CN104733877A - Coaxial radio frequency cable adaptor - Google Patents
Coaxial radio frequency cable adaptor Download PDFInfo
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- CN104733877A CN104733877A CN201510151270.7A CN201510151270A CN104733877A CN 104733877 A CN104733877 A CN 104733877A CN 201510151270 A CN201510151270 A CN 201510151270A CN 104733877 A CN104733877 A CN 104733877A
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- shell
- cable
- adapter
- cone
- radio frequency
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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
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/01—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the form or arrangement of the conductive interconnection between the connecting locations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
- H01R11/07—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations being of the same type but different sizes
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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
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/02—Soldered or welded connections
- H01R4/023—Soldered or welded connections between cables or wires and terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/20—Connectors or connections adapted for particular applications for testing or measuring purposes
Abstract
The invention provides an adaptor for thick-thin coaxial radio frequency cables. The coaxial radio frequency cable adaptor comprises a shell which is of a ladder transition structure, adaptor components arranged in the shell and adaptor accessories located on the two ends of the adaptor; the adaptor components comprise a core connection pipe, an insulator, an insulating ring, compensating pieces and a pressing sleeve which all make close contact with one another. The core connection pipe is connected with the thick cable core wire and the thin cable core wire in a soldering tin brazing mode, the insulator and the core connection pipe and the shell which are connected with the insulator are arranged outside the core connection pipe, and the large compensating piece and the small compensating piece are arranged between the thick end and the thin end of the core connection pipe and insulating layers of the thick cable and the thin cable; the fastening connection between the adaptor and the thick cable and the thin cable is achieved through the adaptor accessories such as spacing cones, clamp springs, locking ring sleeves, plug screws and the like. According to the coaxial radio frequency cable adaptor, multistage ladder compensation transition is adopted for cable adaptation from the thick cable to the thin cable, a fastened solid structure is formed by the adaptor components in the shell of the adaptor and the shell after the cables are connected, and the coaxial radio frequency cable adaptor has the advantages that the cable adaptation reflection coefficient is small and the adaptation state is stable and reliable.
Description
Technical field
The present invention relates to a kind of cable adapter, especially can be used for the larger thick cable of diameter difference and Thin cable is transferred, and transit point Signal transmissions reflection coefficient is little, the coaxial radio frequency cable adapter that switching state is solid and reliable.
Background technology
Often want application length longer in Precision Pulse signal (intermediate frequency is or/and very high frequency(VHF)) Distance Test system and the thicker coaxial radio frequency cable of cable size (external diameter is greater than 22mm, be called for short thick cable), (external diameter is less than 12mm to connect the shorter and coaxial radio frequency cable that cable size is thinner of measuring equipment normal application length, be called for short Thin cable), test request thick cable switching Thin cable must control transit point and have lower reflection coefficient, and switching state is solid and reliable.Mostly be to adopt for coaxial radio frequency cable switching in prior art, in the end of thick cable and Thin cable, multi-form cable connector be installed respectively, then switching requirement is realized by being interconnected of cable connector, the connected mode of its connector mainly contains bayonet socket and connects, pushes the forms such as crimping, all belongs to separable flexible connection.Splices cable process is complicated, and switching cost is high, and connection status and the transit point reflection coefficient of the rear thick cable of switching and Thin cable all can not completely reliably control, and cannot meet thick cable switching Thin cable instructions for use in Precision Pulse signal Distance Test system.
Summary of the invention
The object of the present invention is to provide a kind of coaxial radio frequency cable adapter of directly transferring for thick cable and Thin cable, the low reflection of the thick cable that the external diameter used to be applied to Precision Pulse signal Distance Test differs greatly and Thin cable is reliably transferred.
A kind of coaxial radio frequency cable adapter, Splices cable for different-diameter from coarse to fine needs, be provided with the switching ladder of the ladder cylindricality formula of more than 1 grade, concrete structure parts comprise shell, adapter sleeve, be arranged at and connect the adaptor assemblies such as core pipe, dielectric, compensating plate, pad cone in shell and adapter sleeve, and are arranged at the adapter accessory at adaptor assembly two ends; The shell taper end of described adapter arranges chlamydate extension component gland, and gland is overlapped mutually to fasten by identical the first half covers of structure and the second half and formed; Described dielectric comprises the extension component dead ring of insulator and insulator, and dead ring is mutually fastened by identical the first semi-ring of structure and the second semi-ring and formed; Described compensating plate divides large compensation sheet and little compensating plate, pad cone point large pad cone and pulvinulus cone; Described adapter accessory comprises large jump ring, little jump ring, large holding jacket, little holding jacket, large plug screw, little plug screw; The annexation of each parts of adapter is: adopt scolding tin brazing mode to connect thick cable heart yearn and Thin cable heart yearn by connecing core pipe, described in connect the outer extension component dead ring being provided with insulator and insulator from coarse to fine of core pipe; Shell is inserted in from insulator taper end and passes through large pad cone and is connected with thick cable outer conductor; Dead ring is outside equipped with gland, by gland extruding insulation ring, dead ring is closely fastened with the taper end radial direction connecing core pipe; Gland is outside equipped with adapter sleeve, and described adapter sleeve and shell are threaded connection, and compresses gland by the extrusion structure arranged in adapter sleeve; Be connected to form the dielectric of adapter by insulator and its extension component dead ring, dielectric fills up the radial space connecing core pipe and shell and extension component gland thereof and formed; Thin cable outer conductor is by pulvinulus cone and gland compact siro spinning technology; Be provided with large compensation pad between described insulator and thick cable insulating barrier, between dead ring and Thin cable insulating barrier, be provided with little compensate gasket; The connecting end surface of adapter sleeve and shell is provided with sealing ring and makes adaptor assembly and extraneous seal isolation; Between each assembly being realized adapter by described large jump ring, little jump ring, large holding jacket, little holding jacket, the large adapter such as plug screw, little plug screw accessory and adapter and the axial compact siro spinning technology between thick cable and Thin cable; Each member in tight in adapter is made to be connected to form entity structure by the extruding of adapter sleeve and adapter accessory.
The switching ladder of ladder cylindricality formula in described adapter, every 1 grade of switching ladder includes the core switching ladder that 1 grade of shell switching ladder being arranged at the inwall of shell and 1 grade are arranged at the outer wall connecing core pipe, every 1 grade of core switching ladder and 1 grade of shell ladder of transfer is corresponding and axially to stagger a segment distance to adapter butt end, is formed mis-registry compensation with the ladder electric capacity of the switching ladder to adapter formation of transferring from coarse to fine; The distance that described insulator staggers corresponding to shell switching ladder and core switching ladder, is provided with the mis-registry compensation section of more than 1 section.
The ladder electric capacity that described coaxial radio frequency cable adapter is connected to form for adapter and thick cable and Thin cable, be respectively arranged with large compensation sheet and little compensating plate, the straight-flanked ring of logical form during large compensation sheet and little compensating plate are, the internal diameter of straight-flanked ring is identical with corresponding thick cable heart yearn and/or Thin cable heart yearn external diameter respectively, and the external diameter of straight-flanked ring is identical with the butt end of insulator and/or taper end external diameter respectively.Straight-flanked ring thickness is connected formed ladder capacitance size by adapter with thick cable and/or Thin cable and determines.
The external diameter of the described external diameter and Thin cable heart yearn that connect core pipe two ends correspondence thick cable heart yearn offers thick cable heart yearn jack and Thin cable heart yearn jack along the axle center connecing core pipe two ends, the hole wall of thick cable heart yearn jack and Thin cable heart yearn jack all offers the hand-hole of scolding tin.
The shell switching ladder that on the inner and outer wall of described insulator, the corresponding core connect on core pipe is transferred on ladder and shell is provided with the inside and outside coaxial interior step of more than one-level and outer step, step and outer step one_to_one corresponding in every one-level, the relative outer step of interior step axially staggers to insulator butt end, and the axial direction part staggered therebetween forms the mis-registry compensation section on insulator.
Described insulator is tightly placed in the butt end connecing core pipe, and the butt end end of insulator is concordant with the butt end end connecing core pipe; Described shell is from after insulator is inserted in, and its taper end end is concordant with the taper end end of insulator.
The extension component dead ring of described insulator is straight cylinder structure, and exhausted annulus is fastened on and connects core pipe taper end, and its one end is connected with insulator, and the other end is concordant with connecing core pipe taper end end.
The extension component gland center of described shell is provided with insulated hole, insulated hole is through hole, the length of gland is the length of dead ring and little compensate gasket thickness sum, and gland to be fastened on exhausted annulus by insulated hole and to compress exhausted annulus, and the outer wall of gland is set to pyramidal structure.
In described shell, corresponding being connected with described large pad cone is connected step, and thick cable outer conductor, by large pad cone and the tight crimping being connected step, forms the connection with the shell of adapter.
