JP4030476B2 - Door closing safety device - Google Patents

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, etc. are in close contact with the frame when they are closed. When the door or door is closed, there is a risk that a person's body or a part thereof may be pinched between the door or the door and the frame in the final area and injured.
Elevator door closing safety devices are known, but in general sliding doors, large gates, hinged doors, etc., prevent people or parts of them from being injured by being sandwiched between the door or door and frame There was no door closing safety device to do.

Conventional normal sliding doors, large gates, hinged doors, etc. did not have door-closing safety devices. There was a problem that there is a risk of doing. In particular, people who cannot move quickly, such as the elderly and disabled, have a problem of high risk.
In view of the above problems, the present invention temporarily operates a stopper to stop the door or the door closing operation when closing the sliding door, large gate, hinged door, etc. Make sure that part of it is not pinched.

  For this purpose, the door-closing safety device of the present invention is provided with a stopper that forms a locking recess in the rail that guides the door of the frame, and that gives a biasing force in the direction of locking to the locking recess. In the middle of the closing direction operation, the stopper is locked to the locking recess to stop the door closing operation, 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 uses the stopper as a first stopper, and a second stopper is provided separately from the stopper, and the second stopper stops the door closing operation immediately before the door is finally closed, 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.

The door-closing safety device of the present invention is provided with a stopper formed by forming a locking recess in the rail that guides the door of the frame, and applying a biasing force in the direction of locking to the locking recess. Since the stopper is locked in the locking recess in the middle of the direction operation and stops the closing operation of the door, the door automatically stops the closing operation temporarily during the closing operation. Even if a person or a part thereof is interposed between the frame and the frame, the frame is not sandwiched between the door and the frame.
Furthermore, since the door closing safety device of the present invention is provided with an engagement release mechanism for releasing the engagement between the locking recess and the stopper, the temporary stopping of the door is released after the door is temporarily stopped. There is an effect that the door can be closed after confirmation.

Furthermore, the door closing safety device of the present invention uses the stopper as a first stopper, and a second stopper is provided separately from the stopper, and the second stopper stops the door closing operation immediately before the final closing of the door. Therefore, it is possible to obtain a safety effect that does not injure the fingers and the like without pinching the fingers or the like between the door and the frame immediately before the door is finally closed.
And since the cancellation | release mechanism which cancels the closing operation of the said 2nd stopper is provided, the effect which can cancel | release the stop just before the last closing of a door, can confirm safety without pinching of fingers etc. can be closed. Have
Further, the door closing safety device of the present invention is constituted by a connecting link mechanism provided between the stopper and the operation handle, so that the release mechanism can be operated manually and the door can be closed while checking safety. This also has the effect of being safe.

  The door closing safety device of the present invention is equipped with a normal sliding door frame and works in cooperation with a locking recess provided on a rail that guides the frame door to travel. It can also be equipped with hinged doors. When the apparatus of the present invention is mounted on a hinged door, it functions by changing the direction of a traveling roller described below by 90 ° from the direction of a traveling roller of a sliding door.

Details of the apparatus of the present invention will be described with reference to the preferred embodiments shown in the drawings. A preferred first embodiment is shown in FIGS. In the figure, reference numeral 1 denotes a sliding door, and the frame 10 is equipped with a main part of the safety device of the present invention described later. This frame 10 has left and right vertical vertical frames 11, a horizontal upper frame (not shown), and a lower frame 12, and traveling rollers 13 and 13 are attached to the lower frame 12.
Reference numeral 2 in the figure denotes a frame, which has a vertical frame 20 on the left and right, an upper frame (not shown), and a lower frame 21, and a traveling rail 22 that guides the traveling roller 13 of the sliding door to the lower frame 21. Is provided. The sliding door 1 is configured so that the vertical frame 11 is in close contact with the vertical frame 20 of the frame 2 when the sliding door 1 is closed like the known sliding door.
The running rail 22 is formed with a locking recess 23 for locking a first stopper of a safety device to be described later.

The main part of the first embodiment of the door 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 this stopper 31 is locked in the locking recess 23 of the traveling rail 22. The energizing power of is given. For this purpose, the stopper 31 protrudes downward from the tip of an arm 33 pivotally supported 32 on the lower frame 12 of the sliding door 1, and a traction spring 34 is installed between the rear end of the arm 33 and the lower frame 12. is there. The arm 33 is provided with a traveling roller 35 so as to travel on the traveling rail 22. And this stopper 31 is made into the 1st stopper with respect to the 2nd stopper mentioned later.
The positional relationship between the first stopper 31 and the locking recess 23 is such that the sliding door 1 and the frame are located at a position (shown in FIG. 2) where the sliding door 1 is pulled in the closing direction and the first stopper 31 is locked in the locking recess 23. There is an interval between the two so as not to sandwich a person's body.

Reference numeral 30 in the figure is 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 as a shaft support 37 on the vertical frame 11 of the sliding door 1. is there. The disengagement mechanism 40 is constituted by a connecting 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 mediation link 42, a support link 43, a first stopper mediation L-shaped link 44, a first stopper lateral link 45, 1 The stopper L-shaped link 46 is connected.

  The first stopper vertical link 41 has an upper end pivotally supported by the operation portion 36 ahead of the shaft support portion 37 of the operation handle 30, and a lower end pivotally connected to the intermediate portion of the first stopper mediate link 42. It is. The base end of the support link 43 is pivotally supported 48 on the vertical frame 11, and the upper end of the first stopper mediation link 42 is pivotally connected 49 to the free end of the support link 43. The bent portion of the first intermediate L-link 44 for the stopper 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 intermediate L-link 44 for the stopper. The lower end of the stopper mediation link 42 is pivotally connected 51 to one end of the first stopper mediation 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 lateral link 45 is connected to the first stopper L-shaped link. The other end of the first stopper horizontal link 45 is connected to the other end of the first stopper intermediary link 44 and is connected to the other end of the first stopper intermediary link 44. The other end of the first stopper L-shaped link 46 is connected to the first stopper 31, and other than the first stopper L-shaped link 46 is inserted into the elongated hole 55 formed in the upright piece 39 provided in the arm 33. A connecting pin 57 protruding from the end is loosely inserted.

  In the figure, reference numeral 60 denotes a second stopper provided so as to be able to enter and exit so as to rotate to the left end of the intermediate position of the vertical frame 11, and the second stopper 60 projects so that the vertical frame of the frame 2 is projected. 20, a slight gap is formed between the frame 2 and the sliding door 1 so as not to pinch fingers or the like. A release mechanism 61 is provided between the second stopper 60 and the operation handle 30 to release the protrusion of the second stopper 60 and retract it. The release mechanism 61 is configured by connecting a second stopper vertical link 62, a second stopper L-shaped link 63, and an operating link 64. The lower end of the second stopper vertical link 62 is pivotally coupled 65 to the tip of the operating portion 36 of the operating handle 30, and the upper end is pivotally coupled 66 to the lower end of the second stopper L-shaped link 63. The upper end of the L-shaped stopper link 63 and one end of the operating link 64 are pivotally connected 67, and the tip of the operating link 64 is connected to the second stopper 60.

The operation of the first embodiment configured as described above will be described.
First, FIG. 1 shows a position in the middle of the closing movement of the sliding door 1. When the first stopper 31 reaches the position of the locking recess 23 of the traveling rail 22 by further closing and moving from this position to the left in the figure, the first Since the downward biasing force is applied to the stopper 31 by the pulling force of the spring 34, the stopper 31 is moved downward and locked to the locking recess 23, and the sliding door 1 stops its movement (shown in FIG. 2). Therefore, a space 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 operating handle 30 is rotated to pull up the first stopper vertical link 41 of the disengagement mechanism 40, each link connected thereto is activated, and the first stopper 31 is operated. 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 protrudes from the vertical frame 11 of the sliding door 1 in the frame direction via the link mechanism (third illustrated).
Therefore, 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 a slight gap is secured between the sliding door 1 and the frame 2 so that fingers and the like can be sandwiched. Absent. Thereafter, when the operation handle 30 is returned, the second stopper 60 is retracted, and the sliding door 1 can be closed to the frame 2 (shown in FIG. 5).

Next, a second embodiment is shown in FIGS. FIG. 6 shows 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, and shows the first stopper and its release mechanism. In the drawing of the second embodiment, members having the same reference numerals as those of the embodiment shown in FIGS. 1 to 5 are similar members.
That is, the second embodiment has a first stopper 31, an operating handle 30, and an engagement release mechanism 40. The engagement release mechanism 40 includes a first stopper vertical link 41 and a first stopper mediation link 42. The first stopper intermediary L-shaped link 44, the first stopper lateral link 45, and the first stopper L-shaped link 46 have the same operation as the first stopper 31 and the release mechanism 40 of the first embodiment. . The structure different from 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 stopper vertical link 41 is pivotally connected 68 to the tip thereof, so that the operation handle 30 is The link mechanism is pulled by turning up and rotating, and the first stopper 31 is lifted up 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 with a slightly shifted position from the first stopper 31. The release mechanism 80 for the second stopper 70 is the same as the first stopper release mechanism, the second stopper vertical link 81, the second stopper mediation link 82, the second stopper mediation L-shaped link 84, the second stopper. The first stopper releasing mechanism 40 and the first stopper releasing mechanism 40 of the first embodiment are provided between the operating handle 30 and the second stopper 70. It is constituted similarly.
However, the difference from the release mechanism of the first stopper is that the upper end of the second stopper vertical link 81 is pivotally coupled 87 to the tip of the operation portion 36 of the operation handle 30, and the operation handle 30 is rotated downward. Each link is pulled by operating, and the engagement between the second stopper 70 and the locking recess 23 is released.

