Lightweight corrugated board with built-in indentation reinforcing structure

Abstract

The utility model relates to the technical field of corrugated boards, and discloses a light corrugated board with a built-in indentation reinforcing structure, which solves the problem that the existing corrugated board is easy to deform when bearing overlarge external force, and comprises inner paper, surface paper is arranged right above the inner paper, core paper is adhered between the inner paper and the surface paper, and the core paper is arranged between the inner paper and the surface paper. A buffer mechanism is mounted at the top of the surface paper, the buffer mechanism comprises a protective layer located over the surface paper, and a U-shaped plate is fixedly mounted at the bottom of the protective layer; according to the utility model, through the cooperation among the U-shaped plate, the U-shaped round rod and the movable rod, when the protective layer is pressed, the two guide plates are driven to slide along the guide rod, then the two buffer springs are compressed, and the rubber sleeve and the two elastic balls are deformed; and then, a part of impact force can be absorbed to buffer the protective layer, so that the whole corrugated board is prevented from being deformed due to excessive stress.

Description

Technical Field

[0001] The utility model belongs to the technical field of corrugated paperboards, in particular to a lightweight corrugated paperboard with a built-in indentation reinforcement structure. Background Art

[0002] Corrugated cardboard is a multi-layer adhesive body, which is composed of at least one layer of wavy core paper interlayer and one layer of cardboard. It has good elasticity and extensibility. It is mainly used to make cartons, carton sandwiches and other packaging materials for fragile goods. It is the material for preparing corrugated cardboard packaging boxes. Corrugated cardboard is made into corrugated boxes through die-cutting, creasing, nailing or gluing.

[0003] The existing corrugated paperboard has a simple structure and is easily deformed when subjected to excessive external force, thereby affecting the practicability of the corrugated paperboard. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a lightweight corrugated paperboard with a built-in indentation reinforcement structure, which effectively solves the problem that the current corrugated paperboard is prone to deformation when subjected to excessive external force.

[0005] To achieve the above object, the utility model provides the following technical solution: a lightweight corrugated paperboard with a built-in indentation reinforcement structure, comprising a lining paper, a face paper is arranged just above the lining paper, a core paper is bonded between the lining paper and the face paper, and a buffer mechanism is installed on the top of the face paper;

[0006] The buffer mechanism includes a protective layer located directly above the face paper, a U-shaped plate is fixedly installed at the bottom of the protective layer, a top frame located below the U-shaped plate is fixedly installed on the top of the face paper, a guide rod is fixedly installed inside the top frame, two guide plates are symmetrically and movably sleeved on the outer side of the guide rod, two movable rods are symmetrically and rotatably connected on the outer side of the U-shaped plate, and the ends of the two movable rods away from the U-shaped plate are respectively rotatably connected to the two guide plates, an inner plate is fixedly installed inside the top frame, the inner plate is fixedly sleeved on the outer middle part of the guide rod, the inner plate is located between the two guide plates, buffer springs are fixedly connected between the two guide plates and the inner plate, and the two buffer springs are both sleeved on the outer side of the guide rod.

[0007] Preferably, a U-shaped round rod is fixedly installed on the top of the inner plate, the U-shaped plate is movably sleeved on the outside of the U-shaped round rod, a rubber sleeve is fixedly sleeved on the middle part of the outer side of the U-shaped round rod, the rubber sleeve is located above the U-shaped plate, and the bottom of the protective layer is in contact with the rubber sleeve.

[0008] Preferably, two L-shaped round rods are symmetrically fixedly connected to the top of the top frame, and elastic balls are fixedly installed on the ends of the two L-shaped round rods away from the top frame, and the sides of the two guide plates away from each other are respectively fitted with the two elastic balls.

[0009] Preferably, top cylinders are fixedly installed at equal distances on the top of the facial paper, and bottom columns are fixedly installed at equal distances on the bottom of the protective layer, and each bottom column is movably sleeved inside each top cylinder.

[0010] Preferably, a rubber ring is fixedly mounted on the top of the top tube, and an outer ring is fixedly sleeved on the outer side of the bottom column, and the outer ring is located on the top of the rubber ring.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) The utility model, through the cooperation between the U-shaped plate, the U-shaped round rod and the movable rod, when the protective layer is subjected to pressure, drives the two guide plates to slide along the guide rod, and then the two buffer springs are compressed, so that the rubber sleeve and the two elastic balls are deformed. Since the buffer spring, the rubber sleeve and the elastic ball are elastic, they can absorb part of the impact force to buffer the protective layer, thereby preventing the entire corrugated board from being subjected to excessive force and deforming;

[0013] (2) The new type supports the protective layer through the cooperation between the top cylinder and the bottom column and the rubber ring and the outer ring, so that the surface paper is evenly stressed, thereby avoiding damage to the corrugated cardboard due to uneven stress. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0015] In the attached picture:

[0016] Figure 1 This is a schematic diagram of the lightweight corrugated paperboard structure with a built-in indentation reinforcement structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the buffer mechanism of the utility model;

[0018] Figure 3 This is a schematic diagram of the top frame structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the top tube structure of the utility model;

[0020] Figure 5 This is a schematic diagram of the disassembled structure of the top tube and bottom column of the utility model;

[0021] In the figure: 1. inner paper; 2. buffer mechanism; 201. protective layer; 202. top frame; 203. top tube; 204. inner plate; 205. guide rod; 206. guide plate; 207. U-shaped plate; 208. rubber sleeve; 209. U-shaped round rod; 2010. movable rod; 2011. L-shaped round rod; 2012. elastic ball; 2013. buffer spring; 2014. rubber ring; 2015. bottom column; 2016. outer ring; 3. face paper; 4. core paper. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] Embodiment 1, by Figure 1 It is given that the utility model includes an inner paper 1, a surface paper 3 is arranged directly above the inner paper 1, a core paper 4 is bonded between the inner paper 1 and the surface paper 3, a buffer mechanism 2 is installed on the top of the surface paper 3, and the inner paper 1 and the surface paper 3 are both kraft paper with a lower density, which helps to achieve the lightweight of the corrugated cardboard.

[0024] Specifically, by Figure 2-3The buffer mechanism 2 includes a protective layer 201 located just above the face paper 3, a U-shaped plate 207 is fixedly installed at the bottom of the protective layer 201, a top frame 202 located below the U-shaped plate 207 is fixedly installed on the top of the face paper 3, a guide rod 205 is fixedly installed inside the top frame 202, two guide plates 206 are symmetrically and movably sleeved on the outer side of the guide rod 205, two movable rods 2010 are symmetrically and rotatably connected to the outer side of the U-shaped plate 207, and the ends of the two movable rods 2010 away from the U-shaped plate 207 are respectively rotatably connected to the two guide plates 206, an inner plate 204 is fixedly installed inside the top frame 202, the inner plate 204 is fixedly sleeved on the outer middle part of the guide rod 205, the inner plate 204 is located between the two guide plates 206, and the two guide plates 2 06 and the inner plate 204 are fixedly connected with a buffer spring 2013, and the two buffer springs 2013 are sleeved on the outside of the guide rod 205, a U-shaped round rod 209 is fixedly installed on the top of the inner plate 204, the U-shaped plate 207 is movably sleeved on the outside of the U-shaped round rod 209, a rubber sleeve 208 is fixedly sleeved on the middle part of the outer side of the U-shaped round rod 209, the rubber sleeve 208 is located above the U-shaped plate 207, and the bottom of the protective layer 201 is fitted with the rubber sleeve 208, the top of the top frame 202 is symmetrically fixedly connected with two L-shaped round rods 2011, and the ends of the two L-shaped round rods 2011 away from the top frame 202 are fixedly installed with elastic balls 2012, and the sides of the two guide plates 206 away from each other are respectively fitted with the two elastic balls 2012;

[0025] When the protective layer 201 is in use, when an external force is applied, the rubber sleeve 208 is squeezed, and the U-shaped plate 207 is driven to move. Then, the two guide plates 206 are driven to slide along the guide rod 205 through the two movable rods 2010, and the two elastic balls 2012 are squeezed at the same time. The two buffer springs 2013 are compressed. Since the buffer springs 2013, the rubber sleeve 208 and the elastic balls 2012 are elastic, part of the force is absorbed to achieve buffering of the protective layer 201, and finally the entire corrugated cardboard is prevented from being damaged due to excessive force.

