CN216700301U

CN216700301U - Voice coil

Info

Publication number: CN216700301U
Application number: CN202123451550.XU
Authority: CN
Inventors: 陈小源
Original assignee: Shenzhen Shenghong Electronics Co ltd
Current assignee: Shenzhen Shenghong Electronics Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-07
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to the technical field of voice coils, in particular to a voice coil which comprises a framework, wherein positioning grooves are formed in the surfaces of two sides of the framework, a coil is arranged on the framework, two connecting wires are fixedly connected to the coil, protective paper is arranged on the framework, and a connecting structure is arranged on the framework and comprises a first fixing piece and a second fixing piece. According to the voice coil, the first fixing piece is loosened, the two round balls are respectively clamped in the positioning groove due to the elastic action of the spring, so that the first fixing piece and the second fixing piece are fixed, the voice coil is convenient to install the first fixing piece and the second fixing piece, the contact surface of the upper end part of the framework is enlarged by the first fixing piece and the second fixing piece, the contact surface with the vibrating diaphragm is increased, the first fixing piece and the second fixing piece are fixed through glue, the first fixing piece and the second fixing piece play a supporting role, the connection is more stable, the voice coil is not prone to deformation, and the service life of the voice coil is prolonged.

Description

Voice coil

Technical Field

The application relates to voice coil technical field especially relates to a voice coil.

Background

The Voice Coil (Voice Coil) is defined directly as a Coil through which an audio current flows, and is an important component of an electrodynamic loudspeaker vibration system, and can also be said to be the heart of the loudspeaker. The performance of the voice coil affects the sound pressure frequency characteristics, sound pressure level, impedance curve, distortion, transient characteristics, speaker parameters, sound quality, etc. of the speaker, particularly with respect to the power rating and life of the speaker. Just as a fatal factor of heart disease, speaker damage often begins with the voice coil, which is one of the important components of the speaker. When the alternating audio current passes through the voice coil, the voice coil generates the alternating current which changes along with the audio, cuts the magnetic force line to generate mechanical vibration, and drives the cone to vibrate to make a sound.

As disclosed in the chinese patent: a utility model loudspeaker voice coil, publication number: CN201352850Y,' have tone quality of preferred, stable job sensitivity and longer working life, compare with the speaker of the ordinary voice coil loudspeaker voice coil of adoption of prior art, obviously have the harmful effects that can effectively overcome the temperature humidity change in the environment and bring, the rigidity is stronger, job sensitivity is higher, job stability is better and unique advantages such as working life is longer, therefore have very strong practicality and valuable market perspective, but in the in-service use process, the voice coil loudspeaker voice coil is connected stably inadequately, yielding, the life of voice coil loudspeaker voice coil has been reduced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a voice coil to solve the above problems.

The embodiment of the application adopts the following technical scheme:

the utility model provides a voice coil loudspeaker voice coil, includes the skeleton, the constant head tank has all been seted up on the both sides surface of skeleton, be provided with the coil on the skeleton, two connecting wires of fixedly connected with on the coil, be provided with the protecting paper on the skeleton, be provided with connection structure on the skeleton, connection structure includes first mounting and second mounting.

Preferably, the two positioning grooves are symmetrically distributed around the middle point of the framework, and the two positioning grooves do not penetrate through the framework.

Preferably, the second fixing piece and the first fixing piece form a semi-surrounding structure and are movably sleeved on the framework, circular grooves are formed in the surfaces of the two sides of the second fixing piece, and annular grooves are formed in the side wall surfaces of the circular grooves.

Preferably, the end parts of the two sides of the first fixing piece are fixedly connected with circular rods, the end parts of the two circular rods are fixedly connected with connecting blocks, and the two circular rods are movably inserted into the circular grooves respectively.

Preferably, the two connecting blocks are respectively arranged in the annular groove in a sliding manner, springs are movably sleeved on the surfaces of the two circular rods, and the two springs are respectively arranged in the annular groove.

Preferably, the bottom of first mounting and second mounting is the equal fixedly connected with fixed block, two the fixed block is the L shape, two the equal fixedly connected with ball of tip of fixed block, two the ball sets up respectively in the constant head tank.

Preferably, the upper end parts of the first fixing piece and the second fixing piece are fixedly connected with connecting pieces.

The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:

one of them, the spring atress compression, two fixed blocks can keep away from the removal each other, cup joint the semi-enclosed structure that first mounting and second mounting formed at the upper end of skeleton this moment, loosen the elastic action of first mounting because the spring, make two balls joint respectively in the constant head tank, make first mounting and the fixed completion of second mounting, this voice coil loudspeaker voice coil is convenient for install first mounting and second mounting, first mounting and second mounting have enlarged the contact surface of skeleton upper end, increased the contact surface with the vibrating diaphragm, the rethread glue is fixed, first mounting and second mounting have played the supporting role, make to connect more stably, non-deformable, the life of this voice coil loudspeaker voice coil has been prolonged.

And the connecting piece is fixedly arranged at the upper end parts of the first fixing piece and the second fixing piece, the connecting piece and the vibrating diaphragm are fixed through glue and the vibrating diaphragm, the connecting piece is made of soft materials, hard objects can be effectively prevented from contacting the vibrating diaphragm, damage is caused, and the service life of the voice coil is further prolonged.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of the general structure of the voice coil of the present invention;

FIG. 2 is a schematic view of a positioning groove according to the present invention;

FIG. 3 is a schematic view of the construction of the connector of the present invention;

FIG. 4 is a schematic structural view of a first fastener of the present invention;

fig. 5 is a schematic plan view of a second fastener of the present invention.

In the figure: 1. a framework; 11. positioning a groove; 12. protective paper; 13. a coil; 14. a connecting wire; 2. a first fixing member; 3. a second fixing member; 31. a circular groove; 32. an annular groove; 4. a circular rod; 41. connecting blocks; 5. a spring; 6. a fixed block; 61. a ball; 7. a connecting member.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

Referring to fig. 1, 2, 3, 4 and 5, a voice coil includes a frame 1, positioning slots 11 are formed on both side surfaces of the frame 1, a coil 13 is disposed on the frame 1, two connecting wires 14 are fixedly connected to the coil 13, a protective paper 12 is disposed on the frame 1, a connecting structure is disposed on the frame 1, the connecting structure includes a first fixing member 2 and a second fixing member 3, the two positioning slots 11 are symmetrically distributed around a midpoint of the frame 1, the two positioning slots 11 do not penetrate through the frame 1, the second fixing member 3 and the first fixing member 2 form a semi-surrounding structure and are movably sleeved on the frame 1, circular slots 31 are formed on both side surfaces of the second fixing member 3, an annular groove 32 is formed on a side wall surface of each circular slot 31, the first fixing member 2 is pulled outwards to expand a gap between the first fixing member 2 and the second fixing member 3, in the moving process of the first fixing piece 2, the circular rod 4 can slide in the circular groove 31, the connecting block 41 slides in the annular groove 32, so that the spring 5 is stressed and compressed, the two fixing blocks 6 can be mutually far away and move, at the moment, the semi-surrounding structure formed by the first fixing piece 2 and the second fixing piece 3 is sleeved at the upper end part of the framework 1, the first fixing piece 2 is loosened, due to the elastic action of the spring 5, so that the two round balls 61 are respectively clamped in the positioning groove 11, the first fixing piece 2 and the second fixing piece 3 are fixed, the voice coil is convenient to install the first fixing piece 2 and the second fixing piece 3, the contact surface of the upper end part of the framework 1 is enlarged by the first fixing piece 2 and the second fixing piece 3, the contact surface with the vibrating diaphragm is increased, the fixing is carried out through glue, the first fixing piece 2 and the second fixing piece 3 play a supporting role, so that the connection is more stable and is not easy to deform, the service life of the voice coil is prolonged, further, the upper end parts of the first fixing part 2 and the second fixing part 3 are fixedly provided with the connecting parts 7, the connecting parts 7 and the vibrating diaphragm are fixed with the vibrating diaphragm through glue, the connecting parts 7 are made of soft materials, hard objects can be effectively prevented from being in contact with the vibrating diaphragm to cause damage, the service life of the voice coil is further prolonged, the end parts of the two sides of the first fixing part 2 are fixedly connected with the circular rods 4, the end parts of the two circular rods 4 are fixedly connected with the connecting blocks 41, the two circular rods 4 are movably inserted in the circular grooves 31 respectively, the two connecting blocks 41 are arranged in the annular groove 32 in a sliding mode respectively, the surfaces of the two circular rods 4 are movably sleeved with the springs 5, the two springs 5 are arranged in the annular groove 32 respectively, the bottom ends of the first fixing part 2 and the second fixing part 3 are fixedly connected with the fixing blocks 6, and the two fixing blocks 6 are L-shaped, the equal fixedly connected with ball 61 of tip of two fixed blocks 6, two balls 61 set up respectively in constant head tank 11, the equal fixedly connected with connecting piece 7 of the upper end of first mounting 2 and second mounting 3.

