Abstract:
A micro coaxial cable connecting device, with application to cable to cable inter-connecting of micro coaxial cables, whereby the connecting device is separately configured as a female terminal connector and a male terminal connector, wherein the female terminal connector is assembled to include a signal terminal, an insulator, a conductor and a cover; and the male terminal connector is assembled to include a socket terminal, an insulator base and a casing. Structural design of the male terminal connector and the female terminal connector allows utilizing a lap joint method to connect said two connectors, and thereby enables reduction in production costs of connecting devices, provides enhancement in productivity, and answers to industrial utilization of such.

Description:
BACKGROUND OF THE INVENTION 
   (a) Field of the Invention 
   The present invention relates to a micro coaxial cable connecting device, and more particularly to forsaking traditional butt joint method of connecting, and replacing such by utilizing a micro coaxial cable connecting device employing a lap joint method of connection, thereby enabling reduction in production costs of connecting devices, providing enhancement in productivity, and answering to industrial utilization of such. 
   (b) Description of the Prior Art 
   Referring to  FIG. 1 , which shows a conventional butt joint method of a micro coaxial cable, and with regard to cable-to-cable inter-connecting of micro coaxial cables, present industries accordingly employ a pair of multi media communication exchange (MMCX) but joint devices as a connecting medium for micro coaxial cables. This method of connecting is named a butt joint, however, present industries utilize a lathe processing method to produce the MMCX butt joint devices, making mass-production impossible, excluding productivity enhancement, and, moreover, resulting in overly high lathe processing production costs. In a competitive market environment of today, a need for advancement in design of such connecting devices is surely present. 
   In light of aforementioned shortcomings and inconvenience of the MMCX butt joint devices, inventor of the present invention, with a spirit of research for innovation and a striving for perfection, and employing professional insight and specialist know-how, originated a micro coaxial cable connecting device having practicability, offering a broader range of application, and answering to industrial utility value of such. 
   SUMMARY OF THE INVENTION 
   A micro coaxial cable connecting device of the present invention separately configured as a female terminal connector and a male terminal connector, wherein: 
   The female terminal connector is assembled to include a signal terminal, an insulator, a conductor and a cover. The signal terminal is designed as a long arm, whereby a narrow strip is formed in a middle thereof, having a pair of tongue-shaped contact arms extending downwards from one end of the narrow strip and formed thereof, and configured to contact with the male terminal connector. An inflected arm is separated to consist of a pair of tongue-shaped arms comprising a long arm and a short arm, which extend downwards from another end of the narrow strip on each side corresponding to the contact arms, and utilized to inflect round and clip-fasten a coaxial cable thereof. Moreover, the long arm and the short arm of the inflected arm form a clip orifice there between, allowing disposing a central conducting line of the coaxial cable therein. The insulator is utilized to function as a holder for the signal terminal and provide insulation between the signal terminal, the conductor and the cover. A frontal end of the insulator is configured to assume a cylindrical-shaped protrusion, and center of the protrusion is provided with a hollow defined to run through from top to bottom of the protrusion, thereby allowing disposing of the aforementioned contact arms of the signal terminal therein. Moreover, a hold-down strip is configured to upwardly protrude from the frontal end of the insulator, having dimensions appropriate to correspond with the rear end of the insulator when pressed down thereon. A load-bearing section is defined as an appropriately situated indentation section in the insulator, thereby allowing placing of the narrow strip of the signal terminal therein, and utilized to enable load bearing of the signal terminal thereof. A hold-bearing section is configured as an indentation defined in the rear end of the insulator, thereby allowing placing of the aforementioned inflexedarm of the coaxial cable therein. The conductor is utilized to function as a holder for load bearing and secure fastening of the insulator therein. A frontal end of the conductor downwardly extends to assume a cylindrical shaped indentation, thereby allowing placing of the protrusion of the insulator therein. At the same time, an annular spacing forms between the protrusion and the indentation. Two sides of the conductor form a pair of extended arms, which provide the coaxial cable with appropriate clasping force. The cover is made from metallic material and assumes a longitudinal shape, whereon a rectangular protrusion is appropriately positioned and defined, and utilized to increase strength of resistance to bending of the cover, as well as to ensure secure fastening of aforementioned components after assemblage. Three inflectable inflected arms are configured on a frontal end and two sides of the cover respectively, which provide effectiveness of guarding against electro magnetic interference (EMI), as well providing surfaces of application for applying a jig for pulling off the cover. A pair of injectable arms comprising a large inflected arm and a tail-inflected arm are separately configured on a rear end of the cover, and utilized to clip-fasten the conductor and the coaxial cable respectively. 
   The male terminal connector is assembled to include a socket terminal, an insulator base and a casing. The socket terminal is designed as a long arm, having one end formed to define a protruding post thereof, and utilized to contact with the signal terminal of the female connector. An inflected arm is separated to consist of a pair of tongue-shaped arms comprising a long arm and a short arm, which extend downwards from another end of the long arm of the socket terminal on a same side corresponding to the post, and utilized to inflect round and clip-fasten the coaxial cable thereof. The insulator base is utilized to function as a holder for load bearing the socket terminal and act as insulation between the socket terminal and the casing. A circular aperture is appropriately situated and defined in the insulator base, and utilized to receive and fasten the post of the socket terminal. A receive-bearing section is configured in an indentation defined at a rear end of the insulator base, and utilized to receive and fasten the socket terminal and squeezed portion of the coaxial cable therein. A side panel is configured so as to sidewardly extend and protrude upwards from the insulator base, and utilized when the socket terminal is placed into the insulator base, whereupon the inflected side panel is folded over and covers the socket terminal. Upon the socket terminal being clip-fastened into the insulator base, the side panel thereby ensures providing insulation between the socket terminal and the casing. The casing is made from metal material, and defined with a lengthwise frontal casing section, and a lengthwise rear casing section. Two fastening panels are extruded from two sides of the rear casing section, and utilized to fasten the aforementioned insulator base. The frontal casing section and the two fastening panels enclosedly define and there between form a receptacle spacing, which is thereby utilized to contain the insulator base therein. A cylindrical section is defined at and downwardly extends from an appropriate position in a frontal end of the frontal casing section. The cylindrical section is further defined with an annular groove, which is utilized to clip-fasten and contact with the female terminal connector. A pair of inflectable arms comprising a short inflected arm and a long inflected arm extend outwards from two sides of the rear casing section, and are utilized to hold down and fasten the coaxial cable. Moreover, a rectangular protrusion is defined on a connecting surface between the frontal casing section and the rear casing section, with which, after assemblage, is utilized to ensure secure fastening of aforesaid components. 
   A primary objective of the present invention is to provide a design for a lap joint method connecting device by means of the female terminal connector and the male terminal connector, thereby enabling reduction in production costs of connecting devices, enhancement in productivity, and answering to industrial utilization of such. 
   To enable a further understanding of the said objectives and the technological methods of the invention herein, the brief description of the drawings below is followed by the detailed description of the preferred embodiments. 

   
     BRIEF DESCRIPTION OF THE DRAWINGS 
       FIG. 1  shows a schematic diagram of a conventional butt joint method of a micro coaxial cable. 
       FIG. 2  shows an exploded elevational view of a female terminal connector according to the present invention. 
       FIG. 3  shows an exploded elevational view of a male terminal connector according to the present invention. 
       FIG. 4  shows an assembled elevational view of the female terminal connector according to the present invention. 
       FIG. 5  shows an assembled elevational view of a male terminal connector according to the present invention. 
       FIG. 6  shows a schematic view of the male-female terminal connectors lap jointed together according to the present invention. 
   

   DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS 
   Referring to  FIGS. 2 ,  3 ,  4 , and  5 , which show a connecting device according to the present invention with application to cable inter-connecting of micro coaxial cables, whereby the connecting device is separately configured as a female terminal connector  1  and a male terminal connector  2 , wherein: 
   The female terminal connector  1  is assembled to include a signal terminal  11 , an insulator  12 , a conductor  13  and a cover  14 . The signal terminal  11  is designed as a long arm, whereby a narrow strip  113  is formed in a middle thereof, having a pair of tongue-shaped contact arms  112  extending downwards from one end of the narrow strip  113  formed thereof, and configured to contact with the male terminal connector  2 . An inflected arm  111  is separated to consist of a pair of tongue-shaped arms comprising a long arm  1113  and a short arm  1112 , which extend downwards from another end of the narrow strip  113  on each side corresponding to the contact arms  112 , and utilized to inflect round and clip-fasten a coaxial cable A thereof. Moreover, the long arm  1113  and the short arm  1112  of the inflected arm  111  form a clip orifice  1111  there between, allowing disposing a central conducting line A 1  of the coaxial cable A therein. The insulator  12  is utilized to function as a holder for the signal terminal  11  and provide insulation between the signal terminal  11 , the conductor  13  and the cover  14 . A frontal end of the insulator  12  is configured to assume a cylindrical-shaped protrusion  121 , and center of the protrusion  