Multi-layer buffering type packing box liner support

By designing a multi-layered cushioning packaging box support, and utilizing air expulsion and spring return mechanisms, the problem of insufficient relief effect of existing supports is solved, achieving a more effective protective effect.

CN223920097UActive Publication Date: 2026-02-17ANHUI XINYAN PRINTING CO LTD
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Patent Information

Application Number
CN202520709335.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2026-02-17
Estimated Expiration
2035-04-15

AI Technical Summary

Technical Problem

Existing packaging box padding supports can only provide protection through their own thickness when dropped or bumped, which has a limited mitigating effect.

Method used

The packaging box adopts a multi-layer cushioning support, including a base plate, a top plate, an outer tube, springs, and a splicing and expansion mechanism. The air in the outer tube is discharged to buffer the impact force, and the spring return and splicing mechanism are used to achieve a stable connection of the multi-layer support.

Benefits of technology

It effectively delays and buffers impact force, achieving multi-layered cushioning protection for the packaging box liner and support, and enhancing the protection against drops and bumps.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of buffer pads, and discloses a multilayer buffer type packing box pad support which comprises a bottom plate, a groove is formed in the top of the bottom plate, fixing rods are fixedly connected to the four corners of the inner side of the groove, and outer pipes are slidably connected to the upper ends of the outer walls of the fixing rods. The periphery of the upper end of the outer wall of each outer pipe is provided with vent holes, the tops of the outer pipes are fixedly connected with a top plate, the bottom of the top plate is fixedly connected with a plurality of springs at equal intervals, the left side and the right side of the bottom plate are each provided with a splicing expansion mechanism, and the splicing expansion mechanisms are used for splicing the multi-layer buffering type packing box liner support. According to the packing box gasket support, when the top plate drives the outer pipes to press downwards, the fixing rods can extrude air in the outer pipes, the air is exhausted from the vent holes, then the springs installed in the outer pipes can push the top plate back to the original position, and therefore the effect that impact borne by the packing box gasket support is relieved is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of buffer gasket, especially to multilayer buffering type packing box gasket support. BACKGROUND

[0002] The gasket support is a device for supporting and protecting objects, which is made of materials with certain strength and flexibility, such as plastic, rubber and metal. The gasket support provides cushioning and isolation between the object and the supporting surface, reducing the pressure, vibration and friction on the object, thereby protecting the object from damage.

[0003] The packing box gasket support is an internal support structure designed specifically for packing boxes, made of paper, plastic or foam material. It is customized according to the shape, size and weight characteristics of the items in the packing box, and can closely fit the internal space of the box. The previous packing box gasket support was a simple support made of filler such as newspaper, which was relatively loose. Today, more stable packing box gasket supports are made of plastic, rubber and metal. However, the existing packing box gasket supports are mostly single-material integrated whole supports. When dropped or bumped, the integrated packing box gasket support can only rely on its own thickness for protection, which results in a small cushioning effect of the packing box gasket support when dropped or bumped. SUMMARY

[0004] To overcome the above shortcomings, the utility model provides a multilayer buffering type packing box gasket support, which aims to improve the problem that the integrated packing box gasket support in the prior art can only rely on its own thickness for protection when dropped or bumped, resulting in a small cushioning effect of the packing box gasket support when dropped or bumped.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a multilayer buffering type packing box gasket support, comprising a bottom plate, a recess is formed in the top of the bottom plate, four fixed rods are fixedly connected to the inner side of the four corners of the recess, an outer tube is slidably connected to the outer wall of each fixed rod, a plurality of air holes are formed around the outer wall of the upper end of each outer tube, a top plate is fixedly connected to the top of each outer tube, a plurality of springs are fixedly connected to the bottom of the top plate at equal intervals, a splicing expansion mechanism is installed on the left and right sides of the bottom plate, and the splicing expansion mechanism is used to splice the multilayer buffering type packing box gasket support.

[0006] Further description of the above technical scheme:

[0007] The splicing expansion mechanism comprises a plug buckle, the left side of the plug buckle is fixedly connected to the right side of the bottom plate, the upper and lower ends of the plug buckle are slidably connected with fixing buckles, the adjacent sides of the two fixing buckles are fixedly connected with, the middle parts of the adjacent sides of the two fixing buckles are fixedly connected with steel wires, the ends of the steel wires are fixedly connected with pull rings, and the left side of the bottom plate is provided with a fixing groove.

[0008] As a further description of the above technical solution:

[0009] The top wall of the bottom plate is provided with a plurality of calibration holes at equal intervals, and the bottom wall of the top plate is fixedly connected with a plurality of calibration rods.

[0010] As a further description of the above technical solution:

[0011] The inner sides of the plurality of air holes are fixedly connected with fixing frames, and the outer walls of the plurality of fixing frames are fixedly connected with filter screens.

[0012] As a further description of the above technical solution:

[0013] The inner sides of the plug buckles are rotatably connected with two rotating rods, and the outer walls of the two rotating rods are fixedly connected with pulleys.

[0014] As a further description of the above technical solution:

[0015] The outer wall of the pull ring is fixedly connected with a rubber sleeve, and the outer wall of the rubber sleeve is provided with anti-skid lines.

[0016] As a further description of the above technical solution:

[0017] The top parts of the plurality of fixing rods are threadedly connected with screws, and the outer walls of the plurality of screws are threadedly connected with protective pads in the upper parts.

[0018] As a further description of the above technical solution:

[0019] The top part of the top plate is fixedly connected with a rubber pad, and the top part of the rubber pad is provided with a plurality of semicircular grooves at equal intervals.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1、 in the utility model, the top plate drives a plurality of outer tubes to be synchronously pressed down, when the plurality of outer tubes moves downward, the corresponding fixing rods fixed in the grooves will extrude the air in the outer tubes, so that the air is discharged from the plurality of air holes, so as to extend the speed of the top plate descending, and then the spring installed in the outer tube will push the top plate back to the original position, so as to realize the effect of relieving the impact on the packaging box liner support.

[0022] 2. In the utility model, the pull ring is used for pulling two fixed buckles in the retracting buckle, then the first bottom plate right side is inserted into the second bottom plate left side, then the pull ring is loosened, at this time, two corresponding fixed buckles are pushed out, so as to realize the effect of splicing and expansion of the multi-layer buffer type packaging box gasket support. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The utility model provides a multi -layer buffer type packaging box gasket support's perspective view is provided for the utility model;

[0024] Figure 2 The utility model provides a multi -layer buffer type packaging box gasket support's partial structure split diagram is provided for the utility model;

[0025] Figure 3 For Figure 2 The enlarged view of A in the figure is provided for the utility model;

[0026] Figure 4 The utility model provides a multi -layer buffer type packaging box gasket support's splicing expansion mechanism section view;

[0027] Figure 5 For Figure 4 The enlarged view of B in the figure is provided for the utility model;

[0028] Figure 6 For Figure 4 The enlarged view of C in the figure is provided for the utility model.

[0029] Legend:

[0030] 1, bottom plate, 2, splicing expansion mechanism, 201, insert buckle, 202, fixed buckle, 203, spring two, 204, steel wire, 205, pull ring, 206, fixed groove, 3, recess, 4, fixed rod, 5, outer tube, 6, air hole, 7, top plate, 8, spring one, 9, calibration hole, 10, calibration rod, 11, fixed frame, 12, filter screen, 13, rotating rod, 14, pulley, 15, rubber sleeve, 16, anti -slip pattern, 17, screw, 18, protective pad, 19, rubber pad, 20, semicircular groove. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be clearly 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 those skilled in the art without creative labor belong to the protection scope of the utility model.

[0032] Refer to Figure 2 And Figure 3The utility model provides a kind of embodiment of the utility model provides a kind of embodiment: multilayer buffering type packing box liner support, including bottom plate 1, the top of bottom plate 1 is equipped with recess 3, the inner side four corners of recess 3 are all fixedly connected with fixed rod 4, recess 3 is used to install fixed rod 4, the outer wall upper end of multiple fixed rods 4 is all slidingly connected with outer tube 5, the outer wall upper end of multiple outer tubes 5 is all equipped with vent hole 6 around, vent hole 6 is used to keep the air circulation in outer tube 5, the top of multiple outer tubes 5 is all fixedly connected with top plate 7, the bottom of top plate 7 is equidistantly fixedly connected with multiple spring one 8, spring one 8 is used to push top plate 7, the left and right sides of bottom plate 1 are all installed with splicing expansion mechanism 2, splicing expansion mechanism 2 is used to splice multilayer buffering type packing box liner support, the top wall of bottom plate 1 is equidistantly equipped with multiple calibration holes 9, the bottom wall of top plate 7 is equidistantly fixedly connected with multiple calibration rods 10, calibration hole 9 and calibration rod 10 are used for the calibration of multilayer buffering type packing box liner support, the inner side of multiple vent holes 6 is all fixedly connected with fixed frame 11, the outer wall of multiple fixed frames 11 is all fixedly connected with filter screen 12, fixed frame 11 is used to fix filter screen 12;

[0033] Specifically, with the depression of top plate 7, multiple outer tubes 5 fixed thereunder are synchronously pressed and depressed, and when multiple outer tubes 5 move downward, the corresponding fixed rods 4 fixed in recess 3 will extrude the air in outer tube 5, so that the air in outer tube 5 is discharged from multiple vent holes 6, thereby extending the speed of top plate 7 descending, and then spring one 8 installed in outer tube 5 will push top plate 7 back to the original position, and bottom plate 1 and top plate 7 are calibrated through the cooperation of calibration hole 9 and calibration rod 10, and the filter screen 12 fixed in vent hole 6 through fixed frame 11 can intercept foreign matters.

[0034] Referring to Figure 1 、 Figure 4 and Figure 5 , splicing expansion mechanism 2 includes plug buckle 201, the left side of plug buckle 201 is fixedly connected on the right side of bottom plate 1, the upper and lower ends of plug buckle 201 are all slidingly connected with fixed buckle 202, the adjacent one side front and back ends of two fixed buckles 202 are all fixedly connected with spring two 203, spring two 203 is used to push fixed buckle 202, the adjacent one side middle part of two fixed buckles 202 is all fixedly connected with steel wire 204, the tail end of steel wire 204 is fixedly connected with pull ring 205, pull ring 205 pulls fixed buckle 202 through steel wire 204, the left side of bottom plate 1 is equipped with fixed slot 206, fixed slot 206 is used to fix plug buckle 201, the inner side of plug buckle 201 is equidistantly rotationally connected with two rotating rods 13, the outer wall of two rotating rods 13 is all fixedly connected with pulley 14, rotating rod 13 is used to fix pulley 14;

[0035] Specific, pull the pull ring 205 to drive the steel wire 204 back, at this time the steel wire 204 will pull two fixed buckle 202 retracting plug buckle 201, then the first bottom plate 1 right side of the plug buckle 201 inserted into the second bottom plate 1 left side of the fixed slot 206, then release the pull ring 205, at this time the two spring two 203 will be pushed out of the corresponding fixed buckle 202, so as to fix two multi-layer buffer type packaging box pad support, through the pulley 14 fixed by the rotating rod 13 can improve the smoothness of the steel wire 204.

[0036] Referring to Figure 2 And Figure 6 The outer wall of the pull ring 205 is fixedly connected with a rubber sleeve 15, the outer wall of the rubber sleeve 15 is provided with anti-skid lines 16, the anti-skid lines 16 are used to improve the anti-skid property of the rubber sleeve 15, the top of the plurality of fixed rods 4 is threadedly connected with a screw 17, the outer wall of the plurality of screws 17 is threadedly connected with a protective pad 18, the screw 17 is used to fix the protective pad 18, the top of the top plate 7 is fixedly connected with a rubber pad 19, the top of the rubber pad 19 is equidistantly provided with a plurality of semicircular grooves 20, the semicircular grooves 20 are used to improve the friction of the rubber pad 19.

[0037] Specifically, the rubber sleeve 15 fixed on the pull ring 205 improves the grip by the anti-skid lines 16 provided on the outer wall, the protective pad 18 fixed by the screw 17 can provide protection for the fixed rod 4, and the rubber pad 19 provides friction by the semicircular grooves 20 provided thereon.

