JP2965985B1 - Latch device - Google Patents

Abstract

A latch device that can be applied to a corner portion of a door or a box body is provided. A sub-base plate portion (1b) is provided at one end of a main base plate portion (1a) of a base plate (1) at right angles to the sub-base plate portion (1b).
The base end of the operating lever 3 is connected to the bearing plate 2 projecting from the base by a first pivot 4, and the base end of the latch arm 5 is connected to the base end of the operating lever 3 by a second pivot 6. Link.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a latch device used for a device storage box or the like.

[0002]

2. Description of the Related Art In a conventional latch device disclosed in Japanese Utility Model Laid-Open Publication No. 61-176375, a base end of an operation lever is connected to a bearing plate projecting from one end of a base plate by a first pivot. The base end of the latch arm is connected to the intermediate portion of the operation lever by the second pivot, and the hook portion of the latch arm is engaged with the locking end of the catch so as to be locked. In the second
The pivot is more base than the straight line passing through the catch end and the first pivot.
The first pivot and the second pivot are arranged so as to be on the side of the disk.

However, in this conventional apparatus, the mounting object is limited to a single flat surface because the base plate is formed of a member that is not straight, and the door or box body where the mounting surface intersects at a right angle. Could not be mounted in the corners of.

[0004]

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a latch device which can be applied to a corner of a door or a box body.

[0005]

The latch device according to the present invention will be described with reference to the accompanying drawings. In the latch device of the present invention, one end of the main base plate 1a of the base plate 1 is attached to the sub base plate 1a.
b at right angles, the base end of the operating lever 3 is connected to the bearing plate 2 projecting from the sub base plate 1b by the first pivot 4, and the base end of the latch arm 5 is The second pivot 6 is connected to the base end of the operating lever 3 by the two pivots 6, and in a locked state in which the tip hook 7 of the latch arm 5 is engaged with the locking end 8 a of the catch 8. Is the locking end 8a of the receiver 8 and the first pivot 4
The first pivot 4 and the second pivot 6 are arranged so as to be closer to the base plate 1 than a straight line passing through.

[0006] In the latch device constructed as described above, for example, the main base plate portion 1a of the base plate 1 is connected to the front portion 16a of the door 16.
The sub base plate portion 1b is attached to the corner portion of the door 16 by contacting the sub base plate portion 1b with the end surface portion 16b of the door 16. In the locked and locked state as shown in FIG.
The tip hook 7 of the latch arm 5 is engaged with the locking end 8a of the catch 8
The operation lever 3 is in contact with the main base plate 1a of the base plate 1.

The operation lever-3 is operated by putting a finger on the finger end 3a.
When the lever is flipped up and rotated about the first pivot 4, the second pivot 6 moves forward of the sub-base plate portion 1 b of the base plate 1. -M5
, The tip hook 7 is detached from the locking end 8 a of the receiving metal 8. As a result, the locking of the door 16 to the box body 15 is released, and the door 16 is opened by pulling the operation lever-3 or another handle provided.

After the required work is completed, the door 16 is closed, the tip hook 7 is engaged with the locking end 8a, and the operating lever-3 is pushed down about the first pivot 4 and rotated.
6 is again locked and locked on the box body 15.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In the illustrated embodiment, a base plate 1 is shown.
The main base plate portion 1a contacts the front surface 16a of the door 16,
The sub base plate portion 1b is fixed to the door 16 such that the sub base plate portion 1b contacts the end surface 16b of the door 16. This fixing is performed by a fixing tool such as a screw passing through the through hole 19. The receiver 8 is fixed to the side surface of the corner of the box body 15 by a fixing tool such as a screw passing through the through hole 20.

On the front side of the other end of the main base plate portion 1a, a locking plate portion 10 which protrudes into the rear side cavity portion 9 of the operation lever-3 is protrudingly provided. The lock unit 11 is fixed by a fixing portion 18. The head of the lock unit 11 appears in the front through hole 17 of the operation lever-3, and the latch body 13 linked to the locking rotor of the lock unit 11 engages with the locking plate 10 by rotating the key 14. Then, the operation lever 3 is locked at the locking position.

The coil portion 12a of the torsion spring 12 is fitted on the second pivot 6, and one of the straight ends 12b of the torsion spring 12 is fitted.
Is brought into contact with the inner surface of the operating lever-3, and the other straight end 12
The operation lever 3 is urged in the flip-up direction by contacting the latch c with the inner surface of the latch arm 5.

[0012]

As described above, in the latch device of the present invention,
A sub base plate 1b is connected to one end of the main base plate 1a of the base plate 1 at right angles, and the base end of the operating lever-3 is mounted on a bearing plate 2 projecting from the sub base plate 1b. Since it is connected by the first pivot 4 and the base end of the latch arm 5 is connected to the base end of the operation lever 3 by the second pivot 6, the corner of the door or box body which cannot be used in the conventional apparatus. Can be applied appropriately.

[Brief description of the drawings]

FIG. 1 is a front view in a locked state of a latch device according to an embodiment of the present invention.

FIG. 2 is a right side view of the latch device.

FIG. 3 is a plan view of the latch device.

FIG. 4 is a bottom view of the latch device.

FIG. 5 is a rear view of the latch device.

FIG. 6 is a sectional view taken along line AA of FIG. 1;

FIG. 7 is a left side view of the latch device in an unlocked state.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Base plate 2 Bearing plate part 3 Operation lever 4 1st axis 5 Latch arm 6 2nd axis 7 Hook arm tip hook part 8 Receiving 9 Back cavity part of operation lever 10 Locking Plate part 11 Lock unit 12 Torsion spring 13 Latch body 14 Key 15 Box body 16 Door 17 Front through hole of operation lever-3

Continuation of the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) E05C 19/14 E05B 65/52 E05C 21/00

Claims (1)

(57) [Claims] 1. A sub base plate portion 1b is provided at one end of a main base plate portion 1a of a base plate 1 at right angles to the sub base plate portion 1b.
The base end of the operating lever 3 is connected to the bearing plate 2 projecting from the base by a first pivot 4, and the base end of the latch arm 5 is connected to the base end of the operating lever 3 by a second pivot 6. In the locked state in which the hook 7 of the latch arm 5 is engaged with the latching end 8a of the catch 8, the second pivot 6 is connected to the latch end 8a of the catch 8 and the first hook. A latch device in which the first pivot 4 and the second pivot 6 are arranged so as to be closer to the base plate 1 than a straight line passing through the pivot 4.