CN111276833A - Anti-drop coaxial cable termination structure - Google Patents
Anti-drop coaxial cable termination structure Download PDFInfo
- Publication number
- CN111276833A CN111276833A CN201911301195.2A CN201911301195A CN111276833A CN 111276833 A CN111276833 A CN 111276833A CN 201911301195 A CN201911301195 A CN 201911301195A CN 111276833 A CN111276833 A CN 111276833A
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- China
- Prior art keywords
- conductor
- outer conductor
- cable
- thread groove
- clamping ring
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- 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
- H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
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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
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
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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
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
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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
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/56—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation one conductor screwing into another
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The anti-drop coaxial cable termination structure comprises a second inner conductor coaxially arranged inside the second outer conductor, and the second outer conductor is electrically insulated from the second inner conductor; the second inner conductor is in electrical contact with the first inner conductor, and the first outer conductor is in electrical contact with the second outer conductor; the first outer conductor is provided with an outer thread groove, the inner wall of the second outer conductor is provided with an inner thread groove, and the outer thread groove is matched with the inner thread groove; an interference fit between the first outer conductor and the second outer conductor; the interference fit is used for improving the connection strength and inhibiting third-order intermodulation; according to the invention, the interference connection between the first outer conductor and the second outer conductor can be realized by clamping and fixing the outer sleeve, so that the connection strength between the connector and the cable is effectively improved, and the outer conductor of the connector and the inner conductor of the cable are prevented from loosening and generating gaps.
Description
Technical Field
The invention belongs to the technical field of communication connectors, and particularly relates to an anti-drop coaxial cable termination structure.
Background
The coaxial cable is a cable which is provided with two concentric conductors, and the conductor and the shielding layer share the same axis; most common coaxial cables consist of copper conductors separated by an insulating material, outside the inner insulating material there is another layer of annular conductor and its insulator, then the whole cable is covered by a sheath of polyvinyl chloride or teflon material;
present coaxial cable is when with coaxial connector, consuming time is very long, need aim at and insert, the operation precision is limited, and simple plug connection structure can lead to the joint strength of cable and connector not high, and the grafting department easily takes off, receives external environment interference easily, and when joint strength is not high, the clearance increase and decrease between the first outer conductor of cable and the second outer conductor of connector, shielding effect reduces, and the signal difference between first outer conductor and the second outer conductor will increase, leads to three intermodulation at last to increase.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an anti-drop coaxial cable termination structure, and the specific technical scheme is as follows:
the anti-drop coaxial cable termination structure comprises a cable main body and a connector main body; the cable main body is assembled and connected with the connector main body; the cable body includes a first outer conductor and a first inner conductor; a first inner conductor is coaxially arranged inside the first outer conductor; the first outer conductor is electrically insulated from the first inner conductor;
the connector main body comprises an outer shell, a second outer conductor and a second inner conductor, wherein the second outer conductor is coaxially arranged inside the outer shell; a second inner conductor is coaxially arranged inside the second outer conductor, and the second outer conductor is electrically insulated from the second inner conductor;
the second inner conductor is in electrical contact with the first inner conductor, and the first outer conductor is in electrical contact with the second outer conductor;
the first outer conductor is provided with an outer thread groove, the inner wall of the second outer conductor is provided with an inner thread groove, and the outer thread groove is matched with the inner thread groove; an interference fit between the first outer conductor and the second outer conductor; the interference fit is used to improve joint strength and suppress third order intermodulation.
Further, the second outer conductor comprises a connecting pipe and a clamping ring, an inner threaded groove is formed in the inner wall of the connecting pipe, and the first outer conductor is spirally embedded into the inner wall of the connecting pipeThe outer end part of the connecting pipe is provided with a clamping ring, the cable main body further comprises a rubber sleeve, the rubber sleeve is wrapped on the outer wall of the first outer conductor, the rubber sleeve is embedded into the clamping ring, and the inner diameter of the clamping ring is D3The length of the outer diameter of the rubber sleeve is D4Said D is3＜D4。
Furthermore, the inlet of the clamping ring is of an inclined surface structure, and the inclined surface structure is arranged from outside to inside in an inclined and downward mode.
