Abstract:
The present invention discloses portable sound equipment, and particularly relates to multifunctional portable sound equipment which comprises an equipment body, wherein the equipment body is mainly composed of a box body and a box cover capable of being folded and unfolded; a heat preservation cavity is arranged in the box body; and a sealing cover of the box cover is connected to an opening of the heat preservation cavity. The present invention solves a technical problem to enable the portable sound equipment to have multiple functions, has the functions of three categories of the sound system, the heat preservation box and the dining table as well as some other auxiliary functions, and well integrates the above functions into the portable sound equipment.

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
       [0001]    This application is a continuation of International Patent Application No. PCT/CN2015/093217 with a filing date of Oct. 29, 2015, designating the United States, now pending, and further claims priority to Chinese Patent Application No. 201510022130.X with a filing date of Jan. 16, 2015. The content of the aforementioned applications, including any intervening amendments thereto, are incorporated herein by reference. 
     
    
     TECHNICAL FIELD 
       [0002]    The present invention relates to a portable sound equipment, and particularly relates to a multifunctional portable sound equipment. 
       BACKGROUND OF THE PRESENT INVENTION 
       [0003]    Portable sound equipment, also known as mobile sound equipment, is a music player that integrates a power amplifier, a player and a loudspeaker. 
         [0004]    With the increase of modern living rhythm of people, more and more urban people choose to do outdoor exercise, such as field camping, picnic, exploration, etc. together with families or friends at weekends, so as to adjust self mental pressure. At the time of doing the above outdoor exercise, people often take the above portable sound equipment, so that the whole outdoor exercise is always accompanied by sweet music. 
         [0005]    However, existing portable sound equipment has a technical defect of too single functionality. Therefore, further improvement is necessary. 
       SUMMARY OF PRESENT INVENTION 
       [0006]    The purpose of the present invention is to solve the above technical defect so as to provide multifunctional portable sound equipment having a heat preservation storage function and capable of being used as a dining table. 
         [0007]    To realize the above purpose, the multifunctional portable sound equipment designed in the present invention comprises an equipment body, wherein the equipment body is mainly composed of a box body and a box cover capable of being folded and unfolded; a heat preservation cavity is arranged in the box body; and a sealing cover of the box cover is connected to an opening of the heat preservation cavity. 
         [0008]    In the box body of multifunctional portable sound equipment provided above, the heat preservation cavity is arranged to be used for cold storage or heat storage of food and beverages; and meanwhile, since the box cover on the box body can be randomly unfolded and folded, when the above box cover is unfolded, it can be used as a dining table, to realize convenience and quickness. 
         [0009]    The surrounding wall of the heat preservation cavity is made of efficient heat preservation material, wherein the efficient heat preservation material includes two categories: inorganic material and organic material, which including polyurethane foam, polyphenyl board, phenolic foam, aerogel blanket, glass wool, rock wool, expanded perlite, and micro-nano heat insulating plate, etc. which can be correspondingly selected by people according to specific use conditions. 
         [0010]    As a preferred technical solution, the box cover capable of being folded and unfolded has a specific structure as follows: the box cover is mainly composed of a box cover substrate and at least one box cover panel, a sealing cover of the box cover substrate is connected to an opening of the heat preservation cavity, the box cover panel is located above the box cover substrate, circumferential parts of the box cover panel and the box cover substrate are in a hinged structure, and relative to the box cover substrate, the box cover panel can turn around a hinging shaft at 180°. 
         [0011]    The box cover capable of being folded and unfolded in the above preferred technical solution has a simple specific structure and is convenient and quick in use. As a further preferred solution, the number of the box cover panels is preferably two, and the two box cover panels are symmetrically located above the box cover substrate. 
         [0012]    When articles are taken from the heat preservation cavity, to avoid excessive air ventilation between the heat preservation cavity and the outside and ensure heat preservation performance of the heat preservation cavity, an article taking opening is arranged on the box cover substrate, and a covering cap capable of sealing and covering the article taking opening is hinged on an opening edge of the article taking opening. 
