CN212571592U

CN212571592U - RF radio frequency coaxial connector

Info

Publication number: CN212571592U
Application number: CN202021579565.7U
Authority: CN
Inventors: 高建瑞; 高凤珍
Original assignee: Dongguan Biying Industrial Co ltd
Current assignee: Dongguan Biying Industrial Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-02-19
Anticipated expiration: 2030-08-03

Abstract

The utility model discloses a RF coaxial connector, which comprises an insulation main body, a signal terminal and a grounding shell; the back surface of the insulating main body is concavely provided with a fixed groove, and the front surface of the front end of the insulating main body is provided with an insertion hole communicated with the fixed groove; the signal terminal is embedded in the fixed groove and fixed, the front end of the signal terminal is bent towards the front to extend to form a contact end, the contact end is positioned in the jack, the rear end of the signal terminal is provided with a welding end, and the welding end is bent to form an accommodating groove with an opening facing the back for coaxial line placement; the grounding shell is wrapped outside the insulating main body, and the jack is exposed out of the grounding shell. The welding end of this product is formed with the opening through bending and supplies the storage tank that the coaxial line was placed towards the back for when signal terminal welded with the coaxial line, soldering tin and storage tank inner wall contact were fixed, and the structure of product bonding wire is more reliable and more stable, prevents to lead to the condition of contact failure because of the welding unstability.

Description

RF radio frequency coaxial connector

Technical Field

The utility model belongs to the technical field of the connector technique and specifically relates to indicate a RF radio frequency coaxial connector.

Background

An RF (radio frequency) connector is a separable element with the working frequency within an Mhz frequency band and used for electrically connecting a transmission line system, and has the characteristics of small volume, high frequency, multiple functions, low standing wave, low loss and high power.

Common radio frequency connector is including insulating main part, signal terminal and ground connection shell, when the equipment, need with coaxial line welded fastening on signal terminal, its signal terminal's welding end is level and smooth, appears easily because of the welding unstability leads to the condition of contact failure, influences the signal transmission quality. Therefore, there is a need to improve upon the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a gap in the prior art, and a primary object of the present invention is to provide an RF coaxial connector, which can effectively solve the problem of poor welding between the signal terminal and the coaxial line of the prior RF connector.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an RF radio frequency coaxial connector comprises an insulating main body, a signal terminal and a grounding shell; the back surface of the insulating main body is concavely provided with a fixed groove, and the front surface of the front end of the insulating main body is provided with an insertion hole communicated with the fixed groove; the signal terminal is embedded in the fixed groove and fixed, the front end of the signal terminal is bent towards the front to extend to form a contact end, the contact end is positioned in the jack, the rear end of the signal terminal is provided with a welding end, and the welding end is bent to form an accommodating groove with an opening facing the back for coaxial line placement; the grounding shell is wrapped outside the insulating main body, and the jack is exposed out of the grounding shell.

Preferably, a bendable insulating cover plate is integrally extended from the front end edge of the fixing groove, the insulating cover plate is matched with the fixing groove, and the insulating cover plate is embedded into the fixing groove and covers the signal terminal.

As a preferable scheme, the signal terminal includes a main body portion, the number of the contact ends is two, the two contact ends are respectively bent and extended from two sides of the front end of the main body portion to the front surface, and the welding end is extended from the rear end of the main body portion.

As a preferred scheme, the welding end includes bending portion, basal portion and two elastic sheet portions, the bending portion bends and extends to the front in the rear end of main part, the basal portion extends backward in the lower extreme level of bending portion, two elastic sheet portions extend to the back in the both sides of basal portion, and the storage tank is enclosed to form by bending portion, basal portion and two elastic sheet portions.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:

the welding end of the product is bent to form an accommodating groove with an opening facing the back for coaxial line placement, so that when the signal terminal is welded with the coaxial line, the soldering tin is in contact with the inner wall of the accommodating groove for fixation, the structure of a product welding line is more stable and reliable, and the condition of poor contact caused by unstable welding is prevented; meanwhile, the solder can be prevented from flowing away from the periphery of the signal terminal, so that the material is saved, and the production cost is reduced; moreover, automatic production can be realized, the difficulty of the production process is reduced, and the reject ratio of products caused by the need of overturning for welding is effectively reduced.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is an assembled perspective view of a preferred embodiment of the present invention;

FIG. 2 is another perspective view of the preferred embodiment of the present invention;

FIG. 3 is a partially exploded view of the preferred embodiment of the present invention;

fig. 4 is another angle partially exploded view of the preferred embodiment of the present invention;

FIG. 5 is a schematic diagram of a signal terminal according to a preferred embodiment of the present invention;

fig. 6 is a schematic view of another angle signal terminal according to the preferred embodiment of the present invention.

The attached drawings indicate the following:

10. insulating body 11, fixed slot

12. Jack 13, insulating apron

20. Signal terminal 201 and accommodating groove

21. Contact terminal 22, solder terminal

221. Bent part 222 and base part

223. Elastic piece part 23 and main body part

30. A grounded housing 40, a coaxial line.

Detailed Description

Referring to fig. 1 to 6, a specific structure of a preferred embodiment of the present invention is shown, which includes an insulating main body 10, a signal terminal 20 and a grounding shell 30.

The back of the insulating main body 10 is concavely provided with a fixing groove 11, and the front of the front end of the insulating main body 10 is provided with a jack 12 communicated with the fixing groove 11. In this embodiment, a bendable insulating cover 13 is integrally extended from the front end edge of the fixing groove 11, the insulating cover 13 is fitted into the fixing groove 11, and the insulating cover 13 is inserted into the fixing groove 11 and covers the signal terminal 20 to fix the signal terminal 20 and isolate the signal terminal 20 from the ground shell 30.

The signal terminal 20 is embedded in the fixing groove 11 for fixing, the front end of the signal terminal 20 is bent towards the front to extend to form a contact end 21, the contact end 21 is located in the insertion hole 12, the rear end of the signal terminal 20 is provided with a welding end 22, and the welding end 22 is bent to form an accommodating groove 201 with an opening facing the back for accommodating the coaxial line 40. In this embodiment, the signal terminal 20 includes a main body 23, two contact ends 21 are respectively bent and extended from two sides of the front end of the main body 23 to the front, and the soldering end 22 is extended from the rear end of the main body 23. The welding end 22 includes a bending portion 221, a base portion 222 and two elastic pieces 223, the bending part 221 is bent and extended from the rear end of the main body part 23 to the front surface, the bending part 221 is beneficial to assembling a product without turning 180 degrees after welding in the post-processing production process, can effectively reduce the defects caused by inaccurate assembly positioning after overturning in the manufacturing process, can effectively improve the poor assembly, reduce the process cost, improve the stability of the radio frequency performance, solve the difference of the radio frequency consistency, the base portion 222 extends backwards from the lower end of the bending portion 221, the two elastic sheet portions 223 extend from the two sides of the base portion 222 to the back, the accommodating groove 201 is formed by the bending portion 221, the base portion 222 and the two elastic sheet portions 223 in a surrounding mode, the two elastic sheet portions 223 can effectively prevent poor tin climbing in the product welding process, poor short circuit conditions occur, poor production is reduced, and the stability of the manufacturing process is improved.

The grounding shell 30 is covered outside the insulating main body 10, and the insertion hole 12 is exposed out of the grounding shell 30.

Detailed description the assembly method of this embodiment is as follows:

first, the insulating main body 10 is fitted into the ground housing 30 by robot assembly; then, welding is carried out through an automatic machine process, so that the coaxial line 40 is welded and fixed in the accommodating groove 201 of the signal terminal 20; then, the welded signal terminal 20 and the coaxial line 40 are installed in the fixing groove 11 to be fixed, and the contact end 21 is located in the jack 12; finally, the insulating cover 13 is inserted into the fixing groove 11 and covers the signal terminal 20, and the grounding shell 30 is bent and then fixed to the insulating body 10 by riveting, thereby completing the assembly.

The utility model discloses a design focus lies in:

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. An RF radio frequency coaxial connector, comprising: the grounding device comprises an insulating main body, a signal terminal and a grounding shell; the back surface of the insulating main body is concavely provided with a fixed groove, and the front surface of the front end of the insulating main body is provided with an insertion hole communicated with the fixed groove; the signal terminal is embedded in the fixed groove and fixed, the front end of the signal terminal is bent towards the front to extend to form a contact end, the contact end is positioned in the jack, the rear end of the signal terminal is provided with a welding end, and the welding end is bent to form an accommodating groove with an opening facing the back for coaxial line placement; the grounding shell is wrapped outside the insulating main body, and the jack is exposed out of the grounding shell.

2. The RF radio frequency coaxial connector of claim 1, wherein: the edge of the front end of the fixing groove integrally extends to form a bendable insulating cover plate, the insulating cover plate is matched with the fixing groove, and the insulating cover plate is embedded into the fixing groove and covers the signal terminal.

3. The RF radio frequency coaxial connector of claim 1, wherein: the signal terminal comprises a main body part, the number of the contact ends is two, the two contact ends are respectively bent and extended from two sides of the front end of the main body part to the front side, and the welding end is extended from the rear end of the main body part.

4. The RF radio frequency coaxial connector of claim 3, wherein: the welding end is including bending portion, basal portion and two elastic sheet portions, the portion of bending extends to the front in the rear end of main part, the basal portion extends backward in the lower extreme level of the portion of bending, two elastic sheet portions extend to the back in the both sides of basal portion, and the storage tank encloses the configuration by bending portion, basal portion and two elastic sheet portions and becomes.