Rotational molding packaging box with pneumatic supporting rods
By introducing pneumatic support rods and hinge connections into the rotomolded packaging box, the problem of the box lid being difficult to fix in harsh environments is solved, achieving stable support and sealing of the box lid, and improving the convenience of picking up and putting down items and work efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2026-04-10
AI Technical Summary
When existing rotomolded packaging boxes are used in harsh environments or on non-horizontal surfaces, the lids are difficult to secure, making it difficult to load and unload items and reducing work efficiency.
A pneumatic support rod is installed between the box body and the box lid. The opening angle of the box lid is fixed by the pneumatic support rod. Combined with the hinge connection, locking structure and sealing structure, the stable connection and sealing between the box lid and the box body are ensured.
It achieves stable support and fixation of the box lid under harsh environmental conditions, improves the convenience of loading and unloading items and work efficiency, and enhances the strength and aesthetics of the packaging box.
Smart Images
Figure CN224104612U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a rotational moulding packaging box, in particular to a rotational moulding packaging box with pneumatic support rod. BACKGROUND
[0002] Rotational moulding packaging box usually adopts linear low density or medium density polyethylene material and is processed and made through rotational moulding process. Because of excellent characteristics of polyethylene material, rotational moulding packaging box has physical properties such as light weight, corrosion resistance and good cold resistance and is widely applied in fields such as logistics, transportation and warehousing.
[0003] In prior art, the box body and the box cover of rotational moulding packaging box are usually connected only through hinge, and the box cover is turned around hinge shaft to realize opening and closing action. In the case that the volume of the articles contained in the box body is small and the number is large, because the articles need to be taken and placed for a long time, especially when the box body is placed on non-horizontal surface in bad environmental conditions, the box cover needs to be supported and fixed after being opened, and at least two persons need to cooperate or other supporting tools need to be used to take and place the articles, thereby increasing the difficulty of taking and placing the articles and reducing the work efficiency. UTILITY MODEL CONTENT
[0004] The utility model provides a rotational moulding packaging box with pneumatic support rod, which aims at setting the pneumatic support rod structure between the box body and the box cover to support and fix the box cover when the articles are taken and placed, so as to improve the convenience of taking and placing the articles and the work efficiency.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A rotational moulding packaging box with pneumatic support rod comprises a box body and a box cover, the box body and the box cover are connected through the hinge arranged on the back thereof, the box cover is turned around the hinge shaft to realize opening and closing action, and the sealing structure and the lock catch structure are arranged at the joint part of the box cover and the box body; the special part is that the pneumatic support rod is installed between the box body and the box cover; the pneumatic support rod is arranged in two groups in left-right symmetry, the support rod assembly boss is arranged on the inner wall of the box cover, one end of the pneumatic support rod is hingedly assembled with the support seat installed on the support rod assembly boss, and the other end is hingedly assembled with the metal support block pre-buried in the side wall of the box body.
[0007] The above-mentioned rotational moulding packaging box with pneumatic support rod is provided with the reinforcing ribs on the side wall and the bottom surface of the box body and the side wall and the top surface of the box cover; the reinforcing ribs on the side wall and the bottom surface of the box body and the side wall of the box cover are groove type reinforcing ribs, the reinforcing rib on the top surface of the box cover is boss type reinforcing rib, and the groove type reinforcing rib on the bottom surface of the box body is matched with the boss type reinforcing rib on the top surface of the box cover.
[0008] The plastic rolling packaging box with the pneumatic supporting rod is provided with a handle on the left and right side walls of the box body; the handle is installed on the reinforced rib part of the left and right side walls of the box body through a hinged seat, and is hidden in the groove of the reinforced rib of the left and right side walls of the box body in a non-pulling state.
[0009] The plastic rolling packaging box with the pneumatic supporting rod is provided with a handle on the left and right side walls of the box body; the handle is installed on the reinforced rib part of the left and right side walls of the box body through a hinged seat, and is hidden in the groove of the reinforced rib of the left and right side walls of the box body in a non-pulling state.
[0010] The plastic rolling packaging box with the pneumatic supporting rod is provided with a handle on the left and right side walls of the box body; the handle is installed on the reinforced rib part of the left and right side walls of the box body through a hinged seat, and is hidden in the groove of the reinforced rib of the left and right side walls of the box body in a non-pulling state.
[0011] The plastic rolling packaging box with the pneumatic supporting rod is provided with a handle on the left and right side walls of the box body; the handle is installed on the reinforced rib part of the left and right side walls of the box body through a hinged seat, and is hidden in the groove of the reinforced rib of the left and right side walls of the box body in a non-pulling state.
[0012] The plastic rolling packaging box with the pneumatic supporting rod is provided with a handle on the left and right side walls of the box body; the handle is installed on the reinforced rib part of the left and right side walls of the box body through a hinged seat, and is hidden in the groove of the reinforced rib of the left and right side walls of the box body in a non-pulling state.
