CN214428869U

CN214428869U - High-frequency bent radio frequency connector

Info

Publication number: CN214428869U
Application number: CN202120403986.2U
Authority: CN
Inventors: 刘旭; 张庆宇; 汤儒超
Original assignee: AVIC Shenyang Xinghua Aero Electrical Appliance Co Ltd
Current assignee: AVIC Shenyang Xinghua Aero Electrical Appliance Co Ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-10-19
Anticipated expiration: 2031-02-24

Abstract

The utility model relates to the technical field of connectors, a high-frequency bent radio frequency connector, which comprises a shell, a connecting nut, a clamp spring, a rubber pad, an insulator and a contact pin, wherein the shell comprises a horizontal section and a vertical section which are integrally formed, the butt joint end of the horizontal section is fixed with the connecting nut through the clamp spring, the rubber pad is further fixed between the connecting nut and the horizontal section, the horizontal section is provided with an agnail on the butt joint surface of the horizontal section and the insulator, the insulator is in interference assembly with the horizontal section through the agnail, the middle part of the insulator is provided with a hole cavity for assembling the contact pin, a first convex ring is arranged in the hole cavity, a first groove matched with the first convex ring is arranged on the contact pin, the first groove is matched with the first convex ring to realize the axial fixation of the contact pin and the insulator, the tail part of the contact pin is provided with a welding groove for welding a wire core, the tail end of the insulator is provided with a compensation section, the outer diameter of the compensation section is smaller than that of the insulator main body. The utility model has the advantages of stable electrical performance and the like.

Description

High-frequency bent radio frequency connector

Technical Field

The utility model relates to a connector technical field, concretely relates to curved formula radio frequency connector of high frequency.

Background

Nowadays, the whole system is moving to miniaturization, and when the components are dense, a space-saving way needs to be found in order to obtain more space. Analysis shows that the bent connector avoids the bending of the lead at the outlet compared with a straight connector after the cable is connected, saves the space occupied by the bending of the lead and achieves the purposes of miniaturization and microminiaturization. With the wide application of rf connectors in the fields of communications, microwaves, etc., the demand for the bent rf connectors is increasing. Most of the bent radio frequency connector structures in the current market are directly interfered by an insulator and a shell, a contact pin is interfered with an insulator barb structure, a compensation structure is not provided, and the transmission frequency is generally below 3 GHz. Therefore, there is a need for a high frequency curved rf connector.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a curved formula radio frequency connector of high frequency, it has advantages such as high frequency signal transmission, electrical property stability.

In order to achieve the above object, the utility model adopts the following technical scheme: a high-frequency bending radio frequency connector comprises a shell, a connecting nut, a clamp spring, a rubber pad, an insulator and a contact pin, the shell comprises a horizontal section and a vertical section which are integrally formed, a connecting nut is fixed at the butt joint end of the horizontal section through a snap spring, a rubber pad is fixed between the connecting nut and the horizontal section, the horizontal section is provided with a barb on the butt joint surface of the horizontal section and the insulator, the insulator is in interference fit with the horizontal section through barbs, the middle part of the insulator is provided with a hole cavity for assembling a pin, the cavity is internally provided with a first convex ring, the contact pin is provided with a first groove matched with the first convex ring, the first groove is matched with the first convex ring to realize the axial fixation of the contact pin and the insulator, the tail part of the contact pin is provided with a welding groove for welding the wire core of the lead, the tail end of the insulator is provided with a compensation section, and the outer diameter of the compensation section is smaller than that of the insulator main body.

Preferably, the shell is further provided with a cover, and the cover is in interference fit with the tail end of the horizontal section.

Preferably, the transition position between the end surface of the butt end of the coupling nut and the inner peripheral surface has a first rounded structure.

Preferably, the transition position between the end surface and the outer peripheral surface of the butt end of the coupling nut has a second rounded structure.

Use the utility model discloses a beneficial effect is: the utility model discloses a position compensation of insulator front end is formed to the barb of setting on the casing and the first recess on the contact pin, and the insulator afterbody forms the compensation of air position through the compensation section that sets up the external diameter and be less than the insulator main part to voltage standing-wave ratio has been optimized, the messenger the utility model discloses possess high frequency signal transmission, the stable advantage of electrical property, will cover and assemble with casing right-hand member trompil department, realize the cooperation with the casing through the interference mode, guarantee the electrical property of product, realize the electric continuity of product, insert to join in marriage the end and be furnished with the cushion and realize dustproof and waterproof function.

Drawings

Fig. 1 is a schematic structural view of the present invention;

the reference numerals include:

1-shell, 11-barb, 2-connecting nut, 21-first rounding structure, 22-second rounding structure, 3-clamp spring, 4-rubber pad, 5-insulator, 51-first convex ring, 52-compensation section, 6-pin, 61-welding groove and 7-cover.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, a high frequency bending type radio frequency connector comprises a housing 1, a connection nut 2, a clamp spring 3, a rubber pad 4, an insulator 5 and a contact pin 6, wherein the housing 1 comprises an integrally formed horizontal section and a vertical section, the butt joint end of the horizontal section is fixed with the connection nut 2 through the clamp spring 3, the rubber pad 4 is further fixed between the connection nut 2 and the horizontal section, the horizontal section has barbs 11 on the butt joint surfaces of the horizontal section and the insulator 5, the insulator 5 is in interference fit with the horizontal section through the barbs 11, the middle part of the insulator 5 has a hole cavity for assembling the contact pin 6, the hole cavity has a first convex ring 51, the contact pin 6 has a first groove matched with the first convex ring 51, the first groove is matched with the first convex ring 51 to realize axial fixation of the contact pin 6 and the insulator 5, the tail part of the contact pin 6 has a welding groove 61 for welding a wire core, the tail end of the insulator 5 is provided with a compensating section 52, and the outer diameter of the compensating section 52 is smaller than that of the main body of the insulator 5, namely, the compensating section is in a step shape. The barb on the shell and the first groove of the contact pin form the compensation of the position of the front-end insulator, and the tail of the insulator forms the compensation of the air position in a stepped mode to optimize the voltage standing wave ratio of the product. When the coaxial cable connector is used, the coaxial cable shielding layer is welded with the shell, and the coaxial cable and the bent radio frequency connector are fixed.

The shell 1 is also provided with a cover 7, and the cover 7 is in interference fit with the tail end of the horizontal section. The terminal trompil of horizontal segment of casing for coaxial conductor sinle silk's welding, coaxial conductor welding accomplishes the back, assembles lid and casing trompil department, realizes the cooperation with the casing through the interference mode, guarantees the electrical property of product, realizes the electric continuity of product.

The transition position of the end surface and the inner peripheral surface of the butt end of the connecting nut 2 is provided with a first rounding structure 21.

And a second fillet structure 22 is arranged at the transition position of the end surface and the outer peripheral surface of the butt joint end of the connecting nut 2.

The above description is only a preferred embodiment of the present invention, and many changes can be made in the detailed description and the application scope according to the idea of the present invention for those skilled in the art, which all belong to the protection scope of the present invention as long as the changes do not depart from the concept of the present invention.

Claims

1. A high frequency bend radio frequency connector characterized in that: including casing (1), coupling nut (2), jump ring (3), cushion (4), insulator (5) and contact pin (6), casing (1) is including integrated into one piece's horizontal segment and vertical section, the butt joint end of horizontal segment is fixed with coupling nut (2) through jump ring (3), still be fixed with cushion (4) between coupling nut (2) and the horizontal segment, the horizontal segment has barb (11) on its butt joint face with insulator (5), insulator (5) are through barb (11) and horizontal segment interference fit, insulator (5) middle part has the vestibule that is used for assembling contact pin (6), the vestibule has first bulge loop (51), contact pin (6) are gone up have with first bulge loop (51) assorted first recess, the axial fixity of contact pin (6) and insulator (5) is realized in first recess and the cooperation of first bulge loop (51), the tail part of the contact pin (6) is provided with a welding groove (61) for welding a wire core, the tail end of the insulator (5) is provided with a compensation section (52), and the outer diameter of the compensation section (52) is smaller than that of the main body of the insulator (5).

2. The high frequency curved radio frequency connector according to claim 1, wherein: still be equipped with lid (7) on casing (1), lid (7) and horizontal segment tail end interference fit.

3. The high frequency curved radio frequency connector according to claim 1, wherein: the transition position of the end surface and the inner peripheral surface of the butt joint end of the connecting nut (2) is provided with a first fillet structure (21).

4. The high frequency curved radio frequency connector according to claim 1, wherein: and a second fillet structure (22) is arranged at the transition position of the end surface of the butt joint end of the connecting nut (2) and the peripheral surface.