WO2015064763A1 - ワイヤハーネス、端子と被覆導線との接続方法、金型 - Google Patents
ワイヤハーネス、端子と被覆導線との接続方法、金型 Download PDFInfo
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- WO2015064763A1 WO2015064763A1 PCT/JP2014/079187 JP2014079187W WO2015064763A1 WO 2015064763 A1 WO2015064763 A1 WO 2015064763A1 JP 2014079187 W JP2014079187 W JP 2014079187W WO 2015064763 A1 WO2015064763 A1 WO 2015064763A1
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- crimping
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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
- H01R4/10—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
- H01R4/185—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 combined with a U-shaped insulation-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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5205—Sealing means between cable and housing, e.g. grommet
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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
- H01R4/10—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
- H01R4/20—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 using a crimping sleeve
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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
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/058—Crimping mandrels
Definitions
- the present invention relates to a wire harness used for an automobile or the like.
- connection between an electric wire and a terminal in an automobile wire harness is generally a crimp bonding in which the electric wire is crimped with a terminal called an open barrel type.
- a wire harness when moisture or the like adheres to the connection portion between the electric wire and the terminal, the oxidation of the metal surface used for the electric wire proceeds, and the resistance at the joint increases.
- the metal used for an electric wire and a terminal differs, the corrosion between different metals will advance. The progress of the corrosion of the metal material in the connection portion causes cracks in the connection portion and contact failure, and thus cannot be affected by the product life.
- wire harnesses in which the electric wires are made of an aluminum alloy and the terminals are made of a copper alloy are being put into practical use, and the problem of corrosion at the joints has become prominent.
- Patent Document 2 After using the terminal which has a cylindrical crimping part of one end obstruction type, after inserting the end part of a covering conducting wire in this cylindrical crimping part, it crimps by crimping the cylindrical crimping part, and a covering part and a crimping part Has been proposed to prevent rainwater, seawater and the like from entering the core wire portion inside the crimping portion (Patent Document 2).
- a pair of crimping dies is used when crimping the tubular crimping part.
- a method of crimping the crimping part into a substantially circular cross section so that the inner arc-shaped anvil type fits into the crimper type.
- the anvil-type distal end portion needs to have a certain thickness because it is necessary to ensure rigidity. Therefore, when the crimping part is crimped by such a mold, a protruding meat relief part is formed on the outer peripheral surface of the crimping part in the mating part of the mold according to the thickness of the tip part of the anvil mold.
- the present invention has been made in view of such a problem.
- a wire harness capable of ensuring water-stopping with respect to a terminal having a cylindrical crimp portion, a method of connecting a terminal and a coated conductor, and a gold The purpose is to provide a mold.
- a first invention is a wire harness in which a coated conductor and a terminal are connected, and the terminal includes a substantially cylindrical crimping portion to which the coated conductor is crimped, a terminal body, The crimping part is sealed except for the part where the covered conductor is inserted, and the outer peripheral surface of the crimping part corresponding to the covering part of the coated conductor is A protrusion is formed along the longitudinal direction of the terminal, and the protrusion height of the protrusion from the outer peripheral surface of the pressure-bonding portion with respect to a direction perpendicular to the compression direction of the pressure-bonding portion in the radial cross section of the pressure-bonding portion is A wire harness having a thickness equal to or less than a thickness of the pressure-bonding portion before pressure bonding.
- the convex portion may be formed at a position corresponding to the mating portion of the first mold and the second mold used for pressure bonding.
- a step is formed between the convex portion and an outer peripheral surface of the crimping portion, and the step is inclined with respect to a direction perpendicular to the compression direction of the crimping portion.
- An inclined portion may be provided.
- the height of the convex portion formed along the longitudinal direction of the terminal when the coated conductor is inserted into the substantially cylindrical crimp portion and the crimp portion is crimped by the pair of molds.
- it since it is lower than the thickness of the crimping part before crimping, it can suppress that a recessed part is formed in the inner surface of a crimping part. For this reason, the inner surface of the crimping part and the covering part are in close contact with each other, and a high water-stopping property can be ensured.
- a second invention is a method for connecting a terminal and a coated conductor, wherein the terminal has a crimping portion to which the coated conductor is crimped and a terminal body, and the crimping portion is inserted into the coated conductor.
- the other part is sealed except for the part to be used, and the first and second molds facing each other are used to insert the coated conductor into the crimp part and press the crimp part.
- the first mold is fitted into the second mold, and the covering portion of the coated conductor is pressure-bonded by the pressure-bonding portion.
- a convex portion is formed at a position corresponding to the mating portion of the second mold, and the convexity from the outer peripheral surface of the crimping portion with respect to a direction perpendicular to the compression direction of the crimping portion in a radial section of the crimping portion.
- a protruding height of the portion is equal to or less than a thickness of the pressure-bonding portion before pressure bonding, and a terminal It is a method of connecting the covered wire.
- the end portion of the first mold is provided with a tapered portion inclined inward with respect to a direction perpendicular to the compression direction of the first mold and the second mold, In the radial cross section of the crimping portion, a step corresponding to the end shape of the first mold is formed on the convex portion between the outer peripheral surface of the crimping portion, and the taper is formed on the step.
- An inclined portion corresponding to the portion may be provided.
- the height of the convex portion is made lower than the terminal thickness by making the thickness of the tip of one mold (anvil type) thinner than the thickness of the terminal before crimping. Can do. As a result, it can suppress that a recessed part is formed in the inner surface of a crimping
- an inclined part can be formed at the step between the convex part and the arc part of the outer peripheral surface of the crimping part. For this reason, the sudden change part of the flow direction of a metal reduces, and formation of the recessed part of the inner surface of a crimping
- 3rd invention is a metal mold
- the mold is characterized in that an inclined portion corresponding to the tapered portion can be formed.
- an inclined portion is formed at the step between the convex portion and the arc portion of the outer peripheral surface of the crimping portion by forming the inclined portion at the tip of one mold (anvil type). Can do. For this reason, the sudden change part of the flow direction of a metal reduces, and formation of the recessed part of the inner surface of a crimping
- a wire harness capable of ensuring water-tightness for a terminal having a tubular crimping portion, a method for connecting a terminal and a coated conductor, and a mold.
- FIG. 1 The perspective view which shows the wire harness 30.
- FIG. The perspective view which shows the state which inserted the covering conducting wire 23 in the terminal 1.
- FIG. The longitudinal cross-sectional view of the state of FIG. Sectional drawing which shows the state which has arrange
- die 31a, 31b in the AA line of FIG. The enlarged view of the joint part vicinity when the crimping
- FIG. 1 is a view showing a wire harness 30.
- the wire harness 30 is formed by connecting the terminal 1 and the covered conductor 23.
- the terminal 1 is formed integrally with the terminal body 3 and the crimping part 5.
- the terminal main body 3 can be inserted with a male connector (not shown) from the front end 17 in the longitudinal direction.
- the terminal body 3 includes an elastic contact piece 15 that contacts an insertion tab of the male connector.
- the crimping part 5 is a closed type and is formed in a substantially cylindrical shape.
- the crimping part 5 is formed by rounding a plate-like material into a substantially cylindrical shape and joining the edges with a joining part 21.
- a sealing portion 11 is provided at the front end portion (terminal body 3 side) of the crimping portion 5. That is, the crimping part 5 is sealed except for the rear end part 19 into which the covered conducting wire 23 is inserted.
- the junction part 21 and the sealing part 11 are welded by laser welding etc., for example.
- the terminal 1 is formed by press working using, for example, a copper plate member. That is, each part of the terminal 1 before sealing and crimping has substantially the same thickness.
- compression-bonding part 5 fluctuate
- the conductor 25 is covered with an insulating coating 27.
- coated part 27 what is normally used in the field
- the conducting wire 25 for example, aluminum or an aluminum alloy can be applied.
- a convex portion 7 is formed on the outer peripheral surface of the crimp portion 5 along the longitudinal direction.
- the convex portion 7 is formed when the crimping portion 5 is crimped. Details of the convex portion 7 will be described later.
- the crimping part 5 Since the crimping part 5 is crimped to the conducting wire 25 and the covering part 27, the crimping part 5 is sealed by the close contact between the crimping part 5 and the covering part 27. At this time, since the other part than the rear end part 19 of the crimping part 5 is sealed in a watertight manner by the joint part 21 and the sealing part 11, it is possible to prevent moisture from entering the crimping part 5.
- FIG. 2 and 3 are diagrams showing a connection process between the terminal 1 and the covered conductor 23, FIG. 2 is a perspective view, and FIG. 3 is a longitudinal sectional view.
- the covered conducting wire 23 is inserted into the cylindrical crimp portion 5.
- the coating 27 is peeled off and the conducting wire 25 is exposed.
- both the part where the conducting wire 25 is exposed and the part where the covering part 27 is covered are located.
- FIG. 4 is a longitudinal sectional view showing a state in which the crimping part 5 is arranged between the molds 31a and 31b. As shown in FIG. 4, the crimping
- FIG. 5 is a cross-sectional view of the molds 31a and 31b taken along the line AA in FIG. That is, FIG. 5 shows the shapes of the molds 31a and 31b at the site where the covering portion 27 is crimped.
- the mold 31b as the first mold is an anvil type
- the mold 31a as the second mold is a crimper type.
- the molds 31a and 31b are arranged to face each other, and at least one of them can move in a direction approaching each other (in the direction of arrow C in the figure).
- the opposing surfaces of the molds 31a and 31b are formed in an arc shape. When the mold 31b is fitted into the mold 31a, it has a substantially circular shape.
- FIG. 6 is an enlarged view of the vicinity of the portion B in FIG.
- the tip of the mold 31b (near the boundary with the inner peripheral surface of the mold 31a) needs a certain degree of rigidity, so it cannot be completely sharpened and needs a certain thickness. For this reason, when the crimping
- FIG. 7 is an enlarged view of the vicinity of the convex portion 7 of the obtained crimping portion 5.
- the upper part of the convex part 7 (the contact part with the mold 31a) is gently formed in a curved shape.
- a step 9 is formed below the convex portion 7 (contact portion with the mold 31b) due to the shape of the tip of the mold 31b.
- the height of the convex portion 7 (F in the figure) is lower than the thickness of the crimping portion 5 before crimping.
- the height of the convex portion 7 is higher than the thickness of the crimp portion, a recess is easily formed on the inner surface of the crimp portion 5. That is, since the amount of metal flowing to the outer side (convex portion 7) increases, a dent corresponding to the metal flow is easily formed on the inner surface side.
- the adhesiveness with the covering portion 27 may be deteriorated.
- the compressive force applied to the covering portion 27 is released, and there is a possibility that a minute gap is formed between the recess and the covering portion 27.
- Such a gap becomes a problem because it becomes a moisture ingress route.
- the height of the convex portion 7 is a cross-sectional direction perpendicular to the pressing direction of the molds 31a and 31b (the vertical direction in the figure, the direction of arrow D) (the vertical direction in the figure).
- compression-bonding part 5 before crimping can be known by the terminal main body 3, for example.
- the tip thickness of the end portion of the mold 31b is made as thin as possible. That is, since the height of the convex portion 7 is determined by the tip thickness of the end of the die 31b and the clearance between the die 31a and 31b, the tip thickness of the die 31b is designed in consideration of the rigidity of the die 31b. do it.
- the height of the convex portion 7 is made lower than the thickness of the crimping portion 5 before crimping, formation of a dent formed on the inner surface of the crimping portion 5 can be suppressed. For this reason, the adhesiveness of the coating
- the shape of the tip of the mold 31b is not limited to that shown in FIG. That is, as shown in FIG. 6, the tip portion of the mold 31b is not formed only by a surface perpendicular to the crimping direction, but may have another form.
- FIG. 8 (a) is an overall view showing another form of the mold 31b
- FIG. 8 (b) is an enlarged view of the G part of FIG. 8 (a).
- a tapered portion 33 that is inclined with respect to a direction (arrow E in the figure) perpendicular to the crimping direction (arrow D in the figure) is formed at the tip of the mold 31b. May be.
- the taper portion 33 may be formed in an arc shape as shown in FIG. 8C instead of being formed in a linear shape as shown in FIG. 8B. That is, the tip portion of the die 31b is not formed only by a surface perpendicular to the crimping direction, but a taper portion 33 is formed to smoothly connect these at the boundary between the surface perpendicular to the crimping direction and the arc surface. May be.
- FIG. 9A is a partial enlarged cross-sectional view of the vicinity of the convex portion 7 of the crimping portion 5 crimped by the mold of FIG. 8B.
- an inclined portion 13 is formed that is inclined linearly with respect to a direction (arrow E in the figure) perpendicular to the crimping direction (arrow D in the figure).
- the height (H in the drawing) of the convex portion 7 at this time is when viewed in a direction (arrow E direction) perpendicular to the crimping direction (arrow D direction) by the molds 31a and 31b in the cross section.
- the height from the base of the step 9 (the boundary between the convex portion 7 and the arc portion) to the highest portion of the convex portion 7.
- FIG. 9B is a partially enlarged cross-sectional view of the vicinity of the convex portion 7 of the crimping portion 5 crimped by the mold of FIG. 8C.
- an inclined portion 13 is formed that is inclined in an arc shape with respect to a direction (arrow E in the figure) perpendicular to the crimping direction (arrow D in the figure).
- the height (I in the figure) of the convex portion 7 at this time is also when viewed in a direction (arrow E direction) perpendicular to the crimping direction (arrow D direction) by the molds 31a and 31b in the cross section.
- the height from the base of the step 9 (the boundary between the convex portion 7 and the arc portion) to the highest portion of the convex portion 7.
- FIG. 10 shows an outline of the experimental method.
- the terminal 1 crimped to the wire harness 30 was placed in a water tank 41 containing water, and pressurized air was sent from the end of the wire harness 30 toward the terminal 1 by the regulator 42.
- the base material of the terminal is a copper alloy material FAS-680 (Furukawa Electric Co., Ltd., Ni: 2.3 mass%, Si: 0.6 mass%, Sn: 0.15%, with a thickness of 0.25 mm Zn: 0.5 mass%, Mg: 0.1 mass%, balance: Cu and inevitable impurities), and having the structure shown in FIG. 1 was used.
- An aluminum alloy wire (wire diameter 0.43 mm) was used as the electric wire.
- the composition of the core wire is Fe: 0.2 mass%, Cu: 0.2 mass%, Mg: 0.1 mass%, Si: 0.04 mass%, the balance: Al and inevitable impurities.
- the diameter of the core wire is 2.1 mm, the outer diameter of the electric wire is 2.8 mm, and the length of the electric wire is 30 cm.
- the edge part of the electric wire which exposed the core wire was inserted in the crimping
- Examples 1 and 2 At this time, the height of the convex part of Examples 1 and 2 was set to 0.1 mm and 0.2 mm, respectively, by changing the thickness of the die tip.
- a pressure of a maximum of 400 kPa was applied, and a case where no leak was observed at a pressure of 400 kPa was regarded as acceptable.
- the results are shown in Table 1.
- the height of the convex portion is lower than the thickness of the terminal before crimping. 1 and 2, the pass rate was 100%. On the other hand, the height of the convex portion is higher than the thickness of the terminal before crimping. In 3, the leak was seen in part and the pass rate was 80%.
- the wire having an outer diameter of 2.8 mm is used.
- the height of the convex portion should be made lower than the thickness of the terminal before crimping.
- the pass rate of the water stop performance test was 100%.
- the terminal and the electric wire are crimped and connected by the two molds 31a and 31b.
- three or more molds may be used.
- the tip of the mold needs to have a certain thickness because it needs to ensure a certain degree of rigidity.
- a convex portion is formed along the longitudinal direction of the terminal, and the protruding height of the convex portion is preferably equal to or less than the thickness of the crimp portion before crimping.
- a plurality of wire harnesses according to the present invention can be bundled and used.
- a structure in which a plurality of wire harnesses are bundled in this way is referred to as a wire harness structure.
Abstract
Description
前記圧着部の径方向断面において、前記凸部には、前記圧着部の外周面との間に、前記第1金型の端部形状に応じた段差が形成され、前記段差には、前記テーパ部に対応する傾斜部が設けられてもよい。
金型31bの先端部(金型31aの内周面との境界部近傍)は、ある程度の剛性が必要であるため、完全に尖らせることができず、ある程度の厚みが必要である。このため、金型31a、31bで圧着部5(および被覆導線23)を圧着すると、金型31a、31bの合わせ部において、金型31bの先端部の厚みに応じた凸部7が形成される。凸部7は、金型31a、31bの合わせ部に沿って形成されるため、圧着部5の長手方向に沿って一直線(2か所)に形成される。
端子の基材には、厚さ0.25mmの銅合金材FAS-680(古河電気工業(株)製、Ni:2.3質量%、Si:0.6質量%、Sn:0.15%、Zn:0.5質量%、Mg:0.1質量%、残部:Cuおよび不可避不純物)を用い、図1に示した構造を有するものを使用した。電線には、アルミニウム合金線(線径0.43mm)を用いた。なお、芯線の組成は、Fe:0.2質量%、Cu:0.2質量%、Mg:0.1質量%、Si:0.04質量%、残部:Al及び不可避不純物である。芯線の径は2.1mmであり、電線の外径は2.8mmであり、電線の長さは30cmである。そしてこの圧着端子の圧着部に、芯線が露出した電線の端部を挿入し、図5に示した、圧着型を備える圧着装置を用いて圧着部を圧着した。この際の圧縮率(圧縮後の断面積の、圧縮前の断面積に対する比率)は70%とした。これにより、被覆圧着部分に凸部(パーティングライン)が形成された。
この際、金型先端の厚みを変更することで、実施例1、2の凸部の高さを、それぞれ0.1mm、0.2mmとした。
金型先端の厚みを変更することで、凸部の高さを、0.3mmとした以外は、実施例1、2と同様とした。
3………端子本体
5………圧着部
7………凸部
9………段差
11………封止部
13………傾斜部
15………弾性接触片
17………前端部
19………後端部
21………接合部
23………被覆導線
25………導線
27………被覆部
30………ワイヤハーネス
31a、31b………金型
33………テーパ部
41………水槽
42………レギュレータ
Claims (6)
- 被覆導線と端子とが接続されるワイヤハーネスであって、
前記端子は、前記被覆導線が圧着される略筒状の圧着部と、端子本体と、を有し、
前記圧着部は、前記被覆導線が挿入される部位を除き、他の部位が封止されており、
前記被覆導線の被覆部に対応する前記圧着部の外周面には、前記端子の長手方向に沿って凸部が形成され、
前記圧着部の径方向断面において、前記圧着部の圧縮方向に垂直な方向に対する、前記圧着部の外周面からの前記凸部の突出高さが、圧着前の前記圧着部の肉厚以下であることを特徴とするワイヤハーネス。 - 前記凸部は圧着に用いられる第1金型と第2金型の合わせ部に対応する位置に形成されることを特徴とする請求項1記載のワイヤハーネス。
- 前記圧着部の径方向断面において、前記凸部には、前記圧着部の外周面との間に段差が形成され、前記段差には、前記圧着部の圧縮方向に垂直な方向に対して傾斜する傾斜部が設けられることを特徴とする請求項1記載のワイヤハーネス。
- 端子と被覆導線との接続方法であって、
前記端子は、前記被覆導線が圧着される略筒状の圧着部と、端子本体とを有し、
前記圧着部は、前記被覆導線が挿入される部位を除き、他の部位が封止されており、
前記圧着部に前記被覆導線を挿入し、
前記圧着部を押圧するための、互いに対向する第1金型と第2金型を用い、
前記第1金型が前記第2金型の内部に嵌りこむようにして、前記被覆導線の被覆部を前記圧着部で圧着することで、前記圧着部の外周面には、前記第1金型と前記第2金型の合わせ部に対応する位置に凸部が形成され、
前記圧着部の径方向断面において、前記圧着部の圧縮方向に垂直な方向に対する、前記圧着部の外周面からの前記凸部の突出高さを、圧着前の前記圧着部の肉厚以下とすることを特徴とする端子と被覆導線との接続方法。 - 前記第1金型の端部には、前記第1金型と前記第2金型の圧縮方向に垂直な方向に対して、内側に向かって傾斜するテーパ部が設けられ、
前記圧着部の径方向断面において、前記凸部には、前記圧着部の外周面との間に、前記第1金型の端部形状に応じた段差が形成され、前記段差には、前記テーパ部に対応する傾斜部が設けられることを特徴とする請求項4記載の端子と被覆導線との接続方法。 - 端子と被覆導線との圧着に用いられる金型であって、
互いに対向する第1金型と、第2金型と、を具備し、
前記第1金型が前記第2金型の内部に嵌りこむようにして、被覆導線の被覆部と端子とを圧着することが可能であり、
前記第1金型の端部には、前記第1金型と前記第2金型の圧縮方向に垂直な方向に対して、内側に向かって傾斜するテーパ部が設けられ、
圧着後の端子の外周面に、前記第1金型の端部形状に応じた段差を形成するとともに、前記段差には、前記テーパ部に対応する傾斜部を形成可能であることを特徴とする金型。
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US15/033,462 US9853367B2 (en) | 2013-11-01 | 2014-11-04 | Wire harness, method of connecting terminal and coated wire, and mold |
KR1020167006191A KR101833650B1 (ko) | 2013-11-01 | 2014-11-04 | 와이어 하니스, 단자와 피복 도선의 접속 방법, 금형 |
CN201480053933.5A CN105594062B (zh) | 2013-11-01 | 2014-11-04 | 线束、端子与包覆导线的连接方法、模具 |
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JP6017061B2 (ja) | 2016-10-26 |
US20160276754A1 (en) | 2016-09-22 |
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