CN215898011U

CN215898011U - Double-sided vibrating diaphragm loudspeaker

Info

Publication number: CN215898011U
Application number: CN202121663892.5U
Authority: CN
Inventors: 刘文远
Original assignee: Vanson Electronics (hefei) Inc
Current assignee: Vanson Electronics (hefei) Inc
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-02-22
Anticipated expiration: 2031-07-21

Abstract

The utility model discloses a double-sided vibrating diaphragm loudspeaker, which relates to the field of loudspeakers and aims at solving the problem that the quality of the loudspeaker is reduced due to the fact that a shell is easy to vibrate in the existing single-vibrating diaphragm loudspeaker. The utility model has novel structure, and the device effectively solves the problem of the quality reduction of the loudspeaker caused by the easy vibration of the shell of the traditional single-diaphragm loudspeaker.

Description

Double-sided vibrating diaphragm loudspeaker

Technical Field

The utility model relates to the field of loudspeakers, in particular to a double-sided diaphragm loudspeaker.

Background

One of the parts of core among the speaker sound device, only possess a vibrating diaphragm in the speaker of the overwhelming majority, the sound production of vibrating diaphragm is driven the vibrating diaphragm vibration by the electromagnetic field drive voice coil loudspeaker voice coil that changes and is realized, strong vibration can bring bigger volume and higher tone quality promotion space, but the vibrating diaphragm also can arouse speaker housing vibration or even resonance simultaneously, not only influenced the life of speaker, still can cause the quality that the noise reduced the stereo set, consequently in order to solve above-mentioned problem, we have proposed a two-sided vibrating diaphragm speaker.

SUMMERY OF THE UTILITY MODEL

The utility model provides a double-side vibrating diaphragm loudspeaker, which solves the problem that the quality of the loudspeaker is reduced because the shell is easy to vibrate in the conventional single-vibrating diaphragm loudspeaker.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a double-sided vibrating diaphragm loudspeaker comprises a middle frame structure, wherein a cover plate is arranged at the top end of the middle frame structure, a sound production structure is arranged between the cover plate and the middle frame structure, and the cover plate and the sound production structure are symmetrically distributed around the upper end and the lower end of the middle frame structure;

the middle frame structure comprises a middle frame, wherein the bottom edges of two sides of the middle frame are respectively provided with a first clamping groove, the top edges of two sides of the middle frame are respectively provided with a second clamping groove, the two ends of the middle frame are respectively provided with a third clamping groove, an iron plate is arranged in the middle frame, the two sides of the iron plate are respectively provided with a first clamping sheet and a second clamping sheet, the two ends of the iron plate are respectively provided with a third clamping sheet, the first clamping sheet is clamped with the first clamping grooves, the second clamping sheet is clamped with the second clamping grooves, and the third clamping sheets are clamped with the third clamping grooves;

the sound production structure includes magnet, just the one end that the center was kept away from to magnet matches and has cup jointed the voice coil loudspeaker voice coil, just the one end that magnet was kept away from to the voice coil loudspeaker voice coil is provided with the vibrating diaphragm.

Preferably, the cover plate is provided with a mounting groove at one end far away from the middle frame, the cover plate is positioned in the mounting groove and penetrates through the mounting groove to form a sleeve groove, the middle frame and the sleeve groove are in sleeved connection, the vibrating diaphragm is sleeved in the mounting groove, and the outer edge of the vibrating diaphragm is bonded with the cover plate.

Preferably, two sets of both ends face that the apron is close to each other all is provided with the fourth draw-in groove in third card department, just the part that the third card is outstanding the center is the matching joint with the fourth draw-in groove.

Preferably, the first clamping groove and the second clamping groove are arranged in a staggered mode.

Preferably, the two groups of magnets are respectively and fixedly connected with two surfaces of the iron plate, and the magnets are sleeved in the middle frame.

Preferably, the two end faces of the two groups of magnets far away from each other are provided with washers, and the washers are sleeved in the voice coil.

The utility model has the beneficial effects that:

1. through the upper and lower two sets of sound production structures (including the magnetic poles of the magnets) which are completely and symmetrically installed, the vibrating diaphragm synchronously and reversely vibrates, the stress is mutually offset, and the loudspeaker can work more stably.

2. First card and first draw-in groove joint, second card and second draw-in groove joint, third card and third draw-in groove joint to first draw-in groove and second draw-in groove are the setting of staggering in position, and two sets of magnet are fixed connection with the two sides of iron plate respectively, make iron plate and center joint together firmly through above-mentioned structure, make the magnet of being connected with iron plate remain stable simultaneously, and this simple structure is effective.

3. The device is through setting up the china department sound-proof material, can effectively reduce the crosstalk phenomenon between the upper and lower two sets of vibrating diaphragms, and the iron plate through the magnetic conduction plays the effect that isolated magnetic field interfered with each other between two sets of magnets for this speaker quality further improves.

In conclusion, the device effectively solves the problem that the quality of the existing single-diaphragm loudspeaker is reduced due to the fact that the shell is easy to vibrate.

Drawings

Fig. 1 is a schematic view of the appearance structure of the present invention.

Fig. 2 is a structural sectional view of the present invention.

Fig. 3 is an enlarged view of a structure in fig. 2 according to the present invention.

Fig. 4 is an exploded view of the assembled structure of the present invention.

Fig. 5 is an exploded view of the middle frame of the present invention.

Reference numbers in the figures: 1. a middle frame structure; 101. a middle frame; 102. a first card slot; 103. a second card slot; 104. a third card slot; 105. an iron plate; 106. a first card; 107. a second card; 108. a third card; 2. a cover plate; 201. mounting grooves; 202. sleeving a groove; 203. a fourth card slot; 3. a sound producing structure; 301. a magnet; 302. a voice coil; 303. vibrating diaphragm; 4. washer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, a two-sided vibrating diaphragm speaker, including center structure 1, the top of center structure 1 is provided with apron 2, be provided with sound production structure 3 between apron 2 and center structure 1, and apron 2 is the symmetric distribution with sound production structure 3 about the upper and lower both ends of center structure 1, center structure 1 includes center 101, sound production structure 3 includes magnet 301, and the one end that magnet 301 kept away from center 101 matches and has cup jointed voice coil 302, and the one end that voice coil 302 kept away from magnet 301 is provided with vibrating diaphragm 303, wherein, the mounting groove 201 has been seted up to the one end that center 101 was kept away from to apron 2, and vibrating diaphragm 303 cup joints in mounting groove 201, the outward flange and the apron 2 bonding of vibrating diaphragm 303, iron plate 105 in center structure 1 is responsible for the installation of magnet 301 in sound production structure 3, apron 2 is responsible for the installation of vibrating diaphragm 303 in sound production structure 3.

The middle frame 101 and the sleeve groove 202 are in sleeve connection, the two end faces of the two groups of cover plates 2 close to each other are located at the third clamping pieces 108 and are provided with fourth clamping grooves 203, the parts of the third clamping pieces 108 protruding out of the middle frame 101 are in matched clamping connection with the fourth clamping grooves 203, and the structure aims to play a role in positioning when the two groups of cover plates 2 are spliced towards the middle frame 101.

The bottom edges of the two sides of the middle frame 101 are both provided with first clamping grooves 102, the top edges of the two sides of the middle frame 101 are both provided with second clamping grooves 103, and both ends of the middle frame 101 are provided with third clamping grooves 104, an iron plate 105 is arranged in the middle frame 101, both sides of the iron plate 105 are provided with a first clamping piece 106 and a second clamping piece 107, and the two ends of the iron plate 105 are respectively provided with a third card 108, the first card 106 is clamped with the first card slot 102, the second card 107 is clamped with the second card slot 103, the third card 108 is clamped with the third card slot 104, the first card slot 102 and the second card slot 103 are arranged in a staggered way, two groups of magnets 301 are respectively and fixedly connected with the two surfaces of the iron plate 105, and the magnets 301 are sleeved in the middle frame 101, the iron plate 105 is firmly clamped with the middle frame 101 through the structure, so that the magnet 301 connected with the iron plate 105 is kept stable, the iron plate 105 also acts to isolate the magnetic fields from interfering with each other between the two sets of magnets 301, since the magnetic permeable material is able to confine the magnetic fields.

The two end faces of the two groups of magnets 301, which are far away from each other, are provided with the washers 4, the washers 4 are sleeved in the voice coil 302, and the washers 4 are made of a sound insulation material, so that the crosstalk phenomenon between the upper and lower groups of diaphragms 303 can be effectively reduced.

The design overall height of this speaker is 6.7mm, through upper and lower two sets of complete symmetry installation (including magnet 301's magnetic pole) sound production structure 3 for synchronous reverse vibration is done to vibrating diaphragm 303, has offset stress each other, makes the work that the speaker can be more stable.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A double-sided vibrating diaphragm loudspeaker comprises a middle frame structure (1), and is characterized in that a cover plate (2) is arranged at the top end of the middle frame structure (1), a sound production structure (3) is arranged between the cover plate (2) and the middle frame structure (1), and the cover plate (2) and the sound production structure (3) are symmetrically distributed about the upper end and the lower end of the middle frame structure (1);

the middle frame structure (1) comprises a middle frame (101), wherein first clamping grooves (102) are formed in the bottom edges of two sides of the middle frame (101), second clamping grooves (103) are formed in the top edges of two sides of the middle frame (101), third clamping grooves (104) are formed in two ends of the middle frame (101), an iron plate (105) is arranged in the middle frame (101), first clamping pieces (106) and second clamping pieces (107) are arranged on two sides of the iron plate (105), third clamping pieces (108) are arranged at two ends of the iron plate (105), the first clamping pieces (106) are clamped with the first clamping grooves (102), the second clamping pieces (107) are clamped with the second clamping grooves (103), and the third clamping pieces (108) are clamped with the third clamping grooves (104);

the sounding structure (3) comprises a magnet (301), a voice coil (302) is sleeved at one end, away from the middle frame (101), of the magnet (301), and a vibrating diaphragm (303) is arranged at one end, away from the magnet (301), of the voice coil (302).

2. The loudspeaker of claim 1, wherein an installation groove (201) is formed in one end of the cover plate (2) far away from the center frame (101), the cover plate (2) is located in the installation groove (201) and penetrates through the installation groove (202), the center frame (101) and the installation groove (202) are in sleeved connection, the vibrating diaphragm (303) is sleeved in the installation groove (201), and the outer edge of the vibrating diaphragm (303) is bonded with the cover plate (2).

3. The loudspeaker of claim 1, wherein two end faces of the two cover plates (2) close to each other are provided with fourth clamping grooves (203) at the third clamping pieces (108), and the parts of the third clamping pieces (108) protruding out of the middle frame (101) are in matched clamping connection with the fourth clamping grooves (203).

4. The dual-side diaphragm loudspeaker of claim 1, wherein the first locking groove (102) and the second locking groove (103) are arranged in a staggered manner.

5. The loudspeaker of claim 1, wherein the two sets of magnets (301) are respectively fixedly connected with two sides of the iron plate (105), and the magnets (301) are sleeved in the middle frame (101).

6. The loudspeaker of claim 1, wherein two end faces of the two groups of magnets (301) which are far away from each other are provided with washers (4), and the washers (4) are sleeved in the voice coil (302).