TWM327104U - Board-to-board connector - Google Patents

Description

M327104 VIII. New Description: [New Technology Field] The present invention relates to a board-to-board connector, and more particularly to a terminal structure of a board-to-board connector. [Prior Art]

Referring to the tenth figure, a conventional board-to-board connector structure is disclosed. The board-to-board connector includes a socket and a socket terminal. The socket has a bottom plate 31, and a pair of longitudinal side walls 32 project upwardly from opposite sides of the bottom plate 31. A pair of lateral side walls (not shown) protrude upward from opposite ends of the bottom plate 31. The bottom plate 31 protrudes from the middle portion into a nesting portion 34. The nesting portion 34 defines a receiving cavity 35 with the longitudinal direction 32 and the lateral side wall. The bottom surface of the bottom plate 31 is upwardly provided with a first receiving groove 371 extending laterally. At the outermost end of the first receiving groove 371, the longitudinal side wall 32 is provided with a second receiving groove 372 extending upward and downward and communicating with the outside. A third receiving groove 374 extending upward and downward and communicating with the socket receiving cavity 35 is formed in the nesting portion 34 at the inner end of the first receiving groove 371. The socket terminal includes a first base portion 41 received in the first receiving groove 371. The first base portion 41 extends downwardly and outwardly from the outer end to form a first soldering portion 42 . The first base portion 41 extends upwardly at the end to form a first soldering portion 42 and is received in the second receiving slot 372 . Side branch 43. The first base portion 41 further extends upward at the inner end to form an elastic contact portion 45 received in the third receiving groove 374. The top end of the elastic contact portion 45 protrudes outward to form a contact head 47, and the contact portion 47 of the M327104 protrudes into the receiving cavity 35. However, the above structural design is such that when the first soldering portion 42 of the socket terminal is soldered to the external circuit board, the excess solder of the socket terminal soldering portion can be sucked to the first base portion 41 and overflowed to Contact area of the socket terminal, resulting in poor contact. [New content]

The purpose of this creation is to provide a board-to-board connector that prevents the contact area of the terminal from being attracted to the terminal in view of the above-mentioned deficiencies. , shipped into the above seat and plug. The socket has a socket body and a plurality of female terminals. The socket body has a base plate, two longitudinally extending first and second protrusions protruding upwardly from both sides of the substrate, and two lateral extensions protruding upwardly from opposite ends of the substrate: the second side wall The mother substrate slot is respectively formed on the first side wall of the substrate, the two first side walls and the two second side walls. The mother sample has a female terminal slot and a second female terminal slot, and the first-side female side wall is opened downwardly and extends laterally through the first-receiving second-two slot. One end of the slot extends downwardly and communicates with the receiving cavity-· Two-: (4) a receiving groove extending downwardly and extending through the horizontally extending strip-shaped first base receiving groove and extending upwardly to form a recessed end extending downwardly into a trough The first base portion extends downward to form a first soldering portion received in the third receiving groove, and the first soldering portion is bent and extended at the lower end of the first soldering portion. The plug has a plug body and a plurality of male terminals housed in the plug body.

In summary, the board-to-board connector has a socket body between the first contact portion and the first soldering portion due to the first female terminal slot, and when the board-to-board connector is soldered to the circuit board, The excess solder can be led to the outside by the first soldering portion through the third receiving slot, and the barrier of the socket body between the second receiving slot and the third receiving slot prevents the solder from being sucked into the contact area of the female terminal. Affect the contact. [Embodiment] In order to explain in detail the technical contents, structural features, achieved goals and effects of the present invention, the following is a detailed description with reference to the drawings. Referring to the first figure, the board-to-board connector 1 of the present invention includes a socket 10 and a plug 20. The socket 10 and the plug 20 are respectively surface-mounted on a printed circuit board (not shown) to be connected to the circuit on the printed circuit board, so that the two printed circuit boards are achieved by the plug-in cooperation of the socket 10 and the plug 20. Electrical connection. Referring to the second figure, the socket 10 includes a socket body 11, a plurality of female terminals 12 and two socket fastening terminals 13 received in the socket body 11. The socket body 11 has a substantially rectangular parallelepiped shape and has a flat substrate M327104 111. The opposite side of the substrate (1) protrudes upwardly from the first side wall 112 extending in the longitudinal direction, and the substrate lu protrudes upwardly from the opposite ends to a second side wall 113, and the second side wall 113 is located on the _ side The β-knife in the middle of the wall 112 is recessed. The first-side wall 112, the second side wall h3 and the substrate (1) enclose a receiving cavity m. The first side wall ιΐ2 of the socket body u is provided with a plurality of equal intervals along the longitudinal direction and connected to the receiving chamber ιΐ4

