Abstract: A vibration motor includes a stationary portion including a casing, a substrate disposed above a bottom portion of the casing, and a coil disposed above the substrate and wound with a conductive wire in a circumferential direction, a vibrating body that includes a magnet and weight and that is supported so as to be capable of vibrating up and down with respect to the stationary portion, and an elastic member disposed between bottom and lower end portions of the vibrating body, in which a lead-out portion led out from the coil is connected to the substrate at a connection portion, a lower end portion of the weight includes at least one protrusion protruding downward, and the protrusion, as viewed in an axial direction, is disposed at a radial position on a radial-direction outer side of the lead-out portion and the connection portion and in a region overlapping the elastic member.

Abstract: In a vibration motor, a substrate is disposed on a base plate, a coil is disposed on the substrate, and a magnet is disposed so as to be accommodated in an inner peripheral side of the coil having an annular shape by vibration. A back yoke is disposed on the magnet, a weight is disposed on the back yoke, and a case accommodates the coil, the magnet, the back yoke, and the weight. An elastic member is disposed between the case and the weight. The base plate, the case, the magnet, the back yoke, and the weight are each formed to have a rectangular shape including long sides that extend in a first direction orthogonal to a vertical direction and short sides that extend in a second direction orthogonal to the vertical direction and the first direction in a top view.

Abstract: A back yoke of a vibration motor has a rectangular top surface portion, a long side protrusion portion that protrudes downward from a long side portion of the top surface portion, and a short side protrusion portion that protrudes downward from a short side portion of the top surface portion. The short side protrusion portion has a protrusion amount smaller than that of the long side protrusion portion. A portion of a lead wire extending from the short side of a coil is disposed below the short side protrusion portion.

Abstract: A coil fixing structure includes a substrate, which has a thickness in a vertical direction, and a coil, which is wound around an axis extending in a vertical direction and fixed to the substrate. The substrate includes a conductor portion and an insulating portion disposed on the conductor portion. The conductor portion includes a first land portion and a second land portion, which are exposed from an upper surface of the substrate. A first lead wire drawn from the coil has an end portion connected to the first land portion. A second lead wire drawn from the coil has an end portion connected to the second land portion. When viewed in a plan in the vertical direction, the first land portion and the second land portion are disposed to surround the coil.

Abstract: A vibration motor includes a stationary portion, a vibrating body, an elastic member, and a damper member. The elastic member includes a first extending portion, a second extending portion, a first connection portion, a second connection portion, a third extending portion, a fourth extending portion, a third connection portion, a fourth connection portion, and a fifth connection portion. The damper member includes a first longitudinal portion and a second longitudinal portion. An inner section including the first extending portion, the third extending portion, and the fifth connection portion directly opposes an upper surface of a weight in plan view in an up-down direction.

Abstract: A vibration motor includes a stationary portion including a casing, a substrate disposed above a bottom portion of the casing, and a coil disposed above the substrate and wound with a conductive wire in a circumferential direction, a vibrating body that includes a magnet and weight and that is supported so as to be capable of vibrating up and down with respect to the stationary portion, and an elastic member disposed between bottom and lower end portions of the vibrating body, in which a lead-out portion led out from the coil is connected to the substrate at a connection portion, a lower end portion of the weight includes at least one protrusion protruding downward, and the protrusion, as viewed in an axial direction, is disposed at a radial position on a radial-direction outer side of the lead-out portion and the connection portion and in a region overlapping the elastic member.

Abstract: A base portion of a vibration motor includes a first plate including a first plate recessed portion in an upper surface thereof; and a second plate arranged in the first plate recessed portion, and fixed to the first plate. One of the first and second plates is made of a magnetic metal, while another one is made of a nonmagnetic metal. An upper surface of the second plate is arranged at the same level as that of a portion of the upper surface of the first plate which lies adjacent to and along the first plate recessed portion. The second plate includes an annular second plate support portion centered on a central axis; and a plurality of second plate projecting portions arranged to project radially inward or radially outward from the second plate support portion, and arranged in a circumferential direction at a position vertically opposed to a magnet portion.

Abstract: A vibration motor includes a base portion arranged to extend perpendicularly to a central axis extending in a vertical direction; a magnet portion fixed above the base portion, and arranged to point in the vertical direction; a vibrating portion including a coil portion arranged radially opposite to the magnet portion, and arranged around the magnet portion to vibrate in the vertical direction; a cover portion arranged to cover upper and lateral sides of the magnet portion and the vibrating portion, and fixed to the base portion; an elastic member arranged around the magnet portion between an inner surface of an upper portion of the cover portion and an upper portion of the vibrating portion, and arranged to extend radially inward in a downward direction from the inner surface of the upper portion of the cover portion; at least one adhesive layer fixed to an upper surface of the vibrating portion, and arranged in a circumferential direction below the elastic member; and at least one viscous body in a paste, a

Abstract: In an exemplary preferred embodiment of the present disclosure, a vibration motor comprises a base portion, a magnet, and a vibrator portion, a cover portion, and an elastic member. The base portion expands perpendicular to a vertical center axis. The magnet is a single member which is fixed to an upper side of the base portion in the vertical direction. The vibrator portion is disposed around the magnet and vibrates in a vertical direction. The cover portion covers upper and side portions of the magnet and the vibrator portion. The cover portion is fixed to the base portion. The elastic member is disposed between an upper inner surface of the cover portion and a top portion of the vibrator portion. The vibrator portion includes a coil portion and a mass portion. The coil portion faces the magnet in a radial direction. The mass portion is fixed to the coil portion. The magnet includes a plurality of magnetic pole pairs and a non-magnetic portion.

Abstract: A vibrating motor includes a stationary portion, a vibrating body, and an elastic member. The stationary portion includes a casing, a coil, a first yoke, and a second yoke. The vibrating body includes a magnet on a radially outer side of the second yoke. The vibrating body is supported so as to be able to vibrate vertically with respect to the stationary portion. The elastic member is disposed between the casing and the vibrating body. The first yoke has a vertically extending columnar shape. The first yoke is fixed to the casing and disposed on a radially inner side of the coil. The second yoke includes a bottom and a wall. The bottom has a thickness in the vertical direction and is disposed on the coil. The wall extends downward from an outer rim of the bottom and faces an outer circumferential surface of the coil in the radial direction.

Abstract: A coil fixing structure includes a substrate, which has a thickness in a vertical direction, and a coil, which is wound around an axis extending in a vertical direction and fixed to the substrate. The substrate includes a conductor portion and an insulating portion disposed on the conductor portion. The conductor portion includes a first land portion and a second land portion, which are exposed from an upper surface of the substrate. A first lead wire drawn from the coil has an end portion connected to the first land portion. A second lead wire drawn from the coil has an end portion connected to the second land portion. When viewed in a plan in the vertical direction, the first land portion and the second land portion are disposed to surround the coil.

Abstract: A vibration motor, comprising a base portion which expands perpendicular to a vertical center axis, a magnet portion which is securely mounted on an upper side of the base portion in a vertical direction, a vibrator portion which is disposed around the magnet portion and vibrates vertically, a cover portion which is fixed to the base portion and covers upper and side portions of the magnet portion and the vibrator portion, an elastic member which is disposed between an upper inner surface of the cover portion and a top portion of the vibrator portion, and a circuit board which is flexible and coupled to a top surface of the base portion and a bottom portion of the vibrator portion, wherein the vibrator portion includes a coil portion which faces the magnet portion in a circumferential direction, and a mass portion which is fixed to the coil portion, the base portion includes a base protrusion which protrudes from the cover portion to a radially outer side, and the circuit board includes a lower terminal porti

Abstract: A back yoke of a vibration motor has a rectangular top surface portion, a long side protrusion portion that protrudes downward from a long side portion of the top surface portion, and a short side protrusion portion that protrudes downward from a short side portion of the top surface portion. The short side protrusion portion has a protrusion amount smaller than that of the long side protrusion portion. A portion of a lead wire extending from the short side of a coil is disposed below the short side protrusion portion.

Abstract: A vibration motor includes: a stationary portion which has a base plate, substrate, coil, and case; a vibrating body which has a magnet, back yoke, and weight and is supported by the stationary portion so as to be capable of vibrating in a vertical direction; and an elastic member. In a vibration motor, a substrate is disposed on a base plate, a coil is disposed on the substrate, and a magnet is disposed so as to be accommodated on an inner peripheral side of the coil having an annular shape by vibration. A back yoke is disposed on the magnet, a weight is disposed on the back yoke, and a case accommodates the coil, magnet, back yoke, and weight. An elastic member is disposed between the case and the weight. The substrate has a penetration region which penetrates vertically therethrough at least on an inner peripheral side of the coil.

Abstract: A vibration motor includes a stationary portion, a vibrating body, an elastic member, and a damper member. The elastic member includes a first extending portion, a second extending portion, a first connection portion, a second connection portion, a third extending portion, a fourth extending portion, a third connection portion, a fourth connection portion, and a fifth connection portion. The damper member includes a first longitudinal portion and a second longitudinal portion. An inner section including the first extending portion, the third extending portion, and the fifth connection portion directly opposes an upper surface of a weight in plan view in an up-down direction.

Abstract: In a vibration motor, a substrate is disposed on a base plate, a coil is disposed on the substrate, and a magnet is disposed so as to be accommodated in an inner peripheral side of the coil having an annular shape by vibration. A back yoke is disposed on the magnet, a weight is disposed on the back yoke, and a case accommodates the coil, the magnet, the back yoke, and the weight. An elastic member is disposed between the case and the weight. The base plate, the case, the magnet, the back yoke, and the weight are each formed to have a rectangular shape including long sides that extend in a first direction orthogonal to a vertical direction and short sides that extend in a second direction orthogonal to the vertical direction and the first direction in a top view.

Abstract: A vibration motor includes a stationary portion, a vibrating body, an elastic member, and a damper member. A back yoke is disposed on a magnet. A weight is disposed on the back yoke. The elastic member is disposed between a case and the weight. The weight has a rectangular shape having long sides in a first direction and short sides in a second direction in top view, the first direction being orthogonal to an up-down direction, the second direction being orthogonal to the up-down direction and the first direction. The damper member is disposed between the case and the elastic member. The damper member contacts the elastic member when the vibrating body is in a stationary state.

Abstract: A base portion of a vibration motor includes a first plate including a first plate recessed portion in an upper surface thereof; and a second plate arranged in the first plate recessed portion, and fixed to the first plate. One of the first and second plates is made of a magnetic metal, while another one is made of a nonmagnetic metal. An upper surface of the second plate is arranged at the same level as that of a portion of the upper surface of the first plate which lies adjacent to and along the first plate recessed portion. The second plate includes an annular second plate support portion centered on a central axis; and a plurality of second plate projecting portions arranged to project radially inward or radially outward from the second plate support portion, and arranged in a circumferential direction at a position vertically opposed to a magnet portion.

Abstract: A vibration motor includes a base portion arranged to extend perpendicularly to a central axis extending in a vertical direction; a cover portion arranged above the base portion, and fixed to an outer edge portion of the base portion; a lower bearing portion fixed to the base portion; an upper bearing portion fixed to the cover portion; a shaft arranged to extend along the central axis, and having a lower end portion and an upper end portion rotatably supported by the lower bearing portion and the upper bearing portion, respectively; a rotor holder attached to the shaft; a magnet portion including a plurality of magnetic poles, and attached to the rotor holder; an eccentric weight attached to the rotor holder; a circuit board arranged above the base portion; and a coil portion attached onto the circuit board, and arranged vertically opposite to the magnet portion with a space therebetween.

Abstract: A vibration motor includes a base portion, a magnet portion, an annular vibrating portion including a coil portion, and a mass portion, the vibrating portion being arranged around the magnet portion; a cover portion fixed to the base portion, and arranged to cover upper and lateral sides of the vibrating portion; and an annular elastic member arranged between the cover portion and the vibrating portion, and joined to both the upper portion of the cover portion and the vibrating portion. An inner edge portion of the elastic member is arranged radially inward of an inner circumferential edge of the mass portion. The inner edge portion of the elastic member includes a positioning portion defined therein. An outer surface of the upper portion of the cover portion includes a joint portion indicating a position at which the cover portion and the elastic member are joined to each other.