CN101194399B - Electric connector with safety locking system - Google Patents

Electric connector with safety locking system Download PDF

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Publication number
CN101194399B
CN101194399B CN2005800500181A CN200580050018A CN101194399B CN 101194399 B CN101194399 B CN 101194399B CN 2005800500181 A CN2005800500181 A CN 2005800500181A CN 200580050018 A CN200580050018 A CN 200580050018A CN 101194399 B CN101194399 B CN 101194399B
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CN
China
Prior art keywords
electric connector
shell
cpa member
locking tab
safety locking
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Expired - Fee Related
Application number
CN2005800500181A
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Chinese (zh)
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CN101194399A (en
Inventor
文森特·雷格尼尔
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Delphi Technologies Inc
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FCI Automotive Holding SAS
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Publication date
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Publication of CN101194399A publication Critical patent/CN101194399A/en
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Publication of CN101194399B publication Critical patent/CN101194399B/en
Expired - Fee Related legal-status Critical Current
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/64—Means for preventing incorrect coupling
    • H01R13/641—Means for preventing incorrect coupling by indicating incorrect coupling; by indicating correct or full engagement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H01R13/6271—Latching means integral with the housing
    • H01R13/6273—Latching means integral with the housing comprising two latching arms

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The invention provides an electrical connector with a safety locking system. The electrical connector comprises a housing having at least one primary locking tab as a primary locking system for latching into a recess of an electrical counter-part connector, and a connector position assurance (CPA) member as a secondary locking system, which is engageable with the housing and comprises at least one secondary locking tab blocking the primary locking tab in the recess of the electrical counter-part connector when the electrical connector is plugged into the electrical counter-part connector in a plug-in direction. At least one security locking tab is formed on the CPA member, which may have at least one security projection adapted to latch behind a security shoulder in a retention slot of the housing to prevent an accidental disengagement of the CPA member, but to allow active disengagement. The security locking tab can be radially deflectable to actively disengage the engaged CPA member by pulling the CPA member along an opposite direction to the plug-in direction.

Description

Electric connector with safety locking system
Technical field
The present invention relates in general to the field of electric connector, in particular to the electric connector that is used for the Vehicular air bag triggering system.
Background technology
In the various applications of electric connector, particularly in automotive field, guarantee and remain on the position in the matching connector thereby electric connector is locked in the appropriate location through two locking systems.This known electric connector has the main lock tabs (tab) of band latch piece, and said latch piece engages with the interior respective slots of matching connector.Said latch piece has inclined side usually on direction of insertion and the direction opposite with direction of insertion, thereby can extract electric connector.
The principle of secondary locking system comprises: through mainly being called additional member that connector position guarantees (CPA) member the latch piece of main lock tabs is blocked in the slit.In case this CPA member is inserted in the shell of electric connector when electric connector is inserted in the matching connector usually, thereby the secondary lock tabs of the form that is the vertical rail of rigidity of CPA member gets in the free slit at main lock tabs rear.Said rail has prevented that latch piece from radially inwardly putting back, thereby guarantees that connector is actual in breech lock.In order to extract, at first to the CPA member be extracted, just main lock tabs is separated.
From the known a kind of electric connector that closed CPA cooperates (matting) that is called of WO 03/103102 A1, it had before the beginning insertion process can be installed to the subsequent use CPA member on the electrical connector housing fully in advance.This CPA member has secondary lock tabs; Wherein on the side of a pair of secondary lock tabs, be formed with wedge projection separated from one another; Said wedge projection makes said secondary lock tabs bend to main lock tabs rear, thereby main lock tabs is locked in correct position.
Therefore, main lock tabs on the one hand no longer along the direction deflection of inserting axis, because the secondary lock tabs that they are the vertical rail form of rigidity stops, perhaps no longer makes secondary lock tabs bending on the other hand under the insertion state.Only if thereby pull up the CPA member as stated, otherwise can not remove electric connector from matching connector.
Yet; Assembling is under loose environment, to carry out; And before inserting may owing to wrong and once more accident extract or pull out preassembled CPA member; Thereby can not guarantee that the CPA member keeps being installed in the shell, and therefore can not guarantee that electric connector remains on the correct position in the matching connector.If it is connector is the orthoscopic connector, so should danger bigger.
Summary of the invention
In view of the above, the object of the present invention is to provide a kind of electric connector with locking mechanism of enhancing, the locking mechanism of this enhancing prevents all of a sudden can not to guarantee and being connected of matching connector.
