CN207705454U - Electric connector - Google Patents

Abstract

The utility model provides a kind of electric connector, it includes insulating body, several conducting terminals being fixed in insulating body, snap close piece and the shielding casing being coated on outside insulating body, conducting terminal includes the first end subgroup and second end subgroup in two rows of settings along short transverse, first end subgroup is corresponding with second end subgroup and reversed arrangement, insulating body includes pedestal and respectively with described first, the integrally formed upper body of second end subgroup and lower body, pedestal has the roof being oppositely arranged, bottom wall and with top, the connected a pair of sidewalls of bottom wall, roof, bottom wall and side wall, which enclose, to be set to form an installation space, and the installation space is recessed forward from the rear end of the pedestal, on, lower body is inserted into installation space from back to front, on and, the leading portion of lower body is corresponded to by roof and bottom wall and is covered.Creepage distance between the power supply terminal and shielding casing of the electric connector is larger, and product safety performance is higher.

Description

Electric connector

Technical field

The utility model is related to connector technique field more particularly to it is a kind of can positive anti-plug electric connector.

Background technology

With the rapid development of electronics industry science and technology, the volume of electronic product is even more along more and more frivolous, short and small Trend development, this also requires the spare part size of electronic product smaller and smaller, and connector industry be even more stand in the breach.

Due to requiring the smaller of USB Type-C connectors of new generation, this leads to, production more preferable to mechanical property requirements Product design difficulty higher.In order to towards more frivolous, more very thin equipment, and ensure the reliability of product structure, major producer is confused Confusingly release corresponding structure design.

Existing USB Type-C electric connectors, generally included upper end submodule, center shield, lower end submodule, Pedestal and shielding casing, wherein lower end submodule include lower insulating part and multiple lower conductions with lower insulating part produced by insert molding Terminal, upper end submodule include upper insulating part and multiple upper conducting terminals with upper insulating part produced by insert molding, center screen Shield is located between lower end submodule and upper end submodule, before pedestal assembles or takes shape in lower end submodule and upper end submodule Side, however shielding casing is directly covered on the outside of the upper and lower insulating part, to lead to climbing between power supply terminal and shielding casing Electrical distance is closer, and the safety of product is weaker.

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

Utility model content

The purpose of this utility model is to provide a kind of electric connectors that safety can be improved.

To realize that above-mentioned purpose of utility model, the utility model provide a kind of electric connector comprising insulating body is consolidated It is described due to several conducting terminals, snap close piece and the shielding casing being coated on outside the insulating body in the insulating body Conducting terminal includes the first end subgroup and second end subgroup in two rows of settings, the first end subgroup and second along short transverse Terminal group is corresponding and reversed arrangement, the insulating body include pedestal and respectively with first, second terminal group one at The upper body and lower body of type, the pedestal have the roof being oppositely arranged, bottom wall and a pair of sidewalls being connected with top, bottom wall, The roof, bottom wall and side wall, which enclose, to be set to form an installation space, and the installation space is recessed forward from the rear end of the pedestal, The upper and lower ontology is inserted into from back to front in the installation space, and the leading portion of the upper and lower ontology is by the roof and bottom wall It is corresponding to cover.

The upper and lower ontology all has main part as a further improvement of the utility model, main body extends forward Engaging portion and the mounting portion that extends back of main body, the engaging portion be forwardly inserted in the installation space and cover in institute State roof or inside bottom wall.

The engaging portion is resisted against forward on front side of the installation space as a further improvement of the utility model, Mounting surface.

The appearance in short transverse of the engaging portion of the upper and lower ontology as a further improvement of the utility model, Face is arranged compared to the median plane of the outer surface of main part closer to the electric connector, so that the front end of the main part is formed The blocking surface being arranged towards the pedestal.

It is described as a further improvement of the utility model, to stop the rear end face for being resisted against the pedestal forward.

