CN201436730U - Electric connector - Google Patents

Abstract

The utility model discloses an electric connector comprising an insulator, a plurality of terminals and a metal shielding. The insulator is provided with a plurality of terminal slots; the plurality of terminals are received respectively in the terminal slots; the metal shielding is coated outside of the insulator and comprises a main plate, two side plates and a joint plate, wherein one side of the main plate is downwardly extended to form a plurality of grounding pins. Coated by the metal shielding on the outside of the insulator and provided with grounding pins for grounding on the metal shielding, the electric connector can effectively prevent interference of electromagnetic wave.

Description

Electric connector

Technical field

The utility model relates to a kind of connector, relates in particular to a kind of electric connector that prevents Electromagnetic Interference.

Background technology

The electronic product data transmission rate request is more and more faster now, and for satisfying this trend demand, electric connector needs the function that prevents Electromagnetic Interference.China's application number is that 200620007674 the electric connector that patent disclosed comprises a pedestal, plurality of conductive terminals, a circuit board and a ground strip.

Yet, the ground strip of above-mentioned electric connector is used for being connected with the external metallization housing of electric equipment, thereby with whole electric equipment shielding, make the assembly of whole electric equipment inside can avoid external electromagnetic interference, but the assembly of electric connector still can with other assembly generation electromagnetic interference of electric equipment.

The utility model content

Main purpose of the present utility model is to provide a kind of electric connector that prevents Electromagnetic Interference at the defective that above-mentioned prior art exists.

For achieving the above object, the utility model electric connector comprises an insulating body, plurality of terminals and a metal baffle.Offer the plurality of terminals slot on this insulating body; Plurality of terminals is contained in respectively in the terminal slots, and the metal baffle is coated on outside the insulating body, and this metal baffle comprises a main board, biside plate and a fish plate, and main board one lateral edges extends to form at least one grounding leg downwards.

As mentioned above, the utility model electric connector is coated on outside the insulating body by the metal baffle and the metal baffle is provided with the grounding leg that is used for ground connection, thereby can effectively prevent electromagnetic interference.

Description of drawings

Fig. 1 is the stereogram of a kind of embodiment 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 partial sectional view of the insulating body of electric connector shown in Figure 2.

The description of reference numerals of each assembly is as follows among the figure:

Electric connector 100 insulating bodies 1

Terminal slots 11 accepting grooves 111

Support slot 112 leg grooves 113

Catch 114 retainings are held piece 115

Projection 12 holding holes 121

Back-up block 13 blocked blocks 14

Guiding face 141 terminals 2

Connecting portion 21 holding parts 22

Retaining sheet 221 contact sites 23

Contact protuberance 231 fixture blocks 232

Weld part 24 metal baffles 3

Main board 31 grounding legs 311

Side plate 32 fish plates 33

Hold mouth 331

Embodiment

For describing technology contents of the present utility model, structural feature and purpose of being reached and effect in detail, below in conjunction with embodiment and cooperate the graphic detailed explanation of giving.

See also Fig. 1, the utility model electric connector 100 comprises an insulating body 1, plurality of terminals 2 and a metal baffle 3.

See also Fig. 2 and Fig. 3, insulating body 1 is rectangular shape, offer plurality of terminals slot 11 on the insulating body 1, terminal slots 11 comprises that one runs through the accepting groove 111 of insulating body both ends of the surface about in the of 1, accepting groove 111 left and right sides inwalls all are convexly equipped with and are formed with a retaining and hold piece 115, retaining is held and is offered support slot 112 on the piece 115, accepting groove about 111 two inwall top edges extend to form a catch 114 that is parallel to insulating body 1 upper surface relatively with respect to an end of support slot 112, and insulating body 1 lower surface is concaved with some leg grooves 113 that communicate with accepting groove 111; Insulating body 1 rear end face outwards protrudes out and forms two projections 12, be concaved with the holding hole 121 of always wearing projection 12 upper and lower end faces on the projection 12, insulating body 1 front end face outwards is convexly equipped with and forms two blocked blocks 14, blocked block 14 is provided with a guiding face 141, and insulating body 1 front end face outwards is convexly equipped with and is formed with two back-up blocks 13.

See also Fig. 2, terminal 2 comprises a junction 21, connecting portion 21 1 ends are to a rear flank and the downward-sloping holding parts 22 that extends to form, holding parts 22 ends bend backward and extend to form a weld part 24, holding parts 22 both sides of the edge extend to form a retaining sheet 221 to a side respectively, connecting portion 21 other ends extend to form a contact site 23 to the front arc bending, and contact site 23 upwards is convexly equipped with and forms a contact protuberance 231, and contact site 23 terminal both side edges extend to form a fixture block 232 to a side respectively.

Please continue to consult Fig. 2, metal baffle 3 comprises a main board 31, main board 31 two ends extend to form a side plate 32 perpendicular to main board 31 to a lateral buckling respectively, biside plate 32 ends bend extension in opposite directions and engage the fish plate 33 that formation one is parallel to main board 31, thereby metal baffle 3 is the rectangular housing shape of a sealing.Main board 31 lower limbs extend to form two grounding legs 311 downwards, fish plate 33 be provided with two with insulating body 1 on blocked block 14 correspondingly hold mouthfuls 331.

See also Fig. 1, Fig. 2 and Fig. 3, when assembling the utility model electric connector 100, the connecting portion 21 of terminal 2 is contained in the accepting groove 111, retaining sheet 221 is fastened in the support slot 112, contact site 23 protrudes out outside the insulating body 1 from accepting groove 111 upper ends, weld part 24 protrudes out outside the insulating body 1 by leg groove 113, metal baffle 3 is sheathed downwards from insulating body 1 upper end, grounding leg 311 is inserted in the holding hole 121 on the projection 12 and passes holding hole 121 and reaches the outside, holding mouthfuls 331 is fastened on the blocked block 14 by guiding face 141, back-up block 13 can effectively prevent metal baffle 3 because of unbalance stress to lopsidedness, weld part 24 is welded on the circuit board (figure does not show), grounding leg 311 ground connection.

In sum, the utility model electric connector 100 is coated on the outer and metal baffle 3 of insulating body 1 by metal baffle 3 and is provided with the grounding leg 311 that is used for ground connection, thereby can effectively prevent electromagnetic interference.

Claims (4)

1. an electric connector comprises an insulating body and plurality of terminals, offers the plurality of terminals slot on the insulating body, and plurality of terminals is contained in respectively in the terminal slots; It is characterized in that: described electric connector also comprises a metal baffle, and the metal baffle is coated on outside the insulating body, and this metal baffle comprises a main board, biside plate and a fish plate, and main board one lateral edges extends to form at least one grounding leg downwards.

2. electric connector as claimed in claim 1, it is characterized in that: described insulating body one side direction is convexly equipped with outward and forms some blocked blocks, blocked block is provided with a guiding face, insulating body one side direction is convexly equipped with outward and forms some projections, is concaved with a holding hole that runs through the projection upper and lower end face on each projection respectively; Offer some mouths that hold on the metal baffle, hold mouthful with blocked block on the insulating body and match, grounding leg is inserted in the holding hole on the insulating body.

3. electric connector as claimed in claim 1, it is characterized in that: described terminal slots comprises that one runs through the accepting groove of insulating body both ends of the surface, accepting groove two inwalls all are convexly equipped with and are formed with a retaining and hold piece, retaining is held and is offered a support slot on the piece, and an end of accepting groove two inner wall edges extends to form a parallel catch relatively; Described terminal comprises a junction, connecting portion one end extends to form a holding parts to a side, the holding parts end extends to form a weld part to a lateral buckling, the holding parts both sides of the edge extend to form a retaining sheet to a side respectively, the connecting portion other end extends to form a contact site to the bending of opposite side arc, connecting portion is contained in the accepting groove, and retaining sheet is fastened in the support slot, and contact site and weld part protrude out outside the insulating body.

4. electric connector as claimed in claim 1 is characterized in that: the convex contact protuberance that is provided with of the contact site of described terminal, and the terminal both side edges of contact site extends to form a fixture block to a side respectively, and fixture block is fastened on the catch lower surface.

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