CN218772404U

CN218772404U - Horn type loudspeaker

Info

Publication number: CN218772404U
Application number: CN202222927405.2U
Authority: CN
Inventors: 贺根瑞; 欧文; 张海鑫; 刘敏
Original assignee: Huizhou Lianchuang Lisheng Electronic Co ltd
Current assignee: Huizhou Lianchuang Lisheng Electronic Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-03-28
Anticipated expiration: 2032-11-03

Abstract

The utility model relates to a loudspeaker, include: support, U cup, magnet, voice coil loudspeaker voice coil and sound membrane, through be provided with annular spacing collar on the first side at the support, each butt piece evenly sets up on annular spacing collar, the U cup is connected with the first side of support, and the outside surface and each butt piece butt of U cup, the U cup adopts the interference fit mode to assemble with the support, reduce and assemble the position tolerance management and control requirement to support and U cup, can keep the concentricity and the stability of U cup, acoustic stability has been improved.

Description

Horn type loudspeaker

Technical Field

The utility model relates to a speaker technical field, in particular to loudspeaker.

Background

Loudspeaker is a very common public address set, is modern electroacoustic component, by magnet, U cup, packing ring, voice coil loudspeaker voice coil, support, terminal board and cotton thread group constitute, the effect is with signal of telecommunication conversion to sound, when different electronic energy passed to the coil, the coil produced the magnetic field of an energy and magnet and interacted, cause the paper dish vibration, because electronic energy changes at any time, the coil of loudspeaker can be forward or backward motion, consequently the paper dish of loudspeaker will follow the motion for the density degree of air produces the change and produces the sound.

When current loudspeaker were assembled, the fit dimension was all by material tolerance between U cup and the support, then bonded together through glue, because of the difficult high accuracy assurance of material tolerance, the loudspeaker concentricity that makes like this is poor, influences the performance of loudspeaker.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a horn.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a horn, comprising: the voice coil comprises a bracket, a U-shaped cup, a magnet, a voice coil and a voice film;

an annular limiting ring is arranged on the first side of the support, a plurality of abutting blocks are arranged on the annular limiting ring, the abutting blocks are uniformly arranged on the annular limiting ring, the U-shaped cup is connected with the first side of the support, and the abutting blocks are abutted to the outer side surface of the U-shaped cup;

the magnet sets up in the U cup, be provided with the china department on the magnet, the width of magnet is less than the width of U cup, magnet with the interval forms the annular chamber between the U cup, the first end activity of voice coil loudspeaker voice coil sets up in the annular chamber, the second end of voice coil loudspeaker voice coil with the first end of voice diaphragm is connected, the second end of voice diaphragm with the second side of support is connected.

In one embodiment, the number of abutment blocks is an even number.

In one embodiment, the number of abutment blocks is eight.

In one embodiment, the voice coil is provided with an elastic wave, the inner side wall of the elastic wave is connected with the voice coil, and the outer side wall of the elastic wave is connected with the bracket.

In one embodiment, a dust cap is disposed on the voice coil.

In one embodiment, a boss is arranged in the U cup, and the magnet is arranged on the boss.

In one embodiment, further comprising: the voice coil comprises a first terminal plate and a second terminal plate, wherein the first terminal plate is electrically connected with a first end of the voice coil, and the second terminal plate is electrically connected with a second end of the voice coil.

In one embodiment, the bracket is provided with a first fixing block, the first fixing block is provided with a first fixing groove, and the first terminal plate is fixed in the first fixing groove.

In one embodiment, a second fixing block is disposed on the bracket, a second fixing groove is formed in the second fixing block, and the second terminal board is fixed in the second fixing groove.

In one embodiment, a width of a side of the abutment block facing the U-cup is smaller than a width of a side of the abutment block facing away from the U-cup.

The beneficial effects of the utility model are that: the utility model provides a pair of loudspeaker, through being provided with annular spacing collar on the first side at the support, each butt piece evenly sets up on annular spacing collar, and the U cup is connected with the first side of support, and the outside surface and each butt piece butt of U cup, and the U cup adopts the interference fit mode with the support to assemble, reduces to support and U cup assembly position tolerance management and control requirement, can keep the concentricity and the stability of U cup, has improved acoustic performance stability.

Drawings

FIG. 1 is a schematic structural diagram of a horn according to an embodiment;

FIG. 2 is a schematic perspective exploded view of a speaker according to an embodiment;

fig. 3 is a schematic cross-sectional structure diagram of a horn according to an embodiment.

In the attached drawings, 10, a horn; 100. a support; 200. an annular spacing ring; 210. a butting block; 300. a U cup; 310. an annular cavity; 320. a boss; 400. a voice coil; 410. a dust cap; 420. elastic wave; 500. a sound membrane; 510. folding the ring; 600. a magnet; 610. washer; 710. a first terminal board; 720. a second terminal plate.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other. The following will combine the drawings of the embodiments of the present invention to further describe the technical solution of the present invention, and the present invention is not limited to the following specific embodiments.

It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar parts. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, the description is merely for convenience of description and simplicity of description, but does not indicate or imply that the equipment or components referred to must have specific orientations, be constructed in specific orientations, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art will understand the specific meanings of the terms according to specific situations.

In one embodiment, as shown in fig. 1, 2 and 3, a horn 10 comprises: the support 100, the U-cup 300, the magnet 600, the voice coil 400, and the voice diaphragm 500; an annular limiting ring 200 is arranged on the first side of the bracket 100, a plurality of abutting blocks 210 are arranged on the annular limiting ring 200, the abutting blocks 210 are uniformly arranged on the annular limiting ring 200, the U-shaped cup 300 is connected with the first side of the bracket 100, and the abutting blocks 210 are abutted against the outer side surface of the U-shaped cup 300; magnet 600 sets up in the U cup 300, be provided with china 610 on the magnet 600, the width of magnet 600 is less than the width of U cup 300, magnet 600 with the interval forms annular chamber 310 between the U cup 300, the activity of first end of voice coil 400 sets up in the annular chamber 310, the second end of voice coil 400 with the first end of voice diaphragm 500 is connected, the second end of voice diaphragm 500 with the second side of support 100 is connected.

In this embodiment, annular spacing collar 200 forms the holding tank at the interval on the first side of support 100, each butt piece 210 evenly sets up on the lateral wall of holding tank, namely each butt piece 210 evenly sets up on the inside wall of annular spacing collar 200, the width of U cup 300 towards the one end of annular spacing collar 200 and the looks adaptation of the width of holding tank, when the one end of U cup 300 gets into and is connected with the first side of support 100 behind the holding tank, each butt piece 210 encircles the setting on the outside surface of U cup 300, and each butt piece 210 all butts with the outside surface butt of U cup 300, and like this, U cup 300 adopts interference fit mode to assemble with support 100, reduce the requirement of assembling part tolerance management and control to support 100 and U cup 300, can keep the concentricity and the stability of U cup 300, acoustic stability has been improved.

In this embodiment, the voice coil 400 is movably disposed in the support 100, and the first end of the voice coil 400 is movably disposed in the annular cavity 310, and the width of the magnet 600 is smaller than the width of the voice coil 400, so that when the voice coil 400 is forced to move in a direction close to the magnet 600, the magnet 600 can be disposed in the first end of the voice coil 400, thereby avoiding collision between the voice coil 400 and the magnet 600, and after the voice coil 400 is powered on, a magnetic field is generated and interacts with a magnetic field generated by the magnet 600, because the electronic energy changes at any time, that is, by changing the current direction or the current magnitude, the voice coil 400 can move up and down to drive the voice diaphragm 500 to move, and the instantaneous rhythm of contraction and expansion can change the density degree of air to generate sound.

In order to better maintain concentricity and stability of the U-cup 300. In one embodiment, the number of abutment blocks 210 is an even number. Specifically, the number of the abutting blocks 210 is set to be even, so that the abutting blocks are symmetrically arranged on the annular limiting ring 200, the outer side surface of the U cup 300 is uniformly stressed after the U cup 300 is embedded into the accommodating groove, and the concentricity and the stability of the U cup 300 can be better maintained.

In one embodiment, the number of the abutment blocks 210 is eight. Specifically, the eight abutting blocks 210 are uniformly distributed on the annular limiting block, that is, the distance between every two adjacent abutting blocks 210 is equal, so that the stress on the outer side surface of the U cup 300 can be further uniform, and the concentricity and the stability of the U cup 300 can be better maintained.

In one embodiment, as shown in fig. 2, the width of the side of the abutment block 210 facing the U-cup 300 is smaller than the width of the side of the abutment block 210 facing away from the U-cup 300. Specifically, when the U cup 300 is mounted on the bracket 100, the abutting block 210 gradually increases along a direction from one side of the U cup 300 to one side far away from the U cup 300, so that the U cup 300 can better enter the receiving groove, and the U cup 300 and the bracket 100 can be better assembled by means of interference fit.

In one embodiment, as shown in fig. 3, an elastic wave 420 is disposed on the voice coil 400, an inner sidewall of the elastic wave 420 is connected to the voice coil 400, and an outer sidewall of the elastic wave 420 is connected to the support 100. Specifically, the damper 420 has an annular structure, and by providing the damper 420, the correct position of the voice coil 400 in the magnetic gap can be maintained, so that the voice coil 400 can stably reciprocate in the axial direction when being stressed, and meanwhile, dust can be prevented from entering the U-cup 300.

In one embodiment, as shown in fig. 3, a corrugated rim 510 is disposed on the second side of the support 100, one end of the corrugated rim 510 is connected to the second side of the support 100, and the other end of the corrugated rim 510 is connected to the second end of the voice diaphragm 500, so that the voice diaphragm 500 can stably reciprocate in the axial direction when being stressed, and the correct position of the voice coil 400 in the magnetic gap can be further maintained.

In one embodiment, as shown in fig. 1, a dust cap 410 is disposed on the voice coil 400. Specifically, the end of the voice coil 400 away from the magnet 600 is provided with the dust cap 410, so that dust can be prevented from entering the voice coil 400, and the frequency response curve of the loudspeaker 10 can be improved.

In one embodiment, as shown in fig. 3, a boss 320 is provided in the U-cup 300, and the magnet 600 is disposed on the boss 320. Specifically, the width of the boss 320 is matched with the width of the magnet 600, so that the length of the annular cavity 310 in the vertical direction can be increased, and thus, when the voice coil 400 is forced to move in a direction close to the magnet 600, the distance of downward movement of the voice coil 400 can be increased, and the loudspeaker 10 has better acoustic performance.

In one embodiment, as shown in fig. 1, the horn 10 further comprises: a first terminal plate 710 and a second terminal plate 720, the first terminal plate 710 being electrically connected to a first end of the voice coil 400, the second terminal plate 720 being electrically connected to a second end of the voice coil 400. Specifically, by providing the first terminal plate 710 and the second terminal plate 720, the voice coil 400 can be energized to generate a magnetic field to interact with the magnetic field of the magnet 600, so that the voice coil 400 can move up and down to drive the diaphragm 500 to move.

In one embodiment, the bracket 100 is provided with a first fixing block, the first fixing block is provided with a first fixing groove, the first terminal board 710 is fixed in the first fixing groove, the bracket 100 is provided with a second fixing block, the second fixing block is provided with a second fixing groove, and the second terminal board 720 is fixed in the second fixing groove. Specifically, the first fixing block and the second fixing block are disposed on the bracket 100 at an interval, the width of the first fixing groove is adapted to the width of the first terminal plate 710, and the width of the second fixing groove is adapted to the width of the second terminal plate 720, so that the first terminal plate 710 and the second terminal plate 720 can be stably fixed on the bracket 100.

In one embodiment, a first step is provided on the first side of the bracket 100, and a second step is provided on the U-cup 300, and the first step is matched with the second step, so that the bonding area of the U-cup 300 and the bracket 100 can be increased, and the U-cup 300 can be more stably connected to the bracket 100.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A horn, comprising: the voice coil comprises a bracket, a U-shaped cup, a magnet, a voice coil and a voice film;

an annular limiting ring is arranged on the first side of the support, a plurality of abutting blocks are arranged on the annular limiting ring, the abutting blocks are uniformly arranged on the annular limiting ring, the U-shaped cup is connected with the first side of the support, and the abutting blocks are abutted against the outer side surface of the U-shaped cup;

2. The horn of claim 1, wherein the number of said abutment blocks is an even number.

3. The horn of claim 2, wherein the number of said abutment blocks is eight.

4. The horn of claim 1, wherein the voice coil has an elastic wave disposed thereon, an inner sidewall of the elastic wave is connected to the voice coil, and an outer sidewall of the elastic wave is connected to the bracket.

5. The horn of claim 1, wherein a dust cap is disposed on the tone ring.

6. The horn of claim 1, wherein a boss is disposed within the U-cup, the magnet being disposed on the boss.

7. The horn of claim 1, further comprising: the voice coil comprises a first terminal plate and a second terminal plate, wherein the first terminal plate is electrically connected with a first end of the voice coil, and the second terminal plate is electrically connected with a second end of the voice coil.

8. The horn of claim 7, wherein the bracket is provided with a first fixing block, the first fixing block is provided with a first fixing groove, and the first terminal plate is fixed in the first fixing groove.

9. The horn of claim 8, wherein the bracket is provided with a second fixing block, the second fixing block is provided with a second fixing groove, and the second terminal plate is fixed in the second fixing groove.

10. The horn of claim 1, wherein a width of a side of the abutment block facing the U-cup is less than a width of a side of the abutment block facing away from the U-cup.