CN220422028U - Centering support piece and sounding device - Google Patents
Centering support piece and sounding device Download PDFInfo
- Publication number
- CN220422028U CN220422028U CN202321430619.7U CN202321430619U CN220422028U CN 220422028 U CN220422028 U CN 220422028U CN 202321430619 U CN202321430619 U CN 202321430619U CN 220422028 U CN220422028 U CN 220422028U
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- centering
- centering support
- support piece
- boss
- basin
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- 238000005452 bending Methods 0.000 claims abstract 2
- 239000002131 composite material Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920006231 aramid fiber Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model relates to the technical field of acoustic products and discloses a centering support piece and a sound generating device, wherein the centering support piece comprises a vibration balance part, a support part extending outwards along the vibration balance part and at least one flanging part bending downwards along the support part; the generating device is provided with a fixing part, and the supporting part and/or the flanging part are/is fixedly connected with the fixing part. According to the centering support piece, the flanging part is arranged at the outer edge, so that the width of the basin frame boss at the corresponding sticking position is reduced, the shrinkage phenomenon during molding of the basin frame boss is improved, the size of the basin frame in the horizontal direction is reduced, and the whole structure is more compact; the bonding surface between the centering support piece and the basin frame is changed into a horizontal surface and a vertical surface which are contacted with each other, so that the bonding of the centering support piece and the basin frame is more compact and firm; in addition, the flanging part is added to the centering support piece, so that the rigidity of the centering support piece can be improved, and the centering support piece is not easy to deform during transportation, storage and assembly.
Description
Technical Field
The utility model relates to the technical field of acoustic and electric products, in particular to a centering support piece and a sound generating device.
Background
The loudspeaker is a transducer for converting an electrical signal into an acoustic signal, and is composed of a supporting system, a magnetic circuit system and a vibration system. As shown in fig. 1, the support system mainly comprises a frame 1, which is a frame of a speaker, and other components are mounted or fixed on the frame. The magnetic circuit system mainly comprises a magnetizer 21 (T iron or U iron) and a magnet 22. The vibration system mainly includes a voice coil 31, a composite tub 32, and a centering pad 33. Wherein the centering support 33 is connected to the voice coil 31 to maintain it in the correct position, and the vibration system is only reciprocated in the axial direction when the voice coil is forced. The basin stand 1 is provided with a basin stand boss 11 for fixing a centering support 33 by bonding.
The prior centering support piece is in bonding fit with the basin stand boss in a horizontal plane, see fig. 2.
Since d=d1+d2+d3 (where D is the width of the boss of the frame, D1 is the size of the bonding surface, D2 is the gap between the outer side of the centering support and the retaining wall, and D3 is the width of the retaining wall), the width of the boss of the frame needs to be designed with a large value: d= (1.5-3) T0 (where T0: average thickness of the frame). However, the width of the boss of the basin stand is larger, and the disadvantage is that:
(1) The boss of the basin stand is easy to shrink during molding, and the quality of products is affected;
(2) The large boss features cause material waste, which is contrary to the principle of light weight of product design;
(3) The size of the loudspeaker basin frame in the horizontal direction is further enlarged due to the large width of the basin frame boss, so that the structure is bulkier.
Disclosure of Invention
Based on the technical problems in the prior art, the utility model provides the centering support piece and the sounding device, and the downward flanging part is arranged on the outer side edge of the centering support piece, so that the width of a basin frame boss at the corresponding sticking position is reduced, the shrinkage of the basin frame boss is improved, and meanwhile, the rigidity of the centering support piece is also improved.
The utility model provides a centering support piece which is used for a sound production device and comprises a vibration balancing part, a supporting part and at least one flanging part, wherein the supporting part extends outwards along the vibration balancing part; the sound generating device is provided with a fixing part, and the supporting part and/or the flanging part are/is used for being fixedly connected with the fixing part.
In some embodiments, the length of the flanging part is 4-8 times the thickness of the centering support.
In some embodiments, the support portion is disposed in a horizontal direction and the burring portion is disposed in a vertical direction.
In some embodiments, the vibration balance comprises a number of wave-like protrusions.
In some embodiments, the centering tabs are annular.
In some embodiments, the centering tabs are an integrally formed structure.
The utility model also comprises a sound generating device, which comprises a basin frame and a vibration system arranged in the basin frame, wherein the vibration system comprises a voice coil, a composite basin connected with the voice coil and the centering support piece;
the inner side edge of the centering support piece is fixedly connected with the voice coil;
the basin stand is provided with a basin stand boss, and the basin stand boss forms the fixing part; the support part and the flanging part are respectively abutted to the top surface and the outer side surface of the basin stand boss and are adhered and fixed with the basin stand boss.
In some embodiments, the maximum thickness of the basin stand boss is 0.7-1 times of the average thickness of the basin stand.
In some embodiments, the top outer side surface of the basin stand boss is provided with an inward recessed step part, and the flanging part is abutted with the side surface of the step part.
In some embodiments, the height of the step portion is equal to the length of the burring portion.
Compared with the prior art, the utility model has the advantages and positive effects that:
according to the centering support piece, the flanging part is arranged at the outer edge, so that the width of the basin frame boss at the corresponding sticking position is reduced, the shrinkage phenomenon during molding of the basin frame boss is improved, the size of the basin frame in the horizontal direction is reduced, and the whole structure is more compact; the bonding surface between the centering support piece and the basin frame is changed into a horizontal surface and a vertical surface which are contacted with each other, so that the bonding of the centering support piece and the basin frame is more compact and firm; in addition, the flanging part is added to the centering support piece, so that the rigidity of the centering support piece can be improved, and the centering support piece is not easy to deform during transportation, storage and assembly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the internal structure of a conventional sound generator;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a schematic diagram of the internal structure of the sound generating apparatus of the present utility model;
FIG. 4 is an enlarged view of FIG. 3 at B;
reference numerals illustrate:
a basin stand 100; a basin stand boss 110; a step portion 111;
a magnetizer 210; a magnet 220; washer 230;
a voice coil 310; a composite tub 320;
centering support 330; a vibration balance portion 331; a support portion 332; the burring 333.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically indicated and defined. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. In the description of the above embodiments, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
Referring to fig. 3 and 4, an embodiment of a centering pad 330 and a sound generating device according to the present utility model is shown.
As shown in fig. 3, the sound generating apparatus includes a frame 100, a vibration system and a magnetic circuit system accommodated and fixed in the frame 100. The magnetic circuit system comprises a magnetizer 210, a magnet 220 arranged on the magnetizer 210 and a washer 230. The vibration system includes a voice coil 310, a composite tub 320 connected to the voice coil 310, and a centering pad 330. The voice coil 310 is disposed in a magnetic gap of the magnetic circuit system, and the outer side of the centering support 330 is fixed to the frame 100, and the inner side is fixed to the voice coil 310, so that the voice coil 310 keeps moving up and down when being stressed.
Specifically, as shown in fig. 4, the centering support 330 includes a vibration balance portion 331, a support portion 332 extending outwardly along the vibration balance portion 331, and at least one flange portion 333 bent downwardly along the support portion 332. The inner side of the vibration balance 331 is connected to the voice coil 310. The generating device is provided with a fixing part fixedly connected with the supporting part 332 and/or the flanging part 333, and in this embodiment, the fixing part is arranged on the basin stand 100.
In this embodiment, the frame 100 has a frame boss 110, the frame boss 110 forms the fixing portion, and the supporting portion 332 and the flange portion 333 of the centering support 330 are respectively abutted against the top surface and the outer side surface of the frame boss 110 and are adhered and fixed to the frame boss 110.
The centering support 330 can reduce the width of the frame boss 110 at the corresponding bonding position by arranging the flanging part 333 at the outer edge, improve the shrinkage phenomenon during the molding of the frame boss 110, and reduce the size of the frame 100 in the horizontal direction at the same time, so that the overall structure is more compact; the bonding surface between the centering support 330 and the basin frame 100 is changed into a horizontal surface and a vertical surface which are contacted with each other, so that the bonding of the centering support 330 and the basin frame is more compact and firm; in addition, the flange part 333 of the centering support 330 can also improve the rigidity of the centering support 330, so that the centering support 330 is not easy to deform during transportation, storage and assembly.
In this embodiment, the centering support 330 is made of synthetic fiber such as aramid fiber, and the flange 333, the support 332 and the vibration balance 331 are integrally formed during the manufacturing process, which is simple in structure and low in cost.
The length of the flanging part 333 of the centering support sheet 330 is 4-8 times the thickness of the centering support sheet 330, and the length of the flanging part 333 is in a proper range, so that the bonding strength can be ensured, and the assembly is convenient.
In this embodiment, the centering support 330 has a circular ring structure, and the vibration balance 331 includes a plurality of waves. The support portion 332 is disposed in a horizontal direction, and the burring portion 333 is disposed in a vertical direction, that is, the outer edge of the support portion 332 is bent downward by 90 ° to form the burring portion 333. Correspondingly, the top surface of the basin stand boss 110 is a horizontal surface, and the outer side surface is a vertical surface.
In the present embodiment, the maximum thickness D' of the frame boss 110 is 0.7-1 times the average thickness of the frame 100. By reducing the thickness of the frame boss 110, the shrinkage phenomenon of the frame boss 110 during molding is improved, and the size of the frame 100 in the horizontal direction can be reduced, so that the overall structure is more compact.
In order to locate the centering support 330 during assembly, the assembly is convenient, the top outer side surface of the basin stand boss 110 is further provided with an inwardly concave step portion 111, and the flanging portion 333 of the centering support 330 abuts against the side surface of the step portion 111. In this embodiment, the height of the step portion 111 is equal to the length of the flange portion 333, that is, when the centering support 330 is assembled on the frame boss 110, the bottom end of the flange portion 333 may be supported on the step surface of the step portion 111, and the step portion 111 further plays a role in supporting the centering support 330.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (10)
1. A centering support sheet for a sound generating device is characterized in that,
the centering support piece comprises a vibration balance part, a support part extending outwards along the vibration balance part and at least one flanging part bending downwards along the support part; the sound generating device is provided with a fixing part, and the supporting part and/or the flanging part of the sound generating device are/is fixedly connected with the fixing part.
2. The centering strip of claim 1, wherein the length of the flange portion is 4-8 times the thickness of the centering strip.
3. The centering disc of claim 1, wherein the support portion is disposed in a horizontal direction and the cuff portion is disposed in a vertical direction.
4. The centering disc of claim 1, wherein the vibration balance comprises a plurality of undulating projections.
5. The centering pad of claim 1, wherein the centering pad is annular.
6. The centering pad of claim 1, wherein the centering pad is of unitary construction.
7. A sound generating device comprising a basin frame and a vibration system arranged in the basin frame, wherein the vibration system comprises a voice coil, a composite basin connected with the voice coil, and a centering support according to any one of claims 1-5;
the inner side edge of the centering support piece is fixedly connected with the voice coil;
the basin stand is provided with a basin stand boss, and the basin stand boss forms the fixing part; the support part and the flanging part are respectively abutted to the top surface and the outer side surface of the basin stand boss and are adhered and fixed with the basin stand boss.
8. The sound generating apparatus of claim 7, wherein the maximum thickness of the boss of the frame is 0.7-1 times the average thickness of the frame.
9. The sound generating apparatus according to claim 7 or 8, wherein an inwardly recessed step portion is provided on an outer side surface of a top of the holder boss, and the burring portion abuts against a side surface of the step portion.
10. The sound emitting apparatus of claim 9, wherein the step portion has a height equal to a length of the burring portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321430619.7U CN220422028U (en) | 2023-06-05 | 2023-06-05 | Centering support piece and sounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321430619.7U CN220422028U (en) | 2023-06-05 | 2023-06-05 | Centering support piece and sounding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220422028U true CN220422028U (en) | 2024-01-30 |
Family
ID=89659922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321430619.7U Active CN220422028U (en) | 2023-06-05 | 2023-06-05 | Centering support piece and sounding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220422028U (en) |
-
2023
- 2023-06-05 CN CN202321430619.7U patent/CN220422028U/en active Active
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