CN108565649B - Radio frequency coaxial connector capable of preventing cable from falling off - Google Patents
Radio frequency coaxial connector capable of preventing cable from falling off Download PDFInfo
- Publication number
- CN108565649B CN108565649B CN201810297203.XA CN201810297203A CN108565649B CN 108565649 B CN108565649 B CN 108565649B CN 201810297203 A CN201810297203 A CN 201810297203A CN 108565649 B CN108565649 B CN 108565649B
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- CN
- China
- Prior art keywords
- clamping plate
- clamping
- fixed
- base
- nut
- Prior art date
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Links
- 239000012212 insulator Substances 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims description 6
- 238000002788 crimping Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 2
- 239000004020 conductor Substances 0.000 description 4
- 238000005253 cladding Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- 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
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
-
- 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
- H01R13/59—Threaded ferrule or bolt operating in a direction parallel to the cable or wire
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention relates to a radio frequency coaxial connector for preventing a cable from falling off, which comprises a shell, a threaded sleeve, a nut, a contact pin and a bushing; the screw sleeve is sleeved at the front end of the shell, the insulator is fixed in the shell, the contact pin is fixed in the insulator, the bushing is arranged in the nut, and the nut is locked and fixed in a locking cavity at the rear end of the shell through threaded fit; the bushing comprises a base, a first channel is arranged in the base, 16 clamping terminals are arranged on the front end face of the base and uniformly arranged on the base in a circumferential shape, the bushing is arranged in a second channel of a nut, a circle of pushing blocks are arranged on the inner wall of the second channel and are pressed on a second clamping plate, and the clamping terminals are coated and arranged outside the contact pins.
Description
Technical Field
The invention relates to a radio frequency coaxial connector, in particular to a radio frequency coaxial connector capable of preventing a cable from falling off.
Background
The radio frequency coaxial connector is mainly used for realizing the switching and transmission of radio frequency signals and is widely applied to the fields of communication systems, microwave measurement systems, instruments and meters and the like. A radio frequency coaxial connector typically includes an outer conductor, an inner conductor, and an insulator between the inner and outer conductors coaxially assembled together; the functions realized by the connector can be divided into a connector of a matched cable, a microstrip connector, an adapter and the like.
The radio frequency coaxial connector of the adapting cable is mainly used for being connected with the radio frequency coaxial cable to realize signal transmission, the radio frequency coaxial cable consists of a core wire, a shielding layer and an insulating layer, the connector is connected with the radio frequency coaxial cable to connect the cable core wire with an inner conductor of the connector, the shielding layer of the cable is connected with a connector shell, and the continuity of characteristic impedance is ensured during connection so as to ensure the quality of signal transmission.
After the existing radio frequency coaxial connector is connected with a cable, the cable is easy to loose due to the fact that the outer diameter of the cable is large, the service life of a product is influenced, and potential safety hazards exist.
Disclosure of Invention
Aiming at the problems, the invention provides the radio frequency coaxial connector for preventing the cable from falling off, which can stably fix the cable, has good stability, improves the safety performance and prolongs the service life.
The specific technical scheme is as follows:
a radio frequency coaxial connector for preventing a cable from falling off comprises a shell, a threaded sleeve, a nut, a contact pin and a bushing;
the screw sleeve is sleeved at the front end of the shell, the insulator is fixed in the shell, the contact pin is fixed in the insulator, the bushing is arranged in the nut, and the nut is locked and fixed in a locking cavity at the rear end of the shell through threaded fit;
the bushing comprises a base, a first channel is arranged in the base, 16 clamping terminals are arranged on the front end face of the base, and the clamping terminals are uniformly arranged on the base in a circumferential shape;
the clamping terminal comprises a first clamping plate, a second clamping plate and a third clamping plate, wherein the first clamping plate is vertically fixed on the base, the second clamping plate is obliquely and outwards fixed at the front end of the first clamping plate, and the third clamping plate is obliquely and inwards fixed at the front end of the second clamping plate;
the included angle between the outer wall of the second clamping plate and the vertical direction is a, and a is more than 65 degrees and less than 85 degrees;
the thickness of the second clamping plate is gradually increased from back to front, the thickness of the third clamping plate is gradually reduced from back to front, an included angle between the second clamping plate and the outer side wall of the third clamping plate is b, and an included angle between the second clamping plate and the inner side wall of the third clamping plate is c, wherein b is smaller than c;
the bush sets up in the second passageway of nut, is equipped with round ejector pad on the inner wall of second passageway, and the ejector pad is pressed and is established on the second joint board, and joint terminal cladding sets up in the outside of contact pin.
The radio frequency coaxial connector for preventing the cable from falling off comprises two adjacent clamping terminals, wherein the distance between the two adjacent clamping terminals is 0.5-1.5mm.
The radio frequency coaxial connector for preventing the cable from falling off is characterized in that the front end of the third clamping plate is provided with a splicing groove, a clamping connection block is fixed in the splicing groove in a clamping connection mode, the clamping connection block is of a cylindrical structure, a splicing column is arranged on the clamping connection block, the splicing column is arranged in the splicing groove in an inserted mode, a circle of V-shaped inserting plates are arranged on the splicing column, and the V-shaped inserting plates are fixed in the V-shaped inserting grooves on the inner wall of the splicing groove.
The radio frequency coaxial connector for preventing the cable from falling off, wherein a distance L1 between two oppositely arranged crimping blocks is smaller than an inner diameter d1 of a first channel on the base.
The radio frequency coaxial connector for preventing the cable from falling off is characterized in that a plurality of buffer channels are axially arranged on the crimping block, and the buffer channels are uniform in circumference.
The radio frequency coaxial connector for preventing the cable from falling off, wherein the thickness of the first clamping plate is gradually reduced from front and rear ends to the middle.
The beneficial effects of the invention are as follows:
when the cable is installed, the cable passes through the first channel of the nut and the bushing to be fixed on the contact pin, the nut is locked by the threaded fit, and the push block pushes the second clamping plate to shrink inwards in the locking process of the nut, so that the third clamping plate is pressed on the cable, and the cable is stably fixed.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is a cross-sectional view of the bushing.
Fig. 3 is a cross-sectional view of the nut.
Fig. 4 is an enlarged view of a portion a in fig. 2.
Reference numerals:
the nut comprises a shell 1, a threaded sleeve 2, a nut 3, a contact pin 4, a bushing 5, an insulator 6, a locking cavity 7, a first channel 8, a clamping terminal 9, a first clamping plate 10, a second clamping plate 11, a third clamping plate 12, a push block 13, a press-connection block 14, a plug-connection column 15, a V-shaped plug board 16 and a buffer channel 17.
Detailed Description
In order to make the technical scheme of the invention clearer and more definite, the invention is further described below, and any scheme obtained by carrying out equivalent substitution and conventional reasoning on the technical characteristics of the technical scheme of the invention falls into the protection scope of the invention.
The radio frequency coaxial connector for preventing the cable from falling off comprises a shell 1, a threaded sleeve 2, a nut 3, a contact pin 4 and a bushing 5;
the screw sleeve is sleeved at the front end of the shell, the insulator 6 is fixed in the shell, the contact pin is fixed in the insulator, the bushing is arranged in the nut, and the nut is locked and fixed in the locking cavity 7 at the rear end of the shell through screw thread fit;
the bushing comprises a base, a first channel 8 is arranged in the base, 16 clamping terminals 9 are arranged on the front end face of the base, and the clamping terminals are uniformly arranged on the base in a circumferential shape;
the clamping terminal comprises a first clamping plate 10, a second clamping plate 11 and a third clamping plate 12, wherein the first clamping plate is vertically fixed on the base, the second clamping plate is obliquely outwards fixed at the front end of the first clamping plate, and the third clamping plate is obliquely inwards fixed at the front end of the second clamping plate;
the included angle between the outer wall of the second clamping plate and the vertical direction is a, and a is more than 65 degrees and less than 85 degrees;
the thickness of the second clamping plate is gradually increased from back to front, the thickness of the third clamping plate is gradually reduced from back to front, an included angle between the second clamping plate and the outer side wall of the third clamping plate is b, and an included angle between the second clamping plate and the inner side wall of the third clamping plate is c, wherein b is smaller than c;
the bush sets up in the second passageway of nut, is equipped with round ejector pad 13 on the inner wall of second passageway, and the ejector pad is pressed and is established on the second joint board, and joint terminal cladding sets up in the outside of contact pin.
