CN201725958U

CN201725958U - Waterproof electric connector

Info

Publication number: CN201725958U
Application number: CN2010202258439U
Authority: CN
Inventors: 刘臻; 廖卫红; 陈明江
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: 2010-06-04
Filing date: 2010-06-04
Publication date: 2011-01-26
Anticipated expiration: 2020-06-04

Abstract

The utility model discloses a waterproof electric connector, which comprises internal insulator bodies, a plurality of electric conduction terminals, a metal inner shell, a seal plate, external insulator bodies, a meter outer shell and a waterproof rubber ring, wherein the internal insulator bodies are formed outside the electric conduction terminals in mould, the metal inner shell is provided with a plurality of clamp convex parts and a hole slot in a punching way, the seal plate comprises a connecting plate and the seal plate extending from the two ends of the connecting plate, a seal shell is formed on the middle part of the seal plate, and is covered on the hole slot, and the seal plate seals the periphery of the hole slot; and the external insulator bodies are formed outside the internal insulator body, the electric conduction terminals, the metal inner shell and the seal plate in mould, the meter outer shell is covered on the outside of the external insulator body and the back part of the internal insulator body, and the waterproof rubber ring is wrapped on the front end of the outside of the metal inner shell. The waterproof electric connector of the utility model can improve waterproof performance.

Description

Waterproof electrical connector

Technical field

The utility model relates to a kind of electric connector, relates in particular to a kind of waterproof electrical connector.

Background technology

See also Fig. 7 and Fig. 8, existing electric connector 8 comprises insulating body 81, be fixed on the conducting terminal 82 on the insulating body and the metal shell 83 of coated insulation body.Insulating body 81 has antetheca 811, rear wall 812, roof 813, diapire 814 and two side 815.The antetheca 811 of insulating body 81 protrudes forward and forms a tabular holding parts 816.Offer on the insulating body 81 from holding parts 816 front ends and extend back and run through the plurality of terminals groove (not shown) of this insulating body 81.The fixing of conducting terminal 82 correspondences is in the terminal groove of insulating body 81.Metal shell 83 coats this insulating body 81 with the shielding external electromagnetic interference.

But above-mentioned existing electric connector 8 has the slit because of

insulating body

81 and 83 of metal shells, so water resistance is poor, and moisture penetrates into electric connector inside easily, thereby causes short circuit, influences the quality of transmission signals.

The utility model content

The purpose of this utility model is to provide a kind of waterproof electrical connector that improves water resistance at above-mentioned the deficiencies in the prior art.

For achieving the above object, waterproof electrical connector provided by the utility model comprises a built-in electrical insulation body, plurality of conductive terminals, a metal inner casing, a diaphragm seal, an exterior insulation body, a metal shell and a water proof rubber circle; Conducting terminal places in the mould, and the built-in electrical insulation body is in-molded outside conducting terminal; The metal inner casing is installed in built-in electrical insulation, and this is external, this metal inner casing comprises a top board, a base plate and biside plate, press to be provided with respectively on top board and the biside plate to hold protuberance, and the top board middle part is provided with the rectangle projection outwards protruded to external pressure towards being provided with two hole slots in the middle part of the base plate; Described diaphragm seal comprises a connecting piece and by the extended closure plate in brace two ends, the closure plate middle part forms a closed housing, and diaphragm seal is covered on the top board of metal inner casing, and closed housing hides on hole slot; Closure plate further seals around the hole slot; Described exterior insulation body comprises a upper wall, a lower wall and perpendicular sidewall, and this exterior insulation body is in-molded outside built-in electrical insulation body, plurality of conductive terminals, metal inner casing and diaphragm seal; Metal shell is covered on exterior insulation body exterior and built-in electrical insulation rear body; The water proof rubber circle is coated on metal inner casing outer front end.

As mentioned above, the waterproof electrical connector that the utility model provides is with the hole slot on the diaphragm seal covering metal inner casing top board, the exterior insulation body is in-molded outside built-in electrical insulation body, conducting terminal, metal inner casing and diaphragm seal, slit between diaphragm seal and metal inner casing and built-in electrical insulation body and metal inner casing is shut and the sealing process of water proof rubber circle sealing with outside insulating body, thereby reach the requirement of waterproof.

Description of drawings

Fig. 1 is the stereogram of the utility model waterproof electrical connector.

Fig. 2 is the three-dimensional exploded view of waterproof electrical connector shown in Figure 1.

Fig. 3 is the right view of waterproof electrical connector shown in Figure 1.

Fig. 4 is the vertical view of waterproof electrical connector shown in Figure 1.

Fig. 5 is the rearview of the built-in electrical insulation body of waterproof electrical connector shown in Figure 1.

Fig. 6 is the rearview of waterproof electrical connector shown in Figure 1.

Fig. 7 is the stereogram of existing electric connector.

Fig. 8 is the three-dimensional exploded view of electric connector shown in Figure 7.

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

(prior art)

Electric connector 8 insulating bodies 81

Antetheca 811 rear walls 812

Roof 813 diapires 814

Sidewall 815 holding parts 816

Conducting terminal 82 metal shells 83

(the utility model)

Waterproof electrical connector 1 built-in electrical insulation body 10

Antetheca 101 rear walls 102

Roof 103 diapires 104

Sidewall 105 storage tanks 106

Holding section 107 holding parts 110

Terminal groove 111 conducting terminals 20

Metal inner casing 30 top boards 301

Base plate 302 side plates 303

Hold protuberance 304 hole slots 305

Support slot 306 projectioies 307

Accommodation space 310 diaphragm seals 40

Brace 401 closure plates 402

Closed housing 403 exterior insulation bodies 50

Upper wall 501 lower walls 502

Perpendicular sidewall 503 flutings 504

Draw-in groove 505 hole clippings 506

Metal shell 60 top covers 601

Bonnet 602 side covers 603

Scolding tin pin 604 location holes 605

Water proof rubber circle 70

Embodiment

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

See also Fig. 1, the utility model waterproof electrical connector 1 comprises built-in electrical insulation body 10, conducting terminal 20, metal inner casing 30, diaphragm seal 40, exterior insulation body 50, metal shell 60 and water proof rubber circle 70.

See also Fig. 2 and Fig. 5, built-in electrical insulation body 10 is a global formation member, and it comprises antetheca 101, rear wall 102, roof 103, diapire 104 and two side 105.The antetheca 101 of built-in electrical insulation body 10 protrudes out a tabular holding parts 110 forward.Offer the plurality of terminals groove 111 that runs through this built-in electrical insulation body 10 backward from the front end of holding parts 110.The rear portion of the roof 103 of built-in electrical insulation body 10 offers a storage tank 106 downwards.The middle part of roof 103 middle parts of built-in electrical insulation body 10, diapire 104 middle parts and two side 105 is protruding with holding section 107 respectively.

Conducting terminal 20 is placed in the mould, and built-in electrical insulation body 10 is in-molded outside conducting terminal 20.

See also Fig. 2, described metal inner casing 30 is installed in outside the built-in electrical insulation body 10, and this metal inner casing 30 comprises top board 301, base plate 302 and biside plate 303, and above-mentioned each plate surrounds an accommodation space 310.Press to be provided with on top board 301 and the biside plate 303 and hold protuberance 304.Top board 301 middle parts dash and are provided with two rectangle hole slots 305, and the rear portion Jun Chong of top board 301, base plate 302 and biside plate 303 is provided with some support slots 306.Base plate 302 middle parts are provided with a rectangle projection 307 of outwards protruding to external pressure.The holding section 107 of built-in electrical insulation body 10 snaps in the support slot 306, thereby built-in electrical insulation body 10 is fixed in accommodation space 310.

See also Fig. 2 and Fig. 4, described diaphragm seal 40 comprises a connecting piece 401 and by the extended closure plate 402 in brace 401 two ends, closure plate 402 middle parts form a closed housing 403.The brace 401 of diaphragm seal 40 is placed in some the holding between the protuberance 304 on the top board 301 of metal inner casing 30, and closed housing 403 hides on hole slot 305, and closure plate 402 further is closed in around the hole slot 305.

See also Fig. 2, described exterior insulation body 50 is in-molded outside built-in electrical insulation body 10, plurality of conductive terminals 20, metal inner casing 30 and diaphragm seal 40, and this exterior insulation body 50 comprises upper wall 501, lower wall 502 and perpendicular sidewall 503.Form two hole clippings 506 corresponding to closed housing 403 on the upper wall 501.Form rectangle fluting 504 corresponding to projection 307 on the lower wall 502, when exterior insulation body 50 clad metal inner casings 30, the rectangle projection 307 of base plate 302 places in the rectangle fluting 504.The middle part of perpendicular sidewall 503 forms the draw-in groove 505 that extends back.

See also Fig. 2 again, described metal shell 60 comprises top cover 601, is bent extended bonnet 602 and bent extended side cover 603 by top cover 601 both side edges by top cover 601 posterior lateral margins.Two side covers, 603 middle parts are extended scolding tin pin 604, two side covers 603 middle parts downwards and are offered location hole 605.When metal shell 60 coats exterior insulation body 50, top cover 601 is covered on exterior insulation body 50 rear portions, bonnet 602 is placed in the storage tank 106 of built-in electrical insulation body 10, two side covers 603 are covered on outside the perpendicular sidewall 503 of exterior insulation body 50, and the protuberance 304 that holds of metal inner casing 30 passes draw-in groove 505 and is fastened in the location hole 605 of metal shell 60.

See also Fig. 2 and Fig. 3, described water proof rubber circle 70 is coated on metal inner casing 30 outer front end, and the thickness of water proof rubber circle 70 is greater than the thickness of exterior insulation body 50.

During 1 assembling of the utility model waterproof electrical connector, at first conducting terminal 20 is placed in the mould, built-in electrical insulation body 10 is in-molded outside conducting terminal 20; Then metal inner casing 30 is set in outside the built-in electrical insulation body 10; Hide two hole slots 305 of metal inner casing 30 then with diaphragm seal 40; Then with the built-in electrical insulation body 10 that assembles, conducting terminal 20, metal inner casing 30 and diaphragm seal 40 are inserted in the mould, exterior insulation body 50 is in-molded in built-in electrical insulation body 10, conducting terminal 20, outside metal inner casing 30 and the diaphragm seal 40, two closed housings 403 protrude outside the upper wall 501 of exterior insulation body 50 after the moulding, projection 307 protrudes from outside the lower wall 502 of exterior insulation body 50, the protuberance 304 that holds on the side plate 303 protrudes from outside the perpendicular sidewall 503 of exterior insulation body 50, wherein some protuberances 304 that hold take shape in the exterior insulation body 50 so that exterior insulation body 50 is fixing, and the slit between holding section 107 and the support slot 306 is by 50 sealings of exterior insulation body; Secondly metal shell 60 is covered on exterior insulation body 50 outsides and built-in electrical insulation body 10 rear portions; At last water proof rubber circle 70 is coated on metal inner casing 30 outer front end.

In sum, the utility model waterproof electrical connector 1 hides the hole slot 305 of closed metal inner casing 30 with diaphragm seal 40, again by exterior insulation body 50 is in-molded outside metal inner casing 30, with outside insulating body 50 slit of 30 of diaphragm seal 40 and metal inner casing 30 and built-in electrical insulation body 10 and metal inner casings is shut, seal accommodation spaces 310 with waterproof rubber ring 70, thereby reach the requirement of waterproof.

Claims

1. a waterproof electrical connector is characterized in that: comprise a built-in electrical insulation body, plurality of conductive terminals, a metal inner casing, a diaphragm seal, an exterior insulation body, a metal shell and a water proof rubber circle; Conducting terminal places in the mould, and the built-in electrical insulation body is in-molded outside conducting terminal; The metal inner casing is installed in built-in electrical insulation, and this is external, this metal inner casing comprises a top board, a base plate and biside plate, press to be provided with respectively on top board and the biside plate to hold protuberance, and the top board middle part is provided with the rectangle projection outwards protruded to external pressure towards being provided with two hole slots in the middle part of the base plate; Described diaphragm seal comprises a connecting piece and by the extended closure plate in brace two ends, the closure plate middle part forms a closed housing, and diaphragm seal is covered on the top board of metal inner casing, and closed housing hides on hole slot; Closure plate further seals around the hole slot; Described exterior insulation body comprises a upper wall, a lower wall and perpendicular sidewall, and this exterior insulation body is in-molded outside built-in electrical insulation body, plurality of conductive terminals, metal inner casing and diaphragm seal; Metal shell is covered on exterior insulation body exterior and built-in electrical insulation rear body; The water proof rubber circle is coated on metal inner casing outer front end.

2. waterproof electrical connector as claimed in claim 1, it is characterized in that: the upper wall middle part of described exterior insulation body forms two hole clippings corresponding to closed housing, the lower wall middle part forms a fluting corresponding to projection, the middle part of perpendicular sidewall forms the draw-in groove that extends back, after exterior insulation is originally body formed, two closed housings protrude outside the upper wall of exterior insulation body, projection protrudes from outside the lower wall of exterior insulation body, the protuberance that holds on the side plate protrudes from outside the perpendicular sidewall of exterior insulation body, and wherein some protuberances that hold take shape in the exterior insulation body so that the exterior insulation body is fixed.

3. waterproof electrical connector as claimed in claim 1 is characterized in that: the brace of described diaphragm seal is placed in some the holding between the protuberance on the top board of metal inner casing.

4. waterproof electrical connector as claimed in claim 1 is characterized in that: the middle part of the roof middle part of described built-in electrical insulation body, diapire middle part and two side is protruding with some holding sections respectively; The top board of metal inner casing, base plate, and the rear portion Jun Chong of biside plate be provided with some support slots, the holding section snaps in the support slot, the slit between holding section and support slot is sealed by the exterior insulation body.

5. waterproof electrical connector as claimed in claim 1 is characterized in that: the thickness of described water proof rubber circle is greater than the thickness of exterior insulation body.