CN210629830U

CN210629830U - Electronic device

Info

Publication number: CN210629830U
Application number: CN201921427621.2U
Authority: CN
Inventors: 孙涛
Original assignee: Hisense Mobile Communications Technology Co Ltd
Current assignee: Hisense Mobile Communications Technology Co Ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-05-26
Anticipated expiration: 2029-08-29

Abstract

The utility model provides an electronic equipment, through set up the switching platelet between speaker and circuit board, the both sides of switching platelet set up the first conductor and the second conductor of mutual electricity connection, and the first shell fragment of first conductor contact speaker sets up the second shell fragment in the corresponding position department of circuit board, and second shell fragment contact second conductor, and then the signal of telecommunication passes through second shell fragment, second conductor, first conductor and first shell fragment and transmits for the speaker. The first elastic sheet and the second elastic sheet are standard pieces, the problems of manufacturing trouble and cost increase caused by the adoption of a specially-made block with a raised height are avoided, the first conductor and the second conductor which are electrically connected with each other are arranged on the two sides of the switching small plate, the switching small plate can be realized through a common copper leakage technology, and the manufacturing cost is low. The circuit arrangement on the switching platelet is also very convenient, and first conductor and second conductor needn't just to setting up, and then the second shell fragment on the circuit board also needn't just to the first shell fragment on the speaker for the setting of second shell fragment on the circuit board is more nimble.

Description

Electronic device

Technical Field

The utility model relates to an electronic equipment technical field, in particular to electronic equipment with speaker sound cavity structure.

Background

At present, many electronic devices such as mobile phones are provided with a speaker, and the speaker is fixed on the inner side of the rear shell and is provided with a sound hole at a position corresponding to the rear shell in a common arrangement mode. The current mode of transmitting the signal of telecommunication to the speaker is through the circuit board directly with the signal of telecommunication transmission for the speaker, but spacing distance between the shell fragment of circuit board and speaker, and the centre is equipped with sound chamber support for corresponding position department of circuit board has to set up the bed hedgehopping piece that has electric conductivity, just can transmit the signal of telecommunication of circuit board for the speaker through the shell fragment of bed hedgehopping piece contact speaker, and then drives the speaker sound production.

The heightening block is a specially-made metal part, the thicknesses of different speakers are different, so that the distances between the elastic sheets of the different speakers and the circuit board are different, the heightening block has to be manufactured into different sizes according to the distances between the elastic sheets of the speakers and the circuit board, and the heightening block is troublesome to manufacture and high in cost. In addition, because the block needs to face the elastic sheet of the speaker, the position of the block on the circuit board is not changeable, which is not convenient for the arrangement of the circuit on the circuit board.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an electronic equipment, including first shell, second shell, speaker, sound chamber support, switching platelet and circuit board.

The second shell is fixed on the first shell and provided with a sound outlet;

the sound cavity support is fixedly arranged between the first shell and the second shell and provided with a switching hole;

the loudspeaker is positioned between the second shell and the sound cavity bracket, and is fixed on the second shell and is opposite to the sound outlet;

the switching small plate is positioned between the sound cavity support and the loudspeaker, the switching small plate is fixed on the sound cavity support and corresponds to the switching hole, a first conductor is arranged on one side, close to the loudspeaker, of the switching small plate, a second conductor is arranged on one side, close to the sound cavity support, of the switching small plate, the first conductor is electrically connected with the second conductor, and the first conductor is in contact with a first elastic sheet of the loudspeaker to realize that the first conductor is electrically connected with the first elastic sheet;

the circuit board is positioned between the first shell and the sound cavity support and fixed on the first shell, a second elastic sheet is arranged on one side, close to the sound cavity support, of the circuit board, and the second elastic sheet extends into the switching hole and contacts the second conductor to achieve the effect that the second conductor is electrically connected with the second elastic sheet.

According to the above technical scheme, the utility model discloses following advantage and positive effect have at least:

the utility model provides an electronic equipment, through set up the switching platelet between speaker and circuit board, the both sides of switching platelet set up the first conductor and the second conductor of mutual electricity connection, and the first shell fragment of first conductor contact speaker sets up the second shell fragment in the corresponding position department of circuit board, and second shell fragment contact second conductor, and then the signal of telecommunication on the circuit board passes through second shell fragment, second conductor, first conductor and first shell fragment and transmits for the speaker.

First shell fragment and second shell fragment are the standard part, can choose for use different specifications as required, and then avoid adopting purpose-made bed hedgehopping piece and the trouble, the problem of cost-push of manufacturing that cause, the both sides of switching platelet set up the first conductor and the second conductor of electricity connection each other and just can realize through the technique of leaking copper commonly used, low in manufacturing cost. Moreover, the circuit arrangement on the small switching plate is very convenient, the first conductor and the second conductor do not need to be arranged right opposite to each other, and further the second elastic sheet on the circuit board does not need to be arranged right opposite to the first elastic sheet on the loudspeaker, so that the second elastic sheet is arranged on the circuit board more flexibly.

Drawings

Fig. 1 and fig. 2 are schematic diagrams illustrating a disassembled structure of an electronic device in an embodiment of the present application.

Fig. 3 is a partial perspective view of a second housing according to an embodiment of the present disclosure.

Fig. 4 is a schematic perspective view of a speaker according to an embodiment of the present application.

Fig. 5 is a schematic perspective view of a circuit board according to an embodiment of the present application.

Fig. 6 and 7 are schematic perspective views of a sound cavity support in an embodiment of the present application.

Fig. 8 is a schematic partial perspective view of an electronic device in an embodiment of the application after a second shell is removed.

Fig. 9 is a schematic view of an overall appearance structure of an electronic device according to an embodiment of the present application.

The reference numerals are explained below: 1. a first shell; 2. a second shell; 21. a sound outlet; 22. a groove; 23. a first boss; 3. a sound cavity support; 31. switching the hole; 32. a second boss; 33. a third boss; 4. a speaker; 41. a first spring plate; 5. switching the small plates; 6. a circuit board; 61. a second elastic sheet; 7. a first seal ring; 8. and a second seal ring.

Detailed Description

Exemplary embodiments that embody features and advantages of the present invention will be described in detail in the following description. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 and 2, an embodiment of the present invention provides an electronic device, including a first shell 1, a second shell 2, a sound cavity support 3, a speaker 4, a small adapter plate 5, a circuit board 6, a first seal ring 7, and a second seal ring 8.

Referring to fig. 3, the electronic device is exemplified by a mobile phone, the first shell 1 is a front shell of the mobile phone, the second shell 2 is a rear shell of the mobile phone, and the first shell 1 and the second shell 2 are fixedly arranged by screws, so as to form an external shell structure of the electronic device. The second casing 2 is provided with a sound outlet 21.

The sound cavity bracket 3 is fixed between the first shell 1 and the second shell 2, and the sound cavity bracket 3 can be fixed on the inner side of the second shell 2, namely on the side of the second shell 2 close to the first shell 1, through screws. The sound cavity support 3 is provided with a switching hole 31.

The loudspeaker 4 is arranged between the second casing 2 and the sound cavity bracket 3, fixed on the inner side of the second casing 2 and opposite to the sound outlet 21 on the second casing 2, so that the sound emitted by the loudspeaker 4 can be emitted out through the sound outlet 21. The second housing 2 is provided with a recess 22 adapted to the speaker 4, and the speaker 4 is adhered in the recess 22, so that the speaker 4 is more firmly fixed on the second housing 2.

Referring to fig. 4, the adapting platelet 5 is fixed to a side of the sound cavity support 3 close to the speaker 4 and corresponds to the adapting hole 31, so that the adapting platelet 5 is located between the sound cavity support 3 and the speaker 4. One side of the small switching plate 5, which is close to the loudspeaker 4, is provided with a first conductor, one side of the small switching plate 5, which is close to the sound cavity support 4, is provided with a second conductor, and the first conductor is electrically connected with the second conductor. The arrangement of the first and second conductors electrically connected to each other on both sides of the transition platelet 5 can be realized by the commonly used copper-leakage technique. The first conductor contacts the first elastic piece 41 of the speaker 4, and is further electrically connected to the first elastic piece 41.

Referring to fig. 5, the circuit board 6 is disposed between the first casing 1 and the sound chamber holder 3, and the circuit board 6 is fixed to a side of the first casing 1 near the sound chamber holder 3. One side of the circuit board 6 close to the sound cavity support 3 is provided with a second elastic sheet 61, and the second elastic sheet 61 is electrically connected with a corresponding circuit on the circuit board 6. The second elastic sheet 61 extends into the switch hole 31 and contacts the second conductor of the switch platelet 5. The first elastic sheet 41 and the second elastic sheet 61 are contact type elastic conductive elements with standard specifications sold in the market.

In this application electronic equipment, first shell fragment 41 and second shell fragment 61 are the standard part, can choose for use different specifications as required, and then avoid adopting purpose-made cushion and the trouble, the problem of cost increase of manufacturing that cause, the both sides of switching platelet 5 set up first conductor and the second conductor of mutual electric connection and just can realize through the technique of leaking copper commonly used, low in manufacturing cost. Moreover, the circuit arrangement on the small adapting plate 5 is also very convenient, the first conductor and the second conductor do not need to be arranged right opposite, and further the second elastic sheet 61 on the circuit board 6 does not need to be arranged right opposite to the first elastic sheet 41 on the loudspeaker 4, so that the arrangement of the second elastic sheet 61 on the circuit board 6 is more flexible.

Referring to fig. 6, a first sealing ring 7 is provided between the second case 2 and the tone chamber bracket 3. One side that second shell 2 contacted first sealing washer 7 is equipped with first boss 23, has the binding face that can laminate mutually with first sealing washer 7 on the first boss 23 to, first boss 23 passes through binding face and first sealing washer 7 adaptation and constitutes sealed laminating. One side of the sound cavity support 3 contacting the first sealing ring 7 is provided with a second boss 32 capable of being matched with the first sealing ring 7, and in specific implementation, the first sealing ring 7 can be correspondingly bonded on the second boss 32 of the sound cavity support 3 in advance, so that assembly is facilitated. After the sound cavity support 3 is fixed on the second shell 2 through screws, a first sound cavity is formed among the second shell 2, the inner side wall of the first sealing ring 7 and the sound cavity support 3, and the loudspeaker 4 is located in the first sound cavity.

Referring to fig. 7, a second sealing ring 8 is arranged between the sound cavity support 3 and the circuit board 6, a third boss 33 capable of being matched with the second sealing ring 8 is arranged on one side of the sound cavity support 3 contacting the second sealing ring 8, and a binding face capable of being bound with the second sealing ring 8 is arranged on the third boss 33, so that the third boss 33 is matched with the second sealing ring 8 through the binding face and forms sealing binding. The second sealing ring 8 may be pre-bonded to the third boss 33 of the sound cavity holder 3 to facilitate assembly. The shape of the through-hole that closes and the switching hole 31 shape looks adaptation on the sound chamber support 3 is enclosed to the inside wall of second sealing washer to reduce the size in second sound chamber when guaranteeing sealed effect, avoid the sound wave decay. The side of circuit board 6 that is close to sound chamber support 3 can be with the sealed laminating of second sealing washer 8 to, first shell 1, sound chamber support 3 and second shell 2 pass through the fix with screw assembly back, form the second sound chamber between the inside wall of sound chamber support 3, second sealing washer 8 and circuit board 6. The second elastic sheet 61 on the circuit board 6 is located in the second sound cavity. The second sound chamber is communicated with the first sound chamber through the switch hole 31, so that the sound waves emitted by the loudspeaker 4 can only be transmitted in the first sound chamber and the second sound chamber and finally are transmitted out from the sound outlet 21 formed in the second casing 2.

Referring to fig. 8 and 9, first shell 1, second shell 2, sound cavity support 3, speaker 4, switching platelet 5, circuit board 6, first sealing washer 7, second sealing washer 8 and other component parts of electronic equipment obtain this application electronic equipment after according to corresponding relation and assembly requirement assembly, through above scheme this application electronic equipment possesses effects such as manufacturing cost is lower, the assembly is more convenient, tone quality is better.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. An electronic device, comprising:

a first shell;

the second shell is fixed on the first shell and provided with a sound outlet;

the switching small plate is positioned between the sound cavity support and the loudspeaker, the switching small plate is fixed on the sound cavity support and corresponds to the switching hole, a first conductor is arranged on one side, close to the loudspeaker, of the switching small plate, a second conductor is arranged on one side, close to the sound cavity support, of the switching small plate, the first conductor is electrically connected with the second conductor, and the first conductor is in contact with a first elastic sheet of the loudspeaker so as to realize that the first conductor is electrically connected with the first elastic sheet;

2. The electronic device of claim 1, wherein a first sealing ring is disposed between the second housing and the sound cavity support, the second housing, an inner sidewall of the first sealing ring, and the sound cavity support form a first sound cavity, and the speaker is located in the first sound cavity.

3. The electronic device according to claim 2, wherein a side of the second shell contacting the first sealing ring is provided with a first boss capable of being matched with the first sealing ring, and a side of the sound cavity support contacting the first sealing ring is provided with a second boss capable of being matched with the first sealing ring.

4. The electronic device of claim 3, wherein the first seal ring is bonded to the second boss.

5. The electronic device according to claim 2, wherein a second sealing ring is disposed between the sound cavity holder and the circuit board, the sound cavity holder, an inner sidewall of the second sealing ring and the circuit board form a second sound cavity, the second elastic piece is located in the second sound cavity, and the second sound cavity is communicated with the first sound cavity through the through hole.

6. The electronic device of claim 5, wherein a side of the sound cavity support contacting the second sealing ring is provided with a third boss capable of being matched with the second sealing ring.

7. The electronic device of claim 6, wherein the second seal ring is bonded to the third boss.

8. The electronic device of claim 5, wherein the shape of the through hole defined by the inner side wall of the second sealing ring is matched with the shape of the through hole.

9. The electronic device of claim 1, wherein the second housing is provided with a recess adapted to the speaker, and the speaker is adhered in the recess.

10. The electronic device according to claim 1, wherein the sound cavity holder is fixed to the second housing by screws.