JPH0839658A - Housing case - Google Patents

Abstract

PURPOSE:To provide a housing case requiring no post-processing and excellent in strength by forming the protruding wall being the separate member closing the notched recessed part formed to one of the mating surfaces of a case body and a lid member to the other mating surface in a state welded and integrated at the time of the molding of the case. CONSTITUTION:A housing case consists of a body 1 and the lid member 2 freely openable and closable with respect to the case body 1. A notched recessed part 9 is formed to the mating surface of the body 1 and the protruding wall 12 closing the notched recessed part 9 is formed to the mating surface 11 of the lid member 2 so as to be integrated with the mating surface 11 at the time of the molding of the case.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to electric equipment, electronic equipment,
The present invention relates to a storage case for storing various items such as measuring instruments and optical instruments.

[0002]

2. Description of the Related Art Heretofore, as a storage case of this type, there is one disclosed in Japanese Utility Model Publication No. 2-9576 or Japanese Utility Model Publication No. 1-30332.

[0003]

[Problems to be Solved by the Invention] The above Japanese Utility Model Publication No. 2-957
The storage case described in Japanese Patent No. 6 is formed by blow molding, but the opening of the mating surface of the case body and the projecting wall that closes the opening of the mating surface of the lid are integrally molded during blow molding. Therefore, there is a case where the required one cannot be formed due to the restrictions on the shape and the degree of protrusion of the protruding wall in terms of molding.

On the other hand, in the one disclosed in the above Japanese Utility Model Publication No. 1-30332, the projecting wall is attached as a separate member by post-processing, but with this structure, the required shape and projecting degree are provided. However, since the protruding wall is attached by post-processing, the integration with the case body side is reduced due to the configuration, the processing process is complicated, and there is a problem in strength. is there.

The present invention is intended to solve the above-mentioned problems in this type of storage case, and has a protruding wall for closing a notched recess formed in one of the mating surfaces of the case body and the lid. It is an object of the present invention to provide a storage case which does not require post-processing and is excellent in strength by integrally forming the case at the time of molding.

[0006]

The present invention has the following constitutions as technical means for achieving the above object. That is, the storage case according to the present invention is a storage case including a case body and a lid body that can be opened and closed with respect to the case body. It is formed by integrally welding a projecting wall, which is a separate member that closes the cutout recess in a state where the case is closed, when the case is molded.

[0007]

According to the storage case of the present invention, one of the mating surfaces of the case body and the lid has a notch recess, and the other has a protruding wall that closes the notch recess and is integrally welded during molding of the case. Therefore, when the case is opened, the cutout concave portion is opened, and a desired connection can be externally made from the cutout concave portion to a device or the like stored in the case. Further, the display unit such as the storage device can be visually recognized from the cutout recess. Further, when taking out the device or the like housed in the case, the device or the like can be easily taken out by inserting a finger from the cutout recess.

[0008]

1 and 2, 1 is a case body,
Reference numeral 2 denotes a lid, and the lid 2 can be opened and closed by a hinge 3 with respect to the case body 1. As will be described later, the case body 1 and the lid body 2 are formed by blow molding a thermoplastic synthetic resin into a hollow double-wall structure, and the hinge 3 is formed by compression-thinning at the time of blow molding, or by another. The hinge member of the body is attached to the mating surface of the case. Reference numeral 4 is a handle, 5 is a latch, and 6 is a latch receiver. A storage recess for storing an article is formed inside the case body 1 and the lid 2, and 7 is a stored device.

Blow-moldable materials such as polyethylene, polypropylene, polyamide, ABS resin and polyvinyl chloride are used as the thermoplastic resin forming the storage case.

A notch recess 9 is formed in the mating surface 8 of the case body 1. The connection portion 10 of the device 7 housed in the case body 1 corresponds to the cutout recess 9.
The mating surface 11 of the lid body 2 is provided with a projecting wall 12 that closes the cutout concave portion 9. The projecting wall 12 is formed by welding and integrating another member during blow molding of the case.

In the storage case of the present invention constructed as described above, the notch recess 9 is formed on the mating surface 8 of the case body 1 and the projecting wall which closes the notch recess 9 on the mating surface 11 of the lid body 2. Since 12 is formed by being integrated at the time of molding the case, when the case is opened, the cutout recess 9 is opened. Therefore, the device 7 as it is stored in the case body 1 from the cutout recess 9
The required connections can be made externally. Further, the display portion of the device 7 can be visually recognized from the cutout recessed portion 9. Further, when taking out the device 7 housed in the case, by inserting a finger from the notch recess 9, the device 7 can be lifted upward and taken out easily.

3 to 5 show a blow molding mode of the storage case according to the present invention. Reference numerals 13 and 14 are a pair of split molds, 15 is an extrusion die, and 16 is a parison. The cavity 17 of the split mold 13 is provided with a protruding cavity 18 that forms the cutout recess 9. Further, in the cavity 19 of the split mold 14, the projection cavity 20 and the projection wall 12 corresponding to the projection cavity 18 are provided.
The insert portion 21 is provided. The protruding wall 12 is a separate member that is separately blow-molded, and the insert portion 2
1, but the protruding wall 1
The second insert means is not limited to this, and may have an appropriate aspect. The protruding wall 12 has a convex portion 22 at its tip, and the protruding wall 1 inserted in the insert portion 21
The second convex portion 22 is located near the parting line of the case formed by the pinch-off portions of the split molds 13 and 14. 23 is a hinge cavity for forming the hinge 3.

In the above-described blow molding mode, the mold is clamped from the state shown in FIG. 4, and the parison 16 is blown to mold the case. At this time, the split mold 14 is pressed.
The convex portion 22 of the protruding wall 12 inserted into the insert portion 21 of the
The protruding wall 12 is integrally formed by welding by the heat of the parison 16. Since the protrusion 22 of the protruding wall 12 is located in the vicinity of the parting line of the case where the thickness of the parison 16 does not become thin, the protruding wall 12 is firmly integrated with the mating surface 11 of the lid 2. To be done. 24 is a burr generated during molding.

As shown in FIGS. 4 and 5, the projecting wall 12 has a blow-molded hollow double-wall structure, which is a simple plate-shaped body as shown in FIGS. 6 and 7. Processed products may be used. Even if the projecting wall 12 is a plate-shaped processed product, the tip of the projecting wall 12 is divided into molds 1
The mating surface 11 of the lid 2 is located near the parting line of the case formed by the pinch-off portions 3 and 14.
To be firmly welded and integrated.

[0015]

According to the present invention, since the projecting wall that closes the notch recess formed in one of the mating surfaces of the case body and the lid body is integrally formed when the case is molded, no post-processing is required. Moreover, it is possible to obtain a storage case with excellent strength.

[Brief description of drawings]

FIG. 1 is an overall perspective view of a storage case according to an embodiment of the present invention.

FIG. 2 is an overall perspective view of the storage case with the case opened.

FIG. 3 is a side view showing a blow molding aspect of the storage case according to the present invention.

FIG. 4 is an enlarged sectional view of a main part taken along line AA of FIG. 3;

5 is a view of FIG. 3 showing a blow completion state from the state of FIG. 4;
FIG. 7 is an enlarged cross-sectional view of a main part of line A.

FIG. 6 is a partial perspective view showing another embodiment.

FIG. 7 is a cross-sectional view of an essential part showing a blow molding aspect of the thing of FIG.

[Explanation of symbols]

 1 Case Main Body 2 Lid Body 3 Hinge 4 Handle 5 Latch 6 Latch Receiver 7 Stored Device 8 Mating Surface 9 Notch Recess 10 Connection Part 11 Mating Surface 12 Projecting Wall 13, 14 Split Mold 15 Extrusion Die 16 Paris 17 Cavity 18 Protrusion Cavity 19 Cavity 20 Protrusion Cavity 21 Insert 22 Protrusion 23 Hinge Cavity 24 Burr

Claims (1)

[Claims] 1. A storage case comprising a case body and a lid body which can be opened and closed with respect to the case body, wherein a notch concave portion is provided on one of the mating surfaces of the case body and the lid body, and the other is provided.
A storage case formed by integrally forming a projecting wall, which is a separate member that closes the cutout concave portion in a state where the case is closed, by welding when forming the case.