Described large pad cone for back taper structure and in logical pad, the large pad axis of cone is to being divided into cone and pad two parts, the internal diameter of described cone is identical with the external diameter of thick cable insulating barrier, cone inserts the internal layer of thick cable outer conductor, described pad is axially vertical with centrum, and the connection step of pad and shell connects.
The structure of described pulvinulus cone is bored substantially identical with padding greatly, and pulvinulus is bored for connecting Thin cable outer conductor and gland.
The connecting end surface of described adapter sleeve and shell is provided with sealing ring; The inside, connectivity port of adapter sleeve is provided with the sealing surface of sealing ring.
The link inwall of described adapter sleeve and shell is provided with shell screw thread, the correspondence position of the outer wall of gland is provided with the compressive plane of taper, adapter sleeve is connected with shell by shell screw thread, the extrusion structure of adapter sleeve to gland is formed by the compressive plane of shell screw thread and taper, by the conical outer wall of compressive plane extruding gland, promote taper end end face and the dead ring compact siro spinning technology of gland and shell; Be provided with between shell screw thread and compressive plane and locate for extruding and seal the positioning step of locating.
The adapter accessories such as described large jump ring, large holding jacket, large plug screw are used for the large pad cone in shell, large compensation sheet, insulator and thick cable to extrude and be fastenedly connected, wherein large jump ring with large pad to bore to coordinate compress thick cable outer conductor; Large jump ring one end outer wall is tapered and offer spring groove, large holding jacket is the tapered cylinder of one end inwall, be connected with shell by large plug screw, promoting large holding jacket makes each member in tight in shell connect, and extrudes large jump ring simultaneously make the spring groove on large jump ring narrow and fix thick cable by large holding jacket.
The adapter accessories such as described little jump ring, little holding jacket, little plug screw are used for the pulvinulus of adaptor assembly taper end cone, little compensating plate, dead ring and Thin cable to be fastenedly connected.Wherein the structure of little jump ring, little holding jacket, little plug screw is with large jump ring, large holding jacket, plug screw is substantially identical greatly.
Inside described shell butt end, outside taper end and inside the two ends port of adapter sleeve, be provided with screw thread, shell, adapter sleeve be interconnected and shell, adapter sleeve are screw thread with the connection of large plug screw, little plug screw and are fixedly connected with.
The afterbody of described plug screw is set to hexagonal structure, and the outer surface of described shell and adapter sleeve is also respectively arranged with kilocalorie jaw and lesser calorie jaw, and the large plug screw of adapter, shell, adapter sleeve, little plug screw are tightened mutually by clamp.
Shell, adapter sleeve, insulator, dead ring, the gland of described coaxial radio frequency cable adapter, connect core pipe, large compensation sheet, little compensating plate and all adapter accessories and be all coaxially connected with thick cable and Thin cable.
Described core pipe, shell, adapter sleeve, gland and the adapter accessory of connecing is made by brass, wherein connects core pipe, shell, adapter sleeve, gland, pads silver-plated 3 ~ 5 microns of cone, pulvinulus poppet surface greatly.
Described large compensation sheet, little compensating plate and insulator, dead ring are made by polytetrafluoroethylmaterial material.
Described sealing ring is fluorine glue round section joint ring.
Advantage of the present invention is:
A. each parts of adapter and adopt screw thread squeeze flow and welding manner with the connection of cable, the signal transmission medium of adapter comprises shell, gland, pad are bored and are connect core pipe and make by entity brass, described insulator, the dielectric of dead ring and the compensate gasket of comprising is made by entity polytetrafluoroethylmaterial material, adapter is made to form compact internal structure ground entity structure by adapter sleeve and adapter accessory, this entity structure makes adapter for having sound construction, the advantage that using state is solid and reliable in the switching of thick cable and Thin cable.
B. adapter is for Splices cable from coarse to fine, take the ladder transition of more than 1 grade, transfer transition steps and adapter and cable are connected to form to the ladder of formation, mis-registry compensation and compensate gasket is taked to compensate the compensation way of two kinds of ladder electric capacity respectively, this frame mode makes adapter little for having transmission reflection coefficient in Signal transmissions, the advantage that signal attenuation is low.
C. each modular construction of adapter comprises ladder rod structure, cylindrical structure, pyramidal structure, it is simple that these frame modes make adaptor member have processing technology, production cost is low, is easy to the feature ensureing machining accuracy, can ensure the quality of production of adapter from design.
Accompanying drawing explanation
Fig. 1 is coaxial radio frequency cable adaptor structure schematic diagram of the present invention;
Fig. 2 is the shell half sectional view in the present invention;
Fig. 3 is the adapter sleeve half sectional view in the present invention;
Fig. 4 is the insulator half sectional view in the present invention;
Fig. 5 a is the exhausted annulus front view in the present invention;
Fig. 5 b is that the A-A of Fig. 5 a is to cutaway view;
Fig. 6 a is the gland front view in the present invention;
Fig. 6 b is that the A-A of Fig. 6 a is to cutaway view;
Fig. 7 connects core tubular construction schematic diagram in the present invention;
Fig. 8 is the large pad wimble structure schematic diagram in the present invention;
Fig. 9 is the large jump ring half sectional view in the present invention;
Figure 10 is the large holding jacket half sectional view in the present invention;
Figure 11 a is the SYV-50 coaxial radio frequency cable end construction schematic diagram after treatment used in the embodiment of the present invention;
Figure 11 b is the SYV-50 coaxial radio frequency cable end construction schematic diagram after treatment used in the embodiment of the present invention;
Diagram, 1. The big mat cone (2) large compensation 3. 4 core line insulators 5. Insulation ring 6. Pressing sleeve 10. Seal 11. Small pads cone 12. Small compensation 16. Big plug 17. Tight set of 18, 19 kcal spring. Shell 26. The small plug 27 small tight set of 28 small circlip 29 connected set of 31 in thick cable 32. Fine cable 101. Cone 102. The pad body 301. Thick cable core socket 302. Injection hole I in 303. The core switching ladder 304. The injection hole II 305. The fine cable core socket 305. Displacement compensation section 402. The steps in 403. The steps outside 501. In the first half ring 502. In the second half ring 601. The first half of 602. In the second half of 603. The insulation hole 1801. The spring slot 1901. Shell transfer ladder 1902. Connection step 1903. Big calipers port 2901. The extruding faces 2902. The positioning step 2903. Small calipers port 2904. The shell thread 3101. Thick cable insulation layer 3102. Thick cable outer conductor 3103. The thick cable conductor 3201. Fine cable insulation layer 3202. Fine cable outer conductor 3203. Fine cable core.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described
Embodiment 1
Fig. 1 is coaxial radio frequency cable adaptor structure schematic diagram of the present invention, and Fig. 2 is the shell half sectional view in the present invention;
Fig. 3 is the adapter sleeve half sectional view in the present invention, Fig. 4 is the insulator half sectional view in the present invention, Fig. 5 a is the exhausted annulus front view in the present invention, Fig. 5 b is that the A-A of Fig. 5 a is to cutaway view, Fig. 6 a is the gland front view in the present invention, Fig. 6 b is that the A-A of Fig. 6 a is to cutaway view, Fig. 7 connects core tubular construction schematic diagram in the present invention, Fig. 8 is the large pad wimble structure schematic diagram in the present invention, Fig. 9 is the large jump ring half sectional view in the present invention, Figure 10 is the large holding jacket half sectional view in the present invention, Figure 11 a is the SYV-50 coaxial radio frequency cable end construction schematic diagram after treatment used in the embodiment of the present invention, Figure 11 b is the SYV-50 coaxial radio frequency cable end construction schematic diagram after treatment used in the embodiment of the present invention, as shown in Fig. 1 ~ 11, the invention provides one be applied to connect coaxial radio frequency cable SYV-50-17(thick cable 31) with SYV-50-7(Thin cable 32) coaxial radio frequency cable adapter.Comprise shell 19, adapter sleeve 29 and be arranged at and connect the adaptor assemblies such as core pipe 3, dielectric, compensating plate, pad cone in shell 19 and adapter sleeve 29, and be arranged at the adapter accessory at adaptor assembly two ends.The design principle of described adapter is: adapter is by the switching ladder of more than 1 grade ladder cylindricality formula, realize the Splices cable of different-diameter from coarse to fine, to each parts of adapter inside, the corresponding extruding of design and fastening structure, between each assembly making adapter and adapter and compact siro spinning technology between thick cable 31 and Thin cable 32, thus adapter is made to form Stability Analysis of Structures, entity structure that Signal transmissions reflection coefficient is little at the transit point that thick cable 31 and Thin cable 32 are transferred.In the actual use of adapter, existing ladder comprises the inner switching ladder from coarse to fine of adapter and is connected produced connection ladder with adapter with thick cable 31 and Thin cable 32, to the ladder electric capacity of adapter for producing in Signal transmissions that these two kinds of ladders cause, mis-registry compensation section 401 is set respectively and compensate gasket compensates.Described adaptor member comprises: shell 19, adapter sleeve 29 and be arranged at and connect the adaptor assemblies such as core pipe 3, dielectric, compensating plate, pad cone in shell 19 and adapter sleeve 29, and is arranged at the adapter accessory at adaptor assembly two ends, shell 19 taper end of described