CN216183398U

CN216183398U - Hard WPC and soft PVC composite board

Info

Publication number: CN216183398U
Application number: CN202122415426.1U
Authority: CN
Inventors: 张贤龙
Original assignee: Changzhou Yongfeng New Material Technology Co ltd
Current assignee: Changzhou Yongfeng New Material Technology Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-04-05
Anticipated expiration: 2031-10-08

Abstract

The utility model discloses a hard WPC and soft PVC composite board, which comprises splicing units, wherein each splicing unit comprises a hard WPC base layer and a soft PVC surface layer combined with the hard WPC base layer, one end of each hard WPC base layer is provided with a groove, the other end of each hard WPC base layer is provided with a lug matched with the groove in the adjacent splicing unit, one end of each hard WPC base layer is provided with a first horizontal extension part, the groove is positioned on the first horizontal extension part, the other end of each hard WPC base layer is provided with a second horizontal extension part, the lug is arranged on the second horizontal extension part, the length of the second horizontal extension part is greater than that of the first horizontal extension part, and after the grooves and the lugs in the two adjacent splicing units are matched, a space for abdicating is formed between the two adjacent splicing units. The utility model has the advantage of avoiding the heated arching after splicing.

Description

Hard WPC and soft PVC composite board

Technical Field

The utility model relates to the technical field of composite boards, in particular to a hard WPC and soft PVC composite board.

Background

WPC is made up of polyethylene, polypropylene and polyvinyl chloride through mixing with more than 50% of wood powder, rice husk and straw to obtain new wood material, and extruding out, shaping and injection moulding to obtain plate or shaped material. The method is mainly used in industries such as building materials, furniture, logistics packaging and the like.

The wood-plastic composite material contains plastics and fibers. Therefore, they have processability similar to wood. They can be sawed, nailed and planed. The nail can be completed by adopting a woodworking tool, and the nail force is obviously superior to that of other synthetic materials. The mechanical properties are superior to wood. Nail force is typically three times that of wood and five times that of particle board.

The wood-plastic composite material contains plastics, so that the wood-plastic composite material has a better elastic modulus. In addition, due to the inclusion of the fiber and the full mixing with the plastic, the wood has the same physical and mechanical properties with hardwood, such as compression resistance, bending resistance and the like, and the durability of the wood is obviously superior to that of common wood. The surface hardness is high, typically 2 to 5 times that of wood.

For the wood-plastic composite floor of concatenation formula, it contains one or more concatenation unit, and every concatenation unit includes the basic unit, and one side of basic unit is equipped with the lug, and its opposite side is equipped with the recess with lug complex, and the lug surface of basic unit one side is equipped with the constant head tank, the recess internal surface is equipped with the setpoint of being connected with the constant head tank cooperation. During installation, the lug in one splicing unit is matched with the groove in the other splicing unit, and after splicing is finished, the end faces of the two adjacent splicing units are attached. For the structure, because the end surfaces of the two adjacent splicing units are attached together after splicing, although the expansion rate of the wood-plastic composite floor when being heated or the shrinkage rate of the wood-plastic composite floor when being cooled are smaller, after the two end surfaces are attached together, no yielding space is provided between the two adjacent splicing units for the expansion after being heated, and therefore the adjacent splicing units are arched.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hard WPC and soft PVC composite board which avoids being arched by heating after being spliced.

Stereoplasm WPC and soft PVC composite board, including the concatenation unit, the concatenation unit includes stereoplasm WPC basic unit and the soft PVC surface course that combines with stereoplasm WPC basic unit, the one end of stereoplasm WPC basic unit is equipped with the recess, the other end of stereoplasm WPC basic unit be equipped with adjacent concatenation unit in the recess complex lug, the one end of stereoplasm WPC basic unit is equipped with first horizontal extension, the recess is located first horizontal extension, the other end of stereoplasm WPC basic unit is equipped with second horizontal extension, the lug set up on second horizontal extension, the length of second horizontal extension is greater than the length of first horizontal extension, after recess and lug cooperation in two adjacent concatenation units, is formed with the space of stepping down between two adjacent concatenation units.

Further, the surface of the first horizontal extension portion is provided with a step, the step divides the surface of the first horizontal extension portion into a first surface and a second surface, the first surface is higher than the second surface, a first groove body is formed between the second horizontal extension portion and the WPC base layer, and after two adjacent splicing units are spliced, a second groove body is formed between the second horizontal extension portion and the second surface.

Furthermore, the first groove body is positioned at one side of the abdicating space, and the second groove body is positioned at the other side of the abdicating space.

Furthermore, a plurality of anti-slip strips are arranged on the soft PVC surface layer at intervals.

According to the utility model, the abdicating space is formed between the two adjacent splicing units, and after the splicing units expand when heated, the abdicating space can abdicating the thermal expansion part, so that the problem that the two adjacent splicing units arch due to mutual extrusion during thermal expansion of the two adjacent splicing units is avoided.

Drawings

FIG. 1 is a perspective view of a single splice unit;

FIG. 2 is a front view of a single splice unit;

FIG. 3 is a schematic diagram of two splicing units splicing together;

reference numbers in the drawings:

splicing unit A, stereoplasm WPC basic unit 1, hole 1a, soft PVC surface course 2, recess 10, lug 11, first horizontal extension 12, first surface 12a and second surface 12b, second horizontal extension 13, the space of stepping down 14, first cell body 15, second cell body 16.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The hard WPC and soft PVC composite board comprises a splicing unit A, wherein the splicing unit A comprises a hard WPC base layer 1 and a soft PVC surface layer 2 combined with the hard WPC base layer 1, the WPC base layer 1 is formed by high-temperature compression molding of polyvinyl chloride, calcium stearate, wood powder, light calcium carbonate and stearic acid, and the WPC base layer 1 formed by the materials has the advantages of high strength and difficulty in deformation. The hard WPC base layer 1 is provided with holes 1a at the lower part thereof, and in this embodiment, the shape of the holes 1a is preferably T-shaped.

In the production of soft PVC, some softening agent is added, so that its finished product possesses good flexibility, good bendability, can be folded, can be curled and can be easily made into the form. In the utility model, the soft PVC is favorable for manufacturing the surface layer of the composite board, and the soft PVC surface layer 2 is fixedly connected with the hard WPC base layer 1 in a bonding mode. During the use, the user contacts with soft PVC surface course 2, through the pliability of soft PVC surface course 2, helps promoting the travelling comfort that composite board used.

One end of the hard WPC base layer 1 is provided with a groove 10, the other end of the hard WPC base layer 1 is provided with a lug 11 matched with the groove 10 in the adjacent splicing unit, namely, each splicing unit A is provided with the groove 10 and the lug 11. Preferably, one end of the hard WPC base layer 1 is provided with a first horizontal extension portion 12, the groove 10 is located on the first horizontal extension portion 12, the other end of the hard WPC base layer 1 is provided with a second horizontal extension portion 13, the bump 11 is arranged on the second horizontal extension portion 13, the length of the second horizontal extension portion 13 is greater than that of the first horizontal extension portion 12, and after the groove 10 and the bump 11 in two adjacent splicing units are matched, an abdicating space 14 is formed between the two adjacent splicing units.

According to the utility model, the abdicating space 14 is formed between two adjacent splicing units A, and after the splicing units A expand when heated, the abdicating space 14 can abdicating the thermal expansion part, so that the problem that the two adjacent splicing units A arch due to mutual extrusion during thermal expansion of the two adjacent splicing units A is avoided.

The surface of the first horizontal extension portion 12 is provided with a step, the step divides the surface of the first horizontal extension portion 12 into a first surface 12a and a second surface 12b, the first surface 12a is higher than the second surface 12b, a first groove 15 is formed between the second horizontal extension portion 13 and the WPC base layer 1, and a second groove 16 is formed between the second horizontal extension portion 13 and the second surface 12b after two adjacent splicing units are spliced. The first groove 15 is located on one side of the abdicating space 14, and the second groove 16 is located on the other side of the abdicating space 14. The first groove body 15 and the second groove body 16 are both communicated with the abdicating space 14. Therefore, the volume of the abdicating space 14 is further enlarged by the first groove body 15 and the second groove body 16, so that the utility model

Meanwhile, as the hole 1a is formed in the lower portion of the hard WPC base layer 1, after the first groove body 15 and the second groove body 16 are communicated with the abdicating space 14, the shape enclosed by the first groove body 15, the second groove body 16 and the abdicating space 14 is also T-shaped and is the same as the shape of the hole 1a, and therefore, when two adjacent splicing units A are spliced, a seamless connection state is formed.

The thickness of the soft PVC surface layer 2 is 15-30mm, in this embodiment, the thickness of the soft PVC surface layer 2 is preferably 20 mm. A plurality of anti-slip strips 20 are arranged on the soft PVC surface layer 2 at intervals.

Antislip strip

20 and 2 integrated into one piece of soft PVC surface course, the cross-section of antislip strip 20 is the arc, and the width of antislip strip 20 is less than 5 mm.

Finally, it should be noted that: the above embodiments are only preferred embodiments of the present invention to illustrate the technical solutions of the present invention, but not to limit the technical solutions, and not to limit the patent scope of the present invention; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention; in addition, the technical scheme of the utility model is directly or indirectly applied to other related technical fields, and the technical scheme is included in the patent protection scope of the utility model.

Claims

1. The hard WPC and soft PVC composite board comprises splicing units (A), wherein each splicing unit (A) comprises a hard WPC base layer (1) and a soft PVC surface layer (2) combined with the hard WPC base layer (1), one end of each hard WPC base layer (1) is provided with a groove (10), the other end of each hard WPC base layer (1) is provided with a lug (11) matched with the groove (10) in the adjacent splicing unit (A), the hard WPC composite board is characterized in that one end of each hard WPC base layer (1) is provided with a first horizontal extension part (12), the groove (10) is located on the first horizontal extension part (12), the other end of each hard WPC base layer (1) is provided with a second horizontal extension part (13), the lug (11) is arranged on the second horizontal extension part (13), the length of the second horizontal extension part (13) is larger than that of the first horizontal extension part (12), and after the grooves (10) in the two adjacent splicing units (A) are matched with the lug (11), an abdicating space (14) is formed between two adjacent splicing units (A).

2. The composite material of hard WPC and soft PVC as claimed in claim 1, wherein the surface of the first horizontal extension (12) is provided with a step dividing the surface of the first horizontal extension (12) into a first surface (12a) and a second surface (12b), the first surface (12a) is located at a higher height than the second surface (12b), a first groove (15) is formed between the second horizontal extension (13) and the WPC base layer (1), and a second groove (16) is formed between the second horizontal extension (13) and the second surface (12b) after two adjacent splicing units (A) are spliced.

3. The composite board of hard WPC and soft PVC as claimed in claim 2, wherein the first slot (15) is located at one side of the abdicating space (14), and the second slot (16) is located at the other side of the abdicating space (14).

4. The composite board of hard WPC and soft PVC according to claim 1, wherein the soft PVC facing (2) is provided with a plurality of anti-slip strips (20) at intervals.