CN2501201Y - Combination of RF connector - Google Patents

Abstract

A rf connector combination includes a first connector and a second connector. The first connector includes a first shell, a first terminal, a first location body and an inserting sleeve which is arranged between the first shell and the first location body, the vertical distance from the free front-end of the first terminal to the free front-end of the first shell is equal to d1; the second includes a second shell, a second location body and a second terminal which is arranged in the second location body, the vertical distance from the free front-end of the second terminal to the free front-end of the second shell is equal to d1, and d2 is more than d1. The position of the inserting sleeve near the free front-end of the first terminal is convexly provided with a beaded edge part, the free front-end of the second shell forms a guide sleeve which can be interlocked between the front end of the first shell and the inserting sleeve, the front of the guide sleeve near the second terminal is concavely arranged inwards with a groove to fix the beaded edge part. With the structure, the utility model can ensure the correct docking of the conductive terminals.

Description

The radio frequency connector combination

Technical field the utility model relates to a kind of radio frequency connector combination, refers in particular to a kind of radio frequency connector combination that is used for transmitting radio frequency signal.

The technology that background technology is relevant with this case can be with reference to United States Patent (USP) the 5th, 611, shown in No. 707, the pin connector of the radio frequency connector of its announcement combination externally is provided with an elasticity and inserts tin between the insulating body of housing and fixing terminal, elastic front end is provided with a bulge loop, and the blocking of socket connector shielding casing front end has a grafting sleeve, the grafting barrel end is provided with an inclined-plane and forms the groove of accommodating bulge loop with the inclined-plane with the shielding casing inwall, insert tube by elasticity during grafting and provide the effect that guides normotopia in advance to docking of terminal, can make reliably butt joint each other between terminal with the grafting sleeve; Increase the confining force of butt connector simultaneously by bulge loop and the mutual buckle of groove; Is d1 at the front end of pin connector external shell to the vertical range of the free front end of fixing terminal, equal to accommodate the vertical range d2 of the free front end of terminal to the grafting barrel forward end from socket connector, during insertion, when the front end of pin connector external shell contacts with socket connector grafting barrel forward end, the free front end of fixing terminal just with accommodate the free front end of terminal and connect.

But because its socket connector need be provided with a grafting sleeve separately, and the grafting sleeve need be organized and is located on the shielding casing.Less and guarantee under the situation of degree of precision at accessory size, its manufacturing and assembling be suitable difficulty all, and is unfavorable for reducing cost; In addition, the bulge loop of pin connector is located at elasticity and inserts the tube end, engages with the groove that is located at the grafting barrel end.When pin connector is subjected to active force perpendicular to the grafting axis direction, it may make resilient sleeve produce bigger moment of torsion at bulge loop and engage grooves place, so that produce strain, and then may make the relative female terminal skew of plug terminal, so that plug or female terminal bend, damage.

The summary of the invention the purpose of this utility model is to provide a kind of radio frequency connector combination that two butt connectors are firm, safety is docked that makes.

The purpose of this utility model is to be achieved through the following technical solutions: the utility model comprises first connector and second connector.Wherein first connector comprises that first housing, the first terminal, first positioning body and group are located at the grafting sleeve between first housing and first positioning body, and the free front end of this first terminal is d1 to the vertical range of the free front end of first housing; Second connector comprises second housing, second positioning body and passes second terminal of second positioning body, and the free front end of second housing is provided with the guiding sleeve, and the free front end of second terminal is d2 to the vertical range of the free front end of second housing, and d2＞d1.When such first connector docks with second connector, when the grafting sleeve of first connector just enters the guiding sleeve of second connector fully, the first terminal does not contact with second terminal, but the guiding sleeve cooperates with the grafting of grafting sleeve, make the central axes of the first terminal and second terminal, guarantee firm, the safety butt joint of two connectors.

The utility model has been guaranteed the accuracy of two connectors butt joints by above-mentioned design, protects terminal effectively.Simultaneously when the grafting sleeve of first connector just enters the guiding sleeve of second connector fully, the first terminal does not contact with second terminal, this moment the direction if first connector is subjected to vertically pegging graft active force, because the guiding sleeve is to the grafting cooperation and the positioning action of grafting sleeve, can not make the relative second terminal generation angular deflection of the first terminal, in case not-go-end is impaired.

Description of drawings Fig. 1 is the cutaway view before the utility model first connector and second connector are not pegged graft.

Fig. 2 is first connector and the cutaway view of second connector in the grafting process shown in Figure 1.

Fig. 3 is first connector and the cutaway view of second connector behind the location of pegging graft shown in Figure 1.

Embodiment please refer to Fig. 1, and the combination of the utility model radio frequency connector comprises first connector 1 and second connector 2 that connects mutually.First connector 1 comprises first housing 10, the first cavity portion 11, the first terminal 12, grafting sleeve 13, first positioning body 15 and end portion cavity 14.The first cavity portion 11 comprises that group is located at the single order afterbody cavity 110 in first housing 10 and communicates with single order afterbody cavity 110, and diameter is greater than the second order afterbody cavity 111 of single order afterbody cavity 110 diameters.The first terminal 12 passes second order afterbody cavity 111, is positioned on housing 10 axis by first positioning body 15, comprises contacting part 120, first stem portion 121, first fastening ring 124, first afterbody 122 and Fixed Division 123, sets gradually along axis direction.First fastening ring 124 is arranged on the main body middle part of first stem portion 121, in order to engage with first positioning body 15.Weld mutually with cable (not shown) Fixed Division 123 in the present embodiment, and contacting part 120 is the column contact pin.In addition, first connector 1 also is provided with a grafting sleeve 13 between first housing 10 and first positioning body 15, and it comprises group connecting part 132, flanging part 131 and Plug Division 130.Group connecting part 132 is retained between first housing 10 and first positioning body 15, and links to each other with Plug Division 130, and flanging part 131 is convexly equipped with in the Plug Division 130 middle part.In the present embodiment, grafting sleeve 13 is made by the metal material with preferable rigidity, and the Plug Division 130 of grafting sleeve 13 is forked and is provided with at interval.The group connecting part 132 of grafting sleeve 13 surrounds end portion cavity 14 with the Plug Division 130 and first housing 10.The contacting part 120 free front ends of the first terminal 12 are d1 to the vertical range on the plane, free front end place of first housing 10.

Second connector 2 comprises second housing 20, the second cavity portion 21, back seat group 22, second terminal 23, second positioning body 24 and side terminal 25.Wherein second positioning body 24 is housed in the second cavity portion 21, and second terminal 23 passes the back seat group 22 and second positioning body 24.Second housing 20 comprises guiding sleeve 200, and first side opening 201 and second side opening 202 that are provided with at second housing, 20 lateral bodys, and preceding butt joint chamber 203, groove 204 and limited step 205 are successively set on the inside of second housing 20 respectively.In the present embodiment, first side opening 201 and second side opening 202 connect, and first side opening, 201 diameters are greater than second side opening 202.Preceding butt joint chamber 203 forms a space for guiding sleeve 200 inner wall surroundings.Guiding sleeve 200 inner wall at end have a slight inclined-plane and second housing, 20 inwall recess to constitute groove 204.In second housing 20, another space adjacent with groove 204 is the second cavity portion 21.In addition, side terminal 25 passes side card body 250, can be welded to circuit board or other electronic building brick (not shown).First side opening 201 of the last plane of side card body 250 and second housing 20 is on a horizontal plane, and second side opening 202 of second housing 20 is accommodated side card body 250.

In addition, back seat portion 22 comprises stopper 220, slide wall 221, elastic parts 222, sealing 223.In the present embodiment, stopper 220 is slided in slide wall 221, elastic parts 222 is a helical spring, stopper 220 1 ends contact with elastic parts 222, elasticity of compression assembly 222 in stopper 220 sliding processes, the side of stopper 220 other ends and side terminal 21 most advanced and sophisticated 210 is inconsistent, with the sliding scale of restriction stopper 220.Sealing 223 is elastic parts 222 fixedly.Second positioning body 24 is fixed in the second cavity portion 21.Comprise that the middle stopper 241 of advancing slip 240, advancing slip relatively 240 projections and middle relatively stopper 241 indents form the rear holding part 242 of step.In the present embodiment, the limited step 205 of the middle stopper 241 of second positioning body 24 and the second cavity portion 21 matches.In addition, in second connector 2, second terminal 23 that passes the back seat group 22 and second positioning body 24 comprises second fastening ring 233 that holds tip 230, second stem portion 231, second afterbody 232 and be provided with on second afterbody 232.In the present embodiment, second terminal 23 is cylindric, is positioned on the horizontal axis of second connector 2 by second positioning body 24 and back seat group 22.The appearance tip 230 free front ends of second terminal 23 are d2 to the vertical range of second housing, 20 free front ends, and d2＞d1.

In the present embodiment, first and second connector 1,2 all is connected with coaxial cable, because of its ways of connecting well-known, so do not give unnecessary details.

Please refer to Fig. 2 and Fig. 3, in docking operation, the grafting sleeve 13 first inwalls along second housing 20 of first connector 1 dock in the chamber 203 before moving and being plugged to, when guiding sleeve 200 free throat angle faces touch the free throat angle face of the first card body 10, the resilient engagement of the Plug Division 130 by grafting sleeve 13 and the guiding sleeve 200 of the flanging part 131 and second housing 20, automatically adjust the axis direction of two connectors, they are overlapped, thereby guarantee that the first terminal 12 and second terminal 23 align in the grafting direction.Because d1＜d2, the first terminal 12 does not contact with second terminal 23 this moments, thus the protection terminal.When grafting was finished, flanging part 131 was housed in the groove 204, and the guiding sleeve 200 of second connector 2 is housed in the end portion cavity 14 of first connector 1 in addition, and the free front end of guiding sleeve 200 is conflicted at the end face of grafting sleeve 13 group connecting parts 132.The free front end of the Plug Division 130 of grafting sleeve 13 is conflicted on advancing slip 240 1 end face of second positioning body 24, promoting second positioning body 24 slides, make the rear holding part 242 of second positioning body 24 stopper 220 of back seat group 22 of conflicting, and force the spring portion 222 of stopper 220 compression back seat groups 22.

Compared with prior art, because d1＜d2, like this in the grafting process, when the guiding sleeve 200 free throat angle faces of second housing 20 touch the free throat angle face of first housing 10, or guiding sleeve 200 is when tentatively entering in the end portion cavity 14 of first connector 1, and the first terminal 12 of first connector 1 does not also dock with second terminal 23 of second connector 2.Because the resilient engagement of the Plug Division 130 of grafting sleeve 13 and the guiding sleeve 200 of the flanging part 131 and second housing 20 makes the dead in line of two connectors, aligns in the grafting direction at the first terminal 12 and second terminal 23.Guarantee firm, safe, the correct butt joint of two connectors.And then protect terminal better.

Claims (5)

1. a radio frequency connector combination comprises first connector and second connector, and wherein first connector comprises that first housing, first positioning body, the first terminal and group are located at the grafting sleeve between first housing and first positioning body; Second connector comprises second housing, second positioning body and second terminal, it is characterized in that: the free front end of the first terminal to the vertical range of the free front end of first housing less than the vertical range of the free front end of second terminal to the free front end of second housing.

2. radio frequency connector combination as claimed in claim 1, it is characterized in that: described second housing, one end inwall is provided with the guiding sleeve that has groove.

3. radio frequency connector combination as claimed in claim 2, it is characterized in that: described grafting sleeve outer wall convexes with flanging part.

4. radio frequency connector combination as claimed in claim 3, it is characterized in that: described second connector comprises the back seat group that has elastic parts.

5. radio frequency connector combination as claimed in claim 4, it is characterized in that: described elastic parts is a helical spring.

Images