CN222391646U - Noise reduction type fan box - Google Patents
Noise reduction type fan box Download PDFInfo
- Publication number
- CN222391646U CN222391646U CN202421219315.0U CN202421219315U CN222391646U CN 222391646 U CN222391646 U CN 222391646U CN 202421219315 U CN202421219315 U CN 202421219315U CN 222391646 U CN222391646 U CN 222391646U
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- CN
- China
- Prior art keywords
- box
- soundproof cotton
- noise reduction
- reduction type
- type fan
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000013016 damping Methods 0.000 claims abstract description 39
- 229920000742 Cotton Polymers 0.000 claims abstract description 26
- 239000006260 foam Substances 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 3
- 230000035939 shock Effects 0.000 abstract description 4
- 238000009792 diffusion process Methods 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a fan box, in particular to a noise reduction type fan box. The utility model provides a noise reduction type fan box which comprises an organic box body, and further comprises soundproof cotton I, soundproof cotton II, connecting plates, connecting frames, damping springs I and the like, wherein the soundproof cotton I is connected to the side walls of the left side and the right side of the inside of the organic box body, the soundproof cotton II is connected to the side walls of the left side and the right side of the outside of the organic box body, the connecting plates distributed left and right are arranged at the lower part of the organic box body, the connecting plates slide in the connecting frames, and at least two damping springs I are connected between the connecting plates and the connecting frames. Through setting up soundproof cotton I, connecting plate and 1 damping spring I etc., soundproof cotton I and soundproof cotton II play the sound insulation effect, reduce the diffusion scope of the inside noise of machine box, connecting plate down motion extrusion damping spring I, damping spring I is compressed thereupon and is played the cushioning effect, and then carries out the shock attenuation of vertical direction to the machine box, avoids the too big noise that produces of machine box vibration range.
Description
Technical Field
The utility model relates to a fan box, in particular to a noise reduction type fan box.
Background
The fan case is an air supply and exhaust device, aims to meet different working conditions, has the characteristics of small volume, attractive appearance, convenient maintenance and the like, and is widely used for industrial production, and is used for high-rise building air conditioning engineering systems of air supply and exhaust buildings.
Patent grant bulletin number is CN 214742185U's patent, discloses a fan case, including the base, fixedly be provided with a cavity casing on the base, the inside fan body that is provided with of cavity casing, the one end of the internal input shaft of fan rotationally runs through the inner wall of cavity casing and fixedly provided with first band pulley, cavity casing side rotates and is provided with a transmission shaft, fixedly provided with second band pulley on the transmission shaft, the transmission is connected with a belt between first band pulley and the second band pulley. Although the motor can be conveniently installed and replaced by arranging the connecting device, the motor is still insufficient in actual use, such as noise generated by rapid rotation of the impeller when the fan body runs, and the fan body drives the hollow shell to vibrate, and the hollow shell is fixedly connected with the base, so that the hollow shell drives the base to vibrate, secondary noise is generated between the overlarge vibration amplitude of the base and the ground or the placing table surface, and the noise is larger and easily harmful to the bodies of surrounding residents.
Therefore, there is a particular need for a noise reduction type fan case that solves the problems of the prior art.
Disclosure of utility model
In order to overcome the defects that when the fan body of the prior patent runs, the impeller can rapidly rotate to generate noise, the fan body can drive the hollow shell to vibrate, and the hollow shell is fixedly connected with the base, so that the hollow shell can drive the base to vibrate, the base is contacted with the ground or a placing table surface in a vibrating way to generate secondary noise, and the noise is larger and easily causes harm to the bodies of surrounding residents.
The noise reduction type fan case is realized by the following technical approaches that the noise reduction type fan case comprises a fan case body, and further comprises soundproof cotton I, soundproof cotton II, connecting plates, connecting frames, damping springs I and dampers I, wherein the soundproof cotton I is connected to the side walls of the left side and the right side of the inside of the fan case body, the soundproof cotton II is connected to the side walls of the left side and the right side of the outside of the fan case body, the connecting plates distributed left and right are arranged at the lower part of the fan case body, the connecting plates slide in the connecting frames, at least two damping springs I are connected between the connecting plates and the connecting frames, the front-back distributed dampers I are arranged in the connecting frames, the connecting plates are connected with the dampers I, and the fan case body drives the connecting plates to vibrate, so that the connecting plates squeeze the damping springs I to compress for damping.
Further, the device also comprises a limiting block, and the upper part in the connecting frame is connected with the limiting block.
Further, the method comprises the steps of, the limiting block is contacted with the connecting plate is provided with a soft cushion at one side.
Further, still including connecting block, connecting rod, damping spring II and attenuator II, connecting frame bottom fixedly connected with connecting block, connecting rod that fixedly connected with distributes around on the fixed plate, the connecting block slides between two connecting rods to both ends all overlap about the connecting rod and are equipped with two damping spring II, and damping spring II both ends are connected with connecting block and connecting rod respectively, installs the attenuator II of controlling the distribution on the fixed plate, and the connecting block is connected with attenuator II, drives the connecting block vibrations through the connecting frame, makes connecting block extrusion damping spring II compress and carries out the shock attenuation.
Further, the device also comprises a baffle, and the upper part in the connecting frame is connected with the baffle which is distributed in the front-back direction.
Further, the protective device also comprises a foam cushion, the bottom of the baffle is connected with the foam cushion for protection, and the connecting plate is contacted with the foam cushion.
By adopting the description of the structure, the utility model has the design starting point, concept and advantages that 1, by arranging the soundproof cotton I, the connecting plate, the damping spring I and the like, the soundproof cotton I and the soundproof cotton II play a role in sound insulation, the diffusion range of noise in the machine box body is reduced, the connecting plate moves downwards to squeeze the damping spring I, and the damping spring I is compressed to play a role in damping, so that the machine box body is damped in the vertical direction, and the noise generated by overlarge vibration amplitude of the machine box body is avoided.
2. Through setting up stopper and baffle, stopper and baffle cooperation are spacing to the connecting plate, prevent that the connecting plate from deviating from in the connecting frame.
3. Through setting up connecting block, connecting rod and damping spring II etc., the connecting frame drives the connecting block vibrations, makes its along the connecting rod side-to-side motion, and then extrudees and pulls damping spring II that corresponds, makes a plurality of damping spring II compress respectively and stretches to carry out the shock attenuation of horizontal direction to the machine box, further avoid the machine box vibrations to be out the too big noise that produces of range, guarantee resident's is healthy around.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic perspective sectional structure of the connecting rod, the fixing plate, the damping spring II and other parts of the utility model.
Fig. 3 is a schematic perspective view of the body, septum I and septum II components of the present utility model.
Fig. 4 is a schematic perspective view of the connection frame, baffle and foam-rubber cushion according to the present utility model.
In the figure, the names and serial numbers of the parts are 1, a machine box body, 2, soundproof cotton I,3, a connecting plate, 4, a connecting frame, 5, damping springs I,6, a limiting block, 7, a connecting block, 8, a connecting rod, 9, a fixing plate, 10, damping springs II,11, a damper I,12, a damper II,13, soundproof cotton II,14, a baffle, 15 and a foam cushion.
Detailed Description
The following describes in detail the preferred embodiments of the present utility model with reference to the accompanying drawings.
The embodiment of the invention relates to a noise reduction type fan case, which is shown in the figures 1-4 and comprises a fan case 1, further comprises soundproof cotton I2, soundproof cotton II13, a connecting plate 3, a connecting frame 4, damping springs I5, dampers I11, limiting blocks 6, baffle plates 14 and sponge pads 15, wherein the soundproof cotton I2 is connected to the side walls of the left side and the right side of the inside of the fan case 1, the soundproof cotton II13 is connected to the side walls of the left side and the right side of the outside of the fan case 1, the connecting plate 3 distributed left and right is connected to the lower part of the fan case 1 in a bolt manner, the connecting plate 3 slides in the connecting frame 4, at least two damping springs I5 are connected between the connecting plate 3 and the connecting frame 4, the inside of the connecting frame 4 is connected with dampers I11 distributed front and back in a bolt manner, the upper part of the connecting frame 4 is connected with the limiting blocks 6, one side of the limiting blocks 6, the upper part of the connecting frame 4 is connected with the front and back distributed baffle plates 14, the bottom of the baffle plates 14 is connected with the sponge pads 15 used for protection, the connecting plate 3 is contacted with the sponge pads 15, and the connecting plate 3 drives the connecting plate 3 to compress the connecting plate 5 through bolts through the connecting plate 3 to compress the damping springs I5.
Referring to fig. 1 and 2, still including connecting block 7, connecting rod 8, damping spring II10 and attenuator II12, the connecting frame 4 bottom is connected with connecting block 7 through welded mode, be connected with connecting rod 8 that distributes around through welded mode on the fixed plate 9, connecting block 7 slides between two connecting rods 8, and both ends all overlap about connecting rod 8 and be equipped with two damping spring II10, damping spring II10 both ends are connected with connecting block 7 and connecting rod 8 respectively, be connected with the attenuator II12 of controlling the distribution through the mode of bolt on the fixed plate 9, connecting block 7 is connected with attenuator II12, drive connecting block 7 vibrations through connecting frame 4, make connecting block 7 extrusion damping spring II10 compress and shock attenuation.
When the machine box 1 runs, the soundproof cotton I2 and the soundproof cotton II13 play a role in sound insulation, the diffusion range of noise inside the machine box 1 is reduced, when the machine box 1 drives the connecting plate 3 to vibrate, the limiting block 6 and the baffle 14 cooperate to limit the connecting plate 3, the connecting plate 3 moves downwards to extrude the damping spring I5, the damping spring I5 is compressed to play a role in damping, further, the machine box 1 is subjected to vibration reduction in the vertical direction, noise is generated when the vibration amplitude of the machine box 1 is avoided, when the connecting plate 3 moves downwards, the damper I11 increases friction between the connecting plate 3 and the connecting frame 4, the connecting plate 3 can slowly move, meanwhile, the connecting frame 4 is influenced by the connecting plate 3 to vibrate, the connecting frame 4 drives the connecting block 7 to vibrate, the connecting block moves leftwards and rightwards along the connecting rod 8, the corresponding damping springs II10 are extruded and pulled, the damping springs II10 are respectively compressed and stretched, accordingly, the machine box 1 is further prevented from vibrating in the horizontal direction, the noise is further generated when the vibration amplitude of the machine box 1 is excessively, surrounding health is ensured, and when the damper II12 moves leftwards and rightwards, the friction between the connecting block 9 and the connecting block 7 is increased, and the connecting block 7 can move.
While the application has been described in detail and with reference to specific examples thereof, the principles and embodiments of the application are described herein, and the above examples are provided to assist in understanding the method and core concepts of the application, and further, to those skilled in the art, in light of the teachings of the application, the application should not be construed as limited in scope to the specific embodiments and applications described herein.
Claims (6)
1. The utility model provides a noise reduction type fan case, including organic box (1), a serial communication port, still including soundproof cotton I (2), soundproof cotton II (13), connecting plate (3), connecting box (4), damping spring I (5) and attenuator I (11), be connected with soundproof cotton I (2) on the lateral wall of the inside left and right sides of box (1), be connected with soundproof cotton II (13) on the lateral wall of the outside left and right sides of box (1), connecting plate (3) of distribution are installed to box (1) lower part, connecting plate (3) are slided in connecting box (4) inside, and be connected with two at least damping spring I (5) between connecting plate (3) and connecting box (4), connecting plate (3) are connected with attenuator I (11) that distributes around connecting box (4) internally mounted has.
2. The noise reduction type fan case according to claim 1, further comprising a limiting block (6), wherein the limiting block (6) is connected to the inner upper portion of the connecting frame (4).
3. A noise reduction type fan case according to claim 2, wherein a cushion is provided on a side of the stopper (6) contacting the connection plate (3).
4. The noise reduction type fan case according to claim 3, further comprising a connecting block (7), a connecting rod (8), damping springs II (10) and dampers II (12), wherein the connecting block (7) is fixedly connected to the bottom of the connecting frame (4), the connecting rods (8) distributed around are fixedly connected to the fixing plate (9), the connecting block (7) slides between the two connecting rods (8), the two damping springs II (10) are sleeved at the left end and the right end of the connecting rod (8), the dampers II (12) distributed left and right are installed on the fixing plate (9), and the connecting block (7) is connected with the dampers II (12).
5. The noise reduction type fan case according to claim 4, further comprising a baffle (14), wherein the baffle (14) is connected to the upper portion of the connecting frame (4) in a front-rear arrangement.
6. The noise reduction type fan case according to claim 5, further comprising a foam pad (15), wherein the foam pad (15) for protection is connected to the bottom of the baffle (14), and the connection plate (3) is in contact with the foam pad (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421219315.0U CN222391646U (en) | 2024-05-31 | 2024-05-31 | Noise reduction type fan box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421219315.0U CN222391646U (en) | 2024-05-31 | 2024-05-31 | Noise reduction type fan box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222391646U true CN222391646U (en) | 2025-01-24 |
Family
ID=94296161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421219315.0U Active CN222391646U (en) | 2024-05-31 | 2024-05-31 | Noise reduction type fan box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222391646U (en) |
-
2024
- 2024-05-31 CN CN202421219315.0U patent/CN222391646U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |