CN220321502U

CN220321502U - Fresh air system

Info

Publication number: CN220321502U
Application number: CN202222200979.XU
Authority: CN
Inventors: 苏雷
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2024-01-09
Anticipated expiration: 2032-08-22

Abstract

The utility model discloses a fresh air system which comprises a fresh air fan body and a pre-filtering box, wherein the left side of the fresh air fan body is communicated with the left side of an air inlet pipe, a flange plate is arranged on the left side of the air inlet pipe, and the left side and the right side of the pre-filtering box are communicated with a fixed plate through pipelines. According to the utility model, through the cooperation of the prefilter box, the air inlet pipe, the flange plate, the fixed disc, the mounting sleeve, the annular driving block, the driving pulley, the through groove, the clamping block, the handle and the inserted link, the prefilter box performs prefilter treatment on air, larger dust in air is filtered and collected, when the prefilter box needs to be replaced and cleaned, the inserted link is pulled upwards, the handle is rotated, and the clamping block is driven by the handle to move outwards through the annular driving block and the driving pulley, so that the clamping block is separated from the clamping groove, the disassembly of the prefilter box is completed, the operation is simple, the effect of long service life is achieved, and the problem of short service life of the conventional device is solved.

Description

Fresh air system

Technical Field

The utility model relates to the technical field of fresh air systems, in particular to a fresh air system.

Background

The fresh air system is a set of independent air treatment system consisting of an air supply system and an exhaust system, and is divided into a pipeline type fresh air system and a pipeline-free fresh air system, wherein the pipeline type fresh air system consists of a fresh air fan and pipeline accessories, outdoor air is purified by the fresh air fan and is led into a room, and indoor air is discharged through a pipeline; the fresh air system without the pipeline consists of a fresh air blower, and is also guided into a room by the outdoor air purification machine, so that the fresh air system without the pipeline is relatively more suitable for industrial or large-area office areas due to large engineering quantity, and is more suitable for families due to convenient installation.

Disclosure of Invention

The utility model aims to provide a fresh air system which has the advantage of long service life and solves the problem of short service life of the conventional device.

In order to achieve the above purpose, the present utility model provides the following technical solutions: fresh air system, including new fan body and prefilter case, the left side intercommunication of new fan body has the left side of intake pipe to be provided with the ring flange, the left and right sides of prefilter case all has the fixed disk through the pipeline intercommunication, the opposite side fixedly connected with installation cover of fixed disk, the inner chamber of installation cover is provided with annular drive piece, the inboard fixedly connected with drive pulley of annular drive piece, the inboard of installation cover is provided with logical groove, the inner chamber of logical groove is provided with the fixture block, the right side fixedly connected with handle of annular drive piece, one side of handle is provided with the through-hole, and the inner chamber of through-hole is provided with the inserted bar.

Preferably, the front and the back of the annular driving block are fixedly connected with guide posts, and the other ends of the guide posts are slidably connected with sliding grooves.

Preferably, the surface fixedly connected with stopper of fixture block, the opposite side sliding connection of stopper has the spacing groove, the inner chamber fixedly connected with first spring of spacing groove.

Preferably, one end of the inserted link is fixedly connected with a stop block, a second spring is sleeved on the surface of the inserted link, and a positioning hole is formed in one side of the fixed disc.

Preferably, the surface of the flange plate is provided with clamping grooves, and the number of the clamping grooves is six.

Preferably, the inner cavity of the pre-filtering box is provided with three filtering screens.

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

1. according to the utility model, through the cooperation of the prefilter box, the air inlet pipe, the flange plate, the fixed disc, the mounting sleeve, the annular driving block, the driving pulley, the through groove, the clamping block, the handle and the inserted link, the prefilter box performs prefilter treatment on air, larger dust in air is filtered and collected, when the prefilter box needs to be replaced and cleaned, the inserted link is pulled upwards, the handle is rotated, and the clamping block is driven by the handle to move outwards through the annular driving block and the driving pulley, so that the clamping block is separated from the clamping groove, the disassembly of the prefilter box is completed, the operation is simple, the effect of long service life is achieved, and the problem of short service life of the conventional device is solved.

2. According to the utility model, the annular driving block is conveniently limited by the cooperation of the guide post and the sliding groove, the stability of the device is improved, the clamping block is conveniently limited by the cooperation of the limiting block, the limiting groove and the first spring, and the multistage filtering is conveniently realized by designing three filter screens.

Drawings

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

FIG. 2 is a right side view of the structure of the holding pan of the present utility model;

fig. 3 is an enlarged view of a portion of fig. 2 at a in accordance with the present utility model.

In the figure: 1. a fresh air fan body; 2. a pre-filtration tank; 3. an air inlet pipe; 4. a flange plate; 5. a fixed plate; 6. a mounting sleeve; 7. an annular driving block; 8. a drive pulley; 9. a through groove; 10. a clamping block; 11. a handle; 12. a rod; 13. a guide post; 14. a limiting block; 15. a limit groove; 16. a first spring; 17. a stop block; 18. a second spring; 19. positioning holes; 20. a clamping groove; 21. and (3) a filter screen.

