Abstract: A terminal metal fitting (10) includes a tubular box portion (11) receiving a counterpart terminal; a terminal spring (16) extending from an inner wall surface of the box portion (11) to press and contact to the counterpart terminal; and a deformation restriction portion (17) restricting deformation of the terminal spring (16) within a preset range when the terminal spring (16) contacts to the counterpart terminal. The deformation restriction portion (17) has a chamfered portion (17a) as a portion to contact to the terminal spring (16).

Abstract: A terminal metal fitting (10) includes a tubular box portion (11) receiving a counterpart terminal; a lock hole (14) formed through a wall (11a) of the box portion (11) and receiving the lock projection (25); a terminal spring (16) extending from an inner wall surface of the box portion (11) to press and contact to the counterpart terminal; and a supporting point portion (15) formed at a portion around the lock hole (14) to have a cantilevered-shape. The supporting point portion (15) serves as a supporting point (15a) when the terminal spring (16) contacts to the counterpart terminal.

Abstract: A connector includes a terminal including an electric contact portion having a lock end edge at a rear end thereof in an insertion direction and a wire connection portion having a core wire caulked portion; a housing having an insertion opening on a rear end surface thereof and a terminal accommodation chamber to accommodate the terminal inserted from the insertion opening; a flexible lock piece integrally formed with the housing and having a lock surface locking the lock end edge of the terminal inserted into the terminal accommodation chamber; an inclined surface formed on the flexible lock piece, pressed by the terminal during insertion, and moving the lock surface in an unlocking direction; and a recessed clearance portion formed on the inclined surface and having a bottom surface located farther from the core wire caulked portion of the insertion-completed terminal and the vicinity thereof than the inclined surface.

Abstract: A terminal includes a box, the box of the terminal connected to an electric wire includes a ceiling plate and an inner plate. The ceiling plate includes a front ceiling plate and a rear ceiling plate formed by a notch. The rear ceiling plate includes a projection part engagement surface provided by the forming of the notch. The inner plate includes a projection part. In a state where the ceiling plate and the inner plate are superimposed, the projection part and the projection part engagement surface are engaged with each other.

Abstract: In a terminal accommodating chamber provided in a housing of a connector, a terminal to which an electric wire is connected is accommodated. The terminal is held by the engagement between a locking face of a lance molded in a terminal accommodating chamber and a locking target face provided in a box portion of the terminal. The locking target face is provided in a front ceiling plate molded by notching a ceiling plate of the box portion in a width direction to reach a facing plate outer face. The locking face and the locking target face are engaged with each other within a range wider than a facing plate inner face width of the facing plate.

Abstract: A connector includes a housing provided with a terminal chamber, a terminal accommodated in the terminal chamber and having a terminal-connecting portion and a wire-connecting portion, and a locking lance flexibly provided in the terminal chamber and having a locking portion. A plate portion is provided in the terminal-connecting portion. A hole portion is provided in the plate portion. An engagement surface to be engaged with the locking portion is provided on an edge portion of the hole portion. Chamfered portions are provided at edges of the hole portion on both sides of the engagement surface, and are inclined toward an inside of the hole portion. Supplemental engagement surfaces to be engaged with the locking portion in a detachment direction of the terminal from the terminal chamber are provided at parts of the engagement surface where the chamfered portions are located.

Abstract: A connector includes a housing provided with a terminal chamber, a terminal accommodated in the terminal chamber and having a terminal-connecting portion and a wire-connecting portion, and a locking lance flexibly provided in the terminal chamber and having a locking portion. A plate portion is provided in the terminal-connecting portion. A hole portion is provided in the plate portion. An engagement surface to be engaged with the locking portion is provided on an edge portion of the hole portion. Chamfered portions are provided at edges of the hole portion on both sides of the engagement surface, and are inclined toward an inside of the hole portion. Supplemental engagement surfaces to be engaged with the locking portion in a detachment direction of the terminal from the terminal chamber are provided at parts of the engagement surface where the chamfered portions are located.

Abstract: A connector, for being joined to a mating connector, includes a housing. The housing includes a housing main body and a lock arm with an engagement protrusion. The housing main body is formed with a terminal accommodation chamber configured to accommodate a terminal and extending along a joining direction in which the connector is joined to the mating connector. The lock arm extends from a front end side of the housing main body to a rear end side of the housing main body along the joining direction. The lock arm is connected integrally with the front end side of the housing main body. The housing main body is formed with a through hole which extends along the joining direction and is disposed at a connecting part of the housing main body where the lock arm is connected to the housing main body.

Abstract: A connector includes a female terminal having a tubular electric connection portion, and a housing having a terminal receiving chamber. The electric connection portion includes a bottom wall, side walls, a plate spring, a top wall overlaid on an outer side of the plate spring, a plurality of top wall holding protrusions overlaid on an outer side of the first side wall, and lock portions provided contiguously with the top wall holding protrusions and locked at the reception holes of the first side wall. An inner wall of the terminal receiving chamber of the housing includes an engagement groove provided in a recessed manner along a direction in which the female direction is inserted into the terminal receiving chamber. The engagement groove engages with the top wall holding protrusions on the outer side of the first side wall to guide the insertion of the female terminal.

Abstract: A connector includes a female terminal having a tubular electric connection portion, and a housing having a terminal receiving chamber. The electric connection portion includes a bottom wall, side walls, a plate spring, a top wall overlaid on an outer side of the plate spring, a plurality of top wall holding protrusions overlaid on an outer side of the first side wall, and lock portions provided contiguously with the top wall holding protrusions and locked at the reception holes of the first side wall. An inner wall of the terminal receiving chamber of the housing includes an engagement groove provided in a recessed manner along a direction in which the female direction is inserted into the terminal receiving chamber. The engagement groove engages with the top wall holding protrusions on the outer side of the first side wall to guide the insertion of the female terminal.

Abstract: A connector includes a housing including a terminal reception chamber in which a terminal can be received, and a front holder that is attached to the housing so as to double-lock the terminal in the terminal reception chamber, wherein the front holder includes a plate-like rib portion extending in a direction crossing a fitting direction of the front holder, the housing includes a groove portion and a mountain-like protrusion portion in a mounting position where the front holder is mounted, the groove portion being recessed into a shape that can receive the rib portion while supporting the rib portion, the groove portion extending in a direction in which the rib portion extends, the protrusion portion protruding in an extension direction of the groove portion and extending in the fitting direction of the front holder.

Abstract: A connector includes a terminal, a housing body haying a terminal housing chamber inside which the terminal is housed, an opening portion formed at an outer peripheral surface of the housing body, a retainer having a locking protrusion that protrudes into the terminal housing chamber to lock the terminal housed in the terminal housing chamber when the retainer is fitted to the opening portion, and a hinge that connects the retainer to the housing body so as to allow the retainer to turn between an open position at which the opening portion is opened and a closed position at which the retainer is fitted to the opening portion to close the opening portion. When the retainer is in the closed position, an outer surface of the retainer is flush with the outer peripheral surface of the housing body.

Abstract: A connector includes a terminal, a housing body haying a terminal housing chamber inside which the terminal is housed, an opening portion formed at an outer peripheral surface of the housing body, a retainer having a locking protrusion that protrudes into the terminal housing chamber to lock the terminal housed in the terminal housing chamber when the retainer is fitted to the opening portion, and a hinge that connects the retainer to the housing body so as to allow the retainer to turn between an open position at which the opening portion is opened and a closed position at which the retainer is fitted to the opening portion to close the opening portion. When the retainer is in the closed position, an outer surface of the retainer is flush with the outer peripheral surface of the housing body.

Abstract: A connector, for being joined to a mating connector, includes a housing. The housing includes a housing main body and a lock arm with an engagement protrusion. The housing main body is formed with a terminal accommodation chamber configured to accommodate a terminal and extending along a joining direction in which the connector is joined to the mating connector. The lock arm extends from a front end side of the housing main body to a rear end side of the housing main body along the joining direction. The lock arm is connected integrally with the front end side of the housing main body. The housing main body is formed with a through hole which extends along the joining direction and is disposed at a connecting part of the housing main body where the lock arm is connected to the housing main body.

Abstract: A connector includes a rib provided in a male terminal housing chamber of a male connector and configured to suppress a relative displacement of a male terminal to the male terminal housing chamber by being brought into contact with the male terminal and a rib provided in a female terminal housing chamber of a female connector and configured to suppress a relative displacement of a female terminal to the female terminal housing chamber by being brought into contact with the female terminal. The rib is formed so as to start to come into contact with the male terminal at a tab exit port side position than a position where a required insertion force becomes maximum. The rib is formed so as to start to come into contact with the female terminal at a tab insertion port side position than a position where the required insertion force becomes maximum.

Abstract: A female terminal fitting is provided with a lance hole at a given position in the longitudinal direction of a bottom wall portion thereof, a latching groove of a lance portion formed inside a terminal housing cavity of a connector housing being resiliently inserted into the lance hole, and with a latching protrusion formed at a hole edge portion on the front end side of the lance hole, an end edge of a retaining portion inserted in the lance hole abutting and latching on the latching protrusion. The latching protrusion includes a conical portion gradually expanding its diameter from a vertex on the front side toward a rear end on the hole edge portion side of the lance hole, a cylindrical portion integrally formed at the rear end edge of the conical portion, and a cutout portion with a part of the conical portion is cut out.

Abstract: A connector includes a rib provided in a male terminal housing chamber of a male connector and configured to suppress a relative displacement of a male terminal to the male terminal housing chamber by being brought into contact with the male terminal and a rib provided in a female terminal housing chamber of a female connector and configured to suppress a relative displacement of a female terminal to the female terminal housing chamber by being brought into contact with the female terminal. The rib is formed so as to start to come into contact with the male terminal at a tab exit port side position than a position where a required insertion force becomes maximum. The rib is formed so as to start to come into contact with the female terminal at a tab insertion port side position than a position where the required insertion force becomes maximum.

Abstract: A connection terminal includes a terminal fitting part that fits with a leading end portion of a mating connection terminal, a square tubular part that continues to a rear end of the terminal fitting part and a lance engagement surface that is formed on the square tubular part and that, when the connection terminal is inserted into a terminal accommodation hole of a connector housing, is contacted to a projected part of a lance provided in the terminal accommodation hole to prevent the connection terminal from disengaging from the terminal accommodation hole. The lance engagement surface is a hook-shaped engagement surface that is formed by an opening across a top wall of the square tubular part facing the lance and a sidewall part continuing to a side edge of the top wall.

Abstract: A female terminal fitting is provided with a lance hole at a given position in the longitudinal direction of a bottom wall portion thereof, a latching groove of a lance portion formed inside a terminal housing cavity of a connector housing being resiliently inserted into the lance hole, and with a latching protrusion formed at a hole edge portion on the front end side of the lance hole, an end edge of a retaining portion inserted in the lance hole abutting and latching on the latching protrusion. The latching protrusion includes a conical portion gradually expanding its diameter from a vertex on the front side toward a rear end on the hole edge portion side of the lance hole, a cylindrical portion integrally formed at the rear end edge of the conical portion, and a cutout portion with a part of the conical portion is cut out.

Abstract: In a connector of the invention, a female housing 30 which is adapted to accommodate a female connector terminal includes a female terminal locking lance (32) which prevents the dislocation of a female connector terminal accommodated in a female terminal accommodation hole (31), a tab insertion opening (33) through which a tab is inserted into a terminal fitting portion of the female connector terminal held in the female terminal accommodation hole (31), and a tapered guide surface (34) which is formed on an opening edge of the tab insertion opening (33), and further, the female terminal locking lance (32) is formed so as to deviate in a widthwise direction of the female connector terminal with respect to a center axis (C31) of the female terminal accommodation hole (31).