CN2653729Y - Electric connector - Google Patents

Abstract

The utility model discloses an electric connector which is connected with a butting connector to provide signal output channel. The utility model comprises an insulating main body and a plurality of electric conduction, the side wall of the insulating main body is provided with acceptance channels that are applied to accept the electric conductive terminals, the acceptance channels are arranged at the two sides of the insulating main body. The electric terminal comprises a connecting part and a pair of butting part and extended part that are accepted in the acceptance channels at the two sides of the insulating main body and which extend outward from the connecting parts. The off side of the electric terminal extended part is provided with a groove. When butting the connector, the butting part of the electricity conduction terminal can be accepted in the groove. The utility model not only realizes multi point contact signal deliver quality, but ensures reliable match between the butting connectors.

Description

Electric connector

[technical field]

The utility model discloses a kind of electric connector, refer in particular to a kind of have the improvement terminal and with dock electric connector electric connection so that the electric connector of reliable signal transmission channel to be provided.

[background technology]

Along with the development of electronic applications technology, the integrated level of various electronic installations is more and more higher, and size is more and more littler.Like this, numerous printed circuit board (PCB) (printed circuit board) is widely used in the various electronic installations, then is electrically connected to each other by electric connector (Board-to-Board Electrical Connector) combination between these printed circuit board (PCB)s.Usually, this electric connector combination that is used between the printed circuit board (PCB) comprises a public connector (plug-type connector) and a female connectors (socket-type electric connector).One end of the conducting terminal of male and female connector is welded on respectively on the different printed circuit board (PCB)s, thereby the signal transmission pathway that provides between the printed circuit board (PCB) then electrically is provided when the male and female connector docks the other end each other.

In order to guarantee the reliability of signal transmission pathway between the printed circuit board (PCB), in the electric connector combination, often holding structure need be set, after the butt joint of male and female connector, this holding structure locks together the male and female connector.Existing holding structure mostly is the part on the insulating body of electric connector greatly, and such setting can make the size of electric connector increase, and is unfavorable for the miniaturization development trend of electronic installation.So the holding structure between electric connector combination is arranged on just becomes a kind of better choice scheme on the conducting terminal.

United States Patent (USP) the 5th, 931 discloses a kind of electric connector combination for No. 689, the conducting terminal of public connector is the U type in this connector combination, an end that wherein is the conducting terminal of U type is the docking section, and the conducting terminal of itself and female connectors electrically connects and forms signal transmission pathway, and the other end then is the holding section.Groove is offered in the insulating body outside of female connectors.When public connector docked with female connectors, the holding section of public connector upper terminal just was contained in the groove that female connectors offers, and guaranteed the reliability of male and female connector butt joint thus.Yet because the described groove that is used to provide the fixing effect is opened on the insulating body of female connectors, and the insulating body of plastic cement material is worn easily and groove size is changed, and then the fiting effect between influence and the described holding section.Signal transmission between the male and female connector correspondingly also can be affected.

So, be necessary the holding structure between the combination of above-mentioned electric connector improved and overcome the deficiencies in the prior art.

[summary of the invention]

The purpose of this utility model is to provide a kind of electric connector, and it has the conducting terminal structure of improvement, and guarantees and dock reliable electrically transmission channel between electric connector.

For achieving the above object, the utility model adopts following technical scheme: electric connector mainly comprises insulating body and several conducting terminals, wherein the sidewall of insulating body is provided with in order to accommodate the passage of accommodating of conducting terminal, this is accommodated passage and is arranged with in insulating body sidewall both sides, conducting terminal includes connecting portion and a pair ofly vertically stretches out and be contained in docking section, the extension within the passage of accommodating of insulating body sidewall both sides respectively from this connecting portion, and wherein the outer concave at the conducting terminal extension is provided with groove.

Compared with prior art, the groove of the utility model electric connector by offering in its conducting terminal extension outside, when docking with butt connector, the abutting part of the conducting terminal of butt connector is contained in this groove, when signal transmission pathway is provided, can guarantee again and butt connector between reliable fiting effect.

Further improvement as the utility model electric connector, the described passage of accommodating that is used for accommodating conducting terminal directly is arranged with sidewall surfaces in insulating body, be provided with several and interfere groove accommodating passage bottom, after conducting terminal directly is pressed into insulating body, interference part on its docking section cooperates with the above-mentioned interference groove, add extension outside groove and dock cooperating of terminal, thereby provide the chucking power of balance in the sidewall both sides of insulating body, the contact of multiple spot between terminal is provided again simultaneously, has reached this electric connector and dock between electric connector reliably, stable electrical transmission channel.

[description of drawings]

Fig. 1 is the stereogram of the utility model electric connector first embodiment.

Fig. 2 is the three-dimensional exploded view of electric connector shown in Figure 1.

Fig. 3 is the decomposing schematic representation of the utility model electric connector second embodiment.

Fig. 4 is the stereogram of the electric connector that docks with electric connector shown in Figure 1.

Fig. 5 is electric connector shown in Figure 1 and the cutaway view that docks the electric connector butt joint shown in Figure 4.

[embodiment]

See also shown in Figure 1ly, the utility model electric connector 1 is a socket-type connector, and it is used for group and is located on the printed circuit board (PCB) (not shown).This electric connector 1 can dock with the electric connector 2 (plug-type electric connector) that docks on being assembled in another printed circuit board (PCB), as shown in Figure 4, thereby forms signal transmission pathway between two printed circuit board (PCB)s.

See also illustrated in figures 1 and 2ly, electric connector 1 comprises that the insulating body 10 of plastic cement material and several vertically are housed in conducting terminal 12 on the insulating body 10 with same intervals.Described conducting terminal 12 is divided into two rows.Insulating body 10 slightly is rectangular configuration, and it comprises that substrate 14 and two pairs extend upward equal height and terminal interconnected sidewall 16,18 from substrate 14, and wherein sidewall 16 is positioned at longitudinally and sidewall 18 is positioned at horizontal direction.Sidewall 16,18 and substrate 14 enclose jointly and form receiving space 22.When docking electric connector 2 butt joint, the butt joint tongue 58 (being detailed later) that this receiving space 22 just can ccontaining butt joint electric connector 2.

The sidewall 16 of insulating body 10 has inner surface 16a, outer surface 16b and end face 16c.Inwardly be concaved with several terminal accommodating passages 24 at certain intervals respectively along above-mentioned inner surface 16a, outer surface 16b and end face 16c.The passage 24 of accommodating on sidewall 16 inner surface 16a is concaved with a pair of interference groove 28 (seeing for details shown in Figure 5), one of them interferes groove 28 to be positioned at adjacent in sidewall 16 inner surface 16a and the substrate 14, and another interferes 28 of grooves to be about in the centre of sidewall 16 inboards.

Conducting terminal 12 is made by punching presses such as conductive material such as metallic coppers, rough being " several " font, comprise connecting portion 30, extend downwards respectively from the terminal both sides of connecting portion 30 and docking section respect to one another 32, extension 34 and from the extension 34 terminal weld parts 36 that outwards stretch.Weld part 36 direction of extension are approximately parallel with connecting portion 30.Docking section 32 has protruded out a pair of interference part 38 near lower end inside (towards extension 34 directions).Extension 34 outsides middle part approximately then set to the concave fluted 42.It should be noted that to be terminal material belts through punching press shear makes in the setting of these interference parts 38 and groove 42, utilize innovation and creation essence of the present utility model and all should be encompassed among the claim the slight improvements that its number or concrete size are done.

During assembling, owing to accommodate passage 24 and be opened on sidewall 16 surfaces of insulating body 10, conducting terminal 12 can be by directly being pressed into corresponding accepting groove 24, and need be by the mode of common injection mo(u)lding (insert molding).After being pressed into, conducting terminal 12 is assembled in the mode that straddles and accommodates accordingly in the passage 24, and what docking section 32 was contained in sidewall 16 inner surface 16a accommodates passage 24, and the interference part 38 on it just is held within the corresponding interference groove 28.Connecting portion 30 is clamped in accommodating in the passage 24 on the sidewall 16 end face 16c.34 of extensions post accommodating passage 24 and are positioned at part on the sidewall 16 outer surface 16b.Weld part 36 is approximately concordant and protruding with substrate 14 bottom surfaces of insulating body 10, and it can be welded on the corresponding printed circuit board (PCB) by SMT (surface mounted technology) mode.

