Wire end connector, board end connector, and connector assembly

Abstract

The present application is a connector assembly including a board connector and a wire connector which are mated together. The wire connector includes a mating housing, a circuit board and a plurality of locking members. One end of the circuit board includes a mating end exposed outside the mating housing, and each locking member is located at each clamping portion on both sides of the mating housing. The board connector includes a mating housing, a first terminal module and a second terminal module located inside the mating housing, and a cover housing covering outside the mating housing. Both sides of the mating housing have clamping portions. When the wire connector and the board connector are mated together, the locking members on both sides of the wire connector are clamped with the clamping portions on both sides of the board connector, so that the wire connector is firmly mated with the board connector and is not easily pulled out, achieving a retreat prevention function.

Description

Technical Field

[0001] This invention relates to a connector, and more particularly to a wire-end connector, a board-end connector, and a connector assembly. Background Technology

[0002] Various connection interfaces in the communications industry are developed with the aim of being thin, light, and small, and providing stable signal transmission. They are used in connection interfaces of high-speed servers and switches. For example, MCIO (Mini Cool Edge IO) connectors are small in size and have reliable and stable connections.

[0003] Typical MCIO connectors include board-end connectors and wire-end connectors. Wire-end connectors include cables, PCBs, and connectors on the PCB. The connectors have a core, two rows of terminals, latches, and a pull strap connecting the latches. After mating, the board-end and wire-end connectors can be separated by pulling the pull strap outwards, simultaneously opening the latches above the core, allowing the latches to disengage from the board-end connector's latches. This structure results in more components and increased manufacturing costs for wire-end connectors. Summary of the Invention

[0004] The purpose of this invention is to ensure that when the wire connector and the board connector are properly inserted, the locking parts on both sides of the wire connector engage with the locking parts on both sides of the board connector, so that the wire connector is securely inserted into the board connector and is not easily pulled out, thus achieving the anti-retraction function.

[0005] To achieve the above objectives, the present invention provides a wire-end connector including a mating housing, a circuit board, and a plurality of locking members. The mating housing has a chamber, and both ends of the mating housing include a mating frame opening and a wiring frame opening communicating with the chamber. Each side of the mating housing has a latching portion. The circuit board is disposed in the chamber, and one end of the circuit board includes a mating end exposed through the mating frame opening. The mating end has a plurality of first contact points on both sides. Each of the plurality of locking members includes a body located in each latching portion and a spring extending outward from the body. Each spring has a pressing portion and a fastening portion on both sides.

[0006] Preferably, each latching part includes two side wall portions protruding from the two side walls of the mating housing, and an insertion block extending outward from each side wall portion and adjacent to the two sides of the mating frame opening. The outer side wall of each side wall portion has an inclined surface. Each latching part has a first latching groove located between each side wall portion and a second latching groove located at the side end of the insertion block. The pressing part is exposed in the first latching groove and is movably close to each inclined surface. The latching part is movably exposed in the second latching groove.

[0007] Preferably, the wire connector further includes a cover, and the mating housing has a recess located at the wire frame opening, with the cover disposed in the recess and covering the wire frame opening.

[0008] In some embodiments, the other end of the circuit board includes an external end, and the external end has a plurality of second contacts on both sides.

[0009] Preferably, the wire connector further includes a photoelectric conversion module disposed on the circuit board.

[0010] One embodiment of this invention also provides a board-end connector, disposed on a circuit board and adapted to mate with a wire-end connector. The board-end connector includes a mating housing, a first terminal module, a second terminal module, and a cover housing. The mating housing has a receiving groove, and both ends of the mating housing include a insertion frame opening and a mounting frame opening communicating with the receiving groove. Each side of the mating housing has a locking portion adapted to engage with a latching portion of the wire-end connector, and the insertion frame opening is adapted to engage with the mating end of the circuit board of the wire-end connector. The first terminal module includes a first terminal base and a plurality of first elastic terminals located on the first terminal base. Each first elastic terminal includes a first contact segment, and each first contact segment is located on one side of the receiving groove and extends close to the insertion frame opening. The second terminal module includes a second terminal base and a plurality of second elastic terminals located on the second terminal base. Each second elastic terminal includes a second contact segment, and each second contact segment is located on the other side of the receiving groove and extends close to the insertion frame opening. The cover housing covers the mating housing.

[0011] Preferably, each locking part has a sliding groove recessed inward from the two side walls of the mating housing, each sliding groove is located on the two sides of the insertion frame opening, and each locking part has a latching groove on the inner side wall where each sliding groove is provided.

