CN216553666U

CN216553666U - Air return window for air filtering device

Info

Publication number: CN216553666U
Application number: CN202123035652.3U
Authority: CN
Inventors: 孙园
Original assignee: Suzhou Yuanhong Purification Technology Co ltd
Current assignee: Suzhou Yuanhong Purification Technology Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-05-17
Anticipated expiration: 2031-12-06

Abstract

The utility model relates to the technical field of air filtration, in particular to an air return window for an air filtering device, and provides a scheme for solving the problems in the background art. The air inlet of the air return window faces downwards through the arranged shield, rainwater in rainy days can be prevented from wetting the filter screen in the air return window through the air inlet, larger impurities such as fallen leaves and the like can be reduced from being adsorbed on the filter screen to block the filter screen, the entering air can be filtered layer by layer through the plurality of filter screens with different meshes arranged in the air return window, the effect of primary filtering is favorably improved, and the connection mode of the connecting plate and the fixing frame in a splicing manner is convenient for detaching the connecting plate and taking down the filter frame bonded with the filter screen for cleaning.

Description

Air return window for air filtering device

Technical Field

The utility model relates to the technical field of air filtration, in particular to an air return window for an air filtering device.

Background

With the continuous promotion of urban construction, the development of industry and the sharp increase of urban automobile quantity, the residue that discharges through burning among industrial production, the automobile exhaust emission etc. its principal ingredients are sulfur dioxide, nitrogen oxide and smoke and dust and discharge in a large number, surpass natural environment's self-care ability, cause serious pollution to the air, bring harm to people's that live in the city health, production and life, current family often carries out the filtration to the air through installing air filter.

The air filter device comprises a filter screen, a fan blade, and a fan blade, a fan blade.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a return air window for an air filtering device.

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

the utility model provides an air return window for air filter, includes fixed frame, one side of fixed frame is fixed with the splice box, and the inner wall all around of fixed frame is provided with first filtration frame, one side that the splice box was kept away from to first filtration frame is provided with the second and crosses the filter box, and the second crosses one side that the splice box was kept away from to the filter box and be provided with the third and cross the filter box, the opposite side of fixed frame is provided with the connecting plate, and one side outer wall four corners of connecting plate all is fixed with the inserted bar, the opposite side outer wall of connecting plate is fixed with the fender cover that the equidistance distributes.

Preferably, the inner walls of the two sides of the fixing frame are provided with sliding grooves, the two sides of the outer wall of one side, close to the fixing frame, of the connecting frame are fixed with springs, and the springs are located in the sliding grooves.

Preferably, the outer walls of the two sides of the first filtering frame, the second filtering frame and the third filtering frame are respectively fixed with a sliding block, and the sliding blocks are matched with the sliding grooves.

Preferably, the inner walls of the periphery of the first filtering frame, the second filtering frame and the third filtering frame are all bonded with filtering nets, and meshes of the filtering nets are gradually increased in sequence.

Preferably, slots are formed in four corners of the outer wall of the other side of the fixing frame, and the slots and the inserted rods form interference fit.

Preferably, the outer wall of one side of the connecting plate is provided with ventilation openings distributed at equal intervals, and the ventilation openings are matched with the blocking cover.

The utility model has the beneficial effects that:

through the fender cover that sets up, make the air inlet of return air window downwards, the rainwater that both can avoid the rainy day drenches the filter screen in the return air window through the air inlet, also can reduce great debris such as fallen leaves and adsorb on the filter screen and block up the filter screen, through the filter screen of a plurality of different meshes that set up in the return air window, can filter layer upon layer the air that gets into, be favorable to improving first filterable effect, and the connected mode of connecting plate and fixed frame grafting, be convenient for pull down the connecting plate, take off the filter frame that has the filter screen to bonding and clear up.

Drawings

Fig. 1 is a schematic disassembled view of an overall structure of a return air window for an air filter device according to the present invention;

fig. 2 is a schematic view of an overall structure of a return air window for an air filter device according to the present invention;

fig. 3 is a schematic disassembled view of a connecting plate structure of a return air window for an air filter device according to the present invention.

In the figure: the filter comprises a fixed frame 1, a slot 101, a sliding chute 102, a connecting frame 2, a spring 3, a first filter frame 4, a second filter frame 5, a third filter frame 6, a sliding block 7, a connecting plate 8, an 801 ventilation opening, an inserted rod 9 and a blocking cover 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1:

referring to fig. 1-3, a return air window for an air filtering device comprises a fixing frame 1, a connecting frame 2 is fixed on one side of the fixing frame 1, a first filtering frame 4 is arranged on the peripheral inner wall of the fixing frame 1, a second filtering frame 5 is arranged on one side of the first filtering frame 4 far away from the connecting frame 2, a third filtering frame 6 is arranged on one side of the second filtering frame 5 far away from the connecting frame 2, filtering nets are respectively bonded on the peripheral inner walls of the first filtering frame 4, the second filtering frame 5 and the third filtering frame 6, meshes of the filtering nets are gradually increased in sequence, a connecting plate 8 is arranged on the other side of the fixing frame 1, inserting rods 9 are respectively fixed on four corners of the outer wall of one side of the connecting plate 8, slots 101 are respectively arranged on four corners of the outer wall of the other side of the fixing frame 1, the slots 101 are in interference fit with the inserting rods 9, blocking covers 10 are fixed on the outer wall of the other side of the connecting plate 8, ventilation openings 801 are equidistantly distributed on one side of the connecting plate 8, the vent 801 is adapted to the shield 10.

Through the fender cover 10 that sets up, make the air inlet of return air window downwards, the rainwater that both can avoid the rainy day drenches the filter screen in the return air window through the air inlet, also can reduce great debris such as fallen leaves and adsorb on the filter screen and block up the filter screen, through the filter screen of a plurality of different meshes that set up in the return air window, can filter layer upon layer the air that gets into, be favorable to improving first filterable effect, and the connected mode of connecting plate 8 and fixed frame 1 grafting, be convenient for pull down connecting plate 8, take off the filter frame that has the filter screen to bonding and clear up.

Example 2:

the embodiment is optimized on the basis of embodiment 1, and specifically comprises the following steps:

the inner walls of two sides of the fixed frame 1 are respectively provided with a sliding chute 102, two sides of the outer wall of one side of the connecting frame 2 close to the fixed frame 1 are respectively fixed with a spring 3, the spring 3 is positioned in the sliding chute 102, the outer walls of two sides of the first filtering frame 4, the second filtering frame 5 and the third filtering frame 6 are respectively fixed with a sliding block 7, and the sliding blocks 7 are matched with the sliding chutes 102;

through being provided with spring 3 in the spout 102, when the dismantlement of filtering the frame, after taking off connecting plate 8, receive extruded spring 3 and can outwards promote slider 7 through self elastic deformation, and then outwards push a plurality of filtration frames in the fixed frame 1, conveniently take off the filtration frame from fixed frame 1.

The working principle is as follows:

during installation, the first filter frame 4, the second filter frame 5 and the third filter frame 6 are overlapped and attached, then the sliding block 7 is inserted in the sliding groove 102 in an aligning mode, the sliding block 7 extrudes the spring 3 to shrink, then the third filter frame 6 is pressed to prevent the spring 3 from pushing out the sliding block 7, after the connecting plate 8 is attached to one side of the fixing frame 1, a hand pressing the third filter frame 6 is released, the third filter frame 6 is pressed through the connecting plate 8, and then the inserting rod 9 is inserted into the inserting groove 101 to be fixed;

the air inlet of the air return window faces downwards through the arranged shield cover 10, rainwater in rainy days is prevented from wetting a filter screen in the air return window through the air inlet, larger impurities such as fallen leaves are reduced and adsorbed on the filter screen to block the filter screen, and the entering air is filtered layer by layer through a plurality of filter screens with different meshes arranged in the air return window, so that the primary filtering effect is improved;

during the dismantlement, detain vent 801 on the connecting plate 8, extract the inserted bar 9 in the four corners of connecting plate 8 from the slot 101 in fixed frame 1 four corners, receive extruded spring 3 and can outwards promote slider 7 through the elastic deformation of self, and then with the outside propelling movement of a plurality of filtration frames in fixed frame 1, will filter the frame and take off in proper order from fixed frame 1.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a return air window for air filter, includes fixed frame (1), its characterized in that, one side of fixed frame (1) is fixed with splice box (2), and the inner wall all around of fixed frame (1) is provided with first filter frame (4), one side that splice box (2) were kept away from in first filter frame (4) is provided with second filter frame (5), and one side that splice box (2) were kept away from in second filter frame (5) is provided with third filter frame (6), the opposite side of fixed frame (1) is provided with connecting plate (8), and one side outer wall four corners of connecting plate (8) all is fixed with inserted bar (9), the opposite side outer wall of connecting plate (8) is fixed with fender cover (10) that the equidistance distributes.

2. The return air window for the air filter device according to claim 1, wherein the inner walls of the two sides of the fixing frame (1) are both provided with sliding grooves (102), and the two sides of the outer wall of one side of the connecting frame (2) close to the fixing frame (1) are both fixed with springs (3), and the springs (3) are positioned in the sliding grooves (102).

3. The return air window for the air filtering device according to claim 2, wherein the outer walls of the two sides of the first filtering frame (4), the second filtering frame (5) and the third filtering frame (6) are respectively fixed with a sliding block (7), and the sliding blocks (7) are matched with the sliding grooves (102).

4. The return air window for the air filter device according to claim 1, wherein the inner walls of the first filter frame (4), the second filter frame (5) and the third filter frame (6) are all bonded with filter screens, and the meshes of the filter screens are gradually increased.

5. The return air window for the air filtering device according to claim 1, wherein four corners of the outer wall of the other side of the fixing frame (1) are provided with slots (101), and the slots (101) and the insertion rods (9) form an interference fit.

6. The return air window for the air filtering device according to claim 1, wherein the outer wall of one side of the connecting plate (8) is provided with ventilation openings (801) distributed at equal intervals, and the ventilation openings (801) are matched with the shield cover (10).