CN213186540U - Speaker module and electronic equipment - Google Patents

Speaker module and electronic equipment Download PDF

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Publication number
CN213186540U
CN213186540U CN202022485219.9U CN202022485219U CN213186540U CN 213186540 U CN213186540 U CN 213186540U CN 202022485219 U CN202022485219 U CN 202022485219U CN 213186540 U CN213186540 U CN 213186540U
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China
Prior art keywords
shell
housing
speaker module
side wall
bottom wall
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CN202022485219.9U
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Chinese (zh)
Inventor
解亚宁
李兆鹏
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Goertek Inc
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Goertek Inc
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Abstract

The utility model discloses a speaker module and electronic equipment, wherein, the speaker module includes: the first shell is a metal piece and comprises a shell bottom wall and a shell side wall, the shell side wall surrounds the shell bottom wall along the circumferential direction, and the shell side wall is inwards protruded to form a lap joint table; the second shell is a metal piece, the edge of the second shell is lapped on the lapping table and is adhered to the side wall of the shell, so that the second shell covers the first shell to form an accommodating cavity; the third shell is of an annular structure and is hermetically connected to the bottom wall of the shell along the circumferential direction, an installation port is formed in the upper side of the third shell, the sounding monomer is hermetically connected to the installation port, and a sealed rear sound cavity is formed among the sounding monomer, the third shell, the first shell and the second shell; the shell bottom wall is provided with a sound outlet which is positioned in the area surrounded by the third shell. The utility model discloses technical scheme aims at improving the sealed effect of speaker module.

Description

Speaker module and electronic equipment
Technical Field
The utility model relates to an electroacoustic product technical field, in particular to speaker module and electronic equipment who uses this speaker module.
Background
The existing loudspeaker product is mostly a shell of a plastic structure, the shell of the plastic structure is large in thickness, the heat dissipation effect is poor, the metal shell is used for replacing the original plastic shell for further improving the use performance of the loudspeaker product, the thickness of the shell can be reduced, the heat dissipation effect of the loudspeaker is improved, and the heat generated by parts in the shell can be timely and effectively dissipated.
The metal casing adopts the welded mode to connect usually, and the welding in-process needs the shell counterpoint accurate, and the welding inaccuracy can cause the shell cavity gas leakage, influences the acoustic performance of speaker.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a speaker module aims at improving speaker module's sealed effect.
In order to achieve the above object, the utility model provides a speaker module, include:
the first shell is a metal piece and comprises a shell bottom wall and a shell side wall, the shell side wall surrounds the shell bottom wall along the circumferential direction, and the shell side wall is inwards protruded to form a lapping table; and
the second shell is a metal piece, the edge of the second shell is lapped on the lapping table and is adhered to the side wall of the shell, so that the second shell covers the first shell to form an accommodating cavity;
the sound generating device comprises a third shell and a sound generating single body, wherein the third shell is of an annular structure and is circumferentially and hermetically connected to the bottom wall of the shell, an installation port is formed in the upper side of the third shell, the sound generating single body is hermetically connected to the installation port, and a sealed rear sound cavity is formed between the sound generating single body and the third shell as well as between the sound generating single body and the first shell as well as between the sound generating single body and the second shell;
and the shell bottom wall is provided with a sound outlet, and the sound outlet is positioned in an area surrounded by the third shell.
Optionally, an edge of the case side wall facing away from the case bottom wall protrudes from an edge of the second case.
Optionally, the second casing includes main part and overlap joint portion, overlap joint portion along circumferential direction connect in the outside of main part, overlap joint portion overlap joint in the overlap joint platform, the main part orientation deviates from shell diapire direction protrusion in the overlap joint portion, the shell lateral wall deviates from the edge of shell diapire protrusion in the overlap joint portion.
Optionally, the number of the lapping tables is multiple, and the plurality of the lapping tables are arranged at intervals along the circumferential direction of the shell side wall.
Optionally, the shell side wall includes a plurality of side wall plates, and the plurality of side wall plates are sequentially connected end to end and are all connected to the shell bottom wall; each side wall plate is provided with at least one lapping table.
Optionally, the landing platforms are arranged continuously along the circumference of the shell side wall.
Optionally, the third housing is a metal piece.
Optionally, the inner side of the third shell is bent towards the direction far away from the bottom wall of the shell to form a flange, and the sounding unit is connected with the flange.
Optionally, a partial region of the third housing is bent outward to form a limiting wall, and the limiting wall is stopped by the housing side wall.
The utility model also provides an electronic device, which comprises a shell and a loudspeaker module;
the speaker module includes:
the first shell is a metal piece and comprises a shell bottom wall and a shell side wall, the shell side wall surrounds the shell bottom wall along the circumferential direction, and the shell side wall is inwards protruded to form a lapping table;
the second shell is a metal piece, the edge of the second shell is lapped on the lapping table and is adhered to the side wall of the shell, so that the second shell covers the first shell to form an accommodating cavity;
the third shell is of an annular structure and is connected to the bottom wall of the shell in a sealing mode along the circumferential direction, an installation port is formed in the upper side of the third shell, the sounding monomer is connected to the installation port in a sealing mode, and a sealed rear sound cavity is formed among the sounding monomer, the third shell, the first shell and the second shell;
the shell bottom wall is provided with a sound outlet, and the sound outlet is positioned in an area surrounded by the third shell;
the loudspeaker module is accommodated in the shell.
The utility model discloses technical scheme's speaker module is in the equipment process, and the second casing is when the lid fits first casing, and the edge of second casing can be carried out the backstop by the overlap joint platform on the first casing, and the technical staff only need place the second casing on first casing to make the edge whereabouts of second casing to overlap joint platform position, then can be convenient counterpoint the accuracy with second casing and first casing. After the second shell and the first shell are aligned and installed, the joint of the second shell and the first shell is glued, the positions of the first shell and the second shell in the gluing process are always kept in an accurate alignment state, the gluing position is accurate, the sealing effect of the first shell and the second shell after gluing is good, and the acoustic performance of the loudspeaker module can be kept in a good state.
First casing and second casing are the metalwork, can be when having better support strength, and the wall thickness is thinner, improves the space utilization who holds the chamber. The metal piece has higher heat conduction efficiency, and the first shell and the second shell which adopt metal can improve the heat dissipation efficiency of the internal parts of the loudspeaker module.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 an embodiment of a speaker module according to the present invention;
FIG. 2 is a cross-sectional view of the speaker module of FIG. 1;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a schematic view of the third housing and the sounding unit mounted on the first housing in FIG. 1;
FIG. 5 is a cross-sectional view of the structure of FIG. 4;
fig. 6 is an enlarged view at B in fig. 5.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, 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 motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly 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, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
With reference to fig. 1 and fig. 2, the present invention provides a speaker module 100, a housing of the speaker module 100 includes a first casing 10 and a second casing 30, and the second casing 30 covers the first casing 10 to form a containing cavity.
The utility model discloses among the technical scheme, first casing 10 and second casing 30 are the metalwork, and first casing 10 and second casing 30 that this metalwork was made compare in traditional plastic casing heat conduction effectual, can be with the heat that holds intracavity spare part production rapidly, effectual transmission to the external world. Because the metal part has higher strength, the thickness of the first shell 10 and the second shell 30 can be thinner than that of the traditional plastic shell, and a good supporting effect can be achieved.
With reference to fig. 4, the first housing 10 includes a housing bottom wall 11 and a housing side wall 13, the housing side wall 13 circumferentially surrounds the housing bottom wall 11 and extends toward a lateral side of the housing bottom wall 11, and the housing side wall 13 is inwardly protruded to form a lap joint 133; the edge of the second housing 30 is overlapped on the overlapping table 133 and adhered to the housing sidewall 13, so that the second housing 30 covers the first housing 10 to form a receiving cavity.
The speaker module 10 further includes a third casing 50 and a sound generating unit 60, the third casing 50 is of an annular structure, the third casing 50 is circumferentially and hermetically connected to the casing bottom wall 11, an installation port is formed on the upper side of the third casing 50, the sound generating unit 60 is hermetically connected to the installation port, and a sealed rear sound cavity is formed between the sound generating unit 60 and the third casing 50 as well as between the first casing 10 and the second casing 30;
the housing bottom wall 11 is provided with a sound outlet, and the sound outlet is located in an area surrounded by the third housing 50.
Referring to fig. 3, the utility model discloses technical scheme's speaker module 100 is in the assembly process, and second casing 30 is when the lid fits first casing 10, and the edge of second casing 30 can be carried out the backstop by overlap joint platform 133 on the first casing 10, and the technical staff only need place second casing 30 on first casing 10 to make the edge of second casing 30 fall to overlap joint platform 133 position, then can be convenient with second casing 30 and first casing 10 counterpoint accuracy. After the second shell 30 and the first shell 10 are installed in an aligned mode, gluing is conducted on the joint of the first shell and the second shell, the positions of the first shell 10 and the second shell 30 are always in an accurate aligned mode in the gluing process, the gluing position is accurate, the first shell 10 and the second shell 30 are good in sealing effect after gluing, and therefore the loudspeaker module 100 can keep good acoustic performance;
the first shell 10 and the second shell 30 are metal pieces, so that the wall thickness is thin while the first shell has good supporting strength, and the space utilization rate of the accommodating cavity is improved. The metal member has high heat conduction efficiency, and the first housing 10 and the second housing 30 made of metal can improve the heat dissipation efficiency of the internal parts of the speaker module 100.
The embodiment of the utility model provides an in, overlap joint platform 133 is close to shell lateral wall 13 and leaves the edge setting of shell diapire 11 on the back to keep certain interval with the edge of shell lateral wall 13, after second casing 30's edge overlap joint platform 133, shell lateral wall 13 leaves the edge protrusion in second casing 30's edge of shell diapire 11 on the back. In the process of gluing the joint of the first shell 10 and the second shell 30, the edge of the shell side wall 13 can stop the glue, so that the glue can be accumulated at the joint of the first shell 10 and the second shell 30, the edge of the second shell 30 can be effectively attached to the shell side wall 13 of the first shell 10, and the sealing effect is good.
Referring back to fig. 1, the second housing 30 includes a main body 31 and a bridging portion 33, the bridging portion 33 is connected to the outer side of the main body 31 along the circumferential direction, the bridging portion 33 is bridged on the bridging stage 133, the main body 31 protrudes from the bridging portion 33 toward the direction away from the housing bottom wall 11, the edge of the housing side wall 13 away from the housing bottom wall 11 protrudes from the bridging portion 33, and the edge of the housing side wall 13 away from the housing bottom wall 11 protrudes from the bridging portion 33. Under this structure, overlap joint portion 33's both sides have the edge and the main part 31 of protrusion in its shell side wall 13 respectively, make shell side wall 13, overlap joint portion 33 and main part 31 enclose jointly and close and form and hold gluey groove, at first casing 10 and second casing 30 rubber coating in-process, liquid glue can the holding in this holds gluey groove, shell side wall 13 and main part 31 can prevent gluey the overflow, can guarantee simultaneously that glue can fully flow in holding gluey inslot, so that the seam crossing of first casing 10 and second casing 30 can be by gluey abundant filling, guarantee that the sealed effectual of first casing 10 and second casing 30 seam crossing.
The main body 31 and the lap joint 33 of the second housing 30 are integrally formed, and are formed by metal press molding, thereby facilitating molding and having high structural strength.
The distance from the edge of the side wall 13 back to the bottom wall 11 is similar to or equal to the distance from the surface of the main body 31 back to the bottom wall 11, and it can also be said that after the second housing 30 is connected to the first housing 10, the second housing 30 does not protrude from the edge of the side wall 13 back to the bottom wall 11, so as to ensure the neatness of the appearance of the speaker module 100, and facilitate the installation of the speaker module 100 in the electronic device.
The first housing 10 is also formed by stamping a metal piece, and the overlapping table 133 is directly stamped inwards on the housing side wall 13, so that the forming is convenient, and the structural strength of the first housing 10 can be improved.
The abutment stages 133 may be provided at intervals in the circumferential direction of the case side wall 13, or may be provided continuously. When the lap joint stage 133 is continuously arranged along the circumferential direction of the shell side wall 13, the second shell 30 can be lapped on the lap joint stage 133 along the circumferential direction, the first shell 10 can stably support the second shell 30, and the first shell 10 and the second shell 30 can be more accurately aligned.
When lap joint 133 sets up along the circumference interval of shell lateral wall 13, this lap joint 133 is a plurality of, and the lap joint 133 that the interval set up can provide stable support to second casing 30 in, and is less to the appearance structure influence of first casing 10, and enables that first casing 10 and second casing 30 enclose the chamber utilization ratio that holds that closes the formation higher.
The utility model discloses technical scheme's speaker module 100's shell can be the cylinder structure, also can be cuboid, square structure or the structure of more face bodies. When the bottom wall 11 of the first housing 10 may be circular, the side wall 13 of the first housing 10 is an arc-shaped surface. When the bottom wall 11 of the first casing 10 is rectangular, square or polygonal, the side wall 13 of the first casing 10 includes a plurality of side wall plates 131, and the side wall plates 131 are sequentially connected end to end, are all connected to the bottom wall 11, and extend towards the lateral direction of the bottom wall 11; the outer contour of the second housing 30 is identical to the shape enclosed by the plurality of side wall plates 131, and each side wall plate 131 is provided with at least one overlapping table 133, so that the second housing 30 can be supported in all directions, and the stability of the second housing 30 and the first housing 10 in the process of pasting is ensured.
One, two or more lap tables 133 may be provided on each side wall panel 131, selected in particular according to the ratio of the size of the side wall panel 131 to the size of the lap table 133.
The third housing 50 is a metal member, which can further improve the utilization rate of the accommodating cavity and further improve the heat conduction efficiency of the speaker module 100.
With reference to fig. 4 to 6, when the speaker module 100 is of a positive sound emitting structure, the third casing 50 is circumferentially connected to the casing bottom wall 11, and the sound emitting holes are opened in the casing bottom wall 11 and located in an area surrounded by the third casing 50. The inner side of the third shell 50 is bent towards the direction far away from the shell bottom wall 11 to form a flange 53, and the sounding single body 60 is connected with the flange 53.
When the speaker module 100 is of a side sound emitting structure, a part of the third casing 50 is connected to the casing bottom wall 11, a part is connected to the casing side wall 13, and the sound outlet is opened in the casing side wall 13 and located in an area surrounded by the third casing 50. The portion of the third casing 50 connected to the casing bottom wall 11 is defined as a first connecting section, the portion of the third casing 50 connected to the casing side wall 13 is defined as a second connecting section, and the sound generating unit 60 is connected to the side of the first connecting section departing from the casing bottom wall 11 and connected to the side of the second connecting section departing from the casing side wall 13.
As shown in fig. 6, the turned-over edge 53 extends toward the direction of the third casing 50 away from the casing bottom wall 11, and the end of the turned-over edge 53 away from the casing bottom wall 11 is formed with a chamfer, the chamfer and the side surface of the sounding monomer 60 form an included angle, the included angle area can be used for gluing, the glue is accommodated in the area between the turned-over edge 53 and the sounding monomer 60 and can flow along the circumferential direction of the sounding monomer 60, so that the third casing 50 is adhered to the sounding monomer 60 along the circumferential direction, and the sealing performance is good.
A partial region of the third housing 50 is bent outward to form a limiting wall 55, and the limiting wall 55 is stopped by the housing side wall 13. When the third housing 50 is accommodated inside the first housing 10, the limit wall 55 can be stopped by the housing sidewall 13, so that the third housing 50 can be accurately mounted and positioned.
Only a partial region of the third housing 50 extends outward to form a limiting wall 55, so that a good positioning effect is achieved for the installation of the third housing 50 under the condition that the third housing 50 occupies as little space as possible in the accommodating cavity.
The second casing 30 can be provided with a sound release hole 311, the sound release hole 311 is communicated with the rear sound cavity to balance the static pressure in the rear sound cavity, the second casing 30 can be provided with a filling hole 313, the filling hole 313 is communicated with the rear sound cavity to fill the rear sound cavity with sound-absorbing materials, the filling hole 313 and the sound release hole 311 are of the same structure and can be of different structures, and the sound-absorbing materials are filled in the rear sound cavity through the sound release hole 311.
The utility model also provides an electronic equipment, this electronic equipment include casing and speaker module 100, and above-mentioned embodiment is referred to this speaker module 100's concrete structure, because this electronic equipment has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here. The speaker module 100 is accommodated in the housing, the electronic device is further provided with a main control board, and the sound generating unit 60 in the speaker module 100 is electrically connected to the main control board.
The electronic device may include sound holes, the sound outlet of the speaker module 100 may be disposed corresponding to the sound holes, and the sound generated by the speaker module 100 may be transmitted to the outside through the sound outlet and the sound holes for the user to receive.
The electronic device can further comprise a display screen and/or keys, the display screen and the keys are electrically connected with the main control board, and a user can realize function control of the loudspeaker module 100 through the touch display screen and/or the keys.
The above is only the optional embodiment of the present invention, and not therefore the limit of the patent scope of the present invention, all of which are in the concept of the present invention, the equivalent structure transformation of the content of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims (10)

1. A speaker module, comprising:
the first shell is a metal piece and comprises a shell bottom wall and a shell side wall, the shell side wall surrounds the shell bottom wall along the circumferential direction, and the shell side wall is inwards protruded to form a lapping table;
the second shell is a metal piece, the edge of the second shell is lapped on the lapping table and is adhered to the side wall of the shell, so that the second shell covers the first shell to form an accommodating cavity;
the third shell is of an annular structure and is connected to the bottom wall of the shell in a sealing mode along the circumferential direction, an installation port is formed in the upper side of the third shell, the sounding monomer is connected to the installation port in a sealing mode, and a sealed rear sound cavity is formed among the sounding monomer, the third shell, the first shell and the second shell;
and the shell bottom wall is provided with a sound outlet, and the sound outlet is positioned in an area surrounded by the third shell.
2. The speaker module as recited in claim 1, wherein an edge of the housing sidewall facing away from the housing bottom wall protrudes beyond an edge of the second housing.
3. The speaker module as claimed in claim 2, wherein the second housing includes a main body portion and a lap joint portion, the lap joint portion being circumferentially connected to an outer side of the main body portion, the lap joint portion being overlapped with the lap joint portion, the main body portion protruding from the lap joint portion toward a direction away from the housing bottom wall, and an edge of the housing side wall facing away from the housing bottom wall protruding from the lap joint portion.
4. The speaker module as claimed in claim 1, wherein said landing pads are plural, and a plurality of said landing pads are provided at intervals along a circumferential direction of said housing sidewall.
5. The speaker module as recited in claim 4, wherein said enclosure side wall comprises a plurality of side wall panels connected end to end and all connected to said enclosure bottom wall; each side wall plate is provided with at least one lapping table.
6. A speaker module as set forth in claim 1 wherein said landing lands are disposed continuously along the circumference of said housing sidewall.
7. The speaker module as claimed in any one of claims 1 to 6, wherein the third housing is a metal piece.
8. The speaker module as claimed in claim 7, wherein the inner side of the third housing is bent away from the bottom wall of the housing to form a flange, and the sounding unit is connected to the flange.
9. The speaker module as claimed in claim 7, wherein a portion of the third housing is bent outward to form a stopper wall, and the stopper wall is stopped by the housing sidewall.
10. An electronic device comprising a housing and a speaker module according to any one of claims 1 to 9, the speaker module being housed in the housing.
CN202022485219.9U 2020-10-30 2020-10-30 Speaker module and electronic equipment Active CN213186540U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022485219.9U CN213186540U (en) 2020-10-30 2020-10-30 Speaker module and electronic equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022485219.9U CN213186540U (en) 2020-10-30 2020-10-30 Speaker module and electronic equipment

Publications (1)

Publication Number Publication Date
CN213186540U true CN213186540U (en) 2021-05-11

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Application Number Title Priority Date Filing Date
CN202022485219.9U Active CN213186540U (en) 2020-10-30 2020-10-30 Speaker module and electronic equipment

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113395640A (en) * 2021-05-21 2021-09-14 歌尔股份有限公司 Sound production device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113395640A (en) * 2021-05-21 2021-09-14 歌尔股份有限公司 Sound production device

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