[0012] Preferably, the board-end connector further includes a grounding plate disposed between the first terminal module and the second terminal module, and the grounding plate includes pins exposed on both sides of the mounting frame opening.

[0013] Preferably, the circuit board has multiple contacts and multiple fixing holes, each first elastic terminal includes a first soldering section, each second elastic terminal includes a second soldering section, each first soldering section and each second soldering section are exposed outside the mounting frame and connected to each contact, and the two sides of the cover housing include fixing feet disposed in each fixing hole.

[0014] Preferably, the board-end connector further includes a photoelectric conversion module, which is disposed on the circuit board.

[0015] One embodiment of this invention also provides a connector assembly including a wire-end connector and a board-end connector. The wire-end connector includes a mating housing, a circuit board, and multiple locking members. The mating housing has a chamber, and both ends of the mating housing include a mating frame opening and a wiring frame opening communicating with the chamber. Each side of the mating housing has a latching portion. The circuit board is disposed in the chamber, and one end of the circuit board includes a mating end exposed through the mating frame opening. The mating end has multiple first contacts on both sides. Each locking member includes a body located in each latching portion and a spring extending outward from the body. Each spring has a pressing portion and a latching portion on both sides. The board-end connector includes a mating housing, a first terminal module, a second terminal module, and a covering housing. The mating housing has a receiving groove, and both ends of the mating housing include a insertion frame opening and a mounting frame opening communicating with the receiving groove. Each side of the mating housing has a locking portion adapted to engage with the latching portion of the wire-end connector, and the insertion frame opening adapted to engage with the mating end of the circuit board of the wire-end connector. The first terminal module includes a first terminal base and a plurality of first resilient terminals located on the first terminal base. Each first resilient terminal includes a first contact segment, which is located on one side of the receiving groove and extends to near the insertion frame opening. Each first contact segment is adapted to contact a first contact point on one side of the mating end. The second terminal module includes a second terminal base and a plurality of second resilient terminals located on the second terminal base. Each second resilient terminal includes a second contact segment, which is located on the other side of the receiving groove and extends to near the insertion frame opening. Each second contact segment is adapted to contact a first contact point on the other side of the mating end. A cover housing covers the mating housing. Attached Figure Description

[0016] Figure 1 The diagram illustrates the appearance of a connector assembly according to some embodiments.

[0017] Figure 2 An exploded front view of a wire connector is shown according to some embodiments.

[0018] Figure 3 An exploded view of the back of a wire connector is shown according to some embodiments.

[0019] Figure 4 An exploded front view of a board-end connector is shown according to some embodiments.

[0020] Figure 5 An exploded view of the back of a board-end connector is shown according to some embodiments.

[0021] Figure 6 The diagram illustrates a side cross-sectional view of the connector assembly before insertion, according to some embodiments.

[0022] Figure 7 The diagram illustrates a side cross-sectional view of the connector assembly after it has been plugged in, according to some embodiments.

[0023] Figure 8 The diagram illustrates a top cross-sectional view of the connector assembly before insertion, according to some embodiments.

[0024] Figure 9 The diagram illustrates a top cross-sectional view of the connector assembly after it has been plugged in, according to some embodiments.

[0025] Figure 10 The diagram illustrates a side cross-sectional view of a connector assembly according to some embodiments, wherein the wire-end connector and the board-end connector each have a photoelectric conversion module.

[0026] Symbol Explanation 100: Connector assembly 200: Wire connector 201: Transmission Line 300: Board-end connector 401, 402: Photoelectric conversion module 1: Connecting shell 10: Refrigeration Room 11: Connecting frame opening 12: Wiring box opening 121: concave part 14: Side wall portion 141: Incline 15: Connector Block 16: Buckle section 161: First Card Slot 162: Second card slot 2: Circuit board 21: Dating end 211: First contact point 22: External terminal 221: Second Node 3: Locking fasteners 31:Ontology 32: Shrapnel 32a: First paragraph 32b: Second paragraph 32c: Third paragraph 321: Pressing part 322: Fastening part 33: Turning Point 4: Cover assembly 6: Docking shell 6a: First Wall 6b: Second Wall 6c: Third Wall 6d: Fourth Wall 60: Receptacle 61: Plug-in frame 62: Install frame opening 66: Card / Clutch Section 661: Slide 662: Clip slot 71: First terminal module 711: First terminal block 712: First elastic terminal 7121: First contact segment 7122: First connecting segment 7123: First welding section 72: Second terminal module 721: Second terminal block 722: Second flexible terminal 7221: Second contact segment 7222: Second connecting segment 7223: Second welding section 73: Grounding plate 731: Foot Connection 8: Cover shell 82: Fixed foot 9: Circuit board 91:Contact 92: Fixing hole X: First axis Y: Second axis Z: Third axis. Detailed Implementation

