A lightweight automobile storage box folding structure

Abstract

The utility model discloses a kind of lightweight car storage box folding structure, including bottom box, the top of bottom box is provided with open mouth, the edge of open mouth is perimetrically provided with elastic telescopic edge, the elastic telescopic edge has unfolding and folding state in height direction;The top of elastic telescopic edge is equipped with locking sleeve, the top of locking sleeve is equipped with box top cover;The lightweight car storage box folding structure is expanded by setting elastic telescopic edge, so it has unfolding and folding state in height direction.When more items need to be stored, elastic telescopic edge can be expanded to increase the volume of the storage box. When there are fewer items or not in use, it can be folded to significantly reduce the space occupied.

Description

Technical Field

[0001] This utility model relates to the field of automotive storage box technology, specifically a lightweight automotive storage box folding structure. Background Technology

[0002] With the rapid development of the automotive industry and the increasing diversification of people's travel needs, the rationality and utilization of in-car storage space have become important factors affecting the driving and riding experience. Currently, most car storage devices on the market are fixed-size box structures with fixed volumes, unable to be flexibly adjusted according to the number of items. When storing a small number of items, fixed-volume storage boxes will take up too much interior space, leading to a cramped feeling; while when storing a large number of items, the insufficient volume will fail to meet storage needs. Meanwhile, traditional car storage boxes are made of thick and heavy materials, which not only increases the overall weight of the car and affects fuel economy, but also takes up space when not in use because they cannot be folded and stored away, making interior space management inconvenient. In addition, some existing storage boxes lack effective locking and fixing mechanisms in their structural design, which can easily cause shaking, abnormal noises, or even items falling off while the car is in motion, affecting driving safety. To address the aforementioned issues, there is an urgent need for a car storage device that is flexible in volume adjustment, lightweight, easy to store, and reliably fixed, in order to adapt to storage needs in different scenarios and improve the utilization of in-vehicle space and driving safety. Utility Model Content

[0003] The purpose of this invention is to provide a lightweight folding structure for automotive storage boxes to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a lightweight folding structure for a car storage box, comprising a bottom box body, the top of which has an opening, and an elastic telescopic rim surrounding the edge of the opening, the elastic telescopic rim having an unfolded and folded state in the height direction; a locking sleeve is fitted to the top of the elastic telescopic rim, and a box top cover is fitted to the top of the locking sleeve; a fixing post is fitted to the center of the bottom end of the box top cover, and a fixing sleeve two is installed after the fixing post extends into the interior of the elastic telescopic rim, and storage frames are fitted around the outer walls of the fixing sleeve two; a fixing ring is provided at the top opening of the locking sleeve, and a fixing sleeve one is provided at the bottom end of the box top cover outside the fixing post, the fixing sleeve one being able to be fitted onto the outside of the fixing ring.

[0005] As a preferred embodiment of the lightweight folding structure of the present invention, the top edge of the locking sleeve is provided with slots around all four sides, and the bottom edge of the top cover of the box is provided with a bonding plate around all four sides. The bottom end of the bonding plate has a locking block, which is engaged in the slot.

[0006] As a preferred embodiment of the lightweight folding structure of the car storage box of this utility model, the two sides of the card block are provided with convex surfaces, and the two sides of the card slot are provided with concave surfaces, and the convex surfaces and concave surfaces cooperate with each other.

[0007] As a preferred embodiment of the lightweight folding structure for a car storage box according to this utility model, the inside of the locking block has a filling cavity, the inside of the filling cavity is provided with an arched elastic element, and the end of the locking block is provided with an arc surface.

[0008] As a preferred embodiment of the lightweight automotive storage box folding structure of this utility model, the top of the box cover is equipped with a pull block.

[0009] As a preferred embodiment of the lightweight folding structure for a car storage box according to this utility model, the bottom end of the bottom box is fitted with an adhesive pad.

[0010] As a preferred embodiment of the lightweight folding structure for a car storage box according to this utility model, the outer wall of the bottom box is provided with a drainage hole, and a plug is inserted into the drainage hole.

[0011] Compared with the prior art, the beneficial effects of this utility model are: the design of this lightweight car storage box folding structure is reasonable; This lightweight automotive storage box folding structure features an elastic, telescopic side panel, allowing it to unfold and fold in the vertical direction. When storing more items, the elastic side panel can be unfolded to increase the storage box's volume; when storing fewer items or not in use, it can be folded up, significantly reducing the space it occupies. This effectively solves the problem of low space utilization in traditional fixed-volume storage boxes, allowing for more rational use of the vehicle's interior space. Utilizing lightweight materials and structural design, it significantly reduces its weight compared to traditional, bulky storage boxes. This not only helps reduce the overall load on the vehicle and improve fuel economy, but also lightens the burden of installation and carrying, aligning with the modern trend towards lightweight automotive design. Attached Figure Description

[0012] Figure 1 This is a front-view three-dimensional structural schematic diagram of the present invention; Figure 2 This is a top-view three-dimensional structural diagram of the present invention; Figure 3 This is a schematic diagram of the top cover of the box of this utility model; Figure 4 This is a schematic diagram of the card block and card slot of this utility model.

[0013] In the diagram: 1. Base box; 2. Elastic telescopic edging; 3. Locking sleeve; 4. Top cover; 5. Fixing ring; 6. Slot; 7. Adhesive pad; 8. Drainage hole; 9. Adhesive board; 10. Fixing sleeve one; 11. Fixing post; 12. Fixing sleeve two; 13. Storage frame; 14. Locking block; 15. Locking block; 16. Slot; 17. Sloping concave surface; 18. Sloping convex surface; 19. Arc surface; 20. Filling cavity; 21. Arched elastic element. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] Please see Figure 1-4 This utility model provides a technical solution: In this technical solution, a lightweight automotive storage box folding structure includes a bottom box body 1. The top of the bottom box body 1 is provided with an opening, and an elastic telescopic rim 2 is provided around the edge of the opening. The elastic telescopic rim 2 has an unfolded and folded state in the height direction. A locking sleeve 3 is installed at the top of the elastic telescopic rim 2, and a box top cover 4 is installed at the top of the locking sleeve 3. A fixing post 11 is installed at the center of the bottom end of the box top cover 4. After the fixing post 11 extends into the interior of the elastic telescopic rim 2, a fixing sleeve 2 10 is installed. Storage frames 13 are installed around the outer walls of the fixing sleeve 2 10. A fixing ring 5 is provided at the top opening of the locking sleeve 3. A fixing sleeve 10 is provided at the bottom end of the box top cover 4 outside the fixing post 11. The fixing sleeve 10 can be fitted onto the outside of the fixing ring 5.

[0016] Base and Elastic Telescopic Edges: The base 1 serves as the basic support for the entire storage box, with an open top providing an entrance for items. The elastic telescopic edges 2, enclosing the open edge, are the key component enabling flexible adjustment of the storage box's volume. In terms of material selection, the elastic telescopic edges 2 can be made of highly elastic, wear-resistant, and lightweight silicone or TPU (thermoplastic polyurethane elastomer rubber). Taking common silicone as an example, its Shore hardness is generally between 30-70A, ensuring both good elastic deformation capacity and a certain structural strength, maintaining good elasticity and shape stability even after more than 5000 repeated unfolding and folding. In terms of dimensions, when the elastic telescopic edges 2 are fully unfolded, the height can increase by 8-15 cm, increasing the storage box's volume by 30%-50% compared to when the base 1 is used alone. For example, if the dimensions of the base box 1 are 30 cm long, 20 cm wide, and 10 cm high, with a volume of 6000 cubic centimeters, when the elastic telescopic rim 2 is extended to a height of 10 cm, the volume of the entire storage box becomes 30 × 20 × (10 + 10) = 12000 cubic centimeters, greatly improving the storage capacity. Locking sleeve and box top cover: The locking sleeve 3, fitted to the top of the elastic telescopic edge 2, serves to connect and secure the box top cover 4, while also restraining the top of the elastic telescopic edge 2, enhancing the overall structural stability. The locking sleeve 3 can be made of high-strength plastic material, such as an alloy of PC (polycarbonate) and ABS (acrylonitrile-butadiene-styrene copolymer), with a tensile strength of 60-80 MPa, capable of withstanding certain external forces without deformation. In addition to the fitting of the fixing sleeve 10 and the fixing ring 5 mentioned later, a sealing strip can be installed around the top edge of the locking sleeve 3. When the box top cover 4 is installed in place, the sealing strip is compressed, providing waterproofing and dustproofing, further protecting the items inside the box. Internal fixing posts and storage frames: A fixing post 11 is installed at the center of the bottom of the top cover 4, extending into the interior of the elastic telescopic edging 2 and installing a fixing sleeve 10. Storage frames 13 are installed around the outer walls of the fixing sleeve 10, providing convenience for layered and categorized storage of items. The fixing post 11 and fixing sleeve 10 can be made of aluminum alloy, which is characterized by low density and high strength. Its density is approximately 2.7 g / cm³, only about one-third that of steel, while its strength can reach 200-400 MPa. Each storage frame 13 can be designed to be 8-12 cm long, 6-8 cm wide, and 4-6 cm high, allowing for reasonable planning according to actual needs, such as storing glasses, keys, small tools, etc. For example, similar storage frames are widely used in the storage box designs of some high-end car models, and user feedback indicates that they effectively improve the efficiency of item organization and reduce the time spent searching for items.

