CN216677448U

CN216677448U - Primary filter with multi-stage air filtering structure

Info

Publication number: CN216677448U
Application number: CN202220077546.7U
Authority: CN
Inventors: 张雪林
Original assignee: Suzhou Efaitai Purification Technology Co ltd
Current assignee: Suzhou Efaitai Purification Technology Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-06-07
Anticipated expiration: 2032-01-13

Abstract

The utility model provides a primary filter with a multi-stage air filtering structure, which comprises a mounting frame, wherein the bottom of the mounting frame is provided with a mounting rack, the top of the mounting rack is connected with a metal filter screen in a clamping way, the middle part of the mounting rack is provided with a corrugated partition sheet in a clamping way, the inner wall of the mounting rack is sequentially provided with a plurality of open slots, a particle filter screen, a formaldehyde filter screen and a filter core are sequentially arranged and installed in the open slots, one side of the mounting rack is provided with a sealing cover, the primary filter with the multi-stage air filtering structure is provided with the particle filter screen, the formaldehyde filter screen and the filter core for filtering air, a dust filter screen for filtering large particles in the air, a glass fiber filter paper for further filtering the air, the air filtering effect is improved, the open slots are provided for storing a limiting frame for positioning the particle filter screen, the formaldehyde filter screen and the filter core, and a limiting column is inserted into a first limiting hole and a second limiting hole, and fixing the limiting frame.

Description

Primary filter with multi-stage air filtering structure

Technical Field

The utility model belongs to the technical field of filters, and particularly relates to a primary filter with a multi-stage air filtering structure.

Background

The primary filter is suitable for primary filtration of air conditioning system, and is mainly used for filtering dust particles with size above 5 μm, and has three types of plate type, folding type and bag type, the outer frame material includes paper frame, aluminum frame and galvanized iron frame, the filtering material includes non-woven fabric, nylon net, active carbon filtering material, metal mesh net, etc., and the protecting net includes double-sided plastic-sprayed wire net and double-sided galvanized wire net.

When a filter screen in the existing filter is installed, sealant needs to be added to fix the filter screen, the sealant needs to be waited for drying and solidifying after the sealant is coated, and the filter screen is not easy to position in the solidification process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a primary filter with a multi-stage air filtering structure, and aims to solve the problems that in the prior art, when a filter screen in the filter is installed, a sealant needs to be added to fix the filter screen, after the sealant is coated, the sealant needs to be waited for drying and solidification, and the filter screen is not easy to position in the solidification process.

In order to achieve the purpose, the utility model provides the following technical scheme: including the installing frame, installing frame bottom is equipped with the mounting bracket, installing bracket top block is connected with metal filters, mounting bracket middle part block is equipped with ripple cut-off piece, a plurality of fluting, a plurality of have been seted up in proper order to the mounting bracket inner wall arrange in proper order in the fluting and install particle filter, formaldehyde filter screen and cross the filter core, sealed lid is all installed on one side of the mounting bracket.

In order to guide the air flow, as a preferred primary filter with a multi-stage air filtering structure according to the present invention, a drainage frame is disposed on the top of the inner wall of the mounting frame, and a plurality of drainage plates are disposed in the drainage frame.

In order to filter the outside polluted air, the primary filter with the multi-stage air filtering structure is preferably provided with limiting frames on the outer walls of the particle filtering net, the formaldehyde filtering net and the filter element, and the limiting frames are connected in the slots in a sliding manner.

In order to position the limiting frame, preferably, the primary filter with the multi-stage air filtering structure is provided with a plurality of gel grooves on two side walls of the mounting frame, and the gel grooves correspond to the slotting positions.

In order to fix the limiting frame, the primary filter with the multi-stage air filtering structure is preferably configured such that first limiting holes are formed in two sides of the inner wall of the gel groove, second limiting holes are formed in the two sides of the inner wall of the gel groove corresponding to the first limiting holes, and limiting columns are inserted and connected between the first limiting holes and the second limiting holes.

In order to reduce the emission of dust particles in the air, it is preferable that the primary filter with a multi-stage air filtering structure of the present invention is provided with a dust filter screen on the top and a glass fiber filter paper on the bottom.

In order to reduce harmful substances in the air, it is preferable that the formaldehyde filter screen is embedded with an activated carbon plate at the bottom thereof as a primary filter having a multi-stage air filtering structure according to the present invention.

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

1) the air is filtered through the particle filter screen, the formaldehyde filter screen and the filter element, the dust filter screen filters large particles in the air, the glass fiber filter paper further filters the air, the air filtering effect is improved, the activated carbon plate absorbs moisture in the air, and the formaldehyde filter screen is prevented from being damped;

2) deposit spacing frame through the fluting that is equipped with, fix a position granule filter screen, formaldehyde filter screen, filter element, through inserting first spacing hole and the spacing hole of second with spacing post, fix spacing frame, paint the gel in the gel groove, the spacing frame of being convenient for is fixed, makes granule filter screen, formaldehyde filter screen and filter element install.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

FIG. 2 is a schematic structural diagram of the present invention;

FIG. 3 is a schematic view of the particle filter screen of the present invention;

FIG. 4 is a schematic view of the structure of the formaldehyde filter screen of the present invention.

In the figure: 1. installing a frame; 2. a mounting frame; 3. a metal filter screen; 4. dividing the corrugated sheet into pieces; 5. grooving; 6. a particle filter screen; 61. a dust filter screen; 62. glass fiber filter paper; 7. a formaldehyde filter screen; 71. an activated carbon plate; 8. a filter element; 9. a sealing cover; 10. a drainage frame; 11. a drainage plate; 12. a limiting frame; 13. a gel tank; 14. a first limit hole; 15. a second limiting hole; 16. a limiting column.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a primary filter with multistage formula air filter structure, includes installing

frame

1, and 1 bottom of installing frame is equipped with

mounting bracket

2, and 2 top blocks of mounting bracket are connected with

metal filters

3, and 2 middle part blocks of mounting bracket are equipped with ripple cut-off piece 4, and a plurality of fluting 5 has been seted up in proper order to 2 inner walls of mounting bracket, arranges in proper order in a plurality of fluting 5 and installs particle filter screen 6, formaldehyde filter screen 7 and cross filter core 8, and sealed lid 9 is installed to 2 side-mounting of mounting bracket.

Preferably: the top of the inner wall of the mounting frame 2 is provided with a drainage frame 10, and a plurality of drainage plates 11 are arranged inside the drainage frame 10.

During the specific use, when the air flows through drainage frame 10, the air carries out the drainage through drainage plate 11, improves the filtration degree.

Preferably: particle filter screen 6, formaldehyde filter screen 7 and filter element 8 outer wall all are equipped with spacing frame 12, and spacing frame 12 sliding connection is in fluting 5.

When the air purifier is used specifically, the formaldehyde filter screen 7 filters toxic and harmful substances in the air, the particle filter screen 6 filters dust particles in the air, and the filter element 8 improves the air purification rate.

Preferably: a plurality of gel grooves 13 are formed in two side walls of the mounting frame 2, and the gel grooves 13 correspond to the slots 5.

When the device is used specifically, in the process of installing the particle filter screen 6, the formaldehyde filter screen 7 and the filter element 8, the limiting frame 12 is inserted into the inner surface of the slot 5 to position the particle filter screen 6, the formaldehyde filter screen 7 and the filter element 8.

Preferably: first limiting holes 14 are formed in two sides of the inner wall of the gel groove 13, second limiting holes 15 are formed in two sides of the inner wall corresponding to the first limiting holes 14, and limiting columns 16 are connected between the first limiting holes 14 and the second limiting holes 15 in an inserting mode.

When the gel fixing device is used specifically, the limiting column 16 is inserted into the first limiting hole 14 and the second limiting hole 15, the limiting frame 12 is fixed, gel is smeared in the gel groove 13, and the limiting frame 12 is convenient to fix.

Preferably: the top of the particle filter screen 6 is provided with a dust filter screen 61, and the bottom of the particle filter screen 6 is composed of glass fiber filter paper 62.

During the specific use, the dust filter screen 61 filters the large granule in the air, and glass fiber filter paper 62 further filters the air, improves the air filtration effect.

Preferably: the bottom of the formaldehyde filter screen 7 is embedded with an active carbon plate 71.

When the formaldehyde filter screen is used specifically, the activated carbon plate 71 absorbs moisture in the air, and the formaldehyde filter screen 7 is prevented from being wetted.

The working principle is as follows: at installation granule filter screen 6, formaldehyde filter screen 7, cross the 8 in-process of filter core, insert 5 inner faces to granule filter screen 6 with spacing frame 12, formaldehyde filter screen 7 and filter core 8 install the location, spacing post 16 inserts first spacing hole 14 and the spacing hole 15 of second this moment, fix spacing frame 12, the gel is paintd in gel groove 13, it is fixed to be convenient for spacing frame 12, the large granule in the dust filter screen 61 filtered air, fine filter paper 62 of glass is further filtered the air, improve the air filter effect, moisture in the active carbon plate 71 absorbed air, avoid formaldehyde filter screen 7 to wet, when the air current crosses drainage frame 10, the air is drained through drainage plate 11, improve the filtration degree.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a elementary formula filter with multistage formula air filter structure, includes installing frame (1), its characterized in that: installing frame (1) bottom is equipped with mounting bracket (2), mounting bracket (2) top block is connected with metal filters (3), mounting bracket (2) middle part block is equipped with ripple cut-off piece (4), a plurality of fluting (5), a plurality of have been seted up in proper order to mounting bracket (2) inner wall arrange in proper order in fluting (5) and install particle filter screen (6), formaldehyde filter screen (7) and filter core (8), mounting bracket (2) one side is equipped with sealed lid (9).

2. The primary filter with a multiple stage air filtration arrangement of claim 1, wherein: the drainage frame (10) is arranged at the top of the inner wall of the mounting frame (2), and a plurality of drainage plates (11) are arranged inside the drainage frame (10).

3. The primary filter with a multiple stage air filtration arrangement of claim 1, wherein: granule filter screen (6), formaldehyde filter screen (7) and cross filter core (8) outer wall and all be equipped with spacing frame (12), spacing frame (12) sliding connection is in fluting (5).

4. The primary filter with a multiple stage air filtration arrangement of claim 1, wherein: a plurality of gel grooves (13) are formed in the two side walls of the mounting frame (2), and the gel grooves (13) correspond to the grooves (5).

5. The primary filter with a multiple stage air filtration arrangement of claim 4, wherein: first spacing hole (14) have been seted up to gel groove (13) inner wall both sides, and both sides correspond first spacing hole (14) department and seted up second spacing hole (15), it is connected with spacing post (16) to alternate between first spacing hole (14) and second spacing hole (15).

6. The primary filter with a multiple stage air filtration arrangement of claim 3, wherein: the top of the particle filter screen (6) is provided with a dust filter screen (61), and the bottom of the particle filter screen (6) is composed of glass fiber filter paper (62).

7. The primary filter with a multiple stage air filtration arrangement of claim 3, wherein: and an activated carbon plate (71) is embedded at the bottom of the formaldehyde filter screen (7).