CN201725942U - Electric connector - Google Patents

Abstract

The utility model discloses an electric connector comprising an insulating unit, a plurality of first terminals, a plurality of second terminals, a plurality of third terminals and a metal shell sheathed outside the insulating unit, wherein the insulating unit comprises a base and a tongue board; the base is provided with a basal wall, an assembly groove running through the basal wall and used for being clamped with the tongue board, and a U-shaped reinforcing plate protruding and extending forwards from the basal wall and matched with the assembly groove so as to frame and support the rear section of the tongue board; each first terminal is provided with an elastic contact part exposed out of the top surface of the tongue board; each second terminal is provided with a second contact part exposed out of the top surface of the tongue board and closer to the front end of the tongue board than the elastic contact part of the first terminal; each third terminal is provided with a third contact part exposed out of the bottom surface of the tongue board; and the rear section of the third contact part is clamped between the bottom surface of the tongue board and the reinforcing plate. The electric connector strengthens the strength of the removable tongue board and the third contact part fixing the terminal so as to avoid deformation or buckling.

Description

Electric connector

Technical field

The utility model relates to a kind of electric connector, is meant that especially a kind of separate type hyoplastron is installed on the electric connector of insulating base with compound mode.

Background technology

In order to meet user demand multi-functional and that economize volume, can meet the composite electric connector of multiple signal transmission specification, become the trend of electric connector development.Especially the signal transmission specification is brought in constant renewal in, and in new and old transmission specification transition period, can meet the composite electric connector of new and old transmission specification simultaneously, can increase the convenience of use.

Signal transmission standard commonly used at present is USB2.0, USB3.0 (USB is the abbreviation of USB Universal Serial Bus) and ESATA (being the abbreviation of the advanced supplementary technology ExternalSerial of external series Advanced Technology Attachment), therefore develop and the composite socket electric connector that can supply USB2.0, USB3.0 and ESATA pin connector to peg graft respectively, for example the TaiWan, China utility model patent notification number M357748 number (Chinese patent application of correspondence numbers 200810173163.4; Corresponding U.S. Patent Publication No. US2009111330A1) disclosed person.The disclosed structure of M357748 patent comprises three types terminal, wherein first kind terminal is that ESATA bonder terminal, second types of terminals are that standard USB2.0 bonder terminal, the 3rd types of terminals cooperate the common USB3.0 of formation bonder terminal with second types of terminals, the 3rd types of terminals and hyoplastron are integrally formed to be embedded in the hyoplastron, first kind terminal is installed on the upper surface of hyoplastron, and second types of terminals is installed on the lower surface of hyoplastron.Consult its specification the 8th figure and relevant narration, the intersection of hyoplastron upper surface and rear wall is formed with thickened section, also run through thickened section and be located at the hyoplastron upper surface with the first terminal groove of ccontaining first kind terminal,, help fixed part fixing of terminal by increasing the intensity of thickened section.Yet, the hyoplastron of separate type assembling itself because of the thinner thickness structural strength a little less than, difficultly bear bigger contact engaging and separating force or torsional moment, or improper plug state, be easy to generate that hyoplastron becomes flexible, the situation of fracture etc.Thickened section just increases the thickness of hyoplastron, to strengthen fixing for the terminal fixed part, because thickened section is run through by a plurality of the first terminal grooves and cuts apart, and should not have contribution for the lifting of hyoplastron bulk strength, still has improved space so how to strengthen the intensity of separate type hyoplastron; And first kind terminal extends a long straight tabular contact site forward from fixed part, and the contact site of first kind terminal just merely is seated in the first terminal groove on hyoplastron surface, therefore can't locate and is easy to generate and is out of shape or warpage.

Summary of the invention

Therefore, a purpose of the present utility model is promptly providing a kind of electric connector that can strengthen separate type hyoplastron intensity.

Another purpose of the present utility model is providing a kind of electric connector that can strengthen the tabular contact site of fixed terminal.

So according to preferred embodiment of the present utility model, the utility model electric connector comprises an insulation unit, many first terminals, many second terminals, many 3rd terminals and a metal shell that is sheathed on outside the insulation unit.The insulation unit comprises a pedestal and a hyoplastron, pedestal have that a basal wall, front and back connect basal wall and for the assembling grove of hyoplastron engaging, and one cooperate assembling grove to protrude out with the frame cover forward and support the stiffener of hyoplastron back segment part by basal wall, hyoplastron has the bottom surface that an end face and is positioned at end face opposition side and adjacent stiffener.The first terminal is fixedly arranged on the insulation unit, and each the first terminal has an elastic contact part that is exposed to the hyoplastron end face.Second terminal is fixedly arranged on the insulation unit, and each second terminal has one and is exposed to the hyoplastron end face and than the elastic contact part of the first terminal second contact site near the hyoplastron front end.The 3rd terminal is fixedly arranged on the insulation unit, and each the 3rd terminal has the 3rd contact site that is exposed to the hyoplastron bottom surface.

According to preferred embodiment of the present utility model, described the 3rd contact site back segment partly is folded between this hyoplastron bottom surface and this stiffener.

According to preferred embodiment of the present utility model, this hyoplastron also has two fins that lay respectively at the left and right sides, and this stiffener is provided with the Liang Kagou that correspondence is accommodated this two fin.

According to preferred embodiment of the present utility model, this stiffener is the stiffener that takes the shape of the letter U, and this U-shaped is strengthened bottom surface and the both sides that sheet frame entangles this hyoplastron back segment part.

According to preferred embodiment of the present utility model, this hyoplastron also has a plurality of the 3rd terminal grooves of being located at this bottom surface and ccontaining respectively the 3rd contact site of difference; This stiffener is provided with a plurality of corresponding respectively respectively the 3rd terminal channels of the 3rd terminal groove.

According to preferred embodiment of the present utility model, this hyoplastron also has a plurality of at intervals by the first terminal groove of this end face toward lower recess, the rear end of described the first terminal groove is defined by a boss portion, respectively the elastic contact part of ccontaining respectively this first terminal of this first terminal groove difference; This pedestal also has a plurality of the first terminal passages of being located at this basal wall and corresponding described the first terminal groove, and respectively this first terminal passage has a yielding recess corresponding to this boss portion position.

According to preferred embodiment of the present utility model, the basal wall place that the back segment of this hyoplastron end face and this pedestal are positioned at this assembling grove also is provided with many draw-in groove and fixture blocks to cooperatively interacting.

According to preferred embodiment of the present utility model, described second terminal is embedded in this hyoplastron with injection molding in the mould, and also respectively has second junction that protrudes out this hyoplastron rear end and down extend.

According to preferred embodiment of the present utility model, this electric connector is installed on a circuit board with a breach, and this electric connector some is positioned under the plate by this breach; This pedestal also has two and is connected to, and two back booms that are connected to these basal wall both sides and extend with respect to each sidewall upper section backward, this two back booms bottom side is butted on this circuit board surface.

According to preferred embodiment of the present utility model, described the first terminal is the terminal group that is used to transmit the signal that meets USB2.0 signal transmission specification; It is the terminal group that is used to transmit the signal that meets USB3.0 signal transmission specification that described the first terminal cooperates described second terminal; Described the 3rd terminal is the terminal group that is used to transmit the signal that meets ESATA signal transmission specification.

According to preferred embodiment of the present utility model, respectively the 3rd terminal also has one and is extended backward and be fixed in the 3rd corresponding terminal groove and the 3rd fixed part in the 3rd terminal channel by the 3rd contact site, and one is the 3rd junction that inverted U-shaped bending is extended by the 3rd fixed part.

According to preferred embodiment of the present utility model, respectively this first terminal also has one and is extended backward and be fixed in first fixed part in this corresponding the first terminal passage by this elastic contact part, and first junction that is down extended by this first fixed part.

