CN103891048A - Terminal crimped wire - Google Patents
Terminal crimped wire Download PDFInfo
- Publication number
- CN103891048A CN103891048A CN201280038893.8A CN201280038893A CN103891048A CN 103891048 A CN103891048 A CN 103891048A CN 201280038893 A CN201280038893 A CN 201280038893A CN 103891048 A CN103891048 A CN 103891048A
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- CN
- China
- Prior art keywords
- heart yearn
- yearn portion
- clamping section
- terminal
- clamping
- 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
-
- 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
- H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
- H01R4/183—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
- H01R4/184—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
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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
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/28—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
A terminal crimped wire (1) includes a core part (3) formed by one conductor and a coat part (5) coating an outer periphery of the core part, in which a swage part (9) of a terminal (7) is swaged to the core part exposed from the coat part for conduction of electricity. An outer peripheral shape of the core part before being swaged by the swage part of the terminal, is made approximately identical to an inner peripheral shape of the swage part after the core part is swaged by the swage part.
Description
Technical field
The present invention relates to a kind of terminal crimping electric wire.
Background technology
Traditionally, known a kind of terminal crimping electric wire, this terminal crimping electric wire comprises: heart yearn portion, this heart yearn portion is formed by multiple conductors; And sheath section, this sheath section covers the periphery of heart yearn portion, in this terminal crimping electric wire, in order to conduct electricity, the line collet chuck as the clamping section of terminal is tightened to the heart yearn portion (for example,, referring to patent documentation 1) of exposing from sheath section.
In this terminal crimping electric wire, a pair of fixture is clipped in the heart yearn portion being formed by multiple conductors therebetween, so that ultrasonic vibration to be provided, thereby forms the rough region with matsurface.Then, line collet chuck is tightened to this rough region, to remove the coverlay such as oxide-film, and the surface generation of the new formation of heart yearn portion is contacted with each other, thereby reduce the resistance between electric wire and terminal.
Reference listing
Patent documentation
Patent documentation 1: Japanese Patent Application Publication No.2011-82127
Summary of the invention
Technical problem
In aforesaid terminal crimping electric wire, heart yearn portion is formed by multiple conductors, and the clamping section of terminal is clamped to this heart yearn portion.As mentioned above, in the time that heart yearn portion is formed by multiple conductors, between single conductor, have gap, and therefore, in the time that clamping section clamps heart yearn portion, the contact that is applied to clamping section reduces.
But if core is formed by a conductor,, in the time that clamping section clamps heart yearn portion, the load that is applied to clamping section is not inclined to dispersion.Therefore, the clamping section of terminal has the part of bearing higher contact and the part of bearing lower contact.Therefore,, due to the variation in high temperature or low temperature environment, because there is creep at the part place of particularly bearing higher contact, thereby reduce contact, so be difficult to guarantee the enough contacts to clamping section.
Therefore, make in view of the above problems the present invention, and the invention is intended to provide a kind of terminal crimping electric wire that is suppressed at place of the heart yearn portion generation creep being formed by a conductor.
The scheme of dealing with problems
According to an aspect of the present invention, provide a kind of terminal crimping electric wire, having comprised: heart yearn portion, this heart yearn portion is formed by a conductor; And sheath section, this sheath section covers the periphery of heart yearn portion, wherein, the clamping section of terminal is clamped to the described heart yearn portion of exposing from described sheath section, with conduction, and the peripheral shape that makes to utilize the described clamping section of the described terminal described heart yearn portion before clamping is roughly with to utilize clamping section to clamp interior all shapes of the described clamping section after described heart yearn portion identical.
In this terminal crimping electric wire, the peripheral shape that makes the heart yearn portion before the clamping section that utilizes terminal clamps is roughly with to utilize clamping section to clamp interior all shapes of the clamping section after heart yearn portion identical, thereby make, in the time that clamping section is clamped to heart yearn portion, to make the contact equilibrium on clamping section.Make it possible to like this be suppressed at place of heart yearn portion creep occurs, and can reduce the part of bearing less contact.
Therefore, aforementioned terminal crimping electric wire can be suppressed at the place of heart yearn portion being formed by a conductor creep occurs, and suppresses contact resistance rising.
According to an aspect of the present invention, the outer circumference diameter of the described heart yearn portion before the described clamping section that utilizes described terminal is clamped is set for and is greater than the interior all diameters that utilize described clamping section to clamp the described clamping section after described heart yearn portion.
In terminal crimping electric wire, the outer circumference diameter of the heart yearn portion before the clamping section that utilizes terminal is clamped is set for and is greater than the interior all diameters that utilize clamping section to clamp heart yearn portion clamping section afterwards, realizes and reliably contacting like this between heart yearn portion and whole clamping section.Therefore, can be suppressed at place of heart yearn portion creep occurs, and can suppress the contact resistance rising at clamping section place.
According to aspects of the present invention, described clamping section has a pair of clamping part, and this pair of clamping part clamps described heart yearn portion, and the end of this pair of clamping part contacts with each other, and described heart yearn portion is provided with recess, and the end of this pair of clamping part will be placed in this recess.
In terminal crimping electric wire, heart yearn portion is provided with recess, this will be placed in this recess the end of clamping part, and therefore, can reduce this end of clamping part is raise the contact being placed in the part of bearing the highest contact of clamping section wherein, thereby make the contact equilibrium on clamping section.
Beneficial effect of the present invention
According to the present invention, can realize the beneficial effect that a kind of terminal crimping electric wire that is suppressed at place of the heart yearn portion generation creep being formed by a conductor is provided.
Accompanying drawing explanation
Fig. 1 is the sectional view that clamps according to an embodiment of the invention terminal terminal crimping electric wire before.
Fig. 2 is the sectional view that has clamped according to an embodiment of the invention the terminal crimping electric wire of terminal.
Fig. 3 A is the perspective view that clamps according to an embodiment of the invention terminal terminal crimping electric wire before.
Fig. 3 B is the perspective view that has clamped according to an embodiment of the invention the terminal crimping electric wire of terminal.
Fig. 4 is the perspective view at the terminal crimping electric wire of first being processed according to an embodiment of the invention.
Fig. 5 is the perspective view at the terminal crimping electric wire of processing according to embodiments of the invention.
Fig. 6 A is the end view of other example of the recess in terminal crimping electric wire according to an embodiment of the invention.
Fig. 6 B is the end view of other example of the recess in terminal crimping electric wire according to an embodiment of the invention.
List of reference signs
1 terminal crimping electric wire
3 heart yearn portions
5 sheath section
7 terminals
9 clamping sections
11,13 a pair of clamping parts
15,15a, 15b recess
Embodiment
With reference to Fig. 1 to 6B, terminal crimping electric wire is according to an embodiment of the invention described.
Comprise according to the terminal crimping electric wire 1 of this embodiment: heart yearn portion 3, this heart yearn portion 3 is formed by a conductor; And sheath section 5, this sheath section 5 covers the periphery of heart yearn portion 3, and by the clamping section of terminal 79 being clamped to the heart yearn portion 3 of exposing from sheath section 5, makes terminal crimping electric wire conducting.
In addition, the peripheral shape that makes to utilize the clamping section 9 of the terminal 7 heart yearn portions 3 before clamping is roughly with to utilize clamping section 9 to clamp interior all shapes of the clamping section 9 after heart yearn portion 3 identical.
In addition, the outer circumference diameter of the heart yearn portion 3 before the clamping section 9 that utilizes terminal 7 is clamped is set for and is greater than the interior all diameters that utilize clamping section 9 to clamp the clamping section 9 after heart yearn portion 3.
