JPH08189242A - Sliding door latch device of sliding door cabinet - Google Patents

Abstract

PURPOSE: To surely bind a sliding door in a cabinet in its closed state and to release the binding of the sliding door by natural operation at the time of opening the sliding door. CONSTITUTION: When a sliding door 2 is closed, an engagement plate 10 is held in a locking position, and the sliding door 2 is surely bounded and held in its closed state by the engagement of a locking click 7a and an engagement hole 11 at that time. When a hand piece 16 of an operating plate 14 is moved in the direction of opening the sliding door 2, the operating plate 14 is moved in the above direction to the sliding door 2. The engagement plate 10 is turned to a release position, interlocking with the movement of the operating plate 14 at that time, so that the engagement hole 11 is separated from the locking click 7a to release the binding of the sliding door 2. After that, the sliding door 2 is smoothly opened by moving the hand piece 16 as it is in the same direction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sliding door latch device which can reliably close a cabinet without being rebounded even if the sliding door in front of the cabinet is roughly closed.

[0002]

2. Description of the Related Art In a conventional sliding door cabinet,
When an open sliding door is roughly closed, the sliding door bounces back and opens due to the reaction when it hits the cabinet body, and in extreme cases, the sliding door on the opposite side may also open.

[0003]

SUMMARY OF THE INVENTION In view of the above-mentioned problems of the prior art, the present invention is capable of reliably holding the sliding door in a closed state, and provides a natural operation when opening the sliding door. So, I made it possible to release the restraint of the sliding door,
It is an object of the present invention to provide a sliding door latch device for a sliding door cabinet that has good operability, a simple structure, and an excellent appearance.

[0004]

According to the present invention, the above problems can be solved as follows. (1) In an article storage cabinet provided with a sliding door that can move in the left-right direction on the front surface, a recess is provided in the front inner surface of the side plate of the cabinet body facing the side end of the sliding door when the sliding door is closed. An engaging plate is provided at the side end of the sliding door facing the recess so that the tip of the engaging plate is rotatable between the locking position and the releasing position in the recess and is constantly biased toward the locking position. The engaging claw on one of the inside of the recess and the tip of the engaging plate, and on the other when the engaging plate is in the engaging position, the engaging claw is engageable with the engaging claw. The plywood is provided with an engagement hole that is disengaged from the locking claw when the plywood is rotated to the release position, and further has a handle piece mounted on the front surface of the sliding door so as to be slidable in the left-right direction. By moving the operation plate and the engagement plate in the direction of opening the sliding door, Engaging plate is moved to the release position side so cooperating with each other.

(2) In the above item (1), a fixed hook piece is provided on the front surface of the sliding door facing the hook piece of the operation plate and closer to the direction in which the sliding door is opened.

[0006]

When the sliding door is closed, the engagement plate is held at the locking position, and the engagement between the locking claw and the engagement hole at that time causes
The sliding door is securely held in the closed state and does not open unintentionally.

When the handle piece of the operation plate is moved in the direction to open the sliding door, the operation plate is moved in the above direction with respect to the sliding door,
In conjunction with the movement of the operation plate at that time, the engagement plate is rotated to the release position, the engagement hole is disengaged from the locking claw, and the restraint of the sliding door is released. After that, the sliding door is opened smoothly by moving the claw piece in the same direction as it is.

[0008]

FIG. 5 shows a cabinet for storing articles to which the present invention is applied. Five sliding doors (2), (3) and (4) are provided on the front side of the cabinet body (1) which is open. The devices of the present invention are provided symmetrically in the sliding doors (2) provided at both ends.

The sliding doors (2), (3) and (4) are linked by a panda-graph type link mechanism (not shown) so as to extend and contract in synchronization with each other. Since it is not directly related, the description is omitted.

FIGS. 1 to 4 show the device of the present invention on the left side. The front side of the inner surface of a prismatic column (5) formed on the front side of the left side plate of the cabinet body (1). Is formed with a recess (6), and the rear part of the recess (6) is provided with a locking plate (7) having a locking claw (7a) protruding forward in a mountain shape in plan view. ing.

The left edge of the locking claw (7a) faces the front-rear direction, and an inclined surface (7b) is formed from its front end toward the rear inward direction.

A pair of upper and lower bearings (9) are fixed to the mounting plate (8) provided on the rear left side of the sliding door (2) at a portion facing the locking plate (7). 9) An engaging hole (11) which engages with the engaging claw (7a) of the engaging plate (7) is formed at the left end of the engaging plate (10) which is pivotally installed between 9). Similarly, a lever (12) facing forward is continuously provided at the right end. The coil spring (13) urges the engagement plate (10) toward a locking position where the engagement hole (11) can engage with the locking claw (7a), as shown in FIGS. 1 and 3. Has been done.

In front of the engaging plate (10) on the left side of the sliding door (2), an operation plate (14) which is close to and parallel to the sliding door (2) is provided so as to be movable left and right.

At the left end of the operating plate (14), a connecting part (15) facing rearward and abutting against the front part of the left surface of the lever (12) is continuously provided, and at the right end thereof, a forward facing handpiece ( 16) is provided,
The hook piece (16) slightly projects forward from the bottomed hook frame (17) fitted on the left side of the sliding door (2).

To the right of the hook piece (16) in the hook frame (17),
That is, in the opening direction of the sliding door (2), a fixed hook piece (18) of the same shape and the same size that is parallel to the hook piece (16) is fixed.

In the above-mentioned device of the present invention, the front surface of the cabinet body (1) is installed on the sliding door (2) as shown in FIG. 1 when the sliding doors (2), (3) and (4) are closed. Engagement plate (10)
The engaging hole (11) is held at the locked position by the bias of the coil spring (13) and is engaged with the locking claw (7a) of the cabinet body (1), so that the sliding door is vibrated. (2) does not open, and even if the sliding door (2) is roughly closed, it will not bounce.

When the handle piece (16) of the sliding door (2) which is closed is pulled to the right by hand, the operation plate (14) first moves to the right as shown in FIG. Lever (12) against which (15) abuts
To the right to rotate the engagement plate (10) counterclockwise from the state of FIG. 1 to the release position as shown in FIG. 2 against the biasing force of the coil spring (13). Since the engaging hole (11) of (10) is disengaged from the locking claw (7a) of the locking plate (7), as shown in FIG. 3, together with the sliding door (2), other sliding doors (3) (4) Can be opened.

Each of the sliding doors (2), (3) and (4), which are opened at the left and center parts of the front surface of the cabinet body (1), is a handle piece (16) or a fixed hand of the sliding door (2) on the left side. When the hanging piece (18) or the handhold frame (17) is pulled to the left by hand, the sliding doors (2), (3) and (4) move to the left, and the sliding door (2) on the left side moves to the pillar (5). ) And its engaging plate (1
The left end of (0) is an inclined surface (7
B), the engaging plate (10) rotates counterclockwise against the urging force of the coil spring (13), and its left end crosses over the front end of the locking pawl (7a), The dowel hole (11) engages with the locking claw (7a).

In this way, the engaging hole (11) is engaged with the locking plate (7).
By engaging with, the sliding door (2) is not repelled. Although not shown and described, a device of the present invention similar to that described above is also provided symmetrically between the rightmost sliding door (2) and the cabinet body (1). Further, a locking claw may be provided at the tip of the engaging plate (10) and an engaging hole may be provided on the locking plate (7) side.

[0020]

As described above, in the cabinet to which the present invention is applied, when the sliding door is closed, the engaging plate of the sliding door engages with the engaging claws of the cabinet body, so that the sliding door is bounced back even if it is roughly closed. There is no such thing. Therefore, even if shaking or vibration is applied to the cabinet with the sliding door closed on the front side, the sliding door does not open unintentionally.

The sliding door that closes the front of the cabinet is
It can be easily opened by operating the hook piece.

Further, since a recess is provided in the front inner surface of the side plate of the cabinet body, and the locking claw or the engaging hole is provided inside the recess, the locking claw or the like projects inside the side plate. Therefore, there is no possibility that the contents such as files will be prevented from being taken in or out, or the contents will be damaged.

Further, as in the embodiment, if the engaging plate is not projected outward from the outer end of the sliding door, the opening formed between the side plate of the cabinet body and the side end of the sliding door will be obstructed. It is possible to completely eliminate such protrusions.

If a fixed hook piece is provided on the hook frame as in claim 2, it is convenient for closing the sliding door. Further, when the sliding door is opened, the operation plate can be easily moved by pinching both the handhold pieces, which is more convenient.

[Brief description of drawings]

FIG. 1 is a cross-sectional plan view of the device of the present invention when a sliding door is closed.

FIG. 2 is a cross-sectional plan view of the device of the present invention when the sliding door starts to open.

FIG. 3 is a cross-sectional plan view of the device of the present invention when the sliding door is opened.

FIG. 4 is a partially omitted front view of the device of the present invention.

FIG. 5 is a front view of a cabinet to which the present invention is applied.

[Explanation of symbols]

 (1) Cabinet body (2) (3) (4) Sliding door (5) Post (5a) Stopper (6) Recess (7) Locking plate (7a) Locking claw (7b) Slope (8) Mounting plate (9) Bearing (10) Engagement plate (11) Engagement hole (12) Lever (13) Coil spring (14) Operating plate (15) Coupling part (16) Hook piece (17) Hook frame (18) Fixed Clue piece

Claims (2)

[Claims] 1. An article storage cabinet provided with a sliding door that can move in the left-right direction on the front surface, wherein a recess is provided in a front inner surface of a side plate of a cabinet body facing a side end of the sliding door when the sliding door is closed. An engaging plate is provided at a side end of the sliding door facing the recess so that the tip of the engaging plate is rotatable between a locking position and a releasing position in the recess, and is constantly biased toward the locking position. The engaging claw is engaged with either the inside of the recess or the tip of the engaging plate and the engaging plate with the engaging plate on the other side. , A hook piece provided with an engagement hole that is disengaged from the locking claw when the engagement plate is rotated to the release position, and further mounted on the front surface of the sliding door so as to be slidable in the left-right direction. An operating plate having a handle and an engaging plate for moving the handle piece in the direction of opening the sliding door. The sliding door latch device of the sliding door cabinet, wherein the engaging plates are linked to each other so as to be moved to the release position side. 2. The sliding door latch device for a sliding door type cabinet according to claim 1, wherein a fixed catching piece is provided on the front surface of the sliding door facing the catching piece of the operation plate and closer to the direction in which the sliding door is opened.