CN208655957U - Electric connector - Google Patents

Abstract

The utility model provides a kind of electric connector, its insulating body, several conductive terminals being fixed in the insulating body, snap close piece and the shielding casing being coated on outside insulating body, the conductive terminal includes the first end subgroup and second end subgroup along short transverse in two rows of settings, the arrangement corresponding and reversed with second end subgroup of first end subgroup, insulating body includes having the pedestal of accommodating space and respectively with first, the integrally formed upper body of second end subgroup and lower body, each conductive terminal has the elastic contact arm protruded into the accommodating space, the holding parts being fixed in upper body or lower body and tail portion, each conductive terminal also has the linking arm between contact arm and holding parts, linking arm has the prepressing structure with the terminal groove interference engagement being arranged on pedestal, so that contact arm precompressed is positioned at pedestal It is interior.The utility model electric connector can effectively ensure that the contact portion high consistency of conductive terminal.

Description

Electric connector

Technical field

The utility model relates to a kind of electric connectors.

Background technique

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 connector of new generation, this leads to, production more preferable to mechanical property requirements Product design difficulty is higher.In order to towards more frivolous, more very thin equipment, and guarantee the reliability of product structure, major producer is confused Confusingly release corresponding structure design.

Existing USB Type-C pin connector, conductive terminal usually form two ends by way of injection molding Sub-component, then two terminal assemblies and the assembling of preceding ontology are constituted into an entirety, at this point, the contact arm on front side of conductive terminal is in outstanding Before arm is exposed in the accommodating space of ontology, since contact arm has certain length, it is difficult to ensure that on contact arm Contact site is in sustained height.

In view of this, it is necessary to existing electric connector be improved, to solve the above problems.

Utility model content

The purpose of this utility model is to provide a kind of contact portion high consistencies that can effectively ensure that conductive terminal Electric connector.

To realize above-mentioned purpose of utility model, the utility model provides a kind of electric connector, with insulating body, admittedly It is described due to several conductive terminals, snap close piece and the shielding casing being coated on outside the insulating body in the insulating body Conductive terminal includes the first end subgroup and second end subgroup along short transverse in two rows of settings, the first end subgroup and second Terminal group is corresponding and reversed arrangement, and the insulating body includes having the pedestal of accommodating space and respectively with described first, The integrally formed upper body of two-terminal group and lower body, each conductive terminal have the bullet protruded into the accommodating space Property contact arm, the holding parts being fixed in upper body or lower body and the tail that insulating body is extended back and stretched out from holding parts Portion, each conductive terminal also have a linking arm between contact arm and the holding parts, the linking arm have with The prepressing structure for the terminal groove interference engagement being arranged on the pedestal, so that the contact arm precompressed is positioned in the pedestal.

The prepressing structure is the linking arm in two sides in its transverse direction as a further improvement of the utility model, The those widened sections of formation so that the linking arm in transverse direction on width it is big compared with the width of the contact arm.

The holding parts and the linking arm are located at identical height, and institute as a further improvement of the utility model, Contact arm is stated to extend forward from the front end of the linking arm.

First, second terminal group buries molding with upper and lower ontology edge respectively as a further improvement of the utility model, It is integrated and constitutes upper and lower end sub-component, the upper and lower end sub-component is assembled into pedestal forward from the rear side of pedestal, and is made The contact arm is suspended in corresponding terminal groove and is exposed in the accommodating space.

The contact arm is in cantilever-shaped as a further improvement of the utility model, on direction from back to front, court It tilts and extends to the direction of the horizontal central plane close to the electric connector.

Divide on the inner surface that the upper body and the lower body are oppositely arranged as a further improvement of the utility model, Not She You mutually matched first groove and fin, mutually matched second groove and positioning column, first groove and fin It is in the lengthwise shape structure extended in transverse direction, is evenly distributed with several ridges on the outer surface of the positioning column.

The U-shaped receiving portion that also there is the lower body upward projection to be formed as a further improvement of the utility model, and There is downward projection to be arranged and be inserted into the locating piece in container for the container being formed in the receiving portion, the upper body.

As a further improvement of the utility model, the snap close piece include base portion, the lock catch arm that extends forward from base portion And the rear end face of insulating body is extended backward more than from base portion for being welded in the leg on circuit board, the base portion includes edge It is laterally extended and fixed part in a strip shape, a pair of of the projection for being relatively arranged on two sides in the fixed part transverse direction, it is described Projection projects the two sides for being formed in the fixed part outward in transverse direction, to be electrically connected with the shielding casing.

The base portion is dashed forward before also having projection forward and spaced a pair as a further improvement of the utility model, Portion and positioned at this to the limiting slot between preceding protrusion, the receiving portion is limited in the limiting slot.

The upper and lower ontology all has main part as a further improvement of the utility model, forward from the main part The mounting portion that the engaging portion of extension and main body extend back, the outer surface in the height direction of the engaging portion compared to The horizontal central plane of the outer surface of main part closer to the electric connector is arranged, so that the front end of the main part forms direction The blocking surface of the pedestal setting, the mounting surface for stopping to be resisted against the pedestal forward.

The utility model has the beneficial effects that the utility model electric connector passes through the holding parts and contact arm in conductive terminal Between prepressing structure is set, with pedestal interference engagement, and then realize and the precompressed of contact arm positioned, to guarantee the height of contact portion Degree is consistent, promotes the electric connection performance of product.

Detailed description of the invention

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 three-dimensional assembly diagram after the removing shielding casing of electric connector shown in Fig. 1.

Fig. 4 is the stereogram exploded view of electric connector shown in Fig. 3.

Fig. 5 is the view at another visual angle of electric connector shown in Fig. 4.

Fig. 6 is the upper and lower ontology of electric connector shown in Fig. 5 and the further exploded view of conductive terminal.

Fig. 7 is the part assembling figure of electric connector shown in Fig. 4.

Fig. 8 is the view at another visual angle of electric connector shown in Fig. 7.

Fig. 9 is the cross-sectional view of electric connector shown in Fig. 3.

Specific embodiment

The utility model is described in detail below with reference to embodiment shown in the drawings.But the embodiment is not Limit the utility model, structure that those skilled in the art are made according to the embodiment, method or functionally Transformation is all contained in the protection scope of the utility model.

It please join the preferred embodiment that Fig. 1 to Fig. 9 show the utility model electric connector 100, the electric connector 100 wraps It includes insulating body 1, several conductive terminals 2 being fixed in the insulating body 1, snap close piece 3 and is coated on the insulating body 1 Outer shielding casing 4.

Please join shown in Fig. 3 to Fig. 9, the insulating body 1 include pedestal 11, upper body 12 and lower body 13, it is described upper Body 12 and lower body 13 along the short transverse stack assembly of electric connector 100 together with, the pedestal 11 be fixed on it is described upper The front side of body 12 and lower body 13.In the present embodiment, the oval column of the pedestal 11 is arranged, the 11 inside shape of pedestal At the accommodating space 110 for thering is forwards open to be arranged, so that butt-joint socket connector is inserted into forward or backwards.

The pedestal 11 has the roof 111 being oppositely arranged, bottom wall 112 and the opposite side 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 mounting surface 115 of pedestal 11 is recessed forward, and the mounting surface 115 is located at 116 front side of rear end face of the pedestal 11.On described, Lower body 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 by the roof 111 and bottom wall 112 is corresponding covers, so to promote the creepage distance between power supply terminal and shielding casing 4, to increase product Safety.

Several along the longitudinal direction by its perforative terminal groove 117, the terminal groove 117 not edge is equipped in the pedestal 11 Short transverse runs through the corresponding roof 111 of pedestal 11 and bottom wall 112, and from the point of view of upside or downside, the conductive terminal 2 is not It is exposed to 112 outside of roof 111 or bottom wall of the pedestal 11, therefore is drawn in the upper and lower side of pedestal 11 without using insulation wheat, 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.

A pair of sidewalls 113 of the pedestal 11 is respectively equipped with fluting 1131, and a pair of 1131 difference of fluting is laterally outwardly It is open and from the rear end face 116 of the pedestal 11 extend forward with 110 cross connection of accommodating space.In the pedestal 11 rear portions, the fluting 1131 in transverse direction run through corresponding side wall 113, so that the fluting 1131 and the installation Space 114 is connected.

Each side wall 113 also has the wall extension 1132 for being located at 115 rear side of mounting surface, each wall extension 1132 Run through in transverse direction by ipsilateral fluting 1131 and be divided into spaced one pair of sub- wall extension, each sub- wall extension is from it Side is recessed outward forms a detent slot 1133, and the detent slot 1133 on the pair of sub- wall extension is set along short transverse alignment It sets.

It please join shown in Fig. 4 to Fig. 9, the upper and lower ontology 12,13 all has main part 121,131, main body 121, The mounting portion 123,133 that 131 engaging portions 122,132 extended forward and main body 121,131 extend back.In transverse direction On, the equivalent width of the main part 121,131 and corresponding engaging portion 122,132, and the width of the mounting portion 123,133 Width compared with the main part 121,131 is big, and the engaging portion 122,132 is forwardly inserted in the installation space 114 and covers In 112 inside of the roof 111 or bottom wall.Meanwhile the engaging portion 122,132 is located at the limit of 114 front side of installation space 117 rear side of plane, and stopped by the confined planes 117 to prevent from travelling forward.

The upper and lower ontology 12,13, which also has from the two sides in the main part 121,131 transverse directions, protrudes outward shape At detent portion 124,134, to be matched respectively with the corresponding detent slot 1133 being arranged on rear side of the pedestal 11.

The outer surface in the height direction of the engaging portion 122,132 of the upper and lower ontology 12,13 is compared to main part 121, the horizontal central plane of 131 outer surface closer to the electric connector 100 is arranged, so that the main part 121,131 Front end forms the blocking surface 1211,1311 being arranged towards the pedestal 11, and the blocking surface 1211,1311 is resisted against forward described The mounting surface 115 of pedestal 11.

It is recessed that mutually matched first is respectively equipped on the inner surface that the upper body 12 is oppositely arranged with the lower body 13 Slot 125 and fin 135, in the present embodiment, first groove 125 and fin 135 are in the lengthwise extended in transverse direction Shape structure, and be arranged on corresponding engaging portion 122,132.The inner surface of the upper body 12 and the lower body 13 has There are the second groove and positioning column, wherein the positioning column 127 in the upper body 12 and the second groove 136 in lower body 13 match Positioning is closed, the second groove 126 in the upper body 12 is matched with the positioning column 137 in lower body 13.In the present embodiment, Several ridges 1271,1371 are evenly distributed on the outer surface of the positioning column 127,137, to reinforce the positioning column and corresponding The second groove between interference engagement.

In addition, the lower body 13 has the U-shaped receiving portion 138 of upward projection formation and is formed in the receiving portion 138 Container 1380, the upper body 12 have downward projection be arranged and be inserted into the locating piece 128 in container 1380.

It please join shown in Fig. 3 to Fig. 8, the conductive terminal 2 includes the first end subgroup 21 along short transverse in two rows of settings And second end subgroup 22 (namely upper and lower two rows of conductive terminals), the first end subgroup 21 it is corresponding with second end subgroup 22 and Reversed arrangement.Wherein the first terminal group 21 inlays to bury respectively with second end subgroup 22 is fixed on upper body 12 and lower body 13 It is interior, to form upper end sub-component and lower end sub-component.Every row's terminal group all has a pair of of ground terminal on the outermost side, is located at A pair of power source terminals on the inside of corresponding ground terminal and several signal terminals between power supply terminal.

Each conductive terminal 2 has the elastic contact arm 201 protruded into the accommodating 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 accommodating space 110 in two rows.In the present embodiment, the contact arm 201 protrude into upward or downward in accommodating space 110, and have the contact portion 2011 positioned at its free end, the contact portion 2011 towards 201 projection of contact arm corresponding in another row.

The contact portion 2011 of conductive terminal 2 in the first, second terminal group 21,22 is arranged with respect to projection, by one The tongue piece (not shown) of docking connector is held between the contact portion 2011.First end subgroup 21 and second end subgroup 22 Connecing for respective terminal on USB Type-C pin connector with standard is arranged in the position on insulating body 1 in contact portion 2011 The setting of contact portion position is identical.Meanwhile the contact arm 201 is in cantilever-shaped, on direction from back to front, towards close to being electrically connected The direction inclination for connecing the horizontal central plane of device 100 extends.

In addition, each conductive terminal 2 also has the linking arm between contact arm 201 and the holding parts 202 204, prepressing structure is provided on the linking arm 204, the terminal groove 117 being arranged on the prepressing structure and the pedestal is interfered Cooperation, so that the linking arm 204 and 201 precompressed of contact arm are positioned in the pedestal.In the present embodiment, the linking arm 204 have be located at its transverse direction on two sides those widened sections 2041 so that the linking arm 204 in transverse direction on width compared with The width of the contact arm 201 is big, prepressing structure of the those widened sections 2041 as the conductive terminal 2；In other embodiments In, the prepressing structure of other forms, such as bur or convex closure etc. can also be set on linking arm 204.The holding parts 202 with The linking arm 204 is located at identical height, and the front end of the contact arm 201 from the linking arm 204 extends forward.

When assembling, the conductive terminal 2 buries with upper and lower ontology 12,13 edge respectively and is molded as one and constitutes upper and lower terminal Component, the upper and lower end sub-component are assembled into forward in pedestal 11 from the rear side of pedestal 11, and suspend the contact arm 201 In in corresponding terminal groove 117 and being exposed in the accommodating space 110, to be contacted with docking connector, the those widened sections 2041 with 117 interference engagement of terminal groove so that the linking arm 204 and 201 precompressed of contact arm are positioned at the pedestal 11 It is interior.The tail portion 203 of the conductive terminal 2 is divided into the two rows along short transverse setting, and is exposed to the upper and lower ontology 12,13 Rear side.

It please join Fig. 4 to Fig. 5 and combine shown in Fig. 7 and Fig. 8, the snap close piece 3 is metal material, and is located at along short transverse The center of the insulating body 1.In the present embodiment, the snap close piece 3 include base portion 31, extend forward from base portion 31 described in Lock catch arm 32 and the rear end face of insulating body 1 is extended backward more than from base portion 31 for being welded on circuit board (not shown) Leg 33, so that snap close piece 3 has both earthing effect.In the present embodiment, the snap close piece 3 is horizontally arranged on the whole, Base portion 31 is the plate structure placed in the horizontal direction.

The base portion 31 and lock catch arm 32 of the snap close piece 3 are bilateral symmetry, and the leg 33 is extended in the same direction and split In the two sides of circuit board.The base portion 31 is whole to be designed in the form of sheets, and the lock catch arm 32 is in the same direction from 31 two sides of base portion in pairs Extend, and be transversely set to the outside of the conductive terminal 2, each lock catch arm 32 has to be connect with base portion 31 Cantilever 321 and the snap-lock projections 322 for being set to 321 end of cantilever, the snap-lock projections 322 on the lock catch arm 32 being arranged in pairs Opposite projection.The lock catch arm 32 be contained in it is corresponding fluting 1131 in, the first groove 125 of the upper and lower ontology 12,13 and Fin 135 is 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 To on direction a pair of of projection 312 of two sides and along short transverse through a pair of of perforation 313 of setting, 312 edge of projection Transverse direction projects the two sides for being formed in the fixed part 311 outward, to be electrically connected with the shielding casing 4.The base portion 31 also have projection forward and it is spaced it is a pair of before protrusion 314 and positioned at this to the limiting slot 315 between preceding protrusion 314, The perforation 313 is aligned setting with the second groove 136 on the upper and lower ontology 12,13, for corresponding positioning column 127, 137 are inserted into and are positioned at wherein.The U-shaped receiving portion 138 formed in the lower body 13 is limited in the limiting slot 315, with Reinforce the positioning between the insulating body 1 and the snap close piece 3.

It please join shown in Fig. 1 to Fig. 2, the front end of the shielding casing 4 has the interface frame, mating frame mouth of ellipse, with standard The interface frame, mating frame mouth of USB Type-C pin connector is consistent, and the positive and negative insertion for butt-joint socket connector cooperates, and has positive and negative Insert applicable sexual clorminance easy to use.

The shielding casing 4 include positioned at the frame 41 of its front end and from the rear end of the frame 41 integrally backward The extension 42 extended to form, the shape of the longitudinal section of the extension 42 is identical as the shape of the frame 41, only size It is different.When assembling, the shielding casing 4 is sheathed on the outside of the insulating body 1 from front to back, and the extension 42 adheres on The outside of the mounting portion 13, and the rear end face of the extension 42 is located on rear side of the rear end face of the insulating body 1.

The utility model electric connector 100 can with the positive anti-plug of docking connector, and the conductive terminal 2 have be located at its Linking arm 204 between contact arm 201 and holding parts 202, the two sides of linking arm 204 are formed with the terminal groove 117 with pedestal 11 The those widened sections 2041 of interference engagement, so not only conductive terminal 2 is easy to assembly, but also passes through those widened sections 2041 and pedestal 11 Interference engagement can provide elastic contact arm 201 good precompressed effect, advantageously ensure that the contact portion 2011 of conductive terminal 2 Height it is consistent, promote the performance in electrical contact of product, guarantee the stability of processing procedure.

Above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although referring to preferred embodiment pair The utility model is described in detail, those skilled in the art should understand that, it can be to the technology of the utility model Scheme is modified or replaced equivalently, without departing from the spirit and scope of the technical scheme of the present invention.

Claims (10)

1. a kind of electric connector, with insulating body, several conductive terminals being fixed in the insulating body, snap close piece and The shielding casing being coated on outside the insulating body, the conductive terminal include the first terminal along short transverse in two rows of settings Group and second end subgroup, first end subgroup arrangement corresponding and reversed with second end subgroup, the insulating body include tool There is the pedestal of accommodating space and respectively with the integrally formed upper body of first, second terminal group and lower body, it is each described Conductive terminal have the elastic contact arm protruded into the accommodating space, the holding parts that are fixed in upper body or lower body and The tail portion of insulating body is extended back and stretched out from holding parts, it is characterised in that: each conductive terminal, which also has, to be located at Linking arm between contact arm and the holding parts, the linking arm have and the terminal groove interference engagement that is arranged on the pedestal Prepressing structure so that the contact arm precompressed is positioned in the pedestal.

2. electric connector as described in claim 1, it is characterised in that: the prepressing structure is the linking arm in its transverse direction side The those widened sections that upward two sides are formed so that the linking arm in transverse direction on width it is big compared with the width of the contact arm.

3. electric connector as claimed in claim 2, it is characterised in that: the holding parts and the linking arm are located at identical height Degree, and the contact arm extends forward from the front end of the linking arm.

4. electric connector as claimed in claim 2 or claim 3, it is characterised in that: first, second terminal group is respectively and above and below Ontology edge, which buries, to be molded as one and constitutes upper and lower end sub-component, and the upper and lower end sub-component is assembled into forward from the rear side of pedestal In pedestal, and it is suspended in the contact arm in corresponding terminal groove and is exposed in the accommodating space.

5. electric connector as claimed in claim 4, it is characterised in that: the contact arm is in cantilever-shaped, in side from back to front Upwards, it tilts and extends towards the direction of the horizontal central plane close to the electric connector.

6. electric connector as described in claim 1, it is characterised in that: the upper body is oppositely arranged interior with the lower body Mutually matched first groove and fin, mutually matched second groove and positioning column are respectively equipped on surface, described first is recessed Slot and fin are in the lengthwise shape structure extended in transverse direction, are evenly distributed on the outer surface of the positioning column several prominent Item.

7. electric connector as claimed in claim 6, it is characterised in that: the U-shaped that also there is the lower body upward projection to be formed Receiving portion and the container being formed in the receiving portion, the upper body, which is arranged and is inserted into container with downward projection, determines Position block.

8. electric connector as claimed in claim 7, it is characterised in that: the snap close piece includes base portion, extends forward from base portion Lock catch arm and extend backward more than the rear end face of insulating body from base portion for being welded in the leg on circuit board, the base Portion includes extending transversely and fixed part in a strip shape, a pair of of the projection for being relatively arranged on two sides in the fixed part transverse direction Portion, the projection project the two sides for being formed in the fixed part outward in transverse direction, electrically to connect with the shielding casing It connects.

9. electric connector as claimed in claim 8, it is characterised in that: the base portion also has projection forward and spaced Before a pair protrusion and positioned at this to the limiting slot between preceding protrusion, the receiving portion is limited in the limiting slot.

10. electric connector as described in claim 1, it is characterised in that: the upper and lower ontology all has main part, described in The mounting portion that the engaging portion and main body that main part extends forward extend back, in the height direction outer of the engaging portion Surface is arranged compared to the horizontal central plane of the outer surface of main part closer to the electric connector, so that before the main part End forms the blocking surface being arranged towards the pedestal, the mounting surface for stopping to be resisted against the pedestal forward.