CN215734820U

CN215734820U - Fidelity type horn structure

Info

Publication number: CN215734820U
Application number: CN202121010091.9U
Authority: CN
Inventors: 许伟生
Original assignee: Dongguan Fuxin Electronics Co ltd
Current assignee: Dongguan Fuxin Electronics Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2022-02-01
Anticipated expiration: 2031-05-12

Abstract

The utility model provides a fidelity type horn structure which comprises a horn, wherein the horn comprises a gasket, a diaphragm, a support, a washer, a magnet, a voice coil and a U-shaped iron, a first bonding pad and a second bonding pad are fixed on the support, two connecting wires of the voice coil are respectively welded at the upper ends of the first bonding pad and the second bonding pad, a mounting hole is formed in the middle of the support, the U-shaped iron is fixed on the inner side of the mounting hole, a circular groove is formed in the middle of the upper end of the U-shaped iron, the voice coil, the magnet and the washer are all located on the inner side of the circular groove, a limiting groove is formed in the outer side of the edge of the upper end of the U-shaped iron, and a limiting block matched with the limiting groove is arranged on the inner side of the upper end of the mounting hole. The loudspeaker of the utility model does not need to be assembled in an aligning way, has high assembly efficiency and can prevent the loudspeaker from generating a phenomenon of overlarge distortion.

Description

Fidelity type horn structure

Technical Field

The utility model relates to the field of loudspeakers, in particular to a fidelity type loudspeaker structure.

Background

The horn is also called loudspeaker, it is a very common electroacoustic transducer, it can convert the electric signal into acoustic signal, the quality of the horn has great influence on the tone quality. The horn is the weakest component in the audio equipment, and is the most important component for the audio effect. Loudspeakers are of a wide variety and vary widely in price. The audio frequency electric energy makes the paper cone or the diaphragm vibrate and generate resonance (resonance) with the surrounding air through electromagnetic, piezoelectric or electrostatic effect to make sound.

Conventional horn structure for prevent that the U iron is not hard up, designs into the structure that has the breach with the U iron in general, utilizes the fixed U iron of the cooperation of breach and support, however the breach can lead to magnetic field uneven distribution to the too big phenomenon of loudspeaker distortion appears, influences the performance of loudspeaker, in addition, because need counterpoint when the breach cooperation, has influenced the assembly efficiency of loudspeaker.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides a fidelity type horn structure which does not need to be assembled in an aligning way, has high assembly efficiency and can prevent the phenomenon of overlarge distortion of a horn.

In order to achieve the purpose, the utility model is solved by the following technical scheme:

the utility model provides a fidelity type horn structure, includes loudspeaker, loudspeaker include packing ring, diaphragm, support, china department, magnet, voice coil loudspeaker voice coil, U iron, be fixed with first pad, second pad on the support, two wiring of voice coil loudspeaker voice coil weld respectively in first pad, second pad upper end, the support middle part is equipped with a mounting hole, U iron is fixed the mounting hole is inboard, U iron upper end middle part is formed with the circular slot, voice coil loudspeaker voice coil, magnet, china department all are located the circular slot is inboard, the edge outside of U iron upper end is formed with the spacing groove, mounting hole upper end inboard be equipped with spacing groove matched with stopper.

Specifically, the support is provided with a hollow groove, and a plurality of air holes are formed in the bottom of the hollow groove.

Specifically, the first pad includes a first soldering portion, a first conductive portion, and a second soldering portion, and one of the connection wires of the voice coil is soldered to the first soldering portion.

Specifically, the second pad includes a third soldering portion, a second conductive portion, and a fourth soldering portion, and the other connection of the voice coil is soldered to the third soldering portion.

Specifically, the distance between the first welding part and the third welding part is a, the distance between the second welding part and the fourth welding part is b, and a > b.

The utility model has the beneficial effects that:

1. according to the loudspeaker, the limiting groove is formed on the outer side of the edge of the upper end of the U-shaped iron, the limiting block matched with the limiting groove is arranged on the inner side of the upper end of the mounting hole in the middle of the support, alignment assembly is not needed, the assembling efficiency is high, a notch is not needed to be formed in the U-shaped iron, the structural integrity of the U-shaped iron is guaranteed, the magnetic field in the U-shaped iron is prevented from being unevenly distributed, the phenomenon of overlarge loudspeaker distortion is avoided, and the performance of the loudspeaker is guaranteed;

2. first pad, second pad all are the zigzag structure to interval between first weld part and the third weld part is great, has increaseed the interval of two connections of voice coil loudspeaker voice coil, prevents that wire-wound phenomenon from appearing, and first pad, second pad lower extreme all are connected with the circuit board, and the interval between second weld part and the fourth weld part is less, can reduce the circuit board size.

Drawings

Fig. 1 is a schematic structural diagram of a fidelity horn structure according to the present invention.

Fig. 2 is an exploded view of a fidelity horn configuration of the present invention.

Fig. 3 is a schematic structural diagram of the bracket, the first pad, and the second pad.

Fig. 4 is a front view of the U-iron.

Fig. 5 is a cross-sectional view taken along the plane a-a in fig. 4.

Fig. 6 is a bottom view of the bracket.

Fig. 7 is a cross-sectional view taken along plane B-B of fig. 6.

The reference signs are: the diaphragm type loudspeaker comprises a gasket 1, a diaphragm 2, a support 3, a mounting hole 31, a limiting block 32, a hollow groove 33, an air hole 34, a washer 4, a magnet 5, a voice coil 6, a U-shaped iron 7, a circular groove 71, a limiting groove 72, a first welding plate 8, a first welding portion 81, a first conductive portion 82, a second welding portion 83, a second welding portion 9, a third welding portion 91, a second conductive portion 92 and a fourth welding portion 93.

Detailed Description

The present invention will be described in further detail with reference to examples and drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1-7:

the utility model provides a fidelity type horn structure, which comprises a horn, loudspeaker include packing ring 1, diaphragm 2, support 3, china department 4, magnet 5, voice coil loudspeaker voice coil 6, U indisputable 7, be fixed with first pad 8 on the support 3, second pad 9, two wiring of voice coil loudspeaker voice coil 6 weld respectively at first pad 8, second pad 9 upper end, support 3 middle part is equipped with a mounting hole 31, U indisputable 7 is fixed in mounting hole 31 inboard, U indisputable 7 upper end middle part is formed with circular slot 71, voice coil loudspeaker voice coil 6, magnet 5, china department 4 all is located circular slot 71 inboard, U indisputable 7 upper end edge outside is formed with spacing groove 72, mounting hole 31 upper end inboard is equipped with spacing block 32 with spacing groove 72 matched with, when U indisputable 7 assembles with support 3, upwards insert U indisputable 7 along mounting hole 31, make spacing block 32 block go into in the spacing groove 72 can.

Preferably, a hollow-out groove 33 is formed on the support 3, and a plurality of air holes 34 are formed in the bottom of the hollow-out groove 33.

Preferably, the first pad 8 includes a first soldering portion 81, a first conductive portion 82, and a second soldering portion 83, and one of the wires of the voice coil 6 is soldered to the first soldering portion 81.

Preferably, the second pad 9 includes a third soldering portion 91, a second conductive portion 92, and a fourth soldering portion 93, and the other connection of the voice coil 6 is soldered to the third soldering portion 91.

Preferably, the first pad 8 and the second pad 9 are both in a zigzag structure, the distance between the first welding portion 81 and the third welding portion 91 is a, the distance between the second welding portion 83 and the fourth welding portion 93 is b, a > b, after the two wires of the voice coil are respectively welded with the first welding portion 81 and the third welding portion 91, because the distance between the first welding portion 81 and the third welding portion 91 is large, two wire windings of the voice coil can be avoided, and thus the short circuit phenomenon is avoided, a circuit board is usually arranged at the lower ends of the first pad 8 and the second pad 9, and the distance between the second welding portion and the fourth welding portion is small, so that the positions of the cathode pad and the anode pad on the circuit board can be designed to be closer, and the size of the circuit board can be reduced.

The above examples only show one embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A fidelity type horn structure is characterized by comprising a horn, wherein the horn comprises a gasket (1), a diaphragm (2), a bracket (3), a washer (4), a magnet (5), a voice coil (6) and a U-shaped iron (7), a first bonding pad (8) and a second bonding pad (9) are fixed on the bracket (3), two connecting wires of the voice coil (6) are respectively welded at the upper ends of the first bonding pad (8) and the second bonding pad (9), the middle part of the bracket (3) is provided with a mounting hole (31), the U-shaped iron (7) is fixed at the inner side of the mounting hole (31), a circular groove (71) is formed in the middle of the upper end of the U-shaped iron (7), the voice coil (6), the magnet (5) and the washer (4) are all located on the inner side of the circular groove (71), a limiting groove (72) is formed in the outer side of the edge of the upper end of the U-shaped iron (7), and a limiting block (32) matched with the limiting groove (72) is arranged on the inner side of the upper end of the mounting hole (31).

2. The fidelity type horn structure of claim 1, wherein the bracket (3) is provided with a hollow groove (33), and the bottom of the hollow groove (33) is provided with a plurality of air holes (34).

3. A fidelity type horn structure as claimed in claim 1, wherein said first land (8) comprises a first soldering portion (81), a first conductive portion (82), a second soldering portion (83), and one of the connections of said voice coil (6) is soldered to said first soldering portion (81).

4. A fidelity type horn structure as claimed in claim 3, wherein said second pad (9) comprises a third soldering portion (91), a second conductive portion (92), a fourth soldering portion (93), and the other wire of said voice coil (6) is soldered to said third soldering portion (91).

5. A fidelity horn structure as claimed in claim 4, wherein the spacing between the first weld (81) and the third weld (91) is a, the spacing between the second weld (83) and the fourth weld (93) is b, a > b.