CN110970776B - Radio frequency plug - Google Patents

Abstract

The utility model provides a radio frequency plug, includes integrated into one piece has insulating pedestal of metal insert, integrated into one piece has the insulating piece of a plurality of conductive terminal, with conductive terminal welded cable subassembly and cladding in insulating pedestal and insulating piece are outside shielding shell, insulating pedestal includes in the vertical direction be equipped with interior grafting space butt joint end and from the butt joint end back extends a pair of extension arm that forms, metal insert includes plate body portion, plate body portion transverse both sides upwards bend and the shaping in the extension arm, be formed with on the upper surface of metal insert with the equipment space of interior grafting space intercommunication, insulating piece and the conductive terminal on it is downwards assembled and is fixed in the equipment space, conductive terminal include shaping in the insulating piece the holder and from the holder forward extension and hang in the elasticity contact arm in the interior grafting space. The radio frequency plug can effectively reduce the manufacturing precision requirement and improve the yield.

Description

Radio frequency plug

Technical Field

The application relates to the field of radio frequency connectors, in particular to a radio frequency plug.

Background

A radio frequency connector is usually connected with a coaxial cable on a PCB of the existing mobile phone to transmit radio frequency signals, such as antenna signals, high frequency signals between different boards, and the like; in the 5G communication era, transmission in a multi-antenna mode is required, and the traditional single-channel radio frequency connector cannot meet the requirement; in the existing alternatives, the technical solution of realizing the multichannel transmission of antenna signals by adopting a board-to-board connector is presented.

Patent application No. 201910206829.X discloses a cable connector device for transmitting multi-channel antenna signals by coaxial line combination. The insulation body is integrally formed with the conductive terminal, the metal sheet, the shielding shell and the cable assembly in the insulation body, a terminal groove is required to be formed to accommodate a contact cantilever of the conductive terminal when the insulation body is integrally injection-molded with the conductive terminal, and a plastic barrier is required to be formed between the contact cantilevers. The spacing between the conductive terminals is very small, a very high precision mold is required in molding the barrier, and the mold parts are small and easily damaged. Meanwhile, the shielding shell needs to be bent for many times when being coated outside the insulating body, and the shielding shell is operated when being partially coated outside the insulating body in the bending process, so that the processing and assembling difficulties are very high.

Disclosure of Invention

In view of the foregoing, it is necessary to provide a radio frequency plug for reducing the machining precision of the mold required for manufacturing the product, and reducing the manufacturing difficulty and improving the yield.

In order to solve the technical problems, the application provides a radio frequency plug, which comprises an insulating base body integrally formed with a metal insert, an insulating block integrally formed with a plurality of conductive terminals, a cable assembly welded with the conductive terminals and a shielding shell coated outside the insulating base body and the insulating block, wherein the insulating base body comprises a butt joint end provided with an inner inserting space in the vertical direction and a pair of extension arms formed by extending backwards from the butt joint end, the metal insert comprises a plate body part, two lateral sides of the plate body part are bent upwards and are formed in the extension arms, an assembling space communicated with the inner inserting space is formed on the upper surface of the metal insert, the insulating block and the conductive terminals on the insulating block are assembled downwards and fixed in the assembling space, and the conductive terminals comprise a fixing part formed in the insulating block and elastic contact arms extending forwards from the fixing part and suspending in the inner inserting space.

Preferably, the butt joint end comprises a top wall, a protruding part protruding downwards from the middle position of the top wall, a plurality of barriers extending backwards from the protruding part and terminal grooves formed between the barriers, and the plugging space is positioned behind the barriers; the shielding shell comprises an upper cover plate and a shielding frame, wherein the upper cover plate covers the insulating base and the insulating block, the shielding frame is arranged on the front side and the transverse outer side of the insulating base in a surrounding mode, and an external plug-in space is formed between the protruding portion and the shielding frame.

