CN102801063A

CN102801063A - Cable-connecting radio-frequency coaxial connector

Info

Publication number: CN102801063A
Application number: CN2012102918926A
Authority: CN
Inventors: 赵纪正
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: China Aviation Optical Electrical Technology Co Ltd
Priority date: 2012-08-16
Filing date: 2012-08-16
Publication date: 2012-11-28
Anticipated expiration: 2032-08-16
Also published as: CN102801063B

Abstract

The invention relates to the field of electric connectors, in particular to a cable-connecting radio-frequency coaxial connector. The cable-connecting radio-frequency coaxial connector comprises an outer conductor and an inner conductor assembled in the outer conductor via an insulator, wherein an insulated hard stop body is arranged in the outer conductor, and the hard stop body is located at the rear end of the inner conductor and is provided with a threading hole for a core wire of the coaxial cable to pass through. When the connector is connected with the corresponding coaxial cable, a shielding layer of the coaxial cable blocks the hard stop body from moving backwards in the outer conductor, and the hard stop body is abutted against the inner conductor and blocks the inner conductor from moving backwards in the outer conductor. Compared with the traditional cable-connecting radio-frequency coaxial connector, the cable-connecting radio-frequency coaxial connector provided by the invention can prevent the inner conductor from retracting backwards through the corresponding coaxial cable and the hard stop body in use, and the needle retraction problem that the traditional cable-connecting radio-frequency coaxial connector is solved.

Description

Connect the cable radio frequency (RF) coaxial connector

Technical field

The present invention relates to electric connector field, especially a kind of cable radio frequency (RF) coaxial connector that connects.

Background technology

Radio frequency (RF) coaxial connector mainly is used for realizing the switching and the transmission of radiofrequency signal, is widely used in fields such as communication system, microwave measurement system and instrument and meter.Radio frequency (RF) coaxial connector generally comprises the insulator between the coaxial outer conductor that is assembled together, inner wire and the inner and outer conductor; Function by its realization is divided, and can be divided into types such as connecting cable connector, microband connector and adapter.

Connecting the cable radio frequency (RF) coaxial connector is mainly used in radio frequency coaxial-cable and is connected; Realize the transmission of signal; Radio frequency coaxial-cable is made up of heart yearn, screen and insulating barrier, and it is exactly that cable core is connected with the connector inner wire that connector is connected with radio frequency coaxial-cable, and cable shield is connected with connector shell; Also to guarantee the continuity of characteristic impedance during connection, to guarantee the quality of signal transmission.

Radio frequency (RF) coaxial connector shown in Figure 1 be exactly connect in the cable radio frequency (RF) coaxial connector comparatively common a kind of; The outer conductor of this connector is made up of protheca 11 and back cover 12; Inner wire 13 is assemblied in the protheca 11 through insulator 14; The internal face of protheca 11 is provided with the rearward step surface of one side, this step surface block insulator 14 moving forward in protheca 11, and cover 12 rear ends from protheca 11, back are inserted into the protheca 11 and with protheca 11 and are fixed together; The front end of back cover 12 props up the rear end of insulator 14 and stops insulator 14 moving backward in protheca 11, and so far inner and outer conductor and insulator have been assembled in together; During use the rear end of said inner wire is connected with the heart yearn of corresponding radio frequency coaxial-cable, the back cover of outer conductor is connected with the screen of cable, thus the coaxial transmission of realization signal.

Above-mentioned radio frequency (RF) coaxial connector has obtained using very widely aborning; But crooked or when expanding with heat and contract with cold when cable, it is flexible that its heart yearn tends to drive the inner wire of connector, the shortening phenomenon that Here it is often says in the industry; This kind phenomenon is in case occur; Light then cause the change of connector inner structure size, heavy then directly can cause inner wire and intermateable connector to break off the problem that loose contact occurs or open circuit.Present the problems referred to above are ubiquity still, and has caused baneful influence widely.In addition; Because described inner wire only depends on the insulator that is located in the protheca to fix; Its rear end poises; Therefore the situation that beat takes place under the effect of corresponding cable inner wire in use also happens occasionally, and this situation is in case appearance then very likely causes the problem generation of inner wire and outer conductor contact short circuit.

Summary of the invention

The object of the present invention is to provide a kind of cable radio frequency (RF) coaxial connector that connects, to solve the existing shortening problem that connects the cable radio frequency (RF) coaxial connector.

In order to address the above problem; The cable radio frequency (RF) coaxial connector that connects of the present invention adopts following technical scheme: connect the cable radio frequency (RF) coaxial connector; Comprise outer conductor and be assemblied in the inner wire in the outer conductor; Be provided with the hard stopping body of insulation in the said outer conductor, said hard stopping body is positioned at the rear end of inner wire and has the cable-through hole that the heart yearn that supplies corresponding coaxial cable passes, after this connector and corresponding coaxial cable connection; The screen block hard stopping body of coaxial cable moving backward in outer conductor, hard stopping body props up inner wire and stops inner wire in outer conductor, to move backward.

