JP2000080848A - Single-lock device for plural sliding doors - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mechanism capable of locking and unlocking three sliding doors by use of one lock because, for a cabinet or the like having, e.g., three sliding doors, a locking/unlocking mechanism not employed in the case of double sliding doors, is inevitable for each sliding door to be locked and unlocked by one lock. SOLUTION: A first sliding door 1 located at the side end of a cabinet having three sliding doors is provided with a cylinder lock 4, and an actuating element 5 rotated or directly moved by the lock 4 is provided on the back of the first sliding door 1 as a first latch member. Also, a first cooperating element 6 linked to the actuating element 5 at one end 6a and cooperating with the actuating element 5 at the other is provided on the back of the first sliding door 1 along the cross direction of the sliding door 1, and a second latch member 10 coupling the first sliding door 1 actuated to the other end 6b of the first cooperating element 6 and a second sliding door 2 to each other is provided at the other end 6b of the first cooperating element 6. Also, a second cooperating element 12 linked at one end 12a to the second latch member 10 and actuated is provided on the back of the second sliding door 2 and a third latch member 16 coupling the second sliding door 2 to a third sliding door 3 is provided at the other end 12b of the second cooperating element 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a one-lock device in which three or four or more sliding doors can be simultaneously locked and unlocked by a single locking device.

[0002]

2. Description of the Related Art In cabinets and storages provided with sliding doors, usually, two sliding doors are provided, and a locking device for these sliding doors is also fixed to the two sliding doors by connecting the sliding doors to each other. In most cases, a lock is provided so that both sliding doors cannot be opened.

[0003] In recent years, however, in order to facilitate entry and exit of goods into and from the cabinet, three sliding doors have been used to form a large opening frontage when a sliding door of a cabinet or the like is opened. Cabinets and storages were proposed. Cabinets with three sliding doors,
If the cabinet has the same front width as a cabinet with two sliding doors, the two sliding doors can be stacked on the back or front of one sliding door to open the front door when the sliding door is opened. There is an advantage that it can be formed larger, but there is a problem.

[0004]

That is, for example, in a cabinet having three sliding doors, since there are three sliding doors,
To be able to apply and unlock each sliding door with one lock,
In the case of two sliding doors, an application and unlocking mechanism that is not available is indispensable.
An object of the present invention is to provide a mechanism capable of applying and unlocking such three sliding doors with one lock.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the structure of the one-lock device according to the present invention is such that a three-door sliding door is provided at a side end of a cabinet-like furniture provided in a sliding manner. A cylinder lock is provided on one sliding door, and an actuating body which is turned or linearly moved on the lock is provided as a first latch member on the back surface of the first sliding door, and one end of the operating body is connected to the operating body so that the operation of the operating body can be performed. While the first interlocking body with which the other end side is interlocked is provided along the width direction of the first sliding door on the back surface of the first sliding door, the first sliding door operated on the other end side of the first interlocking body at the other end side And a second latch member for coupling the second sliding door, and a second interlocking body, one end of which is connected to the second latching member and operated on the back surface of the second sliding door, and the other end of the second interlocking body. Provided with a third latch member for connecting the second sliding door and the third sliding door. And it is characterized in and. The one-lock device for three or more sliding doors is configured such that the latch members and the interlocking members corresponding to the number of sliding doors are arranged on the back surface of each sliding door, and the latch members and the interlocking members are linked to operate.

[0006] The present invention can solve the above-mentioned problem by a one-lock device having the following structure in addition to the one-lock device having the above-described structure. That is, another configuration of the one-lock device of the present invention is to provide a cylinder lock on an edge of a first sliding door overlapping an edge of an intermediate sliding door of cabinet-like furniture provided with three sliding doors in a sliding manner, and operate the lock. To the actuated body,
A first latch member for locking the first sliding door and the intermediate sliding door is provided, and an interlocking body that slides or swings with one end connected to the first latch member in the width direction of the back surface of the intermediate sliding door. And a second latch member is provided on the other end side of the interlocking member to lock an overlapping edge portion of the intermediate sliding door and the third sliding door. .

