CN1543014A

CN1543014A - Electric connector

Info

Publication number: CN1543014A
Application number: CNA2004100421685A
Authority: CN
Inventors: 宫尾泰一郎
Original assignee: JST Mfg Co Ltd
Current assignee: JST Mfg Co Ltd
Priority date: 2003-05-02
Filing date: 2004-05-08
Publication date: 2004-11-03
Anticipated expiration: 2024-05-08
Also published as: KR100591116B1; TWI260827B; JP2004335201A; CN1277335C; TW200428707A; KR20040094361A

Abstract

To accomplish a secure connection even when the heights of a contact parts of a contact are dispersed, or when a relatively rigid FPC (flexible printed circuit) is used. A second contact 15 mounted to a fixed housing 4 from its front side is a non-ZIF (zero insert force) type, and is provided with: a main body part 41; a fixed beam 43 extending in parallel with the insertion direction X of a connection member 2 from the body part 41; and an elastic beam 45 extending into a housing hole 44 of the fixed housing 4 from the body part 41. The elastic beam 45 includes a first piece part 47 extending in parallel with the fixed beam 43, and a second piece part 48 folded back from the first piece part 47; and a slot S for inserting the connection member 2 between both the piece parts 47 and 48 is partitioned. The contact part 49 of the second contact 15 is pressed by energizing a tip 2a of the connection member 2 by a tilting surface 57 of a partitioning wall 56 of the fixed housing 4 in addition to elastic repulsive force by expansion of the slot S.

Description

Electric connector

Technical field

The present invention relates to be used to connect for example electric connector of FPC flat shape links such as (flexible printed wiring board (Flexible OrintedCircuit)).

Background technology

At present, so-called Non-ZIF (non-zero insertion force (Non-Zero Insert Force)) type electric connector is arranged, its link such as FPC that will insert from the place ahead by the peristome of housing with insertion force of stipulating inserts between the slit of contact, utilizes the bounce that expands the crack generation of cracking to obtain the contact pressure of contact site (contact portion).

In addition, also have after not applying insertion force and inserting link in the housing, make link guarantee ZLF (zero insertion force (ZeroInsert Force)) the type electric connector of contact pressure to the contact site pressurization of each contact by closing cap.Wherein, also have stagger mutually before and after the contact site of first and second contact that relative housing is pressed into from the rear, so-called W-ZIF (two zero insertion forces (Double ZeroInsert Force)) type electric connector (for example the spy opens 2002-252049).

Open in the electric connector of 2002-252049 above-mentioned spy, considered above-mentioned second contact is pressed into housing from the place ahead, the contact site of this second contact is compared with the contact site of first contact of above-mentioned ZIF type be configured in rear (the direction of insertion side of link), form the Non-ZIF type.

First portion that second contact that is pressed into from housing the place ahead is provided with that main part that autogamy places housing the place ahead rearward extends along the diapire of housing retaining hole and be forwards skewed second portion of turning back of U font from the front end of first portion.

In order to make the electric connector miniaturization, can be set under the state that does not insert link, first portion of second contact contacted with the diapire of housing retaining hole, but deviation appear in the height of being located at the contact site of first portion, can not realize the so-called coplanarity of a plurality of contact sites.

And be soft as the FPC of link as can be known basically by its title, still,, preferably how much have some hardness (rigidity) in order not produce bending etc. to the housing interpolation is fashionable, so that insert, improve operating characteristics.For this reason, often use FPC with some rigidity.

As mentioned above, have deviation or use when having the FPC etc. of rigidity at the height of contact site, the contact site of a part of second contact just can not well contact with link.

Summary of the invention

The present invention is exactly in view of the above problems and exploitation, and its purpose is to provide a kind of small-sized electrical connector, also can be connected reliably even its height at the contact site of contact has deviation or uses when relatively having rigidity etc.

To achieve these goals, the invention provides a kind of electric connector, it comprises: can make the insulating properties stationary housing of the link of flat pattern along the direction of insertion insertion of regulation; Also can be by the stationary housing supporting to the movable housing of first and second position move operation; Replace transversely arranged first and second contact that remains on stationary housing, wherein, the contact site of second contact is compared the direction of insertion side that is configured in afore mentioned rules with the contact site of first contact, movable housing is being under the state of primary importance, and the contact site of first contact between form gap that can not have the chimeric link of insertion force state, simultaneously, be positioned under the state of the second place, can make the contact site pressurization of link to first contact, second contact comprises main part; Extend in parallel and be pressed into the fixed arm of the fixing hole of housing to the direction of insertion of afore mentioned rules from this main part; The elastic arm that autonomous body extends in the accepting hole of housing, above-mentioned elastic arm comprises: have contact site and roughly along first portion that the relative arm of the accepting hole of housing extends; Leading section from this first portion turns back, form second portion in the slit of the chimeric link of insertion force that can stipulate between the contact site of itself and first portion; The said fixing housing comprise by with the slit position spaced to the link in the slit of inserting second contact is pressured can be to the pressured device of contact site pressurization.

In the present invention, the link that inserts housing inserts the slit of second contact of Non-ZIF type with the insertion force of regulation behind the contact site of first contact of passing through the ZIF type.Then, movable housing is operated the second place, guarantee the contact pressure of first contact.

Utilize the expansion in the slit of second contact to open the bounce of generation and the pressured device of stationary housing, link can be pressed in the contact site of second contact, even event for example has under the situation of FPC as link of rigidity in the height generation deviation or the use of the contact site of second contact, link is contacted reliably with the contact site of all second contacts.First portion of the elastic arm by making second contact can reduce the height of electric connector as far as possible along the relative wall of accepting hole, realizes low level.

Extend next door that the sidepiece that separate accepting hole be set with wall above-mentioned relative wall opposite side to above-mentioned relative wall from stationary housing, the inclined plane of being located at this next door in utilization constitutes under the situation of above-mentioned pressured device, leading section by the link that will insert pushes away to first portion, can improve the depended on pressure of link, obtain reliable contact pressure contact site to the contact site of first portion.

In addition, the starting point on above-mentioned inclined plane is configured under the situation of the direction of insertion side of more leaning on afore mentioned rules than the slit of second contact, can not be subjected to the influence ground on inclined plane that link is inserted the slit, can not produce unfavorable condition to inserting.

Be installed on the stationary housing along the direction opposite in above-mentioned first contact with the direction of insertion of afore mentioned rules, second contact is installed on the stationary housing along the direction of insertion of afore mentioned rules simultaneously, and first and second contact has under the situation of leading part across the relative position of stationary housing, can greatly subdue to this electric connector is installed and the erection space of circuitry substrate and above-mentioned low level are cooperated to realize miniaturization.

Description of drawings

Fig. 1 is the general view of lid closed condition of the electric connector of one embodiment of the invention;

Fig. 2 is the general positive map that covers the electric connector of closed condition;

Fig. 3 is the profile along the III-III line of Fig. 2, and stiffener has omitted the hatching of expression section;

Fig. 4 is the profile along the IV-IV line of Fig. 2, and the hatching of expression section has been omitted in first contact;

Fig. 5 is the profile along the V-V line of Fig. 2, and the hatching of expression section has been omitted in second contact;

Fig. 6 is the profile of electric connector, is illustrated in a process of desire insertion link under the state of opening lid;

Fig. 7 is the profile of electric connector, is illustrated in the state that inserts after closing cap finishes to connect behind the link;

Fig. 8 is the part of the major part of the housing approximate three-dimensional map of deciding what is right and what is wrong.

Embodiment

Below, with reference to description of drawings desirable execution mode of the present invention.

