Summary of the invention
The present invention cannot effectively eliminate contact resistance in order to solve existing electric connector, structure be easily distorted or rotation and sealing poor, use safe and reliable not problem and propose a kind of simple in structure, can be for some connections that need to continue between cable, transmit large current signal, the severe occasion of environment for use provides the reliable guarantee of work, safe and reliable direct-connected connecing without the plug cable electric connector that continues.
The present invention is achieved by the following technical solutions:
Above-mentioned direct-connected connecing without the plug cable electric connector that continues, comprises continue terminal and be connected in the continue locking member at terminal two ends of described cable of cable; The described cable terminal that continues is assembled by inner wire, pedestal, outer conductor, snap ring and terminal sealing circle; Described locking member is formed by sealing swivel nut, cable lock sleeve, locking nut, sheath sealing ring and the sheath locking member assembly connection that can pass successively for cable; Described inner wire is arranged in the inside of described pedestal and two ends and is zero contact resistance formula and is connected respectively with between the cable heart yearn of described cable; Described pedestal is located between described inner wire and outer conductor, and it is limited in the inner side of described outer conductor by described snap ring; Described outer conductor is shell structure, and its coupling is installed in the outside of described pedestal, and two ends all can mate that to be socketed on described sealing swivel nut one end inner and all by described terminal sealing circle, seal; Described sealing swivel nut is located at described cable lock sleeve and cable continues between terminal; Described sealing swivel nut one end coupling is sheathed on outside, described outer conductor one end, and the other end is zero distortion with described cable lock sleeve one end or zero rotary type is connected; The other end of described cable lock sleeve is connected with described locking nut one end coupling; Described sheath locking member is located at the other end of described locking nut, and it comprises sheath locking nut and cable jacket; Described sheath locking nut is threaded connection on described cable jacket; Described cable jacket inside is hollow and can passes for described cable; Described cable sealing ring is located between described cable lock sleeve and locking nut; Described sheath sealing ring is sheathed on described cable jacket and by described sheath locking nut extruding and lock onto described locking nut other end inner side.
Described direct-connected connecing without the plug cable electric connector that continues, wherein: described inner wire axially offers respectively wire inserting slot along both ends of the surface, described cable heart yearn coupling is inserted in described wire inserting slot and connects by crimping or welding manner.
Described direct-connected connecing without the plug cable electric connector that continues, wherein: described sealing swivel nut one end outer wall is evenly provided with many anti-skidding ribs, and other end inwall is provided with a plurality of anti-rotation grooves.
Described direct-connected connecing without the plug cable electric connector that continues, wherein: described cable lock sleeve one end outer wall is evenly provided with many anti-skidding ribs, and other end outer wall is evenly provided with a plurality of anti-rotation boss; Being connected of described anti-rotation boss and described anti-rotation groove, makes described cable lock sleeve Matching installation inner in the described sealing swivel nut other end.
Described direct-connected connecing without the plug cable electric connector that continues, wherein: described sheath sealing ring one end margin stretches out and forms the limit portion that prolongs; The described limit portion that prolongs compresses the described locking nut other end end face of contact by described sheath locking nut.
Described direct-connected connecing without the plug cable electric connector that continues, wherein: described outer conductor is cylindrical shell structure, its outer wall middle part is outwards Vertical Uniform along periphery and protrudes out formation annular relief; The outer circumference face of described annular relief is evenly provided with many anti-skidding ribs, and two ends end face is symmetry along circumference respectively and offers fitting recess; Described outer conductor one port inner wall is outwards and vertically extends to form boss along periphery, and another port inwall offers stopper slot along periphery.
Described direct-connected connecing without the plug cable electric connector that continues, wherein: described terminal sealing circle coupling is embedded in described fitting recess; Described snap ring coupling is embedded in described stopper slot.
Described direct-connected connecing without the plug cable electric connector that continues, wherein: the rectangular step surface structure in one end of described pedestal and matching with described boss; Described boss and described snap ring axial limiting are passed through respectively in the inside of outer conductor in the two ends of described pedestal.
Beneficial effect:
The present invention is direct-connected connect without plug cable continue electric connector structure simplicity of design, rationally and cost low, it is simple, convenient that each structure member is installed; First, by cable heart yearn and inner wire, adopt directly zero contact resistance formula to be connected, can make directly to link together between cable heart yearn and inner wire, thereby guarantee the safe and reliable of electrical signal transfer, even if having out of doors also to there will not be looseningly compared with the occasion of big bang, impact, be connected to each other Reliable guarantee is provided between cable for needs cable continues.Next, because cable lock sleeve and sealing swivel nut have adopted anti-rotation structure, be zero distortion or zero rotary type connection each other, guaranteed that cable there will not be common short circuit phenomenon while connecting.Moreover, owing to having adopted split sealing means to be connected between continue at cable terminal and cable, be that outer conductor two ends all can mate that to be socketed on described sealing swivel nut one end inner and all by terminal sealing circle, seal, guaranteed the continue reliability of water-tight between terminal and cable of cable.Meanwhile, because adopted sheath sealing ring and sheath locking member, thereby guarantee to need out of doors cable and the cable jacket of docking safe and reliablely to link together, and can flexibly, conveniently select as required length of cable.Total can be for some connections that need to continue between cable, transmit large current signal, the severe occasion of environment for use provides the reliable guarantee of work, the reliably working connecting for the extraordinary signal of telecommunication docking of this class cable provides solid foundation, is suitable for propagation and employment.
Embodiment
As shown in Figures 1 to 4, the present invention is direct-connected to be connect without the plug cable electric connector that continues, and is applied to electric wire and continues, and comprises continue terminal 1 and be connected in the continue locking member 2 at terminal 1 two ends of cable of cable.
Wherein, locking member 2 inside also can be mated and worn cable 3, and this cable 3 can pass with the cable terminal 1 that continues and be connected from the inner coupling of locking member 2; In the present embodiment, this cable 3 is comprised of two cable heart yearns 31 and the anti-sheath 32 that is coated on cable heart yearn 31 outsides.
The cable terminal 1 that continues comprises inner wire 11, pedestal 12, outer conductor 13, snap ring 14 and terminal sealing circle 15.
This inner wire 11 is arranged in pedestal 12 inside, and it is made and axially offer respectively wire inserting slot 111 along both ends of the surface for metallic conductor, and this wire inserting slot 111 matches with the cable heart yearn 31 of cable 3; Wherein, in the present embodiment, this inner wire 11 is arranged in a pair of of pedestal 12 inside for axial symmetry, and it is all column structure and all adopts the copper material of function admirable to make; The inner surface nickel plating of this wire inserting slot 111 in the present embodiment, gold are to improve contact reliability.
Pedestal 12 couplings are installed between inner wire 11 and outer conductor 13, the rectangular step surface structure in its one end; Wherein, the split-type structural of this pedestal 12 for therefrom not disconnecting in the present embodiment, it adopts the PPS engineering plastics of function admirable to make.
Outer conductor 13 couplings are installed in pedestal 12 outsides, it is cylindrical shell shape structure, outer wall middle part is outwards Vertical Uniform along periphery and protrudes out formation annular relief 131, the outer circumference face of this annular relief 131 is evenly provided with many anti-skidding ribs, and two ends end face is symmetry along circumference respectively and offers fitting recess 132; These outer conductor 13 1 port inner walls are outwards and vertically extend to form boss 133 along periphery, and another port inwall offers stopper slot 134 along periphery; Wherein, this boss 133 matches and is connected with one end right angle platform terrace of pedestal 12.In the present embodiment, this outer conductor 13 adopts the aluminium alloy of function admirable, and surface black is oxidized to improve protection reliability.
Snap ring 14 coupling is embedded in the stopper slot 134 of outer conductor 13, by the boss 133 of this snap ring 14 and outer conductor 13 one end inwalls, by pedestal 12 axial limitings in the inside of outer conductor 13.In the present embodiment, this snap ring 14 adopts the copper material of function admirable to make and plating nickel on surface.
Terminal sealing circle 15 is embedded at a pair of in the two ends end face fitting recess 132 of outer conductor 13 for symmetrical coupling, and wherein, in the present embodiment, this terminal sealing circle 15 adopts high performance silicon rubbers to make.
Locking member 2 is symmetrical cable a pair of of terminal 1 two ends that continue that be installed in, and each locking member 2 includes sealing swivel nut 21, cable lock sleeve 22, locking nut 24, sheath sealing ring 25 and sheath locking member 26.
Sealing swivel nut 21 is located at cable lock sleeve 22 and cable continues between terminal 1; Wherein, the structure of sealing swivel nut 21 for being connected as a single entity by two sections of cylindricality swivel nuts, its one end swivel nut coupling is sheathed on continue terminal 1 outside, one end and outer wall of cable and is also evenly provided with many anti-skidding ribs, and other end swivel nut is connected with one end of cable lock sleeve 22 and inwall is provided with anti-rotation groove.In the present embodiment, sealing swivel nut 21 other end inwalls are provided with six anti-rotation grooves, and it adopts the aluminum alloy materials of function admirable to make and surface black is oxidized to improve protection reliability.
This cable lock sleeve 22 is located between sealing swivel nut 21 and locking nut 24; One end of this cable lock sleeve 22 is connected in sealing swivel nut 21 and outer wall is evenly provided with anti-rotation boss 221, and the other end is connected with locking nut 24 one end and outer wall is also evenly provided with many anti-skidding ribs; Cooperatively interacting of the anti-rotation groove of this cable lock sleeve 22 by anti-rotation boss 221 and sealing swivel nut 21 inside, one end, Matching installation is inner in one end of sealing swivel nut 21.In the present embodiment, this cable lock sleeve 22 adopts function admirable engineering plastics to make,
Cable sealing ring 23 is located between this cable lock sleeve 22 and locking nut 24.In the present embodiment, this cable sealing ring 23 adopts the high performance silicon rubber of function admirable to make.
Locking nut 24 is located between cable lock sleeve 22 and sheath sealing ring 25, and wherein, one end of this locking nut 24 coupling is sheathed on the outside, one end of this cable lock sleeve 22, and the other end is connected with sheath sealing ring 25.
Sheath sealing ring 25 is located between locking nut 24 and sheath locking member 26; Wherein, this sheath sealing ring 25 is sheathed on sheath locking member 26, and it is inner that its one end coupling is socketed on locking nut 24 one end, and other end edge stretches out and forms the limit portion 251 that prolongs.In the present embodiment, this sheath sealing ring 25 adopts the high performance silicon rubber of function admirable to make.
Sheath locking member 26 is located at locking member 2 one ends, and it comprises sheath locking nut 261 and cable jacket 262; This sheath locking nut 261 is threaded connection on cable jacket 262; This cable jacket 262 is for the protection of cable 3, and its inside is hollow and can passes for cable 3.Wherein, this sheath sealing ring 25 is on the one section of cable jacket 262 being sheathed between sheath locking nut 261 and locking nut 24, when 26 lockings of sheath locking member are installed, 251, the limit portion that prolongs of this sheath sealing ring 25 is squeezed in locking nut 24 one end end faces by sheath locking nut 261, plays excellent sealing effect.In the present embodiment, this sheath locking member 26 adopts the aluminum alloy materials of function admirables to make and surface black is oxidized to improve protection reliability.
The present invention is direct-connected to be connect without the continue use principle of electric connector of plug cable:
First, two cable heart yearns 31 that first needs connected during use, anti-sheath 32 on request size strip, press shown in Fig. 1, put successively sealing swivel nut 21, cable lock sleeve 22, cable sealing ring 23, locking nut 24, sheath sealing ring 25, sheath locking nut 26.After above-mentioned work completes, two cable heart yearns 31 of cable 3 are continued in the receptacle slot 111 of corresponding inner wire 11 in terminal 1 through cable respectively, then with special-purpose Press Plier, two cable heart yearns 31 are compressed, tighten sealing swivel nut 21, guarantee the sealing that its cable heart yearn 31 and cable continue between terminal 1; Again cable lock sleeve 22 and cable sealing ring 23 are in place, tighten locking nut 24, because cable lock sleeve 22 is connected to cable sealing ring 23 with anti-rotation boss 221 and one end internal sleeve, when tightening locking nut 24, cable 3 there will not be in cable lock sleeve 22 and relatively rotates, thereby guaranteed the reliability that connects and seal, finally sheath sealing ring 25 through tightening locking nut 24 afterbodys, screw sheath locking nut 261, complete the assembly work with cable 3.
Because cable heart yearn 31 and wire inserting slot 111 have directly adopted crimping or welding manner, make directly to link together between cable heart yearn 31 and inner wire 11, there is no contact resistance, that is to say that the contact resistance being connected between cable heart yearn 31 and inner wire 11 is zero substantially, thereby guarantee the safe and reliable of electrical signal transfer, even if having out of doors also to there will not be looseningly compared with the occasion of big bang, impact, be connected to each other Reliable guarantee is provided between cable for needs cable continues.Secondly because cable lock sleeve 22 has adopted anti-rotation structure, guaranteed that cable there will not be common short circuit phenomenon while connecting.Moreover, because adopted split sealing means to guarantee the continue reliability of water-tight between terminal 1 and cable 3 of cable.Meanwhile, because adopted sheath sealing ring 25 and sheath locking member 26, thereby guaranteed to need out of doors the cable 3 of docking can safe and reliablely to link together with cable jacket 262, and can flexibly, conveniently select as required length of cable.
Structural design of the present invention is simple, reasonable, it is simple, convenient that each structure member is installed, wherein, can be for some connections that need to continue between cable, transmit large current signal, the severe occasion of environment for use provides the reliable guarantee of work, the reliably working connecting for the extraordinary signal of telecommunication docking of this class cable provides solid foundation, meanwhile, can be used for the occasion that the above multi-core cable of 3 core is used.
The above, be only preferred embodiment of the present invention, is not the present invention to be done to the restriction of any other form, and according to any modification or equivalent variations that technical spirit of the present invention is done, still belongs to the present invention's scope required for protection.