JP3050414B2 - Double case for electrical equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a double-sided case having a double-sided cover which can be used for various electric appliances, and more particularly to a terminal board case.

[0002]

2. Description of the Related Art Conventionally, for example, a terminal board is usually provided with a cover in order to protect a plurality of terminals arranged on both sides thereof. Conventionally, this type of cover has a structure in which a peripheral edge thereof is fitted to an edge of a terminal board, and when wiring is performed on a terminal of the terminal board, the entire cover is removed from the terminal board.

[0003]

As described above, in the structure in which the entire cover is removed for wiring to each terminal of the terminal board, the cover removed when the wiring work is completed is mounted on the terminal board surface again. You have to do it. In addition, this type of terminal board is often mounted in a narrow place where various devices are lined up, such as near a production line in a factory, and therefore, there is no suitable place to place the removed cover, or unstable. When placed on a place, there were inconveniences such as falling to the ground and being damaged.

SUMMARY OF THE INVENTION An object of the present invention is to provide a double-sided case in which only a necessary side can be opened without removing the entire cover.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a case in which electric equipment is provided with projections provided at both ends of opposite side plates of the case, and a cover having a size corresponding to the case. A means was used in which elongated holes were formed at the four corners of the edge corresponding to the respective projections, and a part of each of the elongated holes was formed as an insertion portion through which the projection could be inserted.

In addition, a means is used in which a concave portion is formed in the center of both side plates, and an elastic spacer having a width corresponding to the concave portion is provided in the center of the cover.

[0007]

In the present invention according to the above-mentioned technical means, the projections provided at both ends of the side plate engage with the elongated holes of the four corners of the cover to slide the cover on the case by the length of the elongated holes. Attach freely. Then, the insertion portion of the projection provided at the outer end of each long hole of the cover presses the cover itself horizontally, and the insertion portions of the opposite side edges on the pressed side move inward, respectively. To the position of the protrusion.
If the portion is pulled up in this state, the engagement of the projection is released via the insertion portion, and the cover is opened. On the other hand, at the other end of the cover, the insertion portion of the elongated hole moves in the outward direction opposite to the projection, and the projection of the portion still engages with the corresponding elongated hole, and as a result, the other end of the cover Has an effect as a fulcrum when the pushing side is opened. On the other hand, if the cover is pushed in the opposite direction to the above, the engagement of the projection is released on the same pressed side, so if the part is pulled up, the cover will be opposite to the above with the opposite projection as the fulcrum. open.

In the case where a recess is provided in the center of both side plates and an elastic spacer is provided in the center of the cover correspondingly, the spacer restricts the cover from sliding in the horizontal direction, so that the cover is normally In the state of (1), an effect of maintaining the position without deviation from the case is exerted.

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing an embodiment in which the structure of the present invention is applied to a terminal board. Referring to FIG. The case 3 is a side plate erected on both sides thereof, 4a and 4b are a pair of projections provided on the inner surfaces of both ends of each side plate 3 respectively, and 5 is a recess formed in the center of the side plate 3. or,
Reference numeral 6 denotes a transparent or translucent cover having a shape corresponding to the case 1 and four protrusions 4a.
Slots 7a and 7b are provided in parallel with the cover surface to lock the holes 4b, and a part of these slots is recessed in a thin shape so that the projections 4a and 4b can pass therethrough to form an insertion portion 8. (See FIGS. 2 and 3). An anchor-shaped spacer 9 is provided at the center of the cover 6 so as to be inserted into the recess 5 of the side plate 3 as shown in FIG. 4, and this spacer 9 regulates the sliding of the cover 6 in the horizontal direction. The left and right branch rods 9a have a moderate elasticity, and the cover 6 is slid by the length of the long hole by pushing the cover 6 in the horizontal direction against the elasticity of the branch rod 9a by hand. is there.

In the figure, 6b is a slit cut along the side edge 6a of the cover 6, or 10 is a groove formed along the side plate 3, and the side edge 6a of the cover is formed in the groove. They are fitted. Reference numeral 11 denotes a key for attaching and detaching the case 1 to and from the rail R.

In the above embodiment, the length between the opposing side edges 6a of the cover 6 corresponds to the distance between the side plates 3, so that the cover 6 fits between the side plates 3 without any gap. At the same time, the long holes 7a and 7 provided at the four corners of the side edge 6a
b engages with the projections 4a and 4b on the side plate surface, and the cover 6 is mounted. At this time, the spacer 9 at the center of the cover 6 is inserted into the recess 5 of the side plate 3 so as to cover the cover 6.
Is regulated in the horizontal direction, and the cover 6 is usually maintained at a position where there is no deviation from the case 1. In this state, the pair of projections 4a and 4b on both sides are elongated holes 7a and 7b.
Therefore, the cover 6 is not opened even when the cover 6 is lifted (see FIG. 5). Next, for example, when wiring to the terminal on the (A) side of the case 1, if the cover 6 is slid to the opposite (B) side against the elasticity of the spacer 9 as shown in FIG. A) Projection 4 on the side
If the cover 6 is pushed up from the (A) side in this state, the projections 4b locked in the respective long holes 7b come off from the insertion portion 8, and as a result, the The side A) opens (see FIG. 7). At this time, the opposite (B)
On the side, each projection 4a moves away from the insertion portion 8 of the elongated hole 7a with the movement of the cover 6, and the elongated hole 7a and the projection 4a are more deeply engaged with each other.
Only the side opens.

When the wiring to the terminal 2 is completed, the operation opposite to the above is performed, that is, the (A) side of the cover 6 is lowered and the projection 4b is inserted through the insertion portion 8b of the elongated hole 7b. When the projection 4b is engaged in the elongated hole 7b, the cover 6 returns to a predetermined position due to the elasticity of the spacer 9, and the cover 6 is mounted again (the state of FIG. 5).

On the other hand, when the case 1 is opened on the (B) side, the cover 6 is slid to the (A) side, and the (B) side is pushed up in this state. The (B) side can be opened with the (A) side as a fulcrum.

In the above embodiment, since the slit 6b is cut along the side edge 6a of the cover 6, the end of the side edge 6a is slightly elastic when the projections 4a and 4b are engaged. As a result, the cover 6 can be more smoothly engaged and disengaged.

Further, in the present invention, in addition to the case where the projection is provided on the inner surface of the side plate as in the above example, the protrusion may be provided on the outer surface.
In addition, the spacer 9 provided on the cover 6 is not limited to the above-described anchor shape, but may be any structure having appropriate elasticity.

[0016]

According to the present invention, a projection is provided on each of the left and right sides of both side plates of a main body case of an electric device such as a terminal board, and the projection can be engaged with four side edges of a cover having a size corresponding to the case. A hole is provided, and an outer part of the end of the long hole is used as an insertion portion of the projection by a predetermined length, and the entire cover is slid left and right so that the projection is disengaged from the insertion portion. Therefore, according to the present invention, it is sufficient to push up the cover on the necessary side of the case of the electric device,
Since the other end of the cover is always locked by the projection, only the necessary side can be opened while one end of the cover is pivotally supported by the case. For this reason, for example, in the terminal board, it is not necessary to remove the entire cover from the case to hit the wiring as before, and even in a narrow place where other devices are lined up, such as a factory production line, the cover is not damaged and efficient. Wiring work can be performed.

In the case where the spacer is provided at the center of the cover, the horizontal sliding of the cover is restricted by inserting the spacer into the concave portion of the side plate. Therefore, for example, even when the electric device is mounted on a wall or the like, there is an advantage that the cover is accurately mounted on the terminal board without sliding downward by gravity.

[Brief description of the drawings]

FIG. 1 is a perspective view showing one embodiment of a double case according to the present invention.

FIG. 2 is an enlarged perspective view of a side edge portion of a cover.

FIG. 3 is an essential part plan view showing an engagement state between a cover and a side edge.

FIG. 4 is an enlarged perspective view showing an inserted state of a spacer.

FIG. 5 is an enlarged sectional view showing a mounted state of a cover.

FIG. 6 is an enlarged sectional view showing a sliding state of a cover.

FIG. 7 is an enlarged sectional view showing an open state of a cover.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Case 3 Side plate 4a ・ 4b Projection 5 Recess 6a Side edge 7a ・ 7b Long hole 8 Insertion part 9 Spacer

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-61-229082 (JP, A) JP-A-3-126858 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) E05D 1/06-15/50 H01H 9/02 H05K 5/03

Claims (1)

(57) [Claims] 1. A projection 1 having projections 4a and 4b provided at both ends of a facing side plate 3 of a case 1 in which an electric device is housed. · 4b while penetrated the correspondingly long holes 7a · 7b and the respective outer part of the long holes and the insertion portion 8 of the projection can be inserted, further recesses in the middle of each side plate 3
5 and the recess 5 is located at the center of the cover 6.
A double-sided case for electrical equipment, comprising a spacer 9 having elasticity with a matching width .