CN102163786B - Rod-shaped solder and welding method using the same - Google Patents

Rod-shaped solder and welding method using the same Download PDF

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Publication number
CN102163786B
CN102163786B CN201110039737.0A CN201110039737A CN102163786B CN 102163786 B CN102163786 B CN 102163786B CN 201110039737 A CN201110039737 A CN 201110039737A CN 102163786 B CN102163786 B CN 102163786B
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China
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mentioned
conductive component
stick
width
solder
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CN102163786A (en
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黑田桂治
渡边健
宫本大智
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JST Mfg Co Ltd
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JST Mfg Co Ltd
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Abstract

The invention provides rod-shaped solder and welding method using the same, which guarantee solder amount of each connecting solder, prevent generation of solder clinker and bead, as well as protect interelectrode wall of electric connector and improve positioning precision of electric connector. The rod-shaped solder is used for welding a plurality of first conductive components altogether to a plurality of second conductive components disposed on an insulation component in a mode that respective welding parts of the plurality of first conductive components are arranged in a column at intervals. The rod-shaped solder is provided with: a plurality of thick-wall parts, which are arranged at the above intervals along a width direction and are provided with a first surface at one side of the thickness direction and a second surface at the other side of the thickness direction, the first surface is provided with a width the same as or larger than the width of respective first conductive component, and the second surface is provided with a width the same as or smaller than the width of respective second conductive component; and thin-wall parts respectively disposed between adjacent thick walls, thickness of the thick-wall parts are thicker than thickness of other parts comprising the thin-wall parts.

Description

Stick-shaped solder and use the welding method of this stick-shaped solder
Technical field
The invention belongs to the technical field of solder, relating to multiple conductive component is welded in the lump the stick-shaped solder that multiple conductive components of being arranged on insulating element use.
Background technology
Japanese Patent Publication 5-57718 publication discloses following terminal joining method, that is: the terminal making the spacing arrangement specified coincides together relative to one another, make banded solder vertically between coincidence part, above-mentioned melt solder is made by heating, thus by solder, above-mentioned coincidence part is engaged, wherein, above-mentioned solder is pre-formed with the embeded slot arranging uniform distances with terminal, make this embeded slot chimeric with the terminal of a side, and the terminal of superimposed thereon the opposing party at above-mentioned telescoping part.And, in the publication, also disclose and form terminal joining method jaggy being formed between the embeded slot on above-mentioned solder.
Japanese Unexamined Patent Publication 2007-305452 publication discloses following coaxial cable electric connector, that is: along the length direction of the insulation crust of elongate, the conducting terminal of many bodies is arranged with suitable intervals, and, the strip solder using the length direction along above-mentioned insulation crust to configure with extending, is connected in the lump by coax cable center conductor on above-mentioned each conducting terminal.
Like this, in the mode using above-mentioned stick-shaped solder in the past, formed a line at spaced intervals with respective weld part by multiple 1st conductive component, when being welded to together on multiple 2nd conductive components of being arranged on insulating element, sometimes, fusing is formed and the amount of solder of each connection solder of solidifying is uneven.Now, for the above-mentioned connection solder that amount of solder is too small, bonding strength is lower than desired value, and for the above-mentioned connection solder of solder surplus, the gap of adjacent connection solder portion is less than desired value.And, produce the slag of solder sometimes, or occur solder curl after bead, when their being placed, possibly fully cannot guarantee the reliability of product.
And, the shell of electric connector arranges multiple contact and form multiple pole and the conductor using above-mentioned bar-shaped solder the terminal from multiple electric wire to be exposed is welded on above-mentioned multiple contact in the lump in the respective weld part mode formed a line spaced apart, if be provided with the interpolar wall erected to above-mentioned thickness direction between the above-mentioned weld part of adjacent above-mentioned contact on above-mentioned shell, then when welding, above-mentioned interpolar wall is subject to heat load from the above-mentioned stick-shaped solder being heated to high temperature, thus may damage.
Summary of the invention
The present invention completes just in view of the above problems, its object is to, stick-shaped solder is provided and uses the welding method of this stick-shaped solder, wherein, heavy section and thinner wall section are alongst set, above-mentioned each thinner wall section first melts than above-mentioned each heavy section when heated, most above-mentioned each connection solder is formed by above-mentioned each heavy section, thus, the amount of solder of above-mentioned each connection solder can be guaranteed, thus the bonding strength of above-mentioned each connection solder and the gap of adjacent connection solder can be guaranteed, and prevent the slag of solder and the generation of bead, the reliability of product can be improved, and when employing above-mentioned stick-shaped solder time on contact wire conductor being connected to the electric connector with interpolar wall, if on the face of side, above-mentioned contact, between above-mentioned heavy section and above-mentioned thinner wall section, jump is set, then can prevent above-mentioned interpolar wall from sustaining damage because of heat load, improve the positioning precision relative to above-mentioned electric connector.
In order to achieve the above object, stick-shaped solder of the present invention is used in multiple 1st conductive components weld part separately mode formed a line spaced apart, be welded in the lump on multiple 2nd conductive components be arranged on insulating element by the plurality of 1st conductive component, wherein, this stick-shaped solder has:
Multiple heavy section, when length direction being set to Width and setting the thickness direction vertical with above-mentioned Width, the plurality of heavy section separates above-mentioned interval along above-mentioned Width and arranges, and, side on above-mentioned thickness direction has the 1st and opposite side on above-mentioned thickness direction has the 2nd, 1st mask has the width of more than or its width identical with the width of above-mentioned each 1st conductive component, and the 2nd mask has the width of below or its width identical with the width of above-mentioned each 2nd conductive component; And
Thinner wall section, this thinner wall section is separately positioned between adjacent above-mentioned heavy section,
Further, the thickness of above-mentioned heavy section is formed thicker than the thickness at other positions comprising above-mentioned thinner wall section.
Above-mentioned multiple 1st conductive component, above-mentioned multiple 2nd conductive components and above-mentioned stick-shaped solder are configured to, above-mentioned each 1st conductive component to be contacted and above-mentioned each 2nd conductive component contacts with above-mentioned 2nd respectively with above-mentioned 1st of above-mentioned each heavy section of above-mentioned stick-shaped solder respectively, when heating above-mentioned each 1st conductive component respectively, above-mentioned each heavy section and above-mentioned each thinner wall section of above-mentioned stick-shaped solder melt respectively, thus are welded on above-mentioned each 2nd conductive component by above-mentioned each 1st conductive component.
In this case, when heating above-mentioned stick-shaped solder, above-mentioned each thinner wall section first melts than above-mentioned each heavy section, and above-mentioned stick-shaped solder is separated in above-mentioned each thinner wall section place broad ways respectively, and above-mentioned each heavy section becomes independent of each other.Then, make above-mentioned independently each heavy section and melt between above-mentioned each 1st conductive component of its correspondence and each 2nd conductive component and solidify, form that major part between each 1st conductive component with each 2nd conductive component is above-mentioned is respectively connected solder, therefore, when not occurring excessive or not enough, the amount of solder of above-mentioned each connection solder can be guaranteed.Therefore, both ensure that the bonding strength of above-mentioned each connection solder, in turn ensure that the gap between adjacent connection solder.And, when heating above-mentioned stick-shaped solder, because above-mentioned each thinner wall section first melts than above-mentioned each heavy section, therefore when above-mentioned each heavy section fusing, above-mentioned each thinner wall section is difficult to left behind in solid form, thus between above-mentioned each connection solder, be difficult to the slag and the bead that generate solder, thus improve the reliability of product.
And, when wire conductor is welded to there is multiple pole and respectively from stand along above-mentioned thickness direction between the above-mentioned weld part of the adjacent contact shell interpolar wall electric connector above-mentioned contact on, when employing above-mentioned stick-shaped solder, above-mentioned 1st of above-mentioned each heavy section of above-mentioned stick-shaped solder contacts with above-mentioned each wire conductor respectively, above-mentioned 2nd respectively with above-mentioned each contact, the above-mentioned each thinner wall section between adjacent above-mentioned heavy section is then relative with above-mentioned each interpolar wall respectively.Therefore, when on the surface of the side, above-mentioned contact of above-mentioned stick-shaped solder, when being provided with jump between above-mentioned heavy section and above-mentioned thinner wall section, above-mentioned thinner wall section can be made reliably to leave above-mentioned interpolar wall, therefore, it is possible to prevent above-mentioned interpolar wall from sustaining damage because of heat load, and, because above-mentioned heavy section is embedded into the both sides on the Width of above-mentioned interpolar wall, therefore, above-mentioned stick-shaped solder improves relative to the positioning precision of electric connector, reduces the deviation of the amount of solder of above-mentioned each connection solder.
Like this, stick-shaped solder of the present invention is alongst provided with heavy section and thinner wall section, and when heated, above-mentioned each thinner wall section first melts than above-mentioned each heavy section, thus form above-mentioned each connection solder by above-mentioned each heavy section, therefore, the amount of solder of above-mentioned each connection solder can be guaranteed, thus the gap between the bonding strength of above-mentioned each connection solder and adjacent connection solder can be guaranteed, and prevent the slag of solder and the generation of bead, the reliability of product can be improved, and, when employing this stick-shaped solder time on contact wire conductor being connected to the electric connector with interpolar wall, when on the surface of the side, above-mentioned contact of above-mentioned stick-shaped solder, when being provided with jump between above-mentioned heavy section and above-mentioned thinner wall section, can prevent above-mentioned interpolar wall from sustaining damage because of heat load, and the positioning precision that improve relative to above-mentioned electric connector, the deviation of the amount of solder of above-mentioned each connection solder can be reduced.
In welding method of the present invention, use above-mentioned stick-shaped solder, in above-mentioned multiple 1st conductive components weld part separately mode formed a line spaced apart, above-mentioned multiple 1st conductive component is welded in the lump on above-mentioned multiple 2nd conductive components be arranged on insulating element, wherein
Above-mentioned multiple 1st conductive component, above-mentioned multiple 2nd conductive components and above-mentioned stick-shaped solder are configured to, above-mentioned each 1st conductive component to be contacted and above-mentioned each 2nd conductive component contacts with above-mentioned 2nd respectively with above-mentioned 1st of above-mentioned each heavy section of above-mentioned stick-shaped solder respectively
Respectively above-mentioned each 1st conductive component is heated, above-mentioned each heavy section of above-mentioned stick-shaped solder and above-mentioned each thinner wall section are melted respectively, thus above-mentioned each 1st conductive component is welded on above-mentioned each 2nd conductive component.
In this case, when heating above-mentioned each 1st conductive component respectively, above-mentioned each heavy section of above-mentioned stick-shaped solder is heated separately, and above-mentioned each thinner wall section first melts than above-mentioned each heavy section, above-mentioned stick-shaped solder is separated in above-mentioned each thinner wall section place broad ways respectively, makes above-mentioned each heavy wall become independent of each other.Then, above-mentioned independently each heavy section and melt between above-mentioned each 1st conductive component of its correspondence and each 2nd conductive component and solidify, form that major part between each 1st conductive component with each 2nd conductive component is above-mentioned is respectively connected solder, therefore, when not occurring excessive or not enough, the amount of solder of above-mentioned each connection solder can be guaranteed.Therefore, both ensure that the bonding strength of above-mentioned each connection solder, in turn ensure that the gap between adjacent connection solder.And, when heating above-mentioned stick-shaped solder, above-mentioned each thinner wall section first melts than above-mentioned each heavy section, therefore when above-mentioned each heavy section fusing, above-mentioned each thinner wall section is difficult to remain in solid form, thus between above-mentioned each connection solder, be difficult to the slag and the bead that generate solder, therefore improve the reliability of product.
And, when wire conductor is welded to there is multiple pole and from stand respectively along above-mentioned thickness direction between the above-mentioned weld part of the adjacent contact shell interpolar wall electric connector above-mentioned contact on, above-mentioned 1st of above-mentioned each heavy section of above-mentioned stick-shaped solder contacts with above-mentioned each wire conductor respectively, above-mentioned 2nd respectively with above-mentioned each contact, the above-mentioned each thinner wall section between adjacent above-mentioned heavy section is then relative with above-mentioned each interpolar wall respectively.Therefore, when on the surface of the side, above-mentioned contact of above-mentioned stick-shaped solder, when being provided with jump between above-mentioned heavy section and above-mentioned thinner wall section, above-mentioned thinner wall section can be made reliably to leave above-mentioned interpolar wall, therefore, it is possible to prevent above-mentioned interpolar wall from sustaining damage because of heat load, and, because above-mentioned heavy section is embedded into the both sides on the Width of above-mentioned interpolar wall, therefore, above-mentioned stick-shaped solder improves relative to the positioning precision of electric connector, reduces the deviation of the amount of solder of above-mentioned each connection solder.
Like this, welding method of the present invention can obtain the effect identical with the effect realized by above-mentioned stick-shaped solder.
Accompanying drawing explanation
Fig. 1 is the stereogram of the 1st execution mode of stick-shaped solder of the present invention.It is observed from the 1st side of heavy section.
Fig. 2 is the stereogram of the 1st execution mode of above-mentioned stick-shaped solder.It is observed from the 2nd side of above-mentioned heavy section.
Fig. 3 is the front elevation of the 1st execution mode of above-mentioned stick-shaped solder.
Fig. 4 is the stereogram illustrated after said wires, above-mentioned stick-shaped solder and above-mentioned electric connector when the 1st execution mode of the above-mentioned stick-shaped solder of use being connected on electric connector wire conductor is separated.
Fig. 5 be by the said wires shown in Fig. 4, above-mentioned stick-shaped solder and above-mentioned electric connector assembling after their stereogram.
Fig. 6 is the sectional view block the above-mentioned stick-shaped solder in Fig. 5 with the transversal of crosscut on length direction after.
Fig. 7 to Figure 12 illustrates the front elevation employing the execution mode of the welding method of stick-shaped solder of the present invention.Fig. 7 is the front elevation of the main body cover of the retainer shell of maintenance said wires in hot melting and connecting device, above-mentioned electric connector, above-mentioned stick-shaped solder and above-mentioned electric connector.
Fig. 8 is the front elevation of above-mentioned stick-shaped solder, aforementioned body shell, for illustration of situation about the former being placed on the latter.
Fig. 9 is the front elevation of said wires and above-mentioned retainer shell and above-mentioned stick-shaped solder and aforementioned body shell, for illustration of situation about the former being placed on the latter.
Figure 10 is front elevation when above-mentioned hot melting and connecting device being configured in the top being placed in said wires on above-mentioned stick-shaped solder and aforementioned body shell and above-mentioned retainer shell.
Figure 11 is front elevation when above-mentioned hot melting and connecting device is declined from the state of Figure 10.
Front elevation when Figure 12 is welding end and above-mentioned hot melting and connecting device is return.
Figure 13 is the stereogram of the 2nd execution mode of stick-shaped solder of the present invention.It is observed from the 1st side of heavy section.
Figure 14 is the stereogram of the 2nd execution mode of above-mentioned stick-shaped solder.It is observed from the 2nd side of above-mentioned heavy section.
Figure 15 is the plane graph after a part for the 2nd execution mode being exaggerated above-mentioned stick-shaped solder.
Figure 16 is the stereogram of the 3rd execution mode of stick-shaped solder of the present invention.It is observed from the 1st side of heavy section.
Figure 17 is the stereogram of the 3rd execution mode of above-mentioned stick-shaped solder.It is observed from the 2nd side of above-mentioned heavy section.
Figure 18 is the front elevation of the 3rd execution mode of above-mentioned stick-shaped solder.
