Wood floor with terrestrial heat resisting function

Abstract

The utility model relates to the technical field of wood floors, in particular to a wood floor with a terrestrial heat resisting function, which comprises a surface layer, a core layer and a bottom layer which are sequentially bonded and fixed from top to bottom through MDI glue, connecting clamping heads matched with the connecting clamping grooves are arranged on the rear side and the right side of the core layer along side length protrusions, reinforcing strips are arranged at the bottoms of the connecting clamping grooves in the length directions of the connecting clamping grooves, and deformation strips are arranged on the sides, facing notches of the connecting clamping grooves, of the reinforcing strips. And by arranging the reinforcing strips, the two wood floors can be reinforced at the joint of the two wood floors, and better buckling deformation resistance is provided.

Description

Technical Field

[0001] This utility model relates to the field of wood flooring technology, specifically to a wood flooring with geothermal resistance. Background Technology

[0002] With the improvement of people's living standards, underfloor heating systems, as a comfortable and energy-saving heating method, are being used more and more widely in residential and commercial buildings. At the same time, wood flooring, due to its aesthetic appeal, comfort, and environmental friendliness, has become one of the preferred floor decoration materials. However, ordinary wood flooring faces many problems when applied to underfloor heating systems.

[0003] Currently, to prevent wood flooring from warping due to sudden temperature changes under underfloor heating, multi-layer solid wood flooring, composite wood flooring, or engineered wood flooring are generally used. These types of flooring have strong resistance to deformation due to their structure, making them well-suited for underfloor heating installations. However, these types of flooring share a common characteristic: they use a large amount of glue as an adhesive during production. The main glues used in wood flooring include urea-formaldehyde resin glue, phenolic resin glue, MDI glue, and soybean glue. Among these, urea-formaldehyde resin glue and phenolic resin glue are less environmentally friendly, releasing formaldehyde during use, especially when installed under underfloor heating, as the increased temperature accelerates formaldehyde release, posing a significant safety risk to residents. While MDI glue is formaldehyde-free, its high cost significantly increases the overall cost of wood flooring when used extensively. Soybean glue, also formaldehyde-free, has weak adhesion and is prone to delamination after prolonged use, especially under underfloor heating where sudden temperature changes accelerate the delamination process.

[0004] Based on the above, three-layer solid wood flooring has significant advantages in underfloor heating environments. It can achieve the texture of solid wood flooring through the surface layer, while the core and bottom layers reduce costs and improve resistance to warping and deformation. However, most current three-layer solid wood flooring uses the same rigid snap-fit ​​connection as traditional multi-layer composite or engineered wood flooring. But when the underfloor heating temperature exceeds 30 degrees Celsius, or when the temperature rises too quickly, three-layer wood flooring expands more than multi-layer composite flooring. Current splicing methods for the three-layer solid wood bottom layers cannot handle these conditions, leading to deformation or warping due to the mutual compression of the three layers. Utility Model Content

[0005] The purpose of this invention is to provide a wood flooring with geothermal resistance, which solves the problems that may still occur in the existing three-layer solid wood flooring under excessively high or rapid temperature rise.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0007] A type of wood flooring with geothermal resistance includes a surface layer, a core layer, and a bottom layer that are bonded together from top to bottom using MDI adhesive. The front and left sides of the core layer are recessed along their side lengths, and the rear and right sides of the core layer are protruding along their side lengths, with connecting clips that match the connecting clips. The bottom of the connecting clips is provided with a reinforcing strip along the length of the connecting clips, and a deformation strip is provided on the side of the reinforcing strip facing the opening of the connecting clips.

[0008] A further technical solution is that a first locking block is provided on the side of the reinforcing strip facing the bottom of the connecting slot, a first slot is provided on the bottom of the connecting slot, the first locking block is locked in the first slot, the height of the first slot matches the height of the first locking block, and the length of the first slot is greater than the length of the first locking block.

[0009] A further technical solution is that multiple first card slots and first card blocks are respectively provided along the length direction of the connecting card slot and the reinforcing strip, and are arranged in a double layer.

[0010] A further technical solution is that a second locking block is provided on the side of the reinforcing strip facing the groove of the connecting card slot, and a second card slot matching the second locking block is provided on the side of the connecting card head away from the core layer.

[0011] A further technical solution is that the upper and lower edges of the connecting card head away from the core layer are both set as the first arc shape, and the side of the deformation strip facing the reinforcing strip is abutted against the reinforcing strip by multiple deformable hemispheres with protrusions. The upper and lower edges of the deformation strip facing the connecting card slot opening are provided with filler strips with protrusions.

[0012] A further technical solution is that the reinforcing strip is made of alloy, while the deformable strip and deformable hemisphere are both made of silicone.

[0013] A further technical solution is to set the upper edge of the surface layer as a second arc shape, and to set a deformation groove in the lower edge of the surface layer.

[0014] Compared with the prior art, the beneficial effects of this utility model are: 1. By setting a reinforcing strip, the connection between the two wood floors can be strengthened, providing better resistance to warping deformation; 2. By setting a deformation strip, it can serve as a filler between the connecting slot and the connecting head to improve the stability of the connection. At the same time, when the wood floor expands, the connecting head can squeeze the deformation strip to obtain expansion space, thereby avoiding deformation caused by excessive compression of the two wood floors. Attached Figure Description

[0015] Figure 1This is a cross-sectional schematic diagram of a wood flooring with geothermal resistance according to this utility model.

[0016] Figure 2 This is a schematic cross-sectional view of the joint between two pieces of wood flooring with geothermal resistance, according to this utility model.

[0017] Icons: 1-Top layer, 2-Core layer, 3-Bottom layer, 4-Connecting slot, 5-Connecting head, 6-Reinforcing strip, 7-Deformation strip, 8-First card block, 9-First card slot, 10-Second card block, 11-Second card slot, 12-First arc, 13-Deformation hemisphere, 14-Filling strip, 15-Second arc, 16-Deformation groove. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0019] Example:

[0020] A type of wood flooring with geothermal resistance includes a surface layer 1, a core layer 2, and a bottom layer 3, which are bonded together from top to bottom using MDI adhesive. The core layer 2 has recessed connecting grooves 4 along its front and left sides, and protruding connecting clips 5 along its rear and right sides, each matching the connecting groove 4. A reinforcing strip 6 is provided along the length of the connecting groove 4 at its bottom, and a deformation strip 7 is provided on the side of the reinforcing strip 6 facing the opening of the connecting groove 4. The reinforcing strip 6 strengthens the connection between the two wood floorboards, providing better resistance to warping. The deformation strip 7 acts as a filler between the connecting groove 4 and the connecting clip 5, improving the stability of the connection. Furthermore, when the wood flooring expands, the connecting clip 5 compresses the deformation strip 7 to create expansion space, preventing deformation caused by excessive compression. The surface layer 1 (longitudinal), core layer 2 (transverse), and bottom layer 3 (longitudinal) disperse stress, resulting in a stability improvement of over 50% compared to solid wood flooring. The surface layer 1, core layer 2, and bottom layer 3 are treated with carbonization or high-temperature steam balancing processes to control the moisture content at 8-12%, matching the indoor environment and reducing deformation caused by temperature and humidity changes. The surface layer 1 typically uses high-quality hardwoods such as oak, black walnut, and teak, with a thickness of 2-4mm, providing beautiful natural wood grain and wear resistance. The core layer 2 consists of horizontally arranged softwood strips such as pine and poplar, buffering stress and enhancing stability. The bottom layer 3 uses rotary-cut veneer, such as birch and pine, to balance the overall structure and prevent warping and deformation.

[0021] A first locking block 8 is provided on the side of the reinforcing strip 6 that protrudes towards the bottom of the connecting slot 4. A first slot 9 is provided in the recess of the bottom of the connecting slot 4. The first locking block 8 is locked in the first slot 9. The height of the first slot 9 matches the height of the first locking block 8, and the length of the first slot 9 is greater than the length of the first locking block 8. By setting the first locking block 8 and the first slot 9, the reinforcing strip 6 can be stably installed into the bottom of the connecting slot 4. Based on the matching height of the first locking block 8 and the first slot 9, the core layer 2 and the reinforcing strip 6 can be formed as a whole in the height direction. The reinforcing strip 6 improves the warping resistance of the core layer 2. At the same time, since the length of the first locking block 8 is less than the length of the first slot 9, a buffer displacement space can be provided between the core layer 2 and the reinforcing strip 6 when the core layer 2 expands, so as to avoid the reinforcing strip 6 pulling the core layer 2 hard when the core layer 2 expands, which would cause the core layer 2 to crack.

[0022] Multiple first slots 9 and first blocks 8 are respectively provided along the length direction of connecting slot 4 and reinforcing strip 6, and are arranged in a double layer. This layout helps to improve the stability of the connection between core layer 2 and reinforcing strip 6, and prevents reinforcing strip 6 from tilting within connecting slot 4.

[0023] The reinforcing strip 6 has a second locking block 10 protruding on the side facing the groove of the connecting slot 4, and the connecting head 5 has a second slot 11 that matches the second locking block 10 recessed on the side away from the core layer 2. By setting the second locking block 10 and the second slot 11, when installing wood flooring, after two adjacent wood floorboards are spliced, the connection points of the two wood floorboards can be reinforced and connected simultaneously by a single reinforcing strip 6.

[0024] The upper and lower edges of the connecting clip 5 on the side away from the core layer 2 are both set as first arcs 12. The deformable strip 7 facing the reinforcing strip 6 abuts against the reinforcing strip 6 through multiple protruding deformable hemispheres 13. The upper and lower edges of the deformable strip 7 facing the groove of the connecting clip 4 are provided with filling strips 14. By setting the deformable hemispheres 13, an expansion gap can be left between the deformable strip 7 and the reinforcing strip 6. After the wood flooring is installed, the elastic force of the deformable hemispheres 13 can keep the deformable strip 7 and the reinforcing strip 6 maintaining this expansion gap. When the wood flooring expands, the connecting clip 5 squeezes the deformable strip 7 to flatten the deformable hemispheres 13, thereby compressing the expansion gap to provide expansion space for the wood flooring. By setting the first arc 12, the connecting clip 5 can be easily inserted into the connecting clip 4. After being inserted into the connecting clip 4, the filling strips 14 fill the gap between the first arc 12 and the groove wall of the connecting clip 4, thereby preventing the connecting clip 5 from shaking in the connecting clip 4.

[0025] Reinforcing strip 6 is made of alloy material, while deformable strip 7 and deformable hemisphere 13 are made of silicone. Reinforcing strip 6 can be made of copper-zinc alloy, aluminum-magnesium alloy, or some hard alloys with good bending strength.

[0026] The upper edge of the surface layer 1 is designed as a second arc 15, and the lower edge of the surface layer 1 is recessed with a deformation groove 16. By designing the second arc and the deformation groove 16, the edge of the surface layer 1 slightly protrudes from the edge of the core layer 2. This ensures sufficient gaps between the core layers 2 during installation to accommodate expansion and contraction, while also preventing excessively large gaps after the wood flooring is joined. When the wood flooring expands as a whole, the second arcs 15 of adjacent wood flooring pieces press against each other, causing a slight downward deformation, with the deformation groove 16 providing the necessary space for deformation.

[0027] Although the present invention has been described herein with reference to several illustrative embodiments, it should be understood that many other modifications and implementations can be devised by those skilled in the art, which will fall within the scope and spirit of the principles disclosed herein. More specifically, various variations and modifications can be made to the components and / or layout of the subject matter combination within the scope of the disclosure, drawings, and claims. Besides variations and modifications to the components and / or layout, other uses will be apparent to those skilled in the art.

Claims

1. A type of wood flooring with geothermal resistance, characterized in that, The core layer (2) and bottom layer (3) are bonded together from top to bottom with MDI adhesive. The front and left sides of the core layer (2) are recessed along the side length and the rear and right sides of the core layer (2) are raised along the side length and the connecting head (5) matches the connecting groove (4). The bottom of the connecting groove (4) is provided with a reinforcing strip (6) along the length of the connecting groove (4) and a deformation strip (7) is provided on the side of the reinforcing strip (6) facing the opening of the connecting groove (4).

2. The wood flooring with geothermal resistance according to claim 1, characterized in that: The reinforcing strip (6) has a first locking block (8) protruding on the side facing the bottom of the connecting slot (4). The bottom of the connecting slot (4) has a first slot (9) recessed. The first locking block (8) is locked in the first slot (9). The height of the first slot (9) matches the height of the first locking block (8). The length of the first slot (9) is greater than the length of the first locking block (8).

3. A type of wood flooring with geothermal resistance according to claim 2, characterized in that: The first card slot (9) and the first card block (8) are provided in multiple ways along the length direction of the connecting card slot (4) and the reinforcing strip (6), and are arranged in a double layer.

4. The wood flooring with geothermal resistance according to claim 1, characterized in that: The reinforcing strip (6) has a second card block (10) protruding on the side facing the groove of the connecting card slot (4), and the connecting card head (5) has a second card slot (11) that matches the second card block (10) recessed on the side away from the core layer (2).

5. A type of wood flooring with geothermal resistance according to claim 1, characterized in that: The upper and lower edges of the connecting clip (5) away from the core layer (2) are both set as first arc (12). The deformable strip (7) abuts against the reinforcing strip (6) through a plurality of deformable hemispheres (13) with protrusions on the side facing the reinforcing strip (6). The upper and lower edges of the deformable strip (7) facing the groove of the connecting clip (4) are provided with filling strips (14).

6. A type of wood flooring with geothermal resistance according to claim 1, characterized in that: The reinforcing strip (6) is made of alloy material, while the deformable strip (7) and the deformable hemisphere (13) are both made of silicone.

7. A type of wood flooring with geothermal resistance according to claim 1, characterized in that: The upper edge of the surface layer (1) is configured as a second arc (15), and the lower edge of the surface layer (1) is recessed and provided with a deformation groove (16).

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