Because the conducting terminal 12 of the utility model electric connector 1 can directly be pressed into accommodating in the passage 24 of insulating body 10, its more traditional injection molding has improved production efficiency greatly, has reduced cost.Simultaneously, the interference part 38 on the docking section 32 of conducting terminal 12 is retained on the insulating body 10 corresponding the interference in the groove 28 reliably, thereby has guaranteed the fiting effect of 10 of conducting terminal 24 and insulating bodies.

Fig. 4 has provided the schematic diagram of the butt connector 2 that connects with the utility model electric connector 1.It comprises second insulating body 50 and accommodate with second insulating body 50 within two ranked second conducting terminal 52.Second insulating body 50 comprises substrate 54 and along the upwardly extending sidewall 56 of substrate 54 lateral margins.From sidewall 56 parallel convex the stretch out butt joint tongues 58 of substrate 54 inner surface centre with longitudinally.This butt joint tongue 58 is identical with sidewall 56 upwardly extending height and dock space 60 with the formation of on every side sidewall 56 each intervals.

Second conducting terminal 52 is down " mountain " font approximately, please join shown in Figure 5ly, and it has the base portion 62 of level, from base portion 62 upwardly extending a pair of docking section 64,66 and holding parts 68.Base portion 62 extends outward the weld part 70 of a level at the lateral margin of holding parts 68.It should be noted that 64,66 ends have protruded out an abutting part 74,78 relatively separately in the docking section of second conducting terminal.

Second conducting terminal 52 is gone in the insulating body 50 by the injection molding group, because this technology is known by the insider, no longer describes in detail herein.After the assembling, the docking section 64,66 of conducting terminal 52 is accommodated with insulating body 50 sidewalls 56 inboards respectively, is reached and dock accommodating accordingly in the passage (not label) on the tongue 58, and 74,78 of abutting parts are accommodated passage certainly and protruded out out and extend in the corresponding butt joint space 60.

When using the utility model electric connector 1, the weld part 36 of its conducting terminal 12 is welded on the circuit stitching (circuit) on the printed circuit board (PCB), similarly, second conducting terminal 52 of butt joint electric connector 2 is by the welding of the circuit stitching (circuit) on its weld part 70 and another printed circuit board (PCB).

Like this, when needing signal when transmission between two printed circuit board (PCB)s, only need with electric connector 1 with dock electric connector 2 and connect and get final product.During butt joint, please join shown in Figure 5, the sidewall 16 of electric connector 1,18 are housed in respectively among the butt joint space 60 of butt connector 2, correspondingly, the butt joint tongue 58 of butt connector 2 is contained in the receiving space 22 of electric connector 1, the abutting part 74 that protrudes out on the docking section 64 of second conducting terminal 52 is resisted against on the docking section 32 of conducting terminal 12, simultaneously, another docking section 66 terminal outstanding abutting parts 78 item relative with it just can be accommodated within the groove of offering with conducting terminal 12 extensions 34 outsides 42, thereby increased the withdrawal force of butt connector 2, make cooperate between electric connector 1 and the butt connector 2 more firm.On the other hand, contact owing between conducting terminal 12 and second conducting terminal 52, formed multiple spot, from and improved signal transmission quality between electric connector 1 and the butt connector 2.

The utility model electric connector 1 also can be done corresponding distortion, and does not break away from essence of the present utility model.Please join the schematic diagram of second embodiment of the utility model shown in the accompanying drawing 3.Electric connector 1 ' comprises insulating body 10 ' and several conducting terminals 12 ', insulating body 10 ' has substrate 14 ' and from substrate 14 ' the upwardly extending sidewall 16 ', offer on the two side 16 ' accommodate conducting terminal 12 ' accommodate passage 24 ', the passage 24 ' of accommodating that is positioned at sidewall 16 ' runs through substrate 14 '.Different is, conducting terminal 12 ' comprises connecting portion 30 ', make progress from connecting portion 30 ' terminal both sides vertical extent and docking section 32 ' respect to one another, extension 34 ' and the weld part 36 ' that outwards stretches from connecting portion 34 ' lateral margin level.Offer groove 42 ' in the extension 34 ' outside.Accordingly, during assembling, conducting terminal 12 ' is pressed into from the lower surface of substrate 14 ' and accommodates passage 24 ' accordingly.