Embodiment
Below, embodiments of the present invention are described.Fig. 1 to Fig. 3 shows the 1st execution mode of stick-shaped solder of the present invention.This stick-shaped solder 100 is for following object: the mode formed a line at spaced intervals on Width described later with weld part 222a, 230a of multiple 1st conductive component 222,230 and the weld part 321 of multiple 2nd conductive components 320 that is arranged on insulating element 310, is welded on multiple 2nd conductive component 320 in the lump by multiple 1st conductive component 222,230.This weld part 222a, 230a, 321 are the position as the welding object in above-mentioned 1st conductive component the 222,230 and the 2nd conductive component 320 respectively.As shown in Fig. 4 to Figure 12, when above-mentioned 1st execution mode, there are three kinds of above-mentioned 1st conductive components.The first above-mentioned 1st conductive component 222 is the above-mentioned conductors that will be called with insulating wrapped part 221 in the independently electric wire 220 that the surrounding of the conductor of heart yearn or core (core) is coated and form.Above-mentioned 1st conductive component 222 of the second is with insulating wrapped part 221, the surrounding of conductor is coated and above-mentioned conductor in the electric wire 220 of formation equally.This electric wire 220 with by being called that the drain wire (drain wire) that the conductor of heart yearn or core is formed ties together, and coated by the mask tape of conductivity institute, and this mask tape is coated by insulating wrapped part 210 institute.Further, shielded type cable is formed by said wires 220, above-mentioned drain wire, above-mentioned mask tape and above-mentioned insulating wrapped part 210.The drain wire of above-mentioned shielded type cable is also the 1st conductive component, and it is exactly the third the 1st conductive component 230.The said wires 220 be built in the electric wire 200 be made up of above-mentioned shielded type cable is two, and but, this built-in quantity also can be more than one or three.The above-mentioned drain wire be built in the electric wire 200 be made up of above-mentioned shielded type cable is two, and but, this built-in quantity also can be more than one or three, or also can not have drain wire.By peelling off the above-mentioned insulating wrapped part 221 of the terminal of said wires 220, thus, as the conductor of above-mentioned independently electric wire 220 and the terminal as above-mentioned 1st conductive component 222 of the conductor of the electric wire 220 be built in the said wires 200 that is made up of above-mentioned shielded type cable expose from the terminal of above-mentioned insulating wrapped part 221.Further, by peelling off the above-mentioned insulating wrapped part 210 of the terminal of said wires 200, thus, the terminal as above-mentioned 1st conductive component 230 of the conductor of the said wires 200 be made up of above-mentioned shielded type cable is exposed from the terminal of above-mentioned insulating wrapped part 210.Further, above-mentioned insulating element 310 is the shells of the electric connector 300 arranging contact and form on shell, and above-mentioned 2nd conductive component 320 is above-mentioned contacts.But, above-mentioned 1st conductive component can be unified into the conductor of above illustrative independently said wires 220, the conductor of the said wires 220 be built in above-mentioned shielded type cable and be built in any one in the above-mentioned drain wire in above-mentioned shielded type cable, or also can combine wherein two or three.Can't help this execution mode as using the wire conductor of object of stick-shaped solder of the present invention and carry out determinate explanation, as long as can to expose from the terminal of electric wire and the weld part of conductor can the spaced apart and conductor that forms a line, then can become object.Further, as long as all can carry out the electroconductive component welded as the 1st conductive component of the use object of stick-shaped solder of the present invention and the 2nd conductive component, and can't help this execution mode and carry out determinate explanation.As an example, exemplify lead-in wire that the 1st conductive component is electronic unit, situation that the 2nd conductive component is the conductive pattern of printed wiring board.
Below, set orthogonal Width, thickness direction and depth direction, and use these directions to be described.If use Fig. 7 that above-mentioned 1st execution mode is described, then the left and right directions of this figure is above-mentioned Width, the above-below direction of this figure is above-mentioned thickness direction, the direction vertical with the paper of this figure is above-mentioned depth direction, and the front of paper is the nearby side in above-mentioned depth direction, the back side of paper is the inboard in above-mentioned depth direction.In this embodiment, although above-mentioned thickness direction is equivalent to above-below direction, above-mentioned thickness direction also can be equivalent to the direction beyond above-mentioned above-below direction.Above-mentioned electric connector 300 has: as the above-mentioned insulating element 310 of above-mentioned shell; And above-mentioned multiple 2nd conductive components 320 as above-mentioned multiple contact be arranged on this insulating element 310.Above-mentioned insulating element 310 is formed by synthetic resin, but, as long as above-mentioned insulating element is formed by Ins. ulative material.Above-mentioned insulating element 310 has: main body cover 311; And be assembled in the retainer shell 312 on this main body cover 311 from the upside as the side above-mentioned thickness direction.In this embodiment, although insulating element 310 is divided into aforementioned body shell 311 and above-mentioned retainer shell 312 as above, but also can not carry out splitting and integrated.As shown in Figures 4 to 6, aforementioned body shell 311 has: main body 311a, it is formed by the cross member extended on above-mentioned Width and two longitudinal components extending substantially in parallel to the inboard in above-mentioned depth direction from its two ends, and in plan view, be roughly formed as " U " shape; And fitting portion 311b, the inboard consisting of the above-mentioned depth direction of the above-mentioned cross member from this main body 311a extends to the downside as the opposite side above-mentioned thickness direction, chimeric with the other side's side electric connector (omit and illustrate).Above-mentioned fitting portion 311b is chimeric with above-mentioned the other side's side electric connector or depart from along above-mentioned thickness direction.The end face of the upside as the side on above-mentioned thickness direction of above-mentioned fitting portion 311b, in the inboard in the above-mentioned depth direction of above-mentioned cross member, is formed as towards the face of the upside as the side on above-mentioned thickness direction.In aforementioned body 311a, between the relative end face of above-mentioned two above-mentioned longitudinal components, define the incorporating section 311d receiving above-mentioned retainer shell 312 from the upside as the side above-mentioned thickness direction.
Above-mentioned each 2nd conductive component 320 is formed by metal, in roughly rectangular shape, and is pressed in above-mentioned fitting portion 311b.As long as above-mentioned 2nd conductive component is formed by conductive material.About the surface of a wide side of above-mentioned each 2nd conductive component 320, except the end of the upside as the side on above-mentioned thickness direction, remainder all contacts with the surface of the inboard, above-mentioned depth direction of above-mentioned fitting portion 311b.The above-mentioned end of above-mentioned each 2nd conductive component 320 is nearby lateral buckling and contacting with the above-mentioned end face of above-mentioned fitting portion 311b to above-mentioned depth direction.The above-mentioned end of above-mentioned each 2nd conductive component 320 is weld parts 321 of above-mentioned 2nd conductive component 320.Therefore, from above-mentioned Width, above-mentioned each 2nd conductive component 320 is formed as roughly " L " shape.
Above-mentioned retainer shell 312 is formed as roughly tabular, and its thickness of slab direction is roughly consistent with above-mentioned thickness direction.Size on the above-mentioned thickness direction of above-mentioned retainer shell 312 is roughly the same with aforementioned body 311a.When make above-mentioned retainer shell 312 along above-mentioned thickness direction close to aforementioned body 311a time, above-mentioned retainer shell 312 is embedded in above-mentioned incorporating section 311d.
On the central portion of above-mentioned retainer shell 312, be provided with mounting portion 312b, this mounting portion 312b is configured to load ca(u)lk shell 330 with arranging on above-mentioned Width, and this ca(u)lk shell 330 carries out ca(u)lk for independently said wires 220 and the said wires 200 that is made up of the above-mentioned shielded type cable being built-in with said wires 220 respectively.In the inboard in the above-mentioned depth direction of above-mentioned retainer shell 312, be provided with the 1st maintaining part, 1st maintaining part from the end face of the side above-mentioned thickness direction in roughly " U " shape depression, the said wires 200 that remain above-mentioned independently said wires 220 and be made up of above-mentioned shielded type cable with embedding respectively.The 2nd maintaining part is provided with in the nearby side in the above-mentioned depth direction of above-mentioned retainer shell 312, the said wires 220 that 2nd maintaining part in roughly " U " shape depression, remains above-mentioned independently said wires 220 from the end face of the side of above-mentioned thickness direction with embedding respectively, draw from the terminal of the said wires 200 be made up of above-mentioned shielded type cable and above-mentioned 1st conductive component 230 be made up of above-mentioned drain wire of drawing from the terminal of the said wires 200 be made up of above-mentioned shielded type cable.The said wires 220 of drawing from the terminal of the said wires 200 be made up of above-mentioned shielded type cable remains on above-mentioned 2nd maintaining part in two modes concentrated in together.Above-mentioned 1st conductive component 230 be made up of above-mentioned drain wire is through suitable segmentation, thus the part after this segmentation remains in the 2nd maintaining part individually or in two modes concentrated in together.Above-mentioned 2nd maintaining part can carry out correspondence according to the specification of above-mentioned electric connector rightly to the hold mode of these parts, and can't help this execution mode and be restrictively construed to connected mode as the electric wire in the electric connector of object in the present invention.
The above-mentioned end of above-mentioned multiple 2nd conductive component 320 is arranged in along above-mentioned Width on the above-mentioned end face of above-mentioned fitting portion 311b, is made up of multiple poles of above-mentioned electric connector 300 them.Further, the above-mentioned end face of above-mentioned fitting portion 311b is provided with interpolar wall 311f, this interpolar wall 311f erects from the side respectively to above-mentioned thickness direction between the above-mentioned weld part 321 of adjacent above-mentioned 2nd conductive component 320.This interpolar wall 311f is same with above-mentioned insulating element 310 to be formed by synthetic resin, but, as long as formed by Ins. ulative material.Can't help this execution mode as using the electric connector of object of stick-shaped solder of the present invention and carry out determinate explanation, as long as be provided with multiple contact and the weld part of contact is spaced apart forms a line on insulating element.
As shown in Figure 1 to Figure 3, above-mentioned stick-shaped solder 100 has: multiple heavy section 110; And the thinner wall section 120 be separately positioned between adjacent above-mentioned heavy section 110.The length direction of above-mentioned stick-shaped solder 100 is consistent with above-mentioned Width.Further, as previously described above, above-mentioned Width, above-mentioned thickness direction and above-mentioned depth direction are orthogonal.Observe from above-mentioned thickness direction, above-mentioned stick-shaped solder 100 be formed as with above-mentioned Width be long limit, the rectangle that is minor face with above-mentioned depth direction, but, bar-shaped as long as to be formed as with above-mentioned Width be length direction, then also can be other shape.Observe from above-mentioned depth direction, the thickness of above-mentioned each heavy section 110 of above-mentioned stick-shaped solder 100 is identical, and the thickness of above-mentioned each thinner wall section 120 is identical, and but, for each heavy section or each thinner wall section, their thickness also can be inconsistent each other.Above-mentioned heavy section 110 separates above-mentioned interval along above-mentioned Width and arranges.Above-mentioned interval is constant in this embodiment.But above-mentioned interval is and the interval of above-mentioned multiple 2nd conductive component is arranged accordingly, therefore size is determined by the interval of this multiple 2nd conductive component.Therefore, also there is the non-constant and uneven situation in above-mentioned interval.As shown in Figure 1, above-mentioned heavy section 110 has the 1st face 111, face the 111,1st and has the width larger than the width of above-mentioned each 1st conductive component 222 in the side of above-mentioned thickness direction.In this embodiment, the width in above-mentioned 1st face 111 is the width after splitting according to the surface of quantity to the side of the above-mentioned thickness direction of above-mentioned stick-shaped solder 100 of pole.Therefore, above-mentioned each 1st face 111 is continuous print on above-mentioned Width, and as described later, the surface of the side of the above-mentioned thickness direction of above-mentioned stick-shaped solder 100 is formed as plane.As long as the width of above-mentioned 1st is identical with the width of above-mentioned each 1st conductive component or be more than its width.As shown in Figure 2, above-mentioned heavy section 110 has the 2nd face 112, face the 112,2nd at the opposite side of above-mentioned thickness direction and has the width less than the width of above-mentioned each 2nd conductive component 320.As long as the width of above-mentioned 2nd is identical with the width of above-mentioned each 2nd conductive component or be below its width.As shown in Figure 3, because the width in above-mentioned 1st face 111 is larger than the width in above-mentioned 2nd face 112, therefore observe from above-mentioned depth direction, above-mentioned heavy section 110 is formed as trapezoidal, but, thus determinate explanation is not carried out to the size ratio between above-mentioned 1st and above-mentioned 2nd of stick-shaped solder of the present invention.In this embodiment, be positioned at above-mentioned Width two ends above-mentioned heavy section 110 Width outside, be respectively equipped with the end 130 similar with above-mentioned thinner wall section.This end 130 size on depth direction is identical with above-mentioned heavy section 110 and above-mentioned thinner wall section 120.Side and above-mentioned 1st face 111 of the above-mentioned thickness direction of this end 130 are in same plane.It is the side being away from the central authorities on the above-mentioned Width of above-mentioned stick-shaped solder 100 along above-mentioned Width outside above-mentioned Width.Further, the thickness of above-mentioned heavy section 110 is formed as thicker than the thickness at other positions comprising above-mentioned thinner wall section 120.
For above-mentioned stick-shaped solder 100, define plane in the side of the above-mentioned thickness direction of above-mentioned stick-shaped solder 100.Further, on above-mentioned stick-shaped solder 100, define along above-mentioned thickness direction depression and the groove 140 extended in above-mentioned depth direction from the opposite side of the above-mentioned thickness direction of above-mentioned stick-shaped solder 100.This groove is formed as two or more in the mode be parallel to each other, but also can be one.Further, above-mentioned groove 140 is linearity, but, as long as above-mentioned groove extends along above-mentioned depth direction, can not be linearity but curve-like.Further, the both sides on the above-mentioned Width of the above-mentioned groove 140 in above-mentioned stick-shaped solder 100 are formed with above-mentioned heavy section 110 respectively.Further, above-mentioned thinner wall section 120 is defined between the surface of the side on the above-mentioned thickness direction of above-mentioned stick-shaped solder 100 and above-mentioned groove 140.
Then, according to Fig. 4 to Figure 12, illustrate and use above-mentioned stick-shaped solder 100, with each weld part 222a, 230a, 321 modes formed a line spaced apart, above-mentioned multiple 1st conductive component 222 is welded in the lump the welding method on above-mentioned multiple 2nd conductive components 320 be arranged on above-mentioned insulating element 310.This welding method is as follows.As shown in Figure 7, prepare above-mentioned multiple 1st conductive component 222,230, above-mentioned stick-shaped solder 100, above-mentioned multiple 2nd conductive component 320, hot melting and connecting device 400 for heating these parts.As already described, as shown in Fig. 4 and Fig. 7, above-mentioned multiple 1st conductive component 222,230 remains on above-mentioned retainer shell 312, and above-mentioned multiple 2nd conductive component 320 is arranged on the aforementioned body shell 311 of above-mentioned insulating element 310.Above-mentioned hot melting and connecting device 400 will be positioned at the plane of the side of above-mentioned thickness direction as contact-making surface 410, and can move on above-mentioned thickness direction.Further, for heating object, press above-mentioned contact-making surface 410 with the pressure of regulation, in heating object, pass into electric current with prescribed model via above-mentioned contact-making surface 410, thus heating object is heated.By the control mode (can be described as PULSE HEATING mode, high-frequency heating mode etc.) of this electric current, thereby, it is possible to heat while pressing heating object with the stipulated time.The hot melting and connecting device used in the present invention be can't help the above-mentioned hot melting and connecting device 400 of this execution mode and is carried out determinate explanation, as long as can press heating object, simultaneously to the device that it heats with the pressure of regulation.First, as can be seen from figures 8 and 9, by above-mentioned multiple 1st conductive component 222,230, above-mentioned multiple 2nd conductive component 320 and above-mentioned stick-shaped solder 100 be configured to: above-mentioned each 1st conductive component 222,230 is contacted respectively and above-mentioned each 2nd conductive component 320 contacts with above-mentioned 2nd face 112 respectively with above-mentioned 1st face 111 of above-mentioned each heavy section 110 of above-mentioned stick-shaped solder 100.Namely, as shown in Figure 8, in the upside as the side on above-mentioned thickness direction of the aforementioned body shell 311 of above-mentioned insulating element 310, in the mode making above-mentioned 2nd face 112 of above-mentioned each heavy section 110 contact with above-mentioned multiple 2nd conductive component 320, configure above-mentioned stick-shaped solder 100.And, as shown in Figure 9, time in the incorporating section 311d of aforementioned body shell 311 above-mentioned retainer shell 312 being embedded into above-mentioned insulating element 310, above-mentioned 1st face 111 that above-mentioned each 1st conductive component 222,230 is positioned in above-mentioned each heavy section 110 of above-mentioned stick-shaped solder 100 is respectively in contact with it.This is the state shown in Fig. 5 and Fig. 6.Then, as shown in Figure 10, Figure 11 and Figure 12, respectively above-mentioned each 1st conductive component 222,230 is heated, above-mentioned each heavy section 110 of above-mentioned stick-shaped solder 100 and above-mentioned each thinner wall section 120 are melted respectively, thus above-mentioned each 1st conductive component 222,230 is welded on above-mentioned each 2nd conductive component 320.That is, as shown in Figure 10, make the contact-making surface 410 of above-mentioned hot melting and connecting device 400 contact above-mentioned multiple 1st conductive component 222,230, with the above-mentioned stipulated time, above-mentioned thickness direction presses the 1st conductive component 222,230, heats simultaneously.So, by heat transfer, thermal radiation etc., to above-mentioned each 1st conductive component 222,230, above-mentioned stick-shaped solder 100 and above-mentioned each 2nd conductive component 320 heat, above-mentioned each heavy section 110 of above-mentioned stick-shaped solder 100 and above-mentioned each thinner wall section 120 are melted respectively, thus above-mentioned each 1st conductive component 222,230 is welded on above-mentioned each 2nd conductive component 320.During this period, because above-mentioned stick-shaped solder 100 melts, therefore, weld part 222a, 230a of above-mentioned 1st conductive component 222,230 sink slightly towards the downside as the opposite side on above-mentioned thickness direction.In fig. 12,170 is connection solders that above-mentioned stick-shaped solder 100 melts after coagulation.
In this embodiment, as previously described above, above-mentioned each 1st conductive component 222,230 is the conductors exposed from the terminal of the independently said wires such as electric wire and shielded type cable 220,200, above-mentioned insulating element 310 is shells of the electric connector 300 with multiple pole, above-mentioned each 2nd conductive component 320 is the contacts of each pole above-mentioned forming above-mentioned electric connector 300 respectively, further, above-mentioned shell is provided with the interpolar wall 311f erected respectively along above-mentioned thickness direction between the above-mentioned weld part 321 of adjacent above-mentioned contact.Therefore, in above-mentioned welding method, be by above-mentioned multiple 1st conductive component 222,230, above-mentioned multiple 2nd conductive component 320 and above-mentioned stick-shaped solder 100 be configured to, above-mentioned each 1st conductive component 222,230 is contacted respectively and above-mentioned each 2nd conductive component 320 contacts with above-mentioned 2nd face 112 respectively with above-mentioned 1st face 111 of above-mentioned each heavy section 110 of above-mentioned stick-shaped solder 100, now, the above-mentioned each thinner wall section 120 between adjacent above-mentioned heavy section 110 is configured to relative with above-mentioned each interpolar wall 311f respectively.
Therefore, in the 1st execution mode of stick-shaped solder of the present invention, by above-mentioned multiple 1st conductive component 222, 230, above-mentioned multiple 2nd conductive component 320 and above-mentioned stick-shaped solder 100 are configured to, make above-mentioned each 1st conductive component 222, 230 contact with above-mentioned 1st face 111 of above-mentioned each heavy section 110 of above-mentioned stick-shaped solder 100 respectively, and above-mentioned each 2nd conductive component 320 contacts with above-mentioned 2nd face 112 respectively, and ought respectively to above-mentioned each 1st conductive component 222, 230 when heating, above-mentioned each heavy section 110 and above-mentioned each thinner wall section 120 of above-mentioned stick-shaped solder 100 melt respectively, thus by above-mentioned each 1st conductive component 222, 230 are welded on above-mentioned each 2nd conductive component 320.
In this case, when heating above-mentioned stick-shaped solder 100, above-mentioned each thinner wall section 120 first melts than above-mentioned each heavy section 110, and above-mentioned stick-shaped solder 100 is separated in the direction of the width at above-mentioned each thinner wall section 120 place respectively, and above-mentioned each heavy section 110 becomes independent of each other.Then, above-mentioned independently each heavy section 110 and melt between above-mentioned each 1st conductive component 222,230 of its correspondence and each 2nd conductive component 320 and solidify, form that each 1st conductive component 222,230 and the major part between each 2nd conductive component 320 are above-mentioned is respectively connected solder 170, therefore, guarantee that the amount of solder of above-mentioned each connection solder 170 can not occur excessive or not enough.Therefore, both ensure that the bonding strength of above-mentioned each connection solder 170, in turn ensure that the gap between adjacent connection solder 170.And, when heating above-mentioned stick-shaped solder 100, above-mentioned each thinner wall section 120 first melts than above-mentioned each heavy section 110, therefore when above-mentioned each heavy section 110 melts, above-mentioned each thinner wall section 120 is difficult to left behind in solid form, thus between above-mentioned each connection solder 170, be not easy the slag and the bead that generate solder, therefore improve the reliability of product.
And, by said wires 220, the solderable conductor of 200 is received has multiple pole and respectively from when being provided with erecting on the above-mentioned contact of the electric connector 300 of interpolar wall 311f along above-mentioned thickness direction between the above-mentioned weld part of the adjacent contact shell, when employing above-mentioned stick-shaped solder 100, above-mentioned 1st face 111 of above-mentioned each heavy section 110 of above-mentioned stick-shaped solder 100 respectively with above-mentioned each electric wire 220, the conductor contact of 200, and above-mentioned 2nd face 112 respectively with above-mentioned each contact, above-mentioned each thinner wall section 120 between adjacent above-mentioned heavy section 110 is then relative with above-mentioned each interpolar wall 311f respectively.Therefore, when on the surface of the side, above-mentioned contact of above-mentioned stick-shaped solder 100, when being provided with jump between above-mentioned heavy section 110 and above-mentioned thinner wall section 120, above-mentioned thinner wall section 120 can be made reliably to leave above-mentioned interpolar wall 311f, therefore, it is possible to prevent above-mentioned interpolar wall 311f from sustaining damage because of heat load, and, because above-mentioned heavy section 110 is embedded into the both sides on the Width of above-mentioned interpolar wall 311f, therefore, improve the positioning precision of above-mentioned stick-shaped solder 100 relative to above-mentioned electric connector 300, reduce the deviation of the amount of solder of above-mentioned each connection solder 170.
As long as stick-shaped solder of the present invention is following form, namely, have: multiple heavy section, length direction is being set to Width, and when setting the thickness direction vertical with above-mentioned Width, the plurality of heavy section separates above-mentioned interval along above-mentioned Width and arranges, and the side on above-mentioned thickness direction has the 1st, and the opposite side on above-mentioned thickness direction has the 2nd, 1st mask has the width of more than or its width identical with the width of above-mentioned each 1st conductive component, 2nd mask has the width of below or its width identical with the width of above-mentioned each 2nd conductive component, and thinner wall section, this thinner wall section is separately positioned between adjacent above-mentioned heavy section, and the thickness of above-mentioned heavy section is formed thicker than the thickness at other positions comprising above-mentioned thinner wall section.Wherein, in so various execution modes, the stick-shaped solder 100 of above-mentioned 1st execution mode defines plane in the side of above-mentioned thickness direction further, and define in above-mentioned thickness direction depression and one or more the groove 140 extended in the depth direction vertical with above-mentioned Width and above-mentioned thickness direction from the opposite side of above-mentioned thickness direction, form respectively above-mentioned heavy section 110 in the both sides of the above-mentioned Width of above-mentioned groove 140, and define above-mentioned thinner wall section 120 between the surface and above-mentioned groove 140 of the side of above-mentioned thickness direction.Thereby, it is possible to realize above-mentioned stick-shaped solder of the present invention with fairly simple structure.And, at this stick-shaped solder 100 of use by said wires 220, when the solderable conductor of 200 is received on the above-mentioned contact of the electric connector 300 with above-mentioned interpolar wall 311f, this stick-shaped solder 100 configures in the mode that each groove 140 above-mentioned is corresponding with above-mentioned each interpolar wall 311f respectively, above-mentioned thinner wall section 120 can be made reliably to leave above-mentioned each interpolar wall 311f, therefore, it is possible to prevent above-mentioned interpolar wall 311f from sustaining damage because of heat load, and, because above-mentioned heavy section 110 is embedded into the both sides on the Width of above-mentioned interpolar wall 311f, therefore improve the positioning precision of above-mentioned stick-shaped solder 100 relative to above-mentioned electric connector 300, reduce the deviation of the amount of solder of above-mentioned each connection solder 170.
Then, other execution modes are described.In these other execution modes, directly quote the structure of above-mentioned 1st execution mode and variation thereof, and in other execution modes above-mentioned, carry out additional explanation for the structure different from the structure of above-mentioned 1st execution mode.Figure 13 to Figure 15 shows the 2nd execution mode of stick-shaped solder of the present invention.About symbol, employ the symbol identical with the symbol used in the 1st execution mode.In above-mentioned 1st execution mode, nearby the end face of side and the end face of inboard are formed as smooth plane in the above-mentioned depth direction of above-mentioned stick-shaped solder 100.On the other hand, in the 2nd execution mode, centre on the above-mentioned Width of above-mentioned thinner wall section 120 is formed with narrow part 150, and about sectional area when blocking with the face towards above-mentioned Width, the sectional area of this narrow part 150 is minimum in above-mentioned thinner wall section 120.Therefore, when observing along above-mentioned Width, above-mentioned thinner wall section 120 reduces at above-mentioned narrow part 150 place.Namely, centre on the above-mentioned Width of above-mentioned thinner wall section 120, the recess 151 that the end face being formed with the nearby side from the above-mentioned depth direction of above-mentioned thinner wall section 120 caves in inboard, and the recess 151 be formed from the end face of the inboard, above-mentioned depth direction of above-mentioned thinner wall section 120 to nearby side depression, defines above-mentioned narrow part 150 between these recesses 151.
When heating the stick-shaped solder 100 of above-mentioned 2nd execution mode, among above-mentioned each thinner wall section 120, above-mentioned narrow part 150 first melts, therefore, the probability that above-mentioned stick-shaped solder 100 is separated in the direction of the width at above-mentioned each thinner wall section place respectively improves, and reliably can obtain the functions and effects realized by the stick-shaped solder 100 of above-mentioned 1st execution mode further.And, make above-mentioned each heavy section 110 independent of one another because above-mentioned stick-shaped solder 100 is separated in the direction of the width at above-mentioned each narrow part 150 place respectively, the fragment of the above-mentioned each thinner wall section 120 after being therefore separated in the middle of above-mentioned Width is absorbed by above-mentioned independently each heavy section 110.Therefore, it is possible to guarantee the amount of solder of above-mentioned each connection solder 170 further exactly, deviation is reduced.Thereby, it is possible to guarantee the gap between the bonding strength of above-mentioned each connection solder 170 and adjacent connection solder 170 more reliably, and, between above-mentioned each connection solder 170, be more difficult to the slag and the bead that generate solder, improve the reliability of product.Because other structure, function and effect in the 2nd execution mode are identical with above-mentioned 1st execution mode, therefore omit the description.
Figure 16 to Figure 18 shows the 3rd execution mode of stick-shaped solder of the present invention.About symbol, employ the symbol identical with the symbol used in the 1st execution mode.In above-mentioned 1st execution mode, the 1st face 111 of above-mentioned heavy section 110 is formed as smooth plane.On the other hand, in the 3rd execution mode, above-mentioned 1st face 111 of above-mentioned heavy section 110 is formed with receptacle 160, and this receptacle 160 caves in and above-mentioned weld part 222a, 230a of above-mentioned 1st conductive component 222,230 is entered on above-mentioned thickness direction.In this embodiment, when observing from above-mentioned depth direction, above-mentioned receptacle 160 is depression in arc-shaped, and from the above-mentioned depth direction of above-mentioned heavy section 110 nearby the end face of side extend to the end face of inboard, above-mentioned depth direction roughly as the crow flies.Further, the degree of depth on the thickness direction of above-mentioned receptacle 160 is set to the degree that the part on the above-mentioned thickness direction of above-mentioned weld part 222a, 230a of above-mentioned 1st conductive component 222,230 can be made to enter.But, the shape of above-mentioned receptacle be can't help this execution mode and is carried out determinate explanation, if above-mentioned receptacle be formed as can making along above-mentioned thickness direction depression the above-mentioned weld part of above-mentioned 1st conductive component on above-mentioned 1st of above-mentioned heavy section part or all enter.
For the stick-shaped solder 100 of above-mentioned 3rd execution mode, when welding, above-mentioned weld part 222a, 230a of above-mentioned 1st conductive component 222,230 are engaging in very difficult generation in above-mentioned receptacle 160 and move unintentionally, can improve the workability of welding.Because other structure, function and effect in the 3rd execution mode are identical with above-mentioned 1st execution mode, therefore omit the description.
Below, the summary of embodiments of the present invention is described.
1) the 1st mode in stick-shaped solder of the present invention is the stick-shaped solder for following object, described object is in multiple 1st conductive components weld part separately mode formed a line spaced apart, multiple 1st conductive component is welded in the lump on multiple 2nd conductive components be arranged on insulating element, wherein, above-mentioned stick-shaped solder has:
Multiple heavy section, when length direction being set to Width and setting the thickness direction vertical with above-mentioned Width, the plurality of heavy section separates above-mentioned interval along above-mentioned Width and arranges, and, side on above-mentioned thickness direction has the 1st and opposite side on above-mentioned thickness direction has the 2nd, 1st mask has the width of more than or its width identical with the width of above-mentioned each 1st conductive component, and the 2nd mask has the width of below or its width identical with the width of above-mentioned each 2nd conductive component; And
Thinner wall section, this thinner wall section is separately positioned between adjacent above-mentioned heavy section,
Further, the thickness of above-mentioned heavy section is formed thicker than the thickness at other positions comprising above-mentioned thinner wall section.
Above-mentioned multiple 1st conductive component, above-mentioned multiple 2nd conductive components and above-mentioned stick-shaped solder are configured to, above-mentioned each 1st conductive component to be contacted and above-mentioned each 2nd conductive component contacts with above-mentioned 2nd respectively with above-mentioned 1st of above-mentioned each heavy section of above-mentioned stick-shaped solder respectively, when heating above-mentioned each 1st conductive component respectively, above-mentioned each heavy section and above-mentioned each thinner wall section of above-mentioned stick-shaped solder melt respectively, thus are welded on above-mentioned each 2nd conductive component by above-mentioned each 1st conductive component.
In this case, when heating above-mentioned stick-shaped solder, above-mentioned each thinner wall section first melts than above-mentioned each heavy section, and above-mentioned stick-shaped solder is separated in the direction of the width at above-mentioned each thinner wall section place respectively, and above-mentioned each heavy section becomes independent of each other.Then, make above-mentioned independently each heavy section and melt between above-mentioned each 1st conductive component of its correspondence and each 2nd conductive component and solidify, form that major part between each 1st conductive component with each 2nd conductive component is above-mentioned is respectively connected solder, therefore, when not occurring excessive or not enough, the amount of solder of above-mentioned each connection solder can be guaranteed.Therefore, both ensure that the bonding strength of above-mentioned each connection solder, in turn ensure that the gap of adjacent connection solder.And, when heating above-mentioned stick-shaped solder, because above-mentioned each thinner wall section first melts than above-mentioned each heavy section, therefore when above-mentioned each heavy section fusing, above-mentioned each thinner wall section is difficult to left behind in solid form, thus between above-mentioned each connection solder, be difficult to the slag and the bead that generate solder, thus improve the reliability of product.
And, when wire conductor is welded to there is multiple pole and respectively from stand along above-mentioned thickness direction between the above-mentioned weld part of the adjacent contact shell interpolar wall electric connector above-mentioned contact on, when employing above-mentioned stick-shaped solder, above-mentioned 1st of above-mentioned each heavy section of above-mentioned stick-shaped solder contacts with above-mentioned each wire conductor respectively, above-mentioned 2nd respectively with above-mentioned each contact, the above-mentioned each thinner wall section between adjacent above-mentioned heavy section is then relative with above-mentioned each interpolar wall respectively.Therefore, when on the surface of the side, above-mentioned contact of above-mentioned stick-shaped solder, when being provided with jump between above-mentioned heavy section and above-mentioned thinner wall section, above-mentioned thinner wall section can be made reliably to leave above-mentioned interpolar wall, therefore, it is possible to prevent above-mentioned interpolar wall from sustaining damage because of heat load, and, because above-mentioned heavy section is embedded into the both sides on the Width of above-mentioned interpolar wall, therefore, above-mentioned stick-shaped solder improves relative to the positioning precision of electric connector, reduces the deviation of the amount of solder of above-mentioned each connection solder.
The stick-shaped solder of above-mentioned 1st mode is alongst provided with heavy section and thinner wall section, and when heated, above-mentioned each thinner wall section first melts than above-mentioned each heavy section, thus form above-mentioned each connection solder by above-mentioned each heavy section, therefore, the amount of solder of above-mentioned each connection solder can be guaranteed, thus the gap between the bonding strength of above-mentioned each connection solder and adjacent connection solder can be guaranteed, and prevent the slag of solder and the generation of bead, the reliability of product can be improved, and, when employing this stick-shaped solder when wire conductor being connected to the contact of the electric connector with interpolar wall, when on the surface of the side, above-mentioned contact of above-mentioned stick-shaped solder, when being provided with jump between above-mentioned heavy section and above-mentioned thinner wall section, can prevent above-mentioned interpolar wall from sustaining damage because of heat load, and the positioning precision that improve relative to above-mentioned electric connector, the deviation of the amount of solder of above-mentioned each connection solder can be reduced.
2) the 2nd mode in stick-shaped solder of the present invention is on the basis of the stick-shaped solder of above-mentioned 1st mode,
Side on above-mentioned thickness direction defines plane, and, define along above-mentioned thickness direction depression and one or more the groove extended in the depth direction vertical with above-mentioned Width and above-mentioned thickness direction from the opposite side above-mentioned thickness direction, both sides on the above-mentioned Width of above-mentioned groove form respectively above-mentioned heavy section, and define above-mentioned thinner wall section between the surface of side on above-mentioned thickness direction and above-mentioned groove.
Thus, the stick-shaped solder of above-mentioned 1st mode is achieved by fairly simple structure.And, when using this stick-shaped solder to be welded to by wire conductor on the above-mentioned contact of the electric connector possessing above-mentioned interpolar wall, this stick-shaped solder configures in the mode that each groove above-mentioned is corresponding with above-mentioned each interpolar wall respectively, above-mentioned thinner wall section can be made reliably to leave above-mentioned each interpolar wall, therefore, it is possible to prevent above-mentioned interpolar wall from sustaining damage according to heat load, and, because above-mentioned heavy section is embedded into the both sides on the Width of above-mentioned interpolar wall, therefore improve the positioning precision of above-mentioned stick-shaped solder relative to electric connector, reduce the deviation of the amount of solder of above-mentioned each connection solder.
The stick-shaped solder of above-mentioned 2nd mode is except can obtaining the effect that realized by the stick-shaped solder of above-mentioned 1st mode, the stick-shaped solder of above-mentioned 1st mode can also be realized by fairly simple structure, and, when employing this stick-shaped solder when being connected with the contact of the electric connector with interpolar wall by wire conductor, can prevent above-mentioned interpolar wall from sustaining damage because of heat load, and the positioning precision that improve relative to above-mentioned electric connector, can reduce the deviation of the amount of solder of above-mentioned each connection solder.
3) the 3rd mode in stick-shaped solder of the present invention is on the basis of the stick-shaped solder of the above-mentioned 1st or the 2nd mode,
Centre on above-mentioned Width in above-mentioned thinner wall section is formed with narrow part, and about sectional area when blocking with the face towards above-mentioned Width, the sectional area of this narrow part is minimum among above-mentioned thinner wall section.
Thus, when heating above-mentioned stick-shaped solder, among above-mentioned each thinner wall section, above-mentioned narrow part first melts, therefore, the probability that above-mentioned stick-shaped solder is separated in above-mentioned each thinner wall section place broad ways respectively improves, and further reliably can obtain the functions and effects realized by the stick-shaped solder of the above-mentioned 1st or the 2nd mode.And, due to above-mentioned stick-shaped solder respectively above-mentioned each narrow part place broad ways be separated thus above-mentioned each heavy section becomes independent of each other, therefore, the fragment of the above-mentioned each thinner wall section after being separated in the middle of above-mentioned Width is absorbed by above-mentioned independently each heavy section.Therefore ensure that the amount of solder of above-mentioned each connection solder further exactly, reduce deviation.Thereby, it is possible to guarantee the gap between the bonding strength of above-mentioned each connection solder and adjacent connection solder more reliably, and, between above-mentioned each connection solder, be more difficult to the slag and the bead that generate solder, improve the reliability of product.
The stick-shaped solder of above-mentioned 3rd mode is except can obtaining the effect that realized by the stick-shaped solder of the above-mentioned 1st or the 2nd mode, the amount of solder of above-mentioned each connection solder can also be guaranteed further exactly, deviation is reduced, therefore, the gap between the bonding strength of above-mentioned each connection solder and adjacent connection solder can be guaranteed more reliably, and between above-mentioned each connection solder, be more difficult to the slag and the bead that generate solder, the reliability of product can be improved.
4) the 4th mode in stick-shaped solder of the present invention is on the basis of the stick-shaped solder of any one mode in above-mentioned 1st to the 3rd mode,
Above-mentioned 1st of above-mentioned heavy section is formed with receptacle, and this receptacle caves on above-mentioned thickness direction, and the above-mentioned weld part of above-mentioned 1st conductive component is entered.
Thus, if make the above-mentioned weld part of above-mentioned 1st conductive component enter into above-mentioned receptacle when welding, then above-mentioned weld part can not occur to move unintentionally, therefore improves the workability of welding.
The stick-shaped solder of above-mentioned 4th mode is except can obtaining the effect that realized by the stick-shaped solder of any one mode in above-mentioned 1st to the 3rd mode, the above-mentioned weld part of above-mentioned 1st conductive component when welding can also being made to be engaging in above-mentioned receptacle and can not to occur to move unintentionally, the workability of welding can be improved.
5) in the 1st mode in welding method of the present invention, use the stick-shaped solder of any one mode in above-mentioned 1st to the 4th mode, in above-mentioned multiple 1st conductive components weld part separately mode formed a line spaced apart, above-mentioned multiple 1st conductive component is welded in the lump on above-mentioned multiple 2nd conductive components be arranged on insulating element, wherein
Above-mentioned multiple 1st conductive component, above-mentioned multiple 2nd conductive components and above-mentioned stick-shaped solder are configured to, above-mentioned each 1st conductive component to be contacted and above-mentioned each 2nd conductive component contacts with above-mentioned 2nd respectively with above-mentioned 1st of above-mentioned each heavy section of above-mentioned stick-shaped solder respectively
Respectively above-mentioned each 1st conductive component is heated, above-mentioned each heavy section of above-mentioned stick-shaped solder and above-mentioned each thinner wall section are melted respectively, thus above-mentioned each 1st conductive component is welded on above-mentioned each 2nd conductive component.
In this case, when heating above-mentioned each 1st conductive component respectively, above-mentioned each heavy section of above-mentioned stick-shaped solder is heated separately, and above-mentioned each thinner wall section first melts than above-mentioned each heavy section, above-mentioned stick-shaped solder is separated in above-mentioned each thinner wall section place broad ways respectively, makes above-mentioned each heavy wall become independent of each other.Then, above-mentioned independently each heavy section and melt between above-mentioned each 1st conductive component of its correspondence and each 2nd conductive component and solidify, form that major part between each 1st conductive component with each 2nd conductive component is above-mentioned is respectively connected solder, therefore, when not occurring excessive or not enough, the amount of solder of above-mentioned each connection solder can be guaranteed.Therefore, both ensure that the bonding strength of above-mentioned each connection solder, in turn ensure that the gap between adjacent connection solder.And, when heating above-mentioned stick-shaped solder, above-mentioned each thinner wall section first melts than above-mentioned each heavy section, therefore when above-mentioned each heavy section fusing, above-mentioned each thinner wall section is difficult to remain in solid form, between above-mentioned each connection solder, be difficult to the slag and the bead that generate solder, therefore improve the reliability of product.
And, when wire conductor is welded to there is multiple pole and from stand respectively along above-mentioned thickness direction between the above-mentioned weld part of the adjacent contact shell interpolar wall electric connector above-mentioned contact on, above-mentioned 1st of above-mentioned each heavy section of above-mentioned stick-shaped solder contacts with above-mentioned each wire conductor respectively, above-mentioned 2nd respectively with above-mentioned each contact, the above-mentioned each thinner wall section between adjacent above-mentioned heavy section is then relative with above-mentioned each interpolar wall respectively.Therefore, when on the surface of the side, above-mentioned contact of above-mentioned stick-shaped solder, when being provided with jump between above-mentioned heavy section and above-mentioned thinner wall section, above-mentioned thinner wall section can be made reliably to leave above-mentioned interpolar wall, therefore, it is possible to prevent above-mentioned interpolar wall from sustaining damage because of heat load, and, because above-mentioned heavy section is embedded into the both sides on the Width of above-mentioned interpolar wall, therefore, above-mentioned stick-shaped solder improves relative to the positioning precision of electric connector, reduces the deviation of the amount of solder of above-mentioned each connection solder.
The welding method of above-mentioned 1st mode can obtain the effect identical with the effect realized by the stick-shaped solder of any one mode in above-mentioned 1st to the 4th mode respectively.
6) the 2nd mode in welding method of the present invention is on the basis of the welding method of above-mentioned 1st mode,
Above-mentioned each 1st conductive component is the conductor exposed from the terminal of electric wire,
Above-mentioned insulating element is the shell of the electric connector with multiple pole, above-mentioned each 2nd conductive component is the contact of each pole above-mentioned forming above-mentioned electric connector respectively, above-mentioned shell is provided with the interpolar wall erected respectively to above-mentioned thickness direction between the above-mentioned weld part of adjacent above-mentioned contact
Above-mentioned stick-shaped solder is the above-mentioned stick-shaped solder of any one mode in above-mentioned 1st to the 4th mode, above-mentioned multiple 1st conductive component, above-mentioned multiple 2nd conductive components and above-mentioned stick-shaped solder are configured to, above-mentioned each 1st conductive component to be contacted and above-mentioned each 2nd conductive component contacts with above-mentioned 2nd respectively with above-mentioned 1st of above-mentioned each heavy section of above-mentioned stick-shaped solder respectively, now, the above-mentioned each thinner wall section between adjacent above-mentioned heavy section is configured to relative with above-mentioned each interpolar wall respectively.
According to the welding method of the 2nd mode, the stick-shaped solder of any one mode in above-mentioned 1st to the 4th mode is used to be welded to by wire conductor on the above-mentioned contact of the electric connector possessing above-mentioned interpolar wall.Further, above-mentioned 1st of above-mentioned each heavy section of above-mentioned stick-shaped solder contacts with above-mentioned each wire conductor respectively, above-mentioned 2nd respectively with above-mentioned each contact, and above-mentioned each thinner wall section between adjacent above-mentioned heavy section is relative with above-mentioned each interpolar wall respectively.Therefore, when on the surface of the side, above-mentioned contact of above-mentioned stick-shaped solder, when being provided with jump between above-mentioned heavy section and above-mentioned thinner wall section, above-mentioned thinner wall section can be made reliably to leave above-mentioned interpolar wall, therefore, it is possible to prevent above-mentioned interpolar wall from sustaining damage because of heat load, and, because above-mentioned heavy section is embedded into the both sides on the Width of above-mentioned interpolar wall, therefore improve the positioning precision of above-mentioned stick-shaped solder relative to electric connector, reduce the deviation of the amount of solder of above-mentioned each connection solder.
The welding method of above-mentioned 2nd mode is except can obtaining the effect that realized by the welding method of above-mentioned 1st mode, also specifically disclose the stick-shaped solder using any one mode in above-mentioned 1st to the 4th mode, wire conductor is welded to the method on the above-mentioned contact of the electric connector possessing above-mentioned interpolar wall.
Stick-shaped solder of the present invention comprises all execution modes after the feature of the stick-shaped solder being combined with above execution mode and variation.Welding method of the present invention comprises all execution modes after the feature of the welding method being combined with above execution mode and variation.

Claims (5)

1. a stick-shaped solder (100), it is in respective weld part (222a, 230a) mode formed a line spaced apart of multiple 1st conductive component (222,230), the plurality of 1st conductive component (222,230) is welded in the lump on multiple 2nd conductive components (320) be arranged on insulating element (310), wherein, this stick-shaped solder (100) has:
Multiple heavy section (110), length direction is being set to Width, and when setting the thickness direction vertical with described Width, the plurality of heavy section (110) separates described interval along described Width and arranges, side on described thickness direction has the 1st (111), and the opposite side on described thickness direction has the 2nd (112), 1st (111) have and each described 1st conductive component (222, 230) width more than identical or its width of width, 2nd (112) have the width of below or its width identical with the width of each described 2nd conductive component (320), and
Multiple thinner wall section (120), the plurality of thinner wall section (120) is separately positioned between adjacent described heavy section (110),
The thickness of described heavy section (110) is formed thicker than the thickness at other positions comprising described thinner wall section (120),
Centre on described Width in described thinner wall section (120) is formed with narrow part (150), about sectional area when blocking with the face towards described Width, the sectional area of this narrow part (150) is minimum among described thinner wall section (120)
Centre on the described Width of described thinner wall section (120), be formed with the recess (151) caved in the opposite side on described depth direction from the end face of the side the depth direction vertical with described Width and described thickness direction of described thinner wall section (120), and be formed with the recess (151) caved in the described side on described depth direction from the end face of the described opposite side the described depth direction of described thinner wall section (120), between these two recesses (151), define described narrow part (150).
2. stick-shaped solder according to claim 1 (100), wherein,
This stick-shaped solder (100) side on described thickness direction defines plane, and define along described thickness direction depression and one or more the groove (140) extended in described depth direction from the opposite side described thickness direction, both sides on the described Width of described groove (140) form respectively described heavy section (110), define described thinner wall section (120) between the surface of the side on described thickness direction and described groove (140).
3. stick-shaped solder according to claim 1 and 2 (100), wherein,
Described 1st (111) of described heavy section (110) are formed with receptacle (160), and this receptacle (160) caves in make the described weld part (222a, 230a) of described 1st conductive component (222,230) enter on described thickness direction.
4. a welding method, use the stick-shaped solder (100) described in any one in claim 1 to 3, in weld part (222a, 230a) mode formed a line spaced apart that described multiple 1st conductive component (222,230) is respective, the plurality of 1st conductive component (222,230) is welded in the lump on described multiple 2nd conductive components (320) be arranged on insulating element (310), wherein
Described multiple 1st conductive component (222,230), described multiple 2nd conductive component (320) and described stick-shaped solder (100) are configured to, each described 1st conductive component (222,230) is contacted respectively and each described 2nd conductive component (320) contacts with described 2nd (112) respectively with described 1st (111) of each described heavy section (110) of described stick-shaped solder (100)
Respectively each described 1st conductive component (222,230) is heated, the each described heavy section (110) of described stick-shaped solder (100) and each described thinner wall section (120) are melted respectively, thus each described 1st conductive component (222,230) is welded on each described 2nd conductive component (320).
5. welding method according to claim 4, wherein,
Each described 1st conductive component (222,230) is the conductor exposed from the terminal of electric wire (220,200),
Described insulating element (310) is the shell of the electric connector (300) with multiple pole, each described 2nd conductive component (320) be form respectively described electric connector (300) each described in the contact of pole, be provided with on the housing respectively from the interpolar wall (311f) erected to described thickness direction between the weld part (321) of adjacent described contact
Each described thinner wall section (120) between adjacent described heavy section (110) is relative with each described interpolar wall (311f) respectively.
CN201110039737.0A 2010-02-17 2011-02-17 Rod-shaped solder and welding method using the same Expired - Fee Related CN102163786B (en)

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JPH0515332U (en) * 1991-08-05 1993-02-26 矢崎総業株式会社 Solder connector
TW434953B (en) * 1999-06-23 2001-05-16 Hirose Electric Co Ltd Electric connector and the method for welding cables with the electric connector
JP2005317249A (en) * 2004-04-27 2005-11-10 Fujikura Ltd Method and device for connecting very fine coaxial cable connector, and heater tool
JP2007305452A (en) * 2006-05-12 2007-11-22 I-Pex Co Ltd Electric connector for coaxial cables
CN101162823A (en) * 2006-10-13 2008-04-16 Smk株式会社 End connecting method for extremely fine coaxial cables

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JPH0515332U (en) * 1991-08-05 1993-02-26 矢崎総業株式会社 Solder connector
TW434953B (en) * 1999-06-23 2001-05-16 Hirose Electric Co Ltd Electric connector and the method for welding cables with the electric connector
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JP2007305452A (en) * 2006-05-12 2007-11-22 I-Pex Co Ltd Electric connector for coaxial cables
CN101162823A (en) * 2006-10-13 2008-04-16 Smk株式会社 End connecting method for extremely fine coaxial cables

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