Laminated wood floor with low absorption and expansion rate

Abstract

The utility model relates to the technical field of laminated wood floors, in particular to a low-absorption-expansion-rate laminated wood floor which comprises a first wood floor body, a second wood floor body is arranged on the surface of the first wood floor body, and stable splicing mechanisms are arranged on the surfaces of the first wood floor body and the second wood floor body. Formaldehyde removal mechanisms are arranged in the first wood floor and the base material plate, and low-absorption expansion mechanisms are arranged on the surface of the first wood floor and the surface of the second wood floor. According to the laminated wood floor, the phenomenon that the laminated wood floor is loosened after being assembled is avoided, the phenomenon that the environment is polluted when the laminated wood floor is used is avoided, the safety of the laminated wood floor in use is improved, the laminated wood floor can be used in a high-humidity state, and the service life of the laminated wood floor is prolonged. And the phenomena of arching and warping during use of the laminated wood flooring are avoided, so that the service life of the laminated wood flooring is longer.

Description

Technical Field

[0001] The utility model relates to the technical field of laminate flooring, in particular to a laminate flooring with a low absorption and expansion rate. Background Art

[0002] Laminate flooring is made of one or more layers of special paper impregnated with thermosetting amino resin, laid on the surface of artificial board substrates such as particleboard and high-density fiberboard, with a balancing layer on the back, and formed by heat pressing and cooling. There are many types of laminate flooring on the market today, but there are still certain problems that need to be solved. Now there is a need for a laminate flooring with low expansion rate.

[0003] Firstly, laminate flooring needs to be assembled before use. Existing laminate flooring is not stable enough during assembly and the assembly steps are often complicated, which easily leads to the loosening of laminate flooring after assembly. Secondly, laminate flooring contains some formaldehyde when in use, which affects people's health. Existing laminate flooring easily releases formaldehyde gas when in use, which easily leads to environmental pollution when laminate flooring is in use, reducing the safety of laminate flooring when in use. Thirdly, existing laminate flooring is prone to arching and warping when in use. Existing laminate flooring does not have the function of low absorption and expansion when in use, which makes laminate flooring unable to be used in high humidity conditions, which easily leads to arching and warping when laminate flooring is in use, shortening the service life of laminate flooring. Utility Model Content

[0004] The purpose of the utility model is to provide a laminate flooring with low absorption and expansion rate, so as to solve the problems in the above-mentioned background technology that the laminate flooring is not stable enough during assembly, the assembly steps are often complicated, formaldehyde gas is easily released, and the laminate flooring does not have the function of low absorption and expansion.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a low-absorption-expansion laminate flooring, comprising a first wooden flooring, a second wooden flooring being arranged on the surface of the first wooden flooring, a stable assembly mechanism being arranged on the surfaces of the first wooden flooring and the second wooden flooring, the interior of the stable assembly mechanism comprising an arc-shaped slot, a stretch spring and a stable assembly part, a formaldehyde removal mechanism being arranged on the interior of the first wooden flooring and the substrate board, the interior of the formaldehyde removal mechanism comprising a through-hole body, a dense protective layer and a formaldehyde removal component, a low-absorption-expansion mechanism being arranged on the surfaces of the first wooden flooring and the second wooden flooring, the interior of the low-absorption-expansion mechanism comprising a high-density fiberboard, a waterproof and wear-resistant layer, a melamine-modified urea-formaldehyde resin glue and a balancing layer.

[0006] Preferably, positioning clips are installed on the surfaces of the first wooden floor and the second wooden floor, positioning slots are opened on the surfaces of the first wooden floor and the second wooden floor, the positioning slots and the surfaces of the positioning clips are engaged with each other, and substrate boards are installed on the surfaces at the bottom positions of the first wooden floor and the second wooden floor.

[0007] Preferably, the stable assembling part is arranged on the surface of the first wooden floor and the second wooden floor, and the stable assembling part is composed of a groove body and an arc-shaped clip. The surfaces of the first wooden floor and the second wooden floor are both provided with a groove body, and an arc-shaped clip is arranged inside the groove body. The arc-shaped clip and the inner wall of the groove body are slidably matched with each other, and one side of the arc-shaped clip extends to the outside of the groove body.

