Abstract:
A cable winch structure for vehicles is disclosed. The cable winch includes a rolling cylinder connected to a speed-reducing device at one lateral side, and having a motor connected to one end of the roller cylinder so that the speed reducing motor transmits the power of the motor to the roller cylinder facilitating traction of the cable and the speed-reducing device.

Description:
BACKGROUND OF THE INVENTION 
   (a) Technical Field of the Invention 
   The present invention relates to a cable winch for vehicles, and in particular, to an improved structure of a cable winch with respect to the structure of planetary gear and clutching planetary gear, wherein the cable winch is rigid and secured. 
   (b) Description of the Prior Art 
   U.S. Pat. No. 6,663,086 entitled “Structure of a Cable Winch Used in Vehicle” issued to the present applicant discloses, as shown in  FIG. 1 , a cable winch having a rolling cylinder component  20  having one end being mounted with a gear speed-reducing device  30  and the other end being mounted with a motor  40  so as to transmit the power of the motor  40  to the rolling cylinder component  20  by the gear speed-reducing device  30  allowing the rolling up of the cable  21 . The gear speed-reducing device includes a control button  31 , a transmission shaft  32 , a gear box  33 , a sun gear  34 , a plurality of planetary gear sets, a clutch and planet gear set  36  and a fastening ring  37 . 
   One end of the transmission shaft  32  is inserted into the inner hole  312  of the control button  31  and a fastening ring  321  is used to fasten. The tubular section  311  of the control button  31  is pivotally inserted into the through hole  332  position of the gear box  33  and the protruded peg  313  is matched to the recess  333  of the gear box  33 . The transmission shaft  32  is mounted at the center of the gear box  33  and the transmission shaft  32  of the gear box  33  is then mounted in sequence with a corrugated pad  38 , sun gear  34 , a plurality of planetary gear set  35  and the clutch and planet gear set  36 . A fastening ring  37  is used to fasten the moving gear  363  at the recess  322  of the transmission shaft  32 . The sun gear  34  and the planetary gear set  35  and the clutch and planet gear  36  can accept the input power from the transmission shaft  32 , and the planetary gear set  35  and the clutch and planet gear set  36  are in engagement and driven with the inner circular teeth  331  of the gear box  33  to form planetary gear-reducing device  30 . The gear box  33  is locked at one end of the rolling cylinder  20  with screw bolt  334  and the moving gear  363  of the clutch and planet gear set  36  is in engagement with the teeth portion  23  of the rolling cylinder  22 , and the transmission shaft  32  passes through the rolling cylinder  22 . The other end of the rolling cylinder  20  is pivotally mounted to the rotating shaft  41  of the mounted with a corrugated pad and a seal  44  and a screw bolt  43  is used to lock the motor  40  to the other end of the rolling cylinder  20  and the insertion hole  42  of the rotating shaft  41  is in engagement with the end terminal of the transmission shaft  32  and obtain power output from the motor  40 . 
   SUMMARY OF THE INVENTION 
   Accordingly, it is an object of the present invention to provide a cable winch structure having a rolling cylinder connected to a speed-reducing device at one lateral side, and having a motor connected to one end of the roller cylinder so that the speed reducing motor transmits the power of the motor to the roller cylinder facilitating traction of the cable and the speed-reducing device including an control button, a transmission shaft, a gear box, sun gear, a predetermined planetary gear component on a base plate, a clutching gear module on a base plate and fastening rim, characterized in that the perimeter edge of the planetary gear component base plate is an integral unit perpendicularly folded to form a plurality of bridging upright faces, and a covering plate provided to the planetary gear component has perimeter edge stamped to form a plurality of recessed slots, in combination the upright faces engage with the recessed slots and then welded to enhance the strength of combination of the planet gear module the perimeter edge of the clutching planetary gear component base plate is an integral unit perpendicularly folded to form a plurality of bridging upright faces, and a covering plate provided to the clutching planet module has perimeter edge which stamped to form a plurality of recessed slots, in combination the upright faces engage with the recessed slots and then welded to enhance the strength of combination of the clutching planetary gear component to provide rigid structure of the cable winch for automobiles. 
   Another object of the present invention is to provide a cable winch structure for vehicle, wherein the edge of the base plate of the planetary gear component is a plurality of bridging upright surface to match with the plurality of recessed slots of the covering plate, and the bridging upright surface is mounted onto the recessed slots which are welded together to provide a secured structure. 
   A further object of the present invention is to provide a cable winch structure, wherein the edge of the base plate of the planetary gear component is a plurality of bridging upright surface to match with the plurality of recessed slots of the covering plate, and the bridging upright surface is mounted onto the recessed slots which are welded together to avoid dislocation of the planetary gear component and the front covering of the clutch and planetary gear component when the cable pulls a load or a vehicle. 
   The foregoing object and summary provide only a brief introduction to the present invention. To fully appreciate these and other objects of the present invention as well as the invention itself, all of which will become apparent to those skilled in the art, the following detailed description of the invention and the claims should be read in conjunction with the accompanying drawings. Throughout the specification and drawings identical reference numerals refer to identical or similar parts. 
   Many other advantages and features of the present invention will become manifest to those versed in the art upon making reference to the detailed description and the accompanying sheets of drawings in which a preferred structural embodiment incorporating the principles of the present invention is shown by way of illustrative example. 

   
     BRIEF DESCRIPTION OF THE DRAWINGS 
       FIG. 1  is a perspective exploded view of a winch structure of U.S. Pat. No. 6,663,086. 
       FIG. 2  is a perspective exploded view of the cable winch of the present invention. 
       FIG. 3  is a sectional view of a partial winch of the present invention. 
       FIG. 4  is a perspective exploded view of the planetary gear of the present invention. 
       FIG. 5  is a perspective view of the planetary gear of the present invention. 
       FIG. 6  is an exploded perspective view of the planetary gear of the present invention. 
       FIG. 7  is a perspective view of the clutching gear of the present invention. 
   

   DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS 
   The following descriptions are of exemplary embodiments only, and are not intended to limit the scope, applicability or configuration of the invention in any way. Rather, the following description provides a convenient illustration for implementing exemplary embodiments of the invention. Various changes to the described embodiments may be made in the function and arrangement of the elements described without departing from the scope of the invention as set forth in the appended claims. 
   Referring to  FIGS. 2 and 3 , there is shown a cable winch structure for vehicle having a rolling cylinder component  50  with one side pivotally mounted to a speed-reducing device  60 . The other end of the rolling cylinder component  50  is connected to a motor  70  so as to transmit power of the motor  70  to the rolling cylinder component  50  by the speed-reducing device  60  so as to appropriately wind-up the cable  51 . The speed-reducing device  60  has a control button  61 , a transmission shaft  62 , a gear box  63 , sun gear  64 , a plurality of planetary gear component  65 , clutch and planetary gear component  66  and a fastening rim  67 . One end of the transmission shaft  62  is inserted into the inner hole  611  of the control button  61  and is then fastened by the fastening rim  621 . The tubular section  612  of the control button  61  is pivotally mounted at the through hole  631  of the gear box  63 , and the peg  613  of the control button  61  is aligned with the recess  632  of the gear box  63 . The transmission shaft  62  is inserted into the center of the gear box  63 , and the transmission shaft  62  of the gear box  63  is mounted with a corrugated pad  68 , the sun gear  64 , a plurality of planetary gear components  65  and the clutch and planetary gear components  66 . The fastening rim  67  is fastened at the recess  622  of the transmission shaft  62  so as to pivotally secure the top face of the actuating gear  661  of the clutch and planetary gear component  66 , and at the same time, the above components are mounted, and the sun gear  64  and various planetary gear component  65  and the clutch and the planetary gear component  66  can accept the power input of the transmission shaft  62 . The planetary gear component  65  and the clutch and planetary gear component  66  are engagedly transmitting with the inner rim gear  633  of the gear box  63 , forming into planetary gear speed-reducing device  60 . The gear box  63  is locked to one end of the rolling cylinder  50  with bolt  634  and the actuating gear  661  of the clutch and planetary gear component  66  is in engagement with the gear section  53  of the rolling cylinder  52 . The transmission shaft  62  passes through the rolling cylinder  52 . The other end of the rolling cylinder component  50  is pivoted to the rotating shaft of the motor  70  by means of corrugated pad  71  and the pad  72 . Nut  73  locks the motor  70  at the other end of the rolling cylinder component  50  and the insertion hole of the rotating shaft engages with the end of the transmission shaft  62  so that the power output of the motor  70  is obtained. 
   Referring to  FIGS. 4 and 5 , the perimeter edge of the planetary gear component  65  base plate  651  is an integral unit perpendicularly folded to form a plurality of bridging upright faces, and the covering plate  653  of the planetary gear component has perimeter edge stamped to form a plurality of recessed slots  654 . When in combination, the upright faces  652  are engaged with the recessed slot  654  and are then welded to enhance the strength of the combination. 
   Referring to  FIGS. 6 and 7 , the perimeter edge of the clutch and planetary gear component  66  base plate  662  is an integral unit perpendicularly folded to form a plurality of bridging upright faces  663 , and a covering plate  664  is provided to the clutch and planetary gear component and has perimeter edge which stamped to form a plurality of recessed slots  665 . When in combination, the upright faces  663  are in engaged with the recessed slots  665  and are then welded to enhance the strength of the combination of the clutch and planetary gear component  66  to provide a strong combination. 
   It will be understood that each of the elements described above, or two or more together may also find a useful application in other types of methods differing from the type described above. 
   While certain novel features of this invention have been shown and described and are pointed out in the annexed claim, it is not intended to be limited to the details above, since it will be understood that various omissions, modifications, substitutions and changes in the forms and details of the device illustrated and in its operation can be made by those skilled in the art without departing in any way from the spirit of the present invention.