Light current cable connecting device
(1) technical field:
The present invention relates to the bindiny mechanism of light current cable, be specially a kind of light current cable connecting device.
(2) background technology:
Light current cable and weak electrical appliance, the bindiny mechanism that light current cable is connected with light current cable has multiple, as " piecing devices of weak electrical appliance and wire or wire and wire " patent of invention (application number: 200910134554.X) of the applicant's earlier application, comprise the nut that the screw rod that is provided with inner chamber and wire pass from central authorities, the insulator of hollow is provided with in the cavity of screw rod and nut, the inner cone that the central authorities of mating with wiring Outer Taper are porose is provided with in the mesopore of insulator, wire penetrates into inner cone from the central authorities of inner cone, after screw rod and nut are equipped with, wire is compressed between Outer Taper and inner cone, wire is communicated with appliance circuit.
In concrete use, there is following weak point in the piecing devices of this structure:
1, a large amount of consumptive material.
2, transmission signal is still decayed.
3, non-comprehensive engagement.
(3) summary of the invention:
For the deficiencies in the prior art, the object of the invention is to propose a kind of connect more convenient, contact-making surface wider tighter, level signal transmission resistance is less, deamplification is few, highly reliable, durable energy-conservation, the light current cable connecting device that can repeatedly use.
The light current cable connecting device that can realize above-mentioned purpose has several form.
1, light current cable connecting device, comprise swivel nut and by the sealed clamping element of swivel nut, described clamping element is shrink cover with the conduction taper be located in swivel nut, the running-on blind end that the big conical head end overlapped is limited in swivel nut is shunk in described conduction taper, described running-on blind end offers the perforating entered for cable core, and is provided with the insulator preventing conduction taper from shrinking cover and swivel nut conducting; Described swivel nut is connected with the screw rod be fixedly arranged on weak Electric Apparatus Chassis, the contact tube coaxially set firmly in the central shaft hole of described screw rod covers in weak Electric Apparatus Chassis and is connected with circuit board, the insulating case preventing both conductings is provided with between described conduction pipe box and screw rod, set firmly extruded sleeve in the trepanning of conduction pipe box, described extruded sleeve can offer expansion opening; Described swivel nut is locked on screw rod, described conduction taper is shunk in the bellmouth of the extruded sleeve of conelet head end cone jam-packed in conduction pipe box of cover, described conical orifice also can outward flanging, make extruded sleeve axial limiting in conduction pipe box end face, swivel nut and screw rod are locked and are screwed in process, the cone that cover is shunk in conduction taper is deeply entered in the bellmouth of extruded sleeve gradually, the bellmouth of extruded sleeve shrinks cover by the taper of axial retraction slot extruding conduction makes its radial contraction, thus parcel clamping is through cable core wherein.
The light current cable connecting device of described structure alonely can wrap up in the connection use of envelope curve core in light current prior art input port, solve the problem of signal attenuation of prior art.
2, light current cable connecting device, comprise the swivel nut and screw rod that mutually screw, and by swivel nut and the sealed clamping element of screw rod, difference is described clamping element is conduction pipe box and conduction taper contraction cover, described conduction pipe box is coaxially fixedly arranged in the central shaft hole of screw rod, the insulating case preventing both conductings is provided with between conduction pipe box and screw rod, described conduction taper shrinks the coaxial jam-packed of conelet head end cone of cover in the bellmouth of conduction pipe box, and the big conical head end of conduction taper contraction cover is squeezed in the running-on blind end of swivel nut; Described running-on blind end offers the perforating entered for one end cable core, and is provided with and prevents from conducting electricity taper and shrink the insulated ring of cover and screw rod and swivel nut conducting, and to conduct electricity pipe box be the wiring position of another cable core.
The light current cable connecting device of described structure mainly applies to the cable connection of on-the-spot not fixed position, swivel nut and screw rod are locked and are screwed in process, the cone of conduction taper contraction cover is extruded gradually deeply to be entered to conduct electricity in the bellmouth of pipe box, conduction pipe box shrinks cover by the taper of axial retraction slot extruding conduction makes its radial contraction, thus parcel clamping is through cable core wherein.
3, light current cable connecting device, comprise the swivel nut and screw rod that mutually screw, and by swivel nut and the sealed clamping element of screw rod, difference is described swivel nut is two, be combined on screw rod two ends respectively, described clamping element shrinks for conduction pipe box and the taper of two conductions and overlaps, and described conduction pipe box is coaxially fixedly arranged in the central shaft hole of screw rod, be provided with the insulating case preventing both conductings between conduction pipe box and screw rod, conduction pipe box two ends trepanning is bellmouth; Described conduction taper shrinks cover respectively with being located in contact tube cover two ends, conduction taper shrinks the relative jam-packed of little head end cone of cover in the bellmouth of conduction pipe box, the running-on blind end that the big conical head end overlapped is squeezed in corresponding swivel nut is respectively shunk in conduction taper, described running-on blind end is equipped with the insulated ring preventing conduction taper from shrinking cover and screw rod and swivel nut conducting, and described each running-on blind end all offers the perforating entered for corresponding end cable core.
The light current cable connecting device of described structure applies to the cable connection of on-the-spot not fixed position equally, two ends swivel nut and screw rod are locked and are screwed in process, the cone of two ends conduction taper contraction cover is extruded deeply to enter gradually conducts electricity in the bellmouth of pipe box, conduction pipe box extrudes two ends conduction taper by axial shrinkage groove simultaneously and shrinks cover, make its radial contraction, thus parcel clamps through cable core wherein respectively.
4, light current cable connecting device, comprise sleeve and by the sealed clamping element of sleeve, difference is described clamping element is shrink the core post in overlapping with the conduction taper contraction cover be located in sleeve with being located in conduction taper, and the big conical head end that cover is shunk in described core post afterbody and conduction taper is embedded in the insulator bottom sleeve; Described sleeve plug together or by threaded engagement in the jack of CATV terminal subscriber box, the nonproliferation hoop of omnidistance suit on the two halves circular core post sleeve of described jack center, set firmly extruded sleeve in the trepanning of described core post sleeve, conduction taper is shunk in the bellmouth of the extruded sleeve of conelet head end cone jam-packed in core post sleeve of cover.
5, light current cable connecting device, comprise overcoat, and by the sealed clamping element of overcoat, difference is described clamping element is shrink the core post in overlapping or cable core with the conduction taper contraction cover be located in overcoat with being located in conduction taper, the hollow screw of described overcoat back segment screws swivel nut, described conduction taper is shunk between cover and the leading portion sleeve pipe of overcoat and is provided with insulating case, the running-on blind end that the big conical head end overlapped is limited in described swivel nut is shunk in conduction taper, this running-on blind end offers the perforating allowing core post or cable core enter, and be provided with the insulated ring preventing conduction taper from shrinking cover and swivel nut conducting, the leading portion casing pipe sleeve of described overcoat plugs into BNC seat inner sleeve, plug-in mounting extruded sleeve in the center input hole of described BNC seat inner sleeve, the trepanning of described extruded sleeve is bellmouth, described conical orifice outward flanging, make extruded sleeve axial limiting in BNC seat inner sleeve end face, described conduction taper is shunk in the bellmouth of cover extruded sleeve in the input hole of BNC seat inner sleeve center together with core post or cable core jam-packed, the draw-in groove buckle that the wild card put in BNC seat and overcoat leading portion sleeve pipe are offered.
For ease of radial dilatation, uniformly on described extruded sleeve offer two or four axis expand groove.
Described conduction taper is shunk to put and is offered axial retraction slot.
With retraction slot radial symmetric, shrink to put in described conduction taper and offer axial contraction distortion seam, so that the radial contraction distortion of cover is shunk in conduction taper.The mouth of pipe of described conduction pipe box offers the groove being easy to conduction taper contraction cover and clamp-oning.
For realizing effectively wrapping up clamping to cable core, the big conical head end thickness that cover is shunk in described conduction taper is more than or equal to conelet head end thickness.
Advantage of the present invention:
1, weak current cable connector of the present invention is connected firmly, and anti-jolts loosening, be struck by lightning, make moist not oxidizable, loosen and disconnect, install faster, Signal transmissions ultimateization.
2, field connector of the present invention is transmitted in video, radio frequency and audio frequency, the connection successfully reducing historical multiple connection and do not fit, or disposable connection, signal is substantially unattenuated, and reception is good, sound and clear picture, picture is undistorted, bright in luster, also can turn brightness down, energy savings, reaches the ultimate attainment effect that screen high definition is gorgeous.
