CN214196722U

CN214196722U - Centrifugal fan convenient to dismantle filter screen

Info

Publication number: CN214196722U
Application number: CN202022925230.2U
Authority: CN
Inventors: 邵晓惠
Original assignee: Tianjin Jinnuo'an Technology Co ltd
Current assignee: Tianjin Jinnuo'an Technology Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-09-14
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses a centrifugal fan convenient to dismantle filter screen, including the organism, fixedly connected with air-supply line on the organism, be provided with the filter screen in the pipeline of air-supply line, the opening has been seted up on the top of air-supply line, be provided with the shrouding in the opening, the groove that resets has been seted up to the bottom inner wall of air-supply line. The utility model discloses a set up calorie ball, kelly and shrouding, under the elastic action of first spring, in the kelly joint arrived first draw-in groove, under the elastic action of second spring, in the kelly joint arrived the second draw-in groove to with filter screen fixed mounting to the pipeline of air-supply line, when the filter screen needs to wash, stimulate first limiting plate, make two first limiting plates keep away from each other, thereby make the kelly break away from first draw-in groove simultaneously, make the kelly break away from the second draw-in groove, thereby be convenient for dismantle the filter screen fast and get off.

Description

Centrifugal fan convenient to dismantle filter screen

Technical Field

The utility model relates to a centrifugal fan technical field especially relates to a centrifugal fan convenient to dismantle filter screen.

Background

The centrifugal fan mainly comprises four parts, namely an impeller, a casing, an air inlet pipe and a transmission device, wherein the impeller is made of steel plates, the purpose of stable operation can be achieved through dynamic and static balance correction, the casings are generally divided into two types, one type of casing is an integral body and cannot be disassembled, and the other type of casing is a three-opening type. In use, in order to prevent the centrifugal fan from sucking in impurities in air, a filter screen is usually disposed in the air inlet pipe to filter the impurities in the air.

However, most of the existing centrifugal fans are fixed in the pipeline of the air inlet pipe through a fixing bolt by a filter screen, and when the filter screen needs to be cleaned, the filter screen is inconvenient to detach.

Therefore, the centrifugal fan with the filter screen convenient to detach is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art that the filter screen makes mostly in the pipeline of fixing to the air-supply line through fixing bolt, when needs wash the filter screen, inconvenient dismantlement the problem that gets off with the filter screen, and the centrifugal fan of a convenient to detach filter screen that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a centrifugal fan convenient to dismantle filter screen, includes the organism, fixedly connected with air-supply line on the organism, be provided with the filter screen in the pipeline of air-supply line, the opening has been seted up on the top of air-supply line, be provided with the shrouding in the opening, the groove that resets has been seted up to the bottom inner wall of air-supply line, reset and be provided with the third spring in the groove and reset the board, first spout has all been seted up to the inner wall at both ends about the air-supply line, filter screen and the sealed sliding connection of first spout, first draw-in groove has all been seted up at both ends about the filter screen, the joint has the kelly in the first draw-in groove, the second draw-in groove has been seted up to the left and right sides symmetry on shrouding top, the joint has the card ball in the second draw-in groove.

Optionally, the sealed sliding connection of the reset plate is in the reset groove, the one end and the reset plate fixed connection of third spring, it is a plurality of the third spring is even symmetric distribution on the reset plate, the other end fixed connection of third spring is on the tank bottom inner wall in reset groove.

Optionally, the clamping rod is connected to the air inlet pipe in a sealing and sliding mode, a vertical rod is fixedly connected to the top end of the clamping ball, and a second limiting plate is fixedly connected to the top end of the vertical rod.

Optionally, the bottom end of the second limiting plate is fixedly connected with a plurality of second springs, the other ends of the second springs are fixedly connected with the same cross rod, and the vertical rod is connected to the cross rod in a sliding mode.

Optionally, the same first limiting plate of horizontal pole and kelly fixedly connected with, a plurality of first springs of one end fixedly connected with that first limiting plate is close to the air-supply line, the other end fixed connection of first spring is on the outer wall of air-supply line.

Optionally, the clamping rod is of a rectangular structure, the second clamping groove is of an arc-shaped structure, the second sliding groove is formed in the top end of the air inlet pipe, the clamping ball is connected with the second clamping groove in a sliding mode, the sealing plate is fixedly connected with the top end of the filter screen, and the bottom end of the filter screen is in contact connection with the reset plate.

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

1. the utility model discloses a set up calorie ball, kelly and shrouding, under the elastic action of first spring, in the kelly joint arrived first draw-in groove, under the elastic action of second spring, in the kelly joint arrived the second draw-in groove to with filter screen fixed mounting to the pipeline of air-supply line, when the filter screen needs to wash, stimulate first limiting plate, make two first limiting plates keep away from each other, thereby make the kelly break away from first draw-in groove simultaneously, make the kelly break away from the second draw-in groove, thereby be convenient for dismantle the filter screen fast and get off.

2. The utility model discloses a set up reset plate and third spring, when dismantling the filter screen, under the elastic action of a plurality of third springs, the third spring makes the reset plate upwards slide in the groove that resets, and the reset plate is with the ejecting opening of shrouding to be convenient for take out shrouding and filter screen in the lump.

Drawings

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

fig. 2 is an enlarged schematic view of a portion a of fig. 1.

In the figure: 1 air-supply line, 2 organisms, 3 reset boards, 4 reset grooves, 5 filter screens, 6 first spout, 7 shrouding, 8 openings, 9 first limiting plate, 10 third spring, 11 kellies, 12 first spring, 13 first draw-in groove, 14 second limiting plate, 15 second spring, 16 horizontal poles, 17 montants, 18 calorie of ball, 19 second draw-in grooves, 20 second spouts.

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.

Referring to fig. 1-2, a centrifugal fan convenient to dismantle filter screen, including organism 2, fixedly connected with air-supply line 1 on the organism 2, be provided with filter screen 5 in the pipeline of air-supply line 1, opening 8 has been seted up on the top of air-supply line 1, be provided with shrouding 7 in the opening 8, reset groove 4 has been seted up to the bottom inner wall of air-supply line 1, reset groove 4 is provided with third spring 10 and reset plate 3, reset plate 3 is sealed sliding connection in reset groove 4, the one end and the 3 fixed connection that reset plate 3 of third spring 10, a plurality of third springs 10 are even symmetric distribution on reset plate 3, the other end fixed connection of third spring 10 is on the tank bottom inner wall of reset groove 4.

First spout 6 has all been seted up to the inner wall at both ends about air-supply line 1, and filter screen 5 and the 6 sealed sliding connection of first spout, first draw-in groove 13 has all been seted up at both ends about filter screen 5, and the joint has kelly 11 in the first draw-in groove 13, and second draw-in groove 19 has been seted up to the left and right sides symmetry on shrouding 7 top.

The clamping ball 18 is clamped in the second clamping groove 19, the clamping rod 11 is connected to the air inlet pipe 1 in a sealing and sliding mode, the top end of the clamping ball 18 is fixedly connected with the vertical rod 17, and the top end of the vertical rod 17 is fixedly connected with the second limiting plate 14.

The bottom fixedly connected with of second limiting plate 14 has a plurality of second springs 15, and the same horizontal pole 16 of the other end fixedly connected with of a plurality of second springs 15, montant 17 sliding connection are on horizontal pole 16, and the same first limiting plate 9 of

horizontal pole

16 and 11 fixedly connected with of kelly, and a plurality of first springs 12 of one end fixedly connected with that first limiting plate 9 is close to air-supply line 1, and the other end fixed connection of first spring 12 is on the outer wall of air-supply line 1.

The clamping rod 11 is of a rectangular structure, the second clamping groove 19 is of an arc-shaped structure, the second sliding groove 20 is formed in the top end of the air inlet pipe 1, the clamping ball 18 is slidably connected with the second clamping groove 19, the sealing plate 7 is fixedly connected with the top end of the filter screen 5, and the bottom end of the filter screen 5 is in contact connection with the reset plate 3.

The working principle is as follows:

when the air inlet pipe is installed, as shown in fig. 1, the clamping rod 11 is clamped into the first clamping groove 13 under the elastic action of the first spring 12, and the clamping ball 18 is clamped into the second clamping groove 19 under the elastic action of the second spring 15, so that the filter screen 5 is fixedly installed in the pipeline of the air inlet pipe 1, and due to the extrusion action of the filter screen 5, the third spring 10 is compressed, and the reset plate 3 is contracted into the reset groove 4.

When needs wash filter screen 5, at first the first limiting plate 9 of pulling, make two first limiting plates 9 keep away from each other, first spring 12 extension, first limiting plate 9 drives kelly 11 and horizontal pole 16 simultaneously and removes, kelly 11 breaks away from the joint with first draw-in groove 13, and simultaneously, horizontal pole 16 drives montant 17 and removes, montant 17 drives card ball 18 and removes, thereby make card ball 18 shift out second draw-in groove 19 and slide into second spout 20, under the elastic action of third spring 10, reset plate 3 moves up, thereby make shrouding 7 by ejecting opening 8, then upwards pull shrouding 7, thereby follow air-supply line 1 with shrouding 7 and filter screen 5 in the lump and dismantle fast, it is more convenient to make the dismantlement of filter screen 5.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A centrifugal fan convenient for disassembling a filter screen comprises a fan body (2) and is characterized in that an air inlet pipe (1) is fixedly connected onto the fan body (2), a filter screen (5) is arranged in a pipeline of the air inlet pipe (1), an opening (8) is formed in the top end of the air inlet pipe (1), a sealing plate (7) is arranged in the opening (8), a reset groove (4) is formed in the inner wall of the bottom end of the air inlet pipe (1), a third spring (10) and a reset plate (3) are arranged in the reset groove (4), first sliding grooves (6) are formed in the inner walls of the left end and the right end of the air inlet pipe (1), the filter screen (5) is in sealing sliding connection with the first sliding grooves (6), first clamping grooves (13) are formed in the left end and the right end of the filter screen (5), clamping rods (11) are clamped in the first clamping grooves (13), and second clamping grooves (19) are symmetrically formed in the left side and the right side of the top end of the sealing plate (7), the second clamping groove (19) is clamped with a clamping ball (18).

2. The centrifugal fan convenient for disassembling the filter screen according to claim 1, wherein the reset plate (3) is slidably connected in the reset groove (4) in a sealing manner, one end of the third spring (10) is fixedly connected with the reset plate (3), the plurality of third springs (10) are uniformly and symmetrically distributed on the reset plate (3), and the other end of the third spring (10) is fixedly connected to the inner wall of the bottom of the reset groove (4).

3. The centrifugal fan convenient for disassembling the filter screen is characterized in that the clamping rod (11) is connected on the air inlet pipe (1) in a sealing and sliding manner, a vertical rod (17) is fixedly connected to the top end of the clamping ball (18), and a second limiting plate (14) is fixedly connected to the top end of the vertical rod (17).

4. The centrifugal fan convenient for disassembling the filter screen is characterized in that a plurality of second springs (15) are fixedly connected to the bottom end of the second limiting plate (14), the other ends of the plurality of second springs (15) are fixedly connected with the same cross rod (16), and the vertical rod (17) is slidably connected to the cross rod (16).

5. The centrifugal fan convenient for disassembling the filter screen is characterized in that the cross rod (16) and the clamping rod (11) are fixedly connected with the same first limiting plate (9), one end of the first limiting plate (9) close to the air inlet pipe (1) is fixedly connected with a plurality of first springs (12), and the other end of each first spring (12) is fixedly connected to the outer wall of the air inlet pipe (1).

6. The centrifugal fan convenient to disassemble a filter screen according to claim 1, wherein the clamping rod (11) is of a rectangular structure, the second clamping groove (19) is of an arc structure, the top end of the air inlet pipe (1) is provided with a second sliding groove (20), the clamping ball (18) is slidably connected with the second clamping groove (19), the closing plate (7) is fixedly connected with the top end of the filter screen (5), and the bottom end of the filter screen (5) is in contact connection with the reset plate (3).