Folding type plastic packaging box body

By designing a foldable plastic packaging box and utilizing a combination of support and fixing components, the adjustable storage space of the box and the stable fixing of the cover are achieved, solving the problems of limited space and poor stability of existing plastic packaging boxes, and improving the convenience and stability of packaging.

CN223721464UActive Publication Date: 2025-12-26SHANGHAI KAISU PACKAGING MATERIAL CO LTD
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Patent Information

Application Number
CN202520389425.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2025-12-26
Estimated Expiration
2035-03-07

AI Technical Summary

Technical Problem

Existing plastic packaging boxes have limited internal storage space, which cannot be adjusted as needed, and the lids are easily opened under force, affecting packaging stability.

Method used

A foldable plastic packaging box was designed, comprising a base, a box body, a fixing frame, and a cover. The box body can be folded and extended through the combination of support components and fixing components, and the cover can be stably fixed by the cooperation of support screws and fixing grooves.

Benefits of technology

It improves the convenience and stability of the packaging box, allows for adjustment of storage space as needed, prevents the lid from opening, and enhances the convenience and practicality of transporting packaged items.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a folding type plastic packaging box body in the technical field of plastic packaging box bodies, which comprises a base of the packaging box body, a box body is arranged on the top of the base, a fixing frame is arranged on the top of the box body, two cover plates are hinged on the inner side of the fixing frame, four groups of supporting pieces are arranged between the fixing frame and the base, and the supporting pieces are arranged on the box body. The multiple end-to-end V-shaped parts of the box body can be folded and stretched, the box body is supported through the fixing frame through the supporting piece, the cover plate can be limited and fixed through the fixing piece, the cover plate is prevented from being opened due to large stress, and the problems that an operator cannot conveniently use the packaging box body to adjust the space, and the working efficiency is high are solved. And a box cover at the top of the packaging box body is easy to open due to large stress, so that the packaging and transferring stability of the packaging box body is influenced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to plastic packaging box body technical field, specifically a folding plastic packaging box body. BACKGROUND

[0002] Plastic packaging box includes: plastic turnover box, plastic logistics turnover box, anti -static plastic turnover box etc. belong to packing and packing material type, generally plastic packing material is mostly disposable, hollow board material width of advanced PP, PE hollow board standard production line production can reach 2200mm, thickness can reach 12mm, currently plastic packaging box body usually is hard shell structure, and the packing space is relatively fixed, it is inconvenient to fold and store according to the required packing space.

[0003] The interior storage space of the current plastic packaging box body is relatively single, which is inconvenient for operators to use the packaging box body to adjust the space, and the lid of the packaging box body at the top is subjected to a large force and is easily opened, affecting the stability of the packaging box body during packaging and transportation. Therefore, the technical personnel in the field provide a folding plastic packaging box body to solve the problems raised in the above background technology. SUMMARY

[0004] The utility model aims at providing a folding plastic packaging box body to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a folding plastic packaging box body, comprising the base of the packaging box body, the base top is installed with the box body, the box body top is installed with the fixed frame, the fixed frame inboard is hinged with two cover plates;

[0006] Four groups of supporting pieces are installed between the fixed frame and the base, the supporting pieces are used to support the extension height of the fixed frame, fixed pieces are installed on both sides of the fixed frame respectively, the fixed pieces are used to fix and open the two cover plates, and the four sides of the box body are a plurality of V-shaped parts connected head to tail.

[0007] Preferably, the supporting piece comprises two fixed grooves opened on both sides of the base, a fixed shaft is connected to the inner side of the fixed groove close to one end, a supporting frame is sleeved on the outer side of the fixed shaft, a supporting lead screw is connected to the inner side of the supporting frame, the supporting lead screw is screwed with the supporting frame, and the supporting frame is hinged with the fixed shaft.

[0008] Preferably, the supporting piece further comprises two fixed blocks installed on both sides of the fixed frame respectively, a lock slot is opened in the bottom of the fixed block, a rotating block is connected to one end of the supporting lead screw, and an insertion rod is connected to the top of the rotating block.

[0009] Preferably: the fixing part includes multiple movable grooves arranged uniformly on both sides of the fixing frame respectively, a connecting rod is connected to the inner side of the movable groove, one end of the connecting rod is connected to a pad plate, a spring is sleeved to the inner side of the movable groove and outside the connecting rod, the other end of the connecting rod is connected to a pressing plate, and the pad plate is in sliding connection with the movable groove.

[0010] Preferably: the fixing frame is connected with a support strip on both sides.

[0011] Preferably: the inner side wall of the box body is connected with a protective film.

[0012] Preferably: the bottom of the base is connected with three support pads arranged uniformly near both sides, and an elastic cavity is formed in the inner side of the support pad.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、in the utility model, through setting up the box body, the fixing frame and the cover plate, the V-shaped part of the box body can be folded and stretched, the box body is supported by the fixing frame through the supporting part, the cover plate is fixed by the fixing part, the cover plate is prevented from being opened under large stress, and the convenience and practicality of the box body for packaging goods are improved.

[0015] 2、in the utility model, through setting up the fixing groove, the support frame, the support screw rod, the fixed block, the lock catch groove and the insertion rod, the fixing groove can provide the support frame with a storage space, the support screw rod is supported by the support frame through the fixed shaft, the support screw rod is stretched and contracted in the support frame through the rotating block, the support screw rod is inserted into the lock catch groove at the bottom of the fixed block through the insertion rod at the top of the rotating block, the support frame and the support screw rod are supported and fixed by the fixing frame, and the convenience and stability of the box body for folding and adjusting the storage space are improved.

[0016] 3、in the utility model, through setting up the connecting rod, the pad plate, the spring, the pressing plate and the support strip, the spring can extrude the connecting rod through the pad plate, the pad plate drives the pressing plate to press and fix the cover plate through the connecting rod, and the support strip supports the two cover plates, so that the convenience and stability of the two cover plates are improved. ACCURACY

[0017] Figure 1 It is the schematic diagram of the whole structure of the utility model;

[0018] Figure 2 It is the left view of the whole structure of the utility model Figure 1 ;

[0019] Figure 3 It is the left view of the whole structure of the utility modelFigure 2 ;

[0020] Figure 4 The utility model discloses a whole structure's Figure 2 The enlarged view of A in the middle;

[0021] Figure 5 The utility model discloses a whole structure's Figure 2 The enlarged view of B in the middle;

[0022] Figure 6 It is the structural diagram of fixed axle, support frame, support screw rod, fixed block, lock catch groove, rotating block and insertion rod in the whole structure of the utility model.

[0023] In the drawing: 1, base; 2, box; 3, fixed frame; 4, cover plate; 5, fixed groove; 6, fixed axle; 7, support frame; 8, support screw rod; 9, fixed block; 10, lock catch groove; 11, rotating block; 12, insertion rod; 13, movable groove; 14, connecting rod; 15, pad; 16, spring; 17, pressing plate; 18, support strip; 19, protective film; 20, support pad; 21, elastic cavity. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figures 1-6 In the embodiments of the utility model, a folding plastic packaging box body includes the base 1 of the packaging box body 2, the base 1 top is provided with the box 2, the box 2 top is provided with the fixed frame 3, the fixed frame 3 inner side is hinged with two cover plates 4, four groups of support pieces are installed between the fixed frame 3 and the base 1, the support piece is used to support the extension height of the fixed frame 3, the fixed frame 3 both sides are respectively provided with fixed pieces, and the fixed piece is used to fix and open the two cover plates 4, the box 2 inner wall is connected with the protective film 19, the base 1 bottom and close to both sides are respectively connected with three support pads 20 arranged uniformly, the support pad 20 inner side is provided with the elastic cavity 21, and the box 2 four sides are multiple V-shaped parts connected head to tail.

[0026] When in use, the plurality of support pads 20 at the bottom of the box body 2 can support the bottom of the box body 2, the elastic cavities 21 inside the support pads 20 can protect the support pads 20 from shock, the plurality of support pads 20 can protect the bottom of the box body 2, the plurality of V-shaped parts connected end to end of the box body 2 can be folded and stretched, the protective film 19 is mainly made of rubber material, can effectively prevent water and scratches, and avoid damage to the box body 2, the box body 2 is supported by the support through the fixing frame 3, the cover plate 4 is limited and fixed by the fixing part, and the cover plate 4 is prevented from being opened due to large stress, and the convenience and practicality of the box body 2 for transporting packaged articles are improved.

[0027] In one embodiment, specifically, the support part comprises two fixing grooves 5 formed on both sides of the base 1, a fixing shaft 6 is connected to one end inside the fixing groove 5, a support frame 7 is sleeved outside the fixing shaft 6, a support lead screw 8 is connected to the inside of the support frame 7, the support part further comprises two fixing blocks 9 installed on both sides of the fixing frame 3, respectively, a lock groove 10 is formed at the bottom of the fixing block 9, a rotating block 11 is connected to one end of the support lead screw 8, an insertion rod 12 is connected to the top of the rotating block 11, the support lead screw 8 is screwed with the support frame 7, and the support frame 7 is hinged with the fixing shaft 6.

