CN218266448U

CN218266448U - Dustproof centrifugal fan

Info

Publication number: CN218266448U
Application number: CN202222700626.6U
Authority: CN
Inventors: 安兵; 朱玉; 张松
Original assignee: Zibo Hengtong Fan Co ltd
Current assignee: Zibo Hengtong Fan Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-01-10
Anticipated expiration: 2032-10-13

Abstract

The utility model relates to the technical field of centrifugal fans, in particular to a dustproof centrifugal fan, which comprises a bracket, universal wheels, an installation part, a shell, an installation frame, a bolt b, a motor and a bolt a; the support is provided with an installation plate, the shell is connected with the installation plate through a plurality of bolts a, and the support is provided with a support rod; the support is provided with an installation platform, the motor is connected with the installation platform, the inside of the shell is provided with an impeller mechanism, a transmission shaft of the motor penetrates through the shell to be connected with the impeller mechanism, and the shell is provided with an air outlet; the air inlet is formed in the shell, the mounting frame is connected with the shell through a plurality of bolts b, the mounting frame is connected with the mounting portion, the dustproof net is arranged on the mounting portion, a plurality of buckles are arranged on the mounting portion, a plurality of through holes and sliding grooves are formed in the mounting frame, the buckles penetrate through the through holes to be connected with the sliding grooves in a matched mode, and fixing mechanisms used for fixing the buckles are arranged on the sliding grooves. The utility model is provided with the dust screen which is convenient to disassemble at the air inlet; the fan is convenient to move through the universal wheel on the support.

Description

Dustproof centrifugal fan

Technical Field

The utility model relates to a centrifugal fan technical field specifically is dustproof centrifugal fan.

Background

The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in 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 appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion. With the advance of industrialization process in China, the industry is developing energy conservation and consumption reduction greatly, upgrading and integrating recombination are carried out, and industrial basic equipment needs to be updated in large quantity. The centrifugal fan is used as an important industrial matching device and is more applied to the fields of electric power, cement, petrochemical industry, coal, mines, environmental protection and the like. Under new economic development situations, the centrifugal fan industry will continue to keep growing faster in the future.

Rotor high-speed rotation leads to device inner part wearing and tearing among each part that a large amount of return cities may enter into the device among the device in with a large amount of air suction machine among the current centrifugal fan, a large amount of minute dust in the air also can step into the device simultaneously, reduces the life of device.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is to the problem that exists among the background art, provides a dustproof centrifugal fan.

The technical scheme of the utility model: the dustproof centrifugal fan comprises a support, universal wheels, an installation part, a shell, an installation frame, a bolt b, a motor and a bolt a;

the support is provided with an installation plate, the shell is connected with the installation plate through a plurality of bolts a, the support is provided with a support rod, and the support rod is obliquely arranged;

the support is provided with an installation platform, the motor is connected with the installation platform, the inside of the shell is provided with an impeller mechanism, a transmission shaft of the motor penetrates through the shell to be connected with the impeller mechanism, and the shell is provided with an air outlet;

be equipped with the air intake on the casing, impeller mechanism and air intake coaxial distribution, the mounting bracket passes through a plurality of bolts b and is connected with the casing, mounting bracket and air intake coaxial distribution, the mounting bracket is connected to the installation department, be equipped with the dust screen on the installation department, be equipped with a plurality of buckles on the installation department, a plurality of buckles circumference evenly distributed on the installation department, be equipped with a plurality of through-holes and spout on the mounting bracket, the buckle, through-hole and spout one-to-one, the buckle passes the through-hole and is connected with the spout cooperation, all be equipped with the fixed establishment who is used for fixed buckle on the spout.

Preferably, the buckle includes round bar and a and round bar b, and round bar a connects the installation department, and round bar b connects round bar a, and round bar a and round bar b are coaxial to be distributed.

Preferably, the fixing mechanism comprises a fixing part, a spring, a mounting groove a and a lug;

on the mounting bracket was connected to the fixed part, be equipped with on the fixed part with buckle complex mounting groove an and mounting groove b, mounting groove an and round bar an cooperation, mounting groove b and round bar b cooperation, lug sliding connection mounting groove a, the lug is equipped with two, two lug symmetric distributions, the spring is equipped with two, spring coupling lug and mounting groove an are equipped with two archs, two protruding longitudinal symmetry distributions on the mounting groove b.

Preferably, the impeller mechanism comprises blades, a mounting disc and an annular plate;

the blade is connected mounting disc and annular plate, and the blade is equipped with a plurality ofly, and a plurality of blades circumference evenly distributed on the mounting disc, mounting disc and annular plate coaxial distribution.

Preferably, the plurality of vanes are all arc-shaped plates.

Preferably, the support lower extreme is equipped with a plurality of universal wheels, and a plurality of universal wheels evenly distributed on the support.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:

the utility model discloses in, the motor is started, the motor drives impeller mechanism and rotates, inhale the casing with the air from the air intake and blow off from the air outlet again, be provided with the installation department in air intake department, be equipped with the dust screen on the installation department, the dust screen keeps off the dust in the air outside the casing, prevent that the dust from getting into the casing, adhere to on impeller mechanism's blade, influence the life of fan, pass the through-hole with the buckle, rotate the installation department, the buckle slides to fixed establishment department on the spout, round bar an and mounting groove a on the buckle cooperate and be connected, round bar b and mounting groove b cooperate and be connected, round bar a extrudees two lugs, two lugs slide into mounting groove a, round bar a slides to the end of mounting groove a, the spring releases elastic potential energy, two lugs slide out, block round bar a, fix the buckle on fixed establishment, further fix installation department and dust screen on the mounting bracket, the installation department is convenient to install and dismantle; the utility model is provided with the dust screen which is convenient to disassemble at the air inlet; the fan is convenient to move through the universal wheel on the support.

Drawings

Fig. 1 and fig. 2 are perspective views of different viewing angles of an embodiment according to the present invention.

Fig. 3 is a schematic structural view of the interior of the housing of the dustproof centrifugal fan of the present invention.

Fig. 4 is a sectional view of the fixing mechanism in the dustproof centrifugal fan according to the present invention.

Fig. 5 is a schematic structural view of the installation part in the dustproof centrifugal fan according to the present invention.

Fig. 6 is the structural schematic diagram of the impeller mechanism in the dustproof centrifugal fan provided by the utility model.

Reference numerals: 1. a support; 2. a universal wheel; 3. a support bar; 4. a dust screen; 5. an installation part; 6. a housing; 7. a chute; 8. a through hole; 9. a mounting frame; 10. a bolt b; 11. a blade; 12. mounting a disc; 13. an annular plate; 14. buckling; 15. an installation table; 16. a motor; 17. mounting a plate; 18. a bolt a; 19. an air outlet; 20. a fixed part; 21. a spring; 22. a mounting groove a; 23. a bump; 24. and (b) mounting grooves.

Detailed Description

Example one

As shown in fig. 1-6, the dustproof centrifugal fan of the present invention comprises a bracket 1, a universal wheel 2, a mounting portion 5, a housing 6, a mounting bracket 9, a bolt b10, a motor 16 and a bolt a18;

the support 1 is provided with an installation plate 17, the shell 6 is connected with the installation plate 17 through a plurality of bolts a18, the support 1 is provided with a support rod 3, and the support rod 3 is obliquely arranged;

further, a plurality of universal wheels 2 are arranged at the lower end of the support 1, and the universal wheels 2 are uniformly distributed on the support 1;

the support 1 is provided with an installation platform 15, the motor 16 is connected with the installation platform 15, the shell 6 is internally provided with an impeller mechanism, a transmission shaft of the motor 16 penetrates through the shell 6 to be connected with the impeller mechanism, and the shell 6 is provided with an air outlet 19;

the impeller mechanism comprises blades 11, a mounting disc 12 and an annular plate 13; the blades 11 are connected with the mounting disc 12 and the annular plate 13, a plurality of blades 11 are arranged, the plurality of blades 11 are uniformly distributed on the circumference of the mounting disc 12, and the mounting disc 12 and the annular plate 13 are coaxially distributed;

furthermore, the plurality of blades 11 are all arc-shaped plates, and the arc-shaped plates 11 are convenient for the impeller mechanism to rotate so as to scrape air into the shell 6;

be equipped with the air intake on casing 6, impeller mechanism and air intake coaxial distribution, mounting bracket 9 is connected with casing 6 through a plurality of bolt b, mounting bracket 9 and air intake coaxial distribution, mounting bracket 9 is connected to installation department 5, be equipped with dust screen 4 on the installation department 5, be equipped with a plurality of buckles 14 on the installation department 5, a plurality of buckles 14 circumference evenly distributed on installation department 5, be equipped with a plurality of through-holes 8 and spout 7 on mounting bracket 9, buckle 14, through-hole 8 and spout 7 one-to-one, buckle 14 passes through-hole 8 and is connected with spout 7 cooperation, all be equipped with the fixed establishment who is used for fixed buckle 14 on the spout 7.

In the utility model, the motor 16 is started, the motor 16 drives the impeller mechanism to rotate, air is sucked into the shell from the air inlet and then blown out from the air outlet 19, the installation part 5 is arranged at the air inlet, the installation part 5 is provided with the dust screen, the dust screen blocks dust in the air outside the shell 6, the dust is prevented from entering the shell and attaching to the blades 11 of the impeller mechanism, the service life of the fan is influenced, the installation part 5 is matched and connected with the fixing mechanism on the installation rack 9 through the buckle 14, and the installation part 5 is convenient to install and disassemble; the utility model is provided with the dust screen which is convenient to disassemble at the air inlet; the fan is convenient to move through the universal wheel 2 on the bracket 1.

Example two

As shown in fig. 3-5, compared with the first embodiment, the dustproof centrifugal fan of the present invention includes a first fastener 14, a second fastener, and a third fastener, wherein the first fastener is connected to the mounting portion 5, the second fastener is connected to the second fastener, and the first fastener and the second fastener are coaxially disposed;

the fixing mechanism comprises a fixing part 20, a spring 21 and a lug 23;

on mounting bracket 9 is connected to fixed part 20, be equipped with on fixed part 20 with 14 complex mounting grooves a22 of buckle and mounting groove b24, mounting groove a22 and round bar a cooperation, mounting groove b24 and round bar b cooperation, lug 23 sliding connection mounting groove a22, lug 23 is used for blocking round bar a, lug 23 is equipped with two, two lug 23 symmetric distributions, spring 21 is equipped with two, spring 21 connects lug 23 and mounting groove a22, be equipped with two archs on the mounting groove b24, two protruding upper and lower symmetric distributions, two archs are used for blocking round bar b.

In this embodiment, pass buckle 14 through-hole 8, rotate installation department 5, buckle 14 slides to fixed establishment department on spout 7, round bar an and mounting groove a22 cooperation on the buckle 14 are connected, round bar b is connected with mounting groove b24 cooperation, round bar a extrudees two lugs 23, two lugs 23 slide into mounting groove a22 in, round bar a slides to the end of mounting groove a22, spring 21 releases elastic potential energy, two lugs 23 slide out, block round bar a, fix buckle 14 on fixed establishment, further fix installation department 5 and dust screen 4 on mounting bracket 9.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. The dustproof centrifugal fan is characterized by comprising a support (1), a universal wheel (2), an installation part (5), a shell (6), an installation frame (9), a bolt b (10), a motor (16) and a bolt a (18);

the support (1) is provided with an installation plate (17), the shell (6) is connected with the installation plate (17) through a plurality of bolts a (18), the support (1) is provided with a support rod (3), and the support rod (3) is obliquely arranged;

a mounting table (15) is arranged on the support (1), the motor (16) is connected with the mounting table (15), an impeller mechanism is arranged in the shell (6), a transmission shaft of the motor (16) penetrates through the shell (6) to be connected with the impeller mechanism, and an air outlet (19) is arranged on the shell (6);

be equipped with the air intake on casing (6), impeller mechanism and air intake coaxial distribution, mounting bracket (9) are connected with casing (6) through a plurality of bolt b, mounting bracket (9) and air intake coaxial distribution, mounting bracket (9) are connected in installation department (5), be equipped with dust screen (4) on installation department (5), be equipped with a plurality of buckles (14) on installation department (5), circumference evenly distributed is gone up in a plurality of buckles (14) installation department (5), be equipped with a plurality of through-holes (8) and spout (7) on mounting bracket (9), buckle (14), through-hole (8) and spout (7) one-to-one, buckle (14) pass through-hole (8) and are connected with spout (7) cooperation, all be equipped with the fixed establishment who is used for fixed buckle (14) on spout (7).

2. The dustproof centrifugal fan according to claim 1, wherein the fastener (14) comprises a round rod a and a round rod b, the round rod a is connected with the mounting part (5), the round rod b is connected with the round rod a, and the round rod a and the round rod b are coaxially distributed.

3. The dustproof centrifugal fan according to claim 1, wherein the fixing mechanism comprises a fixing part (20), a spring (21), a mounting groove a (22) and a bump (23);

on mounting bracket (9) is connected to fixed part (20), be equipped with on fixed part (20) with buckle (14) complex mounting groove a (22) and mounting groove b (24), mounting groove a (22) and round bar a cooperation, mounting groove b (24) and round bar b cooperation, lug (23) sliding connection mounting groove a (22), lug (23) are equipped with two, two lug (23) symmetric distribution, spring (21) are equipped with two, lug (23) and mounting groove a (22) are connected in spring (21), be equipped with two archs on mounting groove b (24), two protruding longitudinal symmetric distributions.

4. Dust-proof centrifugal fan according to claim 1, wherein the impeller means comprises blades (11), a mounting disc (12) and an annular plate (13);

the blades (11) are connected with the mounting disc (12) and the annular plate (13), the blades (11) are arranged in a plurality, the plurality of blades (11) are uniformly distributed on the circumference of the mounting disc (12), and the mounting disc (12) and the annular plate (13) are coaxially distributed.

5. The dustproof centrifugal fan according to claim 4, wherein the plurality of blades (11) are all arc-shaped plates.

6. The dustproof centrifugal fan according to claim 1, wherein the lower end of the support (1) is provided with a plurality of universal wheels (2), and the universal wheels (2) are uniformly distributed on the support (1).