CN213478774U - Fan shell with noise reduction function - Google Patents

Fan shell with noise reduction function Download PDF

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Publication number
CN213478774U
CN213478774U CN202021942911.3U CN202021942911U CN213478774U CN 213478774 U CN213478774 U CN 213478774U CN 202021942911 U CN202021942911 U CN 202021942911U CN 213478774 U CN213478774 U CN 213478774U
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China
Prior art keywords
fan
noise reduction
plate
fixing
sliding
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CN202021942911.3U
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Chinese (zh)
Inventor
蒋道光
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Xunqin Industry (Shaanxi) Co.,Ltd.
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Changzhou Jiahe Environmental Protection Technology Co ltd
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Priority to CN202021942911.3U priority Critical patent/CN213478774U/en
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Abstract

The utility model discloses a fan shell with function of making an uproar is fallen, including base, amortization baffle and fan, carry out the during operation at the fan, the fan produces certain vibrations and noise, and the noise can pass through the propagation of air to amortization baffle and roof, and vibrations can be passed to the fixed plate, makes the fixed plate downstream, makes first pivot drive slider extrusion buffer spring motion on the slide bar through the connecting rod, and the fixed plate still drives the fixed plate through inserted bar and coupling spring and carries out the up-and-down motion simultaneously. The utility model can effectively absorb and eliminate the noise generated by the fan under the action of the fine sand in the noise reduction partition board, the sound absorption cotton board, the noise reduction cotton and the top board, thereby reducing the pollution of the noise, and simultaneously, the wave design of the noise reduction cotton increases the absorption of the noise; under the combined action of the sliding rod, the buffer spring and the connecting rod, the generated vibration is eliminated under the impact of the vibration generated during the working of the fan and the external force, so that the shell of the fan is prevented from being damaged, and the service life of the fan is prolonged.

Description

Fan shell with noise reduction function
Technical Field
The utility model relates to a fan technical field specifically is a fan shell with function of making an uproar is fallen.
Background
The fan is a driven fluid machine which increases the gas pressure and discharges gas by means of input mechanical energy, and is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; the wind tunnel wind source and the air cushion boat are inflated and propelled, and the fan accelerates the gas by utilizing an impeller rotating at a high speed according to the principle that kinetic energy is converted into potential energy, and then decelerates and changes the flow direction so as to convert the kinetic energy into the potential energy.
The fan in the existing market makes a noise at work, generates a large sound, and can also make violent vibration to influence the balance of equipment and even influence the service life of the fan.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fan shell with function of making an uproar is fallen to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a fan shell with a noise reduction function comprises a base, a noise reduction partition plate, a sound absorption cotton plate, noise reduction cotton, a top plate, fine sand, a sliding chute, a sliding rod, a sliding block, a first rotating shaft, a buffer spring, a connecting rod, a fixing column, an inserting rod, a fixing block, a connecting spring, a fixing plate, a stabilizing block, a second rotating shaft, a fan and a fan fixing frame, wherein the noise reduction partition plate is fixedly connected to the left end and the right end of the base through fixing bolts, and the noise reduction partition plate is of a hollow structure; a layer of sound-absorbing cotton plate is arranged inside the sound-absorbing partition plate, and a layer of sound-absorbing cotton is arranged on the inner wall of each sound-absorbing partition plate; the left side and the right side of the upper surface of the base are respectively provided with a sliding chute, and the left side and the right side of the inner wall of the sliding chute are fixedly connected through a sliding rod; the surface of the sliding rod is provided with a sliding block, and the inner wall of the sliding block is in sliding connection with the outer surface of the sliding rod; at least three fixed columns with upward openings are uniformly and fixedly connected to the upper surface of the base at equal intervals, inserting rods are arranged on the inner walls of the fixed columns, and the bottom ends of the inserting rods are in sliding connection with the inner bottom ends of the fixed columns through connecting springs; the top of inserted bar passes through the fixed block and is connected with the lower surface fixed of fixed plate, and both ends are fixed with the stabilizing block about the fixed plate.
As a further aspect of the present invention: the upper end of the silencing partition plate is fixedly connected with a top plate through a fixing bolt, the inside of the top plate is of a hollow structure, and fine sand is filled in the hollow structure.
As a further aspect of the present invention: the surface of the silencing cotton is wavy.
As a further aspect of the present invention: one side of the sliding block, which is far away from the center of the base, is fixedly connected with the inner wall of the sliding groove through a buffer spring.
As a further aspect of the present invention: the front surface of the sliding block is rotatably connected with a first rotating shaft, and the surface of the first rotating shaft is movably connected with a connecting rod; the front of connecting rod and the one side of keeping away from first pivot still swing joint have the second pivot, and the second pivot rotates with the firm piece that is equipped with on the fixed plate and is connected.
As a further aspect of the present invention: the upper surface of fixed plate is equipped with the fan, and the lower extreme of fan is fixed mutually with the upper surface of fixed plate through two fan mounts.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model can effectively absorb and eliminate the noise generated by the fan under the action of the noise reduction partition board, the sound absorption cotton board, the noise reduction cotton and the fine sand in the top board, thereby reducing the pollution of the noise, and simultaneously, the wave-shaped design of the noise reduction cotton increases the absorption of the noise; under the combined action of the sliding rod, the buffer spring and the connecting rod, the generated vibration is eliminated under the impact of the vibration generated during the working of the fan and the external force, so that the shell of the fan is prevented from being damaged, and the service life of the fan is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of a fan housing with a noise reduction function.
Fig. 2 is a schematic structural view of a portion a in fig. 1.
Fig. 3 is a schematic structural view of a portion B in fig. 1.
In the figure: 1. the device comprises a base, 2, a silencing partition plate, 3, a sound absorption cotton plate, 4, silencing cotton, 5, a top plate, 6, fine sand, 7, a sliding groove, 8, a sliding rod, 9, a sliding block, 10, a first rotating shaft, 11, a buffer spring, 12, a connecting rod, 13, a fixing column, 14, an inserting rod, 15, a fixing block, 16, a connecting spring, 17, a fixing plate, 18, a stabilizing block, 19, a second rotating shaft, 20, a fan, 21 and a fan fixing frame.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, in an embodiment of the present invention, a fan casing with a noise reduction function includes a base 1, a noise reduction partition plate 2, a noise reduction cotton plate 3, noise reduction cotton 4, a top plate 5, fine sand 6, a chute 7, a slide bar 8, a slider 9, a first rotating shaft 10, a buffer spring 11, a connecting rod 12, a fixing column 13, an inserting rod 14, a fixing block 15, a connecting spring 16, a fixing plate 17, a stabilizing block 18, a second rotating shaft 19, a fan 20, and a fan fixing frame 21, the noise reduction partition plate 2 is fixedly connected to the left end and the right end of the base 1 through a fixing bolt, and the interior of the noise reduction partition plate 2 is a hollow structure; a layer of sound absorption cotton plate 3 is arranged inside the sound absorption partition plate 2, and a layer of sound absorption cotton 4 is arranged on the inner wall of the sound absorption partition plate 2; the left side and the right side of the upper surface of the base 1 are respectively provided with a sliding chute 7, and the left side and the right side of the inner wall of the sliding chute 7 are fixedly connected through a sliding rod 8; the surface of the slide bar 8 is provided with a slide block 9, and the inner wall of the slide block 9 is connected with the outer surface of the slide bar 8 in a sliding way; at least three fixed columns 13 with upward openings are uniformly and fixedly connected to the upper surface of the base 1 at equal intervals, insertion rods 14 are arranged on the inner walls of the fixed columns 13, and the bottom ends of the insertion rods 14 are in sliding connection with the inner bottom ends of the fixed columns 13 through connecting springs 16; the top end of the inserted link 14 is fixedly connected with the lower surface of the fixed plate 17 through the fixed block 15, and the left and right ends of the fixed plate 17 are fixed with the stable blocks 18.
The upper end of the silencing partition plate 2 is also fixedly connected with a top plate 5 through a fixing bolt, the inside of the top plate 5 is of a hollow structure, and fine sand 6 is filled in the hollow structure.
The surface of the silencing cotton 4 is wavy.
One side of the slide block 9, which is far away from the center of the base 1, is fixedly connected with the inner wall of the sliding chute 7 through a buffer spring 11.
The front surface of the sliding block 9 is rotatably connected with a first rotating shaft 10, and the surface of the first rotating shaft 10 is movably connected with a connecting rod 12; the front surface of the connecting rod 12 and the side far away from the first rotating shaft 10 are also movably connected with a second rotating shaft 19, and the second rotating shaft 19 is rotatably connected with a stabilizing block 18 arranged on the fixing plate 17.
The upper surface of fixed plate 17 is equipped with fan 20, and the lower extreme of fan 20 is fixed mutually with the upper surface of fixed plate 17 through two fan mount 21.
When the fan 20 works, the fan 20 generates certain vibration and noise, the noise can be transmitted to the silencing partition plate 2 and the top plate 5 through air, the vibration can be transmitted to the fixing plate 17, the fixing plate 17 moves downwards, the connecting rod 10 enables the first rotating shaft 10 to drive the sliding block 9 to extrude the buffer spring 11 on the sliding rod 8 to move, and meanwhile, the fixing plate 17 further drives the fixing plate 17 to move up and down through the inserted rod 14 and the connecting spring 16. The novel noise reduction partition plate 2, the sound absorption cotton plate 3, the noise reduction cotton 4 and the fine sand 6 in the top plate 5 are used, noise generated by the fan 20 can be effectively absorbed and eliminated, noise pollution is reduced, and meanwhile, noise absorption is increased due to the wavy design of the noise reduction cotton 4; under the matching action of the sliding rod 8, the buffer spring 11 and the connecting rod 12, the vibration generated when the fan 20 works and the impact of external force are eliminated, the fan shell is prevented from being damaged, and the service life of the fan 20 is prolonged.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. A fan shell with a noise reduction function comprises a base (1), a noise reduction partition plate (2), a noise reduction cotton plate (3), noise reduction cotton (4), a top plate (5), fine sand (6), a sliding groove (7), a sliding rod (8), a sliding block (9), a first rotating shaft (10), a buffer spring (11), a connecting rod (12), a fixing column (13), an inserting rod (14), a fixing block (15), a connecting spring (16), a fixing plate (17), a stabilizing block (18), a second rotating shaft (19), a fan (20) and a fan fixing frame (21), and is characterized in that the noise reduction partition plate (2) is fixedly connected to the left end and the right end of the base (1) through fixing bolts, and the noise reduction partition plate (2) is of a hollow structure; a layer of sound absorption cotton plate (3) is arranged inside the sound absorption partition plate (2), and a layer of sound absorption cotton (4) is arranged on the inner wall of the sound absorption partition plate (2); the left side and the right side of the upper surface of the base (1) are respectively provided with a sliding chute (7), and the left side and the right side of the inner wall of the sliding chute (7) are fixedly connected through a sliding rod (8); a sliding block (9) is arranged on the surface of the sliding rod (8), and the inner wall of the sliding block (9) is in sliding connection with the outer surface of the sliding rod (8); at least three fixing columns (13) with upward openings are uniformly and fixedly connected to the upper surface of the base (1) at equal intervals, inserting rods (14) are arranged on the inner walls of the fixing columns (13), and the bottom ends of the inserting rods (14) are in sliding connection with the inner bottom ends of the fixing columns (13) through connecting springs (16); the top end of the inserted bar (14) is fixedly connected with the lower surface of the fixed plate (17) through the fixed block (15), and the left end and the right end of the fixed plate (17) are fixed with the stabilizing blocks (18).
2. The fan housing with the noise reduction function according to claim 1, wherein the upper end of the noise reduction partition plate (2) is further fixedly connected with a top plate (5) through a fixing bolt, the inside of the top plate (5) is of a hollow structure, and the hollow inside is filled with fine sand (6).
3. The fan housing with the noise reduction function according to claim 1, wherein the surface of the noise reduction cotton (4) is wavy.
4. The fan housing with the noise reduction function according to claim 1, wherein one side of the sliding block (9) away from the center of the base (1) is fixedly connected with the inner wall of the sliding groove (7) through a buffer spring (11).
5. The fan housing with the noise reduction function according to claim 1, wherein a first rotating shaft (10) is rotatably connected to the front surface of the sliding block (9), and a connecting rod (12) is movably connected to the surface of the first rotating shaft (10); the front surface of the connecting rod (12) and one side far away from the first rotating shaft (10) are also movably connected with a second rotating shaft (19), and the second rotating shaft (19) is rotatably connected with a stabilizing block (18) arranged on the fixing plate (17).
6. The fan housing with the noise reduction function according to claim 1, wherein the upper surface of the fixing plate (17) is provided with a fan (20), and the lower end of the fan (20) is fixed to the upper surface of the fixing plate (17) through two fan fixing frames (21).
CN202021942911.3U 2020-09-08 2020-09-08 Fan shell with noise reduction function Active CN213478774U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021942911.3U CN213478774U (en) 2020-09-08 2020-09-08 Fan shell with noise reduction function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021942911.3U CN213478774U (en) 2020-09-08 2020-09-08 Fan shell with noise reduction function

Publications (1)

Publication Number Publication Date
CN213478774U true CN213478774U (en) 2021-06-18

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CN202021942911.3U Active CN213478774U (en) 2020-09-08 2020-09-08 Fan shell with noise reduction function

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CN (1) CN213478774U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113551346A (en) * 2021-07-23 2021-10-26 深圳那家科技有限公司 Wall-mounted water ion air purifier
CN114220332A (en) * 2022-02-11 2022-03-22 应急管理部国家自然灾害防治研究院 Earthquake simulation test equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113551346A (en) * 2021-07-23 2021-10-26 深圳那家科技有限公司 Wall-mounted water ion air purifier
CN114220332A (en) * 2022-02-11 2022-03-22 应急管理部国家自然灾害防治研究院 Earthquake simulation test equipment

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Effective date of registration: 20231127

Address after: 710000, Room 809, Zone B, Longteng Semiconductor Industrial Park, Xi'an Economic and Technological Development Zone, Shaanxi Province

Patentee after: Xunqin Industry (Shaanxi) Co.,Ltd.

Address before: 213300 Building 9, 1168 Pingling West Road, Kunlun Street, Liyang City, Changzhou City, Jiangsu Province

Patentee before: Changzhou Jiahe Environmental Protection Technology Co.,Ltd.