Expandable multifunctional draw-bar luggage

Abstract

The utility model relates to the technical field of draw-bar boxes, in particular to an expandable multifunctional draw-bar box, which adopts the technical scheme that the expandable multifunctional draw-bar box comprises a box body, a front box and a rear box, the front box and the rear box form the box body, the front box and the rear box are closed through a zipper, and the front side of the front box is slotted and provided with an openable front turning plate; an expansion bin is movably installed on the back face of the rear box, reinforcing strips are fixedly installed on the portions, on the two sides of the expansion bin, of the back face of the rear box respectively, the expansion bin is movably installed on the portions, on the opposite sides of the two reinforcing strips, of the back face of the rear box, and an opening binding rope is fixedly installed on the expansion bin and is designed to be of an elastic rope structure. The draw-bar box has the advantages that the thickness of the draw-bar box can be reduced when the draw-bar box is not expanded for use, so that the draw-bar box is convenient to store and the occupied space is reduced, and the problem that the draw-bar box which is not used occupies more space when being stored due to the fact that the thickness of the draw-bar box is increased by an expansion part in the prior art is solved.

Description

Technical Field

[0001] This utility model relates to the field of trolley case technology, specifically to an expandable multi-functional trolley case. Background Technology

[0002] A rolling suitcase is a type of travel case with a retractable handle and swivel wheels, widely popular for its ease of pulling and carrying. Whether for business or leisure travel, rolling suitcases have become an indispensable luggage tool.

[0003] Extensive searches revealed CN211632074U, which discloses a front-opening telescopic trolley case that can hold business travel office supplies and is easy to access. Business office supplies are completely separated from clothing in the middle and rear covers by a zippered partition, and the telescopic expansion layer greatly increases the volume of the case.

[0004] In existing technologies, when a rolling suitcase is in actual use, the expansion portion on the opposite side of the front cover and the middle cover protrudes beyond the suitcase, resulting in an increase in the thickness of the suitcase. This problem persists even when no items are stored inside. Furthermore, the increased thickness of the suitcase leads to increased space occupation and storage inconvenience when stored at home. Therefore, there is a need for an expandable, multi-functional rolling suitcase to solve these problems. Utility Model Content

[0005] The purpose of this utility model is to provide an expandable multi-functional trolley case that reduces the thickness of the case when not in use, thus facilitating storage and reducing space occupation. This solves the problem in the prior art where the expansion part increases the thickness of the trolley case, resulting in the unused trolley case taking up more space when stored.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an expandable multi-functional trolley case, including a case body and a front case and a rear case that make up the case body, wherein the front case and the rear case are closed by a zipper, and the front case has a slot on the front and is provided with an openable front flap;

[0007] An expansion compartment is movably installed on the back of the rear box. Reinforcing strips are fixedly installed on the back of the rear box on both sides of the expansion compartment. The expansion compartment is movably installed on the back of the rear box on the opposite side of the two reinforcing strips.

[0008] Preferably, a partition is fixedly installed on the inner side of the front compartment, dividing the interior of the front compartment into two equal parts. Universal casters are fixedly installed on both sides of the bottom of the front compartment, and support pads are fixedly installed at the top and bottom ends of one side of the front compartment. This design, by dividing the interior of the front compartment into two equal parts with a partition, allows for more effective organization and separation of items, enabling business supplies and clothing to be stored separately, maintaining neatness and easy retrieval.

[0009] The swivel casters on both sides of the bottom provide multi-directional movement capability, allowing the bag to be moved easily in different directions, improving ease of use;

[0010] The support pads at the top and bottom of one side can protect the case from wear and tear from direct contact with the ground, while providing stable support when placed to prevent the case from tipping over.

[0011] Preferably, hinges are fixedly installed on both sides of the bottom of the front flap, and the front flap is rotatably connected to the front box via the hinges. First zippers are fixedly installed on the top and both sides of the front flap, with the side of the first zipper facing away from the front flap fixedly connected to the front of the front box. The front flap opens and closes with the front box via the first zippers. In this design, the front flap is rotatably installed via hinges, allowing the front box to be easily opened and closed, providing a convenient storage and retrieval method.

[0012] The front flap opens and closes via a first zipper connected to the front compartment. This design is simple and practical, allowing for quick opening of the front compartment and easy retrieval of items.

