CN207269075U - Electric connector - Google Patents

Abstract

The utility model discloses a kind of electric connector,It includes insulating body,Insulating body includes base portion and the hyoplastron in front of base portion,Multiple terminals are fixedly arranged on base portion and are revealed in the surface of hyoplastron,Housing is coated on base portion and hyoplastron periphery,There is gap between inner walls face and base portion,From inner walls face projection barricade,Barricade is located at the rear of hyoplastron and block is in the front of base portion,From the rear end of barricade recessed groove forward,Groove is connected with gap,Waterproof case is filled in gap and extends to groove,Make electric connector that there is preferable water resistance,When waterproof case is in gum forming,Groove is housing the glue penetrated into forward from gap,Glue is avoided to penetrate into further along,And the further block glue of barricade flows into hyoplastron,So as to avoid excessive glue is deposited at hyoplastron and influences the grafting of electric connector,And prevent glue from polluting terminal,Make electric connector that there are good electrical connection properties.

Description

Electric connector

Technical field

A kind of electric connector is the utility model is related to, espespecially a kind of electric connector with water-proof function.

Background technology

Universal serial bus（Universal Serial Bus, abbreviation USB）Electric connector sent out in popular life Wave important effect, and in order to avoid masses are subject to environmental restrictions when in use, to the water resistance of electric connector will Ask also more and more stringenter.Although there is row dealer to install " waterproof plug " at the interface of electric connector or install inside it " waterproof washer ", makes aqueous vapor not invade, however, either waterproof plug or waterproof washer, all there is assembling to be not easy, cost it is excessive The problem of, to solve the problems, such as this, those skilled in the art devise a water-proof connector, and the water-proof connector includes one Insulating body, the insulating body have a base portion and a hyoplastron, and a first end subgroup and a Second terminal group have one respectively First contact site and one second contact site are arranged in the upper and lower surface of the hyoplastron, and one first weld part and one second welding Portion is protruded from outside the base portion, and a metal shell is sheathed on the periphery of the insulating body, the metal shell and the base portion Between there is a gap in the horizontal direction, from recessed one annular glue groove of the base portion outside wall surface, first weld part and institute State the second weld part and be revealed in the annular glue groove, the annular glue groove is connected with the gap, the annular is held Glue groove carries out injection glue, forms water-proof slab after the glue solidifies, the electric connector is had the function of waterproof.

However, since the gap having between the metal shell and the base portion is connected with the annular glue groove, When carrying out injection glue to the annular glue groove, glue can also be penetrated into towards the gap at the same time, and along the gap Flow at the hyoplastron, when excessive glue is deposited at the hyoplastron, can not only influence the grafting of the electric connector, but also Since first contact site and second contact site are arranged in the upper and lower surface of the hyoplastron so that the glue can pollute First contact site and second contact site, and then the signal for influencing the first end subgroup and the second end subgroup passes It is defeated, cause the electrical connection properties of the electric connector bad.

Therefore, it is necessary to a kind of electric connector of improvement is designed, to overcome the above problem.

The content of the invention

The creation purpose of the utility model is to provide a kind of by inner walls face projection barricade, and barricade is recessed recessed Groove, waterproof case extend to groove so as to avoid glue from penetrating into the electric connector of hyoplastron.

In order to achieve the above object, the utility model adopts the following technical solution：

On the one hand, the utility model provides a kind of electric connector, including an insulating body, the insulating body include a base Portion and the hyoplastron in front of the base portion；Multiple terminals, are fixedly arranged on the base portion and are revealed in the surface of the hyoplastron；One Housing, is coated on the base portion and hyoplastron periphery, a grafting space, the shell is formed between the housing and the hyoplastron In vivo there is a gap between wall and the base portion, from one barricade of inner walls face projection, the barricade is positioned at described The rear of hyoplastron and block are in the front of the base portion, from the rear end of a barricade recessed groove forward, the groove with The gap is connected；One waterproof case, is filled in the gap and extends to the groove.

Further, the barricade that continuous one cast of projection circularizes from the inner walls face, the groove is described in The recessed circle of rear end face of barricade is formed.

Further, the groove has one first groove face being oppositely arranged and one second groove face and connection first groove Face and one the 3rd groove face of second groove face, first groove face coincide with the inner walls face, the 3rd groove face The distance between described base portion front end face is greater than or equal to the groove recessed length along the longitudinal direction.

Further, the distance between first groove face and second groove face are more than the height of the gap vertically Degree.

Further, the housing is made of the mode of powder metallurgy, and from the rear end both sides of the housing, level is prolonged respectively backward An extension is stretched, extends a fixed feet straight down from the extension to be soldered to a circuit board.

Further, the housing has an inserting section in the front side of the barricade, and has one in the rear side of the barricade Fixed section, the grafting space are formed at the inserting section, and the fixed section is coated on the base portion periphery, the fixed section edge The thickness of vertical direction is more than the thickness of the inserting section vertically, and the thickness of the barricade vertically is less than described The thickness of fixed section vertically.

Further, the housing rear end has an accommodating chamber, and the accommodating chamber is located at the base portion rear end face and the shell Between body rear end face, the waterproof case dispensing takes shape in the accommodating chamber and extends to the gap and the groove.

Further, in the both sides up and down of the accommodating chamber, opposite bending is equipped with an at least banking stop, institute to the housing respectively Waterproof case part is stated between the banking stop and the base portion, the banking stop is held in the base portion rear end face.

Further, a stage portion is extended to form forward from the base portion, the tongue is extended to form forward from the stage portion Plate, the thickness of the stage portion are more than the thickness of the hyoplastron and less than the thickness of the base portion, and the barricade is coated on described The periphery of stage portion.

Further, the insulating body is in the stage portion at least one boss of side transverse direction projection, and the boss is before and after It is described that direction between the base portion and the stage portion, in multiple terminals there is at least one terminal part to be contained in Boss.

Further, the insulating body is convexly equipped with the boss respectively in the both lateral sides of the stage portion, multiple described Terminal includes the first end subgroup for being arranged in the hyoplastron upper surface and the Second terminal for being arranged in the hyoplastron lower surface Group, the first end subgroup outermost have two the first ground terminals, and the second end subgroup outermost has two second Ground terminal, two boss partly coat first ground terminal and second ground terminal.

Further, first ground terminal has one first contact site, one first deviation portion, one the successively from front to back Two deviation portions, one first bending part and one first weld part, the width in the second deviation portion are more than first weld part Width, the boss is fixed in the second deviation portion.

Further, second ground terminal has one second contact site, one the 3rd deviation portion, one the successively from front to back Four deviation portions, one second bending part and one second weld part, the 4th deviation portion are located at the boss, second welding Portion is with first welding position in same row.

Further, second ground terminal has one the 3rd between second bending part and second weld part Bending part, the overbending direction of the 3rd bending part is identical with the overbending direction of first bending part, second bending part Overbending direction it is opposite with the overbending direction of first bending part.

Further, a shielding piece edge is embedded in the hyoplastron and the stage portion and positioned at the first end subgroup and described the Between two-terminal group, the shielding piece has the biside plate being oppositely arranged and the connection for connecting two side plate front ends Plate, two side plates and the connecting plate surround a fluting of open rearward end, the lateral edges difference of two side plates jointly Protrude from the two sides of the hyoplastron.

Further, each side plate is corresponded to positioned at each first ground terminal and each second ground terminal Between, and it is in electrical contact with first ground terminal and second ground terminal.

Further, first ground terminal, second ground terminal and the shielding piece three be vertically Thickness with the hyoplastron vertically of the sum of thickness it is equal.

Further, the size of the base portion along the longitudinal direction is less than the size of the stage portion along the longitudinal direction, described convex The size of platform along the longitudinal direction is less than the size of the base portion along the longitudinal direction.

Further, the barricade is ring-shaped, and the rear end face of the barricade and the front end face of the base portion abut against, described The side wall of barricade and the side wall of the boss abut against.

Further, the front end sleeve of the housing is equipped with a water proof ring, and the hyoplastron part is forwardly convex in outside the housing.

Compared with prior art, the electric connector of the utility model is described by the inner walls face projection barricade Barricade block avoids the housing from departing from the insulating body, from the rear end of the barricade in the front of the base portion The recessed groove, the groove are connected with the gap forward, and the waterproof case is filled in the gap and extends to The groove, makes the electric connector have preferable water resistance, and when the waterproof case is in gum forming, the groove is used To house the glue penetrated into forward from the gap, glue is avoided to penetrate into further along, and the barricade is further kept off Only glue flows into the hyoplastron, so as to avoid excessive glue is deposited at the hyoplastron and influences inserting for the electric connector Connect, and prevent glue to pollute the terminal, ensure that the electric connector has good electrical connection properties.

