JP3720181B2 - Electrical equipment storage box - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a box for storing electrical equipment such as a distribution board, and more particularly to an improved structure of an engaging member between a lid portion and a container body.
[0002]
[Prior art]
A box for storing electrical equipment such as a distribution board is composed of a container body for housing electrical equipment and a cover body for covering the container. Engagement members of various structures are provided so that the opening can be conveniently opened and closed. Is attached. Here, the engaging member as the basis of the present invention will be described with reference to FIG.
[0003]
FIG. 6 is a vertical cross-sectional view of the main part of the opening including the container main body 2 of the electric equipment storage box and the cover main body 1 that covers the container. In this case, an engaging member 3 that engages the container main body 2 and the cover main body 1 is disposed in the opening. The engaging member 3 is formed of an engaging operation part 32 and a leg part 31 extending downward. As shown in FIG. 6A, the leg part 31 of the engaging member 3 is formed on the container body 2. The retaining claw 33 at the tip of the leg portion 31 is inserted into the mounting portion 21 and locked to the locking claw 22 on the mounting portion 21 side so that it does not come out. Further, the locking claw 34 provided on the side surface of the engagement operation unit 32 is locked to the locking claw 11 on the cover body 1 side so that the cover body 1 is not opened.
[0004]
To open the cover body 1 in such an engagement member 3, as shown in FIG. 6 (B), the engagement operation portion 32 of the engagement member 3 is pushed in from the front surface with a fingertip or the like. While the leg portion 31 remains fixed, the engagement operation portion 32 is pushed inward while being supported by the elasticity of the leg portion 31. At this time, the engagement claw 34 on the side of the engagement operation unit 32 is disengaged from the engagement claw 11 on the cover body 1 side, so that the cover body 1 can be opened upward.
[0005]
Then, if the pushing of the engaging operation portion 32 is stopped, the engaging operation portion 32 is brought into the initial state by the elasticity of the leg portion 31 with the cover body 1 opened as shown in FIG. It will return to. If the cover main body 1 is closed from this state, the locking claw 11 on the cover main body 1 side pushes away the locking claw 34 on the side of the engagement operation portion 32 to completely close the opening, and FIG. ) Is reproduced so that it does not open.
[0006]
In the opening / closing engagement mechanism between the container main body and the cover main body using such an engaging member, there is a disadvantage that the cover main body opens when it is not intended when a finger touches the engaging operation portion. It was requested to incorporate a mechanism that can be locked with a simple structure.
[0007]
[Problems to be solved by the invention]
The present invention has been made to solve the above-described problems, and provides an electric equipment storage box having a locking mechanism that can be easily operated from the external surface, has a small number of parts, and is excellent in assembling. .
[0008]
[Means for Solving the Problems]
The electrical equipment storage box of the present invention made to solve the above problem is an electrical equipment storage box provided with an engaging member for engaging the cover main body and the container main body in a closed state. The engaging member is provided with an engaging means for retreating inward to release the engagement, and the outer front end portion is used as a lock operating portion, and the engaging member is prevented from retreating at the rear end portion. The lock member provided with the locking means is penetrated and arranged from the outer surface to the back surface of the engagement member.
[0009]
And this invention can be embodied in the following form.
(1) The locking member includes an eccentric locking piece at a rear end portion thereof, and is fitted to the engaging member so as to be rotatable, and the eccentricity is obtained by twisting the locking operation portion at the front end portion. A form in which the locking piece is rotated and the eccentric tip end is locked to the lid or the container main body to prevent the engaging member from retreating so that the cover main body does not open.
(2) A mode in which a retaining groove is provided in the lock member and a retaining pin corresponding to the retaining groove is provided on the engaging member side.
(3) The form which provided the click part in the position corresponding to locking and / or unlocking of the said locking member.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Next, an embodiment according to the electrical equipment storage box of the present invention will be described with reference to FIGS.
In FIG. 1, in the electric equipment storage box of the present invention, an engagement member 3 for engaging the cover main body 1 and the container main body 2 in a closed state is provided at the opening portion, and the engagement member 3 is When the engaging operation part 32 is pushed in and retracted inward, the engagement between the side locking claw 34 and the locking claw 11 on the cover body 1 side is released, and the locking claw is an engaging means. It is assumed that the electrical equipment storage box is configured in the same manner as described above in that it is provided with 34. The engagement operation unit 32 is elastically returned to a position where the previous engagement is possible if the pushing operation is stopped and freed.
[0011]
The most characteristic feature is that the engaging member 3 has an outer front end portion as a lock operation portion 41 and a rear end portion that prevents the retraction operation of the engagement operation portion 32 of the engagement member 3. The lock member 4 provided with an eccentric locking piece 42 as a stopping means is penetrated from the outer surface of the engagement operation portion 32 of the engagement member 3 toward the rear surface, and is fitted and attached.
[0012]
The positional relationship between the lock member 4 and the engagement member 3 is shown in the cross-sectional view of the main part in FIG. 1 (A), the back view of (B), and the front view of (C). 4 is fitted to the engagement operation portion 32 of the engagement member 3 so as to be rotatable. The engaging member 3 is attached by inserting a leg portion 31 extending downward into a mounting portion 21 formed on the container body 2. In addition, the mounting portion 21 is provided with a regulation wall 23 that prevents the engaging member 3 from being excessively pushed when the engaging member 3 is inserted, and is configured so that the engaging member 3 is not damaged.
