CN103199383A - Electric connector for circuit board - Google Patents
Electric connector for circuit board Download PDFInfo
- Publication number
- CN103199383A CN103199383A CN2013100732700A CN201310073270A CN103199383A CN 103199383 A CN103199383 A CN 103199383A CN 2013100732700 A CN2013100732700 A CN 2013100732700A CN 201310073270 A CN201310073270 A CN 201310073270A CN 103199383 A CN103199383 A CN 103199383A
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- CN
- China
- Prior art keywords
- conductive member
- flat conductive
- terminal
- sticking department
- locking accessory
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/82—Coupling devices connected with low or zero insertion force
- H01R12/85—Coupling devices connected with low or zero insertion force contact pressure producing means, contacts activated after insertion of printed circuits or like structures
- H01R12/88—Coupling devices connected with low or zero insertion force contact pressure producing means, contacts activated after insertion of printed circuits or like structures acting manually by rotating or pivoting connector housing parts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
- H01R12/771—Details
- H01R12/774—Retainers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/62983—Linear camming means or pivoting lever for connectors for flexible or rigid printed circuit boards, flat or ribbon cables
- H01R13/62994—Lever acting on a connector mounted onto the flexible or rigid printed circuit boards, flat or ribbon cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
- H01R12/79—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures connecting to rigid printed circuits or like structures
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention is to provide an electric connector for a circuit board which can surely prevent a flat type conductor from coming off. The electric connector is arranged on the circuit board, to connect electrically the inserted flat type conductor to the circuit board, a housing 40 or a member held by the housing includes a protrusion 51 formed higher than a mounting face 52 for inserting the flat type conductor F, and a lock part 35 and the protrusion 51 act from an upper side and an under side of the flat type conductor F, in the electric connector.
Description
The application be the applicant in February 24 in 2011 submit to, application number for " 201110050472.4 ", denomination of invention divides an application for the application for a patent for invention of " circuit board electrical connector ".
Technical field
The present invention relates to circuit board electrical connector.
Background technology
This connector under the state parallel with the face of circuit substrate, inserts connection with flat conductive members such as FPC.In general this flat conductive member, is formed with ear shape or poroid by fastener at its lateral margin, and it is described by fastener to allow the sticking department of locking accessory of connector be limited to, and prevents that flat conductive member from coming off carelessly.
In patent documentation 1, be provided with and terminal (contact) same, locking accessory (locking component) with horizontal H font of the upper arm parts that links with linking part and lower arm part roughly, the upper arm parts court of this locking accessory is formed with the sticking department (holding section) of claw-like than the rear horizontal-extending of the inserting side of the more close flat conductive member of linking part at its rear portion.This sticking department forms the roughly del outstanding towards the below towards the flat conductive member side, when connector uses, when movable link (slide block) when being used for the off-position that flat conductive member is pressed towards the contact site of terminal moved, the upper arm parts of described locking accessory is lifted by the cam part of movable link in its front portion, utilize lever principle, square neck is oblique down to allow the rear portion of upper arm parts, so sticking department is shifted towards the below.As a result, allow described sticking department from the top towards be inserted in flat conductive member between upper arm parts and the lower arm part form notch part or hole portion by fastener, ended by the leading edge card of fastener with this, prevent that flat conductive member from coming off carelessly.
Patent documentation 1: TOHKEMY 2004-221067
The connector of patent documentation 1, in order to prevent that flat conductive member from coming off carelessly, be limited to this flat conductive member by fastener have only the locking accessory sticking department, and, this sticking department from the top, just is limited to described by fastener with respect to the face of flat conductive member from a side., described sticking department forms roughly del.So, though flat conductive member and the contact site of terminal have and predetermined contact pressure and be in formal connection status, but when the direction pulling is extracted by powerful ground of flat conductive member court, the anterior beveled edge that the power of extracting direction can be taken to the sticking department of described roughly del by fastener of flat conductive member.The beveled edge generation forwardly of this strength is towards the component of top, and the result replys the rear portion that locks the upper arm parts of accessory towards the top, reduced this rear portion amount of the displacement of sticking department just.That is to say, can produce sticking department and be ended the amount minimizing by the card of fastener or depart from the situation that such flat conductive member comes off carelessly.
Summary of the invention
In view of this situation, the objective of the invention is in the circuit board electrical connector that uses the locking accessory, a kind of circuit board electrical connector is provided, under the formal connection status of flat conductive member, even there is powerful amount to act on the direction of extracting of flat conductive member carelessly, sticking department with ended amount by the card of fastener and also can remain very greatly, perhaps by reinforcement should by fastener allow card only state can not change, prevent from coming off and can further positively reach.
Circuit board electrical connector of the present invention, be to be disposed on the circuit substrate, the electric connector that the flat conductive member that inserts is electrically connected with circuit substrate, have: a plurality of terminals, these a plurality of terminals are provided with: keep the smooth plate face of metallic plate formed with the flat conductive member contact contact site, the connecting portion that is connected with circuit substrate, press the press section of flat conductive member and bear to make this press section court press power that direction is shifted by splenium, and these a plurality of terminals are being arranged with the rectangular direction of described plate face; The locking accessory, this locking accessory is provided with: similarly keep formed the ending with the flat conductive member card of the smooth plate face of metallic plate with terminal and the sticking department of locking and bearing make this sticking department displacement power by splenium, and this locking accessory to be configured to the plate face parallel with described terminal; Housing, this housing are formed with the receiving space that the coupling part of the flat conductive member that will insert is accommodated, and keep described terminal at described contact site and flat conductive member position contacting, and keep locking accessory; And movable link, this movable link be provided with strength be applied to described terminal and locking accessory by the pressurization part on the splenium, can be in the enable possition that can insert flat conductive member, flat conductive member is pressed towards the contact site of terminal and sticking department is taken between the off-position of latched position mobile; Described terminal and locking accessory are by forming by the linking part binding in its long axis direction centre position as upper arm parts and the lower arm part that long axis direction extends with the direction of insertion of flat conductive member; The upper arm parts of terminal has by splenium in the front portion than the direction of insertion front side of the more close flat conductive member of linking part, has the press section at the rear portion, and the upper arm parts of locking accessory forwardly has by splenium, has the sticking department of overshooting shape at the rear portion.
In this circuit board electrical connector, in the present invention, housing or the member that remains in housing have the mounting surface of inserting usefulness with respect to flat conductive member and form higher teat, sticking department and teat with respect to flat conductive member from acting on up and down.
In the present invention of this structure, when flat conductive member when mounting surface is inserted into the precalculated position, this flat conductive member by fastener, with respect to the formed teat of the member that keeps by housing or housing, position forwardly, at the above-below direction thickness direction of flat conductive member just, has the repetition scope with this teat, when the masterpiece of extracting direction is used for flat conductive member, become the position relation (the former position relation) that is limited to this teat, or become by the periphery of fastener and be positioned on the teat, flat conductive member this part towards above bent position relation (latter's position relation).
The situation of the former position relation, with respect to flat conductive member by fastener, the sticking department of locking accessory ends from the top card, at the terminal board column direction in the position different with this sticking department, allow teat that the member that housing or housing keep forms from below card end.
,, because ending from blocking up and down, sticking department and teat ended so flat conductive member is all kept card in any direction up and down by fastener with respect to described.And, flat conductive member is pressed downwards by the press section of terminal, so end in abundant scope with the card of the fastener of housing, even follow towards the component desire of top towards the power of flat conductive member flat conductive member is lifted, also can end by being blocked from the power of described press section and the sticking department by the locking accessory.
Then, in the situation of the latter's position relation, because the periphery by fastener of flat conductive member is positioned on the teat, so lifting by the position of fastener, do not end with the teat card at fore-and-aft direction., lift by this, deepened engaging by fastener and described sticking department.So, even flat conductive member is desired to lift towards the top, also can be limited to sticking department by the power from described press section certainly, even desire towards below skew, by the power of lifting from described teat, also can not strengthen this skew and guarantee to end with the card of sticking department.
In the present invention, teat can make: can be being ended by the fastener card of fore-and-aft direction and flat conductive member, and be arranged to be positioned at the locking protrusion of the lower face side of this flat conductive member.In this situation, flat conductive member can be had the repetition scope at above-below direction and this locking protrusion by fastener, the result becomes the position of ending at the fore-and-aft direction card.
In the present invention, the position of the locking protrusion of the sticking department of locking accessory and housing is configured to: stretch in the lateral margin of flat conductive member forms by the breach recess of fastener.
In the present invention, the locking protrusion of housing is located below more than the contact site of terminal at above-below direction.
Though flat conductive member inserts on the contact site that is disposed at terminal, this moment, the locking protrusion of housing than the contact site in below more, so the obstacle can not become flat conductive member and will plug the time.And on the other hand, when connector uses, by allowing movable link come off-position, flat conductive member is pressed towards the below, what allow flat conductive member is positively come the position that can end with the locking protrusion card of housing by fastener, so by allow teat than the contact site in below more, then do not have the situation that card end to be offset.
In the present invention, housing has the restriction portion that flat conductive member is carried out the restriction on above-below direction and the terminal board column direction at the both ends of terminal board column direction, and this restriction portion has the extension that extends towards rear more than the rear end of terminal at fore-and-aft direction.
Like this, when flat conductive member inserts, before the contact site of this flat conductive member and terminal joins, with the position on restriction portion decision above-below direction and the terminal board column direction, so in above-mentioned direction, flat conductive member does not have waste motion, can insert smoothly at preposition, can not be damaged to contact site.
And in the present invention, the lower arm part of terminal has contact site at fore-and-aft direction in the position corresponding with this press section.By press section and contact site are configured in correspondence position at fore-and-aft direction, then contact site can be more certain and stable with contacting of flat conductive member.
In the present invention, teat is being formed up to the different position of locking accessory at the terminal board column direction higherly: when movable link is positioned at off-position, lock the position of top more, bottom of the sticking department of accessory.Like this, to end quantitative change big for sticking department and teat and the card by fastener flat conductive member.
As mentioned above, in the present invention, the member that housing or housing keep has teat at the terminal board column direction in the position different with the locking accessory, this teat is formed up to respect to the mounting surface that is used for inserting flat conductive member higherly: when movable link during in off-position, lock accessory sticking department the bottom more the top the position, so when flat conductive member when mounting surface is inserted into the precalculated position, this flat conductive member by fastener, with respect to the formed teat of the member that keeps by housing or housing, forwardly the position at above-below direction just at the thickness direction of flat conductive member, with this teat acting in conjunction, so when the masterpiece of extracting direction is used for flat conductive member, become the position relation that is limited to this teat, or become by the periphery of fastener and be positioned on the teat, flat conductive member this part towards above bent position relation, the situation of the former position relation, even flat conductive member is at the state that is offset up and down, be subjected to casual powerful amount extracting direction, a wherein side of sticking department and teat becomes the state that more weak card ends, the opposing party also can become stronger card and end state, so under both actings in conjunction, can block comfortably all the time and end, prevent that positively flat conductive member from coming off.And, flat conductive member is pressed downwards by the press section of terminal, also can stop generation so form the upper arm parts of the locking accessory of sticking department: being come off and from the so excessive displacement that comes off of the sticking department of locking accessory from the teat of housing by fastener of flat conductive member, so the above-mentioned card of reaching from sticking department up and down and locking protrusion only can stably be guaranteed.And situation about concerning in the latter's position, the periphery by fastener of flat conductive member is positioned on the teat, so though by fastener in the position that is lifted, do not block at fore-and-aft direction with teat and to end, but lift by this, can deepen engaging by fastener and described sticking department.So, even desire is lifted flat conductive member towards the top, also can be limited to sticking department by the strength from described press section certainly, be offset towards the below even desire, the power of lifting by from described teat can not strengthen this skew yet, can guarantee to end with the card of sticking department.
