Luggage with aluminum frame opening and closing structure
By setting fixing grooves and mating grooves in the aluminum frame structure, and utilizing the cooperation of sealing strips and clips, the problems of support strength, impact resistance and sealing performance of zippered bags are solved, achieving a higher level of waterproof and dustproof performance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGDONG BINHAO TRAVELWARE
- Filing Date
- 2025-06-26
- Publication Date
- 2026-07-24
AI Technical Summary
Existing zippered bags lack sufficient structural strength and impact resistance. The zipper structure is easily damaged, and the sealing performance is poor, allowing rainwater and dust to easily enter, thus reducing their practicality.
The aluminum frame structure with a fixing groove and a mating groove is adopted. The sealing strip is clamped on the mating groove, and the clamp head presses the sealing strip on the fixing groove to improve the sealing performance between the aluminum frames.
The waterproof and dustproof performance of the bags has been enhanced, improving their practicality.
Smart Images

Figure CN224539638U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a bag structure, and more particularly to a bag with an aluminum frame opening and closing structure. Background Technology
[0002] Bags and luggage are a general term for containers used to store and carry items. They can be categorized by purpose into suitcases (travel cases), backpacks, handbags, business bags, outdoor bags, etc. Among them, suitcases are the most common travel items, typically consisting of a case body, pull handle, wheels, locks, and other components.
[0003] There are two main types of closures for luggage: zippers and aluminum frames. Zippered luggage suffers from drawbacks such as insufficient structural strength, poor impact resistance, and the zipper structure being easily damaged. Therefore, while aluminum-framed luggage is more expensive and bulkier, it remains popular with consumers. Furthermore, existing aluminum-framed luggage generally has poor sealing, allowing rainwater and dust to easily enter through the joints, causing inconvenience and reducing its practicality. Utility Model Content
[0004] Therefore, it is necessary to provide a bag with an aluminum frame opening and closing structure to address the shortcomings of existing technologies.
[0005] A suitcase with an aluminum frame opening and closing structure includes a first case shell, a second case shell, and an aluminum frame assembly. The aluminum frame assembly includes a first aluminum frame, a second aluminum frame, a sealing strip, and several fasteners. The first aluminum frame is mounted on the first case shell via fasteners, and the second aluminum frame is mounted on the second case shell via fasteners. The sealing strip is mounted on the second aluminum frame. The first aluminum frame includes a first surrounding section, a connecting section, and a first mating section. The connecting section connects the first surrounding section and the first mating section on both sides along the height direction, and the first mating section has a locking head. The second aluminum frame includes a second surrounding section and a second mating section. The second mating section has a mating groove and a fixing groove. The fixing groove extends inward from the end of the second mating section away from the second surrounding section and is located inside the mating groove. The sealing strip is engaged in the fixing groove of the second aluminum frame. When the first case shell is placed on the second case shell, the locking head of the first aluminum frame extends from the mating groove of the second aluminum frame and presses the sealing strip, which is fixed in the fixing groove, tightly.
[0006] In one embodiment, the cross-sectional width of the card head gradually narrows from the direction away from the connecting section, and the groove width of the fixing groove is wider at the outside and narrower at the inside. When the first shell is placed on the second shell, the two sides of the card head are in contact with the groove wall of the fixing groove.
[0007] In one embodiment, the fixing groove is connected to the mating groove, and the groove width at the connecting position is smaller than the groove width of the fixing groove near the connecting position.
[0008] In one embodiment, the groove wall in the cross-sectional direction of the fixing groove is arc-shaped, and the cross-sectional shape of the sealing strip corresponds to the fixing groove, wherein the cross-sectional shape of the sealing strip is circular.
[0009] In one embodiment, the first mating section has a first mating surface on both sides of the card head, and the second mating section has a second mating surface on both sides of the mating groove opening. When the first box shell is placed on the second box shell, the first mating surface and the second mating surface are in contact.
[0010] In one embodiment, the inner side of the first enclosure segment is provided with a first slot, the inner side of the second enclosure segment is provided with a second slot, the opening portion of the first housing is engaged in the first slot, and the opening portion of the first housing is respectively attached to the side wall and bottom wall of the first slot, the opening portion of the second housing is engaged in the second slot, and the opening portion of the second housing is respectively attached to the side wall and bottom wall of the second slot.
[0011] In one embodiment, the sidewalls and bottom wall of the first slot are L-shaped, and the sidewalls and bottom wall of the second slot are L-shaped.
[0012] In one embodiment, the first aluminum frame has a plurality of first fixing holes on the first surrounding section, and the second aluminum frame has a plurality of second fixing holes on the second surrounding section. Some fixing members pass through the first fixing holes and fix the first housing to the first aluminum frame, and some fixing members pass through the second fixing holes and fix the second housing to the second aluminum frame.
[0013] In one embodiment, the first fixing holes are evenly spaced around the shape of the first surrounding section, and the first fixing holes penetrate the first surrounding section in a horizontal direction and are connected to the first slot.
[0014] In one embodiment, the second fixing holes are evenly spaced around the outline of the second surrounding section, and the second fixing holes penetrate the second surrounding section in a horizontal direction and are connected to the second slot.
[0015] The beneficial effects of this utility model of a bag with an aluminum frame opening and closing structure are as follows: by setting a fixing groove and a mating groove on the second aluminum frame, the sealing strip is snapped into the mating groove, and a clip is set on the second aluminum frame, when the first box shell is placed on the second box shell, the clip of the first aluminum frame extends from the mating groove of the second aluminum frame and presses the sealing strip fixed on the fixing groove, thereby improving the sealing performance between the first aluminum frame and the second aluminum frame, improving the waterproof and dustproof performance of the bag, and making it highly practical. Attached Figure Description
[0016] Figure 1 This is a structural diagram of the bag with an aluminum frame opening and closing structure according to this utility model;
[0017] Figure 2 This is an exploded view of the aluminum frame assembly in this utility model;
[0018] Figure 3 This is a cross-sectional view of the aluminum frame assembly after disassembly in this utility model;
[0019] Figure 4 This is a cross-sectional view of the aluminum frame assembly in this utility model during installation.
[0020] Figure 5 for Figure 2 Enlarged view of part A in the middle circle;
[0021] Figure 6 for Figure 3 Enlarged view of section B in the middle circle;
[0022] Figure 7 for Figure 4 Enlarged view of section C in the middle circle. Detailed Implementation
[0023] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.
[0024] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0025] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0026] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0027] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0028] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.
[0029] Please see Figures 1 to 7 This utility model provides a bag with an aluminum frame opening and closing structure, including a first box shell 10, a second box shell 20, an aluminum frame assembly 30, and a lock (not shown). The aluminum frame assembly 30 includes a first aluminum frame 50, a second aluminum frame 60, a sealing strip 70, and several fixing members 40. The first aluminum frame 50 is installed on the first box shell 10 through the fixing members 40, and the second aluminum frame 60 is installed on the second box shell 20 through the fixing members 40. The sealing strip 70 is installed on the second aluminum frame 60. When the first box shell 10 is placed on the second box shell 20, the first aluminum frame 50 extends into the second aluminum frame 60 and squeezes the sealing strip 70. Then, the lock is used to lock the first box shell 10 and the second box shell 20.
[0030] The first aluminum frame 50 is generally frame-shaped and includes a first surrounding section 51, a connecting section 52, and a first mating section 53. The first surrounding section 51, the first mating section 53, and the connecting section 52 are all distributed around the outer shape of the first aluminum frame 50. The connecting section 52 connects the first surrounding section 51 and the first mating section 53 on both sides along the height direction. A first slot 511 is provided on the inner side of the first surrounding section 51, distributed around the entire outer shape of the first surrounding section 51. The sidewalls and bottom wall of the first slot 511 are L-shaped, and the first slot 511 extends to the end face of the first surrounding section 51 facing away from the connecting section 52. Furthermore, the first aluminum frame 50 has a plurality of first fixing holes 512 on the first surrounding section 51, evenly spaced around the outer shape of the first surrounding section 51. The first fixing holes 512 penetrate the first surrounding section 51 horizontally and communicate with the first slots 511.
