CN210113049U - Multi-level plywood of tooth joint - Google Patents

Abstract

The utility model discloses a many multilayer plywood of toothing, including top layer, concave head band, plush copper band, central authorities spread the layer, the side is spread the layer one, the side is spread into two, is spread the layer texture, bottom plate, the spacing hole of axial, the spacing hole of circumference, concave joint, convex joint and bottom layer. The utility model has the advantages that: the upper berth layer texture on the upper berth layer surface is in a vertical state with the lower layer texture of the lower berth layer surface, bending resistance and torsion resistance of the plywood are improved, the service life of the plywood is prolonged, the upper end and the lower end of a central paving layer are glued with a side paving layer, the left side and the right side of the central paving layer are glued with a side paving layer, thick solid wood is adopted for a middle sample paving layer, the stress capacity of the plywood is improved, axial limiting holes and circumferential limiting holes are drilled through drill bits in the axial direction and the circumferential direction of a female connector and a male connector, the diameters of the axial limiting holes and the circumferential limiting holes are 5.8mm, the axial direction and the circumferential direction are limited, the gluing.

Description

Multi-level plywood of tooth joint

Technical Field

The utility model relates to a joggle plywood specifically is a multi-level plywood of joggle belongs to material shaping technical field.

Background

The plywood is a three-layer or multi-layer plate material formed by rotary cutting wood sections into single boards or slicing battens into thin boards and then gluing the single boards with an adhesive, is one of common furniture materials, is one of three large boards of an artificial board, can also be used as a functional material for airplanes, ships, trains, automobiles, buildings, packing boxes and the like, has all the advantages of natural wood, such as light volume weight, high strength, beautiful texture, insulation and the like, can also make up for the defects of natural timber such as knots, small breadth, deformation, large longitudinal and transverse mechanical difference and the like, can reasonably utilize the log in the production of the plywood, can produce 1 cubic meter of plywood per 2.2 to 2.5 cubic meters of log due to no sawdust, can replace the log with about 5 cubic meters to be sawn into boards for use, while per 1 cubic meter of plywood product, 1.2-1.5 cubic meters of residue can be produced, which is a better raw material for producing medium density fiberboard and particle board.

The existing toothed multi-layer plywood structure is simple, one of the existing toothed multi-layer plywood structure and the traditional toothed multi-layer plywood structure only adopt triangular toothed connection, the connection positions are very fragile through external force extrusion forming, fracture often occurs in the connection and carrying processes, the other two of the existing toothed multi-layer plywood structure and the traditional toothed multi-layer plywood structure are not axially limited, the circumferential limiting often occurs axially, the circumferential connection is in a shedding condition, the connection is not firm, the other two of the existing toothed multi-layer plywood structure and the traditional toothed multi-layer plywood structure are not provided with a main core plate, and the situation that tearing occurs because no main stress plate exists during use is.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a many level plywood of toothing in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a tooth-jointed multi-layer plywood comprises a surface layer, a concave head band, a convex head band, a central layer, a side layer I, a side layer II, an upper layer, a lower layer, an upper layer texture, a lower layer texture, a bottom plate, an axial limiting hole, a circumferential limiting hole, a concave joint, a convex joint and a lower surface layer; the upper surface layer, the central laying layer, the side laying layer I, the side laying layer II, the upper laying layer, the lower laying layer and the lower laying layer form a main body of the tooth-jointed multi-level plywood, the central laying layer, the side laying layer I and the side laying layer II are glued, the upper laying layer is provided with upper laying layer textures, the lower laying layer is provided with lower laying layer textures, the concave joints are arranged at the upper end and the lower end of the tooth-jointed multi-level plywood, the raised head rims are connected with the concave joints, the raised joints are arranged at the left side and the right side of the tooth-jointed multi-level plywood, the lower ends of the concave joints are connected with the bottom plate, and the concave head rims are connected with the.

Preferably, in order to improve the bending resistance and the torsion resistance of the mat, the upper mat texture on the surface of the upper mat is vertical to the lower mat texture on the surface of the lower mat.

Preferably, in order to improve the stress capacity of the plywood, the upper end and the lower end of the central laying layer are glued with the first side laying layer, the left side and the right side of the central laying layer are glued with the second side laying layer, and the central laying layer is made of thick solid wood.

Preferably, in order to facilitate the plywood connection, the fastening of the plywood after the plywood connection is strengthened, and the female connector and the male connector are in interference fit.

Preferably, in order to limit the axial direction and the circumferential direction, the axial limiting hole and the circumferential limiting hole are drilled out through the drill bit in the axial direction and the circumferential direction of the female joint and the male joint, and the diameters of the axial limiting hole and the circumferential limiting hole are both 5.8. mm.

Preferably, in order to improve usability and avoid the irregular position of the male connector, the female connector is connected with the male connector through the groove and is embedded into the axial limiting hole and the circumferential limiting hole.

Preferably, in order to improve the usability and avoid the irregular position of the female connector, the raised head band is connected with the female connector through the male connector and is embedded into the axial limiting hole to limit the position in the circumferential direction.

The utility model has the advantages that: the tooth joint multi-layer plywood has reasonable design, the upper pavement texture on the surface of an upper pavement and the lower pavement texture on the surface of a lower pavement are in a vertical state, the bending resistance and the torsion resistance of the plywood are improved, the service life of the plywood is prolonged, the upper and lower ends of a central pavement are glued with a first side pavement, the left and right sides of the central pavement are glued with a second side pavement, the central pavement adopts thick solid wood, the stress capacity of the plywood is improved, the damage condition of the plywood under stress is reduced, the female joint and the male joint are in interference fit, the plywood is convenient to connect, the fastening of the plywood after connection is enhanced, the connection reliability of the joints is improved, the service life is prolonged, the female joint and the male joint are axially and circumferentially drilled with a drill bit to form an axially-limited hole and a circumferentially-limited hole, the diameters of the axially-limited hole and the circumferentially-limited hole are both 5.8mm, the axial, the concave joint is connected with the convex joint through the groove and is embedded into the axial limiting hole and the circumferential limiting hole, usability is improved, the convex joint is prevented from being irregular, the attractiveness of the convex joint after installation is guaranteed, the convex head band is connected with the concave joint through the convex joint and is embedded into the axial limiting hole and the circumferential limiting hole, usability is improved, the concave joint is prevented from being irregular, and the attractiveness of the convex joint after installation is guaranteed.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the middle layer of the structure of the present invention;

FIG. 3 is a schematic view of the upper and lower layers of the structure of the present invention;

FIG. 4 is the overall structure of the present invention

In the figure: 1. the upper surface layer, 2, the concave head band, 3, the raised head band, 4, the central layer, 5, the side layer I, 6, the side layer II, 7, the upper layer, 8, the lower layer, 9, the upper layer texture, 10, the lower layer lower texture, 11, the bottom plate, 12, the axial limiting hole, 13, the circumferential limiting hole, 14, the concave joint, 15, the convex joint, 16 and the lower surface layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, a toothed multi-layer plywood comprises an upper surface layer 1, a concave head band 2, a convex head band 3, a central layer 4, a side layer one 5, a side layer two 6, an upper layer 7, a lower layer 8, an upper layer texture 9, a lower layer lower texture 10, a bottom plate 11, an axial limiting hole 12, a circumferential limiting hole 13, a concave joint 14, a convex joint 15 and a lower surface layer 16; the upper surface layer 1, the central laying layer 4, the side laying layer I5, the side laying layer II 6, the upper laying layer 7, the lower laying layer 8 and the lower laying layer 16 form a main body of the tooth-jointed multilayer plywood, the central laying layer 4, the side laying layer I5 and the side laying layer II 6 are glued, upper laying layer textures 9 are arranged on the upper laying layer 7, lower laying layer lower textures 10 are arranged on the lower laying layer 8, concave joints 14 are arranged at the upper end and the lower end of the tooth-jointed multilayer plywood, raised head rims 3 are connected with the concave joints 14, the convex joints 15 are arranged at the left side and the right side of the tooth-jointed multilayer plywood, the lower ends of the concave joints 14 are connected with a bottom plate 11, and the recessed head rims 2 are connected with axial limiting holes 12 and circumferential limiting holes 13.

The upper pavement texture on the surface of the upper pavement and the lower texture of the lower pavement on the surface of the lower pavement are in a vertical state, so that the bending resistance and the torsion resistance of the plywood are improved, the service life of the plywood is prolonged, the upper end and the lower end of the central pavement are glued with the first lateral pavement, the left side and the right side of the central pavement are glued with the second lateral pavement, the central pavement is made of thick solid wood, the stress capacity of the plywood is improved, the damage condition of the plywood under stress is reduced, the female joint and the male joint are in interference fit, the plywood connection is facilitated, the fastening after the plywood connection is enhanced, the joint connection reliability of the plywood is improved, the service life is prolonged, the female joint and the male joint are axially and circumferentially drilled with drill bits to form an axial limiting hole and a circumferential limiting hole, the diameters of the axial limiting hole and the circumferential limiting hole are 5.8mm, the axial limiting and the, the concave joint is connected with the convex joint through the groove and is embedded into the axial limiting hole and the circumferential limiting hole, usability is improved, the convex joint is prevented from being irregular, the attractiveness of the convex joint after installation is guaranteed, the convex head band is connected with the concave joint through the convex joint and is embedded into the axial limiting hole and the circumferential limiting hole, usability is improved, the concave joint is prevented from being irregular, and the attractiveness of the convex joint after installation is guaranteed.

The working principle is as follows: when the toothed multi-layer plywood is used, firstly, a first side laying layer 5 and a second side laying layer 6 are laid around a central laying layer 4 and are firmly glued, the conditions of virtual glue and degumming cannot occur, secondly, an upper laying layer 7 and a lower laying layer 8 are laid at the upper end and the lower end of the central laying layer 4 and are firmly glued, the conditions of virtual glue and degumming cannot occur, seven layers of plywood are glued together, finally, the formed plywood passes through a punching machine to punch a convex joint 15 and a concave joint 14, and then at the convex joint 15, the concave joint 14 drills an axial limiting hole 12 and a circumferential limiting hole 13 through a 5.8mm drill bit.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides a multi-level plywood of tooth joint which characterized in that: the novel metal wire rope is characterized by comprising an upper surface layer (1), a concave head band (2), a raised head band (3), a central laying layer (4), a side laying layer I (5), a side laying layer II (6), an upper laying layer (7), a lower laying layer (8), upper laying layer textures (9), lower laying layer lower textures (10), a bottom plate (11), an axial limiting hole (12), a circumferential limiting hole (13), a concave joint (14), a convex joint (15) and a lower surface layer (16); the technical scheme is that the upper surface layer (1), the central laying layer (4), the side laying layer I (5), the side laying layer II (6), the upper laying layer (7), the lower laying layer (8) and the lower surface layer (16) form a main body of the toothed multi-layer plywood, the central laying layer (4) and the side laying layer I (5) and the side laying layer II (6) are glued, upper laying layer textures (9) are arranged on the upper laying layer (7), lower laying layer lower textures (10) are arranged on the lower laying layer (8), concave joints (14) are arranged at the upper end and the lower end of the toothed multi-layer plywood, raised heads (3) are connected with concave joints (14), the convex joints (15) are arranged at the left side and the right side of the toothed multi-layer plywood, the lower ends of the concave joints (14) are connected with a bottom plate (11), and the concave joints (2) are connected with axial limiting holes (12) and circumferential limiting holes (13).

2. The toothed multilayer plywood of claim 1, wherein: the upper layer texture (9) on the surface of the upper layer (7) is vertical to the lower layer texture (10) on the surface of the lower layer (8).

3. The toothed multilayer plywood of claim 1, wherein: the upper end and the lower end of the central laying layer (4) are glued with the side laying layer I (5), the left side and the right side of the central laying layer (4) are glued with the side laying layer II (6), and the central laying layer (4) is made of thick solid wood.

4. The toothed multilayer plywood of claim 1, wherein: the female connector (14) and the male connector (15) are in interference fit.

5. The toothed multilayer plywood of claim 1, wherein: the concave joint (14) and the convex joint (15) axially and circumferentially drill an axial limiting hole (12) and a circumferential limiting hole (13) through a drill, and the diameters of the axial limiting hole (12) and the circumferential limiting hole (13) are 5.8 mm.

6. The toothed multilayer plywood of claim 1, wherein: the female joint (14) is connected with the male joint (15) through the groove and is embedded into the axial limiting hole (12) and the circumferential limiting hole (13).

7. The toothed multilayer plywood of claim 1, wherein: the raised head trim (3) is connected with the female connector (14) through the male connector (15) and is embedded into the axial limiting hole (12) and the circumferential limiting hole (13).

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