Building ventilation device with air purification function

Abstract

The utility model discloses a building ventilation device with an air purification function, and relates to the technical field of building ventilation, the building ventilation device comprises a ventilation pipeline, the inner wall of the ventilation pipeline is provided with two first slots, the inner wall of the ventilation pipeline is movably provided with a cross-shaped fixing frame, one side of the cross-shaped fixing frame is rotatably provided with a fan, and the other side of the cross-shaped fixing frame is rotatably provided with a second slot. A motor is fixedly installed on the other side of the cross-shaped fixing frame, the output end of the motor is fixedly connected with one end of a fan, and second sliding grooves are formed in the two ends of the cross-shaped fixing frame correspondingly; the building ventilation device with the air purification function has the advantages that the fan is additionally arranged in the ventilation pipeline and is fixed through the cross-shaped fixing frame, the motor is started to enable the fan to rotate at a high speed, flowing of indoor air can be accelerated, and the indoor air purification effect is improved. And indoor turbid air can be quickly exhausted through the ventilation pipeline, so that the ventilation efficiency is remarkably improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building ventilation, in particular to a building ventilation device with an air purification function. Background Art

[0002] Ventilation, also known as air exchange, is the use of mechanical or natural methods to deliver sufficient fresh air into the indoor space, while expelling the dirty air that does not meet the hygienic requirements of the room, so that the indoor air meets the hygienic requirements and the needs of the production process. The various facilities that complete the ventilation work in the building are collectively called ventilation devices.

[0003] The Chinese patent application number 202022058321.0 proposes a building ventilation device, including a first ventilation joint, a mounting plate fixedly connected to the bottom of the outer surface of the first ventilation joint, a hexagonal slot is provided on the top of the mounting plate, a mounting hole connected to the hexagonal slot is provided on the bottom of the mounting plate, and positioning columns are fixedly connected to the four corners of the bottom of the mounting plate. The advantages of the utility model are: through the matching arrangement of the mounting plate, the positioning column, the ventilation duct, the positioning hole, the second ventilation joint, the mounting rod, the hexagonal block, the hexagonal column, the threaded rod and the fixing bolt, the existing ventilation device is inconvenient to install; through the matching arrangement of the mounting plate, the positioning column, the ventilation duct, the positioning hole, the second ventilation joint, the mounting rod, the hexagonal block, the hexagonal column, the threaded rod and the fixing bolt, the building ventilation device can be quickly disassembled, which solves the problem that the existing building ventilation device is inconvenient to disassemble and clean.

[0004] However, after the improvement, the above patent still lacks a fan inside the device, so that the air flow cannot be accelerated during ventilation to quickly discharge the turbid air in the room. In addition, there will be a lot of dust in the ventilation process, and the dust cannot be blocked, which will affect the fan. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a building ventilation device with an air purification function, which solves the problems raised in the above background technology.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a building ventilation device with air purification function, comprising a ventilation duct, the inner wall of the ventilation duct is provided with two first slots, the inner wall of the ventilation duct is movably installed with a cross fixing frame, a fan is rotatably installed on one side of the cross fixing frame, a motor is fixedly installed on the other side of the cross fixing frame, the output end of the motor is fixedly connected to one end of the fan, second sliding grooves are provided inside two ends of the cross fixing frame, first springs are fixedly installed inside the two second sliding grooves, second sliding blocks are fixedly installed at one end of the two first springs, the second sliding blocks are slidably connected to the second sliding groove, one end of the two second sliding grooves is respectively inserted into the interiors of the two first slots, fourth sliding blocks are fixedly installed at the other two ends of the cross fixing frame, two fourth sliding grooves are provided on the inner wall of the ventilation duct, and the fourth sliding block is slidably connected to the fourth sliding groove.

[0007] Preferably, a card slot is provided at one end of the ventilation duct, and fixed slots are provided at one end of the ventilation duct and on both sides of the card slot, a circular filter screen is carded inside the card slot, and card blocks are fixedly installed on both sides of the circular filter screen, and two auxiliary slots are provided inside the two card blocks, and the card blocks are carded with the fixed slots. By providing two auxiliary slots inside the card block 13, it is convenient to remove it when it is disassembled and cleaned later.

[0008] Preferably, four third sliding grooves are opened inside one end of the ventilation duct, and screw rods are rotatably installed inside the four third sliding grooves, and third sliding blocks are slidably installed inside the four third sliding grooves, and the third sliding blocks are threadedly connected to the screw rods, and four second slots are opened inside the other end of the ventilation duct, and one ends of the four third sliding blocks are respectively inserted into the interiors of the four second slots and slidably connected to the interiors of the four second slots, and a connecting rod is fixedly installed between every two of the third sliding grooves, and the two connecting rods are rotatably connected to the ventilation ducts. By rotating the screw rod, the third sliding block can be moved inside the second slot, so that the two ventilation ducts can be fixedly connected.

[0009] Preferably, two square grooves are provided inside the ventilation duct, and the first bevel gear and the second bevel gear are rotatably installed inside the two square grooves, the first bevel gear and the second bevel gear are meshingly connected, the connecting rod passes through the inside of the square groove and is fixedly connected to the inside of the first bevel gear, one end of each of the two second bevel gears is fixedly installed with an auxiliary rod, and the outer walls of the two auxiliary rods are fixedly installed with an auxiliary ring, the auxiliary ring is rotatably connected to the ventilation duct, and one end of the auxiliary rod is provided with a cross slot, and a cross screwdriver is inserted into the cross slot and rotated to rotate the first bevel gear and the second bevel gear, thereby driving the screw rod to rotate.

[0010] Preferably, four first sliding grooves are opened on the top of the ventilation duct, and first sliding plates are slidably installed inside the four first sliding grooves. A top plate is fixedly installed on the top of every two first sliding plates, and screws are passed through the top plate to fix the ventilation duct on the wall.

[0011] Preferably, two second springs are fixedly installed at both ends of the inner walls of the two fixing grooves, and a trapezoidal stopper is fixedly installed at one end of each of the two second springs. When the card block is inserted into the inside of the fixing groove, the second spring is used to clamp the card block with the two trapezoidal stoppers.

[0012] The utility model provides a building ventilation device with air purification function, which has the following beneficial effects:

[0013] 1. The building ventilation device with air purification function increases the flow of indoor air by adding a fan inside the ventilation duct and fixing it through a cross fixing frame, and starts the motor to rotate the fan at high speed, so that the turbid air in the room can be quickly discharged through the ventilation duct, thereby significantly increasing the ventilation efficiency.

[0014] 2. The building ventilation device with air purification function can effectively intercept dust and impurities in the air during air ventilation by fixing a circular filter at one end of the ventilation duct, thereby reducing the damage of dust to the fan. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 It is a side sectional view of the utility model;

[0017] Figure 3 For this utility model Figure 2 A in the enlarged view;

[0018] Figure 4 This is a top view of the ventilation duct of the utility model;

[0019] Figure 5 For this utility model Figure 4 The enlarged view of point B in the figure;

[0020] Figure 6 This is a front cross-sectional view of the ventilation duct of the utility model;

[0021] Figure 7 For this utility model Figure 6 The enlarged view of point C in the figure;

[0022] Figure 8 For this utility model Figure 6 The enlarged view of point D in the figure;

[0023] Fig. 9 This is a top sectional view of the cross fixing frame of the utility model;

[0024] Fig.10 It is a side view of the utility model;

[0025] Fig.11 This is a schematic diagram of the circular filter structure of the utility model.

[0026] In the figure: 1, ventilation duct; 2, top plate; 3, first sliding groove; 4, first sliding plate; 5, cross fixing frame; 6, fan; 7, motor; 8, first slot; 9, second sliding slot; 10, first spring; 11, second sliding block; 12, circular filter; 13, block; 14, auxiliary slot; 15, fixing slot; 16, second spring; 17, trapezoidal block; 18, slot; 19, third sliding slot; 20, lead screw; 21, third sliding block; 22, second slot; 23, connecting rod; 24, square slot; 25, first bevel gear; 26, second bevel gear; 27, auxiliary rod; 28, auxiliary ring; 29, cross slot; 30, fourth sliding slot; 31, fourth sliding block. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0028] Embodiment 1

[0029] See also Figures 1 to 11 The utility model provides a technical solution: a building ventilation device with air purification function, comprising a ventilation duct 1, the inner wall of the ventilation duct 1 is provided with two first slots 8, a cross fixing frame 5 is movably installed on the inner wall of the ventilation duct 1, a fan 6 is rotatably installed on one side of the cross fixing frame 5, a motor 7 is fixedly installed on the other side of the cross fixing frame 5, the output end of the motor 7 is fixedly connected with one end of the fan 6, a second sliding groove 9 is provided inside both ends of the cross fixing frame 5, a first spring 10 is fixedly installed inside the two second sliding grooves 9, a second sliding block 11 is fixedly installed at one end of the two first springs 10, the second sliding block 11 is slidably connected with the second sliding groove 9, one end of the two second sliding grooves 9 is respectively inserted into the interior of the two first slots 8, a fourth sliding block 31 is fixedly installed at the other two ends of the cross fixing frame 5, two fourth sliding grooves 30 are provided on the inner wall of the ventilation duct 1, and the fourth sliding block 31 is slidably connected with the fourth sliding groove 30.

[0030] A card slot 18 is provided at one end of the ventilation duct 1, and fixed slots 15 are provided at one end of the ventilation duct 1 and on both sides of the card slot 18. A circular filter screen 12 is card-connected inside the card slot 18, and card blocks 13 are fixedly installed on both sides of the circular filter screen 12. Two auxiliary slots 14 are provided inside the two card blocks 13, and the card blocks 13 are card-connected with the fixed slots 15. Two second springs 16 are fixedly installed at both ends of the inner walls of the two fixed slots 15, and a trapezoidal stopper 17 is fixedly installed at one end of each of the two second springs 16. By providing two auxiliary slots 14 inside the card block 13, it is convenient to remove it when it is disassembled and cleaned later. When the card block 13 is inserted into the fixed slot 15, the second spring 16 is used to clamp the card block 13 by the two trapezoidal stops 17.

[0031] Four third sliding grooves 19 are provided inside one end of the ventilation duct 1, and screw rods 20 are rotatably installed inside the four third sliding grooves 19. Third sliding blocks 21 are slidably installed inside the four third sliding grooves 19, and the third sliding blocks 21 are threadedly connected to the screw rods 20. Four second slots 22 are provided inside the other end of the ventilation duct 1, and one end of the four third sliding blocks 21 is respectively inserted into the inside of the four second slots 22 and slidably connected with the inside thereof. A connecting rod 23 is fixedly installed between every two third sliding grooves 19, and the two connecting rods 23 are rotatably connected to the ventilation duct 1. Two square grooves 24 are provided inside the ventilation duct 1, and first bevel gears 25 are rotatably installed inside the two square grooves 24. The first bevel gear 25 and the second bevel gear 26 are meshed and connected, the connecting rod 23 passes through the interior of the square groove 24 and is fixedly connected to the interior of the first bevel gear 25, one end of the two second bevel gears 26 are fixedly installed with an auxiliary rod 27, the outer walls of the two auxiliary rods 27 are fixedly installed with auxiliary rings 28, the auxiliary ring 28 is rotatably connected to the ventilation duct 1, and one end of the auxiliary rod 27 is provided with a cross slot 29. Use a cross screwdriver to insert into the cross slot 29 and rotate it, so that the first bevel gear 25 and the second bevel gear 26 can be rotated, thereby driving the screw rod 20 to rotate, and the third sliding block 21 can be moved inside the second slot 22, so that the two ventilation ducts 1 can be fixedly connected.

[0032] Four first sliding grooves 3 are provided at the top of the ventilation duct 1, and first sliding plates 4 are slidably installed inside the four first sliding grooves 3. A top plate 2 is fixedly installed on the top of every two first sliding plates 4. Screws are passed through the top plate 2 to fix the ventilation duct 1 on the wall.

[0033] To sum up, when the building ventilation device with air purification function is used, the cross fixing frame 5 is inserted into the interior of the ventilation duct 1 through the fourth sliding slot 30, and the second sliding blocks 11 at both ends of the cross fixing frame 5 are inserted into the interior of the first slot 8 to fix it. After the circular filter screen 12 is inserted into the interior of the card slot 18, the card block 13 is inserted into the interior of the fixing slot 15, and the second spring 16 is used to clamp the card block 13 with the two trapezoidal blocks 17, and then the third sliding block 21 at one end of the ventilation duct 1 is inserted into the interior of the second slot 22 at one end of the other ventilation duct 1, a screwdriver is used to insert into the interior of the two cross slots 29 and rotate, so that the first bevel gear 25 and the second bevel gear 26 rotate, drive the connecting rod 23 to rotate, so that the screw rod 20 rotates, and drives the third sliding block 21 to move inside the second slot 22, so that the two ventilation ducts 1 are limited, and the ventilation ducts 1 can be spliced ​​by themselves.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A building ventilation device with air purification function, comprising a ventilation duct (1), characterized in that: The inner wall of the ventilation duct (1) is provided with two first slots (8); a cross fixing frame (5) is movably installed on the inner wall of the ventilation duct (1); a fan (6) is rotatably installed on one side of the cross fixing frame (5); a motor (7) is fixedly installed on the other side of the cross fixing frame (5); an output end of the motor (7) is fixedly connected to one end of the fan (6); a second sliding groove (9) is provided inside both ends of the cross fixing frame (5); a first spring (10) is fixedly installed inside the two second sliding grooves (9); a second sliding block (11) is fixedly installed at one end of the two first springs (10); the second sliding block (11) is slidably connected to the second sliding groove (9); one end of the two second sliding grooves (9) is respectively inserted into the two first slots (8); a fourth sliding block (31) is fixedly installed at the other two ends of the cross fixing frame (5); two fourth sliding grooves (30) are provided on the inner wall of the ventilation duct (1); the fourth sliding block (31) is slidably connected to the fourth sliding groove (30).

2. A building ventilation device with air purification function according to claim 1, characterized in that: A slot (18) is provided at one end of the ventilation duct (1), and fixing slots (15) are provided at one end of the ventilation duct (1) and on both sides of the slot (18), a circular filter screen (12) is clamped inside the slot (18), and clamping blocks (13) are fixedly installed on both sides of the circular filter screen (12), and two auxiliary slots (14) are provided inside the two clamping blocks (13), and the clamping blocks (13) are clamped with the fixing slots (15).

3. A building ventilation device with air purification function according to claim 1, characterized in that: Four third sliding grooves (19) are provided inside one end of the ventilation duct (1), and screw rods (20) are rotatably installed inside the four third sliding grooves (19). Third sliding blocks (21) are slidably installed inside the four third sliding grooves (19), and the third sliding blocks (21) are threadedly connected to the screw rods (20). Four second slots (22) are provided inside the other end of the ventilation duct (1), and one end of the four third sliding blocks (21) is respectively inserted into the inside of the four second slots (22) and slidably connected thereto. A connecting rod (23) is fixedly installed between every two of the third sliding grooves (19), and the two connecting rods (23) are rotatably connected to the ventilation duct (1).

4. A building ventilation device with air purification function according to claim 3, characterized in that: Two square grooves (24) are provided inside the ventilation duct (1), and a first bevel gear (25) and a second bevel gear (26) are rotatably mounted inside the two square grooves (24). The first bevel gear (25) and the second bevel gear (26) are meshingly connected. The connecting rod (23) passes through the inside of the square groove (24) and is fixedly connected to the inside of the first bevel gear (25). An auxiliary rod (27) is fixedly mounted on one end of the two second bevel gears (26), and an auxiliary ring (28) is fixedly mounted on the outer wall of the two auxiliary rods (27). The auxiliary ring (28) is rotatably connected to the ventilation duct (1), and a cross groove (29) is provided on one end of the auxiliary rod (27).

5. The building ventilation device with air purification function according to claim 1, characterized in that: Four first sliding grooves (3) are provided on the top of the ventilation duct (1), first sliding plates (4) are slidably mounted inside the four first sliding grooves (3), and top plates (2) are fixedly mounted on the tops of every two first sliding plates (4).

6. A building ventilation device with air purification function according to claim 2, characterized in that: Two second springs (16) are fixedly mounted on both ends of the inner walls of the two fixing grooves (15), and a trapezoidal stopper (17) is fixedly mounted on one end of each of the two second springs (16).

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