CN209390334U - Loudspeaker - Google Patents

Abstract

The utility model provides a kind of loudspeaker, including shell, it is housed in the intracorporal loudspeaker monomer of the shell and flexible circuit board, the loudspeaker monomer is electrically connected with the flexible circuit board, the shell includes upper housing and lower case, the flexible circuit board includes the upper surface towards upper housing and the lower surface towards lower case, the lower surface of the flexible circuit board is adhesively fixed with the lower case, bolster is set between the upper surface and upper housing of the flexible circuit board, and the upper housing is compressed flexible circuit board in lower case by the bolster.Upper housing compresses flexible circuit board by bolster in the utility model, flexible circuit board is immobilized in the shell, it solves since flexible circuit board is longer, without support in shell, and gap is smaller between shell, the technical issues of flexible circuit board is easily shaken in air-flow flow process, generates shell vibration with shell.

Description

Loudspeaker

[technical field]

The utility model relates to acoustic-electric field more particularly to a kind of loudspeakers applied to portable electronic product.

[background technique]

With the arrival of mobile internet era, the update of electronic product is getting faster, and people are to electronic product The requirement of various aspects of performance is also higher and higher, one of them is the music function of high-quality, and therefore, electroacoustics system needs continuous Improving performance, the loudspeaker of high-quality be realize this high-quality music function one of necessary condition.

Loudspeaker generally includes shell and is housed in the intracorporal loudspeaker monomer of shell.Loudspeaker monomer needs during the energization Acoustical signal is converted electrical signals to, in order to realize the conducting of loudspeaker monomer, usually setting flexible circuit board, flexible circuit board One end and loudspeaker monomer, which are realized, to be electrically connected, and the other end extends to hull outside realization and is electrically connected with external.Due to flexibility Circuit board is longer, and without support in shell, and gap is smaller between shell, and flexible circuit board easily occurs in air-flow flow process Shake generates resonance with shell and shell is also made to shake.

Therefore, it is really necessary to provide a kind of loudspeaker for preventing flexible circuit board from shell vibration occurs.

Above content is only used for auxiliary and understands the technical solution of the utility model, does not represent and recognizes that above content is existing Technology.

[utility model content]

The main purpose of the utility model is to provide a kind of loudspeakers, it is intended to solve existing since flexible circuit board produces The problem of raw part shell vibration.

The technical solution of the utility model is as follows: a kind of loudspeaker, including shell, is housed in the intracorporal loudspeaker of the shell Monomer and flexible circuit board, the loudspeaker monomer and the flexible circuit board are electrically connected, the shell include upper housing and Lower case, the flexible circuit board include the upper surface towards upper housing and the lower surface towards lower case, the flexible circuit The lower surface of plate is adhesively fixed with the lower case, and bolster is arranged between the upper surface and upper housing of the flexible circuit board, The upper housing is compressed flexible circuit board in lower case by the bolster.

Preferably, a limiting slot with bottom is opened up in the lower case, a part of the flexible circuit board is fixed on In the limiting slot and the lower surface of the partially flexible circuit board and the bottom of limiting slot are Nian Jie.

Preferably, the lower case sets gradually container and mounting groove, and the container is for accommodating the loudspeaker Monomer, the mounting groove are arranged for accommodating the flexible circuit board and the bolster, the limiting slot in the mounting groove It is interior.

Preferably, in the mounting groove, one end of the container is provided with positioning column, is away from the receiving The limiting slot is arranged in slot one end, and the position that the flexible circuit board corresponds to positioning column is equipped with location hole, and the positioning column passes through Corresponding location hole is the flexible circuit board to be located in lower case.

Preferably, the flexible circuit board include the first conductive part, the second conductive part and connection first conductive part with The interconnecting piece of second conductive part, the bolster are arranged on the interconnecting piece.

Preferably, the loudspeaker monomer includes the first surface opposite with upper housing and opposite with first surface and under The second surface that shell fits, the loudspeaker monomer are equipped with the step to be formed that is recessed from first surface to second surface direction First conductive part in portion, the flexible circuit board is connected in the stage portion of the loudspeaker monomer.

Preferably, the loudspeaker monomer is rectangular and includes four corners, and each corner forms a stage portion.

Preferably, the bolster is foam.

Preferably, one is sticked to by binder between the bolster and the upper surface and upper housing of the flexible circuit board It rises.

The utility model has the following beneficial effects: flexible circuit board is compressed the limit in lower case by bolster by upper housing On slot, solve in the prior art since flexible circuit board is longer, without support in shell, and gap is smaller between shell, The technical issues of flexible circuit board is easily shaken in air-flow flow process, generates shell vibration with shell.

[Detailed description of the invention]

Fig. 1 is the stereogram exploded view of loudspeaker provided by the utility model.

Fig. 2 is the installation diagram of loudspeaker provided by the utility model.

Fig. 3 is the schematic diagram at another visual angle of lower shell structure of loudspeaker provided by the utility model.

Fig. 4 is enlarged diagram of the loudspeaker along B shown in Fig. 3.

Fig. 5 is cross-sectional view of the loudspeaker shown in Fig. 2 along line A-A.

Fig. 6 is enlarged diagram of the loudspeaker along C shown in Fig. 5.

[specific embodiment]

To further illustrate each embodiment, the utility model is provided with attached drawing.These attached drawings are in the utility model discloses A part of appearance mainly to illustrate embodiment, and can cooperate the associated description of specification former come the running for explaining embodiment Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and sheet are practical new The advantages of type.Component in figure is not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.

The utility model is described further with reference to the accompanying drawings and detailed description.

Referring to Figure 1 to Fig. 2, the utility model provides a kind of loudspeaker 100, including the shell with accommodating space 10, loudspeaker monomer 20, flexible circuit board 30 and the bolster 40 being housed in shell 10.

The shell 10 includes lower case 11 and upper housing 12.Specifically in the present embodiment, lower case 11 and upper housing 12 Engagement forms accommodating space, for accommodating loudspeaker monomer 20, flexible circuit board 30 and bolster 40.

Lower case 11 includes bottom wall 110 and the side wall 111 around bottom wall setting, and side wall 111 is equipped with part 112, should Be provided in part 112 out first go out acoustic aperture 1121 and second go out acoustic aperture 1122, first go out acoustic aperture 1121 and second go out acoustic aperture 1122 are connected to and through side wall 111 with loudspeaker monomer 20, for realizing the conduction of product sound.The bottom wall of lower case 11 Container 113 and mounting groove 114 are disposed adjacent on 110, for accommodating loudspeaker monomer 20, mounting groove 114 is used for container 113 Accommodate flexible circuit board 30 and bolster 40.

Fig. 3 and Fig. 4 are referred to, in mounting groove 114, is set adjacent to one end of container 113 there are two positioning column 1141, One is equipped with slot bottom and the limiting slot of groove sidewall 1142 far from 113 one end of container, and the slot bottom of limiting slot 1142 is used to support soft Property circuit board 30, the groove sidewall of limiting slot 1142 is for limiting position of the flexible circuit board 30 in lower case 11.Lower case 11 Side wall 111 be equipped with opening 1143 at the position being connected with limiting slot 1142, flexible circuit board 30 pass through opening 1143 with it is outer Portion's connection.

Loudspeaker monomer 20 includes the first surface 21 and with first surface 21 opposite and and lower casing opposite with upper housing 12 The second surface 22 that body 11 fits.20 side of loudspeaker monomer is provided with the stage portion for fixing 30 one end of flexible circuit board 23, stage portion 23 is to be recessed to be formed from first surface 21 to 22 direction of first surface.In the present embodiment, loudspeaker monomer 20 is Rectangular and include four corners, each corner forms a stage portion 23.In the present embodiment, loudspeaker monomer 20 is Magnetic speaker drives the voice coil of diaphragm oscillations including vibrating diaphragm and after being powered, and voice coil leads are provided on voice coil for being electrically connected To flexible circuit board 30.

Flexible circuit board 30 includes towards the upper surface of upper housing 12 34, towards the lower surface of lower case 11 35, and packet Include the first conductive part 31 for being connected with loudspeaker monomer 20, for the second conductive part 32 for being electrically connected of the external world and be used for Connect the interconnecting piece 33 of the first conductive part 31 and the second conductive part 32.Two location holes 311 are opened up on first conductive part 31, under 11 positioning column 1141 of shell is corresponding, for flexible circuit board 30 to be set in positioning column 1141.The company of flexible circuit board 30 Socket part 33 is sticked in the limiting slot 1142 of lower case 11.First conductive part 31 of flexible circuit board 30 is fixedly connected on described raise In the stage portion 23 of sound device monomer 20.The voice coil leads of loudspeaker monomer 20 are welded on the first conductive part 31, the second conductive part 32 with external circuitry for being electrically connected, to realize the electrical connection of loudspeaker.

It please join Fig. 5 to Fig. 6,40 side of bolster is mounted on the interconnecting piece 33 of flexible circuit board 30, the other side and upper casing Body 12 contacts, and the shape size of bolster 40 is arranged according to the 33 correspondingly-shaped size of interconnecting piece of flexible circuit board 30.It is excellent Selection of land, bolster 40 are foam, it is possible to understand that the material on ground, bolster 40 is not limited to foam, can also be had by other slow The material of punching effect is made.

When installation, loudspeaker monomer 20 and flexible circuit board 30 are separately mounted to the container 113 and peace of lower case 11 In tankage 114, meanwhile, the positioning column 1141 of lower case 11 passes through the location hole 311 on flexible circuit board 30, by flexible circuit board 30 are set on positioning column 1141, while the lower surface 35 of flexible circuit board 30 is towards lower case 11, flexible circuit board 30 it is upper Surface 34 is towards upper housing 12, by the limiting slot in the lower surface 35 of the interconnecting piece 33 of flexible circuit board 30 and mounting groove 114 The binders such as 1142 slot bottom glue are bonded together, and foam 40 is placed on the upper surface 34 of interconnecting piece 33.Work as upper housing 12 when being pressure bonded to lower case 11, and flexible circuit board 30 is pressed on the limiting slot 1142 of lower case 11 by foam 40 by upper housing 12 On.It is to be appreciated that the joint face between foam 40 and upper housing 12 and flexible circuit board 30 can be fixed by glue gluing.

Flexible circuit board is compressed the limit in lower case by foam by technical solution provided by the utility model, upper housing In slot, solve the loudspeaker of the prior art since flexible circuit board is longer, without support in shell, and between shell gap compared with The technical issues of small, flexible circuit board is easily shaken in air-flow flow process, generates shell vibration with shell, and due to foam Buffer function, can avoid flexible circuit board pressure break.

It should be noted that institute directional instruction (such as upper and lower, inside and outside, top, bottom in the utility model Portion ...) it is only used for explaining in the relative positional relationship etc. under a certain particular pose (as shown in the picture) between each component, if When the particular pose changes, then directionality instruction also correspondingly changes correspondingly.

Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details On the utility model can be made a variety of changes, be the protection scope of the utility model.

Claims (9)

1. a kind of loudspeaker, including shell, it is housed in the intracorporal loudspeaker monomer of the shell and flexible circuit board, the loudspeaker Monomer is electrically connected with the flexible circuit board, and the shell includes upper housing and lower case, it is characterised in that: the flexible circuit Plate includes the upper surface towards upper housing and the lower surface towards lower case, lower surface and the lower casing of the flexible circuit board Body is adhesively fixed, and bolster is arranged between the upper surface and upper housing of the flexible circuit board, and the upper housing passes through described slow Stamping compresses flexible circuit board in lower case.

2. loudspeaker as described in claim 1, it is characterised in that: open up a limiting slot with bottom, institute in the lower case The a part for stating flexible circuit board is fixed in the limiting slot and the lower surface of the partially flexible circuit board and the limiting slot Bottom bonding.

3. loudspeaker as claimed in claim 2, it is characterised in that: the lower case sets gradually container and mounting groove, institute It states container and is used to accommodate the flexible circuit board and the bolster for accommodating the loudspeaker monomer, the mounting groove, The limiting slot is arranged in the mounting groove.

4. loudspeaker as claimed in claim 3, it is characterised in that: in the mounting groove, adjacent to one end of the container It is provided with positioning column, described container one end is away from and the limiting slot is set, the flexible circuit board corresponds to the position of positioning column Location hole is installed, the positioning column passes through corresponding location hole so that the flexible circuit board to be located in lower case.

5. loudspeaker as described in claim 1, it is characterised in that: the flexible circuit board is led including the first conductive part, second The interconnecting piece in electric portion and connection first conductive part and second conductive part, the bolster are arranged in the interconnecting piece On.

6. loudspeaker as claimed in claim 5, it is characterised in that: the loudspeaker monomer includes opposite with upper housing first Surface and second surface that is opposite with first surface and fitting with lower case, the loudspeaker monomer be equipped with from first surface to Second surface direction is recessed the stage portion to be formed, and the first conductive part of the flexible circuit board is connected to the loudspeaker monomer In stage portion.

7. loudspeaker as claimed in claim 6, it is characterised in that: the loudspeaker monomer be it is rectangular and include four corners, Each corner forms a stage portion.

8. loudspeaker as described in any one of claim 1 to 7, it is characterised in that: the bolster is foam.

9. loudspeaker as described in any one of claim 1 to 7, it is characterised in that: the bolster and the flexible circuit board Upper surface and upper housing between pass through binder be bonded.