CN104051899B - A kind of radio frequency coaxial electric connector with fast locking device - Google Patents
A kind of radio frequency coaxial electric connector with fast locking device Download PDFInfo
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- CN104051899B CN104051899B CN201410298338.XA CN201410298338A CN104051899B CN 104051899 B CN104051899 B CN 104051899B CN 201410298338 A CN201410298338 A CN 201410298338A CN 104051899 B CN104051899 B CN 104051899B
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Abstract
A kind of radio frequency coaxial electric connector with fast locking device, comprise plug (1) and socket (2), wherein plug (1) comprises plug outer conductor (4), socket (2) comprises socket outer conductor (23), plug (1) is connected by a fast locking device with socket (2), between plug (1) and socket (2), be also provided with the locking device that is threaded; The described locking device that is threaded comprises a sheath (8), sheath (8) one end is connected to plug (1) and socket (2) in both, and sheath (8) other end to be threadedly connected in both plug (1) and socket (2) another; The mechanical reference surface of plug (1) is connected with the mechanical reference surface of socket (2) by the described locking device that is threaded to be close to together.Have good stable connection performance according to electric connector of the present invention, it connects locking mode and can switch between fast lock connects and is threaded.
Description
Technical field
The invention belongs to technical field of electric connectors, especially belong to a kind of radio frequency coaxial electric connector with fast locking device, relate to radio frequency coaxial electric connector and connect locking and sealing.
Background technology
Those skilled in the art is according to the requirement to Fast Installation coaxial connector, develop the radio frequency (RF) coaxial connector that some have fast locking device, as Chinese patent: ZL03103882.4 discloses a kind of electrical plug-in connector, it connects two linkage units by an annular coupling unit, this coupling unit has a lock ring, during locking, this lock ring fastenes the groove of first linkage unit automatically, and is locked on another linkage unit; Axially promote this lock ring, outside the groove making it to be in first linkage unit, two linkage units are separated.This syndeton can realize fast lock between two linkage units and be separated.
Chinese patent ZL200820096613.X discloses a kind of high-power RF coaxial connector with quick locking and separating mechanism, the location notch that plug and socket locking enters socket outer conductor by the locking working face of elastic card claw realizes, slide backward solution lock tube, elastic card claw is made to exit location notch, plug and socket realizes being separated, and the electrical connection between plug and socket is contacted by the axis of two outer conductors.The plug and socket of this structure, when locking state, ensure the datum level tightly pressing of plug and socket, have employed an elastic washer.
The present invention adopts different structures to improve the connection locking property of radio frequency (RF) coaxial connector, electrical property and sealing property.
Summary of the invention
The present invention seeks to for existing radio frequency coaxial electric connector, its connection locking structure, only there is fast locking device, only be threaded locking device, a kind of radio frequency coaxial electric connector with fast locking device is provided, not only there is the function that fast lock divides with speed, also there is screw-threaded coupling function, realize the firm lock ability of radio frequency (RF) coaxial connector.
In order to reach this object, described radio frequency coaxial electric connector adopts following technical scheme:
A kind of radio frequency coaxial electric connector with fast locking device, comprise plug (1) and socket (2), wherein plug (1) comprises plug outer conductor (4), socket (2) comprises socket outer conductor (23), plug (1) is connected by a fast locking device with socket (2), between plug (1) and socket (2), be also provided with the locking device that is threaded.
Further, the described locking device that is threaded comprises a sheath (8), sheath (8) one end is connected to plug (1) and socket (2) in both by an axially stop block, and sheath (8) other end to be threadedly connected in both plug (1) and socket (2) another; The described locking device that is threaded promotes plug (1) and socket (2) mechanical reference surface plugged together down to plug (1) and is connected with the mechanical reference surface of socket (2) and is close to together.
Further, described sheath (8) inwall is provided with and separates lock tube (6), sheath (8) is conciliate lock tube (6) and is set on described in both plug (1) and socket (2), when plug (1) and socket (2) are threaded connection locking device locking, separate the connection that lock tube (6) follows the firm described fast locking device of an axial motion described in both sheath (8) opposing plug (1) and socket (2).
