TWI809976B - Wire-end connectors, board-end connectors and combinations thereof - Google Patents

Abstract

A combination of a wire end connector and a board end connector, including a wire end connector and a board end connector. The wire end connector includes a shell, a first contact piece, a second contact piece, two wires and a first locking structure. The board end connector is used for butting with the line end connector, and the board end connector includes a circuit board, a third contact piece, a fourth contact piece and a second locking structure. According to the present invention, the first contact piece and the second contact piece arranged obliquely, and the third contact piece and the fourth contact piece arranged obliquely can reduce the size of the wire terminal connector and the board terminal. The lateral width dimension of the connector can also reserve a design space for the first locking structure and the second locking structure, so as to effectively utilize the space of the wire end connector and the board end connector.

Description

Wire-end connectors, board-end connectors and combinations thereof

The present invention relates to a wire end connector, in particular to a wire end connector, a board end connector and a combination thereof.

Chinese Invention Patent Publication No. CN103872484B discloses an electrical connector assembly, in which the first contact portion of the long terminal and the first contact portion of the short terminal are inserted into the elastic body of the corresponding first receiving terminal received in the first mounting connector. inside the cylindrical part. When further inserted, the first contact portion of the long terminal and the first contact portion of the short terminal respectively descend to predetermined positions while elastically expanding the diameter of the annular constricted portion of the corresponding elastic cylindrical member. Each elastic cylindrical member elastically expanded in diameter is in elastic contact with the first contact portion and the outer peripheral surface of the first contact portion, and the elastic contact pressure against the inner peripheral surface of the receiving hole of the first receiving terminal is increased. Afterwards, the intermediate connector is fixed on the first circuit substrate by screws. When it is intended to detach the intermediate connector from the first circuit board, the intermediate connector is lifted upward after the above-mentioned screws are removed. Wherein, the contact portions of the terminals are arranged laterally, and the lateral width of the connector designed based on this arrangement will be limited by the combined width of the two contact portions, making it difficult to reduce.

Therefore, an object of the present invention is to provide a wire end connector, a board end connector and a combination thereof that can improve at least one of the disadvantages of the prior art.

Therefore, in some embodiments of the present invention, the wire end connector includes a shell, a first contact piece, a second contact piece, two wires, a first locking structure, and a plane portion. The shell has a pair of joint surfaces at the bottom, a front end surface and a rear end surface opposite to each other, and a first side surface and a second side surface opposite to each other, the front end surface, the rear end surface, the first side surface and the second side surface Two side surfaces are formed by extending from respective side edges of the abutment surface, and the shell has a recessed portion adjacent to the front end surface or the rear end surface. The first contact piece is arranged in the shell, and the first contact piece includes a first butt joint portion arranged in the shell and extending toward the butt joint surface, and a first connection portion connected to the first butt joint portion. The second contact piece is arranged in the shell, and the second contact piece includes a second butt joint portion disposed in the shell and extending toward the butt joint surface, and a second connection portion connected to the second butt joint portion. The two wires penetrate into the housing and are electrically connected to the first connection part and the second connection part respectively. The first locking structure is disposed on the housing, and the first locking structure is at least partly located in the recessed portion, so that the first locking structure is arranged in a triangle with the first contact piece and the second contact piece. The planar portion is located on the mating surface and away from the recessed portion, the planar portion is adjacent to the first mating portion of the first contact and adjacent to the second mating portion of the second contact, and the planar portion is adjacent to the first mating portion of the first contact. The docking portion and the second docking portion are arranged in a triangle.

In some embodiments, the concave portion is adjacent to the corner of the front face and the second side, the first contact is adjacent to the corner of the front face and the first side, and the second contact is adjacent to At the corner of the rear end surface and the second side, the plane portion is adjacent to the corner of the rear end surface and the first side.

In some embodiments, the housing is formed by overmolding.

In some embodiments, the housing includes a shell and a cover that are combined with each other.

In some embodiments, the housing has two through grooves for accommodating the first contact piece and the second contact piece respectively, each through groove is provided with a retaining edge at the bottom and adjacent to the mating surface, and from the top The elastic stop arm extending into the through groove, the retaining edges of the two through grooves are respectively used to stop a bottom edge of the first contact piece and a bottom edge of the second contact piece, the elasticity of the two through grooves The stop arms are respectively used to stop an upper stop surface of the first contact member and an upper stop surface of the second contact member.

In some implementations, the first docking portion includes a barrel, and a cage-shaped contact body disposed in the barrel, and the second docking portion includes a barrel, and a cage-shaped contact body disposed in the barrel contact body.

In some implementation aspects, the cage-shaped contact bodies of the first docking portion and the second docking portion each have an annular head and elastic contact pieces extending from the annular head.

In some embodiments, the first locking structure has a cantilever extending downward, and a first buckling unit disposed on the cantilever.

In some implementation aspects, the first locking structure has an opening extending through it up and down.

In some implementation aspects, the first locking structure has an opening vertically passing through, and a screw rotatably passing through the opening.

In some implementation aspects, the projections of the first contact piece and the second contact piece on the front surface partially overlap with each other.

In some implementation aspects, projections of the first contact and the second contact on the first side partially overlap with each other.

In some embodiments, the two wires extend from the rear end surface into the housing and are respectively electrically connected to the first connecting portion and the second connecting portion.

In some implementation aspects, the housing also has an upper end surface spaced opposite to the docking surface, and the two wires penetrate into the housing from the upper end surface and are electrically connected to the first connecting part and the second connecting part respectively. sexual connection.

In some embodiments, the first connecting portion and the second connecting portion are plate-shaped, and the two wires are respectively electrically connected to opposite sides of the first connecting portion and the second connecting portion.

Therefore, in some embodiments of the present invention, the board end connector includes a circuit board, a third contact element, a fourth contact element and a second locking structure. The circuit board has a rectangular area, a first corner and a second corner located diagonally opposite to each other in the rectangular area, and a third corner in the rectangular area. The third contact member is disposed at the first corner, and includes a third connecting portion electrically connected to the circuit board, and a third butting portion formed by extending upward from the third connecting portion. The fourth contact is arranged at the second corner and arranged obliquely with the third contact, and includes a fourth connecting portion electrically connected to the circuit board, and is formed by extending upward from the fourth connecting portion. A fourth docking portion. The second locking structure is located at the third corner.

In some embodiments, the second locking structure includes a base extending upward and a second buckling unit disposed on the base.

In some embodiments, the second locking structure includes a base portion extending upward and a screw hole disposed on the base portion.

In some embodiments, the board end connector further includes a rectangular seat disposed on the circuit board, the seat has the first corner and the second corner respectively formed vertically and vertically through the corresponding circuit board. Two through holes at the corners, the third butt joint portion and the fourth butt joint portion respectively extend upwards from the two through holes, the second locking structure is integrally formed from the base body, the base body and the circuit board are locked to each other by at least one locking screw.

In some implementation aspects, the third contact piece also has an interference rib for interfering with the corresponding inner wall surface of the through hole, and the fourth contact piece also has an interference rib for interfering with the corresponding inner wall surface of the through hole. interference ribs.

In some embodiments, the third contact also has an elevated protrusion for stopping on the top surface of the circuit board to elevate the space for filling tin, and the fourth contact also has an elevating protrusion for stopping The raised convex part is blocked on the top surface of the circuit board to raise the space used for filling tin.

In some implementation aspects, the third abutting portion and the fourth abutting portion are cylindrical.

Therefore, in some embodiments, the combination of the wire end connector and the board end connector of the present invention includes a wire end connector and a board end connector. The wire end connector includes a shell, a first contact piece, a second contact piece, two wires, a first locking structure, and a plane part. The shell has a pair of joint surfaces at the bottom, a front end surface and a rear end surface opposite to each other, and a first side surface and a second side surface opposite to each other, the front end surface, the rear end surface, the first side surface and the second side surface Two side surfaces are formed by extending from respective side edges of the abutment surface, and the shell has a recessed portion adjacent to the front end surface or the rear end surface. The first contact piece is arranged in the shell, and the first contact piece includes a first butt joint portion arranged in the shell and extending toward the butt joint surface, and a first connection portion connected to the first butt joint portion. The second contact piece is arranged in the shell, and the second contact piece includes a second butt joint portion disposed in the shell and extending toward the butt joint surface, and a second connection portion connected to the second butt joint portion. The two wires penetrate into the housing and are electrically connected to the first connection part and the second connection part respectively. The first locking structure is disposed on the housing, and the first locking structure is at least partly located in the recessed portion, so that the first locking structure is arranged in a triangle with the first contact piece and the second contact piece. The planar portion is located on the mating surface and away from the recessed portion, the planar portion is adjacent to the first mating portion of the first contact and adjacent to the second mating portion of the second contact, and the planar portion is adjacent to the first mating portion of the first contact. The docking portion and the second docking portion are arranged in a triangle. The board end connector is used for butting with the line end connector, and the board end connector includes a circuit board, a third contact piece, a fourth contact piece and a second locking structure. The third contact member includes a third connecting portion electrically connected to the circuit board, and a third abutting portion extending upward from the third connecting portion and used for abutting with the first abutting portion. The fourth contact member includes a fourth connecting portion electrically connected to the circuit board, and a fourth connecting portion extending upward from the fourth connecting portion and used for connecting with the second connecting portion. The second locking structure is disposed on the circuit board, and the second locking structure is used for interlocking with the first locking structure.

In some embodiments, the concave portion is adjacent to the corner of the front face and the second side, the first contact is adjacent to the corner of the front face and the first side, and the second contact is adjacent to At the corner of the rear end surface and the second side, the plane portion is adjacent to the corner of the rear end surface and the first side.

In some embodiments, the housing is formed by overmolding.

In some embodiments, the housing includes a shell and a cover that are combined with each other.

In some embodiments, the housing has two through grooves for accommodating the first contact piece and the second contact piece respectively, each through groove is provided with a retaining edge at the bottom and adjacent to the mating surface, and from the top The elastic stop arm extending into the through groove, the retaining edges of the two through grooves are respectively used to stop a bottom edge of the first contact piece and a bottom edge of the second contact piece, the elasticity of the two through grooves The stop arms are respectively used to stop an upper stop surface of the first contact member and an upper stop surface of the second contact member.

In some implementations, the first docking portion includes a barrel, and a cage-shaped contact body disposed in the barrel, and the second docking portion includes a barrel, and a cage-shaped contact body disposed in the barrel Contact body; the third docking portion and the fourth docking portion are cylindrical and are respectively used to electrically connect with the cage-shaped contact body of the first docking portion and the cage-shaped contact body of the second docking portion.

In some implementation aspects, the cage-shaped contact bodies of the first docking portion and the second docking portion each have an annular head and elastic contact pieces extending from the annular head.

In some embodiments, the first locking structure has a cantilever extending downward, and a first buckling unit disposed on the cantilever; the second locking structure includes a base extending upward and disposed on the cantilever. The base is also used for a second fastening unit fastened with the first fastening unit.

In some implementations, the second locking structure includes a base extending upwards and a screw hole disposed on the base, the first locking structure has an opening that penetrates up and down, and is rotatably penetrated. a screw in the opening and screwed in the screw hole.

In some implementations, the board end connector further includes a seat body disposed on the circuit board, the seat body has two through holes that pass through up and down respectively, and the third docking portion and the fourth docking portion face upwards respectively. Extending from the two through holes, the second locking structure is integrally formed from the base.

In some implementation aspects, the third contact piece also has an interference rib for interfering with the corresponding inner wall surface of the through hole, and the fourth contact piece also has an interference rib for interfering with the corresponding inner wall surface of the through hole. interference ribs.

In some embodiments, the third contact also has an elevated protrusion for stopping on the top surface of the circuit board to elevate the space for filling tin, and the fourth contact also has an elevating protrusion for stopping The raised convex part is blocked on the top surface of the circuit board to raise the space used for filling tin.

In some implementation aspects, the projections of the first contact piece and the second contact piece on the front surface partially overlap with each other.

In some implementation aspects, projections of the first contact and the second contact on the first side partially overlap with each other.

In some embodiments, the two wires extend from the rear end surface into the housing and are respectively electrically connected to the first connecting portion and the second connecting portion.

In some embodiments, the first connecting portion and the second connecting portion are plate-shaped, and the two wires are respectively electrically connected to opposite sides of the first connecting portion and the second connecting portion.

In some implementation aspects, the housing also has an upper end surface spaced opposite to the docking surface, and the two wires penetrate into the housing from the upper end surface and are electrically connected to the first connecting part and the second connecting part respectively. sexual connection.

In some embodiments, the wire end connector also has an abutting rib disposed in the recess of the shell, the abutting rib can be abutted by the first locking structure, and the second locking structure of the board end connector The locking structure includes an avoiding groove corresponding to the abutting rib, and the avoiding groove is used for avoiding the abutting rib when the first locking structure and the second locking structure are locked with each other.

According to the present invention, the first contact piece and the second contact piece arranged obliquely and in a triangular arrangement with the first locking structure, and the third contact piece and the fourth contact piece arranged obliquely, The lateral width dimension of the line end connector and the board end connector can be reduced, and design space can be reserved for the first locking structure and the second locking structure, and then the line end connector The space with the board end connector is effectively utilized, and at the same time, the size of the first locking structure and the second locking structure can be designed larger to increase their structural strength.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same numerals.

Referring to FIG. 1 to FIG. 4 , a first embodiment of a combination of a cable end connector 1 and a board end connector 2 according to the present invention includes a cable end connector 1 and a board end connector 2 .

Referring to FIG. 2 and FIG. 4 to FIG. 6 , the wire end connector 1 includes a housing 11 , a first contact piece 12 , a second contact piece 13 , two wires 14 , and a first locking structure 15 .

The casing 11 is made of insulating material and has a pair of abutting surfaces 111 and an upper end surface 112 opposite to each other at intervals along a vertical direction D1 (the direction indicated by the arrow is upward, and the opposite direction is downward), and along a front-rear direction D2. (The direction indicated by the arrow is the front, and the reverse is the rear) a front end surface 113 and a rear end surface 114 opposite to each other, and a first side opposite to each other along a left-right direction D3 (the direction indicated by the arrow is right, and the reverse is left). A side 115 and a second side 116 . The front end surface 113 , the rear end surface 114 , the first side surface 115 and the second side surface 116 are formed extending from respective side edges of the mating surface 111 along the vertical direction D1 . In the first embodiment, the housing 11 includes a shell 117 and a cover 118 that are combined with each other along the up-down direction D1. For example, the shell 117 has two fastening holes 117a, and the cover 118 There are two fastening elastic arms 118a that are correspondingly fastened to the two fastening holes 117a.

Referring to FIG. 3 and FIG. 5 to FIG. 8, the first contact member 12 is arranged in the housing 11 extending along the up-down direction D1 and adjacent to the corner of the front end surface 113 and the first side surface 115, the first contact The component 12 includes a first abutting portion 121 disposed in the housing 11 and extending toward the abutting surface 111 , and a first connecting portion 122 disposed in the housing 11 and connected to the first abutting portion 121 . The second contact piece 13 is disposed inside the casing 11 extending along the up-down direction D1 and is adjacent to the corner of the rear end surface 114 and the second side surface 116 and obliquely arranged with the first contact piece 12 . The two contacts 13 include a second abutting portion 131 disposed in the housing 11 and extending toward the abutting surface 111 , and a second connecting portion 132 in the housing 11 connected to the second abutting portion 131 . In this first embodiment, the projections of the first contact piece 12 and the second contact piece 13 on the front surface 113 partially overlap with each other, and the first contact piece 12 and the second contact piece 13 overlap each other on the first contact piece 13 The projections on one side 115 also partly overlap each other.

In detail, the first docking portion 121 includes a barrel body 121a, and a cage-shaped contact body 121d disposed in the barrel body 121a, the barrel body 121a includes a tubular member 121b located below, and a cage-shaped contact body 121d disposed in the tubular body 121a. The top of the member 121b and a cover member 121c sandwiching the cage-shaped contact body 121d together. The annular head portion 121e extends downward toward the plurality of elastic contact pieces 121f formed on the mating surface 111. In addition, the first connecting portion 122 is plate-shaped and is formed from the top surface of the cover-shaped member 121c of the first mating portion 121. formed integrally extending upward. The second docking portion 131 includes a barrel body 131a, and a cage-shaped contact body 131d disposed in the barrel body 131a, the barrel body 131a includes a tubular member 131b located below, and is disposed on the top of the tubular member 131b And a cover-shaped member 131c of the cage-shaped contact body 131d is clamped together, and the cage-shaped contact body 131d has an annular head 131e sandwiched by the tubular member 131b and the cover-shaped member 131c together and from the annular head. 131e extends downward toward the multiple elastic contact pieces 131f formed on the mating surface 111. In addition, the second connecting portion 132 is plate-shaped and integrally faces upward from the top surface of the cover-shaped member 131c of the second mating portion 131. extension formed.

The housing 117 has two through grooves 117b extending to the mating surface 111 along the up-down direction D1 and respectively accommodating the first contact piece 12 and the second contact piece 13. Each through groove 117b is provided at the bottom and The blocking edge 117c adjacent to the mating surface 111 and the elastic blocking arm 117d protruding from the top into the through groove 117b. The retaining edge 117c of the two-way groove 117b is respectively used to stop a bottom edge 121g of the barrel body 121a of the first contact piece 12 and a bottom edge 131g of the barrel body 131a of the second contact piece 13. The elastic stop arm 117d of 117b is respectively used to stop an upper stop surface 121h of the barrel body 121a of the first contact member 12 and an upper stop surface 131h of the barrel body 131a of the second contact member 13 .

The two wires 14 respectively pass through the two through holes 117e on the rear end surface 114 of the housing 117 of the housing 11 to the two through grooves 117b of the housing 11, and are connected to the first connecting portion 122 and the first connecting portion 122 respectively. The second connecting portion 132 is electrically connected. Specifically, the two wires 14 are respectively electrically connected to opposite side surfaces of the plate-shaped first connecting portion 122 and the plate-shaped second connecting portion 132 . It should be noted that, in the first embodiment, each wire 14 is composed of two wire bodies 141, however, the number of wire bodies 141 in each wire 14 can be adjusted according to requirements, and the wire 14 can be Only one thicker wire 141 may be used, or more than three thinner wires 141 may be used to make the wire 14 more flexible as a whole, which is not limited by the first embodiment.

The first locking structure 15 is disposed on the housing 11 and is located adjacent to the corner of the front surface 113 and the second side 116 , and the housing 11 has a corner adjacent to the front surface 113 and the second side 116 A recessed portion 119, the first locking structure 15 is integrally formed from the housing 11 and is located in the recessed portion 119, so that the first locking structure 15 is connected with the first contact member 12, the second contact member 13 are arranged in a triangle. It should be noted that, in other embodiments, the first locking structure 15 may also be at least partially located in the recessed portion 119 . In addition, the mating surface 111 of the cable end connector 1 is configured with a planar portion 111a adjacent to the corner of the rear end surface 114 and the first side 115, and the planar portion 111a is located in the recess away from the recessed portion 119. The opposite side of the portion 119, the planar portion 111a is adjacent to the first abutting portion 121 of the first contact 12 and adjacent to the second abutting portion 131 of the second contact 13, and is also connected to the first contact 12, The second contacts 13 are arranged in a triangle. The planar portion 111 a can lean against the board connector 2 , so that the relative positions of the wire connector 1 and the board connector 2 are more stable and not easily shaken when mated.

Referring to Fig. 2, Fig. 4 to Fig. 6 and Fig. 9, the board end connector 2 is used for docking with the line end connector 1 along the up and down direction D1, and the board end connector 2 includes a circuit board 21, a first Three contact pieces 22 , a fourth contact piece 23 , a base 24 , and a second locking structure 25 .

The circuit board 21 has a rectangular area 211 facing upwards, a first corner 211a and a second corner 211b located diagonally opposite to each other in the rectangular area 211, and a third corner in the rectangular area 211 211c. It should be noted that although in the first embodiment, the circuit board 21 is rectangular and the entire circuit board 21 is located in the rectangular area 211, in other implementations, the circuit board 21 may also be in the shape of a rectangle. Other shapes, and the rectangular area 211 may only be a part of the circuit board 21 .

The third contact 22 is disposed at the first corner 211a extending along the up-down direction D1, and includes a third connection portion 221 electrically connected to the circuit board 21, and extends upward from the third connection portion 221. A third abutting portion 222 is formed and used to abut with the first abutting portion 121 . The fourth contact member 23 is disposed at the second corner 211b extending along the up-down direction D1 and arranged obliquely with the third contact member 22 , and includes a fourth connection portion 231 electrically connected to the circuit board 21 , and a fourth abutting portion 232 formed by extending upward from the fourth connecting portion 231 and used for abutting with the second abutting portion 131 . In detail, the third mating portion 222 and the fourth mating portion 232 are cylindrical and are respectively used for inserting into the two through grooves 117b of the housing 11 of the cable end connector 1 from the mating surface 111, so as to be respectively connected to the first mating surface 111. The elastic contact piece 121f of the cage-shaped contact body 121d of the pair of mating portion 121 is electrically connected to the elastic contact piece 131f of the cage-shaped contact body 131d of the second mating portion 131 .

The seat body 24 is rectangular and is arranged on the rectangular area 211 of the circuit board 21. The seat body 24 has vertically penetratingly formed at the first corner 211a and the second corner 211b corresponding to the circuit board 21. The two through holes 241 , the third abutting portion 222 and the fourth abutting portion 232 respectively extend upwards out of the two through holes 241 . In detail, the base body 24 and the circuit board 21 are locked to each other by two locking screws 26 . Referring to FIG. 6 and FIG. 10 , in this embodiment, the third connecting portion 221 and the fourth connecting portion 231 are a solder leg, which penetrates and is soldered to the soldering hole 210 of the circuit board 21. The third contact piece 22 and the fourth contact member 23 respectively have a stop portion 225 and a stop portion 235 for stopping on the top surface of the base body 24 . In addition, it should be noted that, in the first embodiment, the third contact member 22 also has a plurality of interference protrusions adjacent to the third connecting portion 221 and used to interfere with the inner wall surface of the corresponding through hole 241. Rib 223, and adjacent to the third connecting portion 221 and used to stop on the top surface of the circuit board 21 so as to raise a plurality of elevated protrusions 224 out of the space used for filling tin; the fourth contact 23 also has A plurality of interfering ribs 233 adjacent to the fourth connecting portion 231 and used to interfere with the inner wall of the corresponding through hole 241 , and adjacent to the fourth connecting portion 231 and used to stop on the top of the circuit board 21 The surface is raised with a plurality of raised protrusions 234 that are higher than the space for tin filling. It should be noted that the function of the elevated protrusion 224 and the elevated protrusion 234 is to elevate the space used for tin filling to increase the welding strength. In other embodiments, the elevated protrusion 224 and the elevated The raised portion 234 can also be omitted.

