CN-122027957-A - Closed sound-guiding type loudspeaker structure

CN122027957ACN 122027957 ACN122027957 ACN 122027957ACN-122027957-A

Abstract

The invention discloses a closed sound guide type loudspeaker structure which comprises a loudspeaker shell, an opening and closing cover, an adjusting base and a transmission mechanism, wherein the structure capable of adjusting the opening and closing cover to drive up and down is designed, a driving annular plate is driven to rotate by adjusting the rotation of the base, the driving annular plate drives a floating annular sleeve to move up and down, the floating annular sleeve drives the opening and closing cover to move up and down through a longitudinal sound guide pipe and a transverse sound guide pipe, and the opening and closing cover is enabled to be in downward sealing contact with an upper end opening of the loudspeaker shell or be in upward separation with the upper end of the loudspeaker shell, so that the opening and closing cover can be in downward sealing contact with an upper end opening of the loudspeaker shell according to requirements, and stable water resistance is realized.

Inventors

WENG WEI
ZHANG YING

Assignees

东台鹏美电子实业有限公司

Dates

Publication Date: 20260512
Application Date: 20260228

Claims (9)

1. A closed sound guide type loudspeaker structure is characterized by comprising a loudspeaker shell, an opening and closing cover, an adjusting base and a transmission mechanism, wherein the upper end of the loudspeaker shell is provided with an opening and closing cover, the adjusting base is arranged below the loudspeaker shell and is in rotary connection with the loudspeaker shell, the adjusting base is connected with the opening and closing cover through the transmission mechanism, the transmission mechanism comprises a transverse sound guide pipe, a longitudinal sound guide pipe, a floating ring sleeve and a driving ring plate, two sides of the opening and closing cover are respectively provided with the transverse sound guide pipe, the lower side of the outer end of the transverse sound guide pipe is respectively provided with the longitudinal sound guide pipe, the driving ring plate is arranged on the periphery of the upper side of the adjusting base and is positioned on the periphery of the loudspeaker shell, the upper side of the driving ring sleeve is provided with the floating ring sleeve, the floating ring sleeve is clamped on the periphery of the loudspeaker shell in a vertical sliding mode, the two sides of the upper end of the floating ring sleeve are respectively connected with the lower end of the longitudinal sound guide pipe, and when the adjusting base rotates, the driving ring plate drives the driving ring sleeve to move upwards and the floating ring sleeve is driven to be in a vertical sound guide pipe to be in a sealing mode of the upper end of the loudspeaker shell or the floating ring sleeve to be in a sealing mode of the upper end of the loudspeaker shell.
2. The structure of claim 1, wherein the two sides of the speaker housing are respectively provided with a longitudinal clamping groove, the two ends of the inner side of the floating collar are respectively provided with a longitudinal clamping block, and the longitudinal clamping blocks are vertically and slidably clamped on the longitudinal clamping grooves.
3. The structure of claim 2, wherein a pressure stabilizing spring is disposed in the longitudinal clamping groove, and the pressure stabilizing spring is pressed against the lower side of the longitudinal clamping block.
4. The closed sound guide type loudspeaker structure according to claim 1, wherein an annular sleeve joint cavity is arranged in the floating ring sleeve, an inner threaded annular surface is arranged on the periphery of the outer side of the annular sleeve joint cavity, an outer threaded annular surface is arranged on the periphery of the driving ring plate, the driving ring plate is inserted into the annular sleeve joint cavity of the floating ring sleeve, and the outer threaded annular surface of the driving ring plate is in threaded engagement connection with the inner threaded annular surface of the annular sleeve joint cavity.
5. The closed sound guide type loudspeaker structure according to claim 4, wherein the opening and closing cover is internally provided with sound guide grooves which are horizontally distributed, the lower side of each sound guide groove is provided with a plurality of sound guide holes, two sides of each sound guide groove are respectively communicated with a transverse sound guide pipe, the lower end of each longitudinal sound guide pipe is communicated with the annular sleeve cavity, the periphery of the driving annular plate is internally provided with a plurality of longitudinal sound outlet channels, the upper ends of the longitudinal sound outlet channels are communicated with the annular sleeve cavity, and the lower ends of the longitudinal sound outlet channels extend to the lower inside of the adjusting base.
6. The structure of claim 1, wherein sealing ring strips are provided around the inner side of the upper opening of the speaker housing.
7. The structure of claim 1, wherein the longitudinal section of the adjusting base is of an inverted U-shaped structure, and a plurality of sound outlets are uniformly formed around the adjusting base.
8. The structure of claim 1, wherein a rotary clamping block is arranged in the middle of the upper end of the adjusting base, a rotary clamping groove is arranged in the center of the lower end of the speaker housing, and the adjusting base is rotationally clamped on the rotary clamping groove in the center of the lower end of the speaker housing through the rotary clamping block in the middle of the upper end.
9. The structure of claim 1, wherein the inner periphery of the opening at the upper end of the speaker housing has a tapered structure with a large upper part and a small lower part, and the periphery of the lower end of the opening and closing cover has a tapered structure with a large upper part and a small lower part.

Description

Closed sound-guiding type loudspeaker structure Technical Field The invention belongs to the technical field of speakers, and particularly relates to a closed sound guide type speaker structure. Background The loudspeaker is a very commonly used electroacoustic transducer, which can be seen in sounding electronic and electric equipment, the loudspeaker is a transducer for converting an electric signal into an acoustic signal, the performance of the loudspeaker is good and bad, the loudspeaker is a weakest device in sound equipment, the loudspeaker is a most important part for sound effect, the loudspeaker is various in price and is quite different, the cone or diaphragm of the loudspeaker vibrates and resonates with surrounding air to make sound through electromagnetic, piezoelectric or electrostatic effect, the use requirement of people on the loudspeaker is higher and higher along with the development of age and technology, the existing loudspeaker does not have a waterproof structure and function, when the loudspeaker needs to be waterproof, the existing structure needs to be upgraded and improved, and the effective derivation of the sound is realized while the waterproof property is improved. Disclosure of Invention Aiming at the defects of the prior art, the invention solves the problem of providing the closed sound guide type loudspeaker structure which can conveniently prevent water and effectively guide sound. In order to solve the problems, the invention adopts the following technical scheme: A closed sound guide type loudspeaker structure comprises a loudspeaker shell, an opening and closing cover, an adjusting base and a transmission mechanism, wherein the upper end of the loudspeaker shell is provided with an opening and closing cover, the adjusting base is arranged above the loudspeaker shell and is rotatably connected with the loudspeaker shell, the adjusting base is connected with the opening and closing cover through the transmission mechanism, the transmission mechanism comprises a transverse sound guide pipe, a longitudinal sound guide pipe, a floating ring sleeve and a driving ring plate, two transverse sound guide pipes are respectively arranged on two sides of the opening and closing cover, a longitudinal sound guide pipe is respectively arranged on the lower side of the outer end of the transverse sound guide pipe, a driving ring plate is arranged on the periphery of the upper side of the adjusting base and is positioned on the periphery of the loudspeaker shell, a floating ring sleeve is arranged on the upper side of the driving ring plate and is connected with the periphery of the loudspeaker shell in a sliding clamping mode, the two sides of the upper end of the floating ring sleeve are respectively connected with the lower end of the longitudinal sound guide pipe, when the adjusting base rotates, the driving ring sleeve drives the driving ring plate to move up and down, and the floating ring sleeve is driven to move up and down to the upper end of the loudspeaker shell and the upper end of the loudspeaker shell is enabled to be in a sealing mode. Further, longitudinal clamping grooves are formed in the outer portions of two sides of the loudspeaker shell respectively, longitudinal clamping blocks are arranged at two ends of the inner side of the floating ring sleeve respectively, and the longitudinal clamping blocks are connected to the longitudinal clamping grooves in a vertically sliding mode. Further, a pressure stabilizing spring is arranged in the longitudinal clamping groove and is propped against the lower side of the longitudinal clamping block upwards. The floating ring sleeve is characterized in that an annular sleeve cavity is arranged in the floating ring sleeve, an inner threaded annular surface is arranged on the periphery of the outer side of the annular sleeve cavity, an outer threaded annular surface is arranged on the periphery of the driving ring plate, the driving ring plate is inserted into the annular sleeve cavity of the floating ring sleeve, and the outer threaded annular surface of the driving ring plate is in threaded engagement connection with the inner threaded annular surface of the annular sleeve cavity. Further, the inside of the opening and closing cover is provided with a plurality of horizontally distributed sound guide grooves, the lower side of each sound guide groove is provided with a plurality of sound guide holes, two sides of each sound guide groove are respectively communicated with the transverse sound guide pipe, the lower ends of the longitudinal sound guide pipes are communicated with the annular sleeve cavities, the periphery of the driving annular plate is internally provided with a plurality of longitudinal sound outlet channels, the upper ends of the longitudinal sound outlet channels are communicated with the annular sleeve cavities, and the lower ends of the longitudinal sound outlet channels extend to the inside below the adjusti