WO2015035760A1 - 射频拉远单元、腔体滤波器及同轴连接器组件 - Google Patents

射频拉远单元、腔体滤波器及同轴连接器组件 Download PDF

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Publication number
WO2015035760A1
WO2015035760A1 PCT/CN2014/073486 CN2014073486W WO2015035760A1 WO 2015035760 A1 WO2015035760 A1 WO 2015035760A1 CN 2014073486 W CN2014073486 W CN 2014073486W WO 2015035760 A1 WO2015035760 A1 WO 2015035760A1
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WO
WIPO (PCT)
Prior art keywords
inner conductor
conductor
electrical connector
diameter
connector assembly
Prior art date
Application number
PCT/CN2014/073486
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English (en)
French (fr)
Inventor
张飞
刘爱平
Original Assignee
深圳市大富科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市大富科技股份有限公司 filed Critical 深圳市大富科技股份有限公司
Priority to CN201480038259.3A priority Critical patent/CN105474477B/zh
Publication of WO2015035760A1 publication Critical patent/WO2015035760A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
    • H01R13/6315—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only allowing relative movement between coupling parts, e.g. floating connection

Definitions

  • the present application relates to the field of connector technologies, and in particular, to a coaxial connector assembly, to a cavity filter using the coaxial connector assembly, and a radio remote unit using the cavity filter.
  • circuit board and the circuit board are generally electrically connected through a coaxial connector assembly.
  • the coaxial connector assembly of the prior art patent number CN201080062190.x shown in FIG. 1 is required to be in the second in order to achieve a stable connection between the first inner conductor 5 and the second inner conductor 14.
  • the inner conductor 14 is provided with a spring tongue 18 having a first contact bead 20 at its end, and the spring tongue 18 is functionally separated from each other by the slit 22 and bounces in the radial direction to ensure good contact performance.
  • the present application mainly solves the technical problem that the inner conductors of the prior art are easily damaged by collision and crushing during installation and use, and thus easily lead to poor contact.
  • the embodiment of the present application provides a radio frequency remote unit and cavity filtering.
  • the device and the coaxial connector assembly can effectively ensure the structural strength of the inner conductor, ensure good contact performance and are easy to insert and remove.
  • a first aspect of the present application provides a coaxial connector assembly including an adapter and a first electrical connector and a second electrical connector respectively electrically connected to the two ends of the adapter, the first electrical connector having a first inner a conductor, the second electrical connector has a second inner conductor, the adapter has a third inner conductor, the first inner conductor end is provided with a spherical body, and the second inner conductor end is provided with a needle-shaped body Or a spheroid, the two ends of the third inner conductor are respectively provided with clamping members, and in the assembled state, the first inner conductor and the second inner conductor are respectively inserted into the clamping members at the two ends of the third inner conductor, a clamping member at one end of the third inner conductor elastically clamps the spherical body at the end of the first inner conductor, and a clamping member at the other end elastically clamps the needle-like body or the spherical body at the end of the second inner conductor, so that The first electrical
  • two ends of the third inner conductor are respectively provided with blind holes, and the clamping member is inserted into the blind hole.
  • the clamping member is a thin-walled member in the shape of a cylinder
  • the clamping member comprises a clamping portion
  • the outer wall of the clamping portion is stepped, and comprises an enlarged diameter area and an outer diameter smaller than an outer diameter of the blind hole.
  • a diameter contraction region of the blind hole wherein the clamping portion is provided with a slit extending in the axial direction to at least the through-diameter enlarged region.
  • the interface between the diameter contraction area and the diameter expansion area of the clamping portion is provided with an engaging portion, and the inner wall of the engaging portion is gradually reduced in diameter toward the opening direction of the blind hole.
  • the clamping member is a thin-walled member having a cylindrical shape, and comprises a clamping portion, wherein an inner hole of the clamping portion gradually increases in diameter toward a blind hole opening direction.
  • the clamping member further includes an engaging portion connected to the small diameter end of the clamping portion, and the inner hole of the engaging portion gradually decreases in diameter toward the blind hole opening direction.
  • the third inner conductor is respectively provided with a blind hole at both ends, and the clamping member is a hole wall of the blind hole, and the inner diameter of the blind hole is gradually reduced toward the opening direction thereof.
  • the first electrical connector has a first outer conductor surrounding the first inner conductor
  • the second electrical connector has a second outer conductor surrounding the second inner conductor
  • the adapter has a surround a third outer conductor of the third inner conductor, a center of the first outer conductor and the second outer conductor opening a through hole for receiving the third outer conductor, and outer circumferences of the two ends of the third outer conductor are respectively respectively respectively
  • There is a ring of protrusions which are axially slidable relative to the inner wall of the through hole.
  • a second aspect of the present application provides a coaxial connector assembly including an adapter and a first electrical connector and a second electrical connector respectively electrically connected to both ends of the adapter, the first electrical connector having a first inner a conductor, the second electrical connector having a second inner conductor, the adapter having a third inner conductor having a first end and a second end, the first end of the third inner conductor And the first inner conductor end portion is provided with a clamping member; the second inner conductor end portion is provided with a spherical body, and the second inner end portion of the third inner conductor is provided with a needle-shaped body, in an assembled state Next, the second inner conductor is inserted into the first end of the third inner conductor, and the clamping member of the first end end of the third inner conductor elastically clamps the spherical body, the third inner conductor a second end is inserted into the first inner conductor, and a clamping member of the first inner conductor end elastically clamps the needle body, so that the first electrical
  • the second inner conductor is inserted into the first end of the third inner conductor, and the clamping member of the first end end of the third inner conductor Elastically clamping the needle body, a second end of the third inner conductor is inserted into the first inner conductor, and a clamping member of the first inner conductor end elastically clamps the spherical body, so that The first electrical connector, the second electrical connector are moveable axially and radially relative to the adapter.
  • the end of the first inner conductor and the end of the first end of the third inner conductor are respectively provided with blind holes, and the clamping member is inserted into the blind hole.
  • the clamping member is a thin-walled member having a cylindrical shape, comprising a clamping portion, the outer wall of the clamping portion is stepped, and includes a diameter enlarged region having an outer diameter larger than the blind hole and a diameter contraction smaller than the blind hole.
  • the nip portion is provided with a slit extending in the axial direction to at least the through-diameter enlarged region.
  • the interface between the diameter contraction area and the diameter expansion area of the clamping portion is provided with an engaging portion, and the inner wall of the engaging portion is gradually reduced in diameter toward the opening direction of the blind hole.
  • the clamping members are all thin-walled members having a cylindrical shape, and comprise a clamping portion, wherein the inner hole of the clamping portion gradually increases in diameter toward the opening of the blind hole.
  • the clamping member further comprises an engaging portion connected to the small diameter end of the clamping portion, and the inner hole of the engaging portion is gradually reduced in diameter toward the opening direction of the blind hole.
  • the end of the first inner conductor and the end of the first end of the third inner conductor are respectively provided with blind holes
  • the clamping member is a hole wall of the blind hole
  • the inner diameter of the blind hole Gradually shrink toward its opening.
  • the first electrical connector has a first outer conductor surrounding the first inner conductor
  • the second electrical connector has a second outer conductor surrounding the second inner conductor
  • the adapter has a surround a third outer conductor of the third inner conductor, a center of the first outer conductor and the second outer conductor opening a through hole for receiving the third outer conductor, and outer circumferences of the two ends of the third outer conductor are respectively respectively respectively
  • There is a ring of protrusions which are axially slidable relative to the inner wall of the through hole.
  • a third aspect of the present application provides a cavity filter comprising a PCB circuit board and a coaxial connector assembly coupled to the PCB circuit board, the coaxial connector assembly being any of the coaxial connector assemblies described above.
  • the fourth aspect of the present application provides a radio remote unit, including an intermediate frequency module, a transceiver module, a power amplifier, and a filtering module, where the filtering module includes a cavity filter, the cavity filter includes a PCB circuit board, and A coaxial connector assembly to which the PCB circuit board is attached, the coaxial connector assembly being any of the above described coaxial connector assemblies.
