CN215345052U - Speaker and electronic apparatus - Google Patents

Abstract

The utility model discloses a loudspeaker and electronic equipment, wherein the loudspeaker comprises a shell and a sounding monomer, the shell is a metal piece, the shell comprises a first shell and a second shell, the first shell and the second shell are connected and enclosed to form an accommodating cavity, the second shell is provided with an abutting part, and the abutting part is positioned in the accommodating cavity; the sound generating unit is arranged in the accommodating cavity and is enclosed with the shell to form a rear sound cavity; the abutting part abuts against the edge of the sounding monomer and is matched with the first shell to clamp and fix the sounding monomer. The loudspeaker of the technical scheme of the utility model can greatly improve the installation stability of the sounding monomer.

Description

Speaker and electronic apparatus

Technical Field

The present invention relates to the field of speaker technologies, and in particular, to a speaker and an electronic device.

Background

Along with the development of science and technology, people demand higher and higher to electronic equipment's tone quality, and the speaker among the electronic equipment receives the influence of electronic equipment outward appearance structure, and its volume also is littleer and littleer.

At present, when the loudspeaker shell existing on the market is an all-metal part, due to the factors such as small space of the all-metal shell, processing characteristics and the like, no effective fixing mode exists after the loudspeaker monomer is installed in the metal shell. Therefore, when the falling or falling experiment occurs accidentally, the single loudspeaker is easy to fall off, and the acoustic performance and the structural stability of the loudspeaker are seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a loudspeaker, aiming at improving the fixing stability of a loudspeaker monomer in the loudspeaker.

In order to achieve the above object, the present invention provides a speaker comprising:

the shell is a metal piece and comprises a first shell and a second shell, the first shell and the second shell are connected and enclosed to form an accommodating cavity, the second shell is provided with a butting part, and the butting part is positioned in the accommodating cavity; and

the sound generating unit is arranged in the accommodating cavity and forms a rear sound cavity together with the shell in a surrounding manner;

the abutting part abuts against the edge of the sounding monomer and is matched with the first shell to clamp and fix the sounding monomer.

In an optional embodiment, the abutting portion abuts against a side of the sound generating unit close to the second housing.

In an optional embodiment, the plurality of abutting portions are symmetrically abutted against one side of the sounding single body close to the second housing.

In an alternative embodiment, the second housing includes a lower panel and a skirt provided at a peripheral edge of the lower panel, the skirt is connected to a peripheral edge of the first housing, and the abutment portion is formed by a portion of the skirt.

In an optional embodiment, the first shell includes an upper panel and an upper surrounding plate disposed on a periphery of the upper panel, the upper panel and the upper surrounding plate surround to form a mounting groove, the sound-generating unit is disposed in the mounting groove, the upper panel is provided with a sound outlet corresponding to a diaphragm of the sound-generating unit, and the upper surrounding plate is connected to the skirt.

In an optional embodiment, the second housing further includes a side plate connected to a periphery of the lower panel, the skirt is disposed on a periphery of the side plate, the skirt is parallel to the lower panel, the abutting portion includes a convex hull protruding from the skirt in a direction toward the upper panel and a concave hull recessed from the side plate in a direction toward a center thereof, the convex hull and the concave hull are disposed correspondingly, and the convex hull abuts against the surface of the sound generating unit facing the lower panel.

In an optional embodiment, the periphery of the upper enclosing plate is bent towards the accommodating cavity to form a buckling part, and the buckling part abuts against the surface of the skirt edge, which deviates from the sounding monomer;

and/or, the first casing in still be equipped with the support in the mounting groove, the sound production monomer is fixed in on the support, butt portion with the common centre gripping of support is fixed the sound production monomer.

In an optional embodiment, the abutting portion is formed by bending and extending a part of the skirt edge towards the upper panel, and an end face of the abutting portion and the upper panel jointly clamp and fix the sounding unit.

In an optional embodiment, the periphery of the upper enclosing plate is provided with a mounting hole, a supporting portion is bent and extended into the accommodating cavity from the edge of the mounting hole, the supporting portion abuts against the side face of the sounding monomer, and an avoiding space is formed by the enclosing of the skirt and the supporting portion.

In an optional embodiment, a first connecting portion is arranged on the periphery of the first housing, a second connecting portion is arranged on the periphery of the second housing, one of the first connecting portion and the second connecting portion is a positioning protrusion, the other of the first connecting portion and the second connecting portion is a positioning groove, and the positioning protrusion is fixed in the corresponding positioning groove;

and/or the inner peripheral wall of the first shell is matched with the outer peripheral edge of the second shell to define a second glue containing groove.

The utility model further provides an electronic device, which includes the loudspeaker.

The loudspeaker comprises the shell and the sound production unit, the shell comprises the first shell and the second shell, the first shell and the second shell are enclosed to form the containing cavity, the sound production unit is arranged in the containing cavity and is enclosed with the shell to form the rear sound cavity, the shell is a metal piece, so that extra welding thickness is not required to be increased during connection, the volume of the sound cavity is larger than that of the shell of an injection molding piece, and the acoustic performance of the loudspeaker is effectively improved. Meanwhile, the second shell is provided with an abutting part positioned in the accommodating part, can abut against the edge of the sounding monomer and is matched with the first shell to clamp and fix the sounding monomer together, so that an effective limiting effect is provided in the direction from the first shell to the second shell, the mounting stability of the sounding monomer in the accommodating cavity can be improved, the falling-off phenomenon caused by falling is reduced, and the acoustic performance and the overall structural stability of the loudspeaker are improved; and the butt joint part is abutted against the edge of the sounding monomer, thereby avoiding the influence on the air flow in the rear sound cavity and improving the acoustic performance of the rear sound cavity.

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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

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

FIG. 2 is a schematic view of the speaker of FIG. 1 from another perspective;

fig. 3 is an exploded view of the loudspeaker of fig. 1;

FIG. 4 is a top view of the speaker of FIG. 1;

fig. 5 is a perspective cross-sectional view taken along line I-I of the speaker shown in fig. 4;

FIG. 6 is an enlarged view taken at A in FIG. 5;

fig. 7 is a schematic structural view of a second housing of the loudspeaker of fig. 1;

FIG. 8 is a schematic structural diagram of another embodiment of a speaker according to the present invention;

FIG. 9 is a schematic view of the speaker of FIG. 8 from another perspective;

fig. 10 is an exploded view of the speaker of fig. 8;

fig. 11 is a top view of the speaker of fig. 8;

fig. 12 is a perspective sectional view of the speaker of fig. 11 taken along line II-II;

FIG. 13 is an enlarged view at B in FIG. 12;

fig. 14 is a schematic structural view of a second housing of the loudspeaker shown in fig. 8.

The reference numbers illustrate:

100	loudspeaker	131	Lower panel
				10	Outer casing	133	Skirt edge
10a	Containing cavity		1331					Abutting part
				10b	Second glue containing groove	1331a	Convex hull
11	First shell	1333	Gap
				11a	Mounting groove		1335	Second connecting part
111	Upper panel	135	Side plate
				1111	Sound outlet	1351	Concave bag
113	Upper coaming plate	15	Support frame
				1131	Buckling part	30	Sound monomer
1133	Mounting hole	31	Side magnet part
				1135	Supporting part	33	Vibrating diaphragm
1137	First connecting part	50	Flexible circuit board
				13	Second shell	70	Damping block

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a loudspeaker, aiming at improving the structural stability of a second shell by arranging an abutting part on the edge of a sounding monomer.

Referring to fig. 1 to 5, a specific structure of a speaker 100 according to the present invention will be described in a specific embodiment, in an embodiment of the present invention, the speaker 100 includes a housing 10 and a sound generating unit 30, the housing 10 is a metal member, the housing 10 includes a first housing 11 and a second housing 13, the first housing 11 and the second housing 13 are connected and enclose to form an accommodating cavity 10a, the second housing 13 is provided with an abutting portion 1331, and the abutting portion 1331 is located in the accommodating cavity 10 a;

the sounding unit 30 is arranged in the accommodating cavity 10a and forms a rear sound cavity together with the shell 10 in a surrounding manner; the abutting portion 1331 abuts against the edge of the sound generating unit 30 and cooperates with the first housing 11 to clamp and fix the sound generating unit 30.

It can be known, speaker 100 is the device that converts the electrical signal into acoustic signal, its essential element is sound production monomer 30, sound production monomer 30 includes parts (not shown) such as supporting component, vibration system and magnetic circuit, wherein, supporting component includes the monomer shell and locates the magnetic conduction board of the inward flange of monomer shell, vibration system includes vibrating diaphragm 33 and voice coil loudspeaker voice coil, magnetic circuit includes the magnetic yoke and locates central magnetic circuit portion and the limit magnetic circuit portion on the magnetic yoke, the periphery in central magnetic circuit portion is enclosed at limit magnetic circuit portion interval, the clearance between limit magnetic circuit portion and the central magnetic circuit portion forms the magnetic gap. The lead yoke and vibrating diaphragm 33 are connected respectively to annular monomer shell, and monomer shell, lead yoke and limit magnetic circuit part enclose jointly and close the structure that forms uncovered orientation vibrating diaphragm 33, and the one end of voice coil loudspeaker voice coil is fixed in vibrating diaphragm 33, and the other end stretches into in foretell magnetic gap, and after it lets in the alternating current, reciprocating motion about can producing in the effect atress in magnetic field to drive vibrating diaphragm 33 vibration, and then realize the sound production function.

In this embodiment, the speaker 100 further includes a housing 10, and the housing 10 includes a first housing 11 and a second housing 13, so that the housing 10a is enclosed after the two are connected, and the sound generating unit 30 can be installed therein, thereby playing a role in protection. The housing 10 is a metal member, that is, the first housing 11 and the second housing 13 are both metal members, and the specific material can be set according to the actual situation. In order to ensure the structural reliability and the acoustic effect, the first casing 11 and the second casing 13 are made of thin-walled metal materials, and optionally, the first casing and the second casing can be made of stainless steel materials or sheet metal materials, so that the structure of the loudspeaker 100 is lighter, the volume of the accommodating cavity 10a is ensured, and the acoustic performance is improved. Here, the connection method of the first housing 11 and the second housing 13 may be bonding or welding, or bonding and welding may be used at the same time, and of course, other fixing connection methods may be used, which are not limited herein. It can be understood that the first housing 11 and the second housing 13 enclose to form the accommodating cavity 10a, so that one of the two housings can form an accommodating space, and the other one covers the opening of the accommodating space, thereby ensuring the volume of the accommodating cavity 10 a.

It can be understood that, after the sound-generating unit 30 is fixed in the accommodating cavity 10a, the sound-generating unit 30 can divide the accommodating cavity 10a into a front sound cavity and a rear sound cavity, the part of the sound-generating unit 30 facing the vibrating diaphragm 33 is the front sound cavity, that is, the sound-generating unit 30 and the first housing 11 together enclose to form the front sound cavity, the cavity wall of the front sound cavity is provided with a sound outlet 1111 for transmitting sound waves to a user, where the sound outlet 1111 is provided in the first housing 11; and the one side that sound production monomer 30 deviates from vibrating diaphragm 33 encloses jointly with first casing 11 and second casing 13 and closes formation back sound chamber, and sound production monomer 30 self is formed with let out the sound hole and communicate with back sound chamber to can convey the vibration air current back sound intracavity, effectively improve the low frequency sound effect.

Specifically, the sound generating unit 30 is mounted on the first housing 11, and the second housing 13 is connected to the first housing 11 to complete the assembly, so that the first housing 11 forms an accommodating space. In order to prevent the sound generating unit 30 which is not in direct contact with the second housing 13 from falling off when the sound generating unit is vibrated, the second housing 13 is provided with an abutting portion 1331, and the abutting portion 1331 is positioned in the accommodating cavity 10a so as to clamp and fix the sound generating unit 30 together with the first housing 11. Here, the abutting portion 1331 may be provided at an edge of the second housing 13, or may extend from another position of the second housing 13 to an edge position, so as to be able to abut against an edge position of the sound emission unit 30. The shape of the abutting portion 1331 may be a sheet shape, a block shape or other shapes, which are not limited herein, and only needs to be able to abut against the surface of the sound generating unit 30 away from the diaphragm 33.

The loudspeaker 100 comprises a shell 10 and a sound generating monomer 30, wherein the shell 10 comprises a first shell 11 and a second shell 13, the first shell and the second shell form a containing cavity 10a in a surrounding mode, the sound generating monomer 30 is arranged in the containing cavity 10a, and the containing cavity 10a is divided into a front sound cavity and a rear sound cavity, the shell 10 is a metal piece, so that extra welding thickness is not needed to be increased during connection, a larger sound cavity volume can be formed compared with the injection molding shell 10, and the acoustic performance of the loudspeaker 100 is effectively improved. Meanwhile, the second casing 13 is arranged on the abutting portion 1331 in the accommodating cavity, can abut against the edge of the sounding monomer 30, and is matched with the first casing 11 to clamp and fix the sounding monomer 30 together, so that an effective limiting effect is provided in the direction from the first casing 11 to the second casing 13, the installation stability of the sounding monomer 30 in the accommodating cavity 10a can be improved, the falling-off phenomenon caused by falling is reduced, and the acoustic performance and the overall structural stability of the loudspeaker 100 are improved; and the abutting part 1331 abuts against the edge of the sounding unit 30, so that the influence on the airflow in the rear sound cavity can be avoided, and the acoustic performance of the rear sound cavity is improved.

Of course, on the basis of the above embodiment, optionally, in order to further improve the acoustic effect, the rear acoustic cavity may be filled with sound-absorbing particles, which may be zeolite, activated carbon, or the like, and can absorb or desorb gas, thereby achieving an effect of equivalently expanding the volume and improving the acoustic effect.

With continued reference to fig. 4 and 5, in order to further reduce the airflow influence on the rear acoustic cavity of the speaker 100, in an alternative embodiment, the abutting portion 1331 abuts against a side of the sound generating unit 30 close to the second housing 13.

It will be appreciated that the sound emitting cells 30 are generally square in shape, e.g., rectangular or square, having two pairs of oppositely disposed sides. In this embodiment, the abutting portion 1331 abuts against one side of the sound generating unit 30 close to the second housing 13, and is matched with the first housing 11 located at the other side, so that a better abutting effect can be achieved by the abutting portion 1331 with a smaller area, and the structural stability of the sound generating unit 30 is ensured. Here, the side of the sound generating unit 30 close to the second housing 13 may be a surface of the sound generating unit 30 facing the rear sound cavity, or may be a side surface.

Of course, it is optional, when sound production monomer 30 is the cuboid shape, there are two long limits and two minor faces in the side, on sound production monomer 30's long limit, towards second casing 13 generally be magnetic conduction yoke or limit magnet part, and at sound production monomer 30's minor face, be provided with the protection network or expose supporting component, then let out the sound hole in four corner positions, consequently, when butt portion 1331 butt sound production monomer 30's long limit, can direct butt and magnetic conduction yoke or limit magnet part, can guarantee that the space can support the pressure, can not influence the structure of letting out the sound hole department. Optionally, when the abutting portion 1331 is only one, it abuts against the middle of the long side of the sound generating unit 30, so that the stress of the sound generating unit 30 is uniform, and the stability of the co-clamping with the first housing 11 can be improved.

In an alternative embodiment, a plurality of the abutting portions 1331 are provided, and the plurality of the abutting portions 1331 symmetrically abut against one side of the sound generating unit 30 close to the second housing 13.

In this embodiment, in order to further improve the clamping stability of the sounding unit 30, the abutting portion 1331 is provided with a plurality of, for example, two, three or more than three, and the plurality of abutting portions 1331 are symmetrically abutted to the side of the sounding unit 30 close to the second housing 13, on one hand, the number of the abutting portions 1331 is increased to increase the relative stability of the clamping, and on the other hand, the abutting portions are symmetrically distributed on the two side edges of the sounding unit 30 to ensure the uniformity of the clamping force and prevent the sounding unit 30 from being locally stressed and displaced. Of course, an increase in the number of the abutment portions 1331 also reduces the space of the rear acoustic chamber, and therefore, the number of the abutment portions 1331 is not necessarily too large. Here, it has two to set up butt portion 1331, locates the middle part position on the relative both sides limit of sound production monomer 30 respectively with two butt portions 1331 to form even pressure of support to sound production monomer 30, improve sound production monomer 30's structural stability with first casing 11 cooperation, also can reduce the influence to the space in back sound chamber simultaneously, guarantee acoustic effect. Here, it is optional to locate the two long sides of the sound emitting cells 30 in a rectangular parallelepiped shape.

Referring to fig. 5 to 7, in an alternative embodiment, the second housing 13 includes a lower panel 131 and a skirt 133 disposed on a periphery of the lower panel 131, the skirt 133 is connected to a periphery of the first housing 11, and the abutting portion 1331 is formed by a portion of the skirt 133.

In this embodiment, in order to facilitate connection with the first housing 11, the second housing 13 includes a lower panel 131 and a skirt 133 disposed on the periphery of the lower panel 131, and the skirt 133 and the lower panel 131 are integrally formed, so as to ensure structural strength and structural stability, facilitate processing, and improve processing efficiency. Here, the cross section of the skirt edge 133 is annularly arranged, and the longitudinal section of the skirt edge 133 may be in a planar plate shape and forms an included angle with the lower panel 131; or may be formed in a cambered plate shape, and a portion thereof is disposed parallel to the lower panel 131. The abutting portion 1331 is formed by a part of the skirt 133, which means that a part of the skirt 133 forms the abutting portion 1331, and the abutting portion 1331 is not formed in a whole ring shape, so that the abutting portion 1331 located at the edge can be processed more conveniently, and the size of the lower panel 131 is not affected by bending or forging, thereby ensuring the structural size of other components and effectively improving the processing yield of the speaker 100. Of course, the length of the skirt 133 extending outward from the periphery of the lower panel 131 in the circumferential direction is not limited, and may have a uniform length, or may be formed in different length settings at different positions.

Referring to fig. 3 to 5 again, in order to facilitate the skirt 133 of the second housing 13 to abut against the sound-generating unit 30, in an alternative embodiment, the first housing 11 includes an upper panel 111 and an upper surrounding plate 113 disposed on a periphery of the upper panel 111, the upper panel 111 and the upper surrounding plate 113 surround to form a mounting groove 11a, the sound-generating unit 30 is disposed in the mounting groove 11a, the upper panel 111 is provided with a sound outlet 1111 corresponding to the diaphragm 33 of the sound-generating unit 30, and the upper surrounding plate 113 is connected to the skirt 133.

In this embodiment, first casing 11 includes top panel 111 and last bounding wall 113, both enclose to close and form mounting groove 11a, this mounting groove 11a has certain degree of depth, can hold sound production monomer 30, be fixed in mounting groove 11a with sound production monomer 30 in, second casing 13 lid fits the opening of mounting groove 11a, then enclose to close and form and hold chamber 10a, so, can make the edge of shirt rim 133 be close to the surface that sound production monomer 30 deviates from vibrating diaphragm 33 more, make things convenient for shirt rim 133 to form the butt portion 1331 that supports and press sound production monomer 30. Specifically, the speaker 100 is a front sound-emitting structure, the upper panel 111 is provided with sound outlet holes 1111, so that an air flow is emitted from the sound outlet holes 1111, and the sound-emitting unit 30 and the first housing 11 may be connected by bonding or welding.

Referring to fig. 5 to fig. 7, in an embodiment of an alternative abutting portion 1331 structure, the second housing 13 further includes a side plate 135 connected to a peripheral edge of the lower panel 131, the skirt 133 is disposed on a peripheral edge of the side plate 135, the skirt 133 is parallel to the lower panel 131, the abutting portion 1331 includes a convex hull 1331a protruding from the skirt 133 toward the upper panel 111 and a concave hull 1351 recessed from the side plate 135 toward a center direction thereof, the convex hull 1331a is disposed corresponding to the concave hull 1351, and the convex hull 1331a abuts against a surface of the sound-generating unit 30 toward the lower panel 131.

In this embodiment, the second housing 13 includes a side plate 135, the side plate 135 is formed by bending and extending the periphery of the lower panel 131, the skirt 133 is disposed on the periphery of the side plate 135 and formed by bending and extending the edge of the side plate 135, and the skirt 133 is disposed in parallel with the lower panel 131, so that the longitudinal section of the second housing 13 is substantially "zigzag". According to the manufacturing method, the abutting portion 1331 includes the convex bulge 1331a protruding from the skirt 133 toward the upper panel 111 and the concave bulge 1351 recessed from the side plate 135 toward the center thereof, and the structure for fixing the sound generating unit 30 is the convex bulge 1331a, and the convex bulge 1331a abuts against the surface of the sound generating unit 30 toward the lower panel 131, so that the abutting portion can play a good role of clamping and fixing with the upper panel 111, and the structural stability of the sound generating unit 30 is better. The concave hull 1351 is formed at the same time in a stamping process for forming the convex hull 1331a according to stamping characteristics, so that the concave hull 1351 and the convex hull 1331a are arranged correspondingly, and processing is facilitated.

Here, the abutting portion 1331 is formed by bending a certain section of the skirt edge 133 in the long side direction to protrude toward the upper panel 111, the protruding portion 1331a is formed in the direction toward the lower panel 131 to press the sound generating unit 30, and a recessed structure is formed on the side away from the lower panel 131, so that the certain section of the skirt edge 133 is directly punched, which is simple and convenient, effectively improves the processing efficiency, and reduces the influence on the size of the lower panel 131. Of course, in other embodiments, the abutment portion 1331 could be directly raised on the surface of the skirt 133 without the recessed bag 1351.

Referring to fig. 3, 5 and 6, in an alternative embodiment, the periphery of the upper enclosing plate 113 is bent into the accommodating cavity to form a pressing portion 1131, and the pressing portion 1131 abuts against a surface of the skirt 133 away from the sound generating unit 30;

and/or, the first housing 11 is further provided with a support 15 in the mounting groove 11a, the sound generating unit 30 is fixed on the support 15, and the abutting portion 1331 and the support 15 clamp and fix the sound generating unit 30 together.

In this embodiment, since the abutting portion 1331 is formed by the edge of the skirt 133 and the abutting portion 1331 is located in the accommodating chamber 10a, at least a part of the skirt 133 is located on the inner wall surface of the upper wall 113, and therefore, the fastening portion 1131 is provided on the peripheral edge of the upper wall 113. The fastening portion 1131 is formed by bending and extending a partial section edge of the upper surrounding plate 113, and can press against the surface of the skirt 133 departing from the sounding unit 30, so that the connection between the first housing 11 and the second housing 13 is more stable, the second housing 13 is prevented from being separated from the first housing 11 in the direction perpendicular to the surface thereof, and the structural stability of the speaker 100 is improved. Specifically, two slits are cut in the edge of the apron board 113, and the apron board 113 between the two slits is bent inward to form the pressing portion 1131. The fastening portions 1131 may be provided in plural, and the plural fastening portions 1131 are distributed at intervals on the periphery of the upper enclosing plate 113, so as to further improve the structural stability. Of course, the length of the inward extension of the plurality of pressing portions 1131 does not affect the assembly of the second housing 13, thereby ensuring the convenience of assembly.

In order to more stably fix the sound generating unit 30 after the sound generating unit 30 is fixed in the mounting groove 11a of the first housing 11, a bracket 15 is provided in the mounting groove 11 a. The bracket 15 is fixedly connected to the upper panel 111, and the connection is not limited to bonding, welding, clamping, etc. To support and fix the sounding unit 30, the support 15 is in a ring shape, for example, a rectangular ring shape, and is adapted to the sounding unit 30. Support 15 is connected through the bonding mode with sound production monomer 30, realizes stable connection on the one hand, and on the other hand also can realize effectively sealed, guarantees preceding sound chamber and the isolation in back sound chamber. Specifically, the surface of the sound generating unit 30 provided with the diaphragm 33 is bonded and fixed on the surface of the support 15 facing the second housing 13, and the diaphragm 33, the support 15 and the first housing 11 enclose to form a front sound cavity. Of course, in order to effectively fix the sounding unit 30, a baffle extends from the periphery of the support 15, and the baffle is disposed around the periphery of the sounding unit 30 to limit the sounding unit 30, and also facilitate the coating of the colloid. Here, support 15 and baffle injection moulding structure as an organic whole, convenient processing, and can form comparatively complicated fixed knot and construct, effectively improve the fixed stability to sound production monomer 30. Here, the housing 10 is a metal part, and the support 15 is a plastic part, so that a complex fixing structure can be designed, a large sound cavity volume is formed, and the acoustic performance and the structural stability of the loudspeaker 100 are effectively improved.

Referring to fig. 8 to 13, in another embodiment of the alternative abutting portion 1331, the abutting portion 1331 is formed by bending and extending a portion of the skirt 133 toward the upper panel 111, and an end surface of the abutting portion 1331 and the upper panel 111 jointly clamp and fix the sound generating unit 30.

In this embodiment, the second housing 13 may only have the lower panel 131 and the skirt 133, the skirt 133 is in an arc plate shape and has a portion parallel to the lower panel 131, and at this time, only a partial section of the skirt 133 is reserved with a certain length, and then the section is bent to form the abutting portion 1331, and the abutting portion 1331 presses against the edge of the sound generating unit 30. So, the butt portion 1331 of this structure can further reduce the occupation of the space of the back acoustic cavity because it is pressed through the terminal surface of the metal plate, thereby further promoting the acoustic effect while guaranteeing structural stability. Of course, the second housing 13 may include the lower surface plate 131, the side plate 135, and the skirt 133, the skirt 133 may be disposed in parallel with the lower surface plate 131, and the abutting portion 1331 may be formed by separating a certain section of the skirt 133 from other portions and bending the same. Of course, in another embodiment, the skirt 133 may also be formed by directly and vertically bending and extending the edge of the lower panel 131, and the end surface of the skirt 133 facing the upper panel 111 directly abuts against the sound generating unit 30.

With reference to fig. 12 to fig. 14, in an alternative embodiment, the abutting portion 1331 is in a plate shape, and an end surface of the abutting portion 1331 facing the first housing 11 is provided with a notch 1333, and a groove wall of the notch 1333 and an inner peripheral wall of the upper enclosing plate 113 enclose to form a first glue accommodating groove;

and/or, the periphery of the upper surrounding plate 113 is provided with a mounting hole 1133, the edge of the mounting hole 1133 is bent and extended into the accommodating cavity 10a to form a supporting portion 1135, the supporting portion 1135 abuts against the side surface of the sounding unit 30, and the skirt 33 and the supporting portion 1135 are surrounded to form an avoiding space.

In this embodiment, since the abutting portion 1331 is formed by leaving a certain length of a certain section of the skirt 133 and then bending the section, the abutting portion 1331 is provided in a flat plate shape, is perpendicular to the surface of the upper panel 111, and abuts against the sound generating unit 30 with an end face. In order to further ensure the connection stability of the second housing 13 and the first housing 11, a notch 1333 is provided in the abutting portion 1331, the notch 1333 is located at an edge of the abutting portion 1331 abutting against the sound generating unit 30, when the abutting portion 1331 abuts against the inner peripheral wall of the upper surrounding plate 113, a groove wall of the notch 1333 and the inner peripheral wall of the upper surrounding plate 113 can form a first glue containing groove in a surrounding manner, and when the second housing 13 is connected with the first housing 11, the glue is coated at the position, so that the glue flows along the first glue containing groove and is limited, a stable solid glue structure is formed to perform effective connection and sealing, and the structural stability and the sealing performance are improved.

Here, the abutting portions 1331 may be provided in two, and the abutting portions 1331 respectively abut against the two long sides of the sound generating unit 30, and are the middle positions of the long sides of the sound generating unit 30, thereby further improving the structural stability of the sound generating unit 30.

On the basis of having no breach 1333, in order to carry on spacingly to the position of sound monomer 30 on its length direction, mounting hole 1133 has been seted up to the periphery of going up bounding wall 113, it has supporting part 1135 to bend to extend towards the pore wall of top panel 111 at mounting hole 1133, this supporting part 1135 butt sound monomer 30's side, thereby make sound monomer 30 fixed stable in its length direction, and direct butt sound monomer 30's width direction goes up the internal wall face that links up bounding wall 113 and carries on spacingly, up to this point, sound monomer 30 is all spacing fixed in the direction of vibrating diaphragm 33 vibration and the horizontal plane direction that is perpendicular to vibrating diaphragm 33 vibration direction, further improve the stability of its structure.

As can be understood from fig. 3 and 9, the flexible circuit board 50 functions to connect the sound generating unit 30 with an external circuit, so as to ensure the functionality of the sound generating unit 30. Therefore, the housing has a first end connected to the sound generating unit 30 and a second end connected to an external circuit, the first end is located in the accommodating cavity 10a and electrically connected to the sound generating unit 30, and the second end is exposed out of the accommodating cavity 10a and connected to the external circuit. Here, in order to assemble the flexible circuit board 50, in an embodiment, the skirt 133 of the second housing 13 corresponding to the support portion 1135 extends for a long length, and can cooperate with the support portion 1135 to form a clearance space, which can allow the flexible circuit board 50 to pass through, so as to electrically connect the sound generating unit 30 with an external circuit. The support portion 1135 and the skirt corresponding thereto can also perform a certain limiting function, thereby effectively improving the mounting stability of the flexible circuit board 50. In another embodiment, only the top wall 113 is perforated to form an escape space with the skirt 133. Of course, for the sealing property, the gap between the avoiding space and the flexible circuit board 50 needs to be sealed by filling with glue, so that the stable installation of the flexible circuit board 50 can be ensured, and the overall sealing property of the speaker 100 can be improved. Here, the flexible circuit board 50 includes a transition section connecting the second end and the first end, and the transition section is located in the avoidance space, so that the size of the avoidance space can be reduced, and the improvement of the sealing performance is also facilitated.

Referring to fig. 1 and 9, in an alternative embodiment, a first connecting portion 1137 is disposed on a peripheral edge of the first housing 11, a second connecting portion 1335 is disposed on a peripheral edge of the second housing 13, one of the first connecting portion 1137 and the second connecting portion 1335 is a positioning protrusion, and the other of the first connecting portion 1137 and the second connecting portion 1335 is a positioning groove, where the positioning protrusion is fixed in the corresponding positioning groove;

and/or the inner peripheral wall of the first shell 11 and the outer peripheral wall of the second shell 13 cooperate to define a second glue containing groove 10 b.

In this embodiment, in order to connect the first housing 11 and the second housing 13, the first housing 11 is provided with a first connecting portion 1137, the second housing 13 is provided with a second connecting portion 1335, and the first connecting portion 1137 and the second connecting portion 1335 are configured to perform pre-positioning. Specifically, one of the first connecting portion 1137 and the second connecting portion 1335 is a positioning groove, and the other is a positioning protrusion, and the positioning protrusion is lapped on the positioning groove, so that the pre-positioning function can be achieved, and the subsequent welding or bonding is facilitated. Of course, in other embodiments, the first connecting portion 1137 and the second connecting portion 1335 can be connected by a shaft hole.

Specifically, the periphery of the second housing 13 is provided with a positioning protrusion, that is, the periphery of the skirt 133 is provided with a positioning protrusion, the periphery of the first housing 11 is provided with a positioning groove, that is, the edge of the upper enclosing plate 113 is provided with a positioning groove, and the positioning protrusion and the positioning groove are welded, so that the positioning of the two is more accurate, and the firmness of spot welding can be ensured. Of course, the first connection portion 1137 and the second connection portion 1335 are provided in plurality and uniformly distributed on the periphery of the housing 10 for connection stability. And the positioning bulge is lapped on the positioning groove, a gap is arranged between the positioning bulge and the edge of the positioning groove, namely the end face of the positioning bulge is trapped in the positioning groove, so that the spot welding connection is conveniently carried out at the gap position, the welding convenience is improved, the positioning bulge can be prevented from protruding out of the outer wall of the upper enclosing plate 113, and the integral appearance of the loudspeaker 100 is ensured.

It should be noted that the welding position between the first housing 11 and the second housing 13 is not limited to the position where the first connecting portion 1137 and the second connecting portion 1335 are matched, and an appropriate spot welding position may be selected according to the actual production process requirement, which is not specifically limited in this application.

It is understood that after the spot welding of the first and second cases 11 and 13, the first and second cases 11 and 13 are configured as a spot welding plus integral glue sealing connection structure for further improving structural stability. Therefore, the inner peripheral wall of the first shell 11 is matched with the outer peripheral edge of the second shell 13 to define the second glue containing groove 10b, glue is coated in the second glue containing groove 10b, a firm sealing structure can be formed after the glue is solidified, and therefore the connecting position of the first shell 11 and the second shell 13 is sealed, and compared with the existing metal shell 10, the sealing effect is further improved only by adopting a welding sealing mode, and further the acoustic performance of the loudspeaker 100 is improved. Meanwhile, when gluing and sealing are carried out, the second glue containing groove 10b can accelerate the flow of glue and limit the flow range of the glue, so that the gluing efficiency is ensured. The depth and the width of the second glue containing groove 10b are not too deep, otherwise, the material cost is increased, and waste is caused; certainly, the depth and the width of the first glue containing groove are not too small, otherwise, the first glue containing groove cannot achieve good sealing and connecting effects.

Specifically, the skirt 133 and the side plate 135 are surrounded to form a stepped groove, the stepped groove has a bottom wall parallel to the surface of the upper enclosing plate 113 and a groove side wall perpendicular to the bottom wall, and the inner wall of the upper enclosing plate 113 abuts against the groove bottom wall of the stepped groove and is matched with the bottom wall to form the second glue containing groove 10 b. Since the abutting portion 1331 needs to be formed in the accommodating chamber 10a in the portion of the skirt 133, providing the second housing 13 with the stepped groove is more convenient, and the convenience and efficiency of processing can be improved.

In addition, a damping hole is formed in the lower panel 131 of the second casing 13, and a damping block 70 is attached to the damping hole to form a part of the rear sound cavity, so that a bad audio, a spurious wave, and a reflected wave generated by the vibration of the sounding unit 30 can be absorbed, thereby achieving a good and stable sound quality and further improving the acoustic effect of the speaker 100.

The utility model further proposes an electronic device (not shown) comprising a loudspeaker 100 as described in any of the above. Since the specific structure of the speaker 100 in the electronic device refers to the above-mentioned embodiments, at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments are achieved, and no further description is given here.

The electronic device may be, but is not limited to, a mobile phone, a notebook computer, a tablet computer, a Personal Digital Assistant (PDA), an e-book reader, an MP3 (Moving Picture Experts Group Audio Layer III) player, an MP4 (Moving Picture Experts Group Audio Layer IV) player, a wearable device, a navigator, a handheld game console, a virtual and real device, an augmented reality device, and the like.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (11)

1. A loudspeaker, characterized in that the loudspeaker comprises:

the shell is a metal piece and comprises a first shell and a second shell, the first shell and the second shell are connected and enclosed to form an accommodating cavity, the second shell is provided with a butting part, and the butting part is positioned in the accommodating cavity; and

the sound generating unit is arranged in the accommodating cavity and forms a rear sound cavity together with the shell in an enclosing manner;

the abutting part abuts against the edge of the sounding monomer and is matched with the first shell to clamp and fix the sounding monomer.

2. The speaker according to claim 1, wherein the abutting portion abuts on a side of the sound-emitting unit close to the second housing.

3. The speaker according to claim 2, wherein a plurality of the abutting portions are provided, and the plurality of the abutting portions are symmetrically abutted on a side of the sound generating unit close to the second housing.

4. The loudspeaker according to any one of claims 1 to 3, wherein the second enclosure comprises a lower panel and a skirt provided at a periphery of the lower panel, the skirt being connected to a periphery of the first enclosure, the abutment being formed by a portion of the skirt.

5. The loudspeaker of claim 4, wherein the first shell comprises an upper panel and an upper surrounding plate arranged on the periphery of the upper panel, the upper panel and the upper surrounding plate surround to form a mounting groove, the sound-generating unit is arranged in the mounting groove, the upper panel is provided with a sound outlet corresponding to a diaphragm of the sound-generating unit, and the upper surrounding plate is connected with the skirt.

6. The speaker of claim 5, wherein the second housing further comprises a side plate connected to a periphery of the lower panel, the skirt is disposed on a periphery of the side plate, the skirt is parallel to the lower panel, the abutting portion comprises a convex hull protruding from the skirt in a direction toward the upper panel and a concave hull recessed from the side plate in a direction toward a center thereof, the convex hull and the concave hull are disposed in correspondence, and the convex hull abuts against a surface of the sound-generating unit facing the lower panel.

7. The loudspeaker according to claim 5, wherein the periphery of the upper enclosing plate is bent into the accommodating cavity to form a buckling part, and the buckling part abuts against the surface of the skirt edge, which is away from the sounding monomer;

and/or, the first casing in still be equipped with the support in the mounting groove, the sound production monomer is fixed in on the support, butt portion with the common centre gripping of support is fixed the sound production monomer.

8. The speaker of claim 5, wherein the abutting portion is formed by bending and extending a portion of the skirt toward the upper panel, and an end face of the abutting portion and the upper panel jointly clamp and fix the sound generating unit.

9. The loudspeaker of claim 8, wherein the periphery of the upper enclosing plate is provided with a mounting hole, a supporting part is bent and extended into the accommodating cavity from the edge of the mounting hole, the supporting part abuts against the side surface of the sounding single body, and an avoiding space is formed by the enclosing of the skirt and the supporting part.

10. The loudspeaker according to any one of claims 1 to 3, wherein the first casing is provided with a first connecting portion at its periphery, the second casing is provided with a second connecting portion at its periphery, one of the first connecting portion and the second connecting portion is a positioning projection, the other of the first connecting portion and the second connecting portion is a positioning groove, and the positioning projection is fixed in the corresponding positioning groove;

and/or the inner peripheral wall of the first shell is matched with the outer peripheral edge of the second shell to define a second glue containing groove.

11. An electronic device, characterized in that the electronic device comprises a loudspeaker according to any one of claims 1-10.

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