Plug connector, socket connector and combination thereof

Abstract

An electric connector combination comprises a first electric connector and a second electric connector, the first electric connector comprises an insulating base and a first terminal, the first terminal comprises a pair of terminal sheets and a mounting part, a matching cavity is formed between the terminal sheets, and the mounting part is horizontally arranged; the second electric connector comprises an insulating shell and a second terminal, the second terminal comprises a main body part, a welding part extending horizontally and a pair of elastic arms, each elastic arm sequentially comprises a first inward inclined part, a vertical part, an outward inclined part and a second inward inclined part, the outward inclined part and the second inward inclined part jointly form a V-shaped contact part, the vertical parts are parallel to each other, and the welding part extends horizontally. After the elastic arm is inserted into the matching cavity, the contact part elastically abuts against the inner side of the terminal piece. Therefore, the deformation space of the elastic arm can be limited by the matching cavity, and miniaturization of the product is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to an electric connector combination, and the terminal thereof has an improved elastic arm. BACKGROUND

[0002] The prior art related to the utility model can refer to CN104981947B, which discloses an electric connector and a terminal thereof. The terminal comprises a head section, a main body section and a tail section. One end of the main body section is connected with the head section, and the other end is connected with the tail section. The terminal comprises two rectangular protrusions extending from the main body section, a recess extending from the main body section or the tail section, and an opening located in the tail section. The head section comprises a first arm, a second arm and a bridge portion. The bridge portion connects the second arm to the first arm to define a tulip-shaped connection point of the terminal. However, when the terminal is connected, the contact portion thereof expands outwardly, and the terminal slot needs to have a large deformation space. Therefore, the electric connector is not miniaturized.

[0003] Further referring to CN104426043B, which discloses a power connector assembly. The socket connector has a plurality of fixed terminals, and the plug connector has a plurality of elastic terminals. The elastic terminals are inserted into the corresponding fixed terminals.

[0004] Therefore, it is necessary to provide a new electric connector combination with a terminal structure to solve the above problems. SUMMARY

[0005] The utility model aims at providing an electric connector and a combination thereof with an improved terminal.

[0006] To solve the above technical problems, the utility model adopts the following technical scheme: an electric connector combination comprises a first electric connector and a second electric connector. The first electric connector comprises an insulating base and a plurality of fixed terminals. The insulating base comprises a first surface, a second surface opposite to the first surface, and a first terminal slot penetrating through the first and second surfaces. The fixed terminals are held in the first terminal slot. Each fixed terminal comprises a pair of oppositely arranged terminal pieces and a horizontally arranged welding portion. An accommodating cavity is formed between the two terminal pieces. The second electric connector comprises an insulating seat and a plurality of elastic terminals. The insulating seat comprises a base, a second terminal slot penetrating through the base, and a side wall extending from the base. The plurality of elastic terminals are fixed in the second terminal slot. Each elastic terminal comprises a holding portion, a horizontally extending welding portion, and a pair of elastic arms. The elastic arms comprise a first inwardly inclined portion, a vertical portion, an outwardly inclined portion, and a second inwardly inclined portion in sequence. The outwardly inclined portion and the second inwardly inclined portion form a V-shaped contact portion. The vertical portions of the two elastic arms are parallel to each other. When the elastic arms are inserted into the accommodating cavity, the contact portion elastically abuts against the inner side surface of the corresponding terminal piece.

[0007] To solve the above technical problems, the utility model also can adopt the following technical scheme: A plug connector, including insulating seat body and a plurality of elastic terminals, the insulating seat body includes base and the second terminal slot of through the base, the elastic terminal holds in the second terminal slot, the elastic terminal includes holding part, a pair of from the lateral extension of holding part both sides, the welding part of from the holding part bottom extension and a pair of from the elastic arm of horizontal part extension, the elastic arm is in order first inner inclined part, vertical part, outer inclined part and second inner inclined part, the outer inclined part with the second inner inclined part forms V type contact part, a pair of vertical part is parallel and interval arrangement each other, and still keeps separating each other after the elastic arm inserts the socket connector of matching.

[0008] To solve the above technical problems, the utility model also can adopt the following technical scheme: A socket connector, for with the plug connector matching, including insulating base, the first terminal slot of through the insulating base and a plurality of fixed terminals, the fixed terminal holds in the first terminal slot, the fixed terminal includes a pair of terminal sheet and a pair of horizontal setting to with the foot of soldering, two the terminal sheet face to face arrangement and forms the matching cavity between both, when the elastic arm inserts the matching cavity, the terminal sheet with the contact portion abuts.

[0009] Compared with the prior art, the utility model has the following beneficial effects: because the elastic terminal of plug connector is inwardly inclined, when it is mutually matched with the matching connector and deformed, two elastic arms are close to each other and are deformed, and no additional space is needed for the elastic deformation of elastic arm, the spacing between adjacent elastic terminals can be reduced, which is beneficial to the miniaturization of electric connector. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the perspective view and partial enlarged view of electric connector combination of the utility model, wherein, plug connector and socket connector are separated from each other.

[0011] Figure 2 It is Figure 1 It is another angle perspective view and partial enlarged view of electric connector combination in the.

[0012] Figure 3 It is the perspective view of fixed terminal and solder ball.

[0013] Figure 4 It is Figure 3 It is another angle perspective view of fixed terminal and solder ball in the.

[0014] Figure 5 It is the perspective view of elastic terminal and solder ball.

[0015] Figure 6 It is Figure 5Another perspective view of the elastic terminal and the solder ball.

[0016] Figure 7 is a partial sectional view of the electrical connector assembly.

[0017]

Element Symbol Description

[0018] First electrical connector 100 base 31

[0019] Second electrical connector 200 side wall 32

[0020] Insulating base 10 insertion slot 33

[0021] Upper surface 11 elastic terminal 40

[0022] Lower surface 12 holding portion 41

[0023] Terminal slot 13, 34 elastic arm 42

[0024] Fixed terminal 20 first inner inclined portion 421

[0025] Terminal sheet 21 vertical portion 422

[0026] Lower lug 211 outer inclined portion 423

[0027] Middle lug 212 second inner inclined portion 424

[0028] Pin 22 contact portion 425

[0029] Mating cavity 23 welding portion 43

[0030] Insulating seat body 30 transverse portion 44

[0031] The following specific embodiments will further illustrate the present application in conjunction with the above-mentioned drawings. Specific embodiments

[0032] Please refer to Figures 1-2 An electrical connector assembly includes a first electrical connector 100 in the form of a receptacle and a second electrical connector 200 in the form of a plug. The first electrical connector 100 can be mounted to an upper portion of a chip module, and the second electrical connector 200 can be connected to a cable assembly. In this manner, the two connectors cooperate to transmit high speed signals. Of course, it is to be understood that in other embodiments, the first connector 100 can be connected to the cable assembly, and the second connector 200 can be mounted to the upper portion of the chip module.

[0033] Please refer to Figure 1 and Figures 3-4, the first electrical connector 100 includes a plate-like insulating base 10 provided with a plurality of terminal slots 13, the insulating base 10 has an upper surface (first surface) 11 and a lower surface (second surface) 12, the terminal slots 13 pass through the upper surface 11 and the lower surface 12, and a plurality of fixed terminals 20 are held in the terminal slots 13. The fixed terminals 20 include two terminal pieces 21 parallel to each other and a contact leg 22 bent from the bottom of the terminal pieces 21 and horizontally extended, the two contact legs 22 respectively extend from one of the terminal pieces 21 toward the other terminal piece 21 and are parallel to each other. Further, in the vertical direction of the terminal pieces 21, each of the terminal pieces 21 is provided with a lower lug 211 on each of the side edges close to the bottom and a middle lug 212 on each of the side edges close to the middle part. The contact leg 22 forms a soldering part and can be soldered by a solder ball 51, and the pair of horizontally and oppositely extended contact legs 22 are beneficial to better improve the high-frequency performance of the electrical connector.

[0034] Referring to Figure 7 When the fixed terminals 20 are installed into the terminal slots 13, the terminal pieces 21 interfere with the inner side surfaces of the terminal slots 13 by the lower lugs 211 and the middle lugs 212, the top edges of the terminal pieces 21 are flush with the upper surface 11 of the insulating base 10, and the soldering parts extend beyond the lower surface 12 of the insulating base 10. Of course, in other embodiments, the top edges of the terminal pieces 21 can also be arranged to be lower than the upper surface 11 of the insulating base 10. The mating cavities 23 are formed between the two terminal pieces 21, i.e., the inner wall surfaces of the terminal pieces 21 are electrical contact surfaces.

[0035] Referring to Figure 2 and Figures 5-6 The second electrical connector 200 includes an insulating base 30 and a plurality of elastic terminals 40 fixed to the insulating base 30, the insulating base 30 includes a base part 31 and four side walls 32 extended from the base part 31, a plurality of terminal slots 34 pass through the upper and lower opposite surfaces of the base part 31, and the plurality of elastic terminals 40 are fixed to the base part 31 and protrude downward from the lower surface of the base part 31. In combination with Figure 7The base 31 and the side wall 32 surround the insertion slot 33, and the elastic terminal 40 protrudes downward from the base 31 into the insertion slot 33. When the first electric connector 100 and the second electric connector 200 are connected, the insulating base 10 of the first electric connector 100 is inserted into and accommodated in the insertion slot 33. The elastic terminal 40 comprises a holding portion 41 with a holding piece 411, a pair of elastic arms 42 arranged face to face, and an extended soldering portion 43 vertically bent from the lower edge of the holding portion 411. The holding piece 411 is located at the two side edges of the holding portion 41, and the two elastic arms 42 are in an inverted prayer type structure, comprising a first inwardly inclined portion 421, a vertical portion 422, an outwardly inclined portion 423, and a second inwardly inclined portion 424 in sequence. The inclined portions can provide elastic force, and the outwardly inclined portion 423 and the second inwardly inclined portion 424 form a V-shaped contact portion 425. When the elastic arm 42 is inserted into the connecting cavity 23 of the fixed terminal 20, the second inwardly inclined portion 424 plays a guiding role. When the elastic arm 42 is inserted into the connecting cavity 23, the contact portion 425 elastically contacts the inner wall surface of the terminal piece 21 of the fixed terminal 20, and the first inwardly inclined portion 421 abuts against the top edge of the terminal piece 21. Since the second inwardly inclined portions 424 are close to each other when deformed in the terminal slot 34, no additional space is needed to provide elastic deformation of the second inwardly inclined portions 424. Therefore, the spacing between adjacent elastic terminals 40 can be reduced. When the elastic arm 42 is not inserted into the connecting cavity 23, the vertical portions 422 are parallel to each other, and when the elastic arm 42 is inserted into the connecting cavity 23, the vertical portions 422 pivot and approach each other, but the two elastic arms 42 always remain separated.

[0036] The holding portion 41 is vertically arranged, and a pair of transverse portions 44 extend from the two sides of the body portion 41, and the elastic arms 42 extend in the vertical direction from the transverse portions 44.

[0037] The above only describes some embodiments of the present application, and is not all embodiments. Any equivalent changes made by those skilled in the art by reading the description of the present application to the technical solutions of the present application are all covered by the claims of the present application.

Claims

1. An electrical connector assembly, comprising a first electrical connector and a second electrical connector, the first electrical connector comprising an insulating base and a plurality of fixed terminals, the insulating base comprising a first surface, a second surface opposite to the first surface, and a first terminal slot extending through the first and second surfaces; the fixed terminals being retained in the first terminal slot, the fixed terminals comprising a pair of terminal pieces disposed opposite to each other and a horizontally disposed welding portion, with a mating cavity formed between the two terminal pieces; the second electrical connector comprising an insulating base and a plurality of elastic terminals, the insulating base comprising a base, a second terminal slot extending through the base, and sidewalls extending from the base, the plurality of elastic terminals being secured in the second terminal slot, and each elastic terminal comprising a retaining portion, a horizontally extending welding portion, and a pair of elastic arms; characterized in that: The elastic arm comprises a first inner inclined portion, a vertical portion, an outer inclined portion and a second inner inclined portion in sequence, the outer inclined portion and the second inner inclined portion form a V-shaped contact portion, the vertical portions of the two elastic arms are parallel to each other, and the contact portion elastically abuts against the inner side surface of the corresponding terminal sheet after the elastic arm is inserted into the mating cavity.

2. The electrical connector assembly of claim 1, wherein: The top edge of the terminal sheet is flush with the first surface of the insulating base, the insulating base is installed in the insertion slot formed by the base and the side wall, and the elastic arm protrudes out of the base and is exposed in the insertion slot.

3. The electrical connector assembly of claim 1, wherein: The first inner inclined portion abuts against the top edge of the terminal sheet.

4. A plug connector comprising an insulating housing including a base and a second terminal slot extending through the base, and a plurality of elastic terminals held in the second terminal slot; the elastic terminal including a holding portion, a pair of lateral portions extending from both sides of the holding portion, a soldering portion extending from the bottom of the holding portion, and a pair of elastic arms extending from the lateral portions; characterized in that: The elastic arm comprises a first inner inclined portion, a vertical portion, an outer inclined portion and a second inner inclined portion in sequence, the outer inclined portion and the second inner inclined portion form a V-shaped contact portion, the vertical portions of the two elastic arms are parallel to each other, and the contact portion elastically abuts against the inner side surface of the corresponding terminal sheet after the elastic arm is inserted into the mating cavity.

5. The plug connector of claim 4, wherein: The insulating base comprises a side wall extending from the periphery of the base, the side wall and the base jointly form an insertion slot, the elastic arm protrudes out of the first surface of the base and is exposed in the insertion slot.

6. The plug connector of claim 5, wherein: The holding portion and the transverse portion are accommodated in the second terminal slot.

7. The plug connector of claim 4, wherein: The holding portion is vertically arranged, and the elastic arm extends from the transverse portion in the vertical direction.

8. A receptacle connector for mating with the plug connector of claim 4, comprising an insulative housing, a first terminal slot extending through the insulative housing, and a plurality of fixed terminals held in the first terminal slot; characterized in that: The fixed terminal comprises a pair of terminal sheets and a pair of horizontally arranged feet for soldering with tin balls, the two terminal sheets are arranged face to face and form a mating cavity therebetween, and the terminal sheet abuts against the contact portion after the elastic arm is inserted into the mating cavity.

9. The receptacle connector of claim 8, wherein: The top edge of the terminal sheet does not exceed the upper surface of the insulating base, and the terminal sheet is buried in the first terminal slot.

10. The receptacle connector of claim 8, wherein: The terminal sheet is provided with a pair of lower lugs on both sides close to the bottom and a pair of middle lugs on both side edges close to the middle portion.

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