TWM524585U - Serial connector - Google Patents

Description

Sequence connector

The present invention relates to a serial connector, and more particularly to a universal serial bus connector.

The electrical pin arrangement of conventional serial connectors used in various standardized bus interface specifications and the corresponding configuration of the various electrical pins inside the connector are often subject to the influence of the definition of the relevant standardized bus interface specifications, especially Anti-electromagnetic interference, the arrangement of grounding pins and signal pins, and the corresponding configuration, can not be better arranged, so that it is easy to cause a large accommodation space or waste on the material of the pins; in addition, the conventional serial connection The terminal structure used in the device is prone to permanent deformation, deflection and insufficient strength after multiple insertions and removals. Furthermore, due to the definition of various standardized bus interface specifications, repeated electrical sequencing requires repeated pins. The space arrangement, if separated by isolation, the prior art signal cable often adopts a connectionless independent structure, there is no connected simultaneous operation, or the prior art signal cable pulls the connection structure, which will increase the problem that the accommodation space cannot be optimized. In addition, if the same terminal signal pin has no connection structure, the welding process complexity increases, and the prior art is not easy to simplify and increase the speed. speed.

In addition, the arrangement of the electrical pins of the conventional serial connector is limited by a limited space, so that the spatial arrangement of the signal line, the power line, and the ground line is often difficult to separate, or it is difficult to optimize the separation, so that the terminal The transmitted signal lines, power lines, and ground lines are prone to interference. As described above, the terminal structure of the conventional serial connector is susceptible to permanent deformation after being repeatedly inserted and removed. The problem of flexing and insufficient strength may cause short-circuiting, interference, or inability to stabilize the electrical connection of the signal transmitted between the docking connector plug and the slot, causing a signal transmission error.

In order to solve the above problems of the prior art, one of the main objects of the present invention is to provide a serial connector having a blade-type terminal structure capable of strengthening the mechanical strength of the integral terminal, in particular, after the contact portion of the blade-shaped terminal is inserted and removed multiple times. Can avoid permanent deformation, deflection and insufficient strength.

Another object of the present invention is to provide a serial connector having a plurality of ground terminals connected to each other by a first bridge and further electrically connected to adjacent ground clip arms to increase electrical conductivity.

Another object of the present invention is to provide a serial connector having a plurality of power terminals electrically connected to each other by a second bridge, the second bridge being like a large-area sheet-like solder. The external power supply signal (VBUS) is simultaneously wired to the plurality of power terminals, thereby simplifying and increasing the speed of the process.

Another object of the present invention is to provide a serial connector in which the soldering portion of the grounding terminal and the soldering end of the grounding strap arm are disposed in the same lower recess to correspond to the recessed solder cup in the lower recess for the soldering process The solder carried by the solder cup connects the solder portion to the solder end.

Another object of the present invention is to provide a serial connector in which a plurality of power terminals and a plurality of ground terminals are both blade-type terminal structures for respectively providing a large power supply (VBUS) and a ground (GND) conductive region. , thereby reducing the impedance and improving the conductivity.

In order to achieve the above creative purpose, the present invention provides a serial connector for electricity And a first insulative connector, comprising: a first insulative housing having a body, an extension and a plurality of rows of channels extending between the base and the extension; and a second insulative housing for being disposed on the a plurality of spaced apart grooves are formed at the rear end of the first insulative body; a conductive housing having a hollow inner cavity for receiving the first insulative housing and the second insulative housing; The terminal has at least one contact portion disposed in the opposite channel of the first insulative housing, and a soldering portion is disposed in the corresponding recess of the second insulative housing, the plurality of terminals including at least a plurality of grounding terminals a power supply terminal and a plurality of signal terminals; and a pair of buckle arms for holding the mating connector and electrically connecting at least one of the ground terminals, wherein the plurality of ground terminals and at least one of the plurality of power terminals For the blade type terminal, at least one contact portion of each of the blade-shaped terminals is a punch-cut protrusion.

The second insulative housing further defines an insulating block portion, an intermediate block portion and a rear cover. The insulating block portion is disposed through the rear end of the plurality of terminals, and the insulating block portion and the back cover are received therein. The inner cover portion extends from the base body into the extension portion, and the rear cover forms the plurality of grooves.

Each of the blade-shaped terminals includes a body portion extending vertically. The front end of the body portion is formed with a plurality of upper and lower spaced contact portions to be respectively disposed in different rows of the first insulating body.

Each of the plurality of power terminals and each of the plurality of ground terminals is a blade-type terminal.

At least two of the power terminals are blade-type terminals, and a bridge body is formed between the at least two power terminals to vertically connect the body portion of the at least two power terminals, so that the bridge body serves as the at least two power terminals The common welding portion, the body portion of the at least two power terminals and the bridge body jointly define a passage for the intermediate block portion to pass through.

The plurality of grooves include at least a lower recess for receiving the soldering portion of the at least two power terminals.

Each of the buckle arms is a blade-shaped hook-shaped body, and has a fastening end, a fixed end and a welding end, wherein the fastening end is a punch-cut protrusion for holding the docking connector, and A slot is formed on each side of the base body to respectively fix the fixed end of the pair of buckle arms, and the fixed end forms a convex portion, and the protrusion penetrates the slot to electrically abut the conductive housing.

At least two of the grounding terminals are blade-shaped terminals and respectively adjoin the pair of latching arms, and the side edges of each of the latching arms are bent to form a vertical portion, and a bridge body is connected between the vertical portions of the pair of latching arms, the bridge The at least two grounding terminals have an outer convex hull for electrically contacting the vertical of the pair of latching arms, respectively. unit.

The plurality of recesses include at least a lower recess, and the soldering portion of the grounding terminal adjacent to the corresponding latching arm and the soldering end of the corresponding latching arm are received in the same lower recess, the at least one recess A recessed solder cup is further formed in the groove.

The plurality of signal terminals are elastic arm type terminals and are insert-molded with the second insulating body, and the contact portion of each of the elastic arm type terminals is bent and formed outside the intermediate block portion.

The contact portions of the at least two of the signal terminals are respectively a stamped downward bend and a stamped upward bend, and are respectively disposed in different rows of the first insulating body.

The plurality of grooves includes a plurality of upper grooves arranged in a spaced apart manner for respectively receiving the soldering portion of the signal terminal.

9‧‧‧Sequence connector

111‧‧‧Welding Department

112‧‧‧welding end

12‧‧‧ Back cover

121‧‧‧Intermediate block

122‧‧‧Upper groove

123‧‧‧ Lower groove

124‧‧‧Insulation block

125‧‧‧Second insulation body

126‧‧‧ welding cup

13‧‧‧ Terminal

130‧‧‧Bridge

131‧‧‧ buckle arm

1311‧‧‧ fixed end

1312‧‧‧Bucking end

132‧‧‧First bridge

133‧‧‧Second bridge

1332‧‧‧ channel

134‧‧‧ convex

135‧‧‧ vertical section

1361‧‧‧Contacts

1362‧‧‧ Body Department

14‧‧‧First Insulation Body

141‧‧‧ body

142‧‧‧Extension

143‧‧‧ slot

146‧‧‧Anti-electromagnetic interference tablets

147‧‧‧ channel

148‧‧‧ tongue plate

15‧‧‧Electrical housing

151‧‧‧ bulging

152‧‧‧Outer convex hull

157‧‧‧The rear of the casing

158‧‧‧ front of the casing

GND‧‧‧ Grounding terminal

VBUS‧‧‧ power terminal

D+, D-, CC, VCONN‧‧‧ various signal terminals

BRIEF DESCRIPTION OF THE DRAWINGS The schematic diagram of the serial connector of the present invention is briefly described as follows: Fig. 1 is a perspective view showing a combination of a serial connector according to a preferred embodiment of the present invention; and Fig. 2 is a front view showing the serial connector of Fig. 1 3D is a perspective view showing the structure of the serial connector of FIG. 1 from the rear to the front; FIG. 4 is a perspective view showing the structure of the plurality of terminals of the serial connector of FIG. 1; 1 is a combined perspective view of a plurality of terminals of the serial connector in combination with the second insulative housing; and FIG. 6 is a combined perspective view showing another perspective of the serial connector of the serial connector of FIG. 1 combined with the second insulative housing.

Referring to FIGS. 1 and 2, there is shown a serial connector 9 according to a preferred embodiment of the present invention, which is electrically connected to a pair of connectors (not shown), and the structure mainly includes: a first insulative body 14 a second insulative housing 125, a conductive housing 15, a plurality of terminals 13, a pair of latch arms 131, and upper and lower anti-electromagnetic interference sheets 146.

Referring to FIGS. 1 to 3 , the first insulative housing 14 has a body 141 , an extension 142 connecting the base 141 , and a plurality of rows of channels 147 extending from the base 141 and the extension 142 . between. The inside of the seat body 141 forms a hollow inner cavity and two slots 143 are formed on both sides thereof, and the seat body 141 is for receiving the front portion 158 of the housing. The extending portion 142 has a hollow inner cavity for communicating with the hollow inner cavity of the seat body 141. The extending portion 142 is for receiving the rear portion 157 of the casing, and the two electromagnetic interference preventing sheets 146 are respectively located above the extending portion 142. And below to provide electromagnetic interference. In the preferred embodiment, a tongue 148 is further formed in the extending portion 142 of the first insulative housing 14 for separating the plurality of rows of channels 147 into at least two rows of channels 147.

Referring to FIG. 1 , the conductive housing 15 includes a housing rear portion 157 connected to a housing front portion 158 , and a hollow inner cavity is formed therein for receiving the first insulative housing 14 and the second insulative housing 125 . .

Referring to FIGS. 2 and 3, the second insulative housing 125 further defines an insulating block portion 124, an intermediate block portion 121, and a rear cover 12. The insulating block portion 124 is provided for the rear end of the plurality of terminals 13. The insulating block portion 124 and the rear cover 12 are received in the base body 141 and extend from the base body 141 into the extending portion 142. The rear cover 12 forms the plurality of grooves 122,123.

The plurality of terminals 13 of the serial connector 9 of the preferred embodiment of the present invention conform to the specifications of the respective signal contacts of the universal serial bus (USB) standard. For the specifications of the signal contacts, refer to the following Table 1:

Because in the universal serial bus (USB) standard, usually GND represents the ground signal, VBUS represents the power signal, D+, D-, CC, VCONN represents the various serial signal contacts of the universal serial bus (USB), used here The plurality of ground terminals GND, the plurality of power terminals VBUS, and the plurality of signal terminals D+, D-, CC, VCONN respectively represent the serial connector of the present invention. The above A sequence number and B sequence number are used to describe the universal sequence bus The corresponding contact number of (USB).

Referring to FIGS. 2 and 3, the plurality of terminals 13 includes at least a plurality of ground terminals GND, a plurality of power terminals VBUS, and a plurality of signal terminals D+, D-, CC, VCONN, wherein the outermost two of the connectors 9 are located. The side terminal 13 is the ground terminal GND to correspond to the ground contact GND (ground) of the above-mentioned Table 1, and the two terminals 13 arranged at the middle of the connector 9 are the power terminal VBUS to correspond to the power contact VBUS of the above Table 1. The plurality of terminals 13 arranged between the two power terminals VBUS are a plurality of signal terminals D+, D-, CC, VCONN corresponding to the signal contacts D+, D-, CC, VCONN in the above Table 1.

Referring to FIGS. 2 and 4, each of the terminals 13 has at least one contact portion 1361 for being disposed in the opposite channel 147 of the first insulative housing 14, and a soldering portion 111 is disposed on the second insulative housing. In the corresponding recess 122 or 123 of the 125, at least one of the plurality of grounding terminals GND and the plurality of power supply terminals VBUS is a blade-type terminal, since each of the blade-shaped terminals is fabricated by a punching and forming process The at least one contact portion 1361 of the blade-shaped terminal is a punch-formed protrusion. Referring to the second and fourth embodiments, in the embodiment, the two power terminals VBUS and the two ground terminals GND are blade-type terminals, and each of the blade-shaped terminals further includes a body extending vertically. The portion 1362 is formed to enlarge the conductive region. The front end of the main body portion 1362 is formed with two upper and lower contact portions 1361 respectively disposed in the upper and lower rows of the first insulating body 14 .

