JP3075929U - Case - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide a case that can hold an opening in an expanded state. A case (10) includes a storage part formed by a front member (12), a bottom member (18), a back member (22), and a gusset (46). A flap 26 is formed from the back member 22 to the front member 12 and covers the storage unit. A bent portion 30 for widening the opening and a bent portion 32 for holding the widened opening are formed in the front member 12. By bending the front member 12 at the bending portion 30 to widen the opening and bending the front member 12 and the end of the gusset 46 outward at the bending portion 32, the opening can be held in a widened state.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a case, particularly, for example, a case formed of a synthetic resin or the like.

[0002]

[Prior art]

 FIG. 5 is a perspective view showing an example of a conventional case. The case 1 includes a plate-shaped front member 2 and a back member 3. The front member 2 and the back member 3 are connected via a gusset 4 to form a storage section. The bottom surfaces of the front member 2 and the back member 3 are connected by a bottom member. Further, the flap 5 is formed so as to cover the storage portion from the back member 3 and cover the front member 2. Fasteners 6a and 6b are formed on the front member 2 and the flap 5, respectively. The flap 5 is fixed to the front member 2 in a state where the storage portion is covered by these fasteners 6a and 6b. The case 1 is formed of a material having low flexibility such as polypropylene.

[0003]

[Problems to be solved by the invention]

 However, in such a case, since the material is formed of a material having low flexibility, the width of the opening for taking in and out the object in the storage part is determined to be almost the same as the width of the gusset, and the object is taken in and out. May be inconvenient. Since the case is made of synthetic resin, etc., the width of the opening can be increased by opening it by hand, but when you release your hand, it returns to the original width, making it difficult to put things in and out. is there. In such a case, if the opening can be held in an expanded state, it is convenient for taking in and out of an object.

[0004] Therefore, a main object of the present invention is to provide a case that can hold the opening in an expanded state.

[0005]

The present invention includes a front member, a back member, and a gusset connecting the front member and the back member, and an opening is formed by the front member, the back member, and the gusset. The case is characterized in that it has a holding means for holding the opening between the front member and the back member in a widened state. In such a case, the holding means can be formed as a bent portion formed from the front member to the gusset. In this case, when the front member and the gusset are unfolded on a plane, the bent portion is formed between the front member and the gusset. It is formed so as to be refracted so as to be convex toward the opening at the boundary. Further, it is preferable that a recess is formed in the front member from the opening to the vicinity of the end of the bent portion. Further, the gusset includes a double structure portion in which a tongue member formed at the end of the front member and a tongue member formed at the end of the back member are adhered, and formed on the front member with the bent portion as a boundary. A single structure can be formed only by the opening side of the tongue member.

[0006] By forming the holding means for holding the opening of the case in a widened state, an object can be easily taken in and out of the case. Such a holding means can be constituted by a bent portion formed from the front member to the gusset, and the opening is widened by bending the front member and the gusset at the bent portion. At this time, by bending the bent portion so as to be convex toward the opening at the boundary between the front member and the gusset, the opening can be held in a widened state. By forming the concave portion in the front member, the opening can be greatly widened, and the state is held by the holding means. Also, by forming a double structure portion and a single structure portion on the gusset with the fold portion as a holding means as a boundary, the strength of the gusset can be increased, and it is easy to bend at the fold portion when opening the opening. Become.

The above and other objects, features and advantages of the present invention will become more apparent from the following detailed description of embodiments of the present invention with reference to the drawings.

[0008]

[Embodiment of the invention]

 FIG. 1 is a perspective view showing an example of the case of the present invention. The case 10 includes a plate-shaped front member 12. As shown in FIG. 2, a first tongue member 14 is formed at two opposite ends of the front member 12. In addition, a U-shaped recess 16 is formed on one side of the front member 12 sandwiched between the two first tongue members 14.

A plate-shaped bottom member 18 is formed so as to be connected to the front member 12 at a portion facing the side where the concave portion 16 is formed. A second tongue member 20 is formed at two opposite ends of the bottom member 18. Further, a plate-shaped back member 22 is formed so as to be connected to the bottom member 18. A third tongue member 24 is formed at two opposite ends of the back member 22. A plate-like flap 26 is formed so as to be connected to the back member 22. A bent portion 28 is formed on the flap 26. The front member 12, the first tongue member 14, the bottom member 18, the second tongue member 20, the back member 22, the third tongue member 24, and the flap 26 are formed of a synthetic resin material such as polypropylene, for example. Is done.

