CN215991120U

CN215991120U - Sound box with dustproof function

Info

Publication number: CN215991120U
Application number: CN202121995400.2U
Authority: CN
Inventors: 霍雲; 张如雪; 王彩霞
Original assignee: Lianshui Weiyu Electronics Co ltd
Current assignee: Lianshui Weiyu Electronics Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-03-08
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a sound box with a dustproof function, which comprises a shell, cone-shaped speakers and a frequency divider, wherein protective structures are arranged on one sides of the shell, a dismounting structure is arranged at the top ends of the cone-shaped speakers, a cooling mechanism is arranged at the bottom end of a single chip microcomputer, the cooling mechanism comprises a filter screen, a negative pressure fan, a ventilation pipe and a dust cover, the ventilation pipe is fixed on one side inside the shell, and the negative pressure fan is arranged inside the ventilation pipe. According to the utility model, the negative pressure fan is started by the singlechip to exchange cold air and hot air through the vent pipe, so that the heat dissipation speed in the shell is accelerated, meanwhile, the negative pressure fan can carry certain dust when sending cold air, the dust is filtered through the filter screen, meanwhile, the dust cover prevents hands from mistakenly touching the negative pressure fan in operation, and the negative pressure fan is supported through the vent pipe, so that the quick cooling function of the device is realized, the temperature of the device is quickly reduced, and the over-high temperature short circuit of the device is prevented.

Description

Sound box with dustproof function

Technical Field

The utility model relates to the technical field of electric appliance parts, in particular to a sound box with a dustproof function.

Background

Along with the progress of society, the life of people is more colorful, electrical parts are gradually appeared in the daily life of people in the social development process, and a set of audio system for making sound by combining sound fingering equipment is continuously improved and perfected due to the increase of the demand of people, so that the sound is gradually an important component of daily entertainment of people;

chinese patent grant publication No. CN208836353U, publication day 2019, 5.7.2019, discloses a sound box, including sound box and establishing solar power generation equipment on the sound box, sound box includes sound box shell and speaker, the speaker mounting hole has been seted up to sound box shell front end face, the speaker is installed in the speaker mounting hole, the speaker with solar power generation equipment electricity is connected. The solar energy power generation system is not limited by a use place, and can continuously provide power for the sound box through the solar energy power generation equipment, so that the use time of the sound box is prolonged, and the long-time use requirement of a user on the sound box in outdoor activities is met;

the above prior art solutions have the following drawbacks; among the above-mentioned technical scheme, the device has the defect of unable rapid cooling, because the device live time process leads to device main part temperature rising, can make the device short circuit, influences the practicality of device, consequently should accelerate the speed of device cooling.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide a sound box with a dustproof function, which is used for solving the defect that the existing sound box with the dustproof function is poor in cooling effect.

(II) contents of utility model

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a stereo set with dustproof function, includes shell, awl basin formula speaker and frequency divider, one side of shell all is provided with protective structure, the internally mounted of shell one side has awl basin formula speaker, the top of awl basin formula speaker is provided with dismantlement structure, the inside of awl basin formula speaker is provided with the frequency divider, one side of frequency divider is provided with the singlechip, and the bottom of singlechip is provided with cooling mechanism, cooling mechanism includes filter screen, negative-pressure air fan, ventilation pipe and dust cover, the ventilation pipe is fixed in the inside one side of shell, the internally mounted of ventilation pipe has negative-pressure air fan.

Preferably, the protective structure comprises a rubber sleeve, foam and a polyformaldehyde plastic plate, the rubber sleeve is fixed on one side of the shell, the foam is fixed on the outer side of the rubber sleeve, and the polyformaldehyde plastic plate is arranged on the outer side of the foam.

Preferably, the rubber sleeves are symmetrically distributed on two sides of the shell relative to a vertical center line of the shell, and the thickness of the polyformaldehyde plastic plate is larger than that of the foam.

Preferably, the dismounting structure comprises a handle, a telescopic spring and a bayonet lock, the bayonet lock is inserted into the top end of the cone-shaped loudspeaker, the telescopic spring is fixed at the top end of the bayonet lock, and the handle is installed on one side of the bayonet lock.

Preferably, a clamping structure is formed between the clamping pin and the cone-shaped loudspeaker, and the handle extends into the outer shell and is connected with the clamping pin.

Preferably, one side of the negative pressure fan is provided with a filter screen, and one side of the negative pressure fan is provided with a dust cover.

Preferably, the width of the filter screen is smaller than the thickness of the ventilation pipe, and the ventilation pipe is connected with the dust cover through the shell.

(III) advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: this stereo set with dustproof function has not only realized rapid cooling, has realized convenient dismantlement, has realized strengthening the protection moreover:

(1) the negative pressure fan is started by the single chip microcomputer to exchange cold air and hot air through the ventilation pipe, so that the heat dissipation speed in the shell is accelerated, meanwhile, the negative pressure fan can carry certain dust when sending cold air, the dust is filtered through the filter screen, meanwhile, the dust cover prevents hands from touching the negative pressure fan in operation mistakenly, and the negative pressure fan is supported through the ventilation pipe, so that the quick cooling function of the device is realized, the temperature of the device is quickly reduced, and the over-high and short-circuit of the temperature of the device is prevented;

(2) the handle is pulled upwards to drive the bayonet lock to move upwards to apply a force to the telescopic spring, so that the telescopic spring is stressed and compressed, the cone-shaped loudspeaker is taken down for maintenance, after the maintenance is finished, the bayonet lock is aligned to a hole inserted into the cone-shaped loudspeaker to be clamped, and meanwhile, the telescopic spring performs reset motion to fix the bayonet lock, so that the convenient disassembly function of the device is realized, the regular maintenance of the device is facilitated, and the service life of the device is prolonged;

(3) have the shape of the laminating shell that the characteristic that the crookedness is stronger can be better through the polyformaldehyde plastic slab to reach the effect of strengthening protective structure outside intensity, cushion through the foam, reduce the dynamics of striking, the rubber sleeve increases the elasticity of shell immediately, reaches the effect of secondary buffering, has realized the enhancement safeguard function of this device from this, improves the intensity of device, prevents that the device atress from being out of shape.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic front view of the present invention;

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

FIG. 3 is a schematic three-dimensional structure of the protective structure of the present invention;

FIG. 4 is an enlarged partial cross-sectional view taken at A in FIG. 2 according to the present invention;

FIG. 5 is a schematic side view of the dust removing structure of the present invention.

The reference numerals in the figures illustrate: 1. a housing; 2. a protective structure; 201. a rubber sleeve; 202. foaming; 203. a polyoxymethylene plastic plate; 3. a cone-shaped speaker; 4. a frequency divider; 5. disassembling the structure; 501. a handle; 502. a tension spring; 503. a bayonet lock; 6. a single chip microcomputer; 7. a cooling mechanism; 701. a filter screen; 702. a negative pressure fan; 703. a vent pipe; 704. a dust cover.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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. 1-5, an embodiment of the present invention is shown: a sound box with a dustproof function comprises a shell 1, cone-basin type speakers 3 and a frequency divider 4, wherein one side of the shell 1 is provided with a protective structure 2, the cone-basin type speakers 3 are installed inside one side of the shell 1, the top ends of the cone-basin type speakers 3 are provided with a dismounting structure 5, the frequency divider 4 is arranged inside the cone-basin type speakers 3, one side of the frequency divider 4 is provided with a singlechip 6, the type of the singlechip 6 can be HT66F017, the input ends of the singlechip 6 are electrically connected with the output ends of an external power supply through leads, the bottom ends of the singlechip 6 are provided with a cooling mechanism 7, the cooling mechanism 7 comprises a filter screen 701, a negative pressure fan 702, a vent pipe 703 and a

dust cover

704, 703 is fixed on one side inside the shell 1, the negative pressure fan 702 is installed inside the vent pipe 703, the type of the negative pressure fan 702 can be CF28080, the input ends of the negative pressure fan 702 are electrically connected with the output ends of the vent pipe 6 through leads, a filter screen 701 is arranged on one side of the negative pressure fan 702, a dust cover 704 is arranged on one side of the negative pressure fan 702, the width of the filter screen 701 is smaller than the thickness of the ventilation pipe 703, the filter screen 701 is conveniently placed inside the ventilation pipe 703, and the ventilation pipe 703 is connected with the dust cover 704 through the shell 1, so that the circulation of cold and hot air is facilitated;

specifically, as shown in fig. 2 and 5, when in use, the negative pressure fan 702 is started to rotate by the single chip microcomputer 6, so that the negative pressure fan 702 performs cold and hot air exchange through the ventilation pipe 703, thereby increasing the speed of heat dissipation inside the housing 1, meanwhile, the negative pressure fan 702 carries certain dust when sending cold air, the dust is filtered through the filter screen 701, the inside of the housing 1 is kept clean, meanwhile, the dust cover 704 covers the negative pressure fan 702, thereby preventing a human hand from touching the negative pressure fan 702 in operation by mistake, and the negative pressure fan 702 is supported through the ventilation pipe 703 to prevent falling off;

the protective structure 2 comprises a rubber sleeve 201, foam 202 and a polyformaldehyde plastic plate 203, wherein the rubber sleeve 201 is fixed on one side of the shell 1, the foam 202 is fixed on the outer side of the rubber sleeve 201, the polyformaldehyde plastic plate 203 is arranged on the outer side of the foam 202, the rubber sleeve 201 is symmetrically distributed on two sides of the shell 1 relative to the vertical center line of the shell 1, the device is kept balanced and stable while being protected, and the thickness of the polyformaldehyde plastic plate 203 is larger than that of the foam 202, so that the polyformaldehyde plastic plate 203 can cover the foam 202;

specifically, as shown in fig. 1, 2 and 3, when in use, the shape of the shell 1 is strongly attached to the polyformaldehyde plastic plate 203 through the curvature, so that the effect of enhancing the strength of the outer side of the protective structure 2 is achieved, the impact force is reduced through the buffering of the foam 202, the elasticity of the shell 1 is increased through the rubber sleeve 201, the secondary buffering effect is achieved, and the shell 1 is prevented from deforming under stress;

the disassembling structure 5 comprises a handle 501, a telescopic spring 502 and a bayonet 503, the bayonet 503 is inserted at the top end of the cone-shaped loudspeaker 3, the telescopic spring 502 is fixed at the top end of the bayonet 503, the handle 501 is installed at one side of the bayonet 503, a clamping structure is formed between the bayonet 503 and the cone-shaped loudspeaker 3, the disassembling and the assembling are convenient, the handle 501 extends into the shell 1 and is connected with the bayonet 503, and the bayonet 503 moves along with the movement of the handle 501;

specifically, as shown in fig. 2 and 4, in use, the handle 501 is pulled upwards to drive the bayonet 503 to move upwards to apply a force to the extension spring 502 by the handle 501, so that the extension spring 502 is compressed by the force, the cone-shaped speaker 3 is taken down for maintenance, and after the maintenance is completed, the bayonet 503 is aligned to a hole inserted into the cone-shaped speaker 3 to be clamped, and meanwhile, the extension spring 502 performs a reset motion to fix the bayonet 503.

The working principle is as follows: when the device is used, the device is externally connected with a power supply, firstly, the device is placed at a designated position, the frequency divider 4 is started through the singlechip 6, the frequency divider 4 starts playing through the cone-basin type loudspeaker 3, when the device is used, the negative pressure fan 702 is started to rotate through the singlechip 6, and the negative pressure fan 702 performs cold and hot air exchange through the vent pipe 703, so that the heat dissipation speed in the shell 1 is accelerated, meanwhile, the negative pressure fan 702 carries certain dust when sending cold air in, the cold air is filtered through the filter screen 701, the interior of the shell 1 is kept clean, meanwhile, the vent pipe 702 is covered by the dust cover 704, hands are prevented from mistakenly touching the negative pressure fan 702 in operation, the negative pressure fan 702 is supported through the dust cover 703, the falling is prevented, and the cooling function of the device is completed;

secondly, the handle 501 is pulled upwards, so that the handle 501 drives the bayonet 503 to move upwards to apply a force on the telescopic spring 502, the telescopic spring 502 is compressed under the force, the cone-shaped loudspeaker 3 is taken down for maintenance, after the maintenance is finished, the bayonet 503 is aligned to a hole inserted into the cone-shaped loudspeaker 3 for clamping, and meanwhile, the telescopic spring 502 performs reset motion to fix the bayonet 503, so that the disassembly function of the device is completed;

finally, when the device received the striking of external force, through the stronger shape of laminating shell 1 of polyformaldehyde plastic slab 203 crookedness to reach the effect of strengthening protective structure 2 outside intensity, cushion through foam 202, reduce the dynamics of striking, rubber sleeve 201 increases shell 1's elasticity immediately, reach the effect of secondary buffering, prevent that shell 1 atress from warping, accomplish the device's safeguard function, the final use work of accomplishing this stereo set that has dustproof function.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a stereo set with dustproof function, includes shell (1), awl basin speaker (3) and frequency divider (4), its characterized in that: one side of the shell (1) is provided with a protective structure (2), and a cone-shaped loudspeaker (3) is arranged in the shell (1);

a dismounting structure (5) is arranged at the top end of the cone-shaped loudspeaker (3), and a frequency divider (4) is arranged inside the cone-shaped loudspeaker (3);

one side of frequency divider (4) is provided with singlechip (6), and the bottom of singlechip (6) is provided with cooling mechanism (7), cooling mechanism (7) are including filter screen (701), negative-pressure air fan (702), ventilation pipe (703) and dust cover (704), one side in shell (1) inside is fixed in ventilation pipe (703), the internally mounted of ventilation pipe (703) has negative-pressure air fan (702).

2. A sound box with a dust-proof function according to claim 1, wherein: protective structure (2) include rubber sleeve (201), foam (202) and polyformaldehyde plastic slab (203), one side at shell (1) is all fixed in rubber sleeve (201), the outside of rubber sleeve (201) is fixed with foam (202), and the outside of foam (202) is provided with polyformaldehyde plastic slab (203).

3. A sound box with a dust-proof function according to claim 2, wherein: the rubber sleeves (201) are symmetrically distributed on two sides of the shell (1) relative to the vertical center line of the shell (1), and the thickness of the polyformaldehyde plastic plate (203) is larger than that of the foam (202).

4. A sound box with a dust-proof function according to claim 1, wherein: dismantle structure (5) and include handle (501), expanding spring (502) and bayonet lock (503), bayonet lock (503) are inserted and are established the top of awl basin formula speaker (3), the top of bayonet lock (503) is fixed with expanding spring (502), handle (501) are installed to one side of bayonet lock (503).

5. A sound box with a dust-proof function according to claim 4, characterized in that: the bayonet (503) and the cone-shaped loudspeaker (3) form a clamping structure, and the handle (501) extends to the inside of the shell (1) and is connected with the bayonet (503).

6. A sound box with a dust-proof function according to claim 1, wherein: one side of the negative pressure fan (702) is provided with a filter screen (701), and one side of the negative pressure fan (702) is provided with a dust cover (704).

7. A sound box with a dust-proof function according to claim 6, characterized in that: the width of the filter screen (701) is smaller than the thickness of the ventilation pipe (703), and the ventilation pipe (703) is connected with the dust cover (704) through the shell (1).