JPH09313276A - Drawer latch device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a latch device capable of releasing a latch hook by pulling forward an operation piece of a lever plate arranged on a front plate which is long sideways almost across the whole width of a drawer. SOLUTION: A latch device is arranged on a front plate which is long sideways almost across the whole width of a drawer. A front plate 1 is provided with a lever plate 2, which is freely rotatably arranged on the front plate 1 and which has an operation piece 6 on the lower side, and a notch section 8 on the upper side. A key section 10, arranged on a rotating shaft 9 of a latch 3, is engaged to the notch section 8 of the lever plate 2, and a spring 4 is inserted to energize the latch 3 ordinarily to be in a lock state. The latch 3 is released by pulling the operation piece 6 forward. Therefore, it is easy to manufacture and assemble. Since a handle is almost the same length as the front part of the drawer, the latch device is operated by pulling anywhere of the sideways-long section. Further, the latch can be unfastened by pulling motion, which coincides with a pulling motion of the drawer, to enable smooth operation of latch unfastening and drawer pulling.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drawer latch device for furniture, such as a cabinet, and more particularly, to a front side of an oblong front plate extending over substantially the entire width of the drawer, which is operated by pulling an operation piece of a lever plate toward the front side. The present invention relates to a drawer latch device capable of releasing a latch hook.

[0002]

2. Description of the Related Art Conventionally, a drawer locking device having a force point side portion located inside the handle and a hook-shaped action point side portion which is integrally formed with the force point side portion and projects toward the inside of the cabinet. There is known a drawer locking device in which a fulcrum is provided in front of the force point side portion, and the action point side portion is hooked downward (Jitsuko Sho 63-4455).
Reference).

[0003]

However, in the above-mentioned prior art, the lock is released by inserting the hand into the handle and pushing it up with the fingertip.

However, in this prior art, the fingertip must be pushed up in order to perform the unlocking operation, the drawer must be pulled out in this state, and the pulling operation must be done while pushing it up. There was a problem in that it was very cramped and difficult to operate. No latch device is provided in the drawer of the map case. Therefore, what can respond to disasters, such as an earthquake, is demanded.

In view of this point, the present invention has a novel configuration of a lever plate, which is rotatably provided on a front plate of a horizontally elongated puller extending over substantially the entire width of a drawer with a simple structure. A cylinder is formed on the upper side and an operation piece is integrally formed on the lower side, and a notch for key fitting is formed on the upper cylinder to form a lever plate, and a rotation is provided with a key that fits into the notch. It is assembled in a biased state so that the hook is always locked by the spring with the spring, and it can accommodate any part of the puller, and when you put your hand inside the puller and pull the operating piece of the lever plate toward you, the latch The hook is released from the locking member. It is an object of the present invention to provide a drawer latch device that allows the drawer to be pulled out by pulling it further toward the front on the extension line of the operation of pulling it toward the front side in the released state.

[0006]

In order to solve the above-mentioned problems, the present invention employs the following technical means. In the invention according to claim 1, in a latch device provided on a horizontally long front plate extending over substantially the entire width of the drawer, the front plate, and a lever plate rotatably provided on the front plate and provided with an operation piece below.
A technical means is adopted in which the lever plate is composed of a latch in which a spring is interposed so as to always bias the lever plate in a locked state.

According to a second aspect of the present invention, in the latch device provided on the horizontally long front plate over substantially the entire width of the drawer,
A front plate and an operation piece provided on the front plate so as to be rotatable around the front plate;
Then, a lever plate having a notch portion formed above and a key portion provided on a rotating shaft of a latch fitted in the notch portion of the lever plate are inserted, and a spring is urged to always lock the latch. The technical means is adopted in which the latch is released by interposing the operation piece and pulling the operation piece toward you.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention is a latch device provided on a horizontally long front plate extending over substantially the entire width of a drawer of furniture or the like, and a front plate integrally molded with aluminum fixed to the front of the drawer by various means, A lever plate provided with a lower operation piece provided rotatably on the front plate and a latch in which a spring is interposed so as to always urge the lever plate in a locked state are provided, and various levers are provided on the front face of the drawer. A front plate integrally formed of aluminum fixed by means, and a cylindrical rotation groove formed on the front plate,
Similarly, it is attached by pushing in and inserting a cylindrical rotating portion of a lever plate integrally molded from aluminum from one end.

In this lever plate, an operating piece is integrally formed below the cylindrical rotating portion. Then, at least both ends of the cylindrical turning portion are formed with notches for key fitting. The notch may be formed not only at both ends but also over the entire length. If the shape of the rotation shaft of the latch is a square shaft, a square hole is formed instead of the notch for key fitting.

Next, latches are attached to both ends of the cylindrical rotating portion. The latch may be provided only at one end. This latch has a rotating shaft at one end so that it can be inserted from both ends of the cylindrical rotating portion of the lever plate, and this rotating shaft has a key portion that can be fitted into the cutout portion of the cylindrical rotating portion. Square holes are formed by forming or rotating the rotation axis to be a square axis. At the other end, a spring can always urge the hook tip of the hook to be locked in the locking projection. A cap that covers the assembly of the front plate, the lever plate, and the latch is attached to both ends of the front plate from both ends.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the accompanying drawings. FIG. 1 is a schematic exploded perspective view showing main parts in a state in which a latch device according to an embodiment is disassembled,
Similarly, FIG. 2 is a schematic sectional view of a state in which the latch is locked, and FIG. 3 is a schematic sectional view of the state in which the latch is released.
Reference numeral 1 is a front plate, 2 is a lever plate, 3 is a latch, 4 is a spring, and 5 is a cap.

Next, a specific embodiment will be described in detail with reference to FIGS. As can be understood from FIG. 1, a horizontally long front plate 1 and a lever plate 2 which cover the substantially entire width of the drawer manufactured by aluminum integral molding, and further, a latch 3 is assembled at both ends of the lever plate 2, and a hook 11 of the latch 3 is attached. It is a latch device for engaging and disengaging the locked state of the hook tip 12 and the locking projection 13.

A columnar rotation groove 14 is formed in the front plate 1 of the horizontally long puller extending over substantially the entire width of the drawer. Reference numeral 15 is a heading section for providing headings and the like. Also, it goes without saying that the one without the heading may be used. The cylindrical rotating portion 7 of the lever plate 2 is inserted from the end of the cylindrical rotating groove 14 so as to be rotatable.

Then, in order to release the locked state of the hook 11 of the latch 3, when the operation piece 6 of the lever plate 2 is pulled to the front, the cylindrical rotation portion 7 rotates in the cylindrical rotation groove 14. To do.

The latch 3 fixed in a state of being fitted into the key-fitting notch portion 8 of the cylindrical turning portion 7 of the lever plate 2 is also turned simultaneously, and the spring receiving portion on the side opposite to the hook 11 is turned. The hook tip 12 is released from the locking projection 13 against the spring 4 attached to the spring 16, and the drawer can be pulled out at the same time by extending the operation of the operating piece 6 in the pulled state.

An embodiment in which a square shaft is used instead of the fixing means for the key fitting of the lever plate 2 and the latch 3 will be described with reference to FIG.

A lever plate 2 rotatably provided on the front plate 1.
Is provided with an operation piece 6 on the lower side and a square hole 17 on the upper side over the entire length or at both ends, and the rotation axis of the latch is formed on the angle rotation axis 18 so that the latch can be inserted into the square hole 17. By forming the key portion 10 and the cutout portion 8 of the first embodiment.
Can be replaced with Since the others are the same, detailed description will be omitted.

Next, the third aspect of the present invention will be described with reference to FIGS.
Examples will be described. In the second embodiment, as can be understood from the drawings, the front plate of the drawer is formed as a conventional flat plate, and a puller extending over substantially the entire width of the front plate of this flat plate is separately manufactured. Although there are inevitably some structural differences, other configurations and operations are the same as those in the first embodiment, so detailed description will be omitted.

It is possible to adopt not only the aluminum integrally molded product described above but also a synthetic resin integrally molded product in place of this.

[0020]

According to the present invention, the following effects can be obtained based on the above configuration. (1) Since the manufacturing and assembling work is simple, and the puller has a puller of almost the same length to the front part of the drawer,
The latch device works even if any of the horizontally long parts is pulled. In addition, since the latching engagement / disengagement operation can be performed by the pulling operation, the latching engagement / disengagement operation and the drawer extraction operation can be smoothly performed in agreement with the drawer drawer operation.

[Brief description of drawings]

FIG. 1 is a schematic exploded perspective view showing a disassembled state of a latch device according to a first embodiment of the present invention.

FIG. 2 is a schematic cross-sectional view showing a locked state of the latch in the first embodiment.

FIG. 3 is a schematic cross-sectional view showing a state where a latch is released in the first embodiment.

FIG. 4 is a schematic exploded perspective view showing an exploded state of a latch device according to a second embodiment of the present invention.

FIG. 5 is a vertical cross-sectional view of a main part of a latch device according to a third embodiment of the present invention.

FIG. 6 is an overall schematic perspective view of the third embodiment.

[Explanation of symbols]

1 Front plate 2 Lever plate 3 Latch 4 Spring 5 Cap 6 Operation piece 7 Cylindrical rotating part 8 Notch part 9 Rotating shaft 10 Key part 11 ... Hook 12 ... Hook tip 13 ... Locking protrusion 14 ... Cylindrical rotation groove 15 ... Heading part 16 ... Spring receiving part 17 ... Square hole 18 ... Square rotation shaft

Claims (2)

[Claims] 1. A latch device provided on a horizontally long front plate that extends over substantially the entire width of a drawer, and a front plate 1, and a lever plate 2 provided on the front plate 1 and provided with an operating piece 6 below so as to be rotatable. A latch device for a drawer, characterized in that the lever plate (2) comprises a latch (3) with a spring (4) interposed so as to always urge it to a locked state. 2. A latch device provided on a laterally long front plate extending over substantially the entire width of a drawer, the front plate 1 and an operation piece 6 provided rotatably on the front plate 1, and a notch portion 8 provided above.
The lever plate 2 having the above-mentioned structure and the key portion 10 provided on the rotating shaft 9 of the latch 3 fitted into the cutout portion 8 of the lever plate 2 are inserted so that the latch 3 is always biased to the locked state. A latch device for a drawer, wherein a latch 4 is released by interposing a spring 4 and pulling an operating piece 6 toward you.