CN208045752U - Electric connector - Google Patents

Abstract

A kind of electric connector is for electrically connecting to chip module to circuit board comprising insulating body and conducting terminal；The insulating body has upper surface and lower surface；The conducting terminal includes the first main part, second main part, the elastic portion that bending extends from first main body upper end, the weld part extended from second main part lower end, the side of first main part is connected to shape between second main part and first main part and the second main part and has angle, the elastic portion includes tilting the flat part of extension upwards from the first main part, the contact site for being folded upward at the tapered portion of extension from the flat part and further extending from the tapered portion, the width of the flat part is of same size with first main part, when the chip module is assembled to the electric connector, the flat part is parallel with the upper surface of the insulating body, thereby reduce the impedance of entire electric connector.

Description

Electric connector

【Technical field】

The utility model is in relation to a kind of electric connector more particularly to a kind of electric connector for chip module connection.

【Background technology】

With flourishing for the concepts such as big data, cloud computing, Internet of Things, almost each new product is in what is said or talked about high-speed transfer Using each application module develops towards high speed direction, to realize above-mentioned high-speed transfer application, for connecting each mould Input/output interface between block also needs high-speed transfer certainly, and as the central processing of the cores such as computer, server Device then develops towards higher speed, the more directions of pin, thus, for for connecting the electricity between central processing unit and motherboard Connector also proposed increasingly higher demands.In practical high-frequency test, the upper end of electric connector terminal is equipped with contact site bullet Property abut the conductive spacer of central processing unit, lower end is soldered to circuit board equipped with weld part, which is generally connected with inclination Elasticity of extension arm ensures the reliable contacts between contact site and central processing unit to provide flexible mechanical property.However due to end Son is large number of, very high to mechanical property requirements, needs to reduce to the greatest extent again while ensureing the mechanical performance of terminal Terminal characteristic impedance, how to control conducting terminal especially its elastic arm near zone characteristic impedance always become it is more difficult It solves the problems, such as.

Therefore, it is necessory to provide a kind of performance more preferably electric connector, to be further improved the above problem.

【Utility model content】

The purpose of this utility model is to provide a kind of impedance matching more preferably electric connectors.

To achieve the above object, the utility model adopts the following technical solution：A kind of electric connector, is for electrically connecting to core Piece module is to circuit board comprising insulating body with several terminal grooves and the conducting terminal being housed in the terminal groove； There is the insulating body upper surface and lower surface, the terminal groove to run through the upper and lower surface；The conducting terminal includes the One main part, the second main part bend the elastic portion extended from first main body upper end, under second main part The weld part extended, first, second main part is held to be fixed in terminal groove, the side of first main part is connected to institute It states shape between the second main part and first main part and the second main part to have angle, the elastic portion includes from the first master Body portion tilts the flat part of extension upwards, the tapered portion of extension is folded upward at from the flat part and further from the tapered portion The contact site of extension, the width of the flat part is of same size with first main part, when the chip module is assembled to When the electric connector, the flat part is parallel with the insulating body upper surface.

Further, the tapered portion tilts extension upwards from the flat part, and the tapered portion includes close to described flat The first extension at plate portion and the second extension for being connected to the contact site, the width of first extension with it is described flat Plate portion it is of same size, second extension is tapered from first extension.

Further, when the chip module is installed to the electric connector, the flat part and the second main part phase Vertically, the chip module and the flat part and the insulating body upper surface are parallel.

Further, when the chip module is installed to the electric connector, the chip module and the flat part Vertical distance be less than 0.12mm.

Further, the conducting terminal is in a row fixed in the insulating body, wherein all odd row terminals are parallel Setting, all even rows terminals are arranged in parallel, and dislocation is intersected between each odd row terminal and each even rows terminal and is set It sets.

Further, the conducting terminal is set there are one slit, and the slit is located at the flat part and the first main part Bending intersection.

Further, the slit is in intermediate narrow, the wide structure setting in both ends.

Further, it is connected by an interconnecting piece between first main part and the second main part, the interconnecting piece leans on The nearly weld part, the side of first main part and the second main part far from the interconnecting piece be equipped with can be retained to it is described The holding parts of insulating body, the insulating body are equipped with the holding slot with holding parts fixing cooperation.

Further, one end of first main part is located at the lower section of the interconnecting piece lower end, second main part One end be equipped be located at the interconnecting piece below and spaced first branch and the second branch, first branch be connected to The weld part.

Further, a slit is formed between first branch and second branch, second branch is shorter than institute State the first branch.

Compared with prior art, the utility model at least has the advantages that：The chip module is assembled to described When electric connector, the flat part of the conducting terminal is parallel with the upper surface of the insulating body, can both make the core The power that compresses of chip module when piece module is suppressed downwards becomes more balanced, it is also possible that the hand of each terminal Arm and insulating body distance having the same, so that the horizontal spacing between terminals of adjacent becomes smaller, so that entirely The impedance of electric connector becomes smaller, to promote the high-frequency transmission performance of the electric connector.

【Description of the drawings】

Fig. 1 is the stereogram of the utility model electric connector and chip module.

Fig. 2 is to decomposite the stereogram of insulating body and terminal after the good chip module of the utility model electric connector assembling.

Fig. 3 is the stereogram of another angle of insulating body and terminal shown in Fig. 2.

Fig. 4 is the side view of insulating body and terminal shown in Fig. 2.

Fig. 5 is the vertical view of insulating body and terminal shown in Fig. 2.

Fig. 6 is the decomposition diagram of Fig. 2.

Fig. 7 is the stereogram of another angles of Fig. 6.

Fig. 8 is the stereogram of terminal shown in Fig. 7.

Fig. 9 is the stereogram at another visual angle of terminal shown in Fig. 8.

Figure 10 is sectional view when electric connector shown in Fig. 1 is not loaded into chip module.

Figure 11 is the sectional view after the good chip module of electric connector assembling shown in Fig. 1.

【Main element symbol description】

100 chip module 200 of electric connector

300 reinforced sheet 101 of circuit board

102 rocking bar 103 of pressing plate

1 upper surface 11 of insulating body

12 terminal groove 13 of lower surface

First holding slot, 14 second holding slot 15

2 first main part 21 of conducting terminal

First holding parts, 211 elastic portion 22

221 tapered portion 222 of flat part

First extension, 2,221 second extension 2222

223 bending part 23 of contact site

Second main part, 24 first branch 241

Second branch, 242 second holding parts 243

25 interconnecting piece 26 of weld part

261 slit 27 of lower face

3 vertical distance L of tin ball

Following specific implementation mode will further illustrate the utility model in conjunction with above-mentioned attached drawing.

【Specific implementation mode】

Hereinafter, the specific implementation mode that the utility model electric connector 100 will be introduced in conjunction with Fig. 1 to Figure 11.Electric connector 100 for being electrically connected chip module 200 to circuit board 300, and the electric connector 100 includes have several terminal grooves 13 exhausted Edge ontology 1, several conducting terminals 2 being housed in the terminal groove 13 and the conducting terminal 2 is soldered to the circuit board 300 tin ball 3.The electric connector 100 further includes that frame is set to the reinforced sheet 101 of 1 periphery of insulating body, rotatable be assembled in adds The pressing plate 102 of the opposite sides of strong piece 101 and the rocking bar 103 that pressing plate 102 is fixed to reinforced sheet 101.

Referring to Fig. 2, and combining Fig. 8 and Fig. 9, the insulating body 1 that there is upper surface 11 and lower surface 12, the terminal Slot 13 runs through the upper and lower surface 11,12；The conducting terminal 2 includes the first main part 21, the second main part 24, described in The elastic portion 22 of first main body, 21 upper end bending extension, the weld part 25 extended from 24 lower end of the second main part, the One, the second main part 21,24 is fixed in terminal groove 13, and the side of first main part 21 is connected to second main part Shape has angle between 24 and first main part, 21 and second main part 24, most preferably 90 degree of the angle, and described first It is connected by an interconnecting piece 26 between main part 21 and the second main part 24, the interconnecting piece 26 is close to the weld part 25.Institute Conducting terminal 2 is stated in a row to be fixed in the insulating body 1, wherein all odd row terminals are arranged in parallel, all even rows ends Son is arranged in parallel, and intersects between each odd row terminal and each even rows terminal and shifts to install.

In conjunction with Fig. 8 and Fig. 9, it is connected by a bending part 23 between first main part 21 and the elastic portion 22, From first main part, simultaneously forward fold extends the bending part 23 upwards, and the elastic portion 22 includes from first main body Portion 21 tilt upwards the flat part 221 extended, be folded upward at from the flat part 221 extension tapered portion 222 and from it is described gradually The contact site 223 that contracting portion 222 further extends, the transverse direction of the transverse width of the flat part 221 and first main part 21 Of same size, the tapered portion 222 tilts upwards from the flat part 221 to be extended.The tapered portion 222 includes close to described flat The first extension 2221 at plate portion 221 and the second extension 2222 for being connected to the contact site 223, first extension 2221 width is of same size with the flat part 221, second extension 2222 from first extension 2221 gradually Contracting, so that the connection contact site 223 and the flat part 221 that the tapered portion 222 can be gentle so that described to lead The contact site 223 of electric terminal 2 is not easy, because frequently contacting with the chip module 200 and leading to the fracture, with this to retain It is enhanced while the elasticity of the contact site 223 of the conducting terminal 2 strong around the contact site 223 of the conducting terminal 2 Degree so that reach stable electric connection between the conducting terminal 2 and the chip module, effectively prevent conventional conductive end The contact site of son is single reduced upwards from the root or the same size and lead to conducting terminal and fracture or elasticity easily occur Inadequate rough sledding.

Please refer to Fig. 8 and Fig. 9, the conducting terminal 2 is set there are one slit 27, the slit 27 be located at the flat part and The bending intersection of first main part 21, the slit 27 are in intermediate narrow, the wide structure setting in both ends, and the slit 27 is from institute 21 upside of the first main part for stating conducting terminal 2 is recessed and penetrates through to the slit 27 at the elastic portion 22, and the slit 27 will The bending part 23 is divided into two and the elastic portion 22 and the first main part 21 is made to be respectively formed there are one recess (not labeled), By the setting of the slit 27, the impedance of entire electric connector 100 can also be reduced by adjusting the width of the slit, so that should The adjusting of slit 27 become freely with it is convenient, finally so that the adjusting of impedance of the electric connector 100 becomes convenient.Described One end of one main part 21 is located at the lower section of the lower face 261 of the interconnecting piece 26, and one end of second main part 24 is equipped with Lower section positioned at the lower face of the interconnecting piece 26 261 and 241 and second branch 242 of spaced first branch, described One branch 241 is connected to the weld part 25, and second branch 242 is shorter than first branch 241, first branch A slit (not labeled) is formed between 241 and second branch 242, the slit has a transverse width, the transverse width Numerical value be located between 0.1~0.25mm (millimeter), second branch 242 have a lower-upper length, the lower-upper length Numerical value is located between 0.25~0.4mm.First main part, 21 and second main part 24 is far from the interconnecting piece 26 Side is equipped with the holding parts that can be retained to the insulating body 1, and the holding parts include being located on first main part 21 The first holding parts 211 and the second holding parts 243 on second main part 24, the insulating body 1 be equipped with difference With the first holding slot 14 and the second holding slot 15 of the fixing cooperation of first holding parts, 211 and second holding parts 243.