The utility model according to the useful technique effect of preferred embodiment is, frame is placed in the U-shaped stiffener of hyoplastron back segment by convexedly stretching in the basal wall front side, for hyoplastron provides support power, strengthen the support strength of separate type hyoplastron thus and strengthen its structural strength, to increase the stability of hyoplastron and basal wall integrated structure, and the 3rd the contact site back segment partly be folded between hyoplastron bottom surface and the stiffener, can suppress the 3rd contact site thus it is firmly located, prevent the 3rd contact site distortion or warpage.

Description of drawings

Fig. 1 is a stereogram, and first preferred embodiment and a circuit board of the utility model electric connector is described;

Fig. 2 is the exploded view of a Fig. 1;

Fig. 3 is a three-dimensional exploded view, and the structure of a pedestal and a hyoplastron of this first preferred embodiment is described;

Fig. 4 is another angular views of a Fig. 3;

Fig. 5 one is similar to another angular views of Fig. 1, and wherein a metal shell and circuit board are removed;

Fig. 6 is the front view of a Fig. 1;

Fig. 7 is a cutaway view of being got along VII-VII straight line among Fig. 6;

Fig. 8 is a cutaway view of being got along VIII-VIII straight line among Fig. 6;

Fig. 9 is the vertical view of a Fig. 5;

Figure 10 is a cutaway view of being got along X-X straight line among Fig. 9;

Figure 11 one is similar to the view of Fig. 3, and second preferred embodiment of the utility model electric connector is described;

Figure 12 is the constitutional diagram of a Figure 11;

Figure 13 one is similar to the view of Fig. 9; And

Figure 14 is a cutaway view of being got along IV-IV straight line among Figure 13.

Wherein, description of reference numerals is as follows:

1 ... electric connector

11 ... slot

2 ... pedestal

21 ... basal wall

22 ... assembling grove

23 ... stiffener

231 ... the 3rd terminal channel

232 ... Ka Gou

24 ... sidewall

25 ... back boom

26 ... fixture block

27 ... the first terminal passage

271 ... make a concession recess

3 ... hyoplastron

31 ... end face

32 ... the bottom surface

33 ... draw-in groove

34 ... the first terminal groove

35 ... boss portion

36 ... the 3rd terminal groove

37 ... fin

4 ... the first terminal

41 ... elastic contact part

42 ... first fixed part

43 ... first junction

5 ... second terminal

51 ... second contact site

52 ... second junction

53 ... second extension

6 ... the 3rd terminal

61 ... the 3rd contact site

62 ... the 3rd fixed part

63 ... the 3rd junction

7 ... metal shell

71 ... stator

72 ... alignment pin

8 ... the terminal position plate

81 ... perforation

82 ... perforation

9 ... circuit board

91 ... breach

Embodiment

About aforementioned and other technology contents, characteristics and effect of the present utility model, in the following detailed description that cooperates with reference to two graphic preferred embodiments, can clearly present.

Before the utility model is described in detail, be noted that in the following description content similar elements is to represent with identical numbering.

Consult Fig. 1 and Fig. 2, first preferred embodiment of the utility model electric connector is suitable for being installed in a circuit board 9 with a breach 91, and some is positioned under the plate electric connector 1 by breach 91.Electric connector 1 comprises an insulation unit, many first terminals 4, many second terminals 5, many 3rd terminals 6, a metal shell 7 and terminal position plates 8.

