JPS6127550B2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a door opening/closing device that prevents the door from tilting due to its own weight when swinging, in which a door that opens and closes by a sliding method can also be opened and closed by a swing method. It is.

More specifically, in recent years, many entrance doors have been made of a single tempered glass plate with only an upper and lower stile attached, and no stile on either side. The present invention is designed to more reliably prevent the door from tilting even when the door does not have a frame to support the door's tilt when swinging.

The present applicant has already proposed an automatic door that can be opened and closed by a sliding method, but can also be opened and closed by a swing method together with an inset door when necessary, such as when a large frontage is required. As shown in FIGS. 1a and 1b, a hanging frame 1 that reciprocates on the rail by the power of a drive unit is provided in the mesh, and this hanging frame 1 has a pivoting fulcrum part 5 and an engaging part. The door 3 is hung by the door 3, and normally the door 3 is opened and closed integrally with the hanging frame 1 in a sliding manner. In an emergency, by pressing the door 3, the locking piece 2 can be opened as shown in Fig. 1b.
The upper shaft 5A and the shaft support 5 which form the pivoting fulcrum part 5 are released and the engaging part consisting of the locking hole 4 and the locking hole 4 are released.
Rotate with B. At this time, the door steadying part 6 consisting of the lower shaft 6A and the shaft rotation part 6B at the lower part of the door 3 rotates while fitting into the lower rail 7, and the fitted door (not shown) also begins to rotate. ing.

In such a configuration, when moving in a sliding manner, the door 3 is suspended and supported by the hanging frame 1 at two points, the locking piece 2 and the swing support part 5, and there is no problem, but the door 3 cannot be opened by swinging. In this case, when the locking piece 2 and the locking hole 4 are disengaged, the hanging frame 1 suspends and supports the door 3 only by the pivot point 5. The door steadying part 6 is to prevent the door 3 from swinging sideways when the door 3 slides, so the shaft rotating part 6B moves freely within the lower rail 7 to support the door 3. It cannot be a point. Therefore, the door 3 has a cantilevered structure with only the pivot point 5 as a fulcrum, and there is a problem in that one end A of the door 3 comes down due to its own weight and cannot be opened and closed smoothly. door 3
There was also the inconvenience of having to lift the door 3 in order to lock the locking piece 2 and the locking hole 4 when returning it to its original position. Furthermore, there is a problem in that the swing fulcrum portion 5 becomes fatigued due to repeated stress over many years, causing damage.

In particular, with doors without a stile, it is difficult to prevent the door from tilting when swinging, such as by lengthening the upper shaft of the swing fulcrum and supporting it with a stile.

The present invention was made in order to solve such problems, and it is possible to hang the door on the hanging frame inside the door,
The door is opened and closed by sliding and, if necessary, by swinging from a pivot point, in which the hanging frame and the door are connected by a lifting holding part. With this configuration, the door can be opened and closed smoothly without tilting due to its own weight when swinging.

Hereinafter, one embodiment of the present invention will be described based on FIGS. 2a and 2b. Note that the same parts as in FIGS. 1a and 1b are given the same reference numerals. In Figure 2 a and b,
8 is a lifting fitting, and this lifting fitting 8 is a lifting holding part 8.
3, a rotating part 81 provided at one end of this lifting holding part 83, and a linear moving part 82 provided at the other end.
It is made up of The rotating part 81 is the upper surface part C of the door 3, and a lifting shaft 9 protruding between the locking hole 4 and the upper shaft 5A is pivotally attached to one end of the lifting holding part 83 to hold the door 3. It supports the suspension. The door 3 can be turned by pushing or pulling the door 3 in the front direction.

The linear moving part 82 includes a lifting pin 82A projecting upward from the other end of the lifting holding part 83, a lifting support piece 82B loosely inserted into the lifting pin 82A, and this lifting support piece. It consists of a lifting guide rail 82C that moves linearly while being engaged with the lifting guide rail 82B, and this linear moving part 82 is fixed to the side wall of the hanging frame 1 and supports the door 3 in a lifting manner. The lifting support piece 82B moves linearly along the lifting guide rail 82C by pushing or pulling the door 3 in the front direction.

The lifting holding part 83 is connected to the locking piece 2 and the locking hole 4.
A material having sufficient strength is used so that it will not bend under the weight of the door 3 when it is unlocked.

The conditions for efficiently hoisting the door 3 using the lifting fitting 8 are as shown in FIG. When the separation distance between the upper shaft 9 and the upper shaft 5A is D, it is desirable that the angle α formed between the door 3 and the lifting fitting 8 is 45 degrees or more when the door 3 turns 90 degrees. In this case, the angle θ between the hanging frame 1 and the lifting fitting 8 is naturally less than 45 degrees.

In addition, when installing the door 3, take into consideration that the door 3 may tilt due to the gap between the pivot point 5, etc., and use the lifting bracket 8.
Install with the side slightly raised.

Next, the action will be explained.

Under normal conditions, the door 3 slides open and close integrally with the hanging frame 1 while being guided by an upper rail (not shown) and a lower rail 7. Next, when the door 3 is pushed or pulled toward the front as necessary, the engagement between the locking piece 2 and the locking hole 4 is released, and the pivot point 5
Rotate using the fulcrum as a fulcrum. The rotating door 3 has a lifting fitting 8
It is supported at two points: and a pivot point 5.

As the door 3 rotates, the rotating part 81 rotates, and the lifting support piece 82B of the lifting fitting 8 moves linearly along the lifting guide rail 82C while lifting the door 3. At this time, the lifting guide rail 8
If a stopper (not shown) is provided on door 2, door 3
turns by a predetermined angle, for example 90 degrees, and then stops.

When closing the door 3 that has been swiveled open, the lifting support piece 8 is moved by pulling or pushing the door 3 toward the front.
2B moves in a straight line along the lifting guide rail 82C while lifting the door 3. The locking piece 2 and the locking hole 4 are then engaged.

In the embodiment, the rotating part 81 is attached to the door 3,
The case where the linear moving part 82 is attached to the hanging frame 1 has been described. The present invention is not limited to this, but the rotating part 81 is attached to the hanging frame 1, and the linear moving part 82 is attached to the door 3.
It can also be installed on.

Since the present invention is configured as described above, the door during rotation is supported by the hanging frame at two points, which prevents the door from tilting due to its own weight, making opening and closing operations extremely smooth. . Since it is supported by a substantially horizontal link-shaped lifting holder, it is effective in preventing tilting, especially for doors without a frame that must mechanically support the tilting force. Since it is housed inside the door and is not exposed to the outside, and only the lifting holding part is exposed, it has excellent effects such as not impeding the good visibility of the glass door.

[Brief explanation of the drawing]

Fig. 1a is a schematic front view of a door that can slide and swing, Fig. 1b is a schematic perspective view of the same door in a pivoted state, and Fig. 2a is an embodiment of the door opening/closing device according to the present invention. FIG. 2b is a perspective view of the door in a pivoted state, and FIG. 3 is an explanatory diagram of the operation when the door pivots. 1... Hanging frame, 2... Locking piece, 3... Door, 4...
Locking hole, 5... Turning fulcrum part, 6... Door steadying part, 7
... Lower rail, 8 ... Lifting metal fitting, 9 ... Lifting shaft, 81 ... Swivel part, 82 ... Linear movement part, 83
...Lifting holding part.

Claims (1)

[Claims] 1. An upper stile and a lower stile are fixed to a single glass plate to form a door without a stile, and one end of the upper stile of the door is attached to a hanging frame that slides along a sliding support section using a swing support part. In a device that enables opening and closing by sliding and swinging by hanging the other end of the upper stile by a locking part that locks and releases when swinging, a swing part is provided between the swing support part and the locking part of the upper stile. a lifting shaft is provided substantially vertically, the lifting shaft is pivotally connected to one end of a substantially horizontal link-shaped lifting holding part, and a lifting guide rail of a linear moving part is provided on the hanging frame, A door opening/closing device characterized in that the lifting guide rail is movably provided while being engaged with a lifting support piece provided at the other end of the lifting holding portion.