Two-in-one combined structure of large luggage case and small luggage case
By using a mortise and tenon joint structure to connect the large and small rolling suitcases, the problems of unstable combination structure and complicated operation of the suitcases are solved, achieving a stable connection and flexible storage of items, thus improving the practicality and design of the suitcases.
Patent Information
- Application Number
- CN202520219742.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-02-12
AI Technical Summary
Existing suitcases have poor modular structure and are complicated to operate, resulting in inconvenience. Furthermore, their internal volume is severely reduced, affecting flexibility and convenience.
The design employs a mortise and tenon joint structure, combining a large rolling suitcase and a small rolling suitcase. The interlocking of the tenon and mortise, along with the folding pulley design, combined with the design shown in Figure 4, enables the categorized storage of items and provides flexibility.
It achieves a stable connection for the suitcase, enhances the modernity and style of the design, improves the flexibility and convenience of item classification and storage, and increases the practicality and versatility of the suitcase.
Smart Images
Figure CN223787245U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of luggage, more particularly to a big and small luggage two-in-one combined structure. BACKGROUND
[0002] The types of luggage on the market are rich in variety, and the functions are various, and the diversification feature is obvious. With the increasing demand of consumers for travel, people pay more attention to the functionality and practicability of luggage, and the current market luggage is divided into two structural modes of integral type and combined type.
[0003] The integral type luggage lacks flexibility, limits the flexibility and diversity of stored articles, and cannot take the required articles at any time.
[0004] And the current combined luggage mostly adopts embedding or plug-in mode for assembly, and the combined structure is complicated and huge, which leads to serious reduction of the internal volume of the luggage, and the stability of the combined structure is poor, and the combined luggage is easy to disintegrate and scatter after being combined, the operation mode is relatively complex, which leads to difficulty in combining and disassembling the luggage, and affects the use convenience of the luggage. INVENTION CONTENTS
[0005] The utility model aims at solving the defects in the prior art and provides a big and small luggage two-in-one combined structure.
[0006] To solve the above problems, the utility model adopts the following technical scheme:
[0007] A big and small luggage two-in-one combined structure, comprising a large trolley suitcase and a small trolley suitcase, a seat type recessed part is formed in the top rear end of the large trolley suitcase, a mortise and tenon combined structure is arranged on the seat type recessed part, and the small trolley suitcase is detachably installed at the seat type recessed part through the mortise and tenon combined structure.
[0008] The mortise and tenon combined structure comprises a protruding tenon structure arranged on the large trolley suitcase, the tenon structure is located on the side wall of the seat type recessed part, a recessed mortise structure is arranged on the side wall of the small trolley suitcase, the tenon structure is large at one end and small at the other end, the opening of the mortise structure is large on one side and small on the other side, and the tenon structure is inserted into the mortise structure from the large end and pushed to the small side to fasten the small trolley suitcase and the large trolley suitcase.
[0009] As a further description of the above technical scheme, the bottom of the large trolley suitcase and the small trolley suitcase is provided with a folding storage groove, and a folding pulley is installed in the folding storage groove.
[0010] As a further description of the above technical solutions: the side wall of the seat type recess is provided with a mounting groove, the side wall of the small trolley case is fixedly connected with a mounting block corresponding to the mounting groove, the tenon structure is fixedly installed in the mounting groove, and the mortise structure is arranged in the mounting block.
[0011] As a further description of the above technical solutions: the size of the small trolley case is adapted to the area size of the seat type recess.
[0012] As a further description of the above technical solutions: the outer side walls of the large trolley case and the small trolley case are uniformly and spacedly provided with reinforcing ribs.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] The tenon and mortise combined structure is used to combine the large and small trolley cases, the convex tenon and the recessed mortise are mutually engaged, and no iron nails are used, so that the stable connection of components is realized, and the modern sense and fashion degree of the design are improved. The design of the large and small combined trolley case makes the classified storage of articles reasonable, the articles that need to be taken at any time can be placed in the small trolley case, and the flexibility is increased. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structural schematic view of the utility model;
[0016] Figure 2 It is a structural schematic view of the utility model after the large and small trolley cases are combined;
[0017] Figure 3 It is a structural schematic view of the mortise structure of the utility model;
[0018] Figure 4 It is a structural schematic view of the folding pulley of the utility model.
[0019] Explanation of reference numerals in the drawing:
[0020] 1, large trolley case; 2, small trolley case; 3, seat type recess; 4, tenon and mortise combined structure; 41, tenon structure; 42, mortise structure; 43, mounting groove; 44, mounting block; 5, folding storage groove; 6, folding pulley; 7, reinforcing rib. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model; obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] Please refer to Figures 1-4 A size luggage two-in-one combination structure, comprising a large trolley suitcase 1 and a small trolley suitcase 2, a top rear end of the large trolley suitcase 1 is concave to form a seat recess 3, a mortise and tenon combination structure 4 is arranged on the seat recess 3, the small trolley suitcase 2 is detachably installed at the seat recess 3 through the mortise and tenon combination structure 4, and the size of the small trolley suitcase 2 is adapted to the area of the seat recess 3. The design of the above-mentioned size combination suitcase makes the classified storage of articles reasonable, and the articles that need to be taken at any time can be placed in the small trolley suitcase 2, thereby increasing the flexibility.
[0023] As shown in Figure 1 , 3 , the mortise and tenon combination structure 4 comprises a protruding tenon structure 41 arranged on the large trolley suitcase 1, the tenon structure 41 is located on the side wall of the seat recess 3, a recessed mortise structure 42 is arranged on the side wall of the small trolley suitcase 2, the tenon structure 41 is large at one end and small at the other end, the opening of the mortise structure 42 is half large and half small, the tenon structure 41 is inserted into the mortise structure 42 from the large end and pushed to the small end, so that the small trolley suitcase 2 is buckled with the large trolley suitcase 1, and vice versa, so that the mortise and tenon structure can be disassembled and the size of the suitcase can be separated.
[0024] In addition, an installation groove 43 is arranged on the side wall of the seat recess 3, an installation block 44 is fixedly connected to the side wall of the small trolley suitcase 2 corresponding to the installation groove 43, the tenon structure 41 is fixedly installed in the installation groove 43, and the mortise structure 42 is arranged in the installation block 44. The cooperation of the installation groove 43 and the installation block 44 can increase the contact area between the small trolley suitcase 2 and the large trolley suitcase 1, thereby enhancing the stability of the whole combination structure. If the tenon structure 41 or the mortise structure 42 is damaged during use, the components in the installation block or the installation groove can be conveniently replaced individually without the need for large-scale maintenance or replacement of the whole suitcase.
[0025] Further, as shown in Figure 4 , the bottom of the large trolley suitcase 1 and the bottom of the small trolley suitcase 2 are provided with folding storage grooves 5, and folding pulleys 6 are installed in the folding storage grooves 5. When the wheels of the small trolley suitcase 2 are exposed, the separate use requirement of the small suitcase is met; when the wheels are retracted, the combination requirement of the large and small suitcases is met. This design improves the practicability of the suitcase, enhances the convenience of use, and improves the diversification and individualization of the product.
[0026] In addition, reinforcing ribs 7 are uniformly and spacedly arranged on the outer side walls of the large trolley suitcase 1 and the small trolley suitcase 2, thereby enhancing the compression strength of the trolley suitcase.
[0027] The above merely describes a preferred embodiment of the present application; the scope of protection of the present application is not limited thereto. Any skilled person in the art, according to the technical scheme and improvement concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the scope of protection of the present application.
Claims
1. A size luggage two-in-one combination structure, comprising a large trolley luggage (1) and a small trolley luggage (2), characterized in that: The top rear end of the large trolley suitcase (1) is concave to form a sitting recess (3), and a mortise and tenon structure (4) is arranged on the sitting recess (3), and the small trolley suitcase (2) is detachably installed at the sitting recess (3) through the mortise and tenon structure (4); The mortise and tenon structure (4) comprises a protruding tenon structure (41) arranged on the large trolley suitcase (1), the tenon structure (41) is located on the side wall of the sitting recess (3), a recessed mortise structure (42) is arranged on the side wall of the small trolley suitcase (2), the tenon structure (41) is large at the bottom and small at the top, the opening of the mortise structure (42) is half large and half small, and the tenon structure (41) is inserted into the mortise structure (42) from the large end and pushed to the small side to fasten the small trolley suitcase (2) with the large trolley suitcase (1).
2. The two-in-one luggage set of claim 1, wherein: The bottom of the large trolley suitcase (1) and the small trolley suitcase (2) is provided with a folding storage groove (5), and a folding pulley (6) is installed in the folding storage groove (5).
3. The two-in-one luggage assembly of claim 1, wherein: A mounting groove (43) is arranged on the side wall of the sitting recess (3), a mounting block (44) is fixedly connected to the side wall of the small trolley suitcase (2) corresponding to the mounting groove (43), the tenon structure (41) is fixedly installed in the mounting groove (43), and the mortise structure (42) is arranged in the mounting block (44).
4. The two-in-one luggage assembly of claim 1, wherein: The size of the small trolley suitcase (2) is matched with the size of the sitting recess (3).
5. The two-in-one luggage assembly of claim 1, wherein: The outer side walls of the large trolley suitcase (1) and the small trolley suitcase (2) are uniformly and spacedly provided with reinforcing ribs (7).