JP2004108140A - Safety device for closing door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent a human body or a part thereof from being caught between the door and a frame by activating a stopper temporarily and stopping closing action of a door during closing operation of a sliding door, a large-sized gate, a hinged door or the like. <P>SOLUTION: A traveling rail for guiding the traveling of a frame door is provided with a locking recess, and the door is provided with a stopper energized in the direction to be locked with the locking recess. The stopper is locked with the locking recess during closing action of the door, thus the closing action of the door is stopped. An engagement releasing mechanism to release engagement between the locking recess and the stopper is provided in a safety device for closing the door. <P>COPYRIGHT: (C)2004,JPO

Description

The present invention relates to a door-closing safety device such as a sliding door, a large gate, and a hinged door.

Sliding doors, large gates, hinged doors, and the like are designed to adhere to the frame when they are closed. There is a danger of injury when the body or a part of the human body is caught between the door or the door and the frame in the final area when the door or the door is closed.
Although safety devices for closing doors of elevator doors are known, in general sliding doors, large gates, hinged doors, etc., people or parts thereof are prevented from being hurt by being caught between the door or the door and the frame. There were no door-closing safety devices.

Conventional sliding doors, large gates, hinged doors, etc. did not have door-closing safety devices, so in the final area of door and door closing operation, a person or part of it was caught between the door or door and the frame, resulting in injury. There was a problem that there was a risk of doing. In particular, there is a problem that a person who cannot move quickly, such as an elderly person or a disabled person, has a high risk.
The present invention has been made in view of the above problems, and when closing a sliding door, a large gate, an opening door, etc., a stopper is temporarily operated to stop the closing operation of the door or door, and a person or a person is placed between the door or door and the frame. Part of it should not be pinched.

For this purpose, the door-closing safety device of the present invention has a locking recess formed on a rail that guides the frame door to travel, and a stopper provided on the door with a biasing force in a direction of locking the locking recess. The stopper is locked in the locking recess in the middle of the closing direction operation to stop the closing operation of the door, and an engagement release mechanism for releasing the engagement between the locking recess and the stopper is provided.

Further, the door closing safety device of the present invention, wherein the stopper is a first stopper, a second stopper is provided separately from the stopper, and the second stopper stops the closing operation of the door immediately before final closing of the door, A release mechanism for releasing the closing operation of the second stopper is provided.
Further, the release mechanism is constituted by a connecting link mechanism provided between the stopper and the operation handle.

In the door closing safety device of the present invention, a locking recess is formed in a rail that guides a door of a frame to travel, and a stopper is provided on the door to apply a biasing force in a direction of locking the locking recess, and the door is closed. Since the stopper is locked in the locking recess in the middle of the directional operation to stop the closing operation of the door, the door automatically temporarily stops the closing operation during the closing operation, and Even if a person or a part thereof is interposed between the door and the frame, the door and the frame are not sandwiched between the door and the frame.
Further, since the door closing safety device of the present invention is provided with an engagement release mechanism for releasing the engagement between the locking concave portion and the stopper, the temporary stop of the door is released after the temporary stop of the door. There is an effect that the door can be closed after confirmation.

Further, in the door closing safety device of the present invention, the stopper is used as a first stopper, and a second stopper is separately provided. The second stopper stops the closing operation of the door immediately before the door is finally closed. Therefore, just before the door is finally closed, a safety effect can be obtained without fingers or the like being pinched between the door and the frame, so that the fingers or the like are not injured.
Further, since the release mechanism for releasing the closing operation of the second stopper is provided, it is possible to release the stop just before the door is finally closed, and to close the door by confirming that there is no pinching of fingers or the like. Having.
In addition, since the door closing safety device of the present invention is configured by the link mechanism provided between the stopper and the operation handle, the release mechanism can be operated manually, and the door can be closed while confirming safety. In this respect, there is also an effect that the security is ensured.

The door-closing safety device of the present invention exerts a safety function in cooperation with a locking recess provided on a rail that guides the door of the frame by being mounted on a frame of a normal sliding door, but is mounted on a large gate. Can be installed on the hinged door. When the device of the present invention is mounted on a hinged door, it functions by changing the direction of the traveling rollers described below by 90 ° with respect to the direction of the traveling rollers of the sliding door.

