JPH0715522U - Case bottom structure - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a bottom structure of a case in which the lower surface opening of the case is sealed without using an adhesive or heat welding. [Structure] A bottom plate 6 with a slit 8 for closing a lower surface opening of a rectangular cylinder at a lower edge of a side plate 4 of a rectangular cylinder A formed by four side plates 1, 2, 3 and 4, and a hollow chamber formed by being folded into the rectangular cylinder. The inner bottom plate 7 forming the above is continuously formed, the projecting plate 9 and the insertion piece 10 are sequentially formed at the lower edge of the side plate 2, and the insertion piece is inserted into the slit to seal.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a bottom structure of a case that accommodates a laser disk (LD), for example.

[0002]

[Prior art]

 In the case of a conventional laser disk, a square tubular body is formed by four side plates that face each other in the front and rear and left and right, and the lower surface opening of the square tubular body has an inner bottom plate and an outer bottom plate connected to the lower edge of one of the opposite side plates. Bend each other inward and overlap, and close the overlapping surfaces by attaching them.

[0003]

[Problems to be solved by the device]

 According to the above case, first, the inner bottom plate is bent inward, then the outer bottom is bent inward, the outer bottom plate is superposed on the inner bottom plate, and the adhesive or high frequency applied to the overlapping surface is used. Since it is fixed by heat welding, the sealing work is troublesome and the cost increases.

Further, since it is stored as assembled, or shipped, there is a problem in that it is bulky.

Therefore, an object of the present invention is to seal the lower surface opening of the rectangular tubular body that constitutes the case without heat welding with an adhesive or high frequency.

[0006]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, the present invention relates to a rectangular tube body formed by four side plates, a bendable connection from the lower edge of the one side plate of the rectangular tube body, and a bottom opening of the rectangular tube body. A bottom plate provided so as to close the bottom plate, a bottom plate connected to the bottom plate to be housed in the rectangular cylinder, a middle bottom plate forming a hollow chamber above the bottom plate, a slit provided in the bottom plate, and the bottom wall. The bottom structure of the case, which is connected to the lower edge of the side plate in a bendable manner and overlaps with the bottom plate, and an insertion piece which is connected from the protrusion plate in a bendable manner and is inserted into the hollow chamber formed by the middle bottom plate from the slit. Adopt structure.

[0007] Further, a square tube body formed by four side plates, a bottom plate that is connected to the lower edge of one side plate of the square tube in a freely bendable manner, and that closes the lower surface opening of the square tube body, and the bottom plate. From the lower edge of the side plate facing the side plate having the above-mentioned bottom plate, and the outer bottom plate that overlaps the above-mentioned bottom plate and is bendable to this outer bottom plate. The bottom structure of the case is adopted, which is composed of a series of insert pieces and an insert slit of the insert pieces provided on the bottom plate or the side plate.

Further, a square tube body formed by side plates of four sides, a bottom plate connected to the lower edge of one side plate of the square tube body in a freely bendable manner, and a bottom plate closing an opening on the lower surface side of the square tube body. The protruding piece is connected to the bottom plate in a bendable manner, is inserted into the rectangular tube, the slit is provided in the protruding piece, the bendable connection is made from the lower edge of the side plate facing the side plate having the bottom plate, and the slit is formed. The bottom structure of the case, which consists of an insert piece that is inserted into the

[0009]

[Action]

 With the above configuration, the bottom plate closes the lower surface opening of the rectangular cylinder while folding the inner bottom plate into the rectangular cylinder.

Next, the protruding plate is bent so as to overlap the bottom plate, and the insertion piece is inserted into the slit.

Further, the bottom plate closes the lower surface opening of the rectangular cylinder while pushing the protruding piece into the rectangular cylinder.

Next, the bottom plate is bent so that the outer bottom plate is circumscribed, and the insertion piece is inserted into the slit.

Further, while pushing the protruding piece into the rectangular tube, the bottom plate closes the lower surface opening of the rectangular tube and inserts the insertion piece into the slit.

[0014]

【Example】

 An embodiment of the present invention will be described below with reference to the accompanying drawings.

First Embodiment As shown in FIGS. 1 and 2, A is a rectangular prismatic body formed by four side plates 1, 2, 3, and 4.

In the case shown in the drawing, the fixing pieces 5 connected to the side edges of the side plate 1 are superposed on the surface of the side plate 4, and when thick paper is used, when applying a synthetic resin plate through an adhesive or the like, when applying a synthetic resin plate, Although the rectangular cylinder A is formed by fixing with an adhesive or appropriate heat welding, the rectangular cylinder A may be formed by a method other than the above.

A bottom plate 6 that closes the lower surface opening of the rectangular tubular body A is provided at the lower edge of the rectangular tubular body A.

The bottom plate 6 is flexibly connected to the lower edge of the side plate 4 in the illustrated case.

Further, an extension of the bottom plate 6 is formed by connecting an inner bottom plate 7 that is folded so as to form a hollow chamber in the rectangular tubular body A.

As shown in FIG. 2, the midsole plate 7 is bent in an inverted V shape so that the leading edge of the middle bottom plate 7 abuts on the bottom plate 6, as shown in FIG. As shown in FIG. 4, when the tip edge is bent in a U shape so that the tip edge abuts on the bottom plate 6 by the two parallel fold lines at a predetermined interval, and as shown in FIG. There is one in which the leading edge abuts on the bottom plate 6 (like a chain line) by the load of the stored items.

Further, the bottom plate 6 is provided with a slit 8.

Further, at the lower edge of the side plate 2, a protruding plate 9 that overlaps the lower surface of the bottom plate 6 and an insertion piece 10 that is inserted into the slit 8 are sequentially connected.

In the illustrated case, one piece of the insert piece 10 is projected between both end portions of the tip edge of the projecting plate 9, but it may be projected in a scattered manner. Of course, the slits 8 are also scattered.

When the insert piece 10 is inserted into the slit 8 and the projecting plate 9 is superposed on the bottom plate 6, the tip edge of the insert piece 10 does not abut the middle bottom plate 7.

With the above structure, the protruding plate 9 overlaps the lower surface of the bottom plate 6 that closes the lower surface opening of the rectangular tubular body A while inserting the insertion piece 10 into the slit 8.

The inner bottom plate 7 is folded into the rectangular tubular body A before the bottom plate 6 closes the lower surface opening of the rectangular tubular body A.

(Second Embodiment) As shown in FIGS. 5 and 6, a rectangular cylinder A having a bottom plate 6 is the same as in the first embodiment, and a description thereof will be omitted.

Further, the lower plate of the side plate 2 is successively formed with a protruding plate 9 and an insertion piece 10 which overlap the lower surface of the bottom plate 6.

The insert piece 10 is inserted into the slit 8 of the bottom plate 6 or the side plate 4 to maintain the sealed state.

As shown in FIG. 5, the projecting piece 11 connected to the bottom plate 6 is inserted into the inside of the side plate 2, and the lower end of the projecting piece 11 is supported by the upper end edge of the projecting piece 11 to receive the stored object. If the tip of the insertion piece 10 is prevented from abutting against it, the pushing back of the insertion piece 10 can be prevented.

Third Embodiment The rectangular tubular body A shown in FIG. 7 is the same as in the first embodiment, and the description thereof will be omitted.

A protruding piece 21 that bends inward is provided along the entire length of the lower edge of the side plate 2, and an inwardly bent projection piece 21 is provided along the entire length of the lower edge of the side plate 4, and the tip portion is superposed on the lower surface of the tip portion of the protruding piece 21. A matching bottom plate 22 is coupled.

A single or a plurality of parallel insert pieces 23 are formed between both ends of the front edge of the bottom plate 22, and the insert pieces 23 are connected to the slits 24 of the projecting piece 21. Insert and seal.

As shown in the drawing, when a U-shaped cut 26 is made in the insert piece 23 and the tip edge of the tongue piece 25 inside the cut piece 26 is brought into contact with the upper surface of the protruding piece 21, the insert piece 23 is inserted. Prevent 23 from coming off.

[0035]

【effect】

 Since the bottom structure of the case according to the present invention is configured as described above, the lower surface opening of the rectangular tubular body can be closed and the stored items can be closed without requiring troublesome work such as adhesive or heat welding. The insole prevents the insertion piece from being pushed back in the direction in which it will come off.

[Brief description of drawings]

FIG. 1 is a perspective view of a case according to a first embodiment of the present invention.

[FIG. 2] A vertical side view of the same as above when sealing.

FIG. 3 is a vertical cross-sectional side view showing different shapes of the insole plate.

[Figure 4] Side view of the same section

FIG. 5 is a vertical sectional side view of the second embodiment.

FIG. 6 is a vertical sectional side view in which the position of the slit is changed.

FIG. 7 is a vertical sectional side view of the third embodiment.

[Explanation of symbols]

 A Square tubular body 1, 2, 3, 4 Side plate 5 Fixing piece 6, 22 Bottom plate 7 Middle bottom plate 8, 24 Slit 9 Projecting plate 10, 23 Inserting piece 11, 21 Projecting piece

Claims (3)

[Scope of utility model registration request] 1. A rectangular tubular body formed by four side plates,
A bottom plate connected to the lower edge of the one side plate of the rectangular cylinder so as to be bendable, and a bottom plate provided so as to close the lower surface opening of the rectangular cylinder, and connected from the bottom plate to be housed in the rectangular cylinder. An inner bottom plate forming a hollow chamber above the bottom plate,
The slit provided in the bottom plate, the lower plate of the side plate not having the bottom wall, is connected flexibly from the lower edge of the side plate, and the projecting plate that overlaps the bottom plate is formed by the slit and the middle bottom plate from the slit to be flexibly connected. The bottom structure of the case consisting of an insertion piece that is inserted into the hollow chamber. 2. A square tubular body formed by four side plates,
A bottom plate which is flexibly connected from a lower edge of one side plate of the rectangular cylinder and closes a lower surface opening of the rectangular cylinder; a projecting piece which is flexibly connected from the bottom plate and is inserted into the rectangular cylinder; An outer bottom plate that flexibly connects from the lower edge of the side plate facing the side plate having the bottom plate and overlaps with the bottom plate, an insertion piece that is flexibly connected to the outer bottom plate, and the insertion piece provided on the bottom plate or the side plate. Bottom structure of the case consisting of the insertion slit of. 3. A rectangular tubular body formed by four side plates,
A bottom plate that is flexibly connected from the lower edge of one side plate of the rectangular cylinder and that closes the lower surface side opening of the rectangular cylinder, and a protruding piece that is flexibly connected from the bottom plate and that is inserted into the rectangular cylinder. A bottom structure of a case, which comprises a slit provided on the protruding piece and an insertion piece which is connected to the side plate having the bottom plate so as to be bendable from a lower edge of the side plate and which is inserted into the slit.