CN201352617Y - Board-to-Board Connector - Google Patents

Abstract

The utility model discloses a board-to-board connector, which comprises a plug connector and a socket connector, wherein the plug connector comprises a first insulating body and a first conductive terminal contained in the first insulating body, the first conductive terminal is provided with a first elastic arm and a second elastic arm, the first elastic arm is provided with a first contact surface and a second contact surface, and the second elastic arm is provided with a third contact surface; the socket connector comprises a second insulating body and a plurality of second conductive terminals accommodated in the second insulating body, wherein each second conductive terminal is provided with a first contact arm and a second contact arm, the tail end of each first contact arm extends to form a first contact end, and the tail end of each second contact arm convexly extends to form a second contact end and a third contact end. The utility model discloses the board adopts the design of the three point contact of plug terminal and socket terminal to the board connector, and has ensured reliable electric connection between plug terminal and the socket terminal.

Description

Board-to-Board Connector

technical field

The utility model relates to a connector, in particular to a board-to-board connector applied to electronic products.

Background technique

With the development of electronic devices such as mobile phones, their functions are continuously strengthened, and the conductive terminals of the board-to-board connectors that cooperate with them are arranged more and more closely. In order to ensure the accuracy and stability of electrical signal transmission, the board-to-board connectors have terminals The structure, assembly and contact methods are particularly important.

The board-to-board connector is generally composed of a plug connector and a socket connector, and conductive terminals are arranged in the plug connector and the socket connector. The conductive terminals of the plug connector abut against the conductive terminals of the receptacle connector to make the board-to-board connector conductive.

In the existing board-to-board connectors, the conductive terminals of the plug connector and the conductive terminals of the receptacle connector generally adopt a single-point contact connection form, which is prone to poor contact.

Utility model content

The purpose of this utility model is to provide a board-to-board connector that can reliably conduct the conductive terminals of the plug connector and the conductive terminals of the socket connector to solve the above-mentioned shortcomings of the prior art.

In order to achieve the above purpose, the board-to-board connector provided by the utility model includes a plug connector and a socket connector, and the plug connector includes a first insulating body and a plurality of first conductive terminals accommodated in the first insulating body , the first conductive terminal has a first base extending laterally, the first base extends downwards to form a first elastic arm and a second elastic arm, a first tail protrudes from the first base, and the first elastic arm has a The first contact surface and a second contact surface, the second elastic arm has a third contact surface; the socket connector includes a second insulating body and a plurality of second conductive terminals accommodated in the second insulating body, the second conductive The terminal has a second base, a first contact arm and a second tail are formed extending from the two bases, a second contact arm is formed by bending and extending from the second base, and the end of the first contact arm is formed as a first contact end , the end of the second contact arm extends to both sides to form a second contact end and a third contact end; wherein, the first contact end of the first contact arm of the second conductive terminal and the first elastic arm of the first conductive terminal The first contact surface abuts, the second contact end of the second contact arm of the second conductive terminal abuts against the second contact surface of the first elastic arm of the first conductive terminal, and the second contact end of the second contact arm of the second conductive terminal abuts against the second contact surface of the first elastic arm of the first conductive terminal. The three contact ends abut against the third contact surface of the second elastic arm of the first conductive terminal.

As mentioned above, the board-to-board connector of the present invention consists of the first contact end, the second contact end and the third contact end of the second conductive terminal of the socket connector and the first contact surface of the first conductive terminal of the plug connector respectively. , the second contact surface and the third contact surface abut against each other, thereby ensuring reliable electrical conduction between the plug terminal and the socket terminal of the board-to-board connector.

Description of drawings

Fig. 1 is a perspective view of an embodiment of the board-to-board connector of the present invention.

FIG. 2 is an exploded perspective view of the board-to-board connector shown in FIG. 1 .

FIG. 3 is a perspective view of the first insulating body in the board-to-board connector shown in FIG. 2 .

FIG. 4 is a three-dimensional cross-sectional view of the first insulating body in the board-to-board connector shown in FIG. 3 .

FIG. 5 is a perspective view of the first conductive terminal in the board-to-board connector shown in FIG. 2 .

FIG. 6 is a three-dimensional cross-sectional view of the second insulating body in the board-to-board connector shown in FIG. 2 .

FIG. 7 is a perspective view of the second conductive terminal in the board-to-board connector shown in FIG. 2 .

Fig. 8 is a cross-sectional view along V-V shown in Fig. 1 .

