A snap-on paper tray

Abstract

The utility model relates to a clamping type paper tray. It includes the support plate and a plurality of bearing legs, the support plate is constituted by the board core and the board core surface paper, the bottom surface of support plate is equipped with the positioning clamping slot, the leg core is the cuboid structure, the upper surface is pasted with the support plate bottom surface, still be connected with the rib plate between arbitrary two adjacent bearing legs, the rib plate is constituted by the rib plate core and the rib plate surface paper, the upside of rib plate core both ends still is provided with the positioning block, the positioning block is inserted with the positioning clamping slot and is fixed, the upper surface of leg core still is provided with the insertion slot with the end of rib plate and forms the insertion cooperation, the rib plate with the support plate bottom surface also is pasted with setting. The utility model connects the rib plate between the adjacent bearing legs, strengthens the compression strength of support plate through the rib plate, reduces the probability of local deformation of support plate, simplifies the assembly difficulty of component, improves the firmness after assembly.

Description

Technical Field

[0001] This utility model relates to a paper tray, and more particularly to a snap-fit ​​paper tray. Background Technology

[0002] Pallets are a common auxiliary tool in cargo transportation. A typical pallet is made of several interlocking wooden strips nailed together. The top serves as the support surface for placing goods, while feet underneath elevate the surface to prevent stored goods from getting too close to the ground and becoming damp, or to facilitate handling. When pallets need to be moved, the support frame of a forklift extends directly into the bottom of the pallet, lifting the entire pallet and stacking it in a suitable location, such as after unloading from a container, directly in the warehouse storage area.

[0003] Common wooden pallets are heavy and difficult to move, so many other materials have been added to the market. Paper pallets are mainly made from recycled paper. Their advantages include being lightweight, recyclable, environmentally friendly, and having a lower production cost compared to pallets made from other materials.

[0004] However, the existing paper pallet (also called paper tray) production process is relatively complex and requires manual production. Its service life is short and its load-bearing strength is weak, which limits the load-bearing capacity and makes it impossible to maintain continuous mass production. Summary of the Invention

[0005] This invention provides a snap-fit ​​paper tray, which solves the problems of limited load-bearing capacity and low production efficiency in the prior art.

[0006] The above-mentioned technical problems of this utility model are mainly solved by the following technical solution: a snap-fit ​​paper tray, including a support plate and several load-bearing legs fixed to the bottom of the support plate. The support plate is composed of a core and a core sheet. The bottom surface of the support plate is provided with several positioning grooves that penetrate the core sheet and extend into the core. The load-bearing legs are composed of leg cores and leg core sheets. The leg core is a cuboid structure, and its upper surface is in contact with the bottom surface of the support plate. A rib is connected between any two adjacent load-bearing legs. The rib is composed of a rib core and a rib sheet. Positioning blocks are also protruding from the upper sides of both ends of the rib core. The positioning blocks are inserted and fixed with the positioning grooves. The upper surface of the leg core is also provided with an insertion groove that forms an insertion fit with the end of the rib. The rib is also in contact with the bottom surface of the support plate.

[0007] The support plate of this invention is used to directly support goods. However, not all support plates have load-bearing legs at their bottom, and the unsupported parts have low compressive strength. Therefore, to solve this problem, this invention connects ribs between adjacent load-bearing legs to strengthen the compressive strength of the support plate and reduce the probability of local deformation. Furthermore, the ribs of this invention are connected to the load-bearing legs via a plug-in connection, achieving a plug-in and pull-out positioning connection with the support plate. Finally, adhesive is applied to the plug-in joints for complete fixation.

[0008] The outer paper of the board core, the outer paper of the leg core, and the outer paper of the rib core wrap around the outside of the board core, leg core, and rib core, serving to protect, waterproof, and constrain the compactness of the internal paper core, preventing the internal paper cores from separating. The tighter the paper core, the better the structural strength.

