JPH0932401A - Door opener - Google Patents

Abstract

PROBLEM TO BE SOLVED: To smoothly open/close a door by providing a receiving body having a guide storage part which is fixed to one of a box or a door, and an insertion body which slidably guides a guide storage part fixed to the rest in the inserting direction and is turnable at the outermost part in the inserting direction of the guide storage part. SOLUTION: When a door is opened, an insertion body 50 is moved forward along a guide storage body 32 of a receiving body 30, and a shaft 54 is also moved along a slit 34 of a regulating plate 33. Immediately before the insertion body 50 is passed forward of the guide part 32, the shaft 54 is abutted on the semi-circular front end of the slit 34, and the insertion body 50 and a door 40 are turned around the shaft 54 to be opened. When the door 40 is detached from a box 20 for repair, the lower end of the upper shaft 54 is lowered against the coil spring to detach the upper end of the shaft 54 from the slit 34. The upper insertion body 50 is further tilted forward and detached from the receiving body 30, and then, the door 40 is lifted to detach the lower end of the lower shaft 54 from the slit 34. Collision of the door with the box can be prevented at the time of opening only by a simple one-shaft structure.

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.

[0002]

2. Description of the Related Art Generally, a hinge is used as a door opening / closing device. However, if it is installed outdoors such as a public telephone, it may be damaged by mischief if the hinge is provided outside. Therefore, in many cases, the hinge is provided inside so that it is not exposed to the outside. However, as shown in FIGS.
When the door 3 and the door 3 are connected to each other, the door 3 rotates about the shaft 1a of the hinge 1. Therefore, when the door 3 is opened, the end portion 3a of the door 3 collides with the end portion 2a of the housing 2 and the door 3 is opened. Because you can't
A gap 4 is provided so as not to collide when the housing 2 and the door 3 are opened.

However, when the gap 4 is provided in this way,
Dust enters through the gap 4 even when it is closed, and when it is installed outside, such as a public telephone, there is the inconvenience that foreign matter is inserted through this gap 4 or that a screwdriver or the like is inserted and damaged.

For this reason, the applicant of the present application has proposed a door opening / closing device having a structure in which the end of the casing and the end of the door do not collide with each other even if they are opened without any gap.
-13333.

That is, as shown in FIGS. 14 and 15, the door opening / closing device of Japanese Utility Model Publication No. 6-13331 is provided with first and second shafts 6 and 7 which are perpendicular to a horizontal plate 5 fixed to a housing 4. The third and fourth shafts 10 and 11 perpendicular to the horizontal plate 9 fixed to the door 8 are provided, the first shaft 6 and the third shaft 10 are connected by the connecting plate 12, and the second shaft 7 is connected. And the fourth shaft 11 are connected by a connecting plate 13.

Since the door 8 is moved by such a four-axis structure, when the door 8 is opened and closed, it moves so as to wrap around as shown by a curve A. Therefore, the end 4a of the housing 4 and the door 8
Even if a gap is not provided between the end portion 8a and the end portion 8a, no collision occurs when opening and closing.

[0007]

However, FIG.
In the four-axis type door opening / closing device shown in Nos. 4 and 15, (a) the four-axis type door opening / closing device has a complicated structure and complicated assembling work, resulting in high cost. (B) When it is necessary to remove the door 8 from the housing 4 for maintenance or repair work of the device provided inside the housing 4 or on the back side of the door 8, the removal and installation work is performed because of the 4-axis structure. Becomes complicated. (C) Since the structure is complicated and large, mounting is difficult when the depth of the housing is small. There was such inconvenience. An object of the present invention is to provide a door opening / closing device that solves such a problem.

[0008]

In order to achieve the above object, in the door opening / closing device of the present invention, a receiving body having a guide accommodating portion fixed to either the housing or the door, and the housing or the door It is characterized in that it is provided with an insert body which is slidably guided in the guide accommodating portion fixed to the other side in the inserting / removing direction, and is rotatable at the outermost side in the extracting direction of the guide accommodating portion.

With this construction, in the door opening / closing device of the present invention, the insert is slid from the guide accommodating portion of the receiving body to the outermost position in the removal direction, and the door is rotated from the housing. This allows the door to open without the end of the housing colliding with the end of the door.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 to 4 show an embodiment of the present invention.

The housing 20 has four trapezoidal upper wall portions 21a, lower wall portions 21b, side wall portions 21c, and side wall portions 2 whose front faces are open.
It is a hollow truncated pyramid shape consisting of 1d and a bottom wall 21e, and has an opening 22 on the front side for opening and closing the door 40. Openings 22 of the side wall portions 21a to 21d of the housing 20
The end portion on the side is an edge plate portion 23 perpendicular to the plane of the opening.

The opening 2 of one side wall 21c of the housing 20
Two receiving bodies 30, 30 having the same shape are fixed to the upper and lower portions of the end portion on the second side by mounting means 31, 31 by an appropriate means such as screwing.

The receiving body 30 is provided with a guide accommodating portion 32 penetrating from the upper surface to the lower surface of the receiving body 30 and having a constant width, which is curved in an arc shape and opened to the front side. The inner edges 32a and 32b of the front guide housing 32 are rounded.

