CN1207818C

CN1207818C - Electric wire connector

Info

Publication number: CN1207818C
Application number: CNB03122251XA
Authority: CN
Inventors: 熊谷纯一郎; 横井川淳史
Original assignee: Omron Corp
Current assignee: Omron Corp
Priority date: 2002-04-23
Filing date: 2003-04-23
Publication date: 2005-06-22
Anticipated expiration: 2023-04-23
Also published as: CN1453902A; JP2003317822A; EP1357640B1; JP3855833B2; EP1357640A2; EP1357640A3

Abstract

There is provided an electric wire connecting connector which does not perform an incorrect operation and has excellent workability. A cover (70) is fitted to a housing (11) composed of a case (20) and a base (50), and a head part (63) of an operation lever (60) is housed. An opening operation hole (74) through which the head part (63) of the operation lever (60) positioned in a wire connection state can be pressed in an axial direction is provided in the cover (70). Further, a connecting operation hole (76) through which the head part (63) of the operation lever (60) positioned in an open state can be operated is provided between the housing (11) and the cover (70).

Description

Wire connector

Technical field

The present invention relates to wire connector, particularly with metal connecting piece and crimping thereon leaf spring clamping electric wire and the wire connector implementing to be electrically connected.

Background technology

Now, as wire connector, for example drive disclosed relaying type connector in the flat 10-12294 communique the spy.That is the relaying type connector that constitutes by apparatus for fixing cord, with casing, terminal, leaf spring and release button.For example described release is withheld make leaf spring produce strain in the casing after, electric wire is inserted in the casing.Then, make described leaf spring recover elasticity, finish being electrically connected by described terminal and leaf spring crimping and the described electric wire of clamping by described release button is retracted.

But, in described relaying type connector, expose the release button respectively from casing.For this reason, when for example barrier and described release button are collided accidentally, might make the hook releasing and electric wire is come off.

In addition, at described relaying type connector, be pressed into to discharge and detain the formation open state; On the other hand, retract described release button and form connection state.For this reason, to two kinds of different operations of dismounting operation needs of electric wire, that is, must carry out push operation and retract operation, operability is very poor.Particularly when described release button is recovered, need be with the big back edge of the power that is pressed into required when being pressed into described release button, so there is the worse problem of operability.

Summary of the invention

The present invention is in view of described problem, and purpose is to provide and does not produce malfunction, the wire connector that operability is good.

Wire connector of the present invention, for reaching described purpose, from the patchhole that is arranged on casing the action bars that slightly is the L font is inserted and is pressed into along axis direction, be placed on the leaf spring generation strain that slightly is in the shape of the letter V in the described casing by making, between metal connecting piece that is placed on described casing and described leaf spring, form the gap and after becoming open state, electric wire is positioned in the described gap, and then make described leaf spring recover elasticity by retracting described action bars, form wiring state by described metal connecting piece and the described electric wire of described leaf spring clamping.Place the head of described action bars at described casing mounting cover, in described lid, be provided with and the head that is positioned at the described action bars of wiring state position can be used handle hole to opening of axis direction pushing, the wiring handle hole of the head that can operate the described action bars that is positioned at open state is set between described casing and described lid simultaneously.

According to the present invention, but the folding and unfolding of action bars integral body is within casing and lid.Like this, can not be subjected to the impact of extraneous barrier chance, thereby can prevent misoperation.In addition, when action bars is carried out the operation of any state in open state and the wiring state, owing to can handle with a kind of like this operation of push operation rod, so can improve operability.The power that particularly is pressed into when action bars is carried out the operation of any state in open state and the wiring state does not have very big difference, has further improved operability.

As embodiments of the invention, the retainer that prevents to deviate from from the action bars that casing is pulled out also can be set described covering.

According to present embodiment, described retainer can prevent the breakage of action bars when desiring excessively to pull out action bars.

As another embodiment of the present invention, also can be provided with and retainer that the head end of the action bars that flies out from casing touches in the open edge of opening portion of lid with handle hole.

According to present embodiment, can whether be in wiring state by the impact sound decision operation bar of the action bars that touches with retainer, thereby improve operability.

Wire connector of the present invention is made of wire connector body and first, second outer cover.Its wire connector body inserts the action bars that slightly is the L font and be pressed into along axis direction from the patchhole that is arranged on casing, be placed on the leaf spring generation strain that slightly is in the shape of the letter V in the described casing by making, between metal connecting piece that is placed on described casing and described leaf spring, form the gap and after becoming open state, electric wire is positioned in the described gap, and then make described leaf spring recover elasticity by retracting described action bars, form wiring state by described metal connecting piece and the described electric wire of described leaf spring clamping; Its first, second outer cover is installed on the described wire connector body with rotary way, the described wire connector body of folding and unfolding in the space that assembling forms.At the teat that the described action bars of operation between the side of inserting described casing and the head at the described action bars of open state is set on described first outer cover.

According to wire connector of the present invention, even action bars is outstanding from the casing of wire connector body, owing to cover folding and unfolding with first, second lid, thus can not be subjected to the impact of extraneous barrier chance, thus misoperation can be prevented.

In addition, the teat operation that is located at first outer cover is positioned at the head of the action bars of open state.For this reason, only rotate first outer cover and just can be installed on the wire connector,, can operate action bars singly to touch mode so can automatically described action bars be formed wiring state.Like this, when being set up in parallel a plurality of action bars, can improve operability significantly.

As embodiments of the invention, a retainer that end face touches with the action bars that flies out can be set on first outer cover also from the wire connector body.

According to present embodiment, not only can prevent coming off of action bars, and can be positioned at wiring state by the impact sound decision operation bar of the retainer of the action bars and first outer cover, improve operability.

As another embodiment of the present invention, also can make first, second outer cover have the magnetic shield function.

According to present embodiment, first, second outer cover not only can prevent the misoperation of wire connector, and the effect that is prevented external interference by magnetic shield is also arranged.

Description of drawings

Fig. 1 is the stereogram of first embodiment of explanation wire connector of the present invention;

Fig. 2 is the exploded perspective view of Fig. 1;

Fig. 3 is the profile before and after wire connector shown in Figure 1 is operated;

Fig. 4 is the stereogram before and after wire connector shown in Figure 1 is operated;

Fig. 5 is second embodiment of expression wire connector of the present invention, and Fig. 5 A is that overall perspective view, Fig. 5 B are the stereograms of opening the outer cover state;

Fig. 6 is the exploded perspective view of Fig. 5;

Fig. 7 is the profile in the wire connector operation shown in Figure 5 way;

Fig. 8 is the profile in the wire connector operation shown in Figure 5 way.

Embodiment

Followingly to Fig. 8 embodiments of the invention are described according to Fig. 1.

The first embodiment of the present invention such as Fig. 1 are the situations that is useful in wire connector 10 to shown in Figure 4.

Described wire connector 10 as shown in Figure 2, is equipped with metal connecting piece 30, leaf spring 40 and action bars 60 in the inner space that forms at casing 11 mounting covers 70 that are made of housing 20, pedestal 50.In addition, the 12nd, deadlock lever.

Described housing 20 is one-sided in the above resin forming products that the recess 21 that can engage pedestal 50 described later and lid 70 is set.Described housing 20

forms engaging recess

24a, 24b respectively in its gathering sill 24 when the medial surface of its both

sides wrist

22,23

forms gathering sill

24,24 respectively.Described engaging is used for determining pedestal 50 described later and covering 70 position with recess 24a, 24b.In addition, the bottom surface of the recess 21 between described

wrist

22,23 is set up in parallel a plurality of location groove 25.In addition, form the engaging peristome 26 (Fig. 3) of the pin terminal 31 of outstanding aftermentioned metal connecting piece 30 at the one-sided end face of described housing 20.

Metal connecting piece 30 is made of the metallic plate of going out with punch process, and pin terminal 31 is outstanding to the side from the one lateral edges.And then the last lower limb to described metal connecting piece 30 carries out bending machining respectively, curved tabs 32 and following curved tabs 33 in the formation.Be provided for determining the location hole 34 (Fig. 3) of aftermentioned leaf spring 40 in described curved tabs 33 down.

As shown in Figure 3, leaf spring 40 is crooked banded spring members and form the slightly leaf spring of V font, forms first bend 43, second bend 44 successively and pushes tongue 45 in the relaying maintaining part 42 that is connected with its bend 41.And then, at the outstanding locator protrusions 47 that engages with the location hole 34 of described metal connecting piece 30 that is processed to form of bottom side portion 46 usefulness of described leaf spring 40.