adapter is provided with the extension component gland 6 of shell 19, and gland 6 is mutually fastened by identical the first half covers 601 of structure and the second half covers 602 and formed, described dielectric comprises the extension component dead ring 5 of insulator 4 and insulator, and dead ring is mutually fastened by identical the first semi-ring 501 of structure and the second semi-ring 502 and formed, described compensating plate divides large compensation sheet 2 and little compensating plate 12, pad cone point large pad cone 1 and pulvinulus cone 11, described adapter accessory comprises large jump ring 18, little jump ring 28, large holding jacket 17, little holding jacket 27, large plug screw 16, little plug screw 26, sealing ring 10, the annexation of each parts of adapter is: adopt scolding tin brazing mode to connect thick cable heart yearn 3103 and Thin cable heart yearn 3203 by connecing core pipe 3, describedly connect the extension component dead ring 5 that core pipe 3 is outside equipped with insulator 4 and insulator 4, insulator 4 is tightly placed in the butt end connecing core pipe 3, and the butt end end of insulator 4 is concordant with the butt end end connecing core pipe 3, described shell 19 is inserted in from the taper end of insulator 4 to butt end, and is connected with thick cable outer conductor 3102 by large pad cone 1, and the taper end end of shell 19 is concordant with the taper end end of insulator, described switching ladder and mis-registry compensation section are embodied in the core switching ladder 303 of the shell switching ladder 1901 being arranged on shell 19 inwall and the outer wall connecing core pipe 3, and shell 19 and the interior step 402 on connecing between core pipe 3 insulator 4 and outer step 403, the length of described mis-registry compensation section 401 is determined by the ladder capacitance size of this grade of switching ladder, described dead ring 5 one end is connected with insulator, and the other end is concordant with the taper end end connecing core pipe 3 is fastened on the taper end connecing core pipe 3, dead ring 5 is outside equipped with gland 6, and described gland 6 is extension components of shell 19, the tapered structure of gland 6 outer wall, makes dead ring 5 and the taper end compact siro spinning technology connecing core pipe 3 by the extruding of gland 6, gland 6 is outside equipped with adapter sleeve 29, described adapter sleeve 29 is provided with shell screw thread 2904 with the link inwall of shell 19, the correspondence position be connected with gland 6 is provided with the compressive plane 2901 of taper, the extrusion structure of adapter sleeve 29 pairs of glands 6 is made up of shell screw thread 2904 and compressive plane 2901, in adapter sleeve 29 is connected with shell 19, by extrusion structure pushing gland 6, the taper end end face of gland 6 and shell 19 and dead ring 5 are connected and (design adapter sleeve 29, dead ring 5, the object of gland 6 to make the connection of the connection of adapter and thick cable 31 and Thin cable 32 carry out respectively, thus make the connection of each parts in adapter tightr), adapter sleeve 29 and the connecting end surface of shell 19 are provided with sealing ring 10, the inside, connectivity port of adapter sleeve 29 is provided with the sealing surface 2905 of sealing ring, being provided with for extruding the positioning step 2902 located and seal and locate between shell screw thread 2904 and compressive plane 2901, overlapping being tightly connected of the squeezed tight of 29 pairs of glands 6 and adapter sleeve 29 and shell 19 by positioning step 2902 control connection, large compensation pad 2 is provided with between described insulator 4 and thick cable insulating barrier 3101, described large compensation sheet 2 external diameter is identical with the butt end external diameter of insulator 4, internal diameter is identical with thick cable heart yearn 3103 external diameter, thick cable heart yearn 3103 is connected with the butt end connecing core pipe 3 through large compensation sheet 2, and the end face of thick cable insulating barrier 3101 is close to large compensation sheet 2 and is connected, little compensate gasket 12 is provided with between dead ring 5 and Thin cable insulating barrier 3201, the external diameter of described little compensating plate 12 is identical with the taper end external diameter of insulator 4, internal diameter is identical with the external diameter of Thin cable heart yearn 3203, and Thin cable heart yearn 3201 is connected with the taper end connecing core pipe 3 through little compensating plate 12, straight-flanked ring logical during described large compensation sheet 2 and little compensating plate 12 are, straight-flanked ring thickness to be connected ladder by connector ladder capacitance size with respective cable determines, thick cable outer conductor 3102 is compressed with shell 19 by large pad cone 1 and is connected, and Thin cable outer conductor 3202 is bored 11 by pulvinulus and to be compressed with gland 6 and be connected, described large jump ring 18, little jump ring 28, large holding jacket 17, little holding jacket 27, the large adapter accessory such as plug screw 16, little plug screw 26 are by between each assembly of adapter and adapter and being fastenedly connected between thick cable 31 and Thin cable 32.
