Combined lower support paper-plastic structure

Abstract

The invention provides a combined type lower supporting paper-plastic structure. The combined type lower supporting paper-plastic structure comprises four paper-plastic supporting seat structures and four corrugated board strips. The paper-plastic supporting seat structure comprises a lower hollow paper-plastic support, a middle paper-plastic embedding seat and an upper paper-plastic cover seat; the middle paper-plastic embedding seats are correspondingly arranged on the upper surface of the lower hollow paper-plastic support in a covering mode, storage grooves allowing the corrugated board strip to be embedded are formed in the two adjacent sides of the middle paper-plastic embedding seats, and the two sides of the corrugated board strip are embedded between the storage grooves of the two middle paper-plastic embedding seats respectively so that a lower support can be formed in a surrounding mode; the upper paper-plastic cover seat correspondingly covers the upper surface of the middle paper-plastic embedding seat; an embedding groove is formed in the top of an inner cavity of the lower hollow paper-plastic support, and a corrugated paper buffer rod is inserted into the embedding groove in an interference mode. And on the basis of environmental protection, the anti-seismic and buffering effects are good, stacking placement is convenient after forming, and therefore the boxing efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of paper-plastics, and in particular to a combined lower supporting paper-plastics structure. Background Art

[0002] China Authorization Announcement No. CN 215708292 U, the authorization announcement date is February 1, 2022, which discloses a corner protector with an anti-falling function, including a corner protector, a connecting plate and a plastic block, the inner bottom end of the corner protector is fixedly connected to a plastic block, the upper end face of the plastic block is fixedly connected to a double-sided tape, the corner protector and the carton are fixedly connected together by the double-sided tape, and the outer side of the lower end face of the corner protector is fixedly connected to a connecting plate. In the utility model, the corner protector, double-sided tape, first pad and groove are set, so that the corner protector and the carton can be stably connected together during use. Such a setting can effectively prevent the corner protector from falling off the carton during use. At the same time, the first pad and groove are set, so that the cartons equipped with the corner protector can be easily stacked together stably, and at the same time, the carton can be effectively prevented from directly contacting the ground and causing the carton to get damp. It has good stability and is worthy of wide promotion and use. The defects of the prior art are: 1. weak anti-vibration and buffering effect; 2. not environmentally friendly; 3. inconvenient to stack and place after assembly, so that each time it is used, it needs to be assembled with a single carton, resulting in low efficiency of daily assembly and use, and inconvenient for large-scale promotion and application. In view of this situation, it is urgent to improve. Summary of the invention

[0003] Based on this, the purpose of the present invention is to provide a combined lower support paper-plastic structure, which has good anti-seismic and buffering effects on the basis of environmental protection, and is easy to stack and place after molding, thereby improving the packing efficiency.

[0004] The present invention provides a combined lower support paper-plastic structure, comprising a four-paper-plastic support seat structure and four corrugated paperboard strips; the paper-plastic support seat structure comprises a lower hollow paper-plastic support, a middle paper-plastic embedding seat, and an upper paper-plastic cover seat; the middle paper-plastic embedding seat is correspondingly covered on the upper surface of the lower hollow paper-plastic support, and two adjacent sides of the middle paper-plastic embedding seat are formed with storage grooves for the corrugated paperboard strips to be embedded, and the two sides of the corrugated paperboard strips are respectively embedded between the storage grooves of the two middle paper-plastic embedding seats to form a lower support; the upper paper-plastic cover seat is correspondingly covered on the upper surface of the middle paper-plastic embedding seat; the top of the inner cavity of the lower hollow paper-plastic support is formed with an embedding groove, and the embedding groove A corrugated paper buffer rod is inserted in the inner interference fit, the height of the engagement groove is set to N, the inner cavity height of the lower hollow paper plastic support is set to M, the height of the corrugated paper buffer rod is set to B, B≥5N, M>N; when the two sides of the corrugated paper strip are respectively engaged in the storage grooves of the two middle paper plastic engagement seats, the upper surface of the corrugated paper strip and the upper surface of the middle paper plastic engagement seat are in the same horizontal plane; a second engagement convex column is formed on the upper surface of the middle paper plastic engagement seat, and a second engagement convex groove is formed on the upper paper plastic cover seat that is interference fit with the second engagement convex column; the bottom opening shape of the lower hollow paper plastic support corresponds to the second engagement convex groove.

