CN101656364A

CN101656364A - Cable connector

Info

Publication number: CN101656364A
Application number: CN200910166624A
Authority: CN
Inventors: 桥本俊辅; 大北雅则; 志田祐一; 林拓哉
Original assignee: 松下电工株式会社
Current assignee: Panasonic Holdings Corp
Priority date: 2008-08-22
Filing date: 2009-08-24
Publication date: 2010-02-24
Anticipated expiration: 2029-08-24
Also published as: KR101169507B1; TWI415345B; KR20100023746A; TW201018015A; CN101656364B; JP2010049999A

Abstract

The invention provides a cable connector. A cable guiding portion (10) is provided on the front end portion of upside arm portion (4h) of a plurality of first contacts (4) juxtaposed along the lengthdirection in the inner side of the housing (3). At an opening status of a cover (6), the cable guiding portion (10) is projecting further to a cable inserting port (3d) than the front end (6k) of thecover (6) at the side of the cable inserting port (3d). At a state when the front end of the cable (2) is biased from the side of the upper opening part (3b), when the cable (2) is inserted in the cable inserting port (3d), the cable guiding portion (10) restrains the interference to the cable (2) generated by the front end (6k) of the cover (6), to prevent the closing of the cover (6) due to theinterference.

Description

Cable connector

Technical field

The present invention relates to cable connector, particularly relate to the cable connector that is applicable to cables such as connecting flat rubber belting cable or FPC.

Background technology

TOHKEMY 2005-24373 communique discloses existing cable connector.In this connector, two kinds of contacts alternately fixedly remain on the length direction of the housing of taking in cable with the spacing of stipulating.The cover of open and close type (actuator) is crimped on cable the contact portion of contact.In two kinds of contacts, be formed with upper arm parts and lower arm part in the mode of the cable that is accommodated in housing being carried out clamping, can be supported with cover rotationally at the leading section of upper arm parts, and be provided with contact portion in lower arm part.

But, in the prior art that relates to, because the rearward end of cover is inserted oral-lateral than the front end of the upper arm parts of the contact of rotating support cover to cable in the open mode of cover outstanding, therefore when inserting cable, there is the front end of cable to contact with the rearward end of cover, and owing to the insertion force of cable is covered the danger that rotation is closed.Therefore, need push cover with hand when inserting cable, the insertion operation of cable is poor.

Summary of the invention

Therefore, the objective of the invention is to, a kind of cable connector that can improve the insertion operation of cable is provided.

A mode of the present invention is a cable connector, and it has: housing, and it is formed with cable and inserts mouth, and has insert mouthful cable housing portion that the cable of the sheet of inserting is taken in from this cable; Contact, it has first arm and second arm, and fixedly remain on the inboard of described housing, wherein, described first arm is provided with and the surperficial opposed contact portion that inserts mouthful described cable that inserts from described cable, and described second arm is with insert mouthful back side of the described cable of insertion from described cable opposed and be provided with at the leading section of this second arm and engage pivot branch; Cover, its have allow through hole that described engaging pivot branch inserts and with the described cam part that engages the engaging of pivot branch, and can be supported on described engaging pivot branch rotationally, and down described cable is crimped on described contact portion in off position by these through holes and cam part.Be provided with the front end that described cable than this cover under the open mode of described cover inserts oral-lateral at the leading section of described second arm and more insert the outstanding protuberance of oral-lateral to this cable.

Preferably, insert oral-lateral and be formed with cut sides at the cable of described protuberance with the bight of the opposed side of described first arm.

According to the present invention, at the leading section of second arm of supporting cover rotationally protuberance is set, under the open mode of cover, because protuberance is more outstanding to cable insertion oral-lateral than the front end of the cable insertion oral-lateral of cover, therefore insert when mouthful inserting cable from the cable of housing, even the front end of cable departs from, the front end that also can suppress this cable and cover interferes.Consequently, because the insertion force of cable can not act on cover, therefore can suppress cover and close.Thus, owing to when inserting cable, need not to push cover, therefore the insertion operation that can improve cable.