Then, by on the location hole 34 that the locator protrusions 47 of leaf spring 40 is fastened on described metal connecting piece 30 and form one, make pushing tongue 45 be crimped on the lower edge of curved tabs 32.Then, by being set up in parallel in a plurality of location of the bottom surface of described housing 20 with the following curved tabs 33 of the described metal connecting piece 30 of location and installation respectively on the groove 25, make pin terminal 31 in the engaging of housing 20 with peristome 26 outstanding (Fig. 3).

Pedestal 50 has the shape that can engage described housing 20 recesses 21, and constitutes with transparent resin material.Particularly described pedestal 50 forms guiding

stage portion

51,51 in its relative two sides.Simultaneously described guiding with stage portion 51 on the outstanding engaging usefulness protuberance 52 that is provided with.And then, in the relative both sides end face of described pedestal 50, form electric wire insertion holes 53 and action bars patchhole 54 up and down at one-sided end face.And then, form the dividing wall 55 of cutting apart the space that is communicated with described electric wire insertion holes 53 and action bars usefulness patchhole 54 in the inside of described pedestal 50.

Then, between the

wrist

22,23 of described housing 20, insert pedestal 50, gathering

sill

24,24 at

wrist

22,23 engages the

stage portion

51,51 of pedestals 50 and it is slided, and by the protuberance 52 of pedestal 50 is fastened on the recess 24a of

wrist

22,23, blocks pedestal 50 and exposes.

Action bars 60 fronts slightly are the L font, form radius cambered surface 62 at the lower front end edge of its axial region 61; In addition, the export-oriented face at its head 63 forms operating groove 64.

Then, the axial region 61 of described action bars 60 inserted the patchhole 54 of pedestals 50 and when being pressed into, the front end crimping of described axial region 61 and be clamped in the dividing wall 55 of pedestal 50 and the relaying maintaining part 42 of leaf spring 40 between.

Lid 70 shapes that are between the both

sides wrist

22,23 that slidably inserts described housing 20 form guiding

stage portion

71,71 simultaneously in its relative two sides.Engage with protuberances 72 with stage portion 71 outstanding settings in described guiding.And then in the both sides end face of lid 70, its one-sided end face has the shape that can be connected with described lid 50 from the side; In addition, in opposite side end face upper and lower settings electric wire insertion holes 73 and open with handle hole 74.Edge of opening formation at described handle hole 74 prevents the retainer 75 that described action bars 60 flies out.And then, in the bottom edge of described lid 70 breach 76a is set.Be communicated with described openly with handle hole 74 at the one-sided end face of this breach 76a and described housing 50, and the wiring that can form the head 63 that can operate described action bars 60 is with slotted hole 76.

Between the

wrist

22,23 of described housing 20, insert then and cover 70, in the stage portion 71 of gathering

sill

24,24 snap-on caps 70 of

wrist

22,23 and it is slided, the

protuberance

72,72 that covers 70 is fastened on recess 24b, the 24b of wrist 22,23.Thus, can block cover 70 expose in, this electric wire insertion holes 73 is communicated with patchhole 53 with the electric wire of described pedestal 50.And then, as shown in Figure 3A, from the open head 63 that can see action bars 60 with handle hole 74 of described lid 70.In addition, the one-sided end face by described breach 76a and described housing 50 forms wiring slotted hole 76.Then, can see the axial region 61 (Fig. 4 A) of action bars 60 with slotted hole 76 from described wiring.

Below, the method for operation of the wire connector of above-mentioned formation is described.

At first, be pressed into handle hole 74 from open with the head 63 of not shown hook stick action bars 60, the radius cambered surface 62 of the axial region 61 of action bars 60 strides across first bend 43 from the relaying maintaining part 42 of leaf spring 40, depress leaf spring 40, for this reason, the axial region 61 of action bars 60 is by dividing wall 55 clampings of leaf spring 40 and pedestal 50.Its result is producing the gap between the curved tabs 32 on free end that pushes tongue 45 and the metal connecting piece 30.At this moment, can see the head 63 of action bars 60 from wiring with slotted hole 76.Press present embodiment, because the axial region 61 of bulged-in action bars 60 is crimped on the dividing wall 55 of pedestal 50 above almost whole, so have the not advantage of cracky of action bars 60.

Then, insert electric wires 100, its heart yearn 101 is positioned at the last curved tabs 32 of metal connecting piece 30 and pushes between the front edge of tongue 45 from covering 70 electric wire insertion holes 73.Press present embodiment, owing to pedestal 50 is made of transparent resin material, so can see that whether the heart yearn 101 of electric wire 100 is configured in the position of regulation, has the advantage of the operability that can improve the wiring operation from the outside of pedestal 50.

Then, hook stick is pressed into wiring with slotted hole 76, after action bars 60 was a little outwards slided, action bars 60 was released to the outside by elastic force moment of recovering flexible leaf spring 40.For this reason, the head 63 of action bars 60 bump retainers 75 sound that knocks.Leaf spring 40 recovers elasticity as a result, and the heart yearn 101 of the pushing tongue 45 clamping electric wires 100 of the last curved tabs 32 of metal connecting piece 30 and leaf spring 40 forms wiring state.

At present embodiment, described action bars 60 will outwards fly out by the elastic force of described leaf spring 40, but the head 63 of described action bars 60 impinges upon to cover on 70 the retainer 75 and is blocked.Particularly, the sound that knocks during retainer 75 bumps of the head of described action bars 60 63 and lid 70, by bump sound can decision operation bar 60 action.In addition, if coat in the inside one side of the head 63 of action bars 60 eye-catching orange etc., just easier judgement.

Press present embodiment, can only handle open operation and wiring operation, so the operability height with a kind of pressing operation.

In addition, when being in wiring state, from covering 70 the open head 63 that can be clear that action bars 60 with handle hole 74 in the position of action bars 60; And can not see the head 63 of action bars 60 with slotted hole 76 from wiring.And then, when being in open state in the position of action bars 60, from cover 70 open be difficult to see the head 63 of action bars 60 with handle hole 74, can be clear that the head 63 of action bars 60 with slotted hole 76 from wiring.Like this, press present embodiment, owing to can see the position of action bars 60 from both direction, so can judge wiring state or open state easily.

And then, press present embodiment, just can see the head 63 of a plurality of action bars 60 with slotted hole 76 a glances from wiring.So not only can one one ground selection operation action bars 60, and if in described wiring with the hook stick that inserts fabric width in the slotted hole 76, can many action bars of once-through operation 60, further improve operability.

Second embodiment such as Fig. 5 are to shown in Figure 8, and wire connector body 13 is placed in first outer cover 80 and second outer cover 90.

Described wire connector body 13 is roughly the same with described first embodiment as shown in Figure 6, and big difference is the lid 70 that is not provided with among first embodiment.For this reason, the both sides wrist 22,23 of the housing 20 of both

sides wrist

22,23 to the first embodiment of the housing 20 of second embodiment is short.As a result, respectively behind the patchhole 54 of the axial region 61 insertion pedestals 50 of action bars 60, from the head 63 of the outstanding action bars 60 of pedestal 50 lateral surfaces.In addition, the part identical with first embodiment adopts same numbering, omits its explanation.

First, second

outer cover

80,90 has can be from covering the shape of described wire connector body 13 up and down.Particularly form the head 63 of the described action bars 60 of operation and make the operation of its slip use prominent bar 81 and prevent the retainer 82 that action bars 60 flies out in the bottom surface of described first outer cover 80.

In addition, first, second

outer cover

80,90 is supported in outstanding axial region 20a, the 20b that is provided with in edge, two sides of housing 20 rotationally and engages

axis hole

83,91 respectively.For this reason, first, second

outer cover

80,90 is rotated, prominently closing engaging

pawl

84,92 that face forms respectively and be fastened on the connecting

hole

93,85 respectively and after making it integrated, cover wire connector body 13, formation electric wire insertion holes 14,15 (Fig. 5) at it.

The method of operation of the wire connector of second embodiment then, is described.

At first, when connecting the electric wire (not shown), shown in Fig. 7 A, open first, second outer cover 80,90.Then, the head 63 of each action bars 60 that will give prominence to not shown hook stick is pressed into respectively in the pedestal 50, depresses first bend 43 by the axial region 61 of action bars 60.As a result, leaf spring 40 produces strains and depresses pushing tongue 45, in the lower edge of last curved tabs 32 with push between the tongue 45 and form gap (Fig. 7 B).Then, insert not shown electric wire with patchhole 53, its heart yearn is positioned between the lower edge and pushing tongue 45 of curved tabs 32 from electric wire.At this moment, because pedestal 50 is to constitute with transparent resin material, so can see the position of heart yearn.

Then, by rotating first outer cover 80 and be installed on the wire connector body 13, the prominent bar 81 of first outer cover 80 is inserted between the head 63 of pedestals 50 and action bars 60.For this reason, action bars 60 extrapolated a little and slide after, extruded by moment by the elastic force action bars 60 of leaf spring 40.But the retainer of the head 63 of action bars 60 and first outer cover 80 82 bumps prevent flying out of action bars 60.At this moment, action bars 60 sound that knocks, but by the action of this bump sound decision operation bar 60.

Then, rotate second outer cover 90 and be installed on first outer cover 80, be fastened on respectively on the connecting

hole

93,84, finish electric wire and connect operation by engaging

pawl

84,92.

Press present embodiment, not only form open states from the head 63 of the outstanding action bars 60 of patchhole 54, and can push a plurality of action bars 60 simultaneously and form open state with the hook stick of fabric width by each self-pressing.And then, drive the head 63 of a plurality of action bars 60 simultaneously and form wiring state by the prominent bar 81 of first outer cover, 80, the first outer covers 80 being installed at wire connector body 13.For this reason, can carry out the wiring operation of many wires, have the advantage of obvious raising operability with once-through operation.

In addition, first outer cover 80 is being installed in wire connector body 13 and after action bars 60 forms wiring state, second outer cover 90 can be installed on wire connector body 13.For this reason, behind the wiring state of judging whole electric wires,, can prevent to produce the bad fault of wiring in advance because second outer cover 90 can be installed.

In addition, described first, second

outer cover

80,90 of second embodiment forms after also can applying punch process with the metallic plate that can carry out magnetic shield, perhaps also can form by plated metal on resin.In addition, also can first, second

outer cover

80,90 that metallic plate after the punch process and resin are combined to form magnetic shield will be applied.

In addition, the situation that pin terminal 31 is arranged has been described on metal connecting piece 30, also has been applicable to the connector situation of plug terminal at described embodiment.

According to the present invention, but the folding and unfolding of action bars integral body is within casing and lid.Like this, can not be subjected to the impact of extraneous barrier chance, thereby can prevent misoperation.In addition, when action bars is carried out the operation of any state in open state and the wiring state, owing to can use a kind of like this operation of push operation rod, so can improve operability.The power that particularly is pressed into when action bars is carried out the operation of any state in open state and the wiring state does not have very big difference, has further improved operability.

Claims

1, a kind of wire connector, it inserts the action bars that slightly is the L font and be pressed into along axis direction from the patchhole that is arranged on casing, be placed on the leaf spring generation strain that slightly is in the shape of the letter V in the described casing by making, form the gap between metal connecting piece in being placed on described casing and the described leaf spring and after becoming open state, electric wire is positioned in the described gap, and then make described leaf spring recover elasticity by retracting described action bars, form wiring state by described metal connecting piece and the described electric wire of described leaf spring clamping, it is characterized in that, mounting cover and take in the head of described action bars on described casing, in described lid, be provided with and the head that is positioned at the described action bars of wiring state position can be used handle hole to opening of axis direction pushing, the wiring handle hole of the head that can operate the described action bars that is positioned at open state is set between described casing and described lid simultaneously.

2, wire connector as claimed in claim 1 is characterized in that, the retainer prevent to deviate from from the action bars that casing is pulled out is set covering.

3, wire connector as claimed in claim 1 is characterized in that, at the retainer that the open edge of opening portion with handle hole of lid is provided with and the head end of the action bars that flies out from casing touches.

4, a kind of wire connector, it is characterized in that, by wire connector body and first, second outer cover constitutes, wherein, described wire connector body, it inserts the action bars that slightly is the L font and be pressed into along axis direction from the patchhole that is arranged on casing, be placed on the leaf spring generation strain that slightly is in the shape of the letter V in the described casing by making, form the gap between metal connecting piece in being placed on described casing and the described leaf spring and after becoming open state, electric wire is positioned in the described gap, and then make described leaf spring recover elasticity by retracting described action bars, become wiring state by described metal connecting piece with the described electric wire of described leaf spring clamping; Described first, second outer cover, it is installed on the described wire connector body with rotary way, the described wire connector body of folding and unfolding in the space that assembling forms is at the teat that the described action bars of operation between the side of inserting described casing and the head at the described action bars of open state is set on described first outer cover.

5, wire connector as claimed in claim 4 is characterized in that, a retainer that end face touches with the action bars that flies out from the wire connector body is set on first outer cover.

6, as claim 4 or 5 described wire connectors, it is characterized in that first, second outer cover has the magnetic shield function.