Refering to Figure 1, when the chip module 200 is assembled to the electric connector 100, by the pressing plate 102 Compacting is fixed to the periphery of the chip module 200, then by the rocking bar 103 on the reinforced sheet 101, with this by the chip It realizes and is electrically connected between module 200 and the electric connector 100.At this point, the flat part 221 of the conducting terminal 2 with it is described The upper surface 11 of insulating body 1 is parallel, and the flat part 221 and the second main part 24 are perpendicular, the chip module 200 and institute The upper surface 11 for stating flat part 221 and the insulating body 1 is parallel, so that the chip module 200 and the tablet The vertical distance L in portion 221 is less than 0.12mm (millimeter), and impedance is smaller, through practical detecting, when vertical distance L is 0.103mm When, the overall impedance of the electric connector 100 is minimum.

Thereby, when the chip module 200 of the utility model is assembled to the electric connector 100, the conducting terminal 2 Flat part 221 it is parallel with the upper surface 11 of the insulating body 1, can both make the chip module 200 downwards suppress When the power that compresses of the entire terminal module become more balanced, it is also possible that the flat part of each conducting terminal 2 221 with 1 distance having the same of the insulating body so that the horizontal spacing between adjacent conductive terminal 2 becomes smaller, to make The impedance for obtaining entire electric connector 100 becomes smaller, to promote the high-frequency transmission performance of the electric connector 100.

The foregoing is merely some embodiments of the utility model, the embodiment being not all of, the common skill in this field Any equivalent variation that art personnel take technical solutions of the utility model by reading the utility model specification is The claim of the utility model is covered.

Claims (10)

1. a kind of electric connector is for electrically connecting to chip module to circuit board comprising the insulation sheet with several terminal grooves Body and the conducting terminal being housed in the terminal groove；There is the insulating body upper surface and lower surface, the terminal groove to pass through Wear the upper and lower surface；The conducting terminal includes the first main part, the second main part, from first main body upper end The weld part for bending the elastic portion extended, extending from second main part lower end, first, second main part are fixed on end In pilot trench, the side of first main part be connected to second main part and first main part and the second main part it Between shape have angle, it is characterised in that：The elastic portion includes tilting the flat part of extension upwards, described in from the first main part The contact site that flat part is folded upward at the tapered portion of extension and further extends from the tapered portion, the width of the flat part with First main part it is of same size, when the chip module is assembled to the electric connector, the flat part with it is described Insulating body upper surface is parallel.

2. electric connector as described in claim 1, it is characterised in that：The tapered portion tilts upwards from the flat part prolongs It stretches, the tapered portion includes the first extension at the flat part and is connected to the second extension of the contact site, The width of first extension is of same size with the flat part, second extension from first extension gradually Contracting.

3. electric connector as described in claim 1, it is characterised in that：When the chip module is installed to the electric connector When, the flat part and the second main part are perpendicular, the chip module and the flat part and the insulating body upper surface It is parallel.

4. electric connector as described in claim 1, it is characterised in that：When the chip module is installed to the electric connector When, the vertical distance of the chip module and the flat part is less than 0.12mm.

5. electric connector as described in claim 1, it is characterised in that：The conducting terminal is in a row fixed to the insulating body Interior, wherein all odd row terminals are arranged in parallel, all even rows terminals are arranged in parallel, each odd row terminal with it is each Intersect between even rows terminal and shifts to install.

6. electric connector as described in claim 1, it is characterised in that：The conducting terminal is set there are one slit, the slit Positioned at the bending intersection of the flat part and the first main part.

7. electric connector as claimed in claim 6, it is characterised in that：The slit is in intermediate narrow, the wide structure setting in both ends.

8. electric connector as described in claim 1, it is characterised in that：Pass through between first main part and the second main part One interconnecting piece is connected, and the interconnecting piece is close to the weld part, and first main part and the second main part are far from the connection The side in portion is equipped with the holding parts that can be retained to the insulating body, and the insulating body is equipped with matches with holding parts fixing The holding slot of conjunction.

9. electric connector as claimed in claim 8, it is characterised in that：One end of first main part is located at the interconnecting piece The lower section of lower end, one end of second main part, which is equipped with, to be located at below the interconnecting piece and spaced first branch and the Two branches, first branch are connected to the weld part.

10. electric connector as claimed in claim 9, it is characterised in that：Shape between first branch and second branch At a slit, second branch is shorter than first branch.