CN221897950U - Air filter with easy filter element replacement - Google Patents

Abstract

The utility model relates to the technical field of air filters and discloses an air filter convenient for replacing a filter element, which comprises a shell, wherein an air inlet cylinder is fixedly connected to one side of the shell, a fan is installed in the air inlet cylinder, supporting plates are fixedly connected to the inner walls of two sides of the shell, springs are installed at the top ends of the supporting plates, a mounting frame is connected to the inside of the shell in a clamping mode, the bottom ends of the mounting frame are abutted to the top ends of the springs, and an active carbon filter screen and a dust filter screen are installed in the mounting frame. According to the technical scheme, the mounting frame can be limited through the lengthened screw, when the filtering structure needs to be replaced, the lengthened screw can be rotated anticlockwise, so that the lengthened screw is separated from the mounting frame, then the lengthened screw is rotated through the rotating rod, the mounting frame can be ejected out of the shell through the matching spring, and the quick replacement of the activated carbon filter screen and the dust filter screen in the mounting frame is facilitated.

Description

Air filter with easy filter element replacement

Technical Field

The utility model relates to the technical field of air filters, in particular to an air filter with a filter element that is easy to replace.

Background Art

Air filter is a device that captures dust from gas-solid two-phase flow and purifies the gas through the action of porous filter materials. It sends the low-dust air into the room after purification to ensure the process requirements of the clean room and the air cleanliness in the general air-conditioned room.

The patent document with the published announcement number CN215876636U discloses an air filter, including a housing, an exhaust port formed on the top of the housing, an air inlet formed on the side wall of the housing, and a liquid discharge port formed on the bottom of the housing; it also includes a filtering mechanism and an exhaust pipe; the filtering mechanism includes a partition, a cylinder and a filter mesh; the partition is installed in the housing, and the inner cavity of the housing is divided into an upper cavity and a lower cavity; a plurality of first filter holes connecting the upper cavity and the lower cavity are formed on the partition; the air inlet is connected to the upper cavity, and the liquid discharge port is connected to the lower cavity; the cylinder is suspended in the lower cavity through a mounting frame, and a plurality of second filter holes connecting its inner cavity and the lower cavity are formed on the outer wall of the cylinder; the filter mesh is installed in the cylinder; the exhaust pipe is installed on the housing, one end of the exhaust pipe is connected to the exhaust port of the housing, and the other end of the exhaust pipe is connected to the inner cavity of the cylinder through the filter mesh. It has the advantages of good filtering effect, convenient disassembly and assembly, and simple structure. 。

When the above device is in use, it is troublesome to disassemble and replace the filter screen. Therefore, an air filter that is easy to replace the filter element is needed.

Utility Model Content

The utility model aims to provide an air filter which is convenient for replacing the filter element, thereby solving the problems raised in the background technology.

The embodiment of the present application provides an air filter which is easy to replace the filter element, including a shell, one side of the shell is fixedly connected with an air inlet cylinder, the air inlet cylinder is internally installed with a fan, the inner walls of both sides of the shell are fixedly connected with a support plate, the top of the support plate is installed with a spring, the inner part of the shell is snap-connected with an installation frame, the bottom end of the installation frame abuts with the top of the spring, an activated carbon filter and a dust filter are installed inside the installation frame, the dust filter is located below the activated carbon filter, a rotating rod is installed at the top of the shell, one side of the rotating rod is fixedly connected with a fixing block, the fixing block is threaded with an extension screw, the bottom end of the extension screw abuts with the installation frame, and a dust box is placed at the inner bottom of the shell.

By adopting the above technical solution, the installation frame can be limited by the extension screw. When the filter structure needs to be replaced, the extension screw can be rotated counterclockwise to separate the extension screw from the installation frame, and then the extension screw can be rotated by the rotating rod. The installation frame can be popped out from the inside of the shell with the spring, which is conducive to the quick replacement of the activated carbon filter and the dust filter inside the installation frame.

Optionally, connecting rods are fixedly connected to both sides of the extension screw.

By adopting the above technical solution, the lengthened screw rod can be more flexibly rotated manually through the connecting rod.

Optionally, the extended screw is fixedly connected to an anti-sliding block on one end surface of the mounting frame.

By adopting the above technical solution, it is helpful to increase the contact area between the lengthened screw and the installation frame, thereby improving the installation stability of the installation frame.

Optionally, universal self-locking wheels are fixedly connected to the four corners of the bottom end of the shell.

By adopting the above technical solution, the flexibility of equipment movement can be improved through the universal self-locking wheels.

Optionally, hidden grooves are provided on both side outer walls of the installation frame, and bolts are installed inside the installation frame based on the hidden grooves, and two of the bolts are respectively threadedly connected to the activated carbon filter and the dust filter.

The adoption of the technical solution is conducive to the disassembly and assembly of the activated carbon filter and the dust filter.

Optionally, the front wall of the shell is rotatably connected to a movable door via a rotating shaft.

By adopting the above technical solution, the front wall of the shell can be opened through the movable door to replace the dust box.

Optionally, a handle is fixedly connected to the front wall of the dust box.

By adopting the above technical solution, it is more convenient to take out the dust box.

Optionally, the top of the shell is opened.

The adoption of the technical solution is conducive to the discharge of purified air.

Compared with the prior art, the technical solution of this application has the following beneficial effects:

The technical solution of the present application can limit the installation frame by extending the screw. When the filter structure needs to be replaced, the extension screw can be rotated counterclockwise to separate the extension screw from the installation frame, and then the extension screw can be rotated by the rotating rod. With the help of the spring, the installation frame can be popped out from the inside of the shell, which is conducive to the quick replacement of the activated carbon filter and the dust filter inside the installation frame.

BRIEF DESCRIPTION OF THE DRAWINGS

Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

FIG1 is a schematic diagram of the internal structure of an air filter that is convenient for replacing a filter element according to the utility model;

FIG2 is a schematic diagram of the overall structure of an air filter that is convenient for replacing a filter element according to the present invention;

FIG3 is an enlarged schematic diagram of the structure of region A of an air filter that facilitates filter element replacement according to the utility model;

FIG. 4 is a schematic diagram of the internal structure of a mounting frame of an air filter for facilitating replacement of a filter element according to the present invention.

In the figure: 1. air inlet; 2. fan; 3. dust box; 4. handle; 5. universal self-locking wheel; 6. housing; 7. support plate; 8. spring; 9. mounting frame; 10. extension screw; 11. connecting rod; 12. rotating rod; 13. anti-sliding block; 14. fixing block; 15. activated carbon filter; 16. dust filter; 17. bolt; 18. hidden slot; 19. movable door.

DETAILED DESCRIPTION

Please refer to Figures 1-4. The utility model provides a technical solution: an air filter that is easy to replace the filter element, including a shell body 6, one side of the shell body 6 is fixedly connected with an air inlet cylinder 1, the air inlet cylinder 1 is installed with a fan 2, the inner walls of both sides of the shell body 6 are fixedly connected with support plates 7, the top of the support plate 7 is installed with a spring 8, the inside of the shell body 6 is snap-connected with a mounting frame 9, the bottom end of the mounting frame 9 abuts against the top of the spring 8, an activated carbon filter 15 and a dust filter 16 are installed inside the mounting frame 9, and the dust filter 16 is located below the activated carbon filter 15, a rotating rod 12 is installed at the top of the shell body 6, and one side of the rotating rod 12 is fixedly connected with a fixing block 14, the fixing block 14 is threaded with an extension screw 10, the bottom end of the extension screw 10 abuts against the mounting frame 9, and a dust box 3 is placed at the bottom end of the shell body 6.

In the technical solution of the present utility model, as shown in FIG. 3 , connecting rods 11 are fixedly connected to both sides of the lengthened screw rod 10 ; the lengthened screw rod 10 can be manually rotated more flexibly through the connecting rods 11 without the aid of tools.

In the technical solution of the present utility model, as shown in FIG. 3 , an anti-sliding block 13 is fixedly connected to one end surface of the extension screw 10 located at the installation frame 9 ; this is beneficial to increase the contact area between the extension screw 10 and the installation frame 9 , thereby improving the installation stability of the installation frame 9 .

In the technical solution of the present utility model, as shown in FIG. 1 , the four corners of the bottom end of the housing 6 are fixedly connected with universal self-locking wheels 5 ; the universal self-locking wheels 5 can improve the flexibility of the movement of the device.

In the technical solution of the present utility model, as shown in Figure 4, hidden grooves 18 are provided on the outer walls on both sides of the installation frame 9, and bolts 17 are installed inside the installation frame 9 based on the hidden grooves 18. The two bolts 17 are threadedly connected to the activated carbon filter 15 and the dust filter 16 respectively; this is conducive to the disassembly and assembly of the activated carbon filter 15 and the dust filter 16.

In the technical solution of the present utility model, as shown in FIG. 2 , the front wall of the shell 6 is rotatably connected to a movable door 19 via a rotating shaft; the front wall of the shell 6 can be opened through the movable door 19 to replace the dust box 3 .

In the technical solution of the present utility model, as shown in FIG. 2 , a handle 4 is fixedly connected to the front wall of the dust box 3 , which is more conducive to taking out the dust box 3 .

In the technical solution of the present utility model, as shown in FIG. 1 , the top of the shell 6 is provided with an opening, which is conducive to the discharge of purified air.

When in use, first start the fan 2 through the external power switch. The fan 2 can quickly suck the external air into the shell 6, and the activated carbon filter 15 and the dust filter 16 complete the filtering and purification of the air. The purified air is discharged through the opening at the top of the shell 6. When the activated carbon filter 15 and the dust filter 16 need to be replaced, the extension screw 10 can be rotated counterclockwise to separate the extension screw 10 from the installation frame 9, and then the extension screw 10 is rotated by the rotating rod 12. After adjusting the position of the extension screw 10, the spring 8 can be used to pop out the installation frame 9 from the inside of the shell 6, which is conducive to the quick replacement of the activated carbon filter 15 and the dust filter 16 inside the installation frame 6.

The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims (8)

1. An air filter for facilitating replacement of a filter element, characterized in that: it comprises a housing (6), one side of the housing (6) is fixedly connected to an air inlet cylinder (1), a fan (2) is installed inside the air inlet cylinder (1), both inner walls of the housing (6) are fixedly connected to support plates (7), a spring (8) is installed at the top of the support plate (7), a mounting frame (9) is snap-connected inside the housing (6), the bottom end of the mounting frame (9) abuts against the top end of the spring (8), and the mounting frame (9) is fixedly connected to the inner wall of the housing (6). An activated carbon filter (15) and a dust filter (16) are installed inside the housing (9), the dust filter (16) being located below the activated carbon filter (15), a rotating rod (12) being installed at the top end of the housing (6), a fixed block (14) being fixedly connected to one side of the rotating rod (12), an extended screw (10) being threadedly passed through the fixed block (14), the bottom end of the extended screw (10) being in contact with the installation frame (9), and a dust collection box (3) being placed at the bottom end of the housing (6). 2. An air filter for easy replacement of filter elements according to claim 1, characterized in that connecting rods (11) are fixedly connected to both sides of the extended screw (10). 3. An air filter for easy replacement of filter elements according to claim 1, characterized in that an anti-sliding block (13) is fixedly connected to an end surface of one end of the extended screw (10) located on the mounting frame (9). 4. An air filter for easy replacement of filter elements according to claim 1, characterized in that universal self-locking wheels (5) are fixedly connected to the four corners of the bottom end of the housing (6). 5. An air filter for easy replacement of filter elements according to claim 1, characterized in that hidden grooves (18) are provided on both side outer walls of the installation frame (9), bolts (17) are installed inside the installation frame (9) based on the hidden grooves (18), and the two bolts (17) are respectively threadedly connected to the activated carbon filter (15) and the dust filter (16). 6. An air filter for easy replacement of filter elements according to claim 1, characterized in that a movable door (19) is rotatably connected to the front wall of the housing (6) via a rotating shaft. 7. An air filter for easy replacement of filter elements according to claim 1, characterized in that a handle (4) is fixedly connected to the front wall of the dust box (3). 8. An air filter for easy replacement of filter elements according to claim 1, characterized in that an opening is provided at the top of the housing (6).