And, clamping section 9 has a pair of clamping part 11 and 13, and this is clipped in heart yearn portion 3 therebetween clamping part 11 and 13, and this end to clamping part 11 and 13 contacts with each other, and heart yearn portion 3 is provided with recess 15, this end to clamping part 11 and 13 will be placed in this recess 15.
As shown in Fig. 3 A and 3B, comprise contact site 17 and clamping section 19 by the terminal 7 of terminal crimping electric wire 1 conducting.Contact site 17 is formed by the cloudy mould of rectangular drum like, is inserted in the cloudy mould of this rectangular drum like, to form and to be electrically connected between another terminal and terminal 17 as the bucket of the male (not shown) of another terminal at other end place.Clamping section 9 and contact site 17 are become one.
Clamping section 9 is formed by diapire 19 and a pair of clamping part 11 and 13.Diapire 19 is formed by parts that continue with contact site 17, and extends along longitudinal side of terminal 7.Diapire 19 is arranged in the lower face side of heart yearn portion 3 of terminal crimping electric wire 1, and is provided with a pair of clamping part 11 and 13 on both sides on Width.
This is formed by parts that continue with diapire 19 and contact site 17 on both sides on Width respectively clamping part 11 and 13.This is clamped to the end of terminal crimping electric wire 1 to clamping part 11 and 13, in the end of this terminal crimping electric wire 1, utilization has fixture (not shown) of upper and lower etc. and removes sheath section 5, and exposes heart yearn portion 3, thereby sets up and be electrically connected between terminal 7 and terminal crimping electric wire 1.
As shown in Fig. 1 to 6B, terminal crimping electric wire 1 comprises heart yearn portion 3 and sheath section 5.Heart yearn portion 3 is formed by a conductor of making such as the electric conducting material of aluminium or aluminium alloy.Heart yearn portion 3 has the sheath section 5 becoming one with its periphery.
Before being clamped by clamping section 9, utilize a pair of mould 21 and 23 that the heart yearn portion 3 being clamped by clamping section 9 is clipped in therebetween, thereby form peripheral shape as shown in Figure 5.
As shown in Figure 2, in the time that clamping section 9 is clamped to heart yearn portion 3, the peripheral shape of the heart yearn portion 3 of the such formation shown in Fig. 1 is roughly identical with interior all shapes of clamping section 9.In addition,, in the time that clamping section 9 is clamped to heart yearn portion 3, the dotted line in the heart yearn portion 3 shown in Fig. 1 forms interior all diameters of clamping section 9, and the outer circumference diameter of heart yearn portion 3 is set for to the interior all diameters that are greater than clamping section 9.In the time clamping clamping section 9, the larger outer circumference diameter of heart yearn portion 3 forms processing edge.In addition,, in the time utilizing clamping section 9 to clamp heart yearn portion 3, the place of portion at this place, end to clamping part 11 and 13 forms recess 15.
At this, as shown in Figure 2, in the time clamping section 9 being clamped to normal unprocessed heart yearn portion 3, contact is using this part A that clamping part 11 is contacted with 13 end, diminish with the part B of the opposed diapire 19 of part A with as the order of the part C of this sidepiece to clamping part 11 and 13.Because the difference of contact, if so there is creep at 9 places, clamping section that clamp heart yearn portion 3, contact is particularly reducing bearing on the part A of high contact and part B, and therefore, can not on clamping section 9, guarantee enough contacts, thereby the contact resistance between terminal 7 and terminal crimping electric wire 1 is raise.
Therefore,, when the peripheral shape that makes heart yearn portion 3 is when roughly interior all shapes of clamping section 9 are identical when clamping clamping section 9, clamping section 9 is clamped to the load applying of heart yearn portion 3 to the center of heart yearn portion 3, thereby makes the contact equilibrium on clamping section 9.In addition the rising that, heart yearn portion 3 is arranged recess 15 and makes it possible to reduce to bear the contact on the part A under the highest contact.Therefore, the contact equilibrium on clamping section 9, makes it possible to like this be suppressed at the clamping section 9 places generation creep that clamps heart yearn portion 3, thereby reduces the part of bearing lower contact, and suppress contact resistance rising.
The shape of recess 15 is not limited to shape shown in Fig. 1 etc., and can be shape of the recess 15a shown in for example Fig. 6 A and 6B, recess 15b etc.Raise as long as the shape of recess 15 can be held this end and inhibition contact resistance to clamping part 11 and 13, just recess 15 can be formed as to arbitrary shape.
In the terminal crimping electric wire 1 of constructing like this, first, remove sheath section 5 in pre-position, to expose heart yearn portion 3.Then, utilize this to mould 21 and 23, the heart yearn portion of exposing to be clipped in therebetween, so that the peripheral shape of heart yearn portion 3 is roughly identical with the peripheral shape of the heart yearn portion 3 that utilizes clamping section 9 to clamp, and the outer circumference diameter of heart yearn portion 3 is greater than utilize the outer circumference diameter of the heart yearn portion 3 that clamping section 9 clamps.Then, this is clamped to the heart yearn portion 3 of processing to clamping part 11 and 13, to utilize the compression heart yearn portion 3 from outer circumferential side to central side such as fixture, thereby sets up continuity between end 7 and terminal crimping electric wire 1.
In aforesaid terminal crimping electric wire 1, make the peripheral shape of heart yearn portion 3 before the clamping section 9 that utilizes terminal 7 clamps roughly with utilize interior all shapes of the clamping section 9 of clamping section 9 after clamping heart yearn portion 3 identical, and therefore, in the time that clamping section 9 is clamped to heart yearn portion 3, make the contact equilibrium on clamping section 9, make it possible to like this be suppressed at 3 places of heart yearn portion creep occurs, and can reduce the part of bearing lower contact.
Therefore,, in aforesaid terminal crimping electric wire 1, there is creep in 3 places of heart yearn portion that can suppress to be formed by a conductor, and can suppress contact resistance rising.
In addition, the outer circumference diameter of the heart yearn portion 3 before the clamping section 9 that utilizes terminal 7 clamps is set for and is greater than the interior all diameters that utilize the clamping section 9 of clamping section 9 after clamping heart yearn portion 3, between heart yearn portion 3 and whole clamping section 9, realize and reliably contacting like this.Make it possible to like this be suppressed at 3 places of heart yearn portion creep occurs, and suppress contact resistance rising at 9 places, clamping section.
In addition, heart yearn portion 3 is provided with this end to clamping part 11 and 13 will be placed on recess 15 wherein, and therefore, can reduce this end to clamping part 11 and 13 and bear the contact in the part of the clamping section 9 of high contact, thereby make the contact on clamping section 9 further balanced.
In terminal crimping electric wire according to an embodiment of the invention, crimp type terminal is the cloudy terminal with tubular contact site.Selectively, crimp type terminal can be the male with tubbiness contact site.
In addition, this terminal is only provided with the clamping section that is clamped to heart yearn portion.But the present invention is not limited to aforementioned arrangement, and terminal can not only be provided with clamping section, and can be provided with sheath clamping section, to clamp sheath section, and makes the fixing-stable of terminal and terminal crimping electric wire.
Claims (3)
1. a terminal crimping electric wire, comprising:
Heart yearn portion, this heart yearn portion is formed by a conductor; And
Sheath section, this sheath section covers the periphery of described heart yearn portion, wherein,
The clamping section of terminal is clamped to the described heart yearn portion of exposing from described sheath section for conduction, and
It is roughly the same that the peripheral shape that makes the described heart yearn portion before being clamped by the described clamping section of described terminal and clamped portion clamp interior all shapes of described heart yearn portion described clamping section afterwards.
