Container with folding rollers
By designing a foldable roller device at the bottom of the container and using a rotating seat to switch between different positions, the problem of frequent roller disassembly is solved, achieving an efficient transportation process and reducing labor and time costs.
Patent Information
- Application Number
- CN202423084769.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-12-13
AI Technical Summary
Existing container rolling devices require frequent disassembly and installation, resulting in high labor and time costs and limiting transportation efficiency.
Design a folding roller device that allows the roller to be unfolded and folded by switching between a first and a second position via a rotating seat, avoiding disassembly and ensuring that the roller remains fixed at the bottom of the container during transport.
It eliminates the need to disassemble the roller assembly, saving manpower and time costs, improving transportation efficiency, reducing workload, and having a simple structure that does not take up extra space.
Smart Images
Figure CN223546880U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of container technology, and in particular to a container with folding rollers. Background Technology
[0002] Hooklift transport is increasingly used, enabling fast and convenient loading and unloading without the need for lifting equipment or forklifts. In this mode, a pair of rollers is typically installed at the rear of the container, with the lower surface of the rollers extending beyond the bottom of the container. After the front of the container is lifted by the hooklift, the rollers are attached, the container is then towed onto the vehicle chassis, and finally the rollers are removed, allowing for normal loading and transport of the container.
[0003] The roller device is installed when needed and needs to be removed after use, which is time-consuming and labor-intensive, and to some extent limits the efficiency of this transportation mode.
[0004] The information disclosed in this background section is only intended to enhance the understanding of the background technology of this application, and therefore may include prior art that is not known to those skilled in the art. Summary of the Invention
[0005] In response to the problems mentioned in the background art, this utility model proposes a container with foldable rollers, which do not need to be disassembled, saving labor and time costs and improving transportation efficiency.
[0006] To achieve the above-mentioned objectives, the present invention employs the following technical solution:
[0007] In some embodiments of this application, the present invention provides a container with folding rollers, comprising:
[0008] Box body;
[0009] The roller device includes: a support portion disposed at the bottom of the box body; a rotating seat rotatably connected to the support portion, the rotating seat having a first position and a second position, the rotating seat rotating to switch between the first position and the second position; and a roller rotatably connected to the rotating seat.
[0010] In the first position, the lower surface of the roller extends beyond the bottom surface of the box body, so that the roller contacts the ground; in the second position, the roller is detached from the ground.
[0011] In some embodiments of this application, the rotating seat is provided with a first limiting hole and a second limiting hole, and the support portion is provided with a third limiting hole; a fixing pin passes through the first limiting hole and the third limiting hole to lock the rotating seat in the first position; a fixing pin passes through the second limiting hole and the third limiting hole to lock the rotating seat in the second position.
[0012] In some embodiments of this application, the support portion is provided with a hanging portion, and the fixing pin is connected to the hanging portion.
[0013] In some embodiments of this application, the mounting part is a chain bolt.
[0014] In some embodiments of this application, the rotating seat includes a first sub-rotating seat and a second sub-rotating seat. The second sub-rotating seats are provided at opposite ends of the first sub-rotating seat. The second sub-rotating seats are provided with the first limiting hole and the second limiting hole. The roller is rotatably disposed between the two second sub-rotating seats.
[0015] In some embodiments of this application, the second sub-rotating seat is provided with a first rotating hole, the support part is provided with a second rotating hole, and a first rotating shaft passes through the first rotating hole and the second rotating hole.
[0016] In some embodiments of this application, the first rotating shaft is located on one side of the first sub-rotating seat, and the roller is located on the opposite side of the first sub-rotating seat.
[0017] In some embodiments of this application, the support portion includes two support plates, which are fixedly connected to the bottom of the box body, and the two support plates are respectively arranged in a one-to-one correspondence with the two second sub-rotating seats.
[0018] In some embodiments of this application, the support is fixedly disposed at the bottom of the door frame of the box body.
[0019] In some embodiments of this application, at least two of the roller devices are provided at intervals at the rear bottom of the box body.
[0020] Compared with the prior art, the advantages and positive effects of this utility model are:
[0021] The roller assembly of this application is always located at the bottom of the container, and does not need to be removed during transshipment. When the container needs to be towed using the hooklift device, the rotating seat rotates and locks in the first position. The rotating seat drives the roller to the lower position, where the lower surface of the roller extends beyond the bottom surface of the container body, and the roller contacts the ground. The hooklift device then drags the container, and the roller rolls along the ground. When the container needs to be used for multimodal transport as a standard ISO container, the rotating seat rotates and locks in the second position. The rotating seat drives the roller to the upper position, and the roller lifts off the ground.
[0022] The roller device does not need to be disassembled, saving labor and time costs, reducing workload, and improving transportation efficiency.
[0023] The roller assembly has a simple structure, occupies little space, and does not affect the existing bottom structure of the container. When maintenance is required, the roller assembly can be easily disassembled.