[0005] Preferably, at least one first engaging protrusion is formed on the upper surface of the lower hollow paper-plastic support, and a first engaging groove which is interference-fitted with the first engaging protrusion is formed in the inner cavity of the middle paper-plastic engaging seat.

[0006] Preferably, a plurality of limiting protrusions are formed on a surface of each of the receiving grooves corresponding to the corrugated paperboard strip, and positioning holes for inserting the limiting protrusions are formed on opposite sides of each of the corrugated paperboard strips.

[0007] Preferably, the four side surfaces of the lower hollow paper plastic support are all provided with a draft angle that is larger at the top and smaller at the bottom.

[0008] Preferably, the outer side surface of the lower hollow paper-plastic support is coated with a waterproof layer.

[0009] Preferably, a decorative pattern layer is embossed on the upper surface of the upper paper-plastic cover.

[0010] Preferably, the inner side wall of the lower hollow paper plastic support is circumferentially provided with reinforcing ribs.

[0011] Preferably, the upper surface of the corrugated paperboard strip is formed with an anti-slip surface.

[0012] Preferably, two adjacent side surfaces of the middle paper-plastic fitting seat without the receiving groove are formed with a plurality of anti-slip grooves.

[0013] The beneficial effects of the present invention are as follows: the present structure is composed of four paper-plastic support seat structures and four corrugated paperboard strips, which conforms to the concept of environmental protection. The paper-plastic support seat structure includes a lower hollow paper-plastic support, a middle paper-plastic engaging seat, and an upper paper-plastic cover seat, which has a good anti-seismic buffering effect. After the present structure is assembled and formed, the bottom of the lower hollow paper-plastic support can be inserted into the second engaging convex groove to achieve an engaging connection, thereby ensuring stability during stacking. In order to improve decoration efficiency, the present structure can be assembled in advance and stacked in order for standby use. In addition, the length of the four corrugated paperboard strips can be selected at will, so that the lower supporting paper-plastic structure can be applied to a variety of packaging sizes, with high applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional view (top view) of the present invention.

[0015] Figure 2 It is a three-dimensional view (looking up) of the present invention.

[0016] Figure 3 It is a bottom view of the present invention.

[0017] Figure 4 It is a schematic diagram of the relative structure of the lower hollow paper plastic support and the middle paper plastic embedding seat.

[0018] The accompanying drawings are marked as: corrugated cardboard strip 10, paper-plastic support seat structure 11, second engaging convex groove 12, middle paper-plastic engaging seat 15, upper paper-plastic cover seat 13, second engaging convex column 14, storage groove 16, lower hollow paper-plastic support 17, limiting convex column 18, lower hollow paper-plastic support inner cavity 19, corrugated paper buffer rod 20, engaging groove 21, first engaging convex column 22, first engaging groove 23, positioning hole 24. DETAILED DESCRIPTION

[0019] In order to further understand the features, technical means, specific objectives and functions of the present invention, the present invention is further described in detail below in conjunction with specific implementation methods and drawings.

[0020] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] Please refer to Figure 1-4As shown, the present invention provides a combined lower support paper-plastic structure, including four paper-plastic support seat structures 11 and four corrugated paperboard strips 10; the paper-plastic support seat structure 11 includes a lower hollow paper-plastic support 17, a middle paper-plastic embedding seat 15, and an upper paper-plastic cover seat 13; the middle paper-plastic embedding seat 15 is correspondingly covered on the upper surface of the lower hollow paper-plastic support 17, and the adjacent two sides of the middle paper-plastic embedding seat 15 are formed with storage grooves 16 for the corrugated paperboard strips 10 to be embedded, and the two sides of the corrugated paperboard strips 10 are respectively embedded between the storage grooves 16 of the two middle paper-plastic embedding seats 15 to form a lower support; the upper paper-plastic cover seat 13 is correspondingly covered on the upper surface of the middle paper-plastic embedding seat 15; the top of the inner cavity 19 of the lower hollow paper-plastic support is formed with an embedding groove 21, A corrugated paper buffer rod 20 is inserted in the fitting groove 21 with interference fit, the height of the fitting groove 21 is set to N, the inner cavity height of the lower hollow paper plastic support 17 is set to M, and the height of the corrugated paper buffer rod 20 is set to B, B≥5N, M>N; when the two sides of the corrugated paper strip 10 are respectively fitted in the receiving grooves 16 of the two middle paper plastic fitting seats 15, the upper surface of the corrugated paper strip 10 and the upper surface of the middle paper plastic fitting seat 15 are in the same horizontal plane; the upper surface of the middle paper plastic fitting seat 15 is formed with a second fitting convex column 14, and the upper paper plastic cover seat 13 is formed with a second fitting convex groove 12 that is interference fit with the second fitting convex column 14; the bottom opening shape of the lower hollow paper plastic support 17 corresponds to the second fitting convex groove 12.

[0022] At least one first engaging protrusion 22 is formed on the upper surface of the lower hollow paper-plastic support 17, and a first engaging groove 23 is formed in the inner cavity of the middle paper-plastic engaging seat 15 to be interference-fitted with the first engaging protrusion 22. The first engaging protrusion 22 and the first engaging groove 23 are provided to achieve a fixed connection without binding or gluing, thereby improving the convenience of assembly.

[0023] A plurality of limiting protrusions 18 are formed on a surface of each receiving groove 16 corresponding to the corrugated paperboard strip 10, and positioning holes 24 are formed on opposite sides of each corrugated paperboard strip for inserting the limiting protrusions 18. The cooperation between the limiting protrusions 18 and the positioning holes 24 eliminates the need for binding or gluing, improves assembly convenience, and prevents the corrugated paperboard strip 10 from shifting during use.

[0024] The four sides of the lower hollow paper plastic support 17 are all provided with a draft angle that is larger at the top and smaller at the bottom.

[0025] The outer side surface of the lower hollow paper plastic support 17 is coated with a waterproof layer, so that the outer side surface of the lower hollow paper plastic support 17 has a waterproof function.

[0026] The upper surface of the upper paper-plastic cover seat 13 is embossed with a decorative pattern layer, so that the lower supporting paper-plastic structure has a decorative function.

[0027] The inner wall of the lower hollow paper plastic support 17 is circumferentially provided with reinforcing ribs to further enhance the strength and anti-seismic buffering function of the lower hollow paper plastic support 17 .

[0028] The upper surface of the corrugated paperboard strip 10 is formed with an anti-slip surface to enhance the tightness and stability of the contact between the bottom of the product and the upper surface of the corrugated paperboard strip 10 .

[0029] The adjacent two sides of the middle paper-plastic fitting seat 15 without the receiving groove 16 are formed with a plurality of anti-slip grooves to enhance the friction between the sides of the middle paper-plastic fitting seat 15 and the inner wall of the carton, thereby reducing the probability of displacement of the lower supporting paper-plastic structure.

[0030] In the present invention, it is composed of four paper plastic support seat structures and four corrugated paperboard strips, which conforms to the concept of environmental protection. The paper plastic support seat structure includes a lower hollow paper plastic support, a middle paper plastic engaging seat, and an upper paper plastic cover seat, which has a good anti-seismic buffering effect. After the structure is assembled and formed, the bottom of the lower hollow paper plastic support can be inserted into the second engaging convex groove to achieve engaging connection, thereby ensuring stability during stacking. In order to improve the decoration efficiency, the structure can be assembled in advance and stacked in order for standby; in addition, the length of the four corrugated paperboard strips can be selected at will, so that the lower support paper plastic structure can be applied to a variety of packaging sizes, and the applicability is high; by forming an engaging groove 21 at the top of the inner cavity 19 of the lower hollow paper plastic support, a corrugated paper buffer rod 20 is inserted in the engaging groove 21, and when encountering a strong impact, once the bottom of the lower hollow paper plastic support is severely deformed, in order to reduce damage to the product, the corrugated paper buffer rod 20 continues to provide a buffering support force, thereby further protecting the product from damage caused by severe impact.

[0031] The above-mentioned embodiment only expresses one implementation mode of the present invention, and its description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.

Claims

1. A combined paper-plastic structure, characterized in that: The invention comprises four paper plastic support seat structures (11) and four corrugated paperboard strips (10); the paper plastic support seat structure (11) comprises a lower hollow paper plastic support (17), a middle paper plastic embedding seat (15), and an upper paper plastic cover seat (13); the middle paper plastic embedding seat (15) is correspondingly covered on the upper surface of the lower hollow paper plastic support (17), and two adjacent sides of the middle paper plastic embedding seat (15) are formed with receiving grooves (16) for embedding the corrugated paperboard strips (10), and the two sides of the corrugated paperboard strips (10) are respectively embedded between the receiving grooves (16) of the two middle paper plastic embedding seats (15) to form a lower support; the upper paper plastic cover seat (13) is correspondingly covered on the upper surface of the middle paper plastic embedding seat (15); the top of the inner cavity (19) of the lower hollow paper plastic support is formed with an embedding groove (21), and the embedding groove (21) has an interference fit. A corrugated paper buffer rod (20) is inserted, the height of the engaging groove (21) is set to N, the inner cavity height of the lower hollow paper plastic support (17) is set to M, and the height of the corrugated paper buffer rod (20) is set to B, B≥5N, M>N; when the two sides of the corrugated paper strip (10) are respectively engaged in the storage grooves (16) of the two middle paper plastic engaging seats (15), the upper surface of the corrugated paper strip (10) and the upper surface of the middle paper plastic engaging seat (15) are in the same horizontal plane; the upper surface of the middle paper plastic engaging seat (15) is formed with a second engaging convex column (14), and the upper paper plastic cover seat (13) is formed with a second engaging convex groove (12) which is interference-fitted with the second engaging convex column (14); the bottom opening shape of the lower hollow paper plastic support (17) corresponds to the second engaging convex groove (12).

2. The combined paper-plastic structure according to claim 1, characterized in that: At least one first engaging protrusion (22) is formed on the upper surface of the lower hollow paper-plastic support (17), and a first engaging groove (23) which is interference-fitted with the first engaging protrusion (22) is formed in the inner cavity of the middle paper-plastic engaging seat (15).

3. The combined paper-plastic structure according to claim 1, characterized in that: A plurality of limiting protrusions (18) are formed on a surface of each of the receiving grooves (16) corresponding to the corrugated paperboard strip (10), and positioning holes (24) for inserting the limiting protrusions (18) are formed on opposite sides of each of the corrugated paperboard strips.

4. The combined paper-plastic structure according to claim 1, characterized in that: The four sides of the lower hollow paper plastic support (17) are all provided with a draft angle that is larger at the top and smaller at the bottom.

5. The combined paper-plastic structure according to claim 1, characterized in that: The outer side surface of the lower hollow paper-plastic support (17) is coated with a waterproof layer.

6. The combined paper-plastic structure according to claim 1, characterized in that: The upper surface of the upper paper-plastic cover seat (13) is embossed with a decorative pattern layer.

7. The combined paper-plastic structure according to claim 1, characterized in that: The inner side wall of the lower hollow paper plastic support (17) is circumferentially provided with reinforcing ribs.

8. The combined paper-plastic structure according to claim 1, characterized in that: The upper surface of the corrugated paperboard strip (10) is formed with an anti-slip surface.

9. The combined paper-plastic structure according to claim 1, characterized in that: The adjacent two side surfaces of the middle paper-plastic inserting seat (15) without the receiving groove (16) are both formed with a plurality of anti-slip grooves.

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