CN219067283U - Wire end connector and connector combination - Google Patents

Abstract

The utility model discloses a wire end connector, comprising: the first body, electrically conductive subassembly, first cable and second cable, the first wiring portion of first terminal in the electrically conductive subassembly is greater than the first spring arm in the first longitudinal direction's sheet metal material length, the quantity of first spring arm is greater than the quantity of first wiring portion, the second wiring portion of second terminal in the electrically conductive subassembly is greater than the second spring arm in the longitudinal direction's sheet metal material length, the quantity of second spring arm is greater than the quantity of second wiring portion, first wiring portion and second wiring portion are arranged in turn in the longitudinal direction, first main part and second main part are relative in the transverse direction, first spring arm second spring arm is relative in the transverse direction and both form a grafting portion jointly. And connector combinations including cable connectors and board-end connectors are disclosed. The plug-in parts of the line-end connectors can be densely distributed.

Description

Wire end connector and connector combination

[ field of technology ]

The present utility model relates to a line end connector and connector assembly, and more particularly to a line end connector for mating with a board end connector and a connector assembly including a line end connector and a board end connector.

[ background Art ]

The existing wire end connector is used for being in butt joint with a board end connector, and the wire end connector and the board end connector form a connector combination together, and the wire end connector comprises an insulating body and a plurality of conductive terminals arranged on the insulating body, wherein the conductive terminals are arranged on the insulating body in at least one row. The conductive terminal comprises a main body part, a wiring part formed by extending from one end of the main body part and a plug-in part formed by extending from the other end of the main body part, each wiring part clamps a cable, the board-end connector comprises an insulating seat and a plurality of butt-joint terminals arranged on the insulating seat, the cable connector is in butt joint with the board-end connector, and the butt-joint terminals are plugged in the plug-in part of the conductive terminal so as to realize the signal transmission of the line-end connector to the board-end connector.

Generally, a plurality of conductive terminals in the same row are formed by stamping the same metal plate, and a plurality of conductive terminals in the same row are connected with the same material belt, the material belt is provided with a row of conductive terminals connected with the material belt and is arranged on the insulating body, and then the material belt is removed, however, in the stamping process of the wiring part, the occupation space of the wiring part in the arrangement direction of the conductive terminals in the same row is larger than that of the inserting part in the extending state of the stamping plate, so that when the metal plate meets the arrangement design of the wiring part, the distance between two adjacent inserting parts is larger, and the conductive terminals cannot be densely arranged.

Therefore, there is a need to design a new line-end connector and connector combination to overcome the above-mentioned problems.

[ utility model ]

The utility model aims to provide a wire end connector and a connector combination for realizing dense arrangement of plug parts.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a wire end connector, comprising: a first body; at least one conductive component arranged on the first body, wherein the conductive component comprises a first terminal and a second terminal; the first terminal is made of metal plates and is provided with a first main body part, at least one first wiring part formed by extending from one end of the first main body part and a plurality of first spring arms formed by extending from the other end of the first main body part, the plurality of first spring arms are distributed along the longitudinal direction, the material length of the metal plates of the first wiring part in the longitudinal direction is greater than that of the metal plates of the first spring arms in the longitudinal direction, and the number of the first spring arms is greater than that of the first wiring parts; the second terminal is made of metal plates and is provided with a second main body part, at least one second wiring part and a plurality of second spring arms, wherein the second wiring part extends from one end of the second main body part, the second spring arms extend from the other end of the second main body part, the second spring arms are distributed along the longitudinal direction, the material consumption length of the metal plates of the second wiring part in the longitudinal direction is greater than that of the metal plates of the second spring arms in the longitudinal direction, and the number of the second spring arms is greater than that of the second wiring parts; the first wiring parts and the second wiring parts are alternately arranged in the longitudinal direction to define a transverse direction, the first main body parts and the second main body parts are oppositely arranged in the transverse direction and are perpendicular to the longitudinal direction, each first elastic arm and one second elastic arm are oppositely arranged in the transverse direction, and the first elastic arms and the second elastic arms form an inserting part together; at least one first cable, the first connection part is connected with the first cable; the second wiring part is connected with the second cable.

Further, the sum of the number of the first wiring parts and the number of the second wiring parts is the same as the number of the first elastic arms, and the sum of the number of the first wiring parts and the number of the second wiring parts is the same as the number of the second elastic arms.

Further, the number of the first elastic arms is twice the number of the first wiring parts, and the number of the second elastic arms is twice the number of the second wiring parts.

Further, the first connection part is provided with a first bottom plate and a first wing part formed by bending and extending from two longitudinal sides of the first bottom plate along one side of the transverse direction respectively, the first cable is placed on the first bottom plate and clamped by the two first wing parts, the total length of the connection part which is unfolded along the longitudinal direction is larger than the distance between the outermost sides of the adjacent two first elastic arms, the second connection part is provided with a second bottom plate and a second wing part formed by bending and extending from two longitudinal sides of the second bottom plate along one side of the transverse direction respectively, the second cable is placed on the second bottom plate and clamped by the two second wing parts, the total length of the second connection part which is unfolded along the longitudinal direction is larger than the distance between the outermost sides of the adjacent two second elastic arms, the first bottom plate and the second bottom plate are arranged side by side along the longitudinal direction, and the direction of the first wing part is consistent with the direction of the second wing part which is bent relative to the second bottom plate.

Further, the second elastic arm is provided with a bending part connected with the second main body part, the bending part enables the second elastic arm to bend and extend in a direction away from the first elastic arm in a transverse direction, a front-back direction is defined, the front-back direction is perpendicular to the longitudinal direction and the transverse direction, the first elastic arm is provided with a straight part, and the straight part extends from the first main body part in the front-back direction.

Further, the width of the first spring arm in the longitudinal direction is larger than the width of the second spring arm in the longitudinal direction.

Further, the first elastic arm is provided with a first contact portion facing the second elastic arm in the transverse direction, the second elastic arm is provided with a second contact portion facing the first elastic arm in the transverse direction, the first contact portion and the second contact portion are aligned in the transverse direction and form an inserting space therebetween, the first main body portion is flat, and the first contact portion is closer to the second contact portion in the transverse direction than the first main body portion.

Further, the first body portion and the second body portion are both flat, and the first body portion is welded to the second body portion.

Further, the first body is provided with at least one row of first through holes, each row of first through holes is provided with a plurality of first through holes distributed along the longitudinal direction, and the plurality of plug-in parts of the conductive component are plugged in different first through holes in the same row.

Further, in the same row of the first through holes, two adjacent first through holes are communicated through a groove, and the groove accommodates the first main body part and the second main body part.

Further, the first body has a base and at least one row of columns extending forward from the base along a front-rear direction, the front-rear direction is perpendicular to the longitudinal direction and the transverse direction, each row of columns is provided with a plurality of columns arranged along the longitudinal direction, each column is provided with a first through hole, the first through hole penetrates forward through the columns and backwards through the base, the groove is arranged on the base and backwards penetrates through the base, the conductive component is assembled on the first body in a back-to-front mode, one of the first body part and the second body part is provided with at least one buckling part protruding outwards in the transverse direction, at least one buckling groove is arranged on the first body, the buckling groove is concavely formed between two columns adjacent in the same row from the front surface of the base backwards, the buckling groove is communicated with one groove, the buckling part is accommodated in the buckling groove, and the conductive component is limited to be separated from the first body backwards.

Further, the first body is provided with a base and at least one row of columns formed by extending forwards from the base along the front-rear direction, the front-rear direction is perpendicular to the longitudinal direction and the transverse direction, each row of columns is provided with a plurality of columns arranged along the longitudinal direction, each column is provided with a first through hole, the first through hole penetrates the columns forwards and backwards, penetrates the base backwards, and the groove is formed in the base and penetrates the base backwards and is positioned behind the front end face of the base; the conductive component is assembled on the first body in a back-to-front mode, the first main body part comprises a first transverse bar and a plurality of first branch parts formed by extending from the first transverse bar, the plurality of first branch parts are arranged along the longitudinal direction, each first branch part is connected with one first elastic arm, and the first wiring part is connected with the first transverse bar; the second main body part comprises a second transverse bar and a plurality of second branch parts formed by extending from the second transverse bar, the second branch parts are distributed along the longitudinal direction, each second branch part is connected with one second elastic arm, and the second wiring part is connected with the second transverse bar; the first transverse bar and the second transverse bar are stacked in the transverse direction and limited by the grooves in the transverse direction, the first branch portions and the second branch portions are arranged in one-to-one correspondence in the transverse direction, and the first branch portions and the second branch portions protrude forwards and extend into the corresponding columns.

Further, the first body is provided with a protruding portion protruding into one of the first through holes, the width of the first elastic arm in the longitudinal direction is larger than that of the second elastic arm in the longitudinal direction, the second elastic arm is arranged adjacent to the protruding portion in the longitudinal direction, the protruding portion is arranged in a abdicating mode, and the first elastic arm is arranged at intervals with the protruding portion in the transverse direction.

Further, the first body is provided with a base and a row of columns formed by extending the base forwards along the front-rear direction, the front-rear direction is perpendicular to the longitudinal direction and the transverse direction, each row of columns is provided with a plurality of columns distributed along the longitudinal direction, each column is provided with a first through hole, the first through holes penetrate the columns forwards and backwards, the base penetrates the bosses are arranged on the columns, the columns are provided with unfilled corners, and the bosses and the unfilled corners are opposite to the inner surface and the outer surface of the columns.

Further, the conductive component is a power terminal.

A connector assembly comprising: a line end connector according to any one of the above; and the board end connector is in butt joint with the line end connector.

Further, the board-end connector includes a second body and at least one third terminal disposed on the second body, where the third terminal includes a third main body portion, a plurality of branches integrally extending from one end of the third main body portion, and at least one electric conductive portion extending from the other end of the third main body portion, each branch is provided with a docking portion, the plurality of docking portions of each third terminal are in one-to-one plugging connection with the plurality of plugging portions of each conductive component, and the docking portions are clamped by the corresponding first spring arms and the corresponding second spring arms in a transverse direction to form an electric connection.

Further, the second body is provided with at least one row of second through holes, each row of second through holes are distributed along the longitudinal direction and are arranged at intervals, the branches of the third terminal are inserted into one row of second through holes in a one-to-one correspondence manner and are fixed with each other, and the butt joint part is accommodated in one second through hole.

Further, the third main body portion is located outside the second main body portion and is arranged in a plate shape along a transverse direction, the branch extends from one end of the third main body portion in the transverse direction to form, the branch is in an L shape, and the electric conduction portion extends from the other end of the third main body portion in the transverse direction to form along the transverse direction.

Further, the third terminal is formed by stamping a metal plate, and the number of the butt joint parts of the third terminal is equal to that of the electric conduction parts.

Compared with the prior art, the wire end connector and the connector combination have the following beneficial effects:

the length of the metal plate material used by the first wiring part of the first terminal in the longitudinal direction is greater than that of the metal plate material used by the first elastic arms in the longitudinal direction, the number of the first elastic arms is greater than that of the first wiring parts, the length of the metal plate material used by the second wiring part of the second terminal in the longitudinal direction is greater than that of the metal plate material used by the second elastic arms in the longitudinal direction, the number of the second elastic arms is greater than that of the second wiring parts, the first wiring parts and the second wiring parts are alternately arranged in the same row by arranging the first terminal and the second terminal in the transverse direction, each first elastic arm and one of the second elastic arms are oppositely arranged in the transverse direction, and an inserting connection part is jointly formed, so that the inserting connection parts and the wiring parts on the same conductive assembly are densely arranged under the condition of meeting the length requirements required by the first wiring parts and the second wiring parts.

[ description of the drawings ]

FIG. 1 is a perspective view of a connector assembly of the present utility model after a wire end connector is mated with a board end connector;

FIG. 2 is a cross-sectional view of FIG. 1 taken along a plane defined by the front-to-back direction and the lateral direction;

FIG. 3 is a perspective view of the wire end connector of FIG. 1 prior to unmating the board end connector;

FIG. 4 is an exploded perspective view of the wire end connector of FIG. 3;

FIG. 5 is a perspective view of the first body of FIG. 4 from another perspective;

FIG. 6 is a schematic view of the first body of FIG. 4 from the rear to the front;

FIG. 7 is a schematic view of the first body of FIG. 4 from front to back;

fig. 8 is an exploded perspective view of the conductive assembly of fig. 4;

FIG. 9 is a schematic view of the first and second terminals of FIG. 8 after being unfolded;

FIG. 10 is a schematic view of the cable connector of FIG. 3 from front to back;

FIG. 11 is a cross-sectional view taken along line A-A of FIG. 10;

FIG. 12 is a cross-sectional view taken along line B-B of FIG. 10;

FIG. 13 is a cross-sectional view taken along line C-C of FIG. 10;

FIG. 14 is a schematic view of FIG. 10 with the first body hidden and only partially shown;

FIG. 15 is a perspective view of the board end connector of FIG. 3 from another perspective;

FIG. 16 is an exploded perspective view of the board end connector of FIG. 15;

fig. 17 is a perspective view of the other view of fig. 16.

Reference numerals of the specific embodiments illustrate:

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[ detailed description ] of the utility model

For a better understanding of the utility model with objects, structures, features, and effects, the utility model will be described further with reference to the drawings and to the detailed description.

For ease of understanding, in the present utility model, a front-rear direction, a lateral direction, and a longitudinal direction are defined and are perpendicular to each other, wherein the front-rear direction is defined as a Y-axis direction, the forward direction is defined as a positive direction of the Y-axis, the lateral direction is defined as a Z-axis direction, the longitudinal direction is defined as an X-axis direction, and the front-rear direction, the lateral direction, and the longitudinal direction are all reference directions defined for convenience of description of the structure of the present utility model.

As shown in fig. 1 to 17, a connector assembly 1000 according to the present utility model is shown, wherein the connector assembly 1000 includes a wire end connector 100 and a board end connector 200.

As shown in fig. 4, the wire-end connector 100 includes a first body 1, a plurality of conductive elements M, a plurality of first cables 4, and a plurality of second cables 5, wherein the plurality of conductive elements M are disposed in two rows in the transverse direction on the first body 1, and each of the conductive elements M is electrically connected to the plurality of first cables 4 and the plurality of second cables 5. In other embodiments, the line-end connector 100 may include only one of the conductive members M; in yet other embodiments, each of the conductive assemblies M may only conduct one of the first and second cables 4 and 5.

As shown in fig. 4, 10 and 11, the first body 1 is made of an insulating material, the first body 1 has a base 11 and a plurality of rows of columns 12 extending forward from the base 11 in the front-rear direction, the columns 12 are arranged in a plurality of rows in the lateral direction, each row of columns 12 is provided with a plurality of columns 12 arranged in the longitudinal direction, and the columns 12 are arranged at intervals in the longitudinal direction. In other embodiments, the first body 1 has only one row of the columns 12 extending forward from the base 11.

As shown in fig. 5, 6 and 11, the first body 1 is provided with a plurality of rows of first through holes 13 distributed in the transverse direction, each first through hole 13 penetrates the first body 1 in the front-rear direction, each column 12 is correspondingly provided with one first through hole 13, and the first through hole 13 penetrates the corresponding column 12 forwards and penetrates the base 11 backwards. In other embodiments, the first body 1 may be provided with only one row of the first through holes 13, and the number of the first through holes 13 corresponds to the number of the columns 12.

As shown in fig. 7, the first body 1 is provided with a unfilled corner 14 in most of the plurality of columns 12, i.e., the columns 12 are cut out by a corner in four corners of a rectangular cross section perpendicular to the front-rear direction, and in this embodiment, not every row of columns 12 is provided with the unfilled corner 14. In other embodiments, the unfilled corners 14 may be provided on only one of the columns 12, with the remainder not provided with the unfilled corners 14.

As shown in fig. 7, the first body 1 is provided with a protrusion 15 on the column 12 corresponding to the unfilled corner 14, the protrusion 15 is formed by protruding from the first through hole 13 corresponding to the column 12, and the protrusion 15 and the unfilled corner 14 are opposite to each other on the inner and outer surfaces of the column 12, i.e. the unfilled corner 14 and the protrusion 15 are disposed on the inner and outer surfaces of the same corner of the column 12.

As shown in fig. 5, 6 and 13, in the same row of the first through holes 13, a groove 16 is disposed between each two adjacent first through holes 13 in the first body 1, the groove 16 communicates with the two adjacent first through holes 13, the groove 16 penetrates the base 11 backward, the groove 16 is only located in the base 11, and the grooves 16 corresponding to the same row of the first through holes 13 are aligned in the longitudinal direction.

As shown in fig. 6, 7 and 12, the first body 1 is further provided with a plurality of retaining grooves 17, each retaining groove 17 is concavely formed between two columns 12 adjacent in the same row from the front surface of the base 11, and the retaining groove 17 communicates with one of the grooves 16. In other embodiments, only one of the retaining grooves 17 may be provided.

As shown in fig. 4, 8 and 13, each of the conductive assemblies M includes a first terminal 2 and a second terminal 3, the first terminal 2 and the second terminal 3 are respectively formed by stamping a metal plate, the first terminal 2 is connected to a plurality of first cables 4, and the second terminal 3 is connected to a plurality of second cables 5. In this embodiment, the conductive component M is a power terminal for transmitting a large current.

As shown in fig. 4 and 8, the first terminal 2 has a first main body 21, a plurality of first connection portions 22 formed by extending from one end of the first main body 21, and a plurality of first spring arms 23 formed by extending from the other end of the first main body 21, wherein the plurality of first spring arms 23 are arranged in a row along the longitudinal direction, the plurality of first connection portions 22 are arranged in a row along the longitudinal direction, the number of first spring arms 23 is greater than the number of first connection portions 22, and the material length of the metal plate material of the first connection portions 22 in the longitudinal direction is greater than the material length of the metal plate material of the first spring arms 23 in the longitudinal direction. In other embodiments, only one of the first connection portions 22 of the first terminal 2 may be provided.

As shown in fig. 4 and 8, the first main body 21 includes a first transverse bar 211 and a plurality of first branch portions 212 extending forward from the front end of the first transverse bar 211, the first transverse bar 211 extends lengthwise along the longitudinal direction, each of the first branch portions 212 is connected to one of the first spring arms 23 forward, and the plurality of first connection portions 22 are connected to the rear end of the first transverse bar 211.

As shown in fig. 8 and 11, each of the first spring arms 23 has a straight portion 231 formed by extending from the first main body portion 21, specifically, the straight portion 231 is formed by extending forward in the front-rear direction from the front end of the corresponding first leg portion 212, and the straight portion 231 is located on the same plane as the first main body portion 21. Each of the first spring arms 23 is provided with a first contact portion 232 facing the corresponding second spring arm 33 in the lateral direction, and the first contact portion 232 is located in front of the flat portion 231.

As shown in fig. 8 and 9, the first connection portion 22 has a first bottom plate 221 and a first wing portion 222 formed by bending and extending from two sides of the first bottom plate 221 along one side of the transverse direction, the first cable 4 is placed on the first bottom plate 221 and is clamped by two first wing portions 222, in this embodiment, the first bottom plate 221 is bent into a curved shape, and the total length of the first connection portion 22 extending along the longitudinal direction is greater than the distance between the outermost sides of the adjacent two first spring arms 23.

As shown in fig. 4 and 8, the second terminal 3 has a second main body portion 31, at least one second connection portion 32 extending from one end of the second main body portion 31, and a plurality of second spring arms 33 extending from the other end of the second main body portion 31, wherein the plurality of second spring arms 33 are arranged in a row along the longitudinal direction, the plurality of second connection portions 32 are arranged in a row along the longitudinal direction, the number of second spring arms 33 is greater than the number of second connection portions 32, and the metal plate material length of the second connection portion 32 in the longitudinal direction is greater than the metal plate material length of the second spring arms 33 in the longitudinal direction.

As shown in fig. 4 and 8, the second main body 31 includes a second transverse bar 311 and a plurality of second branch portions 312 extending forward from the front end of the second transverse bar 311, the second transverse bar 311 extends longitudinally in the longitudinal direction, each of the second branch portions 312 is connected to one of the second spring arms 33 forward, and the plurality of second connection portions 32 are connected to the rear end of the second transverse bar 311.

As shown in fig. 4 and 8, in the present embodiment, the first main body portion 21 and the second main body portion 31 are each in a flat plate shape, the first main body portion 21 and the second main body portion 31 are disposed opposite to each other in the lateral direction, specifically, the first cross bar 211 and the second cross bar 311 are stacked and welded to each other, a plurality of the first branch portions 212 and a plurality of the second branch portions 312 are disposed in one-to-one correspondence in the lateral direction, and the first branch portions 212 and the corresponding second branch portions 312 are stacked and welded to each other in the lateral direction. In other embodiments, the first body portion 21 and the second body portion 31 may be fixed to each other in other manners.

As shown in fig. 8 and 11, each of the second spring arms 33 is provided with a bending portion 331 connected to the second body portion 31, specifically, the bending portion 331 is formed to extend from the second branch portion 312 in a direction away from the straight portion 231 in a lateral direction, so that the second spring arm 33 extends in a direction away from the first spring arm 23 in a lateral direction. The second spring arm 33 is provided with a second contact portion 332 facing the first spring arm 23 in the lateral direction, and the second contact portion 332 is located in front of the bending portion 331.

As shown in fig. 8 and 9, the second connection portion 32 has a second bottom plate 321 and a second wing portion 322 formed by bending and extending from two sides of the second bottom plate 321 along a lateral direction, the second cable 5 is placed on the second bottom plate 321 and is clamped by two second wing portions 322, in this embodiment, the second bottom plate 321 is bent into a curved shape, the total length of the second connection portion 32 extending along the longitudinal direction is greater than the distance between the outermost sides of the adjacent two second spring arms 33, the first bottom plate 221 and the second bottom plate 321 are arranged side by side along the longitudinal direction, and the bending direction of the first wing portion 222 relative to the first bottom plate 221 is consistent with the bending direction of the second wing portion 322 relative to the second bottom plate 321.

As shown in fig. 4, 8 and 11, in the same conductive assembly M, each of the first spring arms 23 and one of the second spring arms 33 are disposed opposite to each other in the transverse direction, and together form a plugging space S, the first contact portion 232 and the second contact portion 332 are disposed aligned in the transverse direction and form a plugging space S1 therebetween, the first contact portion 232 is disposed closer to the second contact portion 332 than the first body portion 21 is, the first contact portion 232 is disposed closer to the corresponding second spring arm 33 than the straight portion 231 is in the transverse direction, the plurality of first wire connecting portions 22 and the plurality of second wire connecting portions 32 are alternately arranged in the longitudinal direction, in this embodiment, the width of the first spring arm 23 in the longitudinal direction is larger than the width of the second spring arm 33, the number of the first wire connecting portions 22 and the number of the second wire connecting portions 32 are the same as the number of the first spring arms 23 and the number of the second spring arms 32, and the number of the first spring arms 23 and the number of the second wire connecting portions 32 are twice as the number of the first wire connecting portions 32 and the number of the second spring arms 32. In other embodiments, the number of the first spring arms 23 is more than twice the number of the first connection parts 22, and the number of the second spring arms 33 is more than twice the number of the second connection parts 32, or is not a multiple.

As shown in fig. 8, the first main body 21 is provided with a plurality of fastening portions 24 protruding outwards in the transverse direction, specifically, a plurality of fastening portions 24 are aligned in the longitudinal direction, the protruding direction of the fastening portions 24 with respect to the first main body 21 is opposite to the bending direction of the first wing portion 222, and each fastening portion 24 is disposed on the first transverse bar 211 and is located right behind the position between two adjacent first branch portions 212. In other embodiments, the fastening portion 24 may be formed to protrude outward from the second body portion 31 in the lateral direction, or the fastening portion 24 may be provided to protrude outward from both the first body portion 21 and the second body portion 31.

As shown in fig. 4, 11 and 12, the conductive elements M holding the first cables 4 and the second cables 5 are assembled from the back to the front in the first body 1, each conductive element M is received in a row of the first through holes 13, the first horizontal bar 211 and the second horizontal bar 311 are received in the groove 16 and limited by the groove 16 in the lateral direction, the fastening portion 24 is received in the fastening groove 17 and limited by the rear wall of the fastening groove 17, and further the conductive element M is limited to be separated from the first body 1 backward, the first branch portion 212 and the second branch portion 312 protrude forward into the corresponding column 12, the first elastic arm 23 and the corresponding second elastic arm 33 are received in the same through hole 13, the second elastic arm 33 is disposed adjacent to the protruding portion 15 in the longitudinal direction, the protruding portion 15 is disposed at a spacing between the first arm 23 and the protruding portion 15 in the lateral direction.

As shown in fig. 15 to 17, the board-end connector 200 includes a second body 6 and a plurality of third terminals 7 disposed on the second body 6, and the third terminals 7 are electrically connected to a circuit board (not numbered). In this embodiment, the third terminal 7 is a power terminal for transmitting a large current. In other embodiments, only one of the third terminals 7 may be provided.

As shown in fig. 15 and 16, the second body 6 is made of an insulating material, the second body 6 is provided with a plurality of rows of second through holes 61 distributed in the transverse direction, each of the second through holes 61 penetrates the second body 6 in the front-rear direction, and the number of rows of the second through holes 61 and the number of the second through holes 61 arranged in each row correspond to the first through holes 13. The second body 6 is provided with a foolproof portion 62 protruding in the second through holes 61.

As shown in fig. 16 and 17, the third terminal 7 is formed by stamping a metal plate, the third terminal 7 includes a third body 71, a plurality of branches 72 integrally extending from one end of the third body 71, and a plurality of electrical connection portions 73 extending from the other end of the third body 71, each of the branches 72 is provided with a pair of abutting portions 721, in this embodiment, the third body 71 is arranged in a plate shape in the transverse direction, the number of the electrical connection portions 73 is equal to the number of the abutting portions 721, each of the branches 72 extends from one end of the third body 71 in the transverse direction, the branches 72 are L-shaped, the electrical connection portions 73 extend from the other end of the third body 71 in the transverse direction, the plurality of abutting portions 721 of each of the third terminals 7 are aligned in a row in the longitudinal direction, the plurality of electrical connection portions 73 are aligned in a row in the longitudinal direction, the plurality of electrical connection portions 721 are arranged in a plurality of rows in the transverse direction, and the plurality of electrical connection portions 721 are arranged in the transverse direction, and the plurality of rows of electrical connection portions 721 of the third terminals 7 are arranged in the front of the transverse direction. In other embodiments, only one of the electrical connectors 73 may be provided on the third terminal 7, or a plurality of the electrical connectors may be provided, but the number of the electrical connectors may be different from the number of the docking portions 721 according to the needs of the customer.

As shown in fig. 15, 16 and 17, in the present embodiment, the third terminals 7 are assembled to the second body 6 from front to back, the branches 72 of each third terminal 7 are plugged and fixed in a row of the second through holes 61 in a one-to-one correspondence manner, and each second through hole 61 accommodates only one of the abutting portions 721, and the third body is located outside (i.e. in front of) the second body 6.

As shown in fig. 2, 3 and 10, the wire end connector 100 is plugged forward to the board end connector 200, each of the columns 12 is plugged into one of the second through holes 61, the unfilled corner 14 is matched with the corresponding foolproof portion 62 to prevent the wire end connector 100 from being plugged backward to the board end connector 200, the abutting portion 721 is plugged into the corresponding first through hole 13, the abutting portions 721 of each of the third terminals 7 are plugged into the plugging portions S of each of the conductive assemblies M in a one-to-one correspondence manner, and the abutting portions 721 are clamped by the corresponding first spring arms 23 and the corresponding second spring arms 33 in the transverse direction to form an electrical connection.

The wire end connector and the connector combination have the following beneficial effects:

1) The length of the metal plate material used by the first connection part 22 of the first terminal 2 in the longitudinal direction is greater than that of the metal plate material used by the first connection part 23 in the longitudinal direction, the number of the first connection parts 23 is greater than that of the first connection parts 22, the length of the metal plate material used by the second connection part 32 of the second terminal 3 in the longitudinal direction is greater than that of the metal plate material used by the second connection part 33 in the longitudinal direction, the number of the second connection parts 33 is greater than that of the second connection parts 32, and the first connection parts 22 and the second connection parts 32 are alternately arranged in the same row by arranging the first connection parts 2 and the second connection parts 32 in the opposite direction, and each first connection part 23 and one second connection part 33 are oppositely arranged in the transverse direction to form a plug-in part S together, so that the conductive parts S on the same assembly are arranged in a dense manner under the condition of meeting the respective length requirements of the first connection parts 22 and the second connection parts 32.

2) The sum of the number of the first wiring parts 22 and the number of the second wiring parts 32 is the same as the number of the first spring arms 23, the sum of the number of the first wiring parts 22 and the number of the second wiring parts 32 is the same as the number of the second spring arms 33, the first wiring parts 22 and the second wiring parts 32 are arranged in the same row, and the sum of the number of the first wiring parts 22 and the number of the second wiring parts 32 is the same as the number of the inserting parts S formed by the first spring arms 23 and the second spring arms 33 and corresponds to each other one by one, so that the conductive assemblies M are densely arranged.

3) When the first connection portion 22 and the second connection portion 32 are punched, since the length of the first wing portion 222 and the length of the second wing portion 322 are both longer, the first connection portion 22 and the second connection portion 32 cannot be arranged on the same metal plate material on the premise of satisfying the densification of the plug-in connection portion S, the number of the first spring arms 23 is twice the number of the first connection portion 22, the number of the second spring arms 33 is twice the number of the second connection portion 32, and when the first connection portion 22 and the second connection portion 32 are arranged in the same row, the sum of the numbers of the first connection portion 22 and the second connection portion 32 is the same as the number of the plug-in connection portion S formed by the first spring arms 23 and the second spring arms 33 in a one-to-one correspondence, so that the conductive assemblies M are arranged densely.

4) The first bottom plate 221 and the second bottom plate 321 are arranged side by side along the longitudinal direction, the bending direction of the first wing portion 222 relative to the first bottom plate 221 is consistent with the bending direction of the second wing portion 322 relative to the second bottom plate 321, so that the first wiring portion 22 and the second wiring portion 32 can be arranged in the same row, and the occupied space of the conductive assembly M in the transverse direction is reduced.

5) The first spring arm 23 includes the straight portion 231 extending straight, the second spring arm 33 includes the bending portion 331, on one hand, it may be ensured that the plugging portion S formed between the first spring arm 23 and the second spring arm 33 is in firm contact with the abutting portion 721, and the abutting portion 721 is clamped to form a more stable electrical connection, on the other hand, the first terminal 2 may reduce the molding process steps compared with the scheme that the first spring arm 23 is also provided with the bending portion 331.

6) The width of the first spring arm 23 in the longitudinal direction is greater than the width of the second spring arm 33 in the longitudinal direction, so that the second spring arm 33 is easy to bend, and the second spring arm and the first spring arm 23 together form the plugging portion S.

7) The first body portion 21 is flat, the first contact portion 232 is disposed closer to the second contact portion 332 than the first body portion 21 in the lateral direction, and the first contact portion 232 and the second contact portion 332 form an inserting space S1, so that the inserting portion S has a larger clamping force, and the abutting portion 721 is clamped to form stable electrical connection.

8) The first body portion 21 and the second body portion 31 are both flat, which reduces the space occupied in the lateral direction, and is convenient for being mounted on the first body 1, and the first body portion 21 is welded to the second body portion 31, so that the first body portion 21 and the second body portion 31 are fixed more stably, and the first body portion 21 and the second body portion 31 are prevented from being displaced relatively.

9) The plugging portions S of the conductive component M are plugged into the first through holes 13 in the same row, so that each plugging portion S corresponds to only one first through hole 13, the conductive component M is plugged into the abutting portion 721 more stably, the branches 72 of the third terminal 7 correspond to one second through hole 61 and are fixed to each other, and the third terminal 7 in the second through hole 61 is in firm contact with the conductive component M.

10 The groove 16 accommodates the first body portion 21 and the second body portion 31, and the groove 16 limits the first body portion 21 and the second body portion 31 in the lateral direction.

11 The fastening portion 24 is accommodated in the fastening groove 17 to limit the conductive component M from being separated from the first body 1.

12 The groove 16 is disposed on the base 11 and penetrates the base 11 backward, and is disposed at a rear of a front end surface of the base 11, the first transverse bar 211 of the first main body 21 and the second transverse bar 311 of the second main body 31 are stacked in a transverse direction and limited by the groove 16 in the transverse direction, and the first branch 212 of the first main body 21 and the second branch 312 of the second main body 31 protrude forward into the corresponding column 12, so as to prevent the groove 16 from penetrating forward from the base 11 of the first main body 1 to the column 12, thereby avoiding excessively reducing the structural strength of the first main body 1.

13 The width of the first spring arm 23 in the longitudinal direction is greater than the width of the second spring arm 33 in the longitudinal direction, on the one hand, the second spring arm 33 is disposed adjacent to the convex portion 15 in the longitudinal direction, so that the width of the second spring arm 33 is reduced, and space is provided for giving way to the convex portion 15, on the other hand, the bending portion 331 is formed on the second spring arm 33.

14 The unfilled corner 14 of the column body 12 is matched with the fool-proof part 62 in the second through hole 61 to play a fool-proof role.

15 The third terminals 7 are integrally extended from one end of the third main body 71 to form a plurality of branches 72, so that when a large current is transmitted, the plurality of third terminals 7 are integrally formed with respect to a row of the plurality of third terminals 7 which are independently arranged, thereby increasing a heat dissipation area, rapidly dissipating heat generated when the third terminals 7 transmit the large current, simplifying an assembling process and assembling at one time.

16 The branch 72 is L-shaped, shortening the occupation space of the board-end connector 200 in the front-rear direction.

17 Compared with the blanking terminal, the third terminal 7 is formed by stamping a metal plate, and the number of the butt joint portions 721 of the third terminal 7 is equal to the number of the electric conduction portions 73, so that the assembling process is simplified and the large current can be transmitted.

The above detailed description is merely illustrative of the preferred embodiments of the utility model and is not intended to limit the scope of the utility model, so that all equivalent technical changes that can be made by the present specification and illustrations are included in the scope of the utility model.

Claims (20)

1. A wire end connector, comprising:

a first body;

at least one conductive component arranged on the first body, wherein the conductive component comprises a first terminal and a second terminal;

the first terminal is made of metal plates and is provided with a first main body part, at least one first wiring part formed by extending from one end of the first main body part and a plurality of first spring arms formed by extending from the other end of the first main body part, the plurality of first spring arms are distributed along the longitudinal direction, the material length of the metal plates of the first wiring part in the longitudinal direction is greater than that of the metal plates of the first spring arms in the longitudinal direction, and the number of the first spring arms is greater than that of the first wiring parts;

the second terminal is made of metal plates and is provided with a second main body part, at least one second wiring part and a plurality of second spring arms, wherein the second wiring part extends from one end of the second main body part, the second spring arms extend from the other end of the second main body part, the second spring arms are distributed along the longitudinal direction, the material consumption length of the metal plates of the second wiring part in the longitudinal direction is greater than that of the metal plates of the second spring arms in the longitudinal direction, and the number of the second spring arms is greater than that of the second wiring parts;

The first wiring parts and the second wiring parts are alternately arranged in the longitudinal direction to define a transverse direction, the first main body parts and the second main body parts are oppositely arranged in the transverse direction and are perpendicular to the longitudinal direction, each first elastic arm and one second elastic arm are oppositely arranged in the transverse direction, and the first elastic arms and the second elastic arms form an inserting part together;

at least one first cable, the first connection part is connected with the first cable;

the second wiring part is connected with the second cable.

2. The line end connector of claim 1, wherein: the sum of the number of the first wiring parts and the number of the second wiring parts is the same as the number of the first elastic arms, and the sum of the number of the first wiring parts and the number of the second wiring parts is the same as the number of the second elastic arms.

3. The line end connector of claim 1, wherein: the number of the first elastic arms is twice the number of the first wiring parts, and the number of the second elastic arms is twice the number of the second wiring parts.

4. A wire end connector according to claim 3, wherein: the first wiring part is provided with a first bottom plate and a first wing part formed by bending and extending from two longitudinal sides of the first bottom plate along one side of the transverse direction respectively, the first cable is placed on the first bottom plate and clamped by the two first wing parts, the total length of the wiring part which is unfolded along the longitudinal direction is larger than the distance between the outermost sides of the adjacent two first elastic arms, the second wiring part is provided with a second bottom plate and a second wing part formed by bending and extending from two longitudinal sides of the second bottom plate along one side of the transverse direction respectively, the second cable is placed on the second bottom plate and clamped by the two second wing parts, the total length of the second wiring part which is unfolded along the longitudinal direction is larger than the distance between the outermost sides of the adjacent two second elastic arms, the first bottom plate and the second bottom plate are arranged side by side along the longitudinal direction, and the direction of the first wing part relative to the first bottom plate is consistent with the bending direction of the second wing part relative to the second bottom plate.

5. The line end connector of claim 1, wherein: the second elastic arm is provided with a bending part connected with the second main body part, the bending part enables the second elastic arm to bend and extend in the transverse direction in the direction away from the first elastic arm, a front-back direction is defined, the front-back direction is perpendicular to the longitudinal direction and the transverse direction, the first elastic arm is provided with a straight part, and the straight part extends from the first main body part in the front-back direction.

6. The line end connector of claim 5, wherein: the width of the first spring arm in the longitudinal direction is larger than the width of the second spring arm in the longitudinal direction.

7. The line end connector of claim 5, wherein: the first elastic arm is provided with a first contact part facing the second elastic arm in the transverse direction, the second elastic arm is provided with a second contact part facing the first elastic arm in the transverse direction, the first contact part and the second contact part are aligned in the transverse direction and form an inserting space therebetween, the first main body part is in a flat plate shape, and the first contact part is closer to the second contact part in the transverse direction than the first main body part.

8. The line end connector of claim 1, wherein: the first main body part and the second main body part are both in a flat plate shape, and the first main body part is welded to the second main body part.

9. The line end connector of claim 1, wherein: the first body is provided with at least one row of first through holes, each row of first through holes is provided with a plurality of first through holes which are distributed along the longitudinal direction, and the plurality of plug-in parts of the conductive component are plugged in the different first through holes in the same row.

10. The line end connector of claim 9, wherein: in the same row of the first through holes, two adjacent first through holes are communicated through a groove, and the groove accommodates the first main body part and the second main body part.

11. The line end connector of claim 10, wherein: the first body is provided with a base and at least one row of columns formed by extending forwards from the base along the front-back direction, the front-back direction is perpendicular to the longitudinal direction and the transverse direction, each row of columns is provided with a plurality of columns distributed along the longitudinal direction, each column is provided with a first through hole, the first through hole penetrates forwards through the columns and backwards through the base, the groove is formed in the base and backwards through the base, the conductive component is assembled on the first body in a back-to-front mode, one of the first main body part and the second main body part is provided with at least one buckling part protruding outwards in the transverse direction, at least one buckling groove is formed in the first body, the buckling groove is concavely formed between two columns adjacent in the same row from the front surface of the base, the buckling groove is communicated with one of the grooves, the buckling part is accommodated in the buckling groove, and the conductive component is limited to be separated from the first body backwards.

12. The line end connector of claim 10, wherein: the first body is provided with a base and at least one row of columns formed by extending forwards from the base along the front-rear direction, the front-rear direction is perpendicular to the longitudinal direction and the transverse direction, each row of columns is provided with a plurality of columns which are arranged along the longitudinal direction, each column is provided with a first through hole, the first through hole penetrates the columns forwards and backwards, penetrates the base backwards, and the groove is formed in the base and penetrates the base backwards and is positioned behind the front end face of the base; the conductive component is assembled on the first body in a back-to-front mode, the first main body part comprises a first transverse bar and a plurality of first branch parts formed by extending from the first transverse bar, the plurality of first branch parts are arranged along the longitudinal direction, each first branch part is connected with one first elastic arm, and the first wiring part is connected with the first transverse bar; the second main body part comprises a second transverse bar and a plurality of second branch parts formed by extending from the second transverse bar, the second branch parts are distributed along the longitudinal direction, each second branch part is connected with one second elastic arm, and the second wiring part is connected with the second transverse bar; the first transverse bar and the second transverse bar are stacked in the transverse direction and limited by the grooves in the transverse direction, the first branch portions and the second branch portions are arranged in one-to-one correspondence in the transverse direction, and the first branch portions and the second branch portions protrude forwards and extend into the corresponding columns.

13. The line end connector of claim 9, wherein: the first body is provided with a convex part protruding towards one of the first through holes, the width of the first elastic arm in the longitudinal direction is larger than that of the second elastic arm in the longitudinal direction, the second elastic arm is arranged adjacent to the convex part in the longitudinal direction, the convex part is arranged in a abdicating mode, and the first elastic arm is arranged at intervals with the convex part in the transverse direction.

14. The line end connector of claim 13, wherein: the first body is provided with a base and a row of columns formed by extending the base forwards along the front-back direction, the front-back direction is perpendicular to the longitudinal direction and the transverse direction, each row of columns is provided with a plurality of columns distributed along the longitudinal direction, each column is provided with a first through hole, the first through holes penetrate the columns forwards and backwards, the base penetrates the protrusions, the columns are provided with unfilled corners, and the protrusions and the unfilled corners are opposite to the inner surface and the outer surface of the columns.

15. The line end connector of claim 1, wherein: the conductive component is a power terminal.

16. A connector assembly, comprising:

the line end connector of any one of claims 1-15;

and the board end connector is in butt joint with the line end connector.

17. The connector assembly of claim 16, wherein: the board end connector comprises a second body and at least one third terminal arranged on the second body, wherein the third terminal comprises a third main body part, a plurality of branches integrally extending from one end of the third main body part and at least one electric guide connection part extending from the other end of the third main body part, each branch is provided with a butt joint part, the butt joint parts of each third terminal are in one-to-one corresponding connection with the plug-in parts of each conductive component, and the butt joint parts are clamped by the corresponding first elastic arms and the corresponding second elastic arms in the transverse direction to form electric connection.

18. The connector assembly of claim 17, wherein: the second body is provided with at least one row of second through holes, each row of second through holes are distributed along the longitudinal direction and are arranged at intervals, the branches of the third terminal are in one-to-one correspondence with one row of second through holes to be inserted and fixed with each other, and the butt joint part is accommodated in one second through hole.

19. The connector assembly of claim 17, wherein: the third main body part is located outside the second main body part and is arranged in a platy mode along the transverse direction, the branch extends from one end of the third main body part in the transverse direction to form, the branch is L-shaped, and the electric conduction part extends from the other end of the third main body part in the transverse direction to form along the transverse direction.

20. The connector assembly of claim 17, wherein: the third terminals are formed by stamping metal plates, and the number of the butt joint parts of the third terminals is equal to that of the electric conduction parts.

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