SMA radio frequency (RF) coaxial connector and processing method thereof
Technical field
The present invention relates to a kind of SMA radio frequency (RF) coaxial connector and processing method thereof.
Background technology
The SMA radio frequency (RF) coaxial connector is because characteristics such as little, the reliability of volume, frequency of utilization height are applied to machine system at present widely, but along with the development of machine system, its profile installed proposed more requirement.Existing SMA coaxial connector all is parallel connected by outer conductor and inner wire and antenna, can't satisfy the antenna connected mode vertical with the connector needs.
Summary of the invention
The object of the invention provide a kind of can with antenna SMA radio frequency (RF) coaxial connector connected vertically and processing method thereof, it has solved, and antenna can only level be connected with the SMA radio frequency (RF) coaxial connector in the prior art, can't satisfy the technical problem of vertical connection request.
Technical solution of the present invention is:
A kind of SMA radio frequency (RF) coaxial connector, comprise outer conductor 8, insulator 6, inner wire 7 and flange four directions 3, described outer conductor 8 comprises cable connector 1 and antenna connector 2, described cable connector 1 passes through flange quartet connection 3 with antenna connector 2, described flange four directions 3 is provided with four screw holes 4, it is characterized in that: described SMA radio frequency (RF) coaxial connector also comprises pin 5, described pin 5 is arranged on antenna connector 2 tops, a side relative with pin 5 on the described antenna connector 2 is provided with inclined-plane 9, described insulator 6 be arranged in the outer conductor 8 and an end concordant with the end of antenna connector 2, described inner wire 7 is arranged on insulator 6 centers and protruding and concordant with pin 5.
Above-mentioned inclined-plane 9 is 5~45 ° with the angle of inner wire axis.
Above-mentioned inclined-plane 9 is 10~20 ° with the angle of inner wire axis.
A kind of processing method of above-mentioned SMA radio frequency (RF) coaxial connector is characterized in that, may further comprise the steps:
1] utilizes machined into outer conductor 8, comprise cable connector 1 and antenna connector 2;
2] utilize milling machine to mill out flange four directions 3;
3] utilize 3 location, flange four directions, mill out four screw holes 4 respectively at flange four directions 3 four jiaos;
4] utilize 3 location, flange four directions, mill out pin 5 in the outer end of the antenna connector 2 of outer conductor 8;
5] utilize flange four directions 3 on direction, to locate perpendicular to pin 5, a side relative on antenna connector 2 with pin 5, cut one with horizontal direction inclined-plane 9 in a certain angle;
6] insulator 6 and inner wire 7 are plugged in the outer conductor 8 successively, constitute the SMA radio frequency (RF) coaxial connector.
The advantage that the present invention is compared with prior art had:
1, the invention provides can with antenna a kind of SMA radio frequency (RF) coaxial connector connected vertically.
2, be connected the mode that adopts inclined-plane breach transition between SMA radio frequency (RF) coaxial connector of the present invention and the antenna, and the transition bevel angle is 10~20 °, avoided the violent transition of microwave signal transmission, optimized connector performance.
3, the present invention all adopts the method for location, flange four directions when processing flange square head bolts hole, pin, inclined-plane, has guaranteed positioning accuracy and consistency between flange square head bolts hole, pin, the inclined-plane.
Description of drawings
Fig. 1 is the structural representation of SMA radio frequency (RF) coaxial connector of the present invention; Wherein: 1-a is a front view, and 1-b is a cutaway view, and 1-c is that the A of 1-b is to view;
Fig. 2 is the structural representation of step 1 in the processing method of the present invention;
Fig. 3 is the structural representation of step 2 in the processing method of the present invention: 3-a is a right view, and 3-b is a cutaway view;
Fig. 4 is the structural representation of step 3 in the processing method of the present invention: 4-a is a right view, and 4-b is a cutaway view;
Fig. 5 is the structural representation of step 4 in the processing method of the present invention: 5-a is a right view, and 5-b is a cutaway view;
Fig. 6 is the structural representation of step 5 in the processing method of the present invention: 6-a is a right view, and 6-b is a cutaway view;
Reference numeral: 1-cable connector, 2-antenna connector, 3-flange four directions, 4-screw hole, 5-pin, 6-insulator, 7-inner wire, 8-outer conductor, 9-inclined-plane.
Embodiment
Figure 1 shows that the structural representation of SMA radio frequency (RF) coaxial connector of the present invention, it comprises outer conductor 8, insulator 6, inner wire 7, pin 5 and flange four directions 3, outer conductor 8 comprises cable connector 1 and antenna connector 2, cable connector 1 is connected by flange four directions 3 with antenna connector 2, be symmetrically arranged with four screw holes 4 on the flange four directions 3, pin 5 is arranged on antenna connector 2 outer ends, a side relative with pin 5 on antenna connector 2 is provided with inclined-plane 9, insulator 6 be arranged in the outer conductor 8 and an end concordant with the end of antenna connector 2, inner wire 7 is arranged on insulator 6 centers and protruding and concordant with pin 5; For avoiding the violent transition of signal transmission, inclined-plane 9 is 5~45 ° with the angle of inner wire axis, when being 10~20 °, has avoided the violent transition of microwave signal transmission, has optimized connector performance.
Fig. 2 to Fig. 6 is the step of the processing method of SMA radio frequency (RF) coaxial connector of the present invention:
Referring to Fig. 2, utilize machined into to go out the profile of SMA radio frequency (RF) coaxial connector, comprise the cable connector and the antenna connector of outer conductor; Referring to Fig. 3, utilize milling machine on the profile of SMA radio frequency (RF) coaxial connector, to mill out the flange four directions;
The present invention all adopts the method for location, flange four directions in order to guarantee locating accuracy when processing flange square head bolts hole, pin, inclined-plane, concrete implementation step is referring to Fig. 4, Fig. 5 and Fig. 6.
Referring to Fig. 3, utilize flange four directions location, mill out four screw holes respectively at flange four directions four jiaos;
Referring to Fig. 4, utilize flange four directions location, mill out pin at the outer end of the antenna connector of outer conductor;
Excessively violent for fear of microwave signal transmission, step 5 of the present invention utilizes the flange four directions to locate on the direction perpendicular to pin referring to Fig. 5, on the inclined-plane of cutting on the direction of certain angle of the pin on the antenna connector, referring to Fig. 6; At last insulator and inner wire are plugged in the outer conductor successively.
The course of work of SMA radio frequency (RF) coaxial connector of the present invention: as shown in Figure 1, the SMA radio frequency (RF) coaxial connector is connected with cable by the cable connector of flange four directions left end, the pin and the inner wire of the representative outer conductor by flange four directions right-hand member are connected with antenna is vertical, so just form the loop and carry out work.