JP2007055624A - Buffering member - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a buffering member which securely positions a lighting fixture or the like at the inner periphery and outer periphery of the fixture to protect it from an external force. <P>SOLUTION: The buffering member includes a bottom wall 21 which is a polygonal shape in a plane view, outside walls which remain erected on the outer peripheral edge of the bottom wall 21, and an inside wall which is composed of two or more cut-and-raised pieces 39A, 39B that have continuous portions 40A, 40B continuous with the bottom wall 21 and folding portions 41A, 41B connected to the continuous portions 40A, 40B, respectively. The folding portions 41A of the cut-and-raised piece 39A are folded to superpose at least a part of the folding portions 41A on the cut-and-raised piece 39B adjacent to the cut-and-raised piece 39A. The cut-and-raised pieces 39A, 39B are then connected together with connecting means formed on the superposed parts to construct an annular structure formed of the outside wall and the inside wall. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a shock-absorbing member that protects an external force from a state in which an inner peripheral portion and an outer peripheral portion of a product are held.

  Conventionally, among products such as lighting fixtures using a ring-type fluorescent lamp, those that are suspended from the ceiling and exposed from below, the inner periphery of the fluorescent lamp is used to protect the lighting fixture body. It is accommodated in the outer box while being positioned and held.

  Prior art document information relating to the cushioning member of the present invention that positions and holds such products and protects them from external forces includes the following.

Japanese Utility Model Publication No. 63-141131

  Patent Document 1 describes a configuration in which a first buffer member that holds a small-diameter fluorescent lamp and a second buffer member that holds a large-diameter fluorescent lamp are housed in an outer box. The first buffer member has a flat plate shape, and a tongue piece for holding a small-diameter fluorescent lamp is cut and raised at a predetermined position. The second buffer member has an octagonal cylindrical shape, and a positioning portion for positioning between the two is provided on the wall facing the side wall of the outer box having a square shape in plan view.

  However, the buffer member can position only the luminaire main body to which the fluorescent lamp is attached, and the shade can be protected only by the outer box. Therefore, it is conceivable that the second buffer member is formed to be large so that the shade is accommodated therein for protection. However, since the number of parts is large, a large storage space is required and there is a problem that the cost is increased. .

  This invention is made in view of the conventional problem, and makes it a subject to provide the buffer member which can position goods reliably, such as a lighting fixture, with an inner peripheral part and an outer peripheral part, and can protect from external force. is there.

  In order to solve the above-described problem, a shock-absorbing member according to the present invention includes a bottom wall having a polygonal shape in plan view, an outer wall erected from an outer peripheral edge of the bottom wall, a continuous portion continuous with the bottom wall, and the continuous An inner wall made of two or more cut and raised pieces having a bent portion provided continuously with the portion, and the bent portion of one of the cut and raised pieces is bent so that at least a part is superimposed on the adjacent cut and raised piece, By connecting each cut-and-raised piece by a connecting means provided in the overlapping portion, the outer wall and the inner wall form an annular shape.

  In this buffer member, the connecting means includes a latching piece having a cut-and-raised structure provided to be positioned at the lower end in the assembled state at the bent portion of one inner wall, and an engagement provided on the overlapping portion of the other inner wall. It is preferable to consist of a stop groove.

  In the cushioning member of the present invention, the outer peripheral part of the product is positioned and held by the outer wall provided on the bottom wall, and the inner peripheral part of the product is provided by the inner wall formed by assembling two or more cut and raised pieces provided on the bottom wall. The product can be protected from external force while being positioned and held. And since this buffer member consists of one sheet of blanks, a number of parts can be reduced and cost reduction can be aimed at. In addition, since the outer peripheral wall has a polygonal cylindrical shape, it is possible to improve the pressure resistance in a state of being accommodated in the outer box. As a result, the corrugated paper forming the outer box can be relatively soft and inexpensive, and the total cost can be greatly reduced.

  Further, since the connecting means includes a locking piece having a cut-and-raised structure and a locking groove provided in the overlapping portion of the other inner wall, each cutting and raising piece can be easily and quickly connected to form the inner wall. . In addition, since the locking pieces and the locking grooves are provided so as to be positioned at the lower end in the assembled state, it is possible to prevent problems such as interference between them when the product is accommodated.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 shows a packaging box to which a buffer member 20 according to an embodiment of the present invention is applied. This packaging box accommodates the luminaire 1 used by being suspended from the ceiling, and includes an outer box 10 and a buffer member 20 of the present invention housed inside the outer box 10.

  First, the lighting fixture 1 which is a product is a lighting fixture main body 2 with a conical cylindrical cap 3 attached thereto. The luminaire main body 2 is provided with a cord 5 provided with a connector 4 for hanging from the ceiling and electrically connecting. A small-diameter fluorescent lamp 6A and a large-diameter fluorescent lamp 6B are attached.

  The outer box 10 is formed by punching corrugated paper as a continuous blank, and includes a top wall 11 and a bottom wall 12 that form a square shape in plan view, and side walls 13A and 13B that are continuous with these. Yes. An inner flap 14 is connected to both ends of each side wall 13A, 13B, and an outer flap 15 is connected to both ends of the top wall 11 and the bottom wall 12.

  The shock-absorbing member 20 of the present invention has an octagonal shape in plan view, and is formed by punching corrugated paper as a single continuous blank. Specifically, as shown in FIG. 5A, this blank has a square shape that can greatly reduce waste such as punching waste when mass-produced by a known paper device punching apparatus.

  The blank of the buffer member 20 includes an octagonal bottom wall 21 at the center thereof. The bottom wall 21 is provided with a first side wall portion 22 connected to the outer peripheral edge located in the vertical and horizontal directions in FIG. 5A, and a folding line formed with a ruled line so as to compress the wall thickness at the boundary portion. 23 is provided. The first side wall portion 22 is provided with a fold line 24 extending in parallel with the fold line 23 and a cutting line 25 extending in a substantially J shape from both ends of the fold line 24 so that the cord 5 can be inserted therebetween. An insertion groove 26 having a cut-and-raised structure is formed. Moreover, the winding piece 27 bent on the folding line 23 between the 2nd side wall part 30 and the bottom wall 21 is continuously provided in the both-sides edge of this 1st side wall part 22, and the folding line 28 is formed in the boundary part. Is provided. The winding piece 27 includes a cutting line 29a extending on the same straight line from the end of the folding line 23, a cutting line 29b extending outwardly from the tip of the cutting line 29a, and a tip of the cutting line 29b. A cutting line 29c provided so as to extend vertically upward in the assembled state is separated from a second side wall portion 30 described later and is formed to have a substantially inverted L shape.

  In addition, a second side wall portion 30 is continuously provided on the bottom wall 21 so as to be adjacent to each first side wall portion 22 on the outer peripheral edge of the upper side and the lower side of the both sides, and a folding line 31 is formed at the boundary portion. Is provided. The second side wall portion 30 has a shape in which the lower portion is cut into a V shape in an assembled state by the cutting lines 29a to 29c partitioning from the winding piece 27, and the design aesthetics are improved. The compression strength is improved by making line contact with the upper and lower lines 27. A first grip hole 32 having an elliptical shape is provided in the approximate center of the second side wall portion 30. Further, in the second side wall portion 30, a narrow frame portion 33 is continuously provided at the tip located on the upper side in the assembled state, and a folding wall portion 34 is provided at the tip of the frame portion 33, A folding line 35 is provided at each boundary portion. The folded wall portion 34 is configured such that the entire blank has a square shape by making the tip located on the lower side in an assembled state a tapered shape that intersects at 90 ° C. Further, a locking convex piece 36 is provided at the tip of the folding wall portion 34, and the locking convex piece 36 is inserted into a rectangular locking hole 37 provided in the vicinity of the folding line 31 in the bottom wall 21. It is configured to be able to stop. Further, the folded wall portion 34 is provided with a second gripping hole 38 having an elliptical shape at a position corresponding to the first gripping hole 32 in the assembled state.

  In the buffer member 20 of the present embodiment, the bottom wall 21 is provided with an inner wall made up of a pair of cut and raised pieces 39A and 39B. Each of the cut and raised pieces 39A and 39B includes continuous portions 40A and 40B that are continuous with the bottom wall 21, and a pair of bent portions 41A and 41B that are continuous on both sides of the continuous portions 40A and 40B. And these bending parts 41A, 41A, 41B, 41B are formed in the dimension which the front-end | tips overlap in the state bent so that it may be bent with respect to each continuous part 40A, 40B. As a means, the difference is that a locking piece 42 having a cut-and-raised structure is provided in one bent portion 41A, and a locking groove 43 for locking the locking piece 42 is provided in the other bent portion 41B.

  Specifically, the cut and raised pieces 39A and 39B are first fold lines 44A and 44B extending in parallel with the fold line 31, and the first fold lines 44A and 44B are bent from the first fold lines 44A and 44B and extend in parallel at positions slightly apart. 1 cutting line 45A, 45B, 2nd cutting line 46A, 46B extended from the edge part of this 1st cutting line 45A, 45B toward the folding line 31, and the edge part of this 2nd cutting line 46A, 46B The third cutting lines 47A and 47B extending in parallel with the fold line 23, the fourth cutting lines 48A and 48B extending in parallel with the fold line 31 from the ends of the third cutting lines 47A and 47B, and the fourth cutting line Fifth cutting lines 49A and 49B extending obliquely from the end portions of 48A and 48B toward the folding line 31, and sixth cutting lines 50A and 50B that continue between the end portions of the fifth cutting lines 49A and 49B. I have. Then, at both ends of the first folding lines 44A and 44B, in order to partition the continuous part 40A and the bent parts 41A and 41A and the continuous part 40B and the bent parts 41B and 41B, in the orthogonal direction toward the folding line 31 Extending second folding lines 51A and 51B are provided. In addition, concave notches 52A and 52B are provided so as to be located at the centers of the tips of the continuous portions 40A and 40B. Among them, as shown in FIG. 5B, the first cut and raised piece 39A has a pair of seventh cut lines 53 starting from the first cut lines 45A and 45A and approaching each other toward the bent portion 41A. The folding line 54 is provided between the distal ends of the seventh cutting lines 53, and the locking piece 42 is formed therebetween. Further, as shown in FIG. 5C, a part of the first cutting lines 45B and 45B of the second cut and raised piece 39B is an uncut portion, and a pair of eighth cutting lines 55 are formed from both ends. The bent portion 41B is provided so as to incline and extend so as to be close to each other, and a ninth cutting line 56 is provided between the tips of the eighth cutting lines 55, and the locking groove 43 is provided therebetween. Is formed.

  When assembling the buffer member 20 configured as described above, for example, as shown in FIG. 2, first, the first side wall portion 22 is bent with respect to the bottom wall 21 along the folding line 23, and each first side wall is also bent. The winding pieces 27 and 27 are bent with respect to the portion 22 and positioned on the folding line 31. Next, the second side wall portion 30 is bent along the folding line 31 and superimposed on the outside of the winding piece 27, and then the frame portion 33 and the folded wall portion 34 are moved along the folding line 35 as shown in FIG. Bending is performed, and the locking convex piece 36 at the tip is inserted and locked into the locking hole 37 of the bottom wall 21. Accordingly, an outer wall having an octagonal cylindrical shape that circumscribes the shade 3 of the lighting fixture 1 is erected on the outer peripheral edge of the bottom wall 21 having an octagonal shape in plan view.

  Next, as shown in the drawing, the cut and raised pieces 39A and 39B are bent along the first fold lines 44A and 44B with respect to the bottom wall 21, and then cut and raised along the second fold lines 51A and 51B. The bent portions 41A and 41B are bent with respect to the continuous portions 40A and 40B. At this time, the bent portions 41A and 41A of the first cut and raised piece 39A are superimposed on the outside of the bent portions 41B and 41B of the adjacent second cut and raised piece 39B. Then, the locking pieces 42, 42 formed on the bent portions 41A, 41A are bent inwardly by being pressed inward, and inserted into the locking grooves 43, 43 of the bent portions 41B, 41B located inside. Let Thereby, the inner wall which makes | forms the square cylinder shape inscribed in 6A of small diameter fluorescent lamps of the lighting fixture 1 is standingly arranged in the center of the bottom wall 21 which makes a planar view octagonal shape. Thus, since the connecting means of this embodiment is constituted by the locking piece 42 and the locking groove 43 having a cut-and-raised structure, the cut-and-raised pieces 39A and 39B can be connected easily and quickly to the inner wall. Can be formed.

  And when the lighting fixture 1 which is goods is accommodated in the outer case 10 using this buffer member 20, the lighting fixture 1 is accommodated with respect to the buffer member 20 from the upper side, as shown in FIG. As a result, the outer peripheral portion of the shade 3 is positioned and held by the outer wall made of the first and second side wall portions 22 and 30, and the inner peripheral portion of the fluorescent lamp 6A is positioned by the inner side wall made of the cut and raised pieces 39A and 39B. Retained. Moreover, the lower end outer peripheral part (not shown) of the lighting fixture main body 2 is positioned and held by the notches 52A and 52B of the cut and raised pieces 39A and 39B. At this time, since the locking piece 42 and the locking groove 43 constituting the connecting means of the present embodiment are provided so as to be positioned at the lower end in the assembled state, there arises a problem that these interfere with each other when the product is accommodated. Can be prevented.

  When the lighting fixture 1 is housed in this way, the insertion groove 26 of the predetermined first side wall portion 22 is then bent, and the connector 4 at the tip of the cord 5 is positioned outside through the insertion groove 26. Thereafter, the buffer member 20 is inserted into the outer box 10 from the predetermined second side wall 30 side, the inner flap 14 is bent, the outer flap 15 is bent, and sealed by a known fixing means such as an adhesive tape. .

