CN103094782B - Radio frequency coaxial electric coupler with quick-locking device - Google Patents
Radio frequency coaxial electric coupler with quick-locking device Download PDFInfo
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- CN103094782B CN103094782B CN201310055163.5A CN201310055163A CN103094782B CN 103094782 B CN103094782 B CN 103094782B CN 201310055163 A CN201310055163 A CN 201310055163A CN 103094782 B CN103094782 B CN 103094782B
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Abstract
The invention provides a radio frequency coaxial electric coupler with a quick-locking device. The quick-locking device comprises a plug quick-locking device and a socket quick-locking device. The back of an elastic jack catch (16) of the plug quick-licking device is fixed on the plug outer conductor (11). The front portion of the elastic jack catch (16) extends with a snap joint (161). A cone face of the snap joint (1611) is arranged on the front lateral surface of the snap joint (161). The cone face of the snap joint (1611) of the elastic jack catch (16) enables the snap joint (161) to contract inward along the radial direction under the effect of the external force. The periphery of the elastic jack catch (16) is provided with a columnar-shaped unlocking sleeve (15). The plug quick-locking device refers to that a block groove (222) is formed on the front end of an outer conductor (22) of the plug along the axial direction. A catching groove (223) is formed radially outward on the wall of the block groove (222). The quick-locking device of the electric coupler has the advantages of being simple in structure, quick in product assembling, and saving the production cost of the quick-locking device.
Description
Technical field
The present invention relates to radio frequency (RF) coaxial connector technical field, particularly relate to a kind of radio frequency coaxial electric connector with fast locking device, particularly relate to a kind of there is the radio frequency coaxial electric connector of fast locking device passive intermodulation, impedance matching and sealing.
Background technology
At present, the communications industry uses high-power RF coaxial connector in a large number, and high-power RF coaxial connector, because volume is large, passive intermodulation index is high, generally all adopts the connected mode with screw-threaded coupling.Although screw-threaded coupling connects reliable, there is following defect: can not fast insert-pull be realized, efficiency of assembling is low, and certain installing space must be left between connector and connector, to load and unload the use of nut tool, be difficult to realize high-density installation.For above-mentioned prior art Problems existing, 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 quick locking structure, as Chinese patent: ZL 03103882.4 discloses a kind of electrical plug-in connector, it connects two linkage units by an annular coupling unit, and 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.Two linkage unit parts form electrical contact by an elastic contact element, and this contact element is the disk of annular, is arranged on the outside of insulator.Although this syndeton can realize fast lock between two linkage units and be separated, be confined to low power Signal transmissions.
Chinese patent ZL 200820096613.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, need manually to adjust auxiliary nut.
In addition, the technical scheme of the passive inter-modulation performance improving radio frequency (RF) coaxial connector is disclosed in Chinese patent ZL200810068882.X and ZL03103882.4.In ZL200810068882.X, between the outer conductor of two linkage units, there is no contact element, but ensure that the contact-making surface of two outer conductors fits tightly by increase auxiliary nut and elastic washer, improve the passive inter-modulation performance that two unit connect.In ZL03103882.4, arrange one between the outer conductor of connector two linkage units and annular disk-shaped there is flexible contact element, two outer conductors all with the closed circumference circular route close contact of contact element, improve the passive inter-modulation performance of connector.
Above-mentioned patented technology, in order to improve the passive inter-modulation performance of connector, adopts different structures to realize closely and stably connecting between plug outer conductor and socket outer conductor respectively, improves the passive inter-modulation performance of radio frequency (RF) coaxial connector with this.
The fast lock that the present invention adopts different structures to realize connector connects, and improves the passive inter-modulation performance of radio frequency (RF) coaxial connector, improves the impedance matching performance of radio frequency (RF) coaxial connector and the sealing property of connector.
Summary of the invention
The first object of the present invention is to provide a kind of radio frequency coaxial electric connector with fast locking device, and the fast locking device structure of this radio frequency coaxial electric connector is simple, and assembling product is quick.
In order to reach this first 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), there is fast locking device, it is characterized in that: described fast locking device comprises the fast locking device of plug and the fast locking device two parts of socket, the fast locking device of plug comprises plug outer conductor (11), elastic card claw (16), separates lock tube (15), and the fast locking device of socket comprises socket outer conductor (22); Elastic card claw (16) rear portion of the fast locking device of described plug is fixed on plug outer conductor (11), the front portion of elastic card claw (16) is extended with buckle (161), buckle (161) is radially outward protruding, the anterolateral surface of buckle (161) is provided with buckle taper seat (1611), is provided with the appearance storehouse (115) for accommodating buckle (161) during buckle (161) radial contraction between buckle (161) and plug outer conductor (11); Elastic card claw (16) is made up of elastomeric material, and the buckle taper seat (1611) of elastic card claw (16) outside masterpiece can make buckle (161) radially-inwardly shrink; The periphery of elastic card claw (16) is provided with columnar solution lock tube (15), separating lock tube (15) can relative sliding with elastic card claw (16), and the front portion of separating lock tube 15 is provided with the radially outward protruding window (1501) of the buckle (161) holding elastic card claw (16); The fast locking device of described socket is the front end axially grooved formation seat groove (222) at socket outer conductor (22), and on a groove ancient piece of jade, round, flat and with a hole in its centre for present groove (222), radially outward fluting forms catching groove (223).
Preferably, the fast locking device of described plug also comprises retainer ring (12), it is the loop configuration closed that the rear portion of described elastic card claw (16) arranges claw retainer ring (162), claw retainer ring (162) has extended radially inwardly snap ring (163), elastic card claw (16), by outer circumference surface (117) interference fit of described retainer ring (12) with plug outer conductor (11), is fixed on step shoulder (116) of plug outer conductor (11) by snap ring (163).
Contrast prior art ZL 200820096613.X, the technical scheme of above-mentioned fast locking device, elastic card claw (16) is fixed on plug outer conductor (11), instead of can be slided relative to plug outer conductor (11) by elastic washer.In addition, do not need arrange elastic washer in addition and screw auxiliary nut, and the structure of described fast locking device is simple, assembling product is quick, can save the production cost of fast locking device.
The second object of the present invention is to provide a kind of radio frequency coaxial electric connector with fast locking device, and the elastic card claw in the fast locking device of this radio frequency coaxial electric connector adopts the loop configuration of opening, and the structure of fast locking device is more simple, and assembling product is more quick.
In order to reach this second object, described radio frequency coaxial electric connector adopts following technical scheme:
Further, the rear portion of described elastic card claw (16) arranges claw retainer ring (162) for having the loop configuration of opening (1621), claw retainer ring (162) has extended radially inwardly snap ring (163), snap ring (163) is by snapping in the upper draw-in groove (118) arranged of plug outer conductor (11), elastic card claw (16) is fixed on plug outer conductor (11), limits that it is movable relative to plug outer conductor (11).
Contrast prior art ZL 200820096613.X and technique scheme, adopt this fixed form can save part retainer ring (12) further, and reduce product and become to produce cost, and production assembling fast, elastic card claw (16) is fixedly connected with reliably.
The third object of the present invention is to provide a kind of radio frequency coaxial electric connector with fast locking device, and the elasticity solving elastic card claw (16) is not enough, and buckle (161) can not bounce back into the problem that can realize the position that snap lock connects.
In order to reach the 3rd object, described radio frequency coaxial electric connector adopts following technical scheme:
Further, open an annular collar groove (1613) at the inwall of described buckle (161), the collar (18) with opening is set in collar groove (1613) and supports the elastic recovery of buckle (161) to the position that can realize snap lock connection.
Contrast prior art and technique scheme, the elastic recovery of buckle (161) is supported to bayonet socket position because this technical scheme is provided with collar (18), the material that elastic card claw (16) can use elasticity poor, the useful life of elastic card claw (16) can be improved, can the wall thickness of elastic card claw (16) be arranged very thin, the further miniaturization with elastic card claw (16) quick-lock connector can be made.
The fourth object of the present invention is to provide a kind of radio frequency coaxial electric connector with fast locking device, improves the passive inter-modulation performance after the plugging together of plug and socket or third order intermodulation performance.
