CN113365194A - Loudspeaker assembly and electronic terminal equipment with same - Google Patents

Loudspeaker assembly and electronic terminal equipment with same Download PDF

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Publication number
CN113365194A
CN113365194A CN202110532334.3A CN202110532334A CN113365194A CN 113365194 A CN113365194 A CN 113365194A CN 202110532334 A CN202110532334 A CN 202110532334A CN 113365194 A CN113365194 A CN 113365194A
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CN
China
Prior art keywords
box body
sound
cavity
outlet
sliding
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Granted
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CN202110532334.3A
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Chinese (zh)
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CN113365194B (en
Inventor
王蝶
范愈至
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Beijing Jingyizhi Technology Co ltd
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Individual
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Priority to CN202110532334.3A priority Critical patent/CN113365194B/en
Publication of CN113365194A publication Critical patent/CN113365194A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/12—Sanitary or hygienic devices for mouthpieces or earpieces, e.g. for protecting against infection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

The invention relates to the technical field of sound equipment, and discloses a loudspeaker assembly which comprises a sound-emitting part, wherein a cavity is formed in the sound-emitting part; the first box body is connected with the sound generating part and isolates the second mounting port from the cavity, and first outlets are respectively arranged at corresponding positions of the side walls of two sides of the first box body; the second box body can be arranged in the first box body in a push-pull mode, the corresponding positions of the side walls of the two sides of the second box body are respectively provided with a second outlet, and the second box body can move between a first preset position and a second preset position in the first box body, so that when the first box body and the second box body move relatively to open or close a sound channel, dust can be prevented from sliding into the second box body, and the using effect of the loudspeaker assembly is improved. The invention also discloses an electronic terminal device.

Description

Loudspeaker assembly and electronic terminal equipment with same
Technical Field
The invention relates to the technical field of loudspeakers, in particular to a loudspeaker assembly and electronic terminal equipment with the same.
Background
The speaker converts the electric signal into a sound signal to output, so that the electronic apparatus can output sound. For example, when a user makes a call or listens to music, the electronic apparatus needs to output sound through a speaker. In order to enable the sound generated by the loudspeaker to be smoothly output to the outside, the electronic equipment needs to be provided with a sound outlet hole which is communicated with the loudspeaker, so that the sound generated by the loudspeaker can be output to the outside through the sound outlet hole;
the invention discloses a loudspeaker assembly and electronic equipment, and is disclosed as CN112468904, wherein the loudspeaker assembly is provided, the loudspeaker assembly is provided with a rotary moving part, so that a sound outlet channel of a loudspeaker can be opened and closed, when the loudspeaker assembly is not used, the moving part can rotate to a preset position to block the channel, and dust is prevented from entering a cavity of the loudspeaker assembly.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the loudspeaker assembly and the electronic terminal equipment with the loudspeaker assembly, which can prevent dust from falling into the second box body when the first box body and the second box body move relatively to open or close the sound channel, and improve the using effect of the loudspeaker assembly.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a loudspeaker assembly comprises a sound-emitting part, wherein a cavity is formed in the sound-emitting part, a first mounting hole is formed in the top wall of the sound-emitting part and communicated with the cavity, and a second mounting hole is formed in the side wall of the sound-emitting part and communicated with the cavity; a speaker connected to the sound generating part, the speaker being disposed in the cavity;
the first box body is connected with the sounding part, and the side walls of two sides of the first box body are respectively provided with a first outlet at corresponding positions; the second box body can be arranged in the first box body in a push-pull mode, second outlets are respectively formed in the positions, corresponding to the side walls of the two sides of the second box body, of the side walls, and the second box body can move between a first preset position and a second preset position in the first box body;
the power mechanism is arranged in the second mounting opening, connected with the second box body and used for driving the second box body to move;
when the second box body moves to a first preset position, the first outlet and the second outlet are overlapped, so that the cavity is opened; when the second box body moves to a second preset position, the first outlet and the second outlet are staggered, so that the cavity is closed.
Preferably, the first box body comprises a first sliding part, the inside of the first sliding part is provided with a hollow structure, and one side wall surface of the first sliding part is open; the second box body comprises a second sliding part, the second sliding part is hollow inside, one end, far away from the power mechanism, of the second sliding part is open, one end, far away from the power mechanism, of the second sliding part is located in the first sliding part, and the second sliding part can move relative to the first sliding part.
Preferably, the first outlet includes at least two first sound ports, the second outlet includes at least two second sound ports, when the second slider moves to a first predetermined position, the first sound ports and the second sound ports are communicated with the cavity, and when the second slider moves to a second predetermined position, the first sound ports and the second sound ports are staggered from the cavity.
Preferably, the power mechanism includes: the motor is fixedly connected with the inner wall of the second mounting opening, and a gear is arranged at the tail end of a shaft rod of the motor; the second connecting piece is a rack, the second connecting piece is meshed with the gear, a first connecting piece is welded on one side wall surface of the second connecting piece with teeth, and the first connecting piece is connected with the second sliding piece.
Preferably, a clamping portion is formed in the inner wall of the closed end of the first sliding member, the clamping portion is located below the lower edge of the second sound opening, extrusion pieces are fixedly mounted at the upper end and the lower end of the inner wall of the clamping portion respectively, the extrusion pieces are identical to the clamping portion in cross section shape, dust falling pieces are arranged in the extrusion pieces, the dust falling pieces are connected into the two extrusion pieces in an inserting mode, one end, far away from the extrusion pieces, of each dust falling piece at least extends to the edge of the position where the second sound opening is located, the extrusion pieces are used for receiving dust falling into the second sliding member when the second sliding member moves, and when the second sliding member is located at the first preset position, the dust outside enters the second sliding member.
Preferably, the ash falling part is formed by connecting at least two continuous sections of arc-shaped plates, the clamping part and the ash falling part are the same in cross section shape, the extrusion part is a magnet, and the ash falling part is made of copper.
Preferably, the outer wall of the first sliding part is provided with an installation opening, the length and the width of the installation opening are both larger than the contour width and the length of the ash falling part, and a blocking plate is arranged in the installation opening and is adhered to the installation opening.
Preferably, the speaker further comprises:
the drainage structure comprises a water inlet and a water outlet, the water inlet is arranged on the first box body, the water outlet is arranged on the second box body, and the second box body is also provided with a third preset position in the first box body;
when the third box body moves to a third preset position, the water inlet is communicated with the water outlet, so that water in the cavity can flow out.
Preferably, the water inlet comprises two water through holes formed in the opposite positions of the side wall of the first sliding piece, a water channel is formed in the bottom wall surface of the second sliding piece, the water outlet comprises a water outlet, the outer wall of the second sliding piece is formed in the water outlet, when the second sliding piece is located at a third preset position in the first sliding piece, the water through holes, the water channel and the water outlet are communicated, a water inlet groove is formed in the cavity, and the water inlet groove is communicated with the water through holes.
An electronic terminal device comprising:
the back of the machine body is detachably provided with a sound-emitting part, the sound-emitting part is used for emitting sound, and the sound-emitting part is the sound-emitting part.
According to the invention, the first box body and the second box body are arranged in the cavity in the sound generating part, meanwhile, the second box body is provided with the first preset position and the second preset position in the first box body, the second box body can move between the first preset position and the second preset position in a push-pull mode, and the first preset position and the second preset position are moved in the push-pull mode to open or close the sound transmission channel of the loudspeaker, so that compared with the existing structure for opening or closing the sound channel through the rotary channel switch structure, the box type channel switch structure can prevent dust stained on the outer wall of the channel switch structure from falling into the channel switch structure due to factors such as scraping and vibration, and the like, and prevent dust accumulation from influencing the performance of the loudspeaker.
Drawings
FIG. 1 is a schematic view of the machine body and the generating assembly of the present invention;
FIG. 2 is a schematic view of a first observation direction of the sound-emitting portion according to the present invention;
FIG. 3 is a schematic view of a second observation direction of the sound-emitting portion according to the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 according to the present invention;
FIG. 5 is a schematic view of a third observation direction of the sound-emitting portion according to the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5 according to the present invention;
FIG. 7 is a schematic view of a first viewing direction of the cassette of the present invention;
FIG. 8 is a schematic view of a second viewing direction of the cassette of the present invention;
FIG. 9 is a front cross-sectional view of the cartridge of the present invention.
In the figure: 10 machine body, 20 sound generating part, 21 first mounting port, 22 loudspeaker, 23 second mounting port, 30 first sliding piece, 31 second sliding piece, 32 first sound port, 33 second sound port, 34 blocking plate, 35 mounting port, 40 ash falling piece, 41 clamping part, 42 extruding piece, 50 water through hole, 51 water channel, 52 water inlet groove, 53 water outlet, 60 motor, 61 first connecting piece and 62 second connecting piece.
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.
As described in the background, the prior art has shortcomings, and in order to solve the above technical problems, the present application proposes a speaker assembly and an electronic terminal device having the same.
In an exemplary embodiment of the present application, as shown in fig. 1 to 9, a speaker assembly includes a sound-emitting portion 20, a cavity is formed inside the sound-emitting portion 20, a height of one end of the cavity is greater than a height of the other end of the cavity, a top wall of the sound-emitting portion 20 is provided with a first mounting port 21, the first mounting port 21 is communicated with the cavity, a side wall of the sound-emitting portion 20 is provided with a second mounting port 23, and the second mounting port 23 is communicated with the cavity; a speaker 22 connected to the sound emitting portion 20, the speaker 22 being disposed in the cavity;
the first box body is connected with the sound-emitting part 20, and the side walls of the two sides of the first box body are respectively provided with a first outlet at the corresponding positions; the second box body can be arranged in the first box body in a push-pull mode, second outlets are respectively formed in the positions, corresponding to the side walls of the two sides of the second box body, of the side walls, and the second box body can move between a first preset position and a second preset position in the first box body;
the power mechanism is arranged in the second mounting opening 23, connected with the second box body and used for driving the second box body to move;
when the second box body moves to a first preset position, the first outlet and the second outlet are overlapped, so that the cavity is opened; when the second box body moves to a second preset position, the first outlet and the second outlet are staggered, so that the cavity is closed.
Further, the first box body comprises a first sliding part 30, the interior of the first sliding part 30 is provided with a hollow structure, and one side wall surface of the first sliding part 30 is open; the second box body comprises a second sliding part 31, the second sliding part 31 is hollow, one end of the second sliding part 31, which is far away from the power mechanism, is open, one open end of the second sliding part 31 is located in the first sliding part 30, the second sliding part 31 can move relative to the first sliding part 30, and both the second sliding part 31 and the first sliding part 30 are rectangular structures.
Further, the first outlet includes at least two first sound ports 32, the second outlet includes at least two second sound ports 33, when the second slider 31 moves to a first predetermined position, the first sound ports 32 and the second sound ports 33 communicate with the cavity, and when the second slider 31 moves to a second predetermined position, the first sound ports 32 and the second sound ports 33 are staggered from the cavity.
Further, the power mechanism comprises: the motor 60 is fixedly connected with the inner wall of the second mounting opening 23, and a gear is arranged at the tail end of a shaft rod of the motor 60; the second connecting piece 62 is a rack, the second connecting piece 62 is engaged with the gear, a first connecting piece 61 is welded on one side wall surface of the second connecting piece 62 with teeth, and the first connecting piece 61 is connected with the second sliding piece 31. The motor 60 is a rotor motor for an electronic terminal device.
Furthermore, a clamping portion 41 is formed in the inner wall of the closed end of the first sliding member 30, the clamping portion 41 is located below the lower edge of the second sound opening 33, pressing members 42 are fixedly mounted at the upper end and the lower end of the inner wall of the clamping portion 41 respectively, the cross-sectional shapes of the pressing members 42 and the clamping portion 41 are the same, a dust falling member 40 is arranged in each pressing member 42, the dust falling members 40 are inserted into the two pressing members 42, one end, far away from the pressing members 42, of each dust falling member 40 at least extends to the edge of the position where the second sound opening 33 is located, each pressing member 42 is used for receiving dust falling into the second sliding member 31 when the second sliding member 31 moves, and when the second sliding member 31 is located at the first preset position, dust entering the second sliding member 31 from the outside is received by the pressing members 42.
Further, the ash falling member 40 is formed by connecting at least two continuous arc-shaped plates, the engaging portion 41 has the same cross-sectional shape as the ash falling member 40, the extrusion member 42 is a magnet, and the ash falling member 40 is made of copper. Therefore, after external dust enters the second sliding part 31, the dust can fall on the dust falling part 40, the dust retaining performance of the dust falling part 40 with the concave-convex surface is better, meanwhile, when the extrusion part 42 is inserted into the dust falling part 40, the extrusion part 42 can be attracted with the dust falling part 40, the fixing stability of the dust falling part 40 is further improved, the copper dust falling part 40 has better ductility and corrosion resistance compared with the iron dust falling part 40, and the copper dust falling part is cheap and durable in material.
Further, the outer wall of the first sliding member 30 is provided with an installation opening 35, the length and the width of the installation opening 35 are both greater than the contour width and the contour length of the ash falling member 40, and a blocking plate 34 is arranged in the installation opening 35 and is adhered to the installation opening 35. This glue is the hot melt adhesive, heats promptly to glue water can in order to melt behind the uniform temperature to make closure plate 34 can dismantle, ash component 40 will fall is taken out to the rethread installing port 35 and is carried out the dust clearance.
The speaker further includes:
the drainage structure comprises a water inlet and a water outlet, the water inlet is arranged on the first box body, the water outlet is arranged on the second box body, and the second box body is also provided with a third preset position in the first box body;
when the third box body moves to a third preset position, the water inlet is communicated with the water outlet, so that water in the cavity can flow out.
Further, the water inlet includes two water through holes 50 formed in opposite positions of the side wall of the first sliding member 30, a water passage 51 is formed in the bottom wall of the second sliding member 31, the water outlet includes a water outlet 53, the water outlet 53 is formed in the outer wall of the second sliding member 31, when the second sliding member 31 is located at a third predetermined position inside the first sliding member 30, the water through holes 50, the water passage 51 and the water outlet 53 are communicated, a water inlet groove 52 is formed in the cavity, and the water inlet groove 52 is communicated with the water through holes 50. Make this speaker because unexpected the back of intaking, remove to the third preset position through drive second slider 31 for water in the cavity flows through drainage channel, can open the speaker simultaneously, makes and produces vibrations in the cavity, increases drainage efficiency.
The second box body can be provided with a marking point position, and when the marking point position moves to the first preset position, the second box body moves to the first preset position. When the marking point position moves to the second preset position, the second box body moves to the second preset position. When the marking point position moves to the third preset position, the second box body moves to the third preset position.
An electronic terminal device comprising:
the back of the machine body 10 is detachably provided with a sound generating portion for generating sound, which is the sound generating portion 20 described above. The loudspeaker can also be used in other small digital devices, such as Bluetooth watches, Bluetooth sound boxes and small radios.
The specific principle of use of the device will be described below:
when the loudspeaker is used, the motor 60 is controlled to be started, the motor 60 is started to drive the second connecting piece 62 to move, the second connecting piece 62 is moved to drive the first connecting piece 61 to move, the first connecting piece 61 is moved to drive the second sliding piece 31 to move in the first sliding piece 30, the second sliding piece 31 is moved to a first preset position in the first sliding piece 30 through the motor 60, the cavity in the sound-emitting part 20, the first sound port 32, the second sound port 33 and the outside are communicated, and at the moment, sound is transmitted to the outside of equipment with the sound-emitting part 20;
when the loudspeaker is not used, the motor 60 enables the second sliding piece 31 to move to the second preset position in the first sliding piece 30, the cavity in the sound-emitting part 20, the first sound port 32, the second sound port 33 and the outside are not communicated, and external dust cannot enter the cavity and the inside of the second sliding piece 31, so that the influence of the dust on the use of the loudspeaker is avoided; meanwhile, the second sliding part 31 does not scratch dust when moving inside the first sliding part 30, so that the dust is prevented from falling into the second sliding part 31 and being difficult to clean, and the dust falling part 40 can enable the second sliding part 31 to be stored and easily detached and cleaned after being influenced by external vibration and dust in the air to accumulate the dust.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A speaker assembly, comprising:
the sounding part (20), a cavity is formed inside the sounding part (20), a first mounting port (21) is formed in the top wall of the sounding part (20), the first mounting port (21) is communicated with the cavity, a second mounting port (23) is formed in the side wall of the sounding part (20), and the second mounting port (23) is communicated with the cavity;
a speaker (22) connected to the sound emitting portion (20), the speaker (22) being disposed within the cavity;
the first box body is connected with the sound-emitting part (20), and the corresponding positions of the side walls of the two sides of the first box body are respectively provided with a first outlet;
the second box body can be arranged in the first box body in a push-pull mode, second outlets are respectively formed in the positions, corresponding to the side walls of the two sides of the second box body, of the side walls, and the second box body can move between a first preset position and a second preset position in the first box body;
the power mechanism is arranged in the second mounting opening (23), is connected with the second box body and is used for driving the second box body to move;
when the second box body moves to a first preset position, the first outlet and the second outlet are overlapped, so that the cavity is opened;
when the second box body moves to a second preset position, the first outlet and the second outlet are staggered, so that the cavity is closed.
2. The speaker assembly according to claim 1, wherein the first box body comprises a first slider (30), the first slider (30) has a hollow structure inside, and a side wall surface of the first slider (30) is open; the second box body comprises a second sliding part (31), the interior of the second sliding part (31) is hollow, one end, far away from the power mechanism, of the second sliding part (31) is open, one end, far away from the power mechanism, of the open end of the second sliding part (31) is located in the first sliding part (30), and the second sliding part (31) can move relative to the first sliding part (30).
3. A loudspeaker assembly according to claim 2, wherein the first outlet comprises at least two first sound ports (32) and the second outlet comprises at least two second sound ports (33), the first sound ports (32) and the second sound ports (33) communicating with the cavity when the second slider (31) is moved to a first predetermined position, and the first sound ports (32) and the second sound ports (33) being misaligned with the cavity when the second slider (31) is moved to a second predetermined position.
4. The speaker assembly of claim 1, wherein the power mechanism comprises:
the motor (60) is fixedly connected with the inner wall of the second mounting opening (23), and a gear is arranged at the tail end of a shaft rod of the motor (60);
the second connecting piece (62), the second connecting piece (62) are the rack, the second connecting piece (62) with gear engagement, the welding of one side wall face that second connecting piece (62) has the tooth has first connecting piece (61), first connecting piece (61) with second slider (31) are connected.
5. The loudspeaker assembly according to claim 2, wherein the inner wall of the closed end of the first sliding member (30) is provided with a clamping portion (41), the clamping portion (41) is located below the lower edge of the second sound opening (33), the upper and lower ends of the inner wall of the clamping portion (41) are respectively fixedly provided with a pressing member (42), the cross-sectional shapes of the pressing members (42) and the clamping portion (41) are the same, a dust falling member (40) is arranged in each pressing member (42), the dust falling member (40) is inserted into the two pressing members (42), one end of each dust falling member (40) far away from the pressing member (42) at least extends to the edge of the position of the second sound opening (33), each pressing member (42) is used for receiving dust falling into the second sliding member (31) when the second sliding member (31) moves, and the second sliding member (31) is located at a first preset position, dust entering the second slider (31) from the outside.
6. The loudspeaker assembly according to claim 5, wherein the dust falling member (40) is formed by connecting at least two continuous arc-shaped plates, the clamping part (41) and the dust falling member (40) have the same cross-sectional shape, the extrusion member (42) is a magnet, and the dust falling member (40) is made of copper.
7. A loudspeaker according to claim 5, characterized in that the outer wall of the first sliding member (30) is provided with a mounting opening (35), the length and width of the mounting opening (35) are both greater than the contour width and length of the dust falling member (40), and a blocking plate (34) is arranged in the mounting opening (35) and is bonded with the mounting opening (35) through gluing.
8. The speaker assembly of claim 1, further comprising:
the drainage structure comprises a water inlet and a water outlet, the water inlet is arranged on the first box body, the water outlet is arranged on the second box body, and the second box body is also provided with a third preset position in the first box body;
when the third box body moves to a third preset position, the water inlet is communicated with the water outlet, so that water in the cavity can flow out.
9. The loudspeaker assembly according to claim 8, wherein the water inlet comprises two water passing holes (50) formed at opposite positions on the side wall of the first sliding member (30), the bottom wall of the second sliding member (31) is formed with a water passage (51), the water outlet comprises a water outlet (53), the water outlet (53) is formed with an outer wall of the second sliding member (31), when the second sliding member (31) is located at a third predetermined position inside the first sliding member (30), the water passing holes (50), the water passage (51) and the water outlet (53) are communicated, a water inlet groove (52) is formed in the cavity, and the water inlet groove (52) is communicated with the water passing holes (50).
10. An electronic terminal device based on a loudspeaker assembly according to any one of claims 1-9, comprising:
a body (10), a speaker assembly being detachably provided on a back of the body (10).
CN202110532334.3A 2021-05-17 2021-05-17 Loudspeaker assembly and electronic terminal equipment with same Active CN113365194B (en)

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CN202110532334.3A CN113365194B (en) 2021-05-17 2021-05-17 Loudspeaker assembly and electronic terminal equipment with same

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CN202110532334.3A CN113365194B (en) 2021-05-17 2021-05-17 Loudspeaker assembly and electronic terminal equipment with same

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CN113365194B CN113365194B (en) 2023-03-28

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9209843D0 (en) * 1991-05-08 1992-06-24 British Telecomm Telephone handset
JP2010135868A (en) * 2008-12-02 2010-06-17 Nec Saitama Ltd Acoustic apparatus, and electronic device
US20140140558A1 (en) * 2012-11-16 2014-05-22 Apple Inc. Active protection for acoustic device
CN103931210A (en) * 2011-09-29 2014-07-16 诺基亚公司 Dust protection of sound transducer
CN104363537A (en) * 2014-11-28 2015-02-18 惠州Tcl移动通信有限公司 Automatic dustproof device and method
CN204759271U (en) * 2014-05-20 2015-11-11 苹果公司 Electron device with shell port hides door
CN111147650A (en) * 2019-12-31 2020-05-12 维沃移动通信有限公司 Electronic device
CN112468904A (en) * 2020-11-27 2021-03-09 Oppo广东移动通信有限公司 Speaker assembly and electronic device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9209843D0 (en) * 1991-05-08 1992-06-24 British Telecomm Telephone handset
JP2010135868A (en) * 2008-12-02 2010-06-17 Nec Saitama Ltd Acoustic apparatus, and electronic device
CN103931210A (en) * 2011-09-29 2014-07-16 诺基亚公司 Dust protection of sound transducer
US20140140558A1 (en) * 2012-11-16 2014-05-22 Apple Inc. Active protection for acoustic device
CN204759271U (en) * 2014-05-20 2015-11-11 苹果公司 Electron device with shell port hides door
CN104363537A (en) * 2014-11-28 2015-02-18 惠州Tcl移动通信有限公司 Automatic dustproof device and method
CN111147650A (en) * 2019-12-31 2020-05-12 维沃移动通信有限公司 Electronic device
CN112468904A (en) * 2020-11-27 2021-03-09 Oppo广东移动通信有限公司 Speaker assembly and electronic device

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