121  is provided with a hollow  122  defined to run through from top to bottom of the protrusion  121 , thereby allowing disposing of the aforementioned contact arms  112  of the signal terminal  11  therein. Moreover, a hold-down strip  123  is configured to upwardly protrude from the frontal end of the insulator  12 , having dimensions appropriate to correspond with the rear end of the insulator  12  when pressed down thereon. A load-bearing section  124  is defined as an appropriately situated indentation section in the insulator  12 , thereby allowing placing of the narrow strip  113  of the signal terminal  11  therein, and utilized to enable load bearing of the signal terminal  11  thereof. A hold-bearing section  125  is configured as an indentation defined in the rear end of the insulator  12 , thereby allowing placing of the aforementioned inflexed arm  111  of the coaxial cable A therein. The conductor  13  is utilized to function as a holder for load bearing and secure fastening of the insulator  12  therein. A frontal end of the conductor  13  downwardly extends to assume a cylindrical shaped indentation  131 , thereby allowing placing of the protrusion  121  of the insulator  12  therein. At the same time, an annular spacing  133  forms between the protrusion  121  and the indentation  131 . Two sides of the conductor  13  form a pair of extended arms  132 , which provide the coaxial cable A with appropriate clasping force. The cover  14  is made from metallic material and assumes a longitudinal shape, whereon a rectangular protrusion  141  is appropriately positioned and defined, and utilized to increase strength of resistance to bending of the cover  14 , as well as to ensure secure fastening of aforementioned components after assemblage. Three injectable inflected arms  142  are configured on a frontal end and two sides of the cover  14  respectively, which provide effectiveness of guarding against electro magnetic interference (EMI), as well providing surfaces of application for applying a jig for pulling off the cover  14 . A pair of injectable arms comprising a large inflected arm  143  and a tail inflected arm  144  are separately configured on a rear end of the cover  14 , and utilized to clip-fasten the conductor  13  and the coaxial cable A respectively. 
   The male terminal connector  2  is assembled to include a socket terminal  21 , an insulator base  22  and a casing  23 . The socket terminal  21  is designed as a long arm, having one end formed to define a protruding post  211  thereof, and utilized to contact with the signal terminal  11  of the female connector  1 . An inflected arm  212  is separated to consist of a pair of tongue-shaped arms comprising a long arm  2122  and a short arm  2121 , which extend downwards from another end of the long arm of the socket terminal  21  on a same side corresponding to the post  211 , and utilized to inflect round and clip-fasten a coaxial cable B thereof. The insulator base  22  is utilized to function as a holder for load bearing the socket terminal  21  and act as insulation between the socket terminal  21  and the casing  23 . A circular aperture  221  is appropriately situated and defined in the insulator base  22 , and utilized to receive and fasten the post  211  of the socket terminal  21 . A receive-bearing section  222  is configured in an indentation defined at a rear end of the insulator base  22 , and utilized to receive and fasten the socket terminal  21  and squeezed portion of the coaxial cable B therein. A side panel  223  is configured so as to sidewardly extend and protrude upwards from the insulator base  22 , and utilized when the socket terminal  21  is placed into the insulator base  22 , whereupon the inflected side panel  223  is folded over and covers the socket terminal  21 . Upon the socket terminal  21  being clip-fastened into the insulator base  22 , the side panel  223  thereby ensures providing insulation between the socket terminal  21  and the casing  23 . The casing  23  is made from metal material, and defined with a lengthwise frontal casing section  231 , and a lengthwise rear casing section  232 . Two fastening panels  233  are extruded from two sides of the rear casing section  231 , and utilized to fasten the aforementioned insulator base  22 . The frontal casing section  231  and the two fastening panels  233  enclosedly define and there between form a receptacle spacing  234 , which is thereby utilized to contain the insulator base  22  therein. A cylindrical section  235  is defined at and downwardly extends from an appropriate position in a frontal end of the frontal casing section  231 . The cylindrical section  235  is further defined with an annular groove  236 , which is utilized to clip-fasten and contact with the female terminal connector  1 . A pair of injectable arms comprising a short inflected arm  237  and a long inflected arm  238  extend outwards from two sides of the rear casing section  232 , and are utilized to hold down and fasten the coaxial cable B. Moreover, a rectangular protrusion  239  is defined on a connecting surface between the frontal casing section  231  and the rear casing section  232 , with which, after assemblage, is utilized to ensure secure fastening of aforesaid components. 
   In accordance with aforementioned depiction of component parts and assemblage of such, the female terminal connector  1  and male terminal connector  2  are thereby connected employing a lap joint method, wherewith production costs of connecting devices are reduced, productivity is enhanced, and answers to industrial utilization of such. 
   Referring to  FIGS. 2 and 4 , and continuing on from aforementioned disclosures, essentials of assembling the female terminal connector  1  and the male terminal connector  2  according to the present invention are disclosed hereinafter. 
   When assembling the female terminal connector  1 , firstly, place the central conducting line A 1  of the coaxial cable A into the clip orifice  1111  formed between the inflected arm  111  of the signal terminal  11 . At the same time, inwardly inflect the inflected arms  111  round the coaxial cable A and clip-fasten. Thereupon, dispose the aforementioned signal terminal  11  in the insulator  12 , thereby allowing the contact arms  112  of the signal terminal  11  to be received within the hollow  122  defined within the insulator  12 . Dispose the narrow strip  113  of the signal terminal  11  in the load-bearing section  124  of the insulator  12 , thereby supporting the load-bearing section  124 . Clip-fasten the inflected arm  111  round the coaxial cable A, thereby appropriately disposing the signal terminal  11  within the hold-bearing section  125  defined as an indentation in the rear end of the insulator  12 . Thereafter, bend over the hold-down strip  123  protruding from the frontal end of the insulator  12  to squeeze down and cover the load-bearing section  124 . Thereat, dispose the aforementioned insulator  12  within the conductor  13 , thereby allowing the protrusion  121  of the insulator  12  to be received within the indentation  131  of the conductor  13 , and providing the two extended arms  132  extending from two sides of the conductor  13  an appropriate clasping force to clasp the coaxial cable A there between, as well as preclude slackening of the insulator  12 , the signal terminal  11  and the coaxial cable A after placement in the conductor  1 . Lastly, place the cover  14  securely onto the conductor  13 , and apply a common jig to clasp-fasten the three inflected arms  142  configured on left, right and front sides of the frontal end of the cover  14  and the large inflected arms  143  defined on the rear end of the cover  14  onto the conductor  13  thereof. The tail-inflected arm  144  thereon clasps the coaxial cable A, and thus completes assemblage of the female terminal connector  1 . 
   Referring to  FIGS. 3 and 5 , when assembling the male terminal connector  2 , firstly place the central conducting line B 1  of the coaxial cable B between the long arm  2122  and short arm  2121  of the socket terminal  21 . At the same time, inwardly inflect the long arm  2122  and the short arm  2121  round the coaxial cable B and clip-fasten such. Thereupon, dispose the aforementioned socket terminal  21  in the insulator base  22 , thereby allowing the post  211  of the socket terminal  21  to be received within the circular aperture  221  of the insulator base  22 . Thereupon, dispose the socket terminal  21  and squeezed portion of the coaxial cable B within the receive-bearing section  222  defined in the rear end of the insulator base  22 . Afterward, fold over the sidewardly extruded side panel  223  of the insulator base  22  so as to cover the socket terminal  21 . Thereat, dispose the aforementioned insulator base  22  within the receptacle spacing  234  of the casing  23 , thereby allowing the post  211  of the socket terminal  21  to be received within the cylindrical section  235  of the casing  23 . Lastly, apply a common jig to cover and fasten the fastening panels  233  of the casing  23  over the insulator base  22 . Thereupon, clip-fasten the pair of short inflected arms  237  and the pair of long inflected arms  238  round the coaxial cable B thereof, and thus complete assemblage of the male terminal connector  2 . 
   Referring to  FIG. 6 , which shows the female terminal connector  1  and the male terminal connector  2  joined together. The cylindrical section  235  of the assembled male terminal connector  2  is oriented towards the indentation  131  of the female terminal connector and conjoined therein, thereby allowing the cylindrical section  235  of the male terminal connector  2  to be received within the annular spacing  133  (see FIG.  4 ). At the same time, allowing the signal terminal  11  and the socket terminal  21  to be mutually embedded, and thus completes joining together of the female terminal connector  1  and the male terminal connector  2 . 
   In conclusion, structural design of the micro coaxial cable connecting device according to the present invention can benefit present industries employed in pressing techniques production, allowing lower production costs compared to production costs required of traditional MMCX connecting devices. Moreover, the present invention facilitates mass-production of connecting devices, thus significantly increasing productivity, and providing utility value to industries. Furthermore, the micro coaxial cable connecting device according to the present invention offers innovation and advancement, and thus assuredly complies with essential elements for a patent application, accordingly such is proposed herewith. 
   It is of course to be understood that the embodiments described herein is merely illustrative of the principles of the invention and that a wide variety of modifications thereto may be effected by persons skilled in the art without departing from the spirit and scope of the invention as set forth in the following claims.