Description of drawings

Fig. 1 is the stereoscopic figure of the cable connector that relates to of one embodiment of the present invention.

Fig. 2 is the vertical view of the housing of the cable connector that relates to of one embodiment of the present invention.

Fig. 3 is the front view of the cover of the cable connector that relates to of one embodiment of the present invention.

Fig. 4 is the profile of first contact of the cable connector that relates to of one embodiment of the present invention, and is the figure that the state of cover is opened in expression.

Fig. 5 is the profile of first contact of the cable connector that relates to of one embodiment of the present invention, and is the figure that the state of cover is closed in expression.

Fig. 6 is the profile of second contact of the cable connector that relates to of one embodiment of the present invention, and is the figure that the state of cover is opened in expression.

Fig. 7 is the profile of second contact of the cable connector that relates to of one embodiment of the present invention, and is the figure that the state of cover is closed in expression.

Fig. 8 is the enlarged side view of the leading section of second arm that relates to of one embodiment of the present invention.

Fig. 9 is the major part profile of the cable connector of the cable that relates to of the expression one embodiment of the present invention state that departs from insertion.

Embodiment

Below, explain embodiments of the present invention with reference to accompanying drawing.

Fig. 1 is the stereoscopic figure of the cable connector that relates to of present embodiment, Fig. 2 is the vertical view of housing, Fig. 3 is the front view of cover, Fig. 4 is the profile of first contact, and be the figure that the state of cover is opened in expression, Fig. 5 is the profile of first contact, and be the figure that the state of cover is closed in expression, Fig. 6 is the profile of second contact, and be the figure that the state of cover is opened in expression, Fig. 7 is the profile of second contact, and is the figure that the state of cover is closed in expression, Fig. 8 is the enlarged side view of the leading section of second arm, and Fig. 9 is the major part profile of cable connector that the expression cable departs from the state of insertion.

As shown in Figure 1, the cable connector 1 that present embodiment relates to has the housing 3 of insulating properties, and this described housing 3 has the 3a of cable housing portion, and the wherein said cable housing 3a of portion is inserted with the cable 2 of the sheet of surperficial 2a with FPC or FFC etc. and back side 2b.And, be provided with the top peristome 3b of the single face of opening the 3a of cable housing portion (being upper surface in the present embodiment) at this housing 3.

In addition, in the inboard of housing 3, first contact (contact) 4 of conductivity and second contact (contact) 5 are alternately arranged and are fixedly remained on the length direction (left and right directions among Fig. 2) of housing 3 with prescribed distance.

As shown in Figure 4, first contact 4 has upside arm (second arm) 4h that is configured in top peristome 3b side and is configured in downside arm (first arm) 4g with the opposed lower wall 3h of top peristome 3b side, and these upside arm 4h and downside arm 4g insert mouthful two strands of shapes of the side-prominent one-tenth of 3d from base portion 4f to cable.

In addition, as shown in Figure 5, second contact 5 and first contact 4 similarly have upside arm (second arm) 5h that is configured in top peristome 3b side and downside arm (first arm) 5g that is configured in lower wall 3h side, and these upside arm 5h and downside arm 5g insert mouthful two strands of shapes of the side-prominent one-tenth of 3d from base portion 5f to cable.

And, leading section at upside arm 4h, the 5h of first contact 4 and second contact 5 is provided with (engaging pivot branch) 4b of the first engaging pivot branch and the 5b of the second engaging pivot branch (engaging pivot branch) respectively, and at

downside arm

4g, 5g is respectively arranged with and opposed (contact portion) 4a of the first contact portion of surperficial 2a and the 5a of the second contact portion (contact portion) that insert the cable 2 that mouthful 3d inserts from cable.

Moreover, peristome 3b can contain the cover 6 of the insulating properties that can open and close rotationally with respect to housing 3 up, under Fig. 4, open mode shown in Figure 6, cable 2 can be inserted mouthful 3d from cable inserts, and under Fig. 5, closed condition shown in Figure 7, make the surperficial 2a of cable 2 be crimped on first 4a of contact portion and second 5a of contact portion.

