CN1331504A

CN1331504A - Electrical connector combiner

Info

Publication number: CN1331504A
Application number: CN01121727A
Authority: CN
Inventors: 木村牧哉
Original assignee: Tyco Electronics AMP KK
Current assignee: TE Connectivity Corp
Priority date: 2000-07-04
Filing date: 2001-07-04
Publication date: 2002-01-16
Anticipated expiration: 2021-07-04
Also published as: CN1227778C; TW508871B; KR20020004853A; JP2002025654A; JP3537740B2

Abstract

An electric connector assembly having the high reliability in the electric contact of contacts with each other, and capable of achieving the highly dense arrangement of the contacts is provided. The electric connector 1 comprises the first and second connectors 10 and 60 fitted to each other. A first contact 50 of the first connector 10 and a second contact 80 of the second connector 60 respectively comprise fixed parts 51 and 81 fixed to first or second housings 20 or 70, contact parts 52 and 82 extended from the fixed parts 51 and 81 and brought into contact with counter contacts, and substrate connection parts 53 and 83 extended from the fixed parts 51 and 81 and connected to circuit substrates A and B. The fixed parts 51 and 81 of the first and second contacts 50 and 80 are formed only by punching a metal plate, the contact parts 52 and 82 of the first and second contacts 50 and 80 are formed by punching the metal plate and twisting it in the vicinity of a root thereof, and roll surfaces of the contact parts are brought into contact with each other.

Description

Electric connector assembly

Technical field

The present invention relates to be made of mutual chimeric pair of connectors, each connector has by with the metallic plate punch process and reverse the electric connector assembly of the joint that is processed to form.

Background technology

In the prior art, be known by mutual chimeric pair of connectors electric connector assembly that constitute, that two circuit substrates are electrically connected to each other.Each connector in this electric connector assembly has insulation crust and is fixed on a plurality of joints on this shell.Simultaneously, in general, each joint has the fixed part that is fixed on the shell, the contacted contact site of joint that extends and be complementary with it from this fixed part, and extend, be connected to the substrate connecting portion on the circuit substrate from fixed part.Each joint passes through metallic plate Punching Technology or Punching Technology and bending machining formation.Therefore, on each joint, form (roll-in face) rolling surface of metallic plate and the sheared edge face that causes by Punching Technology.

In the mutual chimeric connector of prior art, have on the contact site of extensions such as not reversing from fixed part, make the rolling surface of the metallic plate type that contacts with each other, make aforesaid sheared edge face contact-type each other, and (the opening flat 6-111894 communique referring to the spy) of roll-in face that makes metallic plate as shown in Figure 8 and sheared edge face contact-type.

Wherein, the type that the rolling surface of metallic plate is contacted with each other is to make with the sheared edge face of the roll-in face quadrature of adjacent joint to face mutually, and each joint is arranged on the shell.Therefore, the roll-in face of metallic plate is along the orientation expansion of joint.

In addition, the type that contacts with each other at the sheared edge face is the mutual subtend of roll-in face that makes adjacent joint, each joint is arranged on the shell.

And then, metallic plate roll-in face shown in Figure 8 and sheared edge face contact-type are made of chimeric mutually a pair of first connector 110 and second connector 120, and described first and second connector 110,120 has shell 111,121 respectively and is fixed on a plurality of joints 112,122 on the described shell 111,121.Simultaneously, 112 of the joints of first connector 110 pass through the metallic plate Punching Technology is formed, and have and be pressed into the fixed part 113 that is fixed in the shell 111, the contact site 114 that extends, contact with the roll-in face of sheared edge face and the joint 122 that is complementary with it from described fixed part 113, and from fixed part 113 extensions, the substrate connecting portion 115 that is connected with the circuit substrate (not shown).A plurality of joints 112 be make adjacent joint 112 the mutual subtend of roll-in face be arranged on the shell 111.On the other hand, the joint 122 of second connector 120 is by forming metallic plate Punching Technology and bending machining, and have and be pressed into the fixed part 123 that is fixed in the shell 121, the contact site 124 that extends, contact with the sheared edge face of roll-in face and the joint 112 that is complementary with it from this fixed part 123, and from fixed part 123 extensions, be connected to the substrate connecting portion 125 on the circuit substrate (not shown).Contact site 124 is represented ground well as Fig. 9, from fixed part 123 to direction bending with respect to the close observer of paper quadrature.Joint 122 is that the roll-in face of the fixed part 123 of adjacent joint 122 is arranged on the shell 121 mutually with facing.