In order to reach the 4th object, described radio frequency coaxial electric connector adopts following technical scheme:
Further, contact element (14) is set between plug outer conductor (11) and socket outer conductor (22), cylindrically, its anterior profile groove (142) by axis is divided into multiple flexible cantilever beam to contact element (14), and its rear portion is circular contact ring (143); The cantilever beam of contact element (14) axially stretches out from contact ring (143), and the front end of cantilever beam is provided with radially outward protruding ring-shaped contact (141); Contact element (14) is fixed in the interior plug first step hole (113) arranged of plug outer conductor (11) by contact ring (143) interference fit at rear portion, is stretched in the socket first step hole (221) arranged in socket outer conductor (22) and the tight Elastic Contact of its sidewall by the ring-shaped contact (141) of the cantilever beam of front elastic.
Preferably, contact element (14) is made up of resilient copper alloy.
Preferably, behind plug first step hole (113), be provided with plug second step hole (114), frontly in plug first step hole (113) be in succession provided with plug the 3rd stepped hole (112), plug the 4th stepped hole (111); The external diameter of plug the 4th stepped hole (111) is greater than the external diameter of plug the 3rd stepped hole (112), the external diameter of plug the 3rd stepped hole (112) is greater than the external diameter in plug first step hole (113), and the external diameter of first step hole (113) is greater than the external diameter in plug second step hole (114); Described plug (1) has pin insulator (13); Plug second step hole (114) holds and locking-type plug insulator (13).
Contrast prior art ZL 03103882.4, the tight Elastic Contact of sidewall in the socket first step hole (221) in ring-shaped contact (141) and socket outer conductor, can be linear contact lay or the face contact of ring-type, not only can increase substantially passive inter-modulation performance or the third order intermodulation performance of radio frequency (RF) coaxial connector, and the transmission high power characteristics of radio frequency (RF) coaxial connector can be improved.
The fifth object of the present invention is to provide a kind of radio frequency coaxial electric connector with fast locking device, reduces the space that connector length direction needs to take, and improves the impedance matching performance of radio frequency (RF) coaxial connector, reduces the standing-wave ratio of radio frequency (RF) coaxial connector.
In order to reach the 5th object, described radio frequency coaxial electric connector adopts following technical scheme:
Further, described plug (1) comprises the fast locking device of plug, pin insulator (13), contact element (14) and plug inner conductor 17; Described pin insulator (13) is contained in contact element (14) at least in part, in the plug inner conductor (17) between the two ends of pin insulator (13), arranges the inner wire groove (171) of annular.
Preferably, a part for the plug inner conductor (17) that described inner wire groove (171) surrounds is set to broad in the middle, the structure that two is little.
Contrast technical scheme as shown in Figure 3, pin insulator (13) is positioned at after contact element (14), technique scheme, because pin insulator (13) is contained in contact element (14) at least in part, the pin insulator (13) of locking-type plug inner wire (17) toward reach, can reduce the space taken required for connector length direction.Meanwhile, in the plug inner conductor (17) between the two ends of pin insulator (13), the inner wire groove (171) of annular is set, contributes to compensating impedance coupling, reduce the standing-wave ratio of radio frequency (RF) coaxial connector.Preferably, a part for the plug inner conductor (17) of being surrounded by inner wire groove (171) is set to broad in the middle, and the structure that two is little, more contributes to the raising of impedance matching performance, reduces the standing-wave ratio of radio frequency (RF) coaxial connector.
The sixth object of the present invention is to provide a kind of radio frequency coaxial electric connector with fast locking device, improves the sealing property of radio frequency (RF) coaxial connector, prevents connecting outside gaseous state, liquid material or dust and enters connector inside, affect the electric property of connector.
In order to reach the 6th object, described radio frequency coaxial electric connector adopts following technical scheme:
Further, in the seat groove (222) of described socket outer conductor (22), arrange the first sealing ring (21), the first sealing ring (21) activity space is takeed on (225) by step in the groove in a groove and is limited.
