Abstract: A covered conductive wire is configured by covering a conductive wire with an insulating cover portion. The conductive wire is formed of an aluminum-based material, for example. A crimping portion includes a cover crimping portion for crimping the cover portion of the covered conductive wire, and a conductor crimping portion for crimping a portion of the conductive wire that is exposed when the cover portion is removed at the tip portion of the covered conductive wire. It is possible to use polyvinyl chloride and/or a non-halogen member, for example, for the cover portion of the covered conductive wire, and a plasticizer, filler, stabilizer, or the like is compounded as needed. A material that shrinks by a factor of 7% or less after being allowed to stand for 120 hours at a high temperature of 120° C. is used for this cover portion.

Abstract: An electronic component includes a component main body having a rectangular parallelepiped shape and a plurality of lead terminals, and each lead terminal is disposed to droop along a side surface of the component main body facing the lead terminal. The plurality of lead terminals having different rigidities are arranged in a width direction of at least one side surface of the component main body, and the lead terminal having a highest rigidity among the plurality of lead terminals is disposed to protrude more in a direction in which it gets apart from the corresponding side surface of the component main body than the other lead terminals. Accordingly, it is possible to prevent deformation of the lead terminal.

Abstract: An electric connection box includes a frame, a lower cover that covers the lower surface of the frame, and at least one block that is attached in the frame and disposed at a position along a peripheral wall of the frame. An electric wire that is connected to a component attached to the block out of the blocks is drawn horizontally from the block toward inside the frame.

Abstract: Provided is an electrical wire-connecting structure, and a manufacturing method thereof, with which it is easy to ensure watertightness between a crimping terminal and an insulated electrical wire. A crimping terminal (11) having a tubular portion (25) is prepared in which a first cylindrical portion (52) into which a core wire portion (14) of an electrical wire (13) is inserted is formed with a smaller diameter than a second cylindrical portion (54) into which an insulation covering portion (15) of the electrical wire (13) is inserted, and an inner diameter of the second cylindrical portion (54) is in the range of 1.0 to 1.7 times an outer diameter of the insulation covering portion (15). The electrical wire (13) is inserted into the tubular portion (25), and the second cylindrical portion (54) and the insulation covering portion (15) are compressively crimped.

Abstract: A covered conductive wire is configured by covering a conductive wire with an insulating cover portion. The conductive wire is formed of an aluminum-based material, for example. A crimping portion includes a cover crimping portion for crimping the cover portion of the covered conductive wire, and a conductor crimping portion for crimping a portion of the conductive wire that is exposed when the cover portion is removed at the tip portion of the covered conductive wire. It is possible to use polyvinyl chloride and/or a non-halogen member, for example, for the cover portion of the covered conductive wire, and a plasticizer, filler, stabilizer, or the like is compounded as needed. A material that shrinks by a factor of 7% or less after being allowed to stand for 120 hours at a high temperature of 120° C. is used for this cover portion.

Abstract: A crimp-connection structural body, a wire harness, a method of manufacturing a crimp-connection structural body, and a manufacturing device are provided. The crimp-connection structural body includes an insulated wire formed by covering a conductor by an insulating cover, and a crimp terminal having a crimp section allowing connection by crimp of a conductor exposed portion formed by exposing the conductor. The crimp section is formed of a closed-barrel-type crimp section, and a cross-sectional shape of the crimp section in a radial direction is formed into an approximately recessed cross-sectional shape having a crimp recessed portion formed by indenting by inclined portions inclined from positions spaced-apart from each other by a predetermined distance. The predetermined distance is set to 90% or less of an entire width of the crimp section. An opposedly facing angle made by the inclined portions is set to a value which ranges from 10° to 120° inclusive.

Abstract: A conductor wire crimping portion (7) has depressions (13a, 13b, 13c) that are disposed at prescribed intervals in the axial direction and that are linear locking portions. The depressions (13a, 13b, 13c) are continuously depressed grooves on the inner surface of a crimping portion (5). On an upper die (30a), at a portion corresponding to the conductor wire crimping portion (7), a straight portion is formed, and in the front-back direction thereof, tapered portions are formed. More specifically, the upper die (30a) is formed to have an inverted trapezoid shape, a middle portion of which protrudes in the crimping direction. Consequently, at each boundary between the straight portion and the tapered portion, a die angled portion (32) is formed. At an area corresponding to the straight portion of the upper die (30a), the depression (13a) is provided, and at an area corresponding to the die angled section (32), the depression (13b) is provided.

Abstract: In a terminal connection method of inserting a wire tip of an insulated wire, which is formed by stripping a front end of an insulating cover to expose an aluminum core wire, into a pressure-bonding section of a female crimp terminal to pressure bond the insulated wire to the female crimp terminal via the pressure-bonding section, signs are formed on the outer circumferential face of an insulated tip of the insulating cover at a distance of an internal length of the pressure-bonding section from a conductor tip face of the conductor tip, and the wire tip is inserted up to the signs in the pressure-bonding section to pressure-bond the wire tip to the pressure-bonding section.

Abstract: A cover stripping step of peeling off an insulating cover on a distal end side of an insulated wire to form a wire tip; a marking step of forming a marking on the insulating cover at a predetermined position; a first marking inspection step of inspecting a stripping state and the marking; a wire insertion step of inserting the wire tip into a closed-barrel-type pressure-bonding section; a pressure-bonding step of pressure-bonding the pressure-bonding section to be connected to the wire tip; and a second marking inspection step of inspecting a pressure-bonded state of the pressure-bonding section to the wire tip using the marking are performed in this order, and the first marking inspection step and the second marking inspection step are performed using the same inspection step part.

Abstract: The terminal connection strip includes: a carrier formed in a strip shape; and a plurality of terminal fitting which project from at least one edge side of the carrier in a width direction. The terminal fitting includes a crimping section which connects by crimping at least a conductor tip of an insulated wire provided with the conductor tip where a conductor is covered with an insulating cover and the conductor is exposed by peeling off the insulating cover on a distal end side of the insulated wire to the terminal fitting. The crimping section is formed into a hollow shape which allows the insertion of at least the conductor tip from a proximal end side of the crimping section and allows the crimping section to surround the conductor tip.

Abstract: A connection structure of an electronic component and terminal metal fittings includes a relay in which a plurality of terminals are projected from a relay body having a rectangular parallelepiped shape, terminal metal fittings that are fitted in the respective terminals, and a holding member in which the relay and the terminal metal fittings are accommodated. The holding member has a component body accommodating portion that accommodates the relay body, terminal accommodating portions each accommodating the distal end portion of corresponding one of the terminals and corresponding one of the terminal metal fittings, a groove portion that positions an erroneous-insertion prevention projecting portion therein when the relay is inserted in a normal orientation, and a contact portion that is brought into contact with the erroneous-insertion prevention projecting portion when the relay is inserted in an erroneous orientation.

Abstract: The terminal connection strip includes: a carrier formed in a strip shape; and a plurality of terminal fitting which project from at least one edge side of the carrier in a width direction. The terminal fitting includes a crimping section which connects by crimping at least a conductor tip of an insulated wire provided with the conductor tip where a conductor is covered with an insulating cover and the conductor is exposed by peeling off the insulating cover on a distal end side of the insulated wire to the terminal fitting. The crimping section is formed into a hollow shape which allows the insertion of at least the conductor tip from a proximal end side of the crimping section and allows the crimping section to surround the conductor tip.

Abstract: An electrical junction box includes: an electrical junction box housing; and a common relay block, an individual corresponding relay block, a common power supply block, and an individual corresponding semiconductor module. The common relay block, the individual corresponding relay block, the common power supply block, and the individual corresponding semiconductor module are attached to the electrical junction box housing.

Abstract: A mounting structure of an electronic component includes an electronic component, a housing member, a counterpart terminal, and at least one locking mechanism. The electronic component includes: an electronic component main body; a housing formed by assembling a casing member in which a chamber for the electronic component main body is formed and a base member to which the electronic component main body is attached; and a terminal exposed from the chamber to outside of the housing. The housing member includes a housing space including: a first chamber that accommodates the housing; and a second chamber that accommodates a terminal. The counterpart terminal is fitted into the second chamber and electrically coupled to the terminal. The locking mechanism maintains the accommodation state of the electronic component to the housing member by engaging a first engaging part and a second engaging part.

Abstract: An electronic component unit includes an electronic component having a plurality of terminals that are exposed outside a housing and extend along wall surfaces of the housing, a holding member holding opposite terminals into which the terminals are fitted, and a leakage-blocking structure. The leakage-blocking structure has housing-side wall surfaces provided to the housing of the electronic component and interposed between the terminals adjacent to each other in an alignment direction of the terminals, holding-member-side wall surfaces provided to the holding member and interposed between the terminals adjacent to each other in the alignment direction of the terminals, and overlapping portions formed in such a manner that the housing-side wall surfaces overlap the holding-member-side wall surfaces in the alignment direction of the terminals.

Abstract: An electronic component unit includes an electronic component including an electronic component main body, a holding member with a plate-shaped base holding the electronic component main body, and a terminal electrically connected to the electronic component main body; a housing member including a housing space that houses the electronic component with a first housing chamber for housing the electronic component main body and a second housing chamber for housing the terminal of the electronic component; and a counterpart terminal fitted to the second housing chamber and electrically connected to the terminal when the electronic component is housed in the housing space. The terminal is disposed inside of a virtual space formed by projecting the base in the inserting direction of the electronic component toward the housing space. The base is used as a lid to cover an opening of the housing space to which the electronic component is inserted.

Abstract: Provided is an electrical wire-connecting structure, and a manufacturing method thereof, with which it is easy to ensure watertightness between a crimping terminal and an insulated electrical wire. A crimping terminal (11) having a tubular portion (25) is prepared in which a first cylindrical portion (52) into which a core wire portion (14) of an electrical wire (13) is inserted is formed with a smaller diameter than a second cylindrical portion (54) into which an insulation covering portion (15) of the electrical wire (13) is inserted, and an inner diameter of the second cylindrical portion (54) is in the range of 1.0 to 1.7 times an outer diameter of the insulation covering portion (15). The electrical wire (13) is inserted into the tubular portion (25), and the second cylindrical portion (54) and the insulation covering portion (15) are compressively crimped.

Abstract: An electronic component includes a main body section having a plurality of surfaces and a terminal portion that is disposed in the main body section and that is fitted to a terminal fitting. A housing member includes a first housing chamber that guides and accommodates the main body section and a second housing chamber that accommodates and holds the terminal fitting. The terminal portion includes a base end and a fitting portion that extends from a protruding tip of the base end and that is fitted to the terminal fitting. The fitting portion extends from the protruding tip of the base end, along a side surface of the main body section with a gap from the side surface, without causing an extending tip to protrude beyond the deep surface.

Abstract: A method for manufacturing a crimp terminal having a crimp portion adapted to allow crimp connection with a coated wire having a conductor and an insulating coating, the crimp portion being adapted to crimp connect along the coated wire from a portion of the conductor coated with the insulating coating to a portion of the conductor exposed from the insulating coating at a tip of the coated wire includes providing a barrel member formed by arranging edges of a copper alloy plate material side-by-side, the barrel member having a diameter reducing on an end portion side in a longitudinal direction from a coating crimp portion, forming the crimp portion by welding the edges by laser irradiation from a laser irradiation unit onto a position where the edges are arranged side-by-side, while moving a laser light irradiation position in a longitudinal direction of the barrel member, and irradiating laser light with an output power density and a sweep rate for causing fine molten metal particles having a diameter of 60

Abstract: A barrel portion which allows the pressure-bonding connection of an aluminum core wire exposed on a distal end of an insulated wire covered with an insulating cover is formed into a cylindrical shape by bending barrel portion corresponding portions of a terminal base material in a terminal developed state about a terminal axis. In abutting end portions where the barrel portion corresponding portions abut each other, a welded part which welds the end portions is formed along a long length direction of the insulated wire. The welded part is formed on an upper surface concave portion and a projecting portion where an amount of plastic deformation of a conductor pressure-bonding section generated along with the pressure-bonding of the conductor pressure-bonding section becomes larger compared to other portions in a circumferential direction of the conductor pressure-bonding section.