According to the present invention; A kind of electric connector is proposed; This electric connector comprises: shell, and it has and is used for said electric connector and pairing electric connector at least one main locking device along direction of insertion locking, and connector position is guaranteed (CPA) member; This CPA member can engage with said shell, and comprises at least one the secondary locking device that stops said main locking device.On said CPA member or said shell, form at least one safety locking tab; Said safety locking tab is adapted to latch into the safe shoulder rear that is arranged on in said CPA member and the said shell another, to prevent making said CPA member from said shell accidental separation through the pulling function that edge and said direction of insertion rightabout act on the said CPA member.
Said shell can comprise at least one the interior main lock tabs of recess that is used to be latchable to the pairing electric connector; And said CPA member can comprise at least one secondary lock tabs; When direction of insertion is inserted said electric connector said pairing electric connector, said secondary lock tabs is blocked in said main lock tabs in the recess of said pairing electric connector.
Particularly, but thereby the radial deflection of said safety locking tab separates the CPA member of joint through the follow-up pulling function that edge and said direction of insertion rightabout act on the said CPA member.The operator wants to unload said CPA member from said shell, at first wants inside (correspondingly outside) to push (correspondingly promoting) said safety locking tab, then said CPA member is pulled out said shell.These two step process have prevented that the operator from separating said safety locking tab by error.And, according to the present invention, need not extra instrument through the operator and just can realize separating, and the connector of prior art needs tool using to separate said CPA member usually.
Said safety locking tab can have inclined surface, and the process that this inclined surface is used for engaging with said shell at said CPA member is slided along the inclined surface of said safe shoulder.The orientation of the inclined surface of said safety locking tab and the inclined surface of said safe shoulder can make the radial deflection in the engaging process of said CPA member of said safety locking tab.And said safety locking tab and said safe shoulder are adapted such that the contact of first between them occurs between their inclined surface in the engaging process of said CPA member.Therefore the operator with said CPA member and said shell joint only must be pushed into said CPA member in the said shell, just can said safety locking tab be locked in correct position.He need be in engaging process for example with the said safe shoulder of said safety locking tab pulling through said shell, the rear that also need said safe shoulder not pushed or be assemblied in to said safety locking tab.
Said shell can have abutment surface, and this abutment surface is used for the engaging process and said safety locking tab butt at said CPA member.
In addition, said safety locking tab can have at least one, preferred two side direction safety protuberances, said safe protuberance is used to be latched in the rear of the corresponding safe shoulder of said shell.
Said shell can comprise and is used for the maintenance slit of the said safety locking tab of breech lock within it.
Said safety locking tab, said main lock tabs and said secondary lock tabs can be integrally formed with said CPA member.
Said CPA member preferably can comprise two the safety locking tabs of regular arrangement on the said housing of said CPA member.
Said CPA member can be the moulding plastics parts.
Particularly, said CPA member can engage with said shell before said electric connector being inserted said pairing electric connector.Two secondary breech lock tabs can be suitable for radially being bound to the rear of a main lock tabs.
Description of drawings
From following to detailed description of the preferred embodiment and through will knowing other aspects and features of the present invention, in the accompanying drawing with reference to accompanying drawing:
Fig. 1 shows the exploded view of electric connector according to an aspect of the present invention,
Fig. 2 shows the execution mode according to the CPA member of electric connector of the present invention,
Fig. 3 A to Fig. 3 C shows the electric connector how initiatively to break off and to separate joint or insert through according to the main lock tabs of electric connector of the present invention and the execution mode of secondary lock tabs,
Fig. 4 shows the execution mode according to the safe locking mechanism of electric connector of the present invention,
Fig. 5 shows the execution mode of electric connector of the present invention in the process of CPA member and shell joint,
Fig. 6 shows the modification of the execution mode of the Fig. 4 that is in position latching,
Fig. 7 shows the execution mode of electric connector of the present invention, and wherein the CPA member engages with said shell,
Fig. 8 shows the execution mode of the electric connector in the insertion pairing electric connector according to a further aspect in the invention,
Fig. 9 shows another execution mode according to the safe locking mechanism of electric connector of the present invention,
Figure 10 shows in CPA member and process that said shell engages, according to the electric connector of the execution mode of Fig. 9, and
Figure 11 shows the electric connector according to the execution mode of Fig. 9, and wherein the CPA member engages with shell.
Embodiment
With reference to Fig. 1, it shows the exploded view according to electric connector 1 of the present invention, and this electric connector 1 comprises that substantially shell 2, electric device and connector position guarantee (CPA) member 3.
