CN212812026U

CN212812026U - Loudspeaker

Info

Publication number: CN212812026U
Application number: CN202022349931.6U
Authority: CN
Inventors: 李燕; 王承; 刘茹; 宋琪
Original assignee: Changzhou Jiuxiang Electronic Co ltd
Current assignee: Changzhou Jiuxiang Electronic Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-03-26
Anticipated expiration: 2030-10-20

Abstract

The utility model relates to a loudspeaker, which comprises a magnetic loop component, a vibration component and a supporting component, wherein the magnetic loop component and the vibration component are both positioned inside the supporting component, the vibration component is positioned above the magnetic loop component, the supporting component comprises an upper shell and a lower basin frame, the bottom of the upper shell is provided with a plurality of connecting pieces along the circumferential direction, the lower basin frame comprises a bottom plate, a first side plate, a connecting plate and a second side plate, the first side plate is vertically arranged with the bottom plate, its one side and bottom plate fixed connection, the opposite side is connected with the connecting plate, and the one side that first curb plate was kept away from to the connecting plate is connected with the second curb plate, connecting plate and bottom plate parallel arrangement, second curb plate and first curb plate parallel arrangement, and the one side that the connecting plate was kept away from to the second curb plate is connected with last casing, and a plurality of mounting groove has been seted up towards one side of last casing to the second curb plate, and the connecting piece is located the mounting groove. The utility model discloses have the installation of being convenient for and dismantle supporting component, convenient to use's effect.

Description

Loudspeaker

Technical Field

The utility model belongs to the technical field of the technique of speaker and specifically relates to a speaker is related to.

Background

A speaker incorporated in an acoustic apparatus is often a dynamic speaker unit. The speaker unit includes at least: a magnet (permanent magnet) in the shape of a ring; a voice coil inserted into a cylindrical space corresponding to the hole inside the magnet; and a diaphragm (cone diaphragm) attached to the voice coil and shaped in a cone. In such a speaker, when an audio signal flows through the voice coil, the voice coil vibrates in the front-rear direction in accordance with the waveform thereof, and the diaphragm attached to the voice coil vibrates together with the voice signal, thereby generating a compressional wave (longitudinal wave) having a waveform equal to that of the audio signal and generating sound.

Chinese patent No. CN205830018U discloses a speaker assembling structure, relating to the technical field of speakers. The loudspeaker assembly structure comprises a loudspeaker support used for supporting a loudspeaker and a shell used for containing and installing the loudspeaker, wherein the loudspeaker comprises a vibrating diaphragm, the loudspeaker is arranged between the loudspeaker support and a shell panel, the loudspeaker support is fixedly connected with the shell panel, and a gasket with the same thickness as the vibrating diaphragm is arranged between the loudspeaker support and the shell panel and positioned on the periphery of the vibrating diaphragm. Meanwhile, a loudspeaker with the loudspeaker assembling structure is also disclosed. The utility model provides a current speaker assembly structure lead to the loudspeaker diaphragm to take place the problem of deformation easily.

The above prior art solutions have the following drawbacks: in the in-service use process, the installation and the removal of the shell and the loudspeaker bracket which are connected through the fastening screws are troublesome, and when the inside of the loudspeaker breaks down, the loudspeaker is inconvenient to maintain.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, the utility model aims at providing a speaker.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a loudspeaker comprises a magnetic loop assembly, a vibration assembly and a supporting assembly, wherein the magnetic loop assembly and the vibration assembly are positioned inside the supporting assembly, the vibration assembly is positioned above the magnetic loop assembly, the supporting assembly comprises an upper shell and a lower basin frame, a plurality of connecting pieces are arranged at the bottom of the upper shell along the circumferential direction of the upper shell, the lower basin frame comprises a bottom plate, a first side plate, a connecting plate and a second side plate, the first side plate is perpendicular to the bottom plate, one side of the first side plate is fixedly connected with the bottom plate, the other side of the first side plate is connected with the connecting plate, one side of the connecting plate far away from the first side plate is connected with the second side plate, the connecting plate is parallel to the bottom plate, the second side plate is parallel to the first side plate, one side of the second side plate far away from the connecting plate is connected with the upper shell, a plurality of mounting grooves are formed in one side, facing the upper shell, of the second side plate, and the connecting piece is located in the mounting grooves.

Through adopting above-mentioned technical scheme, through setting up connecting piece and mounting groove, be convenient for with last casing and basin frame installation together, only need insert the inside of mounting groove with the connecting piece when the installation to the casing is gone up in the rotation, just can be in the same place last casing and basin frame erection joint, when equipment breaks down, conveniently dismantles and overhauls.

The present invention may be further configured in a preferred embodiment as: the mounting groove is a U-shaped groove with an opening at one side and a semi-sealed side, a groove is formed below the sealed side of the mounting groove, and an anti-falling assembly is arranged in the groove.

Through adopting above-mentioned technical scheme, the mounting groove that is the U-shaped is convenient for the connecting piece and installs in the inside of mounting groove, and the anticreep subassembly can avoid equipment when receiving external vibration after the connecting piece is installed in the inside of mounting groove, and the connecting piece is deviate from the inside of mounting groove, causes equipment trouble.

The present invention may be further configured in a preferred embodiment as: the anti-falling component comprises an adjusting spring and an anti-falling part, the adjusting spring is arranged in the height direction of the groove, one end of the adjusting spring is connected with the inner wall of the groove, the other end of the adjusting spring is connected with the anti-falling part, and the anti-falling part is connected with the connecting piece in a butting mode.

Through adopting above-mentioned technical scheme, by the anticreep subassembly that adjusting spring and anticreep piece constitute, can get into the inside back in U-shaped groove at the connecting piece, through anticreep piece and connecting piece looks butt, avoid the connecting piece to deviate from U-shaped inslot portion when normal use, when needs are dismantled, only need press the back rotation with last casing and then just deviate from the anticreep subassembly, convenient dismantlement.

The present invention may be further configured in a preferred embodiment as: the anti-falling piece is cylindrical, and one end of the anti-falling piece, which is far away from the adjusting spring, is hemispherical.

Through adopting above-mentioned technical scheme, the tip is hemispherical anticreep piece not only can play the effect of butt with the connecting piece, moreover when installation and dismantlement, makes things convenient for the business turn over of connecting piece.

The present invention may be further configured in a preferred embodiment as: the surface of the connecting plate is provided with a plurality of through holes which are uniformly distributed along the circumferential direction.

Through adopting above-mentioned technical scheme, the perforating hole on connecting plate surface can play stability between balanced sound chamber and the outside atmospheric pressure, is convenient for moreover outwards volatilize the heat of sound intracavity portion, improve equipment's life.

The present invention may be further configured in a preferred embodiment as: the inner side of the upper shell is provided with an internal thread, the inner side of the upper shell is in threaded connection with a dustproof cap, and the bottom of the dustproof cap is provided with an external thread matched with the internal thread.

Through adopting above-mentioned technical scheme, dustproof cap can completely cut off outside dust effectively and enter into the inside in sound chamber, and threaded connection's dustproof cap convenient to detach clearance moreover.

The present invention may be further configured in a preferred embodiment as: the inside of dustproof cap has seted up the ventilation hole, ventilation hole inside is filled has the active carbon sponge.

Through adopting above-mentioned technical scheme, the ventilation hole can further improve the radiating efficiency of sound intracavity portion, and inside active carbon sponge can adsorb the moisture of sound intracavity portion, improve equipment's degree of drying.

The present invention may be further configured in a preferred embodiment as: the vibration subassembly includes vibrating diaphragm, first coil and second coil all bond the vibrating diaphragm is kept away from one side of going up the casing, first coil with the reverse winding of second coil sets up.

Through adopting above-mentioned technical scheme, the magnetic closure of two reverse winding's first coil and second coil has stopped because the distortion that the magnetic leakage produced, can greatly promote the work efficiency of speaker.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the technical scheme that the plurality of connecting pieces are arranged at the bottom of the upper shell and the plurality of mounting grooves are arranged above the lower basin frame is adopted, so that the supporting component can be conveniently mounted and dismounted, and the use is convenient;

2. the technical scheme that the groove is internally provided with the anti-falling assembly is adopted, so that the stability effect of the connecting piece in the mounting groove can be improved;

3. the technical scheme of the dustproof cap with the vent holes is adopted, so that the effect of heat dissipation efficiency inside the sound cavity can be improved;

4. the technical scheme of the first coil and the second coil which are reversely wound is adopted, so that the distortion generated by magnetic leakage can be effectively avoided, and the working efficiency of the loudspeaker is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is an exploded structure diagram of the present embodiment.

FIG. 3 is a schematic cross-sectional view of the lower frame of the present embodiment.

Fig. 4 is a schematic structural diagram of the anti-dropping assembly in this embodiment.

In the figure, 1, a magnetic circuit component; 11. a permanent magnet; 12. a PC board; 2. a vibrating assembly; 21. vibrating diaphragm; 22. a first coil; 23. a second coil; 3. a support assembly; 31. an upper housing; 311. a connecting member; 32. a basin discharging frame; 321. a base plate; 322. a first side plate; 323. a connecting plate; 3231. a through hole; 324. a second side plate; 3241. mounting grooves; 3242. a groove; 4. an anti-drop component; 41. adjusting the spring; 42. a drop-off prevention member; 5. a dust cap; 51. a vent hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, in order to the present invention discloses a speaker, including a magnetic circuit component 1, a vibration component 2, a support component 3, an anti-dropping component 4 (see fig. 4) and a dust cap 5. Magnetic circuit subassembly 1 and vibration subassembly 2 are all installed in the inside of supporting component 3, and supporting component 3 comprises last casing 31 and lower basin frame 32, and last casing 31 evenly is provided with four connecting pieces 311 along the circumferencial direction towards one side of lower basin frame 32, and four mounting grooves 3241 have evenly been seted up along the circumferencial direction towards one side of last casing 31 to lower basin frame 32, and connecting piece 311 cooperatees with mounting groove 3241 and links together last casing 31 and lower basin frame 32. The anti-dropping component 4 is arranged in each mounting groove 3241, so that the stability of mounting between the upper shell 31 and the lower basin frame 32 is improved. The dustproof cap 5 is installed on the inner side of the upper shell 31, so that external dust is prevented from entering the loudspeaker to affect the tone quality of the loudspeaker.

Referring to fig. 2, the magnetic circuit assembly 1 includes a permanent magnet 11 and a PC board 12, the magnetic circuit assembly 1 is located inside the lower basin frame 32, the PC board 12 is adhered to the bottom of the inner side of the lower basin frame 32, one side of the PC board 12 away from the bottom of the lower basin frame 32 is adhered to the permanent magnet 11, and one side of the permanent magnet 11 away from the PC board 12 is the vibration assembly 2. The vibration component 2 comprises a vibrating diaphragm 21, a first coil 22 and a second coil 23, wherein the vibrating diaphragm 21 is located on one side, away from the PC board 12, of the permanent magnet 11, the first coil 22 and the second coil 23 are both installed on one side, facing the permanent magnet 11, of the vibrating diaphragm 21, the first coil 22 is located on the outer side of the second coil 23, and the first coil 22 and the second coil 23 are formed by reversely winding. The magnetic closing formed by the first coil 22 and the second coil 23 can effectively prevent distortion caused by magnetic leakage, and the working efficiency of the loudspeaker is improved. The below of dustproof cap 5 is provided with the external screw thread, and the middle part of shell body is provided with the internal thread, and dustproof cap 5 passes through threaded connection with the shell body, and convenient to detach makes things convenient for the washing of dustproof cap 5. Dustproof cap 5 evenly sets up and a plurality of ventilation hole 51 along the circumferencial direction, and the inside packing of ventilation hole 51 has the activated carbon sponge, and the activated carbon sponge can effectual absorption sound intracavity portion's moist air.

Referring to fig. 2 and 3, the lower frame 32 includes a bottom plate 321, a first side plate 322, a connecting plate 323, and a second side plate 324 that are integrally connected. One side of first curb plate 322 is connected with bottom plate 321, and the opposite side is connected with connecting plate 323, and first curb plate 322 sets up with bottom plate 321 is perpendicular, and connecting plate 323 sets up with first curb plate 322 is perpendicular, and a plurality of perforating hole 3231 has evenly been seted up on connecting plate 323's surface, and stability between balanced sound chamber and the outside atmospheric pressure can effectually be played to perforating hole 3231, is convenient for outwards volatilize the heat of sound intracavity portion moreover, improves the life of speaker. The side of the connecting plate 323 away from the first side plate 322 is connected to a second side plate 324, and the second side plate 324 is parallel to the first side plate 322. The mounting groove 3241 is located on one side of the second side plate 324 facing the upper shell 31, the mounting groove 3241 is an open end, a U-shaped groove with a semi-closed end is formed in the middle of the mounting groove, a straight line groove for a connecting rod between the connecting piece 311 and the upper shell 31 to pass through is further formed in the middle of the mounting groove 3241, a groove 3242 is further formed below the semi-closed end of the U-shaped groove, the anti-falling component 4 is mounted inside the groove 3242, the upper shell 31 and the lower basin stand 32 are conveniently connected together through the matching of the mounting groove 3241 and the connecting piece 311, and the anti-.

Referring to fig. 3 and 4, anticreep subassembly 4 fixed mounting is in the inside of recess 3242, anticreep subassembly 4 includes adjusting spring 41 and anticreep piece 42, adjusting spring 41 sets up along the length direction of recess 3242, adjusting spring 41's one end and recess 3242's bottom welding, the other end and anticreep piece 42's bottom welding, anticreep piece 42 keeps away from adjusting spring 41's one end and is hemispherical, and with connecting piece 311 looks butt, anticreep piece 42 can make things convenient for the inside that connecting piece 311 got into mounting groove 3241 on the one hand, on the other hand can be in normal operating condition, avoid connecting piece 311 to deviate from the inside of mounting groove 3241.

The specific implementation process of the embodiment is as follows:

when the anti-dropping device is installed, the connecting piece 311 is aligned to one side of the opening of the installation groove 3241, then the anti-dropping piece 42 is moved along the track of the inside, the adjusting spring 41 is in a compressed state at the moment, and after the connecting piece 311 completely enters the inside of the installation groove 3241, the adjusting spring 41 resets and drives the anti-dropping piece 42 to enable the connecting piece 311 to be abutted to the inside of the installation groove 3241, so that the connecting piece 311 is prevented from dropping out of the inside of the installation groove 3241 in the working process.

The device simple structure, the installation and the dismantlement of being convenient for, the radiating efficiency is higher, and tone quality is better.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A loudspeaker comprising a magnetic circuit assembly (1), a vibration assembly (2) and a support assembly (3), the magnetic circuit assembly (1) and the vibration assembly (2) both being located inside the support assembly (3), the vibration assembly (2) being located above the magnetic circuit assembly (1), characterized in that: the supporting component (3) comprises an upper shell (31) and a lower basin frame (32), a plurality of connecting pieces (311) are arranged at the bottom of the upper shell (31) along the circumferential direction of the upper shell, the lower basin frame (32) comprises a bottom plate (321), a first side plate (322), a connecting plate (323) and a second side plate (324), the first side plate (322) is perpendicular to the bottom plate (321), one side of the first side plate is fixedly connected with the bottom plate (321), the other side of the first side plate is connected with the connecting plate (323), one side of the connecting plate (323), which is far away from the first side plate (322), is connected with the second side plate (324), the connecting plate (323) is parallel to the bottom plate (321), the second side plate (324) is parallel to the first side plate (322), one side of the second side plate (324), which is far away from the connecting plate (323), is connected with the upper shell (31), a plurality of mounting grooves (3241) are formed in one side, facing the upper shell (31), of the second side plate (324), and the connecting piece (311) is located in the mounting grooves (3241).

2. A loudspeaker according to claim 1, wherein: the mounting groove (3241) is a U-shaped groove with an opening at one side and a semi-sealed side, a groove (3242) is formed below the sealed side of the mounting groove (3241), and an anti-falling component (4) is arranged in the groove (3242).

3. A loudspeaker according to claim 2, wherein: anticreep subassembly (4) are including adjusting spring (41) and anticreep piece (42), adjusting spring (41) are followed the direction of height setting of recess (3242), its one end with the inner wall of recess (3242) is connected, the other end with anticreep piece (42) are connected, anticreep piece (42) with connecting piece (311) looks butt.

4. A loudspeaker according to claim 3, wherein: the anti-falling piece (42) is cylindrical, and one end, far away from the adjusting spring (41), of the anti-falling piece (42) is hemispherical.

5. A loudspeaker according to claim 1, wherein: the surface of the connecting plate (323) is provided with a plurality of through holes (3231) which are uniformly distributed along the circumferential direction.

6. A loudspeaker according to claim 1, wherein: an internal thread is formed in the inner side of the upper shell (31), a dustproof cap (5) is connected to the inner side of the upper shell (31) through the thread, and an external thread matched with the internal thread is arranged at the bottom of the dustproof cap (5).

7. A loudspeaker according to claim 6, wherein: the dustproof cap (5) is internally provided with a ventilation hole (51), and the ventilation hole (51) is internally filled with activated carbon sponge.

8. A loudspeaker according to claim 1, wherein: vibration subassembly (2) are including vibrating diaphragm (21), first coil (22) and second coil (23) all bond and are in vibrating diaphragm (21) is kept away from go up one side of casing (31), first coil (22) with second coil (23) reverse winding sets up.