CN209674868U - A kind of swing mechanism plate type silencer - Google Patents
A kind of swing mechanism plate type silencer Download PDFInfo
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- CN209674868U CN209674868U CN201920157404.XU CN201920157404U CN209674868U CN 209674868 U CN209674868 U CN 209674868U CN 201920157404 U CN201920157404 U CN 201920157404U CN 209674868 U CN209674868 U CN 209674868U
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- box body
- acoustical panel
- acoustical
- hole
- outlet
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Abstract
The utility model belongs to muffler technical field, propose a kind of swing mechanism plate type silencer, including direct-connected the first box body and the second box body connect, the middle part of the second box body is arranged in first box body, first box body is provided with first through hole close to one end of the second box body, the second through-hole being connected to first through hole is provided on second box body, import is provided on the side wall of the one end of the first box body far from the second box body, first passage is provided in first box body, first passage both ends respectively with first through hole, inlet communication, first passage is in U-shape, second box body is provided with outlet far from the both ends of the first box body, second channel is provided in second box body, the both ends of second channel respectively with first through hole, outlet, second channel is in fold-line-shaped, solves the technical problem of existing muffler erasure effect difference.
Description
Technical field
The utility model belongs to muffler technical field, is related to a kind of swing mechanism plate type silencer.
Background technique
Muffler is a kind of device for preventing sound transmission and air-flow being allowed to pass through, and is the weight for eliminating air power noise
Want measure.Muffler is mounted in air powered equipment, such as air blower, air compressor machine, boiler exhaust mouth, generator, water pump row
The device of reduction noise on the airflow channel of the biggish equipment of port noise or in inlet and exhaust system.Muffler is divided into expansion
Type muffler, resonance type muffler and absorption silencer, intumescent muffler be minor diameter pipe is expanded to large diameter pipe so as to
Reduce noise;Resonance type muffler is that noise is diffused to width altogether from minor diameter pipe by multiple holes being formed in minor diameter pipe
Chamber shake to offset noise;Sound-absorbing material is provided in absorbing silencer, sound-absorbing material absorption of noise is to reduce noise.
There are the technical problems such as erasure effect difference for existing muffler.
Utility model content
The utility model proposes a kind of swing mechanism plate type silencers, solve above-mentioned technical problem.
The technical solution of the utility model is achieved in that
A kind of swing mechanism plate type silencer, comprising:
The middle part of second box body, institute is arranged in first box body and the second box body connected vertically, first box body
It states the first box body and one end of second box body is provided with first through hole, be provided on second box body and described first
Second through-hole of through-hole connection, is provided with import on the side wall of the one end of first box body far from second box body, described
Be provided with first passage in first box body, first passage both ends respectively with the first through hole, the inlet communication, first passage
It is in U-shape, second box body is provided with outlet far from the both ends of first box body, is provided with second in second box body
Channel, respectively with the first through hole, the outlet, second channel is in fold-line-shaped at the both ends of second channel.
As further technical solution, the first noise reduction positioned at the inlet side is provided in first box body
Plate, first acoustical panel are provided with the first gap between one end and first inboard wall of cartridge far from the import.
As further technical solution, several second acoustical panels and third acoustical panel are provided in second box body,
Second acoustical panel and the third acoustical panel are inclined at respectively on the opposite two sidewalls of second box body,
The 4th acoustical panel is provided between two neighboring second acoustical panel, the both ends of the 4th acoustical panel are solid respectively
Be arranged on two opposite inner walls of second box body calmly, the 4th acoustical panel is V-shaped, inclined both sides respectively with institute
It states that the second acoustical panel, the third acoustical panel are parallel, and has the 4th between the inner wall of second box body of its two sides
Gap.
As further technical solution, the exit is provided with the 5th noise reduction close to the side of the first through hole
Plate, the 5th acoustical panel are vertically and fixedly arranged on second inboard wall of cartridge, and the 5th acoustical panel is far from the outlet
One end and second inboard wall of cartridge between be provided with the second gap.
As further technical solution, side setting of the 5th acoustical panel close to the outlet vertically has several the
Six acoustical panels, the 6th acoustical panel are provided with third space between two neighboring 6th acoustical panel in bending in a zigzag,
The third space and the outlet.
As further technical solution, first acoustical panel, second acoustical panel, the third acoustical panel, institute
Stating the 4th acoustical panel, the 5th acoustical panel, the 6th acoustical panel includes wooden plate body, and the wood based panel is enclosed in vitro
One layer of mineral wool.
Compared with prior art, it utility model works principle and has the beneficial effect that
1, in the utility model, muffler includes the first box body and the second box body for being mutually perpendicular to and being connected to, the second box body
Symmetrical relative to the first box body, the second box body is located at the end of the first box body, and import is provided on the side wall of the first box body, the
There are two outlets, noise sound wave to enter from import for setting altogether on the both ends side wall of two box bodys, and U-shaped first is passed through in the first box body
First through hole is passed through behind channel is divided into two parts along second channel in the second box body, through excessive subsequently into the second box body
It being discharged respectively from two outlets at both ends after secondary bending, noise is absorbed and disperses in the first box body and the second box body, from
The noise of outlet discharge is reduced to 90 decibels, in the receptible range of human ear institute.The plate type silencer passes through its internal structure
It can effectively absorb and distributed noise, reduction noise bring endanger.
2, in the utility model, be provided with the first acoustical panel in the first box body, the setting of the first acoustical panel in inlet side, with
The side wall of the first box body where import is mutually perpendicular to, the length of the first acoustical panel less than the first box body length, between the two
The first gap passed through for noise.Side wall where import and the side wall where first through hole are also vertical, and such design can
Increase noise in the intracorporal length of motion route of the first box, increases and the contact duration of the first acoustical panel, to greatest extent noise reduction.
3, in the utility model, the second acoustical panel and third acoustical panel, the second acoustical panel and are provided in the second box body
Three acoustical panels are symmetrical relative to the center line of the second box body, and the second acoustical panel is fixed at the second box body phase with third acoustical panel
Pair two side walls on, the angle of the second acoustical panel and side wall, third acoustical panel and side wall is acute angle, i.e. the second acoustical panel and the
Three acoustical panels are obliquely installed to close to exit.It is provided with the 4th acoustical panel between two adjacent the second acoustical panels, the
Four acoustical panels are V-shaped, and both ends are fixed on the side wall of the second box body, deposit between another both ends and the other two sidewalls of the second box body
In the 4th gap, passed through for noise sound wave, noise sound wave from first through hole enter, be divided into two parts and respectively enter, along word
The movement of shape path, moves in the second box body to greatest extent.
4, in the utility model, exit is provided with the 5th acoustical panel, the second box where the 5th acoustical panel and outlet
Body sidewall is vertical, and three sides of the 5th acoustical panel are fixedly connected with the second inboard wall of cartridge, the inner wall of another side and the second box body
Between have the second gap, passed through for noise sound wave.
5, in the utility model, the 5th acoustical panel is provided with several 6th acoustical panels far from the side of first through hole, each
6th acoustical panel is parallel to each other, and noise passes through from the third space between two neighboring 6th acoustical panel and outside discharge outlet.The
Six acoustical panels are in fold-line-shaped, are able to extend the length of motion route of noise, are increased and the 6th acoustical panel time of contact, raising noise reduction
Effect.
6, in the utility model, the first acoustical panel, the second acoustical panel, third acoustical panel, the 4th acoustical panel, the 5th noise reduction
Plate, the 6th acoustical panel material include wooden plate body and mineral wool wrapped outside, mineral wool can effectively absorb noise.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the first tray interior structural schematic diagram in the utility model;
Fig. 3 is first passage structural schematic diagram in the utility model;
Fig. 4 is the second tray interior structural schematic diagram in the utility model;
Fig. 5 is second channel structural schematic diagram in the utility model;
Fig. 6 is the 6th acoustical panel and third space structural schematic diagram in the utility model;
Fig. 7 is the second acoustical panel structural schematic diagram in the utility model;
In figure: the first box body of 1-, the second box body of 2-, 3- first through hole, the first acoustical panel of 4-, the first gap 5-, 6- second
Acoustical panel, 7- third acoustical panel, the 4th acoustical panel of 8-, the 5th acoustical panel of 9-, the second gap 10-, 11- import, the outlet 12-, 13-
6th acoustical panel, 14- third space, the wooden plate body of 15-, 16- mineral wool, the second through-hole of 17-, the 4th gap 18-.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Fig. 1-Fig. 7, the utility model proposes a kind of swing mechanism plate type silencers, comprising:
The middle part of the second box body 2, the first box is arranged in first box body 1 connected vertically and the second box body 2, the first box body 1
Body 1 is provided with first through hole 3 close to one end of the second box body 2, is provided with second be connected to first through hole 3 on the second box body 2
Through-hole 17 is provided with import 11 on the side wall of the one end of the first box body 1 far from the second box body 2, is provided with first in the first box body 1
Channel, first passage both ends are connected to first through hole 3, import 11 respectively, and first passage is in U-shape, and the second box body 2 is far from the first box
The both ends of body 1 are provided with outlet 12, and second channel is provided in the second box body 2, and the both ends of second channel are logical with first respectively
Hole 3,12 connection of outlet, second channel is in fold-line-shaped.
In the present embodiment, muffler includes the first box body 1 and the second box body 2 for being mutually perpendicular to and being connected to, 2 phase of the second box body
Symmetrical for the first box body 1, the second box body 2 is located at the end of the first box body 1, is provided with import on the side wall of the first box body 1
11, there are two outlets 12 for setting altogether on the both ends side wall of the second box body 2, and noise sound wave enters from import 11, in the first box body 1
First through hole 3 is passed through after U-shaped first passage, then enters the second box body 2, the edge in the second box body 2 from the second through-hole 17
Second channel be divided into two parts, respectively from two of both ends 12 discharges of outlet after multiple bending, in 1 He of the first box body
Noise is absorbed and disperses in second box body 2, and the noise being discharged from outlet 12 is reduced to 90 decibels, in the receptible model of human ear institute
In enclosing.
In the present embodiment, which can effectively be absorbed by its internal structure and distributed noise, reduction are made an uproar
The harm of sound bring.
Further, be provided with the first acoustical panel 4 positioned at 11 side of import in the first box body 1, the first acoustical panel 4 far from into
The first gap 5 is provided between 1 inner wall of one end and the first box body of mouth 11.
In the present embodiment, the first acoustical panel 4 is provided in the first box body 1, the first acoustical panel 4 is arranged in 11 side of import,
Be mutually perpendicular to the side wall of the first box body 1 where import 11, the length of the first acoustical panel 4 less than the first box body 1 length, two
The first gap 5 between person is passed through for noise.Side wall where import 11 and the side wall where first through hole 3 are also vertical, in this way
Design can increase length of motion route of the noise in the first box body 1, increase with the contact duration of the first acoustical panel 4, most
Limits noise reduction.
Further, several second acoustical panels 6 and third acoustical panel 7, the second acoustical panel 6 and are provided in the second box body 2
Three acoustical panels 7 are inclined at respectively on the opposite two sidewalls of the second box body 2, are provided between two neighboring second acoustical panel 6
4th acoustical panel 8, the both ends of the 4th acoustical panel 8 are respectively fixedly disposed on two opposite inner walls of the second box body 2, the 4th noise reduction
Plate 8 is V-shaped, and inclined both sides are parallel with the second acoustical panel 6, third acoustical panel 7 respectively, and with the second box body 2 of two sides
There is the 4th gap 18 between inner wall.
In the present embodiment, the second acoustical panel 6 and third acoustical panel 7, the second acoustical panel 6 and are provided in the second box body 2
Three acoustical panels 7 are symmetrical relative to the center line of the second box body 2, and the second acoustical panel 6 is fixed at the second box with third acoustical panel 7
In the opposite two side walls of body 2, the angle of the second acoustical panel 6 and side wall, third acoustical panel 7 and side wall is acute angle, i.e., second disappears
Soundboard 6 and third acoustical panel 7 are obliquely installed at outlet 12.It is provided between two adjacent the second acoustical panels 6
4th acoustical panel 8, the 4th acoustical panel 8 is V-shaped, and both ends are fixed on the side wall of the second box body 2, another both ends and the second box body 2
Other two sidewalls between there are the 4th gaps 18, passed through for noise sound wave, noise sound wave from first through hole 3 enter, be divided into two
Part respectively enters, and moves along zigzag path, moves in the second box body 2 to greatest extent.
Further, the side of first through hole 3 is provided with the 5th acoustical panel 9 at outlet 12, the 5th acoustical panel 9 is vertically solid
It is fixed to be arranged on 2 inner wall of the second box body, it is provided between the 5th 2 inner wall of one end and the second box body of the acoustical panel 9 far from outlet 21
Second gap 10.
In the present embodiment, the 5th acoustical panel 9, the 5th acoustical panel 9 and second where outlet 12 are provided at outlet 12
2 side wall of box body is vertical, and three sides of the 5th acoustical panel 9 are fixedly connected with 2 inner wall of the second box body, another side and the second box body 2
Inner wall between have the second gap 10, passed through for noise sound wave.
Further, side setting of the 5th acoustical panel 9 close to outlet 12 vertically has several 6th acoustical panels 13, the 6th noise reduction
Plate 13 is provided with third space 14, third space 14 and outlet 12 in bending in a zigzag between two neighboring 6th acoustical panel 13
Connection.
In the present embodiment, the 5th acoustical panel 9 is provided with several 6th acoustical panels 13 far from the side of first through hole 3, each
6th acoustical panel 13 is parallel to each other, and noise passes through simultaneously discharge outlet from the third space 14 between two neighboring 6th acoustical panel 13
Outside 12.6th acoustical panel 13 is in fold-line-shaped, the length of motion route of noise is able to extend, when increase is contacted with the 6th acoustical panel 13
Between, improve noise reduction effect.
Further, the first acoustical panel 4, the second acoustical panel 6, third acoustical panel 7, the 4th acoustical panel 8, the 5th acoustical panel 9,
Six acoustical panels 13 include wooden plate body 15, and wooden plate body 15 is wrapped with one layer of mineral wool 16.
In the present embodiment, the first acoustical panel 4, the second acoustical panel 6, third acoustical panel 7, the 4th acoustical panel 8, the 5th acoustical panel
9, the material of the 6th acoustical panel 13 includes wooden plate body 15 and mineral wool wrapped outside 16, and mineral wool 16 can be effectively absorbed and be made an uproar
Sound.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. a kind of swing mechanism plate type silencer, which is characterized in that including the first box body (1) connected vertically and the second box body
(2), the first box body (1) setting is at the middle part of second box body (2), and first box body (1) is close to second box
One end of body (2) is provided with first through hole (3), and be connected to the first through hole (3) is provided on second box body (2)
Two through-holes (17),
First box body (1) is provided with import (11) on the side wall far from one end of second box body (2), first box
It is provided with first passage in body (1), first passage both ends are connected to the first through hole (3), the import (11) respectively, and first
Channel is in U-shape,
Second box body (2) is provided with outlet (12) far from the both ends of first box body (1), second box body (2)
It is inside provided with second channel, the both ends of second channel are connected to the first through hole (3), the outlet (12) respectively, and second is logical
Road is in fold-line-shaped.
2. a kind of swing mechanism plate type silencer according to claim 1, which is characterized in that first box body (1)
It is inside provided with the first acoustical panel (4) positioned at the import (11) side, first acoustical panel (4) is far from the import (11)
One end and first box body (1) inner wall between be provided with the first gap (5).
3. a kind of swing mechanism plate type silencer according to claim 2, which is characterized in that second box body (2)
Inside it is provided with several second acoustical panels (6) and third acoustical panel (7), second acoustical panel (6) and the third acoustical panel (7)
It is inclined on the opposite two sidewalls of second box body (2) respectively,
The 4th acoustical panel (8), the both ends of the 4th acoustical panel (8) are provided between two neighboring second acoustical panel (6)
It is respectively fixedly disposed on two opposite inner walls of second box body (2), the 4th acoustical panel (8) is V-shaped, inclined
Both sides are parallel with second acoustical panel (6), third acoustical panel (7) respectively, and second box body (2) with its two sides
Inner wall between exist the 4th gap (18).
4. a kind of swing mechanism plate type silencer according to claim 3, which is characterized in that leaned at the outlet (12)
The side of the nearly first through hole (3) is provided with the 5th acoustical panel (9), and the 5th acoustical panel (9) is vertically and fixedly arranged at institute
It states on the second box body (2) inner wall, the 5th acoustical panel (9) one end and second box body (2) far from the outlet (21)
The second gap (10) are provided between inner wall.
5. a kind of swing mechanism plate type silencer according to claim 4, which is characterized in that the 5th acoustical panel
(9) vertically there are several 6th acoustical panels (13) close to the side setting of the outlet (12), the 6th acoustical panel (13) is in it
Font bending, is provided with third space (14) between two neighboring 6th acoustical panel (13), the third space (14) with
Outlet (12) connection.
6. a kind of swing mechanism plate type silencer according to claim 5, which is characterized in that first acoustical panel
(4), second acoustical panel (6), the third acoustical panel (7), the 4th acoustical panel (8), the 5th acoustical panel (9),
6th acoustical panel (13) includes wooden plate body (15), and the wooden plate body (15) is wrapped with one layer of mineral wool (16).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920157404.XU CN209674868U (en) | 2019-01-29 | 2019-01-29 | A kind of swing mechanism plate type silencer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920157404.XU CN209674868U (en) | 2019-01-29 | 2019-01-29 | A kind of swing mechanism plate type silencer |
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Publication Number | Publication Date |
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CN209674868U true CN209674868U (en) | 2019-11-22 |
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ID=68567738
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CN201920157404.XU Active CN209674868U (en) | 2019-01-29 | 2019-01-29 | A kind of swing mechanism plate type silencer |
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CN (1) | CN209674868U (en) |
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2019
- 2019-01-29 CN CN201920157404.XU patent/CN209674868U/en active Active
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