CN212899032U - Noise control fan - Google Patents
Noise control fan Download PDFInfo
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- CN212899032U CN212899032U CN201922490213.8U CN201922490213U CN212899032U CN 212899032 U CN212899032 U CN 212899032U CN 201922490213 U CN201922490213 U CN 201922490213U CN 212899032 U CN212899032 U CN 212899032U
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- volute
- air outlet
- sound insulation
- insulation box
- sound
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Abstract
The utility model discloses a noise-proof fan, wherein, a sound-proof box is arranged on a base, and the side wall of the sound-proof box is composed of a perforated sound-proof board, sound-absorbing cotton and a galvanized plate; the top of the sound insulation box is provided with an air outlet opening, and one side of the sound insulation box is provided with an air inlet opening; an installation frame is arranged around the air outlet opening at the top of the sound insulation box; the sliding rail is arranged on the base, and the air inlet opening is positioned in the extending direction of the sliding rail; the volute is arranged on the sliding rail in a sliding mode and is fixed on the base through screws; the top of the volute is provided with an air outlet, and the side surface of the volute is provided with an air inlet; the fan blades are rotatably arranged in the volute; the driving device is arranged at the top of the volute; the driving end of the driving device is in transmission connection with the fan blades; the lower end of the ventilation pipe is sleeved outside the air outlet in a sliding manner, the upper end of the ventilation pipe is provided with a mounting frame, and the mounting frame is fixed on the mounting frame through screws so that the air outlet is communicated with the air outlet opening; the position of the ventilation pipe close to the air outlet opening is provided with a honeycomb type silencer. The utility model discloses the noise control is effectual to it is convenient to overhaul.
Description
Technical Field
The utility model belongs to the technical field of ventilation equipment, more specifically say, relate to a noise control fan.
Background
The ventilator is a machine which increases the pressure of gas and discharges the gas by means of input mechanical energy, and is a driven fluid machine. Ventilators are widely used for ventilation, dust removal 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 electrical appliances, drying and sorting of grains, wind tunnel wind sources, inflation and propulsion of air cushion boats, and the like.
The existing ventilator has larger noise when working, which is unfavorable for the health of human body; and the maintenance is comparatively troublesome after the current ventilation blower that has the box outward breaks down.
SUMMERY OF THE UTILITY MODEL
The utility model provides a noise control and overhaul convenient fan for solving the technical problem.
The utility model discloses a realize its technological effect and the solution that adopts does:
a noise-proof fan comprises a base, a sound insulation box, a slide rail, a volute, fan blades, a driving device and a ventilation pipe; the sound insulation box is arranged on the base, and the side wall of the sound insulation box consists of a perforated sound insulation plate, sound absorption cotton and a galvanized plate; the perforated sound-absorbing plate, the sound-absorbing cotton and the galvanized plate are sequentially stacked from inside to outside; the top of the sound insulation box is provided with an air outlet opening, and one side of the sound insulation box is provided with an air inlet opening; an installation frame is arranged around the air outlet opening at the top of the sound insulation box; the sliding rail is arranged on the base, and the air inlet opening is positioned in the extending direction of the sliding rail; the volute is positioned in the sound insulation box, is arranged on the slide rail in a sliding manner, and is fixed on the base through screws; the top of the volute is provided with an air outlet, and the side surface of the volute is provided with an air inlet; the fan blades are rotatably arranged in the volute; the driving device is arranged at the top of the volute; the driving end of the driving device is in transmission connection with the fan blades; the lower end of the ventilation pipe is sleeved outside the air outlet in a sliding manner, the upper end of the ventilation pipe is provided with a mounting frame, and the mounting frame is fixed on the mounting frame through screws so that the air outlet is communicated with the air outlet opening; and a honeycomb type silencer is arranged at the position, close to the air outlet opening, of the ventilation pipe.
Preferably, an elastic pad is arranged in the base.
Preferably, the spiral casing is arranged on the vibration reduction frame, and the vibration reduction frame is arranged on the sliding rail in a sliding manner; and a large damping spring is arranged between the volute and the damping frame.
Preferably, the lower half section of the sliding rail is embedded in the elastic cushion; and a small damping spring is arranged in the sliding rail.
Preferably, a dragging handle is arranged on one side of the volute.
Preferably, the inner pipe wall of the ventilation pipe is provided with spiral stripes.
Preferably, the helical striations have an angle of 15 ° with the centre line of the ventilation tube.
Preferably, a limit baffle is arranged on the slide rail, one side of the volute abuts against one side of the limit baffle, and the air outlet is located right below the air outlet opening.
The utility model has the advantages that: the sound insulation box is composed of a sound insulation plate, sound absorption cotton and a galvanized plate, and can effectively play a role in sound insulation; a honeycomb type silencer is arranged at the air outlet, so that the noise generated during air outlet is reduced as much as possible; the volute casing slides and sets up on the slide rail, conveniently drags out the sound-proof box at any time and overhauls.
Drawings
Fig. 1 is an overall schematic view of a fan disclosed in an embodiment of the present invention;
fig. 2 is an explosion schematic view of a side wall of a soundproof box disclosed in the embodiment of the invention;
fig. 3 is a schematic view of the interior of the slide rail according to the embodiment of the present invention.
And (3) identification and explanation: 1-base, 2-sound insulation box, 21-perforated sound insulation board, 22-sound insulation cotton, 23-galvanized plate, 3-sliding rail, 4-volute, 5-fan blade, 6-driving device, 7-ventilating pipe, 8-mounting frame, 9-mounting frame, 10-honeycomb type silencer, 11-elastic pad, 12-vibration damping frame, 13-large vibration damping spring, 14-small vibration damping spring, 15-dragging handle and 16-limit baffle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When one element is referred to as being "fixedly attached" to another element, it can be fixedly attached by welding, bolting, gluing, or the like.
Referring to fig. 1-3, in a preferred embodiment of the present invention, a noise-proof fan is disclosed, which includes a base 1, a sound-proof box 2, a slide rail 3, a volute 4, fan blades 5, a driving device 6 and a ventilation pipe 7; the sound insulation box 2 is arranged on the base 1, and the side wall of the sound insulation box is composed of a perforated sound insulation plate 21, sound insulation cotton 22 and a galvanized plate 23; the perforated sound-absorbing plate 21, the sound-absorbing cotton 22 and the galvanized plate 23 are sequentially stacked from inside to outside; the top of the sound insulation box 2 is provided with an air outlet opening, and one side of the sound insulation box is provided with an air inlet opening; an installation frame 8 is arranged around an air outlet opening at the top of the sound insulation box 2; the sliding rail 3 is arranged on the base 1, and the air inlet opening is positioned in the extending direction of the sliding rail 3, so that the volute 4 can conveniently go out through the air inlet opening; the volute 4 is positioned in the sound insulation box 2, is arranged on the slide rail 3 in a sliding manner, and is fixed on the base 1 through screws; the top of the volute 4 is provided with an air outlet, and the side surface of the volute is provided with an air inlet; the fan blades 5 are rotatably arranged in the volute 4; the driving device 6 is arranged at the top of the volute 4; the driving end of the driving device 6 is in transmission connection with the fan blade 5; the lower end of the ventilation pipe 7 is sleeved on the outer side of the air outlet in a sliding manner, the upper end of the ventilation pipe is provided with a mounting frame 9, and the mounting frame 9 is fixed on the mounting frame 8 through screws so that the air outlet is communicated with the air outlet opening; and a honeycomb silencer 10 is arranged at the position, close to the air outlet opening, of the ventilating pipe 7.
Specifically, an elastic pad 11 is arranged in the base 1; the anti-noise fan further comprises a vibration reduction frame 12, the volute 4 is arranged on the vibration reduction frame 12, the vibration reduction frame 12 is arranged on the sliding rail 3 in a sliding mode, and a large vibration reduction spring 13 is arranged between the volute 4 and the vibration reduction frame 12; the lower half section of the sliding rail 3 is embedded in the elastic pad 11, and a small damping spring 14 is arranged in the sliding rail 3. The elastic pad 11, the large damping spring 13 and the small damping spring 14 reduce the vibration caused by the fan during operation, and can help the fan to further reduce noise.
Specifically, one side of the volute 4 is provided with a dragging handle 15, so that the volute 4 is dragged to move on the sliding rail 3 after the screws are detached conveniently.
Specifically, the inner pipe wall of the ventilation pipe 7 is provided with a spiral stripe 71, and an included angle between the spiral stripe 71 and the center line of the ventilation pipe 7 is 15 °. The spiral streak 71 can further reduce noise at the time of wind discharge.
Specifically, be provided with limit baffle 16 on the slide rail 3, after having overhauld spiral case 4, when pushing it and leaning on one side at limit baffle 16, the air outlet is located the air-out opening just under, convenient and fast.
As can be seen from the above description, the utility model discloses the noise control is effectual to it is convenient to overhaul.
While the preferred embodiments of the present invention have been illustrated in detail in the accompanying drawings, it should be understood that the scope of the invention includes, but is not limited to, the embodiments described above; the specific structure disclosed in the drawings is only a preferred embodiment of the present invention, and those skilled in the art can also develop other embodiments on this basis, and any simple deformation or equivalent replacement without departing from the innovative concept of the present invention is covered by the present invention, which belongs to the protection scope of the present invention.
Claims (8)
1. The utility model provides a noise control fan which characterized in that includes:
a base;
a sound insulation box; the sound insulation box is arranged on the base, and the side wall of the sound insulation box consists of a perforated sound insulation plate, sound absorption cotton and a galvanized plate; the perforated sound-absorbing plate, the sound-absorbing cotton and the galvanized plate are sequentially stacked from inside to outside; the top of the sound insulation box is provided with an air outlet opening, and one side of the sound insulation box is provided with an air inlet opening; an installation frame is arranged around the air outlet opening at the top of the sound insulation box;
a slide rail; the sliding rail is arranged on the base, and the air inlet opening is positioned in the extending direction of the sliding rail;
a volute; the volute is positioned in the sound insulation box, is arranged on the slide rail in a sliding manner, and is fixed on the base through screws; the top of the volute is provided with an air outlet, and the side surface of the volute is provided with an air inlet;
a fan blade; the fan blades are rotatably arranged in the volute;
a drive device; the driving device is arranged at the top of the volute; the driving end of the driving device is in transmission connection with the fan blades;
a vent pipe; the lower end of the ventilation pipe is sleeved outside the air outlet in a sliding manner, the upper end of the ventilation pipe is provided with a mounting frame, and the mounting frame is fixed on the mounting frame through screws so that the air outlet is communicated with the air outlet opening; and a honeycomb type silencer is arranged at the position, close to the air outlet opening, of the ventilation pipe.
2. The noise control fan of claim 1, wherein: an elastic pad is arranged in the base.
3. The noise control fan of claim 2, wherein: the volute casing is arranged on the vibration reduction frame, and the vibration reduction frame is arranged on the sliding rail in a sliding manner; and a large damping spring is arranged between the volute and the damping frame.
4. The noise control fan of claim 3, wherein: the lower half section of the sliding rail is embedded in the elastic cushion; and a small damping spring is arranged in the sliding rail.
5. The noise control fan of claim 1, wherein: one side of the volute is provided with a dragging handle.
6. The noise control fan of claim 1, wherein: and spiral stripes are arranged on the inner pipe wall of the ventilation pipe.
7. The noise control fan of claim 6, wherein: the included angle between the spiral stripe and the central line of the ventilation pipe is 15 degrees.
8. The noise control fan of claim 1, wherein: the sliding rail is provided with a limiting baffle, one side of the volute abuts against one side of the limiting baffle, and the air outlet is located right below the air outlet opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922490213.8U CN212899032U (en) | 2019-12-30 | 2019-12-30 | Noise control fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922490213.8U CN212899032U (en) | 2019-12-30 | 2019-12-30 | Noise control fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212899032U true CN212899032U (en) | 2021-04-06 |
Family
ID=75227843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922490213.8U Active CN212899032U (en) | 2019-12-30 | 2019-12-30 | Noise control fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212899032U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250991A (en) * | 2021-05-11 | 2021-08-13 | 马东旭 | Energy-saving air blower |
| CN113772012A (en) * | 2021-10-21 | 2021-12-10 | 广船国际有限公司 | Design method of marine vibration and noise reduction structural plate and ship |
-
2019
- 2019-12-30 CN CN201922490213.8U patent/CN212899032U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250991A (en) * | 2021-05-11 | 2021-08-13 | 马东旭 | Energy-saving air blower |
| CN113250991B (en) * | 2021-05-11 | 2022-07-12 | 江苏华飞宇节能技术有限公司 | Energy-saving air blower |
| CN113772012A (en) * | 2021-10-21 | 2021-12-10 | 广船国际有限公司 | Design method of marine vibration and noise reduction structural plate and ship |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An anti-noise fan Effective date of registration: 20220809 Granted publication date: 20210406 Pledgee: Bank of China Limited by Share Ltd. Yunfu branch Pledgor: Guangdong Hengli ventilator Co.,Ltd. Registration number: Y2022980012181 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |