10 results about "Sounding board" patented technology

The utility model discloses a kind of surface sound source auxiliary sound systems, including frame, vibrating sound board, driver, sound insulation board and backboard being set to the rear side of the frame;The driver is set on the vibrating sound board, the vibrating sound board and the sound insulation board are set in the frame, the sound insulation board is set between the vibrating sound board and the backboard;First shock absorber is arranged between the vibrating sound board and the frame, second shock absorber is arranged between the sound insulation board and the frame.The surface sound source auxiliary sound system of the utility model passes through reasonable structural design, effectively blocks and absorbs the sound diffused to back, reduces the waste of sound energy, improves the propagation efficiency and directivity of sound, improves tone quality and sound propagation effect.

The utility model belongs to the field of teaching conference consonants, particularly relates to a flat-panel sound box adopting an aluminum honeycomb double-surface vibration sound production board, and aims to solve the problems that in the prior art, in order to improve low-frequency response, a wave or honeycomb sandwich layer double-surface paperboard is generally adopted as a sound production surface, so that transient response is reduced, sound is not transparent enough, and the reduction degree is poor. According to the technical scheme, the sound box comprises a sound box body, the sound box body comprises a flat-panel sound box frame body, an aluminum honeycomb double-surface vibration sound production plate and a sound box back plate, the aluminum honeycomb double-surface vibration sound production plate and the sound box back plate are arranged on the two sides in the flat-panel sound box frame body respectively, and a driver is installed on the side, located in the flat-panel sound box frame body, of the aluminum honeycomb double-surface vibration sound production plate; an existing paper sandwich panel is replaced by the aluminum honeycomb double-surface vibration sound production plate, so that medium-high frequency extension of the loudspeaker can be expanded, a transparent and pure sound production effect is generated, and the loudspeaker has very high pressure resistance, and can effectively prevent deformation, moisture and mildew.

The utility model belongs to the field of sports place equipment, particularly relates to an area sound source consonant device used in a large sports place, and aims to solve the problems that an existing sound field overflows, noise pollution is caused to the surrounding environment, the working and sleeping quality of nearby residents is seriously influenced, and the hearing of teenagers is also badly influenced, and the following scheme is provided: the area sound source consonant device comprises a fixed frame, a waterproof decoration face is fixedly arranged on one side of the fixing frame, two symmetrically-arranged mounting plates are fixedly arranged at the bottom end of the other side of the fixing frame, the same back plate is inserted between the two mounting plates, a sound absorption plate is fixedly arranged on one side of the back plate and located in the fixing frame, and two top plates are fixedly arranged at the top end of the back plate. The bottom of the top plate makes contact with the surface of the fixing frame. The vibration sounding plate is arranged on the inner side of the fixing frame. According to the utility model, the sound field range can be effectively controlled, noise disturbing residents caused by sound overflow can be prevented, people can conveniently and quickly mount and dismount the structure, and convenience is provided for later maintenance.

The application discloses a Yueqin for gezaixi, which comprises a resonance box, a sound code, a neck and a head, the front end of the resonance box is provided with a front sound board, the upper end of the resonance box is provided with the neck through a mortise and tenon joint, the top of the neck is fixedly provided with the head, and the inside of the head is provided with a peg through insertion and joint installation, the front end of the front sound board is provided with the sound code through adhesion, and the inside of the sound code is provided with a string through a sound hole. The application belongs to the technical field of Yueqin, and aims to solve the problem that the vibration of the string in the prior art is forced vibration, which causes the resonance box to lack resonance and the sound to be short, and the forced vibration is difficult to fully stimulate the resonance of the cavity, thereby obviously limiting the expansion of low and high sounds. The application achieves the technical effect of solving the problem that the resonance box lacks resonance and the sound is short, and the expansion of low and high sounds is obviously limited.

The utility model discloses a music turntable display device, which comprises a transparent plate, a side wall ring, a sound production plate and a turntable bearing, sound production needles are mounted on the sound production plate, and balls are placed on the sound production plate. According to the utility model, the side wall ring and the sounding plate are fixedly connected, the side wall ring and the transparent plate installed above define the closed main body, then the closed main body is integrally and rotatably connected with the turntable bearing, the turntable bearing is installed and fixed on the bracket, and the bracket is integrally installed and fixed on the support frame, so that the whole body formed by the side wall ring and the sounding plate can freely rotate within the range of 360 degrees; during demonstration, the side wall ring is rotated, so that the steel balls on the sounding plate impact the metal sounding needles with different lengths at different positions in the rotating process, and then a fair sound melody is made; the demonstration device is simple in overall structure and reliable in protection, the internal structure still has high stability after being used for many times, the demonstration device can be placed in public places such as science and technology museums for demonstration and free interaction, and the maintenance cost and the maintenance frequency are reduced.

The application discloses a plate sound box, which comprises a sound box shell, a large driver, a small driver and a sound board, wherein the sound box shell is a flat box body structure with an open front face and a sound board covered by first 3M double-sided adhesive tape, the small driver and the large driver are installed in the sound box shell and are attached to the sound board by second 3M double-sided adhesive tape, and the first 3M double-sided adhesive tape has two pieces, namely a first U-shaped 3M double-sided adhesive tape and a second U-shaped 3M double-sided adhesive tape, which are arranged oppositely to form a gap between the sound board and the sound box shell, the large driver is connected to the sound box shell by an elastic structure assembly in a clearance fit mode, and the design and installation mode of the plate sound box are improved to achieve better sound effect and vibration performance, especially in the aspect of low-frequency sound effect, and the design is suitable for invisible installation in a decoration wall plate and can be widely applied in the fields of home theaters, entertainment places and the like.

The utility model discloses a membrane-free washable high-tone-quality chromatic harmonica, which comprises a comb, an inflexion plate, a mouthpiece plate, an upper reed plate, a lower reed plate, an upper cover plate and a lower cover plate, the comb is arranged between the upper reed plate and the lower reed plate, the upper cover plate is positioned above the upper reed plate, the lower cover plate is positioned below the lower reed plate, the inflexion plate is positioned on the front side of the comb, the mouthpiece plate is positioned on the front side of the inflexion plate, and the mouthpiece plate is positioned on the front side of the lower reed plate. The upper reed plate and the lower reed plate at the corresponding positions of each mouthpiece of the mouthpiece plate are respectively provided with two reed grooves, the surface of one side of each reed groove is covered with a reed, the surface of the other side of each reed groove is not covered with an adhesive film, vertical partition plates are arranged in an upper air duct and a lower air duct of the fret at the corresponding position of each mouthpiece, and the fret air duct corresponding to one mouthpiece is divided into four single holes; and each single hole corresponds to the position of one spring groove on the spring plate. According to the utility model, the glue film is not used, the comb structure is improved, the four sound blowing and absorbing sub-cavities are designed in one air channel, the sound production of each reed is independent and does not influence each other, the air tightness is ensured, the sound quality is high, and the comb can be washed with water.

The utility model belongs to the technical field of the structure of the accessory of the wind instrument, specifically relates to a detachable wind instrument leather pad sound board and assembly. Include: the sound board body of magnetic attraction mode installation, the middle position of sound board body is equipped with magnetic interface. Compared with prior art, the utility model has the beneficial effects that: the sound board is designed as the magnetic attraction structure, the installation mode is changed, the sound board is replaced fast through the magnetic connection mode, the tuning and maintenance efficiency are improved significantly, the magnetic interface is installed in the magnetic cap and forms the physical positioning limiting structure, ensures that the sound board does not slip in the playing process, keeps the air tightness and rebound stability, the leather pad supporting assembly is improved, the replacement of sound board is convenient, the sound board of different material and thickness can be replaced, richer tone performance can be obtained, the individualized demand of the player is satisfied, and the leather pad is not damaged, is suitable for the demand of the modification, maintenance or high -end customization.

The utility model relates to the technical field of spark -proof silencer, specifically disclose a spark -proof silencer, including the first sleeve, the inside of first sleeve is provided with the second sleeve, and the upper end of second sleeve is connected with the air inlet pipe, the inside of second sleeve is provided with the broken gas broken sound board, and the lower end of second sleeve is installed with the air outlet pipe, positioning block is set up in the outer end of air outlet pipe, and the inner end of second sleeve is provided with the positioning structure, the upper end of air inlet pipe is installed with the connecting seat, and the inboard of connecting seat is provided with the sealing washer, the upper end of sealing washer is installed with the connector, and the upper end of connector is provided with the gas -inducing pipe. The spark -proof silencer, through the sealing treatment to the pipeline connection of spark -proof silencer, effectively avoided the situation that waste gas leaks, improved the sufficiency that waste gas carried out spark -proof silencing, positioned the movement position of fan blade simultaneously, effectively improved the stability when fan blade moved.

The invention relates to an acoustic-electric sound recording device and an electric-acoustic sound device based on a stringed musical instrument, the acoustic-electric sound recording device and the electric-acoustic sound device are formed by transforming two original stringed musical instruments with the same material property, one is used for acoustic-electric sound recording, and the other is used for an electric-acoustic sound device. Recording of the sound-electricity recording device is stored, when playing is needed, the replaced bridge of the sound-electricity sound equipment vibrates to excite resonance sound production between the strings and the guitar film or the resonance board, and the replaced bridge is composed of a piezoelectric ceramic piece or an electromagnetic loudspeaking board. The defects that sound equipment at home and abroad has no stereoscopic impression when hearing sound, a sound production material produces sound by a loudspeaker, and the sound production material produces sound by an original string material or a stereoscopic sound box are overcome.