CN211237720U

CN211237720U - Be used for electrical apparatus silencing device

Info

Publication number: CN211237720U
Application number: CN201922273413.8U
Authority: CN
Inventors: 何辉英
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-08-11
Anticipated expiration: 2029-12-16

Abstract

The utility model discloses a be used for electrical apparatus silencing device relates to electrical apparatus technical field, including the whistle box, the inner wall of whistle box is provided with the soundproof cotton, soundproof cotton's inner wall is provided with the spiral and inhales the audio amplifier, the inner wall that the spiral inhaled the audio amplifier is provided with multiunit spiral baffle, and spiral baffle is the trapezium structure and distributes, spiral baffle one side is provided with the through-hole that runs through to its opposite side. The utility model discloses a be provided with spiral sound absorbing box, it is including spiral chamber, spiral baffle and through-hole isotructure, pass through the abatvoix when the noise and get into back in the spiral sound absorbing box, again because of spiral baffle is cascaded distribution, the degree of depth that makes spiral chamber is arranged by shallow to dark, with the noise at spiral baffle, make a round trip to reflect in spiral chamber and through-hole, the energy consumption, it is isolated at the amortization case with last noise energy to recycle soundproof cotton, prevent the outside transmission of noise, can more effectual noise reduction, and simple structure, small easy to use.

Description

Be used for electrical apparatus silencing device

Technical Field

The utility model relates to an electrical apparatus technical field specifically is a be used for electrical apparatus silencing device.

Background

The electric appliance relieves people from heavy, trivial and time-consuming housework, creates more comfortable and beautiful life and working environment which are more beneficial to physical and mental health for human beings, provides rich and colorful cultural entertainment conditions, becomes a necessity of modern family life, but the electric appliance can generate sound inevitably in the using process to influence normal rest of people, and the silencer for the electric appliance is produced.

The existing silencing device for the electric appliance is provided with more sound insulation materials, so that the device is overlarge in size, inconvenient to use and poor in silencing effect; the existing silencing device for the electric appliance has poor heat dissipation effect at the sheltered part while sound insulation, and heat accumulation is caused to damage the electric appliance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the silencer aims to solve the problems that the existing silencer for the electric appliance is provided with more sound insulation materials, so that the volume of the silencer is too large, the silencer is inconvenient to use and has poor silencing effect; the existing silencing device for the electric appliance has poor heat dissipation effect at the sheltered place while isolating sound, so that the problem that the electric appliance is damaged due to heat accumulation is solved.

In order to achieve the above object, the utility model provides a following technical scheme: a silencing device for an electric appliance comprises a silencing box, wherein soundproof cotton is arranged on the inner wall of the silencing box, a spiral sound absorbing box is arranged on the inner wall of the soundproof cotton, a plurality of groups of spiral baffles are arranged on the inner wall of the spiral sound absorbing box and distributed in a trapezoidal structure, a through hole penetrating to the other side of the spiral baffle is formed in one side of the spiral baffle, a plurality of groups of spiral cavities are formed in the inner wall of the spiral sound absorbing box through the spiral baffles, an annular stop block is fixedly connected to one side of the spiral sound absorbing box, a magnetic block is arranged on one side, away from the spiral sound absorbing box, of the annular stop block, a sound absorbing plate is arranged on one side, close to the magnetic block, of the annular stop block, two groups of heat conducting fins are arranged inside the sound absorbing plate, a first heat conducting silica gel rod penetrating to the spiral sound absorbing box is arranged on one side, close to the spiral, the top of first heat conduction piece is provided with the first fin of multiunit, the outside of first heat conduction silica gel stick is provided with the second heat conduction silica gel stick that the multiunit extends to the whistle box outside, and the end of second heat conduction silica gel stick is provided with the second heat conduction piece, the top of second heat conduction piece is provided with the multiunit second fin.

Preferably, one side of the sound muffling box close to the first radiating fin is provided with a first protective cover matched with the first heat-conducting block, and the outer side of the sound muffling box is provided with a plurality of groups of second protective covers matched with the second heat-conducting block.

Preferably, one side of the annular stop block, which is far away from the spiral sound-absorbing box, is provided with a plurality of groups of magnetic blocks, and the magnetic blocks are evenly distributed on one side of the annular stop block.

Preferably, one side of the sound attenuation box close to the annular stop block is in a bell mouth shape.

Preferably, the places where the first heat-conducting silica gel stick and the second heat-conducting silica gel stick contact with the sound muffling box are all provided with sealing sleeves.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a be provided with spiral sound absorbing box, it includes spiral chamber, spiral baffle and through-hole isotructure, after the noise entered spiral sound absorbing box through the abatvoix, again because the spiral baffle is cascaded distribution, make the degree of depth of spiral chamber arrange from shallow to deep, make the noise to make a round trip to reflect in spiral baffle, spiral chamber and through-hole, the energy consumption, recycle soundproof cotton and isolate the last noise energy in the amortization case, prevent the noise from transmitting outward, can more effectively reduce the noise, and simple structure, the volume is convenient for use; because sealed when the place with the whistle box contact, make the heat pile up, can transmit the heat for first heat conduction piece and second heat conduction piece respectively through first heat conduction silica gel stick and second heat conduction silica gel stick through the conducting strip to utilize first fin and second fin to spread the heat fast, make electrical apparatus avoid the hand to pile up the heat influence, reduce the loss.

Drawings

FIG. 1 is a schematic structural view of the silencer for electric appliances of the present invention;

FIG. 2 is a schematic view of the appearance structure of the silencer for electric appliances of the present invention;

FIG. 3 is a side view of the utility model for an electric silencing device

Fig. 4 is a schematic structural view of the spiral sound-absorbing box of the present invention.

In the figure: 1. a sound silencing box; 2. sound insulation cotton; 3. an annular stop block; 4. a spiral sound absorbing box; 5. a first heat-conducting silica gel rod; 6. a sound-absorbing panel; 7. a heat conductive sheet; 8. a magnetic block; 9. a second heat-conducting silica gel rod; 10. a first heat-conducting block; 11. a first heat sink; 12. a second heat-conducting block; 13. a second heat sink; 14. a helical cavity; 15. a helical baffle; 16. a through hole; 17. a first protective cover; 18. a second protective cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a silencer for electrical appliances comprises a silencer box 1, wherein soundproof cotton 2 is arranged on the inner wall of the silencer box 1, a spiral sound absorbing box 4 is arranged on the inner wall of the soundproof cotton 2, a plurality of groups of spiral baffles 15 are arranged on the inner wall of the spiral sound absorbing box 4, the spiral baffles 15 are distributed in a trapezoidal structure, a through hole 16 penetrating to the other side of the spiral baffle 15 is arranged on one side of each spiral baffle 15, a plurality of groups of spiral cavities 14 are arranged on the inner wall of the spiral sound absorbing box 4 through the spiral baffles 15, an annular block 3 is fixedly connected to one side of the spiral sound absorbing box 4, a magnetic block 8 is arranged on one side of the annular block 3 away from the spiral sound absorbing box 4, a sound absorbing plate 6 is arranged on one side of the inside of the annular block 3 close to the magnetic block 8, two groups of heat conducting fins 7 are arranged inside the sound absorbing plate 6, a first heat conducting silica gel rod 5 penetrating to the spiral sound absorbing, the end of first heat conduction silica gel stick 5 is provided with first heat conduction piece 10, the top of first heat conduction piece 10 is provided with the first fin 11 of multiunit, the outside of first heat conduction silica gel stick 5 is provided with the second heat conduction silica gel stick 9 that the multiunit extends to the whistle box 1 outside, and the end of second heat conduction silica gel stick 9 is provided with second heat conduction piece 12, the top of second heat conduction piece 12 is provided with multiunit second fin 13.

The utility model discloses a be provided with spiral sound absorbing box 4, it is including spiral chamber 14, spiral baffle 15 and through-hole 16 isotructures, after the noise got into spiral sound absorbing box 4 through abatvoix 6, be cascaded distribution because of spiral baffle 15 again, make spiral chamber 14's the degree of depth arrange by shallow to dark, with the noise at spiral baffle 15, make a round trip to reflect in spiral chamber 14 and through-hole 16, the energy consumption, recycle soundproof cotton 2 completely cuts off last noise energy in whistle box 1, prevent the outside transmission of noise, can more effectual noise reduction, and simple structure, small urine is in use.

Please refer to fig. 1, fig. 2 and fig. 3, one side of the sound muffling box 1 near the first heat sink 11 is provided with a first protective cover 17 matched with the first heat-conducting block 10, and the outside of the sound muffling box 1 is provided with a plurality of groups of second protective covers 18 matched with the second heat-conducting block 12.

Please refer to fig. 1, fig. 3 and fig. 4, one side of the annular stop block 3 away from the spiral sound-absorbing box 4 is provided with a plurality of sets of magnetic blocks 8, and the magnetic blocks 8 are evenly distributed on one side of the annular stop block 3, the utility model discloses a be provided with a plurality of sets of magnetic blocks 8, the sound-absorbing box 1 is conveniently fixed at the noise-generating position of the electrical appliance.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4, one side of the sound-muffling box 1 close to the annular stop 3 is designed to be in a bell-mouth shape, the utility model discloses a set one side of the sound-muffling box 1 to be in a bell-mouth shape, in order to better absorb the noise into the spiral sound-muffling box 4.

Please refer to fig. 1 and fig. 2, the first heat conductive silica gel rod 5 and the second heat conductive silica gel rod 9 are all provided with sealing sleeves at the places where they contact the sound insulation box 1, and the sealing sleeves are provided in the present invention to achieve better sealing effect.

The working principle is as follows: when the sound-absorbing box is used, the sound-absorbing box 1 is fixed at a noise part of electrical equipment through the magnetic block 8 or glue, noise passes through the sound-absorbing plate 6, part of energy is lost by the noise in the process, then the rest energy enters the spiral sound-absorbing box 4 through the sound-absorbing plate 6, the spiral baffles are distributed in a step-type manner, the depths of the spiral cavities are arranged from shallow to deep, the noise energy can be reflected back and forth in the spiral cavity 14, the spiral baffles 15 and the through holes 16 to further consume the noise energy, and finally, the noise is prevented from being transmitted outwards through the arrangement of the sound-insulating cotton 2; the heat that electrical equipment produced passes through conducting strip 7, gives first heat conduction silica gel stick 5 with heat transfer, and give second heat conduction silica gel stick 9 and second heat conduction piece 12 by first heat conduction silica gel stick 5 again, and first heat conduction piece 10 is further given to second heat conduction silica gel stick 9, and the heat all gives first fin 11 and second fin 13 at last, utilizes its principle that can dispel the heat by oneself to detach the heat, when noise abatement, do not influence the normal use of electrical apparatus.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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. A silencing device for electric appliances comprises a silencing box (1), and is characterized in that: the sound insulation board is characterized in that soundproof cotton (2) is arranged on the inner wall of the sound insulation box (1), a spiral sound absorption box (4) is arranged on the inner wall of the sound insulation cotton (2), a plurality of groups of spiral baffles (15) are arranged on the inner wall of the spiral sound absorption box (4), the spiral baffles (15) are distributed in a trapezoidal structure, a through hole (16) penetrating to the other side of the spiral baffle (15) is formed in one side of the spiral baffle (15), a plurality of groups of spiral cavities (14) are formed in the inner wall of the spiral sound absorption box (4) through the spiral baffles (15), an annular baffle block (3) is fixedly connected to one side of the spiral sound absorption box (4), a magnetic block (8) is arranged on one side, away from the spiral sound absorption box (4), a sound absorption board (6) is arranged on one side, close to the magnetic block (8), of the interior of the annular baffle block (, one side that conducting strip (7) are close to spiral and inhale audio amplifier (4) is provided with first heat conduction silica gel stick (5) that run through to spiral and inhale audio amplifier (4), the end of first heat conduction silica gel stick (5) is provided with first heat conduction piece (10), the top of first heat conduction piece (10) is provided with first fin (11) of multiunit, the outside of first heat conduction silica gel stick (5) is provided with second heat conduction silica gel stick (9) that the multiunit extends to the whistle box (1) outside, and the end of second heat conduction silica gel stick (9) is provided with second heat conduction piece (12), the top of second heat conduction piece (12) is provided with multiunit second fin (13).

2. A silencing apparatus for electric appliances, according to claim 1, wherein: one side of the sound muffling box (1) close to the first radiating fins (11) is provided with a first protective cover (17) matched with the first heat-conducting block (10), and the outer side of the sound muffling box (1) is provided with a plurality of groups of second protective covers (18) matched with the second heat-conducting blocks (12).

3. A silencing apparatus for electric appliances, according to claim 1, wherein: one side of the annular stop block (3), which is far away from the spiral sound absorbing box (4), is provided with a plurality of groups of magnetic blocks (8), and the magnetic blocks (8) are evenly distributed on one side of the annular stop block (3).

4. A silencing apparatus for electric appliances, according to claim 1, wherein: one side of the sound silencing box (1) close to the annular stop block (3) is arranged to be in a horn mouth shape.

5. A silencing apparatus for electric appliances, according to claim 1, wherein: the places where the first heat-conducting silica gel rod (5) and the second heat-conducting silica gel rod (9) are in contact with the sound-muffling box (1) are all provided with sealing sleeves.