A moving core type reciprocating motor is provided that may include a stator on which a coil may be wound and having an air gap; a magnet fixed to the stator; and a mover that includes a moving core disposed to face the magnet in the air gap and reciprocates with respect to the stator. The magnet may have a first pole and a second pole that are different poles arranged in a reciprocation direction of the mover, and a length of the first pole may be larger than a length of the second pole.

This invention provides a magnetic balance structure and a magnetic balance linear vibration motor, the structure comprises: a counter weight, a positioning element, a first positioning magnet, a shell and a shaft, the positioning element is set on the counter weight or the shell, and the positioning element is set with the first positioning magnet face-to-face; the shaft is set on the shell; the interaction of the positioning element with the first positioning magnet causes the counter weight to do reciprocating motion along the shaft at the same level. The motor comprises: a shell, the shell is internally provided with: a stator, a rotor and a shaft, the stator comprises a drive coil, when the drive coil is powered up, driving the rotor cutting its magnetic lines of force, generate driving force, and driving the rotor to do reciprocating linear motion along the shaft; the positioning element and the first positioning magnet are respectively set on the rotor or the shell; the rotor does reciprocating linear motion along the shaft at the same horizontal plane under the driving force and the interaction of the positioning element and the first positioning magnet. The invention using the magnetic principle to replace the mechanical spring to achieve good vibration, makes processing and assembly simple, prolongs the service life, and reduces the noise.

This invention provides a magnetic balance structure and a magnetic balance linear vibration motor, the structure comprises: a counter weight, a positioning element, a first positioning magnet, a shell and a shaft, the positioning element is set on the counter weight or the shell, and the positioning element is set with the first positioning magnet face-to-face; the shaft is set on the shell; the interaction of the positioning element with the first positioning magnet causes the counter weight to do reciprocating motion along the shaft at the same level. The motor comprises: a shell, the shell is internally provided with: a stator, a rotor and a shaft, the stator comprises a drive coil, when the drive coil is powered up, driving the rotor cutting its magnetic lines of force, generate driving force, and driving the rotor to do reciprocating linear motion along the shaft; the positioning element and the first positioning magnet are respectively set on the rotor or the shell; the rotor does reciprocating linear motion along the shaft at the same horizontal plane under the driving force and the interaction of the positioning element and the first positioning magnet. The invention using the magnetic principle to replace the mechanical spring to achieve good vibration, makes processing and assembly simple, prolongs the service life, and reduces the noise.

A vibration motor includes a fixed member, a vibration unit, and an elastic member. The vibration unit includes a first weight, a second weight, and a magnet sandwiched by the first and second weights. The motor further includes a first positioning guiding member including a first weight guiding rail, a first base guiding rail, a first movement rail formed by the first weight guiding rail and the first base guiding rail, and a plurality of magnetic bodies disposed at one side of the first movement rail; a second positioning guiding member including a second weight guiding rail, a second base guiding rail, a pair of second movement rails formed by the second weight guiding rail and the second base guiding rail, and a magnetic body disposed between the second movement rails.

A sliding mechanism includes a case, a sliding assembly mounted in the case and a stopping assembly. The sliding assembly includes a sliding member and a driving member supplying power for the sliding member. The stopping assembly includes a resisting portion mounted in the case, two first sliders and a pushing portion positioned on the resisting portion, and two first elastic portions. The resisting portion includes two slant surfaces. The first elastic portions resist the first sliders and the resisting portion. The first sliders are driven by the pushing portion to move along the slant surfaces of the resisting portion and away from the resisting portion, thereof compressing the first elastic portions. The first sliders are driven by the elastic forces of the first elastic portions to move along the slant surfaces and toward the sliding member, thereof clamping the sliding member.

A sliding mechanism includes a case, a sliding assembly mounted in the case and a stopping assembly. The sliding assembly includes a sliding member and a driving member supplying power for the sliding member. The stopping assembly includes a resisting portion mounted in the case, two first sliders and a pushing portion positioned on the resisting portion, and two first elastic portions. The resisting portion includes two slant surfaces. The first elastic portions resist the first sliders and the resisting portion. The first sliders are driven by the pushing portion to move along the slant surfaces of the resisting portion and away from the resisting portion, thereof compressing the first elastic portions. The first sliders are driven by the elastic forces of the first elastic portions to move along the slant surfaces and toward the sliding member, thereof clamping the sliding member.

A linear motor includes: a movable element including a permanent magnet; a stator including a coil positioned to face the permanent magnet; and a linear guide configured to guide the movable element to move linearly. A support portion provided on the linear guide and a holding portion provided on the movable element to correspond to the support portion are fitted and thereby the movable element is attached to the linear guide. The coil includes a yoke having a plate shape and a winding wire wound around the yoke. The winding wire is continuously wound around the yoke to include a first region where the winding wire is wound around the yoke in a first winding direction and a second region where the winding wire is wound around the yoke in a second winding direction opposite to the first winding direction.

The present invention discloses a massage device based on a novel linear motor, including a motor end cover, a motor assembly, and a massage assembly, wherein the motor end cover consists of a first end cover and a second end cover, the motor assembly is located between the end covers and includes a magnetic guide core, a holding through cavity is formed in a core of the magnetic guide core, clamping slots are formed in two side walls of the holding through cavity, winding cores are mounted in the clamping slots, winding frames are mounted on the winding cores, a mover bracket is disposed in the holding through cavity, a strong magnet is clamped in the mover bracket with an axial end on which a transmission push rod is disposed, and the massage assembly is connected to the transmission end of the motor assembly.

A movable core-type reciprocating motor and a reciprocating compressor having a movable core-type reciprocating motor are provided. The motor may include a stator including an inner stator and an outer stator; a magnet coil wound between the inner stator and the outer stator; a magnet fixed to at least one of the inner stator or the outer stator so as to be at least partially positioned within a range of the air gap; and a mover including a movable core disposed in the air gap and made of a magnetic material to perform a reciprocation movement with respect to the stator.

A movable core-type reciprocating motor and a reciprocating compressor having a movable core-type reciprocating motor are provided. The motor may include a stator including an inner stator and an outer stator; a magnet coil wound between the inner stator and the outer stator; a magnet fixed to at least one of the inner stator or the outer stator so as to be at least partially positioned within a range of the air gap; and a mover including a movable core disposed in the air gap and made of a magnetic material to perform a reciprocation movement with respect to the stator.