CN217468893U

CN217468893U - Radio frequency connector

Info

Publication number: CN217468893U
Application number: CN202221482623.3U
Authority: CN
Inventors: 曹汉祥
Original assignee: Nantong Mengcheng Electronics Co ltd
Current assignee: Nantong Mengcheng Electronics Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-09-20
Anticipated expiration: 2032-06-14

Abstract

The utility model provides a radio frequency connector, which comprises a cable, a shielding shell, a pressing seat and an electrode; the pressing seat is fixed in the shielding shell, a first cavity and a second cavity which are communicated are arranged in the pressing seat, an opening section I is arranged on the front side of the first cavity, an opening section II is arranged at the top of the second cavity, and a cable core of the cable is inserted into the pressing seat through the opening section I and is clamped by the electrode; the electrode comprises a clamping seat and clamping wings which are integrally formed, the clamping seat is a folded metal elastic sheet, the clamping seat is positioned in the first cavity and clamps the cable core, and the clamping wings are bent upwards into the second cavity from the left side and the right side of the clamping seat. The utility model discloses assembly efficiency is high, connects reliably.

Description

Radio frequency connector

Technical Field

The utility model belongs to the technical field of the connector, concretely relates to radio frequency connector.

Background

Rf connectors are used in a wide variety of industrial applications, and are commonly used in the automotive, robotic, military, welding industries and other devices requiring interconnection. The mechanical performance of the radio frequency connector mainly considers the cable retention, contact tightness and durability, namely, the cable core is reliably connected with the connector and does not generate displacement in the axial direction and the radial direction; meanwhile, the assembly convenience and the assembly efficiency are also required to be considered, and the nut needs to be continuously screwed in a nut connection mode, so that the assembly efficiency is low. For connectors that require a change in the direction of the outgoing line, the number of parts and assembly is more complicated.

For example, patent publication No. CN212751236U discloses a side outlet connector head, a connector holder, and a connector, the side outlet connector head including: the wire-outgoing terminal, the switching part and the plug-in end used for being plugged with the connector base, a preset number of first contact pins are arranged in the plug-in end, the switching part is rotatably connected with the plug-in end, the wire-outgoing terminal is fixedly connected with the switching part, and the arrangement direction of the first contact pins and the wire-outgoing direction of the wire-outgoing terminal mutually form a preset angle. The side outgoing line connector provided by the application inputs signals from the plug terminal and outputs signals from the outgoing line terminal. The connector is complex in assembly process, adopts more fasteners such as screws, connecting rings and the like, and is low in assembly efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a radio frequency connector to the assembly part of solving variable angle connector is many, the complicated problem of assembly process.

A radio frequency connector comprises a cable, a shielding shell, a pressing seat and an electrode;

the pressing seat is fixed in the shielding shell, a first cavity and a second cavity which are communicated are arranged in the pressing seat, an opening section I is arranged on the front side of the first cavity, an opening section II is arranged at the top of the second cavity, and a cable core of the cable is inserted into the pressing seat through the opening section I and is clamped by the electrode;

the electrode comprises a clamping seat and clamping wings which are integrally formed, the clamping seat is a folded metal elastic sheet, the clamping seat is positioned in the first cavity and clamps the cable core, and the clamping wings are bent upwards into the second cavity from the left side and the right side of the clamping seat.

Preferably, a limiting section is arranged on the rear side of the cavity of the pressing seat, and the tail of the clamping seat is positioned in the limiting section.

Preferably, the front end of the clamping seat is provided with an upper free end and a lower free end, and a gap for clamping the cable core is arranged between the two free ends.

Preferably, the free end at the lower part is bent downwards to form an arch shape to tightly abut against the pressing seat.

Preferably, the bottom of the pressing seat is provided with a tongue piece, the root of the tongue piece is positioned at the rear side of the pressing seat, the front end of the tongue piece can move up and down, and the free end of the clamping seat is abutted against the tongue piece.

Preferably, the bottom of the shielding shell is provided with a support bottom, and the tongue piece is tightly attached to the upper side of the support bottom.

Preferably, the top of the clamping seat is provided with an avoiding hole, and the end part of the cable core extends into the avoiding hole when being extruded and deformed.

Further, the shielding shell comprises a seat cylinder for fixing the pressing seat; the seat barrel is cylindrical, clamping holes are formed in the front side, the left side and the right side of the seat barrel, limiting bulges in one-to-one correspondence with the clamping holes are arranged on the pressing seat respectively, and the limiting bulges are inserted into the clamping holes.

Preferably, the front side of the side wall of the seat barrel is provided with a slot, and when the limiting protrusion is pressed into the clamping hole, the slot deforms and opens.

Furthermore, the front end of the shielding shell is provided with a first clamping wire part and a second clamping wire part, the tops of the first clamping wire part and the second clamping wire part are both provided with openings, the first clamping wire part clamps the shell of the cable, and the second clamping wire part clamps the insulating layer of the cable.

The beneficial effects of the utility model are that:

the utility model is provided with a first cavity and a second cavity which are communicated with each other in the pressure seat, the first cavity is used for positioning the clamping seat of the electrode, the second cavity is used for positioning the clamping wing of the electrode, and meanwhile, the front side of the first cavity is provided with a first opening section, so that the cable core passes through the first opening section and is inserted into the clamping seat and is clamped by the clamping seat; the electrode is clamped with the other paired electrode through the second opening section, so that the electric connection between cables is realized, meanwhile, the clamping fin can be reliably clamped with the paired electrode by utilizing the limiting effect of the cavity on the clamping fin of the electrode, the reliable connection of the connector can be realized without installing redundant fasteners, and the assembly procedures are reduced.

The pressing seat is fixed in the shielding shell, on one hand, the pressing seat plays a role in fixing the electrode, and on the other hand, the pressing seat is mutually matched with the electrode and the shielding shell to firmly clamp the cable core in the pressing seat, so that reliable electrical connection between the cable core and the electrode is realized.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the internal assembly structure of the present invention;

fig. 3 and 4 are schematic perspective views of the pressing base of the present invention;

fig. 5 is a schematic front view of the present invention;

FIG. 6 is a schematic cross-sectional view taken at A-A in FIG. 5;

fig. 7 is a schematic view of the electrode structure of the present invention.

Labeled as: 1. a cable; 2. a shield case; 3. pressing a base; 4. an electrode; 5. a seat cylinder; 6. supporting the bottom; 7. a first cavity; 8. a second cavity; 9. an opening section I; 10. opening section two; 11. a holder; 12. clamping the fins; 13. A limiting section; 14. a free end; 15. a tongue piece; 16. avoiding holes; 17. a clamping hole; 18. a limiting bulge; 19. Slotting; 20. a first wire clamping part; 21. a second wire clamping part; 22. a cable core; 23. and (4) a notch.

Detailed Description

As shown in fig. 1 to 7, a radio frequency connector includes a cable 1, a shield case 2, a pressure base 3, and an electrode 4.

The shielding shell 2 comprises a cylindrical seat barrel 5, the bottom of the seat barrel 5 is provided with a support bottom 6, and the pressing seat 3 is fixed in the seat barrel 5, clings to the support bottom 6 and is supported by the support bottom 6.

Referring to fig. 2 and 6, a first cavity 7 and a second cavity 8 are arranged in the pressing base 3 and communicated with each other, and the electrode 4 is arranged in the first cavity 7 and the second cavity 8. The front side of the first cavity 7 is provided with a first opening section 9, the top of the second cavity 8 is provided with a second opening section 10, and the cable core 22 of the cable 1 is inserted into the pressing seat 3 through the first opening section 9 and is clamped by the electrode 4, so that the fixation of the cable core 22 and the electrical connection between the cable core 22 and the electrode 4 are realized.

Specifically, referring to fig. 2 and 7, the electrode 4 includes a holder 11 and a clamping fin 12 that are integrally formed, the holder 11 is a metal elastic sheet with a folded shape, and the holder 11 is located in the first cavity 7 and clamps the cable core 22. The clamping fins 12 are bent upwards from the left side and the right side of the clamping seat 11 to enter the cavity II 8, are positioned by the cavity II 8 and are reliably clamped with the other counter electrode 4.

The rear side of the first cavity 7 of the pressing seat 3 is provided with a limiting section 13, and the tail part of the clamping seat 11 is positioned in the limiting section 13. The front end of the clamping seat 11 is provided with two free ends 14 for clamping, the two free ends 14 are arranged along the up-down direction, and a gap for clamping the cable core 22 is arranged between the two free ends 14. Wherein the lower free end 14 is bent downwards into an arch shape and is pressed against the pressing base 3, so that the cable core 22 is clamped under the reaction force of the pressing base 3.

Referring to fig. 3, in order to install the electrode 4 in the pressing base 3, a tongue piece 15 is formed at the bottom of the pressing base 3, the root of the tongue piece 15 is located at the rear side of the pressing base 3, the front end of the tongue piece 15 can be bent downward, so as to form a larger opening, the electrode 4 is plugged into the first cavity 7 and the second cavity 8 through the opening, after the installation is completed, the tongue piece 15 automatically resets to a horizontal state by its own elasticity, clings to the bottom support 6 of the shielding shell 2, and at this time, the free end 14 of the clamping base 11 located below abuts against the tongue piece 15.

The top of holder 11 is equipped with dodge hole 16, and the tip of cable core 22 is stretched into dodge hole 16 when being extruded upwards and warp, avoids the tip of cable core 22 extrusion holder 11 and makes its deformation or fracture.

Referring to fig. 1, the front side, the left side and the right side of the seat cylinder 5 are respectively provided with a locking hole 17, the pressing seat 3 is respectively provided with a limiting protrusion 18 corresponding to the locking holes 17 one by one, and the limiting protrusions 18 are inserted into the locking holes 17, so that the pressing seat 3 is fixed in the seat cylinder 5 of the shielding shell 2. Wherein an opening section I9 of the cavity I7 is arranged in the limiting bulge 18 positioned at the front side of the pressing seat 3, so that the cable core 22 is inserted into the pressing seat 3 from the direction.

