CN204131711U - A kind of loud speaker - Google Patents

A kind of loud speaker Download PDF

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Publication number
CN204131711U
CN204131711U CN201420430274.XU CN201420430274U CN204131711U CN 204131711 U CN204131711 U CN 204131711U CN 201420430274 U CN201420430274 U CN 201420430274U CN 204131711 U CN204131711 U CN 204131711U
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China
Prior art keywords
vibrating diaphragm
shell
voice coil
loud speaker
frame
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CN201420430274.XU
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Chinese (zh)
Inventor
张�成
蔡晓东
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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 magnetic circuit system, vibrational system, and for holding the shell of described magnetic circuit system and described vibrational system, wherein, the voice coil loudspeaker voice coil that described vibrational system comprises vibrating diaphragm and combines with described vibrating diaphragm, centring disk is fixedly connected with between described vibrating diaphragm and described shell, described shell is the frame-type structure of injection moulding integrated molding, described vibrating diaphragm is the frame-type structure of the hollow of the mating shapes of shape and described shell, the madial wall of described shell supports and fixing described vibrating diaphragm, and the axial dimension of the madial wall of the lateral wall axial dimension of described vibrating diaphragm and described shell matches, the middle vacancy of described vibrating diaphragm forms container cavity, and described voice coil loudspeaker voice coil and described magnetic circuit system are arranged in the container cavity of described vibrating diaphragm.Loud speaker of the present utility model, good water-proof effect.

Description

A kind of loud speaker
Technical field
The utility model 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.
And loud speaker generally comprises magnetic circuit system and vibrational system, vibrational system comprises vibrating diaphragm, and for holding the shell of described magnetic circuit system and vibrational system, and the shell of existing loud speaker is generally formed by the first shell and second housing two parts fastening.First shell and second housing snap together, and inner formation container cavity, for holding magnetic circuit system and vibrational system.The loud speaker of this structure, the buckling parts of the first shell and second housing easily forms gap, makes the waterproof effect of whole loud speaker bad.
In addition, vibrating diaphragm in existing loud speaker is generally plane diaphragm structure, when plane vibrating diaphragm is installed in shell, the bonded area of vibrating diaphragm and housing interior side-wall is less, when water leaks after the enclosure of loud speaker, bonding gap easily along vibrating diaphragm and housing interior side-wall enters vibrational system and magnetic circuit system inside, and loud speaker entirety is damaged.Therefore, in order to improve the waterproof effect of loud speaker, be necessary to improve existing loadspeaker structure.
Utility model content
Technical problem to be solved in the utility model is: the loud speaker providing a kind of good water-proof effect.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of loud speaker, comprise magnetic circuit system, vibrational system, and for holding the shell of described magnetic circuit system and described vibrational system, wherein, the voice coil loudspeaker voice coil that described vibrational system comprises vibrating diaphragm and combines with described vibrating diaphragm, centring disk is fixedly connected with between described vibrating diaphragm and described shell, described shell is the frame-type structure of injection moulding integrated molding, described vibrating diaphragm is the frame-type structure of the hollow of the mating shapes of shape and described shell, the madial wall of described shell supports and fixing described vibrating diaphragm, and the axial dimension of the madial wall of the lateral wall axial dimension of described vibrating diaphragm and described shell matches, the middle vacancy of described vibrating diaphragm forms container cavity, and described voice coil loudspeaker voice coil and described magnetic circuit system are arranged in the container cavity of described vibrating diaphragm.
Preferably, described shell comprises the frame-type structure surrounded by four side wall of outer shell, and an end of the frame-shaped construction of described shell is connected with the shell end wall of annular, and described shell end wall offers through hole.
Preferably, described vibrating diaphragm is the frame-shaped construction surrounded by four vibrating diaphragm sidewalls.
Preferably, on described shell, injection moulding is provided with electric-conductor, and described electric-conductor is electrically connected with described centring disk, and described centring disk is electrically connected with the voice coil leads of described voice coil loudspeaker voice coil.
Preferably, in described vibrating diaphragm, vacancy is provided with stiffener near the end winding support of described shell end wall.
Preferably, described stiffener and described vibrating diaphragm are pasted and are combined.
Preferably, described shell and described vibrating diaphragm are square.
Preferably, the described centring disk elasticity arm that comprises the ring frame be fixedly connected with described shell, the annular inside casing be fixedly connected with described voice coil loudspeaker voice coil and be connected described ring frame and described annular inside casing.
Preferably, inside described shell end wall, the position of corresponding described stiffener is provided with steel disc, and described steel disc is provided with phonate hole.
After have employed technique scheme, the beneficial effects of the utility model are:
In loud speaker of the present utility model, shell is the frame-type structure of injection moulding integrated molding, described vibrating diaphragm is the frame-type structure of the hollow that shape is consistent with the shape of described shell, the madial wall of described shell supports and fixing described vibrating diaphragm, and the axial dimension of the madial wall of the lateral wall axial dimension of described vibrating diaphragm and described shell matches; The middle vacancy of described vibrating diaphragm forms container cavity, and described voice coil loudspeaker voice coil and described magnetic circuit system are arranged in the container cavity of described vibrating diaphragm.The shell of integrated through injection molding structure taked by loud speaker of the present utility model, prevent shell be divided into two parts in conjunction with time formed gap, make whole loud speaker be not easy into water, good water-proof effect.In addition, the vibrating diaphragm lateral wall area of frame-type structure is larger, the area that the madial wall of the lateral wall and shell that considerably increase vibrating diaphragm is combined, voice coil loudspeaker voice coil and magnetic circuit system are all arranged in the container cavity of vibrating diaphragm, therefore, even if leak in the shell of loud speaker into a small amount of water, this structure of vibrating diaphragm also can enter voice coil loudspeaker voice coil and magnetic circuit system by anti-sealing, ensure that the waterproof effect of loud speaker better.Make loud speaker entirety of the present utility model can play waterproof effect well, effectively prevent loud speaker and be damaged because of water inlet.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Fig. 1 is longitudinal cross-sectional schematic of loud speaker of the present utility model;
Fig. 2 is the plan structure schematic diagram of loud speaker of the present utility model;
Fig. 3 be loud speaker of the present utility model look up structural representation;
Fig. 4 is the detonation configuration schematic diagram of loud speaker of the present utility model;
In figure: 1, shell; 11, side wall of outer shell; 12, shell end wall; 2, vibrating diaphragm; 21, vibrating diaphragm sidewall; 3, centring disk; 31, ring frame; 32, elasticity arm; 33, annular inside casing; 4, stiffener; 5, the first magnetic conductive board; 6, the second magnetic conductive board; 7, the 3rd magnetic conductive board; 8, the first magnet; 9, the second magnet; 10, voice coil loudspeaker voice coil; 20, steel disc; 30, phonate hole.
Embodiment
Fig. 1 is longitudinal cross-sectional schematic of loud speaker of the present utility model; Fig. 2 is the plan structure schematic diagram of loud speaker of the present utility model; Fig. 3 be loud speaker of the present utility model look up structural representation; Fig. 4 is the detonation configuration schematic diagram of loud speaker of the present utility model.
With reference to accompanying drawing 1, Fig. 2, Fig. 3 and Fig. 4, a kind of loud speaker, comprises in shell 1, shell 1 and contains vibrational system and magnetic circuit system.
Wherein, magnetic circuit system comprises the first magnet 8 be fixedly installed on the first magnetic conductive board 5, the arranged outside of the first magnet 8 has the second magnet 9 and outer magnetic conductive board, and outer magnetic conductive board comprises two independent magnetic conductive boards, i.e. the second magnetic conductive board 6 of ring-type and flat 3rd magnetic conductive board 7.
The voice coil loudspeaker voice coil 10 that vibrational system comprises vibrating diaphragm 2 and combines with vibrating diaphragm 2, centring disk 3 is fixedly connected with between vibrating diaphragm 2 and shell 1, shell 1 is the frame-type structure of injection moulding integrated molding, vibrating diaphragm 2 is the frame-type structure of the hollow of the mating shapes of shape and shell 1, the madial wall of shell 1 supports and fixes vibrating diaphragm 2, and the axial dimension of the madial wall of the lateral wall axial dimension of vibrating diaphragm 2 and shell 1 matches; The middle vacancy of vibrating diaphragm 2 forms container cavity, and voice coil loudspeaker voice coil 10 and magnetic circuit system are arranged in the container cavity of vibrating diaphragm 2.
Shell 1 comprises the frame-type structure surrounded by four side wall of outer shell 11, and an end of the frame-shaped construction of shell 1 is connected with the shell end wall 12 of annular, and shell end wall 12 offers through hole.
Vibrating diaphragm 2 is the frame-shaped construction surrounded by four vibrating diaphragm sidewalls 21.
On shell 1, injection moulding is provided with electric-conductor (not shown), and electric-conductor is electrically connected with centring disk 3, and centring disk 3 is electrically connected with the voice coil leads of voice coil loudspeaker voice coil 10.
The middle vacancy of vibrating diaphragm 2 is provided with stiffener 4 near the end winding support of shell end wall 12.In the present embodiment, stiffener 4 and vibrating diaphragm 2 are pasted and are combined, and junction does not have gap, is not easy into water.
In the present embodiment, shell 1 and vibrating diaphragm 2 are square.Certainly, shell 1 and vibrating diaphragm 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.
The elasticity arm 32 that centring disk 3 comprises the ring frame 31 be fixedly connected with shell 1, the annular inside casing 33 be fixedly connected with voice coil loudspeaker voice coil 10 and is connected ring frame 31 and annular inside casing 33.Four elasticity arms that elasticity arm 32 is oppositely arranged along the outer periphery of annular inside casing 33.
Inside shell end wall 12, the position of corresponding stiffener 4 is provided with steel disc 20, and steel disc 20 is provided with phonate hole 30.The thickness of shell end wall 12 can be reduced like this, shell 1 just can be made to reach required intensity.
Loud speaker of the present utility model, takes the shell 1 of integrated through injection molding structure, prevent shell 1 be divided into two parts in conjunction with time formed gap, make whole loud speaker be not easy into water, good water-proof effect.In addition, the vibrating diaphragm 2 lateral wall area of frame-type structure is larger, the area that the lateral wall considerably increasing vibrating diaphragm 2 is combined with the madial wall of shell 1, voice coil loudspeaker voice coil 10 and magnetic circuit system are all arranged in the container cavity of vibrating diaphragm 2, therefore, even if leak in the shell of loud speaker 1 into a small amount of water, this structure of vibrating diaphragm 2 also can enter voice coil loudspeaker voice coil 10 and magnetic circuit system by anti-sealing, ensure that the waterproof effect of loud speaker better.Make loud speaker entirety of the present utility model can play waterproof effect well, effectively prevent loud speaker and be damaged because of water inlet.
In loud speaker in the utility model, shell and vibrating diaphragm adopt the shell 1 of said structure and the structure of vibrating diaphragm 2.Remaining structure of loud speaker is not limited to above-mentioned structure, as long as the shell in loud speaker and vibrating diaphragm take above-mentioned shell 1 and the structure of vibrating diaphragm 2, 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 (9)

