Combined luggage case

By designing a combined suitcase with tie rod and moving wheel, the nested connecting components are used to achieve stable suspension positioning and separation between the main box and the attached box, the existing suitcase is solved inadequate space utilization and inconvenient handling when carrying items with long lengths, and the effect of volume expansion and convenient handling is achieved.

CN222888703UActive Publication Date: 2025-05-23匡宜
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Patent Information

Application Number
CN202421769018.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-25
Publication Date
2025-05-23
Estimated Expiration
2034-07-25

AI Technical Summary

Technical Problem

When carrying items of longer lengths, existing suitcases are difficult to effectively utilize space and are inconvenient to carry.

Method used

A combined suitcase is designed, including a main box with a tie rod and a moving wheel, and a attached box is achieved through nested connecting components to achieve stable suspension positioning and separation of the main box and an attached box, making it easier to carry items of different lengths or types.

Benefits of technology

It realizes the volume expansion of the suitcase, adapts to items of different lengths or types, and ensures the convenience of handling.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222888703U_ABST
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Abstract

The utility model discloses a combined luggage case which comprises a main case provided with a pull rod and moving wheels, the main box is provided with a hinged side and a locked side, and an auxiliary box is suspended and positioned on the hinged side of the main box through a nested connecting assembly; the nesting connecting assembly comprises a bearing piece fixed on the main box and a hanging piece fixedly arranged on the auxiliary box, and the bearing piece and the hanging piece are mutually nested in the vertical direction to form supporting and positioning; the main box and the auxiliary box which can be locked and fixed with each other are detachably connected, and are convenient to pull and carry in the using process.
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Description

Technical Field

[0001] The utility model relates to the technical field of luggage cases, in particular to a combined luggage case. Background Art

[0002] The utility model patent with authorization announcement number CN105962597B discloses a combined suitcase, including a suitcase body and a suitcase rack, and the suitcase body and the suitcase rack are detachable. When one suitcase is not enough to accommodate items, the suitcase rack is detached from the suitcase body to become a suitcase and a rack, both of which can be used to check items. The volume of one suitcase is changed to the volume of two checked items, doubling the volume. When it does not need to be disassembled for use, only one suitcase needs to be carried, which is convenient to carry and does not take up space.

[0003] When carrying long items such as musical instruments or bedding, it is difficult to put them in a regular suitcase, or they have to be carried in the hands or in a bag, which makes it inconvenient to pull them simultaneously during the luggage transport process. Summary of the invention

[0004] The utility model aims to provide a combined luggage case. The utility model comprises a main case and an auxiliary case which can be locked and fixed to each other and can be detachably connected, so that the luggage case is convenient to pull and carry during use.

[0005] To solve this technical problem, the technical solution of the utility model is: a combined luggage case, comprising a main case with a pull rod and moving wheels;

[0006] The main box has a hinged side and a locked side, and an auxiliary box is suspended and positioned on the hinged side of the main box through a nested connection assembly;

[0007] The nested connection assembly includes a supporting member fixed on the main box and a hanging member fixed on the auxiliary box. The supporting member and the hanging member are nested with each other in the vertical direction to form a supporting position.

[0008] As a further improvement, the supporting member includes a first connecting plate fixed to the main box and a clamping plate extending from the middle of the first connecting plate and parallel to the first connecting plate, and the first connecting plate and the clamping plate have a clamping space;

[0009] The hanging member includes a second connecting plate fixed to the auxiliary box and claws which are arranged in pairs and face each other on the second connecting plate and extend away from the second connecting plate to be parallel to the second connecting plate.

[0010] When the supporting member and the hanging member are nested with each other, the claws extend into the clamping space of the supporting member from the vertical direction. The utility model realizes stable hanging positioning between the main box and the auxiliary box through the clamping and positioning between the supporting member and the hanging member, and also facilitates the separation of the main box and the auxiliary box.

[0011] As a further improvement, the lower end of the supporting member is provided with a limiting portion connecting the first connecting plate and the clamping plate. The utility model utilizes the limiting portion to stably support the hanging member, thereby ensuring the relative stability between the main box and the auxiliary box.

[0012] Further improvement, the box body on one side of the main box hinge is provided with a plurality of supporting members fixed to the main box, each of the supporting members has a continuous structure bent vertically along the horizontal direction; the corresponding auxiliary box is provided with a groove-shaped hanging member for accommodating each supporting member on the side facing the main box; the supporting member extends from the part bent vertically to the groove-shaped hanging member to support and position the auxiliary box; the auxiliary box is locked relative to the main box through a locking mechanism. The utility model utilizes the supporting members and the groove-shaped hanging members arranged on the opposite surfaces of the main box and the auxiliary box to cooperate with each other to form the vertical support and horizontal position positioning of the auxiliary box, and the two are easy to assemble.