On the upper surface of the upper receiving body 30 and on the lower surface of the lower receiving body 30, there are provided regulation plates 33, 33 having the same shape.
Are fixed by appropriate means such as screwing.

The regulation plate 33 projects forward from the front surface of the receiving body 30, is curved in an arc shape exactly the same as the guide accommodating portion 32 curved in an arc shape of the receiving body 30, and is wider than the guide accommodating portion 32. The slit 34 having a constant width and a narrow width
It is provided to the position in front of the front surface of.

The door 40 is opened / closed by the opening 22 on the front surface of the housing 20, and an edge plate portion 41 is vertically projected from the front plate 42.

On the rear surface of the front plate 42 of the door 40, the edge plate portion 4 is provided.
In the vicinity of 1, at the upper and lower two positions corresponding to the two receiving bodies 30 and 30, in the flat plate-shaped base portions 51 and 51 from which the insert bodies 50 and 50 project on both sides thereof, appropriate means such as screwing It is fixed at.

The insert 50 is curved in the same arcuate shape as the guide accommodating part so that it can be inserted and accommodated in the guide accommodating part 32 of the accommodating body 30 with a slight play in the inserting / removing direction. It can be guided and inserted into the guide accommodating portion 32 of 30. The tip of the insert 50 is rounded.

The tip of the insert 50 is formed into a fork by a notch 52, and a shaft hole 53 is formed in the fork portions 50a and 50b.
a and 53b are provided coaxially. Shaft holes 53a, 53
The shaft 54 is housed in b with both ends projecting vertically.

For this reason, the upper projecting portion of the shaft 54 with the upper insertion body 50 inserted in the guide accommodating portion 32 of the upper receiving body 30 has the slit of the regulating plate 33 fixed to the upper surface of the receiving body 30. Shaft 54 with the lower insertion body 50 inserted into the guide accommodating portion 32 of the lower reception body 30.
The portion protruding downward is fitted into the slit 34 of the regulation plate 33 fixed to the lower surface of the receiving body 30.

Then, the insert 50 is moved along the guide accommodating portion 32 of the receiving body 30 in the direction in which the insert 50 moves forward.
In this position, the shaft 54 can be brought into contact with the semicircular front end 34a of the slit 34 of the regulation plate 33, and the insert 50 can be rotated about the shaft 54 as shown by the arrow.

In the upper insert 50, the shaft 54 has a shaft hole 53.
A stopper ring 55 is fixed to the shaft 54 as shown in FIG. A coil spring 56 is attached to the shaft 54 at the notch 52, and both ends of the coil spring 56 press the upper surface of the lower fork portion 50b and the stopper ring 55. Therefore, the stopper ring 55 is brought into contact with the lower surface of the upper fork portion 50a by the coil spring 56, and the shaft 54 projects upward. Therefore, the lower end of the shaft 54, which protrudes downward from the lower surface of the fork 50b, is grasped with a finger and pulled down against the coil spring 56, so that the shaft projecting upward from the upper surface of the upper fork 50a. The upper end of 54 is the upper fork 50
It can be removed from the slit 34 of the upper regulating plate 33 by retracting it into the shaft hole 53a of a, and when the finger is released, the coil spring 56 restores the original state and fits into the slit 34.

In the lower insert 50, the shaft 54 has a shaft hole 53.
fixed in a and 53b, in the notch 52,
A roller 57 is rotatably attached to the shaft 54 in order to smooth the impulse of the insert 50 in the guide housing portion 32.

Next, the operation of this door opening / closing device will be described.
When the door 40 is opened from the closed state shown in FIG. 3, the upper and lower insert bodies 50, 50 are inserted into the guide accommodating portions 32, 32 of the upper and lower receiving bodies 30, 30 as shown in FIG. 5 → FIG. 6 → FIG. Along the upper and lower shafts 54, 54
Also moves along the slits 34, 34 of the regulation plates 33, 33.

When the door 40 is further opened, the upper and lower inserts 50 are almost pulled out from the upper and lower guide accommodating portions 32 to the front side, and as shown in FIG. Abutting on the semicircular front end 34a of 34,
The upper and lower inserts 50 and the door 40 pivot about the upper and lower shafts 54 and open.

The tip of the insert 50 and the receiver 30
Due to the roundness of the front end 32a of the insert 50 in the position of FIG.
Since the rotation of the insert 50 can be started immediately before reaching,
The insert body 50 can smoothly move from the forward movement along the curve of the guide housing portion 32 to the rotation around the shaft 54.

When it is necessary to remove the door 40 from the housing 20 for the purpose of maintenance or repair, the lower end of the shaft 54 of the upper insert 50 is pulled down with a finger against the coil spring 56 and the upper side. The upper end of the shaft 54 is removed from the slit 34 of the regulation plate 33 on the upper surface of the receiving body 30, and the upper insert body 50 side is tilted forward to be removed from the upper receiving body 30, and then the entire door 40 is lifted. The lower end portion of the shaft 54 of the lower insert body 50 on the lower surface of the lower receiving body 30.
The door 40 may be pulled out forward by removing it from the slit 34.

