CN205565051U - Plate -to -plate connector - Google Patents

Abstract

The utility model discloses a board-to-board connector, comprising: an insulating body, a first slot and a second slot are recessed on the top surface of the insulating body; a plurality of first terminals in rows, a first The terminal has a first main body disposed in the insulating body, the first main body extends a first contact arm exposed in the first slot and extends from the first main body a first soldering foot extends out of the insulating body; the rows of A plurality of second terminals, the second terminal has a second main body disposed in the insulating body, a second contact arm extending from the second main body is exposed in the second slot and an extension extending from the second main body is generally toward The side of the insulating body where the first welding leg is located extends, and crosses the bottom of the first slot, and extends from the extension part. A second welding leg extends out of the side of the insulating body where the first welding leg is located. The board-to-board connector of the utility model only needs to connect the first welding leg and the second welding leg on one side of the insulating body, which is convenient for operation and saves space.

Description

Board-to-Board Connector

technical field

The utility model relates to a board-to-board connector, in particular to a board-to-board connector in which the welding feet of two rows of terminals are located on the same side of an insulating body.

Background technique

The Chinese patent application number 200911000126.4 discloses a board-to-board connector, including an insulating body, the insulating body has two parallel slots for its mating connector to be plugged in, and two rows of terminals are fixed to the insulating body , the contact parts of the two rows of terminals protrude into two slots respectively, and the welding feet of the two rows of terminals are respectively located on opposite sides of the insulating body, so that the welding feet need to be wired on both sides of the insulating body, which is not necessary It is easy to operate and takes up a lot of space.

Therefore, it is necessary to design a new board-to-board connector to overcome the above problems.

Contents of the invention

The creation purpose of the utility model is to provide an electric connector which is convenient for wiring.

In order to achieve the above object, the utility model adopts the following technical solutions:

A board-to-board connector, characterized in that it includes: an insulating body, a first slot and a second slot are recessed on the top surface of the insulating body; a plurality of first terminals in a row, the first A terminal has a first main body disposed in the insulating body, a first contact arm extending from the first main body exposed in the first slot and a first soldering extending from the first main body The feet extend out of the insulating body; a plurality of second terminals are arranged in a row, and the second terminal has a second main body disposed in the insulating body, and a second contact arm extending from the main body is exposed on the The second slot and an extension extending from the second main body roughly extend toward the side of the insulating body where the first soldering leg is located, and cross the bottom of the first slot, from the The extension part extends a second soldering leg protruding from one side of the insulating body where the first soldering leg is located.

Further, the length of the first welding leg beyond the side of the insulating body is greater than the length of the second welding leg beyond the side of the insulating body.

Further, the second welding leg is lower than the extension part.

Further, a resisting arm extends from the main body, the first contact arm and the resisting arm are located on opposite sides of the second slot for contacting a mating connector, extending from the resisting arm A holding portion is fixed to the insulating body, and the extension portion is connected to the first contact arm.

Further, a resisting arm is extended from the main body, a connecting portion is extended from the resisting arm to connect the second contact arm, and the second contact arm and the resisting arm are located in the second slot The opposite two sides are used to contact a mating connector, and the main body is provided with a holding portion which is fixed to the insulating body.

Further, the extension part straddles the bottom of the second slot.

Further, the second terminal also has a supporting leg that is non-welded and supported on a circuit board, and the supporting leg and the second soldering leg protrude from opposite sides of the insulating body respectively.

Further, a holding portion extending from the support leg is fixed on the insulating body, and the insulating body is provided with a hollow slot under the holding portion.

Further, a groove is provided on the bottom surface of the insulating body corresponding to the extension, and the extension is accommodated in the groove.

Further, the extension part is provided with a protrusion to engage with the groove.

Further, the second welding leg is welded to a circuit board, and the extension part extends along the upper surface of the circuit board.

Further, the extension part is parallel to the upper surface of the circuit board.

Further, the insulating body forms a protruding strip between the first slot and the second slot, and the first contact arms and the second contact arms are accommodated in the protruding strip so as to alternate with each other.

Compared with the prior art, the first welding leg of the first terminal of the board-to-board connector of the utility model and the second welding leg of the second terminal are located on the same side of the insulating body, so that only Wiring the first welding leg and the second welding leg at one side is convenient for operation and saves space.