[0031] The first mating section 53 is provided with a locking head 531, which is distributed around the overall shape of the first mating section 53. The cross-section of the locking head 531 is roughly conical, and the width of the cross-section of the locking head 531 gradually narrows from the direction away from the connecting section 52. The first mating section 53 is provided with a first mating surface 532 on both sides of the locking head 531.
[0032] The second aluminum frame 60 is generally frame-shaped, comprising a second surrounding section 61 and a second mating section 62. Both the second surrounding section 61 and the second mating section 62 are distributed around the outer shape of the second aluminum frame 60. The first surrounding section 51 is connected to the second mating section 62 along its height direction. A second slot 611 is provided on the inner side of the second surrounding section 61, distributed around the entire outer shape of the second surrounding section 61. The sidewalls and bottom wall of the second slot 611 are L-shaped, and the second slot 611 extends to the end face of the second surrounding section 61 facing away from the second mating section 62. Furthermore, the second aluminum frame 60 has a plurality of second fixing holes 612 on the second surrounding section 61. The second fixing holes 612 are evenly spaced around the outer shape of the second surrounding section 61, and the second fixing holes 612 penetrate the second surrounding section 61 horizontally and communicate with the second slots 611.
[0033] The second mating section 62 is provided with a mating groove 621 and a fixing groove 622, which are distributed around the overall shape of the second mating section 62. The fixing groove 622 extends inward from the end face of the second mating section 62 away from the second surrounding section 61, and the width of the fixing groove 622 is wider at the outer edge and narrower at the inner edge. The fixing groove 622 is located inside the mating groove 621 and is connected to the mating groove 621. The width of the groove at the connecting position is smaller than the width of the fixing groove 622 near the connecting position. In this embodiment, the groove wall of the fixing groove 622 in the cross-sectional direction is arc-shaped, and the width of the groove at the connecting position is smaller than the inner diameter of the fixing groove 622. The second mating section 62 is provided with second mating surfaces 623 on both sides of the opening of the mating groove 621.
[0034] The sealing strip 70 is generally arranged in a ring shape. The material of the sealing strip 70 is an elastic material, such as silicone or rubber. The cross-sectional shape of the sealing strip 70 corresponds to the fixing groove 622. In this embodiment, the cross-sectional shape of the sealing strip 70 is circular.
[0035] During assembly, the sealing strip 70 is secured in the fixing groove 622 of the second aluminum channel, and the fixing groove 622 limits the sealing strip 70. The opening of the first housing 10 is secured in the first slot 511, and the opening of the first housing 10 is tightly attached to the side wall and bottom wall of the first slot 511, respectively. The opening of the second housing 20 is secured in the second slot 611, and the opening of the second housing 20 is tightly attached to the side wall and bottom wall of the second slot 611, respectively. Part of the fastener 40 passes through the first fixing hole 512 and fixes the first housing 10 to the first aluminum frame 50. Part of the fastener 40 passes through the second fixing hole 612 and fixes the second housing 20 to the second aluminum frame 60. In this embodiment, the fastener 40 is a rivet.
[0036] When the first housing 10 is placed on the second housing 20, the clip 531 of the first aluminum frame 50 extends into the mating groove 621 of the second aluminum frame 60 and presses against the sealing strip 70 fixed in the fixing groove 622, thereby improving the sealing between the first aluminum frame 50 and the second aluminum frame 60. The two sides of the clip 531 are in contact with the groove wall of the fixing groove 622, the first mating surface 532 is in contact with the second mating surface 623, and the fixing groove 622, which is wider on the outside and narrower on the inside, facilitates the insertion of the clip 531.
[0037] The beneficial effects of this utility model of a bag with an aluminum frame opening and closing structure are as follows: By setting a fixing groove 622 and a mating groove 621 on the second aluminum frame 60, the sealing strip 70 is snapped into the mating groove 621, and a clip head 531 is set on the second aluminum frame 60. When the first box shell 10 is placed on the second box shell 20, the clip head 531 of the first aluminum frame 50 extends from the mating groove 621 of the second aluminum frame 60 and presses the sealing strip 70 fixed on the fixing groove 622, thereby improving the sealing performance between the first aluminum frame 50 and the second aluminum frame 60, improving the waterproof and dustproof performance of the bag, and making it highly practical.
[0038] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0039] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.
Claims
1. A suitcase with an aluminum frame opening and closing structure, comprising a first case shell, a second case shell, and an aluminum frame assembly, characterized in that, The aluminum frame assembly includes a first aluminum frame, a second aluminum frame, a sealing strip, and several fasteners. The first aluminum frame is mounted on the first housing shell via fasteners, and the second aluminum frame is mounted on the second housing shell via fasteners. The sealing strip is mounted on the second aluminum frame. The first aluminum frame includes a first surrounding section, a connecting section, and a first mating section. The connecting section connects the first surrounding section and the first mating section on both sides along the height direction, and the first mating section is provided with a locking head. The second aluminum frame includes a second surrounding section and a second mating section. The second mating section is provided with a mating groove and a fixing groove. The fixing groove extends inward from the end of the second mating section away from the second surrounding section and is located inside the mating groove. The sealing strip is locked in the fixing groove of the second aluminum frame. When the first housing shell is placed on the second housing shell, the locking head of the first aluminum frame extends from the mating groove of the second aluminum frame and presses the sealing strip fixed in the fixing groove.
2. The bag with an aluminum frame opening and closing structure according to claim 1, characterized in that, The cross-sectional width of the card head gradually narrows from the direction away from the connecting section, and the groove width of the fixing groove is wider at the outside and narrower at the inside. When the first box shell is placed on the second box shell, the two sides of the card head fit against the groove wall of the fixing groove.
3. The bag with an aluminum frame opening and closing structure according to claim 2, characterized in that, The fixed groove is connected to the mating groove, and the groove width at the connecting position is smaller than the groove width of the fixed groove near the connecting position.
4. The bag with an aluminum frame opening and closing structure according to claim 2, characterized in that, The groove wall in the cross-sectional direction of the fixed groove is arc-shaped, and the cross-sectional shape of the sealing strip corresponds to the fixed groove, and the cross-sectional shape of the sealing strip is circular.
5. The bag with an aluminum frame opening and closing structure according to claim 1, characterized in that, The first mating section has a first mating surface on both sides of the card head, and the second mating section has a second mating surface on both sides of the mating groove opening. When the first box shell is placed on the second box shell, the first mating surface and the second mating surface fit together.
6. The bag with an aluminum frame opening and closing structure according to claim 1, characterized in that, The first enclosure section has a first slot on its inner side, and the second enclosure section has a second slot on its inner side. The opening of the first shell is fitted into the first slot, and the opening of the first shell is tightly attached to the side wall and bottom wall of the first slot, respectively. The opening of the second shell is fitted into the second slot, and the opening of the second shell is tightly attached to the side wall and bottom wall of the second slot, respectively.
7. The bag with an aluminum frame opening and closing structure according to claim 6, characterized in that, The sidewalls and bottom wall of the first slot are L-shaped, and the sidewalls and bottom wall of the second slot are L-shaped.
8. The bag with an aluminum frame opening and closing structure according to claim 6, characterized in that, The first aluminum frame has a plurality of first fixing holes on the first surrounding section, and the second aluminum frame has a plurality of second fixing holes on the second surrounding section. Some fixing members pass through the first fixing holes and fix the first housing to the first aluminum frame, and some fixing members pass through the second fixing holes and fix the second housing to the second aluminum frame.
9. The bag with an aluminum frame opening and closing structure according to claim 8, characterized in that, The first fixing holes are evenly spaced around the shape of the first surrounding section, and the first fixing holes penetrate the first surrounding section in the horizontal direction and are connected to the first slot.
10. The bag with an aluminum frame opening and closing structure according to claim 8, characterized in that, The second fixing holes are evenly spaced around the shape of the second surrounding section, and the second fixing holes penetrate the second surrounding section in the horizontal direction and are connected to the second slot.