【Brief description of the drawings】

Fig. 1 is the exploded view of the utility model electric connector；

Fig. 2 is schematic diagrames of the Fig. 1 from another angle；

Fig. 3 is the constitutional diagram of the utility model electric connector；

Fig. 4 is constitutional diagrams of the Fig. 3 from another visual angle；

Fig. 5 is the unassembled schematic diagram to insulating body of housing of the utility model electric connector；

Fig. 6 is along the sectional view of line A-A in Fig. 3；

Fig. 7 is the sectional view that waterproof case is equipped with the housing of the electric connector of the utility model；

Fig. 8 is along the sectional view of line B-B in Fig. 6；

Fig. 9 is along the sectional view of line C-C in Fig. 6.

The drawing reference numeral explanation of embodiment：

1 base portion of insulating body, 11 stage portion, 12 boss 13

14 first end subgroup of hyoplastron, 2 first ground terminal, 21 first contact site 211

First deviation portion, 212 second deviation portion, 213 first bending part, 214 first weld part 215

The 3rd deviation portion 312 of 3 second 31 second contact site 311 of ground terminal of second end subgroup

4th deviation portion the 3rd bending part of 313 second bending part 314,315 second weld part 316

Shield 4 side plate of piece, 41 fluting of connecting plate 42 43

5 grafting space of housing, 51 barricade, 52 groove 53

First 531 second the 3rd groove face of groove face 532 of groove face, 533 inserting section 54

55 accommodating chamber of fixed section, 56 banking stop, 57 extension 58

59 water proof ring of fixed feet, 6 waterproof case, 7 gap 8

【Embodiment】

For ease of being better understood from the purpose, structure, characteristics and efficacy of the utility model, in conjunction with attached drawing and specifically The utility model is described in further detail for embodiment.

As shown in Fig. 1, Fig. 6 and Fig. 7, a kind of electric connector of the utility model, (does not scheme to be soldered to a circuit board Show), including an insulating body 1, a hyoplastron 14 of the insulating body 1 including a base portion 11 and positioned at the front of base portion 11, Multiple terminals (non-label) are fixedly arranged on the base portion 11 and are revealed in the surface of the hyoplastron 14, and a shielding edge of piece 4 is embedded in described Hyoplastron 14 and the stage portion 12, a housing 5 are coated on the base portion 11 and the periphery of the hyoplastron 14, the housing 5 with it is described A grafting space 51 is formed between hyoplastron 14, the grafting space 51 is inserted into so that a pair of of connecting connector is (not shown), described There is a gap 8, from 5 internal face projection of housing, one barricade 52, the barricade between 5 internal face of housing and the base portion 11 52 positioned at the rear of the hyoplastron 14 and block is in the front of the base portion 11, from the rear end of the barricade 52 forward recessed one Groove 53, the groove 53 are connected with the gap 8, a waterproof case 7, are filled in the gap 8 and extend to the groove 53。

Include as shown in Figure 1, Figure 2 with Fig. 6, the insulating body 1 positioned at the base portion 11 of rear end and positioned at described in front end Hyoplastron 14, a stage portion 12 is extended to form forward from the base portion 11, and the hyoplastron is extended to form forward from the stage portion 12 14,14 part of hyoplastron is forwardly convex in outside the housing 5, and the stage portion 12 and the base portion 11 are respectively positioned on the housing In 5.The thickness of the stage portion 12 is more than the thickness of the hyoplastron 14 and is wrapped less than the thickness of the base portion 11, the barricade 52 It is overlying on the periphery of the rear side of stage portion 12.The size of the base portion 11 along the longitudinal direction is less than the stage portion 12 along front and rear The size in direction, the size of the stage portion 12 along the longitudinal direction are less than the size of the hyoplastron 14 along the longitudinal direction.In this reality Apply in example, the stage portion 12, in other embodiments, 11 He of base portion are equipped between the base portion 11 and the hyoplastron 14 The hyoplastron 14 can be not provided with the stage portion 12, and the barricade 52 is coated on 14 rear end of hyoplastron.The insulation Body 1 is located at the base portion along the longitudinal direction in the stage portion 12 at least one boss 13 of side transverse direction projection, the boss 13 Between 11 and the stage portion 12, the size of the boss 13 along the longitudinal direction is less than the ruler of the base portion 11 along the longitudinal direction It is very little, and the lateral edges of each boss 13, without departing from the lateral edges of the base portion 11, two boss 13 are respectively along described The center line of hyoplastron 14 is symmetrical set.In the present embodiment, the insulating body 1 is distinguished in 12 both lateral sides of stage portion Boss 13 described in projection, i.e., described boss 13 have two, in other embodiments, the insulating body 1 only side projection institute State boss 13.

Such as Fig. 1, Fig. 8 and Fig. 9, multiple terminals bury with the insulating body 1 edge and take shape in one, multiple terminals In have an at least terminal part be contained in the boss 13, in the present embodiment, there are four terminals in multiple terminals It is fixedly arranged on respectively in two boss 13, in other embodiments, can also only has a portion of terminal in multiple terminals Divide and be fixed on a boss 13.Multiple terminals include being arranged in a first end subgroup 2 of 14 upper surface of hyoplastron With the second end subgroup 3 for being arranged in 14 lower surface of hyoplastron, 2 outermost of first end subgroup has two first ground connection Terminal 21,3 outermost of second end subgroup have two the second ground terminals 31, and two boss 13 partly coat described One ground terminal 21 and second ground terminal 31, i.e. two first ground terminals 21 and two second ground terminals Son 31 is partly fixed in the boss 13.In the present embodiment, the first end subgroup 2 and the second end subgroup 3 Terminal arrangement order is identical, in addition to first ground terminal 21 and second ground terminal 31, the first terminal Group 2 and the second end subgroup 3 include two pairs of signal terminals (non-label) and two electricity between two pairs of signal terminals Source terminal (non-label).First ground terminal 21 has one first contact site 211, one first deviation portion successively from front to back 212nd, one second deviation portion 213, one first bending part 214 and one first weld part 215, first contact site 211 appear In the upper surface of the hyoplastron 14, the first deviation portion 212 is directed away from the hyoplastron 14 from first contact site 211 Centerline direction deviates, and the stage portion 12 is fixed in the first deviation portion 212, the second deviation portion 213 and described the The deviation direction in one deviation portion 212 is identical, and first bending part 214 bends downward extension shape from the second deviation portion 213 Into and be fixed on the base portion 11, first weld part 215 is from second bending part 314 horizontal-extending formation backward.Institute The width for stating the second deviation portion 213 is more than the width of first weld part 215 and the width of first contact site 211, institute State the second deviation portion 213 and be fixed on the boss 13, the setting in the first deviation portion 212 and the second deviation portion 213 is not The part width of first ground terminal 21 can only be increased, and other ends in the first end subgroup 2 can be widened Spacing between son so that the first end subgroup 2 can transmit high current, and the second deviation portion 213 is fixed on described convex Platform 13, the boss 13 are coated on the second deviation portion 213, avoid exposing outside the insulating body 1 and influencing described first The earthing effect of ground terminal 21.Second ground terminal 31 has one second contact site 311, one the 3rd successively from front to back Deviation portion 312, one the 4th deviation portion 313, one second bending part 314 and one second weld part 316.Second contact site 311 are revealed in the lower surface of the hyoplastron 14, and the 3rd deviation portion 312 is directed away from described from second contact site 311 The centerline direction offset of hyoplastron 14, and the stage portion 12, the 4th deviation portion are fixed in the 3rd deviation portion 312 313 is identical with the deviation direction in the 3rd deviation portion 312, and second bending part 314 is upward from the 4th deviation portion 313 Bending extends to form, and is fixed on the base portion 11.The 4th deviation portion 313 is located at the boss 13, the 3rd deviation The setting in portion 312 and the 4th deviation portion 313 can not only increase the part width of second ground terminal 31, Er Qieneng Enough widen the spacing between other terminals in the second end subgroup 3 so that the second end subgroup 3 can transmit big electricity The boss 13 is fixed in stream, the 4th deviation portion 313, and the boss 13 is coated on the 4th deviation portion 313, avoids revealing Go out outside the insulating body 1 and influence the earthing effect of second ground terminal 31.Second weld part 316 and described the One weld part 215 is stretched out outside the base portion 11, and second weld part 316 and first weld part 215 are positioned at same Row, in the present embodiment, other terminals in the first end subgroup 2 also have first weld part 215, the second end Other terminals in subgroup 3 also have second weld part 316, and multiple second weld parts 316 and multiple described the One weld part 215 is located at same row, so as to effectively save the space of circuit board, and convenient welding.In the present embodiment In, second ground terminal 31 has one the 3rd bending between second bending part 314 and second weld part 316 Portion 315, the overbending direction of the 3rd bending part 315 is identical with the overbending direction of first bending part 214, and described second is curved The overbending direction of the overbending direction of folding part 314 and first bending part 214 is on the contrary, i.e. described second bending part 314 is bent up Folding extension, the 3rd bending part 315 bend downward extension from second bending part 314, and second weld part 316 is from institute State the horizontal-extending formation backward of the 3rd bending part 315 so that second weld part 316 can be with first weld part 215 Positioned at same row.

Such as Fig. 1, Fig. 3 and Fig. 6, the shielding piece 4 is inlayed together with the first end subgroup 2 and the second end subgroup 3 Bury and take shape in the insulating body 1, the shielding piece 4 is only embedded in the hyoplastron 14 and the stage portion 12, is not extended to The base portion 11.The shielding piece 4 is between the first end subgroup 2 and the second end subgroup 3, to shield described the Signal interference between one terminal group 2 and the second end subgroup 3.The shielding piece 4 have the biside plate 41 that is oppositely arranged with And a connecting plate 42 of two 41 front ends of side plate of connection, two side plates 41 and the connecting plate 42 surround rear end jointly One fluting 43 of opening, the lateral edges of two side plates 41 protrude from the two sides of hyoplastron 14 respectively, to be docked with described Connector is mutually buckled.The bottom surface of two first ground terminals 21 is connected to the top surface of two side plates 41 respectively, two The corresponding bottom surface for being connected to two side plates 41, i.e., each side plate 41 are right respectively for the top surface of second ground terminal 31 Should between each first ground terminal 21 and each second ground terminal 31, and with first ground terminal 21 and second ground terminal 31 it is in electrical contact so that the electric connector has good shield effectiveness.Described first connects The sum of ground terminal 21, the thickness of second ground terminal 31 and 4 three of the shielding piece vertically and the hyoplastron 14 thickness vertically is equal, effectively reduces the volume of the electric connector, is thinned the electric connector.

Such as Fig. 4, Fig. 5 and Fig. 6, the housing 5 is made of the mode of powder metallurgy, therefore the housing 5 is metal material It is made, the housing 5 can play the first end subgroup 2 and the second end subgroup 3 in the work of shielding external electromagnetic interference With.The housing 5 is sheathed on the periphery of insulating body 1 from front to back, and 14 front end of hyoplastron protrudes from 5 front end of housing Face, has the gap 8 between 11 outside wall surface of 5 internal face of housing and the base portion, the gap 8 is set along the longitudinal direction Put, the gap 8 is elongated.The recessed annular groove in 5 front end of housing, a water proof ring 6 are sheathed on the annular groove.It is described The continuous circle of projection one of internal face of barricade 52 from the housing 5 is formed, therefore the barricade 52 is ring-shaped so that the barricade 52 It can be good at base portion 11 described in block.In the present embodiment, described in the circle formation of internal face one projection one from the housing 5 Barricade 52, in other embodiments, the barricade 52 can not enclose from 5 projection one of housing, but from the portion of the housing 5 Internal face projection is divided to be formed, as long as ensureing 52 block of barricade in the front of the base portion 11.The barricade 52 is located at The rear of the hyoplastron 14 and block is in the front of the base portion 11, avoids the housing 5 from occurring with the insulating body 1 de- From enabling the housing 5 to be firmly fixed to the insulating body 1.The rear end face of the barricade 52 and the base portion 11 Front end face abuts against, and the side wall of the barricade 52 and the side wall of the boss 13 abut against, so as to prevent glue to Preceding infiltration, avoids steam or glue from penetrating into the grafting space 51.From the rear end of the barricade 52 recessed formation groove forward 53, the recessed circle of rear end face of the groove 53 from the barricade 52 is formed, the cyclic shape of groove 53, the gap 8 For ring-type, so that the groove 53 is connected everywhere with the gap 8.Before the groove 53 does not run through the barricade 52 End face, i.e., the front end of described groove 53 is closed.The rear end of the groove 53 is opening-like so that the groove 53 with it is described Gap 8 is connected.In the present embodiment, the recessed circle of the rear end face of the groove 53 from the barricade 52 is formed, in other realities Apply in example, the groove 53 can not it is recessed one circle, the only recessed formation in portion rear end face from the barricade 52, as long as ensure institute Groove 53 is stated with the gap 8 to be connected.5 rear end of housing has an accommodating chamber 56, and the accommodating chamber 56 is located at institute Between stating 5 rear end face of 11 rear end face of base portion and the housing, 7 dispensing of waterproof case takes shape in the accommodating chamber 56 and extends to The gap 8 and the groove 53, first weld part 215 and second weld part 316 run through the waterproof case 7, institute State waterproof case 7 and the accommodating chamber 56 is formed at by the molding mode of dispensing, to seal the rear end of the housing 5, avoid the external world Steam enter the electrical connector interior, and can seal first weld part 215 and second weld part 316 Well.Since the groove 53 is connected with the gap 8, the waterproof case 7 is filled in the gap 8 and extends to described recessed Groove 53, makes the electric connector have preferable water resistance, and when the waterproof case 7 is in gum forming, the groove 53 is used To house the glue penetrated into forward from the gap 8, glue is avoided to penetrate into further along, and the barricade 52 is further Block glue flows into the hyoplastron 14, so as to avoid excessive glue is deposited at the hyoplastron 14 and influences the electrical connection The grafting of device, and prevent glue to pollute the terminal, ensure that the electric connector has good electrical connection properties.

