CN2410773Y

CN2410773Y - Electric connector

Info

Publication number: CN2410773Y
Application number: CN 99252211
Authority: CN
Inventors: 陈建呈
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 1999-12-23
Filing date: 1999-12-23
Publication date: 2000-12-13
Anticipated expiration: 2009-12-23

Abstract

The utility model relates to an electric connector which comprises an insulation casing, a plurality of electric conducting terminals, a shielding casing, earthing strips, etc., wherein the insulation casing is a square body; at least one insertion opening which is in a square shape slightly is arranged at the front surface of the insulation casing; the surfaces of both sides of the insulation casing, which are near to the insertion opening, are respectively provided with a notch; interference slots which can penetrate to the bottom surface of the insulation casing are arranged in the notches, so the earthing strips can be inserted and positioned in the interference slots and are convexly exposed in the notches. The shielding casing is enwrapped at the surface of the insulation casing; the side surfaces of the shielding casing, which correspond to the notches, are provided with elastic butting sheets; thus, the shielding casing can be buckled in each notch and can be butted with the earthing strip convexly exposed in each notch by making use of the elastic butting sheets; thereby, the effect of earthing conduction is achieved.

Description

Electric connector

The utility model is a kind of electric connector, relates in particular to a kind of modularized socket (Modular Jack) formula electric connector that is used to connect interconnection path.

The structure of existing Modular Jack electric connector can be consulted United States Patent (USP) the 4th, 878, and 858,5,772, cases such as No. the 84106311st, No. 466 and TaiWan, China patent.Be illustrated in figure 1 as the 5th, 772, the electric connector structure that No. 466 United States Patent (USP) disclosed, this electric connector is a square body 6, its surface is coated with metal shielding casing 61, wherein a side surface (being made as front surface 62) offers a socket that is square substantially 63 and inserts for corresponding plug, and group is provided with the conducting terminal (figure does not show) of some tool elastic contact arms in this socket 63, and the inserting foot of these conducting terminals is to pass and engage with circuit board from electric connector rear side bottom surface.A ground strip 64 is respectively extended at the root edge place, shielding casing 61 both sides of this electric connector, welding fixing mutually and the strong fix connector with circuit board, and further is connected with the ground path of circuit board and constitutes the grounded circuit of electric connector.Usually when making this type electric connector, its shielding casing surface all can adopt nickel plating (Ni) mode to make its visual effect better, and its ground strip then often adopts zinc-plated (Sn) mode to improve its welding performance.Yet, shielding casing and ground strip are with whole formula one punch forming on the existing electric connector, if its surface portion nickel plating and the ground strip part is zinc-plated, then need to carry out priority twice electroplating work procedure, and make the whole processing procedure time elongated and processing procedure is complicated, also can cause the many puzzlements on the electroplating work procedure simultaneously.And, then can cause the not good consequence of ground strip welding performance if shielding casing all adopts the nickel plating mode to make; And if hiding housing makes in the all-tin plating mode, the visual poor effect of electric connector appearance not only then, the defective of shielding casing surface tin coating fusing when more having high-temperature soldering.Thereby, the design of existing shielding casing and ground strip integral type, unsatisfactory, and necessity of improvement is arranged.

The purpose of this utility model is to provide a kind of electric connector, and it can effectively address the deficiencies of the prior art, and guarantee that the shielding casing surface has good visual effect, and the set ground strip of connector has good welding performance.

The purpose of this utility model is achieved in that electric connector includes insulation shell, plurality of conductive terminals, shielding casing and ground strip etc., the insulation shell body that is square wherein, its front surface offers at least one socket that slightly is square, conducting terminal one end extends in this socket and is bent into the flexible contact arm of tool, its other end then stretches out to engage with circuit board from the housing rear side that insulate, shielding casing then is coated on the insulation shell outer surface, it is characterized in that: the insulation shell both side surface respectively is provided with a recess near spigot, and further be provided with the interference groove that is through to the insulation shell bottom surface in this recess, ground strip is then organized strong fix and protruding being exposed in this recess in this interference groove, and is provided with elasticity butt sheet with respect to this recess on the side surface of shielding casing.When shielding casing and insulation shell were combined, this elasticity butt sheet buckled in this recess and connects with wherein ground strip and reach the ground connection effect.

Because the mode that the utility model electric connector adopts shielding casing to separate setting with ground strip, thereby shielding casing and ground strip can carry out suitable electroplating work procedure separately, and can overcome the defective that existing structure exists, and the two mutual butt and can reach good ground connection effect.

The utility model is described in further detail below in conjunction with accompanying drawing and preferred embodiment.

Fig. 1 is the stereogram of existing electric connector.

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

Fig. 3 is the stereogram of insulation shell and ground strip combination in the utility model electric connector.

Fig. 4 is the three-dimensional combination figure of the utility model electric connector.

Please refer to shown in Figure 2, the utility model electric connector includes structures such as insulation shell 1, plurality of conductive terminals 2, shielding casing 3 and ground strip 4, wherein insulation shell 1 is a square body, the one side surface is made as front surface 10, offer the socket 11 that slightly is square and inserts on this front surface 10 for banjo, plurality of conductive terminals 2 is arranged in this socket 11, and these conducting terminal 2 one ends pass and can be soldered on the circuit board from the extension of insulation shell 1 rear end side.The position, bottom side of close front surface 10 on this insulation shell 1 both side surface 12, respectively offer a recess 14, this recess 14 is set to inclined-plane 16 so that shielding casing 3 is able to smooth snapping away from a side inwall of front surface 10, and further is provided with the interference groove 15 that connects to insulation shell 1 bottom surface in these recess 14 inboards.In addition, this both side surface 12 is set to concave step surface 13 away from the rearward end of front surface 10, so that shielding casing 3 windings are firm and whole electric connector good looking appearance.

Please continue with reference to Fig. 2, shielding casing is the square casing of a hollow, its side surface that relatively hides on insulation shell 1 front surface 10 is made as front surface 30, offers opening 31 with respect to aforementioned socket 11 on this front surface 30 and inserts in the socket 11 for banjo passes.This shielding casing 3 hides relatively has the flexible butt sheet 38 of tool with respect to aforementioned recess 14 punching out on the both side surface 32 of insulation shell 1 side surface 12, and these both side surface 32 rear end side also are set to concave step surface 33 with respect to insulation shell 1 concave step surface 13 places, so that the two is able to firmly in conjunction with snapping.In addition, these shielding casing 3 rear end side are provided with the rear surface 34 that is connected one with upper surface 39, respectively offer a make-up on the vertically disposed lateral margin 35 in its both sides and hold sheet 36, correspondingly on the concave step surface 33 of both side surface 32, offer a pair of button hole 37, hold sheet 36 for these buttons and buckle into and wherein make rear surface 34 be connected one with side surface 32.

Ground strip 4 comprises the holding parts 41 of a square laminated structure, its relative lateral margin place, both sides respectively is provided with the interference part 42 of some reversed acanthoids, and the contact site 43 that is the fin shape is arranged in holding parts 41 surperficial punching out, and be provided with holding parts 41 surfaces at a lateral buckling of not establishing interference part 42 and slightly be vertical welding foot 44, to be welded and fixed on the circuit board.

As shown in Figure 3, the holding parts 41 of aforementioned ground strip 4 is organized from bottom to top and is gone in insulation shell 1 recess 14, and borrows interference groove 15 interferences in its interference part, both sides 42 and the recess 14 and strong fix.At this moment, set fin shape contact site 43 protruding being exposed in the recess 14 on it, its welding foot then stretches out from this recess 14.As shown in Figure 4, setting by means of recess 14 1 skew back faces 16, when 1 group of insulation shell was gone into shielding casing 3, the butt sheet 38 of shielding casing 3 both side surface 32 can buckle in this recess 14 smoothly and firmly, and connected and conducting with the contact site 43 of ground strip 4 in it.So, the importing of the electrostatic charge on it circuit board ground path can be eliminated, the electromagnetic shielding protection to inner conducting terminal 2 also can effectively be provided simultaneously by the shielding casing 3 of electric connector external ground state.

Because the mode that the utility model electric connector adopts shielding casing 3 and ground strip 4 to separate setting, so, shielding casing 3 can carry out suitable electroplating work procedure separately with ground strip 4, and can effectively overcome the defective that existing structure exists, make the shielding casing surface have good visual effect, and ground strip have good welding performance.

Claims

1. electric connector, include insulation shell, member such as plurality of conductive terminals and shielding casing, wherein offer at least one socket on the front surface of insulation shell, conducting terminal is arranged in this socket, shielding casing then is coated on the insulation shell outer surface, the socket of its relative insulation shell offers the opening that passes through for banjo, it is characterized in that: the nearly spigot of insulation shell both side surface respectively is provided with a recess, be provided with ground strip in this recess, this ground strip includes the holding parts that is retained in the insulation shell at least, protrudingly be exposed to the contact site on insulation shell surface and extend the outer welding foot of insulation shell, the contact site that then is provided with butt sheet and this ground strip on the shielding casing connects.

2. electric connector as claimed in claim 1 is characterized in that: this recess inboard further is provided with the interference groove that connects to the insulation shell bottom surface.

3. electric connector as claimed in claim 2 is characterized in that: this recess is set to the inclined-plane away from a side inwall of front surface.

4. electric connector as claimed in claim 3 is characterized in that: the holding parts of ground strip is square laminated structure, its lateral margin place, both sides respectively be provided with in order to the insulation shell recess in the fixing reversed acanthoid interference part of interference groove interference.

5. electric connector as claimed in claim 4 is characterized in that: the contact site of ground strip is the fin shape and is arranged on the holding parts surface, slightly is welding foot connected vertically and be provided with the holding parts surface in the lateral buckling that holding parts is not provided with the interference part.