Further, the described plug (1) described in sheath (8) sealed envelope and the butted part of socket (2), sheath (8) one end inwall and plug (1) and socket (2) outer surface described in both is sealed by the first sealing ring (11), sheath (8) other end inwall is threaded connection while another described in both plug (1) and socket (2), inwall in the end near sheath (8) other end and plug (1) and socket (2) another outer surface described in both is sealed by the 3rd sealing ring (13).
The radio frequency coaxial electric connector of contrast prior art, the connection of plug and socket, be not only screw-threaded coupling to connect, be not only the connection that fast lock divides with speed, namely only have and lock jockey soon, as: Chinese patent ZL200810068882.X, ZL03103882.4, Chinese application number be 201310055102.9 application for a patent for invention and international application no be that PCT/EP2013/050165 international application all only has and locks jockey soon.Existing have fast lock jockey or only by screw-threaded coupling radio frequency (RF) coaxial connector, can not convert to be used in only needs fast lock to connect and the occasion be firmly connected, such as when testing the electric property of equipment, only need circuit to be carried out connect fast and be separated, save the testing time, being applied to by whole set equipment in the mobile process run, in the environment that vibration is violent, the electric property that radio frequency coaxial electric connector is good can be kept, especially passive inter-modulation performance.
Accompanying drawing explanation
Figure 1 shows that according to a kind of plug and socket docking structure schematic diagram with the radio frequency coaxial electric connector embodiment of fast locking device of the present invention.
Figure 2 shows that according to a kind of plug construction schematic diagram with the radio frequency coaxial electric connector embodiment of fast locking device of the present invention.
Figure 3 shows that according to a kind of socket outer conductor structural representation with the radio frequency coaxial electric connector embodiment of fast locking device of the present invention.
Figure 4 shows that according to a kind of lock tube 3 structural representation with the radio frequency coaxial electric connector embodiment of fast locking device of the present invention.
Figure 5 shows that according to a kind of structural representation with the plug outer conductor 4 of the radio frequency coaxial electric connector embodiment of fast locking device of the present invention.
Figure 6 shows that according to of the present invention a kind of there is the radio frequency coaxial electric connector embodiment of fast locking device lock tube and plug outer conductor and socket outer conductor joining place structure enlarged diagram.
Embodiment
Below in conjunction with accompanying drawing embodiment, a kind of radio frequency coaxial electric connector with fast locking device of the present invention is described in further detail:
Be illustrated in figure 1 according to a kind of plug and socket docking structure schematic diagram with the radio frequency coaxial electric connector embodiment of fast locking device of the present invention.Shown in figure, described radio frequency coaxial electric connector is provided with connection locking device, locks with the connection of the plug 1 with socket 2 that realize radio frequency (RF) coaxial connector and is separated.Described connection locking device comprises plug portion and socket part, plug portion comprises lock tube 3, separates lock tube 6, elastic collar 7 and sheath 8, also can only comprise lock tube 3, and not separate lock tube 6, elastic collar 7 and sheath 8, lock tube 3 can also be comprised, separate lock tube 6.When for last a kind of situation, while solution lock tube 6 is set on lock tube 3, by the step of a spring supporting on lock tube 3; Socket part is socket outer conductor 23.
Be illustrated in figure 2 according to a kind of plug construction schematic diagram with the radio frequency coaxial electric connector embodiment of fast locking device of the present invention.Shown in figure, described plug 1 is except there being plug inner conductor 5, and pin insulator 9, plug outer conductor 4, also comprise the plug portion of above-mentioned connection locking device.Described lock tube 3 is sleeved on plug outer conductor 4 by interference fit, need also to establish the first sealing ring 11, second sealing ring 12 according to sealing, first sealing ring is arranged between sheath 8 and lock tube 3, and the second sealing ring 12 is arranged between lock tube 3 and plug outer conductor 4.In one embodiment, separate lock tube 6 and be provided with draw-in groove 61, sheath 8 is provided with annular groove 81, and sheath 8 is sleeved on to be separated on lock tube 6, separates lock tube 6 and is connected with sheath 8 with the elastic collar 7 in annular groove 81 by being fastened on draw-in groove 61 simultaneously; Lock tube 6 moving axially relative to sheath 8 is separated in the restriction that act as of elastic collar 7.In this embodiment, can not have elastic collar 7, sheath 8 is conciliate lock tube 6 and is connected by interference fit, or is threaded connection.
