Wire end connector and combination of wire end connector and board end connector

Abstract

The invention provides a combination of a wire end connector and a board end connector. The wire end connector comprises a shell, a first terminal assembly and a second terminal assembly. The shell is provided with a butt joint face facing a first direction. The first terminal assembly is arranged in the shell. The first terminal assembly comprises a first contact piece, a first conductive plate and a plurality of first electric wires. The first contact extends toward the docking surface. The first conductive plate is connected to the first contact and faces the first direction. The first wires are connected with the first conductive plates side by side along a second direction. The second terminal assembly is arranged in the shell. The second terminal assembly comprises a second contact piece, a second conductive plate and a plurality of second electric wires. The second contact extends toward the abutting surface. The second conductive plate is connected with the second contact and faces the first direction. The second conductive plate and the first conductive plate are arranged along the first direction. The second electric wires connect the second conductive plates side by side in the second direction.

Description

Technical Field

[0001] The present invention relates to a line end connector, and in particular to a line end connector and a combination of the line end connector and a board end connector. Background Art

[0002] Chinese utility model patent announcement number CN216850571U discloses a cable connector and a cable connector assembly, wherein the cable connector and the corresponding docking connector can dock in the up and down direction (i.e., docking direction). The cable connector includes a plastic shell with a receiving cavity, a metal connector with an inner cavity, a conductive terminal, a cable, and an unlocking mechanism. The cables are in two groups, and the two groups of cables are arranged side by side in the left and right directions, and each group of cables extends in the front and back directions. There are two metal connectors, which are respectively connected to the two groups of cables, wherein each group of cables has two cables and are arranged side by side with each other in the up and down direction.

[0003] However, the maximum current that each cable in each cable group can carry is fixed based on its wire diameter. Therefore, in high-current applications, the number of cables in each cable group must be increased as much as possible. The vertical arrangement of the cables in the aforementioned patent increases the vertical height of the cable connector, thereby increasing the size and volume of the entire cable connector. In other words, the aforementioned patent fails to simultaneously achieve the design requirements of high current, low height, and miniaturization. Summary of the Invention

[0004] Therefore, an object of the present invention is to provide a wire-end connector and a combination of a wire-end connector and a board-end connector that can improve at least one problem in the prior art.

[0005] Therefore, in some embodiments, the wire end connector of the present invention includes a housing, a first terminal assembly, and a second terminal assembly. The housing has a mating surface facing a first direction. The first terminal assembly is arranged in the housing, and the first terminal assembly includes a first contact member, a first conductive plate, and a plurality of first wires. The first contact member extends toward the mating surface. The first conductive plate is connected to the first contact member and faces the first direction. The plurality of first wires are connected to the first conductive plate side by side along a second direction perpendicular to the first direction. The second terminal assembly is arranged in the housing, and the second terminal assembly includes a second contact member, a second conductive plate, and a plurality of second wires. The second contact member extends toward the mating surface and is staggered with respect to the first contact member. The second conductive plate is connected to the second contact member and faces the first direction. The second conductive plate and the first conductive plate are arranged along the first direction. The plurality of second wires are connected to the second conductive plate side by side along the second direction.

[0006] In some embodiments, the wire end connector further includes a first locking structure disposed on the housing, and the first locking structure, the first contact piece, and the second contact piece are arranged in a triangle.

[0007] In some embodiments, the housing has a first receiving groove and a second receiving groove, the depth of the first receiving groove in the first direction is greater than the depth of the second receiving groove, wherein the first terminal assembly is received in the first receiving groove and the second terminal assembly is received in the second receiving groove.

[0008] In some embodiments, the first terminal assembly and the second terminal assembly are respectively installed at a pre-connection position in the housing along the first direction, and are respectively installed at a terminal position in the housing from the pre-connection position along a third direction perpendicular to the first direction and the second direction. At the terminal position, the first terminal assembly and the second terminal assembly are positioned in the first direction.

[0009] In some embodiments, the wire end connector further includes a first positioning member and a second positioning member; the first positioning member is used to be set in the housing when the first terminal assembly is located in the termination position so that the first terminal assembly is positioned in the third direction, and the second positioning member is used to be set in the housing when the second terminal assembly is located in the termination position so that the second terminal assembly is positioned in the third direction.

[0010] In some embodiments, the first positioning member is a terminal positioning member provided in the housing, and the second positioning member is a cover provided on the housing.

[0011] In some embodiments, the housing further has a first through slot and a second through slot for accommodating the first contact member and the second contact member respectively, the first through slot and the second through slot are staggered with each other, the first through slot extends from the bottom of the first receiving slot to the docking surface, and the second through slot extends from the bottom of the second receiving slot to the docking surface.

[0012] In some embodiments, the first contact member has a first docking portion and a first mounting portion, the second contact member has a second docking portion and a second mounting portion, the first conductive plate has a first mounting hole connected to the first mounting portion, and the second conductive plate has a second mounting hole connected to the second mounting portion.

[0013] In some embodiments, a plurality of the first wires are welded to the surface of the first conductive plate side by side along the second direction, and a plurality of the second wires are welded to the surface of the second conductive plate side by side along the second direction.

[0014] In some embodiments, the housing further has a recessed portion, and the first locking structure is at least partially located in the recessed portion.

[0015] Therefore, in some embodiments, the combination of a wire-end connector and a board-end connector of the present invention includes a wire-end connector and a board-end connector. The wire-end connector includes a housing, a first terminal assembly, and a second terminal assembly. The housing has a mating surface facing a first direction. The first terminal assembly is disposed within the housing and includes a first contact member, a first conductive plate, and a plurality of first wires. The first contact member extends toward the mating surface. The first conductive plate is connected to the first contact member and faces the first direction. The plurality of first wires are connected to the first conductive plate side by side along a second direction perpendicular to the first direction. The second terminal assembly is disposed within the housing and includes a second contact member, a second conductive plate, and a plurality of second wires. The second contact member extends toward the mating surface and is staggered with respect to the first contact member. The second conductive plate is connected to the second contact member and faces the first direction. The second conductive plate and the first conductive plate are arranged along the first direction. The plurality of second wires are connected to the second conductive plate side by side along the second direction. The board-side connector is used to mate with the line-side connector, and the board-side connector includes a substrate, a third contact, and a fourth contact. The third contact is provided on the substrate and is electrically connected to the first contact. The fourth contact is provided on the substrate and is electrically connected to the second contact.

[0016] In some embodiments, the substrate is an insulating plate, the board-end connector further includes a circuit board, and the third contact and the fourth contact respectively pass through the substrate and are connected to the circuit board.

[0017] In some embodiments, the substrate is a circuit board.

[0018] In some embodiments, the wire-end connector further includes a first locking structure provided on the housing, and the first locking structure and the first contact piece and the second contact piece are arranged in a triangle. The board-end connector further includes a second locking structure provided on the substrate, and the second locking structure is used to lock with the first locking structure. The third contact piece, the fourth contact piece and the second locking structure are arranged in a triangle.

[0019] In some embodiments, the housing has a recessed portion, and the first locking structure is at least partially located in the recessed portion.

[0020] The present invention utilizes the first and second conductive plates arranged along the first direction of the cable end connector, and the plurality of first and second wires arranged side by side along the second direction. This allows the cable end connector to maintain its height in the first direction even when the number of first and second wires is increased in high-current applications, thereby keeping the overall size and volume of the cable end connector under control. In other words, the cable end connector can simultaneously meet the design requirements of high current, low height, and miniaturization. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Other features and effects of the present invention will be more clearly seen in the following embodiments with reference to the accompanying drawings, in which:

[0022] Figure 1 is a perspective view of a first embodiment of a combination of a wire-end connector and a board-end connector according to the present invention;

[0023] Figures 2 to 4 are multiple exploded perspective views of the first embodiment viewed from different viewing angles;

[0024] Figure 5 is a perspective exploded view of the wire end connector of the embodiment;

[0025] Figure 6 is a perspective exploded view of the wire end connector of the embodiment viewed from another perspective;

[0026] Figure 7 yes Figure 5 A further exploded perspective view of the wire end connector of the embodiment;

[0027] Figures 8 to 14 are a plurality of perspective schematic diagrams for illustrating the assembly steps of the line end connector, wherein the housing of the line end connector is partially cut away;

[0028] Figure 15 It is an exploded perspective view of a second embodiment of the combination of the line-end connector and the board-end connector of the present invention;

[0029] Figure 16 FIG1 is a perspective view of a third embodiment of a combination of a cable-end connector and a board-end connector according to the present invention.

