CN209488794U - A kind of outer loadspeaker structure of audio speaker box - Google Patents

Abstract

The utility model discloses loadspeaker structures outside a kind of audio speaker box, belong to sound part technical field.Horn structure includes outer ring shell, inner disc and bottom tube；Outer ring shell is in concave, and outstanding side is protruding on the outside of the shell upper surface of outer ring, and mesh enclosure is provided through in the middle part of the shell of outer ring, and interlocking has nethike embrane on the inside of the shell recess of outer ring, and retinal surface is evenly distributed with circular hole；Inner disc is set to outer ring shell lower end, inner disc and outer ring shell inner wall are clamped, vibration chamber is formed between outer ring shell and inner disc, the conversion of electric energy to sound wave is realized by the resonance of voice coil in nethike embrane in resonator structure and bottom tube, outer shielding structure in its structure in the way of lasso, coil and paper tube etc. avoids the interference of electromagnetic field and sound wave in conversion process, it is big by electromagnetic field effects to solve traditional sound speaker vocal structure, is easy the problem of audio distortion occur in long-term work.

Description

A kind of outer loadspeaker structure of audio speaker box

Technical field

The utility model relates to sound part technical field, the outer loadspeaker structure of especially a kind of audio speaker box.

Background technique

Loudspeaker is a kind of energy transducer for electric signal being changed into acoustical signal, the shadow of the performance superiority and inferiority of loudspeaker to sound quality Sound is very big, and loudspeaker is a most weak device in stereo set, and for acoustics, it is one most heavy again The component wanted, and existing loudspeaker apparatus, the loudspeaker being particularly suitable in external stereo set, loudspeaker structure by External sound wave, magnetic interference etc. are difficult to maintain audio at steady state, sound to be caused partial distortion occur when influencing, and influence It uses.

Based on the problem present on, need to study the loadspeaker structure that current era is suitable for external stereo set, Existing loudspeaker loudspeaker structure occurs vulnerable to external sound wave, magnetic interference so as to cause audio signal and practical loudspeaking sound Distortion phenomenon, influences the effectiveness of loudspeaker, affects the practicability of sound equipment to a certain extent.

Utility model content

(1) the technical issues of solving

The purpose of this utility model is, in view of the above-mentioned problems, providing a kind of outer loadspeaker structure of audio speaker box, to pass through the chamber that shakes The conversion of electric energy to sound wave is realized in the resonance of nethike embrane and voice coil in bottom tube in structure, utilizes lasso, coil and paper tube in structure Etc. the outer shielding structures of modes avoid the interference of electromagnetic field and sound wave in conversion process, solve traditional sound speaker sounding Structure is big by electromagnetic field effects, is easy the problem of audio distortion occur in long-term work.

In order to achieve the above objectives, the technical scheme adopted by the utility model is a kind of outer loadspeaker structure of audio speaker box, Include:

Horn structure includes outer ring shell, inner disc and bottom tube；The outer ring shell is in concave, convex on the outside of outer ring shell upper surface There is outstanding side out, mesh enclosure is provided through in the middle part of the outer ring shell, interlocking has nethike embrane, the nethike embrane table on the inside of the outer ring shell recess Face is evenly distributed with circular hole；The inner disc is set to outer ring shell lower end, and the inner disc and outer ring shell inner wall are clamped, the outer ring shell It is formed with vibration chamber between inner disc, aperture, the aperture and vibration chamber intercommunication, the inner disc collar wall are provided in the middle part of the inner disc With nethike embrane collar wall position consistency, the inner disc and nethike embrane junction are socketed with sealing ring；The bottom tube is set to inner disc lower end, The bottom tube and inner disc aperture grafting, upper and lower ends are socketed with a pair of of lasso on the outside of the bottom tube；

Loudspeaking component includes armature, iron block, coil and paper tube；Armature insertion is set in vibration chamber, the armature with The clamping of outer ring shell inner wall, the armature are set to mesh enclosure inside lower end；The iron block insertion is set in bottom tube, under the iron block End is fixed with port plate, and the port plate and bottom tube lower end are clamped, and the coil is fixed on iron block upper end, the coil and bottom tube Inner wall clamping, the coil and iron block outside are socketed with voice coil, and the voice coil is a kind of wire coil, the voice coil and port plate Output end is in metal conduction, and the voice coil and coil are electrically connected；The paper tube insertion is set on the inside of the shell of outer ring, the paper tube It is socketed on the outside of armature, the paper tube caliber is greater than bottom tube caliber；

Specific scheme, the lasso are a kind of endless metal circle, and the lasso is individual pen ferrous metal, in the lasso Side is fitted closely with bottom tube outer wall.

Specific scheme, the coil are beryllium copper metal column, are wound with several coils, the coil turn on the outside of the coil Number, thickness and port plate output current impedance are proportional.

Specific scheme, the paper tube are a kind of hard paper circle body, and the paper tube surface is corrugated.

Due to the adoption of the above technical scheme, the utility model has the following beneficial effects:

The outer loadspeaker structure of the utility model audio speaker box, with outer ring shell and the outer loudspeaker knot being combined with disk, bottom tube Structure, and sealed in the way of lasso, sealing ring and paper tube, to guarantee the magnetic field in loadspeaker structure, acoustic vibration Environment temperature, the power packs such as armature, coil, iron block based on left hand rule setting, to generate sound wave in vibration chamber with voice coil And the mode to resonate with nethike embrane carries out sound wave conduction, ensure that stability when speaker operation.

Detailed description of the invention

Fig. 1 is the utility model overall structure diagram.

Fig. 2 is the utility model schematic diagram of internal structure.

In attached drawing, the outer ring 1- shell, 2- mesh enclosure, 3- nethike embrane, 4- armature, 5- inner disc, 6- bottom tube, 7- lasso, 8- vibration chamber, the end 9- Oralia, 10- iron block, 11- coil, 12- voice coil, 13- paper tube.

Specific embodiment

The specific implementation of utility model is further illustrated below in conjunction with attached drawing:

A kind of outer loadspeaker structure of audio speaker box of the utility model, is respectively arranged with horn structure and loudspeaking group as shown in the figure Part.

As shown in Figs. 1-2, horn structure includes outer ring shell 1, inner disc 5 and bottom tube 6；Outer ring shell 1 is in concave, on outer ring shell 1 Outer side surface is protruding with outstanding side, and mesh enclosure 2 is provided through in the middle part of outer ring shell 1, and interlocking has nethike embrane 3, nethike embrane on the inside of 1 recess of outer ring shell 3 surfaces are evenly distributed with circular hole；Inner disc 5 is set to 1 lower end of outer ring shell, and inner disc 5 and 1 inner wall of outer ring shell are clamped, outer ring shell 1 with it is interior It is formed with vibration chamber 8 between disk 5, aperture, aperture and vibration 8 intercommunication of chamber, 5 collar wall of inner disc and 3 outer ring of nethike embrane are provided in the middle part of inner disc 5 Wall position consistency, inner disc 5 and 3 junction of nethike embrane are socketed with sealing ring；Bottom tube 6 is set to 5 lower end of inner disc, and bottom tube 6 is opened with inner disc 5 Hole grafting, 6 outside upper and lower ends of bottom tube are socketed with a pair of of lasso 7；The outstanding side in outside for being all an entirety with outer ring shell 1 and middle part Notch configuration, and nethike embrane 3, mesh enclosure 2 that front is provided with, can be when loudspeaker be influenced by context sound wave and generate vibration, benefit The sound wave that high and low frequency is generated with the resonance on nethike embrane 3 and outstanding side, the sealing ring between inner disc 5 and nethike embrane 3 are guaranteeing inner disc 5 and outer ring While 1 connection structure of shell consolidates, sound wave is avoided to cause to be distorted through gap.

Wherein, lasso 7 is a kind of endless metal circle, and lasso 7 is individual pen ferrous metal, and 7 inside of lasso is tight with 6 outer wall of bottom tube Closely connected conjunction while a pair of of lasso 7 of outer setting is to bracing reinforcement 6 structure of bottom tube, is played outer using metallic conduction characteristic The antimagnetic effect in side, avoids the magnetic interference in environment.

As shown in Figs. 1-2, loudspeaking component includes armature 4, iron block 10, coil 11 and paper tube 13；The insertion of armature 4 is set to vibration In chamber 8, armature 4 and 1 inner wall of outer ring shell are clamped, and armature 4 is set to 2 inside lower end of mesh enclosure；The insertion of iron block 10 is set to bottom tube 6 In, 10 lower end of iron block is fixed with port plate 9, and port plate 9 and 6 lower end of bottom tube are clamped, and coil 11 is fixed on 10 upper end of iron block, coil 11 are clamped with 6 inner wall of bottom tube, and voice coil 12 is socketed on the outside of coil 11 and iron block 10, and voice coil 12 is a kind of wire coil, voice coil 12 It is in metal conduction with 9 output end of port plate, voice coil 12 and coil 11 are electrically connected；The insertion of paper tube 13 is set to 1 inside of outer ring shell, Paper tube 13 is socketed on 4 outside of armature, and 13 caliber of paper tube is greater than 6 caliber of bottom tube；Acoustics circuit line is accessed by 9 input terminal of port plate After cable, electric current accesses voice coil 12 from port plate 9 and is drained to iron block 10 by voice coil 12, coil 11, and iron block 10 is electromagnet, Iron block itself is set to generate polarity of the magnetic field after current lead-through, and electric current is by making voice coil 12 by the work in magnetic field and electric current when voice coil 12 With, right angle intersection active force is formed, according to Fleming's left-hand rule, so that voice coil 12 is made to push up and down along 6 tube wall of bottom tube, and Sound wave or air-flow are generated in its chamber 8 that shakes, to generate sound, the energization of process coil 11 causes upper end armature 4 by magnetic fields, And armature 4 is set to move downward along paper tube 13 and be in contact with coil 11, and cut off 11 circuit of coil.

Wherein, coil 11 is beryllium copper metal column, and several coils are wound on the outside of coil 11, and coil 11 encloses number, thickness and end It is proportional that oralia 9 exports current impedance.

Wherein, paper tube 13 is a kind of hard paper circle body, and 13 surface of paper tube is corrugated, is guaranteed by paper tube insulation system Magnetic gap between armature 4 and vibration chamber 8, coil 11, so that the interference of its 8 outside distributed magnetic field of chamber of shaking of the active receiving of armature 4 is avoided, Guarantee the stabilization of armature 4.

Above description is the detailed description for the preferable possible embodiments of the utility model, but embodiment is not limited to The patent claim of the utility model, the same changes or modifications completed under technical spirit suggested by all the utility model Change, should belong to the covered the scope of the patents of the utility model.

Claims (4)

1. a kind of outer loadspeaker structure of audio speaker box, it is characterised in that: include:

Horn structure includes outer ring shell, inner disc and bottom tube；The outer ring shell is in concave, is protruding on the outside of outer ring shell upper surface Outstanding side, the outer ring shell middle part are provided through mesh enclosure, and interlocking has nethike embrane on the inside of the outer ring shell recess, and the retinal surface is equal It is even that circular hole is distributed with；The inner disc is set to outer ring shell lower end, and the inner disc and outer ring shell inner wall are clamped, the outer ring shell with it is interior It is formed with vibration chamber between disk, aperture, the aperture and vibration chamber intercommunication, the inner disc collar wall and net are provided in the middle part of the inner disc Film collar wall position consistency, the inner disc and nethike embrane junction are socketed with sealing ring；The bottom tube is set to inner disc lower end, described Bottom tube and inner disc aperture grafting, upper and lower ends are socketed with a pair of of lasso on the outside of the bottom tube；

Loudspeaking component includes armature, iron block, coil and paper tube；The armature insertion is set in vibration chamber, the armature and outer ring The clamping of shell inner wall, the armature are set to mesh enclosure inside lower end；The iron block insertion is set in bottom tube, and the iron block lower end is solid Surely there is port plate, the port plate and bottom tube lower end are clamped, and the coil is fixed on iron block upper end, the coil and bottom tube inner wall Voice coil is socketed on the outside of clamping, the coil and iron block, the voice coil is a kind of wire coil, and the voice coil and port plate export End is in metal conduction, and the voice coil and coil are electrically connected；The paper tube insertion is set on the inside of the shell of outer ring, the paper tube socket On the outside of armature, the paper tube caliber is greater than bottom tube caliber.

2. a kind of outer loadspeaker structure of audio speaker box according to claim 1, it is characterised in that: the lasso is a kind of ring Shape quoit, the lasso are individual pen ferrous metal, are fitted closely on the inside of the lasso with bottom tube outer wall.

3. a kind of outer loadspeaker structure of audio speaker box according to claim 1, it is characterised in that: the coil is beryllium copper gold Belong to column, several coils are wound on the outside of the coil, the wire circle, thickness and port plate output current impedance are proportional.

4. a kind of outer loadspeaker structure of audio speaker box according to claim 1, it is characterised in that: the paper tube is a kind of hard Matter paper circle body, the paper tube surface are corrugated.