TWM553062U - Plug connector and receptacle connector - Google Patents

Description

Plug connector and socket connector

The present invention relates to a connector assembly, and more particularly to a plug connector and a socket connector that are soldered to a board.

Electrical connectors have been widely used for transmitting signals or transmitting power. In the prior art, the plug connector and the socket connector are generally connected by the cooperation of the tongue and the insertion cavity or blindly inserted, and the result of the operation is that after multiple insertion and removal errors, the plug is Both the connector and the socket connector cause damage.

To make matters worse, because the terminals of the plug connector or the socket connector are fixed in the plug or socket connector by perforation, and then soldered to the circuit board by soldering, multiple plugging will cause the terminal and the plug or Looseness between the insulative bodies of the receptacle connectors results in instability of contact between the terminals when the subsequent plug connectors and receptacle connectors are docked.

In view of this, it is necessary to further improve the conventional plug connector and socket connector to solve the above problems.

The purpose of this creation is to provide a plug connector and a socket connector that are smoothly inserted into each other.

In order to achieve the above object, the present invention provides a plug connector including a first insulative housing and a plurality of first terminals mounted in the first insulative housing, the first insulative housing being provided with a first body portion, from the first a first abutting portion extending upwardly from the main body portion and a plurality of first terminal fixing grooves extending through the first main body portion, each of the first terminals is provided with a first fixing portion fixed in the fixing groove of the first terminal, The first fixing portion extends downwardly beyond the first welding portion of the bottom end surface of the first body portion and the first contact portion extending upward from the first fixing portion and received in the first abutting portion, the first insulating body is further provided At least one guiding portion extending upward from the first body portion, the at least one guiding portion being located on one side of the first abutting portion.

As a further improvement of the present invention, the at least one guiding portion includes two guiding portions disposed at two ends of the first abutting portion along the width direction of the plug connector, and the two guiding portions are asymmetrically disposed on the left and right sides.

As a further improvement of the present invention, the first terminal is integrally formed by stamping, and the thickness of the first terminal is not less than 0.1 mm.

As a further improvement of the present invention, the width of the first soldering portion of the first terminal is not less than 0.45 mm, and the first fixing portion is further provided with a first reinforcing portion that is outwardly offset from the surface of the first fixing portion.

As a further improvement of the present invention, the thickness of the aforementioned first terminal is 0.2 mm.

As a further improvement of the present invention, the first contact portion of the first terminal is received in the first terminal receiving groove, and the first contact portion is provided with a back surface facing the first terminal receiving groove and a first surface opposite to the back surface The first contact surface is exposed to the outside of the contact surface.

As a further improvement of the present invention, the first terminal further includes a barb protruding outward from both sides of the first contact portion, the barb interfering with the inner wall of the first terminal receiving groove to fix the first contact portion The first terminal is received in the slot.

The present invention also provides a socket connector, comprising a second insulating body and a plurality of second terminals mounted in the second insulating body, wherein the second insulating body is provided with a second body portion at the bottom of the second body portion a second abutting surface of the end and a receiving cavity formed by the second butt surface facing upwardly, the receiving cavity is configured to receive the first butting portion of the plug connector, and the second terminal is provided with the first exposed terminal The second body portion further includes at least one guiding groove on a side of the receiving cavity, and the guiding groove communicates with the receiving cavity to the left and right.

As a further improvement of the present invention, the second insulative housing further includes a second tongue extending downward from the second body portion and received in the receiving cavity, and a plurality of second terminals disposed on the second tongue. In the slot, the second contact portions of the plurality of second terminals are respectively received in the second terminal receiving groove.

As a further improvement of the present invention, the second body portion further includes a second terminal fixing groove penetrating vertically and communicating with the second terminal receiving groove, and the second terminal is fixed in the second terminal fixing groove. The second fixing portion and the second welding portion extending upward from the second fixing portion beyond the distal end surface of the second body portion, wherein the width of the second welding portion is not less than 0.45 mm.

Compared with the prior art, the present invention provides a guiding groove matched with the guiding portion on the socket connector by providing a guiding portion on the plug connector, so that the plug connector and the socket connector are better matched. Plug in.

900‧‧‧First board

800‧‧‧second board

100, 100'‧‧‧ plug connector

1, 1'‧‧‧ first insulating body

11‧‧‧ First Body Department

110‧‧‧First terminal fixing groove

111‧‧‧ bottom end

112‧‧‧First abutment

12‧‧‧First docking

121‧‧‧First tongue

120‧‧‧First accommodation chamber

1210‧‧‧First terminal receiving slot

13, 13' ‧ ‧ left guide

14, 14' ‧ ‧ right guide

140‧‧‧Limited slot

15‧‧‧First mounting feet

2, 2'‧‧‧ first terminal

21‧‧‧First contact

211‧‧‧ barbed

212‧‧‧Back

213‧‧‧ first contact surface

22‧‧‧First Fixed Department

23, 23'‧‧‧ First Welding Department

231‧‧‧First welding surface

24‧‧‧ Strengthening Department

25‧‧‧Interference Department

200, 200'‧‧‧ socket connector

3, 3'‧‧‧Second insulation body

30‧‧‧ containment chamber

31‧‧‧Second body

310‧‧‧Left guide slot

311‧‧‧right guide slot

312‧‧ ‧ partition

313‧‧‧ top surface

315‧‧‧ inner wall

316‧‧‧Second terminal fixing groove

32‧‧‧Second docking surface

33‧‧‧second tongue

330‧‧‧Second terminal receiving slot

34‧‧‧Second mounting feet

4, 4'‧‧‧ second terminal

41‧‧‧Second contact

42‧‧‧Second fixed department

421‧‧‧Flexible abutment arm

43, 43'‧‧‧Second Welding Department

431‧‧‧Second welding surface

44‧‧‧ Second Strengthening Department

The first figure is a perspective view of the first embodiment of the present invention in which the plug connector and the socket connector are mated and soldered to each other on the circuit board.

The second figure is a perspective view of the first embodiment of the present invention in which the plug connector and the socket connector and the respective soldered circuit boards are separated from each other.

The third figure is a perspective exploded view of the plug connector and the socket connector in the first embodiment of the present invention.

The fourth figure is a perspective exploded view of the plug connector and the socket connector in another angle in the third figure.

The fifth figure is a perspective view of the second embodiment of the present invention in which the plug connector and the socket connector are inserted and matched with each other.

The sixth figure is a perspective exploded view of the plug connector and the socket connector in the second embodiment of the present invention.

In order to clarify the purpose, technical solutions, and advantages of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Referring to the first to fourth figures, the present disclosure discloses an electrical connector assembly (not labeled), the electrical connector assembly including a plug connector 100 and a mating connector plug 100 The socket connector 200 is soldered to the first circuit board 900, and the socket connector 200 is soldered to the second circuit board 800.

The plug connector 100 includes a first insulative housing 1 and a plurality of first terminals 2 mounted in the first insulative housing 1. The first insulative housing 1 is provided with a first body portion 11 , a first abutting portion 12 extending upward from the first body portion 11 , a left guiding portion extending to the left side of the first abutting portion 12 and extending upward from the first body portion 11 . The guiding portion 13 is located on the right side of the first butting portion 12 and from the first body portion 11 The right guiding portion 14 extending upward and the plurality of first mounting legs 15 projecting downward from the bottom of the first body portion 11 are provided.

The first body portion 11 is provided with a bottom end surface 111 at the bottom and a first abutting surface 112 at the top. The first abutting portion 12, the left guiding portion 13 and the right guiding portion 14 are all from the first one. The junction 112 extends upward. The first mounting leg 15 protrudes downward from the bottom end surface 111. The right guiding portion 14 is provided with a limiting groove 140 formed by being recessed downward in the middle. The left guiding portion 13 and the right guiding portion 14 are disposed asymmetrically left and right.

The first abutting portion 12 is provided with three first tongue plates 121 disposed in parallel and a first accommodating cavity 120 between the adjacent two first tongue plates 121. The first surface of the first tongue plate 121 is further provided with a plurality of first terminal receiving grooves 1210 formed by recesses. The first terminal receiving groove 1210 extends in the up and down direction and penetrates the first tongue plate 121 outward. The first main body portion 11 is provided with a first terminal fixing groove 110 penetrating vertically, and the first terminal fixing groove 110 is vertically connected to the first terminal receiving groove 1210 and communicates with each other.

The first terminal 2 is provided with a first fixing portion 22 fixed in the first terminal fixing groove 110, a first contact portion 21 extending upward from the first fixing portion 22 and housed in the first terminal receiving groove 1210. The first fixing portion 22 extends downwardly beyond the first welding portion 23 of the bottom end surface 111, and the reinforcing portion 24 is formed on the two sides of the first fixing portion 22, and is located below the reinforcing portion 24 from the first The interference portion 22 protruding outward from the fixing portion 22 and the barbs 211 protruding outward from the first terminal receiving groove 1210 from the both sides of the first contact portion 21 are protruded outward.

The first contact portion 21 is provided with a back surface 212 facing the first terminal receiving groove 1210 and a first contact surface 213 opposite to the back surface 212. The first contact surface 213 is exposed to the outside. The reinforcing portion 24 is received in the first terminal fixing groove 110 for reinforcing the fixing strength of the first terminal 2. before An interference is formed between the interference portion 25 and the first terminal fixing groove 110 to better fix the first terminal 2 in the first terminal fixing groove 110. In the first embodiment, the first welded portion 23 is formed by being bent, and has a first welded surface 231 parallel to the bottom end surface 111. The first terminal 2 is integrally formed by stamping, and the thickness of the first terminal 2 is not less than 0.1 mm. The width of the first welded portion 23 is not less than 0.45 mm. In the first embodiment, the width of the first welded portion 23 is 0.55 mm. By arranging, the soldering area of the first terminal 2 and the first circuit board 900 is increased, so that the first terminal 2 is better connected to the first circuit board 900.

The socket connector 200 is provided with a second insulative housing 3 and a plurality of second terminals 4 mounted in the second insulative housing 3. The second insulative housing 3 is provided with a second main body portion 31 located at the second main body portion. a second abutting surface 32 at the bottom end of the 31, a receiving cavity 30 formed by recessing from the second abutting surface 32, a second tongue 33 extending downward from the second body portion 31 and received in the receiving cavity 30, The two ends of the socket connector 200 are respectively configured to receive two left guiding slots 310 and right guiding slots 311 of the left guiding portion 13 and the right guiding portion 14 of the plug connector 100, and the second guiding body The second mounting leg 34 extends upwardly from the top end of the portion 31.

The left guiding slot 310 is a cavity extending upward and downward, and the cavity is connected to the left and right of the receiving cavity 30. The right guiding groove 311 is a cavity extending vertically and communicating with the receiving cavity 30, and the second body portion 31 is further provided with a partition 312 extending up and down and separating the right guiding groove 311 from front to back. The receiving cavity 30 is configured to receive the first butting portion 12 of the plug connector 100. The left guiding slot 310 is configured to receive the left guiding portion 13 , and the right guiding slot 14 is configured to receive the right guiding portion 14 . The partition plate 312 is received in the limiting slot 140 of the right guiding portion 14 and at the same time achieves a limit fit of the right guiding portion and the limiting slot 140.

The second body portion 3 is provided with a top end surface 313 at the top and a second abutting surface 32 at the bottom. The receiving cavity 30, the left guiding groove 310 and the right guiding groove 311 are all from the second abutting surface 32. Extends upwards. The second mounting leg 34 protrudes upward from the front end surface 313.

The second body portion 3 partitions the receiving cavity 30 into a plurality of second receiving cavities (not labeled) toward the inner wall 315 of the receiving cavity 30 and the adjacent second tongue 33. The two sides of the inner wall 315 and the second tongue 33 are further provided with a plurality of second terminal receiving grooves 330 formed by recesses. The second terminal receiving groove 330 extends in the vertical direction and communicates with the second receiving cavity. The second terminal receiving groove 330 extends outward through the second tongue plate 33 and the inner wall 315. The second main body portion 31 is provided with a second terminal fixing groove 316 penetrating vertically, and the second terminal fixing groove 316 is vertically connected to the second terminal receiving groove 330 and communicates with each other. The assembly of the second terminal 4 is facilitated by the arrangement.

The second terminal 4 is provided with a second fixing portion 42 fixed in the second terminal fixing groove 316, a second welding portion 43 extending upward from the second fixing portion 42 beyond the top end surface 313, and the second fixing portion The portion 42 extends downwardly from the second contact portion 41 received in the second terminal receiving groove 330 and the second reinforcing portion 44 that protrudes outward from the second fixing portion 42 and deviates from the plane of the second body portion 42 . The second contact portion 42 is provided with an elastic abutting arm 421 that protrudes into the receiving cavity 30 outward.

In the first embodiment, the second welded portion 43 is formed by being bent, and has a second welded surface 431 that is parallel to the distal end surface 313. The second terminal 4 is integrally formed by stamping, and the thickness of the second terminal 4 is not less than 0.1 mm. The width of the second welded portion 43 is not less than 0.45 mm. In the first embodiment, the width of the second welded portion 43 is 0.55 mm. By arranging, the soldering area of the second terminal 4 and the second circuit board 800 is increased, so that the second terminal 4 is better connected to the second circuit board 800.

When the plug connector 100 and the socket connector 200 are connected to each other, the first butt joint 12 of the plug connector 100 is received in the receiving cavity 30, the first tongue The second tongue 33 is received in the first accommodating cavity 120, and the left guiding portion 13 is received in the left guiding slot 310, and the right guiding portion is disposed. 14 is received in the right guiding groove 311, and the partition plate 312 is confined in the limiting groove 140. The first abutting surface 112 of the first body portion 11 abuts the second abutting surface 32 of the second body portion 31 . The elastic abutting arm 421 of the second terminal abuts against the first contact surface 213 of the first contact portion 21, thereby achieving electrical connection between the plug connector 100 and the socket connector 200.