The female mother 彳a 115' female terminal slot 115 is for receiving the corresponding female terminal 12. Each of the second side walls 113 has a socket card slot 116 ′ extending through the first socket 1-3 and extending downwardly from the center of the second side wall 113. The socket card slot 116 is a vertical slot 119. Referring to the second and fourth figures, the female terminal slot 115 has a first female terminal slot 117 and a first female terminal slot 118. The first female terminal slot 117 has a first receiving slot 117 defined by a top surface of the first side wall 112 and extending laterally through the first side wall ι 2, and is extended downwardly from the first receiving slot 1171. a second receiving slot 1172 communicating with the cavity 114 and a third receiving slot 1173 extending downwardly from the central portion of the first receiving slot 1171 and penetrating the first side wall 112 and the first receiving slot 1171 adjacent to the third receiving slot 1173 The fourth receiving slot 74 extending through the first side wall 12 is formed. The second female terminal slot 118 has a second female terminal slot 118 extending from the top surface of the first side wall 112 and extending transversely through the first side wall 112. The fifth receiving slot U81 and the second/receiving groove 1182 extending from one end of the eighth receiving slot 1181 and extending from the receiving cavity 114 and extending downwardly from the central portion of the fifth receiving slot 1181 The eighth receiving groove 1184 of the first side wall 112 and the seventh receiving groove 1183 extending through the first receiving wall 112 from the fifth receiving groove 1181 are formed. Referring to the fifth and sixth figures, the female terminal 12 has a first female terminal 121 and a second female terminal 122. The first female terminal 121 has a longitudinally extending first base portion 1211. The first base portion 1211 extends downwardly and then extends upwardly to form a first elastic portion 1215. The first elastic portion 1215 protrudes outwardly to form a first contact head 1216. The first elastic portion 1215 and the first contact portion 1216 are formed. First contact portion 1212. The first base 4 1211 extends vertically downward at the other end of the sin to form a strip-shaped first retaining portion 1214. In the first holding portion 1214 and the first contact portion 1212, the first base portion 1211 extends vertically downward to form an elongated first welded portion 1213, and the lower end of the first welded portion 1213 is bent toward the first contact portion 1212. The fold extends to form the first weld head 1217. Referring to the sixth drawing, the second female terminal 122 has a second base portion 1221 extending in a longitudinal direction. The second base portion 1221 extends downwardly and then extends upward to form a second elastic portion 1225. The second elastic portion 12 protrudes outwardly to form a second contact head 1226. The second elastic portion 1225 and the second contact portion 1226 are formed. The second contact portion 1222 is formed. The second base portion 22i extends vertically downward at the other end to form a second strip-shaped second welded portion 9•M327104 1223. The lower end of the second welded portion 1223 is bent outward to form a second welded joint 1227. The first base portion 1221 extends vertically downward between the second welded portion 1223 and the second contact portion 1222 to form an elongated second holding portion 1224.

Referring to the seventh figure, when the first female terminal 121 is assembled on the socket 10, the first base portion 1211 of the first female terminal 121 is received in the first receiving groove 1171 of the first female terminal groove 117. The first elastic portion 1215 of the first contact portion 1212 is received in the second receiving groove 1172, and the first contact portion 1216 of the first contact portion 1212 extends into the receiving cavity 114. The first soldering portion 1213 is received in the third receiving groove 1173, and the first soldering tip 1217 is soldered to an external circuit board (not shown). The first holding portion 1214 is received in the fourth receiving groove 1174. Referring to the eighth embodiment, when the second female terminal 122 is assembled on the socket 10, the second base portion 1221 of the second female terminal 122 is received in the fifth receiving slot 1181 of the second female terminal slot 118. The second elastic portion 1225 of the second contact portion 1222 is received in the sixth receiving groove 1182, and the second contact portion 1226 of the second contact portion 1222 extends into the receiving cavity 114. The second soldering portion 1223 is received in the seventh receiving groove 1183, and the second soldering tip 1227 is soldered to an external circuit board (not shown). The second holding portion 1224 is received in the eighth receiving groove 1184. Referring to the seventh and eighth figures, when the socket 10 of the board-to-board connector 1 is soldered to the external circuit board, the first contact portion 1212 • M327104 and the first interface portion 1213 are The second contact portion 1222 and the second solder portion 1223 have a barrier of the socket body 11. When the board-to-board connector is soldered, excess solder passes through the first soldering portion 1213 and the third receiving slot ι 73 or the second splicing portion 1223. And the seventh receiving slot 1183 is led to the outside, thereby preventing the solder from being sucked into the second receiving slot 1172 or the sixth receiving slot 1182, thereby effectively preventing the solder from being sucked to the first contact through the first soldering portion 1213. The crucible 1212 is sucked to the second contact portion φ 1222 via the second tan junction 1223. Referring to the second figure, the socket fastening terminal 13 has a laterally extending third base portion 131. The third base portion 131 is inserted into the socket card slot 116, and the two outer ends of the second base portion 131 are outwardly outward. The lower bend extends to form the third weld portion 132. The two outer ends of the third base portion 131 extend vertically upward to form a third strip-shaped retaining portion 133. The third retaining portion 133 is locked in the socket card slot 116. The first base portion 134 is inserted into the socket card slot 116 and is located between the two slots 119. The first card is inserted into the socket card slot 116. A spur 135 is protruded from the upper ends of the holding portions 134. The third base portion 131 extends vertically upward on both sides of the first latching portion 134 to form a strip-shaped third elastic portion 136. The third elastic portion 136 is inserted into the socket card slot 116 and located outside the slot 119. A rectangular slot 137 is formed between the third elastic portion 136 and the first latching portion 134, and a tip end of the third elastic portion 136 protrudes toward the spur 135 by a protrusion 138. 11 • M327104

Referring to the second figure, the plug 20 includes a plug body 21, a plurality of male terminals 22 received in the plug body 21, and two plug fastening terminals 23. The plug body 21 has a substantially rectangular shape and has a rectangular bottom wall 211. A plurality of equidistantly arranged male terminal slots 212 extending through the bottom wall 211 are provided in the opposite sides of the bottom wall 211 for receiving the corresponding male terminals 22. Both ends of the bottom wall 211 project longitudinally against the plate 213, and the top surface of the abutting plate 213 is in the same plane as the top surface of the bottom wall 211. Therefore, the abutting plate 213 and the bottom wall 211 define a holding groove 214. . A longitudinally extending plug slot 215 extending through the plug body 21 is defined in the abutting plate 213. Referring to the second figure, the plug card slot 215 has a plate-shaped plug fastening terminal 23, and the plug fastening terminal 23 has a fourth base portion 231 extending laterally. The fourth base portion 231 extends downward to form a strip. The fourth holding portion 232 is fixed in the side wall 2141 of the holding groove 214, and the other end of the fourth base portion 231 extends downward to form a second holding portion 233 having a rectangular plate shape. Referring to the ninth figure, when the plug 20 of the board-to-board connector 1 and the socket 10 are nested and inserted into each other, the second latching portion 233 of the plug-clamping terminal 23 is inserted into the slot 119 and snapped into the socket card. The latching portion 138 of the fixed terminal 13 of the fixed terminal 13 is configured to abut the bump 138 of the socket fixing terminal 13 to elastically deform the third elastic portion 136, thereby further abutting the second latching portion 233 and the first latching portion 134. 12 • M327104

Since the plug 20 is inserted into the receiving cavity 114 of the socket 10, the bottom wall 211 of the plug 20 is placed in the receiving cavity 114, and the abutting plate 213 of the plug 20 is pressed against the second side wall 113 of the socket 10. The third elastic portion 136 of the socket fastening terminal 13 presses the second holding portion 233 of the plug fastening terminal 23 to elastically deform the third elastic portion 136 to advance the second holding portion 233 and the first holding portion The 134 is in close contact, thus allowing the plug 20 of the board to the connector 10 to be firmly inserted into the socket 10 and ensuring good electrical contact. [Simple description of the diagram] The first figure is a three-dimensional combination of the board-to-board connector. The second figure is an exploded view of the board to the board. The third figure is a cross-sectional view of the first female terminal slot of the board to the board. The fourth figure is a cross-sectional view of the second female terminal slot of the board to the board. The fifth figure is a perspective view of the first female terminal of the board-to-board connector. The sixth figure is a perspective view of the second female terminal of the board-to-board connector. The seventh figure is a cross-sectional view of the first figure taken along VII_VII. The eighth figure is a cross-sectional view of the first figure taken along VIII-VIII. The ninth drawing is a cross-sectional view of the first figure taken along IX-IX. The tenth figure is a cross-sectional view of a conventional technique. 13 M327104 [Description of main component symbols] [This creation]

Board-to-board connector 1 socket 10 socket body 11 substrate 111 first side bet 112 second side wall 113 receiving cavity 114 female terminal slot 115 socket card slot 116 first female terminal slot 117 first receiving slot 1171 second receiving slot 1172 The third receiving slot 1173 the fourth receiving slot 1174 the second female terminal slot 118 the fifth receiving slot 1181 the sixth receiving slot 1182 the seventh receiving slot 1183 the eighth receiving slot 1184 the slot 119 the female terminal 12 the first female terminal 121 the first base 1211 first contact portion 1212 first solder portion 1213 first holding portion 1214 first elastic portion 1215 first contact head 1216 first solder joint 1217 second female terminal 122 second base portion 1221 second contact portion 1222 second solder portion 1223 Second holding portion 1224 Second elastic portion 1225 Second contact head 1226 Brother-welding head 1227 Socket fastening terminal 13 Younger base portion 131 Third welded portion 132 14 • M327104

Third holding portion 133 first holding portion 134 spur 135 third elastic portion 136 card slot 137 bump 138 plug 20 plug body 21 bottom wall 211 male terminal slot 212 sin board 213 holding slot 214 side wall 2141 plug card slot 215 Male terminal 22 plug fastening terminal 23 fourth base portion 231 fourth holding portion 232 mate-one holding portion 233 [technical technology] bottom plate 31 longitudinal side wall 32 nesting portion 34 receiving cavity 35 first receiving groove 371 second receiving Slot 372 Third receiving groove 374 First base portion 41 First welded portion 42 Side branch 43 Elastic contact portion 45 Contact head 47 15

Claims (1)

• M327104 IX. Patent application scope: 1. A board-to-board connector, comprising: a socket having a socket body and a plurality of female terminals, the socket body having a substrate and two longitudinally protruding upwards along both sides of the substrate An extended first-side wall and two laterally extending second side walls projecting upwardly from opposite ends of the substrate, the substrate, the two first side walls and the two second side walls enclosing a valley cavity, and the socket body is - a female terminal slot is defined in the side wall; the first terminal slot has a first female terminal slot, and the first: the terminal slot has a first receiving groove extending downward from the first sidewall and extending laterally a second receiving slot extending from one end of the receiving groove and communicating with the receiving cavity, and a third receiving slot extending downwardly from the first receiving slot and extending through the first side wall; the female terminal is received in the first receiving a strip-shaped first base portion extending laterally of the groove. The first base portion extends downwardly and is bent upwardly to form a first contact portion 2 received in the second receiving groove. The first base portion extends downwardly to be received therein. Third receiving trough The joint portion of the first portion of the welded portion is formed by a first-welded joint. The board-to-board connector of the second item of the second object of the second aspect of the invention has a second receiving groove extending transversely through the first side wall. Zhongshen, +, Chu, the board-to-board connector of the first item, wherein the younger-side wall is adjacent to the fourth receiving booth of the third receiving side wall, and The first base portion extends downward to form a receiving body 16