[0017] In some technical solutions, the top edge of the locking sleeve 3 is provided with slots 6 all around, and the bottom edge of the box cover 4 is provided with a bonding plate 9 all around. The bottom of the bonding plate 9 has a locking block 15, which is engaged in the slot 6.

[0018] The design of the slots and blocks: The slots 6 formed around the top edge of the locking sleeve 3 engage with the blocks 15 on the bonding plates 9 installed around the bottom edge of the top cover 4, providing a mechanical connection between the top cover 4 and the locking sleeve 3 and enhancing the stability of the connection. The dimensions of the slots 6 and the blocks 15 must be precisely matched to ensure a tight engagement. Generally, the depth of the slots 6 can be designed to be 8-12 mm, and the height of the blocks 15 is slightly greater than the depth of the slots 6, between 10-14 mm. When the blocks 15 are engaged in the slots 6, the gap between the two should be controlled within 0.1-0.3 mm to prevent loosening due to shaking during vehicle operation. To facilitate the smooth engagement of the blocks 15 in the slots 6, the ends of the blocks 15 can be designed with rounded corners, with a radius between 1-2 mm.

[0019] In some technical solutions, the two sides of the card block 15 are provided with inclined convex surfaces 18, and the two sides of the inner wall of the card slot 6 are provided with inclined concave surfaces 17, and the inclined convex surfaces 18 and the inclined concave surfaces 17 cooperate with each other.

[0020] The fit between the convex and concave surfaces: The convex surfaces 18 on both sides of the locking block 15 fit with the concave surfaces 17 on both sides of the inner wall of the locking groove 6, further enhancing the tightness of the locking. The inclination angles of the convex surfaces 18 and concave surfaces 17 are generally between 15° and 30°. This angle ensures that the locking block 15 can slide smoothly into the locking groove 6 during the locking process, and also generates greater friction through the mutual squeezing action of the inclined surfaces after locking, preventing the locking block 15 from coming out of the locking groove 6. In actual tests, the locking structure with this convex and concave surface fit design has a 30%-50% higher resistance to detachment compared to the ordinary straight-edge locking structure. For example, in vibration tests simulating car driving, the ordinary straight-edge locking structure shows signs of loosening when the vibration acceleration reaches 2g, while the locking structure with the convex and concave surface fit design only shows signs of loosening when the vibration acceleration reaches 3g-3.5g.

[0021] In some technical solutions, a filling cavity 20 is opened inside the card block 15, an arched elastic element 21 is provided inside the filling cavity 20, and an arc surface 19 is provided at the end of the card block 15.

[0022] Internal structure of the locking block: The filling cavity 20 inside the locking block 15, and the arched elastic element 21 set in the filling cavity 20, provide a continuous elastic force for the locking, further enhancing the stability of the locking. The arched elastic element 21 can be made of spring steel with an elastic modulus between 190-210 GPa, which can generate a large elastic restoring force. When the locking block 15 is locked into the locking groove 6, the arched elastic element 21 is compressed, and the resulting elastic force makes the locking block 15 press tightly against the inner wall of the locking groove 6, preventing the locking from loosening. The arc surface 19 at the end of the locking block 15 is designed with a radius of generally between 2-3 mm, which makes the locking and disengagement process smoother, reduces the difficulty of operation, and also reduces the wear between the locking block 15 and the locking groove 6. In actual use, after more than 5,000 locking and disengagement operations, the wear of the locking block 15 with this arc surface design is reduced by 40%-60% compared with ordinary flat locking blocks.

[0023] In some technical solutions, the top of the box cover 4 is equipped with a pull block 14.

[0024] The top of the lid 4 is fitted with a pull tab 14, which facilitates the opening and closing of the lid. The design of the pull tab 14 takes ergonomics into account; its dimensions are generally 4-6 cm long and 2-3 cm wide. The surface can be designed with anti-slip textures, such as knurling, to increase friction between the fingers and the pull tab 14, making operation more comfortable and convenient. In terms of material selection, the pull tab 14 can be made of the same material as the lid 4, such as plastic or metal, to ensure overall aesthetics and harmony. In some user experience surveys, over 80% of users reported that the design of the pull tab 14 makes opening and closing the storage box lid easier, especially while driving, allowing for convenient one-handed operation.

[0025] In some technical solutions, an adhesive pad 7 is fitted to the bottom end of the base box 1.

[0026] The adhesive pad 7 fitted to the bottom of the base box 1 securely fixes the storage box in a suitable position inside the vehicle, preventing it from sliding during driving. The adhesive pad 7 can be made of silicone or rubber and coated with a strong adhesive, such as an acrylic adhesive, with a peel strength of 10-20 N / cm. The size of the adhesive pad 7 can be designed according to the bottom surface of the base box 1, generally covering 60%-80% of the bottom surface area of ​​the base box 1, ensuring sufficient adhesion without leaving excessive residue on the vehicle's interior during disassembly. In practical applications, after multiple emergency braking and acceleration tests, the storage box equipped with the adhesive pad 7 remained stably fixed inside the vehicle without sliding, effectively improving safety during use.

[0027] In some technical solutions, a drainage hole 8 is provided on the outer wall of the bottom box 1, and a plug is inserted into the drainage hole 8.

[0028] The drain hole 8 on the outer wall of the base box 1 facilitates the drainage of liquids that may enter the box, such as water accidentally entering the storage box during car washing, or liquid leaking from beverage bottles placed inside. The diameter of the drain hole 8 is generally between 8-12 mm, ensuring smooth drainage while preventing debris from entering. The plug inserted into the drain hole 8 can be made of rubber or silicone, providing good sealing performance and ensuring the box is sealed when drainage is not required. The head of the plug can be designed for easy insertion and removal, such as round or square, with a slight protrusion for user convenience. In the storage box designs of some car models, the design of drain holes and plugs has become standard, effectively preventing water accumulation inside the box from damaging items during use.

[0029] Working process and principle: Work process Operation in the unfolded state: When the storage box needs to store a large number of items, pull the lever 14 at the top of the box cover 4 to remove the box cover 4 from the locking sleeve 3. At this time, the elastic telescopic side 2 gradually unfolds from the folded state under its own elasticity, increasing the height by 8-15 cm, and the storage box volume increases by 30%-50%. Then, reassemble the box cover 4 onto the locking sleeve 3, so that the fixing sleeve 10 is fitted onto the outside of the fixing ring 5, and at the same time, the locking block 15 is engaged in the locking groove 6, completing the fixation in the unfolded state. Storage and retrieval of items: The unfolded storage box has internal storage compartments 13 that can be used to categorize and store different items, such as small items like glasses and keys. To retrieve an item, simply pull the lever 14 again to open the top cover 4. Folding Operation: When there are few items or the storage box is not in use, open the top cover 4 and manually compress and fold the elastic telescopic side 2 to reduce its height. Then, install the top cover 4 back into the locking sleeve 3, which is secured by the cooperation of the fixing sleeve 10 and the fixing ring 5, and the locking block 15 and the locking slot 6, thus completing the folding and reducing space occupation. Special handling: If liquid enters the box, remove the plug at the drain hole 8 to drain the liquid, then insert the plug back in. The adhesive pad 7 at the bottom of the base box 1 ensures the storage box remains stable while the car is in motion, preventing it from sliding. Working principle Elastic expansion principle: The elastic expansion edging 2 is made of elastic materials such as silicone or TPU, utilizing the elastic deformation characteristics of the material to achieve unfolding and folding. When unfolded, the material returns to its original shape, causing the edging to elongate; when folded, external force forces the material to compress and deform, and the elasticity of the material ensures that it can maintain its performance after multiple deformations. Locking and fixing principle: The fixing of the box top cover 4 and the locking sleeve 3 is achieved through a dual mechanism. First, the sleeve of the fixing sleeve 10 and the fixing ring 5 are engaged, and the tight fit between the two provides radial constraint. Second, the locking block 15 and the locking groove 6 are engaged, and the inclined surface of the convex surface 18 and the inclined surface of the concave surface 17 are pressed together to generate axial friction force. At the same time, the arched elastic element 21 in the locking block 15 provides continuous elastic force, which enhances the locking stability and prevents loosening during driving. Layered storage principle: The storage frame 13 supported by the fixed column 11 and the fixed sleeve 10 achieves layered and classified storage through space division. The storage frames of different sizes meet the storage needs of various small items, improving space utilization and item organization efficiency. Stable placement principle: The adhesion force generated by the highly viscous adhesive on the surface of the adhesive pad 7 firmly adsorbs the bottom box 1 onto the interior surface of the vehicle. Combined with the weight of the bottom box itself, it resists the vibration and inertial force during vehicle movement, ensuring the stability of the storage box.

[0030] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0031] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A lightweight folding structure for a car storage box, comprising a bottom box body (1), characterized in that, The top of the bottom box (1) is provided with an opening, and an elastic telescopic edging (2) is provided around the edge of the opening. The elastic telescopic edging (2) has an unfolded and folded state in the height direction. The top of the elastic telescopic edging (2) is fitted with a locking sleeve (3), and the top of the locking sleeve (3) is fitted with a box top cover (4). A fixing post (11) is installed at the bottom center of the top cover (4). The fixing post (11) extends into the interior of the elastic telescopic edging (2) and a fixing sleeve (12) is installed thereon. Storage frames (13) are installed around the outer walls of the fixing sleeve (12). The top opening of the locking sleeve (3) is provided with a fixing ring (5), and the bottom end of the box cover (4) is provided with a fixing sleeve (10) outside the fixing post (11). The fixing sleeve (10) can be fitted onto the outside of the fixing ring (5).

2. The lightweight automotive storage box folding structure according to claim 1, characterized in that, The top edge of the locking sleeve (3) is provided with slots (6) all around, and the bottom edge of the box cover (4) is provided with a bonding plate (9) all around. The bottom of the bonding plate (9) has a locking block (15), which is engaged in the slot (6).

3. The lightweight automotive storage box folding structure according to claim 2, characterized in that, The two sides of the card block (15) are provided with convex surfaces (18), and the two sides of the card slot (6) are provided with concave surfaces (17). The convex surfaces (18) and the concave surfaces (17) cooperate with each other.

4. The lightweight automotive storage box folding structure according to claim 3, characterized in that, The card block (15) has a filling cavity (20) inside, and an arched elastic element (21) is provided inside the filling cavity (20). The end of the card block (15) is provided with an arc surface (19).

5. The lightweight automotive storage box folding structure according to claim 1, characterized in that, The top of the box cover (4) is fitted with a pull block (14).

6. The lightweight automotive storage box folding structure according to claim 1, characterized in that, An adhesive pad (7) is fitted to the bottom end of the bottom box (1).

7. The lightweight automotive storage box folding structure according to claim 1, characterized in that, The outer wall of the bottom box (1) is provided with a drainage hole (8), and a plug is inserted into the drainage hole (8).

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