JP2003172060A - Earthquake-sensitive lock device for door with damper - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce labor and time required for installing an earthquake- sensitive lock device for a door and a damper to a cabinet. <P>SOLUTION: This locking device is equipped with a lock main body 2 to be attached to a cabinet C and a linking device 3 to be attached to a door D, and the main body 2 and the device 3 are linked together when an earthquake occurs and the door D becomes not openable; for this purpose, a damper 4 is installed to the lock main body 2 for easing the impact created when the door D is closed. The damper 4 is equipped with a damper main body 11 attached to the lock main body 2, and a rod 12 which is quickly protruded toward opening door D from the damper main body 11 and is pushed by a closing door D and then gradually absorbed in the damper main body 11, and the attaching position of the damper main body 11 can be adjusted in go in and out direction of the rod 12 (direction of arrow A). Therefore, the damper 4 is provided to the lock main body 2 and thus the damper 4 can be arranged to the cabinet C by attaching the lock main body 2 to the cabinet C. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combination of a door seismic lock device that prevents a door from being opened when an earthquake occurs and a damper that absorbs a shock when the door is closed.

[0002]

2. Description of the Related Art Conventionally, a seismic lock device for a door is provided with a lock body to be mounted on a cabinet and a locking device to be mounted on the door. There is something to do. The seismic lock device for a door may malfunction due to an impact when the door is closed. Therefore, a damper may be attached to the cabinet to prevent malfunction of the door seismic lock device. Some of the dampers include a damper main body attached to a cabinet and a receiving member that moves forward and backward from the damper main body, and the receiving member is gradually retracted by a closing door to reduce the impact.

[0003]

When the seismic locking device for doors and the damper are installed side by side in the cabinet, the lock body and the damper body have to be separately attached to the cabinet, which is troublesome. Therefore, in order to solve this problem, the present invention is to provide a seismic lock device for a door with a damper that can reduce the time and effort required to install the both.

[0004]

[Means for Solving the Problems] Means adopted by the present invention as set forth in claim 1 in order to reduce the trouble when the door seismic lock device and the damper are provided side by side with a lock body to be installed in the cabinet. In a seismic lock device that includes a locking device that is attached to a door and that engages with each other in the event of an earthquake so that the door cannot be opened, the lock body is provided with a damper that reduces the impact when the door is closed. This is a seismic lock device for a door with a damper, which is characterized in that In the present invention, since the lock body is provided with the damper, by attaching the lock body to the cabinet,
The damper will be installed in the cabinet.

In order to make it possible to easily adjust the cushioning capacity of the damper, the means adopted by the present invention according to claim 2 is that the damper is a damper main body attached to the lock main body, and a door opened from the damper main body. A rod that protrudes rapidly toward the damper body and is gradually pushed into the damper body by being pushed by the closing door.
2. A structure in which the rod can be adjusted in and out of the direction.
It is a seismic lock device for a door with a damper as described. According to the present invention, by adjusting the mounting position of the damper main body with respect to the lock main body in the entrance / exit direction of the rod, it is possible to adjust the cushioning ability of the damper by changing the dimension in which the rod moves in the retracted direction together with the closing door. it can.

In order to easily attach the damper to the seismic lock device, the means adopted by the present invention according to claim 3 is characterized in that the lock body is provided with an insertion hole along the direction of movement of the rod. The seismic lock device for a door with a damper according to claim 2, wherein the damper main body is inserted into the insertion hole and attached. The damper body may be attached by fixing the set bolt screwed to the lock body to the damper body. In addition, in order to prevent the damper body that has received an impact from the door from moving in the direction in which the rod is retracted,
The male screw provided on the damper body is screwed into the female screw provided on the insertion hole of the lock body, and the set bolt is used together to receive the impact from the door at the screwing point of both screws. The rotation of the screw in the direction of rotation may be blocked with a set bolt. According to the present invention, the damper main body can be easily attached to the optimum position of the lock main body only by inserting and attaching the damper main body into the insertion hole of the lock main body.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, a seismic lock device for a door with a damper according to the present invention (hereinafter referred to as "the seismic lock device of the present invention").
Will be described based on the embodiment shown in the drawings.

(First Embodiment) FIGS. 1 to 4 show a first embodiment of a seismic lock device according to the present invention. FIG. 1 shows a state in which a door is attached to a cabinet and the door is closed. 2 is a bottom view of the same state, FIG. 3 is a side view of a state in which the door cannot be opened when an earthquake occurs, and FIG. 4 is a front view taken along line IV-IV of FIG.

The seismic lock device 1 of the present invention comprises a lock body 2 which is attached to the cabinet C with screws or the like, and a locking device 3 which is attached to the door D with screws or the like. The door D cannot be opened, and the lock body 2 is provided with the damper 4 for absorbing the impact when the door D is closed. The lock main body 2 includes a main body casing 5, a lock bar 6 (see FIG. 3) that is built in the main body casing 5 and is biased in a protruding direction so that the lock bar 6 can be retracted and retracted. And a release mechanism (not shown) which is built in the main body casing 5 and releases the holding state of the holding mechanism, and when the lock lever 6 is retracted against the biasing force. , The immersive state is automatically held by the holding mechanism, and when the release mechanism senses an earthquake, the holding state of the holding mechanism is released and the lock bar 6 is automatically projected. The locking tool 3 includes a locking piece 7 and a return piece 8, and the both are joined 9 on the mounting side. The locking piece 7 is a rigid piece having a large bending rigidity, and the return piece 8 is an elastic piece made of a spring plate having a small bending rigidity.

In the seismic lock device 1 of the present invention, as shown in FIG. 1, when the door D is closed, the lock bar 6 of the lock body 2 is pushed in the retracted direction by the return piece 8 of the locking device 3 to lock. A holding mechanism (not shown) of the main body 2 holds the lock bar 6 in the retracted state. When there is no earthquake, this lock bar 6
Since the retracted state (retracted state) is maintained, the lock bar 6 and the locking piece 7 are not engaged, and the door D can be freely opened and closed. When an earthquake occurs, as shown in FIG. 3, the release mechanism that detects the earthquake releases the holding state of the holding mechanism, and the biased lock bar 6 automatically protrudes from the body casing 5 (forward). Door D to be opened
The hook 7a at the tip of the locking piece 7 that moves together is engaged with the lock bar 6 so that the door D cannot be opened. When the earthquake subsides, push the door D in the closing direction to
As shown in FIG. 5, the return piece 8 of the moving locking tool 3 presses the lock bar 6 of the lock main body 2 in the retracted direction to maintain the retracted state (retracted state) of the lock bar 6.

The damper 4 rapidly protrudes (forwards) from the damper main body 11 attached to the lock main body 2 toward the door D opened from the damper main body 11, and is pushed by the closing door D to the damper main body 11. And a rod 12 that gradually immerses (retracts). As the damper body 11, a friction type in which the rod 12 is gradually retracted by using solid friction, or a fluid type in which the rod 12 is gradually retracted by using the viscosity or dynamic pressure resistance of fluid is adopted.

In the damper 4, the mounting position of the damper main body 11 is changed to the arrow A direction (see FIG. 3) which is the direction in which the rod 12 moves in and out, so that the damping capacity of the damper can be adjusted. Specifically, the damper main body 11 is inserted into the insertion hole 13 provided in the lock main body 2 along the arrow A direction, and the set bolt 14 screwed to the lock main body 2 is fixed to the damper main body 11 to set the optimum position. Damper body 1
1 is attached. Further, in order to prevent the damper body 11 that receives an impact from the door D from moving in the direction in which the rod 12 is retracted, although not shown, a female screw provided in the insertion hole 13 of the lock body 2 is attached to the damper body. 11
The screwing of the male screw provided on the is used together with the set bolt 14 so that the impact from the door D is received at the screwing point of both screws, and the rotation of the damper body 11 in the screw rotation direction is performed. It may be blocked by.

