CN214221630U

CN214221630U - Dustproof and silent centrifugal fan

Info

Publication number: CN214221630U
Application number: CN202022539495.9U
Authority: CN
Inventors: 童雨
Original assignee: Qingdao Fengrunda Machinery Co ltd
Current assignee: Qingdao Fengrunda Machinery Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-09-17
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a centrifugal fan of dustproof silence relates to centrifugal fan technical field, which comprises a housin, the side fixedly connected with bolt of casing, there is the air-supply line side of casing through bolt fixed mounting, the inner chamber top swing joint of air-supply line has the preliminary treatment baffle. The utility model discloses a preliminary treatment baffle carries out the preliminary treatment to the dust in the air, the dust removal filter screen that deuterogamies adsorbs the dust, fall into the dust collecting tank through its self gravity, mix the collection with the moisture in the dust collecting tank, centrifugal fan has been avoided in the use, the easy graininess pollutant that will mix in the air inhales it in, and the pollutant inhales behind the centrifugal fan, easy adhesion is in centrifugal fan, make the inside dirtying of centrifugal fan, influence centrifugal fan's normal operation, equipment work efficiency has been leaded to and has been descended, use cost increases's problem, thereby reached and promoted work efficiency, reduce cost's effect.

Description

Dustproof and silent centrifugal fan

Technical Field

The utility model relates to a centrifugal fan relates to centrifugal fan technical field, especially relates to a centrifugal fan of dustproof silence.

Background

The centrifugal fan is a machine which increases gas pressure and discharges gas by means of input mechanical energy, is a driven fluid machine, and is widely applied to production operation of various industries along with industrial development.

The following problems exist in the prior art:

1. centrifugal fan is in the use, in it is easy with the granular pollutant suction of mixing in the air, and behind the pollutant suction centrifugal fan, easy adhesion in centrifugal fan for inside becoming dirty of centrifugal fan, influence centrifugal fan's normal operating, lead to equipment work efficiency to descend, the problem that use cost increases.

2. The centrifugal fan is mostly applied to a factory production line, so that the centrifugal fan is often used in batches, the noise value of an air outlet can reach 105 and 115dB when a single centrifugal fan operates, a plurality of superposed noise values can be higher, the high noise value greatly influences the working environment in a factory and the physical and mental health of staff, and the working efficiency of the workers is reduced, and the working environment is poor.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the present invention is to provide a dustproof and silent centrifugal fan, wherein one of the purposes is to provide a dustproof feature, and to solve the problems that the centrifugal fan is easy to suck the granular pollutants mixed in the air into the centrifugal fan during the use process, and the pollutants are easy to adhere to the centrifugal fan after being sucked into the centrifugal fan, so that the inside of the centrifugal fan becomes dirty, the normal operation of the centrifugal fan is affected, the working efficiency of the equipment is reduced, and the use cost is increased; the other purpose is to solve the problem that the centrifugal fans are mostly applied to a factory production line, which causes the centrifugal fans to be frequently used in batches, when a single centrifugal fan operates, the noise value of an air outlet can reach 105-plus-115 dB, a plurality of superposed noise values can be higher, the high noise value greatly affects the physical and mental health of workers to the working environment in a factory, and causes the working efficiency of the workers to be reduced and the working environment to be poor, so as to achieve the effects of improving the quality of the working environment and improving the working efficiency of the workers.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

the utility model provides a centrifugal fan of dustproof silence, includes the casing, the side fixedly connected with bolt of casing, there is the air-supply line side of casing through bolt fixed mounting, the inner chamber top swing joint of air-supply line has the preliminary treatment baffle, the inner chamber swing joint of air-supply line has the dust removal filter screen, the bottom swing joint of dust removal filter screen has the dust collection box, the bottom surface fixed mounting of air-supply line has auto-lock bounce ware, auto-lock bounce ware and dust collection box joint.

The utility model discloses technical scheme's further improvement lies in: the utility model discloses a sound absorption type air conditioner, including casing, outer fixed surface of casing is provided with sound absorption interlayer, sound absorption interlayer's outer wall fixedly connected with shell body, sound absorption interlayer's inside fixedly connected with inner casing.

The utility model discloses technical scheme's further improvement lies in: the right side of casing is provided with the base, the last fixed surface of base is connected with the fixed bolster, the top fixedly connected with motor of fixed bolster, fixedly connected with pivot on the output shaft of motor, the one end of pivot extends to the inside and the fixed mounting of casing and has the impeller, fixed mounting has the blade on the impeller, the side swing joint of casing has the protection casing, one side and the motor fixed connection of protection casing.

The utility model discloses technical scheme's further improvement lies in: the sound-absorbing interlayer is filled with sound-absorbing cotton, and the joint of the sound-absorbing interlayer and the outer shell and the inner shell is filled with high-temperature-resistant materials.

The utility model discloses technical scheme's further improvement lies in: the inner cavity of the air inlet pipe is provided with a groove, the groove is clamped with the dust removal filter screen, and the outer surface of the pretreatment baffle is coated with an adhesive material.

The utility model discloses technical scheme's further improvement lies in: the inside of air-supply line and the inside intercommunication of casing, the inside of going out the tuber pipe and the inside intercommunication of casing, the wiring end and the external power electric connection of fixed bolster.

Owing to adopted above-mentioned technical scheme, the utility model discloses relative prior art, the technological progress who gains is:

1. the utility model provides a centrifugal fan of dustproof silence, adopt the dust removal filter screen, the cooperation of dust collection box and preliminary treatment baffle, carry out the preliminary treatment through the dust of preliminary treatment baffle in to the air, the dust removal filter screen that deuterogamies adsorbs the dust, fall into in the dust collection box through its self gravity, mix the collection with the moisture in the dust collection box, centrifugal fan has been avoided in the use, easily with mixing in it in the graininess pollutant in the air, and the pollutant inhales behind the centrifugal fan, easy adhesion is in centrifugal fan, make the inside dirtying of centrifugal fan, influence centrifugal fan's normal operation, equipment work efficiency has been leaded to descend, use cost increases's problem, thereby reached promotion work efficiency, reduce cost's effect.

2. The utility model provides a centrifugal fan of dustproof silence, adopt out the tuber pipe muffler, the air-supply line muffler with inhale the interbedded cooperation of sound, carry out the amortization to the air-supply line and play tuber pipe through the air-supply line muffler and play tuber pipe muffler, the cooperation is inhaled the separation of sound interbedded to casing internal sound, make centrifugal fan's noise reduce greatly, avoided centrifugal fan to be applied to on the factory production line mostly, this just leads to centrifugal fan to be batch use often, single centrifugal fan is when moving, air exit noise value can reach 105 supple materials 115dB, many superpose noise values still can be higher, so high noise value, to working environment in the factory building, and staff's physical and mental health influences greatly, lead to workman's work efficiency to descend, the problem that the working environment worsens, thereby reached and promoted the working environment quality, improve workman's work efficiency's effect.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side schematic view of the structure of the present invention;

FIG. 3 is a right side schematic view of the structure of the present invention;

fig. 4 is a schematic view of the structure housing of the present invention.

Wherein, 1, a shell; 101. an outer housing; 102. a sound absorbing interlayer; 103. an inner housing; 2. a motor; 3. an air outlet pipe; 4. an air inlet pipe; 5. an air outlet pipe silencer; 6. an air inlet pipe silencer; 7. a base; 8. fixing a bracket; 9. a bolt; 10. an impeller; 11. a rotating shaft; 12. a protective cover; 13. a dust removal filter screen; 14. a dust collection box; 15. a self-locking rebounder; 16. a blade; 17. and (4) pretreating the baffle.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in fig. 1-4, the utility model provides a centrifugal fan of dustproof silence, including casing 1, casing 1's side fixedly connected with bolt 9, there is an air-supply line 4 casing 1's side through bolt 9 fixed mounting, the inner chamber top swing joint of air-supply line 4 has a preliminary treatment baffle 17, the inner chamber swing joint of air-supply line 4 has dust removal filter screen 13, the bottom swing joint of dust removal filter screen 13 has dust collection box 14, the bottom surface fixed mounting of air-supply line 4 has auto-lock bounce ware 15, auto-lock bounce ware 15 and dust collection box 14 joint.

In this embodiment, adopt dust removal filter screen 13, the cooperation of dust collection box 14 and preliminary treatment baffle 17, carry out the preliminary treatment through preliminary treatment baffle 17 to the dust in the air, the dust removal filter screen 13 of deuterogamying adsorbs the dust, fall into in dust collection box 14 through its self gravity, mix with the moisture in dust collection box 14 and collect, centrifugal fan has been avoided in the use, easily with mixing in it in the granular pollutant in the air, and behind the pollutant suction centrifugal fan, easy adhesion is in centrifugal fan, make the inside dirtying of centrifugal fan, influence centrifugal fan's normal operating, equipment work efficiency has been leaded to descend, the problem that use cost increases, thereby reached promotion work efficiency, reduce cost's effect.

As shown in fig. 1-4, in this embodiment, an inner cavity of the air inlet pipe 4 is provided with a groove, the groove is clamped with the dust removal filter screen 13, an adhesive material is coated on an outer surface of the pretreatment baffle 17, and by the design of the pretreatment baffle 17, the direction of the air passing through the pretreatment baffle 17 is changed, the speed is reduced, and the adsorption effect on impurities in the air is improved.

As shown in fig. 1-4, in this embodiment, the front surface of the casing 1 is fixedly connected with the air outlet pipe 3, the outer surface of the air outlet pipe 3 is fixedly connected with the air outlet pipe silencer 5, the outer surface of the air inlet pipe 4 is fixedly connected with the air inlet pipe silencer 6, the interior of the casing 1 is provided with the sound-absorbing interlayer 102, the outer wall of the sound-absorbing interlayer 102 is fixedly connected with the outer casing 101, the interior of the sound-absorbing interlayer 102 is fixedly connected with the inner casing 103, the air outlet pipe silencer 5, the air inlet pipe silencer 6 and the sound-absorbing interlayer 102 are matched, the air inlet pipe 4 and the air outlet pipe 3 are silenced by the air inlet pipe silencer 6 and the air outlet pipe silencer 5, the sound-absorbing interlayer 102 is matched to obstruct sound in the casing 1, so that the noise of the centrifugal fan is greatly reduced, and it is avoided that the centrifugal fan is mostly applied to factory production lines, which results in that the centrifugal fan is often used in batches, and when a single centrifugal fan is in operation, the noise value of the air outlet can reach 105-115dB, the noise value of a plurality of superposed devices can be higher, the high noise value greatly affects the working environment in a factory building and the physical and mental health of staff, the working efficiency of workers is reduced, and the working environment is poor, so that the effects of improving the quality of the working environment and the working efficiency of the workers are achieved.

Example 2

As shown in fig. 1-4, on the basis of embodiment 1, the utility model provides a technical solution: casing 1's right side is provided with base 7, the last fixed surface of base 7 is connected with fixed bolster 8, fixed bolster 8's top fixedly connected with motor 2, fixedly connected with pivot 11 on motor 2's the output shaft, the one end of pivot 11 extends to casing 1's inside and fixed mounting has impeller 10, fixed mounting has blade 16 on the impeller 10, casing 1's side swing joint has protection casing 12, one side and motor 2 fixed connection of protection casing 12, the inside of intake stack 4 and casing 1's inside intercommunication, go out the inside of tuber pipe 3 and casing 1's inside intercommunication, fixed bolster 8's wiring end and external power supply electric connection, design through fixed bolster 8 and protection casing 12, make equipment more convenient, the security also improves greatly.

Example 3

As shown in fig. 1-4, on the basis of embodiment 1, the utility model provides a technical solution: inhale the inside packing of sound interlayer 102 and have inhaled the sound cotton, inhale the junction packing of sound interlayer 102 and shell body 101 and interior casing 103 and have high temperature resistant material, inhale the sound cotton through inhaling the packing in the sound interlayer 102, greatly increased the syllable-dividing effect of equipment, the cooperation is inhaled the high temperature resistant material that sound interlayer 102 and shell body 101 and interior casing 103's junction was filled, and the probability that sound interlayer 102 became invalid appears inhaling because of the high temperature of reduction equipment.

The working principle of the dustproof and silent centrifugal fan is described in detail below.

As shown in fig. 1-4, when using the centrifugal fan to perform work, a user first turns on the motor 2, so that the output shaft of the motor 2 drives the rotating shaft 11 to rotate, then the rotating shaft 11 drives the impeller 10 and the blades 16 to rotate, wind power is generated, and then outside air is sucked through the air inlet pipe 4, the wind speed is slowed down through the function of the pretreatment baffle 17, so that the dust in the air is adsorbed by the dust removal filter screen 13, falls into the dust collection box 14 due to the self weight of the dust collection box, is mixed with the moisture in the dust collection box and is collected, then the filtered air is conveyed to the air outlet pipe 3 through the shell 1 to be discharged, and simultaneously the air outlet pipe silencer 5, the air inlet pipe silencer 6 and the sound absorption interlayer 102 are matched to reduce noise, after the equipment is used, the equipment is closed, the dedusting filter screen 13 and the pretreatment baffle 17 are taken down, then the self-locking rebounder 15 is opened, the dust collection box 14 is taken down, and the cleaning is carried out.

The present invention has been described in detail with reference to the above general description, but it will be apparent to one of ordinary skill in the art that modifications and improvements can be made to the invention. Therefore, modifications or improvements without departing from the spirit of the invention are within the scope of the invention.

Claims

1. The utility model provides a centrifugal fan of dustproof silence, includes casing (1), its characterized in that: the side fixedly connected with bolt (9) of casing (1), the side of casing (1) has air-supply line (4) through bolt (9) fixed mounting, the inner chamber top swing joint of air-supply line (4) has preliminary treatment baffle (17), the inner chamber swing joint of air-supply line (4) has dust removal filter screen (13), the bottom swing joint of dust removal filter screen (13) has dust collection box (14), the bottom surface fixed mounting of air-supply line (4) has auto-lock bounce-back ware (15), auto-lock bounce-back ware (15) and dust collection box (14) joint.

2. The dustproof and silent centrifugal fan as claimed in claim 1, wherein: the utility model discloses a sound-absorbing shell, including casing (1), the front fixed connection of casing (1) goes out tuber pipe (3), the fixed surface who goes out tuber pipe (3) is connected with out tuber pipe muffler (5), the fixed surface of air-supply line (4) is connected with air-supply line muffler (6), the inside of casing (1) is provided with inhales sound intermediate layer (102), inhale outer wall fixedly connected with shell body (101) of sound intermediate layer (102), inhale interior casing (103) of the fixedly connected with of sound intermediate layer (102).

3. The dustproof and silent centrifugal fan as claimed in claim 2, wherein: the right side of casing (1) is provided with base (7), the last fixed surface of base (7) is connected with fixed bolster (8), the top fixedly connected with motor (2) of fixed bolster (8), fixedly connected with pivot (11) on the output shaft of motor (2), the one end of pivot (11) extends to the inside and the fixed mounting of casing (1) and has impeller (10), fixed mounting has blade (16) on impeller (10), the side swing joint of casing (1) has protection casing (12), one side and motor (2) fixed connection of protection casing (12).

4. The dustproof and silent centrifugal fan as claimed in claim 2, wherein: the sound-absorbing interlayer (102) is filled with sound-absorbing cotton, and the joint of the sound-absorbing interlayer (102) and the outer shell (101) and the inner shell (103) is filled with high-temperature-resistant materials.

5. The dustproof and silent centrifugal fan as claimed in claim 1, wherein: the inner cavity of the air inlet pipe (4) is provided with a groove, the groove is clamped with the dust removal filter screen (13), and the outer surface of the pretreatment baffle (17) is coated with an adhesive material.

6. The dustproof and silent centrifugal fan as claimed in claim 3, wherein: the inside of air-supply line (4) and the inside intercommunication of casing (1), the inside of going out tuber pipe (3) and the inside intercommunication of casing (1), the wiring end and the external power supply electric connection of fixed bolster (8).