WO2013102305A1 - 一种新型实木地板 - Google Patents

一种新型实木地板 Download PDF

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Publication number
WO2013102305A1
WO2013102305A1 PCT/CN2012/070081 CN2012070081W WO2013102305A1 WO 2013102305 A1 WO2013102305 A1 WO 2013102305A1 CN 2012070081 W CN2012070081 W CN 2012070081W WO 2013102305 A1 WO2013102305 A1 WO 2013102305A1
Authority
WO
WIPO (PCT)
Prior art keywords
solid wood
board
pvc
floor
thickness
Prior art date
Application number
PCT/CN2012/070081
Other languages
English (en)
French (fr)
Inventor
陈伟康
Original Assignee
广州市番禺康达木业有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广州市番禺康达木业有限公司 filed Critical 广州市番禺康达木业有限公司
Priority to PCT/CN2012/070081 priority Critical patent/WO2013102305A1/zh
Publication of WO2013102305A1 publication Critical patent/WO2013102305A1/zh

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
    • E04F15/041—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members with a top layer of wood in combination with a lower layer of other material
    • E04F15/043—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members with a top layer of wood in combination with a lower layer of other material the lower layer being of organic plastic with or without reinforcements or filling materials
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/02038—Flooring or floor layers composed of a number of similar elements characterised by tongue and groove connections between neighbouring flooring elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/01—Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0107—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edges
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2203/00—Specially structured or shaped covering, lining or flooring elements not otherwise provided for
    • E04F2203/04—Specially structured or shaped covering, lining or flooring elements not otherwise provided for comprising a plurality of internal elongated cavities arranged in substantially parallel rows

Definitions

  • the utility model relates to a floor, in particular to a novel solid wood floor.
  • Solid wood flooring is a floor that is directly processed from wood and is the most traditional and ancient floor.
  • Solid wood flooring also known as wood flooring, has the advantages of no pollution, natural pattern, elegant and noble, rich texture, and real elasticity. It is the preferred material for floor laying in home interior decoration.
  • solid wood flooring has low cost and high cost, and solid wood flooring has defects such as easy expansion and contraction, cracks, no moisture, no smashing, poor flame retardancy, and high drying requirements. It should not be used in places with large humidity changes. It is prone to bulging and shrinking deformation, so the solid wood floor affects the use effect and service life, especially the deformation warpage is a difficult problem to solve.
  • the appearance of the parquet has the same beautiful wood texture as the solid wood floor, which is dimensionally stable and easy to lay and maintain.
  • the plastic floor (floor leather) is a very low-end product.
  • the main component is plastic, which is afraid of fire, easy to age and has a short service life.
  • the purpose of the utility model is to provide a novel solid wood floor with a single structure, stable size, non-deformation, anti-warpage, moisture proof, sound absorption, environmental protection, easy installation and long service life in view of the deficiencies of the prior art.
  • One aspect of the present invention provides a novel solid wood floor which can be composed of a solid wood board and a PVC board.
  • the PVC board and the solid wood board can be fixedly connected, and the solid wood board and the PVC board are on the back side of the solid wood board.
  • the joined faces can be formed into unit block by evenly spaced grooves, the solid wood plate has a thickness of 8 ⁇ 20mm, the PVC plate has a thickness of 2 ⁇ 5mm, and the depth of each groove It is 1/5 ⁇ 1/2 of the thickness of the solid wood board.
  • the solid wood panels are vacuum dried at a temperature of 40 to 60 °C.
  • the thickness of the PVC board can be 2 ⁇ 5mm.
  • the unit area block is a square shape, a circular shape, a circular annular block or a prism shape.
  • the same direction and the distance between adjacent grooves may be 10 - 300MM, and the groove width may be
  • the interval of the grooves in the longitudinal direction may be 10 to 80 mm, and the interval in the width direction may be 30 to 300 mm.
  • the unit area blocks may be circular and/or circular or prismatic.
  • the PVC board and the solid wood board can be fixedly connected by the solventless polyurethane glue and the curing agent, and one side of the opposite ends of the solid wood board can be provided with a splicing raft, and the other end can be provided with a splicing groove which is matched with the splicing raft. .
  • the opposite sides of the PVC panels may be provided with the same oblique section.
  • the oblique section may be composed of a beveled surface portion and a straight plane portion, and the straight plane portion is disposed at one end and/or both ends of the oblique curved portion, and between the two inclined sections of the oblique section on the two new solid wood floors
  • a gap of 0.2 to 0.3 mm may be provided between the straight plane portions on the side of the panel between the two PVC boards, and a gap of 0.4 to 0.6 mm may be provided between the end faces of the bottom side of the two solid wood boards.
  • the inclined curved portion includes two or more curved surfaces, and the curved surfaces are smoothly connected.
  • the bottom surface of the PVC sheet that is, the surface in contact with the ground, may be formed into a honeycomb structure.
  • the utility model combines the advantages of the solid wood floor with the advantages of the PVC board, and has the following advantages:
  • the panel is natural recycled wood, with the most reasonable size and processing technology, to achieve the best effect of solid wood flooring.
  • the back plate of the PVC board refers to the surface that is in contact with the ground.
  • the main raw material is Polyvinyl chloride, PVC is an environmentally friendly and non-toxic renewable resource.
  • the solid wood floor surface is in a dry state
  • the PVC material has good plasticity
  • the material has good stability, and its own weight is light, and the whole floor can be made very thin.
  • Wear-resisting with good elasticity and impact resistance, can minimize the damage of the ground to the human body, and can spread the impact on the foot.
  • Non-slip The back plate of the PVC board is provided with non-slip texture, which is stable in contact with the ground and is not easily displaced.
  • Fire retardant The backsheet of the PVC board does not burn itself and can prevent burning.
  • the backboard of PVC board has ordinary ground material that can't compare sound absorption, and its sound absorption can reach 20 decibels, so it needs quiet environment such as hospital ward, school library, lecture hall, theater, etc. With PVC panels, you no longer have to worry about the impact of high-heeled shoes and ground-sounding sounds.
  • the combination of solid wood and PVC can provide you with a more comfortable and more humane living environment.
  • Antibacterial property The surface of PVC board is treated with special antibacterial treatment. Some surface of PVC sheet with excellent performance also has antibacterial agent, which has strong killing ability and inhibits bacterial reproduction ability for most bacteria. The ground will not be moldy.
  • the splicing cylinder is easy and the four end faces (long side, short side) of the back plate of the PVC board are provided with a curved moisture-proof gas entering profile, and the paving method of the solid wood composite floor can be used.
  • PVC backsheet has good thermal conductivity, uniform heat dissipation, and low thermal expansion coefficient. It is relatively stable and the surface layer of solid wood has good thermal and thermal properties. Suitable for places with floor heating.
  • FIG. 2 is a schematic side view of a solid wood floor embodiment of the present invention (1); 3 is a schematic view showing the side structure of the solid wood floor of the present invention (2); FIG. 4 is a schematic structural view of the solid wood floor adjacent to the two floors assembled; FIG. 5 is a schematic enlarged view of the structure of FIG.
  • the object of the present invention is to provide a novel solid wood floor which can be composed of a solid wood board and a PVC board.
  • the solid wood floor of the utility model is further described in detail below with reference to the accompanying drawings.
  • the solid wood floor of the utility model is composed of a solid wood board 1 and a PVC board 2, and the PVC board 2 and the solid wood board 1 are fixedly connected, and the grooves are evenly spaced on the back side of the solid wood board 1.
  • the solid wood board 1 can be vacuum dried at a temperature of 40 to 60 ° C, and the water content is 5% to 8% and the thickness can be 8 to 20 mm, wherein the preferred value is 7 to 15 mm, and the PVC board 2
  • the thickness is 2 to 5 mm, and the depth of each groove 11 is 1/5 to 1/2 of the thickness of the solid wood panel 1, and the preferred value is 1/3 to 1/4.
  • the utility model adopts the vacuum drying technology, so that the moisture content of the solid wood board is accurate, and can reach 5% to 7%, and the optimum value is 6%, depending on different wood species, the moisture content of some hardwoods must be below 5%. It can even make the wood reach a dry state, the floor is balanced, stable, and the quality is more secure.
  • the unit area block formed by the spaced grooves in the back surface of the solid wood board 1 may be formed by, for example, a square-shaped unit area block formed by a groove in the longitudinal direction and the width direction on the back surface of the solid wood board 1.
  • the distance between adjacent grooves in the same direction may be selected between 10 and 300 mm, and the groove width may be 1 to 5 mm. The best way to do this is to select between 10 and 80 mm in the length of the groove and between 30 and 300 mm in the width direction.
  • the unit area block may be any shape capable of achieving this purpose, for example, in addition to the square shape, may be a circle And/or a circular unit area block, which may also be a diamond unit area block, or a mixed unit area block of various shapes.
  • the solid wood board 1 of the utility model refers to the original wood board, not the solid wood composite board which is formed by bonding one layer of wood board, and the solid wood composite board which is formed by bonding two or more boards is not the solid wood referred to in the utility model.
  • the board, the solid wood board referred to in the utility model is a wooden board piece which is directly cut from the wood tube, and there is no bonding between the wooden board and the wooden board in the middle.
  • the bottom surface of the PVC board 2 is formed into a honeycomb structure.
  • the PVC board 2 and the solid wood board 1 are fixedly connected by a solventless polyurethane glue and a curing agent, and a splicing ⁇ 12 is arranged at one end of the opposite ends of the solid wood board 1, and the other end is provided with a splicing connection with the splicing ⁇ 12. Groove 13.
  • Example 1 Solid wood board 1 thickness 10 mm, PVC board thickness 2 mm, EJ groove depth of each EJ groove 3 ⁇ 0 ⁇ 3 ⁇ 5 ⁇ , groove width 2 ⁇ .
  • Example 2 The thickness of the solid wood board is 12 mm, the thickness of the PVC board is 2 mm, the groove depth of each groove is 6 mm, and the groove width is 3 mm.
  • Example 3 The thickness of the solid wood board is 13 mm, the thickness of the PVC board is 4 mm, the groove depth of each groove is 5 or 6 mm, and the groove width is 3 mm.
  • Example 4 The thickness of the solid wood board is 15 mm, the thickness of the PVC board is 3.5 or 5 mm, and the groove depth of each groove is 7 mm, and the groove width is 4 mm.
  • the side faces of the PVC sheets 2 on the long sides and/or the short sides of the solid wood panel 1 are provided with the same oblique section, that is, the opposite sides of the PVC panel 2, or the four sides are provided with oblique sections.
  • the oblique section includes a sloped surface portion 212 and a straight plane portion 211, and the sloped surface portion 212 is formed by smoothly connecting two or more sections of the arc surface, and the straight plane portion 211 is disposed on the inclined surface portion.
  • One end and/or both ends are in the shape of "S" shape.
  • a gap 21 is provided between the straight plane portions on the side of the panel between the two PVC boards, the gap value is 0.2 ⁇ 0.3MM, and a gap 22 is provided between the end faces of the bottom sides of the two solid wood boards, and the gap value is 0.4 ⁇ 0.6MM
  • the gap 22 is preferably 0.40, or 0.45, or 0.5 or 0.8.
  • the end surface on the bottom side of the two solid wood boards refers to the end surface on the side connected to the PVC board, and the end surface aligned with the inner side of the oblique section of the bottom side of the PVC board.
  • a gap 23 is also provided between the top surface of the splicing raft of the two solid wood panels and the bottom of the corresponding splicing groove. Since the space for thermal expansion and contraction of the single solid wood board is reserved, the deformation and warpage of the entire spliced floor can be effectively prevented, and the aesthetic performance of the spliced floor is enhanced.
  • the solid wood floor of the utility model has the following advantages:
  • the solid wood board of the utility model has a moisture content of 5% to 8% after vacuum drying at a temperature of 40 to 60 ° C, the solid wood board is at or near a dry state, and the solid wood board is reduced in dryness, the solid wood board The stress is small, thereby reducing the degree of deformation.
  • the thickness of the solid wood board is 8 ⁇ 20mm, and the thickness of the PVC board is 2 ⁇ 5mm, which is thinner than the ordinary floor made of a solid wood board, but meets the performance requirements of the solid wood floor specified by the national standard.
  • the solid wood board is too thick, the PVC board is too thin, it is easy to be deformed, the sound absorbing effect, the moisture proof and the waterproof effect are worse, especially the PVC board is too thin, and when the floor is uneven, the PVC board can not play a buffering effect, causing trouble in paving.
  • the back surface of the solid wood board is formed into a unit area block by uniformly spaced grooves, and the solid wood board is vacuum dried at a temperature of 40 to 60 ° C, the water content is 5% to 8% and the thickness is 7 ⁇ 15mm, PVC plate thickness 2 ⁇ 5mm, the depth of each groove is 1 / 5 ⁇ 1/2 ⁇ 1/3 ⁇ 1/4 of the thickness of the solid wood board, which greatly eliminates the solid wood stress and prevents warping and deformation, can Control to solid wood stress and warp deformation to a minimum, because thermal expansion and contraction is a normal change of many substances in nature, and wood has a more characteristic, that is, swelling and shrinking, compared to wood, swelling and shrinking is It is much more sensitive and amplitude than the degree of thermal expansion and contraction.
  • the solid wood board will change in three directions when it is swollen and dry, that is, it will be in the width direction and length.
  • the direction and thickness direction change.
  • the length direction is composed of long fibers
  • the length change is very small
  • the change value of the reaction is relatively small, for example, the rate of change is 3%.
  • the thickness of the 20mm plate is only 0.6mm, and the change in the thickness direction of the floor is not a phenomenon of extrusion, and there is room for deformation.
  • the joint between the two plates will be less than 3mm, and the ground will bulge, deform and even crush the floor.
  • the novel solid wood floor of the present invention since the solid wood board is divided into a plurality of lattices by a groove on the back (preferably an equally divided lattice), on the one hand, the outward stress of each side has a groove to be strong, On the other hand, the forces cancel each other out and reach equilibrium. Even if they are deformed, they are very small. For example, a 150mm wide plate is divided into 6 grids, each grid is 25mm, the deformation is 2%, and the deformation range is 0.5.
  • the actual width of the whole plate is only 0.5mm, compared with the deformation of the ordinary solid wood plate of 3mm, it is undoubtedly reduced by more than 80%, while the back is pulled back groove After that, it actually reduces the thickness of the plate indirectly, because the thicker the board is, the greater the internal stress is. After the board is thinned, the internal stress is correspondingly reduced, and the stress between the back unit area blocks such as small squares cancels each other out. , the internal stress of the wooden board can be relatively balanced, therefore, under the same circumstances, the same temperature and humidity change, the solid wood board of the utility model is more deformed in the deformation direction than the ordinary solid wood board. Small, more adaptable to wet and temperature differences.
  • the deformation is the same as that of the ordinary solid wood board. Even if the groove is provided on the composite floor, the warping deformation problem cannot be solved because each layer of wood is There is solid wood stress, so the groove of the layer cannot change the solid wood stress of other layers of wood.
  • a swelling and shrinkage occurs, the deformation naturally occurs; for a solid solid wood floor and the aforementioned ordinary solid wood board, it is known from the previous analysis. In the event of swelling and shrinkage, the deformation is more serious. Therefore, it is necessary to cut the groove to reduce the stress.
  • the impact resistance and strength requirements must be met, and the thickness must be increased.
  • the depth is 1/5 ⁇ 1/2 of the thickness of the solid wood board, which is equivalent to reducing the stress of the 2/3 ⁇ 1/2 thickness part of the solid wood board, and the remaining part of the solid wood stress in the PVC board (adhesion) and the solid wood board itself
  • the performance of the dry state is overcome and controlled. Therefore, the floor of the present invention not only ensures the advantages of the solid solid wood floor of the floor, but also greatly reduces the thickness, and saves a lot of wood.
  • the cost is reduced, wherein the back surface of the solid wood board is formed by the groove in the length direction and the width direction to form a block-shaped unit area block, which not only processes the single cylinder but also reduces the solid wood stress, thereby effectively preventing warpage and deformation.
  • the block is circular and/or a circular block or a prism
  • the solid stress is more balanced, and the block-shaped unit block is overcome to generate new stress at the corner position, and the groove is
  • the depth can be reduced, so that the thickness of the whole board is also reduced, the wood is further saved, and further reduced, and the warpage resistance and deformation resistance are more effective under the same thickness.
  • the utility model can coordinate and match the parameters of the spacing distance of the groove, the size of the groove, the thickness of the solid wood board and the thickness of the PVC board, thereby solving the problem of warping deformation of the solid wood floor and deforming the single solid wood floor. Warp to a minimum.
  • the degree of bonding between the PVC board and the solid wood board directly affects the control of the warping deformation caused by the solid wood stress of the remaining part of the PVC board, especially the ground often has moisture, the bonding is not strong, and the PVC board is lost.
  • the utility model has the advantages that the PVC sheet and the solid wood board of the utility model are fixedly connected by the solventless polyurethane glue and the curing agent, and the problem is solved effectively.
  • the solventless polyurethane glue and the curing agent can both dry the wood and bond the PVC. Board with solid wood panels.
  • the solvent-free polyurethane adhesive it cannot be used for plastics such as PE and PP, and people will therefore exclude PVC from PE and PP, but use other adhesives, but these adhesives are not strong. Especially in the case of ground moisture, it quickly loses its viscosity. Therefore, the scope of use specified in the manual of the utility model is a good solution to the problem of strong bonding between the PVC board and the solid wood board.
  • the bottom surface of the PVC board that is, the surface in contact with the ground, is formed into a honeycomb structure.
  • the honeycomb structure also forms a partial void with the floor or the rubber layer, and has the same effect as the hollow sound insulating glass, and has the effect of damping and sound absorbing.
  • the honeycomb structure of the PVC plate is also Like the octopus sucker, the floor and the ground have more friction and adsorption, which increases its anti-slip ability and reduces the displacement of the floor.
  • the warpage deformation coefficient is different, so it is also necessary to solve the problem of deformation warpage between the new solid wood floors, if there is a gap between the straight flat portions on the side of the panel between the two PVC boards and two solid wood boards.
  • the gap between the end faces is too large, which contributes to the monolithic solid wood If the plate is stressed and warped, if it is too small, it may cause cracking and affect the service life of the entire wooden floor.
  • a gap must be left between the bottom surfaces of the floors.
  • the moisture When the ground has moisture, the moisture is from The gap enters the ground and causes the swelling of the floor to affect the service life of the floor.
  • the oblique curved surface portions on the oblique sections between the two PVC boards are connected and connected, which is equivalent to the solid wood boards.
  • the bottom surface forms a sealed compartment, so that even if there is moisture on the ground, it cannot enter the solid wood layer through the PVC board, thereby completely eliminating the swelling deformation of the solid wood caused by moisture on the ground.
  • a gap of 0.2 to 0.3 MM is provided between the straight plane portions on the side of the panel between the two PVC boards, the accommodation space for the fine particles is reserved, and the influence of the fine particles on the flatness between the floors is reduced;
  • a gap of 0.4 - 0.6MM is provided between the end faces on the bottom side of the plate, and a space for swelling and contraction between the two solid wood plates is reserved.
  • the utility model combines the advantages of the solid wood floor with the PVC board, so that the new solid wood floor provided by the utility model has the following advantages:
  • Structure tube stable size, no deformation, anti-warping, moisture-proof, waterproof, environmental protection, sound-absorbing and noise-proof, suitable for floor heating, thermal insulation, and low thermal expansion coefficient, stable, quick installation and installation, with special environmentally friendly floor glue It can be used after 24 hours.
  • the width of the specification can only be 3 inches wide and can be 5 inches to 7 inches.
  • Inch ⁇ 5 inches The length can be more than 7 feet.
  • the thickness is usually 3/4 inches.
  • the thickness of wood is usually 3/8 inches.
  • Noise reduction the noise generated when using is only 30 decibels, which is more than half of the noise of ordinary solid wood flooring.
  • the deformation is smaller, the stress is mutually offset by the groove, so that its deformation can be compared with the solid wood composite, solving a big problem that is trapped in the user of the solid wood floor.
  • the installation is more economical and convenient. Usually, the keel is installed when installing the solid wood floor, and the professional technician is used. However, the floor of the utility model is installed, and the keel is not needed, so the installation cost can be saved.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Floor Finish (AREA)

Abstract

一种实木地板，由单层的实心的实木板（1）和PVC板（2）构成，PVC板（2）与实木板（1）之间固定连接，在实木板（1）的背面通过均匀间隔开的凹槽（11）成型为单元面积块，实木板（1）在温度为40〜60°C下真空干燥后含水率为5%〜8%且厚度为8〜20mm，PVC板（2）厚度为2〜5mm，每个凹槽（11）的深度是实木板（1）厚度的1/5〜1/2。该实木地板结构简单，尺寸稳定，不变形，防翘曲，防潮，防水，环保，吸音防噪，适宜地暖，导热保温，且热膨胀系数小，稳定，安装施工简单快捷。

Description

一种新型实木地板
技术领域
本实用新型涉及地板， 特别是涉及新型实木地板。
背景技术
实木地板是用木材直接加工而成的地板， 是最传统和古老的地板。 实木 地板又叫原木地板， 具有无污染、 花纹自然、 典雅高贵、 富质感性、 弹性真 实等优点， 是目前家庭室内装潢中地板铺设的首选材料。 然而实木地板因资 源少， 造价高， 而且实木地板存在易伸缩、 裂缝、 不防潮、 不防蛀， 阻燃性 能差等缺陷， 而且干燥要求较高， 不宜在湿度变化较大的地方使用， 否则易 发生胀、 缩变形， 故实木地板影响了使用效果和使用寿命， 特别是变形翘曲 是很难解决的难题。
实木复合地板的外观有着与实木地板相同的漂亮木材纹理， 尺寸稳定性 好， 易于铺设和维护。 塑胶地板（地板革）属于十分低端的产品， 主要成分 为塑胶， 怕火、 易老化， 使用寿命很短。
瓷砖不防滑且质地冰凉， 保养起来也麻烦， 极容易脏而且， 瓷砖很重， 安装比较费劲， 且安装后很难挪走， 不可重复利用。 实用新型内容
本实用新型的目的就在于针对现有技术存在的不足，提供一种结构筒单， 尺寸稳定， 不易变形， 防翘曲， 防潮， 吸音， 环保， 易安装， 使用寿命长的 新型实木地板。
本实用新型的目的通过以下技术方案来实现。
本实用新型的一个方面是提供一种新型实木地板， 该新型实木地板可以 由实木板和 PVC板构成， PVC板与实木板之间可以固定连接，在实木板的背 面， 即实木板与 PVC板相连接的面， 可以通过均匀间隔开的凹槽成型为单元 面积块，所述实木板厚度为 8 ~ 20mm, PVC板厚度 2 ~ 5mm,每个凹槽的深度 是实木板厚度的 1/5 ~ 1/2。
实木板是在温度为 40 ~ 60 °C下真空干燥。
PVC板厚度可以为 2 ~ 5mm。
所述单元面积块为方块形、 圆形、 圆环形积块或棱形。
相同方向且相邻凹槽之间的距离可以是 10 - 300MM, 凹槽宽度可以是
1 ~ 5MM。
长度方向的凹槽的间隔可以是 10 ~ 80MM,宽度方向的间隔可以是 30 ~ 300MM。
单元面积块可以为圆形和 /或圆环形或棱形。
PVC板与实木板之间可以通过无溶剂型聚氨酯胶及固化剂固定连接， 在 实木板相对的两端之一端可以设有拼接榫， 另一端可以设有与拼接榫相配合 连接的拼接凹槽。
PVC板的相对的侧面可以设有相同的斜断面。
斜断面可以由斜曲面部分和直平面部分构成， 直平面部分设在斜曲面部 分的一端和 /或两端， 两块新型实木地板拼接时两 PVC板间的斜断面上的斜 曲面部分之间接触连接，位于两 PVC板间面板侧的直平面部分之间可以设有 0.2 ~ 0.3MM的间隙， 两实木板的底面侧的端面之间可以设有 0.4 ~ 0.6MM的 间隙。
所述斜曲面部分包括两段或两段以上弧面， 弧面顺滑连接。
所述 PVC板的底面， 即与地面接触的面， 可以成型为蜂窝结构。
本实用新型将实木地板的优点和 PVC板的优点结合起来， 具有如下优 点：
1 )有天然材色、 年轮和纹理， 自然美观， 具突出的视觉效果； 弹性好， 磨擦系数小， 脚感舒适； 有良好的保温、 导热、 隔音、 吸音、 绝缘性能； 用 旧后可经过刨削、 除漆后再次油漆翻新。
2 )绿色环保， 面板是天然再生的木材， 用最合理的尺寸及加工工艺， 达 到实木地板的最佳效果。 PVC板的背板， 是指与地面接触的面， 主要原料是 聚氯乙烯， 聚氯乙烯是环保无毒的可再生资源。
3 )重量轻， 实木地板面层成绝干状态， PVC材料具良好的可塑性， 且材 料的稳定性能良好， 本身的重量轻， 整个地板可做得很薄。
4 )耐磨， 有很好的弹性和抗冲击性能， 能最大限度的降低地面对人体的 伤害， 并可以分散对足部的冲击。
5 ) 防滑： PVC板的背板设有防滑纹理， 与地面接触稳定， 不易位移。
6 ) 防火阻燃： PVC板的背板本身不会燃烧并且能阻止燃烧。
7 )防水防潮， 吸音防噪： PVC板的背板有普通地面材料无法相比吸音效 果， 其吸音可达 20分贝， 所以在需要安静的环境如医院病房、 学校图书馆、 报告厅、 影剧院等选 PVC板， 您再也不需要为高跟鞋与地面敲击的声响影响 您的思维而烦恼了， 实木与 PVC的结合能够为您提供更为舒适、 更加人性化 的生活环境。
9 )抗菌性能： PVC板的表面经过特殊的抗菌处理，一些性能优异的 PVC 板的表面还增加了抗菌剂， 对绝大多数细菌都有较强的杀灭能力和抑制细菌 繁殖的能力,铺装地面不会发霉生菌。
10 )拼接筒单容易并且在 PVC板的背板的四个端面（长边、 短边）设有 曲面的防潮气进入廓形， 采用实木复合地板的铺装方式即可。
11 )安装施工快捷， 安装施工非常快捷， 不用水泥砂浆， 地面条件好的 用专用环保地板胶粘合， 24小时后就可以使用。
12 )可以实现个性化订制。 配以丰富多彩的附料和装饰条， 能组合出绝 美的装饰效果。
13 )耐酸碱腐蚀， 导热保暖： PVC的背板导热性能良好， 散热均匀， 且 热膨胀系数小， 比较稳定而面层的实木具有良好的保暖及热均勾的特点。 适 用于有地暖的场所。
14 )保养方便且环保可再生。
附图概述
图 1为本实用新型实木地板实施例板面结构意图；
图 2为本实用新型实木地板实施例侧面结构示意图 （一） ； 图 3为本实用新型实木地板实施例侧面结构示意图 （二） ； 图 4为本实用新型实木地板相邻两块地板拼装后的结构示意图； 图 5为图 4之 A处放大结构示意图。
本实用新型的较佳实施方式
如附图及在以下被讨论的， 本实用新型申请的目的是提供一种新型实木 地板， 该新型实木地板可以由实木板和 PVC板构成， 下面结合附图对本实用 新型实木地板作进一步详细描述： 如图 1〜图 3所示， 本实用新型实木地板 由实木板 1和 PVC板 2构成， PVC板 2与实木板 1之间固定连接， 在实木板 1的背面通过均匀间隔开的凹槽 11成型为单元面积块， 实木板 1可以在温度 为 40 ~ 60 °C下真空干燥后含水率 5% ~ 8%且厚度可以为 8 ~ 20mm, 其中优选 值是 7 ~ 15mm, PVC板 2的厚度为 2 ~ 5mm, 每个凹槽 11的深度是实木板 1 的厚度的 1/5 ~ 1/2,其中优选值是 1/3 ~ 1/4。其中本实用新型采用真空干燥技 术， 使所述实木板含水率精准， 可达到 5% ~ 7%, 最佳值为 6%, 视不同木种 而定， 部分硬木含水率必须在 5%以下， 甚至可以使木材达到绝干的状态， 地 板平衡、 稳定， 品质更有保障。
实木板 1的背面的通过间隔开的凹槽成型为的单元面积块， 其优选的方 式可以为， 在实木板 1的背面通过长度方向和宽度方向的凹槽成型为例如方 块形单元面积块， 相同方向且相邻所述凹槽之间的距离可以选择在 10 ~ 300MM之间， 凹槽宽度可以为 1 ~ 5MM。 其中最佳方式是， 在长度方向的凹 槽的间隔选择在 10 ~ 80MM之间，宽度方向的间隔选择在 30 ~ 300MM之间。 其中单元面积块， 如下文中详细讨论的， 其目的之一是为了防止变形和扭曲， 因此， 单元面积块可以是能够实现此目的的任意的形状， 例如， 除了方块形 夕卜， 可以为圆形和 /或圆环形单元面积块， 也可以为菱形单元面积块， 也可以 为多种形状的混合单元面积块。
本实用新型所述实木板 1是指原木板， 不是由一层一层木板粘接而成的 实木复合板， 由两块以上的木板粘接而成的实木复合板不是本实用新型所指 实木板， 本实用新型所指实木板是直接从树木筒上切割成型的木板块， 中间 没有任何的木板与木板之间的粘接。 在 PVC板 2的底面成型为蜂窝结构。
PVC板 2与实木板 1之间通过无溶剂型聚氨酯胶及固化剂固定连接， 在 实木板 1相对的两端之一端设有拼接榫 12, 另一端设有与拼接榫 12相配合 连接的拼接凹槽 13。
下面是本实用新型所述凹槽 11的间隔距离、 凹槽尺寸、 实木板 1的厚度 和 PVC板 2的厚度各参数相互协调搭配的实施例：
实施例 1 : 实木板 1厚度 10mm, PVC板厚度 2mm, 每个 EJ槽的 EJ槽深 度 3·0 ~ 3·5ΜΜ、 凹槽宽度 2ΜΜ。
实施例 2: 实木板厚度 12mm, PVC板厚度 2mm, 每个凹槽的凹槽深度 6MM、 凹槽宽度 3MM。
实施例 3: 实木板厚度 13mm, PVC板厚度 4mm, 每个凹槽的凹槽深度 5 或 6MM、 凹槽宽度 3MM。
实施例 4: 实木板厚度 15mm, PVC板厚度 3.5或 5mm, 每个凹槽的凹槽 深度 7MM、 凹槽宽度 4MM。
在实木板 1的长边和 /或短边两端的 PVC板 2的侧面设有相同的斜断面， 即是在 PVC板 2的相对的两个侧面， 或者是四个侧面均设有斜断面。 如图 4 和图 5所示， 斜断面包括斜曲面部分 212和直平面部分 211 , 斜曲面部分 212 由两段或两段以上弧面顺滑连接而成， 直平面部分 211设在斜曲面部分的一 端和 /或两端， 呈 "S" 形的轮廓形， 两块新型实木地板拼接时两 PVC板间的 斜断面上的斜曲面部分 212之间接触连接， 接缝成严实状态， 这样可以防止 水、 潮气进入实木板内的间隙空腔， 故达到了防水防潮气的目的。 在位于两 PVC板间面板侧的直平面部分之间设有间隙 21 , 间隙值为 0.2 ~ 0.3MM, 两 实木板底面侧的端面之间设有间隙 22 , 间隙值为 0.4 ~ 0.6MM的间隙， 该间 隙 22较佳值 0.40, 或者 0.45 , 或者 0.5或 0.8。 两实木板底面侧的端面是指 与 PVC板连接侧的端面， 且与 PVC板底侧面的斜断面的内侧对齐的端面。 在两实木板的拼接榫凸起顶面与对应拼接凹槽底之间也设有间隙 23。 由于预 留了单块实木板的热胀冷缩的空间， 所以能够有效防止整个拼接好的地板变 形与翘曲， 同时又增强了拼接好的地板的美观性能。 本实用新型的实木地板具有如下优点：
1 ) 由于本实用新型所述实木板在温度为 40 ~ 60 °C下真空干燥后含水率 5% ~ 8%, 这样使得实木板处于或接近于绝干状态， 实木板的干裂减少， 实木 板的应力小， 从而减小了变形程度。