[0008] Preferably, the surfaces of the first wooden floor and the second wooden floor are both provided with arc-shaped grooves, the arc-shaped grooves and the surfaces of the arc-shaped clamps are engaged with each other, and the inner walls of the groove bodies are both equipped with extension springs, one end of which is fixed to the surface of the arc-shaped clamps.

[0009] Preferably, the formaldehyde removal component is arranged inside the first wooden floor and the substrate board, and the formaldehyde removal component is composed of a formaldehyde removal cavity, a liquid sealant and a PU resin film. The first wooden floor and the second wooden floor are both provided with formaldehyde removal cavities, and the formaldehyde removal cavity is provided with a dense protective layer for absorbing formaldehyde inside the first wooden floor, the second wooden floor and the substrate board, and the surface of the dense protective layer is covered with liquid sealant, and the surface of the liquid sealant is bonded to the surface of the dense protective layer, and the surface of the liquid sealant is bonded to the inner wall of the formaldehyde removal cavity.

[0010] Preferably, a PU resin film is provided on the surface at the bottom of the dense protective layer for enhancing the ventilation of the first wooden floor, the second wooden floor and the substrate board; the surface of the PU resin film is bonded to the surface of the dense protective layer; the surface of the PU resin film is bonded to the inner wall of the formaldehyde removal cavity; the interiors of the first wooden floor and the second wooden floor are both provided with through-hole bodies with equal intervals; the through-hole bodies are connected to the interior of the formaldehyde removal cavity; and the through-hole bodies are connected to the interior of the substrate board.

[0011] Preferably, the surfaces of the first wooden floor and the second wooden floor are both covered with a balancing layer, the surface of the balancing layer is bonded to the surfaces of the first wooden floor and the second wooden floor, and the surface at the top position of the balancing layer is bonded with melamine-modified urea-formaldehyde resin glue for preventing the interior of the first wooden floor and the second wooden floor from expanding.

[0012] Preferably, high-density fiberboard is provided above the first wooden floor and the second wooden floor for enhancing the water resistance of the surfaces of the first wooden floor and the second wooden floor, the surface of the high-density fiberboard is bonded to the surface of the melamine-modified urea-formaldehyde resin glue away from the balancing layer, and the surface at the top of the high-density fiberboard is adhered with a waterproof and wear-resistant layer for preventing the surfaces of the first wooden floor and the second wooden floor from slipping and wear.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the low-swelling rate laminate flooring not only makes it convenient for users to assemble the first wooden flooring and the second wooden flooring when using the laminate flooring, thus avoiding the laminate flooring from loosening after assembling, thus avoiding the environmental pollution when using the laminate flooring, thus improving the safety when using the laminate flooring, but also enables the laminate flooring to be used in a high-humidity state, thus avoiding the phenomenon of arching and warping when using the laminate flooring, thus extending the service life of the laminate flooring;

[0014] By providing a stable assembly mechanism, the positioning clamp is clamped into the inside of the positioning clamp groove, and the arc clamp is driven to move under the elastic force of the extension spring inside the groove body, so that the arc clamp slides on the inner wall of the groove body. When the arc clamp moves, the arc clamp is clamped into the inside of the arc clamp groove, and the second wooden floor is stably installed on the surface of the first wooden floor under the clamping action of the arc clamp and the arc clamp groove, and the second wooden floor is positioned and installed, so that the function of stable assembly of the laminated wooden floor is realized, so that the laminated wooden floor can be conveniently assembled between the first wooden floor and the second wooden floor when the laminated wooden floor is used, and the laminated wooden floor is prevented from being loosened after assembly;

[0015] By providing a formaldehyde removal mechanism, the methane inside the first wooden floor, the second wooden floor and the substrate board is quickly released through the formaldehyde removal mechanism, and the formaldehyde gas inside the substrate board enters the inside of the formaldehyde removal cavity through the through-hole body, and the methane released by the first wooden floor, the second wooden floor and the substrate board is isolated under the joint action of the PU resin film and the dense protective layer inside the formaldehyde removal cavity. During this process, liquid sealant is applied. Since the liquid sealant can form a thin film with the same size as the gap when it adheres to the joint surface between the films, it has a strong sealing effect, and the function of removing formaldehyde from the laminate floor is realized, so that the laminate floor is prevented from being polluted when the laminate floor is used, and the safety of the laminate floor is improved when it is used;

