CN218772401U

CN218772401U - Megaphone and electronic equipment

Info

Publication number: CN218772401U
Application number: CN202222871006.9U
Authority: CN
Inventors: 林嘉平; 董庆宾
Original assignee: Shenzhen Weishi Acoustics Co Ltd
Current assignee: Shenzhen Weishi Acoustics Co Ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-03-28
Anticipated expiration: 2032-10-28

Abstract

The embodiment of the utility model discloses a loudspeaker and electronic equipment, the loudspeaker includes magnetic component, vibrating diaphragm and voice coil loudspeaker voice coil, the magnetic component includes mounting bracket and first magnet steel, the first magnet steel is fixed with the mounting bracket; the vibrating diaphragm comprises an inner fixing part, a first bending part, a first connecting part, a second bending part and an outer fixing part, one end of the inner fixing part is fixed with the first magnetic steel, the other end of the inner fixing part is connected with the first bending part, the other end of the first bending part is connected with one end of the first connecting part, the other end of the first connecting part is connected with one end of the second bending part, the other end of the second bending part is connected with one end of the outer fixing part, the other end of the outer fixing part is fixed with the mounting frame, and the inner fixing part, the first bending part, the first connecting part, the second bending part and the outer fixing part are integrally formed; the voice coil is fixed with the vibrating diaphragm, and the voice coil encircles first magnet steel. In this way, the embodiment of the utility model provides a can improve the leakproofness between first kink, first connecting portion and the second kink.

Description

Megaphone and electronic equipment

Technical Field

The embodiment of the utility model provides a relate to electroacoustic conversion technical field, especially relate to a megaphone and electronic equipment.

Background

As shown in fig. 1, fig. 2 and fig. 3, the loudspeaker 100 generally includes a mounting frame 11, a first magnetic steel 12, a second magnetic steel 14, a washer 16, a main center magnetic steel 15, an inner diaphragm 27, an outer diaphragm 28, a bobbin 3, a voice coil 4 and a frame 6, wherein the main center magnetic steel 15 is disposed on the mounting frame 11, the washer 16 is disposed on the main center magnetic steel 15, the first magnetic steel 12 is disposed on one side of the washer 16 departing from the main center magnetic steel 15, the second magnetic steel 14 is disposed on one side of the first magnetic steel 12 departing from the washer 16, the inner diaphragm 27, the outer diaphragm 28 and the voice coil 4 are both annular in shape, the inner diaphragm 27 surrounds the second magnetic steel 14, and one end of the inner diaphragm 27 is bonded to the surface of the first magnetic steel 12 facing the second magnetic steel 14, the other end of the inner diaphragm 27 is fixed to one end of the bobbin 3, the outer diaphragm 28 surrounds the inner diaphragm 27, and one end of the outer diaphragm 28 is fixed to the other end of the bobbin 3, the other end of the outer diaphragm 28 is fixed to one end of the bobbin 6, the other end of the bobbin 6 is fixed to the inner diaphragm, 4 is fixed to the mounting frame 3, and the outer diaphragm 27 and the voice coil 14 and the outer diaphragm 14 and the voice coil 14 and the main center magnetic steel 14 and the voice coil 14 and the outer diaphragm 14 and the main center magnetic steel 14 and the voice coil 14, thereby act as the main center magnetic steel 14.

The embodiment of the utility model provides an in the implementation, the inventor finds: have the space between interior vibrating diaphragm 27 and the outer vibrating diaphragm 28 to between the other end of interior vibrating diaphragm 27 and the one end of skeleton 3 and between the one end of outer vibrating diaphragm 28 and the other end of skeleton 3 through bonding fixedly, it is relatively poor to have resulted in the sealed effect between skeleton 3 and interior vibrating diaphragm 27 and the outer vibrating diaphragm 28 like this, and water can get into in the voice coil loudspeaker voice coil 4 through the space between skeleton 3 and interior vibrating diaphragm 27 and the outer vibrating diaphragm 28.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a main technical problem who solves provides a megaphone and electronic equipment, can overcome above-mentioned problem or at least partially solve above-mentioned problem.

In order to solve the above technical problem, an embodiment of the present invention adopts a technical solution that: the loudspeaker comprises a magnetic component, a vibrating diaphragm and a voice coil, wherein the magnetic component comprises an installation frame and first magnetic steel, and the first magnetic steel is fixed with the installation frame; the vibrating diaphragm comprises an inner fixing part, a first bending part, a first connecting part, a second bending part and an outer fixing part, one end of the inner fixing part is fixed to the surface of the first magnetic steel, which deviates from the mounting rack, the other end of the inner fixing part is connected with the first bending part, the other end of the first bending part is connected with one end of the first connecting part, the other end of the first connecting part is connected with one end of the second bending part, the other end of the second bending part is connected with one end of the outer fixing part, the other end of the outer fixing part is fixed to the mounting rack, and the inner fixing part, the first bending part, the first connecting part, the second bending part and the outer fixing part are integrally formed; the voice coil is fixed with the vibrating diaphragm.

Optionally, the megaphone still includes the skeleton, the skeleton bonds and is fixed in the vibrating diaphragm orientation the surface of voice coil, the voice coil with the skeleton deviates from the surface of vibrating diaphragm is fixed mutually.

Optionally, the loudspeaker further comprises a dome, the dome being fixed to the first connection portion.

Optionally, the ball top is disposed on a surface of the first connecting portion facing the mounting frame, and the ball top and the framework are integrally formed.

Optionally, a step is arranged on the surface of the first connecting portion, which faces away from the mounting frame, the ball top is fixed at the step, and one end of the ball top, which faces away from the mounting frame, does not protrude out of the step.

Optionally, a groove is formed in the surface, away from the mounting frame, of the first connecting portion, the ball top is fixed in the groove, and one end, away from the mounting frame, of the ball top does not protrude out of the notch of the groove.

Optionally, the diaphragm further includes a boss, and one end of the boss is fixed to one end of the first connection portion; the framework comprises a first fixing part, a second connecting part and a second fixing part, wherein two ends of the second connecting part are respectively connected with the first fixing part and the second fixing part, the first fixing part faces towards the surface of the voice coil to be bonded and fixed, the second connecting part faces towards the side face of the boss to be bonded and fixed, and the second fixing part faces towards the first connecting part to be bonded and fixed on the surface of the mounting frame.

Optionally, the magnetic assembly further comprises second magnetic steel, main central magnetic steel and a washer, the main central magnetic steel is arranged on the mounting frame, the washer is arranged on the main central magnetic steel, the first magnetic steel is fixed on the surface of the washer deviated from the main central magnetic steel, the second magnetic steel is fixed on the surface of the washer deviated from the first magnetic steel, and the inner fixing portion is surrounded by the second magnetic steel.

Optionally, the mounting bracket includes bottom plate, mounting panel and two limit magnet steels, main center magnet steel and two limit magnet steel intervals set up in the bottom plate, and two limit magnet steels are located respectively the both sides of main center magnet steel, the mounting panel is fixed in two limit magnet steels are kept away from the one end of bottom plate, outer fixed part with the mounting panel is fixed mutually.

In order to solve the above technical problem, the embodiment of the present invention adopts another technical solution: an electronic device is provided, which comprises the loudspeaker.

The embodiment of the utility model provides a beneficial effect is: be different from prior art's condition, the embodiment of the utility model provides a through fixing the one end of interior fixed part and second magnet steel mutually, the other end and the first kink of interior fixed part are connected, the other end and the one end of first connecting portion of first kink are connected, the other end and the one end of second kink of first connecting portion are connected, the other end and the one end of outer fixed part of second kink are connected, the other end and the basin frame of outer fixed part are fixed mutually, and interior fixed part, first kink, first connecting portion, second kink and outer fixed part integrated into one piece, thereby improved first kink, leakproofness between first connecting portion and the second kink, and then guarantee that the megaphone can normally work.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is an exploded pictorial illustration of an embodiment of the present invention;

fig. 2 is a schematic view of a first view angle of a loudspeaker in a conventional technical solution;

FIG. 3 isbase:Sub>A cross-sectional view of section A-A of FIG. 2;

fig. 4 is a schematic view of a first viewing angle of the microphone when the dome is disposed on a side of the first connecting portion facing the mounting frame according to the embodiment of the present invention;

FIG. 5 is a schematic structural view of a section B-B in FIG. 4 when the dome and the frame are not integrally formed in an embodiment of the present invention;

FIG. 6 is an enlarged view of the area indicated by section A in FIG. 5;

fig. 7 is a schematic structural view of a section B-B in fig. 4 when the dome and the frame are integrally formed in an embodiment of the present invention;

FIG. 8 is an enlarged view of the area indicated by section B in FIG. 7;

fig. 9 is a schematic structural diagram of a first viewing angle of the microphone when the dome is disposed on a side of the first connecting portion away from the mounting bracket according to an embodiment of the present invention;

fig. 10 is a sectional view of the section C-C in fig. 9 when the first connecting portion is provided with a step in the embodiment of the present invention;

FIG. 11 is an enlarged view of the area indicated by section C in FIG. 10;

fig. 12 is a cross-sectional view of section C-C of fig. 9 with a recess provided in the first connection portion in an embodiment of the invention;

fig. 13 is an enlarged view of the region indicated by the D portion in fig. 12.

The reference numbers are as follows:

100-a loudspeaker; 1-a magnetic component; 11-a mounting frame; 111-a base plate; 112-a mounting plate; 113-edge magnetic steel; 12-first magnetic steel; 13-a magnetic gap; 14-second magnetic steel; 15-main central magnetic steel; 16-washer; 2-vibrating diaphragm; 21-an inner fixing part; 22-a first bend; 23-a first connection; 231-a step; 232-groove; 24-a second bend; 25-an outer fixation part; 26-boss; 3-a framework; 31-a first fixed part; 32-a second connection; 33-a second fixed part; 4-a voice coil; 5-ball top; 6-basin stand.

Detailed Description

To facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "upper", "lower", "inner", "outer", "vertical", "horizontal", and the like as used herein are used in the description to indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Furthermore, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 and 5, the microphone 100 includes: magnetic component 1, diaphragm 2 and voice coil 4. Magnetic component 1 includes mounting bracket 11 and first magnet steel 12, first magnet steel 12 with mounting bracket 11 is fixed mutually, and first magnet steel 12 with magnetic gap 13 has between the mounting bracket 11, the shutoff of vibrating diaphragm 2 magnetic gap 13. The diaphragm 2 includes an inner fixing portion 21, a first bent portion 22, a first connecting portion 23, a second bent portion 24, and an outer fixing portion 25. One end of the inner fixing portion 21 and the surface of the first magnetic steel 12 departing from the mounting frame 11 are bonded and fixed, the other end of the inner fixing portion 21 is connected with the first bending portion 22, the other end of the first bending portion 22 is connected with one end of the first connecting portion 23, the other end of the first connecting portion 23 is connected with one end of the second bending portion 24, the other end of the second bending portion 24 is connected with one end of the outer fixing portion 25, the other end of the outer fixing portion 25 is fixed with the mounting frame 11, and the inner fixing portion 21, the first bending portion 22, the first connecting portion 23, the second bending portion 24 and the outer fixing portion 25 are integrally formed. Voice coil loudspeaker voice coil 4's shape is the annular, voice coil loudspeaker voice coil 4 encircles first magnet steel 12, and voice coil loudspeaker voice coil 4 with vibrating diaphragm 2 is fixed mutually, voice coil loudspeaker voice coil 4 is located in magnetic gap 13, works as when voice coil loudspeaker voice coil 4 circular telegram, according to the electromagnetic induction law under the effect in the produced magnetic field of magnetic component 1, voice coil loudspeaker voice coil 4 is in magnetic gap 13 internal motion, thereby drives vibrating diaphragm 2 vibration, and then sound. By integrally forming the inner fixing portion 21, the first bending portion 22, the first connecting portion 23, the second bending portion 24 and the outer fixing portion 25, the sealing performance of the diaphragm 2 is improved, so that the risk that water directly penetrates through the diaphragm 2 and the voice coil 4 to contact each other is reduced, and the sound quality of the loudspeaker 100 is ensured.

In some embodiments, the magnetic assembly 1 further comprises a second magnetic steel 14, a main central magnetic steel 15 and a washer 16. The main central magnetic steel 15 is fixedly bonded to the mounting frame 11, the washer 16 is fixedly bonded to the main central magnetic steel 15, the first magnetic steel 12 is fixedly bonded to the surface, deviating from the main central magnetic steel 15, of the washer 16, and the second magnetic steel 14 is fixedly bonded to the surface, deviating from the washer 16, of the first magnetic steel 12. The interior fixed part 21 encircles second magnet steel 14, and along the perpendicular to first magnet steel 12 faces the direction on second magnet steel 14's surface, second magnet steel 14's projection accept completely in first magnet steel 12 faces the surface of second magnet steel 14, and the area of second magnet steel 14's projection is less than the area of first magnet steel 12 faces the surface of second magnet steel 14, so that first magnet steel 12 has the area that provides interior fixed part 21 bonds. The first magnetic steel 12, the second magnetic steel 14, the main central magnetic steel 15 and the washer 16 are used for generating a magnetic field together, so that the voice coil 4 can move in the magnetic gap 13 under the condition of electrification.

For the above-mentioned mounting bracket 11, the mounting bracket 11 includes a bottom plate 111, a mounting plate 112, and two side magnetic steels 113. Main central magnet steel 15 and two limit magnet steel 113 interval set up in bottom plate 111, and two limit magnet steel 113 are located respectively main central magnet steel 15's both sides, so that form between two limit magnet steel 113 and main central magnet steel 15, china department 16, first magnet steel 12, the second magnet steel 14 magnetic gap 13. The mounting panel 112 with two limit magnet steel 113 keep away from the one end of bottom plate 111 is fixed mutually, the other end of outer fixed part 25 with the mounting panel 112 is fixed mutually. The two side magnetic steels 113 can enhance the magnetic field in the magnetic gap 13 to improve the sensitivity of the voice coil 4 in the magnetic field, thereby improving the sound quality of the loudspeaker 100.

In some embodiments, the loudspeaker 100 further comprises a frame 6, one end of the frame 6 is fixed to the mounting plate 112, and the other end of the outer fixing portion 25 is fixed to the other end of the frame 6.

In some embodiments, please refer to fig. 5 and 6, the microphone 100 further includes a bobbin 3, the bobbin 3 is fixed to the surface of the diaphragm 2 facing the voice coil 4, and the voice coil 4 is fixed to the surface of the bobbin 3 facing away from the diaphragm 2. Through voice coil loudspeaker voice coil 4 with set up skeleton 3 between vibrating diaphragm 2, can improve the vibration rigidity of vibrating diaphragm 2 to improve the sound production quality.

In some embodiments, the diaphragm 2 further includes a boss 26, one end of the boss 26 is fixed to one end of the first connecting portion 23, and the boss 26 is located on a surface of the first connecting portion 23 facing the mounting frame 11. The framework 3 comprises a first fixing part 31, a second connecting part 32 and a second fixing part 33, wherein two ends of the second connecting part 32 are respectively connected with the first fixing part 31 and the second fixing part 33. First fixed part 31 with boss 26 orientation the surface bonding of voice coil 4 is fixed, second connecting portion 32 with the side bonding of boss 26 is fixed, second fixed part 33 with first connecting portion 23 orientation the surface bonding of mounting bracket 11 is fixed, voice coil 4 bonding is fixed in first connecting portion 23 deviates from the surface of boss 26. The arrangement of the boss 26 can increase the bonding area between the framework 3 and the diaphragm 2, thereby reducing the risk that the diaphragm 2 loosens or breaks away from the framework 3 and the diaphragm 2 in the vibration process.

In some embodiments, the microphone 100 further includes a dome 5, the dome 5 is fixed to the first connecting portion 23 by bonding, and the dome 5 is used to further increase the vibration rigidity of the diaphragm 2, so as to further improve the sound quality of the microphone 100.

In some embodiments, referring to fig. 7 and 8, the dome 5 is adhesively fixed on the surface of the first connecting portion 23 facing the mounting frame 11, and the frame 3 and the dome 5 are integrally formed, so that when the loudspeaker 100 is mounted, the frame 3 and the dome 5 do not need to be mounted separately, thereby reducing the mounting steps, which is beneficial to improving the production efficiency of the loudspeaker 100 and saving the production cost.

In some embodiments, referring to fig. 10 and 11, a step 231 is disposed on a surface of the first connecting portion 23 facing away from the mounting frame 11, the dome 5 is fixed at the step 231, and one end of the dome 5 facing away from the mounting frame 11 does not protrude out of the step 231, so that the dome 5 does not occupy a space on a side of the first connecting portion 23 facing away from the mounting frame 11, and therefore, when the loudspeaker 100 is applied to a small electronic device such as a notebook, a mobile phone music player, and the like, the space on the side of the first connecting portion 23 facing away from the mounting frame 11 can be used to accommodate other components.

It will be appreciated that in other embodiments, referring to fig. 12 and 13, a groove 232 may be provided on a surface of the first connecting portion 23 facing away from the mounting bracket 11, the ball top 5 is adhesively fixed in the groove 232, and an end of the ball top 5 facing away from the mounting bracket 11 does not protrude from a notch of the groove 232.

In the embodiment of the present invention, through fixing the one end of the inner fixing portion 21 with the second magnetic steel 14, the other end of the inner fixing portion 21 is connected with the first bending portion 22, the other end of the first bending portion 22 is connected with the one end of the first connecting portion 23, the other end of the first connecting portion 23 is connected with the one end of the second bending portion 24, the other end of the second bending portion 24 is connected with the one end of the outer fixing portion 25, the other end of the outer fixing portion 25 is fixed with the basin frame 6, and the inner fixing portion 21, the first bending portion 22, the first connecting portion 23, the second bending portion 24 and the outer fixing portion 25 are integrally formed, thereby improving the first bending portion 22, the sealing performance between the first connecting portion 23 and the second bending portion 24, and further ensuring that the loudspeaker 100 can normally work.

The utility model discloses provide the electronic equipment embodiment again, electronic equipment includes foretell megaphone 100, can refer to above-mentioned embodiment to the concrete structure and the function of megaphone 100, and the unnecessary repeated description is here.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A loudspeaker, comprising:

the magnetic assembly comprises a mounting frame and first magnetic steel, and the first magnetic steel is fixed with the mounting frame;

the vibrating diaphragm comprises an inner fixing part, a first bending part, a first connecting part, a second bending part and an outer fixing part, wherein one end of the inner fixing part is fixed with the surface of the first magnetic steel, which deviates from the mounting rack, the other end of the inner fixing part is connected with the first bending part, the other end of the first bending part is connected with one end of the first connecting part, the other end of the first connecting part is connected with one end of the second bending part, the other end of the second bending part is connected with one end of the outer fixing part, the other end of the outer fixing part is fixed with the mounting rack, and the inner fixing part, the first bending part, the first connecting part, the second bending part and the outer fixing part are integrally formed;

and the voice coil is fixed with the vibrating diaphragm.

2. The loudspeaker of claim 1,

the loudspeaker still includes the skeleton, the skeleton bonds and is fixed in the vibrating diaphragm orientation the surface of voice coil loudspeaker voice coil, the voice coil loudspeaker voice coil with the skeleton deviates from the surface of vibrating diaphragm is fixed mutually.

3. The loudspeaker of claim 2,

the loudspeaker further comprises a dome, and the dome is fixed to the first connecting portion.

4. The loudspeaker of claim 3,

the dome sets up in first connecting portion orientation the surface of mounting bracket, and the dome with skeleton integrated into one piece.

5. The loudspeaker of claim 3,

the surface that first connecting portion deviates from the mounting bracket is provided with the step, the ball top is fixed in step department, and the ball top deviates from the one end of mounting bracket does not bulge the step.

6. The loudspeaker of claim 3,

the surface that first connecting portion deviates from the mounting bracket is provided with the recess, the ball top is fixed in the recess, and the ball top deviates from the one end of mounting bracket does not bulge the notch of recess.

7. The loudspeaker of claim 2,

the vibrating diaphragm further comprises a boss, and one end of the boss is fixed to one end of the first connecting part;

the framework comprises a first fixing part, a second connecting part and a second fixing part, wherein two ends of the second connecting part are respectively connected with the first fixing part and the second fixing part, the first fixing part faces towards the surface of the voice coil to be bonded and fixed, the second connecting part faces towards the side face of the boss to be bonded and fixed, and the second fixing part faces towards the first connecting part to be bonded and fixed on the surface of the mounting frame.

8. The loudspeaker of claim 1,

the magnetic assembly further comprises second magnetic steel, main central magnetic steel and a washer, wherein the main central magnetic steel is arranged on the mounting frame, the washer is arranged on the main central magnetic steel, the first magnetic steel is fixed on the surface, deviating from the main central magnetic steel, of the washer, the second magnetic steel is fixed on the surface, deviating from the washer, of the first magnetic steel, and the inner fixing portion surrounds the second magnetic steel.

9. The loudspeaker of claim 8,

the mounting bracket includes bottom plate, mounting panel and two limit magnet steel, main central magnet steel and two limit magnet steel intervals set up in the bottom plate, and two limit magnet steel are located respectively the both sides of main central magnet steel, the mounting panel is fixed in two limit magnet steel are kept away from the one end of bottom plate, the other end of outer fixed part with the mounting panel is fixed mutually.

10. An electronic device, characterized in that it comprises a loudspeaker as claimed in any one of claims 1-9.