JP2021183500A - Cushioning material for breaker packing box - Google Patents

Abstract

To provide a cushioning material for a breaker packing box capable of using a common packing box with respect to agreement breakers of 3P and 2P having different widths, and capable of being manufactured easily.SOLUTION: A cushioning material for a breaker packing box can store 3P and 2P breakers whose dimensions in the frontward/backward direction are the same and includes: surface members 2 arranged at the positions opposing to the surfaces of the front and back of a breaker; side surface members 3 arranged on the right and left of the breaker; and a bottom member 4 placed below the breaker. Each of the members is formed integrally by a piece of paper material. The side surface member 3 is formed continuously to the right and left of the surface members 2 placed in front and at the back, and formed being divided into two frontward/backward. While the side surface member 3 is arranged so as to be along the inside of the packing box with respect to the 3P breaker, it is folded and arranged with respect to the storage of the 2P breaker. Also, it has a holding base 5 formed by one part which strides over the bottom member 4 being folded in a ridge-shape from the surface member 2, a breaker 6 is placed on the holding base 5, and a space is provided therebelow.SELECTED DRAWING: Figure 1

Description

The present invention relates to a breaker packing box cushioning material for accommodating a three-pole breaker or a two-pole breaker in a common packing box.

When the breaker is housed in the packing box, a cushioning space is provided around the breaker, and a cushioning material is arranged in this cushioning space to protect the breaker housed from impact. In addition, a part of the cushioning space is used as a space for storing accessories.
For example, in Patent Document 1, the packing box and the cushioning material are integrally formed, and in particular, a sufficient cushioning space is formed in the lower part of the packing box so as to withstand the impact of dropping. In addition, an accessory storage unit is arranged above the housed breaker.

Japanese Unexamined Patent Publication No. 2018-30612

The circuit breaker packing box of Patent Document 1 was strong against an impact from below, and accessories could be stored well. In addition, since the packing box and cushioning material are integrated, the number of parts for packing can be reduced.
However, for example, a 3P breaker (3-pole breaker) with a width of 75 mm, which is a contract type breaker, and a 2P breaker (2-pole breaker) with a width of 50 mm are different in width, but a common packing box is used. I couldn't. Therefore, the cushioning member is also a separate member.
In addition, since the packing box and the cushioning material are composed of one sheet, the man-hours for manufacturing are large and troublesome, and if the cushioning material is used to compensate for the lack of strength of the packing box, it is necessary to make the entire packing box thicker. Yes, the cost and assembleability deteriorated. Further, since the accessories are housed in the upper part of the breaker, the upper surface of the breaker may be scratched due to vibration or the like generated during delivery.

Therefore, in view of these problems, the present invention provides a cushioning material for a breaker packing box that can be easily manufactured by using a common packing box for agreement type breakers having different widths of 3P and 2P. I am aiming.

In order to solve the above problems, the invention of claim 1 is a circuit breaker packing box shock absorber that is arranged around the breaker to protect the breaker when the breaker is housed in the packing box, and is on the power supply side of the breaker. It can accommodate 3P and 2P breakers with the same front-rear dimensions where the terminals / load-side terminals are located, and is arranged on the left and right sides of the breaker and the surface members placed on the front and rear parts facing the front and rear surfaces of the breaker. It has a side member to be formed and a bottom member arranged at the bottom of the breaker, and each member is integrally formed of a single sheet of paper, and the side members are on the left and right of the front and rear arranged surface members. While it is continuously formed and divided into two parts in the front and rear, the surface member is continuously formed from two opposite sides of the bottom member, and the side surface member is not bent when accommodating the 3P breaker and accommodates the 2P breaker. At the time, the surface member is bent and arranged to close the gaps generated on the left and right sides of the breaker, and the surface member is bent from the end of the bottom member to be formed upright, while straddling the surface member to the bottom member. A part of the paper was bent in the opposite direction to form a holding table protruding inside the packing box on both the front and back sides, and the breaker was placed on the holding table to form a space under the breaker. do.
According to this configuration, the same cushioning material can be used to satisfactorily accommodate two types of breakers, 3P and 2P. Moreover, since the cushioning material is separate from the packing box, it is easy to manufacture and handle. By providing a holding table at the bottom, the lower space formed by the holding table can be used as a shock absorbing space and an accessory storage space, and can be made strong against impact from below, and the name plate provided on the upper part of the breaker. Will not be damaged by the accessories.

According to the second aspect of the present invention, in the configuration according to the first aspect, when the 2P breaker is accommodated, the side surface member is bent inward and folded in half in a horizontal plane to form a triangle with the surface member. However, it is characterized by closing the gaps generated on the left and right sides of the breaker with all four triangles.
According to this configuration, the gap generated when the 2P breaker is housed in the packing box can be closed by simply folding the side member in half, so that the breaker can be closed by a simple operation and can be packed well.

According to the present invention, by providing the holding table at the lower part, the holding table forming portion can be used as a shock absorbing space and can be made strong against impact from below. In addition, since the accessories are stored in the lower part, the name plate provided on the upper part of the breaker will not be damaged. The same cushioning material can be used to satisfactorily accommodate two types of breakers, 3P and 2P, and since the cushioning material is separate from the packing box, it is easy to manufacture and handle.

An example of the cushioning material for a breaker packing box according to the present invention is shown, and in the external view of the assembled state, (a) shows a case where a 3P breaker is accommodated, and (b) shows a case where a 2P breaker is accommodated. .. It is a development view of the cushioning material for a breaker packing box of FIG. It is an explanatory view accommodating a 2P breaker, (a) is a side view, and (b) is a front view. It is a perspective view which accommodated the 2P breaker.

Hereinafter, embodiments that embody the present invention will be described in detail with reference to the drawings. 1 and 2 show an example of a cushioning material for a breaker packing box according to the present invention, FIG. 1 (a) is a state assembled for accommodating a 3P breaker, and FIG. 1 (b) is for accommodating a 2P breaker. In the assembled state, FIG. 2 shows a developed view.
As shown in FIGS. 1 and 2, the cushioning material for a breaker packing box (hereinafter, simply referred to as “cushioning material”) 1 has a member that adheres to each surface other than the upper surface of the packing box (not shown). ing.

Specifically, the surface members 2 arranged before and after the power supply side terminal 61 or the load side terminal 62 of the breaker 6 (shown in FIGS. 3 and 4) and the side surface members 3 arranged on the left and right sides of the housed breaker 6 And a bottom member 4 arranged at the bottom of the breaker 6. Each member is integrally formed of a single sheet of paper.
The surface member 2 and the bottom member 4 have a size that covers the entire front and rear surfaces and the bottom surface of the inside of the packing box. The side surface member 3 is continuously formed on the left and right sides of the front and rear surface members 2, and is divided into two front and rear parts with respect to one side surface. As a result, the side surface member 3 is composed of four members in total on the left and right sides.

When accommodating the 3P breaker 6, the side surface member 3 is arranged so as to be in close contact with the side surface of the packing box as a whole without bending, as shown in FIG. 1 (a). On the other hand, when accommodating the 2P breaker 6, as shown in FIG. 1 (b), it is bent and arranged so as to form a triangle with the surface member 2. Specifically, it is folded in half in a horizontal plane and bent inward to be arranged.
By forming a triangle, the tip end portion of the bent side member 3 comes into contact with the left and right sides of the 2P breaker 6 to close the left and right gaps, and the position shift of the breaker 6 is prevented.

On the other hand, the packing box has a height sufficient for the height of the breaker 6 to store the accessories of the breaker, and based on this height, the cushioning material 1 mounts the breaker 6. The holding table 5 to be placed is formed at two places in the front and rear of the lower part, and a space is formed in the lower part of the housed breaker 6.

The surface member 2 is continuously formed in front of and behind the bottom member 4, and the surface member 2 is formed upright from the bottom member 4, but the holding base 5 is formed by a member extending over the surface member 2 and the bottom member 4. It is separated from both.
Specifically, two notches 5a straddling the surface member 2 and the bottom member 4 are formed in parallel on the left and right sides, and the holding table 5 is formed by the members sandwiched between the notches 5a. The surface member 2 is formed by folding a valley from the bottom member 4 and standing upright, but by folding a mountain in the opposite direction. The formed holding table 5 is folded in a mountain so that the upper surface becomes horizontal.

3 and 4 are explanatory views of a state in which the circuit breaker 6 of the agreement type 2P is housed, FIG. 3A shows a side view, FIG. 3B shows a front view, and FIG. 4 shows a perspective view. The circuit breaker 6 to be accommodated has a power supply side terminal 61 on the back side on one side in the longitudinal direction and a load side terminal 62 on the front side on the other side, and has an operation lever 63 for on / off operation in the center of the upper portion. A name plate 64 is provided on the upper surface adjacent to the 63.
The breaker 6 is inserted from above with respect to the assembled cushioning material 1, the front and rear contact with the formed holding table 5, and the breaker 6 is housed in the cushioning material 1 with a space below. Then, in this state, it is stored in a packing box (not shown).

In this way, by providing the holding table 5, a space is formed in the lower part of the breaker 6. Further, when accommodating the 2P breaker 6, the left and right side surface members 3 are folded in half as shown in FIG. 4, and a triangle is formed and used so as to close the left and right gaps.

As shown in FIG. 3, a space in which nothing is arranged is formed in the front and rear lower portions of the breaker 6 formed by the holding table 5, and this space is used as a shock absorbing space S for absorbing an impact from below. Further, the space formed between the front and rear holding bases 5 is used as an accessory storage space 7, and is used for storing crimp terminals, terminal covers, mounting screws, and the like. FIG. 3 shows a state in which the terminal cover 8 is stored as an accessory, and the breaker 6 is housed after these accessories are stored.

The 3P breaker 6 has the same length and height as the 2P breaker 6, but the width is wider than the 2P, and the packing box is designed to accommodate the 3P breaker. It has been made. Therefore, when accommodating the 3P breaker 6, the side surface member 3 does not need to be bent as shown in FIG. 1 (a). The other configurations are the same as in the case of accommodating the 2P breaker 6, the breaker 6 is placed on the holding table 5, and the accessory storage space 7 is provided in the central portion between the holding tables 5. There is.

In this way, the same cushioning material can be used to satisfactorily accommodate two types of breakers 6 of 3P and 2P. Further, since the cushioning material 1 is separate from the packing box, it is easy to manufacture and handle. By providing the holding table 5 at the lower part, the lower space formed by the holding table 5 can be used as the shock absorbing space S and the accessory storage space 7, and can be made strong against impact from below, and can be placed on the upper part of the breaker 6. The provided name plate 64 will not be damaged by the accessories.
Further, since the gap generated when the 2P breaker 6 is housed in the packing box can be closed only by folding the side member 3 in half, it can be closed by a simple operation and can be packed well.

In the above embodiment, when the 2P breaker 6 is accommodated, the side surface member 3 is folded in half, but the side member 3 may be folded in three, and the generated left and right gaps can be satisfactorily closed by folding in three.

1 ・ ・ Cushioning material for breaker packing box 2 ・ ・ Surface member 3 ・ ・ Side member 4 ・ ・ Bottom member 5 ・ ・ Holding stand, 6 ・ ・ Breaker, 7 ・ ・ Accessory storage space, 64 ・ ・Name plate, S ... shock absorption space.

Claims (2)

A cushioning material for a breaker packing box that is placed around the breaker to protect the breaker when the breaker is housed in the packing box.
It is possible to accommodate 3P and 2P breakers with the same dimensions in the front-rear direction where the power supply side terminal / load side terminal of the breaker is arranged.
A surface member arranged at the front-rear portion facing the front-rear surface of the breaker, and
The side members arranged on the left and right of the breaker,
It has a bottom member arranged at the bottom of the breaker and has.
Each of the above members is integrally formed of a single sheet of paper.
The side surface member is continuously formed on the left and right sides of the front and rear surface members and is divided into two front and rear parts.
The surface member is continuously formed on two opposing sides of the bottom member, and is formed.
The side surface member is not bent when accommodating the 3P breaker, and is bent and arranged when accommodating the 2P breaker to close the gaps generated on the left and right sides of the breaker.
Further, while the surface member is bent from the end of the bottom member to be formed upright, a part of the surface member straddling the bottom member is bent in the opposite direction and projected into the inside of the packing box. Holding stands are formed on both the front and back,
A cushioning material for a circuit breaker packing box, which is characterized in that a breaker is placed on a holding table to form a space under the breaker. When accommodating the 2P breaker, the side surface member is folded in half in a horizontal plane to form a triangle with the surface member.
The cushioning material for a breaker packing box according to claim 1, wherein all four triangles close the gaps generated on the left and right sides of the breaker.

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