CN208045764U - Electric connector - Google Patents

Abstract

The utility model discloses a kind of electric connectors comprising an insulating body, the slot with the recessed formation in longitudinal direction downwards of self-insulating ontology and two side walls positioned at slot both sides；An at least terminal is set at least one side wall, terminal has a base portion, the junction being downwardly extending from base portion is extended one first elastic arm by base portion only up to connect circuit board and position, the end of first elastic arm forms one first contact site and is revealed in slot, extended laterally from the first elastic arm to be formed one second elastic arm and the second elastic arm end formed one second contact site be revealed in slot, the first contact site and the second contact site are electrically conducted electronic card on same perpendicular.Reduce the facing area between the first elastic arm and the second elastic arm with this, at the same increase the first elastic arm and the second elastic arm in the horizontal direction at a distance from, to reduce cross-talk so that high frequency signal transmission is more excellent.

Description

Electric connector

Technical field

The utility model is related to a kind of electric connector, espespecially a kind of terminal uses the electric connector of two point contact.

Background technology

A kind of electric connector that industry is commonly used is for electrically connecting to an electronic card a to circuit board, the electrical connection utensil There are an insulating body and multiple conducting terminals, insulating body to be equipped with multiple containers and correspond to accommodating multiple conducting terminals, the conduction Terminal has a base portion, is downwardly extending a weld part to connect to circuit board from the base portion, prolongs upwards from the base portion It stretches to form two elastic arms, this two elastic arms are located at the opposite sides above base portion, and the end of each elastic arm is towards each The opposite direction bending of elastic arm extending direction extends to form a contact site and is for electrically connecting to an electronic card.

However, in the conductive terminal structure, the facing area between two elastic arms be wherein shorter elastic arm face compared with The product of length and width in the plane of long elastic arm, and two elastic arms are all to upwardly extend to be formed from base portion, therefore it is shorter The length of elastic arm increases, and to increase facing area, increases cross-talk, on the other hand, shorter in the conductive terminal structure Elastic arm is smaller at a distance from the horizontal direction with longer elastic arm, also increases cross-talk, has to transmission high-frequency signal larger It influences.

Therefore, it is necessary to a kind of electric connector of improvement be designed, to overcome the above problem.

Invention content

For background technology problem encountered, the utility model is by using shorter elastic arm from the arm of longer elastic arm Portion's bending extends to form, and reduces the facing area between two elastic arms with this, while increasing shorter elastic arm and longer bullet Property arm distance in the horizontal direction is, and it is an object of the present invention to provide a kind of high frequency more preferably electric connector.

To achieve the above object, the utility model uses following technological means：

A kind of electric connector, to be electrically conducted an electronic card to a circuit board, which is characterized in that including：

One insulating body has from a slot of the insulating body recessed formation in longitudinal direction downwards and positioned at the slot two Two side walls of side；

An at least terminal is set at least one side wall, and the terminal has a base portion, shape is extended downwardly from the base portion At a junction extend to connect the circuit board and only up one first elastic arm from the base portion, first elasticity The end of arm forms one first contact site and is revealed in the slot, extends laterally to form one second elasticity from first elastic arm The end of arm and second elastic arm forms one second contact site and is revealed in the slot, first contact site and described the Two contact sites are electrically conducted the electronic card on same perpendicular.

Further, first elastic arm is first folded upward to form a bending part from the base portion, from the bending part to Upper angled straight lines extend to form an arm.

Further, the point of intersection of second elastic arm from the arm and the bending part is first laterally extended, then upwards Bending extends to form.

Further, the end of second contact site is located at the lower section of first contact site and is located in the horizontal direction Between perpendicular where the contact point of the arm and first contact site.

Further, the junction have a vertical portion and a weld part, the vertical portion be located at the base portion with it is described Between weld part.

Further, multiple array of terminals are set to two side wall, and the bending extending direction of the weld part is identical And the bending extending direction of the longitudinally adjacent weld part is opposite.

Further, one of face setting weld part extends towards far from slot direction bending, Ling Yisuo It states weld part and is bent towards the slot direction and extended, the weld part of two terminals is to be arranged in parallel.

Further, the base portion is equipped with a trepanning, and first contact site is equipped with a through-hole, and second contact site exists On vertical direction between the trepanning and the through-hole.

Further, the closest approach apart from the slot is located in the side wall through-hole in the horizontal direction so that institute The slot will not be revealed in by stating through-hole.

Further, the base portion far from the slot side be equipped with an at least holding section to the insulating body Coordinate clamping.

Further, there is the base portion continuous material, the continuous material to be located at the base portion close to the side of the slot Lower section, the continuous material and the junction are relatively arranged on the both sides of the base portion.

Further, first contact site is above second contact site.

Compared with prior art, the utility model has the advantages that：

The utility model is extended to form by using second elastic arm from first elastic arm bending so that described The length of first elastic arm described in second elastic arm face shortens, and reduces first elastic arm and second elasticity with this Facing area between arm, at the same increase the first elastic arm and the second elastic arm in the horizontal direction at a distance from, to reduce Cross-talk so that high frequency signal transmission is more excellent.

【Description of the drawings】

Fig. 1 is the stereogram exploded view of the utility model electric connector；

Fig. 2 is the exploded front sectional view of Fig. 1；

Fig. 3 is exploded front sectional view when Fig. 1 is inserted into electronic card；

Fig. 4 is that the utility model electric connector is inverted schematic diagram；

Fig. 5 is the utility model electric connector three-dimensional cutaway view.

The drawing reference numeral explanation of specific implementation mode：

Electric connector 100	Electronic card 200	Circuit board 300
			Insulating body 1	Interface 11	Mounting surface 12
Slot 13	Bottom wall 131	Boss 1311
			Side wall 132	Terminal groove 1321	Protrusion 1322
Recessed portion 1323	Holding hole 14	Fixture block 141
			Mounting portion 15	Pivoted hole 151	Groove 152
Stopping surface 153	Terminal 2	Base portion 21
			Trepanning 211	First elastic arm 22	First contact site 221
Through-hole 2211	Bending part 222	Arm 223
			Second elastic arm 23	Second contact site 231	Holding section 24
Junction 25	Vertical portion 251	Weld part 252
			Continuous material 26	Earclip 3	Articulated section 31
Buckling parts 32	Iron foot 4

【Specific implementation mode】

For ease of being better understood from the purpose, structure, characteristics and efficacy of the utility model, in conjunction with attached drawing and specifically The utility model is described in further detail for embodiment.

As shown in Figures 1 to 5, it is the first embodiment of the utility model electric connector 100, the electrical connection of the utility model To be electrically conducted 200 to one circuit board 300 of an electronic card, the electric connector 100 includes an insulating body 1 and sets device 100 An earclip 3 is respectively provided with to the fixation electronic card in the both ends of multiple terminals 2 of the insulating body 1, the insulating body 1 200。

As shown in Figure 1 and Figure 5, it is defined as longitudinal direction, Y-axis is horizontal direction, and Z axis is upper and lower directions, from the insulation Ontology 1 has to dock an interface 11 of the electronic card 200 and for installing to a mounting surface of the circuit board 300 12, from one slot 13 of recessed formation of the interface 11 to accommodate the electronic card 200, the slot 13 prolongs along the longitudinal direction It stretches, the slot 13 has a bottom wall 131, and the both ends for being located at the bottom wall 131 are equipped with multiple boss 1311 so that the bottom wall 131 be in on-plane surface.There are the insulating body 1 two side walls 132 positioned at 13 both sides of the slot, each side wall 132 to set There are multiple terminal grooves 1321, the boss 1311 is between the two neighboring terminal groove 1321 and is connected to two side wall 132, the terminal groove 1321 run through the insulating body 1 from top to bottom and towards 13 side of the slot be also through setting, From the horizontal direction inner wall of the terminal groove 1321 protrusion 1322, the protrusion are formed towards 13 direction projection of the slot Longitudinal both sides inner wall depression of 1322 top towards the terminal groove 1321 forms a recessed portion 1323.

As shown in figure 4, in the both ends of the mounting surface 12 and the intermediate holding hole 14 that is equipped with to hold iron foot 4, both ends The region that the boundary of the holding hole 14 surrounds is in substantially along longitudinal direction " convex " shape, and the holding hole 14 is close to the mounting surface 12 The projection into the holding hole 14 of the side at both ends forms a fixture block 141 to the side phase interworking opposite with the fixture block 141 Co-clip holds the iron foot 4, is respectively provided with a mounting portion 15 positioned at the both ends of 1 longitudinal direction of the insulating body to install the ear Button 3, the mounting portion 15 run through setting in the up-down direction, and the both sides of the mounting portion 15 are equipped with a pivoted hole 151, in described The oblique upper of pivoted hole 151 is equipped with a groove 152, and a gear is equipped with close to the side of the electronic card 200 in the mounting portion 15 Only face 153 excessively rotates to earclip described in block 3 towards 13 direction of the slot.

As shown in Figures 2 and 3, multiple terminals 2 are correspondingly arranged in multiple terminal grooves 1321, each terminal 2 there is a base portion 21, the base portion 21 to have a trepanning 211, and the side and being folded upward at positioned at the top of the base portion 21 is prolonged It stretches to form one first elastic arm 22, one first contact site 221, first elasticity is formed from the end of first elastic arm 22 Arm 22 is first folded upward to form a bending part 222 from the base portion 21, is extended to form from 222 upward angled straight lines of the bending part One arm 223, first contact site 221 have a through-hole 2211, and the trepanning of first contact site 221 is in the horizontal direction Closest approach apart from the slot 13 is located in the side wall 132 so that the through-hole 2211 will not be revealed in the slot 13.

Second elastic arm 23 is first laterally extended from the arm 223 and the point of intersection of the bending part 222, then upwards Bending extends to form, and one second contact site 231 is formed from the end of second elastic arm 23, second contact site 231 End is located at the lower section of first contact site 221 and is located at the arm 223 and first contact site in the horizontal direction Between 221 abut the perpendicular where the abutment of the electronic card 200, from top to bottom, second contact site 231 is located at Between first contact site 221 and the base portion 21, first contact site 221 is with second contact site 231 same Perpendicular abuts the electronic card 200 to form two point contact and first contact site 221 is located at described second and contacts The top in portion 231, and first contact site 221 of the terminal 2 and second contact site, 231 place on the left of horizontal direction Same perpendicular be located at the base portion 21 close to the left side of the perpendicular where 13 side of the slot, the right side end Son 2 is then conversely, when so can prevent single contact from failing normally to contact, and another contact point can increase touch opportunity and avoid can not Normal the case where contacting.

It is equipped with multiple holding sections 24 from side of the base portion 21 far from the slot 13 to match with the protrusion 1322 It closes and holds the terminal 2 in the terminal groove 1321, the junction 25 being downwardly extending from the base portion 21 is connecting To the circuit board 300, and it is piercing welding that the junction 25, which is soldered to the welding manner of the circuit board 300, described to lead Socket part 25 extends to form a vertical portion 251 straight down from the base portion 21, and a weld part is bent to form from the vertical portion 251 252, the weld part 252 of the terminal 2 of horizontal direction face setting bending extending direction is identical and longitudinal direction phase The bending extending direction of the weld part 252 of the adjacent terminal 2 is on the contrary, one of horizontal direction face setting end The weld part 252 of son 2 extends towards far from the bending of 13 direction of the slot, 252 court of the weld part of another terminal 2 The bending of 13 direction of the slot extends, and the weld part 252 of two terminals 2 is to be arranged in parallel, and the base portion 21 exists A continuous material 26 is equipped with to binder band, the continuous material 26 and the junction close to the lower section of the side of the slot 13 25 are relatively arranged on the both sides of the lower section of the base portion 21.

As shown in Fig. 2, in being respectively provided with an earclip 3 in the mounting portion 15 to latch the electronic card 200, in the ear The both sides of button 3 are equipped with an articulated section 31 at end position and are installed on the pivoted hole 151 in the mounting portion 15 on the lower makes institute Stating articulated section 31 can rotate freely in the mounting portion 15, in the articulated section 31 oblique upper be equipped with a buckling parts 32 to Coordinate the groove 152 so that the earclip 3 is fixed on the mounting portion 15.

In conclusion the electric connector 100 of the utility model has following advantageous effect：

（1）Second elastic arm 23 is extended to form from first elastic arm 22 bending so that second elastic arm The length of first elastic arm 22 described in 23 faces shortens, and reduces first elastic arm 22 and second elastic arm 23 with this Between facing area, while increase shorter elastic arm and longer elastic arm in the horizontal direction at a distance from, to reduce Cross-talk so that high frequency signal transmission is more excellent.

（2）First contact site 221 is equipped with through-hole 2211, and the base portion 21 is equipped with trepanning 211, reduces the terminal 2 area so that impedance reaches standard, and the trepanning of the first contact site 221 is arranged in signals transmission, can be formed back High-frequency signal transmission quality is improved to reduce antenna effect in road.

（3）Second elastic arm 23 is extended to form from the bending of the arm 223, compared in background technology, shorter bullet Property arm is extended to form from base portion 21, and the length of the first elastic arm 22 described in 23 face of the second elastic arm shortens, so subtract The materials for having lacked second elastic arm 23, to reduce manufacturing cost.

（4）Second elastic arm 23 is extended to form from the bending of the arm 223, compared in background technology, shorter bullet Property arm extended to form from base portion 21, the tired smaller of the terminal 2, i.e. first elastic arm 22 and second elastic arm 23 Between linkage reaction, when the electronic card 200 is plugged, first elastic arm 22 and second elastic arm can occur 23 can more preferably reply the position before being deformed into plug-in card.

（5）First contact site 221 abuts the electronic card with second contact site 231 in same perpendicular 200 so that form two point contact, and when so can prevent single contact from failing normally to contact, another contact point can increase touch opportunity And the case where avoiding normally contacting.

Detailed description above is only the explanation of the preferred embodiment of the utility model, non-therefore limitation the utility model special Sharp range, so, all equivalence techniques with carried out by this creation specification and diagramatic content change, and are both contained in the utility model The scope of the claims in.

Claims (12)

1. a kind of electric connector, to be electrically conducted an electronic card to a circuit board, which is characterized in that including：

One insulating body has from a slot of the insulating body recessed formation in longitudinal direction downwards and positioned at the slot both sides Two side walls；

An at least terminal is set at least one side wall, and the terminal has a base portion, is downwardly extending from the base portion One junction to connect the circuit board and extend one first elastic arm only up from the base portion, first elastic arm End formed one first contact site be revealed in the slot, extended laterally from first elastic arm to be formed one second elastic arm and The end of second elastic arm forms one second contact site and is revealed in the slot, and first contact site connects with described second Contact portion is electrically conducted the electronic card on same perpendicular.

2. electric connector as described in claim 1, it is characterised in that：First elastic arm is first folded upward at from the base portion A bending part is formed, an arm is extended to form from the upward angled straight lines of the bending part.

3. electric connector as claimed in claim 2, it is characterised in that：Second elastic arm is from the arm and the bending The point of intersection in portion is first laterally extended, then is folded upward at and is extended to form.

4. electric connector as claimed in claim 2, it is characterised in that：The end of second contact site connects positioned at described first The lower section of contact portion and be located in the horizontal direction the perpendicular where the contact point of the arm and first contact site it Between.

5. electric connector as described in claim 1, it is characterised in that：The junction has a vertical portion and a weld part, The vertical portion is between the base portion and the weld part.

6. electric connector as claimed in claim 5, it is characterised in that：Multiple array of terminals are set to two side wall, The bending extending direction of the weld part is identical and the bending extending direction of the longitudinally adjacent weld part is opposite.

7. electric connector as claimed in claim 6, it is characterised in that：One of the face setting weld part is towards separate Slot direction bending extends, and another weld part is bent towards the slot direction to be extended, two terminals it is described Weld part is to be arranged in parallel.

8. electric connector as described in claim 1, it is characterised in that：The base portion is equipped with a trepanning, first contact site It is equipped with a through-hole, second contact site is in the vertical direction between the trepanning and the through-hole.

9. electric connector as claimed in claim 8, it is characterised in that：The through-hole is in the horizontal direction apart from the slot Closest approach is located in the side wall so that the through-hole will not be revealed in the slot.

10. electric connector as described in claim 1, it is characterised in that：The base portion is equipped in the side far from the slot An at least holding section to the insulating body coordinate clamping.

11. electric connector as described in claim 1, it is characterised in that：The base portion has a continuous material, the continuous material position In the base portion close to the lower section of the side of the slot, the continuous material is relatively arranged on the base portion with the junction Both sides.

12. electric connector as described in claim 1, it is characterised in that：First contact site is in second contact site Top.