Negative Poisson's ratio buffer tray

Abstract

The utility model relates to a negative Poisson's ratio buffering tray which comprises a tray top plate, buffering units are arranged at the four corners of the upper edge, the lower edge, the left edge and the right edge of the tray top plate, each buffering unit comprises a wood board layer, a buffering layer and a wood board layer, and the buffering units on the lower surface of the upper edge are connected and fixed through first fixing plates. The buffer units on the lower surface of the lower edge are fixedly connected through a second fixing plate, the buffer units on the lower surface of the left edge are fixedly connected through a third fixing plate, and the buffer units on the lower surface of the right edge are fixedly connected through a fourth fixing plate. The buffering effect and the vibration and aging resistance of the buffering device are obviously superior; the structure is simple, use is convenient, the anti-aging and anti-deformation capacity is high, and the impact resistance and the damping performance are higher than those of traditional materials; static load deformation is effectively reduced, and operation and carrying of the buffer tray are facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of packaging and transportation, and particularly relates to a negative Poisson's ratio buffer tray. Background Art

[0002] In the packaging and transportation industry, trays are essential turnover appliances. However, it often happens that due to the poor performance of buffer trays and ineffective buffering, the products carried are malfunctioned or damaged.

[0003] Currently, the commonly used buffer trays in the industry are EPE or EPS buffer trays, which have certain impact resistance and shock absorption performance. However, during transportation, these trays are prone to deformation and aging, and their shock absorption and impact resistance performance will also decline, greatly reducing the protection performance for products. Usually, they are for single use and it is very difficult to achieve turnover use. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a negative Poisson's ratio buffer tray, which has strong anti-aging and deformation resistance capabilities, and stronger impact resistance and shock absorption performance than traditional materials; it can effectively reduce the static load deformation amount, which is beneficial to the operation and handling of the buffer tray.

[0005] The utility model solves its technical problems through the following technical solutions:

[0006] A negative Poisson's ratio buffer tray includes a tray top board. Buffer units are arranged at the four corners of the upper side, lower side, left side, and right side of the tray top board. The buffer unit includes a wood board layer, a buffer layer, and a wood board layer. The buffer units on the lower surface of the upper side are connected and fixed by a first fixing board, the buffer units on the lower surface of the lower side are connected and fixed by a second fixing board, the buffer units on the lower surface of the left side are connected and fixed by a third fixing board, and the buffer units on the lower surface of the right side are connected and fixed by a fourth fixing board.

[0007] Moreover, buffer units are arranged in the middle of the first fixing board, the second fixing board, the third fixing board, and the fourth fixing board, and forklift holes are formed between the buffer units of the first fixing board, the second fixing board, the third fixing board, and the fourth fixing board.

[0008] Moreover, the buffer unit is a wood board layer, a buffer layer, and a wood board layer arranged in sequence from top to bottom.

[0009] Moreover, the buffer unit is a wood board layer, a buffer layer, a wood board layer, a buffer layer, and a wood board layer arranged in sequence from top to bottom.

[0010] Moreover, the buffer unit is a wood board layer, a buffer layer, a wood board layer, a buffer layer, a wood board layer, a buffer layer, and a wood board layer arranged in sequence from top to bottom.

[0011] Moreover, the buffer layer of the buffer unit is made of a material with a negative Poisson's ratio.

[0012] The advantages and beneficial effects of the present utility model are as follows:

[0013] 1. The buffer tray with a negative Poisson's ratio of the present utility model has obvious advantages in buffer effect and anti-vibration aging performance.

[0014] 2. The buffer tray with a negative Poisson's ratio of the present utility model has a simple structure, is easy to use, has strong anti-aging and deformation resistance, and has stronger anti-impact and shock absorption performance than traditional materials; it effectively reduces the static load deformation amount, which is beneficial to the operation and handling of the buffer tray. Description of the Drawings

[0015] Figure 1 It is a schematic structural view of the single-layer buffer layer of the present utility model;

[0016] Figure 2 It is a schematic structural view of the double-layer buffer layer of the present utility model;

[0017] Figure 3 It is a schematic structural view of the triple-layer buffer layer of the present utility model;

[0018] Figure 4 is Figure 1 The enlarged view of part A of

[0019] Description of the Reference Numerals in the Drawings

[0020] 1 - Tray top plate, 2 - Buffer unit, 3 - First fixing plate, 4 - Second fixing plate, 5 - Third fixing plate, 6 - Fourth fixing plate, 7 - Wood layer, 8 - Buffer layer, 9 - Forklift hole. Detailed Description of the Preferred Embodiment

[0021] The present utility model will be further described in detail below through specific embodiments. The following embodiments are only descriptive and not restrictive, and the protection scope of the present utility model cannot be limited thereby.

