CN214465005U

CN214465005U - Fan

Info

Publication number: CN214465005U
Application number: CN202023344546.9U
Authority: CN
Inventors: 陈妙友
Original assignee: Taizhou Chiye Electromechanical Co ltd
Current assignee: Taizhou Chiye Electromechanical Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-10-22
Anticipated expiration: 2030-12-31

Abstract

The utility model provides a fan belongs to fan technical field. It has solved the great problem of pipeline fan noise. This fan, including the fan main part, two impellers, a servo motor and fan shell for controlling two impeller work, be equipped with the air intake and the air outlet that are used for the circulation air in the fan main part, the cover is equipped with the section of thick bamboo of making an uproar that falls that is used for reducing the fan internal noise on the fan main part outer end, it falls the subassembly of making an uproar to fall to be provided with between a section of thick bamboo and the fan shell of making an uproar to be used for reducing the noise, all be equipped with the dust screen that is used for preventing the dust entering on air intake and the air outlet, and fall a section of thick bamboo both ends of making an uproar and also all be provided with the dust screen. The utility model has the advantages of simple structure, good anti-vibration effect and good noise reduction effect.

Description

Fan

Technical Field

The utility model belongs to the technical field of the fan, a fan is related to.

Background

The fan is a driven fluid machine which increases the gas pressure and discharges the gas by means of the input mechanical energy, is a short form of Chinese habit for gas compression and gas delivery machines, and generally comprises a ventilator, a blower, a wind driven generator and a pipeline fan.

Along with the continuous aggravation of the competition of the fan manufacturing industry, the co-purchasing integration and capital operation among large fan manufacturing enterprises are increasingly frequent, the excellent fan manufacturing enterprises in China increasingly attach importance to the research on the industry market, and the research shows that the noise requirement on ventilation and air exchange is higher and higher in office buildings, business buildings, hospitals, large theaters and detection laboratories, but the noise reduction effect of the existing pipeline fan is poor, and the service life of the pipeline fan is possibly influenced by the vibration generated when the pipeline fan works.

Disclosure of Invention

The utility model aims at providing a can reduce noise and can antivibration fan to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a fan, includes fan main part, two impellers, is used for controlling servo motor and the fan shell of two impeller work, a serial communication port, fan main part on be equipped with air intake and the air outlet that is used for the circulation air, fan main part outer end on the cover be equipped with the section of thick bamboo of making an uproar that falls that is used for reducing the fan noise, fall and be provided with the subassembly of making an uproar that falls that is used for reducing the noise between a section of thick bamboo of making an uproar and the fan shell, air intake and air outlet on all be equipped with the dust screen that is used for preventing the dust entering, just a section of thick bamboo both ends of making an uproar that fall also all are provided with the dust screen.

In the fan, the dust screens are fixed on the corresponding noise reduction cylinders and the fan shell through fixing bolts.

In the fan, the noise reduction cylinder and the fan shell are both provided with a first groove for mounting the noise reduction assembly, and the noise reduction cylinder is provided with an adjusting bolt capable of adjusting the noise reduction assembly.

In the above fan, the noise reduction assembly is composed of a rubber ring, a pressing plate, a pressing block and a buffer spring, wherein the rubber ring, the pressing plate and the pressing block are sleeved on the fan shell and used for reducing noise, and the buffer spring is arranged between the pressing plate and the rubber ring, and the pressing block is fixedly connected with the pressing plate.

In the above fan, the pressing block is arranged at the bottom of the adjusting bolt, the pressing plate and the rubber ring are provided with two grooves for limiting installation, the number of the pressing plates is 2, the inner surface and the outer surface of each pressing plate are arc surfaces, the outer surface of each pressing plate is attached to the inner wall of the noise reduction barrel, and the inner surface of each pressing plate is matched with the outer wall of the rubber ring for installation.

In the fan, the outer wall of the noise reduction barrel is further provided with a mounting groove for mounting the adjusting bolt, and the mounting groove is provided with a plug which is used for preventing dust from entering and is beneficial to attractiveness.

Compared with the prior art, the fan has the following advantages:

1. this fan simple structure, reasonable in design and simple convenient to use of installation.

2. This fan is provided with a section of thick bamboo of making an uproar to reduce its own mechanical noise, be provided with rubber circle and buffer spring, both reduced mechanical noise, also reduced the internal vibration of fan itself simultaneously.

3. This fan can be adjusted through adjusting bolt according to the operational environment of fan in the pipeline for noise and vibration obtain the reduction of maximize.

Drawings

Fig. 1 is a schematic diagram of a half-section structure of the fan.

FIG. 2 is an enlarged schematic view of a portion of a noise reduction assembly of the present blower.

