Heavy-load trolley case wheel set device
Through the combination of combined wheel seats and all-terrain rubber wheels, the problem of poor passability of existing trolley luggage wheel sets is solved, and higher support and adaptability are achieved, ensuring normal travel under heavy load conditions and Beautiful and trendy style.
Patent Information
- Application Number
- CN202420430068.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-06
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-03-06
AI Technical Summary
The existing trolley luggage wheel sets have poor passability, which makes it easy to crack the wheel body during use, resulting in travel obstacles.
The design of combining the combined wheel seat and all-terrain rubber wheel is adopted. Through the precise alignment of the inner and outer seat shells and the engagement of the aligned auxiliary grooves, the support and heavy load strength of the wheel seat are lifted, and the all-terrain rubber wheel is passed through the all-terrain rubber wheel. The design adapts to different terrains and increases the passivity of movement.
It improves the passability and durability of the trolley bag, ensures normal travel under heavy load conditions, and improves the stability and aesthetics of the trolley bag when carrying it.
Smart Images

Figure CN222236947U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of trolley cases, in particular to a heavy-duty trolley case wheel set device. Background Art
[0002] A trolley bag refers to a suitcase or bag with a trolley and wheels. It is widely used in life because of its convenience. At the same time, a trolley bag has a trolley outside the case or bag, and is divided into a single-tube trolley and a double-tube trolley. The tube of the trolley is also divided into square tubes and round tubes, which makes it easy to drag while walking, greatly reducing the burden of carrying luggage when traveling.
[0003] The current wheel sets of trolley bags are mainly installed at the bottom of the trolley bags to facilitate the movement of the box or bag. However, most of the wheels in the existing trolley bag wheel sets are made of plastic, and some wheel sets are made of tires covered with rubber, and the surface is smooth. As a result, the passability may be poor or the wheel body may crack after a certain period of use or during use, which may easily hinder travel. Utility Model Content
[0004] In response to the above problems, the utility model provides a heavy-load trolley case wheel assembly device, which supports and moves the trolley case with heavy loads by adapting a combined wheel seat to an all-terrain rubber wheel with a hub. This can not only increase the support of the wheel seat for the case, but also rely on the all-terrain rubber tire with its thicker and deeper texture design to adapt to different terrains, ensuring movement when heavy-loaded, thereby improving passability while ensuring normal travel when carrying the trolley case.
[0005] In order to achieve the above-mentioned purpose, the utility model is realized by the following technical scheme: a heavy-duty trolley case wheel assembly device, comprising a combined wheel seat, a wheel assembly is installed on the combined wheel seat, and a hub cover is arranged on one side of the wheel assembly; an external seat shell is arranged inside the combined wheel seat, a built-in adapter shell is engaged in the external seat shell, an inner concave wheel groove for installing the wheel assembly is formed on the external seat shell, a hub cover groove is provided on the outer surface of the external seat shell, a plurality of connecting pin holes are provided on the external seat shell, a plurality of screw fixing holes are provided on the external seat shell, an integrated structure of alignment bolt rods are installed on the inner surface of the external seat shell, and an axle hole is arranged next to the outer surface of the inner concave wheel groove. The inner concave wheel groove is mainly used to adapt the wheel assembly, so as to better fix the wheel assembly, so that the combined wheel seat can be displaced accordingly, and the passability, durability and stability of the trolley case are improved.
[0006] Furthermore, a shell is arranged inside the built-in adapter shell, and a plurality of alignment auxiliary reinforcement grooves are installed on the inner surface of the shell, and an alignment cover is arranged below one of the alignment auxiliary reinforcement grooves, and a hollow engagement groove for engagement is provided on the shell. The alignment auxiliary reinforcement groove and the cover provided on the shell are mainly used for alignment during docking, so that the shell and the external seat shell can be accurately aligned and engaged, so as to enhance the connection support and heavy-load strength of the shell to the upper trolley case or trolley bag.
[0007] Furthermore, the hollow snap-fit groove is matched with the concave wheel groove and is snap-fitted, the alignment auxiliary grooves are respectively installed on both sides of the hollow snap-fit groove, the alignment cover is matched with the alignment bolt rod, the alignment auxiliary groove is aligned with the screw fixing hole, the connecting pin hole provided on the side wall of the shell is at the same position as that on the external seat shell, and the wheel assembly is installed in the concave wheel groove. The wheel assembly is mainly covered and installed by the semi-arc concave wheel groove that matches its shape, so that the wheel assembly can be protected by the concave accessory groove all around, and the wheel assembly can be prevented from falling off and being damaged due to collision during use.
