Press-button lock

Abstract

A handle 4 is connected with a lock shaft 3 fitted and inserted into a bearing cylindrical part 2 of a fixed pedestal 1 by a pivotal shaft 5, and an eccentric projection 11 to be inserted into a fan-shaped recessed part 12 of a bottom face part of a front recessed part 8 of the fixed pedestal 1 is provided on a rotary angle regulation panel 10 stored in the front recessed part 8 thereof to attract the handle 4 into a front part of the rotary angle regulation panel 10 by a spring member 14. A rotation non-allowing part 17 engaging with a central through hole 13 of the rotary angle regulation panel 10 so as not to rotate and a rotation allowing shaft part 18 engaging with the central through hole 13 so as to rotate are provided in front and rear of the lock shaft 3. A guide cylindrical part 25b is continuously provided at a right angle for a rotation operation part in a terminal part on a mounting nut 25.

Description

technical field [0001] The present invention relates to a push lock (Fasuna-lock) device used for panel mounting and the like of an air conditioner. Background technique [0002] In the button lock locking device disclosed in the known Japanese Unexamined Publication No. 61-20862, a locking shaft that can move in the front-rear direction and is rotatable is embedded in the bearing cylinder of the fixed pedestal. The front end of the locking shaft is pivotally connected to the base end of the handle. The handle is hung on the fixed pedestal by a spring member. When the baffle plate mounted on the locking shaft is in the clamped locking position, the base end of the handle contacts the fixed seat with the first contact surface. When the baffle is at the position of releasing the clamp, the base end of the handle is in contact with the fixed seat through the second contact surface. The distance between the first contact surface and the above-mentioned pivot is set to be larg...

AI Technical Summary

Problems solved by technology

[0005] However, when switching the rotation mode, it is necessary to disassemble the device as a whole and then assemble it together

In this way, there is a disadvantage of complicating the switching operation

[0006] In addition, in order to install the fixed base on the panel, it is necessary to precisely penetrate the mounting hole used for inserting the bearing cylinder of the fixed base on the panel, which is not easy to implement and also increases the cost.

When the mounting nut is threadedly connected to the convex thread portion of the bearing cylinder to securely fix the fixed base on the panel, when the mounting hole is not perpendicular to the surface and the inside of the fixed base, the bearing cylinder leans against it for embedding. inserted, resulting in deterioration of the installation posture of the push-twist lock device relative to the panel

[0007] Further, in the conventional push button lock device, since there is no device for constraining the handle in the lodging position, it is impossible to reliably prevent the operation of unlocking by others.

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