[0027] To illustrate this case more clearly, in the schematic diagram provided in this case, the first axis X is the X-axis of the three-dimensional coordinate system, the second axis Y is the Y-axis of the three-dimensional coordinate system, and the third axis Z is the Z-axis of the three-dimensional coordinate system.

[0028] Reference Figure 1 , Figure 1 This is a schematic diagram of the connector assembly 100. The signal transmitted by the connector assembly 100 is the same as that transmitted by the MCIO (Mini Cool Edge IO) connector. The connector assembly 100 is used in the Peripheral Component Interconnect Express (PCIe) standard for high-speed serial computers. The structure of the connector assembly 100 differs from that of the MCIO (Mini Cool Edge IO) connector. The connector assembly 100 includes a wire-end connector 200 and a board-end connector 300.

[0029] The wire connector 200 is used for connecting transmission lines 201 to flexible flat cables (FFC). The long side of the wire connector 200 extends along the first axis X direction, the short side of the wire connector 200 extends along the third axis Z direction, and the height of the wire connector 200 extends along the second axis Y direction.

[0030] The board-end connector 300 is a flat and elongated connector. The board-end connector 300 is mounted on the circuit board 9. The long side of the board-end connector 300 extends along the first axis X direction, the short side of the board-end connector 300 extends along the third axis Z direction, and the height of the board-end connector 300 extends along the second axis Y direction. The height of the board-end connector 300 is greater than the height of the wire-end connector 200.

[0031] Reference Figures 2 to 4 , Figure 2 This is an exploded view of the front of the wire connector 200. Figure 3 This is an exploded view of the back of the wire connector 200. Figure 4 This is an exploded front view of the board-end connector 300. The wire-end connector 200 is a connector, comprising a mating housing 1, a circuit board 2, and multiple locking elements 3. The mating housing 1 is a hollow, flat, elongated shell with a chamber 10. Both ends of the mating housing 1 include a mating frame opening 11 and a wiring frame opening 12 communicating with the chamber 10. The opening area of ​​the mating frame opening 11 is smaller than the opening area of ​​the wiring frame opening 12. Each side of the mating housing 1 has a latching portion 16. In some embodiments, each latching portion 16 includes two side wall portions 14 protruding from the two side walls of the mating housing 1, and a plug-in block 15 extending outward from each side wall portion 14 along the third axis Z direction and adjacent to both sides of the mating frame opening 11. The outer side wall of each side wall portion 14 has a slope 141, and each latching portion 16 has a first slot 161 located between each side wall portion 14 and a second slot 162 located at the side end of each plug-in block 15.

[0032] Circuit board 2 is disposed in chamber 10. One end of circuit board 2 includes a mating end portion 21 exposed in the mating frame opening 11, and the mating end portion 21 has multiple first contact points 211 on both sides. The other end of circuit board 2 includes an external connection end portion 22, and the external connection end portion 22 has multiple second contact points 221 on both sides. The width of the mating end portion 21 in the first axis X direction is smaller than the width of the external connection end portion 22 in the first axis X direction.

[0033] Each locking element 3 includes a body 31 located in each latching portion 16 and a spring piece 32 extending outward from the body 31. The spring piece 32 has a bending portion 33, and one end of the body 31 and one end of the spring piece 32 are connected via the bending portion 33. The body 31 and the spring piece 32 are side by side and parallel to each other, and when viewed from the second axis Y direction, they generally form a U-shape. Each side of the spring piece 32 has a pressing portion 321 and a fastening portion 322. When each locking element 3 is installed in each latching portion 16, as... Figure 1 The pressing part 321 is exposed in the first slot 161, and the fastening part 322 is exposed in the second slot 162.

[0034] Reference Figures 2 to 4 In some embodiments, the spring piece 32 has a first segment 32a, a second segment 32b, and a third segment 32c. The first segment 32a and the third segment 32c are each thin sheet arranged along the third axis Z direction, and the first segment 32a and the third segment 32c are located on different horizontal lines. The second segment 32b is an inclined sheet located between the first segment 32a and the third segment 32c. One end of the body 31 extends to the first segment 32a of the spring piece 32 via a turning portion 33. The first segment 32a extends sequentially to the second segment 32b and then to the third segment 32c. The first segment 32a is located close to the body 31, and the third segment 32c is located away from the body 31. A pressing portion 321 is located in the third segment 32c, and a fastening portion 322 is located in the first segment 32a. The fastening portion 322 is a protrusion that protrudes outward from the side of the first segment 32a along the first axis X direction.

[0035] Reference Figures 2 to 4 In some embodiments, the wire connector 200 further includes a cover 4, which is generally U-shaped when viewed from the third axis Z direction. The cover 4 is low-pressure injection molded. The mating housing 1 has a recess 121 located at the wiring frame opening 12, and the cover 4 is disposed in the recess 121. When a transmission line 201 is connected to the circuit board 2 inside the wire connector 200, the transmission line 201 located at the wiring frame opening 12 is covered by the cover 4 (e.g., Figure 1 As shown), the transmission line 201 inside the junction box 12 is sealed.

[0036] Reference Figures 4 to 6 , Figure 5 This is an exploded view of the back of the board-end connector 300. Figure 6This is a side cross-sectional view of the connector assembly 100 before insertion. The board-end connector 300 includes a mating housing 6, a first terminal module 71, a second terminal module 72, and a cover housing 8. The mating housing 6 is a hollow, flat, elongated shell. The mating housing 6 has a receiving groove 60. Both ends of the mating housing 6 include a insertion frame opening 61 and a mounting frame opening 62 communicating with the receiving groove 60. The opening area of ​​the insertion frame opening 61 is smaller than the opening area of ​​the mounting frame opening 62. The mating housing 6 includes a first wall 6a and a second wall 6b arranged side by side in the first axis X direction, and a third wall 6c and a fourth wall 6d arranged side by side in the second axis Y direction (e.g., ...). Figure 1 As shown, the first wall 6a and the second wall 6b are respectively connected to the third wall 6c and the fourth wall 6d on both sides. The periphery of the insertion frame 61 is surrounded by the first wall 6a, the second wall 6b, the third wall 6c, and the fourth wall 6d to form a complete rectangular sidewall. The two sides of the docking housing 6 are respectively provided with locking parts 66. In some embodiments, each locking part 66 has a groove 661 recessed from the two side walls of the docking housing 6 along the third axis Z direction. Each groove 661 is located on both sides of the insertion frame 61, and each locking part 66 has a latching groove 662 provided on the inner side wall of each groove 661.

[0037] The first terminal module 71 includes a first terminal block 711 and a plurality of first elastic terminals 712 located on the first terminal block 711. The plurality of first elastic terminals 712 consists of 37 terminals used for power transmission. Figure 4 To separate one of the plurality of first elastic terminals 712 from the first terminal holder 711, the first terminal holder 711 is injection molded to attach each of the first elastic terminals 712, the first elastic terminal 712 being formed as follows: Figure 6 The first axis X-direction shown generally presents an L-shaped appearance rotated 180 degrees clockwise. Each first elastic terminal 712 includes a first contact section 7121, a first connecting section 7122, and a first soldering section 7123. The first connecting section 7122 is located between the first contact section 7121 and the first soldering section 7123, and the first connecting section 7122 is coupled to the first terminal block 711. Each first contact section 7121 is located on one side of the receiving groove 60 and extends close to the insertion frame opening 61, as shown. Figure 6 The first contact segments 7121 shown are positioned above the receiving groove 60 in the second axis Y direction, and the first welding segment 7123 is exposed in the mounting frame opening 62 of the docking housing 6.

[0038] The second terminal module 72 includes a second terminal block 721 and a plurality of second flexible terminals 722 located on the second terminal block 721. The second terminal block 721 is connected to the first terminal block 711. The plurality of second flexible terminals 722 consists of 37 terminals used for power transmission. Figure 4One of the multiple second elastic terminals 722 is separated from the second terminal holder 721. The second terminal holder 721 is injection molded to attach each of the second elastic terminals 722. The second elastic terminals 722 are formed as follows: Figure 6 The first axis X-direction view shows an L-shaped appearance rotated 180 degrees clockwise. Each second elastic terminal 722 includes a second contact section 7221, a second connecting section 7222, and a second soldering section 7223. The second connecting section 7222 is located between the second contact section 7221 and the second soldering section 7223. The second connecting section 7222 is coupled to the second terminal block 721. Each second contact section 7221 is located on the other side of the receiving groove 60 and extends close to the insertion frame opening 61, as shown. Figure 6 The second contact segments 7221 shown are positioned below the receiving groove 60 in the second axis Y direction, and the second welding segment 7223 is exposed in the mounting frame opening 62 of the mating housing 6.

[0039] Reference Figures 4 to 6 In some embodiments, the board-end connector 300 further includes a grounding plate 73, which is a horizontal plate and is arranged along the first axis X direction. The grounding plate 73 is disposed between the first terminal module 71 and the second terminal module 72. The grounding plate 73 has pins 731 exposed on both sides of the mounting frame opening 62. Each pin 731 is used to connect to the circuit board 9.

[0040] Reference Figure 1 , Figures 4 to 6 In some embodiments, the circuit board 9 has multiple contacts 91 and multiple mounting holes 92, with the first soldering segment 7123 of each first elastic terminal 712 and the second soldering segment 7223 of each second elastic terminal 722 exposed at the mounting frame opening 62. The cover housing 8 includes mounting feet 82 on both sides. When the board-end connector 300 is mounted on the circuit board 9, the first soldering segment 7123 and the second soldering segment 7223 are respectively connected to each contact 91 of the circuit board 9, and the mounting feet 82 on both sides of the cover housing 8 are connected to each mounting hole 92.

[0041] Reference Figures 6 to 9 , Figure 7 This is a side cross-sectional view of the connector assembly 100 after it has been inserted. Figure 8 This is a top cross-sectional view of the connector assembly 100 before it is inserted. Figure 9This is a top cross-sectional view of the connector assembly 100 after insertion. When the wire-end connector 200 of the connector assembly 100 is inserted into the board-end connector 300, the wire-end connector 200 can be aligned and inserted into the board-end connector 300 in the third axis Z direction, so that the two latching parts 16 of the mating shell 1 and the mating end 21 of the circuit board 2 are respectively inserted into the two latching parts 66 and the insertion frame opening 61 of the mating shell 6, so that each of the first elastic terminals 712 of the first terminal module 71 and each of the second elastic terminals 722 of the second terminal module 72 respectively contact the first contact points 211 on both sides of the circuit board 2. Next, the latching part 322 of each locking member 3 will engage with the locking part 66. That is, the plug block 15 of the latching part 16 will be inserted into the slide groove 661 of the locking part 66, so that the latching part 322 (protrusion) of the locking member 3 is engaged with the latching groove 662 in the slide groove 661, providing a stable positioning effect for the connector 200 to the board connector 300.

[0042] As described above, when disassembling the wire connector 200 and the board connector 300, it can be done as follows: Figure 9 As shown, press the pressing part 321 of each locking member 3 along the first axis X direction, so that each pressing part 321 swings relative to each other, so that each pressing part 321 moves closer to the inclined surface 141 of each side wall part 14 (or each pressing part 321 can contact each inclined surface 141 to have a tactile feel). When each pressing part 321 moves, the latching part 322 moves synchronously, so that each latching part 322 disengages from each latching groove 662. Then, after each locking member 3 has not latched the latching part 16 of the mating shell 1, the wire end connector 200 can be pulled out in a direction away from the board end connector 300, so that the wire end connector 200 and the board end connector 300 are separated from each other.

[0043] Reference Figure 10 , Figure 10 This is a side cross-sectional view of the connector assembly 100. In some embodiments, the wire-end connector 200 further includes a photoelectric conversion module 401 disposed on the circuit board 2, which provides the function of transmitting power and fiber optic signals through the wire-end connector 200. In addition, the board-end connector 300 further includes another photoelectric conversion module 402 disposed on the circuit board 9, which provides the function of transmitting power and fiber optic signals through the board-end connector 300.

[0044] In summary, according to some embodiments, when the wire-end connector and the board-end connector are inserted into place, the locking parts on both sides of the wire-end connector engage with the locking parts on both sides of the board-end connector, so that the wire-end connector is securely inserted into the board-end connector and is not easy to pull out, thus achieving the anti-retraction function.

Claims

1. A wire-end connector, characterized in that, include: A docking housing having a chamber, with a docking frame opening and a wiring frame opening communicating with the chamber at both ends of the docking housing, and a buckle part on each side of the docking housing; A circuit board is disposed in the chamber, one end of the circuit board forms a mating end, the mating end is exposed outside the mating frame opening, and multiple first contact points are respectively provided on both sides of the mating end; as well as Multiple locking components, each of the locking components includes a body disposed at a corresponding latching portion and a spring piece extending outward from the body, wherein a pressing portion and a fastening portion are formed on both sides of the spring piece.

2. The wire connector according to claim 1, characterized in that: Each of the latching parts includes two side wall portions protruding outward from the two side wall portions of the docking housing, and a plug-in block extending outward from each of the side wall portions and adjacent to both sides of the docking frame opening; Each of the aforementioned sidewall portions has an inclined surface on its outer sidewall surface; Each of the said latching parts further includes a first latching groove located between each of the said side wall parts and a second latching groove located at the side end of the plug-in block; The pressing part is exposed in the first slot and is movably close to the inclined surface, and the fastening part is movably exposed in the second slot.

3. The wire connector according to claim 1, characterized in that: It also includes a cover, wherein the mating housing has a recess at the wiring frame opening, and the cover is disposed in the recess and covers the wiring frame opening.

4. The wire connector according to claim 1, characterized in that: The other end of the circuit board forms an external terminal, and multiple second contacts are provided on both sides of the external terminal.

5. The wire connector according to claim 4, characterized in that: It also includes a photoelectric conversion module, which is disposed on the circuit board.

6. A board-end connector, disposed on a circuit board and used for mating with a wire-end connector, characterized in that, include: A mating housing has a receiving groove. At both ends of the mating housing, there is a plug-in frame opening and a mounting frame opening communicating with the receiving groove. On both sides of the mating housing, there is a locking part. The locking part is used to cooperate with the snap-on part of the wire end connector. The plug-in frame opening is used to plug into the mating end of the circuit board of the wire end connector. A first terminal module includes a first terminal base and a plurality of first elastic terminals disposed on the first terminal base. Each first elastic terminal includes a first contact segment, and each first contact segment is located on one side of the receiving groove and extends to near the insertion frame opening. A second terminal module includes a second terminal base and a plurality of second resilient terminals disposed on the second terminal base. Each second resilient terminal includes a second contact segment, and each second contact segment is located on the other side of the receiving groove and extends close to the insertion frame opening; and A cover shell is provided to cover the outside of the docking shell.

7. The board-end connector according to claim 6, characterized in that: Each of the aforementioned locking parts is provided with a sliding groove recessed inward from the two side walls of the docking housing, and each of the aforementioned sliding grooves is located on both sides of the insertion frame opening; Each of the aforementioned latching parts has a latching groove on the inner side wall of the slide groove.

8. The board-end connector according to claim 6, characterized in that: It also includes a grounding plate, which is disposed between the first terminal module and the second terminal module, and the grounding plate has pins exposed on both sides of the mounting frame.

9. The board-end connector according to claim 6, characterized in that: The circuit board is provided with multiple contacts and multiple fixing holes; Each of the first elastic terminals includes a first welding section, and each of the second elastic terminals includes a second welding section; Each of the first welding segment and the second welding segment is exposed outside the mounting frame opening and connected to the joint; The cover housing has fixing feet on both sides for inserting into the fixing holes.

10. The board-end connector according to claim 9, characterized in that: It also includes a photoelectric conversion module, which is disposed on the circuit board.

11. A connector assembly, characterized in that, include: One-wire connector, including: A docking housing having a chamber, with a docking frame opening and a wiring frame opening communicating with the chamber at both ends of the docking housing, and a buckle part on each side of the docking housing; A circuit board is disposed in the chamber, one end of the circuit board forms a mating end, the mating end is exposed outside the mating frame opening, and multiple first contact points are respectively provided on both sides of the mating end; Multiple locking components, each locking component including a body and a spring extending outward from the body, wherein a pressing portion and a fastening portion are respectively formed on both sides of the spring; and One-board connector, including: A mating housing has a receiving groove. At both ends of the mating housing, there is a plug-in frame opening and a mounting frame opening communicating with the receiving groove. On both sides of the mating housing, there is a locking part. The locking part is used to cooperate with the snap-on part of the wire end connector. The plug-in frame opening is used to plug into the mating end of the circuit board of the wire end connector. A first terminal module includes a first terminal base and a plurality of first elastic terminals, each of the first elastic terminals including a first contact segment, each of the first contact segments being used to contact a first contact point on one side of the mating end; A second terminal module includes a second terminal block and a plurality of second elastic terminals, each second elastic terminal including a second contact segment, each second contact segment being used to contact a first contact point on the other side of the mating end; and A cover shell is provided to cover the outside of the docking shell.

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