The reference signs in the figure are explained as follows:

Board to Board Connector 100

Plug connector 1 first insulating body 10

The first limiting wall 11 the protruding part 12

The first holding slot 13 The first terminal slot 14

Base groove 141 Fastening groove 142

Elastic arm groove 143 Base plate 15

Docking guide groove 16 Guiding part 17

First conductive terminal 30 First elastic arm 31

First contact surface 311 Second contact surface 312

Second elastic arm 32 Third contact surface 321

The first clamping part 33 the clamping convex part 331

First tail 34 First base 35

socket connector 2 second conductive terminal 40

The second clamping part 41 the first contact arm 42

Second contact arm 43 Second tail 44

First contact end 45 Second contact end 46

Third contact end 47 Second base 48

Second Insulation Body 50 First Containment Department 511

The second holding slot 512 The second terminal slot 52

Base groove part 521 Fastening groove part 522

Contact groove 523 Elastic arm groove 524

Side wall 53 Second limit wall 54

Bottom plate 55 End wall 56

Docking guide block 57

Detailed ways

In order to describe the technical content, structural features, achieved goals and effects of the present invention in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

Please refer to FIG. 1 , the board-to-board connector 100 of the present invention includes a plug connector 1 and a socket connector 2 .

Please refer to FIG. 1 and FIG. 2 , the plug connector 1 includes a first insulating body 10 and a plurality of first conductive terminals 30 .

Please refer to Fig. 2, Fig. 3 and Fig. 4, the first insulating body 10 has a rectangular plate-shaped base plate 15, and the middle parts of the two sides of the base plate 15 respectively protrude downward to form a plate-shaped first limiting wall 11, The base plate 15 protrudes downwards at the middle part between the two first limiting walls 11 and has a substantially rectangular parallelepiped protruding portion 12. Between the two first limiting walls 11 and the protruding portion 12 are formed two extending upwards to the base plate. 15 on the first holding groove 13. Two symmetrical rows of first terminal slots 14 are provided on the first insulating body 10; the first terminal slots 14 have a base slot 141 that penetrates the base plate 15 up and down and extends to the side of the base plate 15, and a card that penetrates the protruding portion 12 downwards. The fixing groove 142 and an elastic arm groove 143 passing through the first limiting wall 11 . Both ends of the base plate 15 are respectively provided with a docking guide groove 16 penetrating the base plate 15 up and down, and a semi-cylindrical guide portion 17 protrudes into the docking guide groove 16 on one side wall of the docking guide groove 16 .

Please refer to FIG. 2 and FIG. 5, the first conductive terminal 30 has a first base portion 35 extending substantially in the shape of a strip, the first base portion 35 extends downwards to form a first elastic arm 31 in the shape of a sheet The second elastic arm 32 and a substantially strip-shaped first clamping portion 33, the second elastic arm 32 is located between the first clamping portion 33 and the first elastic arm 31, and one end of the first base portion 35 protrudes There is a first tail 34 for connection to a printed circuit board. The first elastic arm 31 has a first contact surface 311 and a second contact surface 312 , and the second elastic arm 32 has a third contact surface 321 . A locking protrusion 331 protrudes from the first locking portion 33 . The first conductive terminals 30 are respectively accommodated in a first terminal groove 14, wherein the first base portion 35 is accommodated in the base groove 141, the first elastic arm 31 is accommodated in the elastic arm groove 143, the first clamping portion 33 and the second The elastic arm 32 is received in the fastening groove 142 .

Please continue to refer to FIG. 1 and FIG. 2 , the receptacle connector 2 includes a second insulating body 50 and a plurality of second conductive terminals 40 .

Please refer to Fig. 2 and Fig. 6, the second insulating body 50 has a substantially rectangular bottom plate 55, and the upper surface of the bottom plate 55 extends upwards with two sidewalls 53 respectively located at one side of the bottom plate 55, two respectively located at the bottom plate The end wall 56 at one end of 55 and the second limiting wall 54 in two rectangular plates, the two ends of the side wall 53 and the two ends of the second limiting wall 54 are all connected with the end wall 56; thus, both A first receiving portion 511 is formed between the second limiting walls 54 , and a second locking groove 512 is formed between the two second limiting walls 54 and the corresponding side walls 53 . Two rows of second terminal grooves 52 are provided on the second insulating body 50; the second terminal groove 52 has a base groove portion 521 penetrating through the bottom plate 55, a fastening groove portion 522 penetrating the side wall 53 up and down, and a secondary fastening groove portion. The portion 522 extends to the second locking groove 512 and communicates with the contact groove portion 523 of the base groove portion 521 and the elastic arm groove portion 524 passing through the second limiting wall 54 . A generally trapezoidal docking guide block 57 protrudes upwards from the middle of the two end walls 56 .

Please continue to refer to FIG. 2 and FIG. 7 , the second conductive terminal 40 has a second base portion 48 extending laterally in the shape of a strip, and the second base portion 48 extends upward to form a second clamping portion 41 in the shape of a strip. The middle part of the two clamping parts 41 protrudes laterally to form a strip-shaped first contact arm 42, one end of the second base part 48 extends to form a second tail part 44, and the other end of the second base part 48 bends upward to form a second contact arm. arm 43. The end of the first contact arm 42 is formed as a semicircular first contact end 45, and the end of the second contact arm 43 extends to both sides to form an arc-shaped second contact end 46 and an arc-shaped third contact end 47. . The second conductive terminals 40 are respectively accommodated in a second terminal groove 52, the second base portion 48 is accommodated in the base groove portion 521, the second holding portion 41 is accommodated in the fastening groove portion 522, and the first contact arm 42 is accommodated in the In the contact groove 523 , the second contact arm 43 is received in the elastic arm groove 524 .

Please refer to Figure 8, when the plug connector 1 and the receptacle connector 2 are docked, the docking guide block 57 of the second insulating body 50 is inserted into the docking guide groove 16 of the first insulating body 10; the first limiting wall 11 snaps Fitting in the second locking groove 512, the protruding portion 12 of the first insulating body 10 is engaged in the first receiving portion 511; the second limiting wall 54 is engaging in the first locking groove of the first insulating body 10 within 13. The first contact end 45 of the first contact arm 42 of the second conductive terminal 40 abuts against the first contact surface 311 of the first elastic arm 31 of the first conductive terminal 30 , and the second contact arm 43 of the second conductive terminal 40 The second contact end 46 is in contact with the second contact surface 312 of the first elastic arm 31 of the first conductive terminal 30 , and the third contact end 47 of the second contact arm 43 of the second conductive terminal 40 is in contact with the second contact surface 312 of the first conductive terminal 30 . The third contact surface 321 of the second elastic arm 32 abuts against each other.

As mentioned above, in the board-to-board connector 100 of the present invention, the first contact end 45, the second contact end 46 and the third contact end 47 of the second conductive terminal 40 of the receptacle connector 2 are connected to the plug connector 1 respectively. The first contact surface 311, the second contact surface 312, and the third contact surface 321 of the first conductive terminal 30 of the board-to-board connector 100 are in contact with each other, thereby ensuring that the conductive terminal 30 of the plug connector 1 of the board-to-board connector 100 is connected to the receptacle connector 2 The conductive terminal 40 is reliably electrically connected.

Claims (5)

1. board to board connector, comprise a pin connector and a socket connector, pin connector comprises one first insulating body and some first conducting terminals that is contained in first insulating body, and socket connector comprises one second insulating body and some second conducting terminals that is contained in second insulating body; It is characterized in that: first conducting terminal has first base portion of a horizontal expansion, first base portion extends to form one first elastic arm and one second elastic arm downwards, protruded out one first afterbody on first base portion, first elastic arm has one first contact-making surface and one second contact-making surface, and second elastic arm has one the 3rd contact-making surface; Second conducting terminal has one second base portion, one first contact arm and one second afterbody have been extended to form on second base portion, also bend on second base portion and extended to form one second contact arm, the first contact arm end forms one first contact jaw, and the second contact arm end has extended to form one second contact jaw and one the 3rd contact jaw to both sides; Wherein, first contact-making surface of first contact jaw of first contact arm of second conducting terminal and first elastic arm of first conducting terminal connects, second contact-making surface of second contact jaw of second contact arm of second conducting terminal and first elastic arm of first conducting terminal connects, and the 3rd contact-making surface of the 3rd contact jaw of second contact arm of second conducting terminal and second elastic arm of first conducting terminal connects.

2. board to board connector as claimed in claim 1 is characterized in that: described first insulating body has a substrate, and substrate protrudes out downwards and is formed with two first spacing walls and a protuberance; Be formed with first support slot respectively between two first spacing walls and the protuberance; Offer two on first insulating body and ranked first terminal groove, the first terminal groove has one and is positioned at foundation trench, on the substrate and is positioned at the elastic arm groove that fixing slot and on the protuberance connects first spacing walls; First base portion of described first conducting terminal extends to form one first holding section downwards; Each conducting terminal is contained in respectively in the first terminal groove, and wherein, first base portion is contained in the foundation trench, and first elastic arm is contained in the elastic arm groove, and first holding section and second elastic arm are contained in the fixing slot.

3. board to board connector as claimed in claim 2 is characterized in that: be raised with one on described first holding section and hold protuberance.

4. board to board connector as claimed in claim 2 is characterized in that: the place, two ends of described substrate offers a butt joint guide groove respectively; Described second insulating body has a base plate, and base plate extends upward two end walls that lay respectively at base plate one end place, and the end walls center has upwards protruded out a butt joint guide block respectively.

5. board to board connector as claimed in claim 1, it is characterized in that: described second insulating body has a base plate, be extended with sidewall and the two second tabular spacing walls on this base plate, form one first resettlement section between two second spacing walls, form one second support slot respectively between two second spacing walls and the corresponding sidewall; Offer two on second insulating body and ranked second terminal groove; Second terminal groove has one and is positioned at foundation trench portion, on the base plate and is positioned at fixing slot part, on the sidewall from fixing the elastic arm slot part that slot part extends to the contact slot part of second support slot and runs through second spacing walls; Extend upward on second base portion of described second conducting terminal and be formed with one second holding section, laterally protrude out on two holding sections and be formed with described first contact arm; Each second conducting terminal is contained in respectively in one second terminal groove, and wherein, second base portion is contained in the foundation trench portion, and second holding section is contained in and fixes in the slot part, and first contact arm is contained in the contact slot part, and second contact arm is contained in the elastic arm slot part.

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