CN219262723U

CN219262723U - Centrifugal fan with protective structure

Info

Publication number: CN219262723U
Application number: CN202320483469.XU
Authority: CN
Inventors: 刘青; 翟永银; 那步锦; 孙先成; 杜榕军
Original assignee: Cnsg Anhui Hongsifang Fertilizer Co ltd
Current assignee: Cnsg Anhui Hongsifang Fertilizer Co ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-06-27
Anticipated expiration: 2033-03-14

Abstract

The utility model discloses a centrifugal fan with a protective structure, which belongs to the technical field of chemical safety, and comprises a centrifugal fan, wherein the centrifugal fan is arranged at the top of a bottom frame, the top surface of the centrifugal fan is connected with a protective arc plate, an annular protective frame is arranged on the surface of one side of the centrifugal fan, which is positioned at a suction inlet, the inner wall of the annular protective frame is movably connected with an adjusting arc plate of a protective assembly through a guide rod, the surface of the adjusting arc plate is movably connected with a protective rod, and the bottom of an inner cavity of the centrifugal fan is movably provided with a collecting filter box; according to the utility model, the protection arc plates are connected through the damping columns on the surface of the centrifugal fan, so that the outside of the centrifugal fan can be protected; and through going out the installation annular protection frame in centrifugal fan's sunction inlet position, will adjust the arc board and pass through guide bar and arc locating plate and move on the guide bar, protect the position of sunction inlet, conveniently overhaul, the security performance is high.

Description

Centrifugal fan with protective structure

Technical Field

The utility model relates to the technical field of chemical engineering safety, in particular to a centrifugal fan with a protection structure.

Background

The centrifugal fan is a machine for increasing the pressure of gas and discharging the gas by means of input mechanical energy, and is a driven fluid machine; centrifugal fans are widely used for ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and induced air of boilers and industrial kilns, cooling and ventilation in air conditioning equipment and household appliances, drying and selection of grains, inflation and propulsion of wind tunnel wind sources and air cushion ships, and the like. Especially in the field of chemical engineering safety, centrifugal fans can be used, indoor ventilation is realized through connecting pipelines, and safety and sanitation are guaranteed.

As in the prior art, publication No.: the utility model content of China of CN216554617U discloses a centrifugal fan heat abstractor, including: the centrifugal fan is arranged above the bracket, a connecting shaft is arranged on the centrifugal fan, and a connecting shaft sleeve is sleeved outside the connecting shaft; the matched output shaft and the connecting shaft are in transmission connection through a belt, and the driving motor is arranged on one side of the bracket; the centrifugal fan is characterized in that an outer shell is arranged on the outer side of the driving motor, the driving motor can be protected, meanwhile, under the transmission action of a main gear and a secondary gear, the centrifugal fan can also perform heat dissipation treatment on the outer surface of the driving motor, and the centrifugal fan is simple in overall structural design and flexible to use; one side of the outer shell is provided with a cover plate, the cover plate can be carried on the outer surface of the connecting shaft sleeve to realize the protection treatment of the area between the connecting shaft sleeve and the outer shell, and when the belt is used outside, the belt for transmission cannot be exposed outside, so that the service life of the belt is prolonged.

However, the centrifugal fan does not protect the position of the air inlet of the fan, has poor safety, is easy to suck sundries, is unfavorable for cleaning and needs to be improved, so that the centrifugal fan with the protection structure is needed.

Disclosure of Invention

The utility model aims to provide a centrifugal fan with a protective structure, which can improve the protection of a suction inlet of the centrifugal fan, reduce the suction of sundries into the suction inlet, is convenient to clean and has high safety performance so as to solve the problems in the background technology.

To achieve the above object, the present utility model provides: the utility model provides a centrifugal fan with protective structure, includes centrifugal fan, centrifugal fan installs the top at the chassis, centrifugal fan's top surface is connected with the protection arc board, centrifugal fan one side is located the surface mounting of sunction inlet has annular protection frame, the inner wall of annular protection frame has the regulation arc board of protection component through guide bar swing joint, the surface swing joint of regulation arc board has the guard bar, centrifugal fan's inner chamber bottom activity is provided with collects the filter cartridge, collect the surface mounting that filter cartridge one end is located centrifugal fan has locking assembly's locking baffle.

Preferably, the protection component comprises a limit column connected to the inner surface of the adjusting arc plate and a positioning column connected to the outer surface of the adjusting arc plate; the surface sliding connection of reference column is at the arc locating plate, the tip of guard bar is provided with the spacing dish.

Preferably, the inner wall of the annular protective frame is provided with limiting rods in a distributed manner, and the adjusting arc plates are movably connected to the surface of the guide rod through limiting columns.

Preferably, the surface of the adjusting arc plate is connected to the surface of the limiting rod in a sliding manner.

Preferably, the locking assembly comprises a locking clamping plate fixedly connected to the surface of the centrifugal fan and limiting clamping plates connected to two ends of the locking baffle; the locking baffle is movably clamped on the surface of the locking clamping plate through the limiting clamping plate.

Preferably, one end of the collecting filter box is fixedly connected with a fixing plate, and the surface of the fixing plate is connected with the surface of the locking baffle in a sliding manner.

Preferably, a mounting seat is arranged at one side of the top of the underframe, which is positioned on one side of the centrifugal fan, and a driving motor for driving the centrifugal fan is connected to the top of the mounting seat.

Preferably, the top surface fixedly connected with shock column of centrifugal fan, the bottom of protection arc board is connected at the shock attenuation end of shock column.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the arrangement of the structures such as the protection arc plate, the protection assembly and the like, the protection arc plate is connected through the damping column on the surface of the centrifugal fan, so that the outside of the centrifugal fan can be protected; the annular protection frame is arranged at the position of the suction inlet of the centrifugal fan, the adjusting arc plate moves on the guide rod through the guide rod and the arc positioning plate, the position of the suction inlet is protected, the maintenance is convenient, and the safety performance is high;

according to the utility model, through the arrangement of the structures such as the collecting filter box and the locking component, the collecting filter box is arranged at the bottom of the inner cavity of the centrifugal fan through the fixing plate and is inserted on the locking clamping plate through the locking baffle plate, and the locking and fixing are carried out by matching with the limiting clamping plate, so that the locking effect is ensured, and the collecting filter box is convenient for cleaning the inside of the centrifugal fan.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a front view structure of the present utility model;

FIG. 3 is a schematic view of a shock strut according to the present utility model;

FIG. 4 is a schematic view of the structure of the annular protective frame of the present utility model;

FIG. 5 is a schematic view of the structure of the collecting filter box of the present utility model.

In the figure: 1. a chassis; 2. a centrifugal fan; 3. a mounting base; 4. a driving motor; 5. a shock-absorbing column; 6. a protective arc plate; 7. a suction inlet; 8. an annular protective frame; 9. a guide rod; 10. a limit rod; 11. adjusting an arc plate; 12. a limit column; 13. a protective rod; 14. a limiting disc; 15. positioning columns; 16. an arc-shaped positioning plate; 17. locking the clamping plate; 18. a fixing plate; 19. collecting a filter box; 20. locking a baffle; 21. and a limiting clamping plate.

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. 1-5, the present utility model provides: the utility model provides a centrifugal fan with protective structure, including centrifugal fan 2, centrifugal fan 2 installs at the top of chassis 1, centrifugal fan 2's top surface connection has protection arc board 6, centrifugal fan 2 one side is located the surface mounting of sunction inlet 7 and has annular protection frame 8, the inner wall of annular protection frame 8 has the regulation arc board 11 of protection subassembly through guide bar 9 swing joint, the surface swing joint of regulation arc board 11 has protection bar 13, centrifugal fan 2's inner chamber bottom activity is provided with collects filter cartridge 19, collect the surface mounting who filters cartridge 19 one end and be located centrifugal fan 2 has locking baffle 20 of locking subassembly.

It is worth to say that, through the arrangement of structures such as protection arc plate 6 and protection subassembly, can improve the sunction inlet to centrifugal fan and protect, reduce sunction inlet and inhale debris to the clearance is convenient, and the security performance is high. The annular protective frame 8 is configured to mount the guide rod 9 and the stopper rod 10, and to mount the assembled stopper post 12 and the protective rod 13 at the position of the suction port 7.

Specifically, the protection component comprises a limit column 12 connected to the inner surface of the adjusting arc plate 11 and a positioning column 15 connected to the outer surface of the adjusting arc plate 11; wherein, the surface sliding connection of reference column 15 is at arc locating plate 16, and the tip of guard bar 13 is provided with spacing dish 14. The inner wall distribution of annular protection frame 8 is provided with gag lever post 10, adjusts arc board 11 through spacing post 12 swing joint at the surface of guide bar 9. The surface of the adjusting arc plate 11 is connected with the surface of the limiting rod 10 in a sliding way.

Further, adjust the structure that arc board 11 plays spacing to the position of protection, spacing post 12 is to adjusting the effect that arc board 11 removed and playing the direction, and reference column 15 is to arc locating plate 16 complex limit structure, guarantees to adjust the stability of arc board 11, and gag lever post 10 is to adjusting the structure that arc board 11 plays the direction spacing to improve the stability of installation.

The locking assembly comprises a locking clamping plate 17 fixedly connected to the surface of the centrifugal fan 2 and limiting clamping plates 21 connected to the two ends of the locking baffle 20; the locking baffle 20 is movably clamped on the surface of the locking clamping plate 17 through a limiting clamping plate 21. One end of the collecting filter box 19 is fixedly connected with a fixing plate 18, and the surface of the fixing plate 18 is connected with the surface of a locking baffle 20 in a sliding manner. The fixed plate 18 is the structure that plays spacing to collecting the filter cartridge 19, conveniently collects the effect that the filter cartridge 19 installed, is convenient for follow-up dismantlement assembly to collecting the filter cartridge 19, simultaneously, is convenient for follow-up clearance.

The locking clamping plate 17 is a component for limiting the locking baffle 20, so that the locking stability of the locking baffle 20 is improved, the limiting clamping plate 21 is matched with the locking baffle 20 to be locked, and the collecting filter box 19 is used for collecting impurities in the centrifugal fan 2. The collecting filter box 19 is arranged at the bottom of the inner cavity of the centrifugal fan 2 through the fixing plate 18, is inserted on the locking clamping plate 17 through the locking baffle 20, is locked and fixed by matching with the limiting clamping plate 21, ensures the locking effect, and is convenient for collecting the effect of the filter box 19 on cleaning the inside of the centrifugal fan 2.

The top of chassis 1 is located centrifugal fan 2 one side and is settled there is mount pad 3, and the top of mount pad 3 is connected with the driving motor 4 that is used for driving centrifugal fan 2. The top surface fixedly connected with shock column 5 of centrifugal fan 2, the shock attenuation end at shock column 5 is connected to the bottom of protection arc board 6. In addition, chassis 1 is the structure of installing centrifugal fan 2, and mount pad 3 is the structure that plays the supporting role to driving motor 4, and shock-absorbing column 5 is the structure of connecting protection arc board 6, when centrifugal fan 2 received external article collision and collide with, plays the structure of protection.

The protection arc plate 6 is connected through the damping column 5 on the surface of the centrifugal fan 2, so that the outside of the centrifugal fan 2 can be protected; and through going out at centrifugal fan 2's sunction inlet 7 position and installing annular protection frame 8, will adjust arc board 11 through spacing post 12 and reference column 15, cooperation guide bar 9 and arc locating plate 16, move on guide bar 9 and gag lever post 10, adjust the position of protection pole 13, protect sunction inlet 7's position, reduce debris and get into centrifugal fan 2's inside from sunction inlet 7, convenient maintenance, the security performance is high.

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. Centrifugal fan with protective structure, characterized by, include:

centrifugal fan (2), the top at chassis (1) is installed to centrifugal fan (2), the top surface connection of centrifugal fan (2) has protection arc board (6), the surface mounting that centrifugal fan (2) one side is located sunction inlet (7) has annular protection frame (8), the inner wall of annular protection frame (8) has protection component's regulation arc board (11) through guide bar (9) swing joint, the surface swing joint of regulation arc board (11) has protection bar (13), the inner chamber bottom activity of centrifugal fan (2) is provided with and collects filter cartridge (19), it is located locking baffle (20) of locking component to collect the surface mounting that filter cartridge (19) one end is located centrifugal fan (2).

2. The centrifugal fan with a protective structure according to claim 1, wherein: the protective component comprises

Limit column (12) connected to the inner surface of the adjusting arc plate (11), and

the positioning column (15) is connected to the outer surface of the adjusting arc plate (11);

the surface of the positioning column (15) is slidably connected to the arc-shaped positioning plate (16), and a limiting disc (14) is arranged at the end part of the protection rod (13).

3. The centrifugal fan with a protective structure according to claim 2, wherein: the inner wall of the annular protective frame (8) is provided with limiting rods (10) in a distributed manner, and the adjusting arc plates (11) are movably connected to the surface of the guide rods (9) through limiting columns (12).

4. A centrifugal fan with a protective structure according to claim 3, wherein: the surface of the adjusting arc plate (11) is connected to the surface of the limiting rod (10) in a sliding manner.

5. The centrifugal fan with a protective structure according to claim 1, wherein: the locking assembly comprises

A locking clamping plate (17) fixedly connected to the surface of the centrifugal fan (2), and

limiting clamping plates (21) connected to two ends of the locking baffle plate (20);

the locking baffle (20) is movably clamped on the surface of the locking clamping plate (17) through the limiting clamping plate (21).

6. The centrifugal fan with the protective structure according to claim 5, wherein: one end of the collecting filter box (19) is fixedly connected with a fixing plate (18), and the surface of the fixing plate (18) is connected with the surface of a locking baffle plate (20) in a sliding manner.

7. The centrifugal fan with a protective structure according to claim 1, wherein: the top of chassis (1) is located one side of centrifugal fan (2) and is settled there is mount pad (3), the top of mount pad (3) is connected with driving motor (4) that are used for driving centrifugal fan (2).

8. The centrifugal fan with a protective structure according to claim 1, wherein: the top surface fixedly connected with shock-absorbing column (5) of centrifugal fan (2), the bottom of protection arc board (6) is connected at the shock-absorbing end of shock-absorbing column (5).