CN218830516U - Sound generating device and electronic equipment - Google Patents

Abstract

The embodiment of the utility model relates to an electroacoustic conversion technology field discloses a sound generating mechanism and electronic equipment, including basin frame subassembly, magnetic circuit assembly, vibration subassembly and protecgulum, basin frame subassembly includes basin frame and china department, the basin frame is provided with logical chamber, china department includes the framework, the fixed part, connecting portion and china department body, the framework is buried underground in the basin frame, connecting portion are connected with fixed part and framework respectively, the fixed part sets up in the tip of the first end of basin frame, china department body and framework connection, and the china department body is located logical chamber, magnetic circuit assembly is fixed in the second end of basin frame, magnetic circuit assembly's part inserts logical chamber, the vibration subassembly is fixed in the first end of basin frame, the part of vibration subassembly inserts logical chamber, the protecgulum sets up in the first end of basin frame, protecgulum housing vibration subassembly, the protecgulum is fixed with fixed part welded fastening. In this way, the embodiment of the utility model provides a can avoid falling the experimentation in the limit, the condition that protecgulum and basin frame subassembly drop appears easily.

Description

Sound generating device and electronic equipment

Technical Field

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

Background

In order to accommodate the progress in miniaturization of acoustic equipment and information communication equipment, sound generating devices are also increasingly miniaturized. The sounding device generally comprises a basin frame assembly, a magnetic circuit assembly, a vibration assembly and a front cover, wherein the front cover is arranged at one end of the basin frame assembly, the magnetic circuit assembly is arranged at the other end of the basin frame assembly, and the vibration assembly is arranged in the basin frame assembly.

However, in implementing the embodiments of the present invention, the inventors found that: at present, the basin frame subassembly adopts plastic materials to make to form usually, and the basin frame subassembly is provided with the hot melt post, and the basin frame subassembly passes through hot melt post hot melt riveting with the protecgulum and fixes, but sound generating mechanism is miniaturized back, leads to the hot melt post to be littleer more and more to the intensity of restriction hot melt post falls the experimentation, the condition that protecgulum and basin frame subassembly drop appears easily in the limit.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a sound generating mechanism and electronic equipment avoids falling the experimentation in the limit, the condition that protecgulum and basin frame subassembly drop appears easily.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a sound production device, includes basin frame subassembly, magnetic circuit assembly, vibration subassembly and protecgulum, basin frame subassembly includes basin frame and magnificent department, the basin frame has relative first end and the second end that sets up, the basin frame is provided with the logical chamber that extends toward the second end from the first end, magnificent department includes framework, fixed part, connecting portion and magnificent department body, the framework bury underground in the basin frame, connecting portion are connected with fixed part and framework respectively, the fixed part set up in the first end of basin frame, the magnificent department body with the framework is connected, and the magnificent department body is located lead to the chamber, magnetic circuit assembly is fixed in the second end of basin frame, magnetic circuit assembly's part inserts lead to the chamber, the vibration subassembly is fixed in the tip of the first end of basin frame, the part of vibration subassembly inserts lead to the chamber under magnetic circuit assembly's the effect, the vibration subassembly produces the vibration, the protecgulum set up in the first end of basin frame, the protecgulum the vibration subassembly, the protecgulum and fixed part welded fastening.

Optionally, the washer further comprises an extension part, the extension part is connected with the fixing part, the extension part is arranged opposite to the connecting part, and the extension part and the connecting part are both embedded in the basin frame.

Optionally, the connecting portion and/or the extending portion are provided with an insertion hole, the basin stand is provided with a plug connector, and the plug connector is inserted into the insertion hole.

Optionally, the number of the fixing portions and the connecting portions is multiple, two ends of one of the connecting portions are connected to the frame body and the one of the fixing portions, respectively, and the front cover is welded to the multiple fixing portions.

Optionally, the number of the fixing portions and the connecting portions is four, one end of each connecting portion is connected to one corner of the frame body, one fixing portion is connected to the other end of each connecting portion, one fixing portion is located at one corner of the end face of the first end of the basin stand, and one corner of the front cover is welded to one fixing portion.

Optionally, the vibration subassembly includes vibrating diaphragm, voice coil loudspeaker voice coil and well subsides, the vibrating diaphragm encircles well subsides, and the interior limit of vibrating diaphragm with well subsides are fixed, the outside of vibrating diaphragm is fixed in the terminal surface of the first end of basin frame, vibrating diaphragm and well subsides cover lead to the chamber in the opening of the first end of basin frame, the one end of voice coil loudspeaker voice coil is fixed in well wainscot to lead to the surface in chamber, the voice coil loudspeaker voice coil inserts lead to the intracavity.

Optionally, an avoiding cavity is formed in the surface, facing the through cavity, of the front cover, and the part, fixed to the end face of the first end of the basin frame, of the vibrating diaphragm is contained in the avoiding cavity.

Optionally, the outer edge of the diaphragm is bent, and a protruding portion extends from the end surface of the first end of the basin stand, and the protruding portion abuts against the bent portion of the outer edge of the diaphragm.

Optionally, the magnetic circuit assembly includes an inner magnetic steel, an outer magnetic steel, a yoke and a central washer, the inner magnetic steel and the outer magnetic steel are both disposed on the same side of the yoke, an annular gap is disposed between the inner magnetic steel and the outer magnetic steel, the central washer is disposed on a surface of the inner magnetic steel facing away from the yoke, the yoke is fixed to an end face of the second end of the basin frame, the inner magnetic steel, the outer magnetic steel and the central washer are located in the through cavity, the voice coil is located in the annular gap, and the voice coil is movable in the annular gap.

In order to solve the technical problem, the utility model discloses a technical scheme be: an electronic device is provided, which comprises the sound production device.

The embodiment of the utility model provides an in, sound generating mechanism includes basin frame subassembly, magnetic circuit assembly, vibration subassembly and protecgulum, basin frame subassembly includes basin frame and magnificent department, the basin frame has relative first end and the second end that sets up, the basin frame is provided with the logical chamber that extends from first end toward the second end, magnificent department includes framework, fixed part, connecting portion and magnificent department body, the framework bury underground in the basin frame, connecting portion are connected with fixed part and framework respectively, the fixed part set up in the first end of basin frame, the magnificent department body with the framework is connected, and the magnificent department body is located lead to the chamber, magnetic circuit assembly is fixed in the second end of basin frame, magnetic circuit assembly's part inserts lead to the chamber, the vibration subassembly is fixed in the tip of the first end of basin frame, the part of vibration subassembly inserts lead to the chamber under magnetic circuit assembly's the effect, the vibration subassembly produces the vibration, the protecgulum set up in the first end of basin frame, the protecgulum the vibration subassembly, the protecgulum fixed part and the fixed part welded fastening. Through protecgulum and fixed part welded fastening, the fixed strength of reinforcing protecgulum and basin frame subassembly avoids falling the experimentation in the limit, the condition that protecgulum and basin frame subassembly drop appears easily.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for a person skilled in the art to obtain other drawings based on the drawings without any creative effort.

Fig. 1 is a schematic structural diagram of a sound generating device provided by an embodiment of the present invention;

fig. 2 is an exploded view of a sound generating device provided by an embodiment of the present invention;

fig. 3 is an exploded view of a frame assembly of the sound generating device according to the embodiment of the present invention;

fig. 4 is a cross-sectional view of a perspective structure of a sound generating device according to an embodiment of the present invention;

FIG. 5 is an enlarged view of portion A of the first embodiment of the present invention shown in FIG. 4;

FIG. 6 is an enlarged view of portion A of the second embodiment of the present invention shown in FIG. 4;

fig. 7 is an enlarged view of a portion a of the third embodiment of the present invention shown in fig. 4;

fig. 8 is an enlarged view of a portion a of the fourth embodiment of the present invention shown in fig. 4.

Description of reference numerals:

100. a sound producing device; 1. a basin stand assembly; 11. a basin stand; 111. a cavity is communicated; 112. a projection; 12. washer; 121. a frame body; 122. a fixed part; 123. a connecting portion; 124. a washer body; 125. an extension portion; 2. a magnetic circuit assembly; 21. internal magnetic steel; 22. external magnetic steel; 23. a yoke; 24. a central washer; 3. a vibrating assembly; 31. vibrating diaphragm; 311. a through hole; 32. sticking the middle layer; 33. a voice coil; 34. a centering support; 4. a front cover; 41. an avoidance cavity; 42. and (4) a step.

Detailed Description

In order 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 "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.

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.

Referring to fig. 1 and 2, the sound generating apparatus 100 includes a frame assembly 1, a magnetic circuit assembly 2, a vibration assembly 3, and a front cover 4. The magnetic circuit component 2 is arranged at the second end of the basin stand component 1. The vibration component 3 is partially arranged in the basin stand component 1, and the vibration component 3 vibrates up and down according to the vibration component. The protecgulum 4 sets up in the first end of basin frame subassembly 1, and protecgulum 4 housing vibration subassembly 3. When the magnetic circuit component 2 is electrified, part of the vibration component 3 moves up and down to drive part of the vibration component 3 to vibrate up and down to generate sound.

Referring to fig. 2 and 3 for the above-described frame assembly 1, the frame assembly 1 includes a frame 11 and a washer 12. The frame 11 has a first end and a second end which are oppositely arranged, and the frame 11 is provided with a through cavity 111 which extends from the first end to the second end. The washer 12 includes a frame 121, a fixing portion 122, a connecting portion 123 and a washer body 124, the frame 121 is embedded in the basin frame 11, and the connecting portion

The two ends of the support 123 are respectively connected with the fixing part 122 and the frame body 121, the fixing part 122 is arranged at the end part of the first end of the basin frame 11, the washer body 124 is connected with the frame body 121, and the washer body 124 is located in the through cavity 111.

In some embodiments, the frame 11 is made of plastic so that the frame body 121, the fixing portion 122 and the connecting portion 123 are embedded in the frame 11.

In some embodiments, the number of the connecting portions 123 may be multiple, and two ends of the connecting portions 123 are respectively connected to the fixing portion 122 and the frame 121, but the number of the connecting portions 123 is not limited thereto, and can be set according to actual requirements.

In some embodiments, referring to fig. 7, the washer 12 further includes an extending portion 125, the extending portion 125 is connected to the fixing portion 122, the extending portion 125 is opposite to the connecting portion 123, and both the extending portion 125 and the connecting portion 123 are embedded in the frame 11. The connection portion 123 and/or the extension portion 125 are/is provided with a plugging hole (not shown), and the frame 11 is provided with a plug connector (not shown) which is plugged into the plugging hole, so that the frame 11 and the washer 12 are firmly fixed.

Referring to fig. 2, the magnetic circuit assembly 2 includes an inner magnetic steel 21, an outer magnetic steel 22, a yoke 23, and a central washer 12, the inner magnetic steel 21 and the outer magnetic steel 22 are both disposed on the same side of the yoke 23, an annular gap is disposed between the inner magnetic steel 21 and the outer magnetic steel 22, the central washer 12 is disposed on a surface of the inner magnetic steel 21 facing away from the yoke 23, the yoke 23 is fixed to an end surface of a second end of the basin stand 11, and the inner magnetic steel 21, the outer magnetic steel 22, and the central washer 12 are disposed in the through cavity 111.

Referring to fig. 2, the vibration assembly 3 includes a diaphragm 31, a middle paste 32, and a voice coil 33. The vibrating diaphragm 31 surrounds the middle sticker 32, the inner edge of the vibrating diaphragm 31 is fixed to the middle sticker 32, the outer edge of the vibrating diaphragm 31 is fixed to the end face of the first end of the basin frame 11, and the vibrating diaphragm 31 and the middle sticker 32 cover the opening of the through cavity 111 at the first end of the basin frame 11. The voice coil 33 is in a ring shape, one end of the voice coil 33 is fixed on the surface of the middle paste 32 facing the through cavity 111, the other end of the voice coil 33 is located in the annular gap, and the voice coil 33 can move in the annular gap, when the voice coil 33 moves up and down in the annular gap, the middle paste 32 drives the diaphragm 31 to vibrate up and down to generate sound.

In some embodiments, the diaphragm 31 is provided with a through hole 311, and the through hole 311 is located at the inner edge of the diaphragm 31. The through holes 311 serve to reduce the weight of the diaphragm 31.

In some embodiments, the vibration assembly 3 further comprises a spider 34, the spider 34 being disposed at an end of the voice coil 33 facing away from the central post 32, and the spider 34 being in communication with the voice coil 33 and the frame 11, respectively. The spider 34 is used to provide a certain supporting force to the voice coil 33.

Referring to fig. 1, 2, 4 and 5, the front cover 4 and the fixing portion 122 are fixed by welding, so that the front cover 4 and the frame 11 are fixed more stably. In some embodiments, the welding is laser welding. The surface of the front cover 4 facing the through cavity 111 is provided with a relief cavity 41, and the relief cavity 41 accommodates a portion of the outer edge of the diaphragm 31 fixed to the end surface of the first end of the frame 11, so that the diaphragm 31 is fixed to the frame 11.

In some embodiments, referring to fig. 6, the outer edge of the diaphragm 31 is bent, a protruding portion 112 extends from the first end surface of the frame 11, and the protruding portion 112 abuts against the bent portion of the outer edge of the diaphragm 31, so that the diaphragm 31 and the frame 11 are fixed more firmly. Referring to fig. 8, the outer edge of the diaphragm 31 is bent at two positions, the wall surface of the avoiding cavity 41 is provided with a step 42, the protrusion 112 abuts against one bent position of the outer edge of the diaphragm 31, and the step 42 abuts against the other bent position of the outer edge of the diaphragm 31.

In some embodiments, referring to fig. 1 to fig. 3, the number of the fixing portions 122 and the connecting portions 123 may be multiple, two ends of the connecting portion 123 are respectively connected to the frame 121 and the fixing portion 122, and the front cover 4 is welded to the fixing portions 122, but the number of the fixing portions 122 and the connecting portions 123 is not limited thereto, and may be set according to actual requirements. Of course, the number of the fixing portions 122 and the connecting portions 123 can also be four, one end of the connecting portion 123 is connected to one corner of the frame 121, a fixing portion 122 is connected to the other end of the connecting portion 123, a fixing portion 122 is located at a corner of the end face of the first end of the frame 11, and one corner of the front cover 4 is welded to the fixing portion 122.

The embodiment of the utility model provides an in, sound generating mechanism 100 includes basin frame subassembly 1, magnetic circuit assembly 2, vibration subassembly 3 and protecgulum 4, basin frame subassembly 1 includes basin frame 11 and china department 12, basin frame 11 has relative first end and the second end that sets up, basin frame 11 is provided with the through cavity 111 that extends toward the second end from first end, china department 12 includes framework 121, fixed part 122, connecting part 123 and china department body 124, framework 121 buries underground in basin frame 11, connecting part 123 is connected with fixed part 122 and framework 121 respectively, fixed part 122 sets up in the first end of basin frame 11, china department body 124 is connected with framework 121, and china department body 124 is located through cavity 111, magnetic circuit assembly 2 is fixed in the second end of basin frame 11, magnetic circuit assembly 2's part inserts through cavity 111, vibration subassembly 3 is fixed in the tip of the first end of basin frame 11, vibration subassembly 3's part inserts through cavity 111, under subassembly 2's effect, vibration subassembly 3 produces the vibration, protecgulum 4 sets up in the first end of basin frame 11, protecgulum 4 vibration housing subassembly 3, protecgulum 4 and fixed part 122 welded fastening. Through protecgulum 4 and fixed part 122 welded fastening, the fixed strength of reinforcing protecgulum 4 and basin frame subassembly 1 avoids falling the experimentation in the limit, the condition that protecgulum 4 and basin frame subassembly 1 drop appears easily.

The utility model discloses still provide the electronic equipment embodiment, electronic equipment includes foretell sound generating mechanism 100, can refer to above-mentioned embodiment to sound generating mechanism 100's concrete structure and function, and here is no longer repeated one by one.

It should be noted that the preferred embodiments of the present invention are described in the specification and the drawings, but the present invention can be realized in many different forms, and is not limited to the embodiments described in the specification, and these embodiments are not provided as additional limitations to the present invention, and are provided for the purpose of making the understanding of the disclosure of the present invention more thorough and complete. Moreover, the above technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A sound generating device, comprising:

the basin frame assembly comprises a basin frame and a washer, the basin frame is provided with a first end and a second end which are oppositely arranged, the basin frame is provided with a through cavity extending from the first end to the second end, the washer comprises a frame body, a fixing part, a connecting part and a washer body, the frame body is embedded in the basin frame, the connecting part is respectively connected with the fixing part and the frame body, the fixing part is arranged at the end part of the first end of the basin frame, the washer body is connected with the frame body, and the washer body is positioned in the through cavity;

the magnetic circuit assembly is fixed at the second end of the basin frame, and part of the magnetic circuit assembly is inserted into the through cavity;

the vibration assembly is fixed at the first end of the basin frame, part of the vibration assembly is inserted into the through cavity, and the vibration assembly generates vibration under the action of the magnetic circuit assembly;

the protecgulum, set up in the first end of basin frame, the protecgulum housing the vibration subassembly, protecgulum and fixed part welded fastening.

2. The sound-emitting device of claim 1,

the washer further comprises an extension part, the extension part is connected with the fixing part, the extension part is opposite to the connecting part, and the extension part and the connecting part are both embedded in the basin frame.

3. The apparatus according to claim 2,

the connecting part and/or the extending part are/is provided with a plug hole, the basin frame is provided with a plug connector, and the plug connector is plugged in the plug hole.

4. The sound-emitting device of claim 1,

the number of the fixing parts and the connecting parts is multiple, two ends of one connecting part are respectively connected with the frame body and the fixing parts, and the front cover is welded with the fixing parts.

5. The sound-emitting device according to claim 4,

the quantity of fixed part and connecting portion is four, one the one end of connecting portion is connected in the one corner of framework, one the fixed part is connected in one the other end of connecting portion, one the fixed part is located the one corner of the terminal surface of the first end of basin frame and falls, the one corner of protecgulum falls to weld in one the fixed part.

6. The sound generating apparatus according to any one of claims 1 to 5,

the vibration subassembly includes vibrating diaphragm, voice coil loudspeaker voice coil and well subsides, the vibrating diaphragm encircles well subsides, and the interior limit of vibrating diaphragm with well subsides are fixed, the outside of vibrating diaphragm is fixed in the terminal surface of the first end of basin frame, vibrating diaphragm and well subsides cover lead to the chamber in the opening of the first end of basin frame, the one end of voice coil loudspeaker voice coil is fixed in well wainscot to lead to the surface in chamber, the voice coil loudspeaker voice coil inserts lead to the intracavity.

7. The apparatus according to claim 6,

the surface of the front cover facing the through cavity is provided with an avoiding cavity, and the part of the vibrating diaphragm fixed on the end face of the first end of the basin frame is contained in the avoiding cavity.

8. The apparatus according to claim 6,

the outer edge of the vibrating diaphragm is arranged in a bent mode, a protruding portion extends from the end face of the first end of the basin frame, and the protruding portion abuts against the bent portion of the outer edge of the vibrating diaphragm.

9. The apparatus according to claim 6,

the magnetic circuit assembly comprises inner magnetic steel, outer magnetic steel, a yoke and a central washer, the inner magnetic steel and the outer magnetic steel are arranged on the same side of the yoke, an annular gap is formed between the inner magnetic steel and the outer magnetic steel, the central washer is arranged on one surface, away from the yoke, of the inner magnetic steel, the yoke is fixed with the end face of the second end of the basin frame, the inner magnetic steel, the outer magnetic steel and the central washer are located in the through cavity, the voice coil is located in the annular gap, and the voice coil can move in the annular gap.

10. An electronic device comprising a sound emitting apparatus as claimed in any one of claims 1-9.

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