A dirt-proof corner protector and a travel bag using the same

CN224876173UActive Publication Date: 2026-10-23JIAXING GUANGMAO LUGGAGE ACCESSORIES CO LTD
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Patent Information

Application Number
CN202522665161.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-12-16
Publication Date
2026-10-23
Estimated Expiration
2035-12-16

AI Technical Summary

Technical Problem

[0003]然而,现有技术中虽已设置此类防护结构,但在实际拖行过程中,该防护结构往往仍与地面直接接触,导致其自身产生明显磨损,甚至出现开裂、脱落等问题,反而降低了整体耐用性

Benefits of technology

本实用新型通过在防护罩内侧对称固定两个万向脚轮,使该防护罩兼具防污覆盖与行走支撑的双重功能;同时,在安装罩底部一体成型两个限位底托,并将防护罩直接插装于两个限位底托与外部底支撑结构相对的一侧,从而在垂直方向上形成可靠的限位配合,防止防护罩在使用过程中发生上下窜动;进一步地,在旅行箱包的底支撑架底部设置两个与万向脚轮匹配的收纳槽,使得万向脚轮在静置时可完全嵌入收纳槽内,防护罩覆盖箱包底部以隔绝地面污染物,而在拖行时翻转防护罩,使万向脚轮伸出接触地面,防护罩则脱离地面接触。由此,达到了避免防护结构在拖拽过程中因摩擦而磨损的效果,解决了现有技术中虽设有防护结构但拖行时仍存在磨损的问题。

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Abstract

The utility model belongs to the field of luggage protection technology, and disclose a kind of anti-fouling corner and the travel luggage using the anti-fouling corner, the anti-fouling corner includes protection component and limiting component;Protection component includes protective cover and two symmetrical fixed in its inboard universal caster;Limiting component includes mounting cover and two integrally formed in its bottom limiting bottom support;Protective cover can be directly inserted in two limiting bottom support and the one side of external bottom support structure opposite, form the limiting cooperation of vertical direction.The travel luggage also includes bag body, and its bottom support frame bottom is equipped with two storage grooves, for accommodating universal caster;Protective cover can be reversed and inserted between the gap of limiting bottom support and bottom support frame.The utility model realizes bottom anti-fouling coverage when standing still, makes universal caster contact ground and protective cover is separated from ground when dragging, effectively avoid the abrasion problem caused by friction of protection structure.
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Description

Technical Field

[0001] This utility model belongs to the field of luggage protection technology, specifically a stain-proof corner protector and a travel luggage using the stain-proof corner protector. Background Technology

[0002] With the increasing frequency of travel, luggage designs need to not only fulfill storage functions but also consider ease of use and a clean appearance. Especially in public places such as airports, train stations, and hotels, the bottom of luggage often gets contaminated or even worn due to contact with damp, dirty, or rough surfaces. To address this issue, some luggage products have added a protective cover or removable panel to the bottom, aiming to isolate the luggage from the external environment when stationary, thereby maintaining cleanliness and extending its lifespan.

[0003] However, although such protective structures have been incorporated into existing technologies, they often remain in direct contact with the ground during actual towing, leading to significant wear and tear, and even cracking and detachment, which reduces overall durability.

[0004] Therefore, there is an urgent need for a stain-resistant corner protector and a travel bag using the stain-resistant corner protector to solve the above problems. Utility Model Content

[0005] To address the problems mentioned in the background art, this utility model provides a stain-resistant corner protector and a travel bag using the stain-resistant corner protector.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a dirt-proof corner protector, comprising a protective component and a limiting component; the protective component includes a protective cover and two omnidirectional casters, the two omnidirectional casters being symmetrically fixed to the inner side of the protective cover; the limiting component includes a mounting cover and two limiting base supports, the two limiting base supports being integrally formed at the bottom of the mounting cover; the protective cover can be directly inserted into the two limiting base supports on the side opposite to the external bottom support structure to form a limiting fit in the vertical direction.

[0007] Preferably, the protective assembly further includes two first male buckles with elastic bands, a reserved slot, and a second male buckle with elastic bands. The two first male buckles are installed on the outside of the protective cover by elastic bands, the reserved slot is located at the bottom of the protective cover, and the elastic band on the second male buckle is installed at the reserved slot.

[0008] The first and second male buckles are installed elastically with elastic bands, which facilitates quick connection with the external female buckle structure and accommodates assembly errors.

[0009] Preferably, the limiting component further includes a second female buckle, which is installed on the upper part of the mounting cover by an elastic band and is adapted to be inserted into the second male buckle.

[0010] The second female buckle and the second male buckle form a detachable plug-in connection, which facilitates quick locking and separation between the protective cover and the limiting component.

[0011] To achieve the above objectives, the present invention provides the following technical solution: a travel bag using the anti-fouling corner protector, comprising a bag body, a protective component, and a limiting component. The bag body includes a bottom support frame, the bottom of which is recessed inward and integrally formed with two storage slots. Two universal casters can be respectively embedded in the two storage slots. The protective cover can be flipped and directly inserted into the gap between the two limiting bases and the bottom support frame.

[0012] Preferably, the bag body further includes a soft part sewn above the bottom support frame, and a first female buckle with an elastic band is sewn onto its outer surface near the bottom.

[0013] The first female buckle is flexibly fixed to the soft part by an elastic band, which facilitates alignment and insertion with the first male buckle and adapts to the deformation of the soft part.

[0014] Preferably, the first female buckle is plugged into and adapted to the first male buckle on the protective component.

[0015] The insertion and engagement of the first male buckle and the first female buckle ensures that the protective cover is stably connected to the bag body, preventing it from falling off.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows: This invention utilizes two symmetrically fixed universal casters inside the protective cover, giving it the dual functions of dirt protection and walking support. Simultaneously, two integrally formed limiting bases are installed at the bottom of the cover, and the protective cover is directly inserted into the two limiting bases on the side opposite to the external bottom support structure, thus forming a reliable limiting fit in the vertical direction to prevent the protective cover from shifting up and down during use. Furthermore, two storage slots matching the universal casters are provided at the bottom of the luggage's bottom support frame, allowing the universal casters to be fully embedded in the storage slots when stationary, with the protective cover covering the bottom of the luggage to isolate it from ground contaminants. When dragging, the protective cover is flipped over, allowing the universal casters to extend and contact the ground, while the protective cover detaches from the ground. This effectively prevents the protective structure from wearing down due to friction during dragging, solving the problem of wear and tear that still occurs in existing technologies despite having a protective structure. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the anti-fouling corner protector structure of this utility model; Figure 2 This is a schematic diagram of the protective component of this utility model from one perspective; Figure 3 This is a schematic diagram of the protective component of this utility model from another perspective; Figure 4This is a front view cross-sectional structural diagram of the anti-fouling corner protector of this utility model; Figure 5 This is a schematic diagram of the limiting component structure of this utility model; Figure 6 This is a schematic diagram of a state structure of the present invention; Figure 7 This is a schematic diagram of another state structure of the present invention; Figure 8 This is a schematic diagram of the connection structure between the package body and the limiting component of this utility model.

[0018] In the diagram: 1. Protective component; 11. Protective cover; 12. First male buckle; 13. Universal caster; 14. Reserved slot; 15. Second male buckle; 2. Limiting component; 21. Mounting cover; 22. Limiting base; 23. Second female buckle; 3. Bag body; 31. Base support frame; 311. Storage slot; 32. Soft part; 321. First female buckle. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Example 1 like Figures 1 to 8 As shown, this utility model provides a stain-proof corner protector, including a protective component 1 and a limiting component 2; The protective component 1 includes a protective cover 11, a first male buckle 12, swivel casters 13, a reserved groove 14, and a second male buckle 15. The protective cover 11 is a rigid arc-shaped shell, with two first male buckles 12 installed on its outer side by elastic bands, and two swivel casters 13 symmetrically fixed on its inner side. The bottom of the protective cover 11 is provided with a reserved groove 14, and the second male buckle 15 is provided with an elastic band, which is connected to the reserved groove 14, so that the second male buckle 15 is elastically fixed to the bottom area of ​​the protective cover 11. The limiting component 2 includes a mounting cover 21, a limiting base 22, and a second female buckle 23. The mounting cover 21 has a semi-arc structure, and its bottom is integrally formed with two limiting bases 22. The two limiting bases 22 are symmetrically arranged along the length of the mounting cover 21, forming an opening gap facing the external bottom support structure. The upper part of the mounting cover 21 is equipped with a second female buckle 23 by an elastic band. The second female buckle 23 is plugged into and adapted to the second male buckle 15. In use, the protective cover 11 can be directly inserted into the side of the two limiting bases 22 opposite to the bottom support frame 31, that is, inserted into the vertical gap formed by the two limiting bases 22 and the bottom support frame 31, thereby achieving stable limiting in the vertical direction and preventing vertical movement.

[0021] The above solution is adopted: by integrating the omnidirectional caster 13 into the inner side of the protective cover 11 and cooperating with the limiting base 22 to achieve bidirectional support switching, the anti-fouling corner protector can flexibly switch between the two states of covering and anti-fouling and dragging movement; the second male buckle 15 and the second female buckle 23 achieve quick locking through plug-in cooperation, and the elastic band serves as an elastic mounting base, which is convenient for disassembly and fine-tuning of position; the protective cover 11 is directly inserted into the gap between the limiting base 22 and the bottom support frame 31 to form a mechanical limit, which effectively prevents vertical deviation during use.

[0022] Example 2 like Figures 1 to 8 As shown, this utility model provides a travel bag using the anti-fouling corner protector, including a protective component 1, a limiting component 2, and a bag body 3; The bag body 3 includes a bottom support frame 31 and a soft part 32; the bottom support frame 31 is a rigid shell with two storage slots 311 integrally formed with an inwardly recessed bottom, the positions and sizes of the two storage slots 311 being matched with the universal casters 13; the soft part 32 is sewn above the bottom support frame 31 for storing items, and a first female buckle 321 with an elastic band is sewn onto its outer surface near the bottom, the first female buckle 321 being flexibly connected to the soft part 32 by the elastic band; The protective component 1 includes a protective cover 11, a first male buckle 12, swivel casters 13, a reserved groove 14 and a second male buckle 15; two swivel casters 13 are fixed inside the protective cover 11, two first male buckles 12 are installed on the outside through elastic bands, a reserved groove 14 is provided at the bottom, and the second male buckle 15 is connected to the reserved groove 14 through the elastic band on it. The limiting component 2 includes a mounting cover 21, a limiting base 22, and a second female buckle 23. The mounting cover 21 has a semi-arc structure and is fixedly connected to the bottom of the bottom support frame 31 by screws. Two limiting bases 22 are integrally formed at the bottom, and the second female buckle 23 is installed on the upper part by an elastic band. The second female buckle 23 is plugged into and adapted to the second male buckle 15. In use, the protective cover 11 can be flipped and directly inserted into the gap between the two limiting bases 22 and the bottom support frame 31. This gap is defined by the inner side of the two limiting bases 22 and the outer side of the bottom support frame 31, forming a clamping and limiting of the protective cover 11 in the vertical direction.

[0023] The above solution is adopted as follows: When the protective cover 11 is flipped to the upward position, the swivel casters 13 are fully embedded in the storage groove 311. The protective cover 11 is locked by the double insertion of the first male buckle 12 and the first female buckle 321, and the second male buckle 15 and the second female buckle 23, forming a closed bottom cover, effectively isolating ground pollutants. When flipped to the downward position, the swivel casters 13 extend and contact the ground. The limiting base 22 provides clamping support for the protective cover 11. The first male buckle 12 and the first female buckle 321, and the second male buckle 15 and the second female buckle 23 remain connected to ensure dragging stability. At this time, the protective cover 11 is directly inserted into the gap between the limiting base 22 and the bottom support frame 31 to avoid vertical shaking. The elastic band serves as a flexible mounting base for the first male buckle 12 and the first female buckle 321, and the second male buckle 15 and the second female buckle 23, which not only ensures the reliability of the connection, but also facilitates user operation.

[0024] The working principle and usage process of this utility model are as follows: In the initial state, the protective cover 11 of the protective component 1 is flipped to the upward position, so that the swivel casters 13 are located inside the protective cover 11 and embedded in the storage groove 311 of the base support frame 31. At this time, the swivel casters 13 do not contact the ground, thus preventing dirt from entering.

[0025] Subsequently, the protective cover 11 is inserted and connected to the first female buckle 321 on the soft part 32 through the first male buckle 12 on its outer side. At the same time, the second male buckle 15 on the protective cover 11 is inserted into the second female buckle 23 of the limiting component 2, and the protective cover 11 is directly inserted into the gap between the limiting base 22 and the bottom support frame 31 to complete the locking between the protective component 1 and the limiting component 2, forming a comprehensive protection for the bottom of the bag body 3, preventing ground dust, damp environment, etc. from contaminating the bottom of the bag.

[0026] When it is necessary to move the suitcase, flip the protective cover 11 to the downward position so that the swivel casters 13 extend from the storage slot 311 and touch the ground. At this time, the swivel casters 13 can rotate freely, making it convenient for the user to drag and move the suitcase.

[0027] During this process, the protective cover 11 remains stably connected through the first male buckle 12 and the first female buckle 321, the second male buckle 15 and the second female buckle 23, and the protective cover 11 is directly inserted into the gap between the limiting base 22 and the bottom support frame 31, ensuring the structural reliability during the towing process.

[0028] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A stain-resistant corner protector, characterized in that: It includes a protective component (1) and a limiting component (2); the protective component (1) includes a protective cover (11) and two omnidirectional casters (13), the two omnidirectional casters (13) being symmetrically fixed inside the protective cover (11); the limiting component (2) includes a mounting cover (21) and two limiting bases (22), the two limiting bases (22) being integrally formed on the bottom of the mounting cover (21); the protective cover (11) can be directly inserted into the two limiting bases (22) on the side opposite to the external bottom support structure to form a limiting fit in the vertical direction.

2. The anti-fouling corner protector according to claim 1, characterized in that: The protective component (1) also includes two first male buckles (12) with elastic bands, a reserved groove (14) and a second male buckle (15) with elastic bands. The two first male buckles (12) are installed on the outside of the protective cover (11) by elastic bands. The reserved groove (14) is located at the bottom of the protective cover (11). The elastic band on the second male buckle (15) is installed at the reserved groove (14).

3. The anti-fouling corner protector according to claim 1, characterized in that: The limiting component (2) also includes a second female buckle (23), which is installed on the upper part of the mounting cover (21) by an elastic band and is adapted to be inserted into the second male buckle (15).

4. A type of travel bag using stain-resistant corner protectors, characterized in that, The package includes a main body (3), a protective component (1), and a limiting component (2). The main body (3) includes a bottom support frame (31). The bottom support frame (31) has two storage slots (311) that are recessed inward at the bottom and integrally formed. Two universal casters (13) can be embedded into the two storage slots (311) respectively. The protective cover (11) can be flipped and directly inserted into the gap between the two limiting bases (22) and the bottom support frame (31).

5. The travel bag with anti-fouling corner protectors according to claim 4, characterized in that: The bag body (3) also includes a soft part (32), which is sewn above the bottom support frame (31) and has a first female buckle (321) with elastic band sewn on its outer surface near the bottom.

6. The travel bag with anti-fouling corner protectors according to claim 5, characterized in that: The first female buckle (321) is plugged into and adapted to the first male buckle (12) on the protective component (1).