Impurity filtering structure for ultraviolet air sterilizer

Abstract

The impurity filtering structure comprises an air inlet filtering pipe, the bottom end of the outer portion of the air inlet filtering pipe is sleeved with a flange plate, the flange plate is connected with an air inlet of the sterilizer through a bolt assembly, and a fixing ring is installed at the top end of the inner portion of the air inlet filtering pipe. Limiting grooves are evenly formed in the top end of the fixing ring, and limiting blocks are evenly installed in the limiting grooves. According to the utility model, through the clamping connection between the connecting sleeve cover and the rotating shaft and the insertion connection between the positioning rod and the positioning hole, the rotating shaft rotates and drives the air inlet fan blades to absorb external air, and meanwhile, the cleaning brush rotatably cleans the inner wall of the V-shaped filter element, so that the filtering smoothness of the V-shaped filter element is improved, the dismounting and replacing times of the V-shaped filter element are reduced, and the service life of the V-shaped filter element is prolonged. And the rotating shaft is used as a power source for rotation of the V-shaped movable plate, use of extra electric appliances is reduced, and the economic practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air filtration, in particular to an impurity filtering structure for an ultraviolet air disinfector. Background Art

[0002] With the improvement of the quality of life, people's requirements for living environment have also increased. In order to ensure the quality of home living air, ultraviolet air disinfection machines are generally used to treat the ambient air. The air is absorbed by the fan and the ultraviolet sterilization effect is used to purify the absorbed air and discharge it into the room to achieve the effect of indoor air purification.

[0003] Chinese patent authorization announcement number CN217900120U discloses an air inlet filter duct for a circulating air ultraviolet air sterilizer, including a tube body and a fixed tube, the outer surfaces of the fixed tube are respectively fixedly connected with a clamping block 1 and a clamping block 2, the outer surface of the tube body is provided with an opening, the bottom surface of the tube body is fixedly connected with a sealing ring, and the inner surface of the bottom end of the tube body is fixedly connected with a clamping sleeve, and the inner surface of the open opening is slidably sleeved with a slide plate, so that the air inlet filter tube can be fixed quickly and efficiently, and the filter element can be easily disassembled, making the disassembly of the filter element time-saving and labor-saving, thereby shortening the cleaning cycle of the filter element, which not only improves the filtering effect but also ensures the working efficiency of the sterilizer. The above-mentioned prior art solution has the following shortcomings: the air inlet filter tube of the ultraviolet air sterilizer is mainly replaced regularly by disassembly and assembly to ensure that impurities in the air cannot enter the interior of the ultraviolet air sterilizer. However, due to a certain time limit for replacement, during the daily air intake process, the inside of the filter element is easily blocked by impurities in the air, and no relevant cleaning structure is provided in the air inlet duct, which easily reduces the filtering effect of the filter element. Therefore, there is room for improvement. Utility Model Content

[0004] The utility model aims to provide an impurity filtering structure for an ultraviolet air sterilizer, so as to solve the problem that the impurity filtering structure for an ultraviolet air sterilizer proposed in the above background technology is not easy to automatically clean the filter element.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an impurity filtering structure for an ultraviolet air disinfector, comprising an air inlet filter tube, the bottom end of the outside of the air inlet filter tube is sleeved with a flange, which is connected to the air inlet of the disinfector through a bolt assembly, a fixing ring is installed at the top end of the inside of the air inlet filter tube, and limiting grooves are evenly arranged at the top end of the fixing ring, limiting blocks are evenly installed inside the limiting grooves, and the top end of the limiting blocks is connected to a fixing frame, a V-shaped filter element is installed at the bottom end of the fixing frame, and a fixing assembly is provided at the top end of the air inlet filter tube to facilitate limiting the top end of the fixing frame A V-shaped movable plate is installed at the bottom end of the fixed assembly, and cleaning brushes are installed on both sides of the bottom end of the V-shaped movable plate, and the bottom ends of the cleaning brushes are against the inner wall of the V-shaped filter element. A through hole is opened at the bottom end of the V-shaped movable plate, and a support frame is installed inside the air intake filter tube below the V-shaped filter element, and a rotating shaft passes through the inside of the support frame, a servo motor is installed at the bottom end of the rotating shaft, and air intake fan blades are evenly installed on both sides of the rotating shaft to suck air from above, and the top end of the rotating shaft passes through the top end of the V-shaped filter element and the inside of the through hole in sequence, and a connecting mechanism is provided to realize the connection relationship between the rotating shaft and the V-shaped movable plate.

[0006] Preferably, the fixing assembly includes a top cover which is sleeved on the top of the air intake filter tube, and the top cover is threadedly connected to the outer wall of the air intake filter tube, a pressure ring is installed at the bottom end inside the top cover, and the bottom end of the pressure ring is abutted against the top of the fixing frame, and the outer wall of the pressure ring is abutted against the inner wall of the air intake filter tube.

[0007] Preferably, the interior of the top cover is connected with a rotating ring via a guide groove, and the bottom end of the rotating ring is connected to the top end of the V-shaped movable plate, and the V-shaped movable plate is located on the central axis of the rotating ring.

[0008] Preferably, a plurality of the limiting grooves are provided, and the limiting grooves are distributed in a cross shape on the fixing ring.

[0009] Preferably, the inner diameter of the through hole is larger than the inner diameter of the rotating shaft, and the position of the through hole corresponds to the position of the rotating shaft in the upper and lower directions.

[0010] Preferably, the connecting mechanism includes a connecting cover sleeved on the top of the rotating shaft, and a pull ring is installed on the top of the connecting cover, a card slot is opened at the top of both sides of the rotating shaft, and a card block is installed inside the card slot, one side of the card block is connected to the inner wall of the connecting cover, connecting plates are installed on both sides of the connecting cover, and a positioning rod is installed at the bottom end of the connecting plate, a positioning hole is opened at the bottom end of the V-shaped movable plate below the positioning rod, and the bottom end of the positioning rod passes through the interior of the positioning hole.

[0011] Preferably, the cross section of the clamping block is semicircular, and the clamping block is clamped with the clamping groove, so as to facilitate connecting the connecting sleeve cover with the rotating shaft while preventing the connecting sleeve cover and the rotating shaft from rotating out of position.

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

[0013] (1) The connection between the rotating shaft and the rotating shaft is realized by the clamping connection between the connecting sleeve cover and the rotating shaft, combined with the insertion connection between the positioning rod and the positioning hole, so that the connection between the rotating shaft and the V-shaped movable plate is realized, so that the rotating shaft rotates and drives the air intake fan blades to absorb the external air, and the V-shaped movable plate is rotated, and then the cleaning brush rotates and rubs the inner wall of the V-shaped filter element to clean it, so as to avoid the V-shaped filter element from being blocked in the process of intercepting impurities in the air, improve the filtering patency of the V-shaped filter element, reduce the number of times the V-shaped filter element is replaced, and use of the rotating shaft as the power source for the rotation of the V-shaped movable plate reduces the use of additional electrical appliances, thereby improving its economic practicality;

[0014] (2) The cooperation of the limit groove and the limit block allows the fixing frame to be limited to the left and right, thereby achieving a preliminary fixing effect on the V-shaped filter element. Combined with the function of the top cover and the pressure ring, the upper and lower clamping and fixing of the V-shaped filter element can be further achieved, thereby avoiding the possibility of the V-shaped filter element being removed from the air intake filter tube, that is, the installation of the V-shaped filter element is achieved. In addition, when disassembling, the installation method has simple operating steps and does not require the use of additional tools, thereby improving the convenience of replacing the V-shaped filter element. 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 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 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the cross-sectional three-dimensional structure of the connection cover of the utility model;

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the filter element of the utility model;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the top cover of the utility model.

