CN203193023U - Electrical connector - Google Patents

Abstract

An electric connector comprises an insulating body and terminal modules assembled in the insulating body. The insulating body is provided with a first insertion slot and an assembly space communicated with the first insertion slot and accommodating the terminal modules. The terminal modules include a first terminal module and a second terminal module which are arranged separately and fixed together. The first terminal module includes a plurality of first terminals and first fixing pieces used for fixing the first terminals. The second terminal module includes a plurality of second terminals and second fixing pieces used for fixing the second terminals. The first terminals and the second terminals are respectively provided with first and second contact parts which extend in the first insertion slot. The insulating body includes a pair of side walls located at two sides of the assembly space, channels communicated with the assembly space are concavely arranged at the inner sides of the side walls, and the terminal modules are provided with convex blocks which are in hard interference with the channels. Therefore, the electrical connector meets requirement on retention and is convenient to assemble and disassemble.

Description

Electric connector

Technical field

The utility model relates to a kind of electric connector, relates in particular to a kind of electric connector with terminal module.

Background technology

In the communications field, relevant manufacturer is making great efforts to improve the performance of the employed electric connector in this area, reduces its size simultaneously.For the I/O connector that uses in the communications field, these effort have brought some problems.In order to increase data transfer rate, use higher frequency between the signal terminal of electric connector, to have reliable electrical isolation so that cross-talk is minimized.Yet, reduce the connector size and with terminal arrange closeer, this can make that conducting terminal is close together more, typically cause the reduction of electrical isolation, same relevant manufacturer wishes to improve manufacturability, for example, and along with the increase of signal frequency, the position of related features of terminal and their physical characteristic become more important, because they can influence the operation of electric connector.Therefore relevant manufacturer wishes to improve the design of electric connector, makes when intensive, high-performance electric connector is provided, can also be convenient to produce.

Electric connector generally includes insulating body in the prior art relevant with this case, be assembled in first in the insulating body, the second terminal module, insulating body is provided with slot and assembling space, slot and assembling space are interconnected, the first terminal module comprises that first fixture and part are embedded in the some the first terminals in first fixture, the second terminal module comprises that second fixture and part are embedded in some second terminals in second fixture, first, second terminal is respectively equipped with and protrudes out first forward, the contact site of second fixture, contact site in slot in order to dock with butt connector.Yet the confining force deficiency between terminal module and the insulating body or confining force are inconvenient to assemble and change too greatly.

All are necessary to design a kind of electric connector, to solve the problems of the technologies described above.

The utility model content

The purpose of this utility model has been to provide a kind of electric connector of being convenient to assemble.

For realizing aforementioned purpose, the utility model adopts following technical scheme: a kind of electric connector, it comprises insulating body and is assembled in the interior terminal module of insulating body, described insulating body is provided with first slot and connects the also assembling space of host side submodule group with first slot, described terminal module comprise branch be arranged be fixed together first, the second terminal module, described the first terminal module comprises that some the first terminals reach fixedly first fixture of the first terminal, the described second terminal module comprises some second terminals and fixes second fixture of second terminal, described first, second terminal is provided with and extends into first in first slot, second contact site, described insulating body comprises the pair of sidewalls that is positioned at the assembling space both sides, this oppose side wall inboard is concaved with the conduit that connects with assembling space, and the terminal module is provided with the projection of doing something in disregard of obstacles and relating to conduit.

As further improvement of the utility model, described the first terminal is provided with first horizontal part in regular turn, first vertical component effect and first weld part, first contact site extends forward from first horizontal part and forms, first vertical component effect is perpendicular to first horizontal part, first horizontal part edge buries and takes shape in first fixture, first contact site protrudes out first fixture forward, described second terminal is provided with second horizontal part in regular turn, second vertical component effect and first weld part, second contact site extends forward from second horizontal part and forms, second vertical component effect is perpendicular to second horizontal part, second horizontal part edge buries and takes shape in first fixture, second contact site protrudes out second fixture forward, first, second contact site and first, second horizontal part extends along fore-and-aft direction, first, second vertical component effect and first, second weld part extends along the vertical direction, and first, second weld part extends insulating body downwards.

As further improvement of the utility model, described the first terminal module comprises that also edge buries first keeper of first vertical component effect, first keeper comprises first main part and first protuberance that upwards protrudes out from the first main part front end, the common L shaped structure that forms of first main part and first protuberance, the second terminal module comprises that edge buries second keeper of second vertical component effect, second keeper comprises second main part and second protuberance that upwards protrudes out from the second main part front end, the common L shaped structure that forms of second main part and second protuberance, first, second main part is mutually by sticking together first, spaced apart before and after second protuberance.

As further improvement of the utility model, described conduit runs through sidewall backward, conduit comprises inner top surface, first medial surface that extends downwards from inner top surface, first bottom surface that extends internally from the first medial surface bottom, second medial surface that extends downwards from the first bottom surface inside end and from second bottom surface that second medial surface extends internally, first, second main part both sides convex with stage portion, stage portion is contained in the conduit, and with inner top surface, first medial surface, first bottom surface, second medial surface and second bottom surface of conduit mutually by sticking together.

As further improvement of the utility model, described projection is arranged on the stage portion and downwards against on second bottom surface.

The utility model not only satisfies the confining force requirement but also be convenient to assemble and change by being provided with the projection of doing something in disregard of obstacles and relating to the conduit of insulating body at the terminal module.

Description of drawings

Fig. 1 is the three-dimensional combination figure of the utility model electric connector.

Fig. 2 is the three-dimensional combination figure of another angle of the utility model electric connector.

Fig. 3 is the part three-dimensional exploded view of the utility model electric connector.

Fig. 4 is the three-dimensional exploded view of the utility model electric connector.

Fig. 5 is the three-dimensional exploded view of another angle of the utility model electric connector.

Fig. 6 is the three-dimensional exploded view of the utility model electric connector terminal module.

Fig. 7 is the three-dimensional exploded view of another angle of the utility model electric connector terminal module.

Fig. 8 is the schematic perspective view of the utility model electric connector terminal insulating body.

Fig. 9 is the schematic perspective view of another angle of the utility model electric connector terminal insulating body.

Embodiment

See also Fig. 1 to shown in Figure 9, the utility model electric connector 100 is SFP (Small Form-factor Pluggable, SFP) socket connector, it comprises insulating body 10 and is assembled in some terminal modules 20 in the insulating body 10, terminal module 20 comprises the first terminal module 21, the second terminal module 22, the 3rd terminal module 23 and the 4th terminal module 24, first, second terminal module 21,22 snaps together mutually, and the 3rd, the 4th terminal module 23,24 snaps together mutually.

Insulating body 10 comprise base portion 13 and from base portion 13 protrude out forward first, second docking section 11,12, base portion 13 is provided with and reaches the assembling space 135 that runs through backward downwards, first, second docking section 11,12 are parallel to each other, first docking section 11 is positioned at the top of second docking section 12, insulating body 10 comprises the pair of sidewalls 14 that is positioned at both sides, these oppose side wall 14 bottom inside are concaved with the conduit 141 that connects with assembling space 135 and the reference column 148 that protrudes out downwards, conduit 141 runs through sidewall 14 backward, and conduit 141 comprises inner top surface 142, from inner top surface 142 downward first medial surfaces 143 that extend, first bottom surface 144 that extends internally from first medial surface, 143 bottoms, second bottom surface 146 that second medial surface 145 that extends downwards from first bottom surface, 144 inside end reaches from second medial surface 145 extends to the inside.Inner top surface 142, first bottom surface 144, second bottom surface 146 are positioned at the different level that is parallel to each other, and first, second medial surface 143,145 is positioned at the different vertical planes that are parallel to each other.

First, second docking section 11,12 and the receiving space 15 that opens wide forward of 14 formation of this oppose side wall, first docking section 11 is provided with pre-and post perforative first slot 110, second docking section 12 is provided with pre-and post perforative second slot 120, first, second slot 110,120 usefulness are pegged graft for two butt connectors (not shown), first, second slot 110,120 and assembling space 135 front and back connect, and, first, second slot 110,120 and assembling space 135 be formed between this oppose side wall 14.

First docking section 11 comprises that first diapire, 112, the second docking sections 12 of first roof 111 that is positioned at first slot, 110 upsides and first slot, 110 downsides comprise second roof 121 that is positioned at second slot, 120 upsides and second diapire 122 of second slot, 120 downsides.Base portion 13 comprises the upper end wall 130 that extends back from first roof 111, first partition wall 131 that first diapire 112 extends back, the lower end wall 133 that second partition wall 132 that second roof 121 extends back and second diapire 122 extend back, upper end wall 130, first partition wall 131, spaced apart and connect this oppose side wall 14 behind second partition wall 132 and lower end wall 133 upward and downwards, first, second partition wall 131,132 lay respectively in the assembling space 135, upper end wall 130 extands rearward to insulating body 10 rear end faces, first, second partition wall 131,132 extend back above lower end wall 133, the first, second partition wall 131,132 rear end face consistency from top to bottom.

First, second roof 111,121 and first, second diapire 121,122 is concaved with respectively and first, second slot 110,120 connects accepting grooves 1113,1213.Upper end wall 130 inboards are concaved with the last guide channel 1301 that runs through backward and the last location notch 1302 that further upwards caves in from last guide channel 1301 front ends, lower end wall 133 inboards be concaved with the following guide channel that runs through backward 1331 and from guide channel 1331 front ends down further to the following location notch 1332 of lower recess, upper and lower guide channel 1301,1331 and upper and lower location notch 1302,1332 connect with assembling space 135 respectively.

The first terminal module 21 comprises some the first terminals 211, one first fixture 212 and one first keeper 213.Described some the first terminals 211 are L shaped, be arranged in a row along left and right directions, each the first terminal 211 is provided with one first contact site 2111, one first horizontal part 2112, one first vertical component effect 2113 and one first weld part 2114 in regular turn, first contact site 2111 is the arcuate structure that protrudes downwards, first contact site 2111 and first horizontal part 2112 extend along fore-and-aft direction, first vertical component effect 2113 and first weld part 2114 extend along the vertical direction, and first vertical component effect 2113 is perpendicular to first horizontal part 2112.First horizontal part, 2112 edges bury and take shape in first fixture 212, first contact site 2111 protrudes out first fixture 212 forward, first vertical component effect, 2113 edges bury and take shape in first keeper 213, the top of the rear end of first horizontal part 2112 and first vertical component effect 2113 is exposed to the outside of first fixture 212 and first keeper 213, first weld part 2114 extends first keeper 213 downwards, in order to be soldered on the circuit board (not shown).Part the first terminal 211 also comprises first rake 2115 that connects first vertical component effect 2113 and first weld part 2114, first rake 2115 reaches downward-sloping extension backward and forms, first rake, 2115 edges bury and take shape in first keeper 213, make first weld part 2114 of the first terminal 211 be arranged as two row along fore-and-aft direction, and first weld part 2114 setting of on fore-and-aft direction, staggering one by one in two row.

First fixture, 212 tops convex with isolated a pair of first button in the left and right sides and hold piece 2121 and dual-side is provided with Elastic buckle sheet 2122 and the spacer 2123 that protrudes out downwards, first button is held piece 2121 and is provided with inclined plane 2128 towards the place ahead, buckling piece 2122 is positioned at spacer 2123 the place aheads and spaced apart, the two sides of first fixture 212 are concaved with groove 2125, groove 2125 extends down into buckling piece 2122 from first fixture, 212 end faces, thereby forms the block button hole 2126 that runs through buckling piece 2122 about.First keeper 213 comprises first main part 2131 and first protuberance, 2132, the first main parts 2131 and first protuberance, the 2132 common L shaped structures that form that upwards protrude out from first main part, 2131 front ends.

