CN216085366U - Radio frequency coaxial connector of anti-shrinking needle structure - Google Patents

Abstract

The utility model discloses a radio frequency coaxial connector with an anti-shrinkage needle structure, which comprises a radio frequency connector and a radio frequency coaxial cable, wherein the radio frequency connector is formed by combining a first side shell, a central shell and a second side shell, a limiting seat is arranged on the surface of the central shell, which is close to one side of the first side shell, the central shell is clamped in a clamping channel on the side of the first side shell through the limiting seat, the second side shell is arranged in an assembling groove on the side of the central shell through a clamping block in a wiring channel, the radio frequency coaxial cable penetrates through the middle of an inner cavity of the second side shell through a connector welding body arranged in a packaging channel, and an anti-shrinkage insulator is arranged on the outer side surface of a connector central conductor at the joint of the connector central conductor and the connector welding body. The shrink-proof insulator can effectively prevent the shrink needle of the core wire when the radio frequency coaxial cable is repeatedly bent and dragged, thereby reducing the power connection safety risk caused by poor contact between the radio frequency cable assembly and the adaptive connector thereof, and having good use effect.

Description

Radio frequency coaxial connector of anti-shrinking needle structure

Technical Field

The utility model relates to the technical field of connectors, in particular to a radio frequency coaxial connector with a shrink-proof needle structure.

Background

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 conductor, etc. The maximum frequency of the coaxial line must be the maximum frequency of use of the weakest element in the transmission line, since it depends on all elements and not on a certain element. The name of the radio frequency coaxial connector consists of a main name code and a structural code, and the two parts are separated by a short transverse line < - >. The main name code of the main name code radio frequency connector adopts the international general main name code, the names of different structural forms of specific products are specified by detailed specifications, and the structural form represents the structure of the radio frequency connector. The radio frequency cable subassembly after current structure assembly is accomplished is because there are various service environment and operation requirement in the use engineering, and there is the service condition of bending repeatedly and pulling in the radio frequency cable subassembly, and there is axial contraction risk in the core wire in the radio frequency coaxial cable after bending and pulling, and then the influence connects the electric property, and the practicality is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a radio frequency coaxial connector with a shrink-proof needle structure, which aims to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a radio frequency coaxial connector of an anti-shrink needle structure comprises a radio frequency connector and a radio frequency coaxial cable, wherein the radio frequency connector is formed by combining a first side shell, a central shell and a second side shell, a cylindrical assembling limiting hole is transversely formed in the middle of the surface of one side of the first side shell, a middle clamping channel is transversely formed in the inner wall of the first side shell outside the assembling limiting hole in a penetrating mode, a limiting seat is transversely arranged on the surface, close to one side of the first side shell, of the central shell in a matching mode with the clamping channel, the central shell is clamped in the clamping channel on the side of the first side shell through the limiting seat, a convex assembling groove is transversely formed in the middle of the surface, far away from the first side shell, of the central shell outside the assembling groove, a wiring channel is transversely formed in the middle of the inner wall of the limiting seat, and the second side shell is movably arranged in the assembling groove on the side of the central shell through a clamping block, the second limit shell is located the inside one end side middle part of equipment groove and has seted up cylindrical encapsulation passageway, the radio frequency coaxial cable runs through the activity through the connector welding body that is equipped with in the encapsulation passageway and sets up in the inner chamber middle part of second limit shell, the fixed connector center conductor that is provided with in the outside that radio frequency coaxial cable is close to central casing one end heart yearn, the fixed T shape insulator that prevents contracting that is provided with of connector center conductor and connector welding body junction's connector center conductor lateral surface.

Preferably, the outer side face of one end, close to the central shell, of each of the first side shell and the second side shell is of a nut-shaped structure, and the central shell is connected with the first side shell, the second side shell and the central body in an embedding mode, and the joints of the central shell and the first side shell and the second side shell are sealed through rubber rings.

Preferably, the connector central conductor is connected with a core wire signal at one end of the radio frequency coaxial cable inside the central shell, and the connector central conductor and the connector welding body are integrated into a whole by adopting a welding process.

Preferably, the inner wall of the joint of the connector welding body and the radio frequency coaxial cable is provided with a shielding layer.

Preferably, the shrink-proof insulator is made of solid polytetrafluoroethylene and is connected with an insulating layer between the connector welding body and the radio frequency coaxial cable core wire.

Compared with the prior art, the utility model has the beneficial effects that:

increase the insulator that contracts of preventing between connector center conductor and radio frequency coaxial cable's heart yearn, and be solid polytetrafluoroethylene material, when radio frequency cable subassembly needs to relapse bending and pull, the insulator that contracts of preventing can block the radio frequency coaxial cable heart yearn and contract the needle between connector center conductor and connector welding body to reduce because of radio frequency cable subassembly and rather than the bad electric safe risk that connects that causes of contact between the adaptation connector, excellent in use effect.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

FIG. 2 is a structural cross-sectional view of the present invention;

fig. 3 is a cross-sectional view of an expanded structure of the present invention.

In the figure: 1. a radio frequency connector; 2. a radio frequency coaxial cable; 3. a first side shell; 4. a center housing; 5. a second side shell; 6. assembling a limiting hole; 7. clamping the channel; 8. a limiting seat; 9. an assembly groove; 10. a wiring channel; 11. packaging the channel; 12. a connector weld; 13. a connector center conductor; 14. a shrink-proof insulator; 15. a shielding layer; 16. an insulating layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, 2 and 3, in an embodiment of the present invention, a radio frequency coaxial connector of a shrink-proof pin structure includes a radio frequency connector 1 and a radio frequency coaxial cable 2, the radio frequency connector 1 is formed by combining a first side shell 3, a central shell 4 and a second side shell 5, a cylindrical assembly limiting hole 6 is transversely formed in a middle portion of a side surface of the first side shell 3, a middle clamping passage 7 is transversely formed through an inner wall of the first side shell 3 outside the assembly limiting hole 6, a limiting seat 8 is transversely formed on a side surface of the central shell 4 close to the first side shell 3 in cooperation with the clamping passage 7, the central shell 4 is clamped in the clamping passage 7 on a side surface of the first side shell 3 through the limiting seat 8, a convex assembly groove 9 is transversely formed in a middle portion of a side surface of the central shell 4 far from the first side shell 3, a wiring passage 10 is transversely formed through a middle portion of an inner wall of the central shell 4 outside the assembly groove 9 and the limiting seat 8, the second side shell 5 is movably arranged in an assembling groove 9 on the side surface of the central shell 4 through a clamping block, a cylindrical packaging channel 11 is formed in the middle of the side surface of one end, located inside the assembling groove 9, of the second side shell 5, the radio frequency coaxial cable 2 penetrates through and is movably arranged in the middle of an inner cavity of the second side shell 5 through a connector welding body 12 arranged in the packaging channel 11, a connector central conductor 13 is fixedly arranged on the outer side, close to a core wire at one end of the central shell 4, of the radio frequency coaxial cable 2, and a T-shaped anti-shrinkage insulator 14 is fixedly arranged on the outer side surface of the connector central conductor 13 at the joint of the connector central conductor 13 and the connector welding body 12; the outer side surfaces of one ends of the first side shell 3 and the second side shell 5, which are close to the central shell 4, are both in nut-shaped structures, the central shell 4 and the first side shell 3 as well as the second side shell 5 and the central body are connected in an embedded mode, and the joints are sealed by rubber rings, so that the influence on the service performance of internal elements due to unreliable sealing is avoided; the connector central conductor 13 is in signal connection with a core wire at one end of the radio frequency coaxial cable 2 positioned in the central shell 4, the connector central conductor 13 and the connector welding body 12 are integrated into a whole by adopting a welding process, and the stable and reliable connection between the core wire of the radio frequency coaxial cable 2 and the connector central conductor 13 is ensured; the inner wall of the joint of the connector welding body 12 and the radio frequency coaxial cable 2 is provided with a shielding layer 15, so that the influence of external signals on the power connection safety is avoided; the shrink-proof insulator 14 is made of solid polytetrafluoroethylene and is connected with the insulating layer 16 between the connector welding body 12 and the core wire of the radio frequency coaxial cable 2, and the shrink needle of the core wire can be effectively prevented when the radio frequency coaxial cable 2 is bent and dragged.

The working principle and the using process of the utility model are as follows: increase between connector center conductor 13 and radio frequency coaxial cable 2's heart yearn and be equipped with anti-shrinkage insulator 14, and be solid polytetrafluoroethylene material, when radio frequency cable subassembly needs repeated bending and drag, anti-shrinkage insulator 14 can block the needle that contracts of radio frequency coaxial cable 2 heart yearn between connector center conductor 13 and connector welding body 12 to reduce because of the radio frequency cable subassembly with rather than the bad electric safety risk that contacts that causes in the adapter connector, excellent in use effect.

Finally, it should be noted that: 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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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 (5)

1. The utility model provides a radio frequency coaxial connector of needle structure that contracts of preventing, includes radio frequency connector (1), radio frequency coaxial cable (2), its characterized in that: the radio frequency connector (1) is formed by combining a first side shell (3), a central shell (4) and a second side shell (5), a cylindrical assembly limiting hole (6) is transversely formed in the middle of the surface of one side of the first side shell (3), a middle-shaped clamping channel (7) is transversely formed in the inner wall of the first side shell (3) outside the assembly limiting hole (6) in a penetrating mode, a limiting seat (8) is transversely arranged on the surface of one side, close to the first side shell (3), of the central shell (4) and matched with the clamping channel (7) in a penetrating mode, the central shell (4) is clamped in the clamping channel (7) on the side of the first side shell (3) through the limiting seat (8), a convex-shaped assembling groove (9) is transversely formed in the middle of the surface of one side, far away from the first side shell (3), of the central shell (4) outside the assembling groove (9) and the middle of the inner wall of the limiting seat (8) are transversely formed in a penetrating mode, a wiring channel (10) is formed, second limit shell (5) set up in equipment groove (9) of central casing (4) side through the fixture block activity, second limit shell (5) are located equipment groove (9) inside one end side middle part and have seted up cylindrical encapsulation passageway (11), radio frequency coaxial cable (2) are through going through the activity and set up the inner chamber middle part at second limit shell (5) through connector welding body (12) that are equipped with in encapsulation passageway (11), the outside that radio frequency coaxial cable (2) are close to central casing (4) one end heart yearn is fixed and is provided with connector central conductor (13), connector central conductor (13) and connector welding body (12) junction's connector central conductor (13) lateral surface is fixed and is provided with T shape and prevents insulator (14) that contracts.

2. The radio frequency coaxial connector of a shrinkproof needle structure of claim 1, wherein: first limit shell (3), second limit shell (5) are close to the one end lateral surface of central casing (4) and are nut column structure, it is connected and the junction passes through the rubber circle sealedly to be the gomphosis mode between central casing (4) and first limit shell (3), second limit shell (5) and the central body.

3. The radio frequency coaxial connector of a shrinkproof needle structure of claim 1, wherein: the connector central conductor (13) is in signal connection with a core wire at one end of the radio frequency coaxial cable (2) positioned in the central shell (4), and the connector central conductor (13) and the connector welding body (12) are integrated into a whole by adopting a welding process.

4. The radio frequency coaxial connector of a shrinkproof needle structure of claim 1, wherein: and a shielding layer (15) is arranged on the inner wall of the joint of the connector welding body (12) and the radio frequency coaxial cable (2).

5. The radio frequency coaxial connector of a shrinkproof needle structure of claim 1, wherein: the shrink-proof insulator (14) is made of solid polytetrafluoroethylene and is connected with an insulating layer (16) between the connector welding body (12) and the core wire of the radio frequency coaxial cable (2).

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