CN1320707C

CN1320707C - Connector

Info

Publication number: CN1320707C
Application number: CNB200310122556XA
Authority: CN
Inventors: 曾珽章
Original assignee: HUAQI ELECTRONIC INDUSTRY Co Ltd
Current assignee: Jiaze Terminal Industry Co ltd; Pegatron Corp
Priority date: 2003-12-11
Filing date: 2003-12-11
Publication date: 2007-06-06
Anticipated expiration: 2023-12-11
Also published as: CN1627569A

Abstract

The present invention relates to a connector which comprises an isolation body, two grounding elements respectively positioned on two opposite external surfaces of the isolation body, a plurality of signal terminals respectively penetrated through the isolation body and a plurality of grounding terminals, wherein each grounding terminal is provided with a third contact part extended inside the isolation body, and a fourth contact part extended from one end of the third contact part and protruded outside the bottom of the isolation body; a barrier is formed outside the connection position of the third contact part and the fourth contact part, and as a result, when the grounding elements are combined on the external surfaces of the insulation body, the bottom edges of the grounding elements can be firmly abutted on the barrier of each grounding terminal for providing a favorable grounding effect. Moreover, the present invention can effectively prevent electromagnetic radiation interference.

Description

Connector

(1) technical field

The relevant a kind of connector of the present invention is meant that especially a kind of ground connection effect is good, can effectively prevent the connector that electromagnetic radiation disturbs.

(2) background technology

As shown in Figure 1, 2, 3, existing connector 1 includes an insulation shell 11, two ground strips 12, a plurality of signal terminal 13 and a plurality of earth terminal 14, insulation shell 11 has two opposite side walls 111, connects the end walls 112 of two opposite side walls 111, and one by this special wall 111,112 around the hollow chamber 113 that forms, two opposite side walls 111 inner surfaces are formed with a plurality of conduits 114 for ccontaining each

terminal

13,14, and each sidewall 111 root edge is formed with a plurality of poor ditches 115 that communicate with each conduit 114 respectively.And signal terminal 13 and earth terminal 14 are all L-shaped, and have a first end 131,141 and a second end 132,142 that extends from each first end 131,141 respectively, each signal terminal 13 and each earth terminal 14 nationality respectively help its first end 131,141 to place each conduit 114 interior the second end 132,142 that reach to place in each groove 115, and are positioned in the hollow chamber 113 of insulation shell 11.In addition, each sidewall 111 outer surface is formed with a plurality of location notchs 116, and ground strip 12 apical margins are protruding with a plurality of connecting portions 121 corresponding to each location notch 116 place, nationality helps each connecting portion 121 to stretch to place each location notch 116 and makes each ground strip 12 can be positioned each sidewall 111 outer surface of insulation shell 11, ground strip 12 root edges are protruding with contact site 122 at interval, the earth terminal 14 that is used to conflict, nationality prevents that to reach electromagnetic radiation from disturbing the effect of (being EMI).

Yet because of the height of ground strip 12 must accurately calculate and make, weak point will cause the contact site 122 of the combination back ground strip 12 root edges earth terminal 14 of can't conflicting highly slightly, again if the height of ground strip 12 is long with pushing tow earth terminal 14, cause earth terminal 14 too to protrude, the second end 142 of earth terminal 14 no longer is positioned at same plane with the second end 132 of signal terminal 13, and then can cause when each

terminal

13,14 welding of connector 1 are positioned circuit board in the future, the second end 132 of signal terminal 13 can't touch circuit board, so product fraction defective height.

In addition, because insulation shell 11 is normally made with plastic cement, thereby thin portion size is easy to generate than mistake, width as location notch 116 is excessive, so that after connecting portion 121 stretched into location notch 116, ground strip 12 can form loosening by relative insulation shell 11, cause ground strip 12 to fall down, not only can't the conflict the second end 142 of earth terminal 14 of the contact site 122 of ground strip 12 root edges, the therefore the second end 132 of activation signal terminal 13 causes coming in contact bad phenomenon on the contrary.

(3) summary of the invention

Therefore, it is good to the purpose of this invention is to provide a kind of ground connection effect, can effectively prevent the connector that electromagnetic radiation disturbs.

So, connector of the present invention, use for an interface card and plant, connector includes an insulating body, two earthing members, many signal terminals and a plurality of earth terminal, this insulating body has two opposite side walls, connects the end walls of two opposite side walls, and by this sidewall and end wall around a room that forms, this sidewall outer surface is formed with a plurality of conduits at interval, has been recessed to form a clamping slot in each conduit in addition.And two earthing members are positioned respectively this sidewall outer surface of this insulating body respectively, wherein, this earthing member apical margin is protruding with a plurality of affixed at interval, and affixed is protruding with hook part towards the insulating body direction, make affixed can stretch in the conduit that places insulating body, and hook part install in clamping slot and locate.Each signal terminal all has first contact site that is arranged in the room of this insulating body, and one extends from this first contact site, one end and protrudes from second contact site of sincere insulating body bottom.Each earth terminal has the 3rd contact site that is arranged in the room of this insulating body, and one extend from the 3rd contact site one end and protrude from the 4th contact site of this insulating body bottom, and the outside, the junction of the 3rd contact site and the 4th contact site is formed with a retaining wall, in order to push against respectively this earthing member.

When effect of the present invention was that nationality is combined in respectively this sidewall outer surface of this insulating body by two earthing members, the earthing member root edge can firmly contact at the retaining wall place of each earth terminal, makes that the ground connection effect is good, and can prevent effectively that electromagnetic radiation from disturbing.

(4) description of drawings

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

Fig. 2 is the constitutional diagram of Fig. 1;

Fig. 3 is the profile of being got along the III-III cutting line of Fig. 1;

Fig. 4 is the three-dimensional exploded view of connector one preferred embodiment of the present invention;

Fig. 5 is the constitutional diagram of this preferred embodiment;

Fig. 6 is the profile of being got along the VI-VI line of Fig. 5, shows the aspect of earth terminal and earthing member normal combination location;

Fig. 7 is the profile of being got along the VII-VII cutting line of Fig. 5;

Fig. 8 is the profile of being got along the VIII-VIII cutting line of Fig. 5, after the hook part of demonstration earthing member springs into clamping slot, installs in the aspect of clamping slot diapire face with its root edge:

(5) embodiment

About aforementioned and other technology contents, characteristics and effect of the present invention, in the detailed description of a following cooperation preferred embodiment with reference to the accompanying drawings, can clearly understand.

Be a preferred embodiment of connector 2 of the present invention shown in Fig. 4,5, this connector 2 is to use for an interface card (figure does not show) to plant.Connector 2 includes an insulating body 3, two earthing members 4, a plurality of signal terminal 5 and a plurality of earth terminal 6.This insulating body 3 has two opposite side walls 31, connects the end walls 32 of two opposite side walls 31, centers on a room 33 that forms for the interface card plant by this sidewall 31 and end wall 32, and a diapire 34 (cooperating shown in Figure 6).Two side 31 inner surfaces all are formed with a plurality of first storage tanks 311, and the root edge of two side 31 is formed with a plurality of second and third storage tanks 312,313 that communicate with each first storage tank 311 respectively at interval, and the vertical section height of the 3rd storage tank 313 is than the vertical section height height of second storage tank 312, two side 31 nearly upper edges protrude a plurality of guide pillars 35 at interval, each guide pillar 35 surface has an opening 351, and be formed with a conduit 352 by this opening 351 in guide pillar 35, these conduit 352 centre have been recessed to form a clamping slot 353 in addition.

Cooperate shown in Figure 6ly, be formed with at interval a plurality of ribs 341 on the diapire 34 of insulating body 3, and on the diapire 34 of 341 on adjacent rib in twos, be formed with a plurality of perforates 342.

Each earthing member 4 is formed with a plurality of perforation 41 at interval, and earthing member 4 apical margins are protruding with a plurality of affixed 42 of stretching each conduit 352 of placing insulating body 3 at interval, and a plurality of electrically conflict sheets 43 of contact of interface card that are used for, each affixed 42 is protruding with a hook part 421 towards insulating body 3 directions, each sheet 43 of conflicting is protruding with a guidance part 431 towards insulating body 3 direction arcs, and the contact part 432 of an arc extension self-aiming portion 431, by this when interface card stretches into the room 33 of insulation shell 3, interface card can be under guidance part 431 guiding of the sheet 43 of respectively conflicting of earthing member 4 smooth and easy being inserted in the room 33, the contact part 432 of the sheet 43 of respectively conflicting this moment is tight against interface card to produce electrical contact.

As shown in Figure 7, each signal terminal 5 all have first contact sites of stretching in first storage tank 311 that places insulating body 3 51, extend from first contact site, 51 1 ends and can stretch place second storage tank 312 and and then protrude from second contact site 52 of insulating body 3 bottoms, and first blocking part 53 that extends in contrast to second contact site, 52 direction of extension from first contact site 51, first blocking part 53 is the overhead kick shape, and first blocking part, 53 surfaces are little to be protruding with protruding 531, and this protruding 531 is the best to be the overhead kick shape.

And for example shown in Figure 6, each earth terminal 6 all has the 3rd contact site of stretching in first storage tank 311 that places insulating body 3 61, one extend from the 3rd contact site 61 1 ends and can stretch place the 3rd storage tank 313 and and then protrude from the 4th contact site 62 of insulating body 3 bottoms, and second blocking part 63 that extends in contrast to the 4th contact site 62 direction of extension from the 3rd contact site 61, second blocking part 63 also forms the overhead kick shape, the outside, junction of the 3rd contact site 61 and the 4th contact site 62 is formed with a retaining wall 64, in addition, the height of the 4th contact site 62 is greater than the height (as shown in Figure 7) of second contact site 52 of signal terminal 5.Second blocking part, 63 surfaces are little to be protruding with protruding 631, and this protruding 631 is the best to be the overhead kick shape.

When combination, each earthing member 4 is pasted the two side 31 of touching in insulating body 3 respectively, and pass from lower to upper, make in each affixed 42 conduit 352 that stretches into insulating body 3, spring into as shown in Figure 8 in the clamping slot 353 until each hook part of affixed 42 421, hook part 421 root edges also install in a diapire face 354 places that constitute clamping slot 353, earthing member 4 gets final product integrated positioning, and each signal terminal 5 and earth terminal 6 be placed through respectively in the room 33 of insulating body 3 one by one, and make first of each signal terminal 5, two

contact sites

51,52 place first respectively as shown in Figure 7, two storage tanks 311, in 312, second contact site, 52 ora terminalis are stretched out outside the insulating body 3 by second storage tank 312, and each earth terminal 6 the 3rd, four contact sites 61,62 place first respectively as shown in Figure 6, three ccontaining poor 311, in 313, the 4th contact site 62 ora terminalis are also stretched out outside the insulating body 3 by the 3rd storage tank 313, first blocking part 53 of synchronous signal terminal 5 and second blocking part 63 of earth terminal 6 are also penetrated in the room 33 by each perforate 342 on insulating body 3 diapires 34, utilize each blocking part 53,63 protruding grain 531,631 with corresponding rib 341 wall frictions this is tight and make each terminal 5,6 tight fits are positioned 341 on each rib.The retaining wall 64 of each earth terminal 6 is resisted against perforation 41 places of earthing member 4 at this moment, guarantees the ground connection effect by this, and then can prevent effectively that electromagnetic radiation from disturbing.

In addition; when insulating body 3 because of foozle; so that the width of conduit 352 is excessive; after making affixed 42 to stretch into conduit 352; earthing member 4 can produce loosening phenomenon by relative insulating body 3; in case extraneous the vibrations; cause the hook part 421 of earthing member 4 to break away from clamping slot 353; when earthing member 4 falls down; because the height of the 4th contact site 62 of earth terminal 6 is greater than the height (referring to shown in Figure 7) of second contact site 52 of signal terminal 5, even therefore earthing member 4 falls down, its root edge still can not touch signal terminal 5; but place on the 4th contact site 62 of earth terminal 6, the second hard touchdowm protective effect is provided by this.

Conclude above-mentioned, connector nationality of the present invention is formed with a plurality of perforation 41 at interval by earthing member 4, after whole component compositions are finished, the retaining wall 64 of each earth terminal 6 can be resisted against 41 places of respectively boring a hole of earthing member 4, to produce the effect that card ends, resists, and nationality to be guaranteeing the ground connection effect, and then can prevent effectively that electromagnetic radiation from disturbing.In addition; earthing member 4 is that nationality helps each hook part of affixed 42 421 to spring in the clamping slot 353 when normality; hook part 421 root edges install in clamping slot 353 diapire faces, 354 places and reach the location; when in case insulating body 3 makes earthing member 4 get loose with respect to insulating body 3 generations because of foozle; the height of the 4th contact site 62 that also can utilize earth terminal 6 is greater than the height of second contact site 52 of signal terminal 5; only can fall to placing on the 4th contact site 62 of earth terminal 6 after making earthing member 4 get loose; and direct activation signal terminal 5 not; therefore dual ground protection effect can be provided simultaneously, the purpose of the invention described above can be reached really.

But above-described only is preferred embodiment of the present invention; when can not limiting scope of the invention process with this, promptly every simple equivalent of being done according to the scope of patent protection and the specification disclosure of the present patent application changes to be replaced, all should still belong to equivalence in the scope that patent of the present invention contains.

Claims

1. a connector is used for an interface card and is planted, and this connector includes:

One insulating body has two opposite side walls, connects the end walls of two opposite side walls, and centers on a room that forms by this sidewall and end wall; This sidewall outer surface is formed with a plurality of conduits at interval, has been recessed to form a clamping slot in each conduit in addition;

Two earthing members are positioned respectively this sidewall outer surface of this insulating body respectively; Wherein, this earthing member apical margin is protruding with a plurality of affixed at interval, and affixed be protruding with hook part towards the insulating body direction, makes affixed can stretch in the conduit that places insulating body, and hook part installs in clamping slot and locatees;

A plurality of signal terminals have first contact site that is arranged in the room of this insulating body, and one extends from this first contact site, one end and protrudes from second contact site of this insulating body bottom; And

A plurality of earth terminals, has the 3rd contact site that is arranged in the room of this insulating body, and one extend from the 3rd contact site one end and protrude from the 4th contact site of this insulating body bottom, and the outside, the junction of the 3rd contact site and the 4th contact site is formed with a retaining wall, in order to push against respectively this earthing member.

2. connector as claimed in claim 1, it is characterized in that, respectively this side wall inner surfaces of this insulation shell all is formed with a plurality of first storage tanks, reach respectively first contact site of this signal terminal in order to the 3rd contact site that supplies ccontaining respectively this earth terminal respectively, and respectively this sidewall root edge is formed with a plurality of second and third storage tanks that communicate with this first storage tank respectively respectively, in order to second contact site that this signal terminal respectively is provided respectively and respectively the 4th contact site of this earth terminal stretch and put, respectively the vertical section height of the 3rd storage tank is greater than the vertical section height of this second storage tank respectively.

3. connector as claimed in claim 1, it is characterized in that, this insulating body also has a diapire, be formed with a plurality of ribs on this diapire at interval, and in being formed with a plurality of perforates on this diapire between adjacent rib in twos, respectively this signal terminal also has one first blocking part, respectively this earth terminal also has one second blocking part, this first blocking part is to extend from this first contact site in contrast to this second contact site, this second blocking part then is to extend from the 3rd contact site in contrast to the 4th contact site, respectively this first, two blocking parts are also little respectively to be protruding with protruding, by this in this signal terminal respectively and when respectively this earth terminal is placed through in the room of this insulating body, respectively this protruding grain and corresponding respectively this rib wall friction packing and make respectively that this terminal tight fit is positioned respectively between this rib of first blocking part of this signal terminal and when respectively second blocking part of this earth terminal runs through respectively this perforate respectively respectively, mat.

4. connector as claimed in claim 1 is characterized in that this earthing member is formed with a plurality of perforation at interval, and when this earthing member is positioned respectively this sidewall outer surface of this insulating body, but respectively the proper contact of the retaining wall of this earth terminal respectively should perforation place.

5. connector as claimed in claim 1, it is characterized in that, this earthing member has protruded out a plurality of conflict sheets in apical margin, a guidance part that this conflict sheet protrudes towards insulating body direction arc and an arc extend the contact part from this guidance part, by this when this interface card stretches into the room of this insulation shell, this interface card can be smooth and easy being inserted in this room under this guidance part guiding respectively, and be tight against this interface card and produce electrical contact by this contact part respectively.