CN201708297U

CN201708297U - Electric connector

Info

Publication number: CN201708297U
Application number: CN2010201750680U
Authority: CN
Inventors: 陈铭佑
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: 2010-04-29
Filing date: 2010-04-29
Publication date: 2011-01-12
Anticipated expiration: 2020-04-29

Abstract

The utility model relates to an electric connector, which can electrically connect a chip module and a printed circuit board, and comprises: an insulating body provided with a plurality of terminal receiving holes and a plurality of conductive terminals. Each conductive terminal includes a first conductive terminal and a second conductive terminal that cooperates with the first conductive terminal and can move up and down relative to the first conductive terminal. The inner wall of the terminal receiving hole of the insulating body is provided with a grounded metal layer. The conductive terminal includes a pair of guide arms, and the guide arm includes an abutting portion that protrudes outward and is always in contact with the metal layer on the inner wall of the terminal receiving hole, so that the conductive terminal can stably ground the chip module.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector, refers to a kind of electric connector that electrically connects between circuit board and the chip module of reaching especially.

[background technology]

Electric connector is widely used in the various electronic equipments, is used for the electronic component two separation, as providing the path that electrically conducts between chip module and the printed circuit board (PCB).

Such as No. the 7025602nd, United States Patent (USP) announcement, conducting terminal comprises conducting terminal, conducting terminal, elastic component and body down.Last conducting terminal comprises the head that is positioned at the upper end, the upper terminal arm that extends downwards to the horizontally extending upper limit in both sides portion, from upper limit portion in the end of head and a pair of upper clamping hook that is positioned at upper terminal arm end; Following conducting terminal comprises the afterbody that is positioned at the lower end, in the top of afterbody to the horizontally extending lower limit in both sides portion, from the upwardly extending lower terminal arm of lower limit portion and be positioned at a pair of trip down of lower terminal arm end; Elastic component be immobilizated in conducting terminal upper limit portion the below and down between the top of the lower limit portion of conducting terminal, so that upper and lower conducting terminal elastic force of motion vertically in body to be provided; Body is formed by the copper alloy manufacturing, surface gold-plating, it is provided with some terminal accommodation holes of accommodating conducting terminal, the two ends up and down of terminal accommodation holes are provided with the less closing in portion of being convenient to the fixing conducting terminal of width, the afterbody of bottom was positioned at closing in portion under the head of conducting terminal upper end reached, and the part between upper limit portion and the lower limit portion reaches between the end face at the bottom surface of closing in portion.

When above-mentioned conducting terminal is used to transmit the ground signalling of chip module, can't realize the quick transmission of signal because the path is long, and the manufacturing cost of body is higher.

Therefore, necessary existing electric connector is improved to overcome the aforementioned disadvantages of prior art.

[utility model content]

But the purpose of this utility model is to provide a kind of electric connector with conducting terminal of stable transfer ground signalling.

The purpose of this utility model is achieved through the following technical solutions: a kind of electric connector, can electrically connect chip module and printed circuit board (PCB), it comprises: be provided with the insulating body, first conducting terminal of plurality of terminals accepting hole and second conducting terminal that cooperatively interacts also and can relative first conducting terminal to move up and down with first conducting terminal, the terminal accommodation holes inwall of insulating body is provided with metal level, described first conducting terminal comprises a pair of guid arm, and described guid arm comprises and protrudes out the contact part that contacts with the terminal accommodation holes inwall all the time laterally.

Compared to prior art, the utility model electric connector has following beneficial effect: a pair of guid arm of first conducting terminal of the utility model electric connector contacts the ground connection that makes chip module stable with the ground metal layer of terminal accommodation holes inwall all the time.

[description of drawings]

Fig. 1 is the assembly drawing of the conducting terminal of the utility model electric connector.

Fig. 2 is the front view of the conducting terminal of the utility model electric connector.

Fig. 3 is the part exploded view of the conducting terminal of the utility model electric connector.

Fig. 4 is the conducting terminal three-dimensional exploded view of the utility model electric connector.

Fig. 5 is the schematic diagram that the utility model electric connector cooperates with chip module and printed circuit board (PCB).

[embodiment]

See also Fig. 1 to shown in Figure 5, the utility model is a kind of electric connector that electrically connects chip module 5 and printed circuit board (PCB) 6, and described electric connector comprises insulating body 7 and is contained in conducting terminal 1 in the insulating body 7.This conducting terminal 1 comprises first conducting terminal 2, second conducting terminal 3 that cooperatively interacts with orthogonal manner with first conducting terminal 2 and the elastic component 4 that places two conducting terminals, 2,3 peripheries.

Please specifically consult shown in Figure 4ly, the bottom of first conducting terminal 2 is provided with the afterbody 21 that protrudes out downwards, can connect with printed circuit board (PCB) 6.Aforementioned afterbody 21 tops are provided with a pair of limiting section 22 perpendicular to afterbody 21 to the both sides horizontal-extending, in order to limit elastic component 4.Extend upward two

guid arms

23,24 respectively from the both sides of described limiting section 22, each

guid arm

23,24 comprises that the male part 234 that is bent to form laterally from the end of the vertical portion 231 that the last end face of limiting section 22 extends to form straight up, vertical portion 231 reaches the contact site 235 that bends inwards and form in the end of male part 234.The inboard that male part 234 links to each other with vertical portion 231 is provided with the protuberance 233 that subtend protrudes out, and male part 234 is provided with contact part 236 with the outside, contact site 235 junctions.Two

guid arms

23,24 are parallel to each other substantially and are and are symmetrical arranged.

Second conducting terminal 3 comprises: roughly be the base portion 30 of platy structure, be provided with the junction 31 that the middle part caves inward in base portion 30 tops, fixed part 32 that the relative both side edges in base portion 30 middle parts outwards protrudes out, the auxiliary section 34 that is provided with the groove 33 that caves inward and is positioned at groove 33 belows and outwards protrudes out around the bottom of base portion 30.Wherein, fixed part 32 and auxiliary section 34 are arranged at intervals at base portion 30 both sides, the common guide channel 35 that forms, described guide channel 35 both can guide two

guid arms

23,24 of first conducting terminal 2 to slide up and down, the cross spacing effect of first conducting terminal 2 can be provided again, lateral shift takes place when preventing that first conducting terminal 2 from sliding up and down, and can realize the stable electric connection of conducting terminal 1.

Elastic component 4 is a spring, and its two ends are resisted against the bottom surface of the fixed part 32 of the last end face of limiting section 22 of first conducting terminal 2 and second conducting terminal 3 respectively.Described elastic component 4 is compressed the back and compression takes place and drives second conducting terminal 3 and move upward.

Please specifically consult shown in Figure 5, insulating body 7 is provided with some terminal accommodation holes 70 that are used to accommodate conducting terminal 1, terminal accommodation holes 70 comprises the closing in portion 71 that is positioned at the top and is positioned at closing in portion 71 lower ends and to the resettlement section 72 of two lateral bucklings, the width of closing in portion 71 is less than the width of resettlement section 72.Insulating body 7 is coated with metal level 73 at its lateral border and terminal accommodation holes 70 inboards after by the plastic material moulding, and this metal level 73 has the effect of ground connection.The bottom surface of insulating body 7 is assembled with insulation board 8, this insulation board 8 is made by plastic material, can effectively prevent the generation of short circuit phenomenon, insulation board 8 is provided with and the corresponding terminal hole 80 in terminal accommodation holes 70 positions, and the width of terminal hole 80 is less than the width of resettlement section 72.

Please extremely shown in Figure 4 in conjunction with Fig. 1, during assembling, earlier elastic component 4 is sheathed on the lateral border of two

guid arms

23,24 of first conducting terminal 2, then second conducting terminal, 3 orthogonal thereto modes are assembled into the inboard of two

guid arms

23,24 of first conducting terminal 2, the fixed part 32 of second conducting terminal 3 be positioned at first conducting terminal 2 two

guid arms

23,24 protuberance 233 the top and can be in the motion of the top of protuberance 233, can move between protuberance 233 and limiting section 22 in the auxiliary section 34 of second conducting terminal 3.Two

guid arms

23,24 of first conducting terminal 2 can slide up and down along the guide channel 35 of second conducting terminal 3, and aforementioned elastic parts 4 is restricted between the periphery of fixed part 32 of the limiting section 22 of first conducting terminal 2 and second conducting terminal 3.Conducting terminal 1 assembling finish after, with conducting terminal 1 from down and on the terminal accommodation holes that is assembled in insulating body 7 70 in, the contact site 235 of two

guid arms

23,24 of first conducting terminal 2 protrudes the upper surface of insulating body 7, the contact part 236 of two

guid arms

23,24 all the time with the closing in portion 71 of terminal accommodation holes 70 in metal level 73 keep in touch, conducting terminal 1 other parts are positioned at accepting hole 70.Insulation board 8 is assembled in the below of insulating body 7, and the limiting section 22 of first conducting terminal 2 is positioned at the top of terminal hole 80 and plays position-limiting action, thereby can be with conducting terminal 1 stable being immobilizated between insulating body 7 and the insulation board 8.When chip module 5 is placed on this electric connector, second conducting terminal 3 of conducting terminal 1 contacts and is pressed with the tin ball 50 of chip module 5 and moves downward, elastic component 4 stressed being compressed, first conducting terminal 2 is in relative static conditions, two guid arms 23 of first conducting

terminal

2,24 head contacts with tin ball 50 subsequently, two

guid arms

23,24 contact part 236 all the time with closing in portion 71 in metal level 73 keep in touch, the middle part protuberance 233 of first conducting terminal 2 keeps electrically conducting with second conducting terminal 3, its afterbody 21 contacts with printed circuit board (PCB) 6, first conducting terminal 2 is from last, in, following 3 keep contact synchronously, form stable earth-continuity, make the conducting that the ground signalling of chip module 5 can be good, but and then make the electric connector transmitting high-frequency signal.

Claims

1. An electrical connector, capable of electrically connecting a chip module and a printed circuit board, comprising: an insulating body provided with a plurality of terminal receiving holes, a first conductive terminal, and a first conductive terminal that cooperates with the first conductive terminal and can conduct electricity relative to the first The second conductive terminal for the terminal to move up and down is characterized in that: the inner wall of the terminal receiving hole of the insulating body is provided with a metal layer, the first conductive terminal includes a pair of guide arms, and the guide arms include a pair of guide arms that protrude outward. The interference part that is always in contact with the metal layer on the inner wall of the terminal receiving hole.

2. The electrical connector according to claim 1, wherein the two guiding arms are parallel to each other and arranged symmetrically, each guiding arm includes a vertical portion, and the end of the vertical portion bends outward The convex portion formed by folding and the contact portion formed by bending inward at the end of the convex portion, the conflicting portion is located between the convex portion and the contact portion.

3. The electrical connector according to claim 2, characterized in that: it also includes an insulating plate, the terminal receiving hole of the insulating body includes a closing part and a receiving part located at the lower end of the closing part, and the width of the closing part is smaller than that of the receiving part width, the insulating plate is assembled on the lower bottom surface of the insulating body, and the insulating plate is provided with a terminal hole corresponding to the terminal receiving hole.

4. The electrical connector according to claim 3, characterized in that: the bottom of the first conductive terminal is provided with a tail, which can be connected to the printed circuit board, and a pair of limit parts are extended from the top of the tail, and the guide The lead arms are formed by extending upwards on both sides of the limiting portion respectively, and the limiting portion is located above the terminal hole of the insulating plate so as to limit the first conductive terminal.

5. The electrical connector according to claim 4, wherein the chip module is provided with solder balls, the contact parts of the two guide arms of the first conductive terminal are in contact with the solder balls, and the two guide arms The interfering part always keeps in contact with the metal layer in the closing part.

6. The electrical connector according to claim 5, wherein the second conductive terminal comprises a base, a conducting portion provided on the top of the base, a fixing portion protruding from both sides of the base, and a connecting portion on the base. Fitting part set at the bottom.

7. The electrical connector according to claim 6, wherein the fixing part and the mating part are arranged at two ends of the base at intervals, and a guide groove is formed in the middle part, and the guide groove can guide the two ends of the first conductive terminal. The guide arm slides up and down.

8. The electrical connector according to claim 7, further comprising an elastic member, the two ends of the elastic member respectively abut against the upper top surface of the limiting portion of the first conductive terminal and the second conductive terminal The lower bottom surface of the fixed part.

9. The electrical connector according to claim 8, wherein the elastic member is sheathed on the outer edges of the two guide arms of the first conductive terminal, and the second conductive terminal is assembled into the two guide arms of the first conductive terminal. On the inner side of the guide arm, the fixing part of the second conductive terminal is located above the protruding parts of the two guiding arms of the first conductive terminal, and the matching part of the second conductive terminal is located below the protruding part.

10. An electrical connector, capable of electrically connecting a chip module and a printed circuit board, comprising: an insulating body provided with a plurality of terminal receiving holes and a plurality of conductive terminals, each conductive terminal comprising a first conductive terminal, and a first conductive terminal The second conductive terminal and the elastic member in which the terminals cooperate with each other are characterized in that the first conductive terminal includes a tail, a limiting portion extending from the top of the tail, and two guiding arms extending upward from the limiting portion, and the second The conductive terminal includes a base disposed between the two guide arms of the first conductive terminal and a fixing portion protruding outward from both side edges of the middle part of the base. The lower bottom surface of the position part and the fixing part of the second conductive terminal, the ends of the two guiding arms of the first conductive terminal are provided with a contact part for contacting with the chip module, and the tail part is used for contacting with the printed circuit board.