JPH09158593A - Wide door opening / closing device - Google Patents

Abstract

(57) Abstract: To obtain a door opening / closing device capable of opening a door 180 degrees without interfering with an adjacent door. SOLUTION: A hinge 6 slidably supported in a box body 1, a hinge pin 4 attached to a door 2 and rotatably supported at one end of the hinge 6, and when the door 2 is opened 180 degrees Is provided with a guide 8 for moving the hinge 6 to at least the door side by the thickness thereof and moving the hinge 6 to the box side when closing the door 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door opening / closing device used in various boxes such as electric appliances.

[0002]

2. Description of the Related Art FIG. 6 is a view showing a conventional mechanism for opening and closing a door, FIG. 6 (a) is a front view, FIG. 6 (b) is a plan view, and FIG.
FIG. 6C1 is an enlarged view of a state where the door of the portion C in FIG. 6B is closed, and FIG. 6C2 is an enlarged view of a state where the door is opened. In FIG. 6, 1 is a box body, 2 is a door, 3 is a hinge fixed to the box body 1, 4 is a hinge pin, and 5 is a door of an adjacent box body.

Next, the operation will be described. The hinge 3 is fixed to the box body 1, the door 2 is attached to the hinge 3 via the hinge pin 4, and the door 2 is opened and closed with the hinge pin 4 as a fulcrum.

[0004]

In the conventional door opening / closing device, since the hinge pin 4 serving as the rotation axis of the door 2 is fixed to the hinge 3, the doors of the adjacent box bodies are opened when the doors are opened more than 90 degrees. It cannot open wider than this. Therefore, there is a problem in that the workability of maintenance and inspection of the equipment inside the box is poor.

The present invention has been made to solve the above problems, and an object thereof is to obtain a wide opening opening / closing device capable of opening and closing a door in a wide opening.

[0006]

A wide opening opening / closing device for a door according to the present invention, when a door is opened, a hinge pin serving as a rotation axis of the door is moved to the door side by at least its thickness, and when the door is closed. Is provided with a rotating shaft moving mechanism for a door that moves to the box side. Further, a hinge slidably supported by the box body, a hinge pin attached to the door and rotatably supported at one end of the hinge, and when the door is opened 180 degrees, the hinge is at least on the door side. A hinge slide mechanism for moving the hinge toward the box side when the door is closed by moving the door by the thickness is provided. The hinge slide mechanism is composed of a guide that is fixed to the box body and movably supports the hinge in the direction of the door, and a hinge that is guided and moved by the guide. The sliding mechanism of the hinge engages with the gear train held by the hinge, the gear fixed to the hinge pin that engages with the gear on the hinge pin side of this gear train, and the gear on the box side of the gear train. The pinion guide is fixed to the box body, and the hinge moves in conjunction with opening and closing of the door.

Further, a hinge slidably supported on the box body, a hinge pin mounted on the door and rotatably supported on one end of the hinge, and the box body and the door are connected by a pin joint. , An auxiliary arm having a length that moves the door toward the door by at least the thickness thereof when the door is opened 180 degrees. A hinge fixed to the box, a movable hinge having one end joined to the hinge by a pin, and a hinge pin attached to the door and rotatably supported at the other end of the movable hinge. Is. Also, a hinge fixed to the box,
An auxiliary door having a hinge pin rotatably supported at one end of the hinge is fixed to the hinge, and a door body connected to the auxiliary door by a hinge. According to the invention,
When the door is opened, the rotary shaft of the door moves toward the door by at least the thickness thereof, so that the door can be opened and closed in a wide opening without interfering with the adjacent door.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION

Embodiment 1 FIG. Hereinafter, Embodiment 1 of the present invention will be described with reference to FIG. 1 (a) is a front view, FIG. 1 (b) is a plan view, FIG. 1 (c1) is an enlarged view of a state in which a door of a portion C in FIG. 1 (b) is closed, and FIG. 1 (c2) is C. It is an enlarged view of the state which opened the door of the part. In FIG. 1, 1 is a box, 2 is a door, and 6
Is a hinge with a slide mechanism having a leaf spring 61 and a groove, 4 is a hinge pin attached to the hinge 6, 7 is a pin fixed to a box, and 8 is a guide for pulling out the hinge 6 with a slide mechanism to the front. A similar mechanism is attached to the lower part of the box 1 and the door 2.

Next, the operation will be described. When the door 2 is opened, the door 2 is first pulled out to the front, and the hinge 6 with the slide mechanism slides in the guide 8 and is pulled out to the front together with the door 2. When the door 2 is opened in this state, the hinge pin 4, which is the rotating shaft, is moving forward as shown in FIG. 1 (c2), so it can be opened up to 180 degrees without interfering with the door 5 of the adjacent box. You can When closing the door 2, the door 2 can be closed by pushing the door 2 toward the box body 1 side.