[0038] Working principle: when the multi-layer buffer type packaging box pad support is impacted, the top plate 7 is first depressed, and the plurality of outer tubes 5 fixed thereunder are simultaneously depressed as the top plate 7 is depressed, and when the plurality of outer tubes 5 are moved downward, the corresponding fixed rods 4 fixed in the grooves 3 will extrude the air in the outer tubes 5, so that the air in the outer tubes 5 is discharged from the plurality of air holes 6, thereby extending the speed of the top plate 7 descending, and then the spring one 8 installed in the outer tube 5 will push the top plate 7 back to the original position, thereby achieving the effect of relieving the impact on the packaging box pad support.

[0039] When the multi-layer buffer type packaging box pad support is installed in different specifications of cartons, first pull the pull ring 205 to drive the steel wire 204 back, at this time the steel wire 204 will pull two fixed buckle 202 retracting plug buckle 201, then the first bottom plate 1 right side of the plug buckle 201 inserted into the second bottom plate 1 left side of the fixed slot 206, then release the pull ring 205, at this time the two spring two 203 will be pushed out of the corresponding fixed buckle 202, so as to fix two multi-layer buffer type packaging box pad support, thereby achieving the effect of splicing and expanding the multi-layer buffer type packaging box pad support.

[0040] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A multi-layer cushioning type packaging box liner support frame comprising a bottom plate (1), characterized in that: The top of the bottom plate (1) is provided with a groove (3), the inner side of the groove (3) is fixedly connected with a fixed rod (4) at four corners, the outer wall upper end of the plurality of fixed rods (4) is slidably connected with an outer tube (5), the outer wall upper end of the plurality of outer tubes (5) is provided with a ventilation hole (6) around, the top of the plurality of outer tubes (5) is fixedly connected with a top plate (7), the bottom of the top plate (7) is fixedly connected with a plurality of springs (8), the left and right sides of the bottom plate (1) are provided with a splicing expansion mechanism (2), and the splicing expansion mechanism (2) is used for splicing a plurality of layers of buffer type packaging box liner supports.

2. The multi-layer cushioning packaging box liner support of claim 1, wherein: The splicing expansion mechanism (2) comprises a plug buckle (201), the left side of the plug buckle (201) is fixedly connected with the right side of the bottom plate (1), the upper and lower ends of the plug buckle (201) are slidably connected with a fixed buckle (202), the adjacent side of the two fixed buckles (202) is fixedly connected with a spring (203), the adjacent side of the two fixed buckles (202) is fixedly connected with a steel wire (204), and the end of the steel wire (204) is fixedly connected with a pull ring (205). The left side of the bottom plate (1) is provided with a fixed groove (206).

3. The multi-layer cushioning packaging box liner support of claim 1, wherein: The top wall of the bottom plate (1) is provided with a plurality of calibration holes (9), and the bottom wall of the top plate (7) is fixedly connected with a plurality of calibration rods (10).

4. The multi-layer cushioning packaging box liner support of claim 1, wherein: The inner side of the plurality of ventilation holes (6) is fixedly connected with a fixed frame (11), and the outer wall of the plurality of fixed frames (11) is fixedly connected with a filter screen (12).

5. The multi-layer cushioning packaging box liner support of claim 2, wherein: The inner side of the plug buckle (201) is rotatably connected with two rotating rods (13), and the outer wall of the two rotating rods (13) is fixedly connected with a pulley (14).

6. The multi-layer cushioning packaging box liner support of claim 2, wherein: The outer wall of the pull ring (205) is fixedly connected with a rubber sleeve (15), and the outer wall of the rubber sleeve (15) is provided with an anti-skid pattern (16).

7. The multi-layer cushioning packaging box liner support of claim 1, wherein: The top of the plurality of fixed rods (4) is threadedly connected with a screw (17), and the outer wall of the plurality of screws (17) is threadedly connected with a protective pad (18).

8. The multi-layer cushioning packaging box liner support of claim 1, wherein: The top of the top plate (7) is fixedly connected with a rubber pad (19), and the top of the rubber pad (19) is provided with a plurality of semicircular grooves (20) at equal intervals. The top of the top plate (7) is fixedly connected with a rubber pad (19), and the top of the rubber pad (19) is provided with a plurality of semicircular grooves (20) at equal intervals.