Purification device of central air conditioner fresh air system

By designing a detachable filter structure, the problem of filter clogging in the purification device of traditional air conditioning fresh air system is solved, and the convenient cleaning of the filter and the improvement of air purification efficiency is achieved.

CN222881309UActive Publication Date: 2025-05-16GUANGDONG NANTONG AIR CONDITIONING ENG CO LTD
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Patent Information

Application Number
CN202421472167.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-25
Publication Date
2025-05-16
Estimated Expiration
2034-06-25

AI Technical Summary

Technical Problem

The filter screen of the traditional air conditioner fresh air system purification device cannot be removed and cleaned, resulting in a blockage of the filter after long-term use and reducing purification efficiency.

Method used

A purification device for a central air conditioning fresh air system is designed. The purification box is equipped with a detachable mounting frame and filter screen. By rotating the set shaft and elastically connected slider, the filter screen is easily removed and cleaned.

Benefits of technology

Through the removable filter design, the problem of filter clogging due to dust accumulation is avoided, the service life of the purification device is extended, and the air purification efficiency is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a purification device of a central air conditioner fresh air system, and relates to the technical field of air conditioner purification devices. Comprising a purification box, a plurality of installation grooves penetrating through the purification box are formed in the purification box, installation frames are detachably arranged in the installation grooves, filter screens are fixedly installed in the installation frames, clamping grooves are formed in the bottom ends of the installation grooves, clamping blocks matched with the clamping grooves are symmetrically arranged at the bottom ends of the installation frames, and insertion rods are fixedly installed on one sides of sliding blocks. An inserting groove is formed in the side, facing the through groove, of the clamping block, a support is rotationally connected to the interior of the circular groove, first magnetic blocks are fixedly installed on the two sides of the support, and a second magnetic block is fixedly installed on the other side of the sliding block; a support is rotated by 90 degrees anticlockwise through a rotating shaft arranged in a rotating mode, a sliding block pulls an insertion rod out of an insertion groove in one side of a clamping block under the action of an elastic piece, then a filter screen can be taken out of the interior of the purification box to be cleaned, and the situation that much dust is accumulated on the filter screen, so that the filter screen is blocked, and the purification effect is affected is prevented.
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Description

Technical Field

[0001] The utility model relates to the technical field of air conditioning purification devices, in particular to a purification device for a central air conditioning fresh air system. Background Art

[0002] The fresh air system is an independent air treatment system consisting of an air supply system and an exhaust system. It is divided into two types: ducted fresh air system and ductless fresh air system. The ducted fresh air system consists of a fresh air fan and duct accessories. The fresh air fan purifies the outdoor air and introduces it into the room, and exhausts the indoor air through the duct.

[0003] After long-term use, a lot of dust will accumulate on the surface of the internal filter of the air-conditioning fresh air system purification device, which will cause the filter to be blocked. The internal filter of the traditional air-conditioning fresh air system purification device is fixed and cannot be removed for cleaning, resulting in a gradual decrease in purification efficiency. In view of the above problems, a purification device for a central air-conditioning fresh air system is proposed to solve the above problems. Utility Model Content

[0004] In order to solve the above problems, the purpose of the utility model is to provide a purification device for a central air-conditioning fresh air system.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a purification device for a central air conditioning fresh air system, comprising a purification box, a plurality of installation slots penetrating the purification box are provided inside the purification box, a mounting frame is detachably provided inside the installation slot, a filter is fixedly installed inside the mounting frame, a card slot is provided at the bottom end of the installation slot, a card block adapted to the card slot is symmetrically provided at the bottom end of the mounting frame, and a circular slot is provided at the bottom end of the purification box between two adjacent card slots;

[0006] A through groove is provided between the card slot and the circular groove, a slider is elastically connected inside the through groove, an insertion rod is fixedly installed on one side of the slider, a slot is provided on the side of the card block facing the through groove, a bracket is rotatably connected inside the circular groove, first magnetic blocks are fixedly installed on both sides of the bracket, and a second magnetic block is fixedly installed on the other side of the slider.

[0007] Preferably, the first magnetic block and the second magnetic block are of the same polarity, and a repulsive force is generated between the first magnetic block and the second magnetic block.

[0008] Preferably, the repulsive force between the first magnetic block and the second magnetic block is greater than the elastic force when the slider is elastically connected.

[0009] Preferably, a third magnetic block is fixedly mounted on the top of the circular groove, and the first magnetic block and the third magnetic block are of opposite polarity.

[0010] Preferably, the bottom end of the purification box is rotatably connected with three sets of rotating shafts extending into the inside of the circular groove and connected to the bracket.

[0011] Preferably, a handle is fixedly installed at the center position of the top end of the mounting frame, an air inlet pipe is provided on one side of the purification box, and an air outlet pipe is provided on the other side of the purification box.

[0012] Preferably, the rotation angle of the bracket is 90° counterclockwise or clockwise, and the width of the filter is smaller than the width of the mounting frame.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The rotating shaft is rotated to rotate the bracket counterclockwise by 90°. Under the action of the elastic member, the slider pulls the plug rod out of the slot on one side of the block, and the filter can be taken out from the inside of the purification box for cleaning, so as to prevent the filter from accumulating too much dust and causing clogging of the filter, thereby affecting the purification effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a bottom view of the utility model;

[0018] Figure 3 This is a cross-sectional view of the utility model;

[0019] Figure 4 This paper uses a new type of local structure cross-sectional view.

[0020] In the figure: 1. purification box; 2. air inlet pipe; 3. air outlet pipe; 4. mounting frame; 5. block; 6. slot; 7. handle; 8. circular slot; 9. through slot; 10. bracket; 11. first magnetic block; 13. plug rod; 14. slider; 15. second magnetic block; 16. third magnetic block; 17. rotating shaft; 18. filter. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example: Figure 1-Figure 4 As shown, the utility model provides a purification device for a central air conditioning fresh air system, including a purification box 1, wherein a plurality of installation slots penetrating the purification box 1 are provided inside the purification box 1, a mounting frame 4 is detachably provided inside the mounting slot, the mounting frame 4 can be installed or disassembled inside the mounting slot, a filter 18 is fixedly installed inside the mounting frame 4, and the filter 18 filters dust and other impurities in the air, a card slot is provided at the bottom end of the mounting slot, a card block 5 adapted to the card slot is symmetrically provided at the bottom end of the mounting frame 4, and when the mounting frame 4 is fully inserted into the mounting slot, the card block 5 is also inserted into the slot, and a circular slot 8 is provided at the bottom end of the purification box 1 between two adjacent card slots;

[0023] A through slot 9 is provided between the card slot and the circular slot 8, and a slider 14 is elastically connected inside the through slot 9, and a plug rod 13 is fixedly installed on one side of the slider 14. When the filter 18 needs to be removed, the rotating shaft 17 is rotated to rotate the bracket 10 90° counterclockwise. At this time, the lateral repulsion between the first magnetic block 11 and the second magnetic block 15 disappears. Under the action of the elastic force of the elastic member, the slider 14 is accompanied by the plug rod 13 and pulled out from the slot 6 on one side of the card block 5, so that the filter 18 can be pulled out from the inside of the purification box 1 for cleaning. The card block 5 has a slot 6 on the side facing the through slot 9, and the internal rotation connection of the circular slot 8 There is a bracket 10, the rotation angle of the bracket 10 is 90° counterclockwise or clockwise, the width of the filter 18 is smaller than the width of the mounting frame 4, the bottom end of the purification box 1 is rotatably connected with three groups of rotating shafts 17 extending into the circular groove 8 and connected to the bracket 10, both sides of the bracket 10 are fixedly installed with a first magnetic block 11, and the other side of the slider 14 is fixedly installed with a second magnetic block 15, the first magnetic block 11 and the second magnetic block 15 are of the same sex, and a repulsive force is generated between the first magnetic block 11 and the second magnetic block 15, and the repulsive force between the first magnetic block 11 and the second magnetic block 15 is greater than the elastic force when the slider 14 is elastically connected.

[0024] A third magnetic block 16 is fixedly mounted on the top of the circular groove 8 , and the first magnetic block 11 and the third magnetic block 16 are of opposite polarity.

[0025] When the first magnetic block 11 is perpendicular to the second magnetic block 15 , the third magnetic block 16 is also perpendicular to the first magnetic block 11 , and an attractive force is generated between the first magnetic block 11 and the third magnetic block 16 to prevent the bracket 10 from rotating.

[0026] A handle 7 is fixedly mounted at the center position of the top of the mounting frame 4 . An air inlet pipe 2 is disposed on one side of the purification box 1 , and an air outlet pipe 3 is disposed on the other side of the purification box 1 .

[0027] The handle 7 is provided to facilitate the removal of the mounting bracket 4 from the mounting groove, and the gas enters the interior of the purification box 1 through the air inlet pipe 2 for purification, and then is discharged through the air outlet pipe 3.

[0028] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A purification device for a central air conditioning fresh air system, comprising a purification box (1), characterized in that: The purification box (1) is provided with a plurality of installation slots penetrating the purification box (1), the installation slots are provided with a detachable installation frame (4), a filter screen (18) is fixedly installed inside the installation frame (4), a card slot is provided at the bottom end of the installation slot, a card block (5) adapted to the card slot is symmetrically provided at the bottom end of the installation frame (4), and a circular slot (8) is provided at the bottom end of the purification box (1) between two adjacent card slots; A through groove (9) is provided between the clamping groove and the circular groove (8), a slider (14) is elastically connected inside the through groove (9), a plug rod (13) is fixedly installed on one side of the slider (14), a slot (6) is provided on the side of the clamping block (5) facing the through groove (9), a bracket (10) is rotatably connected inside the circular groove (8), first magnetic blocks (11) are fixedly installed on both sides of the bracket (10), and a second magnetic block (15) is fixedly installed on the other side of the slider (14).

2. A purification device for a central air conditioning fresh air system as claimed in claim 1, characterized in that: The first magnetic block (11) and the second magnetic block (15) are of the same polarity, and a repulsive force is generated between the first magnetic block (11) and the second magnetic block (15).

3. A purification device for a central air conditioning fresh air system as claimed in claim 2, characterized in that: The repulsive force between the first magnetic block (11) and the second magnetic block (15) is greater than the elastic force of the slider (14) when it is elastically connected.

4. A purification device for a central air conditioning fresh air system as claimed in claim 3, characterized in that: A third magnetic block (16) is fixedly mounted on the top end of the circular groove (8), and the first magnetic block (11) and the third magnetic block (16) are of opposite polarity.

5. A purification device for a central air conditioning fresh air system as claimed in claim 4, characterized in that: The bottom end of the purification box (1) is rotatably connected to three groups of rotating shafts (17) extending into the inside of the circular groove (8) and connected to the bracket (10).

6. A purification device for a central air conditioning fresh air system as claimed in claim 1, characterized in that: A handle (7) is fixedly mounted at the center position of the top end of the mounting frame (4); an air inlet pipe (2) is provided on one side of the purification box (1); and an air outlet pipe (3) is provided on the other side of the purification box (1).

7. A purification device for a central air conditioning fresh air system as claimed in claim 1, characterized in that: The rotation angle of the bracket (10) is 90° counterclockwise or clockwise, and the width of the filter screen (18) is smaller than the width of the mounting frame (4).