Abstract: A busbar module unit includes a busbar module that is made of a resin and retains a plurality of first conductors and two second conductor, a wiring path that accommodates a plurality of voltage detection wires, a terminal accommodating portion that accommodates connection terminals of a power cable, and a cover member that is connected to the busbar module via a hinge portion. The terminal accommodating portion is integrally formed with the cover member. The wiring path is arranged so as to intersect at least one of the connection terminals. The cover member has a first face and a second face opposite to the first face, the first face opposes the wiring path when the cover member is folded back via the hinge portion. The terminal accommodating portion is formed on the second face.

Abstract: A connector 1 has a housing 4 including a side wall 42 extending vertically from a base plate 41 and a pair of projections 45 projecting from the side wall, and a lever 5 including a pair of plate members 50A having a guide groove 53 and a plate connecting member 50B connecting the pair of plate members. The lever is positioned from a release position to a slide start position, at which the surface of the base plate is in parallel to the lengthwise direction of the guide groove 53, and slid along the lengthwise direction of the guide groove 53. A first surface 5a at a side apart from the guide groove is vertical to a slide direction at the slide position and a second surface 5b at a side near to the guide groove is vertical to a connecting direction Z at the release position.

Abstract: An instrument box and a terminal block including a resin housing and a bus bar are provided. The resin housing has a housing body fixed to a box wall surface; and a bus bar housing formed integrally with the housing body and inserted into an insertion hole of the box wall surface. The bus bar has a bus bar body inserted into the insertion hole with fitted in the resin housing and housed in the bus bar housing; a first terminal connecting portion on one side of the bus bar body to connect with the cable terminal end outside the instrument box; and a second terminal connecting portion on another side of the bus bar body to connect with the terminal inside the instrument box.

Abstract: A connector for determining whether or not to having been disengaged from the mating connector 2 to be exploded includes a housing including a main body accommodating a terminal fitting, and a pair of projections projecting from the main body; a lever including a pair of plates provided with holes through which each of the pair of projections is passed, and the pair of plates sandwiching the main body therewithin, the lever being arranged rotatively about the pair of projections. The lever includes a label-attached part to which a label is attached, the label-attached part is provided with a plate part coupling the pair of plates to each other, the plate part has a slit open to the hole, extending toward the plate-coupling part, and the label is attached to the label-attached part so as to cover the slit.

Abstract: A power source circuit shut off device includes a plug having a terminal metal fitting and a housing to which the terminal metal fitting is attached, and a plug attachment section having a second terminal metal fitting and a second housing to which the second terminal metal fitting is attached. The housing has a second opening section at its side face perpendicular to its bottom face at a second housing side, the second opening section being adapted for attaching the terminal metal fitting to the housing. The terminal metal fitting and the second terminal metal fitting are connected to the second housing. The second housing has a closing wall which closes the second opening section in a state that the housing is positioned at the terminal contact position at which the housing is not yet accommodated in the second housing.

Abstract: A lever fitting-type connecter of the present invention has housing having a main body and a pair of projections; a lever having holes into which the projections are inserted, the lever rotated in a state that the projections are inserted into the holes from a non-fitting position before being fitted to another connector to a fitting position fitted to the other connector by rotating around the projection; an engagement receiving portion arranged in the projection so as to sandwich the lever between the main body and the engagement receiving portion; a first overlapping position arranged in the lever and overlapped with the engagement receiving portion at the non-fitting position; a second overlapping position arranged in the lever and overlapped with the engagement receiving portion at the fitting position; and an engaging portion arranged between the first and second overlapping positions and engaged to the engagement receiving portion.

Abstract: A power source circuit shut off device includes a plug having a terminal metal fitting and a housing to which the terminal metal fitting is attached, and a plug attachment section having a second terminal metal fitting and a second housing to which the second terminal metal fitting is attached. The housing has a second opening section at its side face perpendicular to its bottom face at a second housing side, the second opening section being adapted for attaching the terminal metal fitting to the housing. The terminal metal fitting and the second terminal metal fitting are connected to the second housing. The second housing has a closing wall which closes the second opening section in a state that the housing is positioned at the terminal contact position at which the housing is not yet accommodated in the second housing.

Abstract: A junction block (40) includes a generally rectangular flat plate portion (42) attached to a side surface of an assembled battery. A control device (50) is disposed over a portion of the flat plate portion (42) which includes a middle of the flat plate portion (42) and which is positionally biased toward a lower side end of the flat plate portion (42). A connector-connecting portion (47) is provided in one of the four corners of the flat plate portion (42) that is a rear end corner of an upper side end opposite the lower side end of the flat plate portion (42). A rib (48) and a connector-connecting portion (49) are provided at a location on the flat plate portion (42) at which the rib (4) and the connector-connecting portion (49) clamp the electric power cable (28) that is connected to the connector-connecting portion (47) and that is laid along the upper side of the flat plate portion (42).

Abstract: A connection unit includes a first relay connected between a first electrode of a first battery and a first power feed line towards a vehicle load, a second relay connected between a second electrode of the first battery and a second power feed line towards the vehicle load, a third relay and a current limiting resistor connected in series between the second electrode of the first battery and the second power feed line, a fourth relay connected between an electrode of a second battery having a polarity identical to the polarity of the first electrode and the first power feed line towards the vehicle load, and a conductor line connecting an electrode of the second battery having a polarity identical to the polarity of the second electrode with the second electrode of the first battery. There can be provided a connection unit suppressed in the number of components, suitable for usage in a vehicle incorporating a plurality of power storage devices, and a vehicle incorporating the connection unit.

Abstract: A downsized electric junction box and a power supply device having the same are provided. The electric junction box includes: a box main body including a connector engagement portion to be engaged with a connector and relay mount portions for mounting relays; and a wiring unit received in the box main body including mount portions mounted on a bottom wall of a lower case of the box main body and a plurality of terminal portions positioned inside the connector engagement portion and extending from the mount portions. A terminal positioning portion of the lower case includes a planar wall positioning the terminal portions on a surface thereof, extending walls extending from between the adjacent terminal portions, and parallely-projecting walls each projecting from an end of the extending wall in parallel with the planar wall. The mount portion includes a cutout portion through which the parallely-projecting wall is passed.

Abstract: An electric junction box, having a terminal portion positioned in the connector engagement portion and arranged perpendicular to a direction along which case members attach each other, which can be assembled easily without increasing the number of components and manufacturing cost is provided. Also, a power supply device having the above-described electric junction box is provided. The electric junction box includes: a box main body having a connector engagement portion and an upper case attached to a lower case in an overlapping relationship; and a bus bar received in the box main body. The lower case includes a bottom wall portion, a positioning wall and peripheral walls. The bus bar includes the terminal portion positioned in the connector engagement portion, a positioning plate portion and a mount portion. The peripheral wall includes a cutout portion allowing the positioning plate portion to move into and out from the lower case.

Abstract: A connection unit includes a first relay connected between a first electrode of a first battery and a first power feed line towards a vehicle load, a second relay connected between a second electrode of the first battery and a second power feed line towards the vehicle load, a third relay and a current limiting resistor connected in series between the second electrode of the first battery and the second power feed line, a fourth relay connected between an electrode of a second battery having a polarity identical to the polarity of the first electrode and the first power feed line towards the vehicle load, and a conductor line connecting an electrode of the second battery having a polarity identical to the polarity of the second electrode with the second electrode of the first battery. There can be provided a connection unit suppressed in the number of components, suitable for usage in a vehicle incorporating a plurality of power storage devices, and a vehicle incorporating the connection unit.

Abstract: A grommet having a mounting hole (20) extending through a wall portion (17) of an electric connection box (15) made of a conductive metal plate, a grommet (21) in which an engaging groove (24) engaging with the mounting hole (20) is formed on an outer peripheral surface of a body portion made of an elastic member having a high insulation performance and a bus bar insertion hole (23) is formed in the body portion (22) so as to be mounted to the electric connection box (15) by engaging the engaging groove (24) with the mounting hole (20), and a connection bus bar (18) extending through the bus bar insertion hole (23) so as to be held by the grommet (21) and connected to a circuit end bus bar disposed within the electric connection box (15).

Abstract: A fuse holder (24) in accordance with the present invention comprises a fuse receiving case (29) made of a thermosetting resin and receiving a fuse body (26) therewithin, a pair of fixing portion (31) integrally formed with the fuse receiving case (29) and to which a fuse terminal portion (27) is screwed together with a bus bar (32) or a terminal (34) of an end of an electric wire and a cover (30) closing an inner portion of the fuse receiving case (29). Accordingly, the fuse body is received within the fuse receiving case.

Abstract: A bolt falling prevention holder which prevents the falling of a bolt when fastening and removing a part or a member, mounted within a case, using a fastening tool, thereby enhancing the efficiency of the operation and the safety. The bolt falling prevention holder includes a hollow holder portion, and a fixing portion for fixing the holder to the case in such a manner that the holder portion is maintained at a predetermined angle, the fixing portion having a retaining hole formed in one end thereof. A bolt insertion hole is formed through a predetermined portion of the case of an electric connection box, and a retaining member for engagement with the fixing portion is mounted on the case in the vicinity of the bolt insertion hole. A projection for retaining engagement in the retaining hole is formed on an outer surface of the retaining member.

Abstract: A lock mechanism effectively used for locking, for example, an interrupting handle of an electric interrupter in an OFF position. The lock mechanism includes two plate-like lock piece portions which are juxtaposed to each other substantially in a common plane when effecting the locking, engagement grooves which are formed respectively through the lock piece portions in a direction of a thickness of the lock piece portions, and have respective openings formed respectively in their respective end surfaces which are juxtaposed to each other, and face in the same direction, and a lock ring of a square-loop shape having opposed straight portions to be fitted respectively in the engagement grooves to interconnect the two lock piece portions. When viewed in the direction of the thickness of the lock piece portions, each of the engagement grooves has an L-shape defined by an introduction groove portion and a slide groove portion.

Abstract: The present invention prevents drops of water from entering an ignition plug attaching hole through a vent hole formed for communicating an inner space of the ignition plug attaching hole with the atmosphere. A rain cover of an ignition plug attaching hole includes a cylindrical portion engaged in an ignition plug attaching hole formed in an engine head, the cylindrical portion liquid-tightly sealing the ignition plug attaching hole. A vent hole is formed in the cylindrical portion for communicating a space formed in the ignition plug attaching hole with the atmosphere. A flange portion is perpendicularly provided to the cylindrical portion so that the flange portion comes into contact with an outer surface of the engine head.