CN209993760U

CN209993760U - Curved dynamic high intermodulation assembling type connector

Info

Publication number: CN209993760U
Application number: CN201920483050.8U
Authority: CN
Inventors: 肖艳林
Original assignee: Jiangsu Huaxing Communication Technology Co Ltd
Current assignee: Jiangsu Huaxing Communication Technology Co Ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-01-24
Anticipated expiration: 2029-04-10

Abstract

The utility model discloses a curved formula developments high intermodulation connects type connector. The corrugated cable connector comprises a bent shell, a fastening nut is installed at the cable connecting end of the bent shell, a central conductor is arranged in the bent shell, a lock clamp is arranged at the front end of an inner cavity of the fastening nut, an inner conductor and an outer conductor of a corrugated cable are exposed after the corrugated cable is stripped, the fastening nut is sleeved on the corrugated cable and enables the lock clamp to be installed on the outer conductor of the corrugated cable, and the bent shell is fixedly connected with the fastening nut and enables the central conductor to be in conductive connection with the inner conductor of the corrugated cable. After the structure is adopted, the concentricity between the central conductor and the outer conductor is ensured while the stability of the central conductor is ensured, the higher concentricity can ensure that the contact reliability is high when the connector is matched with the inner conductor of the corrugated cable, so that the connector is more stable in a dynamic state, all parts of the cable are reliably connected with the corresponding positions of the connector, all the parts of the connector are tightly matched with the corrugated cable, and the higher mutual adjustment level under the dynamic condition is obtained.

Description

Curved dynamic high intermodulation assembling type connector

Technical Field

The utility model relates to a right angle bending type field installation type connector, specifically speaking are curved formula developments high intermodulation connects type connector.

Background

The method is used for intermodulation test of a field-installed radio frequency coaxial connector under a dynamic condition, the connection mode of the connector and a cable is that an inner conductor is in plug contact and an outer conductor is in screw thread screwing contact, and according to the related theory that radio frequency signals are transmitted in the connector, the tightness degree of the matching of the inner conductor and the outer conductor of the connector and the cable directly influences the intermodulation level of the whole connector cable assembly and the stability of the cable assembly under the dynamic test state.

The conventional bent connector structure in the prior art, the inner conductor and the shell lack insulation support, the outer conductor of the connector and the cable are fixed by a multi-groove wire clamp or a spring, the inner conductor and the outer conductor of the connector are not supported enough due to the two structures, meanwhile, the outer conductor of the connector is not contacted with a cable corrugated pipe tightly enough, the phenomenon that the inner conductor moves or the press-fit position of the outer conductor is loosened easily during dynamic testing is caused, the dynamic intermodulation is unstable due to the two conventional conditions, meanwhile, the level of an intermodulation result is not high due to the contact which is not tightly enough, and therefore how to improve the level and the stability of the intermodulation is a difficult technical problem to solve.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a curved dynamic high intermodulation dress connects type connector that can promote intermodulation level and stability.

In order to solve the technical problem, the utility model discloses a curved formula developments high intermodulation connects type connector, including curved formula casing, the cable junction end that wherein one end of curved formula casing is used for connecting corrugated pipe cable, cable junction end department install with the outer intermodulation complex lock nut of corrugated pipe cable, be provided with the center conductor that supports the installation through the insulator in the curved formula casing, settle the front end of lock nut's inner chamber has the latch card, corrugated pipe cable exposes outer conductor and inner conductor after peeling off, lock nut overlaps on corrugated pipe cable and makes the lock clamp to corrugated pipe cable's outer conductor, curved formula casing and lock nut fixed connection make center conductor and corrugated pipe cable's inner conductor conductive connection.

A stepped hole is formed in the front end of the inner cavity of the locking nut, and the locking clamp is arranged in the stepped hole.

The cable connecting end of the bent shell is provided with a threaded hole, the end part of the locking nut is provided with an external thread, the end part of the locking nut is further provided with a sealing ring positioned at the rear part of the external thread, and the locking nut is connected to the threaded hole of the bent shell through the external thread.

The cross-sectional shape of lock card is triangle-shaped, be provided with the briquetting that has the direction inclined plane in the curved shell, the lock card compresses tightly fixedly through the direction inclined plane of briquetting.

The end part of the central conductor is provided with a central hole, and the inner conductor of the corrugated cable is inserted into the central hole of the central conductor.

The central conductor is welded in the bent shell through soldering tin.

After the structure is adopted, the contact area structure of the inner conductor of the corrugated cable and the central conductor of the connector is optimized, the insulating support structure is added between the central conductor of the connector matched with the corrugated cable and the shell, so that the concentricity between the central conductor and the outer conductor is ensured while the stability of the central conductor is ensured, the higher concentricity can ensure that the contact reliability is high when the connector is matched with the inner conductor of the corrugated cable, in addition, the end surfaces of the connector and the outer conductor are compressed by adopting a pressing block compression mode with a guide inclined plane, so that the corrugated cable pipe can be tightly clamped for exactly one circle, the corrugated cable is matched with the connector more tightly, the outer conductor of the cable is completely compressed on the outer conductor of the connector by the pressure obtained by screwing the fixing nut through the pressing block, the dynamic state of the corrugated cable is more stable, and the support among all the conductors of the connector is good, the connection of each part of the cable and the corresponding position of the connector is very reliable, so that each part of the connector and the corrugated cable are tightly matched, and a higher intermodulation level under a dynamic condition is obtained.

