CN211480444U

CN211480444U - Bending type radio frequency coaxial connector

Info

Publication number: CN211480444U
Application number: CN202020007520.6U
Authority: CN
Inventors: 陈�峰
Original assignee: Danyang Ruifeng Electronic Co ltd
Current assignee: Danyang Ruifeng Electronic Co ltd
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-09-11
Anticipated expiration: 2030-01-06

Abstract

The utility model belongs to the technical field of the radio frequency connector, especially, be a curved formula radio frequency coaxial connector, including connecting the square, the middle part fixedly connected with external screw thread pipe of connection square horizontal plane one side, external screw thread pipe's middle part is equipped with first fender platform, fixed gomphosis has first insulation pipe in the external screw thread pipe hole, first fender platform keeps off and connects the one end of first insulation pipe, the hole through connection of first insulation pipe has first radio frequency axle. The utility model discloses during the equipment, run through first radio frequency axle and insert in the first insulating tube, then at the one end welding radio frequency connecting plate of first radio frequency axle, impress the hole of external screw thread pipe with this subassembly gomphosis, impress the hole of step connecting pipe with second radio frequency axle and second insulating tube simultaneously, impress the opening of step connecting pipe press-in connection square top surface again, until the bottom embedding location of second radio frequency axle perforates, first radio frequency axle and second radio frequency axle just realize the location connection through the location perforation this moment.

Description

Bending type radio frequency coaxial connector

Technical Field

The utility model relates to a radio frequency connector technical field specifically is a curved formula radio frequency coaxial connector.

Background

The radio frequency coaxial connector is an element for connecting or relaying radio frequency signals, and performance parameters of the radio frequency coaxial connector are determined by the following indexes: almost all rf connectors and cables are standardized to an impedance of 50 Ω, VSWR (voltage standing wave ratio): ideally it should be a conglomerate, good design and implementation to keep the VSWR below 1.2 within the range of interest, frequency range: most radio frequency operation today is in the range of 1 to 10GHz and therefore the connectors must have low losses in this area, and for cases above 10GHz there are many operations, and there are now things in the range of 10 to 40GHz where newer connectors are chosen, which are expensive because of the cable itself, the insertion loss, which is the connector loss in the frequency range of interest, the loss being typically 0.1 and 0.3 db; how critical per watt (or fractional watt) is in most designs, even such small losses must be minimized, accounting for link loss budgets, which is particularly important in low noise front-ends when signal strength and signal-to-noise ratios are low, with the actual electrical performance depending on the performance of the cable, the contacts of the cable, the geometry of the connector, the contacts of the inner conductors, 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 frequency of use of a certain radio frequency connector is 10GHZ, the frequency of use of the cable connected to it is 5GHZ, and the maximum frequency of use of the assembly is 5 GHZ; the combination of all the factors determines the use frequency of the whole transmission line, the machining method of various elements in the manufacturing process determines the mechanical property and the electrical property of the radio frequency connector, and the mechanical property and the production quantity and scale are considered; the rf coaxial connector is classified into a coaxial type and a bending type, wherein the coaxial type has a simple structure and the bending type has a complicated structure, but in many rf connection situations, the coaxial type is inconvenient to use and the rf coaxial connector having the bending type structure must be used.

The current bent rf coaxial connector has the following problems:

1. when the existing bending type radio frequency coaxial connector is produced, the dimensional precision of an assembly structure cannot be well controlled.

2. The connection of the bent parts in the existing bent radio frequency coaxial connector is not firm enough, so that the radio frequency signal transmission is unstable.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a curved formula radio frequency coaxial connector has solved present curved formula radio frequency coaxial connector package assembly's size precision and can not control well to and the inside part of buckling of connector connects fastening inadequately, unstable problem during the radio frequency signal transmission.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a bent radio frequency coaxial connector comprises a connecting block, wherein an external threaded pipe is fixedly connected to the middle of one side of the horizontal plane of the connecting block, a first blocking platform is arranged at the middle of the external threaded pipe, a first insulating pipe is fixedly embedded in an inner hole of the external threaded pipe, the first blocking platform blocks one end of the first insulating pipe, an inner hole of the first insulating pipe is connected with a first radio frequency shaft in a penetrating manner, the first radio frequency shaft is located at one end of the connecting block and fixedly connected with a radio frequency connecting plate, a positioning through hole is formed in the middle of the radio frequency connecting plate, a radio frequency connecting female head is arranged at the other end of the first radio frequency shaft, a step connecting pipe is fixedly embedded in the middle of the vertical top surface of the connecting block, a second insulating pipe is fixedly embedded in the middle of the inner hole of the step connecting pipe, a second radio frequency shaft is fixedly embedded in the second insulating pipe, and one end of the second radio frequency shaft is embedded in the positioning through hole, and the middle part of the second radio frequency shaft is provided with a two-way blocking and connecting column, the top end of the two-way blocking and connecting column is blocked and connected with the second insulating pipe, and the bottom end of the two-way blocking and connecting column is blocked and connected with the top surface of the radio frequency connecting plate.

As an optimal technical scheme of the utility model, the bottom of step connecting pipe is equipped with step gomphosis section, the middle part of connecting the square perpendicular is equipped with the second and keeps off the platform, the second keeps off the platform and keeps off and connect step gomphosis section.

As a preferred technical scheme of the utility model, the first ring that keeps off of open end fixedly connected with of step connecting pipe, the excircle activity nestification of step connecting pipe has the internal thread pipe, the bottom fixedly connected with second of internal thread pipe keeps off the ring, the hole activity nestification of internal thread pipe first fender ring, the second keeps off the ring fender and connects first fender ring.

As an optimized technical scheme of the utility model, be equipped with four elasticity gomphosis grooves on the female head of radio frequency connection.

As an optimal technical scheme of the utility model, connect the square with external screw thread pipe fixed knot constructs as an organic whole, first radio frequency axle with the radio frequency connecting plate is the welding of fastening gomphosis.

(III) advantageous effects

Compared with the prior art, the utility model provides a curved formula radio frequency coaxial connector possesses following beneficial effect:

1. this curved formula radio frequency coaxial connector, run through first radio frequency axle and insert in the first insulating tube, then at the one end welding radio frequency connecting plate of first radio frequency axle, impress this subassembly gomphosis in the hole of external screw thread pipe, impress second radio frequency axle and second insulating tube in the hole of step connecting pipe simultaneously, impress the opening of connecting the square top surface with the step connecting pipe again, until the bottom embedding of second radio frequency axle fixes a position in the perforation, first radio frequency axle and second radio frequency axle just realize the location through the perforation at this moment and connect.

2. This curved formula radio frequency coaxial connector, after running through first insulating tube with first radio frequency axle, pass through draw-in groove gomphosis radio frequency connecting plate at the part that first radio frequency axle is protruding out first insulating tube, then through brazing or laser welding at the joint position of first radio frequency axle and radio frequency connecting plate, with the firm connection of the two as a whole, realize the function of radio frequency transmission conductor.

Drawings

FIG. 1 is a schematic sectional view of the exploded structure of the present invention;

FIG. 2 is a schematic side sectional view of the subjective structure of the present invention;

fig. 3 is a schematic view of the connection between the first rf shaft and the second rf shaft according to the present invention.

In the figure: 1. connecting the squares; 2. an externally threaded tube; 3. a first stop; 4. a first insulating tube; 5. a first radio frequency axis; 6. a radio frequency connection board; 7. positioning and punching; 8. connecting the female head; 9. a step connecting pipe; 10. a second insulating tube; 11. a second radio frequency axis; 12. a bidirectional blocking post; 13. a step engaging section; 14. a second stop; 15. a first retainer ring; 16. an internally threaded tube; 17. a second retainer ring; 18. the elastic embedding groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: a bent radio frequency coaxial connector comprises a connecting block 1, an external threaded pipe 2 is fixedly connected to the middle of one side of the horizontal plane of the connecting block 1, a first blocking platform 3 is arranged at the middle of the external threaded pipe 2, a first insulating pipe 4 is fixedly embedded in an inner hole of the external threaded pipe 2, the first blocking platform 3 blocks one end of the first insulating pipe 4, a first radio frequency shaft 5 is connected to the inner hole of the first insulating pipe 4 in a penetrating manner, a radio frequency connecting plate 6 is fixedly connected to one end, located at the connecting block 1, of the first radio frequency shaft 5, a positioning through hole 7 is arranged at the middle of the radio frequency connecting plate 6, a radio frequency connecting female head 8 is arranged at the other end of the first radio frequency shaft 5, a step connecting pipe 9 is fixedly embedded at the middle of the vertical top surface of the connecting block 1, a second insulating pipe 10 is fixedly embedded at the middle of the inner hole of the step connecting pipe 9, a second radio frequency shaft 11 is fixedly embedded in the second insulating pipe 10, one end, the middle part of the second radio frequency shaft 11 is provided with a bidirectional blocking and connecting column 12, the top end of the bidirectional blocking and connecting column 12 is blocked and connected with the second insulating tube 10, and the bottom end of the bidirectional blocking and connecting column 12 is blocked and connected with the top surface of the radio frequency connecting plate 6.

In the embodiment, the connecting block 1 and the external threaded pipe 2 are integrated parts, the step connecting pipe 9 and the connecting block 1 are two split parts, and the assembling steps are that firstly, a first radio frequency shaft 5 penetrates through and is inserted into a first insulating pipe 4, then, a radio frequency connecting plate 6 is welded or pressed at one end, close to the connecting block 1, of the first radio frequency shaft 5, then, the assembly is embedded and pressed into an inner hole of the external threaded pipe 2 until a first blocking platform 3 blocks the first insulating pipe 4, and at the moment, a positioning through hole 7 is positioned in the center of a vertical surface of the connecting block 1; meanwhile, a second radio frequency shaft 11 penetrates through and is pressed into a second insulating pipe 10, and then the second insulating pipe 10 and the second radio frequency shaft 11 are embedded and pressed into an inner hole of the step connecting pipe 9 until being blocked by a step in the step connecting pipe 9; step connecting pipe 9, second insulating pipe 10 and second radio frequency shaft 11 are embedded and pressed into the opening of the top surface of connecting block 1 until the bottom end of second radio frequency shaft 11 is embedded into positioning through hole 7, at this moment, first radio frequency shaft 5 and second radio frequency shaft 11 realize preliminary positioning connection through positioning through hole 7, and can transmit radio frequency signals, bidirectional blocking column 12 has bidirectional positioning function, the bottom end thereof blocks and connects the top surface of radio frequency connecting plate 6, so that the second radio frequency shaft 11 is firmly mechanically and electrically connected with radio frequency connecting plate 6, the top end thereof blocks and connects second insulating pipe 10, and the size of connection of second insulating pipe 10 and second radio frequency shaft 11 is limited, so that the stability of the continuity of radio frequency signal transmission is ensured. The first insulating tube 4 and the second insulating tube 10 are nylon tubes or polyurethane tubes, and have good elastic plasticity and insulating property.

Specifically, the bottom end of the step connecting pipe 9 is provided with a step embedding section 13, the middle part of the vertical surface of the connecting block 1 is provided with a second blocking platform 14, and the second blocking platform 14 blocks the step embedding section 13.

In this embodiment, when step connecting pipe 9 is connected with the gomphosis of connecting block 1, step gomphosis section 13 embedding is connected in the hole of connecting block 1 top surface, is kept off the platform 14 by the second until the top of step gomphosis section 13 and keeps off and connect, realizes accurate size positioning and connects, and the degree of depth of controlling second fender platform 14 then can control step connecting pipe 9 and the connection size of connecting block 1, realizes the utility model discloses an accurate connection.

Specifically, the open end of the step connecting pipe 9 is fixedly connected with a first retaining ring 15, the outer circle of the step connecting pipe 9 is movably nested with an internal threaded pipe 16, the bottom end of the internal threaded pipe 16 is fixedly connected with a second retaining ring 17, the inner hole of the internal threaded pipe 16 is movably nested with the first retaining ring 15, and the second retaining ring 17 is retained with the first retaining ring 15.

In this embodiment, the internal thread pipe 16 can use the step connecting pipe 9 as the axle center rotation, and then will the utility model discloses the major structure closes with the connection port on the radio frequency signal line or the radio frequency emitter and connects by spiral, realizes electric connection and radio frequency signal transmission when carrying out physical connection.

Specifically, four elastic embedding grooves 18 are formed in the radio frequency connection female head 8.

In this embodiment, four elasticity gomphosis grooves 18 are through constituting elastic deformation's joint structure, imbed as the public head of connection of radio frequency cable the utility model discloses a after female head 8 is connected to the radio frequency, female head 8 is connected through the public head of connection that the radio frequency cable is connected to four firm gomphosis grooves 18 to the radio frequency, guarantees mechanical connection and electric connection between the two, realizes stable radio frequency signal transmission.

Specifically, the connecting block 1 and the external thread pipe 2 are of an integral fixed structure, and the first radio frequency shaft 5 and the radio frequency connecting plate 6 are in fastening, embedding and welding.

In the embodiment, the connecting block 1 and the external thread pipe 2 are of an integral fixed structure, and the connecting block and the external thread pipe are manufactured by turning and milling the same metal bar, so that the structural strength of the utility model can be well ensured; the first radio frequency shaft 5 and the radio frequency connecting plate 6 are welded in a fastening embedding manner, during production, after the first radio frequency shaft 5 penetrates through the first insulating tube 4, a clamping groove is formed in the part, protruding out of the first insulating tube 4, of the first radio frequency shaft 5, one side of the radio frequency connecting plate 6 is embedded in the clamping groove, and then the first radio frequency shaft 5 and the radio frequency connecting plate 6 are firmly connected into a whole through brazing or laser welding at the clamping part.

The first insulating tube 4 and the second insulating tube 10 in the present embodiment are known technologies that have been disclosed to be widely used in industrial production and daily life.