[0028] The fixing groove 5 can provide a storage space for the support frame 7, the fixing shaft 6 supports the support lead screw 8 through the support frame 7, the rotating block 11 can drive the support lead screw 8 to screw in the support frame 7 to stretch and shrink, so that the support lead screw 8 is inserted into the lock groove 10 at the bottom of the fixing block 9 through the insertion rod 12 at the top of the rotating block 11, so that the support frame 7 and the support lead screw 8 support and fix the box body 2 through the fixing frame 3, and the convenience and stability of folding and adjusting the storage space of the box body 2 are improved.

[0029] Further, the fixing part comprises a plurality of movable grooves 13 formed on both sides of the fixing frame 3 in a uniform arrangement, a connecting rod 14 is connected to the inside of the movable groove 13, a pad 15 is connected to one end of the connecting rod 14, a spring 16 is sleeved outside the connecting rod 14 inside the movable groove 13, a pressing plate 17 is connected to the other end of the connecting rod 14, support strips 18 are connected to the inside of both sides of the fixing frame 3, and the pad 15 is in sliding connection with the movable groove 13.

[0030] In one embodiment, specifically, the spring 16 can extrude the connecting rod 14 through the pad 15, so that the pad 15 drives the pressing plate 17 to press and fix the cover plate 4 through the connecting rod 14, and the support strips 18 support the two cover plates 4, thereby improving the convenience and stability of fixing the two cover plates 4.

[0031] The working principle of the utility model:

[0032] First, the fixed frame 3 drive box 2 occurs, and then the support frame 7 outside the fixed shaft 6 occurs, and then the fixed shaft 6 through the support frame 7 on the support lead screw 8 support, rotating block 11 drive support lead screw 8 occurs in the support frame 7 screw joint rotation, this time the support lead screw 8 through the rotating block 11 top insertion rod 12 inserted into the fixed block 9 bottom lock slot 10, the support frame 7 and support lead screw 8 through the fixed frame 3 on the box 2 support fixed, while the fixed frame 3 inside both sides of the support strip 18 on the cover plate 4 support, then the spring 16 through the gasket 15 on the connecting rod 14 extrusion, this time the gasket 15 through the connecting rod 14 drive the pressure plate 17 on the cover plate 4 compression fixed, while the support strip 18 on the two cover plate 4 support.

[0033] The above, only for the preferred specific embodiments of the present application, but the scope of the present application is not limited to this, any skilled in the art of the technical personnel in the present application disclosed in the technical range, according to the technical scheme of the present application and the utility model concept to replace or change, should be covered in the scope of the present application.

Claims

1. A folding plastic packaging box body comprising a base (1) of a packaging box body (2), characterized in that: The base (1) top is equipped with a box (2), the box (2) top is equipped with a fixed frame (3), the fixed frame (3) inside articulates with two cover plates (4); Four groups of support pieces are installed between the fixed frame (3) and the base (1), the support pieces are used to support the extension height of the fixed frame (3), the fixed frame (3) both sides are respectively equipped with a fixing piece, the fixing piece is used to fix and open two cover plates (4), the box (2) four sides are a plurality of V-shaped parts connected head to tail.

2. The folding plastic packaging box according to claim 1, wherein: The support piece includes two fixed grooves (5) opened in the both sides of the base (1), the fixed groove (5) inside and close to one end is connected with a fixed shaft (6), the fixed shaft (6) outside is sleeved with a support frame (7), the support frame (7) inside is connected with a support lead screw (8), the support lead screw (8) is screwed with the support frame (7), the support frame (7) is articulated with the fixed shaft (6).

3. A folding plastic packaging box according to claim 2, characterized in that: The support piece further includes two fixed blocks (9) respectively installed on both sides of the fixed frame (3), the fixed block (9) bottom is equipped with a lock groove (10), the support lead screw (8) one end is connected with a rotating block (11), the rotating block (11) top is connected with an insertion rod (12).

4. The folding plastic packaging box according to claim 2, wherein: The fixing piece includes a plurality of movable grooves (13) respectively opened in the both sides of the fixed frame (3) and arranged uniformly, the movable groove (13) inside is connected with a connecting rod (14), the connecting rod (14) one end is connected with a backing plate (15), the movable groove (13) inside and located outside the connecting rod (14) is sleeved with a spring (16), the connecting rod (14) other end is connected with a pressing plate (17), the backing plate (15) and the movable groove (13) are slidingly connected.

5. The folding plastic packaging box according to claim 1, wherein: The fixed frame (3) inside both sides are respectively connected with a support strip (18).

6. The folding plastic packaging box of claim 1, wherein: The box (2) inside wall is connected with a protective film (19).

7. The folding plastic packaging box according to claim 1, wherein: The base (1) bottom and close to both sides are respectively connected with three support pads (20) arranged uniformly, the support pad (20) inside is equipped with an elastic cavity (21).