Double-layered composite plastic floorboard with tongue-and-groove connection structure

Abstract

The invention discloses a double-layered composite plastic floorboard with a tongue-and-groove connection structure, which comprises a floorboard surface layer and a floorboard cushion layer arranged under the floorboard surface layer, the floorboard surface layer and the floorboard cushion layer are stuck together in parallel and horizontally and longitudinally staggered, the parts of the floorboard surface layer and the floorboard cushion layer, which stick out, are formed into connecting strips and overlapping strips, and non-setting adhesive is applied on the opposite connecting planes of the connecting strips and / or the overlapping strips. Only the long sides of the floorboard cushion layer are provided with a connecting tongue-and-groove, the connecting tongue-and-groove is composed of outer tongues and inner grooves, which are respectively arranged on the two long sides of the floorboard cushion layer and can be connected together by insertion, and both the tongue and the groove are shaped like a parallelogram, and are matched with each other. The tongues can be easily and rapidly inserted into the grooves, so that the floorboards can be easily and efficiently assembled and disassembled; since the structure is optimized, the difficulty of the manufacturing process is decreased, the manufacturing cost is reduced, the structural strength of the connecting tongues is enhanced, and the service life of the plastic floorboard is effectively prolonged.

Description

technical field [0001] The invention relates to a plastic floor, in particular to a double-layer composite plastic floor. Background technique [0002] Plastic flooring has the characteristics of strong decoration, good foot feel, and lightness. People often choose plastic flooring to decorate indoor floors. The existing plastic floor is divided into two categories, one is a traditional plastic floor with smooth sides, and the other is a spliced ​​plastic floor with a locking structure around it. Traditional plastic flooring is widely used, but its disadvantages are also obvious: the construction requires high temperature, humidity and flatness of the ground, resulting in high construction costs; In addition, it is necessary to apply solvent glue on the ground before bonding, the construction progress is slow, and a professional construction team is required; in addition, a large amount of solvent glue is used, which is easy to seriously pollute the indoor air; due to the t...

AI Technical Summary

Problems solved by technology

However, this type of plastic floor also has shortcomings: due to the tight fit of the locks at the clamping parts, it is more troublesome to assemble and disassemble the floor; lock structures must be provided on the long and short sides of the plastic floor, and in order to meet the needs of the floor According to the assembly requirements of the plastic floor, the locking structure on the long and short sides of the plastic floor needs to meet higher position accuracy requirements, which undoubtedly increases the manufacturing accuracy requirements and manufacturing costs; on the connecting tenon of the locking structure, the width of the root is the smallest. , poor structural strength, easy to damage, affecting the service life of the plastic floor

Images