The application requires to enjoy in the U.S. Provisional Patent Application No.60/578 that submitted on June 10th, 2004,730 priority, and its disclosure is combined in herein by reference and fully.
Embodiment
Now will more fully describe the present invention with reference to accompanying drawing hereinafter, show illustrative embodiment of the present invention in the accompanying drawing.In the accompanying drawings, for the purpose of clear, the relative size of zone or feature can be amplified.Yet the present invention can many different forms embody, and should not be regarded as being limited to embodiment described here; On the contrary, provide these embodiment to make that present disclosure will be more thorough and complete, and will fully pass on scope of the present invention to those of skill in the art.
Should understand, when element be called as " connect " or " connect " on another element the time, it can directly connect or be connected on other element, perhaps may also there be medium element, on the contrary, when element be called as " directly connect " or " directly connect " on another element the time, just do not have medium element.Similar label is represented element similar in whole accompanying drawings.Term " used herein and/or " comprise any combination of one or more cited relevant items and all combinations.
In addition, the word of space correlation, for example " under the ", " below the following " of ", ", the last " of ", " or the like can here be used to make describe and is relatively easy to purpose above the ", so as to describe as shown in the figure element or feature with respect to the relation of another element or feature.Should understand that the word of space correlation is intended to comprise device different orientations except directed shown in the figure when using or operate.For example, if the device among the figure is turned, be called as so and be positioned at the " top " that the element of " below other element or feature " below " or the " will be oriented in described other element or feature.Thereby " can comprise the orientation of above and below under the exemplary word ".Device can otherwise carry out orientation (revolve turn 90 degrees or be in other orientation), and the words of description of employed space correlation here should be done corresponding understanding.
For purpose succinctly and/or clearly, can not be described in detail well-known function or structure.
Here employed term only is used to describe the purpose of specific embodiment, and is not intended to limit the present invention.Unless point out significantly in the literary composition, otherwise employed here singulative " one ", " of " and this " of " are intended to also comprise plural form.Also should understand, the word " of Shi Yonging comprises that " and/or " comprise " in the present invention, stipulated the existence of described feature, integral body, step, operation, element and/or parts, but do not get rid of one or more further features, the existence of integral body, step, operation, element, parts and/or its combination or increase.
Unless done qualification, employed here all terms (comprising technology and scientific terminology) all have with the present invention under the identical connotation understood of those of ordinary skill in the field.Also should understand, unless clearly limit in this article, otherwise such as those words that in normally used dictionary, defines, have the connotation that conforms to its connotation in the context of association area, and will not remove to understand these words with Utopian or excessive formal meaning with being understood that.
Here employed word " drain wire " means the uninsulated lead in the cable, and it contacts with the pipe of radome, for example metal forming or the braiding of cable on the overwhelming majority of its length.
Referring to Fig. 1-8, shown jack assemblies 100 according to the shielding of the embodiment of the invention.Jack assemblies 100 is operably connected and is installed on the cable 10 (for example, the FTP cable), thereby forms terminated cable 101.Jack assemblies 100 is suitable for operating to be accepted with the relevant modular plug 30 (Fig. 1 and 2) of cable 38 (as shown in Figure 2), and link with it, thereby the continuity between cable 10 and 38 is provided, so that mode transmission of electric signals or the like between them of knowing with oneself.As described in more detail below, jack assemblies 100 provides the EMI/RFI between the interconnecting cable 10,38 shielding.Jack assemblies 100 also provides the continuity between the drain wire of the drain wire 14 of cable 10 and cable 38 and/or installation panel 50 or the like.Plug 30 also can be conductively-closed.Jack assemblies 100 and plug 30 can form connector system 5 (Fig. 1-3) together, and it is used in for example structuring and applies formation connection in the cable.
Plug 30 can be pursuant to be submitted on June 10th, 2004, attorney docket is the applicant's of No.9457-17PR U.S. Provisional Patent Application sequence number No.60/578, disclosed in 642, and the attorney docket of submitting to simultaneously be the invention people of No.9457-17 for people's such as Gordon U.S. Patent Application Serial Number-----in the disclosed plug-assembly that constitutes, its disclosure is combined in herein by reference and fully.
Jack assemblies 100 has front end 104 and rear end 106, and defines EMI/RFI radome 102 (Fig. 1 and 3), and it extends to rear end 106 continuously from front end 104.Jack assemblies 100 comprises casing assembly 110 (Fig. 5 and 6), canister assembly 150, and the thread take-up means 170 that adopts jack sleeve or clip (clip) form.Case member or jack frame 120 in before casing assembly 110 comprises, case member or IDC shell 130 in the back, and carriage 140.Canister assembly 150 comprises a pair of tank component 152,154, and it surrounds the part of IDC shell 130 and carriage 140 and jack frame 120.Jack sleeve 170 centers on the part of jack frame 120 and extends rearward in the canister assembly 150.As described in more detail below, pass canister assembly 150 after bring in and receive cable 10, and cable 10 is engaged with carriage 140 and jack sleeve 170.
Jack frame 120 in more detail, and jack frame 120 extends to rear end 120B (Fig. 4) from front end 120A.Jack frame 120 comprises main part 122, and it defines the jack 124 that is suitable for accepting plug 130.Main part 122 has the lock pin feature 126A (Fig. 1) that is arranged in jack 124, and it is suitable for engaging releasedly with the lock pin feature 36 of plug 30, thereby plug 30 is fixed in the jack 124.Side lock pin contact pin 126B extends laterally out from main part 122.Side lock pin contact pin 126B can be suitable for jack assemblies 100 for example is fixed on sheet frame or the installation panel.Lock pin contact pin 126C (Fig. 5) extends out from the rear end of main part 122, and defines groove.As described in more detail below, metal layer M1 has covered main part 122.
IDC shell 130 is connected on the jack frame 120 by contact pin 132A, and contact pin 132A engages (Fig. 5) with groove among the contact pin 126C.
Carriage 140 is fixed on (Fig. 3) on the IDC shell 130 by column 141.Carriage 140 is fixed on (Fig. 4) on the jack frame 120 by clip 144.Carriage 140 defines groove 142, is used to accept the conductor part 12 of cable 10.Insulation displacement connector (IDC) etc. is arranged in the groove 142, and provides at conductor part and be installed in electric continuity (Fig. 1) between the respective contacts 108 on the carriage 140.Contact 108 configurations also are positioned in the jack 124, so that engage with the respective contacts of plug 30 when being engaged in plug 30 in the jack assemblies 100.
Referring to Fig. 1, tank component 152,154 defines front end 150A, rear end 150B, front openings 150C and the back cable openings 150D of canister assembly 150.Each tank component 152,154 comprises main part 156, and tank component 152,154 is fixed on lock pin 160 on the jack frame 120, and a tank component is fixed on lock pin 162 on another tank component, neck 164, and flange 166.Tank component 152 has the metal layer M2 that covers its main part 156.Tank component 154 has the metal layer M3 that covers its main part 156.Canister assembly 150 defines the chamber 151 (Fig. 3) that keeps casing assembly 110.
As among Fig. 4 best shown in, jack sleeve 170 comprises top strap-like member or main part 171 and the isolated sidewall 172 that extends out forward from main part 171 arbitrary ends.Define lockhole 172A in the sidewall 172, it accepts lock pin feature 126B, so that jack sleeve 170 is fixed on the jack frame 120.Flexible spring contact pin 174 extends inward into jack 124 or passes jack 124 from sidewall 172.Bridging part 176 extends rearward to the pair of connectors contact pin 178A from main part 171, defines groove 178B between this is to connector contact pin 178A.Connector contact pin 178A and groove 178B generally can be constructed to IDC.In bridging part 176, define the second groove 178C.In bridging part 176, formed groove 176A.
According to some embodiments of the present invention, the length E of contact pin 178A (Fig. 6) is between about 0.130 to 0.125 inch.According to some embodiment, the nominal width F (Fig. 4) of groove 178B is between about 0.005 to 0.015 inch.According to some embodiment, as shown in the figure, the degree of depth of groove 176A is equal to the length of contact pin 178A basically.
According to some embodiment, the nominal thickness T4 of jack sleeve 170 (Fig. 3) is between about 0.012 to 0.008 inch.According to some embodiment, the width G of sidewall 172 (Fig. 5) between about 0.325 to 0.315 inch, and (Fig. 6) the width H of main part 171 between about 0.185 to 0.195 inch.