To attach the removed door 40 to the housing 20, the above procedure may be reversed. That is, the lower insert 50
Into the guide accommodating portion 32 of the receiving body 30 on the lower side, and the shaft 54
Fit the lower end of the slit into the slit 34, and then insert the upper insert 5
When the lower end of the shaft 54 of 0 is pulled down with a finger, the upper insert 50 is inserted into the guide accommodating portion 32 of the upper receiving body 30, and the lower end of the shaft 54 is released. The upper end of the shaft 54 is fitted into the upper slit 34.

As described above, the opening and closing of the door 40 is performed by the movement of the insert body 50 guided by the guide accommodating portion 32 of the receiving body 30, and the door 40 is moved forward from the innermost portion of the guide accommodating portion 32. Since it rotates at a position that has moved to some extent, the front edge plate portion 23a of the housing 20 and the edge plate portion 41 of the door 40 do not collide with each other in the opening and closing operation as in the case of the uniaxial hinge.

As shown in FIG. 5, at the beginning of opening the door 40,
Since the door 40 moves in a direction substantially parallel to the edge plate portion 23 of the housing 20, the inside of the edge plate portion 23 of the housing 20 or the door 40 is moved.
Even when the band plate 70 is provided inside the edge plate portion 41 and the seam between the housing 20 and the door 40 is covered in the closed state, the door 40 is opened and closed without colliding with the band plate 70. You can

FIG. 10 shows a case in which the housing 20 has a hollow quadrangular shape. In this case, the receiving body 30 is fixed to the housing 20 by the mounting bracket 71 so that the receiving body 30 has the same angle as in FIG. do it.

In the above embodiment, the receiving body 30 is fixed to the housing 20 and the insert body 50 is fixed to the door 40, but this is reversed and the insert body 50 is fixed to the housing 20. Even if the receiving body 30 is fixed to the door 40, it is apparent that the same opening / closing operation is performed.

Further, the guide accommodating portion 32 of the receiving body 30 and the insert body 50 may be formed in the same straight line as shown in FIG. In this case, the door 40
Is linearly separated from the housing 20 at the beginning of opening,
Rotate.

Further, the relationship between the slit 34 of the regulating plate 33 and the shaft 54 of the insert 50 in the above embodiment is reversed, and a shaft (not shown) is provided on the regulating plate 33 so that the insert 50 has A long groove (not shown) in which the shaft fits and slides may be provided.

[0035]

As described above, the door opening / closing device of the present invention has the receiving body having the guide accommodating portion fixed to either the housing or the door and the guide fixed to the other of the housing and the door. Since there is an insert body which is slidably guided and housed in the accommodating part in the inserting / removing direction and is rotatable at the outermost part of the guide accommodating part in the extracting direction, the insert body is slid from the guide accommodating part of the receiving body. By moving and pulling to the outermost side in the pulling direction and pulling out the door from the housing and rotating, the door can be opened without collision between the end of the housing and the end of the door even though it has a uniaxial structure. You can

Further, the structure is remarkably simple as compared with the conventional four-axis structure, the assembling work is remarkably simple, and the cost is reduced.

Further, since the structure is simple, the work for removing and installing the door 40 is significantly simplified.

Even if the depth of the housing is small, it can be easily attached.

[Brief description of drawings]

FIG. 1 is a schematic perspective view showing an embodiment of the present invention.

FIG. 2 is a perspective view showing a main part of the embodiment shown in FIG.

FIG. 3 is a plan view showing a main part of the embodiment shown in FIG.

FIG. 4 is a side view of the insert of the embodiment of FIG.

5 is an operation explanatory diagram of the embodiment of FIG.

FIG. 6 is an operation explanatory diagram of the embodiment of FIG. 1.

7 is an explanatory diagram of the operation of the embodiment of FIG.

FIG. 8 is an operation explanatory diagram of the embodiment of FIG. 1.

FIG. 9 is a plan view showing another embodiment of the present invention.

FIG. 10 is a plan view showing another embodiment of the present invention.

FIG. 11 is a plan view showing a main part of another embodiment of the present invention.

FIG. 12 is a sectional view of a conventional door opening / closing device.

FIG. 13 is a sectional view of a conventional door opening / closing device.

FIG. 14 is a plan view of another conventional door opening / closing device.

FIG. 15 is a plan view of another conventional door opening / closing device.

[Explanation of symbols]

 20 Housing 30 Receiving Body 32 Guide Housing 33 Regulation Plate 34 Slit 40 Door 50 Insert 54 Shaft

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Toru Toida Toru Toida 1-6, 1-chome, Saiwaicho, Chiyoda-ku, Tokyo Nihon Telegraph and Telephone Corporation

Claims (1)

[Claims] 1. A door opening / closing device for connecting a door to a housing so that the door can be opened and closed, and a receiver having a guide accommodating portion fixed to either the housing or the door, and the other of the housing and the door. A door opening / closing device, comprising: an insert body that is slidably guided in the fixed guide accommodating portion in an inserting / removing direction, and is rotatable at an outermost part of the guide accommodating portion in the extracting direction. .