Housing 3 is formed by insulating material such as synthetic resin, up and down roughly pars intermedia be formed with the 3a of cable housing portion with the cable 2 bag shape that insert in (left side Fig. 4) from the place ahead.And exposing with the zigzags ground of two rows before and after equidistantly being of regulation on the surface (lower surface among Fig. 4) of the insertion end of cable 2 has not shown a plurality of conductors.

As shown in Figure 1 and Figure 2, be formed with the 3c of pair of bearings portion above opening at the length direction both ends of peristome 3b above the housing 3, and this a pair of bearing 3c of portion is opposed along the length direction of housing 3.

Cover 6 is the tabular parts that can be contained in the top peristome 3b of housing 3, and this cover 6 is also formed by insulating material such as synthetic resin.And, at the outstanding respectively pivot fulcrum 6a that is formed with of the base end part of cover 6 left and right sides both ends of the surface.In the present embodiment, by will cover from the top of housing 36 about the bearing portion 3c of pivot fulcrum 6a mounting in about housing 3, will cover 6 and can open and close on the top peristome 3b that is installed in housing 3 (rotation).

Cover 6 rotates to Fig. 5, off-position shown in Figure 7 from Fig. 4, open position shown in Figure 6.And, cover 6 when in the closed position, cover 6 one-tenth approximate horizontal postures and be contained in the top peristome 3b of housing 3, and cable 2 is pushed to the direction (below among Fig. 4) of the 4a of contact portion, 5a.On the other hand, cover 6 is when being shown in an open position, rise with the posture of standing up of hypsokinesis from the top peristome 3b of housing 3, and with the entrance side of the 3a of cable housing portion roughly half is opened to the top of housing 3, the cable that cable 2 can be inserted housings 3 inserts a mouthful 3d.Be provided with at this cover 6 and be used for covering the 6 handle portion 6i that carry out opening operation.Moreover in the present embodiment, the upper wall 3g of housing 3 works to the retainer of opening the direction rotation as restriction cover 6.

First contact 4 and second contact 5 are alternately arranged along the length direction of housing 3.These first contacts 4 and second contact 5 are respectively by the thin-sheet metal Punching Technology is formed.

And first contact 4 and second contact 5 insert housing 3 and fixing the maintenance from opposite both direction respectively.Specifically, equidistantly alternately be formed with a plurality of first hole 3f and a plurality of second hole 3e at housing 3 with the regulation corresponding along the length direction of housing 3 with the arrangement pitches of first contact 4 and second contact 5, and via the first hole 3f and the second hole 3e with first contact 4 and second contact 5 the inside that equidistantly is installed in housing 3 in mode alternately arranged side by side along its length with regulation, wherein the first hole 3f is used for each first contact 4 from the rear (inboard) of housing 3 forwards (entrance side), promptly insert along the disengaging direction of cable 2 (in Fig. 4 direction) from right to left, wherein the second hole 3e is used for each second contact 5 from the place ahead (entrance side) of housing 3 rearward (inboard), promptly insert along the direction of insertion of cable 2 (in Fig. 6 direction) from left to right.Like this, first contact 4 and second contact 5 can be regulated the insertion amount in the housing 3.

First contact 4 has: base portion 4f, and it is embedded between lower wall 3g, the 3h at the 3a of cable housing portion than housing 3 by the inboard; Downside arm 4g, it extends and is configured in the downside of the 3a of cable housing portion from the lower wall 3h of the lower end edge housing 3 of base portion 4f; Upside arm 4h, its upper wall 3g from the upper end edge housing 3 of base portion 4f extend to top peristome 3b and are configured in the upside of the 3a of cable housing portion.

Side edge part is provided with jut 4j on base portion 4f, and by in the first hole 3f, making jut 4j card only at the engaging recessed part 3i of the upper wall 3g that is formed at housing 3 first contact 4 is fixed on housing 3.

