CN206947680U - The radio frequency connector of elastic connection - Google Patents

Abstract

The utility model provides a kind of radio frequency connector of elastic connection, including shell, be nested in shell and with the inner wire of casing insulation, and Flexible Connector；The shell offers the through hole at insertion both ends, and the shell one end is provided with flange；The Flexible Connector includes fixing end and the connection end being connected with each other, the Flexible Connector is mutually fixed by the fixing end and the flange and electrically connect with shell, and the connection end exposes to the end face of flange and circumferentially distributed along the inner wire of stretching end face of flange；The Flexible Connector can be connected by the connection end with external equipment cavity, and can form the coaxial transmission passage with setting property impedance with the inner wire.Coaxial transmission passage is formed by the Flexible Connector and inner wire that will be electrically connected with shell, when it is connected with external equipment cavity, Flexible Connector is stretched into external equipment cavity and is in close contact with its perforate inwall, forms stable electrical contact, has stable Electrical Indexes.

Description

The radio frequency connector of elastic connection

Technical field

Mobile communication radio frequency connector technical field is the utility model is related to, more particularly to a kind of radio frequency of elastic connection connects Connect device.

Background technology

Radio frequency connector in mobile communications is generally made up of metal shell, outer conductor, inner wire and dielectric material, its Middle shell rise installation and connection function, public connector by the screw thread of shell or snapped connection with female connectors, and outer conductor and Inner wire act as transmitting radio frequency signal, and it is the Ω of characteristic impedance 50 that its physical dimension, which generally has to matching,.

In the tail end of connector, radio frequency coaxial-cable is generally welded in the prior art to transmitting radio frequency signal, but It should not use coaxial cable in some applications, and the transmission by being formed between inner wire and the perforate inwall of external equipment cavity Channel transfer radiofrequency signal, thus need to carry out characteristic impedance between radio frequency connector and the perforate inwall of external equipment cavity Match somebody with somebody so that need that there is good electrical contact between radio frequency connector mounting surface and external equipment cavity.

However, external equipment chamber outer surface can because of anticorrosion requirement spray insulation coating, any removal minor insulation The method of coating can all reduce anticorrosion ability, and retaining insulating coating can then make to be difficult to keep between radio frequency connector and housing Well, stable electrical contact, and then the Electrical Indexes of radio frequency connector and external equipment are influenceed, especially influence the steady of intermodulation index It is qualitative.

Utility model content

The purpose of this utility model provides a kind of flexible connection for above-mentioned problems of the prior art Radio frequency connector, it is intended to overcome radio frequency connector to install the instability problem of intermodulation index after connection with external equipment cavity.

To achieve these goals, the radio frequency connector of elastic connection provided by the utility model, including shell, be nested in In shell and with the inner wire of casing insulation, and Flexible Connector；Described shell one end is provided with flange；The Flexible Connector Fixing end and connection end including interconnection, the Flexible Connector it is mutually fixed by the fixing end and the flange and with institute State shell electrical connection, the connection end exposes to the end face of flange and circumferential along the inner wire for stretching out the end face of flange Distribution；The Flexible Connector can be connected by the connection end with external equipment cavity, and can form and have with the inner wire There is the coaxial transmission passage of setting property impedance.

Further, the circumferentially-spaced of the connection end is provided with the release groove axially extended, and the release groove is by described in Connection end is divided at least two contact valves.

Preferably, the connection end is cylindrical.

Further, in the flange that is circumferentially with away from flange one end, the flange is used to set with outside for the connection end The perforate inwall of standby cavity carries out Elastic Contact.

Preferably, the fixing end is provided with bulge loop, and mounting groove corresponding with the bulge loop is provided with the flange；Institute Bulge loop insertion is stated to be arranged in the mounting groove.

Further, the radio frequency connector also includes outer conductor, and the outer conductor is nested in the shell, or described Outer conductor is integrally formed with the shell.

Preferably, the value of the setting property impedance includes 50 Ω.

Further, the end face of flange is further opened with the seal groove for packing matcrial；The seal groove is ring Shape seal groove；

Further, dielectric is provided between the shell and the inner wire.

Further, the Flexible Connector is copper alloy elastic ring.

Further, the flange is integrally formed with the shell.

Compared with prior art, scheme of the present utility model has advantages below：

1st, the radio frequency connector of elastic connection of the present utility model, electrically connected by being set on the flange of shell with shell Flexible Connector, make Flexible Connector and formed through the inner wire of Flexible Connector same with setting property impedance Axle transmission channel, so as to which when the radio frequency connector is connected with external equipment cavity, Flexible Connector can be suppressed in external equipment On the perforate inwall of cavity, stable electrical contact relation is formed, is reduced because of radio frequency connector and external equipment cavity loose contact And produce the risk of intermodulation product.

2. in the radio frequency connector of elastic connection of the present utility model, by designed on Flexible Connector release groove and Flange so that Flexible Connector is connected with the external equipment cavity more to be stablized, and be also ensure that the stability that both contact, is entered And it ensure that the stability of Electrical Indexes.

The additional aspect of the utility model and advantage will be set forth in part in the description, and these are by from following description In become obvious, or by it is of the present utility model practice recognize.

Brief description of the drawings

The above-mentioned and/or additional aspect of the utility model and advantage from the following description of the accompanying drawings of embodiments will Become obvious and be readily appreciated that, wherein：

Fig. 1 is the stereogram of the radio frequency connector described in the utility model one embodiment；

Fig. 2 is the partial sectional view of the radio frequency connector shown in Fig. 1；

Fig. 3 is the exploded view of the radio frequency connector shown in Fig. 1；

Fig. 4 is the structural representation that radio frequency connector of the present utility model is connected with external equipment cavity.

Embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and can not be construed to of the present utility model Limitation.

The embodiment of one embodiment of the present utility model is detailed below.

Referring to Fig. 1~Fig. 3, the utility model discloses a kind of radio frequency connector 100 of elastic connection, including shell 1, nested The inner wire 2 to be insulated in shell 1 and with shell 1, and Flexible Connector 3.Described one end of shell 1 is provided with flange 11.This is outer Shell 1 offers the through hole 12 at insertion both ends, and inner wire 2 is embedded in the through hole 12.

Incorporated by reference to Fig. 4, the Flexible Connector 3 includes fixing end 31 and the connection end 32 being connected with each other, and the elasticity is even Fitting 3 is fixed with the phase of flange 11 by the fixing end 31 and fixes and electrically connected with shell 1, the connection with the phase of shell 1 End 32 exposes to the end face of flange 11 and along the circumferentially distributed of the inner wire 2 for stretching out the end face of flange 11, i.e., inner wire 2 is close to method One end of blue 11 end faces passes through the Flexible Connector 3；Flexible Connector 3 can be used to stretch into external equipment by the connection end 32 Contacted in cavity 200 with the perforate inwall 201 of external equipment cavity 200, and there can be setting property with the inner wire 2 composition The coaxial transmission passage of impedance.

In radio frequency connector 100 of the present utility model in use, by the way that the Flexible Connector electrically connected with shell 13 is stretched Enter in external equipment cavity 200, make the connection end 32 of Flexible Connector 3 and the perforate inwall 201 of external equipment cavity 200 close Contact, stable electrical contact is formed, avoids the two from producing intermodulation product because mutual connection is bad, so that the radio frequency connector 100, with having stable electric index after the assembly connection of external equipment cavity 200, avoid the end of flange 11 of radio frequency connector 100 Influenceing the stability of electrical contact between face and external equipment cavity 200 because of insulating coating then influences Electrical Indexes stability.

Specifically, above-mentioned radio frequency connector 100 also includes outer conductor 4, and specifically the outer conductor 4 is embedded in the present embodiment In in shell 1, in other embodiments, in addition, the outer conductor 4 can be also integrally formed with the shell 1, or by described Shell 1 serves as the outer conductor 4.

It should be noted that non-contact or mutually insulated setting is kept between above-mentioned inner wire 2 and outer conductor 4；Shell 1 with Outer conductor 4 electrically connects, and above-mentioned Flexible Connector 3 electrically connects through flange 11, shell 1 with outer conductor 4 successively.

Preferably, the fixing end 31 is provided with bulge loop 311, is provided with the flange 11 corresponding with the bulge loop 311 Mounting groove 111；The insertion of bulge loop 311 is arranged in the mounting groove 111.

Further, in the present embodiment, the circumferentially-spaced of connection end 32 offers the release groove 321 axially extended, The connection end 32 is divided at least two contact valves 321 by the release groove 321.Open up the contact formed after release groove 321 Valve can springing toward external expansion so that connection end 32 contacts even closer, guarantor with the perforate inwall 201 of external equipment cavity 200 The stability of both electrical contacts has been demonstrate,proved, and then ensure that the stability of Electrical Indexes.

Above-mentioned connection end 32 is preferably in into cylindrical shape, and the corresponding Flexible Connector 3 is elastic ring, is coordinated with connection end 32 The hole of external equipment cavity 200 be circular port, processing and fabricating is convenient, and cylindric connection end 32 is formed with inner wire 2 Coaxial transmission passage has more preferable laser propagation effect.

