CN2355460Y

CN2355460Y - Electric connector

Info

Publication number: CN2355460Y
Application number: CN 99225429
Authority: CN
Inventors: 吴焜灿
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: 1999-01-15
Filing date: 1999-01-15
Publication date: 1999-12-22
Anticipated expiration: 2009-01-15

Abstract

The utility model relates to an electric connector which comprises an insulating body, terminals, an inner layer shielding body, and an outer layer shielding body, wherein, the inner layer shielding body is arranged in the insulating body; the outer layer shielding body is covered on the outer part of the insulating body and provided with a grounding device, and the inner layer and the outer layer shielding bodies are provided with a first and a second buckling bodies which can be mutually buckled. Because of the mutual buckling of the first and the second buckling bodies, the inner layer and the outer layer shielding bodies can be communicated with each other. The electromagnetic interference which comes from the inner part or the outer part of the electric connector can be shielded through the inner layer and the outer layer shielding bodies and the grounding device to form double electromagnetic shielding effect.

Description

Electric connector

The utility model relates to a kind of electric connector, refers to a kind of electric connector with internal layer and outer shield especially.

At present, continuous development with electronic installation and communication network technique, between the various electronic installations and inevitable very frequent and important to the connection of peripheral equipment, its signal transmission quality also increases thereupon, so, for asking the effectively stable of signal transmission, the electronic component of electronic installation inside also must have good, the anti-strong function of noise interference performance of screening ability.No. the 85204902nd, 85208558,85212192,85215759 and 86214118, relevant patent such as Taiwan patent etc.The prior art does not reach the effect of complete shield electromagnetic interference.Please consult Fig. 1 and Fig. 2 simultaneously, it is a demarcation strip 12 that insulator 1 its front end of existing electric connector protrudes out between upper and lower stacked two butt joint flanges, 11, the two butt joint flanges 11, and the periphery of its rear end is the buckling piece 13 that respectively is convexly equipped with to all around.Backboard 2 by its peripheral fastening hole 21 with the cooperating of buckling piece 13 of insulator 1 backboard 2 is connected on the insulator 1.Shield 3 includes shielding outer cover 31, shielding plate 32, wherein shield all side of outer cover 31 cover caps in insulator 1, on the perisporium of shielding outer cover 31, have breach 311, end by breach 311 is respectively equipped with several elasticity of stretching out fastening lamellar bodies 312 again in breach 311, plate 32 is divided into upper and lower two-layer, be equipped with the also corresponding elasticity of extension of breach 321 and one end on it and fasten lamellar body 322, and plate 32 is respectively by inserting insulator 1 behind the forward direction, and is resisted against respectively on upper and lower two planes of demarcation strip 12 of insulator 1.This electric connector only is provided with one deck shield, and on the shielding outer cover of shield and plate, also have breach so that fasten lamellar body and extend, so shield is relatively poor in the ability of the anti-electromagnetic interference in hole place, so, each shield member of this shield can't be borrowed it to cooperatively interact and realize advantages of favorable electromagnetic shielding effect, and can not guarantee stability and the reliability that signal transmits after butt connector dock.

The purpose of this utility model is to provide a kind of electric connector, this electric connector has inside and outside two-layer shield, and borrowing two shields to cooperatively interact can have better effectiveness to inner and outside electromagnetic interference, to improve the reliability and the stability of telecommunication transmission.

The utility model is realized by the following technical solutions: this electric connector comprises members such as insulator, conducting terminal, internal layer and outer shield, wherein a side of insulator is an interface, it is the back side relatively simultaneously, interface is concaved with docking groove to the back side, and conducting terminal promptly is housed in the docking groove.And can be plugged in the docking groove with the corresponding internal layer shield of docking groove shape, and be posted by on its inwall, and the both sides of internal layer shield are provided with extension, and this extension is provided with first buckling body.In addition, outer shield is coated on the lateral surface of insulator, it hides in a side at the insulator back side and is made as the back, both sides from the back are bent with the inflexed part to insulator interface direction respectively, and which is provided with second buckling body,, internal layer and outer shield are connected by the mutual fastening of first, second buckling body, and outer shield inflexed part is extended with pin, the function of these pin tool ground connection and fixing.

Compare prior art, the utlity model has following advantage: the unscreened disappearance of internal layer shield is shielded fully by outer shield, and can cooperate internal layer and outer shield that inner and external electromagnetic interference are directed to ground connection, to realize effectiveness more comprehensively and effectively.

The utility model is described in further detail below in conjunction with accompanying drawing and preferred embodiment.

Fig. 1 is the three-dimensional exploded view of existing electric connector.

Fig. 2 is the three-dimensional combination figure of existing electric connector.

Fig. 3 is a three-dimensional exploded view of the present utility model.

Fig. 4 is a three-dimensional combination figure of the present utility model.

Fig. 5 is the three-dimensional exploded view of another angle of Fig. 3.

Fig. 6 is the three-dimensional combination figure of Fig. 5.

Fig. 7 is the three-dimensional exploded view of another angle of the utility model.

Fig. 8 is the three-dimensional combination figure of Fig. 7.

Fig. 9 is the partial sectional view of Fig. 6.

See also Fig. 3, the utility model includes insulator 4, conducting terminal 5, internal layer shield 6, outer shield 7 members such as grade.Wherein, one side of insulator 4 is made as interface 40, by this interface 40 be concaved with the

docking groove

41,41 that upper and lower two-layer laminate distributes ', the periphery edge place of this docking groove 41,41 ' notch is provided with inserting slot 411 symmetrically, by in the groove again each outwards protrude out one the butt joint flange 412,412 ', this butt joint flange 412,412 ' lower surface be equipped with terminal accommodation holes 4121,4121 ', to accommodate conducting terminal 5.In addition, please cooperate and consult Fig. 5, by docking groove 41,41 ' the notch place each offer some the grooves 413 that extend to its middle part up and down in the surface, and with docking groove 41,41 ' upper and lower surface be divided into the shell fragment 414 of several strips, and in these shell fragment 414 ora terminalis places each towards docking groove 41,41 ' in be provided with the projection 4141 of convex.The sidewall of docking groove 41,41 ' and arranged on left and right sides is made as the first side wall 42, this sidewall 42 is connected in docking groove 41,41 ' notch place is provided with button and holds

plate

421,43 places, the back side that the first side wall 42 is against insulator 1 slightly suitably be recessed to form and the first side wall 42 between have second sidewall 44 of a ladder, this second sidewall 44 and contiguous 42 of the first side walls are provided with elongated slot 45 (as shown in Figure 7).Terminal 5 is divided into two rows, arrange up and down the different accepting

holes

4121,4121 that terminal is contained in insulator 4 respectively ' in, above row's terminal 5 row's length is slightly long down, one end of this terminal 5 slightly be bent into certain shape with the

terminal accommodation holes

4121,4121 of insulator 4 ' match, and this end is made as the contact jaw 51 of terminal 5, its relative end extends downwards after then bending the right angle, and forms abutting end 52.

The utility model is provided with two inner shield bodies 6, this inner shield body 6 and insulator 4 docking grooves 41,41 ' shape corresponding and can insert respectively stretch into upper and lower two docking grooves 41,41 ' in, and respectively be extended with two extensions 61 again along its direction of insertion in the and arranged on left and right sides of inner shield body 6, which is provided with and fasten breach 611, the end of this extension 61 is provided with respectively the deduction sheet 612 to two lateral bucklings.Internal layer shield 6 upper and lower surperficial 62,63 on corresponding respectively insulator 4 docking grooves 41,41 ' the groove 413 on upper and lower surface also offer breach 631, and correspondence is provided with shell fragment 632, the projection 4141 of terminal corresponding insulator 4 shell fragments 414 of this shell fragment 632 and be provided with bend 6321, in addition, the lower surface 63 of internal layer shield 6 also has a breach 633 in place, two shell fragments, 632 centre positions, and an edge that is positioned at these breach 633 close docking ports 64 then sticks up to the inside of internal layer shield 6 curved tabs 634 is arranged.And each outside rollover of inserting slot 411 places around the notch of the peripheral corresponding above-mentioned insulator 4 of the docking port 64 of two internal layer shields 6 has crimping 641.

Outer shield 7 is "  " shape cover cap body, it hides in a side at insulator 4 back sides and is made as back 71, be bent with at least two inflexed parts 72 to the side relative respectively from the two ends at back with back 71, and this inflexed part 72 is positioned at the inboard of outer shield 7 two sides 73, jagged 721 in its terminal punching out, and a side of this breach 721 is provided with and fastens lamellar body 7211 and rout up laterally respectively.Also there are four pins 722 lower end in this inflexed part 72 to symmetrical the stretching in the lower end of outer shield 7 respectively, borrows this pin 722 electric connector can be fixed on other electronic installation.In addition, hold plate 421 buckleing of the also corresponding insulator 4 in middle part of above-mentioned outer shield 7 two sides 73 front ends and be provided with buckleing to hold and colluding 731 of bending to the inside.

Please consult Fig. 4, Fig. 6 and Fig. 8 simultaneously, during the assembling of the utility model electric connector, earlier the contact jaw 51 of terminal 5 is assigned in insulator 4 butt joint flanges 412,412 ' terminal accommodation holes 4121,4121 ' in, the abutting end 52 of terminal 5 then extends outside the insulator 4.Outer shield 7 by the back to front cover on

insulator

4,72 of its two inflexed parts are inserted in the elongated slot 45 that stretches between insulator 4 the first side walls 42 and second sidewall 44 respectively, its 722 of four pins stretch out outside the insulator 4, electric connector is immobilizated on other the electronic installation, and the button on the two side 73 of outer shield 7 is held and is colluded 731 and be held in buckleing of above-mentioned insulator 4 and hold on the plate 421, make outer shield 7 with insulator 4 can be firm be retained on.Two internal layer shields 6 are by the butt joint notch 411 of insulator 4,411 ' locate to insert and stretch into docking groove 41,41 ' interior (as shown in Figure 9), the extension 61 of two internal layer shields 6 is also inserted and is stretched in the first side wall 42 and the elongated slot 45 between second sidewall 44 of insulator 4, and between the first side wall 42 of external shielding body 7 inflexed parts 72 and insulator 4, and, be positioned on the inflexed part 72 and and insert the fastening breach 611 that stretch into internal layer shield 6 extensions 61 by 7211 of the fastening lamellar bodies that breach 721 outwards turns down, deduction sheet 61 2 then deducts in the trailing edge place of the first side wall 42 of insulator 4, so, internal layer shield 6 is connected with outer shield 7, and in having formed, the outer double-deck electromagnetic shielding of property more comprehensively, then internal layer shield 6 not fully the electromagnetic interference of shielding by outer shield 7 with its shielding and borrow four pins 722 with its conduction ground connection, thereby reached better effectiveness.And set crimping 641 is held in the inserting slot 411 around the notch of above-mentioned insulator 4 on the periphery of the docking port 64 of two internal layer shields 6, not only internal layer shield 6 and insulator 4 can have been interlocked to hold the location but also can guide to dock electric connector and dock smoothly.

In the time of in butt joint electric connector (not shown) inserts the utility model electric connector, the metallic shield housing of butt joint electric connector at first touches on the shell fragment 634 of perk in the internal layer shield 6, the shield of butt joint electric connector is connected with the shield of the utility model electric connector, thereby reaches more comprehensively effectiveness.In addition, the shell fragment 414 on insulator 4 docking grooves 41,41 ' upper and lower surface is borrowed in the bend 6321 that projection 4141 correspondences slotting of its front end stretch into internal layer shield 6 shell fragments 632, internal layer shield 6 can be immobilizated on the insulator 4, and when the butt joint electric connector docks with the utility model electric connector, this

shell fragment

414 and 632 provides enough chucking powers to make butt joint electric connector and the utility model electric connector can closed butt joint, unlikely coming off.

Claims

1. electric connector comprises: have the interface that is oppositely arranged and the insulator at the back side, and be concaved with docking groove at interface to the back side; Correspondence is contained in the conducting terminal in the insulator docking groove; And shield, it is characterized in that: this shield comprises at least one an internal layer shield and a cover cap outer shield outside insulator, wherein the internal layer shield is arranged in the docking groove of insulator, and be provided with first buckling body in the internal layer shield, and outer shield correspondence is provided with second buckling body, and internal layer and outer shield fasten mutually by first and second buckling body and realize connecting.

2. electric connector as claimed in claim 1, it is characterized in that: insulator docking groove both sides are provided with the first side wall, be extended with integrally formedly and be positioned at second sidewall of the first side wall inboard by the back side of insulator forward, be equipped with elongated slot between described second sidewall and contiguous the first side wall with the first side wall.

3. electric connector as claimed in claim 2 is characterized in that: the internal layer shield is corresponding with the shape of the docking groove of insulator, and each is extended with extension to the back side of insulator in the both sides of internal layer shield.

4. electric connector as claimed in claim 3 is characterized in that: the part that outer shield is shielded in the insulator back side is made as the back, and the both sides at this back are bent with at least two inflexed parts to insulator interface direction respectively certainly.

5. electric connector as claimed in claim 4 is characterized in that: first buckling body of internal layer shield is the breach that is arranged on the extension of above-mentioned internal layer shield.

6. electric connector as claimed in claim 5 is characterized in that: the second set buckling body is terminal the fastening lamellar body of routing up to the first side wall direction towards a lateral margin of breach in the inflexed part on the outer shield.

7. electric connector as claimed in claim 6, it is characterized in that: the extension of the inflexed part of outer shield and internal layer shield both sides all extends in the elongated slot between first and second shields of insulator both sides, and will fasten lamellar body by described inflexed part and insert in the breach on the extension that stretches into the internal layer shield shell and fasten.

8. electric connector as claimed in claim 7 is characterized in that: the inflexed part of turning in the external shielding body is extended with several pins again respectively downwards.

9. electric connector as claimed in claim 8 is characterized in that: convex with a butt joint flange from the back side to the equal one of interface in the docking groove of insulator, terminal accommodation holes promptly is arranged on the butt joint flange.

10. electric connector as claimed in claim 9 is characterized in that: the end of internal layer shield extension is provided with the deduction sheet that turns up to internal layer shield both sides.