         [0013]    Through the box cover substrate designed in the above structure, people not only can conveniently take out articles from the heat preservation cavity through the article taking opening on the box cover substrate, but also can effectively avoid excessive air ventilation of the heat preservation cavity with the outside, thereby prolonging an effective heat preservation period of the heat preservation cavity. 
         [0014]    To store different food materials according to categories, a middle separating plate for separating the heat preservation cavity into at least two independent chambers is arranged in the heat preservation cavity. As a further preferred technical solution, an installation structure of the middle separating plate is designed into a drawing-inserting type structure, i.e., a guidance slot is formed in an inner wall of the heat preservation cavity, and then the middle separating plate is inserted along the guidance slot when the middle separating plate is required to separate the heat preservation cavity. 
         [0015]    At the time of cold storage of ice blocks, food materials and beverages in a heat preservation box, to remove and clean liquid water generated due to temperature rise after long-term cold storage in time, a drainage passage communicated with the heat preservation cavity is also arranged on the box body; the drainage passage is located below a back surface of the box body; and a sealing cover is additionally arranged on a passage opening of the drainage passage. 
         [0016]    To facilitate stable and convenient placement of some portable digital products such as a tablet personal computer or a mobile phone, etc. on the box cover of the portable sound equipment, and to adjust placing angles of the placed portable digital products, a turning supporting seat is additionally arranged on the box cover panel; the turning supporting seat comprises a seat plate used for placing the tablet personal computer or the mobile phone, and a supporting plate capable of being accommodated in the seat plate; one side end part of the supporting plate is hinged on the seat plate; at least one stopping groove is arranged in the box cover panel; the stopping grooves are arranged in a direction of a turning track of the turning supporting seat according to a distance away from the turning supporting seat; and when the supporting plate is in a used state, the other side end part is embedded into any one of the stopping grooves. 
         [0017]    To facilitate convenient and safe storage of the mobile phone in the box body of the portable sound equipment, a power amplification operating window is arranged on a front surface of the box body; at least one mobile phone accommodating opening is arranged on an inner surface of the power amplifier operating window; and a turning window covering cap capable of sealing the power amplifier operating window is hinged on an outer window edge of the power amplifier operating window. 
         [0018]    Besides a series of functions of a general sound power amplifier, the power amplifier operating window preferably has a wireless generator, a Bluetooth generator and a battery USB charging interface, so that the portable sound equipment provided in the present invention can provide wireless and Bluetooth signals for the portable digital products, and can also perform emergency charging for the portable digital products during outdoor use. 
         [0019]    For the convenience of moving the portable sound equipment during outdoor use, a pull rod component is fixed on the back surface of the box body; the pull rod component is in a centering structure; and at least one pair of rollers is arranged on a bottom surface of the box body. The above pull rod component is preferably selected from a telescopic pull rod component. 
         [0020]    Finally, a cutlery is detachably fixed on an inner surface of the box cover substrate in the portable sound equipment structure. A wine opener, a microphone and a flashlight are detachably fixed on a back surface of the box body; and at least one limiting groove used for placing a cup or bottle is arranged in the box cover panel. At least one pair of hook holes is arranged on the bottom surface of the box body; surfaces on both sides are provided with notches facilitating hand grasp of a user when the user needs to move the portable sound equipment; the notches on the surfaces on both sides mutually correspond to each other; a grid mesh is arranged on an edge of each notch; a gap is arranged above the grid mesh. Of course, in an actual production process of a product, the above auxiliary functions can be appropriately added or reduced according to specific production requirements. 
         [0021]    The multifunctional portable sound equipment obtained in the present invention has the functions of three categories of the sound system, the heat preservation box and the dining table as well as some other auxiliary functions, and well integrates the above functions into the portable sound equipment. At the time of going out to do the outdoor sports, people only need to bring the multifunctional portable sound equipment provided in the present invention, so as to enjoy high-quality outdoor life easily and conveniently. 
     
    
     
       DESCRIPTION OF THE DRAWINGS 
         [0022]      FIG. 1  is a structural schematic diagram  1  of multifunctional portable sound equipment provided in embodiment 1. 
           [0023]      FIG. 2  is a structural schematic diagram  2  of multifunctional portable sound equipment provided in embodiment 1. 
           [0024]      FIG. 3  is a structural schematic diagram of a box body in multifunctional portable sound equipment provided in embodiment 1. 
           [0025]      FIG. 4  is a structural schematic diagram  1  of multifunctional portable sound equipment provided in embodiment 2. 
           [0026]      FIG. 5  is a structural schematic diagram  2  of multifunctional portable sound equipment provided in embodiment 2. 
           [0027]      FIG. 6  is a structural schematic diagram of an equipment body and a middle separating plate after disassembly in multifunctional portable sound equipment provided in embodiment 3. 
           [0028]      FIG. 7  is a structural schematic diagram of an equipment body and a middle separating plate after assembly in multifunctional portable sound equipment provided in embodiment 3. 
           [0029]      FIG. 8  is a structural schematic diagram of multifunctional portable sound equipment provided in embodiment 4. 
           [0030]      FIG. 9  is a structural schematic diagram  1  of multifunctional portable sound equipment provided in embodiment 5. 
           [0031]      FIG. 10  is a structural schematic diagram  2  of multifunctional portable sound equipment provided in embodiment 5. 
           [0032]      FIG. 11  is a structural schematic diagram of multifunctional portable sound equipment provided in embodiment 6. 
           [0033]      FIG. 12  is a structural schematic diagram of multifunctional portable sound equipment provided in embodiment 7. 
           [0034]      FIG. 13  is a structural schematic diagram of multifunctional portable sound equipment provided in embodiment 8. 
           [0035]      FIG. 14  is a structural schematic diagram of multifunctional portable sound equipment provided in embodiment 9. 
           [0036]      FIG. 15  is a structural schematic diagram of multifunctional portable sound equipment provided in embodiment 10. 
           [0037]      FIG. 16  is a structural schematic diagram of multifunctional portable sound equipment provided in embodiment 11. 
           [0038]      FIG. 17  is a structural schematic diagram of multifunctional portable sound equipment provided in embodiment 12. 
           [0039]      FIG. 18  is a structural schematic diagram of multifunctional portable sound equipment provided in embodiment 13. 
           [0040]      FIG. 19  is a structural schematic diagram  1  of a box cover in multifunctional portable sound equipment provided in embodiment 14. 
           [0041]      FIG. 20  is a structural schematic diagram  2  of a box cover in multifunctional portable sound equipment provided in embodiment 14. 
       
    
    
       [0042]    In the figures: box body  1 ; box cover  2 ; heat preservation cavity  3 ; pull rod component  4 ; roller  5 ; box cover substrate  6 ; box cover panel  7 ; article taking opening  8 ; covering cap  9 ; guidance slot  10 ; middle separating plate  11 ; drainage passage  12 ; sealing cover  13 ; support plate  14 ; stopping groove  15 ; power amplification operating window  16 ; mobile phone accommodating opening  17 ; cutlery  18 ; wine opener  19 ; microphone  20 ; flashlight  21 ; limiting groove  22 ; hook hole  23 ; notch  24 ; grid mesh  25 ; gap  26 ; USB charging interface  27 ; box cover main plate  28 ; box cover auxiliary plate  29 ; connecting column  30 ; clearance  31 ; window cover  32 ; seat plate  33 ; first scale  34 ; and second scale  35 . 
       DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS 
       [0043]    The present invention is further described below in combination with drawings and embodiments. 
       Embodiment 1 
       [0044]    As shown in  FIGS. 1-3 , the multifunctional portable sound equipment provided in the present embodiment comprises an equipment body, wherein the equipment body is mainly composed of a box body  1  and a box cover  2  capable of being folded and unfolded; a heat preservation cavity  3  is arranged in the box body  1 ; and a sealing cover of the box cover is connected to an opening of the heat preservation cavity  3 . A pull rod component  4  is fixed on the back surface of the box body  1 ; the pull rod component  4  is in a centering structure; and at least one pair of rollers  5  is arranged on a bottom surface of the box body  1 . 
         [0045]    The box cover  2  capable of being folded and unfolded has a specific structure as follows: the box cover  2  is mainly composed of a box cover substrate  6  and at least one box cover panel  7 , wherein the box cover substrate  6  is hinged to the opening of the heat preservation cavity  3 , and can be turned and opened relative to the opening edge of the heat preservation cavity  3 ; however, when the box cover substrate  6  with the above structure is covered on the opening edge of the heat preservation cavity  3 , the above heat preservation cavity  3  can be completely sealed. The two box cover panels  7  are located above the box cover substrate  6 . The two box cover panels  7  are in a mutually symmetrical structure. Respective peripheral parts are hinged with the box cover substrate  6 , and relative to the box cover substrate  6 , the box cover panels  7  can turn around respective hinging shafts at 180°. After the above two box cover panels  7  are completely unfolded, the two box cover panels  7  and the box cover substrate  6  form a smooth dining table surface. 
         [0046]    In the multifunctional portable sound equipment provided above, the heat preservation cavity  3  is formed in the box body  1 ; the heat preservation cavity  3  can be used for cold storage or heat storage of food and beverages; and meanwhile, since the box cover  2  on the box body  1  can be randomly unfolded and folded, after the above box cover  2  is unfolded, the box cover  2  can be used as a dining table, to realize convenience and quickness. 
       Embodiment 2 
       [0047]    The multifunctional portable sound equipment provided in the present embodiment has a general structure consistent with that of the embodiment 1. However, when articles are taken from the heat preservation cavity  3 , to avoid excessive air ventilation of the heat preservation cavity  3  with the outside and to ensure heat preservation performance of the heat preservation cavity  3 , as shown in  FIG. 4  and  FIG. 5 , in the multifunctional portable sound equipment provided in the present embodiment, an article taking opening  8  is arranged on the box cover substrate  6 , and a covering cap  9  capable of sealing and covering the article taking opening  8  is hinged on an opening edge of the article taking opening  8 . 
       Embodiment 3 
       [0048]    The multifunctional portable sound equipment provided in the present embodiment has a general structure consistent with that of the embodiment 2. However, to store different food materials according to categories, as shown in  FIG. 6  and  FIG. 7 , in the multifunctional portable sound equipment provided in the present embodiment, a guidance slot  10  is formed in an inner wall of the heat preservation cavity  3 , and a middle separating plate  11  for separating the heat preservation cavity  3  into two independent chambers is inserted into the guidance slot  10 . 
       Embodiment 4 
       [0049]    The multifunctional portable sound equipment provided in the present embodiment has a general structure consistent with that of the embodiment 3. However, at the time of cold storage of ice blocks, food materials and beverages in the heat preservation box, to remove and clean liquid water generated due to temperature rise after long-term cold storage in time, as shown in  FIG. 8 , in the multifunctional portable sound equipment provided in the present embodiment, a drainage passage  12  communicated with the heat preservation cavity  3  is also arranged on the box body  1  in the structure; the drainage passage  12  is located below a back surface of the box body  1 ; and a sealing cover  13  is additionally arranged on a passage opening of the drainage passage  12 . 
       Embodiment 5 
       [0050]    The multifunctional portable sound equipment provided in the present embodiment has a general structure consistent with that of the embodiment 4. However, to facilitate stable and convenient placement of some portable digital products such as a tablet personal computer or a mobile phone, etc. on the box cover  2  of the portable sound equipment, and to adjust placing angles of the placed portable digital products, as shown in  FIG. 9  and  FIG. 10 , in the multifunctional portable sound equipment provided in the present embodiment, a turning supporting seat is additionally arranged on the box cover panel  7  in the structure; the turning supporting seat comprises a seat plate  33  used for placing the tablet personal computer or the mobile phone, and a supporting plate  14  capable of being accommodated in the seat plate  33 ; one side end part of the supporting plate  14  is hinged on the seat plate  33 ; a plurality of stopping grooves  15  are arranged in the box cover panel  7 ; the plurality of stopping grooves  15  are arranged in a direction of a turning track of the turning supporting seat according to a distance away from the turning supporting seat; and when the supporting plate  14  is in a used state, the other side end part is embedded into any one of the stopping grooves  15 . 
       Embodiment 6 
       [0051]    The multifunctional portable sound equipment provided in the present embodiment has a general structure consistent with that of the embodiment 5. However, to facilitate convenient and safe storage of the mobile phone in the box body  1  of the portable sound equipment, as shown in  FIG. 11 , in the multifunctional portable sound equipment provided in the present embodiment, a power amplification operating window  16  is arranged on a front surface of the box body  1  in the structure; a mobile phone accommodating opening  17  is arranged on an inner surface of the power amplification operating window  16 ; and a turning window covering cap  32  capable of sealing the power amplification operating window  16  is hinged on an outer window edge of the power amplification operating window  16 . 
       Embodiment 7 
       [0052]    The multifunctional portable sound equipment provided in the present embodiment has a general structure consistent with that of the embodiment 6, as shown in  FIG. 12 . However, in the multifunctional portable sound equipment provided in the present embodiment, a cutlery  18  is detachably fixed on an inner surface of the box cover substrate  6  in the portable sound equipment structure. 
       Embodiment 8 
       [0053]    The multifunctional portable sound equipment provided in the present embodiment has a general structure consistent with that of the embodiment 7, as shown in  FIG. 13 . However, in the multifunctional portable sound equipment provided in the present embodiment, a wine opener  19 , a microphone  20  and a flashlight  21  are detachably fixed on a back surface of the box body  1  in the structure. 
       Embodiment 9 
       [0054]    The multifunctional portable sound equipment provided in the present embodiment has a general structure consistent with that of the embodiment 8, as shown in  FIG. 14 . However, in the multifunctional portable sound equipment provided in the present embodiment, a pair of limiting grooves  22  used for placing cups or bottles is arranged in the box cover panel  7  in the structure. 
       Embodiment 10 
       [0055]    The multifunctional portable sound equipment provided in the present embodiment has a general structure consistent with that of the embodiment 9, as shown in  FIG. 15 . However, in the multifunctional portable sound equipment provided in the present embodiment, a pair of hook holes  23  is arranged on the bottom surface of the box body  1  in the structure. 
       Embodiment 11 
       [0056]    The multifunctional portable sound equipment provided in the present embodiment has a general structure consistent with that of the embodiment 10, as shown in  FIG. 16 . However, in the multifunctional portable sound equipment provided in the present embodiment, surfaces on both sides of the box body  1  in the structure are provided with notches  24  facilitating hand grasp of a user when the user needs to move the portable sound equipment; the notches  24  on the surfaces on both sides mutually correspond to each other; a grid mesh  25  is arranged on an edge of each notch  24 ; and a gap  26  is arranged above the grid mesh  25 . 
       Embodiment 12 
       [0057]    The multifunctional portable sound equipment provided in the present embodiment has a general structure consistent with that of the embodiment 11, as shown in  FIG. 17 . However, in the multifunctional portable sound equipment provided in the present embodiment, a USB charging interface  27  is additionally arranged on a side surface of the box body  1  in the structure. 
       Embodiment 13 
       [0058]    The multifunctional portable sound equipment provided in the present embodiment has a general structure consistent with that of the embodiment 11, as shown in  FIG. 18 . However, in the multifunctional portable sound equipment provided in the present embodiment, an upper surface of the box cover substrate  6  in the structure is provided with a first scale  34  in centimeter and a second scale  35  in inch. 
       Embodiment 14 
       [0059]    The multifunctional portable sound equipment provided in the present embodiment has a general structure consistent with that of the embodiment 1, as shown in  FIG. 19  and  FIG. 20 . However, in the multifunctional portable sound equipment provided in the present embodiment, the box cover  2  capable of being folded and unfolded in the structure has a specific structure as follows: the box cover  2  comprises two box cover main plates  28  and two box cover auxiliary plates  29 ; the two box cover main plates  28  are in a laminated structure; a clearance  31  is reserved between the two box cover main plates  28  which are fixed with a pair of connecting columns  30  jointly; the two box cover auxiliary plates  29  are movably hinged on one connecting column  30  respectively, and accommodated in the clearance  31  between the two box cover main plates  28 ; and when the box cover  2  needs to be used as the dining table, the user can turn out the box cover auxiliary plates  29  from the clearance  31  between the two box cover main plates  28 .