Preferably, be provided with a sealing cap (3) to be threaded connection and to be fixed on socket outer conductor (22), sealing cap (3) is tubulose, socket outer conductor (22) arranges socket seal groove (224), built-in second sealing ring (5) of socket seal groove (224), plug outer conductor (11) arranges spigot seal groove (112), built-in 3rd sealing ring (4) of spigot seal groove (119); After described plug (1) and socket (2) plug together, the inwall at sealing cap (3) two extrudes the second sealing ring (5) and the 3rd sealing ring (4) respectively, realizes the sealing of connector.
Contrast prior art ZL 200820096613.X, take on (225) due to the first sealing ring (21) activity space by step in the groove in a groove to limit, after plug (1) is separated with socket (2), the first sealing ring (21) freely can not be separated socket (2).Preferably, by arranging sealing cap (3), socket seal groove (224), spigot seal groove (112), and built-in second sealing ring (5) of socket seal groove (224), built-in 3rd sealing ring (4) of spigot seal groove (119), for hermetically sealed connector serves significant effect.
Accompanying drawing explanation
Figure 1 shows that the structural representation that a kind of plug and socket docking with the radio frequency coaxial electric connector embodiment of fast locking device according to the present invention connects
Figure 2 shows that according to a kind of socket 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 plug construction schematic diagram with the radio frequency coaxial electric connector embodiment of fast locking device of the present invention
Fig. 4 is according to a kind of three-dimensional structure schematic diagram with the plug of the radio frequency coaxial electric connector embodiment of fast locking device of the present invention
Figure 5 shows that according to a kind of preferred structure schematic diagram with the radio frequency coaxial electric connector embodiment Elastic claw 16 of fast locking device of the present invention
Figure 6 shows that according to a kind of preferred structure schematic diagram with plug outer conductor 11 in the radio frequency coaxial electric connector embodiment of fast locking device of the present invention
Figure 7 shows that according to a kind of another structural representation of plug with the radio frequency coaxial electric connector embodiment of fast locking device of the present invention
Figure 8 shows that the sealed structural representation connected according to a kind of radio-frequency (RF) coaxial with fast locking device of the present invention
Embodiment
Below in conjunction with accompanying drawing, 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 structural representation that a kind of plug and socket docking with the radio frequency coaxial electric connector embodiment of fast locking device according to the present invention connects, if Fig. 4 is according to a kind of three-dimensional structure schematic diagram with the plug of 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 fast locking device, with the quick connection of the plug 1 and socket 2 that realize radio frequency (RF) coaxial connector and quick separating.Described fast locking device comprises the fast locking device of plug and the fast locking device two parts of socket, and the fast locking device of plug comprises plug outer conductor 11, elastic card claw 16, separates the component parts such as lock tube 15, and the fast locking device of socket comprises socket outer conductor 22.Be illustrated in figure 2 according to a kind of socket schematic diagram with the radio frequency coaxial electric connector embodiment of fast locking device of the present invention, shown in figure, described socket 3 comprises the component parts such as the fast locking device of socket, socket dielectric 23, socket inner wire 24.Be illustrated in figure 3 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 comprises the component parts such as the fast locking device of plug, pin insulator 13, contact element 14 and plug inner conductor 17.
Elastic card claw 16 rear portion of the fast locking device of described plug is fixed on plug outer conductor 11, the front portion of elastic card claw 16 is extended with buckle 161, buckle 161 is radially outward protruding, the anterolateral surface of buckle 161 is provided with buckle taper seat 1611, the front end of buckle 161 can be provided with the buckle face of cylinder 1612, is provided with the appearance storehouse 115 for accommodating buckle 161 during buckle 161 radial contraction between buckle 161 and plug outer conductor 11.Elastic card claw 16 is made up of elastomeric material, and the buckle taper seat 1611 of elastic card claw 16 can make buckle 161 radially-inwardly shrink under external force.The periphery of elastic card claw 16 is provided with columnar solution lock tube 15, separates lock tube 15 and can coordinate by relative sliding with elastic card claw 16, and the front portion of separating lock tube 15 is provided with the radially outward protruding window 1501 of the buckle 161 that can hold elastic card claw 16.The fast locking device of described socket is at the front end of socket outer conductor 22 axially grooved formation seat groove 222, and on a groove ancient piece of jade, round, flat and with a hole in its centre for present groove 222, radially outward fluting forms catching groove 223.
When described plug 1 and socket 2 plug together, the front portion of lock tube 15 is conciliate in company with inserting seat groove 222 in the front end of plug outer conductor 11, the buckle 161 of the elastic card claw 16 be fixed on plug outer conductor 11, buckle 161 be present groove 222 a groove ancient piece of jade, round, flat and with a hole in its centre effect under, radially-inwardly shrink enter in a groove 222.After plug 1 and socket 2 plug together and put in place, the radially outer projection of buckle 161 extend into the catching groove 223 radially outward arranged in a groove 222 under elastic reaction, realizes plug 1 and is connected with the quick locking of socket 2.When needs breakaway plug 1 and socket 2, external force acts on backward separates on lock tube 15, separate the edge action of the window 1501 on lock tube 15 on the buckle taper seat 1611 of elastic card claw 16, buckle 161 is radially-inwardly retracted in a groove ancient piece of jade, round, flat and with a hole in its centre for a groove 222, realizes the quick separating of plug 1 and socket 2.
In this embodiment, fixed form between elastic card claw 16 and plug outer conductor 11, can adopt directly by elastic card claw 16 and plug outer conductor 11 interference fit, also setting on elastic card claw 16 can be adopted to be threaded fixing, or the mechanical means such as to be welded to connect, can preferably adopt following fixed form: the fast locking device of described plug also comprises retainer ring 12, it is the loop configuration closed that the rear portion of elastic card claw 16 arranges claw retainer ring 162, claw retainer ring 162 has extended radially inwardly snap ring 163, snap ring 163 is by outer circumference surface 117 interference fit of described retainer ring 12 with plug outer conductor 11, elastic card claw 16 is fixed on the step shoulder 116 of plug outer conductor 11.
In this embodiment, fixed form between elastic card claw 16 and plug outer conductor 11 can preferably adopt following fixed form: be illustrated in figure 5 according to a kind of preferred structure schematic diagram with the radio frequency coaxial electric connector embodiment Elastic claw 16 of fast locking device of the present invention, be illustrated in figure 6 according to a kind of preferred structure schematic diagram with plug outer conductor 11 in the radio frequency coaxial electric connector embodiment of fast locking device of the present invention.Shown in figure, the rear portion of elastic card claw 16 arranges claw retainer ring 162 for having the loop configuration of opening 1621, claw retainer ring 162 has extended radially inwardly snap ring 163, snap ring 163 is by snapping in the draw-in groove 118 that plug outer conductor 11 is arranged, elastic card claw 16 is fixed on plug outer conductor 11, limits it and move forward and backward relative to plug outer conductor 11.Adopt this fixed form can save part retainer ring 12, reduce product and become to produce cost, and production assembling fast, elastic card claw 16 is fixedly connected with reliably.
For the elasticity of elastic card claw 16, there is the elastic performance difference of different elastomeric materials, the elasticity life-span that simultaneously also there is elastomeric material has certain number of times to limit.When the use elastic properties of materials of elastic card claw 16 is good not, or because the plug number of times of plug and socket is more, or be the miniaturization needs of connector, the space that elastic card claw 16 takies must be little, the wall thickness of elastic card claw 16 must arrange thinner, cause the elasticity of elastic card claw 16 not enough therefrom, buckle 161 can not bounce back into the position that can realize snap lock and connect.In order to solve the problem, in this embodiment, further, an annular collar groove 1613 is opened at the inwall of buckle 161, the collar 18 with opening is set in collar groove 1613, the elastic recovery of buckle 161 can be supported, effectively solve the not enough problem of elasticity of elastic card claw 16.