Preferably, the quantity of above-mentioned release groove 321 at least 2, and preferably 4.Ensureing that structural strength is preferable Under the premise of, selection setting can be carried out to the quantity of release groove 321 as needed, be not limited herein.

Further, the connection end 32 is being circumferentially with flange 322 away from the one end of flange 11, specifically in the present embodiment In, the flange 322 is located at end outer rim of the connection end 32 away from flange 11, and the flange 322 is used for and external equipment cavity 200 Perforate inwall 201 carry out Elastic Contact.Being arranged on for flange 322 ensures to protect with the perforate inwall 201 of external equipment cavity 200 On the premise of holding good contact, connection end 32 can be reduced in 201 grafting of perforate inwall of external equipment cavity 200 Contact area, so as to be advantageous to reduce frictional resistance.

The above-mentioned outside of flange 322 is preferably provided with guiding surface (not shown), to further facilitate in connection end 32 and perforate The grafting operation of wall 201.

Certainly, the perforate of said external equipment cavity 200 should be adapted to connection end 32, and the perforate is dimensioned slightly smaller than flange 322 outside dimension is preferred.

Further, the end face of flange 11 is further opened with the seal groove 112 for packing matcrial 6, to be penetrated at this When frequency connector 100 is connected with external equipment cavity 200, the excellent sealing of the two junction is realized.The seal groove 112 is around institute Through hole 12 is stated to set, i.e. the seal groove 112 is preferably annular seal groove, such structure be avoided that radio frequency connector 100 with it is outer After the installation connection of portion's equipment cavity 200, there are inclined feelings in the end face of flange 11 relative to the outer face of external equipment cavity 200 Condition, be advantageous to further reduce intermodulation effects.

Further, the Flexible Connector 3 is preferably copper alloy elastic ring, and such structure has higher machinery special Property and electrical characteristic, such as cause the setting property impedance value be about 50 Ω.

Further, the radio frequency connector 100 also includes dielectric 5, and the dielectric 5 is arranged on the inner wire Between 2 and the shell 1, and it is located between inner wire 2 and outer conductor 4, so that inner wire 2 insulate with outer conductor 4 and shell 1. Certainly, non-contact setting can also be used to keep insulating between inner wire 2 and the outer conductor 4 of shell 1/.

Further, in the present embodiment, above-mentioned flange 11 can be integrally formed with shell 1, to facilitate processing and fabricating.

Described above is only some embodiments of the present utility model, it is noted that for the common skill of the art For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and Retouching also should be regarded as the scope of protection of the utility model.

Claims (10)

1. a kind of radio frequency connector of elastic connection, including shell, be nested in shell and with the inner wire of the casing insulation, Characterized in that, also include Flexible Connector；

Described shell one end is provided with flange；

The Flexible Connector includes the fixing end being connected with each other and connection end, the Flexible Connector pass through the fixing end and institute It is mutually fixed and electrically connect with the shell to state flange, the connection end exposes to the end face of flange and along the stretching flange end The inner wire in face is circumferentially distributed；

The Flexible Connector can be connected by the connection end with external equipment cavity, and can be had with inner wire composition The coaxial transmission passage of setting property impedance.

2. radio frequency connector as claimed in claim 1, it is characterised in that circumferentially-spaced be provided with of the connection end is prolonged vertically The connection end is divided at least two contact valves by the release groove stretched, the release groove.

3. radio frequency connector as claimed in claim 2, it is characterised in that the connection end is cylindrical.

4. radio frequency connector as claimed in claim 1, it is characterised in that the connection end is outer away from described flange one end It is provided with flange week, the flange is used to carry out Elastic Contact with the perforate inwall of the external equipment cavity.

5. radio frequency connector as claimed in claim 4, it is characterised in that the flange outer periphery is provided with guiding surface.

6. radio frequency connector as claimed in claim 1, it is characterised in that the fixing end is provided with bulge loop, on the flange It is provided with mounting groove corresponding with the bulge loop；The bulge loop insertion is arranged in the mounting groove.

7. the radio frequency connector as described in claim any one of 1-6, it is characterised in that also including outer conductor, the outer conductor It is nested in the shell, or the outer conductor is integrally formed with the shell.

8. the radio frequency connector as described in claim any one of 1-6, it is characterised in that the end face of flange is further opened with being used for The seal groove of packing matcrial；The seal groove is annular seal groove.

9. the radio frequency connector as described in claim any one of 1-6, it is characterised in that the Flexible Connector is copper alloy bullet Property circle.

10. the radio frequency connector as described in claim any one of 1-6, it is characterised in that the flange and shell one Shaping.