CN201408894Y - Cable connector - Google Patents
Cable connector Download PDFInfo
- Publication number
- CN201408894Y CN201408894Y CN2008202339528U CN200820233952U CN201408894Y CN 201408894 Y CN201408894 Y CN 201408894Y CN 2008202339528 U CN2008202339528 U CN 2008202339528U CN 200820233952 U CN200820233952 U CN 200820233952U CN 201408894 Y CN201408894 Y CN 201408894Y
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- internal diameter
- bung flange
- coaxial cable
- termination section
- diameter
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Abstract
The utility model discloses a cable connector, which comprises a cylindrical end connecting part, and the front and the rear sections along the axial direction of the cylindrical end connecting part are respectively an end connecting section and an insert connecting section; wherein the end connecting section comprises three layers which are respectively an outer conductor, an insulator and a central conductor and arranged from outside to inside; the outer conductor is provided with an outer wall with a thin-wall barrel shape, and the inner diameter of the part of the outer conductor extendingbackward correspondingly to the insulator is provided with internal thread matched with external thread on the surface of the outer diameter at the front end of a sleeve joint solenoid coil; a firststep is arranged at the bottom of the surface of the inner diameter of the outer wall of the outer conductor, and the edge of the first step is provided with a ring-cone-shaped bulge, the cone of which is matched with a chamfer at the port of the sleeve joint solenoid coil; the outer conductor, the insulator and the central conductor of the insert connecting section are respectively connected withthe corresponding parts of the end connecting section; the front end surface of the insert connecting section can be set according to the end surface of the connector which is inserted, connected andmatched with the cable connector; furthermore, the sleeve joint solenoid coil has the thin-wall barrel shape, the inner diameter of the sleeve joint solenoid coil is matched with the outer diameter of a coaxial cable, the surface of the outer diameter at the front end of the sleeve joint solenoid coil is provided with the external thread, and the chamfer is arranged at the inner diameter of the port arranged at the front end.
Description
Technical field
The utility model relates to the cable connector technology, especially relates to a kind of connector that is used for the bellows coaxial cable.
Background technology
Coaxial cable is widely used in various signals and transmits the especially occasion of video signal transmission, and a kind of structure of typical coaxial cable as shown in Figure 1.
The center that Fig. 1 illustrates coaxial cable is copper and is the center conductor 34 of hollow or solid construction, this center conductor 34 is insulated 33 encirclement of layer, coat outer conductor 31 outside this insulating barrier 33, this outer conductor 31 is a bellows-shaped, the outer conductor 31 outer crusts 32 that coat nonconductive material one-tenth.This outer conductor 31 is called the bellows coaxial cable for the coaxial cable of bellows-shaped.
When using above-mentioned bellows coaxial cable, the coaxial cable connector for ripple pipe (also can be described as the coaxial cable connector) of special use need be terminated at its end, so as will this coaxial bellows cable and another same termination have the bellows coaxial cable of connector to link together.
In the prior art, had multiple coaxial cable connector for ripple pipe, these connectors respectively have characteristics.For example, publication number is that the Chinese patent of CN1649209A discloses a kind of coaxial cable connector, and this coaxial cable connector is used to have the coaxial cable of belt corrugated external conductor.The plug rear portion of this connector has the conical ring surface, one sleeve with internal thread can be tightened on described plug rear portion, and this sleeve has first inner groovy, clamping ring with radial elastic is installed in this inner groovy, when sleeve screws in the plug rear portion, this sleeve with this clamping ring radial compression to the conical ring surface at described plug rear portion.
The coaxial cable connector that above-mentioned prior art provides can realize that connector and the tight of coaxial cable are connected, but clamping ring falls down easily in the installation process and loses for dividing body structure. and will install with hand separately.This clamping ring has also increased manufacturing cost.