The snap close piece is located at along short transverse in the insulating body as a further improvement of the utility model, Centre, and with base portion, the lock catch arm extended forward from base portion and the rear end face for extending backward more than insulating body from base portion Leg, the upper body and lower body are respectively equipped with mutually matched fin and groove, and the fin and groove are located at the base The front side in portion.

It is formed with as a further improvement of the utility model, for butt-joint socket connector on the inside of the pedestal front The receiving space being inserted into forward or backwards, a pair of sidewalls of the pedestal are respectively equipped with fluting to accommodate corresponding lock catch arm, and one It is laterally outwardly open respectively to the fluting and from the rear end of the pedestal extend forward with receiving space cross connection.

The fluting is not connected to the installation space as a further improvement of the utility model,.

The main part of the upper and lower ontology is between the both sides on horizontal direction as a further improvement of the utility model, Every forming a pair of of short slot, the short slot is aligned with the fluting of respective side along the longitudinal direction respectively to be arranged to accommodate the lock catch arm.

The shielding casing is sheathed on the outer of the insulating body from front to back as a further improvement of the utility model, Side, and include frame and from the frame projection and a pair of of the extension being oppositely arranged backward.

The utility model has the beneficial effects that：In the utility model between the power supply terminal and shielding casing of electric connector Creepage distance is larger, and product safety performance is higher.

Description of the drawings

Fig. 1 is the three-dimensional assembly diagram of the utility model electric connector；

Fig. 2 is the view at another visual angle of electric connector shown in Fig. 1；

Fig. 3 is the stereogram exploded view after electric connector shown in Fig. 1 removes shielding casing；

Fig. 4 is the view at another visual angle of electric connector shown in Fig. 3；

Fig. 5 is the part assembling figure of electric connector shown in Fig. 3；

Fig. 6 is the optical cable of electric connector shown in Fig. 1；

Fig. 7 is the view at another visual angle of electric connector shown in Fig. 6；

Fig. 8 is the sectional view along Fig. 1 center lines A-A；

Fig. 9 is the further assembling figure of electric connector shown in Fig. 5.

Specific implementation mode

The utility model is described in detail below with reference to each embodiment shown in the drawings.But these embodiments It is not intended to limit the utility model, structure, method or the work(that those skilled in the art are made according to these embodiments Transformation on energy is all contained in the scope of protection of the utility model.

It please refers to shown in Fig. 1 to Fig. 9, is the preferred embodiment of the utility model electric connector 100, the electric connector 100 include insulating body 1, several conducting terminals 2 being fixed in the insulating body 1, snap close piece 3 and be coated on the insulation Shielding casing 4 outside ontology 1.

Please be shown in Fig. 3 to Fig. 9, the insulating body 1 includes pedestal 11, upper body 12 and lower body 13, the upper body 12 with lower body 13 along the short transverse stack assembly of electric connector 100 together with, the pedestal 11 is fixed on the upper body 12 and lower body 13 front side.In the present embodiment, 11 oval column of the pedestal is arranged, and 11 inside of the pedestal is formed There is the receiving space 110 being inserted into forward or backwards for butt-joint socket connector.

The pedestal 11 has the roof 111 being oppositely arranged, bottom wall 112 and the offside being connected with top, bottom wall 111,112 Wall 113, the roof 111, bottom wall 112 and side wall 113, which enclose, to be set to form an installation space 114, and the installation space 114 is described in The rear end face 115 of pedestal 11 is recessed forward, and the upper and lower ontology 12,13 is inserted into from back to front in the installation space 114, and The leading portion of the upper and lower ontology 12,13 is corresponded to by the roof 111 and bottom wall 112 and is covered, so to promote power supply terminal and hide The creepage distance between shell 4 is covered, to increase the safety of product.

Several along the longitudinal direction by its perforative terminal groove 116, the not edge of the terminal groove 116 is equipped in the pedestal 11 Short transverse runs through 11 corresponding roof 111 of pedestal and bottom wall 112, and from the point of view of upside or downside, the conducting terminal 2 is not It is exposed to 112 outside of roof 111 or bottom wall of the pedestal 11, therefore is drawn without using insulation wheat in the upper and lower side of pedestal 11, Reduce amount of parts, reduce the cost of manufacture of product, while decreasing the assembling procedure of product so that assembling product It is easier, effectively increase the production efficiency of product.

The pedestal is formed with the receiving space being inserted into forward or backwards for butt-joint socket connector on the inside of 11 front 110, a pair of sidewalls 113 of the pedestal is respectively equipped with fluting 1131, and a pair of fluting 1131 laterally outwardly opens simultaneously respectively And from the rear end face of the pedestal 11 115 extend forward with 110 cross connection of the receiving space.After the pedestal 11 Portion, the fluting 1131 in transverse direction run through corresponding side wall 113 so that the fluting 1131 not with it is described Installation space 114 is connected to.

The upper and lower ontology 12,13 all has main part 121,131, the engaging portion that main body 121,131 extends forward 122,132 and the mounting portion 123,133 that extends back of main body 121,131, the engaging portion 122,132 be forwardly inserted described In installation space 114 and cover in 112 inside of the roof 111 or bottom wall.The engaging portion 122,132, which is resisted against forward, to be located at The mounting surface 117 of 110 front side of the installation space.

The upper body 12 and lower body 13 are respectively equipped with mutually matched fin 124 and groove 134, the fin 124 And groove 134 is set on the engaging portion 122,132.

The main part 121,131 of the upper and lower ontology 12,13 forms a pair of of short slot in the both sides interval on horizontal direction 118, the short slot 118 laterally outwardly opens respectively, and respectively with the fluting of respective side 1131 along the longitudinal direction be aligned setting with Accommodate the lock catch arm 32 of the snap close piece 3.

The outer surface in short transverse of the engaging portion 122,132 of the upper and lower ontology 12,13 is compared to main part 121, the median plane of 131 outer surface closer to the electric connector 100 is arranged, so that the front end of the main part 121,131 The blocking surface 1211,1311 being arranged towards the pedestal 11 is formed, the blocking surface 1211,1311 is resisted against forward the pedestal 11 rear end face 115.

It please refers to Fig. 3 to Fig. 5 and combines shown in Fig. 8 to Fig. 9, the conducting terminal 2 includes being set in two rows along short transverse The first end subgroup 21 and second end subgroup 22 set, the first end subgroup 21 is corresponding with second end subgroup 22 and reversed row Cloth, and it is consistent with the terminal arrangement of USB Type C of standard.The first end subgroup 21 is inlayed with second end subgroup 22 and is buried respectively It is fixed in upper body 12 and lower body 13, to form upper end sub-component and lower end sub-component.Often row's terminal group, which all has, is located at If outermost a pair of ground terminal, a pair of power source terminals on the inside of corresponding ground terminal and between power supply terminal Dry signal terminal.

Each conducting terminal 2 has the elastic contact arm 201 protruded into the receiving space 110, is fixed on Holding parts 202 in ontology 12 or lower body 13 and the tail portion 203 that insulating body 1 is extended back and stretched out from holding parts 202, The contact arm 201 is relatively arranged on the upper side and lower side of receiving space 110 in two rows.In the present embodiment, the contact arm 201 protrude into upward or downward in receiving space 110, and with the contact site 2011 positioned at its free end, the contact site 2011 towards 201 projection of corresponding contact arm in another row.

The contact site 2011 of conducting terminal 2 in the first, second terminal group 21,22 is arranged with respect to projection, and respectively It is set to the upper side and lower side of the receiving space 110, by the tongue piece of a butt connector（It is not shown）It is held on described connect Between contact portion 2011.Position setting of the contact site 2011 of first end subgroup 21 and second end subgroup 22 on insulating body 1 is equal It is installed with the docking site of respective terminal on the USB Type-C pin connectors of standard identical.

