Chemical filter convenient for replacing filter element

Abstract

The utility model provides a chemical filter convenient to replace filter elements, which belongs to the technical field of chemical filters and comprises a shell, two protective doors are connected to the top of the shell in a sliding manner, a moving frame is arranged in the shell, a plurality of filter elements are arranged in the moving frame, a transmission mechanism is arranged in the shell, and the transmission mechanism is connected with the protective doors in a sliding manner. According to the scheme, the protective doors move to drive the movable frame and the filter element to move under the action of the transmission mechanism, so that the movable frame and the filter element are moved, then the filter element can be replaced, the filter element is replaced, the filter element is replaced, the operation is convenient, and the practicability is high. And after replacement is completed, the protective door is moved towards the inner side, the filter element is moved into the shell, then the plug pin is moved on the surface of the mounting base, the plug pin is inserted into the mortise lock, and therefore the protective door closes the filter element.

Description

Technical Field

[0001] The utility model belongs to the technical field of chemical filters, and in particular relates to a chemical filter with a filter element that is easy to replace. Background Art

[0002] A chemical filter is a filtering device that removes specific gases or particulate matter through chemical reactions. It is usually composed of one or more chemical adsorbents that can react chemically with the target pollutants to capture or convert them into harmless substances. Chemical filters are usually used to treat harmful gases, odors or gaseous pollutants in the air, such as formaldehyde, benzene, carbon monoxide, etc. They are widely used in home air purifiers, industrial waste gas treatment equipment, car air purifiers and other fields.

[0003] After searching, a Chinese patent with an existing publication number of CN216986671U discloses a filter that is easy to replace a filter element, including a filter body, a limiting mechanism, a mounting groove, a filter element body and a top plate. A top plate is arranged on the top of the filter body, a mounting groove is opened on the top of the filter body, and a filter element body is installed on the top of the filter body. The top of the filter element body is in contact with and connected to the limiting mechanism. The limiting mechanism is specifically composed of a spring, a gasket and a rubber block. The top of the filter element body is in contact with and connected to the gasket, and springs are fixedly connected to the top of the gasket, and rubber blocks are fixedly connected to the inner wall of the gasket.

[0004] Although the above-mentioned filter is installed with a top plate on the top of the filter, and a rubber rod, a fixing plate and a knob block are installed on the top of the top plate to facilitate the connection between the filter and the top plate, and a cushion frame is installed on the top of the filter element inside the filter to connect the spring and the rubber block to limit the filter element, which facilitates the replacement of the filter element and facilitates the limitation of the filter element to ensure the use effect of the filter, the above-mentioned filter is fixed and sealed in the shell by screws. When replacing the filter element, it is necessary to use a screwdriver to turn multiple screws to open the shell, which makes it inconvenient to replace the filter element. Utility Model Content

[0005] The utility model aims to provide a chemical filter which is convenient for replacing the filter element, aiming to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A chemical filter for easy replacement of filter elements, comprising: a shell, two protective doors slidably connected to the top of the shell, a movable frame is arranged inside the shell, a plurality of filter elements are arranged inside the movable frame, a transmission mechanism is arranged inside the shell, a mounting seat is installed on the surface of the protective door on one side, a latch is arranged on the surface of the mounting seat, a latch is installed on the surface of the protective door on the other side, a mounting plate is installed on the surface of the shell, and air intake nets are installed on both sides of the shell.

[0008] As a preferred solution of the utility model, movable handles are installed on the surfaces of the protective doors on both sides, and anti-slip sleeves are provided on the surfaces of the movable handles.

[0009] As a preferred solution of the utility model, a T-shaped slot is provided on the surface of the mounting seat, and the latch is slidably connected to the surface of the T-shaped slot, and a slot adapted to the latch is provided on the surface of the latch lock.

[0010] As a preferred solution of the utility model, the transmission mechanism includes a transmission shaft rotatably connected to the inner wall of the shell, a pulley is fixedly connected to the surface of the transmission shaft, a transmission gear is installed on the surface of the transmission shaft, the two pulleys are rotatably connected by a transmission belt, and a first tooth plate installed at the bottom of the protective door and a second tooth plate installed on the surface of the movable frame.

[0011] As a preferred solution of the utility model, the first tooth plate is meshed with one of the transmission gears, and the second tooth plate is meshed with another of the transmission gears.

[0012] As a preferred solution of the utility model, two limit plates are installed inside the shell, and the two second tooth plates are respectively slidably connected to the surfaces of the two limit plates.

[0013] As a preferred solution of the utility model, the apertures of the plurality of filter elements decrease sequentially.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] In this solution, the protective door moves to drive the movable frame and the filter element to move under the action of the transmission mechanism, thereby moving the movable frame and the filter element, and then the filter element can be replaced. After the replacement is completed, the protective door is moved inward, and the filter element is moved to the inside of the shell, and then the pin is moved on the surface of the mounting seat and inserted into the inside of the latch, so that the protective door closes the filter element. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0017] In the attached picture:

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 3 It is an expanded cross-sectional view of a local structure in the structure of the utility model;

[0021] Figure 4 It is a schematic diagram of the transmission mechanism in the structure of the utility model.

[0022] In the figure: 1. Shell; 2. Protective door; 3. Moving frame; 4. Filter element; 5. Transmission mechanism; 501. Transmission shaft; 502. Pulley; 503. Transmission gear; 504. First tooth plate; 505. Transmission belt; 506. Second tooth plate; 6. Moving handle; 7. Mounting seat; 8. Latch; 9. Latch; 10. Limit plate; 11. Mounting plate; 12. Air intake net. DETAILED DESCRIPTION

[0023] 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.

[0024] Example

[0025] See also Figure 1-4 , the technical solution provided by this embodiment is as follows:

[0026] A chemical filter for facilitating replacement of filter elements, comprising: a shell 1, two protective doors 2 being slidably connected to the top of the shell 1, a movable frame 3 being arranged inside the shell 1, a plurality of filter elements 4 being arranged inside the movable frame 3, two sets of transmission mechanisms 5 for moving the protective door 2 to drive the movable frame 3 to adjust its height being arranged inside the shell 1, the movable frame 3 and the filter element 4 being moved under the action of the transmission mechanism 5 by the movement of the protective door 2, thereby moving the movable frame 3 and the filter element 4, and then the filter element 4 can be replaced, a mounting seat 7 is installed on the surface of the protective door 2 on one side, a latch 8 is arranged on the surface of the mounting seat 7, a latch 9 is installed on the surface of the protective door 2 on the other side, a mounting plate 11 is installed on the surface of the shell 1, and air intake nets 12 are installed on both sides of the shell 1, after replacement is completed, the protective door 2 is moved inwardly, and the filter element 4 is moved to the inside of the shell 1, and then the latch 8 is moved on the surface of the mounting seat 7, and the latch 8 is inserted into the inside of the latch 9, so that the protective door 2 closes the filter element 4.

[0027] Specifically, movable handles 6 are installed on the surfaces of the protective doors 2 on both sides, and the surfaces of the movable handles 6 are provided with anti-slip sleeves.

[0028] In a specific embodiment of the present utility model, the protective door 2 is conveniently moved by providing the movable handle 6 , and the friction force when the staff holds the movable handle 6 is increased by providing the anti-slip sleeve.

[0029] Specifically, a T-shaped slide groove is provided on the surface of the mounting seat 7 , and the latch pin 8 is slidably connected to the surface of the T-shaped slide groove, and a slot adapted to the latch pin 8 is provided on the surface of the latch lock 9 .

[0030] In a specific embodiment of the present utility model, the T-shaped slide groove is provided to facilitate limiting the moving trajectory of the latch 8 and conveniently inserting the latch 8 into the interior of the latch 9, thereby reducing damage to the protective door 2 caused by longitudinal pulling.

[0031] Specifically, the transmission mechanism 5 includes a transmission shaft 501 rotatably connected to the inner wall of the shell 1, a pulley 502 is fixedly connected to the surface of the transmission shaft 501, a transmission gear 503 is installed on the surface of the transmission shaft 501, the two pulleys 502 are rotatably connected through a transmission belt 505, and a first tooth plate 504 installed at the bottom of the protective door 2 and a second tooth plate 506 installed on the surface of the moving frame 3, the first tooth plate 504 is meshed with one transmission gear 503, and the second tooth plate 506 is meshed with another transmission gear 503.

[0032] In a specific embodiment of the utility model, when the protective door 2 moves, it drives the first tooth plate 504 to move. At this time, under the action of a transmission gear 503, the transmission shaft 501 and the pulley 502 are driven to rotate. At this time, under the action of the transmission belt 505 and another pulley 502, the transmission shaft 501 and the transmission gear 503 on the other side are driven to rotate. At this time, the second tooth plate 506 will drive the moving frame 3 to move.

[0033] Specifically, two limit plates 10 are installed inside the housing 1 , and the two second tooth plates 506 are slidably connected to the surfaces of the two limit plates 10 , respectively.

[0034] In a specific embodiment of the present invention, the limiting plate 10 is provided to limit the moving track of the second tooth plate 506, thereby increasing the stability of the second tooth plate 506 during movement.

[0035] Specifically, the pore sizes of the plurality of filter elements 4 decrease in sequence.

[0036] In a specific embodiment of the present utility model, the filtration effect of the filter is increased by reducing the pore size of the filter core 4 .

[0037] Working principle: When the filter element 4 needs to be replaced, the protective door 2 is moved by moving the handle 6. When the protective door 2 moves, it drives the first tooth plate 504 to move. At this time, the transmission shaft 501 and the pulley 502 are driven to rotate under the action of a transmission gear 503. At this time, the transmission shaft 501 and the transmission gear 503 on the other side are driven to rotate under the action of the transmission belt 505 and the other pulley 502. At this time, the second tooth plate 506 will drive the moving frame 3 and the filter element 4 to move, and then the filter element 4 can be replaced. After the replacement is completed, the protective door 2 is moved inward, and the filter element 4 is moved to the inside of the shell 1. Then, the pin 8 is moved on the surface of the mounting seat 7, and the pin 8 is inserted into the inside of the latch 9, so that the protective door 2 closes the filter element 4.

[0038] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described 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 present invention shall be included in the protection scope of the present invention.

Claims

1. A chemical filter that is easy to replace the filter element, characterized in that: include: A shell (1), wherein two protective doors (2) are slidably connected to the top of the shell (1), a movable frame (3) is arranged inside the shell (1), a plurality of filter cores (4) are arranged inside the movable frame (3), a transmission mechanism (5) is arranged inside the shell (1), a mounting seat (7) is installed on the surface of one side of the protective door (2), a latch (8) is arranged on the surface of the mounting seat (7), a latch (9) is installed on the surface of the other side of the protective door (2), a mounting plate (11) is installed on the surface of the shell (1), and air intake nets (12) are installed on both sides of the shell (1).

2. A chemical filter with easy filter element replacement according to claim 1, characterized in that: The surfaces of the protective doors (2) on both sides are both provided with movable handles (6), and the surfaces of the movable handles (6) are provided with anti-slip sleeves.

3. A chemical filter with easy filter element replacement according to claim 1, characterized in that: The surface of the mounting seat (7) is provided with a T-shaped sliding groove, and the latch (8) is slidably connected to the surface of the T-shaped sliding groove. The surface of the latch (9) is provided with a card slot adapted to the latch (8).

4. A chemical filter with easy filter element replacement according to claim 1, characterized in that: The transmission mechanism (5) comprises a transmission shaft (501) rotatably connected to the inner wall of the housing (1), a pulley (502) fixedly connected to the surface of the transmission shaft (501), a transmission gear (503) mounted on the surface of the transmission shaft (501), the two pulleys (502) being rotatably connected via a transmission belt (505), and a first toothed plate (504) mounted on the bottom of the protective door (2) and a second toothed plate (506) mounted on the surface of the moving frame (3).

5. A chemical filter with easy filter element replacement according to claim 4, characterized in that: The first tooth plate (504) is meshed with one of the transmission gears (503), and the second tooth plate (506) is meshed with another of the transmission gears (503).

6. A chemical filter with easy filter element replacement according to claim 5, characterized in that: Two limit plates (10) are installed inside the housing (1), and the two second tooth plates (506) are respectively slidably connected to the surfaces of the two limit plates (10).

7. A chemical filter with easy filter element replacement according to claim 6, characterized in that: The apertures of the plurality of filter cores (4) decrease in sequence.

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