CN1125514C

CN1125514C - Socket connector

Info

Publication number: CN1125514C
Application number: CN 00119454
Authority: CN
Inventors: 张仁柔
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2000-07-14
Filing date: 2000-07-14
Publication date: 2003-10-22
Anticipated expiration: 2020-07-14
Also published as: CN1334623A

Abstract

The present invention relates to a plug seat connector, comprising an insulation main body, a plurality of terminals, and a device preventing from misplugging, wherein the insulation main body is provided with a containing space, a plurality of terminals are arranged in the insulation main body, each terminal at least comprises a contact part extending in the containing space and a tail part extending out the bottom face of the insulation main body. But the device preventing from misplugging is assembled between the terminals and the rear wall of the containing space; when the a non-matching plug connector is inserted, the device preventing from misplugging can not pushed because the size can not match, and the device provides the function of supporting below the contact parts of the terminals; thereby, the terminals can be effectively protected and the non-matching plug connector is prevented from inserting.

Description

Socket connector

The present invention is a kind of connector, refers in particular to a kind of standardization communication network socket connector with misplug prevention device.

The RJ-45 plug that is used for communication network is bigger than RJ-11 plug that is used for wired telephone network and socket connector width dimensions with the width dimensions of socket connector, and therefore, the RJ-11 pin connector may insert in the Registered Jack-45 connector.When yet the RJ-11 pin connector inserts in the Registered Jack-45 connector, will damage the conducting terminal in the Registered Jack-45 connector, more likely can cause electrical destruction.United States Patent (USP) the 6th, 022, No. 246 case has disclosed one type connector, on plug that docks mutually and socket connector, the anti-mis-insertion structure is set to prevent to take place the phenomenon of loading error between the two, but this structural design can not prevent that the less RJ-11 pin connector of size from inserting in the larger-size Registered Jack-45 connector.Has same assignee's U.S. Patent application the 09/536th with present patent application, then disclosed a kind of socket connector of tool misplug prevention device No. 165, its misplug prevention device is provided in a side of the porch of the receiving space of socket connector, when the butt connector with its coupling inserts, to promote this misplug prevention device and make it produce deflection distortion, thereby butt connector can be inserted.But, therefore misplug prevention device is arranged on the porch, therefore must provide enough big, especially longitudinally length wants enough big receiving space to accommodate the space of this misplug prevention device and rotation thereof, this development trend for the short and small thin typeization of present electronic building brick is obviously unfavorable, and in the frequent insertion of butt connector and the process of extracting, this misplug prevention device might come off from the porch of receiving space, and therefore this design still has further improved necessity.

The object of the present invention is to provide a kind of socket connector of tool misplug prevention device, it can stop the pin connector of non-coupling to insert, and can overcome existing apparatus many, the caducous shortcoming that takes up room, reach the reliable and effect little, that be beneficial to the short and small thin typeization of electronic building brick that takes up room of anti-misplug function.

The object of the present invention is achieved like this: socket connector includes insulating body, plurality of terminals and misplug prevention device, and wherein the surface is provided with receiving space before the insulating body; The plurality of terminals group is located in the insulating body, and wherein each terminal all includes a bending at least and extends that be formed with in the above-mentioned receiving space and in receiving space can be for the contact site in the space of its strain, and one stretches out the afterbody of insulating body bottom surface downwards; It is characterized in that: group is provided with misplug prevention device between the rear wall of above-mentioned terminal and insulating body receiving space, it includes one at least and replaces that supporting surface, an end and supporting surface in termination contact subordinate side offsets and elastic portion that the other end and insulating body rear wall offset, and a pair of and the supporting surface interlock is provided with and its mutual spacing greater than the ejection face of the width dimensions of non-matching plug connector.

When the pin connector with the misplug prevention device coupling inserts, this connector promotes the ejection of misplug prevention device and moves towards the back, driving supporting surface simultaneously moves backward and itself and termination contact portion is separated, make terminal to be pressed down and produce strain, thereby pin connector can enter and wherein form butt joint, and when this connector is extracted, move towards preceding owing to the recovery of elastic portion makes supporting surface and ejection, the blocking surface of insulating body can stop that it stops at original position and can not damage terminal.When the pin connector of non-coupling inserts; because of its width dimensions can not promote misplug prevention device less than the spacing between the ejection face; and the supporting surface of misplug prevention device provides a supporting role in termination contact subordinate side; make terminal can not produce strain, thereby effectively protect terminal and stop the pin connector of non-coupling to insert.

Compared to prior art; the present invention sets up defences by means of group between the rear wall of terminal and insulating body receiving space and misplugs device; thereby effectively protect terminal and stop the pin connector of non-coupling to insert, solve prior art many, the caducous shortcoming that takes up room simultaneously.

The present invention is described in detail below in conjunction with drawings and Examples.

Fig. 1 is the three-dimensional exploded view of socket connector of the present invention.

Fig. 2 is the three-dimensional exploded view of misplug prevention device of the present invention and terminal assemblies.

Fig. 3 is the stereogram of socket connector of the present invention.

Fig. 4 is the cutaway view along the A-A direction of Fig. 3, and promptly the banjo connector part inserts and when not promoting misplug prevention device, misplug prevention device of the present invention is in the schematic diagram in home position.

Fig. 5 is a banjo connector when further inserting, the schematic diagram of the change in location of misplug prevention device of the present invention.

Fig. 6 is a banjo connector when fully inserting, and misplug prevention device of the present invention is in the schematic diagram of final compression position.

See also Fig. 1 and Fig. 2, a kind of Registered Jack-45 connector 1 with misplug prevention device 40, it includes insulating body 10, its periphery is coated with shielding casing 30, be provided with the receiving space 11 that to accommodate RJ-45 pin connector 5 at its front surface, its rear surface is provided with an opening 12 (as shown in Figure 4), in the centre position of the diapire of insulating body 10 and near opening 12 places some conduits 13 that extended internally, and below the two side, be formed with a slit 14 and a blocking surface 15 with opening 12 intersections.

Terminal assemblies 20 is mounted in the insulating body 10 from above-mentioned opening 12, its include a matrix 22 and with matrix 22 integrated plurality of terminals 21, wherein each terminal 21 includes one and extends to matrix 22 tops and can stretch into the location division 21b and that the contact site 21a, of the receiving space 11 of insulating body 10 can stretch in the conduit 13 and stretch out the afterbody 21c of matrix 22 bottom surfaces downwards from the bending of matrix 22 front ends.

Misplug prevention device 40 is mounted between the upper surface and terminal 21 contact site 21a of these terminal assemblies 20 matrixes 22, and go in the insulating body 10 with 20 groups of terminal assemblies, it includes the front-axle beam 43 of a horizontally set, one horizontally set reaches between the front-axle beam 43 and the back rest 44 and flexible elastic portion 45 in order to the back rest 44 that withstands on matrix 22 rear portions, wherein front-axle beam 43 is provided with and is resisted against the supporting surface 431 of terminal 21 contact site 21a below in order to stop terminal 21 to move down, and this supporting surface 431 is inclined to set, and overbending direction and angle when its incline direction and angle are in free state with terminal 21 contact site 21a respectively are identical.In addition, be arranged with pair of projections 41 on the both sides of front-axle beam 43, the front surface of boss 41 forms ejection face 411, boss 41 and ejection face 411 are formed the penetrating mechanism of this misplug prevention device 40, wherein the inner side edge spacing of two ejection faces 411 can not be promoted by it greater than the size of the pin connector of non-coupling, the lateral wall spacing of boss 41 then approaches the lateral dimension of the receiving space 11 of insulating body 10, to prevent that it is along laterally moving.Lateral surface at two boss 41 all is formed with a shoulder 42 that can slide along the slit 14 of insulating body 10 at two tail ends of front-axle beam 43.

Please cooperate and consult Fig. 3 and shown in Figure 4, terminal assemblies 20 is gone into insulating body 10 with the misplug prevention device 40 that is arranged in its matrix 22 upper surfaces for 12 groups from the opening of the body 10 that insulate, shielding casing 30 is coated on the periphery of insulating body 10, wherein matrix 22 is retained on the insulating body 10, the contact site 21a of terminal 21 stretches in the receiving space 11, its afterbody 21c then stretches out in outside the Registered Jack-45 connector 1 downwards in the location division 21b insertion conduit 13, with with circuit board on contact (not icon) electrically connect, the shoulder 42 of misplug prevention device 40 stretches into the below of insulating body 10 two sides simultaneously, and two lateral walls of its boss 41 then lean against the madial wall of insulating body 10.

Please consult Fig. 5 and Fig. 6 simultaneously, when RJ-45 pin connector 5 inserts in the Registered Jack-45 connector 1, because of its lateral dimension identical with the lateral dimension of receiving space 11, so its front end face 51 just can promote to be located at the ejection face 411 on the boss 41 of misplug prevention device 40, make the shoulder 42 of front-axle beam 43 move and push simultaneously elastic portion 45 backward along the slit 14 of insulating body 10, because an end one of elastic portion 45 is connected on the back rest 44, stopped and to move by matrix 22 because of the back rest 44 again, thereby make elastic portion 45 by compression, simultaneously front-axle beam 43 drives supporting surfaces 431 and moves backward and the bottom surface of itself and terminal 21 contact site 21a is separated, along with moving behind the propelling of RJ-45 pin connector 5 and the supporting surface 431, the contact site 21a of terminal 21 is that the axle center is bent downwardly the generation strain with location division 21b, thereby makes the pin connector of RJ-45 be entered wherein formation electric connection.When RJ-45 pin connector 5 is extracted, the elastic force that produces by released energies in the elastic portion 45 of misplug prevention device 40, and front-axle beam 43 is moved forward, the blocking surface 15 that is insulated body 10 up to the front surface of its shoulder 42 stops and stops at the origin-location.Because the width dimensions of the pin connector (as the RJ-11 pin connector) of non-coupling is less than the spacing of two ejection faces, 411 inner side edges; therefore can not drive this ejection face that installs 40 both sides 411 simultaneously; thereby when it inserts; because the supporting surface 431 of misplug prevention device 40 is located at the contact site 21a below of terminal 21; one supporting role can be provided; make terminal 21 can not produce strain, thereby effectively protect the configuration of terminal 21 and stop the pin connector of non-coupling to insert.

In addition, because the lateral wall spacing of the boss 41 of misplug prevention device 40 and the lateral dimension of receiving space 11 inboards are approaching, therefore, even the RJ-11 pin connector inserts the position secundly in the Registered Jack-45 connector, and might withstand on one of them of ejection face 411 of the boss 41 of misplug prevention device 40 both sides, also can make the elastic portion 45 of misplug prevention device 40 stressed sides produce distortion, and make front-axle beam 43 produce crooked and desire to move inward, but as previously mentioned, the lateral dimension of the lateral wall spacing of boss 41 and receiving space 11 inboards is approaching, therefore the madial wall of receiving space 11 can stop crooked front-axle beam 43 to continue to move to the inside of receiving space 11, thereby can stop the RJ-11 pin connector to insert.

Claims

1. socket connector, include at least: insulating body, plurality of terminals and misplug prevention device wherein are provided with receiving space on surface before the insulating body; Plurality of terminals is mounted in the insulating body, wherein each terminal include at least all that a bending extends above-mentioned receiving space and be formed with in receiving space can be for the contact site in the space of its strain, and the afterbody of a protruding insulating body; It is characterized in that: group is provided with misplug prevention device between above-mentioned terminal and insulating body, its include at least that a front-axle beam, replaces that supporting surface, an end and supporting surface in termination contact subordinate side offsets and elastic portion that the other end and insulating body rear wall offset, and a pair of and supporting surface be the interlock setting and with mutual spacing ejection face greater than the width dimensions of non-matching plug connector, described front-axle beam both sides are arranged with boss, and the lateral wall spacing of two boss approaches the lateral dimension of receiving space.

2. pin connector as claimed in claim 1 is characterized in that: the rear surface of insulating body is provided with opening, and described terminal group is located on the matrix, organizes together from opening and establishes the insulating body.

3. socket connector as claimed in claim 2 is characterized in that: elastic portion withstands on the back rest of the end formation misplug prevention device of insulating body rear wall.

4. socket connector as claimed in claim 3 is characterized in that: the below of insulating body and opening intersection are formed with blocking surface.

5. socket connector as claimed in claim 1 is characterized in that: described supporting surface is located on the front-axle beam, and ejection face then is located on the boss.

6. socket connector as claimed in claim 5, it is characterized in that: supporting surface is inclined to set, overbending direction and angle direction when its incline direction and angle are in free state with termination contact portion respectively.

7. socket connector as claimed in claim 1 is characterized in that: described two ejection faces are positioned on the same vertical plane.

8. the pin connector that can stop non-coupling inserts the method in the socket connector, and it is characterized in that: at first, provide a socket connector, a receiving space is set on its insulating body, plurality of terminals is mounted on the insulating body; Secondly, an anti-mis-insertion setting is set between the rear wall of terminal and insulating body receiving space; The structure of the pin connector insertion that stops above-mentioned non-coupling is set on misplug prevention device once more; At last, be provided with on misplug prevention device that the pin connector can make with its coupling promotes that this misplug prevention device enters wherein and the structure that forms electric connection.