Suitcase capable of being expanded and stored
Through the combined design of flexible expansion layer and support plate, the loading difficulties and depression problems of the suitcase when the items exceed the contents, and a stable expansion and convenient folding suitcase is achieved.
Patent Information
- Application Number
- CN202422148361.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-03
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-09-03
AI Technical Summary
Existing suitcases are difficult to fully load when items are exceeded, and the box is recessed due to the lack of internal support.
Design an expandable suitcase, through a combination of flexible expansion layer and support plate, the expansion and folding of the box is achieved using zippers and fixtures, equipped with universal wheels and support straight plates for enhanced stability.
It realizes stable support and folding and portable support for the suitcase in the expanded capacity, solves the loading problem when the items exceed the limit and improves the user experience.
Smart Images
Figure CN223068111U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of suitcases, in particular to an expandable and retractable suitcase. Background Art
[0002] Designed for long-distance travel, usually there are two types: hard shell and soft shell. Hard shell suitcases are usually made of materials such as ABS and PC, which are drop-resistant and pressure-resistant; soft shell suitcases are mostly made of nylon or polyester fiber, which are light and have certain elasticity. Suitcases come in different sizes to suit different lengths of travel needs.
[0003] Although the existing suitcases have different sizes, during use, it is inevitable that there will be a situation where items exceed the capacity, making it difficult to fit all items into them. Therefore, currently, there are suitcases that can be expanded using zippers in combination with an expansion layer. However, during use, due to the lack of internal support, the box body often sags. Therefore, this application proposes an expandable and retractable suitcase. Content of the Utility Model
[0004] In view of the deficiencies of the prior art, the utility model provides an expandable and retractable suitcase, which solves the problem that during use, it is inevitable that there will be a situation where items exceed the capacity, making it difficult to fit all items into them. Therefore, currently, there are suitcases that can be expanded using zippers in combination with an expansion layer. However, during use, due to the lack of internal support, the box body often sags.
[0005] To achieve the above objectives, the utility model is realized through the following technical solutions: An expandable and retractable suitcase, including a box body, the box body includes a lower cover and an upper cover, the lower edge of the upper cover and the upper edge of the lower cover are connected by a flexible expansion layer, a support plate is provided inside the box body, the lower side of the support plate is connected to the lower part inside the box body, the upper side of the support plate is a movable end, a handle is provided outside the flexible expansion layer, the inside of the handle penetrates through a position below the middle of the flexible expansion layer and then is connected to the support plate, a first fixing member for fixing the movable end of the support plate is provided in the upper part inside the box body, and the first fixing member is detachably connected to the movable end of the support plate;
[0006] When the first fixing member is connected to the movable end of the support plate, the flexible expansion layer makes the box body in an expanded state under the support of the support plate; when the first fixing member is disassembled from the movable end of the support plate, the support plate, the flexible expansion layer and the handle can be folded inward together to make the box body in a folded state.
[0007] Preferably, the upper cover includes a middle frame and a box cover, one side of the middle frame and the box cover is rotatably connected, and a first zipper that can be opened and closed is provided between the middle frame and the box cover.
[0008] Preferably, a second zipper is provided on the outer side of the flexible expansion layer.
[0009] Preferably, the box body is provided with universal wheels.
[0010] Preferably, a support straight plate adapted to the flexible expansion layer is further provided inside the box body. The lower edge of the support straight plate is connected to the inner side of the lower cover, and the upper edge of the support straight plate is detachably clamped to the inner side of the upper cover through a second fixing member.
[0011] Preferably, a plurality of the support straight plates are provided inside the box body, and the plurality of support straight plates are respectively arranged on the inner side walls of the box body.
[0012] Preferably, a connecting block is provided on the side surface of the handle, and the connecting block passes through the flexible expansion layer and is fixedly connected to the lower side of the side surface of the support plate.
[0013] Preferably, a connecting block is provided on the side surface of the handle, and the connecting block passes through the flexible expansion layer and is fixedly connected to the lower side of the side surface of one of the support plates.
[0014] The utility model discloses a collapsible and expandable suitcase, and the beneficial effects thereof are as follows:
[0015] 1. During the use of the collapsible and expandable suitcase, when the first fixing member is connected to the movable end of the support plate, the flexible expansion layer makes the box body in an expanded state under the support of the support plate; when the first fixing member is disassembled from the movable end of the support plate, the support plate, the flexible expansion layer and the handle can be folded inward together to make the box body in a folded state.
[0016] 2. During the use of the collapsible and expandable suitcase, when it is necessary to expand the internal space of the box body, pull the second zipper provided on the outer side of the flexible expansion layer, so that the two side tapes of the second zipper are separated accordingly. At this time, the compressed flexible expansion layer can be unfolded, and then the support plate and a plurality of support straight plates are rotated upward in sequence and fixed through the first fixing member and the second fixing member respectively, so that the support plate and a plurality of support straight plates can support the flexible expansion layer, making the structure of the expanded box body more stable. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0018] Figure 1 Schematic diagram of the structure of the present utility model;
[0019] Figure 2 Schematic diagram of the expanded state of the flexible expansion layer of the present utility model;
[0020] Figure 3 Partial cross-sectional view of the expanded state of the present utility model;
[0021] Figure 4 Partial cross-sectional view of the normal state of the present utility model.
[0022] In the figure: 1, box body; 11, lower cover; 111, universal wheel; 12, upper cover; 121, middle frame; 122, box cover; 13, flexible expansion layer; 2, support plate; 3, handle; 31, connecting block; 4, first fixing member; 5, second zipper; 6, support straight plate; 7, second fixing member. Specific embodiments
[0023] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings of the specification and specific embodiments.
[0024] An embodiment of the present utility model discloses an expandable and foldable suitcase. As shown in the attached Figures 1-4 figure, it includes a box body 1, the box body 1 includes a lower cover 11 and an upper cover 12, the lower edge of the upper cover 12 and the upper edge of the lower cover 11 are connected by a flexible expansion layer 13, a support plate 2 is arranged inside the box body 1, the lower side of the support plate 2 is connected to the lower part inside the box body 1, the upper side of the support plate 2 is a movable end, a handle 3 is arranged outside the flexible expansion layer 13, the inner side of the handle 3 penetrates through the middle part of the flexible expansion layer 13 below and then is connected to the support plate 2, and a first fixing member 4 for fixing the movable end of the support plate 2 is arranged at the upper part inside the box body 1, and the first fixing member 4 is detachably connected to the movable end of the support plate 2;
[0025] When the first fixing member 4 is connected to the movable end of the support plate 2, the flexible expansion layer 13 makes the box body 1 in an expanded state under the support of the support plate 2; when the first fixing member 4 is disassembled from the movable end of the support plate 2, the support plate 2, the flexible expansion layer 13 and the handle 3 can be folded inward together to make the box body 1 in a folded state.
[0026] Further, the upper cover 12 includes a middle frame 121 and a box cover 122, one side of the middle frame 121 and the box cover 122 is rotatably connected, and a first zipper that can be opened and closed is arranged between the middle frame 121 and the box cover 122.
[0027] Further, a second zipper 5 is arranged outside the flexible expansion layer 13.
[0028] Further, the box body 1 is provided with universal wheels 111.
[0029] Furthermore, a supporting straight plate 6 adapted to the flexible expansion layer 13 is also provided inside the box body 1. The lower edge of the supporting straight plate 6 is connected to the inside of the lower cover 11, and the upper edge of the supporting straight plate 6 is detachably clamped to the inside of the upper cover 12 through a second fixing member 7.
[0030] Furthermore, a plurality of supporting straight plates 6 are provided inside the box body 1, and the plurality of supporting straight plates 6 are respectively arranged on the inner side walls of the box body 1.
[0031] Furthermore, a connecting block 31 is arranged on the side surface of the handle 3, and the connecting block 31 passes through the flexible expansion layer 13 and is fixedly connected to the lower part of the side surface of the supporting plate 2.
[0032] During the use process, when it is necessary to expand the internal space of the box body 1, pull the second zipper 5 arranged on the outer side of the flexible expansion layer 13, so that the two side tapes of the second zipper 5 are separated accordingly. At this time, the compressed flexible expansion layer 13 can be unfolded. Then, the supporting plate 2 and the plurality of supporting straight plates 6 are rotated upward in sequence, and they are respectively fixed through the first fixing member 4 and the second fixing member 7, so that the supporting plate 2 and the plurality of supporting straight plates 6 can support the flexible expansion layer 13, making the structure of the expanded box body 1 more stable;
[0033] When it is necessary to compress the flexible expansion layer 13, open the supporting plate 2 and the supporting straight plate 6 connected to the first fixing member 4 and the second fixing member 7, and then pull the second zipper 5. At this time, compress the flexible expansion layer 13. Because the handle 3 is arranged below one side of the flexible expansion layer 13 and the handle 3 is connected to the supporting plate 2, when the supporting plate 2 rotates inward, the handle 3 is automatically clamped inside the compressed flexible expansion layer 13, thereby realizing automatic hiding of the handle 3.
[0034] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection required by the present invention is defined by the appended claims and their equivalents.
Claims
1. A travel suitcase that can be expanded and stored, comprising a box body (1), characterized in that: The box body (1) includes a lower cover (11) and an upper cover (12). The lower edge of the upper cover (12) and the upper edge of the lower cover (11) are connected by a flexible expansion layer (13). A support plate (2) is provided inside the box body (1). The lower side of the support plate (2) is connected to the lower part inside the box body (1). The upper side of the support plate (2) is a movable end. A handle (3) is provided outside the flexible expansion layer (13). The inner side of the handle (3) penetrates through a position below the middle of the flexible expansion layer (13) and then is connected to the support plate (2). An upper part inside the box body (1) is provided with a first fixing member (4) for fixing the movable end of the support plate (2). The first fixing member (4) is detachably connected to the movable end of the support plate (2). When the first fixing member (4) is connected to the movable end of the support plate (2), the flexible expansion layer (13) makes the box body (1) in an expanded state under the support of the support plate (2). When the first fixing member (4) is detached from the movable end of the support plate (2), the support plate (2), the flexible expansion layer (13) and the handle (3) can be folded inward together so that the box body (1) is in a folded state.
2. The expandable and collapsible suitcase according to claim 1, wherein The upper cover (12) includes a middle frame (121) and a box cover (122). One side of the middle frame (121) and the box cover (122) is rotatably connected. A first zipper that can be opened and closed is provided between the middle frame (121) and the box cover (122).
3. The expandable and collapsible suitcase according to claim 1, characterized in that, A second zipper (5) is provided outside the flexible expansion layer (13).
4. A collapsible and expandable suitcase according to claim 1, wherein The box body (1) is provided with universal wheels (111).
5. A collapsible and expandable suitcase according to claim 1, characterized in that, The inner side of the box body (1) is further provided with a support straight plate (6) adapted to the flexible expansion layer (13). The lower edge of the support straight plate (6) is connected to the inner side of the lower cover (11). The upper edge of the support straight plate (6) and the inner side of the upper cover (12) are detachably clamped through a second fixing member (7).
6. The expandable and collapsible suitcase according to claim 5, wherein: A plurality of the support straight plates (6) are provided inside the box body (1). The plurality of support straight plates (6) are respectively arranged on the inner side walls of the box body (1).
7. The expandable and collapsible suitcase according to claim 1, characterized in that, A connecting block (31) is provided on the side surface of the handle (3), and the connecting block (31) passes through the flexible expansion layer (13) and is fixedly connected to the lower part of the side surface of the support plate (2).