Such as Fig. 5, Fig. 6 and Fig. 7, since the groove 53 is from the rear end recessed formation, and described forward of the barricade 52 The rear end face of barricade 52 is connected to the front end face of the base portion 11, therefore after the setting of the groove 53 reduces the barricade 52 The area of end face, makes the rear end face of the barricade 52 and the front end face of the base portion 11 is bonded closer, abuts more firm, avoids There is gap, prevent glue from being oozed out from the groove 53 and entering hyoplastron 14.The groove 53 has one the be oppositely arranged One groove face 531 and one second groove face 532 and one the 3rd groove face for connecting first groove face 531 and second groove face 532 533, first groove face 531 and second groove face 532 are horizontally disposed, and the 3rd groove face 533 is along vertical side To setting, the internal face of first groove face 531 and the housing 5 coincides.Before 3rd groove face 533 and the base portion 11 The distance between end face is greater than or equal to the groove 53 recessed length along the longitudinal direction, in the present embodiment, the described 3rd The distance between groove face 533 and 11 front end face of base portion are equal to the groove 53 recessed length along the longitudinal direction, i.e., described in The rear end face of barricade 52 and the front end face of the base portion 11 abut against.Between first groove face 531 and second groove face 532 Distance be more than the height of the gap 8 vertically, i.e., the depth of described groove 53 is deeper so that the groove 53 can be with The glue oozed out from the gap 8 is fully accommodated, avoids glue from continuing to permeate forward.

Such as Fig. 4, Fig. 6 and Fig. 7, the housing 5 has an inserting section 54 in the front side of the barricade 52, and in the barricade 52 rear side has a fixed section 55, and the grafting space 51 is formed at the inserting section 54, and the fixed section 55 is coated on institute The periphery of base portion 11 is stated, the thickness of the fixed section 55 vertically is more than the thickness of the inserting section 54 vertically, institute State the thickness of barricade 52 vertically and be less than the thickness of the fixed section 55 vertically, the front end face of the barricade 52 with The internal face of the inserting section 54 is connected, and the rear end face of the barricade 52 is connected with the internal face of the fixed section 55.From The rear end both sides of a housing 5 horizontal-extending extension 58 respectively backward, it is solid to extend one from the extension 58 straight down Foot 59 is determined to be soldered to the circuit board.In the both sides up and down of the accommodating chamber 56, opposite bending is equipped with the housing 5 respectively An at least banking stop 57, between the banking stop 57 and the base portion 11, the banking stop 57 supports for 7 part of waterproof case 11 rear end face of base portion is held in, the setting of the banking stop 57 can not only limit 11 rearward displacement of base portion, prevent institute Insulating body 1 and 5 matching loose of housing are stated, enhances the structural stability of the electric connector, while institute can be fixed Waterproof case 7 is stated, avoids the waterproof case 7 that glue occurs and splits.In the present embodiment, the banking stop 57 has four, is located at respectively The both sides up and down of the accommodating chamber 56, the fixed feet 59 is vertically between the banking stop 57 of upper and lower both sides. In the present embodiment, the housing 5 is metal material, and in other embodiments, the housing 5 can be isolation material.

Such as Fig. 1, Fig. 6 and Fig. 7, during assembling, first by the first end subgroup 2, the second end subgroup 3 and the shielding Piece 4 buries with the insulating body 1 edge and takes shape in one, and the housing 5 is made in a manner of powder metallurgy, the housing 5 The banking stop 57 is horizontal in original state, to facilitate the housing 5 to be assembled with the insulating body 1, then by described in Housing 5 is sheathed on the periphery of insulating body 1 from front to back, the barricade 52 is held in 11 front end face of base portion, described The side wall of barricade 52 and the side wall of the boss 13 abut against, after the completion of to be assembled, using gauge by the banking stop 57 Vertically bending so that the banking stop 57 is held in the rear end face of the base portion 11, when the insulating body 1 with it is described After housing 5 assembles, glue is injected to the accommodating chamber 56, the glue fills the accommodating chamber 56 and penetrates into the gap 8, further penetrated into by the gap 8 in the groove 53, treat that injecting glue finishes, the glue solidifies forms the waterproof case 7 so that The waterproof case 7 is filled in the accommodating chamber 56 and the gap 8, and extends to the groove 53, and ends in the groove 53, to seal the gap between the rear end of the housing 5 and the housing 5 and the insulating body 1, make the electrical connection utensil There is higher waterproofing grade, finally by the electric connector welding to the circuit board, multiple first weld parts 215 and more A second weld part 316 is located at same row.

The electric connector of the utility model has the advantages that:

1. since the groove 53 is connected with the gap 8, the waterproof case 7 is filled in the gap 8 and extends to The groove 53, makes the electric connector have preferable water resistance, described recessed when the waterproof case 7 is in gum forming Groove 53 avoids glue from penetrating into further along housing the glue penetrated into forward from the gap 8, and the barricade 52 Further block glue flows into the hyoplastron 14, so as to avoid excessive glue is deposited at the hyoplastron 14 and is influenced described The grafting of electric connector, and prevent glue to pollute the terminal, ensure that the electric connector has good electrical connectivity Energy.

2. since the groove 53 is from the recessed formation forward of the rear end of the barricade 52, and the rear end face of the barricade 52 The front end face of the base portion 11 is connected to, therefore the setting of the groove 53 reduces the area of the rear end face of the barricade 52, makes The rear end face of the barricade 52 be bonded with the front end face of the base portion 11 it is closer, abut it is more firm, avoid the occurrence of gap, prevent Glue oozes out from the groove 53 and enters hyoplastron 14.

3. the waterproof case 7 is formed at the accommodating chamber 56 by the molding mode of dispensing, to seal the housing 5 Rear end, avoids the steam in the external world from entering the electrical connector interior, and can make first weld part 215 and described second 316 good seal of weld part.

4. the width in the second deviation portion 213 is more than the width of first weld part 215 and first contact site 211 width, the setting in the first deviation portion 212 and the second deviation portion 213 can not only increase first ground connection The part width of terminal 21, and the spacing between other terminals in the first end subgroup 2 can be widened so that described One terminal group 2 can transmit high current.

5. the second deviation portion 213 and the 4th deviation portion 313 are both secured to the boss 13, the boss 13 The second deviation portion 213 and the 4th deviation portion 313 are coated on, avoids exposing outside the insulating body 1 and described in influencing The earthing effect of first ground terminal 21 and second ground terminal 31.

6. the distance between first groove face 531 and second groove face 532 are more than the gap 8 vertically Height, i.e., the depth of described groove 53 is deeper so that the groove 53 can fully accommodate the glue oozed out from the gap 8 Water, avoids glue from continuing to permeate forward.

7. the banking stop 57 is held in 11 rear end face of base portion, the setting of the banking stop 57 can not only limit 11 rearward displacement of base portion, prevents the insulating body 1 and 5 matching loose of housing, enhances the electric connector Structural stability, while the waterproof case 7 can be fixed, avoid the waterproof case 7 that glue occurs and split.

8. first ground terminal 21, second ground terminal 31 and 4 three of the shielding piece are vertically Thickness with the hyoplastron 14 vertically of the sum of thickness it is equal, effectively reduce the volume of the electric connector, make institute State electric connector slimming.

Detailed description above is only the explanation of the preferred embodiment of the utility model, and non-therefore limitation the utility model is specially Sharp scope, so, all with this creation specification and diagramatic content institute, equivalence techniques changes for it, and it is specially to be both contained in this creation In sharp scope.

Claims (20)

1. A kind of 1. electric connector, it is characterised in that including：

   One insulating body, the insulating body include a base portion and the hyoplastron in front of the base portion；

   Multiple terminals, are fixedly arranged on the base portion and are revealed in the surface of the hyoplastron；

   One housing, is coated on the base portion and hyoplastron periphery, a grafting space is formed between the housing and the hyoplastron, There is a gap, from one barricade of inner walls face projection, the barricade position between the inner walls face and the base portion It is described from the rear end of a barricade recessed groove forward in the rear of the hyoplastron and block in the front of the base portion Groove is connected with the gap；

   One waterproof case, is filled in the gap and extends to the groove.
2. 2. electric connector as claimed in claim 1, it is characterised in that：From continuous one cast of the projection cyclization in the inner walls face The barricade of shape, the recessed circle of rear end face of the groove from the barricade are formed.
3. 3. electric connector as claimed in claim 1, it is characterised in that：The groove have one first groove face that is oppositely arranged and One second groove face and one the 3rd groove face for connecting first groove face and second groove face, first groove face and the shell Internal wall coincides, and the distance between the 3rd groove face and the base portion front end face are greater than or equal to the groove before and after The recessed length in direction.
4. 4. electric connector as claimed in claim 3, it is characterised in that：Between first groove face and second groove face away from From the height more than the gap vertically.
5. 5. electric connector as claimed in claim 1, it is characterised in that：The housing is made of the mode of powder metallurgy, from The rear end both sides of a housing horizontal-extending extension respectively backward, extends a fixed feet from the extension and uses straight down To be soldered to a circuit board.
6. 6. electric connector as claimed in claim 1, it is characterised in that：The housing has a grafting in the front side of the barricade Section, and there is a fixed section in the rear side of the barricade, the grafting space is formed at the inserting section, the fixed section cladding In base portion periphery, the thickness of the fixed section vertically is more than the thickness of the inserting section vertically, described The thickness of barricade vertically is less than the thickness of the fixed section vertically.
7. 7. electric connector as claimed in claim 1, it is characterised in that：The housing rear end has an accommodating chamber, the receiving For chamber between the base portion rear end face and the housing rear end face, the waterproof case dispensing takes shape in the accommodating chamber and extension To the gap and the groove.
8. 8. electric connector as claimed in claim 7, it is characterised in that：The housing is distinguished in the both sides up and down of the accommodating chamber Opposite bending is equipped with an at least banking stop, and the waterproof case part is described spacing between the banking stop and the base portion Piece is held in the base portion rear end face.
9. 9. electric connector as claimed in claim 1, it is characterised in that：A stage portion is extended to form forward from the base portion, from The stage portion extends to form forward the hyoplastron, and the thickness of the stage portion is more than the thickness of the hyoplastron and is less than the base The thickness in portion, the barricade are coated on the periphery of the stage portion.
10. 10. electric connector as claimed in claim 9, it is characterised in that：The insulating body is in the stage portion at least side Horizontal one boss of projection, the boss is along the longitudinal direction between the base portion and the stage portion, in multiple terminals The boss is contained in at least one terminal part.
11. 11. electric connector as claimed in claim 10, it is characterised in that：The insulating body is in the transverse direction two of the stage portion Side is convexly equipped with the boss respectively, and multiple terminals include being arranged in a first end subgroup and the arrangement of the hyoplastron upper surface A second end subgroup in the hyoplastron lower surface, the first end subgroup outermost has two the first ground terminals, described Second end subgroup outermost has two the second ground terminals, two boss partly coat first ground terminal and Second ground terminal.
12. 12. electric connector as claimed in claim 11, it is characterised in that：First ground terminal has successively from front to back One first contact site, one first deviation portion, one second deviation portion, one first bending part and one first weld part, described second The width in deviation portion is more than the width of first weld part, and the boss is fixed in the second deviation portion.
13. 13. electric connector as claimed in claim 12, it is characterised in that：Second ground terminal has successively from front to back One second contact site, one the 3rd deviation portion, one the 4th deviation portion, one second bending part and one second weld part, the described 4th Deviation portion is located at the boss, and second weld part is with first welding position in same row.
14. 14. electric connector as claimed in claim 13, it is characterised in that：Second ground terminal is in second bending part There is one the 3rd bending part, overbending direction and first bending part of the 3rd bending part between second weld part Overbending direction it is identical, the overbending direction of second bending part is opposite with the overbending direction of first bending part.
15. 15. electric connector as claimed in claim 11, it is characterised in that：One shielding piece edge is embedded in the hyoplastron and the step Portion and between the first end subgroup and the second end subgroup, the shielding piece have the biside plate that is oppositely arranged and A connecting plate of two side plate front ends is connected, two side plates and the connecting plate surround the one of open rearward end and open jointly Groove, the lateral edges of two side plates protrude from the two sides of the hyoplastron respectively.
16. 16. electric connector as claimed in claim 15, it is characterised in that：Each side plate, which corresponds to, is located at each described first Between ground terminal and each second ground terminal, and it is electrical with first ground terminal and second ground terminal Contact.
17. 17. electric connector as claimed in claim 16, it is characterised in that：First ground terminal, second ground terminal Thickness of the sum of the thickness of sub and described shielding piece three vertically with the hyoplastron vertically is equal.
18. 18. electric connector as claimed in claim 10, it is characterised in that：The size of the base portion along the longitudinal direction is less than described The size of stage portion along the longitudinal direction, the size of the boss along the longitudinal direction are less than the size of the base portion along the longitudinal direction.
19. 19. electric connector as claimed in claim 10, it is characterised in that：The barricade is ring-shaped, the rear end of the barricade Face and the front end face of the base portion abut against, and the side wall of the barricade and the side wall of the boss abut against.
20. 20. electric connector as claimed in claim 1, it is characterised in that：The front end sleeve of the housing is equipped with a water proof ring, described Hyoplastron part is forwardly convex in outside the housing.