Be illustrated in figure 3 according to a kind of socket outer conductor structural representation with the radio frequency coaxial electric connector embodiment of fast locking device of the present invention.Shown in figure, described socket outer conductor 23 is provided with ladder socket 21 in the endoporus of butt end, the periphery of ladder socket 21 offers cannelure 24 from the end face axial of socket outer conductor 23, the inner surface of cannelure 24 is provided with the radially-inwardly recessed draw-in groove of ramped shaped 22, has the kayser face 221 of ramped shaped in draw-in groove 22.Ladder socket 21 is provided with the second face of cylinder 211 and three cylindrical face 212, and the second step face 213 between these two faces, second face of cylinder 211 and three cylindrical face 212 are in stairstepping, second step face 213 is preferentially set to the plane perpendicular to connector central axis, and arranging this face is socket mechanical reference surface.Need the outer surface of socket outer conductor 23 is provided with socket seal groove 26 according to sealing.
Be illustrated in figure 4 according to a kind of lock tube 3 structural representation with the radio frequency coaxial electric connector embodiment of fast locking device of the present invention.Shown in figure, described lock tube 3 front end is the multiple elastic card claws 31 be split to form by axially grooved 32.In one embodiment, elastic card claw 31 radially-inwardly and is outwards equipped with raised structures, and radially inner projection has the lock face 311 of slope shape, and radially outer projection has the seal face 312 of slope shape; The rear portion of lock tube 3 is cylindrical portion 33, cylindrical portion 33 is provided with the first spigot seal groove 331 and bulge loop 332; In one embodiment, elastic card claw 31 is 8 and circumference uniform distribution setting.The lock face 311 of elastic card claw 31 is complementary structure with the kayser face 221 of the draw-in groove 22 of socket outer conductor, namely mutually can buckle, preferably the kayser face 221 of two slope shapes and lock face 311 has the inclined-plane or the opposing convex surface be abutted against that parallel, or one of them for plane, another coordinates with snapping in of socket outer conductor draw-in groove 22 for convex surface is beneficial to the elastic card claw 31 when plug 1 plugs together with socket 2.
Be illustrated in figure 5 according to a kind of structural representation with the plug outer conductor 4 of the radio frequency coaxial electric connector embodiment of fast locking device of the present invention.Shown in figure, generally cylindrically, its front portion is divided into multiple flexible cantilever beam by axial profile groove 42 to plug outer conductor 4, and cantilever beam front end is provided with the elasticity bulge 41 of radially outward projection, be provided with step surface 45 near the stiff end of cantilever beam, arranging this face is plug mechanical reference surface; Plug outer conductor rear portion is provided with the second spigot seal groove 44.When plug to dock with socket lock time, its plug outer conductor 4 is connected with socket outer conductor 23 in the three cylindrical face 212 of the ladder socket 21 of socket outer conductor 23 by elasticity bulge 41 socket joint, plug inner conductor 5 and socket inner wire 25 grafting; The elasticity bulge 41 of plug outer conductor 4 forms good Elastic Contact with three cylindrical face 212 inwall of the ladder socket 21 of socket outer conductor 23.Lock tube 4 is made up of resilient copper alloy.Plug inner conductor 5 part that pin insulator 9 wraps up is set to broad in the middle, and the little structure in two is to contribute to the impedance matching performance improving radio frequency (RF) coaxial connector better.
