CN220307374U - Loudspeaker - Google Patents

Abstract

The utility model discloses a loudspeaker, comprising: a basin stand (10) having an open first end face and a second end face; the vibration system (30) comprises a vibrating diaphragm (31), a folding ring (34) and a first extension part (35), wherein the folding ring (34) and the first extension part (35) are annular, the vibrating diaphragm (31) is in a horn shape, the inner peripheral edge of the folding ring (34) is connected with the open end of the vibrating diaphragm (31), and the outer peripheral edge of the folding ring (34) is connected with the inner peripheral edge of the first extension part (35); a first annular member (40) arranged on a first end face of the basin stand (10); the second annular piece (50) is arranged on the first annular piece (40), the first annular piece (40) and the second annular piece (50) are distributed along the axial direction of the basin frame (10), and the first annular piece (40) and the second annular piece (50) are used for clamping and fixing the first extension part (35). The utility model can increase the vibration area of the loudspeaker without increasing the overall size of the loudspeaker.

Description

Loudspeaker

Technical Field

The present utility model relates to a speaker.

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.

The sound wave signals of the middle and low frequency bands have corresponding requirements on the physical size of the vibration area of the loudspeaker, but the vibrating diaphragm of the traditional loudspeaker is generally and directly fixed on the open end face of the basin frame, so that the axial size of the vibrating diaphragm is smaller, and the vibration area of the loudspeaker is smaller, especially for small and compact loudspeakers, because the sound wave signals are generally installed in equipment with smaller space for installing the loudspeaker, such as computers, televisions, mobile phones, vehicles and the like, the whole size of the loudspeakers is limited and cannot be increased, and the vibration area of the loudspeaker cannot be increased by increasing the whole size, so that the small loudspeakers cannot play the middle and low frequency bands well, and the middle and low frequency bands are basic frequency bands of sound, which determine the fullness degree and accuracy of the sound, and the sound with weak middle and low frequency bands is sharp and harsh and is lack of aesthetic feeling.

Disclosure of Invention

The present application provides a speaker which can increase the vibration area of the speaker without increasing the overall size of the speaker.

The loudspeaker provided by the application comprises:

the basin stand is provided with a first end face and a second end face which are open;

the vibrating system comprises a vibrating diaphragm, a folding ring and a first extending part, wherein the folding ring and the first extending part are annular, the vibrating diaphragm is in a horn shape, the inner peripheral edge of the folding ring is connected with the open end of the vibrating diaphragm, and the outer peripheral edge of the folding ring is connected with the inner peripheral edge of the first extending part;

the first annular piece is arranged on the first end face of the basin frame;

the second annular piece is arranged on the first annular piece, the first annular piece and the second annular piece are distributed along the axial direction of the basin frame, and the first annular piece and the second annular piece are used for clamping and fixing the first extension part.

Preferably, the folding ring and the first extension portion are integrally formed.

Preferably, an annular flanging is arranged on the periphery of the first end face of the basin frame, and the annular flanging is arranged around the first annular piece.

Preferably, the first ring-shaped member, the second ring-shaped member and the basin stand are connected by a plurality of fasteners.

Preferably, the folded ring has a wavy structure along the radial direction.

Preferably, the speaker further includes:

the magnetic circuit system comprises T iron, a ring magnet and a washer, wherein the T iron comprises a bottom plate part and a column part arranged on the bottom plate part, the ring magnet and the washer are sleeved on the column part, the ring magnet is arranged between the bottom plate part and the washer, a magnetic gap is formed between the washer and the column part, the upper surface of the washer is attached to the second end face of the basin frame, at least one positioning column is arranged on the upper surface of the washer, at least one positioning hole is arranged on the bottom surface of the basin frame, the positioning columns are in one-to-one correspondence with the positioning holes, and each positioning column is inserted into the corresponding positioning hole.

Preferably, the vibration system further comprises a voice coil and a damper;

the voice coil loudspeaker voice coil passes the second terminal surface of basin frame, and the upper portion of voice coil loudspeaker voice coil is inside the basin frame, and the lower part of voice coil loudspeaker voice coil is located the magnetic gap, and the bullet ripples is annular, and the bullet ripples cover is put fixedly on the upper portion outer wall of voice coil loudspeaker voice coil, and the periphery edge of bullet ripples is fixed mutually with the inner wall of basin frame, and the throat end cover of vibrating diaphragm is put on the voice coil loudspeaker voice coil.

Preferably, the plurality of positioning holes and the plurality of positioning columns are uniformly distributed at intervals around the axial line of the vertical column part of the T iron.

One or more technical solutions provided in the present application have at least the following technical effects or advantages:

according to the loudspeaker, the first annular piece and the second annular piece are arranged on the first end face of the basin frame and distributed along the axial direction of the basin frame, and the first extending part is clamped and fixed by the first annular piece and the second annular piece, so that the first extending part is clamped between the first annular piece and the second annular piece, and the first annular piece is equivalent to heightening the first extending part.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a speaker of the present utility model;

fig. 2 is a cross-sectional view of a loudspeaker of the present utility model;

fig. 3 is an exploded view of the speaker of the present utility model;

FIG. 4 is a schematic diagram of the magnetic circuit system;

fig. 5 is a schematic view of the structure of the basin stand.

Detailed Description

As shown in fig. 1 to 5, the speaker of the present embodiment includes a frame 10, a magnetic circuit system 20, a vibration system 30, a first ring member 40, and a second ring member 50.

The basin frame 10 has an open first end surface and a second end surface, the second end surface of the basin frame 10 is a mounting surface, and the second end surface of the basin frame 10 is used for being connected with the magnetic circuit system 20.

The vibration system 30 includes a diaphragm 31, a voice coil 32, a damper 33, a ring 34, a first extension 35, where the ring 34 and the first extension 35 are annular, the diaphragm 31 is in a horn shape, an inner edge of the ring 34 is connected with an open end of the diaphragm 31, and an outer edge of the ring 34 is connected with an inner edge of the first extension 35.

The first ring 40 is disposed on a first end surface of the tub 10.

The second ring member 50 is disposed on the first ring member 40, the first ring member 40 and the second ring member 50 are distributed along the axial direction of the frame 10, the outer periphery of the first extension portion 35 is located between the first ring member 40 and the second ring member 50, and the first ring member 40 and the second ring member 50 are used for clamping and fixing the first extension portion 35, that is, the first ring member 40 lifts the first extension portion 35, so that the axial dimension of the diaphragm 31 is increased, and the vibration area of the diaphragm 31 is increased.

The folded ring 34 and the first extension portion 35 are integrally formed, a second extension portion is further disposed on the inner peripheral edge of the folded ring 34, the second extension portion is of an annular structure, the second extension portion and the folded ring 34 are integrally formed, and the second extension portion and the open end of the diaphragm 31 are overlapped and connected with each other.

The annular flange 12 is arranged on the peripheral edge of the first end face of the basin frame 10, the annular flange 12 is arranged around the first annular member 40, that is, the annular flange 12 is sleeved on the first annular member 40, and the annular flange 12 limits and fixes the first annular member 40.

The first ring-shaped piece 40, the second ring-shaped piece 50 and the basin frame 10 are connected through a plurality of fasteners, a plurality of first connecting holes 41 are formed in the first ring-shaped piece 40, a plurality of second connecting holes 51 are formed in the second ring-shaped piece 50, a plurality of third connecting holes 13 are formed in the first end face of the basin frame 10, the first connecting holes 41, the second connecting holes 51 and the third connecting holes 13 are arranged in a one-to-one correspondence mode, and each group of corresponding first connecting holes 41, second connecting holes 51 and third connecting holes 13 are connected with each other through one fastener.

The bellows 34 has a wavy structure in the radial direction, so that the vibration area of the bellows 34 can be increased.

The magnetic circuit 20 comprises a T iron 21, a ring magnet 22 and a washer 23, the T iron 21 comprises a bottom plate 211 and a column 212 arranged on the bottom plate 211, the bottom plate 211 and the column 212 are integrally formed, the ring magnet 22 and the washer 23 are sleeved on the column 212, the ring magnet 22 is arranged between the bottom plate 211 and the washer 23, the bottom plate 211, the ring magnet 22 and the washer 23 are mutually fixed through adhesion, a magnetic gap 24 is arranged between the washer 23 and the column 212, the upper surface of the washer 23 is attached to the second end face of the basin frame 10, at least one positioning column 231 is arranged on the upper surface of the washer 23, at least one positioning hole 11 is arranged on the bottom surface of the basin frame 10, the positioning columns 231 are arranged in one-to-one correspondence with the positioning holes 11, and each positioning column 231 is spliced in the corresponding positioning hole 11, so that the magnetic circuit 20 is more firmly connected with the basin frame 10 through splicing the positioning columns 231 in the positioning holes 11.

The second end face of the basin frame 10 is provided with a central hole, the voice coil 32 penetrates through the central hole of the second end face of the basin frame 10, the upper portion of the voice coil 32 is located inside the basin frame 10, the lower portion of the voice coil 32 is located in the magnetic gap 24, the elastic wave 33 is annular, the elastic wave 33 is sleeved and fixed on the outer wall of the upper portion of the voice coil 32, the outer peripheral edge of the elastic wave 33 is fixed with the inner wall of the basin frame 10, and the necking end of the vibrating diaphragm 31 is sleeved and fixed on the voice coil 32, so that the elastic wave 33 can fix the voice coil 32.

The voice coil 32, the diaphragm 31 and the bobbin 10 are coaxially disposed.

The positioning holes 11 and the positioning columns 231 are multiple, and the positioning holes 11 and the positioning columns 231 are uniformly distributed at intervals around the axial line of the column part 212 of the T iron 21.

The foregoing description of the preferred embodiments of the present application is not intended to limit the utility model to the particular embodiments of the present application, but to limit the scope of the utility model to the particular embodiments of the present application.

The specification and drawings are merely exemplary of the application and are to be regarded as covering any and all modifications, variations, combinations, or equivalents that are within the scope of the application. It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the present application and the equivalents thereof, the present application is intended to cover such modifications and variations.

Claims (8)

1. A loudspeaker, comprising:

a basin stand (10) having an open first end face and a second end face;

the vibration system (30) comprises a vibrating diaphragm (31), a folding ring (34) and a first extension part (35), wherein the folding ring (34) and the first extension part (35) are annular, the vibrating diaphragm (31) is in a horn shape, the inner peripheral edge of the folding ring (34) is connected with the open end of the vibrating diaphragm (31), and the outer peripheral edge of the folding ring (34) is connected with the inner peripheral edge of the first extension part (35);

a first annular member (40) arranged on a first end face of the basin stand (10);

the second annular piece (50) is arranged on the first annular piece (40), the first annular piece (40) and the second annular piece (50) are distributed along the axial direction of the basin frame (10), and the first annular piece (40) and the second annular piece (50) are used for clamping and fixing the first extension part (35).

2. Loudspeaker according to claim 1, wherein the folded ring (34) and the first extension (35) are integrally formed.

3. Loudspeaker according to claim 1, characterized in that the circumferential edge of the first end face of the frame (10) is provided with an annular rim (12), the annular rim (12) being arranged around the first annular member (40).

4. Loudspeaker according to claim 1, wherein the first ring member (40), the second ring member (50) and the frame (10) are connected by means of a number of fasteners.

5. Loudspeaker according to claim 1, wherein the folded ring (34) is of a wave-like structure in the radial direction.

6. The loudspeaker of claim 1, wherein the loudspeaker further comprises:

magnetic circuit (20), including T iron (21), ring magnet (22) and washer (23), T iron (21) include bottom plate portion (211) and set up stand portion (212) on bottom plate portion (211), ring magnet (22) and washer (23) are all overlapped and are put on stand portion (212), ring magnet (22) are located between bottom plate portion (211) and washer (23), have magnetic gap (24) between washer (23) and stand portion (212), the upper surface of washer (23) is laminated with the second terminal surface of basin frame (10), be provided with at least one reference column (231) on the upper surface of washer (23), be provided with at least one locating hole (11) on the bottom surface of basin frame (10), reference column (231) and locating hole (11) one-to-one setting, every reference column (231) all peg graft in corresponding locating hole (11).

7. The loudspeaker of claim 6, wherein the vibration system (30) further comprises a voice coil (32) and a damper (33);

the voice coil (32) passes through the second end face of the basin frame (10), the upper part of the voice coil (32) is positioned in the basin frame (10), the lower part of the voice coil (32) is positioned in the magnetic gap (24), the elastic wave (33) is annular, the elastic wave (33) is sleeved and fixed on the outer wall of the upper part of the voice coil (32), the peripheral edge of the elastic wave (33) is fixed with the inner wall of the basin frame (10), and the necking end of the vibrating diaphragm (31) is sleeved and fixed on the voice coil (32).

8. The loudspeaker of claim 6, wherein the plurality of positioning holes (11) and the plurality of positioning posts (231) are provided, and the plurality of positioning holes (11) and the plurality of positioning posts (231) are uniformly spaced circumferentially about the axis of the post portion (212) of the T-iron (21).