1. a loud speaker, comprise magnetic circuit system, vibrational system, and for holding the shell of described magnetic circuit system and described vibrational system, wherein, the voice coil loudspeaker voice coil that described vibrational system comprises vibrating diaphragm and combines with described vibrating diaphragm, centring disk is fixedly connected with between described vibrating diaphragm and described shell, it is characterized in that: described shell is the frame-type structure of injection moulding integrated molding, described vibrating diaphragm is the frame-type structure of the hollow of the mating shapes of shape and described shell, the madial wall of described shell supports and fixing described vibrating diaphragm, and the axial dimension of the madial wall of the lateral wall axial dimension of described vibrating diaphragm and described shell matches, the middle vacancy of described vibrating diaphragm forms container cavity, and described voice coil loudspeaker voice coil and described magnetic circuit system are arranged in the container cavity of described vibrating diaphragm.
2. loud speaker as claimed in claim 1, is characterized in that: described shell comprises the frame-type structure surrounded by four side wall of outer shell, and an end of the frame-shaped construction of described shell is connected with the shell end wall of annular, and described shell end wall offers through hole.
3. loud speaker as claimed in claim 2, is characterized in that: described vibrating diaphragm is the frame-shaped construction surrounded by four vibrating diaphragm sidewalls.
4. loud speaker as claimed in claim 1, it is characterized in that: on described shell, injection moulding is provided with electric-conductor, described electric-conductor is electrically connected with described centring disk, and described centring disk is electrically connected with the voice coil leads of described voice coil loudspeaker voice coil.
5. loud speaker as claimed in claim 2, is characterized in that: in described vibrating diaphragm, vacancy is provided with stiffener near the end winding support of described shell end wall.
6. loud speaker as claimed in claim 5, is characterized in that: described stiffener and described vibrating diaphragm are pasted and combined.
7. the loud speaker as described in any one of claim 1 to 6, is characterized in that: described shell and described vibrating diaphragm are square.
8. loud speaker as claimed in claim 7, is characterized in that: the elasticity arm that described centring disk comprises the ring frame be fixedly connected with described shell, the annular inside casing be fixedly connected with described voice coil loudspeaker voice coil and is connected described ring frame and described annular inside casing.
9. loud speaker as claimed in claim 5, is characterized in that: inside described shell end wall, the position of corresponding described stiffener is provided with steel disc, and described steel disc is provided with phonate hole.
CN201420430274.XU 2014-07-31 2014-07-31 A kind of loud speaker Active CN204131711U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420430274.XU CN204131711U (en) 2014-07-31 2014-07-31 A kind of loud speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420430274.XU CN204131711U (en) 2014-07-31 2014-07-31 A kind of loud speaker

Publications (1)

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CN204131711U true CN204131711U (en) 2015-01-28

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106535070A (en) * 2016-12-28 2017-03-22 歌尔股份有限公司 Micro sounder
CN107800457A (en) * 2016-11-04 2018-03-13 广东欧珀移动通信有限公司 Mobile terminal
CN108289273A (en) * 2018-03-28 2018-07-17 深圳倍声声学技术有限公司 A kind of diaphragm and receiver
WO2019010726A1 (en) * 2017-07-10 2019-01-17 歌尔股份有限公司 Sounding device
CN109996155A (en) * 2017-12-31 2019-07-09 宁波升亚电子有限公司 Loudspeaker and its bullet wave and application
WO2022206013A1 (en) * 2021-03-31 2022-10-06 歌尔股份有限公司 Sound generating device and smart watch

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107800457A (en) * 2016-11-04 2018-03-13 广东欧珀移动通信有限公司 Mobile terminal
CN106535070A (en) * 2016-12-28 2017-03-22 歌尔股份有限公司 Micro sounder
WO2019010726A1 (en) * 2017-07-10 2019-01-17 歌尔股份有限公司 Sounding device
CN109996155A (en) * 2017-12-31 2019-07-09 宁波升亚电子有限公司 Loudspeaker and its bullet wave and application
CN108289273A (en) * 2018-03-28 2018-07-17 深圳倍声声学技术有限公司 A kind of diaphragm and receiver
WO2019184152A1 (en) * 2018-03-28 2019-10-03 深圳倍声声学技术有限公司 Diaphragm and receiver
WO2022206013A1 (en) * 2021-03-31 2022-10-06 歌尔股份有限公司 Sound generating device and smart watch

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C56 Change in the name or address of the patentee
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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.