Yazaki Corporation

Jin Watanabe

Naoyuki Yoshida

Shouya Shinogaya

Yoshihito Aoki

YoungHo Jang

Hiroshi Katoh

Yasuyuki Kugimiya

Tooru Takahashi

Satoshi Ohmae

Shoya Shinogaya

Shinya Mori

A protector includes: a protector body having a routing part in which a wire harness is routed, and a clamp attachment part in which a locking hole is formed; and a clamp which is locked in the locking hole to hold the wire harness. The clamp includes a pair of clamp-side flat parts which are formed to face in directions opposite to each other. The clamp attachment part has a pair of rotation prevention portions which are provided with the locking hole therebetween and which include body-side flat parts facing the clamp-side flat parts.

Protector having clamp engaging mechanism

A wire harness includes: a wire bundle that bundles electric wires, the wire bundle including a branch portion; and a protector attached to the wire bundle so as to accommodate the branch portion of the wire bundle. The wire bundle includes: branch lines extending from the branch portion in routing directions; and a relay line drawn out from the branch portion, the relay line being provided with a connector at a tip end. The protector includes: accommodating portions that accommodate the branch lines, respectively; and connector holding portions provided in at least two of the accommodating portions, respectively, the connector holding portions being provided within a range where the relay line reaches from the branch portion. The relay line is accommodated in the protector in a state in which the connector is selectively held in one of the connector holding portions.

Wire harness

A terminal is mounted on a mounting surface having a stud bolt standing on the mounting surface. The terminal having: a contact portion configured to contact with the mounting surface; an insertion portion allowing the stud bolt to be inserted to the insertion portion; and an elastic portion connected to the contact portion and extending in a direction to leave the mounting surface. The elastic portion is configured to urge the contact portion elastically toward the mounting surface when he terminal touches a fixture engaged with the stud bolt.

Terminal, and mounting structure of terminal and mounting surface

A wire harness includes: a wire bundle having a plurality of electric wires; and a protector attached to the wire bundle. The wire bundle has a relay line drawn out from the wire bundle. The relay line has a connector at an end portion of the relay line. The protector has: a housing portion to cover the wire bundle; and a connector holding portion capable of holding the connector in a first posture and a second posture different from the first posture. The connector holding portion is located in the housing portion within a range to allow the relay line to be extended to hold the connector on the connector holding portion. The connector is held by the connector holding portion in one of the first posture and the second posture to house the relay line in the protector.

Wire harness including wire bundle having relay line with connector, and protector covering wire bundle and holding connector

A wire harness includes a first electric wire which is provided with a first connector at a tip end thereof and is branched form a trunk line, a second electric wire which is provided with a second connector to be connected to the first connector and is connected to the first electric wire via the first connector and the second connector, a connector holder configured to hold one of the first connector and the second connector.

Wire harness including a connector holder

A wire harness is provided. The wire harness includes a connector holder, a connector held in the connector holder, and an electric wire extending from the connector toward a predetermined routing direction. The electric wire is to be held at a predetermined attachment position on an outer wall surface of the connector such that the electric wire extends toward the routing direction passing through the attachment position. The attachment position is configured to be changeable to a plurality of different positions according to the routing direction.

A wire harness system having a wire harness and a connection unit is provided. The connection unit includes a circuit network configuring a part of circuit lines for realizing selectively added specification in the wire harness. Selection circuit lines of an optional sub-harness branched from the trunk line of the wire harness are connected to the circuit network of the connection unit. Thus, connection or disconnection between the selection circuit lines and switching of connection among branches or the like of the selection circuit lines can be easily realized by changing the circuit network of the connection unit.

Wire harness system

A vehicle power supply circuit includes; a resistor disposed between negative electrode side of the switch portion and positive electrode side of back lamps, of which positive electrode side is connected to the negative electrode side of the switch portion, and the negative electrode side is connected to the positive electrode side of the back lamps; and a rectifier which causes the current of the power supply to flow in one direction from the plurality of switch circuits to the back lamps, of which positive electrode side is connected to the negative electrode side of the plurality of switch circuits, and the negative electrode side is connected to the negative electrode side of the resistor and the positive electrode side of the back lamps.

Vehicle power supply circuit

An electrical connection box includes: a box main body; an electric circuit body loaded into the box main body; a grounding member provided in the electric circuit body; a belt-like grounding metal plate extending from the grounding member to the outside of the box main body; a fixing bracket extending integrally with the box main body and including the grounding metal plate; and a bolt through hole formed through a tip end portion of the fixing bracket to electrically connect the grounding metal plate to a bolt to be inserted.

Electrical connection box and ground connection structure thereof

A ground connection structure for an electrical connection box and a fixation object, includes a first ground contact portion provided on the fixation object, a second ground contact portion provided on the electrical connection box and electrically connected to the first ground contact portion when the electrical connection box is fixed to the fixation object, a ground circuit body provided in the electrical connection box and electrically connected to the second ground contact portion, and a fixing member configured to fix the electrical connection box to the fixation object such that the second ground contact portion is brought into contact with the first ground contact portion.

Ground connection structure of electrical connection box and fixation object and electrical connection box

A vehicle power supply circuit includes; a plurality of switch circuits which are connected in parallel to each other and connected to a power supply at positive electrode side to be switched to an open or short circuit separately; a relay circuit including an excitation coil and a switch unit which is connected to the power supply at positive electrode side and is switched from an open circuit to a short circuit since a current flows from the power supply to the excitation coil; and a resistor disposed in parallel with the excitation coil and connected in series to the plurality of switch circuits.

An electrical connection box includes an outer box and an inner box to be accommodated in the outer box. The outer box includes an outer box body, a first lock portion to lock the inner box and a ground member to be electrically connected to a ground conductor, the ground member including a first ground contact portion provided at or adjacent to the first lock portion. The inner box includes an inner box body, a second lock portion to be engaged with the first lock portion, a ground circuit element to which the circuit base is connected to ground the circuit base and a contact conductor electrically connected to the ground circuit element, the contact conductor including a second ground contact portion to be electrically connected to the first ground contact portion when the first lock portion and the second lock portion are engaged with each other.

A wire harness includes at least two electrical wires, and a connection unit via which each of the at least two electrical wires are connected. The connection unit includes a circuit board connected to the at least two electrical wires, and a conductor member extending downward from the circuit board, the conductor member being electrically connected to a ground pattern on the circuit board. The connection unit is attached to a vehicle body in a state where the conductor member is in contact with a grounding conductor formed on the vehicle body when the connection unit is disposed on the vehicle body. Therefore, the circuit board can be directly connected to the ground via the conductor member only by disposing the connection unit on the vehicle body.

A group of electric wires of a first wire harness assigned to a first divided region is identified for each pattern as a necessary electric wire having a connection counterpart in a second divided region adjacent to the first divided region among the divided regions and an extra electric wire not having a connection counterpart in the second divided region. It is determined, out of connectors connected to a group of the electric wires of the first wire harness, that a connector is an unmated connector when all electric wires connected to the connector are the extra electric wires.

Method for determining unmated connector and program

A structure of mounting a grommet according to one embodiment includes: the grommet with: a cylindrical portion for covering a wire harness inserted into a panel hole formed at a panel; and a cylindrical portion provided at an end portion of the cylindrical portion and adhered tightly to the panel in such a manner as to cover an edge portion of the panel hole. When the grommet is mounted to the panel, the cylindrical portion is disposed on a room inside, and the wire harness and the cylindrical portion are upwardly inclined.

Growing community of inventors

Makinohara, Japan

Jin Watanabe