CN206629267U

CN206629267U - Loudspeaker module

Info

Publication number: CN206629267U
Application number: CN201720290675.3U
Authority: CN
Inventors: 季顺国; 罗昭昭; 林创平; 郑宁杰
Original assignee: Jiangxi Lian Electronic Ltd By Share Ltd
Current assignee: Jiangxi Lian Electronic Ltd By Share Ltd
Priority date: 2017-03-23
Filing date: 2017-03-23
Publication date: 2017-11-10
Anticipated expiration: 2027-03-23

Abstract

The utility model provides a kind of loudspeaker module, including upper shell, flexible board and lower house, the flexible board includes speaker unit, conductive plate and connecting portion, the inwall of the lower house is provided with line outlet, the line outlet is provided with and deposits glue groove, the side of the upper shell is provided with depressed part, the connecting portion include the first sub- connecting portion and with the second sub- connecting portion, the first sub- connecting portion, fixing hole is equipped with the second sub- connecting portion and the conductive plate, the inwall of the lower house is provided with the fixed column matched with the fixing hole, the side of the lower house is provided with outlet sound mouth.The utility model passes through depressed part and the design for depositing glue groove, so that the back side uniform adhesion of the conductive plate has glue, improve the stability of structure between the conductive plate and the lower house, prevent and air leakage phenomena between the flexible board and the lower house be present, and then improve the stability of the loudspeaker module sealing structure.

Description

Loudspeaker module

Technical field

Electro-acoustic product technical field is the utility model is related to, more particularly to a kind of loudspeaker module.

Background technology

Loudspeaker module as a kind of electronic device that can convert electrical energy into acoustic energy, be widely used in mobile phone, In the mobile terminals such as computer, the sound that the quality of loudspeaker module performance directly affects the mobile terminal apparatus coordinated with it puts effect Fruit, and the design of Sealing Structure of loudspeaker module is most important, the quality of sealing structure directly affects going out for loudspeaker module Acoustic performance.

Existing loudspeaker module includes the upper shell, flexible board and lower house for being sequentially superimposed installation, the sealing behaviour of use Work is after flexible board is fitted on lower house, and gluing behaviour is directly carried out in the upper surface of flexible board and the contact-segment of lower house Make, upper shell and lower house are finally subjected to ultrasonic sealing.

Existing loudspeaker module due to directly carrying out gluing after flexible board is fitted on lower house by the way of, So that flexible board bottom there may be local location without the relatively thin phenomenon of glue or glue-line, easily cause flexibility after long-term use Gas leak phenomenon between plate and lower house be present, and then cause the sealing structure of loudspeaker module insecure.

Utility model content

Based on this, mesh of the present utility model is to provide a kind of sealing structure firm loudspeaker module.

A kind of loudspeaker module, including the upper shell, flexible board and lower house of installation are sequentially superimposed, the flexible board includes Speaker unit, conductive plate and for connect the speaker unit, the conductive plate connecting portion, set on the inwall of the lower house There is line outlet, the line outlet is used to fix the conductive plate, and the line outlet is provided with and deposits glue groove, the side of the upper shell Provided with depressed part, the depressed part is used to extrude the fixed conductive plate, and the connecting portion includes being connected with the speaker unit The first sub- connecting portion and the second sub- connecting portion for being connected with the conductive plate, the first sub- connecting portion, second son are even Fixing hole is equipped with socket part and the conductive plate, the inwall of the lower house is provided with the fixation matched with the fixing hole Post, the side of the lower house are provided with outlet sound mouth.

Above-mentioned loudspeaker module is facilitated the extraction and wiring of the conductive plate, passed through by the design of the line outlet Depressed part and the design for depositing glue groove so that the back side uniform adhesion of the conductive plate has glue, improves the conductive plate The stability of structure between the lower house, it is therefore prevented that air leakage phenomena be present between the flexible board and the lower house, enter And the stability of the loudspeaker module sealing structure is improved, by the design of the depressed part, facilitate operating personnel couple The gluing operation of the conductive plate upper surface, improves the gluing efficiency of operating personnel, passes through the fixing hole and the fixation The design of post, improve the stability of structure between the flexible board and the lower house.

Further, the conductive plate includes conductive body, the positive conductive electrode in the conductive body, conductive negative pole It is more than the length in the outlet portion with located at the outlet portion of the conductive body side, the length for depositing glue groove.

Further, the described first sub- connecting portion includes level board and hang plate, and the inwall of the lower house is provided with ladder Shape pillar, the Ladder type column are used to carry the hang plate.

Further, the length and width of the depressed part is all higher than the length and width for depositing glue groove.

Further, the side of the upper shell is provided with back cavity upper casing, and the side of the lower house is provided with and the back cavity The back cavity lower casing of upper casing matching, the back cavity upper casing and the back cavity lower casing combine to form back cavity passage.

Further, the back cavity lower casing is provided with air equalizer opening.

Further, the drift angle of the lower house is provided with square fixing groove, and the fixing groove is used to fix external electricity Source.

Further, the side of the speaker unit is provided with conducting strip, and the electronics that the conducting strip is used to connect outside is set It is standby.

Further, the inner side of the outlet sound mouth is provided with Air Filter.

Further, the front end of the speaker unit is provided with catch, and the lower house is provided with raised plate, the raised plate For fixing the catch, to prevent the movement of the speaker unit.

Brief description of the drawings

Fig. 1 is the structural representation for the loudspeaker module that the utility model first embodiment provides；

Fig. 2 is the structural representation of upper shell in Fig. 1；

Fig. 3 is the structural representation of flexible board in Fig. 1；

Fig. 4 is the structural representation of lower house in Fig. 1；

Fig. 5 is the structural representation of A in Fig. 1；

Fig. 6 is the top view for the loudspeaker module that the utility model first embodiment provides；

Fig. 7 is the structural representation of B in Fig. 6；

Fig. 8 is the structural representation of the lower house in the loudspeaker module that the utility model second embodiment provides；

Essential element symbol description

Loudspeaker module	100	Upper shell	10
				Flexible board	20	Lower house	30,30a
Deposit glue groove	40	Back cavity upper casing	12
				Depressed part	13	Speaker unit	21
Conductive plate	22	Conductive body	221
				Positive conductive electrode	222	Conductive negative pole	223
Outlet portion	224	Connecting portion	23
				First sub- connecting portion	24	Level board	241
Hang plate	242	Second sub- connecting portion	25
				Fixing hole	29	Line outlet	31
Fixed column	32	Outlet sound mouth	33
				Fixing groove	34	Back cavity lower casing	35
Ladder type column	36	Air equalizer opening	37

Following embodiment will further illustrate the utility model with reference to above-mentioned accompanying drawing.

Embodiment

For the ease of more fully understanding the utility model, the utility model is carried out below in conjunction with related embodiment accompanying drawing It is further explained.Give embodiment of the present utility model in accompanying drawing, but the utility model be not limited in it is above-mentioned preferred Embodiment.Conversely, there is provided the purpose of these embodiments be in order that open face of the present utility model more fully.

Fig. 1 to Fig. 6 is referred to, the utility model first embodiment provides a kind of loudspeaker module 100, including is sequentially superimposed Upper shell 10, flexible board 20 and the lower house 30 of installation, the upper shell 10 and the lower house 30 use " L " shape structure, The lower house 30 is provided with mounting groove, and the mounting groove is used to fix the flexible board 20, and the flexible board 20 includes raising one's voice Unit 21, conductive plate 22 and for connect the speaker unit 21, the conductive plate 22 connecting portion 23, the conductive plate 22 uses In being electrically connected with mobile device so that the loudspeaker module 100 carries out sounding on the mobile apparatus, the lower house 30 it is interior Wall is provided with line outlet 31, and the line outlet 31 uses square structure, and the line outlet 31 is used to drawing and fixing the conduction Plate 22, the line outlet 31 are provided with and deposit glue groove 40, and described deposit is provided with glue in glue groove 40, and the glue groove 40 of depositing is for causing institute The lower surface for stating flexible board 20 is uniformly stained with glue, prevents from existing between the flexible board 20 and the lower house 30 and leaks out Phenomenon, the side of the upper shell 10 are provided with depressed part 13, and the depressed part 13 is used to extrude the fixed conductive plate 22, to carry The stability of structure between the high upper shell 10 and the flexible board 20.

The connecting portion 23 include the first sub- connecting portion 24 for being connected with the speaker unit 21 and with the conductive plate 22 Second sub- connecting portion 25 of connection, screwed hole is equipped with the first sub- connecting portion 24 and the speaker unit 21, so that institute State and adopt nutted mode between the first sub- connecting portion 24 and the speaker unit 21 and fix, the first sub- connecting portion 24th, fixing hole 29 is equipped with the described second sub- connecting portion 25 and the conductive plate 22, the inwall of the lower house 30 is provided with Multiple fixed columns 32 matched with the fixing hole 29, pass through the design of the fixing hole 29 and the fixed column 32, it is therefore prevented that Movement of the flexible board 20 in the lower house 30, the stability of the structure of loudspeaker module 100 is improved, under described The side of housing 30 is provided with outlet sound mouth 33, and the inner side of the outlet sound mouth 33 is provided with Air Filter, and then prevents dust to be raised to described The influence of the sounding performance of sound device module 100.

Fig. 3 and Fig. 7 are referred to, the conductive plate 22 uses square laminated structure, and the conductive plate 22 includes conduction originally Body 221, the positive conductive electrode 222 in the conductive body 221, conductive negative pole 223 and located at the side of conductive body 221 Outlet portion 224, the outlet portion 224 be used for play a part of transition, facilitate the fixation of the flexible board 20, it is described to deposit glue The length of groove 40 is more than the length in the outlet portion 224, so that the bottom in the outlet portion 224 is adhered to by glue completely, and then Prevent between the flexible board 20 and the lower house 30 and air leakage phenomena be present, improve the loudspeaker module 100 and seal The fastness of structure.

Fig. 3 to Fig. 4 is referred to, the first sub- connecting portion 24 includes level board 241 and hang plate 242, the level board 241 are used to fix with the speaker unit 21, and the hang plate 242 is used to fix with the described second sub- connecting portion 25, under described Ladder type column 36 is additionally provided with the inwall of housing 30, the Ladder type column 36 is used to carry the hang plate 242, with described in raising The stability of the structure of flexible board 20, it is therefore prevented that the flexible board 20 rocking on the lower house 30.

The length and width of depressed part 13 described in the present embodiment is all higher than the length and width for depositing glue groove 40, and then Facilitate operating personnel to operate the gluing in the outlet portion 224, improve the gluing efficiency of operating personnel.

The side of the upper shell 10 is provided with back cavity upper casing 12, and the side of the lower house 30 is provided with and the back cavity upper casing The back cavity lower casing 35 of 12 matchings, the back cavity upper casing 12 and the back cavity lower casing 35 combination form back cavity passage, after described The design of chamber passage, improve the sounding performance of the loudspeaker module 100.

Square fixing groove 34 is additionally provided with the drift angle of lower house 30 described in the present embodiment, the fixing groove 34 is used for solid Determine external power supply, to improve the endurance of the loudspeaker module 100, the side of the speaker unit 21 is provided with conducting strip, The conducting strip is used for the electronic equipment for connecting outside, and the front end of the speaker unit 21 is provided with catch, on the lower house 30 Provided with raised plate, the raised plate is used to fix the catch, to prevent the movement of the speaker unit 21.

The sealing flow of the present embodiment is：Gluing operation is first carried out in glue groove 40 in described deposit, then by the flexible board 20 It is fixed on by the fixing hole 29 on the lower house 30, the outlet portion 224 is fastened on the line outlet 31, due to pressure The back side that the glue in glue groove 40 is uniformly adhered to the outlet portion 224 is deposited described in the effect of power, by the upper shell 10 with The lower house 30 carries out carrying out ultrasonic sealing after matching is fixed, eventually through the depressed part 13 to the outlet portion 224 Upper surface carries out gluing sealing, is now uniformly adhered between the flexible board 20 and the upper shell 10, the lower house 30 There is glue, and then prevent the loudspeaker module 100 to produce air leakage phenomena, improve the sealing of loudspeaker module 100 knot The fastness of structure.

The utility model is facilitated the extraction and wiring of the conductive plate 22, passed through by the design of the line outlet 31 Depressed part 13 and the design for depositing glue groove 40 so that the back side uniform adhesion of the conductive plate 22 has glue, improves described The stability of structure between conductive plate 22 and the lower house 30, it is therefore prevented that the flexible board 20 and the upper shell 10, described Air leakage phenomena between lower house 30 be present, and then improve the stability of the sealing structure of loudspeaker module 100, by described The design of depressed part 13, facilitate operating personnel and the gluing of the upper surface of outlet portion 224 is operated, improve operating personnel's Gluing efficiency, by the design of the fixing hole 29 and the fixed column 32, improve the flexible board 20 and the lower house The stability of structure between 30.

Referring to Fig. 8, the structure of the lower house 30a in the loudspeaker module provided for the utility model second embodiment is shown It is intended to, the structure of the second embodiment and first embodiment is more or less the same, and its difference is, back cavity lower casing described in the present embodiment 35 are provided with air equalizer opening 37, and the air equalizer opening 37 is used to prevent from damaging caused by air pressure is excessive in the back cavity passage It is bad.

Air equalizer opening 37 described in the present embodiment uses circular configuration, and the air equalizer opening 37 is by using air pressure pair The mode of stream realizes the stability of air pressure in the back cavity passage, and then by the design of the air equalizer opening 37, improves The service life of the lower house 30a.

Above embodiment described technical principle of the present utility model, these descriptions are intended merely to explain of the present utility model Principle, and the limitation of scope of protection of the utility model can not be construed in any way.Based on explanation herein, the skill of this area Art personnel, which would not require any inventive effort, can associate other embodiments of the present utility model, and these modes are all It will fall into the scope of protection of the utility model.

Claims

1. a kind of loudspeaker module, including sequentially it is superimposed the upper shell, flexible board and lower house of installation, it is characterised in that：It is described Flexible board include speaker unit, conductive plate and for connect the speaker unit, the conductive plate connecting portion, the lower house Inwall be provided with line outlet, the line outlet is used to fix the conductive plate, and the line outlet, which is provided with, deposits glue groove, it is described on The side of housing is provided with depressed part, and the depressed part is used to extrude the fixed conductive plate, and the connecting portion includes raising with described First sub- connecting portion of sound unit connection and the second sub- connecting portion being connected with the conductive plate, the first sub- connecting portion, institute State and fixing hole is equipped with the second sub- connecting portion and the conductive plate, the inwall of the lower house is provided with and the fixing hole The fixed column matched somebody with somebody, the side of the lower house are provided with outlet sound mouth.

2. loudspeaker module according to claim 1, it is characterised in that：The conductive plate includes conductive body, located at institute State positive conductive electrode in conductive body, conductive negative pole and located at the outlet portion of the conductive body side, the length for depositing glue groove Length of the degree more than the outlet portion.

3. loudspeaker module according to claim 1, it is characterised in that：The first sub- connecting portion includes level board and inclined Swash plate, the inwall of the lower house are provided with Ladder type column, and the Ladder type column is used to carry the hang plate.

4. loudspeaker module according to claim 1, it is characterised in that：The length and width of the depressed part is all higher than institute State the length and width for depositing glue groove.

5. loudspeaker module according to claim 1, it is characterised in that：The side of the upper shell is provided with back cavity upper casing, The side of the lower house is provided with the back cavity lower casing matched with the back cavity upper casing, the back cavity upper casing and the back cavity lower casing group Conjunction forms back cavity passage.

6. loudspeaker module according to claim 5, it is characterised in that：The back cavity lower casing is provided with air equalizer opening.

7. loudspeaker module according to claim 1, it is characterised in that：The drift angle of the lower house is provided with square consolidate Determine groove, the fixing groove is used to fix external power supply.

8. loudspeaker module according to claim 1, it is characterised in that：The side of the speaker unit is provided with conducting strip, The conducting strip is used for the electronic equipment for connecting outside.

9. loudspeaker module according to claim 1, it is characterised in that：The inner side of the outlet sound mouth is provided with Air Filter.

10. loudspeaker module according to claim 1, it is characterised in that：The front end of the speaker unit is provided with catch, institute State lower house and be provided with raised plate, the raised plate is used to fix the catch, to prevent the movement of the speaker unit.