CN114500694A - Middle frame structure and terminal equipment - Google Patents

Middle frame structure and terminal equipment Download PDF

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Publication number
CN114500694A
CN114500694A CN202011161988.1A CN202011161988A CN114500694A CN 114500694 A CN114500694 A CN 114500694A CN 202011161988 A CN202011161988 A CN 202011161988A CN 114500694 A CN114500694 A CN 114500694A
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CN
China
Prior art keywords
middle frame
frame structure
mounting
opening
accommodating space
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011161988.1A
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Chinese (zh)
Inventor
宋子平
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Beijing Xiaomi Mobile Software Co Ltd
Original Assignee
Beijing Xiaomi Mobile Software Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Priority to CN202011161988.1A priority Critical patent/CN114500694A/en
Publication of CN114500694A publication Critical patent/CN114500694A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026Details of the structure or mounting of specific components
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0249Details of the mechanical connection between the housing parts or relating to the method of assembly

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)

Abstract

The disclosure relates to a middle frame structure, wherein a sound outlet component is arranged on the middle frame structure, and the middle frame structure comprises a middle frame body and an installation part; the middle frame body is provided with an accommodating space, the accommodating space is provided with a first opening, and the mounting part is detachably mounted at the first opening; when the sound output component is a single loudspeaker, the single loudspeaker is arranged at the first opening; when the sound output component is a single receiver, the single receiver is arranged at the first opening through the installation part. The universal middle frame structure is designed to be suitable for the sound output assemblies with different sizes, the generalization of the middle frame structure is realized, the development period of the middle frame structure is effectively shortened, and the production cost is reduced.

Description

Middle frame structure and terminal equipment
Technical Field
The disclosure relates to the technical field of terminals, in particular to a middle frame structure and terminal equipment.
Background
With the continuous development of science and technology, terminal devices such as mobile phones and the like have become indispensable electronic products. The user carries out operations such as communication, paying daily consumption or watching videos through terminal equipment such as a mobile phone, and therefore the terminal equipment such as the mobile phone belongs to consumables. When the terminal equipment such as the mobile phone cannot meet the use requirements of the user, the user can replace the new terminal equipment such as the mobile phone.
In order to meet the purchase demand of users, various manufacturers hope to shorten the development period, ensure that terminal equipment such as mobile phones can be on the market as soon as possible, and realize the benefit of products.
The middle frame structure is an important part in terminal equipment such as a mobile phone, and the middle frame structure carries most parts of devices of the mobile phone. The frame structure of the terminal equipment such as mobile phones of different models cannot be universal, so that the production cycle of the terminal equipment such as mobile phones is prolonged, and the rapid marketing of the terminal equipment such as mobile phones is influenced.
Disclosure of Invention
In order to overcome the problems in the related art, the present disclosure provides a middle frame structure and a terminal device.
According to a first aspect of the embodiments of the present disclosure, there is provided a middle frame structure, in which a sound emitting component is mounted, the middle frame structure including a middle frame body and a mounting portion;
the middle frame body is provided with an accommodating space, the accommodating space is provided with a first opening, and the mounting part is detachably mounted at the first opening;
when the sound output component is a single loudspeaker, the single loudspeaker is arranged at the first opening;
when the sound outlet assembly is a single receiver, the single receiver is arranged at the first opening through the installation part.
Optionally, the mounting portion includes a mounting body forming a mounting area, and the earpiece unit is mounted in the mounting area.
Optionally, the installation body is provided with a second opening, and the single earpiece is installed in the installation area through the second opening;
wherein the size of the second opening is smaller than the size of the first opening.
Optionally, the middle frame structure further comprises a first adhesive portion;
when the earphone single body is installed, the earphone single body is adhesively connected with the inner side wall forming the installation area through the first bonding part.
Optionally, the mounting portion further includes a first elastic limiting portion disposed on an inner side wall forming the mounting region;
the earphone single body is in an installation state, and the circumferential outer side wall of the earphone single body is connected with the first elastic limiting part in an abutting mode.
Optionally, the mounting portion further includes a second elastic limiting portion disposed on an outer side wall of the mounting body;
the mounting body is in a mounting state, and the second elastic limiting part is connected with the inner side wall of the accommodating space in an abutting mode.
Optionally, the middle frame structure further comprises a first sealing layer disposed in the mounting region; and/or the presence of a gas in the gas,
the middle frame structure further comprises a second sealing layer, and the second sealing layer is arranged in the accommodating space.
Optionally, the first sealing layer is foam cotton, and the second sealing layer is foam cotton.
Optionally, the middle frame structure further comprises a second bonding part,
when the loudspeaker single body is installed, the loudspeaker single body is connected with the inner side wall of the accommodating space in an adhering mode through the second adhering portion.
According to a second aspect of the embodiments of the present disclosure, there is provided a terminal device, the terminal device including an audio output component, and the middle frame structure as described above;
the sound emitting component is mounted on the middle frame structure.
Optionally, the sound output component is a speaker unit or an earphone unit.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: the universal middle frame structure is designed to be suitable for the sound output assemblies with different sizes, the generalization of the middle frame structure is realized, the development period of the middle frame structure is effectively shortened, and the production cost is reduced.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a diagram illustrating a mid-frame structure in accordance with an exemplary embodiment.
Fig. 2 is an exploded view of a middle frame structure shown in accordance with an exemplary embodiment.
Fig. 3 is an exploded view of a middle frame structure shown in accordance with an exemplary embodiment.
Fig. 4 is an exploded view of a middle frame structure shown in accordance with an exemplary embodiment.
FIG. 5 is a diagram illustrating a mid-frame structure in accordance with an exemplary embodiment.
Fig. 6 is an exploded view of a middle frame structure shown in accordance with an exemplary embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
In the related art, the middle frame structure cannot be used universally due to different sizes of internal devices among different models of terminal equipment such as mobile phones. And between different models, the matched middle frame structure is customized according to the internal devices, so that the assembly effect between the devices and the middle frame structure is realized.
The internal devices are, for example, sound emitting components, and the sizes of different sound emitting components are different. For normal installation of the sound outlet assembly, the accommodating space for installing the sound outlet assembly on the middle frame structure is generally designed to be a single size according to the size of the sound outlet assembly, so that the sound outlet assembly and the middle frame structure can be installed in a matching manner. However, the middle frame structure designed into a single size for the sound output component can cause that the middle frame structure cannot be commonly used in terminal devices of different models, thereby increasing the production cost of the terminal device, prolonging the development period of the terminal device, being not beneficial to realizing rapid production of the terminal device and timely putting the terminal device into the market.
And because of the requirement of the sound output area of the sound output assembly, the small-sized sound output assembly cannot be forcibly installed in the accommodating space with a large space. If the small-sized sound emitting component is directly replaced by the large-sized sound emitting component, the small-sized sound emitting component is installed on the middle frame structure. The sound components of different sizes have different sound output areas, and the audio effect of the sound components can be influenced in the unmatched accommodating space during installation, so that the use experience of a user is reduced.
The utility model provides a center structure, center structure installs in terminal equipment, goes out sound subassembly and installs in center structure to realize terminal equipment's audio frequency function. The sound emitting component is a single loudspeaker and a single earphone. Wherein, the center structure includes center body and installation department, and the center body is formed with the accommodation space, and first opening has been seted up to the accommodation space, and installation department detachably installs in first opening part, and the play sound subassembly of not unidimensional through the installation department is structural in the center, has further realized the general effect of center structure, has shortened terminal equipment's production cycle, the cost is reduced. When the sound output component is a single loudspeaker, the single loudspeaker can be directly arranged at the first opening to realize the audio function of the terminal equipment. When the sound output component is a single receiver, the single receiver is arranged at the first opening through the installation part. Different sound components can share the middle frame structure, thereby reducing the manufacturing difficulty and saving the production cost.
In an exemplary embodiment, as shown in fig. 1-6, a mid-frame structure 1, mounted in a terminal device, is used to load devices inside the terminal device. The sound output component 2 in the terminal equipment is installed on the middle frame structure 1 to realize the audio function of the terminal equipment, such as communication function, video and audio playing and the like.
In this embodiment, as still referring to fig. 1 to fig. 6, the middle frame structure 1 includes a middle frame body 11 and a mounting portion 12, the middle frame body 11 is formed with an accommodating space 111, the accommodating space 111 is opened with a first opening 112, and the mounting portion 12 is detachably mounted at the first opening 112. Through setting up installation department 12 in accommodation space 111, can install the play sound subassembly 2 of unidimensional in center structure 1, need not to design different center structure 1 to the play sound subassembly 2 size of difference, reduced terminal equipment's manufacturing cost, shortened terminal equipment's development cycle.
In one example, referring to fig. 5 and 6, when the sound emitting component 2 is a speaker unit 21, the speaker unit 21 may be directly installed at the first opening 112. The speaker unit 21 may be, for example, a horn of 10mmx12mm, and the speaker unit 21 may be directly adhered to the inner sidewall of the accommodating space 111.
For example, the middle frame structure 1 includes the second adhesive portion 13, and the second adhesive portion 13 may be, for example, a double-sided adhesive. When the speaker unit 21 is mounted, the circumferential outer side wall of the speaker unit 21 is adhesively connected to the inner side wall of the accommodating space 111 by the second adhesive portion 13.
Of course, the speaker unit may be mounted in the accommodating space by other methods besides the adhesive connection. The loudspeaker unit can be clamped in the accommodating space, so that the loudspeaker unit is convenient to disassemble and avoids damaging the middle frame structure in the later maintenance process. And the loudspeaker monomer sets up in the center structure, has realized the stereo speaker mode effect of play sound subassembly, has promoted terminal equipment's audio effect.
In another example, referring to fig. 1-4, when the sound emitting component 2 is an earpiece single body 22, the earpiece single body 22 is mounted at the first opening 112 through the mounting portion 12. The earpiece unit 22 is, for example, a horn of 8mmx9mm, and a single-sized accommodation space 111 is provided on the middle frame structure 1, and the earpiece unit 22 is fitted with the mounting portion 12 to be mounted on the middle frame structure 1. The sound emitting components 2 with different sizes can share the middle frame structure 1, the universality of the middle frame structure 1 is realized, and the development cost is saved. The earphone single body 22 can be designed in a terminal device with low requirement on audio effect, so that the production cost of the terminal device is reduced.
In an exemplary embodiment, as shown in fig. 1 to 6, the mounting part 12 includes a mounting body 121, and the mounting body 121 is detachably mounted to the accommodating space 111 through the first opening 112.
In one example, referring to fig. 2, an outer sidewall of the mounting body 121 may be adhesively connected with an inner sidewall of the accommodating space 111 to improve the reliability of the connection of the mounting body 121 with the accommodating space 111.
In another example, referring to fig. 3 and 4, the mounting portion 12 further includes a second elastic limiting portion 123 disposed on an outer side wall of the mounting body 121, and the second elastic limiting portion 123 may be made of, for example, thermoplastic resin. In the mounted state of the mounting body 121, the inner sidewall of the accommodating space 111 is connected to the second elastic limiting portion 123 in an abutting manner.
When the mounting body 121 is mounted in the accommodating space 111, the second elastic limiting portion 123 disposed on the mounting body 121 abuts against the inner sidewall of the accommodating space 111. The second elastic limiting portion 123 provides a pushing force to move the mounting body 121 in a direction away from the second elastic limiting portion 123, and a circumferential outer side wall of the mounting body 121 is connected to an inner side wall of the mounting region 1211 in an abutting manner to limit the movement of the mounting body 121, so that the mounting body 121 can be stably mounted in the accommodating space 111.
The mounting body 121 further forms a mounting area 1211, and the earpiece unit 22 is mounted in the mounting area 1211. The mounting region 1211 may be, for example, recessed in a mounting space of the mounting body 121, and the earpiece unit 22 is directly mounted in the mounting space.
In the present embodiment, as shown in fig. 2-4, the mounting body 121 is formed with a second opening 1212, the second opening 1212 is communicated with the mounting region 1211, and the earpiece unit 22 is mounted in the mounting region 1211 through the second opening 1212. The size of the second opening 1212 is smaller than that of the first opening 112, so that the installation body 121 can be smoothly installed in the accommodating space 111 and the earpiece unit 22 can be assembled.
In one example, referring to fig. 2, the middle frame structure 1 further includes a first adhesive portion 14, and the first adhesive portion 14 may be, for example, a double-sided adhesive or the like. When the earpiece single body 22 is installed, the earpiece single body 22 is adhesively connected with the inner side wall forming the installation area 1211 through the first adhesive part 14, so that the reliability of connection between the earpiece single body 22 and the middle frame structure 1 is ensured.
In another example, referring to fig. 3 and 4, the mounting portion 12 further includes a first elastic limiting portion 122 disposed on an inner side wall of the mounting region 1211, and the first elastic limiting portion 122 may be made of, for example, a thermoplastic resin. When the earpiece unit 22 is installed, the circumferential outer sidewall of the earpiece unit 22 is connected to the first elastic limiting portion 122 in an abutting manner.
The first elastic limiting portion 122 and the second elastic limiting portion 123 may be independent of each other (see fig. 3), and the first elastic limiting portion 122 and the second elastic limiting portion 123 may also be integrated (see fig. 4), and the specific implementation manner is based on practical design. As long as the first elastic limiting portion 122 can limit the movement of the earpiece unit 22, and the second elastic limiting portion 123 can limit the movement of the mounting body 121.
When the earpiece unit 22 is mounted to the mounting region 1211, the first elastic limiting portion 122 abuts against the circumferential outer side wall of the earpiece unit 22. The first elastic limiting portion 122 provides a pushing force to press the earpiece unit 22 in a direction away from the first elastic limiting portion 122, and a circumferential outer sidewall of the earpiece unit 22 abuts against an inner sidewall of the mounting region 1211 to limit movement of the earpiece unit 22, so as to ensure that the earpiece unit 22 can be stably mounted in the mounting region 1211.
Of course, can understand that the spacing portion of first elasticity can be provided with a plurality ofly, and the setting of the free circumference lateral wall of earphone is followed to the spacing portion of a plurality of first elasticity for the free circumference lateral wall of earphone is connected with the spacing portion butt of all first elasticity, further restricts the free motion of earphone, promotes the free installation effect of earphone, avoids the earphone monomer to break away from the installation region, guarantees the free normal use of earphone, promotes user's use and experiences and feels.
In an exemplary embodiment, as shown in fig. 1-4, the middle frame structure 1 further comprises a first sealing layer 15, the first sealing layer 15 being, for example, foam cotton. The first sealing layer 15 is disposed on the inner bottom wall forming the mounting region 1211, and the first sealing layer 15 is in contact with the sound emitting element 2 to seal a gap between the sound emitting element 2 and the inner bottom wall of the mounting body 121, thereby improving the sealing performance of the mounting region 1211 and ensuring the sound conduction performance of the sound emitting element 2. Avoid out sound subassembly 2 at the during operation, the phenomenon such as audio frequency is unclear appears, and first sealing layer 15 can guarantee out sound subassembly 2's normal work, promotes user's use and experiences and feel.
In the present embodiment, referring to fig. 1 to 6, the middle frame structure 1 further includes a second sealing layer 16, and the second sealing layer 16 is, for example, foam cotton. The second sealing layer 16 is disposed on the inner bottom wall of the accommodating space 111 for improving the sealing performance of the accommodating space 111 and ensuring the normal operation of the sound emitting assembly 2.
Referring to fig. 5 and 6, when the sound emitting component 2 is a single speaker unit 21, the single speaker unit 21 is in contact connection with the second sealing layer 16 to seal a gap between the single speaker unit 21 and the inner bottom wall of the accommodating space 111, so as to ensure the sealing performance of the accommodating space 111 and improve the conduction performance of the single speaker unit 21 after outputting audio.
Referring to fig. 2-4, when the sound emitting component 2 is the earpiece unit 22, the mounting body 121 is in contact with the second sealing layer 16 to seal a gap between the mounting body 121 and the inner bottom wall of the accommodating space 111, so as to ensure the sealing performance of the accommodating space 111 and improve the conduction performance of the earpiece unit 22 after outputting audio.
Of course, it is understood that the above-mentioned arrangement positions of the first sealing layer and the second sealing layer are only used for explaining the present embodiment, and do not limit the present application. The first sealing layer may also be disposed along a circumferential outer sidewall of the earpiece single body to close a gap between the earpiece single body and the mounting region. The second sealing layer can also be arranged along the circumferential outer side wall of the mounting body or the loudspeaker monomer so as to improve the sealing performance of the accommodating space and avoid the mutual interference of the front cavity and the rear cavity of the terminal equipment due to the mutual communication.
The disclosure also provides a terminal device, which may be a mobile phone, a tablet computer, etc. The terminal equipment comprises a sound output assembly and the middle frame structure. The sound output component is arranged on the middle frame structure to realize the audio function of the terminal equipment. The sound output component can be a single receiver, so that the audio function of the terminal device is realized, and a user can conveniently communicate through the terminal device. The sound output component can be a loudspeaker monomer, the loudspeaker monomer can have a communication function, the effect of a stereo loudspeaker mode can be achieved, the audio output effect of the terminal device is further improved, and the use requirements of users are met.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims (11)

1. A middle frame structure is characterized in that a sound outlet component is mounted on the middle frame structure, and the middle frame structure comprises a middle frame body and a mounting part;
the middle frame body is provided with an accommodating space, the accommodating space is provided with a first opening, and the mounting part is detachably mounted at the first opening;
when the sound output component is a single loudspeaker, the single loudspeaker is arranged at the first opening;
when the sound outlet assembly is a single receiver, the single receiver is arranged at the first opening through the installation part.
2. The middle frame structure according to claim 1, wherein the mounting portion includes a mounting body forming a mounting area to which the earpiece unit is mounted.
3. The middle frame structure according to claim 2, wherein the mounting body defines a second opening, and the single earpiece is mounted in the mounting area through the second opening;
wherein the size of the second opening is smaller than the size of the first opening.
4. The middle frame structure according to claim 2, further comprising a first adhesive;
when the earphone single body is installed, the earphone single body is adhesively connected with the inner side wall forming the installation area through the first bonding part.
5. The middle frame structure according to claim 2, wherein the mounting portion further includes a first elastic stopper portion provided to an inner side wall forming the mounting area;
the earphone single body is in an installation state, and the circumferential outer side wall of the earphone single body is connected with the first elastic limiting part in an abutting mode.
6. The middle frame structure according to claim 2, wherein the mounting portion further includes a second elastic stopper portion provided to an outer side wall of the mounting body;
the mounting body is in a mounting state, and the second elastic limiting part is connected with the inner side wall of the accommodating space in an abutting mode.
7. The middle frame structure according to claim 2, further comprising a first sealing layer disposed within the mounting region; and/or the presence of a gas in the gas,
the middle frame structure further comprises a second sealing layer, and the second sealing layer is arranged in the accommodating space.
8. The middle frame structure according to claim 7, wherein the first sealing layer is foam wool and the second sealing layer is foam wool.
9. The middle frame structure according to claim 1, further comprising a second adhesive portion,
when the loudspeaker single body is installed, the loudspeaker single body is connected with the inner side wall of the accommodating space in an adhering mode through the second adhering portion.
10. A terminal device, characterized in that the terminal device comprises an audio output component and a middle frame structure according to any one of claims 1 to 9;
the sound emitting component is mounted on the middle frame structure.
11. The terminal device of claim 10, wherein the sound emitting component is a single speaker or a single earphone.
CN202011161988.1A 2020-10-27 2020-10-27 Middle frame structure and terminal equipment Pending CN114500694A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011161988.1A CN114500694A (en) 2020-10-27 2020-10-27 Middle frame structure and terminal equipment

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Application Number Priority Date Filing Date Title
CN202011161988.1A CN114500694A (en) 2020-10-27 2020-10-27 Middle frame structure and terminal equipment

Publications (1)

Publication Number Publication Date
CN114500694A true CN114500694A (en) 2022-05-13

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CN202011161988.1A Pending CN114500694A (en) 2020-10-27 2020-10-27 Middle frame structure and terminal equipment

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050263342A1 (en) * 2004-05-26 2005-12-01 Meiloon Industrial Co., Ltd. Speaker fixture assembly
US20120300968A1 (en) * 2011-05-23 2012-11-29 Tsai-Yun Sun Sound box structure for electronic apparatus
CN105898004A (en) * 2014-10-17 2016-08-24 黄晓然 Setting method for handheld computer
US20180213330A1 (en) * 2015-07-14 2018-07-26 Shandong Gettop Acoustic Co., Ltd. Electronic device and loudspeaker thereof
CN209562796U (en) * 2019-05-17 2019-10-29 Oppo广东移动通信有限公司 Called device assembly and electronic equipment
CN110557704A (en) * 2018-06-04 2019-12-10 Oppo广东移动通信有限公司 Telephone receiver, telephone receiver assembly and electronic equipment
CN210247039U (en) * 2019-08-22 2020-04-03 深圳市万普拉斯科技有限公司 Side sound output loudspeaker support, middle frame structure and mobile terminal
CN213213525U (en) * 2020-10-27 2021-05-14 北京小米移动软件有限公司 Middle frame structure and terminal equipment

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050263342A1 (en) * 2004-05-26 2005-12-01 Meiloon Industrial Co., Ltd. Speaker fixture assembly
US20120300968A1 (en) * 2011-05-23 2012-11-29 Tsai-Yun Sun Sound box structure for electronic apparatus
CN105898004A (en) * 2014-10-17 2016-08-24 黄晓然 Setting method for handheld computer
US20180213330A1 (en) * 2015-07-14 2018-07-26 Shandong Gettop Acoustic Co., Ltd. Electronic device and loudspeaker thereof
CN110557704A (en) * 2018-06-04 2019-12-10 Oppo广东移动通信有限公司 Telephone receiver, telephone receiver assembly and electronic equipment
CN209562796U (en) * 2019-05-17 2019-10-29 Oppo广东移动通信有限公司 Called device assembly and electronic equipment
CN210247039U (en) * 2019-08-22 2020-04-03 深圳市万普拉斯科技有限公司 Side sound output loudspeaker support, middle frame structure and mobile terminal
CN213213525U (en) * 2020-10-27 2021-05-14 北京小米移动软件有限公司 Middle frame structure and terminal equipment

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