CN219739504U

CN219739504U - Radio frequency coaxial multi-core connector

Info

Publication number: CN219739504U
Application number: CN202321138317.2U
Authority: CN
Inventors: 蔡继兵
Original assignee: Yangzhou Hongbo Electronic Industry Co ltd
Current assignee: Yangzhou Hongbo Electronic Industry Co ltd
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2023-09-22
Anticipated expiration: 2033-05-12

Abstract

The utility model discloses a radio frequency coaxial multi-core connector, and relates to the technical field of radio frequency transmission facilities. The radio frequency coaxial multi-core connector comprises a connecting substrate, wherein a connecting seat is fixedly connected to the outer wall of the connecting substrate, a plurality of groups of thread grooves are formed in the inner wall of the connecting seat, clamping grooves and clamping holes are formed in the inner sides of the thread grooves in the inner wall of the connecting substrate respectively, outer conductors are arranged on the connecting seat and comprise a front shell and a rear shell, and the front shell and the rear shell are of an integrated structure. After this product changes into separately producing the screw thread outer conductor through connector tied in a bundle, the integrated equipment is on connecting the base plate, can select the coaxial cable of multiple specification, and the convenience is tested every unit when the equipment, detects simpler, and the construction is more convenient, adopts threaded connection's mode to prevent the pine and takes off, improves signal transmission's stability, makes electric properties more reliable, and is more stable with the intermodulation of product.

Description

Radio frequency coaxial multi-core connector

Technical Field

The utility model relates to the technical field of radio frequency transmission facilities, in particular to a radio frequency coaxial multi-core connector.

Background

A radio frequency coaxial connector (hereinafter referred to as RF connector) is generally considered to be a component attached to a cable or mounted on an instrument, as a component for electrically connecting or disconnecting a transmission line, belonging to an electromechanical integrated product, and is generally attached to a cable or equipment, as a separable component for electrically connecting a transmission line system.

The radio frequency coaxial connector is connected with the power divider and the coupler by using the bunched cable connector, the bunched cable connector is connected with a plurality of cores, machining dimensional errors exist between each core and each core, when the connector is connected, the inner conductor and the inner conductor of each unit are deviated from each other, gaps are generated by traction of the outer conductor and the outer conductor, intermodulation performance of products is seriously affected, electric performance is deteriorated, the power divider and the coupler are difficult to debug and detect when the coupler is assembled, engineering construction is inconvenient, meanwhile, due to heavy copper materials and high product cost, the bunched cable connector can only be used specifically and connected with the copper materials, and cannot be shared with the existing connectors with various specifications in the market.

Disclosure of Invention

The utility model aims to provide a radio frequency coaxial multi-core connector, which solves the technical problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the radio frequency coaxial multi-core connector comprises a connecting substrate, wherein the outer wall of the connecting substrate is fixedly connected with a connecting seat, a plurality of groups of thread grooves are formed in the inner wall of the connecting seat, clamping grooves and clamping holes are respectively formed in the inner wall of the connecting substrate and located on the inner sides of the thread grooves, the clamping holes are located on the inner sides of the clamping grooves, and an outer conductor is arranged on the connecting seat;

the outer conductor comprises a front shell and a rear shell, the front shell and the rear shell are of an integrated structure, the diameter of the rear shell is larger than that of the front shell, the front shell is inserted into the clamping hole, the outer wall of the rear shell is clamped with the inner wall of the clamping groove, the outer wall of the rear shell is provided with external threads, and the external threads are in threaded connection with the inner wall of the threaded groove.

Preferably, an insulator is fixedly connected to the inner wall of the front shell, and an inner conductor is connected to the inner wall of the insulator in a penetrating manner.

Preferably, the rear end of the outer conductor is connected with a cable, an insulating sheet is arranged in the cable, a wire is inserted into the inner wall of the insulating sheet, and the rear end of the inner conductor is connected with the wire.

Preferably, through holes are formed in four corners of the connecting substrate.

Preferably, the outer surface of the connecting substrate is provided with a silica gel ring, and the silica gel ring is positioned at the outer sides of the plurality of groups of clamping holes.

Compared with the related art, the radio frequency coaxial multi-core connector provided by the utility model has the following beneficial effects:

1. the utility model provides a radio frequency coaxial multi-core connector, which is characterized in that after a bunched connector is changed into a threaded outer conductor which is produced separately, the bunched connector is integrally assembled on a connecting substrate, coaxial cables with various specifications can be selected, each unit is conveniently tested during assembly, the detection is simpler, the construction is more convenient, the loosening is prevented by adopting a threaded connection mode, the stability of signal transmission is improved, the electrical performance is more reliable, and the intermodulation with the product is more stable.

2. The utility model provides a radio frequency coaxial multi-core connector, which adopts a multi-core design mode to integrate and connect, reduces the production cost, does not need secondary connection, solves the problems of poor connection stability and inconvenient butt joint of the traditional cable, has lower cost, and is more suitable for the market demand.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the connection base of the present utility model;

FIG. 3 is a schematic view of the structure of the thread groove of the present utility model;

FIG. 4 is a schematic view of the structure of the outer conductor of the present utility model;

fig. 5 is a schematic view of the sectional structure of the present utility model.