Please refer to the fifth to sixth figures for the plug connector 100' and the socket connector 200' disclosed in the second embodiment of the present invention. In the embodiment, the plug connector 100' and the socket connector 200' are The structure is substantially the same as that of the plug connector 100 and the socket connector 200 in the first embodiment. The plug connector 100' is provided with a first insulative housing 1' and a plurality of first terminals mounted in the first insulative housing 1'. 2'. The socket connector 200' is provided with a second insulative housing 3' and a plurality of second terminals 4' mounted in the second insulative housing 3'. The difference between this embodiment and the first embodiment is that the first soldering portion 23' of the first terminal 2' of the plug connector 100' is upright, and the second terminal 4' of the socket connector 200' is The second welded portion 43' is also upright, and the other structures are the same, and will not be described herein.

In summary, the present plug connector 100, 100' and the socket connector 200, 200' are connected to the left guiding slot 310 by the left guiding portion 13, 13', the right guiding portion 14, 14' The cooperation of the right guiding groove 311 enables the plug connector 100, 100' to be better plug-fitted with the socket connector 200, 200'; in addition, by the first terminal 2, 2' and the second terminal 4, 4 The thickness of each of the first weld portions 23, 23' and the second weld portions 43, 43' is set to be less than 0.45 mm, preferably 0.55 mm, thereby increasing the thickness. a terminal 2, 2' and the first circuit board 900, the second end The solder areas of the sub- 4, 4' and the second circuit board 800 enhance the soldering stability of the plug connectors 100, 100' and the receptacle connectors 200, 200'.

It is to be understood that the equivalent changes to the present invention made by the teachings of the present invention should be included in the scope of the present invention.

1‧‧‧First Insulation Body

2‧‧‧First terminal

3‧‧‧Second insulation body

4‧‧‧second terminal

100‧‧‧ plug connector

200‧‧‧ socket connector

Claims (10)

A plug connector includes a first insulative housing and a plurality of first terminals mounted in the first insulative housing, the first insulative housing is provided with a first body portion, and a first mating portion extending upward from the first body portion And a plurality of first terminal fixing grooves extending through the first body portion up and down, each of the first terminals is provided with a first fixing portion fixed in the first terminal fixing groove, and extending downward from the first fixing portion beyond the foregoing a first soldering portion of the bottom end surface of the first body portion and a first contact portion extending upwardly from the first fixing portion in the first mating portion, wherein the first insulating body is further provided upward from the first body portion And protruding at least one guiding portion, wherein the at least one guiding portion is located on one side of the first abutting portion. The plug connector of claim 1, wherein the at least one guiding portion includes two guiding portions disposed at two ends of the first abutting portion along the width direction of the plug connector, the two The guiding portion is asymmetrically arranged left and right. The plug connector of claim 1, wherein the first terminal is integrally formed by stamping, and the thickness of the first terminal is not less than 0.1 mm. The plug connector of claim 1, wherein the first soldering portion of the first terminal has a width of not less than 0.45 mm, and the first fixing portion is further disposed outwardly offset from the first fixing portion. The first reinforcement in the face. The plug connector of claim 3, wherein the first terminal has a thickness of 0.2 mm. The plug connector of claim 5, wherein the first contact portion of the first terminal is received in the first terminal receiving groove, and the first contact portion is disposed toward the back of the first terminal receiving groove And a first contact surface opposite to the back surface, the first contact surface being exposed to the outside. The plug connector of claim 6, wherein the first terminal further has a barb protruding outward from both sides of the first contact portion, and the barb interferes with an inner wall of the first terminal receiving groove. The first contact portion is fixed in the first terminal receiving groove. A socket connector is provided with a second insulative housing and a plurality of second terminals mounted in the second insulative housing, wherein the second insulative housing is provided with a second body portion and a second butt joint at a bottom end of the second body portion And a first receiving portion of the plug connector according to any one of the first to seventh aspects of the invention, wherein the first The second terminal is provided with a second contact portion exposed in the receiving cavity, wherein the second body portion further includes at least one guiding groove on a side of the receiving cavity, and the guiding groove communicates with the receiving cavity to the left and right. The socket connector of claim 8, wherein the second insulating body further comprises a second tongue extending downward from the second body portion and received in the receiving cavity, and a recess is disposed on the second tongue. And a plurality of second terminal receiving slots on the board, wherein the second contact portions of the plurality of second terminals are respectively received in the second terminal receiving slots. The socket connector of claim 9, wherein the second body portion further has a second terminal fixing groove penetrating vertically and communicating with the second terminal receiving groove, wherein the second terminal is fixed to the second terminal a second fixing portion in the second terminal fixing groove and a second welding portion extending upward from the second fixing portion beyond the front end surface of the second body portion, wherein the width of the second welding portion is less than 0.45 mm.