Wood-based X-type lattice sandwich structure

Abstract

The utility model relates to the technical field of building materials, and discloses a wood-based X-type dot matrix sandwich structure which comprises an upper panel, a lower panel and an X-type dot matrix core layer, the X-type dot matrix core layer is composed of a plurality of X-type dot matrix structures, the X-type dot matrix structures are symmetrically distributed about the center line of the whole structure, and the X-type dot matrix structures are arranged on the upper panel. A plurality of bayonets are formed in one side of each X-shaped lattice structure, the two vertically-distributed X-shaped lattice structures are oppositely distributed and are mutually embedded and locked through the bayonets, and the X-shaped lattice core layer is bonded with the upper panel and the lower panel through an adhesive; the wood-based X-type dot matrix sandwich structure is formed by matching the X-type dot matrix core layer composed of the X-type dot matrix structures with the upper panel and the lower panel, the gap space of the dot matrix sandwich structure is reserved to the maximum extent, wood resources are saved, the wood use amount is reduced, the X-type dot matrix core layer composed of the integrated X-type dot matrix structures is high in strength and easy to assemble, and the wood-based X-type dot matrix sandwich structure has the advantages of being simple in structure and convenient to use. The weight is light, and the construction industry is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of building materials, in particular to a wood-based X-shaped lattice sandwich structure. Background Art

[0002] The lattice sandwich structure is a new type of structure with great potential. It saves resources, is light and has high strength. The general lattice sandwich structure includes straight column lattice, oblique column lattice, pyramid lattice and tetrahedron lattice, etc. The arrangement and combination of the core layer rods largely determines the purpose and performance of the lattice sandwich structure.

[0003] The prior art, such as the patent with publication number CN205668423U, discloses an X-shaped wooden engineering material lattice sandwich structure with mortise and tenon joints, the wooden engineering material lattice sandwich structure includes an upper panel, a connector, a core layer structure and a lower panel, characterized in that: the wooden sticks are slotted in the middle, and they fit together to form an X-shaped basic element, the basic element is periodically distributed in the core layer according to a reasonable unit specification design, the end of the lattice column is mortised and glued to the connector, and the connector is glued to the upper and lower panels by adhesive. The utility model has a reasonable structure, high strength-to-weight ratio, is easy to manufacture, and is green and environmentally friendly, and can be widely used in the fields of construction engineering and furniture manufacturing.

[0004] The existing technology still has shortcomings:

[0005] The wood-based X-shaped lattice sandwich structure in the above-mentioned prior art adopts the lattice columns in the core layer to be cross-riveted at right angles, and is installed with the upper panel and the lower panel in conjunction with the connecting parts. However, in actual use, the number of lattice columns is large, the assembly is cumbersome, the strength is low, more wood is used, and the overall weight will also be heavy, which is not conducive to use in the construction industry. For this reason, a wood-based X-shaped lattice sandwich structure is proposed. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a wood-based X-shaped lattice sandwich structure, which is easy to assemble, has high strength and light weight, and is convenient for use in the construction industry.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wood-based X-shaped lattice sandwich structure, the wood-based X-shaped lattice sandwich structure includes an upper panel, a lower panel and an X-shaped lattice core layer, the X-shaped lattice core layer is composed of multiple X-shaped lattice structures, the X-shaped lattice structures are symmetrically distributed about the center line of the overall structure, one side of the X-shaped lattice structure is provided with multiple bayonet holes, two vertically distributed X-shaped lattice structures are oppositely distributed and interlocked with each other by means of the bayonet holes, the X-shaped lattice core layer is respectively bonded to the upper panel and the lower panel by means of an adhesive, the X-shaped lattice core layer is located between the upper panel and the lower panel, and the edges of the upper panel and the lower panel are all level.

[0008] Preferably, the adjacent surfaces of the upper panel and the lower panel are provided with a plurality of slots, the upper surface and the bottom surface of the X-shaped lattice core layer are movably plugged with the slots on the upper panel and the lower panel, and the slots are matched with the X-shaped lattice core layer.

[0009] Preferably, a plurality of first plug holes are formed through the narrow end surface of the X-shaped lattice structure close to the bayonet, a plurality of second plug holes are formed through the long end side wall of the X-shaped lattice structure away from the bayonet, and rods are inserted into adjacent first and second plug holes on two vertically distributed X-shaped lattice structures.

[0010] Preferably, the distance between a first plugging hole located at the end of the X-shaped lattice structure and an adjacent first plugging hole is greater than the length of the plugging rod.

[0011] Preferably, the upper panel, the X-shaped lattice core layer and the lower panel are all made by laser cutting.

[0012] Preferably, the upper panel, the X-shaped lattice core layer, the lower panel and the insertion rods are all made of wood material.

[0013] Preferably, the upper panel and the lower panel are filled with functional materials.

[0014] Preferably, the length and width of the X-shaped lattice core layer are consistent with those of the upper panel and the lower panel.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The wood-based X-shaped lattice sandwich structure of the utility model is composed of an X-shaped lattice core layer composed of multiple X-shaped lattice structures, an upper panel and a lower panel, which retains the void space of the lattice sandwich structure to the maximum extent, saves wood resources and reduces the amount of wood used. The X-shaped lattice core layer composed of an integrated X-shaped lattice structure has high strength, simple assembly, and light weight, which is conducive to use in the construction industry.

[0017] 2. The multiple X-shaped lattice structures in the utility model are fixed by the insertion rod in conjunction with the first insertion hole and the second insertion hole, and the fixation is convenient and stable.

[0018] 3. The utility model provides card slots on the upper panel and the lower panel, and the card slots can be used to position multiple X-shaped lattice core layers, and the contact surface is increased, which is more firm when fixed with adhesive.

[0019] 4. The X-shaped lattice core layer, the upper panel and the lower panel in the utility model are all made by CNC cutting method, with high dimensional accuracy, relatively easy operation process and convenient production.

[0020] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 It is an exploded schematic diagram of the overall structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the X-shaped lattice core structure of the utility model;

[0024] Figure 4 This is a schematic diagram of the interlocking structure of two X-shaped lattice structures of the utility model;

[0025] Figure 5 It is a structural schematic diagram of the X-shaped lattice structure and the insertion rod of the utility model.

[0026] In the figure: 1. upper panel; 2. lower panel; 3. X-shaped lattice core layer; 4. slot; 5. X-shaped lattice structure; 6. bayonet; 7. first plug hole; 8. second plug hole; 9. plug rod. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this technical field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-5 The wood-based X-shaped lattice sandwich structure of this embodiment includes an upper panel 1, a lower panel 2 and an X-shaped lattice core layer 3. The X-shaped lattice core layer 3 is composed of a plurality of X-shaped lattice structures 5. The X-shaped lattice structures 5 are symmetrically distributed about the center line of the overall structure. A plurality of bayonet holes 6 are provided on one side of the X-shaped lattice structure 5. The two vertically distributed X-shaped lattice structures 5 are oppositely distributed and interlocked with each other using the bayonet holes 6. The X-shaped lattice core layer 3 is bonded to the upper panel 1 and the lower panel 2 respectively by adhesive. The X-shaped lattice core layer 3 is located between the upper panel 1 and the lower panel 2. The edges of the upper panel 1 and the lower panel 2 are all flat.

[0029] like Figure 1-5As shown, the wood-based X-shaped lattice sandwich structure in the utility model is similar to the existing wood-based X-shaped lattice sandwich structure, such as the X-shaped wood engineering material lattice sandwich structure with mortise and tenon joints disclosed in the patent with publication number CN205668423U. The main improvement of the utility model is that it is easy to assemble, and it has high strength and light weight, which is convenient for use in the construction industry. When the wood-based X-shaped lattice sandwich structure needs to be assembled, the bayonet 6 on the horizontal X-shaped lattice structure 5 and the vertical X-shaped lattice structure 5 are oriented in opposite directions, and the bayonet 6 on the horizontal X-shaped lattice structure 5 is sleeved on the vertical X-shaped lattice structure 5, and the bayonet 6 on the vertical X-shaped lattice structure 5 is sleeved on the horizontal X-shaped lattice structure 5, and the horizontal X-shaped lattice structure 5 and the vertical X-shaped lattice structure 5 are connected. They are interlocked with each other through the bayonet 6, and so on, and are assembled in an up and down vertical staggered manner to form an X-shaped lattice core layer 3, and adhesive is applied to the upper surface and bottom surface of the X-shaped lattice core layer 3. The adhesive is composed of epoxy resin and curing agent configured in a ratio of 4:1. The upper panel 1 and the lower panel 2 are respectively placed on the upper surface and bottom surface of the X-shaped lattice core layer 3 and bonded with the adhesive. The edges of the upper panel 1 and the lower panel 2 need to be aligned. The upper panel 1 and the lower panel 2 are both plywood, so that the upper panel 1 and the lower panel 2 have good interface compatibility with the X-shaped lattice core layer 3, and the void space of the lattice sandwich structure is retained to the maximum extent, saving wood resources and reducing wood usage. The X-shaped lattice core layer 3 composed of an integrated X-shaped lattice structure 5 has high strength, simple assembly, and light weight, which is conducive to use in the construction industry.

[0030] like Figure 2 As shown, the adjacent surfaces of the upper panel 1 and the lower panel 2 are provided with a plurality of slots 4, the upper surface and the bottom surface of the X-type lattice core layer 3 are movably plugged into the slots 4 on the upper panel 1 and the lower panel 2, and the slots 4 are matched with the X-type lattice core layer 3; after the X-type lattice core layer 3 is assembled, adhesive is applied to the upper surface and the bottom surface of the X-type lattice core layer 3, and adhesive is applied to the slots 4 on the upper panel 1 and the lower panel 2, and then the slots 4 on the upper panel 1 and the lower panel 2 are respectively covered on the upper surface and the bottom surface of the X-type lattice core layer 3, and the slots 4 can position the X-type lattice core layer 3, and increase the contact surface between the X-type lattice core layer 3 and the upper panel 1 and the lower panel 2, thereby improving the firmness of the installation.

[0031] like Figure 3-5As shown, a plurality of first plug holes 7 are penetrated through the narrow end face of the X-shaped lattice structure 5 close to the bayonet 6, a plurality of second plug holes 8 are penetrated through the long end side wall of the X-shaped lattice structure 5 away from the bayonet 6, and an insertion rod 9 is inserted into the adjacent first plug holes 7 and second plug holes 8 on two vertically distributed X-shaped lattice structures 5; after the multiple X-shaped lattice structures 5 are assembled into the X-shaped lattice core layer 3, the first plug holes 7 and the second plug holes 8 on the horizontally placed X-shaped lattice structure 5 are respectively aligned with the second plug holes 8 and the first plug holes 7 on the vertically placed X-shaped lattice structure 5, and at this time, the insertion rod 9 is used to insert into the connected and adjacent first plug holes 7 and second plug holes 8, so as to realize the restriction and fixation of the multiple X-shaped lattice structures 5 and improve the strength and stability of the X-shaped lattice core layer 3.

[0032] like Figure 4 , 5 As shown, the spacing between the first socket 7 located at the end of the X-shaped lattice structure 5 and the adjacent first socket 7 is greater than the length of the insertion rod 9; the insertion rod 9 can be inserted into the first socket 7 and the second socket 8 from the V-shaped opening on the X-shaped lattice structure 5, without having to be inserted from the end of the X-shaped lattice structure 5, which is convenient for installation.

[0033] like Figure 1-5 As shown, the upper panel 1, the X-shaped lattice core layer 3 and the lower panel 2 are all made by laser cutting; the upper panel 1, the X-shaped lattice core layer 3 and the lower panel 2 produced by the laser cutting method have high dimensional accuracy, and the operation process is relatively easy, which is convenient for production.

[0034] like Figure 1-5 As shown, the upper panel 1, the X-shaped lattice core layer 3, the lower panel 2 and the insertion rod 9 are all made of wood material; the wood-based X-shaped lattice sandwich structure is composed of pure wood material, which is easy to obtain and convenient to combine with each other.

[0035] like Figure 1 As shown, the upper panel 1 and the lower panel 2 are filled with functional materials; the functional materials are not shown in the figure, and the functional materials can be such as sound-absorbing materials, flame-retardant materials, etc. to enrich the functions of the lattice sandwich structure.

[0036] like Figure 1 , 2 As shown, the length and width of the X-shaped lattice core layer 3 are consistent with those of the upper panel 1 and the lower panel 2; so that the X-shaped lattice core layer 3 can provide more complete support for the upper panel 1 and the lower panel 2 to maintain strength.

[0037] The implementation steps in this embodiment are as follows: when the wood-based X-shaped lattice sandwich structure needs to be assembled, the bayonet 6 on the horizontal X-shaped lattice structure 5 and the vertical X-shaped lattice structure 5 are oriented in opposite directions, and the bayonet 6 on the horizontal X-shaped lattice structure 5 is sleeved on the vertical X-shaped lattice structure 5, and the bayonet 6 on the vertical X-shaped lattice structure 5 is sleeved on the horizontal X-shaped lattice structure 5. The horizontal X-shaped lattice structure 5 and the vertical X-shaped lattice structure 5 are interlocked with each other through the bayonet 6, and so on, in an up-and-down vertical staggered manner, the X-shaped lattice core layer 3 is assembled. At this time, the first plug hole 7 and the second plug hole 8 on the horizontal X-shaped lattice structure 5 are respectively aligned with the second plug hole 8 and the first plug hole 8 on the vertical X-shaped lattice structure 5. The holes 7 are aligned, and then the rod 9 is inserted from the V-shaped opening on the X-shaped lattice structure 5 into the connected and adjacent first and second jacks 7 and 8 to achieve the restriction and fixation of multiple X-shaped lattice structures 5, and adhesive is applied to the upper surface and bottom surface of the X-shaped lattice core layer 3, and adhesive is applied to the slots 4 on the upper panel 1 and the lower panel 2, and the upper panel 1 and the lower panel 2 are placed on the upper surface and bottom surface of the X-shaped lattice core layer 3 respectively and bonded with adhesive, and then the slots 4 on the upper panel 1 and the lower panel 2 are respectively covered on the upper surface and bottom surface of the X-shaped lattice core layer 3, and the slots 4 can position the X-shaped lattice core layer 3 and increase the contact surface between the X-shaped lattice core layer 3 and the upper panel 1 and the lower panel 2, and the components are left to stand until the adhesive solidifies.

[0038] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A wood-based X-shaped lattice sandwich structure, characterized in that: The wood-based X-shaped lattice sandwich structure comprises an upper panel (1), a lower panel (2) and an X-shaped lattice core layer (3). The X-shaped lattice core layer (3) is composed of a plurality of X-shaped lattice structures (5). The X-shaped lattice structures (5) are symmetrically distributed about the center line of the overall structure. A plurality of bayonet holes (6) are provided on one side of the X-shaped lattice structure (5). Two vertically distributed X-shaped lattice structures (5) are oppositely distributed and interlocked with each other using the bayonet holes (6). The X-shaped lattice core layer (3) is bonded to the upper panel (1) and the lower panel (2) respectively by adhesive. The X-shaped lattice core layer (3) is located between the upper panel (1) and the lower panel (2). The edges of the upper panel (1) and the lower panel (2) are all level.

2. A wood-based X-shaped lattice sandwich structure according to claim 1, characterized in that: A plurality of slots (4) are provided on adjacent surfaces of the upper panel (1) and the lower panel (2); the upper surface and the bottom surface of the X-shaped lattice core layer (3) are movably plugged into the slots (4) on the upper panel (1) and the lower panel (2); and the slots (4) are matched with the X-shaped lattice core layer (3).

3. The wood-based X-shaped lattice sandwich structure according to claim 1, characterized in that: A plurality of first insertion holes (7) are formed through the narrow end surface of the X-shaped lattice structure (5) close to the bayonet (6), a plurality of second insertion holes (8) are formed through the long end side wall of the X-shaped lattice structure (5) away from the bayonet (6), and insertion rods (9) are inserted into adjacent first insertion holes (7) and second insertion holes (8) on two vertically distributed X-shaped lattice structures (5).

4. A wood-based X-shaped lattice sandwich structure according to claim 3, characterized in that: The distance between the first insertion holes (7) located at the end of the X-shaped lattice structure (5) and the adjacent first insertion holes (7) is greater than the length of the insertion rod (9).

5. The wood-based X-shaped lattice sandwich structure according to claim 1, characterized in that: The upper panel (1), the X-shaped lattice core layer (3) and the lower panel (2) are all manufactured by laser cutting.

6. The wood-based X-shaped lattice sandwich structure according to claim 1, characterized in that: The upper panel (1), the X-shaped lattice core layer (3), the lower panel (2) and the insertion rod (9) are all made of wood material.

7. The wood-based X-shaped lattice sandwich structure according to claim 1, characterized in that: The upper panel (1) and the lower panel (2) are filled with functional materials.

8. The wood-based X-shaped lattice sandwich structure according to claim 1, characterized in that: The length and width of the X-shaped lattice core layer (3) are consistent with those of the upper panel (1) and the lower panel (2).

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