An air purification bag duct for ventilation of a refrigeration and air conditioning equipment

Abstract

The present invention discloses an air purification bag duct for ventilation of refrigeration and air-conditioning equipment, belonging to the technical field of purification bag ducts for refrigeration equipment. An air purification bag duct for ventilation of refrigeration and air-conditioning equipment, comprising a channel steel plate. In the air purification bag duct for ventilation of refrigeration and air-conditioning equipment, when high-pressure gas is ejected from the end of the flexible bag, the flexible bag is caused to flutter by the airflow, and the flexible bag piece will swing back and forth in the fixed ring with the second bearing, and the bag duct body will follow the swing of the flexible bag to collide with the inner side of the movable arc ring and the fixed arc ring, thereby shaking off the dust on the surface of the bag duct body. When cleaning the dust on the surface of the bag duct body, there is no need for personnel to use a cleaning device to clean it, and thus the cleaning of the bag duct body is convenient and quick, saving time and effort, and also preventing the dust on the surface of the bag duct body from blocking the vents, thereby improving the refrigeration effect of the bag duct body.

Description

Technical Field

[0001] The present invention relates to the technical field of purification bag air ducts for refrigeration equipment, and more particularly to an air purification bag air duct for ventilation of refrigeration and air-conditioning equipment. Background Art

[0002] Air purification bag ducts are flexible air supply devices made from a special fiber material. Compared to traditional metal ducts, they offer several significant advantages and are widely used in a variety of industrial and commercial settings. As a key component of air distribution systems, their unique design and materials provide numerous advantages. With their unique materials, design concepts, and installation methods, air purification bag ducts play a vital role in modern air distribution systems. Whether in commercial, office, educational, or industrial production environments, they can provide a more comfortable and healthy air environment while reducing energy consumption and maintenance costs.

[0003] The air purifier bag air duct of the present invention is the air purifier bag air duct of the present invention, and the air purifier bag air duct of the present invention is the air purifier bag air duct of the present invention. Summary of the Invention

[0004] The purpose of the present invention is to provide an air purification bag duct for ventilation of refrigeration and air conditioning equipment to solve the problems raised in the above background technology:

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

[0006] The cam is fixedly mounted on an air duct with a first end in contact with the first gear and a second end in contact with the first gear, and the cam is fixedly mounted on an air duct with a first end in contact with the first gear. The cam is fixedly provided with a first spring which is matched with the first buckle, and the second spring has a first end fixedly provided with a second bearing, and the cam is fixedly provided with a second bearing inside the cam, and the cam is fixedly provided with a second bearing inside the cam, and the cam is fixedly provided with a second bearing inside the cam, and the cam is fixedly provided with a second bearing, and the cam is fixedly provided with a second bearing inside the cam, and the cam is fixedly provided with a second bearing

[0007] When the bag is full of dust, it will cause the air to flow out of the bag and into the trunk, and the air will be sucked in through the trunk, and the air will be sucked out of the trunk, and the air will be sucked out of the trunk, and the air will be sucked out of the trunk, and the air will be sucked out of the trunk, and the air will be sucked out of the trunk, and the air will be sucked out of the trunk, and the air will be sucked out of the trunk.

[0008] Preferably, the surfaces of the hanging plate and the fixed box are both rotatably connected to a rotating shaft, the outside of the fixed box is rotatably connected to a second gear, the second gear is rotatably connected to the fixed box through a rotating shaft, the surface of the outer ring of the bearing is fixedly connected to an outer ring tooth meshing with the second gear, and the first gear is rotatably connected to the slot through a rotating shaft.

[0009] By adopting the above technical solution, the outer ring teeth rotate forward and reversely so that the first buckle tightens or loosens the flexible cloth bag.

[0010] Preferably, a spring shaft is provided on the inner wall of the fixed box, an arc-shaped tooth block is fixedly installed on one end of the spring shaft, the arc-shaped tooth block is rotatably connected to the fixed box through the spring shaft, the surface of the outer ring of the bearing is fixedly connected with outer ring teeth matching the arc-shaped tooth block, and a connecting shaft is inserted between each of the rotating shafts.

[0011] By adopting the above technical solution, the outer ring teeth rotate forward and reverse, so that the second buckle tightens or loosens the flexible cloth bag.

[0012] Preferably, a motor is fixedly mounted on the surface of the hanging plate on one side away from the fixed box, and the output end of the motor is fixedly connected to the rotating shaft.

[0013] By adopting the above technical solution, the motor provides power for fixing the bag air duct body.

[0014] Preferably, a fixing rod is fixedly connected to the surface of the movable arc ring on one side close to the fixed box, one end of the fixing rod is fixedly connected to a pressure block, and a pressure groove is provided on the surface of the pressure block.

[0015] Preferably, an arc-shaped slide groove is provided on the surface of the fixed box, and a slider matching it is slidably connected inside the arc-shaped slide groove, and one end of the slider is fixedly connected to a slide rod matching the pressing groove, and a connecting plate is provided between the arc-shaped tooth block and the slider, and the two ends of the connecting plate are rotatably connected to the end surface of the slider and the surface of the arc-shaped tooth block respectively.

[0016] Preferably, a plurality of ventilation holes are provided on the surface of the bag air duct body, a first inlet is fixedly connected to one end surface of the bag air duct body, and a second inlet is provided on the end surface of the bag air duct body.

[0017] Preferably, a refrigeration and air-conditioning device and a high-pressure air pump are respectively provided on the outside of the bag air duct body, the refrigeration and air-conditioning device is fixedly connected to the first inlet, the high-pressure air pump is fixedly connected to the second inlet, a controller is fixedly installed on the surface of the refrigeration and air-conditioning device, the refrigeration and air-conditioning device and the high-pressure air pump are both electrically connected to the controller through wires, the motor is electrically connected to the controller through wires, and the electric telescopic rod is electrically connected to the controller through wires.

[0018] Preferably, the first spring is sleeved on the surface of the guide rod, one end of the first spring is fixedly connected to the second bearing liner ring and the inner wall of the fixed ring, and a support plate is fixedly installed on the inner surface of the fixed arc ring.

[0019] Preferably, a slot is provided inside the rotating shaft, a keyway is provided at the end of the rotating shaft, and splines matching the keyway are provided at both ends of the connecting shaft. A third spring is fixedly connected to the inner wall of the slot, and each of the rotating shafts is matched with the spline and keyway to be plugged into the connecting shaft. A clamping block is fixedly connected to the top surface of the hanging plate, and a moving block is slidably connected to the surface of the mounting frame. The top surface of the moving block is fixedly connected to a guide rod, and the moving block is slidably connected to the mounting frame through the guide rod. A second spring is sleeved on the surface of the guide rod, and both ends of the second spring are fixedly connected to the mounting frame and the moving block respectively. A clamping slot matching the clamping block is provided inside the mounting frame.

[0020] By adopting the above technical solution, the connection and separation of the card block and the card slot, and the connection and separation of the connecting shaft and the rotating shaft are facilitated, which facilitates the disassembly and assembly of the hanging plate, and thus facilitates the disassembly and assembly of the entire equipment. Compared with traditional steel wire installation, the installation time is greatly shortened, saving the project cycle.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1) When the air purification bag duct for ventilation of refrigeration and air conditioning equipment is in use, the motor reverses and the outer ring gear rotates forward at the same time, so that the first buckle rotates forward and rotates the cloth strip to open the flexible bag in the forward direction, and the second buckle reverses and loosens the flexible bag in the reverse direction, thereby opening the channel at one end of the flexible bag, and the electric telescopic rod contracts and separates the clamping teeth from the segment teeth, thereby loosening the second bearing and turning on the high-pressure air pump. The high-pressure air pump works to release intermittent high-pressure gas, which enters the bag duct body and is then ejected from one end of the flexible bag. When the high-pressure gas is ejected at the end of the flexible bag, the flexible bag is affected by the airflow and flutters. The flexible cloth bag piece will swing back and forth with the second bearing in the fixed ring. At this time, the cloth bag air duct body follows the swing of the flexible cloth bag and collides with the inner side of the movable arc ring and the fixed arc ring, thereby shaking off the dust on the surface of the cloth bag air duct body. When cleaning the dust on the surface of the cloth bag air duct body, there is no need for personnel to use a cleaning device to clean it, so that the cleaning of the cloth bag air duct body is convenient and fast, saving time and effort. It also prevents the dust on the surface of the cloth bag air duct body from blocking the vents, making the flow rate of cold air blown out of the vents constant, solving the problem of uneven cold air blown out of the vents of the cloth bag air duct body, making the cooling temperature in the workshop uniform, and thus improving the cooling effect of the cloth bag air duct body.

[0023] 2) When the air purification bag duct used for ventilation of the refrigeration and air-conditioning equipment is in use, the electric telescopic rod is extended with the clamping teeth to engage with the segment pick teeth, thereby locking the second bearing liner ring, the motor rotates forward to rotate the rotating shaft, the movable arc ring matches the fixed arc ring, and the bag duct body is fixed. The second gear rotates forward to make the outer ring teeth rotate backward, so that the first buckle is reversed and rotates with the cloth strip to tighten the flexible bag in the opposite direction. The second buckle rotates forward to tighten the flexible bag in the forward direction, so that the flexible bag is sealed, ensuring the normal use of the bag duct body.

