CN113224558B - Connector for multi-channel connection of large-diameter low-attenuation cable - Google Patents
Connector for multi-channel connection of large-diameter low-attenuation cable Download PDFInfo
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- CN113224558B CN113224558B CN202110492742.0A CN202110492742A CN113224558B CN 113224558 B CN113224558 B CN 113224558B CN 202110492742 A CN202110492742 A CN 202110492742A CN 113224558 B CN113224558 B CN 113224558B
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- 239000004020 conductor Substances 0.000 claims abstract description 31
- 230000001154 acute effect Effects 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 2
- 230000013011 mating Effects 0.000 claims 3
- 230000008054 signal transmission Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
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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
-
- 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
- H01R13/46—Bases; Cases
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to a connector for multi-channel matching of a large-diameter low-attenuation cable, which comprises an outer shell (1), an inner conductor (2) and a medium (3); the inner conductor and the outer shell are integrally formed, so that the continuity of signal transmission is ensured, excellent third-order intermodulation capability is obtained, and the attenuation of a cable assembly is effectively inhibited; increasing the acute included angle alpha formed between the axial leads of the inner left section and the inner middle section and between the axial leads of the inner middle section and the inner right section, and increasing the axial distance d between the axial lead of the excircle at the left end of the outer shell and the axial lead of the excircle at the right end of the outer shell, so that a space which allows the outer diameter of the matched cable to be increased continuously can be obtained; the internal passage of the outer shell adopts an overlapped hole passage or an inclined circular hole passage, thereby meeting different processing and mounting requirements and increasing the application range.
Description
Technical Field
The invention relates to the technical field of communication connectors, in particular to a connector for connecting a large-diameter low-attenuation cable in a multi-channel mode.
Background
As shown in fig. 1-4, the prior art multi-channel connector mainly includes two types, i.e., circular distribution and rectangular distribution, which are both limited, and the selection of the cable outer diameter a is limited by the distance B between the centers of two adjacent channels, i.e., a is required to be smaller than B. The higher the product densification degree is, the smaller the distance B between two adjacent channels is required to be; the better the attenuation requirement on the product, the smaller the attenuation value of the product cable with the same length is required to be, the thicker the outer diameter of the cable is required to be, namely the larger the A value is; this is because the attenuation of a cable is inversely proportional to the diameter of the outer conductor and the diameter of the inner conductor of the cable, i.e., the thicker the cable, the lower the attenuation of the cable, under the same material conditions.
The defects of the existing product mainly comprise: the existing product has the defect that the attenuation is large when the cable assembly is long in a place using the cable assembly, and the loss of transmission signal energy is large when the attenuation of the cable assembly is large, so that the cable assembly is not suitable for long-distance transmission.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a connector for matching a multi-channel large-diameter low-attenuation cable.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a multi-channel connector for matching large-diameter low-attenuation cables comprises an outer shell, an inner conductor and a medium; the inner conductor is positioned in the outer shell, penetrates through the left end of the inner part of the outer shell and then penetrates out of the right end of the inner part of the outer shell, a medium is filled between the inner wall of the left end of the outer shell and the outer wall of the left end of the inner conductor, and a channel is formed between the inner wall of the right end of the outer shell and the outer wall of the right end of the inner conductor; the method is characterized in that:
the inner conductors are arranged in the outer shell in a bent shape and comprise an inner left section, an inner middle section and an inner right section which are sequentially connected from left to right, the inner left section and the inner right section are parallel to each other, and acute included angles formed between axial leads of the inner left section and the inner middle section and between axial leads of the inner middle section and the inner right section are alpha;
the left end and the right end of the outer shell are respectively formed into circular holes, the diameter of the excircle of the left end of the outer shell is D1, the diameter of the excircle of the right end of the outer shell is D2, the minimum distance between the centers of the circles of the excircles of the left ends of the adjacent 2 connectors is B, D1 is more than D2, D1 is more than B, the excircle of the left end of the outer shell is not concentric with the excircle of the right end of the outer shell, and the distance between the axial line of the excircle of the left end of the outer shell and the axial line of the excircle of the right end of the outer shell is D;
the channels are configured as oblique circular hole channels or overlapping hole channels.
