Abstract: Disclosed is a sound generator, including a bracket, a magnetic circuit system, a first vibration system, and a second vibration system. The bracket has a first opening and a second opening that face opposite directions. The magnetic circuit system is used for driving the first vibration system and the second vibration system to generate sound in different directions. The first vibration system includes a first voice coil, the second vibration system includes a second voice coil, and the magnetic circuit system includes a first magnet, a second magnet, and a third magnet. The first voice coil is sleeved on outer sides of the first magnet and the second magnet simultaneously, and the second voice coil is sleeved on outer sides of the second magnet and the third magnet simultaneously. In the present invention, the loudness of sound generated by the sound generator may be improved.

Abstract: The present disclosure provides a micro water pump, including: a housing having a base, an upper cover engaging with the base, an inner cavity, an inlet communicated with the inner cavity, and an outlet communicated with the inner cavity. A drive mechanism installed in the housing, includes a rotating shaft, an impeller arranged in the inner cavity and rotatably connected with the rotating shaft, a rotor installed in the impeller, and a stator installed in the base for driving the rotor to rotate. The upper cover includes a body part, and an accommodation slot formed by sinking from the surface of the body part close to the base; one end of the rotating shaft is embedded in the base, and the other end is accommodated in the accommodation slot. Whole strength of the micro water pump is enhanced thereby.

Abstract: Provided is a speaker, including a frame; a vibration unit fixed to the frame; and a magnetic circuit unit provided with a magnetic gap. The magnetic circuit unit includes a yoke and a magnet; the vibration unit includes a diaphragm and a voice coil; the diaphragm includes a dome and a suspension; the suspension includes an inner edge, an outer edge, a suspension portion, and an extension portion; the diaphragm includes a structural layer and a metal layer; the inner edge includes a first recess, and the extension portion includes a second recess; and the voice coil is electrically connected to the metal layer through the first recess, and the metal layer is electrically connected to an external circuit through the second recess. With this structure, an internal space of the speaker is saved, reducing material cost and improving reliability.

Abstract: The present disclosure provides a speaker, including a frame, a vibration system, a magnetic circuit system, the vibration system includes a first diaphragm and a second diaphragm which are fixed to two opposite sides of the frame, a first voice coil to drive the first diaphragm to vibrate, and a second voice coil assembly to drive the second diaphragm to vibrate. The vibration system further includes a first elastic wave assembly and a second elastic wave assembly which are fixed to the frame and are spaced from each other. The first elastic wave assembly and the second elastic wave assembly are in staggered distribution and antiphase vibration. By means of the staggered distribution of the first elastic wave assembly and the second elastic wave assembly, the first elastic wave assembly and the second elastic wave assembly make reasonable use of an internal space of the speaker.

Abstract: The present disclosure provides speaker device. speaker device includes frame, vibration unit fixed to frame and magnetic circuit unit fixed to the frame and driving vibration unit to vibrate and produce sound, where magnetic circuit unit is provided with magnetic gap; vibration unit includes diaphragm fixed to frame, holder fixed to diaphragm; holder includes bottom wall that is fixed to diaphragm and provided with pair of long edges and pair of short edges, and pair of side walls bending and extending from outer peripheries of pair of short edges of bottom wall to magnetic circuit unit; The disclosure effectively solves problem of material underflow during molding of diaphragm of speaker device. In this way, connection parts between side walls and elastic conductive assembly are prevented from being contaminated, thereby reducing risk of unstable gluing between side walls and elastic conductive assembly.

Abstract: The present disclosure provides a linear motor having a housing with an accommodation space; a vibrator accommodated in the accommodation space; and a first stator locating opposite to the vibrator and fixed to the housing. The first stator includes a first circuit board opposite to the vibrator, a first coil on a the side of the first circuit board close to the vibrator, and a first magnetic conductive sheet locating on a side of the first circuit board away from the vibrator. The linear motor further has a spring bracket supporting the vibrator in the accommodation space. The present invention is to provide a linear motor which improves the space utilization of the linear motor in a thickness direction.

Abstract: The present disclosure provides speaker device. The speaker device includes frame, vibration unit and magnetic circuit unit, where vibration unit includes diaphragm, voice coil and holder; holder includes holder body and first connecting portion; voice coil includes pair of first sides and pair of second sides; first side is provided with elastic support member fixed to frame and fixed to first connecting portion; elastic support member and first side enclose an accommodating space; magnetic circuit unit includes main magnetic body and an auxiliary magnetic body; auxiliary magnetic body includes first magnetic portion that is respectively spaced apart from first side and located in accommodating space; elastic support member include an auxiliary diaphragm; auxiliary diaphragm is provided with an avoiding groove. The present disclosure can increase volume of magnetic circuit unit to increase BL value, and can effectively reduce weight of vibration unit to improve sensitivity.

