CN1090393C

CN1090393C - Socket connector

Info

Publication number: CN1090393C
Application number: CN 99119908
Authority: CN
Inventors: 吴熴灿
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: 1999-10-29
Filing date: 1999-10-29
Publication date: 2002-09-04
Anticipated expiration: 2019-10-29
Also published as: CN1303148A

Abstract

The present invention relates to a socket connector. At least one of a plurality of terminals arranged in inserting holes of the socket connector is provided with an elastic extension arm extending towards the centre lines of the holes, and another terminal which is matched with the terminal to form an on-off effect is provided with an elastic contact arm extending towards the extension arm. The two arms both generate equivalent elastic deformation to be in tight butt joint. When inserted in, a plug presses down the extension arm, the contact arm slides towards the free location along the contact surface between the two arms due to elastic recovery, and the extension arm and the elastic contact arm are separated from each other finally. The scraping effect can be generated in the process, and impurities on the contact surface can be scraped, so the cleanness and the good contact can be ensured.

Description

Socket connector

The relevant a kind of socket connector of the present invention relates in particular to and can produce the scraping effect between a kind of terminal of tool on-off action wiping the impurity on the contact-making surface, and makes it keep the voice socket connector of good contact effect.

In recent years, high speed development along with various miniature electronic utensils such as technology such as mobile phone, portable computer, the socket connector especially application of voice socket connector on these miniature electronic devices day by day increases, relevant existing design can be with reference to United States Patent (USP) the 4th, 846, and 719,4,978,310 and 5,092, cases such as No. 795.Figure 1 shows that the cutaway view of existing socket connector, can recognize the internal structure of existing socket connector by figure.

Yet because electronic apparatus operational environment more complicated such as mobile phone, portable computer are changeable, after long-term the use, portion can be attached with dust impurity within it inevitably.Therefore, contact-making surface in the existing socket connector between the contact site 301 and 401 of terminal 300 and 400 mutual butts also can adhere to dust impurity, but the contact site 301 of existing structure and 401 is not owing to have the effect of wiping impurity, and can't keep in touch the face cleaning for a long time, effectively.When dust impurity adhesion amount is excessive, will inevitably causes loose contact between two contact sites, thereby have influence on the effect of telecommunication transmission.

The object of the invention is to provide a kind of socket connector that is used for transmission signal or electric power, has the function of wiping dust impurity automatically between two conducting terminals of set tool on-off action in this socket connector, can remain the cleaning of contact-making surface therebetween, and guarantee to contact respond well and telecommunication transmission stable.

For achieving the above object, the present invention adopts following technical scheme: socket connector includes insulating body and plurality of terminals, on insulating body, be provided with a spliced eye at least and insert butt joint for a plug, several terminals then are arranged in the spliced eye of this insulating body, wherein at least one terminal is provided with towards the spliced eye center line and extends the elastic extension arm of projection contact with plug, with this terminal pairing be provided with the another terminal that forms a switch effect then be provided with towards this elastic extension arm extension and with the elastic contact arm of its butt.Before plug inserts spliced eye, described elastic extension arm has suitable strain and position when departing from its free state and closely being connected between elastic contact arm, when plug inserts spliced eye, the elastic extension arm is pressed towards the direction that departs from the spliced eye center line, at this moment, elastic contact arm slides because of the effect of himself elastic-restoring force tends to its former free state position along the contact-making surface between itself and the elastic extension arm, and finally separates with this elastic extension arm.In this process, on the contact-making surface of the two, produce the scraping effect and the dust impurity on the contact-making surface is wiped, thereby guarantee that contact-making surface cleaning and contact are good.

Compared with prior art, socket connector of the present invention can be under the condition that does not increase additional member, design and self characteristics thereof by the two-terminal relative position, can when relative motion, produce the scraping effect dust impurity on the contact-making surface is wiped, thereby it is good to keep in touch the cleaning of face and telecommunication contact and laser propagation effect.

The invention will be further described below in conjunction with accompanying drawing and preferred embodiment.

Fig. 1 is the cutaway view of existing socket connector.

Fig. 2 is the partial schematic diagram of the internal structure of socket connector one embodiment of the present invention.

Fig. 3 is another partial schematic diagram of the internal structure of socket connector shown in Figure 2.

Fig. 4 is the zoomed-in view at A place among Fig. 2, the butt situation in its demonstration socket connector of the present invention between the two-terminal of tool on-off action, and wherein dotted line is depicted as the position of this two-terminal under the free state.

Fig. 5 has shown socket connector shown in Figure 4, and the schematic diagram of contact-making surface change in location between this two-terminal when inserting plug produces the scraping effect simultaneously between this process contact-making surface.

Fig. 6 is the schematic diagram of position when showing two-terminal separated position shown in Figure 4.

Fig. 7 is the partial schematic diagram of another embodiment of the present invention.

The schematic diagram of position when Fig. 8 is a two-terminal separated position embodiment illustrated in fig. 7.

See also Fig. 2,3, socket connector of the present invention includes insulating body 1 and plurality of

terminals

2,3 and 4 etc.Wherein, insulating body 1 is a rectangular body, the one side surface is made as front surface 11, with these front surface 11 adjacent first and

second side

13,14 and bottom surfaces 12 that are provided with, on front surface 11, convex with the docking section 15 of cylindrical shape, and in this docking section 15, be provided with the spliced eye 16 that is through to insulating body 1 inside and insert wherein for a plug 6, to reach the purpose of signal transmission.

Described terminal comprises: connect with output with plug and send several the first terminals 2 of signal, when plug does not insert in order to contact with the first terminal 2 to receive signal and to reach several second terminals 3 of internal system and the earth terminal 4 that is exclusively used in ground connection.For ease of describing, only selecting wherein herein, a first terminal 2 and one second terminal 3 are illustrated.In the present embodiment, this the first terminal 2 and second terminal 3 have a

base portion

21,31 respectively, wherein form the elastic extension arm 211 of spliced eye 16 centerline direction projectioies on one day from base portion 21 1 end bending extensions, this elastic extension arm 211 is formed with a contact site 212 near the spliced eye centerline, and a tail end 213 is extended in these contact site 212 further bendings; Leg 214 to weld mutually with circuit board outside base portion 21 other ends then are extended with the bottom surface 12 that passes insulating body 1.In addition, the base portion 31 1 end punching out of second terminal 3 have an elastic contact arm 311, the configuration of the internal structure of these elastic contact arm 311 coordinated insulation bodies 2, and after multidirectional suitable bending, tail end 213 towards the first terminal 2 extends, and the abutting part 312 that its extending end formation one and described tail end 213 offset, and also be provided with a leg 313 that extends outside the bottom surface 12 at the other end of elastic contact arm 311.Between the bottom surface 12 of the elastic extension arm 211 of the first terminal 2 and insulating body 1 and be provided with spring 5, an elastic acting force can be provided and keep the favorable elasticity restoring force of terminal.

Please refer to Fig. 4, the position when being respectively each comfortable free state of the first terminal 2 and second terminal 3 among the figure shown in the dotted portion.In fact, when elastic extension arm 211 tail ends 213 of this first terminal 2 and the abutting part 312 of second terminal, 3 contact arms 311 are connected to a time-out mutually, its position is then shown in solid line part among the figure.At this moment, suitable strain has taken place owing to against each other in elastic extension arm 211 and elastic contact arm 311, and the position when departing from its free state, and because the setting of spring 5 and the elastic-restoring force that is provided thereof make contact-making surface 215 places between the two be subjected to an elastic pressure.Under this state, by the tight contact of 2,3 of two-terminals, the system telecommunication of making can and transfer to the set corresponding receiving system of internal system from the first terminal 2 importing second terminals 3.

As shown in Figure 5, when plug 6 inserts, its inverted cone shape end at first touches the contact site 212 of the first terminal 2 elastic extension arms 211, along with plug 6 is deeply oppressed contact site 212 gradually, make elastic extension arm 211 whole generation strains and be pressed towards the direction that departs from spliced eye 16 center lines, and further cause the compression of spring 5.At this moment, because the tail end 213 of elastic extension arm 211 also moves towards the direction of leaving spliced eye 16 center lines, under the elastic-restoring force effect with respect to former free state the time, the abutting part 312 of the elastic contact arm 311 of second terminal 3 will be close to contact-making surface 215 and tend to the position slip of its free state, and finally separate disconnection (during the former free state of Dang Daqi with this tail end 213, elastic contact arm 311 promptly stops the slippage action, shows as Fig. 6).Under this state, system's telecommunication can and export to the electronic system reception device external from the first terminal 2 importing plugs 6.

Simultaneously, in this process, because the slide relative between the tail end 213 of the first terminal 2 and the abutting part 312 of second terminal 3, abutting part 312 can produce a scraping effect at contact-making surface 215 places, thereby the dust impurity on the contact-making surface 215 is wiped, effectively kept the cleaning of this contact-making surface 215 and contact good.And, when plug 6 is extracted, the pressure that acts on the first terminal 2 elastic extension arms 211 disappears, elastic extension arm 211 tends to the position of its free state and moves under spring 5 and the elastic-restoring force effect of itself, the abutting part 312 that its tail end 213 drives second terminal 3 simultaneously moves, and the two slide relative also can produce a scraping effect and impurity is wiped.

In addition, Fig. 7 and shown in Figure 8 be the schematic diagram of another embodiment of the present invention, for guaranteeing that further inserting back the first terminal 2 at plug 6 separates disconnection with second terminal 3, can a stops 17 be set in the side appropriate position of close second terminal, 3 elastic contact arms 311 of spliced eye 16 rear end side, when the first terminal 2 and second terminal 3 being relatively moved when plug 6 insertions, the elastic contact arm 311 of second terminal 3 moves and promptly meets stops 17 behind the segment distance and support and end on this stops, can't continue towards the position of its free state to reply; The elastic extension arm 211 of opposite the first terminal 2 is owing to the compressing of plug 6 continues to move, and can guarantee that it separates disconnection (shown in Figure 8) with elastic contact arm 311.

Claims

1. socket connector, it is fixed in circuit board and can inserts in it with the transmission telecommunication for complementary plug, it includes insulating body and plurality of conductive terminals, wherein insulating body is provided with at least one spliced eye for corresponding plug insertion, and the conducting terminal that is located in this spliced eye comprises at least: have towards the spliced eye center line and extend the first terminal of projection with the elastic extension arm that contacts with plug, reach with this first terminal pairing and be provided with to form second terminal of a switch effect, and second terminal is provided with the elastic contact arm that extends towards this elastic extension arm, it is characterized in that: this elastic contact arm and elastic extension arm be not when plug inserts, all has suitable strain and position when departing from its free state and closely connecting, when plug inserts, the elastic extension arm is compressed by it and moves towards the direction that departs from the spliced eye center line, this moment, elastic contact arm continued butt because of the elastic-restoring force effect of itself along the contact-making surface between two arms, and form a slide relative, and behind its former free state position of trend, finally separate with this elastic extension arm.

2. socket connector as claimed in claim 1, it is characterized in that: the first terminal has a base portion, the elastic extension arm is to go out from base portion one end bending extension, and it is formed with contact site near the spliced eye centerline, this contact site further bending extends tail end, the leg to weld mutually with circuit board outside the base portion other end then is extended with the bottom surface that passes insulating body.

3. socket connector as claimed in claim 2, it is characterized in that: second terminal is provided with base portion, elastic contact arm is formed by the base portion punching out, this elastic contact arm tail end towards the first terminal after multidirectional suitable bending extends, and be formed with the abutting part that continues to contact with the tail end of aforementioned the first terminal in its extending end, then be extended with leg at the other end of base portion.

4. as claim 1 or 3 described socket connectors, it is characterized in that: between the bottom of the elastic extension arm of the first terminal and insulating body, be provided with spring.

5. socket connector as claimed in claim 1 is characterized in that: be provided with in order to stop this elastic contact arm to return back to the stops of the position of its free state near the elastic contact arm place in the spliced eye.