  • the present application achieves an elastic clamping fit between the inner conductors by means of a clamping member by providing a clamping member that cooperates with the inner conductor.
  • the application can effectively avoid collision, crush damage and poor contact during installation and use, and can effectively ensure the structural strength of the inner conductor, ensure good contact performance and facilitate insertion and removal.
  • FIG. 1 is a schematic structural view of a prior art coaxial connector assembly
  • FIG. 2A is a schematic structural view of an embodiment of a coaxial connector assembly of the present application.
  • 2B is a schematic structural view of another embodiment of the coaxial connector assembly of the present application.
  • 2C is a schematic structural view of still another embodiment of the coaxial connector assembly of the present application.
  • FIG. 3 is a schematic structural view of an embodiment of an electrical connector of the coaxial connector assembly shown in FIG. 2C;
  • Figure 4 is a schematic structural view of an embodiment of the clamping member of the electrical connector shown in Figure 3;
  • Figure 5 is a schematic view showing the structure of an inner conductor and a clamping member of the coaxial connector assembly or the electrical connector of the present application.
  • FIG. 2A is a schematic structural view of an embodiment of a coaxial connector assembly of the present application.
  • the coaxial connector assembly of the present embodiment includes a first electrical connector, a second electrical connector, and a connection for connection.
  • the coaxial connector assembly of the present embodiment includes a cylindrical adapter and a first electrical connector electrically coupled to one end of the adapter and a second electrical connector electrically coupled to the other end of the adapter.
  • the first electrical connector of the present embodiment includes a first outer conductor 11, a first inner conductor 12, and an insulating medium 13.
  • the first outer conductor 11 may be made of a conductive material such as copper (such as brass) and processed by a turning process or the like.
  • the first electrical connector can be fixed to a product such as a circuit board through an externally threaded structure provided on the outer circumference of one end of the first outer conductor 11, and the port of the first outer conductor 11 and the cable of the circuit board, etc.
  • the outer lead wire achieves a stable electrical connection by means of soldering or the like. It is not difficult to see that the first electrical connector of the embodiment is mounted and fixed by means of an externally threaded structure, which is convenient for disassembly and facilitates inspection and the like.
  • the first outer conductor 11 of the present embodiment includes a first cylindrical portion 111 and a second cylindrical portion 112,
  • the cylindrical body portion 111 and the second cylindrical portion 112 are integrally formed.
  • only the integrally formed first outer conductor 11 is processed, which reduces the processing cost and assembly cost of the first outer conductor 11 and improves the structural strength by means of integral molding.
  • the first inner conductor 12 of the present embodiment may be made of a conductive material such as copper (such as brass) and processed by a turning process or the like.
  • the first outer conductor 11 is sleeved outside the first inner conductor 12 and the first outer conductor 11 and the first inner conductor 12 are insulated from each other.
  • the first inner conductor 12 passes through the inner core of the cable corresponding to the product such as the circuit board. A stable electrical connection is achieved by means of soldering or the like.
  • the insulating medium 13 is disposed between the inner wall of the first outer conductor 11 and the outer wall of the first inner conductor 12. Specifically, the insulating medium 13 may be partially or entirely disposed on the outer circumference of the first inner conductor 12. It should be noted that the insulating medium 13 of the present embodiment can be made by using a material such as polyetheretherketone (PEEK) and/or polytetrafluoroethylene (PTFE) and processed by a turning process to make the insulating medium 13 excellent. Heat and abrasion resistance.
  • PEEK polyetheretherketone
  • PTFE polytetrafluoroethylene
  • the insulating medium 13 may include a first insulating medium 131 and a second insulating medium 132 which are separately disposed, and the inner hole of the first outer conductor 11 Stepped, including a first diameter hole having a larger diameter and an interference fit with the first insulating medium 131, and a second shaft hole having a smaller diameter interference with the second insulating medium 132, the first insulating medium
  • the first inner conductor 12 is axially abutted on the step surface at the boundary between the first shaft hole and the second shaft hole to securely define the first insulating medium 131 in the first cylindrical portion 111, and first
  • the insulating medium 131 has an interference fit with the first cylindrical portion 111; the second insulating medium 132 is disposed in the second cylindrical portion 112 and has an interference fit with the second cylindrical portion 112.
  • the first insulating medium 131 of the present embodiment does not need to provide an extended portion enclosing the first inner conductor 12 with respect to the prior art.
  • the first shaft hole is provided with a ring-shaped annular boss 1110 near the second shaft hole, and the first insulating medium 131 is located on the inner wall of the annular boss 1110 and the outer wall of the first inner conductor 12.
  • the first insulating medium 131 is equal to the annular boss 1110, that is, the usage amount of the first insulating medium 131 is effectively saved, and the production cost is reduced.
  • the embodiment defines the position of the first insulating medium 131 by the action of the annular boss 1110, thereby effectively realizing the positioning effect on the first insulating medium 131, and does not need to adopt the prior art "first outer conductor ( 8)
  • the two parts to be connected one of which is used to press and fix the first liner (7) to the other part, reduces the process flow and saves production costs.
  • first insulating medium 131 of the present embodiment is preferably made of polyetheretherketone, and the polyetheretherketone material can be better reduced for the prior art shown in FIG. Use to reduce production costs; in addition, the second insulating medium 132 can be made of a lower cost polytetrafluoroethylene material.
  • the adapter of this embodiment may be cylindrical, and is provided with a third outer conductor 31, an insulating layer 32, a third inner conductor 33, and a clamping member 64 (see FIG. 4).
  • the third outer conductor 31 is for connecting the first outer conductor 11 of the first electrical connector and the second electrical connector. It should be noted that the inner side wall of the first outer conductor 11 of the first electrical connector of the embodiment is smoothly disposed in the axial direction, and the end of the third outer conductor 31 and the inner side wall of the first outer conductor 11 has a protrusion. (Unlabeled), after the assembly is completed, the fixing action between the inner side wall of the first outer conductor 11 and the third outer conductor 31 can be achieved by the action of the projection.
  • the insulating layer 32 is sleeved in the third outer conductor 31.
  • the insulating layer 32 can be made of an insulating material such as polyetheretherketone or polytetrafluoroethylene and processed by a turning process, and the insulating layer 32 and the third outer conductor 31.
  • a fixed connection can be made by means of an interference fit.
  • the clamping member 64 is electrically connected to the third inner conductor 33 and the clamping member 64 is disposed at the second end of the third inner conductor 33.
  • the clamping member 64 is provided with the receiving socket 640 and is inserted.
  • the hole wall of the hole 640 is provided with a slit 641 parallel to the axial direction of the third inner conductor 33.
  • the slit 641 may be two, three, four or more strips, which may be a rectangular manner parallel to the axial direction of the third inner conductor 33, or may be a triangle or other irregular pattern. Not limited. Further, in order to simplify the process flow and reduce the production cost, the present embodiment can form two slits 641 (i.e., the number of slits 641 is an even number) by one grooving process.
  • the inner side wall of the socket 640 of the embodiment has a first engaging structure 642 to make the first inner conductor 12 and the first engaging structure 642 when the first inner conductor 12 is inserted into the socket 640.
  • the snapping that is, the way to form a self-locking. It is not difficult to understand that in this way, it is ensured that the installation and stable connection when the axis between the axis of the first electrical connector and the second electrical connector are not on the same center line under the action of an external force other than pulling or the like is ensured. .
  • the slot 641 of the present embodiment is preferably disposed through the wall of the socket 640 in the radial direction of the clamping member 64.
  • the slit 641 may not extend through the end faces of the hole wall of the socket 640 in the axial direction of the clamping member 64, or may be disposed only through one end surface of the hole wall of the socket 640, which is not limited herein.
  • the clamping member 64 of the present embodiment may specifically be a cylindrical thin-walled member including a clamping portion and an engaging portion 645.
