CN215109714U - Dustproof device of volute fan air inlet - Google Patents

Abstract

The utility model relates to the technical field of air conditioning units, and discloses a dustproof device of a volute fan air inlet, which comprises a shell, wherein the left side wall of the shell is provided with a mounting groove, the right end of the shell is provided with a motor, a wheel hub is arranged in the mounting groove, the wheel hub is fixedly connected with a rotating rod of the motor, a plurality of blades are fixedly connected with the outer side of the wheel hub, a plurality of slots are arranged on the inner wall of the mounting groove, a circular ring is arranged in the mounting groove, a plurality of placing grooves are arranged on the outer side of the circular ring, a compression spring is fixedly connected with the inner wall of the placing grooves, the dustproof device of the volute fan air inlet can be mounted by arranging the circular ring, a dustproof net, the placing grooves and the compression spring to match with an insert block and can be inserted into the slots, the whole mounting process is simple and convenient, the labor intensity is reduced, and the working efficiency is improved, and dust in the air can be prevented from entering the next equipment of the air conditioning unit.

Description

Dustproof device of volute fan air inlet

Technical Field

The utility model relates to an air conditioning unit technical field specifically is a dust keeper of spiral case fan air intake.

Background

The air-conditioning fan is a novel, energy-saving, high-efficiency, variable-rotating-speed and low-noise centrifugal fan, has compact structure, convenient installation, small volume, large air quantity, high pressure and small vibration, can be matched with a three-phase voltage regulator or a frequency converter to realize stepless speed regulation, is particularly suitable for ventilation places with strict noise requirement and large air quantity change range, and is an ideal matched product in the industries of air conditioning, purification and the like.

In the prior art, the air inlet of some volute fans does not have a dustproof function, the impeller of the volute fans can directly convey air and dust in the air to the next device of the air conditioning unit, although a filter element in the air conditioning unit has a filtering function, long-time filtering is determined to influence the filtering effect, the filter element needs to be cleaned regularly, and the filter element is detached more complexly during cleaning.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a dust keeper of spiral case fan air intake has solved the problem that the background art provided.

(II) technical scheme

For realize above-mentioned installation of being convenient for, convenient to detach, reduction work efficiency, extension air conditioner filter core life cycle's purpose, the utility model provides a following technical scheme: the utility model provides a dust keeper of spiral case fan air intake, includes the shell, the mounting groove has been seted up to the left side wall of shell, the right-hand member of shell is provided with the motor, be provided with wheel hub in the mounting groove, wheel hub and the bull stick fixed connection of motor, a plurality of blades of wheel hub's the outside fixedly connected with, a plurality of slots have been seted up to the inner wall of mounting groove, be provided with the ring in the mounting groove, a plurality of standing grooves have been seted up in the outside of ring, the inner wall fixedly connected with compression spring of standing groove, compression spring's one end fixedly connected with and slot assorted inserted block, a plurality of spouts have been seted up to the inner wall of ring, sliding connection has the slider on the spout, be provided with actuating mechanism in the ring the inner wall of ring is provided with the dust screen.

Preferably, actuating mechanism includes the base, the base sets up the central point at the ring and puts, the one end and the dust screen fixed connection of base, the one end of base is rotated and is connected with the cylinder, cylindrical fixed surface is connected with a plurality of movable rods, the one end and the slider fixed connection of movable rod, be provided with the stay cord in the spout, the one end and the movable rod fixed connection of stay cord, the inner wall and the slider fixed connection of spout are run through to the other end of stay cord.

Preferably, one end of the cylinder is fixedly connected with a rotating knob, and the rotating knob is provided with anti-skid grains.

Preferably, the elasticity of the compression spring is greater than the gravity of the insert block, and the compression spring is an antirust spring.

Preferably, the inner wall of mounting groove is provided with the spacing ring, the spacing ring and ring phase-match.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this kind of dust keeper of spiral case fan air intake, through setting up the ring, dust screen, standing groove, compression spring cooperation inserted block can install through the mode that the inserted block injects the slot, and whole installation is simple convenient, reduces intensity of labour, has improved work efficiency, can also avoid the dust in the air to enter into the next equipment of air conditioning unit.

2. This kind of dust keeper of spiral case fan air intake through setting up base, cylinder, movable rod, stay cord, spout cooperation inserted block, can rotate the movable rod position, will remove the inserted block from the slot through the stay cord when the movable rod removes, and the user of being convenient for dismantles the ring and gets off and clear up the dust screen on its inner wall, and the dismantlement process saves time, laborsaving, has stronger practicality.

Drawings

FIG. 1 is a schematic sectional view of the first state of the present invention;

FIG. 2 is a schematic sectional view of the second state of the present invention;

FIG. 3 is a schematic cross-sectional view of the ring of the present invention;

fig. 4 is a rear view structure diagram of the present invention;

FIG. 5 is a schematic view of a partial cross-sectional structure of the present invention;

fig. 6 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1. a housing; 2. mounting grooves; 3. a motor; 4. a hub; 5. a blade; 6. a slot; 7. a circular ring; 8. a placement groove; 9. a compression spring; 10. inserting a block; 11. a chute; 12. a slider; 13. a base; 14. a cylinder; 15. a movable rod; 16. pulling a rope; 17. a dust screen; 18. and (6) turning.

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.

Examples

Referring to fig. 1-6, a dust-proof device for an air inlet of a volute fan comprises a housing 1, a mounting groove 2 is formed on the left side wall of the housing 1, a limiting ring is arranged on the inner wall of the mounting groove 2, the limiting ring is matched with a circular ring 7, the circular ring 7 can be prevented from continuously moving inwards by arranging the limiting ring, the slot 6 and a placing groove 8 can be positioned on the same horizontal plane, an insert block 10 can be conveniently inserted into the slot 6, a motor 3 is arranged at the right end of the housing 1, a hub 4 is arranged in the mounting groove 2, the hub 4 is fixedly connected with a rotating rod of the motor 3, a plurality of blades 5 are fixedly connected to the outer side of the hub 4, a plurality of slots 6 are formed on the inner wall of the mounting groove 2, the circular ring 7 is arranged in the mounting groove 2, a plurality of placing grooves 8 are formed on the outer side of the circular ring 7, a compression spring 9 is fixedly connected to the inner wall of the placing groove 8, the elasticity of the compression spring 9 is greater than the gravity of the insert block 10, the compression spring 9 is an antirust spring, the elasticity of the compression spring 9 is larger than the gravity of the insertion block 10, so that the insertion block 10 can be conveniently inserted into the insertion slot 6, the practicability is improved, one end of the compression spring 9 is fixedly connected with the insertion block 10 matched with the insertion slot 6, the inner wall of the circular ring 7 is provided with a plurality of sliding chutes 11, the sliding chutes 11 are slidably connected with sliding blocks 12, the circular ring 7 is internally provided with a driving mechanism, the driving mechanism comprises a base 13, the base 13 is arranged at the central position of the circular ring 7, one end of the base 13 is fixedly connected with a dust screen 17, one end of the base 13 is rotatably connected with a cylinder 14, one end of the cylinder 14 is fixedly connected with a knob 18, the knob 18 is provided with anti-skid grains, the cylinder 14 can be conveniently rotated by arranging the knob 18, the comfort of a user in use is improved, the surface of the cylinder 14 is fixedly connected with a plurality of movable rods 15, one end of the movable rods 15 is fixedly connected with the sliding blocks 12, a pull rope 16 is arranged in the sliding groove 11, one end of the pull rope 16 is fixedly connected with the movable rod 15, the other end of the pull rope 16 penetrates through the inner wall of the sliding groove 11 and is fixedly connected with the sliding block 12, and a dust screen 17 is arranged on the inner wall of the circular ring 7.

The working principle is as follows: during installation, the knob 18 is first rotated clockwise, and the knob 18 rotates the cylinder 14, when the cylinder 14 rotates, the pulling rope 16 is moved through the movable rod 15, when the pulling rope 16 moves, the inserting block 10 is driven to move towards the placing groove 8, when the inserting block 10 moves into the slot 6, when the ring 7 is moved into the mounting groove 2, the ring 7 is pressed against the limit ring, the rotating knob 18 is rotated anticlockwise, the movable rod 15 moves, when the placing groove 8 on the circular ring 7 is corresponding to the slot 6, the compression spring 9 will spring the inserting block 10 into the slot 6 by its own elasticity, at this moment, the ring 7 is fixed in the mounting groove 2, otherwise, when the ring 7 needs to be disassembled, the insertion block 10 can be moved out of the slot 6 only by rotating the knob 18 clockwise, so that a user can conveniently take the ring 7 out of the mounting groove 2.

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 (5)

1. A dustproof device for an air inlet of a volute fan comprises a shell (1);

the method is characterized in that:

the left side wall of the shell (1) is provided with a mounting groove (2), the right end of the shell (1) is provided with a motor (3), a wheel hub (4) is arranged in the mounting groove (2), the wheel hub (4) is fixedly connected with a rotating rod of the motor (3), the outer side of the wheel hub (4) is fixedly connected with a plurality of blades (5), the inner wall of the mounting groove (2) is provided with a plurality of slots (6), a circular ring (7) is arranged in the mounting groove (2), the outer side of the circular ring (7) is provided with a plurality of placing grooves (8), the inner wall of each placing groove (8) is fixedly connected with a compression spring (9), one end of each compression spring (9) is fixedly connected with an insert block (10) matched with the corresponding slot (6), the inner wall of the circular ring (7) is provided with a plurality of sliding grooves (11), and each sliding block (12) is slidably connected onto each sliding groove (11), a driving mechanism is arranged in the circular ring (7), and a dustproof net (17) is arranged on the inner wall of the circular ring (7).

2. The dustproof apparatus for the volute blower inlet according to claim 1, wherein: actuating mechanism includes base (13), base (13) set up the central point of ring (7) and put, the one end and dust screen (17) fixed connection of base (13), the one end of base (13) is rotated and is connected with cylinder (14), the fixed surface of cylinder (14) is connected with a plurality of movable rods (15), the one end and slider (12) fixed connection of movable rod (15), be provided with stay cord (16) in spout (11), the one end and the movable rod (15) fixed connection of stay cord (16), the inner wall and slider (12) fixed connection of spout (11) are run through to the other end of stay cord (16).

3. The dustproof device for the volute blower inlet according to claim 2, wherein: one end of the cylinder (14) is fixedly connected with a rotating knob (18), and anti-skid grains are arranged on the rotating knob (18).

4. The dustproof apparatus for the volute blower inlet according to claim 1, wherein: the elasticity of compression spring (9) is greater than the gravity of inserted block (10), compression spring (9) are rust-resistant spring.

5. The dustproof apparatus for the volute blower inlet according to claim 1, wherein:

the inner wall of the mounting groove (2) is provided with a limiting ring, and the limiting ring is matched with the circular ring (7).

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