62results about How to "Increase the amount of vibration" patented technology

A power tool includes an inner housing (50) at least partially housed within and spaced from an outer housing (30). The inner housing supports a tool (102, 302), such as a pair of shear blades, and houses a motor (80) that drives the tool. The outer housing includes a grip (14, 18) to be grasped by a user. At least one vibration insulator (71-75) can be disposed between the inner housing and the outer housing and in a manner such that the vibration insulator(s) is(are) protected by the outer housing. An intake opening (60a, 60b) and exhaust opening (64a, 64b) can be formed in the inner housing and can be shielded by respective portions of an inner surface of the outer housing.

The invention relates to a synthetic jet actuator with double films, a single chamber and a single spout. An installing surface (4) of a vibration film (6) is arranged on the surface of an inner hole at one end of a film bracket (2); the arched vibration film (6) formed by a PZT ceramic sheet (9) and an arched copper foil sheet (8) is fixed on the installing surface (4); the film brackets (2) are respectively fixed at both ends of a box body (3); the ratio of the diameter of the PZT ceramic sheet (9) to the diameter of the copper foil sheet (8) is 0.4-0.8; the ratio of the diameter of a trapezoid lower bottom of the copper foil sheet (8) to the diameter of the copper foil sheet is 0.3-0.7; the ratio of a trapezoid upper bottom of the copper foil sheet (8) to the diameter of the trapezoid lower bottom of the copper foil sheet is 0.4-0.95; and the trapezoid angle is 22 degrees-56 degrees. The invention can obtain higher amount of distortion, improves the energy conversion capacity, enables the spout to generate larger kinetic energy, and has good application prospects in the aspects of improving the lifting force of airfoils, improving the stalling characteristics of airfoils and enhancing mixing.

There is provided a vibrating actuator including: a housing including an inner space; a piezoelectric element mounted on a portion of an inner surface of the housing; a mass body disposed above the piezoelectric element; a first elastic member disposed between the piezoelectric element and the mass body to elastically support the mass body; and a second elastic member having one end joined to the housing and the other end joined to the mass body to elastically support the mass body.

A vibration damping mechanism allows increase of an absorption amount of vibration energy, with less possibilities of increase in the manufacture cost of a vibration damping weight and of reduction in the strength of a shaft section. Within a cylindrical hollow portion formed inside the shaft section, there are accommodated a plurality of weight members divided from each other along the circumferential direction about the axis of the hollow portion. An urging member is provided for urging the weight members toward the axis such that dividing faces of adjacent weight members are brought into surface contact with each other.

An engine generator having a high-rigidity rigid skeletal member. A bottom cover supports the engine/generator unit. A wall-shaped vertical frame is disposed transversely of the engine generator in a front section of the bottom cover and rising from the bottom cover front section. A T-shaped center frame extends between a rear section of the bottom cover and the vertical frame. The skeletal member includes the bottom cover, the vertical frame and the center frame.

The invention discloses an intelligent bracelet. The intelligent bracelet comprises a bracelet body, a first wrist band and a second wrist band, wherein a display screen assembly and a functional assembly are arranged in the bracelet body, and the functional assembly comprises a processor and a data collection assembly; a bending section is arranged in the middle of the bracelet body, extending sections are arranged at two ends of the bending section, and the bending radian of the bending section is matched with the shape of the human wrist; a connecting structure is arranged between the first wrist band and the second wrist band, and a wearing hole is formed among the bracelet body, the first wrist band and the second wrist band; a fastener is arranged between the two extending sections, and the fastener is hinged to one of the extending sections, and is in fastening connection with the other extending section. For the intelligent bracelet, the bracelet body is arranged to have the structure that the bending section is positioned in the middle, the extending sections are positioned at the two ends of the bending section, the wearing hole with the shape matched with that of the wrist is arranged among the bending section, the first wrist band and the second wrist band, so that the wearing is comfortable, and in addition, the fastener is arranged, so that the wearing stability is further enhanced.

The invention discloses a vibrating motor. The vibrating motor comprises a stator set, a circular rotor set and an end cover set, wherein the rotor set comprises a slotless cylindrical supporting portion, a commutator, a coil and a center shaft, the end cover set is arranged at the end of the center shaft and the end of a stator shell, the center shaft extends out of the stator shell and extends into a vibrator, the center shaft is sleeved with the vibrator, the coil is attached to the outer side of the supporting portion, the supporting portion is made of magnetism conduction materials or non-magnetism-conduction materials, and the circular commutator is arranged on the outer side of the center shaft in a cooperative mode, and is connected with the coil. According to the vibrating motor, the coil can be conveniently installed, the structure is simple, the size is micro, the vibrating motor is suitable for being attached to a PCB, and can be applied to the prompt function or the effective reminding function of communication terminal products such as a mobile phone and a tablet personal computer, it is ensured that the size of the vibrating motor is micro, a magnetic field air gap of the vibrating motor is ensured, the flux leakage phenomenon is avoided, and the vibration quantity of the vibrating motor is increased.

There is provided a holding structure to hold a vibration motor on a circuit board with a sufficient holding strength using an inexpensive and simple means such as caulking and bonding and a vibration motor held on a circuit board using the holding structure. The holding structure having a holder clamps a vibration motor body having an eccentric weight at an end of the rotation shaft around the outer periphery from the outside and supports the vibration motor at the lower part.

This invention provides a rotor for a motor and a motor that can improve durability and motor characteristics even when a cylindrical magnet and a resin are integrally formed. In the motor, projections 24 for the prevention of slip are formed on one side end surface 21 of the rotor 20. These projections 24 bite into a resin portion 30. This structure prevents the cylindrical magnet 20 from rotating against the resin portion 30, even if a small gap between the resin potion 30 and the inside circumferential surface 28 of the cylindrical magnet 20 is caused by the shrinkage of the resin portion 30 when a heat cycle test or the like is performed.

The invention discloses a novel piezoelectric vibration module. The piezoelectric vibration module is provided with a vibration plate, wherein the vibration plate is in contact with a piezoelectric body in double-sized way, the middle of the vibration plate is fixed on a bottom plate support to form a dual-cantilever structure, the two ends of the vibration plate is connected with the support, an inertia body is connected onto the support, and a shell is fixed at a bottom plate. A base plate does bending vibration under the actions of a voltage applied to the piezoelectric body, and a piezoelectric vibration scheme having high vibration magnitude is provided; two free ends of dual cantilevers are connected to a mass block through the support, and thus, the piezoelectric vibration module is stable in structure; with the mode of the dual cantilevers, large vibration quantity can be provided by a vibrator in a short length; and meanwhile, the probability of fatigue break of the piezoelectric vibration is reduced.

A vibration motor includes: a rotor having an eccentric gravity center; a shaft inserted through a bearing of the rotor; a magnet provided at a position facing the rotor, at least one commutator circumferentially formed on a lower surface of the rotor; at least one pair of brushes being in contact with the commutator; a first terminal and a second terminal connected with the one pair of brushes and exposed to the external at their lower sides so as to be in contact with an electric line; and a base as a mold for fixing the first terminal and/or the second terminal thereto.

The invention discloses a linear vibration motor, which comprises a housing with an accommodating space, a vibration assembly and a stator assembly, wherein the vibration assembly and the stator assembly are opposite in peripheral surface and arranged in the accommodating space in a mutually contactless manner, two ends of the vibration assembly are elastically connected with the inner wall of thehousing, and the stator assembly is fixedly connected with the inner wall of the housing; the stator assembly and the inner wall of the housing are further provided with one or more magnetic conductive sheets therebetween, the stator assembly comprises a flexible circuit board and a coil, the coil is arranged at the side, which faces towards the vibration assembly, of the flexible circuit board,and the one or more magnetic conductive sheets is or are arranged on the side, which is back to the vibration assembly, of the flexible circuit board. Magnetic induction lines are guided and enabled to be concentrated, thereby providing an enough driving force when the linear vibration motor is started, providing a great damping force when the linear vibration motor is stopped at the same time, and enabling the vibration motor to be quickly started and stopped. Therefore, more vibration mode design space is provided for the vibration motor so as to meet the ever-increasing market requirements.

The invention discloses a linear vibration motor and a vibration device, and relates to the field of linear vibration motors. The linear vibration motor comprises a housing, an FPC board, a coil assembly, a vibration structure and an elastic member. The FPC board is disposed inside the housing, and the coil assembly, the vibration structure and the elastic member are all disposed inside the housing. The two ends of the elastic member are respectively connected to the vibration structure and the housing, and the coil assembly is connected to the FPC board. The vibration structure comprises a first magnet, a second magnet and a vibration body, wherein the second magnet is connected to one side of the first magnet. The coil assembly stretches into the first magnet from one side, far from thesecond magnet, of the first magnet and is spaced apart from the first magnet, and the vibration body is connected to the outside of the first magnet. The vibration device employs the linear vibrationmotor described above. The linear vibration motor and the vibration device provided by the invention can increase the vibration amount and ensure that a user obtains the information in time.

The invention discloses a linear motor with a flange edge structure. The linear motor comprises an upper case and a lower cover; a spring, a mover module, a coil and a FPC board are arranged in each of the upper case and the lower cover; an upper end of the spring and the mover module are in welding connection; a first cell body for placing the FPC board is arranged on the lower cover, a first flange edge is formed at an upper end of the lower cover, multiple second cell bodies are arranged at an outside of the first flange edge, multiple third cell bodies corresponding to multiple second cellbodies are arranged at the outside of the spring, multiple inserting parts matched with the second cell bodies and the third cell bodies are arranged at the lower end of the upper case; an enduring surface matched with the spring is formed at an intersection of the inserting parts and the sidewall of the upper case. The vibration quantity of the motor is improved, the security and the reliabilityare high, the whole structure is compact and stable, the stability and a vibration effect are good, thereby improving the service life and applicable range of the motor, and the linear motor can be applied to a power source of tactile feedback of the intelligent equipment.

The invention discloses a horizontal laying machine for ceramic tiles. The horizontal laying machine comprises a main handle, a driving cavity, an auxiliary handle, a rubber suction cup, a suction cupcontrol handle, a vibration block and a vibration motor. The driving cavity is formed between the main handle and the auxiliary handle, the main handle is in the shape of a cylinder with the front end slightly thinner than the rear end, the vibration motor is arranged in the driving cavity, the vibration block is arranged at the lower end of the vibration motor, and an opening corresponding to the vibration block is formed in the lower end wall of the driving cavity. The lower end vibration block penetrates through the opening to the outside of the driving cavity, a shaft sleeve is fixedly arranged at the lower end of the vibration block, a fastening bolt is arranged outside the shaft sleeve, a rotary shaft is arranged in the shaft sleeve, a cross rod is fixedly arranged at the lower endof the rotary shaft, rubber suction cups are arranged at the left end and the right end of the cross rod, and suction cup control handles are arranged on the rubber suction cups. The vibration motor is embedded into the vibration block. According to the Horizontal laying machine for ceramic tiles for the ceramic tiles, the design of double rubber suction cups is adopted, the horizontal laying machine can adapt to the ceramic tiles of different sizes and specifications, the vibration amount of the vibration motor can be increased by arranging two eccentric blocks, and better vibration tiling work is achieved.