Fig. 1 is the general view of the electric connector of one embodiment of the invention, and Fig. 2 is the general positive map of electric connector.With reference to Fig. 1 and Fig. 2, electric connector 1 has stationary housing 4, and this stationary housing 4 is made of insulating properties synthetic resin, divides the insertion space 3 of the link 2 (with reference to Fig. 6) that plugs FPC for example etc. from the place ahead.

As shown in Figure 6, the first half of this stationary housing 4 can be situated between upwards open by the peristome 6 of the top plate portion 5 of stationary housing 4.With reference to Fig. 1, on stationary housing 4, be provided with the lid 7 that the rotation axis C that rotates rotates freely as movable housing, this lid 7 is made of insulating properties forming synthetic resin product, rotates in the primary importance shown in Figure 6 and the second place shown in Figure 4, thereby opens and closes above-mentioned peristome 6.

With reference to Fig. 1, lid 7 is that circular line feeder 8,9 is strengthened by for example section as strengthening part.The part of line feeder 8,9 was covered 7 o'clock at ester moulding, implanted burying underground.

One line feeder 8 bends to the bent axle shape respectively at a counter-lateral quadrents 7a of lid 7, and the pair of end portions of line feeder 8 is outstanding from a counter-lateral quadrents 7a who covers 7, thereby constitutes rotary supporting shaft 10.Each rotary supporting shaft 10 extends to both sides respectively along the pivot center C of lid 7.Each rotary supporting shaft 10 rotates supporting freely by the metallic stiffener on the side plate 11 that is separately fixed at corresponding stationary housing 4 12.

The pair of end portions of another line feeder 9 is exposed from a counter-lateral quadrents 7a who covers 7, is made of the holding section 13 of a pair of locking usefulness this exposed portions serve.The holding section 13 of each usefulness that locks engages with stiffener 12, will cover 7 lockings at closure state.

Utilize the both sides in the above-mentioned insertion of the opposing sideplates 11 differentiations space 3 of stationary housing 4.On stationary housing 4, replace transversely arranged and a plurality of separately first and

second contacts

14,15 of maintenance.

Reference is Fig. 3 along the profile of the III-III line of Fig. 2, stiffener 12 comprises: main part 16, autonomous body 16 extends, also is situated between in the fixing hole 17 of front side insertion housing 3 by the fixing stator portion 18 of locking protrusion, autonomous body 16 extends first Extendible flake 19 that is provided with upward, second Extendible flake 20 and autonomous body 16 that the front end of autonomous body 16 extends setting obliquely upward extend the 3rd hook-shaped Extendible flake 21 that is that is provided with downwards.

First Extendible flake 19 has and is used to support rotary supporting shaft 10 and makes it rotate freely the rotating support portion 22 that is made of groove.The pull-off restrictions 23 that for example is made of projection of stationary housing 4 has prevented the pull-off of rotary supporting shaft 10 autorotation supports 22.

Second Extendible flake 20 comprises the locking part 24 that is made of arc surface.Under the closure state of lid 7, engage with locking part 24 by the holding section 13 that makes locking usefulness, can be with lid 7 lockings at closure state.The 3rd Extendible flake 21 has the fixed part 26 that scolding tin is bonded on surface 25 a of circuitry substrate 25.

Then, reference is Fig. 4 along the profile of the IV-IV line of Fig. 2, and first contact 14 utilizes panel beating to form, and installs from the rear of stationary housing 4.First contact 14 comprises: main part 27; Setting is forwards extended on the top of autonomous body 27, is situated between to be fixed on the stator portion 29 of the fixing hole 28 of stationary housing 4 by locking protrusion; The flexure strip portion 30 that is provided with is extended in the insertion space 3 forwards in the bottom of autonomous body 27; Setting is extended in the lower end of autonomous body 27, at the rear portion of stationary housing 4, is bonded on the leading part 31 of the surperficial 25a of circuitry substrate 25 with scolding tin.

Refer again to Fig. 4, flexure strip portion 30 from the rear be housed in the base plate 32 that is formed at stationary housing 4 above accepting groove 33 in.The rearward end of flexure strip portion 30 is cantilever-shaped supporting by main part 27.Be formed with the contact site 35 that is used to guarantee that the mountain shaped protrusions that makes progress to the contact pressure of link 2 constitutes at the front end 34 of flexure strip portion 30.The contact site 35 of flexure strip portion 30 is from accepting groove 33 turnover in inserting space 3.

The front end 36 of stator portion 29 exposes to the place ahead of the top plate portion 5 of stationary housing 4, extends on the cam part 37 of hinder marginal part 7b of the lid 7 of being located at closure state.Cam part 37 sections are roughly rectangular, are provided with the escape portion 38 that is made of open-work with cam part 37 adjacency.Escape portion 38 is used at lid 7 self-closing states when opening, and avoids the interference with the front end 36 of stator portion 29.

After link 2 inserts space 3 with no insertion force, closing lid 7, contact pressure is guaranteed in contact site 35 pressurizations of 2 pairs first contacts 14 of link.That is to say that first contact 14 is used for the ZIF type.

Specifically, the one side of cam part 37 forms the compression zone 39 that the front end 36 by stator portion 29 bears at lid 7 closure state, and the opposite of this compression zone 39 (back side) is pressurization part 40.Pressurization part 40 is positioned on the contact site 35 of first contact 14 when lid 7 closures, and compression zone 39 makes contact site 35 pressurizations of 2 pairs first contacts 20 of link under the state that the front end 36 by stator portion 29 bears.

Cam part 37 as with the face of pressurization part 40 adjacency, have shown in Figure 6 under the open mode of lid 7 opposite face 70 during relative with the contact site 35 of first contact 14 opening.Be provided with on an equal basis or greater than the sufficient gap 80 of this thickness when under lid 7 open mode, opening between opposite face 70 and the contact site 35, can under no insertion force state, insert link 2 with the thickness of link 2 free states.And under lid 7 closure states,, form the thickness of not enough link 2 free states between pressurization part 40 and the contact site 35, the gap that link 2 is formed contact site 35 pressurizations with reference to Fig. 4.

Then, reference is Fig. 5 along the profile of the V-V line of Fig. 2, and second contact 15 utilizes panel beating to form, and is installed on the stationary housing 4 from the place ahead.Second contact 15 comprises: main part 41; The direction of insertion X that autonomous body 41 is parallel to link rearward extends, and is situated between to be fixed on the fixed arm 43 of the fixing hole 42 of stationary housing 4 by locking protrusion; The elastic arm 45 that autonomous body 41 extends in the accepting hole 44 of stationary housing 4; Setting is extended in below to main part 41, in the positive front portion of stationary housing 4, is bonded on the leading part 46 of the surperficial 25a of circuitry substrate 25 with scolding tin.

Second contact 15 is that so-called Non-ZIF uses.To insert link 2 in the space 3 with between the insertion force insertion slit S that stipulates under lid 7 open mode, the bounce of utilizing the expansion of slit S to open generation obtains the contact pressure of contact site 49 described later (contact portion).

Elastic arm 45 comprises first portion 47 and second portion 48 that extends in parallel with fixed arm 43, and this second portion 48 turns back from the leading section 47a of this first portion 47, and is formed for inserting the slit S of link 2 between first portion 47.

As shown in Figure 7, be provided with pressurization part 50 at the leading section 48a of second portion 48, this pressurization part 50 is made of mountain shaped protrusions, is used for making with the bounce of second portion 48 contact site 49 pressurizations of 2 pairs of first portions 47 of link that insert slit S.

Second portion 48 comprise from the leading section 47a of first portion 47 turn back and the roughly quadrature component 51 that roughly extends to the top plate portion 5 of stationary housing 4 with first portion's 47 quadrature and certainly this roughly quadrature component 51 be provided with above-mentioned pressurization part 50 to the skewed part 52 of above-mentioned contact site 49 skewed bending forwards at the leading section of this skewed part 52.

Do not insert at link 2 under the state of slit S, as shown in Figure 5, between the bearing plane 32a of the base plate 32 of first portion 47 and the conduct relative wall relative, be provided with small gap 53 with it.This gap value d is set at for example 0.02～0.1mm, preferably is set at 0.04～0.06mm.

That is to say that the base end part 47b of first portion 47 that elastic arm 45 can link to each other with main part 41 is the fulcrum elastic springing in the movable range that is equivalent to above-mentioned gap value d.Make base end part 47b leave ormal weight L from the corresponding edge 32b of portion of the bearing plane 32a of base plate 32, sky position 54 is set betwixt, thus, make elastic arm 45 easy deflection deformations as first portion 47 of the crooked fulcrum of elastic arm 45.

The accepting hole 44 of stationary housing 4 is accommodated the part that forms slit S at least 55 of elastic arm 45.With reference to Fig. 4～Fig. 6, Fig. 8, extend to base plate 32 sides from the top plate portion 5 of stationary housing 4, be provided with the next door 56 between the accepting hole 44 of cutting apart adjacency.

Next door 56 has the inclined plane 57 of the leading section 2a of the link 2 that will insert to first portion's 47 thruster of elastic arm 45.Inclined plane 57 tilts and is: (the direction of insertion X of link 2) passes highly and reduce along with rearward, and be promptly approaching to first portion 47.

With reference to Fig. 8, next door 56 is provided with the fixing hole 28 of the stator portion 29 that is used for first contact 14.Next door 56 is provided with the slit portion 58 with the end portions cross on inclined plane 57.As shown in Figure 7, this slit portion 58 contacts with the leading section 2a of the link 2 that inserts, and the insertion position of link 2 is positioned.

When link 2 is connected electric connector 1, as shown in Figure 6, under lid 7 states of opening, link 2 is inserted in the insertion space 3 of stationary housing 4.At this moment, the contact site 35 of first contact 14 that the leading section 2a of link 2 uses by ZIF swimmingly, then, inboard Non-ZIF is opened, by contact site 45 with the slit S elasticity expansion of second contact 15, then, as shown in Figure 7, utilize of first slice portion 47 thrusters of the inclined plane 57 in next door 56, it is contacted with stopper section 58 to second contact 15, thus, link 2 is positioned in regular insertion position.Then, closing cap 7 then utilizes the effect of above-mentioned pressurization part 40 to realize being connected of contact site 35 of the link 2 and first contact 14.

In addition, the invention is not restricted to the foregoing description, for example the present invention also can replace the situation that FPC (FlexibleOrinted Circuit) is applied to connect the link of FFC (soft flat cable (Flexible Flat Cable)) or PCB (printed wiring board (Printed Circuit Board)) etc.Also can apply the present invention to not to be from laterally but insert the vertical shape electric connector of link from the top.

According to present embodiment, utilize the expansion of the slit S of second contact 15 to open the inclined plane 57 in the next door 56 of the bounce of generation and stationary housing 4, by with the leading section 2a of link 2 first portion's 49 thruster to elastic arm 45, can improve and make link 2 to the pressured depended on pressure of the contact site 49 of second portion 15, obtain reliable contact pressure, can improve reliability contact site 49.

Thus, for example have under the situation of FPC as link 2 of rigidity, link 2 is contacted with the contact site 49 of all second contacts 15 reliably even produce deviation or use at the height of the contact site 49 of second contact 15.

First portion 47 of the elastic arm 45 by making second contact 15 can reduce the height of electric connector 1 as far as possible roughly along the base plate 32 as the relative wall of accepting hole 44, realizes low level.

In addition, be used for being configured in than the slit S of second contact 15 more situation by the direction of insertion X side of afore mentioned rules under to the starting point 57a on the inclined plane 57 of contact site 49 thrusters link 2, can not be subjected to the influence ground on inclined plane 57 that link 2 is inserted slit S, can not produce unfavorable condition inserting.