Referring to FIG. 2, FIG. 4 to FIG. 6 and FIG. 11, the second locking structure 25 is located at the third corner 211c and extends upward. In the first embodiment, it is integrally constructed from the base body 24 form. The second locking structure 25 is used for interlocking with the first locking structure 15, the first locking structure 15 has a cantilever 151 extending downward, and a first first locking structure disposed at the bottom of the cantilever 151. Buckling unit 152; the second locking structure 25 includes a base 251 extending upward from the seat body 24 and a first fastening unit 152 disposed on the top of the base 251 for buckling with the first buckling unit 152 Two fastening units 252 . The first fastening unit 152 can be, for example, a concave part, and the second fastening unit 252 can be, for example, a convex part that cooperates with the concave part, but vice versa. limit.

As far as the wire end connector 1 and the board end connector 2 are concerned, the obliquely arranged first contact piece 12 and the second contact piece 13, as well as the obliquely arranged third contact piece 22 and the fourth contact 23 can reduce the width dimension of the line end connector 1 and the board end connector 2 in the transverse direction (the front and rear direction D2 and the left and right direction D3), and can also be the first The locking structure 15 and the second locking structure 25 reserve a design space, thereby effectively utilizing the space between the line end connector 1 and the board end connector 2, and simultaneously making the first locking structure 15 and the first locking structure 15 The size of the second locking structure 25 can adopt a larger design to increase its structural strength.

Referring to FIG. 12 , the second embodiment of the combination of the wire end connector 1 and the board end connector 2 of the present invention differs from the first embodiment in that the base 251 of the second locking structure 25 is directly set At the third corner 211c of the circuit board 21 , the base 251 of the second locking structure 25 is, for example but not limited to, disposed on the circuit board 21 by assembly. In this second embodiment, the base body 24 and the interference rib 223 of the third contact piece 22 and the interference rib 233 of the fourth contact piece 23 matched with the base body 24 are cancelled, and the elevated The protruding portion 224 and the elevating protruding portion 234 are respectively formed on bottoms of the stopper portion 225 and the stopper portion 235 . In addition, it should be noted that, in a modified embodiment of the second embodiment, the elevating protrusion 224 and the elevating protrusion 234 can be eliminated, and at this time, the stopper 225 and the stopper 235 stop Block on the top surface of the circuit board 21 .

Referring to Fig. 13 and Fig. 14, the third embodiment of the combination of the wire end connector 1 and the board end connector 2 of the present invention differs from the second embodiment in that the housing 11 is molded by coating (Over -molding) integrally formed. The second locking structure 25 includes the base 251 which is inserted into the circuit board 21 and extends upward, and a screw hole 253 provided on the top of the base 251. The first locking structure 15 has a vertically penetrating An opening 153 , the opening 153 and the screw hole 253 are used for locking and fixing with a screw 154 (not shown), so that the first locking structure 15 and the second locking structure 25 are interlocked.

Referring to Fig. 15, the fourth embodiment of the combination of the wire end connector 1 and the board end connector 2 of the present invention is different from the third embodiment in that the first locking structure 15 also has a rotatable through-hole A screw 154 is disposed in the opening 153 and used for screwing in the screw hole 253 . In this way, the screw 154 can be prevented from being lost and the convenience of locking the buckle can be increased.

Referring to Fig. 16 and Fig. 17, the fifth embodiment of the combination of the wire end connector 1 and the board end connector 2 of the present invention is different from the first embodiment in that the two wires 14 are respectively connected from the housing 11 The two wire holes 118b of the cover body 118 on the upper end surface 112 penetrate into the two through grooves 117b of the housing 11, and are electrically connected to the first connecting portion 122 and the second connecting portion 132 respectively. .

18 to 20, the sixth embodiment of the combination of the cable end connector 1 and the board end connector 2 of the present invention differs from the first embodiment in that the base body 24 and its through holes 241, The heights of the third contact 22 and the fourth contact 23 in the vertical direction D1 are relatively high.

Referring to Fig. 21 to Fig. 24, the seventh embodiment of the combination of the line end connector 1 and the board end connector 2 of the present invention differs from the first embodiment in that the line end connector 1 also has a An abutting rib 16 located in the recess 119 of the housing 11 and behind the cantilever 151 of the first locking structure 15 , the abutting rib 16 can be displaced backward at the lower section of the cantilever 151 of the first locking structure 15 (see FIG. 23 ) for the lower section of the cantilever 151 of the first locking structure 15 to lean against, so as to avoid damage to the first locking structure 15 due to excessive deformation. The second locking structure 25 of the board end connector 2 also includes an avoidance groove 254 formed on the base 251 and corresponding to the abutting rib 16 , the avoidance groove 254 is used for connecting the first locking structure 15 and the first locking structure 15 . The second locking structure 25 avoids the abutting rib 16 when locking with each other.

In summary, the present invention adopts the first contact piece 12 and the second contact piece 13 arranged obliquely and in a triangular arrangement with the first locking structure 15, and the third contact piece arranged obliquely. The piece 22 and the fourth contact piece 23 can reduce the width dimension of the wire end connector 1 and the board end connector 2 in the transverse direction, and can also provide the first locking structure 15 and the second locking structure The structure 25 reserves a design space, and then effectively utilizes the space of the line end connector 1 and the board end connector 2, and also enables the size of the first locking structure 15 and the second locking structure 25 to adopt Larger design to increase its structural strength.

But what is described above is only an embodiment of the present invention, and should not limit the scope of the present invention. All simple equivalent changes and modifications made according to the patent scope of the present invention and the content of the patent specification are still within the scope of the present invention. Within the scope covered by the patent of the present invention.

1: Wire end connector 11: Shell 111: Docking surface 111a: plane part 112: Upper end face 113: front face 114: Rear end face 115: first side 116: second side 117: shell 117a: button hole 117b: through slot 117c: retaining edge 117d: elastic stop arm 117e: Cable hole 118: cover body 118a: buckle elastic arm 118b: Cable hole 119: concave part 12: The first contact piece 121: The first docking part 121a: Barrel body 121b: Tubular member 121c: cover member 121d: cage contact body 121e: ring head 121f: elastic contact piece 121g: bottom edge 121h: Upper face 122: The first connecting part 13: Second contact piece 131: the second docking part 131a: Barrel body 131b: Tubular member 131c: cover member 131d: cage contact body 131e: ring head 131f: elastic contact piece 131g: bottom edge 131h: Upper face 132: the second connection part 14: wire 141: line body 15: The first locking structure 151: cantilever 152: the first fastening unit 153: opening 154: screw 16: by the rib 2: Board end connector 21: Circuit board 210: welding hole 211: rectangular area 211a: first corner 211b: second corner 211c: third corner 22: The third contact piece 221: The third connecting part 222: The third docking part 223: interference convex rib 224: Elevated convex part 225: stop part 23: The fourth contact piece 231: The fourth connecting part 232: The fourth docking part 233: interference convex rib 234: Elevated convex part 235: stop part 24: seat body 241: through hole 25: Second locking structure 251: base 252: The second fastening unit 253: screw hole 254: Avoidance slot 26: Locking screw D1: up and down direction D2: Front and rear direction D3: left and right directions

Other features and effects of the present invention will be clearly presented in the implementation manner with reference to the drawings, wherein: FIG. 1 is a perspective view of a first embodiment of a combination of a wire end connector and a board end connector according to the present invention. Fig. 2 is a three-dimensional exploded view of the first embodiment; FIG. 3 and FIG. 4 are two perspective exploded views of the first embodiment in FIG. 2 viewed from other viewing angles; Fig. 4 is a three-dimensional exploded view viewed from another angle of view of the first embodiment in Fig. 2; Fig. 5 is a further perspective exploded view of the first embodiment; Fig. 6 is a three-dimensional exploded view of the first embodiment in Fig. 5 viewed from another viewing angle; Fig. 7 is a top view of the wire-end connector of the first embodiment, in which the wires of the wire-end connector and the cover of the housing are omitted; Fig. 8 is a sectional view taken along line A-A in Fig. 7; Fig. 9 is a top view of the board end connector of the first embodiment; Fig. 10 is a perspective view of a third contact piece of the board end connector of the first embodiment; Fig. 11 is a sectional view of the first embodiment; 12 is a perspective view of a board end connector according to a second embodiment of the present invention; Fig. 13 is a three-dimensional exploded view of a third embodiment of the present invention; Fig. 14 is a three-dimensional exploded view of the third embodiment in Fig. 13 viewed from another viewing angle; Fig. 15 is a three-dimensional exploded view of a fourth embodiment of the present invention; Fig. 16 is a perspective view of a wire-end connector according to a fifth embodiment of the present invention; Fig. 17 is a three-dimensional exploded view of the wire-end connector of the fifth embodiment; Fig. 18 is a perspective view of a board end connector according to a sixth embodiment of the present invention; Fig. 19 is a three-dimensional exploded view of the board end connector of the sixth embodiment; FIG. 20 is an exploded perspective view of the sixth embodiment in FIG. 19 viewed from another viewing angle. Fig. 21 is a three-dimensional exploded view of a seventh embodiment of the present invention; Fig. 22 is a three-dimensional exploded view of the seventh embodiment in Fig. 21 viewed from another viewing angle; Fig. 23 is a schematic side view of the line end connector of the seventh embodiment; and FIG. 24 is a cross-sectional view of the seventh embodiment, in which the wire end connector and the board end connector of the seventh embodiment are butted with each other.

1: Wire end connector

11: shell

111: Docking surface

112: Upper end face

113: front face

114: Rear end face

115: first side

116: second side

117: shell

117a: button hole

117b: through slot

117d: elastic stop arm

117e: Cable hole

118: cover body

118a: buckle elastic arm

119: concave part

12: The first contact piece

121: The first docking part

121a: Barrel body

121b: Tubular member

121c: cover member

121d: cage contact body

121e: ring head

121f: elastic contact piece

121g: bottom edge

121h: Upper face

122: The first connecting part

13: Second contact piece

131: the second docking part

131a: Barrel body

131b: Tubular member

131c: cover member

131d: cage contact body

131e: ring head

131f: elastic contact piece

131g: bottom edge

131h: Upper face

132: the second connection part

14: wire

141: line body

15: The first locking structure

151: cantilever

2: Board end connector

21: Circuit board

210: welding hole

211: rectangular area

211a: first corner

211b: second corner

211c: third corner

22: The third contact piece

221: The third connecting part

222: The third docking part

225: stop part

23: The fourth contact piece

231: The fourth connecting part

232: The fourth docking part

235: stop part

24: seat body

241: through hole

25: Second locking structure

251: base

252: The second fastening unit

26: Locking screw

D1: up and down direction

D2: Front and rear directions

D3: left and right directions

Claims (40)

A line end connector comprising: A casing has a pair of joint surfaces at the bottom, a front end surface and a rear end surface opposite to each other, and a first side surface and a second side surface opposite to each other, the front end surface, the rear end surface, the first side surface and the first side surface The second side is formed by extending from each side edge of the abutting surface, and the shell has a concave portion adjacent to the front end surface or the rear end surface; A first contact piece is arranged in the shell, and the first contact piece includes a first butt joint portion arranged in the shell and extending toward the butt joint surface, and a first connection portion connected to the first butt joint portion ; A second contact piece is arranged in the shell, and the second contact piece includes a second butt joint part arranged in the shell and extending toward the butt joint surface, and a second connection part connected to the second butt joint part ; two wires, extending into the shell and electrically connected to the first connecting part and the second connecting part respectively; a first locking structure disposed on the housing, the first locking structure is at least partly located in the recessed portion, so that the first locking structure is arranged in a triangle with the first contact piece and the second contact piece; and a plane part, located on the mating surface and away from the recessed part, the plane part is adjacent to the first mating part of the first contact part and adjacent to the second mating part of the second contact part, the plane part is connected to the first contact part The pair of docking parts and the second docking part are arranged in a triangle. The wire-end connector as claimed in claim 1, wherein the concave portion is adjacent to the corner of the front surface and the second side, and the first contact is adjacent to the corner of the front surface and the first side, The second contact piece is adjacent to a corner of the rear end surface and the second side surface, and the plane portion is adjacent to a corner of the rear end surface and the first side surface. The wire-end connector as claimed in claim 1, wherein the shell is molded by overmolding. The wire end connector as claimed in claim 1, wherein the housing includes a shell and a cover that are combined with each other. The wire end connector as claimed in claim 4, wherein the housing has two through grooves for accommodating the first contact piece and the second contact piece respectively, each through groove is provided at the bottom and adjacent to the mating surface The retaining edge, and the elastic stop arm extending into the through groove from the top, the retaining edges of the two through grooves are respectively used to stop a bottom edge of the first contact piece and a bottom edge of the second contact piece , the elastic stop arms of the two through grooves are respectively used to stop an upper stop surface of the first contact piece and an upper stop surface of the second contact piece. The wire end connector according to claim 1, wherein, the first docking part includes a barrel body, and a cage-shaped contact body arranged in the barrel body, the second docking part includes a barrel body, and a cage-shaped contact body arranged in the barrel body A cage-shaped contact body in the barrel. The wire end connector according to claim 6, wherein the cage-shaped contact bodies of the first docking portion and the second docking portion each have an annular head and elastic contact pieces extending from the annular head. The cable end connector as claimed in claim 1, wherein the first locking structure has a cantilever extending downward, and a first locking unit disposed on the cantilever. The cable end connector as claimed in claim 1, wherein the first locking structure has an opening extending through it up and down. The cable end connector as claimed in claim 1, wherein the first locking structure has an opening extending through the top and bottom, and a screw rotatably passing through the opening. The wire end connector as claimed in claim 1, wherein projections of the first contact piece and the second contact piece on the front face partially overlap with each other. The wire end connector as claimed in claim 1, wherein projections of the first contact piece and the second contact piece on the first side partially overlap with each other. The wire end connector as claimed in claim 1, wherein the two wires pass through the rear surface into the housing and are electrically connected to the first connecting portion and the second connecting portion respectively. The wire-end connector according to claim 1, wherein, the housing further has an upper end surface spaced opposite to the mating surface, and the two wires penetrate into the housing from the upper end surface and respectively connect with the first connecting portion It is electrically connected with the second connection part. The wire-end connector according to claim 14, wherein the first connection part and the second connection part are plate-shaped, and the two wires are respectively electrically connected to the first connection part and the second connection part opposite to each other. at the side. A header connector comprising: A circuit board having a rectangular area, a first corner and a second corner located diagonally opposite to each other within the rectangular area, and a third corner within the rectangular area; a third contact piece, located at the first corner, and including a third connecting portion electrically connected to the circuit board, and a third butting portion formed by extending upward from the third connecting portion; A fourth contact piece is arranged at the second corner and arranged obliquely with the third contact piece, and includes a fourth connection portion electrically connected to the circuit board, and extends upward from the fourth connection portion forming a fourth butt joint; and A second locking structure is located at the third corner. The board end connector as claimed in claim 16, wherein the second locking structure includes a base extending upward and a second locking unit disposed on the base. The board end connector as claimed in claim 16, wherein the second locking structure includes a base portion extending upward and a screw hole disposed on the base portion. The board end connector as claimed in claim 16, wherein the board end connector further includes a rectangular seat body arranged on the circuit board, the seat body has the corresponding circuit board formed vertically and vertically. The two through holes at the first corner and the second corner, the third butt joint portion and the fourth butt joint portion respectively extend upwards from the two through holes, the second locking structure is integrally formed from the seat body, The base body and the circuit board are locked to each other by at least one locking screw. The board end connector as claimed in item 19, wherein, the third contact also has an interference rib for interfering with the inner wall of the corresponding through hole, and the fourth contact also has an interference rib for interfering with the corresponding The interference ribs on the inner wall surface of the through hole. The board end connector as claimed in item 19, wherein, the third contact piece also has an elevated protrusion for stopping on the top surface of the circuit board to elevate the space for filling tin, and the fourth The contact piece also has an elevated protrusion for stopping on the top surface of the circuit board to elevate the space for filling tin. The board end connector as claimed in claim 16, wherein the third butting portion and the fourth butting portion are cylindrical. A combination of a wire-end connector and a board-end connector, comprising: One-line connectors, including: A casing has a pair of joint surfaces at the bottom, a front end surface and a rear end surface opposite to each other, and a first side surface and a second side surface opposite to each other, the front end surface, the rear end surface, the first side surface and the first side surface The second side is formed by extending from each side edge of the abutting surface, and the shell has a concave portion adjacent to the front end surface or the rear end surface; A first contact piece is arranged in the shell, and the first contact piece includes a first butt joint portion arranged in the shell and extending toward the butt joint surface, and a first connection portion connected to the first butt joint portion ; A second contact piece is arranged in the shell, and the second contact piece includes a second butt joint part arranged in the shell and extending toward the butt joint surface, and a second connection part connected to the second butt joint part ; two wires, extending into the shell and electrically connected to the first connecting part and the second connecting part respectively; a first locking structure disposed on the housing, the first locking structure is at least partly located in the recessed portion, so that the first locking structure is arranged in a triangle with the first contact piece and the second contact piece; and a plane part, located on the mating surface and away from the recessed part, the plane part is adjacent to the first mating part of the first contact part and adjacent to the second mating part of the second contact part, the plane part is connected to the first contact part A pair of docking parts and the second docking part are arranged in a triangle; A board end connector is used to dock with the line end connector, and the board end connector includes: a circuit board; A third contact piece, including a third connecting portion electrically connected to the circuit board, and a third connecting portion formed by extending upward from the third connecting portion and used for docking with the first connecting portion; A fourth contact piece, including a fourth connecting portion electrically connected to the circuit board, and a fourth connecting portion extending upward from the fourth connecting portion and used for connecting with the second connecting portion; and A second locking structure is arranged on the circuit board, and the second locking structure is used for interlocking with the first locking structure. The combination of the wire end connector and the board end connector according to claim 23, wherein, the recessed part is adjacent to the corner of the front face and the second side, and the first contact is adjacent to the front face and the At the corner of the first side, the second contact piece is adjacent to the corner of the rear end surface and the second side, and the plane portion is adjacent to the corner of the rear end surface and the first side. The combination of the wire-end connector and the board-end connector as claimed in claim 23, wherein the shell is molded by overmolding. The combination of a wire end connector and a board end connector as claimed in claim 23, wherein the housing includes a shell and a cover that are combined with each other. The combination of the wire end connector and the board end connector as described in claim 26, wherein, the housing has two through grooves for respectively accommodating the first contact piece and the second contact piece, and each through groove is provided with a The retaining edge at the bottom and adjacent to the mating surface, and the elastic stop arm extending into the through groove from the top, the retaining edges of the two through grooves are respectively used to stop a bottom edge of the first contact member and the first contact member. A bottom edge of the two contact pieces and the elastic stop arms of the two through grooves are respectively used to stop an upper stop surface of the first contact piece and an upper stop surface of the second contact piece. The combination of the wire end connector and the board end connector according to claim 23, wherein the first docking part includes a barrel body and a cage-shaped contact body arranged in the barrel body, and the second docking part includes A barrel body, and a cage-shaped contact body arranged in the barrel body; the third butt joint part and the fourth butt joint part are cylindrical and are respectively used for contacting the cage-like contact body of the first butt joint part and the second The cage contact body of the butt joint is electrically connected. The combination of the wire-end connector and the board-end connector as claimed in claim 28, wherein the cage-shaped contact bodies of the first docking portion and the second docking portion each have an annular head and extend from the annular head Formed elastic contacts. The combination of the wire end connector and the board end connector as claimed in item 23, wherein the first locking structure has a cantilever extending downward, and a first buckling unit arranged on the cantilever; the first locking structure The second locking structure includes a base extending upwards and a second buckling unit arranged on the base and used for buckling with the first buckling unit. The combination of the wire end connector and the board end connector according to claim 23, wherein the second locking structure includes a base extending upward and a screw hole provided on the base, and the first locking structure There is an opening passing through up and down, and a screw rotatably passing through the opening and screwed into the screw hole. The combination of the wire-end connector and the board-end connector as described in claim 23, wherein the board-end connector further includes a base provided on the circuit board, and the base has two through holes penetrating up and down respectively, The third docking portion and the fourth docking portion respectively extend upwards from the two through holes, and the second locking structure is integrally formed from the base body. The combination of wire end connector and board end connector according to claim 32, wherein, the third contact piece also has an interference rib for interfering with the inner wall surface of the corresponding through hole, and the fourth contact piece There is also an interference convex rib for interfering with the inner wall surface of the corresponding through hole. The combination of the wire end connector and the board end connector as claimed in item 32, wherein, the third contact piece also has a frame for stopping on the top surface of the circuit board so as to stand above the space for tin filling The raised portion, the fourth contact also has a raised raised portion for stopping on the top surface of the circuit board to raise the space for filling tin. The combination of the wire end connector and the board end connector as claimed in claim 23, wherein the projections of the first contact piece and the second contact piece on the front face partially overlap with each other. The combination of the wire end connector and the board end connector as claimed in claim 23, wherein the projections of the first contact and the second contact on the first side partially overlap with each other. The combination of the wire-end connector and the board-end connector as described in claim 23, wherein the two wires penetrate from the rear end surface into the housing and are electrically connected to the first connection part and the second connection part respectively connect. The combination of the wire-end connector and the board-end connector as described in claim item 37, wherein the first connection part and the second connection part are plate-shaped, and the two wires are respectively electrically connected to the first connection part and the On the opposite side of the second connecting portion. The combination of the wire-end connector and the board-end connector according to claim 23, wherein, the housing also has an upper end surface spaced opposite to the butt surface, and the two wires penetrate into the housing from the upper end surface and are respectively electrically connected to the first connecting portion and the second connecting portion. The combination of the wire end connector and the board end connector according to claim 23, wherein the wire end connector further has an abutment rib provided in the recess of the shell, and the abutment rib can provide the first The locking structure abuts, and the second locking structure of the board end connector includes an escape groove corresponding to the abutting rib, and the avoiding groove is used for interlocking the first locking structure and the second locking structure When buckling, the avoidance should rely on the ribs.

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