CN214247756U

CN214247756U - Centrifugal fan with dustproof function

Info

Publication number: CN214247756U
Application number: CN202120272047.9U
Authority: CN
Inventors: 胡云
Original assignee: Hangzhou Ruixiang Environmental Protection Equipment Co ltd
Current assignee: Hangzhou Ruixiang Environmental Protection Equipment Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-09-21
Anticipated expiration: 2031-02-01

Abstract

The utility model belongs to the technical field of the fan, especially, be a centrifugal fan with dustproof function, including centrifugal fan body and dust removal filter screen, the motor is installed to the right side intermediate position of centrifugal fan body, and the left side of motor is provided with the protection casing, the connecting axle is installed in the left side of protection casing, and the left side of connecting axle is provided with the pivot, the fixed plate is installed to the both sides of pivot, and the inside of fixed plate runs through there is fixing bolt to the impeller is installed in the left side of pivot, the dust removal filter screen is installed in the left side position of impeller, and the left side of dust removal filter screen is provided with fixed fixture block, the inside of fixed fixture block is fixed with the connecting block, and the top of connecting block is provided with the spacing groove, the internal connection of spacing groove has the gag lever post, and the spring is installed in the outside of gag lever post. This centrifugal fan with dustproof function, the installation is stable can effectually remove dust, and can dismantle the change to the filter screen, and the practicality is high.

Description

Centrifugal fan with dustproof function

Technical Field

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

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 electrical appliances, drying and sorting of grains, wind tunnel wind sources and inflation and propulsion of air cushion boats, etc., however, the following problems still exist in the prior art fan technology:

1. when the centrifugal fan is used, a large amount of dust and impurities can be generated on the filter screen, and the dust and the impurities can increase the resistance to the rotation of the motor;

2. after the long-term use process, the discharge and delivery efficiency of the centrifugal fan can be reduced without replacing the filter screen, and the maintenance frequency of the fan is increased.

In view of the above problems, innovative design is urgently needed on the basis of the original centrifugal fan with the dustproof function.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a centrifugal fan with dustproof function to propose current centrifugal fan with dustproof function in solving above-mentioned background art, can produce a large amount of dusts and impurity on the filter screen, change the problem that the meeting of filter screen reduces centrifugal fan's discharge efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: a centrifugal fan with a dustproof function comprises a centrifugal fan body and a dust removal filter screen, wherein a motor is arranged in the middle of the right side of the centrifugal fan body, a protective cover is arranged on the left side of the motor, a connecting shaft is arranged on the left side of the protective cover, a rotating shaft is arranged on the left side of the connecting shaft, fixing plates are arranged on two sides of the rotating shaft, fixing bolts penetrate through the fixing plates, and the left side of the rotating shaft is provided with an impeller, the dust removing filter screen is arranged at the left side position of the impeller, and the left side of the dust removing filter screen is provided with a fixed fixture block, the inside of the fixed fixture block is fixed with a connecting block, a limiting groove is arranged above the connecting block, a limiting rod is connected inside the limiting groove, a spring is arranged outside the limiting rod, the bottom left side of centrifugal fan body is provided with the draw-in groove, and the base is installed to the below of centrifugal fan body.

Preferably, a rotating installation structure is formed between the impeller and the rotating shaft through a motor, and the inner diameter of the impeller is the same as the outer diameter of the rotating shaft.

Preferably, the dust removal filter screen is connected with the centrifugal fan body in a clamping manner, and the dust removal filter screen and the centrifugal fan body are arranged in a mutually perpendicular manner.

Preferably, constitute demountable installation structure between connecting block and the fixed fixture block through the gag lever post, and for welding integration setting between connecting block and the centrifugal fan body.

Preferably, the connecting block and the limiting rod form a sliding installation structure through a limiting groove, and the limiting rod and the connecting block are arranged in a mutually perpendicular mode.

Preferably, the base is provided with 2 about the axis symmetry of centrifugal fan body, and for welding integration setting between base and the centrifugal fan body.

Compared with the prior art, the beneficial effects of the utility model are that: the centrifugal fan with the dustproof function is stable in installation, can effectively remove dust, can disassemble and replace the filter screen, and is high in practicability;

1. when the centrifugal fan is used, the motor can drive the rotating shaft to rotate through the connecting shaft when working, the impeller can be driven to rotate by the stress of the rotating shaft, and the dust removal filter screen is arranged on the left side of the impeller to prevent dust and impurities from entering the centrifugal fan body;

2. after using for a long time, the gag lever post is outwards stretched by hand, and the gag lever post can drop from the spacing groove this moment to this can dismantle fixed fixture block, and the dust removal filter screen can not be followed this internal dismantlement of centrifugal fan and changed by the power of fixed fixture block.

Drawings

FIG. 1 is a schematic front view of the present invention;

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

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

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

In the figure: 1. a centrifugal fan body; 2. a motor; 3. a protective cover; 4. a connecting shaft; 5. a rotating shaft; 6. a fixing plate; 7. fixing the bolt; 8. an impeller; 9. a dust removal filter screen; 10. fixing the fixture block; 11. connecting blocks; 12. a limiting groove; 13. a limiting rod; 14. a spring; 15. a card slot; 16. a base.

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 fan with a dustproof function comprises a centrifugal fan body 1, a motor 2, a protective cover 3, a connecting shaft 4, a rotating shaft 5, a fixing plate 6, a fixing bolt 7, an impeller 8, a dust removal filter screen 9, a fixing clamping block 10, a connecting block 11, a limiting groove 12, a limiting rod 13, a spring 14, a clamping groove 15 and a base 16, wherein the motor 2 is installed at the middle position of the right side of the centrifugal fan body 1, the protective cover 3 is arranged at the left side of the motor 2, the connecting shaft 4 is installed at the left side of the protective cover 3, the rotating shaft 5 is arranged at the left side of the connecting shaft 4, the fixing plate 6 is installed at the two sides of the rotating shaft 5, the fixing bolt 7 penetrates through the fixing plate 6, the impeller 8 is installed at the left side of the rotating shaft 5, the dust removal filter screen 9 is installed at the left side of the impeller 8, the fixing clamping block 10 is arranged at the left side of the dust removal filter screen 9, and the connecting block 11 is fixed inside the fixing clamping block 10, a limiting groove 12 is arranged above the connecting block 11, a limiting rod 13 is connected inside the limiting groove 12, a spring 14 is arranged outside the limiting rod 13, a clamping groove 15 is arranged on the left side of the bottom of the centrifugal fan body 1, and a base 16 is arranged below the centrifugal fan body 1;

furthermore, a rotating installation structure is formed between the impeller 8 and the rotating shaft 5 through the motor 2, and the inner diameter of the impeller 8 is the same as the outer diameter of the rotating shaft 5, when the centrifugal fan body 1 is used, the motor 2 can drive the rotating shaft 5 to rotate when working, the rotating shaft 5 can drive the impeller 8 to rotate when bearing force, and the inner diameter of the impeller 8 is the same as the outer diameter of the rotating shaft 5, so that the rotation is more stable;

furthermore, the dust removing filter screen 9 is connected with the centrifugal fan body 1 in a clamping manner, the dust removing filter screen 9 and the centrifugal fan body 1 are arranged vertically, and the dust removing filter screen 9 is conveniently dismounted and mounted on the centrifugal fan body 1 through the clamping connection;

furthermore, a detachable mounting structure is formed between the connecting block 11 and the fixed fixture block 10 through a limiting rod 13, the connecting block 11 and the centrifugal fan body 1 are integrally welded, when the connecting block 11 and the centrifugal fan body 1 need to be detached, the limiting rod 13 is detached from the connecting block 11, so that the fixed fixture block 10 can fall off, and the connecting block 11 and the centrifugal fan body 1 are integrally welded to enable the device to be more stable;

furthermore, the connecting block 11 and the limiting rod 13 form a sliding installation structure through a limiting groove 12, the limiting rod 13 and the connecting block 11 are arranged vertically, in the dismounting process, the limiting rod 13 is manually stretched outwards, and the limiting rod 13 can fall off from the limiting groove 12 at the moment, so that the fixed fixture block 10 can be dismounted, and the dust removal filter screen 9 can be replaced;

further, base 16 is provided with 2 about the axis symmetry of centrifugal fan body 1, and sets up for welding integration between base 16 and the centrifugal fan body 1, and the axis symmetry sets up base 16 and makes centrifugal fan body 1 can be more stable when using, avoids appearing the condition of rocking.

The working principle is as follows: when the centrifugal fan with the dustproof function is used, firstly, the motor 2 can drive the rotating shaft 5 to rotate through the connecting shaft 4 when working, then the rotating shaft 5 can drive the impeller 8 to rotate under the action of the connecting shaft 4, the inner diameter of the impeller 8 is the same as the outer diameter of the rotating shaft 5, so that the rotation is more stable, meanwhile, the dedusting filter screen 9 arranged on the left side of the impeller 8 can prevent dust and impurities from entering the centrifugal fan body 1, when the dedusting filter screen 9 needs to be replaced, the limiting rod 13 is manually stretched outwards, the limiting rod 13 can fall off from the limiting groove 12, so that the fixed fixture block 10 can be detached, then the dedusting filter screen 9 can be detached and replaced from the centrifugal fan body 1 without the action of the fixed fixture block 10, and the base 16 arranged below the centrifugal fan body 1 can make the centrifugal fan body 1 more stable when in use, the shaking condition is avoided.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a centrifugal fan with dustproof function, includes centrifugal fan body (1) and dust removal filter screen (9), its characterized in that: a motor (2) is installed at the middle position of the right side of the centrifugal fan body (1), a protective cover (3) is arranged on the left side of the motor (2), a connecting shaft (4) is installed on the left side of the protective cover (3), a rotating shaft (5) is arranged on the left side of the connecting shaft (4), fixing plates (6) are installed on two sides of the rotating shaft (5), fixing bolts (7) penetrate through the fixing plates (6), an impeller (8) is installed on the left side of the rotating shaft (5), a dust removal filter screen (9) is installed at the left side position of the impeller (8), a fixing clamping block (10) is arranged on the left side of the dust removal filter screen (9), a connecting block (11) is fixed inside the fixing clamping block (10), a limiting groove (12) is arranged above the connecting block (11), a limiting rod (13) is connected inside the limiting groove (12), and a spring (14) is installed outside the limiting rod (13), a clamping groove (15) is formed in the left side of the bottom of the centrifugal fan body (1), and a base (16) is installed below the centrifugal fan body (1).

2. The centrifugal fan with the dustproof function according to claim 1, characterized in that: a rotary mounting structure is formed between the impeller (8) and the rotating shaft (5) through the motor (2), and the inner diameter of the impeller (8) is the same as the outer diameter of the rotating shaft (5).

3. The centrifugal fan with the dustproof function according to claim 1, characterized in that: the dust removal filter screen (9) is connected with the centrifugal fan body (1) in a clamping mode, and the dust removal filter screen (9) and the centrifugal fan body (1) are arranged in a mutually perpendicular mode.

4. The centrifugal fan with the dustproof function according to claim 1, characterized in that: constitute demountable installation structure through gag lever post (13) between connecting block (11) and fixed fixture block (10), and for welding integration setting between connecting block (11) and centrifugal fan body (1).

5. The centrifugal fan with the dustproof function according to claim 1, characterized in that: connecting block (11) and gag lever post (13) constitute the slidable mounting structure through spacing groove (12), and adopt mutually perpendicular setting between gag lever post (13) and connecting block (11).

6. The centrifugal fan with the dustproof function according to claim 1, characterized in that: the base (16) is symmetrically provided with 2 about the axis of the centrifugal fan body (1), and the base (16) and the centrifugal fan body (1) are integrally welded.