CN202159823U

CN202159823U - Electric connector

Info

Publication number: CN202159823U
Application number: CN2011202349339U
Authority: CN
Inventors: 王耀廷; 苏育宏
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: 2011-07-01
Filing date: 2011-07-01
Publication date: 2012-03-07
Anticipated expiration: 2021-07-01

Abstract

The utility model discloses an electric connector, used for splicing with a butt joint connector. The electric connector comprises a terminal seat, a plurality of terminals formed on the terminal seat in a module, a first insulating shell body covered on the periphery of the terminal seat, a second insulating shell body enclosed at the rear end of the first insulating shell body and a metal shell body formed on the first insulating shell body in the module, wherein the surface of the first insulating shell body is provided with a backward inserting hole; the metal shell body comprises an upper shell of which the two sides are respectively stamped with a holding shell and a lower shell of which the two sides are respectively provided with a through groove corresponding to the holding shells; the upper shell and the lower shell are plate-shaped and are welded together; the through groove communicates with the inserting hole; and a hooking component can be hooked in the through groove and held in the holding shell. The electric connector provided by the utility model has a good water-proof function, and the volume of the metal shell body is smaller.

Description

Electric connector

Technical field

The utility model relates to a kind of connector, relates in particular to a kind of ability waterproof and the little electric connector of metal shell volume.

Background technology

USB is through being usually used in the exchanges data between digital code camera, mobile phone, carry-on portable hard drive, mouse, keyboard, the carry-on dish of USB flash disk or the like electronic product and the computer; We can say USB be computer nowadays industry and with other consumer electronics application in industry peripheral bus the most widely; And along with the capacity of flash memory is done bigger and bigger; The USB transmitting speed is also in upgrading; At present USB from its 2.0 edition upgradings to 3.0 versions, the transmission rate of USB3.0 is about in the of 10 times of USB2.0 in theory theoretically, and the volume of USB connector is also constantly diminishing.Liquid gets into electronic product inside in the process in order to avoid the use of, and the female terminal adapter of micro USB that is assembled at present on the electronic product generally all is designed with water-proof function.The female terminal adapter of the general USB with water-proof function comprises the holding body terminal base that is made of plastics; Be assembled in the several terminals on the holding body terminal base, coat the metal shell of holding body terminal base and be coated on the outer waterproof case that is made of plastics of metal shell.

But; Because the needs of design and assembly; When being installed in the female terminal adapter of above-mentioned USB near the inner antenna of mobile phone, the metal shell of the female terminal adapter of USB can have influence on the function of use of antenna for mobile phone, but in order to ensure the plug performance of the female terminal adapter of USB with USB public affairs terminal adapter; The metal shell of the female terminal adapter of USB is a necessary assembly, therefore needs the female terminal adapter of the little USB of a kind of ability waterproof and metal shell volume.

The utility model content

The purpose of the utility model is to the deficiency of above-mentioned prior art a kind of ability waterproof and the little electric connector of metal shell volume to be provided.

For realizing above-mentioned purpose, the utility model provides a kind of electric connector, is used for pegging graft with butt connector, and the butt connector both sides have the gripping member of colluding respectively.Electric connector comprise the terminal base that is made of plastics, in-molded in the several terminals on the terminal base, be coated on first insulation shell, second insulation shell that is closed in the first insulation shell rear end and the in-molded metal shell on first insulating body of terminal base week side.The first insulation shell front surface is offered a spliced eye backward.Metal shell comprises that the corresponding putting part in upper casing and both sides that makes progress at both sides punching press is formed with putting part respectively offers the lower casing of wearing groove respectively; Upper casing and lower casing all are tabular and weld together; Wearing groove is communicated with spliced eye; When said electric connector and butt connector were pegged graft, the gripping member of colluding of butt connector was colluded to be held in and is worn the groove place and be placed in the putting part.

As stated, the utility model electric connector relies on first insulation shell to be assembled in terminal base week side, and second insulation shell is in-molded in the first insulation shell rear end, thereby sealed electrical connector reaches water-proof function; And metal shell is back together in-molded on first insulation shell by tabular upper casing and lower casing laser welding; The lower surface of lower casing is concordant with the upper-side hole face of spliced eye; The putting part of upper casing is covered on wearing on the groove and wear groove and being communicated with spliced eye of lower casing, and when said electric connector and butt connector were pegged graft, the gripping member of colluding of butt connector was colluded to be held in and worn the groove place and be placed in the putting part; The metal shell volume is less, and can reduce the interference to the antenna signal than prior art.

Description of drawings

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

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

Fig. 3 is the stereogram of first insulation shell of electric connector shown in Figure 1.

Fig. 4 is that electric connector shown in Figure 1 is assembled in the stereogram on the external circuit board.

Each description of reference numerals is following among the figure:

Terminal base 10 main bodys 11

Fixture block 111 tongues 12

Terminal 20 first insulation shells 30

Spliced eye 31 perforates 32

Card division 33 draw-in grooves 331

Slot 34 assembling groves 35

Second insulation shell, 40 bonnets 41

Holding section 42 metal shells 50

Upper casing 51 putting parts 511

Lower casing 52 is worn groove 521

Help weld tabs 60 the external circuit board 70

Embodiment

By the technology contents, the structural feature that specify the utility model, realized purpose and effect, know clearly below in conjunction with execution mode and conjunction with figs. and give explanation.

See also Fig. 1 and Fig. 2, the utility model electric connector is used for and butt connector (figure does not show) is pegged graft, and the butt connector both sides have the gripping member of colluding (figure does not show) respectively.This electric connector is the female terminal adapter of a USB in the present embodiment, and butt connector is the public terminal adapter of a USB.

Said electric connector comprises the terminal base 10 that is made of plastics, be assembled in several terminals 20 on the terminal base 10, be coated on terminal base 10 all sides first insulation shell 30, be closed in second insulation shell 40 and the in-molded metal shell 50 on first insulation shell 30 of first insulation shell, 30 rear ends.

See also Fig. 2, said terminal base 10 has the main body 11 of a bulk, and main body 11 front end faces protrude out forward and form a tongue 12, is formed with the terminal groove (indicating among the figure) that runs through main body 11 on the tongue 12 backward, and main body 11 both sides convex with fixture block 111.Terminal 20 is in-molded on terminal base 10.

See also Fig. 2 and Fig. 3, first insulation shell, 30 front surfaces are offered surface, a spliced eye 31, the first insulation shells 30 back backward and are offered the perforate 32 that is communicated with spliced eye 31 forward, and the tongue 12 of terminal base 10 passes perforate 32 and stretches out in the spliced eye 31.Surface, first insulation shell 30 back convexes with the card division 33 of the main body 11 that is used to hold terminal base 10 in all sides of perforate 32, and 33 both sides, card division offer and are used for the draw-in groove 331 that the fixture block 111 with terminal base 10 cooperates.First insulation shell, 30 upper surfaces run through backward and offer slot 34, the first insulation shells 30 upper surface both sides and run through and offer assembling grove 35 downwards.

Second insulation shell 40 comprises a bonnet 41 and from extended holding section 42, bonnet 41 upper ends, is used for cooperating with the slot 34 of first insulation shell 30.

Metal shell 50 comprises that the corresponding putting part 511 in upper casing 51 and both sides that makes progress at both sides punching press is formed with said putting part 511 offers the said lower casing 52 of wearing groove 521, and upper casing 51 all is tabular with lower casing 52 and welds together through laser spot welding.Metal shell 50 is in-molded on first insulation shell 30, and the lower surface of lower casing 52 is concordant with the upper-side hole face of spliced eye 31, and wears groove 521 and be communicated with spliced eye 31.When said electric connector and butt connector were pegged graft, the gripping member of colluding of butt connector was colluded to be held in and is worn groove 521 places and be placed in the putting part 511.

Said electric connector comprises that also two help weld tabs 60, and it passes assembling grove 35 and is welded on the external circuit board 70 (as shown in Figure 4).

During the assembling of the utility model electric connector, at first that terminal 20 is in-molded on terminal base 10, upper casing 51 and lower casing 52 laser spot weldings are welded together; Upper casing 51 that will weld together then, and lower casing 52 are in-molded on first insulation shell 30; Then, the terminal base that is assembled with terminal 20 10 is installed on first insulation shell 30 that forms metal shell 50, tongue 12 stretches out in the spliced eye 31, and main body 11 is sticked in the card division 33, and fixture block 111 is fastened in the draw-in groove 331; Take second place, the terminal base that assembles 10, terminal 20, first insulation shell 30 and housing 50 are put into a mould together, second insulation shell 40 is in-molded in its rear end, and bonnet 41 is sealed in first insulation shell, 30 rear ends; At last, will help weld tabs 60 to pass assembling grove 35, and help weld tabs 60 lower ends to be exposed to outside first insulation shell 30.Through terminal 20 and help weld tabs 60 can the utility model electric connector be welded on the external circuit board 70.

As stated, the utility model electric connector relies on first insulation shell 30 to be assembled in terminal base 10 all sides, and second insulation shell 40 is in-molded in first insulation shell, 30 rear ends, thereby sealed electrical connector reaches water-proof function; And metal shell 50 is back together in-molded on first insulation shell 30 by tabular upper casing 51 and lower casing 52 laser welding; The lower surface of lower casing 52 is concordant with the upper-side hole face of spliced eye 31; The putting part 511 of upper casing 51 is covered on wearing on the groove 521 and wear groove 521 and being communicated with spliced eye 31 of lower casing 52; When said electric connector and butt connector grafting; The gripping member of colluding of butt connector is colluded to be held in and is worn groove 521 places and be placed in the putting part 511, thereby reaches good plug performance with the less metal shell of volume, and reduces the interference to the antenna signal.

Claims

1. electric connector; Be used for pegging graft with butt connector; It is characterized in that: comprise terminal base, in-molded in the several terminals on the terminal base, be coated on first insulation shell, second insulation shell that is closed in the first insulation shell rear end and the in-molded metal shell on first insulation shell of terminal base week side; The first insulation shell front surface is offered a spliced eye backward; Metal shell comprises that the corresponding putting part in upper casing and both sides that makes progress at both sides punching press is formed with putting part respectively offers the lower casing of wearing groove respectively, and upper casing and lower casing are tabular and weld together, and wear groove and are communicated with spliced eye.

2. electric connector as claimed in claim 1 is characterized in that: the lower surface of said lower casing is concordant with the upper-side hole face of spliced eye.

3. electric connector as claimed in claim 1 is characterized in that: said terminal base has the main body of a bulk, and body front end forms a tongue towards preceding protruding out, and the main body both sides convex with fixture block; The perforate that is communicated with spliced eye is offered on the surface forward behind first insulation shell; The surface convexes with the card division of the main body that is used to hold terminal base behind first insulation shell in all sides of perforate; The tongue of terminal base passes perforate and stretches out in the spliced eye, and the both sides, card division offer and are used for the draw-in groove that cooperates with the fixture block of terminal base.

4. electric connector as claimed in claim 1; It is characterized in that: the said first insulation shell upper surface runs through backward and offers slot; Second insulation shell comprises the holding section that the slot of a bonnet and and first insulation shell extended from the bonnet upper end cooperates, and bonnet is sealed in the first insulation shell rear end.

5. electric connector as claimed in claim 1 is characterized in that: comprise that also at least two help weld tabs, the said first insulation shell upper surface both sides are run through and are offered assembling grove downwards; Help weld tabs to pass assembling grove and its lower end is exposed to outside first insulation shell.