  • the outer wall of the clamping portion is stepped, and includes a diameter enlarged region 643 having an outer diameter larger than the blind hole and a diameter contraction region 644 having an outer diameter smaller than the blind hole, and the slit extends in the axial direction to at least the through diameter enlarged region 643.
  • the clamping member 64 further includes a limiting portion 646 connected to the side of the clamping portion diameter contracting region 644. The outer diameter of the limiting portion 646 is larger than the outer diameter of the enlarged diameter region 643. In the assembled state, the clamping portion is placed in the blind hole. Inside, the stepped surface between the limiting portion 646 and the diameter contraction region 644 abuts the end surface of the blind hole.
  • the engaging portion 645 is disposed at a boundary between the diameter contraction region 644 and the diameter enlarged region 643 of the clamping portion, and the inner wall of the engaging portion 645 is gradually reduced in diameter toward the blind hole opening direction. In the assembled state, the inner wall of the engaging portion 645 The card is connected to the spheroid.
  • the diameter contraction region 644 of the embodiment and the inner wall of the engaging portion 645 may also have a smooth transition (in other embodiments, a slope).
  • the third inner conductor 33 and the clamping member 64 of the present embodiment are separately disposed (i.e., processed as two separate components). As shown in FIG. 4, the third inner conductor 33 of the present embodiment is provided with a blind hole. The clamping member 64 is disposed in the blind hole.
  • the second electrical connector of the present embodiment includes a second outer conductor 51, a second inner conductor 52, and another insulating medium 53, wherein the second outer conductor 51 and the other insulating medium 53 are respectively referred to the first outer conductor 11 and The description of the insulating medium 13 will not be repeated in the scope of easy understanding by those skilled in the art.
  • the inner side walls of the second outer conductor 51 and the convex portion of the third outer conductor 31 are smoothly arranged in the axial direction to facilitate the first electrical connector and the first The plugging and unplugging between the two electrical connectors.
  • the end portion of the second outer conductor 52 of this embodiment may be a spherical body or a needle-shaped body.
  • the second embodiment of the present embodiment The end of the conductor 52 is a needle-like body.
  • the first inner conductor 12 of the embodiment is provided with a spherical body, and the first inner connector and the adapter are assembled, and the first inner conductor 12 is spherical at the end.
  • the body inserts the clamping member 64, the clamping member 64 elastically clamps the spherical body at the end of the first inner conductor 12, and the first inner conductor 12 and the third inner conductor 33 are movably connected such that the first electrical connector and the adapter are axially It can move relative to each other in the upper and the radial direction.
  • the needle-like body (or the spherical body) of the second outer conductor 52 is inserted into the second end of the third inner conductor 33, and the second outer conductor 52 and the third inner conductor 33 are movable.
  • the connection is such that the second electrical connector and the adapter are movable relative to each other in the axial and radial directions.
  • the inner side wall of the first outer conductor 11 and the protrusion are smoothly disposed in the axial direction, and the inner side wall of the second outer conductor 51 and the convex portion of the third outer conductor 31 are smoothly arranged in the axial direction, The insertion and extraction between the first electrical connector and the second electrical connector are separated and separated.
  • the first electrical connector of the embodiment includes a first outer conductor 11, a first inner conductor 12 and an insulating medium 13.
  • the adapter may be cylindrical, and is provided with a third outer conductor 31 and an insulating layer 32.
  • a third inner conductor 33 and a clamping member 64, the second electrical connector comprising a second outer conductor 51, a second outer conductor 52 and another insulating medium 53.
  • first end and the second end of the third inner conductor 33 of the embodiment are each provided with a clamping member 64, and the second outer conductor 52 is provided with the end of the needle-shaped body (or spherical body). Inserted into the clamping member 64 of the second end of the third inner conductor 33, the second outer conductor 52 and the third inner conductor 33 are movably connected, so that the second electrical connector and the adapter can be axially and radially opposite each other. mobile.
  • the clamping member 64 and the third inner conductor 33 are respectively disposed separately, and the first end and the second end of the third inner conductor 33 are respectively provided with blind holes, and the clamping member 64 is disposed in the blind hole.
  • the first electrical connector of the present embodiment includes a first outer conductor 41, a first inner conductor 42, an insulating medium 43, and a clamping member 64.
  • the first outer conductor 41 includes the first cylindrical portion 411 and the second cylindrical portion 412, and the first cylindrical portion 411 and the second cylindrical portion 412 are integrally formed.
  • the insulating medium 43 may include a first insulating medium 431 and a second insulating medium 432 which are separately disposed.
  • the inner hole of the first outer conductor 41 is stepped, and includes a larger diameter portion that is interference-fitted with the first insulating medium 431.
  • the first insulating medium 431 abuts the first shaft hole and the second shaft in the axial direction through the first inner conductor 42 a stepped surface of the hole boundary to firmly define the first insulating medium 431 in the first cylindrical portion 411, and an interference fit between the first insulating medium 431 and the first cylindrical portion 411; the second insulating medium 432
  • the second cylindrical body portion 412 is disposed in an interference fit with the second cylindrical portion 412.
  • the adapter may be cylindrical, provided with a third outer conductor 31, an insulating layer 32 and a third inner conductor 33, the second electrical connector comprising a second outer conductor 51, a second outer conductor 52 and another insulating medium 53,
  • the second electrical connector comprising a second outer conductor 51, a second outer conductor 52 and another insulating medium 53
  • This embodiment differs from the previous embodiment in that the clamping member 64 is provided at the end of the first inner conductor 42, which may be provided separately or integrally with the first inner conductor 42, and the third inner conductor 33 is inserted and clamped. Pieces.
  • the second end of the third inner conductor 33 is provided with a spherical body or a needle-shaped body, preferably a spherical body as shown in FIG. 2C.
  • the second outer conductor 52 of the present embodiment is a needle-shaped body and is inserted into the first end of the third inner conductor 33, and the first end of the third inner conductor 33 can be provided with a blind hole, a clamping member 64, etc., which will not be described herein.
  • the arrangement between the first inner conductor and the third inner conductor of the embodiment can be interchanged, and only the first inner conductor and the first inner conductor are required to be
  • One of the second inner conductors or between the second inner conductor and the third inner conductor is a needle or a spheroid, and the other one is a blind hole to achieve the connection, preferably in the blind hole.
  • the clamping member 64 is used to ensure a stable connection, and the specific combination thereof is within the scope of easy understanding by those skilled in the art, and will not be described herein.
  • the first inner conductor end portion is provided with a spherical body
  • the second inner conductor end portion is provided with a needle-shaped body or a spherical body
  • the two ends of the third inner conductor are respectively provided with clamping members.
  • the first inner conductor and the second inner conductor are respectively inserted into the clamping members at both ends of the third inner conductor, and the clamping member at one end of the third inner conductor elastically clamps the spherical body at the end of the first inner conductor, and the other end
  • the clamping member elastically clamps the needle or the spherical body of the second inner conductor end such that the first electrical connector and the second electrical connector are movable in the axial direction and the radial direction with respect to the adapter.
  • a blind hole is respectively disposed at each end of the third inner conductor, and the clamping member is inserted into the blind hole.
  • the present embodiment surrounds the first outer conductor of the first inner conductor, the second outer conductor surrounding the second inner conductor, and the third outer conductor surrounding the third inner conductor, at the first outer conductor, and
  • the center of the two outer conductors defines a through hole for receiving the third outer conductor, and the outer circumferences of the two end portions of the third outer conductor are respectively provided with a ring protrusion so that the protrusion can slide axially with respect to the inner wall of the through hole.
  • the third inner conductor has a first end and a second end, the first end end of the third inner conductor and the first inner conductor end are provided with a clamping member; a second end portion of the third inner conductor is provided with a needle-shaped body, and in the assembled state, the second inner conductor is inserted into the first end of the third inner conductor, and the first end of the third inner conductor
  • the clamping member of the end elastically holds the spherical body
  • the second end of the third inner conductor is inserted into the first inner conductor
  • the clamping member of the end of the first inner conductor elastically holds the needle-shaped body, so that the first electrical connector
  • the second electrical connector is movable in the axial direction and the radial direction with respect to the adapter; the second inner conductor end is provided with a needle-shaped body, and the second end portion of the third inner conductor is provided with a spherical body, in the assembled state, Inserting two inner conductors into the first end
  • the first electrical connector has a first outer conductor surrounding the first inner conductor
  • the second electrical connector has a second outer conductor surrounding the second inner conductor
  • the adapter has a third outer circumference surrounding the third inner conductor a central opening of the conductor
  • the first outer conductor, and the second outer conductor defines a through hole for receiving the third outer conductor
  • a circumference of each of the two ends of the third outer conductor is respectively provided with a ring protrusion, and the protrusion can be along the inner wall of the through hole Sliding in.
  • FIG. 5 is a schematic structural view of an inner conductor and a clamping member of the coaxial connector assembly or the electrical connector of the present application.
  • the inner conductor of the embodiment may be the first inner conductor of the first electrical connector, the second inner conductor of the second electrical connector or the third inner conductor of the adapter, which is not described herein.
  • the inner conductor 81 and the clamping member 82 of the present embodiment may be integrally formed, wherein the clamping member 82 is located at the end of the inner conductor 81 for connecting the third inner conductor 33 and is electrically connected.
  • the clamping member 82 can also be connected to the end of the inner conductor 81 for connecting the third inner conductor 33 by welding, which is not limited herein.
  • the inner conductor 81 is provided with a blind hole at the end, and the blind hole wall is provided with a slit 821 extending in the axial direction, and the clamping member 82 is a blind hole.
  • This embodiment separates and forms a plurality of elastic pieces 822 via the slits 821.
  • the hole walls of the blind holes are arc-shaped in a non-assembled and non-operating state to form a bottle-shaped socket having a radius of both ends slightly larger than the radius of the engaging portion, in other words, a plurality of pieces of the elastic piece 822
  • the engaging portions are bent toward the central axis of the clamping member 82 to form an arcuate shape, respectively, and the plurality of elastic pieces 822 are combined to form a bottle-shaped blind hole.
  • the clamping member 82 of the present embodiment is provided with a bottle-shaped blind hole, and the third inner conductor is inserted into the needle-shaped blind hole of the third inner conductor 33 when the needle-shaped body or the spherical body end is inserted.
  • a plurality of elastic pieces 822 of the insertion end of the end of the bottle 33 thereby achieving an elastic connection between the third inner conductor 33 and the clamping member 82.
  • the radius of the blind hole at the neck of the bottle is slightly smaller than the insertion of the third inner conductor 33. The radius of the end for a reliable elastic connection.
  • the outer circumference of the clamping member 82 may also be disposed in a concave shape with respect to the manner in which the socket is in the shape of a bottle.
  • the specific concave curvature may be set according to the structural strength and material cost of the clamping member 82: If the material cost of the clamping member 82 is high, the less material required for the outer circumference of the clamping member 82 is better, and the greater the curvature of the concave portion, that is, the radius of each portion of the blind hole is constant, the elastic piece The thinner the 822 is, of course, the curvature of the concave can also be reduced in order to increase the structural strength, so that the thickness of the elastic piece 822 is made thicker with a certain radius of each part of the blind hole.
  • the form of the slot 821 and the plurality of pieces of the elastic piece 822 may not be provided, but only the bottle-shaped blind hole whose radius of both ends is slightly larger than the radius of the engaging portion is required, and the blind hole is in the bottleneck.
  • the radius of the position is slightly smaller than the radius of the insertion end of the third inner conductor 33 to form a resilient piece having an elastic restoring force due to deformation by compression and to perform a reliable elastic connection, which will not be described in detail.
  • coaxial connector assembly or the electrical connector of the present embodiment may further include an outer conductor and an insulating medium.
  • an outer conductor and an insulating medium For details, refer to the related description of one or more of the previous embodiments. The embodiment is only for the clamping member 82. The partial structure of the inner conductor 81 is described, and a limited description of the combination is not made within the scope of those skilled in the art.
  • the electrical connector of the present embodiment and the adapter of the previous embodiment are inserted into the clamping member 82 of the needle-like body or the spherical body end of the third inner conductor 33, and the clamping member 82 elastically clamps the third inner portion of the adapter.
  • the conductor 33, the inner conductor 81 and the third inner conductor 33 are movably connected such that the electrical connector and the adapter are movable relative to each other in the axial direction and the radial direction. Further, the present embodiment also improves the applicability of the third inner conductor 33. .
  • the third inner conductor of the adapter is respectively provided with a blind hole
  • the clamping member is a hole wall of the blind hole, and the inner diameter of the blind hole faces the opening direction thereof. Gradually shrink.
  • the end of the first inner conductor of the first electrical connector and the end of the first end of the third inner conductor of the adapter are respectively provided with blind holes, clamping members As the hole wall of the blind hole, the inner diameter of the blind hole gradually decreases toward the opening direction.
  • the application also provides a cavity filter comprising a PCB circuit board and a coaxial connector assembly coupled to the PCB circuit board.
  • coaxial connector assembly used in the cavity filter of this embodiment may be the coaxial connector assembly described in one or more of the foregoing embodiments, and is not described herein within the scope of those skilled in the art.
  • the application further provides an RF remote unit, including an intermediate frequency module, a transceiver module, a power amplifier and a filtering module.
  • the filtering module includes a cavity filter, the cavity filter includes a PCB circuit board, and is connected to the PCB circuit board. Shaft connector assembly.
  • the coaxial connector assembly used in the radio remote unit of the present embodiment may be the coaxial connector assembly described in one or more of the foregoing embodiments, and is not described herein within the scope of those skilled in the art.
  • the present application also provides an electrical connector and an adapter, which may be the electrical connectors and adapters described in the previous embodiments, and are not described herein.
  • the disclosed apparatus and structure may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the structure or part is only a logical function division.
  • Components and the like may be combined or integrated into another structure, or some features may be omitted or not.

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  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

一种射频拉远单元、腔体滤波器及同轴连接器组件，同轴连接器组件包括：适配器和分别与适配器两端电连接的第一电连接器、第二电连接器，第一电连接器具有第一内导体（12），第二电连接器具有第二内导体（52），适配器具有第三内导体（33），第一内导体（12）端部设有球状体，第二内导体（52）端部设有针状体或球状体，第三内导体（33）的两端分别设有夹紧件（64），在组装状态下，第一内导体（12）、第二内导体（52）分别插入第三内导体（33）两端的夹紧件（64），第三内导体（33）一端的夹紧件（64）弹性夹紧第一内导体（12）端部的球状体，另一端的夹紧件（64）弹性夹持第二内导体（52）端部的针状体或球状体，使得第一电连接器、第二电连接器可以相对适配器在轴向和径向上移动。上述结构的同轴连接器组件能够有效地保证内导体的结构强度、保证接触性能良好且便于插拔。

Description

射频拉远单元、腔体滤波器及同轴连接器组件
【技术领域】
本申请涉及连接器技术领域，具体涉及一种同轴连接器组件，还涉及采用该同轴连接器组件的腔体滤波器，以及采用该腔体滤波器的射频拉远单元。
【背景技术】
现有技术中，电路板与电路板之间一般通过同轴连接器组件进行电连接。
请参阅图1，图1所示现有技术专利号为CN201080062190.x的同轴连接器组件，其中，为了实现第一内导体5和第二内导体14之间的稳定连接，需要在第二内导体14设置弹簧舌18，在其末端具有第一接触珠子20，且弹簧舌18通过狭缝22被功能性地彼此分离且在径向方向弹开以保证接触性能良好。
不难理解的是，第二内导体14的弹簧舌在安装及使用过程中容易受第一内导体5碰撞、挤压而损坏，进而容易导致接触不良等。此外，两个电连接器之间插拔往往比较难，需要用力插拔，导致容易损坏元件。
【发明内容】
本申请主要解决现有技术内导体之间在安装及使用过程中容易受碰撞、挤压而损坏，进而容易导致接触不良的技术问题，本申请实施例提供一种射频拉远单元、腔体滤波器及同轴连接器组件，能够有效地保证内导体的结构强度、保证接触性能良好且便于插拔。
本申请第一方面提供一种同轴连接器组件，包括适配器和分别与所述适配器两端电连接的第一电连接器、第二电连接器，所述第一电连接器具有第一内导体，所述第二电连接器具有第二内导体，所述适配器具有第三内导体，所述第一内导体端部设有球状体，所述第二内导体端部设有针状体或者球状体，所述第三内导体的两端分别设有夹紧件，在组装状态下，第一内导体、第二内导体分别插入所述第三内导体两端的夹紧件，所述第三内导体一端的夹紧件弹性夹紧所述第一内导体端部的球状体，另一端的夹紧件弹性夹持所述第二内导体端部的针状体或者球状体，使得所述第一电连接器、第二电连接器可以相对所述适配器在轴向上和径向上移动。
其中：所述第三内导体两端分别设有盲孔，所述夹紧件插设于所述盲孔内。
其中：所述夹紧件为呈筒状的薄壁件，所述夹紧件包括夹持部，所述夹持部外壁呈阶梯状，包括外径大于盲孔的直径扩大区和外径小于盲孔的直径收缩区，所述夹持部部上开设有沿轴向延伸至至少贯穿直径扩大区的切槽。
其中：所述夹持部的直径收缩区和直径扩大区交界处设有卡合部，所述卡合部的内壁朝盲孔开口方向直径逐渐缩小。
其中：所述夹紧件为呈筒状的薄壁件，包括夹持部，所述夹持部的内孔朝盲孔开口方向直径逐渐增大。
其中：所述夹紧件上还包括与所述夹持部小直径端连接的卡合部，所述卡合部的内孔朝盲孔开口方向直径逐渐缩小。
其中：所述第三内导体两端分别设有盲孔，所述夹紧件为所述盲孔的孔壁，所述盲孔的内径朝其开口方向逐渐缩小。
其中：所述第一电连接器具有环绕所述第一内导体的第一外导体，所述第二电连接器具有环绕所述第二内导体的第二外导体，所述适配器具有环绕所述第三内导体的第三外导体，所述第一外导体、和第二外导体的中央开设接收所述第三外导体的通孔，所述第三外导体两端部的外周分别设有一圈凸起，所述突起可以相对于所述通孔的内壁沿轴向滑动。
本申请第二方面提供一种同轴连接器组件，包括适配器和分别与所述适配器两端电连接的第一电连接器、第二电连接器，所述第一电连接器具有第一内导体，所述第二电连接器具有第二内导体，所述适配器具有第三内导体，所述第三内导体具有第一端和第二端，所述第三内导体的第一端端部和所述第一内导体端部设有夹紧件；所述第二内导体端部设有球状体、所述第三内导体的第二端端部设有针状体，在组装状态下，所述第二内导体插入所述第三内导体的第一端，所述第三内导体第一端端部的夹紧件弹性夹持所述球状体，所述第三内导体的第二端插入所述第一内导体，所述第一内导体端部的夹紧件弹性夹持所述针状体，使得所述第一电连接器、第二电连接器可以相对所述适配器在轴向上和径向上移动；所述第二内导体端部设有针状体、所述第三内导体的第二端端部设有球状体，在组装状态下，所述第二内导体插入所述第三内导体的第一端，所述第三内导体第一端端部的夹紧件弹性夹持所述针状体，所述第三内导体的第二端插入所述第一内导体，所述第一内导体端部的夹紧件弹性夹持所述球状体，使得所述第一电连接器、第二电连接器可以相对所述适配器在轴向上和径向上移动。
其中：所述第一内导体的端部和所述第三内导体第一端的端部分别设有盲孔，所述夹紧件插设于所述盲孔内。
其中：所述夹紧件为呈筒状的薄壁件，包括夹持部，所述夹持部外壁呈阶梯状，包括外径大于盲孔的直径扩大区和外径小于盲孔的直径收缩区，所述夹持部部上开设有沿轴向延伸至至少贯穿直径扩大区的切槽。
其中：所述夹持部的直径收缩区和直径扩大区交界处设有卡合部，所述卡合部的内壁朝盲孔开口方向直径逐渐缩小。
其中：所述夹紧件均为呈筒状的薄壁件，包括夹持部，所述夹持部的内孔朝盲孔开口方向直径逐渐增大。
其中：所述夹紧件还包括与所述夹持部小直径端连接的卡合部，所述卡合部的内孔朝盲孔开口方向直径逐渐缩小。
其中：所述第一内导体的端部和所述第三内导体第一端的端部分别设有盲孔，所述夹紧件为所述盲孔的孔壁，所述盲孔的内径朝其开口方向逐渐缩小。
其中：所述第一电连接器具有环绕所述第一内导体的第一外导体，所述第二电连接器具有环绕所述第二内导体的第二外导体，所述适配器具有环绕所述第三内导体的第三外导体，所述第一外导体、和第二外导体的中央开设接收所述第三外导体的通孔，所述第三外导体两端部的外周分别设有一圈凸起，所述突起可以相对于所述通孔的内壁沿轴向滑动。
本申请第三方面提供一种腔体滤波器，包括PCB电路板，和与PCB电路板连接的同轴连接器组件，所述同轴连接器组件为任一上述的同轴连接器组件。
本申请第四方面提供一种射频拉远单元，包括中频模块、收发信机模块、功放和滤波模块，所述滤波模块包括腔体滤波器，所述腔体滤波器包括PCB电路板，和与PCB电路板连接的同轴连接器组件，所述同轴连接器组件为任一上述的同轴连接器组件。
本申请通过设置与内导体配合的夹紧件，通过夹紧件实现内导体之间的弹性夹紧配合。本申请可以有效地避免在安装及使用过程中被碰撞、挤压损坏以及接触不良的情况，能够有效地保证内导体的结构强度、保证接触性能良好且便于插拔。
【附图说明】
图1是现有技术同轴连接器组件的结构示意图；
图2A是本申请同轴连接器组件一实施例的结构示意图；
图2B是本申请同轴连接器组件另一实施例的结构示意图；
图2C是本申请同轴连接器组件又一实施例的结构示意图；
图3是图2C所示同轴连接器组件中的其中一电连接器一实施例的结构示意图；
图4是图3所示电连接器的夹紧件一实施例的结构示意图；
图5是本申请同轴连接器组件或电连接器的内导体与夹紧件一实施例的结构示意图。
【具体实施方式】
以下描述中，为了说明而不是为了限定，提出了诸如特定结构、技术之类的具体细节，以便透彻理解本申请。然而，本领域的技术人员应当清楚，在没有这些具体细节的其它实施例中也可以实现本申请。在其它情况中，省略对众所周知的装置、电路以及方法的详细说明，以免不必要的细节妨碍本申请的描述。
请参阅图2A，图2A是本申请同轴连接器组件一实施例的结构示意图，本实施例的同轴连接器组件包括相连接的第一电连接器、第二电连接器以及用于连接第一电连接器和第二电连接器的适配器。
本实施例同轴连接器组件包括圆柱体状的适配器和与适配器一端电连接的第一电连接器、与适配器另一端电连接的第二电连接器。
具体而言，本实施例的第一电连接器包括第一外导体11、第一内导体12和绝缘介质13。
在本实施例中，第一外导体11可以采用铜（譬如黄铜）等导电材料并通过车削加工等工艺制得。第一电连接器可以通过设于第一外导体11一端的外周上的外螺纹结构而固定于电路板等产品上，且第一外导体11该一端的端口与该电路板等产品的电缆等的外导线通过焊接等方式实现稳固的电连接，不难看出，本实施例第一电连接器采用外螺纹结构的方式进行安装固定，便于拆卸且利于检修等。
为了解决图1所示同轴连接器组件的生产成本偏高、结构强度较差的技术问题，本实施例的第一外导体11包括第一筒体部111和第二筒体部112，第一筒体部111和第二筒体部112一体成型。本实施例只需加工出一体成型的第一外导体11，降低了第一外导体11的加工成本与组装成本且一体成型的方式提高了结构强度。
本实施例的第一内导体12可以采用铜（譬如黄铜）等导电材料并通过车削加工等工艺制得。第一外导体11套设于第一内导体12外且第一外导体11与第一内导体12之间彼此绝缘设置，第一内导体12与该电路板等产品对应的电缆的内芯通过焊接等方式实现稳固的电连接。
绝缘介质13设于第一外导体11内壁和第一内导体12外壁之间，具体而言，绝缘介质13可以部分或全部地设置于第一内导体12的外周上。值得注意的是，本实施例的绝缘介质13可以采用聚醚醚酮（PEEK）和/或聚四氟乙烯（PTFE）等材料并通过车削加工等工艺制得，以使得绝缘介质13具备优良的耐热耐磨性能。
本实施例为了保证将绝缘介质13固定于第一外导体11上，对应地，绝缘介质13可以包括分体设置的第一绝缘介质131和第二绝缘介质132，第一外导体11的内孔呈阶梯状，包括与第一绝缘介质131过盈配合的、直径较大的第一轴孔，和与第二绝缘介质132过盈配合的、直径较小的第二轴孔，第一绝缘介质131通过第一内导体12沿轴向抵接在第一轴孔和第二轴孔交界的阶梯面上，以将第一绝缘介质131牢固地限定于第一筒体部111内，且第一绝缘介质131与第一筒体部111之间过盈配合；第二绝缘介质132设于第二筒体部112内并与第二筒体部112之间过盈配合。
值得注意的是，本实施例的第一绝缘介质131相对于现有技术而言，无需设置包裹第一内导体12的延伸部分。具体而言，为了限定第一绝缘介质131，第一轴孔靠近第二轴孔处设有一圈环形凸台1110，第一绝缘介质131位于环形凸台1110的内壁和第一内导体12的外壁之间且第一绝缘介质131与环形凸台1110等高，即有效地节省了第一绝缘介质131的使用量，降低生产成本。不难看出，本实施例通过环形凸台1110的作用限定第一绝缘介质131的位置，从而有效地实现了对第一绝缘介质131的定位作用，而且无需采用现有技术“第一外导体（8）需设置为相连接的两部分，其中一部分用以将第一衬垫（7）压合固定在另一部分上”的方式，减少了工艺流程并节省了生产成本。
需要对应指出的是，本实施例的第一绝缘介质131优选地采用聚醚醚酮制得，且针对于图1所示的现有技术而言，能更好地降低对聚醚醚酮材料的使用以降低生产成本；此外，第二绝缘介质132可以采用成本较低的聚四氟乙烯材料制得。
本实施例的适配器可以为圆柱体状，其设置有第三外导体31、绝缘层32、第三内导体33和夹紧件64（参阅图4所示）。
第三外导体31用于连接第一电连接器和第二电连接器的第一外导体11。值得注意的是，本实施例第一电连接器的第一外导体11的内侧壁沿轴向平滑设置，第三外导体31与第一外导体11的内侧壁配合的端部上具有凸起（未标示），组装完成后，通过该凸起的作用即可实现第一外导体11的内侧壁与第三外导体31之间的固定作用。
绝缘层32套接于第三外导体31内，其中，绝缘层32可以采用聚醚醚酮或聚四氟乙烯等绝缘材料并通过车削加工等工艺制得，绝缘层32与第三外导体31之间可以采用过盈配合的方式进行固定连接。
请参阅图3和图4，夹紧件64与第三内导体33电连接且夹紧件64设于第三内导体33的第二端，夹紧件64设有接插孔640且接插孔640的孔壁设有平行于第三内导体33的轴向方向的切槽641。其中，切槽641可以为两条、三条、四条或者更多条，其可以为平行于第三内导体33的轴向方向的矩形方式，也可以为三角形或者其他不规则图形的方式，在此不作限定。此外，为了简化工艺流程降低生产成本，本实施例可以通过一次切槽工艺而形成两条切槽641（即切槽641的数目为偶数）的方式。
本实施例的接插孔640的内侧壁上具有第一卡合结构642，以在第一内导体12接插入接插孔640内时，使得第一内导体12与第一卡合结构642相卡合，即形成自锁的方式。不难理解地，通过这种方式可以保证在非受拉扯等外力作用下，保证第一电连接器的轴线与第二电连接器之间的轴线不在相同的中心线上时的安装和稳定连接。
值得注意的是，为了使接插孔640的孔壁具备更好的弹性夹持力，本实施例切槽641优选地在夹紧件64的径向方向上贯穿接插孔640的孔壁设置；此外，切槽641在夹紧件64的轴向方向上可以不贯穿接插孔640孔壁的两端面，或者只贯穿接插孔640的孔壁其中一端面的设置，在此不作限定。
优选地，本实施例的夹紧件64具体可以为呈筒状的薄壁件，其包括夹持部和卡合部645。
具体而言，夹持部外壁呈阶梯状，包括外径大于盲孔的直径扩大区643和外径小于盲孔的直径收缩区644，而切槽沿轴向延伸至至少贯穿直径扩大区643设置。夹紧件64还包括与夹持部直径收缩区644侧连接的限位部646，限位部646的外径大于直径扩大区643的外径，在组装状态时，夹持部置于盲孔内，限位部646和直径收缩区644之间的阶梯面抵接盲孔的端面。
卡合部645设于夹持部的直径收缩区644和直径扩大区643交界处，卡合部645的内壁朝盲孔开口方向直径逐渐缩小，在组装状态下，卡合部645的筒体内壁卡接球状体。
为了便于拆装，本实施例直径收缩区644与卡合部645的内壁之间也可以呈弧形平滑过渡（在其他实施例中也可以为斜面）。
本实施例的第三内导体33和夹紧件64分体设置（即作为两个单独的元件分别加工制得），如图4所示，本实施例的第三内导体33设有盲孔，夹紧件64设于盲孔内。
本实施例的第二电连接器包括第二外导体51、第二内导体52和另一绝缘介质53，其中，第二外导体51和另一绝缘介质53请分别参阅第一外导体11和绝缘介质13的相关描述，在本技术领域人员容易结合理解的范围内，不再赘述。
需要指出的是，与第一外导体11相类似的是，第二外导体51与第三外导体31的凸起配合的的内侧壁沿轴向平滑设置，以便于第一电连接器与第二电连接器之间的插拔分离。
本实施例的第二外导体52的端部可以为球状体或者针状体，优选地，为了便于第一电连接器与第二电连接器之间的插拔分离，本实施例第二外导体52的端部为针状体。
值得注意的是，结合图2和图4不难看出，本实施例第一内导体12端部设有球状体，第一电连接器和适配器组装状态下，第一内导体12端部的球状体插入夹紧件64，夹紧件64弹性夹紧第一内导体12端部的球状体，第一内导体12和第三内导体33活动连接，使得第一电连接器和适配器在轴向上和径向上相对于彼此可以移动。