The operation of the second embodiment of the device of the present invention constructed as described above will be described.
FIGS. 6 and 7 show the position of the sliding door 1 during the closing movement. From this position, the sliding door 1 is further closed in the left direction in FIG. 6 and the right direction in FIG. 8, the sliding door 1 is locked in the locking recess 23 as shown in FIG. 8, and the sliding door 1 stops its movement. Therefore, a space is ensured between the sliding door 1 and the frame 2, and no person is caught.

In this state, as shown in FIG. 9, when the operation handle 30 is turned upward to pull up the first stopper vertical link 41 of the disengagement mechanism 40, each link connected thereto is activated, 1 The stopper 31 is pulled up to release the engagement with the locking recess 23 (shown in FIG. 9).
When the sliding door 1 is closed and moved from this state, the second stopper 70 is then locked to the locking recess 23 and the movement of the sliding door 1 is stopped. A slight gap is maintained between the sliding door 1 and the frame 2 at this position, and human fingers are not sandwiched (shown in FIG. 10).
When the operation handle 30 is further turned downward, the engagement between the second stopper 70 and the locking recess 23 is released (shown in FIG. 11). Further, when the sliding door 1 is closed, the sliding door 1 is brought into close contact with the frame and the sliding door 1 is closed.

The front view of 1st Example of this invention door-closing safety device. The front view of the stop state of the sliding door by the action | operation of the 1st stopper of the said 1st Example. The front view of the stop cancellation | release state of the said 1st stopper. Similarly, the front view of the stop state just before the final closing of the sliding door by the action | operation of the 2nd stopper of 1st Example. The front view of the said 1st Example of the final closed state. In the front view of the second embodiment of the door-closing safety device of the present invention, a second stopper is shown. The first stopper is shown in the rear view of the second embodiment. Similarly, in the rear view of the second embodiment, the sliding door is stopped by the operation of the first stopper. The figure which similarly shows the stop cancellation | release state of a 1st stopper. The figure which similarly shows the stop state of a 2nd stopper with the front view of 2nd Example. The front view of the stop cancellation | release state of a 2nd stopper similarly. The front view of the said 2nd Example of the final closed state.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Sliding door 2 Frame 10 Frame 11 Vertical frame 12 Lower frame 13 Traveling roller 20 Vertical frame 21 Lower frame 22 Traveling rail 23 Locking recessed part 30 Operation handle 31 1st stopper 32 Shaft support 33 Arm 34 Spring 35 Traveling roller 36 Operation part 37, 38 Shaft support 39 Standing piece 40 Disengagement mechanism 41 First stopper vertical link 42 First stopper mediation link 43 Support link 44 First stopper mediation L-shaped link 45 First stopper lateral link 46 First stopper L Character link 47, 49, 51, 53, 54 shaft connection 48, 50, 52 shaft support 55 long hole 57 connection pin 60 second stopper 61 release mechanism 62 second stopper vertical link 63 second stopper L-shaped link 64 Actuating link 65, 66, 67, 68 Shaft support connection 69 L-shaped phosphorus 70 Second stopper 80 Release mechanism 81 Second stopper vertical link 82 Second stopper mediation link 84 Second stopper mediation L-shaped link 85 Second stopper lateral link 86 Second stopper L-shaped link

Claims (1)

A locking recess is formed on 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 to the locking recess. The stopper is locked in the middle of the door closing operation. An engagement release mechanism for releasing the engagement between the locking recess and the stopper is provided so as to stop the door closing operation by locking to the recess, and the stopper is a first stopper. A second stopper is provided, and the door closing operation is stopped immediately before the door is finally closed by the second stopper, and a release mechanism for releasing the second stopper closing operation is provided, and the release mechanism is operated. An operation handle is provided, and the release mechanism is constituted by a connecting link mechanism provided between the stopper and the operation handle. By rotating the operation handle, the engagement release mechanism is operated to operate the first stopper. Of disengaging therewith and at the same time operable projecting state closes the second stopper door, pull the second stopper by returning the operating handle, To閉Ri safety device in the door as a closable.

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