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. 1-3, the fresh air system comprises a fresh air fan body 1 and a pre-filtering box 2, wherein the inner cavity of the pre-filtering box 2 is provided with filtering screens 21, the number of the filtering screens 21 is three, the annular driving blocks 7 are conveniently limited by the cooperation of a guide post 13 and a sliding groove, the stability of the device is improved, the clamping blocks 10 are conveniently limited by the cooperation of a limiting block 14, a limiting groove 15 and a first spring 16, the multistage filtering is conveniently realized by designing the three filtering screens 21, the left side of the fresh air fan body 1 is communicated with the left side of an air inlet pipe 3, the left side of the air inlet pipe 3 is provided with a flange 4, the surface of the flange 4 is provided with clamping grooves 20, the number of the clamping grooves 20 is six, the left side and the right side of the pre-filtering box 2 are communicated with fixed discs 5 through pipelines, the other side of the fixed discs 5 is fixedly connected with mounting sleeves 6, the inner cavity of the mounting sleeves 6 is provided with the annular driving blocks 7, the front and the back of the annular driving block 7 are fixedly connected with a guide post 13, the other end of the guide post 13 is slidably connected with a chute, the inner side of the annular driving block 7 is fixedly connected with a driving pulley 8, the inner side of the mounting sleeve 6 is provided with a through groove 9, the inner cavity of the through groove 9 is provided with a clamping block 10, the surface of the clamping block 10 is fixedly connected with a limiting block 14, the other side of the limiting block 14 is slidably connected with a limiting groove 15, the inner cavity of the limiting groove 15 is fixedly connected with a first spring 16, the right side of the annular driving block 7 is fixedly connected with a handle 11, one side of the handle 11 is provided with a through hole, the inner cavity of the through hole is provided with a plug rod 12, one end of the plug rod 12 is fixedly connected with a stop block 17, the surface of the plug rod 12 is sleeved with a second spring 18, one side of the fixing disc 5 is provided with a positioning hole 19, and the other side of the fixing disc 5 is provided with a positioning sleeve 6 through a prefilter 2, an air inlet pipe 3, a flange 4, a fixing disc 5 and the mounting sleeve 6, the cooperation of cyclic annular drive piece 7, drive pulley 8, logical groove 9, fixture block 10, handle 11 and inserted bar 12, prefilter case 2 carries out prefilter processing to gas, filter great dust in the air and collect, when needs change the washing to prefilter case 2, upwards pull inserted bar 12, rotatory handle 11, handle 11 drives fixture block 10 outside through cyclic annular drive piece 7 and drive pulley 8 and removes, make fixture block 10 break away from draw-in groove 20, accomplish the dismantlement of prefilter case 2, easy operation, thereby reach long service life's effect, the problem of current device life weak point has been solved.

When the novel pre-filtering box is used, the pre-filtering box 2 is used for pre-filtering gas, larger dust in the air is filtered and collected, when the pre-filtering box 2 is required to be replaced and cleaned, the inserting rod 12 is pulled upwards, the handle 11 is rotated, the handle 11 drives the clamping block 10 to move outwards through the annular driving block 7 and the driving pulley 8, the clamping block 10 is separated from the clamping groove 20, the pre-filtering box 2 is detached, and the novel pre-filtering box is simple to operate, so that the effect of long service life is achieved.

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. Fresh air system, including new fan body (1) and prefilter case (2), its characterized in that: the novel fan comprises a fan body (1), wherein the left side of the fan body (1) is communicated with an air inlet pipe (3), a flange plate (4) is arranged on the left side of the air inlet pipe (3), fixing plates (5) are respectively arranged on the left side and the right side of a pre-filtering box (2) through pipeline communication, a mounting sleeve (6) is fixedly connected to the other side of the fixing plates (5), an annular driving block (7) is arranged in an inner cavity of the mounting sleeve (6), a driving pulley (8) is fixedly connected to the inner side of the annular driving block (7), a through groove (9) is formed in the inner side of the mounting sleeve (6), a clamping block (10) is arranged in the inner cavity of the through groove (9), a handle (11) is fixedly connected to the right side of the annular driving block (7), a through hole is formed in one side of the handle (11), and a inserting rod (12) is arranged in the inner cavity of the through hole.

2. The fresh air system of claim 1, wherein: the front and the back of the annular driving block (7) are fixedly connected with guide posts (13), and the other ends of the guide posts (13) are connected with sliding grooves in a sliding manner.

3. The fresh air system of claim 1, wherein: the surface of fixture block (10) is fixedly connected with stopper (14), the opposite side sliding connection of stopper (14) has spacing groove (15), the inner chamber fixedly connected with first spring (16) of spacing groove (15).

4. The fresh air system of claim 1, wherein: one end of the inserted link (12) is fixedly connected with a stop block (17), a second spring (18) is sleeved on the surface of the inserted link (12), and a positioning hole (19) is formed in one side of the fixed disc (5).

5. The fresh air system of claim 1, wherein: the surface of the flange plate (4) is provided with clamping grooves (20), and the number of the clamping grooves (20) is six.

6. The fresh air system of claim 1, wherein: the inner cavity of the pre-filtering box (2) is provided with filtering screens (21), and the number of the filtering screens (21) is three.