The invention has the beneficial effects that:
the first outer conductor and the second outer conductor can be in interference connection by clamping and fixing the outer sleeve, so that the connection strength between the connector and the cable is effectively improved, and the outer conductor of the connector and the inner conductor of the cable are prevented from loosening and generating gaps; on the premise of ensuring the connection strength by the scheme, the signal difference between the conductors can be effectively reduced, and the purpose of effectively inhibiting third-order intermodulation is finally achieved.
Drawings
Fig. 1 is a schematic view showing a separation-preventing type coaxial cable termination structure of the present invention;
fig. 2 is a schematic view showing the assembled connection structure of the cable main body and the second outer conductor of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The anti-drop coaxial cable termination structure comprises a cable main body 1 and a connector main body 2; the cable body 1 is assembled and connected with the connector body 2; the cable body 1 includes a first outer conductor 12 and a first inner conductor 13; a first inner conductor 13 is coaxially arranged inside the first outer conductor 12; the first outer conductor 12 is electrically insulated from the first inner conductor 13;
the connector body 2 comprises an outer shell 21, a second outer conductor 23 and a second inner conductor 24, wherein the second outer conductor 23 is coaxially arranged inside the outer shell 21; a second inner conductor 24 is coaxially arranged inside the second outer conductor 23, and the second outer conductor 23 is electrically insulated from the second inner conductor 24; the electric insulation is used for ensuring that the outer conductor can form a shielding structure;
the second inner conductor 24 is in electrical contact with the first inner conductor 13 and the first outer conductor 12 is in electrical contact with the second outer conductor 23; the coaxial connector can be connected by the electric contact of the inner conductor and the outer conductor;
the first outer conductor 12 is provided with an outer thread groove 121, the inner wall of the second outer conductor 23 is provided with an inner thread groove 231, and the outer thread groove 121 is matched with the inner thread groove 231; the male screw groove 121 and the female screw groove 231 are used to quickly assemble the cable body 1 with the connector body 2;
an interference fit between the first outer conductor 12 and the second outer conductor 23; the interference fit is used for improving the connection strength and inhibiting third-order intermodulation; the interference assembly can improve the connection strength, reduce the signal difference and further inhibit the three-order intermodulation.
As an improvement of the above technical solution, the second outer conductor includes a connecting tube 25 and a clamping ring 26, an inner thread groove 231 is formed on an inner wall of the connecting tube 25, the first outer conductor 12 is spirally embedded into the connecting tube 25, the clamping ring 26 is arranged at an outer end of the connecting tube 25, the cable body 1 further includes a rubber sleeve 11, the rubber sleeve 11 is wrapped on an outer wall of the first outer conductor 12, the rubber sleeve 11 is embedded into the clamping ring 26, and an inner diameter length of the clamping ring 26 is D3The diameter length of the rubber sleeve 11 is D4Said D is3＜D4(ii) a During installation, the interference force between the second outer conductor 23 and the first outer conductor 12 can be broken through in a labor-saving mode through the screwing mode of the threads of the two outer conductors, and the clamping ring is pressed on the rubber sleeve 11 in an interference fit mode, so that the installation and the fixation of the cable and the connector are realized.
As an improvement of the above technical solution, the inlet corner of the clamping ring 26 is an inverted-right-angle structure; the rubber sleeve 11 can be more smoothly inserted into the clamping ring 26 by utilizing the inverted-right-angle structure, so that the clamping process is firmer.
As shown in fig. 1 and 2, fig. 1 is a schematic view illustrating a structure of a separation-preventing type coaxial cable termination according to the present invention; FIG. 2 is a schematic view of the assembled connection of the cable body of FIG. 2 to a second outer conductor;
the second outer conductor 2 comprises a connecting pipe 25 and a clamping ring 26, an inner thread groove 231 is formed in the inner wall of the connecting pipe 25, the first outer conductor 12 is spirally embedded into the connecting pipe 25, and the clamping ring 26 is arranged at the outer end of the connecting pipe 25;
the cable body 1 further comprises a rubber sleeve 11, the rubber sleeve 11 is wrapped on the outer wall of the first outer conductor, the rubber sleeve is embedded into the clamping ring, and the length of the inner diameter of the clamping ring 26 is D3The length of the outer diameter of the rubber sleeve is D4Said D is3＜D4；
During screwing, the second outer conductor 23 is screwed into the first outer conductor 12, the internal thread groove 231 and the external thread groove 121 cooperate with each other, and when the second outer conductor 23 is screwed into a certain position, the rubber sleeve 11 starts to be clamped with the inner wall slope of the clamping ring 26 due to D3＜D4The rubber sleeve 11 can be pressed and deformed inwards by the clamping ring 26, so that the cable body 1 is clamped and limited from the outside; when the second inner conductor 24 is inserted into the first inner conductor 13, the cable is completely inserted into the connector, the second outer conductor 23 is screwed with the first inner conductor 24, and the clamping ring 26 clamps and limits the rubber sleeve 11; the signal is transmitted to the second inner conductor 24 through the first inner conductor 13, the current of the first outer conductor 12 is transmitted to the second outer conductor 22 and then transmitted to the inner wall of the outer shell 21, and the outer shell 21 forms an electric shielding structure outside the second inner conductor 24.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. The anti-drop coaxial cable termination structure comprises a cable main body and a connector main body; the cable main body is assembled and connected with the connector main body; the method is characterized in that: the cable body includes a first outer conductor and a first inner conductor; a first inner conductor is coaxially arranged inside the first outer conductor; the first outer conductor is electrically insulated from the first inner conductor;
the connector main body comprises an outer shell, a second outer conductor and a second inner conductor, wherein the second outer conductor is coaxially arranged inside the outer shell; a second inner conductor is coaxially arranged inside the second outer conductor, and the second outer conductor is electrically insulated from the second inner conductor;
the second inner conductor is in electrical contact with the first inner conductor, and the first outer conductor is in electrical contact with the second outer conductor;
the first outer conductor is provided with an outer thread groove, the inner wall of the second outer conductor is provided with an inner thread groove, and the outer thread groove is matched with the inner thread groove; an interference fit between the first outer conductor and the second outer conductor; the interference fit is used to improve joint strength and suppress third order intermodulation.
2. The drop-resistant coaxial cable termination structure of claim 1, wherein: the cable comprises a cable body and a second outer conductor, wherein the second outer conductor comprises a connecting pipe and a clamping ring, an inner thread groove is formed in the inner wall of the connecting pipe, the first outer conductor is spirally embedded into the connecting pipe, the clamping ring is arranged at the outer end of the connecting pipe, the cable body further comprises a rubber sleeve, the rubber sleeve is wrapped on the outer wall of the first outer conductor and embedded into the clamping ring, and the inner diameter of the clamping ring is D3The length of the outer diameter of the rubber sleeve is D4Said D is3＜D4The clamping ring is used for clamping and fixing the outer sleeve.
3. The drop-resistant coaxial cable termination structure of claim 2, wherein: the entrance of the clamping ring is of an inclined surface structure, and the inclined surface structure is arranged from outside to inside in an inclined and downward mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911301195.2A CN111276833A (en) | 2019-12-17 | 2019-12-17 | Anti-drop coaxial cable termination structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911301195.2A CN111276833A (en) | 2019-12-17 | 2019-12-17 | Anti-drop coaxial cable termination structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111276833A true CN111276833A (en) | 2020-06-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911301195.2A Pending CN111276833A (en) | 2019-12-17 | 2019-12-17 | Anti-drop coaxial cable termination structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111276833A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1102733A (en) * | 1993-05-14 | 1995-05-17 | 惠特克公司 | Coaxial connector for coaxial cable having a corrugated outer conductor |
| EP1049198A2 (en) * | 1999-04-27 | 2000-11-02 | Yazaki Corporation | A connector for a shielded wire |
| US6439924B1 (en) * | 2001-10-11 | 2002-08-27 | Corning Gilbert Inc. | Solder-on connector for coaxial cable |
| CN1146088C (en) * | 1997-04-07 | 2004-04-14 | 安德鲁公司 | Connector for coaxial cable |
| CN1649209A (en) * | 2004-01-29 | 2005-08-03 | 斯宾纳电子技术工厂有限公司 | Connector for coaxial cable with ring wave external conductor |
| CN100399630C (en) * | 2003-02-13 | 2008-07-02 | 安德鲁公司 | Low cost, high performance cable-connector system and assembly method |
| CN101483282A (en) * | 2008-12-31 | 2009-07-15 | 罗森伯格亚太电子有限公司 | Coaxial electric cable connector for sylphon bellowss |
| CN101800367A (en) * | 2010-02-02 | 2010-08-11 | 罗森伯格亚太电子有限公司 | Coaxial cable connector |
| CN201601344U (en) * | 2010-02-02 | 2010-10-06 | 罗森伯格亚太电子有限公司 | Coaxial cable connector |
| CN206478102U (en) * | 2016-12-28 | 2017-09-08 | 上海振高螺母有限公司 | A kind of metal path locking nut |
| CN206697705U (en) * | 2017-04-07 | 2017-12-01 | 江苏广宇网络器材有限公司 | A kind of radio frequency (RF) coaxial connector |
| CN108232487A (en) * | 2016-12-15 | 2018-06-29 | 康普技术有限责任公司 | Coaxial cable connector |
-
2019
- 2019-12-17 CN CN201911301195.2A patent/CN111276833A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1102733A (en) * | 1993-05-14 | 1995-05-17 | 惠特克公司 | Coaxial connector for coaxial cable having a corrugated outer conductor |
| CN1146088C (en) * | 1997-04-07 | 2004-04-14 | 安德鲁公司 | Connector for coaxial cable |
| EP1049198A2 (en) * | 1999-04-27 | 2000-11-02 | Yazaki Corporation | A connector for a shielded wire |
| US6439924B1 (en) * | 2001-10-11 | 2002-08-27 | Corning Gilbert Inc. | Solder-on connector for coaxial cable |
| CN100399630C (en) * | 2003-02-13 | 2008-07-02 | 安德鲁公司 | Low cost, high performance cable-connector system and assembly method |
| CN1649209A (en) * | 2004-01-29 | 2005-08-03 | 斯宾纳电子技术工厂有限公司 | Connector for coaxial cable with ring wave external conductor |
| CN101483282A (en) * | 2008-12-31 | 2009-07-15 | 罗森伯格亚太电子有限公司 | Coaxial electric cable connector for sylphon bellowss |
| CN101800367A (en) * | 2010-02-02 | 2010-08-11 | 罗森伯格亚太电子有限公司 | Coaxial cable connector |
| CN201601344U (en) * | 2010-02-02 | 2010-10-06 | 罗森伯格亚太电子有限公司 | Coaxial cable connector |
| CN108232487A (en) * | 2016-12-15 | 2018-06-29 | 康普技术有限责任公司 | Coaxial cable connector |
| CN206478102U (en) * | 2016-12-28 | 2017-09-08 | 上海振高螺母有限公司 | A kind of metal path locking nut |
| CN206697705U (en) * | 2017-04-07 | 2017-12-01 | 江苏广宇网络器材有限公司 | A kind of radio frequency (RF) coaxial connector |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200612 |