[0024] 3) When the air purification bag duct for ventilation of the refrigeration and air-conditioning equipment is in use, the outer ring teeth rotate in the opposite direction, so that the first buckle rotates in the opposite direction with the cloth strip to tighten the flexible bag in the opposite direction. When the refrigeration and air-conditioning equipment works suddenly, the air pressure generated acts on the surface of the outer ring teeth, thereby protecting the internal devices of the fixed box and extending the service life of the internal devices of the fixed box.

[0025] 4) When the air purification bag duct used for ventilation of the refrigeration and air-conditioning equipment is in use, it is easy to disassemble and assemble the hanging plate and the entire equipment by means of the clamping block and the slot, and the plugging and separation of the coupling and the rotating shaft. Compared with the traditional steel wire installation, the installation time is greatly shortened, saving the engineering period. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0027] Figure 2 This is a schematic diagram of the position structure of the mounting frame and the channel steel plate of the present invention;

[0028] Figure 3 It is a schematic diagram of the position structure of the fixed arc ring and the movable arc ring of the present invention;

[0029] Figure 4 is a schematic cross-sectional view of the mounting bracket of the present invention;

[0030] Figure 5 This is a schematic diagram of the position structure of the fixing box and the fixing ring of the present invention;

[0031] Figure 6 This is a schematic diagram of the position structure of the pressing block and the movable arc ring of the present invention;

[0032] Figure 7 This is a schematic diagram of the installation position structure of the first bearing and the fixed box of the present invention;

[0033] Figure 8 This is a schematic diagram of the position structure of the slider and the arc-shaped chute of the present invention;

[0034] Figure 9 This is a schematic diagram of the position structure of the second bearing and the fixing ring of the present invention;

[0035] Figure 10 This is a schematic diagram of the structure of the second buckle and the bearing outer ring of the present invention;

[0036] Figure 11 This is a schematic diagram of the structure of the arc-shaped gear block and outer ring gear positions of the present invention;

[0037] Figure 12 This is a schematic diagram of the installation of the arc-shaped gear block and the spring shaft of the present invention;

[0038] Figure 13 It is a schematic diagram of the position of the spline and keyway of the present invention.

[0039] Explanation of the numbers in the figure: 1. Channel steel plate; 2. Mounting frame; 3. Hanging plate; 4. Slot; 5. Fixed arc ring; 6. Ring groove; 7. Movable arc ring; 8. First gear; 9. Arc teeth; 10. Cloth bag air duct body; 11. Flexible cloth bag; 12. Fixed box; 13. First bearing; 14. Bearing outer ring; 15. First buckle; 16. Cloth strip; 17. Fixed ring; 18. Second bearing; 19. Bearing outer ring; 20. Second buckle; 21. Segment pick; 22. Electric telescopic rod; 23. Gear; 24. Guide rod; 25. First spring; 26. Fixed rod; 27, pressure block; 28, pressure groove; 29, arc-shaped slide groove; 30, slide rod; 31, slider; 32, spring shaft; 33, arc-shaped gear block; 34, outer ring gear; 35, connecting shaft; 36, rotating shaft; 37, motor; 38, second gear; 39, outer ring gear; 40, vent; 41, first inlet; 42, second inlet; 43, moving block; 44, guide rod; 45, second spring; 46, slot; 47, block; 48, support plate; 49, spline; 50, keyway; 51, slot; 52, third spring; 53, connecting plate. DETAILED DESCRIPTION

[0040] Example 1

[0041] See also Figures 1 to 13, an air purification bag duct for ventilation of refrigeration and air conditioning equipment, comprising a channel steel plate 1, the inner wall of the channel steel plate 1 is equidistantly fixedly connected with a plurality of mounting brackets 2, the bottom surface of any mounting bracket 2 is clamped with a hanging plate 3, the surface of the hanging plate 3 is provided with a slot 4, the inner wall of the bottom end of the slot 4 is fixedly installed with a fixed arc ring 5, the inner side surface of the fixed arc ring 5 is provided with a ring groove 6, the interior of the ring groove 6 is slidably connected with a movable arc ring 7 matching it, the movable arc ring 7 moves and is inserted into the ring groove 6, so that the movable arc ring 7 matches the fixed arc ring 5 to fix the bag duct body 10, the interior of the slot 4 is rotatably connected with a first gear 8, the outer surface of the movable arc ring 7 is fixedly connected with an arc tooth 9 meshing with the first gear 8, and a fixed arc ring 5 and a movable arc ring 7 are arranged between the fixed arc ring 5 and the movable arc ring 7. There is a bag air duct body 10, the bag air duct body 10 is an air purification bag air duct that is not easily deformed in the prior art, one end of the bag air duct body 10 is fixedly connected with a flexible cloth bag 11, the flexible cloth bag 11 is a flexible cloth bag 11 with good sealing performance in the prior art, the end of the channel steel plate 1 is fixedly installed with a fixed box 12, and a rotatable first bearing 13 is fixedly installed on the surface of the fixed box 12. The first bearing 13 is divided into a bearing outer ring 14 and an inner lining ring. The inner lining ring of the first bearing 13 is fixed to the surface of the fixed box 12, and the outer surface of the first bearing 13 is rotatably connected with the bearing outer ring 14. The surface of the bearing outer ring 14 has a circular array with several first buckles 15. The surface of the flexible cloth bag 11 is fixedly connected with a cloth strip 16 that matches the first buckle 15. The cloth strip 16 is two rows, and the cloth strips 16 in the two rows correspond to the positions of the first buckle 15 and the second buckle 20 respectively. The number of cloth strips 16 is the same as that of the first buckle 15. The interior of the fixed box 12 is fixedly connected to a fixed ring 17, and a second bearing 18 is provided inside the fixed ring 17. The surface of the second bearing 18 is rotatably connected to the bearing outer ring 19. The surface of the bearing outer ring 19 has a plurality of second buckles 20 in a circular array. The surface of the flexible cloth bag 11 is fixedly connected to the cloth strip 16 that is clamped with the second buckle 20. The second bearing 18 contains an inner lining ring and a bearing outer ring 19. The surface of the fixed ring 17 is slidably connected to five guide rods 24. One end of the five guide rods 24 is fixedly connected to the surface of the inner lining ring of the second bearing 18. The inner lining ring of the second bearing 18 is connected to the fixed ring 17. A first spring 25 is elastically connected therebetween, and an array of five segment teeth 21 is provided on the surface of the inner lining ring of the second bearing 18. The segment teeth 21 are spaced apart from the guide rod 24. An electric telescopic rod 22 with the same number as the segment teeth 21 is fixedly installed on the inner wall of the fixed ring 17. A latch 23 matching the segment teeth 21 is fixedly installed on the output end of the electric telescopic rod 22. The electric telescopic rod 22 is extended with the latch 23 and engages with the segment teeth 21, thereby locking the inner lining ring of the second bearing 18. The electric telescopic rod 22 is retracted with the latch 23 and separated from the segment teeth 21, thereby loosening the second bearing 18. When the motor 37 is reversed, the outer ring gear 39 rotates forward, thereby causing the first buckle 15 to rotate forward with the cloth strip 16 to rotate and open the flexible cloth bag 11 in the forward direction.The second buckle 20 is reversed to loosen the flexible cloth bag 11 in the opposite direction, thereby opening the channel at one end of the flexible cloth bag 11, and the electric telescopic rod 22 is contracted to separate the clamping tooth 23 from the segment tooth 21, thereby loosening the second bearing 18, turning on the high-pressure air pump, and the high-pressure air pump works to release intermittent high-pressure gas. The high-pressure gas enters the cloth bag air duct body 10 and is then ejected from one end of the flexible cloth bag 11. When the high-pressure gas is ejected at the end of the flexible cloth bag 11, the flexible cloth bag 11 is affected by the airflow and flutters. The flexible cloth bag 11 will swing back and forth with the second bearing 18 in the fixing ring 17. At this time, the cloth bag air duct body The flexible bag 10 follows the swing of the flexible bag 11 and collides with the inner side of the movable arc ring 7 and the fixed arc ring 5, thereby shaking off the dust on the surface of the bag duct body 10. When cleaning the dust on the surface of the bag duct body 10, there is no need for personnel to use a cleaning device to clean it. Therefore, cleaning the bag duct body 10 is convenient and fast, saving time and effort. It also prevents the dust on the surface of the bag duct body 10 from blocking the vent 40, ensuring a constant flow rate of cold air blown out of the vent 40, solving the problem of uneven cold air blown out of the vent 40 of the bag duct body 10, making the temperature in the workshop evenly cooled, and thus improving the cooling effect of the bag duct body 10.

[0042] The surfaces of the hanging plate 3 and the fixed box 12 are both rotatably connected to the rotating shaft 36, the outside of the fixed box 12 is rotatably connected to the second gear 38, the second gear 38 is rotatably connected to the fixed box 12 through the rotating shaft 36, the surface of the bearing outer ring 14 is fixedly connected to the outer ring teeth 39 that mesh with the second gear 38, the first gear 8 is rotatably connected to the slot 4 through the rotating shaft 36, and the outer ring teeth 39 are rotated forward and reversely so that the first buckle 15 tightens or loosens the flexible cloth bag 11.

[0043] A spring shaft 32 is provided on the inner wall of the fixed box 12, and an arc-shaped tooth block 33 is fixedly installed at one end of the spring shaft 32. The arc-shaped tooth block 33 is rotatably connected to the fixed box 12 through the spring shaft 32. The surface of the bearing outer ring 19 is fixedly connected with an outer ring tooth 34 that matches the arc-shaped tooth block 33. A connecting shaft 35 is inserted between each rotating shaft 36, and the outer ring tooth 34 rotates forward and reversely, so that the second buckle 20 tightens or loosens the flexible cloth bag 11.

