CN201594647U

CN201594647U - Waterproof electronic connector

Info

Publication number: CN201594647U
Application number: CN2009202654283U
Authority: CN
Inventors: 彭勇锜
Original assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Current assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Priority date: 2009-12-18
Filing date: 2009-12-18
Publication date: 2010-09-29
Anticipated expiration: 2019-12-18

Abstract

The utility model discloses a waterproof electronic connector comprising a metal shell, an insulating body and a plurality of conductive terminals, the conductive terminals are fixedly contained in the insulating body; the metal shell coats the insulating body and the conductive terminal to form a matching chamber at the front end; the metal shell comprises a metal sheet and a metal outer shell; the metal sheet is provided with at least one clamping hole; the front end edge of the clamping hole is provided with a retaining block; the insulating body is provided with a containing chamber; the internal side of the bottom wall of the containing chamber is provided with a clamping trough; the metal sheet is tightly attached to the clamping trough; the bottom wall of the containing chamber, corresponding to the clamping trough, is provided with a through hole; the metal outer shell is sheathed on the insulating body and provided with a boss with convex inside and concave outside; and the boss extends in the through hole and is butted against the metal sheet. In the utility model, the metal sheet of the waterproof electronic connector is tightly attached to the clamping trough of the insulating body, the water is prevented from flowing in a PCB of the electronic connector from the clamping hole, and the normal work of the circuit is ensured.

Description

The waterproof type electronic connector

Technical field

The utility model relates to a kind of electronic device connector, relates in particular to a kind of waterproof type electronic connector.

Background technology

Existing electric power connector comprises a metal shell, contains an insulating body in this metal shell, and this insulating body is provided with several conducting terminals.Metal shell by the metallic plate punching press, cut and bend and form, it has a substrate, the relative both side edges of substrate bends respectively and is extended with welding foot, offers the holding hole with the snap fit of patchplug on the substrate.

Yet this structure allows on water flows to pcb board in the electric power connector from the space between welding foot and the metal shell and this holding hole easily, causes the short circuit of circuit, and then damages electric power connector.

The utility model content

The purpose of this utility model is to provide a kind of waterproof electric power connector at above-mentioned the deficiencies in the prior art.

To achieve these goals, the utility model provides a kind of waterproof type electronic connector, comprise metal shell, insulating body, and several conducting terminals, described conducting terminal is accommodated and is fixed in the described insulating body, described metal shell coats described insulating body and conducting terminal, and in front end formation mating cavity, described metal shell comprises sheet metal and metal shell, described sheet metal has at least one holding hole, the front-end edge of described holding hole is provided with block, described insulating body has containing cavity, the inboard of the diapire of described containing cavity is provided with draw-in groove, described sheet metal is arranged in the described draw-in groove with being adjacent to, the corresponding described draw-in groove of the diapire of described containing cavity place has through hole, described metal shell is sheathed on the described insulating body, and described metal shell has the outer recessed projection of convex, and described projection puts in described through hole and described sheet metal butt.

As mentioned above, the sheet metal of the utility model waterproof type electronic connector is arranged in the draw-in groove of insulating body with being adjacent to, has prevented that water from flowing to the pcb board of electric power connector from holding hole, guarantees the operate as normal of circuit; Simultaneously, the projection of metal shell puts in described through hole and described sheet metal butt, serves as grounding function, has replaced the effect of the welding foot of prior art metal shell, thereby avoid water to flow on the pcb board, further play waterproof action from the space between welding foot and the metal shell.

Description of drawings

Fig. 1 is the structural perspective of a kind of embodiment of the utility model waterproof type electronic connector.

Fig. 2 is the structural perspective of another angle of waterproof type electronic connector shown in Figure 1.

Fig. 3 is the three-dimensional exploded view of an angle of waterproof type electronic connector shown in Figure 1.

Fig. 4 is the insulating body and the conducting terminal assembling stereogram of waterproof type electronic connector shown in Figure 1.

Fig. 5 is the structural perspective that insulating body shown in Figure 4 is loaded onto an angle behind the sheet metal.

Fig. 6 is the structural perspective that insulating body shown in Figure 4 is loaded onto another angle behind the sheet metal.

Fig. 7 is that insulating body shown in Figure 6, sheet metal are loaded onto the structural perspective behind the metal shell.

Fig. 8 is that insulating body shown in Figure 4 is loaded onto the structural perspective of stepping up to encircle.

Fig. 9 is the structural perspective of the conducting terminal of waterproof type electronic connector shown in Figure 1.

Each description of reference numerals is as follows among the figure:

Waterproof type electronic connector 100 sheet metals 10

Guidance part 11 holding holes 12

Block 13 insulating bodies 20

Containing cavity 21 openings 211

Groove 212 boss 213

Draw-in groove 214 through holes 215

Hyoplastron 22 terminal grooves 221

Perforate 222 second boss 23

24 Access Divisions 25, fastening part

Step up groove 26 fixture blocks 27

Flange 28 conducting terminals 30

Contact site 31 terminal welding foots 32

Kink 33 metal shells 40

Shell bottom plate 41 recesses 411

Card wall 412 projectioies 413

Sidewall 42 bayonet sockets 421

Shell weld part 43 steps up to encircle 50

Fastening block 60 fastener holes 61

Embodiment

Be the effect that describes technology contents of the present utility model, structural feature in detail, realized, give explanation below in conjunction with execution mode and conjunction with figs. are detailed.

See also Fig. 1 and Fig. 2, the utility model waterproof type electronic connector 100 comprises a metal shell, insulating body 20, several conducting terminals 30, step up to encircle 50 and fastening block 60.Insulating body 20 and conducting terminal 30 in-molded one.Metal shell comprises sheet metal 10 and metal shell 40.

Consult Fig. 3, sheet metal 10 is square, the downward-sloping guidance part 11 that is bent with of its front-end edge, and sheet metal 10 forward end symmetries have two holding holes 12, and the front-end edge of holding hole 12 is extended with block 13 downwards.

Consult Fig. 3 and Fig. 4, insulating body 20 is provided with a containing cavity 21, the front portion of containing cavity 21 is provided with opening 211, containing cavity 21 and opening 211 relative rear walls are extended with hyoplastron 22 forward, offer several terminal grooves 221 on the hyoplastron 22, and terminal groove 221 runs through containing cavity 21, offers the perforate 222 that runs through this hyoplastron 22 up and down on the diapire of terminal groove 221.The outside that the inboard symmetry of the diapire of containing cavity 21 has two grooves, 212, two grooves 212 is arranged with respectively to form between draw-in groove 214, two grooves 212 between a boss 213, two boss 213 and offers through hole 215.The outside of insulating body 20 is provided with second boss, 23, the second boss, 23 lateral circular insulating bodies 20 near opening 211 places, and insulating body 20 comprises the Access Division 25 after being positioned at the fastening part 24 before described second boss 23 and being positioned at described second boss 23.Fastening part 24 and second boss, 23 intersections are provided with and step up groove 26, and the both sides of Access Division 25 are provided with fixture block 27.The both sides, rear portion of insulating body 20 are arranged with a flange 28 respectively.

Consult Fig. 9, conducting terminal 30 is elongated, and it has a contact site 31 and a terminal welding foot 32, is provided with a kink 33 between contact site 31 and the terminal welding foot 32.

Consult Fig. 3, metal shell 40 have with the diapire of containing cavity 21 over against shell bottom plate 41, shell bottom plate 41 rear portions are provided with a recess 411, shell bottom plate 41 rear portions in recess 4 youngsters' both sides respectively symmetry be extended with a card wall 412.Shell bottom plate 41 corresponding through holes 215 places are provided with a projection 413, the two opposite sides edge of shell bottom plate 41 bends respectively and is extended with a

sidewall

42,42 corresponding fixture blocks, 27 places, two side have bayonet socket 421, and sidewall 42 and card wall 412 respectively are extended with shell weld part 43 away from the lateral margin of shell bottom plate 41.

