CN204231661U - A kind of loud speaker - Google Patents

A kind of loud speaker Download PDF

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Publication number
CN204231661U
CN204231661U CN201420719108.1U CN201420719108U CN204231661U CN 204231661 U CN204231661 U CN 204231661U CN 201420719108 U CN201420719108 U CN 201420719108U CN 204231661 U CN204231661 U CN 204231661U
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China
Prior art keywords
protecgulum
rubber fabric
shell
loud speaker
fixed
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CN201420719108.1U
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Chinese (zh)
Inventor
朱跃光
王超
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Goertek Inc
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Goertek Inc
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Abstract

The utility model discloses a kind of loud speaker, comprise auxiliary system, magnetic circuit system and vibrational system, described auxiliary system comprises protecgulum and shell, the madial wall of described shell extends the fixed part be provided with for fixing described protecgulum to the inside, edge part on described protecgulum medial surface is provided with contoured rubber fabric, fixed part inside described shell is just suitable to the shape of the shape of described rubber fabric position and the rubber fabric of described protecgulum, and described protecgulum is bonded by the fixed part inside described rubber fabric and described shell.Loud speaker of the present utility model, when reaching waterproof effect, increases the utilized space of inner chamber.

Description

A kind of loud speaker
Technical field
The utility model relates to electro-acoustic product technical field, specifically, relates to a kind of loud speaker.
Background technology
Loud speaker is indispensable acoustic element in electro-acoustic product, for converting electrical energy into acoustic energy, common electro-acoustic product has mobile phone, panel computer etc., along with the progress of science and technology and the raising of user's request, require that the electro-acoustic product such as mobile phone, panel computer has better water resistance, this just requires that loud speaker has good water resistance.
Fig. 1 is the sectional structure schematic diagram of existing loud speaker; With reference to Fig. 1, existing loud speaker generally comprises auxiliary system, magnetic circuit system and vibrational system, auxiliary system generally comprises protecgulum and shell, shell and protecgulum surround loud speaker inner chamber, loud speaker inner chamber is for holding magnetic circuit system and vibrational system, the madial wall of shell extends the fixed part be provided with for fixing protecgulum to the inside, edge part on protecgulum medial surface is flat rubber fabric, flat rubber fabric carries out gluing, protecgulum is bonded by the fixed part inside rubber fabric and shell, reaches the effect of water-tight.But the loud speaker of this structure, the width of the annular rubber fabric on protecgulum medial surface needs to reach more than 0.7mm, the fixed part bonding inside protecgulum and shell just can be made firm, reach waterproof Expected Results.Like this, just require that the width of the fixed part inside shell also will reach more than 0.7mm, and the width of fixed part inside shell is comparatively large, will take the space of loud speaker inner chamber, reduce the utilized space of loud speaker inner chamber, make the space utilization of loud speaker inner chamber insufficient.
Utility model content
Technical problem to be solved in the utility model is: providing a kind of when reaching waterproof effect, increasing the loud speaker in the utilized space of inner chamber.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of loud speaker, comprise auxiliary system, magnetic circuit system and vibrational system, described auxiliary system comprises protecgulum and shell, the madial wall of described shell extends the fixed part be provided with for fixing described protecgulum to the inside, edge part on described protecgulum medial surface is provided with contoured rubber fabric, fixed part inside described shell is just suitable to the shape of the shape of described rubber fabric position and the rubber fabric of described protecgulum, and described protecgulum is bonded by the fixed part inside described rubber fabric and described shell.
Preferably, described vibrational system comprises vibrating diaphragm, and described vibrating diaphragm comprises location division, and described location division is fixed between described protecgulum and described shell; Described location division is corresponding with described protecgulum rubber fabric shape.
Preferably, described rubber fabric undulate.
Preferably, described rubber fabric is stepped.
Preferably, described rubber fabric is inverted steps shape.
Preferably, the linear width of described rubber fabric is less than 0.7mm.
After have employed technique scheme, the beneficial effects of the utility model are:
Loud speaker of the present utility model, rubber fabric is fluctuating shape, inside shell for the fixed part of fixing protecgulum also in fluctuating shape, and rubber fabric lug boss place is just to the recess place of the fixed part inside shell, the recess place of rubber fabric, just to the lug boss place of the fixed part inside shell, makes the fixed part inside rubber fabric and shell fit together well and bonds.Relative to the rubber fabric of identical linear width, contoured rubber fabric can increase the surface area of rubber fabric effectively, also just effectively increases the bond area of the fixed part inside rubber fabric and shell.Therefore, after loud speaker of the present utility model adopts contoured rubber fabric, when the linear width of rubber fabric is less than 0.7mm, reaches the bonding strength of needs when the fixed part inside rubber fabric and shell just can be made to bond, effectively play the effect of water-tight.Therefore, compared to existing loud speaker, in loud speaker of the present utility model, the rubber fabric of protecgulum can take relatively little width, makes also can take relatively little width for the fixed part fixed with rubber fabric inside shell.The space of the loud speaker inner chamber taken with regard to the fixed part efficiently reduced inside shell like this, relatively increases the utilized space of loud speaker inner chamber.The space of loud speaker inner chamber is fully utilized.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Fig. 1 is the sectional structure schematic diagram of existing loud speaker;
Fig. 2 is the main TV structure schematic diagram of loudspeaker embodiment one of the present utility model;
Fig. 3 is the plan structure schematic diagram of Fig. 2;
Fig. 4 is the sectional structure schematic diagram of loudspeaker embodiment one of the present utility model;
Fig. 5 is the detonation configuration schematic diagram of loudspeaker embodiment one of the present utility model;
Fig. 6 is the sectional structure schematic diagram of loudspeaker embodiment two of the present utility model;
Fig. 7 is the sectional structure schematic diagram of loudspeaker embodiment three of the present utility model;
In figure: 1, shell; 11, fixed part; 2, protecgulum; 21, rubber fabric; 3, vibrating diaphragm; 31, location division; 4, stiffener; 5, voice coil loudspeaker voice coil; 6, center washer; 7, centring magnet; 8, limit washer; 9, limit magnet; 10, electrical connector.
Embodiment
Embodiment one
Fig. 2 is the main TV structure schematic diagram of loudspeaker embodiment one of the present utility model; Fig. 3 is the plan structure schematic diagram of Fig. 2; Fig. 4 is the sectional structure schematic diagram of loudspeaker embodiment one of the present utility model; Fig. 5 is the detonation configuration schematic diagram of loudspeaker embodiment one of the present utility model.
With reference to accompanying drawing 2, Fig. 3, Fig. 4 and Fig. 5, a kind of loud speaker, comprise auxiliary system, magnetic circuit system and vibrational system, auxiliary system comprises protecgulum 2 and shell 1, the madial wall of shell 1 extends the fixed part 11 be provided with for fixing protecgulum 2 to the inside, edge part on protecgulum 2 medial surface is provided with contoured rubber fabric 21, fixed part 11 inside shell 1 is just suitable to the shape of the shape of rubber fabric 21 position and the rubber fabric 21 of protecgulum 2, rubber fabric 21 on protecgulum 2 bonds with the fixed part 11 inside shell 1, protecgulum 2 and shell 1 are combined, surround the loud speaker inner chamber for accommodating magnetic circuit system and vibrational system.
The loud speaker of the present embodiment, rubber fabric 21 on protecgulum 2 is staggered is provided with lug boss and recess, form contoured rubber fabric, in the present embodiment, rubber fabric undulate, lug boss and recess is provided with for the fixed part 11 of fixing protecgulum 2 is also staggered inside shell 1, form contoured fixed part, in the present embodiment, fixed part undulate in shell 1, and rubber fabric 21 lug boss place is just to the recess place of the fixed part 11 inside shell 1, the recess place of rubber fabric 21 is just to the lug boss place of the fixed part 11 inside shell 1, rubber fabric 21 is fit together well with the fixed part 11 inside shell 1 bond.In the present embodiment, the linear width of rubber fabric 21 is less than in 0.7mm Fig. 5, and magnetic circuit system comprises centring magnet 7, and the both sides of centring magnet 7 are provided with limit magnet 9, centring magnet 7 are provided with center washer 6, and limit magnet 9 is provided with limit washer 8.The voice coil loudspeaker voice coil 5 that vibrational system comprises vibrating diaphragm 3 and combines with vibrating diaphragm 3, vibrational system also comprises electrical connector 10, vibrating diaphragm 3 is combined with the stiffener 4 for strengthening vibrating diaphragm intensity.Vibrating diaphragm 3 comprises location division 31, and location division 31 is fixed between protecgulum 2 and shell 1; Location division 31 also in fluctuating shape, and with the rubber fabric 21 shape Corresponding matching of protecgulum 2.
Certainly, magnetic circuit system and vibrational system also can take other structure, such as magnetic circuit system can take following structure: magnetic circuit system comprises internal magnet and interior washer, is arranged with the external magnet of ring-type around internal magnet, is arranged with the outer washer of ring-type around interior washer.The utility model does not limit magnetic circuit system and which kind of structure is vibrational system take; magnetic circuit system and the vibrational system of which kind of structure is taked regardless of loud speaker; as long as the rubber fabric of protecgulum is fluctuating shape; be fluctuating shape for the fixed part of fixing protecgulum inside shell, just fall into protection range of the present utility model.
In the present embodiment, shell 1 and protecgulum 2 are square.Certainly, shell 1 and protecgulum 2 are not limited to square, and those skilled in the art can make distortion completely accordingly, and its distressed structure made all falls within protection range of the present utility model.
Embodiment two
Fig. 6 is the sectional structure schematic diagram of loudspeaker embodiment two of the present utility model.
With reference to Fig. 6, the loadspeaker structure of embodiment two is substantially identical with the loadspeaker structure of embodiment one, and difference is: the rubber fabric 21 on protecgulum 2 is stepped.Rubber fabric 21 on protecgulum 2 is arranged to trapezoidal, the degree of depth at recess place on protecgulum 2 can be reduced, reduce the manufacture difficulty of protecgulum 2.
Embodiment three
Fig. 7 is the sectional structure schematic diagram of loudspeaker embodiment three of the present utility model.
With reference to Fig. 7, the loadspeaker structure of embodiment three is substantially identical with the loadspeaker structure of embodiment one, and difference is: rubber fabric 21 is in inverted steps shape.Rubber fabric 21 on protecgulum 2 is arranged to inverted trapezoidal, the degree of depth at recess place on protecgulum 2 can be reduced, reduce the manufacture difficulty of protecgulum 2.
Loud speaker of the present utility model, rubber fabric 21 on protecgulum 2 is in fluctuating shape, inside shell 1 for the fixed part 11 of fixing protecgulum 2 also in fluctuating shape, and rubber fabric 21 lug boss place is just to the recess place of the fixed part 11 inside shell 1, the recess place of rubber fabric 21, just to the lug boss place of the fixed part 11 inside shell 1, makes rubber fabric 21 fit together well with the fixed part 11 inside shell 1 and bonds.Relative to the rubber fabric 21 of identical linear width, contoured rubber fabric 21 can increase the surface area of rubber fabric 21 effectively, also just effectively increases the bond area of the fixed part 11 inside rubber fabric 21 and shell 1.Therefore, after protecgulum 2 in loud speaker of the present utility model adopts contoured rubber fabric 21, the linear width of rubber fabric 21 is when being less than 0.7mm, reach the bonding strength of needs when rubber fabric 21 just can be made to bond with the fixed part 11 inside shell 1, effectively play the effect of water-tight.Therefore, compared to existing loud speaker, in loud speaker of the present utility model, the rubber fabric 21 of protecgulum 2 can take relatively little width, makes also can take relatively little width for the fixed part 11 fixing with rubber fabric 21 inside shell 1.So just efficiently reduce the space of the loud speaker inner chamber that the fixed part 11 inside shell 1 takies, relatively increase the utilized space of loud speaker inner chamber.The space of loud speaker inner chamber is fully utilized.
Loud speaker of the present utility model, in the loud speaker in the utility model, protecgulum 2 and shell 1 adopt the protecgulum 2 of said structure and the structure of shell 1.Remaining structure of loud speaker is not limited to above-mentioned structure, as long as the protecgulum in loud speaker 2 and shell 1 take above-mentioned protecgulum 2 and the structure of shell 1, and what structure no matter the remainder of loud speaker take, and all falls within protection range of the present utility model.
The above is the citing of the utility model preferred forms, and the part wherein do not addressed in detail is the common practise of those of ordinary skill in the art.Protection range of the present utility model is as the criterion with the content of claim, and any equivalent transformation carried out based on technology enlightenment of the present utility model, also within protection range of the present utility model.

Claims (6)

1. a loud speaker, comprise auxiliary system, magnetic circuit system and vibrational system, described auxiliary system comprises protecgulum and shell, the madial wall of described shell extends the fixed part be provided with for fixing described protecgulum to the inside, it is characterized in that: the edge part on described protecgulum medial surface is provided with contoured rubber fabric, fixed part inside described shell is just suitable to the shape of the shape of described rubber fabric position and the rubber fabric of described protecgulum, and described protecgulum is bonded by the fixed part inside described rubber fabric and described shell.
2. loud speaker as claimed in claim 1, it is characterized in that: described vibrational system comprises vibrating diaphragm, described vibrating diaphragm comprises location division, and described location division is fixed between described protecgulum and described shell; Described location division is corresponding with described protecgulum rubber fabric shape.
3. loud speaker as claimed in claim 1, is characterized in that: described rubber fabric undulate.
4. loud speaker as claimed in claim 1, is characterized in that: described rubber fabric is stepped.
5. loud speaker as claimed in claim 1, is characterized in that: described rubber fabric is inverted steps shape.
6. the loud speaker as described in any one of claim 1 to 5, is characterized in that: the linear width of described rubber fabric is less than 0.7mm.
CN201420719108.1U 2014-11-25 2014-11-25 A kind of loud speaker Active CN204231661U (en)

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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016169253A1 (en) * 2015-04-20 2016-10-27 歌尔声学股份有限公司 Speaker device
CN106954149A (en) * 2017-03-21 2017-07-14 歌尔股份有限公司 Minitype acoustic generator
CN107820192A (en) * 2017-09-22 2018-03-20 瑞声光电科技(常州)有限公司 The manufacture method of protecgulum and protecgulum
CN110267177A (en) * 2019-06-29 2019-09-20 瑞声科技(新加坡)有限公司 Loudspeaker
CN110582046A (en) * 2019-09-29 2019-12-17 歌尔股份有限公司 Waterproof sensor encapsulation, sensor and electronic equipment

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016169253A1 (en) * 2015-04-20 2016-10-27 歌尔声学股份有限公司 Speaker device
US10291997B2 (en) 2015-04-20 2019-05-14 Goertek Inc. Speaker device
CN106954149A (en) * 2017-03-21 2017-07-14 歌尔股份有限公司 Minitype acoustic generator
CN106954149B (en) * 2017-03-21 2019-10-08 歌尔股份有限公司 Minitype acoustic generator
CN107820192A (en) * 2017-09-22 2018-03-20 瑞声光电科技(常州)有限公司 The manufacture method of protecgulum and protecgulum
CN107820192B (en) * 2017-09-22 2020-03-24 瑞声光电科技(常州)有限公司 Front cover and method for manufacturing front cover
CN110267177A (en) * 2019-06-29 2019-09-20 瑞声科技(新加坡)有限公司 Loudspeaker
WO2021000095A1 (en) * 2019-06-29 2021-01-07 瑞声声学科技(深圳)有限公司 Loudspeaker
CN110582046A (en) * 2019-09-29 2019-12-17 歌尔股份有限公司 Waterproof sensor encapsulation, sensor and electronic equipment

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C14 Grant of patent or utility model
CP01 Change in the name or title of a patent holder

Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268

Patentee after: Goertek Inc.

Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268

Patentee before: Goertek Inc.

C56 Change in the name or address of the patentee