[0008] Furthermore, a wheel hub is provided inside the wheel assembly, an all-terrain rubber wheel is embedded outside the wheel hub, and a rotating shaft for rotation runs through the center of the wheel hub. The wheel hub is not limited to the style shown in the figure, and can be customized accordingly according to needs or special styles. At the same time, the wheel hub mainly provides internal support for the all-terrain rubber wheel to improve the support strength of the all-terrain rubber wheel and prevent unnecessary deformation of the all-terrain rubber wheel. The all-terrain rubber wheel is mainly made of rubber, and is designed with wider, thicker and deeper textures to adapt to different terrains.
[0009] Furthermore, one end of the rotating shaft passes through the shaft hole, and the other end of the rotating shaft passes through the center of the hub cover groove, and the hub cover groove is fixed to the hub cover. The hub cover is mainly beneficial to cover the rotating shaft, which can improve the appearance and protect the rotating shaft from the reduction of the rotation force due to external factors.
[0010] Beneficial Effects
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] The utility model combines an external seat shell and an internal adapter shell in the combined wheel seat, and when connected, the alignment cover cover and the docking auxiliary reinforcement groove on the shell are accurately aligned to overlap the two, thereby increasing the support and heavy-load strength of the wheel seat for the trolley case. At the same time, the all-terrain rubber tire can be used to improve the passability of the combined wheel seat when used in actual carrying, ensuring normal travel when carrying the trolley case.
[0013] The utility model forms a new appearance trend attempt through the use of the wheel hub and the all-terrain rubber wheel in the wheel assembly, making the trolley bag have the style of a hard-core trolley bag, ensuring the passability while forming a trendy style. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a structural schematic diagram of a heavy-duty trolley bag wheel assembly device of the utility model;
[0015] Figure 2 It is a schematic diagram of the exploded structure of a heavy-duty trolley luggage wheel assembly device in a side view according to the utility model;
[0016] Figure 3 The utility model is a rear view of the exploded structure of a heavy-duty trolley bag wheel assembly device.
[0017] In the figure: combined wheel seat-1, wheel assembly-2, hub cover-3, external seat shell-11, concave matching wheel groove-12, hub cover groove-13, connecting pin hole-14, screw fixing hole-15, built-in adapter shell-16, through-shaft hole-17, alignment bolt rod-18, wheel hub-21, all-terrain rubber wheel-22, rotating shaft-23, shell-161, docking auxiliary reinforcement groove-162, alignment cover cover-163, hollow snap-in groove-164. DETAILED DESCRIPTION
[0018] The technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0019] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0020] Example
[0021] like Figure 1-Figure 3 As shown, Figure 1 This is a structural schematic diagram of a heavy-duty trolley bag wheel assembly device of the utility model; Figure 2It is a schematic diagram of the exploded structure of a heavy-duty trolley luggage wheel assembly device in a side view according to the utility model; Figure 3 The utility model is a rear view of the exploded structure of a heavy-duty trolley bag wheel assembly device.
[0022] The utility model provides a heavy-duty trolley case wheel set device, a heavy-duty trolley case wheel set device, comprising a combined wheel seat 1, a wheel assembly 2 is mounted on the combined wheel seat 1, a hub cover 3 is arranged on one side of the wheel assembly 2; an external seat shell 11 is arranged inside the combined wheel seat 1, a built-in adapter shell 16 is engaged inside the external seat shell 11, an inner concave wheel groove 12 for mounting the wheel assembly 2 is formed on the external seat shell 11, a hub cover groove 13 is opened on the outer surface of the external seat shell 11, a plurality of connecting pin holes 14 are opened on the external seat shell 11, a plurality of screw fixing holes 15 are opened on the external seat shell 11, an integrated structure of the alignment bolt rod 18 is installed on the inner surface of the external seat shell 11, and an axle hole 17 is arranged next to the outer surface of the inner concave wheel groove 12. A wheel hub 21 is arranged inside the wheel assembly 2, an all-terrain rubber wheel 22 is nested outside the wheel hub 21, and a rotating shaft 23 for rotation is passed through the center of the wheel hub 21. A shell 161 is disposed in the built-in adapter shell 16 , and a plurality of alignment auxiliary grooves 162 are installed on the inner surface of the shell 161 , wherein an alignment cover 163 is disposed below the alignment auxiliary groove 162 , and a hollow engagement groove 164 for engagement is opened on the shell 161 .