In the figure: 1. a connection substrate; 2. a connecting seat; 3. a thread groove; 4. a clamping groove; 5. a clamping hole; 6. an outer conductor; 601. a front shell; 602. a rear case; 7. an external thread; 8. an inner conductor; 9. an insulator; 10. a through hole; 11. a silica gel ring; 12. a cable.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples:

referring to fig. 1-5, the present utility model provides a technical solution: the radio frequency coaxial multi-core connector comprises a connecting substrate 1, wherein the outer wall of the connecting substrate 1 is fixedly connected with a connecting seat 2, a plurality of groups of thread grooves 3 are formed in the inner wall of the connecting seat 2, clamping grooves 4 and clamping holes 5 are respectively formed in the inner sides of the thread grooves 3, the clamping holes 5 are positioned in the inner sides of the clamping grooves 4, an outer conductor 6 is arranged on the connecting seat 2, the outer conductor 6 comprises a front shell 601 and a rear shell 602, the front shell 601 and the rear shell 602 are of an integrated structure, the diameter of the rear shell 602 is larger than that of the front shell 601, the front shell 601 is spliced with the clamping holes 5, the outer wall of the rear shell 602 is clamped with the inner wall of the clamping grooves 4, external threads 7 are formed in the outer wall of the rear shell 602, and the external threads 7 are in threaded connection with the inner wall of the thread grooves 3;

an insulator 9 is fixedly connected to the inner wall of the front shell 601, and an inner conductor 8 is connected to the inner wall of the insulator 9 in a penetrating manner;

the rear end of the outer conductor 6 is connected with a cable 12, an insulating sheet is arranged in the cable 12, a wire is inserted into the inner wall of the insulating sheet, and the rear end of the inner conductor 8 is connected with the wire;

in this embodiment, this product is used for the broadband network power divider of basic station, the coupler cavity is connected usefulness, through with power divider or coupler and various radio communication machine case equipment are connected usefulness, can accomplish signal transmission after the equipment finished product, during the assembly, firstly with the wire and the inner conductor 8 welding of cable 12, afterwards with insulator 9 suit on inner conductor 8, then pack into outer conductor 6 and carry out soldering tin and seal, during the use, with the integrated equipment of a plurality of cables 12 on connection base plate 1, screw in thread groove 3 with the external screw thread 7 of outer conductor 6, the in-process of screwing in, preceding shell 601 gradually penetrates in the draw-in hole 5, simultaneously, the corresponding card of backshell 602 is gone into inside draw-in groove 4, make the junction be difficult for taking off, reduce signal attenuation, strengthen signal transmission's stability, this process is through with cable 12 integrated connection on connection base plate 1, the cost is saved, need not to carry out secondary connection, the poor stability when having solved traditional cable 12 and the inconvenient problem of butt joint.

Through holes 10 are formed in four corners of the connecting substrate 1, a silica gel ring 11 is arranged on the outer surface of the connecting substrate 1, and the silica gel ring 11 is located on the outer sides of the plurality of groups of clamping holes 5.

In this embodiment, the fixing parts such as screws are conveniently connected to the connection substrate 1 through the through holes 10, so as to mount the connection substrate 1, and the surface of the connection substrate 1 is sealed by the silica gel ring 11, so that the waterproof effect is achieved.

Working principle: during assembly, firstly, the wires of the cables 12 are welded with the inner conductor 8, then the insulators 9 are sleeved on the inner conductor 8, then the outer conductor 6 is plugged into the inner conductor for soldering tin sealing, during use, a plurality of cables 12 are integrally assembled on the connecting substrate 1, the external threads 7 of the outer conductor 6 are screwed into the thread grooves 3, the front shell 601 gradually penetrates into the clamping holes 5 in the screwing process, meanwhile, the rear shell 602 is correspondingly clamped into the clamping grooves 4, the connecting position is not easy to loosen, signal attenuation is reduced, stability of signal transmission is enhanced, cost is saved by integrally connecting the cables 12 on the connecting substrate 1, secondary connection is not needed, and the problems of poor stability and inconvenient butt joint in the traditional cable 12 connection are solved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The radio frequency coaxial multi-core connector comprises a connecting substrate (1), and is characterized in that: the connecting base plate is characterized in that the outer wall of the connecting base plate (1) is fixedly connected with a connecting seat (2), a plurality of groups of thread grooves (3) are formed in the inner wall of the connecting seat (2), clamping grooves (4) and clamping holes (5) are formed in the inner sides of the thread grooves (3) in the inner wall of the connecting base plate (1), the clamping holes (5) are located in the inner sides of the clamping grooves (4), and an outer conductor (6) is arranged on the connecting seat (2);

the outer conductor (6) comprises a front shell (601) and a rear shell (602), the front shell (601) and the rear shell (602) are of an integrated structure, the diameter of the rear shell (602) is larger than that of the front shell (601), the front shell (601) is inserted into the clamping hole (5), the outer wall of the rear shell (602) is clamped with the inner wall of the clamping groove (4), the outer wall of the rear shell (602) is provided with an external thread (7), and the external thread (7) is in threaded connection with the inner wall of the thread groove (3).

2. The radio frequency coaxial multi-core connector of claim 1, wherein: an insulator (9) is fixedly connected to the inner wall of the front shell (601), and an inner conductor (8) is connected to the inner wall of the insulator (9) in a penetrating mode.

3. The radio frequency coaxial multi-core connector of claim 2, wherein: the rear end of the outer conductor (6) is connected with a cable (12), an insulating sheet is arranged in the cable (12), a wire is inserted into the inner wall of the insulating sheet, and the rear end of the inner conductor (8) is connected with the wire.

4. The radio frequency coaxial multi-core connector of claim 1, wherein: through holes (10) are formed in four corners of the connecting substrate (1).

5. The radio frequency coaxial multi-core connector of claim 1, wherein: the outer surface of the connecting substrate (1) is provided with a silica gel ring (11), and the silica gel ring (11) is positioned at the outer sides of the plurality of groups of clamping holes (5).