CN117714948A - Speaker seal structure, housing assembly and electronic equipment - Google Patents
Speaker seal structure, housing assembly and electronic equipment Download PDFInfo
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- CN117714948A CN117714948A CN202310575315.8A CN202310575315A CN117714948A CN 117714948 A CN117714948 A CN 117714948A CN 202310575315 A CN202310575315 A CN 202310575315A CN 117714948 A CN117714948 A CN 117714948A
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
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- 229910000838 Al alloy Inorganic materials 0.000 description 1
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
- 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
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Abstract
The application discloses speaker seal structure, housing assembly and electronic equipment belongs to speaker technical field. The speaker seal structure includes: a seal skeleton and an edge seal; the sealing framework is provided with a first sound outlet through hole, a soft sealing strip is arranged around the first sound outlet through hole, and the first sound outlet through hole is correspondingly communicated with a sound outlet of the loudspeaker; an edge seal is provided at the edge of the front chamber of the speaker. The shell assembly comprises a shell and the loudspeaker sealing structure, wherein the shell comprises a substrate and a frame, and the frame is arranged around the substrate; the sealing framework is arranged at the joint of the frame and the substrate, and the edge sealing piece is fixed on the substrate. The electronic device comprises a loudspeaker and the shell component; the loudspeaker comprises a box body and an inner core, wherein the box body is provided with an open cavity, and a vibrating diaphragm of the inner core faces to the open side of the cavity; the soft sealing strip is clamped between the box body and the sealing framework, and the edge sealing piece is clamped between the box body and the substrate; the loudspeaker is favorable for guaranteeing normal functions of the loudspeaker.
Description
Technical Field
The application relates to the technical field of speakers, in particular to a speaker sealing structure, a housing assembly and electronic equipment.
Background
For mobile phones, notebook computers, tablet electric and other electronic devices, a loudspeaker is generally arranged, so that the electronic device can sound through the loudspeaker to meet the daily demands of users; however, with the continuous development of technology, the appearance requirements of the electronic devices are gradually expanding towards the light and thin direction, wherein the speaker is a factor affecting the thinning of the whole device. Taking the mobile phone as an example, a loudspeaker in the mobile phone comprises an inner core and a sealing metal sheet, a front cavity of the loudspeaker is formed between a vibrating diaphragm of the inner core and the sealing metal sheet of the loudspeaker, the front cavity is communicated with a sound outlet of the loudspeaker, the vibrating diaphragm can vibrate in the front cavity, so that the loudspeaker can emit sound, in order to ensure that the function of the loudspeaker is normal, good sealing between the sound outlet of the loudspeaker and a middle frame of the mobile phone is required, the good sealing is generally realized through enough sealing width, and if the sealing width is insufficient, the situation that the loudspeaker is prone to audio leakage and sound outlet liquid inlet and further prone to poor functions is caused; correspondingly, the sealing scheme adopted by the loudspeaker is as follows: the sound outlet and the middle frame are sealed through the sealing ring, so that the projection height of the sealing structure in the height direction of the loudspeaker comprises the projection of the upper side width of the sealing ring, the height of the sound outlet and the projection of the upper side width of the sealing ring. Therefore, for the thinning of the electronic device, after the thinning design is performed on the speaker, the sealing structure is further required to be designed to ensure that the function of the speaker is normal.
Disclosure of Invention
The application provides a speaker seal structure, casing subassembly and electronic equipment to make after carrying out the attenuate design to speaker itself, utilize speaker ware seal structure in order to guarantee the function of speaker normal.
The technical scheme is as follows:
a first aspect of the present application provides a speaker seal structure, comprising: a seal skeleton and an edge seal;
the sealing framework is provided with a first sound outlet through hole, a soft sealing strip is arranged around the first sound outlet through hole, and the first sound outlet through hole is used for being correspondingly communicated with a sound outlet of the loudspeaker;
the edge seal is for placement at an edge of a front cavity of the speaker.
Through adopting the scheme, after the sealing framework is arranged on the shell of the electronic equipment, the soft sealing strip is arranged on the first sound outlet through hole of the sealing framework in a turnover way, so that after the first sound outlet through hole and the sound outlet of the loudspeaker are communicated through elastic deformation during assembly, sound is not easy to leak from the joint between the sealing framework and the loudspeaker, and the sound quality of the loudspeaker is ensured; in addition, the sealing between the front cavity of the loudspeaker and the shell of the electronic equipment is realized by utilizing the edge sealing piece, so that the sealing between the front cavity and the shell is ensured, and the sound quality of the loudspeaker is ensured when the vibrating diaphragm of the loudspeaker vibrates, thereby ensuring the normal function of the loudspeaker.
In some implementations, the edge seal includes a plurality of sub-seal bars, and the plurality of sub-seal bars are connected end to end in sequence to enclose a closed figure.
By adopting the scheme, the sealing performance between the front cavity of the whole loudspeaker and the shell of the electronic equipment is ensured by using the edge sealing piece with the closed pattern.
In some implementations, a first assembly groove is formed in the sealing skeleton, and a portion of the flexible sealing strip is disposed in the first assembly groove.
By adopting the scheme, after the partial structure of the flexible sealing strip is inserted into the first assembly groove, in the use process, the flexible sealing piece is not easy to move on the sealing framework, and the sealing performance between the sealing framework and the loudspeaker is further ensured.
In some implementations, at least one first positioning hole is formed in the bottom of the first assembly groove, the flexible sealing strip is provided with a first positioning column matched with the first positioning hole, and the first positioning column is inserted into the first positioning hole.
By adopting the scheme, after the first positioning column is inserted into the first positioning hole, the accuracy of the installation position of the flexible sealing strip on the sealing framework is ensured, and the installation precision is ensured.
In some implementations, the sealing skeleton has opposing first and second sides, the first side for facing the speaker and the second side for facing a housing of an electronic device;
the second side surface comprises a first sub-surface and a second sub-surface, and the first sub-surface is connected with the second sub-surface.
By adopting the scheme, the sealing performance between the loudspeaker and the shell of the electronic equipment is guaranteed through the sealing framework conveniently.
In some implementations, the junction of the first and second sub-faces has an edge;
or, the second side surface further comprises a transition curved surface, and the first sub-surface and the second sub-surface are connected through the transition curved surface.
By adopting the scheme, the installation of the speakers at different positions in the adaptive electronic equipment is utilized.
In some implementations, the sealing skeleton is attached to the upper surface of one of the sub-sealing strips; the flexible sealing strip is provided with a lap joint part, and the lap joint part is lapped on the edge sealing piece.
By adopting the scheme, the sealing framework is positioned on the upper surface of the sub-sealing strip, so that the sealing framework can compress the sub-sealing strip during assembly, and the tightness between the sealing framework and the shell of the electronic equipment is ensured; in addition, the lap joint part is lapped on the sealing piece, so that the soft sealing strip is contacted with the edge sealing piece, and after the loudspeaker is installed, the sealing performance of the connection part of the loudspeaker and the shell of the electronic equipment and the sealing framework can be ensured.
In some implementations, the sealing skeleton is made of a hard material.
Through adopting above-mentioned scheme, seal frame's material can provide the support for the dust screen for hard material, makes things convenient for the installation of dust screen.
In some implementations, the soft sealing strip is made of rubber or silica gel.
By adopting the scheme, the sealing performance can be improved conveniently by using rubber or silica gel.
In some implementations, the edge seal is made of foam.
By adopting the scheme, the foam is favorable for weight reduction and ensures good tightness.
A second aspect of the present application provides a housing assembly, including a housing and any of the speaker seal arrangements, the housing including a substrate and a bezel disposed about the substrate; the sealing framework is arranged at the joint of the frame and the substrate, and the edge sealing piece is fixed on the substrate.
Through adopting above-mentioned scheme, after utilizing speaker seal structure to install on the casing, do benefit to the function of guaranteeing the speaker normal.
In some implementations, the substrate has a preset through hole, and the edge seal is fixed to an edge of the preset through hole.
Through adopting above-mentioned scheme, utilize to set up the through-hole in advance on the base plate, the front chamber of speaker can form great space with predetermineeing the through-hole together like this, has the effect of expanding the sound of speaker.
In some implementations, the housing assembly further includes a dust screen coupled to the seal skeleton.
Through adopting above-mentioned scheme, utilize the installation of the dust screen of being convenient for of sealed skeleton to the dust screen can reduce external debris and get into the front chamber of speaker, guarantees the tone quality of speaker.
A third aspect of the present application provides an electronic device comprising a speaker and any of the housing assemblies described;
the loudspeaker comprises a box body and an inner core, wherein the box body is provided with an open cavity, the inner core is arranged in the cavity, and a vibrating diaphragm of the inner core faces to the open side of the cavity;
the soft sealing strip is clamped between the box body and the sealing framework, and the edge sealing piece is clamped between the box body and the substrate.
Through adopting above-mentioned scheme, after utilizing speaker seal structure to install on the casing, do benefit to the function of guaranteeing the speaker normal.
Drawings
Fig. 1 is a schematic diagram of a structure in which a speaker of a closed front chamber of a related art is installed in a mobile phone;
fig. 2 is a schematic view of a speaker seal structure provided in an embodiment of the present application;
fig. 3 is a schematic structural view of the speaker seal structure of fig. 2 from yet another perspective;
fig. 4 is a schematic structural view of a sealing skeleton of the speaker sealing structure of fig. 2;
fig. 5 is a schematic structural view of a sealing skeleton of the speaker seal structure of fig. 2 from yet another perspective;
fig. 6 is a schematic structural view of a sealing skeleton of the speaker seal structure of fig. 2 from a further perspective;
FIG. 7 is a schematic view of the flexible sealing strip of the speaker seal structure of FIG. 2;
FIG. 8 is a schematic structural view of a further view of the flexible sealing strip of the speaker seal structure of FIG. 2;
fig. 9 is a schematic view of another structure of a speaker seal structure provided in an embodiment of the present application;
fig. 10 is a schematic structural view of the speaker seal structure of fig. 9 from yet another perspective;
fig. 11 is a schematic structural view of a sealing skeleton of the speaker sealing structure in fig. 9;
fig. 12 is a schematic structural view of a sealing skeleton of the speaker seal structure of fig. 9 from yet another perspective;
fig. 13 is a schematic structural view of a sealing skeleton of the speaker seal structure of fig. 9 from a further perspective;
fig. 14 is a schematic view of the structure of the flexible sealing strip of the speaker seal structure of fig. 9;
FIG. 15 is a schematic view of a further view of the flexible sealing strip of the speaker seal structure of FIG. 9;
FIG. 16 is a partial structural schematic view of a housing assembly in an embodiment of the present application;
fig. 17 is a state diagram of the housing assembly of fig. 16 without the speaker seal arrangement installed;
FIG. 18 is a schematic view of yet another partial construction of a housing assembly in an embodiment of the present application;
fig. 19 is a state diagram of the case assembly of fig. 18 without the speaker seal structure installed;
fig. 20 is a schematic structural diagram of an electronic device in an embodiment of the present application;
fig. 21 is a schematic structural diagram of a speaker with an open front cavity in an embodiment of the present application.
Wherein, the meanings represented by the reference numerals are respectively as follows:
11. sealing the metal sheet; 12. a sound outlet; 13. a seal ring; 14. a middle frame; 101. sealing the framework; 102. an edge seal; 103. a first sound outlet through hole; 104. a flexible sealing strip; 105. a first long side portion; 106. a first short side portion; 107. a middle short side portion; 108. a second long side portion; 109. a second short side portion; 110. a third short side portion; 111. a first fitting groove; 112. a first positioning hole; 113. a first positioning column; 114. a first side; 115. a second side; 116. a first sub-surface; 117. a second sub-surface; 118. a transition curved surface; 119. an edge; 120. a lap joint; 121. a step structure; 122. a plane; 123. a sub-seal strip; 201. a substrate; 202. a frame; 203. a top; 204. a bottom; 205. presetting a through hole; 206. a dust screen; 301. a case; 302. a kernel; 303. a display screen; 306. a first cover plate; 307. a second cover plate; 308. a first opening; 309. a front cavity; 310. and a sound outlet.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
It should be understood that reference herein to "a plurality" means two or more. In the description of the present application, "/" means or, unless otherwise indicated, for example, a/B may represent a or B; "and/or" herein is merely an association relationship describing an association object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In addition, for the purpose of facilitating the clear description of the technical solutions of the present application, the words "first", "second", etc. are used to distinguish between the same item or similar items having substantially the same function and effect. It will be appreciated by those of skill in the art that the words "first," "second," and the like do not limit the amount and order of execution, and that the words "first," "second," and the like do not necessarily differ.
In the related art, referring to fig. 1, a Speaker (SPK-BOX, english: speaker BOX) in a mobile phone includes a core and a sealing metal sheet 11, a front cavity of the Speaker is formed between a diaphragm of the core and the sealing metal sheet of the Speaker, and the front cavity of the Speaker is closed; the front cavity is communicated with the sound outlet 12 of the loudspeaker, the vibrating diaphragm can vibrate in the front cavity, so that the loudspeaker can emit sound, in order to ensure the normal function of the loudspeaker, good sealing is required between the sound outlet of the loudspeaker and the middle frame of the mobile phone, the good sealing is generally realized through enough sealing width, and if the sealing width is insufficient, the situation that the sound frequency is leaked and the sound outlet is fed is easy to occur, so that the loudspeaker is easy to have poor functions is easy to occur; correspondingly, the sealing scheme adopted by the loudspeaker is as follows: the sound outlet 12 and the middle frame 14 are sealed by the sealing ring 13, so that the projection height of the sealing structure in the height direction of the loudspeaker comprises the projection of the upper side width of the sealing ring 13, the projection of the height of the sound outlet 12 and the projection of the upper side width of the sealing ring 13, wherein the height direction of the loudspeaker is parallel to the thickness direction of the mobile phone; in order to thin the speaker, a speaker having an open front chamber is designed, so that the speaker having an open front chamber omits the sealing metal sheet 11 compared with a speaker having a closed front chamber, thereby enabling the thickness of the speaker having an open front chamber to be thinned, and in order to secure the sealing property thereof, the sealing structure thereof needs to be redesigned to secure the sealing property thereof, thereby securing the normal function of the speaker having an open front chamber. Therefore, the embodiment of the application provides a loudspeaker sealing structure to solve the problem of sealing performance of a loudspeaker with an open front cavity, and simultaneously provides a shell assembly with the loudspeaker sealing structure, so that electronic equipment with the shell assembly is provided.
The speaker sealing structure, the housing assembly and the electronic device provided in the embodiments of the present application are explained in detail below.
In one or more embodiments, the speaker sealing structure provided by the present application is applicable to a speaker having an open front cavity, where the front cavity of the speaker of the open front cavity is matched with a housing of an electronic device or other components of the electronic device, so as to seal the front cavity of the speaker after the speaker is mounted on the housing of the electronic device, which is beneficial to thickness reduction of the electronic device.
As shown in connection with fig. 1, 9 and 21, the speaker sealing structure includes: a seal skeleton 101 and an edge seal 102; the sealing framework 101 is provided with a first sound outlet through hole 103, a soft sealing strip 104 is arranged around the first sound outlet through hole 103, and the first sound outlet through hole 103 is used for being correspondingly communicated with a sound outlet 310 of the loudspeaker; the edge seal 102 is intended to be placed at the edge of the front cavity 309 of the loudspeaker.
In at least one embodiment of the present application, after the sealing framework 101 is disposed on the housing of the electronic device, the soft sealing strip 104 is disposed in the first sound outlet through hole 103 of the sealing framework 101 in a turnover manner, so that after the soft sealing strip 104 is capable of elastically deforming during assembly to ensure that the first sound outlet through hole 103 is communicated with the sound outlet 310 of the speaker, sound is not easy to leak from the joint between the sealing framework 101 and the speaker, and sound quality of the speaker is ensured; in addition, the sealing between the front cavity 309 of the speaker and the housing of the electronic device is achieved by the edge sealing member 102, so that the sealing between the front cavity 309 and the housing is ensured, and the sound quality of the speaker is ensured when the vibrating diaphragm of the speaker vibrates, thereby ensuring the normal function of the speaker.
Referring to fig. 2 and 3, and fig. 9 and 10, in some embodiments, the edge sealing member 102 includes a plurality of sub-sealing strips 123, and the plurality of sub-sealing strips 123 are sequentially connected end to form a closed pattern, so that the sealing performance between the front cavity 309 of the entire speaker and the housing of the electronic device is ensured by using the edge sealing member 102 in the closed pattern. In one embodiment, the plurality of sub-sealing strips 123 are connected end to end in sequence, that is, one end of one sealing strip in the length direction is connected with the other end of the other sealing strip in the length direction, the other end of one sealing strip in the length direction is connected with one end of the other sealing strip in the length direction, and the number of the sub-sealing strips 123 can be 4, the 4 sub-sealing strips 123 are connected end to form a closed shape, the sub-sealing strips 123 have a certain length, width and thickness, and the specific number can be designed according to requirements; the longitudinal extension direction of the different sub-seal bars 123 is not limited to a straight line, and may be a zigzag shape, or may be a curved shape, and specifically may be determined according to the outer peripheral outline of the front chamber 309 of the speaker.
Referring to fig. 4 and 6, and fig. 11 and 13, in some embodiments, the sealing skeleton 101 may have one or more first sound-emitting holes 103; when the number of the first sound outlet through holes 103 is plural, the plural first sound outlet through holes 103 are arranged at intervals along the length direction of the seal skeleton 101; the flexible sealing strip 104 is disposed at the edge of the first sound outlet hole 103, and the flexible sealing strip 104 may not enclose a closed pattern, so as to facilitate enlarging the area of the first sound outlet hole 103. Illustratively, the number of first sound outlet through holes 103 may be 1 or 2; the first sound outlet through hole 103 has an upper side, a lower side, a left side, and a right side. The flexible sealing strip 104 is in a compressed state after being assembled, which is beneficial to ensuring the sealing performance. After the sealing skeleton 101 is mounted on the electronic housing, for example, the middle frame of the mobile phone, the penetrating direction of the first sound outlet hole 103 is generally parallel to the screen of the mobile phone, so that sound is emitted from the side surface of the middle frame of the mobile phone. In other possible embodiments, the number of the first sound outlet holes 103 may be 3 or more, which is not limited in particular.
As shown in fig. 2, 7 and 8, in one embodiment, the flexible sealing tape 104 includes a first long side portion 105 and a first short side portion 106, the first long side portion 105 is connected to the first short side portion 106 at two ends thereof, the first short side portion 106 and the first long side portion 105 are disposed at a certain angle, i.e., not parallel to each other, a portion between the two ends of the first long side portion 105 is connected to an intermediate short side portion 107, and the intermediate short side portion 107 is mounted on the sealing skeleton 101 between two adjacent first sound outlet through holes 103; the first long side part 105 is positioned on the upper side of the first sound outlet through hole 103, so that the sealing between the upper side of the first sound outlet through hole 103 and the loudspeaker is realized by the first long side part 105; the first short side part 106 and the middle short side part 107 realize sealing between the left side and the right side of the first sound outlet through hole 103 and the loudspeaker; for example, the case where there are 2 first sound emitting through holes 103 on the sealing skeleton 101 is suitable for the first long side portion 105, the first short side portion 106, and the intermediate short side portion 107.
As shown in fig. 9, 14 and 15, in another embodiment, the flexible sealing tape 104 includes a second long side portion 108, a second short side portion 109 and a third short side portion 110, wherein the second short side portion 109 is connected to opposite ends of the second long side portion 108, each second short side portion 109 is connected to a third short side portion 110, and the third short side portion 110 is arranged parallel to the second long side portion 108; the second short side 109 and the second long side 108 are disposed at an angle therebetween, i.e., not parallel to each other; thus, the sealing between the sealing skeleton 101 and the speaker is achieved by the second long side portion 108, the second short side portion 109, and the third short side portion 110, wherein the second long side portion 108 achieves sealing between the upper side of the first sound outlet hole 103 and the speaker, and the second short side portion 109 achieves sealing between the left side and the right side of the first sound outlet hole 103 and the speaker, respectively; the third short side portion 110 realizes sealing between a part of the lower side of the first sound outlet hole 103 and the speaker, which is advantageous in increasing the sound outlet area of the first sound outlet hole 103.
Referring to fig. 4 and 11, in some embodiments, the sealing skeleton 101 is provided with a first assembling groove 111, and a part of the structure of the flexible sealing strip 104 is disposed in the first assembling groove 111, so that after the part of the structure of the flexible sealing strip 104 is inserted into the first assembling groove 111, in a use process, the flexible sealing element is not easy to move on the sealing skeleton 101, and sealing performance between the sealing skeleton 101 and the speaker is further ensured. In one embodiment, the flexible sealing strip 104 is a sealing rubber strip, and the material of the flexible sealing strip is rubber or silica gel, so that the sealing performance can be improved conveniently by using the rubber or the silica gel; of course, the material of the software sealing strip can also be other elastic materials which can be compressed; the first assembly groove 111 is adapted to each portion of the flexible sealing strip 104, so that the installation stability of the flexible sealing strip 104 on the sealing skeleton 101 is improved, the flexible sealing strip 104 is convenient to install on the sealing skeleton 101, and the sealing performance can be improved.
Referring to fig. 4 and fig. 8, and fig. 11 and 15, in which the first assembly groove 111 in fig. 4 is matched with the flexible sealing strip 104 in fig. 8, and in some embodiments, the first assembly groove 111 in fig. 11 is matched with the flexible sealing strip 104 in fig. 15, at least one first positioning hole 112 is formed in the bottom of the first assembly groove 111, the flexible sealing strip 104 has a first positioning post 113 matched with the first positioning hole 112, and the first positioning post 113 is inserted into the first positioning hole 112, so that after the first positioning post 113 is inserted into the first positioning hole 112, accuracy of the installation position of the flexible sealing strip 104 on the sealing skeleton 101 is ensured, and installation accuracy is ensured. Illustratively, the groove bottom of the first assembly groove 111 is provided with a plurality of first positioning holes 112, and the number of the first positioning holes 112 may be specifically determined according to the length of the flexible sealing strip 104; the diameter of the first positioning column 113 can be slightly larger than that of the first positioning hole 112, so that the first positioning column 113 is in interference fit with the first positioning hole 112, and the connection stability between the flexible sealing strip 104 and the sealing framework 101 is improved; in addition, the radial cross section of the first positioning post 113 may be circular, and the radial cross section of the first positioning hole 112 may be circular.
It should be noted that, the free end of the first positioning post 113 may have a truncated cone shape or a cone shape, which facilitates the insertion of the first positioning post 113 into the first positioning hole 112.
In some embodiments, the sealing skeleton 101 has opposite first and second sides 114, 115, the first side 114 being configured to face the speaker such that a seal is achieved between the first side 114 and the speaker by the flexible sealing strip 104; the second side 115 is for facing the housing of the electronic device; the second side 115 comprises a first sub-surface 116 and a second sub-surface 117, the first sub-surface 116 being connected to the second sub-surface 117, which facilitates ensuring sealing between the speaker and the housing of the electronic device by means of the sealing skeleton 101. In one embodiment, the first sound outlet through hole 103 penetrates the first sub-surface 116 and the second sub-surface 117; the first fitting groove 111 is opened on the first side 114.
Referring to fig. 5, in one embodiment, the second side 115 further includes a transition surface 118, and the first sub-surface 116 and the second sub-surface 117 are connected by the transition surface 118, so that the installation of speakers at different positions in the electronic device can be adapted, and the transition surface 118 may be a cambered surface. The first side 114 may have a curved surface so that different speakers may be accommodated. In addition, the sealing skeleton 101 and the casing of the electronic device can be attached to each other through a curved surface, and only the first long side 105 is arranged on the upper side of the first sound outlet hole 103, so that sealing between the speaker and the sealing skeleton 101 is achieved, the height of the sound outlet 310 is improved, and thinning of the electronic device is facilitated.
In another embodiment, shown in fig. 12, the junction of the first sub-face 116 and the second sub-face 117 has an edge 119, which allows for adaptation of the mounting of speakers at different locations in the electronic device; the first side 114 is substantially planar, so that the sealing skeleton 101 is attached to the housing of the electronic device by a planar surface, and the second long edge 108 is disposed on the upper side of the first sound outlet hole, so as to seal between the speaker and the sealing skeleton 101, so that the lower side of the first sound outlet hole is not provided with a sealing strip, but is sealed by using the edge sealing member 102, which is beneficial to increasing the sound outlet area.
Referring to fig. 2 and 9, in some embodiments, the sealing skeleton 101 is attached to the upper surface of one of the sub-sealing strips 123; the flexible sealing strip 104 has a joint 120, and the joint 120 is jointed to the edge sealing member 102. Thus, the sealing framework 101 is positioned on the upper surface of the sub-sealing strip 123, and when the sealing framework 101 is assembled, the sub-sealing strip 123 can be compressed by the sealing framework 101, so that the tightness between the sealing framework 101 and the shell of the electronic equipment is ensured; in addition, the lap joint portion 120 is lapped on the sealing member, so that the soft sealing strip 104 is contacted with the edge sealing member 102, and after the speaker is installed, the sealing performance of the connection position of the speaker and the shell of the electronic device and the sealing framework 101 can be ensured.
In one embodiment, the second sub-surface 117 is attached to the upper surface of one of the sub-sealing strips 123, so that after installation, the second sub-surface 117 can compress the sub-sealing strips 123, thereby facilitating improved sealing between the second sub-surface 117 of the sealing skeleton 101 and the housing of the electronic device.
In some embodiments, referring to fig. 5 and 12, the second sub-surface 117 may have a stepped structure 121, the stepped structure 121 is formed by two surfaces having a height difference, and one of the sub-sealing strips 123 is in contact with one of the surfaces of the stepped structure 121, which is advantageous for improving sealing performance due to the stepped structure 121.
In some embodiments, the lap joint 120 is located at the connection position of two adjacent sub-sealing strips 123, and the lap joint 120 is located on the upper surface of the sub-sealing strip 123, so that after the speaker is installed, the speaker compresses the lap joint 120 and the sub-sealing strip 123, thereby ensuring the tightness around the sound outlet 310 of the speaker; the bridging portion 120 may have a block-like structure with a flat surface 122 adapted to the speaker, which is advantageous for improving sealing performance. Referring to fig. 7, in one embodiment, the end of the first short side portion 106 is connected with a lap portion 120. Referring to fig. 14, in another embodiment, the third short side portion 110 is connected with a lap portion 120.
In some embodiments, the sealing skeleton 101 is made of a hard material, so that the dust screen 206 can be supported, and the dust screen 206 is convenient to install. The hard material can be metal or plastic, and the metal can be aluminum alloy or stainless steel; the plastic may be polycarbonate plastic, polyvinyl chloride plastic or acrylonitrile-butadiene-styrene copolymer plastic.
In some embodiments, the edge seal 102 is made of foam, which is advantageous for weight reduction and for good sealing. The foam can be mounted on the shell of the electronic equipment through the back adhesive, so that the mounting stability of the foam can be ensured.
Referring to fig. 16 and 18, in one or more embodiments, the present application further provides a housing assembly, which includes a housing and a speaker seal structure in any of the embodiments, the housing including a substrate 201 and a bezel 202, the bezel 202 disposed around the substrate 201; the sealing skeleton 101 is installed in the junction of frame 202 and base plate 201, and edge seal 102 is fixed in on the base plate 201, in this way, after utilizing speaker seal structure to install on the casing, do benefit to the function of guaranteeing the speaker normal. The first sub-surface 116 is opposite to the frame 202, and the second sub-surface 117 is opposite to the substrate 201.
For example, when the electronic device is a mobile phone, the housing may be a middle frame of the mobile phone; the frame 202 is provided with a second sound outlet through hole, and the first sound outlet through hole 103 of the sealing framework 101 is communicated with the second sound outlet through hole, so that the sound emitted by the loudspeaker is emitted; the number of the second sound outlet through holes can be multiple, and the second sound outlet through holes can be round through holes; referring to fig. 20, the middle frame has a top 203 and a bottom 204 opposite to each other in the length direction, the top 203 of the middle frame is generally the position of the camera of the mobile phone, and the bottom 204 of the middle frame is generally the position of the charging port of the mobile phone; a second sound outlet through hole is formed in the top 203 of the middle frame, and/or a second sound outlet through hole is formed in the bottom 204 of the middle frame; since the second sound outlet through hole may be provided at the top 203 or the bottom 204 of the center frame, a speaker may be installed at the position of the top 203 or the bottom 204 of the center frame. As shown in connection with fig. 18 and 19, a corresponding speaker seal structure may be provided at the top 203 of the center frame; as shown in connection with fig. 16 and 17, a corresponding speaker seal may also be provided at the bottom 204 of the center frame.
In some embodiments, the substrate 201 has a preset through hole 205, and the edge sealing member 102 is fixed on the edge of the preset through hole 205, so that the preset through hole 205 is formed on the substrate 201, so that a larger space can be formed by the front cavity 309 of the speaker and the preset through hole 205 together, that is, the front cavity 309 of the speaker and the preset through hole 205 together form a vibration space of the speaker, which has the effect of expanding the sound of the speaker. In one embodiment, the edge seal 102 may be bonded to the substrate 201 by a backing adhesive, which may help to ensure stability of the connection and tightness during use. The edge profile of the preset through hole 205 is matched with the edge profile of the front cavity 309 of the loudspeaker, i.e. the aperture area of the preset through hole 205 is the same as or substantially the same as the cavity opening area of the front cavity 309 of the loudspeaker, which is beneficial to ensuring the sound quality of the loudspeaker. It should be noted that, the aperture area of the preset through hole 205 may be larger than the cavity aperture area of the front cavity 309 of the speaker, so as to facilitate increasing the vibration space of the speaker; the size of the aperture area of the preset through hole 205 may of course be adjusted according to other situations.
Referring to fig. 3 and 10, in some embodiments, the housing assembly further includes a dust screen 206, where the dust screen 206 is connected to the sealing frame 101, and because the dust screen 206 is thinner or softer, the dust screen 206 can be installed by first installing the dust screen on the sealing frame 101 and then installing the sealing frame 101 on the housing, so that the installation of the dust screen 206 is achieved, and the dust screen 206 can reduce foreign objects from entering the front cavity 309 of the speaker, thereby ensuring the sound quality of the speaker. In one embodiment, one surface of the dust screen 206 is adhered to the second side 115 of the sealing skeleton 101 by a back adhesive, and the other surface of the dust screen 206 opposite to the dust screen is adhered to the housing of the electronic device, for example, the middle frame of the mobile phone by a back adhesive; in the specific assembly, after the dustproof net 206 and the sealing skeleton 101 are adhered by the back adhesive, the back adhesive is adhered to the opposite side of the dustproof net 206, and finally, after the sealing skeleton 101 is installed at the corresponding position of the casing of the electronic device, the back adhesive on the opposite side of the dustproof net 206 is adhered to the casing of the electronic device.
Referring to fig. 3 and 5, in one embodiment, in the case that the first sub-surface 116 and the second sub-surface 117 are connected by the transition curved surface 118, the first sub-surface 116, the second sub-surface 117 and the transition curved surface 118 are covered with a back adhesive bonded with the dust screen 206, so that the installation stability of the sealing skeleton 101 is improved conveniently; in addition, the dustproof net 206 is supported by the sealing framework 101 to realize the arc surface matching of the dustproof net 206 and the middle frame, the sealing width is ensured at the two ends of the sound outlet 310, the width of the sound outlet 310 is enlarged, the audio performance is improved, and meanwhile, the whole dustproof and waterproof functions of the mobile phone are realized.
In another embodiment, as shown in fig. 10 and 12, in the case that the junction between the first sub-surface 116 and the second sub-surface 117 has the edge 119, only the first sub-surface 116 is covered with the back adhesive that adheres to the dust-proof net 206, so that the dust-proof net 206 is connected to the first sub-surface 116 in a planar manner. Thus, the sealing framework 101 serves as a supporting structure, the assembly of the dust screen 206 is facilitated through the plane fitting mode, and the sealing between the sealing framework 101 and the middle frame is ensured more effectively.
As shown in connection with fig. 20 and 21, in one or more embodiments, the present application also provides an electronic device comprising a speaker and a housing assembly of any of the embodiments; the loudspeaker comprises a box 301 and an inner core 302, wherein the box 301 is provided with an open cavity, the inner core 302 is arranged in the cavity, and a vibrating diaphragm of the inner core 302 faces to the open side of the cavity;
the soft sealing strip 104 is clamped between the box 301 and the sealing framework 101, and the edge sealing piece 102 is clamped between the box 301 and the substrate 201, so that after the loudspeaker sealing structure is installed on the shell, normal functions of the loudspeaker are guaranteed.
In some embodiments, the electronic device may be an electronic device such as a mobile phone, a tablet computer, a notebook computer or a desktop computer, and the specific form of the electronic device is not particularly limited in the embodiments of the present application; for convenience of explanation and understanding, the electronic device is taken as an example of a mobile phone; referring to fig. 20, the electronic device is a mobile phone, the mobile phone is a straight-plate mobile phone, the electronic device further includes a display screen 303, a speaker sealing structure and a speaker are located on one side of the substrate 201, the display screen 303 is located on the other side opposite to the substrate 201, the display screen 303 and the substrate 201 can be bonded by a back adhesive, and since the display screen 303 and the substrate 201 are bonded by the back adhesive, one side of the preset through hole 205 is a speaker, and the other side opposite to the preset through hole 205 is the display screen 303, so that the front cavity 309 of the speaker and the preset through hole 205 together form a vibration space of the speaker as a relatively sealed space, thereby being beneficial to guaranteeing the sound quality of the speaker. It should be noted that in some other embodiments, the mobile phone may also be a folding mobile phone or other mobile phone.
Referring to fig. 21, in some embodiments, a support table is provided on an inner wall of the cavity of the case 301 for supporting the core 302, so as to facilitate installation of the core 302. In addition, the case 301 includes a first cover 306 and a second cover 307, the first cover 306 and the second cover are in a split structure, the first cover 306 is fixedly connected with the second cover 307, a cavity is formed between the first cover 306 and the second cover 307, the second cover 307 has a first opening 308, so that the cavity forms an open cavity through the first opening 308, after the inner core 302 is installed, the front cavity 309 is made to be an open front cavity 309, and a cavity of the inner core 302 facing the direction of the first opening 308 is made to be a front cavity 309; front cavity 309 communicates with speaker outlet 310, speaker outlet 310 being part of first opening 308, which facilitates increasing the area of outlet 310; thus, through designing the box 301 of the loudspeaker, the front cavity 309 of the loudspeaker is opened, thereby being beneficial to thinning the thickness of the loudspeaker, and combining with the loudspeaker sealing structure, the front cavity 309 of the loudspeaker is combined with the components on the middle frame, the sealing of the loudspeaker is realized, the sound outlet 310 and the front cavity 309 are respectively and effectively sealed with the middle frame, thereby solving the sound outlet problem of the loudspeaker under the condition of thinner mobile phone thickness, and enabling the mobile phone thickness to be thinned by 0.4mm.
In the description of the present application, a particular feature, structure, material, or characteristic may be combined in any one or more embodiments or examples in a suitable manner.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (14)
1. A speaker seal structure, comprising: a seal skeleton and an edge seal;
the sealing framework is provided with a first sound outlet through hole, a soft sealing strip is arranged around the first sound outlet through hole, and the first sound outlet through hole is used for being correspondingly communicated with a sound outlet of the loudspeaker;
the edge seal is for placement at an edge of a front cavity of the speaker.
2. The loudspeaker seal of claim 1 wherein said edge seal comprises a plurality of sub-seals, said sub-seals being connected end-to-end in sequence to define a closed pattern.
3. The speaker seal structure according to claim 1 or 2, wherein a first fitting groove is provided in the seal frame, and a part of the flexible sealing strip is disposed in the first fitting groove.
4. The speaker seal structure according to claim 3, wherein at least one first positioning hole is provided at a bottom of the first fitting groove, the flexible sealing strip has a first positioning post fitted with the first positioning hole, and the first positioning post is inserted into the first positioning hole.
5. The speaker seal structure as recited in claim 3 wherein the seal skeleton has opposed first and second sides, the first side for facing the speaker and the second side for facing a housing of an electronic device;
the second side surface comprises a first sub-surface and a second sub-surface, and the first sub-surface is connected with the second sub-surface.
6. The speaker seal as defined in claim 5 wherein the junction of the first and second sub-faces has an edge;
or, the second side surface further comprises a transition curved surface, and the first sub-surface and the second sub-surface are connected through the transition curved surface.
7. The speaker seal structure as defined in claim 2, wherein said seal skeleton is attached to an upper surface of one of said sub-seal strips; the flexible sealing strip is provided with a lap joint part, and the lap joint part is lapped on the edge sealing piece.
8. A loudspeaker seal according to claim 1 or claim 2, wherein the seal skeleton is a hard material.
9. The speaker seal structure according to claim 1 or 2, wherein the flexible sealing strip is made of rubber or silica gel.
10. A loudspeaker seal according to claim 1 or claim 2, wherein the edge seal is made of foam.
11. A housing assembly comprising a housing and the speaker seal arrangement of any one of claims 1-10, the housing comprising a base plate and a rim disposed about the base plate; the sealing framework is arranged at the joint of the frame and the substrate, and the edge sealing piece is fixed on the substrate.
12. The housing assembly of claim 11, wherein the base plate has a predetermined through hole, and the edge seal is secured to an edge of the predetermined through hole.
13. The housing assembly of claim 11, further comprising a dust screen coupled to the seal skeleton.
14. An electronic device comprising a speaker and a housing assembly as claimed in any one of claims 11 to 13;
the loudspeaker comprises a box body and an inner core, wherein the box body is provided with an open cavity, the inner core is arranged in the cavity, and a vibrating diaphragm of the inner core faces to the open side of the cavity;
the soft sealing strip is clamped between the box body and the sealing framework, and the edge sealing piece is clamped between the box body and the substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310575315.8A CN117714948A (en) | 2023-05-19 | 2023-05-19 | Speaker seal structure, housing assembly and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310575315.8A CN117714948A (en) | 2023-05-19 | 2023-05-19 | Speaker seal structure, housing assembly and electronic equipment |
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| Publication Number | Publication Date |
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| CN117714948A true CN117714948A (en) | 2024-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310575315.8A Pending CN117714948A (en) | 2023-05-19 | 2023-05-19 | Speaker seal structure, housing assembly and electronic equipment |
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| Country | Link |
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