CN104051899A - Radio frequency coaxial electric connector with rapid locking device - Google Patents
Radio frequency coaxial electric connector with rapid locking device Download PDFInfo
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- CN104051899A CN104051899A CN201410298338.XA CN201410298338A CN104051899A CN 104051899 A CN104051899 A CN 104051899A CN 201410298338 A CN201410298338 A CN 201410298338A CN 104051899 A CN104051899 A CN 104051899A
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Abstract
A radio frequency coaxial electric connector with a rapid locking device comprises a plug (1) and a socket (2), wherein the plug (1) comprises a plug outer conductor (4), the socket (2) comprises a socket outer conductor (23), the plug (1) and the socket (2) are connected through the rapid locking device, a threaded connecting locking device is further arranged between the plug (1) and the socket (2) and comprises a sheath (8), one end of the sheath (8) is connected with one of the plug (1) and the socket (2), and the other end of the sheath (8) is connected with the other one of the plug (1) and the socket (2), and the threaded connecting locking device connects a mechanical datum surface of the plug (1) and a mechanical datum surface of the socket (2) so that the mechanical datum surface of the plug (1) and the mechanical datum surface of the socket (2) can be tightly attached. The radio frequency coaxial electric connector with the rapid locking device has good connecting and stabilization performance, and the connecting locking modes can be switched between rapid-locking connection and threaded connection.
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, when locking, this lock ring fastenes the groove of first linkage unit automatically, and is locked on another linkage unit; Axially promote this lock ring, make it outside the groove in first linkage unit, two linkage units separate.This syndeton can realize fast lock between two linkage units and separate.
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 is realized, slide backward solution lock tube, make elastic card claw exit location notch, plug and socket is realized and being separated, and the electrical connection between plug and socket is by the axial contact of two outer conductors.The plug and socket of this structure, in the time of locking state, ensure the tightly pressing of datum level of plug and socket, has adopted an elastic washer.
The present invention adopts connection locking property, electrical property and the sealing property of different Structure Improvement radio frequency (RF) coaxial connectors.
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, locking device is only threaded, a kind of radio frequency coaxial electric connector with fast locking device is provided, not only there is fast lock and fast function of dividing, 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), is 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 in plug (1) and socket (2) in both by an axially stop block, sheath (8) other end be threadedly connected to plug (1) and socket (2) in both another; The described locking device that is threaded promotes plug (1) and plugs together with socket (2) so that the mechanical reference surface of plug (1) is connected and is close to together with the mechanical reference surface of socket (2).
Further, on described sheath (8) inwall, be provided with and separate lock tube (6), sheath (8) is conciliate lock tube (6) and is set on described in both of plug (1) and socket (2), in the time that plug (1) and socket (2) are threaded connection locking device locking, separate lock tube (6) and follow sheath (8) connection of the fast locking device of plug (1) and socket (2) axial motion described in both described in firm relatively.
Further, plug (1) described in described 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 by the first sealing ring (11) sealing, when sheath (8) other end inwall is threaded connection in plug (1) and socket (2) another described in both, at the inwall of the end of the most close sheath (8) other end and plug (1) and socket (2), another outer surface described in both is by the 3rd sealing ring (13) sealing.
The radio frequency coaxial electric connector of contrast prior art, the connection of plug and socket, being not only screw-threaded coupling connects, be not only fast lock and being connected that speed is divided, only there is fast lock jockey, as: the application for a patent for invention that Chinese patent ZL200810068882.X, ZL03103882.4, Chinese application number are 201310055102.9 and international application no are that PCT/EP2013/050165 international application all only has fast lock jockey.Existing there is fast lock jockey or only depend on screw-threaded coupling radio frequency (RF) coaxial connector, can not convert to be used in only needs fast lock to connect and the occasion being firmly connected, such as in the time that the electric property of equipment is tested, only need circuit to carry out connecting fast and separating, save the testing time, whole set equipment being applied in the process of mobile operation, in the violent environment of vibration, can keep the electric property that radio frequency coaxial electric connector is good, especially passive inter-modulation performance.
Brief description of the drawings
Figure 1 shows that the plug and socket docking structure schematic diagram according to a kind of radio frequency coaxial electric connector embodiment with fast locking device of the present invention.
Figure 2 shows that according to the plug construction schematic diagram of a kind of radio frequency coaxial electric connector embodiment with fast locking device of the present invention.
Figure 3 shows that the socket outer conductor structural representation according to a kind of radio frequency coaxial electric connector embodiment with fast locking device of the present invention.
Figure 4 shows that lock tube 3 structural representations according to a kind of radio frequency coaxial electric connector embodiment with fast locking device of the present invention.
Figure 5 shows that according to the structural representation of the plug outer conductor 4 of a kind of radio frequency coaxial electric connector embodiment with fast locking device of the present invention.
Figure 6 shows that according to the lock tube of a kind of radio frequency coaxial electric connector embodiment with fast locking device of the present invention 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 the plug and socket docking structure schematic diagram according to a kind of radio frequency coaxial electric connector embodiment with fast locking device of the present invention.Shown in figure, described radio frequency coaxial electric connector is provided with connection locking device, to realize the plug 1 of radio frequency (RF) coaxial connector and the connection locking of socket 2 and to separate.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, can also comprise lock tube 3, separate lock tube 6.In the time being last a kind of situation, when solution lock tube 6 is set on lock tube 3, can pass through the step of a spring supporting on lock tube 3; Socket part is socket outer conductor 23.
Be illustrated in figure 2 according to the plug construction schematic diagram of a kind of radio frequency coaxial electric connector embodiment with 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 can establish the first sealing ring 11, the second sealing ring 12 according to sealing, the 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 be fastened on draw-in groove 61 simultaneously; Lock tube 6 moving axially with respect to sheath 8 separated in the restriction that act as of elastic collar 7.In this embodiment, can there is no elastic collar 7, sheath 8 is conciliate lock tube 6 and can be connected by interference fit, or is threaded connection.
Be illustrated in figure 3 the socket outer conductor structural representation according to a kind of radio frequency coaxial electric connector embodiment with 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 inside recessed draw-in groove 22 of ramped shaped, 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 second step face 213 between these two faces, second face of cylinder 211 and three cylindrical face 212 are stairstepping, second step face 213 is preferentially made as the plane perpendicular to connector central axis, and it is socket mechanical reference surface that this face is set.Need to be provided with socket seal groove 26 at the outer surface of socket outer conductor 23 according to sealing.
Be illustrated in figure 4 lock tube 3 structural representations according to a kind of radio frequency coaxial electric connector embodiment with fast locking device of the present invention.Shown in figure, described lock tube 3 front ends are the multiple elastic card claws 31 that are 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, is provided with the first plug seal groove 331 and bulge loop 332 in cylindrical portion 33; 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, 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 being 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 elastic card claw 31 in the time that plug 1 plugs together with socket 2.
Be illustrated in figure 5 according to the structural representation of the plug outer conductor 4 of a kind of radio frequency coaxial electric connector embodiment with fast locking device of the present invention.Shown in figure, it is cylindric that plug outer conductor 4 is generally, and its front portion is divided into multiple flexible cantilever beams by axial profile groove 42, and cantilever beam front end is provided with the radially outward elasticity bulge 41 of projection, near the stiff end of cantilever beam, be provided with step surface 45, it is plug mechanical reference surface that this face is set; Plug outer conductor rear portion is provided with the second plug seal groove 44.When plug docks locking with socket, 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 joints, and plug inner conductor 5 is pegged graft with socket inner wire 25; The elasticity bulge 41 of plug outer conductor 4 forms good Elastic Contact with three cylindrical face 212 inwalls of the ladder socket 21 of socket outer conductor 23.Lock tube 4 is made up of resilient copper alloy.Plug inner conductor 5 parts that pin insulator 9 wraps up are set to broad in the middle, and the little structure in two is to contribute to better to improve the impedance matching performance of radio frequency (RF) coaxial connector.
Be illustrated in figure 6 according to the lock tube of a kind of radio frequency coaxial electric connector embodiment with fast locking device of the present invention and plug outer conductor and socket outer conductor joining place structure enlarged diagram.Shown in figure, after the above 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 a columnar receiving space 14 with certain length.In the time that plug 1 docks with socket 2, second face of cylinder 211 of the ladder socket 21 of socket outer conductor 23 is enclosed within on first face of cylinder 43 of plug outer conductor 4 and is slidably matched with its precision, and limits the axial displacement of plug 1 and socket 2 by the second step face 213 of this ladder socket 21.In the time of needs screw-threaded coupling, promoting forward sheath 8 drives solution lock tube 6 to front slide, rotate sheath 8 makes sheath 8 be connected by screw-threaded coupling with socket outer conductor 23 simultaneously, the front end inclined-plane of separating lock tube 6 encases the seal face 312 that props up lock tube 3 by the elastic card claw of lock tube 3 31, 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 described sheath 8 or plug tail end dock plug 1 under axial thrust with socket 2, make the elastic card claw 31 of lock tube 3 snap in the draw-in groove 22 of socket outer conductor 23; Sheath 8 screw threads are tightened, sheath 8 drives separates lock tube 6 to front slide, the front end of separating lock tube 6 encases the seal face 312 that props up lock tube 3 by the elastic card claw of lock tube 3 31, 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.When after screw thread release, continue in the time that sheath 8 or plug tail end apply axially pulling force backward, elastic card claw 31 is subject to external force spreading, in the draw-in groove 22 of socket outer conductor 23, flicks disengaging, realizes the release that plug 1 separates with socket 2.
According to an embodiment of a kind of radio frequency coaxial electric connector with fast locking device of the present invention, wrap up lock tube 3, plug outer conductor 4 completely, separate the butted part of the parts such as lock tube 6 because connector arranges sheath 8, 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 good standing wave performance, longer service life.
In one embodiment, after plug 1 and socket 2 plug together, between the front inner wall of sheath 8 and the outer surface of socket outer conductor 23, be provided with socket seal groove 26 and be built in the 3rd sealing ring 13 wherein, between sheath 8 afterbody inwalls and lock tube 3, establish the first plug seal groove 331 and be built in the first sealing ring 11 wherein, between lock tube 3 afterbody inwalls and plug outer conductor 4, establish the second plug seal groove 44 and be built in the second sealing ring 12 wherein, thereby 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), is also provided with the locking device that is threaded.Owing to having increased the locking that is threaded on the basis at fast locking device, therefore, the plug (1) of connector and socket (2) are under the connection of screw thread, between plug (1) and socket (2), can overcome mutually the problem of rocking, waving, play solution plug and socket and plugged together firm problem, and when not using while being threaded, between plug (1) and socket (2), to connect be only fast lock connection in locking.
On the basis of technique scheme, further, the described locking device that is threaded comprises a sheath (8), sheath (8) one end is connected in plug (1) and socket (2) in both by an axially stop block, sheath (8) other end be threadedly connected to plug (1) and socket (2) in both another; The described locking device that is threaded promotes plug (1) and plugs together with socket (2) so that the mechanical reference surface of plug (1) is connected and is close to together with the mechanical reference surface of socket (2).Because the locking device that is threaded is connected plug mechanical reference surface to be close to together with socket mechanical reference surface, therefore, connector not only has the further firm performance connecting, but also can high power transmission, improves the electrical property of radio frequency (RF) coaxial connector.
On the basis of technique scheme, further, on described sheath (8) inwall, be provided with and separate lock tube (6), sheath (8) is conciliate lock tube (6) and is set on described in both of plug (1) and socket (2), in the time that plug (1) and socket (2) are threaded connection locking device locking, separate lock tube (6) and follow sheath (8) connection of the fast locking device of plug (1) and socket (2) axial motion described in both described in firm relatively.Owing to there being solution lock tube (6) in technical scheme, separating lock tube (6) follows sheath (8) axial motion and can move to being similar to above-mentioned elastic card claw 31, having flexible collar in the fast locking device of direct or indirect restriction, steel ball that kayser is used etc. and realize the crucial snap fit parts of fast lock function and move radially and cause release, or make to fasten between the contact interface of two parts of mutual buckle tightr, thereby 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 that only needs the action of a push-and-pull just can realize connector separates with release, easy to operate, locking with separate convenient, and, when needing connector to there is stable electric property, during as third order intermodulation or passive intermodulation, can take again the mode of screw-threaded coupling.More than just the present invention is further illustrated, and not in order to limit this patent, all is the present invention's equivalence enforcement, within all should being contained in the claim scope of this patent.
Claims (11)
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.
2. radio frequency coaxial electric connector according to claim 1, it is characterized in that: the described locking device that is threaded comprises a sheath (8), sheath (8) one end is connected in plug (1) and socket (2) in both by an axially stop block, sheath (8) other end be threadedly connected to plug (1) and socket (2) in both another; The described locking device that is threaded promotes plug (1) and plugs together with socket (2) so that the mechanical reference surface of plug (1) is connected and is close to together with the mechanical reference surface of socket (2).
