CN212085375U

CN212085375U - Inner conductor of radio frequency connector

Info

Publication number: CN212085375U
Application number: CN202021176918.9U
Authority: CN
Inventors: 刘庆宇
Original assignee: Jiangsu Hefei Aerospace Electronics Co ltd
Current assignee: Jiangsu Hefei Aerospace Electronics Co ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2020-12-04
Anticipated expiration: 2030-06-22

Abstract

The utility model relates to a radio frequency coaxial connector field discloses a radio frequency connector inner conductor, including main part, center needle and spring, the main part is cylinder and front end and is provided with the socket, the rear end of main part is spherical closed surface, center needle is cylindrically and is equipped with ring groove at its rear end, the spring sets up inside the main part, the ring groove part of center needle rear end sets up in the main part, evenly be provided with inward a plurality of inside callipers shell fragment and a plurality of interior boss in the main part, inside callipers shell fragment card is established in ring groove, the spring sets up between main part inside center needle rear end and interior boss, the rear end diameter of center needle is greater than the internal diameter of spring, the diameter of the circle of a plurality of interior bosses interior survey formation is less than the external diameter of spring, the main part is the shaping of stamping process. Reasonable structure, high punch forming efficiency and low price.

Description

Inner conductor of radio frequency connector

Technical Field

The utility model relates to a radio frequency coaxial connector, in particular to radio frequency connector inner conductor.

Background

The method of machining the various components during manufacture determines the mechanical and electrical properties of the rf connector. The mechanical properties are taken into account as well as the number and scale of the production. It is important to investigate the reason why a particular property is not desirable, and this analysis helps to avoid the occurrence of the next error. On the other hand, the smaller the rf connector, the more difficult it is to manufacture, the higher the manufacturing cost, and the worse the accuracy and tolerances. There is an increasing demand for small, excellent, inexpensive electronic components for future industrial applications. The actual electrical performance depends on the performance of the cable, the contacts of the cable, the geometry of the connector, the contacts of the inner conductors, etc. The radio frequency connector inner conductor generally comprises a main body, a central needle and a spring, wherein the central needle and the spring are arranged in the main body, the main body of the existing radio frequency connector inner conductor is generally made of sectional materials, the production efficiency is not high, and particularly when a complex structure is made, the price is higher. Original section bar structure product, the bottom needs another piece of turning of crimping, and overall cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a radio frequency connector inner conductor.

The utility model provides a technical scheme that its technical problem adopted is: the inner conductor of the radio frequency connector comprises a main body, a central needle and a spring, wherein the main body is cylindrical, a socket is arranged at the front end of the main body, the rear end of the main body is a spherical closed surface, the central needle is cylindrical, an annular clamping groove is formed in the rear end of the central needle, the spring is arranged inside the main body, the annular clamping groove in the rear end of the central needle is partially arranged in the main body, a plurality of inward inner clamping elastic pieces and a plurality of inner bosses are uniformly arranged on the main body, the inner clamping elastic pieces are clamped in the annular clamping groove, the spring is arranged between the rear end of the central needle and the inner bosses in the main body, the diameter of the rear end of the central needle is larger than the inner diameter of the spring, the diameter of a circle formed by inner sides of the inner bosses is smaller than the outer diameter of the spring, and. Reasonable structure, high punch forming efficiency and low price.

Further, the method comprises the following steps: the lower part of the main body is provided with a pressing salient point protruding outwards. The main part and the plastic fittings for fixing the inner conductor of the radio frequency connector are firmly extruded and are not easy to fall off.

Further, the method comprises the following steps: the body includes a cylindrical body and a spherical closing head connected. Simple structure and high production efficiency.

Further, the method comprises the following steps: the inner clip spring and the cylindrical main body are of an integrated structure. High production efficiency and low cost.

Further, the method comprises the following steps: the inner boss is a boss formed from an inwardly facing metal sheet integrally formed with the cylindrical body. High production efficiency and low cost.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view of the body;

fig. 3 is a schematic sectional view of an inner boss portion.

Labeled as: the structure comprises a main body 100, a socket 101, a compression convex point 102, a cylindrical main body 103, a spherical closing head 104, an inner clip sheet 110, an inner boss 120 and a center pin 200.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

As shown in fig. 1 and 2, the inner conductor of the radio frequency connector includes a main body 100, a center pin 200 and a spring, wherein the main body 100 is cylindrical, a socket 101 is arranged at a front end of the main body 100, a rear end of the main body 100 is a spherical closed surface, the center pin 200 is cylindrical, a circular clamping groove is arranged at a rear end of the center pin 200, the spring is arranged inside the main body 100, the circular clamping groove at the rear end of the center pin 200 is partially arranged inside the main body 100, a plurality of inward inner clamping spring pieces 110 and a plurality of inner bosses 120 are uniformly arranged on the main body 100, the inner clamping spring pieces 110 are clamped inside the circular clamping groove, the spring is arranged between the rear end of the center pin 200 and the inner bosses 120 inside the main body 100, a diameter of the rear end of the center pin 200 is larger than an inner diameter of the spring, a diameter of a circle formed inside the plurality of the inner bosses 120 is smaller than an outer diameter of the. The socket 101 at the front end of the main body 100 is formed by a horn-shaped split arc-shaped flaps, so that the fittings can be conveniently installed in the main body 100; the seam of main part 100 can leave the opening after the stamping process, and is incompletely closed, conveniently installs the spring between inside callipers shell fragment 110 and the interior boss 120 in main part 100, installs spring and center needle 200 after accomplishing again with radio frequency connector inner conductor equipment inside the plastic casing, main part 100 receives the extrusion of plastic casing to make the opening that main part 100 left closed, rational in infrastructure, stamping forming is efficient, and the price is low.

On the basis of the above, as shown in fig. 1 and 2, the lower portion of the main body 100 is provided with a protruding pressing bump 102. The main body 100 and the plastic fitting for fixing the inner conductor of the radio frequency connector can be firmly extruded and are not easy to fall off.

On the basis of the above, as shown in fig. 1 and 2, the body 100 comprises a cylindrical body 103 and a spherical closing head 104 connected. In the specific implementation, the spherical closed head 104 is formed by splicing and extruding three metal pieces, and the spherical closed head 104 can be formed by splicing and extruding a plurality of metal pieces; the ball-shaped closing head 104 may also be a tin ball, and when the ball-shaped closing head 104 is a tin ball, it is directly welded to the rear end of the main body 100. Simple structure and high production efficiency.

In addition, as shown in fig. 1 and 2, the inner snap spring 110 and the secondary cylindrical body 103 are integrated. The inner clip spring 110 can be a pre-punched spring, or can be formed by riveting outside after assembly, and has high production efficiency and low cost.

On the basis of the above, as shown in fig. 2 and 3, the inner boss 120 is a boss formed from an inward metal piece integrated with the cylindrical body 103. The inner boss 120 may be a boss formed by inward stamping and bending, or may be a boss formed by inward riveting. High production efficiency and low cost.

Claims

1. The utility model provides a radio frequency connector inner conductor, includes main part (100), center needle (200) and spring, main part (100) are cylinder and front end and are provided with socket (101), the rear end of main part (100) is spherical closed surface, center needle (200) are cylindrical and are equipped with ring groove at its rear end, the spring sets up inside main part (100), the ring groove part setting of center needle (200) rear end is in main part (100), its characterized in that: the novel spring clamp is characterized in that a plurality of inward inner clamping spring pieces (110) and a plurality of inward inner bosses (120) are uniformly arranged on the main body (100), the inner clamping spring pieces (110) are clamped in the annular clamping groove, the spring is arranged between the rear end of a center needle (200) in the main body (100) and the inner bosses (120), the diameter of the rear end of the center needle (200) is larger than the inner diameter of the spring, the diameter of a circle formed by inner sides of the inner bosses (120) is smaller than the outer diameter of the spring, and the main body (100) is formed by a stamping process.

2. The radio frequency connector inner conductor of claim 1, wherein: the lower part of the main body (100) is provided with a pressing salient point (102) protruding outwards.

3. The radio frequency connector inner conductor of claim 1, wherein: the body (100) comprises a cylindrical body (103) and a spherical closing head (104) connected.

4. The radio frequency connector inner conductor of claim 1, wherein: the inner clip spring sheet (110) and the cylindrical main body (103) are of an integral structure.

5. The radio frequency connector inner conductor of claim 1, wherein: the inner boss (120) is a boss formed from an inwardly facing metal sheet integrally formed on the cylindrical body (103).