Embodiment 2 The second embodiment of the present invention will be described below with reference to FIG. 2 (a) to (c2)
1 are drawings corresponding to FIGS. 1 (a) to 1 (c2), respectively, and the description thereof is omitted. In FIG. 2, the same reference numerals as in FIG. 1 denote the same parts, respectively, 8 is a guide for pulling out the hinge 9 with a slide mechanism to the front surface, and 9 is a slide mechanism with a gear in which a plurality of gears meshing with each other are arranged in a row. A hinge with a gear 10, a hinge pin with a gear rotatably held by the hinge with a slide mechanism with a gear 9 and fixed to the door 2, and a pinion guide 11 fixed to the box body 1,
A similar mechanism is attached to the lower part of the box 1 and the door 2.

Next, the operation will be described. The gear 10a of the geared hinge pin 10 fixed to the door 2 meshes with the gear 9a of the geared slide mechanism hinge 9, and the gear 9a rotates in conjunction with opening the door 2, and this rotational force The hinge 9 with the gear-equipped slide mechanism is pushed out along with the guide 8 toward the front surface along with the guide 8 because the gear 9b is transmitted through the row to the gear 9b that meshes with the teeth of the pinion guide 11 to rotate. Therefore, the hinge pin 10 with gears, which is the rotating shaft,
Moves forward as shown in FIG. 2 (c2), so that the door 2 can be opened up to 180 degrees without interfering with the adjacent door 5. When the door 2 is closed, the hinge 9 with the gear slide mechanism is retracted to the box 1 side by the reverse operation, so that the door 2 can be closed.

Embodiment 3. The third embodiment of the present invention will be described below with reference to FIG. 3 (a) to (c2)
1 are drawings corresponding to FIGS. 1 (a) to 1 (c2), respectively, and the description thereof will be omitted. In FIG. 3, the same reference numerals as those in FIG. 1 denote the same parts, 8 is a guide for pulling out the hinge 12 with slide mechanism to the front surface, 4 is a hinge pin attached to the hinge 12 with slide mechanism, and 1
Reference numeral 3 denotes an auxiliary arm that connects the box body 1 and the door 2 by pin connection, and is configured to have a length that pushes the door 2 forward by a dimension larger than its thickness when the door 2 is opened at 90 degrees or more. . Reference numeral 14 is a connecting pin that connects one end of the auxiliary arm 13 to the box body 1, 15 is a connecting pin that connects one end of the auxiliary arm 13 to the door 2, and the connecting pin 14 is mounted inside the hinge 12 with the slide mechanism. The connecting pin 15 is attached to the outside of the hinge pin 4, and a similar mechanism is attached to the lower part of the box body 1 and the door 2.

Next, the operation will be described. When the door 2 is opened, the auxiliary arm 13 rotates with the auxiliary arm support pin 14 fixed to the box 1 as a fulcrum. Along with this, the hinge 12 with the slide mechanism moves forward along the guide 8. Next, the door 2 is opened with the hinge pin 4 as a fulcrum, and the door is opened as shown in FIG.
In the state shown in 2), it can be opened up to 180 degrees without interfering with the adjacent door 5. Further, when the door 2 is closed, the door 2 can be closed in the reverse operation in the state shown in FIG. 3 (c1).

Embodiment 4 Hereinafter, a fourth embodiment of the present invention will be described with reference to FIG. 4 (a) is a front view,
FIG. 4 (b) is an enlarged view of part b in FIG. 4 (a), and FIG.
1) and (c2) are enlarged plan views taken along the line C-C in FIG. 4 (a), FIG. 4 (d) is an enlarged view of part d in FIG. 4 (a), and FIG.
(E) is a side view taken along the line EE in FIG. 4 (a). 4, the same reference numerals as in FIG. 6 denote the same parts, respectively, 3 is a hinge fixed to the box body 1, 16 is a movable hinge, 17 is a connecting pin for connecting the fixed hinge 3 and the movable hinge 16, and 18 Is a connecting pin that connects the movable hinge 16 and the door 2, 19 is a hinge receiver fixed to the box body 1, and 20 is a movable hinge receiver that connects the hinge receiver 19 and the door 2.

Next, the operation will be described. When the door 2 is opened from the state shown in FIG. 4 (c1) in which the door is closed, the door 2, the movable hinge 16 and the movable hinge receiver 20 are connected to each other by the connecting pin 1.
When it rotates about 7 as a fulcrum and rotates to the state of FIG. 4 (c2), the door 2 further rotates about the connecting pin 18 as a fulcrum to reach the state of FIG. 4 (c2). Therefore, the door 2 can be opened up to 180 degrees without interfering with the adjacent door 5. Further, when the door 2 is closed, the door 2 can be closed in the reverse operation in the state shown in FIG. 4 (c1).

