CN210609688U - Magnetic circuit structure and loudspeaker - Google Patents
Magnetic circuit structure and loudspeaker Download PDFInfo
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- CN210609688U CN210609688U CN201922168840.XU CN201922168840U CN210609688U CN 210609688 U CN210609688 U CN 210609688U CN 201922168840 U CN201922168840 U CN 201922168840U CN 210609688 U CN210609688 U CN 210609688U
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- hole
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- magnetizer
- magnetic circuit
- dustproof cloth
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Abstract
The utility model discloses a magnetic circuit structure and speaker. The magnetic circuit structure comprises a magnetizer and dustproof cloth and/or sound-absorbing cotton, wherein the magnetizer is provided with a through hole penetrating through the inner side and the outer side of the magnetizer; the dustproof cloth and/or the sound-absorbing cotton are arranged at the through hole and used for preventing dust from entering the inner side of the through hole; the through hole is provided with a mounting structure for fixing the dustproof cloth and/or the sound absorption cotton on the through hole. The utility model provides an among the technical scheme, through the through-hole department at the magnetizer be provided with dustproof cloth and/or inhale the sound cotton, and will through mounting structure dustproof cloth and/or it fixes to inhale the sound cotton, can prevent effectively that the outside dust from entering into the inboard to the magnetic circuit to guarantee the acoustic performance of speaker, thereby can prolong the life of speaker.
Description
Technical Field
The utility model relates to an electroacoustic conversion technology field, concretely relates to magnetic circuit structure and speaker.
Background
The magnetizer in the traditional loudspeaker magnetic circuit system is generally arranged in an annular shape, the middle of the magnetizer is provided with a through hole, and two ends of the through hole are not provided with sealing structures, so that the risk of entering an inner cavity by dust, particles and the like exists, and the acoustic performance is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problem, an object of the present invention is to provide a magnetic circuit structure and a speaker, which aim to improve the acoustic performance of the existing speaker.
In order to achieve the above object, the present invention provides a magnetic circuit structure, including:
the magnetizer is provided with a through hole which penetrates through the inner side and the outer side of the magnetizer; and the number of the first and second groups,
the dustproof cloth and/or the sound absorption cotton are arranged at the through hole and used for preventing dust from entering the inner side of the through hole;
the through hole is provided with a mounting structure for fixing the dustproof cloth and/or the sound absorption cotton on the through hole.
Optionally, the mounting structure is located the outer end of through-hole, dustproof cloth and/or inhale the cotton lid of sound and locate the outer port department of through-hole.
Optionally, the outside of magnetizer forms a sunk area, the sunk area is in order to form mounting structure, the outer port of through-hole is located the sunk area, dustproof cloth and/or inhale the sound cotton subsides and locate in the sunk area, and cover the drill way setting of through-hole.
Optionally, the mounting structure is arranged in the through hole, and the dustproof cloth and/or the sound absorbing cotton are/is mounted in the through hole in a matching manner.
Optionally, the inner wall surface of the through hole has an annular mounting boss to form the mounting;
the dustproof cloth and/or the sound-absorbing cotton are/is arranged on the mounting boss.
Optionally, the dustproof cloth and/or the sound-absorbing cotton are/is arranged as dustproof cloth or sound-absorbing cotton.
Optionally, the magnetizer is T iron, the T iron includes the bottom plate and locates stand on the bottom plate, the bottom plate of T iron is close to the outside setting, the through-hole is located on the stand of T iron, and run through the bottom plate setting.
Optionally, the magnetic pole further comprises a magnet, wherein the magnet is arranged around the periphery of the stand column of the T iron; the top of the magnet is provided with a washer, the magnet is arranged on a bottom plate of the T iron, and a magnetic circuit gap is formed between the washer and an upright post of the T iron.
Optionally, the magnet and the washer are both arranged annularly.
The utility model also provides a loudspeaker, including magnetic circuit structure, magnetic circuit structure includes:
the magnetizer is provided with a through hole which penetrates through the inner side and the outer side of the magnetizer; and the number of the first and second groups,
the dustproof cloth and/or the sound absorption cotton are arranged at the through hole and used for preventing dust from entering the inner side of the through hole;
the through hole is provided with a mounting structure for fixing the dustproof cloth and/or the sound absorption cotton on the through hole.
The utility model provides an among the technical scheme, through the through-hole department of magnetizer is provided with dustproof cloth and/or inhales the sound cotton, and will through mounting structure dustproof cloth and/or it fixes to inhale the sound cotton, can prevent effectively that the outside dust from entering extremely the inboard of through-hole to guarantee the acoustic performance of speaker, thereby can prolong the life of speaker.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a speaker according to the present invention;
fig. 2 is a schematic structural diagram of another embodiment of a speaker according to the present invention;
fig. 3 is a schematic cross-sectional view of the magnetic circuit structure shown in fig. 1;
fig. 4 is a schematic cross-sectional structure view of the magnetic circuit structure shown in fig. 2.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
132 | |
| 1 | |
21 | Sound-absorbing cotton |
| 11 | |
22 | |
| 12 | Through |
3 | |
| 13 | |
31 | Washer |
| 131 | Mounting boss |
The object of the present invention is to provide a novel and advantageous solution for the above mentioned problems.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if the present invention relates to a directional indication, the directional indication is only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indication is changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The magnetizer in the traditional loudspeaker magnetic circuit system is generally in an annular arrangement, a through hole is arranged in the middle of the magnetizer, and sealing structures are not arranged at two ends of the through hole, so that the risk that dust, particles and the like enter the inner side of the through hole, namely the inner cavity is caused, and the acoustic performance is influenced.
In view of this, the present invention provides a magnetic circuit structure and a speaker, and fig. 1 to 4 illustrate an embodiment of a speaker according to the present invention.
In this embodiment, the speaker includes magnetic structure 100 to form a magnetic circuit system, and the magnetic circuit system is used for forming a magnetic field, still include the vibration system in the speaker, the vibration system is including the voice coil and connect the vibrating diaphragm that the voice coil set up, places the voice coil in the vibration system in magnetic field gap of magnetic circuit system, makes the voice coil produce the vibration, thereby drives the vibrating diaphragm vibration sound production. Referring to fig. 1 to 3, in the present embodiment, the magnetic circuit structure 100 includes a magnetizer 1 and a dustproof cloth and/or an acoustic cotton, the magnetizer 1 located at the middle position is generally disposed in a ring shape, and the magnetizer 1 is provided with a through hole 12 penetrating through the inner side and the outer side of the magnetizer 1; the dustproof cloth and/or the sound-absorbing cotton are/is arranged at the through hole 12 and used for preventing dust from entering the inner side of the magnetizer 1 so as to avoid influencing the acoustic performance of the loudspeaker; the through hole 12 is provided with a mounting structure 13 for fixing the dustproof cloth and/or the sound-absorbing cotton on the through hole 12, so that the dustproof cloth and/or the sound-absorbing cotton are firmly mounted. Other structures of the speaker can adopt the prior art, and are not described in detail herein.
The utility model provides an among the technical scheme, through-hole 12 department of magnetizer 1 is provided with dustproof cloth and/or inhales the sound cotton, and will through mounting structure 13 dustproof cloth and/or it fixes to inhale the sound cotton, can prevent effectively that the outside dust from entering into extremely the inboard of magnetizer 1 to guarantee the acoustic performance of speaker, thereby can prolong the life of speaker.
It should be noted that, the installation structure 13 has various installation manners, so that the installation manners of the dust-proof cloth and/or the sound-absorbing cotton are various, and a pasting portion may be provided to be installed on the magnetizer 1 in a pasting manner, so that the installation manner is simple and convenient; the magnetic conductor can also be installed on the magnetizer 1 in a clamping mode, so that the installation is more firm.
Specifically, in an embodiment, referring to fig. 4, the mounting structure 13 is disposed at an outer end of the through hole 12, and the dust cloth and/or the sound-absorbing cotton cover is disposed at the outer end of the through hole 12, so as to prevent outside dust from entering the through hole 12 and the inner side of the magnetizer 1, and ensure the acoustic effect of the speaker.
Further, the outside of magnetizer 1 forms a sunk area, sunk area 132 is in order to form mounting structure 13, in order to form dustproof cloth and/or inhale the cotton installing zone of sound to find the installation position fast when the equipment, the outer port of through-hole 12 is located sunk area 132, dustproof cloth and/or inhale the cotton 2 subsides of sound and locate in the sunk area, and cover the outer port setting of through-hole 12. Will dustproof cloth and/or inhale the subsides of sound cotton 2 and establish the district setting in the depressed area, so that dustproof cloth and/or inhale sound cotton 2 and be unlikely to suddenly establish on magnetizer 1, in order to avoid magnetizer 1 produces when installing to other parts and interferes, also is difficult for making dustproof cloth and/or inhale the edge production warpage of sound cotton 2, make dustproof cloth and/or inhale the sound cotton 2 is difficult for droing. The shape of depressed area with dustproof cloth and/or when inhaling the shape phase adaptation of sound cotton 2, promptly dustproof cloth and/or inhale sound cotton 2 and just block and locate in the depressed area, it is better to paste and establish the effect.
In another embodiment, referring to fig. 3, the installation structure 13 is disposed in the through hole 12, the dustproof cloth and/or the sound-absorbing cotton are/is installed in the through hole 12 in a fitting manner, and the size of the dustproof cloth and/or the sound-absorbing cotton is set to be equal to the size of the through hole 12, so that the dustproof cloth and/or the sound-absorbing cotton are/is installed in the through hole 12, and outside dust can be prevented from entering the inner side of the magnetic conductor 1, so that the appearance and installation of the magnetic conductor 1 are not affected.
Specifically, an annular mounting boss 131 is arranged on the inner wall surface of the through hole 12 to form the mounting structure 13, and the annular boss may be arranged in a circle in the through hole 12, or may include a plurality of mounting bosses 131 arranged at intervals; dustproof cloth and/or inhale sound cotton 2 install in on the installation boss 131 to the subsides are located on the installation boss 131 to prevent that outside dust from getting into the center magnet is inboard, in order to guarantee the acoustic effect of speaker.
In this embodiment, magnetizer 1 is T iron 11, T iron 11 includes the bottom plate and locates stand on the bottom plate, T iron 11's bottom plate is close to the outside setting, through-hole 12 is located on T iron 11's the stand, and run through the bottom plate sets up, will dustproof cloth and/or inhale sound cotton 2 install in on T iron 11's the bottom plate, locate with the lid the outer port department of through-hole 12 to prevent that the dust from getting into inside T iron 11. Certainly, magnetizer 1 still can set up to be the central magnet of cyclic annular setting, based on same principle, dustproof cloth and/or inhale the cotton mode of setting also applicable equally of sound.
Further, the magnetic circuit structure further comprises a magnet 3, the magnet 3 is arranged around the periphery of the stand column of the T-shaped iron 11, the top of the magnet 3 is provided with a washer 31, the magnet 3 is arranged on the bottom plate of the T-shaped iron 11, the washer 31 and the stand column of the T-shaped iron 11 form a magnetic circuit gap, and a voice coil of a vibration system is arranged at the magnetic circuit gap, so that vibration can be generated, and the vibration diaphragm is driven to sound.
And the magnet 3 and the washer 31 are both arranged annularly, so that the magnetic field intensity can be enhanced, and the acoustic effect of the loudspeaker is better.
The above is only the optional embodiment of the present invention, and not therefore the limit to the patent scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the patent protection scope of the present invention.
Claims (9)
1. A magnetic circuit structure, comprising:
the magnetizer is provided with a through hole which penetrates through the inner side and the outer side of the magnetizer; and the number of the first and second groups,
the dustproof cloth and/or the sound absorption cotton are arranged at the through hole and used for preventing dust from entering the inner side of the through hole;
the through hole is provided with a mounting structure for fixing the dustproof cloth and/or the sound absorption cotton on the through hole.
2. The magnetic structure according to claim 1, wherein the mounting structure is disposed at an outer end of the through hole, and the dust cloth and/or the sound-absorbing cotton cover is disposed at the outer port of the through hole.
3. The magnetic structure according to claim 2, wherein a recessed area is formed on an outer side of the magnetic conductor, the recessed area is used to form the mounting structure, an outer port of the through hole is disposed in the recessed area, and the dust cloth and/or the sound-absorbing cotton is attached to the aperture disposed in the recessed area and covering the through hole.
4. The magnetic structure according to claim 1, wherein the mounting structure is disposed in the through hole, and the dust cloth and/or the sound-absorbing cotton are fittingly mounted in the through hole.
5. The magnetic structure according to claim 4, wherein the inner wall surface of the through hole has an annular mounting boss to form the mounting structure;
the dustproof cloth and/or the sound-absorbing cotton are/is arranged on the mounting boss.
6. The magnetic structure according to claim 1, wherein the magnetizer is T-iron, the T-iron includes a bottom plate and a pillar disposed on the bottom plate, the bottom plate of the T-iron is disposed near the outer side, and the through hole is disposed on the pillar of the T-iron and penetrates through the bottom plate.
7. The magnetic circuit structure according to claim 6, further comprising a magnet, the magnet being disposed around a periphery of the T-iron pillar; the top of the magnet is provided with a washer, the magnet is arranged on a bottom plate of the T iron, and a magnetic circuit gap is formed between the washer and an upright post of the T iron.
8. The magnetic circuit structure according to claim 7, wherein said magnet and said washer are both arranged in a ring shape.
9. A loudspeaker comprising a magnetic circuit structure as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922168840.XU CN210609688U (en) | 2019-12-05 | 2019-12-05 | Magnetic circuit structure and loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922168840.XU CN210609688U (en) | 2019-12-05 | 2019-12-05 | Magnetic circuit structure and loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210609688U true CN210609688U (en) | 2020-05-22 |
Family
ID=70685975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922168840.XU Active CN210609688U (en) | 2019-12-05 | 2019-12-05 | Magnetic circuit structure and loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210609688U (en) |
-
2019
- 2019-12-05 CN CN201922168840.XU patent/CN210609688U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210611 Address after: 261031 No. 268 Dongfang Road, hi tech Industrial Development Zone, Shandong, Weifang Patentee after: GOERTEK Inc. Address before: 266104 Room 308, North Investment Street Service Center, Laoshan District, Qingdao, Shandong. Patentee before: GOERTEK TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210709 Address after: 261031 Weian Road, Ligu community, Qingchi street, high tech Zone, Weifang City, Shandong Province Patentee after: Weifang geldanna Electronic Technology Co.,Ltd. Address before: 261031 No. 268 Dongfang Road, hi tech Industrial Development Zone, Shandong, Weifang Patentee before: GOERTEK Inc. |
|
| TR01 | Transfer of patent right |