In addition, from the outstanding downwards retainer 4c that is formed with of the lower edge of base portion 4f, first contact 4 of this retainer 4c when first contact 4 being inserted the first hole 3f of housings 3 limits with respect to the maximum insertion amount of housing 3.

Moreover retainer 4c double as is to the soldering portion that the outstanding mounted on surface of the lower surface of cable connector 1 is used, and is as shown in Figure 4, outstanding downwards from the leading section of downside arm 4g.

In downside arm 4g, be formed with first 4a of contact portion at its leading section.This downside arm 4g forms can strain, if insert 2 on cable strain and the top active force is worked downwards.

Peristome 3b is outstanding upward can be formed with to strain the first roughly hook-shaped engaging pivot 4b of branch and its along the vertical direction at the leading section of upside arm 4h.In the present embodiment, lean on the mode of the direction of insertion side (on Fig. 4 right side) of cable 2 to make the first engaging pivot 4b of branch outstanding to be arranged in than the position of first 4a of contact portion.And in the present embodiment, the mode by first cam part (cam part) 6c that reels from the top makes the leading section of upside arm 4b bend to the hook-shaped first engaging pivot 4b of branch that forms.

Second contact 5 has: base portion 5f, and it is embedded between lower wall 3g, the 3h at the 3a of cable housing portion than housing 3 by the inboard; Downside arm 5g, the downside that its lower wall 3h from the lower end edge housing 3 of base portion 5f extends to the entrance side front and is configured in the 3a of cable housing portion; Upside arm 5h, its upper wall 3g from the upper end edge housing 3 of base portion 5f extend to top peristome 3b and are configured in the upside of the 3a of cable housing portion.

Side edge part is provided with jut 5k on base portion 5f, and by in the second hole 3e, making this jut 5k card only at the engaging recessed part 3j of the upper wall 3g that is formed at housing 3 second contact 5 is fixed on housing 3.

In downside arm 5g, be formed with second 5a of contact portion at pars intermedia roughly, and from the outstanding downwards retainer 5c that is formed with of leading section lower edge.Second contact 5 of this retainer 5c when second contact 5 being inserted the second hole 3e of housings 3 limits with respect to the maximum insertion amount of housing 3.

In addition, this retainer 5c double as is to the soldering portion that the outstanding mounted on surface of the lower surface of cable connector 1 is used, and is as shown in Figure 6, outstanding downwards from the leading section of downside arm 5g.

At the front end of the upside arm 5h outstanding second engaging pivot 5b of branch that is formed with of peristome 3b upward with root 5i thicker than the root 4i of the first engaging pivot 4b of branch.And this second engaging pivot 5b of branch is difficult to the thick amount of strain root 5i along the vertical direction than the first engaging pivot 4b of branch.

In the present embodiment, as Fig. 6, shown in Figure 7, in the second engaging pivot 5b of branch of second contact 5, be provided with the roughly teat 5e of circular shape at its leading section, this teat 5e is this cover 6 of engaging under the state of opening cover 6.And, in the front end bottom of the second engaging pivot 5b of branch, be that the bottom of teat 5e is formed with stair-stepping snap-latch surface 5d.Moreover, be formed with stair-stepping bearing surface 5j on the right side of this snap-latch surface 5d (the direction of insertion side of cable 2).

And, lean on the mode of the disengaging direction side (in Fig. 4, Fig. 6 left side) of cable 2 that the first engaging pivot 4b of branch and the second engaging pivot 5b of branch are given prominence to be arranged in than the position of second 5a of contact portion.

Like this, first contact 4 and second contact 5 are being secured under the state of housing 3, in housing 3, are being arranged with first 4a of contact portion of first contact 4 and second 5a of contact portion of second contact 5 with row respectively.Consequently, become one to be listed as first 4a of contact portion of first contact of arranging 4 becomes second contact 5 of a row arrangement with the direction of insertion side at cable 2 second 5a of contact portion by disengaging direction side at cable 2, with the overall alignment engrail of first 4a of contact portion and second 5a of contact portion, and can contact with a plurality of conductors that surface that is arranged on cable 2 and indentation expose.

And in the present embodiment, the first engaging pivot 4b of branch and the second engaging pivot 5b of branch are configured in the top position between the row of second 5a of contact portion of the row of first 4a of contact portion of first contact 4 and second contact 5 in housing 3.

Be provided with first through hole (through hole) 6b at cover 6 in the mode corresponding with the first engaging pivot 4b of branch that is arranged on first contact 4.Moreover, be formed with the rotation of following cover 6 and the first cam part 6c that rotates in the first through hole 6b position adjacent with cover 6.And, engage this first cam part 6c by the first engaging pivot 4b of branch that makes first contact 4, will cover 6 and can be supported on the first engaging pivot 4b of branch rotationally.Moreover, in the present embodiment, as shown in Figure 4, make the first engaging pivot 4b of branch of first contact 4 have the play ground engaging first cam part 6c will cover 6 modes that can move to (direction of insertion of cable 2 and disengaging direction) to the slotting off-square of cable 2.Like this, make the first cam part 6c have the engaging of play ground to the mode that can move, reduce the frictional force that between the first engaging pivot 4b of branch and the first cam part 6c, produces by slotting off-square along cable 2.

In addition, at cover 6 when in the closed position, be formed with inclined plane 6d at the lateral surface of the cover 6 of the opposition side of geared cable 2.And, also be provided with the inclined plane in the position corresponding, and cover 6 inclined plane 6d and the inclined plane of the first cam part 6c constitutes neat face with this inclined plane 6d of the first cam part 6c.

In addition, when in the closed position, be formed with the cable press section 6h that cable 2 is pushed at cover 6 downwards in inner surface side with cable 2 opposed covers 6.This cable press section 6h is outstanding respectively to be formed between each first through hole 6b in the inner surface of cover 6.

Moreover, be provided with second through hole (through hole) 6e at cover 6 in the mode corresponding with the second engaging pivot 5b of branch that is arranged on second contact 5.As shown in Figure 3, this second through hole 6e forms in the mode of cutout cable press section 6h.And, be formed with the rotation of following cover 6 and second cam part (cam part) 6f that rotates in the second through hole 6e position adjacent with cover 6.And, engage this second cam part 6f by the second engaging pivot 5b of branch that makes second contact 5, will cover 6 and can be supported on the second engaging pivot 5b of branch rotationally.

Be formed with at the second cam part 6f and opening the engaging cam surface 6g that engaged with snap-latch surface 5d of cover at 6 o'clock, and be formed with and closing 6 o'clock bearing surface 6j with bearing surface 5j butt of cover, follow cover 6 switching, the second cam part 6f from the rotated position that makes engaging cam surface 6g and engage with snap-latch surface 5d to the position that makes bearing surface 6j and bearing surface 5j butt.Moreover, by the bearing surface 5j that is provided with at the second engaging pivot 5b of branch steppedly, to covering 6 moving and upward mobile the restriction to the direction of insertion of cable 2.

Like this, in the cable connector 1 that present embodiment relates to, as Fig. 4, shown in Figure 5, make cover 6 cable 2 be inserted cable and insert a mouthful 3d for open mode, if will cover 6 turns to as Fig. 5, closed condition shown in Figure 7, the cable press section 6h that then covers 6 lower surface pushes cable 2 first 4a of contact portion and second 5a of the contact portion side downwards, and cable 2 contacts and is electrically connected under suitable contact pressure with the contact of first 4a of contact portion and second 5a of contact portion.That is, cable 2 is clamped between the lower surface and first 4a of contact portion and second 5a of contact portion of cover 6, thereby makes the downside arm 4g amount of thickness of strain cable 2 downwards, and obtain suitable contact pressure by the elastic force of this moment.

At this, in the present embodiment, as shown in Figure 4, being provided with cable than cover 6 at the leading section of the upside arm 4h of first contact 4 in cover 6 open mode inserts mouthful front end 6k of 3d side and more inserts mouthful outstanding cable guide (protuberance) 10 of 3d side (left among Fig. 4) to cable.

Specifically, as shown in Figure 8, form cable guide 10 by periphery setting and the wall thickening reinforcement 10a that bends to the hook-shaped first engaging pivot 4b of branch that forms at leading section with upside arm h.At this moment, the outer peripheral face of cable guide 10 forms level and smooth arc surface.Moreover double dot dash line shown in Figure 8 is the outline line when forming the first engaging pivot 4b of branch with equal thickness.

In addition, in the present embodiment, be formed with the cut sides 11 of excising this bight C sideling in the cable insertion mouthful 3d side of cable guide 10 and at bight C with the opposed side of downside arm 4g (bottom, left side in Fig. 4, Fig. 8).Moreover cut sides 11 also can wait by being shaped and be pre-formed.

But cable guide 10 need not to be arranged on the whole of a plurality of first contacts 4, as long as it is just passable to be arranged at least two first contacts 4.

According to above present embodiment, with the leading section of upside arm (second arm) 4h of a plurality of first connectors (connector) 4 of predetermined distance configuration cable guide (protuberance) 10 is being set along the length direction of housing 3, under the open mode of cover 6, because it is side-prominent that the front end of the cable insertion mouthful 3d side of cable guide 10 ratio covers 6 inserts mouth 3d to cable, therefore, as shown in Figure 9, when the cable from housing 3 inserts mouthful 3d with cable 2 insertions, even the front end of cable 2 upward peristome 3b lateral deviation from, the front end of cable 2 also at first contacts with cable guide 10, can suppress cable 2 and interfere with the front end 6k that covers 6.

That is,, make cable 2 not contact the back with the cable guide 10 of upside arm 4h and in the 3a of cable housing portion, guide with the front end interference of cover 6 according to present embodiment.Like this, can make the insertion force of cable 2 can not act on cover 6 and cable 2 is accommodated in the 3a of cable housing portion, therefore can need not to close cover 6 and carry out the insertion operation of cable 2.Its result need not the action that what is called is pushed cover 6 when inserting cable 2, therefore the insertion operation that can improve cable 2.

In addition, according to present embodiment, insert mouthful 3d side and form the cut sides 11 of having cut this bight C at the cable of cable guide 10, therefore can further increase the aperture area that cable in the open mode of cover 6 inserts mouthful 3d at bight C with the opposed side of downside arm 4g.Its result stops up cables by cable guide 10 and inserts mouthful 3d to required above situation disappearance, so the operation the during insertion that can improve cable 2 more.

Moreover, in the present embodiment, be level and smooth arc surface by the outer peripheral face that makes cable guide 10, the advantage that the cable 2 that contacts with cable guide 10 can be imported smoothly in the 3a of cable housing portion is arranged.

More than, be illustrated about suitable execution mode of the present invention, but the present invention is not limited to above-mentioned execution mode, can carry out various distortion.

For example, in the above-described embodiment illustration at first contact situation of cable guide is set, but cable guide also can not be arranged on first contact and be arranged on second contact, also can be arranged on first contact and second contact on these two.

Claims

1. cable connector has:

Housing, it is formed with cable and inserts mouth, and has insert mouthful cable housing portion that the cable of the sheet of inserting is taken in from this cable;

Contact, it has first arm and second arm, and fixedly remain on the inboard of described housing, wherein, described first arm is provided with and the surperficial opposed contact portion that inserts mouthful described cable that inserts from described cable, and described second arm is with insert mouthful back side of the described cable of insertion from described cable opposed and be provided with at the leading section of this second arm and engage pivot branch;

Cover, its have allow through hole that described engaging pivot branch inserts and with the described cam part that engages the engaging of pivot branch, and can be supported on described engaging pivot branch rotationally, and down described cable is crimped on described contact portion in off position by these through holes and cam part

Be provided with the front end that described cable than this cover under the open mode of described cover inserts oral-lateral at the leading section of described second arm and more insert the outstanding protuberance of oral-lateral to this cable.

2. cable connector according to claim 1, wherein,

Insert oral-lateral and be formed with cut sides at the cable of described protuberance with the bight of the opposed side of described first arm.