CN220576751U

CN220576751U - Cracking-proof composite plywood

Info

Publication number: CN220576751U
Application number: CN202321973005.3U
Authority: CN
Inventors: 周道双
Original assignee: Suqian Linghao Wood Industry Co ltd
Current assignee: Suqian Linghao Wood Industry Co ltd
Priority date: 2023-07-26
Filing date: 2023-07-26
Publication date: 2024-03-12
Anticipated expiration: 2033-07-26

Abstract

The utility model discloses a cracking-resistant composite plywood which comprises a plywood body, wherein the plywood body comprises an interlayer and a decorative layer, both sides of the interlayer are respectively provided with a first groove, a locking hole and a group of locking pieces are further formed in the interlayer, the locking hole penetrates through the interlayer, the group of locking pieces are respectively and fixedly arranged in the first grooves on the upper side and the lower side of the interlayer, the group of locking pieces are connected with nuts through flat head bolts, the decorative layer is provided with a group of locking pieces which are respectively arranged on the upper side and the lower side of the interlayer, the decorative layer is provided with a first bulge and a second bulge, and both sides of the interlayer are respectively provided with a second groove and a third groove. This scheme is tight with the intermediate layer through two retaining members that set up, even has appeared the layering phenomenon between the veneer, because two retaining members tightly clip the intermediate layer the reason, the condition that the fracture also can not appear in the plywood body appears. The corner protection piece that sets up simultaneously can effectually place the corner and receive the striking back and appear damaging or the circumstances that warp to appear.

Description

Cracking-proof composite plywood

Technical Field

The utility model relates to the technical field of wardrobe, in particular to a cracking-resistant composite plywood.

Background

The composite plywood is a board formed by splicing three or more layers of thin wood boards. The grain direction of each veneer layer is perpendicular to the direction of the adjacent layers, and is bonded by special glue, and panels are usually added on two sides to strengthen the strength. Because the traditional plywood is made of wood, if the quality of the wood is poor, the composite plywood can be cracked, and when the composite plywood is manufactured, moisture in the raw materials must be evaporated, and if the drying is insufficient or excessive, the board can be cracked.

Disclosure of Invention

(one) solving the technical problems

The utility model aims to solve the technical problems that: the traditional plywood is made of wood, if the quality of the wood is poor, the composite plywood can be cracked, and when the composite plywood is manufactured, moisture in the raw material must be evaporated, and if the drying is insufficient or excessive, the problem of cracking of the board can be caused.

(II) technical scheme

In order to solve the problems, the utility model provides the following technical scheme: the utility model provides a prevent compound plywood of fracture, contains the body of plywood, the body contains intermediate layer and decorative layer, the intermediate layer is that multilayer veneer is made through gluing mode connection, the both sides of intermediate layer all are equipped with first recess, still lock hole and a set of retaining member on the intermediate layer, lock hole runs through the intermediate layer, a set of the retaining member is fixed respectively to be set up in the first recess on the upper and lower both sides of intermediate layer, and a set of retaining member is connected with the nut through the flat head bolt, decorative layer is equipped with a set of group and sets up on the upper and lower both sides of intermediate layer, be equipped with first arch and second arch on the decorative layer, the both sides of intermediate layer all are equipped with second recess and third recess, first arch with second recess interference fit, the second arch with third recess interference fit.

Further, the second protrusions and the first grooves are all provided with a plurality of grooves and the same in number.

Further, the first bulge is of a cylindrical structure, and the circle center of the first bulge is arranged at the position of the intersection point of the diagonal lines of the decorative layer.

Further, the third groove is a cylindrical concave hole, and the circle center of the third groove is arranged at the intersection point of the diagonal lines of the interlayer.

Further, four corner positions on the upper surface and the lower surface of the body are respectively provided with a first connecting hole and a corner protection piece made of metal materials, wherein the corner protection piece comprises an upper protection piece and a lower protection piece, the upper protection piece is provided with a first connecting column and a second connecting hole, the lower protection piece is also provided with a first connecting column, and meanwhile, the side wall of the lower protection piece is also provided with a second connecting column.

Further, a first connecting post on the upper guard is in interference fit with the first connecting hole on the upper surface of the body.

Further, a first connecting post on the lower guard is in interference fit with the first connecting hole on the lower surface of the body, and a second connecting post is in interference fit with the second connecting hole.

Further, the corner guard has the same height as the thickness of the body.

(III) beneficial effects

The utility model has the beneficial effects that:

this scheme is tight with the intermediate layer through two retaining members that set up, even has appeared the layering phenomenon between the veneer, because two retaining members tightly clamp the intermediate layer the reason, the condition that the fracture also can not appear in the body appears. The corner protection piece that sets up simultaneously can effectually place the corner and receive the striking back and appear damaging or the circumstances that warp to appear.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is a schematic view of the structure of the interlayer of the present utility model;

FIG. 4 is a schematic view of the structure of the decorative layer of the present utility model;

FIG. 5 is a schematic view of the structure of the upper guard of the present utility model;

FIG. 6 is a schematic view of the structure of the lower guard of the present utility model;

in the figure: 1-body, 1 a-interlayer, 1 b-decorative layer, 2-first groove, 3-locking hole, 4-locking piece, 5-first protrusion, 6-second protrusion, 7-second groove, 8-third groove, 9-first connecting hole, 10-corner guard, 10 a-upper guard, 10 b-lower guard, 10 c-first connecting column, 10 d-second connecting hole, 10 e-second connecting column.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 6, an anti-cracking composite plywood comprises a plywood body 1, wherein the plywood body 1 comprises an interlayer 1a and a decorative layer 1b, the interlayer 1a is formed by connecting a plurality of layers of veneer sheets in an adhesive mode, two sides of the interlayer 1a are respectively provided with a first groove 2, a locking hole 3 and a group of locking pieces 4 are further arranged on the interlayer 1a, the locking hole 3 penetrates through the interlayer 1a, the group of locking pieces 4 are respectively fixedly arranged in the first grooves 2 on the upper surface and the lower surface of the interlayer 1a, the group of locking pieces 4 are connected with nuts through flat head bolts, the decorative layer 1b is provided with a group of protrusions 5 and second protrusions 6 respectively arranged on the upper surface and the lower surface of the interlayer 1a, two sides of the interlayer 1a are respectively provided with a second groove 7 and a third groove 8, the first protrusions 5 are in interference fit with the second grooves 7, and the second protrusions 6 are in interference fit with the third grooves 8.

Specifically, the second protrusions 6 and the first grooves 2 are provided in plural and equal in number.

Specifically, the first protrusion 5 has a cylindrical structure, and the center of the first protrusion 5 is disposed at the position of the intersection of the diagonal lines of the decorative layer 1 b.

Specifically, the third groove 8 is a cylindrical concave hole, and the center of the third groove is disposed at the intersection point of the diagonal lines of the interlayer 1 a.

Specifically, the four corner positions on the upper and lower sides of the body 1 are respectively provided with a first connecting hole 9, the four corner positions of the body 1 are also provided with corner protection pieces 10 made of metal materials, each corner protection piece 10 comprises an upper protection piece 10a and a lower protection piece 10b, the upper protection piece 10a is provided with a first connecting column 10c and a second connecting hole 10d, the lower protection piece 10b is also provided with a first connecting column 10c, and meanwhile, the side wall of the lower protection piece 10b is also provided with a second connecting column 10e.

Specifically, the first connection post 10c of the upper guard 10a is interference fit with the first connection hole 9 of the upper surface of the body 1.

Specifically, the first connection post 10c on the lower guard 10b is interference-fitted with the first connection hole 9 on the lower surface of the body 1, and the second connection post 10e is interference-fitted with the second connection hole 10 d.

Specifically, the corner guard 10 has the same height as the thickness of the body 1.

The working principle is that the two locking pieces 4 are connected in a bolt and nut connection mode and clamp the interlayer 1a tightly, and the interlayer 1a can be prevented from cracking even if the thin wood boards in the interlayer 1a are in glue failure layering. Simultaneously, after the first bulge 5 and the second bulge 6 which are arranged on the decorative layer 1b are respectively connected with the second groove 7 and the third groove 8 on the interlayer in an interference fit manner, the decorative layer 1b and the interlayer 1a are tightly connected, and meanwhile, the corner protection piece 10 can effectively prevent the corner of the plywood from being deformed or damaged after being impacted.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a prevent composite plywood of fracture which characterized in that: the body (1) that contains the plywood, body (1) contains intermediate layer (1 a) and decorative layer (1 b), intermediate layer (1 a) is made through gluing mode connection for multilayer veneer, the both sides of intermediate layer (1 a) all are equipped with first recess (2), still be equipped with locking hole (3) and a set of retaining member (4) on intermediate layer (1 a), locking hole (3) run through intermediate layer (1 a), a set of retaining member (4) are fixed respectively to be set up in first recess (2) on both sides about intermediate layer (1 a), and a set of retaining member (4) are connected through flat head bolt and nut, decorative layer (1 b) are equipped with a set of setting respectively on the upper and lower both sides of intermediate layer (1 a), be equipped with first arch (5) and second arch (6) on decorative layer (1 b), the both sides of intermediate layer (1 a) all are equipped with second recess (7) and third recess (8), first arch (5) and second recess (7) are in interference fit with third recess (8).

2. A crack resistant composite plywood as claimed in claim 1, wherein: the second protrusions (6) and the first grooves (2) are all provided with a plurality of same quantity.

3. A crack resistant composite plywood as claimed in claim 1, wherein: the first bulge (5) is of a cylindrical structure, and the circle center of the first bulge (5) is arranged at the position of the intersection point of the diagonal lines of the decorative layer (1 b).

4. A crack resistant composite plywood as claimed in claim 1, wherein: the third groove (8) is a cylindrical concave hole, and the circle center of the third groove is arranged at the position of the intersection point of the diagonal lines of the interlayer (1 a).

5. A crack resistant composite plywood as claimed in claim 1, wherein: four corner positions on the upper surface and the lower surface of the body (1) are respectively provided with a first connecting hole (9) and a corner protection piece (10) made of metal materials, each corner protection piece (10) comprises an upper protection piece (10 a) and a lower protection piece (10 b), each upper protection piece (10 a) is provided with a first connecting column (10 c) and a second connecting hole (10 d), each lower protection piece (10 b) is also provided with a first connecting column (10 c), and each side wall of each lower protection piece (10 b) is also provided with a second connecting column (10 e).

6. The cracking resistant composite plywood of claim 5, wherein: a first connecting post (10 c) on the upper guard (10 a) is in interference fit with the first connecting hole (9) on the upper surface of the body (1).

7. The cracking resistant composite plywood of claim 5, wherein: a first connecting post (10 c) on the lower protection piece (10 b) is in interference fit with the first connecting hole (9) on the lower surface of the body (1), and a second connecting post (10 e) is in interference fit with the second connecting hole (10 d).

8. The cracking resistant composite plywood of claim 5, wherein: the height of the corner guard (10) is the same as the thickness of the body (1).