CN114221159B - Connector for hollow cable - Google Patents
Connector for hollow cable Download PDFInfo
- Publication number
- CN114221159B CN114221159B CN202111585554.9A CN202111585554A CN114221159B CN 114221159 B CN114221159 B CN 114221159B CN 202111585554 A CN202111585554 A CN 202111585554A CN 114221159 B CN114221159 B CN 114221159B
- Authority
- CN
- China
- Prior art keywords
- outer conductor
- cable
- hollow
- conductor
- hollow cable
- 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.)
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Classifications
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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 which are 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 also arranged at one end of the outer conductor, a compression joint sleeve which is 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 in indirect mechanical contact with the inner conductor of the hollow cable is arranged on the inner conductor through interference fit, and a compression joint ring which is used for installing and fixing the hollow cable is also arranged on the outer conductor; the invention solves the problem of poor intermodulation caused by discontinuous electrical connection due to incomplete direct contact, has the function of isolating direct current, structurally removes the parts such as a conventional cable clamp, a riveting pipe, a rear sealing ring and the like, 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 existing common connector generally adopts a direct mechanical contact mode to connect a cable, an outer sheath of the cable needs to be stripped, cutting damage can be brought to an inner wavy conductor of the cable, and poor contact between the cable and the connector can be caused by direct mechanical contact, so that electrical connection is discontinuous, and poor communication intermodulation is affected; meanwhile, a direct mechanical contact mode is adopted, so that static electricity and surge cannot be prevented from being conducted between the connector and the cable, a direct current blocker is required to be connected to the cable in series, and investment cost is increased; it is therefore necessary to provide a connector for hollow cables.
Disclosure of Invention
The present invention has been 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 above purpose, the present invention provides the following technical solutions: 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 connect fixedly, the inner conductor on install the insulator, outer conductor one end still be equipped with integrated into one piece and prevent hollow cable break away from the claw structure, the outer conductor on install the crimping cover that is used for tightening up the claw structure and makes hollow cable increase the connection fastness, the inner conductor install through interference fit with hollow cable inner conductor form indirect mechanical contact's insulating cover, the outer conductor on still install the crimping ring of fixing hollow cable installation, the outer conductor form indirect mechanical contact's coupling connection with hollow cable outer conductor through hollow cable's oversheath.
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 protrusion, 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 screw sleeve movably arranged on the outer conductor, the clamping groove is provided with a clamp spring for preventing the screw sleeve from separating from the outer conductor, the outer conductor is internally provided with a groove matched with the compression ring, and the front end of the compression sleeve is provided with a compression ring with a clamping 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 except the axis of the outer conductor, a plurality of saw-tooth-shaped clamping hooks are arranged at the front ends of the annular clamping strips, and inclined planes which are convenient for the cable to enter are arranged on the clamping hooks.
The invention has the beneficial effects that: by passing through
The dielectric isolation is formed between the insulating sleeve and the outer sheath of the hollow cable, so that the hollow cable is connected with the inner conductor and the outer conductor in a coupling way of indirect mechanical contact, and the problem of poor intermodulation caused by discontinuous electrical connection due to incomplete direct mechanical contact is solved;
through the coupling connection mode, the 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 investment cost; when the connector is connected with the cable, only the end face of the cable is needed to be trimmed, and the conventional cable clamp, riveting pipe, rear sealing ring and other parts are removed structurally, so that the cost is saved; the connector is connected, so that 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 cable sheath inserted into the connector is fixed by the claw, so that the cable is prevented from being separated from the connector, and the stability of connection between the connector and the cable is improved;
through the setting of crimping ring, insert the cable and the insulating cover laminating of 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 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 use of the present invention;
the marks in the figure are as follows: the cable comprises an outer conductor 1, a clamping groove 11, a threaded sleeve 12, a clamping spring 13, a groove 14, an inner conductor 2, a limiting table 21, a barb 3, an insulator 4, a concave step 41, a claw 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 connector for hollow cables according to the present invention will be further described by way of example with reference to the accompanying drawings.
Referring to fig. 1-6, the invention provides a connector for a hollow cable, comprising an outer conductor 1 and an inner conductor 2 matched with the outer conductor 1, and is characterized in that barbs 3 which are convenient for connection and fixation are arranged on the outer conductor 1 and the inner conductor 2, an insulator 4 is arranged on the inner conductor 2, a claw structure 5 which is integrally formed and prevents the hollow cable from being separated is also arranged at one end of the outer conductor 1, a crimping sleeve 6 which is used for tightening the claw structure 5 to increase the connection firmness of the hollow cable is arranged on the outer conductor 1, an insulating sleeve 8 which is in indirect mechanical contact with the inner conductor of the hollow cable is arranged on the inner conductor 2 through interference fit, a crimping ring 9 which is convenient for connection and fixation of the hollow cable is also arranged on the outer conductor 1, and the outer conductor 1 is in indirect mechanical contact coupling connection with the outer conductor of the hollow cable through the outer sheath of the hollow cable; the dielectric isolation is formed by the insulating sleeve 8 and the outer sheath of the hollow cable 10, so that the dielectric isolation is formed between the outer conductor 1 and the inner conductor 2 and between the inner conductor and the outer conductor of the hollow cable 10, and the coupling connection of indirect mechanical contact is formed, thereby solving the problem of discontinuous electrical connection caused by incomplete direct mechanical contact and poor intermodulation; by adopting coupling connection, the device can prevent static electricity and surge from being conducted between the connector and the cable, has the function of isolating direct current, does not need to additionally increase a direct current blocker, and reduces investment cost; when the connector is connected with the hollow cable 10, the connector can be in butt joint with the connector only by trimming the end face of the hollow cable 10, so that complex procedures of stripping the cable, cutting the outer conductor of the cable and the like are avoided, and parts such as a conventional cable clamp, a riveting pipe, a rear sealing ring and the like are structurally removed, thereby saving the cost.
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 inserted into the insulator 4 by force, so that the concave step 41 is tightly attached to the protrusion 22, and the barb 3 on the inner conductor 2 penetrates into the outer wall of the insulator 4, so that 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 clamping 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 crimping ring 9, and the front end of the crimping sleeve 6 is provided with a compression ring 61 for shrinking the claw structure 5; the screw opening of the screw sleeve 12 is sleeved on the outer conductor 1, the clamp spring 13 is sleeved on the outer conductor 1 and pushed into the clamping groove 11, and the clamp spring 13 is contracted and fixed on the clamping groove 11 by virtue of elasticity of the clamp spring 13, so that the screw sleeve 12 is installed on the outer conductor 1 and the screw sleeve 12 is prevented from being separated from the outer conductor 1; through the arrangement of the groove 14, the insulating sleeve 8 is mounted on the inner conductor 2 in an interference fit manner, the insulating sleeve 8 and the step 21 are tightly attached to each other, 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 sprung around and tightly attached to the inner wall of the groove 14, and meanwhile, the insulating sleeve 8 is limited and fixed on the outer conductor 1 by the end face of the crimping ring 9 to prevent shaking; through setting up 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 in the inserting process, hollow cable 10 thrust makes crimping ring 9 receive the extrusion, until hollow cable 10 terminal surface is closely with insulating cover 8, the outer sheath of hollow cable 10 is tightly fixed by crimping ring 9 that receives the extrusion to prevent hollow cable 10 from rocking in the connector, promote stability.
The claw structure 5 comprises a plurality of annular clamping strips 51 which are arranged on the outer conductor 1 and distributed in an annular mode beyond the axis of the outer conductor 1, a plurality of saw-tooth-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 is aligned to 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 with the inclined surface 53 and makes the inclined surface 53 expand outwards under the pushing force effect, so that the hollow cable 10 smoothly enters into the outer conductor 1 until the end surface of the hollow cable 10 and the insulating sleeve 8 are mutually tightly adhered, the compression sleeve 6 is rotated to enable the compression sleeve 6 to shrink towards the outer conductor 1, the compression ring 61 presses the annular clamping strip 51 and drives the clamping hooks 52 to shrink inwards in the shrinking process, and the cable is firmly fixed on the outer conductor 1, so that the connection stability of the connector and the cable is improved.
Firstly, cutting the end face of a hollow cable 10 to be flat, aligning the hollow cable 10 to one side of an outer conductor 1 provided with a clamping hook 52, pushing the hollow cable 10 to be inserted into the outer conductor 1, extruding an inclined plane 53 by the hollow cable 10 and expanding the inclined plane 53 outwards in the inserting process so as to facilitate the insertion of the hollow cable 10, aligning a hollow hole of the hollow cable 10 with an insulating sleeve 8, continuously pushing the hollow cable 10, inserting the insulating sleeve 8 into the hollow hole of the hollow cable 10, extruding and deforming a crimping ring 9 in the pushing process of the hollow cable 10 until the end face of the hollow cable 10 and the insulating sleeve 8 are mutually attached, and tightly limiting the outer sheath of the hollow cable 10 on the crimping ring 9 by the crimping ring 9 subjected to extrusion deformation to prevent the outer sheath from shaking; the compression sleeve 6 is retracted in the outer conductor 1 by rotating the compression sleeve 6 through threads, the compression ring 61 extrudes the annular clamping strip 51 and drives the clamping hook 52 to retract inwards in the retraction process, and clamps the clamping hook 52 on the outer sheath of the hollow cable 10, so that the cable is firmly fixed in the outer conductor 1, a sealing ring is placed in the threaded sleeve 12, and a standard interface corresponding to the threaded sleeve 12 is installed through threaded connection, thus the installation of the hollow cable 10 and the connector is completed.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.
Claims (5)
1. The utility model provides a connector that hollow cable 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 be convenient for connect fixed barb (3), 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 crimp sleeve (6) of connection fastness, inner conductor (2) install through interference fit with hollow cable inner conductor form indirect mechanical contact's insulating sleeve (8), outer conductor (1) on still install crimp ring (9) to hollow cable installation fixed, outer conductor (1) form indirect mechanical contact's coupling connection through hollow cable's oversheath and hollow cable outer conductor.
2. A connector for hollow cables as defined in 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 hollow cables as defined in claim 2, further characterized by: 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.
4. A connector for hollow cables as defined in claim 1, further characterized by: the outer conductor (1) on be equipped with draw-in groove (11) and movable mounting swivel nut (12) on outer conductor (1), draw-in groove (11) on be equipped with jump ring (13) that prevent swivel nut (12) 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) that contracts jack catch structure (5).
5. A connector for hollow cables as defined in claim 4, further characterized by: the claw structure (5) comprises a plurality of annular clamping strips (51) which are arranged on the outer conductor (1) and distributed in an annular mode except for the axis of the outer conductor (1), a plurality of saw-tooth 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).
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 CN114221159A (en) | 2022-03-22 |
| CN114221159B true 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) |
Families Citing this family (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 (5)
| 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 |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090014212A1 (en) * | 2007-07-13 | 2009-01-15 | Malak Stephen P | Micro encapsulation seal for coaxial cable connectors and method of use thereof |
| WO2021071656A1 (en) * | 2019-10-07 | 2021-04-15 | 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 (5)
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114221159A (en) | 2022-03-22 |
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