In the damper 4, when the door D is opened, the rod 12 automatically protrudes (forwards) from the damper main body 11,
Conversely, when the closing door D hits the tip 12a of the rod 12, the closing door D pushes the rod 12 so that the damper body 1
By gradually immersing (retracting) to 1, the impact of the closing door D is alleviated.

The seismic lock device 1 of the present invention comprises a lock body 2
Since the damper 4 is provided in the cabinet C, the damper 4 is provided in the cabinet C by attaching the lock body 2 to the cabinet C. Further, in the seismic lock device 1 of the present invention, the damper main body 11 can be easily attached to the optimum position of the lock main body 2 only by inserting and attaching the damper main body 11 into the insertion hole 13 of the lock main body 2. Further, by adjusting the mounting position of the damper main body 11 with respect to the lock main body 2 in the direction of arrow A, it is possible to adjust the cushioning capacity of the damper 4 by changing the dimension in which the rod 12 moves in the retracted direction together with the closing door D. it can.

(Second Embodiment) FIGS. 5 and 6 show a second embodiment of the seismic lock device of the present invention. FIG. 5 shows a state in which the door is closed after being attached to the cabinet and the door. FIG. 5 is a side view showing a state in which the door cannot be opened when an earthquake occurs.

The seismic lock device 21 of the present invention comprises a lock body 22 which is attached to the cabinet C with screws or the like, and a locking device 23 which is attached to the door D with screws or the like.
The lock body 22 is provided with a damper 4 for absorbing a shock when the door D is closed. The lock body 22
Includes a main body casing 25, a swingable lock bar 26 having a root side built into the main body casing 25 and biased to rotate in an upward direction (counterclockwise direction in FIG. 5) which is a forward direction, and a main body. Lock bar 2 built in casing 25
6 is provided with a holding mechanism (not shown) that holds the retracted state (state of FIG. 5) and a release mechanism (not shown) that is built in the main body casing 25 and releases the holding state of the holding mechanism. When the lock lever 26 is retracted against it, the retracted state is automatically held by the holding mechanism, and when the release mechanism detects an earthquake, the holding state of the holding mechanism is released and the lock bar 26 is automatically moved upward. The tip end portion 26a is turned forward to advance. The locking tool 23 is a rigid one having a large bending rigidity, and is provided with a hook portion 23a at the tip thereof, and the tip portion 26a which is pivoted upward in the lock bar 26 and is advanced to the hook portion 23a.
Are to be engaged.

In the seismic lock device 21 of the present invention, when the door D is closed as shown in FIG. 5, the lock bar 26 of the lock body 22 is pushed downward by the locking tool 23 in the backward direction.
The lock bar 26 is held by a holding mechanism (not shown) of the lock body 22
Hold the retracted state of. When there is no earthquake, the locked state of the lock bar 26 is maintained, so the lock bar 2
There is no engagement between 6 and the locking piece 27, and the door D can be freely opened and closed. When an earthquake occurs, as shown in FIG. 6, the holding mechanism of the holding mechanism is released by the release mechanism that senses the earthquake, and the urged lock bar 26 is swung upward to move forward. At the same time, the hook 27a at the tip of the locking piece 27 that moves together with the door D to be opened is engaged with the tip 26a of the lock bar 26 so that the door D cannot be opened. When the earthquake has subsided, the door D is pushed in the closing direction to push the lock bar 26 of the lock body 22 in the backward direction by the moving locking tool 23 as shown in FIG. Hold the retracted state.

The damper 4 is formed substantially the same as that of the first embodiment, and the damper main body 11 is inserted into the insertion hole 33 formed in the lock main body 22 and screwed to the lock main body 22. The bolt 34 is fixed to the damper body 11, and the damper body 11 is attached at the optimum position. In the damper 4, the mounting position of the damper body 11 is changed to the arrow A direction, which is the direction in which the rod 12 moves in and out, so that the shock absorbing capacity of the damper can be adjusted.