In Chinese patent ZL200810068882.X, in order to improve the passive inter-modulation performance after the plugging together of plug and socket or third order intermodulation performance, make fitting tightly between plug outer conductor butt end and socket outer conductor butt end, take increase auxiliary nut and elastic washer mode.In this embodiment, in order to solve the problem, guarantee that the Contact of two outer conductors is good, improve the passive inter-modulation performance of connector, contact element 14 is set between plug outer conductor 11 and socket outer conductor 22, cylindrically, its anterior profile groove 142 by axis is divided into multiple flexible cantilever beam to contact element 14, and its rear portion is circular contact ring 143.The cantilever beam of contact element 14 axially stretches out from contact ring 143, and the front end of cantilever beam is provided with the ring-shaped contact 141 of radially outer projection.Contact element 14 is fixed in the interior plug first step hole 113 arranged of plug outer conductor 11 by contact ring 143 interference fit at rear portion, is stretched in the socket first step hole 221 arranged in socket outer conductor 22 and the tight Elastic Contact of its sidewall by the ring-shaped contact 141 of the cantilever beam of front elastic.Contact element 14 is made up of resilient metal, such as a kind of suitable copper alloy.
In this embodiment, in plug outer conductor 11 except above-described plug first step hole 113 is set, behind plug first step hole 113, be provided with plug second step hole 114, before plug first step hole 113, be in succession provided with plug the 3rd stepped hole 112, plug the 4th stepped hole 111.The external diameter of plug the 4th stepped hole 111 is greater than the external diameter of plug the 3rd stepped hole 112, and the external diameter of plug the 3rd stepped hole 112 is greater than the external diameter in plug first step hole 113, and the external diameter in first step hole 113 is greater than the external diameter in plug second step hole 114.Plug first step hole 113 is for fixing contact element 14, and guarantee electrical contact tight and stable between contact element 14 and plug outer conductor, plug second step hole 114 is for holding and locking-type plug insulator 13, plug the 3rd stepped hole 112 for through the contact ring 143 of contact element 14, the part that plug the 4th stepped hole 111 surrounds for the seat groove 222 of the annular of receiver socket outer conductor 22.
Further, in order to reduce the space that connector length direction needs to take, improve the impedance matching performance of radio frequency (RF) coaxial connector, reduce the standing-wave ratio of radio frequency (RF) coaxial connector, be illustrated in figure 7 according to a kind of another structural representation of plug with the radio frequency coaxial electric connector embodiment of fast locking device of the present invention, shown in figure, pin insulator 13 is contained in contact element 14 at least in part, instead of being positioned at after contact element 14 as shown in Figure 3.Meanwhile, in the plug inner conductor 17 between the two ends of pin insulator 13, the inner wire groove 171 of annular is set.Further, a part for the plug inner conductor (17) that described inner wire groove 171 surrounds is set to broad in the middle, the structure that two is little, can contribute to the impedance matching performance improving radio frequency (RF) coaxial connector better.
In order to improve the sealing property of radio frequency (RF) coaxial connector, prevent connecting outside gaseous state, liquid material or dust and enter connector inside, affect the electric property of connector, in the seat groove 222 of socket outer conductor 22, arrange the first sealing ring 21, the activity space of this first sealing ring 21 takes on 225 restrictions by step in the groove in a groove.After above-mentioned plug 1 and socket 2 plug together, forward ends thereof first sealing ring 21 of plug outer conductor 11 is present one end of groove 222, plays sealing function to the inside of connector.Meanwhile, after plug 1 is separated with socket 2, the first sealing ring 21 can not be separated socket 2.
For the place that connector environment for use is more severe, as the gaseous state of connector outside, liquid material pressure is larger, or the problem such as the dust of connector outside is more serious, the sealing property of further raising connector, be illustrated in figure 8 the sealed structural representation connected according to a kind of radio-frequency (RF) coaxial with fast locking device of the present invention, shown in figure, arrange a sealing cap 3 to be threaded connection and to be fixed on socket outer conductor 22, sealing cap 3 is tubulose, socket outer conductor 22 arranges socket seal groove 224, built-in second sealing ring 5 of socket seal groove 224, plug outer conductor 11 arranges spigot seal groove 112, built-in 3rd sealing ring 4 of spigot seal groove 119.After above-mentioned plug 1 plugs together with socket 2, the inwall at sealing cap 3 two extrudes the second sealing ring 5 and the 3rd sealing ring 4 respectively, realizes the sealing of connector.
