CN1075675C

CN1075675C - Secondary locking mechanism for connectors

Info

Publication number: CN1075675C
Application number: CN95115331A
Authority: CN
Inventors: 杰奎斯·拉兰格; 奥利维尔·帕玛特
Original assignee: Whitaker LLC
Current assignee: Whitaker LLC
Priority date: 1994-08-19
Filing date: 1995-08-11
Publication date: 2001-11-28
Anticipated expiration: 2015-08-11
Also published as: CN1125381A

Abstract

A first conjunctive component includes a first case and a second case for a second locking action. The first case is provided with an elastic lock-in dogging for an inner lock-in terminal of the case. The elastic lock-in dogging ensures that the second case can be arranged on the first case only when the terminal is completely inserted and arranged in the first case; the first case also comprises an elastic block-pin on the flaunching of a block-pin for locking a first conjunctive component onto a second one. The elastic block-pin ensures that only when the second case is completely arranged on the first case, a chock block can slide into a conduit of the block-pin, which allows the front end of the block-pin to deviate and joint the conjunctive components.

Description

Coupling assembling

The present invention relates to a kind of coupling assembling, this coupling assembling has a kind of secondary locking apparatus of connector, if it is not on the latched position that the terminal of guaranteeing wherein obtains secondary locking, then this locking mechanism does not allow connector to connect.

Some connector comprises the primary device that is used for electric terminal is locked onto connecting box, and additional fixing is provided and guarantees the secondary locking apparatus of this terminal locking in this box, there are the various modes that secondary locking apparatus is provided at present, wherein a kind of such device provides first box that is used for holding terminal, this first box has with the integrated dogging of this box and is entrenched in the groove or eyelet of a terminal, himself is locked within this box chamber.Such connector also comprises second box, and this box is sleeved on connecting on the face of first box, and has wall portions, and this wall portions is fitted in this integrated dogging back and opens to stop them, so just guarantees that this terminal locks wherein securely.People know will dispose the system that has a kind of device, and this device can prevent that this connector is coupled on the connector of an interworking under secondary latched mechanism is not fully assembled to situation in first box.

Constantly need to improve the secondary locking apparatus of connector,, also further require to make connector compact as far as possible and have a cost effectiveness as well as possible so that it is more solid, more reliable and more effective.

Thereby one of purpose of the present invention provides a coupling assembling that has first box and secondary lock box, and this secondary lock box has higher reliability and guarantees that terminal effectively is locked among this coupling assembling

Another purpose of the present invention is for coupling assembling provides a solid and reliable secondary locking apparatus, if secondary locking apparatus is not to be in a latched position exactly, it will prevent that coupling assembling is coupled on the coupling assembling of interworking.

The objective of the invention is by providing a kind of coupling assembling that is used to be connected to an interworking coupling assembling to realize, this coupling assembling comprises and is used for holding first box of terminal therein and can be assembled into second box on this first box, this first box and second box can be assembled in a pre-installed position and one dress up the position fully so that terminal is locked wherein securely terminal held wherein and can relatively move, this coupling assembling also comprises elasticity card door bolt, this elasticity card door bolt can match so that two coupling assemblings are locked together with a card door bolt bead of interworking coupling assembling, it is characterized in that described elasticity card door bolt comprises that one is connected to a coupling part and the from then on extended elasticity free end with a kelly on described first box; Described second box is provided with a retaining platform, this retaining platform is close to kelly when pre-installed position lower surface to be preventing the skew of card door bolt, thereby prevents the connection of coupling assembling, dressing up fully on the position, the retaining platform moves past the lower surface of kelly, thereby allows to block the resilient bias of door bolt to connect coupling assembling.

Wherein, first box has and is used for locking therein the elasticity dogging of terminal, the wall portions slip that second box has to this elasticity dogging outside so that it is blocked in latched position.Elasticity card door bolt has and can fasten the buckle part that bead cooperatively interacts with a bolt or latch with the card that connects coupling assembling, so that and if second box when not being fully assembled on first box, this buckle part just leans above-mentioned retaining platform, thereby can prevent this card door bolt pressurized skew when it fastens the bead closing with a bolt or latch with the card that connects coupling assembling.If first and second boxes assemble fully, thereby pin terminal locking dogging, then block door bolt and do not lean the retaining platform, and allow card door bolt pressurized skew and closing and be locked in the rear side that the card that connects the connector assembly is fastened bead with a bolt or latch.

Other features of one embodiment comprise, close the inclined-plane in card door bolt buckle part and the two-phase interworking above the card door bolt bead that connects coupling assembling, this two inclined-plane is guaranteed: when each coupling assembling that connects is not coupled to a time-out fully, the elasticity of card door bolt will make the buckle part up and will be that each coupling assembling of connecting of part pushes away separately along card door bolt flange surface, thereby facility does not connect status detection.Card door bolt can be arranged among the cavity of connector to strengthen its protection.

The present invention also provides a kind of coupling assembling, comprise coupling assembling and interworking coupling assembling, wherein, coupling assembling comprises and is used for holding first box of terminal therein and can be assembled into second box on this first box, this first box and second box can be assembled in a pre-installed position and one dress up the position fully so that terminal is locked wherein securely terminal held wherein and can relatively move, this coupling assembling also comprises elasticity card door bolt, this elasticity card door bolt can match so that coupling assembling is locked together with a card door bolt bead of interworking coupling assembling, and it is characterized in that: described elasticity card door bolt comprises that one is connected to a coupling part and the from then on extended elasticity free end with a kelly on described first box; Be provided with a retaining platform at described second box, this retaining platform is close to kelly when pre-installed position lower surface to be preventing the skew of card door bolt, thereby prevents the connection of coupling assembling, dressing up fully on the position, the retaining platform moves past the lower surface of kelly, thereby allows to block the resilient bias of door bolt to connect coupling assembling; The card of interworking coupling assembling door bolt bead is advanced by leaps and bounds among the cavity in this interworking coupling assembling; When coupling assembling connects and first and second boxes when dressing up fully fully, card door bolt bead can inject among the conduit of card door bolt, thereby the mutual closing in card door bolt surface is to lock together coupling assembling securely.

To narrate optimum embodiment of the present invention in conjunction with the accompanying drawings, accompanying drawing is as follows:

Fig. 1 is the 3-D view that first coupling assembling will be connected to the coupling assembling that connects;

Fig. 2 is the end view of each coupling assembling;

Fig. 3 is the cutaway view along each coupling assembling that connects;

Fig. 4 is and the similar view of Fig. 3, but represents that a terminal does not insert first coupling assembling as yet fully;

Fig. 5 is the cutaway view along each coupling assembling that connects, and this section is in another plane of the card door bolt device that dissects each coupling assembling; And

Fig. 6 dissects the cutaway view of each coupling assembling in the plane identical with Fig. 5, but represents that second box does not install on first box of coupling assembling as yet fully.

At first consult Fig. 1,2 and 3, the first electrical connection modules will be connected on the coupling assembling that connects 4, coupling assembling 4 have be used for one of coupling assembling 2 connect the end 8 boxes 6 that hold wherein.Coupling assembling 2 has: first box 14, have cavity 10 in this box, and extend the one terminal and hold end 12 and connect between the end 8 with one, and secondary lock box 16, this box can be set in connecting end 8 and stretch to terminal and holding and hold 12 of first box 14.First and

second boxes

14,16 are individual components, can fit together in pre-installed position, are used for transportation and loading and unloading and allow terminal 18 be loaded in it so that strike up partnership.Fig. 4 represents the pre-installed position of first and

second boxes

14,16.

Consult Fig. 3 and 4 now, section of expression among the figure, a terminal of the coupling assembling 2 of this section by being coupled to complementary coupling assembling 4 holds cavity 10.First box 14 comprises elastic locking dogging 20, its shape such as cantilever beam, have two free ends 22 near connecting end faces 9, this elastic locking dogging 20 and box 14 one-body molded and have near the free end 22 locking projection 24 with the groove or eyelet 26 that are embedded in terminal 18 sidewalls 28 among.As shown in Figure 4, along with projection 24 slips over from electrode sidewall 28, terminal 18 makes it separately can inject cavity 10 by it being applied bias voltage between locking dogging 20.As shown in Figure 3, thus terminal 18 can be inserted into till projection 24 relies on elasticity to snap among the sidewall eyelet 26 terminal locking wherein.

Secondary lock box 16 comprises housing 30, and this housing 30 forms one and is used for holding the cavity 32 that first box 14 connects the end.Housing 30 comprises the fluting 34 of next-door neighbour's locking dogging, allow dogging outwards to be offset when being in as shown in Figure 4 pre-installed position with convenient second lock box, wall portion 36 extends to fluting 34 from connecting end 8, when the secondary lock box is fully assembled on first box, wall portions 36 is repeatedly being pressed the front end 22 that locks dogging 20, as shown in Figure 3.At this complete assembling position, locking dogging 20 is not blocked and outwards moves, so terminal 18 is locked within the cavity 10 securely.Between first and

second boxes

14,16 one card door bolt device (not shown) can guarantee that these boxes are locking together on the assembling position fully securely.Attempting the secondary box is fully assembled on first box under the situation that terminal 18 does not insert as shown in Figure 4 fully, 22 of the front ends of locking dogging 20 can outwards be offset and among the fluting 30 of advancing by leaps and bounds, and can abutment walls portion 36 shoulder 38 and stop that the secondary box is assembled on first box.According to this mechanism, before the secondary lock box can be fully assembled on first box, will guarantee that terminal 18 inserts fully.