The second terminal module 22 comprises some second terminals 221, one second fixture 222 and one second keeper 223.Described some second terminals 221 are L shaped, be arranged in a row along left and right directions, each second terminal 221 is provided with one second contact site 2211, one second horizontal part 2212, one second vertical component effect 2213 and one second weld part 2214 in regular turn, second contact site 2211 is symmetrical about in the of 2111 for arcuate structure protruding upward and first contact site, second contact site 2211 and second horizontal part 2212 extend along fore-and-aft direction, second vertical component effect 2213 and second weld part 2214 extend along the vertical direction, and second vertical component effect 2213 is perpendicular to second horizontal part 2212.Second horizontal part, 2212 edges bury and take shape in second fixture 222, second contact site 2211 protrudes out second fixture 222 forward, second vertical component effect, 2213 edges bury and take shape in second keeper 223, the top of the rear end of second horizontal part 2212 and second vertical component effect 2213 is exposed to the outside of second fixture 222 and second keeper 223, second weld part 2214 extends second keeper 223 downwards, in order to be soldered on the circuit board.Part second terminal 221 also comprises second rake 2215 that connects second vertical component effect 2213 and second weld part 2214, second rake 2215 reaches downward-sloping extension backward and forms, second rake, 2215 edges bury and take shape in second keeper 223, make second weld part 2214 of second terminal 221 be arranged as two row along fore-and-aft direction, and second weld part 2214 setting of on fore-and-aft direction, staggering one by one in two row.

Second fixture, 222 two sides are recessed the holding tank 2222 that runs through second fixture 222 up and down and the buckle piece 2223 that is positioned at holding tank 2222, buckle piece 2223 has inclined plane 2224 up, the buckling piece 2122 of the first terminal module 21 is contained in downwards in the holding tank 2222, restriction first, second fixture 212,222 relatively move at fore-and-aft direction, buckling piece 2222 offsets with inclined plane 2224, when impelling buckling piece 2222 to move down also laterally elasticity open, in buckle piece 2223 enters block button hole 2126, make and win, second fixture 212,222 is fixed with each other, restriction first, second fixture 212,222 relatively move at above-below direction, buckling piece 2222 resiles, in addition, second fixture 222 also is resisted against on the spacer 2123 of first fixture 212 backward, and it is mobile backward further to limit second fixture 222.

Second keeper 223 comprises second main part 2231 and second protuberance 2232 that upwards protrudes out from second main part, 2231 front ends, second main part 2231 and second protuberance, the 2232 common L shaped structures that form, first, second main part 2131,2231 is mutually by sticking together, first, second protuberance 2132,2232 front and back are spaced apart, first, second terminal module 21,22 is combined and form an integral body.

The 3rd terminal module 23 comprises some the 3rd terminals 231, one the 3rd fixture 232 and one the 3rd keeper 233.Described some the 3rd terminals 231 are L shaped, be arranged in a row along left and right directions, each the 3rd terminal 231 is provided with one the 3rd contact site 2311, one the 3rd horizontal part 2312, one the 3rd vertical component effect 2313 and one the 3rd weld part 2314 in regular turn, the 3rd contact site 2311 is the arcuate structure that protrudes downwards, the 3rd contact site 2311 and the 3rd horizontal part 2312 extend along fore-and-aft direction, the 3rd vertical component effect 2313 and the 3rd weld part 2314 extend along the vertical direction, and the 3rd vertical component effect 2313 is perpendicular to the 3rd horizontal part 2312.The 3rd horizontal part 2312 edges bury and take shape in the 3rd fixture 232, the 3rd contact site 2311 protrudes out the 3rd fixture 232 forward, the 3rd vertical component effect 2313 edges bury and take shape in the 3rd keeper 233, the top of the rear end of the 3rd horizontal part 2312 and the 3rd vertical component effect 2313 is exposed to the outside of the 3rd fixture 232 and the 3rd keeper 233, the 3rd weld part 2314 extends the 3rd keeper 233 downwards, in order to be soldered on the circuit board.Part the 3rd terminal 231 also comprises the 3rd rake 2315 that connects the 3rd vertical component effect 2313 and the 3rd weld part 2314, the 3rd rake 2315 reaches downward-sloping extension backward and forms, the 3rd rake 2315 edges bury and take shape in the 3rd keeper 233, make the 3rd weld part 2314 of the 3rd terminal 231 be arranged as two row along fore-and-aft direction, and the 3rd weld part 2314 setting of on fore-and-aft direction, staggering one by one in two row.

The 3rd fixture 232 dual-sides are provided with Elastic buckle sheet 2324 and the spacer 2323 that protrudes out downwards, buckling piece 2324 is positioned at spacer 2323 the place aheads and spaced apart, the two sides of the 3rd fixture 232 also are concaved with groove 2325, groove 2325 extends down into buckling piece 2324 from the 3rd fixture 232 end faces, a thereby block button hole 2326 that runs through buckling piece 2324 about forming, observe along left and right directions, groove 2325 is square respectively with block button hole 2326.The 3rd keeper 233 comprises the 3rd main part 2331 and the 3rd protuberance 2332, the three main parts 2331 and the 3rd protuberance 2332 common L shaped structures that form that upwards protrude out from the 3rd main part 2331 front ends.

The 4th terminal module 24 comprises some the 4th terminals 243, one the 4th fixture 242 and one the 4th keeper 243.Described some the 4th terminals 243 are L shaped, be arranged in a row along left and right directions, each the 4th terminal 243 is provided with one the 4th contact site 2431, one the 4th horizontal part 2432, one the 4th vertical component effect 2433 and one the 4th weld part 2434 in regular turn, the 4th contact site 2431 is symmetrical about in the of 2311 for arcuate structure protruding upward and the 3rd contact site, the 4th contact site 2431 and the 4th horizontal part 2432 extend along fore-and-aft direction, the 4th vertical component effect 2433 and the 4th weld part 2434 extend along the vertical direction, and the 4th vertical component effect 2433 is perpendicular to the 4th horizontal part 2432.The 4th horizontal part 2432 edges bury and take shape in the 4th fixture 242, the 4th contact site 2431 protrudes out the 4th fixture 242 forward, the 4th vertical component effect 2433 edges bury and take shape in the 4th keeper 243, the top of the rear end of the 4th horizontal part 2432 and the 4th vertical component effect 2433 is exposed to the outside of the 4th fixture 242 and the 4th keeper 243, the 4th weld part 2434 extends the 4th keeper 243 downwards, in order to be soldered on the circuit board.Part the 4th terminal 243 also comprises the 4th rake 2435 that connects the 4th vertical component effect 2433 and the 4th weld part 2434, the 4th rake 2435 reaches downward-sloping extension backward and forms, the 4th rake 2435 edges bury and take shape in the 4th keeper 243, make the 4th weld part 2434 of the 4th terminal 243 be arranged as two row along fore-and-aft direction, and the 4th weld part 2434 setting of on fore-and-aft direction, staggering one by one in two row.

The 4th fixture 242 bottoms convex with isolated a pair of the 4th button in the left and right sides and hold piece 2421, two sides are recessed the holding tank 2424 that runs through the 4th fixture 242 up and down and the buckle piece 2423 that is positioned at holding tank 2424, the 4th button is held piece 2421 and is had inclined plane 2428 towards the place ahead, the buckling piece 2324 of the 3rd terminal module 23 is contained in downwards in the holding tank 2424, limit the 3rd, the 4th fixture 232,242 relatively move at fore-and-aft direction, buckling piece 2324 offsets with inclined plane 2424, when impelling buckling piece 2324 to move down also laterally elasticity open, in buckle piece 2423 enters block button hole 2326, make the 3rd, the 4th fixture 232,242 is fixed with each other, limit the 3rd, the 4th fixture 232,242 relatively move at above-below direction, buckling piece 2324 resiles, in addition, the 4th fixture 242 also is resisted against on the spacer 2323 of the 3rd fixture 232 backward, further restriction the 4th fixture 242 is mobile backward, finally makes the 3rd, the 4th terminal module 23,24 combine and form an integral body.