In the figure, 1, a fan main body; 2. an impeller; 3. a servo motor; 4. a fan housing; 5. an air inlet; 6. an air outlet; 7. a noise reduction cylinder; 8. a noise reduction assembly; 9. a dust screen; 10. fixing the bolt; 11. a first groove; 12. adjusting the bolt; 13. a rubber ring; 14. pressing a plate; 15. briquetting; 16. a buffer spring; 17. a second groove; 18. a plug; 19. and (4) mounting the groove.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, the fan comprises a fan main body 1, two impellers 2, a servo motor 3 and a fan shell 4, wherein the servo motor is used for controlling the two impellers 2 to work, the fan main body 1 is provided with an air inlet 5 and an air outlet 6, the outer end of the fan main body 1 is sleeved with a noise reduction barrel 7 used for reducing noise in the fan, a noise reduction assembly 8 used for reducing the noise is arranged between the noise reduction barrel 7 and the fan shell 4, dust screens 9 used for preventing dust from entering are arranged on the air inlet 5 and the air outlet 6, and the two ends of the noise reduction barrel 7 are also provided with the dust screens 9.

Principle of operation

The cover is equipped with and falls a section of thick bamboo 7 of making an uproar on fan shell 4 for the fan noise reduction of during operation in the pipeline, also can adjust according to pipeline fan operational environment accessible adjusting bolt 12 simultaneously, promote briquetting 15 of its below through adjusting bolt 12 and push down, briquetting 15 promotes clamp plate 14 and compresses tightly rubber circle 13, set up buffer spring 16 between its clamp plate 14 and the rubber circle 13, can realize that the fan slows down the vibration effect at the operating time, reach the effect that reduces sound.

Preferably, the dust screens 9 are fixed to the corresponding noise reducing cylinders 7 and the fan housing 4 by fixing bolts 10.

Preferentially, the noise reduction cylinder 7 and the fan shell 4 are both provided with a first groove 11 for mounting the noise reduction assembly 8, and the noise reduction cylinder 7 is provided with an adjusting bolt 12 capable of adjusting the noise reduction assembly 8.

Preferably, the noise reduction assembly 8 is composed of a rubber ring 13, a pressing plate 14, a pressing block 15 and a buffer spring 16, wherein the rubber ring 13, the pressing plate 14 and the pressing block 15 are sleeved on the fan shell 4 and used for reducing noise, and the buffer spring 16 is arranged between the pressing plate 14 and the rubber ring 13, and the pressing block 15 is fixedly connected with the pressing plate 14.

Preferentially, briquetting 15 sets up in adjusting bolt 12 bottom, and accessible adjusting bolt 12 makes briquetting 15 push down the regulation to clamp plate 14, all offers the recess two 17 that are used for spacing installation on clamp plate 14 and the rubber circle 13, just 14 quantity of clamp plate be 2, the inside and outside surface of clamp plate 14 is the arcwall face, 14 surfaces of clamp plate and the installation of laminating mutually of 7 inner walls of the section of thick bamboo of making an uproar that falls, 14 internal surfaces of clamp plate and 13 outer walls of rubber circle cooperate the installation.

Preferentially, the outer wall of the noise reduction barrel 7 is further provided with a mounting groove 19 for mounting the adjusting bolt 12, and the mounting groove 19 is provided with a plug 18 for preventing dust from entering and contributing to beauty.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a fan, includes fan main part (1), two impeller (2), is used for controlling servo motor (3) and fan shell (4) of two impeller (2) work, its characterized in that, fan main part (1) on be equipped with air intake (5) and air outlet (6) that are used for circulating air, fan main part (1) outer end on the cover be equipped with and be used for reducing a noise reduction section of thick bamboo (7) of fan noise reduction, a noise reduction section of thick bamboo (7) and fan shell (4) between be provided with and be used for reducing noise fall subassembly (8) of making an uproar, air intake (5) and air outlet (6) on all be equipped with dust screen (9) that are used for preventing the dust entering, just a noise reduction section of thick bamboo (7) both ends also all be provided with dust screen (9).

2. The fan according to claim 1, wherein the dust screens (9) are fixed to the corresponding noise reduction cylinders (7) and the fan housing (4) by fixing bolts (10).

3. The fan according to claim 1, wherein the noise reduction cylinder (7) and the fan housing (4) are both provided with a first groove (11) for mounting the noise reduction assembly (8), and the noise reduction cylinder (7) is provided with an adjusting bolt (12) capable of adjusting the noise reduction assembly (8).

4. The fan according to claim 1, wherein the noise reduction assembly (8) comprises a rubber ring (13) sleeved on the fan shell (4) and used for reducing noise, a pressure plate (14), a pressing block (15) and a buffer spring (16) arranged between the pressure plate (14) and the rubber ring (13), and the pressing block (15) is fixedly connected with the pressure plate (14).

5. The fan according to claim 4, wherein the pressing block (15) is arranged at the bottom of the adjusting bolt (12), two grooves (17) for limiting installation are formed in the pressing plate (14) and the rubber ring (13), the number of the pressing plates (14) is 2, the inner surface and the outer surface of each pressing plate (14) are arc-shaped surfaces, the outer surface of each pressing plate (14) is attached to the inner wall of the noise reduction cylinder (7), and the inner surface of each pressing plate (14) is matched with the outer wall of the rubber ring (13) in installation.

6. The fan according to claim 3, wherein the outer wall of the noise reduction cylinder (7) is further provided with an installation groove (19) for installing the adjusting bolt (12), and the installation groove (19) is provided with a plug (18) for preventing dust from entering and contributing to beauty.