JP2001336322A - Breakage preventing device for door part of fireproof storage and the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide breakage preventing means for a handle, various devices, etc., of a door part of a fireproof storage/safe, etc., preventing damage from being caused to the handle, an operating mechanism, etc., even when a right door of double swinging doors collides against the handle of a left door of them in such a condition that the left door is not completely closed or any load acts on the handle of the left door. SOLUTION: The breakage preventing device for the door part of the fireproof storage, etc., is composed of a mounting bracket for fixing to the rear surface of the door, a handle device, a locking device, and an operating device for connecting the handle device with the locking device. The movable body of the operating device moves in response to the movement of the handle of the handle device, and a lock lever made the locking device is formed with a space for permitting the movement of the movable body in an unloaded condition.

Description

DETAILED DESCRIPTION OF THE INVENTION

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the prevention of damage to a handle of a door and its operating mechanism in a fireproof box, a safe and the like.

[0002]

2. Description of the Related Art Some conventional double door type fireproof safes and safes employ a structure in which a handle of one door is not exposed to the surface of the door. In the above-mentioned structure, even if it is a double door, only one handle is exposed on the door surface side like a single door without the handle being formed on each of the left and right doors. Therefore, the handle was not in the way and the appearance was simple. The double door with the above structure is formed at the side edge of the door that is exposed by opening one door because the handle on one side that is concealed is formed at the side edge of the door. The handle is raised to the front of the door to open the door.

When the handle formed on the side edge of the left door, which is the mating surface of the left and right doors, is raised toward the front side of the door, the lock between the door and the fireproof cabinet is released in response to the movement of the handle. At the same time, the lock mechanism is configured to be locked with the lock mechanism retracted into the door so that the unlocked state between the door and the fireproof housing main body can be maintained.

[0004]

In a door having a handle as described above (hereinafter referred to as a left door for convenience), the left door handle is opened from the side edge of the door with the left door opened. Once the handle is raised to the front side, the lock mechanism is actuated by the trigger, and the handle is maintained in a protruding state. When the left door is closed, the left door is not completely closed (the handle is protruding)
When the right door is closed with, the handles protruding from the side edges of the right door and the left door collide. In addition to the collision of the right door, some load may be applied to the handle of the left door while the left door is open. As described above, if a collision or any load acts on the handle in a state where the handle device, the locking device, the operating device, and the like are locked, the handle and the operating mechanism of each of the above devices will be applied. The impact was transmitted directly, causing the deformation and breakage.

[0005]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned drawbacks. The right door abuts on the left door or the handle of the left door in a state where the left door cannot be fully closed as described above. Provided is a means for preventing damage to the handle of a door in a fireproof storehouse, a safe, and the like and a lock mechanism of a locking device, which does not damage the handle and its operating mechanism even when some load is applied. Is what you do.

The present invention comprises a mounting fixture fixed to the back of a door, a handle device, a locking device, and an actuating device for connecting the handle device and the locking device, and the actuating device is moved by moving the handle in the handle device. The movable body responds,
A lock rod serving as the locking device is characterized by a device for preventing breakage of a door portion such as a fireproof storage box in which a space that allows the movement of the movable body without applying a load is formed.

Another feature of the present invention is a device for preventing breakage of a door portion such as a refractory box in which the movable body is formed on a rotating member which is pivotally mounted on one end of an operating rod of an operating device.

Further, the above-mentioned actuator is characterized by a device for preventing breakage of a door portion such as a fireproof storage provided with a spring for urging the handle in a direction protruding from a side edge of the door.

Further, the present invention is characterized by a device for preventing breakage of a door part such as a fireproof storage formed by bridging the spring between a rotating member or a mounting bracket and an operating rod of an operating device.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The door damage preventing device for a fireproof storage or the like according to the present invention comprises a fitting 2, a handle device 3, a locking device 4, and an operation for interlocking the handle device 3 with the locking device 4. It is composed of a device 5.

Hereinafter, a detailed description will be given based on embodiments.

