CN100502148C - Coaxial cable connector - Google Patents
Coaxial cable connector Download PDFInfo
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- CN100502148C CN100502148C CNB2007100972357A CN200710097235A CN100502148C CN 100502148 C CN100502148 C CN 100502148C CN B2007100972357 A CNB2007100972357 A CN B2007100972357A CN 200710097235 A CN200710097235 A CN 200710097235A CN 100502148 C CN100502148 C CN 100502148C
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- type joint
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Abstract
A commutator for coaxial cable includes a male and female tie-in matching to each other. The outer conductor of the male tie-in is socketed with a closing ring of convex barbs at the end. Grooves matching to the barbs are opened on the inner wall of the outer conductor of the female tie-in. Upon joggling, both the ring of barbs and the outer conductor of the male tie-in are inserted into the clamp section of the female tie-in, with the barbs entered into the grooves.
Description
Technical field
The present invention relates to the cable connector technology, relate in particular to a kind of coaxial cable connector.
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.
Fig. 1 illustrates the center conductor 1 of center for generally being made of copper of coaxial cable, and this center conductor 1 is insulated 2 encirclement of layer, coats outer conductor 3 outside this insulating barrier 2, the crust 4 that outer conductor 3 outer coating nonconductive material become.
When using above-mentioned coaxial cable, need effective connection between the obstructed cable, so that effectively transmitted signal is avoided the decay of signal.For this reason, used the jockey of multiple coaxial cable in the prior art
Please referring to Fig. 2, this illustrates a kind of coaxial cable connector of prior art.Left part is the public type joint 21 of this coaxial cable connector among Fig. 2, and the right side is a parent form joint 22.Described public type joint 21 has and is used for the connector center conductor 211 that is electrically connected with coax cable center conductor 1, this center conductor 211 is the taper projective structure, its peripheral ring is around insulator 212, insulator 212 is outer around the connector outer conductor 213 that is used for coaxial cable outer conductor 3 electrical ties, and this connector outer conductor 213 has the circumference of protrusion to the counterface direction.The lobed step of these connector outer conductor 213 peripheries is used to overlap connected nut 214.Corresponding with the structure of this public affairs type joint 21, described parent form joint 22 has and is used for the connector center conductor 221 that is connected with coax cable center conductor, and this connector center conductor 221 has the recessed jack that matches with described connector center conductor 211 front ends; The peripheral ring of this connector center conductor 221 is around insulator 222, and this insulator 222 stretches out described center conductor 221 end faces one segment distance to the part that cooperates with public type joint 21 end faces, forms the recessed space that holds described connector center conductor 211 when pegging graft.Described insulator 222 peripheral rings are around connector outer conductor 223, and this connector outer conductor 223 is divided into inside and outside two circumference to the counterface direction, form between the two for holding the space that described public type joint connector outer conductor 213 protrudes circumference; Have screw thread on the front end periphery of this connector outer conductor 223, this threaded portion matches with the internal thread of the nut 214 of described public type joint 21.When described public type joint 21 is pegged graft mutually with parent form joint 22, the center conductor of described public type joint 21 and the projection of outer conductor insert the recessed portion of described parent form joint 22 respectively, and be in contact with one another, for both are cooperated closely, also the nut 214 of described public type joint 21 to be tightened with the screw thread of described parent form joint 22 outer conductor peripheries, be made this connector obtain to cooperate closely.
From above-mentioned prior art constructions as can be known.Under prior art, connector is pegged graft needs to use screw thread pair to cooperate, and causes in the use and can not directly plug, and it is more to expend time in, and has reduced operating efficiency.
Summary of the invention
At the above-mentioned defective of the coaxial cable connector of above-mentioned prior art, the technical problem that the present invention solves is that a kind of coaxial cable connector is provided, and this coaxial cable connector can directly plug easily, need not screw thread and screws.
Coaxial cable connector provided by the invention, comprise public type joint and parent form joint that mutual grafting cooperates, described public type joint and parent form joint one end are respectively the cable link of termination coaxial cable, the other end is the inserted terminal of pegging graft and cooperating with the other side, wherein, public type joint comprises and is positioned at the public type joint center conductor of column that protrudes to inserted terminal at center and the public type joint of the tubular outer conductor of outmost turns, and with both the insulation the public type splice insulation body that is positioned at mesosphere, described public type joint center conductor and public type joint outer conductor are concentric; The inserted terminal of described parent form joint comprises that the column parent form joint center conductor of front end face perforate and front end constitute clamping shape and the close-connected double-deck parent form joint outer conductor in rear end, and be positioned at mesosphere with both the insulation parent form splice insulation body, when public type joint and the grafting of parent form joint, described public type joint center conductor inserts in the perforate of front end face of described parent form joint center conductor, described public type joint outer conductor inserts that public type joint outer conductor socket front end is surrounded with protruding barb described in the described parent form joint outer conductor front end interlayer, and the collar of lobe formula structure is opened in employing, described public type joint outer conductor is socketed with spacing ring by the rear end, the annular stop step that has the outward radial projection foremost, the limited ring in described collar rear end props up, and front end props up described annular stop step; On the position of the described outer field inwall of parent form joint outer conductor apart from inserted terminal end face certain distance, have groove corresponding to described collar front end barb, when described public type joint inserts the parent form joint, the public type joint outer conductor of described collar and socket thereof inserts in the retaining part of described parent form joint outer conductor together, cooperate when putting in place when pegging graft, the barb of described collar enters in the groove of the outer outer conductor of described parent form joint, realizes closely cooperating of public type joint and parent form joint.
Preferably, the lobed sloping type step of the medium position of described collar, the slope of this slope type step is towards described inserted terminal; This collar is socketed with the lock ring of separating that can slide outward before and after it is axially done, this inwall front end of separating lock ring has the sloping type groove that matches with the sloping type step of described collar.
Preferably, describedly separate the inwardly protruded annular boss that the relative inserted terminal of lock ring inwall has former and later two equal heights, anterior annular boss forward position constitutes the right angle face of described sloping type groove, and the annular boss at rear portion matches with the step of spacing ring, limits this and separates endwisely slipping of lock ring.
Preferably, described periphery of separating lock ring has former and later two annular protrusions, and the outer surface of above-mentioned projection is through annular knurl processing.
Preferably, be matched in clearance between described collar and the public type joint outer conductor.
Preferably, described clamping part bottom also has O type circle; Cooperate when putting in place when pegging graft, described annular stop step front end face compresses O type circle.
Compared with prior art, the public type joint of coaxial cable connector provided by the invention closely is connected by overhead structure each other with the parent form joint, this kind structure can both can realize public type joint and the plug each other of parent form joint with simple action, need not threaded together; Therefore, adopt coaxial cable connector provided by the invention to plug quickly.
Description of drawings
Fig. 1 is the structural representation of coaxial cable;
Fig. 2 is the coaxial cable connector structural representation of prior art;
Fig. 3 is the coaxial cable connector structural representation that first embodiment of the invention provides.
Embodiment
The half sectional view of the coaxial cable connector that Fig. 3 provides for first embodiment of the invention.
This coaxial cable connector 3 comprises public type joint 31, parent form joint 32, and both cooperations of pegging graft mutually realize the connection to two sections coaxial cables.Both all have the cable link of termination coaxial cable, and the inserted terminal of pegging graft and cooperating with the other side.Below to be front end towards the inserted terminal direction, be the rear end towards cable link direction.
Described center conductor 311 comprises front end center conductor 311A and rear end center conductor 311B.Described front end center conductor 311A integral body is cylindricity, is made up of three parts, and anterior for having the protrusion front end to the inserted terminal protrusion of taper, this end top of protruding front end is the plane; What be connected with this taper shape protrusion front end is the middle part cylinder of transition; This middle part cylinder connects the rear portion cylinder by the step of projection, has the cylindrical hole with certain diameter in the heart from the cylindrical rear end face in described rear portion.Described rear end center conductor 311B comprises three sections cylinders that diameter increases step by step from the front end to the rear end, is step transition between three sections.Its cylinder external diameter foremost matches with the cylindrical center cylindrical hole in described front end center conductor 311A rear portion, and, insert the center cylindrical hole at front end center conductor 311A rear portion when this cylinder foremost after, the transition shoulder of this front end cylinder and middle part cylinder props up the rear end face of described front end center conductor 311A, realizes the axial location to front end center conductor 311A; Described middle part cylinder and rear portion cylinder adopt step transition equally; The rear end face center of this rear end center conductor 311B has the cylindrical hole that is used to hold coax cable center conductor 1, and the front end of this cylindrical hole is conical.
Described insulator 312 comprises preceding insulator 312A, back insulator 312B, is shell-like.Diametrically, described preceding insulator 312A internal diameter is enclosed within on the middle part cylinder of described rear end center conductor 311B, and its external diameter then props up the inwall of described outer conductor 313; In the axial direction, its front end face props up the rear end face of described front end center conductor 311A near the internal diameter position; Thereafter on the transition shoulder of the end face middle part cylinder that props up described rear end center conductor 311B near the path position and rear portion cylinder, the close large-diameter portion position of end face then props up on the step on described outer conductor 313 internal diameters thereafter.Described back insulator 312B props up the internal diameter of described outer conductor 313 with its external diameter, and its front end face props up the rear end face of rear end center conductor 311B near the path position, and its internal diameter is identical with the internal diameter of rear end center conductor 311B.
Described outer conductor 313 is a tubular, is enclosed within on the external diameter of described preceding insulator 312A; Some steps are all arranged on its internal diameter and the external diameter, be used to realize various limit functions.The leading portion of this outer conductor 313 is a thin cylinder, and lobed foremost annular stop step.
The unique distinction of present embodiment is, on the external diameter of described outer conductor 313, also being socketed with front end is surrounded with protruding barb, and adopts the collar 314 open lobe formula structure, the material of this collar 314 and structure make it have certain elasticity, can contraction be arranged at radially inner external force effect end, after external force was cancelled, original diameter then can rebound.Collar 314 internal diameters are gapped cooperations with cooperating of described outer conductor 313 external diameters, make collar 314 can carry out certain contraction.The front end face of collar 314 withstands the annular stop step of the projection of described outer conductor 313 front ends, and rear end face is fixed on outer conductor 313 by socket and props up than the spacing ring 315 at rear portion, makes this collar 314 in the axial direction can't be movable; The external diameter of described spacing ring 315 is concordant with the external diameter of this collar 314, the lobed step in its rear end.The lobed sloping type step of the medium position of described collar 314, the slope of this slope type step is towards described inserted terminal; These collar 314 outer sockets can be slided before and after it is axially done separates lock ring 316, and this inwall front end of separating lock ring 316 has the sloping type groove that matches with the sloping type step of described collar 314; This separates the inwardly protruded annular boss that lock ring 316 inwalls have former and later two equal heights, anterior annular boss forward position constitutes the right angle face of described sloping type groove, the annular boss at described rear portion matches with the ring-shaped step of described spacing ring 315 peripheries, limits this and separates endwisely slipping of lock ring.The rear end of separating lock ring 316 has an internal diameter and becomes big step, and this step part cooperates with the raised step of described spacing ring 315 rear ends, limits the axial motion that this separates lock ring 316.This is separated also has former and later two annular protrusions on the periphery of lock ring 316, and the outer surface of projection makes it axially be convenient to receive external force through annular knurl processing.Said structure can obtain following effect, describedly separates the position that lock ring 316 is in usually and makes the slope property groove of its inwall front end and the slope property step tabling at described collar 314 middle parts, and described collar can not be subjected to the external force that the footpath makes progress 314 this moments; When described when separating the external force that is subjected to axial effect backward on lock ring 316 peripheries, the described inclined-plane of separating lock ring 316 slope property grooves moves backward, the part that this inclined-plane protrudes to internal diameter direction is withstood the inclined-plane of the slope property step of described collar 314, described collar 314 is subjected to radially inner active force, makes its contraction.
Described parent form joint 32 has three layers of concentric column and cylindrical body equally, comprises the column center conductor 321 that interior mind-set inserted terminal protrudes and the tubular outer conductor 323 of outmost turns, and with the shell-like insulator 322 of the mesosphere of both insulation.
Described column center conductor 321, its end face towards inserted terminal has axial counterbore, its shape and diameter match with the described front end center conductor 311A of public affairs joint 31, and this periphery of one section that has counterbore is for opening lobe formula structure, make this section radially have certain elasticity, the front end center conductor 311A that said structure and shape are convenient to described public type joint 31 inserts; The rear end face of this column center conductor 321 has the deep hole that front end is taper, and the diameter of this deep hole matches with the center conductor of coaxial cable, and the hole of front end face and rear end face does not connect each other.
Described outer conductor 323 is divided into inside and outside two-layer,, be respectively internal layer outer conductor 323A and outer outer conductor 323B, inside and outside two-layerly be connected together in rear sleeve, the front portion then constitutes the clamping shape, and the opening of clamping is towards described inserted terminal; This holding sheet can make the thin cylinder of described public type joint 313 leading portions and collar 314 insert; At this holding sheet, on the inwall of outer outer conductor 323B, position apart from the front end face certain distance, have groove corresponding to described collar 314 front end barbs, bottom at this holding sheet, the step to the external diameter direction of described internal layer outer conductor 323A constitutes the holding sheet bottom end face, at this bottom position, also is set with anterior O type circle 324A.Be nested with scolder cover 325 on the internal diameter at the rear portion of described outer outer conductor 323B, both end face contacts site are equipped with rear portion O shape circle 324B.The step of the front end face projection of scolder cover 325 props up the rear end face of described back insulator 322B.
When using, described public type joint 31 and described parent form joint 32 be termination coaxial cable separately respectively.Wherein, the center conductor 1 of coaxial cable inserts the cylindrical hole of the 311B rear end face of public type joint 31, the rear end face of insulating barrier 2 front end faces of this coaxial cable and described back insulator 312B offsets, 3 of the outer conductors of coaxial cable insert in the described outer conductor 313, and its outer wall and described outer conductor 313 inwalls are closely socket mutually.For described parent form joint 32, the center conductor 1 of described coaxial cable inserts in the deep hole of described center conductor 321 rear end faces, its insulating barrier 2 inserts the internal diameter of described scolder cover 325, entangle the external diameter of described scolder cover 325 after 3 of its outer conductors are peeled off with this coaxial cable insulation cable body, and can adopt welding manner that this outer conductor and described scolder cover 325 are welded.Above-mentioned termination mode makes the center conductor 1 of public type joint 31 and parent form joint 32 be connected respectively with the coaxial cable end of the same name of its termination with outer conductor 3.
After above-mentioned termination is finished, can realize the grafting of public type joint 31 and parent form joint 32 easily.During grafting, the front end center conductor 311A of public type joint 31 inserts the counterbore of parent form joint 32 center conductors 321 front ends.The thin cylinder of described public type joint 31 leading portions and collar 314 insert the holding sheet of parent form joint 32 outer conductors 323, during insertion, the barb of described collar 314 projectioies is subjected to overstocking of described outer outer conductor 323B internal diameter and bears radially inner pressure, makes it that contraction be arranged slightly; When arriving the grafting final position, the barb of described collar 314 front ends is absorbed in the groove of described outer outer conductor 323B, collar 314 is owing to the pressure that no longer bears is radially expanded, the step surface of its barb rear end catches on the groove forward position of described outer outer conductor 323B, make described public type joint 31 and parent form joint 32 stuck mutually, realize both tight grafting.When needs separate both, add axial external force action backward on lock ring 316 peripheries as long as separate at public type joint, the described inclined-plane of separating lock ring 316 slope property grooves moves backward, the part that this inclined-plane protrudes to internal diameter direction is withstood the inclined-plane of the slope property step of described collar 314, described collar 314 is subjected to radially inner active force and shrinks to internal diameter direction, its protruding barb is able to throw off from the groove of described outer outer conductor 323B internal diameter, just can will should extract from described parent form joint 32 by public affairs type joint 31.
The coaxial fitting that the foregoing description provides can realize the direct plug between public type joint 31 and the parent form joint 32, need not to use screw thread to screw, and makes to connect simply, shortens the operating time.
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 (5)
1, a kind of coaxial cable connector, comprise public type joint and parent form joint that mutual grafting cooperates, described public type joint and parent form joint one end are respectively the cable link of termination coaxial cable, the other end is the inserted terminal of pegging graft and cooperating with the other side, wherein, public type joint comprises the public type joint of the column center conductor and the public type joint of the tubular that is positioned at outmost turns outer conductor to its inserted terminal protrusion that is positioned at the center, and with the public type splice insulation body that is positioned at mesosphere of described public type joint center conductor and public type joint outer conductor insulation, described public type joint center conductor and public type joint outer conductor are concentric; The inserted terminal of described parent form joint comprises that the column parent form joint center conductor of front end face perforate and front end constitute clamping shape and the close-connected double-deck parent form joint outer conductor in rear end, and between described parent form joint center conductor and parent form joint outer conductor and with both the insulation parent form splice insulation body, when public type joint and the grafting of parent form joint, described public type joint center conductor inserts in the perforate of front end face of described parent form joint center conductor, described public type joint outer conductor inserts in the described parent form joint outer conductor front end interlayer, it is characterized in that, described public type joint outer conductor socket front end is surrounded with protruding barb, and the collar of lobe formula structure is opened in employing, described public type joint outer conductor is socketed with spacing ring by the rear end, has annular stop step foremost to the outer radial projection of public type joint outer conductor, the limited ring in described collar rear end props up, and the collar front end props up described annular stop step; On the position of the outer field inwall of described parent form joint outer conductor apart from the inserted terminal end face certain distance of parent form joint, have groove corresponding to described collar front end barb, when described public type joint inserts the parent form joint, the public type joint outer conductor of described collar and socket thereof inserts in the retaining part of described parent form joint outer conductor together, cooperate when putting in place when pegging graft, the barb of described collar enters in the described groove of the outer field inwall of described parent form joint outer conductor, realizes closely cooperating of public type joint and parent form joint; The retaining part bottom of described parent form joint outer conductor also has O type circle; Cooperate when putting in place when pegging graft, described annular stop step front end face compresses O type circle.
2, coaxial cable connector according to claim 1 is characterized in that, the lobed sloping type step of the medium position of described collar, and the slope of this slope type step is towards the inserted terminal of described public type joint; This collar is socketed with the lock ring of separating that can slide outward before and after it is axially done, this inwall front end of separating lock ring has the sloping type groove that matches with the sloping type step of described collar.
3, coaxial cable connector according to claim 2, it is characterized in that, describedly separate the inwardly protruded annular boss that the lock ring inwall has former and later two equal heights, anterior annular boss forward position constitutes the right angle face of described sloping type groove, the annular boss at rear portion matches with the step of described spacing ring, limits this and separates endwisely slipping of lock ring.
4, coaxial cable connector according to claim 3 is characterized in that, described periphery of separating lock ring has former and later two annular protrusions, and the outer surface of above-mentioned projection is through annular knurl processing.
5, according to each described coaxial cable connector of claim 1-4, it is characterized in that, is matched in clearance between described collar and the public type joint outer conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100972357A CN100502148C (en) | 2007-04-28 | 2007-04-28 | Coaxial cable connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100972357A CN100502148C (en) | 2007-04-28 | 2007-04-28 | Coaxial cable connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101075707A CN101075707A (en) | 2007-11-21 |
| CN100502148C true CN100502148C (en) | 2009-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100972357A Active CN100502148C (en) | 2007-04-28 | 2007-04-28 | Coaxial cable connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100502148C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102088154B (en) * | 2009-12-04 | 2014-06-18 | 西安富士达科技股份有限公司 | Quick plug radio frequency coaxial connector |
| CN102364754B (en) * | 2011-10-17 | 2013-09-04 | 中国电子科技集团公司第四十研究所 | High-voltage connector assembly suitable for being used in satellite |
| CN112201977B (en) * | 2020-09-27 | 2022-04-26 | 中天射频电缆有限公司 | Mounting structure of cable leakage connector and cable leakage connector |
| CN112864691B (en) * | 2021-01-08 | 2022-05-03 | 徐明霞 | Engineering monitoring device and connector thereof |
-
2007
- 2007-04-28 CN CNB2007100972357A patent/CN100502148C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101075707A (en) | 2007-11-21 |
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Owner name: SHANGHAI NETOP TELECOM TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LUOSENBOGE YATAI ELECTRONIC CO., LTD. Effective date: 20110617 |
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Free format text: CORRECT: ADDRESS; FROM: 101300 NO. 3, ANXIANG STREET, AREA B OF TIANZHU AIRPORT INDUSTRIAL ZONE, SHUNYI DISTRICT, BEIJING TO: 201707 AREA C, FACTORY BUILDING B2, NO. 303, XINKE ROAD, QINGPU INDUSTRIAL PARK, SHANGHAI |
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Effective date of registration: 20110617 Address after: 201707 B2 workshop C, 303 Xinke Road, Qingpu Industrial Park, Shanghai, China Patentee after: Netop (Shanghai) Technology Co., Ltd. Address before: 101300 Beijing city B District Shunyi District Tianzhu Airport Industrial Zone No. 3 Peace Street Patentee before: Luosenboge Yatai Electronic Co., Ltd. |
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Owner name: ROSENBERG (SHANGHAI) TELECOM TECHNOLOGY CO., LTD. Free format text: FORMER NAME: NETOP (SHANGHAI) COMMUNICATION TECHNOLOGY CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 201707 B2 workshop C, 303 Xinke Road, Qingpu Industrial Park, Shanghai, China Patentee after: Rosenberg (Shanghai) Telecom Technology Co., Ltd. Address before: 201707 B2 workshop C, 303 Xinke Road, Qingpu Industrial Park, Shanghai, China Patentee before: Netop (Shanghai) Technology Co., Ltd. |