CN213602829U

CN213602829U - Effectual speaker of magnetic force transmission

Info

Publication number: CN213602829U
Application number: CN202022705211.9U
Authority: CN
Inventors: 戴春华
Original assignee: Xinyang Yensonic Magnetoelectricity Technology Co ltd
Current assignee: Xinyang Yensonic Magnetoelectricity Technology Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-07-02
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses an effectual speaker of magnetic force transmission belongs to speaker technical field, including the bottom, the right side of bottom is provided with T iron, the left side of T iron contacts with the right side of bottom, the right side fixedly connected with rubidium iron boron magnet of T iron, the right-hand member of T iron is located the inside of rubidium iron boron magnet, the cover is equipped with the voice coil loudspeaker voice coil on the right-hand member of T iron, the voice coil loudspeaker voice coil is located the inside of rubidium iron boron magnet. The utility model discloses a, the contact surface of T iron and china department and magnet is the metal molecule driving fit, does not have other materials, and is more efficient on magnetic force conduction, places the voice coil loudspeaker voice coil in the gap between rubidium iron boron magnet and T iron after that, will separate the sound piece after that and connect with the vibrating diaphragm connection, is connected between shell and the bottom at last, and the setting of sound piece can prevent that the sound amplitude from passing through the gap between T iron and the bottom and flowing, has improved the practicality of this device, has solved the not good problem of speaker conduction effect in the past.

Description

Effectual speaker of magnetic force transmission

Technical Field

The utility model relates to a speaker technical field, more specifically say, relate to an effectual speaker of magnetic force transmission.

Background

The main parts of the loudspeaker are a vibrating diaphragm, a voice coil and a magnet, the voice coil and the magnet are mutually acted by a magnetic field generated by the electric charge of the voice coil and the magnet to pull the vibrating diaphragm to vibrate to generate audio, and in order to generate stable magnetic force between the magnet and the voice coil, a magnetic conductive sheet is added to the two poles of the magnet to guide the magnetic force lines to be concentrated to act on the voice coil, so that the best effect is achieved.

In the conventional loudspeaker assembly, the magnetic conductive sheets at two poles of the magnet, namely washer and T-iron (or called U-iron), are bonded on the surface of the magnet by using glue, so that the magnetic force transmission effect is poor, and a plurality of steps are required in the loudspeaker assembly process, so that a loudspeaker with good magnetic force transmission effect is provided by professionals in the field, and the problems mentioned in the background art are solved.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide an effectual speaker of magnetic force transmission possesses the effectual advantage of magnetic force transmission, has solved the problem that above-mentioned background art mentioned.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides an effectual speaker of magnetic force transmission, includes the bottom, the right side of bottom is provided with T iron, the left side of T iron contacts with the right side of bottom, the right side fixedly connected with rubidium iron boron magnet of T iron, the right-hand member of T iron is located the inside of rubidium iron boron magnet, the cover is equipped with the voice coil loudspeaker voice coil on the right-hand member of T iron, the voice coil loudspeaker voice coil is located the inside of rubidium iron boron magnet, the right side fixedly connected with china department of rubidium iron boron magnet, the right side of china department is provided with the vibrating diaphragm, the left side of vibrating diaphragm contacts with the right side of china department, the right side of vibrating diaphragm is provided with the shell, bottom, T iron, rubidium iron boron magnet, voice coil loudspeaker voice coil, china department and vibrating diaphragm all are located the inside of shell, the outer wall of.

Preferably, the left side of the T iron is provided with a sound insulation sheet, the right side of the sound insulation sheet is in contact with the left side of the T iron, and the sound insulation sheet is located inside the bottom cover.

Preferably, the T iron is made of an iron-cobalt-vanadium alloy material, and the washer is made of an iron-cobalt-vanadium alloy material.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) when the device needs to be manufactured, firstly, rubidium-iron-boron magnet powder is guided into a mold for injection molding, then sintering and curing are carried out, the solidified rubidium-iron-boron magnet is placed into another mold, iron-cobalt-vanadium alloy powder is guided into the mold for injection molding at two poles of the rubidium-iron-boron magnet, then sintering and curing are carried out twice, the product at the moment is the rubidium-iron-boron magnet, both ends of the rubidium-iron-boron magnet are T iron and washer made of iron-cobalt-vanadium alloy, the contact surfaces of the T iron and the washer and the magnet are both metal molecule sealing, no other substances exist, the efficiency is higher in magnetic force conduction, then a voice coil is placed in a gap between the rubidium-iron-boron magnet and the T iron, then a sound insulation sheet is connected with a vibrating diaphragm, finally, the shell is connected with a bottom cover, the sound insulation sheet is arranged to prevent sound amplitude from flowing out through the gap between the T iron and the bottom cover, and the practicability of the device is, the problem of the speaker conduction effect not good in the past is solved.

(2) According to the scheme, the sound insulation sheet is arranged to prevent sound amplitude from flowing out through a gap between the T iron and the bottom cover, and the practicability of the device is improved.

(3) According to the scheme, the washer made of the T iron made of the iron-cobalt-vanadium alloy and the iron-cobalt-vanadium alloy is arranged at two ends of the T iron, the washer and the magnet are in metal molecule sealing contact, no other substance exists, and the T iron, the washer and the magnet are more efficient in magnetic force conduction.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the three-dimensional explosion structure of the present invention;

fig. 3 is a schematic diagram of the three-dimensional structure of the rubidium-iron-boron magnet of the present invention.

The reference numbers in the figures illustrate:

1. a bottom cover; 2. t iron; 3. a rubidium iron boron magnet; 4. a voice coil; 5. washer; 6. vibrating diaphragm; 7. a housing; 8. and a sound insulation sheet.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, a loudspeaker with good magnetic force transmission effect comprises a bottom cover 1, wherein a T-iron 2 is arranged on the right side of the bottom cover 1, the left side of the T-iron 2 is in contact with the right side of the bottom cover 1, a rubidium-iron-boron magnet 3 is fixedly connected to the right side of the T-iron 2, the right end of the T-iron 2 is positioned inside the rubidium-iron-boron magnet 3, a voice coil 4 is sleeved on the right end of the T-iron 2, the voice coil 4 is positioned inside the rubidium-iron-boron magnet 3, a washer 5 is fixedly connected to the right side of the rubidium-iron-boron magnet 3, a vibrating diaphragm 6 is arranged on the right side of the washer 5, the left side of the vibrating diaphragm 6 is in contact with the right side of the washer 5, a shell 7 is arranged on the right side of the vibrating diaphragm 6, the bottom cover 1, the T-iron 2, the rubidium-iron-boron magnet 3, the voice coil 4, the washer 5 and the vibrating diaphragm 6 are all, then sintering and solidifying, then placing the solidified and molded rubidium-iron-boron magnet 3 into another mold, using iron-cobalt-vanadium alloy powder to be introduced into the mold to perform injection molding on the two poles of the rubidium-iron-boron magnet 3, then sintering and solidifying twice, wherein the product is a rubidium-iron-boron magnet 3 in the middle, two ends are provided with a T iron 2 made of iron-cobalt-vanadium alloy and a washer 5 made of iron-cobalt-vanadium alloy material, the contact surfaces of the T iron 2 and the washer 5 and the magnet are both metal molecules which are tightly sealed, no other substances exist, more efficient in magnetic force conduction, and then the voice coil 4 is placed in the gap between the rubidium-iron-boron magnet 3 and the T-iron 2, then, the sound insulation sheet 8 is connected with the vibrating diaphragm 6, and finally, the shell 7 is connected with the bottom cover 1, the sound insulation sheet 8 can prevent sound amplitude from flowing out through a gap between the T iron 2 and the bottom cover 1, the practicability of the device is improved, and the problem that the traditional loudspeaker is poor in conduction effect is solved.

Further, the left side of T iron 2 is provided with sound insulating sheet 8, and the right side of sound insulating sheet 8 contacts with the left side of T iron 2, and sound insulating sheet 8 is located the inside of bottom 1, and sound insulating sheet 8's setting can prevent that the sound amplitude from flowing through the gap between T iron 2 and bottom 1, has improved the practicality of this device.

Furthermore, the T iron 2 is made of an iron-cobalt-vanadium alloy material, the washer 5 is made of an iron-cobalt-vanadium alloy material, the two ends of the washer 5 are made of the T iron 2 made of the iron-cobalt-vanadium alloy and the iron-cobalt-vanadium alloy material, and the contact surfaces of the T iron 2, the washer 5 and the rubidium-iron-boron magnet 3 are both metal molecules in a sealing manner, so that no other substances exist, and the magnetic force transmission is more efficient.

The working principle is as follows: when the device needs to be manufactured, the powder of the rubidium iron boron magnet 3 is firstly led into a mould for injection molding, then sintering and solidifying, then placing the solidified and molded rubidium-iron-boron magnet 3 into another mold, using iron-cobalt-vanadium alloy powder to be introduced into the mold to perform injection molding on the two poles of the rubidium-iron-boron magnet 3, then sintering and solidifying twice, wherein the product is a rubidium-iron-boron magnet 3 in the middle, the two ends are provided with a T iron 2 made of iron-cobalt-vanadium alloy and a washer 5 made of iron-cobalt-vanadium alloy material, the contact surfaces of the T iron 2 and the washer 5 and the rubidium-iron-boron magnet 3 are all metal molecules which are tightly sealed, and no other substances exist, more efficient in magnetic force conduction, and then the voice coil 4 is placed in the gap between the rubidium-iron-boron magnet 3 and the T-iron 2, then, the sound insulation sheet 8 is connected with the vibrating diaphragm 6, and finally the shell 7 is connected with the bottom cover 1, so that the problem of poor conduction effect of the conventional loudspeaker is solved.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides an effectual speaker of magnetic force transmission, includes bottom (1), its characterized in that: the right side of the bottom cover (1) is provided with T iron (2), the left side of the T iron (2) is in contact with the right side of the bottom cover (1), the right side of the T iron (2) is fixedly connected with a rubidium iron boron magnet (3), the right end of the T iron (2) is positioned in the rubidium iron boron magnet (3), the right end of the T iron (2) is sleeved with a voice coil (4), the voice coil (4) is positioned in the rubidium iron boron magnet (3), the right side of the rubidium iron boron magnet (3) is fixedly connected with a washer (5), the right side of the washer (5) is provided with a vibrating diaphragm (6), the left side of the vibrating diaphragm (6) is in contact with the right side of the washer (5), the right side of the vibrating diaphragm (6) is provided with a shell (7), and the bottom cover (1), the T iron (2), the rubidium iron boron magnet (3), the voice coil (4), the washer (5) and the vibrating diaphragm (6) are all positioned in the shell, the outer wall of the bottom cover (1) is in contact with the inner wall of the shell (7).

2. The loudspeaker of claim 1, wherein the magnetic force transfer effect is good: the left side of T iron (2) is provided with sound insulation sheet (8), the right side of sound insulation sheet (8) contacts with the left side of T iron (2), sound insulation sheet (8) are located the inside of bottom (1).

3. The loudspeaker of claim 1, wherein the magnetic force transfer effect is good: the T iron (2) is made of an iron-cobalt-vanadium alloy material, and the washer (5) is made of an iron-cobalt-vanadium alloy material.