Because first and

second contact

14,15 is installed on the stationary housing 4 from mutually opposite direction, leading

part

31,46 separately is configured in relative position across stationary housing 4, so erection space and the above-mentioned low level that can greatly subdue circuitry substrate 25 cooperate the miniaturization that can realize electric connector 1.

In addition, because the gap value d resilient movement that first portion 47 of the elastic arm 45 of second contact 15 that Non-ZIF uses can be small, so link 2 is contacted with the contact site 49 of all second contacts 15 reliably.

If above-mentioned small gap value d, then can influence the height of electric connector 1 hardly, can not damage miniaturization, especially be 0.02～0.1mm by making gap value d, that better is 0.04～0.06mm, can realize the miniaturization of electric connector 1 and being connected to above-mentioned contact site 49 reliably simultaneously.

By above-mentioned empty position 54 is set, make the elastic arm 45 easy deflection deformations of second contact 15, so can make first portion 47 more reliably with gap value d activity.

But also can adopt first portion 47 of elastic arm 45 that second contact 15 is not set and the structure in the gap 53 between the base plate 32.

In addition, though in above-mentioned, the inclined plane 57 in next door 56 pushes away link 2 in the position at contact site 49 rears (inboard of the direction of insertion X of link 2) of second contact 15, but also can replace, in the position in contact site 49 the place aheads of second contact 15 with link 2 to first portion's 47 thruster.

Claims

1, a kind of electric connector, it comprises: can make the insulating properties stationary housing of the link of flat pattern along the direction of insertion insertion of regulation; Also can be by the stationary housing supporting to the movable housing of first and second position move operation; Replace transversely arranged first and second contact that remains on stationary housing, wherein, the contact site of second contact is compared with the contact site of first contact and is configured in the direction of insertion side of more leaning on afore mentioned rules, movable housing is being under the state of primary importance, and the contact site of first contact between form gap that can not have the chimeric link of insertion force state, simultaneously, be positioned under the state of the second place, can make the contact site pressurization of link to first contact, second contact comprises main part, extend in parallel and be pressed into the fixed arm of the fixing hole of housing to the direction of insertion of afore mentioned rules from this main part, the elastic arm that autonomous body extends in the accepting hole of housing, above-mentioned elastic arm comprises: have contact site and roughly along first portion that the relative wall of the accepting hole of housing extends, the leading section of this first portion is turned back certainly, between the contact site of itself and first portion, form second portion in the slit of the chimeric link of insertion force that can stipulate; The said fixing housing comprises pressured device, and this pressured device can make link that contact site is pressurizeed by pressured to the link in the slit of inserting second contact with the slit position spaced.

2, electric connector as claimed in claim 1 wherein, extends next door that the sidepiece that separate accepting hole be set with wall above-mentioned relative wall opposition side to above-mentioned relative wall side from stationary housing, utilizes the inclined plane of being located at this next door to constitute above-mentioned pressured device.

3, electric connector as claimed in claim 2, wherein, the starting point on above-mentioned inclined plane is configured in the direction of insertion side of more leaning on afore mentioned rules than described slit.

4, electric connector as claimed in claim 1, wherein, above-mentioned first contact is installed on the stationary housing along the direction opposite with the direction of insertion of afore mentioned rules, second contact is installed on the stationary housing along the direction of insertion of afore mentioned rules, and first and second contact has leading part across the relative position of stationary housing.

5, electric connector as claimed in claim 2, wherein, above-mentioned first contact is installed on the stationary housing along the direction opposite with the direction of insertion of afore mentioned rules, second contact is installed on the stationary housing along the direction of insertion of afore mentioned rules, and first and second contact has leading part across the relative position of stationary housing.

6, electric connector as claimed in claim 3, wherein, above-mentioned first contact is installed on the stationary housing along the direction opposite with the direction of insertion of afore mentioned rules, second contact is installed on the stationary housing along the direction of insertion of afore mentioned rules, and first and second contact has leading part across the relative position of stationary housing.