Expansion structure and luggage case

Abstract

The utility model belongs to the technical field of bags and suitcases, and particularly relates to an expansion structure and a luggage case. The capacity expansion structure comprises a first fixed end and a second fixed end which are arranged at an interval, and further comprises a plurality of first capacity expansion sections, one end of each first capacity expansion section is connected with the first fixed end, and the other end of each first capacity expansion section is connected with the second fixed end; the plurality of first expansion sections have different maximum expansion lengths; the first expansion section is connected with or separated from the first fixed end and the second fixed end through the first connecting piece; the second expansion section is fixedly arranged between the first fixed end and the second fixed end, and the maximum expansion length of the second expansion section is larger than that of the first expansion section. According to the utility model, the maximum expansion length of the first fixing end and the second fixing end can be adjusted according to user requirements, so that the volume of the luggage case can be flexibly adjusted, and the requirements on the volume of the luggage case under various conditions can be met.

Description

Technical Field

[0001] The utility model belongs to the technical field of luggage, and in particular relates to an expansion structure and a luggage case. Background Art

[0002] A suitcase is a container used to load and carry clothes and items, usually for travel or relocation.

[0003] In the prior art, for example, the patent with application number: CN201921000690.5 discloses a suitcase, including a front half box body and a rear half box body, an expansion part is provided on the side wall of the front half box body, a zipper buckle is sewn at the outer edge of the front end of the expansion part, and a zipper mother buckle is sewn at the outer edge of the rear end of the expansion part, after the zipper mother buckle and the zipper buckle are locked, the expansion part is compressed, and a storage bag for storing items is detachably connected to the inner top of the front half box body, and a second zipper for closing the storage bag is connected to the opening at the upper end of the storage bag, and a channel for the storage bag to enter and exit is provided on the top of the expansion part, and a third zipper for closing the channel is connected in the channel.

[0004] The above-mentioned utility model can achieve expansion by separating the zipper buckle and the zipper mother buckle, but the expanded volume cannot be adjusted; and in actual use, the user's demand for the expanded volume is not constant; when the expanded suitcase capacity is greater than the user's demand, the suitcase space cannot be fully utilized and a large amount of space is vacant; when the expanded suitcase capacity is less than the user's demand, the suitcase cannot meet the user's demand. Utility Model Content

[0005] The technical problem to be solved by the present invention is to provide an expansion structure and a luggage case, wherein the expansion structure can adjust the size of the expansion according to the needs of the user and has strong adaptability.

[0006] The technical solution proposed by the utility model is:

[0007] An expansion structure includes a first fixed end and a second fixed end, wherein the first fixed end and the second fixed end are spaced apart from each other, and further includes:

[0008] a first expansion section, one end of the first expansion section being connected to the first fixed end, the other end of the first expansion section being connected to the second fixed end, the number of the first expansion sections being multiple, and the multiple first expansion sections having different maximum expansion lengths;

[0009] a first connecting member, wherein the first expansion section is connected to or separated from the first fixed end and the second fixed end via the first connecting member;

[0010] The second expansion section is fixedly arranged between the first fixed end and the second fixed end, and the maximum expansion length of the second expansion section is greater than the maximum expansion length of the first expansion section.

[0011] Optionally, the maximum expansion lengths of the multiple first expansion sections increase gradually along the first direction.

[0012] Optionally, the number of first expansion segments is two.

[0013] Optionally, also include:

[0014] The second expansion section is connected to or separated from the first fixed end and the second fixed end through the second connecting piece.

[0015] Optionally, the first connecting member is any one of a zipper, a Velcro, a magnetic sticker, a rivet buckle or a button, and the second connecting member is any one of a zipper, a Velcro, a magnetic sticker, a rivet buckle or a button.

[0016] In a second aspect, the present invention provides a suitcase provided with the above-mentioned expansion structure.

[0017] Optionally, the suitcase has a box body, a box lid and a third connecting member, the third connecting member is connected between the box body and the box lid, and the box lid opens and closes the box body through the third connecting member.

[0018] Optionally, the expansion structure is provided on the box body and / or the box cover.

[0019] Optionally, the third connecting piece is an explosion-proof zipper.

[0020] Optionally, the expansion structure is provided between the explosion-proof zipper and the box cover, or the expansion structure is provided between the explosion-proof zipper and the box body.

[0021] Compared with the prior art, the beneficial effects of the present invention are:

[0022] The utility model can flexibly adjust the volume of the luggage box by connecting or disconnecting different first expansion sections and adjusting the maximum expansion length of the first fixed end and the second fixed end according to user needs, and is suitable for the volume requirements of the luggage box in various situations. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0024] Figure 1 This is a schematic diagram of the structure of the prior art when the expansion structure is not expanded;

[0025] Figure 2 for Figure 1The main view;

[0026] Figure 3 This is a schematic diagram of the structure of the existing technology when the expansion structure is expanded;

[0027] Figure 4 for Figure 3 The main view;

[0028] Figure 5 This is the first state diagram of the utility model;

[0029] Figure 6 This is a structural diagram of the second expansion section provided with a second connecting piece in the first state of the utility model;

[0030] Figure 7 This is the second state diagram of the present utility model;

[0031] Figure 8 For this utility model Figure 7 The main view;

[0032] Figure 9 This is a structural diagram of the second expansion section provided with a second connecting piece in the second state of the utility model;

[0033] Figure 10 This is a third state diagram of the present utility model;

[0034] Figure 11 For this utility model Figure 10 The main view;

[0035] Figure 12 This is a structural diagram of the second expansion section provided with a second connecting piece in the third state of the utility model;

[0036] Figure 13 This is a front view of the first state of the explosion-proof zipper of the utility model;

[0037] Figure 14 This is a front view of the second state of the explosion-proof zipper of the utility model;

[0038] Figure 15 This is a front view of the third state of the explosion-proof zipper of the utility model.

[0039] In the figure: 1. Expansion structure; 11. First expansion section; 12. First connecting member; 13. Second expansion section; 14. Second connecting member; 21. First fixed end; 22. Second fixed end; 2. Suitcase; 23. Box body; 24. Box cover; 25. Third connecting member; 3. Expansion structure; 31. First connecting section; 32. Second connecting section. DETAILED DESCRIPTION

[0040] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0041] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0042] Example 1

[0043] Please refer to Figure 1-4 In the prior art, in order to expand the capacity of the suitcase 2, a commonly adopted technical solution is to set up an expansion structure 3, which is arranged between the first fixed end 21 and the second fixed end 22 of the box body 23. The expansion structure 3 includes a first connecting section 31 and a second connecting section 32. The first connecting section 31 is connected between the first fixed end 21 and the second fixed end 22, and the second connecting section 32 is connected between the first fixed end 21 and the second fixed end 22. The first connecting section 31 has two detachable sections, and the two sections are connected by a zipper, Velcro, magnetic sticker, rivets or buttons. The maximum expansion length of the first connecting section 31 is less than the maximum expansion length of the second connecting section 32.

[0044] refer to Figure 1 、 Figure 2 Before the expansion, the two sections of the first connecting section 31 are connected to each other, and the second connecting section 32 is in a bent or curved state; Figure 3 、 Figure 4 After the expansion, the two sections of the first connecting section 31 are separated from each other, and when the second connecting section 32 is in a tensioned state, the luggage compartment 2 has the maximum accommodating space.

[0045] Example 2

[0046] refer to Figure 5 In the present invention, a capacity expansion structure 1 is provided on the luggage box 2 , and the capacity expansion structure 1 is provided between the first fixed end 21 and the second fixed end 22 of the box body 23 .

[0047] The expansion structure 1 includes a first expansion section 11, with both ends of the first expansion section 11 connected to a first fixed end 21 and a second fixed end 22, respectively. There are multiple first expansion sections 11, and the multiple first expansion sections 11 have different maximum expansion lengths.

[0048] A first connecting member 12 is provided on the first expansion section 11, and the first expansion section 11 is connected between the first fixed end 21 and the second fixed end 22 through the first connecting member 12 as required;

[0049] A second expansion section 13 is also provided, with both ends of the second expansion section 13 fixedly connected to the first fixed end 21 and the second fixed end 22 respectively; the maximum expansion length of the second expansion section 13 is greater than the maximum expansion length of the first expansion section 11 .

[0050] Specifically, taking the setting of two first expansion sections 11 as an example, refer to Figure 5 The first state of the present invention is: the two first expansion sections 11 are fixed between the first fixed end 21 and the second fixed end 22 through the first connecting member 12; at this time, the expansion space of the luggage box 2 is determined by the first expansion section 11 with a smaller maximum expansion length (the first expansion section 11 and the second expansion section 13 with a larger maximum expansion length are in a bent or curved state).

[0051] refer to Figure 7 、 Figure 8 The second state of the present invention is: the first expansion section 11 with a smaller maximum expansion length is in a disconnected state, and the first expansion section 11 with a larger maximum expansion length is fixed between the first fixed end 21 and the second fixed end 22 through the first connecting member 12; at this time, the expansion space of the luggage box 2 is determined by the first expansion section 11 with a larger maximum expansion length (the second expansion section 13 is in a bent or curved state).

[0052] refer to Figure 10 、 Figure 11 The third state of the present invention is that both first expansion sections 11 are in a disconnected state, and the expansion space of the luggage compartment 2 is determined by the second expansion section 13 .

[0053] It should be noted that the reference Figure 6 、 Figure 9 、 Figure 12 A second connecting member 14 may also be provided on the second expansion section 13 , and the second expansion section 13 may be connected or separated as required through the second connecting member 14 .

[0054] It should be noted that three or more first expansion sections 11 may be provided, so that users can choose expansion spaces of more specifications.

[0055] As a preferred solution, the first connecting member 12 can be any one of a zipper, Velcro, magnetic sticker, rivet buckle or button, and the first expansion section 11 is connected between the first fixed end 21 and the second fixed end 22 through the first connecting member 12.

[0056] There are several ways to set the specific position of the first connecting member 12. The first way is to set the first connecting member 12 between the first expansion section 11 and the first fixed end 21. The first expansion section 11 and the first fixed end 21 are connected or separated by the first connecting member 12. In this case, the first expansion section 11 is fixedly connected to the second fixed end 22.

[0057] The second method is to divide the first expansion section 11 into two connection sections 111, and connect or separate the two connection sections 111 through the first connection member 12. In this case, the two connection sections 111 are fixedly connected to the first fixed end 21 and the second fixed end 22 respectively.

[0058] The third method is to set the first connecting member 12 between the first expansion section 11 and the second fixed end 22, and connect or separate the first expansion section 11 and the second fixed end 22 through the first connecting member 12. At this time, the first expansion section 11 is fixedly connected to the first fixed end 21.

[0059] The fourth method is to provide two first connectors 12 , one of which is provided between the first expansion section 11 and the first fixed end 21 , and the other is provided between the first expansion section 11 and the second fixed end 22 . The first connector 12 of this solution is preferably a Velcro.

[0060] It should be noted that the second solution is preferably used for the location of the first connecting member 12 .

[0061] It should be noted that, in the first, second and third solutions of this embodiment, the first connecting member 12 is preferably a zipper.

[0062] It should be noted that the second connecting member 14 can adopt the same solution as the first connecting member 12 mentioned above.

[0063] The maximum expansion length refers to the distance between the first fixed end 21 and the second fixed end 22 when the first connecting section 31, the second connecting section 32, the first expansion section 11 or the second expansion section 13 is connected and fixed to the box body 23 and is in a tensioned state.

[0064] Example 3

[0065] The utility model protects a suitcase 2, which adopts the expansion structure 1 of embodiment 2.

[0066] As a preferred solution, the suitcase 2 has a box body 23 , a box cover 24 is provided on the box body 23 , and the box cover 24 is connected to the box body 23 via a third connecting member 25 .

[0067] Specifically, the capacity expansion structure 1 can be provided on the box body 23 , and the capacity expansion structure 1 can also be provided on the box cover 24 .

[0068] It should be noted that the expansion structure 1 can also be provided on both the box body 23 and the box cover 24 .

[0069] As a further preferred solution, the third connecting member 25 is an explosion-proof zipper.

[0070] refer to Figure 13 、 Figure 14 、 Figure 15 The expansion structure 1 can be arranged between the explosion-proof zipper and the box body 23; the expansion structure 1 can also be arranged between the explosion-proof zipper and the box cover 24.

[0071] It should be noted that the expansion structure 1 may be provided between the explosion-proof zipper and the box body 23 and between the explosion-proof zipper and the box cover 24 .

[0072] It should be noted that the expansion structure 1 of the present invention can also be used for other bags, such as backpacks, handbags, etc.

[0073] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A capacity expansion structure, comprising a first fixed end (21) and a second fixed end (22), wherein the first fixed end (21) and the second fixed end (22) are spaced apart and characterized in that: Also includes: a first expansion section (11), one end of the first expansion section (11) being connected to the first fixed end (21), the other end of the first expansion section (11) being connected to the second fixed end (22), the number of the first expansion sections (11) being multiple, and the multiple first expansion sections (11) having different maximum expansion lengths; A first connecting member (12), wherein the first expansion section (11) is connected to or separated from the first fixed end (21) and the second fixed end (22) via the first connecting member (12); The second expansion section (13) is fixedly arranged between the first fixed end (21) and the second fixed end (22), and the maximum expansion length of the second expansion section (13) is greater than the maximum expansion length of the first expansion section (11).

2. The expansion structure according to claim 1, characterized in that: The maximum expansion lengths of the plurality of first expansion sections (11) increase progressively along the first direction.

3. The expansion structure according to claim 1, characterized in that: The number of the first expansion sections (11) is two.

4. The expansion structure according to claim 1, characterized in that: Also includes: The second connecting member (14) is connected to or separated from the first fixed end (21) and the second fixed end (22) via the second connecting member (14).

5. The expansion structure according to claim 4, characterized in that: The first connecting member (12) is any one of a zipper, a Velcro, a magnetic patch, a rivet buckle or a button, and the second connecting member (14) is any one of a zipper, a Velcro, a magnetic patch, a rivet buckle or a button.

6. A suitcase, characterized in that: The suitcase is provided with the expansion structure (1) according to any one of claims 1 to 5.

7. The luggage case according to claim 6, characterized in that: The luggage box comprises a box body (23), a box cover (24) and a third connecting member (25). The third connecting member (25) is connected between the box body (23) and the box cover (24). The box cover (24) opens and closes the box body (23) via the third connecting member (25).

8. The luggage case according to claim 7, wherein: The expansion structure (1) is arranged on the box body (23) or the box cover (24).

9. The luggage case according to claim 7, wherein: The third connecting piece (25) is an explosion-proof zipper.

10. The luggage case according to claim 9, characterized in that: The expansion structure (1) is arranged between the explosion-proof zipper and the box cover (24), or between the explosion-proof zipper and the box body (23).

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