CN210518817U - Micro loudspeaker capable of preventing looseness - Google Patents
Micro loudspeaker capable of preventing looseness Download PDFInfo
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- CN210518817U CN210518817U CN201922116379.3U CN201922116379U CN210518817U CN 210518817 U CN210518817 U CN 210518817U CN 201922116379 U CN201922116379 U CN 201922116379U CN 210518817 U CN210518817 U CN 210518817U
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- magnetic steel
- magnet steel
- auxiliary magnetic
- voice coil
- limiting
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Abstract
The utility model relates to a speaker technical field discloses a can prevent micro loudspeaker that becomes flexible, including the magnetism cup, main magnet steel, vice magnet steel, the voice coil loudspeaker voice coil, pole piece and mount, main magnet steel and vice magnet steel all set up the up end at the magnetism cup, mount detachable lid is established on the magnetism cup, vice magnet steel includes first vice magnet steel and the vice magnet steel of second, main magnet steel's lateral wall respectively with first vice magnet steel and the vice magnet steel's of second inside wall between form a mounting groove, the voice coil loudspeaker voice coil inlays and locates in the mounting groove, the pole piece lid is located the upper end wall setting of main magnet steel, the lower terminal edge of mount is concave respectively and is equipped with first storage tank and second storage tank, first vice magnet steel and the vice magnet steel of second inlay respectively and locate in first storage tank and the second storage tank. The technical scheme of the utility model can effectively avoid taking place the not hard up problem of displacement, and assemble convenient and fast, improve efficiency, improve product quality, prolonged life, and simple structure, it is easy and simple to handle, the practicality is strong.
Description
Technical Field
The utility model relates to a speaker technical field, in particular to can prevent not hard up miniature speaker.
Background
A speaker is a transducer for converting an electrical signal into an acoustic signal, and as technology develops, a speaker cannot produce sound, and converts a current signal into an acoustic signal only when a signal current is applied to the speaker, so that the speaker is realized by energy conversion, and thus, the speaker refers to an electroacoustic transducer for converting an electrical signal into an acoustic signal. In recent years, with the trend toward smaller and portable communication terminals and audio-visual products, miniaturization of speakers is one of the mainstream trends in current development, and the miniature speakers have small size and light weight, thereby bringing high-quality auditory enjoyment to consumers.
However, most of the existing micro-speakers are complex in structural design, and are not firm enough in assembly, so that the displacement is easy to loose, and the service life is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a can prevent not hard up micro loudspeaker, it is not firm enough to aim at solving current micro loudspeaker equipment, appears easily that the displacement is not hard up, influences life's technical problem.
In order to achieve the above object, the utility model provides a micro speaker capable of preventing looseness, which comprises a magnetic cup, a main magnetic steel, an auxiliary magnetic steel, a voice coil, a pole piece and a fixing frame, wherein the main magnetic steel and the auxiliary magnetic steel are both arranged on the upper end surface of the magnetic cup, the fixing frame is detachably covered on the magnetic cup, the auxiliary magnetic steel comprises a first auxiliary magnetic steel and a second auxiliary magnetic steel, the first auxiliary magnetic steel and the second auxiliary magnetic steel are respectively arranged on the outer side wall of the main magnetic steel at intervals, a mounting groove capable of accommodating the voice coil is respectively formed between the outer side wall of the main magnetic steel and the inner side wall of the first auxiliary magnetic steel and the inner side wall of the second auxiliary magnetic steel, the voice coil is embedded in the mounting groove, the pole piece cover is arranged on the upper end wall of the main magnetic steel, the main magnetic steel and the pole piece are both arranged in the voice coil, the lower end edge of the fixing frame is respectively concavely provided with a first accommodating groove, and the first auxiliary magnetic steel and the second auxiliary magnetic steel are respectively embedded in the first accommodating groove and the second accommodating groove.
The first clamping and fixing plate is detachably inserted into the first limiting groove, and the lower end face of the first clamping and fixing plate is abutted to the upper end portion of the first auxiliary magnetic steel.
Furthermore, the two ends of the first clamping plate are respectively convexly provided with a clamping portion, the two ends of the first limiting groove are respectively concavely provided with a clamping groove, and the clamping portions are respectively detachably embedded in the clamping grooves.
The second clamping and fixing plate is detachably inserted into the second limiting groove, and the lower end face of the second clamping and fixing plate is respectively abutted to the upper end part of the second auxiliary magnetic steel.
Furthermore, one end of each second clamping plate is convexly provided with a sliding plate, one side of each second accommodating groove is provided with a supporting plate, the sliding plates are respectively connected with the supporting plates in a sliding manner, and the width of each sliding plate is smaller than that of each second clamping plate.
Furthermore, four vertex angles of the lower end part of the fixing frame are respectively provided with a first limiting column in a protruding mode, the magnetic cups are respectively provided with first limiting holes in a concave mode, the first limiting holes correspond to the first limiting columns in a one-to-one mode, and the first limiting columns are respectively detachably and fixedly connected with the first limiting holes.
Further, still include vibrating diaphragm and well subsides, the vibrating diaphragm lid is located the upper end setting of mount, just the periphery of vibrating diaphragm with the upper end edge fixed connection of mount, the upper end of voice coil loudspeaker voice coil with the lower terminal surface fixed connection of vibrating diaphragm, well subsides set up in the up end of vibrating diaphragm.
Furthermore, the vibration isolator further comprises an upper cover, wherein the upper cover is detachably covered on the upper end face of the vibration diaphragm, and the periphery of the upper cover is fixedly connected with the upper end face of the periphery of the vibration diaphragm in an adhering mode.
Furthermore, the voice coil fixing device further comprises a wiring elastic sheet, wherein an installation part is respectively and concavely arranged at two ends of the lower end part of the fixing frame, the wiring elastic sheet is respectively embedded in the installation part, and the wiring elastic sheet is respectively electrically connected with the voice coil.
Furthermore, a second limiting post is convexly arranged in each mounting portion, each wiring elastic sheet is provided with a second limiting hole, and each second limiting post is inserted into each second limiting hole.
Adopt the technical scheme of the utility model, following beneficial effect has: the technical proposal of the utility model is that a main magnetic steel and an auxiliary magnetic steel are both arranged on the upper end surface of a magnetic cup, a fixing frame is detachably covered on the magnetic cup, the auxiliary magnetic steel comprises a first auxiliary magnetic steel and a second auxiliary magnetic steel, the first auxiliary magnetic steel and the second auxiliary magnetic steel are respectively arranged on the outer side wall of the main magnetic steel at intervals, a mounting groove for accommodating a voice coil is respectively formed between the outer side wall of the main magnetic steel and the inner side wall of the first auxiliary magnetic steel and the second auxiliary magnetic steel, the voice coil is embedded in the mounting groove, a pole piece cover is arranged on the upper end wall of the main magnetic steel, the main magnetic steel and the pole piece are both arranged in the voice coil, the lower end edge of the fixing frame is respectively concavely provided with a first accommodating groove and a second accommodating groove which are matched with the first auxiliary magnetic steel and the second auxiliary magnetic steel, the first auxiliary magnetic steel and the second auxiliary magnetic steel are respectively embedded in the, first card solid board detachable inserts and locates first spacing inslot, the upper end of first storage tank is concave respectively and is equipped with a first spacing groove, first card solid board detachable inserts and locates first spacing inslot and set up to make first pair magnet steel and the vice magnet steel of second can be firm install on the mount, effectively avoid taking place the not hard up problem of displacement, and equipment convenient assembling is swift, has improved efficiency, has improved product quality, has prolonged life, and simple structure, easy and simple to handle, low cost, the practicality is strong.
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 view of an overall structure of a micro speaker capable of preventing looseness according to an embodiment of the present invention;
fig. 2 is a schematic view of another view angle of the micro-speaker according to an embodiment of the present invention;
fig. 3 is an exploded schematic view of a micro speaker capable of preventing loosening according to an embodiment of the present invention;
fig. 4 is a schematic view of a partially exploded structure of a micro speaker capable of preventing loosening according to an embodiment of the present invention;
fig. 5 is another schematic partial exploded view of a micro speaker capable of preventing loosening according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a fixing frame of a micro speaker capable of preventing looseness according to an embodiment of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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 all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
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 utility model provides a can prevent not hard up micro loudspeaker.
As shown in fig. 1 to 6, in an embodiment of the present invention, the micro speaker capable of preventing loosening includes a magnetic cup 100, a main magnetic steel 200, an auxiliary magnetic steel 300, a voice coil 400, a pole piece 500 and a fixing frame 600, wherein the main magnetic steel 200 and the auxiliary magnetic steel 300 are both adhered to an upper end surface of the magnetic cup 100 by glue, the fixing frame 600 is detachably covered on the magnetic cup 100, the auxiliary magnetic steel 300 includes a first auxiliary magnetic steel 301 and a second auxiliary magnetic steel 302, the main magnetic steel 200 is rectangular, the first auxiliary magnetic steel 301 and the second auxiliary magnetic steel 302 are respectively disposed at an interval on an outer side wall of the main magnetic steel 200, a mounting groove capable of accommodating the voice coil 400 is formed between an outer side wall of the main magnetic steel 200 and an inner side wall of the first auxiliary magnetic steel and the second auxiliary magnetic steel, the voice coil 400 is embedded in the mounting groove, the pole piece 500 is covered on an upper end wall of the main magnetic steel 200, and main magnet steel 200 and pole piece 500 all are located set up in voice coil 400, the lower extreme reason of mount 600 is concave respectively be equipped with first storage tank 601 and the second storage tank 602 of first vice magnet steel 301 and the vice magnet steel 302 looks adaptation of second, first vice magnet steel 301 and the vice magnet steel 302 of second inlay respectively and locate set up in first storage tank 601 and the second storage tank 602.
Specifically, a groove 608 is concavely formed in the middle of the fixing frame 600, and the main magnet steel 200 and the voice coil 400 are embedded in the groove 608.
Specifically, the magnetic steel sheet further comprises a first clamping and fixing plate 603, a first limiting groove 6011 is respectively concavely arranged at the upper end portion of the first accommodating groove 601, the first clamping and fixing plate 603 is detachably inserted into the first limiting groove 6011, and the lower end surface of the first clamping and fixing plate 603 is respectively abutted to the upper end portion of the first auxiliary magnetic steel 301.
Specifically, two ends of the first clamping plate 603 are respectively provided with a clamping portion 6031 in a protruding manner, two ends of the first limiting groove 6011 are respectively provided with a clamping groove (not shown) in a recessed manner, and the clamping portions 6031 are respectively embedded in the clamping grooves in a detachable manner.
Specifically, the magnetic steel sheet further comprises a second clamping and fixing plate 604, a second limit groove 6021 is concavely arranged at the upper end portion of the second accommodating groove 602, the second clamping and fixing plate 604 is detachably inserted into the second limit groove 6021, and the lower end surface of the second clamping and fixing plate 604 is respectively abutted to the upper end portion of the second auxiliary magnetic steel.
Specifically, one end of the second card fixing plate 604 is respectively provided with a sliding plate 6041 in a protruding manner, one side of the second accommodating groove 602 is provided with a supporting plate 6022, the sliding plates 6041 are respectively connected with the supporting plate 6022 in a sliding manner, and the width of the sliding plate 6041 is smaller than that of the second card fixing plate 604.
Specifically, four vertex angles of the lower end of the fixing frame 600 are respectively provided with a first limiting column 605 in a protruding manner, the magnetic cup 100 is respectively provided with a first limiting hole 101 corresponding to the first limiting column 605 in a recessed manner, and the first limiting column 605 is respectively detachably and fixedly connected with the first limiting hole 101.
Specifically, still include vibrating diaphragm 700 and paste 800 in the middle, vibrating diaphragm 700 bond through glue in the upper end setting of mount 600, just the periphery of vibrating diaphragm 700 with the upper end edge fixed connection of mount 600, the upper end of voice coil loudspeaker voice coil 400 pass through glue with the lower terminal surface bonding fixed connection of vibrating diaphragm 700, paste 800 in the middle through glue in the up end setting of vibrating diaphragm 700.
Specifically, the vibration isolator further comprises an upper cover 900, the upper cover 900 is detachably covered on the upper end face of the vibration diaphragm 700, and the periphery of the upper cover 900 is fixedly connected with the upper end face of the periphery of the vibration diaphragm 700 through glue bonding.
Specifically, still include wiring shell fragment 606, the both ends of the lower tip of mount 600 are equipped with a mounting portion 607 of concave respectively, wiring shell fragment 606 inlays respectively to be located set up in mounting portion 607, just wiring shell fragment 606 respectively with the voice coil loudspeaker voice coil 400 electricity is connected.
Specifically, a second spacing column 6071 is respectively and convexly arranged in the mounting portion 607, the wiring elastic piece 606 is respectively provided with a second spacing hole 6061, and the second spacing column 6071 is respectively inserted into the second spacing hole 6061.
Specifically, the main magnetic steel and the auxiliary magnetic steel are both arranged on the upper end surface of the magnetic cup, the fixing frame is detachably covered on the magnetic cup, the auxiliary magnetic steel comprises a first auxiliary magnetic steel and a second auxiliary magnetic steel, the first auxiliary magnetic steel and the second auxiliary magnetic steel are respectively arranged on the outer side wall of the main magnetic steel at intervals, a mounting groove capable of accommodating the voice coil is respectively formed between the outer side wall of the main magnetic steel and the inner side wall of the first auxiliary magnetic steel and the inner side wall of the second auxiliary magnetic steel, the voice coil is embedded in the mounting groove, the pole piece cover is arranged on the upper end wall of the main magnetic steel, the main magnetic steel and the pole piece are both arranged in the voice coil, the lower end edge of the fixing frame is respectively concavely provided with a first accommodating groove and a second accommodating groove which are matched with the first auxiliary magnetic steel and the second auxiliary magnetic steel, the first auxiliary magnetic steel and the second auxiliary magnetic steel are respectively embedded in the, first card solid board detachable inserts and locates first spacing inslot, the upper end of first storage tank is concave respectively and is equipped with a first spacing groove, first card solid board detachable inserts and locates first spacing inslot and set up to make first pair magnet steel and the vice magnet steel of second can be firm install on the mount, effectively avoid taking place the not hard up problem of displacement, and equipment convenient assembling is swift, has improved efficiency, has improved product quality, has prolonged life, and simple structure, easy and simple to handle, low cost, the practicality is strong.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. A micro loudspeaker capable of preventing looseness is characterized by comprising a magnetic cup, main magnetic steel, auxiliary magnetic steel, a voice coil, a pole piece and a fixing frame, wherein the main magnetic steel and the auxiliary magnetic steel are arranged on the upper end face of the magnetic cup, the fixing frame is detachably covered on the magnetic cup, the auxiliary magnetic steel comprises first auxiliary magnetic steel and second auxiliary magnetic steel, the first auxiliary magnetic steel and the second auxiliary magnetic steel are respectively arranged on the outer side wall of the main magnetic steel at intervals, a mounting groove capable of accommodating the voice coil is formed between the outer side wall of the main magnetic steel and the inner side wall of the first auxiliary magnetic steel and the inner side wall of the second auxiliary magnetic steel respectively, the voice coil is embedded in the mounting groove, the pole piece is covered on the upper end wall of the main magnetic steel, the main magnetic steel and the pole piece are both arranged in the voice coil, a first accommodating groove and a second accommodating groove matched with the first auxiliary magnetic steel and the second auxiliary magnetic steel are respectively and concavely arranged on, and the first auxiliary magnetic steel and the second auxiliary magnetic steel are respectively embedded in the first accommodating groove and the second accommodating groove.
2. The anti-loosening micro-speaker as claimed in claim 1, further comprising a first fastening plate, wherein a first limiting groove is recessed in an upper end portion of each first receiving groove, the first fastening plate is detachably inserted into the first limiting groove, and a lower end surface of the first fastening plate is abutted against an upper end portion of the first auxiliary magnetic steel.
3. The miniature loudspeaker as claimed in claim 2, wherein a locking portion is disposed at each of two ends of the first locking plate, a locking groove is disposed at each of two ends of the first limiting groove, and the locking portions are detachably engaged with the locking grooves.
4. The miniature loudspeaker according to claim 1, further comprising a second fastening plate, wherein a second limiting groove is recessed in an upper end portion of the second receiving groove, the second fastening plate is detachably inserted into the second limiting groove, and a lower end surface of the second fastening plate is respectively abutted to an upper end portion of the second secondary magnetic steel.
5. The miniature loudspeaker as claimed in claim 4, wherein a sliding plate is protruded from one end of the second fastening plate, a supporting plate is disposed at one side of the second receiving groove, the sliding plates are slidably connected to the supporting plates, and the width of the sliding plate is smaller than the width of the second fastening plate.
6. The miniature loudspeaker as claimed in claim 1, wherein a first position-limiting post is protruded from each of four corners of the lower end of the fixing frame, first position-limiting holes corresponding to the first position-limiting posts are recessed in the magnetic cup, and the first position-limiting posts are detachably and fixedly connected to the first position-limiting holes.
7. The miniature loudspeaker as claimed in claim 1, further comprising a diaphragm and a middle paste, wherein the diaphragm cover is disposed on the upper end of the fixing frame, the periphery of the diaphragm is fixedly connected to the upper end of the fixing frame, the upper end of the voice coil is fixedly connected to the lower end of the diaphragm, and the middle paste is disposed on the upper end of the diaphragm.
8. The anti-loosening micro-speaker as claimed in claim 7, further comprising an upper cover, wherein the upper cover is detachably disposed on the upper end surface of the diaphragm, and the periphery of the upper cover is fixedly bonded to the upper end surface of the periphery of the diaphragm.
9. The miniature loudspeaker as claimed in claim 1, further comprising a wiring spring, wherein the two ends of the lower end of the fixing frame are respectively provided with a mounting portion in a concave manner, the wiring spring is respectively embedded in the mounting portions, and the wiring spring is respectively electrically connected with the voice coil.
10. The miniature loudspeaker as claimed in claim 9, wherein a second limiting post is disposed in the mounting portion, and the connecting spring pieces are respectively disposed with a second limiting hole, and the second limiting posts are respectively inserted into the second limiting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922116379.3U CN210518817U (en) | 2019-11-28 | 2019-11-28 | Micro loudspeaker capable of preventing looseness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922116379.3U CN210518817U (en) | 2019-11-28 | 2019-11-28 | Micro loudspeaker capable of preventing looseness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210518817U true CN210518817U (en) | 2020-05-12 |
Family
ID=70575822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922116379.3U Active CN210518817U (en) | 2019-11-28 | 2019-11-28 | Micro loudspeaker capable of preventing looseness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210518817U (en) |
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2019
- 2019-11-28 CN CN201922116379.3U patent/CN210518817U/en active Active
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