CN217301054U

CN217301054U - Negative-pressure air fan's dust keeper

Info

Publication number: CN217301054U
Application number: CN202220265798.2U
Authority: CN
Inventors: 尤福坤; 尤飞燕
Original assignee: Fujian Aoyou Electrical Co ltd
Current assignee: Fujian Aoyou Electrical Co ltd
Priority date: 2022-02-09
Filing date: 2022-02-09
Publication date: 2022-08-26
Anticipated expiration: 2032-02-09

Abstract

The utility model discloses a negative-pressure air fan's dust keeper, including the mounting panel, the back fixed mounting of mounting panel inner chamber has the fixed plate, the fixed slot has been seted up to the positive middle part of fixed plate, the positive both sides of fixed slot and the equal fixed mounting of inner chamber that is located the mounting panel have the slide rail. The utility model discloses a setting up of fixed slot is convenient for install the slide rail and fixed, be convenient for carry out slidingtype installation and dismantlement to the protecting box through setting up of slide rail and slider, be convenient for to be connected slider and protecting box through setting up of dead lever, it is fixed and spacing to slide to the slider after the slide is inside to be convenient for the slider through setting up of threaded rod and nut, can prevent effectively that the offset from appearing at the in-process of installation of threaded rod through setting up of stopper, be convenient for take out the slider through setting up of export, the common dust keeper for the negative pressure fan has generally had the installation and the more complicated problem of dismantlement process in the market simultaneously.

Description

Negative-pressure air fan's dust keeper

Technical Field

The utility model relates to a negative-pressure air fan technical field specifically is a negative-pressure air fan's dust keeper.

Background

The negative pressure fan utilizes the cooling principle of air convection and negative pressure ventilation, is a machine which naturally sucks fresh air from a gate or a window opposite to an installation place and quickly and forcibly discharges indoor sultry gas outdoors, and any problem of poor ventilation can be improved, the cooling and ventilation effect can reach 90% -97%, the negative pressure fan needs to use a dustproof device in the use process, the dustproof device for the common negative pressure fan in the market generally has the phenomenon of complex installation and disassembly processes, so that a user wastes time and labor in the installation and disassembly processes of the device, the work progress and the work efficiency of the user are seriously influenced, and inconvenience is brought to the user.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a negative-pressure air fan's dust keeper possesses the advantage of the installation of being convenient for, has solved common negative-pressure air fan for the dust keeper ubiquitous installation in the market and has dismantled the more complicated problem of process.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a negative-pressure air fan's dust keeper, includes the mounting panel, the back fixed mounting of mounting panel inner chamber has the fixed plate, the fixed slot has been seted up to the positive middle part of fixed plate, the positive both sides of fixed slot and the equal fixed mounting in inner chamber that are located the mounting panel have the slide rail, the equal movable mounting in both sides has the slider around the slide rail inner chamber, the inboard fixedly connected with gag lever post of slider, the top fixedly connected with dead lever of slider, the positive both sides of fixed slot and the equal fixed mounting in inner chamber that is located the mounting panel have the diaphragm, the equal fixed mounting in both sides has the nut around the diaphragm is inboard, the inner chamber threaded connection of nut has the threaded rod, the equal fixed mounting in both sides of mounting panel inner chamber has the stopper, the top fixedly connected with protecting box of dead lever, the export has all been seted up to the positive both sides of mounting panel.

Preferably, the ventilation opening is formed in the middle of the front face of the protection box, and side plates are fixedly mounted on two sides of the inner cavity of the protection box.

Preferably, the inner side of the side plate is provided with a limiting groove, and a limiting plate is movably arranged in the inner cavity of the limiting groove.

Preferably, the inner side of the limiting plate is fixedly connected with a dust cover in the inner cavity of the protective box, and protective plates are fixedly mounted on two sides of the protective box.

Preferably, the bottom of the protection plate is fixedly connected with a protection rod, and the protection rod is movably connected with the mounting plate.

Preferably, a handle is fixedly mounted at the top of the dust cover and on the outer side of the protection box, and a fan body is fixedly mounted in the middle of the inner cavity of the protection box and on the back of the dust cover.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a setting up of fixed slot is convenient for install and fix the slide rail, be convenient for carry out slidingtype installation and dismantlement to the protecting box through the setting of slide rail and slider, be convenient for be connected slider and protecting box through setting up of dead lever, it is fixed and spacing to slide to the slider inside back to be convenient for through setting up of threaded rod and nut, setting up through the stopper can prevent effectively that the offset from appearing in the in-process of installation of threaded rod, be convenient for take out the slider through setting up of export, the common dust keeper ubiquitous installation for the negative pressure fan on the market and the more complicated problem of dismantlement process have been solved simultaneously.

2. The utility model discloses a setting up convenient to use person of spacing groove and limiting plate changes and overhauls the dust cover, can prevent effectively through the setting of guard plate that the rainwater flows to the mounting panel inside along the outer wall of guard box in rainwater weather.

Drawings

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

FIG. 2 is a top view of the mounting plate structure of the present invention;

fig. 3 is a partial front sectional view of the structure of the protection box of the present invention.

In the figure: 1. mounting a plate; 2. a fixing plate; 3. fixing grooves; 4. a slide rail; 5. a slider; 6. a limiting rod; 7. fixing the rod; 8. a transverse plate; 9. a nut; 10. a threaded rod; 11. a limiting block; 12. a protective box; 13. an outlet; 14. a vent; 15. a side plate; 16. a limiting groove; 17. a limiting plate; 18. a dust cover; 19. a protection plate; 20. a guard bar; 21. a handle; 22. the fan body.

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. 1-3, a dust-proof device of a negative pressure fan comprises a mounting plate 1, a fixing plate 2 is fixedly arranged on the back of an inner cavity of the mounting plate 1, a fixing groove 3 is arranged in the middle of the front of the fixing plate 2, slide rails 4 are fixedly arranged on the two sides of the front of the fixing groove 3 and in the inner cavity of the mounting plate 1, slide blocks 5 are movably arranged on the front and back sides of the inner cavity of the slide rails 4, a limiting rod 6 is fixedly connected to the inner side of each slide block 5, a fixing rod 7 is fixedly connected to the top of each slide block 5, transverse plates 8 are fixedly arranged on the two sides of the front of the fixing groove 3 and in the inner cavity of the mounting plate 1, nuts 9 are fixedly arranged on the front and back sides of the inner side of each transverse plate 8, a threaded rod 10 is in threaded connection with the inner cavity of each nut 9, limiting blocks 11 are fixedly arranged on the two sides of the inner cavity of the mounting plate 1, a protection box 12 is fixedly connected to the top of the fixing rod 7, a vent 14 is arranged in the middle of the front of the protection box 12, both sides of the inner cavity of the protective box 12 are fixedly provided with side plates 15, the inner sides of the side plates 15 are provided with limit grooves 16, a user can conveniently replace and overhaul a dust cover 18 by arranging the limit grooves 16 and the limit plates 17, the limit plates 17 are movably arranged in the inner cavity of the limit grooves 16, the inner side of the limit plates 17 and the inner cavity of the protective box 12 are fixedly connected with the dust cover 18, a handle 21 is fixedly arranged at the top of the dust cover 18 and at the outer side of the protective box 12, a fan body 22 is fixedly arranged at the middle part of the inner cavity of the protective box 12 and at the back of the dust cover 18, both sides of the protective box 12 are fixedly provided with protective plates 19, rainwater can be effectively prevented from flowing into the mounting plate 1 along the outer wall of the protective box 12 in rainwater weather by arranging the protective plates 19, the bottom of the protective plates 19 is fixedly connected with protective rods 20, and the protective rods 20 are movably connected with the mounting plate 1, export 13 has all been seted up to the positive both sides of mounting panel 1, it installs and fixes to slide rail 4 to be convenient for through the setting of fixed slot 3, be convenient for carry out slidingtype installation and dismantlement to protective housing 12 through the setting of slide rail 4 and slider 5, be convenient for be connected slider 5 and protective housing 12 through the setting of dead lever 7, it fixes and is spacing to slider 5 sliding to slide 4 inside back to through the setting of threaded rod 10 and nut 9 to be convenient for, can prevent effectively that the skew from appearing in-process of installation of threaded rod 10 through setting up of stopper 11, be convenient for take out slider 5 through the setting of export 13, common negative pressure fan dust keeper ubiquitous installation and the more complicated problem of dismantlement process on the market have been solved simultaneously.

During the use, install and fix slide rail 4 through fixed slot 3, carry out slidingtype installation and dismantlement to protective housing 12 through slide rail 4 and slider 5, be connected slider 5 and protective housing 12 through dead lever 7, can make slider 5 fix and spacing slider 5 sliding to the inside back of slide rail 4 through threaded rod 10 and nut 9, can prevent that the skew from appearing at the in-process of installation of threaded rod 10 through stopper 11, can take out slider 5 through export 13, the user can change and overhaul dust cover 18 through spacing groove 16 and limiting plate 17, can prevent in rainwater weather through guard plate 19, the rainwater flows to mounting panel 1 inside along the outer wall of protective housing 12.

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

1. The utility model provides a negative-pressure air fan's dust keeper, includes mounting panel (1), its characterized in that: the back fixed mounting of mounting panel (1) inner chamber has fixed plate (2), fixed slot (3) have been seted up to the positive middle part of fixed plate (2), the equal fixed mounting in inner chamber that fixed slot (3) positive both sides just are located mounting panel (1) has slide rail (4), the equal movable mounting in both sides has slider (5) around slide rail (4) inner chamber, the inboard fixedly connected with gag lever post (6) of slider (5), the top fixedly connected with dead lever (7) of slider (5), the equal fixed mounting in inner chamber that fixed slot (3) positive both sides just are located mounting panel (1) has diaphragm (8), the equal fixed mounting in both sides has nut (9) around diaphragm (8) inboard, the inner chamber threaded connection of nut (9) has threaded rod (10), the equal fixed mounting in both sides of mounting panel (1) inner chamber has stopper (11), the top fixedly connected with guard box (12) of dead lever (7), export (13) have all been seted up to the positive both sides of mounting panel (1).

2. The dust-proof device of the negative pressure air blower according to claim 1, characterized in that: the ventilation opening (14) has been seted up to the positive middle part of protective housing (12), curb plate (15) are all fixed mounting in both sides of protective housing (12) inner chamber.

3. The dust-proof device of the negative pressure air fan according to claim 2, characterized in that: the inner side of the side plate (15) is provided with a limiting groove (16), and a limiting plate (17) is movably arranged in the inner cavity of the limiting groove (16).

4. The dust-proof device of the negative pressure air blower according to claim 3, characterized in that: the inner side of the limiting plate (17) is fixedly connected with a dust cover (18) in an inner cavity of the protective box (12), and protective plates (19) are fixedly mounted on two sides of the protective box (12).

5. The dust-proof device of the negative pressure air fan according to claim 4, characterized in that: the bottom fixedly connected with fender rod (20) of guard plate (19), fender rod (20) and mounting panel (1) swing joint.

6. The dust-proof device of the negative pressure air fan according to claim 4, characterized in that: the top of the dust cover (18) is fixedly provided with a handle (21) at the outer side of the protective box (12), and the middle part of the inner cavity of the protective box (12) is fixedly provided with a fan body (22) at the back side of the dust cover (18).