[0020] Explanation of the reference numerals in the figure: 1. Inlet filter tube; 2. Top cover; 3. Rotating ring; 4. V-shaped movable plate; 5. Pressing ring; 6. Fixed frame; 7. Fixed ring; 8. V-shaped filter element; 9. Support frame; 10. Servo motor; 11. Rotating shaft; 12. Inlet fan blade; 13. Flange; 14. Connecting sleeve cover; 15. Cleaning brush; 16. Connecting plate; 17. Positioning rod; 18. Positioning hole; 19. Slot; 20. Block; 21. Pull ring; 22. Limit block; 23. Limit slot; 24. Through hole. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of 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] See also Figure 1-Figure 4 The utility model provides an embodiment: an impurity filtering structure for an ultraviolet air disinfector, comprising an air inlet filter tube 1, the bottom end of the outer portion of the air inlet filter tube 1 is sleeved with a flange 13, which is connected to the air inlet of the disinfector through a bolt assembly, a fixing ring 7 is installed at the top end of the inner portion of the air inlet filter tube 1, and a limiting groove 23 is evenly provided at the top end of the fixing ring 7;

[0023] There are multiple limiting grooves 23, and the limiting grooves 23 are distributed in a cross shape on the fixing ring 7;

[0024] Specifically, Figure 1 , Figure 3 As shown, when in use, the limiting groove 23 and the limiting block 22 cooperate to limit the fixing frame 6 left and right, front and back, to prevent the V-shaped filter element 8 from shaking left and right during use, and to improve the stability of the installation of the V-shaped filter element 8;

[0025] The limiting blocks 22 are evenly installed inside the limiting groove 23, and the top of the limiting blocks 22 is connected to the fixing frame 6, the bottom of the fixing frame 6 is installed with a V-shaped filter element 8, and the top of the air intake filter pipe 1 is provided with a fixing component to limit the top of the fixing frame 6;

[0026] The fixing assembly includes a top cover 2 sleeved on the top of the air intake filter tube 1, and the top cover 2 is threadedly connected to the outer wall of the air intake filter tube 1, and a pressure ring 5 is installed at the bottom end of the top cover 2, and the bottom end of the pressure ring 5 is against the top of the fixing frame 6, and the outer wall of the pressure ring 5 is against the inner wall of the air intake filter tube 1;

[0027] The interior of the top cover 2 is connected to a rotating ring 3 through a guide groove, and the bottom end of the rotating ring 3 is connected to the top end of a V-shaped movable plate 4, and the V-shaped movable plate 4 is located on the central axis of the rotating ring 3;

[0028] Specifically, Figure 1 and Figure 4 As shown, when in use, a threaded connection is used to facilitate installation of the top cover 2, and under the action of the pressure ring 5, the fixing ring 7 is cooperated to fix the fixing frame 6 up and down, thereby preventing the V-shaped filter element 8 from being removed from the air intake filter tube 1 at will, and the guide groove is used to ensure the rotation stability of the V-shaped movable plate 4 during the rotation process, thereby ensuring the cleaning brush 15 to clean the inner wall of the V-shaped filter element 8;

[0029] A V-shaped movable plate 4 is installed at the bottom of the fixed component, and cleaning brushes 15 are installed on both sides of the bottom of the V-shaped movable plate 4. The bottom ends of the cleaning brushes 15 are against the inner wall of the V-shaped filter element 8. A through hole 24 is opened at the bottom of the V-shaped movable plate 4.

[0030] The inner diameter of the through hole 24 is larger than the inner diameter of the rotating shaft 11, and the position of the through hole 24 corresponds to the position of the rotating shaft 11 in the upper and lower directions;

[0031] Specifically, Figure 1 , Figure 2 As shown, when in use, the through hole 24 is used to facilitate the rotation shaft 11 to pass through the top of the bottom end of the V-shaped movable plate 4, so as to facilitate the connection operation between the V-shaped movable plate 4 and the rotation shaft 11 from the outside, and then does not affect the disassembly and cleaning of the V-shaped movable plate 4;

[0032] A support frame 9 is installed inside the air inlet filter tube 1 below the V-shaped filter element 8, and a rotating shaft 11 is penetrated inside the support frame 9, a servo motor 10 is installed at the bottom end of the rotating shaft 11, and air inlet blades 12 are evenly installed on both sides of the rotating shaft 11 to suck air from above, and the top end of the rotating shaft 11 sequentially penetrates the top end of the V-shaped filter element 8 and the inside of the through hole 24 and is provided with a connecting mechanism to realize the connection relationship between the rotating shaft 11 and the V-shaped movable plate 4;

[0033] The connection mechanism includes a connection cover 14 sleeved on the top of the rotating shaft 11, and a pull ring 21 is installed on the top of the connection cover 14, and a card slot 19 is opened on the top of both sides of the rotating shaft 11, and a card block 20 is installed inside the card slot 19, and one side of the card block 20 is connected to the inner wall of the connection cover 14, and a connection plate 16 is installed on both sides of the connection cover 14, and a positioning rod 17 is installed at the bottom end of the connection plate 16, and a positioning hole 18 is correspondingly opened at the bottom end of the V-shaped movable plate 4 below the positioning rod 17, and the bottom end of the positioning rod 17 passes through the inside of the positioning hole 18;

[0034] The cross section of the clamp block 20 is semicircular, and the clamp block 20 is clamped with the clamp slot 19, so as to facilitate the connection of the connecting cover 14 and the rotating shaft 11 while preventing the connecting cover 14 and the rotating shaft 11 from rotating out of position;

[0035] Specifically, Figure 1 , Figure 2 As shown, when in use, the card slot 19 and the card block 20 are used to cooperate to limit and fix the connecting cover 14, and the fixing method is simple to operate and realizes the radial limitation of the connecting cover 14, so as to ensure that the rotation of the rotating shaft 11 can synchronously drive the connecting cover 14 to rotate, combined with the function of the positioning rod 17 and the positioning hole 18, the rotation of the rotating shaft 11 can synchronously realize the rotation and cleaning work of the V-shaped movable plate 4.

[0036] Working principle: When the utility model is used, firstly, the air inlet filter tube 1 is connected to the air inlet of the ultraviolet air disinfector through the action of the bolts and the flange 13, and then the fixing frame 6 is vertically inserted into the interior of the air inlet filter tube 1, so that the limiting block 22 and the limiting groove 23 are inserted correspondingly, and the top end of the rotating shaft 11 passes through the bottom end of the V-shaped filter element 8, thereby realizing the preliminary fixation of the V-shaped filter element 8;

[0037] Secondly, the top cover 2 is vertically placed on the top of the air intake filter tube 1, the V-shaped movable plate 4 is inserted into the interior of the V-shaped filter element 8, the rotating shaft 11 passes through the interior of the through hole 24, and then the top cover 2 is screwed so that the top cover 2 is sleeved on the top of the air intake filter tube 1, and the bottom end of the pressure ring 5 is abutted against the top end of the fixing frame 6, thereby further fixing the V-shaped filter element 8 to prevent the V-shaped filter element 8 from falling out of the air intake filter tube 1;

[0038] Finally, rotate the rotating ring 3 to adjust the position of the positioning hole 18, and then use the pull ring 21 to put the connecting cover 14 on the top of the rotating shaft 11, so that the block 20 is inserted into the inside of the card slot 19, and then fix the connecting cover 14, and insert the positioning rod 17 into the inside of the positioning hole 18 while inserting it, so as to connect the rotating shaft 11 with the V-shaped movable plate 4, start the servo motor 10, so that the rotating shaft 11 drives the air intake fan blades 12 to rotate, so that the air enters the V-shaped filter element 8 from the air inlet of the top cover 2 for filtration. During the rotation of the rotating shaft 11, the connecting plate 16 and the positioning rod 17 are used to synchronously drive the V-shaped movable plate 4 to rotate, so that the cleaning brush 15 rubs the inner wall of the V-shaped filter element 8 to prevent the V-shaped filter element 8 from being blocked by air dust.

[0039] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. An impurity filtering structure for an ultraviolet air disinfector, comprising an air intake filter tube (1), characterized in that: The bottom end of the outside of the air inlet filter tube (1) is sleeved with a flange (13), which is connected to the air inlet of the sterilizer through a bolt assembly. A fixing ring (7) is installed at the top end of the inside of the air inlet filter tube (1), and the top end of the fixing ring (7) is evenly provided with a limiting groove (23). The inside of the limiting groove (23) is evenly installed with a limiting block (22), and the top end of the limiting block (22) is connected to a fixing frame (6). The bottom end of the fixing frame (6) is installed with a V-shaped filter element (8). The top end of the air inlet filter tube (1) is provided with a fixing assembly to facilitate limiting the top end of the fixing frame (6). The bottom end of the fixing assembly is installed with a V-shaped movable plate (4), and both sides of the bottom end of the V-shaped movable plate (4) are A cleaning brush (15) is installed, and the bottom end of the cleaning brush (15) is against the inner wall of the V-shaped filter element (8). A through hole (24) is opened at the bottom end of the V-shaped movable plate (4). A support frame (9) is installed inside the air intake filter tube (1) below the V-shaped filter element (8), and a rotating shaft (11) passes through the inside of the support frame (9). A servo motor (10) is installed at the bottom end of the rotating shaft (11). Intake fan blades (12) are evenly installed on both sides of the rotating shaft (11) to suck air from above. The top end of the rotating shaft (11) passes through the top end of the V-shaped filter element (8) and the inside of the through hole (24) in sequence, and a connecting mechanism is provided to realize the connection relationship between the rotating shaft (11) and the V-shaped movable plate (4).

2. The impurity filtering structure for ultraviolet air disinfection machine according to claim 1, characterized in that: The fixing assembly comprises a top cover (2) sleeved on the top end of the air intake filter tube (1), and the top cover (2) is threadedly connected to the outer wall of the air intake filter tube (1), a pressure ring (5) is installed at the bottom end inside the top cover (2), and the bottom end of the pressure ring (5) abuts against the top end of the fixing frame (6), and the outer wall of the pressure ring (5) abuts against the inner wall of the air intake filter tube (1).

3. The impurity filtering structure for ultraviolet air disinfection machine according to claim 2, characterized in that: The interior of the top cover (2) is connected to a rotating ring (3) via a guide groove, and the bottom end of the rotating ring (3) is connected to the top end of a V-shaped movable plate (4), and the V-shaped movable plate (4) is located on the central axis of the rotating ring (3).

4. The impurity filtering structure for ultraviolet air disinfection machine according to claim 1, characterized in that: A plurality of the limiting grooves (23) are provided, and the limiting grooves (23) are distributed in a cross shape on the fixing ring (7).

5. The impurity filtering structure for ultraviolet air disinfection machine according to claim 1, characterized in that: The inner diameter of the through hole (24) is greater than the inner diameter of the rotating shaft (11), and the position of the through hole (24) corresponds to the position of the rotating shaft (11) in the upper and lower directions.

6. The impurity filtering structure for ultraviolet air disinfection machine according to claim 1, characterized in that: The connection mechanism comprises a connection cover (14) sleeved on the top of the rotating shaft (11), and a pull ring (21) is installed on the top of the connection cover (14), a clamping groove (19) is opened on the top of both sides of the rotating shaft (11), and a clamping block (20) is installed inside the clamping groove (19), one side of the clamping block (20) is connected to the inner wall of the connection cover (14), a connection plate (16) is installed on both sides of the connection cover (14), and a positioning rod (17) is installed at the bottom end of the connection plate (16), and a positioning hole (18) is correspondingly opened at the bottom end of the V-shaped movable plate (4) below the positioning rod (17), and the bottom end of the positioning rod (17) passes through the inside of the positioning hole (18).

7. The impurity filtering structure for ultraviolet air disinfection machine according to claim 6, characterized in that: The cross section of the clamping block (20) is semicircular, and the clamping block (20) is clamped with the clamping groove (19) so as to facilitate connecting the connecting sleeve cover (14) and the rotating shaft (11) while preventing the connecting sleeve cover (14) and the rotating shaft (11) from rotating out of position.

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