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BACKGROUND OF THE PRESENT INVENTION 
       [0001]    1. Field of Invention 
         [0002]    The present invention relates to a multifunctional decorative board, and more particularly to stone material for ground or a ceramic tile. 
         [0003]    2. Description of Related Arts 
         [0004]    The present invention provides a multifunctional decorative board. The process of paving flooring usually conflicts with the process of paving heating or cooling pipes. The pipes are usually damaged by correlative operations, and the layer of heating or cooling pipes often occupies a large height. In this way, the energy will be transmitted twice, which causes a long heating time, serious lag of warming, long working time, and large energy loss. In addition, conventional process of paving flooring is complex, and has serious problems of long construction period, poor construction quality, and waste of materials. 
         [0005]    To solve the above problems, it is necessary to develop a new decorative board, to simplify the construction process. The decorative board is integrated with the heating or cooling pipes to increase construction efficiency of architecture decoration and construction quality. The new decorative board is manufactured by composite technology. The surface layer of the decorative board is made of rare natural material, and the bottom layer is made of synthetic board. Therefore, the decorative board has light weight and appropriate thickness, and is easy to manufacture and transport. The decorative board saves natural resources. 
       SUMMARY OF THE PRESENT INVENTION 
       [0006]    An object of the present invention is to provide a buckle-connecting multifunctional decorative board. A decorative board body is assembled with pipes via buckles, in such a manner that assembly and disassembly become easier, and efficiency of floor heating or cooling is increased. The buckle-connecting multifunctional decorative board has chambers for receiving pipes, and takes the place of conventional raised floor. 
         [0007]    When the buckle-connecting multifunctional decorative board is used on outdoor roof, heating pipes are received in the chambers. When the outdoor roof is covered by accumulated snow, hot media is injected into the pipes to melt the accumulated snow. Conversely, when the buckle-connecting multifunctional decorative board on the roof is heated by summer sunlight, cold water is injected into the pipes, in such a manner that the roof is cooled and the water is heated. The heated water can be used in daily life. The buckle-connecting multifunctional decorative board has wide application. 
         [0008]    Accordingly, in order to accomplish the above objects, the present invention provides a buckle-connecting multifunctional decorative board, comprising a decorative board body, an A connecting end, a B connecting end, a pipe chamber, a pipe. The A connecting end and the B connecting end are respectively provided on two sides of the decorative board body. A pair of embedding tenon and embedding groove, first and second horizontal position limiting buckles, first and second receiving grooves is provided at the connecting ends. The first and second receiving grooves has longitudinal openings matching with each other, in such a manner that the first and second receiving grooves cooperatively define a receiving chamber for receiving the pipe, after the decorative boards are assembled. The embedding tenon is convex in general, and the embedding groove is concave in general. The embedding tenon and embedding groove engage to prevent the decorative board from move up and down. The first and second horizontal position limiting buckles are respectively concave and convex. The first and second horizontal position limiting buckles respectively have side walls which are inclined, in such a manner that the first horizontal position limiting buckle enters the second horizontal position limiting buckle conveniently at a certain angle. Each of the first and second horizontal position limiting buckles has a leading cambered surface, in such a manner that the first and second horizontal position limiting buckles engage smoothly, and the first and second horizontal position limiting buckles will not be damaged by extrusion force between the side walls when disassembling. In addition, the first and second horizontal position limiting buckles control height of assembling, and assembling accuracy is guaranteed. The opening of the first receiving groove is upward, and the opening of the second receiving groove is downward. The first and second receiving grooves have sections in shape of arc, the arc of the first receiving groove is longer than the arc of the second receiving groove, in such a manner that the pipe can be received in the first receiving groove in advance, and assembly will not be disturbed by the pipe which is curving and out of the first receiving groove. The first and second receiving grooves are usually not too big, otherwise, heat conduction rate will be decreased. Therefore, it is difficult to pass the whole pipe through the first and second receiving grooves. In this way, the decorative boards engage with each other tightly without other elements. The pipe is received in the first and second receiving grooves provided inside the decorative board, so thickness of paving is reduced. 
         [0009]    Another object of the present invention is to provide a buckle-connecting multifunctional decorative board, comprising a pair of locking elements provided at two sides of the buckle-connecting multifunctional decorative board. The locking elements are connected with the buckle-connecting multifunctional decorative board to form a whole. The locking elements are for locating the buckle-connecting multifunctional decorative board to avoid deviation of inclination angle, in such a manner that each of the buckle-connecting multifunctional decorative boards is installed in a same height. 
         [0010]    Another object of the present invention is to provided a buckle-connecting multifunctional decorative board, which has a simple structure and low cost. 
         [0011]    In order to attain the above objects, the present invention provides a buckle-connecting multifunctional decorative board, comprising: 
         [0012]    a decorative board body; 
         [0013]    first and second receiving grooves having longitudinal openings, provided at said two sides of said decorative board body; longitudinal connectors provided at two sides of the buckle-connecting multifunctional decorative board; 
         [0014]    a pipe or a cable, wherein said pipe is used as or comprises a heating element, a cooling element, and the cable is a power transmitting element or a signal transmitting element; and 
         [0015]    two connecting ends, provided at two sides of the buckle-connecting multifunctional decorative board, wherein first and second receiving grooves having longitudinal openings are provided at the connecting ends, the first and second receiving grooves match with each other, in such a manner that the first and second receiving grooves cooperatively define a receiving chamber for receiving the pipe, the pipe contact with the decorative board body, energy is transmitted from the pipe to the decorative board, in such a manner that temperature of the decorative board is changed effectively. 
         [0016]    The connecting ends have a pair of mutual inserting elements, wherein the mutual inserting elements comprises a groove locking element and a tenon locking element, the locking elements have first and second horizontal locating planes, when the groove locking element engages with the tenon locking element, the pipe and the decorative board are connected as a whole tightly, the locking elements control height and angle of assembling of the decorative board to guarantee that each of the buckle-connecting multifunctional decorative boards is installed in a same height. 
         [0017]    The first and second receiving grooves have sections in shape of arc, the arc of the first receiving groove is longer than the arc of the second receiving groove, in such a manner that the pipe can be received in the first receiving groove in advance, and assembly will not be disturbed by the pipe which is curving and out of the first receiving groove. 
         [0018]    The second receiving groove has at least one extending concave provided at one side of the second receiving groove. Thus, when the decorative board is assembled in a certain angle, the extending concave spares space for adjusting vertical position of the decorative board, to avoid collision between the decorative boards, and simplify assembling of the decorative boards. 
         [0019]    If the pipe provided in the decorative board is used as the heating element or the cooling element, the pipe is able to change the temperature of the decorative board. The pipe also can receive the power transmitting element or the signal transmitting element, and the application of the decorative board is widened. 
         [0020]    These and other objectives, features, and advantages of the present invention will become apparent from the following detailed description, the accompanying drawings, and the appended claims. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0021]      FIG. 1  is a perspective view of a ground heating flooring with internal heat conduction structure according to a preferred embodiment of the present invention. 
           [0022]      FIG. 2  is a local section of the ground heating flooring with internal heat conduction structure according to the above preferred embodiment of the present invention. 
           [0023]      FIG. 3  is a schematic diagram of installing at a side of the ground heating flooring with internal heat conduction structure according to the above preferred embodiment of the present invention. 
           [0024]      FIG. 4  is an alternative mode of the upper and lower F-shaped locking members of the ground heating flooring with internal heat conduction structure according to the above preferred embodiment of the present invention. 
           [0025]      FIG. 5  is a perspective view of buckle-connecting multifunctional decorative boards according to a first preferred embodiment of the present invention. 
           [0026]      FIG. 6  is a sectional view of the buckle-connecting multifunctional decorative boards according to the first preferred embodiment of the present invention. 
           [0027]      FIG. 7  is a sectional view of the buckle-connecting multifunctional decorative boards according to a second preferred embodiment of the present invention. 
           [0028]      FIG. 8  is a sectional view of the buckle-connecting multifunctional decorative boards according to a third preferred embodiment of the present invention. 
           [0029]      FIG. 9  is a sectional view of the buckle-connecting multifunctional decorative boards according to a fourth preferred embodiment of the present invention. 
           [0030]      FIG. 10  is a sectional view of the buckle-connecting multifunctional decorative boards according to a fifth preferred embodiment of the present invention. 
       
    
    
     DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT 
       [0031]    Referring to  FIGS. 1 to 3  of the drawings, a ground heating flooring with internal heat conduction structure according to a preferred embodiment of the present invention is illustrated. The ground heating flooring comprises a flooring body  10 , a plurality of heat conduction mediums  20 , a heating pipe  30 , an upper locking member  40  and a lower locking member  50 . 
         [0032]    Each of the heat conduction mediums  20 , provided within the flooring body  10 , one end of which contacts with the heating pipe  30 , in such a manner that a heat within the heating pipe  30  is conducted directly and distributed rapidly all around the flooring to prevent the heat out of the flooring. 