【Description of drawings】

Fig. 1 is a three-dimensional exploded view of the first embodiment of the board-to-board connector of the present invention;

Fig. 2 is a three-dimensional exploded view in another direction of the first embodiment of the board-to-board connector of the present invention;

Fig. 3 is a cross-sectional view of the first embodiment of the board-to-board connector of the present invention at the position of the first terminal;

Fig. 4 is a cross-sectional view of the first embodiment of the board-to-board connector of the present invention at the position of the second terminal;

Fig. 5 is a three-dimensional exploded view of the second embodiment of the board-to-board connector of the present invention;

6 is a cross-sectional view of the second embodiment of the board-to-board connector of the present invention at the position of the second terminal;

FIG. 7 is a three-dimensional exploded view of the third embodiment of the board-to-board connector of the present invention.

Description of the accompanying drawings for specific embodiments:

Insulation body 1 first slot 11 second slot 12

Rib 13 First side wall 14 Second side wall 15

First storage slot 141 Second storage slot 151 Groove 16

First terminal 2 First contact arm 21 First body part 22

The first resisting arm 23 The first holding part 24 The first welding pin 25

Second terminal 3 Second contact arm 31 Second body part 32

The second resisting arm 33 The second holding part 34 The second welding pin 35

extension 36 support foot 37 empty slot 17

Fastener 5 First connecting part 28 Second connecting part 38

First bump 281 Second bump 381 First spur 231

Second spur 331 Protrusion 361

【detailed description】

In order to facilitate a better understanding of the purpose, structure, features, and effects of the utility model, the utility model will be further described in conjunction with the accompanying drawings and specific embodiments.

As shown in Figures 1 to 4, it is the first embodiment of the board-to-board connector of the present invention, which is used to electrically connect a circuit board (not shown) and a mating connector (not shown), which includes a An insulating body 1 , a row of first terminals 2 and a row of second terminals 3 fixed to the insulating body 1 , and fixing pieces 5 fixed to both ends of the insulating body 1 .

As shown in Fig. 1 and Fig. 2, the insulating body 1 is roughly rectangular in shape, and its length direction is defined as front and rear, and its width direction is left and right. The slot 11 and a second slot 12 are used for the mating connector (not shown) to be inserted in a direction perpendicular to the circuit board (not shown), and the first slot 11 and the second plug There is a raised strip 13 between the slots 12 for positioning with the butt connector (not shown), and a first side wall 14 is provided on the left side of the first slot 11, and the first side wall 14 is provided with There are a plurality of first receiving grooves 141 arranged along the front-rear direction for receiving the first terminals 2, and the first receiving grooves 141 extend to the bottom wall of the first slot 11 and the left side of the protruding strip 13. There is a second side wall 15 on the right side of the second slot 12, and the second side wall 15 is provided with a plurality of second receiving grooves 151 arranged along the front and rear directions for receiving the second terminals 3, The second receiving grooves 151 and the first receiving grooves 141 are alternately arranged, and the second receiving grooves 151 extend to the bottom wall of the second slot 12 and the right side of the protruding strip 13, from the A bottom end of the second receiving groove 151 extends to the left and a groove 16 runs through the first side wall 14 to the left.

As shown in Figure 1, Figure 3 and Figure 4, the first terminal 2 and the second terminal 3 are formed by blanking, and the first terminal 2 is correspondingly accommodated in the first receiving groove 141, and the first terminal 2. A first contact arm 21 is located on the right side of the first slot 11, extending leftward from the bottom end of the first contact arm 21. A first main body 22 is accommodated in the first slot 11. Bottom wall, extending upward from the first main body portion 22, a first abutting arm 23 is located on the left side of the first slot 11, the first abutting arm 23 and the first contact arm 21 contact the The docking connector (not shown), extends leftward from the bottom end of the first resisting arm 23 to a first holding portion 24, and the first holding portion 24 extends into the first side wall 14 and Interfering with the first side wall 14, there is a gap between the bottom end of the first holding portion 24 and the circuit board (not shown), from the first holding portion 24 first down and then to the left A first welding leg 25 is extended for welding to the circuit board (not shown), and the first welding leg 25 protrudes from the left side of the insulating body 1; the second terminal 3 is correspondingly accommodated in the first Two receiving grooves 151, the second terminal 3 has a second contact arm 31 located on the left side of the second slot 12, from the bottom end of the second contact arm 31 to the left parallel to the circuit board ( (not shown) extends an extension 36 to be accommodated in the groove 16, the extension 36 crosses the bottom of the first slot 11, and extends downward from the extension 36 to the left for a second welding The feet 35 are used to be welded to the circuit board (not shown), and the second welding feet 35 and the extension 36 are not on the same plane to ensure the flatness of the second welding feet 35. The legs 35 protrude from the left side of the insulating body 1 and are arranged alternately with the first welding legs 25, and the length of the second welding legs 35 beyond the left side of the insulating body 1 is less than the length of the first welding legs 25. The length of the left side of the insulating body 1 is used to prevent the adjacent welding legs from sticking together during welding to cause a short circuit. A second main body 32 extends rightward from the bottom end of the second contact arm 31 and is accommodated in the The bottom wall of the second slot 12 extends upward from the second main body 32. A second abutting arm 33 is located on the right side of the second slot 12. The second abutting arm 33 and the The second contact arm 31 contacts the docking connector (not shown), and extends rightward from the bottom end of the second resisting arm 33 to a second holding portion 34, and the second holding portion 34 extends into the In the second side wall 15 and interference fit with the second side wall 15, there is a gap between the bottom end of the second holding portion 34 and the circuit board (not shown), and the insulating body 1 is positioned on the second side wall 15. A hollow groove 17 is disposed below the second holding portion 34 .

The welding legs of the two rows of terminals of the butt connector (not shown) may also be located on the same side of the insulating body.

As shown in Figure 5 and Figure 6, it is the second embodiment of the board-to-board connector of the present invention, which is different from the first embodiment in that: a supporting foot extends rightward from the second holding part 34 37 beyond the right side of the insulating body 1, the supporting leg 37 is supported on the circuit board (not shown), and is held by the first soldering leg 25 welded on the circuit board (not shown). balance, so as to ensure the flatness of the electrical connector, in this embodiment, the support pin 37 is not welded with the circuit board (not shown), in other embodiments, the support pin 37 can also be soldered to the circuit board (not shown).

As shown in Fig. 7, it is the third embodiment of the board-to-board connector of the present invention, which differs from the first embodiment only in the terminals, so other structures will not be repeated.

The first terminal 2 and the second terminal 3 are formed by blanking, the first terminal 2 is correspondingly accommodated in the first receiving groove 141, and the first terminal 2 has a first contact arm 21 located in the first receiving groove 141. On the right side of the first slot 11, a first connecting portion 28 extending leftward from the bottom end of the first contact arm 21 is accommodated in the bottom wall of the first slot 11, and the first connecting portion 28 A first protruding block 281 is provided on both sides to engage with the bottom wall of the first slot 11, and a first resisting arm 23 extending upward from the first connecting portion 28 is located at the bottom wall of the first slot 11. On the left side, a first protrusion 231 is provided on both sides of the first resisting arm 23 to engage with the first side wall 14, and the first resisting arm 23 and the first contact arm 21 contact the The docking connector (not shown), extends from the top of the first resisting arm 23 to the left and then extends downward to form a first main body 22, and the first main body 22 overlaps the first main body 22. Outside the side wall 14, a first holding portion 24 extends from both sides of the first main body portion 22 to engage with the first side wall 14, and a first holding portion 24 extends leftward from the first main body portion 22. The soldering pin 25 is used for soldering to the circuit board (not shown), the first soldering pin 25 protrudes from the left side of the insulating body 1; the second terminal 3 is correspondingly accommodated in the second receiving groove 151 , the second terminal 3 has a second contact arm 31 located on the left side of the second slot 12, a second connecting portion 38 extending rightward from the bottom end of the second contact arm 31 is accommodated in the The bottom wall of the second slot 12, the two sides of the second connecting portion 37 are respectively provided with a second protrusion 381 to engage with the bottom wall of the second slot 12, extending upward from the second connecting portion 38 A second resisting arm 33 is located on the right side of the second slot 12, and the two sides of the second resisting arm 33 are respectively provided with a second protrusion 331 to engage with the second side wall 15. The second resisting arm 33 and the second contact arm 31 contact the mating connector (not shown), and extend from the top of the second resisting arm 33 to the right and then downward to form a second main body part 32, the second main part 32 overlaps the outside of the second side wall 15, and a second holding part 34 extends from both sides of the second main part 32 to engage with the second side wall 15. Hold, from the bottom end of the second main body 32 to extend to the left parallel to the circuit board (not shown), an extension 36 is accommodated in the groove 16, and the two sides of the extension 36 are provided with protrusions. The extension 361 is engaged with the groove 16, the extension 36 crosses below the first slot 11 and the second slot 12, and extends downward from the extension 36 to the left for a second welding The feet 35 are used to be welded to the circuit board (not shown), and the second welding feet 35 and the extension 36 are not on the same plane to ensure the flatness of the second welding feet 35. The legs 35 protrude from the left side of the insulating body 1 and are arranged alternately with the first welding legs 25, and the length of the second welding legs 35 beyond the left side of the insulating body 1 is less than the length of the first welding legs 25. The insulating body 1 The length on the left side is to prevent the adjacent soldering feet from sticking together during soldering and causing a short circuit.

The utility model has the following beneficial effects:

1. Since the first welding leg 25 of the first terminal 2 of the board-to-board connector of the present invention and the second welding leg 35 of the second terminal 3 are located on the same side of the insulating body 1, so that the first welding leg 25 and the second welding pin 35 only need to be wired on one side of the insulating body 1, which is convenient for operation and saves space.

2. Since the length of the second welding leg 35 beyond the left side of the insulating body 1 is smaller than the length of the first welding leg 25 beyond the left side of the insulating body 1, it can prevent adjacent welding legs from sticking to each other during welding. together to cause a short circuit.

3. Since the second terminal 3 also has a supporting foot 37 supported on the circuit board (not shown), the supporting foot 37 and the second soldering foot 35 extend beyond the two opposite sides of the insulating body 1 respectively. side, so that both sides of the electrical connector are simultaneously supported on the circuit board (not shown) so as to ensure the flatness of the electrical connector.

The above detailed description is only a description of the preferred embodiment of the utility model, and does not limit the patent scope of the utility model. Therefore, all equivalent technical changes made by using the instructions and illustrations of this creation are included in this creation. within the scope of the patent.

Claims (13)

1. A board-to-board connector, characterized in that it comprises: An insulating body, the top surface of the insulating body is recessed with a first slot and a second slot; A plurality of first terminals in a row, the first terminal has a first main body disposed in the insulating body, a first contact arm extending from the first main body is exposed in the first slot and extending a first welding leg from the first main body to protrude out of the insulating body; A plurality of second terminals in a row, the second terminal has a second main body disposed in the insulating body, a second contact arm extending from the second main body is exposed in the second slot and Extending from the second main body, an extension roughly extends toward the side of the insulating body where the first welding leg is located, and crosses under the first slot, and extends a second welding from the extension The legs protrude from one side of the insulating body where the first soldering legs are located. 2. The board-to-board connector according to claim 1, wherein the length of the first soldering leg beyond the side of the insulating body is greater than the length of the second soldering leg beyond the side of the insulating body . 3. The board-to-board connector according to claim 1, wherein the second soldering leg is lower than the extension portion. 4. The board-to-board connector according to claim 1, wherein a resisting arm extends from the main body, and the first contact arm and the resisting arm are located opposite to the second socket. The two sides are used to contact a mating connector, a holding portion extending from the abutting arm is fixed to the insulating body, and the extension portion is connected to the first contact arm. 5. The board-to-board connector according to claim 1, wherein a resisting arm extends from the main body, and a connecting portion extends from the resisting arm to connect with the second contact arm, the The second contact arm and the abutting arm are located on opposite sides of the second slot for contacting a mating connector, and a holding portion extends from the main body to hold the insulating body. 6 . The board-to-board connector as claimed in claim 1 , wherein the extension part straddles the bottom of the second slot. 7 . 7. The board-to-board connector according to claim 1, characterized in that: the second terminal also has a supporting leg non-welded to support a circuit board, the supporting leg and the second soldering leg are respectively beyond the opposite sides of the insulating body. 8 . The board-to-board connector as claimed in claim 7 , wherein a holding portion extending from the supporting leg is fixed on the insulating body, and the insulating body is provided with an empty slot under the holding portion. 9 . 9 . The board-to-board connector according to claim 1 , wherein a groove is formed on the bottom surface of the insulating body corresponding to the extending portion, and the extending portion is accommodated in the groove. 10 . 10 . The board-to-board connector according to claim 9 , wherein a protrusion is provided on the extension part to engage with the groove. 11 . 11. The board-to-board connector as claimed in claim 1, wherein the second soldering leg is soldered to a circuit board, and the extension part extends along the upper surface of the circuit board. 12. The board-to-board connector according to claim 11, wherein the extending portion is parallel to the upper surface of the circuit board. 13. The board-to-board connector according to claim 1, wherein the insulating body forms a raised strip between the first slot and the second slot, and the first contact arm and the second contact arm are accommodated in the protruding strip so as to alternate with each other.