Description of drawings
Fig. 1 is the stereogram of a part that shows circuit board electrical connector as present embodiment, is inserted in the flat conductive member of this connector.
Fig. 2 is the connector at Fig. 1, the profile of movable link before enable possition and flat conductive member insertion, (A) be at the terminal board column direction, the figure that dissects in the position of wherein a kind of terminal of two kinds of terminals, (B) being the figure that dissects in the position of another kind of terminal, (C) is the figure that dissects in the position of locking accessory.
Fig. 3 is the sectional stereogram in the position suitable with the profile of Fig. 2 (C).
Fig. 4 is at the terminal of the connector of Fig. 1 and near the drawing in side sectional elevation the left part of the position of the linking part of locking accessory.
Fig. 5 is the drawing in side sectional elevation in the position of linking part that shows at the variation of the example of Fig. 4.
Fig. 6 is the sectional arrangement drawing in the position of linking part that shows at other variation of the example of Fig. 4.
Fig. 7 is the demonstration figure of the principle of cam part, (A) is the drawing at the cam part of Fig. 2 (A), (B), (B) is the drawing at the cam part of variation.
Fig. 8 is the figure corresponding with Fig. 2, shows movable link in the enable possition, after flat conductive member inserts.
Fig. 9 is the figure corresponding with Fig. 2, and after the demonstration flat conductive member inserted, movable link was come off-position.
Figure 10 shows other execution mode, is the part section front view of observing the part of connector from the rear.
Figure 11 is the sectional arrangement drawing of the connector of Figure 10, (A) is presented on the terminal board column direction, the section of the position of locking accessory, (B) is presented at the section that the position of (A) is partial to the position of connector side slightly.
Figure 12 is the profile in locking accessory position that shows another execution mode, (A) shows that movable link in the enable possition, (B) shows that it is in off-position.
Symbol description
10,20: terminal
11,21: upper arm parts
12,22: lower arm part
13,23: linking part
14,24: by splenium
15,25: the press section
17,27: contact site
18,28: connecting portion
30: the locking accessory
31: upper arm parts
32: lower arm part
33: linking part
34: by splenium
35: sticking department
40: housing
45: receiving space (insertion ditch)
49: extension
50: restriction portion
51: teat (locking protrusion)
60: movable link
63,64: cam part
F: flat conductive member
F2: by fastener
Embodiment
Below with reference to the accompanying drawings, embodiments of the present invention are described.
Fig. 1 is circuit board electrical connector (to call " connector " in the following text) all who shows present embodiment, and the stereogram of the coupling part of the leading section of the flat conductive member that connects of this connector.
Flat conductive member F at its leading section lower surface, removes covering portion and conductor portion (not having icon) is exposed, and at upper surface laminar reinforcement material F1 is mounted to: than this conductor portion towards more the place ahead is outstanding towards connector 1.This reinforcement material F1, than conductor portion more the place ahead about lateral margin be formed with nick shaped by fastener F2.
As the profile at terminal 10,20 places just shown in Fig. 2 (A), (B), two kinds of terminals 10,20 all form horizontal H type, have: the upper arm parts 11,21 of extending towards transverse direction, lower arm part 12,22 and linking part 13,23 that two arms are linked at its long axis direction pars intermedia respectively. Upper arm parts 11,21, in the front portion as the direction of insertion front side of flat conductive member F, be formed with by the cam part of movable link described later press by splenium 14,24, the rear portion be formed with from above press flat conductive member press section 15,25.In lower arm part 12,22 front portion, be formed with the support 16,26 that described cam is used, and be formed with to contact with the conductor portion of flat conductive member the contact site 17,27 of usefulness at the rear portion.And be provided with the connecting portion 18,28 that welds usefulness with circuit substrate in lower arm part 12,22.
More than, though narrate at two kinds of terminals 10,20 common point, then illustrate at discrepancy.
The upper arm parts 11 of terminal 10, shown in Fig. 2 (A), fore lower edge setting formed recess by splenium 14, and from linking part 13 long the extension longways and be provided with the press section 15 of prominent shape in its back-end towards the rear.Relatively, the upper arm parts 21 of terminal 20, shown in Fig. 2 (B), being formed with straight shape edge portion by splenium 24 of fore lower edge setting, and the situation of the more described terminal 10 of part that extends towards the rear from linking part 23 is shorter, is provided with the press section 25 of prominent shape in its back-end.
The lower arm part 12 of terminal 10 shown in Fig. 2 (A), is extended from linking part 13 towards the place ahead and part outside extending to housing 40 is formed with connecting portion 18.Connecting portion 18 has the fixed part 18A of the ditch shape of recessed bending towards the below.Part between linking part 13 and connecting portion 18 is formed with the support 16 that upper limb forms concavity, is used for accommodating cam part.Relatively, the lower arm part 22 of terminal 20, shown in Fig. 2 (B), upper limb in the part of extending from linking part 23 towards the place ahead, form roughly straight shape edge portion and formed support 26, the part of Yan Shening extends to outside the housing 40 towards the rear, have with the connecting portion 18 of described terminal 10 roughly before and after connecting portion 28 and the fixed part 28A of symmetry.The lower arm part 22 of this terminal 20 at fore-and-aft direction, at linking part 23 pars intermedia with connecting portion 28, in the position corresponding with the press section 25 of upper arm parts 21, is provided with the contact site 27 of prominent shape.
Two kinds of terminals 10,20 of Xing Chenging as shown in Figure 1, are installed from the place ahead and with terminal 20 terminal 10 from the rear towards housing 40 like this, and it is alternately arranged.
Locking accessory 30 as Fig. 2 (C) and shown in Figure 3, forms and terminal 20 similar horizontal H fonts, with terminal 20 similarly, have upper arm parts 31 and lower arm part 32, both link by linking part 33 at its long axis direction pars intermedia.This locks accessory 30, and forwardly, upper arm parts 31 and lower arm part 32 all form the form identical with described terminal 20, in the front portion of upper arm parts 31, is formed with by splenium 34 with straight shape edge portion, is formed with the roughly support 36 of straight shape edge portion in the front portion of lower arm part 32.The rear portion of this locking accessory 30 has and described terminal 20 differences.The rear portion of upper arm parts 31, its length is longer than terminal 20, is in and terminal 10 roughly the same positions, is formed with the lock arm 31A that extends towards the rear.Be provided with the sticking department 35 towards the bigger standing shape of below in its back-end.Described lock arm 31A tilts to extend towards the back upper place.This lock arm 31A, when lifting displacement when described being pressed by the cam part of the movable link of aftermentioned off-position by splenium 34 and towards the top, because lever principle is that fulcrum is shifted towards the below with linking part 33, the result becomes and comes the approximate horizontal position.In this situation, even lock arm 31A not at substantially horizontal position, or has a little inclination, get final product so long as can be described as the posture of level in fact.For example, the lock arm that has inclination for movable link when the enable possition, when movable link is come off-position, though its angle of inclination diminishes and becomes near horizontal level, even but a little inclination is arranged still, even or surpass horizontal level and produce a little inclination at opposition side, in the very little situation of its gradient, all can say so in fact at horizontal level.The sticking department 35 of the standing shape that arranges in the rear end of described lock arm 31A, leading edge 35A forms the approximate vertical edge, and trailing edge 35B tilts towards the front lower place.When having inserted flat conductive member F under the state that be not subjected to by splenium 34 in upper arm parts 31 from the power of cam part, sticking department 35 becomes with the front-end edge of this flat conductive member F interferes position relation on such short transverse.In the rear end of described lower arm part 32, be provided with the fixing feet 38 with connecting portion 28 same modality of terminal 20, be formed with the fixed part 38A of ditch shape here.
With described terminal 10,20 and the housing 40 that kept of locking accessory 30, be formed by the electric insulation material, as shown in Figure 1, form more smooth roughly cuboid profile, as Fig. 2, front and back (right-hand and left in the drawings) run through and be formed with respectively with terminal 10,20 and the terminal that kept of locking accessory 30 keep ditch 41,42 and the locking accessory keep ditch 43.This terminal keep ditch 41,42 and the locking accessory keep ditch 43, with with tabular terminal 10,20 and the plate face of locking accessory 30 keep the mode in a little gap will tabular terminal 10,20 and locking accessory 30 forms in the face of maintenance, forming the slit of the ditch width suitable with its plate thickness with the rectangular direction of the paper of Fig. 2.With respect to terminal keep ditch 41,42 and the locking accessory keep ditch 43, terminal 10,20 and the projection 19 of locking accessory 30 by forming at its lower edge, 29 and projection 39 be limited to bottom of trench and firmly keep at last lower edge.This terminal keep ditch 41,42 and the locking accessory keep ditch 43, the front portion of housing 40 with towards above significantly the front space 44 of breach be communicated with, and be communicated with by the insertion ditch 45 as receiving space that the flat conductive member F that forms towards the rear from middle position uses at fore-and-aft direction.Insert the formation of ditch 45 by this, housing 40 upper/lower positions thereon becomes and has upper wall 46 and lower wall 47, and at the face of this upper wall 46 and lower wall 47, terminal keeps ditch 41,42 to form the form of opening ditch.This upper wall 46, in the position of locking accessory 30, the ditch portion 48 that allows the lock arm 31A of this locking accessory 30 enter runs through up and down and forms slit-shaped.Lower wall 47 is with respect to terminal 10, front end forms roughly taper than unfertile land, form and allow the maintaining part 47A of fixed part 18A setting-in of ditch shape of terminal 10, with respect to terminal 20 and locking accessory 30, form in the rear end the same terminal 20 that forms and locking accessory 30 fixed part 28A and the maintaining part 47A that uses of 38A separately.Described lower wall 47 towards above the terminal of terminal 10 usefulness of opening keep ditch 41, in the rear portion of the lower arm part 12 that allows terminal 10 mode towards the below deflection, its bottom of trench 41A forms taper towards the rear, it is big that its trench depth becomes in regular turn.
Housing 40, from Fig. 1 also as can be known, the both ends at the terminal board column direction are provided with: comprise terminal and arrange the extension 49 that the end edge of locking accessory 30 scope to each other at the two ends of scope extends more towards the rear.This extension 49, as shown in Figure 2, the shape of observing from the rear forms horizontal U font, and the mode with the Width both side edges (scope that is existed by fastener F2 on Width) of accommodating flat conductive member F from the rear is formed with the Width two end portions of inserting ditch 45.This extension 49, inlet portion in the wings has approaching face 49A, the 49B of taper up and down.This of described extension 49 inserts the medial surface of ditch 45 and inner surface up and down, is formed with: be used for the flat conductive member F that inserts is limited the restriction portion 50 of the position of its Width and above-below direction.The following inner surface of the mounting surface equal height during inserting with flat conductive member among this restriction portion 50 is provided with: with the locking protrusion 51 as teat that is ended by fastener F2 card of flat conductive member F.This locking protrusion 51 from Fig. 1 also as can be known, is in respect to locking accessory 30 position of departing from the terminal board column direction, at fore-and-aft direction, from Fig. 2 (C), is arranged on the position roughly the same with the sticking department 35 that locks accessory 30.These locking protrusion 51 its vertical sections form trapezoidal, and leading edge 51A is vertical plane, and trailing edge 51B is conicoid.The upper surface 51C of this locking protrusion 51 is tabular surfaces, as showing when shown in movable link Fig. 2 (C) during in the enable possition, height setting becomes: though be positioned at more below than the lower end of sticking department 35, but when sticking department 35 is shifted towards the below when coming off-position by movable link, be positioned at more top than the lower end of this sticking department 35.When movable link during in the enable possition, shown in Fig. 2 (A), (B), the upper surface of described locking protrusion 51 is below terminal 10,20 lower arm part 12, contact site 17 that 22 places arrange, 27 upper end are positioned at more.