         [0033]    The upper locking member  40 , provided at a side of the flooring body  10 , defines an upper protruding supporting cavity  41 . The lower locking member  50 , provided at an opposite side of the flooring body  10 , defines a lower concaved supporting cavity  51 , wherein the heating pipe  30  is provided transversely within the lower concaved supporting cavity  51 . When an upper locking member  40  of a flooring is engaged with a lower locking member  50  of an adjacent flooring, the upper protruding supporting cavity  41  is fitted into the lower concaved supporting cavity  51  for forming an accommodating chamber to receive the heating pipe  30  therein so that the heating pipe  30  is inserted into two adjacent floorings. As a result, a heat is conducted directly from the heating pipe  30  to each of the heat conduction mediums  20 , and distributed rapidly all round of the flooring so as to increase effectively a temperature of the flooring to avoid the heat loss out of the flooring. Furthermore, the heating pipe  30  is inserted into two adjacent floorings to reduce a pavement thickness of the flooring. 
         [0034]    Furthermore, the upper locking member  40  is F-shaped, a vertical cross-section of which is downwards thwart F-shaped. Accordingly, the lower locking member  50  is F-shaped, a vertical cross-section of which is upwards thwart F-shaped, in such a manner that the upper locking member  40  of a flooring is engaged with the lower locking member  50  of an adjacent flooring during a flooring procedure to sufficiently position the heating pipe  30  within the accommodating chamber and lock up two adjacent ground heating floorings. 
         [0035]    Furthermore, each of the heat conduction mediums  20  is aligned with each other to conduct the heat directly from the heating pipe  30  to each of the heat conduction mediums  20 , and distributed rapidly all round of the flooring so as to increase effectively a temperature of the flooring to avoid the heat loss out of the flooring. 
         [0036]    It is worth to mention that the upper protruding supporting cavity  41  and the lower concaved supporting cavity  51  can be arched, square, trapezoidal or the like, as shown in  FIG. 4 . 
         [0037]    Furthermore, the ground heating flooring further comprises a heat insulation layer  60  provided at a bottom of the flooring body  10  and the lower locking member  50  to reduce a heat loss. 
         [0038]    In the above preferred embodiment of the present invention, each of the heat conduction mediums  20  consists of Nanometer Aluminum Nitride powder, Nanometer Carbon Fiber powder and resin, or consists of a wire, net or slice made of metal or alloy, and resin. Also, each of the heat conduction mediums can be other materials with good thermal conductivity. 
         [0039]    In the above preferred embodiment of the present invention, the heat insulation layer  60 , made of porous silicon dioxide insulation composite, consists of SiO 2 , TiO 2 , Al 2 O 3 , Fe 2 O 3 , FeO, MnO 3 , CaO, MgO, K 2 O, and Na 2 O. Also, the heat insulation layer is made of other composite materials with good thermal insulation property. 
         [0040]    In the above preferred embodiment of the present invention, the ground heating flooring with internal heat conduction structure without thermal insulation materials having harmful chemical components, such as a polystyrene board, reduces the volatilization of harmful substance to provide a fine environment. 
         [0041]    Furthermore, the ground heating flooring has a small pavement thickness to comfort the interior space. A pavement thickness of the traditional ground heating flooring is 7-8 cm, but that of the present invention is 1.5-2 cm. 