[0022] A buffer tray with a negative Poisson's ratio, the innovation of which lies in: including a tray top plate 1, buffer units 2 are provided at the four corners of the upper side, lower side, left side and right side of the tray top plate. The buffer unit includes a wood layer 7, a buffer layer 8 and a wood layer. The buffer units on the lower surface of the upper side are fixedly connected by a first fixing plate 3, the buffer units on the lower surface of the lower side are fixedly connected by a second fixing plate 4, the buffer units on the lower surface of the left side are fixedly connected by a third fixing plate 5, and the buffer units on the lower surface of the right side are fixedly connected by a fourth fixing plate 6.

[0023] The buffer units are arranged in the middle of the first fixing plate, the second fixing plate, the third fixing plate and the fourth fixing plate, and a forklift hole 9 is formed between the buffer units of the first fixing plate, the second fixing plate, the third fixing plate and the fourth fixing plate.

[0024] The buffer layer of the buffer unit can be arranged in 1, 2 or 3 layers, respectively:

[0025] A wood board layer, a buffer layer and a wood board layer arranged successively from top to bottom.

[0026] A wood board layer, a buffer layer, a wood board layer, a buffer layer and a wood board layer arranged successively from top to bottom.

[0027] A wood board layer, a buffer layer, a wood board layer, a buffer layer, a wood board layer, a buffer layer and a wood board layer arranged successively from top to bottom.

[0028] The buffer layer of the buffer unit is made of a material with a negative Poisson's ratio.

[0029] Through multiple groups of control tests, vibration tests and rotational drop tests are carried out using different buffer trays, and it is obtained that the buffer tray with a negative Poisson's ratio of the present utility model has obvious advantages in buffer effect and anti-vibration aging performance; it has a simple structure, is convenient to use, has strong anti-aging and deformation resistance, and has stronger anti-impact and shock absorption performance than traditional materials; it effectively reduces the static load deformation amount, which is beneficial to the operation and handling of the buffer tray.

[0030] Although the embodiments and drawings of the present utility model are disclosed for illustrative purposes, those skilled in the art can understand that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the present utility model and the appended claims. Therefore, the scope of the present utility model is not limited to the content disclosed in the embodiments and drawings.

Claims

1. A negative Poisson's ratio buffer tray, characterized in that: It includes a tray top plate, and buffer units are provided at the four corners of the upper side, lower side, left side, and right side of the tray top plate. The buffer unit includes a wooden board layer, a buffer layer, and a wooden board layer. The buffer units on the lower surface of the upper side are fixedly connected by a first fixing plate. The buffer units on the lower surface of the lower side are fixedly connected by a second fixing plate. The buffer units on the lower surface of the left side are fixedly connected by a third fixing plate. The buffer units on the lower surface of the right side are fixedly connected by a fourth fixing plate.

2. The negative Poisson's ratio buffer tray according to claim 1, wherein: Buffer units are provided in the middle of the first fixing plate, the second fixing plate, the third fixing plate, and the fourth fixing plate, and a forklift hole is formed between the buffer units of the first fixing plate, the second fixing plate, the third fixing plate, and the fourth fixing plate.

3. The negative Poisson's ratio buffer tray according to claim 1, characterized in that: The buffer unit is a wooden board layer, a buffer layer, and a wooden board layer arranged in sequence from top to bottom.

4. The negative Poisson's ratio buffer tray according to claim 1, wherein: The buffer unit is a wooden board layer, a buffer layer, a wooden board layer, a buffer layer, and a wooden board layer arranged in sequence from top to bottom.

5. The negative Poisson's ratio buffer tray according to claim 1, characterized in that: The buffer unit is a wooden board layer, a buffer layer, a wooden board layer, a buffer layer, a wooden board layer, a buffer layer, and a wooden board layer arranged in sequence from top to bottom.

6. The negative Poisson's ratio buffer tray according to claim 1, characterized in that: The buffer layer of the buffer unit is made of a material with a negative Poisson's ratio.

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