Shell 2 constitutes by connecting body 7 and covering 8, on this connection body 7, is formed with main lock tabs 5a, 5b as main locking system.Preferably, lid 8 can be fastened on the connection body 7 through being locked in the corresponding recesses 10a, the lid tab 9a among the 10b, the 9b that connect body 7.Shell 2 comprises forepiece 14 and back part 15, and this forepiece 14 is inserted in the corresponding mating member according to the direction of insertion along axis 20, and this back part 15 is suitable for receiving the CPA member 3 as secondary locking system.
Main lock tabs 5a, 5b are formed on the forepiece 14 of shell 2 of electric connector 1, are positioned on the both sides of inserting axis 20. Main lock tabs 5a, 5b longitudinal extension and bending diametrically.They also comprise latch piece 22a, 22b, and said latch piece 22a, 22b have rear-inclined side (or convergent face) 24a, 24b and top rake side (or convergent face) 25a, 25b on their outer surface.Electric connector 1 is being inserted in the process of pairing electric connector 54; Top rake side 25a, the 25b of the latch piece 22a of each main lock tabs 5a, 5b, 22b slide on the corresponding shoulder of matching connector 54, thus each latch piece 22a, 22b inside elastic deflection radially.Then, the latch piece 22a of main lock tabs 5a is in the shoulder rear is latchable to slit or groove.
The electric device of electric connector 1 comprises being connected to and inserts inner last lead 13a, the 13b of external member 11a, 11b of shell 2 regularly. Lead 13a, 13b be for example as illustrated to be crimped onto external member 11a, 11b is last, and this embodiment is utilized two lead 13a, 13b and two external member 11a, 11b. External member 11a, 11b are positioned at the forepiece 14 of electric connector 1, make electric connector 1 is being inserted into corresponding 54 last times of pairing electric connector, and the contact of the plug formula at matching connector 54 places penetrates external member 11a, 11b.Ferrite elements 12a, 12b can be used to filter possible electronic jamming around external member 11a, 11b.
Electric connector 1 of the present invention is particularly suitable for as the gas generator electric connector in the airbag system for vehicle, and this electric connector 1 can be inserted in the mating electrical connector of gas generator.Through external member 11a, 11b being electrically connected of gas generator electric connector and mating electrical connector is provided then, and provides and being electrically connected of air bag controlled unit via lead 13a, 13b.
Fig. 2 shows the stereogram as the CPA member 3 of secondary locking system, and CPA member 3 is preferably the single-piece form that is made up of the forming polymer material.CPA member 3 can be displaced in the back part 15 of the shell 2 of assembling in advance that contains electric device according to direction of insertion.CPA member 3 generally includes the exterior part that is housing 16 forms, and the inner member in the profile of this housing 16 and shell 2 and the inner part 17 is complementary.
Be installed to 2 last times of shell at CPA member 3, that is, under the installment state of electric connector 1, housing 16 is at least partially or completely around the back part 15 of shell 2.In the embodiment of Fig. 2; Housing 16 comprises rear section 18 and side sections 19; Make the installation personnel on the assembly line can handle CPA member 3 CPA member 3 is correctly inserted and is installed on the shell 2 along direction of insertion, wherein the lead 13a of electric connector 1,13b are directed on the control unit of gas-bag system for example through this rear section 18.
The inner part 17 of CPA member 3 also comprises rail 21a, 21b and secondary lock tabs 4a to 4d except other member, they extend also and can in the corresponding recesses in the shell 2, slide along direction of insertion.Be in installment state following time at electric connector 1, the said inner part 17 of CPA member 3 is positioned at the inside of shell 2.
Rail 21a, 21b are suitable for moving the shorting clip of pairing electric connector 54.In fact, the matching connector 54 of the electric connector 1 of the present invention shorting clip that has pin formula contact usually and be used to make said pin formula contact electrical short.(or installing in advance) is installed in shell 2 and electric connector 1 when matching with matching connector 54 at CPA member 3; Said shorting clip moves away from pin formula contact through rail 21a, 21b; Thereby at pin formula contact with after external member 11a, 11b are electrically connected, being electrically connected between cancellation shorting clip and the pin formula contact.
Secondary lock tabs 4a to 4d is fastened on the housing 16, usually and housing 16 integrally formed, and extend in couples along direction of insertion.But their elastic bendings, and on each secondary lock tabs 4a to 4d, be formed with wedge projection 23a to 23d, thus when wedge projection 23a, 23d bump matching connector 54, two secondary lock tabs 4a, 4d in opposite directions are crooked toward each other.
When the electric connector 1 (that is, CPA member 3 is installed in the shell 2) with assembling was inserted in its matching connector 54, the latch piece 22a of main lock tabs 5a at first clashed into the shoulder of matching connector 54.If further electric connector 1 is shifted onto in the matching connector 54; Then latch piece 22a slides along shoulder; Make lock tabs 5a on the direction of inserting axis 20, radially bend, this moment, the main lock tabs 5a through bending prevented secondary lock tabs 4a, 4b deflection in the horizontal.Then; At latch piece 22a through shoulder and when being locked in the recess area of matching connector 54; Main lock tabs 5a bounces back into its initial position, and the secondary lock tabs 4a of CPA member 3,4b bend to the rear of main lock tabs 5a owing to wedge projection 23a, 23b and contacting of matching connector 54.
Side sections 19 18 extends to front end 30 along direction of insertion from the rear section always, is formed with safety locking tab 6a, 6b longitudinally at this front end place.Although this execution mode shows safety locking tab 6a, the 6b of two symmetries, but other execution modes can only illustrate a said tab 6a, 6b, illustrate alternatively perhaps that preference rule distributes more than two said tab 6a, 6b.Below will safety locking tab 6a, 6b be described in further detail with reference to Fig. 4 to Fig. 7.
Below the description of the safe locking mechanism that is arranged on secondary locking system place is related to the respective element of a safety locking tab 6b and shell 2.Yet, the invention is not restricted to only such mechanism, as stated, electric connector 1 according to the present invention can comprise several (preferred two) safety locking tab 6a, 6b.
To the execution mode according to safe locking mechanism of the present invention be described with reference to Fig. 4 to Fig. 7 now.In this execution mode, each safety locking tab 6a, 6b are formed on the side sections 19 of housing 16 of CPA member 3.It is along the direction of insertion longitudinal extension, and is made up of three continuous parts, that is, and and rear section 31, mid portion 32 and forward part 33.
Safety locking tab 6b is fastened to the front end 30 of housing 16 through the rear section 31 that is the rail form.Insertion axis 20 is departed from up to mid portion 32 from front end 30 beginnings of CPA member 3 along direction of insertion gradually radially outwardly in rear section 31, and mid portion 32 preferred parallel are in inserting axis 20.Rear section 31 is sized to make them the person of being used to push with mid portion 32, thereby makes safety locking tab 6a towards inserting axis 20 bendings.
Safety locking tab 6a ends in forward part 33.Forward part 33 is followed mid portion 32, and than mid portion 32 more near inserting axis 20.Forward part 33 comprises two relative side safety protuberance 37a, 37b, front surface 34, intermediate surface 35 and lower surface 36 (referring to Fig. 2).Each safe protuberance 37a, 37b comprise inclined surface 38, intermediate surface 39, keep surface 40 and side surface 41.
Other elements of safe locking mechanism of the present invention are the part of the shell 2 of electric connector 1.On the side surface 42 of shell 2, be formed with two parallel area supported 43a, 43b, these area supporteds are perpendicular to side surface 42 and be parallel to insertion axis 20.The abutment surface 44 that also is formed on the side surface 42 connects said two area supported 43a, 43b, perpendicular to the side surface 42 of shell 2, perpendicular to area supported 43a, 43b and perpendicular to inserting axis 20.Area supported 43a, 43b and abutment surface 44 begin to draw to the outside of shell 2 from side surface 42.
Last at each area supported 43a, 43b, be formed with safe shoulder 45a, 45b along the direction of another area supported 43a, 43b.Each safe shoulder 45a, 45b comprise towards the side surface 49 of the side surface 49 of another safe shoulder 45a, 45b, keep surface 48, intermediate surface 47 and inclined surface 46.
Fig. 4 shows the electric connector of the present invention 1 when CPA member 3 being joined to engaging process in the shell 2 and begin.Safety locking tab 6b is in its normal position, that is, it does not have bending, and enters between said two the area supported 43a, 43b of shell 2.In this stage, area supported 43a, 43b have played the effect of the guiding piece of CPA member 3 through guiding said two safe protuberance 37a, the side surface 41a of 37b, 41b.
Fig. 5 shows and joins CPA member 3 in the shell 2 next step.The position of CPA member 3, safe protuberance 37a, 37b and safe shoulder 45a, 45b makes first between CPA member 3 and the shell 2 contact occur between the inclined surface 46 of inclined surface 38 and the safe shoulder 45a of safe protuberance 37a, 37b, 45b.
In the embodiment of electric connector 1, each safe shoulder 45a, 45b comprise leader 53a, the 53b that forms along the direction of the back part 15 of shell 2, and CPA member 3 can be bonded on leader 53a, 53b place.Said two safe shoulder 45a, the leader 53a of 45b, 53b are funnel-form, thereby in the engaging process of CPA member 3, between safety shoulder 45a, 45b, guide safety locking tab 6a, 6b.Leader 53a, 53b are to lateral edges 58a, the 58b channeling conduct of the forward part 33 of safety locking tab 6a, 6b.
Angle [alpha] between the inclined surface 38 of safe protuberance 37a, 37b and the insertion axis 20 sAnd safe shoulder 45a, the inclined surface 46 of 45b and the angle beta between the insertion axis 20 sEqual or at least very approaching.When further being incorporated into CPA member 3 in the shell 2, each safe protuberance 37a, 37b all on direction of insertion safe shoulder 45a, the 45b along fixing respective complementary slide, and radially slide towards inserting axis 20.In order to guide the motion of safe protuberance 37a, 37b, safety locking tab 6a, 6b to intrinsic deflection up to respect to the angle delta=Δ that inserts axis 20 1≠ 0, not having the initial angle of crooked safety locking tab 6a, 6b and said axis is Δ=Δ 0=0.
Therefore, the width of safety locking tab 6a, 6b makes them can be inserted between two safe shoulder 45a, the 45b.Particularly, at least the width of their forward part 33, advantageously also have them the width of mid portion 32 less than the distance between said two safe shoulder 45a, the 45b.Safety locking tab 6a, 6b under any circumstance all have shoulder through space 50, and this shoulder is used to supply each safe shoulder 45a, 45b to slide and pass through to their rear along safe protuberance 37a, the 37b of correspondence through space 50.
In next step, the intermediate surface 39 of safe protuberance 37a, 37b is slided along the intermediate surface 47 of safety shoulder 45a, 45b, and preferably, safety locking tab 6a, 6b do not have other deflection, thereby when this slides end, Δ=Δ 2=Δ 1In a preferred embodiment, there are not the safe protuberance 37a of deflection, intermediate surface 35 and the angle [alpha] of inserting axis 20 of 37b iEqual or near Δ 1Thereby the contact between safety locking tab 6a, 6b and the shell 2 is smooth, can not disturbed by any square edge.In another embodiment, the intermediate surface 47 of safe shoulder 45a, 45b and the angle beta that inserts axis 20 mBe zero, and do not have the safe protuberance 37a of deflection, the intermediate surface 39 of 37b and the angle [alpha] of said insertion axis 20 mBe Δ 1Like this, the contact between the said intermediate surface 39 and 47 is maximum, because they are parallel in this stage.
With reference to Fig. 6 and Fig. 7, when further being pushed into CPA member 3 in the shell 2, rebound their initial position of safety locking tab 6a, 6b is with the angle delta of inserting axis 20 3=Δ 0=0, and CPA member 3 gets into its position that engages fully.At this bonding station, CPA member 3 receives the stopping of abutment surface 44 of shell 2 on direction of insertion, and receives stopping of safe shoulder 45a, 45b in the opposite direction, thereby CPA member 3 is locked in correct position.The maintenance surface 48 of safe shoulder 45a, 45b is with respect to the angle beta that inserts axis 20 rAnd the maintenance of safety locking tab 6a, 6b surface 40 is with respect to the angle [alpha] of inserting axis 20 rInitial or final position at them is preferably 90 °, to prevent that safety locking tab 6a, 6b are radially inwardly or to extrinsic deflection.
In this execution mode, the front surface 34 of safety locking tab 6a, 6b connects with the abutment surface 44 of shell 2.According to other execution mode, the front surface of only safe protuberance 37a, 37b or only the front surface of forward part 33 be designed to against said abutment surface 44.
For CPA member 3 is separated with the shell 2 of electric connector 1, the operator need inwardly push safety locking tab 6a, 6b on one's own initiative according to arrow 55, according to arrow 56 CPA member 3 is pulled out shell 2 then.Guaranteed the safety that connects especially through this two step disengagement process of CPA member 3.In fact, if the operator spurs CPA members 3 from shell 2 by error, then safety locking tab 6a, 6b remain engagement state, thereby can not break off connection by error.
In case the operator pushes rear section 31 and/or the mid portion 32 of safety locking tab 6a, 6b according to arrow 55; The maintenance surface 48 of then corresponding safe shoulder 45a, 45b no longer keeps safe protuberance 37a, 37b, thereby causes making CPA member 3 and shell to be opened in 2 minutes against direction of insertion according to second operation that arrow 56 spurs CPA members 3.This is respectively shown in Fig. 3 A and Fig. 3 B.Afterwards, can itself and its mating member be opened in 54 minutes through further spurring electric connector 1, shown in Fig. 3 C according to arrow 57.
Show safety locking tab 6a, 6b with reference to Fig. 4 to execution mode shown in Figure 7, on the opposite side of said safety locking tab 6a, 6b, be formed with two safe protuberance 37a, 37b.Other execution modes according to electric connector 1 of the present invention only comprise so safe protuberance, and this safe protuberance can be positioned on the side of forward part 33 or in another zone of said forward part 33, for example forwardly divides 33 centre.Therefore; Need for each safe protuberance 37a, 37b all provide one freely shoulder through space 50; Thereby safe shoulder 45a, 45b can promote through the rear to safety protuberance 37a, 37b to slide; That is, make safe protuberance 37a, 37b can cross the protuberance passage slot 52 between side surface 42 and safe shoulder 45a, 45b and move to be positioned at safe shoulder 45a, 45b rear freely keep slit 51.
In other execution modes of the present invention, safety locking tab 6a, the safe protuberance 37a of 6b, the inclined surface 38 of 37b and corresponding safe shoulder 45a, the inclined surface 46 of 45b can have the opposed orientation with respect to above execution mode.That is, when joining to CPA member 3 in the shell 2, safety locking tab 6a, 6b are not to intrinsic deflection, but to extrinsic deflection.Thereby necessary corresponding reversing of the layout of the different elements of safe locking mechanism or change, and separation needs to promote rather than push.
Above-mentioned execution mode is specially to so-called 180 ° of electric connectors 1, or 1,180 ° of orthoscopic electric connector refers to the angle between the outbound course of direction of insertion and lead 13a, 13b.But the present invention can be advantageously used in other connector constructions of for example 90 ° (wherein said angle is the right angle) connectors.
And, other execution modes of the present invention can have with see figures.1.and.2 shown in the different a kind of secondary locking system of the sort of secondary locking system.Said mechanism can for example comprise: the vertical rail of rigidity that will be formed on the CPA member 3 inserts in the shell 2, to prevent any motion of main lock tabs 5a, 5b.Yet, also can use safety locking tab with the secondary locking system of these types such as tab 6a, 6b.
With reference to Fig. 8, show the execution mode of the secondary locking system of a kind of optional type of proposition of the present invention, wherein, electric connector 59 is inserted in the pairing electric connector 54.
Electric connector 59 is main by shell 2, CPA member 3 with comprise that the electric device of external member 11a, 11b constitutes, and during insertion, said external member 11a, 11b are connected to the respective electrical latch 61 of matching connector 54.
Main lock tabs 5a, 5b are formed on the shell, and along the direction of insertion longitudinal extension.But their radial deflections and on their outside, comprise have rear-inclined side 24a, 24b and top rake side 25a, the latch piece 22a of 25b, 22b.During insertion, the shoulder 64 of the leading flank 25a of latch piece 22a, 22b, 25b bump matching connector 54 causes main lock tabs 5a, the inside elastic deflection of 5b.Further insert connector 59 then and make latch piece 22a, 22b spring in the recess 60 of matching connector 54, and make the lock tabs 5a of winner, 5b and matching connector 54 lockings.
CPA member 3 comprises the pair locking rail 62 of rigidity, and said rail is along the direction of insertion longitudinal extension.Each secondary locking rail 62 is designed to be inserted into the main lock tabs 5a that is positioned at correspondence diametrically of shell 2, the slit 63 at 5b rear, thereby prevents the release of main locking system.
Be important to note that, be locked, just CPA member 3 is installed in the shell 2 in case shell 2 is inserted in the matching connector 54 and through main lock tabs 5a, 5b.Before accomplishing this locking, CPA member 3 was perhaps opened with said shell in 2 minutes, perhaps was positioned at the pre-assembled position of shell 2.Said pre-assembled position under any circumstance all should allow main lock tabs 5a, 5b be enough to be latched in shoulder 64 rears to intrinsic deflection.
The safety locking system of this execution mode is with identical with reference to the safety locking system of the described execution mode of Fig. 4 to Fig. 7.Particularly, shell 2 comprises safe shoulder 45a, 45b, and the CPA member comprises safety locking tab 6a, the 6b with safe protuberance 37a, 37b, and these safe protuberance 37a, 37b are designed to be locked in the rear of said safe shoulder 45a, 45b.
Therefore, if the operator wants separation of C PA member 3 and shell 2, he must push or promote the safety locking tab wittingly before pulling CPA member 3.Therefore, can prevent the accidental separation of CPA member 3.The operator also can manually and remove the CPA member in addition with need not any instrument, and this is opposite with connector of the prior art.
With reference to Fig. 9 to Figure 11, show the electric connector with secondary locking system 70 according to another embodiment of the present invention.
Electric connector 70 comprises CPA member 3 ' and shell 2 ', and this shell 2 ' comprises retainer module 71, interface shell module 72 and covers 8.Retainer module 71 is connected body 7 ' with interface shell module 72 formations; And tighten together through two shoulder 73a, 73b of retainer module 71, said two shoulder 73a, 73b are designed to be contained in two corresponding recess of said interface shell module 72.
The main lock tabs 5a, the 5b that are adapted to latch in the groove of matching connector 54 are formed on the interface shell module 72.
Safety locking tab 74a, 74b be formed on the retainer module 71 and along the direction longitudinal extension opposite with direction of insertion up to fore-end 79.Each safety locking tab 74a, 74b can be with respect to inserting axis 20 radially inwardly or to extrinsic deflection, and on the outside of fore-end 79, comprise the front surface 75 vertical with inserting axis 20, inclined surface 76, preferably intermediate surface 77 parallel with inserting axis 20 and the maintenance surperficial 78 vertical with said insertion axis 20.
CPA member 3 ' comprises rear section 80, side sections 81 and forward part 82.The secondary lock tabs 4a to 4d of CPA member 3 ' and rail 21a, 21b pass forward part 82 along direction of insertion.Security slot 83 is formed on the side sections 81 of CPA member 3 ', and longitudinal extension is up to forward part 82.
Secondary lock tabs 4a to 4d and rail 21a, 21b are similar to referring to figs. 1 through the secondary lock tabs 4a to 4d in the execution mode shown in Figure 7 and rail 21a, 21b.According to an optional execution mode, the secondary locking system of CPA member 3 ' comprises above with reference to the described rigid locking rail of Fig. 8, and said rigid locking rail is designed to radially be inserted into the corresponding main lock tabs 5a of shell 2 ', the rear of 5b.
In each security slot 83 of CPA member 3 ', be formed with safe shoulder 45 ', discharge tab 84 and butt shoulder 85.
Safe shoulder 45 ' is preferably formed between two relative lateral 86 of security slot 83.Said safe shoulder 45 ' shows inclined surface 46 ', advantageously is parallel to the intermediate surface 47 ' of inserting axis 20 and keep surface 48 '.Intermediate surface 47 ' and keep edge 87 chamfering preferably between the surface 48 '.Passage slot 93 is opened safe shoulder 45 ' back surperficial 94 minutes with security slot 83.
Discharge the rear section 80 that tab 84 is fixed to CPA member 3 ' rigidly.It extends along direction of insertion, and can be towards inserting axis 20 radially to intrinsic deflection.The outside 88 comprises part 89, and the operator can promote this part 89 so that discharge tab 84 to intrinsic deflection.The inboard 90 that discharges tab 84 comprises inner surface 91 and abutment surface 92.When making release tab 84 to intrinsic deflection, inner surface 91 is suitable for safety locking tab 74a, the 74b of the correspondence of radial push shell 2 ', and abutment surface 92 is designed to against safety shoulder 45 '.
Butt shoulder 85 is formed in the security slot 83; Between said two relative lateral 86; And be positioned between the rear section 80 of passage slot 93 and CPA member 3 ', thereby can be among the safety locking tab 74a, the process of 74b in it is inserted into passage slot 93 against butt shoulder 85.
Figure 10 and Figure 11 show and join CPA member 3 ' in the shell 2 ' process.In this engaging process, the inclined surface 76 of safety locking tab 74a, 74b is against the inclined surface 46 ' of safety shoulder 45 '.When further engaging CPA member 3 ', safety locking tab 74a, 74b be to intrinsic deflection, and slide in the passage slot 93 along inclined surface 46 ' and intermediate surface 47 '.In case intermediate surface 77 has been passed through safe shoulder 45 ', then safety locking tab 74a, 74b are returned to its initial position, and are latchable to the rear on the maintenance surface 48 ' of safe shoulder 45 '.
For from shell 2 ' separation of C PA member 3 ', need the operator through for example push promote part 89 and simultaneously CPA member 3 ' is pulled out shell 2 ' and on one's own initiative deflection discharge tab 84.Thereby avoided the accidental separation of CPA member 3 '.
Because discharge the deflection of tab 84, inner surface 91 back into safety locking tab 74a, 74b in the passage slot 93, make to keep surface 48 ' no longer to lock said safety locking tab 74a, 74b.Thereby can be through CPA member 3 ' being pulled out and easily itself and shell 2 ' being separated.

Claims (10)

1. an electric connector (1), this electric connector comprises:
Shell (2), this shell have be used for said electric connector (1) and pairing electric connector (54) along at least one main locking device of direction of insertion locking (5a, 5b), and
Connector position is guaranteed member, i.e. CPA member (3), this connector position guarantees that member can engage with said shell (2), and comprise stop said main locking device (5a, the secondary locking device of 5b) at least one (4a, 4b, 4c, 4d),
Go up at least one the safety locking tab (6a that forms at said CPA member (3) or said shell (2); 6b); Said safety locking tab is adapted to latch into the safe shoulder (45a that is arranged on in said CPA member (3) and the said shell (2) another; Rear 45b) is to prevent making said CPA member (3) from said shell accidental separation through the pulling function that edge and said direction of insertion rightabout act on the said CPA member
Said electric connector is characterised in that
Thereby said electric connector also comprises and is suitable for the release tab (84) that said CPA member that the said safety locking tab of radial deflection will engage initiatively separates.
2. electric connector according to claim 1,
It is characterized in that,
(6a 6b) has inclined surface (38) to said safety locking tab, and the process that this inclined surface is used for engaging with said shell (2) at said CPA member (3) is along said safe shoulder (45a, inclined surface 45b) (46) slip.
3. electric connector according to claim 2,
It is characterized in that,
(6a, (45a, the orientation of inclined surface 45b) (46) makes said safety locking tab (6a, 6b) radial deflection in the engaging process of said CPA member (3) to said safety locking tab for inclined surface 6b) (38) and said safe shoulder.
4. electric connector according to claim 1,
It is characterized in that,
Said shell (2) has abutment surface (44), and this abutment surface is used for the engaging process and said safety locking tab (6a, 6b) butt at said CPA member (3).
5. electric connector according to claim 1,
It is characterized in that,
(6a, (37a, 37b), said safe protuberance is used to be latched in corresponding safe shoulder (45a, rear 45b) of said shell (2) to said safety locking tab 6b) to have at least one side direction safety protuberance.
6. electric connector according to claim 1,
It is characterized in that,
Said shell (2) comprise keep slit (51), this maintenance slit (51) be used within it the said safety locking tab of breech lock (6a, 6b).
7. electric connector according to claim 1,
It is characterized in that,
Said CPA member (3) comprise two safety locking tabs on the housing (16) that is arranged in said CPA member (3) regularly (6a, 6b).
8. electric connector according to claim 1,
It is characterized in that said electric connector (1) is being inserted said pairing electric connector (54) before, and said CPA member (3) can engage with said shell (2).
9. electric connector according to claim 1,
It is characterized in that
Said main locking device (5a 5b) comprises a main lock tabs, said secondary locking device (4c 4d) comprises two secondary breech lock tabs for 4a, 4b,
Said two secondary breech lock tabs are suitable for radially being bound to a said main lock tabs rear.
10. electric connector according to claim 5,
It is characterized in that
Said safety locking tab (6a, 6b) have two side direction safety protuberances (37a, 37b).
CN2005800500181A 2005-06-06 2005-06-06 Electric connector with safety locking system Expired - Fee Related CN101194399B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2005/007882 WO2006131141A1 (en) 2005-06-06 2005-06-06 Electrical connector with security locking system

Publications (2)

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CN101194399A CN101194399A (en) 2008-06-04
CN101194399B true CN101194399B (en) 2012-02-22

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Application Number Title Priority Date Filing Date
CN2005800500181A Expired - Fee Related CN101194399B (en) 2005-06-06 2005-06-06 Electric connector with safety locking system

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EP (1) EP1891712B1 (en)
CN (1) CN101194399B (en)
WO (1) WO2006131141A1 (en)

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CN102132465B (en) * 2008-08-04 2013-10-16 富加宜汽车控股公司 Electrical connector components and a method for unmating the same
CN102754288B (en) * 2009-12-09 2015-07-08 富加宜汽车控股公司 Connector assembly
GB2516555B (en) * 2013-06-26 2015-07-29 Avx Corp Single element wire to board connector
FR3050078B1 (en) 2016-04-11 2019-11-08 Tyco Electronics France Sas PYROTECHNIC CONNECTOR
USD831579S1 (en) 2017-06-14 2018-10-23 Delphi Technologies, Inc. Connector position assurance device
US9929509B1 (en) 2017-06-12 2018-03-27 Delphi Technologies, Inc. Connector system with low profile connector position assurance device

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CN101194399A (en) 2008-06-04
EP1891712A1 (en) 2008-02-27
EP1891712B1 (en) 2015-08-05
WO2006131141A1 (en) 2006-12-14

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