CN203277784U - Bush core tightening type coaxial cable connector - Google Patents

Abstract

Disclosed in the utility model is a bush core tightening type coaxial cable connector. An inner flange is arranged at the right end of a connecting nut; an outer flange is arranged at the left end of a bush core tube; the outer flange of the bush core tube is buckled with the inner flange of the connecting nut; and a tapered inverted pulling portion is arranged at the outer wall of the right end of the bush core tube. An inner wall of a left end of an outer casing tube is rotatingly connected to the middle portion of the bush core tube by threads. A core wire conductor, an insulated layer and a metal foil layer of the coaxial cable are inserted into the bush core tube together from the right end; the core wire conductor extends out of the center of the connecting nut; a metal braiding stranded wire layer and a cable outer sheath of the coaxial cable are clamped between the bush core tube and the outer casing tube. An outer tail sleeve is clamped to the outer wall of the right end of the cable outer sheath; a tapered step that is contracted inwardly is arranged at the inner periphery of the right end of the outer tail sleeve; and the outer sleeve is compressed to the cable outer sheath by the tapered step. And a sealing ring is arranged between the outer flange o the bush core tube and the inner flange of the connecting nut. The provided coaxial cable connector has the good sealing performance can bear the great torsion and the great tensile force.

Description

The lining heart tightens up the formula coaxial cable connector

Technical field

The utility model relates to a kind of lining heart and tightens up the formula coaxial cable connector, belongs to the cable connector technical field.

Background technology

Cable TVs etc. transmit signal with coaxial cable usually, the center of coaxial cable is provided with cored wire conductor, the periphery of cored wire conductor is coated with insulating barrier, screen and cable jacket from inside to outside successively, and screen is divided into the layer of metal foil that is positioned at internal layer and is positioned at outer field metal knitted twisted wire layer.present coaxial cable connector comprises the attaching nut, lining core pipe and C type clip, one end of lining core pipe is conical head, the other end is provided with outward flange, the attaching nut is socketed on the outward flange of lining core pipe, the cable jacket of coaxial cable, screen and insulating barrier are clipped a part in succession, expose cored wire conductor, make the termination of coaxial cable be from inside to outside the stairstepping distribution, cored wire conductor, insulating barrier inserts in lining core pipe together with the taper head end of layer of metal foil from lining core pipe, cored wire conductor stretches out from attaching nut's center, metal knitted twisted wire layer and cable jacket are enclosed within outside lining core pipe, C type clip is stuck in outside cable jacket, by specific purpose tool, rear locking is tightened up in the open end of C type clip, thereby cable jacket is fastened on the outer wall of lining core pipe, after this, can the radio-frequency terminals of this coaxial cable with other coaxial cables or electric equipment be connected by the attaching nut.This coaxial cable connector, a side at C type clip is tightened up, make the outer tube distortion that is squeezed, annular gap between outer tube and lining core pipe becomes inhomogeneous, can not guarantee all and serving as a contrast the core pipe week and contacting well of metal knitted twisted wire layer, cause shielding bad, loss of signal is large, transmit unstablely, easily be disturbed; In addition, the contact area between C type clip and cable jacket is less, blocks to such an extent that tension easily damages cable jacket, blocks too loosely easily to come off, make connect unreliable.

The utility model content

The object of the invention is to, overcome problems of the prior art, provide a kind of lining heart to tighten up the formula coaxial cable connector, good seal performance, simple in structure, can bear larger torsion and pulling force.

for solving above technical problem, the utility model provides a kind of lining heart to tighten up the formula coaxial cable connector, comprise attaching nut and lining core pipe, described attaching nut's right-hand member is provided with inward flange, the left end of described lining core pipe is provided with outward flange, the outward flange of described lining core pipe and described attaching nut's inward flange interlock, and the right-hand member outer wall of described lining core pipe is provided with taper and pulls out, the center of coaxial cable is provided with cored wire conductor, the periphery of described cored wire conductor is coated with insulating barrier from inside to outside successively, layer of metal foil, metal knitted twisted wire layer and cable jacket, described coaxial cable connector also is provided with outer tube and outer tail cover, the left end inwall of described outer tube is screwed in the middle part of described lining core pipe by screw thread, the cored wire conductor of described coaxial cable, insulating barrier inserts in described lining core pipe from right-hand member together with layer of metal foil, described cored wire conductor stretches out from described attaching nut's center, the metal knitted twisted wire layer of described coaxial cable and cable jacket are clamped between described lining core pipe and described outer tube, described outer tail cover is connected to the right-hand member outer wall of described cable jacket, the right-hand member inner periphery of described outer tail cover is provided with the type conical bench of inside contraction, described type conical bench is pressed on described outer tube on described cable jacket, be provided with sealing ring between the outward flange of described lining core pipe and described attaching nut's inward flange.

With respect to prior art, the present invention has obtained following beneficial effect: be provided with sealing ring between the outward flange of lining core pipe and attaching nut's inward flange and can make cable connector have water resistance preferably, outer tube firmly is connected by screw thread with lining core pipe, along with the progressively extruding left of outer tail cover, the type conical bench of outer tail cover right-hand member is progressively inwardly shunk outer tube, until outer tube and lining core pipe clamp cable jacket; Pull out and to make coaxial cable bear larger torsion and pulling force because the right-hand member outer wall of lining core pipe is provided with taper.

Description of drawings

Fig. 1 is that the utility model lining heart tightens up the structural representation of formula coaxial cable connector before coaxial cable inserts;

Fig. 2 is the structural representation of coaxial cable in compaction process.

In figure: 1. attaching nut; 2. serve as a contrast the core pipe; 2a. outward flange; 2b. taper pulls out; 3. sealing ring; 4. outer tube; 5. outer tail cover; 6a. cored wire conductor; 6b. insulating barrier; 6c. layer of metal foil; 6d. metal knitted twisted wire layer; 6e. cable jacket.

Embodiment

as shown in Figures 1 and 2, the lining heart of the present utility model tightens up the formula coaxial cable connector, comprise attaching nut 1, lining core pipe 2, outer tube 4 and outer tail cover 5, attaching nut 1 right-hand member is provided with inward flange, the left end of lining core pipe 2 is provided with outward flange 2a, the outward flange 2a of lining core pipe 2 and attaching nut 1 inward flange interlock, and the right-hand member outer wall of lining core pipe 2 is provided with taper and pulls out 2b, the center of coaxial cable is provided with cored wire conductor 6a, the periphery of cored wire conductor 6a is coated with insulating barrier 6b from inside to outside successively, layer of metal foil 6c, metal knitted twisted wire layer 6d and cable jacket 6e, the left end inwall of outer tube 4 is screwed in the middle part of lining core pipe 2 by screw thread, the cored wire conductor 6a of coaxial cable, insulating barrier 6b inserts in lining core pipe 2 from right-hand member together with layer of metal foil 6c, cored wire conductor 6a stretches out from attaching nut 1 center, the metal knitted twisted wire layer 6d of coaxial cable and cable jacket 6e are clamped between lining core pipe 2 and outer tube 4, outer tail cover 5 is connected to the right-hand member outer wall of cable jacket 6e, the right-hand member inner periphery of outer tail cover 5 is provided with the type conical bench of inside contraction, type conical bench is pressed on outer tube 4 on cable jacket 6e, be provided with sealing ring 3 between the outward flange 2a of lining core pipe 2 and attaching nut 1 inward flange.

As shown in Figure 2, coaxial cable is shelled stepped, the cored wire conductor 6a of coaxial cable, insulating barrier 6b insert in lining core pipe 2 from right-hand member together with layer of metal foil 6c, metal knitted twisted wire layer 6d and cable jacket 6e are between lining core pipe 2 and outer tube 4, the progressively extruding left of outer tail cover 5, until the left end of outer tail cover 5 arrives the step place of outer tube 4, outer tube 5 inwardly shrinks cable jacket is clamped.

These are only the present invention's better possible embodiments, non-so limit to scope of patent protection of the present invention.In addition to the implementation, the present invention can also have other execution modes, can put upside down as the left and right.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection range of requirement of the present invention.

Claims (1)

1. a lining heart tightens up the formula coaxial cable connector, comprise attaching nut and lining core pipe, described attaching nut's right-hand member is provided with inward flange, the left end of described lining core pipe is provided with outward flange, the outward flange of described lining core pipe and described attaching nut's inward flange interlock, and the right-hand member outer wall of described lining core pipe is provided with taper and pulls out, the center of coaxial cable is provided with cored wire conductor, the periphery of described cored wire conductor is coated with insulating barrier from inside to outside successively, layer of metal foil, metal knitted twisted wire layer and cable jacket, it is characterized in that: described coaxial cable connector also is provided with outer tube and outer tail cover, the left end inwall of described outer tube is screwed in the middle part of described lining core pipe by screw thread, the cored wire conductor of described coaxial cable, insulating barrier inserts in described lining core pipe from right-hand member together with layer of metal foil, described cored wire conductor stretches out from described attaching nut's center, the metal knitted twisted wire layer of described coaxial cable and cable jacket are clamped between described lining core pipe and described outer tube, described outer tail cover is connected to the right-hand member outer wall of described cable jacket, the right-hand member inner periphery of described outer tail cover is provided with the type conical bench of inside contraction, described type conical bench is pressed on described outer tube on described cable jacket, be provided with sealing ring between the outward flange of described lining core pipe and described attaching nut's inward flange.

Images