Then, by twisting the lock operation portion 41 at the front end portion of the lock member 4, the eccentric locking piece 42 at the rear end portion is rotated, and the eccentric front end portion 43 is regulated by the engagement member 3 and the container body 2. It can be inserted into the gap with the wall 23 and locked so as to prevent the engaging member 3 from retreating and prevent the cover body 1 from opening.
[0013]
Moreover, FIG. 2 is a figure which shows an unlocking state, (A) (B) (C) respond | corresponds to each of FIG. From the state shown in FIG. 1, the eccentric locking piece 42 is rotated by twisting the lock operating portion 41 by 90 degrees, and the eccentric tip 43 is extracted, so that the engaged state is released and the engagement member 3 is engaged. The combined operation unit 32 can be pushed in freely. In this way, in the present invention, an advantage that the locking and unlocking can be performed simply by twisting the lock operating portion 41 is obtained.
[0014]
In the lock member 4 of the present invention, it is sufficient to form a simple concave groove as shown in the figure in the lock operation portion 41 so that it can be twisted with a minus driver or a coin. However, it is only necessary to provide a plus groove or other irregularities that can be appropriately operated. The eccentric locking piece 42 is one of locking means for preventing the retracting operation of the engaging operation portion 32 of the engaging member 3, and is not limited to the illustrated one. In this embodiment (FIG. 1), the eccentric locking piece 42 is described as being locked to the container body 2 side, but this also functions in the same manner even when locked to the cover body 1 side. To do.
[0015]
In addition, the locking member 4 used in the present invention has a front surface of a cylindrical body as shown in FIG. 3 showing a front view (A), a side view (B), a back view (C), and a top view (D). The lock operation portion 41 is formed with an eccentric locking piece 42 at the rear end portion, and a retaining groove 44 and a click recess 45 are formed at the rear end side. From the point of view, it is preferable.
[0016]
Here, FIG. 4 is a rear view (B) and a sectional view (A) of the engaging member 3 to which the locking member 4 is attached, and the engaging operation portion 32 is provided with a cavity penetrating in the front-rear direction. A pair of retaining pins 35 and click pins 36 are arranged on the inner surface of the inner pin so as to protrude. Then, when the lock member 4 is inserted from the back side of the engagement operation portion 32, as shown in FIG. 5, the lock member 4 is rotatably fitted to the engagement operation portion 32 and easily assembled. become.
[0017]
Further, in this state, if it is set in advance so that the retaining pin 35 and the click pin 36 on the engaging operation portion 32 side coincide with the retaining groove 44 and the click recess 45 on the lock member 4 side, the retaining groove 44 is provided. The locking pin 35 is fitted and the locking member 4 is prevented from coming out, and the click recess 45 and the click pin 36 cause resistance when the locking member 4 is twisted, so that the locking position or the unlocking position is set. The advantage is that it can be easily recognized and malfunctions can be prevented. Note that a click recess may be provided in the retaining groove, and in this case, the retaining pin and the click pin may be combined.
[0018]
【The invention's effect】
Since the electrical equipment storage box of the present invention is configured as described above, it can be easily locked and unlocked from the outside simply by operating the lock operation portion of the outer front end portion of the lock member. In addition to the effects described above, since the lock member is almost integrated, the number of parts is small, and it is only necessary to fit the lock member into the engaging member and assemble it. Therefore, the present invention has an extremely large industrial value as an electrical equipment storage box that solves the conventional problems.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view (A) of an essential part for explaining an embodiment of the present invention, a rear view (B) of an engaging member, and a front view (C) thereof.
FIG. 2 is a sectional view (A) of a main part for explaining the operation of the embodiment of the present invention, a rear view (B) of an engaging member, and a front view (C).
FIG. 3 is a front view (A), a side view (B), a back surface (C), and an upper surface (D) showing an embodiment of the lock member of the present invention.
FIG. 4 is a cross-sectional view (A) and a back view (B) showing an embodiment of an engagement member of the present invention.
FIG. 5 is a cross-sectional view showing a fitting state of the engaging member and the lock member of the present invention.
FIGS. 6A and 6B are cross-sectional views (A), (B), and (C) showing an engaging operation between the container main body and the cover main body of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Cover main body, 11 Locking claw, 2 Container main body, 21 Mounting part, 23 Restriction wall, 3 Engagement member, 32 Engagement operation part, 34 Locking claw, 35 Retaining pin, 36
Click pin, 4 lock member, 41 lock operation part, 42 eccentric locking piece, 43 eccentric tip, 44 retaining groove, 45 click recess.

Claims (4)

In an electrical equipment storage box provided with an engagement member for engaging the cover body and the container body in a closed state, the engagement member is retracted inward to release the engagement. A locking member provided with a locking means for preventing the engaging member from retracting at the rear end portion from the outer surface to the back surface of the engaging member. A box for storing electrical equipment, characterized by being penetrated and arranged. The locking member is provided with an eccentric locking piece at a rear end portion thereof, and is fitted to the engaging member so as to be rotatable, and the eccentric locking piece is obtained by twisting the locking operation portion at the front end portion thereof. The lock member is configured to prevent the cover body from being opened by rotating the, and locking the eccentric tip of the cover member or the container body to prevent the engagement member from moving backward. Box for electrical equipment storage. The electric device storage box according to claim 1 or 2, wherein a retaining groove is provided in the lock member, and a retaining pin corresponding to the retaining groove is provided on the engagement member side. The electric equipment storage box according to any one of claims 1 to 3, wherein a click portion is provided at a position corresponding to locking and / or unlocking of the locking member.

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