Claims (3)
1. one kind has the radio frequency coaxial electric connector of fast locking device, comprise plug (1) and socket (2), there is fast locking device, it is characterized in that: described fast locking device comprises the fast locking device of plug and the fast locking device two parts of socket, the fast locking device of plug comprises plug outer conductor (11), elastic card claw (16), separates lock tube (15), and the fast locking device of socket comprises socket outer conductor (22); Elastic card claw (16) rear portion of the fast locking device of described plug is fixed on plug outer conductor (11), the front portion of elastic card claw (16) is extended with buckle (161), buckle (161) is radially outward protruding, the anterolateral surface of buckle (161) is provided with buckle taper seat (1611), is provided with the appearance storehouse (115) for accommodating buckle (161) during buckle (161) radial contraction between buckle (161) and plug outer conductor (11); Elastic card claw (16) is made up of elastomeric material, and the buckle taper seat (1611) of elastic card claw (16) outside masterpiece can make buckle (161) radially-inwardly shrink; The periphery of elastic card claw (16) is provided with columnar solution lock tube (15), separating lock tube (15) can relative sliding with elastic card claw (16), and the front portion of separating lock tube 15 is provided with the radially outward protruding window (1501) of the buckle (161) holding elastic card claw (16); The fast locking device of described socket is the front end axially grooved formation seat groove (222) at socket outer conductor (22), and on a groove ancient piece of jade, round, flat and with a hole in its centre for present groove (222), radially outward fluting forms catching groove (223).
2. radio frequency coaxial electric connector according to claim 1, it is characterized in that: the fast locking device of described plug also comprises retainer ring (12), it is the loop configuration closed that the rear portion of described elastic card claw (16) arranges claw retainer ring (162), claw retainer ring (162) has extended radially inwardly snap ring (163), elastic card claw (16), by outer circumference surface (117) interference fit of described retainer ring (12) with plug outer conductor (11), is fixed on step shoulder (116) of plug outer conductor (11) by snap ring (163); The inwall of described buckle (161) opens an annular collar groove (1613), arranges the collar (18) with opening and support the elastic recovery of buckle (161) to the position that can realize snap lock connection in collar groove (1613); Contact element (14) is set between plug outer conductor (11) and socket outer conductor (22), contact element (14) cylindrically, its anterior profile groove (142) by axis is divided into multiple flexible cantilever beam, and its rear portion is circular contact ring (143); The cantilever beam of contact element (14) axially stretches out from contact ring (143), and the front end of cantilever beam is provided with radially outward protruding ring-shaped contact (141); Contact element (14) is fixed in the interior plug first step hole (113) arranged of plug outer conductor (11) by contact ring (143) interference fit at rear portion, is stretched in the socket first step hole (221) arranged in socket outer conductor (22) and the tight Elastic Contact of its sidewall by the ring-shaped contact (141) of the cantilever beam of front elastic; Behind plug first step hole (113), be provided with plug second step hole (114), frontly in plug first step hole (113) be in succession provided with plug the 3rd stepped hole (112), plug the 4th stepped hole (111); The external diameter of plug the 4th stepped hole (111) is greater than the external diameter of plug the 3rd stepped hole (112), the external diameter of plug the 3rd stepped hole (112) is greater than the external diameter in plug first step hole (113), and the external diameter of first step hole (113) is greater than the external diameter in plug second step hole (114); Described plug (1) has pin insulator (13); Plug second step hole (114) holds and locking-type plug insulator (13); Described plug (1) comprises the fast locking device of plug, pin insulator (13), contact element (14) and plug inner conductor (17); Described pin insulator (13) is contained in contact element (14) at least in part, in the plug inner conductor (17) between the two ends of pin insulator (13), arranges the inner wire groove (171) of annular; A part for the plug inner conductor (17) that described inner wire groove (171) surrounds is set to broad in the middle, the structure that two is little; Arrange the first sealing ring (21) in the seat groove (222) of described socket outer conductor (22), the first sealing ring (21) activity space is takeed on (225) by step in the groove in a groove and is limited; Be provided with a sealing cap (3) to be threaded connection and to be fixed on socket outer conductor (22), sealing cap (3) is tubulose, socket outer conductor (22) arranges socket seal groove (224), built-in second sealing ring (5) of socket seal groove (224), plug outer conductor (11) arranges spigot seal groove (119), built-in 3rd sealing ring (4) of spigot seal groove (119); After described plug (1) and socket (2) plug together, the inwall at sealing cap (3) two extrudes the second sealing ring (5) and the 3rd sealing ring (4) respectively, realizes the sealing of connector.