[0016] By providing a low-absorption expansion mechanism and utilizing melamine-modified urea-formaldehyde resin glue to adhere the high-density fiberboard and the balancing layer for coordinated operation, the water resistance of the first wooden floor and the second wooden floor is improved under the action of the high-density fiberboard, and the surfaces of the first wooden floor and the second wooden floor are made non-slip under the action of the waterproof and wear-resistant layer, so that the wear resistance of the surfaces of the first wooden floor and the second wooden floor is higher, and under the joint action of the melamine-modified urea-formaldehyde resin glue and the balancing layer, the laminate floor has the effect of low-absorption expansion, realizing the function of low-absorption expansion of the laminate floor, so that the laminate floor can be used in a high-humidity state, avoiding the arching and warping phenomena that occur when the laminate floor is used, and extending the service life of the laminate floor. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model in a top view;

[0019] Figure 3 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0020] Figure 4 For the utility model Figure 2 An enlarged structural diagram of the stable assembly mechanism;

[0021] Figure 5 For the utility model Figure 3 An enlarged structural diagram of the formaldehyde removal mechanism;

[0022] Figure 6 For the utility model Figure 3 Schematic diagram of the enlarged structure of the medium and low suction expansion mechanism.

[0023] In the figure: 1. first wooden floor; 101. second wooden floor; 102. substrate board; 103. positioning card; 104. positioning card slot; 2. stable assembly mechanism; 201. arc-shaped card slot; 202. extension spring; 203. stable assembly part; 2031. groove body; 2032. arc-shaped card; 3. formaldehyde removal mechanism; 301. through-hole body; 302. dense protective layer; 303. formaldehyde removal component; 3031. formaldehyde removal cavity; 3032. liquid sealant; 3033. PU resin film; 4. low-absorption expansion mechanism; 401. high-density fiberboard; 402. waterproof and wear-resistant layer; 403. melamine-modified urea-formaldehyde resin glue; 404. balancing layer. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The utility model provides a low absorption and expansion rate laminate flooring structure as follows Figure 1 and Figure 2 As shown, it includes a first wooden floor 1, a second wooden floor 101 is arranged on the surface of the first wooden floor 1, positioning clips 103 are installed on the surfaces of the first wooden floor 1 and the second wooden floor 101, and positioning slots 104 are opened on the surfaces of the first wooden floor 1 and the second wooden floor 101. The positioning slots 104 and the surfaces of the positioning clips 103 are mutually engaged, and the surfaces of the first wooden floor 1 and the second wooden floor 101 at the bottom positions are both installed with substrate boards 102.

[0026] Furthermore, if Figure 2 and Figure 4 As shown, the surfaces of the first wooden floor 1 and the second wooden floor 101 are both provided with a stable assembly mechanism 2, the interior of the stable assembly mechanism 2 includes an arc-shaped card slot 201, an extension spring 202 and a stable assembly part 203, the stable assembly part 203 is arranged on the surfaces of the first wooden floor 1 and the second wooden floor 101, and the stable assembly part 203 is composed of a groove body 2031 and an arc-shaped card part 2032. The surfaces of the first wooden floor 1 and the second wooden floor 101 are both provided with a groove body 2031, and the interior of the groove body 2031 is provided with a groove body 2031. An arc-shaped clamp 2032 is provided on the inside, and the arc-shaped clamp 2032 and the inner wall of the groove body 2031 are slidably matched with each other. One side of the arc-shaped clamp 2032 extends to the outside of the groove body 2031. The surfaces of the first wooden floor 1 and the second wooden floor 101 are both provided with arc-shaped grooves 201. The arc-shaped grooves 201 and the surfaces of the arc-shaped clamp 2032 are mutually engaged. The inner wall of the groove body 2031 is installed with an extension spring 202, and one end of the extension spring 202 is fixed to the surface of the arc-shaped clamp 2032.

[0027] During implementation, the arc-shaped clip 2032 is driven to move under the elastic force of the extension spring 202 inside the groove body 2031, so that the arc-shaped clip 2032 slides on the inner wall of the groove body 2031. When the arc-shaped clip 2032 moves, the arc-shaped clip 2032 is stuck to the inside of the arc-shaped slot 201. Under the clamping action of the arc-shaped clip 2032 and the arc-shaped slot 201, the second wooden floor 101 is stably installed on the surface of the first wooden floor 1, and the second wooden floor 101 is positioned and installed to achieve the function of stable assembly of the laminate floor.

[0028] Furthermore, if Figure 3 and Figure 5 As shown, the first wooden floor 1 and the substrate board 102 are both provided with a formaldehyde removal mechanism 3, the interior of the formaldehyde removal mechanism 3 includes a through-hole body 301, a dense protective layer 302 and a formaldehyde removal component 303, the formaldehyde removal component 303 is arranged inside the first wooden floor 1 and the substrate board 102, the formaldehyde removal component 303 is composed of a formaldehyde removal cavity 3031, a liquid sealant 3032 and a PU resin film 3033, the first wooden floor 1 and the second wooden floor 101 are both provided with a formaldehyde removal cavity 3031, the interior of the formaldehyde removal cavity 3031 is provided with a dense protective layer 302 for absorbing formaldehyde inside the first wooden floor 1, the second wooden floor 101 and the substrate board 102, the surface of the dense protective layer 302 is covered with liquid sealant 3032, the liquid The surface of the sealant 3032 is bonded to the surface of the dense protective layer 302, the surface of the liquid sealant 3032 is bonded to the inner wall of the formaldehyde removal cavity 3031, and the surface at the bottom of the dense protective layer 302 is provided with a PU resin film 3033 for enhancing the ventilation of the first wooden floor 1, the second wooden floor 101 and the substrate board 102. The surface of the PU resin film 3033 is bonded to the surface of the dense protective layer 302, and the surface of the PU resin film 3033 is bonded to the inner wall of the formaldehyde removal cavity 3031. The first wooden floor 1 and the second wooden floor 101 are both provided with equally spaced through-hole bodies 301, the through-hole bodies 301 are connected to the interior of the formaldehyde removal cavity 3031, and the through-hole bodies 301 are connected to the interior of the substrate board 102.

[0029] During implementation, the methane inside the first wooden floor 1, the second wooden floor 101 and the substrate board 102 is quickly released through the formaldehyde removal mechanism 3, and the formaldehyde gas inside the substrate board 102 enters the formaldehyde removal cavity 3031 through the through-hole body 301. Under the joint action of the PU resin film 3033 and the dense protective layer 302 inside the formaldehyde removal cavity 3031, the methane released from the first wooden floor 1, the second wooden floor 101 and the substrate board 102 is isolated. In this process, liquid sealant 3032 is applied. When the liquid sealant 3032 adheres to the joint surface between the films, a thin film with the same gap can be formed, which has a strong sealing effect to achieve the function of removing formaldehyde from the laminate floor.

[0030] Furthermore, if Figure 3 and Figure 6As shown, the surfaces of the first wooden floor 1 and the second wooden floor 101 are both provided with a low-absorption expansion mechanism 4, the interior of the low-absorption expansion mechanism 4 includes a high-density fiberboard 401, a waterproof and wear-resistant layer 402, a melamine-modified urea-formaldehyde resin glue 403 and a balancing layer 404, the surfaces of the first wooden floor 1 and the second wooden floor 101 are both covered with the balancing layer 404, the surface of the balancing layer 404 is bonded to the surfaces of the first wooden floor 1 and the second wooden floor 101, and the surface at the top position of the balancing layer 404 is bonded with a material for bonding the first wooden floor 1 and the second wooden floor 101 has an anti-expansion melamine modified urea-formaldehyde resin glue 403 inside, and a high-density fiberboard 401 for enhancing the water resistance of the surfaces of the first wooden floor 1 and the second wooden floor 101 is arranged above the first wooden floor 1 and the second wooden floor 101. The surface of the high-density fiberboard 401 is bonded to the surface of the melamine modified urea-formaldehyde resin glue 403 away from the balancing layer 404, and the surface of the high-density fiberboard 401 at the top position is adhered with a waterproof and wear-resistant layer 402 for preventing the surfaces of the first wooden floor 1 and the second wooden floor 101 from slipping and wear.

