1. The utility model provides a size adjustable file box which characterized in that:

comprises a box body (1) and a box cover (2);

the box body (1) comprises a first box body expansion part (11) and a second box body expansion part (12), and a cavity for the second box body expansion part (12) to expand towards the width direction is formed in the first box body expansion part (11);

the box cover (2) comprises a first box cover expansion part (21) and a second box cover expansion part (22), and a cavity for the second box cover expansion part (22) to expand in the width direction is formed in the first box cover expansion part (21);

the upper end of one side of the box body expansion part I (11) far away from the box body expansion part II (12) is rotatably connected with the box cover expansion part I (21);

the side surfaces of the periphery of the box body (1) are of an organ-shaped telescopic structure.

2. A dimensionally adjustable file box according to claim 1, wherein: the width of the box body expansion part I (11) is equal to that of the box cover expansion part I (21), and the maximum length of the expansion of the box body expansion part II (12) is equal to that of the expansion part II (22).

3. A dimensionally adjustable file box according to claim 1, wherein: the lateral surface of the second box cover telescopic part (22) is provided with a bolt (3), and the lateral surface of the second box body telescopic part (12) is provided with an insert ring (4) corresponding to the bolt (3).

4. A dimensionally adjustable file box according to claim 3, wherein: the bottom of bolt (3) is connected with elastic part, insert ring (4) and have elasticity.

5. An adjustable-size filing container according to claim 4, wherein: and elastic drag hooks (5) are respectively fixedly arranged inside two opposite side surfaces of the first box body telescopic part (11).

6. An adjustable-size filing container according to claim 5, wherein: the elastic drag hook (5) is an extension spring with the bottom end fixedly connected with the first box body telescopic part (11).

7. An adjustable-size filing container according to claim 5, wherein: the bolt (3) and the elastic draw hook (5) are made of stainless steel.

8. A dimensionally adjustable file box according to claim 1, wherein: the box body (1) and the box cover (2) are made of acid-free paper.

Background

The file box is very common in daily life of people and is mainly used for storing and storing some important file materials. Among the prior art, archives box's size and capacity are all fixed unchangeable, to the material of different sizes, need use the archives box of different specifications. The chinese patent application No. 201120479433.1 discloses a volume-adjustable file box, which can adjust the volume of the file box, but cannot adjust the size of the file box, and is not suitable for different specifications of materials. Therefore, there is a need to provide a file box with adjustable capacity and size.

Disclosure of Invention

The invention aims to provide a size-adjustable file box, which solves the problems in the prior art.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a size-adjustable file box comprises a box body and a box cover;

the box body comprises a box body expansion part I and a box body expansion part II, and a cavity for the box body expansion part to expand in the width direction is formed in the box body expansion part I;

the box cover comprises a box cover expansion part I and a box cover expansion part II, and a cavity for the box cover expansion part to expand in the width direction is formed in the box cover expansion part I;

the upper end of one side of the box body expansion part I, which is far away from the box body expansion part II, is rotatably connected with one side of the box cover expansion part;

the side surfaces around the box body are of an organ-shaped telescopic structure.

On the basis of the above scheme and as a preferable scheme of the above scheme, the width of the first box body expansion part is equal to that of the first box cover expansion part, and the maximum length of the second box body expansion part which can expand is equal to that of the second box cover expansion part.

On the basis of the above scheme and as a preferred scheme of the above scheme, the outer side surface of the second box cover telescopic part is provided with a bolt, and the outer side surface of the second box body telescopic part is provided with an inserting ring corresponding to the bolt.

In addition to the above, as a preferable mode of the above, an elastic portion is connected to a bottom of the plug pin, and the insert ring has elasticity.

On the basis of the scheme, as a preferable scheme of the scheme, two opposite side surfaces of the telescopic part of the box body are respectively and fixedly provided with an elastic draw hook.

On the basis of the scheme, and as a preferable scheme of the scheme, the elastic draw hook is an extension spring with the bottom end fixedly connected with the first telescopic part of the box body.

On the basis of the scheme and as a preferable scheme of the scheme, the inserted pin and the elastic draw hook are made of stainless steel.

On the basis of the scheme, and as a preferable scheme of the scheme, the box body and the box cover are made of acid-free paper.

The invention has the following beneficial effects: the size-adjustable file box not only can adjust the capacity, but also can change the size to be suitable for file materials with different sizes and specifications; the outer side surface of the second box cover telescopic part is provided with a bolt, and the outer side surface of the second box body telescopic part is provided with an insert ring corresponding to the bolt, so that the box cover and the box body are conveniently fixed together, and the box cover can be prevented from being automatically opened; an elastic drag hook is fixedly arranged inside each of two opposite side surfaces of the telescopic part of the box body, so that the file materials can be conveniently fixed in the box body.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic view of another embodiment of the present invention.

The reference numbers are as follows:

1. a box body; 11. a first box body expansion part; 12. a second box body expansion part; 2. a box cover; 21. a first box cover expansion part; 22. a second box cover expansion part; 3. a bolt; 4. inserting a ring; 5. an elastic drag hook.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 2, a size-adjustable filing container,

comprises a box body 1 and a box cover 2;

the box body 1 comprises a box body expansion part I11 and a box body expansion part II 12, and a cavity for the box body expansion part II 12 to expand in the width direction is formed in the box body expansion part I11;

the box cover 2 comprises a box cover expansion part I21 and a box cover expansion part II 22, and a cavity for the box cover expansion part II 22 to expand in the width direction is formed in the box cover expansion part I21;

the upper end of one side of the box body expansion part I11, which is far away from the box body expansion part II 12, is rotatably connected with the box cover expansion part I21;

the side surfaces of the periphery of the box body 1 are of an organ-shaped telescopic structure.

When in use, the height of the file box can be adjusted by stretching the box body up and down, so that the capacity of the file box can be adjusted; the size of the box body and the size of the box cover in the width direction can be changed by stretching the second box body stretching part and the second box cover stretching part left and right, and the size of the file box can be adjusted so as to be suitable for file materials with different sizes and specifications.

The first box body expansion part 11 and the first box cover expansion part 21 are equal in width, and the second box body expansion part 12 and the second box cover expansion part 22 are equal in maximum expansion length, so that the box body and the box cover can expand to the same length.

The outer side surface of the second box cover expansion part 22 is provided with a bolt 3, the outer side surface of the second box body expansion part 12 is provided with an insert ring 4 corresponding to the bolt 3, so that the box cover and the box body are fixed together conveniently, and the box cover can be prevented from being opened automatically.

The bottom of the bolt 3 is connected with an elastic part, and the insert ring 4 has elasticity, so that the bolt can be better fixed in the insert ring.

Two opposite side surfaces of the first box body telescopic part 11 are respectively and fixedly provided with an elastic drag hook 5 inside, so that the file materials can be conveniently fixed in the box body.

The elastic drag hook 5 is an extension spring with the bottom end fixedly connected with the first telescopic part 11 of the box body, so that the file materials can be more firmly fixed in the box body.

The bolt 3 and the elastic drag hook 5 are made of stainless steel, and the stainless steel material is not easy to rust and is attractive and durable.

The box body 1 and the box cover 2 are made of acid-free paper, so that materials in contact with the paper are not corroded by acid, and file materials can be better protected.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.