Be illustrated in figure 6 according to of the present invention a kind of there is the radio frequency coaxial electric connector embodiment of fast locking device lock tube and plug outer conductor and socket outer conductor joining place structure enlarged diagram.Shown in figure, after the upper described cantilever beam of plug outer conductor (4), be provided with first face of cylinder 43, between described first face of cylinder 43 and described lock tube (3) inwall, be provided with the columnar receiving space 14 that has certain length.When plug 1 docks with socket 2, with its snug sliding fit on first face of cylinder 43 that second face of cylinder 211 of the ladder socket 21 of socket outer conductor 23 is enclosed within plug outer conductor 4, and limited the axial displacement of plug 1 and socket 2 by the second step face 213 of this ladder socket 21.When needs screw-threaded coupling, driven forward sheath 8 drives separates lock tube 6 forward slip, rotating jacket 8 makes sheath 8 be connected by screw-threaded coupling with socket outer conductor 23 simultaneously, the elastic card claw 31 of lock tube 3 encases by the inclined-plane, front end separating lock tube 6 by the seal face 312 propping up lock tube 3, elastic card claw 31 is pressed on the kayser face 221 in the draw-in groove 22 of socket outer conductor 23, to realize the firm locking of plug 1 and socket 2.
When plug 1 docks with socket 2 by described sheath 8 or plug tail end under axial thrust, the elastic card claw 31 of lock tube 3 is made to snap in the draw-in groove 22 of socket outer conductor 23; By sheath 8 screwed tight, sheath 8 drives separates lock tube 6 forward slip, the elastic card claw 31 of lock tube 3 encases by the front end of separating lock tube 6 by the seal face 312 propping up lock tube 3, and elastic card claw 31 is pressed in the draw-in groove 22 of socket outer conductor 23, realizes the firm and fastening locking of plug 1 and socket 2; When turning on screw thread, when the bulge loop 332 of lock tube 3 stops that separating lock tube 6 slides backward, the 3rd sealing ring 13 in socket seal groove 26 exposes, and now separates lock tube 6 and slides backward under sheath 8 drives, and separates lock tube 6 and departs from from the elastic card claw 31 of lock tube 3.After screw thread unlocks, continue sheath 8 or plug tail end apply axially pulling force backward time, elastic card claw 31, by external force spreading, flicks disengaging, realizes the unblock that plug 1 is separated with socket 2 in the draw-in groove 22 of socket outer conductor 23.
According to a kind of embodiment with the radio frequency coaxial electric connector of fast locking device of the present invention, because connector arranges the butted part that sheath 8 wraps up the parts such as lock tube 3, plug outer conductor 4, solution lock tube 6 completely, and after plug 1 docks with socket 2, wrap up the butted part of socket outer conductor 23 completely.Therefore, described connector can use in adverse circumstances, can keep excellent standing wave performance, longer service life.
In one embodiment, after plug 1 and socket 2 plug together, the 3rd sealing ring 13 being provided with socket seal groove 26 and being built in wherein between the front inner wall and the outer surface of socket outer conductor 23 of sheath 8, the first sealing ring 11 established the first spigot seal groove 331 and be built in wherein between sheath 8 afterbody inwall and lock tube 3, the second sealing ring 12 established the second spigot seal groove 44 and be built in wherein between lock tube 3 afterbody inwall and plug outer conductor 4, thus improve the sealing property of radio frequency (RF) coaxial connector, prevent the gaseous state of connector outside, liquid or dust enter connector inside, affect the electric property of connector.
In a technical scheme, a kind of radio frequency coaxial electric connector with fast locking device, comprise plug (1) and socket (2), wherein plug (1) comprises plug outer conductor (4), socket (2) comprises socket outer conductor (23), plug (1) is connected by a fast locking device with socket (2), between plug (1) and socket (2), be also provided with the locking device that is threaded.Owing to adding the locking that is threaded on the basis of fast locking device, therefore, the plug (1) of connector and socket (2) are under the connection of screw thread, the problem of mutually rocking, waving can be overcome between plug (1) and socket (2), serve solution plug and socket and plug together firm problem, and, when do not use be threaded time, lock connection between plug (1) and socket (2) and be only and lock connection soon.
