CN210799455U - Centrifugal fan that dust fall was handled can carry out - Google Patents

Centrifugal fan that dust fall was handled can carry out Download PDF

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Publication number
CN210799455U
CN210799455U CN201921846759.6U CN201921846759U CN210799455U CN 210799455 U CN210799455 U CN 210799455U CN 201921846759 U CN201921846759 U CN 201921846759U CN 210799455 U CN210799455 U CN 210799455U
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China
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casing
impeller
centrifugal fan
dust fall
under
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CN201921846759.6U
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Chinese (zh)
Inventor
施德泉
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Nantong Xiehe Fan Technology Co ltd
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Nantong Xiehe Fan Technology Co ltd
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Abstract

The utility model discloses a can carry out centrifugal fan that dust fall was handled, which comprises a supporting table, under the casing and on the casing, settle on the right side top surface of brace table has the motor, and the left side of motor is connected with the bearing, connect in the outside surface of bearing under the casing, settle in the inside under the casing has the impeller, settle the surface of impeller has the blade, and the place ahead of blade is connected with hexagon bolt one, inboard fixed surface has the sound of inhaling cotton around under the casing, the air intake has been seted up in the left side under the casing, settle on the outside surface of air intake has the screw thread, and the outside of screw thread is connected with the shield, settle in the top under the casing on the casing, and the air outlet has been seted up to the top on the casing, the place. Dust in the air is attached to the filter screen through the filter screen, and the effect of air ventilation and dust reduction can be achieved.

Description

Centrifugal fan that dust fall was handled can carry out
Technical Field
The utility model relates to a centrifugal fan technical field specifically is a centrifugal fan that can carry out dust fall and handle.
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. The exhaust pressure is lower than 1.5X 10 Pa. 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 ventilation blower in market use noise is too big, gives people and causes the puzzlement, and the inside not convenient to detach inspection of ventilation blower, impeller and blade in the ventilation blower are mostly integrative, need change whole impeller when the blade damages, increase the replacement cost, and the problem that the wind dust that the ventilation blower blew off is big for this reason, we provide a ventilation blower that the practicality is higher.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can carry out centrifugal fan that dust fall was handled to solve the ventilation blower use noise that proposes among the above-mentioned background art and too big, give people and cause the puzzlement, the inside not convenient to detach inspection of ventilation blower, impeller and blade in the ventilation blower are mostly integrative, need change whole impeller when the blade damages, increase the replacement cost, the big problem of wind dust that the ventilation blower blew off.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a can carry out centrifugal fan that dust fall was handled, includes under brace table, the casing and on the casing, settle on the right side top surface of brace table has the motor, and the left side of motor is connected with the bearing, connect in the outside surface of bearing under the casing, settle in the inside under the casing has the impeller, settle the surface of impeller has the blade, and the place ahead of blade is connected with hexagon bolt one, the inboard fixed surface has the sound of inhaling cotton around under the casing, the air intake has been seted up to the left side under the casing, settle on the outside surface of air intake has the screw thread, and the outside of screw thread is connected with the shield, settle in the top under the casing on the casing, and the top on the casing has seted up the air outlet, the place ahead fixed surface of shield has the filter.
Preferably, the motor forms a rotating structure with the impeller through the bearing, and the blades are uniformly distributed on the outer surface of the impeller.
Preferably, a detachable structure is formed between the blade and the impeller, and the blade and the impeller are in a threaded structure through a first hexagon bolt.
Preferably, inhale the internal surface that sound cotton and casing are lower and on the casing and closely laminate, and inhale and be adhesive bonding between sound cotton and the casing lower and the casing on.
Preferably, the upper surface under the casing is closely attached to the lower surface on the casing, and the lower part of the casing is movably connected with the upper part of the casing.
Preferably, the air inlet and the dust cover form a threaded structure through threads, and the filter screen is of a hollow mesh structure.
Compared with the prior art, the beneficial effects of the utility model are that:
the first hexagon bolt arranged on the centrifugal fan capable of reducing dust can be screwed off when the blades are damaged, the replaced blades can be prevented from forming a whole with the impeller, the impeller is replaced simultaneously when the blades are replaced, the first hexagon bolt is used for fixing the blades on the impeller, the blades can be replaced independently, and replacement cost is reduced;
the noise generated by the ventilator during working can be reduced by the sound absorption cotton, so that inconvenience brought to people due to overlarge noise is avoided, and meanwhile, the lower part of the shell and the upper part of the shell are fixedly connected through the hexagon bolts and are detachable, so that the interior of the ventilator can be inspected and maintained regularly;
the dust in the air can be filtered to the filter screen of shield department, avoids the dust to enter into the ventilation blower inside through the air intake for the dust is gathered on the blade, brings inconvenience for the inside cleanness of ventilation blower, and the dust in the air passes through the filter screen simultaneously and adheres to on the filter screen, can reach the effect of air ventilation dust fall.
Drawings
FIG. 1 is a right side cross-sectional view of the present invention;
FIG. 2 is a schematic view of the structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the lower and upper parts of the casing of the present invention;
fig. 4 is the schematic view of the appearance structure of the dust cover and the filter screen of the present invention.
In the figure: 1. a support table; 2. a motor; 3. a bearing; 4. a casing is arranged below the shell; 5. an impeller; 6. a blade; 7. a first hexagon bolt; 8. sound-absorbing cotton; 9. an air inlet; 10. a thread; 11. a dust cover; 12. on the machine shell; 13. an air outlet; 14. a filter screen; 15. and a second hexagon bolt.
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. 1-4, the present invention provides a technical solution: a centrifugal ventilator capable of dust fall treatment comprises a support table 1, a motor 2, a bearing 3, a lower case 4, an impeller 5, blades 6, a first hexagon bolt 7, sound absorption cotton 8, an air inlet 9, threads 10, a dust cover 11, an upper case 12, an air outlet 13, a filter screen 14 and a second hexagon bolt 15, wherein the motor 2 is arranged on the surface above the right side of the support table 1, the bearing 3 is connected to the left side of the motor 2, the lower case 4 is connected to the outer side surface of the bearing 3, the impeller 5 is arranged inside the lower case 4, the blades 6 are arranged on the outer surface of the impeller 5, the first hexagon bolt 7 is connected to the front of the blades 6, a detachable structure is formed between the blades 6 and the impeller 5, the blades 6 are in a thread structure between the first hexagon bolt 7 and the impeller 5, the first hexagon bolt 7 is arranged, the first hexagon bolt 7 can be screwed off when the blades 6 are damaged, the blades 6 and the impeller 5 are prevented from forming a whole, so that the impeller 5 is replaced simultaneously when the blades 6 are replaced, the blades 6 are fixed on the impeller 5 by the hexagon bolts I7, the blades 6 can be replaced independently, and the replacement cost is reduced;
the front inner side surface and the rear inner side surface of the lower case 4 are fixed with sound absorption cotton 8, the left side of the lower case 4 is provided with an air inlet 9, the outer side surface of the air inlet 9 is provided with a screw thread 10, the outer side of the screw thread 10 is connected with a dustproof cover 11, the upper case 12 is arranged above the lower case 4, the upper side of the upper case 12 is provided with an air outlet 13, the motor 2 forms a rotating structure with the impeller 5 through the bearing 3, the blades 6 are uniformly distributed on the outer surface of the impeller 5, the front surface of the dustproof cover 11 is fixed with a filter screen 14, the air inlet 9 forms a screw thread structure with the dustproof cover 11 through the screw thread 10, the filter screen 14 is a hollow net structure, the filter screen 14 at the position of the dustproof cover 11 can filter dust in the air, the dust is prevented from entering the inside of the ventilator through the air inlet 9, the dust is accumulated on the blades 6, the effect of air ventilation and dust fall can be achieved;
it has hexagon bolt two 15 to settle in the outside about 12 on the casing, inhale the internal surface of sound cotton 8 and casing 4 down and 12 on the casing and closely laminate, and inhale and be adhesive bonding between sound cotton 8 and casing 4 down and the casing 12, the upper surface of casing 4 down closely laminates with the lower surface of casing 12, and be swing joint between casing 4 down and the casing 12, the produced noise accessible of ventilation blower during operation inhales the volume of sound that cotton 8 comes the noise reduction size, avoid bringing inconvenience for people because of the noise is too big, 12 is fixed connection through hexagon bolt two 15 on casing 4 down and the casing simultaneously, and is detachable, be convenient for carry out periodic inspection maintenance to the inside of ventilation blower.
The working principle is as follows: for the ventilator, firstly, the motor 2 on the support table 1 is started, so that the impeller 5 on the left side of the bearing 3 starts to rotate under the driving of the motor 2, meanwhile, the blades 6 also rotate along with the rotation of the impeller 5, when the impeller 5 rotates, the gas between the blades 6 is subjected to centrifugal force to obtain kinetic energy to be discharged from the periphery of the impeller 5, and flows to the air outlet 13 through the guide of the volute casing formed by the casing lower part 4 and the casing upper part 12, so that negative pressure is formed at the central part of the impeller 5, external air flow continuously passes through the filter screen 14 on the dustproof cover 11 to be filtered and then enters the air inlet 9, and enters the casing of the ventilator from the air inlet 9 to flow and supplement, so that the gas can be discharged by the ventilator, sound absorption cotton 8 on the inner side surfaces of the casing lower part 4 and the casing upper part 12 can reduce the volume generated by the ventilator in the working process, when the, can unscrew hexagon bolt two 15, dismantle the top of 4 under 12 follow the casing on the casing, examine the inside of ventilation blower, rotate blade 6 on the impeller 5 with the hand, when discovering blade 6 damaged, can unscrew hexagon bolt 7, take damaged blade 6 off from impeller 5, and change new blade 6, reuse hexagon bolt 7 fixes blade 6 and impeller 5, when the adnexed dust is too much and influence the normal use of ventilation blower on filter screen 14, screw up shield 11 from air intake 9 through screw thread 10, and wash filter screen 14, screw up shield 11 on air intake 9 after filter screen 14 washs again, just so accomplish the use of whole ventilation blower.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A centrifugal fan that can carry out dust fall and handle, includes under supporting bench (1), the casing (4) and on the casing (12), its characterized in that: a motor (2) is arranged on the surface of the upper right side of the supporting table (1), a bearing (3) is connected to the left side of the motor (2), the lower casing (4) is connected to the outer side surface of the bearing (3), an impeller (5) is arranged inside the lower casing (4), blades (6) are arranged on the outer surface of the impeller (5), a hexagon bolt I (7) is connected to the front of each blade (6), sound-absorbing cotton (8) is fixed on the surfaces of the front inner side and the rear inner side of the lower casing (4), an air inlet (9) is formed in the left side of the lower casing (4), threads (10) are arranged on the surface of the outer side of each air inlet (9), a dust cover (11) is connected to the outer side of each thread (10), an upper casing (12) is arranged above the lower casing (4), an air outlet (13) is formed in the upper casing (12), a filter screen (14) is fixed, and the left and right outer sides of the shell (12) are provided with a second hexagon bolt (15).
2. The centrifugal fan capable of dust fall processing according to claim 1, characterized in that: the motor (2) and the impeller (5) form a rotating structure through the bearing (3), and the blades (6) are uniformly distributed on the outer surface of the impeller (5).
3. The centrifugal fan capable of dust fall processing according to claim 1, characterized in that: a detachable structure is formed between the blades (6) and the impeller (5), and the blades (6) are in a threaded structure with the impeller (5) through hexagon bolts I (7).
4. The centrifugal fan capable of dust fall processing according to claim 1, characterized in that: inhale sound cotton (8) and the casing under (4) and the internal surface of casing on (12) closely laminate, just inhale and be adhesive bonding between sound cotton (8) and the casing under (4) and the casing on (12).
5. The centrifugal fan capable of dust fall processing according to claim 1, characterized in that: the upper surface of the lower casing (4) is tightly attached to the lower surface of the upper casing (12), and the lower casing (4) is movably connected with the upper casing (12).
6. The centrifugal fan capable of dust fall processing according to claim 1, characterized in that: the air inlet (9) and the dust cover (11) form a threaded structure through threads (10), and the filter screen (14) is of a hollow net structure.
CN201921846759.6U 2019-10-30 2019-10-30 Centrifugal fan that dust fall was handled can carry out Active CN210799455U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921846759.6U CN210799455U (en) 2019-10-30 2019-10-30 Centrifugal fan that dust fall was handled can carry out

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921846759.6U CN210799455U (en) 2019-10-30 2019-10-30 Centrifugal fan that dust fall was handled can carry out

Publications (1)

Publication Number Publication Date
CN210799455U true CN210799455U (en) 2020-06-19

Family

ID=71240816

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921846759.6U Active CN210799455U (en) 2019-10-30 2019-10-30 Centrifugal fan that dust fall was handled can carry out

Country Status (1)

Country Link
CN (1) CN210799455U (en)

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