Consult Fig. 3, step up to encircle 50 and be and the ring-type of stepping up groove 26 couplings, step up to encircle 50 and be sheathed on and step up in the groove 26.

Consult Fig. 3, fastening block 60 is square, and fastening block 60 has the fastener hole 61 with fastening part 24 form fit.

Consult Fig. 5 to Fig. 8, because insulating body 20 and conducting terminal 30 in-molded one, contact site 31 is fixed in the terminal containing slot of hyoplastron 22, after being exposed at insulating body 20 outside the terminal weld part 32, during installation, only need sheet metal 10 is connected on the draw-in groove 214, and block 12 is placed in the groove 212, at this moment, form the mating cavity of pegging graft between hyoplastron 22, sheet metal 10 and the insulating body 20 with butt connector; Again metal shell 40 is sheathed on the Access Division 25 of insulating body 20, make projection 413 put in through hole 215 and with sheet metal 10 butts (electrical connection), fixture block 27 and bayonet socket 421 clampings block wall 412 and are sticked on the flange 28; Be enclosed within and step up in the groove 26 stepping up to encircle 50 at last, fastening block 60 tightly is placed on the fastening part 24 and replaces second boss 23, plays and fixedly steps up to encircle 50 effect.

As mentioned above, the sheet metal 10 of the utility model waterproof type electronic connector 100 is arranged in the draw-in groove 214 of insulating body 20 with being adjacent to, has prevented that water from flowing to the pcb board of electric power connector from holding hole 12; Simultaneously, the projection 413 of metal shell 40 puts in through hole 215 and sheet metal 10 butts, serves as grounding function, has replaced the effect of the welding foot of prior art metal shell, thereby avoid water to flow on the pcb board, guarantee the operate as normal of circuit from the space between welding foot and the metal shell.

Claims

1. a waterproof type electronic connector comprises metal shell, insulating body and several conducting terminals, and described conducting terminal is accommodated and is fixed in the described insulating body; Described metal shell coats described insulating body and conducting terminal, and in front end formation mating cavity, it is characterized in that: described metal shell comprises sheet metal and metal shell, described sheet metal has at least one holding hole, the front-end edge of described holding hole is provided with block, described insulating body has containing cavity, the inboard of the diapire of described containing cavity is provided with draw-in groove, described sheet metal is arranged in the described draw-in groove with being adjacent to, the corresponding described draw-in groove of the diapire of described containing cavity place has through hole, described metal shell is sheathed on the described insulating body, and described metal shell has the outer recessed projection of convex, and described projection puts in described through hole and described sheet metal butt.

2. waterproof type electronic connector as claimed in claim 1, it is characterized in that: the inboard symmetry of the diapire of described containing cavity has two grooves, described through hole is opened between the two described grooves, the outside of two described grooves is arranged with a boss respectively, form described draw-in groove between the two described boss, described sheet metal is arranged in the described draw-in groove, and described block is placed in the described groove.

3. waterproof type electronic connector as claimed in claim 1, it is characterized in that: described containing cavity front portion is provided with opening, the rear wall that described containing cavity is relative with described opening is extended with hyoplastron forward, and described conducting terminal one end is positioned on the described hyoplastron, and the other end stretches out described insulating body.

4. waterproof type electronic connector as claimed in claim 1, it is characterized in that: also comprise and step up a ring and a fastening block, the outside of described insulating body is provided with second boss near described opening part, the described insulating body of the described second boss lateral circular, described insulating body comprises the Access Division after being positioned at the preceding fastening part of described second boss and being positioned at described second boss, described second boss and insulating body intersection are provided with and step up groove, the described ring set that steps up is located at described stepping up in the groove, and described fastening block is socketed on the described fastening part and replaces described second boss.

5. waterproof type electronic connector as claimed in claim 1 is characterized in that: the bilateral symmetry of the rear end of described insulating body is provided with flange, and the corresponding described flange of described metal shell place is provided with Ka Bi, and described Ka Bi engages with described flange.