Patent Publication Number: US-2003231506-A1

Title: Exhaust pipe with flickering light

Description:
BACKGROUND OF THE INVENTION  
       [0001] 1. Field of the Invention  
       [0002] This invention relates to an exhaust pipe with flickering light, particularly to one having a position plate and a protective sleeve fixed on a position pipe, with the position plate stabilizing an outer cover to prevent an electric board from damaged in case of the outer cover being knocked, and with the protective sleeve preventing heat and protecting the electric board from damaged so as to prolong its service life.  
       [0003] 2. Description of the Prior Art  
       [0004] A conventional exhaust pipe with flickering light, as shown in FIG. 1, includes an exhaust pipe  10  having a position pipe  12  fixedly fitted around the rear portion by means of combining members  11 . The position pipe  12  is provided with a fixing base  13 , and an electric board  15  is firmly positioned on a rear portion of the fixing base  13  by bolts  14 . The electric board  15  is bored with a through hole  150  in the center, and provided with a plurality of light emitting diodes  151  (LED) and an electric wire  152 . Then, an outer cover  16  is fitted around the rear portion of the fixing base  13 , having numerous light-transmitting holes  160  in the tubular wall and a through hole  161  at the bottom wall for the electric wire  152  of the electric board  15  to pass therethrough and connected with a power to produce flickering light around the exhaust pipe.  
       [0005] However, the electric board  15  employed in the conventional exhaust pipe is simply fitted around the position pipe  12  directly and secured on the fixing base  13  by bolts  14  so it can hardly be stabilized in position. Under such a condition, in case a car runs on an uneven road, the electric board  15  and the outer cover  16  is liable to sway about, and should the exhaust pipe  10  be bumped, the outer cover will easily become inclined to one side and the electric board  15  located in the outer cover  16  will be damaged, because there is nothing provided between the outer cover  16  and the position pipe  12  to stabilize them in place. Besides, the electric board  15  being directly fitted on the position pipe  12  is likely to be influenced by the high temperature of the gas exhausted from the exhaust pipe  10 , thus possible to be shortened in its service life.  
       SUMMARY OF THE INVENTION  
       [0006] The objective of the invention is to offer an exhaust pipe with flickering light, possible to be stably assembled and able to prevent heat from getting too high and protect an electric board from damaged so as to prolong its service life.  
       [0007] The feature of the invention is that a plurality of long rods and short rods protruding forward and interposed with one another are provided at the rear side of an annular fixing base, and an annular position plate is mounted on a position pipe to support the inner wall of a tubular outer cover, having a through hole in the center, and plural large and small through holes arranged interposed with one another on the wall. Further, a protective sleeve is fitted around the position pipe and provided at the front end with an annular fixing plate having a plurality of large and small through holes corresponding to the through holes of the fixing plate, with plural bolts respectively inserted through the small holes of the position plate and the protective sleeve and screwed with the short rods of the fixing base. An annular electric board is positioned around the protective sleeve and secured with the long rods of the fixing base, and provided with plural small through holes and light emitting diodes (LED) as well as an electric wire, with plural bolts respectively inserted through the small through holes of the electric board and fixedly screwed with the long rods of the fixing base. 
     
    
    
     BRIEF DESCRIPTION OF DRAWINGS  
     [0008] This invention will be better understood by referring to the accompanying drawings, wherein:  
     [0009]FIG. 1 is a cross-sectional view of a conventional exhaust pipe;  
     [0010]FIG. 2 is an exploded perspective view of an exhaust pipe with flickering light in the present invention; and,  
     [0011]FIG. 3 is a cross-sectional view of the exhaust pipe with flickering light in the present invention. 
    
    
     DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT  
     [0012] A preferred embodiment of an exhaust pipe with flickering light in the present invention, as shown in FIGS. 2 and 3, includes an exhaust pipe  2 , a position pipe  4 , a fixing base  5 , a position plate  6 , a protective sleeve  7 , an electric board  8  and an outer cover  9  as main components combined together.  
     [0013] The position pipe  4  is assembled around the rear portion of the exhaust pipe  2  by means of combining members  3 , with the fixing base  5  mounted around the position pipe  4 .  
     [0014] The fixing base  5  is annular, combined with the position pipe  4  by bolts  50  and provided with a blocking edge  51  having an annular projection  52  with threaded holes  53  at the rear portion. The fixing base  5  is further provided on the rear side with three long rods  54  and three short rods  55  formed spaced apart equidistantly and arranged interposed with one another, with each long rod  54  and short rod  55  extending out horizontally and bored with a threaded hole  540 ,  550  at the outer end.  
     [0015] The position plate  6  is annular, fitted around the position pipe  4 , and formed with a through hole  60  in the center and three large and three small through holes  61  and  62  spaced apart equidistantly and interposed with one another in its wall.  
     [0016] The protective sleeve  7  is mounted around an position pipe  4  and provided on the front end with a annular fixing plate  70  having three large and three small through holes  71  and  72  matching with the through holes  61 ,  62  of the position plate  6 , with three bolts  73  respectively inserted through the small through holes  72 .  
     [0017] The electric board  8  is shaped annular, disposed around the protective sleeve  7  and secured with the long rods  54  of the fixing base  5 . The electric board  8  is bored with a through hole  80  in the center and three small through holes  81  spaced apart equidistantly in the annular wall, and provided with several light emitting diodes  82 (LED) and an electric wire  83 , with three bolts  84  inserted through the small through holes  81 .  
     [0018] The outer cover  9  is tubular, mounted around the electric board  8 , the protective sleeve  7  and the position plate  6 , and fixedly assembled with the projection  52  of the fixing base  5 . The outer cover  9  is provided with a plurality of light-transmitting holes  90  in the tubular wall, a through hole  91  at the bottom wall for the electric wire  83  of the electric board  8  to be inserted there through and plural slots  92  spaced apart near a front edge for receiving bolts  93 .  
     [0019] In assembling and using, as shown in FIGS. 2 and 3, the fixing base  5  is first combined with the position pipe  4  by means of bolts  50 . Then, the position plate  6  is fitted around the position pipe  4 , letting the long rods  54  of the fixing base  5  respectively inserted through the large through holes  61  of the position plate  6 , with the inner side of the position plate  6  resting on the short rods  55  of the fixing base  5 , and the threaded holes  550  of the short rods  55  respectively aligned to the small through holes  62  of the position plate  6 . Afterward, the protective sleeve  7  is fitted around the position pipe  4 , letting the long rods  54  of the fixing base  5  inserted through the large through holes  71  of the protective sleeve  7 , and the fixing plate  70  of the protective sleeve  7  closely contacting with the position plate  6 , with the small through holes  72  of the protective sleeve  7  exactly facing the small through holes  62  of the position plate  6 . Then, the three bolts  73  are respectively inserted orderly through the small through holes  72  and  62  of the protective sleeve  7  and the position plate  6  and then firmly screwed with the threaded holes  550  of the short rods  55  of the fixing base  5  to make the position plate  6  and the protective sleeve  7  fixed on the position pipe  4 .  
     [0020] Next, the electric board  8  is fitted around the protective sleeve  7 , having its inner wall resting on the long rods  54  of the fixing base  5  and its small through holes  8  respectively aligned and screwed with the threaded holes  540  of the fixing base  5  by means of bolts  84  so as to stabilize the electric board  8  on the protective sleeve  7 . Subsequently, the outer cover  9  is orderly mounted around the electric board  8 , the protective sleeve  7 , the position plate  6  and the projection  52  at the rear side of the fixing base  5  and fixed in position by bolts  93 , which are respectively inserted through the slots  93  of the outer cover  9  and screwed together with the threaded holes  53  of the projections  52 , thus the outer cover  9  having its inner wall supported by the position plate  6  to increase its strength and avoid swaying caused by vibration. Lastly, the position pipe  4  is combined with the exhaust pipe  2  by means of combining members  3  to finish the assembling of an exhaust pipe. Then the electric wire  83  is connected to the power source of a car to enable the light emitting diodes  82  to produce flickering light, which can emit outward through the light transmitting holes  90  of the outer cover  9  to make up a variety of flashes.  
     [0021] To sum up, the light transmitting holes  90  are provided not only for transmitting flickering light, but also for ventilating and heat dispersing. The outer cover  9  having its inner wall supported by the position plate  6  is able to prevent the electric board  8  from damaged by direct collision in case of the outer cover  9  being knocked, and the protective sleeve  7  located between the electric board  8  and the position pipe  4  can prevent heat from getting too high and protect the electric board  8  from damaged so as to increase its service life.  
     [0022] While the preferred embodiment of the invention has been described above, it will be recognized and understood that various modifications may be made therein and the appended claims are intended to cover all such modifications that may fall within the spirit and scope of the invention.