JP2946171B2 - Opening door mounting structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure for a door, and more particularly to an improvement in mounting workability.

[0002]

2. Description of the Related Art A building is provided with an opening / closing door for communicating and shutting off the inside and outside of the building for carrying in / out articles. Generally, such an opening and closing door is, for example,
As disclosed in JP-A-35579, JP-A-2-2383 and JP-A-60-109471, the above-mentioned structure is supported by being suspended by a guide rail attached to a support plate above an opening of a building. An opening / closing operation is performed in the left-right direction along the guide rail by an operation of an opening / closing operation device attached to the opening and installed on the support plate.

[0003]

However, the method of attaching the door to the opening of the building is generally such that the door, which is hung on a guide rail, is lifted together with the support plate by a winch, and both sides of the opening are provided. Since the support plate is attached to the support standing upright so that the door is at a predetermined height, the door unit, which is a heavy object attached to the support plate, is carefully lifted with a winch. In this state, it is necessary to adjust the mounting height of the opening and closing door while operating the winch little by little while winding and rewinding it.

The present invention has been made in view of such a point, and an object of the present invention is to adjust the height of the opening and closing door together with the support plate by means of the hanging means, thereby pulling up the door with a winch. An object of the present invention is to perform an operation for attaching an opening / closing door more simply, quickly, and more accurately than when adjusting the height. Further, there is a need to adjust the position of the door in the front-rear direction.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention is directed to a mounting structure for attaching an opening / closing door for connecting / disconnecting the inside and outside of a building to an opening formed in the building. The following solutions were taken.

That is, a first solution of the present invention is to provide an opening / closing operation means for opening / closing the door and a biasing means for biasing the door in a normally closed direction. The opening and closing door is suspended from an opening of the building and supported. Further, the first supporting means is suspended and supported by a suspending means so as to be adjustable in height by a suspending means on a second supporting means provided above the first supporting means, and the first supporting means can be adjusted in the vertical and forward and backward directions under the second supporting means. It is characterized by being attached to the third support means.

According to a second aspect of the present invention, in the first aspect, a shaft having an upper end attached to the second support means as a suspending means and having a threaded portion on an outer periphery, and a lower end of the threaded portion of the shaft is provided. And a nut that is screwed into the nut.

According to a third aspect of the present invention, in the first aspect, the first support means can be adjusted in the vertical and longitudinal directions by an L-shaped bracket including a vertical surface portion and a horizontal surface portion. Attached to the lower third support means. Also,
A first elongated hole extending vertically is formed in one of the vertical surface portion and the first support means of the L-shaped bracket,
A second elongated hole extending in the front-rear direction is formed in one of the horizontal surface portion and the third support means of the L-shaped bracket. further,
The height of the first support means can be adjusted in the vertical direction on the vertical surface of the L-shaped bracket by fastening a first bolt inserted into the first elongated hole and a first nut screwed into the first bolt. The L-shaped bracket is attached to the third support means so as to be adjustable in the front-rear direction by fastening a second bolt inserted into the second elongated hole and a second nut screwed into the second bolt. It is characterized by having.

[0009]

With the above arrangement, in the first solution of the present invention, the opening / closing door is suspended and supported by the suspending means at the opening of the building and the height is adjusted by the suspending means. The step of carefully lifting the door unit, which is a heavy object provided on the first support means, with the door and the opening / closing operation means by a winch is until the door unit is delivered to the suspension means. In a state in which the door unit is suspended from the winch by the suspending means, the troublesome height adjustment by the winch becomes unnecessary,
The opening / closing door can be easily, quickly and accurately attached to the opening of the building by adjusting the height of the hanging means itself. Further, since the first supporting means suspended from the second supporting means by the suspending means is attached to the third supporting means below the second supporting means, the opening / closing door does not swing back and forth and left and right. The mounting condition is stable.

In the second solution of the present invention, the height of the door unit is adjusted little by little by the rotation of the nut with respect to the threaded portion of the shaft, and the mounting workability is improved.

According to a third solution of the present invention, the vertical and vertical positions of the opening and closing door are fine within the range of the dimensions of the first and second long holes formed in the vertical surface portion and the horizontal surface portion of the L-shaped bracket. It is adjusted and the installation work is further improved.

[0012]

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

FIG. 4 shows an elevator-type multi-story parking facility 1 to which an opening / closing door mounting structure according to an embodiment of the present invention is applied. The multi-story parking facility 1 includes a tower 2 as a building. Inside the tower 2, an elevator hoistway 4 on which an elevator 3 moves up and down is provided, and a plurality of parking shelves 5 are provided on both sides of the elevator hoistway 4. , 5,... Are arranged in a hierarchical manner in upper and lower stages. Further, a rectangular entrance / exit opening 6 as an opening is formed on the ground side of the above-mentioned steel tower 2, and an opening / closing door 7 that opens and closes on both left and right sides is attached to the entrance / exit opening 6, and the opening and closing operation of the opening / closing door 7 is performed. Thereby, the inside and the outside of the steel tower 2 are communicated and blocked.

At the time of entry into the garage, the above-mentioned opening / closing door 7 is opened, and the entry vehicle C enters the elevator 3 from the entry / exit port 6 and the elevator 3 is raised to the side of the target parking shelf 5 to move the entry vehicle C to the pallet. While the P is sent from the elevator 3 to the parking shelf 5 and stored, the elevator 3 is raised to the side of the parking shelf 5 where the exiting vehicle C is stored, and the exiting vehicle C is moved from the parking shelf 5 along with the pallet P to the exit. 3, the elevator 3 is lowered, and the elevator 3 exits from the entrance 6 in the open state.

The tower 2 has a number of columns, a number of horizontal beams bridged at predetermined intervals in the vertical direction between the columns, and a number of diagonal members bridged between the upper and lower horizontal beams. Thus, these components are also arranged around the entrance / exit 6 in the steel tower 2. That is,
As shown in FIG. 1, an upper horizontal beam 8 made of I-shaped steel as a second support means is disposed above the entrance / exit 6 and diagonal members 9 and 9 are disposed on the left and right sides of the entrance / exit 6 respectively. Have been. A lower horizontal beam 10 as third support means is mounted horizontally above the entrance / exit 6 and below the upper horizontal beam 8 with both ends of the lower horizontal beam 10 supported by the diagonal members 9, 9. FIG. 1 is a view of the opening / closing door 7 attached to the entrance / exit 6 as viewed from inside the steel tower 2.

As shown in FIGS. 1 to 3, the lower flange 8a of the upper and lower flanges 8a of the upper horizontal beam 8 has two shafts 11, 11 having a threaded portion 11a on the outer periphery. Two upper and lower nuts 1
The lower flange 8a is sandwiched between the shafts 2 and 12, and the nuts 14 are screwed to the lower ends of the threaded portions 11a of the shafts 11 and 11, respectively.
Then, a nut 14 is screwed into the threaded portion 11a at the lower end of each of the shafts 11, with the lower ends of the shafts 11, 11 being inserted from above into the insertion holes 13a, 13a of the support plate 13 as the first support means. In this way, the support plate 13 is suspended and supported so as to be adjustable in height. Therefore, the shaft 11 and the nut 14 constitute a suspension means 15 for suspending and supporting the support plate 13 on the upper horizontal beam 8 so that the height can be adjusted.

The support plate 13 has three L-shaped brackets 18, 18,... Composed of a vertical surface portion 16 and a horizontal surface portion 17.
It is attached to the lower horizontal beam 10 so that the position can be adjusted in the vertical and longitudinal directions. More specifically, two (only one is shown in FIG. 3) first elongated holes 16a, 16a extending in the vertical direction are formed in the vertical surface portion 16 of each of the L-shaped brackets 18.
Are formed, and two (only one is shown in FIG. 3) second long holes 17a extending in the front-rear direction are formed in the horizontal plane portion 17. The support plate 13 is fastened to the two first bolts 19, 19 inserted into the first long holes 16a and the two first nuts 20, 20 screwed to the first bolts 19, respectively. The L-shaped fittings 18 are attached to the vertical surface portion 16 of each of the L-shaped fittings 18 so as to be vertically adjustable.
The lower horizontal beam 10 is fastened by fastening the two second bolts 21 and 21 inserted into the respective second long holes 17a and the two second nuts 22 and 22 screwed to the respective second bolts 21. It is attached so that the position can be adjusted in the front-rear direction.

The opening / closing door 7 includes two inner first doors 2.
The first and second doors 23, 24 on the right side in FIG. 1 open and close the right half opening of the entrance 6. The two first and second doors 23 and 24 on the left side in FIG. 1 are for opening and closing the left half opening of the entrance 6. At the upper ends of the first and second doors 23, 24, two hangers 25, 26 having different lengths are extended upward, and each of the hangers 25, 26 has two upper and lower guide rollers 27, 28 is mounted so as to roll freely.

On the other hand, at the lower end of the support plate 13,
The two guide rails 29, 29 are connected to the bolts 31, 31,.
Are attached to the right guide rail 29 in FIGS. 2 and 3 by two outer second doors 24, 24.
Are suspended by engaging the guide rollers 27 and 28 from above and below, and two inner first doors 23 and 23 are attached to the guide rail 29 on the left side in FIGS. 28 are suspended from above and below. In addition, these first and second doors 23,
The lower end of 24 is movably engaged with two rail portions 33a, 33a of a guide rail 33 laid at the lower end (floor surface) of the entrance 6. Thereby, the opening and closing door 7
Is suspended and supported by the entrance / exit port 6 of the steel tower 2 by the support plate 13, and when the door is opened / closed, the opening / closing door 7, that is, the four first
And the second doors 23 and 24 are connected to the upper two guide rails 2.
9, 29 and lower rails 33, two rails 3
Guidance is provided in the left and right directions at 3a and 33a.

An opening / closing device 34 as an opening / closing device for opening and closing the door 7 is provided above the guide rails 29 of the support plate 13. The opening / closing actuator 34 includes three large and small sprockets 35, 36, and 37 that are coaxially arranged at the right end of the support plate 13 and a large and small sprocket that is coaxially and integrally arranged at the left end of the support plate 13. Sprockets 3
Endless chains 40, 41 are wound around the two large and small sprockets 38, 39 on the left side and the two sprockets 36, 37 on the right side with the same diameter.

Further, a drive motor 42 is provided above the three large and small sprockets 35, 36, 37 on the right side. A sprocket 43 which is connected to the output shaft of the drive motor 42 so as to rotate integrally therewith is connected by an endless chain 44. It is drivingly connected to a lower maximum diameter sprocket 35.

The inner first door 2 of the opening / closing door 7 is also provided.
3 and 23 are connected via a longer hanger 25 to an endless chain 40 wound around larger diameter sprockets 36 and 38, and an outer second
Doors 24, 24 are smaller sprockets 37, 3
9 is connected to the endless chain 41 wrapped around 9 via a longer hanger 25. The diameter of the sprockets 36 to 39 is set to be twice as large as that of the small diameter sprocket.
The opening / closing speed of the third and third doors is twice as fast as the opening / closing speed of the outer second doors.

Further, a spring balancer 45 as an urging means is provided on the support plate 13, and the spring balancer 45 is connected to the endless chain 41.
And the door 7 is normally biased in the closing direction.

The sprockets 36 to 39 are rotated in the counterclockwise direction in FIG. 1 by the activation of the drive motor 42, so that the opening and closing door 7 (the first and second doors 23,
24) is closed as shown by the solid line in FIG. 1, while the sprockets 36 to 39 are rotated clockwise in FIG. 1 by the activation of the drive motor 42, thereby opening and closing the door 7 (first and second doors). 23, 24) are opened as shown by the imaginary line in FIG.

Next, the procedure for attaching the door 7 to the entrance 6 of the steel tower 2 will be described.

First, the lower guide rail 33 is laid at the lower end (floor surface) of the entrance / exit 6.

Next, the support plate 13 on which the guide rails 29, 29, the opening / closing actuator 34 and the spring balancer 45 are installed is pulled up by a winch to the side of the lower horizontal beam 10 above the entrance / exit 6 and attached to the upper horizontal beam 8. The lower ends of the shafts 11, 11 are inserted into the insertion holes 13a, 13 of the support plate 13 from above, and the nut 14 is screwed into the screw portion 11a to suspend the support plate 13 at an approximate position.

Thereafter, the support plate 13 is connected to the lower horizontal beam 10 by an L-shaped bracket 18. At this time, the relationship between the L-shaped bracket 18, the support plate 13 and the lower horizontal beam 10 is temporarily fixed.

Thereafter, the door 7 is moved to the guide rail 2
9 and 29, and the first and second doors 2
After connecting the longer hangers 25 of 3 and 24 to the endless chains 40 and 41, the support plate 13 is adjusted to a predetermined height by screwing and retracting operation of the nut 14, and then the opening and closing door 7 is moved to the entrance 6 The L-shaped bracket 18 is attached to the lower horizontal beam 10 so as to be located at a regular mounting position.
Of the L-shaped bracket 18 is adjusted.
Adjust the vertical position of the support plate 13 with respect to
The first and second bolts 19 and 21 and the first and second nuts 20 and 22 are fully tightened.

As described above, in this embodiment, since the height of the opening and closing door 7 is adjusted while being suspended from the entrance 6 by the hanging means 15, the opening and closing door 7 is winched until the installation is completed. It is not necessary to raise the door, thereby eliminating the troublesome height adjustment by the winch. In addition, the height adjustment by the suspending means 15 allows the opening and closing door 7 to be easily and quickly and accurately inserted into the entrance 6 of the steel tower 2. Can be attached to

In the above embodiment, the support plate 13
Is connected to the lower horizontal beam 10 via the L-shaped bracket 18, the swinging of the opening / closing door 7 in the front / rear and left / right directions can be prevented, and the mounting state can be stabilized. Moreover, the height of the door unit can be adjusted little by little by the rotation operation of the nut 14, and the mounting workability can be improved.

Further, in the above embodiment, the position of the opening / closing door 7 in the up-down and front-back directions is adjusted by the first and second long holes 16a, 16a formed in the vertical surface 16 and the horizontal surface 17 of the L-shaped bracket 18.
Fine adjustment is possible within the range of the dimension of 17a, and the mounting work can be further improved.

In the above embodiment, the vertical movement of the door 7 is
First and second long holes 16a for adjusting the position in the front-rear direction,
Although the case where 17 a is formed on the L-shaped bracket 18 side is shown, it may be formed on the lower horizontal beam 10 and the support plate 13.

In the above embodiment, the spring balancer 45 is employed as the urging means, but a tension coil spring, a heavy cone, or the like may be used.

Further, in the above-described embodiment, the case where the opening and closing door 7 is opened right and left is shown. However, a single opening method may be used, and the number of doors is not limited to four, but may be two, and furthermore, the door is opened and closed in the vertical direction. It may be of the type.

[0036]

As described above, according to the first aspect of the present invention, the opening / closing door is suspended from the opening of the building by the first support means, and the first support means is suspended above the first support means. 2
Since the height of the door unit is suspended by the suspension means and the height thereof is adjusted, it is not necessary to carefully lift the heavy door unit by the winch, and the troublesome height adjustment by the winch is eliminated, and it is simple, quick, and accurately. A door can be attached to the opening of the building. Furthermore, since the suspended first supporting means is attached to the third supporting means below the second supporting means, the swinging of the opening / closing door in the front / rear and left / right directions can be eliminated and the attached state can be stabilized.

According to the second aspect of the present invention, since the height of the door unit is adjusted little by little by the rotation of the nut, the mounting workability can be improved.

According to the third aspect of the present invention, the height of the L-shaped bracket is finely adjusted by inserting the first bolt into the first elongated hole formed in one of the vertical surface portion and the first support means. At the same time, the second bolt is inserted into the second elongated hole formed in one of the horizontal surface portion and the third support means of the L-shaped bracket to finely adjust the position in the front-rear direction, so that the mounting work is further improved. Can be done.

[Brief description of the drawings]

FIG. 1 is a view of an opening / closing door attached to an entrance / exit port viewed from inside a steel tower.

FIG. 2 is a sectional view taken along line II-II of FIG.

FIG. 3 is an enlarged view of a portion A in FIG. 2 before a door is suspended.

FIG. 4 is a schematic configuration diagram of an elevator-type multi-story parking facility.

[Explanation of symbols]

 2 steel tower (building) 6 entrance / exit (opening) 7 door 8 upper horizontal beam (second support means) 10 lower horizontal beam (third support means) 11 shaft 11a screw portion 13 support plate (first support means) 14 Nut 15 Suspension means 16 Vertical surface part 16a First long hole 17 Horizontal plane part 17a Second long hole 18 L-shaped bracket 19 First bolt 20 First nut 21 Second bolt 22 Second nut 34 Opening / closing operation device (opening / closing operation means ) 45 Spring balancer (biasing means)

Claims (3)

(57) [Claims] 1. A mounting structure for attaching an opening / closing door for communicating / blocking between the inside and the outside of a building to an opening formed in the building, wherein the opening / closing operation means for opening / closing the opening / closing door, and the opening / closing door. The opening / closing door is suspended and supported by an opening of a building by a first supporting means having an urging means for urging the door in a normally closed direction, and a second supporting means provided above the first supporting means. To be supported by a hanging means so that the height can be adjusted.
The second support hand can be adjusted vertically and vertically.
An installation structure for an opening / closing door, wherein the opening / closing door is attached to third supporting means below the step . 2. The suspension means comprises a shaft having an upper end attached to the second support means and having a threaded portion on the outer periphery, and a nut screwed into a lower end of the threaded portion of the shaft. 1. The mounting structure of the opening / closing door according to 1. 3. The first supporting means includes a vertical surface portion and a horizontal surface portion.
The position can be adjusted in the vertical, front and rear directions by the L-shaped bracket consisting of
Ability to be attached to the third support means of the second supporting means downwards, together with the one of the vertical surface portion and the first support means of said L-shaped bracket first elongate hole extending in the vertical direction is formed, the A second elongated hole extending in the front-rear direction is formed in one of the horizontal surface portion and the third support means of the L-shaped bracket. The first support means includes a first bolt inserted into the first elongated hole, The L-shaped fitting is inserted into the second elongated hole while being vertically adjustable on the vertical surface of the L-shaped fitting by fastening with a first nut screwed into the first bolt. a second bolt, the fastening between the second nut screwed to said second bolt door according to claim 1, characterized in that positioned adjustably mounted in the longitudinal direction of the third support means Mounting structure.