Obviously, electric connector 1 ' docks situation with butt connector 2 and electric connector 1 is identical, the abutting part 74 that protrudes out on the docking section 64 of second conducting terminal 52 is resisted against on the docking section 32 ' of conducting terminal 12 ', simultaneously, another relative with it docking section 66 terminal 76 outstanding of abutting parts just can be accommodated within the groove of being offered with the conducting terminal 12 ' extension 34 ' outside 42 '.

Though described the utility model by embodiment, those of ordinary skills know, the utility model has many distortion and variation and does not break away from spirit of the present invention, the distortion that any foundation spirit of the present utility model, essence are done and change and all should be included among the following claim.

Claims (10)

1. electric connector, its can with dock electric connector and connect to form signal transmission pathway, mainly comprise insulating body and several conducting terminals, wherein the sidewall of insulating body is provided with in order to accommodate the passage of accommodating of conducting terminal, it is characterized in that: the described passage of accommodating is arranged with in insulating body sidewall both sides, conducting terminal includes connecting portion and a pair ofly vertically stretches out and be contained in docking section, the extension within the passage of accommodating of insulating body sidewall both sides respectively from this connecting portion, and wherein the extension outer concave is provided with groove.

2. electric connector as claimed in claim 1 is characterized in that: described conducting terminal docking section has protruded out an interference part at least towards the extension direction, accommodates the interference groove that the passage corresponding position is arranged with on this interference part and the insulating body and matches.

3. electric connector as claimed in claim 1, it is characterized in that: the sidewall of described insulating body have outer surface, with outer surface interior surface opposing and end face and bottom surface that outer surface, inner surface are connected, the described passage of accommodating is opened on sidewall outer surface, inner surface and the end face of insulating body.

4. electric connector as claimed in claim 3, it is characterized in that: described conducting terminal directly is contained in accommodating within the passage of insulating body in the mode that straddles, its connecting portion adheres on accommodating in the passage of end face, extension is housed in accommodating within the passage of sidewall outer surface, and the docking section then is contained in accommodating in the passage of side wall inner surfaces.

5. electric connector as claimed in claim 4 is characterized in that: described conducting terminal is provided with weld part, and this weld part is roughly protruding to concordant direction with insulating body sidewall bottom surface from the lower edge of extension.

6. electric connector as claimed in claim 1, it is characterized in that: the sidewall of described insulating body have outer surface, with outer surface interior surface opposing and end face and bottom surface that outer surface, inner surface are connected, the described passage of accommodating is opened on sidewall outer surface, inner surface and the bottom surface of insulating body.

7. electric connector as claimed in claim 6, it is characterized in that: described conducting terminal is pressed into from the bottom surface of sidewall and accommodates within the passage, its connecting portion adheres on accommodating in the passage of insulating body bottom surface, extension is housed in accommodating within the passage of sidewall outer surface, and the docking section then is contained in accommodating in the passage of side wall inner surfaces.

8. electric connector as claimed in claim 7 is characterized in that: described conducting terminal is provided with weld part, and this weld part is roughly protruding to concordant direction with insulating body sidewall bottom surface from the lateral margin of connecting portion.

9. electric connector combination, it comprises first connector and second connector, first connector comprises first insulating body and several first conducting terminals that are contained within first insulating body, second connector, second insulating body and several second conducting terminals that are contained within second insulating body, it is characterized in that: first conducting terminal includes first connecting portion and a pair ofly vertically stretches out and a pair of first docking section respect to one another from this first connecting portion, offer a groove at least one first docking section, second conducting terminal includes second connecting portion and a pair ofly vertically stretches out and a pair of second docking section respect to one another from this second connecting portion, protruded out abutting part at least one second docking section, this abutting part is contained in the groove of first docking section of above-mentioned first conducting terminal.

10. electric connector combination as claimed in claim 9, it is characterized in that: described first connector is a socket-type connector, described second connector is the plug-type connector.

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