CN2665957Y

CN2665957Y - Electric connector

Info

Publication number: CN2665957Y
Application number: CNU032717652U
Authority: CN
Inventors: 陈明庆; 张仁柔
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: 2003-06-30
Filing date: 2003-06-30
Publication date: 2004-12-22
Anticipated expiration: 2013-06-30

Abstract

The utility model discloses an electrical connector that is arranged on a circuit board of an electron device, comprising an upper cover, a lower cover, a terminal module and an electron element. The terminal module comprises an insulation body and a conductive terminal, the insulation body is provided with a hollow part which is provided with an inclined plane, a plurality of bar through slots of holding terminals are arranged through the hollow part and an underside of the insulation body and the bar through slots form an incline cut at the incline plane. The terminal comprises a fixing part, an elastic contact arm that stretches in a slight Z shape formed by the fixing part after bending upwards and a welding leg that bends downwards and stretches obliquely. By adopting the design, when the terminal is held in the bar through slots, the welding leg of the terminal can be observed through the incline cut on the incline plane, thus being convenient for inspecting the welding quality of the terminal and maintaining the electrical connector and being favorable for saving the production cost.

Description

Electric connector

[technical field]

The utility model relates to a kind of connector, refers to a kind of electric connector that is welded on the circuit board especially.

[background technology]

The technology relevant with the utility model can be with reference to United States Patent (USP) the 4th, 035, No. 046, this patent has disclosed a kind of existing electric connector that is installed on the circuit board, be used for a square matrix is electrically connected to a printed circuit board (PCB), this electric connector comprises insulating body and the plurality of conductive terminals that is contained in insulating body, and insulating body is provided with the middle auxiliary section that cooperates with square matrix, and the auxiliary section is provided with some its upper and lower surfaces of running through to accommodate the terminal slots of terminal.During assembling, insulating body is installed on the printed circuit board (PCB), and terminal accommodating is in the terminal slots of insulating body, matrix and auxiliary section closely cooperate, terminal one end is welded in printed circuit board (PCB), and the other end contacts with matrix, thereby realizes the electric connection of matrix and printed circuit board (PCB).Yet,, after welding, can't estimate the quality of its welding because terminal is to be welded on the printed circuit board (PCB) at the insulating body lower surface after inserting terminal slots.

[utility model content]

The purpose of this utility model is to provide a kind of electric connector of welding and overhauling be convenient to.

For achieving the above object, the utility model electric connector comprises upper and lower cover, terminal module and electronic component.Terminal module comprises insulating body and plurality of terminals, be provided with depressed part in the middle of the insulating body, inclined plane and narrow plane that depressed part is provided with the plane, extends to both sides respectively along last plane, run through depressed part and insulating body bottom surface and be provided with some bar shaped grooves of accommodating terminal, the bar shaped groove is provided with holding slot in narrow plane one side inwall, and will go up plane, inclined plane and narrow plane and connect together, form an angle in the inclined plane.Terminal roughly becomes " U " shape, comprises holding parts, upwards bends elastic contact arm that slightly is Z-shaped extension and the welding foot that bends diagonally extending downwards by holding parts.

Compared to prior art, the utility model electric connector terminal insulation module body is provided with depressed part, run through depressed part and insulating body bottom surface and be provided with some bar shaped grooves of accommodating terminal, depressed part is provided with the inclined plane in insulating body one side, the bar shaped groove forms an angle in the inclined plane, terminal accommodating is behind the bar shaped groove, its elastic contact arm stretches out plane on the depressed part, therefore stretch out the terminal welding foot of insulating body bottom surface by the angle may observe of bar shaped groove on the inclined plane, convenient detection to terminal welding foot welding quality, reach maintenance, help saving manufacturing cost electric connector.

[description of drawings]

Fig. 1 is the utility model electric connector and the three-dimensional combination figure that is installed in the electronic component in this electric connector.

Fig. 2 is the three-dimensional exploded view of Fig. 1.

Fig. 3 is another angular views of Fig. 2.

Fig. 4 is the unit assembly drawing of Fig. 2.

Fig. 5 is the three-dimensional exploded view of the utility model electric connector terminal module.

Fig. 6 is the three-dimensional combination figure of a terminal module of the utility model electric connector.

[embodiment]

Please refer to Fig. 1 to shown in Figure 3, the utility model electric connector is installed on the circuit board (not shown) of electronic equipments such as mobile phone or PDA(Personal Digital Assistant), in order to an electronic component 4 is electrically connected on the described circuit board.This electric connector comprises loam cake 1, the lower cover 2 of conductive material and is housed in terminal module 3 between the upper and

lower cover

1,2.

Loam cake 1 comprises the baffle plate 12 at upper surface (not label), two sides 11 and two ends.Wherein, upper surface middle part is provided with the ligand 10 of a square projection, ligand 10 hollows form a receiving space 100, ligand 10 upper surface middle part are provided with a circular open 101 that is connected to receiving space 100, and these circular open 101 edges are provided with the bayonet socket 103 of upwardly extending some interference piece 102 and a contiguous baffle plate 12.The upper surface two ends respectively are provided with an annular narrow orifice 13 in ligand 10 and 12 on baffle plate, and narrow orifice 13 two ends are provided with the fixing arm 130 that downward bending is extended.Two sides 11 are respectively equipped with a pair of location notch that caves inward 110, and two location notchs 110 on each side 11 all are in same horizontal level.In the present embodiment, this location notch 110 roughly is rectangle, and its two ends are provided with the guiding face 111 of inclination, makes location notch 110 be inwardly gradually little.Side 11 is respectively equipped with a recessed holding section 112 near two ends at vertical direction.

Lower cover 2 comprises two side 21, bottom surface (not label) and is located at the block 22 of lower cover 2 one ends.The location notch 110 of sidewall 21 corresponding loam cakes 1 side 11 is provided with the keeper 210 with its snapping, keeper 210 inwardly protrudes out in the inner surface of sidewall 21, it can be by rushing, it is one square that corresponding location notch 110 roughly is, its two ends cooperate with the guiding face 111 of location notch 110 and are made as the inclined plane, and it inwardly protrudes out corresponding location notch 110 and is tapered, and the middle part, bottom surface is extended to two ends respectively and respectively is provided with a pair of shell fragment 200, and the bottom surface other end is provided with a recess 201 that cooperates with loam cake 1 one end-stopping plates 12.

Please refer to Fig. 2, Fig. 3 and shown in Figure 5, terminal module 3 comprises insulating body 30 and plurality of terminals 32.Wherein, be made as inclined guide face (not label) to cooperate around insulating body 30 upper surfaces 300 with the annular narrow orifice 13 of loam cake 1, two ends respectively be provided with the corresponding through hole 301 of vertical through hole 301, two end surfaces with fixing arm 130 buckles at loam cake 1 annular narrow orifice 13 two ends be provided with loam cake 1 side 11 on the vertical clamping slot 302 that holds of holding section 112.The middle part of insulating body 30 upper surfaces 300 is provided with depressed part 31, inclined plane 311 and narrow plane 312 that depressed part 31 is provided with plane 310, extends to both sides along last plane 310, and depressed part 31 also is provided with some vertical bar shaped grooves 314.Bar shaped groove 314 runs through on the depressed part 31 plane 310 and bottom surface 303, and will go up plane 310 and connect together with inclined plane 311 and

narrow plane

312, and 311 form an angle 315 in the inclined plane.Bar shaped groove 314 is provided with holding slot 316 in narrow plane 312 1 side inwalls.Terminal 32 is contained in bar shaped groove 314, roughly become " U " shape, comprise the holding parts 320 that is immobilizated in bar shaped groove 314 holding slots 316, by holding parts 320 upwards bending slightly be the elastic contact arm 321 of Z-shaped extension and the welding foot 322 of bending diagonally extending downwards, elastic contact arm 321 is provided with contact site 323 and auxiliary section 324.

Please refer to Fig. 1 to shown in Figure 3, in the present embodiment, described electronic component 4 is a camera model, comprise that internal circuit board 40 reaches in the base portion 41 of internal circuit board 40 middle part projectioies, internal circuit board 40 two ends opposite ends submodules 3 are respectively equipped with some weld parts 401, base portion 41 is provided with the cylindricality camera lens 410 that cooperates with the circular open 101 of loam cake 1, cylindricality camera lens 410 sides be provided with a projection 411 with loam cake 1 ligand 10 on bayonet socket 103 hold.

Please refer to Fig. 1 to shown in Figure 6, during assembling, terminal 32 is contained in insulating body 30 and constitutes terminal module 3.Wherein, terminal 32 inserts bar shaped groove 314, the holding parts 320 of terminal 32 is immobilizated in the holding slot 316, terminal welding foot 322 tilts to protrude out insulating body 30 bottom surfaces 303, and with bar shaped groove 314 in the bottom surface 303 opening 317 angled, simultaneously, elastic contact arm 321 extends upward, its auxiliary section 324 is in same plane with the narrow plane 312 of insulating body 30 depressed parts 31, its contact site 323 protrudes out the last plane 310 of depressed part 31 and to inclined plane 311 1 side horizontal-extendings, and therefore 311 angle 315 may observe protrude out the terminal welding foot 322 of insulating body 30 bottom surfaces 303 in the inclined plane by bar shaped groove 314.

Two-terminal module 3 is installed on internal circuit board 40 two ends of electronic component 4 respectively, and wherein, near the base portion 41 of electronic component 4, terminal welding foot 322 welds mutually with weld part 401 relatively on the inclined plane 311 of two-terminal module 3.Then electronic component 4 is assembled on the loam cake 1, its base portion 41 is contained in the receiving space 100 of loam cake 1 ligand 10, and closely cooperates with receiving space 100 inwalls.Cylindricality camera lens 410 on the base portion 41 protrudes out the circular open 101 on loam cake 1 ligand 10, and interference piece 102 interferences on its side and circular open 101 edges, and the projection 411 on the side is fastened in the bayonet socket 102 on the ligand 10.The annular narrow orifice 13 at loam cake 1 upper surface two ends matches with two-terminal module 3 respectively, the fixing arm 130 at the annular narrow orifice 13 two ends through hole 301 at insertion end submodule 3 two ends respectively holds mutually with it, and the holding section 112 of loam cake 1 both sides cooperates with the draw-in groove 302 of 3 liang of end surfaces of terminal module respectively simultaneously.

Please refer to Fig. 1 to shown in Figure 4, lower cover 2 is snapped on the loam cake 1 that electronic component 4 is installed, the keeper 210 of its both sides is contained in the location notch 110 of loam cake 1 respectively, closely cooperate with location notch 110, each shell fragment 200 on lower cover 21 bottom surfaces all offsets with internal circuit board 40 lower surfaces, thereby upper and

lower cover

1,2 is closely snapped together, make electronic component 4 firmly be contained in the cavity of 1,2 of upper and lower covers, and 1,2 pairs of these electronic components 4 of upper and lower cover play good shield effectiveness.

Claims

1. electric connector, be installed on the circuit board of electronic equipment, comprise insulating body and plurality of conductive terminals, insulating body is provided with some upper and lower surfaces of insulating body of running through in order to accommodate the groove of conducting terminal, each conducting terminal comprises the elastic contact part that stretches out the insulating body upper surface and is located at the insulating body lower end in order to be welded to the welding foot on the described circuit board, it is characterized in that: the part that insulating body is provided with the upper surface of groove is set as the inclined plane, and described groove forms an angle in the place, inclined plane.

2. electric connector as claimed in claim 1 is characterized in that: described conducting terminal roughly is " U " shape, and described welding foot is positioned at the elastic contact part below.

3. electric connector as claimed in claim 2 is characterized in that: described conducting terminal comprises that one connects the holding parts of elastic contact part and welding foot, and insulating body comprises the holding slot of accommodating this holding parts.

4. electric connector as claimed in claim 3 is characterized in that: described terminal elastic contact arm end extends to depressed part inclined plane one side, and plane on the outstanding depressed part.

5. as any one described electric connector in the claim 1 to 4, it is characterized in that: described insulating body is provided with depressed part, the narrow plane that this depressed part is provided with the plane, extends to both sides respectively along last plane, the inclined plane, described bar shaped groove connects together narrow plane, last plane and inclined plane.

6. as any one described electric connector in the claim 1 to 4, it is characterized in that: this electric connector further comprises a loam cake, is placed on insulating body groove place on this narrow orifice is set.

7. electric connector as claimed in claim 6 is characterized in that: described insulating body both sides are provided with the through hole and the draw-in groove of fixing loam cake.