         [0042]    Referring to  FIG. 5 ,  FIG. 8  and  FIG. 9 , a buckle-connecting multifunctional decorative board, comprises: 
         [0043]    a decorative board body  10 , comprising a surface layer and a base; 
         [0044]    an embedding tenon  11  and an embedding groove  12 , respectively provided at two sides of the decorative board body  10 ; 
         [0045]    first and second horizontal position limiting buckles  13 ,  14 , respectively provided at the two sides of the decorative board body  10 , and cooperatively defining an up-down supporting structure; and 
         [0046]    first and second receiving grooves  31 ,  32 , provided at the two sides of the decorative board body  10 , matching with each other, having longitudinal openings, and cooperatively defining a receiving chamber  30 ; 
         [0047]    wherein the decorative board body  10  has a filling space  40  provided in a bottom thereof, the filling space is concave; 
         [0048]    a pipe or a cable  20  is received in the receiving chamber, wherein the pipe is used as or comprises a heating element, a cooling element, and the cable is a power transmitting element or a signal transmitting element; 
         [0049]    the embedding tenon  11  is convex in general, the embedding groove  12  is concave in general, the embedding tenon  11  and the embedding groove  12  match with each other, in such a manner that one embedding tenon  11  of a decorative board body engages with one embedding groove  12  of an adjacent decorative board body; 
         [0050]    the embedding tenon  11  has a first inclined plane  11   a,  the embedding groove  12  has a second inclined plane  12   a  matching with the first inclined plane  11   a;  when the embedding tenon  11  engages with the embedding groove  12 , the first inclined plane  11   a  is pressed against the second inclined plane  12   a  to support the embedding groove  12  which has a hollow structure; 
         [0051]    a section of the embedding tenon  11  has a front end in a shape of a peak, in such a manner that available space between the embedding tenon  11  and the embedding groove  12  is increased, and the embedding tenon  11  is able to enter the embedding groove  12  more easily, when the decorative board bodies  10  are assembled; 
         [0052]    the embedding tenon  11  further has a concave  11   c  provided on a upper surface thereof, in such a manner that a top space  11   cc  is formed to further increase available space; thus, a position of the decorative board body  10  is able to be adjusted to avoid that sides and corners of the decorative boards collide with each other; 
         [0053]    the first and second horizontal position limiting buckles  13 ,  14  respectively have side walls  13   a,    14   a  which are inclined, and first and second horizontal locating planes  13   b,    14   b;  when the first horizontal position limiting buckle  13  and the second horizontal position limiting buckle  14  engage with each other, and the embedding tenon  11  and the embedding groove  12  for limiting up-down position engage with each other, the two side walls  13   a,    14   a  limit horizontal movement of the decorative boards, in such a manner that adjacent decorative boards are connected tightly to form a whole; the side walls  13   a  holds the second horizontal position limiting buckle  14  and the decorative board body  10 , in such a manner that splitting between adjacent decorative boards due to shrink of materials is avoided, and assembling distances between end faces of the decorative boards are controlled; in addition, the first and second horizontal locating planes  13   b,    14   b  bear weights of objects on the decorative board body  10 , in such a manner that inner structures of the decorative boards are more stable; meanwhile, the first and second horizontal position limiting buckles  13 ,  14  has an effect of sealing, the first and second horizontal position limiting buckles  13 ,  14  prevent humidity from entering the decorative boards to cause damage; 
         [0054]    when the first and second horizontal position limiting buckles  13 ,  14  engage with each other, the first and second receiving grooves  31 ,  32 , provided at the two sides of the decorative board body  10  and having corresponding openings, cooperate to define the receiving chamber  30 , the receiving chamber  30  receives the pipe  20 , in such a manner that energy in the pipe  20  is transmitted to the decorative board body  10 , and then spread to surfaces of the decorative board; thus, temperature of the decorative board is changed, heat radiates to indoor space; the first and second receiving grooves  31 ,  32  have sections in shape of arc, and the arc of the first receiving groove  31  is longer than the arc of the second receiving groove  32 . 
         [0055]    Referring to  FIG. 5  and  FIG. 8 , when the embedding tenon  11  and the embedding groove  12  engage with each other, and the first and second horizontal position limiting buckles  13 ,  14  engage with each other, the first and second receiving grooves  31 ,  32 , provided at the two sides of the decorative board body  10  and having corresponding openings, cooperate to define the receiving chamber  30 . If the opening of the first receiving groove  31  is upward, the opening of the second receiving groove  32  is downward. If the opening of the first receiving groove  31  is leftward, the opening of the second receiving groove  32  is rightward. Preferably, the opening of the first receiving groove  31  is upward, in such a manner that the pipe  20  enters the first receiving groove  31  in a top-down direction. The first receiving groove  31  has a limiting bar  31   b  for preventing the pipe  20  which is curving and flexible from being out of the first receiving groove  31  and then disturbing assembly. Thus, the second receiving groove  32  is assembled conveniently. The second receiving groove  32  has at least one extending concave  32   a  provided at one side of the second receiving groove  32 , for sparing a space for top portion of the pipe  20  in the first receiving groove  31 , when the decorative board is assembled in a certain angle, in such a manner that assembling the decorative board becomes more convenient. In addition, the extending concave  32   a  also spares space for adjusting vertical position of the decorative board, to avoid collision between the decorative boards, and simplify assembling of the decorative board. 
         [0056]    Referring to  FIG. 6 , the first side wall  13   a,  close to an opening, helps the second horizontal position limiting buckle  14  to insert in the first horizontal position limiting buckle  13  in a certain angle. When the first horizontal locating plane  13   b  completely engages with the second horizontal locating plane  14   b,  assembling of the decorative board is finished. 
         [0057]    Referring to  FIG. 6 , the first horizontal position limiting buckle  13  has a leading cambered surface  13   c  provided in a top portion thereof, and the leading cambered surface  13   c  is streamlined. The second horizontal position limiting buckle  14  has a leading cambered surface  14   c  provided in a bottom portion thereof, and the leading cambered surface  14   c  is streamlined. Therefore, convex portion of the second horizontal position limiting buckle  14  is easy to enter and get out of concave portion of the first horizontal position limiting buckle  13 , and extrusion force between the side walls  13   a,    14   a  is decreased to protect the decorative board from damage. 
         [0058]    The pipe  20  is for transmitting medium, and the medium is usually water. 
         [0059]    Referring  FIG. 9 , surface layer of the decorative board is made of tile or marble. The filling space  40  is provided in the bottom of the decorative board body for filling adhesive  41 , such as foam cement, foam glue, and cement mixing materials  41 . When the decorative board achieves a certain height, an operator knocks another end of the decorative board gently to compact the adhesive, in such a manner that the decorative board adheres to ground or wall tightly. The decorative board is applicable for rough ground, because the filling space  40  is able to eliminate height difference and simplify construction process. Further, a plurality of bars  40   a  having sections in shape of triangle are provided on a surface of the bottom of the decorative board, in such a manner that contact area is increased when compacting the decorative board, and the bottom is easier to press into the adhesive  41  because of sharp angles of the bars, to contact with the adhesive  41  fully. The bars  40   a  is made of thermal insulation material, such as EPS foam resin board and magnesium oxide foam board. Therefore, parts of the decorative board are easy to manufacture, and the bar has strong resistance to pressure to prevent the ground from collapse due to aging of materials. 
         [0060]    Referring to  FIG. 9 , a pair of magnets  50 ,  51  having mutual attraction are respectively provided at the two sides of the decorative board body  10 , in such a manner that the magnet pulls the decorative board and further drives the embedding tenon  11  to get close to the embedding groove  12 , until the first inclined plane  11   a  engages with the second inclined plane  12   a.  Then, assembling of the decorative board is finished. 
         [0061]    Referring to  FIG. 7˜9 , the first receiving groove  31  comprises a stud  31   a  provided at a bottom thereof for jacking up the pipe  20  received in the first receiving groove  31 , in such a manner that an interspace  31   cc  is formed, and contact area between the pipe  20  and the decorative board body is decreased. An aluminum foil reflecting film  31   c  is coated on surface of the bottom of the first receiving groove  31  for reflecting energy back to the pipe  20 , reducing heat loss, and further saving energy. The interspace  31   cc  is for leading condensate water on a wall of the first receiving groove  31  to flow to an edge of the decorative board, and then flow out of the decorative board body  10 , in such a manner that the decorative board is protected. 
         [0062]    The stud  31   a  comprises a heat tracing cable provided therein for heating the pipe  20 . Thus, a problem of frozen liquid in the pipe  20  is solved. When the decorative board is used outdoors, temperature of liquid will be decreased at end of the pipe  20 , because the pipe  20  is long. The liquid may be even frozen and hard to melt, which will cause damage to the pipe  20 ; and the heat tracing cable protects the pipe  20  from the damage. 
         [0063]    Referring to  FIG. 5  and  FIG. 10 , the decorative board body  10  is in a shape of board or other shape  11 , such as shape of tile, which is applicable for outdoor roof. The decorative board body  10  has a longitudinal chamber in any shape provided therein for insulating heat, in such a manner that manufacturing materials are saved. 
         [0064]    One skilled in the art will understand that the embodiment of the present invention as shown in the drawings and described above is exemplary only and not intended to be limiting. 
         [0065]    It will thus be seen that the objects of the present invention have been fully and effectively accomplished. Its embodiments have been shown and described for the purposes of illustrating the functional and structural principles of the present invention and is subject to change without departure from such principles. Therefore, this invention includes all modifications encompassed within the spirit and scope of the following claims.

Summary:
A buckle-connecting multifunctional decorative board, which can be applied on indoor ground, outdoor roof, or walls, comprises buckles provided at two sides thereof, and a tube-like chamber. The buckles simplify assembling of the decorative boards. The tube-like chamber receives a pipe or a cable. Therefore, a plurality of assembling operations can be finished at once to save construction time. The buckle-connecting multifunctional decorative board has functions of adjusting indoor temperature, receiving the pipe, melting snow on the roof, and heating water. The buckle-connecting multifunctional decorative board can be applied widely.