The distance between two adjacent clamping terminals is 0.5-1.5mm.
The front end of the third joint board is provided with a plugging groove, a clamping connection type pressing connection block 14 is fixed in the plugging groove, the pressing connection block is of a cylindrical structure, a plugging column 15 is arranged on the pressing connection block, the plugging column is arranged in the plugging groove in an inserted mode, a circle of V-shaped plug boards 16 are arranged on the plugging column, and the V-shaped plug boards are fixed in the V-shaped slots on the inner wall of the plugging groove.
The distance L1 between two oppositely arranged crimping blocks is smaller than the inner diameter d1 of the first channel on the base.
The press-connection block is axially provided with a plurality of buffer channels 17 which are uniform in circumference shape.
The thickness of the first clamping plate gradually decreases from the front end and the rear end to the middle.
When the cable is installed, the cable passes through the first channel of the nut and the bushing to be fixed on the contact pin, the nut is locked by the threaded fit, and the push block pushes the second clamping plate to shrink inwards in the locking process of the nut, so that the third clamping plate is pressed on the cable, and the cable is stably fixed.
Claims (2)
1. The radio frequency coaxial connector for preventing the cable from falling off is characterized by comprising a shell, a threaded sleeve, a nut, a contact pin and a bushing;
the screw sleeve is sleeved at the front end of the shell, the insulator is fixed in the shell, the contact pin is fixed in the insulator, the bushing is arranged in the nut, and the nut is locked and fixed in a locking cavity at the rear end of the shell through threaded fit;
the bushing comprises a base, a first channel is arranged in the base, 16 clamping terminals are arranged on the front end face of the base, and the clamping terminals are uniformly arranged on the base in a circumferential shape;
the clamping terminal comprises a first clamping plate, a second clamping plate and a third clamping plate, wherein the first clamping plate is vertically fixed on the base, the second clamping plate is obliquely and outwards fixed at the front end of the first clamping plate, and the third clamping plate is obliquely and inwards fixed at the front end of the second clamping plate;
the included angle between the outer wall of the second clamping plate and the vertical direction is a, and a is more than 65 degrees and less than 85 degrees;
the thickness of the second clamping plate is gradually increased from back to front, the thickness of the third clamping plate is gradually reduced from back to front, an included angle between the second clamping plate and the outer side wall of the third clamping plate is b, and an included angle between the second clamping plate and the inner side wall of the third clamping plate is c, wherein b is smaller than c;
the bushing is arranged in a second channel of the nut, a circle of pushing block is arranged on the inner wall of the second channel, the pushing block is pressed on the second clamping plate, and the clamping terminal is coated and arranged outside the contact pin;
the distance between two adjacent clamping terminals is 0.5-1.5mm;
the front end of the third clamping plate is provided with a plugging groove, a clamping type pressing block is fixed in the plugging groove in a clamping type manner, the pressing block is of a cylindrical structure, a plugging column is arranged on the pressing block, the plugging column is arranged in the plugging groove in a plug-in type manner, a circle of V-shaped plugboards are arranged on the plugging column, and the V-shaped plugboards are fixed in the V-shaped slots on the inner wall of the plugging groove;
the distance L1 between the two oppositely arranged crimping blocks is smaller than the inner diameter d1 of the first channel on the base;
the press-connection block is axially provided with a plurality of buffer channels which are uniformly arranged in a circumferential shape.
2. The rf coaxial connector of claim 1, wherein the thickness of the first clamping plate decreases from the front and rear ends to the middle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810297203.XA CN108565649B (en) | 2018-04-04 | 2018-04-04 | Radio frequency coaxial connector capable of preventing cable from falling off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810297203.XA CN108565649B (en) | 2018-04-04 | 2018-04-04 | Radio frequency coaxial connector capable of preventing cable from falling off |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108565649A CN108565649A (en) | 2018-09-21 |
| CN108565649B true CN108565649B (en) | 2023-11-10 |
Family
ID=63534053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810297203.XA Active CN108565649B (en) | 2018-04-04 | 2018-04-04 | Radio frequency coaxial connector capable of preventing cable from falling off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108565649B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD282783A5 (en) * | 1989-04-25 | 1990-09-19 | Funkwerk Koepenick Zentr F For | HF CONNECTORS FOR SYMMETRIC, SHIELDED CABLES |
| CA2432051A1 (en) * | 2003-05-16 | 2004-11-16 | Parry Chen | Radio frequency coaxial connector |
| CN201185283Y (en) * | 2008-04-23 | 2009-01-21 | 常州安费诺福洋通信设备有限公司 | Pin type rf coaxial connector |
| CN101841108A (en) * | 2010-05-06 | 2010-09-22 | 镇江市正恺电子有限公司 | Double wedge type radio frequency connector |
| CN202183539U (en) * | 2011-03-11 | 2012-04-04 | 宜兴亚泰科技有限公司 | Radio frequency coaxial connector matched with 1/2'' coaxial cable |
| CN202564729U (en) * | 2012-01-11 | 2012-11-28 | 张辉 | Double-layer screened coaxial cable with anti-separation design |
| CN205657192U (en) * | 2016-02-16 | 2016-10-19 | 镇江浩华通讯有限公司 | Radio frequency coaxial connector |
| CN208257059U (en) * | 2018-04-04 | 2018-12-18 | 江苏华吉通信科技有限公司 | A kind of radio frequency (RF) coaxial connector for preventing cable from falling off |
-
2018
- 2018-04-04 CN CN201810297203.XA patent/CN108565649B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD282783A5 (en) * | 1989-04-25 | 1990-09-19 | Funkwerk Koepenick Zentr F For | HF CONNECTORS FOR SYMMETRIC, SHIELDED CABLES |
| CA2432051A1 (en) * | 2003-05-16 | 2004-11-16 | Parry Chen | Radio frequency coaxial connector |
| CN201185283Y (en) * | 2008-04-23 | 2009-01-21 | 常州安费诺福洋通信设备有限公司 | Pin type rf coaxial connector |
| CN101841108A (en) * | 2010-05-06 | 2010-09-22 | 镇江市正恺电子有限公司 | Double wedge type radio frequency connector |
| CN202183539U (en) * | 2011-03-11 | 2012-04-04 | 宜兴亚泰科技有限公司 | Radio frequency coaxial connector matched with 1/2'' coaxial cable |
| CN202564729U (en) * | 2012-01-11 | 2012-11-28 | 张辉 | Double-layer screened coaxial cable with anti-separation design |
| CN205657192U (en) * | 2016-02-16 | 2016-10-19 | 镇江浩华通讯有限公司 | Radio frequency coaxial connector |
| CN208257059U (en) * | 2018-04-04 | 2018-12-18 | 江苏华吉通信科技有限公司 | A kind of radio frequency (RF) coaxial connector for preventing cable from falling off |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108565649A (en) | 2018-09-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20231017 Address after: 130012 4629 Renmin Street, Chaoyang District, Changchun, Jilin Applicant after: CHANGCHUN POWER SUPPLY COMPANY OF STATE GRID JILINSHENG ELECTRIC POWER SUPPLY Co. Address before: 212000 Industrial Park, Dalu Town, New District, Zhenjiang City, Jiangsu Province Applicant before: JIANGSU HUAJI COMMUNICATION TECHNOLOGY Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |