TWM637269U - Plug connector - Google Patents

Abstract

This creation discloses a plug connector, including a terminal module and a housing. The terminal module includes upper and lower modules stacked on each other. The upper module includes an upper insulator, an upper terminal, an upper cable connected to the upper terminal, and an upper The upper metal shell on the upper side of the insulator, the lower module includes the lower insulator, the lower terminal, the lower cable connected to the lower terminal and the lower metal shell fixed on the lower side of the lower insulator. The inner conductors of the cables are respectively welded to the differential terminal pairs. The front elastic fingers provided on the upper metal shell contact the ground terminals of the upper terminal one by one, and the rear elastic fingers respectively contact the shielding layer of the upper cable one by one. The upper metal shell of this creation contacts the grounding terminal and the shielding layer of the cable at the same time to achieve multiple grounding points, which can effectively improve the high-frequency performance of the cable connector. The shell is further fixed with an elastic locking member, which is located on the lower side of the shell close to the lower insulator, and can reduce the height of the cable connector on the circuit board as a whole.

Description

plug connector

The invention relates to a plug connector with a cable connected to the rear end.

The plug connector is generally connected to the cable, and the socket connector is generally soldered on the circuit board. At present, plug connectors generally use daughter cards, that is, there are gold fingers on different edges of a circuit board, and the gold fingers are connected through lines. connected. However, plug connectors using daughter cards will be relatively large in size. Now more and more systems use cables instead of circuit boards for signal transmission in high-speed systems, but inevitably increase the requirements for high-frequency performance.

Therefore, it is necessary to provide an improved electrical connector to solve the above problems.

The main purpose of this creation is to provide a cable connector and improve its electrical performance.

In order to achieve the above purpose, the invention can adopt the following technical solutions: a plug connector, including a terminal module and a shell enclosing the terminal module, and the terminal module includes an upper module and a lower module stacked on each other module, the upper module includes an upper insulator, an upper terminal fixed on the upper insulator, an upper cable connected to the upper terminal, and an upper metal shell fixed on the upper side of the upper insulator, and the lower module It includes a lower insulator, a lower terminal fixed on the lower insulator, a lower cable connected to the lower terminal, and a lower metal shell fixed on the lower side of the lower insulator, and the upper and lower cables include sequentially from inside to outside. Wrapped pair of inner conductors, inner insulating layer, shielding layer and outer insulating layer; said upper and lower terminals Each includes a differential terminal pair and a ground terminal, and the pair of inner conductors are respectively mechanically and electrically connected to the differential terminal pair; wherein, the upper metal shell is provided with a number of front elastic fingers and a number of rear elastic fingers, and the front elastic Refers to the ground terminal that is mechanically and electrically connected to the upper terminal one by one, and the rear elastic refers to the shielding layer that is mechanically and electrically connected to the upper cable one by one.

In order to achieve the above purpose, this invention can adopt the following another technical solution: a plug connector, including a terminal module and a shell that wraps the terminal module inside, the terminal module is provided with an inclined front surface and It includes an upper module and a lower module stacked on each other, the upper module includes an upper insulator, an upper terminal fixed on the upper insulator and an upper cable connected to the upper terminal, the lower module includes a lower insulator, The lower terminal fixed on the lower insulator and the lower cable connected to the lower terminal; wherein, the housing is fixed with an elastic locking member, and the elastic locking member is located on the lower side of the housing adjacent to the lower insulator.

Compared with the prior art, the upper metal shell of the present invention contacts the grounding terminal and the shielding layer of the cable at the same time to achieve multiple grounding points, which can effectively improve the high-frequency performance of the cable connector. The elastic locking member of the invention is located on the lower side of the housing, which can reduce the height of the cable connector on the circuit board as a whole.

10: Cable connector

101: front face

100: Terminal module

180: Lower ground piece

182: lower insulator

183: upper channel

110: Upper module

120: Upper terminal

122: Differential terminal pair

124: Ground terminal

126: contact part

127: fixed part

128: connection part

130: Upper ground piece

140: upper insulator

142: Heightening Department

144: Second slot

146: convex part

150: upper metal shell

151: front opening

152: front elastic finger

153: rear opening

154: Rear elastic finger

155: fixed ear

156: Partition

160: Lower module

172: Differential terminal pair

174: Ground terminal

184: lower channel

185: Convex part

186: The first lower convex part

187: the second lower convex part

188: Gap

190: lower metal shell

192: elastic finger

193: front opening

195: rear opening

197: fixed ear

200: upper cable

202: inner conductor

204: inner insulating layer

206: masking layer

208: Outer insulating layer

210: lower cable

212: inner conductor

214: inner insulating layer

216: masking layer

218: Outer insulating layer

302: upper shell

304: lower shell

176: contact part

177: fixed part

178: connection part

301: the first slot

310: elastic lock piece

The first figure is a perspective view of the cable connector of the invention; the second figure is a perspective view of the cable connector in the first figure from another angle; the third figure is a perspective view of the cable connector in the first figure from another angle; the fourth figure It is the perspective exploded view of the cable connector in the first figure; the fifth figure is the perspective exploded view of the further disassembly of the cable connector in the fourth figure; the sixth figure is the perspective exploded view of the cable connector in the fifth figure from another angle ; The seventh figure is a three-dimensional exploded view of another angle of the cable connector in the fifth figure; Figure 8 is an exploded perspective view of another angle of the cable connector in Figure 5; Figure 9 is an exploded perspective view of the further disassembly of the terminal module in Figure 6; Figure 10 is another perspective view of the terminal module in Figure 9. The three-dimensional exploded view of the angle; the eleventh figure is a three-dimensional exploded view of the further decomposition of the terminal module in the ninth figure; the twelfth figure is a three-dimensional exploded view of another angle of the terminal module in the eleventh figure; Figure 11 is a three-dimensional exploded view of the terminal module further disassembled; Figure 14 is a three-dimensional exploded view of the terminal module in Figure 13 from another angle; Figure 15 is a perspective view of the upper metal shell in Figure 13; The sixteenth figure is a perspective view of another angle in the fifteenth figure; the seventeenth figure is a sectional view of the cable connector to show the position structure of the differential terminal pair; and the eighteenth figure is a sectional view of the cable connector to show Location structure of the ground terminal.

In order to facilitate a better understanding of the purpose, structure, features, and effects of this creation, this creation will be further described in conjunction with the accompanying drawings and specific implementation methods.

Referring to the first figure to the eighteenth figure, the cable connector 10 is used to connect with the socket connector (not shown), which includes a terminal module 100 and a shell enclosing the terminal module 100 300. The terminal module 100 includes an upper module 110 and a lower module 160, and the upper and lower modules are stacked on each other. The upper module 110 includes several upper terminals 120 , an upper insulator 140 integrally molded on the upper terminals, and an upper metal shell 150 made of metal. The upper metal shell 150 is fixed on the upper insulator 140 , and the upper terminal 120 is fixed on the upper insulator 140 . The upper terminal 120 includes a plurality of differential terminal pairs 122 and a plurality of ground terminals 124 , two adjacent differential signal terminals constitute a differential terminal pair 122 , and the differential terminal pairs 122 and the ground terminals 124 are arranged alternately in the lateral direction. Each upper terminal 120 includes an elastic contact portion 126 at the front end, a connecting portion 128 at the rear end and a position Between the middle fixing part 127 and the connecting part 128 connect the corresponding upper cable 200, the socket connector is installed on the circuit board, the circuit board is provided with a conductive sheet, after the contact part 126 is inserted into the socket connector, it abuts the circuit The conductive sheet of the board, thereby forming a conductive path. Ends of the connection portion 128 are connected together by an upper ground piece 130 extending in the direction. Correspondingly, each upper cable 200 includes a pair of inner conductors 202, an inner insulating layer 204 wrapped outside the inner conductors 202, a shielding layer 206 outside the inner insulating layer and an outer insulating layer 208 wrapped outside the shielding layer, namely The upper cable is wrapped with a pair of inner conductors 202, an inner insulating layer 204, a shielding layer 206 and an outer insulating layer 208 sequentially from the inside to the outside; the pair of inner conductors 202 are electrically and mechanically connected to the connecting portion 128 of the corresponding differential terminal pair, shield The layer 206 is electrically and mechanically connected to the upper ground plate 130 . Please note that the connecting portion 128 and the fixing portion 127 are coplanar with each other, and the upper ground plate 130 is offset from the connecting portion 128 , so as to match the inner conductor 202 and the shielding layer 206 .

