TWI648919B - Socket connector and mobile device - Google Patents

Abstract

A socket connector and a mobile device. The socket connector includes a base body and a terminal module. The base body is provided with a front and rear communication docking cavity and a receiving cavity. The terminal module includes a rear base and a forward extending docking. The tongue plate and the terminal, the rear base portion is fixed in the receiving cavity, and the docking tongue plate extends into the docking cavity. The terminal includes a contact portion arranged on the butt tongue plate and a pin extending out of the base. Compared with the conventional technology, the socket connector of the present invention is convenient to manufacture through the assembly relationship between the seat body and the terminal module. At the same time, the socket connector is held on the mobile device, which is also convenient for disassembly.

Description

Socket connector and mobile equipment

The invention relates to a socket connector and a mobile device equipped with the socket connector.

US Patent Application Publication No. 20130095702A1 discloses a two-way plug connector, which has a plug connector, the plug connector has opposite upper and lower surfaces, and a plurality of conductive terminals are disposed on the upper and lower surfaces. The conductive terminals exposed on the upper and lower surfaces are symmetrically spaced from each other, and the shape of the plug connector is approximately 180 degrees symmetrical, so that it can be inserted into the corresponding socket connector in the forward and reverse directions.

However, a switching circuit needs to be provided inside the socket connector or the electronic device to detect whether the plug connector is inserted in the forward direction or in the reverse direction, so as to start the corresponding subsequent program. The more terminals of the connector, the more complicated the switching circuit is. This is not in line with the trend. At the same time, the plug connector is an exposed plug, and there may still be the possibility of plug damage in actual use.

A new type of plug connector came into being. The plug connector can be inserted into the socket connector in both directions, and the two connectors can transmit high-frequency signals. After continuous technical development, new plug connectors and The socket connector can prevent electromagnetic signal interference and radio frequency interference. At the same time, in order to expand the application range of the connector, a socket connector different from the previous use method is provided.

The object to be achieved by the present invention is to provide a socket connector, which can be easily assembled in a mobile device.

In order to solve the above technical problem, the present invention provides a socket connector, which includes a base body and a terminal module. The base body is provided with a front and rear communication docking cavity and a receiving cavity. The terminal module includes a rear base and a forward extension. The butt tongue plate and terminal are fixed to the receiving cavity, and the butt tongue plate extends into the butt cavity. The terminal includes a contact portion arranged on the butt tongue plate and a pin extending out of the base.

In order to solve the above technical problems, the present invention also provides a mobile device, which includes an outer shell, a socket connector, and a circuit board. The outer casing is provided with a receiving space, and the socket connector is received and fixed in the receiving space. The socket connector includes a base and a terminal, and the terminal includes a pin extending outside the base, and the pin is a crimp type. The circuit board is installed above the socket connector and is crimped to the pins of the terminals to achieve electrical contact.

Compared with the prior art, the present invention has the following effects: The crimp-type pin of the present invention can facilitate the assembly of a socket connector on a mobile device.

106‧‧‧Circuit Board

121‧‧‧ shallow groove

108‧‧‧through hole

122, 212‧‧‧ lower terminal

110, 110 ’, 200‧‧‧ socket connectors

1221, 1141, 2081, 2121‧‧‧ pins

1101, 202‧‧‧Terminal Module

123‧‧‧ convex

1102, 223‧‧‧ rear base

124, 222‧‧‧ grounding parts

111‧‧‧ recessed hole

125‧‧‧Fixed

112, 206‧‧‧ upper body

126‧‧‧metal case

113‧‧‧ tab

126a, 231‧‧‧ docking department

114,208‧‧‧up terminal

127, 230‧‧‧ docking cavity

116, 214‧‧‧medium

128‧‧‧ Elastic Arm

118, 216‧‧‧shield

129、221‧‧‧ Butt tongue

119‧‧‧ holding side edge

130a‧‧‧back cover

120, 210‧‧‧ lower body

130‧‧‧Top wall

1321, 139, 142‧‧‧Circuit board mounting feet

132‧‧‧ sidewall

134‧‧‧ on the back wall

1381‧‧‧Front gap

138‧‧‧ metal cover

140, 140’‧‧‧ under the metal cover

140a, 140a ’, 261‧‧‧ bottom wall

141, 141’‧‧‧ lower back wall

143, 143’‧‧‧ front side

145‧‧‧ rear side

204‧‧‧ seat

2082, 2122‧‧‧Contact

220‧‧‧Fixed seam

217‧‧‧Holding the side edge

232‧‧‧Container

218‧‧‧Fixing plate

238‧‧‧ holding projection

236‧‧‧holding bump

234‧‧‧Fixing plate

240‧‧‧ holding mouth

250‧‧‧Circuit Board

242‧‧‧ opening

251‧‧‧seals

253‧‧‧Rib

255‧‧‧mobile device

260‧‧‧Vertical Trough

261a, 261b‧‧‧wall

262‧‧‧Containment space

264‧‧‧holding slot

266‧‧‧ Outer shell

268‧‧‧Connect

269‧‧‧ support rib

The first diagram is a perspective view of a socket connector mounted on a circuit board according to the first embodiment of the present invention; the second diagram is a perspective view of the first diagram at another angle; the third diagram is a partially disassembled perspective view of the first diagram; the fourth diagram Figure 3 is a perspective view from another angle of the third figure; Figure 5 is a perspective view of the socket connector further disassembled in the third figure; Figure 6 is a perspective view of the fifth figure from another angle; and Figure 7 is a sixth diagram of the socket connection The perspective view of the terminal module of the device is further disassembled; the eighth view is a perspective view of the terminal module of the seventh view; A perspective view of the socket connector of the embodiment mounted on a circuit board; Figure 11 is a perspective view of the socket connector separated from the circuit board in Figure 10; Figure 12 is a perspective view of the upper and lower metal covers of the socket connector in Figure 10; -XIII cross-sectional view; the fourteenth figure is a perspective view of the socket connector of the third embodiment of the present invention installed on a mobile device; the fifteenth figure is a fourteenth figure further disassembled perspective view; the sixteenth figure is the fifteenth The perspective view of the socket connector separated from the seal in the figure; Figure 17 is an exploded perspective view of the socket connector of Figure 16; Figure 18 is a further exploded perspective view of Figure 17; Figure 19 is the seventeenth The perspective view of the socket connector above the main body after the middle body is assembled in the figure; Figure 20 is a further exploded perspective view of the terminal module of the socket connector in Figure 18; Figure 21 is the socket in Figure 16 A cross-sectional view of the connector along the dotted line XX-XXX; and FIG. 22 is a schematic cross-sectional view of a part of the socket connector installed in the mobile device in FIG. 16.

The company filed a patent application No. 104103354 on February 2, 2015, in which the socket connector includes an insulating body, a terminal, a grounding piece, and a metal case. The insulating body includes a rear base and a butt tongue extending forward, the butt tongue has two opposite surfaces, the terminals include contact portions and pins arranged on the two opposite surfaces of the butt tongue, and a metal shell surrounds the butt tongue. A docking cavity is formed between the two. The two opposite surfaces of the butt tongue plate are provided with a step portion at the root portion adjacent to the rear base portion, and the grounding member is covered on the Outside the step. A shielding plate is provided in the docking tongue plate, and the shielding plate isolates the terminals on two opposite surfaces of the docking tongue plate from each other. The terminals and the insulator form a terminal module. The plug connector has a locking member which is held on a side edge of the shield plate. The present invention mainly improves the socket connector and the plug connector shown in the first to the fourteenth drawings of the above patent application. Therefore, the present invention will not introduce the structure previously introduced or the same structure, please refer to the above patent application Related description in.

The first to ninth figures show the socket connector 110 of the first embodiment. The socket connector 110 is installed in a notch provided on the circuit board 106, that is, the socket connector 110 is a sinker-type structure. Referring to FIGS. 5 to 8, the terminal module 1101 of the socket connector 110 includes an upper body 112 injection-molded with an upper terminal 114, a middle body 116 having a shielding plate 118, and a lower body 120 injection-molded with a lower terminal 122. The upper and lower bodies 112 and 120 sandwich the middle body 116 to form a terminal module 1101. A ring-shaped grounding member 124 to prevent electromagnetic interference surrounds the outside of the terminal module 1101. The grounding piece 124 has an L-shaped fixing piece 125. The fixing piece 125 is fixed in a shallow groove 121 formed on the lower surface of the lower body 120. The fixing piece 125 is provided with a convex portion 123 crimped to the metal case 126. The shielding plate 118 is provided with a pair of buckling side edges 119 for docking with the mating plug connector. After the upper, middle, and lower bodies 112, 116, and 120 are assembled, the terminal module 1101 includes a rear base portion 1102 and a butt tongue plate 129 extending forward from the rear base portion 1102. The butt tongue plate 129 extends forward from the middle body 116 And formed, extending forward here means that the butt tongue 129 extends along the butting direction, and the present invention is not limited to the specific embodiment.

Referring to the third to sixth figures, a metal housing 126 surrounds the outside of the terminal module 1101, and includes a capsule-shaped butting portion 126a and an inverted U-shaped rear cover portion 130a. The butting portion 126a surrounds the butting tongue of the terminal module 1101. The plate 129 forms a docking cavity 127 therebetween, and the docking tongue plate 129 extends into the docking cavity 127. The rear cover portion 130a is formed by bending and extending from the rear edge of the upper wall of the abutting portion 126a, and is attached to the rear base portion 1102 of the terminal module 1101. The rear cover portion 130a includes a top wall 130, two side walls 132, and an upper rear wall 134 covering the corresponding portion of the rear base portion 1102. The rear end of the side wall 132 continues to extend down to the circuit board mounting leg 1321. As can be seen from the figure, The shape of the rear cover portion 130a and the rear base portion 1102 approximately match, so that the rear base portion 1102 of the terminal module 1101 The part above the circuit board 106 is completely shielded, as shown in the ninth figure, and has a good shielding effect. Elastic arms 128 are provided on the upper and lower wall surfaces of the abutting portion 126a to cooperate with the mating plug connector.

An upper metal cover 138 covers the upper portion of the butting portion 126a, is welded to the upper wall surface of the butting portion 126a, and is provided with a pair of circuit board mounting feet 139 for mounting it on the upper surface of the circuit board 106. A front notch 1381 is provided at the elastic arm 128 to provide a space for the elastic arm 128 to elastically deform outward. A lower metal cover 140 is covered under the abutting portion 126 a. It is welded to the lower wall surface of the abutting portion 126 a and is provided with a plurality of chip-shaped circuit board mounting legs 142 for mounting it on the lower surface of the circuit board 106. As can be seen from the fourth and sixth figures, one row of upper terminals 114 has surface-welded pins 1141, one row of lower terminals 122 has through-hole pins 1221, and the circuit board mounting pins 139 of the upper metal cover 138 are open. Hole type, the circuit board 106 is provided with through holes 108 for through-hole pins 1221 and circuit board mounting pins 139 to pass through. These pins 1221 pass from the upper surface to the lower surface of the circuit board 106, and the lower metal cover 140 The pins, the circuit board mounting pins, and the through holes 108 of the circuit board are just enclosed therein, so as to play a shielding role.

The lower metal cover 140 includes a bottom wall 140a, a lower rear wall 141 bent from the rear edge of the bottom wall 140a, two front side walls 143 and two rear side walls 145, and the front and rear side walls 143 and 145 are from both sides of the bottom wall 140a. The edges are formed by bending and extending, and the front and rear side walls 143 and 145 are independent of each other. The front side wall 143 is tightly covered with the abutting portion 126 a, and the rear side wall 145 and the lower rear wall 141 respectively extend a pair of the above-mentioned circuit board mounting pins 142, and the circuit board mounting pins 142 are soldered to the lower surface of the circuit board 106. With reference to the second, fourth, and ninth figures, the bottom wall 140a and the lower rear wall 141 surround the pins 1221 of the lower terminal 122, the pins of the shielding plate 118, and the circuit board mounting pins 139 of the upper metal cover 138. The upper rear wall 134 of the rear cover portion 130 a surrounds the pins of the upper terminal 114. In this embodiment, as shown in FIG. 6, the lower body 120 is formed with a pair of recessed holes 111 for inserting the protruding pieces 113 of the metal casing 126 into and buckling.

The tenth to thirteenth figures show the socket connector 110 'of the second embodiment. The structure of this embodiment is substantially the same as that of the first embodiment. The main difference is in the lower metal cover 140'. The same structure uses the same reference numerals, and I won't go into details, but mainly introduce the differences. The lower metal cover 140 ’covers the metal casing 126 The lower part of the mating portion 126a is mounted on the lower surface of the circuit board 106, so that the pins of the lower terminal 122 and the through holes 108 of the circuit board 106 can be completely shielded. The lower metal cover 140 'includes a bottom wall 140a', a lower rear wall 141 ', and two side walls 143'. Different from the first embodiment, the lower metal cover 140 'is manufactured by drawing technology. The four walls 140a', 141 ', and 143' are integrally formed by drawing. The side wall 143 'does not have a circuit board mounting foot. The figure shows that the four walls are smooth transitions and seamlessly connected to each other. Referring to the thirteenth figure, the front end of the bottom wall 140a 'of the lower metal cover 140a' is welded to the rear edge of the abutting portion 126a, and the top surfaces of the side walls 143 'and the lower rear wall 141' can be directly soldered to the lower surface of the circuit board 106.

The fourteenth to twenty-second figures show the mobile device 255 with the socket connector 200 installed in the third embodiment. The socket connector 200 is not sunk in the notch of the circuit board as in the first and second embodiments. It is connected to the upper surface of the circuit board, but is installed in a receiving space 262 formed by a housing 266 of a mobile device 255, and a docking plug connector is provided through a communication port 268 provided in the housing 266 so that the receiving cavity 262 communicates with the outside. After the socket connector 200 is installed, the circuit board 250 is pressed against the upper side of the socket connector 200 to complete elastic crimping with the elastic terminals 208 and 212.

Referring to FIGS. 17 to 21, the socket connector 200 includes a base body 204 and a terminal module 202 received in the base body 204. In this embodiment, the base body 204 is an insulator. Of course, the base body also It can be formed by pouring metal materials, or metal plates / blocks are drawn first and then injection molded with insulating materials. The terminal module 202 includes an upper body 206 injection-molded with an upper terminal 208, a lower body 210 injection-molded with a lower terminal 212, and a middle body 214 injection-molded with a shielding plate 216, wherein the middle body 214 forms a butt tongue plate 221, and the shielding plate 216 forms a For the buckling side edge 217, the buckling side edge 217 is exposed on the outside of the corresponding side edge of the butt tongue 221, and is used for buckling of a pair of locking parts of the plug connector. The shielding plate 216 of the middle body 214 is provided with a fixing plate 218 vertically arranged at the rear end thereof, and the upper and lower bodies 206 and 210 are respectively provided with fixing slots 220 at the rear ends thereof, and the upper and lower bodies 206 and 210 are respectively When the middle body 214 is clamped, the fixing plate 218 is inserted and fixed in the fixing slot 220, thereby assembling the three components together to form the terminal module 202. The number of upper and lower terminals 208 and 212 is small, only four, both of which are power terminals. The contact portions 2082 and 2122 of the upper terminal 208 and the lower terminal 212 are arranged in pairs. The pins of the tongue plate 221 have a pressing structure, that is, the pins of the upper and lower terminals 208 and 212 are pressed against the circuit board by means of elastic pressing, which is convenient for replacement. The ring-shaped grounding member 222 surrounds the outside of the terminal module 202.

Referring to FIG. 17 and FIG. 18, the front end of the base body 204 is formed with a capsule-shaped docking cavity 230 and the rear end is formed with a rectangular receiving cavity 232. The two cavities 230 and 232 communicate with each other in the front-back direction for receiving The terminal module 202 is fixed, the docking tongue plate 221 extends into the docking cavity 230, and the rear base 223 of the terminal module 202 is fixed in the receiving cavity 232. The base 204 is provided with buckles on the two inner side walls of the receiving cavity 232. The convex portion 238 and the rear base portion 223 of the terminal module 202 are provided with the retaining openings 240. The retaining convex portions 238 are fixed in the retaining opening 240, thereby further fixing the terminal module 202 in the base body 204, and the retaining openings 240 are respectively It is arranged on the side edges of the upper and lower bodies 206, 210.

Referring to FIGS. 14 to 16, the receiving space 262 on the outer casing 266 of the mobile device 255 is formed by surrounding three walls 261 a and 261 b. The receiving space 262 is opened upward, and two opposite walls 261 a are provided. There are a holding groove 264 and a vertical groove 260 penetrating upward, the vertical groove 260 is adjacent to the communication opening 268, the holding groove 264 is located behind the communication opening 268 and is adjacent to the bottom wall 261c of the outer casing 266, and the bottom wall 261c of the outer casing 266 A support rib 269 is provided at a position in the accommodation space 262, and the wall 261 b faces the communication opening 268. A lateral fixing plate 234 and a pair of holding projections 236 located behind the lateral fixing plate 234 are provided on the outer surface of the base body 204. The lateral fixing plate 234 is inserted and fixed in the vertical groove 260 provided in the receiving space 262. The latching projection 236 is latched in the latching groove 264. In this way, the socket connector 200 can be stably fixed in the receiving space 262 of the mobile device 255.

Referring to the sixteenth, twenty-first, and twenty-second figures, the base body 204 is provided with an upward opening 242 at the rear end of its upper wall, and pins 2081 of the upper and lower rows of terminals 208 and 212 , 2121 pass through the opening 242 upward and are exposed outside the base body 204. The pins 2081 and 2121 of the two rows of terminals 208 and 212 are arranged in a row and alternately arranged. After the circuit board 250 is installed, the pins 2081 and 2121 are in contact. Circuit board 250. A rubber seal 251 covers the front end of the base 204, that is, the abutting portion 231, and the seal 251 is pressed backward On the front surface of the lateral fixing plate 234, the front end surface of the abutting portion 231 is pressed against the ring rib 253 provided at the front end of the inner surface of the sealing member 251. The socket connector 200 is installed in the receiving cavity 262, and the sealing member 251 is pressed against the outer casing 266 in the front-rear direction. The socket connector 200 is first installed downward in the receiving cavity 262, and then the circuit board 250 is assembled above the socket connector 200 so that the pins 2081 and 2121 of the upper and lower terminals 208 and 212 are mechanically and electrically connected by crimping. The circuit board 250, the front end of the circuit board 250 is pressed against the rear surface of the lateral fixing plate 234. In this embodiment, the socket connector 200 has only the power terminals 208 and 212. If necessary, a signal terminal can also be added.

In summary, the present invention has indeed met the requirements for an invention patent, and a patent application has been filed in accordance with the law. However, the above is only a preferred embodiment of the present invention, and the scope of rights of the present invention cannot be limited by this. For example, equivalent modifications or changes made by those with ordinary knowledge in the technical field based on the spirit of the present invention are still covered by the scope of the attached patent application.

Claims (10)

A socket connector includes a base body and a terminal module, wherein the base body is provided with a butt cavity and a receiving cavity that communicate with each other in the front and rear, the terminal module includes a rear base, a butt tongue plate extending forwardly, and a terminal, The rear base is fixed in the receiving cavity, the docking tongue plate extends into the docking cavity, and the terminal includes a contact portion arranged on the docking tongue plate and a pin extending out of the base body, the base body It is an insulator, or it is formed by pouring a metal material, or it is formed by drawing a metal plate and then injection molding with an insulation material. The socket connector according to item 1 of the scope of patent application, wherein the pins are crimp-type pins, and the pins extend upward from the outside of the base body. The socket connector according to item 1 of the scope of patent application, wherein the terminals include a row of upper terminals and a row of lower terminals, and the pins of the two rows of terminals are arranged in a row and alternately arranged. The socket connector according to item 1 of the scope of patent application, wherein the terminals include only power terminals. The socket connector according to item 1 of the scope of patent application, wherein the terminal module includes an upper body injection molded with an upper terminal, a lower body injection molded with a lower terminal, and a middle body provided with a shielding plate. The bodies are stacked and fixed together. The socket connector according to item 5 of the scope of patent application, wherein the shielding plate is provided with a fixing plate extending out of the middle body, and the fixing plate is vertically arranged up and down and is inserted into the fixing slit provided in the upper and lower bodies. A mobile device includes an outer shell, a socket connector, and a circuit board; the outer shell is provided with a receiving space, and the socket connector is accommodated and fixed in the receiving space; wherein the socket connector includes a base and a terminal, The terminal includes pins extending outside the base body, the pins are crimp type, the circuit board is installed above the socket connector and is crimped with the pins of the terminal to achieve electrical contact, and the base body is The insulator is either formed by casting a metal material, or is formed by first drawing a metal plate and then injection molding the insulating material. The mobile device according to item 7 of the scope of patent application, wherein the base body is provided with an opening penetrating upward, and the pins of the terminal pass through the opening and are exposed outside the base body. The mobile device according to item 8 of the scope of patent application, wherein the base body is provided with a lateral fixing plate and a buckling projection on the outer surface thereof; the outer shell of the mobile device is provided with a vertical groove and A holding groove; the horizontal fixing plate is inserted and fixed in a vertical groove, and the holding projection is fixed in the holding groove. The mobile device according to item 9 of the scope of patent application, wherein the socket connector includes a seal sleeved on the front end of the base body; in the front-rear direction, the front end of the seal is pressed against the housing of the mobile device Body, the rear end of the seal is pressed against the front surface of the transverse fixing plate; the circuit board is pressed against the rear surface of the transverse fixing plate.