2 ) 实木板的厚度为 8 ~ 20mm,PVC板厚度 2 ~ 5mm, 这样比普通的由一 块实木板构成的地板要薄， 但符合国家标准规定的实木地板的性能要求， 在 本实用新型中如果实木板太厚， PVC板太薄， 易于变形， 吸音效果、 防潮防 水效果变差， 特别是 PVC板太薄， 地面不平整时， PVC板则不能起到緩冲效 果， 造成铺装时的麻烦， 影响整体地板面的平整性美观； 如果实木板的太薄， PVC板太厚， 实木部分的弹性模量达不到标准要求， 影响耐冲击性能及地板 强度。 在抗冲击与地板的强度方面不符合国家标准规定中的实木地板的性能 要求。
3 )由于在实木板的背面通过均匀间隔开的凹槽成型为单元面积块， 而且 所述实木板在温度为 40 ~ 60 °C下真空干燥后含水率 5% ~ 8%且厚度为 7 ~ 15mm, PVC板厚度 2 ~ 5mm,每个凹槽的深度是实木板厚度的 1/5 ~ 1/2 ~ 1/3 ~ 1/4, 这样大大消除了实木应力且防翘曲与变形， 可以控制到实木应力及翘曲 变形到最小， 因为热胀冷缩是自然界很多物质的正常变化， 而木材更多了一 个特性， 那就是湿胀干缩， 相对于木材来说， 湿胀干缩是比热胀冷缩的程度 要敏感和幅度上要大得多， 是影响木材尺寸变化的最大因素， 实木板在湿胀 和干缩时会在三个方向产生变化， 即会在宽度方向、 长度方向、 及厚度方向 产生变化。 而在这三个变化中， 由于长度方向是由长纤维组成， 长度变化非 常小， 而在厚度方面， 因为木板相对较薄， 反应出的变化值也相对较小， 例 如变化率为 3%, 厚 20mm的板， 厚度变化也仅为 0.6mm, 而且做为地板来说 厚度方向的变化是不会产生挤压的现象， 有变形的空间。 而宽度方向的变形 会有较大的影响， 而且因木材的生产年限不一， 木材因生长时不会很直， 各 部位的密度不一致， 就会产生一块板各方向变形不一致， 而产生湿胀干缩的 幅度不一而导致板面的变形和扭曲。 但如果在板背上开了本实用新型所述的 纵横交错的背槽 （凹槽） ， 情况就会发生根本性的改变。 普通实木板（湿胀 时的情况） ： 如果按 2%的系数膨胀宽为 150mm的板， 宽度变化会在 3mm, 即会变成 153mm, 如应用在地板上， 两片板之间的分缝小于 3mm, 地面将会 隆起、 变形， 甚至挤坏地板。 而本实用新型所述新型实木地板， 由于实木板 在背部通过槽将其分为多个格子后 （优选为等分的格子） ， 一方面， 各方的 向外应力有沟槽可以御力， 另一方面， 各力之间相互抵消， 可达到平衡状态， 即使变形， 也是很微小， 例如 150mm宽的板， 分为 6格之后， 每格为 25mm, 变形为 2%, 其变形幅度为 0.5mm, 而另一方向有沟槽， 实际整片板的宽度变 形也仅为 0.5mm,相对于前述普通实木板 3mm的变形来说， 无疑减少了 80% 以上的变形， 同时背面拉了背槽后， 实际上是间接的减少了板的厚度， 因为 木板越厚内部的应力就越大， 木板变薄后， 其内部应力相应减少， 而且由于 背部单元面积块如小方块之间的应力相互抵消， 可使木板内部应力达到相对 平衡， 因此， 在同等情况下， 同等的温度及湿度变化， 本实用新型所述实木 板比普通实木板在变形方向上变形更小， 更能适应湿差、 温差。 而对于实木 复合地板即由多层木板压合而成的地板， 其变形同样与普通实木板一样， 即 便在复合地板也设置凹槽， 依然无法解决这种翘曲变形问题， 因为各层木板 均存在实木应力， 因此该层凹槽无法改变其它层木板的实木应力， 当一发生 湿胀与干缩时， 变形自然产生； 对于单块实心的实木地板及前述普通实木板， 由前面分析知其一旦发生湿胀与干缩时， 变形更为严重， 为此， 也必须开槽 削减应力， 但为了符合国家标准， 即必须满足抗冲击与强度要求， 必须增加 厚度， 这样势必造成浪费， 增加成本， 而且地面不平时， 实木板与地面干性 接触， 造成铺装麻烦， 而且当地面有湿气时直接进入实木板， 铺装后的地板 受湿气的影响发生湿胀变形， 而当地面干燥时又发生干缩变形， 湿胀变形与 干缩变形的交替发生， 直接影响实木地板的使用寿命。 而采用本实用新型所 述结构及尺寸数据， 特别是 W槽的深度取值 （直接影响实木应力及翘曲变形 的大小与实木板的厚度取值)， 采用本实用新型规定的每个 W槽的深度是实木 板厚度的 1/5 ~ 1/2, 相当于消减了实木板 2/3 ~ 1/2厚度部分的应力， 剩余部 分的实木应力在 PVC板（粘接力）及实木板本身绝干状态所具有的性能作用 下得到克服与控制， 因此本实用新型所述的地板既保证了地板具有单块实心 的实木地板的优点， 在厚度方面也大大减小， 节省了大量的木材， 降低了成 本， 其中实木板背面通过长度方向和宽度方向的凹槽成型方块形单元面积块 的方案， 既加工筒单， 又消减了实木应力， 有效防止了翘曲与变形。 而单元 面积块为圆形和 /或圆环形积块或棱形时， 除了消减了实木应力更趋于均衡， 同时也克服了方块形单元面积块在转角位处产生新的应力， 而且凹槽的深度 可以减小， 使得整块木板的厚度也减小， 木材进一步节省， 进一步降低， 在 相同厚度的情况下， 其抗翘曲与抗变形性能更加有效。 由此可见， 本实用新 型通过凹槽的间隔距离、 凹槽尺寸、 实木板厚度和 PVC板厚度各参数相互协 调搭配， 很好解决了实木地板翘曲变形的难题， 使单块实木地板的变形翘曲 到最小。
4 )其中 PVC板与实木板之间粘接牢固程度直接影响 PVC板对剩余部分 的实木应力引起的翘曲变形的控制， 特别是地面经常有湿气， 粘接不牢固， 便失去了 PVC板的功能， 而本实用新型 PVC板与实木板之间通过无溶剂型 聚氨酯胶及固化剂固定连接， 有效解决了这个问题， 无溶剂型聚氨酯胶及固 化剂既能干燥木材， 又能粘接 PVC板与实木板。 但在无溶剂型聚氨酯胶的说 明书中规定不能用于 PE、 PP等塑料， 而人们会因此由 PE、 PP而定式思维的 将 PVC也排除， 而采用其他粘胶， 但这些粘胶都不牢固， 特别是遇有地面湿 气， 很快就失去粘性， 故本实用新型力排说明书规定的使用范围， 很好的解 决了 PVC板与实木板之间牢固粘接问题。
5 ) PVC板底面， 即与地面接触的面， 成型为蜂窝结构， 当地面不平时， PVC板的蜂窝结构及其弹性性能， 方便了这种不平地面的铺装。 蜂窝结构同 时也会和地板或胶层形成部分空洞， 而起到和中空隔音玻璃一样的效果， 起 到减振及吸音的功效， PVC板除了作为减振层的吸音作用外， 其蜂窝结构还 像章鱼的吸盘， 使地板和地面有更多的摩擦力和吸附力， 从而增加了它的防 滑能力， 减少地板的位移。