[0024] Other features and advantages of this utility model will become clearer after reading the detailed embodiments of this utility model in conjunction with the accompanying drawings. Attached Figure Description
[0025] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0026] Figure 1 This is a structural diagram of a container according to some embodiments;
[0027] Figure 2 This is yet another structural diagram of a container according to some embodiments;
[0028] Figure 3 for Figure 2 Enlarged view of section A in the middle;
[0029] Figure 4 This is yet another structural diagram of a container according to some embodiments;
[0030] Figure 5 for Figure 4 Enlarged view of section B;
[0031] Figure 6 This is a structural diagram of a roller device according to some embodiments;
[0032] Figure 7This is another structural diagram of the roller device according to some embodiments;
[0033] Figure 8 This is a cross-sectional view of a roller device according to some embodiments.
[0034] Figure label:
[0035] 100. Box body;
[0036] 200. Roller assembly;
[0037] 210. Support part; 211. Support plate; 212. Third limiting hole; 213. Second rotating hole;
[0038] 220. Rotary seat; 221. First sub-rotary seat; 222. Second sub-rotary seat; 223. First limiting hole; 224. Second limiting hole; 225. First rotating hole;
[0039] 230. Rollers;
[0040] 240. First pivot;
[0041] 250. Second pivot;
[0042] 260. Bearings;
[0043] 270. Bearing retaining ring;
[0044] 280. Fixing pin;
[0045] 290. Mounting section. Detailed Implementation
[0046] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0047] In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.
[0048] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.
[0049] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0050] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.
[0051] The following disclosure provides many different embodiments or examples for implementing various structures of this invention. To simplify the disclosure, specific examples of components and arrangements are described below. These are merely examples and are not intended to limit the scope of the invention. Furthermore, reference numerals and / or letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, examples of various specific processes and materials are provided in this invention, but those skilled in the art will recognize the application of other processes and / or the use of other materials.
[0052] In some embodiments of this application, a container with folding wheels is provided, as shown in the reference. Figures 1 to 5 . Figure 1 This is a structural diagram of a shipping container viewed from the rear. Figure 2 This is a structural diagram of a shipping container viewed from the bottom. Figure 3 for Figure 2 Enlarged view of part A in the middle. Figure 4This is another structural diagram of a container viewed from the bottom. Figure 5 for Figure 4 Enlarged view of section B in the middle.
[0053] The container includes a container body 100, and storage space is formed inside the container body 100.
[0054] The container also includes a roller device 200. Figure 6 This is a structural diagram of a roller device 200. The roller device 200 includes a support 210, a rotating base 220, and a roller 230. The roller 230 is rotatably mounted on the rotating base 220.
[0055] The support part 210 is fixedly installed at the bottom of the box body 100 to realize the fixed installation of the roller device 200 at the bottom of the box body 100.
[0056] The rotating seat 220 is rotatably connected to the support portion 210. The rotating seat 220 has a first position and a second position, and the rotating seat 220 rotates to switch between the first position and the second position.
[0057] Rotating seat 220 in the first position, refer to Figure 3 The lower surface of the roller 230 extends beyond the bottom surface of the container body 100 so that the roller 230 contacts the ground, at which point the container can be dragged by the Hooklift device.
[0058] Rotating seat 220 in the second position, refer to Figure 5 When roller 230 leaves the ground, the container can be used as a standard ISO container for multimodal transport.
[0059] The roller assembly 200 of this application is always installed at the bottom of the container, and the roller assembly 200 does not need to be removed during container transfer. When the container needs to be towed using a hooklift device, the rotating seat 220 rotates and locks in place. Figure 3 In the first position shown, the rotating seat 220 drives the roller 230 to the lower position, with the lower surface of the roller 230 extending beyond the bottom surface of the container body 100. The roller 230 contacts the ground, and the hooklift device drags the container, causing the roller 230 to roll along the ground. When the container needs to be used for multimodal transport as a standard ISO container, the rotating seat 220 rotates and locks in place. Figure 5 In the second position shown, the rotating seat 220 drives the roller 230 to move to the upper position, and the roller 230 is lifted off the ground.
[0060] The roller device 200 does not need to be disassembled, saving labor and time costs, reducing workload, and improving transportation efficiency.
[0061] The roller assembly 200 has a simple structure, occupies little space, and does not affect the bottom structure of the existing container. When maintenance is required, the roller assembly 200 can be easily disassembled.
[0062] In some embodiments of this application, reference is made to Figure 6 and Figure 7 , Figure 7 This is a structural diagram of a rotating base 220 and a roller 230. The rotating base 220 is provided with a first limiting hole 223 and a second limiting hole 224, and the support part 210 is provided with a third limiting hole 212.
[0063] A fixing pin 280 passes through the first limiting hole 223 and the third limiting hole 212 to lock the rotating seat 220 in the first position. Figure 3 As shown.
[0064] A fixing pin 280 passes through the second limiting hole 224 and the third limiting hole 212 to lock the rotating seat 220 in the second position. Figure 5 As shown.
[0065] The rotating seat 220 is locked in two positions by the cooperation between the fixing pin 280 and the first limiting hole 223 and the second limiting hole 224. The structure is simple, the cost is low and the operation is convenient.
[0066] The rotating seat 220 serves both to mount the roller 230 and to lock it to the support 210.
[0067] In some embodiments of this application, when the rotating seat 220 switches between the first position and the second position, the rotating seat 220 rotates 90°.
[0068] In some embodiments of this application, the rotating seat 220 includes a first sub-rotating seat 221 and a second sub-rotating seat 222, with the second sub-rotating seats 222 fixedly disposed at opposite ends of the first sub-rotating seat 221. The second sub-rotating seat 222 is provided with a first limiting hole 223 and a second limiting hole 224, and the roller 230 is rotatably disposed between the two second sub-rotating seats 222.
[0069] In some embodiments of this application, a first rotating hole 225 is provided on the second sub-rotating seat 222, and a second rotating hole 213 is provided on the support part 210. A first rotating shaft 240 passes through the first rotating hole 225 and the second rotating hole 213, and the rotational connection between the support part 210 and the rotating seat 220 is realized through the first rotating shaft 240.
[0070] In some embodiments of this application, the first rotating shaft 240 is located on one side of the first sub-rotating seat 221, and the roller 230 is located on the opposite side of the first sub-rotating seat 221. In other words, the first rotating shaft 240 and the roller 230 are located on opposite sides of the first sub-rotating seat 221. When the rotating seat 220 rotates, it will not interfere with the first rotating shaft 240.
[0071] In some embodiments of this application, the support part 210 includes two support plates 211, which are fixedly connected to the bottom of the box body 100. The two support plates 211 are correspondingly arranged with two second sub-rotating seats 222.
[0072] The support part 210 adopts the structure of support plate 211, which facilitates the fixed connection between it and the box body 100. The structure is simple and the cost is low.
[0073] In some embodiments of this application, reference is made to Figure 8 A second rotating shaft 250 passes between the roller 230 and the second sub-rotating seat 222 to achieve a rotatable connection between the two. A bearing 260 is provided between the second rotating shaft 250 and the roller 230.
[0074] A bearing retaining ring 270 is fitted on the second rotating shaft 250. The bearing retaining ring 270 is located at the side end of the roller 230 and axially limits the roller 230.
[0075] In some embodiments of this application, a hanging part 290 is provided on the support part 210, and a fixing pin 280 is connected to the hanging part 290. The fixing pin 280 is hung on the hanging part 290 to prevent the fixing pin 280 from being lost. For example, the hanging part 290 is a chain bolt.
[0076] In some embodiments of this application, reference is made to Figure 3 The support part 210 is fixedly installed at the bottom of the door of the container body 100. The support part 210 is installed using the existing structure of the container, without the need to make structural changes to the existing container, which is conducive to the application of the roller device 200 on the existing container.
[0077] In some embodiments of this application, at least two roller devices 200, for example two, are provided at a distance from the rear bottom of the container body 100 to improve the stability of the container's movement when it is being towed.
[0078] In the description of the above embodiments, specific features, structures, materials, or characteristics may be combined in any suitable manner in one or more embodiments or examples.
[0079] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.
Claims
1. A container with folding rollers, characterized in that, Including: Box body; The roller device includes: A support section is provided at the bottom of the box body; A rotating seat is rotatably connected to the support portion. The rotating seat has a first position and a second position, and the rotating seat rotates to switch between the first position and the second position. The roller is rotatably connected to the rotating base; In the first position, the lower surface of the roller extends beyond the bottom surface of the box body, so that the roller contacts the ground. When the rotating seat is in the second position, the roller is off the ground; The rotating seat is provided with a first limiting hole and a second limiting hole, and the support part is provided with a third limiting hole; A fixing pin is inserted between the first limiting hole and the third limiting hole to lock the rotating seat in the first position; A fixing pin is inserted between the second limiting hole and the third limiting hole to lock the rotating seat in the second position.
2. The container according to claim 1, characterized in that, The support is provided with a hanging part, and the fixing pin is connected to the hanging part.
3. The container according to claim 2, characterized in that, The mounting part is a chain bolt.
4. The container according to claim 1, characterized in that, The rotating seat includes a first sub-rotating seat and a second sub-rotating seat. The second sub-rotating seats are provided at opposite ends of the first sub-rotating seat. The second sub-rotating seats are provided with the first limiting hole and the second limiting hole. The roller is rotatably disposed between the two second sub-rotating seats.
5. The container according to claim 4, characterized in that, The second sub-rotating seat is provided with a first rotating hole, and the support part is provided with a second rotating hole. A first rotating shaft passes through the first rotating hole and the second rotating hole.
6. The container according to claim 5, characterized in that, The first rotating shaft is located on one side of the first sub-rotating seat, and the roller is located on the opposite side of the first sub-rotating seat.
7. The container according to claim 4, characterized in that, The support part includes two support plates, which are fixedly connected to the bottom of the box body. The two support plates are arranged in a one-to-one correspondence with the two second sub-rotating seats.
8. The container according to any one of claims 1 to 7, characterized in that, The support is fixedly installed at the bottom of the door frame of the box body.
9. The container according to any one of claims 1 to 7, characterized in that, At least two of the roller devices are spaced apart at the rear bottom of the box body.