The upper insulator 140 is formed with a plurality of hollow raised parts 142, and the raised parts 142 are aligned with the fixing parts 127 of the differential terminal pairs 122 in the vertical direction, and are used to support the upper metal shell 150. At the same time, the hollow structure makes the fixing parts 127 face toward Up metal shell 150 to improve electrical performance. A plurality of second slots 144 are formed on the lower surface of the upper insulator 140 for accommodating or allowing the upper terminals 120 to pass through, which will be described in detail below. A pair of protrusions 146 are formed on two ends of the upper insulator 140 for fixing the upper metal shell 150 .

The upper metal shell 150 includes a row of front elastic fingers 152 at the front end, a row of rear elastic fingers 154 at the rear end, and a row of partitions 156 in the middle. The front elastic fingers 152 are turned downward from the front edge of the upper metal shell. The fixed portion 127 of the ground terminal 124 in the upper terminal is folded and abutted against, and the rear elastic finger 154 is bent downward to abut against the shielding layer 206 of the upper cable 200. In this way, the rear elastic finger 154 and the upper ground piece 130 together Commonly sandwiching the shielding layer 206 in the vertical direction, the partition portion 156 separates the connection portions 128 of adjacent differential terminal pairs 122 from each other. The front elastic finger 152 is aligned with the partition portion 156 in the front-rear direction, and the front elastic finger 152 and the rear elastic finger 154 are offset from each other by a certain distance in the lateral direction. The upper metal shell 150 further includes a pair of front openings 151 is used to accommodate the protrusion 146 so as to fix the upper metal shell 150 to the upper insulator 140 . The upper metal shell 150 further includes a pair of rear openings 153 and fixing ears 155 .

Correspondingly, the lower module 160 includes a row of lower terminals 170, lower insulators 182 integrally molded on the lower terminals, and lower metal shells 190 made of metal. The lower metal shells 190 are fixed on the lower insulators 182, and the lower terminals are fixed on the lower insulators 182. The lower terminal 170 includes a plurality of differential terminal pairs 172 and a plurality of ground terminals 174 , and in the lateral direction, the differential terminal pairs 172 and the ground terminals 174 are arranged alternately. Each lower terminal 170 includes an elastic contact portion 176 at the front end, a connecting portion 178 at the rear end, and an intermediate fixing portion 177 between the two. The contact portion 176 is partially accommodated in the second channel 144 of the upper insulator 140 . Similar to the upper terminal, the connecting portion 178 of the ground terminal is connected together by a lower ground piece 180 extending laterally. Same as the upper cable 200, each lower cable 210 includes a pair of inner conductors 212, an inner insulating layer 214 wrapped outside the inner conductor, a shielding layer 216 surrounding the inner insulating layer, and an outer insulating layer 218 wrapped outside the shielding layer A pair of inner conductors 212 is electrically and mechanically connected to the connecting portion 128 of the corresponding differential terminal pair 172 , and the shielding layer 216 is electrically and mechanically connected to the lower grounding plate 180 .

The lower insulator 182 is formed with a row of upper slots 183 for receiving the corresponding upper cables 200 and a row of lower slots 184 for receiving the lower cables 210 . The lower insulator 182 further includes a pair of upper protrusions 185 , a pair of first lower protrusions 186 , a pair of second lower protrusions 187 and a pair of notches 188 . The upper protrusion 185 is accommodated in the rear opening 153 .

The lower metal shell 190 includes a row of elastic fingers 192 , a pair of front openings 193 , a pair of rear openings 195 and a pair of fixing ears 197 . The elastic fingers 192 abut against the shielding layer 216 of the lower cable 210 respectively, so that the elastic fingers and the lower ground plate 180 clamp the shielding layer 216 of the lower cable 210 in the vertical direction. The front opening 193 accommodates the first lower protrusion 186 , and the rear opening 195 accommodates the corresponding second lower protrusion 187 . The fixing ears 197 are fixed on the corresponding notches 188 .

The housing 300 includes an upper housing 302 and a lower housing 304. The upper housing and the lower housing jointly clamp the terminal module 100 therein. The first grooves 301 provided on the upper housing 302 accommodate the contact portions 126 of the upper terminals 120 one by one. The lower housing 304 is provided with an elastic locking member 310 for fixing with the base of the socket connector.

The improvement of this creation is that the multiple elastic fingers of the metal shell contact the shielding layer of the ground terminal and the cable, and the partition part of the metal shell separates the differential terminal pairs from each other, so that the metal shell establishes a barrier to shield signal interference , namely a crosstalk resonance mitigator. The upper metal shell of this creation contacts the grounding terminal and the shielding layer of the cable at the same time to achieve multiple grounding points, which can effectively improve the high-frequency performance of the cable connector. Another feature of the present invention is that the cable connector 10 is inserted into the socket connector obliquely, and the elastic locking member 310 is hidden under the obliquely inserted virtual line. The front end surface 101 of the cable connector 10 extends in an oblique direction to allow the cable connector 10 to be inserted in an oblique direction. The upper die set is located above the lower die set, and the upper die set protrudes forward than the lower die set, and the elastic locking member 310 is located on the lower side of the shell 300 adjacent to the lower insulator. The elastic locking member of the invention is located on the lower side of the housing, which can reduce the height of the cable connector on the circuit board as a whole.

The above-mentioned embodiments are preferred implementation modes of this creation, but not all implementation modes. Any equivalent changes to the technical solution of the creation adopted by persons of ordinary skill in the art by reading the description of the present invention are covered by the scope of the patent application of the present invention.

10: Cable connector

124: Ground terminal

130: Upper ground piece

152: front elastic finger

154: Rear elastic finger

174: Ground terminal

180: Lower ground piece

192: elastic finger

206: masking layer

216: masking layer

302: upper shell

304: lower shell

310: elastic lock piece

Claims (10)

A plug connector, comprising a terminal module and a shell enclosing the terminal module, the terminal module includes an upper module and a lower module stacked on each other, the upper module includes an upper insulator, a fixed On the upper terminal of the upper insulator, the upper cable connected to the upper terminal and the upper metal shell fixed on the upper side of the upper insulator, the lower module includes a lower insulator, a lower terminal fixed on the lower insulator , the lower cable connected to the lower terminal and the lower metal shell fixed on the lower side of the lower insulator, the upper and lower cables both include a pair of inner conductors, an inner insulating layer, and a shielding layer wrapped sequentially from the inside to the outside and an outer insulating layer; the upper and lower terminals both include a differential terminal pair and a grounding terminal, and the pair of inner conductors are respectively mechanically and electrically connected to the differential terminal pair; wherein, the upper metal shell is provided with a number of front elastic The front elastic fingers are respectively mechanically and electrically connected to the ground terminal of the upper terminal, and the rear elastic fingers are respectively mechanically and electrically connected to the shielding layer of the upper cable. The plug connector according to claim 1, wherein the lower metal shell is provided with a plurality of elastic fingers, and the elastic fingers are mechanically and electrically connected to the shielding layer of the lower cable. The plug connector according to claim 1, wherein each of the upper and lower terminals includes a contact portion located at the front end, a connecting portion located at the rear end, and a fixing portion connecting the two, and the ground terminal of the upper terminal The connecting parts are integrally connected by a horizontally extending upper grounding sheet, and the shielding layer of the upper cable is welded to the grounding sheet; the connecting parts of the grounding terminals in the lower terminals are integrally connected by a laterally extending lower grounding sheet, The shielding layer of the lower cable is welded to the lower ground plate. The plug connector as claimed in claim 1, wherein the front elastic fingers and the rear elastic fingers are offset from each other in the lateral direction. The plug connector according to claim 1, wherein each of the upper terminals includes a contact portion at the front end, a connecting portion at the rear end, and a fixing portion connecting the two, and the upper insulator is provided with a hollow raised portion, so The raised portion is aligned with the fixed portion, so that the fixed portion of the signal terminal is exposed upward and faces the upper metal shell. The plug connector as claimed in claim 1, wherein the upper metal shell is provided with a plurality of partitions between the front and rear elastic fingers, and the partitions separate adjacent pairs of differential terminals from each other. A plug connector, comprising a terminal module and a shell enclosing the terminal module, the terminal module is provided with an inclined front face and includes an upper module and a lower module stacked on each other, the upper The module includes an upper insulator, an upper terminal fixed on the upper insulator, and an upper cable connected to the upper terminal, and the lower module includes a lower insulator, a lower terminal fixed on the lower insulator, and an upper cable connected to the lower terminal. The lower cable; it is characterized in that: the housing is fixed with an elastic locking member, and the elastic locking member is located on the lower side of the housing adjacent to the lower insulator. The plug connector according to claim 7, wherein the upper insulator is provided with a plurality of first slots, and the contact portion of the lower terminal passes through the first slots. The plug connector according to claim 7, wherein a second slot is formed on the inner surface of the housing, and the contact portion of the upper terminal passes through the second slot. The plug connector as claimed in claim 9, wherein the elastic locking member and the second channel are located on opposite inner and outer sides of the housing, respectively.

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