JPH0658039A - Left-right opening device of door - Google Patents

Abstract

PURPOSE:To make a door compatibly for left opening and right opening any as desired or selectively. CONSTITUTION:Hinge shafts 3A, 3B for opening and shutting a single opening/ shutting door 1 to the left side and right side are provided penetrating the door vertically. Either of the hinge shafts 3A, 3B is divided up and down into two segments, which are put together or repulsed from each other by a spring pressure. A gear 41 is mounted on a handle shaft 21 which is rotated from handles installed on the left side and right side of the door. A hinge shaft emerging/retracting device 4 is furnished to emerge and retract the hinge shaft 3A or 3B from the upper and lower end faces of the door through a rack 31 mounted on the hinge shaft through pinions 42 driven in opposite directions from each other by this gear 41. Between the left and right hinge shafts a lock shaft 9 is mounted which is to hinder the operation of the other handle when opening is conducted from any one handle.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a left and right opening device for a door that can be opened leftward or rightward selectively and selectively.

[0002]

2. Description of the Related Art In a storage, a locker, a refrigerator or the like, one or more opening / closing doors are provided on the opening surface so that articles can be taken in and out. The open / close door is supported by a frame or frame on the main body of a storage or the like via a hinge at either the left end or the right end, and the door can be opened leftward or rightward around this hinge. Of course, a handle is provided on the front side opposite to this hinge, and a latch mechanism is provided if necessary.

[0003]

Since the storage case is manufactured by determining whether it is left-opened or right-opened at the manufacturing stage, it is not possible to select the convenience of use at the time of use, and the storage case etc. at the time of purchase. It is necessary to consider the installation position and usability. Therefore, when rearranging furniture such as a room, it may be inconvenient to use. This also applies to other furniture and storage devices.

An object of the present invention is to make it possible to arbitrarily select the opening direction of the door, either right or left, depending on its use.

[0005]

The present invention has been made to achieve the above object, and a hinge shaft serving as a hinge for opening and closing a door is provided above and below the door on both left and right sides of the door. This hinge shaft is divided into upper and lower parts so as to be repulsed by spring pressure or repulsive, and a gear is attached to the handle shaft that rotates by operating the handles provided on both left and right sides of the door. Through a pinion driven by gears in opposite directions to each other, a hinge shaft retracting device that allows the hinge shaft to retract from the upper and lower end surfaces of the door via a rack provided on the hinge shaft is provided.
The gist is that a lock shaft is installed between the left and right hinge shafts to prevent the other handle from being operated when the handle is opened by operating one of the handles.

[0006]

[Function] The retractable hinge shafts are arranged on the upper and lower surfaces of the left and right ends of the openable door and the handles are arranged on the left and right surfaces, respectively, and the side having the handle to be operated by the turning operation of the handle. The hinge shaft at is retracted via the hinge shaft retracting mechanism in combination with the gear and rack to release the lock with the main body side and prevent the other hinge shaft from entering the lock shaft. The hinge shaft is on the side opposite to the one that can be operated by pulling the handle on either the left or right side during use, and the door can be opened and left or right open can be freely selected for installation. It can be used regardless of the position or location.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A door opening / closing device according to the present invention will be described below with reference to the illustrated embodiments. In the figure, reference numeral 1 is an opening / closing door, which is formed in conformity with the main body side of a storage, a locker, a refrigerator, a library, etc. (hereinafter abbreviated as storage) and the shape of its opening. The structure of the door body 1,
The shape and size are not limited. This door body 1
Two handles 2 and 2 are rotatably provided on the left and right sides of the front side of the, and hinge shafts are provided so as to be retractable on both the left and right upper and lower sides. One of the shaft 3A and the hinge shaft 3B on the right side is a hinge of the door, and the door body 1 can be opened and closed.
Further, the hinge shafts 3A and 3A or 3B and 3B protruding vertically on the left or right side of the door body are respectively arranged on the same vertical line. The hinge shafts appearing at the top and bottom of the door body are supported by the hinge shaft retracting device 4, and the devices 4 are attached to both sides of the left end and the right end of the back surface of the door body 1 so as to face each other.

Since the hinge shafts 3A and 3B have the same structure, one hinge shaft 3A will be described. This hinge shaft 3
A is arranged on the upper end side and the lower end side of the door 1 so as to be arranged on the same straight line, and at the inner end side thereof, racks 31 are integrally formed along the hinge shaft longitudinal direction, and the hinge shaft is also formed. The spring 32 is interposed between the inner ends of the door main body or the crosspiece of the door main body, or between the support piece 11 and each hinge shaft end, and the elastic force of this spring causes the tip end of the hinge shaft 3A to move to the door main body. The spring 32 is designed to project slightly from the upper end surface and the lower end surface.
Is compressed so that the tip end of the hinge shaft 3A is completely immersed in the door, so that the vertical sliding amount of the hinge shaft 3A is determined.

A handle 2 is provided on the surface of the door body 1. The handle 2 is fixed to the end of a handle shaft 21 rotatably supported by the door body 1, and the center of the handle shaft 21 is provided. The gear 4 so that it fits inside the door body
1 is fixed, the pinion 42 and the idler 43 are meshed with the gear 41, and the pinion 42 is meshed with the rack 31 of the hinge shaft 3A on the upper side.
A pinion 44 is meshed with 3, and the pinion 44 is meshed with the rack 31 of the hinge shaft 3A on the lower side. The idler 43 and the pinions 42, 44 are rotatably supported by their respective shafts, and the gear shaft group constitutes the hinge shaft retracting mechanism 4 and is housed in the door body.