此外，第二电连接器和适配器组装状态下，第二外导体52的针状体（或球状体）插入第三内导体33的第二端，第二外导体52和第三内导体33活动连接，使得第二电连接器和适配器在轴向上和径向上相对于彼此可以移动。
进一步而言，由于第一外导体11与凸起配合的的内侧壁沿轴向平滑设置，且第二外导体51与第三外导体31的凸起配合的的内侧壁沿轴向平滑设置，而使得第一电连接器与第二电连接器之间的插拔分离分离。
请参阅图2B，本实施例的第一电连接器包括第一外导体11、第一内导体12和绝缘介质13；适配器可以为圆柱体状，其设置有第三外导体31、绝缘层32、第三内导体33和夹紧件64，第二电连接器包括第二外导体51、第二外导体52和另一绝缘介质53。
与前面实施例不同之处在于，本实施例第三内导体33的第一端和第二端均设有夹紧件64，第二外导体52设有针状体（或球状体）的端部插入第三内导体33第二端的夹紧件64内，实现第二外导体52和第三内导体33活动连接，使得第二电连接器和适配器在轴向上和径向上相对于彼此可以移动。
其中，夹紧件64与第三内导体33均分体设置，且第三内导体33的第一端和第二端均设有盲孔，夹紧件64设于盲孔内。
此外，请参阅图2C和图3所示，本实施例的第一电连接器包括第一外导体41、第一内导体42、绝缘介质43和夹紧件64。
如前所述，第一外导体41包括第一筒体部411和第二筒体部412，第一筒体部411和第二筒体部412一体成型。绝缘介质43可以包括分体设置的第一绝缘介质431和第二绝缘介质432，第一外导体41的内孔呈阶梯状，包括与第一绝缘介质431过盈配合的、直径较大的第一轴孔，和与第二绝缘介质432过盈配合的、直径较小的第二轴孔，第一绝缘介质431通过第一内导体42沿轴向抵接在第一轴孔和第二轴孔交界的阶梯面上，以将第一绝缘介质431牢固地限定于第一筒体部411内，且第一绝缘介质431与第一筒体部411之间过盈配合；第二绝缘介质432设于第二筒体部412内并与第二筒体部412之间过盈配合。
适配器可以为圆柱体状，其设置有第三外导体31、绝缘层32和第三内导体33，第二电连接器包括第二外导体51、第二外导体52和另一绝缘介质53，其具体结构请结合其他实施例的相关描述，在此不作赘述。
本实施例与前面实施例不同之处在于，夹紧件64设于第一内导体42的端部，其可以与第一内导体42分体设置或一体设置，第三内导体33插入夹紧件。其中，第三内导体33的第二端设有球状体或针状体，优选地为图2C所示的球状体。
本实施例的第二外导体52为针状体且插入第三内导体33的第一端，而第三内导体33的第一端可以设置盲孔和夹持件64等，在此不作赘述
此外，夹紧件64的具体结构及设置于第一内导体42的端部的方式请参阅前面实施例的相关描述，在本技术领域人员容易结合理解的范围内，不作赘述。
通过上述图2A到图2C所示的实施例及其描述不难看出，本实施例的第一内导体和第三内导体之间的设置方式可以互换，其只需保证第一内导体与第二内导体之间、或第二内导体与第三内导体之间的其中之一为针状体或球状体，而另外一个对应为盲孔即可实现连接，优选地在盲孔内设置夹紧件64，以保证稳定的连接，其中，其具体的组合方式在本技术领域人员容易结合理解的范围内，在此不作赘述。
在本申请的一优选实施例中，第一内导体端部设有球状体，第二内导体端部设有针状体或者球状体，第三内导体的两端分别设有夹紧件，在组装状态下，第一内导体、第二内导体分别插入第三内导体两端的夹紧件，第三内导体一端的夹紧件弹性夹紧第一内导体端部的球状体，另一端的夹紧件弹性夹持第二内导体端部的针状体或者球状体，使得第一电连接器、第二电连接器可以相对适配器在轴向上和径向上移动。此外，第三内导体两端分别设有盲孔，夹紧件插设于盲孔内。
值得注意的是，本实施例环绕第一内导体的第一外导体，环绕第二内导体的第二外导体，以及环绕第三内导体的第三外导体，在第一外导体、和第二外导体的中央开设接收第三外导体的通孔，第三外导体两端部的外周分别设有一圈凸起，使得突起可以相对于通孔的内壁沿轴向滑动。
在本申请的另一优选实施例中，第三内导体具有第一端和第二端，第三内导体的第一端端部和第一内导体端部设有夹紧件；第二内导体端部设有球状体、第三内导体的第二端端部设有针状体，在组装状态下，第二内导体插入第三内导体的第一端，第三内导体第一端端部的夹紧件弹性夹持球状体，第三内导体的第二端插入第一内导体，第一内导体端部的夹紧件弹性夹持针状体，使得第一电连接器、第二电连接器可以相对适配器在轴向上和径向上移动；第二内导体端部设有针状体、第三内导体的第二端端部设有球状体，在组装状态下，第二内导体插入第三内导体的第一端，第三内导体第一端端部的夹紧件弹性夹持针状体，第三内导体的第二端插入第一内导体，第一内导体端部的夹紧件弹性夹持球状体，使得第一电连接器、第二电连接器可以相对适配器在轴向上和径向上移动。此外，第一内导体的端部和第三内导体第一端的端部分别设有盲孔，夹紧件插设于盲孔内。
值得注意的是，第一电连接器具有环绕第一内导体的第一外导体，第二电连接器具有环绕第二内导体的第二外导体，适配器具有环绕第三内导体的第三外导体，第一外导体、和第二外导体的中央开设接收第三外导体的通孔，第三外导体两端部的外周分别设有一圈凸起，突起可以相对于通孔的内壁沿轴向滑动。
请参阅图5，图5是本申请同轴连接器组件或电连接器的内导体与夹紧件一实施例的结构示意图。其中，本实施例的内导体可以为第一电连接器的第一内导体、第二电连接器的第二内导体或者适配器的第三内导体，在此不作赘述。
具体而言，本实施例的内导体81与夹紧件82之间可以采用一体成型的方式，其中，夹紧件82位于内导体81用于连接第三内导体33的端部并电连接。当然，在其他实施例中，夹紧件82也可以采用焊接的方式与内导体81用于连接第三内导体33的端部相连接，在此不作限定。
本实施例内导体81端部设有盲孔，盲孔孔壁设有沿轴向延伸的切槽821，夹紧件82为盲孔的孔壁。本实施例经由切槽821分离形成多片弹片822。进一步而言，盲孔的孔壁在非组装和非工作状态下呈弧形设置，以形成两端半径略大于卡合部分半径的瓶颈状接插孔，换而言之，多片弹片822的卡合部分向夹紧件82的中轴线位置弯折以分别形成弓形，进而多片弹片822组合形成瓶颈状的盲孔。
不难理解地，本实施例夹紧件82通过设置瓶颈状的盲孔的方式，在第三内导体33的针状体或球状体端部接插入瓶颈状的盲孔时，第三内导体33的插入端瓶颈位置的多片弹片822，从而实现第三内导体33与夹紧件82之间的弹性连接，相应的是，盲孔在瓶颈位置的半径略小于第三内导体33的插入端的半径，以进行可靠的弹性连接。
相对于接插孔呈瓶颈状的方式而言，夹紧件82的外周也可以呈内凹形设置，其具体内凹的弧度可以根据夹紧件82的结构强度及材料成本而进行设置：譬如若夹紧件82的材料成本较高，则夹紧件82的外周所需的材料越少越好，此时内凹的弧度越大，即在盲孔的各部分半径一定的情况下，弹片822越薄；当然，也可以为了提高结构强度而减少内凹的弧度，以在盲孔的各部分半径一定的情况下，使弹片822的厚度更厚。
需要说明的是，在其他实施例中，也可以不设置切槽821及多片弹片822的形式，而仅需设置两端半径略大于卡合部分半径的瓶颈状盲孔，而盲孔在瓶颈位置的半径略小于第三内导体33的插入端的半径，以形成因受挤压产生形变而具备弹性恢复力的弹片并进行可靠的弹性连接即可，在此不作细述。
此外，本实施例的同轴连接器组件或电连接器还可以包括外导体及绝缘介质等结构，其具体可以参阅前面一个或多个实施例的相关描述，本实施例仅针对夹紧件82和内导体81的部分结构进行描述，而在本技术领域人员容易结合理解的范围内，不对其组合方式进行限定性的描述。
本实施例的电连接器和前面实施例的适配器在组装状态下，第三内导体33的针状体或球状体端部插入夹紧件82，夹紧件82弹性夹紧适配器的第三内导体33，内导体81和第三内导体33活动连接，使得电连接器和适配器在轴向上和径向上相对于彼此可以移动，此外，本实施例还提高了第三内导体33的适用性。
举例而言，在一优选的实施例中，如图5所示，适配器的第三内导体两端分别设有盲孔，夹紧件为盲孔的孔壁，盲孔的内径朝其开口方向逐渐缩小。
在另一优选的实施例中，如图5所示，第一电连接器的第一内导体的端部和适配器的第三内导体第一端的端部分别设有盲孔，夹紧件为盲孔的孔壁，盲孔的内径朝其开口方向逐渐缩小。
本申请还提供一种腔体滤波器，包括PCB电路板，和与PCB电路板连接的同轴连接器组件。
需要说明的是，本实施例腔体滤波器所采用的同轴连接器组件可以为前面一个或多个实施例描述的同轴连接器组件，在本技术领域人员理解的范围内，不作赘述。
本申请还提供一种射频拉远单元，包括中频模块、收发信机模块、功放和滤波模块，滤波模块包括腔体滤波器，腔体滤波器包括PCB电路板，和与PCB电路板连接的同轴连接器组件。
具体而言，本实施例射频拉远单元所采用的同轴连接器组件可以为前面一个或多个实施例描述的同轴连接器组件，在本技术领域人员理解的范围内，不作赘述。
本申请还提供一种电连接器、适配器，其可以为前面实施例描述的电连接器和适配器，在此不作赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的装置和结构，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述结构或部分的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个结构或部分、组件等可以结合或者可以集成到另一个结构中，或一些特征可以忽略，或不划分。
以上所述仅为本申请的实施例，并非因此限制本申请的专利范围，凡是利用本申请说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本申请的专利保护范围内。

Claims (18)

  1. 一种同轴连接器组件，包括适配器和分别与所述适配器两端电连接的第一电连接器、第二电连接器，所述第一电连接器具有第一内导体，所述第二电连接器具有第二内导体，所述适配器具有第三内导体，其特征在于，
    所述第一内导体端部设有球状体，所述第二内导体端部设有针状体或者球状体，所述第三内导体的两端分别设有夹紧件，在组装状态下，第一内导体、第二内导体分别插入所述第三内导体两端的夹紧件，所述第三内导体一端的夹紧件弹性夹紧所述第一内导体端部的球状体，另一端的夹紧件弹性夹持所述第二内导体端部的针状体或者球状体，使得所述第一电连接器、第二电连接器可以相对所述适配器在轴向上和径向上移动。
  2. 根据权利要求1所述的同轴连接器组件，其特征在于：所述第三内导体两端分别设有盲孔，所述夹紧件插设于所述盲孔内。
  3. 根据权利要求2所述的同轴连接器组件，其特征在于：所述夹紧件为呈筒状的薄壁件，所述夹紧件包括夹持部，所述夹持部外壁呈阶梯状，包括外径大于盲孔的直径扩大区和外径小于盲孔的直径收缩区，所述夹持部部上开设有沿轴向延伸至至少贯穿直径扩大区的切槽。
  4. 根据权利要求3所述的同轴连接器组件，其特征在于：所述夹持部的直径收缩区和直径扩大区交界处设有卡合部，所述卡合部的内壁朝盲孔开口方向直径逐渐缩小。
  5. 根据权利要求2所述的同轴连接器组件，其特征在于：所述夹紧件为呈筒状的薄壁件，包括夹持部，所述夹持部的内孔朝盲孔开口方向直径逐渐增大。
  6. 根据权利要求5所述的同轴连接器组件，其特征在于：所述夹紧件上还包括与所述夹持部小直径端连接的卡合部，所述卡合部的内孔朝盲孔开口方向直径逐渐缩小。
  7. 根据权利要求2所述的同轴连接器组件，其特征在于：所述第三内导体两端分别设有盲孔，所述夹紧件为所述盲孔的孔壁，所述盲孔的内径朝其开口方向逐渐缩小。
  8. 根据权利要求1至7任意一项所述的同轴连接器组件，其特征在于：所述第一电连接器具有环绕所述第一内导体的第一外导体，所述第二电连接器具有环绕所述第二内导体的第二外导体，所述适配器具有环绕所述第三内导体的第三外导体，所述第一外导体、和第二外导体的中央开设接收所述第三外导体的通孔，所述第三外导体两端部的外周分别设有一圈凸起，所述突起可以相对于所述通孔的内壁沿轴向滑动。
  9. 一种同轴连接器组件，包括适配器和分别与所述适配器两端电连接的第一电连接器、第二电连接器，所述第一电连接器具有第一内导体，所述第二电连接器具有第二内导体，所述适配器具有第三内导体，其特征在于：
    所述第三内导体具有第一端和第二端，所述第三内导体的第一端端部和所述第一内导体端部设有夹紧件；
    所述第二内导体端部设有球状体、所述第三内导体的第二端端部设有针状体，在组装状态下，所述第二内导体插入所述第三内导体的第一端，所述第三内导体第一端端部的夹紧件弹性夹持所述球状体，所述第三内导体的第二端插入所述第一内导体，所述第一内导体端部的夹紧件弹性夹持所述针状体，使得所述第一电连接器、第二电连接器可以相对所述适配器在轴向上和径向上移动；
    所述第二内导体端部设有针状体、所述第三内导体的第二端端部设有球状体，在组装状态下，所述第二内导体插入所述第三内导体的第一端，所述第三内导体第一端端部的夹紧件弹性夹持所述针状体，所述第三内导体的第二端插入所述第一内导体，所述第一内导体端部的夹紧件弹性夹持所述球状体，使得所述第一电连接器、第二电连接器可以相对所述适配器在轴向上和径向上移动。
  10. 根据权利要求9所述的同轴连接器组件，其特征在于：所述第一内导体的端部和所述第三内导体第一端的端部分别设有盲孔，所述夹紧件插设于所述盲孔内。
  11. 根据权利要求10所述的同轴连接器组件，其特征在于：所述夹紧件为呈筒状的薄壁件，包括夹持部，所述夹持部外壁呈阶梯状，包括外径大于盲孔的直径扩大区和外径小于盲孔的直径收缩区，所述夹持部部上开设有沿轴向延伸至至少贯穿直径扩大区的切槽。
  12. 根据权利要求11所述的同轴连接器组件，其特征在于：所述夹持部的直径收缩区和直径扩大区交界处设有卡合部，所述卡合部的内壁朝盲孔开口方向直径逐渐缩小。
  13. 根据权利要求10所述的同轴连接器组件，其特征在于：所述夹紧件均为呈筒状的薄壁件，包括夹持部，所述夹持部的内孔朝盲孔开口方向直径逐渐增大。
  14. 根据权利要求13所述的同轴连接器组件，其特征在于：所述夹紧件还包括与所述夹持部小直径端连接的卡合部，所述卡合部的内孔朝盲孔开口方向直径逐渐缩小。
  15. 根据权利要求9所述的同轴连接器组件，其特征在于：所述第一内导体的端部和所述第三内导体第一端的端部分别设有盲孔，所述夹紧件为所述盲孔的孔壁，所述盲孔的内径朝其开口方向逐渐缩小。
  16. 根据权利要求9至15任意一项所述的同轴连接器组件，其特征在于：所述第一电连接器具有环绕所述第一内导体的第一外导体，所述第二电连接器具有环绕所述第二内导体的第二外导体，所述适配器具有环绕所述第三内导体的第三外导体，所述第一外导体、和第二外导体的中央开设接收所述第三外导体的通孔，所述第三外导体两端部的外周分别设有一圈凸起，所述突起可以相对于所述通孔的内壁沿轴向滑动。
  17. 一种腔体滤波器，包括PCB电路板，和与PCB电路板连接的同轴连接器组件，其特征在于，所述同轴连接器组件为根据权利要求1~16任意一项所述的同轴连接器组件。
  18. 一种射频拉远单元，包括中频模块、收发信机模块、功放和滤波模块，所述滤波模块包括腔体滤波器，所述腔体滤波器包括PCB电路板，和与PCB电路板连接的同轴连接器组件，其特征在于，所述同轴连接器组件为根据权利要求1~16任一项所述的同轴连接器组件。
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