CN114221159A - Connector for hollow cable - Google Patents
Connector for hollow cable Download PDFInfo
- Publication number
- CN114221159A CN114221159A CN202111585554.9A CN202111585554A CN114221159A CN 114221159 A CN114221159 A CN 114221159A CN 202111585554 A CN202111585554 A CN 202111585554A CN 114221159 A CN114221159 A CN 114221159A
- Authority
- CN
- China
- Prior art keywords
- outer conductor
- hollow cable
- conductor
- cable
- inner conductor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
- H01R13/5804—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable comprising a separate cable clamping part
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
Landscapes
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a connector for a hollow cable, which comprises an outer conductor and an inner conductor matched with the outer conductor, and is characterized in that barbs convenient to connect and fix are arranged on the outer conductor and the inner conductor, an insulator is connected on the inner conductor through interference fit, a claw structure which is integrally formed and prevents the hollow cable from being separated is further arranged at one end of the outer conductor, a crimping sleeve used for tightening the claw structure to increase the connection firmness of the hollow cable is arranged on the outer conductor through threads, an insulating sleeve which is not in direct mechanical contact with the inner conductor of the hollow cable is arranged on the inner conductor through interference fit, and a crimping ring used for installing and fixing the hollow cable is further arranged on the outer conductor; the invention solves the problem of poor intermodulation caused by discontinuous electrical connection due to non-contact, has the function of isolating direct current through coupling connection, structurally removes conventional cable clamps, riveting tubes, rear sealing rings and other parts, and reduces the investment cost.
Description
Technical Field
The invention relates to the technical field of cable connectors, in particular to a connector for a hollow cable.
Background
The radio frequency cable is composed of an inner conductor, an outer conductor and a medium for supporting the inner conductor and the outer conductor which are coaxial with each other, and the connector of the radio frequency cable plays an important role in radio frequency transmission of radio communication; the conventional connector is generally connected with a cable in a direct mechanical contact mode, an outer sheath of the cable needs to be stripped, cutting damage is brought to an inner wavy conductor of the cable, and the direct mechanical contact causes the poor contact between the cable and the connector, so that the electrical connection is discontinuous, and the poor communication intermodulation is influenced; meanwhile, a direct mechanical contact mode is adopted, so that the conduction of static electricity and surge between the connector and the cable cannot be prevented, and a direct current blocker is required to be connected to the cable in series independently, so that the investment cost is increased; it is therefore necessary to provide a connector for hollow cables.
Disclosure of Invention
The present invention is made to solve the above problems, and an object of the present invention is to provide a connector for a hollow cable.
In order to achieve the purpose, the invention provides the following technical scheme: including the outer conductor, with the inner conductor of outer conductor looks adaptation, characterized by outer conductor and inner conductor on all be equipped with the barb of being convenient for to connect fixedly, the inner conductor on install the insulator, outer conductor one end still be equipped with integrated into one piece and prevent the jack catch structure that hollow cable breaks away from, the outer conductor on install and be used for tightening up the jack catch structure and make the hollow cable increase the crimping cover of fastness to connect, the inner conductor install through interference fit and form the insulating cover of indirect mechanical contact with the hollow cable inner conductor, the outer conductor on still install the crimping ring fixed to the hollow cable installation, the outer conductor form the coupling connection of indirect mechanical contact through the oversheath of hollow cable and hollow cable outer conductor.
Preferably, the inner conductor is provided with a step, and the step is provided with a bulge for limiting the insulator.
Preferably, the insulator is provided with a concave step matched with the bulge, and the insulator is fixedly connected with the inner conductor through interference fit.
Preferably, the outer conductor is provided with a clamping groove and a threaded sleeve movably mounted on the outer conductor, the clamping groove is provided with a clamp spring for preventing the threaded sleeve from being separated from the outer conductor, the outer conductor is internally provided with a groove matched with the crimping ring, and the front end of the crimping sleeve is provided with a compression ring for tightening the jaw structure.
Preferably, the claw structure comprises a plurality of annular clamping strips which are arranged on the outer conductor and are distributed in an annular mode on the axis of the outer conductor, the front ends of the annular clamping strips are provided with clamping hooks of a plurality of saw-toothed shapes, and the clamping hooks are provided with inclined planes which are convenient for the cables to enter.
The invention has the beneficial effects that: by passing
Dielectric isolation is formed between the insulating sleeve and the outer sheath of the hollow cable, so that the hollow cable is in coupling connection with the inner conductor and the outer conductor in a non-direct mechanical contact manner, and the problem of poor intermodulation caused by discontinuous electrical connection due to incomplete direct mechanical contact is solved;
through a coupling connection mode, the direct current isolation device has the function of isolating direct current, can prevent static electricity and surge from being conducted between the connector and the cable, does not need to additionally increase a direct current blocker, and reduces the investment cost; when the connector is connected with the cable, only the end face of the cable is required to be trimmed, and the conventional components such as a cable clamp, a riveting pipe, a rear sealing ring and the like are structurally removed, so that the cost is saved; the connector is connected, so that the complex procedures of stripping the cable, cutting the outer conductor of the cable and the like are avoided,
through the arrangement of the claw structure, the claw is used for fixing the cable sheath inserted into the connector, so that the cable is prevented from being separated from the connector, and the connection stability of the connector and the cable is improved;
through the setting of crimping ring, the cable and the insulating cover laminating of inserting the connector utilize the crimping ring to spacing fixed to the cable, prevent that the cable head from rocking in the connector, promote stability.
Drawings
FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the structure of the present invention at A;
FIG. 3 is a schematic view of the structure of the present invention at B;
FIG. 4 is a schematic view of the structure of the present invention at C;
FIG. 5 is an enlarged view of the invention at D;
FIG. 6 is a state diagram of the present invention in use;
the labels in the figure are: the cable comprises an outer conductor 1, a clamping groove 11, a threaded sleeve 12, a snap spring 13, a groove 14, an inner conductor 2, a limiting table 21, a barb 3, an insulator 4, a concave step 41, a jaw structure 5, an annular clamping strip 51, a clamping hook 52, an inclined surface 53, a crimping sleeve 6, a compression ring 61, an insulating sleeve 8, a crimping ring 9 and a hollow cable 10.
Detailed Description
The following description will further describe a connector for a hollow cable according to the present invention by way of example with reference to the accompanying drawings.
Referring to fig. 1-6, the present invention provides a connector for a hollow cable, comprising an outer conductor 1, an inner conductor 2 fitted to the outer conductor 1, it is characterized in that the outer conductor 1 and the inner conductor 2 are both provided with barbs 3 which are convenient for connection and fixation, an insulator 4 is arranged on the inner conductor 2, a claw structure 5 which is integrally formed and prevents the hollow cable from separating is arranged at one end of the outer conductor 1, the outer conductor 1 is provided with a crimping sleeve 6 for tightening the jaw structure 5 to increase the connection firmness of the hollow cable, the inner conductor 2 is provided with an insulating sleeve 8 which forms indirect mechanical contact with the inner conductor of the hollow cable through interference fit, the outer conductor 1 is also provided with a crimping ring 9 for installing and fixing the hollow cable, and the outer conductor 1 and the outer conductor of the hollow cable form indirect mechanical contact coupling connection through the outer sheath of the hollow cable; dielectric isolation is formed by the insulating sleeve 8 and the outer sheath of the hollow cable 10, so that dielectric isolation is formed between the outer conductor 1 and the inner conductor 2 and the inner/outer conductor of the hollow cable 10, coupling connection of indirect mechanical contact is formed, and the problem of poor intermodulation caused by discontinuous electrical connection due to incomplete direct mechanical contact is solved; by adopting the coupling connection, the transmission of static electricity and surge between the connector and the cable can be prevented, the direct current isolation function is realized, a direct current blocker is not required to be additionally arranged, and the investment cost is reduced; when the connector is connected with the hollow cable 10, the connector can be butted with the connector only by finishing the end face of the hollow cable 10, so that the complex procedures of stripping the cable, cutting the outer conductor of the cable and the like are avoided, the conventional components such as a cable clamp, a riveting pipe, a rear sealing ring and the like are structurally removed, and the cost is saved.
The inner conductor 2 is provided with a step 21, and the step 21 is provided with a bulge 22 for limiting the insulator 4; the insulator 4 is provided with a concave step 41 matched with the bulge 22, and the insulator 4 is fixedly connected with the inner conductor 2 through interference fit; the inner conductor 2 is forced into the insulator 4 by the inner conductor 2, the concave step 41 is tightly attached to the protrusion 22, the barb 3 on the inner conductor 2 penetrates into the outer wall of the insulator 4, the insulator 4 is tightly combined with the inner conductor 2, and the insulator 4 is prevented from being separated from the inner conductor 2.
The outer conductor 1 is provided with a clamping groove 11 and a threaded sleeve 12 movably arranged on the outer conductor 1, the clamping groove 11 is provided with a snap spring 13 for preventing the threaded sleeve 12 from being separated from the outer conductor 1, the outer conductor 1 is internally provided with a groove 14 matched with the compression joint ring 9, and the front end of the compression joint sleeve 6 is provided with a compression ring 61 for contracting the clamping jaw structure 5; the threaded opening of the threaded sleeve 12 is sleeved on the outer conductor 1 in an outward facing mode, the clamp spring 13 is sleeved on the outer conductor 1 and pushed into the clamping groove 11, the clamp spring 13 is contracted and fixed on the clamping groove 11 by means of elasticity of the clamp spring 13, and therefore the threaded sleeve 12 is installed on the outer conductor 1 and the threaded sleeve 12 is prevented from being separated from the outer conductor 1; through the arrangement of the groove 14, the insulating sleeve 8 is arranged on the inner conductor 2 in an interference fit manner, the insulating sleeve 8 is tightly attached to the step 21, the contracted crimping ring 9 is pushed into the groove 14 from the inner side of the outer conductor 1, the crimping ring 9 is bounced to the periphery and tightly attached to the inner wall of the groove 14, and meanwhile the end face of the crimping ring 9 limits and fixes the insulating sleeve 8 on the outer conductor 1 to prevent shaking; through the setting of crimping ring 9, aim at insulating cover 8 with the hollow hole of hollow cable 10 and insert hollow cable 10 in outer conductor 1, hollow cable 10 contacts crimping ring 9 at the insertion in-process, and hollow cable 10 thrust makes crimping ring 9 receive the extrusion, pastes tightly until hollow cable 10 terminal surface and insulating cover 8, receives the tight fixed of the oversheath of extruded crimping ring 9 with hollow cable 10 to prevent that hollow cable 10 from rocking in the connector, promote stability.
The jaw structure 5 comprises a plurality of annular clamping strips 51 which are arranged on the outer conductor 1 and distributed annularly along the axis of the outer conductor 1, a plurality of sawtooth-shaped clamping hooks 52 are arranged at the front ends of the annular clamping strips 51, and inclined planes 53 which are convenient for cables to enter are arranged on the clamping hooks 52; the hollow cable 10 aims at one side of the outer conductor 1 and pushes the hollow cable 10 to be inserted into the outer conductor 1, in the pushing process of the hollow cable 10, the hollow cable 10 contacts the inclined surface 53 and enables the inclined surface 53 to expand outwards under the action of thrust, so that the hollow cable 10 smoothly enters the inner part of the outer conductor 1 until the end surface of the hollow cable 10 is tightly attached to the insulating sleeve 8, the compression sleeve 6 is rotated to enable the compression sleeve 6 to shrink towards the outer conductor 1, the compression ring 61 extrudes the annular clamping strip 51 and drives the clamping hook 52 to shrink inwards in the shrinking process, and therefore the cable is firmly fixed on the outer conductor 1, and the connection stability of the connector and the cable is further improved.
In the invention, firstly, the end face of the hollow cable 10 is cut flat, the hollow cable 10 is aligned to one side of the outer conductor 1 provided with the clamping hook 52, the hollow cable 10 is pushed to be inserted into the outer conductor 1, in the insertion process, the inclined face 53 is extruded by the hollow cable 10 and the inclined face 53 is expanded outwards so as to be convenient for the insertion of the hollow cable 10, meanwhile, the hollow hole of the hollow cable 10 is aligned with the insulating sleeve 8, the hollow cable 10 is continuously pushed, the insulating sleeve 8 is inserted into the hollow hole of the hollow cable 10, the compression ring 9 is extruded and deformed in the pushing process of the hollow cable 10 until the end face of the hollow cable 10 is tightly attached to the insulating sleeve 8, and the compression ring 9 which is extruded and deformed tightly limits the outer sheath of the hollow cable 10 on the compression ring 9 to prevent the outer sheath from shaking; the compression joint sleeve 6 is rotated through threads to enable the compression joint sleeve 6 to retract in the outer conductor 1, the compression ring 61 extrudes the annular clamping strip 51 and drives the clamping hook 52 to retract inwards in the retraction process, the clamping hook 52 is clamped on the outer sheath of the hollow cable 10, the cable is firmly fixed in the outer conductor 1, a sealing ring is placed in the screw sleeve 12, a standard interface corresponding to the screw sleeve 12 is installed through threaded connection, and the installation of the hollow cable 10 and the connector is completed.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (5)
1. The utility model provides a connector that hollow cable was used, includes outer conductor (1), with inner conductor (2) of outer conductor (1) looks adaptation, characterized by outer conductor (1) and inner conductor (2) on all be equipped with barb (3) convenient to connect fixedly, inner conductor (2) on install insulator (4), outer conductor (1) one end still be equipped with integrated into one piece and prevent jack catch structure (5) that hollow cable breaks away from, outer conductor (1) on install and be used for tightening up jack catch structure (5) and make hollow cable increase the crimping cover (6) of firm in connection, inner conductor (2) install through interference fit and form indirect mechanical contact's insulating cover (8) with hollow cable inner conductor, outer conductor (1) on still install crimping ring (9) fixed to hollow cable installation, outer conductor (1) form indirect mechanical connection through hollow cable's oversheath and hollow cable outer conductor The coupling connection of the contacts.
2. A connector for a hollow cable according to claim 1, further characterized by: the inner conductor (2) is provided with a step (21), and the step (21) is provided with a bulge (22) for limiting the insulator (4).
3. A connector for a hollow cable according to claim 2, further characterized by: insulator (4) on be equipped with spill step (41) of arch (22) looks adaptation, insulator (4) through interference fit and inner conductor (2) fixed connection.
4. A connector for a hollow cable according to claim 1, further characterized by: outer conductor (1) on be equipped with draw-in groove (11) and swivel nut (12) of movable mounting on outer conductor (1), draw-in groove (11) on be equipped with jump ring (13) that prevent swivel nut (12) to break away from outer conductor (1), outer conductor (1) in be equipped with recess (14) with crimping ring (9) looks adaptation, crimping cover (6) front end be equipped with compression ring (61) of crimpling jack catch structure (5).
5. A connector for a hollow cable according to claim 4, further characterized by: jaw structure (5) including setting up a plurality of annular card strip (51) that outer conductor (1) axle center annular distributes on outer conductor (1), annular card strip (51) front end be equipped with trip (52) of a plurality of cockscomb structure, trip (52) on be equipped with inclined plane (53) that the cable of being convenient for got into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111585554.9A CN114221159B (en) | 2021-12-23 | 2021-12-23 | Connector for hollow cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111585554.9A CN114221159B (en) | 2021-12-23 | 2021-12-23 | Connector for hollow cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114221159A true CN114221159A (en) | 2022-03-22 |
| CN114221159B CN114221159B (en) | 2023-08-29 |
Family
ID=80705178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111585554.9A Active CN114221159B (en) | 2021-12-23 | 2021-12-23 | Connector for hollow cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114221159B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114678727A (en) * | 2022-04-27 | 2022-06-28 | 江苏亨鑫科技有限公司 | High performance feeder is with fast-assembling split type joint structure and connector |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1555730A1 (en) * | 2004-01-16 | 2005-07-20 | Andrew Corporation | Connector and coaxial cable with outer conductor cylindral section axial compression connection |
| US20090014212A1 (en) * | 2007-07-13 | 2009-01-15 | Malak Stephen P | Micro encapsulation seal for coaxial cable connectors and method of use thereof |
| CN101667685A (en) * | 2009-07-09 | 2010-03-10 | 江苏俊知技术有限公司 | Welding type radio frequency coaxial-cable assembly |
| CN105490079A (en) * | 2015-12-23 | 2016-04-13 | 广东中德电缆有限公司 | Cable, connector and anti-twist assembly structure |
| CN106688145A (en) * | 2014-07-30 | 2017-05-17 | 康宁光电通信Rf有限责任公司 | Coaxial cable connectors with conductor retaining members |
| CN109616840A (en) * | 2018-11-13 | 2019-04-12 | 苏州兆特电子股份有限公司 | A kind of small high-power push-in type radio frequency (RF) coaxial connector |
| US20210104827A1 (en) * | 2019-10-07 | 2021-04-08 | Commscope Technologies Llc | Easily assembled coaxial cable and connector with rear body |
-
2021
- 2021-12-23 CN CN202111585554.9A patent/CN114221159B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1555730A1 (en) * | 2004-01-16 | 2005-07-20 | Andrew Corporation | Connector and coaxial cable with outer conductor cylindral section axial compression connection |
| US20090014212A1 (en) * | 2007-07-13 | 2009-01-15 | Malak Stephen P | Micro encapsulation seal for coaxial cable connectors and method of use thereof |
| CN101667685A (en) * | 2009-07-09 | 2010-03-10 | 江苏俊知技术有限公司 | Welding type radio frequency coaxial-cable assembly |
| CN106688145A (en) * | 2014-07-30 | 2017-05-17 | 康宁光电通信Rf有限责任公司 | Coaxial cable connectors with conductor retaining members |
| CN105490079A (en) * | 2015-12-23 | 2016-04-13 | 广东中德电缆有限公司 | Cable, connector and anti-twist assembly structure |
| CN109616840A (en) * | 2018-11-13 | 2019-04-12 | 苏州兆特电子股份有限公司 | A kind of small high-power push-in type radio frequency (RF) coaxial connector |
| US20210104827A1 (en) * | 2019-10-07 | 2021-04-08 | Commscope Technologies Llc | Easily assembled coaxial cable and connector with rear body |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114678727A (en) * | 2022-04-27 | 2022-06-28 | 江苏亨鑫科技有限公司 | High performance feeder is with fast-assembling split type joint structure and connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114221159B (en) | 2023-08-29 |
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