[0013] The utility model provides a rotomoulded packing box with pneumatic support rod, it sets up pneumatic support rod between the box cover and the box body, can fix the box cover through pneumatic support rod when opening the box cover and taking and placing articles, makes it keep the appropriate opening angle, the utility model discloses the box cover and the box body are connected through the hinge, and adopt the lock catch structure locking, and set up sealing structure at the joint of the box cover and the box body, therefore guarantee the locking and sealing effect after the box cover and the box body buckle, the utility model discloses setting up the handle on the side of the box, and additionally setting up the handle on the box cover, additionally setting up the roller assembly on the bottom of the box, therefore more convenient the carrying of the rotomoulded packing box, the utility model discloses being equipped with the deflation valve on the side wall of the box, can adjust the internal pressure of the box when the internal and external pressure changes, the utility model discloses additionally designing the reinforcing rib structure on the surface of the box and the box cover, designs the recess type reinforcing rib on the side wall of the box and the box cover, can hide the lock catch structure and the box handle in the corresponding reinforcing rib recess, therefore not only increases the strength of the rotomoulded packing box, also avoids the problem that the lock catch structure and the handle project and scratch the operator, is more in line with the design concept of humanization, beautifies the appearance effect of rotomoulded packing box simultaneously, the utility model discloses setting up the boss type reinforcing rib on the top surface of the box cover, sets up the recess type reinforcing rib on the bottom of the box, when the multiple rotomoulded packing boxes are stacked, can make the boss type reinforcing rib of the top surface of the lower rotomoulded packing box embed in the recess type reinforcing rib of the bottom surface of the upper rotomoulded packing box, guarantees the stability of rotomoulded packing box placement. In short, the utility model discloses through the above technical means, realizes the support fixing effect of the box cover when taking and placing articles, reaches the purpose that improves the convenience and work efficiency of taking and placing articles. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the structure schematic diagram of the rotomoulded packing box with pneumatic support rod of the utility model;
[0015] Figure 2 It is the schematic diagram of Figure 1 Horizontal rotation certain angle after;
[0016] Figure 3 It is Figure 1 The schematic diagram after turning over certain angle;
[0017] Figure 4 It is Figure 1 K view of
[0018] Figure 5 It is the assembly structure schematic diagram of pneumatic support rod and box cover, box body;
[0019] Figure 6 It is the process schematic diagram of the box cover opening and closing.
[0020] Interpretation of each sign in the drawing:
[0021] 1 is a box body, 1-1 is a metal support block; 2 is a box cover, 2-1 is a support rod assembly boss, 2-2 is a support seat; 3 is a hinge; 4 is a pneumatic support rod; 5 is a lock catch mechanism, 5-1 is a movable lock catch, 5-2 is a fixed lock catch; 6 is a roller assembly; 7 is a handle; 8 is a handle; 9 is a reinforcing rib, 9-1 is a boss type reinforcing rib, 9-2 is a groove type reinforcing rib; 10 is a sealing structure, 10-1 is a sealing groove, 10-2 is a sealing rubber strip; 11 is a deflation valve. DETAILED DESCRIPTION
[0022] The utility model will be further described below in combination with the drawings and specific embodiments.
[0023] Referring to Figure 1, Figure 4 , Figure 5 , the utility model provides a rotomoulded packaging box with pneumatic support rod, including box body 1 and box cover 2, box body 1 and box cover 2 are all rotomoulded structure, and the both are connected through the hinge 3 set at its back, and the opening and closing action is realized by the hinge shaft turning over of box cover 2, and sealing structure 10 and lock catch mechanism 5 are equipped at the joint part of box cover 2 and box body 1;Its particularity lies in: install pneumatic support rod 4 between box body 1 and box cover 2;Pneumatic support rod 4 is arranged two groups of left and right symmetry, and is equipped with support rod assembly boss 2-1 on the inner wall of box cover 2 in cooperation, and support seat 2-2 is installed on support rod assembly boss 2-1, and metal support block 1-1 is pre-buried in the side wall of box body when rotomoulding box body 1, and one end of pneumatic support rod 4 is articulated with support seat 2-2, and the other end is articulated with metal support block 1-1.
[0024] Referring to Figure 1 , Figure 2 , Figure 3 , the utility model discloses rotomoulded packaging box with pneumatic support rod, the side wall and bottom surface of its box body 1, the side wall and top surface of box cover 2 all are equipped with reinforcing rib 9, wherein the reinforcing rib on the side wall and bottom surface of box body 1, the side wall of box cover is groove type reinforcing rib 9-2, and the reinforcing rib on the top surface of box cover 2 is boss type reinforcing rib 9-1, and the groove type reinforcing rib 9-2 on the bottom surface of box body is matched with the boss type reinforcing rib 9-1 on the top surface of box cover;When more than two rotomoulded packaging boxes are stacked, the boss type reinforcing rib 9-1 on the top surface of the lower rotomoulded packaging box can be embedded in the groove type reinforcing rib 9-2 on the bottom surface of the upper rotomoulded packaging box.