Summary of the invention
At above-mentioned defective, the technical problem that the utility model solves is, a kind of cable connector is provided, this connector can be realized reliable installation and removal easily, this connector can be realized closely being connected with coaxial cable simultaneously, obtain very high electricity function index, and the cable of the many manufacturer production of energy wildcard, installing/dismounting is more easy simultaneously
The utility model discloses a kind of cable connector, comprising:
Termination section, described termination section are cylinder, and it axially is respectively termination section and inserting section for two sections in front and back, and described termination section is used for and the coaxial cable termination, and described inserted terminal is used for and other cable plug is pegged graft cooperates; Described termination section comprises three layers from outside to inside, is respectively outer conductor, insulator and center conductor; Wherein, described outer conductor has the outer wall of thin-walled tubbiness, its relative insulator stretches out a segment distance backward, have on the internal diameter of this extending area with the outer diametric plane of described socket bung flange front end on the internal thread that matches of external screw thread, in outer conductor outer wall aperture surface bottom, position apart from insulator rear end face setpoint distance, first step is set, edge, rank along this first step is provided with the ring tapered protrusion, this ring tapered protrusion and outer conductor outer wall inner surface constitute first annular groove towards end face direction opening, and the taper of this ring tapered protrusion and described socket bung flange port chamfering match; The outer conductor of described inserting section, insulator, center conductor are connected with the corresponding site of described termination section respectively, and the connector ends that its front end face then cooperates with this connector grafting as required is provided with;
The socket bung flange, described socket bung flange is the thin-walled tubbiness, its internal diameter cooperates with the coaxial cable external diameter, and it can be enclosed within on the coaxial cable, has external screw thread on the outer diametric plane of its front end, and has chamfering on the front end port internal diameter.
Preferably, the external screw thread root on the outer diametric plane of described socket bung flange front end is provided with first annular groove of placing sealing ring.
Preferably, the aperture surface of described socket bung flange comprises three sections in the axial direction, internal diameter back segment diameter maximum, and carry out the transition to the smaller internal diameter stage casing of diameter by second annular groove on the internal diameter, this second annular groove is used to place second sealing ring; Internal diameter stage casing front end carries out the transition to the internal diameter leading portion of diameter minimum by the groove that shrinks forward; The diameter in described internal diameter stage casing is enough to hold coaxial cable band crust and inserts, and described internal diameter leading portion diameter can ccontainingly prescind the external diameter of the coaxial cable behind the crust.
Preferably, described socket bung flange is made up of by being threaded first bung flange and second bung flange two parts, and described internal diameter leading portion and internal diameter stage casing are positioned at first bung flange, and described internal diameter back segment is positioned at second bung flange; Described second annular groove is the junction of first bung flange and second bung flange.
Preferably, the optical path face that preseting length is set foremost of described socket bung flange external diameter.
Preferably, the termination section center conductor of described termination section is out the thin-walled drum that lobe is formed, and its internal diameter matches with the solid center conductor external diameter of the coaxial cable of institute termination, and coax cable center conductor can be inserted just.
Preferably, the cylinder of the termination section center conductor of described termination section for from insulator, stretching out, its external diameter can insert in the hollow coax cable center conductor it just.
Preferably, the termination section center conductor periphery of described termination section is provided with the open umbrella shape of forward end and opens lobe.
Preferably, the distance of described first step and described termination section termination section end insulator rear end face satisfies following condition: behind this connector termination coaxial cable, have the gap of a compensation electrical property between coaxial cable insulation cable body and the described insulator rear end face.
Preferably, described ring tapered protrusion has the second step of inside contraction on its aperture surface outside first annular groove.
Compared with prior art, the coaxial cable connector for ripple pipe that provides of the utility model has to use obviously advantage is installed simply and easily.In technical scheme provided by the invention, fully phased out the setting of clamping ring, directly adopt the chamfering on the socket bung flange port internal diameter, match along last ring tapered protrusion with the rank that are arranged on termination section termination section bottom first step, the outer conductor of described bellows coaxial cable is clipped in the middle of both contact-making surfaces, because outer conductor adopts copper sheet to make, has enough ductility, therefore can not rupture, can fit yet, can obtain firm clamping at this interlayer.Like this, step up to encircle being difficult for of causing and align and not easily detachable problem with regard to having avoided adopting.Because simple in structure, the present invention has also significantly reduced the manufacturing cost of coaxial cable connector for ripple pipe.
Description of drawings
Fig. 1-the 1st, center conductor are the structural representation of hollow bellows coaxial cable;
Fig. 1-2 is that center conductor is the structural representation of solid bellows coaxial cable;
Fig. 2 is the partial sectional view of the utility model embodiment, and wherein the inner wire of termination section termination section is the protrusion form;
Fig. 3 is the partial sectional view of the utility model embodiment, and wherein the outer conductor of termination section termination section is recessed form;
Fig. 4 is the schematic diagram behind the utility model embodiment termination bellows coaxial cable.
Embodiment
Please referring to Fig. 2, the partial cutaway structural representation of the coaxial cable connector for ripple pipe that this figure provides for the utility model embodiment.Also be painted with coaxial cable 3 in this schematic diagram, so that the using method of this connector is described.For convenience of description, be the rear end with coaxial cable one side, be front end with the end face that is connected with another coaxial cable connector for ripple pipe.
As shown in Figure 2, this bellows coaxial cable comprises socket bung flange 1, termination section 2 two parts.Among Fig. 2, described socket bung flange 1 is enclosed within on the outer conductor 31 of coaxial cable 3.
Described socket bung flange 1 is the thin-walled tubbiness, and on the diametric plane, the leading portion external diameter is less outside it, and the back segment external diameter is bigger, between the two with 11 transition of the 3rd step.Described external diameter leading portion is provided with one section external screw thread 12, and the root of this external screw thread 12 is provided with first annular groove 13 that is used to place sealing ring, at the leading portion of external diameter one section optical path face 14 with preseting length is set then.Aperture surface at this socket bung flange 1 comprises three sections in the axial direction, internal diameter back segment 19 diameter maximums, and carry out the transition to the smaller internal diameter stage casing 15 of diameter by second annular groove 191 on the internal diameter, this second annular groove 191 is used to place second sealing ring.Carry out the transition to the internal diameter leading portion 17 of diameter minimum by the groove 16 that shrinks forward at internal diameter stage casing 15 front ends; The diameter in described internal diameter stage casing 15 is enough to hold coaxial cable 3 band crusts 32 and inserts, and the diameter of described internal diameter leading portion 17 can ccontainingly prescind the outer conductor 31 of the coaxial cable 3 behind the crust 32, and promptly the external diameter with the outer conductor of coaxial cable 3 matches.Have chamfering 18 on the internal diameter of this socket bung flange 1 front end port, this technical characterictic is a key technology point of present embodiment.
Fig. 2 also illustrates, the socket bung flange 1 of this embodiment is actually by first bung flange and second bung flange and connects and composes by before and after the screw thread, described internal diameter leading portion 17 and internal diameter stage casing 15 are positioned on first bung flange, described internal diameter back segment 19 is positioned on second bung flange, and the second bung flange front end is tightened on the outer bung flange at the first bung flange rear portion by internal thread.Gap between first bung flange and second bung flange forms described second annular groove 191.
Described termination section 2 is a cylinder, and its axial rear and front end is respectively termination section 21 and inserting section.Described termination section 21 is used for and coaxial cable 3 terminations, and described inserted terminal is used for pegging graft with other connector.This inserted terminal has outer conductor, insulator, center conductor equally, and is connected with the corresponding site of described termination section 21 respectively, the connector ends setting that its front end face form is then pegged graft and cooperated according to hope and this connector.Because the concrete structure of inserted terminal is not main points of the present invention, the grafting form that adopts under any prior art and may occur future all can, do not describe in detail at this, termination section part is not shown in the relevant drawings of present embodiment yet, in fact the inserted terminal left side of termination section 21 in the accompanying drawings promptly is positioned at termination section 21 front portions.
Described termination section 21 is divided into three layers from outside to inside, is respectively outer conductor 211, insulator 212 and center conductor 213.
Described outer conductor 211 has the outer wall 2111 of thin-walled tubbiness, the end face of its relative insulator 212 rearward stretches out a segment distance, have on the internal diameter of this outer wall 2111 with the outer diametric plane of described socket bung flange 1 front end on the internal thread 2112 that matches of external screw thread 12, bottom at these outer wall 2111 aperture surfaces, position apart from insulator rear end face 2121 setpoint distances, first step 2113 is set, tapered protrusion 2114 is encircled along being provided with in rank along this first step 2113, this ring tapered protrusion 2114 and first annular groove 2115 of outer conductor outer wall 2111 inner surfaces formation towards end face direction opening, the taper of this ring tapered protrusion 2114 and described socket bung flange port chamfering match, be the conical surface in its one side in first annular groove 2115, the tapering of taper also matches with described chamfering 18.Described ring tapered protrusion 2114 has the second step 2116 of inside contraction on its aperture surface outside described first annular groove 2115, the internal diameter of outer conductor 211 is retracted to just this second step 2116 and insulator 212 external diameters match.
The termination section center conductor 213 of described termination section 2 is positioned at the center of termination section cylinder, specifically can adopt two kinds of forms.When the coaxial cable 3 of institute's termination is hollow center conductor shown in Fig. 1-1, the cylinder of this center conductor 213 for from insulator 212, stretching out, its external diameter makes it can insert in the hollow coax cable center conductor just; In the center conductor 213 of this form, in order to make center conductor 213 can be good at combining with coax cable center conductor, in the periphery of this center conductor 213 the open umbrella shape of forward end is set and opens lobe 2131, like this, open the elasticity tension of lobe 2131 by umbrella shape, can guarantee that it contacts with the reliable of coax cable center conductor.When the bellows coaxial cable shown in termination Fig. 1-2, adopt the center conductor 213 of recessed insulator 212 shown in Figure 3, this center conductor 213 is that periphery is by opening the thin cylinder shape that lobe is formed, the center conductor that its internal diameter can hold described coaxial cable 3 inserts, and, can guarantee reliably to contact with coaxial cable 3 center conductor outer surfaces by the elasticity of opening lobe of its periphery.A kind of termination section center conductor 213 illustrates its operating position for example hereinafter.
The insulator 212 of described termination section 2 is positioned at the centre of described outer conductor 211 and center conductor 213.Thereafter end face 2121 satisfies following condition with the distance of described first step 2113: behind this connector termination coaxial cable 3, have the gap of a compensation electrical property between coaxial cable insulation cable body and the described insulator rear end face 2121.
On the outer diametric plane of socket bung flange 1 and termination section 2, all the spanner focusing surface can be set.
The using method of this bellows coaxial cable cable connector is as follows.
The crust 32 of bellows coaxial cable 3 is peelled off one section, chosen distance end predetermined distance position then, select this coaxial cable 3 of peak waviness position cutting perpendicular to axial direction of outer conductor 31, the outer conductor 31 and the insulator 33 of outer ring all excised, expose one section center conductor 34.。At this moment, described socket bung flange 1 is enclosed within on this coaxial cable 3, its front end port with chamfering 18 is towards just now cut surface, and the outer conductor 31 of described coaxial cable 3 is enclosed within internal diameter leading portion 17 positions, and 32 of described crusts are enclosed in 15 positions, internal diameter stage casing.Then, use special-purpose flaring tool or light instrument, make it to turning up, and can stick described chamfering 18 described outer conductor 31 enlargings.At last, the termination end face of described termination section 2 is inserted to described coaxial cable 3 ready prepd termination end faces, and rotate described termination section 2, in the rotary course, coax cable center conductor 34 is inserted in the termination section center conductor 213, the position chamfering 18 of turning up of the front end of described coaxial cable outer conductor 31 is pressed on the conical surface of described ring tapered protrusion 2114, and promptly the front end that coaxial cable outer conductor 31 turns up is clamped in the cooperation of the conical surface by described chamfering 18 and ring tapered protrusion 2114.After being rotated in place, termination process is promptly finished.Because coaxial cable outer conductor 31 adopts copper products to make, make this clamping can be very firm.
Fig. 4 illustrates connector and the coaxial cable that termination is finished.At this moment, have certain clearance between the front end face of the insulator 33 of coaxial cable and termination section insulator 212 rear end faces, this gap has compensating action to the electrical property of connecting portion.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1, a kind of cable connector is characterized in that, comprising:
Termination section, described termination section are cylinder, and it axially is respectively termination section and inserting section for two sections in front and back, and described termination section is used for and the coaxial cable termination, and described inserted terminal is used for and other cable plug is pegged graft cooperates; Described termination section comprises three layers from outside to inside, is respectively outer conductor, insulator and center conductor; Wherein, described outer conductor has the outer wall of thin-walled tubbiness, its relative insulator stretches out a segment distance backward, have on the internal diameter of this extending area with the outer diametric plane of described socket bung flange front end on the internal thread that matches of external screw thread, in outer conductor outer wall aperture surface bottom, position apart from insulator rear end face setpoint distance, first step is set, edge, rank along this first step is provided with the ring tapered protrusion, this ring tapered protrusion and outer conductor outer wall inner surface constitute first annular groove towards end face direction opening, and the taper of this ring tapered protrusion and described socket bung flange port chamfering match; The outer conductor of described inserting section, insulator, center conductor are connected with the corresponding site of described termination section respectively, and the connector ends that its front end face then cooperates with this connector grafting as required is provided with;
The socket bung flange, described socket bung flange is the thin-walled tubbiness, its internal diameter cooperates with the coaxial cable external diameter, and it can be enclosed within on the coaxial cable, has external screw thread on the outer diametric plane of its front end, and has chamfering on the front end port internal diameter.
2, cable connector according to claim 1 is characterized in that, the external screw thread root on the outer diametric plane of described socket bung flange front end is provided with first annular groove of placing sealing ring.
3, cable connector according to claim 1, it is characterized in that, the aperture surface of described socket bung flange comprises three sections in the axial direction, internal diameter back segment diameter maximum, and carrying out the transition to the smaller internal diameter stage casing of diameter by second annular groove on the internal diameter, this second annular groove is used to place second sealing ring; Internal diameter stage casing front end carries out the transition to the internal diameter leading portion of diameter minimum by the groove that shrinks forward; The diameter in described internal diameter stage casing is enough to hold coaxial cable band crust and inserts, and described internal diameter leading portion diameter can ccontainingly prescind the external diameter of the coaxial cable behind the crust.
4, cable connector according to claim 3, it is characterized in that, described socket bung flange is made up of by being threaded first bung flange and second bung flange two parts, and described internal diameter leading portion and internal diameter stage casing are positioned at first bung flange, and described internal diameter back segment is positioned at second bung flange; Described second annular groove is the junction of first bung flange and second bung flange.
5, cable connector according to claim 1 is characterized in that, the optical path face that preseting length is set foremost of described socket bung flange external diameter.
6, cable connector according to claim 1, it is characterized in that, the termination section center conductor of described termination section is out the thin-walled drum that lobe is formed, and its internal diameter matches with the solid center conductor external diameter of the coaxial cable of institute termination, and coax cable center conductor can be inserted just.
7, cable connector according to claim 1 is characterized in that, the cylinder of the termination section center conductor of described termination section for from insulator, stretching out, and its external diameter can insert in the hollow coax cable center conductor it just.
8, cable connector according to claim 7 is characterized in that, the termination section center conductor periphery of described termination section is provided with the open umbrella shape of forward end and opens lobe.
9, cable connector according to claim 1, it is characterized in that, the distance of described first step and described termination section termination section end insulator rear end face satisfies following condition: behind this connector termination coaxial cable, have the gap of a compensation electrical property between coaxial cable insulation cable body and the described insulator rear end face.
10, cable connector according to claim 1 is characterized in that, described ring tapered protrusion has the second step of inside contraction on its aperture surface outside first annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008202339528U CN201408894Y (en) | 2008-12-31 | 2008-12-31 | Cable connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008202339528U CN201408894Y (en) | 2008-12-31 | 2008-12-31 | Cable connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201408894Y true CN201408894Y (en) | 2010-02-17 |
Family
ID=41679841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008202339528U Expired - Fee Related CN201408894Y (en) | 2008-12-31 | 2008-12-31 | Cable connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201408894Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020029340A1 (en) * | 2018-08-07 | 2020-02-13 | 江苏亨鑫科技有限公司 | High-reliability radio frequency coaxial connector that facilitates rapid assembly and disassembly |
-
2008
- 2008-12-31 CN CN2008202339528U patent/CN201408894Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020029340A1 (en) * | 2018-08-07 | 2020-02-13 | 江苏亨鑫科技有限公司 | High-reliability radio frequency coaxial connector that facilitates rapid assembly and disassembly |
| US10965070B2 (en) | 2018-08-07 | 2021-03-30 | Jiangsu Hengxin Technology Co., Ltd. | Quick demountable high-reliability radio-frequency coaxial connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20121231 |