CN218679340U - Double-sided sounding sound box - Google Patents

Double-sided sounding sound box Download PDF

Info

Publication number
CN218679340U
CN218679340U CN202222838905.9U CN202222838905U CN218679340U CN 218679340 U CN218679340 U CN 218679340U CN 202222838905 U CN202222838905 U CN 202222838905U CN 218679340 U CN218679340 U CN 218679340U
Authority
CN
China
Prior art keywords
yoke
magnetic
sided
loudspeaker
post
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.)
Active
Application number
CN202222838905.9U
Other languages
Chinese (zh)
Inventor
林富华
周喻
朱俊杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Weishi Acoustics Co Ltd
Original Assignee
Shenzhen Weishi Acoustics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Weishi Acoustics Co Ltd filed Critical Shenzhen Weishi Acoustics Co Ltd
Priority to CN202222838905.9U priority Critical patent/CN218679340U/en
Application granted granted Critical
Publication of CN218679340U publication Critical patent/CN218679340U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model discloses a double-sided sounding sound box, which comprises a box body, a first loudspeaker and a second loudspeaker, wherein the first loudspeaker and the second loudspeaker are respectively arranged on the box body; the second loudspeaker comprises a second magnetic circuit assembly positioned in the box body, and the second magnetic circuit assembly comprises a second yoke and a second inner magnetic column arranged on the inner side of the second yoke; one side of the first yoke, which is far away from the first inner magnetic column, is provided with a first through hole communicated with the inner side of the first yoke, and one side of the second yoke, which is far away from the second inner magnetic column, is provided with a second through hole communicated with the inner side of the second yoke; the double-sided sounding audio amplifier is still including being located the boosting magnetic pillar in the box, and boosting magnet links to each other with the first inner magnetic pillar of first speaker and the second inner magnetic pillar of second speaker respectively, has increased first magnetic circuit subassembly and second magnetic circuit subassembly's drive power, has reduced the consumption, has prolonged the time of endurance.

Description

Double-sided sounding sound box
Technical Field
The utility model relates to an acoustics device field, in particular to two-sided vocal audio amplifier.
Background
The loudspeaker is commonly called a loudspeaker, is used for completing the conversion between an electric signal and a sound signal, and is an energy conversion device. The loudspeaker is composed of a vibration system and a magnetic circuit system, wherein the magnetic circuit system comprises a yoke iron, a magnet and a washer, the vibration system comprises a vibrating diaphragm and a voice coil which are combined together, and the end part of the voice coil is positioned in a magnetic gap of the magnetic circuit system. The existing loudspeaker can only radiate sound on a single face, when the existing loudspeaker which can only radiate sound on a single face is used as a sound radiation source of the sound box, the back listening effect is poor, in order to improve the listening effect of the back face of the radiation source of the sound box, double-face sound production is realized, the loudspeakers are respectively installed on the front face and the back face of the sound box, although the double-face sound production of the sound box can be realized by the method, the power consumption of the sound box is increased undoubtedly, and the duration of the double-face sound production sound box is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a low-power consumption two-sided vocal audio amplifier.
In order to solve the technical problem, the utility model discloses a technical scheme be: a double-sided sounding sound box comprises a box body, a first loudspeaker and a second loudspeaker, wherein the first loudspeaker and the second loudspeaker are respectively arranged on the box body; the second loudspeaker comprises a second magnetic circuit assembly positioned in the box body, and the second magnetic circuit assembly comprises a second yoke and a second inner magnetic column arranged on the inner side of the second yoke; one side of the first yoke, which is far away from the first inner magnetic column, is provided with a first through hole communicated with the inner side of the first yoke, and one side of the second yoke, which is far away from the second inner magnetic column, is provided with a second through hole communicated with the inner side of the second yoke; the box body is internally provided with a first through hole, a second through hole and a first inner magnetic column, the box body is internally provided with a boosting magnetic column, one end of the boosting magnetic column penetrates through the first through hole and is connected with the first inner magnetic column, and the other end of the boosting magnetic column penetrates through the second through hole and is connected with the second inner magnetic column.
In an embodiment, the boosting magnetic pole further comprises a connecting ring, one end of the connecting ring is connected with the first yoke, the other end of the connecting ring is connected with the second yoke, and the boosting magnetic pole is located inside the connecting ring.
In an embodiment, the first magnetic circuit assembly further includes a first inner washer and a third inner post, the first inner washer is located inside the first yoke and connected to one end of the first inner post facing away from the boost magnetic post, and the third inner post is mounted on one side of the first inner washer facing away from the first inner post.
In an embodiment, the second magnetic circuit assembly further includes a second inner washer and a fourth inner post, the second inner washer is located inside the second yoke and connected to one end of the second inner post facing away from the boost magnetic post, and the fourth inner post is mounted on one side of the second inner washer facing away from the second inner post.
In one embodiment, a first positioning groove is formed in the first yoke, and the first inner magnetic column is mounted in the first positioning groove.
In one embodiment, a second positioning slot is formed in the second yoke, and the second inner magnetic pillar is mounted in the second positioning slot.
In an embodiment, the first speaker further includes a first frame connected to the cabinet, and the first frame is provided with a first mounting groove for mounting the first yoke.
In an embodiment, the first frame is further provided with a first guide groove communicated with the first mounting groove.
In an embodiment, the second speaker further includes a second frame connected to the cabinet, and the second frame is provided with a second mounting groove for mounting the second yoke.
In an embodiment, the second frame is further provided with a second guide groove communicated with the second mounting groove.
The beneficial effects of the utility model reside in that: the utility model provides a two-sided vocal audio amplifier has the characteristics that the consumption is low, through at the inside boosting magnetic pillar that sets up of box to make boosting magnet link to each other with the first inner magnetic pillar of first speaker and the second inner magnetic pillar of second speaker respectively, increased first magnetic circuit subassembly and second magnetic circuit subassembly's drive power simultaneously, compare in traditional two-sided vocal audio amplifier, under equal broadcast volume, the utility model discloses a two-sided vocal audio amplifier's consumption is lower, has prolonged the time of endurance of two-sided vocal audio amplifier.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions 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 an assembly view of a double-sided sound box according to a first embodiment of the present invention;
fig. 2 is a schematic cross-sectional structure view of a double-sided sound box according to a first embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a double-sided sounding sound box according to an embodiment of the present invention.
Description of reference numerals:
1. a box body; 2. a first magnetic circuit assembly; 21. a first yoke iron; 22. a first inner magnetic column; 23. a first inner washer; 24. a third inner magnetic column; 3. a first vibrating assembly; 31. a first diaphragm; 32. a first skeleton; 33. a first voice coil; 4. a first frame; 5. a second magnetic circuit assembly; 51. a second yoke iron; 52. a second inner magnetic column; 53. a second washer; 54. a fourth inner magnetic column; 6. a second vibrating assembly; 61. a second diaphragm; 62. a second skeleton; 63. a second voice coil; 7. a second frame; 8. a boost magnetic column; 81. and (7) connecting rings.
Detailed Description
The purpose of the present invention is to provide a portable electronic device, which can be easily and conveniently operated.
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 of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that, if the present invention relates to directional indications such as up, down, left, right, front, and back … …, the directional indications 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 indications are 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, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, such as "and/or" includes aspects, or aspects that are satisfied simultaneously. 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.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1 to 3, a dual-sided soundbox includes a box body 1, and a first speaker and a second speaker respectively mounted on the box body 1, wherein the first speaker includes a first magnetic circuit assembly 2 located in the box body 1, and the first magnetic circuit assembly 2 includes a first yoke 21 and a first inner magnetic pillar 22 mounted on an inner side of the first yoke 21; the second loudspeaker comprises a second magnetic circuit assembly 5 positioned in the box body 1, wherein the second magnetic circuit assembly 5 comprises a second yoke 51 and a second inner magnetic pillar 52 arranged on the inner side of the second yoke 51; a first through hole communicated with the inner side of the first yoke 21 is formed in the side, away from the first inner leg 22, of the first yoke, and a second through hole communicated with the inner side of the second yoke 51 is formed in the side, away from the second inner leg 52, of the second yoke; the magnetic boosting device is characterized by further comprising a boosting magnetic column 8 positioned in the box body 1, wherein one end of the boosting magnetic column 8 penetrates through the first through hole and is connected with the first inner magnetic column 22, and the other end of the boosting magnetic column 8 penetrates through the second through hole and is connected with the second inner magnetic column 52.
From the above description, the beneficial effects of the utility model reside in that, through set up boosting magnetic pillar 8 in box 1 inside to make boosting magnet link to each other with the first interior magnetic pillar 22 of first speaker and the second interior magnetic pillar 52 of second speaker respectively, increased first magnetic circuit subassembly 2 and second magnetic circuit subassembly 5's drive power simultaneously, compare in traditional two-sided sound production audio amplifier, under equal broadcast volume, the utility model discloses a consumption of two-sided sound production audio amplifier is lower, has prolonged the time of endurance of two-sided sound production audio amplifier.
Further, the magnetic boosting device further comprises a connecting ring 81, one end of the connecting ring 81 is connected with the first yoke 21, the other end of the connecting ring 81 is connected with the second yoke 51, and the magnetic boosting column 8 is located inside the connecting ring 81.
As is apparent from the above description, the provision of the connection ring 81 connected to the first yoke 21 and the second yoke 51 ensures stability of the relative positional relationship between the first yoke 21 and the second yoke 51.
Further, the first magnetic circuit assembly 2 further comprises a first inner washer 23 and a third inner post 24, the first inner washer 23 is located inside the first yoke 21 and connected with one end of the first inner post 22 departing from the boosting magnetic post 8, and the third inner post 24 is installed on one side of the first inner washer 23 departing from the first inner post 22.
As can be seen from the above description, the third inner leg 24 can further enhance the driving force of the first magnetic circuit assembly 2, which is beneficial to improving the acoustic performance.
Further, the second magnetic circuit assembly 5 further includes a second inner washer 53 and a fourth inner post 54, the second inner washer 53 is located inside the second yoke 51 and is connected to one end of the second inner post 52 facing away from the boost magnetic post 8, and the fourth inner post 54 is mounted on one side of the second inner washer 53 facing away from the second inner post 52.
As can be seen from the above description, the fourth inner leg 54 can further enhance the driving force of the second magnetic circuit assembly 5, which is beneficial to improving the acoustic performance.
Further, a first positioning groove is formed in the first yoke 21, and the first inner magnetic pole 22 is installed in the first positioning groove.
As can be seen from the above description, the first positioning groove facilitates positioning of the installation of the first inner leg 22, and reduces the risk of the first inner leg 22 being misaligned.
Further, a second positioning slot is formed in the second yoke 51, and the second inner magnetic pillar 52 is installed in the second positioning slot.
As can be seen from the above description, the second positioning slot facilitates positioning of the second inner leg 52 for installation, and reduces the risk of the second inner leg 52 being misaligned.
Further, first speaker still include with first basin frame 4 that box 1 is connected, first basin frame 4 is seted up and is used for installing first mounting groove of first yoke 21.
As can be seen from the above description, the first mounting groove facilitates the connection of the first frame 4 with the first magnetic column.
Further, the first basin frame 4 is also provided with a first guide groove communicated with the first mounting groove.
As apparent from the above description, the first guide groove can guide the first yoke 21 to be mounted to the first mounting groove.
Further, the second loudspeaker further comprises a second basin frame 7 connected to the box body 1, and the second basin frame 7 is provided with a second mounting groove for mounting the second yoke 51.
As can be seen from the above description, the second mounting groove facilitates the connection of the second frame 7 with the second magnetic column.
Further, the second frame 7 is further provided with a second guide groove communicated with the second mounting groove.
As apparent from the above description, the second guide groove can guide the installation of the second yoke 51 to the second installation groove.
Example one
Referring to fig. 1 and fig. 2, a first embodiment of the present invention is: a double-sided sounding sound box comprises a box body 1, a first loudspeaker and a second loudspeaker, wherein the first loudspeaker and the second loudspeaker are respectively installed on the box body 1, the first loudspeaker comprises a first basin frame 4, a first vibration assembly 3 and a first magnetic circuit assembly 2, the first vibration assembly and the first magnetic circuit assembly are respectively connected with the first basin frame 4, the first magnetic circuit assembly 2 is located in the box body 1, the first magnetic circuit assembly 2 comprises a first yoke 21 and a first inner magnetic pillar 22, the first inner magnetic pillar 22 is installed on the inner side of the first yoke 21, a first inner washer 23 is arranged on the first inner magnetic pillar 22, and the first inner washer 23 is located on the inner side of the first yoke 21; the second loudspeaker comprises a second frame 7, a second vibration assembly 6 and a second magnetic circuit assembly 5, wherein the second vibration assembly 6 and the second magnetic circuit assembly 5 are respectively connected with the second frame 7, the second magnetic circuit assembly 5 is positioned in the box body 1, the second magnetic circuit assembly 5 comprises a second yoke 51 and a second inner magnetic pole 52 arranged on the inner side of the second yoke 51, a second inner washer 53 is arranged on the second inner magnetic pole 52, and the second inner washer 53 is positioned on the inner side of the second yoke 51; a first through hole communicated with the inner side of the first inner yoke 21 is formed in one side of the first yoke 21, which is far away from the first inner magnetic pole 22, and a second through hole communicated with the inner side of the second yoke 51 is formed in one side of the second yoke 51, which is far away from the second inner magnetic pole 52; the magnetic boosting device further comprises a boosting magnetic column 8 positioned in the box body 1, one end of the boosting magnetic column 8 penetrates through the first through hole and is connected with the first inner magnetic column 22, and the other end of the boosting magnetic column 8 penetrates through the second through hole and is connected with the second inner magnetic column 52; specifically, the shape of the first yoke and the shape of the second yoke are both U-shaped, the first vibration assembly 3 includes a first diaphragm 31, a first framework 32 and a first voice coil 33 which are connected in sequence, and the first voice coil 33 is located in a gap formed between the first inner washer 23 and the first yoke 21; the first diaphragm 31 is mounted on the first frame 4, and the first voice coil 33 is wound outside the first framework 32; the second vibration assembly 6 comprises a second diaphragm 61, a second framework 62 and a second voice coil 63 which are connected in sequence, wherein the second voice coil 63 is positioned in a gap formed between the second inner washer 53 and the second yoke 51; the second diaphragm 61 is mounted on the second frame 7, and the second voice coil 63 is wound outside the second framework 62; in detail, the magnetic pole directions of the first inner magnetic pole 22, the boosting magnetic pole 8 and the second inner magnetic pole 52 are the same, and when the first voice coil 33 and the second voice coil 63 are fed with the same audio signal, the first diaphragm 31 and the second diaphragm 61 vibrate in the same direction, so that the sound radiation with the same effect on the front side and the back side can be realized.
Preferably, the double-sided sound box further comprises a connecting ring 81, one end of the connecting ring 81 is connected with the first yoke 21, the other end of the connecting ring 81 is connected with the second yoke 51, and the boosting magnetic column 8 is located inside the connecting ring 81, so that stability of relative position relationship between the first yoke 21 and the second yoke 51 can be ensured; specifically, the connection ring 81 is made of a metal material having magnetic conductivity.
In this embodiment, the first frame 4 is provided with a first mounting groove (not shown) for mounting the first yoke 21, and the first mounting groove is convenient for the first frame 4 to be connected with the first magnetic column; specifically, first basin frame 4 still be equipped with the first guide way of first mounting groove intercommunication, first guide way can be right first yoke 21 is installed extremely first mounting groove leads. The second speaker still include with second basin frame 7 that box 1 is connected, second basin frame 7 is equipped with and is used for the installation the second mounting groove (not shown) of second yoke 51, the second mounting groove be convenient for second basin frame 7 with the second magnetic column is connected, second basin frame 7 still be equipped with the second guide way of second mounting groove intercommunication, the second guide way can be right second yoke 51 is installed extremely the second mounting groove leads.
Optionally, in order to reduce the risk of the first inner leg 22 and the second inner leg 52 being offset, a first positioning groove may be further provided in the first yoke 21, and the first inner leg 22 is mounted in the first positioning groove; a second positioning groove is provided in the second yoke 51, and the second inner leg 52 is mounted in the second positioning groove.
Example two
Referring to fig. 3, a second embodiment of the present invention is a further improvement of the first magnetic circuit assembly 2 and the second magnetic circuit assembly 5 on the basis of the first embodiment, and the second embodiment of the present invention is different from the first embodiment in that the first magnetic circuit assembly 2 further includes a first inner washer 23 and a third inner magnetic pillar 24, the first inner washer 23 is located inside the first yoke 21 and connected to an end of the first inner magnetic pillar 22 departing from the boost magnetic pillar 8, the third inner magnetic pillar 24 is installed on a side of the first inner washer 23 departing from the first inner magnetic pillar 22, and the third inner magnetic pillar 24 can further enhance the driving force of the first magnetic circuit assembly 2, which is favorable for the improvement of the acoustic performance; specifically, the second magnetic circuit assembly 5 further includes a second inner washer 53 and a fourth inner post 54, the second inner washer 53 is located inside the second yoke 51 and is connected to one end of the second inner post 52 away from the boost magnetic post 8, the fourth inner post 54 is mounted on one side of the second inner washer 53 away from the second inner post 52, and the fourth inner post 54 can further enhance the driving force of the second magnetic circuit assembly 5, which is favorable for improving the acoustic performance; specifically, the magnetic poles of the first inner leg 22, the second inner leg 52, the boost leg 8, the third inner leg 24, and the fourth inner leg 54 are oriented in the same direction.
To sum up, the utility model provides a two-sided vocal audio amplifier has the characteristics of low power dissipation, through at the inside boosting magnetic pillar that sets up of box to make boosting magnet link to each other with the first inner magnetic pillar of first speaker and the second inner magnetic pillar of second speaker respectively, increased first magnetic circuit assembly and second magnetic circuit assembly's drive power simultaneously, compare in traditional two-sided vocal audio amplifier, under equal broadcast volume, the utility model discloses a two-sided vocal audio amplifier's consumption is lower, has prolonged the time of endurance of two-sided vocal audio amplifier.
The aforesaid is only the optional embodiment of the utility model discloses a to not consequently restrict the patent scope of the utility model, all be in the utility model discloses a under the utility model conceiving, utilize the equivalent structure transform of doing of the contents of 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 double-sided sounding sound box is characterized by comprising a box body, a first loudspeaker and a second loudspeaker, wherein the first loudspeaker and the second loudspeaker are respectively arranged on the box body; the second loudspeaker comprises a second magnetic circuit assembly positioned in the box body, and the second magnetic circuit assembly comprises a second yoke and a second inner magnetic column arranged on the inner side of the second yoke; one side of the first yoke, which is far away from the first inner magnetic column, is provided with a first through hole communicated with the inner side of the first yoke, and one side of the second yoke, which is far away from the second inner magnetic column, is provided with a second through hole communicated with the inner side of the second yoke; the double-sided sounding sound box further comprises a boosting magnetic column located in the box body, one end of the boosting magnetic column penetrates through the first through hole and is connected with the first inner magnetic column, and the other end of the boosting magnetic column penetrates through the second through hole and is connected with the second inner magnetic column.
2. The dual-sided soundbox according to claim 1, further comprising a connection ring, one end of the connection ring being connected to the first yoke, the other end of the connection ring being connected to the second yoke, the booster magnetic pillar being located inside the connection ring.
3. The double-sided sound production sound box according to claim 1, wherein the first magnetic circuit assembly further comprises a first inner washer and a third inner post, the first inner washer is located inside the first yoke and connected to an end of the first inner post facing away from the boost magnetic post, and the third inner post is mounted on a side of the first inner washer facing away from the first inner post.
4. The double-sided sound production sound box according to claim 1, wherein the second magnetic circuit assembly further comprises a second inner washer and a fourth inner post, the second inner washer is located inside the second yoke and connected to an end of the second inner post away from the boost magnetic post, and the fourth inner post is mounted on a side of the second inner washer away from the second inner post.
5. The dual sided soundbox according to claim 1, wherein a first positioning groove is provided in the first yoke, the first inner leg being mounted in the first positioning groove.
6. The dual sided sound box of claim 1, wherein the second yoke has a second detent therein, the second inner leg being mounted in the second detent.
7. The dual-sided soundbox according to claim 1, wherein the first speaker further comprises a first frame connected to the box, the first frame being provided with a first mounting slot for mounting the first yoke.
8. The dual sided soundbox according to claim 7, wherein the first frame is further provided with a first guide groove communicating with the first mounting groove.
9. The dual sided soundbox according to claim 1, wherein the second speaker further comprises a second frame connected to the box, the second frame being provided with a second mounting groove for mounting the second yoke.
10. The dual sided soundbox according to claim 9, wherein the second frame is further provided with a second guide groove communicating with the second mounting groove.
CN202222838905.9U 2022-10-26 2022-10-26 Double-sided sounding sound box Active CN218679340U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222838905.9U CN218679340U (en) 2022-10-26 2022-10-26 Double-sided sounding sound box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222838905.9U CN218679340U (en) 2022-10-26 2022-10-26 Double-sided sounding sound box

Publications (1)

Publication Number Publication Date
CN218679340U true CN218679340U (en) 2023-03-21

Family

ID=85567078

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222838905.9U Active CN218679340U (en) 2022-10-26 2022-10-26 Double-sided sounding sound box

Country Status (1)

Country Link
CN (1) CN218679340U (en)

Similar Documents

Publication Publication Date Title
CN109936803B (en) Speaker, speaker assembly and portable electronic device
CN114554369B (en) Sound producing device and electronic equipment
CN216391402U (en) Loudspeaker
CN111182426A (en) Bone conduction speaker and compound speaker
CN218679358U (en) Double-sided sounding loudspeaker
CN218679340U (en) Double-sided sounding sound box
CN218473383U (en) Electronic equipment with sound production function
CN114466288B (en) Speaker and electronic device
CN218679341U (en) Double-sided sounding sound box
CN218783904U (en) Double scroll high efficiency high fidelity double-sided sound production loudspeaker
CN114866921A (en) Sound production device and audio equipment
CN211406274U (en) Bone conduction speaker and compound speaker
CN218830613U (en) Double scroll high efficiency high fidelity double-sided sound production loudspeaker
CN218416668U (en) Double-sided sounding loudspeaker
CN219612014U (en) Coaxial loudspeaker
CN219876100U (en) Miniature loudspeaker
CN219269043U (en) Sounding structure and sounding device
CN219876101U (en) Miniature loudspeaker
CN212969956U (en) Compact high tone quality speaker subassembly
CN220693330U (en) Magnet composite plane vibrating diaphragm loudspeaker
CN220383212U (en) Moving-coil loudspeaker
CN219287711U (en) High sensitivity loudspeaker
CN215300908U (en) Sound production device
CN219555153U (en) Miniature loudspeaker
CN219999597U (en) Miniature loudspeaker

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant