Large-capacity luggage case
By designing multiple storage compartments, drawstring securing, multiple handles for movement, and using PP material, the stability and convenience issues of large-capacity suitcases are solved, achieving safe and convenient storage and movement of items.
Patent Information
- Application Number
- CN202520465304.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-17
AI Technical Summary
Existing large-capacity suitcases are prone to instability and tipping when loaded with a lot of items, and lack effective functions for securing, separating, and sealing items. They are also not convenient to carry or drag.
A large-capacity suitcase was designed, consisting of two shells connected by a zipper. The interior is lined with mesh and fabric to form multiple storage compartments. It is secured with drawstrings and zippers, and features multiple handles and wheels for easy movement. PP material is used to reduce weight, and a combination lock and wear-resistant texture are added to improve security and aesthetics.
It enables stable fixing and compartmentalized storage of large items, provides multiple moving methods, improves ease of use and safety, and extends service life.
Smart Images

Figure CN223845123U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of luggage technology, and in particular to a large-capacity luggage. Background Technology
[0002] Suitcases are a common storage tool for people's daily travel. Early suitcases were made of wood or other materials. With the improvement of living standards, the materials of suitcases have developed towards hard plastic or cloth. They are also divided into hard-shell and soft-shell types. The capacity of a suitcase has always been a factor that people consider when choosing and buying a suitcase.
[0003] Patent document CN221599386U discloses a large-capacity suitcase, including an outer shell and an inner shell. A handle is fixedly connected to one side of the outer shell, and a locking hole is opened on one side of the outer shell. A sealing strip is fixedly connected to the upper end of the inner shell, and a spring locking mechanism is installed on one side of the inner shell. The spring locking mechanism includes a pin box, and a spring is fixedly connected to the inside of the pin box. One end of the spring is fixedly connected to a pin. An auxiliary wheel storage groove is opened on one side of the inner shell, and an auxiliary wheel mechanism is installed in the auxiliary wheel storage groove. The auxiliary wheel mechanism includes an auxiliary wheel, and a steering wheel is fixedly connected to one end of the auxiliary wheel. A first ball bearing and a second ball bearing are fixedly connected to the outside of the steering wheel. One end of the first ball bearing is rotatably connected to a first fixed shaft, and one end of the second ball bearing is rotatably connected to a second fixed shaft. A fixing groove is opened inside the steering wheel. In this utility model, the disadvantage of the suitcase tipping over due to the unstable center of gravity after extension is avoided, and better steering ability is provided.
[0004] The advantage of the above solution for this large-capacity suitcase lies in its ability to prevent tipping and adjust the center of gravity through the auxiliary wheel mechanism. However, large-capacity suitcases often contain a lot of luggage, some of which need to be secured, some need to be sealed, and some need to be separated. Furthermore, due to their weight, large-capacity suitcases require multiple handles for easy lifting and dragging, thus facilitating opening, closing, and movement. These requirements still need further optimization. Therefore, it is necessary to provide a large-capacity suitcase to address the shortcomings of existing technologies. Utility Model Content
[0005] The purpose of this invention is to overcome the shortcomings of existing technologies and provide a large-capacity suitcase.
[0006] The technical solution adopted by this utility model to solve its technical problem is:
[0007] A kind of large capacity luggage, including box, box includes box shell one and box shell two, box shell one and box shell two are connected by zipper one, box shell one is equipped with mesh cloth, mesh cloth is connected with box shell one by zipper two, storage cavity one is formed between box shell one and mesh cloth, the top of box shell one is equipped with pull rope one, the end of pull rope one is equipped with male buckle, the bottom of box shell one is equipped with pull rope two, the end of pull rope two is equipped with female buckle, male buckle is inserted with female buckle, the articles in the box are fixed by pull rope one and pull rope two, box cloth one is equipped in box shell two, box cloth one is connected with box shell two by zipper three, storage cavity two is formed between box shell two and box cloth one, box cloth two is equipped on the front of box cloth one, box cloth two is connected with box cloth one by zipper four, storage cavity three is formed between box cloth one and box cloth two, the articles in the box are stored, separated and sealed by storage cavity one, storage cavity two and storage cavity three.
[0008] The utility model further sets up, box shell one front is equipped with handle one, box shell two side is equipped with handle two, box shell two top is equipped with handle three, box shell two back top is equipped with telescopic rod.
[0009] The utility model further sets up, box shell two side is equipped with coded lock, coded lock is located handle two top, coded lock is TSA customs coded lock.
[0010] The utility model further sets up, box shell one is equipped with wear-resistant pattern, wear-resistant pattern is around handle one and is equipped with.
[0011] The utility model further sets up, box shell two front is equipped with support block symmetrically, support block is protruding from the surface of box shell two.
[0012] The utility model further sets up, the bottom of box shell one and box shell two is equipped with gyro wheel symmetrically, gyro wheel is universal wheel.
[0013] The utility model further sets up, and the material of box is PP material.
[0014] Summarized above, the utility model has following beneficial effect:
[0015] 1., the utility model can place large specification articles in storage cavity one and storage cavity two, and the articles can be fixed by the insertion of pull rope one and pull rope two, mesh cloth and box cloth can separate articles, and storage cavity three can place miscellaneous articles or articles that need to be sealed, while loading large specification articles, the articles can be separated and stored.
[0016] 2., the utility model is equipped with handle one, handle two, handle three and telescopic rod, can meet the lifting and dragging of box in different states and different scenes, high practicality, more convenient.
[0017] 3. The wear-resistant pattern arranged on the surface of the box shell and the supporting block arranged on the front surface of the second box shell can protect the surfaces of the first box shell and the second box shell respectively, and avoid scratches affecting the appearance and quality of the box body. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is the front view of the utility model.
[0019] Figure 2 is the rear view of the utility model.
[0020] Figure 3 is the structure schematic view of the box body being opened.
[0021] In the figure, 1 is a box body, 2 is a first box shell, 3 is a second box shell, 4 is a zipper, 5 is a mesh cloth, 6 is a second zipper, 7 is a first pull rope, 8 is a male buckle, 9 is a second pull rope, 10 is a female buckle, 11 is a first box cloth, 12 is a third zipper, 13 is a second box cloth, 14 is a fourth zipper, 15 is a handle, 16 is a second handle, 17 is a third handle, 18 is an extension rod, 19 is a password lock, 20 is a wear-resistant pattern, 21 is a supporting block, and 22 is a roller. DETAILED DESCRIPTION
[0022] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0023] Embodiment 1:
[0024] In this embodiment, as Figures 1-2As shown, the utility model provides a kind of large capacity suitcase, including box 1, box includes box shell one 2 and box shell two 3, box shell one and box shell two are connected by zipper one 4, box shell one is equipped with mesh cloth 5, mesh cloth is connected with box shell one by zipper two 6, and storage cavity one is formed between box shell one and mesh cloth, the top of box shell one is equipped with pull rope one 7, the end of pull rope one is equipped with male buckle 8, the bottom of box shell one is equipped with pull rope two 9, the end of pull rope two is equipped with female buckle 10, male buckle is inserted with female buckle, and the article in box is fixed by pull rope one and pull rope two, box cloth one 11 is equipped in box shell two, box cloth one is connected with box shell two by zipper three 12, and storage cavity two is formed between box shell two and box cloth one, box cloth two 13 is equipped in the front of box cloth one, and box cloth two is connected with box cloth one by zipper four 14, and storage cavity three is formed between box cloth one and box cloth two, and the article in box is stored, separated and sealed by storage cavity one, storage cavity two and storage cavity three.
[0025] In the present example, storage cavity one, storage cavity two and storage cavity three are not marked in the figure, and storage cavity one and storage cavity two are used to place larger and more articles, such as clothes, etc., mainly play the role of storage, and after arranging and placing, the article can be fixed by inserting and connecting pull rope one and pull rope two, and pull rope one and pull rope two can also be correspondingly arranged in the inside of box shell two, storage cavity three is used to place scattered articles or articles that need to be sealed, mainly plays the role of sealing and separation, and at the same time, since the mesh cloth has elasticity, the article can be placed on the surface of the mesh cloth, and after zipper one locks box shell one and box shell two, storage cavity four is formed between mesh cloth and box cloth one, and storage cavity four can also be used to separate and store articles.
[0026] In the present example, zipper one, zipper two, zipper three and zipper four are all YKK zippers.
[0027] In the present example, further setting is that box shell one is equipped with handle one 15 in front, box shell two is equipped with handle two 16 on side, box shell two is equipped with handle three 17 on top, and telescopic rod 18 is equipped on the top of back of box shell two.
[0028] In the present example, when the box needs to be opened, the box can be placed on the fixed object by lifting handle one, and then the box is opened, when the road condition is not suitable for dragging and needs to be lifted for a long time, the box can be moved by lifting handle two, when the road condition is not suitable for dragging and only needs to be lifted for a short time, the box can be moved by lifting handle three, and when the road condition is suitable for dragging, the box can be dragged by telescopic rod.
[0029] In the present example, further setting is that box shell two is equipped with password lock 19 on side, and the password lock is above handle two.
[0030] In this example, the combination lock is compatible with the zipper, and the zipper is inserted into the lock body to lock it. The lock is opened by rotating the digital combination until the combination reaches the set value. This technology is existing technology and will not be described in detail here. The combination lock is a TSA customs combination lock, which is convenient for security checks when leaving the country.
[0031] In this embodiment, the casing is further configured such that the casing has wear-resistant texture 20, which surrounds the handle.
[0032] In this example, the wear-resistant texture can not only enhance the wear resistance of the box surface, but also enhance the overall aesthetics of the box and reduce the visual impact of the handle. The wear-resistant texture can also be applied to the box shell.
[0033] In this embodiment, the support blocks 21 are symmetrically provided on the front side of the second housing, and the support blocks protrude from the surface of the second housing.
[0034] In this example, when the box needs to be opened, the front of the second box is placed on a fixed object. To prevent the surface of the second box from being rubbed or scratched, the second box can be supported by a support block, which also prevents the surface of the second box from getting dirty.
[0035] In this embodiment, the bottoms of the first and second housings are symmetrically provided with rollers 22.
[0036] In this example, the wheels are omnidirectional wheels, which can rotate 360 degrees, avoiding difficulty in steering due to the excessive weight of the box.
[0037] In this embodiment, the housing material is further configured to be PP material.
[0038] In this example, the suitcase body is made of PP material, which has many advantages, such as light weight, making the suitcase made of this material lighter; good flexibility and impact resistance, which can better protect the items inside the suitcase; strong chemical stability, not easily corroded or aged, which can maintain the stability of the suitcase's appearance and performance and extend its service life; and environmentally friendly and cost-effective, as PP material is recyclable.
[0039] Example 2:
[0040] In this embodiment, as Figures 1-3As shown, on the basis of embodiment 1, the front of the box cloth one is provided with box cloth two and box cloth three, the box cloth two and the box cloth one are connected through the zipper four, the box cloth one and the box cloth two form the storage cavity three, the box cloth three and the box cloth one are connected through the zipper five, the box cloth one and the box cloth three form the storage cavity five, similarly, the back of the box cloth one is provided with box cloth four and box cloth five, the box cloth four and the box cloth one are connected through the zipper six, the box cloth one and the box cloth four form the storage cavity six, the box cloth five and the box cloth one are connected through the zipper seven, the box cloth one is integrated with multiple small spaces, thereby the scattered articles are separated and stored, can be customized according to customer demand, and the application range is wider.
[0041] In the embodiment, the box size is 28 inches, and the capacity is 109 liters.
[0042] In the description of the utility model, it is necessary to explain that when the terms of indicating the orientation or position relationship of "up", "down", "inner", "outer", "left", "right" and the like appear, it should be understood that the orientation or position relationship is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly used when the utility model product is used, or the orientation or position relationship commonly understood by the person skilled in the art, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, a specific orientation and operation, and therefore cannot be understood as limiting the utility model. In addition, when the terms of "first", "second" and the like appear, they are only used for distinguishing description, and cannot be understood as indicating or implying relative importance. In the description of the utility model, it is also necessary to explain that, unless otherwise specified and limited, the terms of "installation", "setting", "connection" and the like should be understood in a broad sense, for example, "connection" can be fixed connection, can be detachable connection, or integral connection; can be mechanical connection, can be electrical connection; can be direct connection, or indirect connection through intermediate medium, or the communication between two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
Claims
1. A large capacity luggage case comprising a case body including a case shell one and a case shell two, the case shell one and the case shell two being connected by a zipper one, characterized in that, The box shell one is internally provided with a mesh cloth, the mesh cloth is connected with the box shell one through a zipper two, a storage cavity one is formed between the box shell one and the mesh cloth, a pull rope one is arranged at the top of the box shell one, a male buckle is arranged at the end of the pull rope one, a pull rope two is arranged at the bottom of the box shell one, a female buckle is arranged at the end of the pull rope two, the male buckle and the female buckle are inserted, the pull rope one and the pull rope two are used for fixing the articles in the box, the box cloth one is arranged in the box shell two, the box cloth one is connected with the box shell two through a zipper three, a storage cavity two is formed between the box shell two and the box cloth one, the box cloth one is provided with a box cloth two on the front side, the box cloth two is connected with the box cloth one through a zipper four, a storage cavity three is formed between the box cloth one and the box cloth two, the articles in the box are stored, separated and sealed by the storage cavity one, the storage cavity two and the storage cavity three.
2. A large capacity luggage case according to claim 1 wherein, The box shell one is provided with a handle one on the front side, the box shell two is provided with a handle two on the side, the box shell two is provided with a handle three on the top side, and the box shell two is provided with an extension rod on the top of the back side.
3. A large capacity luggage case according to claim 2, wherein, The box shell two is provided with a password lock on the side, and the password lock is arranged above the handle two.
4. A large capacity luggage case according to claim 2, wherein, The box shell one is provided with wear-resistant lines, and the wear-resistant lines are arranged around the handle one.
5. The large capacity luggage case of claim 1 wherein, The box shell two is symmetrically provided with support blocks on the front side, and the support blocks protrude from the surface of the box shell two.
6. The large capacity luggage case of claim 1 wherein, The box shell one and the box shell two are symmetrically provided with rollers at the bottom.
7. The large capacity luggage case of claim 1 wherein, The box is made of PP material.
Citation Information
Patent Citations
Large-capacity luggage case
CN221599386U