2. terminal crimping electric wire according to claim 1, wherein,
The outer circumference diameter of the described heart yearn portion before being clamped by the described clamping section of described terminal is set for to the interior all diameters that are greater than described clamping section and clamp the described clamping section after described heart yearn portion.
3. terminal crimping electric wire according to claim 1 and 2, wherein,
Described clamping section has a pair of clamping part, and this pair of clamping part clamps described heart yearn portion, and the end of this pair of clamping part contacts with each other, and described heart yearn portion is provided with recess, and the end of this pair of clamping part will be placed in this recess.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-173014 | 2011-08-08 | ||
| JP2011173014A JP5902414B2 (en) | 2011-08-08 | 2011-08-08 | Manufacturing method of terminal crimped wire |
| PCT/JP2012/004946 WO2013021602A1 (en) | 2011-08-08 | 2012-08-03 | Terminal crimped wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103891048A true CN103891048A (en) | 2014-06-25 |
| CN103891048B CN103891048B (en) | 2016-10-12 |
Family
ID=46888613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280038893.8A Active CN103891048B (en) | 2011-08-08 | 2012-08-03 | terminal crimping electric wire |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5902414B2 (en) |
| CN (1) | CN103891048B (en) |
| WO (1) | WO2013021602A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112154572A (en) * | 2018-05-23 | 2020-12-29 | 株式会社自动网络技术研究所 | Electric wire with terminal |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6536368B2 (en) | 2015-11-12 | 2019-07-03 | 住友電装株式会社 | Method of manufacturing metal wire strip member including joint portion, method of manufacturing metal wire strip member with terminal, and metal wire strip member including joint portion |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11515137A (en) * | 1995-10-28 | 1999-12-21 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | Contact member with crimp section |
| EP2086056A2 (en) * | 2008-01-24 | 2009-08-05 | Yazaki Corporation | Crimping terminal |
| JP2010212023A (en) * | 2009-03-09 | 2010-09-24 | Toyota Motor Corp | Connection structure for electric wire |
| US20110177727A1 (en) * | 2010-01-18 | 2011-07-21 | Weiping Zhao | Aluminum conductor and conductive terminal connection |
| CN103733432A (en) * | 2011-08-02 | 2014-04-16 | 矢崎总业株式会社 | Terminal crimping structure for single core electric wire |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002198155A (en) * | 2000-10-18 | 2002-07-12 | Yazaki Corp | Connection method and connection structure of cable |
| JP5428789B2 (en) | 2008-11-19 | 2014-02-26 | 株式会社オートネットワーク技術研究所 | Electric wire with terminal fitting and method of manufacturing electric wire with terminal fitting |
-
2011
- 2011-08-08 JP JP2011173014A patent/JP5902414B2/en active Active
-
2012
- 2012-08-03 CN CN201280038893.8A patent/CN103891048B/en active Active
- 2012-08-03 WO PCT/JP2012/004946 patent/WO2013021602A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11515137A (en) * | 1995-10-28 | 1999-12-21 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | Contact member with crimp section |
| EP2086056A2 (en) * | 2008-01-24 | 2009-08-05 | Yazaki Corporation | Crimping terminal |
| JP2010212023A (en) * | 2009-03-09 | 2010-09-24 | Toyota Motor Corp | Connection structure for electric wire |
| US20110177727A1 (en) * | 2010-01-18 | 2011-07-21 | Weiping Zhao | Aluminum conductor and conductive terminal connection |
| CN103733432A (en) * | 2011-08-02 | 2014-04-16 | 矢崎总业株式会社 | Terminal crimping structure for single core electric wire |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112154572A (en) * | 2018-05-23 | 2020-12-29 | 株式会社自动网络技术研究所 | Electric wire with terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5902414B2 (en) | 2016-04-13 |
| JP2013037886A (en) | 2013-02-21 |
| WO2013021602A1 (en) | 2013-02-14 |
| CN103891048B (en) | 2016-10-12 |
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