TWI416819B - An electrical jack and a complementary plug - Google Patents

Abstract

An electrical jack comprises an insulating housing defining a first receiving cavity and a second receiving cavity communicating with each other. A plurality of contacts are mounted in the insulating housing and include grounding contact, audio contacts and a pair of power contacts. The grounding contact and the audio contacts are received in the first receiving cavity, and the pair of power contacts are received in the second receiving cavity. The audio contacts and the power contacts jointly use the same grounding contact and form two different channels to respectively transmit audio signal and power current.

Description

Socket connector and plug connector therewith

The present invention relates to a socket connector and a plug connector therewith, and more particularly to a socket connector for use in an electronic device and a plug connector mated therewith.

Electronic devices such as mobile phones are generally equipped with audio socket connectors and power socket connectors for respectively transmitting audio signals and currents. For example, the Chinese Patent Publication No. 201075517Y discloses an audio socket connector which is installed in a mobile phone. In the periphery, the user can insert an audio plug into the audio socket connector to realize the call or enjoy the music stored in the mobile phone; and, as disclosed in Chinese Patent Publication No. 2800570Y, a power socket connector is disclosed, and the connector is also installed. Around the mobile phone, the user can plug the power plug into the power socket connector to charge the mobile phone. However, with the trend toward miniaturization of electronic devices, it has become untimely to provide too many connectors around the mobile phone. In addition, an opening is required to provide a connector around the mobile phone, and excessive opening may cause the dustproof function of the mobile phone to drop.

Normally, the plug connector used in conjunction with the above audio socket connector and power socket connector can only transmit one type of signal, so each mobile phone is equipped with an audio plug and a power plug respectively, which is disadvantageous. For mobile phone manufacturers low cost.

Therefore, it is necessary to design a socket connector and a plug connector mated therewith to solve the above technical problem.

SUMMARY OF THE INVENTION A primary object of the present invention is to provide a receptacle connector and a plug connector therewith that can both transmit audio signals and carry current.

The object of the present invention is achieved by the following technical solution: a socket connector including an insulative housing and a terminal. The insulative housing includes a first receiving cavity and a second receiving cavity that communicate with each other, and the terminal includes a grounding terminal, an audio terminal, and a power terminal. The grounding terminal and the audio terminal are received in the first receiving cavity, and the power terminal is received in the second receiving cavity.

The object of the present invention can also be achieved by the following technical solution: a plug connector mated with the above socket connector, comprising a first joint body and a second joint body, respectively provided with a contact portion and a connecting portion; a plurality of kits, A conducting portion and a sleeve are respectively provided; and a connecting portion is provided with a connecting post connected to the connecting portion and the sleeve. The first connector body is connected to the wiring portion to form a positive pole of the power plug connector, and a kit is connected to the wiring portion to form a negative pole of the power plug connector. The second connector body and the plurality of kits are respectively connected to the wiring portion to form an audio plug connector.

Compared with the prior art, the present invention has the following enhancement effects: the socket connector forms a different path by the common terminal of the audio terminal and the power terminal to respectively transmit the audio signal and the current, and the plug connector can also respectively transmit the audio signal. And current.

100‧‧‧Electrical connector assembly

1‧‧‧Socket connector

10‧‧‧Insulated body

110‧‧‧ containment chamber

1101‧‧‧ front opening

1102‧‧‧opening

101‧‧‧First channel

1011‧‧‧ openings

102‧‧‧Second channel

103‧‧‧ third channel

104‧‧‧fourth channel

105‧‧‧5th channel

106‧‧‧ sixth channel

107‧‧‧ seventh channel

108‧‧‧ eighth channel

109‧‧‧ Division

11‧‧‧First terminal

111‧‧‧ Body Department

112‧‧‧Weld Department

113‧‧‧Connecting Department

114‧‧‧Contacts

12‧‧‧second terminal

121‧‧‧ Body Department

122‧‧‧Weld Department

123‧‧‧Connecting Department

124‧‧‧Contacts

13‧‧‧First fixture

131‧‧‧ Body Department

132‧‧‧ barbed

133‧‧‧Welding Department

14‧‧‧fourth terminal

15‧‧‧ fifth terminal

16‧‧‧ sixth terminal

17‧‧‧ seventh terminal

171‧‧‧ Body Department

172‧‧‧Contacts

173‧‧‧Weld Department

174‧‧‧Detention Department

18‧‧‧Second fixture

181‧‧‧Connecting Department

182‧‧‧Snap Department

2‧‧‧ plug connector

21‧‧‧Wiring Department

211‧‧‧First terminal

212‧‧‧second terminal

213‧‧‧ third terminal

214‧‧‧fourth terminal

22‧‧‧ third kit

221‧‧‧ Body Department

222‧‧‧Contacts

223‧‧‧ casing

23‧‧‧ Second kit

231‧‧‧Contacts

232‧‧‧ casing

24‧‧‧ third kit

241‧‧‧Contacts

242‧‧‧ casing

25‧‧‧Second joint body

251‧‧‧Second contact

252‧‧‧Second connection

26‧‧‧First joint body

261‧‧‧First contact

262‧‧‧First connection

27‧‧‧Insulator

The first figure is a perspective assembled view of the socket connector of the present invention and the plug connector; the second figure is a perspective assembled view of the socket connector and the plug connector of the present invention; the third figure is the socket connection of the present invention. 3 is an exploded perspective view of another embodiment of the socket connector of the present invention; the fifth drawing is a perspective assembled view of the plug connector of the present invention; and the sixth figure is a three-dimensional exploded view of the plug connector of the present invention Figure 7 is a perspective assembled view of the plug connector of the present invention before the insulator is formed; the eighth figure is a cross-sectional view of the receptacle connector and the plug connector shown in the first figure taken along line VIII-VIII.

Referring to the first and second figures, the electrical connector assembly 100 of the present invention includes a receptacle connector 1 and a plug connector 2 for interworking. The socket connector 1 is mounted on the periphery of an electronic device such as a mobile phone, and its specific structure is as shown in the third and fourth figures.

The socket connector 1 includes an insulative housing 10 having a rectangular shape and a plurality of terminals and fixing members fixed in the insulative housing 10. The insulative housing 10 is provided with a cylindrical receiving cavity 110 extending in the longitudinal direction and forming a front opening 1101 and a rear opening 1102 at the front and rear ends of the insulative housing, respectively. As shown in the fourth figure, the insulative housing is provided with a first channel 101, a second channel 102, a third channel 103, a fourth channel 104, and a fifth channel 105 in the front-rear direction on both sides of the receiving cavity 110. The sixth channel 106, the eighth channel 108, and the seventh channel 107. The terminal includes a first terminal 11, a second terminal 12, and a fourth terminal 14, The fifth terminal 15, the sixth terminal 16, and the pair of seventh terminals 17. The fixing member includes a first fixing member 13 and a second fixing member 18.

The first channel 101 is located on one side of the receiving cavity and adjacent to the front opening 1101. The bottom surface of the insulating body 10 extends perpendicularly to the bottom surface in the longitudinal direction, and an opening 1011 is formed on the sidewall perpendicular to the bottom surface. Meanwhile, the first slot The track 101 is also in communication with the containment chamber 110. The first terminal 11 is a grounding terminal, and includes a flat body portion 111. The left and right sides of the body portion are further provided with a plurality of barbs. The first terminal 11 is inserted into the first channel 101 from the bottom surface of the insulative housing, and the barb interferes with the inner wall of the first channel 101 to fix the first terminal 11 to the insulative housing. The body portion 111 extends vertically and then is bent in the opposite direction to form a connecting portion 113. The connecting portion ends are bent outward to form a contact portion 114. The contact portion 114 partially protrudes into the receiving cavity 110. The other side of the body portion 111 is bent and extended to form a welded portion 112 that is snapped into the opening 1011 and is flush with the bottom surface of the insulating body.

The second channel 102 is elongated and located behind the first channel 101 and in communication with the first channel in the longitudinal direction. The second terminal 12 is a switch terminal that is received in the second channel 102 and cooperates with the ground terminal 11 in the first channel to form a switch. The second terminal 12 includes a plate-shaped body portion 121, a welded portion 122 that is vertically bent from the bottom of the body portion 121, and a connecting portion 123 that is bent forward from the front end of the body portion 121. The end of the connecting portion 123 is also bent outward to form a contact portion 124 that protrudes into the receiving cavity 110.

The third channel 103 extends from the top to the bottom of the insulating body, and the first fixing member 13 is received in the third channel 103 to improve the grabbing force of the socket connector. The first fixing member 13 is formed by stamping a metal piece, and includes a rectangular main body portion 131 and a welded portion 133 which is bent and extended from the bottom portion of the main body portion. Barbs 132 and third slots are also provided on both sides of the main body The inner wall of the track 103 interferes with the buckle.

The fourth channel 104, the fifth channel 105, and the sixth channel 106 are located on the other side of the housing cavity 110 opposite to the second channel 102 and the third channel 103, and are arranged rearward from the front opening 1101. . The fourth terminal 14, the fifth terminal 15, and the sixth terminal 16 are all audio terminals, and are respectively received in the fourth, fifth, and sixth channels, wherein the fourth terminal 14 is a microphone terminal, and the fifth terminal 15 is The right channel terminal and the sixth terminal 16 are left channel terminals. The structures of the fourth, fifth, and sixth channels 104, 105, and 106 are substantially the same as those of the first channel 101, and the structures of the fourth, fifth, and sixth terminals 14, 15, 16 are substantially the same as those of the first terminal 11, Therefore, the structure of these channels and terminals will not be described here.

The eighth channel 108 is disposed between the rear opening 1102 and the sixth channel 106 and disposed laterally. The second fixing member 18 is inserted into the eighth channel and spans both sides of the receiving cavity 110. The second fixing member 18 is formed by bending a wire, and includes a connecting portion 181 and a locking portion 182 extending perpendicularly downward from both sides of the connecting portion 181 and then bent in the opposite direction. The latching portion 182 holds the plug connector 2 when the plug connector 2 is inserted into the receiving cavity 110 to prevent the plug connector 2 from coming off the receiving cavity 110.

The insulating body is provided with a dividing portion 109 behind the eighth channel 108. The rear opening 1102 is disposed on the dividing portion 109. The diameter of the rear opening 1102 is smaller than the diameter of the front opening 1101. The dividing portion 109 divides the receiving cavity 110 into two parts, a front receiving cavity and a rear receiving cavity, a portion between the front opening 1101 and the rear opening 1102, that is, a front receiving cavity, and a portion behind the dividing portion, that is, a rear receiving cavity.

The seventh channel 107 is located on the insulating body on both sides of the rear receiving cavity behind the rear opening 1102. The seventh terminals 17 are respectively accommodated therein. The seventh terminal 17 is a pair of power terminals and is oppositely disposed, and includes a body portion 171, a fastening portion 174 extending vertically from the body portion, a contact portion 172 extending outward from a side of the body portion, and a self-body A welded portion 173 that extends vertically and then bends vertically outward.

The insulative housing 10, the terminals 11, 12, 14, 15, 16 and the fixing members 13, 18 between the front and rear openings 1101, 1102 form a standard audio jack connector for transmitting audio signals, so the standard audio plug The connector can be inserted smoothly for audio signal transmission. At the same time, the power terminal 17 disposed on the insulative housing after the rear opening 1102 forms a complete conductive path with the ground terminal 11 disposed on the insulative housing before the rear opening 1102, thus forming a power socket connector. Since the diameter of the rear opening 1102 on the dividing portion 109 is smaller than the diameter of the front opening 1101, the audio plug connector is not excessively inserted into the rear receiving cavity, and the specific function will be described later. The socket connector of the present invention can simultaneously have the function of transmitting audio signals and currents, thereby reducing the number of connectors installed around the periphery of the electronic device, facilitating the reduction of the volume of the electronic device and the reduction of the cost.

As shown in the fifth and sixth figures, the plug connector 2 has a cylindrical shape and is formed by stacking a plurality of cylindrical collars, including a first joint body 26, a second joint body 25, and a first kit 24. The second kit 23, the third kit 22, and the wiring portion 21.

The wiring portion 21 is assembled layer by layer by four circular sleeves, the inner sleeve is longer than the outer sleeve, and each sleeve is filled with plastic to achieve the effect of isolating each other. The wiring portion includes, in order from the outside to the inside, a first terminal 211 located at the outermost layer, a second terminal 212 of the inner layer, a third terminal 213 of the inner layer, and a fourth terminal 214 of the innermost layer, each of the terminals Different cables are connected to transmit different signals.

The first joint main body 26 includes an elongated rod-shaped first connecting portion 262 and a cylindrical first contact portion 261 fixed to the front end of the first connecting portion 262. The second joint body 25 includes an elongated rod-shaped second connecting portion 252 and a cylindrical second contact portion 251 fixed to the front end of the second connecting portion 252, wherein the second contact portion 251 has a diameter much larger than the first contact portion. The diameter of 261. The second contact portion 251 and the second connecting portion 252 are both hollow structures, and the front end of the second contact portion 251 is further provided with an opening for the first connecting portion 262 to pass. The first set 24 and the second set 23 are respectively provided with cylindrical conductive portions 241, 231 and sleeves 242, 232 connected to the conductive portions. The third set 22 is also a hollow structure including a body portion 221 at the intermediate portion and a conductive portion 222 and a sleeve 223 respectively located on both sides. The diameter of the body portion 221 is larger than the diameter of the conductive portion 222 and the sleeve 223.

The third set 22 is sleeved outside the terminal portion 21, and the sleeve 223 is located on the outer side of the first terminal 211 to directly connect the ground cable. The sleeve 232 of the second set 23 passes through the conductive portion 222 of the third set 22 and the sleeve 223 and directly abuts against the first terminal 211. The diameter of the first terminal 211 is comparable to the diameter of the sleeve 232 of the second set 23 and is connected to a microphone cable. Likewise, the first kit 24 is inserted into the second kit 23 and its sleeve 242 abuts the second post 212 to connect the right channel audio cable. The second connector body 25 is inserted into the first kit 24 and abuts the third terminal 213 to connect the left channel audio cable. The first joint body 26 is inserted into the second joint body 25 and abuts against the fourth terminal 214 to connect the power source positive cable. At the end of the above assembly process, a semi-finished plug connector as shown in the seventh figure is obtained. At this time, there is a gap between adjacent components, and then the plastic is poured in the gap, and the adjacent components are cooled after the plastic is cooled. An insulator 27 is formed between them as shown in the eighth figure.

Before the first connector body 26 is inserted, the plug connector 2 is a standard audio plug. A head connector that transmits audio signals when connected to various cables. After the first joint body 26 is inserted, the first joint body 26 and the third sleeve 22 can be used as the positive and negative poles of the power plug, respectively, that is, can be used as a power plug connector. The plug connector 2 of the present invention can act as both an audio plug connector to transmit an audio signal and a power plug connector to carry current. This combined multi-function plug connector can reduce the number of accessories for electronic devices, thereby reducing the cost of electronic device manufacturers.

As shown in the eighth figure, when the plug connector 2 is inserted into the receiving cavity 110, the contact portion 114 of the ground terminal 11 moves inward to come into contact with the contact portion 124 of the switch terminal 12, at which time a signal is generated on the circuit board. The built-in speaker inside the electronic device is turned off. With further insertion of the plug connector 2, the left and right channel terminals 16, 15 are in electrical contact with the second contact portion 251 of the second joint body 25, the conductive portion 241 of the first set 24, respectively, and the microphone terminal 14 The conductive portion 231 of the second set 23 is electrically contacted, and the ground terminal 11 is in electrical contact with the conductive portion 222 of the third package 22, and the audio signal can be smoothly transmitted through the socket connector and the plug connector. Since the diameter of the second joint main body 25 is larger than the diameter of the rear opening 1102, the second joint main body 25 is blocked on the dividing portion 109 to prevent excessive insertion of the second joint main body 25. Since the diameter of the first joint main body 26 is smaller than the diameter of the rear opening 1102, the first joint main body 26 can pass through the rear opening 1102 and enter the rear receiving cavity, and is in electrical contact with the power terminal 17, and the grounding terminal 11 has been combined with the third. The conductive portion 222 of the package 22 is in electrical contact, and the socket connector and the plug connector can realize a current transfer function, that is, a charging function for the electronic device. That is, when the user inserts the plug connector 2 into the corresponding socket connector 1 on the electronic device, the user can not only receive the electronic device. The audio message can also send an audio message to the electronic device through the microphone, while the electronic device is still in a charging state. Of course, sometimes it may not be necessary to charge the electronic device, so the inventors considered that an adapter (not shown) can be provided on the plug connector 2 to control whether the electronic device is charged and whether the audio message in the electronic device is received. . The electrical connector assembly of the present invention not only helps to reduce the size of the electronic device but also effectively reduces the cost of the electronic device manufacturer.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and those skilled in the art will be able to make equivalent modifications or variations in accordance with the spirit of the present invention. It should be covered by the following patent application.

11‧‧‧First terminal

12‧‧‧second terminal

13‧‧‧First fixture

14‧‧‧fourth terminal

15‧‧‧ fifth terminal

16‧‧‧ sixth terminal

171‧‧‧ Main body

172‧‧‧Contacts

18‧‧‧Second fixture

27‧‧‧Insulator

109‧‧‧ Division

211‧‧‧First terminal

212‧‧‧second terminal

213‧‧‧ third terminal

214‧‧‧fourth terminal

221‧‧‧ Main body

222‧‧‧Contacts

223‧‧‧ casing

231,241‧‧‧Training Department

251‧‧‧Second contact

261‧‧‧First contact

Claims (11)

a socket connector comprising: an insulative housing comprising a first receiving cavity and a second receiving cavity communicating with each other; and a terminal comprising a grounding terminal, an audio terminal and a power terminal; wherein the grounding terminal and the audio terminal are received in the a power receiving terminal is disposed in the second receiving cavity, and a dividing portion is disposed between the first receiving cavity and the second receiving cavity. The first receiving cavity extends from the dividing portion in the front-rear direction and penetrates the insulating body to form a front opening. The dividing portion is further provided with a rear opening, and the diameter of the front opening is larger than the diameter of the rear opening. The socket connector of claim 1, wherein the audio terminal and the power terminal share a ground terminal to form a different path. The socket connector of claim 2, wherein the grounding terminal is located on a side of the first receiving cavity adjacent to the front opening, and the audio terminal is located on the other side opposite to the grounding terminal. The socket connector of claim 3, wherein the socket connector further comprises a switch terminal located on the same side as the ground terminal and forming a switch with the ground terminal. The socket connector of any one of claims 1 to 4, wherein the socket connector further comprises a fixing member comprising a connecting portion spanning the first receiving cavity and being connected a buckle portion on both sides of the portion, the buckle portion protruding into the first receiving cavity. The socket connector of claim 2, wherein a slot of the second receiving cavity adjacent to the rear opening is respectively provided with a slot, and the power terminal is disposed in the slot. The latching portion and the oppositely disposed contact portions projecting into the second receiving cavity. A plug connector for mating with the socket connector of claim 1, comprising: a first joint body and a second joint body, respectively provided with a contact portion and a connecting portion; and a plurality of sets respectively provided with a conductive portion And a sleeve, and a terminal connected to the connecting portion and the sleeve; wherein the first joint body is connected with the connecting portion to form a positive pole of the power plug connector, wherein a kit is connected with the connecting portion to form a negative pole of the power plug connector; the second connector body and the plurality of kits are respectively connected to the wiring portion to form an audio plug connector, wherein the first connector body and the second connector body are connected and are solid cylindrical, wherein The diameter of the contact portion of the first joint body is smaller than the diameter of the contact portion of the second joint body. The plug connector of claim 7, wherein the contact portion of the first connector body is located at one end of the plug connector and the terminal portion is located at the opposite end of the plug connector. The plug connector of claim 7 or 8, wherein the front end of the contact portion of the second joint body is further provided with an opening to allow the connection portion of the first joint body to pass. The plug connector of claim 9, wherein the plurality of kits comprise a first kit, a second kit, and a third kit that are sequentially enlarged in size, the third kit being located on an outer side of the wiring portion and including a ring shape The body portion, the conduction portion of the third set and the sleeve are respectively located on both sides of the body portion. The plug connector of claim 10, wherein the binding post comprises first, second, third and fourth terminals arranged in sequence from the outer phase, and the first, second, third and fourth The four terminals are respectively connected to the connecting portions of the second kit, the sleeve of the third kit, the second joint main body, and the first joint main body.