[0044] A motor 37 is fixedly mounted on the surface of the hanging plate 3 on the side away from the fixed box 12. The motor 37 is a conventional forward and reverse motor in the prior art. The output end of the motor 37 is fixedly connected to the rotating shaft 36. The motor 37 provides power for fixing the bag air duct body 10.

[0045] A fixing rod 26 is fixedly connected to the surface of the movable arc ring 7 on one side close to the fixed box 12 . A pressing block 27 is fixedly connected to one end of the fixing rod 26 . A pressing groove 28 is formed on the surface of the pressing block 27 .

[0046] An arc-shaped slide groove 29 is provided on the surface of the fixed box 12, and a slider 31 matching it is slidably connected inside the arc-shaped slide groove 29. One end of the slider 31 is fixedly connected to a slide rod 30 matching the pressing groove 28. A connecting plate 53 is provided between the arc-shaped tooth block 33 and the slider 31. The two ends of the connecting plate 53 are rotatably connected to the end surface of the slider 31 and the surface of the arc-shaped tooth block 33 respectively.

[0047] The surface of the bag duct body 10 is provided with a plurality of vents 40 , one end surface of the bag duct body 10 is fixedly connected with a first inlet 41 , and the end surface of the bag duct body 10 is provided with a second inlet 42 , and the vents 40 are used to discharge cold air.

[0048] A refrigeration and air-conditioning device and a high-pressure air pump are respectively provided on the outside of the bag air duct body 10. The refrigeration and air-conditioning device is fixedly connected to the first inlet 41, and the high-pressure air pump is fixedly connected to the second inlet 42. A controller is fixedly installed on the surface of the refrigeration and air-conditioning device. The refrigeration and air-conditioning device is a conventional refrigeration and air-conditioning device in the prior art. The refrigeration and air-conditioning device and the high-pressure air pump are both electrically connected to the controller through wires. The high-pressure air pump is a device in the prior art that can intermittently spray high-pressure gas. The motor 37 is electrically connected to the controller through wires, and the electric telescopic rod 22 is electrically connected to the controller through wires.

[0049] The first spring 25 is sleeved on the surface of the guide rod 24, and one end of the first spring 25 is fixedly connected to the inner lining ring of the second bearing 18 and the inner wall of the fixed ring 17. A support plate 48 is fixedly installed on the inner surface of the fixed arc ring 5. The design of the support plate 48 is convenient for the bag air duct body 10.

[0050] The use steps of the present invention are as follows: when the air purification bag duct for ventilation of refrigeration and air-conditioning equipment is in use, when installing the bag duct body 10, first install the channel steel plate 1 on the roof of the workshop by screws, and then clamp the hanging plate 3 on the mounting frame 2. At this time, the fixed arc ring 5 and the movable arc ring 7 are in the open state, insert the bag duct body 10 between the fixed arc ring 5 and the movable arc ring 7, and place it on the surface of the support plate 48, put the flexible cloth bag 11 into the fixed box 12, and make the flexible cloth bag 11 pass through the first bearing 13 and the second bearing 18, and then fix the second buckle 20 and the first buckle 15 to the two rows of cloth strips 16 respectively, and then fix the first inlet 41 to the refrigeration and air-conditioning equipment, and the second inlet 42 to the high-pressure air pump. At this time, operate the controller, and the electric extension The retracted rod 22 extends out with the latching teeth 23 and engages with the segment teeth 21, thereby locking the inner lining ring of the second bearing 18. The positive rotation of the motor 37 drives the rotating shaft 36 to rotate, thereby causing each first gear 8 to rotate and move the arc teeth 9. The arc teeth 9 move and drive the movable arc ring 7 to move and then insert into the ring groove 6, so that the movable arc ring 7 matches the fixed arc ring 5 to fix the bag air duct body 10. At this time, the positive rotation of the second gear 38 causes the outer ring teeth 39 to rotate in the opposite direction, thereby causing the first buckle 15 to reverse and rotate with the cloth strip 16 to tighten the flexible cloth bag 11 in the opposite direction. The movable arc ring 7 near the side of the fixed box 12 moves and drives the fixed rod 26 and the pressure block 27 to rotate, thereby causing the pressure groove 28 to move and squeeze the slide bar 30, thereby causing the slider 31 to move along the arc The slide groove 29 rotates, and the slider 31 rotates and moves with the connecting plate 53, so that the arc-shaped tooth block 33 moves with the spring shaft 32. After the arc-shaped tooth block 33 rotates for a period of time, as the slider 31 continues to slide, the arc-shaped tooth block 33 reverses and causes the outer ring teeth 34 to rotate forward, so that the second clip 20 rotates forward to tighten the flexible cloth bag 11 in the forward direction. When the cloth bag air duct body 10 is fixed, the second clip 20 rotates forward to tighten the flexible cloth bag 11 in the forward direction, and the first clip 15 reverses and rotates with the cloth strip 16 to tighten the flexible cloth bag 11 in the reverse direction, so that the flexible cloth bag 11 is sealed to prevent gas leakage. The refrigeration and air-conditioning equipment is started, and cold air is filled into the cloth bag air duct body 10. The cold air is discharged through the vent 40, and the workshop can be cleaned. Cooling, when cleaning the dust covering the surface of the bag duct body 10, first stop the refrigeration and air-conditioning equipment, operate the controller, the motor 37 reverses and resets the movable arc ring 7, so that the movable arc ring 7 and the fixed arc ring 5 are opened. At this time, the bag duct body 10 is not fixed. When the motor 37 reverses, the outer ring gear 39 rotates forward, so that the first buckle 15 rotates forward and rotates the cloth strip 16 to open the flexible bag 11 in the forward direction, and the second buckle 20 reverses and loosens the flexible bag 11 in the reverse direction, thereby opening the channel at one end of the flexible bag 11, and the electric telescopic rod 22 contracts and separates the clamping teeth 23 from the segment teeth 21, thereby loosening the second bearing 18, turning on the high-pressure air pump, and the high-pressure air pump works to release intermittent high-pressure gas.The high-pressure gas enters the bag duct body 10 and is ejected from one end of the flexible bag 11. When the high-pressure gas is ejected from the end of the flexible bag 11, the flexible bag 11 is affected by the airflow and flutters. The flexible bag 11 will swing back and forth with the second bearing 18 in the fixed ring 17. Since the movable arc ring 7 and the fixed arc ring 5 are opened, the bag duct body 10 is not fixed at this time. At this time, the bag duct body 10 swings and collides with the inner side of the movable arc ring 7 and the fixed arc ring 5, thereby shaking off the dust on the surface of the bag duct body 10. This solution extends the electric telescopic rod 22 with the latch 23 and engages with the segment cutter 21, thereby locking the inner lining ring of the second bearing 18, and the motor 37 is rotating with the shaft 36 The movable arc ring 7 matches the fixed arc ring 5 to fix the bag duct body 10, and the second gear 38 rotates forward to make the outer ring gear 39 rotate in the opposite direction, so that the first buckle 15 rotates forward with the cloth strip 16 to tighten the flexible cloth bag 11 in the opposite direction, and the second buckle 20 rotates forward to tighten the flexible cloth bag 11 in the forward direction, so that the flexible cloth bag 11 is sealed, ensuring the normal use of the bag duct body 10; while the motor 37 is reversed, the outer ring gear 39 rotates forward, so that the first buckle 15 rotates forward with the cloth strip 16 to open the flexible cloth bag 11 in the forward direction, and the second buckle 20 reverses to loosen the flexible cloth bag 11 in the reverse direction, thereby opening the channel at one end of the flexible cloth bag 11, and the electric telescopic rod 2 2 contracts and separates the latch teeth 23 from the segment teeth 21, thereby loosening the second bearing 18 and turning on the high-pressure air pump. The high-pressure air pump works to release intermittent high-pressure gas, which enters the bag air duct body 10 and is then ejected from one end of the flexible bag 11. When the high-pressure gas is ejected at the end of the flexible bag 11, the flexible bag 11 is fluttered by the air flow, and the flexible bag 11 will swing back and forth with the second bearing 18 in the fixed ring 17. At this time, the bag air duct body 10 follows the swing of the flexible bag 11 and collides with the inner side of the movable arc ring 7 and the fixed arc ring 5, thereby shaking off the dust on the surface of the bag air duct body 10. When cleaning the dust on the surface of the bag air duct body 10, there is no need for personnel to use a cleaning device. The cleaning of the bag duct body 10 is convenient and quick, saving time and effort. It also prevents dust on the surface of the bag duct body 10 from blocking the vents 40, making the flow rate of cold air blown out of the vents 40 constant, solving the problem of uneven cold air blown out of the vents 40 of the bag duct body 10, making the temperature in the workshop evenly cooled, thereby improving the cooling effect of the bag duct body 10; by the reverse rotation of the outer ring teeth 39, the first buckle 15 is reversed and rotated with the cloth strip 16 to tighten the flexible bag 11 in the opposite direction. When the refrigeration and air conditioning equipment suddenly works, the air pressure generated acts on the surface of the outer ring teeth 39, thereby protecting the internal devices of the fixed box 12, thereby extending the service life of the internal devices of the fixed box 12.

[0051] Example 2

[0052] See also Figures 1 to 13 , combined with the embodiment of the basis is different in that a slot 51 is opened inside the rotating shaft 36, a keyway 50 is provided at the end of the rotating shaft 36, and a spline 49 matching the keyway 50 is provided at both ends of the connecting shaft 35. The inner wall of the slot 51 is fixedly connected with a third spring 52. Each rotating shaft 36 is matched with the spline 49 and the keyway 50 and then plugged into the connecting shaft 35. The top surface of the hanging plate 3 is fixedly connected with a card block 47, and the surface of the mounting frame 2 is slidably connected with a moving block 43. The top surface of the moving block 43 is fixedly connected with The guide rod 44 and the moving block 43 are slidably connected to the mounting frame 2 through the guide rod 44. The surface of the guide rod 44 is sleeved with a second spring 45. The two ends of the second spring 45 are fixedly connected to the mounting frame 2 and the moving block 43 respectively. The interior of the mounting frame 2 is provided with a card slot 46 that matches the card block 47. By connecting and separating the card block 47 and the card slot 46, and plugging and separating the connecting shaft 35 and the rotating shaft 36, the disassembly and assembly of the hanging plate 3 are facilitated, and the disassembly and assembly of the entire equipment is facilitated. Compared with traditional steel wire installation, the installation time is greatly shortened, saving the engineering cycle.

[0053] The steps of using the present invention are as follows: when the air purification bag duct for ventilation of the refrigeration and air-conditioning equipment is in use, when the hanging plate 3 is installed, the movable block 43 is squeezed upward by the movement of the clamping block 47 to compress the second spring 45. When the clamping slot 46 leaks out, the clamping block 47 moves into the clamping slot 46, so that the clamping block 47 and the clamping slot 46 are completely clamped, and then the hanging plate 3 is installed on the mounting frame 2. The spline 49 at the end of the connecting shaft 35 matches the keyway 50, thereby completing the connection between the connecting shaft 35 and the rotating shaft 36, so that the connecting shaft 35 and the rotating shaft 36 form a complete transmission shaft. This scheme facilitates the disassembly and assembly of the hanging plate 3 by clamping and separating the clamping block 47 and the clamping slot 46, and the connection and separation of the connecting shaft 35 and the rotating shaft 36, thereby facilitating the disassembly and assembly of the entire equipment. Compared with traditional steel wire installation, the installation time is greatly shortened, saving the engineering cycle.

[0054] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. An air purification bag duct for ventilation of refrigeration and air conditioning equipment, comprising a channel steel plate (1), characterized in that: The inner wall of the channel steel plate (1) is fixedly connected with a plurality of mounting brackets (2) at equal intervals, and a hanging plate (3) is clamped on the bottom surface of any one of the mounting brackets (2), and a groove (4) is provided on the surface of the hanging plate (3). A fixed arc ring (5) is fixedly installed on the inner wall of the bottom end of the groove (4), and a ring groove (6) is provided on the inner side surface of the fixed arc ring (5). A movable arc ring (7) matching the ring groove (6) is slidably connected inside the ring groove (6), and a first gear (8) is rotatably connected inside the groove (4). The outer surface of the movable arc ring (7) is fixedly connected with an arc tooth (9) meshing with the first gear (8). A bag air duct body (10) is provided between the fixed arc ring (5) and the movable arc ring (7), one end of the bag air duct body (10) is fixedly connected to a flexible bag (11), the end of the channel steel plate (1) is fixedly mounted with a fixed box (12), a rotatable first bearing (13) is fixedly mounted on the surface of the fixed box (12), the outer surface of the first bearing (13) is rotatably connected to a bearing outer ring (14), a surface of the bearing outer ring (14) has a plurality of first buckles (15) in a circular array, and a cloth strip (16) matching the first buckle (15) is fixedly connected to the surface of the flexible bag (11). The number of the cloth strips (16) and the first buckles (15) is the same, the interior of the fixed box (12) is fixedly connected to a fixed ring (17), the interior of the fixed ring (17) is provided with a second bearing (18), the surface of the second bearing (18) is rotatably connected to the bearing outer ring (19), the surface of the bearing outer ring (19) has a plurality of second buckles (20) in a circular array, the surface of the flexible cloth bag (11) is fixedly connected to a cloth strip (16) that is clamped to the second buckle (20), the second bearing (18) contains an inner lining ring and a bearing outer ring (19), the surface of the fixed ring (17) is slidably connected to five Guide rods (24), one end of each of the five guide rods (24) is fixedly connected to the surface of the inner lining ring of the second bearing (18), a first spring (25) is elastically connected between the inner lining ring of the second bearing (18) and the fixed ring (17), and an array of five segment picks (21) are provided on the surface of the inner lining ring of the second bearing (18), the segment picks (21) and the guide rods (24) are spaced apart, and the inner wall of the fixed ring (17) is fixedly mounted with electric telescopic rods (22) having the same number as the segment picks (21), and the output end of the electric telescopic rod (22) is fixedly mounted with a latching tooth (23) matching the segment picks (21).