Embodiment 5 Embodiment 5 of the present invention will be described below with reference to FIG. 5 (a) to (c2)
1 are drawings corresponding to FIGS. 1 (a) to 1 (c2), respectively, and the description thereof will be omitted. 5, the same reference numerals as those in FIG. 6 denote the same parts, respectively, 21 is an auxiliary door, 22 is a hinge pin connecting the auxiliary door 21 and the hinge 3, and 23 is a hinge connecting the auxiliary door and the door 2.

Next, the operation will be described. When the door 2 is opened from the state shown in FIG. 5 (c1) in which the door is closed, the auxiliary door 21
When the door 2 rotates 90 degrees around the hinge pin 22 as a fulcrum, the auxiliary door 21 is locked, and the door 2 further rotates around a hinge 23 as a fulcrum to interfere with the adjacent door 5 as shown in FIG. 5 (c2). You can open up to 180 degrees without. Further, when the door 2 is closed, the reverse operation is performed, and as shown in FIG.
It can be closed in the state shown in 1).

[0018]

As described above, according to the present invention, when the door is opened, the hinge pin serving as the rotation axis of the door is moved to the door side by at least its thickness, and when the door is closed, it is moved to the box side. Since it has a mechanism for moving the rotation axis of the door,
Since the doors can be opened and closed up to 180 degrees without interfering with the adjacent doors, the workability of maintenance and inspection of the equipment inside the box is improved, and the work time can be shortened.

[Brief description of the drawings]

FIG. 1 is a diagram showing a first embodiment of the present invention.

FIG. 2 is a diagram showing a second embodiment of the present invention.

FIG. 3 is a diagram showing a third embodiment of the present invention.

FIG. 4 is a diagram showing a fourth embodiment of the present invention.

FIG. 5 is a diagram showing a fifth embodiment of the present invention.

FIG. 6 is a view showing a conventional door opening / closing mechanism.

[Explanation of symbols]

1 box, 2 door, 3 hinge, 4 hinge pin, 5
Adjacent box doors, 6 sliding hinges, 61
Leaf spring, 7 pins, 8 guides, 9 hinge with sliding mechanism with gear, 10 hinge pin with gear, 11 pinion guide, 12 hinge with sliding mechanism, 13 auxiliary arm, 14 auxiliary arm support pin, 15 auxiliary arm connecting pin, 16 movable Hinge, 17, 18 Connecting pin, 19
Hinge receiver, 20 movable hinge receiver, 21 auxiliary door,
22 hinge pins, 23 hinges.

Claims (7)

[Claims] 1. A door rotation axis moving mechanism for moving a hinge pin, which serves as a rotation axis of a door, to the door side by at least its thickness when the door is opened, and to a box side when the door is closed. Wide opening and closing device for doors. 2. A hinge slidably supported by the box body, a hinge pin attached to the door and rotatably supported at one end of the hinge, and at least the hinge when the door is opened 180 degrees. A wide opening opening / closing device for a door, which is provided with a slide mechanism of the hinge that moves the hinge to the side of the box when the door is closed by the thickness thereof. 3. A sliding mechanism of the hinge includes a guide fixed to the box body to support the hinge so as to be movable toward the door.
3. A wide opening opening / closing mechanism for a door according to claim 2, wherein the hinge is configured to move while being guided by the guide. 4. The hinge slide mechanism comprises a gear train held by the hinge, a gear fixed to a hinge pin engaging with a gear on the hinge pin side of the gear train, and a gear on the box side of the gear train. 4. A wide opening opening / closing mechanism for a door according to claim 3, further comprising a pinion guide fixed to a box body that engages with the hinge, the hinge moving in conjunction with opening and closing of the door. 5. A hinge slidably supported by the box body, a hinge pin attached to the door and rotatably supported at one end of the hinge, and a box joint between the box body and the door. A wide opening opening / closing device for a door having an auxiliary arm configured to have a length that moves the door toward the door by at least the thickness thereof when the door is opened 180 degrees. 6. A hinge fixed to a box body, a movable hinge having one end joined to the hinge by a pin, and a hinge pin attached to a door and rotatably supported at the other end of the movable hinge. Wide opening and closing mechanism for the door. 7. A hinge fixed to a box body, an auxiliary door having a hinge pin rotatably supported at one end of the hinge fixed to the hinge, and a door body hinged to the auxiliary door. Wide opening and closing mechanism for the door.