CN112018546B

CN112018546B - Socket connector and connector combination

Info

Publication number: CN112018546B
Application number: CN201910456067.9A
Authority: CN
Inventors: 陈锋
Original assignee: Molex Interconnect Shanghai Co Ltd; Molex LLC
Current assignee: Molex Interconnect Shanghai Co Ltd; Molex LLC
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2021-12-10
Anticipated expiration: 2039-05-29
Also published as: TW202044684A; CN112018546A; TWI718622B

Abstract

The invention provides a socket connector and a connector assembly. The socket connector comprises a socket shell and a grounding shell, wherein the socket shell is provided with a base and a first butt joint part, and the grounding shell is provided with a substrate arranged on the base. The plug connector comprises a plug shell, a shielding shell and a conductive rotary locking piece, wherein the plug shell is provided with a second butt joint part in butt joint with the first butt joint part of the socket shell, the shielding shell covers the plug shell and is connected with a cable and a contact grounding shell, and the rotary locking piece can be pivoted to a locking position of the electric connection grounding shell in a locking way. The socket connector further comprises a plurality of first terminals and a plurality of second terminals respectively connected to a flexible circuit board and a plurality of wires, and at least one grounding terminal.

Description

Socket connector and connector combination

Technical Field

The present invention relates to a socket connector and a connector assembly, and more particularly, to a socket connector and a connector assembly with a grounding structure.

Background

Japanese patent publication No. JP3449947B2 discloses an electric connection box lever structure whose lever is integrally formed and is substantially U-shaped, and includes a pair of cam side plates extending parallel to each other from both ends of a lever-shaped operating portion. A pair of lever supporting portions are provided on both sides of a connector fitting portion, supporting shafts of which are provided to rotatably support and be inserted into bearing holes of cam side plates of the lever, respectively. A guide groove formed on an inner side surface of the cam side plate extends from an upper edge of the lever around the bearing hole in an initial set state. A pair of guide pins respectively engaged with the guide grooves are provided in a protruding manner on both side surfaces of the multipolar connector. When the lever is slightly pressed, the guide pin is introduced into the introduction guide portion of the guide groove in the initial setting state and at the upper edge of the cam side plate of the lever. Then, continuing to rotate the lever, the guide pin disposed along the approximate center line of the multipolar connector moves downward toward the center of the support shaft as the radius of gyration of the guide groove decreases, to achieve a latching action.

World intellectual property organization publication number WO2004/070883a2 discloses a connector element for wiring a masked cable to an electrical apparatus, comprising a first connector connected to the masked cable and a second connector connected to the electrical apparatus, the first connector comprising an inner housing comprising a gripping portion for gripping an exposed masking member of the masked cable. The first connector further includes a plurality of signal terminals and at least one ground terminal, the ground terminal being in contact with a portion of the inner housing. The second connector includes a second insulating housing supporting a plurality of signal terminals and at least one ground terminal therein, the ground terminal of the second connector having a first contact portion contacting the inner housing of the first connector and a second contact portion disposed at an opening edge of the hole in which the screw is disposed. The screw contacts the ground terminal of the second connector and the frame of the electrical apparatus, so that the ground terminal of the second connector and the frame are electrically connected to each other by the screw. Wherein when the first and second connectors are mated together two distinct ground paths are formed, a first ground path extending from the shroud member through the inner housing to the ground terminal of the first connector and the ground terminal of the second connector, and a second ground path extending from the shroud member through the inner housing and through the ground terminal of the second connector to the outer housing of the electrical device.

In the first prior art, a lever type locking structure is disclosed, and in the second prior art, a shielding layer-inner housing-ground terminal of the second connector of the shielded cable-ground path and structure of the electrical device are disclosed. However, in order to meet the design requirements of the electronic devices at present, the connector structures of the two prior arts still need to be further improved.

Disclosure of Invention

Accordingly, it is an object of the present invention to provide a socket connector and a connector assembly with a grounding structure.