Preferably, the conductive terminal further comprises a holding portion formed in the insulating block and a soldering leg formed by extending backwards from the holding portion, the elastic contact arm is formed by extending forwards from the holding portion, and the elastic contact arm comprises a first spring arm formed by extending obliquely downwards forwards, a second spring arm formed by bending downwards from the front end of the first spring arm, a third spring arm formed by extending obliquely upwards backwards from the tail end of the second spring arm, a bending end formed by bending forwards and upwards from the tail end of the third spring arm, and a contact point formed at the bending position of the third spring arm and the bending end.

Preferably, a part of the first spring arm, a part of the second spring arm and a part of the third spring arm of the elastic contact arm are respectively located in the terminal groove and separated by the barrier, and the contact portion is exposed back into the inner insertion space.

Preferably, the insulating block comprises an insulating main body for covering the conductive terminal, a rear extension part formed by extending backwards from the rear end of the bottom of the insulating main body, and a clearance part arranged at the bottom of the front end of the insulating main body, wherein the clearance part is partially overlapped with the internal insertion space; the metal insert further comprises a clamping part which is bent from two lateral sides of the plate body part, extends and is formed in the extension arm, the clamping part is exposed in the assembly space, and clamping blocks clamped below the clamping parts are arranged on two lateral sides of the rear extension part of the insulating main body so as to fix the insulating block in the insulating base.

Preferably, the buckle portion comprises a buckle vertical wall and a buckle end portion formed by bending the top end of the buckle vertical wall inwards, a buckle space is formed below the buckle end portion, and two lateral sides of the rear extension portion of the insulating block are clamped into the buckle space for internal fixation.

Preferably, the fixing portion of the conductive terminal is bent obliquely downward and backward to form a sinking portion, the soldering leg extends horizontally from the rear end of the sinking portion, the conductive terminal comprises a signal terminal and a grounding terminal for separating the signal terminal, the soldering leg of the grounding terminal extends horizontally from the rear end of the sinking portion and then bends downward and then extends horizontally, the soldering leg of the grounding terminal and the soldering leg of the signal terminal are staggered in the vertical direction and the longitudinal direction, and the insulating block comprises an insulating main body for forming the fixing portion of the conductive terminal, a rear extension portion formed by extending backward from the rear end of the bottom of the insulating main body and a clearance portion formed at the bottom of the front end of the insulating main body, and the clearance portion is partially overlapped with the inner inserting space.

Preferably, the rear extension portion includes a soldering stage supporting the soldering leg of the signal terminal, a protrusion separating the soldering stage and Rong Xicao arranged on two lateral sides of the soldering stage, the rear end of the sinking portion of the ground terminal is formed in the protrusion, and the soldering leg of the ground terminal extends to the rear of the bottom of the protrusion and is electrically contacted or soldered with the board body.

Preferably, the metal insert further comprises clamping portions which are bent upwards at two transverse ends to be formed in the extension arms, the clamping portions are located on the upper surface of the plate body portion to form clamping spaces, the clamping portions are exposed in the clamping spaces, protruding points are formed on the clamping portions in a stamping mode, and the cable assembly is clamped and limited in the clamping spaces between the clamping portions.

Preferably, the cable assembly comprises a cable support and a plurality of cables fixed in the cable support, the cables are coaxial, the cable support comprises a lower soldering lug and an upper soldering lug which clamp a braiding layer of the cables in the cable support, and conductive adhesive filled between the lower soldering lug and the upper soldering lug and used for coating the braiding layer, the lower soldering lug is fixed with the upper surface of a plate body of the metal insert through spot welding, and the upper soldering lug is fixed with an upper cover plate of the shielding shell through spot welding.

According to the application, the insulating base body is integrally injection molded by the metal insert, the insulating block is integrally injection molded by the conductive terminal, and then the terminal module injection molded by the conductive terminal is assembled on the metal insert and the insulating base body to be fixed, so that the technical problems of extra small size, high precision, high processing difficulty and easy damage of the die caused by the fact that a terminal groove and a barrier are required to be formed at the periphery of an elastic contact arm of the conductive terminal in the prior art when the metal insert and the conductive terminal are injection molded at one time are avoided. And the conductive terminals and the metal inserts are subjected to injection molding, and then the material strips are removed in a cutting mode, so that the automatic production is facilitated.

