Patent Publication Number: US-9427759-B2

Title: LED-illuminated water spraying gun

Description:
FIELD OF THE INVENTION 
     The present invention relates to a spray gun structure, especially one with LED light, and the availability to change its water outflow spray function. 
     BACKGROUND OF THE INVENTION 
     Referring to  FIGS. 11 and 12  for the conventional spray gun structure, the spray gun  80  has a spray gun body  81 . The spray gun body  81  in the lateral outlet conduit  82  has an open-ended semi-circular hood  83 . In front of a mesh ring  831 , water flows out from the semi-circular hood  83 . Also, inside the semi-circular hood  83 , there is an illumination device  84  and an interconnected power system  85 . The bottom of the axial of the semi-circular hood  83  formed a tube chamber  832 . There are couple through holes  833  reserved between outside of the tube chamber  832 , and inner edge of the bottom axial. Water flow can be guided through the holes  833  into the hood  83 . There is an outer cover  834  locked at the front portion of the hood  83 . The illumination device  84  is also set at the front portion of the hood  83 . This includes a base  842  of a lighting piece  841 . The two connected onto the guide wire  843  of the lighting piece  841 . One set to the light extension cover  844  of the lighting piece  841  and light cover  845 . The light cover  845  is interlocking with the base  842 . The power system  85  that is installed in the tube chamber  832  included a generator  851 . One end of the generator  851  installed a circuit board  852  to provide the connections of two guide wires  853 . The other end of the generator  851  tied to a drive shaft  854  protruding at the bottom of the tube chamber  832 . A blade disc  86  is connected to the drive shaft  854 . There are a number of curved fan blades  861  to the ring edge near the plate body of the blade disc  86 . Also, there is an inlet plate  87  covered on the blade disc  86 . The inlet plate  87  has a plurality of outlet holes  871 . The outlet holes  871  are to be aligned to fan blade  861  of the blade disc  86 . When water flow is derived from the outlet holes  871 , it is to be guided towards the fan blade  861  of the blade disc  86  from the power system  85 . Trigger the electric power generated by the rotation of the blade disc  86  used as the power source of the illumination device  84 . Water outflow from open end portion of the fan blade  861 , and introduced into hood  83  via the through holes  833 , then export from mesh ring  831  formed as water spraying effects. 
     It is not difficult to find some of the remaining shortages from the above mentioned conventional structure, mainly due to the following reasons: (1) the conventional spray gun  80  has an illumination device  84  and an interconnected power system  85 , without any choice for water spray mode adjustment. The function is way too simple, so that the lack of usability becomes one of its deficiencies; (2) the conventional spray gun  80  cannot be quickly removed into parts, and the blade disc  86  is likely to be stuck with water stain and cannot be cleaned, repaired or replaced, resulting in low durability; (3) water flow from the conventional spray gun  80  direct impacts the blade disc  86  from the outlet hole  871  of the outlet plate  87 . The flow direction is not toward the front of the fan blades  861 , resulting in the flow momentum dispersion offset, which cannot effectively drive fan disc  80  to rotate, and causing poor stability for the power generator  851 , and the lighting piece  841  flashes easily; and (4) the conventional spray gun does not include the water outflow spray adjustment function. 
     Therefore, there remains a need for a new and improved design of a water spraying gun to overcome the problems stated above. 
     SUMMARY OF THE INVENTION 
     The present invention is to address the above-mentioned problems in conventional spray guns by providing a LED light spray gun structure. 
     A grip handle is formed onto the spray gun, and a press button is set on the grip handle. On one end of the grip handle, it is coupled to a rotor and a joint clutch is connected. The central of the joint clutch has an outlet water hole. The press button can control the water spray status. Two blanks convex set at the outer edge of the joint clutch. A horn sharped cover is formed with two of the interlinked large diameter portion and small diameter portion. A joint pipe combined with the small diameter portion, so that the cover can be set with its joint pipe connected to the joint clutch of the spray gun. The inner edge of the joint pipe is provided with two protruding stoppers. The stoppers and a dodge piece set with its joint pipe onto the joint clutch. Then, rotate the joint pipe to form an overlapping position with the stopper and the dodge piece. With this quick connection function, the water spraying gun can be operated more easily by the user. 
     A base at one end formed with a first chamber, and the other end formed with a second chamber. A through hole is formed between the first chamber and the second chamber. The base located inside the cover body. It is interlinked with an outlet water hole, which is fixed to the small-diameter portion by the first chamber. A guide hole, which can be interlinked with the first chamber, is set outside of second chamber of the base. At the end of the guide hole, a piece of washer is installed. The washer is to be used as the purpose of sealing water outflow with the water cover. A down hook portion is set at convex outer edge to the opening of the first chamber. 
     The power supply of a LED light is connected with a power generator. A shaft is extended through the power generator. The LED light to the power generator is set into the second chamber of the base. So the shaft can pass the through hole and be projected out into the first chamber. A set of rotating blades is connected to the shaft at the first chamber, as shown in  FIG. 7 . A magnet rotor is formed inside of power generator connected to the shaft. The outer edge of magnet rotor tied a plurality of stator coils. 
     A diversion piece formed around a ring wall. The ring wall coupled to the base of the first chamber further covered a rotating blade. The diversion piece around the middle of the ring wall projected a plurality of convex portions. A rotation hole is opened as the oblique position in the convex portions. A water outlet is located on the ring wall of the diversion piece. The rotation hole and diversion hole can interflow with the water outlet. Furthermore, the diversion piece formed around the ring wall, has a gap opening. A positioning column is set at the inner edge of the joint pipe in the convex position. The positioning column is to be interposed to a guide notch of the diversion piece. To further position the diversion piece and the opposite location of the joint pipe. The positioning column through the formation of the barrier flap, to control the joint clutch and the joint pipe buckle location. 
     A water cover has a central hole opened at the center of the cover. A lampshade is connected in the center hole. The outlet cover formed a plurality of spray holes in the outer ring at the central hole. The water cover covered the cover of the large diameter portion. The down hook portion of the base formed the fixed cover. The LED light can be drilled in the shade position, further connecting the spray holes with the diversion hole of the base. A stopper hole is set to the base on the other side of the second chamber. The stopper hole is set with a spring and a top block in sequence. The extra potation of the spring is pressed against the top block to the outlet cover. 
     The rotor has a fixed plate, a movable plate and a side cover. The fixed plate integrally formed on the grip handle of the spray gun. The fixed plate is corresponding to a first surface and a second surface. The movable plate can spin and coupled to the first surface. The side-cover covers onto the second surface of the fixed plate. 
     The joint clutch is fixed to the movable plate. A through hole is located in the central opening of the fixed plate. The outlet hole of the joint clutch is passed with the through hole. A sealing ring is provided between the fixed plate and the movable plate. 
     A hole is opened at the second surface of the fixed plate. A screw wears through the hole. The screw is provided to lock the moveable plate, so that a connection is formed by rotating between the fixed disk and the moveable plate. 
     A fixed plate has a plurality of concave grooves at the first surface. The activity disc opened with a slot. A spring and a block are set by the slot in sequence. The top block conflict is formed the fixed plate and a movable plate in the groove of the rotational position. 
     The first objective of the present invention is that, a base at one end formed with a first chamber, and the other end formed with a second chamber. A through hole is formed between the first chamber and the second chamber, so that the power generator of the LED light can be set inside of the first chamber. A magnet rotor is formed inside of power generator connected to the shaft reach the second chamber. The outer edge of magnet rotor tied a plurality of stator coils. By rotating the blade of the magnet rotor to further generate power up this LED light. 
     The diversion hole that is outside of first chamber of the base is connected. The outlet cover covered to the base of the cover body. By rotating the outlet cover, choices of selection to variety of spray holes point to the diversion hole  34  of the base. The action does not affect the usage of the LED light. Furthermore, it provides the LED light system and also available for users to change water spray functions. 
     The second objective of the present invention is that, on one end of the spray gun, a joint clutch is connected. There are two blanks convex set at the outer edge, and two stoppers formed at the inner edge of the joint clutch. The stoppers and a dodge piece set with its joint pipe onto the joint clutch. Then, rotate the joint pipe to form an overlapping position with the stoppers and the dodge piece. The joint pipe can be limited and unable to release the spray gun. With this quick connecting function, it is easy for the user to replace or repair. 
     The third objective of the present invention is that, the diversion piece around the middle of the ring wall projected a plurality of convex portions. A rotation hole is opened as the oblique position in the convex portions. With the flow guide of the convex portion, because the rotation hole is in oblique position, and being pushed with groove guide, the direct impacts of the water flow directly flush the front of the rotary vane, further increasing the pressure to the rotating blades. As the rotational speed and the torque of the rotary blade increases, the stability of the power generation gets more stable. 
     The fourth objective of the present invention is that, the rotor has a fixed plate, a movable plate. The moveable plate is pivoted to the hole of the fixed plate by a screw, so that the through hole of the fixed plate can be connected to the movable plate to the outlet hole of the joint clutch. The movable disk can spin emphasis on the screw as the center of rotation with more and further changes to joint clutch of spray gun relative angle to adjust the water spraying elevation. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         FIG. 1  illustrates a three-dimensional view of the water spraying gun in the present invention. 
         FIG. 2  illustrates an exploded view of the water spraying gun in the present invention. 
         FIG. 3  illustrates a sectional view of the water spraying gun in the present invention 
         FIG. 4  illustrates a schematic view of the connection of the joint clutch and joint pipe in the present invention. 
         FIG. 5  illustrates a first sectional view of the connection of the joint clutch and joint pipe in the present invention. 
         FIG. 6  a second sectional view of the connection of the joint clutch and joint pipe in the present invention. 
         FIG. 7  illustrates a sectional view of the LED light and power generator in the present invention. 
         FIG. 8  illustrates a schematic view of the present invention in use. 
         FIG. 9  is an exploded view of the rotor in the present invention. 
         FIG. 10  is a schematic view of the rotator in action in the present invention. 
         FIG. 11  is an exploded view of a prior art. 
         FIG. 12  is a sectional view of the prior art. 
     
    
    
     DETAILED DESCRIPTION OF THE INVENTION 
     The detailed description set forth below is intended as a description of the presently exemplary device provided in accordance with aspects of the present invention and is not intended to represent the only forms in which the present invention may be prepared or utilized. It is to be understood, rather, that the same or equivalent functions and components may be accomplished by different embodiments that are also intended to be encompassed within the spirit and scope of the invention. 
     Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood to one of ordinary skill in the art to which this invention belongs. Although any methods, devices and materials similar or equivalent to those described can be used in the practice or testing of the invention, the exemplary methods, devices and materials are now described. 
     All publications mentioned are incorporated by reference for the purpose of describing and disclosing, for example, the designs and methodologies that are described in the publications that might be used in connection with the presently described invention. The publications listed or discussed above, below and throughout the text are provided solely for their disclosure prior to the filing date of the present application. Nothing herein is to be construed as an admission that the inventors are not entitled to antedate such disclosure by virtue of prior invention. 
     In order to further understand the goal, characteristics and effect of the present invention, a number of embodiments along with the drawings are illustrated as following: 
     Referring to  FIGS. 1 to 3 , an LED-illuminated water spraying gun may include a spray gun  10 , a cover body  20 , a base  30 , a LED light  40 , a diversion piece  50 , and an water cover  60 . A grip handle  11  is formed onto the spray gun  10 , and a press button  12  is set on the grip handle  11 . On one end of the grip handle  11 , it is coupled to a rotor  70  and a joint clutch  13  is connected. The central of the joint clutch  13  has an outlet water hole  131 . The press button  12  can control the water spray status. There are two blank dodge pieces  132  at the outer edge of the joint clutch  13 . A horn sharped cover body  20  is formed with two of the interlinked large diameter portion  21  and small diameter portion  22 . A joint pipe  23  combined with the small diameter portion  22 . So that the cover body  20  can be set with its joint pipe  23  connected to the joint clutch  13  of the spray gun  10 , please refer to  FIGS. 4, 5, and 6 . The inner edge of the joint pipe  23  is provided with two protruding stoppers  231 . The stoppers  231  and a dodge piece  132  set with its joint pipe  23  onto the joint clutch  13 . Then, rotate the joint pipe  23  to form an overlapping position with the stoppers  231  and the dodge piece  132 . With this quick connection function, the water spraying gun in the present invention become much easier to use. 
     A base  30  at one end formed with a first chamber  31 , and the other end formed with a second chamber  32 . A through hole  33  is formed between the first chamber  31  and the second chamber  32 . The base  30  located inside the cover body  20 . It is interlinked with an outlet water hole  131 , which is fixed to the small-diameter portion  22  by the first chamber  31 . A diversion hole  34 , which can be interlinked with the first chamber  31 , is set outside of second chamber  32  of the base  30 . At the end of the diversion hole  34 , a piece of washer  35  is installed. The washer  35  is to be used as the purpose of sealing water outflow with the water cover  60 . A down hook portion  311  is set at convex outer edge to the opening of the first chamber  31 . 
     The power supply of a LED light  40  is connected with a power generator  41 . A shaft  42  is extended through the power generator  41 . The LED light  40  to the power generator  41  is set into the second chamber  32  of the base  30 . So the shaft  42  can pass the through hole  33  and be projected out into the first chamber  31 . A set of rotating blades  43  is connected to the shaft  42  at the first chamber  31 , as shown in  FIG. 7 . A magnet rotor  411  is formed inside of power generator  41  connected to the shaft  42 . The outer edge of magnet rotor  411  tied a plurality of stator coils  412 . By rotating the blades  43  of the magnet rotor  411  with its relative rotation, the stator coils  412  formed a magnetic cutting line, to further generate power to light up this LED light  40 . 
     A diversion piece  50  formed around a ring wall  51 . The ring wall  51  coupled to the first chamber  31  of the base  30 , further covered a rotating blades  43 . The diversion piece  50  around the middle of the ring wall  51  projected a plurality of convex portions  52 . A rotation hole  53  is opened as the oblique position in the convex portions  52 . A water outlet  511  is located on the ring wall  51  of the diversion piece  50 . The rotation hole  53  and diversion hole  34  can interflow with the water outlet  511 . Furthermore, the diversion piece  50  formed around the ring wall  51 , has a slot  512 . A positioning column  232  is set at the inner edge of the joint pipe  23  in the convex position. The positioning column  232  is to be interposed to a slot  512  of the diversion piece  50 . To further position the diversion piece  50  and the opposite location of the joint pipe  23 . The positioning column  232  through the formation of the dodge piece  132 , to control the joint clutch  13  and the joint pipe  23  buckle location. 
     A water cover  60  has a central hole  61  opened at the central. A light cover  62  is connected in the central hole  61 . The water cover  60  formed a plurality of spray holes  63  in the outer ring at the central hole  61 . The water cover  60  covered the cover body  20  of the large diameter portion  21 . The down hook portion  311  of the base  30  formed the fixed water cover  60 . The LED light  40  can be drilled in the light cover  62  position. Further connecting the spray holes  63  with the diversion hole  34  of the base  30 . A stopper hole  36  is set to the base  30  on the other side of the second chamber  32 . The stopper hole  36  is set with a spring  37  and a top block  38  in sequence. The extra potation of the spring  37  is pressed against the top block  38  to the water cover  60 . A water diversion hole  34  of the water cover  60  is interlinking the spray holes  63  to form the effects with different positioning effect. 
     Referring to  FIGS. 1 to 4 , the shaft  42  of the LED light  40  is disposed into the first chamber  31  within the base  30 , so that the shaft  42  can penetrate the perforations  33  of the base  30 . The rotating blades  43  are to be assembled onto the projections provided in the second chamber  32  of the on the shaft  42 . Furthermore, the diversion piece  50  is to be set into the ring wall  51  at the base  30  of the second chamber  32 . The diversion piece  50  can cover the rotating blades  43 . With the diversion hole  34  of the base  30  connecting to water outlet  511  of the diversion piece  50 . The second chamber  32  of the base  30  connected the joint pipe  23 . As the positioning column  232  of the joint pipe  23  inserted in the slot  512  of the diversion piece  50 , the joint pipe  23 , the diversion piece  50  and the base  30  are positioned relatively. 
     The small diameter portion  22  of the cover body  20  is connected with the joint tube  23 . The cover body  20  can be set outside of the base  30 . Also, a spring  37  and a block piece  38  set up in the block hole  36  of the base  30  in sequent. The diversion hole  34  set a washer  35 . The water cover is set at the large diameter portion of the cover body  20 , so that the down hook portion  311  of the base  30  can set the outlet water cover  60 . Further, a positioning water cover  60  is formed, so that the rotation itself can be controlled. A light cover  62  is set in the central hole  61  of the water cover  60 . The LED light  40  can wear through light cover  62 . Finally, combine the assembled cover body  20 , base  30 , LED light  40 , diversion piece  50 , and water cover  60  into one complete piece. The joint tube  23  has being set to interlock the joint clutch  13  of the spray gun  10 . The block piece  132  of the joint clutch  13  and the block piece  231  of the joint tube  23  using a suitable angel to avoid each other, so that the joint tube  23  is easily interlocking each other, further, to limit the joint tube  23  not to move away the spray gun  10 , and further reach the spray gun  10  quick restructure function. 
     When in use, referring to  FIGS. 2, 7 and 8 , the spray gun  10  can control the open and close of the water outflow by using press button, so that the water flow can outflow through rotor  70  through the outlet water hole  131  of the joint clutch  13 . Also, by using the outlet water hole  131 , the water flow into the second chamber  32  of the base  30 . Further, flowing through the rotation hole  53  of the diversion piece  50 , and flow pass water outlet  511  of the diversion piece  50  and outflow from diversion hole  34  of the base  30 . The spray holes  63  selection makes water spray differently. The water cover  60  can rotate based on the central location of the LED light  40 . The diversion hole  34  has different outlet spray holes  63  to reach variety water spray mode choices. When choosing the water spray mode, the spring  37  can push the block piece  38  towards the water cover  60  for the base  30 . 
     With this positioning status to choose the water cover  60 , here is to explain further. With the flow guide of the diversion piece  50 , because the rotation hole  53  is in oblique position, and being pushed with groove guide, the direct impacts of the water flow directly flush the front of the rotating blades  43 , further increasing the pressure to the rotating blades  43 . As the rotational speed and the torque of the rotating blades  43  increases, the stability of the power generation  41  gets more stable. At the same time, a magnet rotor  411  is formed inside of power generator  41  connected to the shaft  42 . The outer edge of magnet rotor  411  tied a plurality of stator coils  412 , further generate the stator coils  412  power, and directly provide LED light  40  enough electric power. By utilizing the above structure, the present invention is able to change water spray function, without interfering the LED light usage. Therefore, the LED light  40  have both lighting, and interchanging the spray mode dual functions. 
     “Referring to  FIGS. 9 and 10 , the rotor  70  has a fixed plate  71 , a movable plate  72  and a side-cover  73 . The fixed plate  71  integrally formed on the grip handle  11  of the spray gun  10 . The fixed plate  71  is corresponding to a first surface  711  and a second surface  712 . The movable plate  72  can spin and coupled to the first surface  711 . The side-cover  73  covers onto the second surface  712  of the fixed plate  71 . The joint clutch  13  is fixed to the movable plate  72 . A through hole  713  is located in the central opening of the fixed plate  71 . The outlet water hole  131  of the joint clutch  13  is passed with the through hole  713 . A sealing ring  74  is provided between the fixed plate  71  and the movable plate  72 . This is to form the leak-proof effect between the fixed plate  71  and the moveable plate  72 . A hole  714  is opened at the second surface of the fixed plate  71 . A screw  75  wear through the hole  714 . The screw  75  is provided to lock the moveable plate  72 , so that a connection is formed by rotating between the fixed plate  71  and the moveable plate  72 . A fixed plate  71  has a plurality of recessed grooves  715  at the first surface  711 . The activity disc  72  opened with a slot  721 . A spring  76  and a block  77  are set by the slot  721  in sequence. The top block  77  conflicts a recessed grooves  715  formed the fixed plate  71  and a movable plate  72  to rotate its position. As described above, the moveable plate  72  is pivoted to the hole  714  of the fixed plate  71  by a screw  75 . So that the through hole  713  of the fixed plate  71  can be connected to the movable plate  72  to the outlet water hole  131  of the joint clutch  13 . The movable plate  72  can spin emphasis on the screw  75  as the center of rotation with more and further changes to joint clutch  13  of spray gun  10  relative angle to adjust the water spraying elevation.” 
     Comparing with conventional water spraying guns, the present invention is advantageous because the base  30  at one end formed a first chamber  31 , and the other end formed a second chamber  32 . The through hole  33  is formed between the first chamber  31  and the second chamber  32 , interlinked with each other. The power supply of a LED light  40  is connected with a power generator  41  inside the first chamber  31 . The shaft  42  is extended through the power generator  41  into the second chamber  32 . A set of rotating blades  43  is connected to the shaft  42 . By rotating the blades  43  with water flow, the power generator  41  can further generate power to light up this LED light  40 . The water cover  60  covered to the base  30  of the cover body  20 . By rotating the water cover  60 , choices of selection to variety of spray holes  63  point to the diversion hole  34  of the base  30 . The action does not affect the usage of the LED light  40 . Furthermore, it provides the LED light  40  system and also available for users to change water spray functions, and increase its easy usage. 
     Also, on one end of the spray gun, a joint clutch  13  is connected; also, there are two dodge pieces  132  set at the outer edge of the joint clutch  13 . A diversion piece  50  formed around the middle of the ring wall  51  projected a plurality of convex portions  52 . A rotation hole  53  is opened as the oblique position in the convex portions  52 . The inner edge of the joint pipe  23  is provided with two protruding stoppers  231 . The stoppers  231  and a dodge piece  132  set with its joint pipe  23  onto the joint clutch  13 . Then, rotate the joint pipe  23  to form an overlapping position with the stopper  231  and the dodge piece  132 . With this quick connection function to increase its easy usage features, so that the spray gun  10  is available for fast replacement or repair functions. When water flow with the rotation hole  53  through the diversion piece  50 , the rotation hole  53  is opened as the oblique position in the convex portions. With the flow guide of the convex portion  52 , the direct impacts of the water flow directly flush the front of the rotating blades  43 , further increasing the pressure to the rotating blades  43 . As the rotational speed and the torque of the rotating blades  43  increases, the stability of the power generation gets more stable. 
     Furthermore, the rotor  70  has a fixed plate  71  and movable plate  72 . The moveable plate  72  is pivoted to the hole  714  of the fixed plate  71  by a screw  75 . So that the through hole  713  of the fixed plate  71  can be connected to the movable plate  72  to the outlet water hole  131  of the joint clutch  13 . The movable plate  72  can spin emphasis on the screw  75  as the center of rotation with more and further changes to joint clutch  13  of spray gun  10  relative angle to adjust the water spraying elevation, reaching the easy use functions. 
     Having described the invention by the description and illustrations above, it should be understood that these are exemplary of the invention and are not to be considered as limiting. Accordingly, the invention is not to be considered as limited by the foregoing description, but includes any equivalents.