Abstract: Provided is a speaker box and a mobile terminal. The speaker box is applied to the mobile terminal and includes a shell having a receiving space and a speaker unit received in the receiving space. The shell includes a bottom shell and a metal top plate covering the bottom shell and together defining the receiving space. The metal top plate includes a main body covering one end of the sidewall away from the bottom wall and a connector extending outwards from the main body. A positioning portion is provided in the connector. The housing extends toward the connector to form a heat stake supporting and fixing the connector. The connector is fixed to the housing after hot melting of the heat stake. A stable connection between the speaker box and the mobile terminal can be achieved and mounting is fast and firm.

Abstract: The present disclosure provides a speaker including a frame, a vibration system, and a magnetic circuit system, wherein the vibration system includes a first vibration diaphragm and a second vibration diaphragm which are fixed to two opposite sides of the frame, the magnetic circuit system includes a bobbin, a magnet fixed in the bobbin and spaced from an inner wall of the bobbin, a first pole plate fixed on one side of the magnet close to the first vibration diaphragm, a second pole plate fixed to one side of the magnet close to the second vibration diaphragm, and a third pole plate fixed outside the bobbin and spaced from an outer wall of the bobbin. The first voice coil assembly and the second voice coil assembly move inside and outside in a staggered manner, which saves a Z-directional space of the speaker and achieves higher magnetic field efficiency.

Abstract: Disclosed is a sounding device, including a frame, a vibration system, and a magnetic circuit system. The magnetic circuit system has a magnetic gap. The vibration system includes a diaphragm, a framework, a voice coil, and an elastic conductor. The elastic conductor includes an elastic conductor body, a first connecting piece and a second connecting piece, a first bending arm and a second bending aim, and a first pad and a second pad. The lead wires are connected to the first pad and the second pad, the first pad and the second pad are disposed on two sides of the framework, the first bending arm is spaced from the second bending arm, and a middle section is used to increase the volumes of first auxiliary magnets, thereby improving the acoustic performance of the sounding device.

Abstract: Provided is a speaker, including a frame; a vibration unit fixed to the frame; and a magnetic circuit unit driving the vibration unit to vibrate and produce sound and provided with a magnetic gap. The vibration unit includes a diaphragm, a voice coil, and an elastic support assembly; the diaphragm includes a diaphragm body, a diaphragm fixing portion, a diaphragm supporting portion, and a reinforcing portion; the diaphragm fixing portion has a rectangular structure with round corners, and the diaphragm supporting portion is located at the round corners; the frame is provided with an assembly hole; the vibration unit further includes a fixing ring; and the elastic support assembly includes an elastic member and an auxiliary diaphragm. With this structure, the overall strength and reliability of the speaker are improved.

Abstract: A speaker device includes: a housing provided with an accommodating space, and a sounding member accommodated in the accommodating space. The sounding member includes a magnetic circuit unit and a vibration unit provided with a diaphragm. The housing includes an upper housing and a lower housing. The lower housing includes: a metal bottom wall, lower metal side walls, and, and sealing connectors respectively provided between two adjacent lower metal side walls of the plurality of lower metal side walls. An end of the lower metal side wall close to the upper housing bends and extends in a direction perpendicular to a vibrating direction of the diaphragm to form a bending edge. The bending edge and a bottom surface of the sealing connectors jointly form a sealing surface. The sealing surface is connected to the upper housing to seal. The speaker device can increase the powder filling space.

Abstract: Provided is a speaker, including: a frame, a first diaphragm and a flexible printed circuit board connected to the frame. The first diaphragm includes a first surface close to the flexible printed circuit board and arranged opposite to the flexible printed circuit board. The first surface is recessed along a direction departing from the flexible printed circuit board to form a glue slot. The first surface is connected to the flexible printed circuit board by glue to enable the glue to enter the glue slot. A thickness of the glue at a glue junction is increased to enhance strength of connection between the flexible printed circuit board and the first diaphragm to ensure reliability of mounting of the flexible printed circuit board on the first diaphragm, which may reduce a failure rate of the speaker.

Abstract: The present disclosure discloses a sounding device including a frame, a vibration system, a magnetic circuit system, and an air-permeable mesh in a ring shape. The vibration system includes a diaphragm and a voice coil. The magnetic circuit system includes a yoke, a first magnet, and a second magnet in a ring shape around and spaced apart from the first magnet for forming a magnetic gap. One end of the air-permeable mesh is fixed to the second magnet, and another end of the air-permeable mesh is fixed to the frame. A rear cavity is formed jointly by the frame, the yoke, the second magnet and the air-permeable mesh. Compared with the related art, the sounding device disclosed by the present disclosure has a better low-frequency acoustic performance.

Abstract: Provided is a speaker, including a frame; a vibration unit fixed to the frame; and a magnetic circuit unit driving the vibration unit to vibrate and provided with a magnetic gap. The vibration unit includes a diaphragm fixed to the frame and a voice coil inserted in the magnetic gap to drive the diaphragm to vibrate and produce sound; an outer periphery of the diaphragm bends and extends to form at least one fixing portion; and the at least one fixing portion extends along a vibrating direction of the diaphragm and is attached to an inner peripheral side of the frame. With this structure, the bonding strength of the frame and the diaphragm is improved, the diaphragm does not occupy an outer space of the frame, and an appearance size of the speaker is effectively controlled, thereby facilitating the miniaturization design.

Abstract: Provided is a speaker device, including a frame; a vibration unit fixed to the frame; and a magnetic circuit unit driving the vibration unit to vibrate and produce sound and including a magnetic gap. The vibration unit includes a diaphragm, a voice coil and an elastic support assembly. The frame includes a bottom wall and a side wall bending and extending from a periphery of the bottom wall of the frame, and an outer periphery of the diaphragm is fixed to the side wall. The vibration unit further includes a fixing ring configured to fix the elastic support assembly to the frame, and the fixing ring surrounds the magnetic circuit unit. The frame is made of a metal material, and the fixing ring is a metal ring fixed to the side wall of the frame by welding. With this structure, overall strength and reliability of the speaker device are improved.

Abstract: A sounding device includes a frame, and a vibration system and a magnetic circuit unit that are retained in the frame. The vibration system includes diaphragm and voice coil. The voice coil includes two first side edges and two second side edges. The magnetic circuit unit includes yoke, main magnetic body, and auxiliary magnetic body. The auxiliary magnetic body includes first auxiliary magnetic bodies each including main body portion and extension portion. The main body portion is recessed towards side surfaces of two first side edges to form grooves, the main magnetic body protrudes towards the grooves, and the pair of first side edges protrude towards the grooves, respectively. The sounding device can not only enable the auxiliary magnetic body to be more evenly surrounding the voice coil, but also enable the voice coil to have longer circumference with a same magnetic circuit area, thereby increasing BL value.

Abstract: The present invention provides an acoustic device including a frame, a magnetic circuit system, and a vibration system. The vibration system includes a diaphragm, a voice coil, and a support. The diaphragm includes a dome, a first suspension, and a second suspension. The diaphragm includes a first fixation portion, and the dome includes a dome body and a first dome extending wall bending and extending from the dome body, the first fixation portion connected to and wrapping the first dome extending wall.

Abstract: The present disclosure provides speaker device. The speaker device includes frame, vibration unit fixed to frame and magnetic circuit unit driving vibration unit to vibrate and produce sound, where magnetic circuit unit is provided with magnetic gap; vibration unit includes diaphragm, voice coil inserted in magnetic gap to drive diaphragm to vibrate and holder connected to diaphragm; side of frame close to diaphragm is at least partially embedded into diaphragm; first surface is formed on side of frame away from diaphragm; second surface is formed on side of diaphragm close to magnetic circuit unit. The present disclosure solves problem of glue overflow of holder by means of reserved space between frame and diaphragm. In addition, by using first surface of holder as supporting surface, present disclosure improves dimensional consistency of gluing with flexible printed circuit (FPC), etc., thereby improving product yield.

Abstract: The present disclosure provides a micro water pump, including: a pump body having a cavity, an inlet communicating with the cavity, and an outlet communicating with the cavity; a drive mechanism installed on the pump body for driving liquid from the inlet into the cavity and discharging from the outlet. The pump body includes a base, an upper cover engaging with the base for forming the cavity, and a barrier member. The upper cover includes a fixed wall located in the cavity. The barrier member protrudes from the fixed wall for preventing the drive mechanism from colliding and rubbing with the fixed wall during rotation. By virtue of the configuration, improved heat-dissipation performance is performed.