Accordingly, in some embodiments, the receptacle connector of the present invention includes a receptacle housing, a flexible circuit board, a plurality of first terminals, a plurality of second terminals, and at least one ground terminal. The socket housing has a mating portion. The socket shell is provided with a plurality of first terminals, each first terminal is provided with a butt joint section and a tail section, the butt joint section is positioned in the butt joint part, and the tail section is connected to the flexible circuit board. The socket shell is provided with a plurality of second terminals, each second terminal is provided with a butt joint section and a tail section, the butt joint section is positioned in the butt joint part, and the tail sections of the second terminals are respectively connected with the wires. The ground terminal has a mating segment located within the mating portion.

In some embodiments, the socket housing further includes a base, and the socket connector further includes a grounding shell having a substrate embedded in the base, the grounding terminal being integrally formed on the substrate.

In some embodiments, the plurality of first terminals are encoding terminals, and the plurality of second terminals include a set of power supply terminals and a set of brake terminals.

In some embodiments, the plurality of first terminals are arranged in a row, the ground terminal is in a same row as the plurality of first terminals and is located outside the row, the plurality of second terminals are arranged in another row and is located side by side with the row in which the plurality of first terminals are arranged, and the set of power supply terminals in the plurality of second terminals is biased against the ground terminal.

In some embodiments, the grounding shell is electrically connected to a chassis of a device.

In some embodiments, the base has a plurality of first holes, the substrate of the grounding shell extends into the plurality of first holes, the substrate has a plurality of second holes corresponding to the plurality of first holes, and a plurality of fasteners respectively contact the substrate of the grounding shell, pass through the first holes and the second holes, and are fixed to the housing of the device, so that the grounding shell is electrically connected to the housing of the device.

In some embodiments, the grounding shell further has a locking portion integrally configured with the substrate, the locking portion being located at an outer side with respect to the abutting portion at a distance, and a plate portion exposed on an outer wall surface of the abutting portion.

Thus, the connector assembly of the present invention, in some embodiments, includes a receptacle connector and a plug connector. The socket connector comprises a socket shell and a grounding shell, wherein the socket shell is provided with a base and a first butt joint part, the grounding shell is provided with a substrate, a locking part and a first contact part which are integrally formed from the substrate, the substrate is arranged on the base, and the grounding shell is electrically connected with a machine shell of a device. The plug connector comprises a plug shell, a shielding shell and a conductive rotary locking piece, wherein the plug shell is provided with a second butt joint part in butt joint with the first butt joint part of the socket shell, the shielding shell covers the plug shell, the shielding shell is provided with a connecting part connected to a shielding layer of a cable and a second contact part in contact with the first contact part of the grounding shell, the rotary locking piece can pivot between an unlocking position and a locking position, and when the locking position is achieved, the rotary locking piece is electrically and connectively locked on the locking part of the grounding shell.

In some embodiments, the socket connector further comprises a flexible circuit board, a plurality of first terminals disposed in the socket housing, each first terminal having a mating section and a tail section, the butt-joint section is positioned in the first butt-joint part, the tail section is connected with the flexible circuit board, a plurality of second terminals are arranged in the socket shell, each second terminal is provided with a butt-joint section and a tail section, the butt-joint section is positioned in the first butt-joint part, the tail sections of the plurality of second terminals are respectively connected with the plurality of wires, the grounding terminal is integrally formed on the substrate of the grounding shell and is provided with a butting section positioned in the first butting part, the plug connector further comprises a plurality of plug terminals arranged in the second butting part and used for butting the plurality of first terminals, the plurality of second terminals and the grounding terminal.

In some embodiments, the substrate of the ground shell is embedded in the base of the socket housing, the base has a plurality of first holes, the substrate of the ground shell extends into the plurality of first holes, the substrate has a plurality of second holes corresponding to the plurality of first holes, and the plurality of fasteners respectively contact the substrate of the ground shell and pass through the first holes and the second holes and are fixed to the housing of the device, so that the ground shell is electrically connected to the housing of the device through the plurality of fasteners.