Here, at the contact site that does not extend from fixed part, the roll-in face of metallic plate is contacted with each other in the electric connector assembly of type, because the width that joint is in contact with one another each other is wide with reversing, contact-making surface is level and smooth simultaneously, so have the high advantage of electrical contact reliability.

But because the roll-in face of metallic plate is along the orientation expansion of joint, thereby the arrangement pitches that exists joint broadens, the problem that runs in the opposite direction with the requirement of densification.

On the other hand, the sheared edge face is contacted with each other in the electric connector assembly of type, because the mutual subtend of the roll-in face of adjacent joint ground is arranged in each joint on the shell, so that the arrangement pitches of joint narrows down, have the advantage that can carry out densification.

But because unsmooth as the sheared edge face of contact-making surface, the reliability of electrical connection is low, simultaneously, because the width of sheared edge face is narrow, so in the occasion that makes the joint multipolarization, the skew that exists because of the arrangement pitches of the mutual joint of joint causes the problem that can not contact.

Simultaneously, in the electric connector assembly of roll-in face that makes metallic plate shown in Figure 8 and sheared edge face contact-type, since with than the roll-in face of the contact site 124 of broad as contact-making surface, so, in the occasion that makes joint 112,122 multipolarizations, even have the arrangement pitches skew of joint 112,122, in certain scope, the advantage that also can keep joint 112,122 to electrically contact each other.Simultaneously, only can make the joint 112 of first connector 110 that forms by Punching Technology have elasticity, as long as contact-making surface is the contact site 124 of joint 121 of second connector 120 of roll-in face have can the compensated position skew amplitude just passable, thereby have the advantage that the arrangement pitches that can make joint 121 narrows down.

But because the roll-in face of contact site 124 is contacted with the sheared edge face of contact site 114, and the flatness of sheared edge face is poor, so have the shortcoming of

connector

112 and 122 mutual poor reliability that electrically contact.

Thereby the present invention proposes in order to address the above problem, and the reliability height that provides a kind of joint to electrically contact each other is provided, and can high density arranges the electric connector assembly of joint.

Disclosure of an invention

In order to achieve the above object, the electric connector assembly of technical solution of the present invention 1 is a kind ofly to be made of mutual first and second chimeric connector, aforementioned first connector has first shell of insulating properties and is fixed on first joint on this first shell, aforementioned second connector has second shell of insulating properties and is fixed on the electric connector assembly of second joint on this second shell, it is characterized by, aforementioned first and second joint has the fixed part that is fixed on aforementioned first or second shell respectively, extend from this fixed part, the contact site of the joint contact that is complementary with it, and from aforementioned fixed part extension, be connected to the substrate connecting portion on the circuit substrate, the aforementioned fixation portion of aforementioned first and second joint and substrate connecting portion are only by the metallic plate Punching Technology is formed, meanwhile, the aforementioned contact site of aforementioned first and second joint is after metallic plate is die-cut, reverse formation in its root vicinity, whereby, the roll-in face of aforementioned contact site contacts with each other.

Being characterized as of the electric connector assembly of technical solution of the present invention 2, in technical scheme 1 described invention, aforementioned first joint have along with the isolated wall that is bearing in aforementioned first shell simultaneously of the direction of the length direction quadrature of aforementioned first shell on a pair of contact site, aforementioned second joint has a pair of elastic contact part, is configured in to described a pair of elastic contact part subtend in the through hole on the wallboard of the wider width that is formed at second shell between the aforementioned a pair of contact site that inserts aforementioned first joint.

Being characterized as of the electric connector assembly of technical solution of the present invention 3, in technical scheme 2 described inventions, the aforementioned a pair of elastic contact part of aforementioned second joint has different length mutually along the chimeric direction of aforementioned first and second joint.

Being characterized as of the electric connector assembly of technical solution of the present invention 4, in technical scheme 1 to 3 in each described invention, aforementioned first shell of aforementioned first connector constitutes by the shell of the aforementioned fixation portion that is fixed with aforementioned first joint with the shell binary of the aforesaid base plate connecting portion location usefulness of aforementioned first joint, and these binary shells are by the mutual movable range of solder bump restriction at the length direction two ends that are arranged on aforementioned first shell.

As described above, adopt the electric connector assembly of technical scheme 1 among the present invention, because the fixed part of first and second joint and substrate connecting portion are only by the metallic plate Punching Technology is formed, simultaneously, the contact site of first and second joint reverses formation near root after die-cut metallic plate, and the roll-in face of aforementioned contact site contacts with each other whereby, thereby the width that joint is contacted each other is wide, simultaneously, because of contact-making surface is level and smooth, can improve the reliability that electrically contacts.Simultaneously, the contact pressure of contact site is mainly by the cross sectional moment of inertia decision of contact site root without the reverse part, so needn't make the wide undue thickness of slab of plate of the roll-in face of the contact site that reverses greater than the sheared edge face, occasion in that a plurality of joints are arranged along the plate Width of the roll-in face of contact site can reach the spacing stricturization that joint is arranged.Therefore can arrange joint to high-density.

Adopt the electric connector assembly of technical scheme 2 among the present invention, because in the invention described in the technical scheme 1, aforementioned first joint has a pair of contact site that is bearing in when leaving mutually with the direction of the length direction quadrature of aforementioned first shell on aforementioned first shell wall, aforementioned second joint has a pair of elastic contact part, be configured in to described elastic contact part subtend in the through hole on the wallboard of the ratio broad that is formed at second shell between the aforementioned a pair of contact site that inserts aforementioned first joint, so can improve the structural strength of second shell.

Adopt the electric connector assembly of technical scheme 3 among the present invention, because in technical scheme 2 described inventions, the aforementioned a pair of elastic contact part of aforementioned second joint has along the chimeric direction of aforementioned first and second joint and has different length mutually, so when reducing the inlay resultant force peak value, the curved space of elastic contact part is provided with in the mode along chimeric direction offset, so the width of the fore-and-aft direction vertical with the chimeric direction of second shell needn't exceed required width, can guarantee the curved space of elastic contact part.

Adopt the electric connector assembly of technical scheme 4 among the present invention, in technical scheme 1 to 3 in each described invention, aforementioned first shell of aforementioned first connector is by the shell of the aforementioned fixation portion that is fixed with aforementioned first joint, and the shell binary that the aforesaid base plate connecting portion of aforementioned first joint is located constitutes, this binary shell is by being arranged on the mutual movable scope of solder bump restriction of the aforementioned first outer cover length direction, thereby, the limiting mechanism that mutual movable range to the binary shell limits needn't be set, can not make the short transverse of electric connector assembly and the projected area on circuit substrate excessive.

Description of drawings

Fig. 1 represents first connector, (A) is plane graph, (B) is front view, (C) is left side view.

Fig. 2 is the cutaway view along the 2-2 line of Fig. 1 (A).

Fig. 3 represents to be used for first joint of first connector, (A) is perspective view, (B) is the 3B-3B line amplification view along (A).

Fig. 4 represents second connector, (A) is plane graph, (B) is front view, (C) is left side view.

Fig. 5 is the cutaway view along the 5-5 line of Fig. 4 (A).

Fig. 6 (A) is perspective view for representing to be used for second joint of second connector, (B) is the amplification view along the 6B-6B line of (A).

Fig. 7 is the cutaway view according to electric connector assembly of the present invention.

Fig. 8 is the cutaway view of the electric connector assembly of prior art example.

Fig. 9 is the front view that is used for second joint of the described electric connector assembly of Fig. 8.

The mode that carries out an invention

Form of implementation of the present invention is described with reference to the accompanying drawings.Fig. 1 represents first connector, (A) is plane graph, (B) is front view, (C) is left side view.Fig. 2 is the profile along the 2-2 line of Fig. 1 (A).Fig. 3 represents to be used for first joint of first connector, (A) is perspective view, (B) is the amplification view along the 3B-3B line of (A).

First connector 10 shown in Figure 1 has first shell 20 of insulating properties and is fixed on a plurality of first joints 50 on this first shell 20.

Wherein, first shell 20 is by the downside shell 30 that is installed on the circuit substrate A (referring to Fig. 2), and upper housing 40 formations that are configured in downside shell 30 upsides.Downside shell 30 has along its length the housing main body 31 that (left and right directions among Fig. 1 (A)) extend and is arranged on the two ends of housing main body 31, extends beyond a pair of extension 32 of housing main body 31 along fore-and-aft direction (above-below direction of Fig. 1 (A)).Downside shell 30 is by forming insulative resin.On the front/rear end of housing main body 31, form a plurality of substrate connecting portions insertion grooves 33 that become two row along its length with the spacing arrangement of regulation.Simultaneously, on the end face of each extension 32 length direction, form the recess 34 that fixing solder bump is used that is pressed into that extends along the vertical direction.Solder bump 35 is pressed into solder bump and is pressed into fixing using in the recess 34, is connected by welding on the circuit substrate A, and when preventing that downside shell 30 from coming off upward, restriction downside shell 30 is at the movable range of fore-and-aft direction.

On the other hand.Upper housing 40 has along its length the housing base 41 that extends, is configured on the downside shell 30, be arranged on housing base 41 two ends, extend beyond a pair of extension 42 of matrix 41 along fore-and-aft direction, and from outstanding and that be complementary the with it upward chimeric fitting portion 43 of connector of housing base 41.Upper housing 40 is by forming insulative resin.Here, forming central strip wall 44 that clamping extends along its length on the fitting portion 43, on the both sides, front and back, forming the recess 45 that a pair of joint that is complementary with it inserts usefulness.Simultaneously, be positioned on the housing base 41 of these joints that are complementary with it insertions with the bottom of recess 45, forming along its length in accordance with regulations, spacing arrangement becomes the fixing through hole 46 of using of being pressed into of the two a plurality of fixed parts that are listed as.These through holes 46 are arranged to insert the mode of aiming at above-below direction with groove 33 with the substrate connecting portion.Simultaneously, formation is pressed into the fixing solder bump of aiming at above-below direction with recess 34 with solder bump and penetrates insertion recess 47 on the end face of each extension 42 length direction.Upside and

downside shell

30,40 do not possess mechanism that mutual card ends and the mechanism that limits mutual movable range, but, upper end by the solder bump 35 that will extend along fore-and-aft direction is contained in solder bump and penetrates and insert with in the recess 47, when preventing that upper housing 40 from coming off upward, restriction upper housing 40 is along the movable range of fore-and-aft direction.Simultaneously, upper housing 40 is limited by the amount of compliance of solder bump 35 at left and right directions at the movable range of the left and right directions of Fig. 1 (A).

Be fixed on first joint 50 on first shell 20 as Fig. 2 and Fig. 3 institute best the expression, possess to have and be pressed into the fixed part that is fixed to upper housing 40 and be pressed into fixing with the fixed part 51 in the through hole 46, extend to the joint that is complementary with it from fixed part 51 and insert with a pair of contact site 52 in the recess 45, and the substrate connecting portion 53 that always extends to circuit substrate A from fixed part 51 through downside shell 30.On the both sides of fixed part 51, form many in the upper housing 40 of nipping when being pressed into highlightedly to barb (hangnail) 51a.Simultaneously, on the two sides of fixed part 51, metallic plate is being carried out when die-cut, forming the protuberance 51b, the 51c that prevent loosening usefulness after being pressed into.When simultaneously, a pair of contact site 52 leaves mutually along the fore-and-aft direction with upper housing 40 length direction quadratures, be bearing on the wall and central strip wall 44 of fitting portion 43.And then substrate connecting portion 53 has the leg 53a that extends from fixed part 52 downwards.The substrate connecting portion that is inserted into downside shell 30 is set on this leg 53a inserts the insertion section 53b that uses groove 33, extend the 53c of the portion that is welded to connect on the conductive lining that is solder-connected on the circuit substrate A from insertion section 53b.

Each first joint 50 is by with metallic plate Punching Technology such as brass and reverse and be processed to form, but fixed part 51 and substrate connecting portion 53 are only by the metallic plate Punching Technology is formed, contact site 52 is after metallic plate is die-cut, and 52a reverses at the place formation near its root.With near contact site 52 result that 52b reverses at the place its root, the roll-in face 52b of metallic plate points to fore-and-aft direction (left and right directions among Fig. 2), and sheared edge face 52c points to length direction.The inner roller pressure surface of contact site 52 fore-and-aft directions constitutes the contact-making surface with second joint 80.In addition, the plate of contact site 52 top roll pressure surface 52b is wide slightly greater than the thickness of slab of sheared edge face 52c.

In order to assemble first connector 10, at first, the fixed part that the fixed part 51 of first joint 50 is pressed into upper housing 40 from the below is pressed into fixing with in the through hole 46, this is pressed into operation and all carries out with respect to first joint 50, the substrate substrate connecting portion of downside shell 30 is inserted with the insertion section 53b of groove 33 to first joint 50 insert.In this state, in the mode of the mutual subtend in two sides of the fixed part 51 of the first adjacent joint 50 first joint 50 is alongst arranged.Thereby first joint 50 is arranged along the plate width direction of the roll-in face 52b of contact site 52.Secondly, solder bump is penetrated to connect to be pressed into recess 47 through solder bump in the middle of the top be fixed to solder bump and be pressed into fixing using in the recess 34.Then, when being solder-connected to the 53c of the portion that is welded to connect of first joint 50 on the conductive gasket on the circuit substrate A, also solder bump 35 can be solder-connected on the circuit substrate A.Whereby, first connector 10 is assembled on the circuit substrate A.

Describe with chimeric second connector 60 of connector 10 below with reference to Fig. 4 to Fig. 6 pair.Fig. 4 represents second connector, (A) is plane graph, (B) is front view, (C) is left side view.Fig. 5 is the cutaway view along the 5-5 line of Fig. 4 (A).Fig. 6 represents to be used for second joint of second connector, (A) is perspective view, (B) is the amplification profile along the 6B-6B line of (A).

Second connector 60 shown in Figure 4 has second shell 70 of insulating properties and is fixed on a plurality of second joints 80 on second shell 70.

Wherein, second shell 70 housing main body 71 that the left and right directions of (figure (A)) extends by along its length and be located at housing main body 71 two ends, extend beyond housing main body 71 at fore-and-aft direction (above-below direction of Fig. 4 (A)), a pair of substrate installation portion 72 that is installed on the circuit substrate B (referring to Fig. 5) constitutes.Second shell 70 is by forming insulative resin.On the housing main body 71 of second shell 70, the chimeric recess 73 that the whole chimeric length directions of the fitting portion 43 of first shell 20 are extended is set recessedly.On chimeric recess 73, be erected to be arranged on the joint that is complementary with it fore-and-aft direction arranged spaced in accordance with regulations, that be inserted into first shell 20 from the bottom of chimeric recess 73 and insert with two wallboards 74 in the recess 45.On each wallboard 74, form the spaced a plurality of through holes 75 that connect along fore-and-aft direction to stipulate along its length.When each wallboard 74 extends along second shell, 70 length directions, with the fore-and-aft direction of length direction quadrature on form bigger width.Therefore, improve the structural strength of second shell 70.Simultaneously, formation is pressed into regulation with a plurality of fixed parts of stipulating that are spaced into two row along its length and uses hole 76 on the part below the wallboard 74 that is positioned at chimeric recess 73 bottoms.These holes 76 are communicated with through hole 75 to arrange with the mode that through hole 75 aligns at above-below direction.In addition, below chimeric recess 73 bottoms, be added with lightening hole 77.Simultaneously, welding block being set on each substrate installation portion 72 is pressed into fixing with recess 78.

Be fixed on each second joint 80 as Fig. 5 and Fig. 6 institute on second shell 70 the most clearly represents, possess to have and be pressed into the fixed part that is fixed to second shell 70 and be pressed into fixing with the fixed part 81 in the hole 76, the a pair of contact site 82 that in chimeric recess 73, extends from fixed part 81, and the substrate connecting portion 83 that extends to circuit substrate B from fixed part 81.On the both sides of fixed part 81, form many in the housing main body 71 of nipping when being pressed into highlightedly to barb (hangnail).Simultaneously, on the two sides of fixed part 81, when metallic plate is die-cut, form the protuberance 81b, the 81c that prevent to become flexible along its length usefulness after being pressed into.In addition, a pair of contact site 82 is configured in the through hole 75 and the elastic contact part of joint 52 Elastic Contact that match with constituting subtend.And then, at the 83a of the portion that is welded to connect that is provided with on the substrate connecting portion 83 on the conductive gasket that is solder-connected on the circuit substrate B.

Each second joint 80 is by with metallic plate Punching Technology such as brass and reverse and be processed to form, but fixed part 81 and substrate connecting portion 83 are only by the metallic plate Punching Technology is formed, contact 82 is after metallic plate is die-cut, and 82a reverses at the place and is processed to form near its root.With the result that near the 82a root of contact site 82 reverses at the place, the roll-in face 82b of metallic plate points to fore-and-aft direction (left and right directions among Fig. 5), and sheared edge face 82c points to length direction.Be formed on contact protuberance 82d foreign side's bending, outstanding of fore-and-aft direction on contact site 82, the outside roll-in face of contact protuberance 82d constitutes the contact-making surface that contacts with first joint 50.In addition, the wide thickness of slab that is a bit larger tham sheared edge face 82c of plate of contact site 82 top roll pressure surface 82b.

In order to assemble second connector 60, the fixed part that at first fixed part 81 of second joint 80 is pressed into second shell 70 from the below is pressed into fixing with in the hole 76, and this is pressed into operation and all carries out with respect to second joint 80.In this state, in the mode of the mutual subtend in two sides of the fixed part 81 of the second adjacent joint 80 second joint 80 is arranged along its length.Thereby second joint 80 is arranged along the plate width direction of the roll-in face 82b of contact site 82.Secondly, solder bump is pressed into is fixed to solder bump and is pressed into fixing with in the recess 78.Then, when being solder-connected to the 83a of the portion that is welded to connect of second joint 80 on the conductive gasket on the circuit substrate B, also can be solder-connected to solder bump 79 on the circuit substrate B.Whereby, second connector 60 is installed on the circuit substrate B.

Below, with reference to Fig. 7 first connector 10 and second the chimeric of connector 60 are described.Fig. 7 is the cutaway view according to electric connector assembly of the present invention.

As shown in Figure 7, when under the state that first connector 10 is installed on the circuit substrate A, the fitting portion of the chimeric recess 73 of second connector 60 and first connector 10 when chimeric, is finished electric connector assembly 1.Here, near the contact site 52 of first joint 50 52a root reverses at the place, and the roll-in face 52b of metallic plate points to fore-and-aft direction (left and right directions among Fig. 7), and the fore-and-aft direction inner roller pressure surface of contact site 52 constitutes the contact-making surface that contacts with second joint 80.On the other hand, near the contact site 82 of second joint 80 82a root reverses at the place, and the roll-in face 82b of metallic plate points to fore-and-aft direction (left and right directions among Fig. 7), and the fore-and-aft direction outside roll-in face of contact protuberance 82d constitutes the contact-making surface that contacts with first joint 50.Therefore, the contact protuberance 82d of the contact site 82 of second joint 80 in second connector 60 and the contact site 52 of first joint 50 are being in contact with one another between the roll-in face, and the crooked to the inside one side of one side is inserted.The contact site 82 of second joint 80 enters in the through hole 75 that is formed on the wallboard 74 when bending to the inside.When first connector 10 and second connector 60 were chimeric, because the roll-in face of contact site 52,58 contacts with each other, the width that joint is in contact with one another each other was big, simultaneously because contact-making surface is level and smooth, thereby improves the reliability that electrically contacts.And then, by the engaging to each other of smoother roll-in face, can reduce insertion force.In addition, because a pair of contact site 82 of second joint 80 has different length mutually along the chimeric direction of first and

second joint

50,80, depart from mutually with the position of the chimeric direction that contacts protuberance 82d, so in the peak value that can reduce inlay resultant force, the curved space of contact protuberance 82d is provided with along chimeric direction skew ground, so width that will second shell, 70 fore-and-aft directions is increased to more than the required width, can guarantee to contact the curved space of protuberance 82d.In addition, because the plate wide (width of length direction) of the roll-in face of the contact-making surface of

formation contact site

52,82 is bigger slightly than the thickness of slab of sheared edge face, so, even in the occasion that makes joint 50,80 multipolarizations, the danger that can not contact that offset caused of the arrangement pitches of joint is very little each other at joint 50,80.And then, because the contact pressure of

contact site

52,82 is mainly determined by near the cross sectional moment of inertia of the not reverse part the root of

contact site

52,82, so compare with the thickness of slab of sheared edge face 52c, 82c, the wide manufacturing of plate of roll-in face 52b, the 82b of the

contact site

52,82 that will not be reversed excessive, thus can reach the stricturization of the orientation of joint.Therefore, can arrange

joint

50,80 to high-density.

When first joint 50 of first connector 10 contacts with second joint 80 of second connector 60, be connected to the circuit substrate A on first connector 10 and the circuit substrate B that is connected on second connector 60 is electrically connected mutually.

In addition, when being fitted to second connector 60 on first connector 10, even chimeric recess 73 position deviations of the fitting portion 43 of first connector 10 and second connector 60, two

shells

30,40 constitute because first shell 20 is by separating independently, this position deviation can be absorbed by the foot section 53a of first joint 50, thereby can not bring damage, can make these

connectors

10,60 chimeric mutually rightly first and

second joint

50,80.

Claims

1, a kind of electric connector assembly, form by mutual first and second chimeric connector, aforementioned first connector has first shell of insulating properties and is fixed to first joint on this first shell, aforementioned second connector has second shell of insulating properties and is fixed to second joint on this second shell, it is characterized by

Each of aforementioned first and second joint has the fixed part that is fixed on aforementioned first or second shell, extend the contact site that contacts with the joint that matches from this fixed part, and extend, be connected to the substrate connecting portion on the circuit substrate from the front and back fixed part

The aforementioned fixation portion of aforementioned first and second joint and substrate connecting portion are only by the metallic plate Punching Technology is formed, meanwhile, the aforementioned contact site of aforementioned first and second joint is after metallic plate is die-cut, reverse formation in the root vicinity, whereby, the roll-in face of aforementioned contact site contacts with each other.

2, electric connector assembly as claimed in claim 1 is characterized by,

Aforementioned first joint has when leaving mutually with the direction of the length direction quadrature of aforementioned first shell, be bearing in a pair of contact site on the wall of aforementioned first shell,

Aforementioned second joint has a pair of elastic contact part, is configured in to described a pair of elastic contact part subtend in the through hole on the wallboard of the broad that is formed at second shell between the aforementioned a pair of contact site that is inserted into aforementioned first joint.

3, electric connector assembly as claimed in claim 2 is characterized by, and the aforementioned a pair of elastic contact part of aforementioned second joint has different length mutually along the chimeric direction of aforementioned first and second joint.

4, as each described electric connector assembly in the claim 1 to 3, it is characterized by,

Aforementioned first shell of aforementioned first connector is made of the shell of the aforementioned fixation portion that is fixed with aforementioned first joint and the shell binary that the aforesaid base plate connecting portion of aforementioned first joint is located,

The solder bump at the length direction two ends of these binary shells by being located at aforementioned first shell limits its movable range each other.