[0026] Specifically, by Figure 4-5 It is shown that a top cylinder 203 is fixedly installed at an equal distance on the top of the tissue paper 3, and a bottom column 2015 is fixedly installed at an equal distance on the bottom of the protective layer 201. Each bottom column 2015 is movably sleeved inside each top cylinder 203. A rubber ring 2014 is fixedly installed on the top of the top cylinder 203. An outer ring 2016 is fixedly sleeved on the outer side of the bottom column 2015. The outer ring 2016 is located on the top of the rubber ring 2014.

[0027] When in use, firstly, a plurality of top tubes 203 are evenly arranged on the top of the facial paper 3, and a plurality of bottom columns 2015 are evenly arranged on the bottom of the protective layer 201, so that each bottom column 2015 is respectively sleeved inside each top tube 203, and at the same time, a rubber ring 2014 is arranged on the top of the top tube 203, and an outer ring 2016 is arranged on the outer side of the bottom column 2015 to fit with the rubber ring 2014, so as to support the protective layer 201 and disperse the force applied to the facial paper 3. At the same time, the protective layer 201 is further buffered under the action of the elastic force of the rubber ring 2014, so as to avoid damage to the corrugated cardboard due to uneven force.

Claims

1. A lightweight corrugated paperboard with a built-in indentation reinforcement structure, comprising a lining paper (1), characterized in that: A surface paper (3) is provided directly above the inner paper (1), a core paper (4) is bonded between the inner paper (1) and the surface paper (3), and a buffer mechanism (2) is installed on the top of the surface paper (3); The buffer mechanism (2) comprises a protective layer (201) located directly above the facial paper (3); a U-shaped plate (207) is fixedly installed at the bottom of the protective layer (201); a top frame (202) located below the U-shaped plate (207) is fixedly installed at the top of the facial paper (3); a guide rod (205) is fixedly installed inside the top frame (202); two guide plates (206) are symmetrically and movably sleeved on the outer side of the guide rod (205); two movable rods (210) are symmetrically and rotatably connected on the outer side of the U-shaped plate (207); and the two movable rods (210) are symmetrically and rotatably connected to the outer side of the U-shaped plate (207). One end of (2010) away from the U-shaped plate (207) is rotatably connected to the two guide plates (206), and an inner plate (204) is fixedly installed inside the top frame (202). The inner plate (204) is fixedly sleeved on the middle part of the outer side of the guide rod (205). The inner plate (204) is located between the two guide plates (206). Buffer springs (2013) are fixedly connected between the two guide plates (206) and the inner plate (204), and the two buffer springs (2013) are sleeved on the outer side of the guide rod (205).

2. The lightweight corrugated paperboard with a built-in indentation reinforcement structure according to claim 1, characterized in that: A U-shaped round rod (209) is fixedly installed on the top of the inner plate (204); the U-shaped plate (207) is movably sleeved on the outer side of the U-shaped round rod (209); a rubber sleeve (208) is fixedly sleeved on the middle part of the outer side of the U-shaped round rod (209); the rubber sleeve (208) is located above the U-shaped plate (207), and the bottom of the protective layer (201) is in contact with the rubber sleeve (208).

3. The lightweight corrugated paperboard with a built-in indentation reinforcement structure according to claim 1, characterized in that: Two L-shaped round rods (2011) are symmetrically fixedly connected to the top of the top frame (202); elastic balls (2012) are fixedly mounted on the ends of the two L-shaped round rods (2011) away from the top frame (202); and the two sides of the two guide plates (206) away from each other are respectively fitted with the two elastic balls (2012).

4. The lightweight corrugated paperboard with a built-in indentation reinforcement structure according to claim 1, characterized in that: A top tube (203) is fixedly installed at an equal distance on the top of the facial paper (3), and a bottom column (2015) is fixedly installed at an equal distance on the bottom of the protective layer (201), and each bottom column (2015) is movably sleeved inside each top tube (203).

5. The lightweight corrugated paperboard with a built-in indentation reinforcement structure according to claim 4, characterized in that: A rubber ring (2014) is fixedly mounted on the top of the top cylinder (203), and an outer ring (2016) is fixedly sleeved on the outer side of the bottom column (2015), wherein the outer ring (2016) is located on the top of the rubber ring (2014).

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