In some embodiments, the plug connector further comprises a housing covering the shielding shell, the rotating latch member being pivotally disposed on the housing; the locking part is arranged on the outer side relative to the first butt joint part at a spacing interval, and the first contact part is exposed on the outer wall surface of the first butt joint part.

In some embodiments, the locking portion of the ground shell is formed with a locking protrusion, the rotary locking member is formed with a locking groove correspondingly matched with the locking protrusion of the locking portion, in the unlocking position, the locking protrusion of the locking portion is located outside the locking groove of the rotary locking member, and in the locking position, the locking protrusion of the locking portion is correspondingly received in the locking groove of the rotary locking member.

In some embodiments, the housing is formed with a first engaging structure, the rotary locking member is formed with a second engaging structure correspondingly engaged with the first engaging structure, and the second engaging structure of the rotary locking member is engaged with the first engaging structure of the housing in the locking position.

In some embodiments, the first fastening structure includes a fastening block and a concave point, and the second fastening structure includes a fastening hole corresponding to the fastening block and a convex point corresponding to the concave point.

In some embodiments, the first contact portion is plate-shaped, and the second contact portion has a spring plate for contacting a plate surface of the first contact portion.

The first terminals of the socket connector are simultaneously connected by a flexible circuit board, the second terminals are respectively connected with the leads, and the grounding terminal is integrally formed with the grounding shell, so that the assembly manufacturing process is simplified, the cost is reduced, the assembly line is easier to realize automation and modularization, and the production efficiency is improved. In addition, utilize this rotatory fastener that the hasp is simple quick to replace traditional screwed connection, can improve the butt joint packaging efficiency between this plug connector and this socket connector to can solve the problem that present screw fixation mode damaged easily at the spiral shell lock in-process. Moreover, when the rotating locking piece is pivoted to the locking position, the conductive rotating locking piece is electrically and electrically connected and locked on the grounding shell, so that the rotating locking piece can additionally provide the effects of shielding and preventing static electricity.

Drawings

Other features and technical effects of the present invention will be apparent from the embodiments with reference to the accompanying drawings, in which:

FIG. 1 is a perspective view of one embodiment of a connector assembly of the present invention, wherein the receptacle connector of the embodiment is mounted to a device and the plug connector is mounted to a cable, and the rotational latch of the plug connector is in a latched position;

FIG. 2 is an exploded perspective view of the plug connector with the rotational latch in the unlatched position;

fig. 3 is a plan view of the receptacle connector of the embodiment provided in the device;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

fig. 5 is a perspective view illustrating the receptacle connector of the embodiment;

FIG. 6 is a perspective view from a different perspective than FIG. 5;

fig. 7 is an exploded perspective view illustrating the receptacle connector of this embodiment;

FIG. 8 is an exploded perspective view from a different perspective than FIG. 7;

fig. 9 is an exploded perspective view illustrating the plug connector of this embodiment;

FIG. 10 is an exploded perspective view from a different perspective than FIG. 9;

FIG. 11 is a bottom view of the plug connector of the embodiment shown disposed on the cable;

fig. 12 is a perspective view of the plug connector of the embodiment mated with the receptacle connector, with a housing of the plug connector of the embodiment omitted and with the rotational latch of the plug connector in a latched position;

FIG. 13 is a front view of the plug connector mated with the receptacle connector with the rotating latches of the plug connector in latched positions; and

fig. 14 is a sectional view taken along line B-B in fig. 13.