Referring to FIG. 2 and FIG. 4, the pair of latching arms 131 are disposed on the left and right sides of the serial connector 9. Each of the latching arms 131 presents a blade-shaped hook-shaped body and has a latching end 1312. The fixed end 1311 and the soldering end 112 are a punched and formed inward protrusion and are disposed outside the corresponding slot 143 of the base 141 for holding the mating connector. Fixed end The first slot 143 is fixed to the corresponding slot 143 of the base 141, and the fixed end 1311 defines a protrusion 134. The protrusion 134 is transversely disposed outside the slot 143 to electrically abut the conductive shell. The inner convex hull 151 at the rear of the body 15. The plurality of terminals 13 are located between the pair of latching arms 131, such that the two grounding terminals GND are respectively adjacent to the pair of latching arms 131, and the sides of each of the latching arms 131 are bent to form a vertical portion 135. A horizontal first bridge 132 is formed between the portions 135 to connect the pair of latch arms 131 to each other; please refer to FIGS. 4 and 5, the first bridge 132 spans the two ground terminals GND And being attached to one side of the insulating block portion 124 of the second insulative housing 125, an outer convex hull 152 is formed on the main body portion 1362 of the two grounding terminals GND for electrically resisting The vertical portion 135 of the pair of latching arms 131 connects the two grounding terminals GND and the pair of latching arms 131 to form a larger grounded conductive region, thereby reducing impedance.

Referring to FIGS. 4 and 5, a horizontal second bridge 133 is formed between the two main body portions 1362 of the two power terminals VBUS, so that the two power terminals VBUS are electrically connected to each other. The second bridge 133 serves as the soldering portion shared by the two power terminals VBUS, and is further combined into a large conductive region to reduce the impedance; please refer to FIGS. 4 and 5, the body portion 1362 of the two power terminals VBUS. And the second bridge 133 further defines a channel 1332 for the intermediate block portion 121 of the second insulative housing 125 to pass through.

Referring to FIG. 5, in the embodiment, the plurality of signal terminals D+, D-, CC, and VCONN are a type of elastic arm type terminals, and the contact portion 1361 at the front end of each of the elastic arm type terminals is formed by stamping. The plurality of signal terminals D+, D-, CC, and VCONN are embedded in the second insulative housing 125, thereby causing the contact portions 1361 of the plurality of signal terminals D+, D-, CC, and VCONN to be adjacent to each other. The insulating block portion 124 is arranged to pass outside the front end of the intermediate block portion 121, and the solder portion 122 is disposed outside the rear of the insulating block portion 124. With the structure of the intermediate block portion 121, The plurality of signal terminals D+, D-, CC in the same row are vertically separated from the signal terminals VCONN in the other row, wherein the contact portions 1361 of the plurality of signal terminals D+, D-, CC are one The stamping portion is bent downward, and the contact portion 1361 of the other signal terminal VCONN is bent upwardly by a press forming to be respectively disposed on the upper and lower rows of the first insulating body 14 as shown in FIG. Inside the channel 147. Referring to FIG. 5, in the embodiment, the upper side of the back cover 12 of the second insulative housing 125 is formed with a plurality of spaced upper grooves 122 for respectively receiving the plurality of signal terminals D+, D. -, CC, VCONN welding portion 111.

Referring to FIG. 6, the lower side of the rear cover 12 of the second insulative housing 125 is formed with a plurality of adjacently spaced and spaced lower recesses 123 for receiving the soldering portions 111 of the two grounding terminals GND, respectively. A welded portion (ie, the second bridge) 133 of the two power terminals VBUS, and a welded end 112 of the pair of latch arms 131. The soldering portion (ie, the second bridge) 133 of the two power terminals VBUS is accommodated in one of the lower recesses 123 of the intermediate position, and the soldering portion 111 of each of the ground terminals GND is adjacent thereto. The welding ends 112 of the buckle arms 131 are respectively received in the remaining two lower grooves 123 located at the outermost side. Referring to FIG. 3 again, in the present embodiment, the remaining two lower recesses 123 on the outermost side further form a recessed solder cup 126 through which the terminals 13 and the corresponding wires are soldered. The solder carried is such that the soldering portion 111 of each of the grounding terminals GND is soldered to the soldering end 112 of the adjacent latching arm 131.

Referring to FIGS. 2 and 6, in the embodiment, a plurality of holes are formed in the second insulative housing 125 to accommodate the terminals 13 to form a partition insulation. The ground terminals GND including the outermost sides of the array are respectively located. In the two holes outside the two sides of the insulating block portion 124, the two power supply terminals VBUS are also located in the two holes in the insulating block portion 124 adjacent to both sides of the intermediate block portion 121.

Referring to FIG. 2 to FIG. 4 , the outer convex hull 152 of the two ground terminals GND electrically abuts the vertical portion 135 of the corresponding buckle arm 131 and the two ground terminals GND located in the solder cup 126 . The soldering portion 111 and the soldering end 112 of the corresponding latching arm 131 are soldered to the grounding signal contact (see Table 1), and the first bridging body 132 is electrically connected to the latching arm 131, and The convex portion 134 of the pair of latching arms 131 electrically abuts the inner convex hull 151 of the front portion 158 of the housing, thereby establishing a large grounding path and area.

The sequence connector 9 of the present invention not only conforms to the standard definition specifications of the universal serial bus, but also optimizes space integration, optimizes electromagnetic interference prevention, optimizes the arrangement of ground pins and signal pins, and optimizes the placement of the separation space itself. .

The blade terminal of the plurality of terminals 13 of the serial connector 9 of the present invention uses a blade-shaped hook body to strengthen the elastic shape, the flexibility and the strength structure of the grounding pin 131 to solve the conventional connector terminal. After the second insertion, the problems of elasticity, flexibility, and insufficient strength are apt to occur.

The front end of the blade terminal used in the plurality of terminals 13 of the serial connector 9 of the present invention forms a plurality of the contact portions 1361 which are vertically partitioned, so that a stable clamping force can be generated.

The sequence connector 9 of the present invention provides a large conductive area of power (VBUS) and ground (GND) to reduce impedance and improve conductivity.

The power supply terminal VBUS of the serial connector 9 of the present invention uses the second bridge 133 as a common soldering portion. Therefore, when the external power supply signal (VBUS) line is connected, only the second bridge 133 needs to be connected, Two blade-type terminals connected to the power supply terminal VBUS simplify and increase the speed of the process.

In addition, the present invention provides a sequence connector that can be specifically applied in corresponding Industrial applications for serial connectors, sockets and sockets.

The above descriptions are merely illustrative of the preferred embodiments or examples of the technical means employed to solve the problems, and are not intended to limit the scope of the invention. Any change or modification that is consistent with the scope of the patent application scope of this creation or the scope of the patent creation is covered by the scope of the creation patent.

9‧‧‧Sequence connector

111‧‧‧Welding Department

112‧‧‧welding end

12‧‧‧ Back cover

121‧‧‧Intermediate block

122‧‧‧Upper groove

123‧‧‧ Lower groove

124‧‧‧Insulation block

125‧‧‧Second insulation body

126‧‧‧ welding cup

13‧‧‧ Terminal

131‧‧‧ buckle arm

132‧‧‧First bridge

133‧‧‧Second bridge

1332‧‧‧ channel

1362‧‧‧ Body Department

134‧‧‧ convex

135‧‧‧ vertical section

14‧‧‧First Insulation Body

141‧‧‧ body

142‧‧‧Extension

143‧‧‧ slot

146‧‧‧Anti-electromagnetic interference tablets

147‧‧‧ channel

15‧‧‧Electrical housing

151‧‧‧ bulging

152‧‧‧Outer convex hull

157‧‧‧The rear of the casing

158‧‧‧ front of the casing

GND‧‧‧ Grounding terminal

VBUS‧‧‧ power terminal

D+, D-, CC, VCONN‧‧‧ various signal terminals

Claims (12)

A serial connector for electrically connecting a pair of connectors, comprising: a first insulative housing having a body, an extension, and a plurality of rows of channels extending between the base and the extension; a second insulating body, configured to be disposed at a rear end of the first insulating body and forming a plurality of spaced apart grooves; a conductive housing having a hollow inner cavity for receiving the first insulating body and the second insulating body a plurality of terminals, each of the terminals having at least one contact portion disposed in the opposite channel of the first insulative housing, and a soldering portion disposed in the corresponding recess of the second insulative housing, the plurality of terminals The device includes at least a plurality of grounding terminals, a plurality of power terminals, and a plurality of signal terminals, and a pair of latching arms for holding the mating connector and electrically connecting at least one of the grounding terminals; wherein the plurality of grounding terminals and the number At least one of the power terminals is a blade type terminal, and at least one contact portion of each of the blade terminals is a punched and formed protrusion. The serial connector of claim 1, wherein the second insulative housing further defines an insulating block portion, an intermediate block portion and a back cover, wherein the insulating block portion is provided for the rear end of the plurality of terminals The insulating block portion and the back cover are received in the seat body and the intermediate block portion extends from the seat body into the extending portion, and the back cover forms the plurality of grooves. The serial connector of claim 2, wherein each of the blade-shaped terminals includes a body portion extending vertically, the front end of the body portion forming a plurality of upper and lower portions of the contact portion to be respectively disposed on The first insulating body is in a different row of channels. The serial connector of claim 1, wherein each of the plurality of power terminals and the plurality of ground terminals is a blade-type terminal. The serial connector of claim 3, wherein at least two of the power terminals are blade-type terminals, and a bridge is formed between the at least two power terminals to vertically connect the at least two power terminals. The body portion is configured to serve as the welding portion shared by the at least two power terminals, and the body portion and the bridge body of the at least two power terminals collectively define a passage for the intermediate block portion to pass through. The serial connector of claim 5, wherein the plurality of grooves comprise at least a lower recess for receiving the soldering portion of the at least two power terminals. The serial connector of claim 3, wherein each of the buckle arms is a blade-shaped hook-shaped body, and has a fastening end, a fixed end and a welding end, wherein the fastening end is a punch Cutting the protrusion for holding the mating connector, and forming a slot on each side of the body to respectively fix the fixed end of the pair of latch arms, and the fixed end forms a convex portion, the convex portion is worn The slot is configured to electrically abut the conductive housing. The serial connector of claim 7, wherein at least two of the grounding terminals are blade-shaped terminals and respectively adjoin the pair of latching arms, and each of the latching arms is bent to form a vertical portion, the pair A bridge body is connected between the vertical portions of the buckle arm, the bridge body spans the at least two grounding terminals and fits to one side of the insulating block portion, and the at least two ground terminals each have an outer convex hull And for electrically abutting the vertical portion of the pair of buckle arms. The serial connector of claim 8, wherein the plurality of grooves comprise at least a lower groove, the welded portion of the ground terminal adjacent to the corresponding buckle arm, and the welded end of the corresponding buckle arm The recess is placed in the at least one lower recess, and a recessed solder cup is further formed in the at least one recess. The serial connector of claim 2, wherein the plurality of signal terminals are spring-arm type terminals and are insert-molded with the second insulating body, and the contact portion of each of the elastic arm-type terminals is formed by stamping. The bend is bent and passed outside the intermediate block. The serial connector of claim 1, wherein the contact portions of at least two of the signal terminals are respectively a press-formed downward bend and a stamped upward bend, and are respectively disposed on the first In the different rows of channels of the insulating body. The serial connector of claim 11, wherein the plurality of grooves comprise a plurality of spaced upper grooves for respectively receiving the soldering portion of the signal terminal.