CN219891887U - Surrounding air flow guiding sound absorbing and insulating silencer - Google Patents
Surrounding air flow guiding sound absorbing and insulating silencer Download PDFInfo
- Publication number
- CN219891887U CN219891887U CN202321401416.5U CN202321401416U CN219891887U CN 219891887 U CN219891887 U CN 219891887U CN 202321401416 U CN202321401416 U CN 202321401416U CN 219891887 U CN219891887 U CN 219891887U
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- China
- Prior art keywords
- box body
- separation sleeve
- air flow
- sound absorbing
- cotton layer
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Links
- 230000003584 silencer Effects 0.000 title claims abstract description 22
- 229920000742 Cotton Polymers 0.000 claims abstract description 43
- 238000000926 separation method Methods 0.000 claims abstract description 42
- 238000009413 insulation Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001743 silencing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Exhaust Silencers (AREA)
Abstract
The utility model relates to the technical field of silencers, and provides a surrounding air flow guiding sound absorption and insulation silencer, which comprises a box body and a sound absorption cotton layer arranged in the box body, wherein an air inlet is arranged at the inlet end of the box body, and a discharge outlet is arranged at the outlet end of the box body, and the key lies in: the silencer further comprises a buffer storage cylinder arranged in the box body and a separation sleeve arranged on the periphery of the buffer storage cylinder in a sealing mode, an inlet end of the buffer storage cylinder is communicated with an air inlet of the box body, an outlet end of the buffer storage cylinder is communicated with the inside of the separation sleeve, the sound absorbing cotton layer comprises a first sound absorbing cotton layer arranged between the separation sleeve and the outer wall of the buffer storage cylinder and a second sound absorbing cotton layer arranged between the outer wall of the separation sleeve and the inner wall of the box body, and an air outflow opening is formed in one end, close to the air inlet of the box body, of the separation sleeve. The problems that in the related art, the box body is directly filled with sound absorption materials, air flow enters from one end of the box body, is discharged from the other end of the box body after passing through the sound absorption materials, and the air quantity is slowly diffused, so that the mechanical action of equipment is affected are solved.
Description
Technical Field
The utility model relates to the technical field of silencers, in particular to a surrounding air flow guiding sound absorption and insulation silencer.
Background
The silencer is a device which allows air flow to pass through but can prevent or reduce sound transmission, is an important structure for eliminating aerodynamic noise, and can effectively reduce noise when the ventilation fan is operated. The noise silencer is of various types, but the sound insulation mechanism of the noise silencer can be divided into six main types, namely a resistive silencer, a resistant silencer, a resistance composite silencer, a microperforated panel silencer, a small-hole silencer and an active silencer, wherein the noise silencer is made of porous sound absorption materials to reduce noise, the existing resistive silencer is directly filled with the sound absorption materials in a box body, air flow enters from one end of the box body, is discharged from the other end of the box body after passing through the sound absorption materials, and is slow in air quantity diffusion, so that the mechanical action of equipment is influenced.
Disclosure of Invention
The utility model provides a surrounding air flow guiding sound absorption and insulation silencer, which solves the problems that in the related art, sound absorption materials are directly filled in a box body, air flow enters from one end of the box body, is discharged from the other end of the box body after passing through the sound absorption materials, and the air quantity is slowly diffused, so that the mechanical action of equipment is influenced.
The technical scheme of the utility model is as follows: the utility model provides a sound insulation muffler is inhaled in surrounding air flow direction, includes the box and sets up the cotton layer of inhaling in the box, and the entrance point of box is provided with the air inlet, the exit end is provided with the discharge port, and the key lies in: the silencer further comprises a buffer storage cylinder arranged in the box body and a separation sleeve arranged on the periphery of the buffer storage cylinder in a sealing mode, an inlet end of the buffer storage cylinder is communicated with an air inlet of the box body, an outlet end of the buffer storage cylinder is communicated with the inside of the separation sleeve, the sound absorbing cotton layer comprises a first sound absorbing cotton layer arranged between the separation sleeve and the outer wall of the buffer storage cylinder and a second sound absorbing cotton layer arranged between the outer wall of the separation sleeve and the inner wall of the box body, and an air outflow opening is formed in one end, close to the air inlet of the box body, of the separation sleeve.
The air inlet of the box body is positioned at the inner side of the inner wall of the cache cylinder.
The end face of the buffer cylinder is square, round or regular polygon, and the buffer cylinder, the separation sleeve and the box body are coaxially arranged.
The silencer further comprises a quick connector, one end of the quick connector is connected with the air inlet of the box body, and the other end of the quick connector extends to the outside of the box body.
The quick connector is detachably connected with the box body.
The box includes the barrel, sets up the first end plate at barrel one end and set up the second end plate at the barrel other end, and the air inlet sets up on first end plate, and the discharge port sets up on the second end plate, all is detachable connection between first end plate and the barrel, between second end plate and the barrel.
A second sound-absorbing cotton layer is arranged between the separation sleeve and the first end plate, and air flow outlets are formed in the end face and the side wall of the separation sleeve, which are close to one end of the first end plate.
A second sound absorbing cotton layer is arranged between the separation sleeve and the second end plate, a group of discharge ports are formed in the second end plate, and the distances between adjacent discharge ports are equal.
The working principle and the beneficial effects of the utility model are as follows: the box body is internally provided with a buffer storage cylinder, the periphery of the buffer storage cylinder is hermetically provided with a separation sleeve, the inlet end of the buffer storage cylinder is communicated with the air inlet of the box body, the outlet end of the buffer storage cylinder is communicated with the inside of the separation sleeve, a first sound-absorbing cotton layer is arranged between the separation sleeve and the outer wall of the buffer storage cylinder, a second sound-absorbing cotton layer is arranged between the outer wall of the separation sleeve and the inner wall of the box body, and one end of the separation sleeve, which is close to the air inlet of the box body, is provided with an air outflow opening. The air flow enters the buffer storage cylinder rapidly through the air inlet, then moves towards the outlet end of the box body, is discharged from the outlet end of the buffer storage cylinder and enters the first sound-absorbing cotton layer, then moves towards the air inlet direction, is discharged from the air flow outlet on the partition sleeve and enters the second sound-absorbing cotton layer, then moves towards the outlet end of the box body, finally is discharged through the discharge port, and the air flow moves around in the box body, so that the movement track of the air flow in the box body can be prolonged, the contact time of the air flow and the sound-absorbing cotton layer is prolonged, and the sound-absorbing effect is improved.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a front view of the present utility model.
Fig. 2 is a left side view of the present utility model.
Fig. 3 is a schematic structural view of the case according to the present utility model.
In the figure: 1. 1-1 parts of a box body, 1-2 parts of a cylinder body, 1-3 parts of a first end plate, 1-3 parts of a second end plate, 2 parts of an air inlet, 3 parts of an exhaust port, 4 parts of a buffer cylinder, 5 parts of a separation sleeve, 6 parts of a first sound-absorbing cotton layer, 7 parts of a second sound-absorbing cotton layer, 8 parts of an air flow outlet, 9 parts of a quick-assembly connector.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on the embodiments of the present utility model, are intended to be encompassed within the scope of the present utility model.
The embodiment, as shown in fig. 1 and 2, includes a box 1, and a sound absorbing cotton layer disposed in the box 1, an inlet end of the box 1 is provided with an air inlet 2, an outlet end is provided with a discharge port 3, the silencer further includes a buffer tank 4 disposed in the box 1, and a separation sleeve 5 disposed on the periphery of the buffer tank 4 in a sealing manner, the inlet end of the buffer tank 4 is communicated with the air inlet 2 of the box 1, the outlet end of the buffer tank 4 is communicated with the inside of the separation sleeve 5, the sound absorbing cotton layer includes a first sound absorbing cotton layer 6 disposed between the separation sleeve 5 and the outer wall of the buffer tank 4, and a second sound absorbing cotton layer 7 disposed between the outer wall of the separation sleeve 5 and the inner wall of the box 1, and an air flow outlet 8 is disposed at one end of the separation sleeve 5 near the air inlet of the box 1.
As a further improvement of the present utility model, the air inlet 2 of the case 1 is located inside the inner wall of the buffer tube 4. As shown in fig. 1 and 2, when both the air inlet 2 and the end face of the buffer cartridge 4 are square, the side length of the air inlet 2 is smaller than the inner side length of the buffer cartridge 4, so that the air flow can enter into the buffer cartridge 4 quickly. When both the air inlet 2 and the end face of the cache cylinder 4 are circular, the diameter of the air inlet 2 is smaller than the inner diameter of the cache cylinder 4.
As a further improvement of the utility model, the end face of the buffer tube 4 is square, round or regular polygon, and the buffer tube 4 and the separation sleeve 5 are coaxially arranged with the box body 1. As shown in fig. 1 and 2, the whole structure is symmetrical, and the disassembly and assembly are simpler and more convenient.
As a further improvement of the present utility model, the muffler further includes a quick connector 9, one end of the quick connector 9 is connected to the air inlet 2 of the housing 1, and the other end extends to the outside of the housing 1. As shown in fig. 1, the quick connector 9 is installed at the air inlet 2 of the box body 1, and the connection between the diffusing valve and the air inlet 2 of the box body 1 can be quickly realized by utilizing the quick connector, so that the air inlet box is more convenient and quick, and is time-saving and labor-saving.
As a further improvement of the utility model, the quick connector 9 is detachably connected with the box body 1. When not in use, the quick connector 9 is detached and placed independently, and when in use, the quick connector 9 is connected with the box body 1, so that the quick connector 9 can be prevented from being knocked and damaged. The quick connector 9 is preferably in threaded connection with the box body 1, so that the quick connector is firm and reliable in connection, convenient and quick to assemble and disassemble, and time-saving and labor-saving. In order to further improve the sealing effect, a sealing sleeve may be provided between the quick connector 9 and the air inlet 2 of the housing 1.
As a further improvement of the present utility model, the case 1 includes a cylinder 1-1, a first end plate 1-2 provided at one end of the cylinder 1-1, and a second end plate 1-3 provided at the other end of the cylinder 1-1, the air inlet 2 is provided on the first end plate 1-2, the air outlet 3 is provided on the second end plate 1-3, and the first end plate 1-2 and the cylinder 1-1, and the second end plate 1-3 and the cylinder 1-1 are all detachably connected. As shown in fig. 1 and 3, when the first sound-absorbing cotton layer 6 needs to be replaced, the first end plate 1-2 is detached from the cylinder 1-1, the buffer cylinder 4 is pulled out, the first sound-absorbing cotton layer 6 can be pulled out, a new first sound-absorbing cotton layer 6 is filled, the buffer cylinder 4 is inserted, and then the first end plate 1-2 and the cylinder 1-1 are locked together. When the second sound-absorbing cotton layer 7 needs to be replaced, the second end plate 1-3 is detached from the cylinder 1-1, the second sound-absorbing cotton layer 7 can be pulled out, and after a new second sound-absorbing cotton layer 7 is filled, the second end plate 1-3 and the cylinder 1-1 are locked together. When the fertilizer discharging port 3 needs to be cleaned, the second end plate 1-3 is directly detached.
As a further improvement of the utility model, a second sound absorbing cotton layer 7 is arranged between the separation sleeve 5 and the first end plate 1-2, and air flow outlets 8 are arranged on the end face and the side wall of the separation sleeve 5, which are close to one end of the first end plate 1-2. As shown in fig. 1, a gap is reserved between the left end face of the separation sleeve 5 and the box body 1, and a second sound-absorbing cotton layer 7 is filled in the gap, and air outflow openings 8 are formed in the left end face of the separation sleeve 5 and on the side wall of the left end, so that the separation sleeve 5 has enough air flow outlets 8 on the premise of meeting the silencing effect, and air flow in the first sound-absorbing cotton layer 6 can timely enter the second sound-absorbing cotton layer 7 through the air flow outlets 8.
As a further improvement of the present utility model, a second sound absorbing cotton layer 7 is provided between the spacer bush 5 and the second end plate 1-3, and a group of discharge ports 3 are provided on the second end plate 1-3, with equal intervals between adjacent discharge ports 3. As shown in fig. 1, a gap is left between the right end face of the separation sleeve 5 and the box body 1, and the gap is filled with the second sound-absorbing cotton layer 7, so that the second end plate 1-3 is fully covered with the discharge openings 3, the box body 1 has enough discharge openings 3 on the premise of meeting the silencing effect, and the air flow in the second sound-absorbing cotton layer 7 can be timely discharged through the discharge openings 3.
When the utility model is particularly used, the air inlet 2 is positioned at the left end of the box body 1, and the discharge outlet 3 is positioned at the right end of the box body 1. As shown in fig. 1, the air flow rapidly enters the buffer storage cylinder 4 through the quick-mounting connector 9 at the air inlet 2, then moves rightwards, is discharged from the outlet end of the buffer storage cylinder 4 to enter the first sound-absorbing cotton layer 6, then moves leftwards, is discharged through the air flow outlet 8 on the separation sleeve 5 to enter the second sound-absorbing cotton layer 7, then moves rightwards, finally is discharged through the discharge port 3, and the air flow moves around in the box body 1, so that the movement track of the air flow in the box body 1 can be prolonged, the contact time of the air flow and the sound-absorbing cotton layer is prolonged, and the sound-absorbing effect is improved.
Claims (8)
1. The utility model provides a sound insulation muffler is inhaled in air current direction around, includes box (1) and sets up the cotton layer of inhaling in box (1), and the entrance point of box (1) is provided with air inlet (2), exit end are provided with discharge port (3), its characterized in that: the silencer further comprises a buffer storage cylinder (4) arranged in the box body (1) and a separation sleeve (5) arranged on the periphery of the buffer storage cylinder (4) in a sealing mode, an inlet end of the buffer storage cylinder (4) is communicated with an air inlet (2) of the box body (1), an outlet end of the buffer storage cylinder (4) is communicated with the inside of the separation sleeve (5), a sound absorbing cotton layer comprises a first sound absorbing cotton layer (6) arranged between the separation sleeve (5) and the outer wall of the buffer storage cylinder (4) and a second sound absorbing cotton layer (7) arranged between the outer wall of the separation sleeve (5) and the inner wall of the box body (1), and an air flow outlet (8) is formed in one end, close to the air inlet of the box body (1), of the separation sleeve (5).
2. The surround air flow-directed sound absorbing muffler of claim 1 wherein: an air inlet (2) of the box body (1) is positioned on the inner side of the inner wall of the cache cylinder (4).
3. The surround air flow-directed sound absorbing muffler of claim 1 wherein: the end face of the buffer cylinder (4) is square, round or regular polygon, and the buffer cylinder (4), the separation sleeve (5) and the box body (1) are coaxially arranged.
4. The surround air flow-directed sound absorbing muffler of claim 1 wherein: the silencer further comprises a quick connector (9), one end of the quick connector (9) is connected with the air inlet (2) of the box body (1), and the other end of the quick connector extends to the outside of the box body (1).
5. The surround air flow-directed sound absorbing muffler of claim 4 wherein: the quick connector (9) is detachably connected with the box body (1).
6. The surround air flow-directed sound absorbing muffler of claim 1 wherein: the box body (1) comprises a barrel body (1-1), a first end plate (1-2) arranged at one end of the barrel body (1-1), and a second end plate (1-3) arranged at the other end of the barrel body (1-1), wherein an air inlet (2) is formed in the first end plate (1-2), an exhaust port (3) is formed in the second end plate (1-3), and the first end plate (1-2) and the barrel body (1-1) are detachably connected with each other, and the second end plate (1-3) and the barrel body (1-1) are detachably connected with each other.
7. The surround air flow-directed sound absorbing muffler of claim 6 wherein: a second sound-absorbing cotton layer (7) is arranged between the separation sleeve (5) and the first end plate (1-2), and an air flow outlet (8) is formed in the end face and the side wall of the separation sleeve (5) close to one end of the first end plate (1-2).
8. The surround air flow-directed sound absorbing muffler of claim 6 wherein: a second sound absorbing cotton layer (7) is arranged between the separation sleeve (5) and the second end plate (1-3), a group of discharge ports (3) are formed in the second end plate (1-3), and the distances between the adjacent discharge ports (3) are equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321401416.5U CN219891887U (en) | 2023-06-03 | 2023-06-03 | Surrounding air flow guiding sound absorbing and insulating silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321401416.5U CN219891887U (en) | 2023-06-03 | 2023-06-03 | Surrounding air flow guiding sound absorbing and insulating silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219891887U true CN219891887U (en) | 2023-10-24 |
Family
ID=88408285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321401416.5U Active CN219891887U (en) | 2023-06-03 | 2023-06-03 | Surrounding air flow guiding sound absorbing and insulating silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219891887U (en) |
-
2023
- 2023-06-03 CN CN202321401416.5U patent/CN219891887U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |