CN201197020Y - Electric Connector - Google Patents

Abstract

The utility model discloses an electric connector, which comprises an insulating body (1), a shielding shell (2) which covers outside the insulating body, and a plurality of conducting terminals (4) which are received in the insulating body, wherein the insulating body comprises a receiving cavity (15) which runs through the front end surface of the insulating body and a top wall (11), the upper surface of the top wall is provided with a top surface (115) and concave surfaces (116, 117) which are lower than the top surface, the shielding shell comprises a top plate (21) which covers on the concave surfaces (116) and side plates (22) which downward extend from both ends of the top plate, the concave surfaces of the top wall are provided with grooves, fastening sheets (221) fastened in the grooves upward extend from the side plates to ensure that the shielding shell can be steadily fixed on the insulating body and achieve the efficacy of reducing the height of the electric connector.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector, refers in particular to a kind of electric connector with shielding casing.

[background technology]

People's Republic of China's utility model patent is announced 2519455Y number and has been disclosed a kind of electric connector, and it mainly comprises insulating body, plurality of conductive terminals and is coated on the outer metal-back of insulating body.Sidewall and the diapire relative with roof that described insulating body comprises roof, extends downwards from the roof both sides, described roof, sidewall and diapire enclose the host cavity that butt connector is held in formation one.Described metal-back comprises top board and the side plate that is covered in respectively on roof and the sidewall, biside plate is provided with some downward extension pins relatively, the two side is provided with some boss, be provided with the passage that plugs the location for described pin between adjacent two boss, wherein a pair of pin end bends inwards and is held in the recess set on the diapire, and so metal-back just is immobilizated on the insulating body.Top board in the described electric connector is covered in the whole surface of roof, when the thickness of metal-back when requiring to increase, the whole height of electric connector also increases, this outer lug boss the side-to-side dimensions that has strengthened electric connector is set, above-mentioned 2 requirements that all do not meet product miniaturization development are so need a kind of improved electric connector to overcome above-mentioned defective.

[utility model content]

The purpose of this utility model is to provide the electric connector of the stable and overall structure miniaturization of a kind of fixing.

For achieving the above object, the utility model adopts following technical scheme: a kind of electric connector, it comprises insulating body, is coated on the outer shielding casing of insulating body and some conducting terminals that is contained in the insulating body, described insulating body comprises a host cavity and a roof that runs through its front end face, the upper surface of this roof is provided with end face and is lower than the concave surface of this end face, described shielding casing comprises top board that is covered on this concave surface and the side plate that extends from these top board two ends downwards, the concave surface of described roof is provided with groove, and described side plate extends upward the button that is held in groove and holds sheet.

Compared with prior art, the utility model electric connector is by being provided with the concave surface that is lower than end face on the roof of insulating body, the top board of shielding casing is covered on this concave surface, groove is set on concave surface in addition, the button that side plate extends upward is held sheet and is buckled in the groove, make shielding casing and the end face be covered on the roof roughly be positioned on the same horizontal plane, thereby when guaranteeing that shielding casing is stable and being immobilizated in insulating body, play the effect of reduction electric connector height.

[description of drawings]

Fig. 1 is the stereogram of the utility model electric connector.

Fig. 2 is the three-dimensional exploded view of the utility model electric connector.

Fig. 3 is the three-dimensional exploded view at another visual angle of the utility model electric connector.

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

[embodiment]

Fig. 1 is to shown in Figure 2 for ginseng, and the utility model electric connector comprises insulating body 1, be assembled in the terminal module 3 of insulating body 1 and hide shielding casing 2 outside insulating body 1.

Ginseng Fig. 2,3, insulating body 1 is one-body molded setting, is the hollow, rectangular structure, it comprises roof 11, the sidewall 12 that extends downward vertically from roof 11 two ends, the diapire 13 relative with roof 11 and the rear wall 14 of connection two side 12.Insulating body 1 is arranged with a host cavity 15 that holds butt connector from its front end face, and this host cavity 15 is surrounded by described roof 11, two side 12, diapire 13 and rear wall 14 and forms.Roof 11 is provided with a perforation host cavity 15 and runs through the breach 111 of front end face, in order to the holding part (not shown) that holds butt connector.In conjunction with Fig. 4, described breach 111 both sides are respectively established one and are extended and do not run through the groove of front end face forward from body 1 rear end face that insulate, this groove comprises darker preceding groove of cup depth 112 and the more shallow back groove 113 of cup depth, and the groove bottom of forward and backward groove is linked to each other by a stopping surface 114.The upper surface of roof 11 comprises the concave surface that is positioned at the end face 115 around the described breach 111 and is lower than this end face 115, described concave surface is divided into the side concave surface 116 that is positioned at end face 115 both sides and is positioned at the back concave surface 117 in end face 115 dead asterns, and described side concave surface 116 is positioned on the same horizontal plane with back concave surface 117.Side concave surface 116 extends inwardly to groove from the sidewall 12 of the body 2 that insulate, and groove is the boundary of end face 115 and side concave surface 116.Described back concave surface 117 is extended forward and is joined with end face 115 from the rear end face of the body 1 that insulate, and which is provided with the rectangular opening 118 that connects with described host cavity 15.Described sidewall 12 is provided with the mating holes 121 that connects with host cavity 15, and the internal face of sidewall 12 is provided with the boss 122 that surrounds described mating holes 121, and the outside wall surface of sidewall 12 is provided with the groove 123 that is positioned at mating holes 121 rears.Diapire 13 both sides are extended with the reference column 17 that is inserted in circuit board downwards, are provided with the draw-in groove 18 that upwards caves in from diapire 13 near reference column 17 places.Accepting groove 16 runs through diapire 13 and rear wall 14 to accommodate described terminal module 3, also is provided with some slots 141 that are positioned at accepting groove 16 tops on the rear wall 14, inserts for conducting terminal 4.

Ginseng Fig. 2,3, shielding casing 2 is bent to form through punching press by a metallic plate, and it comprises the top board 21 that is covered on described roof 11 back concave surface, the side plate 22 that extends from top board 21 two ends and the bonnet 23 that is bent to form from top board 21 rear ends downwards downwards.Side plate 22 extends top board 21 forward, its top edge extends upward and holds sheet 221 through being bent to form a button, this button is held sheet 221 and is comprised that the horizontal part 2211 that is covered on the described side concave surface 116 reaches the holding part 2212 in the groove 112 before these horizontal part 2211 ends extend and are buckled on downwards, the barb 2213 that extension one downwards of these holding part 2212 rear ends and described stopping surface 114 lean, this barb 2123 motion is backward kept out by stopping surface 114, thereby prevent button hold sheet 212 and skid off backward before groove 112, reach the effect of retaining.115 of described end faces not crested housing 2 cover.Described side plate 22 is coated on the sidewall 12 of insulating body 1, it is at the described mating holes 121 position punch formings of correspondence one shell fragment 24,24 bendings of this shell fragment enter mating holes 121 and protrude in the described host cavity 15, in order to the clamping butt connector and play the ground connection effect.Side plate 22 bottoms bend inwards and are buckled on buckling piece 25 in the described draw-in groove 18.In addition, shielding casing 2 is provided with the latch part 26 that buckles thereon at the described groove of correspondence 123 places, and described side plate 22 and bonnet 23 all are extended with some legs 27 that are welded in circuit board downwards, thereby is immobilizated on the circuit board electric connector is stable.

Ginseng Fig. 2,3, terminal module 3 inserts accepting groove 16 and is assembled in insulating body 1 from body 1 rear of insulating, it comprises a matrix 5 and is shaped in plurality of conductive terminals 4 on the matrix 5, described matrix 5 roughly is the wedge shape block structure, its upper surface is provided with the fin 51 of some intervals parallel arranged, and the upper surface of these fins 51 is an inclined plane 52.Each conducting terminal 4 includes and extends matrix 5 forward and be the contact site 41 of predetermined angular through bending and above-mentioned inclined plane 52 and extend the weld part 42 of matrix 5 bottom surfaces downwards.Described fin 51 is positioned at the below of contact site 41, and corresponding one by one with it, and after non-coupling butt connector inserts host cavity 15, this butt connector will compress contact site 41 downwards until being kept out by fin 51, thereby plays the effect of anti-mis-insertion.

During assembling, earlier terminal module 3 is assembled in insulating body 1, then shielding casing 2 is packed into from the top of the body 1 that insulate.Before assembling shielding casing 2, earlier its biside plate 22 is outwards opened necessarily

Degree, interfere to avoid the shell fragment 24 and roof 11 both sides of insulating body 1, cross roof 11 upper surfaces downwards until shell fragment 24, interior gradually again pressure biside plate 22 is meanwhile guaranteed side plate 22 along in the sidewall 12 downslide processes until pasting mutually with two side 12, and shell fragment 24 springs in the mating holes 121 smoothly, 2122 of the holding parts that button is held sheet 212 are buckled in the preceding groove 112, last latch part 26 is buckled on the groove 123, and so, shielding casing 2 just liptinite is loaded on the insulating body 1.

Ginseng Fig. 1,4, top board 21 correspondences of shielding casing 2 are covered on the set concave surface of insulating body 1 roof 11 in the utility model electric connector, make the top board 21 after the assembling roughly be positioned on the same horizontal plane with described end face 115, so reduced the height up and down of electric connector, and this effect is along with the increase meeting of shielding casing thickness is more obvious.In addition, when butt connector inserts host cavity 15, described shell fragment 24 is subjected to the pushing effect of butt connector and outwards opens, cause the two side 12 of the biside plate 22 relative insulating bodies 1 of shielding casing 2 that the trend that expands outwardly is arranged, and described button hold holding part 2122 card of sheet 212 set be positioned at before groove 112, can reach the effect that prevents that side plate 22 from expanding outwardly, so, insulating body need not to increase other bayonet units as projection and so on and just can be immobilizated in shielding casing is stable, thereby reaches the effect that reduces volume, simplified structure.

Claims (10)

1. An electrical connector, which includes an insulating body, a shielding shell wrapped outside the insulating body, and a plurality of conductive terminals accommodated in the insulating body, the insulating body includes a receiving cavity that runs through its front end face and a top wall , the upper surface of the top wall is provided with a top surface and a concave surface lower than the top surface, and the shielding shell includes a top plate covering the concave surface and side plates extending downward from both ends of the top plate, characterized in that: The concave surface of the top wall is provided with a groove, and the side plate extends upward to a buckling piece that is buckled in the groove. 2. The electrical connector according to claim 1, wherein the top wall is provided with a notch penetrating through the front end surface of the insulating body, the top surface is located around the notch, and the concave surface includes two sides on both sides of the top surface The side concave surface, the groove is set on both sides of the concave surface. 3 . The electrical connector according to claim 2 , wherein the buckling piece comprises a horizontal portion covering the side concave surface and a buckling portion buckled in the groove. 4 . 4. The electrical connector according to claim 2, wherein the concave surface includes a rear concave surface behind the top surface, the rear concave surface is on the same level as the side concave surface, and the top plate covers the rear concave surface superior. 5 . The electrical connector as claimed in claim 3 , wherein the top plate, the horizontal portion and the top surface of the locking piece are substantially located on the same horizontal plane. 6 . 6. The electrical connector according to claim 3, wherein the groove is provided with a blocking surface, and the buckling part of the buckling piece is provided with a barb against the blocking surface . 7. The electrical connector according to claim 6, wherein the groove includes a front groove corresponding to the buckling piece and a rear groove communicating with the front groove, and the depression of the front groove The depth is deeper than the rear groove, and the stop surface is arranged at the junction of the front groove and the rear groove. 8. The electrical connector according to claim 1, wherein the insulating body comprises a bottom wall opposite to the top wall, the bottom wall is provided with a card slot, and the side plate is provided with a bend extending and Buckle the buckle piece placed in the card slot. 9. The electrical connector according to claim 1, wherein the insulating body comprises a pair of side walls, and a matching hole is respectively provided on the side walls, and the side plates are punched and formed to pass through the matching holes. holes and extend into the shrapnel of the receiving cavity. 10. The electrical connector according to claim 1, wherein the insulating body includes a rear wall connecting the two side walls, the rear wall is provided with a receiving groove penetrating the receiving cavity, and the electrical connector It includes a terminal module integrally formed by a base body and the conductive terminals arranged in the receiving groove.

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