In order to rapidly assemble the pressing seat 3 and the cable 1 in the seat barrel 5, the front side of the side wall of the seat barrel 5 is provided with a slit 19, when the pressing seat 3 is assembled, the slit 19 can be slightly broken, the slit 19 is deformed and opened, then the limiting protrusion 18 is pressed into the clamping hole 17, and the cable 1 is pressed into the shielding shell 2 through the slit 19. The left side and the right side of the side wall of the seat barrel 5 are respectively provided with a notch 23, so that the other two limiting protrusions 18 of the pressing seat 3 can be smoothly pressed into the clamping holes 17.

The front end of the shielding shell 2 is provided with a first clamping line part 20 and a second clamping line part 21, the tops of the first clamping line part 20 and the second clamping line part 21 are both open, and the cable 1 is installed into the first clamping line part 20 and the second clamping line part 21 through the openings. The first wire clamping part 20 clamps the shell of the cable 1, and the second wire clamping part 21 clamps the insulating layer of the cable 1.

The installation method of the connector comprises the following steps:

downward breaking the tongue piece 15 of the pressing seat 3, plugging the clamping fin 12 of the electrode 4 into the first cavity 7, plugging the clamping seat 11 into the second cavity 8, then loosening the tongue piece 15, automatically restoring the tongue piece 15, and finishing the installation of the electrode 4 in the pressing seat 3;

inserting the cable core 22 of the cable 1 into the first cavity 7 from the first opening section 9 on the front side of the pressing seat 3, extruding the cable core into the space between the upper free end 14 and the lower free end 14 of the clamping seat 11, and pre-clamping the cable core by the clamping seat 11;

slightly opening a slit 19 of the seat barrel 5 to open the slit, pressing the pressing seat 3 into the seat barrel 5, clamping a limiting bulge 18 of the pressing seat 3 into a clamping hole 17 of the seat barrel 5, enabling the tongue piece 15 to be tightly attached to the support bottom 6 of the shielding shell 2, enabling the tongue piece 15 to be reliably supported by the support bottom 6 at the moment, enabling the clamping seat 11 to reliably clamp the cable core 22, avoiding the cable core 22 from falling off, simultaneously pressing the cable core 22 into the shielding shell 2 after passing through the slit 19, and completing the installation of the pressing seat 3 in the seat barrel 5;

and pressing the first clamping wire part 20 and the second clamping wire part 21 to clamp the shell and the insulating layer of the cable 1 respectively to finish the installation of the connector.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A radio frequency connector is characterized by comprising a cable, a shielding shell, a pressing seat and an electrode;

the electrode comprises a clamping seat and clamping wings which are integrally formed, the clamping seat is a folded metal elastic sheet, the clamping seat is positioned in the first cavity and clamps the cable core, and the clamping wings are bent upwards from the left side and the right side of the clamping seat into the second cavity and are electrically connected with the counter electrode.

2. The rf connector of claim 1, wherein a rear side of the cavity of the pressing base is provided with a limiting section, and the tail of the clamping base is positioned in the limiting section.

3. The radio frequency connector according to claim 1, wherein the front end of the clamping base is provided with an upper free end and a lower free end, and a gap for clamping the cable core is arranged between the two free ends.

4. The RF connector of claim 3, wherein the lower free end is bent downwardly into an arch shape to abut against the pressing base.

5. The RF connector according to claim 4, wherein a tongue is disposed at the bottom of the pressing base, the root of the tongue is located at the rear side of the pressing base, the front end of the tongue can move up and down, and the free end of the clamping base abuts against the tongue.

6. The RF connector of claim 5, wherein the bottom of the shielding shell is provided with a support base, and the tongue piece is tightly attached to the upper side of the support base.

7. The radio frequency connector according to claim 1, wherein an avoiding hole is formed in the top of the clamping seat, and the end portion of the cable core extends into the avoiding hole when being extruded and deformed.

8. The radio frequency connector according to any one of claims 1 to 7, wherein the shield case includes a seat cylinder for fixing a press seat; the seat barrel is cylindrical, clamping holes are formed in the front side, the left side and the right side of the seat barrel, limiting protrusions which correspond to the clamping holes one to one are arranged on the pressing seat respectively, and the limiting protrusions are inserted into the clamping holes.

9. The radio frequency connector according to claim 8, wherein a slit is formed in a front side of a side wall of the socket barrel, and the slit is deformed and opened when the stopper protrusion is pressed into the latching hole.

10. The radio frequency connector according to claim 8, wherein the front end of the shielding shell is provided with a first clamping wire portion and a second clamping wire portion, the tops of the first clamping wire portion and the second clamping wire portion are both open, the first clamping wire portion clamps the outer shell of the cable, and the second clamping wire portion clamps the insulating layer of the cable.