CN108879131A - Electric wire with terminal - Google Patents
Electric wire with terminal Download PDFInfo
- Publication number
- CN108879131A CN108879131A CN201810084895.XA CN201810084895A CN108879131A CN 108879131 A CN108879131 A CN 108879131A CN 201810084895 A CN201810084895 A CN 201810084895A CN 108879131 A CN108879131 A CN 108879131A
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- CN
- China
- Prior art keywords
- terminal
- mentioned
- electric wire
- conductor portion
- contact portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/62—Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors
- H01R4/625—Soldered or welded connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
Abstract
Present invention offer can not only ensure the conductor portion of electric wire and the electric conductivity of terminal, but also be reliably prevented the electric wire with terminal of different types of metal contact corrosion.The electric wire with terminal, which has, coats the electric wire (10) made of the conductor portion (12) constituted using the first metal as the material of principal component with insulating part (11), with by being constituted using second metal different from the first metal as the material of principal component, and it is connected to the terminal (20) in the conductor portion (12) of the one end exposing of electric wire (10), it is formed with across conductor portion (12) and terminal (20) including the first metal and bimetallic alloy-layer (15) in the entire outer peripheral edge of conductor portion (12) and the contact portion (16) of terminal (20).
Description
Technical field
The present invention relates to the electric wires with terminal for being equipped with terminal in the end of electric wire.
Background technique
Currently, for being equipped with the electric wire with terminal of terminal in the end of electric wire, exist the core wire for constituting electric wire and
Terminal uses the case where different types of metal.In the case where core wire and terminal have used dissimilar metals, if in core wire
With termination contact position adhesive water, then corrosion is easy to happen.
For example, in the case where the terminal compression joint of copper or copper alloy is installed on aluminium electric wire, if in its contact site
Adhesive water is then easy to generate corrosion in the high aluminium electric wire of ionization tendency.
Therefore, for example by terminal compression joint made of copper under aluminium electric wire etc. connects the different types of mutual situation of metal,
Different types of metal contact corrosion occurs in its connecting portion in order to prevent, implements various waterproof shield processing in contact site
(for example, referring to patent document 1).
Patent document 1, which is disclosed, is crimped with the electric wire with terminal of terminal, the core wire of covered electric cable and end in covered electric cable
Son is made of different types of metal.It is coated with corrosion inhibitor in the interconnecting piece of the core wire and terminal, prevents from occurring in interconnecting piece different
The metal contact corrosion of type.
Existing technical literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2016-225112 bulletin
Summary of the invention
Problems to be solved by the invention
But the electric wire described in Patent Document 1 with terminal is heaved, institute due to being coated with corrosion inhibitor in the outside of interconnecting piece
There is becoming large-sized for interconnecting piece.In addition, in the waterproof shield of corrosion inhibitor, due to waterproof performance through when it is bad
Change, stress relief, there is also waterproof shield rupture the problem of the interconnecting piece of water immersion core wire and terminal.Moreover, not only needing
The crimping installation exercise of terminal, it is also necessary to the process for being coated corrosion inhibitor, in addition, being expended in coating corrosion inhibitor and before solidifying
Time, there is also the problems that the activity duration is elongated.
The present invention is made into solve above-mentioned such project, and it is an object of the present invention to provide can both ensure the conductor portion of electric wire
With the electric conductivity of terminal, and it is reliably prevented the electric wire with terminal of different types of metal contact corrosion.
Solution for solving the problem
To achieve the goals above, the electric wire of the invention with terminal is characterized in that having：With insulating part cladding by with
First metal is electric wire made of the conductor portion that the material of principal component is constituted；And by with different from above-mentioned first metal second
Metal is that the material of principal component is constituted, and is connected to the terminal in the above-mentioned conductor portion of the one end exposing of said wires, upper
It states conductor portion and the entire outer peripheral edge of the contact portion of above-mentioned terminal is formed with across above-mentioned conductor portion and above-mentioned terminal including above-mentioned
First metal and above-mentioned bimetallic alloy-layer.
As described above, the electric wire of the invention with terminal is in the entire outer peripheral edge of the contact portion of conductor portion and terminal across leading
Body portion and terminal are formed with including the first metal and bimetallic alloy-layer, therefore there is no the first metal and the second metal are straight
Contact and the part for being exposed to outside.Therefore, it will not can pass through conjunction in the contact portion adhesive water of different types of metal
Layer gold had not only ensured the conductor portion of electric wire and the electric conductivity of terminal, but also was reliably prevented different types of metal contact corrosion.
In addition, the present invention to the electric wire with terminal be not as always conductor portion and terminal interconnecting piece be coated with it is anti-
The structure of agent is lost, therefore the size of interconnecting piece is not more than limitation and becomes larger.
Moreover, the electric wire of the invention with terminal is by welding etc. in the entire periphery of the contact portion of conductor portion and terminal
Edge is formed with the structure of alloy-layer, there is no need to carry out the painting process of crimping process, corrosion inhibitor as always, can reduce
Process number can be manufactured with low cost.Moreover, the entire periphery of the contact portion for being formed in conductor portion and terminal of the invention
The alloy-layer of edge, which is not easy to generate waterproof shield as previous corrosion inhibitor, lasts deterioration, stress relief etc..
In addition, the electric wire of the invention with terminal is also configured to, above-mentioned conductor portion includes multiple core wires, in above-mentioned electricity
The one end side of line, which has, melts joint portion made of the end melting engagement of above-mentioned multiple core wires, above-mentioned melting joint portion connection
In above-mentioned terminal.
According to this structure, the electric wire of the invention with terminal due to melting the multiple core wires in joint portion be integrally formed,
Core wire will not scatter and short-circuit with other electric wires etc..In addition, melting joint portion can by heat, pressurize multiple core wires and shape
At at this point, desired shape (plate, cylindric etc.) can be readily formed into a manner of being suitble to the terminal of object side.
In addition, the electric wire of the invention with terminal is also configured to, above-mentioned conductor portion is single-core line, above-mentioned single-core line tool
There is the connection end for being connected to above-mentioned terminal.
According to this structure, the electric wire of the invention with terminal, can be in single-core line in the case where conductor portion is single-core line
Connection end and the contact portion of terminal be reliably prevented different types of metal contact corrosion.
In addition, the electric wire of the invention with terminal also may be constructed, the end face tool of the above-mentioned contact portion side of above-mentioned conductor portion
There is the end face same shape with the above-mentioned contact portion side of above-mentioned terminal.
According to this structure, the electric wire of the invention with terminal without scale connects conductor portion and terminal, thus for example to
Small size, thin space connector insertion the electric wire with terminal terminal structure in the case where can also apply.
In addition, the electric wire of the invention with terminal is also configured to, the end face of the above-mentioned contact portion side of above-mentioned conductor portion
With the size different from the end face of above-mentioned contact portion side of above-mentioned terminal.
According to this structure, the electric wire of the invention with terminal for example can connect phase to the various diameters of the conductor portion of electric wire
Same terminal.In the case where crimp type terminal is fastened on electric wire, suitable wire size is but of the invention there are boundary
Structure be not present such boundary.
In addition, the electric wire of the invention with terminal is also configured to, at the end of the above-mentioned contact portion side of above-mentioned conductor portion
Face is formed by the end of protrusion or above-mentioned conductor portion and is formed by recess portion in the end face of the above-mentioned contact portion side of above-mentioned terminal
It is chimeric, or led in the end that the end face of the above-mentioned contact portion side of above-mentioned terminal is formed by protrusion or above-mentioned terminal with above-mentioned
It is chimeric that the end face of the above-mentioned contact portion side in body portion is formed by recess portion.
According to this structure, the electric wire of the invention with terminal is using being welded to connect conductor portion and when terminal, terminals side or
The recess portion of conductor portion side is oriented to the protrusion etc. for the object side for being set to connection, so as to easily and securely align.Separately
Outside, the protrusion of the contact portion of conductor portion and terminal and the Qian He of recess portion are carried out, in this way so as to improve the conductor of electric wire
The bonding strength in portion and terminal.
In addition, the electric wire of the invention with terminal can also be with above-mentioned alloy-layer is formed in above-mentioned conductor portion and above-mentioned terminal
Above-mentioned contact portion whole region.
According to this structure, the alloy-layer of the electric wire of the invention with terminal is not only formed in the entire periphery of contact portion
Edge, and be formed at the whole region of contact portion, therefore it is reliably prevented from different types of metal in the corrosion of contact portion,
And improve the conductor portion of electric wire and the bonding strength of terminal.
In addition, the electric wire of the invention with terminal can also be with above-mentioned first metal is aluminum or aluminum alloy, above-mentioned second metal
It is copper or copper alloy.
According to this structure, the electric wire of the invention with terminal uses the aluminum steel of light weight by the conductor portion to electric wire, right
The terminal copper high using conductivity, so as to ensure the electric conductivity of conductor portion and terminal, and realizes the lightweight of electric wire.
The effect of invention
In accordance with the invention it is possible to which the conductor portion of electric wire and the electric conductivity of terminal can not only be ensured by providing, but also it is reliably prevented
The electric wire with terminal of different metal contact corrosion.
Detailed description of the invention
(a) is the perspective view of the electric wire with terminal of first embodiment of the invention in Fig. 1, is (b) the A-A office of (a)
Portion's cross-sectional view.
Fig. 2 is the explanatory diagram for indicating the manufacturing method of the electric wire with terminal of first embodiment.
Fig. 3 is the partial sectional view of the electric wire with terminal of second embodiment of the present invention.
(a) is the perspective view of the electric wire with terminal of third embodiment of the present invention in Fig. 4, is (b) the B-B office of (a)
Portion's cross-sectional view.
Fig. 5 is the partial sectional view of the electric wire with terminal of the 4th embodiment of the invention.
Fig. 6 is the partial sectional view of the electric wire with terminal of the 5th embodiment of the invention.
Fig. 7 is the partial sectional view of the electric wire with terminal of sixth embodiment of the invention.
Fig. 8 is the partial sectional view of the electric wire with terminal of the 7th embodiment of the invention.
Fig. 9 is the explanatory diagram for indicating the manufacturing method of the electric wire with terminal of the 8th embodiment of the invention.
In figure：
1-the electric wire with terminal, 10-electric wires, 11-insulating parts, 12-conductor portions, 13-core wires, 14-melting engagements
Portion, 15-alloy-layers, 16-contact portions, 19-protrusions, 20-terminals, 21D, 21E-recess portion, 22F-adjunct, 30-formings
Machine, 31,32-metal dies, 40-laser-beam welding machines.
Specific embodiment
Hereinafter, being illustrated referring to attached drawing to the electric wire with terminal of embodiments of the present invention.
(first embodiment)
As shown in Fig. 1 (a), the electric wire 1 with terminal of first embodiment of the invention is equipped with terminal 20 in electric wire 10,
It is electrically connected via terminal 20 and electronic equipment, electronic component, other electric wires etc..
As shown in Fig. 1 (a), electric wire 10 is with the cladding of insulating part 11 by being constituted with the material that aluminium (the first metal) is principal component
Conductor portion 12.Terminal 20 by with the copper (second metal) different from aluminium (the first metal) be principal component material constituted, and
The one end of electric wire 10 is connected to the conductor portion 12 for carrying out peeling specific length to insulating part 11 and exposing.Conductor portion 12 is with for example
The form of twisted wire includes multiple core wires 13, and melting joint portion 14 described later on is formed in its front end.
Specifically, conductor portion 12 is aluminum or aluminium alloy system, terminal 20 is copper or copper alloy system.Conductor portion 12 by
When aluminium alloy is constituted, other than the aluminium as principal component, such as iron, magnesium etc. can also be added alone or in combination.In addition,
When terminal 20 is made of copper alloy, other than the copper as principal component, such as can also add alone or in combination nickel, silicon,
Zinc, tin etc..In addition, terminal 20 can also be electroplated in some or all of its surface such as using implementation gold, silver.
In the present embodiment, conductor portion 12 by with aluminium (the first metal) be principal component material constituted, terminal 20 by with
Copper (the second metal) is that the material of principal component is constituted, and still, the combination of different types of metal is without being limited thereto.As long as in short,
One metal and the second metal are different metal, for example, it is also possible to which the first metal is set as copper, and the second metal are set as
Aluminium.
As shown in Fig. 1 (a), terminal 20 is the solid contact of rectangular-shape (plate), but the shape of terminal 20 is unlimited
In this, hollow structure can also be using the arbitrary shape for being suitable for connecting object.In addition, terminal 20 can also have
There are leaf spring, protrusion etc. to use as anti-avulsion whens being inserted into connector etc..In addition, for pacifying to the connection terminal of other equipment
Dress, terminal 20 also could be formed with through hole, can also be formed as Y type shape with front end.
As shown in Fig. 1 (a), the conductor portion 12 of electric wire 10 has the end of multiple core wires 13 molten in the one end side of electric wire 10
The melting joint portion 14 of approximately cuboid shape (plate) made of welding is closed.Conductor portion 12 melting joint portion 14 and terminal
The end face of 20 16 side of contact portion has the end face same shape with 16 side of contact portion of terminal 20.
Fig. 1 (b) is the A-A partial sectional view of Fig. 1 (a).As shown in Fig. 1 (b), at the melting joint portion 14 of conductor portion 12
It is formed with across conductor portion 12 and terminal 20 including aluminium (the first metal) and copper with the entire outer peripheral edge of the contact portion 16 of terminal 20
The alloy-layer 15 of (the second metal).By the alloy-layer 15, it is firmly attached conductor portion 12 and terminal 20.Alloy-layer 15 is formed in
External surface section is at least exposed in the whole region of the contact portion 16 of conductor portion 12 and terminal 20.
Next, being illustrated to the manufacturing method of the electric wire 1 with terminal.
Firstly, carrying out the peeling of specific length to the insulating part 11 of the end of electric wire 10 as shown in Fig. 2 (a), making to be twisted
Multiple core wires 13 expose (peeling operation).
Then, as shown in Fig. 2 (b), the end of the core wire 13 exposed by peeling operation is put by a pair of of metal mold
The forming machine 30 that tool 31,31 is constituted, pressurizes to core wire 13 while heating, is configured to desired shape.Pass through
The forming process, as shown in Fig. 2 (c), the end of each core wire 13 is melted, and is integrally bonded, and forms melting joint portion 14.
Then, as shown in Fig. 2 (d), the melting joint portion 14 and end of the integration of core wire 13 will be made by forming process
Son 20 docks, and is engaged for example, by laser-beam welding machine 40 in the entire periphery of contact portion 16.By the welding sequence, molten
The entire outer peripheral edge for melting the contact portion 16 of joint portion 14 and terminal 20 forms the alloy-layer 15 (referring to Fig.1 (b)) of aluminium and copper.
Next, illustration, effect.
The electric wire 1 with terminal of present embodiment the entire outer peripheral edge of conductor portion 12 and the contact portion 16 of terminal 20 across
Conductor portion 12 and terminal 20 are formed with the alloy-layer 15 including aluminium and copper, thus directly contact there is no aluminium parts and copper part and
And it is exposed to external part.Therefore, it will not can pass through alloy-layer in 16 adhesive water of contact portion of different types of metal
15 ensure the conductor portion 12 of electric wire 10 and the electric conductivity of terminal 20, and are reliably prevented different types of metal contact corrosion.
In addition, the electric wire 1 with terminal of present embodiment is not applied in the interconnecting piece of conductor portion and terminal as always
The structure of cloth corrosion inhibitor, therefore the size of interconnecting piece will not be made to be more than limitation and become larger.
Moreover, the electric wire 1 with terminal of present embodiment is the contact portion by welding etc. in conductor portion 12 and terminal 20
16 entire outer peripheral edge is formed with the structure of alloy-layer 15, and there is no need to carry out the painting of crimping process, corrosion inhibitor as always
Cloth process etc. can reduce process number, can be manufactured with low cost.Moreover, present embodiment is formed in conductor portion 12
It is not easy generating waterproof shield as existing corrosion inhibitor with the alloy-layer 15 of the entire outer peripheral edge of the contact portion 16 of terminal 20
Deterioration, stress relief etc..
In addition, in the electric wire 1 with terminal of present embodiment, the structure of conductor portion 12 is, including multiple core wires 13 and
The one end side of electric wire 10 has melting joint portion 14 made of the end melting engagement of multiple core wires 13.With this configuration, more
A core wire 13 is integrally formed at melting joint portion 14, therefore core wire 13 will not scatter and short-circuit with other electric wires etc..In addition, melting
Joint portion 14 can be formed and multiple core wires 13 are heated, pressurizeed, and can be suitable for the terminal of object side at this time
Mode is readily formed into desired shape (plate, cylindric etc.).
In addition, in the electric wire 1 with terminal of present embodiment, 16 side of contact portion at the melting joint portion 14 of conductor portion 12
End face is the end face same shape with 16 side of contact portion of terminal 20.With this configuration, the band terminal of present embodiment
Electric wire 1 without scale connect melting joint portion 14 and the terminal 20 of conductor portion 12, therefore for example to small size, thin space
In the case that connector is inserted into the structure of the terminal 20 of the electric wire 1 with terminal, also can suitably it use.
In addition, core wire 13 is aluminum or aluminium alloy system in the electric wire 1 with terminal of present embodiment, terminal 20 is copper
Or copper alloy system.With this configuration, the electric wire 1 with terminal of present embodiment uses quality by the conductor portion 12 to electric wire 10
Light aluminum steel, the copper high using conductivity to terminal 20, so as to ensure the electric conductivity of conductor portion 12 Yu terminal 20, and
Realize the lightweight of electric wire 10.
(second embodiment)
Next, being illustrated referring to attached drawing to the electric wire 1A with terminal of second embodiment of the present invention.
Fig. 3 is the figure of same part section with Fig. 1 (b) for indicating the electric wire 1A with terminal.As shown in figure 3, with terminal
Electric wire 1A conductor portion 12 and the contact portion 16 of terminal 20 whole region across conductor portion 12 and terminal 20 be formed with including
The alloy-layer 15A of aluminium and copper.At that point, second embodiment and the contact portion 16 in conductor portion 12 and terminal 20 is entire outer
The first embodiment that periphery is formed with alloy-layer 15 is different, and other structures are identical.
According to the above structure of second embodiment, the electric wire 1A with terminal connects since alloy-layer 15A is not only formed in
The entire outer peripheral edge of contact portion 16, and it is formed at the whole region of contact portion 16, therefore be reliably prevented from different types of
Metal and improves the conductor portion 12 of electric wire 10 and the bonding strength of terminal 20 in the corrosion of contact portion 16.
(third embodiment)
Next, being illustrated referring to attached drawing to the electric wire 1B with terminal of third embodiment of the present invention.
As shown in Fig. 4 (a), in the electric wire 1B with terminal of third embodiment, conductor portion 12B is single-core line 13B, the list
The connection end 14B of core wire 13B is connected to terminal 20.At that point, third embodiment and multiple core wires 13 are formed in connection in
End melting joint portion 14 and terminal 20 first embodiment it is different, other structures are identical.
The connection end 14B of single-core line 13B is configured to rectangular using process identical with forming process shown in Fig. 2 (b)
Body shape (plate), the end face for connecting 16 side of contact portion of end 14B become identical with the end face of 16 side of contact portion of terminal 20
Shape (with the rectangle of size).In addition, being formed with the connection end 14B of single-core line 13B in present embodiment, but it is not necessarily to one
Surely it is formed, the unfashioned single-core line 13B in end can also be directly connected to terminal 20.
According to the above-mentioned structure of third embodiment, the electric wire 1B with terminal can be single-core line 13B in conductor portion 12B
In the case where, it is reliably prevented different types of metal in the connection end 14B of single-core line 13B and the contact portion 16 of terminal 20 and connects
Touching corrosion.
(the 4th embodiment)
Next, being illustrated referring to attached drawing to the electric wire 1C with terminal of the 4th embodiment of the invention.
As shown in figure 5, in the electric wire 1C with terminal of present embodiment, the contact of the melting joint portion 14C of conductor portion 12C
The end face 14Ca of 16 side of portion is the size different from the end face 20c of 16 side of contact portion of terminal 20.Specifically, melting joint portion
The end face 14Ca of the side 14C is bigger than the end face 20c of 20 side of terminal.Moreover, in the contact portion 16 of melting joint portion 14C and terminal 20
Entire outer peripheral edge (corner part) is formed with the conjunction including aluminium and copper for example, by laser welding across conductor portion 12C and terminal 20
Layer gold 15C.
According to this structure, the electric wire 1C with terminal of present embodiment is capable of the various straight of conductor portion 12C to electric wire 10C
Diameter connects identical terminal 20.In the case where fastening installation crimp type terminal to electric wire, there are boundaries for suitable wire size, but
It is that such boundary is not present under the structure of present embodiment.
In the present embodiment, size the connecing than terminal 20 of the end face 14Ca of 16 side of contact portion of joint portion 14C is melted
The size of the end face 20c of 16 side of contact portion is big, but the size relation of size is without being limited thereto, can also will melt joint portion 14C's
Being sized for for the end face 14Ca of 16 side of contact portion is smaller than the size of the 16 side end face 20c of contact portion of terminal 20.
In addition, in the partial sectional view of Fig. 5, the upper surface 20a of terminal 20 becomes to be engaged than melting in present embodiment
Low step-like of the upper surface 14Ca of portion 14C, but the configuration of terminal 20 can also be moved and be made upwards the upper table of terminal 20
Face 20a is formed as more step-like than the upper surface 14Ca high of melting joint portion 14C.Similarly, in the partial sectional view of Fig. 5,
The lower surface 20b of terminal 20 becomes more step-like than the lower surface 14Cb high of melting joint portion 14C, but can also be by terminal 20
Configuration move downwards and the lower surface 20b of terminal 20 made to be formed as the low step of lower surface 14Cb than melting joint portion 14C
Shape.
(the 5th embodiment)
Next, being illustrated referring to attached drawing to the electric wire 1D with terminal of the 5th embodiment of the invention.
As shown in fig. 6, in the electric wire 1D with terminal of present embodiment, the end at the melting joint portion 14 of conductor portion 12
14a is chimeric with the recess portion 21D of end face 20Da of contact portion side of terminal 20D is formed in.For example, by laser welding, connect in melting
The entire outer peripheral edge (corner part) of the contact portion of conjunction portion 14 and terminal 20D is formed with across conductor portion 12 and terminal 20D including aluminium
With the alloy-layer 15D of copper.
According to this structure, the electric wire 1D with terminal of present embodiment connects in the melting by the connection conductor portion 12 such as welding
Conjunction portion 14 and when terminal 20D, the recess portion 21D of the side terminal 20D is oriented to the end 14a at melting joint portion 14, so as to
Easily and securely align.In addition, carrying out the Qian He of conductor portion 12 and the contact portion of terminal 20D, in this way so as to mention
The conductor portion 12 of high electric wire 10 and the bonding strength of terminal 20D.
Present embodiment is the structure that the end 14a at melting joint portion 14 is embedded in the recess portion 21D of terminal 20D, but not
It is defined in the inserted structure, is also possible to the end of the terminal 20D structure chimeric with the melting recess portion at joint portion 14 is formed in.
(sixth embodiment)
Next, being illustrated referring to attached drawing to the electric wire 1E with terminal of sixth embodiment of the invention.
As shown in fig. 7, being formed in the end of the contact portion side of conductor portion 12E in the electric wire 1E with terminal of present embodiment
The protrusion 19 and end face 20Ea's for the contact portion side for being formed in terminal 20E in face (that is, end face 14Ea of melting joint portion 14E) is recessed
Portion 21E is chimeric.For example, by laser welding, in the entire outer peripheral edge of melting joint portion 14E and the contact portion of terminal 20E across leading
Body portion 12E and terminal 20E is formed with the alloy-layer 15E including aluminium and copper.
According to this structure, the electric wire 1E with terminal of present embodiment rises in the electric wire 1E with terminal of the 5th embodiment
On the basis of the said effect arrived, due to can without scale connect conductor portion 12E and terminal 20E, for example to small ruler
It also can suitably be used in the case where the structure of the terminal 20E of electric wire 1E of the connector insertion with terminal of very little, narrow fixture.
The protrusion 19 that present embodiment is configured to melt joint portion 14E is embedded in the recess portion 21E of terminal 20E, but is not limited to
The inserted structure, is also configured to, and the protrusion for being formed in terminal 20E is chimeric with the melting recess portion of joint portion 14E is formed in
Structure.
(the 7th embodiment)
Next, being illustrated referring to electric wire 1F with terminal of the attached drawing to the 7th embodiment of the invention.
As shown in figure 8, the electric wire 1F with terminal of present embodiment is the upper table at the melting joint portion 14 of conductor portion 12
Face 14b a part is connected with the construction of the lower surface 20Fb of terminal 20F with being overlapped.For example, by welding etc., at melting joint portion
The entire outer peripheral edge of the contact portion 16F of 14 and terminal 20F is formed with the alloy including aluminium and copper across conductor portion 12 and terminal 20F
Layer 15F.The adjuncts 22F such as leaf spring are equipped in terminal 20F, but may be the structure without adjunct 22F.
Structure according to the present embodiment meets terminal 20F and melting in the case where terminal 20F is thin plate
When cannot get required bonding strength in 14 butt welding of conjunction portion, it is capable of increasing terminal 20F and melts the contact surface at joint portion 14
Product improves bonding strength.
(the 8th embodiment)
Next, being illustrated referring to attached drawing to the electric wire 1G with terminal of the 8th embodiment of the invention.
Fig. 9 is the explanatory diagram for indicating the manufacturing method of the electric wire 1G with terminal of present embodiment.With shown in Fig. 2 first
The manufacturing method of the electric wire 1 with terminal of embodiment the difference lies in that in the forming process of Fig. 9 (b), by core wire 13G
It is end formed to be cylindric.
The electric wire 1G with terminal of present embodiment is for example, by electric wire 10G shown in Fig. 9 (c) such as laser-beam welding machines 40
Columned melting joint portion 14G such as Fig. 9 (d) shown in be bonded to columned terminal 20G.In the present embodiment,
In the entire outer peripheral edge of the contact portion 16G of melting joint portion 14G and terminal 20G across conductor portion in the same manner as first embodiment
The melting joint portion 14G and terminal 20G of 12G is formed with the alloy-layer 15G including aluminium and copper.
It in the above-described embodiment, mainly include the form of multiple core wires to conductor portion other than third embodiment
The electric wire with terminal be illustrated, still, for conductor portion be single-core line the case where, can also be made into same knot certainly
Structure.
As mentioned above, the present invention, which has, can not only ensure the conductor portion of electric wire and the electric conductivity of terminal, but also reliable
Ground prevents the effect of different types of metal contact corrosion, can be used in all electric wires with terminal.
Claims (8)
1. a kind of electric wire with terminal, which is characterized in that have：
The electric wire made of the conductor portion constituted using the first metal as the material of principal component is coated with insulating part；And
By being constituted using second metal different from above-mentioned first metal as the material of principal component, and it is connected to the one of said wires
The terminal for the above-mentioned conductor portion that end is exposed,
It is formed in above-mentioned conductor portion and the entire outer peripheral edge of the contact portion of above-mentioned terminal across above-mentioned conductor portion and above-mentioned terminal
Including above-mentioned first metal and above-mentioned bimetallic alloy-layer.
2. the electric wire according to claim 1 with terminal, which is characterized in that
Above-mentioned conductor portion includes multiple core wires, in the one end side of said wires there is the end of above-mentioned multiple core wires to melt engagement
Made of melt joint portion, above-mentioned melting joint portion is connected to above-mentioned terminal.
3. the electric wire according to claim 1 with terminal, which is characterized in that
Above-mentioned conductor portion is single-core line, and above-mentioned single-core line has the connection end for being connected to above-mentioned terminal.
4. the electric wire described in any one of claim 1 to 3 with terminal, which is characterized in that
The end face of the above-mentioned contact portion side of above-mentioned conductor portion has roughly the same with the end face of above-mentioned contact portion side of above-mentioned terminal
Shape.
5. the electric wire described in any one of claim 1 to 3 with terminal, which is characterized in that
The end face of the above-mentioned contact portion side of above-mentioned conductor portion has different from the end face of above-mentioned contact portion side of above-mentioned terminal big
It is small.
6. the electric wire according to any one of claims 1 to 5 with terminal, which is characterized in that
It is formed by the end of protrusion or above-mentioned conductor portion in the end face of the above-mentioned contact portion side of above-mentioned conductor portion, and at above-mentioned end
The end face of the above-mentioned contact portion side of son is formed by recess portion and is fitted into, or the end face institute shape in the above-mentioned contact portion side of above-mentioned terminal
At protrusion or above-mentioned terminal end, it is chimeric with recess portion is formed by the end face of the above-mentioned contact portion side of above-mentioned conductor portion.
7. with the electric wire of terminal described according to claim 1~any one of 6, which is characterized in that
Above-mentioned alloy-layer is formed in the whole region of the above-mentioned contact portion of above-mentioned conductor portion and above-mentioned terminal.
8. the electric wire according to any one of claims 1 to 7 with terminal, which is characterized in that
Above-mentioned first metal is aluminum or aluminum alloy, and above-mentioned second metal is copper or copper alloy.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017092814A JP2018190617A (en) | 2017-05-09 | 2017-05-09 | Electric wire with terminal |
| JP2017-092814 | 2017-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108879131A true CN108879131A (en) | 2018-11-23 |
Family
ID=64325971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810084895.XA Pending CN108879131A (en) | 2017-05-09 | 2018-01-29 | Electric wire with terminal |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2018190617A (en) |
| CN (1) | CN108879131A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113226618A (en) * | 2019-02-19 | 2021-08-06 | 株式会社阿斯特 | Bus bar assembly and method for manufacturing bus bar assembly |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7140797B2 (en) * | 2020-05-27 | 2022-09-21 | 矢崎総業株式会社 | Terminal connection structure |
-
2017
- 2017-05-09 JP JP2017092814A patent/JP2018190617A/en active Pending
-
2018
- 2018-01-29 CN CN201810084895.XA patent/CN108879131A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113226618A (en) * | 2019-02-19 | 2021-08-06 | 株式会社阿斯特 | Bus bar assembly and method for manufacturing bus bar assembly |
| US11870193B2 (en) | 2019-02-19 | 2024-01-09 | Aster Co., Ltd. | Busbar unit and method of manufacturing busbar unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018190617A (en) | 2018-11-29 |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181123 |
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| WD01 | Invention patent application deemed withdrawn after publication |