CN103311758A - Radio frequency coaxial cable connector - Google Patents

Radio frequency coaxial cable connector Download PDF

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Publication number
CN103311758A
CN103311758A CN2013101726783A CN201310172678A CN103311758A CN 103311758 A CN103311758 A CN 103311758A CN 2013101726783 A CN2013101726783 A CN 2013101726783A CN 201310172678 A CN201310172678 A CN 201310172678A CN 103311758 A CN103311758 A CN 103311758A
Authority
CN
China
Prior art keywords
shell
radio frequency
frequency coaxial
cable connector
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.)
Pending
Application number
CN2013101726783A
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Chinese (zh)
Inventor
王雪锋
吴玉芬
杜乐德
张伟超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YIXING YATAI TECHNOLOGY CO LTD
Original Assignee
YIXING YATAI TECHNOLOGY CO LTD
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by YIXING YATAI TECHNOLOGY CO LTD filed Critical YIXING YATAI TECHNOLOGY CO LTD
Priority to CN2013101726783A priority Critical patent/CN103311758A/en
Publication of CN103311758A publication Critical patent/CN103311758A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a radio frequency coaxial cable connector, which comprises a shell, an insulator and a center needle, wherein the insulator is arranged in the shell; the center needle is pressed in the insulator; the shell is connected with a rear barrel; a cable clamp is arranged in the rear barrel; and the close-up mode of the cable clamp is in a thread screwing-in mode. When the rear barrel of the cable is clamped to be screwed into the shell, the center conductor of the cable constantly moves to the cutting slot of the center needle in the shell; the rear barrel is screwed in the shell; the clamping of the cable clamp is tightened; the internal diameter of the cable clamp is reduced; the outer conductor of the cable is clamped; meanwhile, the center conductor of the cable is inserted into the center needle; the outer conductor of the cable is clamped by the thread screwing-in mode closing up of the cable clamp; and damage on the cable by welding or crimping is avoided.

Description

The radio frequency coaxial-cable connector
Technical field
The present invention relates to telecommunications and instrumentation table technical field, more specifically relate to a kind of radio frequency coaxial-cable connector.
Background technology
The radio frequency (RF) coaxial connector that connects coaxial cable is not only simple and reliable for structure, be convenient to install, simultaneously reliability, shock resistance are good, machinery and electric property are good, also has water-proof function preferably simultaneously, long service life, and can guarantee that the distortion of coaxial cable signal transmission is minimum, improve the accuracy of signal transmission.
The radio frequency coaxial-cable connector of prior art, center needle and wire rod are to fetch fixedly wire rod inner wire and center needle by the tin wire bond, and the braiding of wire rod or outer conductor all are fixing by the crimping of other external member or welding, easily cause breaking of wire rod loosening.
Summary of the invention
The invention provides a kind of simple in structure, be convenient to assemble, cost is low, serviceability is good radio frequency coaxial-cable connector.
According to an aspect of the present invention, provide a kind of radio frequency coaxial-cable connector, comprise shell, insulator and center needle, be provided with insulator in the shell, center needle is pressed in the insulator, and shell is connected with rear thread sleeve, be provided with wire clamp in the rear thread sleeve, the closing in mode of wire clamp is the thread screw-in.The rear thread sleeve that clamps cable is fashionable to the shell inward turning, the center conductor of the cable constantly profile groove of the center needle in the shell moves, rear thread sleeve tightens in the enclosure, it is tight that the clamping of wire clamp becomes, the internal diameter of wire clamp reduces thereupon, the outer conductor of cable is clamped, and the center conductor of cable also inserts in the center needle simultaneously.The closing in of the thread screw-in by wire clamp clamps the outer conductor of cable, has avoided because the damage that welding or crimping cause cable.
In some embodiments, the center needle afterbody is provided with profile groove, and the afterbody of center needle is relative with rear thread sleeve.
In some embodiments, the other end of shell is connected with preceding swivel nut, and the front end of preceding swivel nut is provided with the silica gel circle.When two radio frequency coaxial-cable connectors connected use, the silica gel circle increased the sealing property between two radio frequency coaxial-cable connectors.
In some embodiments, rear thread sleeve is bolted in shell, is provided with first sealing ring in the rear thread sleeve, and shell and the rear thread sleeve place of being spirally connected are provided with second sealing ring.The effect of first sealing ring is the sealing that increases between radio frequency coaxial-cable connector and the cable.The effect of second sealing ring is the sealing that increases between rear thread sleeve and the shell.
In some embodiments, be provided with snap ring in the preceding swivel nut, snap ring is notched circular, and the silica gel circle is positioned at the outside of snap ring.Swivel nut can freely rotate on shell before snap ring made.
In some embodiments, the material of center needle is brass or phosphor-copper.Brass is softer, and the lathe car is easy to turning when processed, and the unit price of brass is lower, reduces cost; The good springiness of phosphor-copper, slow than brass when the lathe car is processed, the plug long service life.
In some embodiments, the material of insulator is polytetrafluoroethylene.Polytetrafluoroethylene is high temperature resistant, corrosion-resistant, difficult aging, good airproof performance.
In some embodiments, the material of shell is brass.The signal transmission performance of brass is better.
In some embodiments, the material of preceding swivel nut and rear thread sleeve is brass, and preceding swivel nut and rear thread sleeve are provided with coating outward, and coating is followed successively by red copper and ternary alloy three-partalloy from inside to outside.The signal transmission performance of brass is better, and the coating that is followed successively by red copper and ternary alloy three-partalloy also can increase the signal transmission performance of swivel nut.
Description of drawings
Fig. 1 is the structural representation of the radio frequency coaxial-cable connector of an embodiment of the present invention;
Fig. 2 is the structural representation of preceding swivel nut of the radio frequency coaxial-cable connector of an embodiment of the present invention;
Fig. 3 is the structural representation of rear thread sleeve of the radio frequency coaxial-cable connector of an embodiment of the present invention;
Fig. 4 is the structural representation of center needle of the radio frequency coaxial-cable connector of an embodiment of the present invention;
Fig. 5 is the structural representation of insulator of the radio frequency coaxial-cable connector of an embodiment of the present invention;
Fig. 6 is the structural representation of shell of the radio frequency coaxial-cable connector of an embodiment of the present invention;
Fig. 7 is the structural representation of wire clamp of the radio frequency coaxial-cable connector of an embodiment of the present invention;
Fig. 8 is the vertical view of snap ring of the radio frequency coaxial-cable connector of an embodiment of the present invention.
Embodiment
Shown in Fig. 1-7, the invention provides a kind of radio frequency coaxial-cable connector, comprise shell 6, insulator 5 and center needle 2.Be fixed with insulator 5 on shell 6 inwalls, center needle 2 is put into insulator 5 by the mode of extruding.The material of shell 6 is brass.The signal transmission performance of brass is better.The material of insulator 5 is polytetrafluoroethylene.Polytetrafluoroethylene is high temperature resistant, corrosion-resistant, difficult aging, good airproof performance.
Center needle 2 afterbodys are provided with profile groove 21, and wire clamp 8 is set in the rear thread sleeve 11 movably, and wire clamp 8 can freely rotate in rear thread sleeve 11.The afterbody of center needle 2 is near wire clamp 8.The closing in mode of wire clamp 8 is the thread screw-in in the rear thread sleeve 11.The rear thread sleeve 11 that clamps cable is fashionable to shell 6 inward turnings, the cable constantly profile groove 21 of the center needle 2 in the shell 6 moves, tighten in the rear thread sleeve 11, the folder tooth 81 of wire clamp 8 becomes tight, the internal diameter of wire clamp 8 reduces thereupon, the outer conductor of cable is clamped, and the center conductor of cable also inserts in the center needle 2 simultaneously.The closing in of the thread screw-in by wire clamp 8 clamps the outer conductor of cable, has avoided because the damage that welding or crimping cause cable.The material of center needle 2 is brass or phosphor-copper.Brass is softer, and the unit price of brass is lower, reduces cost; The good springiness of phosphor-copper, the plug dynamics is even, long service life.
Swivel nut 1 and rear thread sleeve 11 before the two ends of shell 6 are respectively equipped with.Preceding swivel nut 1 is riveted on shell 6, swivel nut 1 before the less fore shell 61 of diameter is arranged in the shell 6.Preceding swivel nut 1 is provided with silica gel circle 3 towards an end of shell 6, and silica gel circle 3 is positioned at preceding swivel nut 1 inside, and silica gel circle 3 is circular.Silica gel circle 3 is enclosed within on the fore shell 61 of shell 6.When two radio frequency coaxial-cable connectors connect use, the sealing property that silica gel circle 3 increases between two radio frequency coaxial-cable connectors.Be provided with snap ring 4 in the preceding swivel nut 1, as shown in Figure 8, snap ring 4 is for being provided with the annulus of a breach, and silica gel circle 3 is than the front end of snap ring 4 more close preceding swivel nuts 1.Swivel nut 1 freely rotated on shell 6 before snap ring 4 made.Snap ring 4 is parts that connect preceding swivel nut 1 and shell 6, be provided with the groove that is complementary with snap ring 4 in the preceding swivel nut 1, shell 6 is provided with the groove that is complementary with snap ring 4, breach on the snap ring 4 makes and uses tool to press from both sides snap ring 4 circular when assembling, shell 6 is pressed in the swivel nut 1, snap ring 4 links together with preceding swivel nut 1 and shell 6, thereby preceding swivel nut 1 can freely rotate on shell 6.
The rear end of shell 6 is provided with internal thread, and rear thread sleeve 11 is provided with external screw thread, and rear thread sleeve 11 is bolted in shell 6.Be provided with wire clamp 8 in the rear thread sleeve 11, the folder tooth 81 of wire clamp 8 is towards shell 6.It is the sealing that increases between rear thread sleeve 11 and the shell 6 that the outside of wire clamp 8 is provided with the effect that second sealing ring, 9, the second sealing rings 9 are positioned at shell 6, the second sealing rings 9.It is circular that the male ends place of rear thread sleeve 11 is provided with first sealing ring, 10, the first sealing rings 10, and the effect of first sealing ring 10 is the sealings that increase between radio frequency coaxial-cable connector and the cable.
The material of preceding swivel nut 1 and rear thread sleeve 11 is brass, is provided with coating outside preceding swivel nut 1 and the rear thread sleeve 11, and coating is followed successively by red copper and tin ambrose alloy ternary alloy three-partalloy from inside to outside.The signal transmission performance of brass is better, and the coating that is followed successively by red copper and ternary alloy three-partalloy also can increase the signal transmission performance of swivel nut.

Claims (9)

1. radio frequency coaxial-cable connector, it is characterized in that, comprise shell (6), insulator (5) and center needle (2), be provided with described insulator (5) in the described shell (6), be provided with described center needle (2) in the described insulator (5), described shell (6) is connected with rear thread sleeve (11), is provided with wire clamp (8) in the described rear thread sleeve (11), and the closing in mode of described wire clamp (8) is the thread screw-in.
2. radio frequency coaxial-cable connector according to claim 1 is characterized in that, described center needle (2) afterbody is provided with profile groove, and the afterbody of described center needle (2) is relative with rear thread sleeve (11).
3. radio frequency coaxial-cable connector according to claim 2 is characterized in that, an end of the not connection rear thread sleeve (11) of described shell (6) is connected with preceding swivel nut (1), and the front end of described preceding swivel nut (1) is provided with silica gel circle (3).
4. radio frequency coaxial-cable connector according to claim 3 is characterized in that, is provided with first sealing ring (10) in the described rear thread sleeve (11), and described shell (6) is provided with second sealing ring (9) with the described rear thread sleeve place of being spirally connected.
5. radio frequency coaxial-cable connector according to claim 4 is characterized in that, is provided with snap ring (4) in the described preceding swivel nut (1), and described snap ring (4) is notched circular, and described silica gel circle (3) is positioned at the outside of described snap ring (4).
6. radio frequency coaxial-cable connector according to claim 5 is characterized in that, the material of described center needle (2) is brass or phosphor-copper.
7. radio frequency coaxial-cable connector according to claim 6 is characterized in that, the material of described insulator (5) is polytetrafluoroethylene.
8. radio frequency coaxial-cable connector according to claim 7 is characterized in that, the material of described shell (6) is brass.
9. radio frequency coaxial-cable connector according to claim 8, it is characterized in that, the material of swivel nut (1) and described rear thread sleeve (11) is brass before described, swivel nut (1), described rear thread sleeve (11) and shell (6) all are provided with coating before described, and described coating is followed successively by red copper and ternary alloy three-partalloy from inside to outside.
CN2013101726783A 2013-05-10 2013-05-10 Radio frequency coaxial cable connector Pending CN103311758A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013101726783A CN103311758A (en) 2013-05-10 2013-05-10 Radio frequency coaxial cable connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013101726783A CN103311758A (en) 2013-05-10 2013-05-10 Radio frequency coaxial cable connector

Publications (1)

Publication Number Publication Date
CN103311758A true CN103311758A (en) 2013-09-18

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CN2013101726783A Pending CN103311758A (en) 2013-05-10 2013-05-10 Radio frequency coaxial cable connector

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104467988A (en) * 2014-12-15 2015-03-25 天津七一二通信广播有限公司 Portable standing-wave meter applied to wireless transmitting radio station
CN105680121A (en) * 2016-01-14 2016-06-15 西安金波科技有限责任公司 Millimeter wave antenna head, assembly method thereof and antenna applying millimeter wave antenna head
CN107221816A (en) * 2017-07-06 2017-09-29 镇江华浩通信器材有限公司 A kind of radio frequency (RF) coaxial connector easy to install

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201478638U (en) * 2009-07-02 2010-05-19 富士康(昆山)电脑接插件有限公司 Coaxial connector
CN201985302U (en) * 2011-03-11 2011-09-21 汕头市金桥电缆有限公司 Improved coaxial cable 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
CN202196967U (en) * 2011-07-22 2012-04-18 苏州中日兴通讯有限公司 Mini-type high-frequency coaxial connector
CN203218464U (en) * 2013-05-10 2013-09-25 宜兴亚泰科技有限公司 Radio frequency coaxial cable connector

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201478638U (en) * 2009-07-02 2010-05-19 富士康(昆山)电脑接插件有限公司 Coaxial connector
CN201985302U (en) * 2011-03-11 2011-09-21 汕头市金桥电缆有限公司 Improved coaxial cable 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
CN202196967U (en) * 2011-07-22 2012-04-18 苏州中日兴通讯有限公司 Mini-type high-frequency coaxial connector
CN203218464U (en) * 2013-05-10 2013-09-25 宜兴亚泰科技有限公司 Radio frequency coaxial cable connector

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104467988A (en) * 2014-12-15 2015-03-25 天津七一二通信广播有限公司 Portable standing-wave meter applied to wireless transmitting radio station
CN105680121A (en) * 2016-01-14 2016-06-15 西安金波科技有限责任公司 Millimeter wave antenna head, assembly method thereof and antenna applying millimeter wave antenna head
CN105680121B (en) * 2016-01-14 2018-07-03 西安金波科技有限责任公司 A kind of millimeter wave antenna head and its assembly method and composition antenna
CN107221816A (en) * 2017-07-06 2017-09-29 镇江华浩通信器材有限公司 A kind of radio frequency (RF) coaxial connector easy to install

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Application publication date: 20130918