CN110444975B - Opposite-plug type radio frequency connector and manufacturing method of metal shell thereof - Google Patents
Opposite-plug type radio frequency connector and manufacturing method of metal shell thereof Download PDFInfo
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- CN110444975B CN110444975B CN201910686669.3A CN201910686669A CN110444975B CN 110444975 B CN110444975 B CN 110444975B CN 201910686669 A CN201910686669 A CN 201910686669A CN 110444975 B CN110444975 B CN 110444975B
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- 239000002184 metal Substances 0.000 title claims abstract description 137
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 137
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000012212 insulator Substances 0.000 claims description 56
- 238000004080 punching Methods 0.000 claims description 46
- 210000001503 joint Anatomy 0.000 claims description 37
- 238000005452 bending Methods 0.000 claims description 31
- 210000000078 claw Anatomy 0.000 claims description 22
- 239000004020 conductor Substances 0.000 claims description 12
- 238000005520 cutting process Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 9
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 14
- 230000037431 insertion Effects 0.000 description 14
- 238000010276 construction Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
- H01R13/11—Resilient sockets
- H01R13/111—Resilient sockets co-operating with pins having a circular transverse section
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
- H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
- H01R24/54—Intermediate parts, e.g. adapters, splitters or elbows
- H01R24/542—Adapters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/18—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing bases or cases for contact members
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a butt-plug type radio frequency connector and a manufacturing method of a metal shell thereof. The metal shell is divided into the outer shell body and the inner shell body, and the two-piece axial opposite-inserting structure is formed by opposite-inserting, so that the whole opposite-inserting type radio frequency connector is convenient to assemble, and the assembling efficiency can be improved; the outer shell and the inner shell are formed by metal through stamping and stretching or stamping and rounding, and compared with the metal shell manufactured by adopting a turning process in the prior art, the metal shell can prevent waste of metal raw materials, save materials, reduce production cost, improve production efficiency and facilitate large-scale production.
Description
Technical field:
The invention relates to the technical field of connector products, in particular to a counter-plug type radio frequency connector and a manufacturing method of a metal shell of the counter-plug type radio frequency connector.
The background technology is as follows:
In the current electronic communication field, such as communication transmission, voice transmission, data transmission, image transmission and other occasions, the required signal propagation speed is faster and faster, the frequency is higher and higher, and meanwhile, the systemization and integration degree is higher and higher, while the radio frequency connector is widely used in the integrated modularization occasion because of small volume, light weight, good shock resistance, wide working frequency band and certain axial and radial misalignment.
The radio frequency connector can be used for interconnection between the circuit board and the circuit board, between the radio frequency module and the radio frequency module, and between the circuit board and the radio frequency module. In the electronic communication industry, miniaturization and cost reduction are particularly important in view of market, which promotes higher and higher modularization of electronic communication products. The radio frequency connector provides an ideal solution for the application occasions of modularized dense installation, can be applied to 5G large-scale matrix antennas, and can realize miniaturized high-density rapid assembly.
The radio frequency connector in the prior art generally comprises an insulator, a terminal arranged in the insulator and a metal shell arranged on the periphery of the insulator, wherein the metal shell is of a hollow cylindrical structure, however, the metal shell is manufactured by adopting a turning process, and the hollow part of the metal shell is turned into scrap iron, so that the waste of metal materials is large, the cost is high, the processing efficiency is low, the large-scale production is not facilitated, and the market competitiveness is not facilitated to be improved.
In view of this, the present inventors have proposed the following means.
The invention comprises the following steps:
The invention aims to overcome the defects of the prior art and provides a manufacturing method of a butt-plug type radio frequency connector and a metal shell thereof.
In order to solve the technical problems, the invention adopts the following first technical scheme: the opposite-plug type radio frequency connector comprises a metal outer shell, wherein the metal outer shell comprises an outer shell body and an inner shell body which are formed by metal through stamping and stretching or stamping and rounding, a butt joint hole is formed in the inner wall of the end part of the outer shell body, a convex ring part is formed on the outer surface of the end part of the outer shell body at the position corresponding to the butt joint hole, and the end part of the inner shell body is pressed into the butt joint hole, so that the outer shell body and the inner shell body are opposite-plug fixed together.
Furthermore, in the above technical scheme, the inner shell forms a first flanging hanging table and a second flanging hanging table which are symmetrically distributed in two rows from outside to inside by punching one end of the inner shell, which is in butt joint with the outer shell.
In the above technical solution, further, the inner housing is formed with a positioning hole beside the first flanging hanging table; the inner wall of the butt joint hole is also stamped with a plurality of positioning convex hulls which are pressed into the positioning hole.
In the above technical solution, the inner shell is bent outwards relative to the other end abutting against the outer shell to form a first circular arc-shaped rib, and a plurality of first axial openings are formed in the circumferential direction of the first circular arc-shaped rib; the other end of the outer shell, which is butted with the inner shell, is outwards bent to form a second circular arc-shaped convex rib, and a plurality of second axial openings are formed in the circumferential direction of the second circular arc-shaped convex rib.
In the above technical solution, the outer shell and the inner shell are formed by punching and rounding metal, and the rounding seam of the outer shell is connected by at least one first dovetail buckle structure; the rounded seam of the inner shell is connected by at least one second dovetail buckle structure.
Furthermore, in the above technical solution, the round wrapping seam of the inner housing is also sealed and fixed by laser welding; the round wrapping seam of the outer shell is also sealed and fixed through laser welding.
Further, in the above technical solution, the method further includes: an insulator assembly including first and second insulators installed in the outer and inner cases, respectively, a first docking hole being formed between an outer periphery of the first insulator and an inner wall of the outer case; a second butt joint hole is formed between the periphery of the second insulator and the inner wall of the inner shell, and the end part of the second insulator also stretches into the outer shell; and the two ends of the central conductor are respectively inserted into the first insulator and the second insulator.
In the above technical solution, the central conductor includes a main body portion, and a first elastic contact claw and a second elastic contact claw formed at two ends of the main body portion and symmetrical to each other, wherein a first positioning ring is formed on the first elastic contact claw, the first elastic contact claw is inserted into the first insulator, and the first positioning ring is engaged with the first insulator for positioning; the second elastic contact claw is provided with a second positioning ring in a forming mode, the second elastic contact claw is inserted into the second insulator, and the second positioning ring is clamped and positioned with the second insulator.
In order to solve the technical problems, the invention adopts the following second technical scheme: the manufacturing method of the metal shell of the opposite-plug type radio frequency connector comprises the following steps: the first step: manufacturing an inner shell, cutting a metal plate, punching and bending one side of the metal plate to form a first arc-shaped convex rib, and punching a plurality of first axial openings on the first arc-shaped convex rib; punching and bending the other side of the metal plate to form two rows of symmetrically distributed first flanging hanging tables and second flanging hanging tables, and fixing the metal plate in a round wrapping mode to form a cylindrical structure so as to form an inner shell; and a second step of: manufacturing an outer shell, cutting a metal plate, punching and bending one side of the metal plate to form a second arc-shaped convex rib, punching a plurality of second axial openings on the second arc-shaped convex rib, and punching and bending the other side of the metal plate to form a groove body; fixing the metal plate in a round wrapping mode to form a cylindrical structure so as to form an outer shell, wherein the groove body surrounds the butt joint hole, and a convex ring part is formed on the outer surface of the outer shell at a position corresponding to the butt joint hole; and a third step of: one end of the inner shell, which is provided with a first flanging hanging table and a second flanging hanging table, is pressed into a butt joint hole of the outer shell, so that the outer shell and the inner shell are oppositely inserted and fixed together to form a group of metal shells.
In order to solve the technical problems, the invention adopts the following third technical scheme: the manufacturing method of the metal shell of the opposite-plug type radio frequency connector comprises the following steps: the first step: preparing an inner shell, preparing a metal plate, stamping and stretching the metal plate to form a first cylindrical structure, stamping and bending one side of the first cylindrical structure to form a first arc-shaped convex rib, punching a plurality of first axial openings on the first arc-shaped convex rib, and punching and bending the other side of the first cylindrical structure to form two rows of symmetrically distributed first flanging hanging platforms and second flanging hanging platforms to form the inner shell; or preparing a metal tube, wherein the diameter and the wall thickness of the metal tube are equal to those of the inner shell, flanging one side of the metal tube outwards, bending inwards to form a first arc-shaped convex rib, punching a plurality of first axial openings on the first arc-shaped convex rib, and punching and bending the other side of the metal tube to form a first flanging hanging table and a second flanging hanging table which are symmetrically distributed in two rows so as to form the inner shell; or cutting a metal plate, punching and bending one side of the metal plate to form a first arc-shaped convex rib, and punching a plurality of first axial openings on the first arc-shaped convex rib; punching and bending the other side of the metal plate to form two rows of symmetrically distributed first flanging hanging tables and second flanging hanging tables, and fixing the metal plate in a round wrapping mode to form a cylindrical structure so as to form an inner shell; and a second step of: preparing an outer shell, preparing a metal plate, stamping and stretching the metal plate to form a second cylindrical structure, forming a convex ring part at the position of the outer surface of the second cylindrical structure, forming a butt joint hole in the convex ring part, stamping and bending one side of the second cylindrical structure to form a second circular arc convex rib, and stamping a plurality of second axial openings on the second circular arc convex rib to form the outer shell; and a third step of: one end of the inner shell, which is provided with a first flanging hanging table and a second flanging hanging table, is pressed into a butt joint hole of the outer shell, so that the outer shell and the inner shell are oppositely inserted and fixed together to form a group of metal shells.
By adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects: the metal shell is divided into the outer shell and the inner shell, the outer shell and the inner shell are inserted into each other to form a two-piece axial insertion structure, so that the whole insertion type radio frequency connector is convenient to assemble, and the assembly efficiency can be effectively improved; moreover, the outer shell and the inner shell are formed by stamping, stretching and forming or stamping and rounding, compared with the metal shell manufactured by adopting a turning process in the prior art, the metal shell has the advantages that the waste of metal raw materials can be prevented to a great extent, a large amount of metal raw materials are saved, the production cost is reduced, the production efficiency can be greatly improved, and the metal shell is convenient for large-scale production, so that the metal shell has extremely strong market competitiveness.
Description of the drawings:
Fig. 1 is a perspective view of a first construction of an opposite-plug type radio frequency connector according to the present invention;
fig. 2 is an exploded perspective view of a first construction of the counter-plug type rf connector of the present invention;
Fig. 3 is a cross-sectional view of a first construction of the counter-plug type rf connector of the present invention;
Fig. 4 is a cross-sectional view of a metal housing in a first configuration of the counter-plug rf connector of the present invention;
fig. 5 is an exploded perspective view of a second construction of the counter-plug rf connector of the present invention;
fig. 6 is an exploded perspective view of a third construction of the counter-plug type rf connector of the present invention;
fig. 7 is a perspective view of a fourth construction of the counter-plug type rf connector of the present invention;
fig. 8 is a cross-sectional view of a fourth construction of the counter-plug type rf connector of the present invention.
The specific embodiment is as follows:
The invention will be further described with reference to specific examples and figures.
Referring to fig. 1-8, an opposite-plug-in radio frequency connector comprises a metal outer shell 100, an insulator assembly 3 installed in the metal outer shell 100 and a central conductor 4 arranged in the insulator assembly 3, wherein the metal outer shell 100 comprises an outer shell 1 and an inner shell 2 which are formed by metal through stamping and stretching or stamping and rounding, a butt joint hole 11 is formed on the inner wall of the end part of the outer shell 1, a convex ring part 12 is formed on the outer surface of the end part of the outer shell 1 at a position corresponding to the butt joint hole 11, and the end part of the inner shell 2 is pressed into the butt joint hole 11, so that the outer shell 1 and the inner shell 2 are opposite-plug-in and fixed together. The metal shell 100 is divided into the two independent parts of the outer shell 1 and the inner shell 2, and the two independent parts are mutually inserted into each other to form a two-piece axial insertion structure, so that the whole insertion type radio frequency connector is convenient to assemble, and the assembly efficiency can be effectively improved; moreover, compared with the metal shell manufactured by adopting a turning process in the prior art, the metal shell has the advantages that the waste of metal raw materials can be prevented to a great extent, a large amount of metal raw materials are saved, the production cost is reduced, the production efficiency is greatly improved, the large-scale production is convenient, and the metal shell has extremely strong market competitiveness.
The insulator assembly 3 comprises a first insulator 31 and a second insulator 32 which are respectively arranged in the outer shell 1 and the inner shell 2, and a first butt joint hole is formed between the periphery of the first insulator 31 and the inner wall of the outer shell 1; a second butt joint hole is formed between the periphery of the second insulator 32 and the inner wall of the inner shell 2, and the end part of the second insulator 32 also stretches into the outer shell 1; the two ends of the central conductor 4 are respectively inserted into the first insulator 31 and the second insulator 32, wherein the first insulator 31 is internally provided with a first pair of jacks 311 along the outer side thereof, the second insulator 32 is internally provided with a second pair of jacks 321 along the outer side thereof, the two ends of the central conductor 4 are respectively inserted into the first pair of jacks 311 of the first insulator 31 and the second pair of jacks 321 of the second insulator 32, and the first insulator 31 and the second insulator 32 ensure that the central conductor 4 is stably installed in the outer shell 1 and the inner shell 2, and the concentricity of the central conductor 4 and the outer shell 1 and the inner shell 2 can also be ensured.
The central conductor 4 includes a main body 41, and a first elastic contact claw 42 and a second elastic contact claw 43 formed at two ends of the main body 41 and symmetrical to each other, the first elastic contact claw 42 and the second elastic contact claw 43 are respectively inserted into a first pair of insertion holes 311 of the first insulator 31 and a second pair of insertion holes 321 of the second insulator 32, a first positioning ring 421 is formed on the first elastic contact claw 42, the first elastic contact claw 42 is inserted into the first insulator 31, and the first positioning ring 421 is engaged with the first insulator 31; the second elastic contact claw 43 is formed with a second positioning ring 431, the second elastic contact claw 43 is inserted into the second insulator 32, and the second positioning ring 431 is engaged with the second insulator 32 for positioning. After the first elastic contact claw 42 and the second elastic contact claw 43 are respectively inserted into the first pair of insertion holes 311 of the first insulator 31 and the second pair of insertion holes 321 of the second insulator 32, the first positioning ring 421 is engaged with the first pair of insertion holes 311 for positioning, and the second positioning ring 431 is engaged with the second pair of insertion holes 321 for positioning, so that the central conductor 4, the first insulator 31 and the second insulator 32 form a stable assembly structure.
The inner shell 2 forms a first flanging hanging table 21 and a second flanging hanging table 22 which are symmetrically distributed in two rows by outside-in punching at one end of the inner shell 1 in butt joint, and the first flanging hanging table 21 and the second flanging hanging table 22 are respectively used for supporting the first insulator 31 and the second insulator 32, so that the stability of the assembly structure of the outer shell 1 and the inner shell 2 and the first insulator 31 and the second insulator 32 is further ensured.
The other end of the inner shell 2 opposite to the butt joint with the outer shell 1 is outwards bent to form a first arc-shaped convex rib 24, and a plurality of first axial openings 25 are formed in the circumferential direction of the first arc-shaped convex rib 24, so that the first arc-shaped convex rib 24 is elastically contacted with an opposite plug, and the plug-in capability is improved; the other end of the outer shell 1 opposite to the butt joint with the inner shell 2 is outwards bent to form a second arc-shaped convex rib 14, and a plurality of second axial openings 15 are formed in the circumferential direction of the second arc-shaped convex rib 14, so that the second arc-shaped convex rib 25 is elastically contacted with an opposite insert, and the insertion and extraction capacity is improved.
The opposite-plug type radio frequency connector has the following four structures:
The first structure: the outer shell 1 and the inner shell 2 are formed by stamping and stretching metal, and are of a seamless structure, and the specific structure is shown in fig. 1-4.
The second structure: the outer shell 1 and the inner shell 2 are formed by punching and rounding metal, and the rounding joint of the outer shell 1 is connected by adopting at least one first dovetail buckle structure 101, so that the stability of the structure is ensured; the rounded seam of the inner housing 2 is connected by at least one second dovetail snap-fit structure 102, ensuring structural stability, see fig. 5 for a specific structure. The round wrapping seam of the inner shell 2 is also sealed and fixed by laser welding, so that the inner shell 2 is an integral body without gaps and openings, and the electric shielding effect is excellent; the round wrapping seam of the outer shell 1 is also sealed and fixed through laser welding, so that the outer shell 1 is an integral body without a gap and an opening, the electric shielding effect is excellent, the metal shell after the opposite insertion and fixation of the outer shell 1 and the inner shell 2 is an integral body without a gap and an opening, the electric shielding effect is excellent, and the mechanical and electric performances of the metal shell are completely replaced by those of a turning workpiece.
And a third structure: the outer shell 1 is formed by stamping and stretching metal, the inner shell 2 is formed by stamping and rounding metal, the rounding joint of the inner shell 2 is connected by adopting at least one second dovetail buckle structure 102, the stability of the structure is ensured, and the specific structure is shown in fig. 6. The round wrapping seam of the inner shell 2 is also sealed and fixed through laser welding, so that the inner shell 2 is an integral body without gaps and openings, and the electric shielding effect is excellent.
Fourth structure: based on the three structures, the following improvements are made: referring to fig. 7-8, a positioning hole 23 is formed at the side of the first flanging hanging table 21 of the inner shell 2; the inner wall of the butt joint hole 11 is also provided with a plurality of positioning convex hulls 13 in a punching mode, and the positioning convex hulls 13 are pressed into the positioning holes 23, so that stability of the assembly structure of the outer shell 1 and the inner shell 2 is further guaranteed.
In summary, the metal outer housing 100 is divided into the outer housing 1 and the inner housing 2, and the two separate components are mutually inserted into each other to form a two-piece axial insertion structure, so that the whole insertion type radio frequency connector is convenient to assemble, and the assembly efficiency can be effectively improved; moreover, compared with the metal shell manufactured by adopting a turning process in the prior art, the metal shell has the advantages that the waste of metal raw materials can be prevented to a great extent, a large amount of metal raw materials are saved, the production cost is reduced, the production efficiency is greatly improved, the large-scale production is convenient, and the metal shell has extremely strong market competitiveness.
The invention relates to a manufacturing method of a metal shell of an inserting type radio frequency connector, which comprises the following steps:
The first step: manufacturing an inner shell 2, cutting a metal plate, punching and bending one side of the metal plate to form a first arc-shaped convex rib 24, and punching a plurality of first axial openings 25 on the first arc-shaped convex rib 24; the other side of the metal plate is punched and bent to form two rows of symmetrically distributed first flanging hanging tables 21 and second flanging hanging tables 22, and then the metal plate is fixed in a round wrapping mode to form a cylindrical structure so as to form an inner shell 2, as shown in fig. 5;
And a second step of: manufacturing an outer shell 1, cutting a metal plate, punching and bending one side of the metal plate to form a second circular arc-shaped convex rib 14, punching a plurality of second axial openings 15 on the second circular arc-shaped convex rib 14, and punching and bending the other side of the metal plate to form a groove body; fixing the metal plate in a round wrapping mode to form a cylindrical structure so as to form an outer shell 1, wherein the groove body surrounds the butt joint hole 11, and a convex ring part 12 is formed on the outer surface of the outer shell 1 at a position corresponding to the butt joint hole 11, as shown in fig. 5;
And a third step of: one end of the inner shell 2 with the first flanging hanging table 21 and the second flanging hanging table 22 is pressed into the butt-joint hole 11 of the outer shell 1, so that the outer shell 1 and the inner shell 2 are oppositely inserted and fixed together to form a group of metal shells.
In summary, in the method for manufacturing the metal shell of the opposite-plug type radio frequency connector, the metal shell 100 is divided into the outer shell 1 and the inner shell 2, and two-piece axial opposite-plug structures are formed by opposite-plug, so that the whole opposite-plug type radio frequency connector is convenient to assemble, and the assembly efficiency can be effectively improved; moreover, the outer shell 1 and the inner shell 2 are formed by punching and rounding metal, so that compared with the metal shell manufactured by adopting a turning process in the prior art, the metal shell has the advantages that the waste of metal raw materials can be prevented to a great extent, a large amount of metal raw materials are saved, the production cost is reduced, the production efficiency can be greatly improved, and the metal shell is convenient for large-scale production, so that the metal shell has strong market competitiveness.
The invention relates to a manufacturing method of a metal shell of an inserting type radio frequency connector, which comprises the following steps:
The first step: preparing an inner shell 2, preparing a metal plate, stamping and stretching the metal plate to form a first cylindrical structure, stamping and bending one side of the first cylindrical structure to form a first circular arc-shaped convex rib 24, punching a plurality of first axial openings 25 on the first circular arc-shaped convex rib 24, punching and bending the other side of the first cylindrical structure to form two rows of symmetrically distributed first flanging hanging tables 21 and second flanging hanging tables 22, so as to form the inner shell 2, as shown in fig. 2; or preparing a metal tube, wherein the diameter and the wall thickness of the metal tube are equal to those of the inner shell 2, flanging one side of the metal tube outwards, bending inwards to form a first circular arc-shaped convex rib 24, punching a plurality of first axial openings 25 on the first circular arc-shaped convex rib 24, punching and bending the other side of the first cylindrical structure to form two rows of symmetrically distributed first flanging hanging tables 21 and second flanging hanging tables 22, so as to form the inner shell 2, and referring to fig. 2; or cutting a metal plate, punching and bending one side of the metal plate to form a first arc-shaped convex rib 24, and punching a plurality of first axial openings 25 on the first arc-shaped convex rib 24; the other side of the metal plate is punched and bent to form two rows of symmetrically distributed first flanging hanging tables 21 and second flanging hanging tables 22, and then the metal plate is fixed in a round wrapping mode to form a cylindrical structure so as to form an inner shell 2, as shown in fig. 6;
And a second step of: preparing an outer shell 1, preparing a metal plate, stamping and stretching the metal plate to form a second cylindrical structure, forming a convex ring part 12 at the outer surface of the second cylindrical structure, forming a butt joint hole 11 in the convex ring part, stamping and bending one side of the second cylindrical structure to form a second circular arc convex rib 14, and punching a plurality of second axial openings 15 on the second circular arc convex rib 14, as shown in fig. 2 or 6;
And a third step of: one end of the inner shell 2 with the first flanging hanging table 21 and the second flanging hanging table 22 is pressed into the butt-joint hole 11 of the outer shell 1, so that the outer shell 1 and the inner shell 2 are oppositely inserted and fixed together to form a group of metal shells.
In summary, in the method for manufacturing the metal shell of the opposite-plug type radio frequency connector, the metal shell 100 is divided into the outer shell 1 and the inner shell 2, and two-piece axial opposite-plug structures are formed by opposite-plug, so that the whole opposite-plug type radio frequency connector is convenient to assemble, and the assembly efficiency can be effectively improved; moreover, the outer shell 1 and the inner shell 2 are formed by metal through stamping and stretching, or the outer shell 1 is formed by metal through stamping and stretching, and the inner shell 2 is formed by metal through stamping and rounding.
It is understood that the foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, but rather is to be accorded the full scope of all such modifications and equivalent structures, features and principles as set forth herein.
Claims (6)
1. The opposite-plug type radio frequency connector comprises a metal outer shell (100), and is characterized in that the metal outer shell (100) comprises an outer shell (1) and an inner shell (2) which are formed by metal through stamping, stretching and forming or stamping and rounding, a butt joint hole (11) is formed in the inner wall of the end part of the outer shell (1), a convex ring part (12) is formed on the outer surface of the end part of the outer shell (1) at a position corresponding to the butt joint hole (11), and the end part of the inner shell (2) is pressed into the butt joint hole (11) so that the outer shell (1) and the inner shell (2) are opposite-plug fixed together;
One end of the inner shell (2) which is in butt joint with the outer shell (1) is punched from outside to inside to form a first flanging hanging table (21) and a second flanging hanging table (22) which are symmetrically distributed in two rows; the other end of the inner shell (2) opposite to the butt joint with the outer shell (1) is outwards bent to form a first arc-shaped convex rib (24), and a plurality of first axial openings (25) are formed in the circumferential direction of the first arc-shaped convex rib (24); the other end of the outer shell (1) opposite to the butt joint with the inner shell (2) is outwards bent to form a second arc-shaped convex rib (14), and a plurality of second axial openings (15) are formed in the circumferential direction of the second arc-shaped convex rib (14);
Further comprises:
An insulator assembly (3) comprising a first insulator (31) and a second insulator (32) respectively installed in the outer shell (1) and the inner shell (2), wherein a first butt joint hole is formed between the periphery of the first insulator (31) and the inner wall of the outer shell (1); a second butt joint hole is formed between the periphery of the second insulator (32) and the inner wall of the inner shell (2), and the end part of the second insulator (32) also stretches into the outer shell (1);
A center conductor (4), wherein both ends of the center conductor (4) are respectively inserted into the first insulator (31) and the second insulator (32); the central conductor (4) comprises a main body part (41), and a first elastic contact claw (42) and a second elastic contact claw (43) which are formed at two ends of the main body part (41) and are symmetrical to each other, wherein a first positioning ring (421) is formed on the first elastic contact claw (42), the first elastic contact claw (42) is inserted into the first insulator (31), and the first positioning ring (421) is clamped and positioned with the first insulator (31); the second elastic contact claw (43) is provided with a second positioning ring (431) in a molding mode, the second elastic contact claw (43) is inserted into the second insulator (32), and the second positioning ring (431) is clamped and positioned with the second insulator (32).
2. The pluggable radio frequency connector of claim 1, wherein: the inner shell (2) is provided with a positioning hole (23) formed beside the first flanging hanging table (21); the inner wall of the butt joint hole (11) is also stamped to form a plurality of positioning convex hulls (13), and the positioning convex hulls (13) are pressed into the positioning holes (23).
3. The pluggable radio frequency connector of claim 1, wherein: the outer shell (1) and the inner shell (2) are formed by punching and rounding through metal, and rounding seams of the outer shell (1) are connected by adopting at least one first dovetail buckle structure; the round wrapping seam of the inner shell (2) is connected by adopting at least one second dovetail buckle structure.
4. A counter-plug type radio frequency connector according to claim 3, wherein: the round wrapping seam of the inner shell (2) is also sealed and fixed by laser welding; the round wrapping seam of the outer shell (1) is also sealed and fixed by laser welding.
5. A method of making a metal shell for a plug-in radio frequency connector as defined in any one of claims 1-4, wherein: the method comprises the following steps:
The first step: manufacturing an inner shell (2), cutting a metal plate, punching and bending one side of the metal plate to form a first arc-shaped convex rib (24), and punching a plurality of first axial openings (25) on the first arc-shaped convex rib (24); two rows of symmetrically distributed first flanging hanging tables (21) and second flanging hanging tables (22) are formed on the other side of the metal plate in a punching and bending mode, and then the metal plate is fixed in a round wrapping mode to form a cylindrical structure so as to form an inner shell (2);
And a second step of: manufacturing an outer shell (1), cutting a metal plate, punching and bending one side of the metal plate to form a second arc-shaped convex rib (14), punching a plurality of second axial openings (15) on the second arc-shaped convex rib (14), and punching and bending the other side of the metal plate to form a groove body; fixing the metal plate in a round wrapping mode to form a cylindrical structure so as to form an outer shell (1), wherein the groove body surrounds the butt joint hole (11), and a convex ring part (12) is formed on the outer surface of the outer shell (1) at a position corresponding to the butt joint hole (11);
And a third step of: one end of the inner shell (2) with a first flanging hanging table (21) and a second flanging hanging table (22) is pressed into a butt joint hole (11) of the outer shell (1), so that the outer shell (1) and the inner shell (2) are oppositely inserted and fixed together to form a group of metal shells.
6. A method of making a metal shell for a plug-in radio frequency connector as defined in any one of claims 1-4, wherein: the method comprises the following steps:
The first step: preparing an inner shell (2), preparing a metal plate, stamping and stretching the metal plate to form a first cylindrical structure, stamping and bending one side of the first cylindrical structure to form a first circular arc-shaped convex rib (24), punching a plurality of first axial openings (25) on the first circular arc-shaped convex rib (24), punching and bending the other side of the first cylindrical structure to form two rows of symmetrically distributed first flanging hanging tables (21) and second flanging hanging tables (22), so as to form the inner shell (2); or preparing a metal tube, wherein the diameter and the wall thickness of the metal tube are equal to those of the inner shell (2), flanging one side of the metal tube outwards, inwards bending to form a first circular arc-shaped convex rib (24), punching a plurality of first axial openings (25) on the first circular arc-shaped convex rib (24), punching and bending the other side of the metal tube to form two rows of symmetrically distributed first flanging hanging platforms (21) and second flanging hanging platforms (22) so as to form the inner shell (2); or cutting a metal plate, punching and bending one side of the metal plate to form a first arc-shaped convex rib (24), and punching a plurality of first axial openings (25) on the first arc-shaped convex rib (24); two rows of symmetrically distributed first flanging hanging tables (21) and second flanging hanging tables (22) are formed on the other side of the metal plate in a punching and bending mode, and then the metal plate is fixed in a round wrapping mode to form a cylindrical structure so as to form an inner shell (2);
And a second step of: preparing an outer shell (1), preparing a metal plate, stamping and stretching the metal plate to form a second cylindrical structure, forming a convex ring part (12) at the position of the outer surface of the second cylindrical structure, forming a butt joint hole (11) in the convex ring part, stamping and bending one side of the second cylindrical structure to form a second circular arc convex rib (14), and punching a plurality of second axial openings (15) on the second circular arc convex rib (14) to form the outer shell (1);
And a third step of: one end of the inner shell (2) with a first flanging hanging table (21) and a second flanging hanging table (22) is pressed into a butt joint hole (11) of the outer shell (1), so that the outer shell (1) and the inner shell (2) are oppositely inserted and fixed together to form a group of metal shells.
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| CN201910686669.3A CN110444975B (en) | 2019-07-29 | 2019-07-29 | Opposite-plug type radio frequency connector and manufacturing method of metal shell thereof |
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| CN201910686669.3A CN110444975B (en) | 2019-07-29 | 2019-07-29 | Opposite-plug type radio frequency connector and manufacturing method of metal shell thereof |
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| US11799232B2 (en) | 2021-08-03 | 2023-10-24 | Panduit Corp. | Single pair ethernet coupler and adapter |
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| CN210379678U (en) * | 2019-07-29 | 2020-04-21 | 东莞市康硕电子有限公司 | Opposite-insertion type radio frequency connector |
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| JP2015018697A (en) * | 2013-07-11 | 2015-01-29 | 日立金属株式会社 | Coaxial cable connector, and antenna device |
| CN205509193U (en) * | 2016-03-09 | 2016-08-24 | 常州易泽科通信科技有限公司 | Rf adapter |
| US10658803B2 (en) * | 2016-05-12 | 2020-05-19 | Huber+Suhner Ag | Circuit board coaxial connector |
| CN207021416U (en) * | 2017-06-27 | 2018-02-16 | 镇江蓝箭电子有限公司 | A kind of millimeter wave adapter of high-axiality |
| CN208240919U (en) * | 2018-04-04 | 2018-12-14 | 江苏华吉通信科技有限公司 | A kind of split type RF coaxial adapters |
| CN109473837B (en) * | 2018-07-13 | 2023-09-26 | 上海雷迪埃电子有限公司 | Stamping stretching radio frequency connector |
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| CN210379678U (en) * | 2019-07-29 | 2020-04-21 | 东莞市康硕电子有限公司 | Opposite-insertion type radio frequency connector |
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