The 4th keeper 243 comprises the 4th main part 2431 and the 4th protuberance 2432 that upwards protrudes out from the 4th main part 2431 front ends, the 4th main part 2431 and the 4th protuberance 2432 common L shaped structures that form, three, the 4th main part 2331,2431 is mutually by sticking together, and the 3rd, the 4th protuberance 2332,2432 front and back are spaced apart.

During 100 assemblings of the utility model electric connector, at first, with the 3rd, the 4th terminal module 23,24 integral body of forming are assembled in forward in insulating body 10 assembling spaces 135, the 3rd, the 4th fixture 232,242 are clamped between second partition wall 132 and lower end wall 133 of insulating body 10, the 4th button is held and is further moved forward after piece 2421 is introduced into down guide channel 1331 along its inclined plane 2428, in snapping in down location notch 1332 downwards, thereby limit the 3rd, the 4th terminal module 23,24 is mobile backward, the 3rd, the 4th terminal 231,241 the 3rd, the 4th contact site 2331,2431 enter in second slot 120, the 3rd, the 4th contact site 2331,2431 parts are contained in the accepting groove 1213, at last, with first, the second terminal module 21,22 integral body of forming are assembled in forward in insulating body 10 assembling spaces 135, first, second fixture 212,222 are clamped between the upper end wall 130 and first partition wall 131 of insulating body 10, first button is held and is further moved forward after piece 2121 is introduced into guide channel 1301 along its inclined plane 2128, in upwards snapping in location notch 1302, thereby limit first, the second terminal module 21,22 is mobile backward, first, second terminal 211,221 first, second contact site 2131,2231 enter in first slot 110, first, second contact site 2131,2131 parts are contained in the accepting groove 1113, the 3rd main part 2331 of second main part 2231 of second keeper 223 and the 3rd keeper 233 is mutually by sticking together, second, the 3rd protuberance 2232,2332 front and back are spaced apart, in addition, for increasing by first, second, the 3rd, the 4th terminal module 21,22,23,24 and insulating body 10 between bond strength, first, second, the 3rd, the 4th protuberance 2132,2232,2332, the stopper slot 201 that connects before and after 2432 two sides are concaved with respectively, first, second, the 3rd, the 4th main part 2131,2231,2331,2431 both sides convex with stage portion 202, the spacing rib 1401 that connects before and after 14 inboards, two side of insulating body 10 are concaved with, spacing rib 1401 is contained in the limiting groove 201, restriction first, second, the 3rd, the 4th terminal module 21,22,23,24 move up and down, stage portion 202 is contained in the conduit 141, and the inner top surface 142 with conduit 41, first medial surface 143, first bottom surface 144, second medial surface 145 and second bottom surface 146 are mutually by sticking together, stage portion 202 also is provided with downwards against the projection 203 (ginseng Fig. 3) on second bottom surface 146, stage portion 202 and sidewall 14 are done something in disregard of obstacles to be related to together, not only satisfied terminal module confining force demand but also be convenient to its assembling and change, projection 203 is provided with towards the inclined plane 204 in the place ahead, moves forward in the conduit 141 in order to guide stage portion 202.

First of the utility model electric connector 100, second fixture 212, pass through the block button hole 2126 mutual buckles on buckle piece 2223 and the buckling piece 2122 between 222, provide first, the second terminal module 21, confining force between 22, the 3rd, the 4th fixture 232, pass through the block button hole 2326 mutual buckles on buckle piece 2423 and the buckling piece 2324 between 242, provide the 3rd, the 4th terminal module 23, confining force between 24, simple and convenient assembly, after assembling is finished, first, the second terminal module 21,22 in conjunction with compact, be difficult to separate, the 3rd, the 4th terminal module 23,24 in conjunction with compact, be difficult to separate, guaranteed the structural strength of electric connector 100.

In other execution modes of the utility model electric connector 100, conducting terminal can also adopt the mode of assembling to be fixed on fixture or the keeper, to form the terminal module.

Although be the example purpose, preferred implementation of the present utility model is disclosed, but those of ordinary skill in the art will recognize that under situation about not breaking away from by the disclosed scope and spirit of the present utility model of appending claims, various improvement, increase and replacement are possible.

Claims (5)

1. an electric connector (100), it comprises insulating body (10) and is assembled in the interior terminal module (20) of insulating body (10), described insulating body (10) is provided with first slot (110) and connects the also assembling space (135) of host side submodule group (20) with first slot (110), described terminal module (20) comprise branch be arranged be fixed together first, the second terminal module (21,22), described the first terminal module (21) comprises that some the first terminals (211) reach fixedly first fixture (212) of the first terminal (211), the described second terminal module (22) comprises some second terminals (221) and fixes second fixture (222) of second terminal (221), described first, second terminal is respectively equipped with and extends into first in first slot (110), second contact site (2111,2211), described insulating body (10) comprises the pair of sidewalls (14) that is positioned at assembling space (135) both sides, it is characterized in that: this oppose side wall (14) inboard is concaved with the conduit (141) that connects with assembling space (135), and the terminal module is provided with the projection (203) of doing something in disregard of obstacles and relating to conduit.

2. electric connector according to claim 1, it is characterized in that: described the first terminal (211) is provided with first horizontal part (2112) in regular turn, first vertical component effect (2113) and first weld part (2114), first contact site (2111) extends forward from first horizontal part (2112) and forms, first vertical component effect (2113) is perpendicular to first horizontal part (2112), first horizontal part (2112) edge buries and takes shape in first fixture (212), first contact site (2111) protrudes out first fixture (212) forward, described second terminal (221) is provided with second horizontal part (2212) in regular turn, second vertical component effect (2213) and first weld part (2214), second contact site extends forward from second horizontal part and forms, second vertical component effect (2213) is perpendicular to second horizontal part (2212), second horizontal part (2212) edge buries and takes shape in first fixture (212), second contact site (2211) protrudes out second fixture (222) forward, first, second contact site (2111,2211) and first, second horizontal part (2112,2212) extend along fore-and-aft direction, first, second vertical component effect (2113,2213) and first, second weld part (2114,2214) extend first along the vertical direction, second weld part (2114,2214) extend insulating body (10) downwards.

3. electric connector according to claim 2, it is characterized in that: described the first terminal module (21) comprises that also edge buries first keeper (213) of first vertical component effect (2113), first keeper (213) comprises first main part (2131) and first protuberance (2132) that upwards protrudes out from first main part (2131) front end, first main part (2131) forms a L shaped structure jointly with first protuberance (2132), the second terminal module (22) comprises that edge buries second keeper (223) of second vertical component effect (2213), second keeper (223) comprises second main part (2231) and second protuberance (2232) that upwards protrudes out from second main part (2231) front end, second main part (2231) forms a L shaped structure jointly with second protuberance (2232), first, second main part (2131,2231) mutually by sticking together first, second protuberance (2132,2232) spaced apart before and after.

4. electric connector according to claim 3, it is characterized in that: described conduit (141) runs through sidewall (14) backward, conduit (141) comprises inner top surface (142), from downward first medial surface (143) that extends of inner top surface (142), first bottom surface (144) that extends internally from first medial surface (143) bottom, second medial surface (145) that extends downwards from first bottom surface (144) inside end and from second bottom surface (146) that second medial surface (145) extends internally, first, second main part (2131,2231) both sides convex with stage portion (202), stage portion (202) is contained in the conduit (141), and with the inner top surface (142) of conduit (141), first medial surface (143), first bottom surface (144), second medial surface (145) and second bottom surface (146) are mutually by sticking together.

5. electric connector according to claim 4 is characterized in that: described projection (203) is arranged at that stage portion (202) goes up and downwards against on second bottom surface (146).

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