  In this accommodated state, since the cushioning member 20 having an octagonal shape in plan view is accommodated in the outer box 10 having a square shape in plan view, its four corners, specifically, the first side wall portion 22 and the outer case of the cushioning member 20 are accommodated. An accommodation space is formed between the two. Therefore, other accessories can be accommodated as well as the connector 4 advanced to the outside of the buffer member 20. Further, since the outer wall of the buffer member 20 has an octagonal cylindrical shape, there are many contact portions with the outer peripheral portion of the circular shade 3 so that it can be housed in a stable state and a reliable buffer action can be obtained. As a result, the stored product can be reliably protected from external force.

  And since the buffer member 20 of this invention consists of one continuous blank, it can reduce a number of parts and can aim at cost reduction. Moreover, since the outer peripheral wall having an octagonal cylindrical shape extends in the vertical direction inside the outer box 10, the pressure resistance can be improved. As a result, the corrugated paper forming the outer box 10 can be relatively soft and inexpensive, and the total cost can be greatly reduced.

  On the other hand, when taking out the luminaire 1 accommodated in the packaging box, the flaps 14 and 15 of the outer box 10 are released from being fixed and opened. Then, since the second side wall portion 30 is exposed, the buffer member 20 can be easily taken out from the outer box 10 together with the lighting fixture 1 by inserting a hand into the gripping holes 32 and 38 and pulling it out.

  In addition, the buffer member 20 of this invention is not limited to the structure of the said embodiment, A various change is possible.

  For example, in the above embodiment, the inner side wall is constituted by a pair of cut and raised pieces 39A and 39B provided with continuous portions 40A and 40B and a pair of bent portions 41A, 41A, 41B and 41B, as shown in FIG. Thus, you may comprise by four cut-and-raised pieces 39A-39D provided with the continuous part 40 and the bending part 41. FIG. In this case, when the cut and raised pieces 39 </ b> A to 39 </ b> D are cut and raised to form the inner side wall, the bent portions 41 are folded and overlapped with the continuous portions 40 of the adjacent cut and raised pieces 39 </ b> B to 39 </ b> A, Is locked in the locking groove 43. Of course, it is also possible to form a triangular cylindrical inner wall by three cut and raised pieces. That is, the present invention includes all of the configurations in which two or more cut and raised pieces each having a continuous portion and a bent portion are provided and these overlapping portions are connected by a predetermined connecting means.

  Moreover, in the said embodiment, although the bottom wall 21 was formed in the planar view octagonal shape, the same rectangular shape as the outer case 10 may be sufficient, and the number of corners can also be changed as desired. Furthermore, although the side wall parts 22 and 30 which comprise an outer side wall were set as the structure assembled by providing the winding piece 27 in the 1st side wall part 22 and winding up with the folding | turning wall part 34 provided in a row by the 2nd side wall part 22, Various changes in the configuration are possible.

  Furthermore, in the said embodiment, although the lighting fixture 1 was accommodated and protected by the buffer member 20, it is not restricted to the lighting fixture 1, If it is a goods which needs to protect from an external force in the state holding the inner peripheral part and the outer peripheral part. Any of them can be applied, and similar actions and effects can be obtained.

It is a disassembled perspective view which shows the packaging box using the buffer member of this invention. It is a perspective view which shows one process at the time of assembling a buffer member. It is a perspective view which shows another process at the time of assembling a buffer member. It is a perspective view which shows the assembly state of a buffer member. (A) is a top view which shows the blank of a buffer member, (B), (C) is the principal part enlarged view of (A). It is a top view which shows the blank of the modification of a buffer member.

Explanation of symbols

1. Lighting equipment (product)
DESCRIPTION OF SYMBOLS 3 ... Shade 6A, 6B ... Fluorescent lamp 10 ... Outer box 20 ... Buffer member 21 ... Bottom wall 22 ... 1st side wall part (outside wall)
30 ... 2nd side wall part (outside wall)
39A, 39B ... Cut and raised pieces (inner wall)
40A, 40B ... Continuous part 41A, 41B ... Bent part 42 ... Locking piece (connecting means)
43 ... Locking groove (connecting means)

Claims (2)

A bottom wall having a polygonal shape in plan view;
An outer wall erected from the outer peripheral edge of the bottom wall;
A continuous portion that is continuous with the bottom wall, and an inner wall that is formed of two or more cut and raised pieces having a bent portion that is connected to the continuous portion,
By bending the bent portion of one cut and raised piece so that at least a part is overlapped with the adjacent cut and raised piece, and connecting each cut and raised piece by the connecting means provided in the overlapping portion, the outer wall and the inner wall A shock-absorbing member characterized by having an annular shape.   The connecting means includes a locking piece having a cut-and-raised structure provided so as to be positioned at the lower end in an assembled state in a bent portion of one inner wall, and a locking groove provided in a overlapping portion of the other inner wall. The shock-absorbing member according to claim 1.

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