JP3318265B2 - Door device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door device, particularly to a lock technology, and more particularly to a technology that is effective when used for a door device of a storage such as an art museum or a museum storing valuable cultural assets. .

[0002]

2. Description of the Related Art A variety of valuable items are stored in a store such as an art museum or a museum. In order to prevent theft of the store, the door device of the store can be locked. I have. That is, in this type of conventional door device, a bar is supported by the door body so as to be slidable in the lateral direction, and the bar is operated forward and backward by a handle rotatably supported by the door body, and
It is configured to be locked by a lock installed on the door body.

[0003]

In recent storages such as art museums and museums, the use of electric locks for door devices has been studied in order to reliably prevent valuable thefts from being stolen. However, with the door device closed, during the repair inspection and carry-in / out work in the storage,
If the door device is locked by the electric lock or a power failure occurs, the worker cannot escape from the storage.

It is an object of the present invention to provide a door device which can be opened from the inside in an emergency.

[0005]

The door device according to the present invention comprises:
A door device in which a bar slidably supported by a door body is operated forward and backward by a handle rotatably supported by the door body, and is locked by a lock installed on the door body. A lock plate engageable with the lock pin of the lock is supported on the bar so as to be able to advance and retreat in the thickness direction of the door body.
With the spring to lock the lock pin
Direction are constantly urged in an operation member operated to the handle are slidably supported by the door body, the operating member so as to advance and retreat the lock plate and the lock plate to the moving direction together we are cooperative to, the obex and before
It is characterized in that the tabs are linked so as to move back and forth in the sliding direction of the bar .

According to the above-mentioned means, when the handle is operated during escape in an emergency, the lock plate is moved by the operating member in a direction to release the lock with the lock pin,
Subsequently, the bar is released by the operation plate. Since the door can be opened by the unlocking and the unlocking of the bar, the person trapped in the inner chamber of the door device can escape.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A door device according to an embodiment of the present invention will be described below with reference to the drawings.

In the present embodiment, the door device according to the present invention is configured as a door device of a storage such as an art museum or a museum, and as shown in FIG. It is installed in an opening 3 which is set up in a substantially square shape. The door device 10 includes a pair of left and right door bodies 11 and 12 formed in a rectangular plate shape having a size that closes the substantially square opening 3 by being combined with each other.
Both door bodies 11 and 12 are configured to be double doors. That is, the left door 11 is rotatably supported on the left side by the hinge 13, the right door 12 is rotatably supported on the right side by the hinge 13, and the right side and the right side of the left door 11 The opening 3 is closed by matching with the left side of the door body 12. In addition, both door bodies 11,
Inside of the frame 12 is a fire protection material 1 such as mortar or cement.
4 are filled.

Right and left outer handles 15 and 16 are rotatably supported near the mating portions on the outer surfaces of the left and right doors 11 and 12 (outer surfaces of the storage 1). An inner handle 17 serving as an emergency escape handle is disposed on the inner surface (inside surface of the refrigerator) just above the right outer handle 16 and is rotatably supported. The outer handles 15, 16 and the inner handle 17 are respectively arranged at heights facing the human torso for easy operation.

As shown in FIG. 1, the left door 11
The upper bar 18 and the lower bar 19 are slidably supported in the vertical direction, and the upper bar 18 and the lower bar 19 are linked to the outer handle 15 by the link mechanism 20 so as to be vertically moved. ing. The upper bar 18 and the lower bar 19 are fitted into bar holes formed on the ceiling surface and the floor surface of the opening 3, respectively, so that the opening 3 of the left door body 11 is formed.
The closed state with respect to is fixed.

The right door (hereinafter referred to as a door) 12 is configured to lock a bar. Hereinafter, the configuration of the door body 12 will be described in detail.