When the voice coil is used, the first fixing piece 2 is pulled outwards, so that the gap between the first fixing piece 2 and the second fixing piece 3 is enlarged, when the first fixing piece 2 moves, the circular rod 4 slides in the circular groove 31, the connecting block 41 slides in the annular groove 32, so that the spring 5 is stressed and compressed, the two fixing blocks 6 move away from each other, at the moment, a semi-surrounding structure formed by the first fixing piece 2 and the second fixing piece 3 is sleeved at the upper end part of the framework 1, the two round balls 61 are respectively clamped in the positioning grooves 11 due to the elastic action of the spring 5 when the first fixing piece 2 is loosened, so that the first fixing piece 2 and the second fixing piece 3 are fixed, the voice coil is convenient to install the first fixing piece 2 and the second fixing piece 3, the contact surface of the upper end part of the framework 1 is enlarged by the first fixing piece 2 and the second fixing piece 3, the contact surface with the vibrating diaphragm is increased, and then the fixing is carried out through glue, first mounting 2 and second mounting 3 have played the supporting role for connect more stably, non-deformable has prolonged the life of this voice coil loudspeaker voice coil, and is further, the equal fixed mounting of upper end of first mounting 2 and second mounting 3 has connecting piece 7, connecting piece 7 is fixed with the vibrating diaphragm through glue and vibrating diaphragm, and this connecting piece 7 is soft material, can prevent effectively that hard object and vibrating diaphragm from contacting, causes the damage, has further prolonged the life of this voice coil loudspeaker voice coil.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A voice coil comprising a bobbin (1), characterized in that: positioning grooves (11) are formed in the surfaces of two sides of the framework (1), a coil (13) is arranged on the framework (1), two connecting wires (14) are fixedly connected to the coil (13), and protective paper (12) is arranged on the framework (1);

be provided with connection structure on skeleton (1), connection structure includes first mounting (2) and second mounting (3).

2. A voice coil as claimed in claim 1, wherein: the two positioning grooves (11) are symmetrically distributed around the middle point of the framework (1), and the two positioning grooves (11) do not penetrate through the framework (1).

3. A voice coil as claimed in claim 2, wherein: second mounting (3) and first mounting (2) form a semi-surrounding structure to the activity cup joints on skeleton (1), circular recess (31) have all been seted up to the both sides surface of second mounting (3), every annular groove (32) have all been seted up to the side wall face of circular recess (31).

4. A voice coil as claimed in claim 3, wherein: the end parts of the two sides of the first fixing piece (2) are fixedly connected with the circular rods (4), the end parts of the two circular rods (4) are fixedly connected with the connecting blocks (41), and the two circular rods (4) are movably inserted in the circular grooves (31) respectively.

5. A voice coil as claimed in claim 4, wherein: the two connecting blocks (41) are respectively arranged in the annular groove (32) in a sliding manner, the surface of the two circular rods (4) is movably sleeved with springs (5), and the two springs (5) are respectively arranged in the annular groove (32).

6. A voice coil as claimed in claim 5, wherein: the equal fixedly connected with fixed block in bottom (6) of first mounting (2) and second mounting (3), two fixed block (6) are the L shape, two the equal fixedly connected with ball (61) in tip of fixed block (6), two ball (61) sets up respectively in constant head tank (11).

7. A voice coil as claimed in claim 6, wherein: the upper end parts of the first fixing piece (2) and the second fixing piece (3) are fixedly connected with connecting pieces (7).