Now see also Fig. 5 and 6, coupling assembling is to use by the section of the cavity in first box 40 to represent, comprise elasticity card door bolt 42 in the box, this card door bolt 42 is connected to terminal on first box 14 and is installed near the end 12 positions through coupling part 43, and within cavity 40 vertically to connecting end 9 extensions.The free end 46 of card door bolt 42 ends on the horizontal kelly 44 near connecting end 9 parts, and elastic arm 48 43 reaches kelly 44 from the coupling part, and elastic arm 48 comprises middle part conduit 50, longitudinally through to the back shoulder 52 of horizontal kelly.

Laterally kelly 44 has a front 54 that tilts, and this front 54 can be touched mutually with an interworking inclined-plane 56 of a card door bolt bead 58 and be closed, and charges into the coupling assembling that connects coupling assembling 6 and is installed among the cavity 60 and should card fasten bead 58 with a bolt or latch.Inclined-plane 56 is towards first coupling assembling 2 and extend to another inclined-plane 62; The direction on this inclined-plane 62 deviates from coupling assembling 2, further extends to back-oriented card door bolt surface 64 more forward, and this card door bolt surface 64 can cooperatively interact with the back shoulder 52 of the first coupling assembling kelly 44, two coupling assemblings is locked together, as shown in Figure 5.Card door bolt bead 58 has the thickness that can inject conduit 50, as shown in Figure 5.

Secondary lock box 16 comprises a retaining platform 66, and in pre-installed position, this retaining platform 66 is stretched near the upper surface 67 of himself of the lower surface 68 that is in kelly 44 from housing 30.Retaining platform 66 is to be provided with like this: when second box 16 was in pre-installed position, the upper surface of this retaining platform was pressed close to the lower surface 67 of kelly 44, thereby prevented that kelly from offseting downward.This just means, if second box 16 does not install on first box 14 fully, attempts first coupling assembling 2 is coupled to and can make kelly inclined-plane 54 contact the inclined-plane 56 that card is fastened bead 58 with a bolt or latch on second coupling assembling 4; Offseting downward of kelly 44 is subjected to keeping off stopping of platform 66, thereby prevents the connection of coupling assembling 4,2.If terminal 18 does not inject cavity 10 fully, then second box 16 can not be fully assembled on first box 14, and coupling assembling 2 just can not be coupled on the coupling assembling 4 like this.The thickness that has of retaining platform 66 is less than conduit 50, thereby if the secondary box is fully assembled on first box, kelly 44 can offset downward and retaining platform 66 is injected among the conduits 50, so just allows kelly current and cross card door bolt surface 64, makes back shoulder 52 fastening mutually with it.

The interaction on inclined-

plane

54,56 can guarantee that a component that makes coupling assembling 2 and 4 be tending towards separating is produced by the resilient bias that blocks door bolt 42, so also guarantee if not having breech lock is that one then coupling assembling 2 and 4 can separate, thereby prevent that the part from electrically contacting and providing the simple detection of bad connection.In case kelly 44 has slipped over front bevel 56 and back bevel 62 in positive pressing, interaction therebetween is tending towards coupling assembling is moved to together, thereby guarantees that it is coupled to together fully.

Each coupling assembling after connecting can be untied and separated by an elastic arm 70, this elastic arm 70 divides 72 to be connected on the second coupling assembling box 1 and to extend to from here a free end 74 with bead 76 by a junction, this bead 76 extends to the part 78 of kelly and can give pressure-lift, the back shoulder 52 of kelly is thrown off from card door bolt surface 64, and coupling assembling 2,4 is separated.

The card of coupling assembling

door bolt device

42,58 is in the inside of coupling assembling 2,4, and if terminal and secondary locking apparatus are not fully assembled to together, card

door bolt device

42,58 has and prevents the function that connects between each coupling assembling.Secondly, the inclined-plane that cooperatively interacts 54,56 that has among the card

door bolt element

44,58 can be guaranteed each coupling assembling or connect together fully, or throw off fully.Secondary latched mechanism thereby be subjected to good protection, and compact and reliable.