A bent portion 30 is formed on the front member 12 to widen the opening of the case 10 from the boundary end with the bottom member 18 toward the recess 16. A bent portion 32 is formed from the vicinity of the concave portion 16 in which the bent portion 30 is formed to the end of the first tongue member 14 for holding the opening in an open state. The bent portion 32 is bent between the front member 12 and the first tongue member 14 so as to be convex toward the recess 16, that is, toward the opening of the case 10.

Further, the front member 12 is formed with a through hole 36 for attaching the fastener 34a. The flap 26 has a cutout 38 and a through hole 40 for attaching the fastener 34b. Further, a through hole 44 for attaching a handle 42 as shown in FIG. 3 is formed between the bent portion 28 of the flap 26 and the back member 22.

In this case 10, the first tongue member 14, the second tongue member 20, and the third tongue member 24 are bent, and further, the front member 12 and the back member 22 are bent so as to face each other. The gusset 46 is formed by bonding the first tongue member 14 and the third tongue member 24. At this time, the end of the third tongue member 24 extends obliquely so as to overlap along the bent portion 32 formed on the first tongue member 14. Therefore, in the gusset 46, with the bent portion 32 as a boundary, the bottom member 18 side has a double structure portion, and the flap 26 side has a single structure portion.

In the case 10, a housing portion is formed by the front member 12, the bottom member 18, the back member 22 and the gusset 46. The opening is widened in order to put an object into the storage portion of the case 10. At this time, as shown in FIG. 4, the opening can be widened by bending the central part of the front member 12 so as to protrude forward at the bending part 30. Further, by bending the front member 12 and the end of the gusset 46 so as to protrude outward at the holding bent portion 32, the opening can be held in a widened state. At this time, if the holding bent portion 32 is formed linearly when the front member 12 and the first tongue member 14 are unfolded, the front member 12 and the gusset 46 are bent so as to protrude outward. However, the state cannot be maintained and the state returns to the original state, or the end of the front member 12 and the gusset 46 is completely bent, and the state where the opening is widened can be maintained. Can not. However, by forming the bent portion 32 to be bent at the boundary between the front member 12 and the first tongue member 14, it is possible to hold the opening in an expanded state without returning to the original state.

As described above, in the case 10, even when a material having low flexibility is used, the opening can be widened, so that an object can be easily taken in and out. In addition, since the opening can be held in an expanded state, objects can be taken in and out with both hands. At this time, since the recess 16 is formed in the front member 12, the opening can be greatly widened.

In addition, in this case 10, since the first tongue member 14 and the third tongue member 24 include a portion having a double structure, the strength of the gusset 46 can be increased. it can. Further, since the gusset 46 has a single structure with the bent portion 32 as a boundary, the front member 12 and the gusset 46 are easily bent when the opening is widened. Needless to say, such a structure can be applied to a case using a material other than polypropylene.

[0016]

[Effect of the invention]

 According to this invention, in the case made of a synthetic resin or the like, the opening can be held in a widened state, so that objects can be easily put in and out of the storage section.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an example of the case of the present invention.

FIG. 2 is a development view of the case shown in FIG.

FIG. 3 is a perspective view showing a state in which a flap of the case shown in FIG. 1 is closed.

FIG. 4 is a perspective view showing a state where an opening of the case shown in FIG. 1 is extended and held.

FIG. 5 is a perspective view showing an example of a conventional case.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Case 12 Front member 16 Concave part 18 Bottom member 22 Back member 26 Flap 30, 32 Bent part 46 Depth

Claims (4)

[Utility model registration claims] A case that includes a front member, a back member, and a gusset connecting the front member and the back member, wherein an opening is formed by the front member, the back member, and the gusset; A case, comprising: holding means for holding the opening between the front member and the back member in a widened state. 2. The holding means is formed as a bent portion formed from the front member to the gusset, and when the front member and the gusset are developed on a plane, the bent portion is formed by the front member and the gusset. 2. The case according to claim 1, wherein the case is formed so as to be bent so as to be convex toward the opening at the boundary portion. 3. A recess is formed in the front member from the opening to the vicinity of an end of the bent portion.
Case described in. 4. The gusset includes a double structure portion in which a tongue member formed at an end of the front member and a tongue member formed at an end of the back member are adhered. The case according to claim 2 or 3, wherein a single structure portion is formed only by the opening side of the tongue member formed on the front member as a boundary.