Jack sleeve 170 can be made up of any suitable electric conducting material.According to some embodiment, jack sleeve 170 by metal for example steel form.Jack sleeve 170 can form by any suitable method, for example is stamped to form by sheet metal.
Main part 122, IDC shell 130, carriage 140 and tank component main body 156 can be made up of any suitable dielectric material or electric insulation or non electrically conductive material.Suitable material comprises polymer or plastics, for example the blend of Merlon, ABS and/or PC/ABS.Parts 122,130,140 and 156 can be molded.According to some embodiment, each parts 122,130,140 and 156 is made of single single piece.
Metal layer M1, M2, M3 can be coated on the corresponding parts 120,156 by any suitable method.Metal layer M1, the outer surface that M2, M3 can coating members 122,156, the inner surface of a coating member 122,156, perhaps as shown in the figure, the inner surface of coating member 122,156 and outer surface.Metal layer M1, M2, M3 are combined on the surface of parts 122,156.Metal layer M1, M2, M3 can be formed by any suitable material, for example the copper of stainless steel, gold, nickel plating, silver, silver-plated copper, nickel, nickeline, copper or aluminium.Metal layer M1, M2, M3 can form and apply by any suitable technique.Suitable technique can comprise no electropaining plating, electroplate coating, conduction coating and/or vacuum metallization processes coating.According to some embodiment, metal level M1, M2, M3 utilize electroless plating and the nickel-clad copper layer that applies.According to some embodiment, with reference to Fig. 3, metal layer M1, M2, M3 respectively have the thickness T 1 that is no more than 240 microinch, T2, T3.According to some embodiment, thickness T 1, T2, T3 is between about 20 to 240 microinch.According to some embodiment, thickness T 1, T2, T3 is between about 40 to 120 microinch.
According to embodiments of the invention, can jack assemblies 100 be assembled and be installed on the cable 10 following mode.Cable 10 can be the cable of any adequate types.As shown in the figure, cable 10 comprises sheath 18, surrounds the plastic film pipe of drain wire 14, the shielded tube 16 of tubulose, and a plurality of conductor part 12 twisted pair wires (for the purpose of clear, not showing conductor part 12 in Fig. 3).Shielded tube 16 as shown is metal forming radome (for example, be laminated on the plastic film backing metal forming); Yet shielded tube 16 can be the metallic shield pipe of braiding etc.Conductor part 12 can respectively comprise the electric conductor that is surrounded by the corresponding insulation layer.Should understand, can adopt the cable of other type.
By contact pin 126C and clip contact pin 132A are engaged, and the respective openings on clip 144 and the jack frame 120 is engaged, carriage 140 can be fixed on the IDC shell 130, be fixed to afterwards on the jack frame 120, thereby form casing assembly 110.Jack sleeve 170 can be installed on the casing assembly 110 afterwards, and go up by making side lock pin contact pin 126B engage to fix in place with hole 172.
The sheath 18 of cable is pulled back or prunes, make metal forming 16 folded, thereby conductor part 12 is come out to inflection.As shown in Figure 6, for example utilize instrument or cap that conductor part 12 is pressed in the groove 142, and the IDC in forcing it and being positioned at groove 142 engage.In Fig. 6, shown the conductor part 12 after having pruned excessive conductor length.
Drain wire 14 is sent to the groove 178B top of IDC178.Drain wire 14 is forced to be pressed into groove 178B, among the 178C, makes IDC178 capture drain wire 14, as shown in Figure 7.By utilize instrument for example screwdriver 58 drain wire 14 is pressed among the groove 176A, can force drain wire 14 to enter among the IDC178.Can prune drain wire 14 as shown in Figure 7 then.
Afterwards, tank component 152,154 is installed on the casing assembly 110, makes lock pin 160 and jack frame 120 interlockings, and make lock pin 162 interlocked with one another.After-opening 150D can be processed to form interference fit with cable 10.
Terminated cable 101 can be installed in installation panel 50, for example in the opening 52 of terminal block, as shown in Figure 8.Lock pin contact pin 126B can get up with the corresponding lock pin feature (not shown) interlocking of installation panel 50.Installation panel 50 can comprise metal layer M4 or other ground plane or structure.Metal layer M4 can carry out ground connection by frame etc.When jack assemblies 100 was installed in the opening 52, sidewall 172 can engage with metal layer M4, thereby the electric continuity between drain wire 14 and metal layer M4 is provided.
As mentioned above, jack assemblies 100 termination that shielding is provided be connected.Metal layer M1, M2, M3 is as metal screen layer, and it is combined and extends to rear end 106 from front end 104.The radome that is formed by metal layer M1 is a tubulose.Similarly, metal layer M2 and M3 combine and form the radome of tubulose.
As shown in the figure, layer M2, M3 can be overlapped with layer M1.According to some embodiment, the length of lap J (Fig. 3) is at least 0.20 inch.Jack sleeve 170 also can form the part of tubular shielding cover 102.The metal forming 16 of canister assembly 150 and cable 110 overlapping with contact, thereby electric continuity between metal forming 16 and the canister assembly 150 is provided.Also provide overlapping between the tubular shielding cover that is limited by metal forming 16 and canister assembly 150 overlapping between metal forming 16 and the canister assembly 150, to guarantee the continuity of radome.According to some embodiment, canister assembly 150 and metal forming 16 are overlapping at least 0.25 inch distance C (Fig. 3).
In preceding method, jack assemblies 100 provides continuous basically tubular shielding cover 102, and it extends to rear end 106 or overlapping with metal forming 16 from front end 104.That is to say, from terminal 104 to terminal 106 360 shieldings of spending are provided.According to some embodiment, has about at least 80% integrality (promptly not having opening) from terminal 104 radomes 102 (Fig. 1 and 3) that extend to end 106.According to some embodiment, radome 102 from terminal 104 to terminal 106 has about at least 95% integrality.
By metal layer M1, M2, the radome that M3 forms can come ground connection in any suitable manner.But the drain wire 14 of cable 10 and/or the drain wire ground connection of cable 38.Metal layer M2, M3 contacts with metal forming 16, thereby the electric continuity with metal forming is provided.Metal layer M1 can with metal layer M2, one of them metal layer among the M3 or this two metal layers and/or jack sleeve 170 contact, thereby provide ground connection to connect.
Jack sleeve 170 provides the electric continuity between the contact pin 174 in drain wire 14 and jack 124.The appropriate section that contact pin 174 is suitable for the plug cover 34 on the shell 32 with plug 30 engages.Contact pin 174 can be spring biased, to guarantee the definite and contact fully between contact pin 174 and the plug cover 34.34 of plug covers are connected electrically on the drain wire of cable 38.In this way, connector system 5 provides the electric continuity between the respective row streamline of cable 10 and 38, but wherein one or these two of cable 10 and 39 ground connection all.Jack sleeve 170 also can provide and the metal level M4 of installation panel 50 or the electric continuity of other ground structure.
Jack sleeve 170 can be configured to satisfy the continuity standard of required traditionally or desired drain wire.According to some embodiment, jack sleeve 170 has been introduced the resistance from drain wire 14 to about 20 milliohms of being no more than of contact contact pin 174.According to some embodiment, jack sleeve 170 and plug cover 34 have been introduced the resistance that is no more than about 40 milliohms of 38 drain wires from drain wire 14 to cable together.According to some embodiment, jack sleeve 170 has been introduced about 1 ohm resistance that is no more than of from drain wire 14 to sidewall 172 parts, and described sidewall 172 parts are configured to and can engage with the ground plane or the structure of installation panel 50.
It should be noted that relatively thin metal layer M1, M2, M3 possibly can't provide sufficient or standard compliant continuity individually between drain wire 14 and jack 124 or installation panel 50.But this function can mainly or basically fully be provided by jack sleeve 170.
According to some embodiment, 170 of jack sleeves provide few EMI/RFI shielding for jack assemblies 100.On the contrary, function of shielding is mainly by relatively thin and lighter metal layer M1, M2, and M3 provides.Thereby drain wire 14 terminate at the parts that most of function of shielding is provided on the different parts.According to some embodiment, jack sleeve 170 16 has surrounded below 50% of jack assemblies 100 from front end 104 to metal forming.According to some embodiment, jack sleeve 170 has surrounded below 15% of jack assemblies.
Jack assemblies 100 can comprise the modular jack that meets applied code.Jack assemblies 100 of the present invention, terminated cable 101 and connector system 5 can be specially adapted to the high-speed data transmission circuit, for example, comprise the twisted pair wire (for example, FTP cable) of shielding.Yet jack assemblies of the present invention, terminated cable and connector system also can be used for the cable of other type.Jack assemblies 100 can be the socket of RJ-type.According to some embodiment, jack assemblies 100 is RJ45 sockets, and jack 124 is perforates (promptly being configured to operationally accept the RJ45 modular plug) of RJ45.According to some embodiment, jack assemblies 100 meets following at least one of them standard: International Electrotechnical Commission (IEC) (IEC), telecommunications industry federation (TIA) and Electronic Industries Association (EIA).According to some embodiment, jack assemblies 100 meets wherein that at least one is applicable to the aforesaid standards of RJ45 socket.
Jack assemblies 100 can provide many advantages that oneself knows jack assemblies that are better than.Metal layer M1, M2, M3 can be applicable on the jack housing of various different geometries with relative less jack sleeve 170.Metal layer can be applicable to different geometries with comparalive ease, and can not increase the size or the weight of case member basically.Thereby, can carry out metalized to the shell that satisfies given standard, so that shielding to be provided, and need not revise the structure of shell.Similarly, jack sleeve 170 can be suitable for assembling or be assembled in the various shells through remodeling, thereby does not need to change shell.With the radome of the jack sleeve that for example forms by metal comparatively speaking, use metallized plastic components that significant cost savings can be provided.
According to other embodiments of the invention, can make various changes to the method and apparatus of front, and its various features or aspect can utilize not having under the condition of further feature.For example, the metal shield member that can utilize alternate manner to form replaces or additional one or more metal layer M1, M2, M3.For example, according to some embodiment, metal screen layer can adopt the form of one or more stamped metal covers.Similarly,, can utilize the jack sleeve that comprises the column that is used for substituting IDC178 etc., replace jack sleeve 170 according to some embodiment.
Referring to Fig. 9, it has shown the connector system that comprises jack assemblies 200 6 according to other embodiments of the present invention.Except following aspect, jack assemblies 200 is constructed according to the mode identical with jack assemblies 100 and is formed.Metal layer M1, M2, M3 has been omitted.Jack frame main part 222, tank component 252 and tank component 254 each metal filled polymer composites that freely conduct electricity form.Metal filled polymer elements 222,252,254 provides and radome 102 corresponding EMI/RFI radomes 202.
Parts 222,252,254 metal filled polymer can be identical or different.Can adopt any suitable polymers and metal.Metallic stuffing can be in any suitable level to polymer ratio.Suitable polymers can comprise the blend of Merlon, ABS and/or PC/ABS.Suitable metal can comprise stainless steel, nickel and/or copper.Amount of metal in the metal filled polymer or density and distribution should be enough to the electric continuity that provides required, thereby the EMI/RFI shielding of desired level is provided.
Parts 222,252, wherein one or more parts of 254 can additionally be provided with and metal layer M1, the corresponding metal layer of M2 or M3.The many aspects of jack frame assembly 100,200 are combinable, make parts 222,252, and wherein one or more parts of 254 are made up of metal filled polymer, and as an alternative, wherein one or more parts also can be provided with metal layer.
According to some embodiment, available thread take-up means replaces or additional jack sleeve (for example jack sleeve 170), and this thread take-up means is not wound on and/or is clipped on the casing assembly (for example casing assembly 110).For example, the extensible casing assembly that passes of thread take-up means.
Shielding socket assembly according to the present invention can form can have watertightness or waterproof.According to some embodiment, for example can between tank component 152,154 and/or jack frame 120, provide rubber washer.
Noted earlier is to be used for the present invention is illustrated, and does not think restricted to the present invention.Though described exemplary embodiment of the present invention, not it will be appreciated by those skilled in the art that not breaking away from novelty of the present invention basically and tell about under the condition of content and advantage, can carry out many modifications to exemplary embodiment.Therefore, all these remodeling all are intended to be included in the scope of the present invention.Therefore, should understand that noted earlier is to be used for the present invention is illustrated, and is not considered to only be confined to disclosed specific embodiment, and is intended to remodeling and other embodiment of disclosed embodiment are comprised within the scope of the invention.