Further, the outer case is integrally molded.
Further, the inner conductor is integrally molded.
Further, acute included angles α formed between the axial leads of the inner left section and the inner middle section and between the axial leads of the inner middle section and the inner right section satisfy: alpha is more than 0 degree and less than 45 degrees.
Further, when the inclined circular hole channel is selected as the channel, the inner diameter DT1 of the channel is larger than the outer circle diameter D1 of the left end of the outer shell and smaller than the outer circle diameter D2 of the right end of the outer shell, namely, D1 is larger than DT1 and smaller than D2.
Furthermore, the outer reaming hole is further formed in the position, close to the right end outer circle of the outer shell, of the channel, the inner diameter DT2 of the outer reaming hole is larger than the inner diameter DT1 of the channel and smaller than the right end outer circle diameter D2 of the outer shell, and DT1 is smaller than DT2 and smaller than D2.
Further, when the channel is an overlapping hole channel, the channel is set to be a step-shaped overlapping hole channel.
Further, the inner diameter DT3 of the stepped overlapping bore passage satisfies: DT3 is greater than or equal to (D1 + D2)/2 + D.
The beneficial effects of the invention are:
1) The invention provides a connector for multi-channel matching large-diameter low-attenuation cables, wherein the inner conductor of the connector is integrally bent and formed, and the outer shell is integrally formed, so that the continuity of signal transmission can be ensured, excellent three-order intermodulation capability can be obtained, and the attenuation of a cable assembly can be effectively inhibited.
2) The invention provides a multi-channel connector matched with a large-diameter low-attenuation cable, wherein the diameter D1 of the excircle of the left end of an outer shell is smaller than the minimum center distance B of the excircles of the left ends of adjacent 2 connectors, so that the effect of non-interference in installation can be met; the size of the right end excircle diameter D2 of the outer shell depends on the outer diameter of the cable, namely the attenuation is required to be lower, the selected cable is thicker, and under the condition that the distance between the excircles of the left ends of the adjacent 2 connectors is theoretically fixed, the space which allows the outer diameter of the matched cable to be continuously increased can be obtained only by increasing the acute angle included angle alpha formed between the axial leads of the inner left section and the inner middle section and between the axial leads of the inner middle section and the inner right section and increasing the axial distance D between the axial lead of the excircle of the left end of the outer shell and the axial lead of the excircle of the right end of the outer shell.
3) The invention provides a connector for matching a multi-channel large-diameter low-attenuation cable, wherein an internal channel of an outer shell adopts an overlapped hole channel or an inclined circular hole channel, so that different processing and mounting requirements can be met, and the application range is enlarged.
Drawings
FIG. 1 is a side view of a prior art circular distribution multi-channel connector configuration;
FIG. 2 is a bottom view of the structure of FIG. 1;
FIG. 3 is a side view of a prior art rectangular distribution multi-channel connector configuration;
FIG. 4 is a bottom view of the structure of FIG. 3;
FIG. 5 is a schematic view of a connector of the present invention employing an angled bore passageway;
FIG. 6 is a schematic view of a connector of the present invention employing overlapping bore channels;
FIG. 7 is a side view of the connector of the present invention in a circular arrangement;
FIG. 8 is a bottom view of the connector of the present invention in a circular arrangement;
FIG. 9 is a side view of the connector of the present invention in a rectangular arrangement;
fig. 10 is a bottom view of the rectangular arrangement of the connector of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams each illustrating the basic structure of the present invention only in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 5-10, the technical solution provided by the present invention is as follows:
a connector for multi-channel matching connection of large-diameter low-attenuation cables comprises an outer shell 1, an inner conductor 2 and a medium 3; the inner conductor 2 is positioned inside the outer shell 1, penetrates through the left end inside the outer shell 1, and then penetrates out of the right end inside the outer shell 1, a medium 3 is filled between the inner wall of the left end of the outer shell 1 and the outer wall of the left end of the inner conductor 2, and a channel 4 is formed between the inner wall of the right end of the outer shell 1 and the outer wall of the right end of the inner conductor 2;
the inner conductors 2 are arranged in the outer shell 1 in a bent shape, the inner conductors 2 comprise an inner left section 2-1, an inner middle section 2-2 and an inner right section 2-3 which are sequentially connected with one another from left to right, the inner left section 2-1 and the inner right section 2-3 are parallel to one another, and acute included angles formed between axial leads of the inner left section 2-1 and the inner middle section 2-2 and between axial leads of the inner middle section 2-2 and the inner right section 2-3 are alpha;
the left end and the right end of the outer shell 1 are respectively formed into circular holes, the diameter of the excircle of the left end of the outer shell 1 is D1, the diameter of the excircle of the right end of the outer shell 1 is D2, the minimum distance between the excircles of the left ends of the adjacent 2 connectors is B, D1 is more than D2, D1 is more than B, the excircle of the left end of the outer shell 1 is not concentric with the excircle of the right end of the outer shell 1, and the distance between the axial lead X1 of the excircle of the left end of the outer shell 1 and the axial lead X2 of the excircle of the right end of the outer shell 1 is D;
the channels 4 are arranged as inclined circular hole channels or overlapping hole channels.
Specifically, the outer case 1 is integrally formed; the inner conductor is integrally formed by bending, and the outer shell is integrally formed, so that the continuity of signal transmission can be ensured, excellent three-order intermodulation capability is obtained, and the attenuation of the cable assembly is effectively inhibited.
Specifically, the inner conductor 2 is integrally molded; the inner conductor is integrally formed by bending, and the outer shell is also integrally formed, so that the continuity of signal transmission can be ensured, excellent third-order intermodulation capability is obtained, and the attenuation of a cable assembly is effectively inhibited. .
Specifically, acute included angles α formed between the axial lines of the inner left section 2-1 and the inner middle section 2-2 and between the axial lines of the inner middle section 2-2 and the inner right section 2-3 satisfy that: alpha is more than 0 degree and less than 45 degrees, although theoretically under the condition that the left end excircle interval of 2 adjacent connectors is fixed, as long as through increasing the acute angle included angle alpha formed between the axial lead of the inner left section and the inner middle section and between the axial lead of the inner middle section and the inner right section and the axial lead distance d between the axial lead of the left end excircle of the outer shell and the axial lead of the right end excircle of the outer shell, the space which continuously allows the outer diameter of the adapting cable to be continuously increased can be obtained, but in order to realize stable and effective connection, the acute angle included angle alpha formed between the axial leads of the inner left section 2-1 and the inner middle section 2-2 and between the axial leads of the inner middle section 2-2 and the inner right section 2-3 is generally set to satisfy: alpha is more than 0 degree and less than 45 degrees, thereby avoiding the defects of low strength and the like possibly caused by overlarge included angle.
Specifically, when oblique round hole passageway was chooseed for use to passageway 4, passageway 4's internal diameter DT1 is greater than shell body 1's left end excircle diameter D1, and is less than shell body 1's right-hand member excircle diameter D2 satisfies D1 < DT1 < D2 promptly, has both guaranteed that the form inner conductor 2 of buckling has sufficient accommodation space in shell body 1 inside, avoids passageway internal diameter undersize and the self that probably leads to damages, also can guarantee this connector and outside good grafting simultaneously.
Specifically, passageway 4 is close to outer reaming 4-1 has still been seted up to the right-hand member excircle position of shell body 1, just outer reaming 4-1's internal diameter DT2 is greater than passageway 4's internal diameter DT1, and is less than shell body 1's right-hand member excircle diameter D2 satisfies DT1 < DT2 < D2 promptly, guarantees through axial ladder structure that this connector and outside good grafting and axial positioning, and the space is less and buckles between outer reaming and the inside inner conductor of buckling the form, and unexpected intrusions such as external magazine dust also can pile up in outer reaming position and can not further go deep, convenient real-time clearance, avoids impurity invasion, increase of service life.
Specifically, when the channel 4 is an overlapping hole channel, the channel 4 is set to be a step-shaped overlapping hole channel, and when the channel is matched with the extending direction of the inner conductor, the reduction of the strength of the outer shell, which may be caused by a larger single cross section shape inside the channel 4, is also avoided.
Specifically, the inner diameter DT3 of the stepped overlapping hole channel satisfies: DT3 is greater than or equal to (D1 + D2)/2 + D, so that the inner diameter of the step-shaped overlapped hole channel is greater than or equal to the distance between the top of the excircle at the left end of the outer shell 1 and the bottom of the excircle at the right end of the outer shell, and stable arrangement and extension of the inner conductor 2 are guaranteed.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. A multi-channel connector matched with a large-diameter low-attenuation cable comprises an outer shell (1), an inner conductor (2) and a medium (3); the inner conductor (2) is positioned inside the outer shell (1), penetrates through the left end of the inner part of the outer shell (1) and then penetrates out of the right end of the inner part of the outer shell (1), a medium (3) is filled between the inner wall of the left end of the outer shell (1) and the outer wall of the left end of the inner conductor (2), and a channel (4) is formed between the inner wall of the right end of the outer shell (1) and the outer wall of the right end of the inner conductor (2); the method is characterized in that:
inner conductor (2) are in the inside of shell body (1) is the form of buckling and arranges, just inner conductor (2) include from a left side to the right side interconnect in proper order interior left side section (2-1), interior middle section (2-2), and interior right side section (2-3), interior left side section (2-1) with interior right side section (2-3) are parallel to each other, just interior left side section (2-1) with between the axial lead of interior middle section (2-2) and interior middle section (2-2) with the acute angle contained angle that forms between the axial lead of interior right side section (2-3) is alpha, contained angle alpha satisfies: alpha is more than 0 degree and less than 45 degrees;
the left end and the right end of the outer shell (1) are respectively formed into circular holes, the diameter of the excircle of the left end of the outer shell (1) is D1, the diameter of the excircle of the right end of the outer shell (1) is D2, the minimum distance between the excircles of the left ends of the adjacent 2 connectors is B, D1 is more than D2, D1 is more than B, the excircle of the left end of the outer shell (1) is not concentric with the excircle of the right end of the outer shell (1), and the distance between the axial lead (X1) of the excircle of the left end of the outer shell (1) and the axial lead (X2) of the excircle of the right end of the outer shell (1) is D;
the channel (4) is arranged to be an inclined circular hole channel or an overlapping hole channel;
when the channel (4) is an inclined circular hole channel, the inner diameter DT1 of the channel (4) is larger than the outer circle diameter D1 of the left end of the outer shell (1) and smaller than the outer circle diameter D2 of the right end of the outer shell (1), namely D1 is larger than DT1 and smaller than D2;
the outer reaming (4-1) is further formed in the position, close to the right end outer circle of the outer shell (1), of the channel (4), the inner diameter DT2 of the outer reaming (4-1) is larger than the inner diameter DT1 of the channel (4) and smaller than the right end outer circle diameter D2 of the outer shell (1), and DT1 & ltDT 2 & ltD 2 is met.
2. A multi-channel connector for mating large diameter low attenuation cables as defined in claim 1 wherein: the outer shell (1) is integrally formed.
3. A multi-channel connector for mating large diameter low attenuation cables as defined in claim 1 wherein: the inner conductor (2) is integrally formed.
4. The multi-channel connector for adapting large-diameter low-attenuation cables as claimed in claim 1, wherein: when the channel (4) is an overlapped hole channel, the channel (4) is arranged into a step-shaped overlapped hole channel.
5. The multi-channel connector for mating large-diameter low-attenuation cables according to claim 4, wherein: the inner diameter DT3 of the stepped overlapping hole channel satisfies the following conditions: DT3 is greater than or equal to (D1 + D2)/2 + D.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110492742.0A CN113224558B (en) | 2021-05-06 | 2021-05-06 | Connector for multi-channel connection of large-diameter low-attenuation cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110492742.0A CN113224558B (en) | 2021-05-06 | 2021-05-06 | Connector for multi-channel connection of large-diameter low-attenuation cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113224558A CN113224558A (en) | 2021-08-06 |
| CN113224558B true CN113224558B (en) | 2023-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110492742.0A Active CN113224558B (en) | 2021-05-06 | 2021-05-06 | Connector for multi-channel connection of large-diameter low-attenuation cable |
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| Country | Link |
|---|---|
| CN (1) | CN113224558B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2605807A1 (en) * | 1986-10-24 | 1988-04-29 | Souriau & Cie | ELECTRICAL CONTACT BAR, METHOD FOR MANUFACTURING SUCH A BAR AND ELECTRICAL CONNECTOR COMPRISING THE SAME |
| CN102610942A (en) * | 2011-01-19 | 2012-07-25 | 日立电线株式会社 | Connector |
| CN204835115U (en) * | 2015-08-13 | 2015-12-02 | 四川永贵科技有限公司 | Switching formula electric connector |
| CN205790501U (en) * | 2016-05-26 | 2016-12-07 | 东莞市讯联电子有限公司 | The adapter of integral type PIN needle injection |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3287810B2 (en) * | 1999-04-28 | 2002-06-04 | モレックス インコーポレーテッド | Electrical connector |
| JP2002203648A (en) * | 2001-12-28 | 2002-07-19 | Molex Inc | Electric connector |
| EP2629377B1 (en) * | 2012-02-16 | 2020-06-17 | MD Elektronik GmbH | Cable for transferring signals |
| DE102014204484B3 (en) * | 2014-03-11 | 2015-09-10 | Te Connectivity Germany Gmbh | Electrical connector and method of making an electrical connector |
| EP3145033B1 (en) * | 2015-09-15 | 2019-12-04 | MD Elektronik GmbH | Ready-to-use electrical cable |
| US9780459B1 (en) * | 2016-03-30 | 2017-10-03 | Te Connectivity Corporation | Linking cable connector |
| WO2017210276A1 (en) * | 2016-05-31 | 2017-12-07 | Amphenol Corporation | High performance cable termination |
| CN112003041B (en) * | 2020-08-18 | 2021-12-10 | 中航富士达科技股份有限公司 | Cable connector assembly |
| CN213124994U (en) * | 2020-09-22 | 2021-05-04 | 西安金波科技有限责任公司 | SSMP type adapter capable of carrying out dislocation connection |
-
2021
- 2021-05-06 CN CN202110492742.0A patent/CN113224558B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2605807A1 (en) * | 1986-10-24 | 1988-04-29 | Souriau & Cie | ELECTRICAL CONTACT BAR, METHOD FOR MANUFACTURING SUCH A BAR AND ELECTRICAL CONNECTOR COMPRISING THE SAME |
| CN102610942A (en) * | 2011-01-19 | 2012-07-25 | 日立电线株式会社 | Connector |
| CN204835115U (en) * | 2015-08-13 | 2015-12-02 | 四川永贵科技有限公司 | Switching formula electric connector |
| CN205790501U (en) * | 2016-05-26 | 2016-12-07 | 东莞市讯联电子有限公司 | The adapter of integral type PIN needle injection |
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| CN113224558A (en) | 2021-08-06 |
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Effective date of registration: 20240912 Address after: 212000 in Jingkou science and Technology Industrial Park, Jingkou District, Zhenjiang City, Jiangsu Province Patentee after: Jiangsu Zhengkai Electronic Technology Co.,Ltd. Country or region after: China Patentee after: Zhuhai Hansen Technology Co.,Ltd. Address before: 212000 in Jingkou science and Technology Industrial Park, Jingkou District, Zhenjiang City, Jiangsu Province Patentee before: Jiangsu Zhengkai Electronic Technology Co.,Ltd. Country or region before: China |