JPH0741189Y2 - Lid lock mechanism for electronic equipment - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lid lock mechanism for an electronic equipment casing used for a power amplifier for communication, a signal distributor, a branching device and the like.

[0002]

2. Description of the Related Art FIGS. 3A and 3B show the structure of a conventional electronic device housing. FIG. 3A is a side view thereof and FIG. 3B is a rear view thereof.

For example, the signal distributor and the branching device are used by vertically mounting them on a wall surface, a pillar or the like of a building, and a front side surface is a lid 12 with respect to a housing body 11, and the lid 12 is a housing. A shaft 13 arranged in parallel with the upper edge of the body 11 is used as a fulcrum to open toward the front and upward.

[0004]

However, the above-mentioned conventional electronic equipment housing does not have a mechanism for holding the lid 12 in the opened state when the lid 12 is opened from the housing body 11. Even during maintenance, inspection, etc., the work must be carried out while holding the lid 12 by hand so as not to lower it, which is a very troublesome drawback.

The present invention has been made in view of the above problems.
An object of the present invention is to provide a lid lock mechanism for an electronic device housing that allows the lid to be held open during maintenance work, inspection work, etc. And

That is, the lid lock mechanism of the electronic equipment casing according to the present invention opens and closes the casing main body with a shaft arranged in parallel along one edge of the casing main body and using this shaft as a fulcrum. A lid and a lid moving portion that is provided on the inner surface of the lid that faces the surface of the shaft and that corresponds to the opening and closing of the lid, and the tip of the lid moves along the surface of the shaft. The position corresponding to the position immediately before the end point of movement of the lid moving part in
A small protrusion provided on the surface of the spindle is provided.

[0007] In other words, the FutaUtsuri due to the fully open operation of the lid
The moving part gets over the small projection of the shaft and is engaged and held by the small projection.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a structure of a lid lock mechanism of an electronic device housing. FIG. 1A is a central longitudinal sectional view thereof, and FIG.
Is a front view of the back side thereof.

The housing of the electronic device is a housing body 2 facing one side.
1 and a lid 22 facing the other, a cylindrical shaft 23 is arranged in parallel with the upper end edge 21a of the upper part of the housing body 21, and the lid 22 is formed by the shaft 23. With the fulcrum as the fulcrum, it is opened from the bottom to the top.

Here, the upper end 22a of the lid 22 has a shaft 23.
Is formed in an arc shape along the outer peripheral surface of the lid 22. The arc-shaped portion at the upper end portion 22a of the lid 22 is formed so as to wrap around to the back side only at both end portions 24a and 24b thereof. Between the two, the lid 22
In the closed state, it is formed so as to wrap around the arc-shaped top portion of the arc-shaped portion at the upper end portion 22a.

That is, in the front view of the back side (see FIG. 1B) with the lid 22 closed, the upper end portion 2 of the lid 22 is shown.
2a and both end portions 24a and 24b thereof are surrounded by the upper half of the shaft 23 at the upper end edge 2 of the housing body 21.
It will appear along 1a. Then, when the lid 22 is opened, the arc-shaped top portion of the lid 22 comes into contact with the upper end edge 21a of the housing body 21 to be in a fully opened state.

The tip of the arcuate apex along the shaft 23 at the upper end 22a of the lid 22 is the shaft 23.
The upper end bent portion 25 of the lid 22 is bent toward the center of the bent portion 2.
The length of the tip of No. 5 makes a light contact with the surface of the shaft 23. That is, the tip of the bent portion 25 comes into light sliding contact with the surface of the shaft 23 as the lid 22 is opened and closed.

Further, a small protrusion 26 is provided at the center of the upper backside surface of the shaft 23, and the tip of the bent portion 25 at the upper end 22a of the lid 22 is smaller than the small protrusion 26 when the lid 22 is fully opened. The protrusion 26 is configured to be crossed over and engaged.

2A and 2B show a state in which the lid of the lid locking mechanism of the electronic device casing is fully opened and locked. FIG. 2A is a partial sectional side view of the same, and FIG. is there.

That is, when the lid 22 is opened with respect to the casing body 21, the upper end bent portion 25 of the lid 22 moves clockwise while sliding the surface of the shaft 23 in the drawing, and at the same time, the shaft 23 of the shaft 23 moves. The small projections 26 provided on the surface are crossed over and engaged.

At this time, the arc-shaped top of the lid 22 is the main body 2 of the housing.
The upper end bent portion 25 of the lid 22 is engaged with the small projection 26 provided on the shaft 23 on the side of the housing main body 21 while contacting the upper end edge 21a of the lid 1 to be fully opened. 22 is fixedly held in the fully opened state.

When the lid 22 is closed, the locking piece 28 provided on the lower inside of the lid 22 is engaged with the engaging piece 27 provided on the lower portion of the housing main body 21. The lid 22 is fixedly held in the fully closed state.

Therefore, according to the lid lock mechanism of the electronic equipment casing having the above-mentioned structure, the small projection 26 is provided on the surface of the shaft 23 arranged in parallel along the upper end edge 21a of the casing body 21, and the shaft 23 is secured. The upper end 22a of the lid 22 that opens and closes as a fulcrum has an arcuate portion along the shaft 23 provided with a bent portion 25 whose tip is in sliding contact with the surface of the shaft 23.
Since the tip of the upper end bent portion 25 of the lid 22 crosses over the small protrusion 26 of the shaft 23 and is engaged and held when the lid 22 is opened, the lid 22 is used for maintenance and inspection of the inside of the electronic device housing. Since it is not necessary to push up by hand, it can be fixed and held in the open state, and workability can be greatly improved. In the above embodiment, the lid 22
The bending length of the upper end bent portion 25 is
The tip is configured to have a length that makes light contact with the surface of the shaft 23.
However, in short, it engages the small projection 26 provided on the surface of the shaft 23.
Do not touch along the surface of the shaft 23 if possible.
Of course, it may be a long length.

[0019]

As described above, according to the present invention, a shaft arranged in parallel along one edge of the housing body, a lid for opening and closing the housing body with the shaft as a fulcrum, A lid moving part which is provided on the inner surface of the corresponding lid facing the surface of the shaft and whose tip moves along the surface of the shaft when the lid is opened and closed; End point of movement of the lid moving part in
A small protrusion provided on the surface of the shaft corresponding to the position immediately before the position, and the lid moving portion crosses over the small protrusion of the shaft and is engaged with and held by the small protrusion when the lid is opened. Therefore, during the work such as maintenance and inspection, it is not necessary to hold the lid by hand so as not to lower it, and it is possible to hold the lid open.

[Brief description of drawings]

FIG. 1 is a diagram showing a configuration of a lid lock mechanism of an electronic device housing according to an embodiment of the present invention.

FIG. 2 is a diagram showing a fully open locked state of the lid in the lid locking mechanism of the electronic device housing.

FIG. 3 is a diagram showing a configuration of a conventional electronic device housing.

[Explanation of symbols]

21 ... Casing body, 21a ... Upper edge of casing body, 22 ...
Lid, 22a ... Upper end of lid, 23 ... Shaft, 24a, 24b ...
Upper end portions of the lid, 25 ... Upper end bent portion of the lid, 26 ... Small projection of shaft.

Claims (1)

[Scope of utility model registration request] 1. A shaft arranged in parallel along one edge of the housing body, a lid for opening and closing the housing body with this shaft as a fulcrum, and a corresponding surface facing the surface of the shaft. protruding on the inner surface of the lid
Te is provided, a lid moving part whose tip with the opening and closing of the lid is moved along the surface of the shaft, the axis corresponding to the position of the moving end position immediately before the cover moving part in the fully opened state of the cover A lid lock for an electronic equipment housing, comprising: a small protrusion provided on a surface of the lid, and a lid moving portion that rides over the small protrusion of the shaft and is engaged with and held by the small protrusion when the lid is opened. mechanism.