[0030]

Explanation of symbols

[0031] 1-wire connector

[0032] 11 Shell

[0033] 111 docking surface

[0034] 112 upper end surface

[0035] 112a Top opening

[0036] 113 First Side

[0037] 114 Second Side

[0038] 115 front end

[0039] 116 rear end face

[0040] 116a rear end opening

[0041] 117 Depression

[0042] 118 first storage tank

[0043] 118a first convex part

[0044] 118b First Channel

[0045] 118c First limiting cavity

[0046] 118d first recess

[0047] 118e First through slot

[0048] 119 Second Storage Slot

[0049] 119a Second convex part

[0050] 119b Second Channel

[0051] 119c Second limiting cavity

[0052] 119d second recess

[0053] 119e Second slot

[0054] 12 first terminal assembly

[0055] 121 first contact

[0056] 121a First docking portion

[0057] 121b First installation part

[0058] 122 first conductive plate

[0059] 122a First mounting hole

[0060] 122b First Gap

[0061] 122c First missing corner

[0062] 123 First Wire

[0063] 13 first positioning member

[0064] 131 first bump

[0065] 132 first positioning column

[0066] 14 Second terminal assembly

[0067] 141 second contact

[0068] 141a Second docking portion

[0069] 141b Second mounting portion

[0070] 142 second conductive plate

[0071] 142a Second mounting hole

[0072] 142b Second Gap

[0073] 142c Second missing corner

[0074] 143 Second Wire

[0075] 15 second positioning member

[0076] 151 second bump

[0077] 152 second positioning column

[0078] 16First locking structure

[0079] 2 board connectors

[0080] 21 substrate

[0081] 211 piercing

[0082] 22 third contact

[0083] 23 fourth contact

[0084] 24 Second locking structure

[0085] 25 circuit boards

[0086] D1 up and down direction

[0087] D2 left and right direction

[0088] D3 front and rear direction DETAILED DESCRIPTION

[0089] See Figures 1 to 4 A first embodiment of the combination of a wire-end connector 1 and a board-end connector 2 of the present invention includes a wire-end connector 1 and a board-end connector 2.

[0090] See Figures 2 to 6The wire end connector 1 includes a housing 11 , a first terminal assembly 12 , a first positioning member 13 , a second terminal assembly 14 , a second positioning member 15 , and a first locking structure 16 .

[0091] The housing 11 is made of an insulating material and has a mating surface 111 and an upper end surface 112 located at the bottom and top, spaced apart from each other, along a vertical direction D1 (a first direction, where the arrow indicates the direction of the top and the direction of the bottom), a first side surface 113 and a second side surface 114 that are opposite to each other along a horizontal direction D2 (a second direction, where the arrow indicates the direction of the right and the direction of the left), a front face 115 and a rear face 116 that are opposite to each other along a front-back direction D3 (a third direction, where the arrow indicates the direction of the front and the direction of the back), and a recessed portion 117 located at a corner adjacent to the front face 115 and the second side surface 114. In the first embodiment, the mating surface 111 is, for example, substantially rectangular, defining the recessed portion 117.

[0092] In addition, the housing 11 further comprises a first receiving groove 118 and a second receiving groove 119 formed downwardly from the upper end surface 112 along the vertical direction D1, two first protrusions 118a located on the inner wall surface of the first receiving groove 118 and protruding inwardly along the left-right direction D2, two first channels 118b located between the two first protrusions 118a and the bottom of the first receiving groove 118, a first limiting cavity 118c located on the inner wall surface at the front end of the first receiving groove 118, two first recesses 118d located on the inner wall surface of the first receiving groove 118 and recessed along the left-right direction D2, four second protrusions 119a located on the inner wall surface of the second receiving groove 119 and protruding inwardly along the left-right direction D2, and a space between the two second protrusions 119a and the second receiving groove 119. Two second channels 119b between the bottoms of the grooves 119, a second limiting cavity 119c located on the inner wall surface at the front end of the second receiving groove 119, four second recesses 119d located on the inner wall surface of the second receiving groove 119 and recessed along the left-right direction D2, a first through groove 118e extending from the bottom of the first receiving groove 118 to the docking surface 111, a second through groove 119e extending from the bottom of the second receiving groove 119 to the docking surface 111 and staggered with the first through groove 118e, a top opening 112a located on the upper end surface 112 and connected to the first receiving groove 118 and the second receiving groove 119, and a rear end opening 116a located on the rear end surface 116 and connected to the first receiving groove 118 and the second receiving groove 119. In the vertical direction D1, the depth of the first receiving groove 118 is greater than the depth of the second receiving groove 119. Specifically, the first receiving groove 118 is located below the second receiving groove 119. In addition, the recessed portion 117, the first through groove 118e, and the second through groove 119e are arranged in a triangle.

[0093] See Figures 3 to 7 The first terminal assembly 12 is disposed within the housing 11 and includes a first contact member 121, a first conductive plate 122, and a plurality of first wires 123. The first contact member 121 is received in the first through-slot 118e of the housing 11 and extends toward the mating surface 111. The first contact member 121 has a first mating portion 121a and a first mounting portion 121b.

[0094] The first conductive plate 122 of the first terminal assembly 12 is connected to the first contact member 121 and is received in the first receiving groove 118 facing the up-down direction D1. The first conductive plate 122 can be, for example, a metal plate or a circuit board. The first conductive plate 122 has a first mounting hole 122a connected to the first mounting portion 121b, two first notches 122b corresponding to the two first protrusions 118a of the housing 11, and a first notch 122c for avoiding the portion of the housing 11 that forms the second through-slot 119e. It should be noted that in other embodiments, the number of the first protrusion 118a and the first notch 122b can also be one or more than three, and is not limited to this first embodiment.

[0095] A plurality of first wires 123 are connected to the first conductive plate 122 in a parallel arrangement perpendicular to the left-right direction D2 and extend rearwardly out of the housing 11 through the rear opening 116a. For example, the plurality of first wires 123 may be connected to the surface of the first conductive plate 122 by welding. Specifically, the number of first wires 123 in this first embodiment is three, but in other embodiments, the number may be two, four, or more, preferably at least three, but this is not intended to be limiting.

[0096] See Figure 5 、 Figure 6 and Figures 8 to 10 When assembling the first terminal assembly 12, the first terminal assembly 12 is downwardly passed through the top opening 112a along the up-down direction D1 and installed in a pre-connection position in the first receiving groove 118 of the housing 11, as shown in FIG. Figure 9 As shown, during this process, the two first notches 122b of the first conductive plate 122 pass downwardly along the up-down direction D1 through the two first protrusions 118a located on the inner wall surface of the first receiving groove 118, so that the two first notches 122b are located in the two first channels 118b between the two first protrusions 118a and the bottom of the first receiving groove 118. Then, the first terminal assembly 12 is installed forward from the pre-connection position along the front-to-back direction D3 to a terminal position in the first receiving groove 118 of the housing 11, as shown in FIG. Figure 10As shown, the two first notches 122b of the first conductive plate 122 move forward along the front-to-back direction D3 and are offset from the two first channels 118b, and the plate edges on both sides of the first conductive plate 122 in the left-right direction D2 move into the two first channels 118b, and at the same time, the plate edge at the front end of the first conductive plate 122 also moves into the first limiting cavity 118c, so that the first terminal assembly 12 is positioned in the up-down direction D1.

