JPH0726323U - Fixed protector for paper box corners - Google Patents

Abstract

(57) [Abstract] [Purpose] No special equipment is required for assembly, and even an amateur can easily assemble and protect the outer surface of the corner of the paper box. [Arrangement] Corner cover plates 1 for covering the outer surfaces of the respective corners of the lid of the paper box or the ceiling plate or bottom plate 3 of the body 2 and the front, rear, left and right side plates 4, 4, 5, 5 are provided, and the plates on both sides of the corners are provided. 1a, 1a
Providing protrusions 6 and 6 on both sides of the inner surface that project wider than the inner surface ends of the plates on both sides, are attached to the inner surface of the lid of the paper box or the corners of the body, and cover the protrusions of the plates on both sides of the corners, and cover the corners of the protrusions. Center and both protrusions 7a, 7b, 7b inserted into both sides of the plate
And a return part 8 for locking the lower end of the protrusion at the side end of the protrusion on both sides of the center of the protrusion, and the corners of the front and rear left and right side plates of the paper box. Are provided with projection insertion holes 9, 9.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 According to this proposal, the corners of the lid or the ceiling plate or bottom plate of the paper box and the front, rear, left and right side plates can be easily fixed even by an amateur without using dedicated equipment, and the above-mentioned corners of the paper box can be protected. The present invention relates to a possible protective protector for a corner portion of a paper box.

[0002]

[Prior art]

 Conventionally, the corners of the lid or body of a paper box that stores "math aids" such as flutters, clocks, counting sticks, money, etc., as teaching materials in elementary schools, are placed at one side edge of the lid of the paper box or the front, rear, left and right sides of the body It is extended and folded into the inner surface of the other front, back, left, and right side plates, and each is fixed with staples or staples.

[0003]

[Problems to be solved by the device]

 In order to assemble the corners of the conventional paper box, a dedicated stapler, a snap-fitting device, etc. are required, which is troublesome and cannot be assembled by an amateur.

Therefore, since it is finished into a box at the factory shipment stage, it has a drawback that it is bulky during transportation or storage and that transportation or storage costs are high.

In addition, since the conventional box body does not have a protector for the corner portion, and handling of this kind of box body is difficult for elementary school children and the like, the corner portion of the paper box is particularly severely damaged and immediately broken. There is a drawback that it does not serve as a storage box for this kind.

An object of the present invention is to provide a corner box fixing protector for a paper box that does not require a dedicated device, can be easily assembled by an amateur, and protects the outer surface of the corner part of the paper box.

[0007]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention provides a corner cover plate for covering the outer surface of each corner part of the lid of the paper box or the ceiling plate or bottom plate of the body and the front, rear, left and right side plates, and the corner cover plate on both sides of the corner cover plate. Protrusions are provided on the inner surface of the plate, both sides of which project wider than the inner surface edges of the plate on both sides of the corners.

[0008] Then, the protrusions at the center and both sides are inserted into the lid of the paper box or the inner surface of the corner of the body, and are inserted between the protrusions of the plate on both sides of the corner cover plate and between both sides of the corner cover plate of the protrusion. Provide a three-pronged insertion tool with.

A return portion for locking the lower end portion of the protrusion is provided at a side end of the protrusion on both sides of the insertion tool on the side of the central protrusion, and the protrusion is inserted into the corner portions of the front, rear, left and right side plates of the paper box. Provide a hole for protruding insertion.

Then, each corner cover plate is fitted on the outer surface of the corner part, and the projections on the inner surface thereof are inserted into the projection insertion holes of the front, rear, left and right side plates, so that the space between both the projections of each corner cover plate and the projections of both projections of the corner cover plate are fitted. The insertion tool is inserted in a wedge shape on both sides of the corner cover plate.

In addition, a small projection that is inserted into the gap between the front, rear, left, and right side plates of the paper box is provided on the corner of the outer surface of the central protrusion of the three-pronged insert having protrusions at the center and both sides.

[0012]

[Action]

 Corner cover plates 1 for covering the outer surfaces of the corners of the lid of the paper box or the ceiling plate or the bottom plate 3 of the body 2 and the front, rear, left and right side plates 4, 4, 5, 5 are provided, and both sides of the corner cover plate 1 are provided. Of the plates 1a, 1a on both sides thereof are provided with protrusions 6, 6 whose widths are wider than the inner surface ends of the plates 1a, 1a on both sides of the corners. Since they are fitted into the projection insertion holes 9, 9 provided at the corner portions of 5, 5, 5, each corner portion can be easily temporarily fixed.

[0013] The lid 7 of the paper box or the inner portion of the corner portion of the body 2 is abutted on the inner surface of the corner portion, and each of the insertion portions 7 is divided into three parts and has a central portion and projecting portions 7a, 7b, 7b on both sides, and a corner covering. Since the plates 1a on both sides of the corner of the plate 1 are fitted between the projections 6 and 6 of the plate 1a and both sides of the corner cover plate 1 of the projections 6 and 6, the insertion tool 7 is inserted in a wedge shape and the front, rear, left and right plates 4 are inserted. , 4, 5, 5 are firmly fixed.

Further, since the small protrusions 11 are formed at the corners of the outer surface of the central protruding portion 7a of the three-pronged insert 7, the lid of the paper box or the ceiling plate or bottom plate 3 of the body 2 and the front, rear, left and right side plates 4, 4, 5, When 5 is erected or hung, the small projections 11 are inserted into the gaps 10 between the front and rear left and right side plates 4, 4, 5, 5 of the paper box lid or the body 2, and the front and rear left and right side plates 4, 4 are inserted. , 5, 5 are held stably without wobbling.

[0015]

【Example】

 A detailed description will be given with reference to the accompanying drawings showing an example of implementation of the present invention.

FIG. 1 is a top view of a lid of a paper box in a lid state, FIG. 2 is a top view of a lid of the paper box in a top view, and FIG. 3 is a corner cover plate. Figure 4 shows the insert.

5 is a sectional view taken along the line AA of FIG. 3, FIG. 6 is a view of the insertion tool from the outer surface of the corner portion, FIG. 7 is a view of the insertion tool from the side, and FIG. It is an unfolded lid or body of a paper box.

Reference numeral 1 denotes a corner cover plate, which is a lid of a paper box made of cardboard or a ceiling plate or bottom plate 3 of the body 2 and two folds in front, back, left and right of the ceiling plate or bottom plate 3 as shown in FIG. It covers the outer surface of each corner part when the side plates 4, 4, 5, 5 that are connected to each other via the front and rear sides are erected or drooped, and the upper and lower ends cover the corners of the ceiling plate or the bottom plate 3. A curved cover 12 for covering the enclosure and a cover 13 for one sheet of cardboard are formed at the lower end or the upper end.

Numerals 6 and 6 are protrusions formed on the inner surface of the corner covering plate 1, and are formed on the inner surfaces of the plates 1a, 1a on both sides of the corner covering plate 1, and both ends of both ends are the plates 1a, 1a. Is formed so as to be wider than the inner surface end (continuous end), and in this embodiment, the cross section is formed in an inverted trapezoidal shape having the lower end at the continuous end with the plates 1a, 1a on both sides. Is.

Here, since the projections 6 and 6 are formed in an inverted trapezoidal shape with the bottom end of the continuous connection end with the plates 1a on both sides, the bottom surface of the corner cover plate 1 and both sides of the projections 6 and 6 are formed. Although there are slanted grooves 6a, 6a between them, the projections 6, 6 are formed in a rectangular parallelepiped shape so that both end portions of the projections do not project, and the projection portions 7b, 7b on both sides of the insertion tool 7 to be described later are provided on both side portions thereof. The inner end on the side of the central projecting portion 7a and the both ends of the central projecting portion 7a may be grooves to be fitted.

Reference numeral 7 denotes a three-pronged insert, which is attached to the inner surface of each corner portion of the lid or body 2 of the paper box, and is formed between the projections 6 and 6 and both projections 6 formed on the inner surface of the corner cover plate 1. The corners of the cover plates 1 and 6 are formed with the central and both side protrusions 7a, 7b and 7b which are inserted into both side parts of the cover plate 1.

Reference numeral 8 denotes a return portion, which is provided at the side end on the side of the central protruding portion 7a of the protruding portions 7b, 7b on both sides of the insertion tool 7, and the protrusion 6 is provided between the central portion and the protruding portions 7a, 7b, 7b on both sides. , 6 are engaged with the lower ends of the projections 6, 6 to prevent the insertion tool 7 from being pulled out.

Reference numerals 9 and 9 denote projection insertion holes into which the projections 6 and 6 on the inner surface of the corner cover plate 1 are inserted, and side plates connected to the front and rear and left and right of the lid of the paper box or the ceiling plate of the body 2 or the bottom plate 3. It is a quadrangular shape formed at each corner of 4, 4, 5, and 5.

Numeral 10 is a lid of a paper box or a ceiling plate or a bottom plate 3 of the body 2 at two folds respectively, and when the front, rear, left and right side plates 4, 4, 5, 5 are erected or suspended, each side plate 4, 5 It is the gap that occurs between.

Reference numeral 11 denotes a small protrusion provided at the tip of the outer surface of the corner of the central protruding portion 7a of the insertion tool 7. The corner cover plate 1 is attached to the outer surface of each corner of the lid of the paper box or the body 2, When inserting the insertion tool 7 into the inner surface of each corner, it is inserted into the gap 10 between the front, rear, left, and right side plates 4, 5, and the side plate 4 is provided due to the gap 10 existing between the side plates 4, 5. , 5 prevents the paper box 2 itself from being easily broken.

In assembling the present invention, the side plates 4, 4, 5, 5 on the front, rear, left and right sides of the lid of the paper box or the ceiling plate or the bottom plate 3 of the body 2 are erected or drooped, and the corner cover plate 1 is formed on the inner surface of the protrusion 6. 6 is inserted into the rectangular projection insertion holes 9 1, 9 formed in the corner portions of the side plates 4, 4, 5, 5 and attached to the outer surface of each corner portion of the lid or the body 2 of the paper box.

Then, the insertion tool 7 is provided on the inner surface of each corner portion of the lid or body 2 of the paper box, the central projecting portion 7 a is provided between the projections 6 and 6 on the inner surface of the corner covering plate 1, and the projecting portions 7 b and 7 b on both sides. The wedges are inserted into both sides of the corner cover plate 1 of the projections 6 and 6, and the return portion 8 formed on the side surface of the projections 7b on both sides at the central projection 7a side is locked to the lower surfaces of the projections 6 and 6. To do.

At this time, small protrusions 11 provided at the tip of the outer surface of the corner portion of the central protruding portion 7a of the insertion tool 7 are inserted into the gaps 10 between the front, rear, left and right side plates 4, 5.

[0029]

[Effect of device]

 Since the present proposal has the above-described configuration, it does not require special equipment such as a stapler and a snap-fitting device for assembling the lid of the paper box or the body 2 as in the conventional case, and therefore, it does not require time and labor, and is suitable for an amateur. Easy to assemble

Therefore, it is not necessary to assemble it as a box at the time of factory shipment, it is not bulky, and transportation and storage costs are low.

Further, the corner cover plate 1 is attached to the outer surface of the corner portion of the lid or body 2 of the paper box, and the projections 6, 6 and the projection 6 on the inner surface of the corner cover plate 1 are attached to the inner surface of the corner portion of the lid or body 2 of the paper box. , 6 are inserted into the both sides of the corner cover plate 1 in a wedge shape, so that the central projection 7a of the insert 7 has a tip end on the outer surface of the corner of the insert 7 in the gap 10 between the front, rear, left and right side plates 4, 5. Since the small projection 11 provided on the paper box is inserted, the lid of the paper box or the body 2 itself can be reinforced, and the paper box lid or the outer surface of the corner portion of the body 2 is protected without being broken even if it is handled roughly. Therefore, the lid of the paper box or the corner of the body 2 is not easily broken.

Furthermore, since a curved cover 12 that covers the periphery of the corner of the ceiling plate or the bottom plate 3 is provided at the upper end or the lower end of the corner cover plate 1, and a cover 13 for one cardboard is provided at the lower end or the upper end of the paper box. The corners of the lid or body 2 can protect the upper or lower corners as well as the lower or upper corners, and the cardboard box body equipped with the corner box fixed protector of the present invention is subject to rough handling. However, it will function as a storage container for a long time.

Further, the corner fixing protection device of the seed paper box can be provided on either one or both of the lid of the paper box and the body 2, and can be arbitrarily implemented.

[Brief description of drawings]

FIG. 1 is a perspective view of a lid of a paper box in a lid-covered state viewed from above.

FIG. 2 is a perspective view of the body of the paper box with the lid open, as seen from above.

FIG. 3 is a perspective view of a corner cover plate as viewed from the inner surface direction.

FIG. 4 is a perspective view of the insertion tool as viewed from the inner surface direction.

5 is a cross-sectional view taken along the line AA of FIG. 3 in a state in which a corner cover plate is attached to the lid of the paper box or the corner of the body.

FIG. 6 is a front view of the insertion tool as seen from the outer surface of a corner portion.

FIG. 7 is a side view of FIG.

FIG. 8 is a development view of the lid or body of the paper box.

[Explanation of symbols]

 1 Corner cover plate 1a, 1a Plates on both sides of the corner 2 Paper box lid or body 3 Ceiling plate or bottom plate 4,5 Side plate 6 Projection 6a Inclined groove 7 Insert 7a Center projection 7b, 7b Projection on both sides 8 Return part 9 Hole for inserting projection 10 Gap 11 Small projection 12, 13 Cover

Claims (2)

[Scope of utility model registration request] 1. A lid of a paper box or a ceiling plate or bottom plate 3 of the body 2.
And a corner cover plate 1 for covering the outer surfaces of the respective corners of the front, rear, left and right side plates 4, 4, 5, 5 and a corner part of the corner cover plate 1 attached to the front, rear, left and right side plates of the paper box lid or body 2. Boards 1 on both sides
On the inner surface of a, 1a, projections 6, 6 whose both sides project wider than the inner surface ends of both plates 1a, 1a are provided, and are abutted on the inner surface of the corner portion of the lid of the paper box or the body 2, and the corner cover plate 1 Between the both projections 6 and 6 and the protrusions 7a, 7b, 7 at the center and both sides which are fitted into both sides of the corner cover plate 1 of both the projections 6 and 6.
A three-pronged insertion tool 7 having b is provided, and a return portion 8 for locking the lower ends of the projections 6 and 6 is provided at a side end of the insertion tool 7 on both sides of the protrusions 7b, 7b on the side of the central projection 7a. Of the lid or the side plates 4, 4, 5 and 5 of the front, rear, left and right of the body 2 are provided with projection insertion holes 9 and 9 into which the projections 6 and 6 are inserted, and the corners are covered with the respective corners. The plate 1 is fitted with the projections 6 and 6 on the inner surface thereof in the holes 9 and 9, and the space between the projections 6 and 6 of each corner cover plate 1 and the both sides of the corner cover plate 1 of both projections 6 and 6 are fitted. A protector for fixing a corner portion of a paper box, wherein the inserting tool 7 is inserted in a wedge shape. 2. Protrusions 7a, 7b, 7b at the center and both sides
At the corners of the outer surface of the protrusion 7a at the center of the three-pronged insert 7 having a lid of the paper box or the side plates 4 of the front, rear, left, and right of the body 2.
2. The protector for fixing a corner portion of a paper box according to claim 1, further comprising a small protrusion 11 which is fitted into a gap 10 between the 4, 5, and 5.