CN109547602A

CN109547602A - A kind of earpiece audio cavity structure

Info

Publication number: CN109547602A
Application number: CN201811629766.0A
Authority: CN
Inventors: 焦正亮
Original assignee: Chongqing Blue Bank Communication Technology Co Ltd
Current assignee: Chongqing Blue Bank Communication Technology Co Ltd
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2019-03-29

Abstract

The invention discloses a kind of earpiece audio cavity structures; including main body; it further include assembling mechanism and protection mechanism; the main body includes rear shell, and the assembling mechanism includes TP plate and earpiece, described one end positioned at front housing; sound chamber before the side of the TP plate offers; the side of the preceding sound chamber is connected with pcb board, and the earpiece is located at the top of rear shell, and the side of the earpiece offers rear sound chamber；The position of the components such as earpiece is devised by design optimization, it can solve the problems, such as that mobile phone top face space is narrow, earpiece space is conceded and gives other devices, increase headspace cloth member area, solves existing earpiece audio cavity structure, since fuselage roof position is narrow, area occupied is larger again for earpiece, tie up camera and breath light position, and due to complete machine thickness limit to, preceding sound chamber can only design it is smaller, if PCB is hollowed out but cause pcb board area reduction, it is unfavorable for hardware cabling, the problem of back side goods of furniture for display rather than for use area is also reduced therewith.

Description

A kind of earpiece audio cavity structure

Technical field

The invention belongs to technical field of mobile phones, and in particular to a kind of earpiece audio cavity structure.

Background technique

Current era mobile phone technique high speed development, handset structure appearance integral form tend to be lightening, and function is highly integrated To change, the screen accounting limit is constantly pursued in design, in this context, and Liu Haiping, water droplet screen, or even punch screen and have become contemporary master It flows, the black surround at the top and bottom of mobile phone screen has also faded away, this just proposes new challenge to mobile phone build stack, design The integrated level of the components such as loudspeaker, earpiece, camera, P/L sensor (light/range sensor) at the top and bottom of mobile phone Must be higher and higher, and with the development of facial recognition techniques, preposition dual camera also starts to become trend, original at the top of mobile phone This narrow space has been had too many difficulties to cope with, and earpiece is wanted to obtain good performance must design audio cavity structure, and to space requirement It is larger, if wanting the highly integrated design for not only having realized more devices in limited mobile phone headspace, but also realize the big sound chamber of earpiece Design requirement, it is necessary to pioneer and invent in the design of sound chamber.

Existing earpiece audio cavity structure, since fuselage roof position is narrow, area occupied is larger again for earpiece, ties up and takes the photograph As head and breath light position, and since complete machine thickness limits to, preceding sound chamber can only design it is smaller, if PCB is hollowed out and leads to PCB The problem of plate suqare reduces, and is unfavorable for hardware cabling, and back side goods of furniture for display rather than for use area is also reduced therewith, thus it is proposed that a kind of mobile phone is listened Cylinder audio cavity structure.

Summary of the invention

The purpose of the present invention is to provide a kind of earpiece audio cavity structures, existing to solve to propose in above-mentioned background technique Earpiece audio cavity structure, since fuselage roof position is narrow, earpiece again area occupied it is larger, tie up camera and breath light Position, and due to complete machine thickness limit to, preceding sound chamber can only design it is smaller, if PCB is hollowed out but cause pcb board area reduction, It is unfavorable for hardware cabling, the problem of back side goods of furniture for display rather than for use area is also reduced therewith.

To achieve the above object, the invention provides the following technical scheme: a kind of earpiece audio cavity structure, including main body, It further include assembling mechanism and protection mechanism, the main body includes rear shell, and the assembling mechanism includes TP plate and earpiece, described to be located at One end of front housing, sound chamber before the side of the TP plate offers, the side of the preceding sound chamber is connected with pcb board, the earpiece position In the top of rear shell, the side of the earpiece offers rear sound chamber.

Preferably, the protection mechanism includes two cortex wrapping layers, and two cortex wrapping layers are respectively positioned on rear shell Both ends, the outer surface of two cortex wrapping layers are respectively connected with rubber pad, and the inside of the cortex wrapping layer is fixedly connected with Sponge wrapping layer is connected with protective air-bag on the inside of the sponge wrapping layer, and the cortex wrapping layer inner surface is connected with electrostatic The side of laminating film, the electrostatic laminating film is connected with flannelette napped fabric layer.

Preferably, the side of the rear shell is fixedly connected with front housing, and the front housing is mutually closely connect with rear shell.

Preferably, the side of the rear shell offers concave sealing groove, and the outside of the front housing corresponds to concave sealing groove Position at be connected with convex sealing block.

Preferably, the earpiece is mutually closely connect with pcb board, and is fixedly connected with foam-rubber cushion on the outside of the TP plate.

Preferably, the front housing is mutually closely connect with TP plate, and the outer surface of the TP plate is provided with oleophobic layer.

Preferably, the junction of sound chamber offers spill accommodating groove after the inside of the rear shell is corresponding.

Preferably, the sponge wrapping layer is mutually closely connect with electrostatic laminating film, and the cortex wrapping layer and TP plate It is connected by Electrostatic Absorption.

Preferably, the sponge wrapping layer is fixedly connected with protective air-bag by glue, and protective air-bag is evenly distributed on The inside of sponge wrapping layer.

Preferably, lifting fixed strip, and the lifting fixed strip and skin are fixedly connected on the outside of the cortex wrapping layer Matter wrapping layer is an integral structure.

Compared with prior art, the beneficial effects of the present invention are:

(1) it is narrow can to solve mobile phone top face space for the position that the components such as earpiece are devised by design optimization Earpiece space is conceded and gives other devices by problem, increases headspace cloth member area, or can design by this and reduce top Screen fringe length, optimizes complete machine appearance, and the preceding sound chamber of earpiece can design bigger, and rear sound chamber may be implemented It is hermetically sealed, it can satisfy more extensive audio demand, solve existing earpiece audio cavity structure, due to fuselage roof position Set narrow, area occupied is larger again for earpiece, ties up camera and breath light position, and since complete machine thickness limits to, preceding sound chamber is only Can design it is smaller, if PCB to be hollowed out to and caused the reduction of pcb board area, be unfavorable for hardware cabling, back side goods of furniture for display rather than for use area is also therewith The problem of reduction.

(2) it is mounted with to be convenient for positioned at mechanisms such as the cortex wrapping layers at rear shell both ends when mobile phone dispatches from the factory and transports by design, To protecting for the components of mobile phone, prevents vibration when transport from can have an impact to components, solves existing mobile phone, Due to the problem of being only provided with one layer of thin protecting film when factory, the vibration generated when transport cannot be filtered out.

Detailed description of the invention

Fig. 1 is the structural diagram of the present invention；

Fig. 2 is the cross-sectional view of rear shell of the present invention；

Fig. 3 is the cross-sectional view of cortex wrapping layer of the present invention；

Fig. 4 is the structural schematic diagram of sponge wrapping layer of the present invention；

In figure: 1, front housing；2, sponge wrapping layer；3, pcb board；4, TP plate；5, rear shell；6, rear sound chamber；7, earpiece；8, rubber Pad；9, protective air-bag；10, flannelette napped fabric layer；11, cortex wrapping layer；12, electrostatic laminating film；13, preceding sound chamber.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

Fig. 1-Fig. 4 is please referred to, the present invention provides a kind of technical solution: a kind of earpiece audio cavity structure, including main body, also Including assembling mechanism and protection mechanism, main body includes rear shell 5, and assembling mechanism includes TP plate 4 and earpiece 7, positioned at the one of front housing 1 End, sound chamber 13 before the side of TP plate 4 offers, the side of preceding sound chamber 13 is connected with pcb board 3, and earpiece 7 is located at the top of rear shell 5, The side of earpiece 7 offers rear sound chamber 6.

For the ease of guaranteeing the normal use of protection mechanism, in the present embodiment, it is preferred that protection mechanism includes two cortex Wrapping layer 11, two cortex wrapping layers 11 are respectively positioned on the both ends of rear shell 5, and the outer surface of two cortex wrapping layers 11 is respectively connected with rubber Rubber mat 8, the inside of cortex wrapping layer 11 are fixedly connected with sponge wrapping layer 2, and the inside of sponge wrapping layer 2 is connected with protective air-bag 9,11 inner surface of cortex wrapping layer is connected with electrostatic laminating film 12, and the side of electrostatic laminating film 12 is connected with flannelette napped fabric layer 10.

For the ease of guaranteeing the normal use of main body, in the present embodiment, it is preferred that before the side of rear shell 5 is fixedly connected with Shell 1, and front housing 1 is mutually closely connect with rear shell 5.

For the ease of preferably increasing leakproofness, in the present embodiment, it is preferred that the side of rear shell 5 offers concave sealing Slot, and the outside of front housing 1 corresponds to and is connected with convex sealing block at the position of concave sealing groove.

For the ease of increasing compactness, in the present embodiment, it is preferred that earpiece 7 is mutually closely connect with pcb board 3, and TP plate 4 outside is fixedly connected with foam-rubber cushion.

For the ease of preferably using TP plate 4, in the present embodiment, it is preferred that front housing 1 is mutually closely connect with TP plate 4, and The outer surface of TP plate 4 is provided with oleophobic layer.

For the ease of preferably storing earpiece 7, in the present embodiment, it is preferred that the company of sound chamber 6 after the inside of rear shell 5 is corresponding The place of connecing offers spill accommodating groove.

For the ease of increase cortex wrapping layer 11 fixation compactness, in the present embodiment, it is preferred that sponge wrapping layer 2 It is mutually closely connect with electrostatic laminating film 12, and cortex wrapping layer 11 is connect with TP plate 4 by Electrostatic Absorption.

For the ease of preventing protective air-bag 9 mobile, in the present embodiment, it is preferred that sponge wrapping layer 2 and protective air-bag 9 are logical It crosses glue to be fixedly connected, and protective air-bag 9 is evenly distributed on the inside of sponge wrapping layer 2.

For the ease of removing cortex wrapping layer 11, in the present embodiment, it is preferred that the outside of cortex wrapping layer 11 is fixed to be connected It is connected to lifting fixed strip, and lifts fixed strip and is an integral structure with cortex wrapping layer 11.

The working principle of the invention and process for using: the present invention and conventional 7 audio cavity structure of earpiece design are on the contrary, utilize earpiece The reverse design of the sound chamber of 7 front and backs, by sound chamber 13 before earpiece 7 as sound chamber 6 after complete machine, by sound chamber 6 after earpiece 7 as sound before complete machine Chamber 13 is designed using 7 bottom of earpiece leakage sound hole as sound outlet hole, earpiece 7 is not placed directly in TP plate 4 at the top of complete machine to realize Lower section, but earpiece 7 is placed between pcb board 3 and rear shell 5, i.e. anti-dress of the earpiece 7 relative to complete machine, are beaten by pcb board 3 Hole mode connects earpiece 7 and leaks sound chamber 13 before sound hole and complete machine, and big preceding sound chamber 13 can be realized and rear sound chamber 6 seals, when necessary may be used It is required that the leakage sound hole of earpiece 7 is done big and customization vibrating diaphragm by supplier, the design of this structure is adapted to, in terms of 7 monomer of earpiece with further Audio frequency effect is promoted, before mobile phone factory, the dress of cortex wrapping layer 11 is thrown at the both ends of rear shell 5,11 inside of cortex wrapping layer Electrostatic laminating film 12 can be adsorbed by electrostatic and TP plate 4 and rear shell 5, and flannelette napped fabric layer 10 can prevent shell from wearing, and sponge packet The cortex wrapping layer 11 of 2 inside of covering layer may filter that the vibration generated when transport, avoid having an impact mobile phone components, user When using mobile phone, cortex wrapping layer 11 is taken off.

It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims

1. a kind of earpiece audio cavity structure, including main body, it is characterised in that: it further include assembling mechanism and protection mechanism, it is described Main body includes rear shell (5), and the assembling mechanism includes TP plate (4) and earpiece (7), described one end positioned at front housing (1), the TP The side of plate (4) offers preceding sound chamber (13), and the side of the preceding sound chamber (13) is connected with pcb board (3), earpiece (7) position In the top of rear shell (5), the side of the earpiece (7) offers rear sound chamber (6).

2. a kind of earpiece audio cavity structure according to claim 1, it is characterised in that: the protection mechanism includes two Cortex wrapping layer (11), two cortex wrapping layers (11) are respectively positioned on the both ends of rear shell (5), two cortex wrapping layers (11) outer surface is respectively connected with rubber pad (8), and the inside of the cortex wrapping layer (11) is fixedly connected with sponge wrapping layer (2), it is connected with protective air-bag (9) on the inside of the sponge wrapping layer (2), cortex wrapping layer (11) inner surface is connected with quiet The side of electric laminating film (12), the electrostatic laminating film (12) is connected with flannelette napped fabric layer (10).

3. a kind of earpiece audio cavity structure according to claim 1, it is characterised in that: the side of the rear shell (5) is solid Surely it is connected with front housing (1), and the front housing (1) is mutually closely connect with rear shell (5).

4. a kind of earpiece audio cavity structure according to claim 1, it is characterised in that: open the side of the rear shell (5) Outside equipped with concave sealing groove, and the front housing (1), which corresponds to, is connected with convex sealing block at the position of concave sealing groove.

5. a kind of earpiece audio cavity structure according to claim 3, it is characterised in that: the earpiece (7) and pcb board (3) mutually close connection, and foam-rubber cushion is fixedly connected on the outside of the TP plate (4).

6. a kind of earpiece audio cavity structure according to claim 3, it is characterised in that: the front housing (1) and TP plate (4) Mutually close connection, and the outer surface of the TP plate (4) is provided with oleophobic layer.

7. a kind of earpiece audio cavity structure according to claim 1, it is characterised in that: the inside of the rear shell (5) is right The junction of Ying Houyin chamber (6) offers spill accommodating groove.

8. a kind of earpiece audio cavity structure according to claim 2, it is characterised in that: the sponge wrapping layer (2) with The mutually close connection of electrostatic laminating film (12), and the cortex wrapping layer (11) is connect with TP plate (4) by Electrostatic Absorption.

9. a kind of earpiece audio cavity structure according to claim 2, it is characterised in that: the sponge wrapping layer (2) with Protective air-bag (9) is fixedly connected by glue, and protective air-bag (9) is evenly distributed on the inside of sponge wrapping layer (2).

10. a kind of earpiece audio cavity structure according to claim 2, it is characterised in that: the cortex wrapping layer (11) Outside be fixedly connected with lifting fixed strip, and the lifting fixed strip is an integral structure with cortex wrapping layer (11).