Consult Fig. 2 to Fig. 5, the insulation unit comprises a pedestal 2 and a hyoplastron 3.Pedestal 2 has a upright basal wall 21, front and back connect basal wall 21 also for the assembling grove 22 of hyoplastron 3 engagings, reaches one and cooperates assembling grove 22 to be protruded out the U-shaped stiffener 23 (Fig. 9 and Figure 10 are consulted in cooperation) that overlaps and support hyoplastron 3 back segments part with frame forward by basal wall 21.Pedestal 2 also have two respectively one be connected in, and two respectively one be connected in basal wall 21 both sides and be butted on circuit board 9 surfaces with respect to back boom 25, two back booms 25 bottom sides that each sidewall 24 upper section extends backward.Hyoplastron 3 has the bottom surface 32 that an end face 31 and is positioned at end face 31 opposition sides and adjacent stiffener 23.Basal wall 21 places that the back segment of hyoplastron 3 end faces 31 and pedestal 2 are positioned at assembling grove 22 also are provided with many draw-in groove 33 and fixture blocks 26 (Fig. 6 and Fig. 8 are consulted in cooperation) to cooperatively interacting, at present embodiment, draw-in groove 33 is positioned at hyoplastron 3, fixture block 26 is positioned at pedestal 2, but the position of draw-in groove 33 and fixture block 26 also can exchange.Hyoplastron 3 is sticked in the assembling grove 22, and engage mutually by draw-in groove 33 and fixture block 26, strengthen the adhesion of hyoplastron 3 and basal wall 21, and utilize stiffener 23 frames to be placed in the bottom surface 32 and the both sides of hyoplastron 3 back segments (part that connects basal wall 21 front sides), provide hyoplastron 3 support forces, strengthen the support strength of separate type hyoplastron 3 thus and strengthen its structural strength, to increase the stability of hyoplastron 3 and basal wall 21 integrated structures.

Consult Fig. 2, Fig. 3, Fig. 4, Fig. 6, Fig. 7, hyoplastron 3 also has a plurality of at intervals by the first terminal groove 34 of end face 31 toward lower recess, the rear end of described the first terminal groove 34 is defined by a boss portion 35, because it is that transverse integral connects and thicker bulk that boss portion 35 makes hyoplastron 3 back segments, the intensity of hyoplastron 3 is strengthened.Pedestal 2 also has a plurality of the first terminal passages 27 of being located at basal wall 21 and corresponding described the first terminal groove 34, and each the first terminal passage 27 has a yielding recess 271 corresponding to boss portion 35 positions.Hyoplastron 3 also has a plurality of the 3rd terminal grooves 36 of being located at bottom surface 32 and corresponding each the 3rd terminal 6 of difference, and stiffener 23 is provided with a plurality of corresponding respectively respectively the 3rd terminal channels 231 of the 3rd terminal groove 36.

Consult Fig. 1, Fig. 2, Fig. 6, Fig. 7, each the first terminal 4 is fixedly arranged on the insulation unit, has the elastic contact part 41, that correspondence is placed in each the first terminal groove 34 and is extended backward and be fixed in first fixed part 42 in the corresponding the first terminal passage 27, and first junction 43 that is down extended by first fixed part 42 by elastic contact part 41.Its assembling is to insert the first terminal passage 27 forward by pedestal 2 rear sides, yielding recess 271 by means of the first terminal passage 27, make the front end of elastic contact part 41 can cross the boss portion 35 of the first terminal groove 34 rear ends, finish assembling and enter the first terminal groove 34 easily.Consult Fig. 2, Fig. 6, Fig. 8, Fig. 9, Figure 10, each second terminal 5 is fixedly arranged on the insulation unit, mode with injection molding in the mould (insert-molding) is embedded in hyoplastron 3, have an elastic contact part 41 that is exposed to the end face 31 of hyoplastron 3 and more described the first terminal 4 and protrude out hyoplastron 3 rear ends and second junction 52 that down extends, and second extension 53 that connects second contact site 51 and second junction 52 near second contact site 51, of hyoplastron 3 front ends, described second extension 53 is embedded in the hyoplastron 3.Consult Fig. 2, Fig. 5, Fig. 7, Figure 10, each the 3rd terminal 6 is fixedly arranged on the insulation unit, have one be exposed to hyoplastron 3 bottom surfaces 32 and be positioned at the 3rd terminal groove 36 the 3rd contact site 61, one by the 3rd contact site 61 extend backward and be fixed in the 3rd terminal groove 36 and corresponding the 3rd terminal channel 231 the 3rd fixed part 62, reach one and be the 3rd junction 63 of inverted U-shaped bending extension by the 3rd fixed part 62.Described the 3rd contact site 61 is long plate shape, and back segment partly is folded between hyoplastron 3 bottom surfaces 32 and the stiffener 23, can suppress the 3rd contact site 61 thus it is firmly located, and prevents the 3rd contact site 61 distortion or warpages.In the present embodiment, described the first terminal 4 is for being used for the terminal group that transmission meets the signal of USB2.0 (USB is the abbreviation of USB Universal Serial Bus) signal transmission specification, and it is the terminal group that is used to transmit the signal that meets USB3.0 signal transmission specification that described the first terminal 4 cooperates described second terminal 5, and described the 3rd terminal 6 is for being used for the terminal group that transmission meets the signal of ESATA (being the abbreviation of the advanced supplementary technology External of external series Serial Advanced Technology Attachment) signal transmission specification.

Consult Fig. 1 and Fig. 2, metal shell 7 is sheathed on outside the insulation unit, defines a slot 11 jointly with pedestal 2, and has two stators 71 and two alignment pins 72 that are positioned at the left and right sides, in order to be fixed in circuit board 9.Consult Fig. 2, Fig. 7, Fig. 8, Fig. 9, terminal position plate 8 has two row's perforation 81,82, wears for first junction 43 of the first terminal 4 and second junction 52 of second terminal 5 respectively, with first junction 43 and second junction, 52 location.

At present embodiment, the overall package mode of electric connector 1, be to insert assembling grove 22 with the hyoplastron 3 of second terminal, 5 integrally moulded shapings by the rear side of pedestal 2 earlier to be fixed, this moment, second junction 52 of second terminal 5 did not bend as yet, after treating that the 3rd terminal 6 is inserted the 3rd terminal channel 231 and the 3rd terminal groove 36 by pedestal 2 rear sides, with 52 bendings of second junction, the first terminal 4 is installed thereafter again again, the aforementioned mounting means that the first terminal 4 has been described no longer repeats in this.Then metal shell 7 is sheathed on the pedestal 2 by pedestal 2 front sides backward, and terminal position plate 8 and pedestal 2 are fixed.As shown in Figure 1, the electric connector 1 finished of assembling is installed on circuit board 9, forms part and is positioned on the plate and part is positioned at depositing plate type formula under the plate.

Consult Figure 11 to Figure 14, second preferred embodiment and first preferred embodiment of the utility model electric connector are roughly the same, but, hyoplastron 3 also has two fins 37 that lay respectively at the left and right sides, and stiffener 23 is provided with the two card ditches 232 that correspondence is accommodated two fins 37, engage mutually with card ditch 232 by fin 37, can strengthen fixedly hyoplastron 3, more strengthen the support strength of separate type hyoplastron 3 thus and strengthen its structural strength.

In sum, frame is placed in the bottom surface 32 of hyoplastron 3 back segments (part that connects basal wall 21 front sides) and the U-shaped stiffener 23 of both sides to the utility model electric connector 1 by convexedly stretching in basal wall 21 front sides, for hyoplastron 3 provides support power, strengthen the support strength of separate type hyoplastron 3 thus and strengthen its structural strength, to increase the stability of hyoplastron 3 and basal wall 21 integrated structures, and the 3rd contact site 61 back segments partly are folded between hyoplastron 3 bottom surfaces 32 and the stiffener 23, can suppress the 3rd contact site 61 thus firmly locatees it, prevent the 3rd contact site 61 distortion or warpages, so can reach the purpose of this utility model really.

But the above only is preferred embodiment of the present utility model; when not limiting the scope that the utility model is implemented with this; be that every equivalence of being done on the content basis of claims of the present utility model and specification changes and modification, all still belong in the scope of patent protection of the present utility model.

Claims (12)

1. an electric connector is characterized in that, comprises:

One insulation unit, comprise a pedestal and a hyoplastron, this pedestal have that a basal wall, front and back connect this basal wall and for the assembling grove of this hyoplastron engaging, and one cooperate this assembling grove to protrude out to support the stiffener of this hyoplastron back segment part forward by this basal wall, this hyoplastron has the bottom surface that an end face and is positioned at this end face opposition side and adjacent this stiffener;

Many the first terminals are fixedly arranged on this insulation unit, and respectively this first terminal has an elastic contact part that is exposed to this hyoplastron end face;

Many second terminals are fixedly arranged on this insulation unit, and respectively this second terminal has one and is exposed to second contact site of the elastic contact part of this hyoplastron end face and more described the first terminal near this hyoplastron front end;

Many the 3rd terminals are fixedly arranged on this insulation unit, and respectively the 3rd terminal has the 3rd contact site that is exposed to this hyoplastron bottom surface; And

One metal shell is sheathed on outside this insulation unit.

2. according to the described electric connector of claim 1, it is characterized in that described the 3rd contact site back segment partly is folded between this hyoplastron bottom surface and this stiffener.

3. according to the described electric connector of claim 1, it is characterized in that this hyoplastron also has two fins that lay respectively at the left and right sides, and this stiffener is provided with the Liang Kagou that correspondence is accommodated this two fin.

4. according to claim 1,2 or 3 described electric connectors, it is characterized in that this stiffener is the stiffener that takes the shape of the letter U, this U-shaped is strengthened bottom surface and the both sides that sheet frame entangles this hyoplastron back segment part.

5. according to the described electric connector of claim 4, it is characterized in that this hyoplastron also has a plurality of the 3rd terminal grooves of being located at this bottom surface and ccontaining respectively the 3rd contact site of difference; This stiffener is provided with a plurality of corresponding respectively respectively the 3rd terminal channels of the 3rd terminal groove.

6. according to the described electric connector of claim 4, it is characterized in that, this hyoplastron also have a plurality of at intervals by this end face toward the first terminal groove of lower recess, the rear end of described the first terminal groove is defined by a boss portion, respectively this first terminal groove is distinguished the elastic contact part of ccontaining respectively this first terminal; This pedestal also has a plurality of the first terminal passages of being located at this basal wall and corresponding described the first terminal groove, and respectively this first terminal passage has a yielding recess corresponding to this boss portion position.

7. according to the described electric connector of claim 4, it is characterized in that the basal wall place that the back segment of this hyoplastron end face and this pedestal are positioned at this assembling grove also is provided with many draw-in groove and fixture blocks to cooperatively interacting.

8. according to the described electric connector of claim 4, it is characterized in that described second terminal is embedded in this hyoplastron with injection molding in the mould, and also respectively have second junction that protrudes out this hyoplastron rear end and down extend.

9. according to the described electric connector of claim 4, it is characterized in that this electric connector is installed on a circuit board with a breach, and this electric connector some is positioned under the plate by this breach; This pedestal also has two and is connected to, and two back booms that are connected to these basal wall both sides and extend with respect to each sidewall upper section backward, this two back booms bottom side is butted on this circuit board surface.

10. according to the described electric connector of claim 4, it is characterized in that described the first terminal is the terminal group that is used to transmit the signal that meets USB2.0 signal transmission specification; It is the terminal group that is used to transmit the signal that meets USB3.0 signal transmission specification that described the first terminal cooperates described second terminal; Described the 3rd terminal is the terminal group that is used to transmit the signal that meets ESATA signal transmission specification.

11. according to the described electric connector of claim 5, it is characterized in that respectively the 3rd terminal also has one and extended backward and be fixed in the 3rd corresponding terminal groove and the 3rd fixed part in the 3rd terminal channel, and one be the 3rd junction that inverted U-shaped bending is extended by the 3rd fixed part by the 3rd contact site.

12. according to the described electric connector of claim 6, it is characterized in that respectively this first terminal also has one and extended backward and be fixed in first fixed part in this corresponding the first terminal passage, and first junction that is down extended by this first fixed part by this elastic contact part.

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