CN219740601U

CN219740601U - Loudspeaker and electronic equipment thereof

Info

Publication number: CN219740601U
Application number: CN202320868994.3U
Authority: CN
Inventors: 古文达
Original assignee: Dongguan Yuanzhili Acoustics Co ltd
Current assignee: Dongguan Yuanzhili Acoustics Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-09-22
Anticipated expiration: 2033-04-18

Abstract

The utility model relates to the technical field of sound transmission, in particular to a loudspeaker and electronic equipment thereof, and the technical scheme is as follows: the device comprises a mounting bracket, a front cover and a rear cover, wherein the front cover and the rear cover are respectively connected to two opposite sides of the mounting bracket, and an electromagnetic assembly and a vibration assembly are arranged in the mounting bracket; one side of the front cover facing the inside of the mounting bracket is fixedly connected with a metal plate, the electromagnetic assembly is provided with a wiring, and the wiring is welded and fixed on the metal plate. The utility model has the technical effects of changing the position of the welding spot, enabling the welding spot to be positioned in the loudspeaker, and further realizing protection on the welding spot, preventing the welding spot from being damaged in the process of assembling or using the loudspeaker, and further preventing the wire from being broken between the wire and the metal plate.

Description

Loudspeaker and electronic equipment thereof

Technical Field

The utility model relates to the technical field of sound transmission, in particular to a loudspeaker and electronic equipment thereof.

Background

The loudspeaker is a transducer for converting electric signals into acoustic signals, and the performance of the loudspeaker has great influence on sound quality. The loudspeaker is the weakest element in the sound equipment and is in turn the most important component for the sound effect. Speakers are of a wide variety and are widely priced. The audio electric energy makes its cone or diaphragm vibrate and resonate (resonate) with surrounding air to make sound by electromagnetic, piezoelectric or electrostatic effect.

In current speaker, the outside at the speaker housing can be installed to the PCB board, and the voice coil loudspeaker voice coil is located the inside of speaker housing, when the voice coil loudspeaker voice coil needs to be connected with the PCB board, need pull out the wiring of voice coil loudspeaker voice coil to the outside of speaker housing to with the wiring welding on the PCB board.

Because in the above disclosed technology, the PCB board is located outside the speaker housing, and the wiring of the voice coil needs to extend to the outside of the speaker housing, so that the soldering points of the voice coil and the PCB board must be exposed outside the speaker housing; the design is easy to cause that welding spots are damaged in the assembly process of the loudspeaker, so that the situation that the wiring of the voice coil is broken with the PCB is caused, and the number of defective products is increased.

The above drawbacks are to be overcome by those skilled in the art.

Disclosure of Invention

In order to prevent the welding spots from being damaged, the utility model provides a loudspeaker and an electronic device thereof.

The utility model provides a loudspeaker, which adopts the following technical scheme:

a speaker, comprising: the device comprises a mounting bracket, a front cover and a rear cover, wherein the front cover and the rear cover are respectively connected to two opposite sides of the mounting bracket, and an electromagnetic assembly and a vibration assembly are arranged in the mounting bracket; the front cover is towards one side fixedly connected with metal plate in the installing support, electromagnetic assembly is provided with the wiring, the wiring welding is fixed in the metal plate.

Preferably, the electromagnetic assembly comprises a voice coil and a magnet, the magnet is inserted into the voice coil, the wiring is fixedly connected with the voice coil, and the magnet abuts against the vibration assembly.

Preferably, the electromagnetic assembly further comprises a spacer, and the spacer is abutted between the front cover and the magnet.

Preferably, the vibration assembly comprises an elastic sheet and a U-shaped piece, the elastic sheet is fixedly connected to the inner side wall of the support in the circumferential direction, one end of the U-shaped piece is connected to the elastic sheet, and one end of the magnet, deviating from the gasket, is abutted against the U-shaped piece.

Preferably, the vibration assembly further comprises a collar, and the collar is sleeved and fixed on the outer side wall of the U-shaped piece.

Preferably, the collar and the U-shaped member are integrally formed, and the U-shaped member and the collar are both injection-molded to the elastic sheet.

Preferably, the metal plates are fixedly connected to the two opposite sides of the front cover.

Preferably, the wire is butt-welded to the metal plate.

Preferably, the surface of the metal plate is provided with a zinc plating layer.

The utility model also provides electronic equipment, which adopts the following technical scheme:

an electronic device comprising a loudspeaker as claimed in any one of the preceding claims.

In summary, the beneficial technical effects of the utility model are as follows:

1. the metal plate is fixedly connected to one side of the front cover facing the mounting bracket, after the loudspeaker is completely mounted, the metal plate is completely positioned in the mounting bracket, the electromagnetic assembly is also positioned in the mounting bracket, and the wiring of the electromagnetic assembly is welded and fixed on the metal plate, so that welding spots between the wiring and the metal plate are completely positioned in the mounting bracket, the technical effect of protecting the welding spots is achieved, the situation that the welding spots are damaged in the process of assembling or using the loudspeaker is prevented, and the situation that the metal plate and the wiring are broken is prevented;

2. the collar and the U-shaped piece are directly injection molded on the elastic piece, so that the elastic piece, the U-shaped piece and the collar are fixedly connected at the same time, the process of later assembly of the vibration component by workers is reduced, and the production efficiency of the loudspeaker is further improved;

3. through outside signal of telecommunication in proper order through metal sheet, wiring transmission to the voice coil loudspeaker voice coil for the voice coil loudspeaker voice coil is electrically conductive, utilizes magnet to insert in the voice coil loudspeaker voice coil, and then can produce electromagnetic induction, makes magnet vibrations, and magnet supports tightly in vibration subassembly simultaneously, and magnet drives vibration subassembly vibrations, makes vibration subassembly produce the sound wave.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a speaker according to an embodiment of the present utility model;

fig. 2 is an exploded view of a part of the structure of a speaker according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a portion of the structure of an electromagnetic assembly in an embodiment of the utility model

Fig. 4 is a cross-sectional view of a portion of the structure of a vibration assembly in an embodiment of the present utility model.

In the figure, 1, a front cover; 2. a metal plate; 3. a mounting bracket; 4. a voice coil; 5. a magnet; 6. a gasket; 7. a U-shaped piece; 8. a collar; 9. a spring plate; 10 rear cover.

Detailed Description

Example 1

The utility model is described in further detail below with reference to fig. 1-4.

The embodiment of the utility model discloses a loudspeaker. Referring to fig. 1 and 2, the speaker includes a mounting bracket 3, a front cover 1, and a rear cover 10. The installing support 3 is cylindric setting to be hollow setting, protecgulum 1 is the plate form setting, and protecgulum 1 lid combines fixed mounting in installing support 3 length direction's one end, and the back lid 10 lid combines fixed mounting in installing support 3 length direction's the other end, and back lid 10 still circumference is provided with not less than one through-hole for the transmission of sound wave to outside. Preferably, in the present embodiment, the rear cover 10 may be a steel member.

Specifically, install electromagnetic assembly and vibrations subassembly in the installing support 3, protecgulum 1, electromagnetic assembly, vibrations subassembly and hou gai 10 set gradually to electromagnetic assembly offsets tightly with vibrations subassembly, and electromagnetic assembly is used for taking place electromagnetic induction, and vibrations subassembly is used for producing the sound wave. The front cover 1 is fixedly connected with the metal plate 2, preferably, in the embodiment of the utility model, the front cover 1 is injection molded on the metal plate 2, and the surface of the metal plate 2 is provided with a zinc plating layer. The electromagnetic assembly is provided with wiring, and the quantity of wiring is two. Preferably, in the embodiment of the present utility model, both wires are welded to the metal plate 2 by means of butt welding.

Preferably, in the embodiment of the present utility model, the metal plates 2 are fixedly connected to the opposite sides of the front cover 1, so that the opposite sides of the front cover 1 can be electrically connected.

When the loudspeaker works, external electric signals are sequentially transmitted to the electromagnetic assembly through the metal plate 2 and the wiring, so that the electromagnetic assembly is subjected to electromagnetic induction and vibration, the electromagnetic assembly is utilized to tightly prop against the vibration assembly, and then the electromagnetic assembly price drives the vibration assembly to vibrate, so that the vibration assembly generates sound waves and is conveyed to the outside.

When the loudspeaker is required to be assembled, a worker fixedly welds the wiring of the electromagnetic assembly to the metal plate 2, sequentially installs the electromagnetic assembly and the vibration assembly in the mounting bracket 3, then covers and fixes the front cover 1 on the mounting bracket 3, and utilizes the metal plate 2 to be fixedly connected to one side of the front cover 1 facing the mounting bracket 3, so that welding spots between the metal plate 2 and the wiring are completely positioned in the mounting bracket 3, and the arrangement achieves a protection effect on the welding spots and prevents the welding spots from being damaged in the process of assembling or using the loudspeaker.

Referring to fig. 2 and 3, specifically, the electromagnetic assembly includes a voice coil 4 and a magnet 5, where the magnet 5 is arranged in a ring, and the magnet 5 is inserted into the mounting bracket 3 along the axial direction of the mounting bracket 3. The voice coil 4 is cylindrical, and the voice coil 4 is circumferentially sleeved in the outer side wall of the magnet 5. Both wires are fixedly connected to the voice coil 4 for transmitting the electric signal of the metal plate 2 to the voice coil 4. The electromagnetic assembly further comprises a gasket 6, the gasket 6 is abutted between the front cover 1 and the magnet 5, meanwhile, one end of the magnet 5, deviating from the gasket 6, is abutted against the vibration assembly, and the gasket 6 is utilized, so that the magnet 5 is always abutted against the vibration assembly tightly, and the power transmission efficiency of the magnet 5 to the vibration assembly is improved.

When the loudspeaker is operated, external electric signals are sequentially transmitted to the voice coil 4 through the metal plate 2 and the wiring, so that the voice coil 4 is conductive, the magnet 5 is inserted into the voice coil 4, electromagnetic induction is further generated, the magnet 5 vibrates, meanwhile, the magnet 5 abuts against the vibration assembly, and the magnet 5 drives the vibration assembly to vibrate, so that the vibration assembly generates sound waves.

Referring to fig. 2 and 4, in particular, the vibration assembly comprises a spring plate 9 and a U-shaped member 7. The shell fragment 9 is the ring dress setting, and shell fragment 9 installs in installing support 3, and shell fragment 9 is towards the inside wall of one side circumference fixed connection in installing support 3 of external diameter, and shell fragment 9 extends towards the inside of installing support 3 along the radial direction of installing support 3 towards one side of internal diameter. Preferably, in the embodiment of the present utility model, the elastic sheet 9 is hollowed out, so as to improve the elasticity of the elastic sheet 9. One end of the U-shaped piece 7, which is arranged in an opening, is fixedly connected to one side of the elastic sheet 9, which faces the inner diameter, and meanwhile, the U-shaped piece 7 is sleeved on the magnet 5, and the magnet 5 is tightly attached to the inner side wall of the U-shaped piece 7.

Specifically, vibrations subassembly still lantern ring 8, lantern ring 8 circumference cup joint and are fixed in the lateral wall of U type spare 7, utilize lantern ring 8, and then increased the weight of U type spare 7 for U type spare 7 is supported tightly in magnet 5 all the time, prevents to take place not hard up between U type spare 7 and the magnet 5.

When the magnet 5 vibrates due to electromagnetic induction, the magnet 5 drives the U-shaped piece 7 to vibrate, meanwhile, the U-shaped piece 7 is connected with the elastic piece 9, and the vibration efficiency of the U-shaped piece 7 is improved by utilizing the elastic action of the elastic piece 9, so that the efficiency of the U-shaped piece 7 for generating sound waves is improved.

Preferably, in the embodiment of the present utility model, the collar 8 and the U-shaped piece 7 are plastic members, the collar 8 and the U-shaped piece 7, and the U-shaped piece 7 and the collar 8 are injection molded to the elastic sheet 9.

When the vibration component needs to be produced, the staff directly injection-molded the lantern ring 8 and the U-shaped piece 7 on the elastic piece 9, so that the elastic piece 9, the U-shaped piece 7 and the lantern ring 8 are fixedly connected at the same time, the working procedure of the staff for later-stage assembly of the vibration component is reduced, and the production efficiency of the loudspeaker is improved.

Example two

An embodiment of the utility model discloses an electronic device, which comprises the loudspeaker.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. A loudspeaker, characterized by: the device comprises a mounting bracket, a front cover and a rear cover, wherein the front cover and the rear cover are respectively connected to two opposite sides of the mounting bracket, and an electromagnetic assembly and a vibration assembly are arranged in the mounting bracket; the front cover is towards one side fixedly connected with metal plate in the installing support, electromagnetic assembly is provided with the wiring, the wiring welding is fixed in the metal plate.

2. A loudspeaker according to claim 1, wherein: the electromagnetic assembly comprises a voice coil and a magnet, wherein the magnet is inserted into the voice coil, the wiring is fixedly connected with the voice coil, and the magnet is abutted to the vibration assembly.

3. A loudspeaker according to claim 2, wherein: the electromagnetic assembly further comprises a gasket which abuts against the front cover and the magnet.

4. A loudspeaker according to claim 3, wherein: the vibration assembly comprises an elastic piece and a U-shaped piece, wherein the elastic piece is fixedly connected to the inner side wall of the support in the circumferential direction, one end of the U-shaped piece is connected to the elastic piece, and one end of the magnet, deviating from the gasket, abuts against the U-shaped piece.

5. A loudspeaker according to claim 4, wherein: the vibration assembly further comprises a lantern ring, and the lantern ring is sleeved and fixed on the outer side wall of the U-shaped piece.

6. A loudspeaker according to claim 5, wherein: the lantern ring with U type spare integrated into one piece, and the U type spare with the lantern ring all injection moulding in the shell fragment.

7. A loudspeaker according to any one of claims 1 to 6, wherein: the opposite sides of the front cover are fixedly connected with metal plates.

8. A loudspeaker according to any one of claims 1 to 6, wherein: the wire is butt-welded to the metal plate.

9. A loudspeaker according to any one of claims 1 to 6, wherein: the surface of the metal plate is provided with a zinc plating layer.

10. An electronic device, characterized in that: comprising a loudspeaker according to any one of claims 1 to 8.