JPH0532475Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to an electric fan packaging box for packaging an electric fan in a disassembled state.

[Prior Art] A conventional electric fan packaging box, in which the guard and blades are removed from a main body consisting of a stand portion and a motor portion, and the fan is disassembled and packaged in a single box, has been developed, for example, in 1983. The configuration is as disclosed in Publication No. -118089. That is, as shown in FIG. 6, the lid and the bottom are formed on the upper and lower surfaces of a body part 30 formed by bending four flaps into a rectangular cylinder shape, and this outer box. 31 when viewed from the opening direction of the lid, there is a generally T-shaped main body storage section 32 located in the center, and approximately I for storing blades and guards located on both sides of this main body storage section 32.
A buffer middle frame 34 bent into a substantially convex shape divided into three parts including a letter-shaped disassembled parts storage section 33, a motor receiving member 35 that supports the motor section of the main body from below,
Base receiving plate 3 that receives the base of the stand part of the main body
6, and the main body, blades, and guard of the electric fan are separated into an outer box 31 that is partitioned into three parts, a main body storage section 32 and a disassembled parts storage section 33, by accommodating a buffer frame 34. Receiving member 3
5 and a base receiving plate 36 to be housed in a restrained state.

[Problems to be solved by the invention] In the conventional electric fan packaging box described above, there are a large number of attached cushioning members provided inside the outer box 31, and the folded portions are mountain-folded or valley-folded. Because of the unevenness, there are problems that need to be solved, such as poor assembly work efficiency and high costs.

This invention was made in order to solve such conventional problems, and the purpose is to obtain a packaging box for an electric fan that has a small number of parts, is low cost, and is easy to package.

[Means for Solving the Problems] A packaging box for an electric fan according to this invention includes an outer box in which a lid and a bottom are formed on the upper and lower surfaces of a body bent into a rectangular cylinder shape, and a lid and a bottom inside the outer box. A buffer middle frame located at the center, bent into a rectangular tube shape and having two side walls with an end face held against the inside of the body of the outer box when viewed from the opening direction; A lower cross-girder cushioning material is assembled to the parallel girder from the bottom side of the outer box and engages with the first slit formed at the lower part of both side walls, and an outer box is attached to the buffer middle frame in parallel with the lower cross-girder cushioning material. and an upper cross-girder cushioning material that is assembled to the parallel girder from the lid side and engages with the second slit formed in the upper part of both side walls, and is convex above the second slit on one side wall of the buffer middle frame. In addition, a hole is formed in the other side wall opposite to the above-mentioned side wall, into which the above-mentioned convex part is inserted during bending.

[Function] In this invention, the inner buffer frame and the outer box are in an integral relationship from the beginning, and one side wall of the inner buffer frame has a second slit projecting above, which fits with the lower cross-girder cushioning material. Furthermore, a hole is formed in the other side wall opposite to the above-mentioned side wall, into which the above-mentioned convex part is inserted when folded. For packaging, the buffer inner frame is bent into a rectangular tube shape, and a lower cross-section cushioning material is attached to this from the bottom side, an upper cross-section cushioning material is assembled from the lid side, and one side wall of the inner buffer frame is assembled. bending a notch having a convex portion formed above the first slit to be fitted with the lower girder cushioning material, and fitting the convex portion into a hole formed in another side wall opposite to the side wall; Accordingly, the main body, the guard, and the blades of the electric fan can be separated and restrained and held in the outer box with a small number of parts.
Further, since each component does not have an uneven shape, all folding operations are mountain folds, making the assembly work simple and easy, and the workability is improved.

[Example] Figures 1 to 5 all show a packaging box for an electric fan as an example of the present invention. The packaging box for the electric fan in this example is a rectangular outer box with a bottomed lid.
(JIS, A1 type box), a buffer middle frame 2 that defines a storage space for the electric fan inside this outer box 1, and this buffer middle frame 2.
It is mainly composed of an upper double-crossing cushioning material 3 and a lower double-crossing cushioning material 4, which are assembled to the double-crossings at the same time. The outer box 1 is formed by folding four flaps 6 into a rectangular cylindrical body 5 whose front, back and two end faces are formed by bending along the bending lines and connecting and joining the edges. It has a lid and a bottom.

The inner buffer frame 2 is formed from a rectangular sheet of paper having a width equal to the height of the body 5 of the outer box 1, and is bent into a rectangular tube shape. That is, as shown in FIG. 3, two buffer legs 7, which are parallel to the front and back sides of the outer box 1, are parallel to one end surface of the outer box 1, and are formed narrower than the end surface of the motor. They are formed on both sides of the holding side end 8 with bending lines 9 as boundaries. The width of the motor holding side end 8 is set so that the spacing between the buffer legs 7 matches the outer diameter in the lateral direction of the motor section B in the main body A of the electric fan. A support surface 10 inscribed in parallel to the end surface of the outer box 1 is formed at the edge of each buffer leg 7 opposite to the motor holding side end 8 . The support surface 10 is formed to have a width approximately half the width of the motor holding side end 8, and is bent inward along the bending ruled line 9 so that the end surfaces abut each other. A rectangular notch 11 with an open upper side is formed on the inside of the support surface 10 of each buffer leg 7. Each of the notches 11 has a width that allows the stand portion C of the main body A to be fitted thereinto, and a stand receptacle 12 of the same width is formed on the lower side of each notch 11 by bending inward along the ruled line 9. Further, an upwardly directed first slit 13 is formed in a portion of the end face of each buffer leg 7 that corresponds to the bottom of the outer box 1 and is closer to the motor holding side end 8.
Furthermore, on the end face side of one of the buffer legs 7 that contacts the lid of the outer box 1, a motor supporting piece 14 bent inward at a bending line 9 equal to the width of the motor holding side end 8 is located at a position where the rotating shaft protruding from the motor part B can be held. It is cut out and formed. This motor supporting piece 14
A protrusion 15 for fitting is formed at the end opposite to the bending ruled line 9, and a pullout to which the protrusion 15 can be fitted is formed on the opposite buffer leg 7 corresponding to the protrusion 15 when the protrusion 15 is bent. A hole 16 is formed. Further, a downwardly directed second slit 17 is provided in the inner portion of the notch 11 on the end face side of the buffer leg 7 that contacts the lid of the outer box 1. The distance between the second slit 17 and the first slit 13 is matched to the outer diameter of the disassembled guard D.

As shown in FIG. 5, the lower girder cushioning material 4 is formed of rigid paper or the like in a substantially convex shape, and the convex portion is bent almost horizontally at the horizontal bending line 9 to form a motor receiver 18 for receiving the motor part B. be done. Slits 19 that can engage with the first slit 13 are provided on both sides of the convex portion, and the first slits 13, 1
9, it is assembled from the bottom side of the outer box 1 to the lower side of the buffer middle frame 2 on the parallel grid. Both ends of the lower cross-shaped girder cushioning material 4 assembled on the cross-shaped girder are guard holding parts 2.
0, which protrude outside the buffer legs 7 toward the front and back of the outer box 1, respectively.

The upper case girder cushioning material 3 is attached to the outer box 1 as shown in
It is formed as a rectangular rigid paper with a width that supports between the front and back sides of the buffer frame 2, and has a slit 21 on the lower side that can be engaged with the second slit 17 of the buffer middle frame 2. A main body receiver 22 for receiving a part of the main body A is formed as a concave cut in the upper part that crosses between the legs 7. Then, by the engagement of the second slits 17 and 21, it is assembled from the lid side of the outer box 1 to the upper side of the buffer middle frame 2 in a grid. Both end portions of the upper double girder cushioning material 3 assembled to the parallel cross girders are in contact with the front and back surfaces of the outer box 1 outside the buffer legs 7 as guard holding portions 23, respectively.

The outer box 1, the inner buffer frame 2, the upper cross-shaped cushioning material 3, and the lower cross-shaped cushioning material 4 are individually constructed and combined as described above. The motor holding side end 8 and each supporting surface 10 of the buffer middle frame 2 are fixed to the inner center of the end surface of the outer box 1 by adhesive or other means and are integrated.

When packaging the electric fan, the outer box 1 is formed into a box body, and the inner cushioning frame 2 is bent to cover the inside of the outer box 1 with the square cylindrical inner buffer frame 2 when viewed from the opening direction of the lid. , a roughly I-shaped main body storage section 24 located in the center, and a roughly I-shaped disassembled parts storage section 25 for storing the blades and guard D located on both sides of this main body storage section 24. A main body A consisting of a stand part C and a motor part B is stored in a main body storage part 24, and a blade and front and rear guards D are stored in disassembled parts storage parts 25, respectively. Guard D
The outer diameter of the motor part B is held by the respective guard holding parts 20 and 23, and the motor part B is held by the motor receiver 18 on the lower side and restrained by the motor supporting piece 14 on the upper side. Furthermore, the stand part C has a notch 11 and a stand holder 1.
2, and the stand portion side of the main body A is fitted and held in the main body receiver 22 on the lower side. Since the inner buffer frame 2, the upper I-girder cushioning material 3, and the lower I-girder cushioning material 4 are all formed by mountain folding along the bending lines 9, assembly during packaging work is simple and easy, and the workability is extremely high. good.

[Effects of the invention] As described above, the electric fan packaging box according to the invention includes an outer box in which a lid and a bottom are formed on the upper and lower surfaces of the body bent into a rectangular cylinder shape, and an opening of the lid that extends inside the outer box. When viewed from the direction, a buffer middle frame is located at the center and is bent into a rectangular tube shape and has two side walls with its end face held against the inside of the body of the outer box, and the outer box is attached to the buffer middle frame. A lower cross-girder cushioning material is assembled to the parallel girder from the bottom side and engages with a first slit formed at the lower part of both side walls, and a lid of the outer box is attached to the buffer middle frame in parallel with the lower cross-girder cushioning material. and an upper double-crosser cushioning material that is assembled from the side to the parallel crossers and engages with second slits formed in the upper portions of both side walls, and a convex portion is provided above the second slit on one side wall of the buffer middle frame. In addition, a hole is formed in the other side wall opposite to the above-mentioned side wall into which the above-mentioned convex part fits when folded. The lower cross-girder cushioning material is assembled from the bottom side, and the upper cross-girder cushioning material is assembled in a cross-shaped form from the lid side, and is further formed above the first slit that fits with the lower cross-girder cushioning material on one side wall of the buffer middle frame. By bending a notch having a convex portion and fitting the convex portion into a hole formed in another side wall opposite to the side wall, the main body, guard, and blade of the electric fan can be assembled with a small number of parts. It can be divided and stably held in the outer box. And since the bending operations for each component are all unified by mountain folds,
Assembly work becomes simple and easy, and workability is improved.

[Brief explanation of the drawing]

FIG. 1 is a plan view showing the packaging state of an electric fan packaging box as an embodiment of the present invention with the lid open;
The figure is also a vertical cross-sectional view of Figure 1, Figure 3 is a developed view showing the buffer middle frame, Figure 4 is a plan view showing the upper double-crossing cushioning material, and Figure 5 is a plan view showing the lower double-crossing cushioning material. 6 are exploded perspective views showing a conventional example. In the figure, 1 is the outer box, 2 is the buffer inner frame, 3 is the upper case cushioning material, 4 is the lower case column cushioning material, 5 is the body, 9
11 is a notch, 12 is a stand holder, 13, 17, 19, and 21 are slits, 18 is a motor holder, 20 and 23 are guard holding parts, 24 is a main body storage part, and 25 is a disassembled parts storage part. be. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims (1)

[Scope of utility model registration request] An outer box has a lid and a bottom formed on the upper and lower surfaces of a body bent into a rectangular cylindrical shape, and an outer box which is bent into a rectangular cylindrical shape and located at the center when viewed from the opening direction of the lid. , a buffer middle frame having an end face held against the inside of the body of the outer box and having two side walls; and a buffer frame assembled to the buffer middle frame from the bottom side of the outer box with a parallel girder, and formed at the lower part of both side walls. A lower cross-shaped girder cushioning material engages with the first slit, and a lower cross-shaped girder cushioning material is attached to the buffer inner frame from the lid side of the outer box in parallel to this lower cross-shaped girder cushioning material, and is assembled to the cross-shaped girder from the lid side of the outer box, and is formed on the upper part of both side walls. a notch having a convex portion above the second slit on one side wall of the buffer middle frame, and a notch having a convex portion on the other side wall opposite to the side wall. A packaging box for an electric fan, characterized in that a hole is formed into which the convex portion fits during bending.