3. radio frequency coaxial electric connector according to claim 2, it is characterized in that: on described sheath (8) inwall, be provided with and separate lock tube (6), sheath (8) is conciliate lock tube (6) and is set on described in both of plug (1) and socket (2), in the time that plug (1) and socket (2) are threaded connection locking device locking, separate lock tube (6) and follow sheath (8) connection of the fast locking device of plug (1) and socket (2) axial motion described in both described in firm relatively.
4. radio frequency coaxial electric connector according to claim 3, it is characterized in that: the plug (1) described in described 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 by the first sealing ring (11) sealing, when sheath (8) other end inwall is threaded connection in plug (1) and socket (2) another described in both, at the inwall of the end of the most close sheath (8) other end and plug (1) and socket (2), another outer surface described in both is by the 3rd sealing ring (13) sealing.
5. according to arbitrary described radio frequency coaxial electric connector in claim 2～4, it is characterized in that: described sheath (8) one end sliding fiting sleeve load is connected on the lock tube (3) being fixedly connected with on plug outer conductor (4), lock tube (3) is cylindrical generally, the multiple elastic card claws (31) of lock tube (3) front end for being 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 inside recessed draw-in groove (22) of ramped shaped, has the kayser face (221) of ramped shaped in draw-in groove (22).
6. radio frequency coaxial electric connector according to claim 5, is characterized in that: the rear portion of described lock tube (3) is cylindrical portion (33), and the stopping means being provided with in cylindrical portion (33) is bulge loop (332); Described solution lock tube (6) is also set on described lock tube (3), separate lock tube (6) be positioned at bulge loop (332) before, bulge loop (332) limits the solution lock tube (6) and the sheath (8) that are connected together and moves forward and backward only one section of axial distance; Between the front portion of described lock tube (3) and the front inner wall of sheath (8), be provided with an accommodation space (82), 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).
7. radio frequency coaxial electric connector according to claim 3, is characterized in that: described solution lock tube (6) interference fit or threaded engagement are fixedly connected on sheath (8).
8. radio frequency coaxial electric connector according to claim 6, is characterized in that: described solution lock tube (6) is structure as a whole with sheath (8); Described bulge loop (332) is for being installed in the spring collar on the groove arranging on lock tube (3).
9. radio frequency coaxial electric connector according to claim 3, 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 be fastened on draw-in groove (61) simultaneously.
10. radio frequency coaxial electric connector according to claim 5, 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 described slope shapes and lock face (311) there is the inclined-plane or the opposing convex surface being abutted against that parallel, or one of them be plane another be convex surface.
11. radio frequency coaxial electric connectors according to claim 6, is characterized in that: described bulge loop (332) is for being installed in the spring collar on the groove arranging on lock tube (3).
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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 true CN104051899A (en) | 2014-09-17 |
| CN104051899B CN104051899B (en) | 2016-01-06 |
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Cited By (9)
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| CN105244692A (en) * | 2015-08-31 | 2016-01-13 | 中航光电科技股份有限公司 | Plug shell, plug using the plug shell and connector assembly |
| CN105356148A (en) * | 2015-12-02 | 2016-02-24 | 遵义市飞宇电子有限公司 | Connector with automatic butt locking and unlocking mechanism |
| WO2016188171A1 (en) * | 2015-10-20 | 2016-12-01 | 中兴通讯股份有限公司 | Fast-locked 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 |
| CN109066199A (en) * | 2018-09-17 | 2018-12-21 | 谈振新 | Radio frequency (RF) coaxial connector electric performance test device |
| CN109428242A (en) * | 2017-08-16 | 2019-03-05 | 上海航天科工电器研究院有限公司 | Radio frequency coaxial electric connector |
| CN111129861A (en) * | 2020-01-15 | 2020-05-08 | 深圳市连得科技有限公司 | Automatic locking portable separation waterproof 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 |
| CN111129861B (en) * | 2020-01-15 | 2024-04-30 | 深圳市连得科技有限公司 | Automatic locking portable separation waterproof connector |
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| CN103855532A (en) * | 2014-03-25 | 2014-06-11 | 上海航天科工电器研究院有限公司 | Connector with rapid unlocking structure |
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