The utility model discloses a theory of operation and use flow: the connection block 1 and the external thread pipe 2 are integrated parts, the step connection pipe 9 and the connection block 1 are two split parts, and the assembly steps are that firstly, a first radio frequency shaft 5 penetrates through and is inserted into a first insulation pipe 4, then, one end of the first radio frequency shaft 5, which is close to the connection block 1, is welded or pressed with a radio frequency connection plate 6, and then, the assembly is embedded and pressed into an inner hole of the external thread pipe 2 until a first baffle table 3 blocks the first insulation pipe 4, and at the moment, a positioning through hole 7 is positioned in the center of a vertical surface of the connection block 1; meanwhile, a second radio frequency shaft 11 penetrates through and is pressed into a second insulating pipe 10, and then the second insulating pipe 10 and the second radio frequency shaft 11 are embedded and pressed into an inner hole of the step connecting pipe 9 until being blocked by a step in the step connecting pipe 9; then, the step connecting pipe 9, the second insulating pipe 10 and the second radio frequency shaft 11 are embedded and pressed into the opening on the top surface of the connecting block 1 until the bottom end of the second radio frequency shaft 11 is embedded into the positioning through hole 7, at the moment, the first radio frequency shaft 5 and the second radio frequency shaft 11 realize preliminary positioning connection through the positioning through hole 7 and can transmit radio frequency signals, the bidirectional blocking and connecting column 12 has a bidirectional positioning function, the bottom end of the bidirectional blocking and connecting column is blocked and connected with the top surface of the radio frequency connecting plate 6, so that the second radio frequency shaft 11 is stably and mechanically and electrically connected with the radio frequency connecting plate 6, the top end of the bidirectional blocking and connecting column is blocked and connected with the second insulating pipe 10, the connecting size of the second insulating pipe 10 and the second radio frequency shaft 11 is limited, so that the continuity and stability of radio frequency signal transmission are ensured, when in production, after the first radio frequency shaft 5 penetrates through the first insulating pipe 4, a clamping groove is arranged on the part of, one side of the radio frequency connecting plate 6 is embedded in the clamping groove, and then the first radio frequency shaft 5 and the radio frequency connecting plate 6 are firmly connected into a whole through brazing or laser welding at the clamping part, so that the function of a radio frequency transmission conductor is realized.

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 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 bent radio frequency coaxial connector comprises a connecting block (1), and is characterized in that: the middle part fixedly connected with external screw thread pipe (2) of connection square (1) horizontal plane one side, the middle part of external screw thread pipe (2) is equipped with first fender platform (3), fixed gomphosis has first insulating tube (4) in external screw thread pipe (2) hole, first fender platform (3) keep off the one end of connecing first insulating tube (4), the hole through connection of first insulating tube (4) has first radio frequency axle (5), first radio frequency axle (5) are located the one end fixedly connected with radio frequency connecting plate (6) of connection square (1), the middle part of radio frequency connecting plate (6) is equipped with location perforation (7), the other end of first radio frequency axle (5) is equipped with female head (8) of radio frequency connection, the middle part gomphosis of connecting square (1) perpendicular top surface is fixed with step connecting pipe (9), the middle part gomphosis of step connecting pipe (9) hole is fixed with second insulating tube (10), a second radio frequency shaft (11) is fixedly embedded in the second insulating tube (10), the second radio frequency shaft (11) is located at one end of the connecting block (1) and embedded into the positioning through hole (7), a bidirectional blocking and connecting column (12) is arranged in the middle of the second radio frequency shaft (11), the top end of the bidirectional blocking and connecting column (12) is blocked and connected with the second insulating tube (10), and the bottom end of the bidirectional blocking and connecting column (12) is blocked and connected with the top surface of the radio frequency connecting plate (6).

2. The curved rf coaxial connector of claim 1, wherein: the bottom end of the step connecting pipe (9) is provided with a step embedding section (13), the middle of the vertical surface of the connecting block (1) is provided with a second blocking platform (14), and the second blocking platform (14) is blocked and connected with the step embedding section (13).

3. The curved rf coaxial connector of claim 1, wherein: the first ring (15) that keeps off of open end fixedly connected with of step connecting pipe (9), the excircle movable nested of step connecting pipe (9) has internal thread pipe (16), the bottom fixedly connected with second of internal thread pipe (16) keeps off ring (17), the hole activity of internal thread pipe (16) is nested first keep off ring (15), the second keeps off ring (17) and keeps off and connect first fender ring (15).

4. The curved rf coaxial connector of claim 1, wherein: four elastic embedding grooves (18) are formed in the radio frequency connection female head (8).

5. The curved rf coaxial connector of claim 1, wherein: the connecting block (1) and the external threaded pipe (2) are of an integral fixing structure, and the first radio frequency shaft (5) and the radio frequency connecting plate (6) are in fastening, embedding and welding.