CN100420254C - Loudspeaker fixture - Google Patents
Loudspeaker fixture Download PDFInfo
- Publication number
- CN100420254C CN100420254C CNB03109628XA CN03109628A CN100420254C CN 100420254 C CN100420254 C CN 100420254C CN B03109628X A CNB03109628X A CN B03109628XA CN 03109628 A CN03109628 A CN 03109628A CN 100420254 C CN100420254 C CN 100420254C
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- China
- Prior art keywords
- coil
- vibrating membrane
- supporting platform
- vibration film
- film supporting
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Abstract
The present invention discloses a clamping tool for a loudspeaker, which is used when a coil and a vibrating membrane of an electric loudspeaker are bonded and is composed of a cylindrical supporting table of the vibrating membrane and a coil bracket in a circular disk shape. A concave installing part is arranged on the supporting table of the vibrating membrane and is used for supporting the vibrating membrane; the coil bracket is divided into an inner diameter bracket and an outer diameter bracket; the inner diameter bracket is used for supporting the inner wall of the coil and is composed of a hub type supporting part; the outer diameter bracket is composed of a through hole type supporting part, and thus, the outer diameter bracket can penetrate through the outer wall of the coil along the vertical direction. The centers of the installing part and each supporting part are consistent, a fixed table and a bulge foot which prevent the coil bracket from moving are respectively arranged on the supporting table of the vibrating membrane, and thus, the present invention operates in the fixed state. The supporting table of the vibrating membrane and the coil bracket can be respectively overlapped for a plurality of layers; components can be overlapped in a batched mode to be transported. The present invention is used, the assembly time can be shortened, the waste product rate is reduced, and the production efficiency is enhanced. The errors between operators can be avoided, and the product quality and the reliability are enhanced through correct operation.
Description
[technical field]
This programme is the loud speaker clamp technology of using during about bonding a kind of coil that constitutes dynamic speaker and vibrating membrane, and this technology is particularly useful on the miniature devices such as earphone.
[background technology]
Dynamic speaker is compared with other type, and the range that can regenerate is wide; It has the strong point that can regenerate in detail from the bass to the high pitch, thereby not only is widely used in stereo set and video equipment, also is applied on the earphone; Recently, along with the raising of its sound equipment performance, be widely used on the mobile terminals equipment such as mobile phone.
Fig. 1 shows the typical electrodynamic receiver device that is used on the insert earphone.From drawing as can be known, the earphone device is made up of following part, is provided with the permanent magnet (1) that generates magnetic flux that is:; Be provided with coil (2), it will receive external speakers (electric current) signal and by excitation, and interact down with the magnetic flux of permanent magnet (1), vertically vibrate according to the frequency and the size of acoustic signal; Be provided with vibrating membrane (3), it and coil (2) bond together and vibrate, and air in generate sound wave; Be provided with yoke (4), it also forms a magnetic circuit when holding and supporting permanent magnet (1), coil (2) and vibrating membrane (3), and forms a magnetic circuit in the face of coil (2) with the top iron plate (4) that is installed in permanent magnet (1).(6) and (7) that cover on vibrating membrane (3) are loam cake and the grilles that is used for protecting for from the impact of outside and dust.Wherein, coil (2) is pressed certain diameter and number of turns coiled coil with enamelled wire usually; It will be bonded on the vibrating membrane, and be contained in the narrow on every side magnetic pole of permanent magnet (1).Fig. 2 shows the coil (2) before bonding and the released state of vibrating membrane (3).Vibrating membrane (3) radially is designed to the various apperances of convex-concave complications according to the requirement of vibration performance.What special instrument past during bonding coil, does not have on vibrating membrane, but vibrating membrane to carry out smear bonding agent on the bonding position, adopt the original operational method that is stained with coil then.This original operational method exists following problem: as the small electrical dynamic formula loud speaker of earphone device, its bore is substantially less than 15mm; So be difficult to operation because of it is little.Especially its coil and vibrating membrane, because of its material property is easy to by the effect of external force distortion down, therefore when operation for fear of damage, the care should be used to operator can.And the time of bonding coil and vibrating membrane is longer, exists the problem that makes production efficiency very low.In addition, because the dispar various reasons of individual operation qualification, product quality is inconsistent, and reliability is low, and in fact percent defective is also higher.Analyzing the main cause that produces waste product is in the process of process of carrying and operation, because of coil and vibrating membrane being come to harm and being out of shape, perhaps due to center (centering) skew.
[summary of the invention]
For this reason, the object of the present invention is to provide a kind of loud speaker anchor clamps,, prevent damage and distortion, reduce the personal equation in the operation, also can under the state of automatic centering, carry out operation so that carry out operation easily to coil and vibrating membrane.
To achieve the above object, this programme is in order to remove the vibrating membrane and the coil of bonding dynamic speaker in anchor clamps at loud speaker, be provided with vibration film supporting platform and coil brace, vibration film supporting platform, be provided with an installation portion, it is the centre, upper end with cylinder type, and intaglio becomes a living bearing-surface of surface configuration with vibrating membrane, so that support vibrating membrane all sidedly; Vibration film supporting platform also is provided with one at the operation mouth to the border extended of installation portion, so that the instrument of putting in presss from both sides out the vibrating membrane part; In addition, also be provided with the notch cuttype fixed station on the edge on vibration film supporting platform, coil brace is provided with the collar plate shape bearing support, and hub of a spool is positioned on the central shaft of vibration film supporting platform installation portion; The below at coil brace card edge is provided with the projection pin of projection, so that be fixed on the fixed station of vibration film supporting platform.
Two kinds of coil braces preferably are provided.A kind of is central part below disk, forms one and can stretch into the wheel hub type internal diameter bracing frame that the coil inwall supports; Another kind is to be provided with through hole, the through hole type external diameter bracing frame that the external diameter of coil can be run through up and down along vertical direction.Here will be by the size of wheel hub and through hole, and the height of coil and diameter provide the coil brace of all size.
In addition, on the edge of vibration film supporting platform, form the fixed station in two stages, wherein first fixed station is used for fixing another vibration film supporting platform, second fixed station then is used for fixing the raised ring of coil brace, so as to vibration film supporting platform is piled up, and diaphragm component is carried in batches.
In addition, on card above the coil brace, form a projection band, so that the coil brace projection pin that goes to fixed coil support card below to form, and coil brace piled up, equally coil component carrying in batch.
In addition, for the purpose of coil brace is convenient to handle, will form a kind of projection pin from the edge by the position of lining.
If utilize above-mentioned vibration film supporting platform and coil brace, can handle each parts of vibrating membrane and coil so safely, and carry out operation more rapidly and exactly.
[description of drawings]
Cite an actual example below with reference to drawing and to be elaborated.
Fig. 1 is the profile of general electrodynamic earphone.
Fig. 2 illustrates respectively and constitutes this programme loud speaker vibration film supporting platform of anchor clamps and the stereogram of coil brace.
The state profile that Fig. 3 illustrates the vibration film supporting platform of utilizing this programme Loudspeaker fixture and the inwall coil brace carries out operation.
The state profile that Fig. 4 illustrates the vibration film supporting platform of utilizing this programme Loudspeaker fixture and the exterior line coil support carries out operation.
Fig. 5 illustrates the profile that this programme loud speaker is piled up with the vibration film supporting platform of anchor clamps.
Fig. 6 illustrates the profile that this programme loud speaker is piled up with coil brace with the internal diameter of anchor clamps.
Fig. 7 illustrates the profile that this programme loud speaker is piled up with coil brace with the external diameter of anchor clamps.
The symbol description * of drawing major part
2,2 ': coil 3: vibrating membrane
10: vibration film supporting platform 11: installation portion
12: operation mouth 13,14: fixed station
15: bottom 20,20 ': coil brace
21: wheel hub type support portion 21 ': through hole type support portion
22,22 ': projection pin 23,23 ': the projection band
[embodiment]
Accompanying drawing 3 is loud speaker anchor clamps of this programme.It illustrates cylinder type vibration film supporting platform (10) and two collar plate shape coil braces (20,20 ') respectively.As described in front,, be provided with the installation portion (11) of mounting ear machine spare vibrating membrane (3) in the centre, top of vibration film supporting platform (10); Be provided with the operation mouth (12) that extends to installation portion (11) top; The edge is provided with first and second fixed stations (13,14) in two stages up.Wherein, installation portion (11) is along the curved surface (with reference to Fig. 3 and Fig. 4) that radially is formed with the size of vibrating membrane (3) the convex-concave complications identical with shape; First fixed station (13) is with the fixing bottom (15) of vibration film supporting platform (10), so that its pile got up, as shown in Figure 5.Second fixed station (14) is to be used for supporting coil brace described later (20,20 ') projection pin (22,22 ').
Two coil braces (20,20 ') are respectively internal diameter usefulness and external diameter is used.Internal diameter, is supported on the central shaft of installation portion (11) of vibration film supporting platform (10) the coil (2) of earphone device with coil brace (20); It is provided with wheel hub type support portion (21), is provided with projection pin (22) below plate edge, is provided with projection band (23) above plate edge.Wherein, wheel hub type support portion (21) are coil (2) to be put into inside diameter supported (with reference to Fig. 3); And projection pin (22) is to be used for stably being fixed on second fixed station (14) of vibration film supporting platform (10) using; Projection band (23) is projection pin (22) usefulness that is used for stably fixing its below, so as to anchor clamps are piled up, as shown in Figure 6.
In addition, external diameter is provided with the through hole type support portion (21 ') of running through the upper and lower card with coil brace (20 '), also is provided with the projection pin (22 ') that is formed on the card lower edge, is provided with projection band (23 ') in addition on the card top edges.It is outer through penetratingly supporting (with reference to Fig. 4) along vertical direction up and down that through hole type support portion (21 ') makes coil, and projection pin (22 ') is to be used for stably being fixed on second fixed station (14) of vibration film supporting platform (10) using; Projection band (23 ') is projection pin (22) usefulness that is used for stably fixing its below, so as to anchor clamps are piled up, as shown in Figure 7.
Below with reference to Fig. 3 and Fig. 4, to utilizing the loud speaker anchor clamps, on the vibrating membrane (3) of earphone device, the operation process of bonding coil (2) is elaborated.
Fig. 3 utilizes the situation of internal diameter with coil brace (20).Earlier vibrating membrane (3) is installed on the installation portion (11) of vibration film supporting platform (10), and on the coil bonding location of vibrating membrane, smears an amount of bonding agent in advance.In addition, on the wheel hub type support portion (21) of internal diameter, press from both sides coil (2) lightly, then coil brace (20) is installed to vibration film supporting platform (10) with coil brace (20).At this moment, the projection pin (22) of coil brace (20) is installed to second fixed station (14) of vibration film supporting platform (10), and installation portion (11) is consistent naturally with center, wheel hub type support portion (21), and on the vibrating membrane of installation portion (11), will remove the bonding coil (2) that is supported on the wheel hub type support portion (21) with accurate center.Certainly, vibration film supporting platform (10) and coil brace (20) can rotate mutually by second fixed station (14) and projection pin (22), but can not radially move about, and therefore can not cause errors of centration.After bonding being over, carry away coil brace (20), and the operation mouth by the next door takes out the installation portion (11) that is installed in vibration film supporting platform (10) with instruments such as tweezers, post the vibrating membrane (3) of coil (2).This internal diameter is applicable to the diameter of coil (2) with coil brace (20) compares highly low occasion.In addition, highly big occasion will be used external diameter coil brace (20 ').Promptly, on the vibration film supporting platform that vibrating membrane (3) are housed (10), set up external diameter coil brace (20 '), and remove bonding coil (2 ') from top through hole by through hole type support portion (21 ') as shown in Figure 4.Because through hole type support portion (21 ') is designed to such an extent that the external diameter of coil (2 ') is inserted along vertical direction, so can aim at the center of coil (2 ').
Fig. 5 to Fig. 7 shows a vibration film supporting platform (10) and interior external diameter is piled up the state of getting up with coil brace (20,20 '), so that with vibrating membrane (3) and coil (2,2 ') carrying in batch respectively.As seen from the figure, several vibration film supporting platform (10) are fixed to its bottom (15) on first fixed station (13) of vibration film supporting platform (10) thereunder respectively, so can not laterally move about, can only fitly pile up by above-below direction.In addition, external diameter uses coil brace (20,20 ') respectively with its coil brace (20 in several, 20 ') projection pin (22,22 ') be fixed to the projection band (23 of coil brace (20,20 ') thereunder, 23 '), so can not laterally move about, can only fitly pile up by above-below direction.And, can carry vibrating membrane (3) and coil (2,2 ') safely in batch.
Above-mentioned vibration film supporting platform (10) and interior external diameter will be made and provide with coil brace (20,20 ') by the specification of each part.
As mentioned above, this programme is the special fixture that is used for installing dynamic speaker vibrating membrane and coil.Be particularly useful for handling, therefore can significantly reduce the set-up time as little part such as the bore of earphone device etc.Therefore in addition, can handle vibrating membrane and coil safely, when assembling, can prevent to damage parts, and the center that can accurately aim at vibrating membrane and coil carries out bondingly, can avoid operator individual's error, can guarantee the certain quality level.According to this programme, when shortening installation time, reduce the incidence of waste product, improved production efficiency, and do not had under the situation of personal equation, can carry out correct operation, thereby the effect of improving the quality of products with reliability can be provided.
Claims (5)
1. one kind is used for the loud speaker anchor clamps of bonding dynamic speaker vibrating membrane and coil, it is characterized in that: be provided with vibration film supporting platform (10) and coil brace (20,20 '), vibration film supporting platform, be provided with an installation portion (11), it is the centre, upper end with cylinder type, and intaglio becomes a living bearing-surface of surface configuration with vibrating membrane, so that support vibrating membrane all sidedly; Vibration film supporting platform also is provided with one at the operation mouth (12) to the border extended of installation portion, so that the instrument of putting in presss from both sides out the vibrating membrane part; Also be provided with notch cuttype fixed station (13,14) on the edge on vibration film supporting platform, coil brace is provided with collar plate shape support (21,21 '), and hub of a spool is positioned on the central shaft of vibration film supporting platform installation portion; The below at coil brace card edge is provided with the projection pin (22,22 ') of projection, so that make on its fixed station that is fixed on vibration film supporting platform.
2. according to the described loud speaker anchor clamps that are used for bonding dynamic speaker vibrating membrane and coil of claim 1, it is characterized in that: coil brace is that central part forms one and can stretch into the wheel hub type internal diameter bracing frame that the coil inwall supports below disk.
3. according to the described loud speaker anchor clamps that are used for bonding dynamic speaker vibrating membrane and coil of claim 1, it is characterized in that: coil brace is to be provided with a through hole, the through hole type external diameter bracing frame that the external diameter of coil can be run through up and down along vertical direction.
4. according to the described loud speaker anchor clamps that are used for bonding dynamic speaker vibrating membrane and coil of claim 1, it is characterized in that: on the edge of vibration film supporting platform, form the fixed station of two steps; Wherein first fixed station is used for fixing another vibration film supporting platform, and second fixed station then is used for fixing the projection pin of coil brace, so as to vibration film supporting platform is piled up.
5. according to the described loud speaker anchor clamps that are used for bonding dynamic speaker vibrating membrane and coil of claim 1, it is characterized in that: on card above the coil brace, form a projection band (23,23 '), so that remove the coil brace projection pin of fixed coil support card below formation, and coil brace is piled up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB03109628XA CN100420254C (en) | 2003-04-09 | 2003-04-09 | Loudspeaker fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB03109628XA CN100420254C (en) | 2003-04-09 | 2003-04-09 | Loudspeaker fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1536853A CN1536853A (en) | 2004-10-13 |
| CN100420254C true CN100420254C (en) | 2008-09-17 |
Family
ID=34319416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB03109628XA Expired - Fee Related CN100420254C (en) | 2003-04-09 | 2003-04-09 | Loudspeaker fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100420254C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109379693A (en) * | 2018-12-11 | 2019-02-22 | 四川省淇韵电子科技有限公司 | A kind of dress voice coil and diaphragm jig |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85103924B (en) * | 1985-05-04 | 1988-05-04 | 夏普公司 | Vibrating plate for loudspeakers |
| CN2105158U (en) * | 1991-11-19 | 1992-05-20 | 吕芳远 | Speaker with in-laid magnetism |
| JPH06205493A (en) * | 1992-12-28 | 1994-07-22 | Toa Corp | Device for extracting vibrational displacement of speaker unit |
| EP0942626A2 (en) * | 1998-03-11 | 1999-09-15 | Sony Corporation | Loudspeaker |
| JP2002336784A (en) * | 2001-05-17 | 2002-11-26 | Nec Tokin Corp | Polyfunctional vibration actuator |
-
2003
- 2003-04-09 CN CNB03109628XA patent/CN100420254C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85103924B (en) * | 1985-05-04 | 1988-05-04 | 夏普公司 | Vibrating plate for loudspeakers |
| CN2105158U (en) * | 1991-11-19 | 1992-05-20 | 吕芳远 | Speaker with in-laid magnetism |
| JPH06205493A (en) * | 1992-12-28 | 1994-07-22 | Toa Corp | Device for extracting vibrational displacement of speaker unit |
| EP0942626A2 (en) * | 1998-03-11 | 1999-09-15 | Sony Corporation | Loudspeaker |
| JP2002336784A (en) * | 2001-05-17 | 2002-11-26 | Nec Tokin Corp | Polyfunctional vibration actuator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1536853A (en) | 2004-10-13 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090116 Address after: Gyeonggi Do, South Korea Patentee after: Mai Fen. Address before: North Korea provided Sichuan G. Patentee before: New Korea Electronics Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: MAIYIFEN CO., LTD. Free format text: FORMER OWNER: XINHANGUO ELECTRONICS CO., LTD. Effective date: 20090116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080917 Termination date: 20150409 |
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| EXPY | Termination of patent right or utility model |