On the basis of technique scheme, further, the described locking device that is threaded comprises a sheath (8), sheath (8) one end is connected to plug (1) and socket (2) in both by an axially stop block, and sheath (8) other end to be threadedly connected in both plug (1) and socket (2) another; The described locking device that is threaded promotes plug (1) and socket (2) mechanical reference surface plugged together down to plug (1) and is connected with the mechanical reference surface of socket (2) and is close to together.Be close to together because plug mechanical reference surface is connected with socket mechanical reference surface by the locking device that is threaded, therefore, connector not only has the firm performance connected further, but also can high power transmission, improves the electrical property of radio frequency (RF) coaxial connector.
On the basis of technique scheme, further, described sheath (8) inwall is provided with and separates lock tube (6), sheath (8) is conciliate lock tube (6) and is set on described in both plug (1) and socket (2), when plug (1) and socket (2) are threaded connection locking device locking, separate the connection that lock tube (6) follows the firm described fast locking device of an axial motion described in both sheath (8) opposing plug (1) and socket (2).Owing to there being solution lock tube (6) in technical scheme, separate lock tube (6) and follow that sheath (8) axial motion can move to being similar to above-mentioned elastic card claw 31, having flexible collar in the direct or indirect fast locking device of restriction, crucial snap fit parts that the steel ball etc. of kayser realizes fast lock function moves radially and causes unblock, or make to fasten between the contact interface of two of mutual buckle parts more tight, thus reach the effect of firm described fast locking device described herein.
The present invention is the connector that can realize fast lock function, the butt-joint locking only needing the action of a push-and-pull just can realize connector is separated with unblock, easy to operate, lock be separated convenient, and, when needing connector to have stable electric property, during as third order intermodulation or passive intermodulation, the mode of screw-threaded coupling can be taked again.More than just the present invention is further illustrated, and be not used to limit this patent, allly implements for the present invention's equivalence, within the right that all should be contained in this patent.
Claims (9)
1. one kind has the radio frequency coaxial electric connector of fast locking device, comprise plug (1) and socket (2), wherein plug (1) comprises plug outer conductor (4), socket (2) comprises socket outer conductor (23), plug (1) is connected by a fast locking device with socket (2), it is characterized in that: between plug (1) and socket (2), be also provided with the locking device that is threaded; The described locking device that is threaded comprises a sheath (8), sheath (8) one end is connected to plug (1) and socket (2) in both by an axially stop block, and sheath (8) other end to be threadedly connected in both plug (1) and socket (2) another; The described locking device that is threaded promotes plug (1) and socket (2) mechanical reference surface plugged together down to plug (1) and is connected with the mechanical reference surface of socket (2) and is close to together; Described sheath (8) inwall is provided with and separates lock tube (6), sheath (8) is conciliate lock tube (6) and is set on described in both plug (1) and socket (2), when plug (1) and socket (2) are threaded connection locking device locking, separate the connection that lock tube (6) follows the firm described fast locking device of an axial motion described in both sheath (8) opposing plug (1) and socket (2).
2. radio frequency coaxial electric connector according to claim 1, it is characterized in that: the described plug (1) described in sheath (8) sealed envelope and the butted part of socket (2), sheath (8) one end inwall and plug (1) and socket (2) outer surface described in both is sealed by the first sealing ring (11), sheath (8) other end inwall is threaded connection while another described in both plug (1) and socket (2), inwall in the end near sheath (8) other end and plug (1) and socket (2) another outer surface described in both is sealed by the 3rd sealing ring (13).
3. according to described radio frequency coaxial electric connector arbitrary in claim 2, it is characterized in that: described sheath (8) one end sliding fiting sleeve load is connected on lock tube (3) that plug outer conductor (4) is fixedly connected with, lock tube (3) is cylindrical generally, lock tube (3) front end is the multiple elastic card claws (31) be split to form by axially grooved (32), elastic card claw (31) radially-inwardly and is outwards provided with raised structures, radially inner projection has the lock face (311) of slope shape, radially outer projection has the seal face (312) of slope shape, described lock tube (3) is sleeved on described plug outer conductor (4), described socket outer conductor (23) offers cannelure (24) from its docking end face axial, the inner surface of cannelure (24) is provided with the radially-inwardly recessed draw-in groove of ramped shaped (22), has the kayser face (221) of ramped shaped in draw-in groove (22).
