CN203708470U - Mini loudspeaker - Google Patents
Mini loudspeaker Download PDFInfo
- Publication number
- CN203708470U CN203708470U CN201320867688.4U CN201320867688U CN203708470U CN 203708470 U CN203708470 U CN 203708470U CN 201320867688 U CN201320867688 U CN 201320867688U CN 203708470 U CN203708470 U CN 203708470U
- Authority
- CN
- China
- Prior art keywords
- conductive arm
- voice coil
- shell fragment
- shell
- springs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000007769 metal material Substances 0.000 claims abstract description 4
- 239000012634 fragment Substances 0.000 claims description 48
- 238000005452 bending Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 238000004026 adhesive bonding Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000012467 final product Substances 0.000 description 2
- 238000012536 packaging technology Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a mini loudspeaker, comprising a vibration system, a magnetic circuit system, and a housing. The vibration system comprises a vibrating diaphragm and a voice coil combined with a side of the vibrating diaphragm, and also comprises conductive springs electrically connected with the voice coil. The conductive spring is made of a metal material. The housing comprises a bottom wall on the bottom surface and side walls on side surfaces. The springs are clamped and combined with the side walls of the springs and the bottom wall. The side walls and the bottom are provided with holding grooves holding the springs. The side surfaces of the springs are provided with tenons in a raised manner. The tenons and the inner side walls of the holding grooves are in interference fit. In the cooperation structure of the springs and the housing, the springs and the housing can be fixed and combined just by a clamping method, so assembling process is simple, and soundness and stability of the combination are relatively good, effectively preventing the springs from falling off from the housing, etc.
Description
Technical field
The utility model relates to electro-acoustic product technical field, particularly a kind of Microspeaker.
Background technology
Microspeaker generally includes vibrational system at present, magnetic circuit system, and accommodate the shell of fixing vibrational system and magnetic circuit system, and wherein, vibrational system comprises vibrating diaphragm and the voice coil loudspeaker voice coil that is incorporated into vibrating diaphragm one side, magnetic circuit system forms the magnetic gap of accommodating voice coil loudspeaker voice coil.The shell fragment that also comprises electrical connection voice coil loudspeaker voice coil and external circuit, the mode that traditional structure shell fragment is combined with shell has two kinds: the one, mode and the shell adhesive bond of employing gluing, the 2nd, shell fragment is combined with shell injection moulding.The structure of being combined with shell gluing for shell fragment, when voice coil leads and shell fragment stitch bonds, temperature is conventionally more than 200 °, and because the transient energy of spot welding is very large, the glue between shell fragment and shell melts, and causes shell fragment to subside, and it is bad that shell fragment becomes flexible, comes off etc.And the structure that shell fragment is combined with shell injection moulding, opening period is long, and expense is high, and injection parameters and product quality are difficult to management and control, are unfavorable for simplifying the mounting process of shell fragment.Therefore, be necessary the Microspeaker of this structure to improve, to avoid above-mentioned defect.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of Microspeaker, can improve fastness and stability that shell fragment is combined with shell, and simplifies the packaging technology of shell fragment.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of Microspeaker, involving vibrations system, magnetic circuit system, and accommodate the shell of fixing described vibrational system and described magnetic circuit system, described vibrational system comprises vibrating diaphragm and the voice coil loudspeaker voice coil that is incorporated into vibrating diaphragm one side, wherein, also comprise the electroconductive elastic sheet being electrically connected with described voice coil loudspeaker voice coil, described electroconductive elastic sheet is metal material; Described shell comprises the diapire that is positioned at bottom surface and the sidewall that is positioned at side, and described shell fragment buckle is incorporated on the sidewall and diapire of described shell fragment; Described sidewall and diapire are provided with the accepting groove of accommodating described shell fragment, and the side of described shell fragment is protruded and is provided with trip, the madial wall interference fit of described trip and described accepting groove.
In addition, preferred scheme is, described shell fragment is the structure of bending, comprises the first conductive arm, the 3rd conductive arm being oppositely arranged with described the first conductive arm, and connect the second conductive arm of described the first conductive arm and described the 3rd conductive arm; Described side wall of outer shell comprises the madial wall that is positioned at medial surface and the lateral wall that is positioned at lateral surface, described the first conductive arm and described madial wall corresponding matching, described the second conductive arm and described diapire corresponding matching, described the 3rd conductive arm and described lateral wall corresponding matching.
In addition, preferred scheme is that described the first conductive arm and described the 3rd conductive arm are provided with described trip, the accepting groove interference fit that described trip arranges with corresponding the first conductive arm and the 3rd conductive arm.
In addition, preferably scheme is, described the second conductive arm is provided with and protrudes the locating piece arranging, and on described shell, just the position to described locating piece is provided with location notch.
In addition, preferred scheme is that the lead-in wire of described voice coil loudspeaker voice coil is electrically connected with described the 3rd conductive arm.
In addition, preferred scheme is that the degree of depth of described accepting groove depression is greater than the thickness of described shell fragment.
Adopt after technique scheme, compared with traditional structure, the sidewall of the utility model shell fragment and shell and diapire corresponding matching, shell is provided with the accepting groove of accommodating shell fragment, and shell fragment is provided with trip, the accepting groove interference fit on trip and shell; The fit structure of this shell fragment and shell, shell fragment and shell only get final product secure bond by the mode of buckle, assembly technology is simple, and the fastness of combination and stability better, can effectively avoid shell fragment to come off etc. from shell bad.
Brief description of the drawings
By below in conjunction with accompanying drawing, the utility model being described, above-mentioned feature of the present utility model and technological merit will become apparent and easily understand.
Fig. 1 is the stereo decomposing structural representation of the utility model Microspeaker;
Fig. 2 is the perspective view of the utility model Microspeaker;
Fig. 3 is the perspective view of the utility model shell fragment.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is done to further detailed description.
As shown in Figure 1 to Figure 3, Microspeaker involving vibrations system and magnetic circuit system, wherein, vibrational system comprises vibrating diaphragm 21 and is incorporated into the voice coil loudspeaker voice coil 22 of vibrating diaphragm 21 1 sides; Magnetic circuit system forms the magnetic gap of accommodating voice coil loudspeaker voice coil 22, comprises washer 31, magnet 32 and the basin frame 33 of combination successively; Shell 1 is accommodated fixing vibrational system and magnetic circuit system.Also comprise the electroconductive elastic sheet 4 of electrical connection voice coil loudspeaker voice coil 22 and external circuit, shell fragment 4 is the metal material of conduction.Voice coil loudspeaker voice coil 22 is connected stressed up-down vibration in the magnetic field forming at magnetic circuit system after the signal of telecommunication, further drives vibrating diaphragm 21 generation of vibration sound.
Shell fragment 4 is two, is fixed on two bights of shell 1, and shell 1 comprises the madial wall that is positioned at shell 1 inner side, is positioned at the diapire of shell 1 bottom, and is positioned at the lateral wall of shell 1 lateral surface, and shell fragment 4 is approximately U-shaped structure, is snapped on shell 1.Wherein, shell fragment 1 comprises the first conductive arm 41, three conductive arm 43 relative with the first conductive arm 41, connect the second conductive arm 42 of the first conductive arm 41 and the 3rd conductive arm 43, the first conductive arm 41 correspondences are incorporated on the madial wall of shell 1, the second conductive arm 42 correspondences are incorporated on the diapire of shell 1, and the 3rd conductive arm 43 correspondences are incorporated on the lateral wall of shell 1.Shell 1 is provided with the accepting groove that holds shell fragment 4 corresponding to the position of shell fragment 4, as shown in Figure 1, accepting groove 11 correspondences are held the second conductive arm 42, and accepting groove 12 correspondences are held the 3rd conductive arm 43, and wherein accepting groove 11 and accepting groove 12 are the structure of groove shape; Madial wall one side is also provided with the accepting groove that holds the first conductive arm 41, and illustrated angle does not show.
Preferably, the first conductive arm 41 is provided with trip 410, the three conductive arms 43 and is provided with trip 430, and as shown in Figure 3, trip 410 and trip 430 are arranged at conductive arm side, are the hook-shaped structure that protrudes from conductive arm body; Trip 410 and trip 430 are combined with the madial wall buckle of accepting groove, and as shown in Figure 2, trip 430 is snapped on the madial wall of accepting groove 12.Preferably, the madial wall interference fit of trip 410, trip 430 and accepting groove.The structure of this trip 410, trip 430 and accepting groove interference fit, can make shell fragment 4 only can firmly coordinate with shell 1 by buckle mode, do not need by operations such as gluings, thereby simplify the packaging technology of product, and can make the combination of shell fragment 4 and shell 1 firm stable, avoid occurring that shell fragment 4 subsides, comes off etc. bad.
Preferably, the edge of the second conductive arm 42 is also provided with locating piece 420, on shell 1 diapire, just the position of locating piece 420 is provided with to location notch 110, the particular location that can limit shell fragment 4 that coordinates by locating piece 420 with location notch 110.
In addition, the lead-in wire 221 of the utility model voice coil loudspeaker voice coil 22 is electrically connected with the 3rd conductive arm 43 of shell fragment 4.Preferably; the degree of depth that accepting groove 12 caves in is greater than the thickness of the 3rd conductive arm 43; this structure; after the lead-in wire 221 of voice coil loudspeaker voice coil 22 is combined by modes such as spot welding with the 3rd conductive arm 43; lead-in wire 221 and solder joint can not protrude from the plane at the lateral wall place of shell 1; thereby can protect solder joint, and can not increase the size of Microspeaker.
The utility model, shell fragment 4 is the structure (being approximately U-shaped structure) of bending, the first conductive arm 41, the second conductive arm 42 and the 3rd conductive arm 43 respectively with three face corresponding matching of shell 1, relative the first conductive arm 41 and the 3rd conductive arm 43 are provided with trip, the accepting groove interference fit on trip and shell 1.The fit structure of this shell fragment 4 and shell 1, shell fragment 4 only gets final product secure bond by the mode of buckle with shell 1, compare with the structure that shell fragment, shell are combined by gluing or injection moulding, assembly technology is simple, and shell fragment 4 is better with fastness and the stability of shell 1 combination, can effectively avoid shell fragment 4 to come off etc. from shell 1 bad.
Under above-mentioned instruction of the present utility model; those skilled in the art can carry out other improvement and distortion on the basis of above-described embodiment; and these improvement and distortion; all drop in protection range of the present utility model; those skilled in the art should be understood that; above-mentioned specific descriptions are just better explained the purpose of this utility model, and protection range of the present utility model is limited by claim and equivalent thereof.
Claims (6)
1. a Microspeaker, involving vibrations system, magnetic circuit system, and accommodate the shell of fixing described vibrational system and described magnetic circuit system, and described vibrational system comprises vibrating diaphragm and is incorporated into the voice coil loudspeaker voice coil of vibrating diaphragm one side, it is characterized in that,
Also comprise the electroconductive elastic sheet being electrically connected with described voice coil loudspeaker voice coil, described electroconductive elastic sheet is metal material;
Described shell comprises the diapire that is positioned at bottom surface and the sidewall that is positioned at side, and described shell fragment buckle is incorporated on the sidewall and diapire of described shell fragment;
Described sidewall and diapire are provided with the accepting groove of accommodating described shell fragment, and the side of described shell fragment is protruded and is provided with trip, the madial wall interference fit of described trip and described accepting groove.
2. Microspeaker according to claim 1, it is characterized in that, described shell fragment is the structure of bending, comprises the first conductive arm, the 3rd conductive arm being oppositely arranged with described the first conductive arm, and connect the second conductive arm of described the first conductive arm and described the 3rd conductive arm;
Described side wall of outer shell comprises the madial wall that is positioned at medial surface and the lateral wall that is positioned at lateral surface, described the first conductive arm and described madial wall corresponding matching, described the second conductive arm and described diapire corresponding matching, described the 3rd conductive arm and described lateral wall corresponding matching.
3. Microspeaker according to claim 2, is characterized in that, described the first conductive arm and described the 3rd conductive arm are provided with described trip, the accepting groove interference fit that described trip arranges with corresponding the first conductive arm and the 3rd conductive arm.
4. Microspeaker according to claim 2, is characterized in that, described the second conductive arm is provided with and protrudes the locating piece arranging, and on described shell, just the position to described locating piece is provided with location notch.
5. Microspeaker according to claim 2, is characterized in that, the lead-in wire of described voice coil loudspeaker voice coil is electrically connected with described the 3rd conductive arm.
6. Microspeaker according to claim 5, is characterized in that, the degree of depth of described accepting groove depression is greater than the thickness of described shell fragment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320867688.4U CN203708470U (en) | 2013-12-26 | 2013-12-26 | Mini loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320867688.4U CN203708470U (en) | 2013-12-26 | 2013-12-26 | Mini loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203708470U true CN203708470U (en) | 2014-07-09 |
Family
ID=51058845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320867688.4U Expired - Lifetime CN203708470U (en) | 2013-12-26 | 2013-12-26 | Mini loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203708470U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104168528A (en) * | 2014-09-01 | 2014-11-26 | 歌尔声学股份有限公司 | Loudspeaker module |
| CN104469609A (en) * | 2014-10-21 | 2015-03-25 | 蔡旭钦 | Magnetic system and loudspeaker monomer and loudspeaker module applying same |
| CN115002634A (en) * | 2022-05-26 | 2022-09-02 | 东莞市皖太电子科技有限公司 | Novel bone conduction oscillator parcel shell fragment |
-
2013
- 2013-12-26 CN CN201320867688.4U patent/CN203708470U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104168528A (en) * | 2014-09-01 | 2014-11-26 | 歌尔声学股份有限公司 | Loudspeaker module |
| US10021489B2 (en) | 2014-09-01 | 2018-07-10 | Goertek Inc. | Loudspeaker module |
| CN104168528B (en) * | 2014-09-01 | 2018-09-18 | 歌尔股份有限公司 | Loud speaker module |
| US10219078B2 (en) | 2014-09-01 | 2019-02-26 | Goertek Inc. | Loudspeaker module |
| CN104469609A (en) * | 2014-10-21 | 2015-03-25 | 蔡旭钦 | Magnetic system and loudspeaker monomer and loudspeaker module applying same |
| CN104469609B (en) * | 2014-10-21 | 2018-02-13 | 蔡旭钦 | Loudspeaker monomer, the loudspeaker module of magnetic system and the application magnetic system |
| CN115002634A (en) * | 2022-05-26 | 2022-09-02 | 东莞市皖太电子科技有限公司 | Novel bone conduction oscillator parcel shell fragment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| 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. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |