Air purification filter screen convenient to replace

Abstract

The utility model relates to the technical field of air purification equipment, in particular to an air purification filter screen convenient to replace, which comprises a purification box shell, a mounting plate is tightly attached to the left side of the purification box shell, insertion holes are formed in the opposite sides of two butt joint plates, and positioning insertion columns are fixedly connected to the opposite ends of the two connection plates. The sides, opposite to the two connecting plates, of the upper end and the lower end of the mounting plate are fixedly connected with tension springs connected to the outer walls of the positioning inserting columns in a sleeving mode. A coarse filter screen, a fine filter screen, an activated carbon filter screen and an HEPA filter screen are sequentially and fixedly connected into four mounting frames distributed from left to right, and the upper ends and the lower ends of the four mounting frames are fixedly connected with inserting plates matched with the inserting grooves. And therefore, the coarse filter screen, the fine filter screen, the activated carbon filter screen and the HEPA filter screen can be conveniently taken out and detached from the interior of the purification box shell at the same time, and the efficiency of replacing and cleaning the coarse filter screen, the fine filter screen, the activated carbon filter screen and the HEPA filter screen is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air purification equipment, in particular to an air purification filter screen which is easy to replace. Background Art

[0002] At present, urban air pollution is becoming increasingly serious, which makes it impossible for residents to open windows for ventilation or use ventilation fans when they are indoors, otherwise a large amount of outdoor air will flow in and cause indoor air pollution. If the airtightness of the room is improved, after people's long-term activities, especially when resting at night, the indoor air quality will deteriorate sharply, the carbon dioxide concentration will increase, and the oxygen content will decrease, thus affecting human health, especially for the elderly, children and patients. As a result, a variety of air purifiers have been produced, which can circulate and purify the indoor air, which is conducive to improving the indoor air quality.

[0003] At present, in an air purification box, a coarse filter, a fine filter, an activated carbon filter and a HEPA filter are arranged in sequence to purify and filter the air. However, when replacing and cleaning the filters, the coarse filter, the fine filter, the activated carbon filter and the HEPA filter need to be disassembled and taken out of the purification box in sequence by connecting with screws, which causes inconvenience in replacing and cleaning the filters. Therefore, it is necessary to propose an air purification filter that is easy to replace to solve the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to provide an air purification filter that is easy to replace, which has the characteristics of being easy to take out and disassemble the coarse filter, fine filter, activated carbon filter and HEPA filter from the purification box shell at the same time, thereby improving the efficiency of replacing and cleaning the coarse filter, fine filter, activated carbon filter and HEPA filter.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an air purification filter that is easy to replace, comprising a purification box shell, the right side of the purification box shell is connected to an air outlet pipe, the left side of the purification box shell is tightly fitted with a mounting plate, the left middle part of the mounting plate is connected to an air inlet pipe, the upper and lower ends of the right side of the mounting plate are provided with grooves, the interiors of the two grooves are provided with docking plates fixedly connected to the left side of the purification box shell, the two docking plates are provided with jacks on the opposite sides, the upper and lower sides of the mounting plate are provided with connecting plates, the opposite ends of the two connecting plates are fixedly connected with pull rings, the opposite ends of the two connecting plates are fixedly connected with positioning pins that penetrate the mounting plate and extend into the jacks, and the upper and lower ends of the mounting plate are respectively fixedly connected to the opposite sides of the two connecting plates with tension springs sleeved on the outer walls of the positioning pins;

[0006] The right side of the mounting plate is fixedly connected to a positioning plate that fits tightly with the upper and lower sides of the inner shell of the purification box, four slots are opened on the opposite sides of the two positioning plates, four mounting frames are arranged between the two positioning plates, and the four mounting frames distributed from left to right are fixedly connected to the inside with a coarse filter, a fine filter, an activated carbon filter and a HEPA filter in sequence, and the upper and lower ends of the four mounting frames are fixedly connected with plug plates that match the slots.

[0007] In order to facilitate pulling the mounting plate to the left to separate it from the purification box shell, as a preferred air purification filter that is easy to replace in the utility model, a second pulling groove located above the air inlet pipe is opened on the left side of the mounting plate.

[0008] In order to facilitate pulling the installation frame out from between the two positioning plates, as a preferred embodiment of the utility model for an easily replaceable air purification filter, the front end surfaces of the four installation frames are each provided with a first pulling groove.

[0009] In order to facilitate the rapid insertion of the two positioning pins into the two insertion holes, as a preferred embodiment of the utility model for an easily replaceable air purification filter, the opposite ends of the two positioning pins are both hemispherical.

[0010] In order to prevent air from flowing to the right through the gaps between the four mounting frames, the two positioning plates and the purification box shell, as an easily replaceable air purification filter of the utility model, the depths of the four mounting frames, the two positioning plates and the purification box shell are the same.

[0011] In order to prevent the hands from slipping against the two pull rings, as a preferred embodiment of the utility model for an easily replaceable air purification filter, the outer walls of the two pull rings are fixedly connected with anti-slip grooves.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] When the utility model replaces and cleans the coarse filter, fine filter, activated carbon filter and HEPA filter, hold the two pull rings and pull the pull rings to opposite sides, the two connecting plates drive the two positioning plug posts to move out of the plug holes, pull the mounting plate to the left, the two docking plates move out of the grooves, the mounting plate drives the two positioning plates to move to the left until the two positioning plates move out of the purification box shell, pull the corresponding mounting frame forward, and the two plug plates connected to the mounting frame move out of the slots, replace the corresponding filter, and replace and clean the coarse filter, fine filter, activated carbon filter and HEPA filter in turn. After replacement and cleaning, the above steps are reversed to complete the installation, which makes it convenient to take out and disassemble the coarse filter, fine filter, activated carbon filter and HEPA filter from the purification box shell at the same time, thereby improving the efficiency of replacing and cleaning the coarse filter, fine filter, activated carbon filter and HEPA filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the overall structure diagram of the utility model;

[0015] Figure 2 It is an overall cross-sectional view of the utility model;

[0016] Figure 3 For the utility model Figure 2 Enlarged view of point A in the middle;

[0017] Figure 4 This is a structural diagram of the installation frame of the utility model.

[0018] In the figure: 1. Purification box shell; 101. Exhaust pipe; 102. Docking plate; 103. Socket; 2. Mounting plate; 201. Inlet pipe; 202. Positioning plate; 203. Slot; 204. Insertion plate; 205. Mounting frame; 2051. First groove; 206. Groove; 207. Second groove; 3. Coarse filter; 301. Fine filter; 302. Activated carbon filter; 303. HEPA filter; 4. Connecting plate; 401. Pull ring; 402. Tension spring; 403. Positioning plug. DETAILED DESCRIPTION

[0019] See also Figures 1 to 4, an air purification filter that is easy to replace, includes a purification box shell 1, the right side of the purification box shell 1 is connected with an outlet pipe 101, the left side of the purification box shell 1 is tightly fitted with a mounting plate 2, the left middle part of the mounting plate 2 is connected with an air inlet pipe 201, the upper and lower ends of the right side of the mounting plate 2 are provided with grooves 206, the interiors of the two grooves 206 are provided with docking plates 102 fixedly connected to the left side of the purification box shell 1, the two docking plates 102 are provided with sockets 103 on the opposite sides, the upper and lower sides of the mounting plate 2 are provided with connecting plates 4, the opposite ends of the two connecting plates 4 are fixedly connected with pull rings 401, the opposite ends of the two connecting plates 4 are fixedly connected with positioning pins 403 that penetrate the mounting plate 2 and extend into the socket 103, and the upper and lower ends of the mounting plate 2 are respectively fixedly connected with tension springs 402 sleeved on the outer walls of the positioning pins 403 on the opposite sides of the two connecting plates 4;

[0020] The right side of the mounting plate 2 is fixedly connected with a positioning plate 202 which fits tightly with the upper and lower sides of the interior of the purification box shell 1. Four slots 203 are provided on the opposite sides of the two positioning plates 202. Four mounting frames 205 are arranged between the two positioning plates 202. The four mounting frames 205 distributed from left to right are fixedly connected with a coarse filter 3, a fine filter 301, an activated carbon filter 302 and a HEPA filter 303 in sequence. The upper and lower ends of the four mounting frames 205 are fixedly connected with plug plates 204 which match the slots 203.

[0021] In this embodiment: when replacing and cleaning the coarse filter 3, the fine filter 301, the activated carbon filter 302 and the HEPA filter 303, hold the two pull rings 401 and pull the pull rings 401 to the opposite side, the two connecting plates 4 drive the two positioning pins 403 to move out of the sockets 103, pull the mounting plate 2 to the left, the two docking plates 102 move out of the grooves 206, the mounting plate 2 drives the two positioning plates 202 to move to the left until the two positioning plates 202 move out of the purification box housing 1, pull the corresponding mounting frame 205 forward, and the two connected to the mounting frame 205 are The plug plate 204 is removed from the slot 203, and the corresponding filter is replaced. The coarse filter 3, the fine filter 301, the activated carbon filter 302 and the HEPA filter 303 are replaced and cleaned in turn. After replacement and cleaning, the above steps are reversed to complete the installation, so that the coarse filter 3, the fine filter 301, the activated carbon filter 302 and the HEPA filter 303 can be removed and disassembled from the purification box shell 1 at the same time, thereby improving the efficiency of replacing and cleaning the coarse filter 3, the fine filter 301, the activated carbon filter 302 and the HEPA filter 303.

[0022] As a technical optimization solution of the present invention, a second groove 207 located above the air inlet pipe 201 is opened on the left side of the mounting plate 2 .

[0023] In this embodiment, the second pull groove 207 facilitates the installation plate 2 to be pulled to the left and separated from the purification box housing 1 .

[0024] As a technical optimization solution of the present invention, the front end surfaces of the four installation frames 205 are all provided with first grooves 2051 .

[0025] In this embodiment, the first pulling groove 2051 facilitates the installation frame 205 to be pulled out from between the two positioning plates 202 .

[0026] As a technical optimization solution of the present invention, the opposite ends of the two positioning pins 403 are both hemispherical.

[0027] In this embodiment, the two positioning pins 403 have opposite ends in a hemispherical shape, so that the two positioning pins 403 can be quickly inserted into the two insertion holes 103 .

[0028] As a technical optimization solution of the present invention, the four installation frames 205, the two positioning plates 202 and the purification box housing 1 have the same depth.

[0029] In this embodiment, the four installation frames 205 , the two positioning plates 202 and the purification box housing 1 have the same depth, thereby preventing air from flowing to the right through the gaps between the four installation frames 205 , the two positioning plates 202 and the purification box housing 1 .

[0030] As a technical optimization solution of the present invention, the outer walls of the two pull rings 401 are fixedly connected with anti-slip grooves.

[0031] In this embodiment, the anti-slip grooves are used to prevent the hands and the two pull rings 401 from slipping.

[0032] Working principle: When replacing and cleaning the coarse filter 3, the fine filter 301, the activated carbon filter 302 and the HEPA filter 303, hold the two pull rings 401 and pull the pull rings 401 to the opposite side, the two connecting plates 4 drive the two positioning pins 403 to move out of the socket 103, and pull the mounting plate 2 to the left through the second pull groove 207, the two docking plates 102 move out of the groove 206, the mounting plate 2 drives the two positioning plates 202 to move to the left until the two positioning plates 202 move out of the purification box shell 1, and pull the corresponding mounting frame 205 forward through the first pull groove 2051, and the two plug plates 204 connected to the mounting frame 205 move out of the slot 203, replace the corresponding filter, and replace and clean the coarse filter 3, the fine filter 301, the activated carbon filter 302 and the HEPA filter 303 in turn. After replacement and cleaning, reverse the above steps to complete the installation.

[0033] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An air purification filter that is easy to replace, comprising a purification box housing (1), wherein the right side of the purification box housing (1) is connected to an air outlet pipe (101), characterized in that: The left side of the purification box shell (1) is tightly fitted with a mounting plate (2), and the middle part of the left side of the mounting plate (2) is connected to an air intake pipe (201). The upper and lower ends of the right side of the mounting plate (2) are provided with grooves (206), and the interiors of the two grooves (206) are provided with docking plates (102) fixedly connected to the left side of the purification box shell (1). The two docking plates (102) are provided with plug holes (103) on the opposite sides. The upper and lower sides of the mounting plate (2) are provided with connecting plates (4), and the opposite ends of the two connecting plates (4) are fixedly connected with pull rings (401). The opposite ends of the two connecting plates (4) are fixedly connected with positioning pins (403) that penetrate the mounting plate (2) and extend into the plug hole (103). The upper and lower ends of the mounting plate (2) are respectively fixedly connected with tension springs (402) sleeved on the outer wall of the positioning pins (403) on the opposite sides of the two connecting plates (4). The right side of the mounting plate (2) is fixedly connected with a positioning plate (202) which is tightly fitted with the upper and lower sides of the interior of the purification box shell (1); four slots (203) are provided on opposite sides of the two positioning plates (202); four mounting frames (205) are arranged between the two positioning plates (202); the interiors of the four mounting frames (205) distributed from left to right are fixedly connected with a coarse filter (3), a fine filter (301), an activated carbon filter (302) and a HEPA filter (303) in sequence; and the upper and lower ends of the four mounting frames (205) are fixedly connected with plug plates (204) which match the slots (203).

2. The easily replaceable air purification filter according to claim 1, characterized in that: A second groove (207) located above the air inlet pipe (201) is provided on the left side of the mounting plate (2).

3. The easily replaceable air purification filter according to claim 1, characterized in that: The front end surfaces of the four installation frames (205) are each provided with a first groove (2051).

4. The easily replaceable air purification filter according to claim 1, characterized in that: The opposite ends of the two positioning pins (403) are both hemispherical.

5. The easily replaceable air purification filter according to claim 1, characterized in that: The four installation frames (205), the two positioning plates (202) and the purification box housing (1) have the same depth.

6. The easily replaceable air purification filter according to claim 1, characterized in that: The outer walls of the two pull rings (401) are fixedly connected with anti-slip grooves.

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