CN109193223A

CN109193223A - Electric connector

Info

Publication number: CN109193223A
Application number: CN201811011131.4A
Authority: CN
Inventors: 黄常伟
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2018-08-31
Filing date: 2018-08-31
Publication date: 2019-01-11
Anticipated expiration: 2038-08-31
Also published as: CN109193223B

Abstract

The invention discloses a kind of electric connectors, comprising: an ontology, ontology are equipped with the upper and lower surfaces that multiple accepting holes run through ontology；Multiple terminals, correspondence is contained in multiple accepting holes, each terminal includes a base portion, bend 2 first extensions and 2 second extensions of extension respectively from the opposite sides of base portion, it is separately connected two interconnecting pieces of 2 first extensions and 2 second extensions, from 2 first extensions respectively towards the extension of 2 second extensions and two contact arms close to each other, and two positioning regions of the opposite sides bending extension from base portion, 2 first extensions, 2 second extensions and two positioning regions are cylindrical, second extending part is between the first extension and positioning region, two positioning regions and accepting hole cooperate with positioning terminal, two contact arms are between base portion and two interconnecting pieces and for the downward grafting of a pin for a plug, not only increase the intensity of terminal, and facilitate the molding of terminal, improve the signal transmission capabilities between pin and terminal.

Description

Electric connector

Technical field

The present invention relates to a kind of electric connectors, refer in particular to a kind of electric connector of low insertion force.

Background technique

The United States Patent (USP) of Patent No. US4934967 discloses a kind of socket, including an insulating body, has provided multiple Through-hole；Multiple terminals are corresponded to and are inserted into the through-hole of insulating body, and each terminal includes a strap, is connected to strap upper end A ring part, extend downwardly from ring part and two contact arms close to each other, be connected to the one of strap lower end keep band, with And the welding foot that self-sustaining band extends downwardly, the strap inwardly protrude out to form a contact point, two contact portion and institute The downward grafting of a pin that contact point supplies pin array encapsulation is stated, it is described to keep expanding in abutting through-hole with outward radial Wall, so that terminal is maintained in its corresponding through-hole.

It is fixed since the terminal only leans on the holding band to cooperate with the through-hole, and the length of the strap is longer, When the pin, which is downwardly into, to abut with two contact portion and the contact point, effect of the pin for the terminal Power is easy to cause the strap to deform, to affect being stably connected with for the terminal and the pin.

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

Summary of the invention

Creation of the invention is designed to provide a kind of increase terminal intensity, and improves the electrical connection of signal transmission capabilities Device.

In order to achieve the above object, the present invention adopts the following technical scheme:

A kind of electric connector a, comprising: ontology, the ontology are equipped with upper surface and following table of multiple accepting holes through the ontology Face；Multiple terminals, corresponding to be contained in multiple accepting holes, each terminal includes a base portion, from the opposite of the base portion Two sides bend 2 first extensions of extension respectively and 2 second extensions, are separately connected 2 first extension and described two Two interconnecting pieces of the second extension, from 2 first extension respectively towards 2 second extension extend and it is close to each other Two contact arms and from two positioning regions that the bending of the opposite sides of the base portion extends, 2 first extension, described 2 the Two extensions and two positioning region are cylindrical, and second extending part is in first extension and the positioning region Between, two positioning region and the accepting hole cooperate to position the terminal, and two contact arm is located at the base portion and institute It states between two interconnecting pieces and for the downward grafting of a pin for a plug.

Further, first extending part is in the top of second extension, and described along the vertical direction first prolongs The width of extending portion is greater than the width of second extension.

Further, the gap between two interconnecting piece is less than the gap between two positioning region.

Further, two interconnecting piece mutually abuts.

Further, the positioning region extends along direction width and is gradually increased, and the outer surface of the positioning region abuts institute The inner wall of accepting hole is stated, to position the terminal in the horizontal direction.

Further, the gap between 2 second extension is gradually reduced along the direction extended towards described 2 first.

Further, when the pin is downwardly into final position, the lower end of the pin is located at the positioning region Top.

Further, the aperture of 2 first extension is equal to the aperture of 2 second extension, and two positioning The aperture in portion is greater than the aperture of 2 second extension.

Further, the base portion includes one first, one second and connection described first and second described One third portion, first extension and second extension are extended to form from described first, and the positioning region is described in Second extends to form, and the third portion is extended to form from described first towards second inclination.

Further, each terminal further includes two clamping parts that the opposite sides bending from the base portion lower end extends, Two retaining part in the positioning region lower section and for clamping a solder, and 2 first extension, described 2 the From the left and right sides of the base portion, bending extends to the base portion for two extensions, two positioning region and two clamping part Front side.

Compared with prior art, electric connector of the present invention has the advantages that

The terminal be additionally arranged 2 second extension between 2 first extension and two positioning region with And two interconnecting pieces of connection 2 first extensions and 2 second extension, increase the intensity of the terminal；It is described 2 first extensions, 2 second extension and two positioning region are cylindrical, facilitate the molding of the terminal, and The structure for simplifying the corresponding accepting hole for accommodating the terminal, to reduce the processing cost of the electric connector；And When the pin downwards with the two contact arms grafting when, formation successively prolong via the pin, the contact arm, described first Extending portion, the interconnecting piece, second extension and the base portion two conductive paths in parallel, be conducive to improve described insert Signal transmission capabilities between foot and the terminal.

In order to achieve the above object, the present invention can also adopt the following technical scheme that

A kind of electric connector a, comprising: ontology, the ontology are equipped with upper surface and following table of multiple accepting holes through the ontology Face；Multiple terminals, corresponding to be contained in multiple accepting holes, each terminal includes a base portion, from the opposite of the base portion Two sides bend 2 first extensions of extension respectively and 2 second extensions, are separately connected 2 first extension and described two Two interconnecting pieces of the second extension, from 2 first extension respectively towards 2 second extension extend and it is close to each other Two contact arms and from two positioning regions that the bending of the opposite sides of the base portion extends, second extending part is in described the Between one extension and the positioning region, two positioning region and the accepting hole cooperate to position the terminal, each described First extension is convexly equipped with a limiting section and is moved down with the body fits with limiting the terminal, and two contact arm is located at Between the base portion and two interconnecting piece and for the downward grafting of a pin for a plug.

Further, a groove is equipped between the two neighboring accepting hole makes the two be interconnected, and the groove is described in The recessed formation downwards of the upper surface of ontology, and the two neighboring limiting section of the two neighboring terminal is contained in the same institute It states in groove, the lower section that the bottom surface of the groove is located at the limiting section is moved down for limiting the terminal.

Further, each first extension have a through-hole, the limiting section from the upper end of the through-hole downwards and It extends outward to form, and the opposite sides edge of the limiting section and the through-hole all has interval.

Further, from one notch of the upper end of the base portion recessed formation downwards, have between the notch and the through-hole Interval.

Further, two interconnecting piece mutually abuts.

Further, each terminal further includes two clamping parts that the opposite sides bending from the base portion lower end extends, Two retaining part in the positioning region lower section and for clamping a solder, and first extension, described second prolong Extending portion, the positioning region and the clamping part are respectively positioned on phase the same side of the base portion.

The terminal be additionally arranged 2 second extension between 2 first extension and two positioning region with And two interconnecting pieces of connection 2 first extensions and 2 second extension, increase the intensity of the terminal；It is described First extension is convexly equipped with the limiting section and moves down to limit the terminal, ensure that the terminal in the accepting hole In accurate positionin；And when the pin downwards with the two contact arms grafting when, formed successively via the pin, described connect Contact arm, first extension, the interconnecting piece, second extension and the base portion two conductive paths in parallel, Be conducive to improve the signal transmission capabilities between the pin and the terminal.

[Detailed description of the invention]

Fig. 1 is the perspective view of electric connector of the present invention and plug before grafting；

Fig. 2 is the perspective view of plug in Fig. 1；

Fig. 3 is the perspective view of electric connector in Fig. 1；

Fig. 4 is perspective view of the terminal in two angles in Fig. 3；

Fig. 5 is the front view of electric connector and plug before grafting in Fig. 1；

Fig. 6 is the schematic diagram of electric connector and plug after grafting in Fig. 5；

Fig. 7 is the cross-sectional view of electric connector and plug before grafting and along the direction A-A in Fig. 1；

Fig. 8 is the schematic diagram of electric connector and plug after grafting in Fig. 7；

Fig. 9 is electric connector in Fig. 7 along the cross-sectional view in the direction B-B；

Figure 10 is schematic diagram of the terminal of another embodiment in two angles.

The drawing reference numeral of specific embodiment illustrates:

Electric connector combination 100	Plug 200	Pedestal 1	Top surface 11
				Bottom surface 12	Fixing groove 13	Pin 2	Electric connector 300
Ontology 3	Upper surface 31	Lower surface 32	Accepting hole 33
				Groove 34	Terminal 4	Base portion 41	First 411
Second 412	Third portion 413	Notch 414	First extension 42
				Through-hole 421	Limiting section 422	Second extension 43	Interconnecting piece 44
Contact arm 45	Arc surface 451	Positioning region 46	Clamping part 47
				Solder 5	Circuit board 400	Front-rear direction X	Left and right directions Y
Up and down direction Z

[specific embodiment]

Purpose, structure, feature and effect to facilitate the understanding of the present invention etc., now in conjunction with the drawings and specific embodiments The invention will be further described.

As shown in Figure 1, the definition of electric connector combination 100 of the present invention has a front-rear direction X and perpendicular to the front and back To a left and right directions Y and a up and down direction Z of X.

It is electric connector combination 100 of the present invention, including a plug 200 and the plug as shown in Fig. 1, Fig. 5 and Fig. 6 One electric connector 300 of 200 docking and the circuit board 400 for being welded in 300 lower section of electric connector.

As shown in Fig. 2, the plug 200 includes a pedestal 1 and the multiple pins 2 for being fixed on the pedestal 1.

As shown in Figure 2 and Figure 5, the pedestal 1 is made of insulating material, and the pedestal 1 has opposite 11 He of a top surface One bottom surface 12 and the multiple fixing grooves 13 for running through the top surface 11 and the bottom surface 12 up and down.

As shown in Figure 2 and Figure 5, the pin 2 is that metal material is made and cylindrical, the riveting from top to bottom of pin 2 Pressing is in the fixing groove 13, the upper end of the pin 2 and 11 flush of top surface, and the lower end of the pin 2 to Under extend beyond the bottom surface 12.

As shown in figure 3, the electric connector 300 include an ontology 3, be contained in the ontology 3 multiple terminals 4 and Multiple solders 5.

As shown in Fig. 3, Fig. 5 and Fig. 9, the ontology 3 is made of insulating material, and the ontology 3 has table on opposite one Face 31 and a lower surface 32 and the multiple accepting holes 33 for running through the upper surface 31 and the lower surface 32 up and down.The receipts Hold that hole 33 is cylindrical and the aperture of the accepting hole 33 is equal.The ontology 3 is set between the two neighboring accepting hole 33 There is a groove 34 that the two is made to be interconnected, the groove 34 is from the upper surface 31 recessed formation downwards and not downward through described Lower surface 32.

As shown in Figure 3 and Figure 4, the terminal 4 is that metal material is made and is assembled in the accepting hole 33 upwards, each The terminal 4 includes a base portion 41,2 first extensions 42,2 second extensions 43, two interconnecting pieces 44, two contact arms 45, two Positioning region 46 and two clamping parts 47.

As shown in Figure 3 and Figure 4, the base portion 41 includes one first 411, one second 412 and connection described first Portion 411 and a second 412 third portion 413.Described first 411 is located at the top in the third portion 413, and described First 411 upper end recessed formation downwards, one notch 414.

As shown in fig. 7, described first 411 and described second 412 extends to form along the vertical direction, and the third portion 413 extend to form from described first 411 towards described second 412 inclination.

As shown in Fig. 4, Fig. 5 and Fig. 7,2 first extension 42 from the left and right sides of first 411 upper end to Preceding bending extends to form, and 2 first extension 42 is cylindrical, and each first extension 42 has a through-hole 421 and the limiting section 422 to be formed is extended downwardly and outwardly from the upper end of the through-hole 421, the through-hole 421 with it is described There is interval, and the left and right sides edge of the limiting section 422 and the through-hole 421 all has interval between notch 414.The limit Position portion 422 extends along direction width and is gradually reduced, and the two neighboring limiting section 422 of the two neighboring terminal 4 is received It is dissolved in the same groove 34, the bottom surface of the groove 34 is located at the lower section of the limiting section 422, for limiting the end Son 4 moves down.

As shown in Fig. 4, Fig. 5 and Fig. 7,2 second extension 43 from the left and right sides of first 411 lower end to Preceding bending extends to form, and 2 second extension 43 is cylindrical and the aperture of 2 second extension 43 is equal to described two The aperture of first extension 42, and along the up and down direction Z, the width of second extension 43 is less than first extension 42 width.The front end of 2 second extension 43 is in arc-shaped, and the gap between 2 second extensions, 43 front end It is gradually reduced along the direction for extending 42 towards described 2 first.

As shown in Fig. 4, Fig. 5 and Fig. 7, two interconnecting piece 44 is separately connected the downside of 2 first extensions, 42 front end With the upside of 2 second extensions, 43 front end, and between the front end of two interconnecting piece 44 have gap.As shown in Figure 10, In another embodiment, the front end of two interconnecting piece 44 mutually abuts, so that two interconnecting piece 44 electrically conducts, it can Further increase the signal transmission capabilities between the pin 2 and the terminal 4.

As shown in Fig. 4, Fig. 5 and Fig. 7, two contact arm 45 is from 2 first extensions, 42 lower end respectively towards described Two extensions 43 it is downward and it is close to each other extend to form, two contact arm 45 be located at described first 411 with it is described two connection Between portion 44, and interval is all had between described first 411 and two interconnecting piece 44.The contact arm 45 extends along Direction width is constant, and the limiting section 422 is located at the surface of the contact arm 45.As shown in Figure 5 and Figure 6, the pin 2 It is downwardly between two contact arm 45 and is clamped by two contact arm 45, and the inner face shape of 45 free end of the contact arm The outer surface of the pin 2 is contacted at an arc surface 451.

As shown in Fig. 4, Fig. 5 and Fig. 7, two positioning region 46 is from the left and right sides of second 412 upper end to antecurvature Folding extends to form, and two positioning region 46 is cylindrical, and the aperture of two positioning region 46 is greater than 2 second extension 43 aperture, it is ensured that while two positioning region 46 is positioned with the accepting hole 33,2 second extension 43 with There are gaps between the accepting hole 33.And the gap between two positioning regions, 46 front end is greater than two interconnecting pieces, 44 front end Between gap, ensure that between two positioning regions, 46 front end have enough deformation spaces.Prolong along it the positioning region 46 It stretches direction width to be gradually increased, and the outer surface of the positioning region 46 abuts the inner wall of the accepting hole 33, in level side To the positioning terminal 4.

As shown in Figure 6 and Figure 8, when the pin 2 is downwardly into final position, the lower end of the pin 2 is located at institute The top for stating positioning region 46, the lower end that can avoid the pin 2 are damaged due to colliding the upper end of the positioning region 46, And then improve the service life of the electric connector combination 100.In the present embodiment, the lower end of the pin 2 is located at described the Between one extension 42 and second extension 43.

As shown in Fig. 4, Fig. 5 and Fig. 7, two clamping part 47 is from the left and right sides of second 412 lower end to antecurvature Folding extends to form, and two clamping part 47 is located at the lower section of the lower surface 32 and for clamping the solder 5, by the electricity Connector 300 is soldered to the circuit board 400.

In conclusion electric connector of the present invention have it is following the utility model has the advantages that

(1) terminal 4 is additionally arranged described 2 second between 2 first extension 42 and two positioning region 46 Two interconnecting pieces 44 of extension 43 and connection 2 first extensions 42 and 2 second extension 43 increase described The intensity of terminal 4；2 first extension 42,2 second extension 43 and two positioning region 46 are cylindrical, The molding of the terminal 4 is facilitated, and simplifies the structure of the corresponding accepting hole 33 for accommodating the terminal 4, to reduce The processing cost of the electric connector 300；And when the pin 2 downwards with two contact arms, 45 grafting when, formed successively Via the pin 2, the contact arm 45, first extension 42, the interconnecting piece 44, second extension 43 and institute Two conductive paths in parallel for stating base portion 41 are conducive to improve the signal transmission energy between the pin 2 and the terminal 4 Power.

(2) terminal 4 is additionally arranged described two between 2 first extension 42 and two positioning region 46 Two interconnecting pieces 44 of the second extension 43 and connection 2 first extensions 42 and 2 second extension 43, increase The intensity of the terminal 4；First extension 42 is convexly equipped with the limiting section 422 and moves down to limit the terminal 4, It ensure that accurate positionin of the terminal 4 in the accepting hole 33；And when the pin 2 is inserted with two contact arm 45 downwards When connecing, formed successively via the pin 2, the contact arm 45, first extension 42, the interconnecting piece 44, described the Two conductive paths in parallel of two extensions 43 and the base portion 41 are conducive to improve between the pin 2 and the terminal 4 Signal transmission capabilities.

(3) positioning region 46 extends along direction width and is gradually increased, and increases the intensity of the positioning region 46, increases The area to interact between the positioning region 46 and the accepting hole 33 further ensures the terminal 4 and the receiving The accurate positionin in hole 33.

(4) between the notch 414 has from the recessed formation downwards of the upper end of the base portion 41 and between the through-hole 421 Every the notch 414 and the through-hole 421 are so set, facilitating the limiting section 422 to be deformed inward and being moved upward to described In groove 34.

(5) positioning region 46 extends to form from described second 412 and cooperates with the accepting hole 33 and positions, and described the One extension 42 and second extension 43 are extended to form from described first 411, and the third portion 413 connects described first It portion 411 and described second 412 and is extended to form from described first 411 towards described second 412 inclination, the third portion 413, which make first extension 42 and second extension 43, can be located at the central location of the accepting hole 33, thus Facilitate the pin 2 downwards with 4 grafting of terminal.

(6) 2 first extension 42 of each terminal 4,2 second extension 43, two positioning region 46 and the two clamping part 47 bending from the left and right sides of the base portion 41 extend to the front side of the base portion 41, reduce institute Occupied space of the terminal 4 in the accepting hole 33 is stated, keeps the arrangement of multiple terminals 4 more compact.

(7) two interconnecting piece 44 of each terminal 4 mutually abuts, so that two interconnecting piece 44 is electrically led It is logical, it can further improve the signal transmission capabilities between the pin 2 and the terminal 4.

(8) when the pin 2 is downwardly into final position, the lower end of the pin 2 is located at the positioning region 46 Top, the lower end that can avoid the pin 2 are damaged due to colliding the upper end of the positioning region 46, and then described in raising The service life of electric connector combination 100.

Detailed description above is only the explanation of the preferred embodiments of the invention, the scope of the patents that is non-therefore limiting to the present invention, So all, with this creation specification and diagramatic content institute, equivalence techniques change for it, are both contained in the scope of the patents of this creation It is interior.

Claims

1. a kind of electric connector characterized by comprising

One ontology, the ontology are equipped with the upper and lower surfaces that multiple accepting holes run through the ontology；

Multiple terminals, corresponding to be contained in multiple accepting holes, each terminal includes a base portion, from the opposite of the base portion Two sides bend 2 first extensions of extension respectively and 2 second extensions, are separately connected 2 first extension and described two Two interconnecting pieces of the second extension, from 2 first extension respectively towards 2 second extension extend and it is close to each other Two contact arms and from two positioning regions that the bending of the opposite sides of the base portion extends, 2 first extension, described 2 the Two extensions and two positioning region are cylindrical, and second extending part is in first extension and the positioning region Between, two positioning region and the accepting hole cooperate to position the terminal, and two contact arm is located at the base portion and institute It states between two interconnecting pieces and for the downward grafting of a pin for a plug.

2. electric connector as described in claim 1, it is characterised in that: first extending part is in second extension Top, and the width of the first extension described along the vertical direction is greater than the width of second extension.

3. electric connector as described in claim 1, it is characterised in that: it is fixed that the gap between two interconnecting piece is less than described two Gap between the portion of position.

4. electric connector as described in claim 1, it is characterised in that: two interconnecting piece mutually abuts.

5. electric connector as described in claim 1, it is characterised in that: the positioning region extends along direction width and gradually increases Greatly, and the outer surface of the positioning region abuts the inner wall of the accepting hole, to position the terminal in the horizontal direction.

6. electric connector as described in claim 1, it is characterised in that: gap between 2 second extension is along towards described 2 first directions extended are gradually reduced.

7. electric connector as described in claim 1, it is characterised in that: when the pin is downwardly into final position, institute The lower end for stating pin is located at the top of the positioning region.

8. electric connector as described in claim 1, it is characterised in that: the aperture of 2 first extension is equal to described 2 the The aperture of two extensions, and the aperture of two positioning region is greater than the aperture of 2 second extension.

9. electric connector as described in claim 1, it is characterised in that: the base portion include one first, one second and The third portion of described first He described second, first extension and second extension are connected from described first Portion extends to form, and the positioning region is extended to form from described second, and the third portion is from described first towards described second Portion's inclination extends to form.

10. electric connector as described in claim 1, it is characterised in that: each terminal further includes from the base portion lower end Opposite sides bending extend two clamping parts, two retaining part in the positioning region lower section and for clamp one weldering Material, and 2 first extension, 2 second extension, two positioning region and two clamping part are from the base portion Left and right sides bending extend to the front side of the base portion.

11. a kind of electric connector characterized by comprising

Multiple terminals, corresponding to be contained in multiple accepting holes, each terminal includes a base portion, from the opposite of the base portion Two sides bend 2 first extensions of extension respectively and 2 second extensions, are separately connected 2 first extension and described two Two interconnecting pieces of the second extension, from 2 first extension respectively towards 2 second extension extend and it is close to each other Two contact arms and from two positioning regions that the bending of the opposite sides of the base portion extends, second extending part is in described the Between one extension and the positioning region, two positioning region and the accepting hole cooperate to position the terminal, each described First extension is convexly equipped with a limiting section and is moved down with the body fits with limiting the terminal, and two contact arm is located at Between the base portion and two interconnecting piece and for the downward grafting of a pin for a plug.

12. electric connector as claimed in claim 11, it is characterised in that: be equipped with a groove between the two neighboring accepting hole Both make to be interconnected, the groove is from the recessed formation downwards of the upper surface of the ontology, and the phase of the two neighboring terminal Adjacent two limiting sections are contained in the same groove, and the lower section that the bottom surface of the groove is located at the limiting section is used for The terminal is limited to move down.

13. electric connector as claimed in claim 12, it is characterised in that: each first extension has a through-hole, institute The upper end for stating limiting section from the through-hole, which extends downwardly and outwardly, to be formed, and the opposite sides edge of the limiting section and the through-hole All have interval.

14. electric connector as claimed in claim 13, it is characterised in that: from the upper end of the base portion, recessed formation one is lacked downwards Mouthful, there is interval between the notch and the through-hole.

15. electric connector as claimed in claim 11, it is characterised in that: the gap between two interconnecting piece is less than described two Gap between positioning region.

16. electric connector as claimed in claim 11, it is characterised in that: two interconnecting piece mutually abuts.

17. electric connector as claimed in claim 11, it is characterised in that: the positioning region extends along direction width and gradually increases Greatly, and the outer surface of the positioning region abuts the inner wall of the accepting hole, to position the terminal in the horizontal direction.

18. electric connector as claimed in claim 11, it is characterised in that: gap between 2 second extension is along towards institute The direction for stating 2 first extensions is gradually reduced.

19. electric connector as claimed in claim 11, it is characterised in that: when the pin is downwardly into final position, The lower end of the pin is located at the top of the positioning region.

20. electric connector as claimed in claim 11, it is characterised in that: each terminal further includes from the base portion lower end Opposite sides bending extend two clamping parts, two retaining part in the positioning region lower section and for clamp one weldering Material, and 2 first extension, 2 second extension, two positioning region and two clamping part are from the base portion Left and right sides bending extend to the front side of the base portion.