CN217825346U - Speaker and electronic equipment - Google Patents

Abstract

The utility model belongs to the technical field of the acoustoelectric equipment, concretely relates to speaker and have electronic equipment of this speaker. The utility model discloses a speaker includes casing, first china department, magnetic circuit assembly and support piece, first china department links to each other with the casing and forms and holds the chamber, magnetic circuit assembly links to each other with first china department and locates and hold the chamber, support piece locate hold the chamber outside and with the internal face looks butt of casing, first china department includes at least one first kink, first china department is located to at least one first kink and deviates from the side that holds the chamber, at least one first kink is pegged graft and is set up in the lateral wall of casing and relative with support piece. According to the utility model discloses a loudspeaker can prevent effectively that first kink from taking place to warp towards the central point of casing and then prevent because first china department warp and casing phase separation, guarantees security and the reliability that loudspeaker used.

Description

Speaker and electronic equipment

Technical Field

The utility model belongs to the technical field of the acoustoelectric equipment, concretely relates to speaker and have electronic equipment of this speaker.

Background

A speaker plays an indispensable role in a sound reproduction system as a common electroacoustic transducer device for converting electric energy into acoustic energy. The loudspeaker is the weakest component in the sound reproduction system, and is the most important component for the sound reproduction effect. The loudspeaker has various types, and audio electric energy enables a cone or a diaphragm to vibrate and generate resonance with surrounding air to make sound through electromagnetic, piezoelectric or electrostatic effects. Therefore, people can hear wonderful sound just with the appearance of the loudspeaker and the receiver.

At present, in order to meet the requirements of performance and reliability of a loudspeaker, a washer of a magnetic circuit system needs to be fixed in a shell in an injection molding mode sometimes, and the washer and the shell are separated due to the deformation of the shell in the use process, so that the normal use and the product qualification rate of products are influenced. In addition, under the influence of the magnetic circuit component, the washer can also bend towards the central position under the attraction of the magnet, so that the problem that the washer is separated from the shell is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of phase separation between the washer and the shell at least. This object is achieved by:

a first aspect of the present invention provides a speaker, the speaker includes:

a housing;

the first washer is connected with the shell and forms an accommodating cavity;

the magnetic circuit assembly is connected with the first washer and arranged in the accommodating cavity;

the supporting piece is arranged outside the accommodating cavity and is abutted against the inner wall surface of the shell;

the first washer comprises at least one first bending part, the at least one first bending part is arranged on the side face, away from the accommodating cavity, of the first washer, and the at least one first bending part is inserted into the side wall of the shell and is arranged opposite to the supporting piece.

According to the utility model discloses a loudspeaker, through set up first kink on first china department and peg graft in the lateral wall of casing first kink, thereby improve the support intensity of casing, prevent that the casing from warping, set up support piece in the inside of casing simultaneously, with the internal face looks butt of support piece and casing and set up with first kink relatively, thereby support first kink when support piece supports the casing, prevent that first kink from putting towards the central point of casing and taking place to warp, and then prevent because first china department warp and casing phase separation, guarantee security and reliability that the loudspeaker used.

In addition, according to the utility model discloses a speaker can also have following additional technical characterstic:

in some embodiments of the present invention, the support member is a metal ring member, and the support member is connected to the inner wall surface of the housing by interference.

In some embodiments of the present invention, the first washer further comprises at least one second bending portion, the at least one second bending portion is disposed toward the first washer, the side of the accommodating cavity is inserted into the at least one second bending portion.

In some embodiments of the present invention, the at least one first bending portion and the at least one second bending portion are disposed at intervals along a circumferential direction of the first washer.

In some embodiments of the invention, at least one of the at least one first bend and the at least one second bend is provided with a through hole.

In some embodiments of the present invention, the first washer and the housing are integrally formed by injection molding.

The utility model discloses an in some embodiments, the speaker still includes the coil, the axis of coil with the axis of casing is mutually perpendicular, first china department includes first china department and second china department, first china department with second china department follows the radial direction of casing sets up relatively, just first china department with be formed with first logical groove between second china department, the coil passes first logical groove.

In some embodiments of the present invention, the magnetic circuit assembly includes a first magnetic circuit assembly and a second magnetic circuit assembly, the first magnetic circuit assembly is connected to the first washer portion, the second magnetic circuit assembly is connected to the second washer portion, the first magnetic circuit assembly is connected to the second magnetic circuit assembly to form a second through groove, the second through groove is connected to the first through groove, and the first through groove is formed into a magnetic gap for the coil to pass through.

In some embodiments of the present invention, the support member is provided with a vibrating diaphragm on one side away from the first washer, and the coil passes through the magnetic gap and is connected to the vibrating diaphragm.

Another aspect of the present invention further provides an electronic device, wherein the electronic device has the speaker described in any one of the above embodiments.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. Wherein:

fig. 1 is a schematic structural diagram of a speaker according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of another angle of the speaker according to an embodiment of the present invention;

fig. 3 isbase:Sub>A schematic view ofbase:Sub>A cross-sectional structurebase:Sub>A-base:Sub>A ofbase:Sub>A speaker according to an embodiment of the present invention;

fig. 4 is a schematic view of a connection structure between a housing and a supporting member according to an embodiment of the present invention;

fig. 5 is a schematic view of a connection structure between the housing and the first washer according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a first washer according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a first washer portion according to an embodiment of the present invention;

fig. 8 is a schematic structural view of relative positions of the magnetic circuit assembly and the coil according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a magnetic circuit assembly according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of a speaker assembly according to an embodiment of the present invention;

fig. 11 is a schematic structural diagram of a cover plate according to an embodiment of the present invention;

fig. 12 is a schematic structural view of a yoke according to an embodiment of the present invention.

The reference symbols in the drawings denote the following:

1: a speaker;

10: a housing;

20: first washer, 21: first washer portion, 211: first bent portion, 212: second bent portion, 2121: through hole, 213: straight plate portion, 22: a second washer section;

30: magnetic circuit assembly, 31: first magnetic circuit assembly, 311: first magnet, 312: second washer, 313: third magnet, 32: second magnetic circuit assembly, 321: second magnet, 322: third washer, 323: fourth magnet, 33: a coil;

40: speaker assembly, 41: support member, 42: vibrating diaphragm;

50: cover plate, 51: a sound outlet;

60: yoke, 61: and (6) a groove.

Detailed Description

Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "in 8230 \8230; below" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The washer of the magnetic circuit system of the existing loudspeaker needs to be fixed in the shell in an injection molding mode sometimes, and the washer and the shell are separated due to the deformation of the shell in the use process, so that the normal use and the product qualification rate of products are affected. In addition, under the influence of the magnetic circuit assembly, the washer can also bend towards the central position under the attraction of the magnet, so that the problem of separation of the washer and the shell is caused

In order to solve the problem of phase separation between the washer and the shell, the utility model provides a loudspeaker. With reference to fig. 1 to 7, in some embodiments of the present invention, the speaker 1 includes a housing 10, a first washer 20, a magnetic circuit assembly 39 and a supporting member 41, the first washer 20 is connected to the housing 10 and forms an accommodating cavity, the magnetic circuit assembly 30 is connected to the first washer 20 and is disposed in the accommodating cavity, the supporting member 40 is disposed outside the accommodating cavity and abuts against an inner wall surface of the housing 10, the first washer 20 includes at least one first bending portion 211, the at least one first bending portion 211 is disposed on a side surface of the first washer 20 facing away from the accommodating cavity, and the at least one first bending portion 211 is inserted into a sidewall of the housing 10 and is disposed opposite to the supporting member 41.

As shown in fig. 1, one end of the housing 10 where the cover plate 50 is located is a top of the housing 10, and the other end of the housing 10 opposite to the cover plate 50 is a bottom of the housing 10.

Specifically, in some embodiments of the present invention, the housing 10 is a cylindrical structure with an upper opening and a lower opening, and is used to form an integral frame structure of the speaker 1. A cover plate 50 is disposed at the top opening of the casing 10, and a magnetic yoke 60 is disposed at the bottom opening of the casing 10, so that the openings at both ends of the casing 10 are respectively sealed by the cover plate 50 and the magnetic yoke 60, and other components are disposed inside the casing 10. The first washer 20 is arranged in the housing 10, a containing cavity for installing the magnetic circuit assembly 30 is formed among the first washer 20, the housing 10 and the magnetic yoke 60, and a mounting cavity for installing the diaphragm assembly 40 is formed among the first washer 20, the housing 10 and the cover plate 50. The supporting member 41 is disposed in the mounting cavity at the top of the housing 10 and abuts against the inner wall surface of the housing 10, so as to provide a certain radial supporting force for the housing 10, when the housing 10 has a tendency of deforming toward the inside in the radial direction, the support function of the supporting member 41 can effectively prevent the housing 10 from deforming, improve the supporting strength for the housing 10, and thus prevent the housing 10 from being separated from the first washer 20.

The first washer 20 includes at least one first bent portion 211, which is a portion disposed at an angle to the plate surface of the first washer 20. Specifically, the first bending portion 211 is disposed on a side surface of the first washer 20 away from the accommodating cavity, and the first bending portion 211 is inserted into a sidewall of the housing 10 and disposed opposite to the supporting member 41, and the housing 10 is clamped and fixed together by the first bending portion 211 and the supporting member 41. Because the supporting member 41 is disposed opposite to the first bending portion 211, the supporting member 41 supports the first bending portion 211 while supporting the housing 10, and provides sufficient radial supporting force for the first bending portion 211, so as to effectively prevent the first bending portion 211 from deforming toward the center of the housing 10, and further prevent the first washer 20 from deforming and separating from the housing 10, thereby ensuring the safety and reliability of the speaker 1. The specific number of the first bending portions 211 is not limited, and may be one or multiple.

Referring to fig. 3 and 4, in some embodiments of the present invention, the supporting member 41 is a metal ring member, and the supporting member 41 is connected to the inner wall surface of the casing 10 by interference.

Specifically, since in some embodiments of the present invention, the housing 10 is a cylindrical structure, the inside of the housing 10 is a cylindrical structure, in order to ensure that the supporting member 41 contacts with each position of the same circumferential direction on the housing 10, respectively, so as to provide radial supporting force for each position of the same circumferential direction on the housing 10, the supporting member 41 is configured as a ring member, and in order to ensure the supporting strength and the deformation resistance of the supporting member 41, the supporting member 41 is configured as a metal ring member. Meanwhile, the supporting member 41 is in interference connection with the inner wall surface of the housing 10, so that the supporting member 41 always maintains a supporting state with respect to the housing.

With reference to fig. 3 to 7, in some embodiments of the present invention, the first washer 20 further includes at least one second bending portion 212, the at least one second bending portion 212 is disposed on a side surface of the first washer 20 facing the accommodating cavity, and the at least one second bending portion 212 is inserted into the sidewall of the housing 10.

Specifically, in some embodiments of the present invention, the first washer 20 is a split structure, and includes a first washer portion 21 and a second washer portion 22 which are arranged oppositely, and a first through slot for the coil 33 to pass through is provided between the first washer portion 21 and the second washer portion 22. Wherein, the first washer portion 21 and the second washer portion 22 have the same structure, as shown in fig. 6, one of the first washer portion 21 and the second washer portion 22 is rotated 180 ° around the axis of the housing 10, and the other of the first washer portion 21 and the second washer portion 22 is obtained. For convenience of description, the first washer 21 is merely exemplified in the present application.

Wherein, first china department 21 is whole to be roughly semi-circular platelike structure, and is equipped with first kink 211 on the side that first china department 21 deviates from holding the chamber, be equipped with first kink 211 at the upper surface of first china department 21 promptly, be equipped with second kink 212 on the side that first china department 21 held the chamber towards, be equipped with second kink 212 at the lower surface of first china department 21 promptly, and first kink 211 and second kink 212 all peg graft in the lateral wall of casing 10, thereby fix the radial direction of first china department 21 jointly through first kink 211 and second kink 212, and then prevent that first china department 21 from taking place the displacement along radial direction, avoid first china department 21 and casing 10 phase separation. Meanwhile, due to the arrangement of the first bending part 211 and the second bending part 212, the first washer part 21 can be effectively prevented from moving in the axial direction, and the first washer part 21 can be further prevented from being separated from the housing 10.

As shown in fig. 6 to 7, in some embodiments of the present invention, at least one first bending portion 211 and at least one second bending portion 212 are disposed at intervals along the circumferential direction of the first washer 21.

Specifically, the number of the first bending portion 211 is one, the number of the second bending portion 212 is two, the first bending portion 211 and the second bending portion 212 are respectively arranged along the outer edge of the first washer portion 21, and the two second bending portions 212 are respectively arranged on two sides of the first bending portion 211, so that the stress of the first washer portion 21 in the circumferential direction is more uniform, and the first washer portion 21 is prevented from being bent laterally.

As shown in fig. 5 to 7, in some embodiments of the present invention, at least one of the at least one first bent portion 211 and the at least one second bent portion 212 is provided with a through hole 2121.

Specifically, the second bent portion 212 is provided with a through hole 2121. When the second bending portion 212 is inserted into the sidewall of the housing 10, a part of the structure of the housing 10 can be inserted into the through hole, so as to further improve the connection strength between the second bending portion 212 and the housing 10, and prevent the first washer portion 21 from being separated from the housing 10.

Referring to fig. 6 to 7 again, in some embodiments of the present invention, an included angle between the first bent portion 211 and/or the second bent portion 212 and the plate surface of the first washer 20 is a substantially right angle.

Specifically, the first bending portion 211 and the second bending portion 212 are respectively disposed at a right angle with the plate surface of the first washer 21, so that the first bending portion 211 and the second bending portion 212 can be effectively prevented from sliding out of the housing 10.

Referring to fig. 6 to 7 again, in some embodiments of the present invention, a straight plate portion 213 is further disposed on the first washer portion 21, and the straight plate portion 213 is also disposed on the outer edge of the first washer portion 21 and is parallel to the plate surface of the first washer portion 21. The first washer portion 21 is effectively prevented from being shifted in the axial direction by the arrangement of the straight plate portion 213, and the first washer portion 21 is further prevented from being separated from the housing 10.

Further, in some embodiments of the present invention, the first washer 20 is integrally injection molded with the housing 10.

Specifically, in the injection molding process, the first washer 20 is placed on a mold, then the housing 10 is injected into the mold, and the housing 10 is cooled and then integrally molded with the first washer 20, so that the assembly precision between the first washer 20 and the housing 10 is ensured, and meanwhile, the tightness between the first washer 20 and the housing 10 is ensured, so that the first washer 20 is prevented from being separated from the housing 10.

As shown in fig. 3, 8, 9 and 10, in some embodiments of the present invention, the speaker 1 further includes a coil 33, a vibrating diaphragm 42 is disposed on a side of the supporting member 41 away from the first washer 20, an axis of the coil 33 is perpendicular to an axis of the housing 10, and the coil 33 passes through the first through groove and is connected to the vibrating diaphragm 42.

Specifically, a side of the supporting member 41 facing away from the first washer 20 is provided with a diaphragm 42, and a side of the supporting member 41 facing the first washer 20 is connected to the first washer 20 and the housing 10 so as to fix an axial direction of the first washer 20, wherein the diaphragm 42 and the supporting member 41 together form a diaphragm assembly 40 of the loudspeaker 1.

The magnetic circuit component 30 comprises a first magnetic circuit component 31 and a second magnetic circuit component 32 which are oppositely arranged, the first magnetic circuit component 31 is connected with the first washer portion 21, the second magnetic circuit component 32 is connected with the second washer portion 22, a second through groove used for penetrating the coil 33 is formed between the first magnetic circuit component 31 and the second magnetic circuit component 32, the second through groove and the first through groove are opposite to and communicated with each other to form a magnetic gap of the magnetic circuit component 30, and the coil 33 penetrates through the magnetic gap to be connected with the diaphragm 42. The first magnetic circuit assembly 31 comprises a first magnet 311, a second washer 312 and a third magnet 313 which are connected in sequence, the first magnet 311 is connected with the first washer 21, the second magnetic circuit assembly 32 comprises a second magnet 321, a third washer 322 and a fourth magnet 323 which are connected in sequence, and the second magnet 321 is connected with the second washer 22. The first magnet 311 is arranged opposite to the second magnet 321 with a gap, the second washer 312 is arranged opposite to the third washer 322 with a gap, and the third magnet 313 is arranged opposite to the fourth magnet 323 with a gap. The coil 33 has a flat structure, the axis of the coil 33 is perpendicular to the axis of the housing 10, and the coil 33 is inserted between the first magnetic circuit assembly 31 and the second magnetic circuit assembly 32 so as to move in the axial direction of the housing 10. Coil 33 passes through the wire and links to each other with external power source, and the top of coil 33 links to each other with the bottom of vibrating diaphragm 42 simultaneously to when coil 33 circular telegram, coil 33 moves along the axial direction of casing 10 under the combined action of first magnetic circuit component 31 and second magnetic circuit component 32, and then drives vibrating diaphragm 42 vibration, thereby produces sound.

As shown in fig. 2, fig. 3 and fig. 11, in some embodiments of the present invention, the cover plate 50 is disposed at the top of the casing 10 and opposite to the diaphragm 42, and the cover plate 50 is provided with a plurality of sound outlets 51, so that when the diaphragm 42 vibrates to generate sound, the sound can be transmitted to the outside of the speaker 1 through the sound outlets 51.

With reference to fig. 3 and 12, in some embodiments of the present invention, the bottom of the housing 10 is disposed on the yoke 60, and the central position of the yoke 60 is provided with a groove 61 corresponding to the coil 33, so that when the coil 33 vibrates, the coil 33 is avoided to a certain extent through the groove 61, the coil 33 is prevented from striking the yoke 60 in the vibration process, the vibration amplitude of the coil 33 is increased, and the sound quality of the speaker 1 is improved.

The utility model discloses an on the other hand has still provided an electronic equipment, and this electronic equipment has the speaker 1 of any above-mentioned embodiment, because this electronic equipment has the speaker 1 of any above-mentioned embodiment, consequently has the same technological effect of above-mentioned speaker 1, no longer gives unnecessary details here.

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 changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A loudspeaker, comprising:

a housing;

the first washer is connected with the shell and forms an accommodating cavity;

the magnetic circuit assembly is connected with the first washer and arranged in the accommodating cavity;

the supporting piece is arranged outside the accommodating cavity and is abutted against the inner wall surface of the shell;

the first washer comprises at least one first bending part, the at least one first bending part is arranged on the side face, departing from the accommodating cavity, of the first washer, and the at least one first bending part is inserted into the side wall of the shell and is arranged opposite to the supporting piece.

2. The loudspeaker of claim 1, wherein the support member is a metal ring member, and the support member is in interference fit with an inner wall surface of the housing.

3. The loudspeaker of claim 1, wherein the first washer further comprises at least one second bent portion, the at least one second bent portion is disposed on a side surface of the first washer facing the accommodating cavity, and the at least one second bent portion is inserted into the side wall of the housing.

4. The loudspeaker of claim 3, wherein the at least one first bend and the at least one second bend are spaced apart along a circumferential direction of the first washer.

5. A loudspeaker according to claim 3, wherein at least one of the at least one first bend and the at least one second bend is provided with a through hole.

6. The loudspeaker of claim 1, wherein the first washer is integrally injection molded with the housing.

7. The loudspeaker according to claim 1, further comprising a coil, wherein the axis of the coil is perpendicular to the axis of the housing, the first washer comprises a first washer portion and a second washer portion, the first washer portion and the second washer portion are arranged oppositely along the radial direction of the housing, a first through groove is formed between the first washer portion and the second washer portion, and the coil penetrates through the first through groove.

8. The loudspeaker of claim 7, wherein the magnetic circuit assembly comprises a first magnetic circuit assembly and a second magnetic circuit assembly, the first magnetic circuit assembly is connected with the first washer, the second magnetic circuit assembly is connected with the second washer, a second through groove is formed between the first magnetic circuit assembly and the second magnetic circuit assembly, and the second through groove is opposite to the first through groove and is communicated with the first through groove to form a magnetic gap for the coil to pass through.

9. The loudspeaker of claim 8, wherein a diaphragm is disposed on a side of the support member facing away from the first washer, and the coil passes through the magnetic gap and is connected to the diaphragm.

10. An electronic device characterized by having a speaker according to any one of claims 1 to 9.

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