CN219262732U

CN219262732U - Fan with noise reduction function

Info

Publication number: CN219262732U
Application number: CN202320102214.4U
Authority: CN
Inventors: 金彩彩; 许云涛; 郑成立
Original assignee: Zhejiang Xierfu Electric Co ltd
Current assignee: Zhejiang Xierfu Electric Co ltd
Priority date: 2023-02-02
Filing date: 2023-02-02
Publication date: 2023-06-27
Anticipated expiration: 2033-02-02

Abstract

The utility model relates to a fan with a noise reduction function, which comprises a mounting plate, wherein two fixing plates are fixedly arranged at the top of the mounting plate, a buffer spring seat is fixedly arranged at the top of the mounting plate, a fixing ring is fixedly arranged at the top of the buffer spring seat, a motor is movably arranged in the fixing ring, two fixing frames are fixedly arranged at the top of the mounting plate, a shell is movably arranged in the fixing frames, an air outlet pipe is fixedly arranged at the top of the shell, a protective cover is fixedly arranged at the left side of the shell, and a first mounting plate is fixedly arranged at the left side of the protective cover. This fan with function of making an uproar falls, makes the fan possess better noise reduction effect through setting up fixed establishment and buffering spring holder and amortization net, simultaneously to having still possessed convenient dismantlement function to be convenient for carry out swift maintenance and change face to noise abatement equipment, current fan mostly all adopts the silencer to fall the noise, and its effect of making an uproar that falls of itself is limited.

Description

Fan with noise reduction function

Technical Field

The utility model relates to the technical field of fans, in particular to a fan with a noise reduction function.

Background

The fan is a driven fluid machine for improving the pressure of gas and discharging the gas by means of input mechanical energy, is a habit of compressing the gas and conveying the gas in China, is commonly referred to as a fan, a blower and a wind driven generator, is widely used for ventilation, dust discharging and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and air induction of boilers and industrial furnaces, cooling and ventilation in air conditioning equipment and household electrical appliances, drying and selecting of grains, inflation and propulsion of wind tunnel wind sources and air cushion ships and the like.

Centrifugal fans utilize impellers (centrifugal force) rotating at high speed to apply work to a gas medium, and through changing the flowing direction and flowing speed of the gas medium, the gas medium is converted into power fluid machinery of potential energy (pressure energy) from kinetic energy, and the centrifugal fans are wide in application fields, such as construction engineering, boilers, chemical industry, petroleum and environmental protection industries, and the like, and have considerable application prospects, but most of the conventional centrifugal fans rely on silencers to carry out silencing when in use, the noise reduction effect of the conventional centrifugal fans is limited, the vibration and wind noise of a driving structure are limited, and the use effect is relatively poor, so that the fan with the noise reduction function is provided to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a fan with the noise reduction function, which is convenient to install and disassemble and has good noise reduction effect.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fan with function of making an uproar falls, includes the mounting panel, the top fixed mounting of mounting panel has two fixed plates, the top fixed mounting of mounting panel has the buffering spring holder, the top fixed mounting of buffering spring holder has the solid fixed ring, the inside movable mounting of solid fixed ring has the motor, the top fixed mounting of mounting panel has two mounts, the inside movable mounting of mount has the casing, the top fixed mounting of casing has the tuber pipe, the left side fixed mounting of casing has the protection casing, the left side fixed mounting of protection casing has first mounting plate, the left side movable mounting of first mounting plate has the second mounting plate, the left side fixed mounting of second mounting plate has the amortization cover, the inside fixed mounting of amortization cover has two sliders, two the opposite face movable mounting of slider has the amortization net, the inside of first mounting plate is provided with fixed establishment;

the fixed establishment is including the spring holder that resets, the inside movable mounting of first mounting disc has the spring holder that resets, the left side movable mounting of spring holder that resets has the swivel ball, the top and the bottom of swivel ball all fixed mounting have the limiting plate, the left side fixed mounting of swivel ball has the bull stick, the left end fixed mounting of bull stick has the swivel button.

Further, the limiting grooves matched with the rotating balls and the two limiting plates are formed in the first mounting plate, and the rotating grooves matched with the rotating rods are formed in the second mounting plate.

Further, the opposite surfaces of the two fixing plates are respectively provided with a sliding groove, and the left side and the right side of the fixing ring are respectively and movably connected to the inner parts of the two sliding grooves.

Further, the opposite surfaces of the two sliding blocks are provided with movable grooves, and the top and the bottom of the silencing net are respectively and movably connected to the inside of the two movable grooves.

Further, ventilation holes are formed in the silencing cover, the first mounting plate, the second mounting plate and the protective cover.

Further, the output shaft of the motor extends to the inside of the shell, and the protective cover is funnel-shaped.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this fan with function of making an uproar is fallen through setting up fixed establishment and buffering spring holder and amortization net and makes the fan possess better noise reduction effect, simultaneously to still having convenient dismantlement function, so carry out swift maintenance and change the face to noise reduction equipment, current fan most all adopts the silencer to make an uproar falls, its effect of making an uproar is limited, resonance noise elimination effect to driving structure is limited, be limited by the high operation of fan simultaneously, produced wind noise effect of making an uproar falls is limited, the result of use is relatively poor, this problem has been effectively solved to the setting of fixed establishment and buffering spring holder and amortization net, through the noise that produces when admitting air to the air inlet and to driving structure's slow vibration, compared with current fan, it is more outstanding in the effect of making an uproar to fall, simultaneously more convenient maintenance and change to noise reduction equipment.

Drawings

FIG. 1 is a perspective view of a structural shield of the present utility model;

FIG. 2 is a front cross-sectional view of the structure of the present utility model;

FIG. 3 is a left side view of the structure of the present utility model;

fig. 4 is an enlarged structural view of the structure a of the present utility model.

In the figure: 1. a mounting plate; 2. a fixing plate; 3. a buffer spring seat; 4. a fixing ring; 5. a motor; 6. a fixing frame; 7. a housing; 8. an air outlet pipe; 9. a protective cover; 10. a first mounting plate; 11. a second mounting plate; 12. a sound deadening hood; 13. a slide block; 14. a sound deadening net; 15. a fixing mechanism; 151. a reset spring seat; 152. a spin ball; 153. a limiting plate; 154. a rotating rod; 155. and rotating the knob.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a fan with noise reduction function in this embodiment includes a mounting plate 1, two fixing plates 2 are fixedly mounted on top of the mounting plate 1, a buffer spring seat 3 is fixedly mounted on top of the mounting plate 1, a fixing ring 4 is fixedly mounted on top of the buffer spring seat 3, a motor 5 is movably mounted inside the fixing ring 4, two fixing frames 6 are fixedly mounted on top of the mounting plate 1, a casing 7 is movably mounted inside the fixing frames 6, an air outlet pipe 8 is fixedly mounted on top of the casing 7, a protective cover 9 is fixedly mounted on left side of the casing 7, a first mounting plate 10 is fixedly mounted on left side of the protective cover 9, a second mounting plate 11 is movably mounted on left side of the first mounting plate 10, a noise reduction cover 12 is fixedly mounted on left side of the second mounting plate 11, two sliding blocks 13 are fixedly mounted inside the noise reduction cover 12, noise reduction nets 14 are movably mounted on opposite surfaces of the two sliding blocks 13, and a fixing mechanism 15 is arranged inside the first mounting plate 10;

the fixed mechanism 15 includes reset spring seat 151, and the inside movable mounting of first mounting plate 10 has reset spring seat 151, and the left side movable mounting of reset spring seat 151 has swivel ball 152, and the top and the bottom of swivel ball 152 are all fixed mounting have limiting plate 153, and the left side fixed mounting of swivel ball 152 has bull stick 154, and the left end fixed mounting of bull stick 154 has swivel button 155.

The mounting plate 1 is arranged to facilitate the mounting and fixing of equipment, the fixing plate 2 can provide limiting and fixing for the fixing ring 4, the motor 5 can provide driving force for the equipment, the fixing frame 6 and the casing 7 can provide supporting and protecting fan blade and other equipment for the casing 7, the air outlet pipe 8 can discharge air pumped in, and meanwhile, the protective cover 9 and the first mounting plate 10 and the second mounting plate 11 can be connected with the fixed silencing cover 12

In practice, the method is carried out according to the following steps:

1) Firstly, starting the motor 5 to start to operate, generating resonance when the motor 5 operates, and buffering the resonance generated by the motor 5 through the arrangement of the buffer spring seat 3, so that resonance noise is reduced;

2) Then the motor 5 operates to make the equipment generate negative pressure suction, the air flow is extracted from the silencing cover 12 and enters the shell 7, and in the process of entering the air flow, the silencing net 14 can eliminate wind noise and further reduce noise;

3) Then, the rotating knob 155 is twisted to drive the rotating rod 154 to rotate, and further drive the rotating ball 152 and the limiting plate 153 to rotate simultaneously, so that the first mounting plate 10 and the second mounting plate 11 can be separated when the rotating ball rotates until the limiting plate 153 is positioned in the limiting groove;

4) Finally, by setting the reset spring seat 151, the reaction force can be utilized to strengthen the limit fixation of the limit plate 153.

To sum up, this fan with function of making an uproar is fallen through setting up fixed establishment 15 and buffering spring holder 3 and amortization net 14 makes the fan possess better noise reduction effect, simultaneously to still having convenient dismantlement function, so that carry out swift maintenance and change face to noise reduction equipment, current fan most adopts the silencer to make an uproar, its effect of making an uproar is limited in the noise reduction of itself, resonance noise to driving structure elimination effect is limited, be limited by the high operation of fan simultaneously, the wind noise that produces is made an uproar effect of making an uproar is limited, the result of use is relatively poor, fixed establishment 15 and buffering spring holder 3 and amortization net 14 are provided with this problem, through the noise that produces when taking an uproar to the air inlet with to driving structure's buffering, can be further reduce fan operation, compared with current fan, more outstanding on noise reduction effect, simultaneously more convenient maintenance and change to noise reduction equipment.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fan with function of making an uproar falls, includes mounting panel (1), its characterized in that: the novel silencer comprises a mounting plate (1), wherein two fixing plates (2) are fixedly arranged at the top of the mounting plate (1), a buffer spring seat (3) is fixedly arranged at the top of the mounting plate (1), a fixing ring (4) is fixedly arranged at the top of the buffer spring seat (3), a motor (5) is movably arranged in the fixing ring (4), two fixing frames (6) are fixedly arranged at the top of the mounting plate (1), a shell (7) is movably arranged in the fixing frames (6), an air outlet pipe (8) is fixedly arranged at the top of the shell (7), a protective cover (9) is fixedly arranged at the left side of the shell (7), a first mounting plate (10) is fixedly arranged at the left side of the protective cover (9), a second mounting plate (11) is movably arranged at the left side of the first mounting plate (10), a silencing cover (12) is fixedly arranged at the left side of the second mounting plate (11), two sliding blocks (13) are fixedly arranged in the silencing cover, silencing nets (14) are movably arranged on opposite surfaces of the two sliding blocks (13), and a first mounting plate (10) is fixedly arranged in the interior of the first mounting plate (15).

The fixed mechanism (15) comprises a reset spring seat (151), the reset spring seat (151) is movably mounted in the first mounting disc (10), a rotary ball (152) is movably mounted on the left side of the reset spring seat (151), limiting plates (153) are fixedly mounted on the top and the bottom of the rotary ball (152), a rotary rod (154) is fixedly mounted on the left side of the rotary ball (152), and a rotary button (155) is fixedly mounted on the left end of the rotary rod (154).

2. The fan with noise reduction function according to claim 1, wherein: the inside of first mounting disc (10) is offered and is had the spacing groove with spin ball (152) and two limiting plates (153) looks adaptation, and the inside of second mounting disc (11) is offered and is had the spin groove with bull stick (154) looks adaptation.

3. The fan with noise reduction function according to claim 1, wherein: the opposite surfaces of the two fixing plates (2) are respectively provided with a sliding groove, and the left side and the right side of the fixing ring (4) are respectively and movably connected to the insides of the two sliding grooves.

4. The fan with noise reduction function according to claim 1, wherein: the opposite surfaces of the two sliding blocks (13) are provided with movable grooves, and the top and the bottom of the silencing net (14) are respectively and movably connected to the inside of the two movable grooves.

5. The fan with noise reduction function according to claim 1, wherein: the silencing cover (12), the first mounting plate (10), the second mounting plate (11) and the protective cover (9) are provided with ventilation holes.

6. The fan with noise reduction function according to claim 1, wherein: the output shaft of the motor (5) extends to the inside of the shell (7), and the protective cover (9) is funnel-shaped.