Air treatment device for building ventilation duct

Abstract

The present invention relates to the technical field of ventilation ducts, and discloses an air treatment device for building ventilation ducts, including a ventilation duct body, a suction hood fixedly installed at one end of the ventilation duct body, a filter plate fixedly installed between the suction hood and the ventilation duct body, two partitions symmetrically fixedly installed in the suction hood, a cleaning mechanism is provided between the two partitions, a square slot hole is opened on the surface of each partition, and a switching mechanism for installing the cleaning mechanism is provided in the two square slot holes. The present invention drives a cleaning roller brush to rotate through a switching mechanism to clean the filter plate, and the cleaning roller brush is electrified by friction with a wool cotton block during the rotation process, so that the cleaning roller brush can absorb and clean the fallen dust while cleaning the filter plate, avoiding shutdown for disassembly and cleaning, and improving the continuous working capacity of the equipment. At the same time, the dust and other impurities that are cleaned are collected by the cleaning roller brush and the cleaning box, avoiding the impurities from scattering around and polluting the environment.

Description

Technical Field

[0001] The invention relates to the technical field of ventilation ducts, and in particular to an air treatment device for a building ventilation duct. Background Art

[0002] Ventilation ducts refer to piping systems used to transport air, regulate air flow and maintain indoor air quality. In industrial production environments, ventilation ducts are used to remove harmful gases, dust or chemicals from buildings to protect the health and safety of workers. A good ventilation system can effectively reduce air pollution and the risk of occupational diseases.

[0003] In the prior art, an air treatment device for a building ventilation duct (Announcement No.: CN217567912U) pulls a pull plate to retract the card block extrusion spring into the fixed groove, and then installs the fixed frame in the air outlet. The elastic force of the spring pushes the card block to reset and fits into the card groove to complete the installation operation of the filter. The operation is relatively simple, time-saving and labor-saving. However, the filter plate will be blocked by dust and impurities after being used for a period of time, affecting the fluidity of the airflow. It is necessary to stop the machine frequently, and then disassemble the filter plate for cleaning, which affects the continuous operation of the equipment and reduces the exhaust efficiency of the equipment. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose an air treatment device for building ventilation ducts.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] An air handling device for a building ventilation duct comprises a ventilation duct body, an air suction hood is fixedly installed at one end of the ventilation duct body, a filter plate is fixedly installed between the air suction hood and the ventilation duct body, two partitions are symmetrically fixedly installed in the air suction hood, a cleaning mechanism is arranged between the two partitions, a square slot hole is opened on the surface of each partition, a transfer mechanism for installing the cleaning mechanism is arranged in the two square slot holes, the cleaning mechanism comprises a cleaning box, a cleaning roller brush and a main shaft, the interior of the cleaning roller brush is a hollow structure, end caps are fixedly installed at both ends of the cleaning roller brush, and the two A counterweight is rotatably installed on one adjacent side of the end cover, and a square protrusion is provided on one adjacent side of the two counterweights. Grooves matching the square protrusions are provided at both ends of the main shaft. The main shaft is slidably embedded between the two counterweights. A plurality of limit blocks are evenly and symmetrically fixed on the outer arc surfaces of the two ends of the main shaft. An arc plate is slidably sleeved between the two symmetrical limit blocks, and a first spring is fixedly installed between the bottom of each arc plate and the main shaft. A wool cotton block is fixedly installed on the other side of each arc plate, and one side of each wool cotton block is against the inner wall of the cleaning roller brush.

[0007] As a further solution of the present invention, the switching mechanism includes a second slider, a switching cylinder and a docking pin. The second slider is slidably installed in the square slot hole, and the switching cylinder is rotatably installed in the second slider.

[0008] As a further solution of the present invention, the docking pin is slidably installed in the adapter tube, a second spring is sleeved on the surface of one end of the docking pin, one end of the second spring is fixedly installed on one side of the adapter tube, and a driven bevel gear is fixedly installed on one end of the adapter tube.

[0009] As a further solution of the present invention, a limiting groove adapted to the docking pin is provided on the far side of the two end covers, a third slider is slidably installed in the air suction hood, an active bevel gear meshing with the driven bevel gear is rotatably installed at the bottom of the third slider, and a helical rack meshing with the active bevel gear is fixedly installed on one side of the air suction hood.

[0010] As a further solution of the present invention, a reciprocating screw is rotatably installed in the air suction hood, one end of the reciprocating screw passes through the outer surface of the third slider and is threadedly connected to the third slider, the third slider is fixedly installed on one side of the adjacent second slider through a connecting rod, a servo motor is fixedly installed on one side of the outer surface of the air suction hood, and the output end of the servo motor is fixedly installed to the rotation center of one end of the reciprocating screw.

[0011] As a further solution of the present invention, the top of the cleaning box is an open structure, and first sliders are symmetrically fixedly installed on both sides of the top of the cleaning box. Two first sliders are slidably installed on one side of two partitions respectively, and a rubber plate is slidably installed in the cleaning box.

[0012] As a further solution of the present invention, the rubber plate is respectively against the inner wall of the cleaning box on all sides, and two shoulder columns are symmetrically fixedly installed on the bottom of the rubber plate. Tension springs are sleeved on the surfaces of the two shoulder columns, and the tops of the two tension springs are fixedly installed on the bottom of the cleaning box.

[0013] As a further solution of the present invention, a water hole is opened in the middle of the top of the rubber plate, a water pipe is fixedly installed in the water hole, a valve is provided in the water pipe, a circular hole compatible with the shoulder column and the water pipe is opened at the bottom of the cleaning box, the two shoulder columns and the water pipe are respectively slidably installed in the corresponding circular holes, and the cleaning box is filled with an appropriate amount of cleaning water through the water pipe.

[0014] As a further solution of the present invention, two guide blocks are symmetrically fixedly installed on both sides of the bottom of the suction hood, and each of the guide blocks has an inclined structure on the side close to the cleaning box.

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

[0016] By setting up a cleaning mechanism, starting the servo motor drives the cleaning mechanism to reciprocate from the bottom of the filter plate. During the movement, the active bevel gear and the helical rack mesh to rotate, and the active bevel gear drives the driven bevel gear to rotate. The driven bevel gear drives the cleaning roller brush to rotate through the adapter mechanism to clean the filter plate. During the rotation process, the cleaning roller brush and the wool cotton block generate electricity through friction. Then, the cleaning roller brush can absorb and clean the fallen dust while cleaning the filter plate, so that the equipment can automatically clean the filter plate in the exhaust working state, avoiding shutdown, disassembly and cleaning, thereby improving the continuous working capacity of the equipment. At the same time, the dust and other impurities that are cleaned are collected by the cleaning roller brush and the cleaning box to avoid impurities scattering around and polluting the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of an air treatment device for building ventilation ducts proposed by the present invention;

[0018] Figure 2 This is a schematic diagram of the structure of an air treatment device for a building ventilation duct proposed by the present invention from a bottom view;

[0019] Figure 3 A schematic diagram of the structure of an air suction hood of an air handling device for a building ventilation duct proposed by the present invention;

[0020] Figure 4 A schematic diagram of a partition structure of an air handling device for a building ventilation duct proposed by the present invention;

[0021] Figure 5 A schematic cross-sectional view of a cleaning mechanism of an air treatment device for a building ventilation duct proposed by the present invention;

[0022] Figure 6 for Figure 5 A schematic diagram of the enlarged structure of part A;

[0023] Figure 7 This is a schematic diagram of the exploded structure of a cleaning mechanism of an air handling device for a building ventilation duct proposed by the present invention;

[0024] Figure 8 for Figure 7 Schematic diagram of the enlarged structure of part B.

[0025] In the figure: 1. ventilation duct body; 2. suction hood; 3. servo motor; 4. partition; 401. square slot hole; 5. guide block; 6. cleaning mechanism; 601. cleaning box; 602. cleaning roller brush; 603. first slider; 604. main shaft; 605. arc plate; 606. wool cotton block; 607. first spring; 608. limit block; 609. counterweight block; 610. end cover; 7. shoulder column; 8. filter plate; 9. rubber plate; 10. tension spring; 11. second slider; 12. adapter cylinder; 13. driven bevel gear; 14. docking pin; 15. driving bevel gear; 16. third slider; 17. bevel rack; 18. reciprocating screw; 19. second spring; 20. water pipe. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0027] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" 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.

[0029] Reference Figure 1-Figure 8A building ventilation duct air treatment device comprises a ventilation duct body 1, a suction hood 2 is fixedly installed at one end of the ventilation duct body 1, a filter plate 8 is fixedly installed between the suction hood 2 and the ventilation duct body 1, two partitions 4 are symmetrically fixedly installed in the suction hood 2, a cleaning mechanism 6 is arranged between the two partitions 4, a square slot hole 401 is opened on the surface of each partition 4, a transfer mechanism for installing the cleaning mechanism 6 is arranged in the two square slot holes 401, the cleaning mechanism 6 comprises a cleaning box 601, a cleaning roller brush 602 and a main shaft 604, the cleaning roller brush 602 has a hollow structure inside, end caps 610 are fixedly installed at both ends of the cleaning roller brush 602, and the two end caps 610 are adjacent to each other on one side Counterweight blocks 609 are rotatably installed, and square protrusions are provided on adjacent sides of the two counterweight blocks 609. Grooves matching the square protrusions are provided at both ends of the main shaft 604. The main shaft 604 is slidably embedded between the two counterweight blocks 609. Multiple limit blocks 608 are evenly fixedly installed on the outer arc surfaces at both ends of the main shaft 604 in a symmetrical circle. An arc plate 605 is slidably sleeved between the two symmetrical limit blocks 608. A first spring 607 is fixedly installed between the bottom of each arc plate 605 and the main shaft 604. A wool cotton block 606 is fixedly installed on the other side of each arc plate 605, and one side of each wool cotton block 606 is against the inner wall of the cleaning roller brush 602.

[0030] When in use, the servo motor 3 is started to drive the cleaning mechanism 6 to reciprocate from the bottom of the filter plate 8. During the movement, the cleaning roller brush 602 is driven to rotate through the adapter mechanism to clean the filter plate 8. During the rotation process, the cleaning roller brush 602 is electrified by friction with the wool cotton block 606, so that the cleaning roller brush 602 can absorb and clean the fallen dust while cleaning the filter plate 8, so that the equipment can automatically clean the filter plate 8 in the exhaust working state, avoiding shutdown and disassembly for cleaning, thereby improving the continuous working ability of the equipment. At the same time, the cleaned dust and other impurities are collected by the cleaning roller brush 602 and the cleaning box 601 to avoid impurities scattering around and polluting the environment.

[0031] In this embodiment, the transfer mechanism includes a second slider 11, a transfer cylinder 12 and a docking pin 14. The second slider 11 is slidably installed in the square slot 401. The transfer cylinder 12 is rotatably installed in the second slider 11. The docking pin 14 is slidably installed in the transfer cylinder 12. A second spring 19 is sleeved on the surface of one end of the docking pin 14. One end of the second spring 19 is fixedly installed on one side of the transfer cylinder 12. A driven bevel gear 13 is fixedly installed on one end of the transfer cylinder 12. A limiting groove adapted to the docking pin 14 is provided on the far side of the two end covers 610. A second spring 19 is slidably installed in the air suction hood 2. There are three sliders 16, and a driving bevel gear 15 meshing with the driven bevel gear 13 is rotatably installed at the bottom of the third slider 16. A helical rack 17 meshing with the driving bevel gear 15 is fixedly installed on one side of the air suction hood 2. A reciprocating screw 18 is rotatably installed in the air suction hood 2, and one end of the reciprocating screw 18 passes through the outer surface of the third slider 16 and is threadedly connected with it. The third slider 16 is fixedly installed on one side of the adjacent second slider 11 through a connecting rod. A servo motor 3 is fixedly installed on one side of the outer surface of the air suction hood 2, and the output end of the servo motor 3 is fixedly installed with the rotation center of one end of the reciprocating screw 18.

[0032] When in use, the third slider 16 is driven by the reciprocating screw rod 18 to slide back and forth in the air suction hood 2, and the third slider 16 drives the second slider 11 to slide back and forth in the square slot hole 401 through the connecting rod, thereby driving the cleaning mechanism 6 to move at the bottom of the filter plate 8. At the same time, the third slider 16 drives the active bevel gear 15 to mesh with the helical rack 17 and rotate. There is an appropriate transmission ratio between the active bevel gear 15 and the driven bevel gear 13, so that the active bevel gear 15 rotates one circle and the driven bevel gear 13 can rotate multiple circles, so that the cleaning roller brush 602 can clean the places it passes more cleanly, thereby improving the cleaning efficiency of the equipment. In the embodiment of the present invention, a transfer mechanism is provided, and the docking pin 14 is pushed into the limiting groove on one side of the end cover 610 by the restoring force of the second spring 19, so that the transfer cylinder 12 is driven to rotate when the driven bevel gear 13 rotates. The transfer cylinder 12 drives the end cover 610 to rotate through the docking pin 14 inside it, and then drives the cleaning roller brush 602 to rotate, so that it cleans the filter plate 8 and absorbs dust. A slot hole that is compatible with the other end of the docking pin 14 is provided on the surface of the driven bevel gear 13, which is convenient for pulling the docking pin 14 to release its connection with the cleaning mechanism 6, thereby improving the convenience of disassembly and assembly of the cleaning mechanism 6 and the consistency of linkage.

[0033] In this embodiment, the top of the cleaning box 601 is an open structure, and the first sliders 603 are symmetrically fixedly installed on both sides of the top of the cleaning box 601. The two first sliders 603 are slidably installed on one side of the two partitions 4 respectively. A rubber plate 9 is slidably installed in the cleaning box 601. The four sides of the rubber plate 9 are respectively against the inner wall of the cleaning box 601. The bottom of the rubber plate 9 is symmetrically fixedly installed with two shoulder columns 7. The surfaces of the two shoulder columns 7 are sleeved with tension springs 10. The tops of the two tension springs 10 are fixed to the bottom of the cleaning box 601. Fixed installation, a water hole is opened in the middle of the top of the rubber plate 9, a water pipe 20 is fixedly installed in the water hole, a valve is arranged in the water pipe 20, a round hole matching with the shoulder column 7 and the water pipe 20 is opened at the bottom of the cleaning box 601, the two shoulder columns 7 and the water pipe 20 are slidably installed in the corresponding round holes, the cleaning box 601 is filled with a proper amount of cleaning water through the water pipe 20, two guide blocks 5 are symmetrically fixedly installed on both sides of the bottom of the air suction hood 2, and each guide block 5 has an inclined structure on the side close to the cleaning box 601.

[0034] During use, the cleaning box 601 can be used to collect fallen dust and other impurities. At the same time, the rise of the rubber plate 9 can drive the water in the cleaning box 601 to contact the cleaning roller brush 602, so that the charge in the cleaning roller brush 602 can be conducted and released. Combined with the contact with the cleaning water, the cleaning roller brush 602 can clean itself, which is convenient for it to keep clean and improve the cleaning effect of the equipment on the filter plate 8. Each time the rubber plate 9 rises, when the cleaning box 601 moves to the edge of the suction cover 2, the shoulder column 7 is abutted against the surface of the guide block 5 to achieve the rise of the rubber plate 9. When the cleaning box 601 is below the filter plate 8, under the reset force of the tension spring 10, the rubber plate 9 descends and resets. At this time, the cleaning water is separated from the cleaning roller brush 602 to avoid the loss of surface charge. The cleaning box 601 is made of stainless steel, which is convenient for conductivity and corrosion resistance, and improves its service life. A water pipe 20 is provided to facilitate filling clean cleaning water into the cleaning box 601 through the water pipe 20. At the same time, it can be used to discharge sewage, which improves the convenience of equipment use.

[0035] From the above description, it can be seen that the above-mentioned embodiment of the present invention achieves the following technical effects: when in use, the cleaning mechanism 6 is first assembled, and the main shaft 604 with the wool cotton block 606 installed is inserted into the cleaning roller brush 602. Under the action of the first spring 607, the wool cotton block 606 always abuts against the inner wall of the cleaning roller brush 602 to prevent the wool cotton block 606 from being separated from the cleaning roller brush 602 after loss. The inner wall of the cleaning roller brush 602 is coated with a suitable friction enhancer to increase the effect of frictional charging. Then, the end caps 610 are fixedly installed at both ends of the cleaning roller brush 602, and the main shaft 604 is limited by the counterweights 609 at both ends. During the rotation of the cleaning roller brush 602, the counterweights 609 drive the main shaft 604 and the cleaning roller brush 602 to maintain a state of relative motion, so that the cleaning roller brush 602 and the wool cotton block 606 can produce a frictional charging effect. The filter plate 8 can be cleaned by the rotation of the cleaning roller brush 602, and the dust cleaned up can be adsorbed by the charge carried on its surface to prevent the dust from floating to the four sides of the equipment and polluting the surrounding environment.

[0036] The cleaning box 601 can be used to collect fallen dust and other impurities, and can also be used to clean the cleaning roller brush 602 after it is separated from the filter plate 8, so that the cleaning roller brush 602 can remain in a clean state to clean the filter plate 8, thereby improving the cleaning effect of the equipment on the filter plate 8.

[0037] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An air handling device for a building ventilation duct, comprising a ventilation duct body (1), characterized in that: An air suction hood (2) is fixedly mounted on one end of the ventilation duct body (1), a filter plate (8) is fixedly mounted between the air suction hood (2) and the ventilation duct body (1), two partitions (4) are symmetrically fixedly mounted inside the air suction hood (2), a cleaning mechanism (6) is arranged between the two partitions (4), a square slot (401) is opened on the surface of each partition (4), a transfer mechanism for installing the cleaning mechanism (6) is arranged in the two square slots (401), the cleaning mechanism (6) comprises a cleaning box (601), a cleaning roller brush (602) and a main shaft (604), the interior of the cleaning roller brush (602) is a hollow structure, end covers (610) are fixedly mounted on both ends of the cleaning roller brush (602), the two partitions (4) are provided with a plurality of spacers (610) and a plurality of spacers (610) are provided. A counterweight (609) is rotatably mounted on one adjacent side of the end cover (610), a square protrusion is provided on one adjacent side of the two counterweights (609), grooves matching the square protrusions are provided at both ends of the main shaft (604), the main shaft (604) is slidably embedded between the two counterweights (609), a plurality of limit blocks (608) are evenly and symmetrically fixedly mounted on the outer arc surfaces at both ends of the main shaft (604), an arc plate (605) is slidably sleeved between the two symmetrical limit blocks (608), a first spring (607) is fixedly mounted between the bottom of each arc plate (605) and the main shaft (604), and a woolen cotton block (606) is fixedly mounted on the other side surface of each arc plate (605). ), one side of each of the wool cotton blocks (606) is against the inner wall of the cleaning roller brush (602), the two counterweight blocks (609) limit the main shaft (604) and during the rotation of the cleaning roller brush (602), the counterweight blocks (609) drive the main shaft (604) and the cleaning roller brush (602) to maintain a state of relative motion, the cleaning roller brush (602) and the wool cotton blocks (606) produce a friction electrification effect, the top of the cleaning box (601) is an open structure, and the first sliders (603) are symmetrically fixedly installed on both sides of the top of the cleaning box (601), and the two first sliders (603) are respectively slidably installed on one side of the two partitions (4), and a rubber plate (9) is slidably installed in the cleaning box (601). The rubber plate (9) is respectively abutted against the inner wall of the cleaning box (601) on all sides. Two shoulder columns (7) are symmetrically fixedly installed at the bottom of the rubber plate (9). The surfaces of the two shoulder columns (7) are sleeved with tension springs (10). The tops of the two tension springs (10) are fixedly installed at the bottom of the cleaning box (601). A water hole is opened in the middle of the top of the rubber plate (9). A water pipe (20) is fixedly installed in the water hole. A valve is provided in the water pipe (20). A circular hole matching the shoulder column (7) and the water pipe (20) is opened at the bottom of the cleaning box (601). The two shoulder columns (7) and the water pipe (20) are respectively slidably installed in the corresponding circular holes. The cleaning box (601) is filled with an appropriate amount of cleaning water through the water pipe (20).Two guide blocks (5) are symmetrically fixedly installed on both sides of the bottom of the air suction cover (2), and each guide block (5) has an inclined surface structure on one side close to the cleaning box (601), and the shoulder column (7) abuts against the surface of the guide block (5) to realize the rise of the rubber plate (9).

2. A building ventilation duct air treatment device according to claim 1, characterized in that: The switching mechanism comprises a second slider (11), a switching cylinder (12) and a docking pin (14); the second slider (11) is slidably mounted in the square slot hole (401); and the switching cylinder (12) is rotatably mounted in the second slider (11).

3. A building ventilation duct air treatment device according to claim 2, characterized in that: The docking pin (14) is slidably mounted in the adapter tube (12); a second spring (19) is sleeved on the surface of one end of the docking pin (14); one end of the second spring (19) is fixedly mounted on one side of the adapter tube (12); and a driven bevel gear (13) is fixedly mounted on one end of the adapter tube (12).

4. The building ventilation duct air treatment device according to claim 3, characterized in that: A limiting groove adapted to the docking pin (14) is provided on one side away from the two end covers (610); a third slider (16) is slidably mounted in the air suction cover (2); a driving bevel gear (15) meshing with the driven bevel gear (13) is rotatably mounted at the bottom of the third slider (16); and a helical rack (17) meshing with the driving bevel gear (15) is fixedly mounted on one side of the air suction cover (2).

5. The building ventilation duct air treatment device according to claim 4, characterized in that: A reciprocating screw (18) is rotatably mounted inside the air suction hood (2); one end of the reciprocating screw (18) passes through the outer surface of a third slider (16) and is threadedly connected thereto; the third slider (16) is fixedly mounted to one side of an adjacent second slider (11) via a connecting rod; a servo motor (3) is fixedly mounted to one side of the outer surface of the air suction hood (2); an output end of the servo motor (3) is fixedly mounted to a rotation center of one end of the reciprocating screw (18).

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