CN218788557U

CN218788557U - RF connector having multi-contact terminal structure and RF connector cable assembly

Info

Publication number: CN218788557U
Application number: CN202222696374.4U
Authority: CN
Inventors: 王潇霄; 梁铭燚; 段国强; 王宁; 张国华
Original assignee: Kexincheng Precision Technology Jiangsu Co ltd
Current assignee: Kexincheng Precision Technology Jiangsu Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-04-04
Anticipated expiration: 2032-10-13

Abstract

The utility model discloses a RF connector with multiple spot contact terminal structure, it includes central terminal, insulating core and shell, central terminal holding is located insulating core, and insulating core holding is located the shell, wherein: the central terminal comprises a plate-shaped body, the plate-shaped body is provided with a protruding structure, the side part of the plate-shaped body is provided with a butting part extending downwards and an elastic connecting end bending upwards and extending towards the side, and the protruding direction of the protruding structure is the same as the bending direction of the elastic connecting end; when the coaxial cable is connected, the elastic connecting end and the protruding structure are respectively contacted with the core wire conductor of the coaxial cable along the extending direction of the coaxial cable, so that the electrical connection between the central terminal and the coaxial cable is realized. The utility model discloses a setting of protruding structure for the contact area of heart yearn conductor and central terminal becomes the multizone contact by single region, thereby makes heart yearn conductor and central terminal can fully contact, optimizes the stability of product, improves production yield and efficiency simultaneously.

Description

RF connector having multi-contact terminal structure and RF connector cable assembly

Technical Field

The utility model belongs to the technical field of the RF connector, concretely relates to RF connector and RF connector cable subassembly with multiple spot contact terminal structure.

Background

The RF (Radio Frequency) connector is a separable element with the working Frequency in the Mhz Frequency band for the electric connection of a transmission line system, and has the characteristics of small volume, high Frequency, multiple functions, low standing wave, low loss and high power.

A typical rf connector includes an insulative body, signal terminals, and a shield housing. During the equipment, if through welding mode with coaxial cable welded fastening on signal terminal, because of the smooth and flat and smooth and coaxial cable's of signal terminal welding end core conductor is comparatively tiny, the easy emergence leads to the condition of contact failure because of the welding unstability. If the two terminals are electrically connected by lapping, the contact area between the signal terminal and the core conductor is less or not contacted, which may affect the signal transmission quality. Therefore, improvements are needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a RF connector and RF connector cable subassembly with multiple spot contact terminal structure to solve behind the signal terminal overlap joint heart yearn conductor because of the contact zone less or the contact can't lead to this technical problem of the unable reliable electric connection in both.

In order to achieve the above object, the utility model provides a following technical scheme: an RF connector having a multi-contact terminal structure comprising a center terminal, an insulating core and a housing, the center terminal being received and positioned within the insulating core, the insulating core being received and positioned within the housing, wherein:

the central terminal comprises a plate-shaped body, the plate-shaped body is provided with a protruding structure, the side part of the plate-shaped body is provided with a butting part extending downwards and an elastic connecting end bending upwards and extending towards the side, and the protruding direction of the protruding structure is the same as the bending direction of the elastic connecting end;

when the coaxial cable is connected, the elastic connecting end and the protruding structure are respectively contacted with the core wire conductor of the coaxial cable along the extension direction of the coaxial cable, so that the electrical connection between the central terminal and the coaxial cable is realized.

Optionally, a see-through hole is formed in the middle of the plate-shaped body of the central terminal, and the see-through hole can be used for observing the connection state of the core wires.

Optionally, the protrusion structure of the central terminal is disposed at the hole edge of the see-through hole. The form of the protruding structure may be various, such as a convex hull, etc.

Optionally, the protruding structure is connected in the axial symmetry petal form flanging structure at the hole edge of perspective hole, just flanging in the flanging structure is two at least, makes the contact area of heart yearn conductor and central terminal become the multizone contact by single region through increasing turn-ups quantity to make heart yearn conductor and central terminal can fully contact.

Optionally, the flanging structure includes at least one pair of flanges that are centrosymmetric, and the at least one pair of flanges is located below the extension direction of the coaxial cable core conductor, so as to facilitate connection of the coaxial cable core conductor.

Optionally, one opposite side of the central terminal plate-shaped body extends downwards to form two symmetrical butting parts, and one side part of the other opposite side is provided with the elastic connecting end;

the center terminal is positioned within the insulating core by another side portion opposite the elastic connection end.

Optionally, an accommodating groove for accommodating the positioning center terminal is formed in the insulating core, and an inlet wire positioning opening for a coaxial cable to pass through is formed in one side of an upper end opening of the accommodating groove; the width and the height of the wire inlet positioning port are adapted to the diameter of the part of the coaxial cable accommodated in the wire inlet positioning port, so that the position of the coaxial cable is limited when the coaxial cable is led in through the wire inlet positioning port.

Optionally, an insulating cover plate is movably connected to the upper end of the insulating core, and when the insulating core is connected to the coaxial cable, the insulating cover plate can cover and press-contact the top of the coaxial cable conductor, so that the coaxial cable conductor is in close contact with the elastic connection end and the protrusion structure of the central terminal respectively.

Optionally, the outer shell includes a mounting seat for accommodating the insulating core, the mounting seat includes a ring shell surrounding the periphery of the insulating core, an opening is arranged on one side of the ring shell facing the coaxial cable introduction direction, and two sides of the opening are respectively connected with an elastic latch for clamping the coaxial cable, so as to fix the coaxial cable.

In another aspect, the present invention further provides an RF connector cable assembly including the RF connector having the multi-contact terminal structure, and a coaxial cable electrically connected to the RF connector.

Has the beneficial effects that:

the utility model discloses a RF connector is through setting up protruding structure on central terminal for coaxial line cable conductor when being connected with elastic connection end, can with the plate body between realize the multiple spot contact, enlarge contact area between them, thereby make core conductor and central terminal can fully contact, promote the reliability that the product electricity is connected, simultaneously, improve production yield and efficiency.

Drawings

FIG. 1 shows an exploded view of a product according to an embodiment of the present invention;

FIG. 2 is a schematic view of the insulating core structure of the embodiment of FIG. 1;

FIG. 3 is a schematic top view of the housing of the embodiment of FIG. 1;

FIG. 4 is a schematic view of an assembled structure of the embodiment shown in FIG. 1;

FIG. 5 is a cross-sectional view of the embodiment of FIG. 1 shown connected to a coaxial cable;

FIG. 6 is an enlarged schematic view at A of FIG. 5;

fig. 7 is a schematic view of the protrusion structure on the center terminal according to the present invention.

In fig. 1 to 7: 1-a central terminal, 10-a plate-shaped body, 11-a butt joint part, 12-a side part, 2-an insulating core body, 20-an accommodating groove, 21-an inlet wire positioning opening, 22-an insulating cover plate, 3-an outer shell, 30-a mounting seat, 31-a ring shell, 32-an elastic clamping tongue, 33-an opening, 4-an elastic connecting end, 5-a perspective hole, 6-a flanging structure, 7-a coaxial cable and 8-a core wire conductor.

Detailed description of the preferred embodiments

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Referring to fig. 1 to 7, the utility model discloses RF connector with multiple spot contact terminal structure, including central terminal, insulating core and shell, the central terminal holding is located insulating core, and insulating core holding is located the shell, wherein:

when the coaxial cable is connected, the elastic connecting end and the protruding structure are respectively contacted with the core wire conductor of the coaxial cable along the extension direction of the coaxial cable so as to realize the electrical connection between the central terminal and the coaxial cable.

The main technical concept of the technical scheme is as follows: the contact area of the central terminal and the coaxial cable is increased by arranging the protruding structure, and the reliability of the electric connection between the central terminal and the coaxial cable is improved. In one embodiment, referring to fig. 1 and 4, an RF connector includes a center terminal 1, an insulating core 2, and a shell 3, the center terminal 1 being received and positioned within the insulating core 2, and the insulating core 2 being received and positioned within the shell 3.

The center terminal 1 includes a plate-like body 10 having a protrusion structure, and a side portion thereof having a butting portion 11 extending downward and an elastic connection end 4 bent upward and extending laterally. The protruding direction of the protruding structure may be the same as the bending direction of the elastic connection end 4.

Referring to fig. 1, 4, 6 and 7, in the present embodiment, a see-through hole 5 is provided in the middle of the plate-like body 10 for observing the core wire connection state. The protruding structure is a flanging structure connected to the hole edge of the perspective hole 5.

Referring to fig. 7, the flanging structure is an axisymmetric petal-shaped flanging structure, and at least two flanging structures are provided in the flanging structure. Preferably, the flanging structure includes at least one pair of flanges with central symmetry, and the at least one pair of flanges are located below the extension direction of the coaxial cable conductor 8, so as to better ensure effective electrical connection between the coaxial cable conductor and the protruding structure.

Referring to fig. 5 and 6, when the connector is connected to the coaxial cable 7, the elastic connection end 4 of the center terminal 1 elastically overlaps the coaxial cable conductor 8 upward, and the lower surface of the end of the coaxial cable conductor 8 abuts against the plurality of flanges of the flange structure 6. Through setting up flange structure 6 at the hole edge of perspective hole 5 for the contact zone of heart yearn conductor 8 and central terminal 1 becomes the multizone contact by single region, thereby makes heart yearn conductor 8 and central terminal 1 can the abundant contact, optimizes the stability of product.

Referring to fig. 1, one opposite side of a central terminal plate-shaped body 10 is extended downward to provide two butting portions 11 symmetrical to each other, and one side of the other opposite side is provided with an elastic connection end 4. The insulating core 2 is provided with a receiving groove 20 for receiving and positioning the center terminal 1, the center terminal 1 is installed in the receiving groove 20, and the opposite sides 12 of the elastic connection end 4 are clamped and fixed in the insulating core 2, as shown in fig. 6.

Referring to fig. 2 and 4, an inlet positioning opening 21 for the coaxial cable 7 to pass through is provided at one side of the upper opening of the accommodating slot 20 in the insulating core, and the width and height of the inlet positioning opening 21 are adapted to the diameter of the part of the coaxial cable 7 accommodated in the inlet positioning opening 21. When using, inlet wire location mouth 21 can realize spacing to a certain extent to the coaxial cable 7 of access to further ensure heart yearn conductor 8 and elastic connection end 4 and flanging structure 6's effective contact in the connector.

Referring to fig. 1, 2 and 4, an insulating cover plate 22 is movably connected to the upper end of the insulating core 2; under the state that the elastic connecting end 4 and the flanging structure are connected with the coaxial cable conductor 8, the insulating cover plate 22 can cover and be pressed on the top of the coaxial cable conductor 8, and the stability of the effective connection and connection mechanism of the coaxial cable conductor 8 and the central terminal 1 is further guaranteed.

Referring to fig. 3 and 4, the housing 3 includes a mounting seat 30 for accommodating the insulating core 2, the mounting seat 30 includes a ring shell 31 surrounding the insulating core 2, an opening 33 is disposed on one side of the ring shell 31 facing the introducing direction of the coaxial cable 7, and two sides of the opening 33 are respectively connected to an elastic latch 32 for clamping the coaxial cable 7. After the coaxial cable is connected with the center terminal, the outer surface of the coaxial cable can be clamped by the elastic clamping tongue 32 to further position the coaxial cable.

In the RF connector having the multi-contact terminal structure of the present embodiment, the insulating core 2 and the housing 3 may be separately assembled at the time of application. To coaxial cable 7 and central terminal 1, connect central terminal 1 to storage tank 20 in the insulating core 2 with joint earlier, again with the coaxial cable 7's of access heart yearn conductor 8 overlap joint central terminal 1, make 8 tip lower surfaces of heart yearn conductor overlap joint with elastic connection end 4 and protruding structure mutually in proper order, buckle shell 3 at last and drive the insulating cover plate 22 on the insulating core 2 cover and the crimping in the 8 tops of coaxial cable heart yearn conductor, make coaxial cable heart yearn conductor 8 and central terminal 1's elastic connection end 4 and protruding structure be close contact respectively, then the riveting is fixed, the equipment is accomplished, can make full contact between the heart yearn conductor 8 of installation completion and the central terminal 1 of connector promptly, and connection stability obtains effective guarantee.

Example 2

This embodiment describes an RF connector cable assembly including the RF connector having the multi-contact terminal structure described in embodiment 1, and a coaxial cable electrically connected to the RF connector. The structure and connection between the two are as described in example 1.

The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, and all of them fall within the protection scope of the present invention.

Claims

1. An RF connector with a multi-point contact terminal structure comprises a central terminal (1), an insulating core (2) and a shell (3), wherein the central terminal (1) is accommodated and positioned in the insulating core (2), and the insulating core (2) is accommodated and positioned in the shell (3); the method is characterized in that:

the central terminal (1) comprises a plate-shaped body (10), the plate-shaped body (10) is provided with a protruding structure, the side part of the plate-shaped body is provided with a butting part (11) extending downwards and an elastic connecting end (4) bending upwards and extending towards the side, and the protruding direction of the protruding structure is the same as the bending direction of the elastic connecting end (4);

when the coaxial cable (7) is connected, the elastic connecting end (4) and the protruding structure are respectively contacted with a core wire conductor (8) of the coaxial cable (7) along the extending direction of the coaxial cable (7) to realize the electrical connection of the central terminal (1) and the coaxial cable (7).

2. The RF connector having a multi-contact terminal structure according to claim 1, wherein: the middle part of the plate-shaped body (10) of the central terminal (1) is provided with a perspective hole (5).

3. The RF connector having a multi-contact terminal structure according to claim 2, wherein: the protruding structure of the central terminal (1) is arranged on the edge of the perspective hole (5).

4. The RF connector having a multi-contact terminal structure according to claim 3, wherein: the protruding structures are axisymmetric petal-shaped flanging structures (6) connected to the hole edge of the perspective hole (5), and at least two flanging structures in the flanging structures (6) are provided.

5. The RF connector with a multi-contact terminal structure of claim 4, wherein: the flanging structure (6) comprises at least one pair of flanges which are centrosymmetric, and the flanges are positioned below the extension direction of the coaxial cable conductor (8).

6. The RF connector having a multi-contact terminal structure according to claim 1, wherein: two symmetrical butting parts (11) are arranged on one opposite side of the central terminal plate-shaped body (10) in a downward extending manner, and the elastic connecting end (4) is arranged on one side part of the other opposite side;

the central terminal (1) is positioned in the insulating core (2) by the other side (12) opposite to the elastic connecting end (4).

7. The RF connector having a multi-contact terminal structure according to claim 1, wherein: an accommodating groove (20) for accommodating and positioning the central terminal (1) is formed in the insulating core body (2), and an inlet wire positioning opening (21) for a coaxial cable (7) to pass through is formed in one side part of an upper end opening of the accommodating groove (20); the width and the height of the wire inlet positioning opening (21) are adapted to the diameter of the part of the coaxial cable (7) accommodated in the wire inlet positioning opening (21).

8. The RF connector having a multi-contact terminal structure according to claim 1, wherein: the upper end of the insulating core body (2) is movably connected with an insulating cover plate (22);

when the coaxial cable (7) is connected, the insulating cover plate (22) can cover and press the top of the coaxial cable conductor (8), so that the coaxial cable conductor (8) is respectively in close contact with the elastic connecting end (4) and the protruding structure of the central terminal (1).

9. The RF connector having a multi-contact terminal structure according to claim 1, wherein: the shell (3) is including mount pad (30) that are used for holding insulating core (2), mount pad (30) are including enclosing circle shell (31) of locating insulating core (2) periphery, circle shell (31) are equipped with opening (33) towards one side of coaxial cable (7) introduction direction, and opening (33) both sides are connected with elasticity latch (32) that are used for centre gripping coaxial cable (7) respectively.

10. An RF connector cable assembly, comprising: comprising the RF connector having a multi-contact terminal structure according to claim 1 and a coaxial cable (7) electrically connected to the RF connector.