In the present invention, when movable link is come off-position, sticking department 35 and locking protrusion 51 with respect to flat conductive member by fastener F2 from the top and the below replenish card and end.So, as above-mentioned example, when movable link is come off-position, the upper surface 51C of locking protrusion 51, not necessarily to be positioned at more top than the lower end of sticking department 35, also can be positioned at more below than the lower end of sticking department 35, even also can obtain the above-mentioned effect that reaches of replenishing like this.And, in the present invention, locking protrusion not by housing form also can, also other member that can keep at housing for example forms at the reinforcement accessory, and, also can the accessory body with locking arm form relative with sticking department to.
As show cross section shown in Figure 4 at linking part 13,23 and 33 height of living in places, comprise described linking part 13, each regional terminal of 23,33 keep ditch 41,42 and the locking accessory keep the ditch width of ditch 43, bigger at other regional ditch width, formed wide width part 41A, 42A, 43A.In the zone of this wide width part 41A, 42A, 43A, and terminal 10,20 and the locking accessory 30 the plate face between, be formed with gap h1, h2, the h3 wideer than other zone respectively.In present embodiment, h1=h2.With respect to this terminal 10,20 in terminal board column direction alternate configurations, stagger at fore-and-aft direction (above-below direction among Fig. 4) in its position of wide width part 41A, 42A.In this Fig. 4, can know find out above-mentioned locking protrusion 51 on the terminal board column direction its position deviation in the locking accessory 30, and near this locking accessory 30.In the example of above-mentioned Fig. 4, terminal 10,20 linking part 13,23 are arranged on the different position of fore-and-aft direction, therefore, with this linking part 13,23 corresponding zones wide width part 41A, 42A are being set on fore-and-aft direction, wide width part 41A, 42A also stagger at fore-and-aft direction its position.Relatively, as different forms, as shown in Figure 5, when terminal 10,20 linking part 13,23 when fore-and-aft direction is positioned at same position, wide width part 41A, 42A also can form through taper portion and front and back stagger ground migration wide width part 41A, 42A.And, linking part 13,23, as with upper arm parts 11,21 and the forms that link of lower arm part 12,22 have length on the above-below direction suitable with the interval of two arms, even so this linking part 13,23 on fore-and-aft direction in same position, as shown in Figure 6, also can on above-below direction, wide width part 41A, 42A be set different positions, form bigger interval h1, h2 up and down with staggering.
As shown in Figure 1, at connector 1, be provided with the movable link 60 that forms with the electric insulation material free to rotately.This movable link 60 is located at the front space 44 of the front portion formation of housing 40.This movable link 60 is contained the width (size on the terminal board column direction) of housing 40 and is extended, in the enable possition from the posture that stands shown in Fig. 2 (A)～(C), to free to rotate between the off-position of the Fig. 9 that lays across towards transverse direction (A)～(C).This movable link 60, be used for to be applied to towards the displacement of below terminal 10,20, the upper arm parts 11,21 of locking accessory 30,31 rear portion, so-called enable possition, be before producing this displacement, can be with the position of flat conductive member F towards this movable link 60 of insertion ditch 45 insertions of housing 40, on the other hand, so-called off-position is to produce displacement and position that flat conductive member F after will inserting is pressed into towards the below.
Described movable link 60 in the enable possition, shown in Fig. 2 (A)～(C), has from front space 44 operating portion 61 outstanding towards the top, in the ditch portion 62 that is formed with pre-and post perforative slit-shaped than the position of this operating portion 61 below more.This ditch portion 62, be formed on and each terminal 10,20 and the corresponding position of locking accessory 30 at the terminal board column direction, the ditch width of this ditch portion 62 (being the ditch insied width size on the rectangular direction in Fig. 2 (A)～(C) with respect to paper) is for being a bit larger tham corresponding described terminal 10,20 and the degree of the plate thickness of locking accessory 30.Bottom in ditch portion 62 is provided with: as to terminal 10,20 and the pressurization part of locking accessory 30 pressurization, with each terminal 10,20 and lock the corresponding cam part 63,64,65 of accessory 30.Each cam part 63,64,65 form with ditch portion 62 relatively to the ditch inner surface linked each other.
With the cam part 64 of terminal 20 corresponding settings, shown in Fig. 2 (B), when movable link 60 during in the enable possition, the upper right bight that has the oblong cam 63 of growing crosswise of described terminal 10 usefulness is deformed into the section shape of horn shape, and joins with described support 26.Height dimension in the figure also is greater than described cam part 63.So cam part 64 is semicircle at left part, has the shape that tabular surface and its underpart form similar circle at right part.This cam part 64, when movable link 60 during in the enable possition, also with respect to form at upper arm parts 21 places of terminal 20 by splenium 24, for having non-contacting state at interval, when movable link 60 is come off-position, become the lengthwise posture, should be pressed towards the top by splenium 24 and make its elastic displacement.
The cam part 65 that arranges corresponding to locking accessory 30, though the similar described cam part 64 of section shape, even movable link 60 in the enable possition, also be connected to mutually form at upper arm parts 31 places of locking accessory 30 by splenium 34.When movable link 60 was come off-position, this cam part 65 was pressed and is describedly made its elastic displacement by splenium 34.
Corresponding respectively to two kinds of terminals 10,20 cam part 63,64, when movable link 60 is come off-position, from the direction of its rotation, just observe with the rectangular direction of paper among Fig. 2, is the position relation as Fig. 7 (A).In Fig. 7 (A), when movable link 60 during in off-position, become the cam part 63 and cam part 64 of lengthwise posture, from the reaction force A, the B that are subjected to identical power by splenium 14 and support 16 respectively of terminal 10, from the reaction force C, the D that are subjected to identical power by splenium 24 and support 26 respectively of terminal 20.Towards wherein reaction force A, the B of a side cam part 63, its position is consistent and on the line X of the pivot P by cam.Relatively, cam part 64 the opposing party, because its width is wideer than cam part 63, and the circular arc of upper end deflection right side, thereby from be positioned at more the right by the reaction force A of the more described cam part 63 of reaction force C of splenium 24, from the reaction force acts of support 26 in the flat bottom surface of cam part 64, so the center of reaction force D becomes its center, the result can have with described reaction force C same line Y on position.That is to say, when see cam part 63 simultaneously, 64 the time, reaction force A and B reach balance at a line X, and reaction force C and D can reach balance at other line Y that leaves line X.So, cam part 63,64 both sides, bear in the position of the pivot P that leaves described cam mutually at reaction force A, the B of above-below direction balance and equally at reaction force C, the D of above-below direction balance, can become neutral condition at the movable link 60 of off-position in off-position.Movable link 60, though desire from this neutral condition towards the enable possition direction or its rightabout skew, the also moment that can form because of reaction force A, B on described two line X, the Y and C, D, and get back to originally neutral condition can be stablized the state of remaining neutral.
This neutral condition also can obtain two kinds of cam part 63,64 reaction force B, D with respect to the position relation displacement of reaction force A, C.In Fig. 7 (B), when movable link during in off-position, to allow mode that two kinds of cam part 63,64 major axis intersect form the words of two cam part, wherein the reaction force A of a side cam part 63, the position of B stagger mutually, and the reaction force C of the opposing party's cam part 64, the position of D also stagger mutually., observing two kinds of cam part 63,64, four kind of reaction force A, B, C, D simultaneously, compare with the situation of Fig. 7 (A), only is that the position of reaction force B, D is exchanged, and reaches balance when all and Fig. 7 (B) equally.Therefore, in this case, neutral condition is also very stable.
Then, the circuit board electrical connector at the present embodiment of this formation illustrates its using method.
(1) at first, connector 1 as shown in Figure 1 is configured in the precalculated position of circuit substrate (not having icon), with terminal 10,20 connecting portion 18,28 and the fixing feet 38 of locking accessory 30 the two, with each corresponding portion welding of circuit substrate.Scolding tin may be from the described connecting portions 18 that form in lower arm part 12,22,32,28 and fixing feet 38, along terminal 10,20 and locking accessory 30 separately the plate face and rise.; terminal 10,20 and the lower arm part 12,22,32 of locking accessory 30 only is linked to upper arm parts 11,21,31 with linking part 13,23,33, so even scolding tin rises; scolding tin is in order to reach upper arm parts 11,21,31, and scolding tin must pass through this linking part 13,23,33., from Fig. 4～Fig. 6, with respect to linking part 13,23,33, housing 40 is formed with very big gap at wide width part 41A, 42A, 43A, stops at this place so scolding tin rises, and can not arrive upper arm parts 11,21,31.The effect that this stops scolding tin to rise, (flux) also can obtain equally at scaling powder.
(2) then, shown in Fig. 2 (A)～(C), take movable link 60 to stand enable possition, prepare the insertion of flat conductive member F.Be in the state of enable possition at this movable link 60, terminal 10,20 and the locking accessory 30 by splenium 14,24,34, the corresponding cam part 63,64,65 from movable link 60 is not subjected to any strength, so, press section 15,25,35 is in the initial position that is not shifted, and terminal 10,20 is in the state of easy reception flat conductive member F.Locking accessory 30, as mentioned above, its press section 35 is in the position of interfering with the insertion route of flat conductive member F.
(3) then, shown in Fig. 8 (A)～(C), flat conductive member F is inserted towards the insertion ditch 45 of housing 40.At this moment, flat conductive member F, before joining with terminal 10,20, the restriction portion 50 by the extension 49 that arranges at housing 40 places of extending towards the rear is limited in the position that reaches the side up and down, inserts in the precalculated position.So when inserting, terminal 10,20 can not be subjected to excessive strength from flat conductive member F.When flat conductive member F inserted, as mentioned above, movable link 60 was in the enable possition, terminal 10,20 press section 15,25 are not shifted towards the below as yet, therefore, for terminal 10,20, flat conductive member F easily enter into upper arm parts 11,21 and lower arm part 12,22 between.When flat conductive member F inserts, locking accessory 30, as mentioned above, sticking department 35 is in the position of interfering with flat conductive member F, so Yi Bian flat conductive member F boosts this sticking department 35 on one side with its front end advances.Lock arm 31A, before inserting from flat conductive member F, tilt towards the back upper place, so when the trailing edge 35B with the inclination of sticking department 35 bears butt power from flat conductive member F, by towards the component of top and towards the direction deflection displacement of tilting to increase, flat conductive member F advances easily.When flat conductive member F advances to the precalculated position, shown in Fig. 8 (C), sticking department 35 extend into as the notch part of flat conductive member F by fastener F2, becoming can be with respect to this state that is ended by the leading edge card of fastener F2 with leading edge 35A.At this state, described lock arm 31A gets back to gradient originally.Also can find out from Fig. 8 (C), described sticking department 35 extend into from the top flat conductive member F by fastener F2, though and this flat conductive member F is positioned at the top with respect to the locking protrusion 51 of housing 40, but described at fore-and-aft direction is in the position of this locking protrusion 51 by fastener F2, becomes to block the state that ends with this locking protrusion 51 that is arranged at the terminal board column direction with sticking department 35 diverse locations.
(4) then, with movable link 60 as illustrated in fig. 9 towards taking off-position clockwise to.In this off-position, the cam part 63,64,65 of movable link 60 becomes the lengthwise posture, cam part 63 is lifted being pressed towards the top by splenium 14 of terminal 10, cam part 64 is lifted being pressed towards the top by splenium 24 of terminal 20, and cam part 65 will lock being pressed towards the top by splenium 34 of accessory 30 and lift.In the time will being lifted by splenium 14,24,34, terminal 10,20 and the locking accessory 30 upper arm parts 11,21,31, respectively with linking part 13,23,33 as fulcrum, utilize lever principle, than this linking part 13,23,33 more the part at rear square neck is oblique down, allow the press section 15,25 of rear end be shifted towards the below.Terminal 10,20 is pressed flat conductive member F by its press section 15,25 towards the below, improve this flat conductive member F and terminal 10,20 contact site 17,27 contact pressure and be electrically connected really, obtains formal connection status.On the other hand, locking accessory 30 allows the lock arm 31A that tilts towards the back upper place be shifted towards the below deflection in the mode that reduces its gradient, becomes horizontal level.At this horizontal level, sticking department 35 is displaced to towards the below with lower arm part 32 and joins, and further reinforcement and described flat conductive member F's is ended by the card of fastener F2.And flat conductive member F is pressed towards the below by terminal 10,20 press section 15,25 and descends, and allows the locking protrusion 51 of described housing 40 enter into described by the state in the fastener F2 so become.Among the flat conductive member F, by in the fastener F2, sticking department 35 enters from the top towards this, and locking protrusion 51 enters from the below, and the card when spurring flat conductive member F towards the rear ends power can powerful and effect positively.At this state, just at the state of movable link 60 in off-position, cam part 63,64 is in the state of Fig. 7 (A), and the state of maintaining a neutral stance really even movable link 60 is a little towards any direction rotation, can both be replied neutral condition originally.
(5) as flat conductive member F during in formal connection status, towards the rear just when extracting the direction pulling, flat conductive member F can be pressed the sticking department 35 of locking accessory 30 at its leading edge 35A towards the rear by the leading edge of fastener F2 as casual external force.This leading edge 35A is vertical, thus with firmly engaged by fastener F2, be subjected to reaction force towards the rear, 31A spurs towards the rear with lock arm., when movable link 60 during in off-position, this lock arm 31A is towards horizontal direction, do not tilt with respect to horizontal direction, so even be subjected to the tensile force that described reaction force causes, can not produce the component towards the top yet, can keep the posture of this horizontal direction, lock function can not die down.Described leading edge 35A is even without vertical fully, even have a down dip a little, as long as be essentially vertical.
The present invention is not limited to Fig. 1～form shown in Figure 9, can carry out various changes.For example, the teat that is formed at housing does not need to form locking protrusion, also can flat conductive member by the periphery of fastener, form the form higher than the mounting surface of this flat conductive member.In the situation of Figure 10, the mounting surface 52 when inserting with respect to flat conductive member F, housing 40 is formed with the teat 51 ' that uprises at the periphery that locks accessory 30.Can find out also that from Figure 11 (A), (B) this teat 51 ' forms from the place ahead periphery of the sticking department 35 of locking accessory 30 and extends towards the place ahead.In this form, when movable link 60 is come off-position, flat conductive member F, terminal arrange scope by towards described mounting surface 52 towards below press, relatively lift by described teat 51 ' at the sidepiece that is existed by fastener F2, curve concavity at Width.That is to say, will be lifted up by fastener F2 and positively block with sticking department 35 and to end.
Then, in the above-described embodiment, lock arm 31A for the upper arm parts 31 that locks accessory 30, at movable link 60 during in the enable possition, be not subjected to any power from this movable link 60 by splenium 34, tilt towards the back upper place, when movable link 60 is come off-position, being pressed by the cam part 65 of movable link 60 by splenium 34 of described upper arm parts 31, by allowing lock arm 31A become the posture of horizontal direction, allow sticking department 35 towards the below displacement, but in present embodiment shown in Figure 12, also can be in the enable possition, described upper arm parts 31 is subjected to power from cam part 63, lock arm 31A becomes the posture that tilts towards the back upper place, in off-position, removes this strength and takes the posture of horizontal direction.
In Figure 12 (A), movable link 60, the lower edge of operating portion 61 and as with the part of the boundary of ditch portion 62, have roughly semicircular cam part 65 as pressurization part.This cam part 65, when movable link 60 is in the enable possition shown in Figure 12 (A), can slide that the upper limb place of the front portion of the upper arm parts 31 that plays locking accessory 30 forms by splenium 34, should be pressed towards the below by splenium 34.So, as the lock arm 31A at the rear portion of upper arm parts 31, be fulcrum with linking part 33, be shifted into the posture that tilts towards the back upper place.When movable link 60 rotates around axial region 66, when taking the off-position shown in Figure 12 (B) to, described cam part 65 is from being broken away from by splenium 34, the displacement of the arm 31A that unlocks, and this lock arm 31A becomes the posture of level.
The present invention, when corresponding to when the upper surface of flat conductive member forms the situation of conductor portion, terminal does not need to have contact site in lower arm part, but the press section double as contact site of upper arm parts and contacting with described conductor portion.Also the terminal that has the press section double as contact site of the terminal of contact site and upper arm parts in lower arm part can be mixed, form so-called alternating expression configuration.
Claims (1)
1. a circuit board electrical connector is to be disposed on the circuit substrate, and the electric connector with the flat conductive member that inserts is electrically connected with circuit substrate has:
A plurality of terminals, these a plurality of terminals are provided with: keep the smooth plate face of metallic plate formed with the flat conductive member contact contact site, the connecting portion that is connected with circuit substrate, press the press section of flat conductive member and bear to make this press section court press power that direction is shifted by splenium, and these a plurality of terminals are being arranged with the rectangular direction of described plate face;
The locking accessory, this locking accessory is provided with: similarly keep formed the ending with the flat conductive member card of the smooth plate face of metallic plate with terminal and the sticking department of locking and bearing make this sticking department displacement power by splenium, and this locking accessory to be configured to the plate face parallel with described terminal;
Housing, this housing are formed with the receiving space that the coupling part of the flat conductive member that will insert is accommodated, and keep described terminal at described contact site and flat conductive member position contacting, and keep locking accessory; And
Movable link, this movable link be provided with strength be applied to described terminal and locking accessory by the pressurization part on the splenium, can be in the enable possition that can insert flat conductive member, flat conductive member is pressed towards the contact site of terminal and sticking department is taken between the off-position of latched position mobile;
Described terminal and locking accessory are by forming by the linking part binding in its long axis direction centre position as upper arm parts and the lower arm part that long axis direction extends with the direction of insertion of flat conductive member;
The upper arm parts of terminal has by splenium in the front portion than the direction of insertion front side of the more close flat conductive member of linking part, has the press section at the rear portion, and the upper arm parts of locking accessory forwardly has by splenium, has the sticking department of overshooting shape at the rear portion;
It is characterized in that:
The lower arm part of described locking accessory has locking protrusion at the rear portion, this locking protrusion with described sticking department on the above-below direction relative to mode towards above outstanding, when described movable link is positioned at off-position, described sticking department stretches into the lateral margin of flat conductive member forms by the breach recess of fastener from the top, described locking protrusion stretches into this breach recess from the below, and described locking accessory can be ended by the fastener card with described on fore-and-aft direction.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010041664A JP4996705B2 (en) | 2010-02-26 | 2010-02-26 | Circuit board electrical connector |
| JP2010-041664 | 2010-02-26 | ||
| CN201110050472.4A CN102195165B (en) | 2010-02-26 | 2011-02-24 | Electric connector for circuit substrate |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110050472.4A Division CN102195165B (en) | 2010-02-26 | 2011-02-24 | Electric connector for circuit substrate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103199383A true CN103199383A (en) | 2013-07-10 |
| CN103199383B CN103199383B (en) | 2016-11-02 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110050472.4A Active CN102195165B (en) | 2010-02-26 | 2011-02-24 | Electric connector for circuit substrate |
| CN201310073270.0A Active CN103199383B (en) | 2010-02-26 | 2011-02-24 | Circuit board electrical connector |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110050472.4A Active CN102195165B (en) | 2010-02-26 | 2011-02-24 | Electric connector for circuit substrate |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4996705B2 (en) |
| KR (2) | KR101331295B1 (en) |
| CN (2) | CN102195165B (en) |
| TW (2) | TWI472099B (en) |
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| CN110364893A (en) * | 2018-04-03 | 2019-10-22 | 广濑电机株式会社 | Electrical connector with terminal pressing construction |
| CN114759401A (en) * | 2021-01-08 | 2022-07-15 | 住友电装株式会社 | Connector and connector device |
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| JP4951086B2 (en) * | 2010-04-08 | 2012-06-13 | パナソニック株式会社 | connector |
| JP5869346B2 (en) * | 2012-01-12 | 2016-02-24 | ヒロセ電機株式会社 | Holder, holder with flat conductor, and assembly of holder with flat conductor and electrical connector |
| JP5956902B2 (en) | 2012-10-22 | 2016-07-27 | 日本航空電子工業株式会社 | connector |
| KR200477744Y1 (en) * | 2014-02-04 | 2015-07-15 | (주)우주일렉트로닉스 | Ffc connector |
| JP6448136B2 (en) * | 2015-07-03 | 2019-01-09 | ヒロセ電機株式会社 | Flat conductor electrical connector |
| JP6526590B2 (en) * | 2016-03-15 | 2019-06-05 | ヒロセ電機株式会社 | Flat type conductor electrical connector |
| US10763615B2 (en) * | 2017-06-06 | 2020-09-01 | Nippon Tanshi Co., Ltd. | Connector structure having a longitudinal movement restricting protrusion |
| TWI824285B (en) * | 2021-08-27 | 2023-12-01 | 唐虞企業股份有限公司 | Electrical connector |
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Also Published As
| Publication number | Publication date |
|---|---|
| TWI472098B (en) | 2015-02-01 |
| CN102195165B (en) | 2015-03-25 |
| TW201334313A (en) | 2013-08-16 |
| JP4996705B2 (en) | 2012-08-08 |
| KR101331295B1 (en) | 2013-11-20 |
| TW201203739A (en) | 2012-01-16 |
| CN103199383B (en) | 2016-11-02 |
| KR20110098645A (en) | 2011-09-01 |
| KR20130032881A (en) | 2013-04-02 |
| TWI472099B (en) | 2015-02-01 |
| JP2011181206A (en) | 2011-09-15 |
| KR101334489B1 (en) | 2013-11-29 |
| CN102195165A (en) | 2011-09-21 |
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