[0013] Preferably, a sleeve is embedded inside the rear compartment, with the top of the sleeve passing through the top of the rear compartment. A pull rod bracket is movably inserted into the sleeve. Universal casters are fixedly installed on both sides of the bottom of the rear compartment, and support pads are fixedly installed at the top and bottom of one side of the rear compartment. The movable insertion of the pull rod bracket within the sleeve design allows for easy insertion and removal of the pull rod, providing flexible telescopic functionality to accommodate users of different heights.

[0014] The swivel casters on both sides of the bottom provide multi-directional movement capability, allowing the bag to be moved easily in different directions, improving ease of use;

[0015] The support pads at the top and bottom of one side can protect the case from wear and tear from direct contact with the ground, while providing stable support when placed to prevent the case from tipping over.

[0016] Preferably, a spring plunger is embedded in the tie rod bracket, and the tie rod bracket is engaged with the sleeve via the spring plunger. This design, where the tie rod bracket is engaged with the sleeve via the spring plunger, ensures the stability of the tie rod during use and prevents it from accidentally slipping out.

[0017] Preferably, the expansion compartment includes a curtain and an expansion bag. The expansion bag is sewn onto the side of the curtain away from the rear compartment. Second zippers are sewn onto both sides of the curtain, and the side of the second zipper away from the curtain is fixedly connected to a reinforcing strip. The expansion compartment can be quickly removed from the rear compartment via the second zippers. This design, including a curtain and an expansion bag, allows users to quickly increase storage space as needed and can quickly disassemble the compartment when not in use, saving space.

[0018] The second zipper allows for quick disassembly from the rear compartment, making the installation and removal of the expansion compartment simple and fast.

[0019] Preferably, a drawstring is fixedly installed at the top of the expansion bag. The drawstring has an elastic cord design, and its top passes through the pull rod to close the top of the expansion bag. The drawstring design with an elastic cord allows for easy adjustment of the opening size of the expansion bag, ensuring the safety of stored items while facilitating user access to the items.

[0020] The drawstring passes through the pull rod to close the top of the expansion bag, a design that is both practical and aesthetically pleasing, providing a simple and effective closure method.

[0021] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0022] The rear compartment of this invention features a removable expansion compartment, which is quickly detached from the rear compartment via a second zipper. This design allows users to quickly remove the expansion compartment when expansion is not needed, thereby reducing the thickness of the bag and saving space.

[0023] The expansion compartment is removably installed on the rear of the box on one side of the two reinforcing strips. This removable installation allows the expansion compartment to be folded away when not in use, reducing external protrusion of the box and thus reducing its thickness. This design maintains the box's clean appearance and minimizes space occupation when not in use.

[0024] In summary, this rolling suitcase achieves the advantages of reducing its own thickness when not being expanded, making it convenient to store and reducing space occupation, effectively solving the problem of increasing the thickness of the rolling suitcase in the existing technology. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0026] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0027] Figure 3 This is a schematic diagram of the rear view structure of this utility model;

[0028] Figure 4 This is a schematic diagram of the expansion chamber structure of this utility model.

[0029] In the diagram: 1. Box body; 11. Front box; 111. Partition; 12. Rear box; 121. Sleeve; 122. Reinforcing strip; 2. Support foot pad; 3. Pull rod bracket; 4. Front flip panel; 41. First zipper; 42. Hinge; 5. Universal caster; 6. Expansion compartment; 61. Curtain; 611. Second zipper; 62. Expansion bag; 621. Drawstring. Detailed Implementation

[0030] 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.

[0031] Example 1: As Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, one embodiment of the present invention is provided: an expandable multi-functional trolley bag, including a case body 1 and a front case 11 and a rear case 12 that make up the case body 1. The front case 11 and the rear case 12 are closed by zippers. The front case 11 has a slot on the front and is provided with an openable front flap 4.

[0032] An expansion compartment 6 is movably installed on the back of the rear box 12. Reinforcing strips 122 are fixedly installed on the back of the rear box 12 on both sides of the expansion compartment 6. The expansion compartment 6 is movably installed on the back of the rear box 12 on the opposite side of the two reinforcing strips 122.

[0033] Specifically, an expansion compartment 6 is movably installed on the back of the rear compartment 12. The expansion compartment 6 is quickly detached from the rear compartment 12 via a second zipper 611. This design allows users to quickly remove the expansion compartment 6 when expansion is not needed, thereby reducing the thickness of the bag and saving space.

[0034] The expansion compartment 6 is movably installed on the back of the rear box 12 on the opposite side of the two reinforcing strips 122. This movable installation method allows the expansion compartment 6 to be retracted when not in use, reducing the external protrusion of the box body 1 and thus reducing its thickness. This design maintains the simplicity of the box body 1 when not in use, reducing space occupation.

[0035] In summary, this rolling suitcase achieves the advantages of reducing its own thickness when not being expanded, making it convenient to store and reducing space occupation, effectively solving the problem of increasing the thickness of the rolling suitcase in the existing technology.

[0036] Example 2: To improve the neatness of the items inside the box and facilitate retrieval, such as... Figure 1 and Figure 2As shown, in this embodiment, a partition 111 is fixedly installed on the inner side of the front box 11, dividing the interior of the front box 11 into two equal parts by the partition 111. Universal casters 5 are fixedly installed on both sides of the bottom of the front box 11, and support pads 2 are fixedly installed at the top and bottom ends of one side of the front box 11. The design, by dividing the interior of the front box 11 into two equal parts by the partition 111, can more effectively organize and separate items, allowing business supplies and clothing to be stored separately, maintaining neatness and easy retrieval.

[0037] The swivel casters on both sides of the bottom provide multi-directional movement capability, allowing the bag to be moved easily in different directions, improving ease of use;

[0038] The support feet 2 at the top and bottom of one side can protect the case 1 from wear and tear from direct contact with the ground, while providing stable support when placed to prevent the case from tipping over.

[0039] Furthermore, hinges 42 are fixedly installed on both sides of the bottom of the front flap 4. The front flap 4 is rotatably connected to the front box 11 via the hinges 42. First zippers 41 are fixedly installed on the top and both sides of the front flap 4. The side of the first zipper 41 facing away from the front flap 4 is fixedly connected to the front of the front box 11. The front flap 4 is opened and closed with the front box 11 via the first zipper 41. In this design, the front flap 4 is rotatably installed via the hinges 42, which allows the front box 11 to be easily opened and closed, providing a convenient storage and retrieval method.

[0040] The front flap 4 is opened and closed with the front box 11 via the first zipper 41. This design is simple and practical, allowing the front box 11 to be opened quickly for easy access to items.

[0041] Example 3: To selectively expand the capacity of the enclosure, and to allow for quick disassembly and assembly of the expansion location, such as... Figure 2 , Figure 3 and Figure 4 As shown, in this embodiment, a sleeve 121 is embedded inside the rear box 12, with the top of the sleeve 121 passing through the top of the rear box 12. A pull rod bracket 3 is movably inserted into the sleeve 121. Universal casters 5 are fixedly installed on both sides of the bottom of the rear box 12, and support pads 2 are fixedly installed at the top and bottom ends of one side of the rear box 12. The design of the movably inserted pull rod bracket 3 inside the sleeve 121 allows the pull rod to be easily inserted and pulled out, providing a flexible telescopic function to accommodate users of different heights.

[0042] The swivel casters on both sides of the bottom provide multi-directional movement capability, allowing the bag to be moved easily in different directions, improving ease of use;

[0043] The support feet 2 at the top and bottom of one side can protect the case 1 from wear and tear from direct contact with the ground, while providing stable support when placed to prevent the case from tipping over.

[0044] Furthermore, a spring plunger is embedded in the tie rod bracket 3, and the tie rod bracket 3 is engaged with the sleeve 121 through the spring plunger. In this design, the tie rod bracket 3 is engaged with the sleeve 121 through the spring plunger. This design can ensure the stability of the tie rod during use and prevent the tie rod from accidentally slipping out during use.

[0045] Furthermore, the expansion compartment 6 includes a curtain 61 and an expansion bag 62. The expansion bag 62 is sewn onto the side of the curtain 61 facing away from the rear compartment 12. Second zippers 611 are sewn onto both sides of the curtain 61. The side of the second zipper 611 facing away from the curtain 61 is fixedly connected to the reinforcing strip 122. The expansion compartment 6 can be quickly removed from the rear compartment 12 via the second zipper 611. The design of the expansion compartment 6, including the curtain 61 and the expansion bag 62, allows users to quickly increase storage space as needed, and can also quickly remove the bag when not in use, saving space.

[0046] The second zipper 611 enables quick disassembly from the rear box 12, making the installation and removal of the expansion compartment 6 simple and quick.

[0047] Furthermore, a drawstring 621 is fixedly installed on the top of the expansion bag 62. The drawstring 621 adopts an elastic cord structure design, and the top of the drawstring 621 passes through the pull rod 3 to close the top of the expansion bag 62. The drawstring 621 with an elastic cord structure design allows for easy adjustment of the opening size of the expansion bag 62, ensuring the safety of stored items while facilitating user access to items.

[0048] The drawstring 621 passes through the pull rod 3 to close the top of the expansion bag 62. This design is both practical and aesthetically pleasing, providing a simple and effective closure method.

[0049] When using this invention, place the bag on a flat surface and check that all zippers, hinges 42, and pull rods are in good condition. Locate the front flap 4 on the front of the front compartment 11, pull the first zipper 41 to access the interior of the front compartment 11 on the side opposite the front flap 4. Place the required items inside the front compartment 11 and use the partition 111 to categorize and store the items. If necessary, items can also be placed inside the rear compartment 12. When expansion is needed, remove the expansion compartment 6 from the body 1 and pull the second zipper 611 to expand the capacity. The compartment 6 is connected to the rear box 12. The opening size of the expansion bag 62 can be adjusted by the drawstring 621 to ensure the safe storage of items. If the bag needs to be moved, the pull rod 3 can be pulled out of the sleeve 121 to the required length, and the pull rod 3 can be securely engaged with the sleeve 121 by the spring plunger. The bag can be dragged using the casters 5 or by pulling the pull rod 3. When the expansion function is not needed, the expansion compartment 6 can be removed from the rear box 12 by pulling the second zipper 611 to reduce the thickness of the bag, reduce space occupation, and facilitate storage.

[0050] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. An expandable multi-functional trolley case, comprising a case body (1) and a front compartment (11) and a rear compartment (12) constituting the case body (1), characterized in that: The front box (11) and the rear box (12) are closed by zippers. The front box (11) has a slot on the front and is provided with an openable front flap (4). An expansion compartment (6) is movably installed on the back of the rear box (12). Reinforcing strips (122) are fixedly installed on the back of the rear box (12) on both sides of the expansion compartment (6). The expansion compartment (6) is movably installed on the back of the rear box (12) on the opposite side of the two reinforcing strips (122).

2. The expandable multi-functional trolley case according to claim 1, characterized in that, A partition (111) is fixedly installed on the inner side of the front box (11). The interior of the front box (11) is divided into two equal parts by the partition (111). Universal casters (5) are fixedly installed on both sides of the bottom of the front box (11). Support pads (2) are fixedly installed on the upper and lower ends of one side of the front box (11).

3. The expandable multi-functional trolley case according to claim 1, characterized in that, The front flap (4) is fixedly installed with hinges (42) on both sides of its bottom. The front flap (4) is rotatably connected to the front box (11) through the hinges (42). The top and both sides of the front flap (4) are fixedly installed with first zippers (41). The side of the first zipper (41) away from the front flap (4) is fixedly connected to the front of the front box (11). The front flap (4) is opened and closed with the front box (11) through the first zipper (41).

4. The expandable multi-functional trolley case according to claim 1, characterized in that, A sleeve (121) is embedded inside the rear box (12). The top of the sleeve (121) passes through the top of the rear box (12). A pull rod bracket (3) is movably inserted inside the sleeve (121). Universal casters (5) are fixedly installed on both sides of the bottom of the rear box (12). Support pads (2) are fixedly installed at the top and bottom ends of one side of the rear box (12).

5. The expandable multi-functional trolley case according to claim 4, characterized in that, A spring plunger is embedded in the tie rod bracket (3), and the tie rod bracket (3) is engaged with the sleeve (121) through the spring plunger.

6. The expandable multi-functional trolley case according to claim 1, characterized in that, The expansion compartment (6) includes a curtain (61) and an expansion bag (62). The expansion bag (62) is sewn onto the side of the curtain (61) away from the rear box (12). A second zipper (611) is sewn onto both sides of the curtain (61). The side of the second zipper (611) away from the curtain (61) is fixedly connected to the reinforcing strip (122). The expansion compartment (6) can be quickly detached from the rear box (12) through the second zipper (611).

7. The expandable multi-functional trolley case according to claim 6, characterized in that, The top of the expansion bag (62) is fixedly installed with a drawstring (621). The drawstring (621) adopts an elastic rope structure design. The top of the drawstring (621) passes through the pull rod (3) to close the top of the expansion bag (62).

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