Claims

1, a kind of coupling assembling (2) that is used to be connected to an interworking coupling assembling (4), this coupling assembling (2) comprises and is used for holding first box (14) of terminal (18) therein and can be assembled into second box (16) on this first box, this first box and second box can be assembled in a pre-installed position and one dress up the position fully so that terminal is locked wherein securely terminal (18) held wherein and can relatively move, this coupling assembling (2) also comprises elasticity card door bolt (42), this elasticity card door bolt can match with a card door bolt bead (58) of interworking coupling assembling (4) with coupling assembling (2,4) lock together, it is characterized in that:

Described elasticity card door bolt (42) comprises that one is connected to a coupling part (43) and the from then on extended elasticity free end (46) with kelly (44) on described first box (14);

Described second box (16) is provided with a retaining platform (66), this retaining platform (66) is close to the lower surface of kelly (44) to prevent the skew of card door bolt (42) when pre-installed position, thereby prevent the connection of coupling assembling (2,4), when dressing up the position fully, retaining platform (66) moves past the lower surface of kelly (44), thereby allows to block the resilient bias of door bolt (42) to connect coupling assembling (2,4).

2, coupling assembling as claimed in claim 1 is characterized in that, card door bolt (42) is combined into one with first box (14), and retaining platform (66) is combined into one with second box (16).

3, coupling assembling as claimed in claim 1 or 2, it is characterized in that, card door bolt (42) is one to have a cantilever beam of longitudinal channels (50), and (43) open to a back shoulder (52) of kelly (44) to this conduit (50) from the coupling part, kelly (44) be provided with longitudinal channels (50) traversed by.

4, coupling assembling as claimed in claim 3 is characterized in that, fastens (42) with a bolt or latch when pressurized is made resilient bias when card, and retaining platform (66) injects among the longitudinal channels (50), and first and second boxes (14,16) are in the state of dressing up fully then.

5, coupling assembling as claimed in claim 1, it is characterized in that, the front end of kelly (44) has an inclined-plane (54), this inclined-plane (54) deviates from back shoulder (52) and can fasten interworking inclined-plane (56) closing mutually of bead (58) with the card of interworking coupling assembling with a bolt or latch, press the mutual closing in interworking card door bolt surface (64) of scratching card door bolt (42) and making back shoulder (52) and card door bolt bead (58) with elasticity, thereby lock onto together securely with it.

6, coupling assembling as claimed in claim 5 is characterized in that, this inclined-plane tilts to such an extent that can produce the vertical component that makes the skew of card door bolt, connects coupling assembling (2,4) as if two and only realizes the part locking, and this component then makes them separate.

7, coupling assembling as claimed in claim 1 is characterized in that, card door bolt (42) is arranged among the cavity (40) of coupling assembling (2).

8, coupling assembling as claimed in claim 1, it is characterized in that, first box (14) comprises elastic locking dogging (20), this elasticity dogging (20) has bead (24) and charges among the cavity (10) that is used for holding therein terminal (18), this bead can chimericly be used for terminal is locked onto among the groove (26) on the terminal (18) on the box (14), second box (16) has wall portions (36), is movable to cover locking dogging place, is used for preventing its outwards skew and lock terminal securely; Wherein, inject in the process of cavity (10) at terminal, shank (20) is outwards scratched partially, thereby, prevent the assembling fully of first and second boxes (14,16) by a surface (38) of its second box (14) of conflicting.

9, a kind of coupling assembling, comprise coupling assembling (2) and interworking coupling assembling (4), wherein, coupling assembling (2) comprises and is used for holding first box (14) of terminal (18) therein and can be assembled into second box (16) on this first box, this first box and second box can be assembled in a pre-installed position and one dress up the position fully so that terminal is locked wherein securely terminal (18) held wherein and can relatively move, this coupling assembling (2) also comprises elasticity card door bolt (42), this elasticity card door bolt can match with a card door bolt bead (58) of interworking coupling assembling (4) with coupling assembling (2,4) lock together, it is characterized in that:

Be provided with a retaining platform (66) at described second box (16), this retaining platform (66) is close to the lower surface of kelly (44) to prevent the skew of card door bolt (42) when pre-installed position, thereby prevent the connection of coupling assembling (2,4), dressing up fully on the position, retaining platform (66) moves past the lower surface of kelly (44), thereby allows to block the resilient bias of door bolt (42) to connect coupling assembling (2,4);

The card of interworking coupling assembling (4) door bolt bead (58) is advanced by leaps and bounds among the cavity (30) in this interworking coupling assembling (4); When coupling assembling (2,4) connects and first and second boxes (14,16) when dressing up fully fully, card is fastened bead (58) with a bolt or latch and can be injected among the conduit (50) of card door bolt (42), thereby the mutual closing in card door bolt surface (52,64) is to lock together coupling assembling (2,4) securely.