Therefore, when the handle 2 is rotated, the pinion 42 is directly rotated via the gear 41 fixed to the handle shaft 21 and the pinion 44 is rotated in the mutually opposite directions via the idler 43. Since each pinion is meshed with the rack of the hinge shaft, the hinge shaft is slid in the retracting direction by the rotation of the pinion and in accordance with the rotating direction. When the turning force of the handle is released, the elastic force of the spring 32 restores the handle 2 through the pinion, idler, and gear that mesh with the hinge and the rack.

In addition, when the door body 1 is closed, the storage body side 5 provided with the door body 1 that can be opened and closed has an upper end face and a lower end face of the door body, and an upper frame 51 and a lower frame that face each other. 52 is a tip end portion of the hinge shaft 3A protruding from the upper and lower end surfaces of the door body,
A locking hole 5H for fitting and locking is formed, and a tumbler pusher 6 is provided on the end surface of the main body side frame 53.

The door body 1 is provided with a guide 12 for supporting the hinge shaft 3A so that the hinge shaft 3A is slidable only in the vertical direction, and the tumbler 7 is slidably arranged on the guide 12 in a direction orthogonal to the hinge shaft 3A. The tumbler 7 is pressed by the spring 8 so as to project toward the inner surface of the door body, and the hinge shaft 3A is penetrated into the elongated hole of the tumbler. The hinge shaft 3A is provided with a tumbler locking groove 3t with which the tumbler locks at a position where its tip is recessed in the door body.

The tumbler pusher 6 is provided on the main body side opposite to the tumbler 7 when the door is closed.

In the door body 1, the hinge shaft 3A on the upper side,
The lock shafts 9 and 9 are slidably disposed between the 3B and between the hinge shafts 3A and 3B on the lower side, and both end surfaces of the lock shaft 9 face left and right. When facing the side faces of the hinge shafts 3A and 3B, and when one of the left and right hinge shafts is depressed by the handle operation and the fitting lock with the main body side frame is released, this hinge shaft side face The lock shaft tip pushed laterally at is locked by fitting and locking the lock shaft tip in the side groove of the other hinge shaft. As a result, when one of the handles is operated, the other handle is locked and cannot be operated, and both the left and right hinges are simultaneously depressed to prevent the door main body from being disengaged from the main body side. The two lock shafts, which are horizontally arranged above and below, move in the lateral direction in synchronization with each other.

Therefore, in the door body constructed as described above, when one of the left and right handles is operated, the hinge shaft on the handle operating side is retracted and the handle on the other side becomes inoperable, and the hinge shaft is projected. Locked in the state,
This hinged hinge shaft serves as a hinge to open and close the door.

[0016]

According to the door left / right opening device of the present invention, a hinge shaft, which serves as a hinge for opening / closing the door, is passed through the door on both the left and right sides of the opening / closing door. Pinion that is divided into springs or repulsed, and gears are attached to the handle shaft that rotates by operating the handles provided on the left and right sides of the door, and these gears drive in opposite directions. A hinge shaft retracting device that allows the hinge shaft to be retracted from the upper and lower end surfaces of the door via a rack provided on the shaft of the hinge, and one handle can be operated between the left and right hinge shafts. When a door is opened, the lock shaft that prevents the operation of the other handle is installed, so the door can be opened to the left arbitrarily and selectively.
It can be opened to the right, and when one handle is operated, the other handle is automatically locked and both the hinge shafts on the left and right sides of the door can be simultaneously retracted to prevent the door from falling off. It has the effect of opening and closing.

[Brief description of drawings]

FIG. 1 is a sectional view of a main part showing an embodiment of a left and right opening device for a door of the present invention.

FIG. 2 is a cross-sectional view showing a state in which the hinge shaft is fitted into the main body side.

FIG. 3 is an explanatory diagram showing a relationship between a lock shaft and a hinge shaft.

FIG. 4 is a front view of a door body.

[Explanation of symbols]

 1 Door Main Body 2 Handle 3A, 3B Hinged Shaft 31 Rack 32 Spring 4 Hinged Shaft Extending / Retracting Device 41 Gear 42,44 Pinion 5 Storage Main Unit Side 51 Upper Frame 52 Lower Frame 5H Locking Hole 6 Tumbler Press 7 Tumbler 8 Spring 9 Lock shaft

Claims (1)

[Claims] 1. A hinge shaft that serves as a hinge for opening and closing the door on both the left and right sides of a single open / close door is vertically penetrated, and the hinge shaft is divided into two parts by the spring pressure. Alternatively, a gear is attached to the handle shaft that is configured to repel and that is rotated by the operation of the handles provided on both left and right sides of the door, and the hinge shaft is attached to the hinge shaft via pinions that are driven by the gears in opposite directions. A hinge shaft retracting device that allows the hinge shaft to be retracted from the upper and lower end surfaces of the door via the rack provided, and when one handle is opened between the left and right hinge shafts, the other handle is operated. A left and right door opening device, which is characterized by having a lock shaft that prevents the door from being installed.