Embodiment 1 FIG. 1 is a perspective view of a main body 1 such as a fireproof storehouse, a safe, and the like. Therefore, two doors are formed on the left and right, and in the present invention, in the right door, some handles of the handle device and some dial locks of the locking device are exposed and formed on the front side, In the left door, all devices are formed inside the door.

[0012] The double-door type door having the above-mentioned structure, which is an object of the present invention, releases the locked state of the locking device for the right door, opens the right door, and then opens the other left door. Therefore, a locking device is formed on each of the left and right doors, and the right door releases the locked state by operating a locking device such as a dial lock,
By turning the handle 6 formed on the front surface of the right door, the lock mechanism such as the bar is released, and the right door is opened. In the other left door, the right door is opened. The locked state is released by raising the handle 12 formed on the side edge of the exposed left door.

Hereinafter, a device for preventing damage to a door portion of a fireproof box, a safe and the like according to the present invention will be described in detail. FIG. 2 is a perspective view showing a device for preventing damage to a door portion provided on the back side of the left door in a state where the left and right doors are closed, and a handle device 3 formed on the side surface on the back side of the left door is shown in FIG. It is fixed adjacent to the side edge of the back side of the left door such as fireproof storage, and in the state where the left door is closed,
The left door and the main body are locked by the locking device 4 and at the same time, the handle 12 of the handle device 3 is drawn toward the locking device 4 by the operating device 5, so that the handle 12 is located on the side edge of the left door. It is in a retracted state.

The mounting bracket 2 includes a base portion 7, left and right side walls 8, 8 'raised from both side edges of the base portion 7, and flange portions 9, 9' formed above and below the one side wall portion 8.
It is composed of The base 7 is fixed to the back side of the left door, and the front ends of the flanges 9 and 9 'are fixed so as to contact the back side of the side edge of the left door.

The handle device 3 includes a fixing bracket 1 having a substantially hat-shaped cross section and attached to the side wall 8 of the mounting bracket 2.
0, a shaft 11 bridged between upper and lower flanges of the fixing bracket 10 and a handle 12 formed to be rotatable by a predetermined angle around the shaft 11.

The handle 12 has a substantially Z-shape, and the periphery of its tip is covered with a suitable means such as a synthetic resin or another material, and is appropriately shaped so as to be easily gripped.

The operating device 5 includes a fixing bracket 13 having a substantially U-shaped cross section fixed to a lower portion of the other side wall 8 ′ of the mounting bracket 2, and right and left flange portions 1 of the fixing bracket 13.
Shaft 15 bridged between 4, 14 ', handle device 3
And a substantially L-shaped rotating member 17 which is rotatable about the shaft 15. ing.

One end of the operating rod 16 is connected to the handle device 3.
The handle 12 is rotatably connected to the back side of the handle 12, and the other end is rotatably mounted on a shaft 18 formed on one protruding portion of a substantially L-shaped rotating member 17. The rotating member 1
7 is rotatable by a predetermined angle around a shaft 15 suspended between the flange portions 14 and 14 ′, and the shaft 18 is formed on one of the L-shaped protrusions as described above, The operating rod 16 is rotatably connected to the operating rod 16 by the shaft 18, and a pin 19 is formed on the other protruding portion. Also, the shaft 1
A spring body such as a spring 20 is attached between the pin 5 and the pin 19 and urges the pin 19 counterclockwise to push the pin 19 side upward about the shaft 15.

The locking device 4 rotates about an upper lock rod 21 and a lower lock rod 22 extending vertically and a shaft 23 formed at a position where the upper and lower lock rods 21 and 22 are relayed. A pivotable semi-circular plate 24, a guide hole 25 formed in the lower lock rod 22 at a position facing the pivot member 17, and a notch engagement serving as a lock means for the upper and lower lock rods 21 and 22. Part 26 and the notch engaging part 2
And a rotating body 35 having a lock means fixed to the back surface side of the door at a position facing the door 6. As shown in FIG. 3, the rotating body 35 has a locking member 32 at one end and a support member 34 for holding the advancing and retreating of the contact rod 33 at the other end, and is rotatable about the shaft 31. Is formed. Further, the rotating body 35 is actuated by the urging force of a spring 36.
The locking member 32 formed at the tip of the lower locking rod 2
It is constantly urged clockwise about the shaft 31 so as to rotate to the second side.

Lock members 27 and 28, such as a bar, which are engaged with the frame of the refractory housing main body 1 and the like are formed at the distal ends of the upper and lower lock rods 21 and 22, respectively. The guide hole 25 formed in the lower lock rod 22 is
A long hole is formed in the vertical direction which is the extension direction of the pin 2, and a pin 19 formed in the rotating member 17 is engaged with the guide hole 25, and the pin 19 moves vertically in the guide hole 25. It is formed so that. The length of the elongated hole of the guide hole 25 is formed so as to correspond to the moving distance of the pin 19 in the vertical direction.

In this embodiment, the guide hole 25 is formed in a reinforcing plate 29 projecting from the lower lock rod 22. A projecting body such as a spring 30 is formed between the lower lock rod 22 and the rear surface of the door. The spring 30 is urged to pull the lower lock rod 22 downward at all times. Is locked to the main body 1. When the lower lock rod 22 is pulled downward, the rotating semi-circle 24 is maintained in a state of being rotated clockwise about the shaft 23, and the upper lock rod 21 is pulled up. The locking member 27 at the tip is also locked to the main body 1.

FIG. 3 shows a continuation of FIG. 2, showing the locking device 4 formed on the back side of the left door, showing a state in which the left door is closed. When the left door is closed, one end of the contact rod 33 comes into contact with the fireproof main body 1, the corresponding contact rod 33 is pushed toward the lower lock rod 22, and the rotating body 35 is pressed against the urging force of the spring 36. The lock member 32 rotates counterclockwise about the shaft 31, and the engagement between the locking member 32 and the notch engagement portion 26 of the lower lock rod 22 is released. When the engagement state is released, the lower lock rod 22 is lowered by the urging force of the spring 30, and the lock member 28 at the tip of the lower lock rod 22 is locked to the main body 1.

As described above, when the lower lock rod 22 descends, the pin 19 of the guide hole 25 formed in the reinforcing plate 29 of the lower lock rod 22 also moves downward. The pin 1
The pivoting member 17 having the pin formed by the downward movement of the pivot 9 rotates clockwise about the shaft 15, whereby the operating rod 16 is pulled toward the locking device 4. Handle 12 formed on the other end of operating rod 16
Will be pulled inside the door.

FIGS. 4 and 5 show a state in which the left door is opened and the handle 12 is raised. FIG. 4 shows a device on the side edge portion on the back side of the door, and FIG. 4 and the like are shown. When the right door is opened, the mating surfaces of the left and right doors are separated, exposing the side edges of the left door. Due to the exposure of the side edge, the handle 12 formed on the side edge can be raised toward the front side of the left door against the urging force of the spring 30.

By raising the handle 12 to the front side of the left door, the handle device 3, the locking device 4, the operating device 5 and the like shift from the state shown in FIGS. 2 and 3 to the state shown in FIGS. I do. In the state shown in FIGS.
It is rotated clockwise against the urging force of 0, but the side edge of the left door is opened as described above, and the locking member 3
Even if the notch 2 is disengaged from the notch engaging portion 26, since the urging force of the spring 30 formed on the lower lock rod 22 is formed stronger than the urging force of the spring 20, the handle 12
Is maintained as it is. In this state, the handle 12 is gripped and the force is applied to the spring 3.
The handle 12 can be raised to the front side of the left door against the urging force of zero. Then, the operating rod 16 and the shaft 18 are responsively pulled toward the handle 12, and the rotating member 17 rotates counterclockwise about the shaft 15. By this rotation, the pin 19 disposed in the guide hole 25 and in contact with the upper end of the long hole is lifted upward, whereby the lower lock rod 22 is also moved by the spring 30.
Will be lifted upward against the urging force.

When the lower lock rod 22 is lifted upward, the locking member 32 of the rotating body 35 to which a rotational force is applied clockwise about the shaft 31 by the spring 36 is moved to the lower lock rod 22. Is engaged with the notch engaging portion 26. The engagement between the locking member 32 and the notch engaging portion 26 locks the lower lock rod 22 in a raised state.

Therefore, when the lower lock rod 22 is raised and locked, that is, when the left door is opened, the lock members 27 and 28 such as a bar are maintained in a state of being drawn into the door. It will be.

As described above, once the handle 12 is raised, the handle 12 is locked, and the handle 12 is maintained in a state of protruding from the side edge of the door. May be pushed inside the door. FIG. 6 shows a state in which the handle 12 is pushed into the door when the handle 12 is raised. When the handle 12 is pushed in, the operating rod 16 responds to the shaft 18 side, and the pressing force causes the shaft 18 to move.
Is rotated clockwise around the shaft 15. This indicates that the handle device 3, the locking device 4, the operating device 5, and the like change from the state of FIGS. 4 and 5 to the state of FIG.

When the rotating member 17 rotates clockwise about the shaft 15, the lower locking rod 22
5, the lower locking rod 22 does not move downward, and the pin 19 formed on the rotating member 17 moves in the elongated hole of the guide hole 25. It will be. Therefore, the pin 19 moves from the upper end to the lower end in the elongated hole of the guide hole 25. At this time, since the lower lock rod 22 is locked, no movement of the member occurs on the locking device 4 side.

When the left door is closed from the open state to the closed state, as shown in FIG.
Is in contact with the fireproof main body 1 and the rotating body 35 is
Is rotated counterclockwise around the center of the lock member 32, and the engagement between the locking member 32 and the notch engaging portion 26 of the lower lock rod 22 is released. In this state, the urging force of the spring 30 that pulls the lower lock rod 22 downward is formed stronger than the urging force of the spring 20 that is acting on the rotating member 17 of the operating device 5. The rod 22 descends.
By this movement, the lock members 27 and 28 formed at the tips of the upper and lower lock rods 21 and 22 project from the inside of the left door and are locked to the main body 1.

At the same time, the pin 19 located at the upper end of the long hole of the guide hole 25 formed in the lower lock rod 22
It is pushed by the upper end of the elongated hole against the urging force of the spring 20 and moves downward. As a result, the rotating member 17 rotates clockwise about the shaft 15.
By the rotation of the rotating member 17, the operating rod 16 is pulled toward the shaft 18, and the handle 12 is settled on the side edge of the left door.

[0032]

Embodiment 2 FIG. 7 shows another embodiment showing the relationship between the rotating member and the lock rod. A protruding plate 29 'is provided in place of the reinforcing plate 29 formed on the lower lock rod 22, and a locking portion is formed at the tip of the protruding plate 29'. Therefore, there is no obstacle below the locking portion, and the space below the locking portion is a space in which the pin 19 'of the rotating member 17' moves.
The locking portion serves as the upper end of the elongated hole of the guide hole 25.

[0033]

Third Embodiment FIG. 8 shows another embodiment of the device for preventing breakage of a door portion of a fireproof storage or the like according to the present invention.
The position of the spring 20 formed at the other position is set as another position. The spring 37 extends between the side wall 8 of the mounting bracket 2 and the operating rod 16 of the operating device 4. Example 3
Is also urged by the spring 37 in the direction in which the handle 12 is protruded in the same manner as in the first embodiment, and the actions of the handle device 3, the locking device 4, the operating device 5, and the like are the same as those in the first embodiment.
It is the same as the two.

As described above, the structure and operation of the apparatus for preventing breakage of a door such as a fireproof storage according to the present invention have been described along the fireproof storage, but the object is not limited to the fireproof storage. Also, the mounting bracket of the present invention, a handle device,
The specific configuration shown in the locking device, the operating device, etc.
It is not limited to only the embodiment. For example, the position of the spring, the relationship between the pin and the lock rod, the relationship between the notch engaging portion of the lock rod and the locking member, and the like may be in various forms.

[0035]

In the device for preventing breakage of a door such as a fireproof storehouse of the present invention having the above-mentioned structure, when the door is opened, a certain load is applied to the handle 12 formed on the side edge portion, and the handle is opened. 1
Even when the handle 2 is pushed inward, the movable member such as the pin 19 formed on the rotating member 17 at one end of the operating device 5 connected to the handle 12 is locked with the lower lock rod 22 in the locked state. Only by moving in the movable space formed in the above, the impact generated by the load can be absorbed by the movement of the movable body. Due to the absorption of the impact, the load is not directly transmitted as an impact force to the handle or other operating mechanism, and the components, devices, and the like are not damaged.

[Brief description of the drawings]

FIG. 1 is a perspective view of a fireproof storage provided with a door damage prevention device of the present invention.

FIG. 2 is a perspective view showing a state in which a door of the device for preventing damage to a door portion of a fireproof storage or the like of the present invention is closed.

FIG. 3 is a perspective view showing a state in which a door of a device for preventing damage to a door portion of a fireproof storage or the like of the present invention is closed.

FIG. 4 is a perspective view showing a state in which a door of the device for preventing damage to a door portion of a fireproof storage or the like of the present invention is opened.

FIG. 5 is a perspective view showing a state in which a door of the device for preventing damage to a door portion of a fireproof storage or the like of the present invention is opened.

FIG. 6 is a perspective view when the handle is pushed back in a state where the door of the device for preventing damage to a door portion of a fireproof storage box or the like of the present invention is opened.

FIG. 7 is a perspective view of another embodiment of the present invention showing a state in which a door of a device for preventing breakage of a door portion such as a fireproof storehouse is closed.

FIG. 8 is a perspective view of another embodiment of the present invention showing a state in which a door of a device for preventing damage to a door portion of a fireproof storage or the like is opened.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Fireproof main body 2 ... Mounting bracket 3 ... Handle device 4 ... Locking device 5 ... Actuating device 6 ... Handle 7 ... Base part 8, 8 '... Side wall Part 9, 9 '... Flange part 10 ... Fixing bracket 11 ... Shaft 12 ... Handle 13 ... Fixing bracket 14, 14' ... Flange part 15 ... Shaft 16 ... Operating rod 17, 17 '・ Rotating member 18 ・ ・ Shaft 19, 19 ′ ・ ・ Pin 20 ・ ・ Spring 21 ・ ・ Upper locking rod 22 ・ ・ Lower locking rod 23 ・ ・ Shaft 24 ・ ・ Rotating semi-disc 25 ・ ・ Guide hole 26 ・Notch engaging portions 27, 28 Lock member 29 Reinforcement plate 29 'Projection plate 30 Spring 31 Shaft 32 Locking member 33 Contact rod 34 Support member 35 ..Rotating body 36..Spring 37..Spring

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Tetsuo Furuya 6-1-1, Oimazato-minami, Higashi-Nari-ku, Osaka City Inside KOKUYO Co., Ltd. King Industry Co., Ltd.

Claims (5)

[Claims] The present invention comprises a mounting fixture fixed to the back of a door, a handle device, a locking device, and an actuating device for connecting the handle device and the locking device, and the actuating device is movable by moving a handle in the handle device. A device for preventing breakage of a door portion of a fire-resistant storage or the like, characterized in that a space is formed in a lock rod acting as a locking device serving as the locking device so as to allow movement of the movable body without applying a load. 2. A device for preventing damage to a door portion of a fireproof storage box or the like according to claim 1, wherein the movable body is formed as a rotating member which is pivotally mounted on one end of an operating rod of the operating device. 3. The damage prevention of a door part of a fireproof storage or the like according to claim 1, wherein a spring is formed on the operating device so as to urge the handle in a direction protruding from a side edge of the door. apparatus. 4. The apparatus according to claim 3, wherein a spring is formed on the rotating member. 5. The device according to claim 3, wherein a spring is bridged between the mounting bracket and the operating rod of the operating device. [0001]