In the damper 4, when the door D is opened, the rod 12 automatically protrudes (forwards) from the damper body 11,
Conversely, when the closing door D hits the tip 12a of the rod 12, the closing door D pushes the rod 12 so that the damper body 1
Door D when closing by gradually immersing (retracting) to 1
Alleviates the impact of.

In the seismic lock device 21 of the present invention, since the damper 4 is provided on the lock body 22, by mounting the lock body 22 on the cabinet C, the cabinet C
The damper 4 will be provided. Further, in the seismic lock device 21 of the present invention, the damper main body 11 can be easily attached to the optimum position of the lock main body 22 only by inserting and attaching the damper main body 11 into the insertion hole 33 of the lock main body 22. Further, by adjusting the mounting position of the damper main body 11 to the lock main body 22 in the arrow A direction of the rod 12 (see FIG. 6), the door 1 is closed together with the door D.
It is possible to adjust the buffering capacity of the damper 4 by changing the dimension in which the 2 moves in the direction of immersion.

(Other Embodiments) The seismic lock device of the present invention is a lock body 2 (2) attached to a cabinet C.
2) and the locking tool 2 (23) attached to the door D is not limited to the structure of the above-mentioned embodiment, and any structure can be used as long as they engage with each other when an earthquake occurs and the door cannot be opened. It is also possible to change.

[0022]

According to the seismic locking device of the present invention as set forth in claim 1, when the lock body is attached to the cabinet, the damper is provided at the same time. Therefore, when the door seismic locking device and the damper are installed side by side. The labor of can be reduced. In the cabinet to which the seismic lock device of the present invention is attached, the shock when the door is closed is damped by the damper, so that the seismic lock device for a door can be prevented from malfunctioning.

According to another aspect of the present invention, there is provided the seismic lock device as described above,
Since it is possible to adjust the shock absorbing capacity of the damper by changing the dimension in which the rod is pushed by the closing door and gradually moves in the retracted direction, the shock absorbing capacity of the damper can be easily adjusted according to the weight of the door and the like.

According to a third aspect of the present invention, there is provided the seismic lock device as described above,
The damper body can be easily attached to the optimum position of the lock body.

[Brief description of drawings]

FIG. 1 is a side view showing a first embodiment of a seismic lock device of the present invention, which is attached to a cabinet and a door and shows a closed state of the door.

FIG. 2 is a bottom view of the same state.

FIG. 3 shows the first embodiment and is a side view of a state in which a door cannot be opened when an earthquake occurs.

FIG. 4 is a front view taken along the line IV-IV in FIG.

FIG. 5 is a side view showing a second embodiment of the seismic lock device of the present invention, which is attached to the cabinet and the door and shows a closed state of the door.

FIG. 6 shows a second embodiment and is a side view of a state in which a door cannot be opened when an earthquake occurs.

[Explanation of symbols]

2 (23) ... Lock body, 3 (23) ... Locking tool, 4 ... Damper, 11 ... Damper body, 12 ... Rod, 13 (3
3) ... insertion hole, 14 (34) ... set bolt

Claims (3)

[Claims] 1. A seismic lock device comprising a lock body to be mounted on a cabinet and a locking tool to be mounted on a door, the two being engaged with each other when an earthquake occurs so that the door cannot be opened. A seismic locking device for doors with a damper, which is equipped with a damper that reduces the impact when closing. 2. The damper comprises: a damper main body attached to the lock main body; and a rod that protrudes rapidly from the damper main body toward an open door and is gradually pushed into the damper main body by being pushed by the closing door. The seismic lock device for a door with a damper according to claim 1, wherein the mounting position of the damper body can be adjusted in the moving direction of the rod. 3. The seismic lock device for a door with a damper according to claim 2, wherein said lock body is provided with an insertion hole along the direction of movement of said rod, and said damper body is inserted and mounted in said insertion hole.