[0025] Still referring to Figure 1 , Figure 2 , Figure 3In a preferred embodiment of this utility model: an air release valve 11 is provided on the side wall of the box body 1, and two sets of roller assemblies 6 are provided on one side of the bottom of the box body 1, or four sets of roller assemblies can be provided at the four corners of the bottom of the box body 1; handles 8 are provided on both sides of the box cover 2, and the handles 8 are integrally formed with the box cover 2 by rotational molding process.
[0026] See Figure 5 , Figure 6 This utility model provides a rotomolded packaging box with a pneumatic support rod. A pneumatic support rod 4 is installed between the box lid 2 and the box body 1. When opening the box lid 2 to retrieve or place items, the pneumatic support rod 4 can fix the box lid 2, maintaining it at a suitable opening angle. This utility model designs the pneumatic support rod 4 with one end hinged to the support seat 2-2 on the support rod mounting boss 2-1 of the box lid 2, and the other end hinged to the metal support block 1-1 pre-embedded in the side wall of the box body 1, as shown in the attached diagram. Figure 6 As shown, during the opening of the lid 2, the lid 2 rotates counterclockwise around the hinge axis, from position I to position II and then to position III. While the pneumatic support rod 4 extends, both ends rotate around the corresponding hinge axis as the lid 2 moves. When the pneumatic support rod 4 extends to its limit position (position III), the lid 2 is supported and fixed at the set flip angle. At this time, items can be taken out and put in the box 1. After the item taking out and putting in operation is completed, force is applied to the lid 2 to make it rotate clockwise, from position III to position II and then back to position I. The pneumatic support rod 4 retracts, and the lid 2 and the box 1 are fastened together. Then, the lid 2 can be locked and fixed by the locking structure 5, and the sealing structure 10 seals the joint between the two.
Claims
1. A rotomolded packaging box with a pneumatic support rod, comprising a box body (1) and a box lid (2), wherein the box body (1) and the box lid (2) are connected by a hinge (3) provided on their backs, the box lid (2) rotates around the hinge axis to achieve opening and closing action, and a sealing structure (10) and a locking structure (5) are provided at the joint between the box lid (2) and the box body (1); characterized in that: A pneumatic support rod (4) is installed between the box body (1) and the box cover (2); two sets of the pneumatic support rod (4) are arranged symmetrically on the left and right sides, and a support rod mounting boss (2-1) is provided on the inner wall of the box cover (2). One end of the pneumatic support rod is hinged to the support seat (2-2) installed on the support rod mounting boss (2-1), and the other end is hinged to the metal support block (1-1) embedded in the side wall of the box body (1).
2. The rotomolded packaging box with pneumatic support rod according to claim 1, characterized in that: The side walls and bottom surfaces of the box body (1), and the side walls and top surfaces of the box cover (2) are provided with reinforcing ribs (9); the reinforcing ribs on the side walls and bottom surfaces of the box body (1) and the side walls of the box cover are groove-type reinforcing ribs (9-2), and the reinforcing ribs on the top surface of the box cover (2) are boss-type reinforcing ribs (9-1). The groove-type reinforcing ribs (9-2) on the bottom surface of the box body match the boss-type reinforcing ribs (9-1) on the top surface of the box cover.
3. The rotomolded packaging box with pneumatic support rod according to claim 2, characterized in that: Handles (7) are provided on the left and right side walls of the box (1); the handles (7) are installed on the reinforcing ribs of the left and right side walls of the box through hinge seats. When not being pulled up, the handles (7) are hidden in the grooves of the reinforcing ribs of the left and right side walls of the box.
4. The rotomolded packaging box with pneumatic support rod according to claim 2, characterized in that: The locking structure (5) includes a movable buckle (5-1) and a fixed buckle (5-2). The movable buckle (5-1) and the fixed buckle (5-2) cooperate to lock the closed lid (2) onto the box body (1). The movable buckle (5-1) is installed on the side wall of the box body (1) and is hidden in the reinforcing rib groove of the side wall of the box body. The fixed buckle (5-2) is installed on the side wall of the lid (2) and is hidden in the reinforcing rib groove of the side wall of the lid.
5. The rotomolded packaging box with pneumatic support rod according to any one of claims 1 to 4, characterized in that: The sealing structure (10) includes a sealing groove (10-1) and a sealing strip (10-2); the sealing groove (10-1) is set on the joint surface of the box body (1) and the box cover (2), and the sealing strip (10-2) is embedded in the sealing groove of the box body (1). After the box cover (2) is closed, the sealing strip (10-2) fills the sealing groove (10-1) of the box body and the box cover.
6. The rotomolded packaging box with pneumatic support rod according to claim 5, characterized in that: An air release valve (11) is provided on the side wall of the housing (1).
7. The rotomolded packaging box with pneumatic support rod according to claim 5, characterized in that: Handles (8) are provided on both sides of the box cover (2).
8. The rotomolded packaging box with pneumatic support rod according to claim 5, characterized in that: A roller assembly (6) is provided on at least one side of the bottom of the housing (1).