CN215830567U - Car roof silencer - Google Patents
Car roof silencer Download PDFInfo
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- CN215830567U CN215830567U CN202121099635.3U CN202121099635U CN215830567U CN 215830567 U CN215830567 U CN 215830567U CN 202121099635 U CN202121099635 U CN 202121099635U CN 215830567 U CN215830567 U CN 215830567U
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- grid plate
- smoke
- smoke exhaust
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- rectangular cavity
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Abstract
The utility model relates to a roof silencer, comprising: the rectangle frame, the rectangle frame includes: a lower grid plate assembly and an upper grid plate assembly; the lower grid plate rectangular cavity and the upper grid plate rectangular cavity form a U-shaped inner cavity; the U-shaped inner cavity forms a smoke exhaust channel; a smoke inlet is formed in one side of the bottom of the lower grid plate component; the smoke inlet is communicated with the rectangular cavity of the lower grid plate; the top of the upper grid plate component is provided with a smoke outlet; the smoke outlet is communicated with the rectangular cavity of the upper grid plate; the smoke outlet is provided with a smoke exhaust cover; the rectangular outer frame is of a hollow structure; the rectangular outer frame is filled with aluminum silicate acupuncture cotton. The car roof silencer is simple in structure, the smoke exhaust channel is divided into an upper layer and a lower layer, multi-channel smoke exhaust is respectively adopted between the two layers, the transmission path of sound can be disturbed, and most of sound can be absorbed through the aluminum silicate acupuncture cotton filled in the cross transmission process, so that the noise reduction effect is achieved.
Description
Technical Field
The utility model relates to a silencer, in particular to a roof silencer.
Background
At present in the supply vehicle field, the supply vehicle is when external output voltage, and the car internal combustion oil generator noise is big, and calorific capacity is big, and the muffler generally is cask muffler, and the muffler diameter is big, and inside amortization filler material is poor, and noise cancelling effect is poor, inconvenient installation and dismantlement in the supply vehicle field, and vehicle-mounted structure poor stability.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides the roof silencer which is simple in structure, good in silencing effect, capable of reducing noise and convenient to mount and dismount.
The technical scheme adopted by the utility model is as follows:
a roof silencer assembly for a vehicle,
the method comprises the following steps: the rectangle frame, the rectangle frame includes: a lower grid plate assembly and an upper grid plate assembly;
the lower grid plate component and the upper grid plate component are of an integrated structure;
a lower grid plate rectangular cavity is formed in the lower grid plate assembly;
an upper grid plate rectangular cavity is formed inside the upper grid plate component;
the lower grid plate rectangular cavity and the upper grid plate rectangular cavity form a U-shaped inner cavity;
the U-shaped inner cavity forms a smoke exhaust channel;
a smoke inlet is formed in one side of the bottom of the lower grid plate component; the smoke inlet is communicated with the rectangular cavity of the lower grid plate;
the lower grid plate rectangular cavity and the upper grid plate rectangular cavity are communicated through a rectangular through hole at one side far away from the smoke inlet;
the top of the upper grid plate component is provided with a smoke outlet; the smoke outlet is communicated with the rectangular cavity of the upper grid plate;
the central lines of the smoke outlet and the smoke inlet are overlapped;
the smoke outlet is provided with a smoke exhaust cover;
the rectangular outer frame is of a hollow structure;
aluminum silicate acupuncture cotton is filled in the rectangular outer frame;
the side walls of the lower grid plate assembly and the upper grid plate assembly are of hollow structures to form side wall cavities;
the cavity on the side wall is filled with aluminum silicate acupuncture cotton;
a flange cover plate is arranged at the top of the upper grid plate component;
both sides of the flange cover plate are respectively provided with a hanging ring.
The smoke outlet of the generator is provided with an elbow which is connected with the lower end of the metal corrugated pipe through a bolt and nut component and a lower flange; the upper end of the metal corrugated pipe is connected with the smoke inlet through a bolt and nut assembly and an upper flange. The lower flange can move within a certain range, and is convenient to install.
Two smoke outlets are provided;
the two smoke outlets are respectively provided with a smoke exhaust cover;
the smoke exhaust cover is fixed on the flange cover plate in a welding mode;
the included angle between the smoke exhaust cover and the flange cover plate is less than 30 degrees.
The smoke exhaust cover is connected with the flange cover plate through a bolt.
The bolt is provided with a limiting bulge; the limit protrusion limits the opening angle of the smoke exhaust cover to be less than 30 degrees.
The smoke exhaust channel is an upper layer and a lower layer, and at least two smoke exhaust channels are arranged between the two layers.
Compared with the prior art, the utility model has the beneficial effects that:
the car roof silencer is simple in structure, the smoke exhaust channel is divided into an upper layer and a lower layer, multi-channel smoke exhaust is respectively adopted between the two layers, the transmission path of sound can be disturbed, and most of sound can be absorbed through the aluminum silicate acupuncture cotton filled in the cross transmission process, so that the noise reduction effect is achieved. Meanwhile, the silencer and the generator are connected through the metal corrugated pipe (9) due to the fact that the exhaust gas pressure is large, and damage to the shell of the silencer caused by vibration generated under the impact of the gas pressure can be prevented.
The peripheral flanges of the silencer are in butt joint with the roof, and the lifting ring type installation is fixed at the top of the carriage through the outer hexagonal screws (11), so that the occupied size is small.
Drawings
FIG. 1 is a front cross-sectional structural view of the roof muffler of the present invention;
FIG. 2 is a side cross-sectional structural schematic view of the roof muffler of the present invention;
fig. 3 is a perspective view of the roof silencer of the present invention.
In the drawings, the main parts are illustrated by symbols:
in the figure:
1. smoke exhaust cover 2 welding hanging ring
3. Smoke outlet 4, aluminum silicate acupuncture cotton
5. Outer frame cavity 6 and generator exhaust port elbow
7. Lower grid plate assembly 8 and upper grid plate assembly
9. Metal corrugated pipe 10 and flange cover plate
11. Outer hexagon bolt 12, flange
13. Bolt nut subassembly.
Detailed Description
The utility model is described in detail below with reference to the figures and examples:
as can be seen in fig. 1-3, a roof muffler assembly,
the method comprises the following steps: the rectangle frame, the rectangle frame includes: a lower grid plate assembly 7 and an upper grid plate assembly 8;
the lower grid plate component 7 and the upper grid plate component 8 are of an integral structure;
a lower grid plate rectangular cavity is formed inside the lower grid plate assembly 7;
an upper grid plate rectangular cavity is formed inside the upper grid plate component 8;
the lower grid plate rectangular cavity and the upper grid plate rectangular cavity form a U-shaped inner cavity;
the U-shaped inner cavity forms a smoke exhaust channel;
when the generator works, smoke is discharged through the generator smoke outlet elbow 6. A smoke inlet is arranged at one side of the bottom of the lower grid plate component 7; the smoke inlet is communicated with the rectangular cavity of the lower grid plate.
The lower grid plate rectangular cavity and the upper grid plate rectangular cavity are communicated through a rectangular through hole at one side far away from the smoke inlet;
the top of the upper grid plate component 8 is provided with a smoke outlet 3; the smoke outlet 3 is communicated with the rectangular cavity of the upper grid plate;
the central line of the smoke outlet 3 and the central line of the smoke inlet are superposed;
the smoke outlet 3 is provided with a smoke exhaust cover 1;
the rectangular outer frame is of a hollow structure;
the rectangular outer frame is filled with aluminum silicate acupuncture cotton 4
The side walls of the lower grid plate component 7 and the upper grid plate component 8 are of hollow structures, so that side wall cavities are formed;
the cavity of the side wall is filled with aluminum silicate acupuncture cotton 4;
a flange cover plate 10 is arranged at the top of the upper grid plate component 8;
and the two sides of the flange cover plate 10 are respectively provided with a lifting ring 2. Two rings 2 are welded on two sides of the flange cover plate 10, so that the hoisting is convenient.
The generator smoke outlet is provided with an elbow 6, and the elbow 6 is connected with the lower end of the metal corrugated pipe (9) through a bolt and nut component 13 and a lower flange 12; the upper end of the metal corrugated pipe (9) is connected with the smoke inlet through a bolt and nut component and an upper flange. The lower flange 12 can move within a certain range, and is convenient to install.
Two smoke outlets 3 are provided;
the two smoke outlets are respectively provided with a smoke exhaust cover 1;
the smoke exhaust cover 1 is fixed on the flange cover plate 10 in a welding mode;
the included angle between the smoke exhaust cover 1 and the flange cover plate 10 is less than 30 degrees.
The smoke exhaust cover 1 is connected with the flange cover plate 10 through a bolt.
The bolt is provided with a limiting bulge; the limit bulge limits the opening angle of the smoke exhaust cover 1 to be less than 30 degrees.
Can effectively prevent rainwater from entering the silencing box in rainy days. The smoke exhaust cover directly falls on the two smoke exhaust ports 3 in a free state to play a role of rain prevention, and the two smoke exhaust covers 1 can be blown open through the pressure of the smoke window during smoke exhaust.
And the aluminum silicate needle punched cotton 4 is filled between the lower grid plate component 7 and the upper grid plate component 8.
The smoke exhaust channel is an upper layer and a lower layer, and at least two smoke exhaust channels are arranged between the two layers.
The roof silencer provided by the utility model is more suitable for silencing the smoke outlet of the generator of the power supply vehicle by adopting a square multi-channel design, and is wide in application.
The car roof silencer is simple in structure, the smoke exhaust channel is divided into an upper layer and a lower layer, multi-channel smoke exhaust is respectively adopted between the two layers, the transmission path of sound can be disturbed, and most of sound can be absorbed through the aluminum silicate acupuncture cotton filled in the cross transmission process, so that the noise reduction effect is achieved. Meanwhile, the silencer and the generator are connected through the metal corrugated pipe (9) due to the fact that the exhaust gas pressure is large, and damage to the shell of the silencer caused by vibration generated under the impact of the gas pressure can be prevented.
The peripheral flanges of the silencer are in butt joint with the roof, and the hanging ring type installation is fixed at the top of the carriage through the outer hexagon bolts 11, so that the occupied size is small.
The aluminum silicate acupuncture cotton has good tensile strength, toughness and a fiber structure, can resist temperature of 950-1400 ℃, has chemical stability, thermal stability and sound absorption and noise reduction performances, is large in tensile strength, low in heat conductivity and low in heat capacity, can be filled in the internal grids in a welding mode to play a good sound absorption effect, and meanwhile, the aluminum silicate acupuncture cotton is filled in the cavity of the outer frame to have a good heat insulation effect below the sound damping chamber.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way. Any simple modification, equivalent change and modification of the above embodiments according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (6)
1. A roof silencer, characterized by:
the method comprises the following steps: a rectangular outer frame (5), the rectangular outer frame (5) comprising: a lower grid plate component (7) and an upper grid plate component (8);
the lower grid plate component (7) and the upper grid plate component (8) are of an integrated structure;
a lower grid plate rectangular cavity is formed inside the lower grid plate assembly (7);
an upper grid plate rectangular cavity is formed inside the upper grid plate component (8);
the lower grid plate rectangular cavity and the upper grid plate rectangular cavity form a U-shaped inner cavity;
the U-shaped inner cavity forms a smoke exhaust channel;
a smoke inlet is arranged at one side of the bottom of the lower grid plate component (7); the smoke inlet is communicated with the rectangular cavity of the lower grid plate;
the lower grid plate rectangular cavity and the upper grid plate rectangular cavity are communicated through a rectangular through hole at one side far away from the smoke inlet;
the top of the upper grid plate component (8) is provided with a smoke outlet (3); the smoke outlet (3) is communicated with the rectangular cavity of the upper grid plate;
the central line of the smoke outlet (3) is coincident with the central line of the smoke inlet;
the smoke outlet (3) is provided with a smoke exhaust cover (1);
the rectangular outer frame is of a hollow structure;
the rectangular outer frame is filled with aluminum silicate acupuncture cotton (4)
The side walls of the lower grid plate component (7) and the upper grid plate component (8) are of hollow structures, so that side wall cavities are formed;
the cavity of the side wall is filled with aluminum silicate acupuncture cotton (4);
a flange cover plate (10) is arranged at the top of the upper grid plate component (8);
both sides of the flange cover plate (10) are respectively provided with a hanging ring (2).
2. The roof silencer of claim 1, wherein:
the smoke outlet of the generator is provided with an elbow (6), and the elbow (6) is connected with the lower end of the metal corrugated pipe (9) through a bolt and nut component (13) and a lower flange (12); the upper end of the metal corrugated pipe (9) is connected with the smoke inlet through a bolt and nut component and an upper flange.
3. The roof silencer of claim 1, wherein:
two smoke outlets (3) are arranged;
the two smoke outlets are respectively provided with a smoke exhaust cover (1);
the smoke exhaust cover (1) is fixed on the flange cover plate (10) in a welding mode;
the included angle between the smoke exhaust cover (1) and the flange cover plate (10) is less than 30 degrees.
4. The roof silencer of claim 1, wherein:
the smoke exhaust cover (1) is connected with the flange cover plate (10) through a bolt.
5. The roof silencer of claim 4, wherein:
the bolt is provided with a limiting bulge; the limit bulge limits the opening angle of the smoke exhaust cover (1) to be less than 30 degrees.
6. The roof silencer of claim 1, wherein:
the smoke exhaust channel is divided into an upper layer and a lower layer, and at least two smoke exhaust channels are arranged between the two layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121099635.3U CN215830567U (en) | 2021-05-21 | 2021-05-21 | Car roof silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121099635.3U CN215830567U (en) | 2021-05-21 | 2021-05-21 | Car roof silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215830567U true CN215830567U (en) | 2022-02-15 |
Family
ID=80189000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121099635.3U Active CN215830567U (en) | 2021-05-21 | 2021-05-21 | Car roof silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215830567U (en) |
-
2021
- 2021-05-21 CN CN202121099635.3U patent/CN215830567U/en active Active
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