CN216017149U

CN216017149U - Loudspeaker with dustproof structure

Info

Publication number: CN216017149U
Application number: CN202120599313.9U
Authority: CN
Inventors: 张志斌
Original assignee: Shenzhen Yongchang Electroacoustic Co ltd
Current assignee: Shenzhen Yongchang Electroacoustic Co ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2022-03-11
Anticipated expiration: 2031-03-24

Abstract

The utility model discloses a loudspeaker with a dustproof structure, which comprises a mounting seat; the top of the mounting seat is provided with a shock absorption protection mechanism, the top of the shock absorption protection mechanism is provided with a shell, the outer part of the shell is provided with a dustproof heat dissipation mechanism, the inner bottom of the shell is provided with a magnetic loop vibration mechanism, and the top of the magnetic loop vibration mechanism is provided with a support auxiliary mechanism; according to the utility model, the dustproof heat dissipation mechanism is arranged, the heat generated in the shell can be quickly absorbed by the heat conduction pad, then the heat is transferred to the heat dissipation ring, the heat is quickly dissipated to the outside by the heat dissipation ring, and effective dust prevention can be realized through the dustproof cover at the top, so that heat dissipation is realized without arranging the heat dissipation holes, and the problem that the service life of the loudspeaker is short due to more dust entering the interior of the loudspeaker through the heat dissipation holes is effectively solved.

Description

Loudspeaker with dustproof structure

Technical Field

The utility model relates to the technical field of speakers, in particular to a speaker with a dustproof structure.

Background

The loudspeaker is a transducer for converting electric signals into acoustic signals, the performance of the loudspeaker greatly affects the sound quality, the loudspeaker is the weakest device in the sound equipment, and is the most important component for the sound effect, the loudspeaker has various types and greatly varies the price, the audio electric energy enables the cone or the diaphragm to vibrate and generate resonance (resonance) with the surrounding air through the electromagnetic effect, the piezoelectric effect or the electrostatic effect to generate sound, the size of the loudspeaker is naturally the bigger, the large-caliber bass loudspeaker can have better performance in the low-frequency part, which can be selected in the selection, and the sound box manufactured by the high-performance loudspeaker has lower transient distortion and better sound quality, loudspeaker of ordinary multimedia sound box woofer are mostly between 3 ~ 5 inches, and the audio amplifier of making with high performance speaker also means that there is lower transient distortion and better tone quality, and under the promotion of national policy, the needs market will release in the china, and trades such as household electrical appliances, computer, cell-phone, car can use the speaker usually, and the speaker trade development prospect is good.

The existing loudspeaker has the following defects:

1. when the existing loudspeaker is used, passive heat dissipation is directly performed through the heat dissipation holes, dust enters the inside of the loudspeaker through the heat dissipation holes, and the service life of the loudspeaker is short due to the fact that more dust is generated.

2. When the existing loudspeaker is used, a damping protection mechanism is not arranged, external vibration easily influences the loudspeaker, the loudspeaker is damaged, and the loudspeaker cannot normally work, so that the loudspeaker with the dustproof structure is provided to solve the existing problem.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a speaker with a dustproof structure to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: a loudspeaker with a dustproof structure comprises a mounting seat; the shock attenuation protection machanism is installed at the top of mount pad, the top of shock attenuation protection machanism is equipped with the shell, the outside of shell is equipped with dustproof heat dissipation mechanism, the interior bottom of shell is equipped with magnetic circuit vibration mechanism, magnetic circuit vibration mechanism's top is equipped with supports complementary unit.

Preferably, the shock attenuation protection machanism includes stop gear and damping spring, and stop gear includes inserted bar and loop bar, and the inserted bar inserts the inside of loop bar, and stop gear's surface cover has damping spring, and damping spring's top and the top fixed connection of inserted bar, and damping spring's bottom and the bottom fixed connection of loop bar.

Preferably, the top end of the mounting seat is fixedly connected with the bottom end of the limiting mechanism, and the bottom end of the shell is fixedly connected with the top end of the limiting mechanism.

Preferably, dustproof heat dissipation mechanism includes heat conduction pad, heat dissipation circle, top mouth and shield, the inboard of dustproof heat dissipation mechanism is equipped with the heat conduction pad, and the surface of heat conduction pad is equipped with the equidistant heat dissipation circle, and the heat dissipation circle extends to the outside of dustproof heat dissipation mechanism, the top of dustproof heat dissipation mechanism is equipped with the top mouth, and the top of top mouth passes through the helicitic texture and installs the shield.

Preferably, the magnetic loop vibration mechanism comprises a magnet, a voice coil and a cone, the voice coil is arranged between the magnets, and the cone is arranged at the top of the voice coil.

Preferably, the supporting auxiliary mechanism comprises a centering support sheet, a dust cover and a basin frame, the centering support sheet is arranged at the inner bottom of the basin frame, and the dust cover is arranged at the top of the centering support sheet.

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

1. according to the utility model, the dustproof heat dissipation mechanism is arranged, the heat generated in the shell can be quickly absorbed by the heat conduction pad, then the heat is transferred to the heat dissipation ring, the heat is quickly dissipated to the outside by the heat dissipation ring, and effective dust prevention can be realized through the dustproof cover at the top, so that heat dissipation is realized without arranging the heat dissipation holes, and the problem that the service life of the loudspeaker is short due to more dust entering the interior of the loudspeaker through the heat dissipation holes is effectively solved.

2. The utility model is provided with the shock absorption protection mechanism, when the loudspeaker is vibrated, the shock absorption spring can effectively buffer the vibration, and the limiting mechanism limits the shock absorption spring, so that the influence of the too violent vibration transmitted to the loudspeaker is avoided, and the loudspeaker can be effectively protected.

Drawings

FIG. 1 is a partial three-dimensional schematic view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a front view of the present invention;

fig. 4 is an enlarged schematic view of the shock absorbing protection mechanism of the present invention.

In the figure: 1. a mounting seat; 2. a shock absorbing protection mechanism; 201. a limiting mechanism; 202. inserting a rod; 203. a loop bar; 204. a damping spring; 3. a housing; 4. a dustproof heat dissipation mechanism; 401. a thermally conductive pad; 402. a heat dissipation ring; 403. a top opening; 404. a dust cover; 5. a magnetic circuit vibration mechanism; 501. a magnet; 502. a voice coil; 503. a paper basin; 6. a support assist mechanism; 601. a centering support; 602. a dust cover; 603. a basin stand.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element 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," "disposed," "connected," and the like are to be construed broadly, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, an embodiment of the present invention is shown: a loudspeaker with a dustproof structure comprises a mounting seat 1; shock attenuation protection machanism 2 is installed at the top of mount pad 1, and the top of shock attenuation protection machanism 2 is equipped with shell 3, and the outside of shell 3 is equipped with dustproof heat dissipation mechanism 4, and the interior bottom of shell 3 is equipped with magnetic circuit vibration mechanism 5, and the top of magnetic circuit vibration mechanism 5 is equipped with supports complementary unit 6.

It is specific, install through mount pad 1, carry out the aggregate erection support to each part of speaker through supporting complementary unit 6, when magnetic circuit vibration mechanism 5 receives an alternating driving force and produces alternating motion, magnetic circuit vibration mechanism 5 promotes the air repeatedly and the sound production, give off the external world with the heat through dustproof heat dissipation mechanism 4, thereby need not to set up the louvre and dispel the heat, thereby effectively solved the inside that the dust passes through the louvre and gets into the speaker, the more shorter problem of life that leads to the speaker of dust, when receiving vibrations, shock attenuation protection mechanism 2 can carry out effectual buffering to vibrations, thereby avoid vibrations too acutely to transmit the speaker and produce the influence to it, thereby can carry out effectual protection to the speaker.

Further, the shock absorption protection mechanism 2 comprises a limiting mechanism 201 and a shock absorption spring 204, the limiting mechanism 201 comprises an inserted bar 202 and a loop bar 203, the inserted bar 202 is inserted into the loop bar 203, the shock absorption spring 204 is sleeved on the surface of the limiting mechanism 201, the top end of the shock absorption spring 204 is fixedly connected with the top end of the inserted bar 202, and the bottom end of the shock absorption spring 204 is fixedly connected with the bottom end of the loop bar 203.

Specifically, when receiving vibrations, damping spring 204 can carry out effectual buffering to vibrations, and inserted bar 202 slides in loop bar 203 along with damping spring 204's flexible to can avoid damping spring 204 to appear the skew at flexible in-process, thereby stop gear 201 is spacing to damping spring 204.

Further, the top of mount pad 1 and the bottom fixed connection of stop gear 201, the bottom of shell 3 and the top fixed connection of stop gear 201.

Specifically, the top end of the mounting seat 1 is welded with a limiting mechanism 201, and the top end of the limiting mechanism 201 is welded with a shell 3.

Further, dustproof heat dissipation mechanism 4 includes heat conduction pad 401, heat dissipation circle 402, top mouth 403 and shield 404, and the inboard of dustproof heat dissipation mechanism 4 is equipped with heat conduction pad 401, and the surface of heat conduction pad 401 is equipped with equidistant heat dissipation circle 402, and heat dissipation circle 402 extends to the outside of dustproof heat dissipation mechanism 4, and the top of dustproof heat dissipation mechanism 4 is equipped with top mouth 403, and the top of top mouth 403 passes through the helicitic texture and installs shield 404.

Specifically, the heat conducting pad 401 can rapidly absorb heat generated inside the housing 3, and then transfer the heat to the heat dissipation ring 402, the heat dissipation ring 402 rapidly dissipates the heat to the outside, and the dust cover 404 at the top is used for sealing the top opening 403, so that effective dust prevention can be achieved.

Further, the magnetic circuit vibration mechanism 5 comprises a magnet 501, a voice coil 502 and a cone 503, wherein the voice coil 502 is arranged between the magnets 501, and the cone 503 is arranged on the top of the voice coil 502.

Further, the support assisting mechanism 6 includes a centering support 601, a dust cover 602, and a basin stand 603, and the inner bottom of the basin stand 603 is provided with the centering support 601, and the top of the centering support 601 is provided with the dust cover 602.

Specifically, a fixed magnetic field with balanced magnetism is established by the magnet 501, the voice coil 502 is the driving unit of the speaker, the cone 503 is the sound radiating device of the speaker, the sound-emitting performance of the speaker is determined to a great extent, the speaker has light weight and good rigidity, the centering support 601 is used for supporting the joint of the voice coil 502 and the cone 503 to ensure that the joint is vertical and not inclined, the dust cover 602 on the centering support 601 is used for preventing external dust and the like from falling into a magnetic gap, avoiding the dust from rubbing with the voice coil 502, the speaker generates abnormal sound, the frame 603 is made by iron sheet stamping technology, the processing is simple, the consistency is good, the frame 603 is the framework of the speaker, the voice coil 502 and the cone 503 are fixed together for combination and support, when the voice current signal is fed to the voice coil 502, the voice coil 502 vibrates to drive the cone 503 to vibrate, and repeatedly pushes air to generate sound.

The working principle is as follows: when the loudspeaker is used, the loudspeaker is installed through the installation seat 1, a fixed magnetic field with balanced magnetism is established through the magnet 501, the voice coil 502 is a driving unit of the loudspeaker, the cone 503 is a sound radiation device of the loudspeaker, the sound reproduction performance of the loudspeaker is determined to a great extent, the loudspeaker has light weight and good rigidity, the centering support plate 601 is used for supporting the combination part of the voice coil 502 and the cone 503 to ensure that the combination part is vertical and not inclined, the dustproof cover 602 on the centering support plate 601 is used for preventing external dust and the like from falling into a magnetic gap and avoiding the dust from rubbing with the voice coil 502 to cause abnormal sound of the loudspeaker, the basin frame 603 is manufactured by adopting an iron sheet stamping process, the processing is simple, the consistency is good, the basin frame 603 is a framework of the loudspeaker and is combined and supported, the voice coil 502 and the cone 503 are fixed together, and when a sound current signal is introduced into the voice coil 502, the voice coil 502 vibrates to drive the cone 503 to vibrate, repeatedly pushing air to generate sound, the heat conducting pad 401 can quickly absorb heat generated in the shell 3 and then transmit the heat to the heat radiating ring 402, the heat radiating ring 402 quickly radiates the heat to the outside, and the top opening 403 is sealed through the dust cover 404 at the top to effectively prevent dust, so that heat radiation is performed without arranging heat radiating holes, the problem that dust enters the inside of the loudspeaker through the heat radiating holes and the service life of the loudspeaker is short due to more dust is effectively solved, when the loudspeaker is vibrated, the shock absorbing spring 204 can effectively buffer the vibration, the inserted rod 202 slides in the sleeve rod 203 along with the expansion of the shock absorbing spring 204, so that the shock absorbing spring 204 can be prevented from deviating in the expansion process, the limit mechanism 201 limits the shock absorbing spring 204, and the vibration is prevented from being excessively transmitted to the loudspeaker to affect the loudspeaker, thereby effectively protecting the speaker.

The utility model is not described in detail, but is well known to those skilled in the art.

Finally, it is to be noted that: although the present invention has been described in detail with reference to examples, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. A loudspeaker with a dustproof structure comprises a mounting seat (1); the method is characterized in that: shock attenuation protection mechanism (2) are installed at the top of mount pad (1), the top of shock attenuation protection mechanism (2) is equipped with shell (3), the outside of shell (3) is equipped with dustproof heat dissipation mechanism (4), the interior bottom of shell (3) is equipped with magnetic circuit vibration mechanism (5), the top of magnetic circuit vibration mechanism (5) is equipped with supports complementary unit (6).

2. The speaker with the dustproof structure according to claim 1, wherein: shock attenuation protection machanism (2) include stop gear (201) and damping spring (204), and stop gear (201) are including inserted bar (202) and loop bar (203), and inserted bar (202) insert the inside of loop bar (203), and the surface cover of stop gear (201) has damping spring (204), and the top of damping spring (204) and the top fixed connection of inserted bar (202), and the bottom of damping spring (204) and the bottom fixed connection of loop bar (203).

3. The speaker with the dustproof structure according to claim 1, wherein: the top end of the mounting seat (1) is fixedly connected with the bottom end of the limiting mechanism (201), and the bottom end of the shell (3) is fixedly connected with the top end of the limiting mechanism (201).

4. The speaker with the dustproof structure according to claim 1, wherein: dustproof heat dissipation mechanism (4) are including heat conduction pad (401), heat dissipation circle (402), top mouth (403) and shield (404), the inboard of dustproof heat dissipation mechanism (4) is equipped with heat conduction pad (401), and the surface of heat conduction pad (401) is equipped with equidistant heat dissipation circle (402), and heat dissipation circle (402) extends to the outside of dustproof heat dissipation mechanism (4), the top of dustproof heat dissipation mechanism (4) is equipped with top mouth (403), and the top of top mouth (403) is passed through the helicitic texture and is installed shield (404).

5. The speaker with the dustproof structure according to claim 1, wherein: the magnetic loop vibration mechanism (5) comprises a magnet (501), a voice coil (502) and a cone (503), wherein the voice coil (502) is arranged between the magnet (501), and the cone (503) is arranged at the top of the voice coil (502).

6. The speaker with the dustproof structure according to claim 1, wherein: the supporting auxiliary mechanism (6) comprises a centering branch piece (601), a dust cover (602) and a basin frame (603), the centering branch piece (601) is arranged at the inner bottom of the basin frame (603), and the dust cover (602) is arranged at the top of the centering branch piece (601).