6 )本实用新型中在两块新型实木地板拼接时两 PVC板间的斜断面上的 斜曲面部分之间接触连接， 位于两 PVC板间面板侧的直平面部分之间设有 0.2 ~ 0.3MM的间隙， 两实木板底面侧的端面表层之间设有 0.4 ~ 0.6MM的间 隙， 解决了整个木地板的变形翘曲问题， 因为在不同的环境温度和湿度下， 单块实木地板的应力及翘曲变形系数不同， 因此还需要解决这种整体性即各 块新型实木地板之间的变形翘曲问题，如果位于两 PVC板间面板侧的直平面 部分之间设有的间隙及两实木板的端面之间的间隙太大， 助长了单块实木地 板的应力及翘曲变形， 如果太小， 有可能发生胀裂， 影响整个木地板的使用 寿命。 然而在现有的实木地板或复合木地板中， 为了保证面板上各地板拼接 缝隙最小 （或无缝连接） ， 必须在各地板底面之间留有间隙， 当地面有湿气 时， 湿气从缝隙进入地引起湿胀而影响地板的使用寿命， 而本实用新型， 由 于两块新型实木地板拼接时两 PVC板间的斜断面上的斜曲面部分之间接触连 接， 即相当于各实木板的底面形成一密封隔层， 这样即便地面有湿气， 也无 法通过 PVC板进入实木板层，从而完全消除了因地面有湿气引起的实木湿胀 变形。 其中在位于两 PVC板间面板侧的直平面部分之间设有 0.2 ~ 0.3MM的 间隙， 预留了微小颗粒的容纳空间， 减小微小颗粒对地板之间的平整性的影 响； 在两实木板底面侧的端面之间设有 0.4 - 0.6MM 的间隙， 预留了两实木 板之间的湿胀干缩变形空间。
工业实用性
本实用新型通过将实木地板的优点和 PVC板的有点结合起来，使得本实 用新型所提供的新型实木地板具有如下的优点：
结构筒单， 尺寸稳定， 不变形， 防翘曲， 防潮， 防水， 环保， 吸音防噪， 适宜地暖， 导热保温， 且热膨胀系数小， 稳定,安装施工筒单快捷,用专用环保 地板胶粘合， 24小时后就可以使用。
下面是本实用新型与普通实木地板比较结果：
对比项 普通实木地板 本实用新型所述新型实木地板
不具静音效果 安静到只有 30分贝
静音效果
楼下常有邻居投诉 楼上楼下关系融洽
不防潮不防震 防潮防震
防潮效果
容易变形扭曲 不易变形扭曲
不易安装须打龙骨及 和实木复合地板安装一样极易安装， 安装难易
需要专业人员安装 安装费用大为降低 地热 普遍不能用于地热 可以适用于地热环境 规格 宽度通常只能做到 3英 宽度可以做到 5英寸〜 7英寸
寸〜 5英寸 长度可以做到 7英尺以上 成本 厚度常在 3/4英寸，木材的 厚度常在 3/8英寸，左右木材利用
利用率低， 成本较高 率较高，成本较低
节约能源 需要损耗更多木材资源 节约木材资源， 更为绿色环保
此外， 由上述描述， 可以进一步得出本实用新型所述技术方案还具有如 下技术效果：
1、 更经济， 它的用料比普通实木更节约， 同样的材料使用率比普通实木 提高一倍以上。
2、 降噪， 使用时产生的噪音只有 30分贝， 比普通的实木地板噪音降低 了一半以上。
3、 防潮， 由于使用 PVC做底层， 同时边部用 S型的线条， 使得水份难 以上传， 对地板起到更加的防潮保护。
4、 变形更小， 通过凹槽实现应力的相互抵消， 使得它的变形可以和实木 复合相比美， 解决了困绕在实木地板使用者身上的一大难题。
5、 安装更为经济便捷， 通常使用实木地板安装时需装龙骨， 用专业的技术人 员， 而安装本实用新型所述地板则筒单很多， 不需要龙骨， 因而可以节省该 安装费用。

Claims

权 利 要 求 书
1、 一种新型实木地板， 其特征在于： 所述新型实木地板由实木板和 PVC板构成，所述 PVC板与所述实木板之间固定连接，在所述实木板的背面 通过间隔开的凹槽成型为单元面积块，所述实木板厚度为 8 ~ 20mm,PVC板厚 度 2 ~ 5mm, 每个凹槽的深度是实木板厚度的 1/5 ~ 1/2。
2、 根据权利要求 1所述的新型实木地板，其特征在于： 所述实木板是 在温度为 40 ~ 60 °C下真空干燥。
3、 根据权利要求 2所述的新型实木地板，其特征在于：相同方向且相 邻所述凹槽之间的距离是 10 ~ 300MM, 凹槽宽度是 1 ~ 5MM。
4、 根据权利要求 3所述的新型实木地板，其特征在于： 长度方向的凹 槽的间隔是 10 ~ 80MM , 宽度方向的间隔是 30 ~ 300MM。
5、 根据权利要求 1所述的新型实木地板，其特征在于： 所述单元面积 块为方块形、 圆形、 圆环形积块或棱形。
6、 根据权利要求 1 ~ 4任一权利要求所述的新型实木地板， 其特征在 于：所述 PVC板与所述实木板之间通过无溶剂型聚氨酯胶及固化剂固定连接， 所述实木板的相对的两端之一端设有拼接榫， 另一端设有与拼接榫相配合连 接的拼接凹槽。
7、 根据权利要求 6权利要求所述的新型实木地板，其特征在于： 所述 PVC板的相对的侧面设有相同的斜断面。
8、 根据权利要求 7权利要求所述的新型实木地板，其特征在于： 所述 斜断面包括斜曲面部分和直平面部分， 所述直平面部分设在所述斜曲面部分 的一端和 /或两端， 两块新型实木地板拼接时两 PVC板间的斜断面上的斜曲 面部分之间接触连接，位于两 PVC板间的面板侧的直平面部分之间设有 0.2 ~ 0.3MM的间隙， 两实木板的底面侧的端面之间设有 0.4 ~ 0.6MM间隙。
9、 根据权利要求 8权利要求所述的新型实木地板，其特征在于： 所述 斜曲面部分包括两段或两段以上弧面， 所述弧面顺滑连接。
10、 根据权利要求 1所述的新型实木地板， 其特征在于： 所述 PVC板 的底面成型为蜂窝结构。
PCT/CN2012/070081 2012-01-05 2012-01-05 一种新型实木地板 WO2013102305A1 (zh)

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FR3022936A1 (fr) * 2014-06-25 2016-01-01 F G I Sas Module de revetement de sol et un ensemble modulaire de revetement de sol associe
CN105863212A (zh) * 2016-03-24 2016-08-17 湖州南浔森可优木制品加工厂 一种实木多层框架地板及其制造方法

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