3, connector of the present invention reaches the most perfect transmission with the most small consumptive material.
4, the present invention be applicable to unification of three nets high definition line, moisture resistant oxidation connect, prevent different materials oxidation connection, anticorrosive (as strong acid, caustic soda etc.) oxidation connect, and miniature tiny connection, as computer, television set, mobile phone etc.
(4) accompanying drawing illustrates:
Fig. 1 is the structural representation of the first execution mode of the present invention.
Fig. 2 is the structural representation of the second execution mode of the present invention.
Fig. 3 is the structural representation of the third execution mode of the present invention.
Fig. 4 is the structural representation of the present invention's the 4th kind of execution mode.
Fig. 5 is the structural representation of the present invention's the 5th kind of execution mode.
Figure number identifies: 1, swivel nut; 2, screw rod; 3, conduction pipe box; 4, cover is shunk in taper of conducting electricity; 4-1, retraction slot; 4-2, contraction distortion seam; 5, cable core; 6, insulated ring; 7, weak Electric Apparatus Chassis; 8, circuit board; 9, insulating case; 10, sleeve; 11, core post; 12, insulator; 13, jack; 14, core post sleeve; 15, nonproliferation hoop; 16, BNC seat inner sleeve; 16-1, wild card; 17, overcoat; 18, extruded sleeve.
(5) embodiment:
Below in conjunction with accompanying drawing, multinomial technical scheme of the present invention is described further:
1, light current cable connecting device of the present invention comprises swivel nut 1 and by the sealed clamping element of swivel nut 1, described clamping element is conduction taper contraction cover 4, retraction slot 4-1 cover 4 offering an axis is shunk in described conduction taper, with retraction slot 4-1 radial symmetric, shrink contraction distortion seam 4-2 cover 4 also offering an axis in conduction taper, the big conical head end thickness that cover 4 is shunk in conduction taper is more than or equal to conelet head end thickness; Described conduction taper shrinks cover 4 with being located in swivel nut 1, the running-on corresponding to the swivel nut 1 of conduction taper contraction cover 4 big conical head end is closed, this running-on blind end arranges bowl-shape insulated ring 6 shrinks cover 4 and swivel nut 1 current lead-through with conduction taper of insulating, this running-on blind end offers the perforating allowing cable core 5 enter conduction taper contraction cover 4, run through conduction taper for ease of cable core 5 and shrink cover 4, the conelet head end diameter (under free state) of conduction taper contraction cover 4 is greater than the wire diameter of cable core 5, as shown in Figure 1.
Described swivel nut 1 screws with the screw rod 2 that weak Electric Apparatus Chassis 7 is fixedly connected with and is connected, conduction pipe box 3 is coaxially installed with in the central shaft hole of described screw rod 2 (for hollow structure), described conduction pipe box 3 enters in weak Electric Apparatus Chassis 7 and is connected with circuit board 8, the insulating case 9 preventing both conductings is provided with between described conduction pipe box 3 and screw rod 2, extruded sleeve 18 is set firmly in conduction pipe box 3, described extruded sleeve 18 can offer expansion opening, the endoporus of extruded sleeve 18 is bellmouth, described conical orifice also can outward flanging, makes extruded sleeve 18 axial limiting in conduction pipe box 3 end face; Described cable core 5 enters conduction taper from the perforating that swivel nut 1 running-on is closed and to shrink in cover 4 and to run through, conduction taper is shunk in the bellmouth of the extruded sleeve 18 of conelet head end jam-packed in conduction pipe box 3 of cover 4, swivel nut 1 and screw rod 2 screw, extruding promotes conduction taper contraction cover 4 and deeply enters gradually in the bellmouth of extruded sleeve 18, it is dead that cable core 5 is constantly held tightly hoop by radial direction compressing contraction by conduction taper contraction cover 4, realize the connection of cable core 5 and light current device internal wiring, as shown in Figure 1.
2, light current cable connecting device of the present invention, comprise the swivel nut 1 and screw rod 2 that mutually screw, and by swivel nut 1 and the sealed clamping element of screw rod 2, described clamping element is conduction pipe box 3 and conduction taper contraction cover 4, retraction slot 4-1 cover 4 offering an axis is shunk in described conduction taper, with retraction slot 4-1 radial symmetric, shrink contraction distortion seam 4-2 cover 4 also offering an axis in conduction taper, the big conical head end thickness of conduction taper contraction 4 is more than or equal to conelet head end thickness, conduction pipe box 3 and conduction taper contraction cover 4 is coaxially installed with in the central shaft hole of described screw rod 2 (for hollow structure), the insulating case 9 preventing both current lead-through is provided with between described conduction pipe box 3 and screw rod 2, described conduction taper shrinks the conelet head end cone jam-packed of cover 4 in the bellmouth of conduction pipe box 3, the big conical head end of conduction taper contraction cover 4 is squeezed in the running-on blind end of swivel nut 1, described running-on blind end is provided with the bowl-shape insulated ring 6 preventing conduction taper from shrinking cover 4 and swivel nut 1 and screw rod 2 current lead-through, this running-on blind end also offers the perforating allowing one end cable core 5 enter conduction taper contraction cover 4, for easy-to-connect, the bellmouth bottom lock end of described conduction pipe box 3 is as the terminals of cable core 5, run through conduction taper for ease of cable core 5 and shrink cover 4, the conelet head end diameter (under free state) that cover 4 is shunk in conduction taper is greater than cable core 5, as shown in Figure 2.
Described cable core 5 enters conduction taper from the perforating that swivel nut 1 running-on is closed and shrinks cover 4, this conduction taper shrinks the conelet head end cone jam-packed of cover 4 in the bellmouth of conduction pipe box 3, swivel nut 1 and screw rod 2 screw, extruding promotes this conduction taper contraction cover 4 and deeply enters to conduct electricity gradually in the bellmouth of pipe box 3, this conduction taper is shunk cover 4 and is constantly shunk by radial direction compressing and cable core 5 held tightly hoop extremely, realizes the connection of two ends cable core 5.
3, light current cable connecting device of the present invention, comprise the swivel nut 1 and screw rod 2 that mutually screw, and by swivel nut 1 and the sealed clamping element of screw rod 2, described swivel nut 1 is two, screw with screw rod 2 two ends respectively, described clamping element is conduction pipe box 3 and two conduction taper contraction covers 4, retraction slot 4-1 cover 4 all offering an axis is shunk in described each conduction taper, with retraction slot 4-1 radial symmetric, shrink contraction distortion seam 4-2 cover 4 also offering an axis in conduction taper, the big conical head end thickness that cover 4 is shunk in conduction taper is more than or equal to conelet head end thickness, conduction pipe box 3 and conduction taper contraction cover 4 is coaxially set firmly in the central shaft hole of described screw rod 2 (for hollow structure), the insulating case 9 preventing both current lead-through is provided with between described conduction pipe box 3 and screw rod 2, the two ends trepanning of conduction pipe box 3 is bellmouth, the conelet head end cone that cover 4 is shunk in described conduction taper is relatively also coaxially embedded in the bellmouth at conduction pipe box 3 two ends respectively, the big conical head end of each conduction taper contraction cover 4 is squeezed in the running-on blind end of corresponding swivel nut 1 respectively, described each running-on blind end is provided with the bowl-shape insulated ring 6 preventing conduction taper from shrinking cover 4 and swivel nut 1 and screw rod 2 current lead-through, each running-on blind end also offers the perforating allowing corresponding end cable core 5 enter corresponding conduction taper contraction cover 4, run through conduction taper for ease of cable core 5 and shrink cover 4, the conelet head end diameter (under free state) that cover 4 is shunk in conduction taper is greater than cable core 5, as shown in Figure 3.
Described two ends cable core 5 enters each self-corresponding conduction taper from the perforating that two swivel nut 1 running-on is closed and shrinks in cover 4, conduction taper is shunk in the bellmouth of the conduction pipe box 3 of cover 4 jam-packed in screw rod 2, two ends swivel nut 1 screws with screw rod 2 simultaneously, extruding promotes two ends conduction taper contraction cover 4 and deeply enters to conduct electricity gradually in the bellmouth of pipe box 3, it is dead that two ends cable core 5 is constantly held tightly hoop by radial direction compressing contraction by two ends conduction taper contraction cover 4 simultaneously, realizes the connection of two ends cable core 5.
4, light current cable connecting device of the present invention comprises sleeve 10, and by the sealed clamping element of sleeve 10, described clamping element is shrink cover 4 and the same core post 11 be located in conduction taper contraction cover 4 with the conduction taper be located in sleeve 10, the big conical head end that cover 4 is shunk in described core post 11 afterbody and conduction taper is embedded in the insulator 12 bottom sleeve 10, described conduction taper is shunk on cover 4 and is offered axial retraction slot 4-1, with retraction slot 4-1 radial symmetric, contraction distortion seam 4-2 cover 4 also offering an axis is shunk in conduction taper, the big conical head end thickness that cover 4 is shunk in conduction taper is more than or equal to conelet head end thickness, as shown in Figure 4.
The light current cable connecting device of described structure mainly applies to plug together with the jack 13 of CATV terminal subscriber box be connected, a core post sleeve 14 be made up of two semicircular ring body is fixedly arranged on jack 13 center, the nonproliferation hoop 15 of omnidistance suit on described core post sleeve 14, the young rear port in front end of described nonproliferation hoop 15 is slightly large, set firmly extruded sleeve 18 in the trepanning of core post sleeve 14, the trepanning of described extruded sleeve 18 is bellmouth; Described sleeve 10 plugs together with jack 13, core post 11 in sleeve 10 shrinks cover 4 together with conduction taper and squeezes in extruded sleeve 18 bellmouth in core post sleeve 14, along with going deep into of extruding, conduction taper shrink cover 4 gradually package clip stringing stem stem 11 in core post sleeve 14, described nonproliferation hoop 15 banding core post sleeve 14, prevent from two semicircular ring body to be extruded strut and cause plugging together inefficacy, final sleeve 10 is formed with jack 13 and firmly plugs together body.
For preventing the disengaging of sleeve 10 and jack 13, can adopt threaded engagement syndeton, way is the internal and external screw thread arranging cooperation in both faying face.
5, weak current cable connector of the present invention comprises overcoat 17, and by the sealed clamping element of overcoat 17, described clamping element is with the conduction taper contraction cover 4 be located in overcoat 17 with the core post 11 be located in conduction taper contraction cover 4 or cable core 5, described conduction taper is shunk on cover 4 and is offered axial retraction slot 4-1, with retraction slot 4-1 radial symmetric, contraction distortion seam 4-2 cover 4 also offering an axis is shunk in this conduction taper, the hollow screw 2 of described overcoat 17 back segment screws swivel nut 1, described conduction taper is shunk between cover 4 and the leading portion sleeve pipe of overcoat 17 and is provided with insulating case 9, the big conical head end of conduction taper contraction cover 4 is limited in the running-on blind end of described swivel nut 1, this running-on blind end offers the perforating allowing core post 11 or cable core 5 enter, and be provided with the insulated ring 6 preventing conduction taper from shrinking cover 4 and swivel nut 1 conducting, the leading portion casing pipe sleeve of described overcoat 17 plugs BNC seat inner sleeve 16 (being installed on digital VTR casing), plug-in mounting extruded sleeve 18 in the center input hole of described BNC seat inner sleeve 16, uniformly on extruded sleeve 18 offer two or four axis expand groove, the trepanning of described extruded sleeve 18 is bellmouth, described conical orifice outward flanging, make extruded sleeve 18 axial limiting in BNC seat inner sleeve 16 end face, described conduction taper is shunk in the bellmouth of cover 4 extruded sleeve 18 in the input hole of BNC seat inner sleeve 16 center together with core post 11 or cable core 5 jam-packed, and the draw-in groove 17-1 buckle that will the wild card 16-1 in BNC seat inner sleeve 16 and overcoat 17 leading portion sleeve pipe offer, overcoat 17 is firmly connected with BNC seat inner sleeve 16, as shown in Figure 5.
Overcoat 17 and insulating case 9 can be removed from, make conduction taper shrink cover 4 package clip stringing stem stem 11 or cable core 5 directly in the input hole of wedging BNC seat inner sleeve 16 center extruded sleeve 18 bellmouth in, coupling monitoring wiring.
The jockey accessible site of the various structure of the present invention, in being wholely set, realizing bull, multi-direction cable connects.