CN201509307U - Miniature electroacoustic transducer convenient for assembly - Google Patents
Miniature electroacoustic transducer convenient for assembly Download PDFInfo
- Publication number
- CN201509307U CN201509307U CN2009200259294U CN200920025929U CN201509307U CN 201509307 U CN201509307 U CN 201509307U CN 2009200259294 U CN2009200259294 U CN 2009200259294U CN 200920025929 U CN200920025929 U CN 200920025929U CN 201509307 U CN201509307 U CN 201509307U
- Authority
- CN
- China
- Prior art keywords
- connection piece
- flexible connection
- branch
- shell
- free branch
- 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
Images
Abstract
The utility model discloses a miniature electroacoustic transducer convenient for assembly. The electroacoustic transducer comprises a casing and a pair of elastic connecting pieces mounted on the casing, wherein each elastic connecting piece comprises a free branch, a fixed branch and a bent part connecting the free and the fixed branches; an end part is arranged at the tail end of each free branch; a limit groove for stopping the end part of each free branch from moving out of the casing is arranged on the casing; and a downwards bent part for stopping the end part of the free branch of each elastic connecting piece from moving towards the side surface is arranged on the contact surface of the limit groove and the end part of the free branch of each elastic connecting piece. By designing that the limit groove is provided with the downwards bent part for stopping the end part of the free branch of each elastic connecting piece from moving towards the side surface, the tail end of each elastic connecting piece can be conveniently mounted into the limit groove from one side, and the defects that deformation can be caused easily in the processes such as the pressing of the elastic connecting piece are avoided. In addition, the installation process is convenient and production efficiency is further improved.
Description
Technical field
The utility model is specifically related to a kind of miniature moving-coil type electroacoustic transducer termination.
Background technology
Along with the market development of portable consumer series products such as portable notebook, mobile phone, a large amount of miniature electro-acoustic transducer particularly miniature moving-coil type electroacoustic transducer is widely used.For ease of miniature moving-coil type electroacoustic transducer and notebook, the installation combination of portable consumer electronic product main circuit boards such as mobile phone, usually on the shell of miniature moving-coil type electroacoustic transducer unit, flexible connection piece is set in the prior art, its structure is as shown in Figure 8: flexible connection piece 2 is installed on the shell 1, the fixedly branch (not marking) of flexible connection piece is electrically connected the lead-in wire (not marking) on the voice coil loudspeaker voice coil 3, the end of the free branch of flexible connection piece 2 and notebook, the main circuit board 4 electric combinations of portable consumer series products such as mobile phone, though the miniature moving-coil type electroacoustic transducer assembly technology of this structure is comparatively easy, and can press in advance by the elasticity of flexible connection piece 2, make miniature moving-coil type electroacoustic transducer realize electric preferably the combination with main circuit board, but in the assembling process of above-mentioned miniature moving-coil type electroacoustic transducer, produce the displacement of horizontal direction because of the end of the unbalance stress flexible connection piece 2 of miniature moving-coil type electroacoustic transducer, make the pre-installation site of flexible connection piece 2 ends and main circuit board 4 produce deviation, cause drawbacks such as poor electric contact easily, and the height of this design miniature moving-coil type electroacoustic transducer unit is bigger, is unfavorable for the further miniaturization of miniature moving-coil type loud speaker.
In improvement design to above-mentioned defective, Chinese patent CN101257727 discloses a kind of improvement project: on the miniature moving-coil type electroacoustic transducer shell stopper slot is set, the corresponding end that limits flexible connection piece of stopper slot, and moving on the corresponding qualification of the width of the stopper slot flexible connection piece horizontal direction.Though this design has further reduced the height of miniature moving-coil type electroacoustic transducer unit by the pretension flexible connection piece, and avoided flexible connection piece in installation process, to produce horizontal displacement and caused drawbacks such as poor electric contact, but the stopper slot of this structure design, flexible connection piece can only be earlier be inserted into the end of flexible connection piece in advance in the stopper slot or by the pressing mode end is pressed onto in the stopper slot, this design causes flexible connection piece because of drawbacks such as stressed end distortion easily, and technology is comparatively complicated, is unfavorable for further enhancing productivity.
The utility model content
Technical problem to be solved in the utility model provides a kind of miniature electro-acoustic transducer of being convenient to assemble, and makes being installed in the stopper slot default on the shell that the end of flexible connection piece can be comparatively easy.
For addressing the above problem, the technical scheme that the utility model adopted is: the miniature electro-acoustic transducer of being convenient to assemble, comprise shell and a pair of flexible connection piece that is installed on the described shell, described flexible connection piece comprise free branch, fixedly branch be connected the described free branch and the fixing kink of branch, the end of described free branch also is provided with the end; Described shell is provided with and limits the stopper slot that free branch end moves outside described shell, and: the contact-making surface place of described stopper slot and the free branch end of described flexible connection piece is provided with the part bending down that prevents that the free branch end of flexible connection piece from moving to the side.This design, shape by stopper slot is set to have the part bending down that prevents that the free branch end of flexible connection piece from moving to the side, the end of flexible connection piece can be from comparatively easy being installed to the stopper slot of a side, the drawbacks such as distortion that cause easily in the processes such as shell fragment pressing have been avoided, and installation process is comparatively easy, has further improved production efficiency.
A kind of improvement of the present utility model is: described shell is a rectangle structure.The miniature moving-coil type electroacoustic transducer of rectangle structure is a preferred embodiment of the present utility model.
A kind of improvement of the present utility model is: the fixedly branch of described flexible connection piece is provided with first fixed part and second fixed part.First fixed part and the design of second fixed part can make flexible connection piece fix and combine with described shell.
A kind of improvement of the present utility model is: described shell is provided with first joint portion and second joint portion of corresponding described first fixed part and second fixed part.First joint portion and second joint portion are provided with can be by fixing flexible connection piece and shell with first fixed part and combining of second fixed part.
A kind of improvement of the present utility model is: described first joint portion and second joint portion are arranged on the minor axis of described shell.
Owing to adopted technique scheme: the miniature electro-acoustic transducer of being convenient to assemble, comprise shell and a pair of flexible connection piece that is installed on the described shell, described flexible connection piece comprise free branch, fixedly branch be connected the described free branch and the fixing kink of branch, the end of described free branch also is provided with the end; Described shell is provided with and limits the stopper slot that free branch end moves outside described shell, and: the contact-making surface place of described stopper slot and the free branch end of described flexible connection piece is provided with the part bending down that prevents that the free branch end of flexible connection piece from moving to the side.This design, shape by stopper slot is set to have the part bending down that prevents that the free branch end of flexible connection piece from moving to the side, the end of flexible connection piece can be from comparatively easy being installed to the stopper slot of a side, the drawbacks such as distortion that cause easily in the processes such as shell fragment pressing have been avoided, and installation process is comparatively easy, has further improved production efficiency.
Description of drawings
Fig. 1 is the stereogram that the utility model shell combines with flexible connection piece;
Fig. 2 is the structural representation of the utility model flexible connection piece;
Fig. 3 is the shell mechanism schematic diagram of the utility model miniature moving-coil type electroacoustic transducer;
Fig. 4 is the local enlarged diagram in A place of Fig. 3;
Fig. 5 is the vertical view of the shell of the utility model miniature moving-coil type electroacoustic transducer;
Fig. 6 is that the A-A of Fig. 5 is to cutaway view;
Fig. 7 is the assembling schematic diagram of the utility model flexible connection piece and shell;
Fig. 8 is the miniature moving-coil type electroacoustic transducer generalized section of the utility model prior art.
Embodiment
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6, the miniature electro-acoustic transducer of being convenient to assemble comprises rectangular container framework 1 and a pair of flexible connection piece 2 that is installed on this shell 1, and two ends of the major axis of shell 1 are provided with stopper slot 11; Flexible connection piece 2 is installed on the minor axis of shell 1, and its end 211 is limited by the stopper slot on the shell 1 11.
Flexible connection piece 2 is a U-shaped, comprise free branch 21, fixedly branch 23 be connected free branch 21, the fixing connecting portion 22 of branch 23.The end 211 that free branch 21 comprises horizontal structure meets portion 212 with the electricity that is used to be connected main circuit board; Fixedly branch 23 comprises wire connecting portion 231, first fixed part 232 and second fixed part 233, wire connecting portion 231 is positioned at fixedly the same side of branch 23 with the free branch 21 of described flexible connection piece 2, wire connecting portion 231 is used for the lead-in wire (not marking) that circuit connects miniature moving-coil type electroacoustic transducer, and on first fixed part 232 and the no longer same plane of second fixed part 233, first fixed part 232 and second fixed part 233 are for being arranged on the fixedly draw-in groove in the branch 23 of flexible connection piece 2, above-mentioned design can with shell 1 corresponding fastening, make flexible connection piece 2 stable with shell 1.
The two ends of rectangular container 1 major axis a are provided with the stopper slot 11 that correspondence is held the end 211 that limits described flexible connection piece 2, described stopper slot 11 is provided with the part bending down that prevents that free branch end 211 from moving to the side with the contact-making surface place of the end 211 of described flexible connection piece 2 free branches 21, stopper slot 11 is similar to be to fall " L " shape structure along the minor axis opening, its side near shell 1 framework inside is provided with opening, being provided with opening at sidepiece can be so that flexible connection piece 2 ends be installed to from sidepiece the described stopper slot 11, and the height of opening is by default; The width of described stopper slot 11 is for limiting described free branch 21 ends 211 along perpendicular to the design in a narrow margin that moves horizontally away from described shell 1, and design can avoid end 211 along continuous straight runs of flexible connection piece 2 free branches 21 to move and the some loose contact that produces in a narrow margin; On the madial wall of shell 1 minor axis, also be provided with first buckling parts 12, second buckling parts 13 and columniform support portion 14, first buckling parts 12, second buckling parts 13 respectively with first fixed part 232 and second fixed part, 233 corresponding fastenings, also be provided with guiding oblique angle 121 on first fixed part 232, the size of support portion 14 is by default U-shaped kink 22 inside that are installed to support elastic brace 2 with correspondence.
When flexible connection piece 2 is installed with shell 1, first fixed part 232 of flexible connection piece 2 and second fixed part 233 respectively with shell 1 on first buckling parts 12 and second the button and portion's 13 corresponding fastenings, and support portion 14 is installed to the inside of the bend 22 of U-shaped, the end 211 pressurized pretensions of flexible connection piece 2 are installed to stopper slot 11 inside from the opening part of a side of stopper slot 11.
The miniature electro-acoustic transducer termination design of this structure, when flexible connection piece 2 is installed with shell 1, first fixed part 232 and second fixed part 233 respectively with shell 1 on first buckling parts 12 and the 13 corresponding combinations of second buckling parts, stopper slot 11 designs make being installed on the miniature moving-coil type electroacoustic transducer of flexible connection piece 2 pretensions, the inside that support portion 14 is installed to flexible connection piece 2 can guarantee to play the pretension state of brace 2 and prevent flexible connection piece 2 overflexings, and, pack into from a side of stopper slot 11 in the end 211 of flexible connection piece 2, technology assembling process technologies such as grafting that this design is more traditional and pressing are more easy, and end 211 is installed from stopper slot 11 sides and avoided causing easily the traditional handicraft process flexible connection piece 2 distortion etc. bad.
In the implementation process of the invention, the miniature moving-coil type electroacoustic transducer of square structure is an embodiment preferred, certainly the invention also can be applicable in the miniature moving-coil type electroacoustic transducer of other structure, also can be arranged on other position of the rectangle moving-coil type electro-acoustic conversing device that to implement the invention, the neither enforcement that influences the invention.
Claims (6)
1. be convenient to the miniature electro-acoustic transducer that assembles, comprise shell and a pair of flexible connection piece that is installed on the described shell, described flexible connection piece comprise free branch, fixedly branch be connected the described free branch and the fixing kink of branch, the end of described free branch also is provided with the end; Described shell is provided with and limits the stopper slot that free branch end moves outside described shell, and it is characterized in that: the contact-making surface place of described stopper slot and the free branch end of described flexible connection piece is provided with the part bending down that prevents that the free branch end of flexible connection piece from moving to the side.
2. the miniature electro-acoustic transducer of being convenient to assemble as claimed in claim 1 is characterized in that: described shell is a rectangle structure.
3. the miniature electro-acoustic transducer of being convenient to assemble as claimed in claim 2 is characterized in that: described stopper slot is positioned at the two ends of the miniature electro-acoustic transducer major axis of rectangle structure.
4. as claim 1, the 2 or 3 described miniature electro-acoustic transducers of being convenient to assemble, it is characterized in that: the fixedly branch of described flexible connection piece is provided with first fixed part and second fixed part.
5. the miniature electro-acoustic transducer of being convenient to assemble as claimed in claim 4 is characterized in that: described shell is provided with first joint portion and second joint portion of corresponding described first fixed part and second fixed part.
6. the miniature electro-acoustic transducer of being convenient to assemble as claimed in claim 5 is characterized in that: described first joint portion and second joint portion are arranged on the minor axis of described shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200259294U CN201509307U (en) | 2009-05-23 | 2009-05-23 | Miniature electroacoustic transducer convenient for assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200259294U CN201509307U (en) | 2009-05-23 | 2009-05-23 | Miniature electroacoustic transducer convenient for assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201509307U true CN201509307U (en) | 2010-06-16 |
Family
ID=42470425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200259294U Expired - Lifetime CN201509307U (en) | 2009-05-23 | 2009-05-23 | Miniature electroacoustic transducer convenient for assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201509307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108024183A (en) * | 2017-11-29 | 2018-05-11 | 瑞声科技(新加坡)有限公司 | Shrapnel pin arrangement and microphone device |
-
2009
- 2009-05-23 CN CN2009200259294U patent/CN201509307U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108024183A (en) * | 2017-11-29 | 2018-05-11 | 瑞声科技(新加坡)有限公司 | Shrapnel pin arrangement and microphone device |
| CN108024183B (en) * | 2017-11-29 | 2020-08-21 | 瑞声科技(新加坡)有限公司 | Elastic sheet pin device and sound production device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203708415U (en) | Miniature sounder | |
| CN102572657A (en) | Micro moving-coil sounder | |
| CN201207538Y (en) | Loudspeaker connector | |
| CN204968093U (en) | Speaker module seal structure | |
| CN101674515B (en) | Miniature moving ring type electroacoustic transducer and assembling method thereof | |
| CN208386867U (en) | Wireless headset | |
| WO2014161316A1 (en) | Terminal | |
| CN1910955B (en) | Electro-acoustic transducer and electronic apparatus using it | |
| CN204906692U (en) | Loudspeaker module group | |
| CN201509307U (en) | Miniature electroacoustic transducer convenient for assembly | |
| CN103997709B (en) | Bend loudspeaker module | |
| CN201234337Y (en) | Electric connecting device for micro loudspeaker | |
| CN101227766A (en) | Moving-coil type electro-acoustic conversing device | |
| CN204681580U (en) | Loud speaker module | |
| CN102761797B (en) | Inverted sound box structure | |
| CN214101751U (en) | Loudspeaker | |
| CN202068563U (en) | Vibration loudspeaker | |
| CN206602641U (en) | Loudspeaker enclosure | |
| CN209201323U (en) | Microphone device | |
| CN201656076U (en) | Elastic terminal and miniature moving coil type electroacoustic coverter | |
| CN203387655U (en) | Loudspeaker module group | |
| CN201509302U (en) | Minitype movable ring type electro-acoustic transformer | |
| CN201360342Y (en) | Wiring device of micro moving-coil type electro-acoustic converter | |
| CN201590754U (en) | Surface mounted bending type rectifying bridge | |
| CN201360329Y (en) | Electroacoustic converter with stable and reliable electric connection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100616 |
|
| CX01 | Expiry of patent term |