Yazaki Corporation

Yoshinori Ishikawa

Shinya Onoda

Takahiro Shiohama

Tomomi Endo

Ryosuke Ohfuku

Tatsumasa Itagaki

Naoto Taguchi

Motofumi Kato

Yoshinori Kitano

A housing includes a housing main body provided with a terminal holding portion including a terminal accommodating chamber configured to accommodate a terminal, a retainer assembled to the terminal holding portion of the housing main body, and an annular seal member mounted to a tubular seal mounting portion formed on an assembly side to the retainer in the housing main body. The retainer includes an engaging piece protruding in a direction of assembling to the housing main body. The engaging piece is inserted into an inner side of the seal mounting portion and abuts on an inner surface of the seal mounting portion.

Housing with an engaging piece

A housing is configured to be fitted to a mating housing, the housing including a cylindrical hood into which a fitting protrusion of the mating housing is fittable, the cylindrical hood being configured such that, when the fitting protrusion is fitted into the cylindrical hood, a space between the cylindrical hood and the fitting protrusion is sealed with an annular seal member provided on the fitting protrusion. The cylindrical hood includes, at a distal end of the cylindrical hood from which the housing is fitted to the mating housing, a cylindrical seal portion configured to contact, when the fitting protrusion is fitted into the cylindrical hood, an edge of the mating housing continuously over an entire circumference of the edge and to cover the edge between the cylindrical seal portion and the edge.

Housing

A female terminal includes a housing main body, a sealing member mounted to the fitting protrusion of the housing main body and sealing between the fitting protrusion and the fitted hood portion of a male housing, and a lock arm including a cantilever-shaped elastic arm portion extending from an outer peripheral surface of the housing main body to a fitting side with the male housing and having a locking portion engaged with and/or disengaged from a locking protrusion formed on the male housing. A protective wall integrally provided at a base of the elastic arm portion is formed on an outer surface of the housing main body, and is provided over the housing main body at a position in the housing main body facing a gap between the hood portion and the housing main body when the fitting protrusion of the housing main body is fitted to the hood portion.

Connector housing having sealing member and protective wall

A connector includes a first housing, a second housing, and a fitting assurance member attached to the second housing and movable relative to the second housing in a state in which the first housing and the second housing are fitted to each other. The first housing includes a lock protrusion, and a first inclined surface and a second inclined surface. The first inclined surface and the second inclined surface are provided on opposite sides. The second housing includes a lock arm to lock the lock protrusion in the fitted state. The fitting assurance member includes a first repulsive arm to generate repulsive force when the first repulsive arm is elastically deformed by the first inclined surface during a fitting operation. The second housing includes a second repulsive arm to generate repulsive force when the second repulsive arm is elastically deformed by the second inclined surface during the fitting operation.

Connector

A fuse unit for connecting a battery, including a fuse element having an external connection plate part to which a screw terminal fitting is screwed, a resin-made fuse housing for supporting the fuse element, and a rotation regulating part for stopping rotation of the screw terminal fitting screwed to the external connection plate part, the rotation regulating part includes a terminal abutting part which is formed by folding one edge of the external connection plate part and stops the rotation by abutting on one side edge of the screw terminal fitting, and a cover part which is formed integrally to the fuse housing and covers a back surface of the terminal abutting part.

Fuse unit for connecting battery

A busbar includes a plurality of main terminals (upstream side terminal, downstream side terminals) and one auxiliary terminal conductively connected to one of the main terminals and is press-formed in an integrated manner. The auxiliary terminal is connected to the main terminals through connection bars which are all cut off, except for one, in a cutting process after a pressing process, and the circuit configuration can be changed by selectively cutting off the connection bars. Therefore, there is no need to change the shape of a press die, and the production efficiency can be improved using a die having a uniform shape.

Busbar

An electric connection block is provided with a bus bar formed from a press-formed product of a metal plate member and a resin-made housing insert molded integrally with the bus bar. The bus bar is provided with a flat plate-shaped main plate part and a standing terminal erected by bending a base end connected to a portion of the main plate part relative to the main plate part. The electric connection block is manufactured by insert molding the housing integrally with the bus bar in a before-bending state where the standing terminal is located on the same plane as the main plate part, and bending the base end of the standing terminal to thereby erect the standing terminal relative to the main plate part after the insert molding of the housing.

Method of manufacturing electrical connection block

A connection portion of a locking member is bent such that the connection portion is made apart from a second upper surface portion as the connection portion is made apart from a first arm portion, and is bent such that the connection portion is made apart from a side surface portion as the connection portion is made apart from a second arm portion. Even when a tolerance is generated in a direction substantially orthogonal to the side surface portion at the time of installing a base body in an installation surface portion of a battery, it is possible to absorb the tolerance by deforming the connection portion, and to lock a locked portion in a lower end edge.

Affixed object, fusible link, and affixing structure for fusible link

Provided is a fusible link unit (electrical component unit) including a fusible link (electrical component), a battery terminal fixed to an electrode post (electrode) of a battery, and a support member formed as a different body from the battery terminal and fixed to the battery, the support member supporting the fusible link (electrical component), in which the fusible link (electrical component) includes a main link body (main electrical component body) and a power supply terminal made of conductive metal to be exposed from the main link body (main electrical component body) and electrically connected to the electrode post (electrode) through the battery terminal, and the support member supports the main link body (main electrical component body) such that the main link body extends in an orthogonal direction substantially orthogonal to an installation surface portion.

Electrical component unit, fusible link unit, and fixing structure

A battery terminal includes a terminal body and a component terminal. The terminal body is connected to a rod-like electrode which projects from a terminal mounting surface of a battery and extends toward an outer periphery of the terminal mounting surface. An external fuse (electrical component) is connected to the component terminal. The terminal body and the component terminal are formed by being cut integrally from a single plate made of a conductive metal.

Battery terminal

A battery terminal includes a terminal main body provided in opposed plates thereof as a pair, formed by folding approximately in a U shape a strip plate made of a conductive metal, respectively with electrode insertion holes in which a rod-like electrode projecting from a terminal attaching surface in a battery is sequentially inserted, and formed to extend toward an outer edge of the terminal attaching surface at time of being connected to the rod-like electrode, and a joint joining the pair of the opposed plates in a state in which the opposed plates surface-contact and overlap each other on an opposite side of a folded part as seen from the electrode insertion hole.

Battery terminal, fuse unit, and method for manufacturing fuse unit

A fuse unit includes: a bus bar including a plurality of fusible parts interposed between a power supply side terminal and a plurality of load side terminals; and an insulating resin portion formed by insert molding using the bus bar as an insert component. The insulating resin portion includes: first and second resin portions respectively arranged at peripheries on the sides of the power supply side terminal and the load side terminals with respect to the fusible parts; and a plurality of coupling portions coupling the first resin portion and the second resin portion in a position outside each of the fusible parts. Each of the coupling portions is formed such that a reinforcement portion having a lower heat shrinkage rate than the insulating resin portion and having a higher strength than the insulating resin portion is an insert component. The reinforcement portion is provided using the bus bar.

Fuse unit

A protective cap protects a fusible link formed with a connection hole. A protective cap part is disposed on an extension of an axis of a stud bolt of a power source. The protective cap part is formed with a tool insertion hole into which a tool used for fitting a nut with the stud bolt is inserted. The stud bolt is inserted through the connection hole. A nut holder is provided inside the protective cap part. The nut holder holds the nut in a state where an axis of the nut is parallel to the axis of the stud bolt.

Growing community of inventors

Makinohara, Japan

Yoshinori Ishikawa