CN220383212U

CN220383212U - Moving-coil loudspeaker

Info

Publication number: CN220383212U
Application number: CN202321616144.0U
Authority: CN
Inventors: 曾各沾
Original assignee: Dongguan Eritten Audio Technology Co ltd
Current assignee: Dongguan Eritten Audio Technology Co ltd
Priority date: 2023-06-25
Filing date: 2023-06-25
Publication date: 2024-01-23
Anticipated expiration: 2033-06-25

Abstract

The utility model relates to the technical field of speakers, and discloses a moving coil speaker, which comprises a basin frame; the permanent magnet assembly is fixed on the basin frame and provided with a magnetic induction channel extending along a first direction; the outer edge of the cone assembly is connected with the cone frame; the moving coil assembly is connected with the cone assembly, one end of the moving coil assembly can be inserted into the magnetic induction channel in a reciprocating manner along the first direction, and the moving coil assembly is provided with a containing hole penetrating through the cone assembly; the transfer center column is accommodated in the accommodating hole, one end of the transfer center column is fixed on the permanent magnet assembly, and the other end of the transfer center column is provided with an assembly groove penetrating through the cone assembly; the connector is arranged in the assembly groove; and the tweeter is inserted in the assembly groove and is electrically connected with the connector, one end of the tweeter is detachably connected with the permanent magnet assembly through a fastener, and the other end of the tweeter is in sealing fit with the edge of the notch of the assembly groove through a sealing ring. The tweeter can be detached and is matched with the edge of the notch through the sealing ring in a sealing way, so that the tweeter can be repeatedly assembled and disassembled without affecting the water resistance.

Description

Moving-coil loudspeaker

Technical Field

The utility model relates to the technical field of speakers, in particular to a moving-coil speaker.

Background

The moving coil loudspeaker is one kind of electroacoustic device and consists of permanent magnet, voice coil, vibrating diaphragm and casing. The permanent magnet is usually made of high-energy products such as neodymium iron boron, the voice coil is made of enameled wires or aluminum, and the vibrating diaphragm material can be paper, plastic or metal. The shell material can be iron, aluminum or plastic.

When current flows through the voice coil, the voice coil is acted by electromagnetic force, and then vibration is generated to drive the vibration film to move, so that sound waves are generated. The vibrating diaphragm radiates sound waves outwards through the refraction cavity or the ventilation hole to form an auditory effect. Depending on the different requirements of the sound production, it is possible to divide the sound into high and low sounds, and a combination of high and low sound speakers is usually used to make the speaker emit high and low sounds.

The prior art can not solve the problem that the tweeter assembled on the woofer can be replaced very simply when the tweeter is waterproof.

Disclosure of Invention

The utility model aims to provide a moving coil loudspeaker which solves the problem that a tweeter can be simply replaced when the tweeter is waterproof.

To achieve the purpose, the utility model adopts the following technical scheme:

a moving coil speaker comprising:

a basin stand;

the permanent magnet assembly is fixed on the basin frame and provided with a magnetic induction channel extending along a first direction;

the outer edge of the cone assembly is connected with the cone frame;

the moving coil assembly is connected with the cone assembly, one end of the moving coil assembly can be inserted into the magnetic induction channel in a reciprocating manner along the first direction, and the moving coil assembly is provided with a containing hole penetrating through the cone assembly;

the transit center column is accommodated in the accommodating hole, one end of the transit center column is fixed to the permanent magnet assembly, and the other end of the transit center column is provided with an assembly groove penetrating through the cone assembly;

a connector disposed in the fitting groove;

the high pitch horn is inserted in the assembly groove and is electrically connected with the connector, one end of the high pitch horn is detachably connected with the permanent magnet assembly through a fastener, and the other end of the high pitch horn is in sealing fit with the edge of the notch of the assembly groove through a sealing ring.

In some embodiments, the moving coil assembly includes:

a moving coil framework which is in a hollow cylindrical tubular shape;

the induction coil surrounds the movable coil framework and is inserted into one end of the magnetic induction channel.

In some embodiments, the cone assembly comprises:

the moving coil framework penetrates through the bass cone and is fixedly connected with the bass cone, and the outer edge of the bass cone is connected with the cone frame;

the moving coil framework penetrates through the elastic wave and is fixedly connected with the elastic wave, and the outer edge of the elastic wave is connected with the basin frame.

In some embodiments, the fastener comprises:

and the fastening screw penetrates through the permanent magnet assembly and is in threaded connection with the tweeter.

In some embodiments, the fastener comprises:

and the sealing gasket piece is sleeved on the fastening screw and is in sealing fit with the permanent magnet assembly.

In some embodiments, the permanent magnet assembly comprises a T-shaped iron with a first hole, a permanent magnet with a second hole, and an iron cover plate with a third hole, the permanent magnet is sandwiched between the T-shaped iron and the iron cover plate, the iron cover plate is fixedly connected with the basin stand, and the first hole, the second hole, and the third hole are combined to form the magnetic induction channel.

In some embodiments, the tweeter includes a tweeter diaphragm, an annular receiving groove for receiving the notch edge is formed at a peripheral edge of the tweeter diaphragm, and the seal ring is disposed in the annular receiving groove.

In some embodiments, the high pitched diaphragm is a metal diaphragm.

In some embodiments, the moving coil speaker further comprises:

the waterproof ring is sleeved on the switching center pillar and is attached to the outer surface of the cone assembly.

In some embodiments, the bass cone is a paper cone.

The utility model has the beneficial effects that:

the moving coil loudspeaker of the utility model, its moving coil assembly has hold hole which runs through the assembly of the cone; the transfer center column is accommodated in the accommodating hole, one end of the transfer center column is fixed on the permanent magnet assembly, and the other end of the transfer center column is provided with an assembly groove penetrating through the cone assembly; the connector is arranged in the assembly groove; the tweeter cartridge is in the assembly groove and is inserted the electricity with the connector and be connected, and tweeter one end passes through fastener and permanent magnet assembly and can dismantle the connection, and the other end passes through sealing washer sealing fit with the notch edge of assembly groove, because set up the connector in its switching center pillar, tweeter cartridge is inserted the electricity in the switching center pillar and is connected with tweeter, therefore tweeter can directly dismantle and, it passes through sealing washer sealing fit notch edge, reaches waterproof sealing's effect, has tweeter can loading and unloading repeatedly and does not influence waterproof advantage.

Drawings

Fig. 1 is a schematic perspective view of a moving coil speaker according to an embodiment of the present utility model;

fig. 2 is a cross-sectional view of a moving coil speaker according to an embodiment of the present utility model;

fig. 3 is a schematic diagram illustrating a moving-coil speaker according to an embodiment of the present utility model;

fig. 4 is a second schematic diagram of a moving-coil speaker according to an embodiment of the present utility model.

In the figure:

x, a first direction;

1. a basin stand;

2. a permanent magnet assembly; 21. t-shaped iron; 22. a permanent magnet; 23. an iron cover plate;

3. a cone assembly; 31. a bass cone; 32. a flick wave;

4. a moving coil assembly; 41. a moving coil skeleton; 42. an induction coil;

5. a transfer center column; 6. a connector;

7. a tweeter; 71. a high-pitched diaphragm;

8. a fastener; 81. a fastening screw; 82. a gasket member;

9. a seal ring; 10. and (5) a waterproof ring.

Detailed Description

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Referring to fig. 1 to 4, embodiments of the present application provide a moving coil speaker including a tub frame 1, a permanent magnet assembly 2, a cone assembly 3, a moving coil assembly 4, a transfer center post 5, a connector 6, a tweeter 7, and a seal ring 9. The permanent magnet assembly 2 is fixed on the basin frame 1, and the permanent magnet assembly 2 is provided with a magnetic induction channel extending along a first direction X; the outer edge of the cone assembly 3 is connected with the cone frame 1; the moving coil assembly 4 is connected with the cone assembly 3, one end of the moving coil assembly 4 can be inserted into the magnetic induction channel in a reciprocating manner along the first direction X, and the moving coil assembly 4 is provided with a containing hole penetrating through the cone assembly 3; the transfer center column 5 is accommodated in the accommodating hole, one end of the transfer center column 5 is fixed on the permanent magnet assembly 2, and the other end of the transfer center column is provided with an assembly groove penetrating through the cone assembly 3; the connector 6 is arranged in the assembly groove; in some embodiments, the connector 6 may be a PCB circuit connection board; the tweeter 7 is inserted in the assembly groove and is electrically connected with the connector 6, one end of the tweeter 7 is detachably connected with the permanent magnet assembly 2 through a fastener 8, and the other end of the tweeter 7 is in sealing fit with the edge of the notch of the assembly groove through a sealing ring 9.

Because the connector 6 is arranged in the assembly groove of the transfer center pillar 5, the tweeter 7 is inserted in the transfer center pillar 5 and is electrically connected with the tweeter 7, the tweeter 7 can be directly detached and is matched with the edge of the notch through the sealing ring 9 in a sealing way, the waterproof sealing effect is achieved, and the tweeter 7 can be repeatedly assembled and disassembled without affecting the waterproof effect.

Wherein for the formation of the magnetic induction channel. In some embodiments, referring to fig. 1 to 4, the permanent magnet assembly 2 includes a T-shaped iron 21 having a first hole, a permanent magnet 22 having a second hole, and an iron cover plate 23 having a third hole, the permanent magnet 22 being interposed between the T-shaped iron 21 and the iron cover plate 23, the iron cover plate 23 being fixedly connected to the tub frame 1, the first hole, the second hole, and the third hole being combined to form a magnetic induction channel.

Referring to fig. 1-4, in some embodiments, moving coil assembly 4 includes a moving coil former 41 and an induction coil 42. The moving coil framework 41 is in a hollow cylindrical tubular shape; the induction coil 42 surrounds one end of the moving coil frame 41 inserted into the magnetic induction channel.

In some embodiments, referring to fig. 1-4, the cone assembly 3 includes a bass cone 31 and a damper 32. The moving coil framework 41 penetrates through the bass cone 31 and is fixedly connected with the bass cone 31, and the outer edge of the bass cone 31 is connected with the cone frame 1; the moving coil skeleton 41 penetrates the elastic wave 32 and is fixedly connected with the elastic wave 32, and the outer edge of the elastic wave 32 is connected with the basin frame 1, so that bass sound is realized.

Referring to fig. 1-4, in some embodiments, the moving-coil speaker further includes a waterproof coil 10, where the waterproof coil 10 is sleeved on the adapting center pillar 5 and is attached to the outer surface of the cone assembly 3, specifically, attached to the outer surface of the bass cone 31, so as to play a role in waterproof. In some embodiments, referring to fig. 1-4, the bass cone 31 is a paper cone for generating bass vibrations.

Referring to fig. 1-4, in some embodiments, the fastener 8 includes a fastening screw 81. The fastening screw 81 penetrates through the permanent magnet assembly 2 and is in threaded connection with the tweeter 7, so that position fixing is achieved.

Referring to fig. 1-4, in some embodiments, the fastener 8 includes a sealing gasket 82, the sealing gasket 82 is sleeved on the fastening screw 81 and is in sealing fit with the permanent magnet assembly 2, specifically, the T-shaped iron 21 is penetrated with a fastening screw 81 jack, and the sealing gasket 82 is fitted with a hole wall of the fastening screw 81 jack.

In some embodiments, referring to fig. 1-4, the tweeter 7 includes a tweeter 71, the peripheral outer edge of the tweeter 71 being formed with an annular receiving groove for receiving the rim of the notch, and the seal ring 9 being disposed in the annular receiving groove. Referring to fig. 1-4, in some embodiments, the high pitched diaphragm 71 is a metallic diaphragm that can produce high pitched vibrations.

The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.

Claims

1. A moving coil loudspeaker comprising:

a basin stand (1);

a permanent magnet assembly (2) fixed to the basin frame (1), the permanent magnet assembly (2) having a magnetic induction channel extending along a first direction (X);

a cone assembly (3) with its outer edge connected to the basin stand (1);

the moving coil assembly (4) is connected with the cone assembly (3), one end of the moving coil assembly (4) can be inserted into the magnetic induction channel in a reciprocating manner along the first direction (X), and the moving coil assembly (4) is provided with a containing hole penetrating through the cone assembly (3);

the transfer center column (5) is accommodated in the accommodating hole, one end of the transfer center column (5) is fixed on the permanent magnet assembly (2), and the other end of the transfer center column is provided with an assembly groove penetrating through the cone assembly (3);

a connector (6) disposed in the fitting groove;

the high-pitch loudspeaker (7) is inserted in the assembly groove and is electrically connected with the connector (6), one end of the high-pitch loudspeaker (7) is detachably connected with the permanent magnet assembly (2) through a fastener (8), and the other end of the high-pitch loudspeaker is in sealing fit with the edge of a notch of the assembly groove through a sealing ring (9).

2. A moving coil loudspeaker according to claim 1, wherein the moving coil assembly (4) comprises:

a moving coil framework (41) which is in a hollow cylindrical tubular shape;

and the induction coil (42) surrounds one end of the moving coil framework (41) inserted into the magnetic induction channel.

3. A moving coil loudspeaker according to claim 2, wherein the cone assembly (3) comprises:

the moving coil framework (41) penetrates through the bass cone (31) and is fixedly connected with the bass cone (31), and the outer edge of the bass cone (31) is connected with the cone frame (1);

the elastic wave (32), the moving coil skeleton (41) runs through the elastic wave (32) and with elastic wave (32) fixed connection, the outer fringe of elastic wave (32) connect in basin frame (1).

4. The moving coil loudspeaker according to claim 1, wherein the fastener (8) comprises:

and the fastening screw (81) penetrates through the permanent magnet assembly (2) and is in threaded connection with the tweeter (7).

5. The moving coil loudspeaker according to claim 4, wherein the fastener (8) comprises:

and the sealing gasket (82) is sleeved on the fastening screw (81) and is in sealing fit with the permanent magnet assembly (2).

6. A moving coil loudspeaker according to claim 1, wherein the permanent magnet assembly (2) comprises a T-shaped iron (21) having a first hole, a permanent magnet (22) having a second hole and an iron cover plate (23) having a third hole, the permanent magnet (22) being sandwiched between the T-shaped iron (21) and the iron cover plate (23), the iron cover plate (23) being fixedly connected to the basin frame (1), the first hole, the second hole and the third hole combining to form the magnetic induction channel.

7. A moving-coil loudspeaker according to claim 1, wherein the tweeter (7) comprises a tweeter (71), an annular receiving groove for receiving the notch edge is formed in the peripheral outer edge of the tweeter (71), and the seal ring (9) is disposed in the annular receiving groove.

8. A moving coil loudspeaker according to claim 7, wherein the tweeter (71) is a metallic diaphragm.

9. The moving coil loudspeaker of claim 1, further comprising:

the waterproof ring (10) is sleeved on the switching center column (5) and is attached to the outer surface of the cone assembly (3).

10. A moving coil loudspeaker according to claim 3, wherein the bass cone (31) is a paper cone.