CN212392412U - Board end connector and connector assembly - Google Patents

Abstract

The application discloses a plate end connector and a connector assembly, wherein the plate end connector comprises a plate end insulating body, a terminal module and a shell, the plate end insulating body is provided with a plate end plugging surface and a plugging groove, the plugging groove is positioned on the plate end plugging surface, and the plugging groove is provided with two opposite interference side walls; the terminal module is arranged in the plate end insulating body; and the shell is arranged on one side of the board end insulating body, one side of the shell is provided with an inserting convex piece, the inserting convex piece is arranged in the inserting groove, at least one side of the inserting convex piece is provided with an interference convex block, the interference convex block interferes with at least one of the two interference side walls to increase the holding force between the shell and the board end insulating body, and thus the shell is stably connected with the board end insulating body, and the shell is effectively prevented from separating from the board end insulating body.

Description

Board end connector and connector assembly

Technical Field

The application relates to the technical field of connectors, in particular to a plate end connector and a connector assembly.

Background

The plate-end connector comprises an insulating body, a terminal structure and a shell, wherein the terminal structure is arranged in the insulating body, and the shell is arranged on the outer surface of the insulating body. The shell and the insulating body can be provided with a limiting structure or a positioning structure, but the limiting structure or the positioning structure can not be completely fixed on the insulating body, which also means that the fixing force between the shell and the insulating body is insufficient, and the shell of the plate end connector is easy to separate from the insulating body when in use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a board end connector and connector assembly solves the problem that the shell of present board end connector breaks away from insulator easily.

In order to solve the technical problem, the present application is implemented as follows:

the utility model provides a board end connector, it includes: the board end insulating body is provided with a board end plugging surface and a plugging groove, the plugging groove is positioned on the board end plugging surface, and the plugging groove is provided with two opposite interference side walls;

the terminal module is arranged in the plate end insulating body; and the shell is arranged on one side of the plate end insulating body, one side of the shell is provided with an inserting convex piece, the inserting convex piece is arranged in the inserting groove, at least one side of the inserting convex piece is provided with an interference convex block, and the interference convex block interferes with at least one of the two interference side walls.

In another embodiment, a connector assembly includes; the plate end connector as described above; and the wire end connector is connected with the plate end connector.

The utility model discloses in, the grafting protruding piece through the shell is connected with the inserting groove of board end insulator, and the interference lug of grafting protruding piece produces with the interference lateral wall of inserting groove and interferes, increases the holding power between shell and the board end insulator, so the shell is connected with board end insulator firmly, prevents effectively that the shell from breaking away from board end insulator.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a perspective view of a plate end connector according to one embodiment of the present application;

FIG. 2 is an exploded view of a plate end connector according to one embodiment of the present application;

FIG. 3 is another exploded view of a plate end connector according to an embodiment of the present application;

FIG. 4 is a cross-sectional view taken along line A-A' of FIG. 1;

FIG. 5 is an enlarged view of area A of FIG. 4;

FIG. 6 is a cross-sectional view taken along line B-B' of FIG. 1;

fig. 7 is a perspective view of a terminal assembly of an embodiment of the present application;

fig. 8 is an assembled perspective view of a terminal module and a board end insulator body according to an embodiment of the present application;

FIG. 9 is an enlarged view of area B of FIG. 2;

FIG. 10 is a perspective view of a plate end connector of an embodiment of the present application assembled to a wire end connector;

FIG. 11 is a perspective view of a wire end connector according to an embodiment of the present application;

FIG. 12 is another perspective view of a wire end connector according to an embodiment of the present application;

fig. 13 is an assembled perspective view of the wire end plugging male member and the cable according to an embodiment of the present application;

FIG. 14 is a cross-sectional view taken along line C-C' of FIG. 10; and

fig. 15 is an exploded view of a connector assembly of an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1, 2, 3 and 4, a plate end connector according to an embodiment of the present application is shown in a perspective view, an exploded view and a cross-sectional view taken along line a-a' in fig. 1; as shown in the figure, the board end connector 1 of the present embodiment includes a board end insulating body 10, a terminal module 11, a housing 12 and a circuit board 13, where the board end insulating body 10 has a board end plugging surface 101, a board end connection surface 102, a receiving groove 103 and a plugging groove 104, the board end plugging surface 101 is opposite to the board end connection surface 102, the receiving groove 103 penetrates through the board end plugging surface 101 and the board end connection surface 102 along a first direction X, and a plugging opening 1011 is formed on the board end plugging surface 101 and a connection opening 1021 is formed on the board end connection surface 102. The insertion groove 104 is located on the board-end insertion surface 101, and the insertion groove 104 extends along the first direction X and toward the board-end connection surface 102. The terminal module 11 is disposed in the receiving groove 103 of the board-end insulating body 10. The housing 12 is disposed on one side of the board-end insulating body 10, and one side of the housing 12 has a plug-in protrusion 121, and the plug-in protrusion 121 is disposed in the plug-in groove 104. Please refer to FIG. 5, which is an enlarged view of area A in FIG. 4; as shown in the figure, the plug slot 104 has two opposite interference sidewalls 1041, at least one side of the plug protrusion 121 interferes with at least one interference sidewall 1041 of the plug slot 104, in this embodiment, the two interference sidewalls 1041 are spaced in a second direction Y, and at least one side of the plug protrusion 121 interferes with at least one interference sidewall 1041 of the plug slot 104 in the second direction Y, so that the housing 12 can be stably connected to the board-end insulating body 10, where the second direction Y is orthogonal to the first direction X. The circuit board 13 is disposed on a side of the board-end insulating body 10 away from the board-end plugging surface 101, that is, the circuit board 13 is disposed on a side of the board-end connecting surface 102 of the board-end insulating body 10 and connected to the terminal module 11. The housing 12 of the present embodiment is made of metal.

In the present embodiment, the outer shell 12 further has a shell body 120, and the shell body 120 has an accommodating space 1201, a first opening 1202 and a second opening 1203, and the first opening 1202 and the second opening 1203 are opposite to each other and communicate with the accommodating space 1201. The insertion convex part 121 is disposed at a side of the first opening 1202, the insertion convex part 121 extends along the first direction X and toward a direction close to the second opening 1203, and the insertion convex part 121 is located in the accommodating space 1201 of the housing body 120 and has a distance from a sidewall of the housing body 120. When the housing 12 is disposed on one side of the board-end insulator 10, the board-end insulator 10 is disposed in the accommodating space 1201 of the housing 12, the board-end plugging surface 101 of the board-end insulator 10 is exposed from the first opening 1202, and the board-end connection surface 102 of the board-end insulator 10 is exposed from the second opening 1203. The insertion convex part 121 is disposed in the insertion groove 104 and located on a side of the housing 12 close to the board-end insertion surface 101, and the insertion convex part 121 extends along the first direction X and toward a direction close to the board-end connection surface 102.

The plug male member 121 has a plug plate 1211 and two interference protrusions 1212, the plug plate 1211 extends along the first direction X and toward the board end connection surface 102, the plug plate 1211 has a first side 1211a and a second side 1211b opposite to each other, and in this embodiment, the first side 1211a and the second side 1211b are disposed at an interval in the second direction Y. The two interference bumps 1212 are respectively disposed on the first side 1211a and the second side 1211b of the plug board 1211, the two interference bumps 1212 protrude from the plug board 1211 along the second direction Y, and the two interference sidewalls 1041 opposite to the plug slot 104 interfere with each other, so that the housing 12 can be stably connected to the board-end insulating body 10. The distance D1 between the side of each interference bump 1212 facing away from the plug board 1211 and the side of the other interference bump 1212 facing away from the plug board 1211 is slightly greater than the distance D2 between the two interference sidewalls 1041 of the plug slot 104, so that the two interference bumps 1212 can interfere with the two interference sidewalls 1041 of the plug slot 104. Of course, only one interference bump 1212 may be disposed on the first side 1211a of the plug board 1211, that is, the distance between the side of the interference bump 1212 away from the plug board 1211 and the second side 1211b is slightly greater than the distance D2 between the two interference sidewalls 1041 of the plugging slot 104, the interference bump 1212 can interfere with the interference sidewall 1041 of the corresponding plugging slot 104, and at this time, the second sidewall 1211b of the plug board 1211 abuts against the interference sidewall 1041 of the corresponding plugging slot 104, so that the housing 12 can be stably connected to the board-end insulating body 10.

Each interference bump 1212 of the present embodiment has a limiting surface 1212a on a side close to the board-end plugging surface 101, and an extending direction of the limiting surface 1212a is staggered with an extending direction of the interference sidewall 1041 of the plugging slot 104, that is, the extending direction of the limiting surface 1212a is not parallel to the extending direction of the interference sidewall 1041 of the plugging slot 104. When the interference protrusion 1212 interferes with the interference sidewall 1041 of the corresponding insertion slot 104, the limiting surface 1212a is staggered with the interference sidewall 1041 of the insertion slot 104, so as to prevent the insertion male member 121 from being disengaged from the insertion slot 104. In this embodiment, the limiting surface 1212a extends along the second direction Y, the interference sidewall 1041 of the plugging slot 104 extends along the first direction X, and when the interference protrusion 1212 interferes with the interference sidewall 1041 of the corresponding plugging slot 104, the limiting surface 1212a is orthogonal to the interference sidewall 1041 of the plugging slot 104.

In an embodiment, a side of each interference bump 1212 facing away from the board-end mating surface 101 further has a guiding inclined surface 1212b, a distance between an end of the guiding inclined surface 1212b facing away from the board-end mating surface 102 and the first side 1211a (or the second side 1211b) of the plug board 1211 is smaller than a distance between an end of the guiding inclined surface 1212b facing away from the board-end mating surface 101 and the first side 1211a (or the second side 1211b) of the plug board 1211, and the guiding inclined surface 1212b of each interference bump 1212 can move relative to the interference sidewall 1041 of the plug slot 104 to guide the plug male member 121 into the plug slot 104.

In one embodiment, please refer to FIG. 6, which is a cross-sectional view taken along line B-B' of FIG. 1; as shown in the figure, the plugging slot 104 further has a first plugging sidewall 1042 and a second plugging sidewall 1043 opposite to each other, the arrangement direction of the first plugging sidewall 1042 and the second plugging sidewall 1043 is orthogonal to the arrangement direction of the two interference sidewalls 1041, and the first plugging sidewall 1042 and the second plugging sidewall 1043 of the embodiment are arranged at intervals in the first direction X. The first plugging side wall 1042 is further provided with a limiting block 1044, the limiting block 1044 protrudes toward the second plugging side wall 1043, and a distance D3 between a surface of the limiting block 1044 far away from the first plugging side wall 1042 and the second plugging side wall 1043 is slightly greater than or equal to a thickness D4 of the plugging convex member 121. To reduce the width of the plugging slot 104 in the direction orthogonal to the first plugging sidewall 1042, thereby limiting the position of the plugging protrusion 121 in the plugging slot 104 and reducing the displacement of the plugging protrusion 121 in the direction orthogonal to the first plugging sidewall 1042.

In this embodiment, the width of the insertion groove 104 in the third direction Z is reduced by the limiting block 1044, so as to limit the position of the insertion convex member 121 in the insertion groove 104, and reduce the displacement of the insertion convex member 121 in the third direction Z. In an embodiment, a side of the limiting block 1044 close to the board-end plugging surface 101 further has a first guiding surface 10441, a distance between a side of the first guiding surface 10441 close to the board-end plugging surface 101 and the second plugging side wall 1043 is greater than a distance between a side of the first guiding surface 10441 away from the board-end plugging surface 101 and the second plugging side wall 1043, a width of a side of the plugging groove 104 close to the board-end plugging surface 101 in the third direction Z is greater than a width of a side of the plugging groove 104 close to the board-end connection surface 102 in the third direction Z, the plugging convex element 121 is easily inserted into the plugging groove 104 from the board-end plugging surface 101, and the first guiding surface 10441 can guide the plugging convex element 121 to be inserted into the plugging groove 104. The number of the limiting blocks 1044 in this embodiment is two, and the two limiting blocks 1044 are disposed on the first plugging sidewall 1042 at intervals along the second direction Y (as shown in fig. 2).

In an embodiment, a side of each interference sidewall 1041 of the insertion slot 104 close to the board-end insertion surface 101 further has a second guide surface 10411 (as shown in fig. 5), such that a width of a side of each interference sidewall 1041 close to the board-end insertion surface 101 in the second direction Y is smaller than a width of a side of each interference sidewall 1041 away from the board-end insertion surface 101 in the second direction Y, in other words, a width of a side of the insertion slot 104 close to the board-end insertion surface 101 in the second direction Y is larger than a width of a side of the insertion slot 104 away from the board-end insertion surface 101 in the second direction Y, the insertion protrusion 121 is easily inserted into the insertion slot 104 from the board-end insertion surface 101, and the two second guide surfaces 10411 can guide the insertion protrusion 121 to be inserted into the insertion slot 104. In other embodiments, only one second guiding surface 10411 may be provided, i.e., one of the two interference sidewalls 1041 has the second guiding surface 10411, which can also achieve the above-mentioned functions.

As shown in fig. 2, the number of the insertion convex pieces 121 of the present embodiment is two, and the number of the insertion grooves 104 is the same as the number of the insertion convex pieces 121, so the number of the insertion grooves 104 is also two, but not limited thereto. In this embodiment, the inserting groove 104 is located on one side of the board-end inserting surface 101 in the third direction Z, the inserting protrusion 121 is disposed on the side of the housing 12 in the third direction Z, of course, the inserting groove 104 may also be located on one side of the board-end inserting surface 101 in the second direction Y, the inserting protrusion 121 is disposed corresponding to the inserting groove 104, the inserting protrusion 121 may be disposed on the side of the housing 12 in the second direction Y, when the inserting groove 104 may also be located on one side of the board-end inserting surface 101 in the second direction Y, the two interference sidewalls 1041 of the inserting groove 104 are disposed at intervals in the third direction Z, and the first inserting sidewall 1042 and the second inserting sidewall 1043 of the inserting groove 104 are disposed at intervals in the second direction Y.

Referring to fig. 1, fig. 2 and fig. 3, the board-end insulating body 10 of the present embodiment has engaging grooves 105 on two opposite sides in the second direction Y, the engaging grooves 105 extend along the first direction X, and one end of the engaging grooves 105 penetrates through the board-end connecting surface 102. The housing 12 has engaging elastic pieces 122 on two opposite sides in the second direction Y, and one end of the engaging elastic piece 122 extends into the housing 12. When the housing 12 is disposed on one side of the board-end insulator 10, the housing 12 is first inserted into the board-end connecting surface 102 of the board-end insulator 10 and moves toward the board-end inserting surface 101 of the board-end insulator 10, and each engaging elastic piece 122 is located in the corresponding engaging slot 105. When the housing 12 is disposed on one side of the board-end insulator 10, one end of the engaging spring 122 located in the housing 12 abuts against the sidewall of the engaging groove 105 in the first direction X, so as to prevent the board-end insulator 10 from being displaced toward the circuit board 13 in the first direction X relative to the housing 12. In an embodiment, the housing 12 further has a position-giving opening 123 on two opposite sides in the second direction Y, and the two engaging elastic pieces 122 correspond to the two position-giving openings 123 respectively. When the housing 12 is disposed on one side of the board-end insulator 10, each of the locking clips 122 is pressed by the board-end insulator 10 and moves toward the corresponding offset opening 123, in other words, the offset opening 123 provides a space for the locking clip 122 to move, so as to prevent the locking clip 122 from affecting the assembly of the board-end insulator 10 on the housing 12.

The terminal module 11 of the present embodiment includes two terminal assemblies 111 oppositely disposed, and the two terminal assemblies 111 are disposed in the accommodating slot 103 of the board-end insulating body 10 along the third direction Z. Please refer to fig. 7, which is a perspective view of a terminal assembly according to an embodiment of the present application; as shown in the figure, each terminal assembly 111 includes a plurality of terminals 1111, a terminal insulating body 1112 and a conductive colloid 1113, the plurality of terminals 1111 are arranged at intervals, each terminal 1111 has a terminal body 11111, a plug-in end 11112 and a connection end 11113, and the plug-in end 11112 and the connection end 11113 are respectively disposed at two ends of the terminal body 11111. The terminal insulating body 1112 covers a plurality of terminal bodies 11111 of the plurality of terminals 1111, and the plurality of inserting end portions 11112 and the plurality of connecting end portions 11113 are exposed from the terminal insulating body 1112, that is, both ends of each terminal 1111 are exposed from the terminal insulating body 1112. The conductive colloid 1113 is disposed on one side of the terminal insulator 1112.

In one embodiment, the plurality of terminals 1111 includes a plurality of ground terminals 1111a and a plurality of signal terminals 1111b, and two signal terminals 1111b are disposed between two adjacent ground terminals 1111 a. The surface of the terminal insulator 1112 close to the conductive colloid 1113 has a plurality of grooves 11121 arranged at intervals, and the grooves 11121 correspond to the ground terminals 1111a, respectively. The conductive colloid 1113 has a plurality of protrusions 11131 spaced apart from each other on the surface thereof near the terminal insulator 1112, and the protrusions 11131 are respectively disposed in the corresponding recesses 11121 such that the protrusions 11131 respectively correspond to the ground terminals 1111 a. The conductive colloid 1113 further has a colloid body 11130, the plurality of convex portions 11131 are disposed at intervals on the surface of the colloid body 11130 close to the terminal insulator 1112, and the distance between the end surface of each convex portion 11131 close to the terminal insulator 1112 and the corresponding ground terminal 1111a is smaller than the distance between the surface of the colloid body 11130 close to the terminal insulator 1112 and the plurality of signal terminals 1111b, that is, the conductive colloid 1113 shortens the distance between the conductive colloid 1113 and the corresponding ground terminal 1111a by the plurality of convex portions 11131, so that the distance between the conductive colloid 1113 and the corresponding ground terminal 1111a is smaller than the distance between the conductive colloid 1113 and the signal terminals 1111b, and the conductive colloid 1113 and the plurality of ground terminals 1111a enclose a plurality of shielding regions, so that the two signal terminals 1111b in each shielding region do not have the problem of crosstalk with the two signal terminals 1111b in the adjacent shielding region, and the electromagnetic shielding function can be realized.

In one embodiment, the surface of the conductive colloid 1113 near the terminals 1111 and the terminal body 11111 of each terminal 1111 are parallel to each other, so as to improve SI performance of the board-end connector 1. If the terminal body 11111 of each terminal 1111 is bent, the surface of each protrusion 11131 of the conductive paste 1113 close to the terminals 1111 is also bent, and the shape of the surface of the conductive paste 1113 close to the terminals 1111 is matched with the shape of the terminal body 11111 of each terminal 1111, so that the surface of the conductive paste 1113 close to the terminals 1111 and the terminal body 11111 of each terminal 1111 are parallel to each other. In one embodiment, at least one of the plurality of grooves 11121 is a dovetail groove, and at least one of the plurality of protrusions 11131 is a dovetail protrusion, so as to increase the stability of the connection between the conductive paste 1113 and the terminal insulating body 1112.

Referring to fig. 6, the accommodating cavity 103 of the board-end insulating body 10 of the present embodiment has an inserting portion 103a and an accommodating portion 103b, and the accommodating portion 103b is farther from the board-end inserting surface 101 than the inserting portion 103 a. Fig. 8 is an assembled perspective view of a terminal module and a board-end insulator according to an embodiment of the present application; as shown in the figure, the board-end insulating body 10 of the embodiment further includes a positioning element 106, two ends of the positioning element 106 are respectively connected to two opposite side walls of the accommodating slot 103 in the second direction Y, the positioning element 106 is located in the accommodating slot 103b, and the positioning element 106 divides the accommodating slot 103b into two accommodating spaces (as shown in fig. 2). When two terminal assemblies 111 are disposed in the board-end insulating body 10, each terminal assembly 111 is disposed in the accommodating slot 103 from the connecting opening 1021, the two terminal assemblies 111 are respectively located in the corresponding accommodating spaces, the inserting end 11112 of each terminal 1111 of each terminal assembly 111 is located in the inserting portion 103a, the terminal body 11111, the terminal insulating body 1112, and the conductive colloid 1113 of each terminal 1111 of each terminal assembly 111 are located in the accommodating portion 103b, the conductive colloid 1113 of each terminal assembly 111 is connected to the positioning member 106, and the positioning member 106 positions each terminal assembly 111 in the accommodating slot 103 of the board-end insulating body 10.

In an embodiment, referring to fig. 7 and 8, the surface of the positioning element 106 close to each terminal assembly 111 further has a first positioning portion 1061, and the surface of the conductive colloid 1113 of each terminal assembly 111 close to the positioning element 106 further has a second positioning portion 11132. When each terminal assembly 111 is disposed in the accommodating slot 103, the second positioning portion 11132 is disposed in the corresponding first positioning portion 1061. In this embodiment, the first positioning portion 1061 is a groove, the second positioning portion 11132 is a protrusion, and the shape of the cross section of the first positioning portion 1061 matches the shape of the cross section of the second positioning portion 11132. In the present embodiment, both the cross-sectional shape of the first positioning portion 1061 and the cross-sectional shape of the second positioning portion 11132 are dovetail-shaped, the width of the end of the second positioning portion 11132 close to the terminal insulator 1112 is smaller than the width of the end of the second positioning portion 11132 far from the terminal insulator 1112, which also means that the width of the end of the first positioning portion 1061 close to the terminal insulator 1112 is smaller than the width of the end of the first positioning portion 1061 far from the terminal insulator 1112, the first positioning portion 1061 and the second positioning portion 11132 are slidably connected in the first direction X, and the second positioning portion 11132 cannot be separated from the first positioning portion 1061 in the third direction Z. The number of the first positioning portions 1061 and the number of the second positioning portions 11132 in this embodiment are both multiple, and the number of the first positioning portions 1061 matches the number of the second positioning portions 11132. Of course, the first positioning portion 1061 may also be a convex member, and the second positioning portion 11132 may also be a concave groove.

In one embodiment, referring again to fig. 2 and 3, and also to fig. 9, fig. 9 is an enlarged view of region B of fig. 2. The receiving slot 103 further has a first connecting portion 1031 near each terminal assembly 111 and on the sidewall in the third direction Z, and the terminal insulation body 1112 of each terminal assembly 111 is far from the conductive colloid 1113 and further has a second connecting portion 11122 on the surface in the third direction Z. When each terminal assembly 111 is disposed in the receiving slot 103, the second connection portion 11122 of the terminal insulation body 1112 of each terminal assembly 111 is in snap-fit connection with the first connection portion 1031 to fix each terminal assembly 111 in the receiving slot 103, and prevent each terminal assembly 111 from being detached from the plate end connection surface 102 along the first direction X. In this embodiment, the first connecting portion 1031 is a hole, and the second connecting portion 11122 is a convex member. The number of the first connection portions 1031 and the number of the second connection portions 11122 of the present embodiment are both plural, and the number of the first connection portions 1031 coincides with the number of the second connection portions 11122.

In one embodiment, referring again to fig. 2, 3 and 6, the circuit board 13 has a plurality of conductive pads 131 spaced apart from each other, and the connection end 11113 of each terminal 1111 of each terminal assembly 111 is connected to the corresponding conductive pad 131. The board-end housing 10 further has a connection post 1022 on a surface thereof away from the board-end mating surface 101 (i.e., the board-end connection surface 102), the circuit board 13 has a connection hole 132, and when the circuit board 13 is disposed in the housing 12, the connection post 1022 is disposed in the connection hole 132, so that the connection end 11113 of each terminal 1111 can be accurately connected to the corresponding conductive pad 131. The side of the housing 12 away from the board-end plugging surface 101 of the embodiment further has a plurality of inserting posts 124, the plurality of inserting posts 124 are located at the periphery of the second opening 1203, the circuit board 13 has a plurality of inserting holes 133, the plurality of inserting posts 124 are respectively inserted into the plurality of inserting holes 133, so that the housing 12 is connected with the circuit board 13, and further the position of the board-end insulating body 10 relative to the circuit board 13 is fixed, so that the terminal module 11 can be stably connected with the circuit board 13.

Please refer to fig. 10, which is a perspective view illustrating the plate-end connector of the present application assembled to the wire-end connector; as shown in the drawings, the plate-end connector 1 of the present embodiment is connected to the wire-end connector 2 to form a connector assembly. The structure of the wire end connector 2 will be described below, please refer to fig. 11, 12 and 13 together, which are a perspective view of the wire end connector and an assembled perspective view of the wire end plugging convex piece and the cable according to an embodiment of the present application; as shown in the figure, the line end connector 2 of the present embodiment includes a line end inserting convex member 21, a cable 22 and a line end insulating body 23, wherein the line end inserting convex member 21 includes a plurality of terminal contact pads 211 and a plurality of cable contact pads 212, the plurality of terminal contact pads 211 are disposed on two opposite surfaces of the line end inserting convex member 21 at intervals and are located on one side of the line end inserting convex member 21, the plurality of cable contact pads 212 are disposed on two opposite surfaces of the line end inserting convex member 21 at intervals and are located on the other side of the line end inserting convex member 21, and the plurality of cable contact pads 212 are electrically connected to the plurality of terminal contact pads 211 respectively. One end of the cable 22 is soldered to the cable connection pads 212 to electrically connect to the terminal contact pads 211, and the other end of the cable 22 extends away from the terminal insertion protrusion 21.

The wire end insulating body 23 is disposed on a part of the wire end plugging convex piece 21 and a part of the cable 22, the wire end insulating body 23 has a wire end plugging face 231 and a wire end connection face 232, and one side of the wire end plugging convex piece 21 having the plurality of terminal contact pads 211 protrudes from the wire end plugging face 231 to expose the plurality of terminal contact pads 211. The other end of cable 22 exits from wire-end connecting face 232.

Please refer to FIG. 14, which is a cross-sectional view taken along line C-C' of FIG. 10; as shown in the figure, when the board-end connector 1 and the line-end connector 2 of the present embodiment are connected, the line-end plugging convex member 21 of the line-end connector 2 is inserted into the plugging portion 103a of the accommodating slot 103 of the board-end connector 1, the line-end plugging convex member 21 is located between the two terminal assemblies 111, and the plugging end portion 11112 of each terminal 1111 of each terminal assembly 111 contacts with the corresponding terminal contact pad 211, so that the board-end connector 1 and the line-end connector 2 are electrically connected for signal transmission.

Referring to fig. 11 and 12, the terminal connector 2 of the present embodiment further includes a latch assembly 24, the surface of the terminal insulating body 23 in the third direction Z has a latch receiving groove 233, and the latch assembly 24 is disposed in the latch receiving groove 233. Please refer to fig. 15, which is an exploded view of a connector assembly according to an embodiment of the present application; as shown in the drawings, the side of the housing 12 of the plate end connector 1 of the present embodiment close to the plate end plugging surface 101 further has a buckling portion 125, and the buckling portion 125 protrudes from the plate end plugging surface 101 along the first direction X. When the plate end connector 1 is connected with the wire end connector 2, the buckling part 125 is connected with the latch assembly 24 (as shown in fig. 10), so that the connection stability between the plate end connector 1 and the wire end connector 2 can be improved.

In one embodiment, the board end mating surface 101 of the board end insulator 10 further has two oppositely disposed positioning slots 1012, and the wire end mating surface 231 of the wire end insulator 23 of the wire end connector 2 further has two oppositely disposed positioning protrusions 234 (as shown in fig. 12). When the board-end connector 1 is connected to the line-end connector 2, each positioning protrusion 234 is disposed in the corresponding positioning slot 1012 to guide the board-end connector 1 to be connected to the line-end connector 2, and to ensure that the board-end connector 1 and the line-end connector 2 are accurately plugged. In addition, the orthographic projection of the two positioning protrusions 234 onto the line end plugging surface 231 is located within the line end plugging surface 231, and the orthographic projection of the two positioning insertion grooves 1012 onto the board end plugging surface 101 is located within the first opening 1202. When the board-side connector 1 is connected to the line-side connector 2, the area of the board-side connector 1 connected to the line-side connector 2 is maintained within the area of the first opening 1202 of the housing 12 of the board-side connector 1 and the area of the line-side plugging surface 231 of the line-side insulating body 23, so that the sizes of the board-side connector 1 and the line-side connector 2 are not increased.

The shape of each positioning slot 1012 conforms to the shape of each positioning lug 234. In this embodiment, each positioning slot 1012 is shaped like an inverted L, and the two positioning slots 1012 are symmetrically disposed about a center line of the board end plugging surface 101. The shape of each positioning protrusion 234 conforms to the shape of the corresponding positioning insertion groove 1012, so that each positioning protrusion 234 is also shaped like an inverted L, and the two positioning protrusions 234 are symmetrically arranged with respect to the center line of the wire end plugging surface 231. Specifically, each positioning insertion groove 1012 has a first groove portion 1012a and a second groove portion 1012b communicating with the first groove portion 1012a, the first groove portion 1012a extending in the second direction Y, and the second groove portion 1012b extending in the third direction Z. Each of the positioning protrusions 234 includes a first positioning protrusion 234a and a second positioning protrusion 234b connected to the first positioning protrusion 234a, the first positioning protrusion 234a extending in the second direction Y, and the second positioning protrusion 234b extending in the third direction Z. When each positioning convex piece 234 is arranged in the corresponding positioning slot 1012, the first positioning convex part 234a of each positioning convex piece 234 and the first groove part 1012a of the corresponding positioning slot 1012 cooperate to restrict the relative movement between the board-end connector 1 and the wire-end connector 2 in the second direction Y; the second positioning protrusion 234b of each positioning protrusion 234 cooperates with the second groove 1012b of the corresponding positioning slot 1012 to restrict the relative movement between the board-end connector 1 and the line-end connector 2 in the third direction Z, so that the line-end plugging protrusion 21 of the line-end connector 2 can be accurately inserted into the accommodating groove 103 of the board-end connector 1.

The board end inserting surface 101 of the board end insulating body 10 of the board end connector 1 of the present embodiment further has a guiding groove 1013, and the guiding groove 1013 is located between the two positioning insertion grooves 1012. The wire end plugging surface 231 of the wire end insulating body 23 of the wire end connector 2 of the present embodiment is further provided with a guiding plate 235, the guiding plate 235 protrudes from the wire end plugging surface 231 along the first direction X, an orthogonal projection of the guiding plate 235 onto the wire end plugging surface 231 is located in the wire end plugging surface 231, and the guiding plate 235 is used for guiding the connection of the plate end connector 1 and the wire end connector 2.

In the present embodiment, the guide plate 235 is located between the two positioning protrusions 234, and the length of the guide plate 235 protruding from the wire end plugging surface 231 is greater than the length of each positioning protrusion 234 protruding from the wire end plugging surface 231. When the board-side connector 1 is connected to the wire-side connector 2, before the positioning protrusion 234 of the wire-side connector 2 is inserted into the positioning slot 1012 of the board-side connector 1, the guide plate 235 of the wire-side connector 2 is inserted into the guide groove 1013 of the board-side connector 1, and the guide plate 235 of the wire-side connector 2 is matched with the guide groove 1013 of the board-side connector 1 to achieve the function of initial positioning, so as to ensure that the wire-side connector 2 is inserted into the board-side connector 1 in the correct direction. Then, the positioning protrusion 234 of the line end connector 2 is inserted into the positioning slot 1012 of the board end connector 1, so as to prevent the board end connector 1 from being damaged due to oblique insertion when being connected with the line end connector 2. The latch receiving groove 233 of the present embodiment extends to the guide plate 235.

To sum up, the present application provides a board end connector and a connector assembly, which are connected to the insertion groove of the board end insulator through the insertion protrusion of the housing, and the interference protrusion of the insertion protrusion interferes with the interference sidewall of the insertion groove, so as to increase the holding force between the housing and the board end insulator, and thus the housing is stably connected to the board end insulator, thereby effectively preventing the housing from separating from the board end insulator.

This application reduces the distance between conductive adhesive and a plurality of ground terminal through a plurality of recesses of terminal insulator and a plurality of convex part cooperation of conductive adhesive, effectively promotes the electromagnetic shielding effect of terminal subassembly. A positioning part is arranged in the accommodating groove of the plate end insulating body, and a first positioning part on the positioning part is matched with a second positioning part of the conductive colloid of each terminal assembly so as to fix the terminal assemblies in the accommodating groove of the plate end insulating body.

In addition, a plurality of location convex parts of line end connector are connected with a plurality of positioning groove of board end connector, make line end connector accurately be connected with board end connector, avoid the in-process that line end connector and board end connector are connected to take place to insert to one side and cause the damage. Meanwhile, the plurality of positioning convex parts and the plurality of positioning grooves are positioned in the opposite splicing surfaces of the wire end connector and the plate end connector, so that the volumes of the wire end connector and the plate end connector cannot be additionally increased.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (20)

1. A plate end connector comprising:

the board end insulating body is provided with a board end plugging surface and a plugging groove, the plugging groove is positioned on the board end plugging surface, and the plugging groove is provided with two opposite interference side walls;

the terminal module is arranged in the plate end insulating body; and

the shell is arranged on one side of the board end insulating body, an inserting convex piece is arranged on one side of the shell and arranged in the inserting groove, an interference convex block is arranged on at least one side of the inserting convex piece, and the interference convex block interferes with at least one of the two interference side walls.

2. The plate end connector of claim 1, wherein the plug male member further comprises a plug plate body having a first side and a second side opposite to each other, the number of the interference protrusions is two, and two interference protrusions are respectively disposed on the first side and the second side.

3. The plate end connector of claim 2 wherein the distance between the side of the interference projection remote from the plug plate body and the side of the other interference projection remote from the plug plate body is greater than the distance between the two interference side walls.

4. The plate end connector of claim 1 wherein the male plug member further comprises a plug plate body having opposing first and second sides, the interference projection being disposed on the first side, the second side abutting one of the two interference walls.

5. The plate end connector of claim 4 wherein the distance between the side of the interference projection remote from the plug plate body and the second side is greater than the distance between the two interference side walls.

6. The plate end connector of claim 1 wherein the socket further comprises opposing first and second socket sidewalls, the first socket sidewall further comprising a stop projecting toward the second socket sidewall.

7. The plate end connector of claim 6 wherein the distance between the surface of the stop remote from the first plug sidewall and the second plug sidewall is greater than or equal to the thickness of the plug male member.

8. The plate end connector of claim 6 wherein the stopper has a first guide surface on a side thereof adjacent the plate end mating surface.

9. The plate end connector of claim 1 wherein at least one of the two interfering side walls further comprises a second guide surface adjacent the plate end mating surface.

10. The board-end connector according to claim 1, wherein the board-end insulator has a locking groove, the board-end insulator further has a board-end connecting surface, the locking groove extends through the board-end connecting surface, the housing has a locking spring, the locking spring is located in the locking groove, and one end of the locking spring abuts against a sidewall of the locking groove.

11. The board end connector according to claim 1, wherein the board end insulator further has a receiving slot, the terminal module is disposed in the receiving slot, and the terminal module includes two terminal assemblies, the two terminal assemblies are oppositely disposed in the receiving slot, each of the two terminal assemblies includes a plurality of terminals, a terminal insulator and a conductive gel, the plurality of terminals are arranged at intervals, the terminal insulator is disposed on the plurality of terminals, two ends of the plurality of terminals are exposed from the terminal insulator, and the conductive gel is disposed on one side of the terminal insulator.

12. The board end connector of claim 11, wherein the plurality of terminals include a plurality of ground terminals and a plurality of signal terminals, the surface of the terminal insulator body adjacent to the conductive gel has a plurality of spaced apart grooves corresponding to the plurality of ground terminals; the surface of the conductive colloid, which is close to the terminal insulation body, is provided with a plurality of convex parts arranged at intervals, and the convex parts are respectively arranged in the grooves.

13. The board end connector according to claim 12, wherein the conductive adhesive further has a glue body, the plurality of protrusions are spaced apart from each other on a surface of the glue body close to the terminal insulator, and a distance between an end surface of any one of the plurality of protrusions close to the terminal insulator and the corresponding ground terminal is smaller than a distance between the surface of the glue body close to the terminal insulator and the plurality of signal terminals.

14. The board end connector according to claim 11, wherein the receiving groove has an inserting portion and a receiving portion, the receiving portion is farther from the board end inserting surface than the inserting portion, the board end insulator further comprises a positioning member, two ends of the positioning member are respectively connected to two side walls opposite to the receiving groove, the receiving portion of the positioning member is divided into two receiving spaces, the two terminal assemblies are respectively disposed in the two receiving spaces, and the conductive adhesive of any one of the two terminal assemblies is connected to the positioning member.

15. The board end connector of claim 14, wherein the surface of the positioning member near either of the two terminal assemblies has a first positioning portion, and the surface of the conductive gel near the positioning member of either of the two terminal assemblies has a second positioning portion, and the second positioning portion is disposed at the first positioning portion.

16. The board end connector according to claim 11, wherein the receiving slot has a first connecting portion near a sidewall of each of the two terminal assemblies, and the surface of the terminal insulator body of each of the two terminal assemblies away from the conductive gel has a second connecting portion, and the second connecting portion is snap-fit to the first connecting portion.

17. The board end connector of claim 1, wherein a side of the housing adjacent the board end mating surface has a first opening, the board end mating surface is exposed from the first opening, the board end mating surface has a positioning slot configured to couple with two positioning tabs of a line end connector.

18. The board end connector of claim 17, wherein the board end mating surface has two oppositely disposed positioning slots symmetrically disposed about a centerline of the board end mating surface, and wherein the two positioning slots are each in the shape of an inverted L.

19. A connector assembly, comprising;

the plate end connector of claim 1; and

and the wire end connector is connected with the plate end connector.

20. The connector assembly of claim 19, wherein the terminal connector comprises a terminal end insulator body having a terminal end mating face with two oppositely disposed positioning projections, the orthographic projection of the two positioning projections onto the terminal end mating face being located within the terminal end mating face; the shell is provided with a first opening at one side close to the board end plugging surface, the board end plugging surface is exposed from the first opening, the board end plugging surface is provided with two oppositely arranged positioning slots, the orthographic projections of the two positioning slots projected to the board end plugging surface are positioned in the first opening of the shell, the two positioning slots are connected with the two positioning convex pieces, and the shapes of the two positioning convex pieces and the shapes of the two positioning slots are in inverted L shapes.

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