The metal inserts are provided with the clamping end parts at two sides of the assembly space to primarily clamp the insulating block below the clamping end parts, so that the technical problem that the insulating block is easy to loosen and misplacement in subsequent assembly is avoided; meanwhile, the welding pins of the signal terminal and the grounding terminal are arranged in a staggered mode in the vertical direction and the longitudinal direction, and welding difficulty caused by small size is reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:

Example 1

FIG. 1 is a perspective view of a radio frequency plug according to the present application;

FIG. 2 is a perspective view of another angle of the RF plug of the present application;

FIG. 3 is an exploded perspective view of the RF plug of the present application;

fig. 4 is a perspective view of a metal insert of the rf plug of the present application;

FIG. 5 is a perspective view of a metal insert and an insulating housing of a radio frequency plug according to the present application;

FIG. 6 is a perspective view of a metal insert and an insulating housing of a radio frequency plug according to another embodiment of the present application;

FIG. 7 is a perspective view of a conductive terminal and insulating block of the RF plug of the present application;

fig. 8 is a perspective view of a conductive terminal of the rf plug of the present application;

fig. 9 is a perspective view of the rf plug of the present application with the shield removed;

FIG. 10 is a cross-sectional view taken along the line A-A of FIG. 1;

FIG. 11 is a cross-sectional view taken along the dashed line B-B of FIG. 1;

FIG. 12 is a perspective view of a cable and cable holder combination of the RF plug of the present application;

fig. 13 is a perspective combined view of the cable and the cable holder of the rf plug according to the present application after removing the conductive adhesive.

Example two

Fig. 14 is a perspective view of a radio frequency plug according to the present application;

Fig. 15 is a perspective view of the upper cover plate of the shielded housing of the rf plug of the present application;

fig. 16 is a perspective view of a shield frame of a shield housing of a radio frequency plug of the present application.

Description of the main reference numerals

A shielding shell-10; an upper cover plate-11; a cover-111; flanging-112; a shielding frame-12; a front frame body-121; a side frame-122; an inward fold-123; tail frame-124; a holding portion-125; ribs (grooves) -126; a welding surface-127; an insulating base body-20; a butt joint end-21; a bottom wall-211; a projection-212; a barrier-213; terminal slot-214; an extension arm-22; a first arm section-221; a second arm-222; metal insert-30; a plate body part-31; front plate portion-311; a back plate portion-312; a clamping part-32; a first vertical wall-321; a second vertical wall-322; bending the top to 323; a fastening part-33; a buckle vertical wall-331; a snap end-332; a snap space-333; a conductive terminal-40; a signal terminal-40 a; a ground terminal-40 b; a holding portion (41); a fillet-42; a step portion-421; a resilient contact arm-43; a first elastic arm-431; a second elastic arm-432; a third elastic arm-433; bending the end part to 434; a contact portion-435; a sink-44; a cable holder-50; lower lug-51; clamping the bottom wall-511; vertical section-512; lower convex hull-513; upper lug-52; clamping the top wall-521; upper convex hull-522; conducting resin-53; insulating block-60; an insulating body-61; a rear extension-62; a welding table-621; a protrusion-622; a latch-623; rong Xicao-624; a clearance part-63; a cable-C; a center conductor-C1; an inner insulating layer-C2; braid-C3; and an outer insulating layer-C4.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the application.

The definition of the directions in the present application is based on fig. 1, and the definition is based on the front of the front-back direction (longitudinal direction) in the X direction, the right of the left-right direction (transverse direction) in the Y direction, and the upper of the up-down direction (left-right direction) in the Z direction.

Example 1

Fig. 1 to 13 are drawings illustrating the description of the first embodiment, and show the product structure of the first embodiment in detail.

Referring to fig. 1 to 3, the rf plug of the present application includes an insulating housing 20, a metal insert 30 formed in the insulating housing 20, a terminal module assembled in the insulating housing 20, a cable assembly, and a shielding shell 10 covering the insulating housing 20.