[0031] During implementation, the high-density fiberboard 401 and the balancing layer 404 are bonded together by using melamine-modified urea-formaldehyde resin glue 403 to cooperate with each other. Under the action of the high-density fiberboard 401, the water resistance of the first wooden floor 1 and the second wooden floor 101 is improved. Under the action of the waterproof and wear-resistant layer 402, the surfaces of the first wooden floor 1 and the second wooden floor 101 are made non-slip, so that the wear resistance of the surfaces of the first wooden floor 1 and the second wooden floor 101 is higher. Under the joint action of the melamine-modified urea-formaldehyde resin glue 403 and the balancing layer 404, the laminate floor has the effect of low absorption and expansion, thereby realizing the function of low absorption and expansion of the laminate floor.

[0032] Working principle: When in use, first place the first wooden floor 1 at the designated position, and the user places the second wooden floor 101 on one side of the first wooden floor 1. At this time, the positioning clamp 103 is clamped into the inside of the positioning slot 104, and the arc clamp 2032 is driven to move under the elastic force of the extension spring 202 inside the groove body 2031, so that the arc clamp 2032 slides on the inner wall of the groove body 2031. When the arc clamp 2032 moves, the arc clamp 2032 is clamped into the inside of the arc slot 201. Under the clamping action of the arc clamp 2032 and the arc slot 201, the second wooden floor 101 is stably installed on the surface of the first wooden floor 1, and the second wooden floor 101 is positioned and installed to realize the function of stable assembly of the laminate floor, so that the laminate floor can be convenient for the user to assemble the first wooden floor 1 and the second wooden floor 101 when using it, and the laminate floor is prevented from loosening after assembly.

[0033] Subsequently, the methane inside the first wooden floor 1, the second wooden floor 101 and the substrate board 102 is quickly released through the formaldehyde removal mechanism 3, and the formaldehyde gas inside the substrate board 102 enters the formaldehyde removal cavity 3031 through the through-hole body 301. Under the joint action of the PU resin film 3033 and the dense protective layer 302 inside the formaldehyde removal cavity 3031, the methane released from the first wooden floor 1, the second wooden floor 101 and the substrate board 102 is isolated. In this process, liquid sealant 3032 is applied. When the liquid sealant 3032 adheres to the joint surface between the films, a thin film with the same gap can be formed, which has a strong sealing effect to realize the formaldehyde removal function of the laminate floor, thereby avoiding environmental pollution when the laminate floor is used, and improving the safety of the laminate floor when used.

[0034] Subsequently, the high-density fiberboard 401 and the balancing layer 404 are bonded together by using melamine-modified urea-formaldehyde resin glue 403 to cooperate with each other. Under the action of the high-density fiberboard 401, the water resistance of the first wooden floor 1 and the second wooden floor 101 is improved. Under the action of the waterproof and wear-resistant layer 402, the surfaces of the first wooden floor 1 and the second wooden floor 101 are made non-slip, so that the wear resistance of the surfaces of the first wooden floor 1 and the second wooden floor 101 is higher. Under the joint action of the melamine-modified urea-formaldehyde resin glue 403 and the balancing layer 404, the laminate floor has the effect of low absorption and expansion, so as to realize the function of low absorption and expansion of the laminate floor, so that the laminate floor can be used in a high humidity state, avoiding the arching and warping phenomenon when the laminate floor is used, making the service life of the laminate floor longer, and finally completing the use of the laminate floor.

[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A low-swelling laminate flooring, comprising a first wood flooring (1), characterized in that: A second wooden floor (101) is arranged on the surface of the first wooden floor (1), and a stable assembly mechanism (2) is arranged on the surfaces of the first wooden floor (1) and the second wooden floor (101), and the interior of the stable assembly mechanism (2) includes an arc-shaped slot (201), an extension spring (202) and a stable assembly part (203). A formaldehyde removal mechanism (3) is arranged on the interior of the first wooden floor (1) and the base material board (102), and the interior of the formaldehyde removal mechanism (3) includes a through-hole body (301), a dense protective layer (302) and a formaldehyde removal component (303). A low-absorption expansion mechanism (4) is arranged on the surfaces of the first wooden floor (1) and the second wooden floor (101), and the interior of the low-absorption expansion mechanism (4) includes a high-density fiberboard (401), a waterproof and wear-resistant layer (402), a melamine-modified urea-formaldehyde resin glue (403) and a balancing layer (404).

2. The low expansion rate laminate flooring according to claim 1, characterized in that: Positioning clips (103) are installed on the surfaces of the first wooden floor (1) and the second wooden floor (101); positioning slots (104) are provided on the surfaces of the first wooden floor (1) and the second wooden floor (101); the positioning slots (104) and the surfaces of the positioning clips (103) are mutually engaged; and substrate boards (102) are installed on the surfaces at the bottom positions of the first wooden floor (1) and the second wooden floor (101).

3. The low expansion rate laminate flooring according to claim 1, characterized in that: The stable assembly part (203) is arranged on the surface of the first wooden floor (1) and the second wooden floor (101), and the stable assembly part (203) is composed of a groove body (2031) and an arc-shaped clamping piece (2032). The surfaces of the first wooden floor (1) and the second wooden floor (101) are both provided with a groove body (2031), and the interior of the groove body (2031) is provided with an arc-shaped clamping piece (2032). The arc-shaped clamping piece (2032) and the inner wall of the groove body (2031) are slidably matched with each other, and one side of the arc-shaped clamping piece (2032) extends to the outside of the groove body (2031).

4. The low absorption and expansion rate laminate flooring according to claim 3, characterized in that: The surfaces of the first wooden floor (1) and the second wooden floor (101) are both provided with arc-shaped grooves (201), the arc-shaped grooves (201) and the surfaces of the arc-shaped clamping parts (2032) are mutually engaged, and the inner walls of the groove bodies (2031) are both provided with extension springs (202), one end of the extension springs (202) being fixed to the surface of the arc-shaped clamping parts (2032).

5. The low absorption and expansion rate laminate flooring according to claim 1, characterized in that: The formaldehyde removal component (303) is arranged inside the first wooden floor (1) and the substrate board (102), and the formaldehyde removal component (303) is composed of a formaldehyde removal cavity (3031), a liquid sealant (3032) and a PU resin film (3033). The first wooden floor (1) and the second wooden floor (101) are both provided with a formaldehyde removal cavity (3031). A dense protective layer (302) for absorbing formaldehyde inside the first wooden floor (1), the second wooden floor (101) and the substrate board (102) is provided inside the formaldehyde removal cavity (3031). The surface of the dense protective layer (302) is covered with liquid sealant (3032). The surface of the liquid sealant (3032) is bonded to the surface of the dense protective layer (302), and the surface of the liquid sealant (3032) is bonded to the inner wall of the formaldehyde removal cavity (3031).

6. The low expansion rate laminate flooring according to claim 5, characterized in that: A PU resin film (3033) for enhancing the ventilation of the first wooden floor (1), the second wooden floor (101) and the substrate board (102) is provided on the surface at the bottom of the dense protective layer (302); the surface of the PU resin film (3033) is bonded to the surface of the dense protective layer (302); the surface of the PU resin film (3033) is bonded to the inner wall of the formaldehyde removal cavity (3031); the first wooden floor (1) and the second wooden floor (101) are both provided with through-hole bodies (301) at equal intervals; the through-hole bodies (301) are connected to the inside of the formaldehyde removal cavity (3031); and the through-hole bodies (301) are connected to the inside of the substrate board (102).

7. The low absorption and expansion rate laminate flooring according to claim 1, characterized in that: The surfaces of the first wooden floor (1) and the second wooden floor (101) are both covered with a balancing layer (404), the surface of the balancing layer (404) being bonded to the surfaces of the first wooden floor (1) and the second wooden floor (101), and the surface at the top of the balancing layer (404) being bonded with a melamine-modified urea-formaldehyde resin glue (403) for preventing the interior of the first wooden floor (1) and the second wooden floor (101) from expanding.

8. The low absorption and expansion rate laminate flooring according to claim 1, characterized in that: A high-density fiberboard (401) for enhancing the water resistance of the surfaces of the first wooden floor (1) and the second wooden floor (101) is arranged above the first wooden floor (1) and the second wooden floor (101); the surface of the high-density fiberboard (401) is bonded to the surface of the melamine-modified urea-formaldehyde resin glue (403) on a side away from the balancing layer (404); and a waterproof and wear-resistant layer (402) for preventing the surfaces of the first wooden floor (1) and the second wooden floor (101) from slipping and wearing is adhered to the surface at the top position of the high-density fiberboard (401).

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