CN217116383U

CN217116383U - Miniature vibrator loudspeaker

Info

Publication number: CN217116383U
Application number: CN202220869973.9U
Authority: CN
Inventors: 白伟民; 钟火根
Original assignee: Dongguan Weisheng Industrial Co ltd
Current assignee: Dongguan Weisheng Industrial Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-08-02
Anticipated expiration: 2032-04-14

Abstract

The utility model provides a miniature oscillator loudspeaker, include: cylinder, metal casing, toroidal coil, loudspeaker form magnet, trembler and contact plate. The utility model provides a micro-oscillator loudspeaker, the trembler that sets up is covered with loudspeaker form magnet and is kept away from the one end of toroidal coil, and the area of trembler increases, and the vibration frequency response of this micro-oscillator loudspeaker is wider under the circumstances of equal power, can effectively reduce the energy consumption simultaneously, and bluetooth headset live time is more for a long time under the circumstances that battery capacity is unchangeable; the edge of the metal casing that sets up is formed with the annular turn-ups, and integrated into one piece has cylindrical boss on metal casing's the interior diapire, and the annular turn-ups is installed in the inside of annular mounting groove, is formed with the cylinder dead slot between cylindrical boss and metal casing's the inside wall for metal casing overall structure's profile map is the U-shaped, can reduce the magnetism and run off, makes product life more of a specified duration, and the inside permanent magnet of earphone receives external magnetic field to disturb and is lower.

Description

Miniature vibrator loudspeaker

Technical Field

The utility model relates to an earphone technical field specifically relates to a miniature oscillator loudspeaker.

Background

The earphone is a pair of conversion units which receive electrical signals from a media player or receiver and convert them into audible sound waves using a speaker proximate to the ear. The earphone is originally used for telephone and radio, but with the prevalence of portable electronic devices, the earphone is often used for mobile phones, walkmans, radios, portable electronic games, digital audio players, and the like.

The Bluetooth earphone applies the Bluetooth technology to the hands-free earphone, so that a user can avoid annoying wiring stumbling and can easily talk in various modes. Since the advent of bluetooth headsets, it has been a good tool for the mobile commerce industry to increase efficiency. The present bluetooth headset, its inside oscillator loudspeaker still have following defect:

1. the area of the vibrating reed is smaller, the vibration frequency is lower under the condition of the same power, the energy consumption is relatively higher, and the service time of the Bluetooth headset is shorter under the condition that the battery capacity is not changed;

2. the sectional view of the metal shell is cylindrical, so that the loss of the magnet is increased, the service life of the product is short, and the permanent magnet in the earphone is greatly interfered by an external magnetic field.

Therefore, a micro-vibrator horn is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses use the problem that proposes in solving the background art as the purpose, provide a miniature oscillator loudspeaker.

The specific technical scheme is as follows:

a micro-vibrator horn, comprising:

the inner wall of the cylinder body is provided with an annular mounting groove close to one end of the cylinder body;

the edge of the metal shell is provided with an annular flange, a cylindrical boss is integrally formed on the inner bottom wall of the metal shell, the annular flange is mounted inside the annular mounting groove, and a cylindrical empty groove is formed between the cylindrical boss and the inner side wall of the metal shell;

the annular coil is sleeved on the cylindrical boss;

the horn-shaped magnet is arranged at one end part of the annular coil, which is back to the inner bottom wall of the metal shell;

the vibrating reed is arranged at one end, far away from the annular coil, of the horn-shaped magnet, and the vibrating reed is full of one end face, far away from the annular coil, of the horn-shaped magnet.

The micro-vibrator horn further comprises a contact plate, and a transfer sheet is arranged in the middle of the contact plate.

The miniature vibrator horn is characterized in that an annular pressing seat is integrally arranged on one side face of the contact plate, the annular pressing seat is arranged at one end part of the horn-shaped magnet, which is far away from the annular coil, and the annular pressing seat is used for pressing the vibration plate on the horn-shaped magnet.

In the micro-oscillator horn, a wiring groove is formed in one side surface, away from the annular pressing seat, of the contact plate.

In the micro-vibrator horn, the horn-shaped magnet is a horn-shaped permanent magnet.

The utility model discloses following beneficial effect has:

1. the vibrating reed is fully distributed at one end of the horn-shaped magnet far away from the annular coil, the area of the vibrating reed is increased, the vibration frequency response of the micro vibrator horn is wider under the condition of the same power, the energy consumption can be effectively reduced, and the service life of the Bluetooth headset is longer under the condition of unchanged battery capacity;

2. the edge of the metal casing that sets up is formed with the annular turn-ups, and integrated into one piece has cylindrical boss on metal casing's the interior diapire, and the annular turn-ups is installed in the inside of annular mounting groove, is formed with the cylinder dead slot between cylindrical boss and metal casing's the inside wall for metal casing overall structure's profile map is the U-shaped, can reduce the magnet and run off, makes product life more of a specified duration, and the inside permanent magnet of earphone receives external magnetic field to disturb and is lower.

Drawings

Fig. 1 is a schematic structural diagram of a micro-vibrator horn according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structural view of a micro-oscillator horn according to an embodiment of the present invention;

fig. 3 is a schematic view of a partial structure of a micro-vibrator horn according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a metal shell in a micro-oscillator horn according to an embodiment of the present invention.

In the drawings:

1. a cylinder; 2. a metal housing; 3. a cylindrical boss; 4. annular flanging; 5. an annular compression seat; 6. a contact plate; 7. a transfer sheet; 8. a vibrating piece; 9. a horn-shaped magnet; 10. a loop coil; 11. a wiring groove; 12. a cylindrical empty groove.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between components, is to be understood broadly, for example, as being a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment of the utility model provides a miniature oscillator loudspeaker, as shown in fig. 1-4, include: cylinder 1, metal shell 2, toroidal coil 10, horn magnet 9, vibrating reed 8 and contact plate 6.

Wherein, an annular mounting groove is arranged on the inner wall of the cylinder body 1 near one end thereof;

wherein, the edge of the metal shell 2 is formed with an annular flange 4, and the inner bottom wall of the metal shell 2 is integrally formed with a cylindrical boss 3, the annular flange 4 is installed inside the annular installation groove, and a cylindrical empty groove 12 is formed between the cylindrical boss 3 and the inner side wall of the metal shell 2;

wherein, the annular coil 10 is sleeved on the cylindrical boss 3;

wherein, the horn-shaped magnet 9 is arranged at one end part of the annular coil 10 back to the inner bottom wall of the metal shell 2;

the vibrating reed 8 is arranged at one end, far away from the annular coil 10, of the horn-shaped magnet 9, and the end face, far away from the annular coil 10, of the horn-shaped magnet 9 is fully distributed on the vibrating reed 8;

wherein, the middle part of the contact plate 6 is provided with a transfer sheet 7.

The micro-vibrator horn adopting the technical scheme mainly comprises a cylinder body 1, a metal shell 2, an annular coil 10, a horn-shaped magnet 9, a vibrating reed 8 and a contact plate 6, wherein the vibrating reed 8 is fully distributed on the end face of one end, far away from the annular coil 10, of the horn-shaped magnet 9, the area of the vibrating reed 8 is increased, the decibel of the micro-vibrator horn is wider under the condition of the same power, meanwhile, the energy consumption can be effectively reduced, and the service time of a Bluetooth headset is longer under the condition that the battery capacity is not changed;

simultaneously, metal casing 2's edge is formed with annular turn-ups 4, and integrated into one piece has cylindrical boss 3 on metal casing 2's the interior diapire, annular turn-ups 4 is installed in the inside of annular mounting groove, is formed with cylindrical dead slot 12 between cylindrical boss 3 and metal casing 2's the inside wall for metal casing 2 overall structure's profile view is the U-shaped, can reduce the magnet and run off, makes product life more of a specified duration, and the inside permanent magnet of earphone receives external magnetic field to disturb and is lower.

Specifically, in order to stably mount the vibrating piece 8 on the horn-shaped magnet 9, in the present embodiment: an annular pressing seat 5 is integrally arranged on one side face of the contact plate 6, the annular pressing seat 5 is installed at one end part, away from the annular coil 10, of the horn-shaped magnet 9, and the annular pressing seat 5 is used for pressing the vibrating piece 8 on the horn-shaped magnet 9.

Specifically, in order to facilitate wiring during wiring of the micro-oscillator horn, in this embodiment, a wiring groove 11 is disposed on a side surface of the contact plate 6 away from the annular pressing seat 5.

Specifically, in order to guarantee the service life and the tone quality of this micro-oscillator loudspeaker, in this embodiment: the horn magnet 9 is a horn permanent magnet.

In summary, the micro-vibrator horn provided by the embodiment has the following advantages:

1. the arranged vibration piece 8 is fully distributed at one end, far away from the annular coil 10, of the horn-shaped magnet 9, the area of the vibration piece 8 is increased, the vibration frequency response of the micro-vibrator horn is wider under the condition of the same power, meanwhile, the energy consumption can be effectively reduced, and the service time of the Bluetooth headset is longer under the condition that the battery capacity is not changed;

2. the edge of the metal casing 2 that sets up is formed with annular turn-ups 4, and integrated into one piece has cylindrical boss 3 on the interior diapire of metal casing 2, annular turn-ups 4 is installed in the inside of annular mounting groove, be formed with cylinder dead slot 12 between the inside wall of cylindrical boss 3 and metal casing 2, make 2 overall structure's of metal casing section diagram be the U-shaped, can reduce the magnet and run off, make product life be of a specified duration more, the inside permanent magnet of earphone receives external magnetic field to disturb and is lower.

The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.

Claims

1. A micro-vibrator horn, comprising:

the device comprises a cylinder body (1), wherein an annular mounting groove is formed in the inner wall of the cylinder body (1) close to one end of the cylinder body;

the metal shell (2), the edge of the metal shell (2) is formed with an annular flange (4), a cylindrical boss (3) is integrally formed on the inner bottom wall of the metal shell (2), the annular flange (4) is installed inside the annular installation groove, and a cylindrical empty groove (12) is formed between the cylindrical boss (3) and the inner side wall of the metal shell (2);

the annular coil (10), the said annular coil (10) is set up on the said cylindrical boss (3);

the horn-shaped magnet (9), the horn-shaped magnet (9) is arranged at one end part of the annular coil (10) back to the inner bottom wall of the metal shell (2);

the vibrating reed (8) is installed at one end, away from the annular coil (10), of the horn-shaped magnet (9), and the vibrating reed (8) is full of one end face, away from the annular coil (10), of the horn-shaped magnet (9).

2. The miniature transducer horn of claim 1, further comprising a contact plate (6), wherein a transfer sheet (7) is disposed in the middle of the contact plate (6).

3. The micro-vibrator horn according to claim 2, wherein an annular pressing seat (5) is integrally provided on a side surface of the contact plate (6), the annular pressing seat (5) is mounted on an end portion of the horn-shaped magnet (9) remote from the annular coil (10), and the annular pressing seat (5) is adapted to press the vibration plate (8) against the horn-shaped magnet (9).

4. The miniature transducer horn as claimed in claim 3, wherein a wiring groove (11) is provided on a side of said contact plate (6) remote from said annular pressing seat (5).

5. The micro-vibrator horn of claim 1, wherein the horn magnet (9) is a horn permanent magnet.