It please refers to Fig. 3 to Fig. 5 and combines shown in Fig. 8 to Fig. 9, the snap close piece 3 is metal material, and along short transverse position In the center of the insulating body 1.In the present embodiment, the institute that the snap close piece 3 includes base portion 31, extends forward from base portion 31 It states lock catch arm 32 and extends backward more than the rear end face of insulating body 1 from base portion 31 for being welded in circuit board（It is not shown）On Leg 33 so that snap close piece 3 has both earthing effect.

The snap close piece 3 be bilateral symmetry, the leg 33 extend in the same direction and positioned at circuit board homonymy, so with Weld job convenient for manufacture and with circuit board.The base portion 31 is whole to be designed in the form of sheets, and the lock catch arm 32 is in pairs described in 31 both sides of base portion extend in the same direction, and are transversely set to the outside of the conducting terminal 2, and each lock catch arm 32 has The cantilever 321 that is connect with base portion 31 and the snap-lock projections 322 for being set to 321 end of cantilever, the lock catch arm 32 being arranged in pairs On 322 opposite projection of snap-lock projections.The lock catch arm 32 is contained in corresponding fluting 1131, the upper lower body 12,13 Fin 124 and groove 134 be located at the front side of the base portion 31.

The base portion 31 includes extending transversely and fixed part 311 in a strip shape, to be relatively arranged on the fixed part 311 horizontal A pair of of projection 312 of both sides, several perforation 313 along short transverse through setting and trepanning 314, the projection on direction The extending direction of the extending direction in portion 312 and the lock catch arm 32 is on the contrary, specifically, and the projection 312 is from the fixation Projection is formed outward and backward for the both sides in portion 311, and the leg 33 extends back from corresponding projection 312.

In the present embodiment, the perforation 313 and trepanning 314 arrange in transverse direction, and the perforation 313 and trepanning 314 quantity are a pair, and a pair of trepanning 314 is located at the both sides on horizontal direction, namely a pair of perforation 313 Between a pair of trepanning 314, and the trepanning 314 in opening outward on horizontal direction.The perforation 313 and trepanning 314 are inserted through for the correspondence protruded stigma on upper and lower ontology 12,13 respectively.

The base portion 31 also has a crossbeam 315 for being located at the perforation 313 and the front of trepanning 314, when assembling, the lock The base portion 31 of part 3 is fixed in the insulating body 1, and the lock catch arm 32 protrudes into receiving space 110, and vertically side To between the first, second terminal group 21,22, the upper and lower both sides of the crossbeam 315 are contained in upper and lower ontology 12,13 respectively Container 125,135 in.

The front end of the shielding casing 4 has the interface frame, mating frame mouth of ellipse, is connect with the USB Type-C plugs of standard The interface frame, mating frame mouth of device is consistent, coordinates for the positive and negative insertion with butt-joint socket connector, just with the applicable use of positive anti-plug Prompt sexual clorminance.The shielding casing 4 has frame 41 and from frame 41 projection and a pair of of the extension being oppositely arranged backward 42, the extension 42 is the roof and bottom wall rear end part of the shielding casing 4, and each extension 42 is bent towards its inside Equipped with a pair of of shrapnel 421, wherein an extension 42 also has the notch 422 being located therein in transverse direction, the notch 422 It is recessed forward from the rear end of shielding casing 4；It in other embodiments, also can be on a pair of of extension 42 of shielding casing 4 Open up the corresponding notch 422.The shielding casing 4 also has the company that the extension 42 is connected with the frame 41 Socket part 43, the interconnecting piece 43 tilt upward extension so that the extension 43 is located at the framework along short transverse from front to back The roof in portion 41 or the outside of bottom wall.The roof and/or bottom wall of the shielding casing 4 are equipped with a pair of of slit 44, and this is to slit 44 be located at homonymy the extension 42 in transverse direction on both sides.

The shielding casing 4 is sheathed on the outside of the insulating body 1 from front to back, wherein the frame 41 is sheathed on Outside the pedestal 11, main part 121,131 and engaging portion 122,132, the convex block 136 of 13 bottom of lower body setting is limited in described In notch 422.The insertion section 127,137 that 12,13 outside of upper and lower ontology is arranged is inserted into and is contained in corresponding slit from back to front In 44, the extension 42 is located at both sides of the mounting portion 123,133 of the insulating body 1 in short transverse.It is described The shrapnel 421 of shielding casing 4 is stretched into respectively inwards in the accepting hole 131 of the insulating body 1.

It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book With the other embodiment of understanding.

Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model Body illustrates that they are all without departing from made by the utility model skill spirit not to limit the scope of protection of the utility model Equivalent implementations or change should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of electric connector comprising insulating body, several conducting terminals being fixed in the insulating body, snap close piece and The shielding casing being coated on outside the insulating body, the conducting terminal include the first terminal in two rows of settings along short transverse Group and second end subgroup, the first end subgroup is corresponding with second end subgroup and reversed arrangement, and the insulating body includes base Seat and respectively with the integrally formed upper body of first, second terminal group and lower body, the pedestal, which has, to be oppositely arranged Roof, bottom wall and a pair of sidewalls being connected with top, bottom wall, it is characterised in that：The roof, bottom wall and side wall, which enclose, to be set to form a peace Space is filled, and the installation space is recessed forward from the rear end of the pedestal, the upper and lower ontology is inserted into the peace from back to front It fills in space, and the leading portion of the upper and lower ontology is corresponded to by the roof and bottom wall and covered.

2. electric connector as described in claim 1, it is characterised in that：The upper and lower ontology all has main part, main body The mounting portion that the engaging portion and main body extended forward extends back, the engaging portion be forwardly inserted in the installation space and It covers in the roof or inside bottom wall.

3. electric connector as claimed in claim 2, it is characterised in that：The engaging portion is resisted against forward positioned at installation sky Between front side mounting surface.

4. electric connector as claimed in claim 2, it is characterised in that：The engaging portion of the upper and lower ontology along short transverse On outer surface be arranged compared to the median plane of the outer surface of main part closer to the electric connector so that the main part Front end forms the blocking surface being arranged towards the pedestal.

5. electric connector as claimed in claim 4, it is characterised in that：It is described to stop the rear end for being resisted against the pedestal forward Face.

6. electric connector as claimed in claim 2, it is characterised in that：The snap close piece is located at the insulation originally along short transverse The center of body, and with base portion, the lock catch arm extended forward from base portion and from after base portion extends backward more than insulating body The leg of end face, the upper body and lower body are respectively equipped with mutually matched fin and groove, and the fin and groove are located at The front side of the base portion.

7. electric connector as claimed in claim 6, it is characterised in that：It is formed with for patching on the inside of the pedestal front A pair of sidewalls of the receiving space that base connector is inserted into forward or backwards, the pedestal is respectively equipped with fluting to accommodate corresponding lock Buckle arm, a pair of fluting is laterally outwardly open respectively and extends forward with horizontal with receiving space from the rear end of the pedestal To connection.

8. electric connector as claimed in claim 7, it is characterised in that：The fluting is not connected to the installation space.

9. electric connector as claimed in claim 8, it is characterised in that：The main part of the upper and lower ontology is on horizontal direction Both sides interval form a pair of of short slot, it is described to accommodate that the short slot is aligned setting along the longitudinal direction with the fluting of respective side respectively Lock catch arm.

10. electric connector as claimed in claim 9, it is characterised in that：The shielding casing is sheathed on described exhausted from front to back The outside of edge ontology, and include frame and from the frame projection and a pair of of the extension being oppositely arranged backward.