Description of reference numerals:

10 connector combination

1 socket connector

11 socket shell

111 base

111a first hole

112 butt joint block

112a first butt joint part

112b are provided with mounting grooves

113 extended part

114 lower mounting groove

114a first mounting hole

12 ground shell

121 substrate

121a opening

121b second hole

121c second mounting hole

122 locking part

122a locking lug

123 board part

123a first contact part

124 ground terminal

124a butt-joint section

13 flexible circuit board

14 first terminal

141 butt-joint section

142 tail section

15 second terminal

15a power supply terminal

15b brake terminal

151 butt joint section

152 tail section

16 lower waterproof gasket

161 mounting convex column

17 upper waterproof gasket

2 plug connector

21 plug shell

211 second docking portion

212 first catching groove

22 plug terminal

23 Shielding case

231 first fastening piece

232 connection part

233 second contact part

233a spring plate

234 second buckle piece

24 outer cover

241 butt space

242 bottom opening

243 second catching groove

244 tube body

245 pivot

246 flange

246a is slotted

247 first fastening structure

247a fastener

247b pits

25 rotating lock fastener

251 pivot hole

252 locking groove

253 second fastening structure

253a buttonhole

253b salient point

254 grip part

20 device

20a casing

20b conducting wire

30 cable

30a lead wire

30b shielding layer

30c insulating layer

30d waterproof chock

30e locking element

40 fastener

D1 front-back direction

D2 left and right direction

D3 vertical direction

Detailed Description

Before the present invention is described in detail, it should be noted that in the following description, like elements are represented by like reference numerals.

Referring to fig. 1 and fig. 2, an embodiment of the connector assembly 10 of the present invention includes a receptacle connector 1 and a plug connector 2. The receptacle connector 1 is adapted to be disposed on a device 20, the plug connector 2 is adapted to be disposed on a cable 30, and the device 20 may be, for example, a servo motor in the embodiment, but not limited thereto.

Referring to fig. 3 to 8, the receptacle connector 1 includes a receptacle housing 11, a grounding shell 12, a flexible circuit board 13, a plurality of first terminals 14, and a plurality of second terminals 15. The socket housing 11 is made of an insulating material and has a base 111 and a butt-joint block 112. The base 111 is formed to extend in a front-rear direction D1 and a left-right direction D2 and is mounted to the housing 20a of the apparatus 20. The docking block 112 is formed by extending upward from the base 111 along an up-down direction D3, and has a first docking portion 112a located at the center and extending upward. The first mating portion 112a is a hollow rectangular body having a plurality of spaces in the present embodiment.

The ground shell 12 is made of metal and can be manufactured by metal die casting or metal sheet Molding, for example, and in this embodiment, the ground shell 12 is embedded in the socket housing 11 by Insert Molding (Insert Molding), so as to enhance the strength of the socket housing 11. The grounding shell 12 has a substrate 121 embedded in the base 111 of the socket housing 11, and two locking portions 122 and two plate portions 123 integrally formed from the substrate 121 and protruding out of the base 111. Specifically, two locking portions 122 extend upward from the substrate 121 to the upper surface of the base 111 and are spaced apart from the first mating portion 112a and located on the left and right outer sides, the substrate 121 has an opening 121a corresponding to the first mating portion 112a, and two plate portions 123 extend upward from the opening 121a of the substrate 121 to extend through the mating block 112 and are exposed on the front outer wall surface and the rear outer wall surface of the first mating portion 112a, respectively, so that the holding force between the socket housing 11 and the ground housing 12 can be further increased. The plate portion 123 located on the front outer wall surface of the first mating portion 112a serves as a first contact portion 123 a.

The base 111 has a plurality of first holes 111a, the substrate 121 of the grounding shell 12 extends into the plurality of first holes 111a, and the substrate 121 has second holes 121b respectively corresponding to the first holes 111 a. The diameter of the second hole 121b is smaller than that of the first hole 111a, and a fixing member 40, such as a metal bolt, can press against the substrate 121 contacting the grounding shell 12, pass through the first hole 111a and the second hole 121b and be fixed to the housing 20a of the apparatus 20, so that the grounding shell 12 is electrically connected to the housing 20a of the apparatus 20 through the fixing members 40.

A plurality of first terminals 14 are disposed on the socket housing 11, each first terminal 14 has a butt section 141 and a tail section 142. The docking section 141 is located in the first docking portion 112a, and the tail section 142 is connected to the flexible circuit board 13. A plurality of second terminals 15 are disposed in the receptacle housing 11, each second terminal 15 having a mating section 151 and a tail section 152. The docking section 151 is located in the first docking portion 112a, the tail sections 152 of the second terminals 15 are mechanically and electrically connected to the wires 20b, respectively, and the flexible circuit board 13 and the wires 20b extend into the housing 20a of the device 20 and are electrically connected to the device 20.

A ground terminal 124 is integrally formed on the ground shell 12, and the ground terminal 124 has a docking section 124a located in the first docking portion 112a, but in other embodiments, the number of the ground terminals 124 may be two or more. In detail, in the present embodiment, the first terminals 14 are encoding terminals, the second terminals 15 include a power supply terminal 15a and a brake terminal 15b, the first terminals 14 are arranged in a row, the ground terminal 124 is arranged in the same row as the first terminals 14 and located outside the row, the second terminals 15 are arranged in another row and arranged in parallel with the row in which the first terminals 14 are arranged, and the power supply terminal 15a of the second terminals 15 is biased against the ground terminal 124.

The plurality of first terminals 14 of the socket connector 1 are connected simultaneously by one flexible circuit board 13, so that all the first terminals 14 can be electrically connected at one time by connecting the other end of the flexible circuit board 13 with another flexible circuit board in the device 20 by a connector. The plurality of second terminals 15 are connected to a plurality of wires 20b, respectively, wherein each wire 20b of each power terminal 15a is electrically connectable to a power interface at one location within the device 20, and each wire 20b of a set of brake terminals 15b is electrically connectable to a brake signal interface at another location within the device 20. Through the structure and the arrangement, the assembly manufacturing process can be simplified, the cost is reduced, so that the assembly line is easier to realize automation and modularization, and the production efficiency is further improved.

In addition, in the present embodiment, the socket housing 11 further has an extending portion 113 formed by extending downward from the base 111 corresponding to the first mating portion 112a, and a lower mounting groove 114 formed on the bottom surface of the base 111 and surrounding the extending portion 113. The lower mounting groove 114 is provided with a lower waterproof gasket 16 for abutting against the housing 20a of the device 20. Specifically, the lower mounting groove 114 partially exposes the substrate 121 of the ground shell 12 embedded in the base 111 of the socket housing 11 and is provided with a plurality of first mounting holes 114a, the substrate 121 of the ground shell 12 is provided with a plurality of second mounting holes 121c corresponding to the plurality of first mounting holes 114a and exposing the plurality of first mounting holes 114a, and the lower waterproof gasket 16 is provided with a plurality of mounting posts 161 penetrating through the plurality of first mounting holes 114a, so that the lower waterproof gasket 16 is positioned in the lower mounting groove 114 of the socket housing 11. The lower waterproof gasket 16 is interposed between the receptacle connector 1 and the housing 20a when the receptacle connector 1 is mounted on the housing 20 a.

Referring to fig. 2, 9 to 14, the plug connector 2 includes a plug housing 21, a plurality of plug terminals 22, a shielding shell 23, a housing 24, and a conductive rotary latch 25. The plug housing 21 has a second mating portion 211 extending downward and mating with the first mating portion 112a of the receptacle housing 11. The plug housing 21 is provided with a plurality of plug terminals 22, the plug terminals 22 are located in the second docking portion 211 for docking the first terminals 14, the second terminals 15 and the ground terminal 124 in the first docking portion 112a, and the plug terminals 22 are mechanically and electrically connected to the wires 30a of the cable 30 (a part of the wires 30a is omitted in the figure). The cable 30 further includes a shielding layer 30b surrounding the plurality of conductors 30a, and an insulating layer 30c surrounding the shielding layer 30b and partially exposing the shielding layer 30b at the end of the cable 30. The shielding shell 23 is made of metal and covers the plug housing 21, a plurality of first fastening grooves 212 are formed on two side surfaces of the plug housing 21 in the left-right direction D2, a plurality of first fastening pieces 231 fastened in the plurality of first fastening grooves 212 are formed on the shielding shell 23, so that the shielding shell 23 is disposed on the plug housing 21, and the shielding shell 23 integrally has a connecting portion 232 connected to the shielding layer 30b of the cable 30 and a second contact portion 233 contacting the first contact portion 123a of the grounding shell 12, thereby forming a grounding path passing through the shielding layer 30b of the wire 30a, the shielding shell 23, the grounding shell 12 and the housing 20a, so as to generate a shielding effect.

In this embodiment, the second contact portion 233 has two elastic pieces 233a for elastically contacting the outer surface of the first contact portion 123 a. The housing 24 covers the shielding case 23, and has a docking space 241 defining a bottom opening 242, and two second catching grooves 243 located on the left inner wall surface and the right inner wall surface opposite to the docking space 241 in the left-right direction D2. The shielding shell 23 and the plug housing 21 are accommodated in the mating space 241. The shielding shell 23 is further formed with a plurality of second locking tabs 234 that are locked in the plurality of second locking slots 243, thereby fixing the shielding shell 23 and the plug housing 21 in the mating space 241. The bottom opening 242 of the mating space 241 of the housing 24 corresponds to the mating block 112 of the receptacle connector 1, so that the mating block 112 can enter to mate the first mating portion 112a and the second mating portion 211 with each other in the mating space 241.

An upper mounting groove 112b is formed at the outer edge of the bottom of the docking block 112, an upper waterproof gasket 17 is disposed in the upper mounting groove 112b, and the upper waterproof gasket 17 is interposed between the docking block 112 and the inner side surface of the docking space 241 of the housing after docking. The casing 24 further has a tube 244 extending backward along the front-back direction D1 and accommodating the cable 30, the cable 30 further has a waterproof plug 30D sleeved on the insulating layer 30c and used for plugging between the ends of the tube 244, and a locking member 30e located behind the waterproof plug 30D and slidably sleeved on the insulating layer 30c and used for locking the outer side of the end of the tube 244, the locking member 30e and the end of the tube 244 are formed with matching threads, and by locking the locking member 30e to the end of the tube 244, the waterproof plug 30D can be pushed and clamped between the end of the tube 244 and the insulating layer 30c of the cable 30, so as to achieve a waterproof effect.

The conductive rotary latch 25 is made of, for example, a conductive metal material, the rotary latch 25 can be pivotally pivoted to the housing 24 between an unlocking position shown in fig. 2 and a locking position shown in fig. 1, and when the rotary latch 25 is pivoted forward and downward from the unlocking position to the locking position, the rotary latch 25 can be electrically and connectively locked to the locking portion 122 of the grounding housing 12. In detail, the housing 24 has two pivots 245 extending in the left-right direction D2 opposite to each other, a flange 246 at the bottom against which the rotating locking member 25 abuts in the locking position, and a first locking structure 247 at the front side. Two slots 246a are formed on the left and right sides of the flange 246 for the locking portions 122 to extend upward from the bottom, and a locking protrusion 122a is formed on each locking portion 122 facing outward. The rotary locking member 25 is substantially U-shaped, and the rotary locking member 25 has two pivot holes 251 formed at two ends and respectively pivoted to the plurality of pivots 245, two locking grooves 252 correspondingly matching with the locking protrusions 122a of the plurality of locking portions 122, and a second locking structure 253 correspondingly matching with the first locking structure 247. When the rotary locking member 25 is in the unlocking position, the locking protrusions 122a of the locking portion 122 are located outside the locking grooves 252 of the rotary locking member 25, when the rotary locking member 25 is pivoted forward and downward to the locking position, the peripheral portions of the rotary locking member 25 located in the locking grooves 252 enter the plurality of slots 246a from the tops of the plurality of slots 246a, and the locking protrusions 122a of the locking portion 122 are correspondingly received in the locking grooves 252 of the rotary locking member 25, so that the rotary locking member 25 is locked to the locking portion 122 of the grounding shell 12 and is electrically connected to the grounding shell 12. In the locked position, the flange 246 blocks the rotary locking member 25 from further pivoting downward, and the second engaging structure 253 of the rotary locking member 25 is engaged with the first engaging structure 247 of the housing 24, so that the rotary locking member 25 can be positioned in the locked position. In this embodiment, the first locking structure 247 includes a middle block 247a and two concave points 247b at two sides, and the second locking structure 253 includes a hole 253a corresponding to the block 247a and two convex points 253b corresponding to the concave points 247 b. The rotary locker 25 is further formed with a grip 254 at the center, thereby allowing the rotary locker 25 to be more easily operated. The rotary locking piece 25 with simple and quick lock catch replaces the traditional screw connection, can improve the butt joint assembly efficiency between the plug connector 2 and the socket connector 1, and can solve the problem that the screw fixing mode is easy to damage in the screw locking process at present. Moreover, since the rotation locking member 25 is electrically and connectively locked to the grounding shell 12 when the rotation locking member 25 is pivoted to the locking position, the rotation locking member 25 can additionally provide the shielding effect.

In summary, the first terminals 14 of the socket connector 1 of the present invention are connected to a flexible circuit board 13 at the same time, the second terminals 15 are connected to the conductive wires 20b respectively, and the grounding terminal 124 is formed integrally with the grounding shell 12, so as to simplify the assembly process and reduce the cost, so that the assembly line is more easily automated and modularized, and the production efficiency is further improved. In addition, the rotating locking piece 25 with simple and fast locking is used to replace the traditional screw connection, so that the butt joint assembly efficiency between the plug connector 2 and the socket connector 1 can be improved, and the problem that the screw fixing mode is easy to damage in the screw locking process at present can be solved. Moreover, since the conductive rotary latch 25 is electrically and electrically connected to the grounding shell 12 when the rotary latch 25 is pivoted to the latching position, the rotary latch 25 can additionally provide shielding and antistatic effects.

However, the above description is only an example of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made by the claims and the description of the present invention are included in the scope of the present invention.

Claims

1. A receptacle connector, comprising:

a socket housing having a mating portion;

a flexible circuit board;

the socket comprises a socket shell, a plurality of first terminals and a plurality of second terminals, wherein the socket shell is provided with a butt joint part and a tail part;

the plurality of second terminals are arranged in the socket shell, each second terminal is provided with a butt joint section and a tail section, the butt joint section is positioned in the butt joint part, and the tail sections of the plurality of second terminals are respectively connected with the plurality of wires; and

at least one grounding terminal with a butt-joint section in the butt-joint part;

the socket shell is also provided with a base, the socket connector also comprises a grounding shell, the grounding shell is provided with a substrate embedded in the base, and the grounding terminal is integrally formed on the substrate;

wherein, the grounding shell is electrically connected with a shell of a device;

the base is provided with a plurality of first holes, the substrate of the grounding shell extends into the first holes, the substrate is provided with a plurality of second holes corresponding to the first holes respectively, and a plurality of fixing pieces are fixed on the shell of the device through the first holes and the second holes respectively in a way of contacting the substrate of the grounding shell so as to electrically connect the grounding shell and the shell of the device.

2. The socket connector of claim 1, wherein the first terminals are encoding terminals, and the second terminals include a set of power supply terminals and a set of brake terminals.

3. The receptacle connector according to claim 2, wherein the plurality of first terminals are arranged in a row, the ground terminal is in the same row as the plurality of first terminals and is located outside the row, the plurality of second terminals are arranged in another row and are arranged side by side with the row in which the plurality of first terminals are arranged, and the group of power supply terminals among the plurality of second terminals is biased to the ground terminal.

4. The socket connector according to claim 1, wherein the ground shell further has a locking portion integrally formed with the substrate and located at an outer side with respect to the mating portion with a space, and a plate portion exposed on an outer wall surface of the mating portion.

5. A connector assembly, comprising:

the socket connector comprises a socket shell and a grounding shell, wherein the socket shell is provided with a base and a first butt joint part, the grounding shell is provided with a substrate, a locking part and a first contact part which are integrally formed from the substrate, the substrate is arranged on the base, and the grounding shell is electrically connected with a machine shell of a device; and

a plug connector, including a plug housing, a shielding shell, and a conductive rotatory locking piece, this plug housing has a second butt joint portion of butt joint with the first butt joint portion of this socket casing, this shielding shell covers in this plug housing, this shielding shell has the connecting portion of connecting in the shielding layer of a cable, and the second contact portion of contact in the first contact portion of this ground connection shell, this rotatory locking piece can pivot between an unblock position and a locking position, when this locking position, this rotatory locking piece electric connection ground locking in the locking part of this ground connection shell.

6. The connector assembly of claim 5, wherein the socket connector further comprises a flexible circuit board, a plurality of first terminals disposed in the socket housing, each first terminal having a mating section and a tail section, the mating section being disposed in the first mating portion and connected to the flexible circuit board, a plurality of second terminals disposed in the socket housing, each second terminal having a mating section and a tail section, the mating section being disposed in the first mating portion and the tail section being connected to the plurality of wires, the ground terminal being integrally formed on the substrate of the ground housing and having a mating section disposed in the first mating portion, the socket connector further comprising a first terminal disposed in the second mating portion and configured to mate with the plurality of first terminals, a second terminal disposed in the first mating portion and connected to the plurality of wires, and at least one ground terminal, A plurality of plug terminals of the second terminals and the ground terminal.

7. The connector assembly of claim 6, wherein the first terminals are encoding terminals and the second terminals include a power supply terminal and a brake terminal.

8. The connector assembly of claim 7, wherein the first terminals are arranged in a row, the ground terminal is in a same row as the first terminals and is located outside the row, the second terminals are arranged in another row and are located side by side with the row of the first terminals, and the set of power terminals of the second terminals is offset from the ground terminal.

9. The connector assembly of claim 8, wherein the substrate of the grounding shell is embedded in the base of the socket housing, the base has a plurality of first holes, the substrate of the grounding shell extends into the plurality of first holes, the substrate has a plurality of second holes corresponding to the plurality of first holes, and a plurality of fasteners respectively contact the substrate of the grounding shell to pass through the first holes and the second holes and are fastened to the housing of the device, so that the grounding shell is electrically connected to the housing of the device through the plurality of fasteners.

10. The connector assembly of claim 5, wherein the plug connector further comprises a housing covering the shielding shell, the rotating latch member being pivotally mounted to the housing; the locking part is arranged on the outer side relative to the first butt joint part at a spacing interval, and the first contact part is exposed on the outer wall surface of the first butt joint part.

11. The connector assembly of claim 10, wherein the ground shell has a locking portion formed with a locking protrusion, the rotatable locking member has a locking groove correspondingly engaged with the locking protrusion of the locking portion, the locking protrusion of the locking portion is located outside the locking groove of the rotatable locking member in the unlocking position, and the locking protrusion of the locking portion is correspondingly received in the locking groove of the rotatable locking member in the locking position.

12. The connector assembly of claim 11, wherein the housing is formed with a first engaging structure, the rotatable locking member is formed with a second engaging structure correspondingly engaged with the first engaging structure, and the second engaging structure of the rotatable locking member is engaged with the first engaging structure of the housing in the locking position.

13. The connector assembly of claim 12, wherein the first engaging structure comprises a fastening block and a concave point, and the second engaging structure comprises a fastening hole corresponding to the fastening block and a convex point corresponding to the concave point.

14. The connector assembly of claim 5, wherein the first contact portion is plate-shaped, and the second contact portion has a spring for contacting a plate surface of the first contact portion.