JP3496538B2 - Packaging 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 packaging device for articles such as electric appliances, and more particularly, an impeller is mounted on a rotating shaft of a motor, and a plurality of mounting feet project from the outer periphery of the motor so as to surround the impeller. The present invention relates to a packaging device suitable for a ventilation fan.

[0002]

2. Description of the Related Art Like a ventilation fan, there is an impeller as a projecting part with low strength in the front part, and one end side of the motor projects as a projecting part with high strength in the rear part, and a plurality of arm-shaped parts are formed from the outer periphery of the middle part of the motor. Articles with extended mounting legs have been disclosed in, for example, Japanese Utility Model Publication No. 62-1113 and Japanese Patent Laid-Open No. 3-113.
It has been packaged by a packaging device as disclosed in Japanese Patent Publication No. 98875. That is, as shown in FIG. 13, a square frame holder 42 is mounted on the side of the square frame 40 configured to surround the impeller of the ventilation fan facing the impeller 41, and the motor holder 44 is provided on the protruding side of the motor 43. Is installed, the ventilation fan has a square frame holder 42 and a motor holder 44.
It is sandwiched between and and these three are collectively stored in an outer box 45 made of corrugated cardboard. Square frame holder 42
Is a styrene corner holder 4 which has a quadrangular frame body made of corrugated cardboard with each side having an angled cross section and holds the corner portions 46 of the square frame 40 at the four corners of the frame.
7 is fixed.

The motor holder 44 has a structure in which a trapezoidal protrusion 48 is bent and formed in the center of the plate surface on one side of a double-folded corrugated cardboard, and a part of the protrusion 48 is opened so that the motor 43 is formed. Motor housing 4 to fit the protruding side of
Configured as 9.

[0004]

In the conventional ventilation fan packaging apparatus as described above, the corner frame 40 of this type of ventilation fan is used.
Since the portion is particularly vulnerable to impact and is easily damaged, the corner frame 40 is buffer-protected by using a styrene corner holder 47 or the like alone or fixed to a corrugated cardboard. Therefore, it is difficult to dispose of the material when disposing of it, which makes it difficult to dispose of and to recycle the material. Among the ventilation fans as articles to be packaged, there is a ventilation fan having a configuration lacking the square frame 40 in the above-mentioned configuration,
The packaging is performed by a similar packaging device.

In a ventilation fan having no rectangular frame, a plurality of mounting legs extend outward from the outer periphery of the middle portion of the motor and bend at the middle to form a mounting portion which is a free end as it is. The free ends of the plurality of mounting feet are arranged so as to surround the impeller. In the article having such a configuration, since the mounting feet are cantilevered, if a compressive load is applied to the outer case, the mounting feet may bend and the impeller may hit the impeller having a low strength to damage the impeller. In such a case, the corner holder functions to protect the corner frame, but does not function to prevent bending of the mounting foot that is not connected to the corner frame.

The present invention is intended to solve the above-mentioned conventional problems from the viewpoint of effective use of resources.
The problem is that a projecting part with low strength projects in the front part and a projecting part with high strength projects in the rear part, which extends outward from the outer periphery of the middle part of this high-strength projecting part and is free to bend in the middle. Regarding a packaging device for an article having a plurality of arms whose end sides extend outside the protruding portion having low strength, the packaging material is reduced as much as possible without impairing the cushioning protection function, and the disposal property and the recyclability are improved. Is to promote assembly, improve assembly, and reduce costs.

[0007]

In order to achieve the above object, the invention of claim 1 is characterized in that a projecting portion having low strength projects from a front portion and a projecting portion having high strength projects from a rear portion, and a projecting portion having high strength is formed. An article such as a ventilation fan having a plurality of arms whose outer end extends outward from the outer periphery, bends in the middle, and whose free end extends outward of the low-strength projecting portion has a high-strength projecting portion on the bottom side. And a first cushioning member made of corrugated cardboard which holds the article in the cardboard box in a state where the projecting portion having high strength and a plurality of arms are fitted to each other, and A second cushioning member made of corrugated cardboard paper surrounding the outer periphery of the projecting portion having low strength is provided, and the first cushioning member has a hollow structure that can be fitted on the bottom surface of the corrugated cardboard box, fitting a high overhang strength substantially in the center To the bending portion of the fitting portion and the base portion side of the plurality of arms to form a vent hole having a fitting portion fitted to the second buffer member, the supporting surface and the cardboard box of the first cushioning member The end surface contacts the inner surface of the lid, and the protruding portion with low strength and the free end sides of the arms are separated from each other, and a space is provided between the protruding portion with low strength and the inner surface of the lid of the cardboard box. Means for forming the structure are adopted.

In order to achieve the above object, the invention of claim 2 is the cardboard box in the means according to claim 1.
Is attached to the free end of each arm of the article to hold the arm.
A means for providing a cushioning member made of a laminated paper material is adopted.

[0009]

[0010]

[0011]

[0012]

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings. Embodiment 1. In the packaging device according to the first embodiment shown in FIGS. 1 to 5, a projecting portion having a low strength projects from a front portion and a projecting portion having a high strength projects from a rear portion, and an outer periphery of an intermediate portion of the projecting portion having high strength is provided. The present invention is used for packaging an article provided with a plurality of arms that extend outward and bend in the middle and have free ends extending outward of the projecting portion having low strength. An example of such an article is a ventilation fan 1 as shown in FIG. 1. In this embodiment, the article refers to the ventilation fan 1. An impeller 2 is attached to a rotary shaft end of a motor 3 as a protruding portion having low strength in the front part of the ventilation fan 1.
The rear portion of the ventilation fan 1 has one end side of the motor 3 protruding as a protruding portion having high strength. Four arm-shaped mounting legs 4 radially extend from the outer periphery of the middle portion of the motor 3. Each of the four mounting legs 4 is made of a band-shaped material and is bent in the middle so that the free end side of each of them extends outward of the impeller 2, and the free ends are flanges 5 as mounting parts in front of the impeller 2.
Is formed. The flange 5 of each mounting leg 4 is provided with a screw insertion hole 6 through which a mounting screw is inserted. This type of ventilation fan 1 contacts the impeller 2 when the mounting foot 4 bends inward, and the impeller 2 is easily damaged.

This packaging apparatus is provided with the ventilation fan 1 having the above-mentioned structure.
The motor 3 has a hexahedron cardboard box 7 with a bottom and a lid having a size such that one end on the side opposite to the rotation axis of the motor 3 is accommodated with a gap between the bottom side and the bottom side, and the ventilation fan 1 is connected to a portion on the side opposite to the rotation axis of the motor 3. A first cushioning member 8 made of corrugated cardboard which is held in the corrugated cardboard box 7 in a state where the base side of the book mounting leg 4 is fitted, and a second cushioning member made of corrugated cardboard paper surrounding the outer periphery of the impeller 2 of the ventilation fan 1. And the buffer member 9 of FIG. The first cushioning member 8 has a hollow structure that can be fitted on the bottom surface of the corrugated cardboard box 7, and the rear side of the motor 3 and the base side of the four mounting legs 4 (the motor side) are formed substantially at the center of the support surface 10 on the upper surface thereof. A through hole 11 is formed to fit with (the coupling side with 3). As shown in FIG. 2, the expanded first cushioning member 8 has a surface 12 between a surface 12 and a support surface 10 and a surface 13 which is a bottom surface, which are substantially equal to the plane area of the inner bottom surface of the cardboard box 7. It is a rectangular flat plate which is connected to both end edges of 13 with a standing surface 14 via bending creases 15. Each bending crease 15 is folded and the standing surfaces 14 at both ends are overlapped with an adhesive or stitching wire. By fixing, it can be assembled to the first shock absorbing member 8 having a rectangular tube shape as shown in FIG.

The hole 11 has a rectangular motor fitting portion 16 for fitting the motor 3 provided at the center of the support surface 10,
The motor-fitting portion 16 is composed of slit-shaped mounting foot fitting portions 17 extending radially from the four corners. As shown in FIG. 5, the second cushioning member 9 is formed by bending a piece of corrugated paper into a cylinder or a square tube so that the direction of eyes of the corrugate is in the center line direction. The support surface 10 of 8 and the inner surface of the lid of the corrugated cardboard box 7 come into contact with the end surface and are interposed between the impeller 2 and the mounting foot 4.

In packaging, first, the anti-rotation shaft side of the motor 3 of the ventilation fan 1 is aligned with the motor fitting portion 16 of the hole 11 of the support surface 10 of the first buffer member 8, and the four mounting feet 4 are attached.
The motor 3 and the mounting foot 4 are fitted into the through hole 11 with the base side of each of the above-mentioned parts corresponding to the mounting foot fitting part 17. Motor 3
The end on the side opposite to the rotation axis of the first cushioning member 8 contacts the bottom surface of the first cushioning member 8, and the base of each mounting foot 4 up to the bent portion fits in the hollow portion 18 of the first cushioning member 8. By fitting the mounting foot 4 into the mounting foot fitting portion 17, the ventilation fan 1 is fixed in a stable state in which it is prevented from rotating. The entire assembly of the ventilation fan 1 and the first cushioning member 8 is housed in the bottom side of the corrugated cardboard box 7 with the bottom surface of the first cushioning member 8 facing down. After that, the second cushioning member 9 is placed on the support surface 10 of the first cushioning member 8 so as to surround the outside of the impeller 2, the lid of the cardboard box 7 is closed, and the packaging form is completed by sealing. Become. In the packaged state, the entire periphery except the end on the side opposite to the rotation axis is away from the inner surface of the cardboard box 7, and a good air cushioning effect can be obtained. The impeller 2 is cushioned and protected by a second cushioning member 9 against a load from above, and is also cushioned and protected by an inward bending of the mounting foot 4 by the second cushioning member 9.

As described above, the packaging work including the assembling of the first cushioning member 8 by this packaging apparatus is extremely easy,
It can be performed manually or mechanically, the packaging material can be reduced as much as possible without impairing the cushioning protection function, and because it is composed only of corrugated cardboard, it is also more disposable and recyclable. Since the second cushioning member 9 has the eyes oriented in the vertical direction, it has an excellent cushioning protection function against a compressive load.

The first buffer member 8 may be formed in a box shape in which both ends of a rectangular sleeve are closed by bending the lid flaps. Further, when the number of the mounting feet 4 is two or three, the mounting foot fitting portion 17 of the hole 11 is also formed correspondingly.

Embodiment 2. The packaging apparatus according to the second embodiment shown in FIGS. 6, 7 and 8 is also the packaging apparatus for articles shown in the first embodiment, and the basic configuration is the same as that shown in the first embodiment. Therefore, the same parts as those in the first embodiment are designated by the same reference numerals as those in the first embodiment, and the description thereof will be omitted.

In this packaging device, a plurality of ventilation fans 1 are packaged in one cardboard box 7 in multiple stages.
That is, the corrugated board box 7 having a deeper depth than the corrugated board box 7 of the first embodiment is divided into, for example, the upper and lower parts by a partition member 19 configured in a gate shape, and the first corrugated board shown in the first embodiment is shown. Two sets of the cushioning member 8 and the second cushioning member 9 are used to package the two ventilation fans 1 on the lower stage and the upper stage of the partition member 19 in a stacked state.

As shown in FIG. 7, the partition member 19 has a construction in which a partition surface 21 is formed between the two rising surfaces 20 that abut the opposing inner surfaces of the corrugated board box 7 through the bent ruled lines 15, and the corrugated board is formed. The direction of the grain of the paper is set to the standing direction of the rising surface 20 as shown by the arrow in FIG. The first cushioning member 8 is mounted between the rising surfaces 20 of the first embodiment.
The width dimension is slightly smaller than that of As for the lower stage, the partition surface 21 of the partition member 19 and the support surface 1 of the first buffer member 8
The second cushioning member 9 is interposed between 0 and 0, and for the upper stage, the support surface 10 of the first cushioning member 8 and the partition member 19 for the upper stage.
The second cushioning member 9 is interposed between the rear surfaces of the partition surface 21. It should be noted that by providing a partition member 19 for each, it is possible to handle the packaging of the ventilation fan 1 having a large mass, but in the ventilation fan 1 having a not so large mass, the partition member 19 at the uppermost stage can be omitted. The partition member 19 is
Since the eye direction is vertical with respect to the rising surface 20, it is strong against a compressive load, and moreover, the rising surface 20 is sandwiched between the inner surface of the cardboard box 7 and the standing surface 14 of the first cushioning member 8. The ventilation fan 1 can be straddled in a stable gate-shaped form. By adopting such a collective packaging mode, reduction of the packaging volume and reduction of packaging material can be promoted. Other configurations and functions are the same as those of the first embodiment.

As for the ventilation fan 1 having the vane guard for covering the front surface of the impeller 2, the vane guard separately packed in another cardboard box 22 is superposed on the partition surface 21 of the partition member 19, as shown in FIG. And package in the cardboard box 7.

Embodiment 3. The packaging apparatus of the third embodiment shown in FIG. 9 is also the article packaging apparatus shown in the first embodiment, and the basic configuration is the same as that shown in the first embodiment. Therefore, the same parts as those of the first embodiment are
The same reference numerals as those in the first embodiment are used, and the description thereof is omitted.

This packaging apparatus is obtained by implementing the packaging apparatus shown in the first embodiment with a strengthening measure against a compressive load and a protective function of the impeller 2, and the cardboard of the one shown in the first embodiment. The third cushioning member 23 is provided between the inner surface of the lid of the box 7 and the second cushioning member 9. Third
In the cushioning member 23, a cushioning body 25 made of a laminated material of corrugated cardboard with which the flanges 5 at the free ends of the mounting legs 4 are respectively affixed to a corrugated board sheet 24 having a plane area substantially the same as that of the lid of the corrugated board box 7 It is a composition. Further, a cushioning member 26 made of a laminated material of corrugated cardboard is also interposed between the bottom surface of the first cushioning member 8 and the base of the mounting foot 4.

By adopting such a structure, even if a considerably strong compressive load is applied, the shock absorber 25 can bear the load and the shock absorber 26 can support the load. It is possible to prevent breakage of item 2. Moreover, since the mounting foot 4 is also in the restrained state, it is possible to prevent the mounting foot 4 from being deformed or bent by an external force. Other configurations and functions are the same as those of the first embodiment.

Fourth Embodiment The packaging apparatus according to the fourth embodiment shown in FIGS. 10, 11 and 12 is also the packaging apparatus for the article shown in the first embodiment, and the configuration of the article is the same as that shown in the first embodiment. Therefore, the same reference numerals as those in the first embodiment are used for the parts related to the articles, and the description thereof will be omitted.

This packaging device is composed of a cardboard box 7 capable of accommodating the periphery of the ventilation fan 1 excluding the end on the side opposite to the rotation shaft of the motor 3 and a fixing member 27 for fixing the ventilation fan 1 in the cardboard box 7. It's simple. Fixed member 2
7 is a plywood as a fixing projection for detachably fixing the flange 5 of each mounting leg 4 of the ventilation fan 1 to one surface of a rectangular corrugated cardboard sheet 28 that abuts the inner surface of the lid or bottom of the corrugated board box 7 with screws 29. This is a configuration including a piece 30. The flange 5 of each mounting leg 4 is fastened and fixed to each piece 30 with a screw 29 to integrally fix the fixing member 27 and the ventilation fan 1,
It is a packaging device that is housed in the cardboard box 7.

The piece 30 may be made of wood, which is called a main piece, but since it may be easily cracked when dried, the screw 29 may have a poor handedness, so plywood such as a particle board which does not crack and has a good handedness of the screw 29. Is suitable. This packaging apparatus has a simple structure including only the corrugated board box 7 and the fixing member 27. However, with the ventilation fan 1 firmly fixed to a predetermined location of the corrugated board sheet 28, an air cushioning portion is provided around the corrugated board box 7. Since it is held and packaged, the buffer protection function is good and the packaging cost is reduced.

Including the first, second, and third embodiments, the care mark 31 and the like as shown in FIG. 12 indicate that the motor 3 of the ventilation fan 1 is on the bottom side of the cardboard box 7 and the impeller 2 is on the lid side. By displaying the state on the outer surface of the cardboard box, it is possible to cope with the compressive load in the lower part of the packaging device having an excellent air cushioning function in storage, cargo handling, drop test and the like.

[0030]

As described above in the embodiments, according to the invention of claim 1, the projecting portion having low strength projects from the front portion, and the projecting portion having high strength projects from the rear portion, and the projecting portion having high strength. The article having a plurality of arms extending outward from the outer periphery of the intermediate portion, bending at the middle, and having the free end extending outward of the low-strength protruding portion can be buffer-protected with a small amount of packaging material. Also, the disposability, recyclability, and assemblability are improved.

According to the invention of claim 2, engaging in claim 1
In addition to the above effect, a cushioning protection function against a compressive load is improved.

[0032]

[0033]

[0034]

[0035]

[Brief description of drawings]

FIG. 1 is a sectional view of a packaging device according to a first embodiment.

FIG. 2 is a development view of a first cushioning member of the packaging device according to the first embodiment.

FIG. 3 is a perspective view of a first cushioning member of the packaging device according to the first embodiment.

FIG. 4 is an end view of a second cushioning member of the packaging device according to the first embodiment.

FIG. 5 is a side view of a second cushioning member of the packaging device according to the first embodiment.

FIG. 6 is a cross-sectional view of the packaging device according to the second embodiment.

FIG. 7 is a development view of a partition member of the packaging device according to the second embodiment.

FIG. 8 is a perspective view showing another packaging device according to the second embodiment, excluding a partition member.

FIG. 9 is a cross-sectional view of the packaging device according to the third embodiment.

FIG. 10 is a sectional view of a packaging device according to a fourth embodiment.

FIG. 11 is a perspective view of a fixing member of the packaging device according to the fourth embodiment.

FIG. 12 is a front view showing a display of the packaging device according to the fourth embodiment.

FIG. 13 is an exploded perspective view of a conventional ventilation fan packaging device.

[Explanation of symbols]

1 ventilation fan, 2 impeller, 3 motor, 4 mounting feet, 5 flange, 7 cardboard box, 8 1st
Cushioning member, 9 second cushioning member, 10 support surface,
11 hole, 16 motor fitting part, 17 mounting foot fitting part, 19 partition member, 21 partition surface, 23
Third buffer member, 25 buffer member, 27 fixing member,
29 screws, 30 pieces, 31 bear marks.

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-3-98875 (JP, A) Actually opened 59-159583 (JP, U) Actually opened 61-134961 (JP, U) Actually opened 57- 117317 (JP, U) S. 57-30308 (JP, Y2) (58) Fields investigated (Int.Cl. ⁷ , DB name) B65D 85/68

Claims (2)

(57) [Claims] 1. A low-strength projecting portion projects from the front part, and a high-strength projecting part projects from the rear part, extends outward from the outer periphery of the middle part of the high-strength projecting part, bends in the middle, and has a free end side. A cardboard box for accommodating an article having a plurality of arms extending to the outside of the low-strength protruding portion with a gap around the high-strength protruding portion on the bottom side, and the high-strength protruding portion of the article. A first cushioning member made of corrugated cardboard which holds the portion and the plurality of arms in the corrugated cardboard box, and a corrugated cardboard paper surrounding the outer periphery of the low-strength projecting portion of the article. The first cushioning member has a hollow structure that can be fitted on the bottom surface of the corrugated cardboard box, and the high-strength protruding portion is fitted substantially in the center of the support surface on the upper surface of the first cushioning member. Fitting part and base of the plurality of arms Fitting portion fitting the to the bending portion of the side
And a second shock absorbing member,
Of the buffer member and the inner surface of the lid of the corrugated cardboard end face, separating the projecting portion having low strength and the free end side of the plurality of arms from each other, the strength is low. A packaging device configured to form a space between a protruding portion and an inner surface of the lid of the cardboard box. 2. The packaging device according to claim 1, wherein
Hold each arm against the free end of each arm of the article in the carton
A packaging device provided with a cushioning member made of a laminate of corrugated cardboard .