Multilayer luggage case capable of increasing accommodating space
The multi-layered design of the suitcase, utilizing sliding connections and zipper structures for extended shelves and fabric extensions, solves the problem of insufficient suitcase space, achieving flexible storage expansion and convenient organization.
Patent Information
- Application Number
- CN202520659168.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-09
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-09
AI Technical Summary
Traditional suitcases have fixed storage space that cannot be effectively expanded, resulting in insufficient space in small suitcases and excessive space occupied by large suitcases during daily use, thus affecting their usability.
Design a multi-layered suitcase containing extended shelves and extended fabric layers. Space expansion is achieved through sliding connections and zipper structures, and the lid can be folded up for storage to reduce space occupation.
It enables flexible expansion of the suitcase space, increases storage capacity, reduces daily space occupation, and enhances ease of use.
Smart Images

Figure CN223943939U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of luggage, specifically to a multi-layer luggage improving containing space. BACKGROUND
[0002] Luggage, also called travel box or trolley case, is a box used to place articles when going out, and it is one of the types of luggage, and usually the luggage is used to place clothes, personal care articles and souvenirs needed on a journey.
[0003] The conventional luggage has single structure and fixed storage space, cannot be effectively expanded for use, the small-sized luggage has small storage space and is inconvenient to use, and the large-sized luggage has enough space, but is large in size, is inconvenient to store when not used daily, occupies large storage space and affects use effect.
[0004] Therefore, the multi-layer luggage improving containing space is provided to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model solves technical problems by adopting the technical scheme of a multi-layer luggage improving containing space, which comprises a box body and a box cover, the box body is provided with an extension layer plate, the extension layer plate is slidably connected with the inner wall of the box body, the bottom of the extension layer plate is fixedly connected with a limiting plate, the box cover is hingedly connected with the extension layer plate, and the box cover, the extension layer plate and the box body are all fixed by corresponding zippers.
[0006] As a preferred technical scheme of the utility model, the box cover is provided with an expansion layer cloth, the expansion layer cloth is fixed with the box cover through a zipper structure, the upper teeth of the zipper structure are fixed on the expansion layer cloth, the lower teeth of the zipper structure are fixed on the box cover, and the zipper structure pull lock is located on the expansion layer cloth.
[0007] As a preferred technical scheme of the utility model, the box body is provided with a pull handle mounting rod on one side, the pull handle mounting rod is fixedly connected with the box body, a pull handle is slidably mounted on the pull handle mounting rod, universal wheels are fixedly connected with the bottom of the box cover and the box cover, and self-locking structures are arranged on each universal wheel.
[0008] As a preferred technical scheme of the utility model, the expansion layer cloth is designed to be foldable, when the zipper structure is pulled and locked, the expansion layer cloth is folded in the box cover, when the zipper structure is pulled and unlocked, the expansion layer cloth is unfolded, and the expansion layer cloth is made of oxford cloth material.
[0009] As a preferred technical scheme of the utility model, the top auxiliary handle is arranged on the top of the box body, the top auxiliary handle is fixedly connected with the box body, the side auxiliary handle is arranged on the side wall of the box body, and the side auxiliary handle is fixedly connected with the side wall of the box body.
[0010] The utility model has the advantages that: through the setting of the extension layer plate, when the space of the box body is insufficient, the extension layer plate is pulled out to expand the three-dimensional storage space of the box body, the storage capacity of the equipment is improved, through the setting of the extension layer cloth, the extension layer cloth is unfolded by opening the zipper structure, the box cover is expanded to further improve the storage space of the equipment, when the equipment is placed after use, the extension layer plate is slid into the box body, the extension layer cloth is folded and stored in the box cover and locked through the zipper structure, the space occupation of the equipment is effectively reduced, and the convenience of storage is improved. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is a side view structural schematic diagram of a preferred embodiment of the utility model;
[0012] Figure 2 It is an unfolded structure schematic diagram of a preferred embodiment of the utility model;
[0013] Figure 3 It is an extension layer cloth unfolded structure schematic diagram of a preferred embodiment of the utility model;
[0014] Figure 4 It is a front view structural schematic diagram of a preferred embodiment of the utility model.
[0015] Mark 1, box body; 2, box cover; 3, extension layer plate; 4, pull handle mounting rod; 5, pull handle; 6, universal wheel; 7, extension layer cloth; 8, zipper structure; 9, side auxiliary handle; 10, top auxiliary handle. DETAILED DESCRIPTION
[0016] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, can be fixed connection, can be detachable connection, or integrally connected; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.
[0017] The utility model will be further described below in combination with the drawings.
[0018] EMBODIMENT
[0019] Please combine with reference toFigures 1-4 The utility model discloses a multilayer luggage of improving containing space, including box 1 and lid 2, be provided with extension layer board 3 on box 1, and extension layer board 3 and box 1 inner wall sliding connection, and extension layer board 3 bottom fixed connection has limit board, and lid 2 is hinged with extension layer board 3, and lid 2 and extension layer board 3 and box 1 can be connected and fixed through corresponding zip fastener.
[0020] The utility model discloses a multilayer luggage of improving containing space, including box 1 and lid 2, be provided with extension layer board 3 on box 1, and extension layer board 3 and box 1 inner wall sliding connection, and extension layer board 3 bottom fixed connection has limit board, and lid 2 is hinged with extension layer board 3, and lid 2 and extension layer board 3 and box 1 can be connected and fixed through corresponding zip fastener.
[0021] The utility model discloses a multilayer luggage of improving containing space, including box 1 and lid 2, be provided with extension layer board 3 on box 1, and extension layer board 3 and box 1 inner wall sliding connection, and extension layer board 3 bottom fixed connection has limit board, and lid 2 is hinged with extension layer board 3, and lid 2 and extension layer board 3 and box 1 can be connected and fixed through corresponding zip fastener.
[0022] The utility model discloses a multilayer luggage of improving containing space, including box 1 and lid 2, be provided with extension layer board 3 on box 1, and extension layer board 3 and box 1 inner wall sliding connection, and extension layer board 3 bottom fixed connection has limit board, and lid 2 is hinged with extension layer board 3, and lid 2 and extension layer board 3 and box 1 can be connected and fixed through corresponding zip fastener.
[0023] The utility model discloses a multilayer luggage of improving containing space, including box 1 and lid 2, be provided with extension layer board 3 on box 1, and extension layer board 3 and box 1 inner wall sliding connection, and extension layer board 3 bottom fixed connection has limit board, and lid 2 is hinged with extension layer board 3, and lid 2 and extension layer board 3 and box 1 can be connected and fixed through corresponding zip fastener.
Claims
1. A multi-layered space-enhancing luggage case comprising a case body (1) and a case cover (2), characterized in that, The box (1) is provided with an extension layer plate (3), the extension layer plate (3) is in sliding connection with the inner wall of the box (1), the bottom of the extension layer plate (3) is fixedly connected with a limiting plate, the box cover (2) is hinged with the extension layer plate (3), and the box cover (2), the extension layer plate (3) and the box (1) can be connected and fixed through corresponding zippers.
2. The multi-layered space-enhancing luggage of claim 1, wherein, The box cover (2) is provided with an extension layer cloth (7), the extension layer cloth (7) is connected and fixed with the box cover (2) through a zipper structure (8), the upper teeth of the zipper structure (8) are fixed on the extension layer cloth (7), the lower teeth of the zipper structure (8) are fixed on the box cover (2), and the zipper structure (8) pull lock is located on the extension layer cloth (7).
3. The multi-layered space-enhancing luggage of claim 1, wherein, The box (1) is provided with a pull handle mounting rod (4) on one side, the pull handle mounting rod (4) is fixedly connected with the box (1), the pull handle (5) is slidably mounted on the pull handle mounting rod (4), the box (1) and the bottom of the box cover (2) are fixedly connected with universal wheels (6), and each universal wheel (6) is provided with a self-locking structure.
4. The multi-layered space-enhancing luggage of claim 2, wherein, The extension layer cloth (7) is designed to be folded, when the zipper structure (8) is pulled and locked, the extension layer cloth (7) is folded in the box cover (2), the zipper structure (8) is pulled and unlocked, the extension layer cloth (7) is unfolded, and the extension layer cloth (7) is made of oxford cloth material.
5. The multi-layered space-enhancing luggage of claim 1, wherein, The top of the box (1) is provided with a top auxiliary handle (10), the top auxiliary handle (10) is fixedly connected with the box (1), the side wall of the box (1) is provided with a side auxiliary handle (9), and the side auxiliary handle (9) is fixedly connected with the side wall of the box (1).