[0009] Furthermore, the core board is composed of several first corrugated cardboards stacked horizontally, with the corrugation directions of adjacent first corrugated cardboards perpendicular to each other; the leg core is composed of several second corrugated cardboards stacked vertically, with the corrugation directions of the second corrugated cardboards being vertically arranged; the rib core is composed of several third corrugated cardboards stacked vertically, with the corrugation directions of the third corrugated cardboards being horizontally arranged. The compressive / tensile strength of corrugated cardboard varies considerably in all directions, with the optimal compressive / tensile strength along the length of the corrugations. In this invention, when the core board is compressed, the area supported at the bottom mainly experiences downward pressure, while the suspended area at the bottom mainly experiences tensile stress. Therefore, to ensure uniform tensile performance in all directions, the corrugation directions of the first corrugated cardboards are intentionally made to be perpendicular to each other; the leg core mainly bears downward pressure, hence the corrugation direction of the second corrugated cardboard is vertically arranged; the rib core mainly bears tensile stress and downward pressure, hence the corrugation direction of the third corrugated cardboard is horizontally arranged, and the third corrugated cardboard is vertically arranged.

[0010] Furthermore, a U-shaped groove support is also attached to the inner wall of the insertion groove. The U-shaped groove support can increase the contact area with the insertion groove, which helps to disperse pressure and avoid local stress concentration that could lead to local collapse of the corrugated paper, thus protecting the insertion groove.

[0011] Therefore, this utility model has the following characteristics compared with the prior art: 1. This utility model strengthens the compressive strength of the support plate and reduces the probability of local deformation of the support plate by connecting ribs between adjacent load-bearing legs; 2. The ribs of this utility model are connected to the load-bearing legs by plugging in, and are also connected to the support plate by plugging in and plugging in. Then, glue is applied to the plugging part to achieve complete fixation, which helps to simplify the assembly difficulty of the parts and improve the firmness after assembly. Attached Figure Description

[0012] Appendix Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Appendix Figure 2 It is attached Figure 1 Enlarged view of part A;

[0014] Appendix Figure 3 This is a structural diagram of the load-bearing leg;

[0015] Appendix Figure 4 This is a partial structural diagram of the support plate;

[0016] Appendix Figure 5 This is a schematic diagram of the rib plate structure. Detailed Implementation

[0017] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0018] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0019] Example 1: See Figure 1 A snap-fit ​​paper pallet includes a support plate 100 and nine load-bearing legs 200 fixed to the bottom of the support plate. The support plate is composed of a core plate 110 and a core plate outer sheet 120 (see [reference]). Figure 4 The bottom surface of the support plate has 24 positioning slots 130 that penetrate the core sheet and extend into the core; the load-bearing legs are composed of leg cores 210 and leg core sheets 220 (see...). Figure 3 The leg core has a rectangular structure, with its upper surface fitting against the bottom surface of the support plate. Ribs 300 are also connected between any two adjacent load-bearing legs (see...). Figure 2 There are a total of 12 ribs, and each rib consists of a rib core 310 and a rib sheet 320 (see...). Figure 5 The upper sides of both ends of the rib core are also provided with positioning blocks 330, which are fixed by insertion with positioning slots. The upper surface of the leg core is also provided with insertion slots 230 that form an insertion fit with the end of the rib. The rib and the bottom surface of the support plate are also fitted together.

[0020] In this embodiment, the support plate is used to directly support goods. However, not all support plates have load-bearing legs at their bottom, resulting in low compressive strength in unsupported areas. To address this issue, this embodiment connects ribs between adjacent load-bearing legs to enhance the support plate's compressive strength and reduce the probability of localized deformation. Furthermore, the ribs in this embodiment are connected to the load-bearing legs via a plug-in connection, achieving a snap-fit ​​positioning connection with the support plate. Finally, adhesive is applied to the plug-in joints for complete fixation.

[0021] The outer linerboard, leg core, and rib core are wrapped around the outside of the core, leg core, and rib core, serving to protect them, waterproof them, and constrain the internal paper core to prevent separation. The tighter the paper core, the better the structural strength. The outer linerboard is made of kraft paper and has a film on one side to enhance waterproofing.

[0022] See Figure 4 The core board is composed of several first corrugated cardboard 10s stacked horizontally, and the corrugation directions of adjacent first corrugated cardboards are perpendicular to each other; see Figure 3 The leg core is composed of several vertically stacked second corrugated cardboard pieces 20, the corrugations of which are arranged vertically; see Figure 5 The ribbed core is composed of several vertically stacked third corrugated cardboard pieces 30, with the corrugations of the third corrugated cardboard pieces arranged horizontally. The compressive and tensile strengths of the corrugated cardboard pieces vary considerably in all directions, with the best compressive and tensile strength along the length of the corrugations. In this embodiment, when the core is compressed, the area supported at the bottom mainly experiences downward pressure, while the suspended area at the bottom mainly experiences tensile stress. Therefore, to ensure uniform tensile performance in all directions, the corrugations of the first corrugated cardboard pieces are intentionally arranged perpendicularly to each other. The leg core mainly bears downward pressure, hence the corrugation of the second corrugated cardboard pieces is arranged vertically. The ribbed core mainly experiences tensile stress and downward pressure, hence the corrugation of the third corrugated cardboard pieces is arranged horizontally, and the third corrugated cardboard pieces are arranged vertically.

[0023] See Figure 3 The inner wall of the insertion slot is also fitted with a U-shaped groove support 40. The U-shaped groove support can increase the contact area with the insertion slot, which helps to distribute pressure and avoid local stress concentration that could lead to local collapse of the corrugated paper, thus protecting the insertion slot.

[0024] Specifically, the number of sheets in the first corrugated cardboard is between 4 and 8, the number of sheets in the third corrugated cardboard is between 10 and 20, and the number of sheets in the fourth corrugated cardboard is between 4 and 8; the length of the ribs is between 15 and 30 centimeters.

[0025] This invention can be modified in many ways, as will be apparent to those skilled in the art, and such modifications are not considered to depart from the scope of this invention. All such modifications that are obvious to those skilled in the art are included within the scope of these claims.

Claims

1. A snap-fit ​​paper pallet, comprising a support plate and a plurality of load-bearing legs fixed to the bottom of the support plate, characterized in that: The support plate is composed of a core and a core sheet. The bottom surface of the support plate has several positioning grooves that penetrate the core sheet and extend into the core. The load-bearing leg is composed of a leg core and a leg core sheet. The leg core has a cuboid structure, and its upper surface is in contact with the bottom surface of the support plate. A rib plate is connected between any two adjacent load-bearing legs. The rib plate is composed of a rib plate core and a rib plate sheet. Positioning blocks are also protruding from the upper sides of both ends of the rib plate core. The positioning blocks are inserted and fixed with the positioning grooves. The upper surface of the leg core is also provided with an insertion groove that forms an insertion fit with the end of the rib plate. The rib plate is also in contact with the bottom surface of the support plate.

2. The snap-fit ​​paper tray according to claim 1, characterized in that: The core board is composed of several first corrugated cardboards stacked horizontally, and the corrugation distribution directions of adjacent first corrugated cardboards are perpendicular to each other; the leg core is composed of several second corrugated cardboards stacked vertically, and the corrugation distribution direction of the second corrugated cardboards is vertical; the rib core is composed of several third corrugated cardboards stacked vertically, and the corrugation distribution direction of the third corrugated cardboards is horizontal.

3. The snap-fit ​​paper tray according to claim 1, characterized in that: A U-shaped groove support is also attached to the inner wall of the insertion slot.

4. The snap-fit ​​paper tray according to claim 2, characterized in that: The number of sheets of the first corrugated cardboard is between 4 and 8, the number of sheets of the third corrugated cardboard is between 10 and 20, and the number of sheets of the third corrugated cardboard is between 4 and 8.

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