[0097] See Figure 5 、 Figure 6 and Figures 10 and 11 , the first positioning member 13 is used to be arranged in the housing 11 when the first terminal assembly 12 is located at the terminal position, so that the first terminal assembly 12 is positioned in the front-to-back direction D3. The first positioning member 13 is a terminal positioning member provided in the housing 11. The first positioning member 13 has two first protrusions 131 corresponding to the two first recesses 118d of the housing 11, and two first positioning columns 132 corresponding to the two first notches 122b. When the first terminal assembly 12 is located at the terminal position, the first positioning member 13 is used to be snapped into the housing 11, the two first protrusions 131 of the first positioning member 13 are respectively snapped into the two first recesses 118d, and the two first positioning columns 132 are respectively inserted downward into the two first notches 122b, as shown Figure 11 As shown, the two first positioning posts 132 position the first terminal assembly 12 in the front-to-back direction D3 , thereby completely assembling and fixing the first terminal assembly 12 .

[0098] See Figures 3 to 7 The second terminal assembly 14 is disposed within the housing 11. The second terminal assembly 14 includes a second contact member 141, a second conductive plate 142, and a plurality of second wires 143. The second contact member 141 is received in the second through-slot 119e of the housing 11 and extends toward the mating surface 111, offset from the first contact member 121. The second contact member 141 has a second mating portion 141a and a second mounting portion 141b.

[0099] The second conductive plate 142 of the second terminal assembly 14 is connected to the second contact member 141 and is received in the second receiving groove 119 facing the vertical direction D1. The second conductive plate 142 and the first conductive plate 122 are arranged along the vertical direction D1. The second conductive plate 142 can be, for example, a metal plate or a circuit board. The second conductive plate 142 has a second mounting hole 142a connected to the second mounting portion 141b, two second notches 142b corresponding to the two second protrusions 119a of the housing 11, and a second notch 142c for avoiding the portion of the housing 11 that forms the recessed portion 117. It should be noted that in other embodiments, the number of the second protrusion 119a and the second notch 142b can also be one or more than three, and is not limited to this first embodiment.

[0100] A plurality of second wires 143 are connected to the second conductive plate 142 in a parallel arrangement perpendicular to the left-right direction D2 and extend rearwardly out of the housing 11 through the rear opening 116a. For example, the plurality of second wires 143 may be connected to the surface of the second conductive plate 142 by welding. Specifically, the number of second wires 143 in this first embodiment is three, but in other embodiments, the number may be two, four, or more, preferably at least three, but this is not intended to be limiting.

[0101] See Figure 5 、 Figure 6 and Figures 11 to 13 When assembling the second terminal assembly 14, the second terminal assembly 14 is downwardly passed through the top opening 112a along the up-down direction D1 and installed in a pre-connected position in the second receiving groove 119 of the housing 11, as shown in FIG. Figure 12 As shown, during this process, the two second notches 142b of the second conductive plate 142 pass downwardly along the up-down direction D1 through the two second protrusions 119a located on the inner wall surface of the second receiving groove 119, so that the two second notches 142b are located in the two second channels 119b between the two second protrusions 119a and the bottom of the second receiving groove 119. Then, the second terminal assembly 14 is installed forward from the pre-connection position along the front-to-back direction D3 to a terminal position in the second receiving groove 119 of the housing 11, as shown in FIG. Figure 13 As shown, the two second notches 142b of the second conductive plate 142 move forward along the front-to-back direction D3 and are offset from the two second channels 119b, and the plate edges of the second conductive plate 142 on both sides in the left-right direction D2 move into the two second channels 119b, and at the same time, the plate edge at the front end of the second conductive plate 142 also moves into the second limiting cavity 119c, so that the second terminal assembly 14 is positioned in the up-down direction D1.

[0102] See Figure 5 、 Figure 6 and Figures 13 and 14 , the second positioning member 15 is used to be arranged on the housing 11 when the second terminal assembly 14 is located at the terminal position, so that the second terminal assembly 14 is positioned in the front-to-back direction D3. The second positioning member 15 is a cover body provided on the housing 11 and closing the top opening 112a of the housing 11. The second positioning member 15 has four second protrusions 151 corresponding to the four second recesses 119d of the housing 11, and two second positioning columns 152 corresponding to the two second notches 142b. When the second terminal assembly 14 is located at the terminal position, the second positioning member 15 is used to be snapped into the housing 11 to close the top opening 112a of the housing 11, the four second protrusions 151 of the second positioning member 15 are respectively snapped into the four second recesses 119d, and the two second positioning columns 152 are respectively inserted downward into the two second notches 142b, as shown Figure 14 As shown, the two second positioning posts 152 position the second terminal assembly 14 in the front-to-back direction D3 , thereby completely assembling and fixing the second terminal assembly 14 .

[0103] See Figure 1 and Figure 2 The first locking structure 16 is disposed on the housing 11 and is integrally formed with the housing 11 and located within the recessed portion 117, such that the recessed portion 117 (or the first locking structure 16 located within the recessed portion 117), the first contact 121 located within the first through-slot 118e, and the second contact 141 located within the second through-slot 119e form a triangular arrangement. It should be noted that in other embodiments, the first locking structure 16 may be located at least partially within the recessed portion 117, and the first locking structure 16 may be assembled to the housing 11 as a separate component, and the present invention should not be limited to this first embodiment.

[0104] See Figures 1 to 4 The board-end connector 2 is used to dock with the line-end connector 1 along the up-down direction D1, and the board-end connector 2 includes a substrate 21, a third contact 22, a fourth contact 23, a second locking structure 24, and a circuit board 25.

[0105] The third contact member 22 is provided on the substrate 21 and is used to be electrically connected to the first contact member 121. The fourth contact member 23 is provided on the substrate 21 and is used to be electrically connected to the second contact member 141. The second locking structure 24 is provided on the substrate 21 in an integral structure, and the second locking structure 24 is used to lock with the first locking structure 16. The third contact member 22, the fourth contact member 23 and the second locking structure 24 are arranged in a triangle. It should be noted that in other embodiments, the second locking structure 24 can also be assembled to the substrate 21 by assembling independent parts, and should not be limited to this first embodiment.

[0106] The substrate 21 of the board-side connector 2 is an insulating plate. The circuit board 25 is disposed below the substrate 21 . The third contact 22 and the fourth contact 23 respectively pass downward through the two through holes 211 of the substrate 21 and connect to the circuit board 25 .

[0107] See Figure 15 The difference between the second embodiment of the combination of the line-end connector 1 and the board-end connector 2 and the first embodiment is that the substrate 21 of the board-end connector 2 is a circuit board. The second locking structure 24 is assembled on the substrate 21 by assembling independent parts.

[0108] See Figure 16 A third embodiment of the combination of the wire-end connector 1 and the board-end connector 2 of the present invention differs from the first embodiment in that the mating surface 111 of the wire-end connector 1 in the third embodiment is substantially in the shape of an 8 defining a recessed portion 117 .

[0109] In summary, the present invention utilizes the first conductive plate 122 and the second conductive plate 142 arranged along the vertical direction D1 (first direction) and the plurality of first wires 123 and second wires 143 arranged side by side along the horizontal direction D2 (second direction) of the cable end connector 1. This allows the cable end connector 1 to maintain its height in the vertical direction D1 (first direction) even if the number of first wires 123 and second wires 143 is increased in high-current applications. This allows the overall size and volume of the cable end connector 1 to be controlled. In other words, the cable end connector 1 can simultaneously meet the design requirements of high current, low height, and miniaturization.

[0110] However, the above description is merely an embodiment of the present invention and is not intended to limit the scope of the present invention. Any simple equivalent changes and modifications made in accordance with the scope of the claims and the contents of the specification are still within the scope of the claims of the present invention.

Claims

1. A line end connector, comprising: A housing having a docking surface facing a first direction; A first terminal assembly is disposed in the housing, the first terminal assembly comprising: a first contact member extending toward the mating surface, a first conductive plate connected to the first contact element and facing the first direction, A plurality of first wires connected to the first conductive plate in parallel along a second direction perpendicular to the first direction; as well as a second terminal assembly disposed in the housing, the second terminal assembly comprising: a second contact extending toward the mating surface and offset from the first contact; a second conductive plate connected to the second contact member and facing the first direction, the second conductive plate and the first conductive plate being arranged along the first direction; A plurality of second wires are connected to the second conductive plate in parallel along the second direction.

2. The wire end connector according to claim 1, wherein: The wire end connector further includes a first locking structure disposed on the housing. The first locking structure, the first contact piece, and the second contact piece are arranged in a triangle.

3. The wire end connector according to claim 1, wherein: The housing has a first receiving groove and a second receiving groove. The depth of the first receiving groove in the first direction is greater than the depth of the second receiving groove. The first terminal assembly is received in the first receiving groove, and the second terminal assembly is received in the second receiving groove.

4. The wire end connector according to claim 1, wherein: The first terminal assembly and the second terminal assembly are respectively installed at a pre-connection position in the housing along the first direction, and are respectively installed at a terminal position in the housing along a third direction perpendicular to the first direction and the second direction from the pre-connection position. At the terminal position, the first terminal assembly and the second terminal assembly are positioned in the first direction.

5. The wire end connector according to claim 4, wherein: The wire end connector also includes a first positioning member and a second positioning member; the first positioning member is used to be set on the housing when the first terminal assembly is located at the termination position, so that the first terminal assembly is positioned in the third direction, and the second positioning member is used to be set on the housing when the second terminal assembly is located at the termination position, so that the second terminal assembly is positioned in the third direction.

6. The wire end connector according to claim 4, wherein: The first positioning member is a terminal positioning member arranged in the shell, and the second positioning member is a cover body arranged on the shell.

7. The wire end connector according to claim 3, wherein: The housing also has a first through slot and a second through slot for accommodating the first contact member and the second contact member respectively. The first through slot and the second through slot are staggered with each other. The first through slot extends from the bottom of the first receiving slot to the docking surface, and the second through slot extends from the bottom of the second receiving slot to the docking surface.

8. The wire end connector according to claim 1, wherein: The first contact piece has a first docking portion and a first mounting portion, the second contact piece has a second docking portion and a second mounting portion, the first conductive plate has a first mounting hole connected to the first mounting portion, and the second conductive plate has a second mounting hole connected to the second mounting portion.

9. The wire end connector according to claim 1, wherein: A plurality of the first wires are welded to the plate surface of the first conductive plate in parallel along the second direction, and a plurality of the second wires are welded to the plate surface of the second conductive plate in parallel along the second direction.

10. The wire end connector according to claim 2, wherein: The housing further has a recessed portion, and the first locking structure is at least partially located in the recessed portion.

11. A combination of a line-end connector and a board-end connector, comprising: One-line connector, including: A housing having a docking surface facing a first direction; A first terminal assembly is disposed in the housing, the first terminal assembly comprising: a first contact member extending toward the mating surface, a first conductive plate connected to the first contact element and facing the first direction, A plurality of first wires connected to the first conductive plate in parallel along a second direction perpendicular to the first direction; a second terminal assembly disposed in the housing, the second terminal assembly comprising: a second contact extending toward the mating surface and offset from the first contact; a second conductive plate connected to the second contact member and facing the first direction, the second conductive plate and the first conductive plate being arranged along the first direction; a plurality of second wires connected to the second conductive plate in parallel along the second direction; and A board-side connector for docking with the line-side connector, and the board-side connector includes: a substrate; a third contact element, disposed on the substrate and electrically connected to the first contact element; A fourth contact element is provided on the substrate and is used for electrically connecting to the second contact element.

12. The combination of the line-end connector and the board-end connector according to claim 11, wherein: The substrate is an insulating plate body. The board-end connector further includes a circuit board. The third contact piece and the fourth contact piece respectively pass through the substrate and are connected to the circuit board.

13. The combination of a wire-end connector and a board-end connector according to claim 11, wherein: The substrate is a circuit board.

14. The combination of a line-end connector and a board-end connector according to claim 11, wherein: The wire-end connector further includes a first locking structure provided on the housing, and the first locking structure, the first contact piece, and the second contact piece are arranged in a triangle. The board-end connector further includes a second locking structure provided on the substrate, and the second locking structure is used to lock with the first locking structure. The third contact piece, the fourth contact piece, and the second locking structure are arranged in a triangle.

15. The combination of the line-end connector and the board-end connector according to claim 14, wherein: The housing has a recessed portion, and the first locking structure is at least partially located in the recessed portion.

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