As shown in FIG. 2B, the door 1
2 is formed in a vertically long rectangle, and a cover 21 that covers the entirety of the door 4 on the inside 4 side is covered as shown in FIG. The shaft of the inner handle 17 (hereinafter referred to as the inner handle shaft) 17
a is inserted into the cover 21 from the inside of the refrigerator, and is rotatably supported by a bracket 22 installed on the door body 12, as shown in FIG. One end of a lever 23 is fixed to the inner handle shaft 17a, and a free end of the lever 23 is connected to an operation member 40 described later.

As shown in FIGS. 1 and 2, the left door 11 on the inner main surface inside the cover 21 of the door 12.
At the position near the mating surface, the bar hole 24 of the left door 11
A bar 24 is provided to maintain the closed state of the door device 10 by being fitted into the A. The bar 24 includes four pins 25 that fit into the bar holes 24A so as to be able to move forward and backward, a vertical member 26 that supports the pins 25, and four horizontal members 27 that are fixed to the vertical member 26 and move integrally. It has. The four pins 25 are fixed horizontally at intervals on the mating surface side of a vertically arranged vertical member 26 at an interval in the vertical direction, and the left door body 11 is moved with the lateral movement of the vertical member 26. Entry and exit from each bar hole 24A opened at the same time. The four horizontal members 27 are horizontally fixed at an end in the vertical direction at an end of the vertical member 26 opposite to the pins 25, and are horizontally fixed by guide pins 28 fixed to the inner main surface of the door body 12. It is slidably supported in the left-right direction.

An upper bar 29 is vertically slidably supported at the upper end of the inner main surface inside the cover 21 of the door 12, and the upper bar 29 is linked to the uppermost horizontal member 27 by a link mechanism 30. It is connected so that it can be operated up and down. A lower bar 31 is slidably supported in the vertical direction at the lower end of the inner main surface inside the cover 21 of the door body 12, and the lower bar 31 is vertically operated by the lowermost horizontal member 27. As shown in FIG.
A detent rod 33 is connected to an intermediate height position of the lower bar 31 in the horizontal direction, and the detent rod 33 is urged by a spring 34 so as to protrude to the end face on the hinge 13 side.

When the door 12 is closed and the end surface on the hinge 13 side is substantially in contact with the inner surface of the opening 3, the detent rod 33 is moved by the spring 3 by the inner surface of the opening 3.
The lower bar 31 is allowed to move by being pushed back against the lower bar 4, but is pushed out from the hinge 13 side end surface by the urging force of the spring 34 in a state where the door body 12 is opened, so that the lower bar 31 is moved downward. It prevents movement in the direction. When the lower bar 31 is prevented from moving, the bar 24 and the upper bar 29 are also prevented from moving. By this detent, each bar 24, 29, 31 is prevented from colliding with the left door 11 and the opening 3 during the closing operation of the door 12.

As shown in FIGS. 2 and 3, one end of a lever 35 is fixed to a shaft 16a of the outer handle 16, and a pin 3 is attached to a free end of the lever 35.
6 is fixed. On the other hand, one end of a link bar 37 is fixed to the vertical member 26 of the bar 24,
A guide hole 38 is formed at the free end of the reference numeral 7. The pin 36 of the lever 35 is slidably fitted in the guide hole 38 of the link bar 37. Therefore, when the outer handle 16 is rotated, the vertical member 26 is moved to the lever 3.
Since the bar 24 is moved in the left-right direction via the link bar 5 and the link bar 37, the bar 24 moves forward and backward with respect to the bar hole 24A.

As shown in FIG. 3, on the lower side of the horizontal member 27 located near the inner handle shaft 17a, an operating member 40 formed in a rectangular plate shape that is long in the left-right direction is provided. The operating member 40 is slidably supported in the left-right direction by a plurality of guide pins 39 fixed to the inner main surface of the door body 12. At the end of the operating member 40 on the inner handle shaft 17a side, a guide hole 41 is formed in a vertically long slot shape, and a pin 23a of the lever 23 fixed to the inner handle shaft 17a is formed in the guide hole 41. Are slidably fitted. Therefore, when the inner handle 17 is rotated, the operation member 40 is moved in the left-right direction via the lever 23.