3. radio frequency coaxial electric connector according to claim 1, it is characterized in that: the rear portion of described elastic card claw (16) arranges claw retainer ring (162) for having the loop configuration of opening (1621), claw retainer ring (162) has extended radially inwardly snap ring (163), snap ring (163) is by snapping in the upper draw-in groove (118) arranged of plug outer conductor (11), elastic card claw (16) is fixed on plug outer conductor (11), limits that it is movable relative to plug outer conductor (11); The inwall of described buckle (161) opens an annular collar groove (1613), arranges the collar (18) with opening and support the elastic recovery of buckle (161) to the position that can realize snap lock connection in collar groove (1613); Contact element (14) is set between plug outer conductor (11) and socket outer conductor (22), contact element (14) cylindrically, its anterior profile groove (142) by axis is divided into multiple flexible cantilever beam, and its rear portion is circular contact ring (143); The cantilever beam of contact element (14) axially stretches out from contact ring (143), and the front end of cantilever beam is provided with radially outward protruding ring-shaped contact (141); Contact element (14) is fixed in the interior plug first step hole (113) arranged of plug outer conductor (11) by contact ring (143) interference fit at rear portion, is stretched in the socket first step hole (221) arranged in socket outer conductor (22) and the tight Elastic Contact of its sidewall by the ring-shaped contact (141) of the cantilever beam of front elastic; Behind plug first step hole (113), be provided with plug second step hole (114), frontly in plug first step hole (113) be in succession provided with plug the 3rd stepped hole (112), plug the 4th stepped hole (111); The external diameter of plug the 4th stepped hole (111) is greater than the external diameter of plug the 3rd stepped hole (112), the external diameter of plug the 3rd stepped hole (112) is greater than the external diameter in plug first step hole (113), and the external diameter of first step hole (113) is greater than the external diameter in plug second step hole (114); Described plug (1) has pin insulator (13); Plug second step hole (114) holds and locking-type plug insulator (13); Described plug (1) comprises the fast locking device of plug, pin insulator (13), contact element (14) and plug inner conductor (17); Described pin insulator (13) is contained in contact element (14) at least in part, in the plug inner conductor (17) between the two ends of pin insulator (13), arranges the inner wire groove (171) of annular; A part for the plug inner conductor (17) that described inner wire groove (171) surrounds is set to broad in the middle, the structure that two is little; Arrange the first sealing ring (21) in the seat groove (222) of described socket outer conductor (22), the first sealing ring (21) activity space is takeed on (225) by step in the groove in a groove and is limited; Be provided with a sealing cap (3) to be threaded connection and to be fixed on socket outer conductor (22), sealing cap (3) is tubulose, socket outer conductor (22) arranges socket seal groove (224), built-in second sealing ring (5) of socket seal groove (224), plug outer conductor (11) arranges spigot seal groove (119), built-in 3rd sealing ring (4) of spigot seal groove (119); After described plug (1) and socket (2) plug together, the inwall at sealing cap (3) two extrudes the second sealing ring (5) and the 3rd sealing ring (4) respectively, realizes the sealing of connector.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310055163.5A CN103094782B (en) | 2013-02-21 | 2013-02-21 | Radio frequency coaxial electric coupler with quick-locking device |
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| CN201310055163.5A CN103094782B (en) | 2013-02-21 | 2013-02-21 | Radio frequency coaxial electric coupler with quick-locking device |
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| CN103094782A CN103094782A (en) | 2013-05-08 |
| CN103094782B true CN103094782B (en) | 2015-04-01 |
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