[0013] As a further improvement, the locking mechanism includes a locking pin that is horizontally arranged and driven by a spring to extend out of the main box toward the auxiliary box. Correspondingly, the auxiliary box is provided with a locking hole for accommodating the portion of the locking pin that extends out of the box body. When the locking pin is pushed into the locking hole by the elastic force of the spring, the main box and the auxiliary box are positioned in the vertical direction. The utility model further realizes the positioning of the main box and the auxiliary box in the vertical direction through the locking mechanism, and the relative positions of the main box and the auxiliary box are fixed, which is convenient for carrying and using the two.

[0014] As a further improvement, the lock pin is nested in the installation slot of the main box, and the lock pin is installed at the bottom of the installation slot through a spring. The utility model realizes the vertical positioning of the auxiliary box by cooperating with the supporting member through the lock pin arranged in the horizontal direction, that is, the lock pin is protected by the main box structure, which is conducive to the stable use of the locking mechanism.

[0015] As a further improvement, the installation groove provided in the main box includes an installation groove for accommodating a spring, and the lock pin has a protrusion extending radially. The protrusion protrudes from the surface of the lock pin body along the radial direction of the lock pin, which facilitates the user's finger to move along the installation groove in a direction away from the auxiliary box, and the lock pin is disengaged from the locking hole of the auxiliary box, and the auxiliary box can be pulled upward to separate the main box from the auxiliary box.

[0016] As a further improvement, the mounting groove is provided with a locking notch connected to the mounting groove along the radial direction of the lock pin, and when the lock pin is retracted to the locking notch, the protrusion of the rotating lock pin enters the locking notch to form the retraction of the lock pin. That is, when the main box is used alone, the lock pin is retracted in the mounting groove of the main box to protect the lock pin.

[0017] By adopting the above technical solution, the beneficial effects of the utility model are:

[0018] The combined luggage case of the utility model comprises a main case with a pull rod and moving wheels, the main case having a hinged side and a locked side, an auxiliary case is suspended and positioned on the hinged side of the main case through a nested connection assembly; the nested connection assembly comprises a supporting member fixed on the main case and a hanging member fixedly arranged on the auxiliary case, the supporting member and the hanging member are mutually nested in a vertical direction to form a supporting positioning; the main case and the auxiliary case are convenient for use in practice and suitable for articles of different lengths or types; the auxiliary case positioned relative to the main case is carried synchronously with the main case, which increases the storage capacity and ensures the convenience of carrying. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of a first embodiment of a modular luggage case involved in the utility model (locked state);

[0020] Figure 2 It is a three-dimensional diagram of a first embodiment of a modular luggage case involved in the utility model (locked state);

[0021] Figure 3 yes Figure 2 Enlarged view of point A in the middle;

[0022] Figure 4 It is a three-dimensional diagram of the main box body in the first embodiment of the utility model (lock pin extended state);

[0023] Figure 5 It is a three-dimensional diagram of the main box body in the first embodiment of the utility model (lock pin retracted state);

[0024] Figure 6 yes Figure 5 Enlarged view of point B in the middle;

[0025] Figure 7 This is a left view of the attached box in the first embodiment of the utility model;

[0026] Figure 8 yes Figure 7 CC section view;

[0027] Fig. 9 is a three-dimensional diagram of a lock pin in the first embodiment of the utility model;

[0028] Fig.10 It is a front view of the second embodiment of the utility model;

[0029] Fig.11 It is a three-dimensional diagram of the attached box in the second embodiment of the utility model;

[0030] Fig.12 It is a three-dimensional diagram of the main box in the second embodiment of the utility model;

[0031] Fig.13 It is a stereoscopic diagram of the nested connection components in the second embodiment of the utility model.

[0032] In the figure:

[0033] pull rod 1; moving wheel 2; main box 3; supporting member 31; first connecting plate 311; clamping plate 312; clamping space 313; limiting portion 314; mounting groove 32; locking notch 33; auxiliary box 4; hanging member 41; second connecting plate 411; claw 412; locking hole 42; locking mechanism 6; locking pin 61; protrusion 611 。 DETAILED DESCRIPTION

[0034] In order to further explain the technical solution of the present utility model, the present utility model is described in detail below through specific embodiments.

[0035] Example 1

[0036] This embodiment discloses a modular luggage case. Figures 1 to 9 As shown, it includes a main box 3 with a pull rod 1 and a moving wheel 2, the main box 3 has a hinged side and a locked side, an auxiliary box 4 is positioned on the hinged side of the main box 3 by self-weight suspension, and the auxiliary box 4 is locked relative to the main box 3 by a locking mechanism 5.

[0037] In this embodiment, a plurality of supporting members 31 fixed to the main box 3 are provided in the box body on one side of the hinge of the main box 3, and each of the supporting members 31 has a continuous structure that is bent vertically along the horizontal direction; correspondingly, a groove-shaped hanging member 41 for accommodating each supporting member 31 is provided on the side of the auxiliary box 4 facing the main box 3; the supporting member 31 extends from the part bent vertically in the horizontal direction to the groove-shaped hanging member 41 to support and position the auxiliary box 4. In this embodiment, the supporting members 31 and the groove-shaped hanging member 41 arranged on the opposite surfaces of the main box 3 and the auxiliary box 4 cooperate with each other to form a vertical support for the auxiliary box 4 and a horizontal position positioning, and the two are easy to assemble. In this embodiment, two pairs of upper and lower supporting members 31 are arranged in pairs along the direction of the pull rod 1, and when the auxiliary box 4 is connected to the side of the main box 3, a stable support is formed.

[0038] The locking mechanism 5 in this embodiment includes a locking pin 61 which is horizontally arranged and driven by a spring to extend out of the main box 3 toward the auxiliary box 4. Correspondingly, the auxiliary box 4 is provided with a locking hole 42 for accommodating the portion of the locking pin 61 extending out of the box body. When the locking pin 61 is pushed into the locking hole 42 by the elastic force of the spring, the main box 3 and the auxiliary box 4 are positioned in the vertical direction. In this embodiment, the locking mechanism 5 further realizes the positioning of the main box 3 and the auxiliary box 4 in the vertical direction. The relative positions of the main box 3 and the auxiliary box 4 are fixed, which is convenient for the transportation and use of the two.

[0039] In this embodiment, the lock pin 61 is embedded in the installation groove 32 provided in the main box 3, and the lock pin 61 is installed at the bottom of the installation groove 32 through a spring. In this embodiment, the lock pin 61 provided in the horizontal direction cooperates with the supporting member 31 to realize the positioning of the auxiliary box 4 in the vertical direction, that is, the lock pin 61 is protected by the structure of the main box 3, which is conducive to the stable use of the locking mechanism 5.

[0040] In this embodiment, the mounting groove 32 provided in the main box 3 includes a mounting hole for accommodating a spring, and the locking pin 61 has a protrusion 611 extending radially. The protrusion 611 protrudes from the main surface of the locking pin 61 along the radial direction of the locking pin 61, which facilitates the user's finger to move along the mounting groove 32 in a direction away from the auxiliary box 4, and the locking pin 61 is disengaged from the locking hole 42 of the auxiliary box 4. The main box 3 and the auxiliary box 4 can be separated by pulling the auxiliary box 4 upward.

[0041] In this embodiment, the mounting hole is provided with a locking notch 33 connected to the mounting groove 32 along the radial direction of the locking pin 61. When the locking pin 61 is retracted to the locking notch 33, the protrusion 611 of the rotating locking pin 61 enters the locking notch 33 to form the retraction of the locking pin 61. That is, when the main box 3 is used alone, the locking pin 61 is retracted in the mounting groove 32 of the main box 3 to form protection for the locking pin 61.

[0042] In this embodiment, the locking mechanism 5 is arranged on the top of the main box 3 .

[0043] The combined luggage case in this embodiment has an auxiliary box 4 positioned on one side of the hinge of the main box 3 by self-weight suspension to realize the relative positioning between the main box 3 and the auxiliary box 4 horizontally, and then cooperates with a locking mechanism 5 to realize the relative positioning between the main box 3 and the auxiliary box 4 vertically. In combination with actual use, the main box 3 and the auxiliary box 4 are convenient for items of different lengths or types; the auxiliary box 4 locked in the main box 3 is carried synchronously with the main box 3, which increases the storage capacity and ensures the convenience of transportation. Figure 1 and Figure 2 As shown, the main box 3 has a conventional rectangular parallelepiped, and the auxiliary box 4 is a conventional rectangular parallelepiped or as shown in FIG. Figure 7 and Figure 8 It has a longer length and is suitable for storing large or irregular items such as musical instruments or quilts.

[0044] Example 2

[0045] The main differences between this embodiment and embodiment 1 are as follows: Figures 10 to 13 As shown, the main box 3 has a hinged side and a locked side, and an auxiliary box 4 is suspended and positioned on the hinged side of the main box 3 through a nested connection component;

[0046] The nested connection assembly includes a supporting member 31 fixed on the main box 3 and a hanging member 41 arranged on the auxiliary box 4. The supporting member 31 and the hanging member 41 are nested with each other in the vertical direction to form a supporting position.

[0047] In this embodiment, the supporting member 31 includes a first connecting plate 311 fixed to the main box 3 and a clamping plate 312 extending from the middle of the first connecting plate 311 and parallel to the first connecting plate 311. The first connecting plate 311 and the clamping plate 312 have a clamping space 313.

[0048] The hanging member 41 includes a second connecting plate 411 fixed to the auxiliary box 4 and claws 412 which are opposite to each other and extend from the second connecting plate 411 to the direction away from the second connecting plate 411 and parallel to the second connecting plate 411; when the supporting member 31 and the hanging member 41 are mutually nested, the claws 412 extend into the clamping space 313 of the supporting member 31 from the vertical direction. The utility model realizes the stable hanging positioning between the main box 3 and the auxiliary box 4 through the clamping and positioning between the supporting member 31 and the hanging member 41, and also facilitates the separation of the main box 3 and the auxiliary box 4.

[0049] The lower end of the supporting member 31 in this embodiment is provided with a limiting portion 314 connecting the first connecting plate 311 and the clamping plate 312. The utility model utilizes the limiting portion 314 to stably support the hanging member 41, thereby ensuring the relative stability between the main box 3 and the auxiliary box 4.

Claims

1. A modular luggage case, characterized in that: It includes a main box with a pull rod and moving wheels; The main box has a hinged side and a locked side, and an auxiliary box is suspended and positioned on the hinged side of the main box through a nested connection assembly; The nested connection assembly includes a supporting member fixed on the main box and a hanging member fixed on the auxiliary box. The supporting member and the hanging member are nested with each other in the vertical direction to form a supporting position.

2. A modular luggage case as claimed in claim 1, characterized in that: The supporting member includes a first connecting plate fixed to the main box and a clamping plate extending from the middle of the first connecting plate and parallel to the first connecting plate, wherein the first connecting plate and the clamping plate have a clamping space; The hanging member includes a second connecting plate fixed to the auxiliary box and claws which are arranged in pairs and face each other on the second connecting plate and extend away from the second connecting plate to be parallel to the second connecting plate. When the supporting member and the hanging member are nested with each other, the clamping claws extend into the clamping space of the supporting member from the vertical direction.

3. A modular luggage case as claimed in claim 2, characterized in that: The lower end of the supporting member is provided with a limiting portion connecting the first connecting plate and the clamping plate.

4. The modular luggage case according to claim 1, characterized in that: A box body at one side of the main box hinge is provided with a plurality of supporting members fixed to the main box, each of the supporting members having a continuous structure bent vertically along the horizontal direction; a corresponding side of the auxiliary box facing the main box is provided with a groove-shaped hanging member for accommodating each supporting member; the supporting member extends from the part bent vertically from the horizontal direction into the groove-shaped hanging member to support and position the auxiliary box; The auxiliary box is locked relative to the main box through a locking mechanism.

5. A modular luggage case as claimed in claim 4, characterized in that: The locking mechanism includes a horizontally arranged locking pin driven by a spring and extending toward the auxiliary box from the main box. Correspondingly, the auxiliary box is provided with a locking hole for accommodating the part of the locking pin extending out of the box body. When the locking pin is pushed into the locking hole by the elastic force of the spring, the main box and the auxiliary box are positioned in the vertical direction.

6. A modular luggage case as claimed in claim 5, characterized in that: The locking pin is nested in a mounting groove arranged on the main box, and the locking pin is installed at the bottom of the mounting groove through a spring.

7. A modular luggage case as claimed in claim 6, characterized in that: The mounting groove provided in the main box includes a mounting groove for accommodating a spring, and the locking pin has a protrusion extending along the radial direction.

8. The modular luggage case according to claim 7, characterized in that: The installation groove is provided with a locking notch connected to the installation groove along the radial direction of the locking pin. When the locking pin is retracted to the locking notch, the protrusion of the rotating locking pin enters into the locking notch to form the contraction of the locking pin.

Citation Information

Patent Citations

  • combination suitcase

    CN105962597B