Above the guide hole 41 of the operating member 40, an operating member side engaging portion (hereinafter referred to as an operating side engaging portion) 4 is provided.
2 are projected upward in the vertical direction, and the operating side engaging portion 42 is fixed to the horizontal member 27 and is located on the left (hereinafter referred to as a closed side). The opening 43 is slidably inserted between an engaging portion 44 (hereinafter, referred to as an opening side engaging portion) closer to the right (hereinafter, referred to as an opening side). The closing-side engaging portion 43 and the opening-side engaging portion 44 are spaced apart from the lateral width of the operating-side engaging portion 42 by an interval necessary for a stroke of a cam follower 54 described later.

As shown in FIG. 3, a pair of support pieces 45 are suspended vertically downward from the one end of the engaging portion of the horizontal member 27 to the open end. Four guide poles 46 are respectively set at right angles at the lower ends of the support pieces 45 and the horizontal member 27 at two places. The four guide poles 46 are slidably fitted with four guide holes 48 of a lock plate 47 formed in a substantially square plate shape, and the lock plate 47 straddles the operation member 40. , And is supported by each guide pole 46 so as to be able to approach and separate from the operation member 40. After a spring 49 is attached to the tip of each guide pole 46, a nut 50 is screwed into the lock plate 47.
Is always biased in the direction of the operation member 40 by the spring 49.

A lock hole 51 is formed at the lower end of the lock plate 47 on the closed side so as to engage with the lock pin 61 of the electric lock 60. The lock pin 61 is formed on the operation member 40 side of the lock hole 51. It is formed in an open state so that it can escape. A magnet 52 as a detected element of the electric lock 60 is fixed to a position of the lock plate 47 closer to the opening side from the lock hole 51.

The electric lock 60 is horizontally disposed at an opposing position with the lock plate 47 positioned on the closed side, and is mounted on the inner main surface of the door body 12 by a pair of brackets 62, 62. The lock pin 61 of the electric lock 60 moves up and down to fit into the lock hole 51 of the lock plate 47 from below, thereby preventing the lock plate 47 from moving and locking the bar 24. I have. The electric lock 60 has a built-in magnet type reed switch (not shown) for detecting the magnet 52, and detects the locked state and the unlocked state by detecting the magnet 52.

A pair of cams 53, 53 are fixed to the lock plate 47 on the surface of the lock plate 47 facing the operation member 40. The cam 53 is formed in a semi-trapezoidal rectangular parallelepiped shape, and the slope side of the semi-trapezoid is disposed on the closed side. On the other hand,
A pair of cam followers 54, 54 are arranged on the left and right sides on the surface of the operation member 40 facing the lock plate 47, and are rotatably supported on a vertical axis.
Can contact the two cams 53, 53 so that they can roll freely. When the cam follower 54 rolls the cam 53 from the slope side, the operation member 40 is moved to the lock plate 47.
Is pushed up against the urging force of the spring 49 (separated from the horizontal member 27).

Next, the operation of the door device 10 according to the above configuration and the operation of unlocking the bar 24 at the time of emergency escape will be mainly described.

In a state where the door device 10 is closed and the electric lock 60 is locked, as shown in FIGS. 1, 4 and 5, the bar 24 is fitted into the bar hole 24A, and the electric lock is locked. The lock pin 61 of 60 is in a state of being fitted into the lock hole 51 of the lock plate 47. In this state, the cam follower 54 of the operating member 40 is lowered from above the cam 53 of the lock plate 47, and the operating member 40 is moved by the operating side engaging portion 42 to the closing side engaging portion 43 of the horizontal member 27. Is pressed in the closing direction.

In this state, if a person is trapped in the compartment 4 of the storage compartment 1 due to, for example, a power failure or a failure of the electric system of the electric lock 60, the inside handle 17 is closed by the person trapped in FIG. It is turned counterclockwise. When the inner handle 17 is rotated, the lever 23 fixed to the inner handle shaft 17a is rotated, so that the operation member 40 is moved in the opening side by the pin 23a and the guide hole 41.

As shown in FIGS. 6 and 7, the operation member 40 is in the initial stage of movement until the operation-side engaging member 42 engages with the opening-side engaging member 44 of the horizontal member 27. In other words, the operation member 40 moves to the opening side independently of the horizontal member 27. Since the cam follower 54 rolls on the cam 53 by the independent movement of the operation member 40, the lock plate 4
The cam 7 is lifted in the direction away from the operation member 40 by the action of the cam 53 against the urging force of the spring 49.

When the lock plate 47 is lifted in a direction away from the operation member 40, the lock hole 51 of the lock plate 47 is locked.
Moves in the direction in which it escapes from the lock pin 61 of the electric lock 60, and the locked state of the lock plate 47 and the electric lock 60 is automatically released while the lock pin 61 of the electric lock 60 is in the protruding state. .

As shown in FIGS. 8 and 9, when the inner handle 17 is rotated even after the operating side engaging portion 42 is engaged with the opening side engaging portion 44 of the horizontal member 27. The operation member 40 moving to the opening side moves the horizontal member 27 in the opening side direction via the operation side engaging portion piece 42 and the opening side engaging portion piece 44. At this time, since the engagement state between the lock pin 61 of the electric lock 60 and the lock hole 51 of the lock plate 47 has been released, even if the lock pin 61 of the electric lock 60 is in the protruding state, the operation member 40 is not moved. The horizontal member 27 can be moved in the opening direction.

When the horizontal member 27 that is a part of the bar 24 is moved in the opening direction, the vertical member 26 that is a part of the bar 24 and integrated with the horizontal member 27 is moved in the opening direction. A pin 25 which is a part of the bar 24 and is integrated with the vertical member 26
Are pulled out from the respective bar holes 24A of the left door body 11. As a result, the locked state by the bar 24 of the door device 10 is released.

When the bar 24 moves in the opening direction,
The upper bar 29 and the lower bar 31 linked to the bar 24 by the upper and lower link mechanisms 30 and 32 are also in a state where the locked state with the opening 3 is released.

When the bars 24, 29, 31 are unlocked as described above, the door 12 can be opened with respect to the opening 3, so that a person trapped in the storage 1 cannot Can be opened to escape from the compartment 4.

In order to return the relationship between the lock plate 47 and the electric lock 60 to the original state, the inner handle 17 may be turned in the opposite direction to that described above. When the inner handle 17 is rotated clockwise from the state shown in FIGS. 8 and 9, until the operation-side engaging piece 42 engages with the closing-side engaging piece 43, Since the operating member 40 moves independently of the lateral member 27 in the closing direction, the cam follower 54 of the operating member 40 rolls down the cam 53 of the lock plate 47 and descends. Then, the lock plate 47 is moved in a direction approaching the operation member 40 by the urging force of the spring 49.

When the inner handle 17 is rotated in the closing direction even after the operating side engaging portion 42 engages with the closing side engaging portion 43 of the horizontal member 27, the operating member 40 which moves to the closing side is moved. The lateral member 27 is moved to the operating side engaging portion 42 and the closing side engaging portion 4.
3 to the closing side. At this time, the electric lock 6
Since the locked state of the lock plate 47 due to 0 is released, the operating member 40 can move the horizontal member 27 in the opening direction even when the lock pin 61 of the electric lock 60 is in the protruding state.

When the horizontal member 27 is returned to the original position shown in FIGS. 1, 4 and 5, the lock hole 51 of the lock plate 47 is pressed by the spring 49 so that the electric lock 60 is released.
The lock plate 47 and the electric lock 60 return to the original locked state.

It should be noted that the present invention is not limited to the above-described embodiment, but may be modified without departing from the scope of the invention.
It goes without saying that various changes can be made.

For example, the lock for locking the lock plate is not limited to an electric lock, but may be a normal lock such as a dial lock or a key, or a combination of these locks.

The bar is not limited to the vertical member, the horizontal member, and the pin, but may be configured such that the horizontal member or the vertical member is fitted into the bar hole so as to be able to advance and retreat.

The support structure for the bar, the operating member and the lock plate is not limited to the structure of the above-described embodiment, but may be another structure.

The link mechanism between the bar and the operating member, the link mechanism between the operating member and the inner handle, and the link mechanism between the operating member and the lock plate are not limited to those of the above-described embodiment, but may be other mechanisms. May be used.

In the above description, the case where the present invention is applied to a door device of a storage is described. However, the present invention is not limited to this, and is applicable to all door devices such as a vault for storing valuables and a safe. Can be. In particular, an excellent effect can be obtained when applied to a case where a person may be trapped in the inner chamber of the door device and it is difficult to unlock from the inner chamber.

[0041]

As described above, according to the present invention,
Even in the case of an emergency where a person is trapped in the inner chamber of the door device, which is difficult to unlock from the inner chamber, the emergency escape can be performed by operating from the inside.

[Brief description of the drawings]

FIG. 1 shows a storage in which a door device according to an embodiment of the present invention is used, (a) is a front view, and (b) is a plan sectional view.

FIGS. 2A and 2B show a right door body of the door device, wherein FIG. 2A is a side sectional view and FIG. 2B is a rear view with a cover removed.

FIG. 3 is a partially exploded perspective view showing a main part of the door device.

FIG. 4 is a partially omitted rear view showing the operation of the present invention at the time of locking.

FIG. 5 is a partially omitted plan sectional view.

FIG. 6 is a partially omitted rear view showing the same unlocking process.

FIG. 7 is a partially omitted plan sectional view.

FIG. 8 is a partially omitted rear view showing the unlocked state.

FIG. 9 is a partially omitted plan sectional view.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Storage room, 2 ... Standing wall, 3 ... Opening, 4 ... Inside of a store, 10 ... Door device, 11 ... Left door, 12 ... Right door,
13: hinge, 14: fire protection material, 15, 16: left and right outer handles, 17: inner handle (emergency escape handle), 17a: inner handle shaft, 18: upper bar
19: Lower bar, 20: Link mechanism, 21: Cover, 22
... Bracket, 23 ... Lever, 23a ... Pin, 24 ...
Bars, 24A ... Bar holes, 25 ... Pins, 26 ... Vertical members, 27 ...
Horizontal member, 28 guide pin, 29 upper bar, 30 link mechanism, 31 lower bar, 32 link mechanism, 33 detent rod, 34 spring, 35 lever, 36
Pin, 37 ... Link bar, 38 ... Guide hole, 39 ... Guide pin, 40 ... Operation member, 41 ... Guide hole, 42 ... Operation side engagement part, 43 ... Closed side engagement part, 44 ... Open side engagement Joint piece, 45: Supporting piece, 46: Guide pole, 47: Lock plate, 48: Guide hole, 49: Spring, 50: Nut, 51: Lock hole, 52: Magnet, 53: Cam, 54: Cam follow , 60 ... electric lock, 61 ... lock pin, 62 ... bracket.

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) E05B 63/14 E05B 65/10 E05B 15/02

Claims (4)

(57) [Claims] 1. A bar which is slidably supported by a door body is moved forward and backward by a handle rotatably supported by the door body, and is locked by a lock installed on the door body. In the door device, a lock plate engageable with a lock pin of the lock is in front of the bar.
It is supported so that it can move forward and backward in the thickness direction of the door body
The lock pin is always locked in the locking direction by a spring.
Are time biased operation member operated to the handle are slidably supported by the door body, the operating member cooperate so as to advance and retreat the lock plate and the lock plate to the moving direction And the bar and the bar
A door device which is linked so as to advance and retreat in the sliding direction of the bar . 2. The lock device according to claim 1, wherein the operation member is provided with a cam and a lock.
The door device according to claim 1, wherein the door device is linked by a cam follower . 3. The handle is disposed on the indoor side of the door body.
Door apparatus according to claim 1 or 2, characterized in that it is. 4. The door device according to claim 1, wherein said lock is constituted by an electric lock .