CN220629534U

CN220629534U - Stable type connection vibration structure of elastic piece vibrator

Info

Publication number: CN220629534U
Application number: CN202322121802.5U
Authority: CN
Inventors: 肖顺; 曹其; 田小胜; 张中林
Original assignee: Dongguan Liesheng Electronic Co Ltd
Current assignee: Dongguan Liesheng Electronic Co Ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-03-19
Anticipated expiration: 2033-08-08

Abstract

The utility model relates to the technical field of headphones and discloses a stable connecting vibration structure of a spring vibrator, which comprises a vibration unit, wherein the vibration unit comprises at least one pin roll, a spring piece main body, a vibration plate, a magnetic conduction sheet, a magnet and a U-shaped cup, two ends of the pin roll are provided with blocking parts, the pin roll sequentially penetrates through the middle parts of the spring piece main body, the vibration plate, the magnetic conduction sheet, the magnet and the U-shaped cup, and the two blocking parts form a connecting structure for clamping and fixing the spring piece main body, the vibration plate, the magnetic conduction sheet, the magnet and the U-shaped cup. The utility model has simple assembly mode and smaller volume, ensures the accurate positioning connection among all the components, reduces the condition of influencing the internal structure of the bone conduction vibrator caused by the deflection of the spring piece, and improves the stability of the vibrator assembly.

Description

Stable type connection vibration structure of elastic piece vibrator

Technical Field

The utility model relates to the technical field of earphones, in particular to a stable connecting vibration structure of a spring vibrator.

Background

Headphones are a listening device often used in people's life, and include bone conduction headphones, which is a sound conduction mode, i.e. the sound is converted into mechanical vibrations of different frequencies, and sound waves are transmitted through the skull, bone labyrinth, inner ear lymph, augers, auditory centers of the person.

In the prior art, a vibrator unit and a magnetic conduction cover in the bone conduction earphone are connected with the periphery of the edge through a bracket, the arranged magnet is required to be fixedly arranged on the magnetic conduction cover, and a magnet-giving vibration space is reserved between the magnet and the vibrator unit, so that the volume of the earphone is not easy to be reduced; the vibrator unit is connected with the peripheral side of the edge of the magnetic conduction cover through the support, the force is conducted from the peripheral side of the spring piece to the inner end, if the earphone is impacted by external force or assembled with problems, the spring piece is deviated, namely the spring piece is unevenly stressed, and the vibration frequency and the sound source conduction are affected; and the assembly mode is responsible for increasing the manufacturing cost.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a stable connecting vibration structure of a spring vibrator, which overcomes the defects in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a vibrations structure is connected to shell fragment oscillator stabilization formula, includes vibrating unit, and vibrating unit includes at least one round pin axle and spring leaf main part, vibrating plate, magnetic conduction piece, magnet and U type cup, and the round pin axle both ends are provided with and hinder the portion, and the round pin axle runs through spring leaf main part, vibrating plate, magnetic conduction piece, magnet and U type cup middle part in proper order, and two hinder the portion and form the connection structure of the fixed spring leaf main part of centre gripping, vibrating plate, magnetic conduction piece, magnet and U type cup.

Preferably, the spring leaf main body is provided with a second hole site, the vibrating plate is provided with a third hole site, the magnetic conduction sheet is provided with a fourth hole site, the magnet is provided with a fifth hole site, the U-shaped cup is provided with a first hole site, the pin shaft sequentially penetrates through the second hole site, the third hole site, the fourth hole site, the fifth hole site and the first hole site, one of the blocking parts is abutted against the top surface of the spring leaf main body, and the other blocking part is abutted against the bottom of the U-shaped cup.

Preferably, the blocking portion is disc-shaped, and the area of the blocking portion is larger than the apertures of the second hole site and the first hole site.

Preferably, the pin shaft is provided with a through channel, and the through channel extends along the central axis direction of the pin shaft.

Preferably, the spring piece body comprises an annular outer ring, a plate member positioned in the annular outer ring, and an elastic arm connecting the annular outer ring and the plate member.

Preferably, the pin shaft is cylindrical, the second hole site, the third hole site, the fourth hole site, the fifth hole site and the first hole site are circular through holes matched with the pin shaft in shape, and the outer circumferential end surface of the pin shaft is respectively attached to the second hole site, the third hole site, the fourth hole site, the fifth hole site and the first hole site.

Preferably, the pin shafts are arranged in a plurality, and the pin shafts are arranged in parallel.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the pin shaft is arranged, and the two resisting parts form a connecting structure for clamping and fixing the spring piece main body, the vibrating plate, the magnetic conduction sheet, the magnet and the U-shaped cup, so that the assembly mode of the vibrating unit is simplified, the mounting is simpler, and the structural mode enables the volume design of the vibrating unit to be smaller; the pin shaft can apply force from the center part of the spring piece main body to swing, so that the design reduces the power consumption, improves the electroacoustic conversion efficiency and the vibration amplitude of the vibration unit, and enhances the low-frequency effect; meanwhile, through the riveting structure, accurate positioning connection among all parts can be guaranteed, the condition that the internal structure of the bone conduction vibrator is influenced due to the deviation of the spring piece body is reduced, and the stability of the vibrator assembly is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is an exploded view of the structure of the present utility model.

The reference designations in the drawings are as follows:

2. a U-shaped cup; 4. a pin shaft; 6. a blocking portion; 7. a spring piece body; 8. a vibration plate; 9. magnetic conductive sheets; 10. a magnet; 17. a through passage; 21. a first hole site; 22. a second hole site; 23. a third hole site; 24. a fourth hole site; 25. a fifth hole site; 71. an annular outer ring; 72. a plate member; 73. and an elastic arm.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 2, an embodiment of the present utility model provides: including vibrating element, vibrating element includes at least one round pin axle 4 and spring leaf main part 7, vibrating plate 8, magnetic conduction piece 9, magnet 10 and U type cup 2, and round pin axle 4 both ends are provided with and hinder the portion 6, and round pin axle 4 runs through spring leaf main part 7, vibrating plate 8, magnetic conduction piece 9, magnet 10 and U type cup 2 middle part in proper order, and two hinder the portion 6 and form the connection structure of centre gripping fixed spring leaf main part 7, vibrating plate 8, magnetic conduction piece 9, magnet 10 and U type cup 2, make its installation simpler, and this structural style makes vibrating element's volume design littleer.

The main body of the U-shaped cup 2 is cuboid, the U-shaped cup 2 is formed by injection molding of insulating plastic, and the U-shaped cup 2 is provided with a blind groove for accommodating the magnetic conductive sheet 9 and the magnet 10.

In this embodiment, the spring body 7 is provided with a second hole 22, the vibrating plate 8 is provided with a third hole 23, the magnetic conductive sheet 9 is provided with a fourth hole 24, and the positions and shapes of the second hole 22, the third hole 23, the fourth hole 24 and the fifth hole 25 are corresponding and aligned and fit.

The blocking portion 6 is disc-shaped, and the area of the blocking portion 6 is larger than the aperture of the first through channel 5 and the aperture of the first through hole 21, so that the blocking portion 6 can completely cover the first through channel 5 and the first through hole 21.

The number of the pin shafts 4 is two, the two pin shafts 4 are parallel to each other, the connection stability between the two pin shafts is improved, and the two pin shafts 4 which are arranged in parallel can enable the vibration unit to keep reciprocating vibration of the same horizontal line, so that the stability of the vibration frequency of the vibration unit is further improved.

The blocking parts 6 at two ends of the pin shaft 4 are arranged in parallel, one blocking part 6 is used for abutting against the bottom end of the U-shaped cup 2 through the top end of the spring piece main body 7 and the other blocking part 6, a riveting structure is formed, stable connection is formed, the vibration unit is prevented from loosening due to long-term vibration, and the service life of the vibration unit is prolonged. Meanwhile, the assembly mode of the vibrator assembly is simplified, the vibrator assembly is simpler to install, the magnet 10 is clamped between the magnetic conduction sheet 9 and the U-shaped cup 2, the magnet 10 is not required to be fixedly installed in the U-shaped cup 2, the assembly mode is simplified, the manufacturing cost is reduced, compared with the traditional technology, the magnet 10 is provided with the fifth hole site 25, the spring sheet main body 7, the vibration plate 8, the magnetic conduction sheet 9 and the magnet 10 are sequentially attached, the vibration space of the magnet and the vibration unit is not required to be reserved, the volume design of the vibration unit is smaller, and therefore the earphone is made smaller, exquisite and the product competitiveness is improved.

In this embodiment, the spring piece main body 7 includes an annular outer ring 71, a flat plate 72 located in the annular outer ring 71, and an elastic arm 73 connecting the annular outer ring 71 and the flat plate 72, where the second hole site 22 is located on the flat plate 72, and the flat plate 72 can be better attached to the vibration plate 8, the elastic arm 73 forms an elastic reset structure of the annular outer ring 71 and the flat plate 72, the annular outer ring 71 is used for a connection bracket, and the bracket is used for connecting an earphone shell, forming a vibration unit and being suspended on the earphone shell, reducing the connection component, preventing the excessive conduction force of the connection component from gradually decreasing, and applying force from the central part of the spring piece main body to swing through a pin shaft.

In this embodiment, be equipped with through channel 17 on the round pin axle 4, through channel 17 extends along the central axis direction of round pin axle 4 and sets up, in practical application, vibration unit installs in the earphone is originally internal, vibration unit divides into upper and lower cavity with this internal installation cavity of earphone, vibration unit produces the vibration and produces the atmospheric pressure, it is inequality to lead to upper and lower cavity internal pressure easily, make upper and lower cavity intercommunication through setting up the through channel 17, the air current of upper and lower cavity circulate each other, effectively prevent to influence the vibration amplitude of vibrator subassembly 1 because of the atmospheric pressure, promote the timeliness and the accuracy of vibration response of vibration unit, thereby improve bone conduction earphone's audio effect.

In this embodiment, the pin 4 is cylindrical, the first through channel 5 is a circular channel matching the shape of the pin 4, the first through hole 21 is a circular through hole matching the shape of the pin 4, the outer circumferential end surfaces of the pin 4 are respectively attached to the inner circumferential end surfaces of the first through channel 5 and the first through hole 21, the components in the vibrator assembly 1 can be mutually and compactly matched through the arrangement, the loosening of the components driven by gaps is prevented, other noise is generated during vibration, and the effect of sound source propagation is affected.

Preferably, the pin shaft 4 can be in a triangular column, a rectangular column or the like; the above is only an example of the shape of the pin 4, and the shape and structure of the pin 4 are not limited.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a vibrations structure is connected to shell fragment oscillator stabilization formula, includes vibrating element, its characterized in that: the vibration unit comprises at least one pin shaft, a spring piece main body, a vibration plate, magnetic conducting sheets, a magnet and a U-shaped cup, wherein the two ends of the pin shaft are provided with resisting parts, the pin shaft sequentially penetrates through the spring piece main body, the vibration plate, the magnetic conducting sheets, the magnet and the middle part of the U-shaped cup, and the two resisting parts form a connecting structure for clamping and fixing the spring piece main body, the vibration plate, the magnetic conducting sheets, the magnet and the U-shaped cup.

2. The vibrator-stabilized joint vibration structure according to claim 1, wherein: the spring piece main body is provided with a second hole site, the vibrating plate is provided with a third hole site, the magnetic conduction sheet is provided with a fourth hole site, the magnet is provided with a fifth hole site, the U-shaped cup is provided with a first hole site, the pin shaft sequentially penetrates through the second hole site, the third hole site, the fourth hole site, the fifth hole site and the first hole site, one of the blocking parts is abutted against the top surface of the spring piece main body, and the other blocking part is abutted against the bottom of the U-shaped cup.

3. The vibrator-stabilized joint vibration configuration according to claim 1 or 2, wherein: the blocking part is disc-shaped, and the area of the blocking part is larger than the apertures of the second hole site and the first hole site.

4. The vibrator-stabilized joint vibration structure according to claim 3, wherein: the pin shaft is provided with a through channel, and the through channel extends along the central axis direction of the pin shaft.

5. The vibrator-stabilized joint vibration structure according to claim 1, wherein: the spring piece main body comprises an annular outer ring, a plate piece positioned in the annular outer ring and an elastic arm connecting the annular outer ring and the plate piece.

6. The vibrator-stabilized joint vibration structure according to claim 1, wherein: the pin shaft is cylindrical, the second hole site, the third hole site, the fourth hole site, the fifth hole site and the first hole site are circular through holes matched with the pin shaft in shape, and the outer circumferential end surface of the pin shaft is respectively attached to the second hole site, the third hole site, the fourth hole site, the fifth hole site and the first hole site.

7. The vibrator-stabilized joint vibration structure according to claim 1, wherein: the round pin axle is equipped with a plurality of, and a plurality of round pins parallel arrangement.