole 135 of the lock receiving member 130 to form a screw hole formed in the facing surface 41 of the door-end side vertical frame 40. 47
It is installed by screwing into. At this time, lock money 13
Since the mounting elongated holes 135 formed at both upper and lower end portions of 0 are formed to be long in the vertical direction, positioning can be easily performed. In addition, in FIG. 7, 140 is a washer inserted into the mounting screw 150. A protruding piece 59 on the door 50
When the lock is provided, the lock 100 is attached to the door-end side vertical frame 4
If it is installed at 0, even if the clearance between the door end side end surface 54 of the door 50 and the facing surface 41 of the door end side vertical frame 40 is large, the central portion 131 of the lock receiving 130 is on the hanging side. By being bent, the protruding piece 59 of the door 50 can be locked by causing the protruding piece 59 of the door 50 to project into the opening 122 of the receiving hole member 120 through the engagement hole 134 of the lock receiving member 130.

In the locked state of the door 50, when the clearance between the door 50 and the door frame 40 becomes small due to the occurrence of an earthquake or the like, the front end surface 5 of the door 50 is closed.
When 4 touches the central surface 131 of the lock money 130, the upper and lower end portions 133 of the lock money 130 are slid up and down, thereby crushing the central portion 131 to the door end side,
This avoids the inconvenience of making the door 50 difficult to open. When the central portion 131 is crushed toward the door end side, the mounting screws 150 fixing the lock money 130 are inserted into the vertically long mounting slots 135 formed in the upper and lower end portions 133. By this, the long slot for mounting 1
The relative movement between the screw 35 and the mounting screw 150 causes the lock money 130 to be crushed so as to overlap the facing surface 41. The receiving hole member 130 is made of thin plastic, and is provided at the opening 122 thereof so as to be engaged with the bending piece 136 formed in the engaging hole 134 of the lock money 130. If the urging force that crushes the central portion 131 acts, it will be damaged.

The structure for imparting seismic performance of the present invention is not limited to the structure of the above-mentioned embodiment, and various modifications can be made. For example,
In the above embodiment, the seismic resistant auxiliary frame 70 is attached to the door end side vertical frame 4
Although the case where it is attached only to 0 is shown, the seismic resistant auxiliary frame 70 may be installed not only on the door end side vertical frame 40 but also on the hanging side vertical frame 30 and the upper and lower frames 10 and 20. Can be used as an airtight frame. In this case, similarly to the case where the earthquake-resistant auxiliary frame 70 is installed on the door-side vertical frame 40, the earthquake-resistant auxiliary frame 70 need only be provided along the inner peripheral portion of the door. In addition, the existing door frames 10, 2 to which the structure for imparting seismic performance of the present invention is applied
The cross-sectional shape of 0, 30, 40 and the cross-sectional shape of the seismic resistant auxiliary frame 70 are not limited to the configuration of the above-described embodiment and can be appropriately changed in design. For example, as shown in FIG. The present invention can be applied even if the cross-sectional shape of No. 1 does not have the airtight packing mounting groove 43 opened to the outside of the room between the facing surface 41 and the suspension side surface 42. Furthermore, the lock receiver 100 installed in the door-end side vertical frame 40 is not limited to the configuration including the three members of the lock receiving plate 110, the receiving hole member 120, and the lock receiving member 130, but the lock receiving plate 110 and the receiving hole member. It is also possible to omit 120 and to have only the lock money 130.

[0024]

As described above, according to the structure for imparting earthquake resistance of the present invention, the general door frames 10 and 2 which are not dedicated to earthquake resistance are used.
Seismic doors can be made without removing 0, 30, and 40. That is, the existing door frames 10, 20, 30, 4
It is not necessary to remove 0 from the frame and replace it with a seismic-resistant door frame, which not only reduces costs, but also shortens the construction period.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view of a door to which an embodiment of the structure for imparting seismic performance of the present invention is applied.

FIG. 2 is a cross-sectional view of a door to which an embodiment of the structure for imparting seismic performance of the present invention is applied.

FIG. 3 is a cross-sectional view showing a door tip side of a door to which an embodiment of the structure for imparting earthquake resistance of the present invention is applied.

FIG. 4 is a cross-sectional perspective view showing a door tip side of a door to which an embodiment of the seismic performance imparting structure of the present invention is applied.

FIG. 5 is a vertical cross-sectional view showing an upper portion of a door to which an embodiment of the structure for imparting seismic performance of the present invention is applied.

FIG. 6 is a transverse cross-sectional perspective view showing a door tip side of a door to which another embodiment of the seismic performance imparting structure of the present invention is applied.

FIG. 7 is a perspective exploded view showing a door end side of a door to which another embodiment of the seismic performance imparting structure of the present invention is applied, showing a lock holder.

FIG. 8 is a vertical cross-sectional view showing a door end side of a door to which another embodiment of the seismic performance imparting structure of the present invention is applied, showing a lock.

FIG. 9 is a cross-sectional view showing a door end side of a general door that is not dedicated to conventional earthquake resistance.

FIG. 10 is a cross-sectional view showing a door tip side of a conventional seismic-resistant door.

[Fig. 11] For a general door frame that is not dedicated to conventional earthquake resistance,
It is a cross-sectional view showing a state in which a clearance is provided and seismic resistance is imparted.

FIG. 12 is a vertical cross-sectional view showing an upper portion of a general door that is not dedicated to conventional earthquake resistance.

[Explanation of symbols]

 10 Upper Frame (Existing Door Frame) 11 Opposing Surface 12 Lower Side Surface 13 Airtight Packing Mounting Groove 20 Lower Frame (Existing Door Frame) 21 Opposing Surface 22 Upper Side Surface 23 Airtight Packing Mounting Groove 30 Suspended Side Vertical Frame (Existing Door Frame) 31 Opposing surface 32 Door end side surface 33 Airtight packing mounting groove 40 Door end side vertical frame (existing door frame) 41 Opposing surface 42 Suspension side surface 43 Airtight packing mounting groove 44 Outer side surface 45 Protruding folding portion 46 Lock receiving hole 50 Door 51 Upper end surface 52 Lower end surface 53 Suspension side end surface 54 Door end side end surface 55 Door end side end portion 56 Front plate 57 Back plate 58 Door contact piece 59 Projecting piece (latch, dead bolt, etc.) 60 Hinge 70 Seismic auxiliary frame 71 Suspension side surface 72 Protruding folded-back portion 73 U-shaped groove 74 Abutment portion 80 Airtight packing 90 Set screw 100 Lock receiving 110 Lock receiving plate 111 Rectangular hole 120 Receiving hole member 121 Trapezoidal portion 122 Opening 130 Lock receiving 131 Central part 133 Upper and lower end parts 134 Engaging hole 135 Long slot for mounting 136 Bending piece 150 Mounting screw

Claims (5)

[Claims] 1. The present invention is applied to an existing door frame in which a door-end vertical frame, a hanging-side vertical frame, an upper frame, and a lower frame are built in a frame, and the existing door-end vertical frame is in a closed state. A facing surface facing the door end side end surface of the door, a hanging side surface formed in parallel with the facing surface and slightly on the hanging side, and an outer surface formed perpendicular to the facing surface in the opening direction of the door. An earthquake-resistant auxiliary frame having a U-shaped cross-section groove that opens in the opening direction of the door is attached to the hanging side surface, and an airtight packing made of an elastic material is attached to the U-shaped groove. The door rotatably attached to the hanging-side vertical frame is installed such that a required clearance is provided from the facing surface and is brought into contact with the airtight packing in a closed state. At the end, a door stop piece that is overlapped with the outer surface of the door end side vertical frame in the closed state, Seismic providing structure to the existing door frame, characterized in that formed by protruded door leading side from the outer surface of the open side of the store. 2. The seismic resistant auxiliary frame is formed by bending a plate material into a substantially rectangular cross section, and has a projecting folded-back portion projecting and folded back in the opening direction of the door. The seismic performance imparting structure for an existing door frame according to claim 1, wherein the U-shaped groove is formed with the suspension base side surface. 3. An airtight packing mounting groove having a U-shaped cross section, which is built in the frame and opens in the opening direction of the door, is formed, and the airtight packing made of an elastic material is mounted in the airtight packing mounting groove. It is applied to an existing door frame, and along the inner circumference of this existing door frame, an earthquake-resistant auxiliary frame is provided that forms a U-shaped groove in parallel with the airtight packing mounting groove. An airtight packing made of a material is attached, and the door rotatably attached to the suspension-side vertical frame is provided with a required clearance from each facing surface of the door frame facing each side end surface of the door, and A door-stopping piece, which is installed so as to be in contact with each of the airtight packings in a closed state and overlaps with an outer surface of the door-side vertical frame in a closed state, is provided at an end of the door on the door-end side. Formed from the outer surface of the Seismic performance providing structure to the existing door frame, characterized in that it consists Te. 4. The door end side end surface of the door is provided with a projecting piece formed of a latch or a dead bolt projecting toward the door front side, and the projecting piece is projected into the facing surface of the door side vertical frame. A lock receiving metal having an engaging hole formed therein is provided, and the lock receiving metal is formed at the upper and lower end portions while the center portion having the engaging hole is bent toward the hanging side. An existing door frame according to any one of claims 1 to 3, characterized in that it is held on the door frame by a mounting screw that is inserted through the mounting long slot that is long in the vertical direction. Seismic performance imparting structure. 5. A plate-shaped lock receiving plate having a rectangular hole slightly smaller than the lock receiving hole formed in the substantially rectangular lock receiving hole formed on the facing surface of the door-end side vertical frame, In the rectangular hole of this lock receiving plate, a hanging side is formed in a trapezoidal vertical cross section, and a box-shaped receiving hole member opened to the hanging side is attached, and the lock receiving is a trapezoidal part of the receiving hole member. Is bent into a trapezoidal shape having a size compatible with, and bent pieces are bent and formed on the left and right edges of the engagement hole toward the door end side. 5. The seismic performance of the existing door frame according to claim 4, wherein the mounting screw is screwed to the facing surface of the door-end side vertical frame via the lock receiving plate. Grant structure.