Abstract: An electromagnetic relay includes a base, a first fixed terminal including a first fixed contact, a second fixed terminal including a second fixed contact, a movable contact piece, a movable member, and a return spring. The movable contact piece includes a pair of movable contacts configured to contact the first fixed contact and the second fixed contact. The movable member is movable with the movable contact piece in a contact direction and in a separation direction. The return spring is disposed between the base and the movable member and urges the movable member in the separation direction. The base includes a guide portion to guide movement of the movable member. The movable member includes a sliding portion slidable with respect to the guide portion. The return spring is disposed inside the guide portion. The guide portion is disposed in the contact direction with respect to the first fixed contact.

Abstract: An electromagnetic relay includes a support member, a first fixed terminal, a second fixed terminal, a movable contact piece, a movable member. The support member is made of an insulating material. The first fixed terminal includes a first fixed contact and is supported by the support member. The second fixed terminal includes the second fixed contact and is supported by the support member. The movable contact piece includes a first movable contact and a second movable contact. The movable member is connected to the movable contact piece and includes a first overlapping portion made of an insulating material. The first overlapping portion is disposed between the first fixed terminal and the second fixed terminal. The first overlapping portion overlaps with the support member when viewed from a longitudinal direction of the movable contact piece in an open state where the first movable contact is separated from the first fixed contact.

Abstract: An electromagnetic relay includes a contact device, a movable member, a driving device, a return spring, and an insulating member. The contact device includes a first fixed terminal, a second fixed terminal, and a movable contact piece. The movable member presses the movable contact piece. The driving device is disposed on one side of a first direction with respect to the contact device and the movable member and moves the movable contact piece via the movable member to one side of a second direction intersecting the first direction. The return spring is disposed between the movable member and the driving device in the first direction for urging the movable member toward another side of the second direction. The insulating member separates the contact device from the driving device and has an opening where the return spring is inserted. The opening is open toward one side of the first direction.

Abstract: An electromagnetic relay includes a contact device, a driving device, an insulating member, and a cover. The contact device includes a first fixed terminal, a second fixed terminal, and a movable contact piece. The driving device generates an electromagnetic force to move the movable contact piece. The insulating member is fixedly attached to the driving device and separates the contact device from the driving device. The cover is fixed to the insulating member and defines an accommodation space together with the insulating member to accommodate the contact device. One of the insulating member and the cover includes a plurality of convex portions projecting toward the other of the insulating member and the cover. The other of the insulating member and the cover includes a plurality of concave portions to be fixed to the plurality of convex portions.

Abstract: An electromagnetic relay includes a case including a base, a first fixed terminal held by the base, a movable contact piece, a gas inflow space, and a gas passage. The first fixed terminal includes a first fixed contact disposed apart from the base in a first direction inside the case, a contact support portion disposed between the first fixed contact and the base and configured to support the first fixed contact, and a first extending portion extending at an angle from the contact support portion and penetrating the base in the first direction. The movable contact piece includes a first movable contact facing the first fixed contact in the first direction. The gas inflow space is formed between the base and the contact support portion inside the case. The gas passage penetrates the base in the first direction and communicates the gas inflow space with an outside of the case.

Abstract: An electromagnetic relay includes a first fixed terminal, a second fixed terminal, a movable contact piece, a case, a magnet, and a gas flow path. The first fixed terminal includes a first fixed contact. The second fixed terminal includes a second fixed contact. The movable contact piece includes a first movable contact and a second movable contact. The case includes an accommodation space where the first fixed contact, the second fixed contact, and the movable contact piece are accommodated, a gas inflow space separate from the accommodation space, and a side wall covering the accommodation space and the gas inflow space in a first direction. The magnet is disposed between the accommodation space and the gas inflow space. The gas flow path is disposed between the side wall of the case and the magnet and is configured to communicate the accommodation space with the gas inflow space.

Abstract: An electromagnetic relay includes a case, a fixed terminal, and a female screw member. The fixed terminal includes an external connecting portion. The external connecting portion has a screw insertion hole, exposed to the outside from the case, and configured to be screwed to an external terminal. The female screw member is prevented from rotating by the case. The case includes a held portion that is held between the external connecting portion of the fixed terminal and the female screw member in a direction of penetration of the screw insertion hole, the direction of penetration including a first direction from the external connecting portion toward the female screw member and a second direction from the female screw member toward the external connecting portion.

Abstract: An electromagnetic relay includes a first fixed terminal, a first fixed contact, a second fixed terminal, a second fixed contact, a first movable contact, a second movable contact, a movable contact piece, a drive device, an outer magnet, and an inner magnet. The second fixed terminal is disposed apart from the first fixed terminal in a first direction. The first movable contact and the second movable contact are disposed to face the first fixed contact and the second fixed contact, respectively, in a second direction. The outer magnet generates a magnetic field to elongate an arc generated between the first fixed contact and the first movable contact and between the second fixed contact and the second movable contact. The inner magnet generates a magnetic field to elongate the arc in a third direction.

Abstract: An electromagnetic relay includes a first fixed terminal, a first fixed contact, a first movable contact, a case, a first inner wall, a first gas passage, and a first magnet. The case includes a first longitudinal inner side surface and a first lateral inner surface. The first lateral inner side surface includes a first central surface and a first arc contact surface. The first arc contact surface is located between the first central surface and the first longitudinal inner side surface in the lateral direction. The first gas passage includes a first inlet facing the first arc contact surface in the longitudinal direction. The first gas passage is disposed between the first inner wall and the first longitudinal inner side surface. The first magnet elongates an arc generated between the first fixed contact and the first movable contact toward the first arc contact surface.

Abstract: An electromagnetic relay includes a first fixed terminal including a first fixed contact, a second fixed terminal including a second fixed contact, a movable contact piece including first and second contacts, a drive device including a coil, a case, and a magnet. The case includes an accommodation space accommodating the first fixed contact, the second fixed contact, and the movable contact piece, and a first arc extension space at least partially disposed between the coil and the magnet. The magnet is disposed so as to overlap with the coil in a third direction orthogonal to the moving direction and a longitudinal direction of the movable contact piece. The magnet configured to extend a first arc generated between the first fixed contact and the first movable contact and a second arc generated between the second fixed contact and the second movable contact in the longitudinal direction of the movable contact piece.

Abstract: An electromagnetic relay includes a case, a first fixed terminal including a first fixed contact, a second fixed terminal including a second fixed contact, a movable contact piece including first and second movable contacts, a first magnet, a gas flow path, and a partition member. The case includes an accommodation space and a side wall covering the accommodation space in a first direction. The accommodation space includes a first space where the first fixed contact is disposed and a second space where the second fixed contact is disposed. The first magnet configured to extend a first arc generated between the first fixed contact and the first movable contact in the first direction. The gas flow path is disposed between the side wall and the movable contact piece. The gas flow path includes an inlet communicating with the first space and an outlet communicating with the second space.

Abstract: An electromagnetic relay includes a first fixed terminal, a second fixed terminal, a movable contact piece, a movable member, a contact spring, and an electromagnet block. The movable member is configured to move in a moving direction including a first direction and a second direction. The contact spring biases the movable contact piece in the first direction. The electromagnet block includes a movable iron piece and moves the movable member in the moving direction. The movable contact piece and the contact spring are disposed in the movable member by insertion from a side opposite to a side where the electromagnet block is located. The movable member includes a first member constituted by a single member. The first member includes a press portion to be pressed by the movable iron piece in accordance with rotation of the movable iron piece, and a support portion configured to support the movable contact piece.

Abstract: An electromagnetic relay includes a base, a first fixed terminal including a first fixed contact, a second fixed terminal including a second fixed contact, a movable contact piece, a movable member, and a return spring. The movable contact piece includes a pair of movable contacts configured to contact the first fixed contact and the second fixed contact. The movable member is movable with the movable contact piece in a contact direction and in a separation direction. The return spring is disposed between the base and the movable member and urges the movable member in the separation direction. The base includes a guide portion to guide movement of the movable member. The movable member includes a sliding portion slidable with respect to the guide portion. The return spring is disposed inside the guide portion. The guide portion is disposed in the contact direction with respect to the first fixed contact.

Abstract: A housing includes a first space, a second space, a first hole, a second hole, and an arc extinguishing member. A fixed contact and a movable contact are arranged in the first space. The second space is partitioned from the first space. The first hole communicates the first space and the second space. The second hole communicates the second space with a space outside the second space. The arc extinguishing member releases an arc extinguishing gas into the first space. The second hole has a smaller opening area than the first hole.

Abstract: An electromagnetic relay includes a first fixed terminal including a first fixed contact, a second fixed terminal including a second fixed contact, a movable contact piece, a case, a drive device, and a first magnet. The movable contact piece includes a first movable contact and a second movable contact. The case includes an accommodation space and a side wall covering the accommodation space in a first direction. The first magnet extends an arc generated between the first fixed contact and the first movable contact in a second direction opposite to the first direction. The first fixed terminal includes a first end. The first end of the first fixed terminal includes a tapered portion inclined in the second direction from the first fixed contact toward the first magnet and that at least partially overlaps with the first magnet when viewed from a moving direction of the movable contact piece.

Abstract: An electromagnetic relay includes a fixed terminal, a movable contact piece, and a support portion supporting the fixed terminal. The fixed terminal includes a fixed contact, a first terminal portion on which the fixed contact is disposed, a second terminal portion extending from one of both ends of the first terminal portion, a first protrusion disposed on the second terminal portion. The fixed terminal is bent between the first and second terminal portions. The first terminal portion has a first terminal surface opposite to the movable contact piece. The second terminal portion has a second terminal surface connected to the first terminal surface. The support portion has a contact surface contacting the first terminal surface of the first terminal portion, and a first side surface including a first groove where the first protrusion is fitted. The first protrusion is disposed on the second terminal surface of the second terminal portion.

Abstract: A conveyance robot system according to the present disclosure includes a conveyance robot, and a robot control unit configured to control an operation of picking up an object performed by the conveyance robot, wherein the robot control unit determines that a movable range area, which is an area outside a safety cover where a robot arm is operated, satisfies a safety ensuring condition that can regard safety of the movable range area as equivalent to the safety inside the safety cover and allow the robot arm to perform a work while projecting toward the shelf.

Abstract: An electromagnetic relay includes a base, a contact block, an electromagnet block, a permanent magnet, and a rigid member. The base is insulating. The contact block is placed on the base. The electromagnet block is placed on the base at a space from the contact block. The permanent magnet generates a magnetic field in the contact block. The rigid member is made of a magnetic material having a higher rigidity than the base, is incorporated in the base, and suppresses a magnetic flux leakage of the permanent magnet.

Abstract: A conveyance robot system according to the present disclosure includes an intrusion detection sensor that detects an intrusion of an object into the arm opening, and a distance sensor that measures a clearance distance indicating a distance between an arm entry/exit surface and a shelf, the arm entry/exit surface being a surface of the conveyance robot in which the arm opening is provided from among surfaces of the conveyance robot 1 constituting the safety cover, and the object being stored in the shelf. The distance sensor is disposed at a fixed height of the shelf in a horizontal direction and at a height of the shelf corresponding to a part to be measured.

Abstract: An electromagnetic relay includes a first fixed terminal including a first fixed contact, a second fixed terminal including a second fixed contact, a movable contact piece including first and second contacts, a drive device including a coil, a case, and a magnet. The case includes an accommodation space accommodating the first fixed contact, the second fixed contact, and the movable contact piece, and a first arc extension space at least partially disposed between the coil and the magnet. The magnet is disposed so as to overlap with the coil in a third direction orthogonal to the moving direction and a longitudinal direction of the movable contact piece. The magnet configured to extend a first arc generated between the first fixed contact and the first movable contact and a second arc generated between the second fixed contact and the second movable contact in the longitudinal direction of the movable contact piece.