CN2219548Y - Blocking key for conductor connector in electric terminal - Google Patents

Abstract

The utility model relates to a blocking key for conductor connectors, which is arranged in a casing (1) with a series of notches (20); each notch receives a conductor connector (6), and the utility model is also provided with a measure which positions a blocking key (2) in the states of anticipated blocking and blocking. The blocking key (2) is composed of a casing with the lateral wall provided with a series of openings (43) which are fitted with the notches (20). A series of blade teeth (51) are protruded along the edge of each opening (43), are respectively embedded into a notch (20) and respectively provided with a column base (53), and the baffle (32) of each notch (20) is provided with a bevel (81). The length of the blade tooth (51) is expanded to the side of the bevel (81) as the anticipated blocking state of the blocking key (2), and is matched with the bevel (81) at the blocking state.

Description

The blocking wedge of conductor jointer in the electric connection

The utility model is a blocking wedge that is used for conductor jointer in the locking electric connection.

Blocking wedge of the present utility model is intended to share with a main shell that has a series of recesses, each can accept a conductor jointer that inserts by the opening of above-mentioned shell one end these recesses, and each recess all has from the means of each conductor jointer of two locking.

This class electric connection is well-known, and is widely used, and especially uses in auto industry.

This situation occurs through regular meeting, perhaps conductor jointer is adorned wrong recess, perhaps insert not enough, to such an extent as to when main shell and another additional shell were installed together, some terminal did not connect, and perhaps connects unreliablely.

People once imagined and utilize locking device to fix conductor jointer, but these devices are all very complicated, and price is also expensive, and installs impracticable.

One of the purpose of this utility model will be created a kind of very reliable exactly, uses and blocking wedge very easily.

Chat according to the utility model, this blocking wedge is to share with a main shell that has a series of recesses, and each can accept a conductor jointer these recesses; One end of each connector all has the means of splicing a lead, and the other end has the means that cooperate with another corresponding conductor jointer; One end of each recess all has the opening of an insertion conductor jointer, and the other end all has a washer on above-mentioned connector direction; A dividing plate of above-mentioned each recess all has a stop flange on the other direction of above-mentioned connector; Also be provided with the means that blocking wedge are positioned at pre-blocking, so that conductor jointer is installed; Be provided with the means that above-mentioned blocking wedge are positioned at blocking equally, so that conductor jointer is latched in the recess; Above-mentioned blocking wedge is characterised in that: it is made up of a shell with the side plate of a series of openings, and the opening of this series of openings and recess coincide, so that conductor jointer is installed; A series of blade tooths are being given prominence on each opening edge edge along side plate, and they all embed each recess on the main body cover separately; An empty end of above-mentioned blade tooth all has the prolongation that suspension column is arranged on the stature; All have a flange on the dividing plate of each recess of main shell, flange is in the part of opening one side, and is more thinner than the part in washer one side of conductor jointer; These two parts couple together and the resistance shelves flange-shape of conductor jointer meets at right angles to the inclined-plane that another part stretches by a shoulder with from thin part; The length of prolongation expands to the next door of shoulder as being in the pre-blocking of blocking wedge together always, and under the blocking of blocking wedge, and prolongation is with after the inclined-plane cooperates, and expands to flange to meet at right angles; Sidewall has the lever that ledge is arranged on the head having on the one side of blade tooth, these ledges match with the washer of the blocking wedge that is in pre-blocking, and flexiblely indentation, so that make locking key enter blocking, last art ledge can match with the washer that is in blocking in blocking.

Because this structure, have only when conductor jointer embeds recess rightly, blocking wedge just can enter blocking, otherwise suspension column can be answered back to conductor jointer and be hindered the activity of blocking wedge.

Have best some bar rod not in front of the sidewall of blade tooth, an empty end of these rods has first most advanced and sophisticated and second tip, two angled diverging in tip, and main shell will have the groove that is used for accepting the bar rod; In each groove, all to be provided with and be used for and first most advanced and sophisticated first flange that cooperates, and be used for and second most advanced and sophisticated second flange that cooperates; Most advanced and sophisticated position with flange should be such: when blocking wedge is in pre-blocking, match with first flange in first tip; When blocking wedge is in blocking, match with second flange in second tip.Can demonstrate,prove blocking wedge like this and be in good pre-blocking, can unexpectedly not throw off.

According to characteristics of making, there is a tongue piece in the front that has the sidewall of blade tooth, and main shell has the groove of two guiding tongue pieces; The length of tongue piece is longer than blade tooth, and the width of the end that tongue piece is empty is than narrow with the adjacent other end of sidewall.Therefore, tongue piece can make things convenient for the installation of blocking wedge on main shell and center.

The empty end of tongue piece has the ledge that same shoulder matches under pre-blocking, and shoulder is arranged on the dividing plate that is connected with the associated end of groove.。

According to another feature, the color of blocking wedge is different with the color of main shell; The guide channel of tongue piece, the one side with the relative above-mentioned main shell end of the insertion mouth end of conductor jointer has an elastic sheet, and when blocking wedge was in blocking, elastic sheet can be separated by the empty end of tongue piece.

Like this, an observable mark just can be arranged, so as to check blocking wedge whether in good condition locking live.

Best, according to a special details, conductor jointer is that recessed (the moon) that is used for accept protruding the tongue piece of (sun) is entered.

The present invention will be described in detail referring now to special implementation method, and the method is only quoted as an example, and shows by accompanying drawing:

Fig. 1 is according to the utility model, and performance has the broken-open perspective view of the connector of blocking wedge.

Fig. 2 is the perspective view of blocking wedge.

Fig. 3 remains the perspective view of blocking wedge.

Fig. 4 is the section view of connector main shell.

Fig. 5 also is the section view of connector main shell.

Fig. 6 is according to the utility model, and performance is used in the perspective view of the joint on the connector.

Fig. 7 is the profile of the joint of Fig. 6.

Fig. 8 is the plane graph of the connector seen according to the arrow A direction of Fig. 1.

Fig. 9 is the perspective view of a thin portion of performance main shell and blocking wedge.

Figure 10,11,12, the 13rd, performance bar bar is at the schematic diagram of diverse location.

Figure 14 is a performance blocking wedge when being in pre-blocking, and blade tooth is at the constructed profile of the recess the inside of main shell.

Figure 15 is the profile according to the 15-15 line among Figure 14.

Figure 16 shows blocking wedge when locking is in blocking, the constructed profile of a blade tooth inside the recess of main shell.

Figure 17 is the profile according to 17-17 line among Figure 16.

Figure 18 is the profile similar with Figure 16 to Figure 14 with Figure 19, and connector is worked as in performance not to be had just blocking wedge to be pinned under the mounted situation.

Figure 20 and Figure 21 be and Figure 14,16,18 and 19 corresponding profiles, performance when connector install not under the situation of deep enough recess, the locking bond energy helps above-mentioned connector to put in place good and soundly.

Figure 22 is the profile according to the 22-22 line among Fig. 1.

Figure 23 is the profile according to the 23-23 line among Figure 22.

Figure 24 is similar to Figure 22, the schematic diagram of performance tongue piece under the state that blocking wedge pins.

Fig. 1 comprises that with the performance of the perspective view cut open a main shell 1 and one are used for making a connector of female conductor jointer 6 blocking wedge 2 easy for installation; This locking bond energy prevents this connector 6 wrong plug directions, has only when above-mentioned connector correctly is installed into the recess of 1 li of above-mentioned main shell, and these blocking wedges could be lived in locking.

Conductor jointer 6 (seeing Fig. 6 and Fig. 7) has the shell 3 that certain flexible material is made, electric conductivity is good by one and forms.

Shell 3 be used for splicing a lead claw 7 an end and at the other end, have a conduit 8 to be used for accepting the connector of flat public affairs.

Conduit 8 is the part beginnings that curve U-shaped by, U-shaped partly comprises a centre slice 8a and two flank 8b and 8c, and flank 8b is extended for a bent part 8d, and it is bent into parallel with centre slice 8a, and fastened by a claw 12, also prolong by the resilient contact tongue 14 of a slice; This tongue piece bends in catheter interior, has a little hook 15 to pass aperture 16 on the centre slice 8a on its head.

Main shell 1 has five recesses 20,21,22,23,24, is used for accepting a connector 6 separately.

Insert connector 6 in recess 22 and 24, its flank 8b is positioned at the bottom; And the bent part 8d of the connector that inserts in the recess 21 respectively up and down.

All there are the identical means of blocking connector 6 or washer 30 inside of recess 20 to 24, and the empty end of connector 6 is close to washer, and flange 31 is projection on dividing plate 32; Above-mentioned flange 31 has a cliff 31a on one side at washer 30, at another side one guide ramp 31b is arranged.

During assembly connector 6, flexiblely retraction of bent part 8d matches with flange 31, and the cliff 31a of flange matches with end towards the above-mentioned bent part of claw 7 directions.

Blocking wedge 2 (seeing Fig. 1,2 and 3) is made up of a plastic casing 40, and the ring flange 41 of shell has opening 42,43,44,45 and 46; Opening 42 is used for cooperating with recess 20, and opening 43,44,45 and 46 cooperates with recess 21,22,23 and 24 respectively.Opening 43 to 46 is respectively passed by a conductor jointer 6, and has corresponding notch 43a to 46a, so that by little hook 15.

At the another side 50 of ring flange 41, one side along the blade tooth 51 that comprises prolongation 52 and suspension column 53 that has of opening 42.

Along a respective edges of opening 43,44,45 and 46, a blade tooth 51, a prolongation 52 and a suspension column 53 are arranged equally.

Hold up empty one of two bar bars 55, bar bar in the front 50 of blocking wedge 2 two most advanced and sophisticated 55a and 55b that diverge to are at an angle of 90 arranged.

Blocking wedge becomes 180 ° of angles to diverge to, and it has two levers 56; In positive 50 directions, the empty end of lever has a ledge 57, and the other end forms a push rod 59; Push rod can make lever round by ledge the shell of they and blocking wedge 2 is coupled together two on bar thick stick 58 change back and forth.

Best, blocking wedge 2 has one to be used for making things convenient for the tongue piece of installing 62, and the empty end of tongue piece has ledge 63.Tongue piece 62 meets at right angles with an empty end of prolongation 52, and a dwell portion 64 that expands to the front 50 of ring flange 41 is arranged.

Main shell 1 has two passages that are used for accepting bar bar 55, and every passage all has article one flange 67 that cooperates with most advanced and sophisticated 55a and the second flange 68 that cooperates with most advanced and sophisticated 55b.Bead 67 has an inclined-plane 67a and a cliff 67b, and corresponding with the pre-blocking of blocking wedge; And flange 68b has an inclined-plane 68a and a cliff 68b, and corresponding with the blocking of blocking wedge 2.

Main shell 1 has the guide channel 70 of tongue piece 62 between recess 20 and 21; On the adjacent extreme direction of main shell 1 and washer 30, elastic sheet 71 of projection all from the bottom of every guide channel.

The dividing plate 72 that the part of accepting tongue piece 62 and recess 20 are separated, it with towards the relative one side of recess 20, a shoulder 73 is arranged; When blocking wedge 2 was in the state of pre-locking, ledge cooperated with this shoulder.

Become the main shell 1 of 180 ° of horizontal dislocations that two angled grooves 75 that are used for guiding the ledge 57 of lever 56 are arranged; On their intermediate point of length, above-mentioned these two angled guide channels have the washer 76 of a band cliff 76a, and when blocking wedge was in pre-blocking, the one side of ledge 57 was withstood abrupt slope 76a; Washer 76 also has second cliff 76b, is used for cooperating with the another side of ledge 57 when above-mentioned blocking wedge 2 is in blocking.

Recess 20 to 24 all has an opening 78 separately on the direction relative with washer 30; Insert blade tooth 51 in this opening on the one hand, insert connector 6 by opening 42 to 45 on the other hand.Cannot see in Fig. 4 that dividing plate 32 has two part 32a and 32b.The thickness of 32a part is slightly more thinner than the thickness of 32b part, and these two parts are linked to each other by shoulder 80.Also has an inclined-plane 81 that extends from shoulder 80, so that lead to rectangular part 32b with cliff 31a.

When blocking wedge 2 lockings were lived, blade tooth 51 empty ends withstood shoulder 80, and prolongation 52 cooperates with inclined-plane 81.

Blocking wedge 2 is installed on the main shell 1, make bar bar 55 insert passage 66, and lever 56 and ledge 57 insert angled guide channel 75, and blade tooth 51 inserts corresponding recess 20 to 25, and tongue piece 62 inserts guide channel 70.

During assembling, most advanced and sophisticated 55a (seeing Figure 10 and Figure 11) will cross flange 67 and cliff 67a matches, and ledge 57 withstands the cliff 76a of washer 76, makes blocking wedge enter pre-blocking.In this state, the ledge 63 of tongue piece 62 is with the shoulder 73 of dividing plate 72 match (seeing Figure 22 and 23).

With one in the profile performance recess, as recess 21, and other recess 20,21,22,23 and 24 all is identical among Figure 14 and Figure 15.As what represent among these figure, when blocking wedge 2 is in pre-blocking, the 32a of blade tooth 51 and prolongation 52 recess between shoulder 80 and opening 78 part the inside, they can freely turn round like this.

When conductor jointer 6 is installed (seeing Figure 15), its part 8d that stoops flexiblely promotes suspension column 53, and this stoops part, and also flexibly indentation is so that cooperate with flange 31, and above-mentioned like this conductor jointer just is latched between washer 30 and the cliff 31a.

When each conductor jointer all installs, blocking wedge 2 with regard in the locking (seeing Figure 16).To firmly push the push rod 59 of lever 56 during operation, ledge 57 is positioned on the horizontal line of washer 76; Inserting blocking wedge will make its front 50 withstand a corresponding end of main shell 1.When closing state, the one side facing surfaces of ledge 57 by cooperating with cliff 76a under blocking withstood cliff 76b.

Under the blocking of blocking wedge 2, suspension column 53 withstands the top of the part 8d that stoops of connector 6, and connector 6 is towards the blade tooth direction (seeing Figure 16 and Figure 17) of flanging 7.

Be under the blocking at blocking wedge 2, the tongue piece that matches with elastic sheet 71 62 diverges to elastic sheet mutually mutually, makes main shell 1 can see an empty end of above-mentioned tongue piece 62 at the opposite end of an end that matches with ring flange 41.The material of the most handy color different with main shell of blocking wedge is made, and like this, when seeing the respective face of main shell, if an empty end of tongue piece 62 occurred between elastic tongue piece 71, just can affirm blocking wedge locking (seeing Figure 24).

Equally, bar bar 55 will insert passage 66, and method end 55b will withstand cliff 68b (seeing Figure 12 and Figure 13) after passing through flange 68.

If direction that Figure 18 performance conductor jointer 6 has been adorned wrong in opening 43, little hook 15 just withstands together with the ring flange 41 of blocking wedge 2, thereby can not be in place.

If it is not enough that Figure 19 performance connector 6 inserts recesses 21, suspension column 53 will withstand and stoop part 8d, thereby prolongation 52 inclined-plane 81 more only, blocking wedge 2 just can not locking firmly.

Shown in Figure 20 and 21, if it is not enough that connector 6 inserts recess 21, but suspension column 53 is with becoming the right angle towards claw 7 top that stoops part 8d on one side, when blocking wedge 2 is pushed to blocking, suspension column 53 will promote connector 6, and it is shifted between cliff 31a and the catch 30 onto locking.

In addition, when blocking wedge 2 has been in blocking, the connector 6 empty recess 20,21,22,23 and 24 of just can not packing into is because prolongation 52 and suspension column 53 have dwindled the space in the above-mentioned recess.

In the drawings and in the example of explanation, once now showed a mother's conductor jointer, the form but this connector can differ is as can being public or pin and box sub.

Certainly, the utility model is not only limited to the embodiment of above description and performance, can do the change on many details yet, and does not break away from the category of this utility model.

Claims (6)

1. the blocking wedge of conductor jointer in the electric connection, it has a main shell (1) with a series of recesses (20 to 24), each can accept a conductor jointer (6) these recesses, one end of each connector (6) all has the means (7) of the lead of splicing, and another has the means (8) that cooperate with another corresponding conductor jointer; One end of each recess (20 to 24) all has the opening (78) of an insertion conductor jointer (6), and the other end all has a washer (30) on above-mentioned connector (6) direction; A dividing plate of above-mentioned each recess (20) all has a resistance shelves flange on the other direction of above-mentioned connector (6); Also be provided with the means that blocking wedge (2) are positioned at pre-blocking, so that conductor jointer (6) is installed; Be provided with the means that above-mentioned blocking wedge (2) are positioned at blocking equally, so that conductor jointer (6) is latched in the recess (20 to 24); Above-mentioned blocking wedge is characterised in that: blocking wedge (2) is made up of a shell (40) that has the ring flange (41) of a series of openings (42 to 46), and the opening (78) of this series of openings recess (20 to 24) coincide, so that conductor jointer (6) is installed; A series of blade tooths (51) are being given prominence at edge along each opening (42 to 46) of ring flange (41), and they all embed each recess (20 to 24) on the main shell (1) separately; An empty end of above-mentioned blade tooth (51) all has the prolongation (52) that suspension column (53) are arranged on the stature; All have a flange (31) on the dividing plate (32) of each recess (2024) of main shell (1), flange is more thinner in the part of washer (30) one sides of conductor jointer (6) at the part ratio of opening (78) one sides; These two parts partly couple together on an inclined-plane (81) of (32b) stretching, extension to another by a shoulder (80) with from thin part (32a), and the stop flange (31) of conductor jointer (6) forms the right angle; The length of prolongation (52) expands to the next door of shoulder (80) as being in the pre-blocking of blocking wedge (2) together always, and under the blocking of locking, and prolongation is with after the inclined-plane cooperates, and expands to flange (31) to meet at right angles; Ring flange (41) has the lever (56) that ledge (57) are arranged on the head on the one side that has blade tooth (51), these ledges match with the washer (76) of the blocking wedge that is in pre-blocking (2), and flexiblely indentation, so that make blocking wedge (2) enter blocking, above-mentioned ledge (57) can match with the washer that is in blocking (76) in blocking.

2. the blocking wedge of conductor jointer according to claim 1, it is characterized in that: some the bar thick stick (55) of front that has the ring flange (41) of blade tooth (51), an empty end of these thick sticks has first tip (55a) and second tip (55b), two tips meet at right angles and diverge to, and main shell (1) has the groove (66) that is used for accepting bar thick stick (55); In every groove, all to be provided with and be used for first flange (67) of cooperating with first tip (55a), and be used for and second flange (68) that second tip (55b) cooperates; Most advanced and sophisticated position with flange should be such: when blocking wedge (2) when being in pre-blocking, first tip (55a) matches with first flange (67); When blocking wedge (2) when being in blocking, match with second flange (68) in second tip (55b).

3. the blocking wedge of conductor jointer according to claim 1, it is characterized in that: there is a tongue piece (62) in the front that has the ring flange (41) of blade tooth (51), and main shell (1) has the grooves (70) of two guiding tongue pieces; The length of tongue piece is longer than blade tooth (51), and the other end that the width of the end that tongue piece is empty is more adjacent than same ring flange (41) is narrow.

4. the blocking wedge of conductor jointer according to claim 3, it is characterized in that: the empty end of tongue piece (62) has the ledge (63) that same shoulder (73) matches under pre-blocking, and shoulder is arranged on the dividing plate (72) that is connected with groove (70) associated end.

5. the blocking wedge of conductor jointer according to claim 3, it is characterized in that: the color of blocking wedge (2) is different with the color of main shell (1); The guide channel (70) of tongue piece (62), in the one side of the terminal relative above-mentioned main shell end of the insertion mouth (78) of same conductor jointer (6), an elastic sheet is arranged, when blocking wedge (2) when being in blocking, elastic sheet can be separated by an empty end of tongue piece (62).

6. the blocking wedge of conductor jointer according to claim 1 is characterized in that: the blocking wedge of conductor jointer is a female device that is used for accepting the tongue piece of public affairs.

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