239 results about "Tweeter" patented technology

The invention discloses a loudspeaker which comprises a bass basin stand, a bass vibrating diaphragm, a bass magnetic circuit assembly, a first bass voice coil, an extension framework, a second bass voice coil and a high pitch unit. An avoiding hole is formed in the axial center area of the bass vibrating diaphragm; the bass magnetic circuit assembly is provided with a first magnetic gap and a second magnetic gap which are coaxially arranged, and a magnetic saturation area is formed in the axial center areas of the first magnetic gap and the second magnetic gap. The first bass voice coil is suspended in the first magnetic gap; the extension framework is connected with the first bass voice coil and the second bass voice coil, and the second bass voice coil is suspended in the second magnetic gap; the high-pitch unit penetrates through the avoidance hole and is installed on the low-pitch magnetic circuit assembly, the high-pitch unit is at least partially located in the magnetic saturation area, and the high-pitch unit and the second low-pitch voice coil share the magnetic flux of the magnetic saturation area; magnetic energy recycling is achieved without adding extra magnetic steel, the second bass voice coil is also located in the magnetic saturation area and shares magnetic flux with the high pitch unit, and synchronous enhancement of low frequency and high frequency is achieved.

A multimedia device having a housing that includes a display screen, two tweeters, two mid-range drivers, and two woofers, which are integrated into the housing. Both woofers are disposed at a first distance from a center vertical axis of the housing in opposite horizontal directions, both tweeters are disposed at a second distance from the center vertical axis in the opposite horizontal directions, and both mid-range drivers are disposed at a third distance from the center vertical axis in opposite horizontal directions. In addition, both the first and second distances are greater than the third distance.

The utility model provides a double-ring waveguide horn sound box, which comprises a sound box shell, a bass assembly comprises a bass loudspeaker and a bass waveguide horn, the bass loudspeaker is arranged on the sound box shell in a penetrating manner, the bass waveguide horn is arranged on the bass loudspeaker and is positioned at one end of the bass loudspeaker, which is positioned outside the sound box shell, and the bass waveguide horn is positioned at the other end of the bass loudspeaker. The high-pitch assembly comprises a high-pitch loudspeaker and a high-pitch waveguide horn, the high-pitch loudspeaker is arranged on the sound box shell in a penetrating manner, the high-pitch waveguide horn is arranged on the high-pitch loudspeaker and located at one end, located outside the sound box shell, of the high-pitch loudspeaker, and the low-pitch waveguide horn and the high-pitch waveguide horn are arranged on the sound box shell in a staggered and superposed manner. According to the utility model, the bass waveguide horns and the treble waveguide horns are arranged on the sound box shell in a staggered and superposed manner, so that the up-down propagation direction of treble is compressed by bass, and the propagation direction of the treble is transversely diffused, thereby enabling the transverse diffusion of the treble to be wider, further increasing the listening position of the sound box, and improving the listening effect of the sound box. And the hearing feeling of the user is improved.

The invention relates to a loudspeaker unit for arrangement in a motor vehicle, a method for producing the loudspeaker unit, a covering element with the loudspeaker unit and a motor vehicle which has at least one loudspeaker unit or a covering element. The loudspeaker unit (1) is intended for arrangement in a motor vehicle and comprises a tweeter (10) and a support element (20) with a grid structure (30) and an upper material (40) connected to the support element (20).

The utility model discloses an audio playing module and sound equipment, the module comprises a circuit board, a base and a double voice coil woofer arranged on the base, the base is provided with an avoidance port, the base is provided with a mounting rack at the avoidance port, the mounting rack is provided with a first tweeter and a second tweeter, the volume of the product can be effectively reduced, and the volume of the product is reduced. And a user can conveniently carry, use and install. The double-voice-coil woofer is provided with a first voice coil and a second voice coil, and the audio interface, the first voice coil, the second voice coil, the first tweeter and the second tweeter are all electrically connected with the circuit board. The circuit board is used for carrying out decoding, frequency division and amplification on an audio signal input by the audio interface and then respectively transmitting the audio signal to the first voice coil, the second voice coil, the first tweeter and the second tweeter, so that the first tweeter, the second tweeter and the double-voice-coil woofer play audios of different frequency bands, and the layering sense of the played sound effect is improved.

A new high-fidelity speaker includes a cabinet outer wall, a front partition and a side partition, the front partition and the side partition are arranged in the cabinet outer wall, the side edge of the front partition abuts against the side partition, the remaining edges of the front partition abut against the inner surface of the cabinet outer wall, the internal space surrounded by the cabinet outer wall is divided into a mid-high sound cavity, a bass cavity and a sound guide cavity, one side of the side partition is the sound guide cavity, and the opposite side is the mid-high sound cavity and the bass cavity, a high-pitched speaker port and at least one medium-pitched speaker are opened on the cabinet outer wall part corresponding to the mid-high sound cavity to install the speakers; a bass sound guide port is opened on the cabinet outer wall part corresponding to the sound guide cavity, the bass sound guide port is adjacent to the aforementioned at least two openings distributed on both sides of the side partition; the part of the side partition corresponding to the bass cavity is opened with a bass port to install a bass speaker towards the sound guide cavity, and the bass cavity forms a closed cavity. The speaker has good bass diving, sound image positioning, resolution and small space size.

The invention discloses a sound production module and electronic equipment, the sound production module comprises a module shell, a sound production single body and a retaining wall structure, and the side part of the module shell is provided with a sound outlet hole; the sound production monomer is arranged in the module shell and is matched with the module shell to form a front sound cavity communicated with the sound outlet hole; the retaining wall structure at least comprises a first shielding part located on the side, close to the sound outlet hole, of the sound guide hole, a sound cavity corresponding to and communicated with the sound guide hole is formed in the side, away from the sound outlet hole, of the first shielding part, and sound transmission channels corresponding to the bass radiation area are formed between the two ends, in the extending direction, of the first shielding part and the inner side face of the module shell. The two sound transmission channels are communicated with the sound cavity, and sound waves generated by the high-pitch vibrating diaphragm assembly are transmitted into the sound cavity through the sound guide hole, are transmitted through the two sound transmission channels, and then are transmitted out through the sound outlet hole. While ensuring that the audible sound frequency band performance is not reduced, the high pitch is effectively expanded to the ultrasonic frequency band, the ultrasonic frequency band performance is effectively improved, the high-frequency performance can be improved, the sound quality is improved, and the low-frequency performance is not influenced.

An adjustable loudspeaker includes a housing, an adjustment assembly, and a loudspeaker assembly. The shell comprises a shell body, a rotating groove, a pressing ring fixing hole, a gear mounting table, a lead screw fixing hole and a guide limiting column. The adjusting assembly comprises a rotating assembly and a lifting base. The rotating assembly comprises a rotating gear ring, a gear and a lead screw. And the rotating gear ring is movably arranged in the rotating groove. One end of the lead screw is movably inserted into the lead screw fixing hole, and the other end of the lead screw is fixedly connected with the gear. The lifting base comprises a base body and a horn assembling cylinder. The loudspeaker assembly is fixedly arranged on the loudspeaker assembling cylinder. A sound amplification assembly is arranged on the loudspeaker assembly, one end of the sound amplification assembly is fixedly connected with the opening end of the shell, and the other end of the sound amplification assembly is fixedly connected with the lifting base. And the base main body is screwed on the screw rod and moves up and down along the axial direction along with the rotation of the screw rod so as to drive the folding horn to be unfolded or folded.

The utility model relates to a coaxial loudspeaker and a sound box, the coaxial loudspeaker comprises a loudspeaker main body and a guide plate, the loudspeaker main body comprises an alto loudspeaker and a tweeter, and the tweeter and the alto loudspeaker are coaxially arranged; the flow guide plate is arranged at the bottom of the loudspeaker body, an airflow channel is arranged on one side, facing the loudspeaker body, of the flow guide plate, the airflow channel is communicated with the air holes of the alto loudspeaker and the air holes of the tweeter, the airflow channel comprises a center channel and a plurality of branch channels, the center channel is located in the middle of the flow guide plate, and one end of each branch channel is communicated with the center channel. And the other end of the branch channel extends towards the edge of the guide plate and is communicated with the outside. According to the coaxial loudspeaker provided by the utility model, the airflow channel is arranged, the sub-channels are dispersed from the center of the guide plate to the periphery, each sub-channel can absorb noise of a specific frequency and efficiently absorb noise behind the unit, and up to 99% of noise generated in a space behind the unit is effectively reduced, so that purer and clearer real tone quality is brought.

A coaxial speaker includes a tweeter assembly, a woofer assembly, and a frame. The tweeter assembly is used to generate treble sound with a primary propagation direction along a first direction. The woofer assembly is used to generate bass sound with a primary propagation direction along the first direction. The woofer assembly includes a sound guide portion, which faces the tweeter assembly. The treble sound generated by the tweeter assembly, having a primary propagation direction along the first direction, is guided by the sound guide portion to propagate in a second direction. The tweeter assembly and woofer assembly are coaxially arranged, and the second direction is different from the first direction. The tweeter assembly and woofer assembly are mounted on the frame.

A coaxial speaker including a basket frame, a magnetic circuit system, a woofer vibration system, and a tweeter vibration system. The magnetic circuit system is provided with a cavity, a tweeter magnetic gap, and a woofer magnetic gap. The woofer vibration system includes a woofer diaphragm and a woofer voice coil. The tweeter vibration system includes a tweeter diaphragm and a tweeter voice coil. The woofer magnetic gap includes a first magnetic gap and a second magnetic gap, and the woofer voice coil includes a first voice coil and a second voice coil. The magnetic circuit system includes a magnetic yoke, a main magnetic portion, a first sub-magnetic portion, and a second sub-magnetic portion. The main magnetic portion includes a first magnet, a second magnet, a third magnet, and a main pole core. The main core includes a first plate portion, a second plate portion, and a wall portion.

The utility model discloses a sealing structure of a special-shaped sound cavity, which belongs to the technical field of sound boxes and comprises an upper shell assembly and a lower shell assembly, the upper shell assembly is positioned above the lower shell assembly, two ends of one side of the upper shell assembly are respectively provided with a woofer and a tweeter, and the lower end of the interior of the lower shell assembly is provided with a vibrating diaphragm. Fixing screws are arranged on the three sides of the lower end of the lower shell assembly, installation of the sealing structure can be completed through mutual splicing of the upper shell assembly and the lower shell assembly, positioning and pre-fixing can be carried out through matching of the protruding ribs and the grooves and matching of the male buckles and the female buckles, meanwhile, fixing is carried out through the fixing screws, a user can carry out assembling conveniently, and the sealing structure is convenient to use. And the dispensing glue is filled in the groove, so that the air tightness and the reliability are improved.

1. The name of the product of this design: Rotating tweeter (YG11‑4D). 2. Purpose of the product of this design: speakers used for sound playback in cars. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model provides a constant curvature acoustic horn with variable direction, which relates to the technical field of loudspeakers, and comprises a tweeter and a fish-mouth-shaped horn arranged on one side of the tweeter, and a phase plug for balancing sound waves is arranged in the horn. The fastening unit is arranged on the surface of the horn; and the bottom box is fixedly connected with the horn through a fastening unit. According to the utility model, the angle of the diffusion surface can be adjusted through the finger hole, the bottom box and the adjustable diffusion surface can rotate through the rotating shaft fixing piece and the rotating shaft, and the angle-adjustable limiting hole and the spring positioning screw can limit the angle when the bottom box and the adjustable diffusion surface are rotated and adjusted, so that the sound is consistent and uniform in a large range; according to the utility model, more natural and accurate sound quality performance is provided, through the tweeter, the horn and the phase plug which are arranged in a double-unit manner, the performance of the whole sound system is improved, and the sound quality surface is more uniform.

A driving device, a rotating assembly, a decoration assembly and a loudspeaker are arranged, the driving device comprises a stepping motor, a small gear and a rotating large gear, the rotating assembly comprises a rotating body support, a rotating body lower cover plate and a rotating rising fixing support, and a rotating track is arranged on the inner wall of the rotating large gear. A protruding block matched with the rotating track is arranged on the outer wall of the rotating ascending fixing upper support, when the stepping motor drives the rotating large gear to rotate through the small gear, the rotating large gear ascends and descends and drives the decoration assembly to ascend and descend at the same time, a groove position is formed between the rotating large gear and the rotating body support, and damping grease is poured into the groove position. And then the rotating main body and the lower cover plate are combined and fixed to complete damping grease sealing, so that a closed body is formed, the structural action that the rotating main body and the lower cover plate rotate and rise to a preset position at first and then rotate slowly at an existing speed can be achieved, and the user experience can be effectively improved.

The utility model discloses a compact sound box, which is used for solving the technical problems that the overall height of the conventional three-frequency-division sound box is large and the compact design cannot be realized. The compact sound box comprises a box body, a first loudspeaker assembly and a bass loudspeaker which are arranged along the horizontal direction are arranged in the box body, and the first loudspeaker assembly comprises a high pitch loudspeaker and a middle pitch loudspeaker which are arranged along the height direction of the box body. Through the above design, the overall height of the sound box can be effectively reduced, and the compact design of the sound box can be realized, so that the sound box can be suitable for a scene with a small placement space.

The invention discloses a portable sound box for a vehicle, and the sound box comprises a quick-release fixed seat which is installed and fixed in a passenger compartment of the vehicle, and the quick-release fixed seat is provided with a power supply connecting seat and a quick-release linkage assembly; the sound box shell is mounted on the quick-release fixing seat and is fixed through a quick-release linkage assembly, and meanwhile, an electric connecting part at the bottom of the sound box shell is in butt joint conduction with the power supply connecting seat; the inner core control box is installed in the sound box shell, a bass loudspeaker is installed at the top of the inner core control box, at least one alto loudspeaker is installed at one end of the inner core control box, a high pitch loudspeaker is installed at the position between the upper sides of the alto loudspeakers, a control circuit board is installed on the lower portion of the inner side of the inner core control box, and a loudspeaker is installed on the control circuit board. A battery box is installed on the lower side of the control circuit board, and side voice diaphragms are installed on the front side and the rear side of the inner core control box. The vehicle-mounted sound box can solve the problems that an existing vehicle-mounted sound box is inconvenient to disassemble and assemble, installation and fixation in a vehicle are not firm, and the sound box effect is poor.

The utility model discloses an information board and tweeter combined device for bridge safety warning, which comprises an information board main body, a mounting end for fixing the position of the information board main body and a loudspeaker main body fixedly arranged on the information board main body, and a display controller is arranged on one side of the information board main body. A driving assembly is arranged between the information board main body and the mounting end, and a buffer sleeve is arranged in the driving assembly and used for linearly moving the information board main body in a reciprocating mode to strikingly remind a driver of warning content; a loudspeaker body is arranged in the information board body, a sound amplifying cover is arranged outside the loudspeaker body in a sleeving mode, a wireless transmitter connected with the display controller is arranged on one side of the loudspeaker body and used for transmitting warning sound to a driver in time, and an alarm flash lamp connected with the display controller is arranged on the information board body and located at the display end of the information board body. The information board and tweeter combined device can be used for obviously reminding a bridge-crossing driver and transmitting warning information to the driver in time.

A portable light speaker suitable for camping, comprising a base, a mounting column arranged on the base, a woofer arranged in the base, a top cover arranged on the upper end of the mounting column, a tweeter arranged in the top cover, and a lighting unit arranged in the mounting column; the top cover is provided with a handle, and a transparent cover is provided between the top cover and the base. The principle of the utility model: the kerosene lamp shape design is adopted, and the tweeter and the woofer are integrated together, so that the product has the functions of lighting and a speaker; the lighting unit is arranged in the middle position and emits light in 360 degrees, the tweeter is arranged at the top, and the woofer is arranged at the bottom, so that the lighting area is larger and the sound effect of the speaker is guaranteed.

A coaxial loudspeaker comprises a tweeter assembly, a woofer assembly, and a frame. The tweeter assembly is used to produce high-frequency sound with a primary propagation direction along a first direction. The woofer assembly is used to produce bass sound with a primary propagation direction along the first direction. The woofer assembly includes a sound guide facing the tweeter assembly. The high-frequency sound produced by the tweeter assembly, which has a primary propagation direction along the first direction, is guided by the sound guide to propagate in a second direction. The tweeter and woofer assemblies are arranged coaxially, and the second direction of propagation differs from the first. The tweeter and woofer assemblies are mounted on the frame.

The utility model discloses a vehicle door high pitch loudspeaker installation support which comprises a support body, the support body is provided with an installation column hole, and the installation column hole is suitable for installing a loudspeaker of a vehicle. The positioning concave columns are located at the two opposite ends of the mounting column hole and communicated with the mounting column hole, and the positioning concave columns are provided with locking holes; the left positioning connecting plate and the right positioning connecting plate are located on the left side and the right side of the mounting column hole respectively, main positioning holes are formed in the centers of the left positioning connecting plate and the right positioning connecting plate, and main guide columns are arranged on the back faces of the left positioning connecting plate and the right positioning connecting plate. The loudspeaker is limited through the mounting column holes of the support body, then the positioning concave columns at the two ends are matched with the left positioning connecting plate and the right positioning connecting plate for locking and positioning, and stability is enhanced. The positioning concave columns are located at the two opposite ends and conduct the installation column holes at the same time, the loudspeaker body is installed more tightly, and stability is better.

The utility model provides a sound box with a variable directional angle and a constant curvature, which relates to the technical field of loudspeakers and comprises a box body. A variable-direction constant-curvature acoustic horn for loading a loudspeaker unit, wherein the variable-direction constant-curvature acoustic horn for loading the loudspeaker unit is arranged at the upper part of the inner cavity of the box body; the woofer unit is arranged in the inner cavity of the box body; and the heat dissipation units are arranged on the two sides of the box body. The variable-direction constant-curvature acoustic horn loaded with the tweeter unit, the woofer unit and the like are arranged in the box body, so that wider sound field coverage is provided, the uniformity of sound transmission in a wide area is ensured, the standing wave reflection problem is reduced, the high-frequency response is smoother, and the sound quality fidelity is kept; through the rear hanging screws, the top and bottom hanging screws and the like on the box body, the installation angle of the sound box can be adjusted according to requirements, and different sound field requirements can be met.

A surrounding pneumatic type high pitch unit and loudspeaker comprises a top frame, a base, a vibrating diaphragm and a magnet assembly, the top frame and the base are oppositely arranged up and down, the magnet assembly and the vibrating diaphragm are annularly arranged, the upper and lower ends of the magnet assembly and the vibrating diaphragm are arranged between the top frame and the base, and the vibrating diaphragm is arranged on the outer side of the magnet assembly; in addition, the vibrating diaphragm is arranged in a wrinkled mode. According to the utility model, the comprehensive corrugated vibrating diaphragm is designed around the magnet assembly, the corrugated design is uniformly distributed and surrounds the base, and the annular magnet is used as the induction drive of the magnetic core. All-directional sound diffusion is formed, sound waves are synchronously diffused by 360 degrees, the sound directivity can be effectively reduced through the surrounding type sound output structure, the uniformity of a sound field is enhanced, and better use experience and application are achieved. The device is high in practicability and has high popularization significance.

The embodiment of the invention discloses a multi-loudspeaker array and a sound field partition control method of a vehicle cabin. The multi-loudspeaker array comprises a plurality of bass loudspeakers, a plurality of alto loudspeakers, a plurality of treble loudspeakers, a plurality of headrest loudspeakers, one or more mega bass loudspeakers and a plurality of surround loudspeakers. The bass loudspeaker, the alto loudspeaker and the treble loudspeaker are distributed in a plurality of areas of a vehicle cabin and are used for forming a sound field covering a full frequency band; the headrest loudspeaker is arranged at the position of a seat headrest and used for making sound to a corresponding seat in a near-field mode. The mega bass loudspeaker is arranged in the rear area of the vehicle cabin and used for supplementing low-frequency signals; the surround loudspeaker is arranged in the rear area of the vehicle cabin and used for forming a sound field surrounding the vehicle cabin. According to the embodiment of the invention, through the distributed layout and function division of the high-density multi-loudspeaker array, the sound fields of different seats are independently constructed and do not interfere with each other, a hardware basis is provided for partition control, and personalized audio requirements are met.

The utility model provides an aluminum basin high pitch loudspeaker, which comprises a loudspeaker body, the loudspeaker body is sequentially provided with T iron, magnetic steel, a washer, a positioning ring and a basin stand from bottom to top, the positioning ring is provided with a vibration assembly, the vibration assembly comprises a supporting plate, a buffer pad, a vibrating diaphragm, a voice coil and a wiring terminal, and the middle part of the supporting plate is provided with a round hole. The bottom surface of the buffer pad is connected with the top surface of the supporting plate, the bottom surface of the vibrating diaphragm is connected with the top surface of the buffer pad, the top of the voice coil penetrates through the circular hole to be connected with the vibrating diaphragm, the two ends of the supporting plate are provided with the wiring terminals, the wiring terminals are connected with the voice coil through leads, the basin frame is in a horn shape, sound generated by vibration of the vibrating diaphragm is amplified through the basin frame, and the effective transmission range of high frequency can be widened. And the phase cone is arranged in the center of the top of the basin stand, so that the sound wave interference can be reduced by the phase cone, the high-frequency directivity can be enhanced, and higher loudness and better definition can be kept at a longer distance.

The invention is applicable to the technical field of audio playing equipment, and provides a sound box with a high pitch turbine structure, which comprises a box body, and a bass unit mounting position, a suspension rubber ring and a coaxial positioning ring are integrally formed on the front surface of the box body, the bass unit and the treble unit are coaxially embedded in the mounting position through the coaxial positioning ring and the suspension rubber ring; according to the sound box, through the design of the integrated structure and the involute vortex air channel on the front face of the box body and in cooperation with the nanometer damping layer and the elastic damping structure, high-frequency compression distortion and resonance distortion are greatly reduced, meanwhile, the high frequency is extended to 30 KHz or above through the 2.5 frequency division design, and more music details and overtones are restored; the coaxial positioning ring is used for guaranteeing the coaxiality of the bass unit and the hanging rubber ring, and the combined structure of the bottom phase guide tube and the central cone and the filtering grating assembly with the interval of 5mm-8mm are combined, so that ultralow-frequency 360-degree uniform diffusion and accurate filtering are realized, and the pain points of low-frequency turbidity and poor directivity of a traditional phase-inverted sound box are solved.

The invention discloses a sound production device and electronic equipment, and relates to the technical field of electroacoustic transduction, the sound production device comprises a high-pitch unit, a waveguide piece and a scattering piece, the high-pitch unit is provided with a vibrating diaphragm, the waveguide piece is provided with a waveguide cavity, a throat part and a mouth part, the throat part and the mouth part are communicated with the waveguide cavity, the throat part is connected to the high-pitch unit, and the scattering piece is connected to the high-pitch unit. The vibrating diaphragm is arranged in the waveguide cavity and surrounds the outer periphery of the vibrating diaphragm, the scattering part is arranged in the waveguide cavity and is opposite to the vibrating diaphragm at an interval, a through hole is formed between the periphery of the scattering part and the inner wall of the waveguide cavity, the scattering part is further provided with a through hole, and the through hole is located on the outer side of the through hole and is spaced from the through hole. The sound production device is simple in structure and convenient to install, the directivity control frequency range of the waveguide can be effectively widened, and the conditions of sound pressure loss and distortion in the non-axial direction are avoided.

The present invention discloses an earphone, wherein a transverse partition located within the earphone cavity separates the earphone cavity into an acoustic cavity and an external cavity. A speaker unit comprises: a speaker bracket, a woofer and a tweeter mounted within the speaker bracket. The speaker unit is mounted within the acoustic cavity and separates the acoustic cavity into a front acoustic cavity and a rear acoustic cavity. The rear acoustic cavity is isolated into a bass rear acoustic cavity connected to the woofer and a treble rear acoustic cavity connected to the tweeter. The housing body is provided with a sound outlet connected to the front acoustic cavity, a bass tuning hole connected to the bass rear acoustic cavity, and a treble tuning hole connected to the treble rear acoustic cavity. The present invention provides treble and woofer speakers in the earphone, and employs independent sound leakage cavities to optimize airflow paths for different frequency bands, avoid frequency band interference, isolate low-frequency energy, and maintain high-frequency clarity. The independently designed sound leakage cavities can retain a complete frequency response curve.

The invention discloses folding sound equipment with a multichannel stereo scene, and relates to the technical field of sound equipment, the folding sound equipment comprises a sound equipment body, tweeters are symmetrically and fixedly mounted on the surface of the sound equipment body, a display is mounted in the middle of the surface of the sound equipment body, and a handle is fixedly connected to the top surface of the sound equipment body. The sound equipment comprises a sound equipment body, foot pads are symmetrically and fixedly connected to the bottom surface of the sound equipment body, storage grooves are formed in the two sides of the sound equipment body, shells are rotatably connected to the interiors of the storage grooves, and bass horns are fixedly installed on the inner walls of the shells. According to the invention, the structure is reasonable, the position of the shell can be conveniently fixed through the buckle assembly, and the microphone can be conveniently taken and placed through the cooperative use of the storage assembly and the limiting assembly.

The utility model relates to a precision mould for forming a plastic product with a special slider and terminal points, belongs to the thermoplastic plastic forming mould field, relates to a plastic mould for forming a plastic product with a special slider and embedded parts, and is mainly applied to the core parts of active bass and high-pitched loudspeakers of new energy vehicles. Through the application of the detachable slider structure, the terminal can be quickly and accurately installed, the VDI spark pattern is changed by the slider to change the material flow position, the FIP dispensing implementation process is smoothly carried out, and through the nano coating treatment on the slider insert, the terminal port position is smoothly demoulded, so that the product can be efficiently and stably produced.