WO2022000653A1

WO2022000653A1 - Loudspeaker

Info

Publication number: WO2022000653A1
Application number: PCT/CN2020/104668
Authority: WO
Inventors: 杨虎虎
Original assignee: 瑞声声学科技(深圳)有限公司; 瑞声科技(新加坡)有限公司
Priority date: 2020-06-30
Filing date: 2020-07-25
Publication date: 2022-01-06
Also published as: CN212519306U

Abstract

Provided is a loudspeaker. The loudspeaker comprises a housing, which is provided with an accommodating space, and a speaker unit, which is accommodated in the housing, the speaker unit having a diaphragm; the loudspeaker further comprises a connector, and the connector comprises a fixing part, which is fixed to the housing, and a connecting part, which is fixedly connected to the fixing part; the connecting part is provided with a through-hole, and the through-hole and the housing are provided at an interval. The speaker provided in the present utility model can not only reduce the difficulty of processing a housing, but can also facilitate the simplification and miniaturization of the housing. Moreover, the position at which a through-hole structure is fixed to the housing can be selected as desired by using post-assembly or welding, so as to meet the need for customers to select the position at which the loudspeaker and a smart mobile device are connected.

Description

speaker

technical field

The invention relates to the field of electro-acoustic conversion, in particular to a loudspeaker.

Background technique

With the advent of the mobile Internet era, the number of smart mobile devices continues to rise. Among many mobile devices, mobile phones are undoubtedly the most common and portable mobile terminal devices. At present, the functions of mobile phones are extremely diverse, one of which is the high-quality music function. Therefore, speakers for playing sound are widely used in today's smart mobile devices.

In the related art, a loudspeaker includes a casing with a receiving space and a loudspeaker unit contained in the casing. Among them, the speaker usually forms a screw hole structure on the casing so that the speaker can be assembled into the smart mobile device through screws or bolts. However, since the screw hole structure is formed on the casing, this will not only increase the difficulty of processing the casing, but also be unfavorable for the simplification and miniaturization of the casing (on the condition that the speaker has sufficient accommodation space, the screw hole structure is formed in the casing) The above will inevitably lead to the shell need to reserve enough positions for forming the screw hole structure), and the position of the screw hole structure of the formed shell is fixed, which does not meet the needs of customers to choose the connection position between the speaker and the smart mobile device.

Therefore, it is necessary to provide a new speaker to solve the above problems.

technical problem

The purpose of the present invention is to provide a loudspeaker, which can not only reduce the processing difficulty of the casing, but also facilitate the simplification and miniaturization of the casing, and the position of the connecting piece to be fixed to the casing can be arbitrarily selected by means of post-assembly or welding, etc., To meet the needs of customers to choose where the speaker is connected to the smart mobile device.

technical solutions

The loudspeaker provided by the present invention includes a casing with a receiving space and a loudspeaker unit accommodated in the casing, the loudspeaker unit has a sound membrane, and the loudspeaker further includes a connecting piece, and the connecting piece includes a The fixing part of the casing and the connecting part fixedly connected with the fixing part, the connecting part is provided with a through hole, and the through hole is spaced from the casing.

Preferably, the fixing portion is welded and fixed to the housing.

Preferably, the projection of the connecting portion along the vibration direction of the sound membrane does not overlap with the housing, and the axis of the through hole is parallel to the vibration direction.

Preferably, the housing has first and second surfaces spaced apart along the vibration direction and side surfaces connecting the first and second surfaces.

Preferably, the fixing portion is fixed on the side surface, and the fixing portion is formed by bending and extending from an end of the connecting portion close to the side surface.

Preferably, the fixing part comprises a first fixing part fixed on the side surface and a second fixing part fixed on the first surface, the second fixing part and the connecting part are respectively connected from the first fixing part The parts are formed by bending and extending at opposite ends along the vibration direction.

Preferably, the fixing part comprises a first fixing part fixed on the side surface, a second fixing part fixed on the first surface and a third fixing part fixed on the second surface, the second fixing part The connecting portion and the third fixing portion are respectively formed by bending and extending from opposite ends of the first fixing portion along the vibration direction, and the connecting portion is fixedly connected with the first fixing portion.

Preferably, the second fixing portion and the third fixing portion are spaced apart from the connecting portion along the vibration direction, and reinforcing members are respectively provided on opposite sides of the connecting portion along the vibration direction, The reinforcing piece is fixedly connected to the connecting portion and the first fixing portion, and the reinforcing piece is spaced apart from the through hole.

Preferably, the casing includes an upper cover and a lower cover assembled with the upper cover to form the receiving space, and one of the first surface and the second surface is that the upper cover is away from the lower cover The surface on one side, and the surface on the side of the lower cover away from the upper cover on the other side.

beneficial effect

Compared with the related art, the speaker provided by the present invention is provided with a connector fixed on the casing, so that the speaker can be fixedly connected with the smart mobile device through the connector when it is assembled into the smart mobile device, wherein the The connecting piece includes a fixing part fixed on the casing and a connecting part fixedly connected with the fixing part, and a through hole arranged spaced apart from the casing is formed on the connecting part. This can not only reduce the processing difficulty of the casing, but also facilitate the simplification and miniaturization of the casing, and the position of the connector to be fixed to the casing can be freely selected by post-assembly or welding, so as to satisfy the customer's choice of the connection position between the speaker and the smart mobile device. demand.

Description of drawings

FIG. 1 is a perspective view of Embodiment 1 of a speaker provided by the present invention.

FIG. 2 is a cross-sectional view of the speaker shown in FIG. 1 along the direction A-A.

FIG. 3 is a schematic structural diagram of Embodiment 2 of the speaker provided by the present invention.

FIG. 4 is a schematic structural diagram of Embodiment 3 of the speaker provided by the present invention.

FIG. 5 is a schematic structural diagram of the assembled connecting member and the reinforcing member in the speaker shown in FIG. 4 .

Embodiments of the present invention

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. . Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Example 1

Please refer to FIG. 1 and FIG. 2 in combination, the speaker includes a housing 1 having a housing space 1A, a speaker unit 2 accommodated in the housing 1 , and a connector 3 fixed to the housing 1 . Wherein, the connector 3 is used to assemble the speaker into a smart mobile device.

The speaker unit 2 has a sound membrane 21 that can vibrate along the vibration direction X. The sound membrane 21 divides the accommodation space 1A into a rear cavity 1B and a front cavity 1C communicating with the outside world.

The housing 1 includes an upper cover 11 and a lower cover 13 assembled with the upper cover 11 to form the receiving space 1A. The speaker unit 2 is fixed to the lower cover 13 , and the sound membrane 21 and the lower cover 13 are enclosed to form the front cavity 1C.

The housing 1 has a first surface 15 and a second surface 17 spaced along the vibration direction X and a side surface 19 connecting the first surface 15 and the second surface 17, the first surface 15 and all One of the second surfaces 17 is the surface of the upper cover 11 away from the lower cover 13 , and the other is the surface of the lower cover 13 away from the upper cover 11 . As shown in FIG. 1 and FIG. 2 , the first surface 15 is the surface of the upper cover 11 away from the lower cover 13 , and the second surface 17 is the lower cover 13 away from the upper cover 11 . surface on one side.

The connecting member 3 includes a fixing portion 31 fixed to the housing 1 and a connecting portion 33 that is fixedly connected to the fixing portion 31 . The casings 1 are arranged at intervals. Wherein, the connecting part 33 is used for connecting with the smart mobile device.

As shown in FIG. 2 , the projection of the connecting portion 33 along the vibration direction X of the acoustic membrane 21 does not overlap with the casing 1 , and the axis 33A of the through hole 331 is parallel to the vibration direction X.

In this embodiment, the fixing portion 31 is fixed on the side surface 19 , and the fixing portion 31 is formed by bending and extending from one end of the connecting portion 33 close to the side surface 19 (that is, the fixing portion 31 is connected to the side surface 19 ). The connecting portion 33 is integrally formed, so that the connection strength of the fixed connection between the fixing portion 31 and the connecting portion 33 can be ensured).

As shown in FIG. 2 , the fixing portion 31 is fixed on the portion of the side surface 19 located on the lower cover 13 , that is, the fixing portion 31 is fixed on the lower cover 13 . It can be understood that, in other embodiments, the fixing portion 31 may also be arranged to be fixed to the side surface 19 on two parts of the lower cover 13 and the upper cover 11 (that is, the fixing portion 31 ). The lower cover 13 and the upper cover 11 are both fixed), so that the connection strength of the upper cover 1 and the lower cover 13 after assembly can be improved.

In this embodiment, the fixing portion 31 is fixed to the housing 1 by welding.

Embodiment 2

Referring to FIG. 3 , the only difference between the second embodiment and the first embodiment is that the fixing portion 31 includes a first fixing portion 311 fixed to the side surface 19 and a second fixing portion 313 fixed to the first surface 15 , the second fixing portion 313 and the connecting portion 33 are respectively formed by bending and extending from opposite ends of the first fixing portion 311 along the vibration direction X (that is, the first fixing portion 311, the first fixing portion 311, the The two fixing parts 313 and the connecting part 33 are integrally formed, so that the connection strength of the first fixing part 311 and the second fixing part 313 and the connecting part 33 can be ensured). The first fixing portion 311 is fixed to the side surface 19 and the second fixing portion 313 is fixed to the first surface 15 (that is, the upper cover 11 and the lower cover 13 are both connected to the fixing portion 31 ). fixed connection), which can not only increase the connection strength between the fixing portion 31 and the housing 1, but also improve the connection strength after the upper cover 1 and the lower cover 13 are assembled.

It can be understood that, in other embodiments, the first surface can also be set as the surface on the side of the lower cover away from the upper cover, and the first fixing portion is fixed to the side and located on the lower cover. (that is, the fixing part is fixed on the lower cover).

Embodiment 3

Referring to FIG. 4 , the only difference between the third embodiment and the first embodiment is that the fixing portion 31 includes a first fixing portion 311 fixed to the side surface 19 and a second fixing portion 313 fixed to the first surface 15 and the third fixing portion 315 fixed on the second surface 17, the second fixing portion 313 and the third fixing portion 315 are respectively from the opposite ends of the first fixing portion 311 along the vibration direction X The connecting portion 33 is formed by bending and extending, and the connecting portion 33 is fixedly connected with the first fixing portion 311 . (That is, the first fixing portion 311, the second fixing portion 313 and the third fixing portion 315 are integrally formed, so that the first fixing portion 311, the second fixing portion 313 and the third fixing portion 315 can be guaranteed. The connection strength of the connection of the three fixing parts 315). The first fixing portion 311 is fixed to the side surface 19, the second fixing portion 313 is fixed to the first surface 15, and the third fixing portion 315 is fixed to the second surface 17 (that is, the Both the upper cover 11 and the lower cover 13 are fixedly connected to the fixing part 31 ), which can not only increase the connection strength of the fixing part 31 and the casing 1 , but also improve the upper cover 1 and the lower cover 13 Connection strength after assembly.

Wherein, the connecting portion 33 and the first fixing portion 311 may be fixedly connected by welding.

As shown in FIG. 4 and FIG. 5 , the second fixing portion 313 and the third fixing portion 315 are spaced apart from the connecting portion 33 along the vibration direction X, and the connecting portion 33 vibrates along the vibration direction X. Reinforcing pieces 35 are respectively provided on opposite sides in the direction X, the reinforcing pieces 35 are fixedly connected with the connecting portion 33 and the first fixing portion 311 , and the reinforcing pieces 35 are arranged at intervals from the through holes 331 . By arranging the reinforcing members 35 fixedly connected to the connecting portion 33 and the first fixing portion 311 on the opposite sides of the connecting portion 33 along the vibration direction X, the connecting portion 33 can be made stronger is fixed on the first fixing part 311 .

Wherein, the reinforcing member 35 and the first fixing portion 311 and the reinforcing member 35 and the connecting portion 33 may be fixedly connected by welding.

Compared with the related art, the speaker provided by the present invention is provided with a connector 3 fixed on the casing 1, so that the speaker can be fixedly connected to the smart mobile device through the connector 3 when the speaker is assembled into the smart mobile device, wherein , the connecting piece 3 includes a fixing part 31 fixed to the housing 1 and a connecting part 33 fixedly connected with the fixing part 31 , and the connecting part 33 is provided with a through hole spaced apart from the housing 1 . 331. This can not only reduce the processing difficulty of the casing, but also facilitate the simplification and miniaturization of the casing, and the position of the connector to be fixed to the casing can be freely selected by post-assembly or welding, so as to satisfy the customer's choice of the connection position between the speaker and the smart mobile device. demand.

The above are only the embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, improvements can be made without departing from the inventive concept of the present invention, but these belong to the present invention. scope of protection.

Claims

A loudspeaker comprises a casing with a receiving space and a loudspeaker unit accommodated in the casing, wherein the loudspeaker unit has a sound membrane, and is characterized in that: the loudspeaker further includes a connector, and the connector includes a The fixing part of the casing and the connecting part fixedly connected with the fixing part, the connecting part is provided with a through hole, and the through hole is spaced from the casing.
The loudspeaker according to claim 1, wherein the fixing part is welded and fixed to the casing.
The loudspeaker according to claim 1 or 2, wherein the projection of the connecting portion along the vibration direction of the sound membrane does not overlap with the casing, and the axis of the through hole is parallel to the vibration direction.
The loudspeaker according to claim 3, wherein the housing has a first surface and a second surface spaced along the vibration direction and a side surface connecting the first surface and the second surface.
The loudspeaker according to claim 4, wherein the fixing portion is fixed on the side surface, and the fixing portion is formed by bending and extending from an end of the connecting portion close to the side surface.
The loudspeaker according to claim 4, wherein the fixing part comprises a first fixing part fixed on the side surface and a second fixing part fixed on the first surface, the second fixing part and the The connecting portions are respectively formed by bending and extending from opposite ends of the first fixing portion along the vibration direction.
The loudspeaker according to claim 4, wherein the fixing part comprises a first fixing part fixed on the side surface, a second fixing part fixed on the first surface, and a second fixing part fixed on the second surface The third fixing portion, the second fixing portion and the third fixing portion are respectively formed by bending and extending from opposite ends of the first fixing portion along the vibration direction, and the connecting portion is connected to the first fixing portion. fixed connection.
The loudspeaker according to claim 7, wherein the second fixing part and the third fixing part are spaced apart from the connecting part along the vibration direction, and the connecting part is along the vibration direction Reinforcing pieces are respectively provided on the opposite sides of the hood, the reinforcing pieces are fixedly connected with the connecting portion and the first fixing portion, and the reinforcing pieces are arranged at intervals from the through holes.
The loudspeaker according to claim 4, wherein the casing comprises an upper cover and a lower cover assembled with the upper cover to form the receiving space, one of the first surface and the second surface The upper cover is the surface of the side away from the lower cover, and the other side is the surface of the lower cover away from the upper cover.