Said hard stopping body cooperates with internal face slide-and-guide on fore-and-aft direction of outer conductor.

Said cable-through hole has the radially movable hole wall of heart yearn that is used to prevent corresponding coaxial cable.

Owing to of the present inventionly connect the cable radio frequency (RF) coaxial connector is provided with insulation in its outer conductor hard stopping body; Said hard stopping body is positioned at the rear end of inner wire and has the cable-through hole that the heart yearn that supplies corresponding coaxial cable passes; When this connector with after corresponding coaxial cable connects; The screen block hard stopping body of coaxial cable moving backward in outer conductor, hard stopping body props up inner wire and stops inner wire in outer conductor, to move backward; Therefore; Compare with the existing cable radio frequency (RF) coaxial connector that connects; Coaxial cable that the cable radio frequency (RF) coaxial connector in use can be through correspondence and the said hard stopping body of connecting of the present invention prevents that inner wire from withdrawing backward, solved the existing shortening problem that connects the cable radio frequency (RF) coaxial connector.

Further, make said hard stopping body cooperate the accurate installation that can realize easily to hard stopping body with internal face slide-and-guide on fore-and-aft direction of outer conductor; Because in use, the heart yearn of corresponding coaxial cable is plug-in mounting and is fixed in the inner wire, so the radially movable of the hole wall of cable-through hole restriction heart yearn just can avoid the phenomenon of inner wire beat to occur through heart yearn.

Description of drawings

Fig. 1 is the existing structural representation that connects the cable radio frequency (RF) coaxial connector;

Fig. 2 is the structural representation that connects the embodiment 1 of cable radio frequency (RF) coaxial connector of the present invention;

Fig. 3 is the user mode figure that connects the embodiment 1 of cable radio frequency (RF) coaxial connector of the present invention.

Embodiment

The embodiment 1 that connects the cable radio frequency (RF) coaxial connector of the present invention shown in Fig. 2-3, comprises the hard stopping body 23 of inner wire 21, outer conductor, insulator (not shown) and insulation.Wherein inner wire 21 connects with the heart yearn 22 of corresponding coaxial cable when this connector wiring; Outer conductor is made up of protheca 24 and back cover 25; The front end of protheca 24 is an inserted terminal; Inner wire 21 is assemblied in the protheca 24 through insulator, and the internal face of protheca 24 is provided with the rearward step surface of one side, this step surface block insulator moving forward in protheca 24; Cover 25 rear ends from protheca 24 in back are inserted into the protheca 24 and with protheca 24 and are fixed together, and the front end of back cover 25 props up the rear end of insulator and stops insulator moving backward in protheca 24; Hard stopping body 23 is arranged in the back cover 25 of outer conductor and at the tail end place of inner wire 21; Hard stopping body 23 is assemblied in the back cover 25 along the fore-and-aft direction guiding; Therefore it can't be swung in back cover 25; When this connector with after corresponding coaxial cable connects, the screen 26 block hard stopping bodies 23 of coaxial cable moving backward in outer conductor, hard stopping body 23 props up inner wire 21 and stops inner wire 21 in outer conductor, to move backward.

In other embodiment that connects the cable radio frequency (RF) coaxial connector of the present invention; Hard stopping body described in the foregoing description 1 can also cooperate with back cover slide-and-guide; The shape of the roof pressure portion on the hard stopping body also can be coincide with the rear end face of inner wire, its only need to receive coaxial cable screen roof pressure power and it conducted to inner wire get final product.

Claims

1. connect the cable radio frequency (RF) coaxial connector; Comprise outer conductor and be assemblied in the inner wire in the outer conductor; It is characterized in that; Be provided with the hard stopping body of insulation in the said outer conductor, said hard stopping body is positioned at the rear end of inner wire and has the cable-through hole that the heart yearn that supplies corresponding coaxial cable passes, after this connector and corresponding coaxial cable connection; The screen block hard stopping body of coaxial cable moving backward in outer conductor, hard stopping body props up inner wire and stops inner wire in outer conductor, to move backward.

2. the cable radio frequency (RF) coaxial connector that connects according to claim 1 is characterized in that, said hard stopping body cooperates with internal face slide-and-guide on fore-and-aft direction of outer conductor.

3. the cable radio frequency (RF) coaxial connector that connects according to claim 1 and 2 is characterized in that, said cable-through hole has the radially movable hole wall of heart yearn that is used to prevent corresponding coaxial cable.