JPH07611Y2 - Supporting device for revolving or swinging doors - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a supporting device for a rotary or swinging door of a store or a hotel, and more particularly, to a rotary or swinging door in which upper and lower parts of a main body of tempered glass are reinforced with a metal frame. The present invention relates to a door supporting device suitable for supporting an upper part of a swinging door.

[0002]

2. Description of the Related Art A tempered glass revolving or swinging door installed at a doorway of a store and an example of a supporting device thereof will be described with reference to FIGS.

The revolving door (3) shown in FIG. 5 has a vertically elongated rectangular glass main body (4) having upper and lower portions reinforced by metal frames (5) and (6) such as aluminum. The tempered glass constituting the glass body (4) is a tempered plate glass having a large breaking strength in which a strong compressive stress layer is formed on the surface by heat treatment, and when broken by impact force,
It is a small-hazard strip that scatters and does not hurt people. The upper and lower frames (5) and (6) have a cross section H
As shown in FIG. 7, the lower groove (20) of the upper frame (5) has a cushioning material (2) at the upper edge of the glass body (4).
It is inserted and fixed through 1). Similarly, the lower frame (6) is inserted into the lower edge of the glass body (4),
Fixed. In addition, (7) shown in the right center part of the door (3) in FIG. 5 is a handle for manually opening and closing the door.

The door (3) has a top pivot (1) at the door mounting opening (2) of a building (1) such as a store wall.
1) and rotatably attached, for example, by a floor hinge (9). The floor hinge (9) is embedded in the floor (8),
This has the function of supporting the door (3) by the drive pin (10) protruding from the floor (8) and the function of automatically closing the manually opened door (3). Top pivot (11)
Supports the upper end of the door (3) on the same support line as the floor hinge (9), and its concrete structure is shown in FIGS. 6 and 7.
More will be described.

The top pivot (11) is composed of a pair of a top pivot upper portion (12) and a top pivot lower portion (13). The top pivot upper part (12) is embedded in one end of the top surface of the opening (2) of the building (1), and is fixed by a plurality of mounting screws (22). Top Pivot Lower (13)
Is fitted into one end of the upper groove (23) of the upper frame (5) of the door (3) and fixed to the bottom plate of the upper groove (23) by a plurality of mounting screws (24). It

The top pivot upper part (12) has a pin accommodating portion (25) for accommodating and holding the pivot pin (14) so as to be vertically movable.
And a pivot lever (2 that moves the pivot pin (14) up and down.
6) and a pin operating screw (27) for manually swinging the swing lever (26). Screw the pin operation screw (27)
When the rocking lever (26) is rotated to the position shown by the chain line in FIG. 6 by operating (not shown), the pivot pin (14) retracts from the upper surface of the lower part of the top pivot (13), and in this state The door (3) is inserted into the opening (2) of the building (1). After inserting this door, use the pin operation screw (27) to swing lever (26).
6 is rotated in the direction of the solid line in FIG. 6, the pivot pin (14) descends, the lower part thereof projects from the lower surface of the top pivot upper part (12), and the lower part of the top pivot fixed to the door (3) ( It is inserted into the pin hole (15) of 13).

The lower part (13) of the top pivot is an upper frame.
A flat box-shaped main body (30) fitted and fixed in the upper groove (23) of the frame (5), and a movable block housed in the main body (30) so as to be movable in the door width direction. (31), and an adjusting screw (32) penetrating the main body (30) and the movable block (31) in the door width direction. Movable block (3
A pin hole (15) is formed on the upper surface of (1), and the pivot pin (14) of the top pivot upper part (12) is inserted into the pin hole (15) through a cylindrical bearing metal material (33) such as resin. .
The adjusting screw (32) is a bar screw fastened to both sides of the main body (30) with nuts (34), and its central portion is screwed onto the movable block (31). When the pivot pin (14) is not inserted into the pin hole (15) and the head of the adjusting screw (32) exposed at the side edge of the upper frame (5) is turned by a screwdriver, the movable block (31) moves in the door width direction. By this movement, the gap between the opening (2) of the building (1) and the door (3) is adjusted as described later.

The door (3) is attached to the opening (2) of the building (1) by the following procedure. With the pivot pin (14) on top of the top pivot (12) retracted, insert the lower end of the door (3) into the drive pin (10) of the floor hinge (9) below the opening (2). , The upper part of the door (3) is held near the top of the opening (2). Position and hold the door (3) so that the pin hole (15) of the top pivot lower part (13) is directly below the pivot pin (14) of the top pivot upper part (12), Operate the pin operation screw (27) to insert the pivot pin (14) into the pin hole (15). Then, when the movable block (31) is moved relative to the door (3) in the width direction of the door by the adjusting screw (32) at the lower part of the top pivot (13), both sides of the door (3) and the opening are opened. The clearance with the part (2) is variably adjusted, and the door installation is completed.

[0009]

The door body (4) made of tempered glass of the door (3) does not easily break even if a slight impact force is applied. It does not spatter and hurt nearby people.
However, if the glass of the door (3) breaks,
Upper frame (5) supported by the door body (4)
However, it loses support from the door body (4) that is broken and becomes a piece, and causes a secondary disaster immediately after the glass is broken or suddenly falls after the glass is broken and may injure nearby people. was there.

Therefore, the object of the present invention is to
An object of the present invention is to provide a safe support device for a rotary or swinging door that prevents a secondary disaster from occurring due to a drop of the upper frame even if a door damage accident occurs.

[0011]

[Means for Solving the Problems] The present invention provides a building (1)
The upper end of one side of the door mounting opening (2) is operably protruded downward from the pin housing (25) through the swing lever (26) by the rotation operation of the pin operating screw (27), and the lower end The pivot pin (14) having a concave step portion (16) formed on the outer circumference of the part and the upper part of the upper metal frame (5) of the glass door (3) are embedded and fixed in the pivot pin (14). It has a pin hole (15) to be locked, and the pivot pin (1) is provided in a part of this pin hole (15).
4) A screw mounting hole (35) formed with a set screw (18a) that can be locked to the concave step (16) on the outer periphery of the lower end of the upper metal frame (5) of the glass door (3). )
The width of the upper metal frame (5) of the glass door (3) through the adjusting screw (32) of the movable block (31) which can be operated to project from and retract into the pin hole (15) from the driver (36). A support device for a revolving or swinging door was configured with the main body portion (30) of the top pivot (11) installed so as to be movable in any direction. Further, according to the present invention, the swing lever (2) is provided by rotating the pin operating screw (27) on one side of the door opening (2) of the building (1).
6) A pivot pin (14) projecting downward from the pin housing (25) so as to be retractable and operable, and a concave step (16) formed on the outer periphery of the lower end, and an upper metal frame of the glass door (3). It has a pin hole (15) embedded and fixed on one side of the upper part of (5) and into which the pivot pin (14) is fitted and locked, and a part of the pin hole (15) has the pivot pin ( A set screw (18b) that can be locked to the concave step portion (16) on the outer periphery of the lower end portion of 14) is provided on one door thickness direction surface of the upper metal frame (5) of the glass door (3) in the door width direction. A movable block (31) that can be retracted and operated toward the inside of the pin hole (15) with a screwdriver from a long hole (37) for attaching a screw formed in the long side of the glass door (3) via an adjusting screw (32). Can be moved in the width direction of the upper metal frame (5) And supporting device configuration of the rotating or swinging door de main body of the location the top pivot (11) and (30).

[0012]

[Function] When the pivot pin is pulled out from the pin hole by inserting the pivot pin into the pin hole of the top pivot and locking the set screw screwed into the pin hole with the recessed step portion at the tip of the pivot pin Also, the set screw is caught in the recessed part of the pivot pin, and the pivot pin does not come out of the pin hole. The retaining action of the pivot pin by the retaining screw prevents the door upper component from being unintentionally dropped when the glass door is damaged. As described above, the present invention is very simple and inexpensive for the secondary disaster caused by the drop of the top pivot (11) when the glass door is broken while maintaining the assembling property and position adjustment of the top pivot and maintaining the original pivot pin function. It can be prevented with a simple configuration, and has the advantage that no major modification is required. In addition, according to the first configuration, the hole for inserting the driver may be formed in the end surface of the door, so that it is inconspicuous and has a good appearance. Also, the second
According to the second configuration, the hole for inserting the driver is on one surface of the door (usually the surface on the inside of the door, but even if you loosen this screw, the pivot pin does not come off, so it is a particular problem for crime prevention. However, if it is covered with a tape or the like, there is no problem and there is an advantage that it can be easily dealt with whether the door is closed or open.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS.
The second embodiment is shown in FIGS. 3 and 4 and will be described. It should be noted that the same or corresponding portions in FIGS. 1 to 4 as those in FIGS. 5 to 7 are designated by the same reference numerals and the description thereof will be omitted.

The difference between the door supporting device shown in the first embodiment of FIGS. 1 and 2 and the conventional device is that the top pivot (1
The concave step portion (16) is formed on the outer circumference of the lower end portion of the pivot pin (14) in 1), and a screw hole (horizontal hole) is formed in a part of the pin hole (15) into which the pivot pin (14) is inserted ( 17
a) and set screw (18a) into this screw hole (17a)
Is that it was screwed. Pin hole (15) screw hole (17a)
Is formed in the door width direction from the center of the left side surface of the movable block (31) in FIG. 1 toward the center of the pin hole (15). The set screw (18a) is screwed into the screw hole (17a) from the side surface of the movable block (31), and the tip portion of the set screw (18a) is a concave step () of the pivot pin (14) previously inserted into the pin hole (15). 16) and engage with the upper and lower step surfaces of the concave step section (16). Corresponding to the screw holes (17a) of the movable block (31), the end plate portions of the lower part of the top pivot (13) and the upper frame (5) are penetrated in the width direction of the door and are provided with holes for screw installation (35). (36) is formed. By inserting a screwdriver (not shown) from the outside into the holes (35) and (36), the set screw (18) is inserted into the screw hole (17a).
a) is screwed manually.

The door (3) shown in FIG. 1 is mounted by adding the following screw mounting work to the conventional method. That is, as in the prior art, the door (3) is inserted into the opening (2) of the structure (1), the pivot pin (14) of the top pivot upper part (12) is lowered, and the pin of the top pivot lower part (13) is lowered. Insert in hole (15). Then, after that, the holes (35) on the side end faces of the upper frame (5) and the lower part of the top pivot (13).
Insert the driver from (36) and move the movable block (31).
The set screw (18a) is screwed into the screw hole (17a) of the, and the tip end is made to project into the concave stepped portion (16) of the pivot pin (14). Finally, the movable block (31) is moved by the adjusting screw (32) as in the conventional case, and the gap between the door (3) and the opening (2) is adjusted.

When the door body (4) made of the tempered glass of the door (3) mounted as described above is damaged by an external impact force and is scattered as a small piece, the upper frame ( 5) does not fall. That is, the glass body (4)
When the upper frame (5) loses its support due to breakage and is about to fall, the tip of the set screw (18a) comes into contact with the lower step surface of the concave step (16) of the pivot pin (14). Since the pivot pin (14) is a fixed pin supported by the top pivot (12) fixed to the top surface of the opening (2) of the structure (1), the upper frame (5) is a pivot pin. It is supported by (14) and does not fall, preventing secondary accidents due to frame drops.

Further, it is necessary to form a hole (36) for screw operation on the end surface of the upper frame (5) by adding a set screw (18a). This hole (36) is formed in the door (2). ) Is closed and in a normal state, it is hidden by the structure (1) and invisible, so that the appearance of the door (2) is not spoiled.

The second embodiment shown in FIGS. 3 and 4 is compared with the first embodiment shown in FIG.
A screw hole (17b) is formed in a part of the pin hole (15) of 3) in the door thickness direction orthogonal to the door width direction.
The difference is that a set screw (18b) is screwed on b) and the central portion is locked to the concave step portion (16) of the pivot pin (14). The screw hole (17b) is formed so as to cross the movable block (31) in the door thickness direction. Corresponding to the screw hole (17b), a horizontally long slot (37) is formed in a portion of the upper frame (5) facing the screw hole (17b). The set screw (18b) is manually screwed into the screw hole (17b) using the elongated hole (37).

The door mounting in the case of the second embodiment is the same as that of the first embodiment, and the function and effect of preventing the upper frame (5) from falling when the door breakage accident occurs are also the same as those of the first embodiment. It is similar to the case.

[0020]

[0021]

EFFECTS OF THE INVENTION According to the present invention, the recessed stepped portion at the lower end of the pivot pin inserted into the pin hole of the top pivot and the locking of the set screw screwed into the pin hole locks the pivot pin from the pin hole. The slip-out is prevented, which prevents the accidental fall of the door upper part when a glass door is broken, thereby providing a highly safe revolving or swinging door. In particular, in a revolving or swinging door in which the upper and lower parts of the tempered glass body are reinforced with a metal frame, it is effective in preventing secondary accidents due to the fall of the upper frame. is there. As described above, the present invention is very simple and inexpensive for a secondary disaster caused by the dropout of the top pivot (11) when the glass door is damaged, while maintaining the original pivot pin function and the assembling property of the top pivot. It can be prevented with a simple configuration, and has the advantage that no major modification is required. In addition, according to the first configuration, the hole for inserting the driver may be formed in the end surface of the door, so that it is inconspicuous and has a good appearance. Further, according to the second configuration, the hole for inserting the driver is on one surface of the door (usually the surface on the indoor side, but even if this screw is loosened, the pivot pin does not come off, so the crime prevention is performed. Above, there is no particular problem, and it is exposed on the outer surface side), but if it is covered with a tape or the like, there is no problem and there is an advantage that it can be easily dealt with whether the door is closed or open.

[Brief description of drawings]

FIG. 1 is a front view of a main part including a partial cross section showing a first embodiment of the present invention.

FIG. 2 is an enlarged sectional view taken along the line AA of FIG.

FIG. 3 is a front view of a main part including a partial cross section showing a second embodiment of the present invention.

FIG. 4 is an enlarged sectional view taken along the line BB in FIG.

FIG. 5 is a front view of a swing door supported by a conventional supporting device.

FIG. 6 is an enlarged front view including a partial cross section of a supporting device at an upper portion of the door of FIG.

7 is a sectional view taken along the line CC of FIG.

[Explanation of symbols]

 1 Building 2 Opening 3 Door 14 Pivot pin 15 Pin hole 16 Recessed step 17a Screw hole 17b Screw hole 18a Set screw 18b Set screw

Claims (2)

[Scope of utility model registration request] 1. An opening (2) for attaching a door of a building (1)
The pin operation screw (27) is pivoted to the upper part of one side so that it can be retracted and retracted downward from the pin housing (25) through the swing lever (26), and a concave step (1) is formed on the outer periphery of the lower end.
6) and the pivot pin (14) and a pin hole (6) which is embedded and fixed in the upper one side of the upper metal frame (5) of the glass door (3) and into which the pivot pin (14) is fitted and locked. 15), and a concave step portion (1) on the outer periphery of the lower end portion of the pivot pin (14) in a part of the pin hole (15).
A set screw (18a) that can be engaged with the pin (6) is formed in one end surface of the upper metal frame (5) of the glass door (3) through a screw mounting hole (35) (36) with a screwdriver to the pin hole (35). (15) A top block (a movable block (31) that can be retracted and moved inward is installed via an adjusting screw (32) so as to be movable in the width direction of the upper metal frame (5) of the glass door (3). 11) A main body (30) of the present invention, which is a supporting device for a rotary or swinging door. 2. An opening (2) for attaching a door of a building (1)
The pin operation screw (27) is pivoted to the upper part of one side so that it can be retracted and retracted downward from the pin housing (25) through the swing lever (26), and a concave step (1) is formed on the outer periphery of the lower end.
6) and the pivot pin (14) and a pin hole (6) which is embedded and fixed in the upper one side of the upper metal frame (5) of the glass door (3) and into which the pivot pin (14) is fitted and locked. 15), and a concave step portion (1) on the outer periphery of the lower end portion of the pivot pin (14) in a part of the pin hole (15).
A set screw (18b) that can be locked to the screw 6) is formed on one side of the upper metal frame (5) of the glass door (3) in the thickness direction of the door in the thickness direction of the door.
7) A movable block (31) that can be pushed in and out from the pin hole (15) by a driver from 7) through the adjusting screw (32) in the width direction of the upper metal frame (5) of the glass door (3). A support device for a revolving or swinging door, characterized in that it is constituted by a main body part (30) of a top pivot (11) movably installed in.