2. The air purification bag duct for ventilation of refrigeration and air conditioning equipment according to claim 1, characterized in that: The surfaces of the hanging plate (3) and the fixed box (12) are both rotatably connected to a rotating shaft (36); the outside of the fixed box (12) is rotatably connected to a second gear (38); the second gear (38) is rotatably connected to the fixed box (12) via the rotating shaft (36); the surface of the bearing outer ring (14) is fixedly connected to an outer ring tooth (39) meshing with the second gear (38); and the first gear (8) is rotatably connected to the slot (4) via the rotating shaft (36).

3. The air purification bag duct for ventilation of refrigeration and air conditioning equipment according to claim 2, characterized in that: The inner wall of the fixed box (12) is provided with a spring shaft (32), one end of the spring shaft (32) is fixedly mounted with an arc-shaped tooth block (33), the arc-shaped tooth block (33) is rotatably connected to the fixed box (12) via the spring shaft (32), the surface of the bearing outer ring (19) is fixedly connected with outer ring teeth (34) matching the arc-shaped tooth block (33), and a connecting shaft (35) is inserted between each of the rotating shafts (36).

4. The air purification bag duct for ventilation of refrigeration and air conditioning equipment according to claim 2, characterized in that: A motor (37) is fixedly mounted on the surface of the hanging plate (3) on one side away from the fixed box (12), and an output end of the motor (37) is fixedly connected to the rotating shaft (36).

5. The air purification bag duct for ventilation of refrigeration and air conditioning equipment according to claim 1, characterized in that: A fixed rod (26) is fixedly connected to the surface of the movable arc ring (7) on one side close to the fixed box (12), and a pressure block (27) is fixedly connected to one end of the fixed rod (26). A pressure groove (28) is provided on the surface of the pressure block (27).

6. The air purification bag duct for ventilation of refrigeration and air conditioning equipment according to claim 3, characterized in that: The surface of the fixed box (12) is provided with an arc-shaped slide groove (29), the interior of the arc-shaped slide groove (29) is slidably connected to a slider (31) matching the slider, one end of the slider (31) is fixedly connected to a slide rod (30) matching the pressing groove (28), a connecting plate (53) is provided between the arc-shaped tooth block (33) and the slider (31), and the two ends of the connecting plate (53) are rotatably connected to the end surface of the slider (31) and the surface of the arc-shaped tooth block (33), respectively.

7. The air purification bag duct for ventilation of refrigeration and air conditioning equipment according to claim 1, characterized in that: The surface of the bag air duct body (10) is provided with a plurality of ventilation openings (40), one end surface of the bag air duct body (10) is fixedly connected to a first inlet (41), and the end surface of the bag air duct body (10) is provided with a second inlet (42).

8. The air purification bag duct for ventilation of refrigeration and air conditioning equipment according to claim 4, characterized in that: The outside of the bag air duct body (10) is respectively provided with a refrigeration and air conditioning device and a high-pressure air pump, the refrigeration and air conditioning device is fixedly connected to the first inlet (41), the high-pressure air pump is fixedly connected to the second inlet (42), a controller is fixedly installed on the surface of the refrigeration and air conditioning device, the refrigeration and air conditioning device and the high-pressure air pump are both electrically connected to the controller through wires, the motor (37) is electrically connected to the controller through wires, and the electric telescopic rod (22) is electrically connected to the controller through wires.

9. The air purification bag duct for ventilation of refrigeration and air conditioning equipment according to claim 1, characterized in that: The first spring (25) is sleeved on the surface of the guide rod (24), and the two ends of the first spring (25) are fixedly connected to the surface of the inner lining ring of the second bearing (18) and the inner wall of the fixed ring (17), respectively. A support plate (48) is fixedly installed on the inner surface of the fixed arc ring (5).

10. The air purification bag duct for ventilation of refrigeration and air conditioning equipment according to claim 3, characterized in that: A slot (51) is provided inside the rotating shaft (36), a keyway (50) is provided at the end of the rotating shaft (36), and both ends of the connecting shaft (35) are provided with a spline (49) matching the keyway (50). A third spring (52) is fixedly connected to the inner wall of the slot (51), and each of the rotating shafts (36) is matched with the spline (49) and the keyway (50) and then plugged into the connecting shaft (35). A clamping block (47) is fixedly connected to the top surface of the hanging plate (3). The surface of the mounting frame (2) is slidably connected to a moving block (43), the top surface of the moving block (43) is fixedly connected to a guide rod (44), the moving block (43) is slidably connected to the mounting frame (2) via the guide rod (44), the surface of the guide rod (44) is sleeved with a second spring (45), the two ends of the second spring (45) are respectively fixedly connected to the mounting frame (2) and the moving block (43), and a card slot (46) matching the card block (47) is provided inside the mounting frame (2).

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