Drawings

Fig. 1 is an exploded view of a curved dynamic high intermodulation assembly connector according to the present invention;

fig. 2 is a schematic diagram of an assembly structure of the curved dynamic high intermodulation assembling type connector of the present invention.

Detailed Description

The following describes the curved dynamic high intermodulation mounting type connector according to the present invention in further detail with reference to the accompanying drawings and the detailed description.

As shown in the figure, the bending type dynamic high intermodulation assembling type connector of the utility model is mainly applied to the occasion that the cable trend needs to be changed by adopting a right-angle bending type connector due to the change of space limitation and signal transmission direction when 1/2' common corrugated pipe cable is arranged on an engineering site, in particular to the occasion that the male and female mutual matching ends are vertically connected with a corrugated pipe cable connecting end by designing the male and female mutual matching ends into 90 degrees, the matching of the connector and the corrugated cable is an inner conductor elastic plugging and pulling and outer conductor thread screwing compaction structure, which comprises a bending type shell 1, one end of the bending type shell 1 is used as a cable connecting end for connecting a corrugated pipe cable 2, a locking nut 4 which is in intermodulation matching with the outside of the corrugated pipe cable is arranged at the cable connecting end, the specific structure of the bending type shell 1 belongs to the conventional component structure, a central conductor 6 which is supported and installed through an insulator 5 is arranged in the, center conductor 6 passes through soldering tin welding in curved casing 1, be provided with the shoulder hole in the inner chamber front end of lock nut 4, it has lock 7 to settle in the shoulder hole of lock nut 4, corrugated pipe cable 2 exposes outer conductor 8 and inner conductor 9 after peeling off, lock nut 4 cover is on corrugated pipe cable 2 and makes the lock clamp to the outer conductor of corrugated pipe cable, the tip of center conductor 6 is provided with the centre bore, curved casing 1 and lock nut 4 fixed connection and make the inner conductor of corrugated pipe cable peg graft and realize the conductive connection in the centre bore of center conductor.

Furthermore, the cable connecting end of the bent shell 1 is provided with a threaded hole, the end of the locking nut 4 is provided with an external thread, the end of the locking nut 4 is further provided with a sealing ring 10 positioned at the rear part of the external thread, the locking nut 4 is connected with the threaded hole of the bent shell through the external thread, a sealing connection structure can be formed, the locking clip 7 is a closed ring body structure, the cross section of the locking clip is triangular, a pressing block 11 with a guide inclined plane is arranged in the bent shell 1, as can be seen from fig. 2, the locking clip 7 is pressed and fixed through the guide inclined plane of the pressing block 11, and the inclined plane of the pressing block is just matched with the cross section part of the locking clip to form a pressing structure for.

When the connector is installed, the locking nut provided with the sealing ring is pushed into the corrugated cable with the inner conductor and the outer conductor stripped in advance, then the lock is clamped on the outer conductor of the corrugated cable, the outer conductor of the corrugated cable is spread to form a cable assembly, the connector main body (comprising the bent shell, the central conductor, the insulator and the like) is pushed into the cable assembly to enable the central conductor of the connector main body to be matched with the corrugated cable, finally the connector main body and the locking nut with the sealing ring are respectively screwed, namely the connector and the cable are installed, and the test is carried out under the dynamic condition.

Claims

1. A curved dynamic high intermodulation assembling type connector is characterized in that: including curved casing (1), wherein one end of curved casing (1) is as the cable junction end that is used for connecting corrugated pipe cable (2), cable junction end department installs with the outer intermodulation complex lock nut (4) of corrugated pipe cable, be provided with central conductor (6) of supporting the installation through insulator (5) in curved casing (1), the front end of the inner chamber of lock nut (4) is settled has lock card (7), corrugated pipe cable (2) expose outer conductor (8) and inner conductor (9) after peeling off, lock nut (4) cover is on corrugated pipe cable (2) and make the lock card to adorn on the outer conductor of corrugated pipe cable, curved casing (1) and lock nut (4) fixed connection and make central conductor and corrugated pipe cable's inner conductor conductive connection.

2. The curved dynamic high intermodulation installed connector of claim 1, wherein: a stepped hole is formed in the front end of the inner cavity of the locking nut (4), and the locking clamp (7) is arranged in the stepped hole.

3. The curved dynamic high intermodulation installed connector of claim 1 or 2, wherein: the cable connecting end of the bent shell (1) is provided with a threaded hole, the end part of the locking nut (4) is provided with an external thread, the end part of the locking nut (4) is further provided with a sealing ring (10) located at the rear part of the external thread, and the locking nut (4) is connected to the threaded hole of the bent shell through the external thread.

4. The curved dynamic high intermodulation installed connector of claim 3, wherein: the cross-sectional shape of lock card (7) is triangle-shaped, be provided with briquetting (11) that have the direction inclined plane in curved casing (1), lock card (7) compress tightly fixedly through the direction inclined plane of briquetting (11).

5. The curved dynamic high intermodulation installed connector of claim 1, 2 or 4, wherein: the end part of the central conductor (6) is provided with a central hole, and the inner conductor of the corrugated cable is inserted into the central hole of the central conductor.

6. The curved dynamic high intermodulation installed connector of claim 5, wherein: the central conductor (6) is welded in the bent shell (1) through soldering tin.