Device and process for extracting natural mosquito repellent with filtering function

Abstract

The invention belongs to the technical field of natural mosquito repellent extraction, and particularly relates to a natural mosquito repellent extraction device with a filtering function, the natural mosquito repellent extraction device comprises a base, a barrel and a filtering frame, the barrel is fixedly connected to the upper surface of the base, and the filtering frame is arranged in the barrel. When people need to filter and collect raw materials, people only need to control a second positive and negative motor to operate through a control switch, so that a stirring paddle is driven to rotate, the raw materials are filtered under the cooperation of the stirring paddle and a filtering frame, and meanwhile, under the action of the stirring paddle, the phenomenon that when people filter the raw materials, the raw materials are separated from one another is avoided. When the filter is used, impurities block the filter frame and influence the filter efficiency, and meanwhile, the valve is opened, so that the filtered raw materials are discharged through the liquid discharge pipe, and the filtered liquid is collected in a centralized manner, so that the purposes of filtering and collecting the raw materials are achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of natural mosquito repellent extraction, and in particular relates to a natural mosquito repellent extraction device and process with a filtering function. Background Art

[0002] When producing natural mosquito repellents, the raw materials need to be heated to extract their internal components. The natural mosquito repellent extraction devices currently on the market do not have the function of filtering raw materials. After the extraction is completed, the raw materials and the liquid medicine need to be separated when the liquid is discharged, which is time-consuming and labor-intensive. The single operation efficiency of the staff is low, which affects the user's operation. In order to solve the above problems, we have launched the following device Summary of the invention

[0003] In order to solve the problems raised in the above background technology, the present invention provides an extraction device and process of a natural mosquito repellent with filtering function, which has the characteristic of convenient filtering function.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an extraction device for natural mosquito repellent with filtering function, comprising a base, a barrel and a filter frame, the barrel being fixedly connected to the upper surface of the base, the filter frame being arranged inside the barrel, a support ring being fixedly connected to the side of the filter frame, a positioning ring being fixedly connected to the inner wall of the barrel, the support ring being overlapped on the upper surface of the positioning ring, a support column being fixedly connected to the inside of the barrel, a positioning groove being provided on the surface of the support column, the filter frame being a frame with an inverted concave structure in cross section, a positioning plate being fixedly connected to the inner wall of the filter frame, the positioning plate being clamped in the positioning groove, and the inner wall of the barrel being fixedly connected to the filter frame. There is an electric heating mechanism, which has two groups and is symmetrically arranged on the inner wall of the cylinder. A lifting mechanism is fixedly connected to the upper surface of the base, a cover plate is fixedly connected to the side of the lifting mechanism, a sealing strip is arranged on the inner wall of the cover plate, a support frame is fixedly connected to the upper surface of the cover plate, a second forward and reverse motor is fixedly connected to the inside of the support frame, a second rotating shaft is fixedly connected to the lower end of the output shaft of the second forward and reverse motor, a second bearing is penetrated on the surface of the cover plate, the second rotating shaft is penetrated in the second bearing, a support rod is fixedly connected to the side of the second rotating shaft, the other end of the support rod is fixedly connected to a stirring paddle, and the stirring paddle matches the filter frame.

[0005] Preferably, the lifting mechanism includes a support arm, which is fixedly connected to the upper surface of the base, and a transmission compartment is opened inside the support arm, and a first forward and reverse motor is fixedly connected inside the transmission compartment, and a threaded column is fixedly connected to the upper end of the output shaft of the first forward and reverse motor, and the upper end of the threaded column is fixedly connected to the first rotating shaft, and a first bearing is fixedly connected to the inner wall of the transmission compartment, and the upper end of the first rotating shaft is inserted into the first bearing, and a threaded nut is threadedly connected to the surface of the threaded column, and a connecting rod is fixedly connected to the side of the threaded nut, and the other end of the connecting rod is fixedly connected to the side of the cover plate.

[0006] Preferably, handles are fixedly connected to the upper surface of the support ring, and there are two groups of handles, which are symmetrically arranged on the upper end of the support ring.

[0007] Preferably, a drainage pipe is fixedly connected to the side of the cylinder, a valve is provided on the surface of the drainage pipe, and an observation window is inlaid on the surface of the cylinder.

[0008] Preferably, a limiting rod is fixedly connected to the upper surface of the base, a limiting ring is fixedly connected to the side of the cover plate, the limiting rod is passed through the limiting ring, the upper end of the limiting rod is fixedly connected to the limiting block, and there are two groups of limiting rods and limiting rings, which are symmetrically arranged on both sides of the cover plate.

[0009] Preferably, a wheel group is fixedly connected to the lower surface of the base, brake pads are arranged on the sides of the wheel group, and brake pads are arranged on the sides of the wheel group. There are multiple wheel groups and they are arranged in a rectangular shape at the lower end of the base.

[0010] Preferably, an energy storage compartment is provided inside the base, a battery is fixedly connected inside the energy storage compartment, and a control switch is fixedly connected to the side of the support arm.

[0011] A process for extracting a natural mosquito repellent with a filtering function, the method for extracting the natural mosquito repellent comprising the following steps:

[0012] (1) extracting and heating the raw material and the liquid medicine, injecting the raw material and the liquid medicine into a filter frame, and then controlling the electric heating mechanism to operate to extract and heat the natural mosquito repellent;

[0013] (2) The raw materials are filtered and the liquid is collected. The second forward and reverse motor operates to drive the stirring paddle to rotate. With the cooperation of the stirring paddle and the filter frame, the raw materials are filtered. At the same time, the valve is opened and the filtered raw materials are discharged through the drain pipe;

[0014] (3) The filtered debris is processed centrally by controlling the first forward and reverse motor to drive the threaded column to rotate. With the cooperation of the threaded column and the threaded cap, the cover plate is driven to move. When the cover plate moves to the specified position, the first forward and reverse motor is controlled to stop operating through the control switch, and then the handle set on the side of the filter frame is pulled to take out the debris.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The present invention provides a stirring paddle and a filter frame. When people need to filter and collect raw materials, they only need to control the second forward and reverse motor to operate through the control switch, thereby driving the stirring paddle to rotate. With the cooperation of the stirring paddle and the filter frame, the raw materials can be filtered. At the same time, under the action of the stirring paddle, it is prevented that the filter frame is blocked by debris when people filter the raw materials, thereby affecting the filtering efficiency. At the same time, the valve is opened to allow the filtered raw materials to be discharged through the drain pipe, and the filtered liquid is collected centrally, thereby achieving the purpose of filtering and collecting the raw materials. At the same time, under the action of the positioning plate and the positioning groove, the stirring paddle can ensure that the filter frame maintains a stable working state during the process of stirring the raw materials, and the filter frame is prevented from being offset during the process of stirring the raw materials by the stirring paddle, thereby improving the practicality of the device.

[0017] 2. The present invention provides an electric heating mechanism. When people need to extract and heat the raw materials and the medicinal solution, they only need to inject the raw materials and the medicinal solution into the filter frame, and then control the operation of the electric heating mechanism through the control switch, thereby achieving the purpose of extracting and heating the natural mosquito repellent.

[0018] 3. The present invention provides a lifting mechanism and a handle. When people need to process impurities in a centralized manner, they only need to control the first forward and reverse motor to operate through the control switch, thereby driving the threaded column to rotate, and with the cooperation of the threaded column and the threaded cap, driving the cover plate to move. When the cover plate moves to the specified position, people only need to control the first forward and reverse motor to stop operating through the control switch, and then pull the handle provided on the side of the filter frame, so that the filter frame carrying the impurities can be taken out, which is convenient for people to process the impurities in a centralized manner. At the same time, with the cooperation of the limit rod and the limit ring, the cover plate can be moved in a directional manner to avoid the cover plate from getting stuck during the movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 It is a schematic diagram of the structure of the present invention in a frontal stereoscopic cross-section;

[0021] Figure 2 It is a schematic diagram of the structure of the present invention in a front view;

[0022] Figure 3 It is a structural schematic diagram of a three-dimensional enlarged cross-section of the lifting mechanism in the present invention;

[0023] Figure 4 It is a structural schematic diagram of a three-dimensional enlarged cross-section of the cylinder in the present invention.

[0024] In the figure: 1, base; 2, cylinder; 3, filter frame; 4, support ring; 5, positioning ring; 6, support column; 7, positioning groove; 8, positioning plate; 9, lifting mechanism; 901, support arm; 902, transmission chamber; 903, first forward and reverse motor; 904, threaded column; 905, first rotating shaft; 906, first bearing; 907, threaded cap; 908, connecting rod; 909, movable groove; 10, cover plate; 11, support frame; 12, second forward and reverse motor; 13, second rotating shaft; 14, second bearing; 15, support rod; 16, stirring paddle; 17, electric heating mechanism; 18, handle; 19, drain pipe; 20, valve; 21, observation window; 22, wheel set; 23, brake pad; 24, energy storage chamber; 25, battery; 26, control switch; 27, limit ring; 28, limit rod; 29, limit block. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] Example 1

[0027] See also Figure 1-4The present invention provides the following technical solutions: a natural mosquito repellent extraction device with filtering function, comprising a base 1, a barrel 2 and a filter frame 3, the barrel 2 is fixedly connected to the upper surface of the base 1, the filter frame 3 is arranged inside the barrel 2, a support ring 4 is fixedly connected to the side of the filter frame 3, a positioning ring 5 is fixedly connected to the inner wall of the barrel 2, the support ring 4 is overlapped on the upper surface of the positioning ring 5, a support column 6 is fixedly connected to the inside of the barrel 2, a positioning groove 7 is opened on the surface of the support column 6, the filter frame 3 is a frame with an inverted concave structure in cross section, a positioning plate 8 is fixedly connected to the inner wall of the filter frame 3, the positioning plate 8 is clamped in the positioning groove 7, an electric heating mechanism 17 is fixedly connected to the inner wall of the barrel 2, and the electric heating mechanism There are two groups of structures 17, which are symmetrically arranged on the inner wall of the cylinder 2. The upper surface of the base 1 is fixedly connected to the lifting mechanism 9, and the side of the lifting mechanism 9 is fixedly connected to the cover plate 10. The inner wall of the cover plate 10 is provided with a sealing strip, and the upper surface of the cover plate 10 is fixedly connected to the support frame 11. The inside of the support frame 11 is fixedly connected to the second forward and reverse motor 12, and the lower end of the output shaft of the second forward and reverse motor 12 is fixedly connected to the second rotating shaft 13. A second bearing 14 is penetrated on the surface of the cover plate 10, and the second rotating shaft 13 is penetrated in the second bearing 14. A support rod 15 is fixedly connected to the side of the second rotating shaft 13, and the other end of the support rod 15 is fixedly connected to a stirring paddle 16, and the stirring paddle 16 matches the filter frame 3.

[0028] The present invention provides a stirring paddle 16 and a filter frame 3. When people need to filter and collect the raw materials, they only need to control the second forward and reverse motor 12 to operate through the control switch 26, thereby driving the stirring paddle 16 to rotate, thereby driving the stirring paddle 16 to rotate. With the cooperation of the stirring paddle 16 and the filter frame 3, the raw materials can be filtered. At the same time, under the action of the stirring paddle 16, it is prevented that the filter frame 3 is blocked by debris when people filter the raw materials, thereby affecting the filtering efficiency. At the same time, the valve 20 is opened, so that the filtered raw materials can be discharged through the drain pipe 19, and the filtered liquid is collected in a centralized manner, thereby achieving the purpose of filtering and collecting the raw materials. At the same time, under the action of the positioning plate 8 and the positioning groove 7, the stirring paddle 16 can ensure that the filter frame 3 maintains a stable working state during the process of stirring the raw materials, and the filter frame 3 is prevented from being offset during the process of stirring the raw materials by the stirring paddle 16, thereby improving the practicality of the device.

[0029] Specifically, the lifting mechanism 9 includes a support arm 901, which is fixedly connected to the upper surface of the base 1. A transmission compartment 902 is opened inside the support arm 901, and a first forward and reverse motor 903 is fixedly connected inside the transmission compartment 902. A threaded column 904 is fixedly connected to the upper end of the output shaft of the first forward and reverse motor 903, and the upper end of the threaded column 904 is fixedly connected to the first rotating shaft 905. A first bearing 906 is fixedly connected to the inner wall of the transmission compartment 902, and the upper end of the first rotating shaft 905 is inserted into the first bearing 906. A threaded cap 907 is threadedly connected to the surface of the threaded column 904, and a connecting rod 908 is fixedly connected to the side of the threaded cap 907, and the other end of the connecting rod 908 is fixedly connected to the side of the cover plate 10.

[0030] The present invention, by setting the lifting mechanism 9 and the handle 18, when people need to carry out centralized processing of impurities, people only need to control the operation of the first forward and reverse motor 903 through the control switch 26, thereby driving the threaded column 904 to rotate, and under the cooperation of the threaded column 904 and the threaded cap 907, the cover plate 10 is driven to move. When the cover plate 10 moves to the specified position, people only need to control the first forward and reverse motor 903 to stop operating through the control switch 26, and then pull the handle 18 set on the side of the filter frame 3, so that the filter frame 3 loaded with debris can be taken out, which is convenient for people to carry out centralized processing of debris. At the same time, under the cooperation of the limit rod 28 and the limit ring 27, the cover plate 10 can be moved in a directional manner to avoid the cover plate 10 from getting stuck during the movement.

[0031] Specifically, handles 18 are fixedly connected to the upper surface of the support ring 4 . There are two groups of handles 18 , which are symmetrically arranged at the upper end of the support ring 4 .

[0032] Specifically, a liquid discharge pipe 19 is fixedly connected to the side of the cylinder 2 , a valve 20 is provided on the surface of the liquid discharge pipe 19 , and an observation window 21 is inlaid on the surface of the cylinder 2 .

[0033] Specifically, a limiting rod 28 is fixedly connected to the upper surface of the base 1, a limiting ring 27 is fixedly connected to the side of the cover plate 10, the limiting rod 28 is passed through the limiting ring 27, and the upper end of the limiting rod 28 is fixedly connected to the limiting block 29. There are two sets of limiting rods 28 and limiting rings 27, and they are symmetrically arranged on both sides of the cover plate 10.

[0034] Specifically, a wheel set 22 is fixedly connected to the lower surface of the base 1 , and brake pads 23 are arranged on the sides of the wheel set 22 . There are multiple wheel sets 22 , which are arranged in a rectangular shape at the lower end of the base 1 .

[0035] Specifically, an energy storage compartment 24 is provided inside the base 1 , a battery 25 is fixedly connected inside the energy storage compartment 24 , and a control switch 26 is fixedly connected to the side of the support arm 901 .

[0036] Working principle and use process of the present invention: When using the present invention, people only need to push the device, and with the cooperation of the wheel set 22, it is convenient for people to move the device to a position suitable for the use of the device. When people need to fix the device, people only need to adjust the brake pads 23 set on the side of the wheel set 22 to the braking state, thereby ensuring that the device can maintain a stable working state during normal operation. When people need to extract and heat the raw materials and the liquid medicine, people only need to inject the raw materials and the liquid medicine into the filter frame 3, and then control the operation of the electric heating mechanism 17 through the control switch 26, so as to achieve the purpose of extracting and heating the natural mosquito repellent. When people need to filter and collect the raw materials, people only need to control the operation of the second forward and reverse motor 12 through the control switch 26, thereby driving the stirring paddle 16 to rotate, thereby driving the stirring paddle 16 to rotate, and with the cooperation of the stirring paddle 16 and the filter frame 3, the raw materials can be filtered. At the same time, under the action of the stirring paddle 16, it is prevented that when people filter the raw materials, the filter frame 3 is blocked by debris, affecting the filtering efficiency, and at the same time, the valve 20 is opened to allow the filtration The filtered raw materials can be discharged through the drain pipe 19, and the filtered liquid is collected centrally, so as to achieve the purpose of filtering and collecting the raw materials. At the same time, under the action of the positioning plate 8 and the positioning groove 7, the stirring paddle 16 can ensure that the filter frame 3 maintains a stable working state during the stirring of the raw materials, and avoid the displacement of the filter frame 3 during the stirring of the raw materials by the stirring paddle 16, thereby improving the practicality of the device. When people need to centrally process impurities, they only need to control the operation of the first forward and reverse motor 903 through the control switch 26, thereby driving The threaded column 904 rotates, and with the cooperation of the threaded column 904 and the threaded cap 907, the cover plate 10 is driven to move. When the cover plate 10 moves to the specified position, people only need to control the first forward and reverse motor 903 to stop working through the control switch 26, and then pull the handle 18 set on the side of the filter frame 3, so that the filter frame 3 carrying debris can be taken out, which is convenient for people to centrally handle the debris. At the same time, with the cooperation of the limit rod 28 and the limit ring 27, the cover plate 10 can be moved in a directional manner to avoid the cover plate 10 from getting stuck during the movement.

[0037] Embodiment 2:

[0038] A process for extracting a natural mosquito repellent with a filtering function, the method for extracting the natural mosquito repellent comprising the following steps:

[0039] (1) The raw material and the liquid medicine are extracted and heated. People only need to inject the raw material and the liquid medicine into the filter frame 3, and then control the electric heating mechanism 17 to operate through the control switch 26, so as to achieve the purpose of extracting and heating the natural mosquito repellent;

[0040] (2) To filter the raw materials and collect the liquids, people only need to control the second forward and reverse motor 12 through the control switch 26 to drive the stirring paddle 16 to rotate. With the cooperation of the stirring paddle 16 and the filter frame 3, the raw materials can be filtered. At the same time, under the action of the stirring paddle 16, it is prevented that the filter frame 3 is blocked by debris when people filter the raw materials, thereby affecting the filtering efficiency. At the same time, the valve 20 is opened so that the filtered raw materials can be discharged through the drain pipe 19, and the filtered liquid is collected;

[0041] (3) To centrally process the filtered debris, people only need to control the first forward and reverse motor 903 through the control switch 26 to drive the threaded column 904 to rotate, and with the cooperation of the threaded column 904 and the threaded cap 907, the cover plate 10 is driven to move. When the cover plate 10 moves to the specified position, people only need to control the first forward and reverse motor 903 to stop operating through the control switch 26, and then pull the handle 18 set on the side of the filter frame 3, so that the filter frame 3 carrying the debris can be taken out.

[0042] 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 aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with 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 natural mosquito repellent extraction device with filtering function, comprising a base (1), a cylinder (2) and a filtering frame (3), characterized in that: The cylinder (2) is fixedly connected to the upper surface of the base (1); the filter frame (3) is arranged inside the cylinder (2); a support ring (4) is fixedly connected to the side of the filter frame (3); a positioning ring (5) is fixedly connected to the inner wall of the cylinder (2); the support ring (4) overlaps the upper surface of the positioning ring (5); a support column (6) is fixedly connected to the inside of the cylinder (2); a positioning groove (7) is provided on the surface of the support column (6); the filter frame (3) is a frame with an inverted concave structure in cross section; a positioning plate (8) is fixedly connected to the inner wall of the filter frame (3); the positioning plate (8) is clamped in the positioning groove (7); an electric heating mechanism (17) is fixedly connected to the inner wall of the cylinder (2); there are two groups of the electric heating mechanisms (17) and they are symmetrically arranged on the inner wall of the cylinder (2); The upper surface of the base (1) is fixedly connected with a lifting mechanism (9), the side of the lifting mechanism (9) is fixedly connected with a cover plate (10), the inner wall of the cover plate (10) is provided with a sealing strip, the upper surface of the cover plate (10) is fixedly connected with a support frame (11), the interior of the support frame (11) is fixedly connected with a second forward and reverse motor (12), the lower end of the output shaft of the second forward and reverse motor (12) is fixedly connected with a second rotating shaft (13), the surface of the cover plate (10) is penetrated with a second bearing (14), the second rotating shaft (13) is penetrated in the second bearing (14), the side of the second rotating shaft (13) is fixedly connected with a support rod (15), the other end of the support rod (15) is fixedly connected with a stirring paddle (16), and the stirring paddle (16) matches the filter frame (3).

2. The extraction device of a natural mosquito repellent with filtering function according to claim 1, characterized in that: The lifting mechanism (9) comprises a support arm (901), wherein the support arm (901) is fixedly connected to the upper surface of the base (1), a transmission chamber (902) is provided inside the support arm (901), a first forward and reverse motor (903) is fixedly connected inside the transmission chamber (902), a threaded column (904) is fixedly connected to the upper end of the output shaft of the first forward and reverse motor (903), a first rotating shaft (905) is fixedly connected to the upper end of the threaded column (904), a first bearing (906) is fixedly connected to the inner wall of the transmission chamber (902), the upper end of the first rotating shaft (905) is inserted into the first bearing (906), a threaded cap (907) is threadedly connected to the surface of the threaded column (904), a connecting rod (908) is fixedly connected to the side of the threaded cap (907), and the other end of the connecting rod (908) is fixedly connected to the side of the cover plate (10).

3. The extraction device of a natural mosquito repellent with filtering function according to claim 1, characterized in that: The upper surface of the support ring (4) is fixedly connected with a handle (18), and there are two groups of the handles (18) which are symmetrically arranged on the upper end of the support ring (4).

4. The extraction device of a natural mosquito repellent with filtering function according to claim 1, characterized in that: A liquid discharge pipe (19) is fixedly connected to the side of the cylinder (2), a valve (20) is arranged on the surface of the liquid discharge pipe (19), and an observation window (21) is inlaid on the surface of the cylinder (2).

5. The extraction device of a natural mosquito repellent with filtering function according to claim 1, characterized in that: The upper surface of the base (1) is fixedly connected to a limiting rod (28), and the side of the cover plate (10) is fixedly connected to a limiting ring (27). The limiting rod (28) is inserted into the limiting ring (27), and the upper end of the limiting rod (28) is fixedly connected to a limiting block (29). The limiting rod (28) and the limiting ring (27) each have two groups, and are symmetrically arranged on both sides of the cover plate (10).

6. The extraction device of a natural mosquito repellent with filtering function according to claim 1, characterized in that: A wheel set (22) is fixedly connected to the lower surface of the base (1), a brake pad (23) is arranged on the side of the wheel set (22), and a brake pad (23) is arranged on the side of the wheel set (22). There are a plurality of wheel sets (22) arranged in a rectangular shape at the lower end of the base (1).

7. The extraction device of a natural mosquito repellent with filtering function according to claim 2, characterized in that: An energy storage compartment (24) is provided inside the base (1), a storage battery (25) is fixedly connected inside the energy storage compartment (24), and a control switch (26) is fixedly connected to the side of the support arm (901).

8. An extraction process of a natural mosquito repellent with filtering function, characterized in that: Using the natural mosquito repellent extraction device with filtering function described in any one of claims 1 to 7, the natural mosquito repellent extraction method comprises the following steps: (1) extracting and heating the raw material and the medicinal solution, injecting the raw material and the medicinal solution into the filter frame (3), and then controlling the electric heating mechanism (17) to operate, extracting and heating the natural mosquito repellent; (2) filtering the raw materials and collecting the liquids, the second forward and reverse motor (12) operates, thereby driving the stirring paddle (16) to rotate, and the raw materials are filtered under the cooperation of the stirring paddle (16) and the filter frame (3), and the valve (20) is opened at the same time, and the filtered raw materials are discharged through the discharge pipe (19); (3) The filtered debris is centrally processed by controlling the first forward and reverse motor (903) to operate, driving the threaded column (904) to rotate, and driving the cover plate (10) to move under the cooperation of the threaded column (904) and the threaded cap (907). When the cover plate (10) moves to a specified position, the first forward and reverse motor (903) is controlled to stop operating through the control switch (26), and then the handle (18) arranged on the side of the filter frame (3) is pulled to take out the debris.

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