CN213753166U

CN213753166U - Radio frequency connector

Info

Publication number: CN213753166U
Application number: CN202120107132.XU
Authority: CN
Inventors: 刘蓓林
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-07-20
Anticipated expiration: 2031-01-15
Also published as: WO2022151713A1

Abstract

The utility model relates to a radio frequency connector, a first connecting component comprises a first connecting seat, a first insulating piece and a first conductor inner core which are integrally formed, a second connecting component comprises a second connecting seat and a second insulating piece which are integrally formed, the second conductor inner core, the transmission assembly includes the outer conductor, the outer sleeve, the inner conductor, the both ends of outer conductor all form a plurality of external contact shell fragment, both ends contact shell fragment and connect the inner wall at the inner wall of first connecting seat and second connecting seat respectively, the inside both ends of outer conductor all are provided with the third insulator, the both ends of inner conductor are connected respectively on the third insulator of both sides, the both ends of inner conductor all form a plurality of internal contact shell fragment, the inner of first conductor inner core and the inner of second conductor inner core are connected respectively between the internal contact shell fragment, just form a plurality of fluting to the position of inner conductor shell fragment on the third insulator. The utility model discloses radio frequency connector spare part constitutes retrencies, convenient assembling, impedance is low, signal transmission is stable, reliable.

Description

Radio frequency connector

Technical Field

The utility model relates to a signal transmission connector technical field especially relates to a radio frequency connector.

Background

The radio frequency connector can be used for interconnection between a circuit board (PCB) and a circuit board (PCB), between a radio frequency module and a radio frequency module, and between the circuit board (PCB) and the radio frequency module. The existing radio frequency connector generally adopts a three-piece structure, and comprises two connecting components and a transmission component arranged between the two connecting components, and the existing radio frequency connector with the three-piece structure has the following technical problems: 1. the connecting assembly is formed by connecting the outer shell and the inner shell, so that the product assembling efficiency is influenced, and the transmission assembly connected with the inner shell deflects to influence the normal signal transmission of the radio frequency connector; 2. the structure of the insulating part on the transmission assembly fully wraps the inner conductor part, so that the impedance of the inner conductor part is increased, and the normal work of the radio frequency connector is influenced; 3. the bottom surface of the conductor inner core on the connecting assembly and the bottom surface of the shell are theoretically in the same plane when being welded, however, due to errors in assembly or components, the conductor inner core causes a false welding condition when the patch is welded on a circuit board (PCB), and the radio frequency connector cannot be normally electrically connected.

Disclosure of Invention

In view of this, the present invention provides a radio frequency connector with simple components, convenient assembly, low impedance and reliable signal transmission.

In order to achieve the above object, the present invention adopts a radio frequency connector, which comprises a first connecting assembly, a second connecting assembly, and a transmission assembly connected between the first connecting assembly and the second connecting assembly, wherein the first connecting assembly comprises an integrally formed first connecting seat, a first insulating member connected to the bottom of the first connecting seat, and a first conductor inner core connected to the first insulating member, the second connecting assembly comprises an integrally formed second connecting seat, a second insulating member connected to the bottom of the second connecting seat, and a second conductor inner core connected to the second insulating member, the transmission assembly comprises an outer conductor, an outer sleeve connected to the outer conductor, and an inner conductor disposed inside the outer conductor, wherein a plurality of outer contact spring pieces are formed at both ends of the outer conductor, and the outer contact spring pieces are respectively connected to the inner wall of the first connecting seat and the inner wall of the second connecting seat, the inner end of the first conductor inner core and the inner end of the second conductor inner core are respectively connected between the inner contact elastic sheets, and a plurality of slots are formed in the third insulating part just opposite to the inner contact elastic sheets.

The main bodies of the first connecting assembly and the second connecting assembly of the radio frequency connector are respectively formed by the integrally formed connecting seats, so that the first insulating part and the second insulating part are conveniently positioned and assembled on the first connecting seat and the second connecting seat respectively, and the first conductor inner core and the second conductor inner core are kept in a coaxial relationship with the inner conductor as much as possible, so that the signal connection reliability of the radio frequency connector is higher; the inner of first conductor inner core and the inner of second conductor inner core are connected respectively between the interior contact shell fragment, can make the interior contact shell fragment at inner conductor both ends strut to the periphery, and grooved setting does benefit to the action of interior contact shell fragment, and according to the characteristic impedance of radio frequency connector, the internal diameter of inner conductor is big more, and characteristic impedance diminishes relatively to realize impedance matching, improve radio frequency signal's transmission ability.

The utility model discloses further set up to the protruding first locating piece that forms of inner wall of first connecting seat, one side that first insulating part is close to first locating piece forms first positioning groove, first positioning groove and the laminating of first locating piece.

The utility model discloses further set up to the inboard of first locating piece and form annular linkage segment, one side of annular linkage segment forms annular constriction section, the end that is close to the sleeve shell fragment of first connecting seat on the inner skleeve forms the arc convex surface, the laminating of arc convex surface and annular linkage segment, the internal diameter that the annular constriction section is less than the internal diameter of annular linkage segment.

Above-mentioned structure is convenient for first insulating part location on first connecting seat, and the annular linkage section forms interference fit with the cooperation of arc convex surface, the deflection that certain angle (within 20) took place for the outer conductor still can guarantee that both are in normal connection state, the annular section of narrowing carries on spacingly to the arc convex surface, avoid the inner conductor to break away from on first connecting seat, the structure of annular linkage section and annular section of narrowing is respectively with the outer shell fragment cooperation that contacts of outer conductor, make the stiff end of first connecting seat conduct outer conductor, the second connecting seat then uses as swing joint end.

The utility model discloses further set up to the protruding second locating piece that forms of inner wall of second connecting seat, one side that the second insulator is close to the second locating piece forms second positioning groove, second positioning groove and the laminating of second locating piece.

The utility model discloses the end that is close to the outer contact shell fragment of second connecting seat on the outer conductor forms the arc convex surface, the inner wall laminating of arc convex surface and second connecting seat.

Above-mentioned structure is convenient for the second insulator location on the second connecting seat, and the arc convex surface forms interference fit with the inner wall of second connecting seat, and the outer conductor takes place deflection of certain angle and still can guarantee that both are in normal connected state.

The utility model discloses further set up to all form a plurality of welding feet that are in the coplanar all around the bottom of first connecting seat and the bottom of second connecting seat, the outer end of first conductor inner core and the welding foot of first connecting seat are in the coplanar, the outer end of second conductor inner core and the welding foot of second connecting seat are in the coplanar.

The utility model discloses further set up to the bottom of first connecting seat all around and the bottom of second connecting seat all form a plurality of welding feet that are in the coplanar all around, the outside plane that surpasss the welding foot place of first connecting seat that extends in the outer end of first conductor inner core, the outside plane that surpasss the welding foot place of second connecting seat that extends in the outer end of second conductor inner core.

The utility model discloses it is unanimous to further set up to first conductor inner core and second conductor inner core structure, the welding foot cross section of first conductor inner core is personally submitted squarely, first conductor inner core and the cross section of interior contact shell fragment connection position personally submit circularly, and second conductor inner core and the cross section of interior contact shell fragment connection position personally submit circularly.

The outer end of the conductor inner core and the welding pin of the corresponding connecting seat are positioned on the same plane, and the conductor inner core and the welding pin are connected to the PCB in a patch mode; the outer end of the other conductor inner core exceeds the plane where the welding pin of the corresponding connecting seat is located, the conductor inner core penetrates through a PCB board to be welded, the welding pin is connected to the PCB board in a patch mode, the conductor inner core is formed by punching and processing a plate, the traditional machining process is replaced, and the cylindrical structure of the conductor inner core is convenient to be electrically connected with the inner contact elastic sheet.

Drawings

Fig. 1 is an exploded view of an embodiment of the present invention.

Fig. 2 is a cross-sectional view of an embodiment of the present invention.

Fig. 3 is an exploded view of a portion of a transmission assembly in accordance with an embodiment of the present invention.

Fig. 4 is a schematic diagram of an application connection according to an embodiment of the present invention.

Fig. 5 is a schematic diagram of connection in the second application of the embodiment of the present invention.

Fig. 6 is a perspective view of a second first conductor core according to an embodiment of the present invention.

Detailed Description

Example one

As shown in fig. 1-4, the present invention relates to a radio frequency connector, which comprises a first connecting assembly 1, a second connecting assembly 2, and a transmission assembly 3 connected between the first connecting assembly 1 and the second connecting assembly 2, wherein the first connecting assembly 1 comprises an integrally formed first connecting seat 11, a first insulating member 12 connected to the bottom of the first connecting seat 11, and a first conductor core 13 connected to the first insulating member 12, a first positioning block 111 is formed by a protrusion on the inner wall of the first connecting seat 11, a first positioning groove 121 is formed on one side of the first insulating member 12 close to the first positioning block 111, the first positioning groove 121 is attached to the first positioning block 111, the second connecting assembly 2 comprises an integrally formed second connecting seat 21, a second insulating member 22 connected to the bottom of the second connecting seat 21, and a second conductor core 23 connected to the second insulating member 22, the inner wall of the second connection seat 21 protrudes to form a second positioning block 211, one side of the second insulating element 22 close to the second positioning block 211 forms a second positioning groove 221, the second positioning groove 221 is attached to the second positioning block 211, the transmission assembly 3 includes an outer conductor 31, an outer sleeve 32 connected to the outer conductor 31, and an inner conductor 33 arranged inside the outer conductor 31, two ends of the outer conductor 31 both form a plurality of outer contact spring pieces 331, the inner side of the first positioning block 11 forms an annular connection section 112, one side of the annular connection section 112 forms an annular narrowing section 113, the end of the outer contact spring piece 311 close to the first connection seat 11 on the outer conductor 31 forms an arc convex surface 3111, the arc convex surface 3111 is attached to the annular connection section 12, the inner diameter of the annular narrowing section 13 is smaller than that of the annular connection section 12, the end of the outer contact spring piece 311 close to the second connection seat 21 on the outer conductor 31 also forms an arc convex surface 3111, the arc-shaped convex surface 3111 is attached to the inner wall of the second connecting seat 21, third insulating members 34 are disposed at both ends of the inner portion of the outer conductor 31, two ends of the inner conductor 33 are respectively connected to the third insulating parts 34 at two sides, a plurality of inner contact spring sheets 331 are formed at two ends of the inner conductor 33, the inner ends of the first conductor core 13 and the second conductor core 23 are respectively connected between the inner contact spring pieces 331, a plurality of slots 341 are formed on the third insulating member 34 at positions opposite to the inner contact spring pieces 331, a plurality of welding feet (114,212) which are positioned on the same plane are formed on the periphery of the bottom of the first connecting seat 11 and the periphery of the bottom of the second connecting seat 21, the outer end of the first conductor inner core 13 and the welding foot 114 of the first connecting seat 11 are in the same plane and attached to the first PCB 4, the outer end of the second conductor inner core 23 and the welding pin 212 of the second connection seat 21 are in the same plane and attached to the second PCB board 5.

Example two

Referring to fig. 5 and 6, the second embodiment is different from the first embodiment in the positional relationship between the conductor core and the soldering pins, a plurality of soldering pins (114,212) are formed around the bottom of the first connecting seat 11 and around the bottom of the second connecting seat 21, the outer end of the first conductor core 13 extends outwards beyond the plane of the soldering feet 114 of the first connector block 11 and through the first PCB 4, the outer end of the second conductor core 23 extends outward beyond the plane of the soldering leg 212 of the second connecting socket 21 and passes through the second PCB board 5, the first conductor inner core 13 and the second conductor inner core 23 have the same structure, the cross section of the welding pin of the first conductor inner core 13 is square, the cross section of the connection part of the first conductor inner core 13 and the inner contact spring piece 331 is circular, and the cross section of the connection part of the second conductor inner core 23 and the inner contact spring piece 331 is circular.

According to the above embodiment, the main bodies of the first connecting assembly and the second connecting assembly of the radio frequency connector of the present invention are both formed by the integrally formed connecting seats, so that the first insulating member and the second insulating member are respectively positioned and assembled on the first connecting seat and the second connecting seat, and the first conductor inner core and the second conductor inner core are in coaxial relationship with the inner conductor as much as possible, so that the reliability of signal transmission of the radio frequency connector is higher; the inner of first conductor inner core and the inner of second conductor inner core are connected respectively between the interior contact shell fragment, can make the interior contact shell fragment at inner conductor both ends strut to the periphery, and the grooved setting does benefit to the action of interior contact shell fragment, and according to the characteristic impedance of radio frequency connector, the internal diameter of inner conductor is big more, and characteristic impedance diminishes relatively to realize impedance matching, improve radio frequency signal's reflectance.

In addition to the above embodiments, there are also other embodiments of the present invention, and those skilled in the art can make various corresponding changes and modifications according to the present invention without departing from the spirit and scope of the present invention, and those changes and modifications are equivalent to the technical solutions in the present patent, and then those corresponding changes and modifications are all within the scope of the appended claims.

Claims

1. The utility model provides a radio frequency connector, includes first connecting assembly, second coupling assembling, connects the transmission subassembly between first connecting assembly and second coupling assembling, its characterized in that: the first connecting assembly comprises an integrally formed first connecting seat, a first insulating part connected to the bottom of the first connecting seat, and a first conductor inner core connected to the first insulating part, the second connecting assembly comprises an integrally formed second connecting seat, a second insulating part connected to the bottom of the second connecting seat, and a second conductor inner core connected to the second insulating part, the transmission assembly comprises an outer conductor, an outer sleeve connected to the outer conductor, and an inner conductor arranged inside the outer conductor, a plurality of external contact elastic pieces are formed at two ends of the outer conductor, the external contact elastic pieces are connected to the inner wall of the first connecting seat and the inner wall of the second connecting seat respectively, third insulating parts are arranged at two ends of the inner conductor, the two ends of the inner conductor are connected to the third insulating parts at two sides respectively, a plurality of internal contact elastic pieces are formed at two ends of the inner conductor, the inner end of the first conductor inner core and the inner end of the second conductor inner core are connected between the internal contact elastic pieces respectively And a plurality of slots are formed on the third insulating part at the positions just opposite to the inner contact spring pieces.

2. The radio frequency connector of claim 1, wherein: the inner wall of the first connecting seat protrudes to form a first positioning block, one side, close to the first positioning block, of the first insulating part forms a first positioning groove, and the first positioning groove is attached to the first positioning block.

3. The radio frequency connector of claim 2, wherein: the inboard of first locating piece forms annular linkage segment, one side of annular linkage segment forms annular narrowing section, the end that is close to the outer contact shell fragment of first connecting seat on the outer conductor forms the arc convex surface, the laminating of arc convex surface and annular linkage segment, the internal diameter that the annular narrowed the section is less than the internal diameter of annular linkage segment.

4. The radio frequency connector of claim 1, wherein: the inner wall of the second connecting seat protrudes to form a second positioning block, one side, close to the second positioning block, of the second insulating part forms a second positioning groove, and the second positioning groove is attached to the second positioning block.

5. The radio frequency connector of claim 4, wherein: the tail end of the outer contact elastic sheet close to the second connecting seat on the outer conductor forms an arc-shaped convex surface, and the arc-shaped convex surface is attached to the inner wall of the second connecting seat.

6. The radio frequency connector according to any one of claims 1-5, wherein: the bottom of first connecting seat all forms a plurality of welding feet that are in the coplanar all around and the bottom of second connecting seat, the outer end of first conductor inner core and the welding foot of first connecting seat are in the coplanar, the outer end of second conductor inner core and the welding foot of second connecting seat are in the coplanar.

7. The radio frequency connector according to any one of claims 1-5, wherein: the bottom of first connecting seat all forms a plurality of coplanar welding feet all around and the bottom of second connecting seat, the outer end of first conductor inner core outwards extends and surpasss the plane at the welding foot place of first connecting seat, the outer end of second conductor inner core outwards extends and surpasss the plane at the welding foot place of second connecting seat.

8. The radio frequency connector of claim 7, wherein: the structure of the first conductor inner core is consistent with that of the second conductor inner core, the cross section of a welding pin of the first conductor inner core is square, the cross section of the connecting part of the first conductor inner core and the inner contact elastic sheet is circular, and the cross section of the connecting part of the second conductor inner core and the inner contact elastic sheet is circular.