Referring to fig. 4, 5 and 6, the metal insert 30 includes a plate body 31 having a front plate 311 and a rear plate 312, a fastening portion 33 formed by bending and extending upward from two lateral sides of the front plate 311, and a clamping portion 32 formed by bending and extending upward from two lateral sides of the rear plate 312. The fastening portion 33 includes a fastening vertical wall 331 formed by bending upward from two lateral sides of the front plate portion 311 and extending vertically, and a fastening end portion 332 formed by bending inward from the fastening vertical wall 331, wherein a fastening space 333 is formed below the fastening end portion 332. The clamping portion 32 includes a first vertical wall 321 formed by bending upward from two lateral sides of the rear plate portion 312 and then extending vertically, a second vertical wall 322 formed by bending reversely from the top end of the first vertical wall 321 and then extending toward the upper surface of the rear plate portion 312, and a bending top 323 connecting the first and second vertical walls 321, 322.

The insulating base 20 includes a butt end 21 and a pair of extension arms 22 extending rearward from both lateral sides of the butt end 21. The butt-joint end 21 includes a top wall 211, a protruding portion 212 formed to extend downward from the top wall 211, an inner insertion space 23 formed through the top wall 211 and the protruding portion 212, a plurality of barrier ribs 213 extending rearward from the protruding portion 212 into the inner insertion space 23, and a terminal groove 214 formed between the barrier ribs 213. The extension arm 22 includes a first arm 221 extending rearward from the bottom wall abutment 21 and a second arm 222 extending rearward from the first arm 221. A width between the pair of the first arm portions 221 is smaller than a width between the pair of the second arm portions 222.

The metal insert 30 is formed on the pair of extension arms 22, and the pair of fastening portions 33 and the clamping portion 32 are formed in the first wall portion 221 and the second arm portion 222, respectively. The space between the plate body 31 and the pair of fastening portions 33 constitutes an assembling space S2 for assembling the terminal module. The space of the plate body 31 between the pair of the clamping portions 32 constitutes a clamping space S3 in which the cable assembly is assembled. The fastening end portions 332 of the pair of fastening portions 33 and the second vertical walls 322 of the pair of clamping portions 32 are exposed in the assembling space S2 and the clamping space S3, respectively. The assembling space S2 and the clamping space S3 are both located on the upper surface of the plate body 31, and the assembling space S2 is communicated with the inner inserting space 23 in the forward direction. The insulating base 20 further includes a covering portion 24 formed on the bottom surface of the front plate 311, so that the front plate 311 is embedded in the insulating base 20. The second vertical wall 322 is stamped with a bump 324 protruding into the clamping space S3.

With continued reference to fig. 2, 3, and 7-11, the terminal module includes a plurality of conductive terminals 40 and an insulating block 60 integrally forming the conductive terminals 40. The conductive terminals 40 include signal terminals 40a and ground terminals 40b that space the signal terminals 40a apart. Each conductive terminal 40 includes a holding portion 41 formed in the insulating block 60, a solder leg 42 extending rearward from the holding portion 41, and a resilient contact arm 43 extending forward from the holding portion 41. The elastic contact arm 43 is suspended in the inner insertion space 23, and the elastic contact arm 43 includes a first elastic arm 431 extending obliquely downward and forward, a second elastic arm 432 extending downward and bent from the front end of the first elastic arm 431, a third elastic arm 433 extending obliquely upward and rearward from the end of the second elastic arm 432, a bent end 434 bending upward and forward from the end of the third elastic arm 433, and a contact part 435 formed at the bending position of the third elastic arm 433 and the bent end 434. The rear end of the holding portion 41 extends obliquely downwards to form a sinking portion 44, and the welding leg 42 is formed by bending the rear end of the book sinking portion 44 and then horizontally extending. The width of the sinking portion 44 is smaller than the width of the holding portion 41. The solder leg 42 of the ground terminal 40b is formed by bending downwards from the tail of the holding portion 41 and then extending backwards, and the horizontal position of the solder leg 42 of the ground terminal 40b is lower than the horizontal position of the solder leg 42 of the signal terminal 40 a. Thereby, a step 421 is formed at the rear end of the holding portion 41 of the ground terminal 40b by bending downward.

The insulating block 60 includes an insulating main body 61 covering the holding portion 41 of the conductive terminal 40, a rear extension portion 62 extending rearward from the rear end of the bottom of the insulating main body 61, and a clearance portion 63 opened at the bottom of the front end of the insulating main body 61. The space 63 partially overlaps the inner insertion space 23, a portion of the first spring arm 431, a portion of the second spring arm 432, and a portion of the third spring arm 433 of the elastic contact arm 43 are separated by the barrier 213, and the contact portion 435 is exposed rearward in the inner insertion space 23. The solder leg 42 of the signal terminal 40a extends above the rear extension 62, and the solder leg 42 of the ground terminal 40b extends to the upper surface of the board body 31 for electrical contact or soldering. A solder land 621 is formed at the position of the rear extension 62 corresponding to the solder leg 42 of the signal terminal 40a, a protrusion 622 is disposed between the solder lands 621 to partially cover the holding portion 41 of the ground terminal 40b, and solder grooves 624 are formed on two lateral sides of the solder land 621 in a downward recessed manner. The rear extension 62 is formed with a clamping block 623 clamped into the clamping space 333 at two lateral sides thereof so that the terminal module is inserted into the assembly space S2 to be initially positioned.

The shielding shell 10 includes an upper cover plate 11 covering the insulating base 20 and the insulating block 60, and a shielding frame 12 bent downward from the front end of the upper cover plate 11 and then wrapped around the insulating base 20. An external plugging space S1 is formed between the protruding portion 212 of the insulating base 20 and the shielding housing 12, and a top surface of the external plugging space S1 is the top wall 211.

Referring to fig. 12 and 13, the cable assembly includes a cable support 50 and a plurality of cables C fixed in the cable support 50, wherein the cables C are coaxial wires, and each cable C includes a central conductor C1, an inner insulating layer C2 coated outside the central conductor C1, a braid C3 coated on the outer periphery of the inner insulating layer C2, and an outer insulating layer C4 coated outside the braid C3. The cable holder 50 includes a lower soldering lug 51 and an upper soldering lug 52 which clamp the braid C3 of the cable C therein, and a conductive adhesive 53 filled between the lower soldering lug 51 and the upper soldering lug 52 and covering the braid C3. The lower soldering lug 51 comprises a clamping bottom plate 511, vertical parts 512 formed by bending and extending upwards from two transverse ends of the clamping bottom plate 511, and lower convex hulls 513 formed by punching upwards from the clamping bottom plate 511 and spaced from the woven layer C3. The upper lug 52 is a clamping top plate 521, and the clamping top plate 521 is punched downward to form upper convex hulls 522 that space the braid C3 apart. The two lateral ends of the clamping top plate 521 are clamped between the vertical portions 512 of the lower soldering lug 51 and are welded and fixed with the vertical portions 512. The upper convex hull 522 is spaced apart from the lower convex hull 513 by the braid C3 to facilitate positioning of the cable C.

After the cable C is fixed by the cable bracket 50, the cable bracket 50 is inserted into the clamping space S3 above the plate body 31, so that the vertical portion 512 is clamped between the pair of clamping arm portions 32 of the metal insert 30, and the vertical portion 512 is electrically contacted with the bump 324 on the second vertical wall 322 and grounded.

The center conductor C1 of the cable C extends above the solder leg 42 of the signal terminal 40a and is soldered. Subsequently, the shielding shell 10 is covered outside the insulating base 20, the upper soldering lug 52 is fixed with the upper cover plate 11 of the shielding shell 10 by spot welding, and the lower soldering lug 51 is fixed with the upper surface of the plate body 31 of the metal insert 30 by spot welding.

In this embodiment, the insulating base 20 is integrally injection molded by the metal insert 30, the insulating block 60 is integrally injection molded by the conductive terminal 40, and then the terminal module injection molded by the conductive terminal 40 is assembled to the metal insert 30 and fixed on the insulating base 20, so that the technical problems of the prior art that the metal insert 30 and the conductive terminal 40 are injection molded at one time, and the terminal groove 214 and the barrier 213 need to be formed on the periphery of the elastic contact arm 43 of the conductive terminal 40, which results in the over-small size and over-high precision of the die, so that the processing difficulty is high and the die is easy to damage are avoided. And the conductive terminals 40 and the metal inserts 30 are cut to remove the material strips after injection molding, so that the automatic production is facilitated.

In this embodiment, the metal insert 30 is provided with the fastening end portions 332 at two sides of the assembly space S2 to primarily fasten the insulating block 60 below the fastening end portions 332, so as to avoid the technical problem that the insulating block 60 is easy to loosen and misplacement in subsequent assembly; meanwhile, the solder feet 42 of the signal terminal 40a and the ground terminal 40b are arranged in a staggered manner in the vertical direction and the longitudinal direction, so that the welding difficulty caused by small size is reduced.

Example two

Referring to fig. 9, 14-16, the second embodiment is different from the first embodiment in the structure of the shielding shell 10.

The shielding shell 10 of the present embodiment includes an upper cover plate 11 and a shielding frame 12 with separate structures, the upper cover plate 11 covers the insulating base 20 and the insulating block 60, and the upper cover plate 11 includes a cover body 111 and a flange 112 formed by bending downwards from the outer circumference of the cover body 111. The bottom surface of the flange 112 is a horizontal surface. The shielding frame 12 includes a front frame 121 surrounding the front end of the abutting end 21 of the insulating base 20, a side frame 122 bent back from two lateral ends of the front frame 121 and extending and wrapping the abutting end 21 laterally and peripherally, an inward folded portion 123 bent back from the side frame 122 to the inside and clamping the outer side of the first arm 221 of the extension arm 22, a tail frame 124 extending back from the rear end of the inward folded portion 123 to the outer side of the second arm 222, and a holding portion 125 bent back from the bottom of the tail frame 124 and wrapping the bottom surface of the plate 31 of the metal insert 30. The side frame 122 has a protrusion or a groove 126 punched on a wall thereof to be engaged with a docking rf socket (not shown). A plurality of welding surfaces 127 are arranged on the top surface of the shielding frame 12, and the top surface of the shielding frame 12 is attached to the lower surface of the cover body 111 of the upper cover plate 11 and fixed by spot welding.

During assembly, the upper cover plate 11 and the shielding frame 12 are directly covered on the upper and lower sides of the insulating base 20, and then spot welding is performed from the upper surface of the upper cover plate 11 to fix the welding surface 127 of the upper cover plate 11 and the shielding frame 12 into a whole. The flange 112 of the upper cover plate 11 is located at the outer periphery of the shielding frame 12.

In this embodiment, by designing the shielding shell 10 into the split upper cover plate 11 and shielding frame 12 structures, the process of separately punching and forming the upper cover plate 11 and the shielding frame 12 is simple, the requirement on the folding precision is reduced, and the shielding shell 10 does not need to be folded in the process of assembling the shielding shell 10, so that the difficulty and the machining precision of the assembling process are greatly reduced.

The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and variations of the present application will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the application are to be included in the scope of the claims of the present application.

Claims (9)

1. The radio frequency plug is characterized by comprising an insulating base body integrally formed with a metal insert, an insulating block integrally formed with a plurality of conductive terminals, a cable assembly welded with the conductive terminals and a shielding shell coated outside the insulating base body and the insulating block, wherein the insulating base body comprises a butt joint end provided with an inner insertion space in the vertical direction and a pair of extension arms formed by extending backwards from the butt joint end, the metal insert comprises a plate body part, two lateral sides of the plate body part are bent upwards and are formed in the extension arms, an assembly space communicated with the inner insertion space is formed on the upper surface of the metal insert, the insulating block and the conductive terminals on the insulating block are downwards assembled and fixed in the assembly space, and the conductive terminals comprise a fixing part formed in the insulating block and elastic contact arms extending forwards from the fixing part and suspending in the inner insertion space;

The insulating block comprises an insulating main body for coating the conductive terminal, a rear extension part formed by extending backwards from the rear end of the bottom of the insulating main body, and a clearance part arranged at the bottom of the front end of the insulating main body, wherein the clearance part is partially overlapped with the internal insertion space; the metal insert further comprises a clamping part which is bent from two lateral sides of the plate body part, extends and is formed in the extension arm, the clamping part is exposed in the assembly space, and clamping blocks which are clamped below the clamping parts are arranged on two lateral sides of the rear extension part of the insulating main body so as to fix the insulating block in the insulating base;

The conductive terminal further comprises a fixing part formed in the insulating block and a welding leg formed by extending backwards from the fixing part, the fixing part of the conductive terminal is bent downwards obliquely to form a sinking part, the welding leg horizontally extends from the rear end of the sinking part, the conductive terminal comprises a signal terminal and a grounding terminal for separating the signal terminal, the welding leg of the grounding terminal horizontally extends from the rear end of the sinking part, then is bent downwards, and then horizontally extends, and the welding leg of the grounding terminal and the welding leg of the signal terminal are staggered in the vertical direction and the longitudinal direction.

2. The radio frequency plug according to claim 1, wherein the abutting end comprises a top wall, a protruding part protruding downwards from the middle position of the top wall, a plurality of barriers extending backwards from the protruding part, and terminal grooves formed between the barriers, and the plugging space is located behind the barriers; the shielding shell comprises an upper cover plate and a shielding frame, wherein the upper cover plate covers the insulating base and the insulating block, the shielding frame is arranged on the front side and the transverse outer side of the insulating base in a surrounding mode, and an external plug-in space is formed between the protruding portion and the shielding frame.

3. The rf plug of claim 2, wherein the resilient contact arm extends forward from the holding portion, the resilient contact arm including a first spring arm extending obliquely downward and forward, a second spring arm extending downward from a front end of the first spring arm, a third spring arm extending obliquely upward and rearward from a distal end of the second spring arm, a bent end portion bent upward and forward from a distal end of the third spring arm, and a contact portion formed at a bent position of the third spring arm and the bent end portion.

4. The radio frequency plug of claim 3, wherein a portion of the first spring arm, a portion of the second spring arm, and a portion of the third spring arm of the spring contact arm are each positioned within the terminal slot and separated by the barrier, the contact portion being rearwardly exposed within the interior insertion space.

5. The radio frequency plug according to claim 4, wherein the fastening portion comprises a fastening vertical wall and a fastening end portion formed by bending inwards from the top end of the fastening vertical wall, a fastening space is formed below the fastening end portion, and two lateral sides of the rear extension portion of the insulating block are fastened in the fastening space for fixation.

6. The radio frequency plug according to claim 4, wherein the insulating block includes an insulating body forming a holding portion of the conductive terminal, a rear extension portion extending rearward from a rear end of a bottom portion of the insulating body, and a clearance portion provided at a bottom portion of a front end of the insulating body, the clearance portion partially overlapping the internal insertion space.

7. The rf plug of claim 6 wherein the rear extension includes a land supporting the solder leg of the signal terminal, a protrusion separating the land and Rong Xicao opening on either lateral side of the land, the rear end of the ground terminal dip being formed in the protrusion, the solder leg of the ground terminal extending to the rear of the bottom of the protrusion and being in electrical contact with or soldered to the plate portion.

8. The rf plug of claim 7, wherein the metal insert further comprises clamping portions bent upward at both lateral ends into the extension arms, the clamping portions being formed with clamping spaces on the upper surface of the plate body, the clamping portions being exposed in the clamping spaces, the clamping portions being stamped with bumps, the cable assembly being clamped in the clamping spaces between the clamping portions.

9. The rf plug of claim 8, wherein the cable assembly includes a cable support and a plurality of cables secured within the cable support, the cables being coaxial, the cable support including a lower tab and an upper tab that clamp a braid of the cables therein and a conductive adhesive filled between the lower tab and the upper tab that encapsulates the braid, the lower tab being spot welded to an upper surface of a plate body of the metal insert, the upper tab being spot welded to an upper cover plate of the shield case.