4. radio frequency coaxial electric connector according to claim 3, is characterized in that: the rear portion of described lock tube (3) is cylindrical portion (33), and the stopping means that cylindrical portion (33) is provided with is bulge loop (332); Described solution lock tube (6) is also set on described lock tube (3), separating lock tube (6) is positioned at before bulge loop (332), and bulge loop (332) limits the solution lock tube (6) and the movable only one section of axial distance of sheath (8) that are connected together; Be provided with an accommodation space (82) between the front portion of described lock tube (3) and the front inner wall of sheath (8), this spatial placement has the internal thread of sheath (8); Correspondingly outside the cannelure (24) of socket outer conductor (23), be provided with the socket threaded portion (231) with the screw-internal thread fit of sheath (8).
5. radio frequency coaxial electric connector according to claim 1, is characterized in that: described solution lock tube (6) interference fit or threaded engagement are fixedly connected on sheath (8).
6. radio frequency coaxial electric connector according to claim 4, is characterized in that: described solution lock tube (6) and sheath (8) are structure as a whole; Described bulge loop (332) is for being installed in the spring collar on the upper groove arranged of lock tube (3).
7. radio frequency coaxial electric connector according to claim 1, it is characterized in that: described sheath (8) is conciliate between lock tube (6) and is provided with elastic collar (7), described solution lock tube (6) is provided with draw-in groove (61), sheath (8) is provided with annular groove (81), separates lock tube (6) and is connected with sheath (8) with the elastic collar (7) in annular groove (81) by being fastened on draw-in groove (61) simultaneously.
8. radio frequency coaxial electric connector according to claim 4, is characterized in that: the lock face (311) of described elastic card claw (31) is complementary structure with the kayser face (221) of the draw-in groove (22) of socket outer conductor; The kayser face (221) of two slope shapes and lock face (311) there is the inclined-plane or the opposing convex surface be abutted against that parallel, or one of them be plane another be convex surface.
9. radio frequency coaxial electric connector according to claim 4, is characterized in that: described bulge loop (332) is for being installed in the spring collar on the upper groove arranged of lock tube (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410298338.XA CN104051899B (en) | 2014-06-27 | 2014-06-27 | A kind of radio frequency coaxial electric connector with fast locking device |
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| CN201410298338.XA CN104051899B (en) | 2014-06-27 | 2014-06-27 | A kind of radio frequency coaxial electric connector with fast locking device |
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| CN104051899A CN104051899A (en) | 2014-09-17 |
| CN104051899B true CN104051899B (en) | 2016-01-06 |
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| CN201410298338.XA Active CN104051899B (en) | 2014-06-27 | 2014-06-27 | A kind of radio frequency coaxial electric connector with fast locking device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105244692B (en) * | 2015-08-31 | 2017-09-22 | 中航光电科技股份有限公司 | Plug casing and the plug and connector assembly using the plug casing |
| CN106611914A (en) * | 2015-10-20 | 2017-05-03 | 中兴通讯股份有限公司 | A fast-locked connector |
| CN105356148B (en) * | 2015-12-02 | 2018-03-30 | 遵义市飞宇电子有限公司 | A kind of connector with automatic butt locking and separating mechanism |
| CN109428242B (en) * | 2017-08-16 | 2020-05-12 | 上海航天科工电器研究院有限公司 | Radio frequency coaxial electric connector |
| CN107425354A (en) * | 2017-09-14 | 2017-12-01 | 贵州固达电缆有限公司 | A kind of self-locking connector socket of cable |
| CN109066199B (en) * | 2018-09-17 | 2023-09-29 | 常州市新盛电器有限公司 | Electrical performance testing device for radio frequency coaxial connector |
| CN111146648A (en) * | 2020-01-13 | 2020-05-12 | 洛阳赛焱光电科技有限公司 | Sealed protection electric connector |
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