CN213811116U - Ventilation and noise reduction device for blower room - Google Patents
Ventilation and noise reduction device for blower room Download PDFInfo
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- CN213811116U CN213811116U CN202022947790.8U CN202022947790U CN213811116U CN 213811116 U CN213811116 U CN 213811116U CN 202022947790 U CN202022947790 U CN 202022947790U CN 213811116 U CN213811116 U CN 213811116U
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Abstract
The utility model relates to the technical field of noise reduction of machine rooms, which adopts the scheme that a ventilation and noise reduction device for a blower room comprises a ventilation pipe, wherein a fixed convex ring is welded on the left side of the outer pipe wall of the ventilation pipe, a movable spiral cover is screwed on the right side of the outer pipe wall of the ventilation pipe, a first gasket ring and a second gasket ring are respectively sleeved on the left side and the right side of the middle part of the pipe wall of the ventilation pipe, an exhaust fan is arranged on the left side of the inner cavity of the ventilation pipe, a soundproof cotton layer is arranged on the inner wall of the ventilation pipe, a fan expanding mechanism is arranged on the left side of the inner cavity of the soundproof cotton layer, the utility model can cover the gap between the wall and the ventilation pipe through the two groups of gaskets, the fixed convex ring and the movable spiral cover, thereby effectively preventing the noise in the machine room from being spread outwards through the gap, and guiding the noise to be fully contacted with the soundproof cotton layer on the pipe wall through the arranged fan expanding mechanism, and a bowl-shaped radio receiving mechanism is arranged, further strengthen the contact between noise and the radio reception cotton to effectively improve the noise reduction effect of the device.
Description
Technical Field
The utility model relates to a technical field of making an uproar falls in the computer lab specifically is a ventilation noise reduction device for blower room.
Background
The fans are used as a universal mechanical device, the noise intensity and the frequency characteristic generated by fans of different types and models are different, but common parts of fan units radiating noise outwards have a common part.
The roots blower is installed in the computer lab, and the noise that produces when the interior equipment operation of computer lab mainly has: aerodynamic noise radiated by the air inlet and the air outlet, noise radiated by the motor, mechanical noise radiated by the shell, the pipe wall, the motor bearing and the like, and structure-borne sound radiated by basic vibration. The aerodynamic noise radiated by the air inlet and the air outlet of the machine room is the strongest, and the aerodynamic noise is 10-15dB higher than the noise radiated by other parts under the general condition. The wide-band noise generated by the roots blower inevitably affects workers in a factory, nearby residents and the environment.
Be equipped with the ventilation pipe in the business turn over gas port of current computer lab, be equipped with exhaust fan in the ventilation pipe, a small number of ventilation pipes adopt the pipe fitting replacement that has the sound insulation material to use, and it though has certain noise reduction effect, but has the clearance between ventilation pipe and the wall trompil, and noise is outwards propagated through the clearance very easily in the computer lab, leads to noise reduction effect than poor, and current amortization tubular product, only be equipped with sound insulation material at the inside pipe wall, and noise reduction effect is general.
Based on this, this scheme has designed a ventilation and has fallen device of making an uproar for blower room to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a ventilation noise reduction device for air blower room to solve the problem among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a ventilation and noise reduction device for an air blower room comprises a ventilation pipe, wherein a fixed convex ring is welded on the left side of the outer pipe wall of the ventilation pipe, a movable spiral cover is screwed on the right side of the outer pipe wall of the ventilation pipe, and a first gasket and a second gasket are respectively sleeved on the left side and the right side of the middle part of the pipe wall of the ventilation pipe;
the exhaust fan is arranged on the left side of the inner cavity of the ventilation pipe, the soundproof cotton layer is arranged on the inner wall of the ventilation pipe, the air expansion mechanism is arranged on the left side of the inner cavity of the soundproof cotton layer, and the bowl-shaped radio mechanism is arranged on the right side of the air expansion mechanism.
Preferably, expand fan constructs including sharp cap form sheet metal, the cladding has the cotton layer of first radio reception on the outer wall of sharp cap form sheet metal, the side is equipped with the connecting rod about sharp cap form sheet metal, sharp cap form sheet metal passes through connecting rod and ventilation pipe fixed connection.
Preferably, the bowl-shaped radio mechanism comprises a bowl-shaped body, the bowl bottom of the bowl-shaped body is a through hole, and a second radio cotton layer is arranged on the inner bowl surface of the bowl-shaped body.
Preferably, the right side of the pipe wall of the ventilation pipe is provided with an external thread corresponding to the movable screw cap.
Preferably, the first gasket and the second gasket are made of radio cotton.
Preferably, the thickness of the first gasket and the thickness of the second gasket are between 10mm and 20 mm.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a two sets of packing rings, fixed bulge loop and the activity spiral cover that set up can cover the clearance between wall and the ventilation pipe, and then effectively avoid the computer lab internal noise to pass through the gap and outwards propagate, through the fan mechanism that expands that sets up, can guide the noise and fully contact on the soundproof cotton layer of pipe wall, the bowl form radio mechanism of setting further strengthens the contact between noise and the radio cotton to the noise reduction of device has effectively been improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of an embodiment of the present invention;
FIG. 3 is a schematic structural view of the fan expanding mechanism of the present invention;
fig. 4 is a schematic structural view of the bowl-shaped radio mechanism of the present invention.
The reference numbers are as follows:
1-wall, 2-air pipe, 3-fixed convex ring, 4-first washer, 5-external thread, 6-movable screw cap, 7-second washer, 8-bowl-shaped radio mechanism, 9-exhaust fan, 10-soundproof cotton layer, 11-air expanding mechanism, 81-bowl-shaped body, 82-through hole, 83-second radio cotton layer, 111-pointed cap-shaped thin plate, 112-first radio cotton layer and 113-connecting rod.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: a ventilation and noise reduction device for an air blower room comprises a ventilation pipe 2, wherein a fixed convex ring 3 is welded on the left side of the outer pipe wall of the ventilation pipe 2, a movable spiral cover 6 is screwed on the right side of the outer pipe wall of the ventilation pipe 2, and a first gasket 4 and a second gasket 7 are respectively sleeved on the left side and the right side of the middle part of the pipe wall of the ventilation pipe 2;
an exhaust fan 9 is arranged on the left side of the inner cavity of the ventilation pipe 2, a soundproof cotton layer 10 is arranged on the inner wall of the ventilation pipe 2, a fan expanding mechanism 11 is arranged on the left side of the inner cavity of the soundproof cotton layer 10, and a bowl-shaped radio mechanism 8 is arranged on the right side of the fan expanding mechanism 11.
Furthermore, the air diffusing mechanism 11 includes a tip-cap-shaped thin plate 111, the outer wall of the tip-cap-shaped thin plate 111 is covered with a first radio cotton layer 112, the left and right sides of the tip-cap-shaped thin plate 111 are provided with connecting rods 113, and the tip-cap-shaped thin plate 111 is fixedly connected with the ventilation pipe 2 through the connecting rods 113.
Further, the bowl-shaped radio mechanism 8 comprises a bowl-shaped body 81, the bowl bottom of the bowl-shaped body 81 is a through hole 82, and a second radio cotton layer 83 is arranged on the inner bowl surface of the bowl-shaped body 81.
Furthermore, the right side of the pipe wall of the ventilation pipe 2 is provided with an external thread 5 corresponding to the movable screw cap 6.
Furthermore, the first gasket 4 and the second gasket 7 are both made of radio cotton.
Furthermore, the thickness of the first gasket 4 and the thickness of the second gasket 7 are between 10mm and 20 mm.
The working principle is as follows: when the movable spiral cover type air conditioner is used, the first gasket 4 is sleeved on the ventilating pipe 2 and is close to the right wall of the fixed convex ring 3, then the ventilating pipe 2 is installed in a through hole in the machine room wall 1, the right end of the ventilating pipe 2 extends out of the wall 1, the second gasket 7 is sleeved on the ventilating pipe 2 from the right end and moves to be close to the wall 1, the movable spiral cover 6 is installed on an external thread 5 on the pipe wall, the movable spiral cover 6 is rotated to push the second gasket 7 to press the wall 1, the first gasket 4 and the second gasket 7 are close to the wall, a gap between the through hole in the wall and the outer wall of the ventilating pipe 2 is blocked, and therefore noise of the machine room is effectively prevented from being transmitted; during operation, the noise sound wave is impacted to soundproof cotton layer 10 after passing through sharp hat form sheet metal 111, is absorbed by it in a large number, plays high-efficient noise reduction effect, and remaining sound wave is restrainted again in bowl form body 81 position, contacts with second radio reception cotton layer 83, further promotes noise reduction effect.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The further embodiments of the present invention disclosed above are merely intended to help illustrate the present invention. Further embodiments are not exhaustive and do not limit the utility model to the specific embodiments described. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a ventilation noise reduction device for air blower room, includes ventilation pipe (2), its characterized in that: a fixed convex ring (3) is welded on the left side of the outer pipe wall of the ventilation pipe (2), a movable spiral cover (6) is screwed on the right side of the outer pipe wall of the ventilation pipe (2), and a first gasket (4) and a second gasket (7) are respectively sleeved on the left side and the right side of the middle part of the pipe wall of the ventilation pipe (2);
the novel ventilating duct is characterized in that an exhaust fan (9) is arranged on the left side of an inner cavity of the ventilating duct (2), a soundproof cotton layer (10) is arranged on the inner wall of the ventilating duct (2), an air expanding mechanism (11) is arranged on the left side of the inner cavity of the soundproof cotton layer (10), and a bowl-shaped radio mechanism (8) is arranged on the right side of the air expanding mechanism (11).
2. A ventilation and noise reduction device for a blower room as claimed in claim 1, wherein: expand wind mechanism (11) including sharp cap form sheet metal (111), the cladding has first radio reception cotton layer (112) on the outer wall of sharp cap form sheet metal (111), the side is equipped with connecting rod (113) about sharp cap form sheet metal (111), sharp cap form sheet metal (111) pass through connecting rod (113) and ventilation pipe (2) fixed connection.
3. A ventilation and noise reduction device for a blower room as claimed in claim 1, wherein: the bowl-shaped radio mechanism (8) comprises a bowl-shaped body (81), the bowl bottom of the bowl-shaped body (81) is a through hole (82), and a second radio cotton layer (83) is arranged on the inner bowl surface of the bowl-shaped body (81).
4. A ventilation and noise reduction device for a blower room as claimed in claim 1, wherein: and the right side of the pipe wall of the ventilation pipe (2) is provided with an external thread (5) corresponding to the movable screw cap (6).
5. A ventilation and noise reduction device for a blower room as claimed in claim 1, wherein: the first gasket (4) and the second gasket (7) are both made of radio cotton.
6. A ventilation and noise reduction device for a blower room as claimed in claim 1, wherein: the thickness of the first gasket (4) and the thickness of the second gasket (7) are between 10mm and 20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022947790.8U CN213811116U (en) | 2020-12-10 | 2020-12-10 | Ventilation and noise reduction device for blower room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022947790.8U CN213811116U (en) | 2020-12-10 | 2020-12-10 | Ventilation and noise reduction device for blower room |
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| Publication Number | Publication Date |
|---|---|
| CN213811116U true CN213811116U (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022947790.8U Active CN213811116U (en) | 2020-12-10 | 2020-12-10 | Ventilation and noise reduction device for blower room |
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| CN (1) | CN213811116U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4129136A1 (en) * | 2021-08-03 | 2023-02-08 | Vorwerk & Co. Interholding GmbH | Household appliance with a fan and a flow duct |
-
2020
- 2020-12-10 CN CN202022947790.8U patent/CN213811116U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4129136A1 (en) * | 2021-08-03 | 2023-02-08 | Vorwerk & Co. Interholding GmbH | Household appliance with a fan and a flow duct |
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