WO2023063283A1 - メス型端子、コネクタ、端子付き電線、コネクタ付き電線及びワイヤーハーネス - Google Patents
メス型端子、コネクタ、端子付き電線、コネクタ付き電線及びワイヤーハーネス Download PDFInfo
- Publication number
- WO2023063283A1 WO2023063283A1 PCT/JP2022/037766 JP2022037766W WO2023063283A1 WO 2023063283 A1 WO2023063283 A1 WO 2023063283A1 JP 2022037766 W JP2022037766 W JP 2022037766W WO 2023063283 A1 WO2023063283 A1 WO 2023063283A1
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- Prior art keywords
- endless
- welded
- female terminal
- welded portion
- electric wire
- Prior art date
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- 238000003466 welding Methods 0.000 claims abstract description 58
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 15
- 238000003780 insertion Methods 0.000 description 9
- 230000037431 insertion Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 6
- 239000000835 fiber Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000007747 plating Methods 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000009751 slip forming Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
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
- H01R4/02—Soldered or welded connections
- H01R4/023—Soldered or welded connections between cables or wires and terminals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/10—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding
-
- 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
- H01R11/01—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 characterised by the form or arrangement of the conductive interconnection between the connecting locations
-
- 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
- H01R13/02—Contact members
- H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
- H01R13/187—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket
-
- 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
- H01R4/02—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
- 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
- H01R4/02—Soldered or welded connections
- H01R4/029—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
- H01R11/03—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 characterised by the relationship between the connecting locations
- H01R11/05—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 characterised by the relationship between the connecting locations the connecting locations having different types of direct 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
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
- H01R43/0207—Ultrasonic-, H.F.-, cold- or impact welding
Definitions
- the present invention relates to, for example, a female terminal, a connector, an electric wire with a terminal, an electric wire with a connector, and a wire harness used in an electric circuit through which a large current flows.
- electrical devices have configured electrical circuits by connecting electric devices and power supply devices with wire harnesses.
- the wire harness and the electric device, as well as the wire harness and the power supply device, are connected to each other through connectors attached to them.
- the connector shown in Patent Literature 1 accommodates a female terminal in a connector housing.
- a terminal body is composed of a base portion and a spring member, and when a male terminal is inserted, an arm spring, which is a part of the spring member, is deformed.
- the present invention provides a female terminal, a connector, an electric wire with a terminal, which can prevent the welded part from being damaged even when the conductor of the electric wire is connected by ultrasonic welding to the electric wire connection part of the female terminal to which the spring member is previously welded.
- An object of the present invention is to provide an electric wire with a connector and a wire harness.
- a wire connection portion to which a conductor of an electric wire is connected by ultrasonic welding and a terminal connection portion to which a male terminal is connected are provided, and the terminal connection portion is provided with a predetermined interval that allows insertion of the male terminal. and a spring member attached to the base portion. and an arm spring extending toward the side wall, the side plate is provided along the outer surface of the side wall, and the side wall and the side plate are welded to form a welded portion. and wherein the welded portion is a female terminal that is an endless welded portion.
- a connector comprising the female terminal described above and a connector housing for accommodating the female terminal. It is characterized by being an electric wire with a terminal provided with the said electric wire to be connected.
- a connector-equipped wire comprising the above-described terminal-equipped wire and a connector housing for accommodating the terminal-equipped wire, and at least one of the above-described terminal-equipped wire and the above-described connector-equipped wire. It is characterized by being a wire harness.
- the spring member includes one spring member in which the extension plate is provided along both outer side surfaces of the pair of side walls, and the extension plate is provided along both outer side surfaces of the pair of side walls. It may be a separate spring member or one spring member in which the extension plate is provided along one of the pair of side walls.
- the endless shape is a circular shape, an elliptical shape, a polygonal shape with arc-shaped corners, etc., a circumferential shape in which the start and end points of a weld formed in a linear or band shape coincide, or a start and end point in the middle A shape that does not generate an edge when placed on a part.
- the terminal connection portion of the female terminal is provided with a wire connection portion to which the conductor of the wire is connected by ultrasonic welding, and a terminal connection portion to which the male terminal is connected, and the male terminal is inserted into the terminal connection portion.
- a base portion having a pair of side walls arranged with a possible predetermined space therebetween and a spring member attached to the base portion are provided, and the plate along which the spring member and the side wall are connected to each other in an endless manner. It is welded at the shape weld.
- the endless welded portion may be formed in a non-angular shape having no angular portion.
- the angular portion is the intersection of the ends of linear welds in different directions, the intersection of the ends of curved welds in different tangential directions, or the intersection of curved welds in directions different from the tangential direction. It is a portion that forms a so-called edge shape in a strip-shaped welded portion formed with a predetermined width by linear or wobbling, such as an intersection of an end portion and a straight welded portion. Therefore, the non-angular shape having no angular portions is a smooth shape that does not have a portion forming an edge shape.
- the present invention even if the conductor of the electric wire is connected by ultrasonic welding to the electric wire connecting portion of the female terminal welded to the base portion and the spring member in advance, it is possible to reliably prevent the welded portion from being damaged. More specifically, if the endless welded portion has an angular portion, there is a possibility that a load due to vibration of ultrasonic welding that connects the electric wire connection portion and the conductor may locally act on the angular portion. However, since the endless welded portion has a non-angular shape with no angular portion, the load due to the vibration of the ultrasonic welding that connects the electric wire connection portion and the conductor is dispersed, and the base portion and the spring are preliminarily connected. Even if the conductor of the electric wire is connected by ultrasonic welding to the electric wire connection portion of the female terminal welded to the member, it is possible to reliably prevent the welded portion from being damaged.
- a plurality of the endless welds may be formed, a plurality of the endless welds may be arranged in parallel in a predetermined direction at predetermined intervals, and a plurality of the endless welds may be arranged in parallel in a predetermined direction.
- the part may be arranged in a row.
- endless welded portions are continuous means that the endless welded portions partially intersect or coincide with each other.
- a plurality of endless welds may be formed so that they partially intersect or coincide with each other.
- an end-shaped welded portion may be provided, and the endless welded portion may be arranged at an end portion of the end-shaped welded portion. It may be linear extending in a predetermined direction, and the welded portion with ends may be wave-shaped or spiral-shaped.
- a second welded portion may be arranged inside surrounded by the endless welded portion, and the second welded portion may be an endless second endless welded portion smaller than the endless welded portion. It may be a welded portion. According to the present invention, even if the conductor of the electric wire is connected by ultrasonic welding to the electric wire connecting portion of the female terminal welded to the base portion and the spring member in advance, the welding area of the welded portion that can prevent damage is increased, It is possible to improve the connection strength between the spring member and the base portion.
- the second welded portion may be a welded portion having an end shape, and the end portion of the welded portion may be arranged on the endless welded portion. According to the present invention, even if the end-ended weld portion has an end portion where a load due to vibration of ultrasonic welding that connects the wire connection portion and the conductor may act locally, the above-described Since the end portion of the welded portion with an end is disposed on the endless welded portion, the load due to the vibration of the ultrasonic welding that connects the electric wire connection portion and the conductor is dispersed, and the base portion and the spring are preliminarily separated. Even if the conductor of the electric wire is connected by ultrasonic welding to the electric wire connecting portion of the female terminal welded to the member, the welded portion can be prevented from being damaged.
- the said wire connection part and the said terminal connection part may be arranged in series along the longitudinal direction of the said conductor connected to the said wire connection part.
- the conductor can be reliably connected to the wire connecting portion of the female terminal welded to the base portion and the spring member in advance, and the previously connected welded portion can be prevented from being damaged.
- the wire connection portion is oscillated with ultrasonic waves in a direction along the longitudinal direction of the conductor.
- the conductor can be connected more reliably.
- the ultrasonic vibration when the ultrasonic vibration is applied in the longitudinal direction of the conductor, the ultrasonic vibration is applied to the terminal connection portion arranged in series with the wire connection portion along the longitudinal direction of the conductor connected to the wire connection portion.
- the influence of the vibration of sonic welding becomes more likely to act.
- the plate along the spring member and the side wall are welded by the endless welded portion, the load due to the vibration of ultrasonic welding can be dispersed and the welded portion can be prevented from being damaged.
- Explanatory drawing of a female connector The perspective view of a female terminal. Explanatory drawing of a female terminal. Explanatory drawing of a female terminal.
- FIG. 2 is an exploded perspective view of a female terminal; Explanatory drawing explaining assembly
- Explanatory drawing explaining the modification of the endless weld part of a female terminal Explanatory drawing explaining the modification of the endless weld part of a female terminal.
- Explanatory drawing explaining the modification of the endless weld part of a female terminal Explanatory drawing explaining the modification of the endless weld part of a female terminal.
- Explanatory drawing explaining the modification of the endless weld part of a female terminal Explanatory drawing explaining the modification of the endless weld part of a female terminal.
- FIG. 1 shows an explanatory view of an electric wire 1 with a female connector
- FIG. 2 shows a perspective view of a female terminal
- FIGS. 3 and 4 show explanatory views of the female terminal 10
- FIG. 1 shows an exploded perspective view of terminal 10.
- FIG. FIG. 6 shows an explanatory view explaining the assembly of the female terminal 10
- FIG. 7 shows an explanatory view explaining the connection of the electric wire 5 to the female terminal 10
- FIG. 8 is a perspective view of the electric wire 1 with a female connector. is shown.
- FIG. 1(a) shows a perspective view of the electric wire 1 with a female connector
- FIG. 1(b) shows a perspective view of the electric wire 1 with a female connector showing the connector housing 2 in a see-through state.
- FIG. 3(a) shows a front view of the female terminal 10
- FIG. 3(b) shows a cross-sectional view taken along the line AA in FIG.
- FIG. 4(a) shows a cross-sectional view taken along the line BB in FIG. 3(b), and FIG. 4(b) shows the BB in a state of being connected to a flat connecting blade 3 which is a part of the male terminal. It shows a cross-sectional view in the direction of the arrow.
- FIGS. 6A and 6B are explanatory diagrams for assembling the female terminal 10.
- FIG. 6A shows a perspective view of the assembled state of the base portion 20 and the spring member 30, and
- FIG. 6B shows the spring member 30. is welded to the base portion 20.
- FIG. 7A and 7B are explanatory diagrams of the connection of the electric wire 5 to the electric wire connection portion 11 of the female terminal 10, and FIG. 7(b) is a perspective view showing a state in which the conductor 6 of the electric wire 5 is ultrasonically welded to the electric wire connection portion 11 by an ultrasonic welding machine 200.
- FIG. 7(b) is a perspective view showing a state in which the conductor 6 of the electric wire 5 is ultrasonically welded to the electric wire connection portion 11 by an ultrasonic welding machine 200.
- the female terminal 10 described below includes a spring member 30 electrically connected to the flat connecting blade 3 of the male terminal to be connected, and a conductive base electrically connected to the spring member 30. 20 and a terminal body 15 having a wire connecting portion 11 to be connected to the wire 5, and as shown in FIG. can.
- the connector housing 2 in which the female terminals 10 of the electric wires 4 with terminals are arranged is referred to as a connector 2X. Further, the electric wire 1 with a female connector configured in this way constitutes a part of the wire harness 1X.
- the electric wire 5 is a large-current round electric wire in which the inner conductor 6 is covered with an insulating coating, and a female terminal 10 to be described later is connected to the exposed conductor 6 where the insulating coating is peeled off at the tip of the electric wire 5. is called an electric wire 4 with a terminal.
- the connector housing 2 has a substantially rectangular parallelepiped first housing portion 2a having an arrangement space 2c, and a wire insertion portion 2b extending from the first housing portion 2a.
- a female terminal 10 is arranged in the arrangement space 2c inside the first housing part 2a.
- the arrangement space 2c in which the female terminal 10 is arranged is opened on the side opposite to the side where the wire insertion part 2b is arranged in the first housing part 2a, and the female terminal 10 arranged inside can be seen. can.
- two wires 4 with terminals are attached to the wire 1 with a female connector, and the female terminals 10 of the two connector housings are adjacent to each other in the arrangement space 2c.
- the electric wire 1 with a female connector configured in this way constitutes the end of the wire harness 1X (not shown), or constitutes the end of a branch wire branched from the main line of the wire harness 1X.
- a male connector (not shown) is connected from the opening of the first housing part 2a, and the male terminal provided on the male connector is connected to the female terminal 10 arranged in the arrangement space 2c.
- a female terminal 10 which is connected to the exposed conductor 6 at the tip of the electric wire 5 and constitutes the electric wire 4 with a terminal, is provided with a wire connecting portion 11 and a terminal connecting portion 12.
- the terminal connection portion 12 has a base portion 20 and a spring member 30 which are assembled and fixed by an endless weld portion 40 so as to be electrically conductive.
- the wire connection portion 11 and the base portion 20 constitute the terminal main body 15 .
- the wire connection portion 11 and the terminal connection portion 12 are arranged in series.
- direction is the longitudinal direction L.
- a width direction W is a direction orthogonal to the longitudinal direction L (a direction connecting the lower left and the upper right in FIG. 2). Further, the direction intersecting the longitudinal direction L and the width direction W (vertical direction in FIG. 2) is defined as the height direction H, the direction in which the insertion space 12X opens (upward direction in FIG. 2) is defined as the upward direction Hu, and vice versa.
- the direction (the downward direction in FIG. 2) is the downward direction Hd.
- the wire connection portion 11 is continuous in the longitudinal direction L with one side wall 21 of the base portion 20 constituting the terminal connection portion 12 described later, and is formed in a plate shape extending in the longitudinal direction L and the height direction H.
- the terminal connecting portion 12 electrically connected to the flat connecting blade 3 (see FIG. 4(b)) of the male terminal to be connected is arranged with an insertion space 12X into which the connecting blade 3 can be inserted.
- a conductive base portion 20 including a pair of side walls 21 and a side wall connecting portion 22 connecting the side walls 21 together, and a connection disposed between the pair of side walls 21 in the base portion 20 and inserted into the insertion space 12X.
- a conductive spring member 30 is provided in contact with the blade 3 so that biasing force acts on the side wall 21 as a reaction force.
- the base portion 20 is arranged on one side of the wire connection portion 11 in the longitudinal direction L, and planar side walls 21 extending in the longitudinal direction L and the height direction H are spaced apart in the width direction W by a predetermined interval.
- Two side wall connecting portions 22 are provided spaced apart and connect one end portions of the pair of side walls 21 in the height direction H to each other in the width direction W.
- the base portion 20 is formed in a U shape when viewed from the longitudinal direction L with an opening in the upward direction Hu facing the side wall connecting portion 22 in the height direction H. As shown in FIG.
- one of the pair of side walls 21 is continuous with the wire connecting portion 11 in the longitudinal direction L as described above.
- the side wall 21 on the far side in the width direction W is continuous with the wire connection portion 11, and is formed in a U shape with an upper side Hu in the height direction H being open.
- the base portion 20 and the wire connection portion 11 configured in this way are formed by cutting out a terminal plate material, which is a metal plate material having conductivity such as copper or copper alloy, into a predetermined shape, and bending it into the above-described shape. formed.
- a terminal plate material which is a metal plate material having conductivity such as copper or copper alloy
- the terminal body 15, which is composed of the wire connection portion 11 and the base portion 20, is made of a thick plate having a predetermined thickness so as to withstand a large current.
- the surface of the terminal body 15 made of a metal terminal plate material is a non-plating member that is not subjected to plating treatment such as tin plating for improving conductivity.
- the entire surface of the terminal body 15 may be a non-plated member that is not plated, but the wire connecting portion 11 may be partially plated, for example. .
- the spring member 30 is attached to a pair of side walls 21 of the base portion 20, and exerts a reaction force on one of the side walls 21 against the connection blade 3 (see FIG. 4B) inserted into the terminal connection portion 12. It is configured to contact such that a biasing force toward the other side wall 21 acts.
- the spring member 30 includes two inverted U-shaped spring portions 30a arranged in opposite directions in the width direction W and having an inverted U-shaped square opening in the downward direction Hd when viewed from the longitudinal direction L. It is configured to be connected by a connecting portion 34 on one side in the longitudinal direction L.
- the inverted U-shaped spring portion 30a is arranged outside in the width direction W and is spaced apart from the side plate 31 extending in the longitudinal direction L and the height direction H and inside the side plate 31 in the width direction W by a predetermined distance.
- the spring plate 32 and the straddle connecting portion 33 connecting the upper ends of the side plate 31 and the spring plate 32 in the height direction H to the width direction W form an opening in the downward direction Hd when viewed from the longitudinal direction L. It is configured in an inverted U shape.
- the spring plate 32 extends downward Hd in the height direction H from a spring base portion 321 extending downward Hd from the inner side of the straddle portion 33 in the width direction W. It has an arm spring 322 that is substantially doglegged when viewed from the longitudinal direction L and that inclines inward in the width direction W toward Hd. A plurality of arm springs 322 are arranged adjacent to each other in the longitudinal direction L. As shown in FIG.
- the inverted U-shaped spring portion 30a formed by the side plate 31 and the spring plate 32 in an inverted U shape is arranged to face each other in the width direction W, and the side plate 31 extends in the longitudinal direction.
- a connecting portion 34 connects one end of L in the width direction W to constitute the spring member 30 .
- the interval in the width direction W between the side plate 31 and the spring base portion 321 of the spring plate 32 in the inverted U-shaped spring portion 30a is formed slightly wider than the thickness of the side wall 21 in the width direction W, so that the inverted U-shaped spring portions 30a are separated from each other. , that is, the interval in the width direction W between the spring plates 32 connected in the width direction W by the connecting portion 34 is slightly smaller than the interval between the side walls 21, in other words, the length in the width direction W of the insertion space 12X. narrowly formed.
- the spring member 30 is formed by cutting out a spring plate material having a thickness smaller than that of the terminal plate material forming the terminal main body 15 and having a high spring property, but a low conductivity, and then bending the spring plate material. Further, in the spring member 30, a part of the surface of the arm spring 322, such as the surface of the arm spring 322 that contacts the connecting blade 3, is plated with tin to improve conductivity. Of course, the surface of the entire spring member 30 may be plated.
- the spring member 30 configured in this manner is attached to the upper surfaces of the pair of side walls 21 from above Hu in the height direction H, and is electrically conductively fixed by the endless welding portion 40 described later. , forming the female terminal 10 .
- the connecting portion 34 is attached so as to straddle the end side surface of the side wall 21 .
- the spring member 30 is arranged above Hu in the height direction H of the base portion 20, the spring plate 32 is arranged in the insertion space 12X, and the side plate 31 is positioned outside the side wall 21 in the width direction W.
- the straddling connection portion 33 is arranged at the upper end of the side wall 21, and the connection portion 34 is arranged so as to straddle the tip of the side wall 21 in the width direction W (see FIG. 6A).
- the end portion of the side wall 21 in the upward direction Hu is sandwiched from both sides in the width direction W by the base portion of the arm spring 322 , that is, the spring base portion 321 and the extension plate 31 .
- the fiber laser welding machine 100 is moved in a predetermined direction to form an endless portion where the outer surface of the side wall 21 and the peripheral plate 31 in the width direction W overlap each other.
- a welded portion 40 is formed and fixed by welding.
- the endless welded portions 40 are respectively formed on the along plates 31 of the inverted U-shaped spring portions 30a provided on both sides in the width direction W, and are welded to each of the side walls 21 configured as a pair.
- the endless welded portion 40 is a weld bead welded by the fiber laser welder 100, and the outer surface of the side wall 21 and the peripheral plate 31 are melted and electrically connected and fixed by the endless welded portion 40. .
- the endless welded portion 40 When viewed from the outside in the width direction W, the endless welded portion 40 is formed in a substantially rectangular shape that is longer in the longitudinal direction L than in the height direction H and has arcuate corners. In addition, as shown in the enlarged view of part a in FIG. It is formed to have a predetermined width.
- the endless welding portion 40 is formed by moving the fiber laser welding machine 100 along the predetermined shape from the welding start point in the predetermined shape described above while drawing a fine oval wobbling pattern at high speed.
- the end point can be made endless beyond the welded start point.
- the endless welded portion 40 is formed in a substantially rectangular shape having long arc-shaped corners, and is formed in a non-angular shape without edge-shaped corners.
- the base part 20 and the spring member 30 are assembled, and the female terminal is composed of the terminal connection part 12 electrically conductively connected by the endless weld part 40 and the wire connection part 11 for connecting the wire 5.
- the electric wire 5 is connected to the electric wire connecting portion 11 to form the electric wire 4 with a terminal, and the electric wire 1 with a female connector can be formed by mounting the terminal-equipped electric wire 4 on the connector housing 2 .
- the conductor 6 exposed from the tip of the electric wire 5 is connected to the electric wire connecting portion 11 of the female terminal 10 to which the spring member 30 is attached and which is connected by the endless welded portion 40. It is arranged and welded by an ultrasonic welding machine 200 as shown in FIG. 7(b).
- the wires 5 are arranged on the front side in the width direction W with respect to the wire connection portion 11 (front side in FIG. Although it is illustrated as being ultrasonically welded, generally, the electric wire 5 is arranged from above the electric wire connection portion 11, sandwiched vertically between an anvil 201 and a crimper 203, which will be described later, and ultrasonically welded.
- the anvil 201 of the ultrasonic welding machine 200 is arranged on the back side of the wire connection portion 11 (the far side in the width direction W opposite to the side where the conductor 6 is arranged), and the wire connection portion 11
- the restricting portions 202 are arranged on both sides in the height direction H.
- the crimper 203 is sandwiched in the width direction W, and the crimper 203 applies ultrasonic vibration in the longitudinal direction L.
- the conductor 6 of the electric wire 5 and the electric wire connection portion 11 are ultrasonically welded to form the electric wire 4 with a terminal.
- connection blade 3 of the male terminal attached to the male connector is inserted into the insertion space 12X from the opening side as shown in FIG. 4(b).
- the arm springs 322 are inserted between the arm springs 322 of the spring plate 32, and the arm springs 322 are brought into close contact with the connecting blade 3 while exerting a biasing force in the width direction W, so that they can be electrically connected to each other. .
- the female terminal 10 described above is provided with a wire connection portion 11 to which the conductor 6 of the wire 5 is connected by ultrasonic welding, and a terminal connection portion 12 to which a male terminal is connected.
- a base portion 20 having a pair of side walls 21 arranged at a predetermined interval into which the connecting blade 3 of the type terminal can be inserted, and a spring member 30 attached to the base portion 20 are provided.
- the side plate 31 Along with the side plate 31 along the side wall 21 and the arm spring 322 extending toward the side wall 21 facing the side wall 21, the side plate 31 is provided along the outer surface of the side wall 21, Since the installation plate 31 is welded by the endless welding portion 40, the conductor 6 of the electric wire 5 is connected to the electric wire connection portion 11 of the female terminal 10 welded to the base portion 20 and the spring member 30 in advance by the crimper. Even if the 203 is ultrasonically vibrated in the longitudinal direction L for connection, the endless welded portion 40 can be prevented from being damaged.
- the terminal connection portion 12 of the female terminal 10 provided with the wire connection portion 11 to which the conductor 6 of the wire 5 is connected by ultrasonic welding and the terminal connection portion 12 to which the male terminal is connected,
- a base portion 20 having a pair of side walls 21 arranged at a predetermined interval into which the connecting blade 3 of the male terminal can be inserted, and a spring member 30 attached to the base portion 20 are provided.
- the extension plate 31 and the side wall 21 are welded together by an endless weld portion 40 .
- the conductor 6 of the electric wire 5 is connected by ultrasonic welding to the electric wire connection portion 11 of the female terminal 10 welded to the base portion 20 and the spring member 30 in advance, and the vibration of the ultrasonic welding acts on the endless weld portion 40.
- the load due to vibration does not act locally on the endless welded portion 40, and the load can be distributed. Therefore, even if the crimper 203 is ultrasonically vibrated in the longitudinal direction L to connect the conductor 6 of the electric wire 5 to the electric wire connecting portion 11 of the female terminal 10 which has been welded to the base portion 20 and the spring member 30 in advance, the conductor 6 of the electric wire 5 can be connected in an endless state. Damage to the welded portion 40 can be prevented.
- extension plate 31 arranged along the outer surface of the side wall 21 and the outer surface of the side wall 21 are welded by the endless welding portion 40, even if the connecting blade 3 of the male terminal is inserted, the side wall The extension plate 31 along the outer surface of 21 is not affected. Therefore, it is possible to prevent an excessive load from acting on the endless welded portion 40 between the side wall 21 and the peripheral plate 31 .
- the fiber laser welder 100 can be brought close to or moved freely. Therefore, the welding process can be easily performed.
- the overlapping portion of the peripheral plate 31 with respect to the outer surface of the side wall 21 has a wide width and a long length, any welding mode can be applied.
- the endless welded portion 40 is formed in a non-angular shape without an edge-shaped angular portion, the wire connection portion 11 of the female terminal 10 welded to the base portion 20 and the spring member 30 in advance can be Furthermore, even if the crimper 203 is ultrasonically vibrated in the longitudinal direction L to connect the conductor 6 of the electric wire 5, the welded portion can be reliably prevented from being damaged.
- the welded portion has an angular portion
- a load due to vibration of the crimper 203 connecting the wire connection portion 11 and the conductor 6 may locally act on the angular portion. Since the welded portion 40 is nonangular and has no angular portion, the load due to the vibration of the crimper 203 that connects the wire connection portion 11 and the conductor 6 is dispersed. Therefore, even if the crimper 203 is ultrasonically vibrated in the longitudinal direction L to connect the conductor 6 of the electric wire 5 to the electric wire connecting portion 11 of the female terminal 10 which has been welded to the base portion 20 and the spring member 30 in advance, the conductor 6 of the electric wire 5 can be connected in an endless state. Damage to the welded portion 40 can be reliably prevented.
- the wire connection portion 11 and the terminal connection portion 12 extend in the longitudinal direction of the conductor 6 connected to the wire connection portion 11, that is, in the longitudinal direction L which is the vibration direction of the crimper 203 when connecting the conductor 6 to the wire connection portion 11. Since it is arranged in series along the , the conductor 6 can be reliably connected to the wire connection portion 11 of the female terminal 10 welded in advance to the base portion 20 and the spring member 30, and the welded portion connected in advance is damaged. can be prevented.
- the crimper 203 is ultrasonically vibrated in the width direction W, which is the direction orthogonal to the longitudinal direction of the conductor 6 connected to the wire connection portion 11, the crimper is moved in the longitudinal direction L along the longitudinal direction of the conductor 6. 203 Ultrasonic vibration allows more reliable connection.
- the wire connection portion 11 when vibrating the crimper 203 for ultrasonic welding in the longitudinal direction L that is the direction along the longitudinal direction of the conductor 6, along the longitudinal direction of the conductor 6 connected to the wire connection portion 11, the wire connection portion 11
- the terminal connection portions 12 arranged in series are more likely to be affected by the vibration of ultrasonic welding.
- the peripheral plate 31 of the spring member 30 and the side wall 21 are welded by the endless weld portion 40, the load due to the vibration of the ultrasonic welding can be dispersed, and the weld portion can be prevented from being damaged. can.
- a connector 2X provided with the above-described female terminal 10 and a connector housing 2 that accommodates the female terminal 10, a wire connected to the above-described female terminal 10 and the base portion 20 of the female terminal 10 5, an electric wire 1 with a female connector provided with the above-mentioned electric wire 4 with a terminal and a connector housing 2 for accommodating the electric wire 4 with a terminal, and the above-mentioned electric wire 4 with a terminal and Even in the wire harness 1X including at least one of the electric wires 1 with a female connector described above, the effect of the female terminal 10 in which the side plate 31 and the side wall 21 are connected by the endless weld portion 40 is exhibited. be able to.
- the side wall 21 and the peripheral plate 31 are welded together by the endless weld portion 40 formed in a substantially rectangular shape that is longer in the longitudinal direction L than in the height direction H and has arcuate corners.
- the endless weld 40 is not limited to the shapes described above.
- a parallel endless weld 41 may be configured by arranging two endless welds 41a and 41b in parallel with a predetermined interval in the height direction H.
- the lower endless welded portion 41a in the downward direction Hd is formed in a flatter, substantially rectangular shape with a shorter length in the height direction H than the endless welded portion 40 described above.
- the upper endless welded portion 41b arranged at a predetermined interval in the upward direction Hu from the lower endless welded portion 41a corresponds to the notch portion of the connecting portion 34 in the upward direction Hu in the side plate 31.
- the length in the longitudinal direction L is shorter than that of the lower endless welded portion 41a.
- the female terminal 10 in which the side plate 31 and the side wall 21 are connected by the parallel endless weld portion 41 configured in this way is a female terminal in which the side plate 31 and the side wall 21 are connected by the endless weld portion 40.
- the connection strength between the spring member 30 and the base portion 20 can be improved.
- the lower endless welded portion 41a and the upper endless welded portion 41b are arranged in parallel in the height direction H with a predetermined interval therebetween to form the parallel endless welded portion 41, Even if the crimper 203 is ultrasonically vibrated in the longitudinal direction L to connect the conductor 6 of the electric wire 5 to the electric wire connection portion 11 of the female terminal 10 welded to the base portion 20 and the spring member 30, damage can be prevented.
- the welded area of the parallel endless welded portion 41 is larger than that of the endless welded portion 40, and the connection strength between the spring member 30 and the base portion 20 can be improved.
- the lower endless welded portion 41a and the upper endless welded portion 41b are arranged with a predetermined interval in the height direction H.
- An endless welded portion may be arranged and configured, and in that case also, the same effects as those of the above-described parallel endless welded portion 41 can be obtained.
- endless welded portions 42b and 42c are arranged at predetermined intervals inside surrounded by the outermost endless welded portion 42a formed in an endless shape to form a multiple endless welded portion.
- a weld 42 may be configured.
- the outermost endless welded portion 42a has the same shape as the above-described endless welded portion 40, and an intermediate endless welded portion 42b having a similar shape is provided at a predetermined interval inside thereof, and further An innermost endless welded portion 42c having a similar shape is provided on the inner side thereof at a predetermined interval.
- the multiple endless welded portion 42 described above has a three-layer structure, it may have a two-layer structure or a four-layer or more structure.
- the female terminal 10 in which the side plate 31 and the side wall 21 are connected by the multiple endless welds 42 configured in this way, is a female terminal in which the side plate 31 and the side wall 21 are connected by the endless welds 40, 41.
- the following effects can be obtained.
- Endless welds 42b and 42c are arranged inside surrounded by the outermost endless weld 42a to constitute a multiple endless weld 42, and are arranged inside surrounded by the outermost endless weld 42a.
- the intermediate endless welded portion 42b has a smaller similar shape than the outermost endless welded portion 42a, and the innermost endless welded portion 42c disposed inside surrounded by the intermediate endless welded portion 42b is the intermediate endless welded portion. It is a similar figure smaller than 42b. Therefore, even if the crimper 203 is ultrasonically vibrated in the longitudinal direction L to connect the conductor 6 of the electric wire 5 to the electric wire connecting portion 11 of the female terminal 10 welded to the base portion 20 and the spring member 30 in advance, the conductor 6 is damaged.
- the welded area of the multiple endless welded portion 42 which can prevent this, is larger than that of the endless welded portion 40, and the connection strength between the spring member 30 and the base portion 20 can be improved.
- a pentagonal endless welded portion 43 having a pentagon-shaped oblique side corresponding to the notch portion of the connecting portion 34 in the upward direction Hu in the side plate 31 may be used.
- the pentagonal endless welded portion 43 is longer in the height direction H than the above-described endless welded portion 40, and has a shape in which the lower endless welded portion 41a and the upper endless welded portion 41b are integrated into a pentagonal shape. .
- the weld area of the pentagonal endless weld 43 is larger than that of the endless weld 40.
- the effects of the female terminal 10 in which the side plate 31 and the side wall 21 are connected by the endless welded portion 40 can be enhanced.
- linear welds 44b and 44c arranged in a lattice form are provided inside surrounded by pentagonal endless welds 44a to form endless lattice welds 44.
- pentagonal endless weld 44a forming the outer shape of the lattice endless weld 44 has the same shape as the above-described pentagonal endless weld 43
- the vertical straight weld 44b is a pentagonal endless weld. It is formed along the height direction H inside surrounded by 44a.
- a plurality of vertical straight welded portions 44b are provided in the longitudinal direction L at predetermined intervals.
- the horizontal straight welded portion 44c is formed along the longitudinal direction L on the inner side surrounded by the pentagonal endless welded portion 44a.
- a plurality of horizontal straight welded portions 44c are provided at predetermined intervals in the height direction H.
- the vertical straight welded portions 44b and the horizontal straight welded portions 44c formed in this way form a lattice shape inside the pentagonal endless welded portion 44a.
- both ends of the horizontal straight welded portion 44c are arranged on the pentagonal endless welded portion 44a.
- the female terminal 10 in which the side plate 31 and the side wall 21 are connected by the endless grid welding portion 44 configured in this way, is a female terminal in which the side plate 31 and the side wall 21 are connected by the endless weld portions 40, 43.
- the following effects are obtained.
- the lattice endless welded portion 44 has straight welded portions 44b and 44c arranged inside surrounded by the pentagonal endless welded portion 44a. It is arranged on the pentagonal endless welded portion 44a. Therefore, even if the straight welded portions 44b and 44c with ends have ends where a load due to the vibration of the crimper 203 that connects the wire connection portion 11 and the conductor 6 may act locally, the wire connection The load due to the vibration of the crimper 203 connecting the part 11 and the conductor 6 is distributed.
- a linear endless weld 45 is formed by arranging circular welds 45b at both ends in the longitudinal direction L of a linear weld 45a along the longitudinal direction L. good too. In the linear endless weld 45, each circular weld 45b passes over both ends of the linear weld 45a.
- the female terminal 10 in which the side plate 31 and the side wall 21 are connected by the linear endless weld portion 45 configured in this way is a female terminal in which the side plate 31 and the side wall 21 are connected by the endless weld portion 40.
- the following effects are obtained.
- the endless circular welded portion 45b is arranged at the end of the linear welded portion 45a having an end, the load caused by the vibration of the crimper 203 that connects the wire connection portion 11 and the conductor 6 is localized. Even with an end-like linear weld 45a having an end that may act, the load due to the vibration of the crimper 203 connecting the wire splice 11 and the conductor 6 is distributed. Therefore, even if the crimper 203 is ultrasonically vibrated in the longitudinal direction L to connect the conductor 6 of the electric wire 5 to the electric wire connection portion 11 of the female terminal 10 welded to the base portion 20 and the spring member 30 in advance, the straight endless It is possible to prevent the shaped welded portion 45 from being damaged. As for the linear endless welded portion 45 composed of the linear welded portion 45a and the circular welded portion 45b, the linear welded portion 45a and the circular welded portion 45b may be continuously formed like a single stroke.
- circular welded portions 46b are arranged at both ends in the longitudinal direction L of a wavy welded portion 46a extending in a zigzag manner in the height direction H and the longitudinal direction L to form an endless wavy shape.
- a weld 46 may be configured. In the wavy endless weld 46, each circular weld 46b passes over both ends of the wavy weld 46a.
- the female terminal 10 in which the side plate 31 and the side wall 21 are connected by the wave-like endless weld 46 configured in this way is a female terminal in which the side plate 31 and the side wall 21 are connected by the endless weld 40.
- the wavy welded portion 46a of the wavy endless welded portion 46 is longer than the straight welded portion 45a of the straight endless welded portion 45, and the straight endless welded portion 45 extends along the wavy welded portion 46a.
- the effect of the female terminal 10 connecting the plate 31 and the side wall 21 can be improved.
- the endless wavy welded portion 46 composed of the wavy welded portion 46a and the circular welded portion 46b
- the wavy welded portion 46a and the circular welded portion 46b may be continuously formed like a single stroke.
- a plurality of circular welded portions 47a may be arranged continuously in the longitudinal direction L while partially overlapping to form a circular endless welded portion 47.
- the circular welded portions 47a may be separated from each other, or the circular welded portions 47a may be arranged in a zigzag pattern.
- the female terminal 10 in which the side plate 31 and the side wall 21 are connected by the circular endless weld portion 47 configured in this way is a female terminal in which the side plate 31 and the side wall 21 are connected by the endless weld portion 40 .
- the following effects are obtained.
- the crimper 203 is attached to the wire connecting portion 11 of the female terminal 10 welded to the base portion 20 and the spring member 30 in advance. Even if the conductor 6 of the electric wire 5 is connected by ultrasonically vibrating in the longitudinal direction L, the welding area by the circular endless welding portion 47 that can prevent damage is increased compared to the endless welding portion 40, and the spring member 30 and The connection strength with the base portion 20 can be improved.
- the spiral endless welded portion 48 may be a spiral endless welded portion 48 formed in a spiral shape.
- the spiral endless welded portion 48 has the same external shape as the pentagonal endless welded portion 43 and is formed radially inward in a unicursal shape.
- An intermediate portion of the endless spiral welded portion 48 passes through a starting point 48a, and an ending point 48b is formed on the intermediate portion.
- the female terminal 10 in which the side plate 31 and the side wall 21 are connected by the endless spiral weld 48 configured in this way is a female terminal in which the side plate 31 and the side wall 21 are connected by the endless weld 40.
- the following effects are obtained.
- the spiral endless welded portion 48 may be spirally formed with a starting point 48a on the radially inner side and an ending point 48b on the radially outer side.
- the electric wire of the present invention corresponds to the electric wire 5, and so on, Part of the male terminal corresponds to the connecting blade 3,
- the conductor corresponds to conductor 6
- the wire connection portion corresponds to the wire connection portion 11
- the terminal connection portion corresponds to the terminal connection portion 12
- the side wall corresponds to side wall 21
- the base part corresponds to the base part 20
- the spring member corresponds to the spring member 30
- the trailing board corresponds to the trailing board 31
- the arm spring corresponds to the arm spring 322
- the endless welds correspond to the endless welds 40, 41, 42, 43, 44, 45, 46, 47, 48
- the female terminal corresponds to the female terminal 10
- the welded portion with ends corresponds to the linear welded portion 45a and the wavy welded portion 46a
- the second weld corresponds to the endless welds 42b and 42c and the linear welds 44b and 44c
- the second endless weld corresponds to the endless welds
- the spring member 30 is configured by connecting the inverted U-shaped spring portions 30a provided facing each other in the width direction W with the connecting portion 34, but the two inverted U-shaped spring portions 30a are inserted.
- the spring member 30 may be configured by being connected by a connecting portion extending inside the space 12X, or the two inverted U-shaped spring portions 30a may be separate members without being connected.
- the spring member 30 may be composed of one inverted U-shaped spring portion 30a.
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Abstract
Description
詳述すると、電線の導体が超音波溶接によって接続される電線接続部と、オス型端子が接続される端子接続部とが設けられたメス型端子の前記端子接続部は、オス型端子が挿入可能な所定間隔を隔てて配置された一対の側壁を有する基台部と、前記基台部に取り付けられるバネ部材とが設けられ、前記バネ部材の沿設板と前記側壁とを無端状の無端状溶接部で溶接している。
上記角状部は、向きが異なる直線状の溶接部の端部同士の交点、接線方向が異なる曲線状の溶接部の端部同士の交点、あるいは接線方向と向きが異なる曲線状の溶接部の端部と直線状の溶接部の交点など、線状或いはウォブリングによって所定の幅で形成された帯状の溶接部においていわゆるエッジ状を形成する部分である。したがって、上述の角状部を有さない無角状はエッジ状を形成する部分のない滑らかな形状である
詳述すると、前記無端状溶接部が角状部を有すると、前記電線接続部と前記導体とを接続する超音波溶接の振動による負荷が角状部に対して局所的に作用するおそれがあるが、前記無端状溶接部は角状部を有さない無角状であるため、前記電線接続部と前記導体とを接続する超音波溶接の振動による負荷が分散され、予め基台部とバネ部材と溶接したメス型端子の電線接続部に電線の導体を超音波溶接によって接続しても、溶接部が損傷することを確実に防止できる。
この発明により、予め基台部とバネ部材と溶接したメス型端子の電線接続部に電線の導体を超音波溶接によって接続しても、損傷することを防止できる溶接部による溶接面積が増大し、バネ部材と基台部との接続強度を向上することができる。
この発明により、前記電線接続部と前記導体とを接続する超音波溶接の振動による負荷が局所的に作用するおそれがある端部を有する有端状の有端状溶接部であっても、前記有端状溶接部の端部が前記無端状溶接部上に配置されているため、前記電線接続部と前記導体とを接続する超音波溶接の振動による負荷が分散され、予め基台部とバネ部材と溶接したメス型端子の電線接続部に電線の導体を超音波溶接によって接続しても、溶接部が損傷することを防止できる。
この発明により、予め基台部とバネ部材と溶接したメス型端子の前記電線接続部に前記導体を確実に接続できるとともに、予め接続した溶接部が損傷することを防止できる。
図1はメス型コネクタ付電線1の説明図を示し、図2はメス型端子10の斜視図を示し、図3、及び図4はメス型端子10の説明図を示し、図5はメス型端子10の分解斜視図を示している。
図6はメス型端子10の組み付けについて説明する説明図を示し、図7はメス型端子10への電線5の接続について説明する説明図を示し、図8はメス型コネクタ付電線1の斜視図を示している。
図6はメス型端子10の組み付けについての説明図であり、図6(a)は基台部20とバネ部材30とを組み付けた状態の斜視図を示し、図6(b)はバネ部材30を基台部20に溶接する状態の斜視図を示している。
本実施形態においては、メス型コネクタ付電線1は、2本の端子付き電線4が装着され、配置空間2cにおいて、コネクタハウジング2つのメス型端子10が隣接される。
接続されるオス型端子の平板状の接続ブレード3(図4(b)参照)と電気的に接続される端子接続部12は、接続ブレード3が挿入可能な挿入空間12Xを隔てて配置された一対の側壁21と側壁21同士を連結する側壁連結部22とを備える導電性の基台部20、及び基台部20における一対の側壁21の間に配置され、挿入空間12Xに挿入された接続ブレード3に対して、側壁21を反力として付勢力が作用するように接触する導電性のバネ部材30が備えられている。
アームバネ322は、長手方向Lに複数隣接配置されている。
また、バネ部材30において、接続ブレード3と接触するアームバネ322の表面などのアームバネ322の一部の表面が、錫メッキなどの導電性を向上するためにメッキ処理されている。もちろんバネ部材30全体の表面がメッキ処理されていてもよい。
具体的には、下方向Hdの下側無端状溶接部41aは、上述の無端状溶接部40に比べて高さ方向Hの長さが短いより扁平状の略長方形状に形成されている。
具体的には、最も外側の最外無端状溶接部42aは上述の無端状溶接部40と同形状であり、その内側に所定間隔を隔てて相似形状の中間無端状溶接部42bを備え、さらにその内側に所定間隔を隔てて相似形状の最内無端状溶接部42cを備えている。なお、上述の多重無端状溶接部42は3重構造としたが、2重構造や4重以上であってもよい。
五角形無端状溶接部43は、上述の無端状溶接部40より高さ方向Hに長く、下側無端状溶接部41aと上側無端状溶接部41bとを五角形状に一体化したような形状となる。
詳しくは、格子無端状溶接部44の外形を構成する五角形無端状溶接部44aは、上述の五角形無端状溶接部43と同形状であり、縦方向直線状溶接部44bは、五角形無端状溶接部44aに囲まれた内側において高さ方向Hに沿って形成されている。なお、縦方向直線状溶接部44bは長手方向Lに所定間隔を隔てて複数設けている。
このように形成された縦方向直線状溶接部44bと横方向直線状溶接部44cとで、五角形無端状溶接部44aの内部で格子状を形成しているが、各縦方向直線状溶接部44b、横方向直線状溶接部44cの両端部が五角形無端状溶接部44aの上に配置されている。
以下同様に、
オス型端子の一部は接続ブレード3に対応し、
導体は導体6に対応し、
電線接続部は電線接続部11に対応し、
端子接続部は端子接続部12に対応し、
側壁は側壁21に対応し、
基台部は基台部20に対応し、
バネ部材はバネ部材30に対応し、
沿設板は沿設板31に対応し、
アームバネはアームバネ322に対応し、
無端状溶接部は無端状溶接部40,41,42,43,44,45,46,47,48に対応し、
メス型端子はメス型端子10に対応し、
有端状溶接部は直線状溶接部45a、波状溶接部46aに対応し、
第2溶接部は、無端状溶接部42b、42c、直線状溶接部44b,44cに対応し、
第2無端状溶接部は、無端状溶接部42b、42cに対応し、
コネクタハウジングはコネクタハウジング2に対応し、
端子付き電線は端子付き電線4に対応し、
コネクタ付き電線はメス型コネクタ付電線1に対応し、
ワイヤーハーネスはワイヤーハーネス1Xに対応するも、この発明は、上述の実施形態の構成のみに限定されるものではなく、請求項に示される技術思想に基づいて応用することができ、多くの実施の形態を得ることができる。
1X…ワイヤーハーネス
2…コネクタハウジング
3…接続ブレード
4…端子付き電線
5…電線
6…導体
10…メス型端子
11…電線接続部
12…端子接続部
20…基台部
21…側壁
30…バネ部材
31…沿設板
40…無端状溶接部
41…並列無端状溶接部
42…多重無端状溶接部
42a…最外無端状溶接部
42b…中間無端状溶接部
42c…最内無端状溶接部
43…五角形無端状溶接部
44…格子無端状溶接部
44a…五角形無端状溶接部
44b…縦方向直線状溶接部
44c…横方向直線状溶接部
45…直線無端状溶接部
45a…直線状溶接部
45b…円形状溶接部
46…波状無端状溶接部
46a…波状溶接部
46b…円形状溶接部
47…円形無端状溶接部
48…渦巻き無端状溶接部
322…アームバネ
Claims (16)
- 電線の導体が超音波溶接によって接続される電線接続部と、
オス型端子が接続される端子接続部とが設けられ、
前記端子接続部は、
オス型端子が挿入可能な所定間隔を隔てて配置された一対の側壁を有する基台部と、前記基台部に取り付けられるバネ部材とが設けられ、
前記バネ部材は、前記側壁の側面に沿う沿設板と、対向する前記側壁に向かって延出されたアームバネとを有するとともに、
前記側壁の外側面に対して前記沿設板が沿設されており、
前記側壁と前記沿設板とが溶接されて溶接部が形成されており、
前記溶接部が無端状の無端状溶接部である
メス型端子。 - 前記無端状溶接部は、角状部を有さない無角状に形成された
請求項1に記載のメス型端子。 - 前記無端状溶接部が複数形成された
請求項1又は請求項2に記載のメス型端子。 - 複数の前記無端状溶接部が所定間隔を隔てて所定方向に並列配置された
請求項3に記載のメス型端子。 - 複数の前記無端状溶接部が連設された
請求項3に記載のメス型端子。 - 有端状の有端状溶接部が備えられ、
前記有端状溶接部の端部に前記無端状溶接部が配置された
請求項3に記載のメス型端子。 - 前記有端状溶接部が所定方向に沿って延びる線状である
請求項6に記載のメス型端子。 - 前記有端状溶接部が渦巻き形状である
請求項7に記載のメス型端子。 - 前記無端状溶接部に囲まれた内側に第2溶接部が配置された
請求項3に記載のメス型端子。 - 前記第2溶接部は、前記無端状溶接部より小さな無端状の第2無端状溶接部である
請求項9に記載のメス型端子。 - 前記第2溶接部は、有端状の有端状溶接部であり、
前記有端状溶接部は、端部が前記無端状溶接部上に配置された
請求項9に記載のメス型端子。 - 請求項1乃至請求項11のいずれかに記載のメス型端子と、
前記メス型端子を収容するコネクタハウジングとが備えられた
コネクタ。 - 請求項1乃至請求項11のいずれかに記載のメス型端子と、
前記メス型端子の前記基台部に接続される前記電線とが備えられた
端子付き電線。 - 前記電線接続部と前記端子接続部とが、
前記電線接続部に接続する前記導体の長手方向に沿って、直列配置された
請求項13に記載の端子付き電線。 - 請求項13又は請求項14に記載の端子付き電線と、
前記端子付き電線を収容するコネクタハウジングとが備えられた
コネクタ付き電線。 - 請求項13又は請求項14に記載の端子付き電線及び請求項15に記載のコネクタ付き電線のうち少なくとも一方が備えられた
ワイヤーハーネス。
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009245701A (ja) | 2008-03-31 | 2009-10-22 | Furukawa Electric Co Ltd:The | 圧着端子 |
JP2013546151A (ja) * | 2010-12-17 | 2013-12-26 | タイコ・エレクトロニクス・コーポレイション | レセプタクル端子 |
JP2014238940A (ja) * | 2013-06-06 | 2014-12-18 | 矢崎総業株式会社 | 接続端子 |
WO2014208108A1 (ja) * | 2013-06-26 | 2014-12-31 | 古河電気工業株式会社 | 端子、圧着端子、ワイヤハーネス及び圧着端子の製造方法 |
JP2019527460A (ja) * | 2016-08-01 | 2019-09-26 | ティーイー・コネクティビティ・コーポレイションTE Connectivity Corporation | 電気コネクタ用の電力端子 |
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- 2022-10-11 WO PCT/JP2022/037766 patent/WO2023063283A1/ja active Application Filing
- 2022-10-11 CN CN202280066647.7A patent/CN118044068A/zh active Pending
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009245701A (ja) | 2008-03-31 | 2009-10-22 | Furukawa Electric Co Ltd:The | 圧着端子 |
JP2013546151A (ja) * | 2010-12-17 | 2013-12-26 | タイコ・エレクトロニクス・コーポレイション | レセプタクル端子 |
JP2014238940A (ja) * | 2013-06-06 | 2014-12-18 | 矢崎総業株式会社 | 接続端子 |
WO2014208108A1 (ja) * | 2013-06-26 | 2014-12-31 | 古河電気工業株式会社 | 端子、圧着端子、ワイヤハーネス及び圧着端子の製造方法 |
JP2019527460A (ja) * | 2016-08-01 | 2019-09-26 | ティーイー・コネクティビティ・コーポレイションTE Connectivity Corporation | 電気コネクタ用の電力端子 |
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