A tool case having a case-in-case structure
By designing a toolbox with a box-within-a-box structure, the inner box uses a waist buckle and elastic hook, while the outer box uses a snap-fit and fastener structure. This solves the problem of traditional fastener packaging not being able to close, and enables the individual storage of the inner box and the neat carrying of the outer box, thus improving the convenience of storage and carrying.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HAIYAN MEILONGDA TECH CO LTD
- Filing Date
- 2025-05-14
- Publication Date
- 2026-06-05
AI Technical Summary
Traditional fastener packaging methods cannot be closed after opening, causing remaining fasteners to easily fall out, making storage inconvenient and resulting in poor overall performance.
Design a toolbox with a box-within-a-box structure. The inner box has a waist buckle structure and an elastic locking hook, while the outer box has a snap-fit connection and a fastener structure. The inner box can be used alone or hung on a belt, and the outer box is used to store multiple inner boxes.
It allows for separate storage and carrying of the inner box, as well as neat storage of the outer box, freeing up your hands, offering a large carrying capacity, comprehensive functions, and strong practicality.
Smart Images

Figure CN224323089U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of packaging technology, and more specifically, it relates to a toolbox with a box-within-a-box structure. Background Technology
[0002] Traditional packaging methods for storing small batches of fasteners vary, but most commonly use plastic bags, which are easy to open and inexpensive. However, once the plastic bag is opened, if the fasteners are not used up, the bag cannot be closed again, and the remaining fasteners are prone to falling out, making storage inconvenient and resulting in poor overall performance. Therefore, this invention proposes a toolbox with a box-within-a-box structure. Utility Model Content
[0003] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a toolbox with a box-within-a-box structure.
[0004] To solve the above-mentioned technical problems, the purpose of this utility model is achieved as follows: The utility model relates to a toolbox with a box-within-a-box structure, including an inner box body; the inner box body includes an inner box container, an inner box flap hinged to the inner box container, and the inner box container and / or the inner box flap are provided with a waist buckle structure.
[0005] The present invention is further configured such that: the waist buckle structure is a waist buckle locking piece disposed on the inner box container and extending in the direction away from the container opening of the inner box container, the waist buckle locking piece and the inner box container have a fastening gap, and the end of the waist buckle locking piece not connected to the inner box container has a waist buckle locking hook disposed in the fastening gap.
[0006] The present invention is further configured such that the inner box flap and the inner box container are connected by a snap-fit connection.
[0007] The present invention is further configured such that: the inner box flap is provided with a first elastic locking hook, and the inner box container is provided with a second elastic locking hook that matches the first elastic locking hook; when the inner box flap is closed on the inner box container, the second elastic locking hook hooks the first elastic locking hook.
[0008] The present invention is further configured to include an outer box body; the number of inner box bodies is not less than two; the inner box bodies are housed within the outer box body.
[0009] The present invention is further configured such that the inner box body fills the inner cavity of the outer box body.
[0010] The present invention is further configured such that: the outer box body includes an outer box container, an outer box flap is hinged to the outer box container, and the outer box flap and the outer box container are connected by a snap-fit connection.
[0011] The present invention is further configured such that: a buckle plate is hinged to the outer box flap, the buckle plate is provided with a buckle protrusion, and the outer box container is provided with a buckle groove that matches the buckle protrusion.
[0012] The present invention is further configured such that: the top of the outer box body is provided with an upper positioning protrusion or an upper positioning groove, and the bottom of the outer box body is provided with a lower positioning groove that matches the upper positioning protrusion or a lower positioning protrusion that matches the upper positioning groove.
[0013] The present invention is further configured such that a handle is provided on the outer box body.
[0014] In summary, this utility model has the following beneficial effects:
[0015] 1. The inner box, which can be removed from the outer box, can be used for storage separately. It is equipped with a waist buckle structure and can be placed or fastened to the belt, freeing up your hands.
[0016] 2. It adopts an outer box to store the inner box structure, which keeps things neat, allows for a large amount of carrying capacity, and is easy to carry. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 2 yes Figure 1 A structural diagram from another perspective;
[0019] Figure 3 This is a partial structural schematic diagram of the present invention;
[0020] Figure 4 This is a schematic diagram illustrating the structure of the outer box flap of this utility model;
[0021] Figure 5 This is a schematic diagram illustrating the structure of the buckle panel in this utility model;
[0022] Figure 6 This is a schematic diagram illustrating the overall structure of the inner box body of this utility model;
[0023] Figure 7 yes Figure 6 A structural diagram from another perspective;
[0024] Figure 8 This is a partial structural diagram of the inner box body used in this utility model. Detailed Implementation
[0025] To enable those skilled in the art to better understand the technical solution of this utility model, the preferred embodiments of this utility model are described below in conjunction with specific examples. However, it should be understood that these descriptions are only for further illustrating the features and advantages of this utility model, and not for limiting the patent claims of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this utility model.
[0026] The present invention will be further described below with reference to the accompanying drawings and preferred embodiments.
[0027] Example 1
[0028] See Figures 1 to 8 As shown, the toolbox with a box-within-a-box structure involved in this embodiment includes an inner box body 100; the inner box body 100 includes an inner box container 101, an inner box flap 102 is hinged to the inner box container 101, and the inner box container 101 is provided with a waist buckle structure; the waist buckle structure is a waist buckle locking piece 103 provided on the inner box container 101 and extending in the direction away from the container opening of the inner box container, and there is a fastening gap 104 between the waist buckle locking piece 103 and the inner box container 101, and the end of the waist buckle locking piece 103 that is not connected to the inner box container has a waist buckle hook 105 provided in the fastening gap.
[0029] Furthermore, the inner box flap 102 and the inner box container 101 are connected by a snap-fit connection.
[0030] Furthermore, the inner box flap 102 is provided with a first elastic locking hook 106, and the inner box container 101 is provided with a second elastic locking hook 107 that matches the first elastic locking hook; when the inner box flap 102 is closed on the inner box container 101, the second elastic locking hook 107 hooks the first elastic locking hook 106.
[0031] In this embodiment, the inner box body 100 containing the workpiece can be hung on a belt by using the buckle structure on the inner box container 101. Alternatively, the buckle structure can be omitted, and the inner box body 100 containing the workpiece can be placed directly on a flat surface.
[0032] Example 2
[0033] See Figures 1 to 8 As shown, the toolbox with a box-in-box structure involved in this embodiment is further configured, based on embodiment 1, to include an outer box body 200; the number of inner box bodies 100 is not less than two; the inner box bodies 100 are housed inside the outer box body 200; the inner box bodies 100 fill the inner cavity of the outer box body 200.
[0034] Furthermore, the outer box body 200 includes an outer box container 201, and an outer box flap 202 is hinged to the outer box container 201. The outer box flap 202 and the outer box container 201 are connected by a snap-fit connection.
[0035] Furthermore, a buckle plate 203 is hinged to the outer box flap 202, and a buckle protrusion 204 is provided on the buckle plate 203. The outer box container 201 is provided with a buckle groove 205 that matches the buckle protrusion.
[0036] In this embodiment, the outer box body 200 is used to store a large number of inner box bodies 100.
[0037] Example 3
[0038] See Figures 1 to 8 As shown, the toolbox with a box-in-box structure involved in this embodiment is further configured based on embodiment 2, wherein the top of the outer box body 200 is provided with an upper positioning groove 206, and the bottom of the outer box body 200 is provided with a lower positioning protrusion 207 matching the upper positioning groove.
[0039] In this embodiment, a positioning groove 206 is provided on the top of the outer box body 200 and a lower positioning protrusion 207 matching the positioning groove is provided on the bottom, which serves as positioning and anti-displacement function when the outer box body 200 is stacked vertically.
[0040] Example 4
[0041] See Figures 1 to 8 As shown, the toolbox with a box-in-box structure involved in this embodiment is further configured, based on embodiment 3, to have a handle 208 on the outer box body 200.
[0042] In this embodiment, the handle 208 is provided for gripping, making it convenient to carry the toolbox.
[0043] The toolbox with a box-within-a-box structure involved in this utility model has an inner box that can be taken out from the outer box and stored separately. It is equipped with a waist buckle structure, which can be placed or fastened to a belt to free up the hands. Furthermore, the outer box stores the inner box, which keeps the toolbox neat, allows for a large carrying capacity, is easy to carry, and has complete functions and strong practicality.
[0044] Unless otherwise specified, in this utility model, terms such as "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the actual orientation or positional relationship shown. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe orientation or positional relationships in this utility model are for illustrative purposes only and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood in conjunction with the embodiments and according to the specific circumstances.
[0045] Unless otherwise expressly specified and limited, the terms "set up," "connected," and "linked" in this utility model should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0046] The preferred embodiments of this utility model have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.
Claims
1. A toolbox with a box-within-a-box structure, characterized in that, It includes an inner box body; the inner box body includes an inner box container, an inner box flap is hinged to the inner box container, and the inner box container and / or the inner box flap are provided with a waist buckle structure.
2. The toolbox with a box-within-a-box structure according to claim 1, characterized in that, The waist buckle structure is a waist buckle locking piece set on the inner box container and extending in the direction away from the container opening of the inner box container. There is a fastening gap between the waist buckle locking piece and the inner box container. The end of the waist buckle locking piece that is not connected to the inner box container has a waist buckle hook set in the fastening gap.
3. The toolbox with a box-within-a-box structure according to claim 1 or 2, characterized in that, The inner box flap and the inner box container are connected by a snap-fit connection.
4. The toolbox with a box-within-a-box structure according to claim 3, characterized in that, The inner box flap is provided with a first elastic locking hook, and the inner box container is provided with a second elastic locking hook that matches the first elastic locking hook; when the inner box flap is closed on the inner box container, the second elastic locking hook hooks the first elastic locking hook.
5. The toolbox with a box-within-a-box structure according to claim 4, characterized in that, It also includes an outer box body; the number of inner box bodies is not less than two; the inner box bodies are housed within the outer box body.
6. The toolbox with a box-within-a-box structure according to claim 5, characterized in that, The inner box body fills the inner cavity of the outer box body.
7. The toolbox with a box-within-a-box structure according to claim 6, characterized in that, The outer box body includes an outer box container, and an outer box flap is hinged to the outer box container. The outer box flap and the outer box container are connected by a snap-fit connection.
8. The toolbox with a box-within-a-box structure according to claim 7, characterized in that, The outer box flap is hinged with a buckle plate, which has a buckle protrusion. The outer box container has a buckle groove that matches the buckle protrusion.
9. The toolbox with a box-within-a-box structure according to claim 8, characterized in that, The top of the outer box body is provided with an upper positioning protrusion or an upper positioning groove, and the bottom of the outer box body is provided with a lower positioning groove that matches the upper positioning protrusion or a lower positioning protrusion that matches the upper positioning groove.
10. The toolbox with a box-within-a-box structure according to claim 9, characterized in that, The outer box body is equipped with a handle.