Device for dust removal and blockage prevention in central air conditioner ventilation pipeline

Abstract

The utility model discloses a dedusting and anti-blocking device in a central air-conditioning ventilating duct, which comprises a central air-conditioning ventilating duct body, an air inlet and an air outlet are arranged on the central air-conditioning ventilating duct body, a filter plate is mounted in the central air-conditioning ventilating duct body, the filter plate is arranged in an inclined manner, and the air inlet and the air outlet are communicated with the central air-conditioning ventilating duct body. A wiping brush plate is mounted in the central air conditioner ventilation pipeline body through a guide assembly, according to the device for dust removal and blockage prevention in the central air conditioner ventilation pipeline, by means of the obliquely-arranged filter plate, after dust is blocked, some dust can easily fall down under the action of gravity, dust collection is facilitated, the knocking vibration assembly is arranged, and the dust removal and blockage prevention effects are achieved. A worker pulls a top check block by a certain distance and then loosens the top check block, under the elastic action of a reset spring, a knocking rod moves downwards and knocks a filter plate, the filter plate is vibrated and knocked, dust blocked on the surface can be effectively shaken off, and therefore the effect of rapidly cleaning the dust can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of dust removal in ventilation ducts, in particular to a device for dust removal and anti-blocking in a central air-conditioning ventilation duct. Background Art

[0002] The central air-conditioning system consists of one or more cold and heat source systems and multiple air conditioning systems. It uses the principle of liquid vaporization refrigeration to provide the required cooling capacity for the air conditioning system to offset the heat load of the indoor environment. During use, the central air-conditioning is combined with ventilation ducts to realize the transportation of hot and cold air.

[0003] After searching, the patent with application number CN202221394244.9 discloses a central air-conditioning ventilation filter duct. During the use of the central air-conditioning ventilation duct, in order to prevent the circulation of dust, a filter net is set to perform dust removal operations. However, with long-term use, there will be more dust on the filter net, and more dust will block the channel, affecting the ventilation volume of the air conditioner. Moreover, if the dust exists for a long time, it will also breed bacteria. Therefore, a device for dust removal and anti-blocking in the central air-conditioning ventilation duct is proposed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a device for dust removal and anti-clogging in a central air-conditioning ventilation duct, which is used to solve the above-mentioned problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A device for dust removal and anti-clogging in a central air-conditioning ventilation duct comprises a central air-conditioning ventilation duct body, the central air-conditioning ventilation duct body is provided with an air inlet and an air outlet, a filter plate is installed in the central air-conditioning ventilation duct body, the filter plate is arranged at an angle, a wiping brush plate is installed in the central air-conditioning ventilation duct body through a guide assembly, the wiping brush plate is in contact with the filter plate, a dust falling hole is opened on the bottom inner wall of the central air-conditioning ventilation duct body, a bottom collecting box is installed on the bottom side of the central air-conditioning ventilation duct body through an installation assembly, the bottom collecting box is located below the dust falling hole, a supporting placement assembly is provided between the bottom collecting box and the wiping brush plate, a knocking vibration assembly is provided on the central air-conditioning ventilation duct body, and the knocking vibration assembly is adapted to the filter plate.

[0007] Preferably, the guide assembly includes two guide columns fixedly mounted on the inner wall of the top side of the central air-conditioning ventilation duct body, the two guide columns are arranged parallel to the filter plate, and two guide blocks are fixedly mounted on one side of the wiping brush plate, and the two guide blocks are respectively slidably sleeved on the two guide columns.

[0008] Preferably, the mounting assembly includes a first fixing block fixedly mounted on one side of the central air-conditioning ventilation duct body, a second fixing block fixedly mounted on one side of the bottom collection box, and a same fixing bolt is installed between the first fixing block and the second fixing block.

[0009] Preferably, a positioning slot is provided on the bottom side of the central air conditioning ventilation duct body, a positioning block is installed on the top side of the bottom collection box, the positioning block and the positioning slot are both arranged in a rectangular frame structure, and the positioning block is stuck in the positioning slot.

[0010] Preferably, a sealing gasket is installed on the bottom side of the central air-conditioning ventilation duct body. The sealing gasket is arranged in a rectangular frame structure and is located between the central air-conditioning ventilation duct body and the bottom collection box.

[0011] Preferably, the supporting placement assembly includes a placement block fixedly mounted on the inner wall of the bottom side of the bottom collection box, a placement groove is opened on the top side of the placement block, a push rod is rotatably mounted on the bottom side of the wiping brush plate, and the bottom end of the push rod extends into the placement groove.

[0012] Preferably, the knocking vibration assembly includes a movable hole movably opened on the central air-conditioning ventilation duct body, a knocking rod movably installed in the movable hole, both ends of the knocking rod extend outside the movable hole, the bottom end of the knocking rod contacts one side of the filter plate, a top stopper is fixedly installed on the top of the knocking rod, one end of a return spring is fixedly installed on the bottom side of the top stopper, and the other end of the return spring is fixedly installed on the top side of the central air-conditioning ventilation duct body.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the device for dust removal and anti-blocking in the ventilation duct of the central air conditioner can block the dust through the inclined filter plate, and some dust can fall down easily under the action of gravity, which is convenient for dust collection; the knocking vibration component is set, and the staff pulls one end of the top block for a distance and then releases it, and under the elastic force of the return spring, the knocking rod moves down and knocks the filter plate, and the filter plate is vibrated and knocked, and the dust blocked on the surface can be effectively shaken off, so that the dust can be quickly cleaned, and the problem of more dust blocking the ventilation duct can be avoided through the cleaning of dust;

[0014] When the dust blockage is more serious, or the collected dust needs to be cleaned, open the fixing bolts on the fixed installation assembly, and the bottom collection box can be moved down to process the collected dust. The support placement assembly is set, and the staff can hold the push rod on the support placement assembly and move it up and down to drive the wiping brush plate to move up and down to scrape the dust on the surface of the filter plate. By wiping the dust, the filter plate is cleaner, avoiding the problem of excessive dust clogging the ventilation duct, and by cleaning the dust, the growth of bacteria can be avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the utility model in cross section;

[0017] Figure 3 It is a schematic diagram of the structure of the utility model in partial section;

[0018] Figure 4 It is a schematic diagram of the structure of the side section of the utility model;

[0019] Figure 5 For this utility model Figure 4 Schematic diagram of the structure of part A.

[0020] In the figure: 1. Central air conditioning ventilation duct body; 2. Air inlet; 3. Air outlet; 4. Filter plate; 5. Wiping brush plate; 6. Guide column; 7. Guide block; 8. Bottom collecting box; 9. Placement block; 10. Placement slot; 11. Push rod; 12. First fixing block; 13. Second fixing block; 14. Fixing bolt; 15. Positioning slot; 16. Positioning block; 17. Sealing gasket; 18. Dust drop hole; 19. Movable hole; 20. Knocking rod; 21. Reset spring; 22. Top stopper. DETAILED DESCRIPTION

[0021] 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.

[0022] Example: Refer to Figure 1-5, a device for dust removal and anti-clogging in a central air-conditioning ventilation duct, comprising a central air-conditioning ventilation duct body 1, an air inlet 2 and an air outlet 3 are arranged on the central air-conditioning ventilation duct body 1, a filter plate 4 is installed in the central air-conditioning ventilation duct body 1, and the filter plate 4 is arranged obliquely. Through the inclined filter plate 4, after blocking the dust, some dust can easily fall down under the action of gravity, which is convenient for dust collection, a wiping brush plate 5 is installed in the central air-conditioning ventilation duct body 1 through a guide component, and the wiping brush plate 5 contacts the filter plate 4, a dust falling hole 18 is opened on the inner wall of the bottom side of the central air-conditioning ventilation duct body 1, a bottom collecting box 8 is installed on the bottom side of the central air-conditioning ventilation duct body 1 through an installation component, and the bottom collecting box 8 is located below the dust falling hole 18, and the installation component comprises a first fixed block 12 fixedly installed on one side of the central air-conditioning ventilation duct body 1, and a second fixed block 13 is fixedly installed on one side of the bottom collecting box 8, and the first fixed block 12 is fixedly installed with the second fixed block 13. A same fixing bolt 14 is installed between the two fixing blocks 13, a positioning slot 15 is provided on the bottom side of the central air-conditioning ventilation duct body 1, a positioning block 16 is installed on the top side of the bottom collecting box 8, the positioning block 16 and the positioning slot 15 are both arranged in a rectangular frame structure, the positioning block 16 is stuck in the positioning slot 15, a sealing gasket 17 is installed on the bottom side of the central air-conditioning ventilation duct body 1, the sealing gasket 17 is arranged in a rectangular frame structure, and is located between the central air-conditioning ventilation duct body 1 and the bottom collecting box 8, when the dust blockage is more serious, or when the collected dust needs to be cleaned, the fixing bolt 14 on the fixed installation assembly is opened, so that the first fixing block 12 and the second fixing block 13 can be separated, the bottom collecting box 8 is moved downward and taken out, so that the collected dust can be processed, the positioning block 16 and the positioning slot 15 are arranged, and the bottom collecting box 8 can be placed and positioned, and the sealing gasket 17 is arranged, and after the bottom collecting box 8 is placed, it has a good sealing effect.

[0023] Specifically, a supporting and placing assembly is provided between the bottom collecting box 8 and the wiping brush plate 5, and the supporting and placing assembly includes a placing block 9 fixedly mounted on the inner wall of the bottom side of the bottom collecting box 8, and a placing groove 10 is opened on the top side of the placing block 9. A pushing rod 11 is rotatably installed on the bottom side of the wiping brush plate 5, and the bottom end of the pushing rod 11 extends into the placing groove 10. The guiding assembly includes two guiding columns 6 fixedly mounted on the inner wall of the top side of the central air-conditioning ventilation duct body 1, and the two guiding columns 6 are arranged parallel to the filter plate 4. Two guiding blocks 7 are fixedly mounted on one side of the wiping brush plate 5, and the two guiding blocks 7 are respectively slidably sleeved on the two guiding columns 6. A supporting and placing assembly is provided on the bottom collecting box 8. After the bottom collecting box 8 is opened, the worker The operator can hold the pushing rod 11 on the supporting placement assembly and move it up and down, driving the wiping brush plate 5 to move up and down, scraping the dust on the surface of the filter plate 4, and the scraped dust falls into the bottom collection box 8. The set guide column 6 and guide block 7 can limit the movement of the wiping brush plate 5, so that the wiping brush plate 5 is always in contact with one side of the filter plate 4 for cleaning the dust. The set placement block 9 and placement groove 10, after the bottom collection box 8 is put back and fixed, the bottom end of the pushing rod 11 is located in the placement groove 10, which can push the wiping brush plate 5 to move up and limit the position of the wiping brush plate 5. By wiping the dust, the filter plate 4 is relatively clean, avoiding the problem of excessive dust and clogging the ventilation duct.

[0024] Specifically, a knocking vibration component is provided on the central air conditioning ventilation duct body 1, and the knocking vibration component is adapted to the filter plate 4. The knocking vibration component includes an active hole 19 movably opened on the central air conditioning ventilation duct body 1, and a knocking rod 20 is movably installed in the active hole 19. Both ends of the knocking rod 20 extend outside the active hole 19, and the bottom end of the knocking rod 20 contacts one side of the filter plate 4. A top stopper 22 is fixedly installed on the top of the knocking rod 20, and one end of a return spring 21 is fixedly installed on the bottom side of the top stopper 22, and the other end of the return spring 21 is fixedly installed on the On the top side of the central air-conditioning ventilation duct body 1, after the filter plate 4 has been filtering for a period of time, the staff pulls the top stopper 22 on the knocking vibration assembly to stretch the reset spring 21. At this time, the bottom end of the knocking rod 20 is away from the filter plate 4, and it is released after pulling one end a distance. Under the elastic force of the reset spring 21, the knocking rod 20 moves down and knocks the filter plate 4. The filter plate 4 is vibrated and knocked, and the dust blocked on the surface can be effectively shaken off, thereby quickly cleaning the dust. By cleaning the dust, the problem of more dust clogging the ventilation duct can be avoided.

[0025] When in use: a filter plate 4 is installed in the ventilation duct body 1 of the central air conditioner, and the filter plate 4 is arranged at an angle. Through the inclined filter plate 4, after blocking the dust, some dust can easily fall down under the action of gravity, which is convenient for dust collection. After the filter plate 4 has been filtered for a period of time, the staff pulls the top stopper 22 on the knocking vibration assembly to stretch the reset spring 21. At this time, the bottom end of the knocking rod 20 is away from the filter plate 4, and is released after pulling one end a distance. Under the elastic force of the reset spring 21, the knocking rod 20 moves down and knocks the filter plate 4. The filter plate 4 is vibrated and knocked, and the dust blocked on the surface can be effectively shaken off, thereby quickly cleaning the dust. Through the cleaning of the dust, the problem of more dust blocking the ventilation duct can be avoided. When the dust blockage is more serious, or when the collected dust needs to be cleaned, the fixing bolts 14 on the fixed installation assembly are opened, so that the first fixing block 12 and the second fixing block 13 can be separated, and the bottom collection box 8 is moved downward and taken out, so that the collected dust can be processed. The positioning card block 16 and the positioning card slot 15 are set, which can realize the placement and positioning of the bottom collection box 8. The sealing gasket 17 is set. After the bottom collection box 8 is placed, it has a good sealing effect. The bottom collection box 8 is provided with a supporting placement component. After the bottom collection box 8 is opened, the staff can hold the pushing rod 11 on the supporting placement component and move it up and down, driving the wiping brush plate 5 to move up and down, and the dust on the surface of the filter plate 4 is scraped off. The scraped dust falls into the bottom collection box 8. The set guide column 6 and the guide block 7 can limit the movement of the wiping brush plate 5 so that the wiping brush plate 5 is always in contact with one side of the filter plate 4 for dust cleaning. The set placement block 9 and the placement slot 10, after the bottom collection box 8 is put back and fixed, the bottom end of the pushing rod 11 is located in the placement slot 10, which can push the wiping brush plate 5 to move up, limit the position of the wiping brush plate 5, and through the wiping of dust, the filter plate 4 is relatively clean, avoiding the problem of too much dust and clogging the ventilation duct. Through the cleaning of dust, the breeding of bacteria can be avoided, and it is convenient to use.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for dust removal and anti-clogging in a central air-conditioning ventilation duct, comprising a central air-conditioning ventilation duct body (1), characterized in that: The central air conditioning ventilation duct body (1) is provided with an air inlet (2) and an air outlet (3); a filter plate (4) is installed in the central air conditioning ventilation duct body (1); the filter plate (4) is arranged in an inclined manner; a wiping brush plate (5) is installed in the central air conditioning ventilation duct body (1) through a guide component; the wiping brush plate (5) is in contact with the filter plate (4); a dust drop hole (18) is opened on the inner wall of the bottom side of the central air conditioning ventilation duct body (1); a bottom collection box (8) is installed on the bottom side of the central air conditioning ventilation duct body (1) through a mounting component; the bottom collection box (8) is located below the dust drop hole (18); a supporting placement component is provided between the bottom collection box (8) and the wiping brush plate (5); a knocking vibration component is provided on the central air conditioning ventilation duct body (1); the knocking vibration component is adapted to the filter plate (4).

2. A device for dust removal and anti-clogging in a central air-conditioning ventilation duct according to claim 1, characterized in that: The guide assembly comprises two guide columns (6) fixedly mounted on the inner wall of the top side of the central air conditioning ventilation duct body (1), the two guide columns (6) being arranged in parallel with the filter plate (4), and two guide blocks (7) being fixedly mounted on one side of the wiping brush plate (5), the two guide blocks (7) being respectively slidably sleeved on the two guide columns (6).

3. The device for dust removal and anti-clogging in a central air-conditioning ventilation duct according to claim 1, characterized in that: The mounting assembly comprises a first fixing block (12) fixedly mounted on one side of a central air conditioning ventilation duct body (1), a second fixing block (13) fixedly mounted on one side of a bottom collection box (8), and a same fixing bolt (14) mounted between the first fixing block (12) and the second fixing block (13).

4. The device for dust removal and anti-clogging in a central air-conditioning ventilation duct according to claim 1, characterized in that: The bottom side of the central air conditioning ventilation duct body (1) is provided with a positioning card slot (15), and the top side of the bottom collection box (8) is provided with a positioning card block (16), the positioning card block (16) and the positioning card slot (15) are both arranged in a rectangular frame structure, and the positioning card block (16) is stuck in the positioning card slot (15).

5. A device for dust removal and anti-clogging in a central air-conditioning ventilation duct according to claim 4, characterized in that: A sealing gasket (17) is installed on the bottom side of the central air-conditioning ventilation duct body (1); the sealing gasket (17) is arranged in a rectangular frame structure and is located between the central air-conditioning ventilation duct body (1) and the bottom collection box (8).

6. The device for dust removal and anti-clogging in a central air-conditioning ventilation duct according to claim 1, characterized in that: The supporting placement assembly comprises a placement block (9) fixedly mounted on the inner wall of the bottom side of the bottom collection box (8), a placement groove (10) is provided on the top side of the placement block (9), a push rod (11) is rotatably mounted on the bottom side of the wiping brush plate (5), and the bottom end of the push rod (11) extends into the placement groove (10).

7. The device for dust removal and anti-clogging in a central air-conditioning ventilation duct according to claim 1, characterized in that: The knocking vibration component comprises an active hole (19) movably opened on the central air conditioning ventilation duct body (1), a knocking rod (20) is movably installed in the active hole (19), both ends of the knocking rod (20) extend outside the active hole (19), the bottom end of the knocking rod (20) contacts one side of the filter plate (4), a top stopper (22) is fixedly installed on the top of the knocking rod (20), one end of a return spring (21) is fixedly installed on the bottom side of the top stopper (22), and the other end of the return spring (21) is fixedly installed on the top side of the central air conditioning ventilation duct body (1).

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