In the present embodiment, 2 grades of switching ladders are provided with in described adapter inside, its specific constructive form is: the inwall of shell 19 is provided with 2 grades of shell switching ladders, shell switching ladder 1901 is wherein 1 grade, the outer wall connecing core pipe 3 be provided with 2 grades corresponding and transfer ladder to axially the stagger core of a segment distance of adapter butt end with shell ladder of transferring, core ladder 303 of transferring is wherein 1 grade; At shell 19 with connect and to be provided with connected with outer casing 19 and the insulator 4 connecing core pipe 3 between core pipe 3, the distance that insulator 4 staggers corresponding to shell switching ladder 1901 and core switching ladder 303, be provided with 2 sections of mis-registry compensation sections, mis-registry compensation section 401 is wherein one section, described 2 sections of mis-registry compensation sections are embodied in step and 2 grades of outer step in 2 grades on insulator on insulator 4, interior step 402 and outer step 403 are wherein 1 grade, compensate by 2 sections of mis-registry compensation sections the ladder electric capacity that in adapter, corresponding 2 grades of switching ladders are formed;
The external diameter of the described external diameter and Thin cable heart yearn 3203 that connect core pipe 3 two ends correspondence thick cable heart yearn 3103 offers thick cable heart yearn jack 301 and Thin cable heart yearn jack 305 along the axle center connecing core pipe 3 two ends, hole wall offers respectively hand-hole I 302 and the hand-hole II 304 of scolding tin injection.
Described mutually fastened the dead ring 5 formed by the first semi-ring 501 and the second semi-ring 502 be straight cylinder structure, and its internal diameter and external diameter are identical with external diameter with the taper end internal diameter of insulator 4 respectively;
Described gland 6 center is provided with insulated hole 603, insulated hole 603 is through hole, the internal diameter of insulated hole 603 is identical with the external diameter of dead ring 5, and the length of gland 6 is length and the little compensate gasket 12 thickness sum of dead ring 5, and gland 6 to be fastened on exhausted annulus 5 by insulated hole 603 and to compress exhausted annulus 5.
In described shell 19 except being provided with shell switching ladder, be also provided with the connection step 1902 be connected with described large pad cone 1, thick cable outer conductor 3102, by large pad cone 1 and the tight crimping being connected step 1902, forms the connection with shell 19; Described large pad cone 1 be with back taper structure and in logical pad, pad is axially divided into cone 101 and pad 102 two parts, described cone 101 inserts the internal layer of thick cable outer conductor 3102, the internal diameter of cone 101 identical with thick cable insulating barrier 3101 external diameter and with thick cable outer conductor 3102 good contact, connection step 1902 squeeze flow of described pad 102 and shell 19; The structure of described pulvinulus cone 11 is with pad cone 1 greatly substantially identical, and pulvinulus cone 11 is for connecting Thin cable outer conductor 3202 and gland 6, and Thin cable outer conductor 3202 is by the connection of the taper end end face of pulvinulus cone 11 and gland 6 formation and shell 19.
The adapter accessories such as described large jump ring 18, large holding jacket 17, large plug screw 16 are used for large pad cone 1, large compensation sheet 2, insulator 4 and thick cable 31 extruding in shell 19 to be fastenedly connected, and wherein large jump ring 18 coordinates compress thick cable outer conductor 3102 with the large cone 1 that pads; One end outer wall of large jump ring 18 is tapered and offer 8 spring grooves, spring groove 1801 is one of them, large holding jacket 17 is the tapered cylinder of one end inwall, large holding jacket 17 is promoted by large plug screw 16, each member in tight in shell 19 is connected, makes the spring groove on large jump ring 18 narrow and fix thick cable 31 by extruding simultaneously; The adapter accessories such as described little jump ring 28, little holding jacket 27, little plug screw 26 are used for the pulvinulus of adaptor assembly taper end cone 11, little compensating plate 12, dead ring 5 to be fastenedly connected with Thin cable 32.Wherein the structure of little jump ring 28, little holding jacket 27, little plug screw 26 and purposes and large jump ring 18, large holding jacket 17, large plug screw 16 are substantially identical, extrude fixing Thin cable 32 by little jump ring 28.
Shell 19, adapter sleeve 29, insulator 4, dead ring 5, the gland 6 of described coaxial radio frequency cable adapter, connect core pipe 3, large compensation sheet 2, little compensating plate 12 and all adapter accessories and be all coaxially connected with thick cable 31 and Thin cable 32.
Inside the butt end of described shell 19, outside taper end and inside the two ends port of adapter sleeve 29, be provided with screw thread, shell 19, adapter sleeve 29 be interconnected and shell 19, adapter sleeve 29 are all fixedly connected with by screw thread with the connection of large plug screw 16, little plug screw 26.
The afterbody of described plug screw is set to hexagonal structure, the outer surface of described shell 19 and adapter sleeve 29 is also respectively arranged with kilocalorie jaw 1903 and lesser calorie jaw 2903, and the large plug screw 16 of adapter, shell 19, adapter sleeve 29, little plug screw 26 are tightened mutually by clamp.
Described core pipe 3, shell 19, adapter sleeve 29, gland 6 and the adapter accessory of connecing is made by brass, wherein connects core pipe 3, shell 19, adapter sleeve 29, gland 6, large pad cone 1, pulvinulus bore 11 electroplate 3 ~ 5 microns; Described large compensation sheet 2, little compensating plate 12 and insulator 4 are made by polytetrafluoroethylmaterial material, and described sealing ring 10 is fluorine glue round section joint rings.
Embodiment 2
Present embodiments provide one be applied to connect coaxial radio frequency cable SYV-50-23(thick cable) with SYV-50-7(Thin cable) coaxial radio frequency cable adapter, its structure is substantially the same manner as Example 1, difference is: adapter inside is provided with 3 grades of switching ladders, correspondingly wall is provided with 3 grades of shell switching ladders in the enclosure, and the outer wall connecing core pipe is provided with 3 grades of core switching ladders; The insulator that shell and connecing is arranged between core pipe is provided with 3 sections of mis-registry compensation sections; The internal diameter of the large pad cone cone in adaptor assembly is identical with SYV-50-23 thick cable insulating barrier external diameter.
Claims (10)
1. a coaxial radio frequency cable adapter, comprise shell (19), connect core pipe (3), dielectric, compensating plate, adapter sleeve (29), pad cone, and adapter accessory, it is characterized in that: the switching ladder being provided with more than 1 grade ladder cylindricality formula in described adapter, comprise shell switching ladder (1901) that is arranged on shell (19) inwall and be arranged on connect core pipe (3) outer wall, and shell transfer ladder (1901) one to one core to transfer ladder (303); Described dielectric is made up of the extension component dead ring (5) of insulator (4) and insulator (4), described shell (19) taper end is provided with the extension component gland (6) of shell (19), and dielectric fills up the radial space connect between core pipe (3) and adapter shell (19) and gland (6); The connecting end surface of described dielectric two ends and thick cable (31) and Thin cable (32) is provided with large compensation sheet (2) and little compensating plate (12); The inwall of described adapter sleeve (29) and shell (19) link is provided with extrusion structure, by the extruding of adapter sleeve (29) and adapter accessory, makes each member in tight in adapter be connected to form entity structure; Described pad cone comprise pad greatly cone (1) and pulvinulus cone (11); Described adapter accessory comprises large jump ring (18), little jump ring (28), large holding jacket (17), little holding jacket (27), large plug screw (16), little plug screw (26), sealing ring (10).
2. coaxial radio frequency cable adapter according to claim 1, it is characterized in that: described in connect every one-level core switching ladder (303) on core pipe (3) and the shell on corresponding shell (19) ladder (1901) of transferring and stagger to adapter butt end axis and have a distance, the distance staggered is identical with the length of the mis-registry compensation section (401) on described insulator (4).
3. coaxial radio frequency cable adapter according to claim 1, it is characterized in that: described in connect core pipe (3) and adopt scolding tin brazing thick cable heart yearn (3103) and Thin cable heart yearn (3203), connect the corresponding external diameter of thick cable heart yearn (3103) in core pipe (3) two ends and the external diameter of Thin cable heart yearn (3203) offers thick cable heart yearn jack (301) and Thin cable heart yearn jack (305) along the axle center connecing core pipe (3) two ends, the hole wall of thick cable heart yearn jack (301) and Thin cable heart yearn jack (305) offers the hand-hole I(302 of scolding tin) and hand-hole II(304).
4. coaxial radio frequency cable adapter according to claim 1, it is characterized in that: on the inner and outer wall of described insulator (4), correspondence connects core switching ladder (303) on core pipe (3), shell switching ladder (1901) on shell (19) is respectively arranged with interior step (402), outer step (403) coaxial inside and outside more than one-level, step (402) and outer step (403) one_to_one corresponding in every one-level, the axial direction part between interior step and outer step forms the mis-registry compensation section (401) on insulator.
5. coaxial radio frequency cable adapter according to claim 1, it is characterized in that: described dead ring (5) is mutually fastened on by the first semi-ring (501) and the second semi-ring (502) taper end connecing core pipe (3) and forms, dead ring (5) is straight cylinder structure, one end of exhausted annulus (5) is connected with insulator (4), and the other end is concordant with the taper end end connecing core pipe (3).
6. coaxial radio frequency cable adapter according to claim 1, it is characterized in that: described gland (6) is mutually fastened on exhausted annulus (5) by the first half covers (601) and the second half covers (602) and goes up and formed, and the length of gland (6) is length and little compensating plate (12) the thickness sum of dead ring (5); Described gland (6) is fastened on exhausted annulus (5) and goes up and compress exhausted annulus (5), and the outer wall of gland (6) is pyramidal structure.
7. coaxial radio frequency cable adapter according to claim 1, is characterized in that: the connection of described adapter sleeve (29) and shell (19) is for being tightly connected, and adapter sleeve (29) is provided with sealing ring (10) with the connecting end surface of shell (19); The sealing surface (2905) of sealing ring (10) is provided with inside the connectivity port of adapter sleeve (29).
8. coaxial radio frequency cable adapter according to claim 1, is characterized in that: the shell screw thread (2904) that the extrusion structure in described adapter sleeve (29) comprises with shell (19) connects and the compressive plane (2901) of the taper corresponding with the outer wall of gland (6); Be provided with between shell screw thread (2904) and compressive plane (2901) for extruding the positioning step (2902) located and seal and locate.
9. coaxial radio frequency cable adapter according to claim 1, is characterized in that: described large pad cone (1) be with back taper structure and in logical pad, pad greatly cone (1) axis and be divided into cone (101) and pad (102) two parts; The internal diameter of described cone (101) is identical with the external diameter of thick cable insulating barrier (3101); Described pad (102) is axially vertical with centrum (101), connection step (1902) squeeze flow of pad (102) and shell (19); The structure of described pulvinulus cone (11) with pad greatly bore (1) substantially identical; The shell (19) of adapter and gland (6) pass through to pad greatly cone (1), pulvinulus cone (11) is connected with thick cable outer conductor (3102), Thin cable outer conductor (3202) respectively, the shell (19) of adapter and gland (6) respectively with pad greatly bore (1), pulvinulus bores (11) and is connected, pad greatly cone (1), pulvinulus cone (11) be connected with thick cable outer conductor (3102), Thin cable outer conductor (3202).
10. coaxial radio frequency cable adapter according to claim 1, it is characterized in that: described in connect core pipe (3), shell (19), adapter sleeve (29), gland (6), pad cone (1) greatly, pulvinulus cone (11), large jump ring (18), little jump ring (28), large holding jacket (17), little holding jacket (27), large plug screw (16), little plug screw (26) make by brass, wherein connect core pipe (3), shell (19), adapter sleeve (29), gland (6), pad cone (1) greatly, that the top layer of (11) bored by pulvinulus is silver-plated; Described insulator (4), dead ring (5), large compensation sheet (2), little compensating plate (12) are made by polytetrafluoroethylene.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510151270.7A CN104733877B (en) | 2015-04-02 | 2015-04-02 | A kind of coaxial radio frequency cable adapter |
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| CN201510151270.7A CN104733877B (en) | 2015-04-02 | 2015-04-02 | A kind of coaxial radio frequency cable adapter |
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| CN104733877B CN104733877B (en) | 2016-10-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106505330A (en) * | 2016-12-12 | 2017-03-15 | 云南电网有限责任公司红河供电局 | Quick plug-in conduction wire clamp |
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| CN106505330A (en) * | 2016-12-12 | 2017-03-15 | 云南电网有限责任公司红河供电局 | Quick plug-in conduction wire clamp |
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| CN104733877B (en) | 2016-10-05 |
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