Rotational molding box with hidden straps

By designing a hidden shoulder strap structure on the rotomolded case, and using components such as placement slots and damping blocks to store the shoulder straps, the problem of shoulder straps falling off and causing pollution is solved, improving the ease of use and cleanliness of the rotomolded case.

CN223721601UActive Publication Date: 2025-12-26JIANGXI HAOYU PLASTICS CO LTD
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Patent Information

Application Number
CN202423187815.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-12-26
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

The straps of existing rotomolded cases tend to fall to the ground when not in use, causing contamination and affecting their usability.

Method used

A concealed shoulder strap structure was designed. Through the cooperation of the placement slot, damping block and cover plate on the lid, the shoulder strap can be stored and fixed to prevent it from falling off.

Benefits of technology

It effectively prevents the straps from getting dirty on the ground, improving the ease of use and cleanliness of the rotomolded case.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a rotational molding box with hidden straps, and relates to the technical field of rotational molding boxes, the rotational molding box comprises a box cover, the top of the box cover is provided with a placement groove, the interior of the placement groove is connected with a first strap, one end of the first strap is provided with a first connecting block, and the top of the first connecting block is provided with a pull block; a spring is connected to the exterior of the pull block and the interior of the first connecting block, a limiting rod is connected to the bottom of the pull block, the exterior of the first strap is sleeved with a protective sleeve, and a second strap is arranged on the exterior of the first strap. According to the carrying box, the box cover, the first strap, the second strap, the containing groove, the push block, the damping block, the sliding groove and the cover plate are arranged, the first strap and the second strap can be conveniently stored through the containing groove, the situation that the first strap and the second strap are prone to falling on the ground is avoided, and then the cover plate is conveniently driven to move by operating the push block; in this way, the straps in the containing groove can be protected conveniently, and the practicability is high.
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Description

Technical Field

[0001] This utility model relates to the field of rotomolded case technology, and in particular to a rotomolded case with a concealed shoulder strap. Background Technology

[0002] Rotomolded boxes are plastic boxes manufactured using a rotational molding process. They are lightweight, corrosion-resistant, anti-aging, and have good insulation properties, making them widely used in packaging, transportation, and warehousing. The manufacturing principle of rotational molding involves heating the plastic raw material, placing it into a mold, and then rotating the mold to gradually wrap the plastic material around the mold, forming the desired shape and size. This manufacturing process can produce plastic boxes of various shapes and sizes, such as round, square, and rectangular, to meet the needs of different fields.

[0003] In the use of existing rotomolded cases, users usually carry or back the case by hand using the shoulder straps. When the case is not carried by hand or back, the shoulder straps are prone to falling to the ground, causing them to be contaminated by dirt and affecting the use of the case. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing rotomolded cases, where users typically carry or shoulder the case using shoulder straps. When the case is not being carried or shouldered, the shoulder straps easily fall to the ground, causing them to become contaminated with dirt and affecting the use of the case. Therefore, this invention proposes a rotomolded case with a concealed shoulder strap.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A rotomolded case with concealed carrying straps, comprising:

[0007] The case lid has a placement slot at the top, and a first shoulder strap is connected inside the placement slot. A first connecting block is installed at one end of the first shoulder strap, and a pull block is installed at the top of the first connecting block. A spring is connected to the outside of the pull block and the inside of the first connecting block, and a limiting rod is connected to the bottom of the pull block. A protective sleeve is fitted over the outside of the first shoulder strap. A second shoulder strap is provided outside the first shoulder strap, and a second connecting block is installed at one end of the second shoulder strap. A limiting hole is opened inside the second connecting block. A sliding groove is provided outside the placement slot, and a damping block is connected inside the sliding groove. A cover plate is installed outside the damping block, and a push block is connected to the outside of the cover plate.

[0008] Preferably, the box cover is externally connected to a connecting shaft, and a damping rotating shaft is installed externally on the connecting shaft, with a box body installed externally on the damping rotating shaft.

[0009] Preferably, the first and second straps are fixed by the first connecting block, the second connecting block and the limiting rod, and the limiting rod is distributed with two groups.

[0010] Preferably, the cover plate and the placing groove are moved by the push block and the damping block, and the outer wall of the damping block is in contact with the inner wall of the sliding groove.

[0011] Preferably, the box cover and the box body are rotated by the damping rotating shaft and the connecting shaft, and the length of the box cover is equal to the length of the box body.

[0012] In summary, due to the adoption of the above technical scheme, the utility model has the beneficial effects that: in the utility model, the box cover, the first strap, the second strap, the placing groove, the push block, the damping block, the sliding groove and the cover plate are arranged, the first strap and the second strap are conveniently stored in the placing groove, the first strap and the second strap are prevented from falling on the ground, the push block is operated to conveniently move the cover plate, the strap in the placing groove is conveniently protected, and the utility model has high practicability. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is an overall structure schematic view of the utility model.

[0014] Figure 2 It is a top view structure schematic view of the box cover of the utility model.

[0015] Figure 3 It is a first strap and second strap connecting structure schematic view of the utility model.

[0016] Figure 4 It is a cover plate structure schematic view of the utility model.

[0017] LEGEND:

[0018] 1, box cover; 2, damping rotating shaft; 3, connecting shaft; 4, box body; 5, placing groove; 6, push block; 7, first strap; 8, first connecting block; 9, second strap; 10, second connecting block; 11, pull block; 12, spring; 13, limiting hole; 14, limiting rod; 15, sliding groove; 16, damping block; 17, cover plate; 18, sheath. DETAILED DESCRIPTION

[0019] The technical scheme of the patent will be further described in detail in combination with specific embodiments.

[0020] Embodiments of the present patent are described in detail below with reference to the attached drawing figures, wherein the same or like reference numerals and characters throughout the figures denote the same or like components or elements having the same or similar functions. The embodiments described below are exemplary and are merely intended for explaining the present patent, and are not to be understood as limiting the present patent.

[0021] In the description of the present patent, it is to be understood that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are merely for the convenience of describing the present patent and simplifying the description, and are not to be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be understood as limiting the present patent.

[0022] In the description of the present patent, it is to be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, can be fixedly connected, set, or can be detachably connected, set, or integrally connected, set. For those skilled in the art, the specific meanings of the above terms in the present patent can be understood according to the specific circumstances.

[0023] Referring to Figures 1-4The utility model provides a hidden backband's rotomolding box, including box cover 1, the top of box cover 1 is equipped with the placement groove 5, and the inside of placement groove 5 is connected with first backband 7, and first backband 7 and second backband 9 between through first connecting block 8, second connecting block 10, limiting rod 14 constitute fixed structure, and limiting rod 14 distribution has two groups, manually operates second connecting block 10, and second connecting block 10 will move to first connecting block 8, and then manually operates pull block 11, and pull block 11 makes limiting rod 14 move, and limiting rod 14 will move to the limiting hole 13 in second connecting block 10, so that it is convenient to complete the fixed work between first backband 7 and second backband 9, one end of first backband 7 is equipped with first connecting block 8, and the top of first connecting block 8 is equipped with pull block 11, and the outside of pull block 11 is connected with spring 12 in the inside of first connecting block 8, and the bottom of pull block 11 is connected with limiting rod 14, the outside of first backband 7 is equipped with sheath 18, and the outside of first backband 7 is equipped with second backband 9, and one end of second backband 9 is equipped with second connecting block 10, and the inside of second connecting block 10 is equipped with limiting hole 13, the outside of placement groove 5 is equipped with sliding slot 15, and the inside of sliding slot 15 is connected with damping block 16, and the outside of damping block 16 is equipped with cover plate 17, and the outside of cover plate 17 is connected with push block 6, and cover plate 17 and placement groove 5 between through push block 6, damping block 16 constitute moving structure, and the outer wall of damping block 16 is in contact with the inner wall of sliding slot 15, manually operates push block 6, and push block 6 moves cover plate 17 through damping block 16, and cover plate 17 will move to placement groove 5, so that it is convenient to close placement groove 5,

[0024] The outside of box cover 1 is connected with connecting shaft 3, and the outside of connecting shaft 3 is equipped with damping shaft 2, and box cover 1 and box body 4 between through damping shaft 2, connecting shaft 3 constitute rotating structure, and the length of box cover 1 is equal to the length of box body 4, manually operates box cover 1, and box cover 1 rotates through damping shaft 2, connecting shaft 3, so that it is convenient to complete the opening work of box body 4, and the outside of damping shaft 2 is equipped with box body 4.

[0025] Working principle: when using, first manually operates push block 6, and push block 6 moves cover plate 17 through damping block 16, and cover plate 17 will move to the outside of placement groove 5, so that it is convenient to open placement groove 5, and it is convenient for user to use backband, and manually pulls pull block 11, and pull block 11 moves limiting rod 14, and the pulling of pull block 11 makes spring 12 compress, and then manually operates second connecting block 10, and second connecting block 10 will move to first connecting block 8, and then releases pull block 11, and pull block 11 moves limiting rod 14 through the action of spring 12, and limiting rod 14 will move to the limiting hole 13 in second connecting block 10, so that it is convenient to complete the fixed work between first backband 7 and second backband 9, and it is convenient to store backband through placement groove 5, avoids the backband from falling to the ground when not using.

[0026] The above merely describes a preferred embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent substitutions or changes within the technical range disclosed by the present application, which should be covered within the scope of protection of the present application.

Claims

1. A rotomolded case with concealed carrying straps, characterized in that, include: The box cover (1) has a placement groove (5) on its top, and a first shoulder strap (7) is connected inside the placement groove (5). A first connecting block (8) is installed at one end of the first shoulder strap (7), and a pull block (11) is installed on the top of the first connecting block (8). A spring (12) is connected to the outside of the pull block (11) and the inside of the first connecting block (8). A limiting rod (14) is connected to the bottom of the pull block (11). A protective sleeve (18) is fitted on the outside of the first shoulder strap (7). A second shoulder strap (9) is provided on the outside of the first shoulder strap (7), and a second connecting block (10) is installed at one end of the second shoulder strap (9). A limiting hole (13) is opened inside the second connecting block (10). A sliding groove (15) is provided on the outside of the placement groove (5), and a damping block (16) is connected inside the sliding groove (15). A cover plate (17) is installed on the outside of the damping block (16), and a push block (6) is connected to the outside of the cover plate (17).

2. The rotomolded case with a concealed carrying strap according to claim 1, characterized in that: The box cover (1) is connected to a connecting shaft (3), and a damping shaft (2) is installed on the outside of the connecting shaft (3). The box body (4) is installed on the outside of the damping shaft (2).

3. The rotomolded case with a concealed carrying strap according to claim 1, characterized in that: The first shoulder strap (7) and the second shoulder strap (9) are fixed together by the first connecting block (8), the second connecting block (10), and the limiting rod (14), and there are two sets of limiting rods (14).

4. The rotomolded case with a concealed carrying strap according to claim 1, characterized in that: The cover plate (17) and the placement groove (5) form a movable structure through the push block (6) and the damping block (16), and the outer wall of the damping block (16) is in contact with the inner wall of the slide groove (15).

5. A rotomolded case with a concealed carrying strap according to claim 2, characterized in that: The lid (1) and the body (4) are connected by a damping shaft (2) and a connecting shaft (3) to form a rotating structure, and the length of the lid (1) is equal to the length of the body (4).