The details of the apparatus of the present invention will be described with reference to the preferred embodiment shown in the drawings. 1 to 5 show a first preferred embodiment. In the drawing, reference numeral 1 denotes a sliding door, and a frame 10 of the sliding door is provided with a main part of the safety device of the present invention described later. The frame 10 has a vertical frame 11 on the left and right, a horizontal upper frame (not shown), and a lower frame 12, and running rollers 13, 13 are attached to the lower frame 12.
A reference numeral 2 in the figure denotes a frame, which includes a vertical frame 20 on the left and right sides, an upper frame (not shown), and a lower frame 21. Is provided. When the sliding door 1 is closed, the vertical frame 11 is in close contact with the vertical frame 20 of the frame 2 as in a known sliding door.
The running rail 22 has a locking recess 23 for locking a first stopper of a safety device described later.

The main part of the first embodiment of the door closing safety device of the present invention is a stopper 31 provided on the side surface of the lower frame 12 of the sliding door 1, and the stopper 31 is locked in the locking recess 23 of the traveling rail 22. Is applied. For this purpose, the stopper 31 is provided so as to protrude downward at the tip of an arm 33 pivotally supported in the middle of the lower frame 12 of the sliding door 1, and a traction spring 34 is provided between the rear end of the arm 33 and the lower frame 12. is there. The arm 33 is provided with a running roller 35 so that the arm 33 runs on the running rail 22. The stopper 31 is used as a first stopper with respect to a later-described second stopper.
The positional relationship between the first stopper 31 and the locking recess 23 is such that the sliding door 1 is pulled in the closing direction, and the sliding door 1 and the frame are positioned at a position where the first stopper 31 is locked in the locking recess 23 (FIG. 2). There is an interval between the two that does not pinch the human body.

Reference numeral 30 in the figure denotes an operation handle for operating an engagement release mechanism 40 for releasing the engagement between the locking recess 23 and the first stopper 31, and is provided on the vertical frame 11 of the sliding door 1 by being pivotally supported 37. is there. The engagement release mechanism 40 is constituted by a connection link mechanism provided between the operation handle 30 and the first stopper 31.
The connecting link mechanism includes a first stopper vertical link 41, a first stopper intermediate link 42, a support link 43, a first stopper intermediate L-shaped link 44, a first stopper horizontal link 45, One stopper L-shaped link 46 is connected.

The first stopper vertical link 41 has an upper end pivotally supported by the operation portion 36 before the pivotally supported portion 37 of the operation handle 30, and a lower end pivotally connected to an intermediate portion of the first stopper intermediary link 42. I have. The base end of the support link 43 is pivotally supported on the vertical frame 11, and the free end of the support link 43 is pivotally connected to the upper end of the first stopper intermediate link 42. The bent portion of the first stopper intermediate L-shaped link 44 is pivotally supported 50 at the boundary position between the vertical frame 11 and the lower frame 12 of the frame 10 to support the first stopper intermediate L-shaped link 44, The lower end of the stopper intermediate link 42 is pivotally connected 51 to one end of the first stopper intermediate L-shaped link 44. The bent portion of the first stopper L-shaped link 46 is pivotally supported at the position of the lower frame 12 near the first stopper 31, and one end of the first stopper horizontal link 45 is connected to the first stopper L-shaped link. The other end of the first stopper lateral link 45 is connected to the other end of the first stopper intermediary link 44 by a pivot connection 53 to one end of the first stopper 46. The other end of the first stopper L-shaped link 46 is connected to the first stopper 31, but the first stopper L-shaped link 46 is inserted into a long hole 55 formed in the upright piece 39 provided on the arm 33. A connecting pin 57 projecting from the end is loosely inserted.

In the figure, reference numeral 60 denotes a second stopper which is provided at the intermediate position of the vertical frame 11 at the middle left end so as to protrude toward the frame 2 so as to be able to enter and exit. A small gap is formed between the frame 2 and the sliding door 1 in order to prevent fingers or the like from being pinched. A release mechanism 61 is provided between the second stopper 60 and the operation handle 30 to release the second stopper 60 from the projection and to retract the second stopper 60. The release mechanism 61 is configured by connecting a second vertical link 62 for a stopper, an L-shaped link 63 for a second stopper, and an operating link 64. The lower end of the vertical link 62 for the second stopper is pivotally connected to the tip of the operating portion 36 of the operation handle 30, and the upper end is pivotally connected 66 to the lower end of the L-shaped link 63 for the second stopper. The upper end of the L-shaped link 63 for the two stoppers and one end of the operation link 64 are pivotally connected 67, and the tip of the operation link 64 is connected to the second stopper 60.

The operation of the first embodiment having the above configuration will be described.
First, FIG. 1 shows a position in the middle of the closing movement of the sliding door 1. When the sliding door 1 is further moved to the left in the figure and the first stopper 31 reaches the position of the locking recess 23 of the traveling rail 22, the first position is shown. Since the stopper 31 is given a downward biasing force by the pulling force of the spring 34, the stopper 31 moves down and locks the locking recess 23, and the sliding door 1 stops moving (shown in FIG. 2). Therefore, an interval is secured between the sliding door 1 and the frame 2 to prevent a person from being caught.

In this state, as shown in FIG. 3, when the operation handle 30 is rotated to pull up the first stopper vertical link 41 of the disengagement mechanism 40, each link connected thereto is operated, and the first stopper 31 is moved. To release the engagement with the locking recess 23.
At the same time, the second stopper vertical link 62 is pushed up by the turning operation of the operation handle 30, and the second stopper 60 projects from the vertical frame 11 of the sliding door 1 in the frame direction via the link mechanism (third illustration).
Then, when the sliding door 1 is further closed and moved, the second stopper 60 hits the vertical frame 20 of the frame 2 as shown in FIG. 4, and secures a small interval between the sliding door 1 and the frame 2 to pinch a finger or the like. Absent. Thereafter, when the operating handle 30 is returned, the second stopper 60 is retracted, and the sliding door 1 can be closed to the frame 2 (see FIG. 5).

Next, FIGS. 6 to 12 show a second embodiment. FIG. 6 is a front view of the second embodiment, showing a second stopper and its release mechanism, the details of which will be described later.
FIG. 7 shows a rear view of the second embodiment, in which a first stopper and its release mechanism are shown. In the drawings of the second embodiment, members denoted by the same reference numerals as those in the embodiment shown in FIGS. 1 to 5 are the same members.
That is, the second embodiment includes a first stopper 31, an operation handle 30, and an engagement release mechanism 40. The engagement release mechanism 40 includes a first stopper vertical link 41, a first stopper intermediary link 42. , An intermediate L-shaped link 44 for the first stopper, a lateral link 45 for the first stopper, and an L-shaped link 46 for the first stopper, and operate in the same manner as the first stopper 31 and the release mechanism 40 of the first embodiment. . A configuration different from that of the first embodiment is that an L-shaped link 69 is fixed to the operation portion 36 of the operation handle 30, and the upper end of the first vertical link 41 for stopper is pivotally connected 68 to the tip of the L-shaped link 69. The link mechanism is pulled by the upward rotation and the first stopper 31 is raised to release the engagement with the locking recess 23.

The second stopper 70 shown in FIG. 6 has the same structure as the first stopper 31, and the second stopper 70 is provided at a position slightly shifted from the first stopper 31. The release mechanism 80 for the second stopper 70 is, like the release mechanism for the first stopper, a vertical link 81 for the second stopper, an intermediate link 82 for the second stopper, an intermediate L-shaped link 84 for the second stopper, a second stopper. And a second stopper L-shaped link 86 between the operating handle 30 and the second stopper 70, the first stopper releasing mechanism 40 and the first stopper releasing mechanism 40 of the first embodiment. It is configured similarly.
However, what is different from the release mechanism of the first stopper is that the upper end of the vertical link 81 for the second stopper is pivotally connected 87 to the tip of the operation portion 36 of the operation handle 30, and the operation handle 30 is rotated downward. By operating the respective links, the engagement between the second stopper 70 and the locking recess 23 is released.

The operation of the second embodiment of the present invention having the above-described configuration will be described.
6 and 7 show an intermediate position of the closing movement of the sliding door 1, from which the closing movement is further performed in the upper left direction in FIG. 6 and the upper right direction in FIG. When the sliding door 1 is reached, it is locked in the locking recess 23 as shown in FIG. 8, and the sliding door 1 stops its movement. Therefore, an interval is secured between the sliding door 1 and the frame 2, so that no person is interposed.

In this state, when the operating handle 30 is rotated upward as shown in FIG. 9 to pull up the first stopper vertical link 41 of the disengagement mechanism 40, each link connected thereto is operated, and (1) The stopper 31 is pulled up to release the engagement with the locking recess 23 (see FIG. 9).
When the sliding door 1 is closed and moved from this state, next, the second stopper 70 is locked in the locking recess 23 and the movement of the sliding door 1 is stopped. At this position, a slight gap is maintained between the sliding door 1 and the frame 2 so that a human finger is not pinched (see FIG. 10).
When the operating handle 30 is further rotated downward, the engagement between the second stopper 70 and the locking recess 23 is released (shown in FIG. 11), and when the sliding door 1 is further closed, the sliding door 1 comes into close contact with the frame, and the sliding door 1 is closed.

The front view of the 1st Example of the door closing safety device of the present invention. The front view of the stop state of the sliding door by operation | movement of the 1st stopper of the said 1st Example. FIG. 3 is a front view of the first stopper in a state where the stop of the first stopper is released. FIG. 6 is a front view of a stop state immediately before final closing of the sliding door by the operation of the second stopper of the first embodiment. FIG. 3 is a front view of the first embodiment in a final closed state. FIG. 5 is a front view of a second embodiment of the door closing safety device of the present invention, showing a second stopper. FIG. 9 is a rear view of the second embodiment, showing a first stopper. Similarly, in the rear view of the second embodiment, the sliding door is stopped by the operation of the first stopper. FIG. 5 is a diagram illustrating a stop release state of the first stopper. FIG. 9 is a front view of the second embodiment, showing a stopped state of a second stopper. FIG. 5 is a front view of the same second stopper in a stop release state. FIG. 7 is a front view of the second embodiment in a final closed state.

Explanation of reference numerals

DESCRIPTION OF SYMBOLS 1 Sliding door 2 Frame 10 Frame 11 Vertical frame 12 Lower frame 13 Running roller 20 Vertical frame 21 Lower frame 22 Running rail 23 Locking concave part 30 Operating handle 31 First stopper 32 Axial support 33 Arm 34 Spring 35 Running roller 36 Operating section 37 38 Axial support 39 Standing piece 40 Disengagement mechanism 41 First link for stopper vertical link 42 Intermediate link for first stopper 43 Support link 44 Intermediate L-shaped link for first stopper 45 Horizontal link for first stopper 46 L for first stopper Character links 47, 49, 51, 53, 54 Shaft connection 48, 50, 52 Shaft 55 Long hole 57 Connection pin 60 Second stopper 61 Release mechanism 62 Vertical link for second stopper 63 L-shaped link for second stopper 64 Working link 65, 66, 67, 68 Click 70 second stopper 80 releasing mechanism 81 second stopper for longitudinal link 82 second intermediary for intermediary link 84 second stopper Stopper L-shaped link 85 second stopper horizontal links 86 second L-shaped link Stopper

Claims (3)

A locking recess is formed in the rail that guides the door of the frame, and a stopper is provided on the door to apply a biasing force in the direction of locking the locking recess, and the stopper locks in the middle of the closing operation of the door. A door-closing safety device which is locked in a recess to stop the closing operation of the door, and further provided with an engagement releasing mechanism for releasing the engagement between the locking recess and the stopper. The first stopper is used as the stopper, and a second stopper is provided separately from the first stopper. The second stopper stops the closing operation of the door immediately before the door is finally closed, and releases the closing operation of the second stopper. The door closing safety device according to claim 1, further comprising a mechanism. 3. The door closing safety device according to claim 1, wherein the release mechanism is constituted by a connecting link mechanism provided between a stopper and an operation handle.

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