[0007]

Next, an embodiment of the present invention will be described with reference to the drawings. 1 is a plan view of an example of the one-lock device of the present invention applied to a three-sliding door, FIG. 2 is a rear view of the one-lock device of FIG. 1 when the right half is unlocked, and FIG. FIG. 4 is a rear view of the one-lock device of FIG. 1 when the lock is unlocked, FIG.
6, FIG. 6 is a plan view of another example of the one-lock device of the present invention, FIG. 7 is a rear view of the one-lock device of FIG. 6 when unlocked, and FIG. 7 is a back view of the one-lock device when locked, FIG. 9 is a back view of another example of the one-lock device of the present invention when unlocked, and FIG. 10 is a back view of the one-lock device of FIG. 9 when locked. FIG. 11 is a view taken along the line XX of FIG.

In FIG. 1, reference numerals 1, 2, and 3 denote three sliding doors which are installed in a front opening on a front side of a furniture housing such as a cabinet so as to be openable and closable. ,
3 is a side end 1b which is an edge of each of the sliding doors 1 to 3 when the door is closed.
2a, 2b and 3a are formed so as to overlap.
When the doors are opened, each of the sliding doors 1 to 3 is formed such that one sliding door and the other sliding door entirely overlap.

In FIG. 2 and FIG. 3, a cylinder lock 4 is provided at one end 1a of the first sliding door 1 among the sliding doors 1 to 3, and on the back side of this lock 4 (the back side of the sliding door 1). , The lock 4
The first latch 5 is attached to the rotation operating body in. The first latch 5 performs forward and reverse angular rotation between a horizontal position and a vertical position here by applying and unlocking operations of the cylinder lock 4, and is linked to the first interlocking rod 6 described later in the rotation. Tell the action.

On the back surface of the first sliding door 1, a first interlocking rod 6 having a length almost equal to the width thereof is stopped by a shaft 7 at a substantially middle position in a longitudinal direction in a substantially horizontal posture.
(Right side in FIG. 2) is provided so as to swing vertically about the shaft 7 in conjunction with the angular rotation of the latch 5. The other end 6b (left side in FIG. 2) of the interlocking rod 6 is located near the other end 1b of the first sliding door 1 and is bent into a substantially concave flat cross section. Reference numeral 8 denotes a spring which constantly biases the interlocking rod 6 so as to be lowered rightward, and is attached to the right of the shaft 7 in this case.
Reference numeral 9 denotes a band-shaped mounting seat plate provided to dispose the interlocking rod 6, its shaft 7, and the spring 8 on the back surface of the sliding door 1, and has a side end 9a.
The side (the other end 1b side of the sliding door 1) is bent toward the near side so as to form a substantially L-shape.

At the side end 9a of the band-shaped seat plate 9, a second latch 10 having a substantially sickle shape when viewed from the side is rotatably mounted by a shaft 10a. A horizontally elongated hole (not shown) at the other end 6b of the interlocking rod 6 is loosely fitted to the protruding pin 11. As a result, the first latch 5 is rotated 90 degrees clockwise as shown in FIG. 3, and the interlocking rod 6 is pivoted about its shaft 7 so that the left half is lowered (counterclockwise). Therefore, the second latch 11 operates to protrude from the through hole 1 c formed in the seat plate 9 and the sliding door 1 to the front side of the sliding door 1. When the first latch 5 returns to the original position, the interlocking rod 6 returns to the state shown in FIG. 2 by the action of the spring 8, so that the second latch 11 is also formed to return to the original position.

On the other hand, on the back surface of the second sliding door 2, a second interlocking rod is provided.
12 is provided in substantially the same form as the first interlocking rod 6. That is, 13 is a shaft of the interlocking rod 12, 14 is a spring provided on the left side of the shaft 13, and 15 is a band-shaped mounting seat plate.
In this case, the second interlocking rod 12 is always held to the left half side around the shaft 13 by the urging action of the spring 14, and in this state, one end of the second interlocking rod 12 (FIG. The right end 12a) of the second latch 10 is disposed below the connecting action portion of the second latch 10.

The second interlocking rod 12 has a structure described below at the other end 12b (left side in FIGS. 4 and 5). On the other end 12b of the second interlocking rod 12, a connecting rod 16 as a third latch member vertically disposed along the edge thereof on the other end 2b of the second sliding door 2, and connects the connecting shaft 17 to the connecting rod 16. It is connected by being connected to the horizontally long groove 12c of the interlocking rod 12. The connecting rod 16 is attached to a guide frame 18 provided on a vertical edge on the back surface of the sliding door 2.
The connecting rod 16 is held so as to be able to move up and down, and the upper end side of the connecting rod 16 is bent in a substantially L-shape so as to protrude from the opening 2 c formed in the edge of the sliding door 2 to the front side of the sliding door 2. And is formed on the locking piece 16a. Thus, the vertical swing of the second interlocking rod 12 on the left half side with respect to the shaft 13 is converted into the vertical stroke movement of the connecting rod 16 in the guide frame 18, and the locking piece 16a moves up and down.

A connecting rod protruding from the front side of the second sliding door 2
Third sliding door 3 corresponding to locking piece 16a formed at the tip of 16
A receiving member 19 is provided on the back surface of the one end side 3a for fitting the rising locking piece 16a.

With the above configuration, the one-lock device of the present invention for a three-sliding door exemplified in FIGS. 1 to 5 can be used when the cylinder lock 4 shown in FIGS. 2 and 4 is unlocked.
When the lock operation is performed, the three sliding doors 1 to 3 are simultaneously in the locked state as illustrated in FIGS. 3 and 5, and this point will be described below.

First, in FIG. 2, when the locking operation of the cylinder lock 4 is performed, the first latch 5 changes from the horizontal state of FIG.
Stand upright. When the latch 5 is raised, the right half of the first interlocking rod 6 is lifted by the latch 5 from the right-down state in FIG. 2, and the left end 6 b of the interlocking rod 6 rotates counterclockwise about the shaft 7. (Rock). Left end of first interlocking rod 6
This angular rotation of 6b is transmitted to the second latch 10 by the pin 11 and the latch 10 is angularly rotated about its axis 10a. Protrude to the front side of.

When the second latch 10 performs the above-described rotation operation, the operation is performed by the second interlocking rod provided on the back surface of the second sliding door 2.
Press down the right end 12a of 12. The second interlocking rod 12, which receives a pressing force at the right end 12a, rotates (swings) clockwise about the axis 13 on the right half of the second interlocking rod 12 and rotates the left half of the rod 12 clockwise about the axis 13 about the axis 13. Rotate the angle. This movement of the left half of the second interlocking rod 12 is transmitted to the ascending movement of the connecting rod 16 serving as the third latch member, and the locking piece 16a formed at the upper end of the connecting rod 16 is attached to the back surface of the third sliding door 3. It will fit into the receiving member 19 arranged at the right end.

With the above operation, the engagement of the second latch 10 of the first sliding door 1 and the engaging portions 16a of the connecting rod 16 as the third latch in the second sliding door 2 are provided at both the left and right ends of the second sliding door 2. And the fitting of the third sliding door 3 to the receiving member 19 is completed, so that each of the sliding doors 1 to 3 is restrained by the second sliding door 2 by this engagement and fitting action. 1,3rd sliding door 1,3
Is locked in the outer frame of the cabinet-like housing, so that the door cannot be opened, that is, a locked state by one lock is formed.

To release the lock state of the sliding doors 1 to 3 simultaneously, the cylinder lock 4 is unlocked, that is, by returning the first latch 5 from the state of FIG. 3 to the state of FIG.
10, the locking portion 16a of the connecting rod 16 returns to the original position because the two connecting rods 6, 12 are respectively affected by the springs 8, 14,
It returns to the state of FIGS.

The above-mentioned one-lock device can also be realized by the configuration shown in FIGS. 6 to 8, and will be described below. 6 to 8, the same reference numerals as those in FIGS. 1 to 5 indicate the same members and the same parts.

In the examples shown in FIGS. 6 to 8, the front-rear arrangement of the three sliding doors 1 to 3 in the opening of the cabinet housing is opposite to that in the above example. For this reason, a cylinder lock 4 is provided on the overlapping edge of one end 3a of the third sliding door 3 and the other end 2b of the second sliding door 2 from the front side of the third sliding door 3, and the operating body of the lock 4 is of a retractable type. A hook 51 is provided as a latch member.
The hook 51 that advances toward the back side during locking enters the back side from the surface of the second sliding door 2 through the opening 2c provided therein, and the tip end 51a of the hook 51 is attached to the back side of the second sliding door 2. It engages with the left side 12b of the interlocking rod 12 arranged, and acts to push the left half of the interlocking rod 12 downward about the shaft 13.

The interlocking rod 12 is attached to a belt-like mounting member 15 by a shaft 13.
Is attached via a spring 14, but is substantially the same as the previous example, but the position of the spring 14 is different from the above example.
The reason is based on the following configuration. Reference numeral 15a is a stopper that regulates the return position of the interlocking rod 12 due to the action of the spring 14.

One end 12a of the interlocking rod 12 (right side in FIGS. 7 and 8)
Has a horizontally long groove 12c, a shaft 17 is inserted into the groove 12c and connected thereto, and a connecting rod 16 supported by a guide 18 is provided as a latch member. The locking portion 16a bent at the tip of the connecting rod 16 is fitted into a receiving member 19 provided on the front side of the left end 1b of the first sliding door 1, thereby forming a mutually locked state of the sliding doors 1 and 2.

In the one-lock device shown in FIGS. 6 and 7, when the cylinder lock 4 is unlocked, the hook 51 is immersed in the rear end face of the lock 4 and has no function.
7 is also in a state shown in FIG. 7, and the locking pieces 16a of the connecting rod 16 are also separated from the receiving portions 19, so that each of the sliding doors 1 to 3 can freely open and close.

In this state, when the cylinder lock 4 is locked, the hook 51 advances to the back side, and the other end of the interlocking rod 12 is moved.
Engage with the part from above 12b and push down this part. When the left half of the interlocking rod 12 is pushed down, the rod 12 rotates counterclockwise around the shaft 13 (swings), so that the right end of the rod 12 is displaced upward. When the right end 12a of the interlocking rod 12 is displaced upward, the connecting rod 16 connected to the groove 12c of this portion via the shaft 17 is guided by the guide 18 to move upward, and the upward movement causes the locking piece 16a at the upper end. Fits into the receiving member 19.

As the locking piece 16a is fitted into the receiving member 19 and the hook 51 enters the opening 2c, the sliding doors 1 and 3 located on the left and right of the second sliding door 2 are moved to the sliding door. 2, and the locked state of all the sliding doors is completed.

In the above embodiment, the interlocking rods 6 and 12 provided on the back surface of the sliding door swing (angular rotation) about the shafts 7 and 13, and the swinging operation is performed by latching the next sliding door. , But the present invention is not limited to the
Instead of the swing type, the type 12 can be a left and right slide type as illustrated in FIGS. 9 and 10.

FIGS. 9 and 10 are different from the examples described above with reference to FIGS. 6 to 8 in that the interlocking rod 12 is replaced by the support by the shaft 13 so as to be slidable left and right by two slide guides 13a and 13b. While being held, it is biased to the right slide side by a spring 14, and the right end 12a of the interlocking rod 12 and the connecting rod 1
The structure of the connecting portion with 6 is replaced by connecting with the shaft 17 and the elongated groove 12c, and connecting one end 12a of the connecting rod 12 and the lower end 16b of the connecting rod 16 by connecting the connecting link 20 with the shafts 17a and 17b. It was done. In FIGS. 9 and 10, FIGS.
The same reference numerals denote the same members and the same parts. In addition, although the above description is all applied to three sliding doors, the present invention also applies the latch member and the interlocking body described above to the fourth and subsequent sliding doors for four or more sliding doors. By operating the sliding door in such a manner that the one-lock device operates in the same manner as in the above example, it can be obtained.

[0029]

The present invention is as described above. For example, three sliding doors provided in one cabinet or the like can be applied and unlocked by one lock.
A cylinder lock is provided on a first sliding door located at a side end of a cabinet-like furniture provided with sliding doors in a sliding manner, and an actuating body that can be rotated or linearly moved to the lock is used as a first latch member on the back surface of the first sliding door. And a first interlocking body having one end connected to the operating body and the other end interlocking with the operation of the operating body is provided on the back surface of the first sliding door along the width direction of the first sliding door, while the first At the other end of the interlocking body, a second latch member for connecting the first sliding door and the second sliding door operated on the other end side is provided, and one end side of the second sliding member is connected to the back surface of the second sliding door. The second interlocking body operated by the second interlocking body, the other end side of the second interlocking body is provided with a third latch member that connects the second sliding door and the third sliding door, or three sliding doors are slidingly connected. A cylinder lock on the edge of the first sliding door that overlaps the edge of the middle sliding door of the cabinet-like furniture Provided, an actuating body actuated by the lock, a first latch member for locking the first sliding door and the intermediate sliding door, and one end side is connected to the first latch member in the width direction of the back surface of the intermediate sliding door. A second latch for providing an interlocking body that slides or swings along the width direction of the sliding door, and locks the overlapping edge portion of the intermediate sliding door and the third sliding door to the other end of the interlocking body. By providing a member,
Since the one-lock device is configured, the locking and unlocking operation of one lock can be performed by a relatively simple linkage operation structure, for example, three times.
One sliding door can be simultaneously applied and unlocked by one operation.

[Brief description of the drawings]

FIG. 1 is a plan view of an example of a one-lock device of the present invention applied to a three-sliding door.

FIG. 2 is a rear view of the one-lock device of FIG. 1 when the right half is unlocked.

FIG. 3 is a back view of the one-lock device of FIG. 2 at the time of locking.

4 is a rear view of the one-lock device of FIG. 1 when the left half is unlocked.

FIG. 5 is a rear view of the one-lock device shown in FIG. 4 when locked.

FIG. 6 is a plan view of another example of the one-lock device of the present invention.

FIG. 7 is a rear view of the one-lock device of FIG. 6 when unlocked;

FIG. 8 is a rear view of the one-lock device of FIG. 7 at the time of locking.

FIG. 9 is a back view of another example of the one-lock device of the present invention when unlocked.

10 is a rear view of the one-lock device of FIG. 9 when locked.

FIG. 11 is a view taken along the line XX in FIG. 4;

[Explanation of symbols]

 1, 2, 3 Sliding door 4 Cylinder lock 5 First latch 6 First interlocking rod 7 Shaft 8 Spring 9 Mounting seat plate 10 Second latch 11 Pin 12 Second interlocking rod 13 Shaft 14 Spring 15 Mounting seat plate 16 Connection rod 17 Connection Shaft 18 Guide frame 19 Receiving member

Claims (3)

[Claims] 1. A cylinder lock is provided on a first sliding door located at a side end of a cabinet-like furniture provided with three sliding doors in a sliding manner, and an operating body which is turned or linearly moved by the lock is a first latch member. As provided on the back surface of the first sliding door, a first interlocking body having one end connected to the operating body and the other end interlocking with the operation of the operating body is provided on the back surface of the first sliding door along the width direction of the first sliding door. On the other hand, a second latch member for connecting a first sliding door and a second sliding door operated on the other end side is provided on the other end side of the first interlocking body, and the second latch is provided on the back surface of the second sliding door. A second interlocking body that is operated with one end connected to the member, and a third latch member that couples the second sliding door and the third sliding door is provided at the other end of the second interlocking body. One lock device for sliding doors. 2. A one-lock device for three or more sliding doors, wherein a number of latch members and interlocking members corresponding to the number of sliding doors are arranged on the back surface of each sliding door, and the respective latch members and interlocking members are linked to operate. The one-lock device for a plurality of sliding doors according to claim 1. 3. A cylinder lock is provided on an edge of a first sliding door overlapping with an edge of an intermediate sliding door of cabinet-like furniture provided with three sliding doors in a sliding manner, and an operating body operated by the lock has a first sliding door. And a first latch member for locking the intermediate sliding door, and an interlocking body that slides or swings with one end connected to the first latch member in the width direction of the back surface of the intermediate sliding door. And a second latch member is provided on the other end side of the interlocking body to lock an overlapping edge portion of the intermediate sliding door and the third sliding door. Locking device.