[0023] Among them, the wheel hub 21 is made of aluminum alloy, which is used to adapt to the externally nested all-terrain rubber wheel 22, and secondly, to provide the all-terrain rubber wheel 22 with corresponding supporting strength and heavy-load capacity, so that its passability can be significantly improved.
[0024] The all-terrain rubber wheel 22 is made of rubber and has a wider, thicker and deeper wheel body design, so that it can adapt to different terrains and can be used as if walking on flat ground in different carrying and traveling occasions.
[0025] The working principle of the utility model is described as follows:
[0026] The utility model forms a combined wheel seat 1 by combining its external shell seat 11 with the internal adapter shell 16. During the combination process, the connecting pin holes 14 of the two are connected from where, the auxiliary fixing grooves 162 and the alignment cover 163 are accurately connected with the alignment bolt rods 18 and the connecting bolts, and the concave wheel groove 12 is engaged in the hollow engagement groove 164 on the shell 161 to install the wheel assembly 2. The inner surface forms a fixed connection with the trolley case, and the all-terrain rubber wheel 22 is installed on the outside of the wheel hub 21. The center is penetrated by the rotating shaft 23, one end of which is penetrated through the shaft hole 17, and the other end is installed in the hub cover groove 13. After it is ready, the hub cover 3 is covered to allow the all-terrain rubber wheel 22 to assist the movement of the combined wheel seat 1, so as to ensure the support while improving the heavy-load passability of the wheel assembly device when traveling.
[0027] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0028] Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the utility model is limited by the appended claims rather than the above description, so it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model. Any reference numerals in the claims should not be regarded as limiting the claims involved.
Claims
1. A heavy-duty trolley bag wheel assembly device, characterized in that: It comprises a combined wheel seat (1), a wheel assembly (2) is mounted on the combined wheel seat (1), and a hub cover (3) is arranged on one side of the wheel assembly (2); The combined wheel seat (1) is provided with an external seat shell (11), the external seat shell (11) is engaged with an internal adapter shell (16), the external seat shell (11) is formed with an inner concave wheel groove (12) for installing the wheel assembly (2), the outer surface of the external seat shell (11) is provided with a hub cover groove (13), the external seat shell (11) is provided with a plurality of connecting pin holes (14), the external seat shell (11) is provided with a plurality of screw fixing holes (15), the inner surface of the external seat shell (11) is installed with an integrated structure of the alignment bolt rod (18), and the outer surface of the inner concave wheel groove (12) is provided with an axle hole (17).
2. A heavy-duty trolley bag wheel assembly device according to claim 1, characterized in that: A shell (161) is arranged inside the built-in adapter shell (16), and a plurality of alignment auxiliary grooves (162) are installed on the inner surface of the shell (161), wherein an alignment cover (163) is arranged below one of the alignment auxiliary grooves (162), and a hollow engagement groove (164) for engagement is opened on the shell (161).
3. A heavy-duty trolley bag wheel assembly device according to claim 2, characterized in that: The hollow engaging groove (164) is adapted to and engaged with the inner concave wheel matching groove (12); the alignment auxiliary groove (162) is respectively installed on both sides of the hollow engaging groove (164); the alignment cover (163) cooperates with the alignment bolt rod (18); the alignment auxiliary groove (162) is aligned with the screw fixing hole (15); the connecting pin hole (14) provided on the side wall of the housing (161) is at the same position as that on the external seat shell (11); and the wheel assembly (2) is installed in the inner concave wheel matching groove (12).
4. A heavy-duty trolley bag wheel assembly device according to claim 3, characterized in that: A wheel hub (21) is arranged inside the wheel assembly (2), an all-terrain rubber wheel (22) is nested outside the wheel hub (21), and a rotating shaft (23) for rotation passes through the center of the wheel hub (21).
5. A heavy-duty trolley bag wheel assembly device according to claim 4, characterized in that: One end of the rotating shaft (23) passes through the shaft hole (17), and the other end of the rotating shaft (23) passes through the center of the hub cover groove (13), and the hub cover groove (13) is fixed to the hub cover (3).